1 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4 * ipa-pure-const.c (check_tree): If the original tree
5 is volatile return early and say the function is not pure
6 nor const. Remove the volatile check for writes.
7 (analyze_function): Print out the result of the local
10 2006-11-24 Joseph Myers <joseph@codesourcery.com>
12 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
14 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
15 * config/rs6000/rs6000.c (rs6000_override_options): Use
16 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
19 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
21 * config/s390.c (s390_emit_compare_and_swap): New function.
22 (s390_expand_cs_hqi, s390_expand_atomic): Call
23 s390_emit_compare_and_swap.
25 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
27 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
29 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
33 * c-common.c (conversion_warning): New.
34 (convert_and_check): Call conversion_warning unless there is an
36 * doc/invoke.texi (-Wconversion): Update description.
38 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
40 * tree-ssa-alias.c (tree_pointer_compare): New function.
41 (compact_name_tags): New function.
42 (group_aliases): Call compact_name_tags.
44 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
46 * real.h (real_isinteger): Declare.
47 * real.c (real_isinteger): Define.
48 * builtins.c (integer_valued_real_p): Use it.
50 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
53 * c.opt (Wtraditional-conversion): New.
54 (Wconversion): Update description.
55 * c-typeck.c (convert_arguments): Warnings for prototypes causing
56 type conversions different from what would happen in the absence
57 of prototype are now handled by Wtraditional-conversion.
58 * doc/invoke.texi (Wtraditional-conversion): New.
59 (Wconversion): Update description.
60 * doc/trouble.texi (Wconversion): Replace Wconversion by
61 Wtraditional-conversion.
63 2006-11-23 Andrew Pinski <pinskia@gmail.com>
65 * predict.c (tree_estimate_probability): Check to make
66 sure current_loops is non null before calling flow_loops_dump.
68 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
70 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
72 2006-11-23 David Ung <davidu@mips.com>
74 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
76 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
77 (ASM_SPEC): Pass along -mfp32 and -mfp64.
78 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
79 high part of FP register when in 64-bit FP register mode. Similarly
80 use gen_mfhc1 to load high part of FP register.
81 (override_options): Allow -mgp32 and -mfp64 combination if
82 ISA_HAS_MXHC1 (currently for O32 only).
83 (mips_cannot_change_mode_class): If floating-point registers are
84 bigger than word size. disallow conversion of float register from a
85 large integer mode to a float mode smaller than the float register
87 (mips_class_max_nregs): Handle float registers case seperately.
88 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
90 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
91 (movdf_hardfloat_32bit): Similarly.
92 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
93 support a full 64-bit fpu.
94 (mthc1): New pattern to generate MTHC1 instruction.
95 (mfhc1): New pattern to generate MFHC1 instruction.
96 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
97 option for the MIPS32R2 and mention its use under O32 ABI.
99 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
101 * var-tracking.c (emit_note_insn_var_location): Take care not to
102 cause verify_flow_info failures.
104 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
106 * tree-ssa-structalias.c: Remove edge weights in favor of just
107 processing them as complex constraints.
108 (struct constraint_graph): Remove weighted succs and preds. Rename
109 nonweighted succs and preds.
110 (constraint_edge): Removed.
111 (constraint_edge_t): Ditto.
112 (constraint_edge_pool): Ditto.
113 (new_constraint_edge): Ditto.
114 (constraint_edge_equal): Ditto.
115 (constraint_edge_less): Ditto.
116 (constraint_edge_vec_find): Ditto.
117 (erase_self_graph_edge): Ditto.
118 (add_graph_edge): Removed.
119 (get_graph_weights): Ditto.
120 (allocate_graph_weights): Ditto. (
121 (valid_weighted_graph_edge): Ditto
122 (bitmap_other_than_zero_bit_set): Ditto.
123 (int_add_graph_edge): Renamed to add_graph_edge.
124 (clear_edges_for_node): Remove support for weighted edges.
125 (merge_graph_nodes): Ditto.
126 (valid_graph_edge): Ditto.
127 (build_constraint_graph): Ditto.
129 (collapse_nodes): Ditto.
130 (process_unification_queue): Ditto.
132 (do_ds_constraint): Ditto.
133 (perform_var_subsitution): Ditto.
134 (solve_graph): Ditto.
