1 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3 config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4 (X87MODEF): New mode macro.
5 (ssemodefsuffix): New mode attribute.
6 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
7 (sqrt_extend<mode>xf2_i387): New insn pattern.
8 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
9 insn and truncate result back to original mode using
10 UNSPEC_TRUNC_NOOP truncation.
11 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
12 ssemodefsuffix mode attribute.
13 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
14 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
15 (*sqrtextenddfxf2_i387): Remove insn patterns.
17 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
20 reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
22 2006-11-24 Jakub Jelinek <jakub@redhat.com>
25 * c-tree.h (c_maybe_initialize_eh): New prototype.
26 * c-decl.c (finish_decl): Move EH initialization...
27 (c_maybe_initialize_eh): ... here. New function.
28 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
29 if not #pragma omp atomic.
32 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
33 or UNION_TYPE inner types.
35 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
38 * ipa-pure-const.c (check_tree): If the original tree
39 is volatile return early and say the function is not pure
40 nor const. Remove the volatile check for writes.
41 (analyze_function): Print out the result of the local
44 2006-11-24 Joseph Myers <joseph@codesourcery.com>
46 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
48 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
49 * config/rs6000/rs6000.c (rs6000_override_options): Use
50 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
53 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
55 * config/s390.c (s390_emit_compare_and_swap): New function.
56 (s390_expand_cs_hqi, s390_expand_atomic): Call
57 s390_emit_compare_and_swap.
59 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
61 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
63 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
67 * c-common.c (conversion_warning): New.
68 (convert_and_check): Call conversion_warning unless there is an
70 * doc/invoke.texi (-Wconversion): Update description.
72 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
74 * tree-ssa-alias.c (tree_pointer_compare): New function.
75 (compact_name_tags): New function.
76 (group_aliases): Call compact_name_tags.
78 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
80 * real.h (real_isinteger): Declare.
81 * real.c (real_isinteger): Define.
82 * builtins.c (integer_valued_real_p): Use it.
84 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
87 * c.opt (Wtraditional-conversion): New.
88 (Wconversion): Update description.
89 * c-typeck.c (convert_arguments): Warnings for prototypes causing
90 type conversions different from what would happen in the absence
91 of prototype are now handled by Wtraditional-conversion.
92 * doc/invoke.texi (Wtraditional-conversion): New.
93 (Wconversion): Update description.
94 * doc/trouble.texi (Wconversion): Replace Wconversion by
95 Wtraditional-conversion.
97 2006-11-23 Andrew Pinski <pinskia@gmail.com>
99 * predict.c (tree_estimate_probability): Check to make
100 sure current_loops is non null before calling flow_loops_dump.
102 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
104 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
106 2006-11-23 David Ung <davidu@mips.com>
108 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
110 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
111 (ASM_SPEC): Pass along -mfp32 and -mfp64.
112 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
113 high part of FP register when in 64-bit FP register mode. Similarly
114 use gen_mfhc1 to load high part of FP register.
115 (override_options): Allow -mgp32 and -mfp64 combination if
116 ISA_HAS_MXHC1 (currently for O32 only).
117 (mips_cannot_change_mode_class): If floating-point registers are
118 bigger than word size. disallow conversion of float register from a
119 large integer mode to a float mode smaller than the float register
121 (mips_class_max_nregs): Handle float registers case seperately.
122 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
124 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
125 (movdf_hardfloat_32bit): Similarly.
126 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
127 support a full 64-bit fpu.
128 (mthc1): New pattern to generate MTHC1 instruction.
129 (mfhc1): New pattern to generate MFHC1 instruction.
130 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
131 option for the MIPS32R2 and mention its use under O32 ABI.
133 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
135 * var-tracking.c (emit_note_insn_var_location): Take care not to
136 cause verify_flow_info failures.
138 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
140 * tree-ssa-structalias.c: Remove edge weights in favor of just
141 processing them as complex constraints.
142 (struct constraint_graph): Remove weighted succs and preds. Rename
143 nonweighted succs and preds.
144 (constraint_edge): Removed.
145 (constraint_edge_t): Ditto.
146 (constraint_edge_pool): Ditto.
147 (new_constraint_edge): Ditto.
148 (constraint_edge_equal): Ditto.
149 (constraint_edge_less): Ditto.
150 (constraint_edge_vec_find): Ditto.
151 (erase_self_graph_edge): Ditto.
152 (add_graph_edge): Removed.
153 (get_graph_weights): Ditto.
154 (allocate_graph_weights): Ditto. (
155 (valid_weighted_graph_edge): Ditto
156 (bitmap_other_than_zero_bit_set): Ditto.
157 (int_add_graph_edge): Renamed to add_graph_edge.
158 (clear_edges_for_node): Remove support for weighted edges.
159 (merge_graph_nodes): Ditto.
160 (valid_graph_edge): Ditto.
161 (build_constraint_graph): Ditto.
163 (collapse_nodes): Ditto.
164 (process_unification_queue): Ditto.
166 (do_ds_constraint): Ditto.
167 (perform_var_subsitution): Ditto.
168 (solve_graph): Ditto.
169 (init_alias_vars): Ditto.
170 (delete_points_to_sets): Ditto.
171 (do_complex_constraint): Support offsetted copies here.
173 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
175 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
177 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
179 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
182 2006-11-23 Ben Elliston <bje@au.ibm.com>
184 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
186 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
188 PR tree-optimization/29921
189 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
190 signed and unsigned zero equal.
192 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
194 * config/rs6000/rs6000.c (get_store_dest): New.
195 (adjacent_mem_locations): Use get_store_dest() to get
196 the rtl of the store destination.
198 2006-11-22 Joseph Myers <joseph@codesourcery.com>
200 * config/rs6000/spe.md (SPE64): New mode macro.
201 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
203 (mov_si<mode>_e500_subreg0_2): New.
204 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
206 (mov_si<mode>_e500_subreg4_2): New.
207 * config/rs6000/predicates.md (input_operand): Do not allow
208 invalid E500 subregs.
209 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
211 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
212 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
213 involving vector modes if TARGET_SPE.
215 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
218 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
219 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
221 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
223 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
224 mem_i_address_operand): New predicates.
225 * config/bfin/bfin.c (bfin_issue_rate): New function.
226 (TARGET_SCHED_ISSUE_RATE): New macro.
227 * config/bfin/bfin.md (addrtype): New attribute.
228 (slot0, slot1, slot2, store, pregs): New cpu_units.
229 (core): Now a define_reservation.
230 (alu): Remove some insn types from this reservation.
231 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
233 (dummy reservation): Don't trigger for mcld insns.
234 (absence_sets): Two new absence sets to enforce slot ordering.
235 (popsi_insn): Set addrtype.
237 2006-11-22 Ira Rosen <irar@il.ibm.com>
239 * doc/c-tree.texi: Document new tree codes.
240 * doc/md.texi: Document new optabs.
241 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
243 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
244 * optabs.h (optab_index): Add new.
245 (vec_extract_even_optab, vec_extract_odd_optab,
246 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
247 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
248 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
250 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
251 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
252 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
253 along with macros for their access.
254 * tree-data-ref.h (first_location_in_loop, data_reference): Update
256 * tree-vect-analyze.c (toplev.h): Include.
257 (vect_determine_vectorization_factor): Fix indentation.
258 (vect_insert_into_interleaving_chain,
259 vect_update_interleaving_chain, vect_equal_offsets): New functions.
260 (vect_analyze_data_ref_dependence): Add argument for interleaving
261 check. Check for interleaving if it's true.
262 (vect_check_dependences): New function.
263 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
264 every ddr. Call vect_analyze_data_ref_dependence with new argument.
265 (vect_update_misalignment_for_peel): Update for interleaving.
266 (vect_verify_datarefs_alignment): Check only first data-ref for
268 (vect_enhance_data_refs_alignment): Update for interleaving. Check
269 only first data-ref for interleaving.
270 (vect_analyze_data_ref_access): Check interleaving, update
272 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
273 with different parameters.
274 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
275 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
276 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
277 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
278 Update step in case of interleaving.
279 (vect_strided_store_supported, vect_permute_store_chain): New
281 (vectorizable_store): Handle strided stores.
282 (vect_strided_load_supported, vect_permute_load_chain,
283 vect_transform_strided_load): New functions.
284 (vectorizable_load): Handle strided loads.
285 (vect_transform_stmt): Add argument. Handle strided stores. Check
286 that vectorized stmt exists for patterns.
287 (vect_gen_niters_for_prolog_loop): Update calculation for
289 (vect_transform_loop): Remove stmt_vec_info for strided stores after
290 whole chain vectorization.
291 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
292 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
293 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
294 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
295 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
297 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
299 * cse.c (enum taken): Remove PATH_AROUND.
300 (addr_affects_sp_p, invalidate_skipped_set,
301 invalidate_skipped_block): Remove.
302 (cse_end_of_basic_block): Remove skip_blocks and related code.
303 (cse_main): Don't test for flag_cse_skip_blocks.
304 Update cse_end_of_basic_block call.
305 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
306 code to lengthen the path if a jump was simplified.
308 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
310 PR rtl-optimization/29924
311 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
312 (unroll_loop_runtime_iterations): Assert that the argument passed to
313 split_edge_and_insert is not NULL.
314 * loop-doloop.c (add_test): Ditto.
316 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
318 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
320 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
321 * cfgloopmanip.c (update_single_exits_after_duplication,
322 update_single_exit_for_duplicated_loop, loop_version): Ditto.
323 * tree-scalar-evolution.c (get_loop_exit_condition,
324 get_exit_conditions_rec, loop_closed_phi_def,
325 number_of_iterations_in_loop, scev_const_prop): Ditto.
326 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
327 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
329 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
331 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
332 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
333 slpeel_make_loop_iterate_ntimes,
334 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
335 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
337 * tree-if-conv.c (if_convertible_loop_p): Ditto.
338 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
339 vect_analyze_loop_form): Ditto.
340 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
341 can_convert_to_perfect_nest, perfect_nestify): Ditto.
342 * tree-vect-transform.c (vect_create_epilog_for_reduction,
343 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
344 vect_transform_loop): Ditto.
345 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
346 (single_exit, set_single_exit): New functions.
347 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
348 (single_exit, set_single_exit): Declare.
349 * doc/loop.texi: Undocument single_exit field. Document single_exit
352 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
354 PR tree-optimization/29902
355 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
356 any involved ssa name appears in abnormal phi node.
358 2006-11-21 Bob Wilson <bob.wilson@acm.org>
360 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
361 (xtensa_const_ok_for_letter_p): Delete.
362 (xtensa_extra_constraint): Delete.
363 (override_options): Delete xtensa_char_to_class initialization.
364 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
365 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
366 (EXTRA_CONSTRAINT): Delete.
367 * config/xtensa/xtensa.md: Include constraints.md.
368 (call_internal): Combine alternatives.
369 (call_value_internal): Likewise, and remove invalid constraints.
370 * config/xtensa/constraints.md: New file.
371 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
372 (xtensa_extra_constraint): Delete.
373 * doc/md.texi (Machine Constraints): Refer to constraints.md for
376 2006-11-21 Janis Johnson <janis187@us.ibm.com>
378 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
379 of conversion that doesn't fit.
381 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
382 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
383 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
385 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
387 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
389 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
391 2006-11-21 Richard Guenther <rguenther@suse.de>
393 * tree-vectorizer.h (NUM_PATTERNS): Increase.
394 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
395 vect_recog_pow_pattern.
396 (vect_recog_pow_pattern): New function.
398 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
400 * config/bfin/bfin.opt (mstack-check-l1): New.
401 * doc/invoke.texi (Blackfin Options): Document it.
402 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
403 stack bounds in L1 memory if the new option is enabled.
404 (override_options): Don't allow combinations of -fstack-limit and
406 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
409 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
411 (bfin_register_move_cost): Bump costs if trying to move plain
412 integer values through accumulators.
414 2006-11-21 Ben Elliston <bje@au.ibm.com>
416 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
418 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
419 Russell Olsen <Russell_Olsen@playstation.sony.com>
420 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
421 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
422 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
423 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
424 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
426 * config.gcc: Add target for SPU.
427 * config/spu/constraints.md: New file.
428 * config/spu/crt0.c: New file.
429 * config/spu/crtend.c: New file.
430 * config/spu/crti.asm: New file.
431 * config/spu/crtn.asm: New file.
432 * config/spu/float_unsdidf.c: New file.
433 * config/spu/float_unssidf.c: New file.
434 * config/spu/predicates.md: New file.
435 * config/spu/spu-builtins.def: New file.
436 * config/spu/spu-builtins.h: New file.
437 * config/spu/spu-builtins.md: New file.
438 * config/spu/spu-c.c: New file.
439 * config/spu/spu-elf.h: New file.
440 * config/spu/spu-modes.def: New file.
441 * config/spu/spu-protos.h: New file.
442 * config/spu/spu.c: New file.
443 * config/spu/spu.h: New file.
444 * config/spu/spu.md: New file.
445 * config/spu/spu.opt: New file.
446 * config/spu/spu_internals.h: New file.
447 * config/spu/spu_intrinsics.h: New file.
448 * config/spu/spu_mfcio.h: New file.
449 * config/spu/t-spu-elf: New file.
450 * config/spu/vec_types.h: New file.
451 * config/spu/vmx2spu.h: New file.
452 * doc/contrib.texi: Document SPU contributor.
453 * doc/extend.texi: Document SPU extensions.
454 * doc/invoke.texi: Document SPU options.
455 * doc/md.texi: Document SPU constraints.
457 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
459 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
461 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
463 (flow_loop_dump): Do not dump loop level.
464 (flow_loops_find): Do not call flow_loops_level_compute.
465 * cfgloop.h (struct loop): Remove level field.
467 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
469 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
470 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
471 Use vector of edges instead of array.
472 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
473 estimate_numbers_of_iterations_loop): Ditto.
474 * predict.c (predict_loops): Ditto.
475 * loop-unroll.c (analyze_insns_in_loop): Ditto.
476 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
478 * basic-block.h: Declare heap allocation for edge vectors.
479 * tree-outof-ssa.c: Ditto.
480 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
481 * cfgloop.h (get_loop_exit_edges): Declaration changed.
483 2006-11-20 Zack Weinberg <zackw@panix.com>
485 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
486 Add another out parameter, "skip".
487 (set_gc_used_type): Adjust calls to process_gc_options. If a field
488 is tagged "skip", do not mark its type used.
490 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
493 * tree-sra.c (single_scalar_field_in_record_p): New function.
494 (decide_block_copy): Use it.
496 2006-11-20 David Daney <ddaney@avtrex.com>
498 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
499 PC to point to following instruction.
501 2006-11-20 Anatoly Sokolov <aesok@post.ru>
505 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
507 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
509 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
511 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
512 Add sh/superh.h to tm_file.
514 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
515 Mark Mitchell <mark@codesourcery.com>
517 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
519 (cpp_relocated): New function.
520 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
522 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
523 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
524 replace configured prefix with gcc_exec_prefix.
526 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
528 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
529 bfin_legitimate_constant_p.
530 * config/bfin/bfin.md (movsi expander): Check return value of
532 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
533 (expand_move): Adjust prototype.
534 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
535 invalid constants specially.
536 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
538 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
540 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
541 sibcall_value_symbol): Allow these patterns if
542 TARGET_LEAF_ID_SHARED_LIBRARY.
543 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
544 (override_options): Turn on id shared library flags if -msep-data,
545 but disallow the combination of these options on the command line.
546 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
547 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
548 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
550 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
551 * doc/invoke.texi (Blackfin Options): Document new switches.
553 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
554 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
556 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
557 inflate costs for addresses with an out-of-bounds address.
559 2006-11-19 Andrew Pinski <pinskia@gmail.com>
562 * fwprop.c (loops): Remove.
563 (forward_propagate_into): Use current_loops instead of
565 (fwprop_init): Call loop_optimizer_init instead of
567 (fwprop_done): Call loop_optimizer_finalize instead of
569 (fwprop): Use current_loops instead of loops.
571 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
574 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
576 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
579 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
580 larger than BITS_PER_WORD.
582 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
586 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
587 to MAX_FIXED_MODE_SIZE.
589 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
592 (fold_builtin_fmin_fmax): New.
593 (fold_builtin_1): Use it.
595 * fold-const.c (fold_strip_sign_ops): Handle copysign.
597 2006-11-18 Richard Guenther <rguenther@suse.de>
599 * config/i386/i386.c (ix86_builtins): New array for ix86
600 builtin function decls.
601 (def_builtin): New function.
602 (def_builtin_const): Likewise.
603 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
605 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
607 * doc/invoke.texi (core2): Add item.
609 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
611 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
612 (TARGET_CPU_DEFAULT_generic): Change value.
613 (TARGET_CPU_DEFAULT_NAMES): Add core2.
614 (processor_type): Add new constant PROCESSOR_CORE2.
616 * config/i386/i386.md (cpu): Add core2.
618 * config/i386/i386.c (core2_cost): New initialized variable.
619 (m_CORE2): New macro.
620 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
621 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
622 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
623 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
624 x86_partial_reg_dependency, x86_memory_mismatch_stall,
625 x86_accumulate_outgoing_args, x86_prologue_using_move,
626 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
627 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
628 x86_use_incdec, x86_four_jump_limit, x86_schedule,
629 x86_pad_returns): Add m_CORE2.
630 (override_options): Add entries for Core2.
631 (ix86_issue_rate): Add case for Core2.
633 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
635 * doc/invoke.texi: Fix mno-isel typo.
637 2006-11-18 Joseph Myers <joseph@codesourcery.com>
639 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
640 easy vector constant loads.
642 2006-11-18 Joseph Myers <joseph@codesourcery.com>
644 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
645 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
646 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
647 * config/rs6000/sync.md (lwsync): Emit plain sync if
650 2006-11-17 DJ Delorie <dj@redhat.com>
652 * reload1.c (reloads_unique_chain): New.
653 (reloads_conflict): Call it.
655 2006-11-17 Bob Wilson <bob.wilson@acm.org>
657 * config/xtensa/predicates.md (addsubx_operand): New.
658 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
659 (xtensa_emit_bit_branch): New.
660 (xtensa_emit_movcc): New.
661 * config/xtensa/xtensa.md (any_minmax): New code macro.
662 (minmax): New code attribute.
663 (any_cond, any_scc, any_scc_sf): New code macros.
664 (*addx2, *addx4, *addx8): Delete.
666 (*subx2, *subx4, *subx8): Delete.
668 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
669 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
670 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
671 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
672 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
673 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
674 (movsfcc_internal0, movsfcc_internal1): Likewise.
675 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
676 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
677 (xtensa_emit_bit_branch): New.
678 (xtensa_emit_movcc): New.
679 (function_arg_boundary): Add missing prototype.
681 2006-11-17 Bob Wilson <bob.wilson@acm.org>
683 * config/xtensa/xtensa.md (tstsi): Delete
685 2006-11-17 Bob Wilson <bob.wilson@acm.org>
687 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
689 2006-11-17 Bob Wilson <bob.wilson@acm.org>
691 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
693 2006-11-17 Bob Wilson <bob.wilson@acm.org>
695 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
697 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
699 * tree-vrp.c (execute_vrp): Do not update current_loops.
700 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
701 * doc/loop.texi: Remove documentation for cancelled functions.
702 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
703 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
705 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
706 (remove_path): Ensure that in delete_basic_blocks, the loops
708 (add_loop): Work on valid loop structures.
709 (loopify): Modify call of add_loop.
710 (mfb_update_loops): Removed.
711 (create_preheader): Do not update loops explicitly.
712 (force_single_succ_latches, loop_version): Do not use
713 loop_split_edge_with.
714 (loop_split_edge_with): Removed.
715 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
716 Do not use bsi_insert_on_edge_immediate_loop.
717 (split_loop_exit_edge, tree_unroll_loop): Do not use
718 loop_split_edge_with.
719 (bsi_insert_on_edge_immediate_loop): Removed.
720 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
721 use loop_split_edge_with.
722 * cfghooks.c: Include cfgloop.h.
723 (verify_flow_info): Verify that loop_father is filled iff current_loops
725 (redirect_edge_and_branch_force, split_block, delete_basic_block,
726 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
728 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
730 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
731 loop_split_edge_with.
732 (sms_schedule): Use current_loops.
733 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
734 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
736 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
737 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
738 * ifcvt.c (if_convert): Ditto.
739 * predict.c (predict_loops): Do not clear current_loops.
740 (tree_estimate_probability): Use current_loops.
741 (propagate_freq): Receive head of the region to propagate instead of
743 (estimate_loops_at_level): Do not use shared to_visit bitmap.
744 (estimate_loops): New function. Handle case current_loops == NULL.
745 (estimate_bb_frequencies): Do not allocate tovisit. Use
747 * tree-ssa-loop.c (current_loops): Removed.
748 (tree_loop_optimizer_init): Do not return loops.
749 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
750 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
751 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
752 Do not update loops explicitly.
753 * function.h (struct function): Add x_current_loops field.
754 (current_loops): New macro.
755 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
756 * loop-unroll.c (split_edge_and_insert): New function.
757 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
758 use loop_split_edge_with.
759 * loop-doloop.c (add_test, doloop_modify): Ditto.
760 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
761 * cfglayout.c (copy_bbs): Do not update loops explicitly.
762 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
763 * tree-vect-transform.c (vect_transform_loop): Do not update loops
765 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
766 (flow_loops_free): Do not free dfs_order and rc_order.
767 (flow_loops_find): Do not set dfs_order and rc_order in loops
768 structure. Do not call loops and flow info verification.
769 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
770 already belongs to some loop.
771 * cfgloop.h (struct loops): Remove struct cfg.
772 (current_loops, loop_split_edge_with): Declaration removed.
773 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
774 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
776 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
777 * basic-block.h (split_edge_and_insert): Declare.
778 * tree-cfg.c (remove_bb): Do not update loops explicitly.
780 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
782 PR tree-optimization/29801
783 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
784 (get_default_value): Use get_symbol_constant_value.
785 (set_lattice_value): ICE when the value of the constant is
787 (visit_assignment): Ignore VDEFs of read-only variables.
789 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
791 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
793 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
794 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
796 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
798 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
799 select subvars of var.
801 2006-11-17 Jakub Jelinek <jakub@redhat.com>
804 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
805 optimize if DEF doesn't have integral type.
807 2006-11-16 Mike Stump <mrs@apple.com>
809 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
810 pre-darwin9 system, unless the user asks for it directly.
811 (PREFERRED_DEBUGGING_TYPE): Likewise.
812 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
813 * config.gcc: Add suppport for darwin9.h.
814 * config/darwin9.h: Add.
815 * doc/install.texi (Specific): Clarify darwin documentation.
817 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
819 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
822 2006-11-16 Mike Stump <mrs@apple.com>
824 * Makefile.in (targhooks.o): Add $(OPTABS_H).
826 2006-11-16 Dirk Mueller <dmueller@suse.de>
828 * tree-vrp.c (get_value_range): Use XCNEW instead
830 (insert_range_assertions): Use XCNEWVEC instead
831 of XNEWVEC and memset.
832 (vrp_initialize): Same.
833 (vrp_finalize): Same.
834 * tree-ssa-ccp.c (ccp_initialize): Same.
835 * predict.c (tree_bb_level_predictions): Same.
836 * calls.c (expand_call): Same.
837 * tree-ssa-copy.c (init_copy_prop): Same.
838 (fini_copy_prop): Same.
839 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
840 of GGC_NEW and memset.
842 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
845 * gimplify.c (gimplify_expr): Only force a load for references to
846 non-BLKmode volatile values.
847 * doc/implement-c.texi (Qualifiers implementation): Document the
848 interpretation of what a volatile access is.
849 * doc/extend.texi (C++ Extensions): Rework same documentation.
851 2006-11-16 Joseph Myers <joseph@codesourcery.com>
853 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
856 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
858 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
860 (arm_neg_abssi2): Renamed from neg_abssi2.
861 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
863 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
865 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
866 number of arguments passed to local functions in SSE registers is 3.
868 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
869 number of arguments passed in SSE registers to 3.
871 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
874 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
876 (get_last_bb_insn): ... new global function.
877 (basic_block.h): Declare it.
878 * haifa-sched.c (create_recovery_block): Use it.
880 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
883 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
885 2006-11-15 Paul Brook <paul@codesourcery.com>
887 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
888 _Unwind_GetTextRelBase): Move from here ...
889 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
890 _Unwind_GetTextRelBase): ... To here.
892 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
894 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
895 addresses we generate for testing are aligned.
897 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
900 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
901 to what is the const decl is a place holder for.
903 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
905 * config/i386/i386.opt: New target option -mx87regparm.
907 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
908 and float_in_x87 variables. mmx_words, sse_words: Remove.
909 (X87_REGPARM_MAX): Define.
911 * config/i386/i386.c (override_options): Error out for
912 -mx87regparm but no 80387 support.
913 (ix86_attribute_table): Add x87regparm.
914 (ix86_handle_cconv_attribute): Update comments for x87regparm.
915 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
916 (ix86_function_x87regparm): New function.
917 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
919 (init_cumulative_args): Initialize x87_nregs and float_in_x87
921 (function_arg_advance): Process x87_nregs and x87_regno when
922 floating point argument is to be passed in 80387 register.
923 (function_arg): Pass XFmode arguments in 80387 registers for local
924 functions. Pass SFmode and DFmode arguments to local functions
925 in 80387 registers when flag_unsafe_math_optimizations is set.
927 * reg-stack.c (convert_regs_entry): Disable NaN load for
928 stack registers that are used for argument passing.
930 * doc/extend.texi: Document x87regparm function attribute.
931 * doc/invoke.texi: Document -mx87regparm.
933 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
935 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
936 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
937 arg MODE; all callers changed. Use it to determine validity per
938 machine mode instead of using Pmode for all memory references.
939 (get_address_cost): Likewise add and use new arg MEM_MODE.
941 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
942 J"orn Rennecke <joern.rennecke@st.com>
944 * combine.c (likely_spilled_retval_1): Fix masking operation.
945 (likely_spilled_retval_p): Use proper pattern for call to
946 likely_spilled_retval_1.
948 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
950 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
952 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
953 that tests for CONSTANT_POOL_ADDRESS_P.
955 2006-11-15 Jakub Jelinek <jakub@redhat.com>
957 PR tree-optimization/29581
958 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
959 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
960 type is different between Y and USE, create a temporary
961 variable, initialize it at the beginning of the body bb
962 and use it as replacement instead of Y.
964 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
967 * gimplify.c (fold_indirect_ref_rhs): Use
968 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
970 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
972 * expmed.c (emit_store_flag_1): New function.
973 (emit_store_flag): Call it. If we can't find a suitable scc insn,
975 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
976 Use do_compare_rtx_and_jump.
977 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
978 * arm.md (cstoresi4): New define_expand.
979 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
980 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
981 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
983 2006-11-14 Caroline Tice <ctice@apple.com>
985 * dwarf2out.c (debug_pubtypes_section): New static global variable.
986 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
988 (pubname_table): Redefine as a vector.
989 (pubtype_table): New static global variable, defined as a vector.
990 (pubname_table_allocated): Remove static global variable.
991 (pubname_table_in_use): Remove static global variable.
992 (PUBNAME_TABLE_INCREMENT): Remove constant.
993 (size_of_pubnames): Add parameter to deal with either pubnames or
994 pubtypes, and change code to deal with table being a vector.
995 (add_pubname): Change to deal with table being a vector.
996 (add_pubtype): New function.
997 (output_pubnames): Add parameter to deal with either pubnames or
998 pubtypes, and change code to deal with table being a vector.
999 (gen_array_type_die): Add call to add_pubtype.
1000 (gen_enumeration_type_die): Add call to add_pubtype.
1001 (gen_struct_or_union_type_die): Add call to add_pubtype.
1002 (gen_subroutine_type_die): Add call to add_pubtype.
1003 (gen_typedef_die): Add call to add_pubtype.
1004 (dwarf2out_init): Add code to initialize pubname_table and
1005 pubtype_table vectors; also initialize debug_pubtypes_section.
1006 (prune_unused_types): Change to deal with pubnames being a vector.
1007 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1008 pubnames table to call to output_pubnames; Add code to output pubtypes
1009 table if DEBUG_PUBTYPES_SECTION is defined.
1010 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1012 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1014 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1016 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1017 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1018 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1019 movv2si_internal): Support moves between core registers.
1021 2006-11-14 Eric Christopher <echristo@apple.com>
1023 * configure: Regenerate with autoconf 2.59.
1025 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1027 Fix PR tree-optimization/27755
1029 * tree-ssa-pre.c: Update comments.
1030 (bb_bitmap_sets): Add pa_in and deferred member.
1031 (BB_DEFERRED): New macro.
1032 (maximal_set): New variable.
1033 (pre_stats): Add pa_insert member.
1034 (bitmap_set_and): Short circuit orig == dest.
1035 (bitmap_set_subtract_values): New function.
1036 (bitmap_set_contains_expr): Ditto.
1037 (translate_vuses_through_block): Add phiblock argument.
1038 (dependent_clean): New function.
1039 (compute_antic_aux): Update for maximal_set changes.
1040 (compute_partial_antic_aux): New function.
1041 (compute_antic): Handle partial anticipation.
1042 (do_partial_partial_insertion): New function.
1043 (insert_aux): Handle partial anticipation.
1044 (add_to_sets): Add to maximal set.
1045 (compute_avail): Ditto.
1046 (init_pre): Initialize maximal_set.
1047 (execute_pre): Do partial anticipation if -O3+.
1049 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1051 PR rtl-optimization/29798
1053 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1054 TARGET_INSN before any other check.
1055 (fwprop_init): Always calculate dominators.
1056 (fwprop_done): Always free them.
1058 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1060 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1063 2006-11-13 DJ Delorie <dj@redhat.com>
1065 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1066 temporary for intermediates.
1068 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1070 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1071 (sh_optimize_target_register_callee_saved): #if 0 the code
1072 using NOTE_INSN_LOOP_{BEG,END}.
1074 2006-11-13 Roger Sayle <roger@eyesopen.com>
1076 * fold-const.c (optimize_bit_field_compare): Recursively call
1077 fold when simplifying non-constant comparisons between bit-fields.
1079 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1081 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1083 * configure: Rebuilt.
1085 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1087 * config/rs6000/cell.md: New file.
1088 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1090 (ppccell_cost): New cost matrix.
1091 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1092 (rs6000_override_options): Set rs6000_always_hint to false
1093 for cell. Also align functions/lables/loops to 8byte
1094 for the Cell. Use PROCESSOR_CELL.
1095 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1096 using_mtcr_multiple.
1097 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1098 on the Cell, return 0.
1099 (rs6000_adjust_cost): Add Cell cost adjustments.
1100 (is_microcoded_insn): Return true for Cell microcoded
1102 (is_nonpipeline_insn): New function.
1103 (rs6000_issue_rate): Add PROCESSOR_CELL.
1104 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1106 (rs6000_use_sched_lookahead_guard): New function.
1107 (rs6000_sched_reorder): Reorder the ready list, if the second
1108 to last ready insn is a nonepipeline insn on the Cell.
1109 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1110 (ASM_CPU_SPEC): Add Cell.
1111 * config/rs6000/rs6000.md (cpu): Add Cell.
1112 (cell_micro): New Attr.
1115 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1117 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1119 * configure: Rebuilt.
1121 2006-11-13 Richard Guenther <rguenther@suse.de>
1123 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1125 (ix86_expand_lfloorceil): Likewise.
1126 (ix86_expand_rint): Likewise.
1127 (ix86_expand_floorceildf_32): Likewise.
1128 (ix86_expand_floorceil): Likewise.
1129 (ix86_expand_rounddf_32): Likewise.
1130 (ix86_expand_truncdf_32): Likewise.
1131 (ix86_expand_round): Likewise.
1133 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1134 Mark Mitchell <mark@codesourcery.com>
1136 * gcc.c: Organize search path variables into $prefix relative,
1137 and well-known native. Add comments.
1138 (add_sysrooted_prefix): Add comment.
1139 (process_command): If !gcc_exec_prefix add $prefix based paths.
1140 If *cross_compile == '0', add native well-known paths.
1141 Assert tooldir_base_prefix is always relative.
1142 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1143 use this value for 'install:' path.
1144 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1146 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1148 * config/i386/i386.c: Fix a typo in comment.
1150 2006-11-13 Michael Matz <matz@suse.de>
1152 * genemit.c (gen_expand): Allocate enough memory.
1154 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1156 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1157 __GXX_TYPEINFO_EQUALITY_INLINE but not
1158 __GXX_MERGED_TYPEINFO_NAMES.
1159 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1160 __GXX_MERGED_TYPEINFO_NAMES.
1161 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1162 __GXX_TYPEINFO_EQUALITY_INLINE.
1164 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1165 Zdenek Dvorak <dvorakz@suse.cz>
1167 PR tree-optimization/29680
1168 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1171 2006-11-12 Jason Merrill <jason@redhat.com>
1172 Andrew Pinski <pinskia@physics.uc.edu>
1175 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1177 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1179 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1180 * tree.c (build_vector): Handle non-_CST elements.
1182 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1184 * genemit.c (gen_insn): Call gen_exp with a non-null used
1185 when handling multiple insns.
1186 (gen_expand): Likewise.
1187 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1188 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1189 (movsi_const_16bit+1): Copy operands[1].
1190 (call_pcrel): Copy the call_site pattern.
1191 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1193 2006-11-12 Roger Sayle <roger@eyesopen.com>
1195 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1196 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1197 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1198 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1200 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1202 Fix PR tree-optimization/29587
1203 * tree-ssa-structalias.c (process_constraint): Don't
1204 mark address taken due only to escaped vars constraint.
1206 2006-11-12 Michael Matz <matz@suse.de>
1207 Roger Sayle <roger@eyesopen.com>
1209 PR rtl-optimization/29797
1210 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1211 BITS_BIG_ENDIAN targets.
1213 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1215 * builtins.c (fold_builtin_cosh): New.
1216 (fold_builtin_1): Use it.
1217 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1218 trunc to the list of "odd" functions. Also add llrint, lrint,
1219 rint and nearbyint when flag_rounding_math is false.
1221 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1223 * tree-flow.h (name_mappings_registered_p): Declare.
1224 * tree-into-ssa.c (name_mappings_registered_p): New function.
1225 * tree-cfg.c (tree_can_merge_blocks_p): Check
1226 name_mappings_registered_p instead of need_ssa_update_p.
1228 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1230 * tree-ssa-loop.c (tree_vectorize): Return the result of
1232 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1233 if anything changed.
1234 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1235 * tree-flow.h (vectorize_loops): Declaration changed.
1237 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1239 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1241 (issue_prefetch_ref): Move assignment to write_p out of loop.
1242 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1243 SIMULTANEOUS_PREFETCHES into account.
1244 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1245 * lambda-code.c (lcm): Renamed to ...
1246 (least_common_multiple): ... and exported.
1247 * tree-flow.h (least_common_multiple): Declare.
1249 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1251 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1252 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1253 ud-chains. Handle AND_EXPR.
1254 (record_estimate): Record whether the estimate is realistic
1255 and whether it is derived from a loop exit.
1256 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1257 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1259 (compute_estimated_nb_iterations): Take only realistic bounds into
1260 account. Set estimate_state. Use double_ints.
1261 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1262 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1263 that do not have to be always executed.
1264 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1265 to determine whether to call infer_loop_bounds_from_undefined
1266 and compute_estimated_nb_iterations.
1267 (n_of_executions_at_most): Use double_ints.
1268 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1269 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1270 * double-int.c (double_int_to_tree): Improve comment.
1271 (double_int_fits_to_tree_p): New function.
1272 * double-int.h (double_int_fits_to_tree_p): Declare.
1273 * tree-data-ref.c: Include langhooks.h.
1274 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1275 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1276 (analyze_array): Do not pass estimate_only argument to
1277 analyze_array_indexes.
1278 (get_number_of_iters_for_loop): Build tree from the stored double_int
1280 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1281 (find_data_references_in_loop): Use find_data_references_in_stmt.
1282 * tree-data-ref.h (struct data_ref_loc_d): New.
1283 (get_references_in_stmt): Declare.
1284 (estimate_iters_using_array): Declaration removed.
1285 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1286 double_int. Improve comments. Add is_exit and realistic
1288 (struct loop): Changed type of estimated_nb_iterations to double_int.
1289 Added estimate_state field.
1290 (record_estimate): Declaration removed.
1292 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1294 * params.c (set_param_value): Initialize the "set" field.
1295 * params.h (struct param_info): Add "set" field.
1296 (PARAM_SET_P): New macro.
1297 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1298 L1_CACHE_LINE_SIZE): New macros.
1299 * toplev.c (DEFPARAM): Initialize the "set" field.
1300 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1301 SIMULTANEOUS_PREFETCHES): Removed.
1302 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1303 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1304 * config/sparc/sparc.c: Include params.h.
1305 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1306 L1_CACHE_LINE_SIZE parameters.
1307 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1309 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1311 * config/i386/i386.c: Include params.h.
1312 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1313 (override_options): Set SIMULTANEOUS_PREFETCHES and
1314 L1_CACHE_LINE_SIZE parameters.
1315 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1316 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1317 L1_CACHE_LINE_SIZE parameters.
1318 * config/ia64/ia64.c (ia64_optimization_options): Set
1319 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1320 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1322 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1323 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1324 * doc/invoke.texi: Document new params.
1326 2006-11-12 Roger Sayle <roger@eyesopen.com>
1328 PR tree-optimization/13827
1329 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1332 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1334 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1335 update_single_exit_for_duplicated_loops): New functions.
1336 (duplicate_loop_to_header_edge): Use
1337 update_single_exit_for_duplicated_loops.
1338 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1339 functions only with ENABLE_CHECKING.
1341 2006-11-12 Andreas Schwab <schwab@suse.de>
1343 * except.c (sjlj_emit_function_enter): Remove unused variable.
1345 2006-11-11 Roger Sayle <roger@eyesopen.com>
1347 * fold-const.c (int_binop_types_match_p): New function.
1348 (size_binop): Relax constraint that both arguments must both have
1349 exactly the same sizetype type. Instead use int_binop_types_match_p.
1350 (size_diffop): Likewise.
1352 (make_range): Use build_int_cst instead of fold_convert.
1353 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1354 integer constants of the correct type.
1355 (fold_div_compare): Likewise.
1356 (fold_single_bit_test): Likewise.
1357 (fold_binary): Likewise.
1358 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1359 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1361 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1364 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1365 non null value if the struct memory access is in the 0th
1368 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1371 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1372 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1375 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1376 instead of builtin_define for bfin and BFIN.
1378 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1380 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1383 2006-11-11 Jan Hubicka <jh@suse.cz>
1385 * extended.texi (__builtin_expect): We no longer require second argument
1387 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1388 * builtins.c (expand_builtin_expect): Simplify.
1389 (expand_builtin_expect_jump): Kill.
1390 * final.c (final_scan_insn): Do not skip the removed notes.
1391 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1392 EXPECTED_VALUE): Remove.
1393 * dojump.c (do_jump): Do not care about __builtin_expect.
1394 * predict.c (expected_value_to_br_prob): Kill.
1395 * function.c (expand_function_end): Do not expand
1396 NOTE_INSN_REPEATED_LINE_NUMBER.
1397 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1398 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1399 * cfgexpand.c (add_reg_br_prob_note): Export.
1400 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1401 expected_value_to_br_prob.
1402 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1403 * rtl.h (add_reg_br_prob_note): Declare.
1405 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1407 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1409 2006-11-11 Jan Hubicka <jh@suse.cz>
1411 * predict.c (predict_loops): Kill RTL variant.
1413 2006-11-11 Jan Hubicka <jh@suse.cz>
1415 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1416 * modulo-sched.c (find_line_note): Remove.
1417 (loop_canon_p): Do not worry about line number notes.
1418 (sms_schedule): Likewise.
1419 * cse.c (cse_main): Likewise.
1420 * regmove.c (fixup_match_1): Likewise
1421 * function.c (emit_return_info_block): Likewise.
1422 (expand_function_end): Likewise.
1423 (thread_prologue_an_epilogue_insns): Likewise.
1424 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1426 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1427 emit_note_copy_after): Kill.
1428 (emit_note_copy): Do not worry about line numbers.
1429 * jump.c (purge_line_number_notes): Kill.
1430 (pass_purge_lineno_notes): Kill.
1431 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1433 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1434 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1435 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1436 * tree-pass.h (pass_purge_lineno_notes): Kill.
1437 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1438 rm_redundant_line_notes.
1439 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1440 rm_redundant_line_notes.
1441 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1442 * haifa-sched.c: Update comment about handling notes.
1443 (unlink_line_notes): Kill.
1444 (rm_line_notes): Kill.
1445 (save_line_notes): Simplify.
1446 (rm_redundant_line_notes): Kill.
1448 2006-11-11 Richard Guenther <rguenther@suse.de>
1450 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1451 Remove unused tree codes.
1452 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1453 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1454 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1455 * tree.c (stabilize_reference): Likewise.
1456 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1457 fold_unary): Likewise.
1458 * tree-gimple.c (is_gimple_cast): Likewise.
1459 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1460 * expr.c (expand_expr_real_1): Likewise.
1461 * tree-eh.c (tree_could_trap_p): Likewise.
1462 * gimplify.c (gimplify_expr): Likewise.
1463 * tree-inline.c (estimate_num_insns_1): Likewise.
1464 * tree-cfg.c (verify_expr): Likewise.
1466 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1468 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1469 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1470 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1472 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1475 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1476 constraints accept neither registers or memories.
1478 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1480 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1481 (NO_PROFILE_COUNTERS): Define as 1.
1483 2006-11-10 Roger Sayle <roger@eyesopen.com>
1485 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1486 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1488 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1490 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1492 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1494 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1495 (fold_builtin_hypot): Likewise.
1496 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1498 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1500 2006-11-10 Roger Sayle <roger@eyesopen.com>
1502 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1503 when attempting to build INTEGER_CSTs of non-integral types.
1504 * expmed.c (make_tree): Use the correct type, i.e. the inner
1505 type, when constructing the individual elements of a CONST_VECTOR.
1507 2006-11-10 Jan Hubicka <jh@suse.cz>
1509 * cse.c (cse_process_notes): Copy the propagated value.
1510 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1512 * gcse.c (try_replace_reg): Copy the replacement.
1513 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1514 (assign_386_stack_local): Always return copied memory expression
1515 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1518 2006-11-10 Jan Hubicka <jh@suse.cz>
1520 * final.c (final): Walk from first instruction.
1521 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1523 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1526 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1528 (umulv8hi3_highpart): Ditto.
1529 (vec_widen_smult_hi_v8hi): New expander.
1530 (vec_widen_smult_lo_v8hi): Ditto.
1532 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1535 * builtins.c (do_mpfr_arg3): New.
1536 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1538 2006-11-09 Eric Christopher <echristo@apple.com>
1543 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1544 * config.gcc (powerpc64-*-darwin*): New target.
1545 * config.host: Ditto.
1546 * config/rs6000/darwin64.h: New file.
1547 * config/rs6000/x-darwin64: Ditto.
1548 * config/rs6000/host-ppc64-darwin.c: Ditto.
1550 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1552 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1553 routines for integer division.
1555 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1557 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1559 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1562 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1564 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1566 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1567 simplify_subreg with BLKmode outer mode.
1569 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1571 * doc/invoke.texi: Minor formatting fixes in option lists.
1573 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1575 PR tree-optimization/29738
1576 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1577 (ccp_lattice_t): Remove UNKNOWN_VAL.
1578 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1579 Do not handle UNKNOWN_VAL.
1580 (get_default_value): Set initial value of virtual operands to
1582 (get_value): Always use get_default_value on uninitialized
1584 (set_value_varying, surely_varying_stmt_p): New functions.
1585 (set_lattice_value): Do not pass argument to get_value.
1586 Do not handle UNKNOWN_VAL.
1587 (likely_value): Follow the semantics described in the comment.
1588 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1589 phi nodes DONT_SIMULATE_AGAIN.
1590 (ccp_fold): Do not pass argument to get_value.
1591 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1594 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1596 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1597 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1599 2006-11-08 Roger Sayle <roger@eyesopen.com>
1601 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1602 test for inclusion rather than as a test for exclusion.
1603 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1604 the condition after calling fold_binary.
1605 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1606 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1607 * builtins.c (fold_builtin_isascii): Likewise.
1608 (fold_builtin_isdigit): Likewise.
1610 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1612 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1613 * configure: Regenerate.
1615 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1617 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1618 enum argument instead of bool.
1619 (vect_analyze_operations): Call vectorizable_type_promotion.
1620 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1621 stmt_vec_info_type value.
1622 (supportable_widening_operation, vectorizable_type_promotion): New
1623 function declarations.
1624 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1625 (vectorizable_type_promotion): New function.
1626 (vect_transform_stmt): Call vectorizable_type_promotion.
1627 * tree-vect-analyze.c (supportable_widening_operation): New function.
1628 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1630 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1633 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1634 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1635 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1637 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1638 * expr.c (expand_expr_real_1): Likewise.
1639 * optabs.c (optab_for_tree_code): Likewise.
1640 (init_optabs): Initialize new optabs.
1641 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1642 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1643 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1644 vec_unpacku_lo_optab): Initialize new optabs.
1645 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1646 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1647 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1649 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1650 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1651 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1652 (vec_unpacku_lo_optab): New optabs.
1653 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1654 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1655 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1656 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1657 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1658 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1660 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1661 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1662 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1663 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1664 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1665 implement the unsigned unpacking patterns.
1666 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1667 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1668 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1669 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1670 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1671 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1672 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1673 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1674 multiplication patterns.
1676 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1677 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1678 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1679 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1680 (rs6000_builtin_mul_widen_odd): New.
1681 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1682 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1683 * tree-vectorizer.h (enum vect_relevant): New enum type.
1684 (_stmt_vec_info): Field relevant chaned from bool to enum
1686 (STMT_VINFO_RELEVANT_P): Updated.
1687 (STMT_VINFO_RELEVANT): New.
1688 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1689 instead of STMT_VINFO_RELEVANT_P.
1690 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1691 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1692 and boolean variable with enum vect_relevant.
1693 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1694 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1695 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1697 2006-11-08 Richard Henderson <rth@redhat.com>
1699 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1700 vec_widen_umult_lo_v8hi): New.
1701 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1702 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1704 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1705 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1706 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1707 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1708 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1709 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1710 vec_unpacks_lo_v4si): New.
1712 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1714 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1715 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1716 (vect_analyze_operations): Call vectorizable_type_demotion.
1717 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1718 stmt_vec_info_type value.
1719 (vectorizable_type_demotion): New function declaration.
1720 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1723 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1724 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1726 * tree-iniline.c (estimate_num_insns_1): Likewise.
1727 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1728 * optabs.c (optab_for_tree_code): Likewise.
1730 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1731 compared against the predicate of the result is not 'mode' (the input
1732 to the function) but a mode with half the size of 'mode'.
1733 (init_optab): Initialize new optabs.
1734 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1736 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1738 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1739 (vec_pack_usat_optab): Initialize new optabs.
1740 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1741 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1743 2006-11-08 Richard Henderson <rth@redehat.com>
1745 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1746 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1747 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1748 (vec_interleave_highv4si, vec_interleave_lowv4si):
1749 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1751 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1753 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1755 (vect_transform_stmt): Removed redundant code.
1757 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1759 * tree-vect-transform.c (vectorizable_operation): Support multiple
1762 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1764 * tree-vect-transform.c (vect_align_data_ref): Removed.
1765 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1766 Updated function documentation. Return the increment stmt in ptr_incr.
1767 (bump_vector_ptr): New function.
1768 (vect_get_vec_def_for_stmt_copy): New function.
1769 (vect_finish_stmt_generation): Create a stmt_info to newly created
1771 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1773 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1774 VF is greater than the number of elements that can fit in one vector
1776 (vectorizable_operation, vectorizable_condition): Likewise.
1777 (vectorizable_store, vectorizable_load): Support the case that the VF
1778 is greater than the number of elements that can fit in one vector word.
1779 (vect_transform_loop): Don't fail in case of multiple data-types.
1780 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1781 in case of multiple data-types; the smallest type determines the VF.
1782 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1783 if they are of different sizes.
1784 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1785 number of elements rather than number of bytes.
1786 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1787 (vect_can_advance_ivs_p): Fix a dump printout
1789 2006-11-07 Eric Christopher <echristo@apple.com>
1791 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1792 (__bswapsi2): Ditto.
1793 * libgcc2.h: Remove transformation of bswap routines.
1794 * config/i386/i386.md (bswapsi2): New.
1797 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1799 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1800 (handle_gnu_inline_attribute): New function.
1801 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1802 (merge_decls, start_decl, start_function): Likewise.
1803 * doc/extend.texi: Document gnu_inline attribute.
1805 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1808 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1809 _fixunstfdi, and _floatditf
1811 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1813 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1815 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1816 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1817 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1818 which start in an odd register.
1820 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1822 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1824 2006-11-07 Josh Conner <jconner@apple.com>
1826 * doc/invoke.texi (fstrict-aliasing): Move implementation
1828 * doc/tree-ssa.texi (Alias analysis): ...here.
1830 2006-11-07 Richard Guenther <rguenther@suse.de>
1832 PR tree-optimization/29610
1833 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1834 of tree_purge_dead_eh_edges as it may free dominators.
1836 * g++.dg/other/pr29610.C: New testcase.
1838 2006-11-07 David Ung <davidu@mips.com>
1840 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1841 costs when optimizing for size.
1842 (override_options): Use mips_rtx_cost_optimize_size table for cost
1845 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1847 * gcc.c (process_command): Treat -b as normal switch if its argument
1850 2006-11-07 David Ung <davidu@mips.com>
1852 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1855 2006-11-06 Eric Christopher <echristo@apple.com>
1857 * config.gcc: Add x86_64-darwin host support.
1858 * config.host: Ditto.
1859 * config/i386/darwin64.h: New file.
1860 * config/i386/t-darwin64: Ditto.
1862 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1864 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1865 and output-exists-not.
1867 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1870 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1871 checking for overflow.
1873 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1875 * configure.ac: Fixed typo in case statement: :: changed to ;;
1877 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1879 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1880 count_leading_zeros, and count_trailing_zeros.
1881 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1882 (TARGET_FOLD_BUILTIN): Define.
1883 (TARGET_EXPAND_BUILTIN): Define.
1884 (xtensa_init_builtins): New.
1885 (xtensa_fold_builtin): New.
1886 (xtensa_expand_builtin): New.
1887 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1888 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1889 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1890 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1891 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1892 (any_extend): New code macro.
1893 (u, su): New code attributes.
1894 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1895 (nsau): Remove; replaced by clzsi2.
1896 (ffssi2): Use clzsi2.
1897 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1898 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1899 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1900 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1901 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1903 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1905 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1907 * config/arm/t-strongarm-elf: Likewise.
1908 * config/arm/t-pe: Likewise.
1909 * config/arm/t-arm-elf: Likewise.
1910 * config/arm/t-xscale-elf: Likewise.
1911 * config/arm/t-arm-coff: Likewise.
1912 * config/arm/t-xscale-coff: Likewise.
1913 * config/arm/t-wince-pe: Likewise.
1915 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1917 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1920 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1923 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1926 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1929 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1930 as a valid 80387 constant.
1931 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1932 * config/i386/i386.md (unnamed splitter): Split the load of
1933 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1936 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1938 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1939 from the soft-frame, argument and virtual registers.
1941 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1943 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1944 patterns for standard 80387 constants.
1946 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1947 Steven Bosscher <steven@gcc.gnu.org>
1949 * fwprop.c: New file.
1950 * Makefile.in: Add fwprop.o.
1951 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1952 * passes.c (init_optimization_passes): Schedule forward propagation.
1953 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1955 * timevar.def (TV_FWPROP): New.
1956 * common.opt (-fforward-propagate): New.
1957 * opts.c (decode_options): Enable forward propagation at -O2.
1958 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1959 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1960 canon_for_address, table_size): Remove.
1961 (new_basic_block, insert, remove_from_table): Remove references to
1963 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1964 simplification loop more straightforward by not calling fold_rtx
1966 (equiv_constant): Move here a small part of fold_rtx_subreg,
1967 do not call fold_rtx. Call avoid_constant_pool_reference
1969 * recog.h (canonicalize_change_group): New.
1971 * doc/invoke.texi (Optimization Options): Document fwprop.
1972 * doc/passes.texi (RTL passes): Document fwprop.
1974 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1976 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1977 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1978 (grokdeclarator): Likewise.
1980 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1982 * tree-dump.c (dump_enable_all): Rename local variable
1983 ir_type to avoid name conflicts.
1984 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1985 instead of using ir_type().
1986 * profile.c (tree_register_profile_hooks): Likewise.
1987 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1988 * basic-block.h (struct edge_def): Likewise.
1989 * config/arm/arm.c (legitimize_pic_address): Likewise.
1990 * coretypes.h (ir_type): New enum of all intermediate languages
1992 * cfghooks.c (ir_type): Rename to...
1993 (current_ir_type): ...this. Distinguish between cfgrtl and
1994 cfglayout mode when the current IR is RTL. Return enum ir_type.
1995 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1997 2006-11-03 Paul Brook <paul@codesourcery.com>
1999 * config/arm/arm.c (arm_file_start): New function.
2000 (TARGET_ASM_FILE_START): Define.
2001 (arm_default_cpu): New variable.
2002 (arm_override_options): Set arm_default_cpu.
2004 2006-11-03 David Ung <davidu@mips.com>
2006 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2007 PROCESSOR_24KC and PROCESSOR_24KF.
2008 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2009 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2010 (mips_rtx_cost_data): Add costs for the 24kc.
2011 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2012 * config/mips/24k.md: Remove references to 24k and replace with
2013 uses of 24kc/24kf in the appropriate reservations.
2014 * doc/invoke.texi (MIPS Options): Updated.
2016 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2018 * config/sh/crt1.asm: Fix #ifdef indent.
2020 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2021 Merged from STMicroelectronics sources:
2022 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2023 * config/sh/crt1.asm (vbr_600): Add missing #if.
2024 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2025 * sh.opt (mfused-madd): New option.
2026 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2027 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2028 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2029 Remove pointless handler at VBR+0.
2030 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2031 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2032 fr7. Make sure the timer handler is called with the correct FPU
2033 precision setting, according to the ABI.
2034 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2035 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2036 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2037 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2038 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2039 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2040 zero as second operand.
2041 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2042 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2043 Fixed some bugs related to negative values, in particular -0
2044 and overflow at -0x80000000.
2045 * config/sh/divcost-analysis: Added sh4-300 figures.
2046 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2047 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2048 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2049 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2050 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2051 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2053 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2055 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2056 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2057 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2058 mac_mem, mem_mac, dfp_mul, fp_cmp.
2059 (insn_class, dfp_comp, any_fp_comp): Update.
2060 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2061 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2062 (muldf3_i): Likewise.
2063 (movsi_i): Split rI08 alternative into two separate alternatives.
2065 (movsi_ie, movsi_i_lowpart): Likewise.
2066 (movqi_i): Split ri alternative into two separate alternatives.
2068 * sh1.md (sh1_load_store, sh1_fp): Update.
2069 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2070 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2071 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2072 (sh4a_fp_double_arith): Likewise.
2073 * sh4-300.md: New file.
2074 * sh.c (sh_handle_option): Handle m4-300* options.
2075 (sh_adjust_cost): Fix latency of auto-increments.
2076 Handle SH4-300 differently than other SH4s. Check for new insn types.
2077 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2078 been set by an option.
2079 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2080 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2081 (mbranch-cost=): Likewise.
2082 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2084 * sh.md (mulsf3): Remove special expansion code.
2085 (mulsf3_ie): Now a define_insn_and_split.
2086 (macsf3): Allow for TARGET_SH4.
2088 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2089 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2090 (expand_cbranchdi4): Likewise.
2091 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2092 CONST_DOUBLE if the outer code is COMPARE.
2093 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2094 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2095 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2096 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2097 Remove redundant fp_{zero,one}_operand checks.
2098 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2099 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2100 (expand_cbranchdi4): Likewise.
2101 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2102 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2104 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2106 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2109 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2111 * doc/invoke.texi: Fix mfp-trap-mode typo.
2113 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2115 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2116 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2117 file_end_indicate_exec_stack.
2118 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2120 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2121 for a non-executable stack.
2122 * crti.asm: Likewise.
2123 * crtn.asm: Likewise.
2124 * libunwind.S: Likewise.
2126 2006-11-02 Ben Elliston <bje@au.ibm.com>
2128 * tree-ssa.c (warn_uninit): Use expand_location variables for
2129 locus and declaration locus.
2131 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2134 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2135 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2136 cmp{eq,gt,gtu}{si,di}_media.
2137 (*cmpne0si_media): Remove.
2138 (*movsicc_umin): Adjust gen_cmp*_media call.
2139 (unordered): Change the mode of unordered and operands[1] to
2141 (seq): Adjust gen_cmp*_media calls. Make the mode of
2142 a temporary result of compare SImode if needed. If the mode
2143 of operands[0] is DImode, extend the temporary result to DImode.
2144 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2145 (sunorderd): Change the mode of match_operand and unorderd to
2147 (cmpeq{sf,df}_media): Remove.
2148 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2149 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2150 and compare operation to SImode.
2152 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2154 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2156 (sparc64-sun-solaris2*): Likewise.
2158 2006-11-02 Paul Brook <paul@codesourcery.com>
2160 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2161 from priority argument. Use different section for non-default
2163 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2165 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2168 * except.c (switch_to_exception_section): Do not cache the section
2169 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2170 and flag_function_sections is set.
2172 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2175 * builtins.c (do_mpfr_sincos): New.
2176 (fold_builtin_1): Use it to fold builtin sincos.
2178 2006-11-01 Roger Sayle <roger@eyesopen.com>
2180 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2181 it into -D_REENTRANT.
2183 2006-11-01 Roger Sayle <roger@eyesopen.com>
2185 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2186 whether the assembler supports taking the difference of symbols in
2187 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2188 * configure: Regenerate.
2189 * config.in: Regenerate.
2190 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2191 the assembler doesn't support taking the difference of symbols in
2192 different sections, i.e. we're using the native solaris assembler.
2194 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2195 Peter Bergner <bergner@vnet.ibm.com>
2197 * doc/invoke.texi: Add cpu_type power6x
2198 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2199 * config.gcc: Add cpu_type power6x.
2200 * configure.ac: Add test for mf{t,f}gpr instructions.
2201 (HAVE_AS_MFPGPR): New.
2202 * config.in: Regenerate.
2203 * configure: Regenerate.
2204 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2205 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2206 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2207 and mftgpr attributes.
2208 (define_attr "cpu"): Add power6.
2209 Change instruction sequences to use new attributes.
2210 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2211 (fix_truncdfsi2_mfpgpr): New.
2212 (floatsidf_ppc64_mfpgpr): New.
2213 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2214 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2215 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2216 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2217 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2218 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2219 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2220 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2221 cntlz,exts and var_delayed_compare.
2222 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2223 _ARCH_PWR6X, if features enabled.
2224 * config/rs6000/rs6000.opt (mmfpgpr): New.
2225 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2226 (cached_can_issue_more): New variable.
2227 (processor_costs): Add power6_cost.
2228 (rs6000_sched_init): New function.
2229 (is_dispatch_slot_restricted): Deleted.
2230 (set_to_load_agen): New function.
2231 (is_load_insn,is_store_insn): New functions.
2232 (adjacent_mem_locations): New function.
2233 (insn_must_be_first_in_group): New function.
2234 (insn_must_be_last_in_group): New function.
2235 (rs6000_sched_reorder): New function.
2236 (rs6000_sched_reorder2): New function.
2237 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2238 TARGET_SCHED_REORDER2): Define.
2239 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2240 Add power6x. Add MASK_MFPGPR for power6x.
2241 (POWERPC_MASKS): Add MASK_MFPGPR.
2242 (rs6000_override_options): Set rs6000_always_hint to false
2243 for power6. Set rs6000_align_branch_targets. Replace
2244 rs6000_sched_groups check with rs6000_align_branch_targets.
2245 Use PROCESSOR_POWER6.
2246 (last_scheduled_insn): New variable.
2247 (load_store_pendulum): New variable.
2248 (rs6000_variable_issue): Set last_scheduled_insn and
2249 cached_can_issue_more.
2250 (rs6000_adjust_cost): Add power6 cost adjustments.
2251 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2252 with insn_must_be_first_in_group. Add power6 priority adjustments.
2253 (rs6000_issue_rate): Add CPU_POWER6.
2254 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2255 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2256 (TARGET_MFPGPR): New.
2257 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2258 (ASM_CPU_SPEC): Add power6x.
2259 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2261 * config/rs6000/power6.md: New file.
2263 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2265 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2266 HOST_WIDE_INT_PRINT to print high and low parts. Use
2267 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2268 printing a hexadecimal number prefix it with 0x.
2270 2006-11-01 Chris Johns <chris@contemporary.net.au>
2273 * Makefile.in (install-driver): Use exeext when installing
2274 $target-gcc-$version.
2276 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2278 * c-common.c (flag_cpp0x): New.
2279 * c-common.h (flag_cpp0x): New.
2280 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2281 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2282 * c-opts.c (set_std_cxx0x): New.
2283 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2284 * c.opt (std=c++0x): Document.
2285 (std=gnu++0x): Ditto.
2286 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2287 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2289 2006-11-01 Richard Guenther <rguenther@suse.de>
2291 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2293 (ix86_expand_floorceildf_32): Likewise.
2294 (ix86_expand_floorceil): Likewise.
2295 (ix86_expand_trunc): Likewise.
2297 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2299 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2302 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2304 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2306 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2308 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2310 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2311 * configure.ac (use_cxa_atexit): As a special case, don't test
2312 for libc definition of __cxa_atexit on mingw32
2313 * configure: Regenerate.
2314 * config.gcc (i[34567]86-pc-mingw32): Default to
2315 enable__cxa_atexit=yes.
2317 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2321 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2324 * c-decl.c (start_struct): Don't create self-containing
2326 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2328 * config/rs6000/rs6000-protos.h
2329 (darwin_rs6000_special_round_type_align): New.
2330 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2331 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2333 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2335 * toplev.c (compile_file): Call final_write_globals
2336 even if there have been errors.
2338 2006-10-31 Eric Christopher <echristo@apple.com>
2339 Falk Hueffner <falk@debian.org>
2341 * doc/extend.texi (__builtin_bswap32): Document.
2342 (__builtin_bswap64): Ditto.
2343 * doc/libgcc.texi (bswapsi2): Document.
2345 * doc/rtl.texi (bswap): Document.
2346 * optabs.c (expand_unop): Don't widen a bswap.
2347 (init_optabs): Init bswap. Set libfuncs explicitly
2348 for bswapsi2 and bswapdi2.
2349 * optabs.h (OTI_bswap): New.
2350 (bswap_optab): Ditto.
2351 * genopinit.c (optabs): Handle bswap_optab.
2352 * tree.h (tree_index): Add TI_UINT32_TYPE and
2354 (uint32_type_node): New.
2355 (uint64_type_node): Ditto.
2356 * tree.c (build_common_tree_nodes_2): Initialize
2357 uint32_type_node and uint64_type_node.
2358 * builtins.c (expand_builtin_bswap): New.
2359 (expand_builtin): Call.
2360 (fold_builtin_bswap): New.
2361 (fold_builtin_1): Call.
2362 * fold-const.c (tree_expr_nonnegative_p): Return true
2364 * builtin-types.def (BT_UINT32): New.
2366 (BT_FN_UINT32_UINT32): Ditto.
2367 (BT_FN_UINT64_UINT64): Ditto.
2368 * builtins.def (BUILT_IN_BSWAP32): New.
2369 (BUILT_IN_BSWAP64): Ditto.
2370 * rtl.def (BSWAP): New.
2371 * genattrtab.c (check_attr_value): New.
2372 * libgcc2.c (__bswapSI2): New.
2373 (__bswapDI2): Ditto.
2374 * libgcc2.h (__bswapSI2): Declare.
2375 (__bswapDI2): Ditto.
2376 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2377 * simplify-rtx.c (simplify_const_unary_operation): Return
2379 * libgcc-std.ver (__bwapsi2): Add.
2380 (__bswapdi2): Ditto.
2381 * reload1.c (eliminate_regs_1): Add bswap.
2382 (elimination_effects): Ditto.
2383 * config/i386/i386.h (x86_bswap): New.
2384 (TARGET_BSWAP): Use.
2385 * config/i386/i386.c (x86_bswap): Set.
2387 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2389 * coverage.c (coverage_checksum_string): Update comment.
2390 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2391 of get_file_function_name.
2392 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2393 of get_file_function_name_long.
2394 * tree.c (get_file_function_name): Rename from
2395 get_file_function_name_long; improve comment; handle 'I' and 'D'
2396 specially when the target has ctor/dtor support; remove special
2398 (get_file_function_name): Remove.
2399 * tree.h (get_file_function_name): Rename from
2400 get_file_function_name_long.
2401 (get_file_function_name): Remove prototype.