135 (init_alias_vars): Ditto.
136 (delete_points_to_sets): Ditto.
137 (do_complex_constraint): Support offsetted copies here.
139 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
141 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
143 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
145 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
148 2006-11-23 Ben Elliston <bje@au.ibm.com>
150 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
152 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
154 PR tree-optimization/29921
155 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
156 signed and unsigned zero equal.
158 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
160 * config/rs6000/rs6000.c (get_store_dest): New.
161 (adjacent_mem_locations): Use get_store_dest() to get
162 the rtl of the store destination.
164 2006-11-22 Joseph Myers <joseph@codesourcery.com>
166 * config/rs6000/spe.md (SPE64): New mode macro.
167 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
169 (mov_si<mode>_e500_subreg0_2): New.
170 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
172 (mov_si<mode>_e500_subreg4_2): New.
173 * config/rs6000/predicates.md (input_operand): Do not allow
174 invalid E500 subregs.
175 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
177 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
178 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
179 involving vector modes if TARGET_SPE.
181 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
184 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
185 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
187 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
189 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
190 mem_i_address_operand): New predicates.
191 * config/bfin/bfin.c (bfin_issue_rate): New function.
192 (TARGET_SCHED_ISSUE_RATE): New macro.
193 * config/bfin/bfin.md (addrtype): New attribute.
194 (slot0, slot1, slot2, store, pregs): New cpu_units.
195 (core): Now a define_reservation.
196 (alu): Remove some insn types from this reservation.
197 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
199 (dummy reservation): Don't trigger for mcld insns.
200 (absence_sets): Two new absence sets to enforce slot ordering.
201 (popsi_insn): Set addrtype.
203 2006-11-22 Ira Rosen <irar@il.ibm.com>
205 * doc/c-tree.texi: Document new tree codes.
206 * doc/md.texi: Document new optabs.
207 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
209 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
210 * optabs.h (optab_index): Add new.
211 (vec_extract_even_optab, vec_extract_odd_optab,
212 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
213 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
214 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
216 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
217 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
218 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
219 along with macros for their access.
220 * tree-data-ref.h (first_location_in_loop, data_reference): Update
222 * tree-vect-analyze.c (toplev.h): Include.
223 (vect_determine_vectorization_factor): Fix indentation.
224 (vect_insert_into_interleaving_chain,
225 vect_update_interleaving_chain, vect_equal_offsets): New functions.
226 (vect_analyze_data_ref_dependence): Add argument for interleaving
227 check. Check for interleaving if it's true.
228 (vect_check_dependences): New function.
229 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
230 every ddr. Call vect_analyze_data_ref_dependence with new argument.
231 (vect_update_misalignment_for_peel): Update for interleaving.
232 (vect_verify_datarefs_alignment): Check only first data-ref for
234 (vect_enhance_data_refs_alignment): Update for interleaving. Check
235 only first data-ref for interleaving.
236 (vect_analyze_data_ref_access): Check interleaving, update
238 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
239 with different parameters.
240 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
241 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
242 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
243 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
244 Update step in case of interleaving.
245 (vect_strided_store_supported, vect_permute_store_chain): New
247 (vectorizable_store): Handle strided stores.
248 (vect_strided_load_supported, vect_permute_load_chain,
249 vect_transform_strided_load): New functions.
250 (vectorizable_load): Handle strided loads.
251 (vect_transform_stmt): Add argument. Handle strided stores. Check
252 that vectorized stmt exists for patterns.
253 (vect_gen_niters_for_prolog_loop): Update calculation for
255 (vect_transform_loop): Remove stmt_vec_info for strided stores after
256 whole chain vectorization.
257 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
258 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
259 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
260 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
261 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
263 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
265 * cse.c (enum taken): Remove PATH_AROUND.
266 (addr_affects_sp_p, invalidate_skipped_set,
267 invalidate_skipped_block): Remove.
268 (cse_end_of_basic_block): Remove skip_blocks and related code.
269 (cse_main): Don't test for flag_cse_skip_blocks.
270 Update cse_end_of_basic_block call.
271 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
272 code to lengthen the path if a jump was simplified.
274 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
276 PR rtl-optimization/29924
277 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
278 (unroll_loop_runtime_iterations): Assert that the argument passed to
279 split_edge_and_insert is not NULL.
280 * loop-doloop.c (add_test): Ditto.
282 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
284 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
286 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
287 * cfgloopmanip.c (update_single_exits_after_duplication,
288 update_single_exit_for_duplicated_loop, loop_version): Ditto.
289 * tree-scalar-evolution.c (get_loop_exit_condition,
290 get_exit_conditions_rec, loop_closed_phi_def,
291 number_of_iterations_in_loop, scev_const_prop): Ditto.
292 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
293 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
295 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
297 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
298 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
299 slpeel_make_loop_iterate_ntimes,
300 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
301 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
303 * tree-if-conv.c (if_convertible_loop_p): Ditto.
304 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
305 vect_analyze_loop_form): Ditto.
306 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
307 can_convert_to_perfect_nest, perfect_nestify): Ditto.
308 * tree-vect-transform.c (vect_create_epilog_for_reduction,
309 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
310 vect_transform_loop): Ditto.
311 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
312 (single_exit, set_single_exit): New functions.
313 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
314 (single_exit, set_single_exit): Declare.
315 * doc/loop.texi: Undocument single_exit field. Document single_exit
318 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
320 PR tree-optimization/29902
321 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
322 any involved ssa name appears in abnormal phi node.
324 2006-11-21 Bob Wilson <bob.wilson@acm.org>
326 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
327 (xtensa_const_ok_for_letter_p): Delete.
328 (xtensa_extra_constraint): Delete.
329 (override_options): Delete xtensa_char_to_class initialization.
330 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
331 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
332 (EXTRA_CONSTRAINT): Delete.
333 * config/xtensa/xtensa.md: Include constraints.md.
334 (call_internal): Combine alternatives.
335 (call_value_internal): Likewise, and remove invalid constraints.
336 * config/xtensa/constraints.md: New file.
337 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
338 (xtensa_extra_constraint): Delete.
339 * doc/md.texi (Machine Constraints): Refer to constraints.md for
342 2006-11-21 Janis Johnson <janis187@us.ibm.com>
344 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
345 of conversion that doesn't fit.
347 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
348 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
349 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
351 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
353 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
355 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
357 2006-11-21 Richard Guenther <rguenther@suse.de>
359 * tree-vectorizer.h (NUM_PATTERNS): Increase.
360 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
361 vect_recog_pow_pattern.
362 (vect_recog_pow_pattern): New function.
364 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
366 * config/bfin/bfin.opt (mstack-check-l1): New.
367 * doc/invoke.texi (Blackfin Options): Document it.
368 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
369 stack bounds in L1 memory if the new option is enabled.
370 (override_options): Don't allow combinations of -fstack-limit and
372 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
375 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
377 (bfin_register_move_cost): Bump costs if trying to move plain
378 integer values through accumulators.
380 2006-11-21 Ben Elliston <bje@au.ibm.com>
382 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
384 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
385 Russell Olsen <Russell_Olsen@playstation.sony.com>
386 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
387 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
388 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
389 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
390 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
392 * config.gcc: Add target for SPU.
393 * config/spu/constraints.md: New file.
394 * config/spu/crt0.c: New file.
395 * config/spu/crtend.c: New file.
396 * config/spu/crti.asm: New file.
397 * config/spu/crtn.asm: New file.
398 * config/spu/float_unsdidf.c: New file.
399 * config/spu/float_unssidf.c: New file.
400 * config/spu/predicates.md: New file.
401 * config/spu/spu-builtins.def: New file.
402 * config/spu/spu-builtins.h: New file.
403 * config/spu/spu-builtins.md: New file.
404 * config/spu/spu-c.c: New file.
405 * config/spu/spu-elf.h: New file.
406 * config/spu/spu-modes.def: New file.
407 * config/spu/spu-protos.h: New file.
408 * config/spu/spu.c: New file.
409 * config/spu/spu.h: New file.
410 * config/spu/spu.md: New file.
411 * config/spu/spu.opt: New file.
412 * config/spu/spu_internals.h: New file.
413 * config/spu/spu_intrinsics.h: New file.
414 * config/spu/spu_mfcio.h: New file.
415 * config/spu/t-spu-elf: New file.
416 * config/spu/vec_types.h: New file.
417 * config/spu/vmx2spu.h: New file.
418 * doc/contrib.texi: Document SPU contributor.