2403 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2405 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2406 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2408 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2409 Call dsymutil when compiling and linking one or more source files
2412 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2415 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2417 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2419 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2420 inline static functions in c99 mode.
2423 * doc/extend.texi (Inline): Update.
2424 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2425 * c-decl.c (current_extern_inline): Delete.
2426 (pop_scope): Adjust test for an undefined nested function.
2427 Add warning about undeclared inline function.
2428 (diagnose_mismatched_decls): Update comments. Disallow overriding
2429 of inline functions in a translation unit in C99. Allow inline
2430 declarations in C99 at any time.
2431 (merge_decls): Boolize variables. Handle C99 'extern inline'
2433 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2434 C99 inline semantics.
2435 (start_function): Don't clear current_extern_inline. Don't set
2437 (c_push_function_context): Don't push current_extern_inline.
2438 (c_pop_function_context): Don't restore current_extern_inline.
2441 * c-typeck.c (build_external_ref): Warn about static variables
2442 used in extern inline functions.
2443 * c-decl.c (start_decl): Warn about static variables declared
2444 in extern inline functions.
2446 2006-10-31 Roger Sayle <roger@eyesopen.com>
2449 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2450 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2451 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2452 or y is an even integer.
2454 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2457 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2458 * gthr-posix95.h (__gthread_active_p): Likewise.
2460 2006-10-31 Richard Guenther <rguenther@suse.de>
2462 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2463 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2464 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2465 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2466 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2467 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2468 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2469 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2472 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2474 * opts.c (decode_options): Disable CSE skip blocks.
2476 2006-10-30 Dirk Mueller <dmueller@suse.de>
2478 * c-common.h (strict_aliasing_warning): Fix whitespace.
2479 * c-decl (start_function): Move code for main decl warning ..
2480 * c-common.c (check_main_parameter_types): .. here.
2481 * c-common.h (check_main_parameter_types): Declare.
2483 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2486 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2488 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2490 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2491 be a PARALLEL containing sets. Return false when out_pat is not
2494 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2496 * config/mips/mips.md (mul<mode>3): Split into...
2497 (mulsi3, muldi3): ...these separate patterns.
2499 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2501 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2502 but with each set of options separated by spaces.
2504 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2506 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2507 dwarf_reg_size_table has been initialized.
2509 2006-10-30 Roger Sayle <roger@eyesopen.com>
2511 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2512 * ddg.c (print_ddg_edge): Likewise.
2513 * dwarf2out.c (prune_unused_types_walk): Likewise.
2514 * ifcvt.c (noce_try_cmove_arith): Likewise.
2515 * langhooks.c (add_builtin_function): Likewise.
2516 * reg-stack.c (subst_stack_regs_pat): Likewise.
2517 * tree.c (expanded_location): Likewise.
2518 * tree-dump.c (dequeue_and_dump): Likewise.
2520 2006-10-30 David Daney <ddaney@avtrex.com>
2522 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2524 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2526 PR tree-optimization/29637
2527 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2528 of the innertype is the innertype itself.
2530 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2532 * dwarf2out.c (file_name_acquire): Correct typo.
2534 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2536 * tree.h (tree_value_handle): Remove struct value_set declaration.
2537 Change value_set to bitmap_set.
2538 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2539 * tree-vn.c (get_value_handle): Made inline and moved to
2541 * tree-flow-inline.h: (has_stmt_ann): New function.
2542 * tree-ssa-pre.c (expressions): New variable.
2543 (next_expression_id): Ditto.
2544 (alloc_expression_id): New function.
2545 (struct value_set): Remove.
2546 (get_expression_id): New function.
2547 (get_or_alloc_expression_id): Ditto.
2548 (expression_for_id): Ditto.
2549 (clear_expression_ids): Ditto.
2550 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2551 (bb_value_sets): Renamed to bb_bitmap_sets.
2552 All value sets replaced with bitmap_sets.
2554 (BB_VISITED): New macro.
2555 (postorder): New variable.
2556 (add_to_value): Removed.
2557 (value_exists_in_set_bitmap): Ditto.
2558 (value_insert_into_set_bitmap): Ditto.
2561 (set_remove): Ditto.
2562 (set_contains_value): Ditto.
2563 (insert_into_set): Ditto.
2565 (find_leader): Ditto.
2566 (bitmap_set_subtract_from_value_set): Ditto.
2567 (value_insert_into_set): Ditto.
2568 (print_value_set): Ditto.
2569 (debug_value_set): Ditto.
2570 (constant_expr_p): New function.
2571 (bitmap_remove_from_set): Ditto.
2572 (bitmap_insert_into_set): Ditto.
2573 (bitmap_set_free): Ditto.
2574 (vh_compare): Ditto.
2575 (sorted_array_from_bitmap_set): Ditto.
2576 (bitmap_set_subtract): Ditto.
2577 (bitmap_set_equal): Ditto.
2578 (debug_bitmap_set): Ditto.
2579 (find_leader_in_sets): Ditto.
2580 (bitmap_set_replace_value): Modify for bitmapped sets.
2581 (phi_translate): Ditto.
2582 (phi_translate_set): Ditto.
2583 (bitmap_find_leader): Ditto.
2584 (valid_in_sets): Ditto.
2585 (union_contains_value): Ditto.
2587 (compute_antic_aux): Ditto. Mark changed blocks.
2588 (compute_antic): Ditto. Iterate in postorder and only over
2590 (compute_rvuse_and_antic_safe): Reuse postorder.
2591 (create_component_ref_by_pieces): Modify for bitmapped sets.
2592 (find_or_generate_expression): Ditto.
2593 (create_expression_by_pieces): Ditto.
2594 (insert_into_preds_of_block): Ditto.
2595 (changed_blocks): New variable.
2596 (do_regular_insertion): Broken out from insert_aux.
2597 (insert_aux): Modified for bitmapped sets.
2598 (find_existing_value_expr): New function.
2599 (create_value_expr_from): Use it.
2600 (insert_extra_phis): Removed.
2601 (print_bitmap_set): Renamed from bitmap_print_value_set.
2602 (compute_avail): Handle RETURN_EXPR.
2603 (init_pre): Modify for bitmapped sets.
2604 * tree-flow.h (has_stmt_ann): New function.
2606 2006-10-29 Roger Sayle <roger@eyesopen.com>
2608 * builtins.c (fold_builtin_floor): Check for the availability of
2609 the C99 trunc function before transforming floor into trunc.
2611 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2613 * builtins.c (fold_builtin_hypot): Rearrange recursive
2614 transformation before others, and also do ABS_EXPR. When
2615 necessary, check flag_unsafe_math_optimizations. When necessary,
2618 2006-10-29 Roger Sayle <roger@eyesopen.com>
2620 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2621 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2622 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2623 Fold -X eq/ne -Y as X eq/ne Y.
2625 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2627 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2628 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2629 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2630 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2631 Use an inclusive test for "mult" rather than "mul".
2632 (rotr<mode>3): Depend on ISA_HAS_ROR.
2633 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2635 (GENERATE_MULT3_DI): Delete.
2636 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2637 (ISA_HAS_MUL3): New macro.
2638 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2639 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2640 (ISA_HAS_CLZ_CLO): Likewise.
2641 (ISA_HAS_DCLZ_DCLO): Delete.
2642 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2643 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2644 the VR4120 and VR4130.
2645 (ISA_HAS_MACCHI): Use consistent formatting.
2646 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2647 (ISA_HAS_ROR): ...this new macro.
2648 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2649 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2650 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2652 2006-10-29 Roger Sayle <roger@eyesopen.com>
2654 PR tree-optimization/15458
2655 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2658 2006-10-29 Richard Guenther <rguenther@suse.de>
2660 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2661 (ix86_expand_truncdf_32): Likewise.
2662 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2663 trunc inline for SSE math and -fno-trapping-math and if not
2664 optimizing for size.
2665 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2666 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2667 for expanding btrunc inline for SSE math.
2669 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2671 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2672 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2673 i[34567]86-*-solaris2.1[0-9]*.
2674 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2675 Define conditionally depending on TARGET_64BIT_DEFAULT.
2676 (SPEC_32, SPEC_64): Define.
2677 (LINK_SPEC): Use them.
2678 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2680 2006-10-29 Richard Guenther <rguenther@suse.de>
2682 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2683 (ix86_expand_rounddf_32): Likewise.
2684 * config/i386/i386.c (ix86_expand_round): New function expanding
2685 round inline for SSE math and -fno-trapping-math and if not
2686 optimizing for size.
2687 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2688 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2689 round via ix86_expand_round.
2691 2006-10-29 Richard Guenther <rguenther@suse.de>
2693 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2694 (ix86_expand_floorceildf_32): Likewise.
2695 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2696 static helper function.
2697 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2699 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2700 * config/i386/i386.md (floordf2): Adjust to enable floor
2701 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2702 -fno-trapping-math is enabled and if not optimizing for size.
2703 (floorsf2, ceildf2, ceilsf2): Likewise.
2704 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2705 (sse2_maskcmpdf3): Likewise.
2707 2006-10-29 Richard Guenther <rguenther@suse.de>
2709 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2710 rint in case -fno-trapping-math is enabled.
2711 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2712 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2713 (ix86_expand_sse_fabs): Likewise.
2714 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2715 * config/i386/i386.md (rintdf2): Enable for SSE math if
2716 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2717 (rintsf2): Likewise.
2719 2006-10-29 Richard Guenther <rguenther@suse.de>
2721 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2722 to conversion optabs.
2723 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2724 as conversion optab.
2725 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2726 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2727 (lfloor_optab, lceil_optab): Adjust defines.
2728 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2729 lfloor and lceil optabs now being conversion optabs.
2730 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2731 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2732 New static helper function.
2733 (ix86_expand_lfloorceil): New function to expand lfloor and
2735 * config/i386/i386.md (lfloor<mode>2): Split into ...
2736 (lfloorxf<mode>2): ... x87 variant
2737 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2738 using ix86_expand_lfloorceil.
2739 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2741 * doc/md.texi (lfloorMN, lceilMN): Document.
2743 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2745 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2746 -mno-shared assembler option on mips targets.
2747 * configure, config.in: Regenerate.
2748 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2749 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2750 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2752 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2754 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2755 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2757 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2759 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2760 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2763 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2767 (fold_builtin_pow): Evaluate constant arguments at compile-time
2769 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2770 (do_mpfr_ckconv): New helper function.
2771 (do_mpfr_arg1): Use do_mpfr_ckconv.
2772 (do_mpfr_arg2): New.
2774 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2777 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2778 (-fdump-rtl-sched): Rename to ..
2779 (-fdump-rtl-sched1): here. Also fix file extension number.
2781 2006-10-28 Richard Guenther <rguenther@suse.de>
2783 * fold-const.c (maybe_canonicalize_comparison): Fix code
2786 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2788 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2789 (NON_QI_REG_P): Use IN_RANGE.
2790 (REX_INT_REGNO_P): Use IN_RANGE.
2791 (FP_REGNO_P): Use IN_RANGE.
2792 (SSE_REGNO_P): Use IN_RANGE.
2793 (REX_SSE_REGNO_P): Use IN_RANGE.
2794 (MMX_REGNO_P): Use IN_RANGE.
2795 (STACK_REGNO_P): New macro.
2796 (STACK_REG_P): Use STACK_REGNO_P.
2797 (NON_STACK_REG_P): Use STACK_REGNO_P.
2798 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2799 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2800 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2801 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2802 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2804 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2806 * except.h (output_function_exception_table): Add 'const char*' param.
2807 * except.c (switch_to_exception_section): Add 'const char*' param.
2808 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2809 and flag_function_sections is set, use a function-specific section.
2810 (output_function_exception_table): Add 'const char*' param.
2811 Adjust call to switch_to_exception_section.
2812 * final.c (rest_of_handle_final): Adjust calls to
2813 output_function_exception_table.
2814 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2815 * config.in: Regenerate.
2816 * configure: Likewise.
2818 2006-10-28 Richard Guenther <rguenther@suse.de>
2821 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2822 for maybe_canonicalize_comparison.
2823 (maybe_canonicalize_comparison): New function for canonicalizing
2825 (fold_comparison): Call it to canonicalize comparisons with
2828 2006-10-28 Richard Guenther <rguenther@suse.de>
2831 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2832 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2833 (expand_builtin): Adjust likewise.
2834 * genopinit.c (optabs[]): Add lround optab.
2835 * optabs.c (init_optabs): Initialize lround_optab.
2836 * optabs.h (enum convert_optab_index): Add COI_lround.
2837 (lround_optab): Define.
2838 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2839 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2841 (ix86_expand_lround): New function.
2842 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2844 * doc/md.texi (lroundMN2): Document.
2846 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2849 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2850 argument to HOST_WIDE_INT. Update function prototype.
2851 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2852 "size" argument to HOST_WIDE_INT. Update function prototype.
2854 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2856 * config/i386/i386.c (output_387_ffreep): Create output from a
2857 template string for !HAVE_AS_IX86_FFREEP.
2859 2006-10-27 Eric Christopher <echristo@apple.com>
2861 * config/darwin.c: Fix formatting and grammar.
2863 2006-10-27 Jan Hubicka <jh@suse.cz>
2865 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2866 to be thrown away soon when IGNORE is set.
2867 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2868 indicating when return value shall not be computed.
2869 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2871 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2873 * config/i386/i386.h (TARGET_GEODE):
2874 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2875 (TARGET_CPU_DEFAULT_geode): New macro.
2876 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2877 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2878 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2879 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2880 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2882 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2883 (processor_type): Add PROCESSOR_GEODE.
2885 * config/i386/i386.md: Include geode.md.
2888 * config/i386/i386.c (geode_cost): New initialized global
2890 (m_GEODE, m_K6_GEODE): New macros.
2891 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2892 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2893 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2894 x86_schedule): Use m_K6_GEODE instead of m_K6.
2895 (x86_movx, x86_cmove): Set up m_GEODE.
2896 (x86_integer_DFmode_moves): Clear m_GEODE.
2897 (processor_target_table): Add entry for geode.
2898 (processor_alias_table): Ditto.
2900 * config/i386/geode.md: New file.
2902 * doc/invoke.texi: Add entry about geode processor.
2904 2006-10-27 Mike Stump <mrs@apple.com>
2906 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2907 __DYNAMIC__ from here back to ...
2908 * config/darwin.h (CPP_SPEC): ... here.
2910 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2911 Nathan Sidwell <nathan@codesourcery.com>
2913 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2914 when choosing the minimum heapsize.
2916 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2918 * gcc/unwind-dw2.h: Move cfa-related variables into
2919 struct frame_state_reg_info to ensure that the CFA is properly
2920 handled when executing DW_CFA_{remember,restore}_state.
2921 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2922 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2923 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2924 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2925 gcc/config/rs6000/linux-unwind.h,
2926 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2927 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2928 Modify to use new cfa_* fields.
2930 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2932 * config/s390/s390.c (s390_init_frame_layout): Check positive
2935 2006-10-26 Ben Elliston <bje@au.ibm.com>
2937 * gimplify.c (get_name): Remove extraneous break.
2938 (gimplify_omp_for): Initialise ret with GS_OK.
2940 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2942 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2943 Add unix98.o to link line.
2945 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2948 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2949 Calculate compile-time constants using MPFR.
2950 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2951 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2953 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2955 * config/xtensa/lib2funcs.S: Use C-style comments.
2957 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2959 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2960 (file_table_relative_p): Likewise.
2961 (dwarf2out_finish): Likewise.
2962 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2964 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2966 * tree-ssa-structalias.c (intra_create_variable_infos):
2967 Don't recreate nonlocal_all if it already exists.
2969 2006-10-25 Richard Guenther <rguenther@suse.de>
2972 * optabs.h (enum optab_index): Remove OTI_lrint.
2973 (enum convert_optab_index): Add COI_lrint.
2974 (lrint_optab): Adjust.
2975 (expand_sfix_optab): Declare.
2976 * optabs.c (expand_sfix_optab): New function.
2977 (init_optabs): Init lrint_optab as conversion optab.
2978 * genopinit.c (lrint_optab): Change to a conversion optab.
2979 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2980 expansion via conversion optab.
2981 * config/i386/i386.md (*fistdi2_1): Remove
2982 flag_unsafe_math_optimizations guard.
2983 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2984 fist<mode>2_with_temp): Likewise.
2985 (lrint<mode>2): Split into...
2986 (lrintxf<mode>2): ... x87 part
2987 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2988 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2989 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2990 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2991 * doc/md.texi (lrintMN2): Document.
2993 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2996 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2997 Use inc and dec instructions for TARGET_USE_INCDEC.
2998 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2999 ("sync_double_compare_and_swap<mode>"): Likewise.
3000 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3001 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3002 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3003 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3004 ("sync_old_add<mode>"): Likewise.
3005 ("sync_lock_test_and_set<mode>"): Likewise.
3006 ("sync_lock_test_and_set<mode>"): Likewise.
3007 ("sync_add<mode>"): Likewise.
3008 ("sync_sub<mode>"): Likewise.
3009 ("sync_ior<mode>"): Likewise.
3010 ("sync_and<mode>"): Likewise.
3011 ("sync_xor<mode>"): Likewise.
3013 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3015 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3016 (remainder_optab): Define corresponding macro.
3017 (drem_optab): Remove.
3018 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3019 drem_optab initialization.
3020 * genopinit.c (optabs): Implement remainder_optab using
3021 remainder?f3 patterns. Remove drem_optab.
3022 * builtins.c (expand_builtin_mathfn_2): Handle
3023 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3024 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3025 expand_builtin_mathfn_2.
3027 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3028 depend on flag_unsafe_math_optimizations.
3030 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3031 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3032 Do not depend on flag_unsafe_math_optimizations. Use
3033 truncxf?f expander instead of truncxf?f_i387_noop.
3035 ("fpremxf4", "fprem1xf4"): Do not depend on
3036 flag_unsafe_math_optimizations.
3037 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3038 flag_unsafe_math_optimizations. Use truncxf?f expander
3039 instead of truncxf?f_i387_noop.
3041 * doc/md.texi (fmod, remainder): Document standard named pattern.
3043 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3044 David Daney <ddaney@avtrex.com>
3047 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3049 2006-10-25 Ben Elliston <bje@au.ibm.com>
3051 * doc/extend.texi (Variable Attributes): Typo fix.
3053 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3055 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3056 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3057 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3058 (FRAME_POINTER_REGNUM): Update register number to 21.
3059 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3060 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3062 * config/i386/i386.c (regclass_map): Add fpcr entry.
3063 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3065 (print_reg): Assert REGNO (x) != FPCR_REG.
3067 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3068 (DIRFLAG_REG): Renumber.
3069 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3070 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3071 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3072 hardcoded SSE register numbers.
3074 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3075 hardcoded MMX register numbers.
3077 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3080 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3081 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3083 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3084 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3085 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3086 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3088 2006-10-24 Richard Guenther <rguenther@suse.de>
3091 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3092 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3093 for deciding optimizations in consistency with fold-const.c
3094 (fold_builtin_unordered_cmp): Likewise.
3096 2006-10-24 Richard Guenther <rguenther@suse.de>
3098 * builtins.c (fold_builtin_floor): Fold floor (x) where
3099 x is nonnegative to trunc (x).
3100 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3101 nonnegative to FIX_TRUNC_EXPR.
3103 2006-10-24 Richard Guenther <rguenther@suse.de>
3105 PR tree-optimization/29567
3106 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3107 for TRUTH_NOT_EXPR. Clarify comments.
3109 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3112 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3113 at compile-time using MPFR. Change parameter VALUE to FUNC,
3115 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3116 for overflow and underflow at all times and avoid folding in
3119 2006-10-24 Ben Elliston <bje@au.ibm.com>
3121 * reload1.c: Formatting fixes.
3123 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3125 PR tree-optimization/14784
3126 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3127 * tree-ssa-structalias.c (get_constraint_for,
3128 intra_create_variable_infos): Set is_heapvar.
3129 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3130 non-heapvar pointer variables specially.
3132 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3135 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3136 fold_builtin_tan): Fold all constant arguments. Take a "type"
3137 argument as necessary.
3138 (do_mpfr_arg1): New.
3139 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3141 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3143 * config/xtensa/lib1funcs.asm: Use C-style comments.
3145 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3147 * tree.c (local_define_builtin): Replace calls to
3148 lang_hooks.builtin_function with add_builtin_function.
3149 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3151 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3153 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3154 common code to add_builtin_function.
3155 * langhooks.c (add_builtin_function): New function.
3156 (lhd_builtin_function): New function.
3157 * langhooks.h (struct lang_hooks): Change the signature of
3159 (add_builtin_function): New function.
3160 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3161 calls to lang_hooks.builtin_function with add_builtin_function.
3162 * c-common.c (decl_builtin_1): Replace calls to
3163 lang_hooks.builtin_function with add_builtin_function.
3164 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3165 lang_hooks.builtin_function with add_builtin_function.
3166 * config/frv/frv.c (def_builtin): Replace calls to
3167 lang_hooks.builtin_function with add_builtin_function.
3168 * config/s390/s390.c (s390_init_builtins): Replace calls to
3169 lang_hooks.builtin_function with add_builtin_function.
3170 * config/sparc/sparc.c (def_builtin): Replace calls to
3171 lang_hooks.builtin_function with add_builtin_function.
3172 * config/i386/i386.c (def_builtin): Replace calls to
3173 lang_hooks.builtin_function with add_builtin_function.
3174 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3175 lang_hooks.builtin_function with add_builtin_function.
3176 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3177 lang_hooks.builtin_function with add_builtin_function.
3178 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3179 Replace calls to lang_hooks.builtin_function with
3180 add_builtin_function.
3181 * config/iq2000/iq2000.c (def_builtin):
3182 Replace calls to lang_hooks.builtin_function with
3183 add_builtin_function.
3184 * config/ia64/ia64.c (def_builtin): Replace calls to
3185 lang_hooks.builtin_function with add_builtin_function.
3186 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3187 lang_hooks.builtin_function with add_builtin_function.
3188 (altivec_init_builtins): Replace calls to
3189 lang_hooks.builtin_function with add_builtin_function.
3190 * config/arm/arm.c (def_mbuiltin): Replace calls to
3191 lang_hooks.builtin_function with add_builtin_function.
3192 (arm_init_tls_builtins): Replace calls to
3193 lang_hooks.builtin_function with add_builtin_function.
3194 * config/mips/mips.c (mips_init_builtins): Replace calls to
3195 lang_hooks.builtin_function with add_builtin_function.
3196 * config/bfin/bfin.c (def_builtin): Replace calls to
3197 lang_hooks.builtin_function with add_builtin_function.
3198 * langhooks-def.h (lhd_builtin_function): New function.
3199 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3201 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3203 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3204 BUILT_IN_STRNCAT_CHK.
3206 2006-10-23 Jan Hubicka <jh@suse.cz>
3208 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3209 don't do conversion from memmove to memcpy here.
3210 (expand_builtin_bcopy, expand_builtin): Update call of
3211 expand_builtin_memmove.
3212 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3214 2006-10-23 Paul Brook <paul@codesourcery.com>
3216 * stor-layout.c (start_record_layout): maximum_field_alignment
3217 overrides STRUCTURE_SIZE_BOUNDARY.
3219 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3221 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3222 nonlocal function symbols if flag_pic.
3224 2006-10-23 Richard Guenther <rguenther@suse.de>
3228 * builtins.c (fold_binary): Remove checks for flag_wrapv
3229 and flag_trapv where negate_expr_p covers these cases.
3231 2006-10-23 Richard Guenther <rguenther@suse.de>
3234 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3235 of two on the absolute value.
3236 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3237 and negating -C does not overflow.
3239 2006-10-23 Richard Guenther <rguenther@suse.de>
3242 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3243 only if not flag_rounding_math.
3245 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3246 Kaz Kojima <kkojima@gcc.gnu.org>
3249 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3250 SImode memory reference for the source of a movua.
3251 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3252 (movua): Use an unspec instead of sign_extract. Expect the source
3253 to have mode BLKmode.
3254 (extv, insv): Use a BLKmode rather than SImode memory reference
3255 for the source of a movua.
3257 2006-10-22 Jeff Law <law@redhat.com>
3258 Richard Guenther <rguenther@suse.de>
3260 PR tree-optimization/15911
3261 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3262 (register_edge_assert_for_1): Likewise.
3263 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3264 (find_conditional_asserts): Adjust for new function signature.
3265 (find_assert_locations): Likewise.
3267 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3269 * config/i386/tmmintrin.h: Remove the duplicated content.
3271 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3273 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3274 (x86_64-*-*): Likewise.
3276 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3277 (override_options): Check SSSE3.
3278 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3279 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3280 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3281 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3282 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3283 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3284 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3285 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3286 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3287 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3288 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3289 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3290 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3291 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3292 IX86_BUILTIN_PABSD128.
3293 (bdesc_2arg): Add SSSE3.
3294 (bdesc_1arg): Likewise.
3295 (ix86_init_mmx_sse_builtins): Support SSSE3.
3296 (ix86_expand_builtin): Likewise.
3297 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3299 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3300 (UNSPEC_PSIGN): Likewise.
3301 (UNSPEC_PALIGNR): Likewise.
3302 Include mmx.md before sse.md.
3304 * config/i386/i386.opt: Add -mssse3.
3306 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3307 (ssse3_phaddwv4hi3): Likewise.
3308 (ssse3_phadddv4si3): Likewise.
3309 (ssse3_phadddv2si3): Likewise.
3310 (ssse3_phaddswv8hi3): Likewise.
3311 (ssse3_phaddswv4hi3): Likewise.
3312 (ssse3_phsubwv8hi3): Likewise.
3313 (ssse3_phsubwv4hi3): Likewise.
3314 (ssse3_phsubdv4si3): Likewise.
3315 (ssse3_phsubdv2si3): Likewise.
3316 (ssse3_phsubswv8hi3): Likewise.
3317 (ssse3_phsubswv4hi3): Likewise.
3318 (ssse3_pmaddubswv8hi3): Likewise.
3319 (ssse3_pmaddubswv4hi3): Likewise.
3320 (ssse3_pmulhrswv8hi3): Likewise.
3321 (ssse3_pmulhrswv4hi3): Likewise.
3322 (ssse3_pshufbv16qi3): Likewise.
3323 (ssse3_pshufbv8qi3): Likewise.
3324 (ssse3_psign<mode>3): Likewise.
3325 (ssse3_psign<mode>3): Likewise.
3326 (ssse3_palignrti): Likewise.
3327 (ssse3_palignrdi): Likewise.
3328 (abs<mode>2): Likewise.
3329 (abs<mode>2): Likewise.
3331 * config/i386/tmmintrin.h: New file.
3333 * doc/extend.texi: Document SSSE3 built-in functions.
3335 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3337 2006-10-22 Ira Rosen <irar@il.ibm.com>
3339 * tree-vect-transform.c (vectorizable_load): Use the type of the
3340 return value of the mask_for_load builtin to create realign_load
3343 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3345 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3348 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3350 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3351 (UNSPEC_LDDQU): This.
3352 * config/i386/sse.md (sse3_lddqu): Updated.
3354 2006-10-21 Richard Guenther <rguenther@suse.de>
3356 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3357 (expand_builtin): Use it to expand lrint instead of
3358 expand_builtin_mathfn.
3360 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3363 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3364 flag_unsafe_math_optimizations is set.
3366 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3369 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3370 patterns to use memory input operand in x87->mem->XMM
3371 reload sequences. Skip transformation for TARGET_K8.
3373 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3375 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3376 force operand1 to register if both operands are memory operands.
3377 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3378 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3379 if both operands are memory operands.
3380 (truncdfsf2): Do not force operand1 to register if both operands
3381 are memory operands.
3383 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3385 * Makefile.in (LIBS): Add $(GMPLIBS).
3386 * doc/install.texi: Update GMP and MPFR requirements.
3387 * doc/sourcebuild.texi (need_gmp): Delete.
3389 2006-10-21 Richard Guenther <rguenther@suse.de>
3391 PR tree-optimization/3511
3392 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3393 got new invariant arguments during PHI translation.
3395 2006-10-21 Richard Guenther <rguenther@suse.de>
3398 * fold-const.c (fold_comparison): Fold signed comparisons
3399 of the form X +- C1 CMP Y +- C2.
3401 2006-10-21 Richard Guenther <rguenther@suse.de>
3404 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3405 if flag_unsafe_math_optimizations is specified. We have
3406 flag_finite_math_only for that.
3407 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3408 or flag_unsafe_math_optimizations.
3410 2006-10-21 Richard Guenther <rguenther@suse.de>
3412 * builtins.c (fold_builtin_classify): Fix typo.
3414 2006-10-21 Richard Guenther <rguenther@suse.de>
3417 * simplify-rtx.c (simplify_const_relational_operation):
3418 Do not constant-fold ORDERED and UNORDERED for
3419 flag_unsafe_math_optimizations but only we do not need to
3420 honor NaNs for the given mode.
3422 2006-10-21 Richard Guenther <rguenther@suse.de>
3425 * config/i386/i386.c (classify_argument): Remove redundant
3426 walking of the BINFOs.
3427 (contains_128bit_aligned_vector_p): Likewise.
3429 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3431 * BASE-VER: Set to 4.3.0.
3433 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3435 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3436 (tree_decl_with_vis): Remove artificial_pta_var flag.
3437 * tree-flow.h (referenced_var_check_and_insert): Expose.
3438 (nonlocal_all): New prototype.
3439 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3440 (nonlocal_all): Make global.
3441 (nonlocal_lookup): Remove.
3442 (nonlocal_insert): Ditto.
3443 (create_nonlocal_var): Do not call nonlocal_insert.
3444 (get_nonlocal_id_for_type): Remove.
3445 (find_global_initializers): Mark new vars we find for renaming.
3446 (intra_create_variable_infos): Only create one nonlocal.
3447 (expand_nonlocal_solutions): Remove.
3448 (compute_points_to_sets): Don't call it.
3449 (ipa_pta_execute): Ditto.
3450 (init_alias_heapvars): Don't create nonlocal_for_type.
3451 (delete_alias_heapvars): Don't remove it.
3452 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3455 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3457 * doc/install.texi (Downloading GCC): Clarify mention of
3458 Fortran in the "full distribution" description.
3460 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3462 Fix PR tree-optimization/28778
3463 Fix PR tree-optimization/29156
3464 Fix PR tree-optimization/29415
3465 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3466 (tree_decl_with_vis): Add artificial_pta_var flag.
3467 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3468 pushed into callers.
3469 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3470 (nonlocal_all): Ditto.
3471 (struct variable_info): Add directly_dereferenced member.
3472 (var_escaped_vars): New variable.
3473 (escaped_vars_tree): Ditto.
3474 (escaped_vars_id): Ditto.
3475 (nonlocal_vars_id): Ditto.
3476 (new_var_info): Set directly_dereferenced.
3477 (graph_size): New variable
3478 (build_constraint_graph): Use graph_size.
3479 (solve_graph): Don't process constraints that cannot change the
3480 solution, don't try to propagate an empty solution to our
3482 (process_constraint): Set directly_dereferenced.
3483 (could_have_pointers): New function.
3484 (get_constraint_for_component_ref): Don't process STRING_CST.
3485 (nonlocal_lookup): New function.
3486 (nonlocal_insert): Ditto.
3487 (create_nonlocal_var): Ditto.
3488 (get_nonlocal_id_for_type): Ditto.
3489 (get_constraint_for): Allow results vector to be empty in the case
3490 of string constants.
3491 Handle results of calls properly.
3492 (update_alias_info): Update alias info stats on number and type of
3494 (find_func_aliases): Use could_have_pointers.
3495 (make_constraint_from_escaped): Renamed from
3496 make_constraint_to_anything, and changed to make constraints from
3498 (make_constraint_to_escaped): New function.
3499 (find_global_initializers): Ditto.
3500 (create_variable_info_for): Make constraint from escaped to any
3501 global variable, and from any global variable to the set of
3503 (intra_create_variable_infos): Deal with escaped instead of
3504 pointing to anything.
3505 (set_uids_in_ptset): Do type pruning on directly dereferenced
3507 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3508 (init_base_vars): Fix comment, and initialize escaped_vars.
3509 (need_to_solve): Removed.
3510 (find_escape_constraints): New function.
3511 (expand_nonlocal_solutions): Ditto.
3512 (compute_points_to_sets): Call find_escape_constraints and
3513 expand_nonlocal_solutions.
3514 (delete_points_to_sets): Don't fall off the end of the graph.
3515 (init_alias_heapvars): Initialize nonlocal_for_type and
3517 (delete_alias_heapvars): Free nonlocal_for_type and null out
3520 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3522 * fold-const.c (add_double): Rename to add_double_with_sign.
3523 Add 'unsigned_p' parameter and take it into account for the overflow.
3524 (mul_double): Rename to mul_double_with_sign.
3525 Add 'unsigned_p' parameter and take it into account for the overflow.
3526 (fold_div_compare): Call add_double_with_sign instead of add_double
3527 and mul_double_with_sign instead of mul_double, passing them the
3528 unsignedness of the type.
3529 * tree.h (add_double): Macroize.
3530 (add_double_with_sign): New prototype.
3531 (mul_double): Macroize.
3532 (mul_double_with_sign): New prototype.
3534 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3536 * config/score/crti.asm: New file.
3537 * config/score/crtn.asm: New file.
3538 * config/score/elf.h: New file.
3539 * config/score/mac.md: New file.
3540 * config/score/misc.md: New file.
3541 * config/score/mul-div.S: New file.
3542 * config/score/predicates.md: New file.
3543 * config/score/score7.md: New file.
3544 * config/score/score.c: New file.
3545 * config/score/score-conv.h: New file.
3546 * config/score/score.h: New file.
3547 * config/score/score.md: New file.
3548 * config/score/score-mdaux.c: New file.
3549 * config/score/score-mdaux.h: New file.
3550 * config/score/score-modes.def: New file.
3551 * config/score/score.opt: New file.
3552 * config/score/score-protos.h: New file.
3553 * config/score/score-version.h: New file.
3554 * config/score/t-score-elf: New file.
3555 * config.gcc: Add score*-*-* configurations(Update before).
3556 * doc/invoke.texi (Score Options): New section.
3557 * doc/md.texi (Score family): New section to document constraints.
3559 2006-10-19 Nick Clifton <nickc@redhat.com>
3561 * config/arm/arm.c: Fix spelling typo.
3563 2006-10-18 Tom Tromey <tromey@redhat.com>
3565 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3567 2006-10-18 Jan Hubicka <jh@suse.cz>
3570 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3573 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3575 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3576 TSI_SAME_STMT, since that's the desired entity.
3578 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3580 * config/s390/contraints.md: New file.
3581 * config/s390/s390-protos.h (s390_mem_constraint,
3582 s390_O_constraint_str, s390_N_constraint_str,
3583 s390_float_const_zero_p): Function prototypes added.
3584 * config/s390/s390.c (s390_extra_constraint_str,
3585 s390_const_double_ok_for_constraint_p,
3586 s390_const_ok_for_constraint_p): Functions removed.
3587 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3588 s390_float_const_zero_p): New functions.
3589 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3590 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3591 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3592 Macro definitions removed.
3593 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3594 s390_extra_constraint_str): Functions removed.
3596 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3597 Richard Sandiford <richard@codesourcery.com>
3600 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3601 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3603 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3605 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3606 (DWARF2_FRAME_REG_OUT): Likewise.
3607 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3608 (DWARF2_FRAME_REG_OUT): Likewise.
3610 2006-10-17 Paul Brook <paul@codesourcery.com>
3612 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3614 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3616 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3617 Standardize on "GNU Fortran" as the official name of the Fortran
3620 2006-10-16 Mike Stump <mrs@apple.com>
3622 * doc/invoke.texi (Darwin Options): Document -mkernel.
3623 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3625 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3626 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3627 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3628 (OS_MISSING_ALTIVEC): Add.
3629 * config/i386/i386.c (override_options): Add
3630 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3631 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3632 -mkernel, -static or -mdynamic-no-pic is given.
3633 (C_COMMON_OVERRIDE_OPTIONS): Add.
3634 * config/darwin.opt (fapple-kext): Add.
3636 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3637 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3639 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3640 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3641 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3642 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3643 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3644 (flag_mkernel): Add.
3645 (flag_apple_kext): Add.
3646 (TARGET_KEXTABI): Add.
3647 * config/darwin.c (darwin_handle_kext_attribute): Add.
3648 (DARWIN_VTABLE_P): Add.
3649 (darwin_binds_local_p): Add partial support for rebinding vtables
3651 (darwin_kextabi_p): Add.
3652 (darwin_override_options): Add.
3653 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3654 (darwin_kextabi_p): Add.
3655 (darwin_override_options): Add.
3656 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3657 __DYNAMIC__ and __STATIC__ here.
3659 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3661 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3662 Added mention of "make pdf" target, and Texinfo requirements for
3665 2006-10-16 DJ Delorie <dj@redhat.com>
3667 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3668 into the GOT in case we need a subreg of the address.
3670 2006-10-16 Richard Guenther <rguenther@suse.de>
3673 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3674 SSE builtin documentation. Document SSE2 builtins.
3676 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3678 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3679 symbol in the output file for non-shared links when -nostdlib or
3680 -nodefaultlibs isn't specified.
3682 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3683 posix thread support.
3685 2006-10-15 Jan Hubicka <jh@suse.cz>
3688 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3689 declared always_inline even when not inlining.
3691 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3692 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3693 Andrew Pinski <pinskia@gmail.com>
3696 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3698 2006-10-15 Jan Hubicka <jh@suse.cz>
3699 Richard Guenther <rguenther@suse.de>
3702 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3703 process_function_and_variable_attributes on all variables, including
3704 those discovered during cgraph construction phase.
3706 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3708 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3710 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3712 * config/i386/athlon.md (athlon_fist): Add fisttp.
3714 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3715 Ian Lance Taylor <ian@airs.com>
3718 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3719 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3722 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3724 * config/score/score.c, config/score/score.h: Fix comment
3727 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3730 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3733 2006-10-13 Eric Christopher <echristo@apple.com>
3735 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3737 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3740 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3741 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3742 alignment supported by 32-bit ELF.
3744 2006-10-13 Eric Christopher <echristo@apple.com>
3746 * config/darwin.c (darwin_emit_unwind_label): Strip
3747 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3749 2006-10-13 Richard Guenther <rguenther@suse.de>
3751 PR tree-optimization/29446
3752 * tree-vrp.c (fix_equivalence_set): Remove.
3753 (extract_range_from_assert): Do not call fix_equivalence_set.
3754 (debug_value_range): Print a newline.
3755 (compare_name_with_value): For equivalence sets with
3756 inconsistent value ranges conservatively bail out.
3757 (compare_names): Likewise.
3759 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3761 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3762 and MPFR for gfortran.
3764 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3766 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3767 alignment supported by 32-bit ELF.
3769 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3773 * c-typeck.c (digest_init): Always allow initializing vectors
3774 that have static storage duration with compound literals.
3775 * tree.c (build_type_attribute_qual_variant): New, based on
3776 build_type_attribute_variant.
3777 (build_type_attribute_variant): Rewrite using the former.
3778 (make_vector_type): Use build_type_attribute_qual_variant to build
3779 type variants. Use type_hash_canon on the others.
3781 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3782 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3784 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3786 2006-10-12 Jan Hubicka <jh@suse.cz>
3789 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3790 current_function_decl is set but current_function_scope is not.
3792 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3794 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3795 emit_insn to emit eh_return_internal instruction.
3796 (eh_return_internal): Explicitly set pc.
3798 2006-10-11 Richard Guenther <rguenther@suse.de>
3800 PR tree-optimization/28230
3801 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3802 to the correct place.
3804 2006-10-11 Richard Guenther <rguenther@suse.de>
3807 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3810 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3812 * configure.ac: Added pdf to "Make-hooks"
3813 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3814 targets and *.pdf file patterns in cleanup targets.
3815 * configure: Regenerated.
3817 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3819 * config/avr/predicates.md: New file.
3820 * config/avr/avr.md: Include it.
3821 (REG_SP): New constant.
3822 (peepholes): Use predicates.
3823 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3824 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3825 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3827 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3829 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3832 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3835 * builtins.c (var_decl_component_p): New function.
3836 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3837 single entry optimization to variables and components thereof.
3839 2006-10-10 Richard Guenther <rguenther@suse.de>
3841 PR rtl-optimization/29323
3842 * except.c (set_nothrow_function_flags): For functions
3843 that do not bind local bail out early.
3845 2006-10-10 Ben Elliston <bje@au.ibm.com>
3847 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3850 2006-10-09 Richard Henderson <rth@redhat.com>
3852 Revert emutls patch.
3854 2006-10-09 Richard Guenther <rguenther@suse.de>
3857 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3860 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3863 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3864 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3865 * configure: Regenerate.
3866 * config.in: Regenerate.
3868 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3870 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3872 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3874 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3875 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3876 Remove stray newline.
3878 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3880 * config/mips/mips.c (mips_classify_symbol): Do not return
3881 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3882 (mips_in_small_data_p): Tweak comments.
3884 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3886 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3888 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3890 * gimplify.c, sched-int.h: Fix comment typos.
3892 * sched-int.h: Fix comment typos.
3894 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3896 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3898 * sched-ebb.c (begin_schedule_ready): Use them.
3899 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3900 add_to_speculative_block, create_check_block_twin, speculate_insn,
3901 fix_jump_move, move_block_after_check): Ditto.
3902 * sched-rgn.c (new_ready): Ditto.
3904 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3906 PR rtl-optimization/29128
3907 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3908 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3909 allow interblock movement of speculation checks.
3911 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3914 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3915 casted to integer type.
3916 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3917 if they are significantly more expensive than [reg + index] ones.
3919 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3921 PR tree-optimization/29330
3922 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3923 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3924 on newly allocated ddrs.
3925 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3926 to VEC (loop_p, heap) pointer.
3927 (compute_data_dependences_for_loop): Adjust caller.
3928 (free_dependence_relations): Free DDR_LOOP_NEST.
3930 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3931 free DEPENDENCE_RELATIONS and DATAREFS.
3934 * builtins.c (expand_builtin_sync_operation,
3935 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3936 Use convert_to_mode to handle promoted arguments.
3938 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3940 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3942 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3944 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3946 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3948 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3949 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3950 Use <modeconstraint> instead of "r" as operand 1 constraint.
3952 2006-10-06 Olivier Hainque <hainque@adacore.com>
3954 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3955 Don't recurse on the pointed-to type.
3956 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3957 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3958 types with components of variable size.
3960 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3962 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3964 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3966 PR tree-optimization/29290
3967 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3971 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3972 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3975 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3976 the number of vector elements fill the rest with zeros.
3978 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3980 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3981 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3984 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3986 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3987 unnamed pattern into subsi3. Use correct constraints/predicates.
3988 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3989 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3991 2006-10-05 Ira Rosen <irar@il.ibm.com>
3993 * doc/loop.texi: Add data references analysis description.
3995 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3997 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3999 2006-10-04 Richard Henderson <rth@redhat.com>
4000 Jakub Jelinek <jakub@redhat.com>
4002 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4003 * builtin-types.def (BT_WORD): Make unsigned.
4004 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4005 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4006 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4007 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4008 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4009 * cgraph.c (decide_is_variable_needed): Look at force_output.
4010 Recurse for emulated tls.
4011 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4012 checks redundant with decide_is_variable_needed.
4013 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4014 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4016 * expr.c (emutls_var_address): New.
4017 (expand_expr_real_1): Expand emulated tls.
4018 (expand_expr_addr_expr_1): Likewise.
4019 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4020 * output.h (emutls_finish): Declare.
4021 * toplev.c (compile_file): Call it.
4022 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4023 address before wrapping in CONST.
4024 * varasm.c (emutls_htab, emutls_object_type): New.
4025 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4026 (get_emutls_object_name, get_emutls_object_type): New.
4027 (get_emutls_init_templ_addr, emutls_decl): New.
4028 (emutls_common_1, emutls_finish): New.
4029 (assemble_variable): When emulating tls, swap decls; generate
4030 constructor for the emutls objects.
4031 (do_assemble_alias): When emulating tls, swap decl and target name.
4032 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4034 * emutls.c: New file.
4035 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4036 tls_object for real tls.
4038 2006-10-04 Zack Weinberg <zackw@panix.com>
4040 Fix bug in constraint-check generator, reported by Rask Ingemann
4042 * genpreds.c (add_constraint): Don't remove anything from the
4044 (write_tm_constrs_h): Detect whether "op" argument is used, and
4045 mark it ARG_UNUSED if it isn't.
4046 (write_insn_const_int_ok_for_constraint): Skip the part of the
4047 expression that would test whether "op" (which is not available
4048 here) is a CONST_INT.
4050 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4053 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4055 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4057 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4058 current Leopard versions.
4059 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4061 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4063 * doc/install.texi: Fix typos.
4065 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4067 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4068 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4069 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4071 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4073 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4074 arg to be struct mach_header_64* instead.
4076 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4079 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4080 side effects after the outer expression's post side effects.
4082 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4084 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4085 comments to reflect actual behavior and relationship between
4086 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4088 * doc/c-tree.texi (Working with declarations): Fix documentation
4089 of FIELD_DECL likewise.
4091 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4094 * doc/extend.texi: Add used variable attribute description.
4096 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4099 * c.opt (Woverride-init): New.
4100 * c-opts.c (c_common_post_options): Default warn_override_init to
4102 * c-typeck.c (add_pending_init, output_init_element): Warn for
4103 overriding initializers without side effects.
4104 * doc/invoke.texi (-Woverride-init): Document.
4107 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4109 PR rtl-optimization/28096
4110 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4111 assignment has already been used as a destination earlier in the block.
4113 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4115 * builtins.c (expand_builtin_setjmp): Delete.
4116 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4117 <BUILT_IN_SETJMP_SETUP>: New case.
4118 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4119 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4120 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4121 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4122 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4123 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4124 (lower_function_body): Initialize it to false. If it is set to true
4125 at the end of the processing, emit the setjmp dispatcher.
4126 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4127 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4128 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4129 on the rhs of the assignment.
4130 (lower_builtin_setjmp): New function.
4131 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4132 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4133 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4134 to detect calls that can go to non-local labels. Use specific
4135 helper to create the abnormal edges associated with them.
4136 <MODIFY_EXPR>: Likewise.
4137 (make_abnormal_goto_edges): New function extracted from...
4138 (make_goto_expr_edges): ...here. Call it for computed gotos.
4139 (simple_goto_p): Minor tweak.
4140 (tree_can_make_abnormal_goto): New predicate.
4141 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4142 (tree_purge_dead_abnormal_call_edges): New function.
4143 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4144 (tree_purge_dead_abnormal_call_edges): Likewise.
4145 (make_abnormal_goto_edges): Likewise.
4146 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4147 Purge all dead abnormal edges if the call was in the last statement.
4148 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4149 (execute_fixup_cfg): If there are non-local labels in the function,
4150 scan the basic blocks and split them at calls that can go to non-local
4151 labels or add missing abnormal call edges. Write down the CFG in the
4153 (pass_fixup_cfg): Remove TODO_dump_func flag.
4154 * unwind-sjlj.c: Poison setjmp.
4155 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4156 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4157 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4158 (DONT_USE_BUILTIN_SETJMP): Document it.
4160 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4163 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4164 to 1 when __ppc64__ is defined.
4165 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4167 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4169 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4171 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4172 * config/ia64/unwind-hpux.c: Delete.
4174 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4176 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4177 on the element before gimplifying it, instead of punting if it is of
4180 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4182 * doc/loop.texi: New file.
4183 * doc/gccint.texi: Reference loop.texi.
4184 * Makefile.in (loop.texi): Add.
4186 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4188 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4190 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4191 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4193 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4195 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4197 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4199 * doc/install.texi: Document required versions of GMP and MPFR.
4201 2006-09-27 Paul Brook <paul@codesourcery.com>
4204 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4206 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4208 * reload1.c (alter_reg): Require the alignment of the stack slot to
4209 be at least reg_max_ref_width bytes.
4210 (scan_paradoxical_subregs): Record the largest width in
4213 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4217 * tree-nested.c (struct nesting_info): Added static_chain_added.
4218 (convert_call_expr): Set static_chain_added when adding static
4219 chain. Handle OMP_PARALLEL and OMP_SECTION.
4221 2006-09-25 Matthias Klose <doko@debian.org>
4223 * doc/invoke.texi: Add missing full stop.
4225 2006-09-25 Richard Henderson <rth@redhat.com>
4227 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4228 before cgraph_function_flags_ready.
4230 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4231 Adam Nemet <anemet@caviumnetworks.com>
4233 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4234 determine_common_wider_type): New functions.
4235 (get_computation_aff): Use them to simplify arithmetic between
4236 UBASE and CBASE if they are shortened from the same type.
4238 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4241 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4242 -2147483647 - 1 instead of 0x80000000.
4244 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4246 * flags.h (HONOR_NANS): Fix typo in comment.
4248 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4250 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4252 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4256 * tree.c (merge_attributes, attribute_list_contained): If both
4257 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4259 * c-typeck.c (comptypes_internal): Don't consider aggregates
4260 in different TUs as compatible if there one set of attributes is
4261 not a subset of the other type's attributes.
4262 (composite_type): Try harder not to create a new aggregate type.
4264 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4266 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4267 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4268 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4269 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4270 than replicating condition above.
4271 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4273 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4274 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4275 the linker by default.
4277 2006-09-22 Mike Stump <mrs@apple.com>
4279 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4282 2006-09-22 Richard Guenther <rguenther@suse.de>
4285 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4286 sort of stack variables stable.
4288 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4291 * explow.c (force_reg): Set REG_POINTER flag according to
4294 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4296 PR tree-optimization/28888
4297 * tree-if-conv.c (combine_blocks): Rewritten.
4298 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4299 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4301 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4303 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4306 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4308 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4310 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4312 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4314 2006-09-21 Roger Sayle <roger@eyesopen.com>
4317 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4318 dw_fde_current_label, to be the start of the function, i.e. the same
4319 value as dw_fde_begin.
4321 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4323 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4324 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4325 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4326 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4327 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4328 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4329 (abs<mode>2, neg<mode>2): Likewise.
4330 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4331 (*mips_abs_ps): New define_insn.
4333 2006-09-20 Josh Conner <jconner@apple.com>
4336 * calls.c (expand_call): Allow reuse of structure return stack
4339 2006-09-20 Paul Brook <paul@codesourcery.com>
4341 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4344 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4346 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4347 clean up terminology.
4349 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4352 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4353 with tablejumps in them.
4355 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4358 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4359 wrap it into TARGET_EXPR.
4361 2006-09-20 Eric Christopher <echristo@apple.com>
4363 * config/i386/i386.c (x86_fisttp): Remove.
4364 * config/i386/i386.h (x86_fisttp): Ditto.
4365 (TARGET_FISTTP): Ditto.
4367 2006-09-19 Eric Christopher <echristo@apple.com>
4369 * doc/tm.texi (OBJC_JBLEN): Describe.
4370 * config/i386/darwin.h (OBJC_JBLEN): Define.
4371 * config/rs6000/darwin.h: Ditto.
4373 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4375 PR rtl-optimization/21299
4376 * reload1.c (reload): Purge invalid ASMs in the final pass.
4378 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4381 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4382 pointers as legitimate constants.
4384 2006-09-19 Paul Brook <paul@codesourcery.com>
4387 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4389 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4391 PR tree-optimization/28887
4392 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4393 component parts from the reference.
4394 (gather_memory_references_ref): Record the reference without the
4395 nonaddressable component parts.
4397 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4400 * c-opts.c (c_common_handle_option): Ignore the -std options
4401 if the input language is assembly.
4403 2006-09-17 Ira Rosen <irar@il.ibm.com>
4406 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4408 (ptr_ptr_may_alias_p): Likewise.
4409 (record_record_differ_p): New function.
4410 (base_object_differ_p): Call record_record_differ_p.
4412 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4415 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4416 away for the expr argument.
4418 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4421 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4422 before using it for dumping after vectorizing loops.
4424 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4425 Jack Howarth <howarth@bromo.med.uc.edu>
4428 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4429 skip on error_mark_node.
4430 (rs6000_darwin64_record_arg_recurse): Likewise.
4432 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4434 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4435 * doc/rtl.texi: Remove related documentation.
4437 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4439 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4442 2006-09-15 Jim Wilson <wilson@specifix.com>
4444 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4445 Handle symbol offsets same as they are handled in ia64_expand_move
4448 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4450 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4451 Add forgotten parameter to the fprintf call.
4453 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4455 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4457 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4459 * doc/contrib.texi: Add my entry.
4461 2006-09-15 Nick Clifton <nickc@redhat.com>
4463 * doc/md.texi (Processor pipeline description): Fix typo in
4464 example of how to use the absence_set directive and reword the
4465 description to make it slightly easier to read.
4467 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4469 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4470 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4471 expanding the number of iterations.
4472 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4474 * cfgrtl.c (emit_insn_at_entry): New function.
4475 * rtl.h (emit_insn_at_entry): Declare it.
4476 * integrate.c (emit_initial_value_sets): Use it.
4478 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4480 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4482 (struct loop_work and related VEC declarations): Delete.
4483 (bfin_dump_loops): Print out new member bad.
4484 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4485 (bfin_scan_loop): Don't recurse.
4486 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4487 loops. No longer need to update outer loops if the current one is
4488 found bad. Move some validitiy checks to bfin_discover_loop.
4489 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4490 but changed not to check for nesting. Also changed to use the new bad
4492 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4493 time. Use bitmap based test to discover loop nesting.
4495 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4497 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4500 2006-09-14 Richard Guenther <rguenther@suse.de>
4501 Kazu Hirata <kazu@codesourcery.com>
4503 PR middle-end/28884.
4504 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4505 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4506 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4507 with TARGET_FUNCTION_VALUE.
4509 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4512 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4514 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4516 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4519 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4522 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4525 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4527 * basic_block.h (bb_has_eh_pred): Fix comment.
4529 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4531 * flow.c (calculate_global_regs_live): Invalidate eh registers
4532 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4533 (propagate_block): Handle eh registers as if they were set at basic
4535 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4537 * global.c (global_conflicts): Make eh registers to conflict with
4538 pseudos live at basic block begin.
4539 * basic_block.h (bb_has_eh_pred): New function.
4541 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4543 PR rtl-optimization/28982
4544 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4545 index of a PRE_MODIFY or POST_MODIFY address.
4546 * reload1.c (inc_for_reload): Use find_replacement on the original
4547 base and index registers.
4549 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4551 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4552 for -Os. Update __m128 alignment requirement.
4554 2006-09-13 Jan Hubicka <jh@suse.cz>
4556 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4558 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4560 PR rtl-optimization/28243
4561 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4562 the insn to which the note was originally attached.
4564 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4565 Roger Sayle <roger@eyesopen.com>
4567 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4568 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4569 on platforms that don't use dwarf for debug info.
4571 2006-09-12 Jason Merrill <jason@redhat.com>
4574 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4575 hard_frame_pointer_rtx after using it to update the frame pointer.
4577 2006-09-12 Roger Sayle <roger@eyesopen.com>
4579 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4580 (TARGET_ASM_CLOSE_PAREN): Likewise.
4581 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4582 (TARGET_ASM_CLOSE_PAREN): Likewise.
4584 2006-09-12 Roger Sayle <roger@eyesopen.com>
4587 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4588 frame information for frames larger than 512 Kbytes on Tru64 when
4589 using the native assembler.
4591 2006-09-12 Roger Sayle <roger@eyesopen.com>
4595 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4596 and symbols. Instead use the implementation from cse.c's hash_rtx.
4598 2006-09-12 Jan Hubicka <jh@suse.cz>
4600 PR rtl-optimization/28071
4601 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4602 (vect_transform_loop): Likewise.
4603 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4604 (new_loop_vec_info): Likewise.
4605 (destroy_loop_vec_info): Likewise.
4606 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4607 (create_stmt_ann): Likewise.
4608 (create_tree_ann): Rename to ...
4609 (create_tree_common_ann): ... this one; allocate only the common part
4611 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4612 (get_value_handle): Likewise.
4613 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4614 get_tree_common_ann.
4615 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4616 (vinfo_for_stmt): Use stmt annotations.
4617 * tree-flow.h (tree_ann_common_t): New type.
4618 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4619 (tree_ann, get_tree_ann, create_tree_ann): New.
4620 * tree-flow-inline.h (get_function_ann): Do more type checking.
4621 (stmt_ann): Likewise.
4622 (tree_ann): Rename to ...
4623 (tree_common_ann): ... this one; return ony common_ann
4624 (get_tree_ann): Rename to ...
4625 (tree_common_ann): This one; return only common_ann.
4626 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4629 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4631 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4632 with_cpu by default.
4634 * dwarf2out.c (dwarf_file_data): New.
4635 (enum dw_val_class): Add dw_val_class_file.
4636 (struct dw_val_struct): Add val_file.
4637 (file_table): Change to a hash table.
4638 (file_table_emitted): Delete.
4639 (file_table_last_lookup_index): Delete.
4640 (emitcount): Delete.
4641 (last_emitted_file): New.
4642 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4643 (init_file_table): Delete.
4644 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4645 (AT_addr): Add comment.
4649 (print_die): Handle dw_val_class_file.
4650 (print_dwarf_line_table): Update for new file table structure.
4651 (attr_checksum): Do checksum a filename.
4652 (same_dw_val_p, same_attr_p): Do compare a filename.
4653 (size_of_die): Handle dw_val_class_file.
4654 (value_format): Likewise.
4655 (output_die): Likewise. Also, call maybe_emit_file here.
4656 (struct file_info): Constify filenames. Make file_idx a pointer
4657 to a struct dwarf_file_data.
4658 (struct dir_info): Constify directory names. Remove 'used' field.
4659 (struct file_name_acquire_data): New.
4660 (file_name_acquire): New.
4661 (output_file_names): Modify to handle new file data structures.
4662 (add_src_coords_attributes): Use add_AT_file.
4663 (add_call_src_coords_attributes): Likewise.
4664 (dwarf2out_imported_module_or_decl): Likewise.
4665 (gen_subprogram_die): Modify for new file data structures.
4666 (gen_variable_die): Likewise.
4667 (file_table_eq): New.
4668 (file_table_hash): New.
4669 (file_table_last_lookup): New.
4670 (lookup_filename): Rewrite to handle new file data structures.
4671 (maybe_emit_file): Rewrite to handle new file data structures.
4672 (dwarf2out_source_line): Always call lookup_filename and
4674 (dwarf2out_init): Create file_table here.
4675 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4676 (file_table_relative_p): New.
4677 (dwarf2out_finish): Change detection of relative filenames
4678 to work with new file data structures. Move output_line_info call
4679 after debug_info output.
4681 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4686 * config/i386/i386.c (override_options): Always default to 16
4687 byte stack boundary.
4689 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4692 * var-tracking.c (dump_dataflow_set): Start dumping at
4694 (clobber_variable_part): Kill only the variable part in
4695 registers holding it, leaving other variables alone.
4697 2006-09-11 Josh Triplett <josh@freedesktop.org>
4699 * doc/extend.texi (Other Builtins): Actually use the macro
4700 argument in the documentation example for
4701 __builtin_types_compatible_p.
4703 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4705 PR rtl-optimization/28726
4706 * sched-deps.c (sched_analyze_reg): New function extracted from...
4707 (sched_analyze_1): ...here. Call it to analyze references to
4708 registers. Treat again writes to a stack register as writing to the
4710 (sched_analyze_2): ...and here. Call it to analyze references to
4711 registers. Treat again reads of a stack register as reading the
4714 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4715 David Edelsohn <edelsohn@gnu.org>
4718 * config/rs6000/spe.md (frob_df_di): Remove %H.
4719 (frob_di_df): Remove %H. Change evmergelo to mr.
4720 (frob_di_df_2): Remove %H. Change evldd to two loads.
4722 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4724 * doc/cpp.texi: Fix names of charset options.
4726 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4729 * config/i386/i386.c (override_options): Use 128-bit
4730 stack boundary always for 64bits.
4732 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4734 PR rtl-optimization/28636
4735 * combine.c (force_to_mode): Test for side-effects before
4736 substituting by zero.
4737 (simplify_shift_const): Likewise for zero or other constants.
4739 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4742 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4745 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4748 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4749 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4750 returned by mode_for_size, rather than the mode of src itself,
4751 to choose between 32-bit and 64-bit patterns.
4752 (mips_mem_fits_mode_p): New function.
4753 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4754 that the size of the source matches the size of the destination.
4755 (mov_<store>l, mov_<store>r): Likewise.
4757 2006-09-10 Eric Christopher <echristo@apple.com>
4759 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4762 2006-09-09 Eric Christopher <echristo@apple.com>
4765 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4768 2006-09-09 Roger Sayle <roger@eyesopen.com>
4769 Nicolas Setton <setton@adacore.com>
4771 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4773 2006-09-10 Andreas Schwab <schwab@suse.de>
4775 * config/m68k/m68k.md (bungt_rev): New pattern.
4777 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4778 Dale Johannesen <dalej@apple.com>
4781 * regclass.c (struct reg_pref): Update documentation.
4782 (regclass): Set prefclass to NO_REGS if memory is the best option.
4783 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4785 2006-09-08 Eric Christopher <echristo@apple.com>
4787 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4788 * config/t-slibgcc-darwin: Support x86_64 multilib.
4789 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4790 Return 1 for x86_64-darwin.
4791 * config/i386/t-darwin: Add m64 multilib.
4792 (LIB2_SIDITI_CONV_FUNCS): Use.
4793 (LIB2FUNCS_EXTRA): Ditto.
4794 * config/i386/darwin.h: Support x86_64.
4795 * config/i386/i386.c (override_options): Turn on flag_pic
4796 for x86_64-darwin. Disable flag_omit_pointer.
4797 (get_pc_thunk_name): Assert !TARGET_64BIT.
4798 (legitimate_address_p): Disable machopic addressing for
4800 (legitimize_pic_address): Ditto.
4801 (ix86_expand_move): Ditto.
4802 (ix86_expand_call): Ditto.
4803 (machopic_output_stub): Ditto.
4804 * config/darwin.c (machopic_select_section): Support literal16.
4805 (machopic_select_rtx_section): Ditto.
4806 * config/darwin-sections.def: Ditto.
4807 * config/darwin-64.c: New.
4809 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4812 * c-tree.h (struct c_arg_info): Add pending_sizes.
4813 * c-parser.c (c_parser_parms_declarator,
4814 c_parser_parms_list_declarator): Initialize pending_sizes.
4815 * c-decl.c (get_parm_info): Initialize pending_sizes.
4816 (get_parm_info): Set pending_sizes.
4817 (grokdeclarator): Call put_pending_sizes for parameters for
4818 function definition only.
4820 2006-09-07 Jason Merrill <jason@redhat.com>
4823 * varasm.c (output_constant): Only strip actual no-op conversions.
4826 * config/i386/i386.c (override_options): Use 128-bit
4827 stack boundary if -msse.
4829 2006-09-07 Eric Christopher <echristo@apple.com>
4831 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4833 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4836 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4838 * dwarf2out.c: Remove strange characters from comment above
4839 dwarf2out_frame_debug_expr.
4841 2006-09-07 Eric Christopher <echristo@apple.com>
4843 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4844 * config/darwin.h: ... to here.
4846 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4848 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4850 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4851 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4853 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4854 TARGET_PARTIAL_FLAG_REG_STALL.
4855 (*ashldi3_cconly_rex64): Likewise.
4856 (*ashlsi3_cmp): Likewise.
4857 (*ashlsi3_cconly): Likewise.
4858 (*ashlsi3_cmp_zext): Likewise.
4859 (*ashlhi3_cmp): Likewise.
4860 (*ashlhi3_cconly): Likewise.
4861 (*ashlqi3_cmp): Likewise.
4862 (*ashlqi3_cconly): Likewise.
4863 (*ashrdi3_cmp_rex64): Likewise.
4864 (*ashrdi3_cconly_rex64): Likewise.
4865 (*ashrsi3_cmp): Likewise.
4866 (*ashrsi3_cconly): Likewise.
4867 (*ashrsi3_cmp_zext): Likewise.
4868 (*ashrhi3_cmp): Likewise.
4869 (*ashrhi3_cconly): Likewise.
4870 (*ashrqi3_cmp): Likewise.
4871 (*ashrqi3_cconly): Likewise.
4872 (*lshrdi3_cmp_rex64): Likewise.
4873 (*lshrdi3_cconly_rex64): Likewise.
4874 (*lshrsi3_cmp): Likewise.
4875 (*lshrsi3_cconly): Likewise.
4876 (*lshrsi3_cmp_zext): Likewise.
4877 (*lshrhi3_cmp): Likewise.
4878 (*lshrhi3_cconly): Likewise.
4879 (*lshrqi2_cmp): Likewise.
4880 (*lshrqi2_cconly): Likewise.
4882 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4885 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4886 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4887 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4888 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4889 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4890 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4891 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4892 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4893 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4894 implement only CC setting effects of shift instructions.
4896 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4898 * doc/contrib.texi: Add myself.
4900 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4903 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4904 was set by the user.