419 * doc/extend.texi: Document SPU extensions.
420 * doc/invoke.texi: Document SPU options.
421 * doc/md.texi: Document SPU constraints.
423 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
425 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
427 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
429 (flow_loop_dump): Do not dump loop level.
430 (flow_loops_find): Do not call flow_loops_level_compute.
431 * cfgloop.h (struct loop): Remove level field.
433 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
435 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
436 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
437 Use vector of edges instead of array.
438 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
439 estimate_numbers_of_iterations_loop): Ditto.
440 * predict.c (predict_loops): Ditto.
441 * loop-unroll.c (analyze_insns_in_loop): Ditto.
442 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
444 * basic-block.h: Declare heap allocation for edge vectors.
445 * tree-outof-ssa.c: Ditto.
446 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
447 * cfgloop.h (get_loop_exit_edges): Declaration changed.
449 2006-11-20 Zack Weinberg <zackw@panix.com>
451 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
452 Add another out parameter, "skip".
453 (set_gc_used_type): Adjust calls to process_gc_options. If a field
454 is tagged "skip", do not mark its type used.
456 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
459 * tree-sra.c (single_scalar_field_in_record_p): New function.
460 (decide_block_copy): Use it.
462 2006-11-20 David Daney <ddaney@avtrex.com>
464 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
465 PC to point to following instruction.
467 2006-11-20 Anatoly Sokolov <aesok@post.ru>
471 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
473 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
475 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
477 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
478 Add sh/superh.h to tm_file.
480 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
481 Mark Mitchell <mark@codesourcery.com>
483 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
485 (cpp_relocated): New function.
486 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
488 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
489 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
490 replace configured prefix with gcc_exec_prefix.
492 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
494 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
495 bfin_legitimate_constant_p.
496 * config/bfin/bfin.md (movsi expander): Check return value of
498 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
499 (expand_move): Adjust prototype.
500 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
501 invalid constants specially.
502 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
504 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
506 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
507 sibcall_value_symbol): Allow these patterns if
508 TARGET_LEAF_ID_SHARED_LIBRARY.
509 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
510 (override_options): Turn on id shared library flags if -msep-data,
511 but disallow the combination of these options on the command line.
512 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
513 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
514 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
516 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
517 * doc/invoke.texi (Blackfin Options): Document new switches.
519 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
520 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
522 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
523 inflate costs for addresses with an out-of-bounds address.
525 2006-11-19 Andrew Pinski <pinskia@gmail.com>
528 * fwprop.c (loops): Remove.
529 (forward_propagate_into): Use current_loops instead of
531 (fwprop_init): Call loop_optimizer_init instead of
533 (fwprop_done): Call loop_optimizer_finalize instead of
535 (fwprop): Use current_loops instead of loops.
537 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
540 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
542 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
545 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
546 larger than BITS_PER_WORD.
548 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
552 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
553 to MAX_FIXED_MODE_SIZE.
555 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
557 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
558 (fold_builtin_fmin_fmax): New.
559 (fold_builtin_1): Use it.
561 * fold-const.c (fold_strip_sign_ops): Handle copysign.
563 2006-11-18 Richard Guenther <rguenther@suse.de>
565 * config/i386/i386.c (ix86_builtins): New array for ix86
566 builtin function decls.
567 (def_builtin): New function.
568 (def_builtin_const): Likewise.
569 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
571 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
573 * doc/invoke.texi (core2): Add item.
575 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
577 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
578 (TARGET_CPU_DEFAULT_generic): Change value.
579 (TARGET_CPU_DEFAULT_NAMES): Add core2.
580 (processor_type): Add new constant PROCESSOR_CORE2.
582 * config/i386/i386.md (cpu): Add core2.
584 * config/i386/i386.c (core2_cost): New initialized variable.
585 (m_CORE2): New macro.
586 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
587 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
588 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
589 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
590 x86_partial_reg_dependency, x86_memory_mismatch_stall,
591 x86_accumulate_outgoing_args, x86_prologue_using_move,
592 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
593 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
594 x86_use_incdec, x86_four_jump_limit, x86_schedule,
595 x86_pad_returns): Add m_CORE2.
596 (override_options): Add entries for Core2.
597 (ix86_issue_rate): Add case for Core2.