4906 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4909 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4910 (divsi_inv_m1): Use them.
4911 (UNSPEC_DIV_INV_TABLE): New constant.
4913 2006-09-06 James E Wilson <wilson@specifix.com>
4916 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4917 then call count_or_remove_death_notes.
4919 2006-09-06 Jason Merrill <jason@redhat.com>
4922 * tree-inline.c (copy_result_decl_to_var): New fn.
4923 (declare_return_variable): Use it. Call declare_inline_vars here.
4924 (expand_call_inline): Not here.
4926 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4928 * doc/contrib.texi: Update my entry.
4930 2006-09-06 Nick Clifton <nickc@redhat.com>
4932 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4934 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4937 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4938 (canonicalize_induction_variables): Likewise.
4939 (tree_unroll_loops_completely): Likewise.
4940 (tree_ssa_prefetch_arrays): Likewise.
4941 (remove_empty_loops): Likewise.
4942 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4943 TODO_cleanup_cfg instead of directly calling
4944 cleanup_tree_cfg_loop.
4945 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4947 (tree_unroll_loops_completely): Likewise.
4948 (remove_empty_loops): Likewise.
4949 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4950 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4951 of tree_ssa_unswitch_loops.
4952 (tree_ssa_loop_ivcanon): Use the return value of
4953 canonicalize_induction_variables.
4954 (tree_ssa_empty_loop): Use the return value of
4956 (tree_complete_unroll): Use the return value of
4957 tree_unroll_loops_completely.
4958 (tree_ssa_loop_prefetch): Use the return value of
4959 tree_ssa_prefetch_arrays.
4960 * passes.c (execute_todo): Before Cleanup CFG, set
4961 updating_used_alone and after cleanup CFG, call
4962 recalculate_used_alone.
4964 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4967 * tree-vect-transform.c (vectorizable_condition): Move the check
4968 for the type after the check for simple condition.
4970 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4971 Kaz Kojima <kkojima@gcc.gnu.org>
4974 * mode-switching.c (optimize_mode_switching): Make the destination
4975 block of an abnormal edge have no anticipatable mode. Don't
4976 insert mode switching code at the end of the source block of
4979 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4981 PR rtl-optimization/26847
4982 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4983 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4984 (simplify_plus_minus): Count n_constants while filling ops. Replace
4985 qsort with insertion sort. Before going through the array to simplify
4986 pairs, sort it. Delay early exit until after the first sort, exiting
4987 only if no swaps occurred. Simplify pairs in reversed order, without
4988 special-casing the first iteration. Pack ops after simplifying pairs.
4990 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4992 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4993 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4994 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4995 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4997 2006-09-05 Richard Guenther <rguenther@suse.de>
4999 PR tree-optimization/28900
5000 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5001 compound conditional before creating COND_EXPR condition.
5003 2006-09-05 Richard Guenther <rguenther@suse.de>
5005 PR tree-optimization/28905
5006 * tree-vrp.c (fix_equivalence_set): Manually implement
5007 !value_ranges_intersect_p to also handle symbolic ranges.
5009 2006-09-05 Richard Guenther <rguenther@suse.de>
5012 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5015 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5017 PR rtl-optimization/27616
5018 * cse.c (table_size): New static variable.
5019 (new_basic_block): Initialize it to 0.
5020 (remove_from_table): Decrement it.
5021 (insert): Increment it.
5022 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5023 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5024 fold_rtx_mem_1 if under the cap.
5025 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5026 the lookup of the equivalent expression and test for equality of the
5027 first operand of the equivalent expression before in turn looking up
5028 an equivalent constant for the second operand.
5030 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5033 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5034 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5035 pointer, instead of assuming it is possible to derive the
5036 correct args size from a call insn.
5038 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5041 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5042 (fold_builtin_mempcpy): Rename to...
5043 (fold_builtin_memory_op): ... this. Optimize one element copy
5045 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5047 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5048 (expand_builtin_memcpy, expand_builtin_mempcpy,
5049 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5050 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5051 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5052 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5054 2006-09-01 DJ Delorie <dj@redhat.com>
5056 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5057 (stzx_16): Likewise.
5058 ("stzx_24_<mode>"): Likewise.
5059 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5060 ("cmp<mode>_op"): New.
5061 (cmp<mode>): Change to expander; just save operands.
5063 (b<code>): Change to expander, emit compare here.
5064 (s<code>_op): Change to use split and expander.
5065 (s<code>_24_op): Likewise.
5066 (s<code>_<mode>): New.
5067 (s<code>_<mode>_24): New.
5068 (movqicc_<code>_<mode): New.
5069 (movhicc_<code>_<mode>): New.
5072 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5073 (m32c_pend_compare): New.
5074 (m32c_unpend_compare): New.
5075 (m32c_expand_scc): New.
5076 (m32c_expand_movcc): Emit the compare also.
5077 * config/m32c/predicates.md (mra_nopp_operand): New.
5079 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5080 Richard Guenther <rguenther@suse.de>
5081 Adam Nemet <anemet@caviumnetworks.com>
5084 * builtins.c (get_pointer_alignment): Handle more forms
5085 of base addresses that can be used to derive more precise
5086 information about alignment.
5088 2006-09-01 Jason Merrill <jason@redhat.com>
5091 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5094 * gimplify.c (voidify_wrapper_expr): Handle null type.
5096 2006-09-01 Josh Conner <jconner@apple.com>
5099 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5100 (execute_return_slot_opt): Use it.
5102 2006-08-31 Josh Conner <jconner@apple.com>
5105 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5106 returning aggregates.
5108 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5110 PR tree-optimization/28839
5111 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5112 blocks in that phi arguments appear.
5114 2006-08-31 Roger Sayle <roger@eyesopen.com>
5117 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5118 NULL, otherwise use an advance_loc4 to adjust relative to the
5120 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5121 (dwarf2out_switch_text_section): Reset the current label to avoid
5122 using advance_loc4 over section boundaries.
5124 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5127 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5128 r12 + SYMBOLIC_CONST.
5130 2006-08-30 Richard Guenther <rguenther@suse.de>
5132 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5134 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5136 PR rtl-optimization/27735
5137 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5138 Add new argument to keep track of whether an irreducible region
5139 was affected. All callers changed.
5140 (fix_irreducible_loops): Removed.
5141 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5142 flags were invalidated.
5144 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5146 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5147 instead of SF operands.
5148 (*fop_df_comm_sse): Likewise.
5149 (*fop_df_comm_i387): Likewise.
5150 (*fop_df_1_mixed): Likewise.
5151 (*fop_df_1_sse): Likewise.
5153 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5154 J"orn Rennecke <joern.rennecke@st.com>
5156 PR tree-optimization/17506
5157 * tree-ssa.c (warn_uninit): If warning about a location outside of
5158 the current function, note where the variable was declared.
5160 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5162 PR tree-optimization/28411
5163 * double-int.c (double_int_div): Use double_int_divmod.
5164 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5165 double_int_mod, double_int_smod, double_int_umod): New functions.
5166 * double-int.h (double_int_divmod, double_int_sdivmod,
5167 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5169 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5171 (get_computation_aff, get_computation_cost_at): Handle double_int
5172 return type of constant_multiple_of.
5174 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5177 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5178 an implicit conversion.
5180 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5182 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5184 2006-08-27 Roger Sayle <roger@eyesopen.com>
5186 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5189 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5191 * config/i386/crtfastmath.c: Fix a comment typo.
5193 2006-08-26 Roger Sayle <roger@eyesopen.com>
5195 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5196 temporary visit flags on CASE_LABEL_EXPRs.
5197 * c-common.c (match_case_to_enum): Add function comment. Avoid
5198 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5199 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5200 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5201 a constant, only warn if that constant value isn't handled.
5203 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5206 * input.h (restore_input_file_stack): Declare.
5207 (INPUT_FILE_STACK_BITS): Define.
5208 * toplev.c (fs_p, input_file_stack_history,
5209 input_file_stack_restored, restore_input_file_stack): New.
5210 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5211 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5212 (pop_srcloc): Don't free old state of stack.
5214 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5217 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5218 (PowerPC Type Attributes): New.
5220 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5222 * config/xtensa/xtensa.c (function_arg_boundary): New.
5223 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5225 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5226 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5228 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5231 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5234 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5236 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5237 (verify_local_live_at_start): Likewise.
5239 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5242 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5243 omp_add_variable): Treat sizes as variable whenever not
5246 2006-08-26 Richard Guenther <rguenther@suse.de>
5249 * fold-const.c (fold_binary): Fold temporary to correct
5250 type before constructing new comparison.
5252 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5255 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5256 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5258 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5261 * c-decl.c (start_function): Don't try to process prototype
5262 information from old declaration that isn't a function.
5264 2006-08-25 Jan Hubicka <jh@suse.cz>
5267 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5269 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5272 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5275 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5277 PR tree-optimization/16876
5278 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5279 exit if PARM doesn't match VALUE.
5281 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5283 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5284 literal_prefix directive.
5285 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5286 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5287 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5289 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5292 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5293 predicate to general_operand. Add 0->y and I->r alternatives.
5295 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5297 * doc/tm.texi: Fix a typo.
5298 * predict.c: Fix comment typos.
5300 2006-08-25 Nick Clifton <nickc@redhat.com>
5302 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5303 assertions of "cpu" and "machine".
5305 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5308 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5309 the access through a base which has an alias set of 0 cannot
5312 2006-08-24 Bill Wendling <wendling@apple.com>
5314 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5316 2006-08-24 Jan Hubicka <jh@suse.cz>
5318 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5320 2006-08-24 Jan Hubicka <jh@suse.cz>
5323 * cgraph.c: Fix comments.
5324 (cgraph_varpool_mark_needed_node): Mark only variables not already
5326 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5327 (cgraph_varpool_assembled_nodes_queue): New static variable.
5328 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5329 (cgraph_varpool_output_debug_info): New function.
5330 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5331 * Makefile.in: Add gt-cgraphunit.h
5333 2006-08-24 Jan Hubicka <jh@suse.cz>
5335 * predict.c (probability_reliable_p): New predicate.
5336 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5337 (predict_loops): Do not predict loop exit with less than 2%
5339 * basic-block.h (edge_probability_reliable_p,
5340 br_prob_note_reliable_p): Declare.
5341 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5342 prediction when static predictor is not reliable.
5343 * rs6000.c (output_cbranch): Likewise.
5345 2006-08-23 Stuart Hastings <stuart@apple.com>
5348 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5349 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5351 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5354 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5355 complex values, nor for generic vector values.
5357 2006-08-22 Richard Guenther <rguenther@suse.de>
5360 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5361 parameter. Convert arguments to arithmetic expression to the
5363 (analyze_scalar_evolution_1): Adjust caller.
5365 2006-08-22 Jan Hubicka <jh@suse.cz>
5367 Patch by Paolo Bonzini
5368 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5371 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5373 PR tree-optimization/28003
5374 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5375 before grouping aliases.
5377 2006-08-22 Roger Sayle <roger@eyesopen.com>
5379 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5380 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5382 2006-08-21 Jason Merrill <jason@redhat.com>
5385 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5386 wrapper. Loop to handle nested wrappers.
5387 (gimplify_bind_expr): Remove temp parameter.
5388 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5389 and STATEMENT_LIST on the rhs.
5390 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5391 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5392 (gimplify_target_expr): Remove special BIND_EXPR handling.
5394 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5396 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5399 2006-08-21 Olivier Hainque <hainque@adacore.com>
5401 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5402 Arrange for the temporary captures of components overlapping the lhs
5403 to happen before the lhs is possibly cleared.
5405 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5407 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5408 necessary places to pass the correct "number of registers" values
5411 2006-08-20 Jan Hubicka <jh@suse.cz>
5413 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5414 (create_name_tags): Instead of quadratic checking use hashtable.
5415 * bitmap.h: Include hashtab.h.
5416 (bitmap_hash): Declare.
5417 * bitmap.c (bitmap_hash): New function.
5419 2006-08-20 Jan Hubicka <jh@suse.cz>
5421 PR rtl-optimization/28071
5422 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5424 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5425 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5426 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5427 cgraph_decide_inlining_incrementally): Update use of
5428 cgraph_check_inline_limits.
5429 * cgraph.c (edge_hash, edge_eq): New function.
5430 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5431 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5432 cgraph_remove_node): Maintain call site hash.
5433 * cgraph.h (struct cgraph_node): Add call_site_hash.
5434 (cgraph_set_call_stmt): New function.
5436 2006-08-20 Jan Hubicka <jh@suse.cz>
5438 PR rtl-optimization/28071
5439 * reload1.c (reg_has_output_reload): Turn into regset.
5440 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5441 choose_reload_regs, emit_reload_insns): Update to new
5442 reg_has_output_reload.
5444 2006-08-20 Jan Hubicka <jh@suse.cz>
5447 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5448 function body sizes.
5449 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5451 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5454 * tree.c (handle_dll_attribute): Return early if not a
5455 var or function decl.
5457 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5460 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5461 alignment of SPE vector types.
5463 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5465 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5467 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5470 * cgraph.h (struct cgraph_node): Remove externally_visible
5472 * cgraphunit.c (process_function_and_variable_attributes): Set
5473 local.externally_visible rather than externally_visible.
5476 * c-common.c (handle_externally_visible_attribute): First look
5477 at TREE_CODE and only if it is function or var decl, check for
5478 non-public objects. Don't warn for DECL_EXTERNAL.
5479 * cgraphunit.c (process_function_and_variable_attributes): Warn
5480 if externally_visible attribute is used on non-public object.
5482 2006-08-17 Jan Hubicka <jh@suse.cz>
5484 PR tree-optimization/27865
5485 * reload1.c (forget_marked_reloads): New function.
5486 (forget_old_reloads_1): When data are passed, just mark the registers
5488 (reload_as_needed): Use the new mechanizm.
5490 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5493 * reload.h (reg_equiv_alt_mem_list): New declaration.
5494 * reload1.c (reg_equiv_alt_mem_list): New definition.
5495 (reload): Initialize it and release it.
5496 (delete_output_reload): Use it.
5497 * reload.c (push_reg_equiv_alt_mem): New function.
5498 (find_reloads_toplev): Call it.
5499 (find_reloads_address, find_reloads_address_1): Likewise.
5500 (find_reloads_subreg_address): Likewise.
5502 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5504 PR rtl-optimization/28489
5505 * sched-ebb.c (begin_schedule_ready): Create basic block
5507 (advance_target_bb): Skip empty blocks.
5508 * haifa-sched.c (bb_note): Make global.
5509 * sched-int.h (bb_note): Add prototype.
5511 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5513 PR tree-optimization/27865
5514 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5516 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5517 fold_used_pointer, pointer_used_p): New functions.
5518 (analyze_scalar_evolution_1): Use fold_used_pointer.
5519 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5520 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5523 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5526 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5527 or the INTEGER_CST. Fail on a CALL_EXPR.
5528 (fold_offsetof): Pass new argument to fold_offsetof_1.
5529 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5530 operand into an INDIRECT_REF.
5531 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5533 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5535 PR gcov/profile/26570
5536 * value-prof.c (static_values): Removed.
5537 (tree_find_values_to_profile): Do not set static_values.
5538 (find_values_to_profile): Do not free static_values.
5539 * profile.c (instrument_values): Do not free the values.
5540 (branch_prob): Free the values.
5542 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5544 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5546 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5549 * c-typeck.c (build_component_ref): Combine qualifiers of
5550 structure or union and field.
5552 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5554 PR rtl-optimization/28071
5555 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5556 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5557 * tree-into-ssa.c (struct dom_dfsnum): New.
5558 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5560 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5561 compute_global_livein.
5562 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5563 in phi nodes in the correct blocks.
5565 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5567 PR tree-optimization/28364
5568 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5570 (fold_affine_expr): New function.
5571 (may_eliminate_iv): Use fold_affine_expr.
5573 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5576 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5579 2006-08-16 Mike Stump <mrs@apple.com>
5581 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5582 * doc/cppopts.texi (-MD): Likewise.
5584 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5587 * c-common.c (handle_weak_attribute): Ignore and warn if
5588 not a FUNCTION_ or VAR_DECL.
5590 2006-07-15 Mike Stump <mrs@apple.com>
5593 * c-parser.c (c_parser_typeof_specifier): Don't use
5594 c_finish_expr_stmt, open code desired semantics instead.
5596 2006-08-15 Nick Clifton <nickc@redhat.com>
5598 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5599 fragment to tmake_file only if threads are enabled.
5600 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5601 * config/i386/t-gthr-win32: New file. ... here.
5603 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5606 * c-parser.c (c_parser_compound_statement_nostart): Reset
5607 parser->error after each statement.
5609 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5612 * omp-low.c (lower_omp_parallel): Convert t to
5613 receiver_decl's type.
5614 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5615 source before comparison.
5618 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5619 to itype in assignment to oldival2.
5621 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5625 * c-typeck.c (build_compound_expr): If the second expression
5626 is an error mark, then just return an error mark instead of
5627 creating a COMPOUND_EXPR.
5629 2006-07-14 Mike Stump <mrs@apple.com>
5631 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5633 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5635 * c-decl.c, var-tracking.c: Fix comment typos.
5637 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5639 PR rtl-optimization/28634
5640 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5641 for floating-point modes unless flag_unsafe_math_optimizations.
5643 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5644 Andrew Pinski <pinskia@physics.uc.edu>
5647 * tree.c (build_array_type): Unify array types with
5648 unspecified index_type.
5649 * c-decl.c (grokdeclarator): Make sure we do not modify a
5650 unified incomplete array type.
5651 * c-typeck.c (store_init_value): Create distinct type before
5652 filling in the index type in an initializer from a compound
5655 * c-decl.c (grokdeclarator): Remove code where we copy the
5658 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5660 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5661 into account for TODO_dump_cgraph.
5662 (TODO_update_ssa_no_phi): Likewise.
5663 (TODO_update_ssa_full_phi): Likewise.
5664 (TODO_update_ssa_only_virtuals): Likewise.
5665 (TODO_remove_unused_locals): Likewise.
5666 (TODO_set_props): Likewise.
5667 (TODO_update_stmt_usage): Likewise.
5669 2006-08-13 Dirk Mueller <dmueller@suse.de>
5671 * c-common.c (strict_aliasing_warning): Fix formatting.
5673 2006-08-13 Matthias Klose <doko@debian.org>
5675 * doc/invoke.texi: Fix spelling errors.
5677 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5679 PR rtl-optimization/23454
5680 * reorg.c (relax_delay_slots): Update comment.
5682 2006-08-11 Richard Guenther <rguenther@suse.de>
5685 * simplify-rtx.c (simplify_const_relational_operation):
5686 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5689 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5691 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5692 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5694 2006-08-10 Paul Brook <paul@codesourcery.com>
5696 * final.c (final_scan_insn): Clear current_insn_predicate before
5697 outputting inline asm.
5699 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5701 PR tree-optimization/26197
5702 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5703 get_ref_base_and_extent and overlap_subvar to add only relevant
5704 subvars as may-aliases.
5705 (add_may_alias_for_new_tag): New function, factored out of
5707 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5708 with additional argument.
5709 * tree-flow.h (new_type_alias): Takes additional argument.
5711 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5713 * gcov.c (no_data_file): New flag.
5714 (read_count_file): Set it if data file not present. Assume counts
5716 (output_lines): Don't name the data file, if there wasn't one.
5718 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5720 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5721 (rs6000_generate_compare): Tweak comments.
5722 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5724 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5726 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5727 (var_debug_decl): New function.
5728 (var_reg_set): Follow debug decl link. Add location even if
5729 reg is already known to hold some other variable.
5730 (var_mem_set): Follow debug decl link.
5731 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5732 decl link. Delete other known locations of the variable part
5734 (var_reg_delete, var_mem_delete): Delete other known locations
5735 of the variable part if requested.
5736 (same_variable_part_p): New function.
5737 (add_stores): Select MO_COPY when appropriate.
5738 (vt_initialize): Handle it.
5739 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5740 known locations for MO_SET and MO_CLOBBER.
5741 (find_variable_location_part): New function.
5742 (set_variable_part, delete_variable_part): Use it.
5743 (clobber_variable_part): New function.
5744 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5747 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5749 PR tree-optimization/26969
5750 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5751 with an empty list of PHIs.
5753 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5757 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5760 2006-08-06 Andreas Schwab <schwab@suse.de>
5762 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5763 string. Whitespace and comment fixup.
5765 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5768 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5772 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5775 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5777 2006-08-04 Jan Hubicka <jh@suse.cz>
5781 * reload.c (push_reload): Patch out the mismatching instruction;
5783 (find_reload): Bail out if the instruction was patched out.
5785 2006-08-04 Jan Hubicka <jh@suse.cz>
5787 PR tree-optimization/24888
5788 * tree-inline.c (expand_call_inline): Do not re-record variables.
5789 (declare_inline_vars): Add variable to unexpanded_var_list.
5791 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5792 Roger Sayle <roger@eyesopen.com>
5794 PR rtl-optimization/26244
5795 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5796 inner_const are negative or greater than or equal to the bitsize of
5797 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5798 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5799 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5800 CONST0_RTX (mode) when the new shift count is greater than or equal to
5801 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5804 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5806 * tree-cfg.c: Fix a comment typo.
5808 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5811 * varasm.c (output_constant): Give the front end another chance to
5812 expand constants, after stripping NOPs.
5814 2006-08-03 Jan Hubicka <jh@suse.cz>
5816 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5819 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5821 PR tree-optimization/27770
5822 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5823 declaration removed (moved to tree-flow.h).
5824 (vect_can_force_dr_alignment_p): Likewise.
5825 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5826 (moved from tree-vectorizer.h).
5827 (vect_can_force_dr_alignment_p): Likewise.
5828 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5829 from outside the vectorizer - in particular from cgraph stage.
5830 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5831 the alignment of global arrays when -fsection-anchors is enabled.
5832 * cgraphunit.c (cgraph_increase_alignment): New function.
5833 (cgraph_optimize): Call cgraph_increase_alignment.
5835 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5838 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5839 not reload a SPE symbol_ref into a lo_sum address.
5841 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5844 * dwarf2out.c (prune_unused_types_prune): Move call to
5845 prune_unused_types_update_strings to cover the parent DIE also.
5847 2006-08-02 Jan Hubicka <jh@suse.cz>
5849 PR gcov/profile/28480
5850 * tree-cfg.c (change_bb_for_stmt): New function.
5851 (tree_merge_blocks, tree_split_blocks): Use it.
5853 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5859 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5860 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5861 (cgraph_optimize): Likewise.
5863 2006-08-01 Stuart Hastings <stuart@apple.com>
5865 * rtl.h (UINTVAL) New.
5866 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5867 * testsuite/gcc.dg/20060801-1.c: New.
5869 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5872 * c-typeck.c (build_external_type): Mark used enum types.
5873 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5875 (gen_subprogram_die): Whitespace fix.
5877 2006-08-01 Jan Hubicka <jh@suse.cz>
5879 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5880 bitmap when not needed.
5881 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5884 2006-08-01 Dirk Mueller <dmueller@suse.de>
5886 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5888 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5890 * Makefile.in: Revert part of previous patch:
5891 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5894 2006-07-30 Eric Christopher <echristo@apple.com>
5897 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5898 (PowerPC Variable Attributes): New section.
5900 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5902 PR target/28126 (partial fix)
5903 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5905 2006-07-28 Jan Hubicka <jh@suse.cz>
5907 PR rtl-optimization/28071
5908 * cfgrtl.c (rtl_delete_block): Free regsets.
5909 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5911 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5913 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5914 and variables used in dependencies.
5916 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5918 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5919 %fs for -mcmodel=kernel.
5920 (stack_tls_protect_test_di): Likewise.
5922 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5924 * Makefile.in: Use mkinstalldirs.
5926 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5929 * opts-common.c (prune_options): Skip joined switches.
5931 2006-07-27 Jan Hubicka <jh@suse.cz>
5933 PR rtl-optimization/28071
5934 * cselib.c (cselib_process_insn): Don't remove useless values too
5935 often for very large hashtables.
5937 2006-07-27 Jan Hubicka <jh@suse.cz>
5939 PR rtl-optimization/28071
5940 * global.c (greg_obstack): New obstack.
5941 (allocate_bb_info): Use it.
5942 (free_bb_info): Likewise.
5943 (modify_reg_pav): Likewise.
5945 2006-07-27 Roger Sayle <roger@eyesopen.com>
5947 * builtins.c (fold_fixed_mathfn): When long and long long are the
5948 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5949 functions to their lceil*, lfloor*, lround* and lrint* forms.
5951 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5954 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5956 (rev_branch_insn): Likewise.
5958 2006-07-27 Jan Hubicka <jh@suse.cz>
5960 PR rtl-optimization/28071
5961 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5962 (reg_set_in_bb, max_reg_computed): New static variables.
5963 (regmove_optimize): Free the new array.
5964 (fixup_match_1): Update call of reg_is_remote_constant_p.
5966 2006-07-26 Jan Hubicka <jh@suse.cz>
5968 PR tree-optimization/27882
5969 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5971 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5973 (cgraph_analyze_compilation_unit): Likewise.
5974 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5975 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5976 (cgraph_early_inlinine): Make order garbage collected.
5977 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5979 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5981 * dbxout.c (output_types_sort): Add a comment.
5982 (output_used_types): Free the VEC.
5984 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5986 * function.c (reorder_fix_fragments): Delete.
5987 (reorder_blocks): Don't call it.
5988 (reorder_blocks_1): Put all subblocks under the origin block.
5990 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5992 PR rtl-optimization/27907
5993 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5996 2006-07-25 Roger Sayle <roger@eyesopen.com>
5999 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6000 bar(x) check that bar's result type can represent all the values of T.
6002 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6004 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6006 2006-07-25 Nick Clifton <nickc@redhat.com>
6008 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6009 size_lookup[] array.
6010 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6011 (ggc_pch_count_object): Likewise.
6012 (ggc_pch_alloc_object): Likewise.
6013 (ggc_pch_write_object): Likewise.
6014 (init_ggc): Do not attempt to initialize entries in the
6015 size_lookup[] array for objects whose size is greater than than
6016 the length of the array.
6018 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6020 * dbxout.c (output_used_types_helper): Push queued types
6022 (output_types_sort): New.
6023 (output_used_types): Collect used types on a VEC and sort them
6026 2006-07-24 Richard Guenther <rguenther@suse.de>
6029 * cgraph.c (cgraph_remove_node): Do not check if dumps
6031 * cgraphunit.c (cgraph_optimize): Likewise.
6033 2006-07-24 Jan Hubicka <jh@suse.cz>
6035 PR rtl-optimization/28071
6036 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6037 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6038 splitting before first stmt.
6040 2006-07-24 Jan Hubicka <jh@suse.cz>
6042 PR rtl-optimization/28071
6043 * ipa-inline.c (update_caller_keys): Remove edges that
6044 are no longer inline candidates.
6046 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6049 * dbxout.c (output_used_types_helper, output_used_types): New.
6050 (dbxout_symbol): Call output_used_types.
6052 2006-07-23 Jan Hubicka <jh@suse.cz>
6056 * cgraph.c (cgraph_varpool_nodes): Export.
6057 (decide_is_variable_needed): Ignored "used" attribute in
6058 unit-at-a-time mode.
6059 * cgraph.h (cgraph_varpool_nodes): Declare.
6060 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6061 unit-at-a-time mode.
6063 2006-07-23 Roger Sayle <roger@eyesopen.com>
6066 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6067 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6068 the __gthrw form of thr_keycreate.
6069 (__gthread_key_delete): Silence the unused argument warning.
6071 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6074 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6075 Cache the last found '\0' marker to avoid quadratic behavior.
6077 2006-07-23 Jan Hubicka <jh@suse.cz>
6079 * i386.md (subsi_3_zext): Fix output template.
6081 2006-07-21 Mike Stump <mrs@apple.com>
6083 * doc/invoke.texi (C++ Dialect Options): Note that
6084 -fvisibility-inlines-hidden doesn't affect explicitly
6085 instantiationed inline methods.
6087 2006-07-20 Roger Sayle <roger@eyesopen.com>
6089 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6090 if the target assembler is GNU binutils' gas.
6091 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6092 whether to pass GNU gas or native as command line options.
6094 2006-07-20 Jason Merrill <jason@redhat.com>
6096 * tree.c (remove_attribute): New fn.
6097 * tree.h: Declare it.
6099 2006-07-20 Paul Brook <paul@codesourcery.com>
6102 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6103 they are invalidated by this instruction.
6105 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6108 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6110 2006-07-20 Eric Christopher <echristo@apple.com>
6113 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6115 2006-07-19 Eric Christopher <echristo@apple.com>
6117 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6118 Rewrite dependencies for libgcc_s.1.dylib.
6120 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6122 * except.c (duplicate_eh_regions_1): Clear next_peer.
6124 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6126 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6127 -mlongcall does not guarantee all calls will be long.
6128 * doc/extend.texi (long_call/short_call): Document that longcall
6129 does not guarantee a long call will be used.
6130 (longcall/shortcall): Likewise.
6132 2006-07-18 Roger Sayle <roger@eyesopen.com>
6135 * expmed.c (expand_shift): Additionally check that the shift_cost
6136 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6137 before implementing a LSHIFT_EXPR as a sequence of additions.
6138 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6139 middle-end that DImode shifts need to be synthesized by expand.
6141 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6144 * tree-ssa-operands.c (access_can_touch_variable): Update
6146 Return true if ALIAS is .GLOBAL_VAR.
6148 2006-07-18 David Daney <ddaney@avtrex.com>
6150 * gcc.c (display_help): Fix typo in help text.
6152 2006-07-18 Olivier Hainque <hainque@adacore.com>
6154 * tree.h (categorize_ctor_elements): Adjust prototype and add
6155 descriptive comment, both in accordance with the interface change
6157 * varasm.c (constructor_static_from_elts_p): New function.
6158 Whether a constructor node is a valid static constant initializer
6159 if all its elements are.
6160 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6161 * output.h: Declare it.
6162 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6163 is a valid constant initializer instead of computing the number of
6164 non-constant elements. Use constructor_static_from_elts_p for this
6165 purpose. Replace the head comment with an indication that this is a
6166 helper for categorize_ctor_elements.
6167 (categorize_ctor_elements): Same interface change as for the _1
6168 helper. Former head comment from this helper moved here, adjusted to
6169 account for the interface changes.
6170 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6171 (all_zeros_p): Likewise.
6172 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6173 static versions of the constructor from the categorize_ctor_elements
6174 return value instead of the formerly computed number of non-constant
6177 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6179 * configure: Regenerate.
6180 * Makefile.in (build_libsubdir): New configure substitution
6181 (build_libobjdir): New variable.
6182 (BUILD_LIBIBERTY): Use it.
6184 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6187 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6189 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6192 * c-common.c (handle_weakref_attribute): Ignore attribute in
6193 the same conditions the alias attribute is ignored.
6195 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6197 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6198 (dbxout_begin_prologue): Increment scope_labelno.
6200 2006-07-17 Richard Henderson <rth@redhat.com>
6203 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6206 2006-07-17 Roger Sayle <roger@eyesopen.com>
6207 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6209 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6210 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6211 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6212 functions such as sbrk, write, etc.. Add function prototypes.
6213 Convert function declarations from K&R to ISO C. Cast pointers
6214 to "long" and "unsigned long" instead of "int" and "unsigned int".
6215 Convert tokens following #endif into comments.
6217 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6219 * invoke.texi: Remove mention of f77; Reformat table for
6220 inline parameter options correctly; mention that -malign-double
6221 is default on x86-64 targets.
6223 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6225 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6226 (convert_affine_scev, chrec_convert_aggressive): Use
6227 avoid_arithmetics_in_type_p. Do not check for the subtypes
6230 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6233 * optabs.c (expand_doubleword_shift): Wrap the call to
6234 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6236 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6239 * optabs.c (expand_binop): Pass next_methods rather than methods
6240 to expand_doubleword_shift.
6242 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6245 * tree.h (dump_addr): Declare.
6246 * print-tree.c (dump_addr): New function.
6247 (print_node_brief, print_node): Use it.
6248 * print-rtl.c (print_rtx): Likewise.
6249 * common.opt (-fdump-noaddr): New option.
6250 * doc/invoke.texi (-fdump-noaddr): Document.
6251 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6252 (ve_info_hash): Likewise.
6254 2006-07-13 Andrew Haley <aph@redhat.com>
6256 PR tree-optimization/19505
6257 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6258 edge leaving this block, make sure that the destination of this
6259 block has only one predecessor.
6261 2006-07-17 Richard Guenther <rguenther@suse.de>
6263 PR tree-optimization/28238
6264 * tree-inline.c (copy_bb): Check if we produced valid
6265 gimple copying and substituting a stmt. If not, gimplify
6268 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6270 * optabs.c (maybe_encapsulate_block): New function extracted from...
6271 (emit_libcall_block): ...here. Invoke it on the block of insns to
6272 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6273 (emit_no_conflict_block): Likewise.
6275 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6277 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6279 2006-07-15 Roger Sayle <roger@eyesopen.com>
6281 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6282 a new NOP_EXPR case of the switch statement.
6284 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6287 * stor-layout.c (place_field): Take the bit field with
6288 an excessive size into account in the ms-bitfiled case.
6291 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6292 the previous bit field.
6294 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6297 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6299 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6301 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6302 signal frames correctly even when the signal was installed with
6305 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6307 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6308 (dbxout_function_end): Use local label LFBB. Remove hook
6310 (dbxout_source_line): Use local label LFBB.
6311 (dbxout_block): Likewise.
6312 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6313 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6314 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6315 and DBX_OUTPUT_NFUN.
6317 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6319 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6321 2006-07-13 Jan Hubicka <jh@suse.cz>
6323 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6325 * output.h (align_variable): Declare.
6326 * varasm.c (align_variable): Export.
6327 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6328 when basic block changed.
6330 2006-07-13 Nick Clifton <nickc@redhat.com>
6332 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6333 walking the LOG_LINKS chain.
6335 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6337 * doc/invoke.texi (C++ Dialect Options): Explain difference
6338 between -fvisibility-inlines-hidden and setting hidden
6339 visibility explicitly.
6341 2006-07-12 Eric Christopher <echristo@apple.com>
6343 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6344 (stmp-lipo): Depend on libgcc.a.
6346 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6348 * tree.c: Fix a comment typo.
6350 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6352 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6354 (umulhisi3_r): Likewise.
6356 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6359 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6360 x < 19, vs wchar_t support.
6362 2006-07-12 Nick Clifton <nickc@redhat.com>
6364 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6365 instead of -isa=sh4.
6367 2006-07-12 Mike Stump <mrs@apple.com>
6369 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6371 2006-07-10 Eric Christopher <echristo@apple.com>
6373 * config/t-slibgcc-darwin: Rewrite.
6375 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6378 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6381 2006-07-08 Matthias Klose <doko@debian.org>
6383 * doc/sourcebuild.texi: Fix typo.
6385 2006-07-07 Mike Stump <mrs@apple.com>
6387 * toplev.c (process_options): Don't give -ffunction-sections may
6388 affect debugging warning for Mach-O.
6390 2006-07-07 James E Wilson <wilson@specifix.com>
6392 * config/mips/mips.md (cpu): Add sb1a.
6393 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6394 addition to sb1. Adjust comments to clarify SB-1A differences from
6396 (ir_sb1a_load): New. Modify bypasses to use it.
6397 (ir_sb1a_simple_alu): Likewise.
6398 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6399 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6400 (mips_issue_rate): Add PROCESSOR_SB1A.
6401 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6402 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6403 (TARGET_SB1): Add PROCESSOR_SB1A check.
6404 (TUNE_SB1): Likewise.
6406 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6407 * config/mips/mips.c (mips_store_data_bypass_p): New.
6408 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6409 store_data_bypass_p.
6411 2006-07-08 Paul Brook <paul@codesourcery.com>
6414 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6416 2006-07-07 Richard Guenther <rguenther@suse.de>
6419 * tree.h (build_one_cst): Declare.
6420 * tree.c (build_one_cst): New function.
6421 * tree-ssa-math-opts.c (get_constant_one): Remove.
6422 (insert_reciprocals): Use build_one_cst.
6423 * fold-const.c (fold_plusminus_mult): Likewise.
6425 2006-07-07 Roger Sayle <roger@eyesopen.com>
6427 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6428 * cfgloopanal.c (dump_graph): Likewise.
6429 * dojump.c (discard_pending_stack_adjust): Likewise.
6430 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6432 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6433 * function.c (finalize_block_changes): Likewise.
6434 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6435 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6436 * rtl.c (dump_rtx_statistics): Likewise.
6437 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6439 * varray.c (dump_varray_statistics): Likewise.
6440 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6441 decode_decimal64, encode_decimal128, decode_decimal128,
6442 decimal_real_to_decimal): Likewise.
6444 2006-07-07 Richard Guenther <rguenther@suse.de>
6446 PR tree-optimization/28187
6447 * tree-vrp.c (vrp_operand_equal_p): New function.
6448 (vrp_bitmap_equal_p): Likewise.
6449 (update_value_range): Use them to compare old and new
6452 2006-07-06 Roger Sayle <roger@eyesopen.com>
6454 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6455 a default case to switch statement to silence compiler warnings.
6457 2006-07-06 Roger Sayle <roger@eyesopen.com>
6460 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6461 the configured assembler supports the x87's ffreep mnemonic.
6462 * configure: Regenerate.
6463 * config.in: Regenerate.
6465 * config/i386/i386.c (output_387_ffreep): New function.
6466 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6467 (output_387_reg_move): Likewise.
6469 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6471 Port to hosts whose 'sort' and 'tail' implementations
6472 treat operands with leading '+' as file names, as POSIX
6473 has required since 2001. However, make sure the code still
6474 works on pre-POSIX hosts.
6475 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6476 which says you should use "tail -c +N" rather than "tail +Nc".
6477 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6479 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6481 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6484 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6487 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6488 PRE_{INC,DEC} of TFmode.
6490 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6491 Alan Modra <amodra@bigpond.net.au>
6494 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6497 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6500 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6501 Remove duplicate gtu.
6503 2006-07-05 Jason Merrill <jason@redhat.com>
6507 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6508 * c-common.c (handle_packed_attribute): So don't copy it here.
6509 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6511 2006-07-05 Mike Stump <mrs@apple.com>
6513 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6515 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6518 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6520 2006-07-05 Richard Guenther <rguenther@suse.de>
6523 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6524 TARGET_SSE2 targets if using SSE math.
6525 (*absdf2_1): Likewise.
6527 2006-07-05 Richard Guenther <rguenther@suse.de>
6529 PR tree-optimization/28162
6530 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6531 make sure to convert the operands to the correct type.
6533 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6535 PR tree-optimization/28218
6537 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6538 to calculate and free the dominator information.
6540 2006-07-04 Peter O'Gorman <peter@pogma.com>
6542 * mklibgcc.in: chmod 644 before ranlib during install.
6544 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6545 J"orn Rennecke <joern.rennecke@st.com>
6547 * configure.ac (.eh_frame data check): Use diff -b.
6549 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6552 * Makefile.in (BUILD_RTL): Add build/vec.o.
6553 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6554 (build/genextract): Delete.
6555 (build/genautomata): Likewise.
6557 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6560 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6561 128-bit IBM long doubles for ABI_V4.
6563 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6565 * tree.c (range_in_array_bounds_p): New predicate.
6566 * tree.h (range_in_array_bounds_p): Declare it.
6567 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6568 return a less conservative answer.
6569 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6570 and flag 'is_group'.
6571 (IS_ELEMENT_FOR_GROUP): New macro.
6572 (FOR_EACH_ACTUAL_CHILD): Likewise.
6573 (next_child_for_group): New helper function.
6574 (can_completely_scalarize_p): Take into account groups.
6575 (sra_hash_tree): Handle RANGE_EXPR.
6576 (sra_elt_eq): Likewise.
6577 (lookup_element): Be prepared for handling groups.
6578 (is_valid_const_index): Delete.
6579 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6580 instead of is_valid_const_index.
6581 <ARRAY_RANGE_REF>: New case.
6582 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6583 is_valid_const_index.
6584 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6585 (scan_dump): Dump info for groups too.
6586 (decide_instantiation_1): Likewise.
6587 (decide_block_copy): Assert that the element is not a group.
6588 Propagate decision to groups.
6589 (generate_one_element_ref): Handle RANGE_EXPR.
6590 (mark_no_warning): Iterate over actual childs.
6591 (generate_copy_inout): Likewise.
6592 (generate_element_copy): Likewise.
6593 (generate_element_zero): Likewise.
6594 (generate_element_init_1): Likewise.
6595 (dump_sra_elt_name): Handle RANGE_EXPR.
6597 2006-07-03 Roger Sayle <roger@eyesopen.com>
6599 PR tree-optimization/26251
6600 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6601 (thread_block): When optimizing for size refuse to thread jumps
6602 that would require duplication of blocks other than redirection
6605 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6607 * configure.ac: Fix thinko in previous check-in.
6608 * configure: Regenerate.
6610 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6613 * configure.ac (for lang...): Simplify nesting of conditionals.
6614 Test subdir_requires for non-enabled languages. Move processing
6615 of lang_opt_files and lang_tree_fiels below that test.
6616 * configure: Regenerate.
6617 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6619 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6621 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6623 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6625 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6628 2006-06-29 Jason Merrill <jason@redhat.com>
6635 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6636 * c-common.c (c_determine_visibility): Handle it here.
6637 * c-decl.c (finish_decl): Call c_determine_visibility for
6639 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6641 * varasm.c (default_assemble_visibility): Likewise.
6642 * c-common.c (handle_visibility_attribute): Complain about trying
6643 to give visibility to an already defined class, or trying to change
6644 declared visibility. Always attach the attribute.
6649 * attribs.c (decl_attributes): Ignore type-in-place attributes
6650 once the type has been defined.
6652 2006-06-29 Roger Sayle <roger@eyesopen.com>
6655 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6656 to indicate the cpplib has issued an error message for us.
6658 2006-06-29 Asher Langton <langton2@llnl.gov>
6661 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6662 insert a label at the end of an function under Mach-O.
6664 2006-06-29 Eric Christopher <echristo@apple.com>
6665 Evan Cheng <evan.cheng@apple.com>
6667 * predicates.md (vector_all_ones_operand): New.
6668 (nonimmediate_or_sse_const_operand): Ditto.
6669 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6670 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6671 (standard_sse_mode_p): Ditto.
6672 (standard_sse_constant_p): Add case for -1 vector.
6673 (ix86_expand_vector_move): Try to use.
6674 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6675 Call standard_sse_constant_opcode.
6676 (*movv4sf_internal): Ditto.
6677 (*movv2df_internal): Ditto.
6679 2006-06-29 Roger Sayle <roger@eyesopen.com>
6681 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6682 of XEXP to extract the operands of a MATCH_CODE rtx.
6684 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6686 * tree.c (tree_size): Do not waste tail padding in
6687 struct tree_string and make the size be the same as
6688 build_string will generate.
6690 2006-06-28 Jason Merrill <jason@redhat.com>
6693 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6694 may_aliases already in the tag's annotations to the bitmap.
6696 2006-06-28 Roger Sayle <roger@eyesopen.com>
6698 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6700 2006-06-28 Roger Sayle <roger@eyesopen.com>
6702 * genpreds.c (generate_switch_p): New function.
6703 (add_mode_tests): Push the new mode test down inside an AND expr
6704 if this allows the switch-suitable MATCH_CODE to be near the root.
6705 (write_match_code_switch): New function to write a MATCH_CODE as
6707 (write_predicate_stmts): New function to write a predicate RTX
6708 expression as a sequence of statements.
6709 (write_one_predicate_function): Use write_predicate_stmts.
6710 (write_tm_constrs_h): Likewise.
6712 2006-06-26 Fred Fish <fnf@specifix.com>
6714 * config/mips/t-sb1: New file.
6715 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6718 2006-06-26 DJ Delorie <dj@redhat.com>
6720 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6722 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6723 Jayant Sonar <jayants@kpitcummins.com>
6724 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6726 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6727 (subsi3, subsi3_1, subsi3_2): New.
6728 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6729 * config/m32c/mov.md (SI mov peephole): New.
6730 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6731 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6733 2006-06-26 Olivier Hainque <hainque@adacore.com>
6735 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6736 a CALL_EXPR target function declaration.
6738 2006-06-26 Richard Guenther <rguenther@suse.de>
6740 * tree.c (build_string): Do not waste tail padding in
6743 2006-06-26 Richard Guenther <rguenther@suse.de>
6745 * ggc-page.c (init_ggc): Add missing element to size_lookup
6749 2006-06-23 Richard Guenther <rguenther@suse.de>
6751 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6752 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6753 alignment requests instead. Add verification code.
6754 Add struct tree_function_decl and struct tree_binfo size to
6755 extra_order_size_table. Add missing element to size_lookup
6758 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6761 * fold-const.c (const_binop): Be prepared for self returning zero.
6762 Simplify code handling complex values.
6764 2006-06-24 Olivier Hainque <hainque@adacore.com>
6766 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6767 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6770 2006-06-24 Olivier Hainque <hainque@adacore.com>
6772 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6773 ARRAY_REF, so have the callback called for the low bound expression.
6775 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6777 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6778 * c-typeck.c (c_common_type): Disallow operations on decimal float
6779 types and other float types.
6780 * convert.c (convert_to_real): Don't ignore conversions involving
6781 decimal float types.
6783 2006-06-23 Olivier Hainque <hainque@adacore.com>
6785 * tree.c (max_int_size_in_bytes): New function, inspired from
6786 code in function.c:assign_temp.
6787 * tree.h (max_int_size_in_bytes): Declare.
6788 * function.c (assign_temp): Use it.
6789 * gimplify.c (create_tmp_var): Relax the assertions on the type
6790 properties, not mandating constant size any more.
6791 (force_constant_size): New static function.
6792 (gimple_add_tmp_var): Use it, forcing variable size to a
6793 constant upper bound if it is not constant on entry.
6795 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6798 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6799 for initialization and setting of one_only flag to ...
6800 (i386_pe_encode_section_info): ...here.
6801 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6802 Recheck that the symbol has not been defined.
6804 2006-06-23 Richard Guenther <rguenther@suse.de>
6806 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6807 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6808 alignment requests instead. Add verification code.
6809 Add struct tree_function_decl and struct tree_binfo size to
6810 extra_order_size_table. Add missing element to size_lookup
6813 2006-06-22 Roger Sayle <roger@eyesopen.com>
6814 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6817 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6818 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6820 2006-06-23 Ben Elliston <bje@au.ibm.com>
6822 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6823 negate dn -- manipulate it directly.
6825 2006-06-22 Roger Sayle <roger@eyesopen.com>
6826 Steven Bosscher <stevenb.gcc@gmail.com>
6829 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6830 generated by gen_move_insn to add REG_LABEL notes if necessary.
6832 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6834 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6835 (leaf_entry): Remove use of MIN_ESA.
6837 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6839 PR rtl-optimization/28121
6840 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6843 2006-06-21 DJ Delorie <dj@redhat.com>
6845 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6847 (mulhisi3_r): Likewise.
6849 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6852 * coverage.c (coverage_counter_alloc): Leave the index type
6854 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6857 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6859 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6860 section from the "Options for Code Generation Conventions".
6862 2006-06-21 Richard Henderson <rth@redhat.com>
6866 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6868 (global_symbolic_operand): Allow weak symbols, even if local_p.
6870 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6872 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6873 (find_interesting_uses_address): Punt if above function returns true.
6875 2006-06-21 Richard Guenther <rguenther@suse.de>
6877 * configure: Regenerated.
6879 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6881 * config/mips/mips.c (function_arg): Where one part of a
6882 complex argument is in registers and the other part in the stack,
6883 return a REG not a PARALLEL.
6885 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6887 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6888 when cross-compiling. Do not substitute libstdcxx_incdir.
6889 * configure: Regenerated.
6891 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6893 * varasm.c (mergeable_string_section): Check for embedded NULs and
6894 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6895 rather than TREE_STRING_LENGTH bytes.
6897 2006-06-21 Richard Guenther <rguenther@suse.de>
6899 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6900 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6903 2006-06-21 Richrad Guenther <rguenther@suse.de>
6905 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6906 Limit iteration over the dominators.
6908 2006-06-20 Roger Sayle <roger@eyesopen.com>
6910 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6911 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6913 2006-06-20 Richard Guenther <rguenther@suse.de>
6914 Michael Matz <matz@suse.de>
6916 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6918 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6919 * et-forest.h (et_free_pools): Prototype new function.
6920 * et-forest.c (et_free_tree_force): Free parent occurrence.
6921 (et_free_pools): New function.
6922 * dominance.c (free_dominance_info): Free et-forest alloc
6925 2006-06-20 Roger Sayle <roger@eyesopen.com>
6927 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6928 integer modes, attempt to directly construct an integer constant.
6930 * fold-const.c (native_encode_vector): Determine the size of each
6931 element from the vector type instead of the first vector element.
6933 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6934 if all of its elements/components are constant.
6935 (build_constructor_from_list): Likewise.
6937 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6939 PR tree-optimization/27331
6940 * tree-data-ref.c (free_data_ref): New function.
6941 (create_data_ref): Fail if the data reference has unknown access
6943 (free_data_refs): Use free_data_ref.
6945 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6948 * tree-inline.c (setup_one_parameter): Strip useless
6949 type conversion before adding it to the IR.
6950 (declare_return_variable): Likewise.
6952 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6955 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6957 2006-06-19 Mike Stump <mrs@apple.com>
6959 * tree.c (variably_modified_type_p): VM arguments don't make the
6962 2006-06-19 Richard Guenther <rguenther@suse.de>
6964 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6965 type conversions after folding.
6967 2006-06-19 Richard Guenther <rguenther@suse.de>
6969 * ggc-page.c (extra_order_size_tab): Add entries with
6970 size of struct function and basic_block.
6971 (size_lookup): Extend to cover sizes up to 511.
6972 (ggc_alloc_stat): Adjust user.
6973 (ggc_pch_count_object): Likewise.
6974 (ggc_pch_alloc_object): Likewise.
6975 (ggc_pch_write_object): Likewise.
6977 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6979 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6980 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6983 2006-06-19 Denis Chertykov <denisc@overta.ru>
6985 * config/avr/libgcc.S : Correct my wrong previous commit.
6987 2006-06-19 Roger Sayle <roger@eyesopen.com>
6990 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6991 have stripped a SUBREG from the shift count, so we may need to
6992 convert_to_mode back to the type's mode before calling make_tree.
6993 Use new_amount instead of amount to avoid expanding a tree twice.
6995 2006-06-19 Richard Guenther <rguenther@suse.de>
6998 * fold-const.c (operand_equal_p): Check if the argument types
6999 have the same precision before stripping NOPs.
7001 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7003 Fix PR tree-optimization/27341
7004 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7006 * tree-complex.c (pass_lower_complex): Update SMT usage.
7008 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7010 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7011 Add a new alternative to the constraint strings. Add move of
7012 operand 1 to 3 to the splitter definition.
7013 ("doloop_si_long"): Second contraint alternative removed.
7015 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7017 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7018 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7020 (AVR_HAVE_MOVW) Define.
7021 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7022 (ASM_SPEC): Add avr25.
7023 (LINK_SPEC): Add avr25.
7024 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7025 (base_arch_s): Add new member 'have_movw_lpmx'.
7026 (avr_arch_types): Init 'have_movw_lpmx'.
7027 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7028 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7029 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7030 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7031 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7033 (avr_file_start): Do not output '.arh' derective.
7034 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7035 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7036 * config/avr/avr.md (mcu_enhanced): Delete.
7037 (mcu_have_movw): Define.
7038 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7039 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7040 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7041 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7042 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7043 attiny861 and at86rf401 devices.
7045 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7047 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7050 2006-06-17 Karl Berry <karl@gnu.org>
7052 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7053 doc/gccint.texi, doc/install.texi (@dircategory): Use
7054 "Software development" instead of "Programming", following
7055 the Free Software Directory.
7057 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7059 * config/i386/i386.c (legitimate_tls_address)
7060 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7061 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7062 (*tls_dynamic_gnu2_combine_64): Likewise.
7064 2006-06-16 Richard Guenther <rguenther@suse.de>
7067 * fold-const.c (negate_expr_p): Do not introduce undefined
7068 overflow in negating INTEGER_CSTs.
7069 (fold_negate_expr): Rename from negate_expr. Revert last
7070 change for folding BIT_NOT_EXPR. Change semantics to
7071 return NULL_TREE for non-simplified negations. Do not
7072 strip type conversions and unify type handling.
7073 (negate_expr): New function, wrap around fold_negate_expr
7074 but ensure building a tree always. Strip type conversions
7075 here, fold to result type.
7076 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7078 2006-06-16 Roger Sayle <roger@eyesopen.com>
7081 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7082 that (would) return their results in stack registers.
7084 2006-06-16 Michael Matz <matz@suse.de>
7085 Richard Guenther <rguenther@suse.de>
7087 * fold-const.c (fold_truthop): Only return new tree node if
7088 we canonicalized something.
7090 2006-06-16 Richard Guenther <rguenther@suse.de>
7092 * function.h (enum function_frequency): Move declaration
7093 out of struct function.
7094 (struct function): Move bool fields and the enum to the bitfield
7095 section. Reorder elements to avoid padding. Remove unused
7096 fields left over from the RTL inliner removal.
7097 * function.c (free_after_compilation): Do not zero removed fields.
7098 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7099 (ipa-type-escape.o): Likewise.
7101 2006-06-16 Richard Guenther <rguenther@suse.de>
7103 * cgraph.h (struct cgraph_local_info): Turn bool elements
7105 (struct cgraph_node): Likewise.
7106 (struct cgraph_varpool_node): Likewise.
7108 2006-06-15 Richard Guenther <rguenther@suse.de>
7110 * fold-const.c (fold_truth_not_expr): Rename from
7111 invert_truthvalue. Give it fold_* semantics to avoid
7113 (invert_truthvalue): New function. Wrapper around
7114 fold_truth_not_expr.
7115 (optimize_minmax_comparison): Avoid creating garbage.
7116 (fold_unary): Use fold_truth_not_expr for folding
7118 (fold_ternary): Replace uses of invert_truthvalue with
7119 fold_truth_not_expr where applicable.
7120 * tree.h (fold_truth_not_expr): Prototype.
7122 2006-06-16 Richard Guenther <rguenther@suse.de>
7124 PR tree-optimization/27781
7125 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7126 * ipa-pure-const.c (target.h): Include.
7127 (analyze_function): Do not analyze functions that do not
7130 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7133 * tree-dfa.c (referenced_vars_dup_list): Remove.
7134 (find_referenced_vars): Remove assert.
7135 (referenced_var_check_and_insert): Replace dup list with assert.
7136 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7137 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7139 2006-06-15 Richard Guenther <rguenther@suse.de>
7141 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7142 extra unused identifiers if not dumping.
7143 (create_variable_info_for): Likewise.
7145 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7147 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7148 (derive_constant_upper_bound): Derive more precise upper bound in
7149 common cases. Return type changed to double_int.
7150 (record_estimate): Reflect the changed return type of
7151 derive_constant_upper_bound.
7152 * double-int.c (double_int_zext, double_int_sext): Fix.
7154 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7156 * configure.ac (CFLAGS): Get them from the toplevel or from the
7157 configure invocation.
7158 * configure: Regenerate.
7159 * Makefile.in (CFLAGS): Substitute value provided by configure.
7161 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7164 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7165 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7166 rather than calling add_stmt on it.
7167 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7169 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7172 * reload1.c (reload): Remove registers returned by update_eliminables
7173 from used_spill_regs.
7175 2006-06-13 DJ Delorie <dj@redhat.com>
7177 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7179 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7181 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7182 html__strip_dir, html__mkdir_p. Enhance install-html target.
7183 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7184 * configure: Regenerate.
7186 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7188 * fold-const.c (fold_cond_expr_with_comparison): Check for
7189 Objective-C++ as language in deciding COND_EXPR transformation.
7191 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7194 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7195 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7196 * config/sh/lib1funcs.h (SL, SL1): Define.
7197 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7198 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7199 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7200 (OBJS_Os_4_200): New variable.
7201 ($(T)libgcc-Os-4-200.a): Use it.
7202 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7203 when dividing 1 and/or by 0.
7205 2006-06-13 Roger Sayle <roger@eyesopen.com>
7207 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7208 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7209 * configure: Regenerate.
7211 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7213 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7214 for real instruction.
7216 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7219 * haifa-sched.c (check_cfg): Handle special case.
7221 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7224 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7225 Add debug_info parameter. Chain the vars to the BLOCK instead
7226 of the BIND_EXPR if debug info are requested for them.
7227 (pop_gimplify_context): Adjust for above change.
7228 (gimple_add_tmp_var): Likewise.
7229 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7231 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7232 (convert_local_reference): Likewise.
7233 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7234 (finalize_nesting_tree_1): Request that debug info be emitted
7235 for debug_var_chain.
7237 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7239 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7240 for PR target/27863.
7242 2006-06-13 Richard Guenther <rguenther@suse.de>
7245 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7247 2006-06-13 Richard Guenther <rguenther@suse.de>
7249 PR tree-optimization/27830
7250 * tree-inline.c (copy_body_r): For copying the operand
7251 of an ADDR_EXPR make sure to fold &* afterwards.
7253 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7255 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7256 lvalues in the fb_none case with side-effects.
7258 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7260 * tree-flow.h: Remove the prototype for
7261 compute_phi_arg_on_exit.
7262 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7263 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7266 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7268 * builtins.c (expand_builtin_return_addr): Only use
7269 frame_pointer_rtx when count == 0 and we are expanding
7270 __builtin_return_address.
7272 2006-06-12 Fred Fish <fnf@specifix.com>
7274 * config/mips/mips.c (mips_file_start): Create special section
7275 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7277 2006-06-11 Eric Christopher <echristo@apple.com>
7280 * stor-layout.c (place_field): Remove check for
7281 remaining_in_alignment when aligning at the end of a run.
7283 2006-06-11 Eric Christopher <echristo@apple.com>
7286 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7289 2006-06-11 Roger Sayle <roger@eyesopen.com>
7292 Revert incorrect fix for PR target/27158
7293 2006-05-08 Roger Sayle <roger@eyesopen.com>
7294 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7295 of a reg_equiv_constant if the result is a legitimate constant.
7297 2006-06-11 Roger Sayle <roger@eyesopen.com>
7300 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7301 extract a CONST_VECTOR element and interpret it as an integer.
7302 (vspltis_constant): Use const_vector_elt_as_int instead of the
7303 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7304 * config/rs6000/predicates.md (easy_vector_const): Consider
7305 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7307 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7310 * stor-layout.c (update_alignment_for_field): Don't add extra
7311 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7314 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7316 * config/mips/t-rtems: Add EL/EB multilib variants.
7318 2006-06-09 Mike Stump <mrs@apple.com>
7320 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7322 2006-06-09 David Daney <ddaney@avtrex.com>
7324 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7326 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7328 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7330 2006-06-09 Richard Guenther <rguenther@suse.de>
7332 PR tree-optimization/26998
7333 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7334 of signed types, only TYPE_MIN_VALUE is special, but for both,
7335 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7336 in this case, as is -fwrapv.
7338 2006-06-08 Mike Stump <mrs@apple.com>
7341 * config/darwin.c (darwin_asm_output_anchor): Disable
7342 -fsection-anchors on darwin for now.
7343 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7344 * rs6000/rs6000.c (optimization_options): Likewise.
7346 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7349 * config/i386/i386.c (classify_argument): Skip fields with invalid
7352 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7354 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7355 (cse_insn): Likewise for the stack_pointer_rtx.
7357 2006-06-08 Roger Sayle <roger@eyesopen.com>
7359 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7360 conditions from floating point comparisons.
7362 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7365 * expmed.c (struct alg_hash_entry): Fix type of field T
7366 to match synth_mult argument.
7367 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7369 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7372 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7375 2006-06-08 Richard Guenther <rguenther@suse.de>
7378 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7379 only, if overflow is defined and not trapping.
7380 (negate_expr): Likewise.
7382 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7384 PR tree-optimization/27872
7385 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7386 flag on the new exit edge of the unrolled loop.
7388 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7390 PR rtl-optimization/26449
7391 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7393 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7396 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7397 referenced_variables with matching DECL_UID's.
7398 (find_referenced_vars): Make sure duplicate list is empty to start.
7399 (referenced_var_p): Remove.
7400 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7401 Check if var is in the list, and add if needed. Update the duplicate
7402 list if a different var is in the list with the same DECL_UID.
7403 (add_referenced_var): Call routine to check and insert.
7404 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7405 * tree-flow.h (referenced_vars_dup_list): External declaration.
7407 2006-06-07 Fred Fish <fnf@specifix.com>
7409 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7412 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7415 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7416 the imaginary and real parts of a clobbered register.
7417 Emit insn to set the imaginary part.
7419 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7421 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7422 in lieu of unwind-dw2-fde.c.
7424 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7426 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7428 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7431 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7432 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7433 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7434 V4SImode temporaries and operations instead.
7436 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7438 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7441 2006-06-06 Mike Stump <mrs@apple.com>
7443 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7444 installing during build.
7446 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7448 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7450 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7451 * config/ia64/ia64.c (params.h): New header.
7452 (ia64_optimization_options): New function to adjust parameters.
7453 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7454 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7455 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7457 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7459 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7461 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7464 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7466 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7467 Victor Kaplansky <victork@il.ibm.com>
7469 PR tree-optimization/26360
7470 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7473 2006-06-04 Roger Sayle <roger@eyesopen.com>
7474 Andrew Pinski <pinskia@physics.uc.edu>
7477 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7478 for LABEL_DECL before calling DECL_WEAK.
7481 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7482 LABEL_DECL and PARM_DECL.
7484 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7488 * c-decl.c (grokdeclarator): Disallow variably modified types at
7489 file scope. Avoid marking shared array type of constant size as
7492 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7495 * c-common.c (fold_offsetof_1): Handle static members.
7497 2006-06-04 Eric Christopher <echristo@apple.com>
7499 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7500 (debug_rli): Output value for remaining_in_alignment.
7501 (update_alignment_for_field): Unconditionalize
7502 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7503 extra alignment code.
7504 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7505 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7506 * tree.h (record_layout_info_s): Remove prev_packed.
7507 * doc/extend.texi (ms_struct): Add documentation of format.
7509 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7511 * tree.h: Declare folding_initializer.
7512 * builtins.c (fold_builtin_constant_p): Give definite answer
7513 if folding inside an initializer.
7514 * fold-const.c: Define folding_initializer.
7515 (START_FOLD_INIT): Save and then set folding_initializer.
7516 (END_FOLD_INIT): Restore folding_initializer.
7518 2006-06-04 Richard Guenther <rguenther@suse.de>
7520 PR tree-optimization/27039
7521 * fold-const.c (fold_comparison): Handle pointer comparison
7522 again for all comparison codes. Compare offsets in signed
7524 (fold_binary): Move code from here.
7526 2006-06-03 Roger Sayle <roger@eyesopen.com>
7529 * config/i386/i386.c (construct_container): Split static issued_error
7530 flag into issued_sse_arg_error, issued_sse_ret_error and
7531 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7532 requires the use of x87 registers and the user explicitly
7533 specified the -mno-80387 command line option.
7535 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7537 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7538 HAVE_DECL_SIGALTSTACK.
7540 (segv_handler): Use MC_FLD.
7541 * configure.ac: Check for a sigaltstack declaration.
7542 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7543 * configure: Regenerate.
7544 * config.in: Regenerate.
7546 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7549 * Makefile.in (stmp-fixinc): Fix typo.
7551 2006-06-02 Roger Sayle <roger@eyesopen.com>
7553 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7554 are type correct. Clean-up.
7555 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7556 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7558 2006-06-01 DJ Delorie <dj@redhat.com>
7560 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7561 shift, as we've disabled the "switch" insn that needs it.
7563 2006-06-01 Per Bothner <bothner@bothner.com>
7565 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7566 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7567 * c-ppoutput.c (cb_define): Don't increment line 0.
7569 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7571 * doc/invoke.texi: Add cpu_type power6.
7572 * config.gcc: Add cpu_type power6.
7573 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7574 to power5+ with Altivec.
7575 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7576 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7578 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7580 * config/avr/avr.h (SET_ASM_OP): Define.
7582 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7584 * config/bfin/bfin.c: Fix comment typos.
7586 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7589 * doc/install.texi: Document --enable-bootstrap and
7590 --disable-bootstrap.
7592 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7594 * doc/install.texi: Document that InfoZIP can replace jar.
7596 2006-05-31 Roger Sayle <roger@eyesopen.com>
7598 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7599 isn't available, directly generate the simpler x87 patterns without
7600 the (use (const_int 0)).
7601 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7602 implementation isn't available.
7603 (*negdf2_1): Likewise.
7604 (*negxf2_1): XF mode negation is always done using the x87.
7605 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7607 2006-05-31 Roger Sayle <roger@eyesopen.com>
7609 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7610 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7612 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7614 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7616 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7617 * config/bfin/bfin.c (basic-block.h): Include.
7618 (struct machine_function): New.