599 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
601 * doc/invoke.texi: Fix mno-isel typo.
603 2006-11-18 Joseph Myers <joseph@codesourcery.com>
605 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
606 easy vector constant loads.
608 2006-11-18 Joseph Myers <joseph@codesourcery.com>
610 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
611 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
612 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
613 * config/rs6000/sync.md (lwsync): Emit plain sync if
616 2006-11-17 DJ Delorie <dj@redhat.com>
618 * reload1.c (reloads_unique_chain): New.
619 (reloads_conflict): Call it.
621 2006-11-17 Bob Wilson <bob.wilson@acm.org>
623 * config/xtensa/predicates.md (addsubx_operand): New.
624 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
625 (xtensa_emit_bit_branch): New.
626 (xtensa_emit_movcc): New.
627 * config/xtensa/xtensa.md (any_minmax): New code macro.
628 (minmax): New code attribute.
629 (any_cond, any_scc, any_scc_sf): New code macros.
630 (*addx2, *addx4, *addx8): Delete.
632 (*subx2, *subx4, *subx8): Delete.
634 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
635 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
636 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
637 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
638 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
639 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
640 (movsfcc_internal0, movsfcc_internal1): Likewise.
641 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
642 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
643 (xtensa_emit_bit_branch): New.
644 (xtensa_emit_movcc): New.
645 (function_arg_boundary): Add missing prototype.
647 2006-11-17 Bob Wilson <bob.wilson@acm.org>
649 * config/xtensa/xtensa.md (tstsi): Delete
651 2006-11-17 Bob Wilson <bob.wilson@acm.org>
653 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
655 2006-11-17 Bob Wilson <bob.wilson@acm.org>
657 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
659 2006-11-17 Bob Wilson <bob.wilson@acm.org>
661 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
663 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
665 * tree-vrp.c (execute_vrp): Do not update current_loops.
666 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
667 * doc/loop.texi: Remove documentation for cancelled functions.
668 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
669 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
671 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
672 (remove_path): Ensure that in delete_basic_blocks, the loops
674 (add_loop): Work on valid loop structures.
675 (loopify): Modify call of add_loop.
676 (mfb_update_loops): Removed.
677 (create_preheader): Do not update loops explicitly.
678 (force_single_succ_latches, loop_version): Do not use
679 loop_split_edge_with.
680 (loop_split_edge_with): Removed.
681 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
682 Do not use bsi_insert_on_edge_immediate_loop.
683 (split_loop_exit_edge, tree_unroll_loop): Do not use
684 loop_split_edge_with.
685 (bsi_insert_on_edge_immediate_loop): Removed.
686 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
687 use loop_split_edge_with.
688 * cfghooks.c: Include cfgloop.h.
689 (verify_flow_info): Verify that loop_father is filled iff current_loops
691 (redirect_edge_and_branch_force, split_block, delete_basic_block,
692 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
694 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
696 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
697 loop_split_edge_with.
698 (sms_schedule): Use current_loops.
699 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
700 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
702 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
703 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
704 * ifcvt.c (if_convert): Ditto.
705 * predict.c (predict_loops): Do not clear current_loops.
706 (tree_estimate_probability): Use current_loops.
707 (propagate_freq): Receive head of the region to propagate instead of
709 (estimate_loops_at_level): Do not use shared to_visit bitmap.
710 (estimate_loops): New function. Handle case current_loops == NULL.
711 (estimate_bb_frequencies): Do not allocate tovisit. Use
713 * tree-ssa-loop.c (current_loops): Removed.
714 (tree_loop_optimizer_init): Do not return loops.
715 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
716 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
717 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
718 Do not update loops explicitly.
719 * function.h (struct function): Add x_current_loops field.
720 (current_loops): New macro.
721 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
722 * loop-unroll.c (split_edge_and_insert): New function.
723 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
724 use loop_split_edge_with.
725 * loop-doloop.c (add_test, doloop_modify): Ditto.
726 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
727 * cfglayout.c (copy_bbs): Do not update loops explicitly.
728 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
729 * tree-vect-transform.c (vect_transform_loop): Do not update loops
731 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
732 (flow_loops_free): Do not free dfs_order and rc_order.
733 (flow_loops_find): Do not set dfs_order and rc_order in loops
734 structure. Do not call loops and flow info verification.