7619 (bfin_init_machine_status): New.
7620 (override_options): Initialize init_machine_status.
7621 (bfin_hardware_loop): New.
7622 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7623 (DEF_VEC_P (loop_info)): New.
7624 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7625 (struct loop_info): New.
7626 (loop_info): New typedef.
7627 (struct loop_work): New.
7628 (loop_work): New typedef.
7629 (DEF_VEC_O (loop_work)): New.
7630 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7631 (bfin_dump_loops): New.
7632 (bfin_bb_in_loop): New.
7633 (bfin_scan_loop): New.
7634 (bfin_optimize_loop): New.
7635 (bfin_reorg_loops): New.
7636 (bfin_reorg): Use bfin_reorg_loops.
7637 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7639 (I_REGNO_P): Simplify.
7640 (DP_REGNO_P, DPREG_P): New macros.
7641 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7642 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7643 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7644 Add LT_REGS, LC_REGS, LB_REGS.
7645 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7647 (REGNO_REG_CLASS): Deal with loop registers.
7648 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7650 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7651 New constants for loop registers.
7652 (UNSPEC_LSETUP_END): New.
7653 (seq_insns): New define_attr. Set it for appropriate insns.
7654 (movsi_insn): Add alternatives for move from/to
7655 loop count registers.
7656 (doloop_end): New define_expand.
7657 (loop_end): New define_insn.
7658 (define_split for bad doloop_end): New.
7659 (lsetup_with_autoinit): New define_insn.
7660 (lsetup_without_autoinit): New define_insn.
7661 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7662 * config/bfin/predicates.md (lc_register_operand): New.
7663 (lt_register_operand): New.
7664 (lb_register_operand): New.
7665 (nondp_register_operand): New.
7666 (nondp_reg_or_memory_operand): New.
7667 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7669 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7671 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7672 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7674 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7676 * Makefile.in (CATALOGS): Add po/ prefix.
7677 * configure: Regenerated.
7679 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7682 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7683 a shift operand before calling shift_op. Avoid redundant call of
7686 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7687 DJ Delorie <dj@redhat.com>
7689 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7690 we're inserting is a singlt-bit constant.
7692 2006-05-30 Roger Sayle <roger@eyesopen.com>
7694 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7695 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7697 2006-05-30 Roger Sayle <roger@eyesopen.com>
7699 PR tree-optimization/23452
7700 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7701 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7702 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7703 complex values and with -ffast-math for FP complex values.
7705 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7707 * c-common.h: Remove the prototype for yyparse.
7708 * rtl.h: Remove the prototype for init_loop.
7710 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7712 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7715 2006-05-30 Roger Sayle <roger@eyesopen.com>
7717 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7719 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7720 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7722 2006-05-30 Dirk Mueller <dmueller@suse.de>
7725 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7726 for CONSTANT_CLASS_P expresisons.
7728 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7731 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7733 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7735 PR tree-optimization/27779
7736 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7737 initial_condition instead of CHREC_LEFT.
7739 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7741 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7742 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7743 Make prototypes ISO C90.
7745 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7746 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7748 * see.c (see_analyze_one_def): Correct check.
7749 (see_get_extension_data): Check if extension is parallel.
7750 (see_get_extension_reg): Likewise.
7752 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7755 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7756 into register for (code == GTU).
7758 2006-05-29 Roger Sayle <roger@eyesopen.com>
7760 PR tree-optimization/24964
7761 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7762 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7763 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7764 abs(x)*abs(x) as x*x for scalar floating point modes.
7766 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7769 * lambda-code.c (perfect_nestify): Don't copy statements
7770 in the inner loop: move them to the inner loop header.
7772 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7775 * c-tree.texi: Document OpenMP directives and clauses.
7777 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7779 * varasm.c (globalize_decl): Fix indentation.
7781 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7784 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7785 pass_fre, pass_store_ccp, pass_copy_prop,
7786 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7787 pass_return_slot, pass_object_size, pass_lim,
7788 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7789 pass_loop_prefetch and pass_stdarg.
7791 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7793 * config/bfin/bfin.opt (mfdpic): New option.
7794 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7795 (EXTRA_MULTILIB_PARTS): Likewise.
7796 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7797 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7799 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7800 (CRT_CALL_STATIC_FUNCTION): New.
7801 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7803 (CRT_CALL_STATIC_FUNCTION): New.
7804 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7806 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7807 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7808 (initialize_trampoline): Changed to handle FD-PIC code generation.
7809 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7810 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7811 (override_options): Disallow -mid-shared-library -mfdpic combination.
7812 Can't do unaligned ops if FD-PIC.
7813 Turn off flag_pic if trying to generate non-id-shared-library
7814 non-fdpic code, since it's not supported.
7815 (bfin_assemble_integer): New function.
7816 (TARGET_ASM_INTEGER): Define.
7817 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7819 * config/bfin/crtn.s: Restore them.
7820 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7822 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7823 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7824 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7825 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7826 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7828 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7829 FDPIC_REGS and FDPIC_FPTR_REGS.
7830 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7831 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7832 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7833 (load_funcdescsi): New pattern.
7834 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7835 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7836 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7838 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7840 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7843 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7845 * tree-flow.h: Remove the prototype for add_type_alias.
7846 * tree-ssa-alias.c (add_type_alias): Remove.
7848 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7850 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7851 config/fr30/fr30.md, config/i386/i386-interix.h,
7852 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7853 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7854 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7855 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7856 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7857 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7858 Follow spelling conventions.
7859 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7860 Follow spelling conventions.
7862 2006-05-27 Richard Guenther <rguenther@suse.de>
7865 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7866 to produce a constant of value 1 of generic type.
7868 2006-05-27 Dirk Mueller <dmueller@suse.de>
7870 * cgraphunit.c (decide_is_function_needed): Fix wrong
7873 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7875 PR rtl-optimization/27661
7876 * reload.c (find_reloads): When reloading a VOIDmode constant
7877 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7878 use Pmode as mode of the reload register.
7880 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7882 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7883 is enabled at -O and above.
7885 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7888 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7891 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7894 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7895 for anonymous variables explicitly declared by front ends.
7897 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7899 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7900 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7901 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7902 ref-all pointers, run a finalization pass for them.
7903 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7904 (finalize_ref_all_pointers): New function.
7905 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7906 regular pointer type to a ref-all pointer type.
7907 (get_tmt_for): Return the special memory tag for ref-all pointers.
7909 2006-05-25 Richard Guenther <rguenther@suse.de>
7912 * fold-const.c (fold_binary): Do not look at the stripped
7913 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7915 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7917 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7918 for LT and GT if the computed range is effectively empty.
7920 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7923 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7924 mips_quad_format formats instead of ieee_single_format,
7925 ieee_double_format and ieee_quad_format formats, respectively.
7927 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7929 PR tree-optimization/27639
7930 PR tree-optimization/26719
7931 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7932 call to scev_probably_wraps_p.
7933 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7934 used_in_pointer_arithmetic_p, convert_step): Removed.
7935 (nowrap_type_p): New function.
7936 (scev_probably_wraps_p): Rewritten.
7937 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7938 chrec_convert if chrec_convert_aggressive might have been used.
7939 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7940 scev_direction): New functions.
7941 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7942 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7943 instead of convert_step.
7944 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7945 (convert_step): Declaration removed.
7946 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7948 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7950 * df-core.c: Added to header comments.
7951 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7952 df_ur_bb_info, df_urec_bb_info): Added comments.
7953 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7954 urec, ri problems): Fixed header comments.
7955 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7956 code from df_rd_transfer_function.
7958 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7960 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7961 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7962 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7964 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7966 * expr.c (undefined_operand_subword_p): New.
7967 (emit_move_multi_word): Do not generate move from undefined bits
7968 of a paradoxical subreg.
7970 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7972 PR rtl-optimization/27736
7973 * combine.c (replaced_rhs_value): New variable.
7974 (combine_instructions): Set it.
7975 (distribute_notes): When distributing a note in replaced_rhs_insn,
7976 check whether the value was used in replaced_rhs_value.
7978 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7981 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7982 add_referenced_var instead of add_referenced_tmp_var.
7983 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7984 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7986 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7987 tree_optimize_tail_calls_1): Use add_referenced_var.
7988 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7989 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7990 Use add_referenced_var.
7991 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7992 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7993 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7994 Use add_referenced_var.
7995 * tree-dfa.c (struct walk_state): Remove.
7996 (find_referenced_vars): Remove walk state and vars_found hash table.
7997 (make_rename_temp): Use add_referenced_var.
7998 (find_vars_r): Pass less parameters to add_referenced_var.
7999 (referenced_var_p): New. Is var in referenced_var hash table.
8000 (referenced_var_insert): Assert var isn't already in hash table.
8001 (add_referenced_var): Don't need walk_state parameter. Add var if it
8002 isn't already in the hash table.
8003 (add_referenced_tmp_var): Remove.
8004 (find_new_referenced_vars_1): Use add_referenced_var.
8005 * tree-ssa-pre.c (create_expression_by_pieces,
8006 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8007 Use add_referenced_var.
8008 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8009 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8010 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8012 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8013 vect_create_data_ref_ptr, vect_create_destination_var,
8014 vect_init_vector, vect_build_loop_niters,
8015 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8016 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8017 Use add_referenced_var.
8018 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8019 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8020 (add_referenced_var): Add prototype.
8021 * tree-ssa-structalias.c (get_constraint_for,
8022 intra_create_variable_infos): Use add_referenced_var.
8024 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8026 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8027 big-endian paradoxical subregs.
8028 * var-tracking.c (struct micro_operation_def): Document that,
8029 for modify micro operations, insn is the subsequent instruction.
8030 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8031 (var_reg_set, var_mem_set): ... new functions.
8032 (add_stores): Record subsequent insn.
8033 (compute_bb_dataflow): Use new functions for MO_USE.
8034 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8035 notes after the insn, and modify notes before the insn known
8036 to be the subsequent one.
8037 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8039 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8042 * config/i386/i386.c (ix86_expand_builtin): Use
8043 gen_sse3_monitor64 for TARGET_64BIT.
8045 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8047 PR rtl-optimization/26375
8048 PR rtl-optimization/26855
8049 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8051 (df_ru_bb_local_compute): Reversed statements and removed bogus
8052 comment explaining why they should be in wrong order.
8053 (df_ru_dump, df_rd_dump): Enhanced debug info.
8054 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8056 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8057 reaching uses and fixed space problem.
8059 2006-05-23 Jan Hubicka <jh@suse.cz>
8061 * cgraphunit.c (decide_is_function_needed): Also nested functions
8062 and functions declared inline can be optimized out at -O0.
8064 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8066 * doc/install.texi (Configuration): Remove reference to CrossGCC
8070 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8073 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8074 ix86_compare_emitted is non-NULL.
8076 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8079 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8082 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8084 PR rtl-optimization/25514
8085 * combine.c (replaced_rhs_insn): New variable.
8086 (combine_instructions): Set replaced_rhs_insn when trying to replace
8087 a SET_SRC with a REG_EQUAL note.
8088 (distribute_notes): Use replaced_rhs_insn when determining the live
8089 range of a REG_DEAD register.
8091 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8092 Anatoly Sokolov <aesok@post.ru>
8094 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8095 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8096 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8097 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8098 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8099 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8100 at90usb647, at90usb1286 and at90usb1287 devices.
8101 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8102 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8104 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8106 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8108 2006-05-22 Richard Guenther <rguenther@suse.de>
8111 2006-01-31 Richard Guenther <rguenther@suse.de>
8112 Paolo Bonzini <bonzini@gnu.org>
8114 * doc/install.texi (--disable-libgcc-math): Document.
8116 2006-05-22 Richard Guenther <rguenther@suse.de>
8119 2006-01-31 Richard Guenther <rguenther@suse.de>
8121 * doc/invoke.texi (-msselibm): Document.
8122 * target.h (expand_library_builtin): New target hook.
8123 * builtins.c (expand_builtin): Use expand_library_builtin.
8124 (default_expand_library_builtin): New function.
8125 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8126 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8127 (link_gcc_math_spec): Declare.
8128 (static_specs): Add link_gcc_math_spec.
8129 * expr.h (default_expand_library_builtin): Declare.
8130 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8131 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8132 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8133 * config/i386/i386.opt (msselibm): New target option.
8134 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8135 (ix86_init_sse_abi_builtins): New function.
8136 (ix86_expand_library_builtin): Likewise.
8137 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8138 (override_options): Handle error conditions wrt -msselibm.
8139 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8140 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8141 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8144 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8147 * c-common.c (self_promoting_args_p): Skip erroneous args.
8150 * c-decl.c (finish_struct): Skip erroneous fields.
8152 2006-05-22 Nick Clifton <nickc@redhat.com>
8154 * config/cris/cris.opt (march): Remove VarExists attribute.
8155 (max-stackframe=): Likewise.
8157 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8159 * doc/rtl.texi: Fix a typo.
8160 * see.c: Fix comment typos.
8162 * tree-ssa-structalias.h (alias_info): Remove num_references.
8164 2006-05-21 Mike Stump <mrs@apple.com>
8166 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8168 (darwin_pragma_options): Use BAD instead.
8169 (darwin_pragma_unused): Likewise.
8170 (darwin_pragma_ms_struct): Likewise.
8172 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8174 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8176 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8178 PR rtl-optimization/27671
8179 * simplify-rtx.c (simplify_relational_operation_1): Fix
8180 simplifications of (eq/ne (xor x y) y) and
8181 (eq/ne (xor x y) x).
8183 PR tree-optimization/26622.
8184 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8187 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8189 * tree-cfg.c: Prune whitespace.
8190 (debug_tree_cfg): Point to correct header containing the
8193 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8196 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8198 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8201 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8202 or sorry count is non zero.
8204 2006-05-20 Andreas Schwab <schwab@suse.de>
8206 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8208 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8209 Kenneth Zadeck <zadeck@naturalbridge.com>
8211 PR rtl-optimization/26855
8213 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8215 (df_scan_alloc): Added code to properly handle multiword hard
8216 registers and add all_blocks parameter.
8217 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8218 code to properly handle multiword hard registers.
8219 (df_rescan_blocks): Added code to remove deleted blocks from
8221 (df_ref_create_structure, df_ref_record): Added code to properly
8223 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8224 and set DF_REF_PARTIAL.
8225 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8226 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8227 (df_scan_add_problem): Added flags parameter.
8228 (df_ref_create_structure): Changed switching structure.
8229 (df_bb_refs_record): Fixed case where duplicate artificial refs
8230 were created. Changed location of flags.
8231 (df_record_entry_block_defs): Added code to make stack pointer
8232 live in entry block. Refined cases where frame pointer is needed.
8233 Changed location of flags.
8234 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8235 (df_set_state): Removed function.
8236 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8237 df_insn_create_insn_record, df_insn_refs_delete,
8238 df_ref_create_structure): Formatting changes.
8239 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8240 df_delete_basic_block): New function.
8241 (df_init): Changed location of flags.
8242 (df_add_problem): Added flags parameter and the way flags are
8244 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8245 debug_df_chain): Improved debugging output.
8246 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8247 (df_refs_chain_dump): Removed df parameter.
8248 (df_iterative_dataflow): Added consistency check.
8249 (df_prune_to_subcfg): Made public.
8250 (df_analyze_problem): Added blocks_to_init parameter and made
8252 (df_ref_record, df_bb_refs_record, df_mark_reg,
8253 df_record_exit_block_uses): Whitespace changes.
8254 (df_dump): Whitespace changes.
8255 * df.h: Some reordering to remove forward references.
8256 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8257 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8258 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8259 (dataflow.flags): New field.
8260 (df.flag): Deleted field.
8261 (df_alloc_function): Added additional bitmap parameter.
8262 (df_dependent_problem_function): New type.
8263 (df_problem.changeable_flags): New field.
8264 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8265 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8266 (df_mw_hardreg): New struct.
8267 (DF_INSN_UID_MWS): New macro.
8268 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8270 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8271 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8272 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8273 (df_set_state): Removed function.
8274 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8275 * df-problems.c (df_chain_dump): Removed df parameter.
8276 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8277 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8279 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8280 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8281 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8282 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8283 DF_REF_MUST_CLOBBER cases.
8284 (df_ru_bb_local_compute_process_def,
8285 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8286 df_lr_bb_local_compute, df_ur_bb_local_compute,
8287 df_chain_create_bb): Made subreg aware.
8288 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8289 df_lr_bb_local_compute, df_lr_bb_local_compute,
8290 df_chain_create_bb): Cleanup to use proper macros.
8291 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8292 code to fixup bitvectors.
8293 (df_ri_alloc): Cleared lifetime.
8294 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8295 df_create_unused_note): New function.
8296 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8297 REG_DEAD and REG_UNUSED notes as well as register information.
8298 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8299 df_chains_dump): Fixed crash if problem was never run.
8300 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8301 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8302 df_ri_add_problem): Processes flags in uniform manner.
8303 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8304 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8305 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8306 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8307 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8308 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8309 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8310 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8311 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8312 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8313 * see.c (see_initialize_data): Ditto.
8314 * final.c (rest_of_clean_state) Added regstack_completed.
8315 * rtl.h (regstack_completed): Ditto.
8316 * reg-stack.c (regstack_completed): Ditto.
8318 2006-05-19 Mike Stump <mrs@apple.com>
8320 * c-tree.h (default_conversion): Remove.
8321 * c-common.h (default_conversion): Add.
8323 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8325 * tree-vrp.c (valid_value_p): New function.
8326 (adjust_range_with_scev): Fail if the value of bound is not
8329 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8331 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8332 (mips_fallback_frame_state): Use syscall numbers to determine
8333 the appropriate li instruction for the current ABI. Only use
8334 __NR_sigreturn for o32.
8336 2006-05-19 Nicolas Setton <setton@adacore.com>
8338 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8339 * langhooks.c (lhd_dwarf_name): New function.
8340 * langhooks-def.h (lhd_dwarf_name): Declare.
8341 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8342 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8343 * ada/misc.c (gnat_dwarf_name): New function.
8344 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8346 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8348 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8350 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8351 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8352 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8353 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8354 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8355 determine the size of Wtype, etc.
8356 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8357 (swfloatfuncs): New variable.
8358 (dwfloatfuncs): Likewise.
8359 (lib2funcs): Remove floating-point conversion functions from
8360 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8361 the set of conversion routines needed. Allow entries to specify
8362 an object name, filename and word size. Update users accordingly.
8363 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8364 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8368 2006-02-08 Roger Sayle <roger@eyesopen.com>
8371 * config/fixtfdi.c: New libgcc source file.
8372 * config/fixunstfdi.c: New source file.
8373 * config/floatditf.c: New source file.
8374 * config/floatunditf.c: New souce file.
8375 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8376 files above instead of config/mips/_tilib.c.
8377 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8379 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8381 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8382 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8384 2006-05-18 Mike Stump <mrs@apple.com>
8386 Fix up vla, vm and [*] sematics.
8392 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8393 (c_vla_unspec_p): Add.
8394 (c_vla_type_p): Add.
8395 * c-decl.c (struct c_scope): Add had_vla_unspec.
8396 (build_array_declarator): Add support for [*].
8397 (grokdeclarator): Likewise.
8398 (grokparms): Likewise.
8399 (get_parm_info): Likewise.
8400 * c-objc-common.c (c_vla_unspec_p): Likewise.
8401 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8402 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8403 typeof when argument is a variably modified type not inside sizeof or alignof.
8404 (c_parser_direct_declarator_inner): Propagate errors.
8405 (c_parser_sizeof_expression): Add support for [*].
8406 (c_parser_parms_declarator): Initialize had_vla_unspec.
8407 (c_parser_parms_list_declarator): Likewise.
8408 * c-typeck.c (c_vla_type_p): Add.
8409 (composite_type): Add support for vla compositing.
8410 (comptypes_internal): Add support for vla compatibility.
8411 (c_expr_sizeof_expr): Evaluate vla arguments.
8412 * tree.c (variably_modified_type_p): Update comment for [*].
8414 2006-05-18 Michael Matz <matz@suse.de>
8417 * config.host: Make assignments to host_xmake_file cumulative.
8418 * config.host (*-darwin*): Test $host, not $target.
8420 2006-05-12 Stuart Hastings <stuart@apple.com>
8422 * config/i386/i386.opt (-mstackrealign): New flag.
8423 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8424 (ix86_handle_cconv_attribute): Emit error when
8425 force_align_arg_pointer attribute collides with too many regparms.
8426 (ix86_function_regparm): Limit regparms when used with
8427 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8428 Support stack-realigning prologue in non-main functions. Emit
8429 warning for nested functions under -mstackrealign, emit error for
8430 nested functions with force_align_arg_pointer attribute.
8431 * doc/extend.texi (force_align_arg_pointer): Document it.
8432 * doc/invoke.texi (-mstackrealign): Document it.
8434 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8436 PR rtl-optimization/27477
8437 * combine.c (try_combine): Don't split a parallel consisting
8438 of two sets into two individual sets if both sets reference
8441 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8443 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8444 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8446 * doc/options.texi (VarExists): Updated.
8448 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8450 * unwind-dw2.c: Add declarations for uw_update_context and
8452 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8453 detected, advance frame state and context once to skip over stub.
8455 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8459 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8460 Call rewrite_into_loop_closed_ssa only when something changed.
8461 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8462 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8463 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8464 Test for perfect_nest_p here. Fix formating.
8465 (replace_uses_equiv_to_x_with_y): Fix formating.
8466 (stmt_uses_op): Removed.
8467 (can_convert_to_perfect_nest): Removed loopivs parameter.
8468 Complete the test by checking the scalar dependences.
8469 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8472 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8475 From Dan Kegel <dank@kegel.com>:
8476 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8478 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8480 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8481 if the element type is variably modified without recursing.
8483 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8486 * tree-loop-linear.c (try_interchange_loops): Test for
8487 no data dependences.
8489 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8491 PR tree-optimization/27548
8492 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8493 range of ssa names that appear on abnormal edges.
8494 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8495 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8497 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8500 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8502 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8505 * tree.h (OMP_PARALLEL_COMBINED): Define.
8506 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8507 (new_omp_context): Add is_combined_parallel argument.
8508 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8509 new_omp_context caller.
8510 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8511 Adjust gimplify_scan_omp_clauses callers.
8512 (omp_is_private): Issue errors if iteration variable is firstprivate
8513 or reduction in the current context.
8514 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8515 on combined parallel workshare constructs.
8517 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8519 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8520 (gcc-options.o): New rule.
8522 * optc-gen.awk: Protect variables for gcc-options.o with
8523 #ifdef GCC_DRIVER/#endif.
8525 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8527 Fix PR tree-optimization/27373
8528 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8529 (forward_propagate_addr_expr): Update call.
8531 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8533 * doc/options.texi: Move the Negative option.
8535 2006-05-16 Richard Guenther <rguenther@suse.de>
8537 PR tree-optimization/22303
8538 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8540 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8541 ccp_fold did not simplify the statement.
8543 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8546 * Makefile.in (GCC_OBJS): New.
8547 (OBJS-common): Add opts-common.o.
8548 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8549 (cpp$(exeext)): Likewise.
8550 (gcc.o): Also depend on opts.h.
8551 (opts-common.o): New.
8553 * common.opt (gcoff): Add Negative(gdwarf-2).
8554 (gdwarf-2): Add Negative(gstabs).
8555 (gstabs): Add Negative(gstabs+).
8556 (gstabs+): Add Negative(gvms).
8557 (gvms): Add Negative(gxcoff).
8558 (gxcoff): Add Negative(gxcoff+).
8559 (gxcoff+): Add Negative(gcoff).
8560 * config/i386/i386.opt (m32): Add Negative(m64).
8561 (m64): Add Negative(m32).
8563 * doc/options.texi: Document the Negative option.
8565 * gcc.c: Include "opts.h".
8566 (main): Call prune_options after expandargv.
8568 * optc-gen.awk: Generate common declarations for all flag
8569 variables in options.c. Output the neg_index field.
8571 * opts.c (find_opt): Moved to ...
8572 * opts-common.c: Here. New file.
8574 * opts.h (cl_option): Add a neg_index field.
8576 (prune_options): Likewise.
8578 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8581 * omp-low.c (expand_omp_parallel): Don't assert
8582 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8583 instead search for it.
8586 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8589 2006-05-16 Andreas Schwab <schwab@suse.de>
8591 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8594 2006-05-15 Roger Sayle <roger@eyesopen.com>
8597 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8598 integer constants other than zero are only legitimate on TARGET_64BIT.
8599 <CONST_VECTOR> Only zero vectors are legitimate.
8600 (ix86_cannot_force_const_mem): Integral and vector constants can
8601 always be put in the constant pool.
8603 2006-05-16 DJ Delorie <dj@redhat.com>
8605 * crtstuff.c (__dso_handle): Set section from
8606 TARGET_LBIGCC_SDATA_SECTION if defined.
8607 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8608 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8610 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8613 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8616 2006-05-16 Ben Elliston <bje@au.ibm.com>
8618 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8620 2006-05-15 Per Bothner <per@bothner.com>
8622 * tree.c: (last_annotated_node): Use source_locus typedef.
8623 This permits bootstrapping with --enable-mapped-location.
8625 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8627 PR tree-optimization/26830
8628 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8629 (info_for_ssa_name, current_info_for_ssa_name_age,
8630 blocks_to_update): New variables.
8631 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8632 (clear_ssa_name_info, initialize_flags_in_bb,
8633 mark_block_for_update): New functions.
8634 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8635 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8636 prepare_def_site_for): Use mark_block_for_update.
8637 (mark_def_interesting): Assert that the processed block is marked in
8638 blocks_to_update. Do not take blocks argument.
8639 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8641 (rewrite_update_init_block, rewrite_update_stmt): Only process
8642 blocks with statements to rewrite.
8643 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8644 (update_ssa): Initialize and free blocks_to_update. Do not
8645 clear flags on statements. Do not use blocks bitmap.
8646 * tree.h (SSA_NAME_AUX): Removed.
8647 (struct tree_ssa_name): Removed aux field.
8648 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8650 2006-05-15 Richard Guenther <rguenther@suse.de>
8652 PR tree-optimization/27603
8653 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8654 Do computations in original type.
8656 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8658 * see.c: Code style changes such as redundant paranthesis,
8659 redundant intialization of local variables etc.
8660 (see_main): Declared now as static.
8661 * doc/invoke.texi: Update that -fsee is not enabled by
8664 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8666 * omp-low.c (check_omp_nesting_restrictions): New function.
8667 (scan_omp_1): Call it.
8670 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8671 construct, return *VAR.
8673 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8675 PR rtl-optimization/27406
8676 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8679 2006-05-14 Roger Sayle <roger@eyesopen.com>
8681 PR rtl-optimization/27538
8682 * combine.c (expand_compound_operation): Call gen_lowpart
8683 before calling simplify_shift_const.
8685 2006-05-14 Roger Sayle <roger@eyesopen.com>
8687 PR rtl-optimization/22563
8688 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8689 a fixed width bitfield, always force the intermediates into psuedos.
8691 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8694 * mkconfig.sh: Use operator = instead of == for test.
8696 2006-05-13 Nick Clifton <nickc@redhat.com>
8698 * dwarf2out.c (dbx_reg_number): Check return value from
8699 LEAF_REG_REMAP and only use it if it is valid.
8700 (multiple_reg_loc_descriptor): Likewise.
8702 2006-05-13 Richard Guenther <rguenther@suse.de>
8704 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8707 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8709 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8710 information attached to non-INSNs such as NOTEs.
8711 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8713 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8715 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8717 * config/s390/s390.md: Adjust comment describing On constraint.
8719 2006-05-11 Jan Hubicka <jh@suse.cz>
8721 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8722 to be output at -O0.
8724 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8727 * fold-const.c (size_binop): Move sanity check for arguments to
8728 the beginning of the function.
8731 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8734 2006-05-11 Richard Guenther <rguenther@suse.de>
8737 * fold-const.c (fold_unary): Handle intermediate conversion
8738 to a pointer type like intermediate conversion to an integer
8739 type in folding of (T1)(T2)var to var.
8740 Match the code to the comment in the final conversion for
8741 (T1)(T2)var to (T1)var regarding to type precision. Rather
8742 than disallow T1 being of pointer type, assert that both T1
8743 and var are of pointer type or not. Make sure not to fall
8744 over the frontends lazyness wrt array to pointer decay though.
8746 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8748 * arm.c (arm_struct_value_rtx): Delete.
8749 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8750 (arm_init_cumulative_args): Always initialize nregs to zero.
8752 2006-05-10 Richard Guenther <rguenther@suse.de>
8754 PR tree-optimization/27532
8755 * tree-object-size.c (plus_expr_object_size): Fix typo.
8757 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8760 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8761 ashrdi_const, ashrdi3): Use a scratch register.
8763 2006-05-10 Richard Guenther <rguenther@suse.de>
8765 PR tree-optimization/27302
8766 * fold-const.c (operand_equal_p): For two comparisons,
8767 try comparison of one comparison code swapped if that yields
8770 2006-05-10 Ben Elliston <bje@au.ibm.com>
8772 * tree-pretty-print.c (pretty_print_string): No need to handle
8773 '\0' as a special character.
8775 * tree.h: Include "hashtab.h".
8776 (iterative_hash_expr): Use hashval_t in its prototype.
8777 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8779 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8782 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8783 (hppa*64*-*-hpux11*): Ditto.
8784 (hppa[12]*-*-hpux11*): Ditto.
8786 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8789 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8791 2006-05-09 Michael Matz <matz@suse.de>
8793 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8794 host_extra_gcc_objs and host_xmake_file.
8795 (<*-*-linux*>): Don't overwrite host_xmake_file.
8796 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8797 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8798 (host_detect_local_cpu): Declare.
8799 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8800 * config/i386/i386.c (override_options): Handle -mtune=native
8802 * config/i386/x-i386: New file.
8803 * config/i386/driver-i386.c: New file.
8804 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8807 2006-05-09 Dirk Mueller <dmueller@suse.de>
8808 Richard Guenther <rguenther@suse.de>
8811 * fold-const.c (fold_read_from_constant_string): Relax check
8812 for matching types to matching modes.
8814 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8816 PR rtl-optimization/27335
8817 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8820 2006-05-08 Chao-ying Fu <fu@mips.com>
8821 Richard Sandiford <richard@codesourcery.com>
8823 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8824 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8825 * config/mips/mips.md (UNSPEC_SCC): New constant.
8826 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8827 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8828 (mips_emit_compare): Use it.
8829 (mips_expand_vcondv2sf): New function.
8831 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8833 Fix PR tree-optimization/27093
8834 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8835 renaming when they become not-used_alone.
8837 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8839 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8840 relocation and relocation stubs.
8842 2006-05-08 Eric Christopher <echristo@apple.com>
8844 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8847 2006-05-08 Jan Hubicka <jh@suse.cz>
8850 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8851 unused static functions are needed.
8853 2006-05-08 Roger Sayle <roger@eyesopen.com>
8856 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8857 of a reg_equiv_constant if the result is a legitimate constant.
8859 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8862 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8863 standard 80387 constants, raise the cost to prevent
8864 compress_float_constant() to generate load from memory.
8866 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8868 * config/arm/constraints.md (c): Fix a typo.
8870 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8873 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8876 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8878 (_mm_mwait): Likewise.
8880 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8882 (sse3_monitor): Make it 32bit only.
8883 (sse3_monitor64): New. 64bit monitor.
8885 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8888 * config/i386/i386.c (classify_argument): Skip fields with invalid
8891 2006-05-07 Richard Guenther <rguenther@suse.de>
8893 PR tree-optimization/27409
8894 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8895 Do not try to find zero-sized subvars.
8897 2006-05-07 Richard Guenther <rguenther@suse.de>
8899 PR tree-optimization/27136
8900 * tree-ssa-loop-niter.c (get_val_for): Correct function
8901 comment, assert requirements.
8902 (loop_niter_by_eval): Stop processing if the iterated
8903 value did not simplify.
8905 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8907 * opts.c (flag_see): remove its setting at -O3.
8909 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8911 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8912 * arm/constraints.md: New file.
8913 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8914 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8915 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8916 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8917 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8918 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8919 * arm.md: Include constraints.md.
8920 (thumb_movsi_insn): Use satisfies_constraint_J.
8921 (movhi, movqi): Use satisfies_constraint_I.
8923 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8925 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8926 for atmeg a645 device.
8928 2006-05-06 Richard Guenther <rguenther@suse.de>
8930 PR tree-optimization/27151
8931 * tree-vect-transform.c (vectorizable_condition): Punt on
8932 values that have a different type than the condition.
8934 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8937 * c-parser.c (c_parser_cast_expression): Only insert casts into
8938 hash table if pointer.
8939 * function.c (used_types_insert_helper): Rename from
8941 (used_types_insert): Call used_types_insert_helper.
8942 * function.h (used_types_insert): Accept only one argument.
8944 2006-05-05 David Edelsohn <edesohn@gnu.org>
8946 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8947 scratch with output modifier.
8949 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8952 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8953 with output modifier.
8955 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8958 * config/mips/mips.c (mips_symbolic_address_p): Return true
8959 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8960 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8962 2006-05-04 Richard Guenther <rguenther@suse.de>
8964 PR tree-optimization/14287
8965 PR tree-optimization/14844
8966 PR tree-optimization/19792
8967 PR tree-optimization/21608
8968 PR tree-optimization/27090
8969 * tree-ssa-pre.c (try_combine_conversion): New function.
8970 (compute_avail): After constructing the value-handle
8971 expression, use try_combine_conversion to combine NOP_EXPRs
8972 with previous value-handle expressions and use the result if it
8975 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8977 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8979 2006-05-04 Jan Hubicka <jh@suse.cz>
8982 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8984 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8986 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8987 that this only matches CONST_INTs. All users changed to VOIDmode
8990 * config/bfin/bfin.c: Include "optabs.h".
8991 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8993 (enum bfin_builtins): Add a number of fractional and vector builtins.
8994 (bfin_init_builtins): Likewise.
8995 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8996 (safe_vector_operand, bfin_expand_binop_builtin,
8997 bfin_expand_unop_builtin): New functions.
8998 (bfin_expand_builtin): Handle the new builtins.
8999 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9002 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9005 * Makefile.in (OBJS-common): Add see.o.
9006 (see.o): Add dependencies.
9007 * common.opt (fsee): New flag for the see optimization was added.
9008 * opts.c (flag_see): Initialized.
9009 * passes.c (init_optimization_passes, pass_see): New pass.
9010 * rtl.h (see_main): Declaration as extern.
9011 * timevar.def (TV_SEE): New.
9012 * tree-pass.h (pass_see): Declaration as extern.
9013 * invoke.texi (-fsee): Document.
9014 * recog.c (validate_simplify_insn): New function.
9015 * recog.h (validate_simplify_insn): Declaration as extern.
9016 * df-problems.c (df_chain_dump): Check for NULL.
9018 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9019 Daniel Berlin <dberlin@dberlin.org>
9021 * cfgrtl.c (insert_insn_bb_end_new): New function.
9022 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9024 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9026 * df.h (struct web_entry): Moved from web.c.
9027 (union_defs): Declaration as extern.
9028 (unionfind_root): Likewise.
9029 (unionfind_union): Likewise.
9030 * web.c (struct web_entry): Moved to df.h.
9031 (unionfind_root): Remove static declaration.
9032 (unionfind_union): Likewise.
9033 (union_defs): Likewise and generalize to use callback function.
9034 (web_main): Update arguments for union_defs function call.
9036 2006-05-04 Richard Guenther <rguenther@suse.de>
9038 PR tree-optimization/26447
9039 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9040 produce SSA_NAME copies before the store stmt to avoid
9041 breaking exception handling.
9043 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9046 * gimplify.c (omp_is_private): If var is shared in some outer context,
9047 return false instead of true. Stop searching on parallel context
9050 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9053 * coverage.c: Use get_gcov_unsigned_t() instead of
9054 unsigned_type_node all over.
9056 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9058 PR tree-optimization/27381
9059 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9060 maintain the same immediate_use links.
9061 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9062 node rather than segfaulting.
9064 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9067 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9068 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9069 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9071 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9073 Fix PR tree-optimization/26626
9074 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9076 * tree-ssa-operands.c (access_can_touch_variable): Allow
9077 typecasting through union pointers.
9079 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9082 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9083 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9084 to find if var will be a global variable even in the nested context.
9085 (omp_copy_decl): Only check for global variable at the end, it might
9086 be overridden in outer contexts.
9087 (scan_sharing_clauses): For global variables don't create a field.
9088 (lower_rec_input_clauses): Do nothing for global shared variables.
9089 Emit a barrier at the end of ILIST if there were any decls in both
9090 firstprivate and lastprivate clauses.
9091 (lower_send_clauses): Do nothing for global variables except for
9094 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9096 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9097 of the correct signedness is returned.
9099 2006-05-02 Jeff Law <law@redhat.com>
9101 PR tree-optimization/27364
9102 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9103 multiply expressions.
9105 2006-05-02 Tom Tromey <tromey@redhat.com>
9107 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9109 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9112 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9113 -mthumb -fPIC are used.
9115 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9116 Joshua Kinard <kumba@gentoo.org>
9119 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9120 with 64-bit pointers.
9122 2006-05-02 Paul Brook <paul@codesourcery.com>
9124 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9126 (create_fix_barrier): Check that a suitable barrier location is
9128 (arm_reorg): Include ftmp->address in allowable range of addresses.
9130 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9133 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9136 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9139 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9140 around RESULT_DECL for result passed by reference.
9141 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9142 * omp-low.c (use_pointer_for_field): Don't look at
9143 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9144 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9145 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9146 time or var for passing by reference for
9147 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9148 TREE_ADDRESSABLE variables when passing by reference.
9150 * omp-low.c (dump_omp_region): Fix output formatting.
9153 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9154 (expand_omp_parallel): Likewise.
9155 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9158 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9159 on statement list containing also constructors and destructors.
9160 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9163 * except.c (duplicate_eh_regions): Fix clearing of
9164 cfun->eh->region_array entries.
9166 2006-05-01 DJ Delorie <dj@redhat.com>
9168 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9170 (gcc_cv_objdump): Likewise.
9171 * configure: Regenerated.
9173 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9176 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9177 templates for case 3 and 4.
9179 2006-05-01 DJ Delorie <dj@redhat.com>
9181 * vec.c: Include bconfig.h when appropriate.
9182 * Makefile.in (build/vec.o): Adjust dependencies.
9183 * mkconfig.sh: Make sure config.h isn't used for build machine
9186 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9188 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9190 (mark_phi_for_rewrite): New function.
9191 (insert_phi_nodes_for, mark_use_interesting): Call
9192 mark_phi_for_rewrite.
9193 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9194 (update_ssa): Initialize and free phis_to_rewrite.
9196 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9198 PR rtl-optimization/27291
9199 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9200 folded to a constant.
9202 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9204 PR tree-optimization/27283
9205 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9206 not whole # of iteration descriptions.
9207 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9208 uses abnormal ssa name.
9209 (niter_for_single_dom_exit): Ditto.
9210 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9211 return just the number of iterations.
9213 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9215 PR tree-optimization/27144
9216 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9217 (record_estimate): Only record constant upper bound.
9218 (infer_loop_bounds_from_undefined): Call
9219 compute_estimated_nb_iterations just once.
9220 (proved_non_wrapping_p): Renamed to ...
9221 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9222 (convert_step_widening, scev_probably_wraps_p): Call
9223 n_of_executions_at_most instead of proved_non_wrapping_p.
9224 (substitute_in_loop_info): Do not replace values in bounds.
9225 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9228 2006-05-01 Richard Henderson <rth@redhat.com>
9231 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9232 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9235 2006-05-01 Roger Sayle <roger@eyesopen.com>
9237 * c-typeck.c (parser_build_binary_op): Don't call the function
9238 unsigned_conversion_warning to spot operand/result type overflow.
9239 (build_binary_op): Instead, call convert_and_check instead of
9240 convert to report the problem when the operands are promoted.
9241 * c-common.c (unsigned_conversion_warning): Make static.
9242 * c-common.h (unsigned_conversion_warning): Delete prototype.
9244 2006-05-01 Richard Guenther <rguenther@suse.de>
9246 PR tree-optimization/26726
9247 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9249 (find_interesting_uses_address): ... we work around here
9250 by folding INDIRECT_REFs in the substituted base.
9252 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9254 * omp-low.c (dump_omp_region): Add newlines.
9256 2006-04-30 Roger Sayle <roger@eyesopen.com>
9258 * common.opt (Woverflow): New command line option.
9259 * c-common.c (constant_expression_warning): Check warn_overflow.
9260 (overflow_waring): Pass OPT_Woverflow to warning.
9261 (unsigned_conversion_warning): Likewise.
9262 (convert_and_check): Likewise.
9263 * doc/invoke.texi: Document new command line option.
9265 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9267 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9268 TARGET_NO_FP_IN_TOC for section anchors.
9269 (optimization_options): Enable section anchors for all
9270 non-"Objective" languages.
9272 2006-04-28 Eric Christopher <echristo@apple.com>
9274 * config/darwin-c.c (darwin_ms_struct): Move this
9275 (darwin_set_default_type_attributes): and this...
9276 * config/darwin.c: ... here.
9277 * config/darwin.h (darwin_ms_struct): Declare.
9279 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9281 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9283 2006-04-28 Roger Sayle <roger@eyesopen.com>
9286 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9287 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9288 an unsigned HOST_WIDE_INT.
9289 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9291 (really_start_incremental_init): No need to call convert because
9292 bitsize_zero_node is already of type bitsizetype.
9293 (push_init_level): Extract the value of constructor_index as an
9294 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9295 (process_init_element): Likewise.
9297 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9299 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9300 value before passing to make_relative_prefix.
9302 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9305 * builtins.c (expand_builtin_memset): Expand val in original mode.
9307 2006-04-27 Eric Christopher <echristo@apple.com>
9309 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9310 with #ifndef/#endif.
9311 * config/darwin-c.c (darwin_ms_struct): New.
9312 (darwin_pragma_ms_struct): Ditto.
9313 (darwin_set_default_type_attributes): Ditto.
9314 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9315 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9316 Register ms_struct pragma.
9317 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9318 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9319 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9320 darwin_set_default_type_attributes if TARGET_MACHO.
9322 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9324 PR tree-optimization/26854
9325 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9326 * doc/tree-ssa.texi: Update immuse iterator documentation.
9327 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9328 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9329 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9330 first_safe_imm_use, next_safe_imm_use): Remove.
9331 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9332 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9333 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9334 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9335 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9336 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9337 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9338 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9339 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9340 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9341 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9342 (perfect_nestify): Use new iterator.
9343 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9345 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9346 (next_imm_name): New field in struct immediate_use_iterator_d.
9347 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9348 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9349 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9350 * tree-cfg.c (replace_uses_by): Use new iterator.
9351 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9352 * tree-ssa-operands.c (correct_use_link): Remove.
9353 (finalize_ssa_use_ops): No longer call correct_use_link.
9355 2006-04-27 Stuart Hastings <stuart@apple.com>
9357 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9358 * config/t-darwin (crt3.o): Use it.
9359 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9360 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9361 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9362 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9363 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9366 2006-04-27 Roger Sayle <roger@eyesopen.com>
9368 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9369 size, force the intermediate into a new pseudo rather instead of
9370 performing both a bitwise AND and a bitwise IOR in memory.
9372 2006-04-27 Richard Guenther <rguenther@suse.de>
9374 PR rtl-optimization/26685
9375 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9376 this one "max-flow-memory-locations".
9378 2006-04-27 Richard Guenther <rguenther@suse.de>
9380 PR tree-optimization/25148
9381 * tree-vrp.c (compare_values): Remove code dealing with
9382 comparisons against type min/max value. Honour overflow
9383 and negative constants in code dealing with comparisons
9384 of plus and minus expressions.
9385 (value_inside_range): Use fold_binary with LE_EXPR and
9386 GE_EXPR rather than compare_values.
9388 2006-04-27 Dirk Mueller <dmueller@suse.de>
9390 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9393 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9395 * basic-block.h (safe_insert_insn_on_edge): Removed.
9396 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9398 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9399 Paolo Bonzini <bonzini@gnu.org>
9402 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9403 (simplify_and_const_int): Same.
9405 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9407 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9409 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9412 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9413 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9414 cgraph_global_info_ready.
9417 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9420 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9421 either decl or init is error_mark_node.
9424 * tree-flow.h (struct omp_region): Add sched_kind.
9425 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9426 instead of extracting omp for data.
9427 (expand_omp_for): Save extracted sched_kind.
9429 2006-04-25 Roger Sayle <roger@eyesopen.com>
9431 * expmed.c (store_bit_field): Also check whether the bitsize is
9432 valid for the machine's "insv" instruction before moving the
9433 target into a pseudo for use with the insv.
9434 * config/i386/predicates.md (const8_operand): New predicate.
9435 * config/i386/i386.md (extv, extzv, insv): Use the new
9436 const8_operand predicate where appropriate.
9438 2006-04-25 DJ Delorie <dj@redhat.com>
9440 * doc/install.texi (Specific): Clarify that this is not a list of
9441 supported hosts or targets.
9443 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9445 PR rtl-optimization/26725
9446 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9447 block's BB_DIRTY flag.
9449 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9451 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9454 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9455 to print an integer.
9457 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9459 * varasm.c (align_variable): New function.
9460 (get_block_for_decl): Apply align_variable to DECL before
9461 calculating section information.
9462 (assemble_variable): Split out alignment computation.
9464 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9466 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9469 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9471 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9472 MODE_PARTIAL_INT mode.
9473 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9474 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9476 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9477 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9479 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9481 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9483 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9484 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9485 MACFLAG_IH): Likewise.
9486 (movstricthi_1): Renamed from "*movstricthi".
9487 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9488 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9489 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9490 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9491 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9492 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9493 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9494 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9495 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9496 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9497 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9498 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9499 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9500 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9501 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9503 * doc/rtl.texi (ss_ashift): Improve wording.
9505 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9507 * dwarf2out.c (verify_marks_clear): New.
9508 (prune_unused_types): Call verify_marks_clear initially, not
9511 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9513 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9514 * doc/rtl.texi: Document them.
9515 * simplify-rtx.c (simplify_unary_operation,
9516 simplify_binary_operation_1): Don't abort when we see them.
9518 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9521 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9522 * configure.ac: Completely disregard languages that are not
9524 * configure: Regenerated.
9526 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9527 Richard Guenther <rguenther@suse.de>
9529 PR tree-optimization/27236
9530 * tree-inline.c (copy_body_r): Make sure to copy
9531 TREE_THIS_VOLATILE flag.
9533 2006-04-24 Richard Guenther <rguenther@suse.de>
9536 * tree-complex.c (update_parameter_components): Don't handle
9537 unused parameters which have no default def.
9539 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9540 Richard Guenther <rguenther@suse.de>
9542 PR tree-optimization/27218
9543 * tree-inline.c (expand_call_inline): Strip useless type
9544 conversions for the return slot address.
9546 2006-04-24 Richard Guenther <rguenther@suse.de>
9548 * cfgloop.h (struct loops): Remove unused field array. Reorder
9550 (LOOP_PREFETCH): Remove.
9552 2006-04-24 Richard Guenther <rguenther@suse.de>
9554 PR tree-optimization/22525
9555 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9556 variable, adjust types of generated expressions.
9558 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9560 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9561 (tree-vect-patterns.o): Likewise.
9563 (cselib.o): Likewise.
9564 (loop-doloop.o): Likewise.
9565 (regclass.o): Likewise.
9566 (reload1.o): Likewise.
9567 (explow.o): Replace target.h with $(TARGET_H).
9568 (ipa-prop.o): Likewise.
9569 (ipa-cp.o): Likewise.
9570 (ipa-inline.o): Likewise.
9571 (reorg.o): Likewise.
9572 (reg-stack.o): Likewise.
9574 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9576 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9578 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9580 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9582 * configure.ac: Completely disregard languages that are not
9584 * configure: Regenerated.
9587 * c-common.h (c_build_bitfield_integer_type): Declare.
9588 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9589 * c-common.c (c_build_bitfield_integer_type): ... here.
9591 2006-04-23 Roger Sayle <roger@eyesopen.com>
9594 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9595 a SImode SUBREG of a floating point register after no_new_pseudos.
9597 2006-04-23 Roger Sayle <roger@eyesopen.com>
9599 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9600 identify potentially eliminable registers to additionally catch
9601 VIRTUAL_INCOMING_ARGS_REGNUM.
9602 (addsi3): Update the conditions on when to use addsi_small_int.
9604 2006-04-23 Roger Sayle <roger@eyesopen.com>
9607 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9608 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9609 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9611 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9613 * fold-const.c (range_predecessor): Use operand_equal_p
9614 as the predicate for equality.
9615 (range_successor): Likewise.
9617 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9620 * config/soft-fp/op-common.h: Fix a typo.
9622 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9625 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9626 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9628 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9630 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9632 * doc/tm.texi: Fix a typo.
9634 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9636 * dwarf2out.c (struct die_struct): Document that die_sib makes
9637 a circular linked list.
9638 (FOR_EACH_CHILD): New.
9639 (reverse_die_lists): Delete.
9640 (reverse_all_dies): Delete.
9641 (add_dwarf_attr): Correct documentation.
9642 (remove_child_with_prev): New.
9643 (remove_child_TAG): Update for change to die_struct, use
9644 remove_child_with_prev.
9645 (add_child_die): Update for change to die_struct.
9646 (splice_child_die): Use remove_child_with_prev and add_child_die.
9647 (print_die): Use FOR_EACH_CHILD.
9648 (die_checksum): Likewise.
9649 (assign_symbol_names): Likewise.
9650 (output_location_lists): Likewise.
9651 (build_abbrev_table): Likewise.
9652 (calc_die_sizes): Likewise.
9653 (mark_dies): Likewise.
9654 (unmark_dies): Likewise.
9655 (unmark_all_dies): Likewise.
9656 (output_die): Likewise.
9657 (prune_unused_types_mark): Likewise.
9658 (prune_unused_types_walk): Likewise.
9659 (same_die_p): Update for change to die_struct.
9660 (break_out_includes): Likewise.
9661 (prune_unused_types_prune): Likewise.
9662 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9663 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9665 (dwarf2out_finish): Don't call reverse_all_dies.
9667 2006-04-21 Eric Christopher <echristo@apple.com>
9669 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9670 in comments and function names.
9672 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9675 * c-typeck.c (digest_init): Robustify.
9677 * c-typeck.c (pop_init_level): Simplify.
9679 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9681 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9683 2006-04-21 Paul Brook <paul@codesourcery.com>
9685 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9686 hardware floating point.
9688 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9690 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9693 2006-04-21 Nick Clifton <nickc@redhat.com>
9695 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9698 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9701 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9702 C++ lang type in traceback table for Objective-C++.
9704 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9706 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9708 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9710 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9713 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9714 were errors. Remove check for erroneous objects.
9716 2006-04-20 Jeff Law <law@redhat.com>
9718 PR tree-optimization/26854
9719 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9720 checking for zero or one use.
9721 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9722 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9723 * tree-ssa-reassoc.c (negate_value): Similarly.
9724 (reassociate_bb): Similarly.
9726 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9728 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9729 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9730 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9732 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9734 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9735 fp regs if the last fp arg doesn't fit in regs.
9737 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9740 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9741 that the last insn has the REG_INC note.
9743 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9744 Nathan Sidwell <nathan@codesourcery.com>
9747 * stor-layout.c (update_alignment_for_field): Do not align
9749 (place_union_field): Place union field at the start of the union.
9750 (place_field): Move ERROR_MARK check later, and use the current
9751 allocation position to maintain monotonicity.
9753 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9755 * dominance.c: Include timevar.h.
9756 (calculate_dominance_info): Use TV_DOMINANCE.
9757 * timevar.def (TV_DOMINANCE): New timevar.
9758 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9760 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9762 PR rtl-optimization/14261
9763 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9764 move would be an INSV insn.
9765 (noce_process_if_block): Don't optimize if the destination is a
9766 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9768 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9770 * config/s390/s390.md: Add comments with the instructions emitted
9771 by an insn pattern if macros are used.
9773 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9775 PR rtl-optimization/26026
9776 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9777 is a known power of two shifted left a variable amount.
9779 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9781 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9782 to hash table twice when the debug_str section has SECTION_MERGE.
9784 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9786 * config/soft-fp: New directory. From glibc.
9787 * config/soft-fp/t-softfp: New.
9788 * config/soft-fp/README: New.
9789 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9790 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9791 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9792 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9793 * config.gcc: Use rs6000/t-fprules-fpbit or
9794 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9796 * config/rs6000/sfp-machine.h: New. Based on glibc.
9797 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9799 * config/rs6000/t-fprules: Remove fp-bit rules.
9800 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9801 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9802 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9803 (softfp_wrap_start, softfp_wrap_end): New.
9805 2006-04-18 DJ Delorie <dj@redhat.com>
9807 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9809 2006-04-18 Devang Patel <dpatel@apple.com>
9811 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9813 2006-04-18 Nick Clifton <nickc@redhat.com>
9815 * config/sh/t-symbian: Add rule to build sh-c.o
9816 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9817 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9818 (sh_symbian_encode_section_info): Likewise.
9820 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9822 * builtins.c (expand_builtin_strcmp): Cover label definition of
9823 do_libcall with HAVE_cmpstrnsi.
9825 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9827 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9829 * function.h (temp_slot_p): New.
9830 (function): Change the type of x_used_temp_slots to
9831 VEC(temp_slot_p,gc) *.
9833 2006-04-18 Nick Clifton <nickc@redhat.com>
9835 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9836 flag_strength_reduce.
9838 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9840 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9844 Partial revert of revision 112637
9845 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9846 Dale Johannesen <dalej@apple.com>
9849 * regclass.c (struct reg_pref): Update documentation.
9850 (regclass): Set prefclass to NO_REGS if memory is the best option.
9851 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9853 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9855 PR tree-optimization/26821
9856 * tree-ssa-math-opts.c (get_constant_one): New.
9857 (insert_reciprocals): Use it.
9859 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9861 * dwarf2out.c (free_AT): Delete.
9862 (remove_AT): Update string ref counts.
9863 (remove_child_TAG): Don't call free_die.
9865 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9866 or DW_TAG_GNU_EINCL.
9867 (prune_unused_types_walk_attribs): Reset string refcounts.
9868 (prune_unused_types_update_strings): New.
9869 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9870 call free_die. Do call prune_unused_types_update_strings.
9871 (prune_unused_types): Empty debug_str_hash.
9873 2006-04-17 Roger Sayle <roger@eyesopen.com>
9875 * expr.c (expand_assignment): Optimize away no-op moves where the
9876 source and destination are equal and have no side-effects.
9878 2006-04-17 Richard Guenther <rguenther@suse.de>
9881 * reload.c (push_reload): Guard calls to get_secondary_mem
9884 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9886 * alias.c (reg_base_value, old_reg_base_value): Change the
9887 type to VEC(rtx,gc) *.
9888 (REG_BASE_VALUE, find_base_value, record_set,
9889 init_alias_analysis): Use VEC instead of VARRAY.
9891 * alias.c (alias_sets): Change the type to
9892 VEC(alias_set_entry,gc) *.
9893 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9894 VEC instead of VARRAY.
9895 (last_alias_set): Remove.
9897 * cgraph.h (cgraph_edge_p): New.
9898 Update the prototype of cgraph_function_versioning.
9899 * cgraphunit.c (cgraph_copy_node_for_versioning,
9900 cgraph_function_versioning): Use VEC instead of VARRAY.
9901 * ipa-cp.c (ipcp_insert_stage): Likewise.
9903 2006-04-16 Roger Sayle <roger@eyesopen.com>
9906 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9907 "A op B" or "A op C", we may need to convert A to the type of B and C.
9909 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9911 * target.h (struct gcc_target): Add mode_rep_extended.
9912 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9913 (init_num_sign_bit_copies_in_rep): Initialize it using
9915 (truncate_to_mode): Use it.
9916 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9917 * targhooks.h (default_mode_rep_extended): Declare it.
9918 * targhooks.c (default_mode_rep_extended): Define it.
9919 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9920 default_mode_rep_extended.
9921 (TARGET_INITIALIZER): Include it.
9922 * doc/tm.texi (Misc): Document it.
9923 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9924 (mips_truncated_to_mode): New function.
9926 2006-04-16 Roger Sayle <roger@eyesopen.com>
9929 * expr.c (compress_float_constant): Copy the narrow constant into
9930 a new pseudo before extending it to its final width.
9932 2006-04-16 Roger Sayle <roger@eyesopen.com>
9933 Andrew Pinski <pinskia@gcc.gnu.org>
9934 Dale Johannesen <dalej@apple.com>
9937 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9938 special case code to implement V8HImode and V16QImode with SSE2.
9940 2006-04-15 Roger Sayle <roger@eyesopen.com>
9942 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9943 trees are constructed with a suitable tree type.
9945 2006-04-15 Roger Sayle <roger@eyesopen.com>
9947 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9948 (integer_onep): Likewise.
9949 (integer_all_onesp): Likewise.
9950 (integer_pow2p): Likewise.
9951 (integer_nonzerop): Likewise.
9952 (real_zerop): Likewise.
9953 (real_onep): Likewise.
9954 (real_twop): Likewise.
9955 (real_minus_onep): Likewise.
9956 (int_size_in_bytes): Likewise.
9957 (host_integerp): Likewise.
9959 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9961 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9962 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9963 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9965 * tree-ssa-structalias.h (alias_info): Remove num_references.
9967 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9969 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9970 (output_bvb patterns): Likewise.
9971 * pa.c (output_bb): Use 'bb' insn for long branch case.
9972 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9973 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9974 1. Correct length operand for alternatives 1 and 2.
9975 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9976 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9978 2006-04-14 Roger Sayle <roger@eyesopen.com>
9980 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9981 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9982 were accidentally reverted by r112959.
9984 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9987 * except.h (eh_region_outermost): New prototype.
9988 * except.c (eh_region_outermost): New function.
9989 * tree-cfg.c (find_outermost_region_in_block): Use it.
9991 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9993 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9995 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9996 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9997 (init_reload, reload): Use VEC instead of VARRAY.
9998 * reload.h: Update the prototype for
9999 reg_equiv_memory_loc_varray.
10001 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10002 Eric Botcazou <ebotcazou@libertysurf.fr>
10004 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10005 register save area.
10007 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10009 PR middle-end/27134
10010 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10011 to expand fallback builtin function call.
10013 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10015 PR middle-end/27095
10016 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10017 and emit libcall here in case the builtin fails.
10018 (expand_builtin_strcmp): Always emit the libcall here on failure.
10020 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10022 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10023 * flow.c (reg_n_info): Change the type to
10024 VEC(reg_info_p,heap) *.
10025 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10027 * regs.h (reg_info_p): New.
10028 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10029 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10030 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10033 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10035 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10037 * params.h (MAX_SCHED_READY_INSNS): New macro.
10038 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10039 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10040 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10041 the ready list for 1 cycle during the first scheduling pass.
10042 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10044 2006-04-13 Richard Henderson <rth@redhat.com>
10047 * gimple-low.c (lower_omp_directive): Remove dead code.
10048 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10049 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10050 * omp-low.c (struct omp_region): Move to tree-flow.h.
10051 (root_omp_region): Export.
10052 (omp_regions, lookup_omp_region): Remove.
10053 (determine_parallel_type): Update for struct omp_region changes.
10054 (dump_omp_region): Dump regions with block numbers.
10055 (new_omp_region): Take type and block instead of stmt; malloc
10057 (free_omp_region_1, free_omp_regions): New.
10058 (expand_parallel_call): Take entry_stmt as argument; update for
10059 changes to omp_region.
10060 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10061 (remove_exit_barriers): New.
10062 (expand_omp_parallel): Update for struct omp_region changes.
10063 (expand_omp_synch): Likewise.
10064 (expand_omp): Likewise.
10065 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10066 (expand_omp_for_static_chunk): Likewise.
10067 (expand_omp_for): Likewise.
10068 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10069 (expand_omp_sections): Similarly, with GOMP_sections_end.
10070 (expand_omp_single): New.
10071 (build_omp_regions_1): Update for OMP_CONTINUE.
10072 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10073 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10074 OMP_SECTIONS_SECTIONS.
10075 (lower_omp_single_simple): Don't emit barrier here.
10076 (lower_omp_single_copy): Likewise.
10077 (lower_omp_single): Fix bindings, and lower to straightline now.
10078 (lower_omp_master, lower_omp_ordered): Likewise.
10079 (lower_omp_critical): Likewise.
10080 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10081 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10082 omp edges, free it afterward.
10083 (make_omp_sections_edges): Remove.
10084 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10085 (move_stmt_r): Handle OMP_CONTINUE.
10086 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10087 statement pointers to basic blocks. Add type member.
10088 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10089 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10090 * tree-inline.c (estimate_num_insns_1): Likewise.
10091 * tree-pretty-print.c (dump_generic_node): Likewise.
10092 * tree-ssa-operands.c (get_expr_operands): Likewise.
10093 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10094 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10095 (OMP_CONTINUE): New.
10096 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10097 (OMP_SECTIONS_SECTIONS): Remove.
10098 (OMP_SECTION_LAST): New.
10099 (OMP_RETURN_NOWAIT): New.
10101 2006-04-13 Roger Sayle <roger@eyesopen.com>
10103 * fold-const.c (native_encode_vector, native_interpret_real):
10104 Correct obvious mistakes in the previous check-in.
10106 2006-04-13 Roger Sayle <roger@eyesopen.com>
10108 * fold-const.c (native_encode_expr): New function to encode
10109 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10110 or VECTOR_CST into a specified buffer.
10111 (native_encode_int): New function.
10112 (native_encode_real): New function.
10113 (native_encode_complex): New function.
10114 (native_encode_vector): New function.
10115 (native_interpret_expr): Inverse of native_encode_expr to convert
10116 a target representation into an INTEGER_CST, REAL_CST etc...
10117 (native_interpret_int): New function.
10118 (native_interpret_real): New function.
10119 (native_interpret_complex): New function.
10120 (native_interpret_vector): New function.
10121 (fold_view_convert_expr): New function to constant fold/evaluate
10122 a VIEW_CONVERT_EXPR of a suitable constant expression.
10123 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10124 Change call of build1 to fold_build1 when constructing a
10127 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10128 Ulrich Weigand <uweigand@de.ibm.com>
10131 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10134 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10137 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10138 optimize to lo_sum for DFmode if !TARGET_FPRS.
10140 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10142 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10143 delete_alias_info, compute_flow_sensitive_aliasing,
10144 group_aliases): Use VEC instead of VARRAY.
10145 * tree-ssa-structalias.c (update_alias_info): Likewise.
10146 * tree-ssa-structalias.h (alias_info): Change the type of
10147 processed_ptrs to VEC(tree,heap) *.
10149 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10152 * config/sh/lib1funcs.h: New file, broken out of:
10153 * config/sh/lib1funcs.asm.
10154 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10156 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10157 * config/sh/lib1funcs-Os-4-200.asm: New file.
10158 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10159 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10160 (EXTRA_MULTILIB_PARTS): Include it.
10161 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10162 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10163 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10164 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10167 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10169 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10170 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10171 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10173 * tree-ssa-live.h: Include vecprim.h.
10174 (tree_partition_associator_d): Change the type of
10175 first_partition to VEC(int,heap) *.
10176 (tpa_first_partition): Use VEC instead of VARRAY.
10178 * Makefile.in (GTFILES): Move functions.h after tree.h.
10179 * function.c (reset_block_changes, record_block_change,
10180 check_block_change, free_block_changes): Use VEC instead of
10182 * function.h (function): Change the type of
10183 ib_boundaries_block to VEC(tree,gc) *.
10184 * tree-inline.c (copy_cfg_body): Initialize
10185 ib_boundaries_block to NULL instead of (varray_type) 0.
10187 2006-04-12 Roger Sayle <roger@eyesopen.com>
10189 * expr.c (emit_group_store): Correct operand order in call to
10190 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10191 a SUBREG_BYTE of zero.
10193 2006-04-12 Richard Guenther <rguenther@suse.de>
10195 * profile.c (compute_branch_probabilities): Remove code
10196 encapsulated in !ir_type (), which are remanents of the
10197 removed RTL profiling code.
10198 * rtl-profile.c: Remove.
10200 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10202 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10203 magic NULL_RTX comment.
10204 (function_arg): Store entire fp arg to mem if any part should go
10206 (rs6000_arg_partial_bytes): Adjust for above change.
10208 2006-04-11 Roger Sayle <roger@eyesopen.com>
10210 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10211 if it hasn't been initialized by dwarf2out_init.
10213 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10215 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10216 symbolic constants in branch patterns.
10218 2006-04-11 Roger Sayle <roger@eyesopen.com>
10220 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10222 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10224 PR rtl-optimization/27073
10225 * gcse.c (try_replace_reg): Revert last change. Continue to search
10226 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10229 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10231 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10232 aggregate types other than record and union types.
10233 (function_arg): Likewise.