735 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
736 already belongs to some loop.
737 * cfgloop.h (struct loops): Remove struct cfg.
738 (current_loops, loop_split_edge_with): Declaration removed.
739 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
740 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
742 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
743 * basic-block.h (split_edge_and_insert): Declare.
744 * tree-cfg.c (remove_bb): Do not update loops explicitly.
746 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
748 PR tree-optimization/29801
749 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
750 (get_default_value): Use get_symbol_constant_value.
751 (set_lattice_value): ICE when the value of the constant is
753 (visit_assignment): Ignore VDEFs of read-only variables.
755 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
757 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
759 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
760 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
762 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
764 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
765 select subvars of var.
767 2006-11-17 Jakub Jelinek <jakub@redhat.com>
770 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
771 optimize if DEF doesn't have integral type.
773 2006-11-16 Mike Stump <mrs@apple.com>
775 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
776 pre-darwin9 system, unless the user asks for it directly.
777 (PREFERRED_DEBUGGING_TYPE): Likewise.
778 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
779 * config.gcc: Add suppport for darwin9.h.
780 * config/darwin9.h: Add.
781 * doc/install.texi (Specific): Clarify darwin documentation.
783 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
785 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
788 2006-11-16 Mike Stump <mrs@apple.com>
790 * Makefile.in (targhooks.o): Add $(OPTABS_H).
792 2006-11-16 Dirk Mueller <dmueller@suse.de>
794 * tree-vrp.c (get_value_range): Use XCNEW instead
796 (insert_range_assertions): Use XCNEWVEC instead
797 of XNEWVEC and memset.
798 (vrp_initialize): Same.
799 (vrp_finalize): Same.
800 * tree-ssa-ccp.c (ccp_initialize): Same.
801 * predict.c (tree_bb_level_predictions): Same.
802 * calls.c (expand_call): Same.
803 * tree-ssa-copy.c (init_copy_prop): Same.
804 (fini_copy_prop): Same.
805 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
806 of GGC_NEW and memset.
808 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
811 * gimplify.c (gimplify_expr): Only force a load for references to
812 non-BLKmode volatile values.
813 * doc/implement-c.texi (Qualifiers implementation): Document the
814 interpretation of what a volatile access is.
815 * doc/extend.texi (C++ Extensions): Rework same documentation.
817 2006-11-16 Joseph Myers <joseph@codesourcery.com>
819 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
822 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
824 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
826 (arm_neg_abssi2): Renamed from neg_abssi2.
827 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
829 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
831 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
832 number of arguments passed to local functions in SSE registers is 3.
834 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
835 number of arguments passed in SSE registers to 3.
837 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
840 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
842 (get_last_bb_insn): ... new global function.
843 (basic_block.h): Declare it.
844 * haifa-sched.c (create_recovery_block): Use it.
846 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
849 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
851 2006-11-15 Paul Brook <paul@codesourcery.com>
853 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
854 _Unwind_GetTextRelBase): Move from here ...
855 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
856 _Unwind_GetTextRelBase): ... To here.
858 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
860 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
861 addresses we generate for testing are aligned.
863 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
866 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
867 to what is the const decl is a place holder for.
869 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
871 * config/i386/i386.opt: New target option -mx87regparm.
873 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
874 and float_in_x87 variables. mmx_words, sse_words: Remove.
875 (X87_REGPARM_MAX): Define.
877 * config/i386/i386.c (override_options): Error out for
878 -mx87regparm but no 80387 support.
879 (ix86_attribute_table): Add x87regparm.
880 (ix86_handle_cconv_attribute): Update comments for x87regparm.
881 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
882 (ix86_function_x87regparm): New function.
883 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
885 (init_cumulative_args): Initialize x87_nregs and float_in_x87
887 (function_arg_advance): Process x87_nregs and x87_regno when
888 floating point argument is to be passed in 80387 register.
889 (function_arg): Pass XFmode arguments in 80387 registers for local
890 functions. Pass SFmode and DFmode arguments to local functions
891 in 80387 registers when flag_unsafe_math_optimizations is set.
893 * reg-stack.c (convert_regs_entry): Disable NaN load for
894 stack registers that are used for argument passing.
896 * doc/extend.texi: Document x87regparm function attribute.
897 * doc/invoke.texi: Document -mx87regparm.