10234 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10236 (function_value): In 64-bit mode, return objects that require it
10239 2006-04-11 Roger Sayle <roger@eyesopen.com>
10241 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10243 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10245 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10247 2006-04-03 Jeff Law <law@redhat.com>
10250 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10251 alias information too.
10253 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10255 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10257 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10260 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10261 (premark_used_types_helper): New.
10262 (premark_used_types): New.
10263 (gen_subprogram_die): Call premark_used_types.
10264 (prune_unused_types_walk): Do not prune perennial dies.
10265 * function.c (used_types_insert): New.
10266 * function.h (struct function): Add used_types_hash field.
10267 (used_types_insert): Add prototype.
10268 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10269 * c-parser.c (c_parser_cast_expression): Save casted types in used
10272 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10275 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10276 rs6000_explicit_options.float_gprs.
10278 2006-04-10 Roger Sayle <roger@eyesopen.com>
10280 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10281 from ix86_expand_vector_init_low_nonzero. Take an additional
10282 one_var argument indicating which element is non-zero. Support
10283 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10284 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10285 with one_var instead of ix86_expand_vector_init_low_nonzero.
10287 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10289 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10290 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10291 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10292 build/genextract.o): Depend on vecprim.h.
10293 * cfglayout.c, df-problems.c, function.c, genextract.c,
10294 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10295 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10299 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10301 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10302 Declare VECs of this type.
10303 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10304 (remove_children): Delete.
10305 (add_dwarf_attr): Use VEC routines.
10306 (add_AT_flag): Update for changes to add_dwarf_attr.
10307 (add_AT_int): Likewise.
10308 (add_AT_unsigned): Likewise.
10309 (add_AT_long_long): Likewise.
10310 (add_AT_vec): Likewise.
10311 (add_AT_string): Likewise.
10312 (add_AT_die_ref): Likewise.
10313 (add_AT_fde_ref): Likewise.
10314 (add_AT_loc): Likewise.
10315 (add_AT_loc_list): Likewise.
10316 (add_AT_addr): Likewise.
10317 (add_AT_lbl_id): Likewise.
10318 (add_AT_lineptr): Likewise.
10319 (add_AT_macptr): Likewise.
10320 (add_AT_offset): Likewise.
10321 (add_AT_range_list): Likewise.
10322 (get_AT): Use VEC_iterate.
10323 (remove_AT): Use VEC_ordered_remove.
10324 (free_die): Fold remove_children into here; have it use VEC_iterate.
10325 (print_die): Use VEC_iterate on attrs.
10326 (reverse_die_lists): Don't reverse attr lists.
10327 (die_checksum): Use VEC_iterate on attrs.
10328 (same_die_p): Likewise.
10329 (output_location_lists): Likewise.
10330 (build_abbrev_table): Likewise.
10331 (size_of_die): Likewise.
10332 (unmark_all_dies): Likewise.
10333 (output_abbrev_section): Likewise.
10334 (output_die): Likewise.
10335 (prune_unused_types_walk_attribs): Likewise.
10337 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10339 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10341 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10344 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10346 2006-04-09 Roger Sayle <roger@eyesopen.com>
10348 * expr.c (store_constructor): Don't bother clearing target if
10349 we're about to assign a vector to it using vec_init_optab.
10351 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10353 * tree-ssa-alias.c (lhs_may_store_to): New function.
10354 (recalculate_used_alone): Handle LHS of calls.
10356 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10360 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10361 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10362 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10363 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10364 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10365 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10366 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10367 stubs. Add ".align 8" directives before all ".dword" directives.
10368 (GTHREAD_USE_WEAK): Revise comment.
10369 (TARGET_ATTRIBUTE_WEAK): Define.
10370 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10371 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10372 * stublib.c: New file.
10377 * pa.md (cbranch patterns): Revise arguments used in calls to
10378 output_cbranch, output_bb and output_bvd. Add long branch length
10380 (fbranch patterns): Handle long branches.
10381 (jump): Revise length check. Revise arguments for output_lbranch call.
10382 Add long branch length attributes.
10383 (decrement_and_branch_until_zero): Add long branch length attributes.
10384 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10385 Likewise. Revise arguments for output_parallel_addb and
10386 output_parallel_movb calls.
10387 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10388 output_parallel_movb and output_parallel_addb): Update prototypes.
10389 * pa.c (output_cbranch): Revise arguments. Correct handling of
10390 nullification in long branches.
10391 (output_lbranch): Add new argument to control extraction of delay
10393 (output_bb): Handle long branches.
10394 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10395 output_parallel_addb): Likewise.
10397 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10399 PR rtl-optimization/27073
10400 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10403 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10405 * tree.h (tree_memory_tag): Add old_used_alone.
10406 (SMT_OLD_USED_ALONE): New macro.
10407 * tree-ssa-alias.c (recalculate_used_alone): Stop
10408 marking things for renaming unnecessarily.
10410 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10412 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10413 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10414 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10415 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10416 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10417 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10418 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10419 spelling convensions.
10420 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10421 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10422 typos. Follow spelling conventions.
10424 2006-04-07 DJ Delorie <dj@redhat.com>
10426 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10427 passed on the stack.
10428 (m32c_init_cumulative_args): When a function returns a structure,
10429 always pass the pointer to that return area on the stack.
10430 (m32c_function_arg_advance): Don't increment the parameter number
10431 if we're processing the returned structure pointer.
10432 (pushm_info): Reverse order of registers.
10434 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10436 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10437 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10438 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10439 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10440 build_int_cst_type.
10441 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10442 chrec_fold_multiply): Same.
10443 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10444 force_expr_to_var_cost): Same.
10445 * tree-mudflap.c (mf_xform_derefs_1): Same.
10446 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10448 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10450 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10451 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10454 2006-04-07 Jan Hubicka <jh@suse.cz>
10456 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10458 2006-04-07 Richard Guenther <rguenther@suse.de>
10460 PR tree-optimization/26135
10461 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10462 loads for store copy-prop.
10463 (copy_prop_visit_stmt): Likewise.
10465 2006-04-05 Robert Millan <robertmh@gnu.org>
10467 * config/i386/linux.h: Add a comment to mark macros that are
10468 being overriden in config/k*bsd-gnu.h.
10469 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10471 * config/knetbsd-gnu.h: Ditto.
10473 2006-04-06 Jan Hubicka <jh@suse.cz>
10477 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10480 2006-04-06 Mike Stump <mrs@apple.com>
10482 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10483 for HAVE_nonlocal_goto to be consistent.
10484 (expand_builtin_nonlocal_goto): Likewise.
10485 (expand_builtin_strcmp): Use #ifdef instead of #if
10486 for HAVE_cmpstrnsi to be consistent.
10488 2006-04-05 DJ Delorie <dj@redhat.com>
10490 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10493 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10495 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10496 got-relative addressing for anything but SImode.
10498 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10499 even if the calling function doesn't modify them.
10501 2006-04-05 Richard Guenther <rguenther@suse.de>
10503 PR tree-optimization/26919
10504 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10505 to cgraph_estimate_size_after_inlining.
10507 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10509 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10511 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10513 PR tree-optimization/26996
10514 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10515 VECTOR_TYPE variables.
10517 2006-04-05 Richard Guenther <rguenther@suse.de>
10519 PR tree-optimization/26763
10520 * fold-const.c (fold_comparison): Move folding of
10521 PTR + CST CMP PTR + CST ...
10522 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10524 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10526 * doc/install.texi (Prerequisites): Refine some wording on
10527 bootstrapping and ksh.
10528 Move the version numbers of DejaGnu here from the testing section
10529 and fix casing of names.
10530 Fix markup and clarify wording for autogen requirements.
10531 Refer to GCJ instead of just java.
10532 Refer to SVN instead of CVS.
10533 Describe diffutils as useful instead of necessary.
10534 (Downloading the source): Refer to SVN instead of CVS.
10535 Adjust a link to our web site accordingly.
10536 (Configuration): Fix casing of Bison.
10537 (Building): Refer to SVN instead of CVS.
10538 Fix a sentence on the use of Bison and remove duplicate (and
10539 incorrect) version number of Bison requirement.
10540 Remove one redundant list of packages needed for building.
10541 (Specific): Avoid reference to CVS.
10543 2006-04-04 Eric Christopher <echristo@apple.com>
10545 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10546 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10547 (rs6000_handle_struct_attribute): New.
10548 (rs6000_ms_bitfield_layout_p): Ditto.
10550 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10552 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10553 NULL for dso parameter to atexit_common.
10555 2006-04-04 Eric Christopher <echristo@apple.com>
10557 * config/i386/i386.c (machopic_output_stub): Output \t
10558 between instructions and operands.
10560 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10562 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10563 satisfies_constraint_[IL] to explicit tests on value.
10565 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10567 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10568 set_nb_iterations_in_loop): Use build_int_cst instead of
10569 build_int_cst_type.
10570 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10571 build_int_cst instead of convert.
10573 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10575 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10576 new value 2 for incoming.
10577 * function.c (expand_function_start): Call struct_value_rtx
10578 with incoming as 2.
10579 * config/sparc/sparc.md: Comment updated_return.
10580 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10581 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10582 struct return if sparc_std_struct_return and incoming is 2.
10583 (print_operand): Do not adjust return if
10584 sparc_std_struct_return.
10586 2006-04-04 Roger Sayle <roger@eyesopen.com>
10588 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10589 convert in the middle-end.
10590 * expr.c (store_expr, store_constructor, get_inner_reference,
10591 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10593 * tree.c (build_range_type): Likewise.
10595 2006-04-04 Tom Tromey <tromey@redhat.com>
10597 * doc/install.texi (Prerequisites): Mention jar.
10599 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10601 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10604 2006-04-04 Matthias Klose <doko@debian.org>
10606 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10610 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10613 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10615 * doc/extend.texi (Function Attributes): Rewrite visibility
10616 attribute documentation.
10617 * doc/invoke.texi (C++ Dialect Options): Rewrite
10618 -fvisibility-inlines-hidden documentation to describe something
10619 entirely different, although in practise compatible.
10620 (Code Gen Options): Warn about system headers in -fvisibility=
10623 * doc/extend.texi (Other Builtins): Document that
10624 __builtin_nan is a compile-time constant only when its argument
10627 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10629 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10630 trying to remove TRUNCATE check if all bits outside the new mode
10631 are identical to the sign bit.
10633 2006-04-03 Jeff Law <law@redhat.com>
10635 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10636 and operand scanning in some common cases.
10638 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10639 Dale Johannesen <dalej@apple.com>
10642 * regclass.c (struct reg_pref): Update documentation.
10643 (regclass): Set prefclass to NO_REGS if memory is the best option.
10644 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10645 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10646 into account. For non-registers, equate an empty preferred
10647 reload class to a `!' in the constraint; move the if clause to
10648 do so after those that reject the insn.
10649 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10651 (find_dummy_reload): Likewise.
10652 * doc/tm.texi (Register Classes): Document what it means
10653 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10654 * config/i386/i386.c (ix86_preferred_reload_class): Force
10655 using SSE registers (and return NO_REGS for floating-point
10656 constants) if math is done with SSE.
10657 (ix86_preferred_output_reload_class): New.
10658 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10659 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10660 * config/i386/i386.md: Remove # register preferences.
10662 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10665 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10666 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10667 the type of nb_iter.
10668 (instantiate_parameters_1): Convert the operands before calling
10669 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10670 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10672 2006-04-02 Roger Sayle <roger@eyesopen.com>
10674 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10675 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10676 instead of convert.
10677 * dojump.c (do_jump): Likewise.
10678 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10679 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10680 gimplify_boolean_expr): Likewise.
10681 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10682 * varasm.c (array_size_for_constructor): Likewise.
10683 * tree-object-size.c (compute_object_offset): Likewise.
10685 2006-04-02 Roger Sayle <roger@eyesopen.com>
10687 PR middle-end/26977
10688 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10689 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10691 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10693 PR tree-optimization/26939
10694 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10696 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10698 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10699 at_stmt. Convert the type of operands before calling
10700 build_polynomial_chrec.
10701 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10702 add_to_evolution_1.
10703 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10704 (instantiate_parameters_1): Convert the type of operands before calling
10705 build_polynomial_chrec.
10706 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10707 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10708 reset_evolution_in_loop): Insert asserts to check the types of the
10710 (chrec_type): Moved...
10711 (eq_evolutions_p): Use operand_equal_p.
10712 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10713 the types of the operands.
10714 (chrec_type): ...here.
10715 * tree-data-ref.c (create_data_ref): Convert the operands before
10716 calling chrec_replace_initial_condition.
10717 (same_access_functions, analyze_subscript_affine_affine,
10718 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10719 (compute_subscript_distance, analyze_ziv_subscript,
10720 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10721 analyze_miv_subscript): Convert the operands before calling
10722 chrec_fold_minus or chrec_fold_plus.
10724 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10726 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10727 the dependence_relations vector.
10728 (compute_data_dependences_for_loop): Adjust call to
10729 compute_all_dependences.
10731 2006-04-01 Roger Sayle <roger@eyesopen.com>
10732 Richard Henderson <rth@redhat.com>
10734 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10735 gimple_boolify on the condition before calling gimplify_expr.
10737 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10739 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10740 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10741 the frame size. Update to use the new macros.
10742 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10743 * config/xtensa/ieee754-df.S: Likewise.
10745 2006-03-31 Richard Henderson <rth@redhat.com>
10747 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10748 (make_edges): ... here. Control fallthru creation with a local
10749 variable. Do not play with fake edges.
10750 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10751 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10754 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10756 * dwarf2.h (DW64_CIE_ID): Define.
10757 * dwarf2out.c (DWARF_CIE_ID): Define.
10758 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10759 length header. Use DWARF_CIE_ID.
10760 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10761 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10763 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10765 * config/sh/linux-atomic.asm: New file.
10766 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10768 2006-03-31 DJ Delorie <dj@redhat.com>
10770 * config/m32c/cond.md: Set condition flags properly throughout.
10771 * config/m32c/minmax.md: Likewise.
10772 * config/m32c/prologue.md: Likewise.
10773 * config/m32c/bitops.md: Likewise.
10774 * config/m32c/muldiv.md: Likewise.
10775 * config/m32c/mov.md: Likewise.
10776 * config/m32c/addsub.md: Likewise.
10777 * config/m32c/m32c.md: Likewise.
10778 * config/m32c/jump.md: Likewise.
10779 * config/m32c/shift.md: Likewise.
10781 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10782 conditionally output the pattern for this.
10783 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10784 (m32c_compare_redundant): New.
10785 (m32c_output_compare): New.
10786 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10788 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10789 dest, not src. Allow other 4-byte modes.
10791 2006-03-30 Denis Chertykov <denisc@overta.ru>
10793 * doc/md.texi: Refer to avr/constraints.md instead of
10796 2006-03-30 Roger Sayle <roger@eyesopen.com>
10798 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10799 signed vs. unsigned comparison failures on some hosts.
10801 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10804 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10805 change to FLOAT_REGS.
10807 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10808 (rs6000_override_options): Use it.
10809 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10810 only for -mabi=spe/no-spe and -mabi=altivec.
10812 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10814 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10817 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10819 * Makefile.in: Rename docdir to gcc_docdir.
10821 2006-03-30 Roger Sayle <roger@eyesopen.com>
10824 * expr.c (emit_group_store): Optimize group stores into a pseudo
10825 register by using a paradoxical subreg to initialize the destination
10826 if the first or last member of the group specifies a "low part".
10828 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10831 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10832 * target.h (struct gcc_target.speculate_insn): Change type of the
10833 second parameter to 'int'.
10834 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10835 the second operand of the DEPS_LIST.
10836 (copy_DEPS_LIST_list): Update reference to the second operand of the
10838 * rtl.h (alloc_DEPS_LIST): Update signature.
10839 * sched-int.h (ds_t): Change typedef to 'int'.
10840 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10842 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10844 * haifa-sched.c (try_ready): Change condition to restore
10845 non-speculative pattern of the instruction.
10846 (process_insn_depend_be_in_spec): Code to keep probability of the
10847 speculative dependence non-decreasing.
10849 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10851 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10852 (single_move_for_movmem): ... this. Also change all uses.
10853 (bfin_expand_strmov): Renamed to...
10854 (bfin_expand_movmem): ... this. Also change all uses.
10855 * config/bfin/bfin.md (movstrsi): Renamed to...
10856 (movstrsi): ...this.
10858 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10860 PR tree-optimization/26830
10862 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10863 (copy_prop_visit_stmt): Remove write-only variable ann.
10864 (init_copy_prop): Check variable loop depth here. Do not simulate
10865 memory-tag and virtual operand PHIs except for store copy prop.
10867 2006-03-30 Richard Guenther <rguenther@suse.de>
10869 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10870 variants with double arguments.
10872 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10874 * genpreds.c (write_tm_constrs_h): Delete variable p.
10875 * genconditions.c (write_header): Add tm-constrs.h to included
10877 * genpeep.c (main): Add toplev.h to included headers.
10878 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10879 (build/genpeep.o): Add toplev.h dependency.
10880 * config/rs6000/constraints.md: Add "W" constraint.
10882 2006-03-29 Roger Sayle <roger@eyesopen.com>
10884 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10885 sizes by correctly testing whether the size fits a host integer.
10886 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10887 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10888 SImode range for the default sizetype and bitsizetype.
10890 2006-03-29 Roger Sayle <roger@eyesopen.com>
10892 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10893 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10894 quickly if the argument is already of the correct type.
10895 Call fold_build1 instead of build1. Tidy up blank lines.
10897 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10899 * genemit.c (main): Add tm-constrs.h to included headers.
10900 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10901 * genpeep.c (main): Add tm-constrs.h to included headers.
10902 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10903 (write_tm_constrs_h): this and write complete file.
10904 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10905 (write_insn_preds_c): Add tm-constrs.h to included headers.
10906 (gen_constrs): New variable.
10907 (parse_option): Parse "-c".
10908 (main): Invoke write_tm_constrs_h.
10909 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10910 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10911 (object_out_file): Add tm-constrs.h dependency.
10912 (insn-emit.o): Same.
10913 (insn-output.o): Same.
10914 (insn-peep.o): Same.
10915 (insn-preds.o): Same.
10916 (insn-recog.o): Same.
10917 (tm-constsr.h): New target.
10918 (s-constrs-h): New target.
10920 * config/rs6000/constraints.md: New file.
10921 * config/rs6000/rs6000.c: Include tm-constrs.h.
10922 (num_insn_constant_wide): Convert to satisfies_constraint.
10923 (rs6000_rtx_costs): Convert to satisfies_constraint.
10924 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10925 (CONST_OK_FOR_LETTER_P): Delete.
10926 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10927 (EXTRA_CONSTRAINT): Delete.
10928 (EXTRA_MEMORY_CONSTRAINT): Delete.
10929 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10930 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10931 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10932 satisfies_constraint.
10934 * config/i386/i386.c: Include tm-constrs.h.
10936 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10938 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10939 * tree-data-ref.c (find_data_references_in_loop,
10940 compute_data_dependences_for_loop): Use pointers to VEC.
10941 (analyze_all_data_dependences): Adjust calls.
10942 * tree-data-ref.h (find_data_references_in_loop,
10943 compute_data_dependences_for_loop): Adjust declarations.
10944 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10945 compute_data_dependences_for_loop.
10947 2006-03-29 Paul Brook <paul@codesourcery.com>
10949 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10950 (movdf_vfp): Ditto.
10952 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10954 PR tree-optimization/26859
10955 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10957 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10958 for the step after fold_convert.
10960 2006-03-29 Paul Brook <paul@codesourcery.com>
10962 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10963 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10965 2006-03-29 Paul Brook <paul@codesourcery.com>
10967 PR middle-end/23623
10968 * targhooks.c (default_narrow_bitfield): New fuction.
10969 * targhooks.h (default_narrow_bitfield): add prototype.
10970 * target.h (gcc_target): Add narrow_volatile_bitfield.
10971 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10972 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10973 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10974 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10976 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10978 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10980 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10981 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10982 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10983 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10984 (s390_function_arg_float): Allow SDmode and DDmode values to be
10985 passed in floating point registers.
10986 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10987 check with SCALAR_FLOAT_MODE_P.
10988 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10990 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10992 PR tree-optimization/25985
10993 * tree-ssa-loop-niter.c (number_of_iterations_le,
10994 number_of_iterations_ne): Make comments more precise.
10995 (number_of_iterations_cond): Add only_exit argument. Use the
10996 fact that signed variables do not overflow only when only_exit
10998 (loop_only_exit_p): New.
10999 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11000 number_of_iterations_cond.
11002 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11004 PR tree-optimization/26643
11005 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11008 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11010 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11011 (divsi3_i4_int): Likewise.
11013 2006-03-28 Roger Sayle <roger@eyesopen.com>
11015 * expr.c (emit_group_store): Only create a new pseudo reg if the
11016 quantity it needs to hold isn't already a suitable pseudo.
11018 2006-03-28 Jeff Law <law@redhat.com>
11020 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11021 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11023 2006-03-28 Roger Sayle <roger@eyesopen.com>
11025 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11026 the equivalent ~X & Y, and the symmetry related transformations.
11027 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11028 ~X & Y, and symmetry related transforms.
11030 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11032 Revert my 2006-03-27 patches.
11034 2006-03-28 Roger Sayle <roger@eyesopen.com>
11036 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11037 ~(T1)X, when T1 and T2 are integer types of the same precision
11038 and (T2)X isn't an extension.
11040 2006-03-28 Jeff Law <law@redhat.com>
11042 PR tree-optimization/26796
11043 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11044 need EH edge cleanups rather than purging them immediately.
11045 (eliminate_degenerate_phis): Handle queued EH cleanups.
11047 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11049 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11052 2006-03-27 Roger Sayle <roger@eyesopen.com>
11054 PR middle-end/22524
11055 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11056 cast BIT_NOT_EXPR operand to the correct type.
11058 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11060 * tree-loop-linear.c: Don't include varray.h.
11061 (gather_interchange_stats, try_interchange_loops,
11062 linear_transform_loops): Use VEC instead of VARRAY.
11063 * lambda-mat.c: Don't include varray.h.
11064 * tree-chrec.c: Same.
11065 * lambda-trans.c: Same.
11066 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11067 VEC instead of VARRAY.
11068 * tree-vectorizer.h: Idem.
11069 * tree-data-ref.c (dump_data_references,
11070 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11071 initialize_data_dependence_relation, finalize_ddr_dependent,
11072 compute_all_dependences, find_data_references_in_loop,
11073 compute_data_dependences_for_loop, analyze_all_data_dependences,
11074 free_dependence_relation, free_dependence_relations,
11075 free_data_refs): Idem.
11076 * tree-data-ref.h (data_reference_p, subscript_p): New.
11077 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11078 VEC instead of VARRAY.
11079 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11080 (find_data_references_in_loop, compute_data_dependences_for_loop,
11081 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11082 dump_data_dependence_relations, free_dependence_relations,
11083 free_data_refs): Adjust declaration.
11084 (lambda_transform_legal_p): Move declaration here...
11085 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11086 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11087 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11088 vect_analyze_data_refs): Use VEC instead of VARRAY.
11089 * lambda.h (lambda_transform_legal_p): ...from here.
11090 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11091 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11092 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11093 tree-chrec.o): Don't depend on VARRAY_H.
11095 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11097 * rtl.def (Copyright): Update date.
11098 (DEPS_LIST): Change type of the second operand to 'int'.
11099 * target.h (Copyright): Update date.
11100 (struct gcc_target.speculate_insn): Change type of the second parameter
11102 * lists.c (Copyright): Update date.
11103 (alloc_DEPS_LIST): Change signature. Update reference to the second
11104 operand of the DEPS_LIST.
11105 (copy_DEPS_LIST_list): Update reference to the second operand of the
11107 * rtl.h (Copyright): Update date.
11108 (alloc_DEPS_LIST): Update signature.
11109 * sched-int.h (Copyright): Update date.
11110 (ds_t): Change typedef to 'int'.
11111 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11113 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11115 * haifa-sched.c (Copyright): Update date.
11116 (try_ready): Change condition to restore non-speculative pattern
11117 of the instruction.
11118 (process_insn_depend_be_in_spec): Code to keep probability of the
11119 speculative dependence non-decreasing.
11121 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11123 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11124 shut up the compiler.
11126 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11128 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11129 to use lib prefix for target.
11130 ($(T)libic_invalidate_array_4-200.a): Likewise.
11131 ($(T)libic_invalidate_array_4a.a): Likewise.
11133 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11134 J"orn Rennecke <joern.rennecke@st.com>
11136 * superh.opt: New file.
11137 * sh.c (boardtype, osruntime): Remove.
11138 * superh.h (SUBTARGET_OPTIONS): Remove.
11139 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11141 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11142 arguments with ^ and/or [].
11144 * config.gcc (sh-*-*): Add quoting to account for quirk of
11146 Replace == with = in enable_incomplete_targets test.
11148 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11149 with MASK_LITTLE_ENDIAN.
11151 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11152 * config/sh/sh.opt: Added to some comments.
11153 * config/sh/superh.h: Removed some chaff.
11155 * config/sh/sh.opt: Add m4-[1234]00* options.
11156 * config/sh/sh.c (sh_handle_option): Likewise.
11157 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11158 (ic_invalidate_array_4-100.o): New rule.
11159 ($(T)libic_invalidate_array_4-100.a): Likewise.
11160 (ic_invalidate_array_4-200.o): Likewise.
11161 ($(T)libic_invalidate_array_4-200.a): Likewise.
11162 (ic_invalidate_array_4a.o): Likewise.
11163 ($(T)libic_invalidate_array_4a.a): Likewise.
11164 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11165 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11167 * config/sh/crt1.asm: Merged in profiling code.
11168 * config/sh/superh.h (STARTFILE_SPEC): Override.
11169 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11170 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11171 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11173 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11174 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11175 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11177 * sh.opt (mpretend-cmove): New option.
11178 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11179 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11180 (movsicc): Add TARGET_PRETEND_CMOVE code.
11182 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11184 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11185 s390_class_max_nregs): New function prototypes.
11186 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11187 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11188 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11189 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11191 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11193 * dwarf2out.c (add_location_or_const_value_attribute): Call
11194 tree_add_const_value_attribute if nothing else works.
11195 (reference_to_unused): New.
11196 (rtl_for_decl_init): Use reference_to_unused to decide whether
11197 to output an initializer.
11199 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11202 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11203 peephole removing spe frob_di_df_2.
11205 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11207 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11208 (subscript_dependence_tester_1): Declared.
11209 (print_dir_vectors, print_dist_vectors): New.
11210 (debug_data_dependence_relation): New.
11211 (dump_data_dependence_relation): Print more details.
11212 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11213 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11214 (save_dist_v, save_dir_v, add_outer_distances,
11215 build_classic_dist_vector_1): New.
11216 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11217 Don't test for lambda_vector_lexico_pos.
11218 (same_access_functions, add_multivariate_self_dist,
11219 add_other_self_distances, dir_from_dist): New.
11220 (build_classic_dir_vector): Replace implementation almost identical to
11221 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11223 (subscript_dependence_tester_1): New.
11224 (subscript_dependence_tester): Handle the lexicographically negative
11225 distance vectors by recomputing the dependence relation.
11226 (compute_affine_dependence): Remove parameter loop_nest_depth.
11227 (compute_self_dependence): Don't call compute_subscript_distance.
11228 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11229 Add a parameter for the loop_nest.
11230 (find_loop_nest_1, find_loop_nest): New.
11231 (compute_data_dependences_for_loop): Compute the loop nest, and give
11232 up if the nest is not well formed.
11233 * tree-data-ref.h (loop_p): New.
11234 (struct data_dependence_relation): Replace size_vect field with
11235 loop_nest, a vec of loops.
11236 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11237 (DDR_LOOP_NEST): New.
11238 (print_dir_vectors, print_dist_vectors,
11239 debug_data_dependence_relation): Declared.
11240 (index_in_loop_nest): New.
11241 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11242 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11245 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11247 * simplify-rtx.c (simplify_relational_operation): Call
11248 simplify_relational_operation_1 even if mode is VOIDmode.
11250 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11252 PR tree-optimization/26804
11253 * tree.h (DECL_CALL_CLOBBERED): New macro.
11254 (tree_decl_common): Add call_clobbered_flag.
11255 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11256 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11257 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11258 (mark_non_addressable): Ditto.
11259 * tree-ssa.c (verify_call_clobbered): New function.
11260 (verify_alias_info): Use it.
11261 * tree-pass.h (pass_reset_cc_flags): New prototype.
11262 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11263 (reset_cc_flags): New function.
11264 * passes.c (init_optimization_passes): Call reset_cc_flags after
11265 initializing referenced_vars.
11267 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11268 Roger Sayle <roger@eyesopen.com>
11270 PR middle-end/26717
11271 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11272 to 1.0 for non-real operands. Implement A / A optimization for
11275 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11277 * config/i386/i386.c (size_cost): Correct the comment for
11278 cost of storing fp registers.
11279 (i386_cost): Likewise.
11280 (i486_cost): Likewise.
11281 (pentium_cost): Likewise.
11282 (pentiumpro_cost): Likewise.
11283 (k6_cost): Likewise.
11284 (athlon_cost): Likewise.
11285 (k8_cost): Likewise.
11286 (pentium4_cost): Likewise.
11287 (nocona_cost): Likewise.
11288 (generic64_cost): Likewise.
11289 (generic32_cost): Likewise.
11291 2006-03-24 Denis Chertykov <denisc@overta.ru>
11293 * config/avr/avr-protos.h (extra_constraint): Delete.
11294 (extra_constraint_Q): New declaration.
11295 * config/avr/constraints.md: New file.
11296 * config/avr/avr.md: Include it.
11297 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11298 (TMP_REGNO, ZERO_REGNO): Likewise.
11299 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11300 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11301 (extra_constraint): Delete.
11302 (extra_constraint_Q): Test for memory constraint 'Q'.
11303 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11304 (REG_CLASS_FROM_LETTER): Delete.
11305 (CONST_OK_FOR_LETTER_P): Delete.
11306 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11307 (EXTRA_CONSTRAINT): Delete.
11308 (TMP_REGNO): Delete.
11309 (ZERO_REGNO): Delete.
11311 2006-03-24 Jeff Law <law@redhat.com>
11313 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11314 directly. Call mark_new_vars_to_rename slightly earlier.
11316 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11318 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11319 (is_cxx): Likewise.
11320 (gen_compile_unit_die): Use new language types for Objective-C and
11322 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11323 DW_LANG_C_plus_plus.
11326 * config/t-darwin (crt3.o): Work around bug 26840.
11327 * config/darwin-crt3.c: Rewrite.
11328 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11330 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11332 * doc/invoke.texi: Document -femit-class-debug-always
11333 * common.opt: Add -femit-class-debug-always.
11335 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11337 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11338 index and base register.
11339 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11340 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11341 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11342 REGNO_OK_FOR_INDEX_P.
11343 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11345 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11346 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11347 REG_OK_FOR_BASE_P): Definitions removed.
11349 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11351 PR middle-end/26611
11352 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11353 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11354 set yet or weren't marked as local yet.
11356 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11358 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11361 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11363 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11364 (rs6000_legitimate_small_data_p): Delete.
11365 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11366 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11367 and make static. Add forward declaration. Update uses.
11368 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11369 of offsettable_memref_p.
11370 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11371 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11373 2006-03-24 Jeff Law <law@redhat.com>
11375 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11376 around bug in immediate-use iterator.
11378 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11381 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11382 or __LITTLE_ENDIAN__.
11384 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11386 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11387 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11388 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11389 * config/sh/sh.opt (mdiv=): Amend description.
11390 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11391 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11392 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11393 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11394 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11395 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11396 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11397 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11398 TARGET_DIVIDE_CALL_FP.
11400 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11402 * haifa-sched.c (choose_ready): Fix type of the local variable.
11403 Move local variables. Add comment.
11404 (check_reg_live): Change signature. Make callable from debugger.
11405 * sched-int.h (check_reg_live): Update signature.
11406 * sched-ebb.c (check_reg_live): Update parameters.
11407 * sched-rgn.c (check_reg_live): Ditto.
11408 (region_head_or_leaf_p): Check pointer before dereferencing.
11409 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11410 before reload on optimization levels below 1.
11412 2006-03-23 Richard Henderson <rth@redhat.com>
11414 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11418 * config/alpha/predicates.md (local_symbolic_operand): Reject
11421 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11424 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11425 expressions which have overflowed constants.
11427 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11429 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11431 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11433 * cfgloopmanip.c (create_loop_notes): Removed.
11434 * final.c (final_scan_insn): Do not handle loop notes.
11435 * jump.c (squeeze_notes): Ditto.
11436 * cfglayout.c (skip_insns_after_block,
11437 duplicate_insn_chain): Ditto.
11438 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11440 * cfgloop.h (create_loop_notes): Declaration removed.
11442 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11444 * varasm.c (output_constant_pool): Restore fnname and fndecl
11446 (assemble_start_function): Adjust call accordingly.
11447 (assemble_end_function): Likewise.
11449 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11452 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11455 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11457 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11460 * system.h (ICE_EXIT_CODE): New macro.
11461 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11462 (diagnostic_action_after_output): Likewise.
11463 * gcc.c (fatal_ice): New function.
11464 (execute): Use it instead of fatal.
11465 (fancy_abort): Likewise.
11466 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11468 2006-03-22 Jeff Law <law@redhat.com>
11470 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11471 iv_analyze_result returning false.
11473 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11475 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11477 2006-03-22 Richard Henderson <rth@redhat.com>
11479 PR middle-end/26084
11480 * except.c (duplicate_eh_regions_0): New.
11481 (duplicate_eh_region_1): Duplicate the children of the node as
11482 well as the node itself. Link them up properly.
11483 (duplicate_eh_region_2): Merge into ...
11484 (duplicate_eh_regions): ... here. Take copy_region argument, and
11485 copy only a sub-tree if asked. Simplify copying and fixup.
11486 (eh_region_outer_p): New.
11487 * except.h (duplicate_eh_regions): Update decl.
11488 (eh_region_outer_p): Declare.
11489 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11490 (lower_omp_master): Likewise.
11491 (lower_omp_ordered): Likewise.
11492 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11493 (move_stmt_r): Use it to remap labels. Handle recursion vs
11494 remap_decls_p properly.
11495 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11496 (find_outermost_region_in_block): New.
11497 (new_label_mapper): New.
11498 (move_sese_region_to_fn): Copy eh information to the new function
11500 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11502 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11505 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11507 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11508 into shared libraries.
11510 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11512 * doc/md.texi: Refer to i386/constraints.md instead of
11513 i386/predicates.md.
11514 * config/i386/constraints.md: New file, extracted from...
11515 * config/i386/predicates.md: ...here.
11516 * config/i386/i386.md: Include constraints.md.
11518 2006-03-21 Jason Merrill <jason@redhat.com>
11520 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11522 PR middle-end/20297
11523 * expr.c (init_block_move_fn): Force default visibility.
11524 (init_block_clear_fn): Likewise.
11525 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11526 * targhooks.c (default_external_stack_protect_fail): Likewise.
11528 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11530 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11531 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11532 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11533 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11534 (loadgp): Use mips_current_loadgp_style.
11535 (loadgp_noshared): New pattern.
11536 (sibcall_internal): Use MIPS_CALL.
11537 (sibcall_value_internal): Likewise.
11538 (sibcall_value_multiple_internal): Likewise.
11539 (call_internal): Likewise.
11540 (call_value_internal): Likewise.
11541 (call_value_multiple_internal): Likewise.
11542 (call_split): Use MIPS_CALL and add an 'S' constraint.
11543 (call_value_split): Likewise.
11544 (call_value_multiple_split): Likewise.
11545 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11546 (-mshared): New option.
11547 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11548 (mips_current_loadgp_style): Declare.
11549 * config/mips/mips.c (mips_classify_symbol): Avoid using
11550 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11551 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11552 TARGET_ABSOLUTE_ABICALLS.
11553 (override_options): Adjust comments. Improve the warning that is
11554 issued when -mabicalls and -G are used together.
11555 (mips_file_start): Remove comment.
11556 (mips_current_loadgp_style): New function.
11557 (mips_gnu_local_gp): New variable.
11558 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11560 (mips_output_function_prologue): Use mips_current_laodgp_style.
11561 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11562 the cprestore instruction.
11563 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11564 live for TARGET_ABSOLUTE_ABICALLS.
11565 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11566 (ASM_SPEC): Pass down -mshared and -mno-shared.
11567 (MIPS_CALL): New macro.
11568 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11570 * doc/invoke.texi (-mabicalls): Update documentation.
11571 (-mshared): Document.
11573 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11575 * config/ia64/unwind-hpux.c: New file.
11576 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11578 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11581 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11583 2006-03-21 Jeff Law <law@redhat.com>
11585 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11586 type conversions of a VR_VARYING source to a wider type.
11588 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11590 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11591 tm_file on Solaris 10 and later.
11592 (sparc64-*-solaris2*): Likewise.
11593 (sparc-*-solaris2*): Likewise.
11594 * config/sol26.h: Rename to config/sol2-6.h.
11595 * config/sol2-10.h: New file.
11597 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11600 * tree-ssa-pre.c (create_component_ref_by_pieces):
11603 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11606 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11607 return it immediately.
11609 2006-03-21 Michael Matz <matz@suse.de>
11611 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11613 (remove_arc, add_arc): Update num_out_arcs member.
11614 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11616 (cache_presence): New function.
11617 (compare_states_for_equiv): New function.
11618 (state_is_differed): Don't take number of outargs, adjust callers.
11619 Use new invariant for speeding up.
11620 (init_equiv_class): Create initial classes based on sorted
11622 (partition_equiv_class): Don't track out_arcs_num.
11623 (evaluate_equiv_classes): Call cache_presence on all states and
11626 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11628 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11629 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11630 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11631 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11633 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11634 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11635 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11636 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11637 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11639 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11640 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11641 (REGNO_REG_CLASS): ARGP is in PREGS.
11642 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11644 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11645 to deal with those addresses.
11646 * addresses.h: New file.
11647 * caller-save.c: Include "addresses.h".
11648 (init_caller_save): Use new base_reg_class function.
11649 * rtl-factoring.c: Include "addresses.h".
11650 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11651 * recog.c: Include "addresses.h".
11652 (preprocess_constraints): Use new base_reg_class function.
11653 * regrename.c: Include "addresses.h".
11654 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11655 functions. Keep track of a new var INDEX_CODE to compute valid
11657 (replace_oldest_value_addr): Likewise.
11658 (replace_oldest_value_mem): Use base_reg_class.
11659 * reload.c: Include "addresses.h".
11660 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11661 (find_reloads): Use new base_reg_class function.
11662 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11663 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11664 all callers and prototype changed.
11665 * reload1.c: Include "addresses.h".
11666 (maybe_fix_stack_asms): Use base_reg_class.
11667 * regclass.c: Include "addresses.h".
11668 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11669 (init_reg_autoinc): Use new base_reg_class function.
11670 (record_reg_classes): Likewise.
11671 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11672 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11673 Use new args to compute necessary class.
11675 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11676 regrename.o, rtl-factoring.o): Update dependencies.
11677 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11678 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11679 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11680 REG_OK_FOR_INDEX_P): Delete documentation.
11682 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11684 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11685 from V7 to V9 for Solaris 7 and above.
11687 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11689 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11690 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11691 argument pointers may not alias any other storage.
11692 * common.opt: Define option -fargument-noalias-anything.
11693 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11694 alias semantics is specified by flag_argument_noalias > 2.
11696 2006-03-20 Jeff Law <law@redhat.com>
11698 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11699 (pass_phi_only_cprop): Declare.
11700 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11701 with phi_only_cprop
11702 * tree-ssa-dom.c (degenerate_phi_result): New function.
11703 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11704 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11705 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11706 (eliminate_degenerate_phis): Likewise.
11707 (pass_phi_only_cprop): New pass descriptor.
11708 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11709 support code. Callers updated.
11710 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11711 (store_copy_prop): Likewise.
11712 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11714 2006-03-20 Jason Merrill <jason@redhat.com>
11717 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11718 (push_visibility, pop_visibility): Likewise.
11719 * c-pragma.h: Declare them.
11721 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11723 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11725 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11726 parameter and use get_ebb_head_tail.
11727 (sh_md_init_global): Adjust uses of find_regmode_weight.
11729 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11731 * function.h (struct function) <x_tail_recursion_reentry>:
11732 Rename to x_stack_check_probe_note.
11733 (tail_recursion_reentry): Rename to stack_check_probe_note.
11734 * function.c: Replace tail_recursion_reentry with
11735 stack_check_probe_note everywhere.
11736 (expand_function_start): Only emit a note for
11737 stack_check_probe_note with -fstack-protect.
11738 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11740 * emit-rtl.c (remove_unnecessary_notes): Remove.
11741 (pass_remove_unnecessary_notes): Remove.
11742 * rtl.h (remove_unnecessary_notes): Remove prototype.
11743 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11744 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11745 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11747 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11750 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11751 (valid_in_set): Handle ARRAY_REF.
11752 Change "if min_variant or VH" to asserts.
11753 (create_component_ref_by_pieces): Handle ARRAY_REF.
11754 (create_expression_by_pieces): Likewise.
11755 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11757 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11759 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11760 is operand of switch, not str[0].
11762 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11764 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11765 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11767 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11769 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11770 end of insn_extra_address_constraint declaration.
11772 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11774 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11775 (no-sum-in-toc): Same.
11776 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11778 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11779 NO_FP_IN_TOC for -fPIC instead of mask.
11781 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11782 (BOOT_LDFLAGS): Delete.
11784 * config/rs6000/t-aix52: Same.
11786 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11787 (stmsi[345678]_power): New.
11789 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11791 * config/ia64/ia64.opt: Add empty line to end of file.
11793 2006-03-17 Richard Guenther <rguenther@suse.de>
11795 PR middle-end/26721
11796 * builtins.c (get_pointer_alignment): For component style references
11797 adjust alignment to the component type alignment. Make sure
11798 to adjust alignment for component access of constants.
11800 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11802 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11803 unconditional jump.
11805 2006-03-17 Paul Brook <paul@codesourcery.com>
11807 * doc/install.texi: Docuemnt --with-mode.
11808 * config.gcc: Add --with-mode for arm*-*-*.
11809 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11811 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11813 * sh.c (max_labelno_before_reorg): New variable.
11814 (sh_reorg): Initialize it.
11815 (find_barrier): Check max_labelno_before_reorg before using
11816 label_to_alignment. Take length of explicit alignment insns
11817 into account. When seeing a UNSPECV_CONST_END, return it.
11819 * sh.c (fixup_mova): Set mode of affected label to QImode.
11820 (untangle_mova): New function.
11821 (find_barrier): Use it. Check mode of label before decrementing
11823 (sh_reorg): Likewise.
11824 Set mode of all insns back to VOIDmode.
11826 * sh.c (MOVA_LABELREF): New macro.
11827 (mova_p, fixup_mova, sh_reorg): Use it.
11828 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11829 ADDR_DIFF_VEC matches mova.
11831 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11833 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11834 with ATTRIBUTE_UNUSED.
11836 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11838 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11839 pointer, instead of assuming it is possible to derive the
11840 correct args size from a call insn.
11842 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11844 * rtl.h (CONST_INT_P): Define.
11845 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11846 instead of GET_CODE(x) == CONST_INT.
11847 (vax_rtx_costs): Likewise.
11848 (vax_output_int_move): Likewise.
11849 (vax_output_int_add): Likewise.
11850 (legitimate_constant_address_p): Likewise.
11851 (index_term_p): Likewise.
11852 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11853 * config/vax/vax.md (and<mode>3): Likewise.
11854 (ashrsi3): Likewise.
11856 (movstricthi): Likewise.
11857 (movstrictqi): Likewise.
11858 (rotrsi3): Likewise.
11859 (five unnamed insns): Likewise.
11861 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11863 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11864 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11865 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11866 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11867 Pass to ASM_OUTPUT_DWARF_OFFSET.
11868 * dwarf2out.c (debug_frame_section): New.
11869 (output_call_frame_info): Use debug_frame_section. Pass it to
11870 dw2_asm_output_offset.
11871 (output_die): Pass appropriate section to dw2_asm_output_offset.
11872 (output_compilation_unit_header): Likewise.
11873 (output_pubnames): Likewise.
11874 (output_aranges): Likewise.
11875 (enum dw_val_class): Break dw_val_class_lbl_offset into
11876 dw_val_class_lineptr and dw_val_class_macptr.
11877 (add_AT_lbl_offset): Delete.
11878 (add_AT_lineptr): New.
11879 (add_AT_macptr): New.
11880 (AT_lbl): Expect a lineptr or macptr.
11881 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11882 (attr_checksum): Likewise.
11883 (same_dw_val_p): Likewise.
11884 (size_of_die): Likewise.
11885 (value_format): Likewise.
11886 (output_die): Likewise.
11887 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11889 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11890 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11891 * config/darwin-protos.h (darwin_file_start): New.
11892 (darwin_asm_output_dwarf_offset): New.
11893 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11894 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11896 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11897 if not EH section; simplify.
11898 (darwin_file_start): New.
11899 (darwin_asm_output_dwarf_offset): New.
11900 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11902 (DEBUG_INFO_SECTION): Likewise.
11903 (DEBUG_ABBREV_SECTION): Likewise.
11904 (DEBUG_ARANGES_SECTION): Likewise.
11905 (DEBUG_MACINFO_SECTION): Likewise.
11906 (DEBUG_LINE_SECTION): Likewise.
11907 (DEBUG_LOC_SECTION): Likewise.
11908 (DEBUG_PUBNAMES_SECTION): Likewise.
11909 (DEBUG_STR_SECTION): Likewise.
11910 (DEBUG_RANGES_SECTION): Likewise.
11911 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11912 (ASM_OUTPUT_DWARF_OFFSET): New.
11914 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11916 * config.gcc (tm_defines): Always add to previous value rather
11919 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11921 * config/mips/predicates.md (splittable_const_int_operand): New,
11922 split from move_operand.
11923 (splittable_symbolic_operand): New.
11924 (move_operand): Add commentary. Use splittable_const_int_operand.
11925 Inline mips_atomic_symbolic_constant_p.
11926 * config/mips/mips.md: Add combine splitters for handling moves
11927 of splittable_const_int_operands and splittable_symbolic_operands.
11928 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11929 (mips_split_symbol): Declare.
11930 (mips_move_integer): Declare.
11931 * config/mips/mips.c (mips_split_p): Make global.
11932 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11933 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11934 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11935 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11936 (mips_offset_within_object_p): Handle block symbols.
11937 (mips_atomic_symbolic_constant_p): Delete.
11938 (mips_cannot_force_const_mem): Return false for constants that
11939 mips_legitimize_move can handle.
11940 (mips_use_blocks_for_constant_p): New function.
11941 (mips_split_symbol): Make global.
11942 (mips_move_integer): Likewise. Add a temporary register argument.
11943 (mips_legitimize_const_move): Use splittable_const_int_operand and
11944 splittable_symbolic_operand.
11945 (mips_use_anchors_for_symbol_p): New function.
11946 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11947 (mips_split_p): Declare.
11949 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11951 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11952 (mips*-*-linux*): Likewise.
11954 2006-03-16 Roger Sayle <roger@eyesopen.com>
11955 Daniel Speyer <dspeyer@wam.umd.edu>
11957 PR middle-end/18259
11958 * tree-dump.c (dump_real): New function.
11959 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11960 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11961 (tree-dump.o): Add $(REAL_H) to the dependencies.
11963 2006-03-16 Roger Sayle <roger@eyesopen.com>
11965 PR middle-end/21781
11966 * real.c (real_from_string): If the mantissa is zero, don't bother
11967 parsing the exponent as the result should always be zero.
11969 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11971 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11973 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11975 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11976 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11977 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11978 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11979 ia64_sched_finish_global): New static functions to implement
11980 hooks from gcc_target.sched.
11981 (spec_check_no, max_uid, pending_data_specs): New static variables.
11982 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11983 ia64_spec_check_src_p): New static functions.
11984 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11985 (TARGET_SCHED_ADJUST_COST): Removed.
11986 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11987 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11988 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11989 TARGET_SCHED_GEN_CHECK,
11990 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11991 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11992 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11993 Fixed to handle speculation checks.
11994 (rtx_needs_barrier): Fixed to handle speculative loads and
11996 (ia64_variable_issue): Added code to count speculative loads and their
11998 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12000 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12002 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12004 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12005 (ia64_reorg): Reset stops_p to NULL after it is freed.
12006 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12007 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12008 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12010 (data_speculative, control_speculative, check_load): New attributes.
12011 (mov<mode>_advanced, mov<mode>_speculative,
12012 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12013 zero_extend<mode>di2_speculative,
12014 zero_extend<mode>di2_speculative_advanced): New patterns for
12015 data and control speculative loads.
12016 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12018 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12019 New pattern for data and control speculation checks.
12020 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12021 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12022 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12023 Auxiliary definitions for the patterns.
12024 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12025 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12027 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12029 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12030 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12031 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12032 New resource constraints.
12033 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12035 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12036 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12037 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12038 msched-in-control-spec, msched-ldc, msched-control-ldc,
12039 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12040 msched-prefer-non-control-spec-insns,
12041 msched-count-spec-in-critical-path): New flags to tune speculative
12043 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12044 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12045 msched-in-control-spec, msched-ldc, msched-control-ldc,
12046 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12047 msched-prefer-non-control-spec-insns,
12048 msched-count-spec-in-critical-path): Document new flags.
12050 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12052 * target.h (struct spec_info_def): New opaque declaration.
12053 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12054 speculate_insn, needs_block_p, gen_check,
12055 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12056 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12057 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12058 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12059 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12060 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12062 (TARGET_SCHED): Use new macros.
12063 * rtl.h (copy_DEPS_LIST_list): New prototype.
12064 * sched-int.h (struct sched_info): Change signature of new_ready field,
12065 adjust all initializations. New fields: add_remove_insn,
12066 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12067 region_head_or_leaf_p.
12068 (struct spec_info_def): New structure declaration.
12069 (spec_info_t): New typedef.
12070 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12071 recovery_block, orig_pat.
12072 (glat_start, glat_end): New variables declaraions.
12073 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12075 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12076 DETACH_LIFE_INFO, USE_GLAT.
12077 (enum SPEC_SCHED_FLAGS): New enumeration.
12078 (NOTE_NOTE_BB_P): New macro.
12079 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12080 attach_life_info, debug_spec_status, check_reg_live): New functions.
12081 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12082 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12084 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12085 * ddg.c (get_block_head_tail): Adjust all uses.
12086 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12087 (sms_sched_info): Initialize new fields.
12088 (contributes_to_priority): Removed.
12089 * haifa-sched.c (params.h): New include.
12090 (get_block_head_tail): Adjust all uses.
12091 (ISSUE_POINTS): New macro.
12092 (glat_start, glat_end): New global variables.
12093 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12094 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12095 old_last_basic_block, before_recovery, current_sched_info_var,
12096 rgn_n_insns, luid): New static variables.
12097 (insn_cost1): New function. Move logic from insn_cost to here.
12098 (find_insn_reg_weight1): New function. Move logic from
12099 find_insn_reg_weight to here.
12100 (reemit_notes, move_insn, max_issue): Change signature.
12101 (move_insn1): Removed.
12102 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12103 extend_bb): New static functions to support extension of scheduler's
12105 (generate_recovery_code, process_insn_depend_be_in_spec,
12106 begin_speculative_block, add_to_speculative_block,
12107 init_before_recovery, create_recovery_block, create_check_block_twin,
12108 fix_recovery_deps): New static functions to support
12109 generation of recovery code.
12110 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12111 restore_bb_notes, move_block_after_check, move_succs): New static
12112 functions to support ebb scheduling.
12113 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12114 functions to support handling of register live information.
12115 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12116 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12117 add_jump_dependencies): New static functions.
12118 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12119 consistancy checking.
12120 (debug_spec_status): New function to call from debugger.
12121 (priority): Added code to handle speculation checks.
12122 (rank_for_schedule): Added code to distinguish speculative instructions.
12123 (schedule_insn): Added code to handle speculation checks.
12124 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12125 Fixed to handle ebbs.
12126 (move_insn): Added code to handle ebb scheduling.
12127 (max_issue): Added code to use ISSUE_POINTS of instructions.
12128 (choose_ready): Added code to choose between speculative and
12129 non-speculative instructions.
12130 (schedule_block): Added code to handle ebb scheduling and scheduling of
12131 speculative instructions.
12132 (sched_init): Initialize new variables.
12133 (sched_finish): Free new variables. Print statistics.
12134 (try_ready): Added code to handle speculative instructions.
12135 * lists.c (copy_DEPS_LIST_list): New function.
12136 * sched-deps.c (extend_dependency_caches): New function. Move logic
12137 from create_dependency_caches to here.
12138 (get_dep_weak, ds_merge): Make global.
12139 * genattr.c (main): Code to output prototype for
12140 dfa_clear_single_insn_cache.
12141 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12142 (output_dfa_clean_insn_cache_func): Code to output
12143 dfa_clear_single_insn_cache function.
12144 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12146 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12148 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12149 New static variables.
12150 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12151 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12153 (ebb_sched_info): Initialize new fields.
12154 (get_block_head_tail): Adjust all uses.
12155 (compute_jump_reg_dependencies): Fixed to use glat_start.
12156 (schedule_ebb): Code to remove unreachable last block.
12157 (schedule_ebbs): Added code to update register live information.
12158 * sched-rgn.c (region_sched_info): Initialize new fields.
12159 (get_block_head_tail): Adjust all uses.
12160 (last_was_jump): Removed. Adjust users.
12161 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12162 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12163 Implement new hooks.
12164 (check_dead_notes1): New static function.
12165 (struct region): New fields: dont_calc_deps, has_real_ebb.
12166 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12167 (BB_TO_BLOCK): Fixed to handle EBBs.
12168 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12169 (ebb_head): New static variable.
12170 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12171 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12173 (compute_dom_prob_ps): New assertion.
12174 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12175 global_live_at_start.
12176 (init_ready_list): New assertions.
12177 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12178 (new_ready): Add support for BEGIN_CONTROL speculation.
12179 (schedule_insns): Fixed code that updates register live information
12181 (schedule_region): Fixed to handle EBBs.
12182 (init_regions): Use extend_regions and check_dead_notes1.
12183 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12184 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12185 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12186 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12187 TARGET_SCHED_GEN_CHECK,
12188 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12189 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12190 * doc/invoke.texi (max-sched-insn-conflict-delay,
12191 sched-spec-prob-cutoff): Document.
12193 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12195 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12196 inter_tick, queue_index.
12197 (struct sched_info): Change signature of init_ready_list field.
12198 Adjust all initializations.
12199 (RESOLVED_DEPS): New access macro.
12200 (ready_add): Remove prototype.
12201 (try_ready): Add prototype.
12202 * sched-rgn.c (init_ready_list): Use try_ready.
12203 (schedule_region): Initialize
12204 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12205 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12206 (init_ready_list): Use try_ready.
12207 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12208 * lists.c (remove_list_elem): Remove `static'.
12209 (remove_free_INSN_LIST_elem): New function.
12210 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12211 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12212 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12214 (readyp): New variable.
12215 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12216 change_queue_index, resolve_dep): New static functions.
12217 (try_ready): New function. Adjust callers in sched-rgn.c and
12218 sched-ebb.c to use it instead of ready_add.
12219 (clock_var): Move at the begining of file.
12220 (rank_for_schedule): Fix typo.
12221 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12222 (ready_lastpos): Enforce assertion.
12223 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12224 update all callers.
12225 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12226 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12227 (queue_to_ready): Use free_INSN_LIST_list.
12228 (early_queue_to_ready): Fix typo.
12229 (schedule_block): Init readyp. Move init_ready_list call after the
12230 initialization of clock_var. Fix error in rejecting insn by
12231 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12232 that previously corrected INSN_TICKs. Add code for handling
12234 (set_priorities): Fix typo.
12235 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12236 Clarify comment and code that keeps current_sched_info->next_tail
12239 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12241 * sched-rgn.c (extend_rgns): New static function.
12242 (find_rgns): Use it.
12243 (gather_region_statistics, print_region_statistics): New static
12245 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12246 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12248 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12249 Andrey Belevantsev <abel@ispras.ru>
12251 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12252 * lists.c (unused_deps_list): New variable.
12253 (free_list): Add assertions to verify the proper distinguishing
12254 between INSN_LISTs and DEPS_LISTs.
12255 (find_list_elem, remove_list_elem, remove_list_node): New static
12257 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12258 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12259 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12260 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12262 (free_INSN_LIST_node): Likewise.
12263 * modulo-sched.c (current_sched_info): Initialize flags field.
12264 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12265 * rtl.def (DEPS_LIST): Define.
12266 * rtl.h: Declare new functions from lists.c.
12267 * sched-deps.c (spec_dependency_cache): New static variable.
12268 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12269 (add_dependence): Change return type to void. Move the logic to ...
12270 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12271 (delete_all_dependences): Add comment about forward_dependency_cache.
12272 Handle spec_dependency_cache. Handle DEPS_LISTs.
12273 (fixup_sched_groups): Clarify the change of priority of output
12274 and anti dependencies.
12275 (sched_analyze_2): Adjust add_dependence calls to create data
12276 speculative dependence.
12277 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12278 Adjust all callers. Handle DEPS_LISTS.
12279 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12280 presence of speculation.
12281 (init_dependency_caches, free_dependency_caches):
12282 Handle spec_dependency_cache.
12283 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12284 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12285 New static functions.
12286 (add_or_update_back_dep, add_or_update_back_forw_dep,
12287 add_back_forw_dep, delete_back_forw_dep): New functions.
12288 * sched-int.h (ds_t, dw_t): New typedefs.
12289 (struct sched_info): Add new field flags.
12290 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12291 Prototype new sched-deps.c functions.
12292 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12293 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12294 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12295 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12296 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12297 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12299 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12301 * sched-rgn.c (current_sched_info): Initialize flags field.
12302 (schedule_insns): Initialize current_sched_info before the sched_init
12304 * sched-ebb.c (current_sched_info): Initialize flags field.
12305 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12306 Call add_or_update_back_dep instead of add_dependence.
12307 Create control speculative dependencies.
12308 (schedule_insns): Initialize current_sched_info before the sched_init
12311 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12313 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12315 (sh_fallback_frame_state): Likewise.
12317 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12319 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12320 Do switch on default_use_cxa_atexit.
12321 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12322 * config/darwin-crt3.o: New.
12323 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12324 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12325 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12327 * config/rs6000/t-darwin: Move crt2.o building to here.
12328 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12329 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12332 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12334 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12335 from '! xxx' to '!xxx' for coding-style conformance.
12336 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12337 (EXTRA_CONSTRAINT): Likewise.
12338 * config/vax/vax.md (four unnamed insns): Likewise.
12340 2006-03-15 Paul Brook <paul@codesourcery.com>
12342 * config/arm/arm.c (minipool_pad): New.
12343 (add_minipool_forward_ref): Include pool alignment padding in address
12345 (push_minipool_fix): Set minipool_pad.
12346 (minipool_pad): Ditto.
12348 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12350 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12351 instead of GET_CODE() == MEM and REG_P() instead of
12353 (print_operand_address): Likewise.
12354 (vax_address_cost): Likewise.
12355 (vax_rtx_costs): Likewise.
12356 (vax_notice_update_cc): Likewise.
12357 (vax_output_int_add): Likewise.
12358 (INDEX_REGISTER_P): Likewise.
12359 (BASE_REGISTER_P): Likewise.
12360 (nonindexed_address_p): Likewise.
12361 (vax_mode_dependent_address_p): Likewise.
12362 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12363 (PRINT_OPERAND): Likewise.
12364 * config/vax/vax.md (ashlsi3): Likewise.
12365 (ashlsi3): Likewise.
12366 (some more unnamed insns): Likewise.
12368 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12370 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12371 iterator-style macro.
12372 (mark_control_dependent_edges_necessary): Update the use of
12373 EXECUTE_IF_CONTROL_DEPENDENT.
12375 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12377 * config/sh/predicates.md (cache_address_operand): Special.
12378 (ua_address_operand): Likewise.
12380 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12382 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12384 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12386 2006-03-15 Andreas Schwab <schwab@suse.de>
12388 * gensupport.c (identify_predicable_attribute): Don't free p_false
12389 when it is still in use.
12391 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12393 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12394 the default setting here.
12396 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12398 * tree-pass.h (pass_cfg): Remove.
12399 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12400 * passes.c (pass_cfg): Don't run it.
12402 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12404 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12405 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12407 (stack_regs_mentioned): Update the uses of
12408 stack_regs_mentioned_data. Don't access the array beyond its
12410 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12411 Don't include gt-reg-stack.h.
12413 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12414 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12416 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12418 PR middle-end/26684
12419 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12422 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12424 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12426 2006-03-14 Richard Guenther <rguenther@suse.de>
12428 PR tree-optimization/26672
12429 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12432 2006-03-14 Richard Guenther <rguenther@suse.de>
12434 PR tree-optimization/26667
12435 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12436 node for the callees. Always allow inlining if it will shrink
12439 2006-03-14 Richard Guenther <rguenther@suse.de>
12441 PR middle-end/26659
12442 * builtins.c (get_pointer_alignment): Prefer alignment
12443 information from decls over that from types.
12445 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12448 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12450 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12452 * config/rs6000/rs6000.opt (mdlmzb): New option.
12453 (msched-prolog, msched-epilog): Use Var not Mask.
12454 * doc/invoke.texi (-mdlmzb): Document.
12455 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12457 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12458 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12460 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12462 PR rtl-optimization/25739
12463 * bt-load.c (augment_live_range): Free tos pointer.
12465 * gensupport.c (identify_predicable_attribute): Free
12467 * gcov.c (create_file_names): Free name pointer.
12469 2006-03-13 Roger Sayle <roger@eyesopen.com>
12471 PR middle-end/26557
12472 * stmt.c (emit_case_nodes): Handle the case where the index is a
12473 CONST_INT, where the comparison mode is specified by the index type.
12475 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12477 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12480 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12482 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12483 (*branch_fp_inverted): Likewise.
12485 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12487 PR middle-end/25989
12488 * omp-low.c (expand_omp_for_generic): Mark istart0
12489 and iend0 as addressable.
12491 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12493 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12495 2006-03-13 Jeff Law <law@redhat.com>
12497 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12498 virtual operands are interesting.
12499 (vrp_visit_stmt): Corresponding changes.
12501 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12503 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12505 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12506 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12507 * config/bfin/crti.S: Use it instead of __PIC__.
12508 * config/bfin/crtn.S: Likewise.
12510 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12511 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12513 Lose 'G' modifier for call operand.
12514 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12515 recognize 'G' modifier.
12517 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12519 PR middle-end/18859
12520 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12521 * stmt.c (expand_case): Likewise.
12523 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12525 PR rtl-optimization/26254
12526 * loop-invariant.c (seq_insns_valid_p): New function.
12527 (move_invariant_reg): Only emit new code if it is valid.
12529 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12531 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12533 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12534 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12535 (commit_one_edge_insertion): Do not look for loop notes.
12537 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12539 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12540 flag_test_coverage out of loop.
12542 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12544 * final.c (shorten_branches): Remove outdated comment, and turn
12545 the if branch that guards it to continue.
12547 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12549 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12550 * cfgloop.h (struct loop): Remove unused fields.
12552 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12554 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12555 (-dL, -fdump-rtl-loop2): Update the dump file names
12557 * doc/invoke.texi: Update dump file names.
12559 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12561 * predict.c (estimate_probability): Remove.
12562 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12563 * basic-block.h (estimate_probability): Remove prototype.
12564 * passes.c (finish_optimization_passes): Dump branch prediction or
12565 profiling heuristics to the .profile tree dump.
12566 (init_optimization_passes): Unqueue pass_branch_prob.
12568 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12570 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12572 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12573 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12575 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12577 * function.h (frame_offset_overflow): Declare.
12578 * function.c (frame_offset_overflow): New function.
12579 (assign_stack_local_1): Call it to detect that the offset overflows.
12580 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12582 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12584 * config/sh/sh.c: Include alloc-pool.h.
12585 (label_ref_list_pool): New alloc pool.
12586 (label_ref_list_t): New type for lists of labels.
12587 (struct pool_node): Make wend a label_ref_list_t.
12588 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12590 (dump_table): Likewise.
12591 (sh_reorg): Set up the alloc pool before using add_constant and
12592 dump_table, and destroy it when finishing.
12594 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12596 * config/mips/mips.c: Remove redundant comment.
12598 2006-03-10 Jason Merrill <jason@redhat.com>
12601 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12602 the target was declared 'register'.
12604 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12606 * genpreds.c (write_insn_constraint_len): Change definition of
12607 insn_constraint_len to return size_t to match the declaration.
12609 2006-03-10 DJ Delorie <dj@redhat.com>
12611 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12613 (m32c_expand_insv): Fix test for an AND mask.
12615 2006-03-10 Richard Guenther <rguenther@suse.de>
12617 PR middle-end/26565
12618 * builtins.c (get_pointer_alignment): Handle component
12619 references for field alignment.
12621 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12623 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12624 when building with libgloss.
12625 (sh*elf): Implement --without-fp option.
12626 (sh64-superh-linux*): Don't multilib.
12628 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12630 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12632 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12634 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12635 Set it when one of the replacement functions returned true.
12636 Return TODO_cleanup_cfg if cfgchanged is true.
12637 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12639 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12641 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12642 instead of gen_lowpart.
12644 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12646 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12648 (mips_output_order_conditional_branch): Declare.
12649 * config/mips/mips.h (MIPS_BRANCH): New macro.
12650 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12651 for the comparison. Use gen_condjump.
12652 (mips_output_conditional_branch): Rework interface to take the
12653 asm templates for a direct branch and the inverse of a direct branch.
12654 (mips_output_order_conditional_branch): New function.
12655 (mips_builtin_branch_and_move): New function.
12656 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12657 branch condition. Use gen_single_cc as the condition for
12658 __builtin_mips_upper_* or __builtin_mips_lower_*.
12659 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12660 Use VOIDmode for the branch condition.
12661 * config/mips/predicates.md (order_operator): New predicate.
12662 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12663 (branch_fp): Rename to...
12664 (*branch_fp): ...this. Remove mode from comparison operator.
12665 Use new mips_output_conditional_branch interface.
12666 (branch_fp_inverted): Rename to...
12667 (*branch_fp_inverted): ...this and update as for *branch_fp.
12668 (*branch_zero<mode>): Rename to...
12669 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12670 Use mips_output_order_conditional_branch. Only accept ordered
12672 (*branch_zero<mode>_inverted): Rename to...
12673 (*branch_order<mode>_inverted): ...this and update as for
12674 *branch_order<mode>.
12675 (*branch_equality<mode>): Accept zero as the second operand to
12676 the equality operator. Use the new mips_output_conditional_branch
12678 (*branch_equality<mode>_inverted): Likewise.
12679 (condjump): New expander.
12680 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12682 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12683 (bc1any2t, bc1any2f): Likewise.
12684 (single_cc): New expander.
12685 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12687 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12689 * doc/md.texi: Update documentation of MIPS constraints.
12690 * config/mips/constraints.md: New file.
12691 * config/mips/mips.md: Include it.
12692 * config/mips/mips.c (mips_char_to_class): Delete.
12693 (override_options): Don't initialize mips_char_to_class.
12694 * config/mips/mips.h (mips_char_to_class): Delete.
12695 (REG_CLASS_FROM_LETTER): Delete.
12696 (CONST_OK_FOR_LETTER_P): Delete.
12697 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12698 (EXTRA_CONSTRAINT_Y): Delete.
12699 (EXTRA_CONSTRAINT_STR): Delete.
12700 (CONSTRAINT_LEN): Delete.
12701 (EXTRA_MEMORY_CONSTRAINT): Delete.
12703 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12705 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12706 original fn's eh regions.
12708 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12710 * fold-const.c (build_range_check): Make sure to use a valid type to
12711 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12714 (range_predecessor): New static function.
12715 (range_successor): Likewise.
12716 (merge_ranges): Use them to compute predecessors and successors of
12719 2006-03-09 Roger Sayle <roger@eyesopen.com>
12721 PR middle-end/26561
12722 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12723 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12725 2006-03-08 DJ Delorie <dj@redhat.com>
12727 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12728 (addpsi3): Expand to include memory operands. Remove
12729 reload-specific splits.
12730 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12731 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12732 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12733 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12734 (shift1_qi, shift1_hi, insv): New.
12735 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12736 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12737 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12739 * config/m32c/m32c-protos.h: Update as needed.
12740 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12741 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12742 Fail for unrecognized R* constraints.
12743 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12744 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12745 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12747 (m32c_init_libfuncs): New.
12748 (m32c_legitimate_address_p): Add debug wrapper.
12749 (m32c_rtx_costs): New.
12750 (m32c_address_cost): New.
12751 (conversions): Add 'B' prefix.
12752 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12753 operands, or word regnames for QI operands. 'B' prints bit
12755 (m32c_expand_setmemhi): New.
12756 (m32c_expand_movmemhi): New.
12757 (m32c_expand_movstr): New.
12758 (m32c_expand_cmpstr): New.
12759 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12760 (m32c_expand_neg_mulpsi3): Handle non-ints.
12761 (m32c_cmp_flg_0): New.
12762 (m32c_expand_movcc): New.
12763 (m32c_expand_insv): New.
12764 (m32c_scc_pattern): New.
12765 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12766 a0/a1 out of SIregs.
12767 (STORE_FLAG_VALUE): New.
12768 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12771 * config/m32c/mov.md: Make constraints more liberal.
12772 (zero_extendqihi2): Optimize r0/r1 case.
12773 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12774 * config/m32c/predicates.md (m32c_any_operand): New.
12775 (m32c_nonimmediate_operand): New.
12776 (m32c_hl_operand): New.
12777 (m32c_r3_operand): New.
12780 (memsym_operand): New.
12781 (memimmed_operand): New.
12782 (a_qi_operand): New.
12783 (m32c_eqne_operator): New.
12784 (m32c_1bit8_operand): New.
12785 (m32c_1bit16_operand): New.
12786 (m32c_1mask8_operand): New.
12787 (m32c_1mask16_operand): New.
12788 * config/m32c/blkmov.md: New file.
12789 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12791 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12793 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12794 unsigned to fix signed/unsigned comparison issue in
12795 DWARF2_FRAME_REG_OUT.
12796 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12797 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12799 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12800 of ptr into the ENABLE_CHECKING section.
12802 2006-03-08 Jeff Law <law@redhat.com>
12804 * tree-vrp.c (infer_value_range): Only count pointer uses
12805 and dereferences if -fdelete-null-pointer-checks is enabled.
12807 * tree-vrp.c (find_assert_locations): Infer value ranges for
12808 single use pointers, but do not create ASSERT_EXPRs for them.
12809 When a non-null range is inferred for a pointer, backwards
12810 propagate that range to other equivalent pointers through the
12813 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12816 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12817 language hook targets.
12818 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12819 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12820 if language hook targets were missing.
12822 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12824 * tree-ssa-opfinalize.h: Removed.
12825 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12827 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12828 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12829 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12830 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12831 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12832 finalize_ssa_v_must_def_ops): New.
12834 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12836 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12837 block as parameter.
12839 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12841 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12843 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12844 addresses with offsets; reorganize.
12846 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12847 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12848 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12850 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12853 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12855 2006-03-08 Ben Elliston <bje@au.ibm.com>
12857 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12859 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12862 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12865 2006-03-07 Richard Guenther <rguenther@suse.de>
12867 PR tree-optimization/26587
12868 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12870 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12872 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12874 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12876 * hooks.c (hook_bool_mode_rtx_true): New function.
12877 * hooks.h (hook_bool_mode_rtx_true): Declare.
12878 * toplev.c (compile_file): Call output_shared_constant_pool.
12879 * varasm.c (shared_constant_pool): New variable.
12880 (assemble_start_function, assemble_end_function): Remove arguments
12881 from call to output_constant_pool.
12882 (create_constant_pool): New function, split out from...
12883 (init_varasm_status): ...here.
12884 (force_const_mem): Choose between the shared and per-function constant
12885 pools. Set current_function_uses_const_pool when reusing old entries
12886 as well as when creating new ones.
12887 (mark_constant): Ignore data argument.
12888 (mark_constants): Remove pool argument.
12889 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12890 to decide whether the function uses a constant pool.
12891 (output_constant_pool_contents): New function, split out from...
12892 (output_constant_pool): ...here.
12893 (output_shared_constant_pool): New function.
12894 (init_varasm_once): Initialize shared_constant_pool.
12895 * output.h (output_constant_pool): Delete.
12896 (output_shared_constant_pool): Declare.
12897 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12898 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12900 2006-03-06 Nick Clifton <nickc@redhat.com>
12902 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12903 flag_strength_reduce.
12905 2006-03-06 Ben Elliston <bje@au.ibm.com>
12907 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12908 x86_64-*-linux* configurations.
12910 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12911 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12913 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12915 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12917 * basic-block.h: Remove the extern for
12918 rediscover_loops_after_threading.
12920 * cfgloop.c (cancel_loop): Make it static.
12921 * cfgloop.h: Remove the prototype for cancel_loop.
12923 * flow.c (recompute_reg_usage): Make it static.
12924 * rtl.h: Remove the prototype for recompute_reg_usage.
12926 * function.c (use_return_register): Make it static.
12927 * function.h: Remove the prototype.
12929 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12931 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12933 * recog.h: Remove the prototype for
12934 validate_change_maybe_volatile.
12936 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12938 * rtlanal.c (replace_reg): Remove.
12939 * rtl.h: Remove the prototype for replace_reg.
12941 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12943 * regclass.c (reg_scan_update): Remove.
12944 (reg_scan_mark_refs): Remove the last argument.
12945 * rtl.h: Remove the prototype for reg_scan_update.
12947 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12949 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12950 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12951 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12952 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12953 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12954 loop-invariant.c, omp-low.c, opts.c, passes.c,
12955 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12956 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12957 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12958 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12959 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12960 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12962 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12964 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12965 * dwarf2out.h: Remove the prototype for
12966 dwarf2out_add_library_unit_info.
12968 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12970 * tree.c (add_var_to_bind_expr): Remove.
12971 * tree.h: Remove the prototype for add_var_to_bind_expr.
12973 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12975 * regclass.c (n_non_fixed_regs): Remove.
12976 (init_reg_sets_1, globalize_reg): Remove all uses of
12978 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12980 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12982 * rtlanal.c (insns_safe_to_move_p): Remove.
12983 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12985 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12987 * expmed.c (expand_mult_add): Remove.
12988 * expr.h: Remove the prototype for expand_mult_add.
12990 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12992 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12993 and REG_SAVED_VAL_EXP constants.
12994 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12995 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12996 Handle regs stored by value.
12997 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12998 (execute_cfa_program): Handle DW_CFA_val_offset,
12999 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13000 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13001 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13002 (uw_install_context_1): Handle target regs stored by value.
13004 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13006 * tree-sra.c (tree_sra): Return todoflags;
13007 (generate_one_element): Set TODO_update_smt_usage if needed.
13008 (pass_sra): Remove TODO_update_smt_usage.
13009 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13011 (tree_ssa_forward_propagate_single_use_vars): Return
13012 TODO_update_smt_usage if we need to update SMT usage.
13013 (pass_forwprop): Remove TODO_update_smt_usage.
13015 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13017 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13018 (correct_use_link): Remove reference to get_stmt_operands.
13019 (update_stmt_operands): Likewise.
13020 (get_modify_expr_operands): New function factored out of
13021 parse_ssa_operands and get_expr_operands.
13022 Try to create V_MUST_DEFs for LHS by default.
13023 (get_expr_operands) <case MODIFY_EXPR>: Call
13024 get_modify_expr_operands.
13025 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13026 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13027 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13028 get_modify_expr_operands.
13030 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13032 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13033 * tree-flow.h: Remove the prototype for
13034 referenced_var_lookup_if_exists.
13036 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13038 PR rtl-optimization/26345
13040 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13042 2006-03-03 Roger Sayle <roger@eyesopen.com>
13044 PR tree-optimization/26524
13045 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13046 fold_convert to create a constant of the appropriate type.
13048 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13050 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13051 SYMBOL_REF_IN_BLOCK_P.
13052 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13053 of SYMBOL_FLAG_IN_BLOCK.
13054 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13055 instead of SYMBOL_REF_IN_BLOCK_P.
13056 * explow.c (use_anchored_address): Likewise.
13057 * rtl.c (rtx_size): Likewise.
13058 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13059 instead of SYMBOL_FLAG_IN_BLOCK.
13060 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13061 SYMBOL_REF_IN_BLOCK_P.
13062 (assemble_variable): Likewise.
13063 (output_constant_def_contents): Likewise.
13064 (output_constant_pool): Likewise.
13065 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13066 instead of SYMBOL_FLAG_IN_BLOCK.
13067 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13068 SYMBOL_REF_IN_BLOCK_P.
13069 (SYMBOL_REF_BLOCK): Likewise.
13070 (SYMBOL_REF_OFFSET): Likewise.
13071 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13072 SYMBOL_REF_IN_BLOCK_P.
13073 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13074 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13075 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13076 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13078 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13080 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13082 2006-03-02 Roger Sayle <roger@eyesopen.com>
13084 * simplify-rtx.c (simplify_unary_operation): When simplifying
13085 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13086 that we perform the right shift in the appropriate mode, and
13087 then extend or truncate the result to requested mode.
13089 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13091 * gengtype.c (main): Handle double_int type.
13092 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13093 * double-int.c: New file.
13094 * double-int.h: New file.
13095 * system.h: Include doubleint.h.
13096 * Makefile.in (SYSTEM_H): Include double-int.h.
13097 (double-int.o): Add.
13099 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13102 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13105 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13107 * tree-vrp.c (remove_range_assertions): Do not update statements
13110 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13112 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13114 * gcse.c (rest_of_handle_gcse): Ditto.
13115 * except.c (gate_handle_eh): Ditto.
13116 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13117 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13119 2006-03-02 Eric Christopher <echristo@apple.com>
13121 * config/i386/i386.c (machopic_output_stub): Add indirection to
13124 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13128 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13130 Sun Niagara specific optimizations.
13131 * config.gcc: Recognize niagara as target.
13132 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13133 (TARGET_CPU_niagara): Define.
13134 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13135 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13136 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13137 (ASM_CPU_SPEC): Likewise.
13138 (PROCESSOR_NIAGARA): New enum entry.
13139 (REGISTER_MOVE_COST): Handle Niagara.
13140 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13141 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13142 (sparc_override_options): Recognize "niagara", set appropriate
13143 default MASK_* values for it, and align functions to 32-bytes
13144 by default just like ULTRASPARC/ULTRASPARC3.
13145 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13146 (sparc64_initialize_trampoline): Likewise.
13147 (sparc_use_sched_lookahead): Use zero for niagara.
13148 (sparc_issue_rate): Use one for niagara.
13149 * config/sparc/niagara.md: New file.
13150 * config/sparc/sparc.md: Include it.
13151 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13152 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13153 when default cpu is niagara.
13154 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13155 (ASM_CPU_SPEC): Likewise.
13156 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13157 when default cpu is niagara.
13158 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13159 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13160 just like v9/ultrasparc/ultrasparc3.
13161 * doc/invoke.texi: Add documentation for "niagara" and improve
13162 existing documentation for ultrasparc variants.
13164 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13166 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13168 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13170 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13171 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13172 and say that only one is needed.
13173 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13174 * target.h (have_switchable_bss_sections): New hook.
13175 * explow.c (use_anchored_address): Check that the symbol is in a block.
13176 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13177 (bss_noswitch_section): New variables.
13178 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13179 (get_noswitch_section): New function.
13180 (get_block_for_section): Allow SECT to be null.
13181 (unlikely_text_section_p): Use SECTION_STYLE.
13182 (bss_initializer_p): New function.
13183 (get_variable_section): Move earlier in file. Take a new argument,
13184 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13185 Return one of the new *_sections in such cases.
13186 (get_block_for_decl): New function, extracting some logic from
13187 use_blocks_for_decl_p.
13188 (change_symbol_section): Remove in favor of...
13189 (change_symbol_block): ...this new function.
13190 (use_blocks_for_decl_p): Remove checks now performed by
13191 get_block_for_decl.
13192 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13193 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13194 (emit_local, emit_bss, emit_common): ...these new functions.
13195 Return true if the alignment was honored.
13196 (emit_tls_common): New function.
13197 (asm_emit_uninitialised): Delete.
13198 (assemble_variable_noswitch): New function, split out from...
13199 (assemble_variable): ...here. Don't make decisions about common
13200 variables here. Globalize all public decls that go into non-common
13201 sections. Check whether SYMBOL_REF_BLOCK is null.
13202 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13203 (output_constant_pool): Likewise.
13204 (init_varasm_once): Initialize the new section variables.
13205 (have_global_bss_p): New function.
13206 (categorize_decl_for_section): Use bss_initializer_p.
13207 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13208 (place_block_symbol): Assert that the symbol must be in a block.
13209 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13210 (TARGET_INITIALIZER): Include it.
13211 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13212 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13213 (SECTION_MACH_DEP): Bump by two.
13214 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13215 (unnamed_section): Mention SECTION_UNNAMED in comment.
13216 (named_section): Likewise SECTION_NAMED.
13217 (noswitch_section_callback): New type.
13218 (noswitch_section): New structure.
13219 (section): Add a noswitch_section alternative.
13220 (SECTION_STYLE): New macro.
13221 (tls_comm_section, comm_section, lcomm_section): Declare.
13222 (bss_noswitch_section, have_global_bss_p): Declare.
13223 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13224 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13226 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13227 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13230 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13232 * tree-vrp.c (execute_vrp): Return value.
13233 * regrename.c (rest_of_handle_regrename): Ditto.
13234 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13235 * tree-complex.c (tree_lower_complex): Ditto.
13236 (tree_lower_complex_O0): Ditto.
13237 * tracer.c (rest_of_handle_tracer): Ditto.
13238 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13239 * postreload.c (rest_of_handle_postreload): Ditto.
13240 * tree-tailcall.c (execute_tail_recursion): Ditto.
13241 (execute_tail_calls): Ditto.
13242 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13243 * tree.h (init_function_for_compilation): Ditto.
13244 * ipa-cp.c (ipcp_driver): Ditto.
13245 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13246 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13247 * final.c (compute_alignments): Ditto.
13248 (rest_of_handle_final): Ditto.
13249 (rest_of_handle_shorten_branches): Ditto.
13250 (rest_of_clean_state): Ditto.
13251 * omp-low.c (execute_expand_omp): Ditto.
13252 (execute_lower_omp): Ditto.
13253 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13254 * ipa-reference.c (static_execute): Ditto.
13255 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13256 * reorg.c (rest_of_handle_delay_slots): Ditto.
13257 (rest_of_handle_machine_reorg): Ditto.
13258 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13259 * flow.c (recompute_reg_usage): Ditto.
13260 (rest_of_handle_remove_death_notes): Ditto.
13261 (rest_of_handle_life): Ditto.
13262 (rest_of_handle_flow2): Ditto.
13263 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13264 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13265 (do_ssa_store_ccp): Ditto.
13266 (execute_fold_all_builtins): Ditto.
13267 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13268 * modulo-sched.c (rest_of_handle_sms): Ditto.
13269 * ipa-pure-const.c (static_execute): Ditto.
13270 * cse.c (rest_of_handle_cse): Ditto.
13271 (rest_of_handle_cse2): Ditto.
13272 * web.c (rest_of_handle_web): Ditto.
13273 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13274 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13275 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13276 * tree-nrv.c (tree_nrv): Ditto.
13277 (execute_return_slot_opt): Ditto.
13278 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13279 (create_structure_vars): Ditto.
13280 * loop-init.c (rtl_loop_init): Ditto.
13281 (rtl_loop_done): Ditto.
13282 (rtl_move_loop_invariants): Ditto.
13283 (rtl_unswitch): Ditto.
13284 (rtl_unroll_and_peel_loops): Ditto.
13285 (rtl_doloop): Ditto.
13286 * gimple-low.c (lower_function_body): Ditto.
13287 (mark_used_blocks): Ditto.
13288 * tree-ssa-sink.c (execute_sink_code): Ditto.
13289 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13290 (cgraph_early_inlining): Ditto.
13291 * global.c (rest_of_handle_global_alloc): Ditto.
13292 * jump.c (cleanup_barriers): Ditto.
13293 (purge_line_number_notes): Ditto.
13294 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13295 (rest_of_handle_if_after_reload): Ditto.
13296 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13297 (tree_ssa_loop_im): Ditto.
13298 (tree_ssa_loop_unswitch): Ditto.
13299 (tree_vectorize): Ditto.
13300 (tree_linear_transform): Ditto.
13301 (tree_ssa_loop_ivcanon): Ditto.
13302 (tree_ssa_empty_loop): Ditto.
13303 (tree_ssa_loop_bounds): Ditto.
13304 (tree_complete_unroll): Ditto.
13305 (tree_ssa_loop_prefetch): Ditto.
13306 (tree_ssa_loop_ivopts): Ditto.
13307 (tree_ssa_loop_done): Ditto.
13308 * predict.c (tree_estimate_probability): Ditto.
13309 * recog.c (split_all_insns_noflow): Ditto.
13310 (rest_of_handle_peephole2): Ditto.
13311 (rest_of_handle_split_all_insns): Ditto.
13312 * tree-eh.c (lower_eh_constructs): Ditto.
13313 * regmove.c (rest_of_handle_regmove): Ditto.
13314 (rest_of_handle_stack_adjustments): Ditto.
13315 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13316 * function.c (instantiate_virtual_regs): Ditto.
13317 (init_function_for_compilation): Ditto.
13318 (rest_of_handle_check_leaf_regs): Ditto.
13319 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13320 (rest_of_handle_gcse): Ditto.
13321 * ipa-type-escape.c (type_escape_execute): Ditto.
13322 * alias.c (rest_of_handle_cfg): Ditto.
13323 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13324 * profile.c (rest_of_handle_branch_prob): Ditto.
13325 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13326 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13327 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13328 * tree-dfa.c (find_referenced_vars): Ditto.
13329 * except.c (set_nothrow_function_flags): Ditto.
13330 (convert_to_eh_region_ranges): Ditto.
13331 (rest_of_handle_eh): Ditto.
13332 * emit-rtl.c (unshare_all_rtl): Ditto.
13333 (remove_unnecessary_notes): Ditto.
13334 * except.h (set_nothrow_function_flags): Ditto.
13335 (convert_to_eh_region_ranges): Ditto.
13336 * cfgexpand.c (tree_expand_cfg): Ditto.
13337 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13338 * tree-ssa-pre.c (do_pre): Ditto.
13339 (execute_fre): Ditto.
13340 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13341 (rest_of_handle_jump2): Ditto.
13342 * tree-sra.c (tree_sra): Ditto.
13343 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13344 (execute_mudflap_function_decls): Ditto.
13345 * tree-ssa-copy.c (do_copy_prop): Ditto.
13346 (do_store_copy_prop): Ditto.
13347 * ipa-prop.h (ipcp_driver): Ditto.
13348 * cfglayout.c (insn_locators_initialize): Ditto.
13349 * tree-ssa-forwprop.c
13350 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13351 * cfglayout.h (insn_locators_initialize): Ditto.
13352 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13353 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13354 (execute_late_warn_uninitialized): Ditto.
13355 * rtl.h (cleanup_barriers): Ditto.
13356 (split_all_insns_noflow): Ditto.
13357 (purge_line_number_notes): Ditto.
13358 (unshare_all_rtl): Ditto.
13359 (remove_unnecessary_notes): Ditto.
13360 (recompute_reg_usage): Ditto.
13361 (variable_tracking_main): Ditto.
13362 * integrate.c (emit_initial_value_sets): Ditto.
13363 * integrate.h (emit_initial_value_sets): Ditto.
13364 * tree-optimize.c (execute_free_datastructures): Ditto
13365 (execute_free_cfg_annotations): Ditto.
13366 (execute_fixup_cfg): Ditto.
13367 (execute_cleanup_cfg_pre_ipa): Ditto.
13368 (execute_cleanup_cfg_post_optimizing): Ditto.
13369 (execute_init_datastructures): Ditto.
13370 * tree-object-size.c (compute_object_sizes): Ditto.
13371 * combine.c (rest_of_handle_combine): Ditto.
13372 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13373 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13374 (rest_of_handle_reorder_blocks): Ditto.
13375 (rest_of_handle_partition_blocks): Ditto.
13376 * var-tracking.c (variable_tracking_main): Ditto.
13377 * tree-profile.c (tree_profiling): Ditto.
13378 * tree-vect-generic.c (expand_vector_operations): Ditto.
13379 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13380 * sched-rgn.c (rest_of_handle_sched): Ditto.
13381 (rest_of_handle_sched2): Ditto.
13382 * basic-block.h (free_bb_insn): Ditto.
13383 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13384 * tree-cfg.c (execute_build_cfg): Ditto.
13385 (remove_useless_stmts): Ditto.
13386 (split_critical_edges): Ditto.
13387 (execute_warn_function_return): Ditto.
13388 (execute_warn_function_noreturn): Ditto.
13389 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13390 * cfgrtl.c (free_bb_for_insn): Ditto.
13391 * passes.c (execute_one_pass): Run additional
13392 todos returned by execute function.
13393 * tree-pass.h (struct tree_opt_pass): Make execute
13396 2006-03-02 Richard Guenther <rguenther@suse.de>
13398 * tree-ssa-alias.c (find_used_portions): Consider taking
13399 the address as making the variable not write-only.
13401 2006-03-02 Nick Clifton <nickc@redhat.com>
13403 * config.gcc (default_use_cxa_atexit): Extend the description of
13404 this configure variable. Set its default value to "yes" for
13405 Linux, NetBSD and ELF targets on the assumption that they will
13406 use C libraries with the __cxa_atexit function.
13408 2006-03-02 Ben Elliston <bje@au.ibm.com>
13410 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13411 parameter as unused to suppress a build warning.
13413 2006-03-02 Ben Elliston <bje@au.ibm.com>
13415 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13418 2006-03-01 Roger Sayle <roger@eyesopen.com>
13421 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13422 declared name, the weak reference name, and the typeof name.
13423 (__gthrw): Avoid expanding the declared name suffix.
13424 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13426 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13428 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13430 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13431 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13432 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13433 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13434 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13435 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13436 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13437 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13438 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13439 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13440 (DW_END_default, DW_END_big, DW_END_little): New.
13441 (DW_END_lo_user, DW_END_hi_user): Define.
13442 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13443 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13444 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13447 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13449 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13451 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13453 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13455 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13457 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13458 to 'symbol_mem_tag'.
13460 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13463 2006-03-01 Roger Sayle <roger@eyesopen.com>
13465 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13467 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13470 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13471 MACHO_DYNAMIC_NO_PIC_P.
13472 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13474 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13477 * config/darwin-protos.h (darwin_asm_output_anchor):
13479 * config/darwin-sections.def (cstring_section):
13480 Add SECTION_MERGE to the flags.
13481 (literal4_section): Likewise.
13482 (literal8_section): Likewise.
13483 (objc_selector_refs_section): Likewise.
13484 (objc_cls_refs_section): Likewise.
13485 * config/darwin.c (darwin_asm_output_anchor): New
13487 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13489 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13491 Fix PR tree-optimization/26443
13492 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13493 to todo and PROP_tmt_usage to properties_destroyed.
13494 * tree-ssa-ccp.c (pass_ccp): Ditto.
13495 (pass_store_ccp): Ditto.
13496 * tree-ssa-dom.c (pass_dominator): Ditto.
13498 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13500 * tree-ssa-operands.c: Cleanup whitespace.
13501 (get_asm_expr_operands): Move before first invocation.
13502 (get_indirect_ref_operands): Likewise.
13503 (get_tmr_operands): Likewise.
13504 (get_call_expr_operands): Likewise.
13505 (append_def): Likewise.
13506 (append_use): Likewise.
13507 (append_v_may_def): Likewise.
13508 (append_v_must_def): Likewise.
13509 (add_call_clobber_ops): Likewise.
13510 (add_call_read_ops): Likewise.
13511 (add_stmt_operand): Likewise.
13512 (add_virtual_operand): Likewise.
13513 (build_ssa_operands): Likewise.
13515 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13517 PR middle-end/26022
13519 PR middle-end/24437
13520 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13521 with a call expr to ...
13522 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13524 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13526 * tree-vrp.c (extract_range_from_assert): Remove special
13527 handling for types with super-types.
13529 2006-03-01 Ben Elliston <bje@au.ibm.com>
13531 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13532 and powerpc64-*-linux* configurations.
13533 * config/t-dfprules: New file.
13535 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13536 Compile dfp-bit.c from the source directory using -DWIDTH and
13537 $DFP_CFLAGS to control the compilation of that file, rather than
13538 generating width-specific versions in the build directory.
13539 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13540 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13542 2006-02-28 Zack Weinberg <zackw@panix.com>
13544 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13547 2006-02-28 Eric Christopher <echristo@apple.com>
13549 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13550 Set up IN_LIBGCC definition of TARGET_64BIT.
13551 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13553 2006-02-28 Roger Sayle <roger@eyesopen.com>
13555 PR middle-end/14752
13556 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13557 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13558 cases via the construction of "expr != 0".
13560 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13562 * alias.c (alias_invariant, alias_invariant_size): Remove.
13563 (record_base_value): Remove.
13564 (memrefs_conflict_p): Don't look at alias_invariant.
13565 (end_alias_analysis): Don't free it.
13566 * alias.h (record_base_value): Remove prototype.
13568 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13569 Adam Nemet <anemet@caviumnetworks.com>
13571 * rtl.h (truncated_to_mode): Declare it.
13572 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13573 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13574 (RTL_HOOKS_INITIALIZER): Include it.
13575 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13576 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13577 reg_truncated_to_mode.
13578 * rtlanal.c (truncated_to_mode): Define it.
13579 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13581 2006-02-28 Jeff Law <law@redhat.com>
13583 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13584 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13585 the range allowed by TYPE_PRECISION.
13587 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13589 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13591 PR tree-optimization/26419
13592 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13595 2006-02-27 Zack Weinberg <zackw@panix.com>
13597 * doc/md.texi: Fix typo in previous change.
13599 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13603 2006-02-27 Zack Weinberg <zackw@panix.com>
13605 * rtl.def (define_constraint, define_register_constraint)
13606 (define_memory_constraint, define_address_constraint): New MD forms.
13607 * gensupport.c (process_rtx): Put define_constraint etc on the
13609 * genpreds.c (process_define_predicate): Adjust comment. Validate
13610 the name, and call validate_exp to validate the expression.
13611 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13612 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13613 all callers changed.
13614 (validate_exp, needs_variable, struct constraint_data)
13615 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13616 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13617 (const_dbl_constraints, constraint_max_namelen)
13618 (have_register_constraints, have_memory_constraints)
13619 (have_address_constraints, have_address_constraints)
13620 (have_extra_constraints, have_const_int_constraints)
13621 (have_const_dbl_constraints, mangle, add_constraint)
13622 (process_define_constraint, process_define_register_constraint)
13623 (write_enum_constraint_num, write_lookup_constraint)
13624 (write_insn_constraint_len, write_regclass_for_constraint)
13625 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13626 (write_insn_extra_memory_constraint)
13627 (write_insn_extra_address_constraint)
13628 (write_satisfies_constraint_fns): New.
13629 (write_tm_preds_h): If we have new-style constraint definitions,
13630 prototype the functions generated from them, and define the
13631 old constraint interface (still used by generic code) in terms of
13633 (write_insn_preds_c): If we have new-style constraint definitions,
13634 generate all relevant functions from those definitions.
13635 (main): Handle define_constraint etc.
13636 * genoutput.c (struct constraint_data, indep_constraints)
13637 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13638 (mdep_constraint_len): New data structures and functions, defined
13639 #ifdef USE_MD_CONSTRAINTS.
13640 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13641 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13642 use new logic to validate operand constraints against constraint
13644 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13646 * defaults.h: If none of the old-style constraint macros are
13647 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13648 old-style macros; and poison REG_CLASS_FROM_LETTER,
13649 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13651 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13652 * doc/md.texi: Document new constraint-definition mechanism and the
13653 C interface it provides. Remove references to old mechanism
13654 elsewhere in the document.
13655 (Machine Constraints): Use pathnames relative to gcc directory,
13656 i.e. config/ARCH/FILE. Change i386 section to refer to
13657 config/i386/predicates.md; update that section to match docstrings.
13658 * doc/tm.texi: Move all documentation of the old constraint-
13659 definition macros to their own section, clearly mark as obsolete.
13661 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13662 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13664 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13665 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13666 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13667 constraint strings.
13668 (splits and peepholes): Use satisfies_constraint_*.
13669 * config/i386/i386.c (memory_address_length)
13670 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13672 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13674 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13675 scalar operation to be put back into the loop.
13677 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13680 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13681 (extract_cie_info): Handle S flag in augmentation string.
13682 (execute_cfa_program): If context->signal_frame, execute also
13683 fs->pc == context->ra instructions.
13684 (uw_frame_state_for): If context->signal_frame, don't subtract one
13685 from context->ra to find FDE.
13686 (uw_update_context_1): Set context->signal_frame to
13688 (_Unwind_GetIPInfo): New function.
13689 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13690 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13692 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13693 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13694 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13695 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13696 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13697 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13698 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13699 x86_64_fallback_frame_state): Set fs->signal_frame.
13700 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13701 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13702 (frob_update_context): Likewise. Workaround missing S flag in
13703 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13704 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13705 Remove the psw_addr + 1 hack.
13707 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13709 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13710 with aggregates here.
13711 (find_func_aliases): Remove code for &<aggregate> from here.
13713 2006-02-26 Roger Sayle <roger@eyesopen.com>
13715 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13716 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13717 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13718 as (X & C) ne/eq 0.
13720 2006-02-26 Roger Sayle <roger@eyesopen.com>
13722 PR middle-end/19983
13723 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13725 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13727 * opts.c (decode_options): Do not handle flag_strength_reduce.
13728 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13729 and OPT_fstrength_reduce.
13730 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13731 flag_prefetch_loop_arrays for being nonzero.
13732 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13734 (fprefetch-loop-arrays-rtl): Removed.
13735 (flag_prefetch_loop_arrays): Do not specify the value.
13737 * doc/passes.texi: Update documentation of loop optimizer
13739 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13740 -frerun-loop-opt): Remove.
13742 2006-02-26 Richard Guenther <rguenther@suse.de>
13744 PR tree-optimization/26421
13745 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13746 in function calls that are ADDR_EXPRs as using the whole structure.
13748 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13750 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13751 * tree-pass.h (pass_loop_optimize): Remove.
13752 * passes.c (pass_loop_optimize): Never run it.
13753 * toplev.c (backend_init): Don't call init_loop.
13754 * opts.c (flag_loop_optimize_set): Remove.
13755 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13756 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13757 the old RTL loop optimizer when profiling enabled.
13758 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13759 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13760 pre-headers for the sake of the old RTL loop optimizer.
13761 * Makefile.in: Remove all references to loop.o.
13763 * doc/invoke.texi: Remove all references to -floop-optimize
13764 and -frerun-loop-opt.
13766 2006-02-26 Zack Weinberg <zackw@panix.com>
13768 * doc/md.texi (Machine Constraints): Refer to all files with paths
13769 relative to gcc directory (i.e. config/CPU/file). Add missing
13770 @table @code ... @end table to M32C subsection.
13772 2006-02-26 Roger Sayle <roger@eyesopen.com>
13774 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13776 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13778 2006-02-26 Roger Sayle <roger@eyesopen.com>
13779 James A. Morrison <phython@gcc.gnu.org>
13781 PR middle-end/21137
13782 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13783 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13784 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13785 signedness of the shift operation.
13787 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13789 PR tree-optimization/26359
13790 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13792 2006-02-25 Roger Sayle <roger@eyesopen.com>
13794 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13795 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13796 as X == 0, and some symmetry related transformations.
13797 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13799 2006-02-25 Roger Sayle <roger@eyesopen.com>
13801 PR middle-end/23673
13802 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13803 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13804 symmetry related transformations. Fold (X^C1) == C2 as
13807 2006-02-25 Juergen Weigert <jw@suse.de>
13808 Richard Guenther <rguenther@suse.de>
13810 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13812 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13814 * combine.c (gen_lowpart_or_truncate): Call
13815 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13817 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13819 * doc/invoke.texi: Move -fopenmp description to "Options for
13821 Remove reference to -lgomp.
13823 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13825 * doc/install.texi: Require GNU tar version 1.14.
13827 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13829 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13830 * doc/invoke.texi (C++ Dialect Options): Document
13831 -fno-use-cxa-get-exception-ptr.
13832 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13833 * configure: Regenerate.
13834 * c.opt (fuse-cxa-get-exception-ptr): New.
13835 * c-opts.c (c_common_handle_option): Handle
13836 OPT_fuse_cxa_get_exception_ptr.
13837 * c-common.c (flag_use_cxa_atexit): Update documentation.
13838 (flag_use_cxa_get_exception_ptr): New.
13839 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13840 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13842 (C_COMMON_OVERRIDE_OPTIONS): New.
13844 2006-02-24 Roger Sayle <roger@eyesopen.com>
13846 PR middle-end/24952
13847 * combine.c (try_combine): Explicitly check whether GET_CODE is
13848 a SET or a CLOBBER, instead on checking that it isn't a USE.
13850 2006-02-24 Roger Sayle <roger@eyesopen.com>
13852 * fold-const.c (fold_comparison): New subroutine of fold_binary
13853 containing transformations common to both the equality and
13854 ordering relational operators, factored out of fold_binary.
13855 (fold_binary): Separate out the equality operators (EQ_EXPR
13856 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13857 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13858 transformations common to both.
13859 (fold_div_compare): Fix latent bugs in the previously unreachable
13860 LT_EXPR and GE_EXPR cases.
13862 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13864 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13865 decl libname for clog to __clog on AIX.
13867 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13869 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13872 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13873 output traceback table for thunks. Localise rs6000_stack_info call.
13875 2006-02-23 Roger Sayle <roger@eyesopen.com>
13876 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13878 * gthr-posix.h (__gthrw): Fix typo in comment.
13880 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13882 * doc/cpp.texi (Character sets): Document that we do support
13883 input files to be in any character set.
13885 2006-02-23 Jeff Law <law@redhat.com>
13887 * tree.h (PHI_ARG_NONZERO): Remove.
13888 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13889 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13890 node to the new node.
13892 PR tree-optimization/26425
13893 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13894 min/max, then assume its varying.
13896 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13898 PR rtl-optimization/26316
13899 * rtlanal.c (enum may_trap_p_flags): New.
13900 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13901 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13902 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13903 (may_trap_after_code_motion_p): New function.
13904 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13905 (find_invariant_insn): Use may_trap_after_code_motion_p.
13906 * rtl.h (may_trap_after_code_motion_p): Declare.
13908 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13910 * emit-rtl.c (immed_double_const): Cleanup.
13912 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13914 Fix PR tree-optimization/26376
13915 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13918 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13920 PR middle-end/26412
13921 * gimplify.c (omp_add_variable): Guard variable size decl test with
13922 DECL_SIZE (decl) check.
13924 2006-02-23 Richard Guenther <rguenther@suse.de>
13926 PR middle-end/26439
13927 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13928 like aggregate types.
13930 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13932 * configure.ac: Add --with{,out}-long-double-128 configure option.
13933 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13934 * configure: Rebuilt.
13935 * config.in: Rebuilt.
13936 * doc/install.texi (Options specification): Document
13937 --with-long-double-128.
13939 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13940 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13941 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13942 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13944 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13946 * config/s390/s390.c (override_options): Handle
13947 TARGET_DEFAULT_LONG_DOUBLE_128.
13949 * config/alpha/alpha.c (override_options): Handle
13950 TARGET_DEFAULT_LONG_DOUBLE_128.
13952 * config/sparc/sparc.c (sparc_override_options): Handle
13953 TARGET_DEFAULT_LONG_DOUBLE_128.
13955 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13957 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13958 (real-install-headers-tar, real-install-headers-cpio)
13959 (real-install-headers-cp): New targets.
13961 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13963 * tree.h (variable_section): Delete.
13964 * varasm.c (variable_section): Delete.
13966 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13968 * install.texi: Add notes on install.texi2html.
13969 (Building in parallel): Do not use footnotes.
13971 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13974 * doc/install.texi (Configuration): Document --disable-libgomp.
13976 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13978 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13980 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13982 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13983 (vec_extractv2df_0_sse): New.
13985 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13987 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13988 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13989 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13990 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13991 to the result of the expression.
13992 (def_cfa_1): Adjust.
13993 (frame_pointer_cfa_offset): Rename to...
13994 (frame_pointer_fb_offset): ... this. Adjust all uses.
13995 (convert_cfa_to_loc_list): Rename to...
13996 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13997 Pass it on to build_cfa_loc.
13998 (compute_frame_pointer_to_cfa_displacement): Rename to...
13999 (compute_frame_pointer_to_fb_displacement): ... this. New
14000 offset parameter. Use it in computation.
14001 (gen_subprogram_die): Compute cfa_fb_offset with the new
14002 macro, and use it to compute the fb loc list and the
14005 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14007 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14008 replaced with register_operand.
14009 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14010 non-DREG is expensive.
14011 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14012 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14015 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14017 * doc/install.texi2html: Use set -e.
14019 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14021 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14022 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14023 * doc/invoke.texi (-fshared-data): Delete.
14024 * common.opt (fshared-data): Delete.
14025 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14026 (assemble_static_space): Remove #if 0 code.
14027 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14028 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14029 * config/cris/cris.h: Remove FIXME.
14031 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14033 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14036 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14038 PR middle-end/26379
14039 * combine.c (simplify_shift_const_1): Disable nested shifts
14040 optimization for vector shifts.
14042 2006-02-20 Roger Sayle <roger@eyesopen.com>
14044 PR tree-optimization/26361
14045 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14046 of unsigned integer types.
14048 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14050 * tree-chrec.c (eq_evolutions_p): New.
14051 * tree-chrec.h (eq_evolutions_p): Declared.
14052 * tree-data-ref.c: Fix formatting.
14053 (datadep_stats, dependence_stats): New.
14055 (print_direction_vector): New.
14056 (dump_data_dependence_relation): Use print_direction_vector.
14057 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14058 (compute_subscript_distance): Static.
14059 (initialize_data_dependence_relation): Static. Get the number
14060 of loops surrounding the references from the callers, and initialize
14061 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14062 base_object_differ_p analyzers.
14063 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14064 compute_overlap_steps_for_affine_1_2,
14065 analyze_subscript_affine_affine): Count the classified dependences.
14066 Print a message when a test failed.
14067 (can_use_analyze_subscript_affine_affine): New.
14068 (analyze_siv_subscript): Compute the data dependences on symbolic
14069 scevs that verify can_use_analyze_subscript_affine_affine.
14070 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14071 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14072 Handle symbolic scevs.
14073 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14075 (subscript_dependence_tester): Moved...
14076 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14077 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14078 DDR_SIZE_VECT instead of getting it in parameter.
14079 (subscript_dependence_tester): ... here. Take as a parameter
14080 loop_nest_depth. Call build_classic_dist_vector and
14081 build_classic_dir_vector.
14082 (compute_affine_dependence): Update subscript_dependence_tester
14083 parameters. Update datadep_stats counters. Call
14084 compute_subscript_distance.
14085 (compute_self_dependence): Save the dist and dir vectors. Call
14086 compute_subscript_distance.
14087 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14088 (compute_all_dependences): Reorder parameters as they were before
14089 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14090 compute_subscript_distance. Update the use of
14091 compute_affine_dependence and initialize_data_dependence_relation.
14092 (find_data_references_in_loop): Handle COMPONENT_REF.
14093 (compute_data_dependences_for_loop): Initialize dependence_stats.
14094 Don't call build_classic_dist_vector and build_classic_dir_vector.
14095 Update the parameters of initialize_data_dependence_relation and
14096 compute_all_dependences. Print the statistics from datadep_stats.
14097 (analyze_all_data_dependences): Static. Not used until the pass for
14098 checking the data dependences is contributed.
14099 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14100 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14101 (initialize_data_dependence_relation, compute_affine_dependence,
14102 analyze_all_data_dependences, compute_subscript_distance): Removed.
14103 (print_direction_vector): New.
14104 * lambda.h (gcd): ... here.
14105 (lambda_vector_gcd): Moved here from gcd_vector.
14106 * lambda-code.c (gcd, gcd_vector): Removed.
14107 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14108 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14110 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14112 * ipa-type-escape.c: Tidy some comments and white space.
14113 * tree-ssa-operands.c: Likewise.
14115 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14118 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14119 (dump_decl_name): Do not walk the decl tree chains.
14120 * tree-pass.h (TDF_CHAIN): Remove.
14122 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14124 * Makefile.in (C): Remove
14126 (.PHONY): Remove C and PROTO
14128 2006-02-20 Roger Sayle <roger@eyesopen.com>
14130 PR middle-end/26236
14131 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14132 deprecated CHAR_TYPE tree code.
14134 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14136 * configure.ac (target_list): Add install-info, dvi, html.
14137 * configure: Regenerate.
14139 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14140 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14141 treelang/Make-lang.in: Do not use double-colon rules.
14143 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14145 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14146 (TMT_USED_ALONE): New macro.
14147 * tree-pass.h (PROP_tmt_usage): New property.
14148 (TODO_update_tmt_usage): New todo.
14149 * tree-ssa-alias.c (updating_used_alone): New variable.
14150 (recalculate_used_alone): New function.
14151 (compute_may_aliases): Set updating_used_alone, call
14152 recalculate_used_alone.
14153 * tree-sra.c (pass_sra): Note that this pass destroys
14154 PROP_tmt_usage, and add TODO_update_tmt_usage.
14155 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14156 * tree-flow.h (updating_used_alone): Prototype.
14157 (recalculate_used_alone): Ditto.
14158 * passes.c (execute_todo): Add code to set updating_used_alone,
14159 and call recalculate.
14160 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14161 for clobber if used alone, and add assert to verify used_alone
14164 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14166 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14167 for non tls symbols added.
14168 (legitimize_address): Do nothing for PLUS expressions if one of the
14169 addends is a tls symbol reference.
14171 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14175 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14177 * Makefile.in (BOOTSTRAPPING): New.
14178 (quickstrap): New definition if BOOTSTRAPPING=yes.
14180 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14181 * configure.ac: Substitute all_selected_languages with the languages
14182 that were configured. For all the other variables except
14183 lang_specs_files, include all the languages in the tree.
14184 * configure: Regenerate.
14186 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14187 if there is one. Run the commands to run fixincludes in the same
14190 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14191 * doc/install.texi: Document exact conventions for searching target tools.
14192 Document --with-build-time-tools. Document toplevel bootstrap. Document
14193 something more about building an Ada cross-compiler. Don't list GNU Make
14194 requirements which affect all platforms.
14196 2006-02-19 Roger Sayle <roger@eyesopen.com>
14198 PR middle-end/19543
14199 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14200 only equivalent if the have both the same mode and precision.
14202 2006-02-20 Ben Elliston <bje@au.ibm.com>
14204 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14206 2006-02-19 Roger Sayle <roger@eyesopen.com>
14207 Steven Bosscher <stevenb.gcc@gmail.com>
14209 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14210 constant pool references to identify stack mode constants.
14211 * rtlanal.c (constant_pool_constant_p): New predicate to check
14212 whether operand is a floating point constant in the pool.
14213 * rtl.h (constant_pool_constant_p): Prototype here.
14214 * loop.c (scan_loop): Avoid hoisting constants from the constant
14215 pool on STACK_REGS targets.
14216 (load_mems): Likewise.
14217 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14218 loads into x87 registers expensive in terms of register pressure.
14220 2006-02-19 Roger Sayle <roger@eyesopen.com>
14222 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14223 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14225 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14227 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14228 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14230 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14232 * doc/invoke.texi: Document -fipa-pta.
14233 * common.opt: Add ipa-pta option.
14234 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14235 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14236 (do_ds_constraint): Ditto.
14237 (get_constraint_for): Only add to referenced_vars if
14238 referenced_vars exists.
14239 (insert_into_field_list): Rewrite to do this unsorted.
14240 (insert_into_field_list_sorted): Rename old insert_into_field_list
14242 (create_function_info_for): Use insert_into_field_list_sorted.
14243 (create_variable_info_for): Rewrite so it uses unsorted version,
14244 since the field list is sorted.
14245 (intra_create_variable_infos): Only add to referenced_vars if
14246 referenced_vars exists.
14247 (ipa_pta_execute): Init heapvars, and delete when done.
14248 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14250 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14252 * doc/install.texi: Add missing `@samp'.
14254 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14256 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14259 2006-02-18 Mark Wielaard <mark@klomp.org>
14261 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14262 who added new 4.1 features, bug fixes and integration support.
14264 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14267 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14268 MEM for ABI_V4 pic.
14270 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14272 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14273 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14274 (copy_insn_1): Likewise. Don't copy each field individually.
14276 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14278 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14279 * rtl.c (rtx_size): Rename variable to...
14280 (rtx_code_size): ...this.
14281 (rtx_size): New function.
14282 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14283 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14285 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14286 * rtl.h (rtx_code_size): New variable.
14287 (rtx_size): Change from a variable to a function.
14288 (RTX_SIZE): Rename to...
14289 (RTX_CODE_SIZE): ...this.
14292 PR tree-optimization/17106
14293 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14294 (Anchored Addresses): New section.
14295 * doc/invoke.texi (-fsection-anchors): Document.
14296 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14297 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14298 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14299 * hooks.c (hook_bool_mode_rtx_false): New function.
14300 * hooks.h (hook_bool_mode_rtx_false): Declare.
14301 * gengtype.c (create_optional_field): New function.
14302 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14303 SYMBOL_REF_IN_BLOCK_P is true.
14304 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14305 (min_anchor_offset, max_anchor_offset): Likewise.
14306 (use_anchors_for_symbol_p): New hook.
14307 * toplev.c (compile_file): Call output_object_blocks.
14308 (target_supports_section_anchors_p): New function.
14309 (process_options): Check that -fsection-anchors is only used on
14310 targets that support it and when -funit-at-a-time is in effect.
14311 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14312 if the decl doesn't have one.
14313 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14314 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14315 of force_const_mem through use_anchored_address.
14316 (expand_expr_constant): New function.
14317 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14318 calling expand_expr for INDIRECT_REF.
14319 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14320 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14321 * expr.h (use_anchored_address): Declare.
14322 * loop-unroll.c: Don't declare rtx vectors here.
14323 * explow.c: Include output.h.
14324 (validize_mem): Call use_anchored_address.
14325 (use_anchored_address): New function.
14326 * common.opt (-fsection-anchors): New switch.
14327 * varasm.c (object_block_htab, anchor_labelno): New variables.
14328 (hash_section, object_block_entry_eq, object_block_entry_hash)
14329 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14330 (use_blocks_for_decl_p, change_symbol_section): New functions.
14331 (get_variable_section): New function, split out from assemble_variable.
14332 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14333 use_blocks_for_decl_p say so. Use change_symbol_section if the
14334 symbol has already been created.
14335 (assemble_variable_contents): New function, split out from...
14336 (assemble_variable): ...here. Don't output any code for
14337 block symbols; just pass them to place_block_symbol.
14338 Use get_variable_section and assemble_variable_contents.
14339 (get_constant_alignment, get_constant_section, get_constant_size): New
14340 functions, split from output_constant_def_contents.
14341 (build_constant_desc): Create a block symbol if use_object_blocks_p
14342 says so. Or into SYMBOL_REF_FLAGS.
14343 (assemble_constant_contents): New function, split from...
14344 (output_constant_def_contents): ...here. Don't output any code
14345 for block symbols; just pass them to place_section_symbol.
14346 Use get_constant_section and get_constant_alignment.
14347 (force_const_mem): Create a block symbol if use_object_blocks_p and
14348 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14349 (output_constant_pool_1): Add an explicit alignment argument.
14350 Don't switch sections here.
14351 (output_constant_pool): Adjust call to output_constant_pool_1.
14352 Switch sections here instead. Don't output anything for block symbols;
14353 just pass them to place_block_symbol.
14354 (init_varasm_once): Initialize object_block_htab.
14355 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14356 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14357 (place_block_symbol, get_section_anchor, output_object_block)
14358 (output_object_block_htab, output_object_blocks): New functions.
14359 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14360 (TARGET_ASM_OUT): Include it.
14361 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14362 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14363 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14364 (TARGET_INITIALIZER): Include them.
14365 * rtl.c (rtl_check_failed_block_symbol): New function.
14366 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14367 (block_symbol, object_block): New structures.
14368 (rtx_def): Add a block_symbol field to the union.
14369 (BLOCK_SYMBOL_CHECK): New macro.
14370 (rtl_check_failed_block_symbol): Declare.
14371 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14372 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14373 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14374 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14375 * output.h (output_section_symbols): Declare.
14376 (object_block): Name structure.
14377 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14378 (default_use_anchors_for_symbol_p): Declare.
14379 * Makefile.in (RTL_BASE_H): Add vec.h.
14380 (explow.o): Depend on output.h.
14381 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14382 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14383 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14384 (rs6000_use_blocks_for_constant_p): New function.
14386 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14388 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14390 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14393 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14396 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14398 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14402 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14404 PR middle-end/26334
14405 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14406 instead of DECL_REGISTER.
14408 2006-02-18 Olivier Hainque <hainque@adacore.com>
14411 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14413 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14416 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14417 * opth-gen.awk: Handle Var and InverseMask together.
14418 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14419 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14420 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14421 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14423 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14424 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14425 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14426 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14427 LINUX_DYNAMIC_LINKER): Define.
14428 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14429 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14431 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14432 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14433 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14434 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14435 (TARGET_C99_FUNCTIONS): Don't define.
14436 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14437 GLIBC_DYNAMIC_LINKER.
14438 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14439 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14440 GLIBC_DYNAMIC_LINKER64): Define.
14441 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14442 LINUX_DYNAMIC_LINKER64.
14443 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14444 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14445 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14446 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14447 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14448 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14449 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14450 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14451 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14452 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14453 and LINUX_DYNAMIC_LINKER32.
14454 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14455 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14456 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14457 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14458 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14460 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14461 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14462 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14463 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14464 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14465 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14466 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14467 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14468 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14469 LINUX_DYNAMIC_LINKER): Define.
14470 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14471 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14472 GLIBC_DYNAMIC_LINKER64): Define.
14473 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14474 LINUX_DYNAMIC_LINKER64.
14475 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14476 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14477 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14478 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14479 LINUX_DYNAMIC_LINKER): Define.
14480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14481 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14482 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14483 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14484 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14485 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14486 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14487 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14488 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14489 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14491 * doc/invoke.texi (-muclibc): Remove caveat about supported
14494 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14496 * doc/cpp.texi (__TIMESTAMP__): Document.
14498 2006-02-17 Roger Sayle <roger@eyesopen.com>
14500 PR middle-end/25600
14501 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14502 C is one less than the width of X (and related transformations).
14503 * simplify-rtx.c (simplify_unary_operation_1): Transform
14504 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14505 depending on STORE_FLAG_VALUE, were C is one less then the
14508 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14510 Fix PR tree-optimization/26341
14511 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14512 about NAME_MEMORY_TAG's.
14514 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14517 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14518 with hardware float support, and software float support. Add fcpy
14519 alternative to hardware patterns. Add alternatives to copy between
14520 general and floating-point registers to the 32-bit pattern.
14521 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14522 secondary reload to load a QI or HI mode constant into a floating
14524 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14525 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14527 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14530 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14532 (load_macho_picbase_di): Likewise.
14534 2006-02-16 Jeff Law <law@redhat.com>
14536 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14537 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14538 (ssa_name_nonzero_p): Likewise.
14539 (get_value_range): Return NULL if VRP is not running.
14540 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14541 VRP routines do not discover a range.
14542 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14543 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14544 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14545 (tree_expr_nonnegative_p): Similarly.
14546 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14547 (restore_nonzero_vars_to_original_value): Remove.
14548 (unsafe_associative_fp_binop): Remove.
14549 (tree_ssa_dominator_optimize): Remove initialization and
14550 finalization of nonzero_vars and nonzero_vars_stack.
14551 (dom_opt_initialize_block): No longer push marker on
14552 nonzero_vars_stack.
14553 (dom_opt_finalize_block): No longer call
14554 restore_nonzero_vars_to_original_value.
14555 (record_equivalences_from_phis): No longer look for
14556 nonzero PHI arguments.
14557 (cprop_into_successor_phis): No longer propagate nonzero
14558 property into PHI arguments. Lose unused argument. Caller
14560 (record_equivalences_from_stmt): No longer record nonzero
14561 values for SSA_NAMEs.
14562 (lookup_avail_expr): No longer use nonzero_vars.
14564 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14565 for sizetype when sizetype is unsigned.
14567 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14569 PR rtl-optimization/25603
14570 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14571 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14572 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14573 with new meaning of SETS.
14575 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14580 * config/linux.opt: New file.
14581 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14582 LINUX_DYNAMIC_LINKER): Define.
14583 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14584 * config.gcc (*-*-linux*): Define extra_options.
14585 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14586 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14587 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14588 GLIBC_DYNAMIC_LINKER.
14589 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14590 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14591 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14593 * doc/invoke.texi (GNU/Linux Options): New section.
14595 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14597 * config/sparc/sparc.md (setjmp): Rewrite.
14598 (setjmp_32): Delete.
14599 (setjmp_64): Likewise.
14601 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14603 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14606 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14608 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14611 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14613 PR rtl-optimization/26296
14614 * Makefile.in (loop-invariant.c): Add except.h dependency.
14615 * loop-invariant.c: Include except.h.
14616 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14618 2005-02-16 Paul Brook <paul@codesourcery.com>
14620 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14623 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14625 PR rtl-optimization/25636
14626 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14627 when deciding whether an insn is an initializing insn.
14629 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14631 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14632 (tree_code_size): Ditto.
14633 * tree.h (struct tree_memory_tag): Remove parent_var.
14634 (struct tree_struct_field_tag): New.
14637 (union tree_node): Add sft member.
14638 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14640 (create_sft): Add size and offset argument, set SFT_OFFSET and
14642 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14643 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14644 * tree-flow-inline.h (get_subvar_at): Update for
14645 SFT_OFFSET/SFT_SIZE.
14646 (var_can_have_subvars): Ditto.
14647 (overlap_subvar): Ditto.
14648 * print-tree.c (print_node): Print out interesting things for
14650 * tree-flow.h (struct subvar): Remove offset and size members.
14651 * tree-ssa-operands.c (get_expr_operands): Update for
14652 get_indirect_ref_operands changes.
14653 (get_indirect_ref_operands): Call add_virtual_operand instead of
14654 add_stmt_operand. Only recurse on base var if requested.
14655 (access_can_touch_variable): New function.
14656 (add_stmt_operand): Split virtual operand handling into ...
14657 (add_virtual_operand): Here. Add offset, size, and for_clobber
14658 arguments. Prune alias sets.
14659 (add_call_clobber_ops): Call add_virtual_operand.
14661 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14663 PR middle-end/26300
14664 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14666 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14667 than TREE_CODE as index into omp_clause_num_ops array.
14669 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14671 PR rtl-optimization/26184
14672 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14674 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14675 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14676 must_precede, must_follow and tobe_scheduled.
14679 * opts.c (common_handle_option): Free new_option pointer.
14680 * df-core.c (df_analyze): Free postorder pointer.
14682 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14684 * Makefile.in: Fix the examples about the use of stamps
14686 2006-02-15 Michael Matz <matz@suse.de>
14688 PR middle-end/22275
14690 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14691 influenced by maximum_field_alignment or DECL_PACKED.
14692 (update_alignment_for_field): Ditto.
14693 (place_field): Ditto.
14694 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14697 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14699 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14700 (debug_flow_info): Pass it.
14701 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14702 * bb-reorder.c (reorder_basic_blocks): Likewise.
14703 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14704 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14705 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14706 * gcse.c (gcse_main, bypass_jumps): Likewise.
14707 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14708 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14709 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14710 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14711 * rtl.h (dump_flow_info): Adjust prototype.
14712 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14713 * var-tracking.c (variable_tracking_main): Likewise.
14714 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14715 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14718 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14720 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14723 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14725 PR tree-optimization/26209
14726 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14727 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14729 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14731 2006-02-14 Roger Sayle <roger@eyesopen.com>
14733 PR middle-end/23670
14734 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14735 (X,Y) and the corresponding symmetry related transformations.
14736 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14737 (X,Y) and its symmetry related transformations.
14739 2006-02-14 Roger Sayle <roger@eyesopen.com>
14741 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14744 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14746 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14748 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14751 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14752 support COMDAT group.
14753 * configure: Regenerate.
14755 2006-02-14 Roger Sayle <roger@eyesopen.com>
14757 PR middle-end/26279
14758 PR middle-end/26280
14759 PR middle-end/26283
14760 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14762 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14764 Fix PR tree-optimization/26260
14766 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14768 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14769 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14770 * tree-ssa-structalias.c (create_variable_info_for): Use
14771 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14773 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14775 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14777 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14778 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14779 of the ending condition.
14780 * tree-ssa-loop-manip.c: Include params.h.
14781 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14782 tree_unroll_loop): New functions.
14783 * tree-pass.h (pass_loop_prefetch): Declare.
14784 * loop.c (rest_of_handle_loop_optimize): Test for
14785 -fprefetch-loop-arrays-rtl.
14786 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14787 * timevar.def (TV_TREE_PREFETCH): New timevar.
14788 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14789 pass_loop_prefetch): New.
14790 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14791 (cleanup_tree_cfg_loop): Call scev_reset.
14792 * common.opt (fprefetch-loop-arrays-rtl): Add.
14793 * tree-ssa-loop-prefetch.c: New file.
14794 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14795 (new_temp_expr_table): Initialize expr_vars.
14796 (free_temp_expr_table): Cleanup expr_vars.
14797 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14798 expressions from being merged into one.
14799 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14800 (struct tree_niter_desc): Add control, bound and cmp fields.
14801 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14803 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14804 (tree-cfgcleanup.o): Add SCEV_H dependency.
14805 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14806 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14808 2006-02-14 Richard Guenther <rguenther@suse.de>
14810 PR tree-optimization/26258
14811 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14812 in PHI argument processing.
14814 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14816 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14817 new expression in the requested machine mode.
14819 2006-02-13 Roger Sayle <roger@eyesopen.com>
14821 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14822 directly, instead let do_compare_rtx_and_jump handle this for us.
14823 * expr.c (expand_expr_real_1): Likewise.
14824 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14825 before do_jump_by_parts_greater.
14826 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14827 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14829 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14831 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14833 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14835 PR rtl-optimization/26235
14836 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14837 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14840 2006-02-13 Jeff Law <law@redhat.com>
14842 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14845 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14847 PR middle-end/26092
14848 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14849 twice if decl is a builtin. When trying again, call get_callee_fndecl
14850 first to verify it is still a builtin.
14852 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14854 * dwarf2out.c (base_type_die): Don't add AT_name here.
14855 (subrange_type_die): Don't add AT_name here.
14856 (modified_type_die): Rearrange code flow. Do add AT_name here.
14858 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14860 PR rtl-optimization/26247
14861 PR rtl-optimization/26248
14862 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14864 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14866 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14867 * config/fixtfdi.c: Likewise.
14868 * config/fixunstfdi.c: Likewise.
14869 * config/floatditf.c: Likewise.
14871 2006-02-13 Roger Sayle <roger@eyesopen.com>
14873 PR middle-end/24427
14874 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14875 into (X,C2) if C1 is a subset of the bits of C2. Transform
14876 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14878 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14880 2006-02-13 Josh Conner <jconner@apple.com>
14883 * varasm.c (function_section): Check for section name before
14884 calling select_section on targets that define
14885 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14886 unlikely_text_section instead of hot_function_section if
14887 first_function_block_is_cold.
14889 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14891 PR middle-end/25335
14892 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14894 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14896 PR rtl-optimization/26222
14897 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14898 after tree->rtl expansion.
14899 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14900 before passing it to emit_move_insn.
14902 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14904 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14906 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14907 Clarify documentation.
14908 * c-common.h (warn_write_strings): Remove.
14909 * c-common.c (warn_write_strings): Likewise.
14910 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14913 2006-02-12 Roger Sayle <roger@eyesopen.com>
14915 PR middle-end/25724
14916 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14917 (do_jump_parts_zero_rtx): New function renamed from
14918 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14919 (do_jump_parts_equality_rtx): New function split out from
14920 do_jump_parts_equality. Old implementation renamed as above.
14921 Call do_jump_parts_zero_rtx if either operand is zero.
14922 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14923 do all of the heavy lifting.
14924 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14925 calling either do_jump_by_parts_greater_rtx or
14926 do_jump_by_parts_equality_rtx.
14927 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14928 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14929 moved to do_compare_rtx_and_jump, call it directly.
14930 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14931 mode argument. Call do_compare_rtx_and_jump.
14932 (emit_case_nodes): Update calls to do_jump_if_equal.
14934 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14936 PR rtl-optimization/26225
14937 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14939 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14941 PR rtl-optimization/26232
14942 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14944 2006-02-11 Jason Merrill <jason@redhat.com>
14947 * tree-inline.c (declare_return_variable): Just don't use the
14948 modify target if it's a gimple complex reg and the return slot
14951 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14953 * doc/contrib.texi: Update my entry.
14955 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14957 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14959 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14961 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14964 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14966 * doc/invoke.texi (-floop-optimize2): Removed.
14967 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14968 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14969 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14970 * common.opt (floop-optimize2): Removed.
14971 (fmove-loop-invariants): Enabled by default.
14973 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14975 * tree-if-conv.c (combine_blocks): Free the result of
14976 get_loop_exit_edges.
14978 2006-02-10 Jeff Law <law@redhat.com>
14980 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14982 PR tree-optimization/26213
14983 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14984 loop trying to follow SSA_NAME_VALUE chains.
14986 2006-02-10 Richard Guenther <rguenther@suse.de>
14988 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14989 deal with structures that end in implicitly variable sized arrays.
14991 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14993 PR rtl-optimization/24762
14994 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14997 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14999 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15000 (struct ivopts_data): Add regs_used field.
15001 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15002 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15003 instead of loop_data->regs_used;
15004 (free_loop_data): Do not free aux fields for loops.
15005 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15006 and tree_ssa_iv_optimize_finalize.
15008 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15010 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15012 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15015 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15016 computing the effective result type.
15018 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15020 PR inline-asm/16194
15021 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15022 (tree_overlaps_hard_reg_set): Declare.
15023 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15024 type and signature to match function type expected by walk_tree.
15025 (tree_overlaps_hard_reg_set): New function.
15026 (decl_conflicts_with_clobbers_p): Rename to:
15027 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15028 Use tree_overlaps_hard_reg_set. Changed caller.
15029 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15030 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15031 * cris.c (cris_md_asm_clobbers): Likewise.
15033 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15035 * reload1.c (emit_input_reload_insns): Delete code that tries to
15036 inherit using find_equiv_reg.
15038 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15040 * c-common.h (flag_const_strings): Don't declare.
15041 * c-common.c (flag_const_strings): Remove.
15042 * c.opt (fconst_strings): Remove.
15043 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15044 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15045 (c_common_init_options): Don't set flag_const_strings.
15046 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15048 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15050 * arm.md (tlobits_cbranch): New pattern.
15051 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15052 testing a single bit.
15054 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15057 * tree-ssa-pre.c (create_component_ref_by_pieces):
15058 Handle RETURN_DECL like VAR_DECL.
15060 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15062 PR middle-end/26134
15063 * fold-const.c (fold_indirect_ref_1): Fold
15064 "*(foo *)&complexfoo" to "__real__ complexfoo"
15065 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15067 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15069 * tree-flow-inline.h (var_can_have_subvars):
15070 Volatile variables should not have subvariables.
15072 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15075 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15076 multiplying unsigned values.
15079 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15081 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15083 2006-02-08 Jason Merrill <jason@redhat.com>
15086 * tree.def: Elaborate on difference from MODIFY_EXPR.
15087 * doc/c-tree.texi (INIT_EXPR): Likewise.
15088 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15089 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15090 (gimplify_target_expr): Likewise.
15091 (gimplify_cond_expr): Remove target handling.
15092 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15093 (gimplify_expr): Clobber it here.
15094 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15095 Do return slot optimization if we have an INIT_EXPR.
15098 * tree-inline.c (declare_return_variable): Also clear
15099 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15102 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15104 PR middle-end/22439
15105 * gimplify.c (gimplify_one_sizepos): Fix typo.
15107 2006-02-08 Jeff Law <law@redhat.com>
15109 PR tree-optimization/21417
15110 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15111 across a backedge if the control statement at the end of the
15112 block is data dependent on other statements in the same block.
15113 (record_temporary_equivalences_from_stmts): Remove over-conservative
15114 test for threading across backedges.
15116 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15117 control statement, handle all three special cases in the same
15118 manner as they all have the same desired solution. No longer
15119 special case edge flag updating when the post dominator is
15122 2006-02-08 Roger Sayle <roger@eyesopen.com>
15124 * tree.def (CHAR_TYPE): Remove.
15125 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15126 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15127 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15128 (gen_string_type_die): Delete unreachable function.
15130 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15131 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15132 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15133 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15134 * builtins.c (type_to_class): Likewise.
15135 * fold-const.c (fold_convert, build_range_check,
15136 merge_ranges): Likewise.
15137 * expr.c (count_type_elements): Likewise.
15138 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15139 * stor-layout.c (layout_type): Likewise.
15140 * ipa-type-escape.c (type_to_consider): Likewise.
15141 * gimplify.c (omp_firstprivatize_type_sizes,
15142 gimplify_type_sizes): Likewise.
15143 * explow.c (promote_mode): Likewise.
15144 * tree-sra.c (is_sra_scalar_type): Likewise.
15145 * varasm.c (output_constant): Likewise.
15146 * tree-inline.c (remap_type_1): Likewise.
15147 * convert.c (convert_to_pointer, convert_to_real,
15148 convert_to_integer, convert_to_complex): Likewise.
15150 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15152 * df-scan.c (df_def_record_1): A set destination may
15153 be a parallel regardless of mode.
15155 2006-02-08 Roger Sayle <roger@eyesopen.com>
15158 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15159 * config/mips/_tilib.c: Remove.
15160 * config/fixtfdi.c: New libgcc source file.
15161 * config/fixunstfdi.c: New source file.
15162 * config/floatditf.c: New source file.
15163 * config/floatunditf.c: New souce file.
15164 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15165 files above instead of config/mips/_tilib.c.
15166 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15168 2006-02-08 Jeff Law <law@redhat.com>
15170 PR tree-optimization/26169
15171 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15174 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15176 * df.h (DF_REG_SIZE): Return the length of the initialized
15179 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15181 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15182 __muldf3): Return a correctly signed zero.
15184 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15186 * passes.c (register_one_dump_file): Accept the current properties
15187 instead of pass number. Adjust call to dump_register. Remove
15189 (register_dump_files): Now a wrapper around...
15190 (register_dump_files_1): ... this one. Do not modify the pass
15192 (next_pass_1): Cosmetic fix.
15193 (execute_todo): Keep second parameter only. Use curr_properties
15194 instead of fetching it from the pass structure. Check and set
15196 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15197 instead of fetching it from the pass structure. Fix calls to
15198 execute_todo. Update curr_properties and initialize .vcg RTL dump
15199 after running the pass. Reset last_verified.
15200 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15202 (FIRST_AUTO_NUMBERED_DUMP): New.
15203 (dump_register): Remove "num" parameter, assign it within the
15205 (get_dump_file_name): Modify template for dumps.
15206 * tree-dump.h (dump_register): Adjust prototype.
15207 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15208 (PROP_trees): Add PROP_gimple_lomp.
15209 (TODO_set_props): New.
15210 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15211 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15212 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15214 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15216 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15217 (sparc64-*-linux*): Likewise.
15218 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15219 * config/sparc/t-linux: New file.
15220 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15221 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15222 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15223 -m32 -mlong-double-128.
15225 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15226 * config/alpha/t-linux: New file.
15227 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15229 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15230 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15231 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15232 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15233 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15234 (CPP_ARCH32_SPEC): Remove.
15236 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15238 PR tree-optimization/26145
15239 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15242 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15245 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15246 >= 240000 when generating code for SOM runtime.
15247 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15248 to $$dyncall when generating code for SOM runtime..
15250 2006-02-07 Dirk Mueller <dmueller@suse.com>
15253 * doc/invoke.texi (-Wsequence-point): Update documentation
15254 that -Wsequence-point is implemented for C++ as well.
15256 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15258 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15259 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15260 (LIB_SPEC): Likewise.
15261 * doc/invoke.texi (SPARC options): Document -pthread.
15263 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15265 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15268 2006-02-07 Roger Sayle <roger@eyesopen.com>
15270 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15271 Correct comment describing BOOLEAN_TYPE.
15273 2006-02-07 Dirk Mueller <dmueller@suse.com>
15275 * c.opt: C++ frontend supports -Wdiv-by-zero.
15276 * c-opts.c (c_common_handle_option): Remove dead case.
15278 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15280 * configure.ac (TLS assembler check): Do not enable TLS by
15281 default on SPARC/Solaris before version 10.
15282 * configure: Regenerate.
15284 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15286 * doc/invoke.texi (xl-compat): Document conversion and support
15289 2006-02-07 Jeff Law <law@redhat.com>
15291 * tree-vrp.c (find_conditional_asserts): Update comments.
15292 (simplify_stmt_for_jump_threading): New.
15293 (identify_jump_threads, finalize_jump_threads): New.
15294 (vrp_finalize): Call identify_jump_threads.
15295 (execute_vrp): Call finalize_jump_threads.
15296 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15297 (vrp_element, vrp_data, vrp_element_p): Remove.
15298 (vrp_hash_elt, vrp_variables_stack): Remove.
15299 (vrp_hash, vrp_eq, record_range): Remove.
15300 (simplify_cond_and_lookup_avail_expr): Remove.
15301 (extract_range_from_cond): Remove.
15302 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15303 (simplify_stmt_for_jump_threading): New.
15304 (dom_thread_across_edge): New wrapper.
15305 (tree_ssa_dominator_optimize): No longer initialize or
15306 finalize any of the VRP datastructures. Remove iteration
15307 step and simplify as a result of removal of iteration step.
15308 (pass_dominator): Perform a cfg cleanup after DOM.
15309 (dom_opt_finalize_block): Use the new common routines
15310 for threading jumps. Simplify stack management slightly.
15311 No longer need to unwind VRP state.
15312 (record_equivalences_from_incoming_edge): No longer record
15314 (eliminate_redundant_computations): No longer call
15315 simplify_cond_and_lookup_avail_expr.
15316 * tree-flow.h (potentially_threadable_block): Prototype.
15317 (thread_across_edge): Likewise.
15318 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15319 (tree-ssa-threadedge.o): Add dependencies.
15320 * tree-ssa-threadedge.c: New file.
15321 * passes.c (init_optimization_passes): Merge PHIs before
15322 calling VRP. Run VRP again late in the SSA optimization pipeline.
15324 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15326 * df-core.c (df_set_blocks): Do not dereference function pointers.
15327 (df_finish1): Likewise.
15328 (df_hybrid_search_forward): Likewise.
15329 (df_hybrid_search_backward): Likewise.
15330 (df_iterative_dataflow): Likewise.
15331 (df_analyze_problem): Likewise.
15332 (df_compact_blocks): Likewise.
15333 (df_dump): Likewise.
15334 * df-scan.c (df_rescan_blocks): Likewise.
15335 (df_record_entry_block_defs): Likewise.
15337 * genconditions.c (write_conditions): Guard the definition of
15338 'insn_conditions' with the check on GCC version.
15339 (write_writer): Guard the traversal 'insn_conditions' with
15340 the check on GCC version.
15342 2006-02-07 Richard Guenther <rguenther@suse.de>
15346 2006-01-30 Richard Guenther <rguenther@suse.de>
15348 * gimplify.c (gimplify_target_expr): Handle easy cases
15349 without creating a temporary.
15351 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15353 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15354 use of float in probability computations. Use edge probabilities
15355 in place of statically computed probabilities.
15356 (min_spec_prob): New static variable.
15357 (schedule_insns): Initialize it.
15358 (GET_SRC_PROB): Removed.
15359 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15361 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15364 * config/ia64/unwind-ia64.c: Revert last change.
15365 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15366 (INCOMING_FRAME_SP_OFFSET): Define.
15368 2006-02-06 Roger Sayle <roger@eyesopen.com>
15370 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15372 2006-02-07 Ben Elliston <bje@au.ibm.com>
15374 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15375 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15376 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15377 (ix86_return_in_memory): Handle TDmode.
15378 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15379 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15381 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15383 * reorg.c (dbr_schedule): Use dump_file instead of file.
15385 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15388 * config/ia64/predicates.md (extr_len_operand): New predicate.
15389 * config/ia64/ia64.md (extv): Tighten constraints.
15391 (*tbit_and_2): Ditto.
15392 (*tbit_and_3): Ditto.
15393 (*tbit_or_2): Ditto.
15394 (*tbit_or_3): Ditto.
15395 (*bit_zero): Ditto.
15398 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15401 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15403 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15405 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15406 loop_optimizer_init and loop_optimizer_finalize
15407 * tree-ssa-sink.c (execute_sink_code): Ditto.
15408 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15409 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15410 tree_ssa_loop_done): Ditto.
15411 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15412 * sched-ebb.c: Include output.h.
15413 (schedule_ebbs): Do not use dump argument.
15414 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15415 * loop.c (loop_dump_stream): Removed.
15416 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15418 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15419 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15420 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15421 loop_iterations, strength_reduce, record_biv, record_giv,
15422 final_giv_value, check_final_value, check_ext_dependent_givs,
15423 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15424 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15425 dump_file instead of loop_dump_stream.
15426 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15427 argument dump_file.
15428 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15430 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15431 * haifa-sched.c: Include output.h
15432 (schedule_insns, sched_init): Do not use dump argument.
15433 * mode-switching.c (optimize_mode_switching): Ditto.
15434 * modulo-sched.c (stats_file): Removed.
15435 (print_node_sched_params): Do not call argument dump_file.
15436 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15437 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15439 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15441 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15442 rtl_loop_init, rtl_loop_done): Ditto.
15443 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15444 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15446 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15447 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15448 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15449 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15450 * emit-rtl.c (renumber_insns): Ditto.
15451 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15452 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15453 * regclass.c (regclass): Ditto.
15454 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15455 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15456 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15457 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15459 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15460 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15462 * gcse.c (gcse_file, debug_stderr): Removed.
15463 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15464 rest_of_handle_gcse): Do not use dump argument.
15465 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15466 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15467 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15468 compute_code_hoist_vbeinout, compute_code_hoist_data,
15469 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15470 compute_store_table, build_store_vectors, insert_insn_start_bb,
15471 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15472 store_motion): Use dump_file instead of gcse_file.
15473 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15474 * profile.c (profile_dump_file): Removed.
15475 (branch_prob): Use dump_file instead of profile_dump_file.
15476 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15478 * tree-ssa-copy.c (dump_copy_of): Ditto.
15479 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15480 dump file to life_analysis.
15481 * bt-load.c (branch_target_load_optimize): Ditto.
15482 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15484 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15485 regclass, dbr_schedule): Declaration changed.
15486 * sched-int.h (sched_init): Declaration changed.
15487 * tree-profile.c (tree_profile_dump_file): Removed.
15488 (tree_profile_hooks): Removed profile_dump_file hook.
15489 * rtl-profile (rtl_profile_dump_file): Removed.
15490 (rtl_profile_hooks): emoved profile_dump_file hook.
15491 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15493 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15494 * tree-cfg.c (build_tree_cfg): Ditto.
15495 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15496 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15497 Declaration changed.
15498 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15499 life_analysis and schedule_insns.
15500 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15502 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15504 * config/mips/mips.c (mips_reorg): Ditto.
15505 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15508 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15510 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15511 (s390_mangle_fundamental_type): New.
15512 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15515 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15516 (alpha_mangle_fundamental_type): New.
15517 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15520 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15522 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15524 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15525 (sparc_mangle_fundamental_type): New.
15527 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15529 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15530 (s390x-*-linux*): Likewise.
15531 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15532 * config/s390/t-linux: New file.
15534 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15536 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15537 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15539 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15541 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15542 (ANTIC_SAFE_LOADS): New macro.
15543 (find_or_generate_expression): Add prototype.
15544 (set_contains_value): Allow null set for sake of not always having
15545 to allocate ANTIC_SAFE_LOADS.
15546 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15547 Allow COMPONENT_REF too.
15548 (valid_in_set): Allow COMPONENT_REF.
15549 Check ANTIC_SAFE_LOADS too.
15550 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15551 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15553 (can_PRE_operation): Add COMPONENT_REF.
15554 (create_component_ref_by_pieces): New function.
15555 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15556 (insert_aux): Move AGGREGATE_TYPE_P check here.
15557 (compute_avail): Set bb local stmt uids.
15558 (pass_pre): Use TODO_update_ssa_only_virtuals.
15560 2006-02-06 Ben Elliston <bje@au.ibm.com>
15562 * configure.ac: Unconditionally disable decimal float by default.
15563 * configure: Regenerate.
15565 2006-02-06 Ben Elliston <bje@au.ibm.com>
15567 * read-rtl.c (read_name): Terminate reading on EOF.
15569 2006-02-06 Ben Elliston <bje@au.ibm.com>
15571 * dfp.c (decimal_real_arithmetic): Change second argument type
15572 from int to enum tree_code. Do not always return true, but now
15573 return result of any call to decimal_do helper functions.
15574 * dfp.h (decimal_real_arithmetic): Update prototype.
15576 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15578 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15580 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15583 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15586 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15588 * tree-vrp.c (cfg_loops): Removed.
15589 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15590 Use current_loops instead of cfg_loops. Pass flags to
15591 loop_optimizer_init.
15592 * cfgloopmanip.c (fix_loop_structure): Update only available
15594 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15595 loop_optimizer_init.
15596 * modulo-sched.c (build_loops_structure): Removed.
15597 (sms_schedule): Use loop_optimizer_init.
15598 * loop-init.c (loop_optimizer_init): Use flags to determine
15599 which properties of loops to prepare.
15600 (rtl_loop_init): Pass flags to loop_optimizer_init.
15601 * tree-ssa-sink.c (execute_sink_code): Ditto.
15602 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15603 * tree-ssa-pre.c (init_pre): Ditto.
15604 * cfgloop.h (LOOPS_NORMAL): New.
15605 (loop_optimizer_init): Declaration changed.
15607 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15609 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15610 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15612 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15614 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15616 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15617 * pa/t-pa64: Delete quadlib.c rule.
15618 * pa/x-ada: Revert last change.
15619 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15621 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15623 PR rtl-optimization/26087
15624 * rtlanal.c (canonicalize_condition): Do not cross basic block
15627 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15630 * config/ia64/ia64.c: Include debug.h.
15631 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15632 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15633 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15634 (process_epilogue, process_set, process_for_unwind_directive):
15635 Output unwind info only if requested. Add CFA info if requested.
15636 Add new arguments as needed. Adjust callers.
15637 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15639 (DWARF2_FRAME_INFO): Define to zero.
15640 * config/ia64/unwind-ia64.c: Remove code that compensated for
15641 the CFA offset error fixed above.
15642 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15643 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15644 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15645 -funwind-tables and -fexceptions to enable frame info.
15646 (dwarf2out_frame_init): Define initial CFA even if
15647 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15648 DWARF2_UNWIND_INFO is nonzero, not just defined.
15649 (dwarf2out_frame_finish): Output non-EH call frame info only
15650 if DWARF2_FRAME_INFO is nonzero.
15651 (convert_cfa_to_loc_list,
15652 compute_frame_pointer_to_cfa_displacement): Define even if
15653 unwind info is not supported.
15654 (gen_subprogram_die): Use the above unconditionally. Remove
15655 legacy alternate code.
15656 * toplev.c (compile_file): Compile in call to
15657 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15658 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15660 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15661 Jakub Jelinek <jakub@redhat.com>
15663 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15664 IBM extended float format long double as "g" on powerpc*-linux.
15666 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15669 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15670 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15672 2006-02-03 Jason Merrill <jason@redhat.com>
15675 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15677 PR middle-end/25977
15678 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15679 on the return slot if it's an NRV.
15681 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15683 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15684 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15685 rewrite_use): Do not handle USE_OUTER.
15686 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15687 add_iv_outer_candidates, may_replace_final_value,
15688 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15689 (find_interesting_uses_op): Functionality of
15690 find_interesting_uses_outer_or_nonlin moved here.
15691 (find_interesting_uses_outside): Use find_interesting_uses_op.
15693 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15696 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15698 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15699 Ulrich Weigand <uweigand@de.ibm.com>
15702 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15703 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15704 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15705 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15707 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15708 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15709 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15710 Define secondary reloads for TFmode moves.
15711 (constant_modes): Add TFmode.
15712 (NR_C_MODES): Set to 8.
15713 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15715 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15716 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15717 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15718 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15719 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15720 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15721 (FPR mode macro): Add TFmode.
15722 (DSF mode macro): New.
15723 (<de>, <dee> mode attributes): Removed.
15724 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15725 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15726 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15727 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15728 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15729 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15730 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15731 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15732 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15733 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15734 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15735 "*negabs<mode>2", "sqrt<mode>2"):
15736 Changed <de> to <xde>. R constraint replaced by <Rf>.
15737 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15739 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15740 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15741 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15743 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15744 "extenddftf2", "extendsftf2"): New expanders.
15745 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15746 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15747 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15748 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15750 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15751 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15752 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15753 __floatditf): Add a GCC_4.1.0 symbol version tag.
15754 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15757 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15760 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15761 Use targetm.binds_local_p instead of TREE_PUBLIC.
15763 2006-02-02 Roger Sayle <roger@eyesopen.com>
15765 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15766 on INTEGER_TYPEs to indicate that it denotes a character type.
15767 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15768 signed_char_type_node, unsigned_char_type_node and char_type_node.
15769 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15770 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15771 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15773 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15774 Daniel Berlin <dberlin@dberlin.org>
15776 * tree-tailcall.c (arg_needs_copy_p): New function.
15777 (eliminate_tail_call): Use arg_needs_copy_p.
15778 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15779 (add_virtual_phis): New function.
15781 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15783 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15784 #ignore instead of #scratch for %g7 .register directive.
15786 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15788 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15791 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15793 * flow.c (calculate_global_regs_live): Assert that there aren't any
15796 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15798 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15799 what its name says.
15800 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15801 bsi_after_labels iterator.
15802 * tree-if-conv.c (find_phi_replacement_condition,
15803 replace_phi_with_cond_modify_expr): Likewise.
15804 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15805 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15807 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15809 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15811 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15814 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15815 array after growing it.
15817 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15819 PR middle-end/24901
15820 * fold-const.c (fold_checksum_tree): Change type of buf.
15822 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15824 * reload.c (push_secondary_reload): Initialize t_icode.
15826 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15828 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15829 -msoft-float -mlong-double-128 only issue a warning, but don't
15830 swich to DFmode long double.
15832 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15834 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15835 has a constant equivalent, iterate over equivalents for arg0,
15836 calling simplify_relational_operation and if there's a result
15837 cheaper than X, apply fold_rtx and return the result.
15839 2006-02-01 Jan Hubicka <jh@suse.cz>
15841 * opts.c (no_unit_at_a_time_default): New global variable.
15842 (decode_options): Use it.
15843 * opts.h (no_unit_at_a_time_default): Declare.
15845 2006-02-01 Paul Brook <paul@codesourcery.com>
15847 * function.c (assign_parm_setup_reg): Use function argument promotion
15849 * expr.c (expand_expr_real_1): Use function argument promotion rules
15852 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15854 * gcc.c (process_command): Change j to 'unsigned int'.
15856 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15858 PR middle-end/26001
15859 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15860 Use the corrected index for the character
15861 out of the string constant.
15863 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15865 * mode-switching.c (optimize_mode_switching): Fix size
15866 allocated for bb_info[n_entities].
15868 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15870 * gcc.c (main): Correct type that is allocated for
15871 explicit_link_files.
15873 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15875 * config/s390/s390.c (init_alignment_context): Set
15876 ALIAS_SET_MEMORY_BARRIER on the MEM.
15877 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15879 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15881 PR middle-end/25933
15882 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15884 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15887 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15889 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15890 * regrename.c: Ditto.
15891 * tree-ssa-loop-im.c: Ditto.
15892 * tree-dump.c: Ditto.
15893 * tree-complex.c: Ditto.
15894 * genrecog.c: Ditto.
15895 * tree-ssa-threadupdate.c: Ditto.
15897 * java/class.c: Ditto.
15898 * java/jcf-parse.c: Ditto.
15899 * java/resource.c: Ditto.
15900 * java/except.c: Ditto.
15901 * java/jvspec.c: Ditto.
15902 * java/jcf-write.c: Ditto.
15903 * java/jcf-path.c: Ditto.
15904 * java/gjavah.c: Ditto.
15905 * java/zextract.c: Ditto.
15906 * java/jcf-io.c: Ditto.
15907 * java/jcf.h: Ditto.
15908 * java/buffer.c: Ditto.
15909 * java/lang.c: Ditto.
15910 * java/parse-scan.y: Ditto.
15911 * java/lex.c: Ditto.
15912 * java/lex.h: Ditto.
15913 * cfgloopmanip.c: Ditto.
15914 * postreload-gcse.c: Ditto.
15915 * tree-ssa-loop-manip.c: Ditto.
15916 * postreload.c: Ditto.
15917 * tree-ssa-loop-ch.c: Ditto.
15920 * cppspec.c: Ditto.
15921 * diagnostic.c: Ditto.
15923 * genoutput.c: Ditto.
15925 * cfghooks.c: Ditto.
15926 * cfgloopanal.c: Ditto.
15927 * objc/objc-act.c: Ditto.
15929 * genextract.c: Ditto.
15930 * genautomata.c: Ditto.
15931 * pretty-print.c: Ditto.
15932 * genemit.c: Ditto.
15933 * cgraphunit.c: Ditto.
15935 * df-scan.c: Ditto.
15936 * haifa-sched.c: Ditto.
15937 * dominance.c: Ditto.
15939 * tree-ssa-loop-ivopts.c: Ditto.
15940 * df-core.c: Ditto.
15941 * mode-switching.c: Ditto.
15942 * modulo-sched.c: Ditto.
15944 * ipa-pure-const.c: Ditto.
15946 * fix-header.c: Ditto.
15948 * tree-stdarg.c: Ditto.
15949 * ipa-utils.c: Ditto.
15950 * loop-init.c: Ditto.
15951 * ipa-inline.c: Ditto.
15952 * cfganal.c: Ditto.
15954 * alloc-pool.c: Ditto.
15955 * dwarf2out.c: Ditto.
15957 * genattrtab.c: Ditto.
15958 * tree-ssa-loop-ivcanon.c: Ditto.
15959 * predict.c: Ditto.
15960 * timevar.c: Ditto.
15962 * fortran/gfortranspec.c: Ditto.
15963 * regmove.c: Ditto.
15964 * local-alloc.c: Ditto.
15965 * langhooks.c: Ditto.
15966 * function.c: Ditto.
15967 * tree-vectorizer.c: Ditto.
15969 * ipa-type-escape.c: Ditto.
15971 * tree-if-conv.c: Ditto.
15972 * profile.c: Ditto.
15974 * tree-data-ref.c: Ditto.
15975 * loop-unroll.c: Ditto.
15976 * treelang/treetree.c: Ditto.
15978 * bt-load.c: Ditto.
15979 * ggc-common.c: Ditto.
15981 * coverage.c: Ditto.
15983 * tree-cfgcleanup.c: Ditto.
15984 * tree-ssa-pre.c: Ditto.
15985 * cfgcleanup.c: Ditto.
15986 * loop-invariant.c: Ditto.
15987 * loop-iv.c: Ditto.
15988 * ipa-prop.c: Ditto.
15989 * print-tree.c: Ditto.
15990 * conflict.c: Ditto.
15991 * ggc-page.c: Ditto.
15992 * sched-deps.c: Ditto.
15993 * regclass.c: Ditto.
15994 * tree-object-size.c: Ditto.
15995 * combine.c: Ditto.
15996 * bb-reorder.c: Ditto.
15997 * resource.c: Ditto.
15998 * var-tracking.c: Ditto.
15999 * cfgloop.c: Ditto.
16000 * df-problems.c: Ditto.
16001 * reg-stack.c: Ditto.
16003 * gccspec.c: Ditto.
16004 * sched-rgn.c: Ditto.
16005 * tree-ssa-structalias.c: Ditto.
16006 * tree-ssa-reassoc.c: Ditto.
16007 * config/darwin-c.c: Ditto.
16008 * config/darwin.c: Ditto.
16009 * config/arm/arm.c: Ditto.
16011 * collect2.c: Ditto.
16012 * reload1.c: Ditto.
16014 2006-01-31 Nicolas Pitre <nico@cam.org>
16016 * arm.md (smaxsi3): Make aware of smax_m1.
16019 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16021 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16023 2006-01-31 Richard Guenther <rguenther@suse.de>
16025 * doc/invoke.texi (-msselibm): Document.
16026 * target.h (expand_library_builtin): New target hook.
16027 * builtins.c (expand_builtin): Use expand_library_builtin.
16028 (default_expand_library_builtin): New function.
16029 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16030 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16031 (link_gcc_math_spec): Declare.
16032 (static_specs): Add link_gcc_math_spec.
16033 * expr.h (default_expand_library_builtin): Declare.
16034 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16035 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16036 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16037 * config/i386/i386.opt (msselibm): New target option.
16038 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16039 (ix86_init_sse_abi_builtins): New function.
16040 (ix86_expand_library_builtin): Likewise.
16041 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16042 (override_options): Handle error conditions wrt -msselibm.
16043 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16044 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16045 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16048 2006-01-31 Richard Guenther <rguenther@suse.de>
16049 Paolo Bonzini <bonzini@gnu.org>
16051 * doc/install.texi (--disable-libgcc-math): Document.
16053 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16055 * expr.h (expand_normal): new inline function.
16056 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16057 * dojump.c: use it.
16058 * dwarf2out.c: use it.
16061 * expmed.c: use it.
16062 * except.c: use it.
16063 * config/sparc/sparc.c: use it.
16064 * config/i386/i386.c: use it.
16065 * config/rs6000/rs6000.c: use it.
16066 * config/arm/arm.c: use it.
16067 * config/mips/mips.c: use it.
16068 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16070 2006-01-30 Roger Sayle <roger@eyesopen.com>
16072 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16073 argv to the appropriate type.
16075 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16077 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16080 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16083 * config/s390/s390.c (struct machine_function): New flag
16084 decomposed_literal_pool_addresses_ok_p.
16085 (s390_reorg): Set it before final stage of literal pool transforms.
16086 (s390_decompose_address): Only accept displacements of the form
16087 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16089 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16091 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16092 the comparison routine return.
16094 2006-01-30 Michael Matz <matz@suse.de>
16096 * global.c (find_reg): Only evict for global regs.
16097 Take n_refs into account and dump more info.
16099 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16102 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16103 (pragma_trap, pragma_nosave_low_regs): Likewise.
16104 (current_function_anonymous_args): Likewise.
16105 (sh_deferred_function_attributes): New variable.
16106 (sh_deferred_function_attributes_tail): Likewise.
16107 (print_operand): For '@', look up trap_exit attribute.
16108 (calc_live_regs): Look up trapa_handler attribute. For trapa
16109 handlers, save/restore fpscr, but don't do any other
16110 interrupt-specific saves.
16111 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16112 Fix check for partially saved registers to check for SHmedia.
16113 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16114 (sh_output_function_epilogue): Don't clear any of the removed
16116 (sh_insert_attributes): Don't check pragma_interrupt.
16117 Insert deferred attributes. Check that interrupt attribute is
16118 present for other attributes that require its presence.
16119 (sh_attribute_table): Add new attributes trapa_handler and
16121 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16122 Don't check for pragma_interrupt. Don't store argument.
16123 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16124 (sh_deferred_function_attributes): Declare.
16125 (sh_deferred_function_attributes_tail): Likewise.
16126 * sh.md (sp_switch_1): Add operand. Change generator caller.
16127 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16128 (*return_i): Don't use when trap_exit attribute is in effect.
16129 (*return_trapa): New insn pattern.
16130 * sh-c.c: New file.
16131 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16132 setting c_target_objs and cxx_target_objs.
16133 * t-sh: Add rule for sh-c.o.
16135 2006-01-30 Richard Guenther <rguenther@suse.de>
16138 * gimplify.c (gimplify_target_expr): Handle easy cases
16139 without creating a temporary.
16141 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16143 * vec.h (safe_grow): Remove duplicated line.
16145 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16148 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16149 (expand_omp): ... here.
16150 (expand_omp_parallel): Only remove barriers for combined
16151 parallel+workshare constructs.
16153 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16157 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16158 * tree.c (build_qualified_type): Chain the new type to the original
16159 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16160 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16161 (build_pointer_type_for_mode): Only return unqualified types.
16162 (build_reference_type_for_mode): Likewise.
16164 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16166 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16167 * Makefile.in (CXX_COMPAT_WARN): Define.
16168 * configure: Regenerate.
16170 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16173 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16176 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16178 * toplev.c: Fix thinko.
16180 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16181 Marcin Dalecki <martin@dalecki.de>
16183 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16184 (push_srcloc): Use XNEW.
16185 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16187 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16189 * df-core.c (df_set_blocks): Deleted all variable.
16191 2006-01-28 Ian Lance Taylor <ian@airs.com>
16193 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16194 cgraph_output_pending_asms.
16196 2006-01-28 Zack Weinberg <zackw@panix.com>
16198 * c.opt: Add -W(no-)overlength-strings.
16199 * doc/invoke.texi: Document it.
16200 * c-opts.c (c_common_handle_option): -pedantic implies
16201 -Woverlength-strings, if not explicitly disabled already.
16202 (c_common_post_options): -Woverlength-strings defaults to off, and
16203 is always off for C++.
16204 * c-common.c (fix_string_type): Issue warning about strings longer
16205 than is portable only if warn_overlength_strings. Rearrange code
16206 a little for clarity.
16207 * configure.in: Check for -Wno-overlength-strings as well before
16208 enabling -pedantic in stage 1.
16209 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16210 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16212 * genconditions.c (write_header, write_one_condition)
16213 (write_conditions, write_writer): Consolidate very long strings
16214 that were broken up to fit in C89 portable limit. Don't use
16215 printf when fputs will do.
16217 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16219 * combine.c (simplify_comparison <AND>): Check
16220 TRULY_NOOP_TRUNCATION before start using a subreg.
16222 * config/mips/mips.md (*branch_zero<mode>,
16223 *branch_zero<mode>_inverted, *branch_equality<mode>,
16224 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16225 Remove mode check from comparisons.
16227 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16229 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16231 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16233 * expmed.c (const_mult_add_overflow_p): Remove.
16234 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16236 * recog.c (validate_replace_rtx_subexp): Remove.
16237 * recog.h: Remove the prototype for
16238 validate_replace_rtx_subexp.
16240 * integrate.h: Remove the prototype for
16241 copy_decl_for_inlining.
16242 * rtl.h: Remove the prototype for mark_constant_function.
16243 * tree-vectorizer.h: Remove the prototype for
16244 vect_strip_conversion.
16246 * modulo-sched.c (create_partial_schedule,
16247 free_partial_schedule, reset_partial_schedule): Make them
16250 * hooks.c (hook_bool_rtx_int_false): Remove.
16251 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16253 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16255 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16256 and -mlong-double-128 are incompatible.
16257 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16258 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16259 (TARGET_LIBGCC2_CFLAGS): Define.
16260 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16261 (TARGET_LIBGCC2_CFLAGS): Same.
16262 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16264 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16267 * c-typeck.c (build_binary_op): Perform implicit casts of
16268 operands before shortening them.
16270 * cfgloopmanip.c (split_loop_bb): Remove.
16271 * cfgloop.h: Remove the prototype for split_loop_bb.
16273 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16274 * cfgloop.h: Remove the prototype for
16275 flow_loop_outside_edge_p.
16277 * emit-rtl.c (init_virtual_regs): Make it static.
16278 * function.h: Remove the prototype for init_virtual_regs.
16280 * recog.c (peephole2_optimize): Make it static.
16281 * recog.h: Remove the prototype for peephole2_optimize.
16283 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16285 * df-scan.c (df_record_entry_block_defs): Check if
16286 INCOMING_RETURN_ADDR_RTX is defined.
16288 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16289 Kenneth Zadeck <zadeck@naturalbridge.com>
16291 PR rtl-optimization/24762
16292 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16293 * targhooks.c (hook_void_bitmap): New hook prototype.
16294 * targhoohs.h (hook_void_bitmap): Ditto.
16295 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16296 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16297 * target.h (live_on_entry): New function pointer.
16298 * df-scan.c (df_all_hard_regs): Removed.
16299 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16300 (df_scan_free_internal): Added df->entry_block_defs.
16301 (df_scan_alloc): Ditto.
16302 (df_scan_dump): Ditto.
16303 (df_uses_record): Plumbed flag field properly thru calls.
16304 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16305 This part fixes PR24762.
16306 (df_bb_refs_record): Added code to make the frame and arg
16307 pointers live in EH blocks.
16308 (df_refs_record): Added call to df_record_entry_block_defs.
16309 (df_record_entry_block_defs): New function.
16310 * df-core.c: Added comments to describe new artifical defs.
16311 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16312 (entry_block_defs): New field in struct df.
16313 (df_all_hard_regs): Deleted.
16314 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16315 * df-problems.c (df_ru_bb_local_compute_process_def):
16316 Added code to handle artifical defs in the entry to a function.
16317 (df_ru_bb_local_compute): Ditto.
16318 (df_rd_bb_local_compute_process_def): Ditto.
16319 (df_rd_bb_local_compute): Ditto.
16320 (df_lr_bb_local_compute): Ditto.
16321 (df_ur_bb_local_compute): Ditto.
16322 (df_urec_bb_local_compute): Ditto.
16323 (df_chain_create_bb): Ditto.
16324 (df_ur_local_finalize): Removed entry.
16325 (df_urec_init): Ditto.
16326 (df_urec_local_finalize): Ditto.
16327 (df_ri_bb_compute): Added detection of last use of pseudos.
16328 * Makefile.in (df-scan.o): Updated dependencies.
16329 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16330 * config/mips/mips.c (mips_set_live_on_entry): Added.
16331 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16333 * dce.c (marked_insn_p): Added code to handle artifical defs.
16335 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16337 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16339 (_mm_cvtsi128_si64): Likewise.
16340 (_mm_cvtsd_si64): Likewise.
16341 (_mm_cvttsd_si64): Likewise.
16342 (_mm_cvtsi64_sd): Likewise.
16343 (_mm_cvtsi64_si128): Likewise.
16344 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16345 (_mm_cvtsi64_m64): Likewise.
16346 (_m_to_int64): Likewise.
16347 (_mm_cvtm64_si64): Likewise.
16348 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16349 (_mm_cvttss_si64): Likewise.
16350 (_mm_cvtsi64_ss): Likewise.
16351 (_mm_cvtss_f32): Likewise.
16353 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16355 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16356 for pragma redefine_extname.
16358 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16361 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16362 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16363 -mno-minimal-toc to previous content.
16364 (bispecs): Remove goal.
16365 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16366 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16367 compatibility aliases on powerpc-*-*gnu*.
16368 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16369 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16370 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16371 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16372 (ldblspecs): New goal.
16373 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16374 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16376 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16377 L_sf_to_tf or L_df_to_tf is defined.
16379 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16380 Alan Modra <amodra@bigpond.net.au>
16383 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16384 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16385 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16386 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16387 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16388 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16389 (rs6000_override_options): Initialize rs6000_ieeequad.
16390 Initialize TFmode format to ibm_extended_format if not
16392 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16394 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16395 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16396 (function_arg_advance): IBM long double passed in two FPRs, not
16398 (function_arg): IBM long double passed in FPRs.
16399 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16400 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16401 Only multireg GPR aligned.
16402 (rs6000_init_libfuncs): Enable IBM long double functions if not
16404 (rs6000_generate_compare): Use IBM long double compare if not
16406 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16407 (TARGET_IEEEQUAD): Define.
16408 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16409 not TARGET_IEEEQUAD.
16410 * config/rs6000/rs6000.md: Enable TFmode patterns if
16412 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16413 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16414 and -mlong-double-128 are incompatible.
16415 * doc/invoke.texi (-mabi): Collect options together. Add
16416 ibmlongdouble and ieeelongdouble.
16418 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16420 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16422 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16423 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16424 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16425 * rtl.h (rtunion_def): Remove rt_ptr.
16427 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16428 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16429 * config/i386/winnt.c (i386_pe_mark_dllexport)
16430 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16432 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16434 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16436 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16440 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16441 pthread_key_delete. From John David Anglin. gthrw-ify
16442 pthread_getunique_np only if it it's not a macro. Delete
16444 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16445 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16446 __gthread_objc_condition_signal, __gthread_key_delete): Add
16447 "__attribute__ ((__unused__))" to unused arguments.
16448 (__gthread_recursive_mutex_init_function): Add missing return.
16449 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16450 gthr-posix95.h: Use macro-based approach for name redirection
16451 on targets missing weakref.
16453 2006-01-26 Zack Weinberg <zackw@panix.com>
16455 * genconditions.c (write_header): In generated code, #ifdef out
16456 all includes and fake declarations, except includes of bconfig.h
16457 and system.h, unless GCC_VERSION >= 3001. Do not include
16458 gensupport.h in any case.
16459 (write_conditions): Generate a definition of struct c_test. Add
16460 a comment to the generated #endif.
16461 (write_one_condition): Escape backslashes in string too.
16462 (write_writer): Generated code must escape backslashes and quote
16463 marks (but not newlines) in the strings it writes.
16464 * Makefile.in (build/gencondmd.o): Update dependencies.
16466 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16469 * Makefile.in (insn-automata.o): Add header file dependencies.
16470 * genautomata.c: Add includes.
16472 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16475 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16477 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16479 * configure.ac: Expect target tools paths to be passed from the toplevel
16480 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16482 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16484 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16487 * c.opt (Wpointer-sign): Init to -1.
16488 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16489 OPT_pedantic, to 0 otherwise.
16490 * doc/invoke.texi: Update.
16492 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16494 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16495 constants provided by 80387 instructions in the destination mode.
16497 2006-01-26 Richard Guenther <rguenther@suse.de>
16498 Andrew Pinski <pinskia@physics.uc.edu>
16501 partial PR tree-opt/17064
16502 * tree-ssa-structalias.c (intra_create_variable_infos):
16503 Create heap variables for incoming parameters if
16504 flag_argument_noalias > 1.
16505 (find_what_p_points_to): Look through default defs of
16508 2006-01-26 Jeff Law <law@redhat.com>
16511 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16512 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16513 within the VR_RANGE, use the VR_RANGE as the result, not the
16515 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16516 bounds for the type.
16518 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16520 * tree-ssa-alias.c (maybe_create_global_var): Change
16521 subvar walking to an assertion that we don't have subvar'd variables.
16523 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16526 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16527 Use a new variable, inner. PARM_DECLs are always non-weak.
16529 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16531 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16532 --disable-checking.
16534 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16536 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16538 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16540 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16541 (smax_insn, smin_insn, smax_0, smin_0): New.
16543 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16546 * config/cris/cris.c (cris_order_for_addsi3): New function.
16547 * config/cris/cris-protos.h: Prototype it.
16548 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16549 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16550 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16551 (split for "op.S1 [rx=rx+i],ry (swapped)")
16552 (split for "op(s|u).S1 [rx=rx+i],ry")
16553 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16554 Apply cris_order_for_addsi3 when generating addsi3 insns.
16556 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16558 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16559 (TREE_BLOCK): Add call to EXPR_CHECK.
16561 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16564 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16565 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16566 (dump_omp_clauses): ... here.
16567 (dump_generic_node): Handle OMP_CLAUSE.
16568 * tree.c (omp_clause_num_ops): New.
16569 (omp_clause_code_name): New.
16570 (tree_code_size): Handle OMP_CLAUSE.
16571 (tree_size): Likewise.
16572 (make_node): Document handling of OMP_CLAUSE.
16573 (tree_node_structure): Handle OMP_CLAUSE.
16574 (omp_clause_check_failed): New.
16575 (omp_clause_range_check_failed): New.
16576 (omp_clause_operand_check_failed): New.
16577 (build_omp_clause): New.
16578 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16579 * tree.h (enum omp_clause_code): Declare.
16580 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16581 (OMP_CLAUSE_RANGE_CHECK): Define.
16582 (OMP_CLAUSE_ELT_CHECK): Define.
16583 (omp_clause_check_failed): Declare.
16584 (omp_clause_operand_check_failed): Declare.
16585 (omp_clause_range_check_failed): Declare.
16586 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16587 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16588 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16589 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16590 (OMP_CLAUSE_IF_EXPR): Likewise.
16591 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16592 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16593 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16594 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16595 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16596 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16597 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16598 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16599 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16600 (OMP_CLAUSE_CODE): Define.
16601 (OMP_CLAUSE_SET_CODE): Define.
16602 (OMP_CLAUSE_CODE): Define.
16603 (OMP_CLAUSE_OPERAND): Define.
16604 (struct tree_omp_clause): Declare.
16605 (union tree_node): Add field 'omp_clause'.
16606 * treestruct.def (TS_OMP_CLAUSE): Define.
16607 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16608 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16609 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16610 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16611 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16612 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16613 (OMP_CLAUSE): Define.
16614 * print-tree.c (print_node): Handle OMP_CLAUSE.
16615 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16616 * c-typeck.c: Likewise.
16617 * gimplify.c: Likewise.
16618 * c-omp.c: Likewise.
16619 * tree-nested.c: Likewise.
16620 * tree-inline.c: Likewise.
16621 * c-parser.c: Likewise.
16622 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16625 2006-01-25 Roger Sayle <roger@eyesopen.com>
16627 PR rtl-optimization/25703
16628 * combine.c (try_combine): Handle zero_extract and strict_low_part
16629 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16631 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16633 * global.c: Fix comment typos.
16635 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16638 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16639 Use output_addr_const instead of assemble_name.
16641 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16643 * Makefile.in (sched-vis.o): Update dependencies.
16644 * haifa-sched.c (sched_finish): Clear current_sched_info.
16645 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16646 (dump_flow_info): Call it.
16647 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16649 * basic-block.h (dump_bb_info): Declare.
16650 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16651 option, and apply options only for dump files whose TDF_RTL,
16652 TDF_TREE, or TDF_IPA bits match.
16653 * rtl.h: Declare new functions exported from sched-vis.c.
16654 * sched-vis.c: Enable also if scheduling is not used.
16655 (print_value): Print the mode of registers if not inside scheduling.
16656 (print_insn): Make it work outside the scheduler. Beautify the output
16658 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16660 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16662 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16663 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16664 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16665 depending on the value of CONSTANT_POOL_ADDRESS_P.
16666 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16668 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16669 rather than SYMBOL_REF_DECL.
16670 (rtx_constant_pool): Remove const_rtx_sym_htab.
16671 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16672 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16673 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16674 Remove handling of const_rtx_sym_htab.
16675 (find_pool_constant): Delete.
16676 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16677 rather than find_pool_constant.
16678 (get_pool_constant_for_function): Delete.
16679 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16680 find_pool_constant.
16681 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16682 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16683 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16684 (SYMBOL_REF_CONSTANT): New macro.
16685 (get_pool_constant_for_function): Delete.
16686 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16687 rather than SYMBOL_REF_DECL.
16688 (i386_pe_mark_dllimport): Likewise.
16689 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16690 rather than SYMBOL_REF_DECL.
16691 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16692 (machopic_indirect_call_target): Likewise.
16694 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16696 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16698 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16700 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16702 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16704 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16706 2006-01-24 David Daney <ddaney@avtrex.com>
16709 * configure.ac (enable_tls): New enable option.
16710 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16711 * configure: Regenerate.
16712 * doc/install.texi (--enable-tls): Document new option.
16713 (--disable-tls): Ditto.
16715 2006-01-24 Richard Henderson <rth@redehat.com>
16717 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16718 * alias.c (true_dependence): Respect it.
16719 (canon_true_dependence, write_dependence_p): Likewise.
16720 * builtins.c (get_builtin_sync_mem): Set it.
16722 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16724 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16727 2006-01-24 DJ Delorie <dj@redhat.com>
16729 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16730 for storing constants in single-bit bitfields.
16732 2006-01-25 Ben Elliston <bje@au.ibm.com>
16734 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16736 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16739 * tree-ssa-pre.c (phi_translate): Return NULL
16740 for AGGREGATE_TYPE's.
16742 2006-01-24 Zack Weinberg <zackw@panix.com>
16744 * genautomata.c (process_state_for_insn_equiv_partition):
16745 Use xcalloc for insn_arcs_array.
16746 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16747 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16749 2006-01-24 Richard Henderson <rth@redhat.com>
16751 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16752 update all callers.
16754 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16756 PR rtl-optimization/25890
16757 PR rtl-optimization/25905
16758 * combine.c (expand_compound_operation, expand_field_assignment):
16759 Fail if the bitfield's final position is out of bounds.
16761 2006-01-24 Ian Lance Taylor <ian@airs.com>
16763 PR middle-end/25930
16764 * cgraphunit.c (cgraph_output_in_order): Don't clear
16765 cgraph_asm_nodes until after asm strings have been output.
16767 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16769 * fix-header.c (read_scan_file): Add new parameter imultilib when
16770 calling register_include_chains.
16772 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16774 * omp-low.c: Update documentation.
16776 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16777 Daniel Berlin <dberlin@dberlin.org>
16781 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16782 return from the function.
16784 2006-01-22 Zack Weinberg <zackw@panix.com>
16786 * rtl.def (match_code): Add second argument.
16787 * genpreds.c (write_extract_subexp): New function.
16788 (write_match_code): Add path argument. Use write_extract_subexp.
16789 (write_predicate_expr): Pass path to write_match_code.
16790 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16791 not perform a mode test.
16792 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16793 a subexpression does not constrain the top-level code set.
16794 * read-rtl.c (read_rtx_variadic): New function.
16795 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16796 * doc/md.texi: Document new notation.
16797 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16798 (cmpsi_operand): ... here, using new notation.
16800 2006-01-22 Zack Weinberg <zackw@panix.com>
16802 * varray.c: Remove GENERATOR_FILE #ifdefs.
16804 2006-01-22 Zack Weinberg <zackw@panix.com>
16806 * genautomata.c (output_reserved_units_table): Emit nothing if
16807 description->query_units_num is zero. Remove extra blank line.
16808 (output_cpu_unit_reservation_p): Short circuit
16809 if description->query_units_num is zero.
16811 2006-01-22 Zack Weinberg <zackw@panix.com>
16813 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16814 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16815 nor any of the random handful of variables that used to be necessary
16816 when this program was linked with rtlanal.o. Prune set of forward
16817 function declarations.
16818 (struct attr_desc): Remove static_p field.
16819 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16820 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16821 (attr_string): Do not read the character one past the length of
16823 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16824 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16825 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16826 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16827 (make_automaton_attrs): New.
16828 (main): Do not call into genautomata. Call local gen_bypass
16829 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16830 Remove special case for insn_alts.
16831 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16832 varray.h (leftover from previous change). Prune set of forward
16833 function declarations. Remove state_alts fields from all
16834 structures. Remove state_alts_table from struct automaton.
16835 Make everything except main static. Do not maintain num_dfa_decls.
16836 Do not maintain state_alts fields of various structures.
16837 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16838 (add_arc): Remove state_alts argument. All callers updated.
16839 (output_reserved_units_table): Emit #ifdef here...
16840 (output_tables): ...not here. Don't generate state_alts tables.
16841 (expand_automata): Don't generate attributes.
16842 (write_automata): Don't generate state_alts functions.
16843 (main): New function.
16844 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16845 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16846 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16847 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16848 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16849 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16850 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16851 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16853 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16854 * genattrtab.h: Delete file.
16855 * Makefile.in (OBJS-common): Add insn-automata.o.
16856 (insn-automata.o): New rule.
16857 (simple_generated_c): Add insn-automata.c.
16858 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16859 (genprogmd): Add automata.
16860 (build/genattrtab): Needs no extra objects nor libraries.
16861 (build/genautomata): Needs build/vec.o and -lm.
16863 2006-01-22 Zack Weinberg <zackw@panix.com>
16865 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16866 (output_dfa_max_issue_rate, locked_states_num): Delete.
16867 (struct automaton): Add locked_states field.
16868 (output_dead_lock_vect): Save number of locked states in
16869 automaton->locked_states. If it is zero, don't print anything.
16870 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16871 (output_internal_dead_lock_func): Only test the dead_lock_vect
16872 for automata that have locked states.
16873 (output_statistics): Always print the number of locked states for
16874 each automaton. Calculate total number of locked states here.
16875 (write_automata): Don't call output_dfa_max_issue_rate.
16876 * genattrtab.c: Define length_unit_log as a const variable.
16877 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16878 max_insn_queue_index const.
16879 * final.c (length_unit_log): Declare const.
16880 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16882 2006-01-22 Zack Weinberg <zackw@panix.com>
16884 * genautomata.c: Include vec.h, not varray.h.
16885 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16886 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16887 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16888 VEC_* macros operating on appropriately typed vectors, or to
16889 malloced arrays when the size is known in advance. Const-ify
16890 many char* variables and function arguments. No functional changes.
16891 * Makefile.in (build/varray.o): Delete rule.
16892 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16893 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16895 2006-01-22 Zack Weinberg <zackw@panix.com>
16897 * gensupport.c: Define get_insn_name and record_insn_name here.
16898 (read_md_rtx): Call record_insn_name as appropriate.
16899 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16900 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16901 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16903 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16904 (BUILD_VARRAY): Delete.
16905 (genprognormal): Rename genprogmd. Fold in all programs from
16906 genprognoprint; also attrtab.
16907 (build/genattrtab): Just mention genautomata.o and varray.o.
16908 Reorganize a bit, add comments to make the categories clearer.
16910 2006-01-22 Zack Weinberg <zackw@panix.com>
16912 * genconditions.c (condition_table, add_condition): Delete.
16913 (write_conditions): Don't emit n_insn_conditions nor
16914 insn_elision_unavailable. Issue the gcc version #ifdef here,
16915 inside the table, with no #else clause ...
16916 (write_header): ...not here.
16917 (write_writer): New function.
16918 (main): Don't initialize condition_table. Use add_c_test.
16920 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16921 files on the command line.
16922 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16923 Return -1 if there is no entry in the table, don't abort.
16924 (add_c_test, traverse_c_tests): New functions.
16925 * gensupport.h (insn_elision_unavailable, insn_conditions)
16926 (n_insn_conditions): Delete declarations.
16927 (add_c_test, traverse_c_tests): Declare.
16928 * read-rtl.c: Include gensupport.h.
16929 (read_conditions): New function.
16930 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16931 (read_rtx_1): If we get EOF when we were looking for an initial
16932 open paren, return 0. Call read_conditions when appropriate.
16933 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16934 dummy-conditions.o. Eliminate references to insn-conditions.o,
16935 or change them to build/gencondmd.o, as appropriate. Remove
16936 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16937 from $(simple_generated_c). For all files remaining in those
16938 two lists, add insn-conditions.md to the generator command line.
16939 Give insn-constants.h/s-constants their own rules. Add rules
16940 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16941 (build/read-rtl.o): Depend on gensupport.h.
16942 (genprognormal): Include preds.
16943 (genprogearly): Rename genprognoprint; only difference is now that
16944 they don't link with $(BUILD_PRINT).
16945 * dummy-conditions.c: Delete.
16947 2006-01-22 Zack Weinberg <zackw@panix.com>
16949 * genextract.c: Don't include insn-config.h. Do include vec.h.
16950 Declare vectors of int, char, and locstr.
16951 (locstr): New typedef.
16952 (struct extraction): Make all array fields into bare pointers.
16953 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16954 (insn_code_number): Delete.
16955 (accum_extract): New struct.
16956 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16957 (gen_insn): Take insn_code_number as an argument. Use an
16958 accum_extract structure instead of loading data directly into
16959 a struct extraction, and having to know how big it might get.
16960 (walk_rtx): Operate entirely on an accum_extract structure.
16961 (print_path): Avoid unnecessary use of printf.
16962 (print_header): New function, split out of main. Distinguish
16963 more carefully between an unrecognizable insn and an insn that
16964 has the code number of a define_expand.
16965 (main): Pass insn_code_number to gen_insn. Call print_header
16966 only after parsing. Avoid unnecessary use of printf.
16967 * Makefile.in (build/vec.o): New rule.
16968 (build/genextract): Depend on build/vec.o.
16969 (build/genextract.o): Don't depend on insn-config.h.
16971 2006-01-22 Zack Weinberg <zackw@panix.com>
16973 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16974 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16975 practical. Eliminate per-generator-program link rules.
16977 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16979 PR middle-end/24437
16980 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16981 with a call expr to ...
16982 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16984 2006-01-23 Richard Guenther <rguenther@suse.de>
16986 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16987 before make_edge with conditional EDGE_TRUE_VALUE.
16989 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16990 Jan Hubicka <jh@suse.cz>
16991 Richard Guenther <rguenther@suse.de>
16993 PR rtl-optimization/25654
16994 * cfgexpand.c (aggregate_contains_union_type): New function.
16995 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16996 for structure variables that contain a union type.
16998 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17000 * gengtype.c (new_structure): Return the structure.
17001 (create_option): Add an extra "next" argument.
17002 (create_field): New function.
17003 (adjust_field_rtx_def): Use create_option and create_field.
17004 Remove a now-unnecessary call to find_structure.
17005 (adjust_field_tree_def): Likewise.
17006 (note_yacc_type): Remove an unnecessary call to find_structure.
17007 * gengtype.h (new_structure): Return the structure.
17008 (create_option): Add an extra argument.
17009 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17010 (option): Adjust calls to create_option.
17012 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17014 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17016 2006-01-22 Paul Brook <paul@codesourcery.com>
17017 Peter Barada <peter@the-baradas.com>
17019 * config/m68k/m68k.md: Add Coldfire FPU support.
17020 Define FP mode macro and associated attributes.
17021 Use it for float mode patterns.
17022 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17023 (LIBCALL_VALUE): Use m68k_libcall_value.
17024 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17025 (m68k_function_value): Ditto.
17026 (emit_move_sequence): Ditto.
17027 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17028 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17029 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17030 (MULTILIB_EXCEPTIONS): Ditto.
17031 * config/m68k/m68k.opt: Add mcfv4e.
17032 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17033 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17034 (m68k_output_function_prologue): Save ColdFire FPU registers.
17035 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17036 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17037 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17038 ColdFire FPU registers.
17039 (m68k_libcall_value, m68k_function_value): New functions.
17040 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17041 (LIBCALL_VALUE): Use m68k_libcall_value.
17042 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17043 (MASK_COLDFIRE): Add MASK_CFV4E.
17044 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17045 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17046 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17047 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17048 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17049 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17050 * doc/invoke.tex: Document -mcfv4e on m68k.
17052 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17054 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17057 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17060 * c-opts.c (c_common_handle_option): Don't include
17061 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17062 * doc/invoke.texi (C++ Dialect Options): Document that
17063 -Wnon-virtual-dtor is no longer included in -Wall.
17065 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17067 * gcov.c (print_version), gcov-dump.c (print_version),
17068 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17071 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17073 * df-scan.c (problem_SCAN): Added NULL reset function.
17074 (df_scan_reset_blocks): Added code to call reset block function
17075 (df_bb_refs_delete) Fixed comment.
17076 (df_insn_refs_delete): Made tolerant of deleting non existent info
17077 for dataflow problems that need to be reset.
17078 * df-core.c (df_set_blocks): Ditto.
17079 * df.h (struct df_problem): Added reset_fun.
17080 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17081 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17082 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17083 functions to clear out all references to def-use or use-def chains.
17085 2006-01-21 Ben Elliston <bje@au.ibm.com>
17087 * varasm.c (assemble_real): Initialise data array.
17089 2006-01-20 Paul Brook <paul@codesourcery.com>
17091 Merge from csl-arm-branch.
17092 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17093 * config/arm/arm.md (movdi): Force operands[1] to a register
17094 if we have a non-register source.
17095 (*arm_movdi, *movdf_soft_insn): Require that one of the
17096 operands be a register.
17097 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17098 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17100 2006-01-20 DJ Delorie <dj@redhat.com>
17102 * varasm.c (initializer_constant_valid_p): Allow pointers
17103 initialized from integer constants of lesser precision.
17104 (output_constant): Allow non-int-sized pointer modes to be
17105 initialized from integer constants.
17107 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17110 * cppdefault.h (struct default_include): Add multilib flag.
17111 * cppdefault.c (cpp_include_defaults): Set it.
17112 * c.opt (-imultilib): New option.
17113 * c-opts.c (imultilib): New.
17114 (c_common_handle_option): Handle -imultilib.
17115 (c_common_post_options): Likewise.
17116 * c-incpath.c (add_standard_paths, register_include_chains):
17118 * c-incpath.h (register_include_chains): Add extra parameter.
17119 * gcc.c (do_spec_1): Generate -imultilib option.
17120 (The Specs Language): Update %I description.
17121 (process_command): Update copyright notice.
17122 * doc/cppopts.texi (-imultilib): Document.
17123 * doc/invoke.texi (-imultilib): Include in option summary.
17124 (%I): Update specs documentation.
17126 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17128 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17130 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17132 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17135 2006-01-20 Richard Guenther <rguenther@suse.de>
17136 Steven Bosscher <stevenb.gcc@gmail.com>
17138 PR rtl-optimization/24626
17139 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17140 EDGE_TRUE_VALUE if in RTL mode.
17143 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17144 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17146 2006-01-20 Dirk Mueller <dmueller@suse.com>
17149 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17150 instead of a special NOP marker.
17151 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17152 NOP marker handling.
17153 * c-common.h (empty_body_warning): Add forward declaration.
17154 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17155 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17157 2006-01-20 Paul Brook <paul@codesourcery.com>
17159 * Makefile.in (lang_checks): Keep going if mkdir fails.
17161 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17163 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17164 be able to clean out basic block when not necessary.
17165 (df_scan_free): Fixed to properly delete information if df is
17166 unused before calling df_finish.
17167 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17168 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17170 (df_bb_refs_delete): New function.
17171 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17172 * df-core.c (df_set_blocks): Added code to properly clean out
17173 unused blocks if they are not part of the blocks to consider.
17174 Added additional null check.
17175 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17176 be able to clean out basic block when not necessary
17177 * df.h (df_free_bb_function): Ditto.
17178 (df_bb_refs_delete): New function.
17179 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17180 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17181 basic block parameter to be able to clean out basic block when not
17183 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17184 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17185 Fixed to properly delete information if df is unused before
17188 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17190 PR rtl-optimization/25799
17191 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17192 Corrected confluence operator to remove bits from op2 before oring
17193 with op1 rather than removing bits from op1.
17194 (df_ru_transfer_function): Corrected test on wrong bitmap which
17195 caused infinite loop. Both of these problems were introduced in
17196 the dataflow rewrite.
17198 2006-01-19 DJ Delorie <dj@redhat.com>
17200 * reload1.c (find_reload_regs): Note the details of reload
17201 failures in the dump file.
17202 (spill_failure): Likewise.
17204 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17206 * loop-iv.c: Include df.h and hashtab.h.
17207 (enum iv_grd_result): New enum.
17208 (DF_REF_IV, DF_REF_IV_SET): New macros.
17209 (struct biv_entry): New.
17210 (df, bivs): New global variables.
17211 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17212 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17214 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17215 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17216 analyzed_for_bivness_p, record_biv): New functions.
17217 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17218 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17219 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17221 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17223 (iv_number_of_iterations): Use new interface to iv analysis.
17224 * loop-unroll.c: Do not include varray.h.
17225 (analyze_iv_to_split_insn): Use new interface to iv
17227 * loop-unswitch.c (may_unswitch_on): Ditto.
17228 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17230 (df_bb_modify): Realloc tables to the new index.
17231 (df_find_use): New function.
17232 * df.h (df_find_use): Declare.
17233 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17235 * cfgloop.h (struct rtx_iv): Remove analysed field.
17236 (iv_get_reaching_def): Removed.
17237 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17238 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17239 (loop-iv.o): Add df.h and hashtab.h dependency.
17240 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17242 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17245 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17247 (__floatundisf, __floatundidf): Likewise.
17248 * libgcc2.h (IS_IBM_EXTENDED): Define.
17250 2006-01-19 DJ Delorie <dj@redhat.com>
17252 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17254 2006-01-19 Paul Brook <paul@codesourcery.com>
17256 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17257 as nothrow when unwinding tables are disabled.
17259 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17262 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17263 of bit-field" when in system header.
17265 2006-01-19 DJ Delorie <dj@redhat.com>
17267 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17268 the 16 bit shift limit of the m16c.
17270 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17273 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17274 * config/i386/i386.c (output_set_got): Output the label if we have one
17275 for the TARGET_DEEP_BRANCH_PREDICTION case.
17277 2006-01-19 Jan Hubicka <jh@suse.cz>
17278 H.J. Lu <hongjiu.lu@intel.com>
17279 Evandro Menezes <evandro.menezes@amd.com>
17281 * invoke.texi (generic): Document
17283 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17284 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17285 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17286 (x86_use_incdec, x86_pad_returns): New variables
17287 (TARGET_CPU_DEFAULT_generic): New constant
17288 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17289 (enum processor_type): Add generic32 and generic64.
17290 * i386.md (cpu attribute): Add generic32/generic64
17291 (movhi splitter): Behave sanely when both partial_reg_dependency and
17292 partial_reg_stall are set.
17293 (K8 splitters): Enable for generic as well.
17294 * predicates.md (incdec_operand): Use TARGET_INCDEC
17295 (aligned_operand): Avoid memory mismatch stalls.
17296 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17297 * ppro.md: Enable for generic32
17298 * i386.c (generic64_cost, generic32_cost): New.
17299 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17300 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17301 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17302 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17303 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17304 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17305 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17306 x86_accumulate_outgoing_args, x86_prologue_using_move,
17307 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17308 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17309 Enable for generic.
17310 (x86_use_incdec, x86_pad_returns): New.
17311 (override_options): Add generic32 and generic64, translate "generic"
17312 to generic32/generic64 and "i686" to "generic32", refuse
17313 "generic32"/"generic64" as arch target.
17314 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17315 (ix86_reorg): Honor PAD_RETURNS.
17317 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17319 * tree-pretty-print.c (dump_generic_node): Handle
17320 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17321 * cgraph.c (cgraph_expand_queue): Rename from
17322 cgraph_analyze_queue. Update all users.
17323 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17324 cgraph_expand_queue.
17325 (cgraph_expand_all_functions): Likewise.
17326 (cgraph_finalize_pending_functions): Remove. Update callers.
17328 * tree.h (OMP_DIRECTIVE_P): Define.
17329 (OMP_PARALLEL_FN): Define.
17330 (OMP_PARALLEL_DATA_ARG): Define.
17331 (OMP_SECTIONS_SECTIONS): Define.
17332 * tree-pass.h (pass_expand_omp): Declare.
17333 * omp-low.c (struct omp_region): Declare.
17334 (struct omp_context): Remove fields 'parallel_type',
17335 'parallel_start_ix' and 'parallel_start_additional_args'.
17337 (struct omp_for_data): Rename from struct expand_omp_for_data.
17338 (omp_regions): New static variable.
17339 (root_omp_region): New static variable.
17340 (find_omp_clause): Make static.
17341 (is_in_combined_parallel_ctx): Remove.
17342 (is_combined_parallel): New.
17343 (extract_omp_for_data): Move earlier in the file.
17344 (workshare_safe_to_combine_p): New.
17345 (get_ws_args_for): New.
17346 (determine_parallel_type): Move earlier in the file.
17347 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17349 (omp_copy_decl): Likewise.
17350 (create_omp_child_function): Likewise.
17351 (lookup_omp_region): New.
17352 (dump_omp_region): New.
17353 (debug_omp_region): New.
17354 (debug_all_omp_regions): New.
17355 (new_omp_region): New.
17356 (scan_omp_parallel): If parallel_nesting_level > 1, the
17357 directive is nested within another parallel directive.
17358 Set OMP_PARALLEL_FN.
17359 (scan_omp_for): Do not try to handle combined parallel+for
17361 Remove FIXME comment.
17362 (scan_omp_nested): Remove.
17363 (scan_omp_1): Do not call scan_omp_nested when
17364 parallel_nesting_level is > 1.
17365 Do not change the DECL_CONTEXT of local variables found.
17366 (lookup_decl_in_outer_ctx): New.
17367 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17368 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17369 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17370 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17371 If CTX is nested, lookup VAR in the outer context when
17372 building copy assignment.
17373 (lower_send_clauses): Rename from expand_send_clauses.
17374 If CTX is nested, lookup VAR in the outer context when
17375 building copy assignments.
17376 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17377 If CTX is nested, lookup VAR in the outer context when
17378 building copy assignments.
17379 (expand_parallel_call): Rename from build_parallel_call.
17380 Handle combined parallel+workshare cases.
17381 Re-implement to emit code into the CFG.
17383 (expand_omp_parallel): Re-implement to emit code into the CFG.
17384 Call move_sese_region_to_fn to outline the sub-graph
17385 containing the parallel region.
17386 (expand_omp_for_1): Remove.
17387 (expand_omp_for_generic): Re-implement to emit code into the
17389 (expand_omp_for_static_nochunk): Likewise.
17390 (expand_omp_for_static_chunk): Likewise.
17391 (expand_omp_for): Likewise.
17392 (expand_omp_sections): Likewise.
17393 (remove_exit_barriers): New.
17394 (expand_omp_synch): New.
17396 (build_omp_regions_1): New.
17397 (build_omp_regions): New.
17398 (execute_expand_omp): New.
17399 (gate_expand_omp): New.
17400 (pass_expand_omp): Define.
17401 (lower_omp_sections): Rename from expand_omp_sections.
17402 Set OMP_SECTIONS_SECTIONS.
17403 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17404 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17405 (lower_omp_single): Rename from expand_omp_simple.
17406 (lower_omp_master): Rename from expand_omp_master.
17407 (lower_omp_ordered): Rename from expand_omp_ordered.
17408 (lower_omp_critical): Rename from expand_omp_critical.
17409 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17410 (lower_omp_for): Re-implement.
17411 (lower_omp_parallel): Re-implement.
17412 (lower_regimplify): Rename from expand_regimplify.
17413 (lower_omp_1): Rename from expand_omp_1.
17414 If there are syntax errors in the program, replace every
17415 OpenMP directive with NOP.
17416 Call lower_omp_* instead of expand_omp_*.
17417 (lower_omp): Rename from expand_omp.
17419 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17420 * tree-gimple.h (enum omp_parallel_type): Remove.
17421 (gimple_boolify): Declare extern.
17422 (find_omp_clause, determine_parallel_type): Remove.
17424 * gimple-low.c (lower_omp_directive): New.
17425 (lower_stmt): Call it.
17426 (record_vars_into): Move from ...
17427 (record_vars): ... here.
17428 Call record_vars_into with current_function_decl.
17430 * gimplify.c (struct gimplify_ctx): Remove fields
17431 combined_pre_p and combined_ctxp. Update users.
17432 (get_formal_tmp_var): Add documentation.
17433 (gimple_boolify): Make extern.
17434 (gimplify_expr_in_ctx): Remove. Update callers.
17435 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17436 will always be a BIND_EXPR.
17437 (gimplify_expr): Handle OMP_RETURN_EXPR.
17438 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17439 (OMP_PARALLEL): Add 3 operands.
17440 (OMP_SECTIONS): Add 1 operand.
17441 (OMP_RETURN_EXPR): Define.
17443 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17444 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17445 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17446 creating a circular free list.
17447 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17449 * tree-flow.h (move_sese_region_to_fn): Declare.
17450 (record_vars_into): Declare.
17451 * tree-cfg.c (make_omp_sections_edges): New.
17452 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17453 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17454 OMP_SECTIONS and OMP_SECTION.
17455 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17456 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17457 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17458 (gather_blocks_in_sese_region): New.
17459 (struct move_stmt_d): Declare.
17460 (move_stmt_r): New.
17461 (move_block_to_fn): New.
17462 (move_sese_region_to_fn): New.
17464 * passes.c (init_optimization_passes): Schedule
17465 pass_expand_omp after pass_init_datastructures.
17467 * tree-ssa-operands.c (get_expr_operands): Handle
17468 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17469 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17471 2006-01-19 Jeff Law <law@redhat.com>
17473 * tree-vrp.c (extract_range_from_assert): Refine the result range
17474 if the variable referenced by the ASSERT_EXPR has a range and
17475 either the tentative result range or the previous range is a
17478 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17480 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17482 2006-01-19 Jan Hubicka <jh@suse.cz>
17484 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17486 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17488 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17489 (expand_compound_operation, expand_field_assignment): Fail if the
17490 bit lengths of an extract operation are out of range.
17491 (make_extraction): Compute wanted_inner_mode based on the position
17492 and length of the extraction. Make it extraction_mode for non-constant
17493 positions, and do not modify offset in that case. When generating a
17494 new MEM, use a mode that can hold the extraction while keeping correct
17495 alignment. Remove code that supported MEMs wrapped by USEs.
17496 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17498 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17500 * config/s390/s390.md ("Y", "y"): New mode attribute.
17501 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17502 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17503 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17504 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17505 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17506 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17507 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17508 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17509 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17510 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17511 "addsi3", "subsi3"): Insn patterns removed.
17512 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17513 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17514 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17515 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17516 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17517 "*sub<mode>3_cconly2"): New insn patterns.
17518 ("addsi3", "subsi3"): New expanders.
17520 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17522 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17523 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17524 existing STMT_VINFO_VECTYPE if available.
17525 (vect_mark_relevant): Add special handling for stmts that are
17526 marked as STMT_VINFO_IN_PATTERN_P.
17527 (vect_analyze_loop): Call vect_pattern_recog.
17528 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17529 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17531 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17532 (vect_recog_func_ptr): New function-pointer type.
17533 * tree-vect-patterns.c: New file.
17534 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17535 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17536 (vect_pattern_recog_1): New functions.
17537 (vect_pattern_recog_funcs): New array of function pointers.
17539 * tree-vectorizer.h (ternary_op): New enum value.
17540 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17541 declaration. Revised documentation. Removed redundant dump prints.
17542 Removed redundant argument. Added support for reduction patterns.
17543 (vectorizable_reduction): Added support for reduction patterns.
17544 (vect_transform_stmt): Added support for patterns.
17546 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17547 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17548 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17549 (expand_widen_pattern_expr): New function.
17550 (init_optabs): Initialize new optabs udot_prod_optab,
17552 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17553 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17554 (expand_widen_pattern_expr): New function declaration.
17555 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17557 * tree-inline.c (estimate_num_insns_1): Added cases for new
17558 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17559 * tree-pretty-print.c (dump_generic_node): Likewise.
17560 (op_prio): Likewise.
17561 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17562 * tree-ssa-operands.c (get_expr_operands): Added case for
17564 * tree-vect-patterns.c (widened_name_p): New function.
17565 (vect_recog_dot_prod_pattern): Added function implementation.
17566 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17567 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17568 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17569 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17571 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17572 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17573 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17574 (init_optabs): Initialize new optabs widen_ssum_optab,
17576 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17577 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17578 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17579 use instead of type of def.
17580 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17581 function implementation.
17582 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17583 widen_ssumv8hi): New.
17585 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17588 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17591 * c-decl.c (add_flexible_array_elts_to_size): New function.
17592 (finish_decl): Use it.
17594 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17596 * diagnostic.h: Include options.h.
17597 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17598 dependancies for diagnostic.h.
17599 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17601 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17603 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17604 (ssa_ro_call_cache_valid): Ditto.
17605 * tree-ssa-alias.c (sort_tags_by_id): New function.
17606 (init_transitive_clobber_worklist): Ditto.
17607 (add_to_worklist): Ditto.
17608 (mark_aliases_call_clobbered): Ditto.
17609 (compute_tag_properties): Ditto.
17610 (set_initial_properties): Ditto.
17611 (compute_call_clobbered): Ditto.
17612 (compute_may_aliases): Call compute_call_clobbered and grouping.
17613 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17614 (compute_flow_insensitive_aliasing): Grouping now happens in our
17616 (setup_pointers_and_addressables): Remove clobbering related code.
17617 (add_may_alias): Ditto.
17618 (replace_may_alias): Ditto.
17619 (get_nmt_for): Ditto.
17620 (create_global_var):
17621 (is_escape_site): Return an escape_type enumeration.
17622 * tree-flow-inline.h (is_call_clobbered): Global var does not
17623 imply call clobbered.
17624 (mark_call_clobbered): Take a reason for marking this. Remove
17625 marking of globalness, and cache invalidation.
17626 (clear_call_clobbered): Remove cache invalidation code.
17627 * tree-dfa.c (dump_variable): If details is on, dump the reason
17629 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17631 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17632 (struct var_ann_d): Ditto.
17633 (enum escape_type): New.
17634 (mark_call_clobbered): Adjust prototype.
17635 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17636 are never call clobbered.
17637 Record reasons for escaping.
17638 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17639 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17640 (ssa_ro_call_cache_valid): Ditto.
17641 (clobbered_v_may_defs): Ditto.
17642 (clobbered_vuses): Ditto.
17643 (ro_call_vuses): Ditto.
17644 (clobber_stats): New.
17645 (init_ssa_operands): Zero out clobber stats.
17646 (fini_ssa_operands): Print out clobber stats.
17647 (get_call_expr_operands): Pass callee fndecl to
17648 add_call_read_ops).
17649 (add_call_clobber_ops): Remove use of cache.
17650 Add use of PURE_CONST information.
17651 (add_call_read_ops): Remove use of cache.
17652 Add use of static not_read information.
17654 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17656 Introduce TLS descriptors for i386 and x86_64.
17657 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17658 (TARGET_ANY_GNU_TLS): New macro.
17659 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17660 (struct machine_function): Add tls_descriptor_call_expanded_p.
17661 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17662 (ix86_current_function_calls_tls_descriptor): Likewise.
17663 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17664 (override_options): Introduce gnu2 tls dialect.
17665 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17667 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17669 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17670 (ix86_init_machine_status): Initialize new field.
17671 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17672 (ix86_tls_module_base): New.
17673 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17674 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17675 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17676 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17677 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17678 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17679 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17680 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17681 * config/i386/predicates.md (tls_modbase_operand): New.
17682 (tp_or_register_operand): New.
17684 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17686 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17687 (look_for_address_of): Ditto.
17688 (ipa_init): Walk the function decls.
17689 (static_execute): Don't set readonly on FUNCTION_DECL's.
17691 2006-01-18 Roger Sayle <roger@eyesopen.com>
17693 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17694 for shifts where the source and destination registers are different.
17696 2006-01-18 Paul Brook <paul@codesourcery.com>
17698 Merge from csl-arm-branch.
17699 2005-03-14 Julian Brown <julian@codesourcery.com>
17700 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17701 (aeabi_llsl): Likewise.
17702 (ashrdi3): Likewise.
17703 (aeabi_lasr): Likewise.
17704 (lshrdi3): Likewise.
17705 (aeabi_llsr): Likewise.
17706 2005-03-10 Julian Brown <julian@codesourcery.com>
17707 * config.gcc: Disable shared libgcc for SymbianOS.
17708 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17710 2006-01-18 DJ Delorie <dj@redhat.com>
17712 * c-pragma.c (handle_pragma_diagnostic): New.
17713 (init_pragma): Register it.
17714 * doc/extend.texi: Document it.
17716 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17717 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17718 (diagnostic_context): Add classify_diagnostic[].
17719 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17720 as errors if they're overridden to DK_WARNING.
17721 (diagnostic_initialize): Initialize classify_diagnostic[].
17722 (diagnostic_set_kind_override): New.
17723 (diagnostic_report_diagnostic): Check for kind changes.
17724 * opts.c (common_handle_option): Take lang_mask. Update callers.
17725 Handle OPT_Werror_.
17726 * common.opt (Werror=): New.
17727 * doc/invoke.texi: Document -Werror=*
17729 2006-01-18 Jeff Law <law@redhat.com>
17731 * tree-vrp.c (test_for_singularity): Correct test for new
17732 min limit. Use operand_equal_p rather than pointer equality
17733 for testing if new min/max values are equal.
17735 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17736 using range information until after propagation and folding.
17738 2006-01-18 Richard Henderson <rth@redhat.com>
17739 Aldy Hernandez <aldyh@redhat.com>
17740 Jakub Jelinek <jakub@redhat.com>
17741 Diego Novillo <dnovillo@redhat.com>
17743 * omp-low.c: New file.
17744 * c-omp.c: New file.
17746 2006-01-18 Richard Henderson <rth@redhat.com>
17747 Jakub Jelinek <jakub@redhat.com>
17748 Diego Novillo <dnovillo@redhat.com>
17750 * doc/invoke.texi: Document -fopenmp.
17751 * tree-dump.h (debug_function): Declare.
17752 * hooks.c (hook_bool_tree_bool_false): New function.
17753 (hook_tree_tree_null): Remove.
17754 (hook_tree_tree_tree_null): New.
17755 * hooks.h: Update to match.
17756 * tree-pretty-print.c (debug_tree_chain): New.
17757 (print_generic_expr): Handle TDF_CHAIN.
17758 (dump_generic_node): Handle BLOCK.
17759 Do not abort with incomplete SWITCH_EXPRs.
17760 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17761 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17762 print space after directive name.
17763 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17764 Handle OMP_MASTER and OMP_ORDERED.
17765 Handle printing of OMP_BODY just in one place, goto
17766 dump_omp_body in the rest of OMP_* nodes that have
17768 Don't handle clause nodes here. Update omp statements to
17769 use dump_omp_clauses.
17770 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17771 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17772 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17773 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17774 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17775 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17776 Adjust output for GOMP_PARALLEL.
17777 (dump_omp_clauses): New.
17778 (print_declaration): Dump DECL_VALUE_EXPR.
17779 (op_symbol_1): Split out of op_symbol.
17780 (dumping_stmts): Remove. Update all users.
17781 * cgraph.c (cgraph_analyze_queue): New.
17782 (cgraph_add_new_function): New.
17783 * cgraph.h (cgraph_analyze_queue): Declare.
17784 (cgraph_add_new_function): Declare.
17785 (cgraph_lower_function): Remove.
17786 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17787 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17788 and TYPE_P nodes in its default clause.
17789 (empty_body_p): New.
17790 (tree_range_check_failed): New.
17791 (build5_stat): New.
17792 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17793 OMP_CLAUSE_REDUCTION_MERGE,
17794 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17795 OMP_CLAUSE_PRIVATE_DEBUG,
17796 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17797 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17798 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17799 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17800 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17801 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17802 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17803 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17804 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17805 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17806 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17807 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17808 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17809 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17810 (TREE_RANGE_CHECK): New.
17811 (empty_body_p): Declare.
17812 (enum omp_clause_default_kind): New.
17813 (build_string_literal): Declare.
17814 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17815 (build5_stat, build5): Declare.
17816 * tree-pass.h (TDF_CHAIN): Define.
17817 * tree-pass.h (PROP_gimple_lomp): Define.
17818 (pass_lower_omp): Declare.
17819 * diagnostic.h (debug_tree_chain): Declare.
17820 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17822 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17823 * builtins.c (build_string_literal): Make extern.
17824 * gcc.c (include_spec_function): New.
17825 (static_spec_functions): Add it.
17826 (main): Move load of libgomp.spec ...
17827 (LINK_COMMAND_SPEC): ... here.
17828 (link_gomp_spec): New.
17829 (static_specs): Include it.
17830 (LINK_COMMAND_SPEC): Add link_gomp.
17831 (GOMP_SELF_SPECS): New.
17832 (driver_self_specs): Include it.
17833 (switch_matches): Don't mark inline.
17834 (main): Load libgomp.spec.
17835 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17836 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17837 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17838 * tree-gimple.h (enum omp_parallel): Declare.
17839 (determine_parallel_type): Declare.
17840 (omp_firstprivatize_variable): Declare.
17841 (omp_reduction_init): Declare.
17842 (diagnose_omp_structured_block_errors): Declare.
17843 (struct walk_stmt_info): Add want_return_expr.
17844 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17845 (find_omp_clause): Declare.
17846 (insert_field_into_struct): Declare.
17847 (struct walk_stmt_info): Move from tree-nested.c
17848 (walk_stmts): Declare.
17849 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17851 * cgraphunit.c (cgraph_lower_function): Make static.
17852 (cgraph_finalize_pending_functions): New.
17853 (cgraph_finalize_function): Call it.
17854 (cgraph_finalize_compilation_unit): Likewise.
17855 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17856 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17857 (BT_FN_UINT_UINT): New.
17858 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17859 DEF_FUNCTION_TYPE_VAR_4): Document.
17860 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17861 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17862 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17863 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17864 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17865 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17866 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17867 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17868 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17869 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17870 into separate files.
17871 (DEF_GOMP_BUILTIN): New.
17872 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17873 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17874 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17875 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17876 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17877 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17878 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17879 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17880 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17881 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17882 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17883 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17884 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17885 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17886 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17887 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17888 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17889 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17890 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17891 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17892 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17893 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17894 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17895 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17896 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17897 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17898 * sync-builtins.def: New file, moved from builtins.def.
17899 * omp-builtins.def: New file, moved from builtins.def.
17900 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17901 * gimple-low.c (lower_function_body): Clear data.
17902 (lower_stmt): Do not handle COMPOUND_EXPR.
17903 Remove call to print_node_brief.
17904 * c-tree.h (c_finish_omp_clauses): New prototype.
17905 (C_DECL_THREADPRIVATE_P): Define.
17906 (lookup_name_no_remap, c_omp_remap_private): Remove
17907 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17908 (check_for_loop_decls): Update decl.
17909 (lookup_name_no_remap, c_omp_remap_private): Declare.
17910 (build_indirect_ref, build_modify_expr, pushdecl,
17911 pushdecl_top_level): Move to c-common.h.
17912 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17913 before the switch, but just in the 2 places that need it.
17914 * c-decl.c (diagnose_mismatched_decls): Do not check for
17915 mismatched thread-local attributes when OLDDECL is marked
17916 threadprivate and NEWDECL has no thread-local attributes.
17917 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17918 (c_gimple_diagnostics_recursively): Rename from
17919 c_warn_unused_result_recursively. Invoke
17920 diagnose_omp_structured_block_errors.
17921 (check_for_loop_decls): Return a singular decl found.
17922 * langhooks.c (lhd_omp_predetermined_sharing): Return
17923 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17924 (lhd_omp_firstprivatize_type_sizes): New.
17925 (lhd_omp_assignment): New.
17926 (lhd_omp_predetermined_sharing): New.
17927 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17928 (struct lang_hooks_for_types): Add
17929 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17930 omp_predetermined_sharing, omp_disregard_value_expr,
17931 omp_private_debug_clause, omp_clause_default_ctor,
17932 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17933 (c_finish_omp_clauses): New.
17934 (c_finish_bc_stmt): Diagnose break within omp for.
17935 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17936 (build_unary_op): Return error_mark after reporting
17938 (build_modify_expr): Likewise.
17939 * gimplify.c: Include optabs.h and pointer-set.h.
17940 (enum gimplify_omp_var_data): Declare.
17941 (struct gimplify_omp_ctx): Declare.
17942 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17944 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17945 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17946 (splay_tree_compare_decl_uid): New.
17947 (new_omp_context): New.
17948 (delete_omp_context): New.
17949 (gimple_add_tmp_var): Call omp_add_variable.
17950 (gimplify_bind_expr): Likewise.
17951 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17952 true, disregard DECL_VALUE_EXPR on the decl if any.
17953 (gimplify_expr_in_ctx): New.
17954 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17955 omp_add_variable, omp_notice_variable, omp_is_private
17956 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17957 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17958 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17959 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17960 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17961 gimplify_omp_atomic): New.
17962 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17963 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17964 OMP_CRITICAL and OMP_ATOMIC.
17965 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17966 * c-pragma.h (enum pragma_kind): Add
17967 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17968 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17969 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17970 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17971 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17972 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17973 PRAGMA_OMP_THREADPRIVATE.
17974 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17975 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17976 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17977 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17978 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17979 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17980 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17981 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17982 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17983 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17984 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17985 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17986 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17988 (struct nesting_info): Add field_map,
17989 suppress_expansion, debug_var_chain.
17990 (create_nesting_tree): Initialize them.
17991 (lookup_field_for_decl): Use field_map.
17992 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17993 (convert_local_omp_clauses): New.
17994 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17995 (walk_body): Split out of walk_function.
17996 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17997 (convert_nonlocal_reference): Handle omp statements.
17998 (convert_local_reference): Likewise.
17999 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18000 (unnest_nesting_tree): New.
18001 (lower_nested_functions): Call it.
18002 (insert_field_into_struct): Make extern.
18003 (struct walk_stmt_info): Move to tree-gimple.h.
18004 (walk_stmts): Make extern.
18005 * omp-builtins.def: New file.
18006 * tree-iterator.c (expr_only): Clarify comment.
18007 * c-common.h (pushdecl_top_level, pushdecl,
18008 build_modify_expr, build_indirect_ref,
18009 c_finish_omp_master, c_finish_omp_critical,
18010 c_finish_omp_ordered, c_finish_omp_barrier,
18011 c_finish_omp_atomic, c_finish_omp_flush,
18012 c_finish_omp_for, c_split_parallel_clauses,
18013 omp_clause_default_kind, c_omp_sharing_predetermined,
18014 c_omp_remap_decl): Declare.
18015 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18016 (OBJS-common): Add omp-low.o.
18017 (c-omp.o, omp-low.o): Add.
18018 (gimplify.o): Add dependency on $(OPTABS_H).
18019 (GTFILES): Add omp-low.c.
18020 (gt-stringpool.h): Add.
18021 * tree-cfg.c (set_bb_for_stmt): Do not update the
18022 block-to-labels map if we are currently expanding to RTL.
18023 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18025 Handle IDENTIFIER_NODE.
18026 (tree_verify_flow_info): Do not ICE when emitting error
18027 messages about invalid labels.
18028 (dump_function_to_file): Reset CFUN before emitting the body
18030 (debug_function): New.
18031 * passes.c (init_optimization_passes): Schedule
18033 * langhooks-def.h (lhd_omp_predetermined_sharing,
18034 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18036 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18037 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18038 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18039 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18040 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18041 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18042 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18043 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18044 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18045 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18046 (LANG_HOOK_DECLS): Use them.
18048 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18049 Richard Henderson <rth@redhat.com>
18050 Jakub Jelinek <jakub@redhat.com>
18051 Diego Novillo <dnovillo@redhat.com>
18053 * c-parser.c (pragma_omp_clause): Define.
18054 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18055 (c_parser_compound_statement): Likewise.
18056 (c_parser_statement): Likewise.
18057 (c_parser_pragma): Handle omp pragmas.
18058 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18059 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18060 (c_parser_omp_clause_name, check_no_duplicate_clause,
18061 c_parser_omp_variable_list,
18062 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18063 c_parser_omp_clause_copyprivate,
18064 c_parser_omp_clause_default,
18065 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18066 c_parser_omp_clause_lastprivate,
18067 c_parser_omp_clause_nowait,
18068 c_parser_omp_clause_num_threads,
18069 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18070 c_parser_omp_clause_reduction,
18071 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18072 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18073 c_parser_omp_atomic, c_parser_omp_barrier,
18074 c_parser_omp_critical, c_parser_omp_flush,
18075 c_parser_omp_for_loop, c_parser_omp_for,
18076 c_parser_omp_master, c_parser_omp_ordered,
18077 c_parser_omp_sections_scope, c_parser_omp_sections,
18078 c_parser_omp_parallel, c_parser_omp_single,
18079 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18080 * c-pragma.c (init_pragma): Do omp pragma registration here.
18081 * c.opt (fopenmp): New flag.
18083 2006-01-18 Eric Christopher <echristo@apple.com>
18085 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18086 * config/darwin.h (GOMP_SELF_SPECS): Define.
18088 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18090 * rtl.h: Remove the prototype for reg_alloc.
18092 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18095 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18096 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18097 sjlj and dwarf2 exception handling.
18098 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18099 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18100 * pa/pa.c (function_value): Treat complex and vector types as
18102 (function_arg): Likewise. Only pass scalar floats in the floating
18103 point argument registers.
18104 * pa/t-slibgcc-dwarf-ver: New file.
18105 * pa/t-slibgcc-sjlj-ver: New file.
18106 * pa/t-slibgcc-elf-ver: Delete file.
18108 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18110 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18111 unlikely_test_section_p test.
18113 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18115 * mode-switching.c (optimize_mode_switching): Make it static.
18116 * basic-block.h: Remove the prototype for
18117 optimize_mode_switching.
18119 * modulo-sched.c (sms_schedule): Make it static.
18120 * rtl.h: Remove the prototype for sms_schedule.
18122 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18123 * rtl.h: Remove the prototype for gcse_after_reload_main.
18125 * reg-stack.c (reg_to_stack): Make it static.
18126 * rtl.h: Remove the prototype for reg_to_stack.
18128 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18130 * rtl.h: Remove the prototypes for regrename_optimize and
18131 copyprop_hardreg_forward.
18133 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18135 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18136 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18137 Test against the appropriate null constant for the mode.
18138 If 'fixup_overlap' is true, swap the operands if they overlap.
18139 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18140 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18141 alpha_split_tmode_pair and adjust for above change.
18142 * config/alpha/alpha.md (movtf_internal): Adjust call to
18143 alpha_split_tfmode_pair and rely on it to swap the operands.
18144 (movti_internal): New insn and post-reload splitter.
18145 (movti): New expander.
18147 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18149 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18152 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18154 * rtlanal.c (global_reg_mentioned_p_1,
18155 global_reg_mentioned_p): Remove.
18156 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18158 * flow.c (initialize_uninitialized_subregs): Make it static.
18159 * rtl.h: Remove the prototype for
18160 initialize_uninitialized_subregs.
18162 * function.c (instantiate_virtual_regs): Make it static.
18163 * function.h: Remove the prototype for
18164 instantiate_virtual_regs.
18166 * regmove.c (regmove_optimize, combine_stack_adjustments):
18168 * rtl.h: Remove the prototypes for regmove_optimize and
18169 combine_stack_adjustments.
18171 2006-01-17 Roger Sayle <roger@eyesopen.com>
18173 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18174 (size_cost): Encode costs in bytes so that a reg-reg addition is
18175 equivalent to COSTS_N_INSNS(1).
18176 (override_options): Use the size_cost.branch_cost as the default
18177 ix86_branch_cost when optimizing for size.
18179 2006-01-18 Ben Elliston <bje@au.ibm.com>
18181 * Makefile.in (D32PBIT_FUNCS): New.
18182 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18183 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18184 D64PBIT_FUNCS and D128PBIT_FUNCS.
18185 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18186 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18188 (decnumber_dep): Define.
18189 * doc/libgcc.texi (Decimal float library routines): New node.
18190 * config/dfp-bit.h, config/dfp-bit.c: New files.
18192 2006-01-18 Ben Elliston <bje@au.ibm.com>
18194 * expr.c (emit_move_change_mode): Always adjust addresses, not
18195 just during reload. Copy replacements only during reload.
18196 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18197 emit_move_via_integer.
18199 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18201 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18202 instead of $(srcdir) and ${srcdir}.
18204 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18207 PR middle-end/11135
18208 * arm.h (struct machine_function): Add pic_reg.
18209 * arm.c (arm_pic_register): Make unsigned.
18210 (arm_override_options): Only set arm_pic_register if
18211 TARGET_SINGLE_PIC_BASE.
18212 (use_return_insn): Only test for a pic register if it is fixed.
18213 (arm_compute_save_reg0_reg12_mask): Likewise.
18214 (thumb_compute_save_reg_mask): Likewise.
18215 (legitimate_pic_operand): Factor out some known invariants.
18216 (legitimize_pic_address): If we don't have a fixed pic register,
18217 then set up a pseudo in the function entry sequence. Handle the
18218 pic base being in a pseudo.
18219 (arm_load_pic_register): Handle the pic register being in a pseudo.
18220 (arm_expand_prologue): Only set up the pic register if it is fixed.
18221 (thumb_expand_prologue): Likewise.
18222 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18223 (pic_load_addr_based_insn): Likewise.
18224 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18227 2006-01-18 Ben Elliston <bje@au.ibm.com>
18229 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18230 decimal float modes for all floating point registers.
18232 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18233 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18235 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18238 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18239 even when the pointer is not NULL.
18241 2006-01-16 Ian Lance Taylor <ian@airs.com>
18243 * common.opt (ftoplevel-reorder): New option.
18244 * cgraph.c (cgraph_asm_nodes): New global variable.
18245 (cgraph_asm_last_node): New static variable.
18246 (cgraph_order): New global variable.
18247 (cgraph_create_node): Set new order field.
18248 (cgraph_varpool_node): Likewise.
18249 (decide_is_variable_needed): Return true if not
18250 flag_toplevel_reorder.
18251 (cgraph_add_asm_node): New function.
18252 * cgraph.h (struct cgraph_node): Add order field.
18253 (struct cgraph_varpool_node): Add order field.
18254 (struct cgraph_asm_node): Define.
18255 (cgraph_asm_nodes, cgraph_order): Declare.
18256 (cgraph_add_asm_node): Declare.
18257 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18259 (cgraph_varpool_assemble_pending_decls): Call it.
18260 (cgraph_output_pending_asms): New static function.
18261 (cgraph_finalize_compilation_unit): Call it.
18262 (struct cgraph_order_sort): Define.
18263 (cgraph_output_in_order): New static function.
18264 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18265 !flag_toplevel_reorder case.
18266 * c-parser.c: Include "cgraph.h".
18267 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18269 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18270 than -fno-unit-at-a-time.
18271 * doc/invoke.texi (Option Summary): Mention
18272 -fno-toplevel-reorder.
18273 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18274 -funit-at-a-time documentation.
18276 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18277 Kazu Hirata <kazu@codesourcery.com>
18279 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18281 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18283 * Makefile.in (FUNCTION_H): New. Use it instead of
18284 function.h throughout the file.
18285 * function.h: Include tree.h.
18287 2006-01-17 Ben Elliston <bje@au.ibm.com>
18289 * recog.c: Separate some functions with whitespace.
18291 2006-01-16 Richard Henderson <rth@redhat.com>
18293 Merge from gomp branch:
18294 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18295 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18296 and rename from struct inline_data. Rename callee* to dst*;
18297 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18298 transform_new_cfg, transform_return_to_modify, and
18299 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18301 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18302 (copy_decl_for_dup): Remove.
18303 * tree-inline.c (struct inline_data): Move to header.
18304 (insert_decl_map): Export.
18305 (remap_decl): Update for member name changes. Use copy_decl hook.
18306 Allow for replacement to be a non-decl. Remove dead code.
18307 (remap_type_1): Check for existing mapping.
18308 (remap_type): Export.
18309 (remap_decls): Update for member name changes.
18310 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18311 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18312 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18313 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18314 (tree_function_versioning, build_duplicate_type): Likewise.
18315 (copy_body_r): Likewise. Export.
18316 (copy_decl_for_dup): Split into ...
18317 (copy_decl_for_dup_finish, copy_decl_to_var,
18318 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18319 (replace_ref_tree, inlining_p): Remove.
18321 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18323 * ifcvt.c (if_convert): Make it static.
18324 * rtl.h: Remove the prototype for if_convert.
18326 * local-alloc.c (local_alloc): Make it static.
18327 * rtl.h: Remove the prototype for local_alloc.
18329 * loop.c (loop_optimize): Make it static.
18330 * cfgloop.h: Remove the prototype for loop_optimize.
18333 2006-01-16 DJ Delorie <dj@redhat.com>
18335 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18338 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18340 * pa.md: Disparage copies between general and floating-point registers
18341 in 32-bit move patterns.
18343 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18346 * Makefile.in (check-%): Depend on site.exp instead of
18347 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18350 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18352 * global.c (global_alloc): Make it static.
18353 * rtl.h: Remove the prototype for global_alloc.
18355 2006-01-16 Richard Guenther <rguenther@suse.de>
18357 * tree-ssa-alias.c (struct used_part): Add write_only field.
18358 (get_or_create_used_part_for): Initialize it to true.
18359 (create_overlap_variables_for): Don't create structure variables
18360 for structures that only are written to.
18361 (find_used_portions): Handle MODIFY_EXPR to track whether a
18362 structure is only written to.
18364 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18366 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18368 * basic-block.h: Remove the prototype for
18369 partition_hot_cold_basic_blocks.
18371 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18373 * cppspec.c (lang_specific_spec_functions): Remove.
18374 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18375 * gcc.h (lang_specific_spec_functions): Remove.
18376 * gccspec.c (lang_specific_spec_functions): Remove.
18378 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18380 * combine.c (record_value_for_reg): Invalidate registers
18382 (record_dead_and_set_regs_1): Likewise, by passing them to
18383 record_value_for_reg.
18384 (record_dead_and_set_regs): Invalidate stores made by a
18385 call. We do not combine across a call, but we still
18386 relied on equivalences.
18388 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18390 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18391 vrp_int_const_binop returning non-constant nodes.
18393 2006-01-16 Paul Brook <paul@codesourcery.com>
18395 * config/m68k/m68k.c (output_move_const_into_data_reg):
18396 Output correct mnemonic for mvz and mvs.
18398 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18400 * rtl-factoring.c: Add sequence abstraction algorithm.
18401 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18402 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18404 (block_has_preserve_label): New function.
18405 * common.opt: Register new pass.
18406 * Makefile.in: Ditto.
18408 * timevar.def: Ditto.
18409 * tree-pass.h: Ditto.
18410 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18411 * rtl.h (make_jump_insn_raw): Add forward decl.
18412 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18414 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18415 Roger Sayle <roger@eyesopen.com>
18417 * fold-const.c (fold_minmax): New static function.
18418 (fold_binary) <MIN_EXPR>: Call it.
18419 <MAX_EXPR>: Likewise.
18420 * stor-layout.c (place_field): Use DECL_SIZE consistently
18421 in the computation of the new record size.
18423 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18425 * cse.c (cse_condition_code_reg): Make it static.
18426 * rtl.h: Remove the prototype for cse_condition_code_reg.
18428 * combine.c (combine_instructions): Make it static.
18429 * rtl.h: Remove the prototype for combine_instructions.
18431 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18434 * tree.c (get_file_function_name_long): Concatenate the first global
18435 object name with a string derived from the input filename of the object
18438 2006-01-16 Ben Elliston <bje@au.ibm.com>
18440 * config/i386/winnt-stubs.c: Update FSF address.
18441 * config/xtensa/ieee754-df.S: Ditto.
18442 * config/xtensa/ieee754-sf.S: Ditto.
18444 2006-01-14 Ian Lance Taylor <ian@airs.com>
18446 * ifcvt.c (noce_init_if_info): New static function, broken out of
18447 noce_process_if_block.
18448 (noce_process_if_block): Call noce_init_if_info.
18449 (check_cond_move_block): New static function.
18450 (cond_move_process_if_block): New static function.
18451 (process_if_block): Call cond_move_process_if_block.
18453 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18455 * cselib.c (hash_table): Rename to cselib_hash_table.
18456 (cselib_clear_table, discard_useless_values,
18457 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18458 cselib_init, cselib_finish): Adjust uses of hash_table.
18460 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18462 PR tree-optimization/25485
18463 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18464 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18465 is known to be false and true, respectively.
18467 2006-01-14 Richard Guenther <rguenther@suse.de>
18469 PR tree-optimization/22548
18470 PR tree-optimization/22555
18471 PR tree-optimization/22501
18472 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18473 * params.def (salias-max-array-elements): New parameter.
18474 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18475 * doc/invoke.texi (salias-max-array-elements): Document.
18476 * tree-flow-inline.h (var_can_have_subvars): We also handle
18478 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18480 * tree-ssa-structalias.c (params.h): Include.
18481 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18482 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18483 (get_constraint_for): For ADDR_EXPR operating on something
18484 containing an ARRAY_REF, add all subvars to the solution.
18485 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18486 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18487 for creating MUST_DEFs.
18488 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18490 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18492 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18494 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18495 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18496 number_of_iterations_le): New functions.
18497 (number_of_iterations_special): Removed.
18498 (number_of_iterations_exit): Do not use number_of_iterations_special.
18499 * tree.c (unsigned_type_for): Always return integer type.
18501 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18502 Richard Guenther <rguenther@suse.de>
18504 PR rtl-optimization/24257
18505 * gcse.c (find_moveable_store): Only consider a store movable
18506 when the SET_SRC of the insn can be assigned to a register.
18508 2006-01-14 Ian Lance Taylor <ian@airs.com>
18510 * tree.c (tree_not_class_check_failed): New function.
18511 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18512 (tree_not_class_check_failed): Declare.
18514 2006-01-13 Ian Lance Taylor <ian@airs.com>
18516 * reload1.c (do_output_reload): Add assertion rejecting a
18519 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18521 * combine.c (struct reg_stat): Add new fields truncation_label and
18523 (record_value_for_reg): Reset truncated_to_mode.
18524 (record_truncated_value): New function.
18525 (check_promoted_subreg): Call it. Rename to check_conversions.
18526 (combine_instructions): Rename check_promoted_subreg to
18528 (reg_truncated_to_mode): New function.
18529 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18530 (gen_lowpart_or_truncate): New function.
18531 (force_to_mode): Use it instead of gen_lowpart.
18533 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18535 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18536 VAR is a tag, not its type tag.
18538 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18540 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18541 alternatives to match style of other entries.
18542 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18544 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18546 PR tree-optimization/25771
18547 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18550 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18553 * tree-inline.c (declare_return_variable): If the return variable
18554 was marked as a non gimple complex, set the return slot variable
18555 to be a non gimple comple variable.
18557 2006-01-13 Richard Guenther <rguenther@suse.de>
18559 * builtins.c (expand_builtin_sincos): New function.
18560 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18562 (expand_builtin): Expand sincos using expand_builtin_sincos.
18564 2006-01-12 DJ Delorie <dj@redhat.com>
18566 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18567 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18568 so that constant shifts can be split.
18569 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18570 (m32c_valid_pointer_mode): Make static.
18571 (shift_gen_func_for): New.
18572 (m32c_prepare_shift): Use it. Split large const shifts into
18574 * config/m32c/predicates.md (shiftcount_operand): Allow more
18576 (longshiftcount_operand): New.
18577 * doc/md.texi (Machine Constraints): Document In6.
18579 2006-01-13 Ben Elliston <bje@au.ibm.com>
18581 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18582 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18585 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18587 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18588 to try to avoid clobbering pieces of structures when we know
18589 something about the whole structure.
18590 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18592 2006-01-13 Ben Elliston <bje@au.ibm.com>
18594 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18595 return in memory, as this is no limitation is no longer present.
18597 2006-01-12 DJ Delorie <dj@redhat.com>
18599 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18600 mova with fb, and for fb+0 -> An.
18602 * config/m32c/mov.md (peephole2): Fix enabling logic.
18604 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18605 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18606 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18607 FINI_ARRAY_SECTION_ASM_OP): Define.
18609 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18611 (m32c_legitimize_reload_address): New logic to reload FB to An.
18612 (m32c_output_reg_push): Add newline.
18613 (m32c_output_reg_pop): Likewise.
18615 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18617 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18619 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18621 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18623 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18625 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18628 2006-01-11 Ben Elliston <bje@au.ibm.com>
18630 * rtlanal.c (find_reg_note): Assert insn is not null.
18632 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18634 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18637 2006-01-11 Jeff Law <law@redhat.com>
18639 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18641 (mark_threaded_blocks, register_jump_thread): New functions.
18642 (thread_through_all_blocks): Remove unwanted argument. No
18643 longer rely on e->aux to communicate thread target info.
18644 Call mark_threaded_blocks. Release the threaded_blocks
18645 bitmap and threaded_edges vector when complete.
18646 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18647 (threaded_blocks): Remove.
18648 (tree_ssa_dominator_optimize): Remove initialization and
18649 finalization of threaded_blocks. Simplify call to
18650 thread_through_all_blocks.
18651 (thread_across_edge): Call register_jump_thread rather than
18652 storing thread information into e->aux.
18653 (free_all_edge_infos): Simplify now that e->aux is no longer
18654 used to communicate with thread_through_all_blocks.
18655 * tree-flow.h (thread_through_all_blocks): Update prototype.
18656 (register_jump_thread): Prototype.
18658 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18660 * df-core.c (df_compact_blocks, df_bb_replace): Use
18661 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18663 2006-01-11 Richard Guenther <rguenther@suse.de>
18665 PR tree-optimization/25734
18666 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18667 stop propagation after successful propagation to the LHS.
18669 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18671 * basic-block.h (control_flow_graph): Change the type of
18672 x_basic_block_info to VEC(basic_block,gc) *.
18673 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18675 (SET_BASIC_BLOCK): New.
18676 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18677 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18678 * cfgbuild.c (find_basic_blocks): Likewise.
18679 * cfglayout.c (fixup_reorder_chain): Likewise.
18680 * cfgrtl.c (create_basic_block_structure,
18681 rtl_create_basic_block): Likewise.
18682 * ifcvt.c (find_if_case_1): Likewise.
18683 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18686 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18688 * Makefile.in: Removed rotted odf.c entry.
18690 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18693 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18694 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18695 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18696 output pattern modifier, not %e.
18697 * config/cris/cris.c (cris_op_str): Update comment about pattern
18699 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18700 before falling through into...
18701 <case 'E'>: Redefined from old 'e' case.
18703 2006-01-11 Jan Hubicka <jh@suse.cz>
18706 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18708 2006-01-11 Jan Hubicka <jh@suse.cz>
18710 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18711 * i386.c (x86_decompose_lea): Kill.
18712 (ix86_rtx_costs): Kill.
18714 2006-01-11 Jan Hubicka <jh@suse.cz>
18716 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18717 * cgraph.h (cgraph_node): Add inline_decl.
18718 (cgraph_insert_node_to_hashtable): Declare.
18719 (save_inline_function_body): Declare.
18720 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18722 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18723 (cgraph_function_versioning): Update call of tree_function_versioning.
18724 (save_inline_function_body): New function.
18725 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18726 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18727 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18728 (cgraph_default_inline_p): Likewise.
18729 (cgraph_decide_inlining_incrementally): Likewise.
18730 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18731 (copy_bb): Kill saving; do updating of clones.
18732 (copy_cfg_body): Kill saving.
18733 (initialize_inlined-parameters): Likewise.
18734 (expand_call_inline): Likewise.
18736 (tree_function_versioning): New parameter "update_clones".
18737 (inlining_p): Kill saving.
18738 * tree-inline.h (tree_function_versioning): Update prototype.
18739 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18742 2006-01-11 Ian Lance Taylor <ian@airs.com>
18744 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18745 Allow undoing set of machine mode.
18746 (do_SUBST): Use enums instead of is_int.
18747 (do_SUBST_MODE): New function.
18748 (SUBST_MODE): New macro.
18749 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18750 reg and trying to replace reg_regno_rtx with a new register.
18751 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18752 (simplify_set): Use SUBST_MODE.
18753 (distribute_notes): Remove code that tried to update reg notes
18754 for regno_reg_rtx changes.
18756 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18758 PR tree-optimization/23109
18759 PR tree-optimization/23948
18760 PR tree-optimization/24123
18762 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18763 * tree-cfg.c (single_noncomplex_succ): New.
18764 * tree-flow.h (single_noncomplex_succ): Declare it.
18765 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18766 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18767 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18768 insert_bb, register_division_in, insert_reciprocals,
18769 replace_reciprocal, free_bb): New.
18770 (execute_cse_reciprocals_1): Rewritten.
18771 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18772 Do not commit any edge insertion. Always compute dominators and
18773 create the allocation pool.
18774 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18775 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18776 * targhooks.c (default_min_divistions_for_recip_mul): New.
18777 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18778 * passes.c (init_optimization_passes): Run recip after tree loop
18780 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18782 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18783 Kenneth Zadeck <zadeck@naturalbridge.com>
18785 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18786 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18787 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18788 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18789 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18790 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18791 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18792 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18793 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18794 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18795 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18796 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18797 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18798 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18799 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18800 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18801 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18802 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18803 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18804 DF_SCAN_POST_ALLOC): New macros.
18805 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18806 df_free_bb_function, df_local_compute_function, df_init_function,
18807 df_dataflow_function, df_confluence_function_0,
18808 df_confluence_function_n, df_transfer_function,
18809 df_finalizer_function, df_free_function, df_dump_problem_function,
18810 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18811 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18812 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18813 df_urec_bb_info, ) New types.
18814 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18816 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18817 df_analyze_simple_change_some_blocks,
18818 df_analyze_simple_change_one_block, df_compact_blocks,
18819 df_bb_replace, df_bb_regno_last_use_find,
18820 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18821 df_insn_regno_def_p, df_find_def, df_find_use,
18822 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18823 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18824 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18825 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18826 debug_df_chain, df_get_dependent_problem, df_chain_create,
18827 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18828 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18829 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18830 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18831 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18832 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18833 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18834 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18835 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18836 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18837 df_reorganize_refs, df_set_state, df_hard_reg_init,
18838 df_read_modify_subreg_p) New public functions.
18839 * df-core.c: The core dataflow solver and glue routines for rtl
18841 (df_init, df_add_problem, df_set_blocks, df_finish,
18842 df_hybrid_search_forward, df_hybrid_search_backward,
18843 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18844 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18845 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18846 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18847 df_reg_defined, df_find_use, df_reg_used, df_dump,
18848 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18849 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18850 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18851 debug_df_useno, reset_df_after_reload): New functions.
18852 * df-scan.c: The scanning fuctions, once in df.c, completely
18853 rewritten so that they now fully model the functionality of
18854 register usage at the backend.
18855 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18856 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18857 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18858 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18859 df_get_artificial_defs, df_get_artificial_uses,
18860 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18861 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18862 df_refs_delete, df_reorganize_refs, df_set_state,
18863 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18864 df_def_record_1, df_defs_record, df_uses_record,
18865 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18866 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18867 df_record_exit_block_uses, df_hard_reg_init): New functions.
18869 * df-problems.c: Seven concrete dataflow problems that use the
18870 scanning in df-scan.c and are solved by the engine in df-core.c.
18871 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18872 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18873 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18874 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18875 df_ru_free_bb_info, df_ru_alloc,
18876 df_ru_bb_local_compute_process_def,
18877 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18878 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18879 df_ru_transfer_function, df_ru_free, df_ru_dump,
18880 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18881 df_rd_free_bb_info, df_rd_alloc,
18882 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18883 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18884 df_rd_transfer_function, df_rd_free, df_rd_dump,
18885 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18886 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18887 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18888 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18889 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18890 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18891 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18892 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18893 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18894 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18895 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18896 df_urec_mark_reg_use_for_earlyclobber,
18897 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18898 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18899 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18900 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18901 df_chain_create_bb_process_use, df_chain_create_bb,
18902 df_chain_finalize, df_chain_free, df_chains_dump,
18903 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18904 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18905 df_reg_lifetime): New functions.
18906 * df.c: Deleted file.
18907 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18908 consistent with new df api.
18909 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18910 rest_of_handle_sms): Ditto.
18911 * web.c (unionfind_union, union_defs, entry_register, web_main):
18913 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18914 invariant_expr_equal_p, find_defs, check_dependencies,
18915 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18916 free_inv_motion_data, move_loop_invariants): Ditto.
18917 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18918 Update dependencies.
18919 (odf.c): Added defective entry that was deleted later in day.
18920 * sched-deps.c (sched_analyze_1): Ditto.
18922 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18924 * tree-ssa-operands.c (get_expr_operands): Record addressable
18925 variables directly. Do not call add_stmt_operands for CONST_DECLs
18927 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18928 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18930 2006-01-11 Ben Elliston <bje@au.ibm.com>
18932 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18933 function returns true in the positive case.
18935 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18938 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18939 for SI, DI, SF and DF modes. Add alternatives to copy between
18940 general and floating point registers to the 32-bit patterns.
18941 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18942 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18943 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18944 generating 64-bit code.
18945 * config/pa/pa.c (output_move_double): Handle copies between general
18946 and floating registers.
18948 2006-01-10 Stuart Hastings <stuart@apple.com>
18950 * config/i386/i386.md (set_got): Update.
18951 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18952 (builtin_setjmp_receiver): Mach-O support.
18953 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18954 (GOT_SYMBOL_NAME): Define.
18955 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18956 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18957 * config/i386/i386.c (override_options): Revise for Darwin.
18958 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18959 support. (darwin_x86_file_end): New. (output_set_got): Add label
18960 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18961 * config/i386/i386-protos.h (output_set_got): Likewise.
18962 * config/darwin.c (machopic_legitimize_pic_address): Update
18965 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18967 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18968 when MODE isn't BLKmode.
18970 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18972 PR rtl-optimization/25367
18973 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18975 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18978 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18979 for a negative bound.
18981 2006-01-10 Richard Guenther <rguenther@suse.de>
18983 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18984 Never override with anything constraint.
18986 2006-01-10 Jan Beulich <jbeulich@novell.com>
18988 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18989 256 bits when optimize_size.
18991 2006-01-10 Jan Beulich <jbeulich@novell.com>
18993 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18995 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18996 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18999 2006-01-10 Ben Elliston <bje@au.ibm.com>
19001 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19003 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19004 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19005 (USE_FP_FOR_ARG): Reject decimal float modes.
19006 (function_arg_advance): Likewise.
19007 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19008 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19009 point types in AltiVec vectors.
19010 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19011 (rs6000_libcall_value): Likewise.
19013 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19015 * config/xtensa/ieee754-df.S: New file.
19016 * config/xtensa/ieee754-sf.S: New file.
19017 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19018 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19019 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19021 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19023 * config/sh/predicates.md (binary_float_operator,
19024 binary_logical_operator, commutative_float_operator,
19025 equality_comparison_operator, greater_comparison_operator,
19026 less_comparison_operator, logical_operator,
19027 noncommutative_float_operator, shift_operator,
19028 symbol_ref_operand, unary_float_operator): Remove redundant
19031 2006-01-09 Jeff Law <law@redhat.com>
19033 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19034 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19035 now unused arguments. Callers updated.
19036 (eliminate_redundant_computations): Remove now unused arguments,
19038 (local_fold): Remove, no longer used.
19039 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19041 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19042 (simplify_cond): New function.
19043 (forward_propagate_into_cond): Call simplify_cond.
19045 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19047 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19048 (*vec_extractv2di_1_sse): New.
19050 2006-01-09 Ben Elliston <bje@au.ibm.com>
19052 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19054 2006-01-08 Richard Guenther <rguenther@suse.de>
19056 * tree-ssa-structalias.c (get_constraint_for): Remove
19057 anyoffset argument.
19058 (get_constraint_for_component_ref): Likewise.
19059 (do_deref): Likewise.
19060 (get_constraint_for): Likewise.
19061 (do_structure_copy): Likewise.
19062 (handle_ptr_arith): Likewise.
19063 (find_func_aliases): Likewise. Remove unused need_anyoffset
19066 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19067 Kaz Kojima <kkojima@gcc.gnu.org>
19069 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19070 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19071 (EXTRA_CONSTRAINT_C16): Remove.
19072 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19073 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19074 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19075 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19076 constants of SHmedia. Handle nested constant expressions of
19078 (andcosts): Fix the costs for SHmedia constants.
19079 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19080 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19081 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19082 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19083 (movv4hi_i, movv2si_i): Likewise.
19084 (movsi_const): Adjust the second operand of ior so to match with
19085 the Csu constraint.
19086 (movdi_const, movdi_const_32bit): Likewise.
19087 (movdi_const_16bit+1): Don't sign-extend LOW.
19088 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19090 (*double_shori): Fix the split condition. Use GEN_INT instead
19091 of get_int_mode calls. Mask lower 16-bit of the argument of
19093 (sym2GOTPLT): Remove.
19094 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19096 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19097 instead of EXTRA_CONSTRAINT_C16.
19099 2006-01-07 Ian Lance Taylor <ian@airs.com>
19100 David Edelsohn <edelsohn@gnu.org>
19102 PR rtl-optimization/25662
19103 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19104 for constant operands instead of simplify_gen_binary.
19105 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19106 after trying simplify_binary_operation
19108 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19110 * tree.c (iterative_hash_expr): Hash decls based on UID.
19112 2006-01-06 Eric Christopher <echristo@apple.com>
19114 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19115 (TARGET_UNWIND_EMIT): Fix spelling.
19116 * target.h (gcc_target): Add except_table_label.
19117 * except.c (output_function_exception_table): Use.
19118 * varasm.c (default_emit_except_table_label): New.
19119 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19121 (asm_out): Add here.
19122 * output.h (default_emit_except_table_label): Prototype.
19123 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19124 * config/darwin.c (darwin_emit_except_table_label): Define.
19125 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19127 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19129 PR tree-optimization/18527
19130 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19131 number_of_iterations_special, number_of_iterations_exit):
19132 Move base and step of an iv to a single structure. Add
19133 no_overflow flag, and use it in # of iterations analysis.
19134 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19135 folded_casts argument.
19136 (simple_iv): Pass base and step in a structure. Set no_overflow
19138 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19139 Evaluate expensiveness of computing # of iterations instead of
19140 the final expression.
19141 * tree-scalar-evolution.h (affine_iv): New structure.
19142 (simple_iv): Declaration changed.
19143 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19144 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19145 find_givs_in_stmt): Changed due to simple_iv change.
19147 2006-01-06 Jeff Law <law@redhat.com>
19150 * tree-cfg.c (bsi_replace): Rename final argument from
19151 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19152 change (stmt -> orig_stmt).
19153 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19154 (bsi_remove): Add new argument. Remove EH information
19156 (verify_eh_throw_table_statements): New function.
19157 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19159 * tree-optimize.c (execute_free_cfg_annotations): Verify
19160 the EH throw statement table after removing annotations.
19161 * except.h (verify_eh_throw_table_statements): Prototype.
19162 * tree-flow.h (bsi_remove): Update prototype.
19163 * tree-vrp.c (remove_range_assertions): Add new argument to
19165 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19166 * tree-complex.c (expand_complex_div_wide): Likewise.
19167 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19168 * tree-tailcall.c (eliminate_tailcall): Likewise.
19169 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19170 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19171 * tree-nrv.c (tree_nrv): Likewise.
19172 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19173 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19174 (combine_blocks): Likewise.
19175 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19176 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19177 (cleanup_control_flow): Likewise.
19178 (remove_forwarder_block): Likewise.
19179 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19180 * tree-sra.c (sra_replace): Likewise.
19181 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19182 (forward_propagate_single_use_vars): Likewise.
19183 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19184 * tree-inline.c (expand_call_inline): Likewise.
19185 * tree-vect-transform.c (vect_transform_loop): Likewise.
19186 * tree-outof-ssa.c (rewrite_trees): Likewise.
19187 * tree-cfg.c (make_goto_expr_edges): Likewise.
19188 (cleanup_dead_labels): Likewise.
19189 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19190 (bsi_move_before, bsi_move_after): Likewise.
19191 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19192 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19194 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19197 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19199 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19200 on non gimple variables. Also add checks at the top for decls and
19202 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19204 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19205 and IMAGPART_EXPR for creating MUST_DEFs.
19206 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19207 and NAME_MEMORY_TAG separately from the DECLs.
19209 2006-01-06 Richard Guenther <rguenther@suse.de>
19211 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19212 annotation, if necessary.
19213 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19214 redundant calls to update_stmt.
19215 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19218 2006-01-05 Richard Henderson <rth@redhat.com>
19220 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19222 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19224 * c-typeck.c: Update copyright date.
19226 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19228 * c-typeck.c (build_c_cast): Always warn when casting
19229 from a pointer to an integer of different size, even if
19230 the node was constant.
19232 2006-01-05 Richard Guenther <rguenther@suse.de>
19234 PR tree-optimization/22555
19235 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19236 if one structure field is an array.
19237 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19238 operands even if we found a subvar, but ignore VOPs in this
19240 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19242 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19244 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19246 PR middle-end/24998
19247 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19249 2006-01-05 Richard Guenther <rguenther@suse.de>
19250 Diego Novillo <dnovillo@redhat.com>
19252 * tree-pass.h (TODO_remove_unused_locals): Define.
19253 * gimple-low.c (expand_var_p, remove_useless_vars,
19254 pass_remove_useless_vars): Remove. Update all users.
19255 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19256 (remove_unused_locals): New function.
19257 * tree-flow.h (remove_unused_locals): Declare.
19258 * passes.c (execute_todo): Call remove_unused_locals if
19259 TODO_remove_unused_locals is set.
19260 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19261 * tree-ssa-dce.c (pass_dce): Likewise.
19262 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19264 2006-01-05 Richard Guenther <rguenther@suse.de>
19266 * tree-flow.h (struct fieldoff): Decompose field to
19267 type, size and decl.
19268 * tree-ssa-alias.c (create_sft): Take type as parameter.
19269 (create_overlap_variables_for): Store type, size and decl
19270 in the fieldoff structure.
19271 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19272 of struct fieldoff.
19273 (push_fields_onto_fieldstack): Likewise.
19274 (create_variable_info_for): Likewise. Use offset for the
19275 SFT name if the decl is not available.
19277 2006-01-04 Paul Brook <paul@codesourcery.com>
19279 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19281 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19283 * lambda-code.c (can_put_in_inner_loop): Relax
19285 (can_put_after_inner_loop): New function.
19286 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19287 (perfect_nestify): Change to make copies and modify uses.
19289 2006-01-04 Richard Henderson <rth@redhat.com>
19291 Merge from gomp branch:
19292 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19293 via integer constant.
19294 (pragma_lex): Remove.
19295 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19296 rather than parsing it.
19297 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19298 handle_pragma_extern_prefix): Add %< %> quotes.
19299 (registered_pragmas): New.
19300 (c_register_pragma_1): New.
19301 (c_register_pragma): Use it.
19302 (c_register_pragma_with_expansion): Likewise.
19303 (c_invoke_pragma_handler): New.
19304 (init_pragma): Use cpp_register_deferred_pragma directly for
19306 * c-pragma.h (enum pragma_kind): New.
19307 (pragma_handler): New.
19308 (c_invoke_pragma_handler): Declare.
19309 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19311 * c-common.h (c_common_pch_pragma): Update decl.
19312 * Makefile.in (c-parser.o): Update dependencies.
19313 (GTFILES): Add c-pragma.h.
19314 * c-parser.c (struct c_token): Add pragma_kind.
19315 (struct c_parser): Add in_pragma.
19316 (c_lex_one_token): Always initialize keyword and pragma_kind.
19317 Extract data for CPP_PRAGMA.
19318 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19319 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19320 Don't allow CPP_PRAGMA_EOL if in_pragma.
19321 (c_parser_consume_pragma): New.
19322 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19323 (c_parser_skip_to_end_of_parameter): Likewise.
19324 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19325 (c_parser_skip_to_pragma_eol): New.
19326 (c_parser_external_declaration): Handle CPP_PRAGMA.
19327 (c_parser_compound_statement_nostart): Likewise.
19328 (c_parser_statement_after_labels): Likewise.
19329 (c_parser_pragma): New.
19330 (pragma_lex): Likewise.
19331 (c_parser_pragma_pch_preprocess): New.
19332 (c_parser_new): Merge into ...
19333 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19335 2006-01-04 Jeff Law <law@redhat.com>
19338 * tree-cfg.c (bsi_replace): Remove the original statement
19339 from the EH throw statement table.
19341 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19343 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19344 make the prototype extern "C" and add throw ().
19347 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19348 and pos non-negative and pos + len <= 32.
19349 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19350 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19351 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19354 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19355 as well as sizes not multiple of component size.
19358 * function.c (instantiate_expr): New function.
19359 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19360 walk its DECL_VALUE_EXPR with instantiate_expr.
19362 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19363 DW_OP_deref{,_size} if address isn't going to be added.
19365 2006-01-04 Ben Elliston <bje@au.ibm.com>
19367 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19368 * config/fp-bit.c: Likewise.
19370 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19372 * dominance.c: Add comment about why we use DFS numbering
19375 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19376 Richard Henderson <rth@redhat.com>
19378 Merge from gomp-branch:
19379 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19380 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19382 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19384 PR rtl-optimization/25578
19385 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19386 pass a parameter to simplify_shift_const if changing ASHIFTRT
19389 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19391 * builtins.c (get_builtin_sync_mem): New function.
19392 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19393 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19394 Call get_builtin_sync_mem to generate mem rtx.
19396 2006-01-03 Richard Guenther <rguenther@suse.de>
19399 * stmt.c (add_case_node): Make sure to clear overflow flags
19402 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19404 Merge from gomp-branch.
19405 * config/sparc/sync.md: New file.
19406 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19407 UNSPECV_LDSTUB): New constants.
19408 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19409 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19410 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19413 2006-01-03 Roger Sayle <roger@eyesopen.com>
19415 * combine.c (reg_subword_p): New predicate to test whether the
19416 destination of a set refers to a subword/piece of a register.
19417 (try_combine): Generalize the code to merge the setting of a
19418 pseudo to a constant followed by a set of a subword of that
19419 register to a constant.
19421 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19423 * basic-block.h (control_flow_graph): Change the type of
19424 x_label_to_block_map to VEC(basic_block,gc) *.
19425 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19426 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19428 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19429 VEC(basic_block,heap) *.
19430 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19431 ssa_prop_fini): Adjust the uses of cfg_blocks.
19433 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19435 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19437 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19438 hashing trees instead of a pointer hash.
19439 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19440 compare for MEM_EXPR.
19442 PR rtl-optimization/25130
19443 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19444 when comparing MEMs for GCSE
19446 2006-01-03 Ben Elliston <bje@au.ibm.com>
19448 * targhooks.h (default_decimal_float_supported_p): Declare.
19449 * targhooks.c (default_decimal_float_supported_p): Define.
19450 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19451 `default_decimal_float_supported_p'.
19452 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19454 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19456 * combine.c (apply_distributive_law <SUBREG>): Check
19457 TRULY_NOOP_TRUNCATION.
19459 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19461 * dwarf2out.c (have_switched_text_section): Delete.
19462 (have_multiple_function_sections): New.
19463 (have_location_lists): Make 'bool'.
19464 (add_AT_loc_list): Use 'true' not '1'.
19465 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19466 (output_loc_list): Use have_multiple_function_sections.
19467 (output_ranges): Likewise.
19468 (dwarf2out_begin_function): Set have_multiple_function_sections if
19470 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19471 Check function_section rather than DECL_SECTION_NAME.
19472 (dwarf2out_finish): Use have_multiple_function_sections.
19473 Don't clear have_location_lists.
19475 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19476 Jan Hubicka <jh@suse.cz>
19478 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19479 case of conditional jump jumping to the next instruction.
19480 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19481 cases of conditional jump jumping to the next instruction.
19483 2006-01-02 Jan Hubicka <jh@suse.cz>
19485 * i386.c (*_cost): Add COSTS_N_INSNS.
19486 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19488 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19491 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19493 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19495 * config/arm/arm.c (all_fpus): Fix comment typo.
19496 * config/darwin.c: Likewise.
19497 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19498 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19499 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19501 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19503 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19504 (rs6000_split_compare_and_swapqhi): New.
19505 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19506 (sync_compare_and_swapqhi_internal): New.
19507 * config/rs6000/rs6000-protos.h: Declare.