899 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
901 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
902 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
903 arg MODE; all callers changed. Use it to determine validity per
904 machine mode instead of using Pmode for all memory references.
905 (get_address_cost): Likewise add and use new arg MEM_MODE.
907 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
908 J"orn Rennecke <joern.rennecke@st.com>
910 * combine.c (likely_spilled_retval_1): Fix masking operation.
911 (likely_spilled_retval_p): Use proper pattern for call to
912 likely_spilled_retval_1.
914 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
916 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
918 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
919 that tests for CONSTANT_POOL_ADDRESS_P.
921 2006-11-15 Jakub Jelinek <jakub@redhat.com>
923 PR tree-optimization/29581
924 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
925 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
926 type is different between Y and USE, create a temporary
927 variable, initialize it at the beginning of the body bb
928 and use it as replacement instead of Y.
930 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
933 * gimplify.c (fold_indirect_ref_rhs): Use
934 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
936 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
938 * expmed.c (emit_store_flag_1): New function.
939 (emit_store_flag): Call it. If we can't find a suitable scc insn,
941 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
942 Use do_compare_rtx_and_jump.
943 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
944 * arm.md (cstoresi4): New define_expand.
945 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
946 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
947 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
949 2006-11-14 Caroline Tice <ctice@apple.com>
951 * dwarf2out.c (debug_pubtypes_section): New static global variable.
952 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
954 (pubname_table): Redefine as a vector.
955 (pubtype_table): New static global variable, defined as a vector.
956 (pubname_table_allocated): Remove static global variable.
957 (pubname_table_in_use): Remove static global variable.
958 (PUBNAME_TABLE_INCREMENT): Remove constant.
959 (size_of_pubnames): Add parameter to deal with either pubnames or
960 pubtypes, and change code to deal with table being a vector.
961 (add_pubname): Change to deal with table being a vector.
962 (add_pubtype): New function.
963 (output_pubnames): Add parameter to deal with either pubnames or
964 pubtypes, and change code to deal with table being a vector.
965 (gen_array_type_die): Add call to add_pubtype.
966 (gen_enumeration_type_die): Add call to add_pubtype.
967 (gen_struct_or_union_type_die): Add call to add_pubtype.
968 (gen_subroutine_type_die): Add call to add_pubtype.
969 (gen_typedef_die): Add call to add_pubtype.
970 (dwarf2out_init): Add code to initialize pubname_table and
971 pubtype_table vectors; also initialize debug_pubtypes_section.
972 (prune_unused_types): Change to deal with pubnames being a vector.
973 (dwarf2out_finish): Change to deal with pubnames being a vector; add
974 pubnames table to call to output_pubnames; Add code to output pubtypes
975 table if DEBUG_PUBTYPES_SECTION is defined.
976 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
978 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
980 2006-11-14 Joseph Myers <joseph@codesourcery.com>
982 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
983 iwmmxt_nregs if TARGET_IWMMXT_ABI.
984 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
985 movv2si_internal): Support moves between core registers.
987 2006-11-14 Eric Christopher <echristo@apple.com>
989 * configure: Regenerate with autoconf 2.59.
991 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
993 Fix PR tree-optimization/27755
995 * tree-ssa-pre.c: Update comments.
996 (bb_bitmap_sets): Add pa_in and deferred member.
997 (BB_DEFERRED): New macro.
998 (maximal_set): New variable.
999 (pre_stats): Add pa_insert member.
1000 (bitmap_set_and): Short circuit orig == dest.
1001 (bitmap_set_subtract_values): New function.
1002 (bitmap_set_contains_expr): Ditto.
1003 (translate_vuses_through_block): Add phiblock argument.
1004 (dependent_clean): New function.
1005 (compute_antic_aux): Update for maximal_set changes.
1006 (compute_partial_antic_aux): New function.
1007 (compute_antic): Handle partial anticipation.
1008 (do_partial_partial_insertion): New function.
1009 (insert_aux): Handle partial anticipation.
1010 (add_to_sets): Add to maximal set.
1011 (compute_avail): Ditto.
1012 (init_pre): Initialize maximal_set.
1013 (execute_pre): Do partial anticipation if -O3+.
1015 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1017 PR rtl-optimization/29798
1019 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1020 TARGET_INSN before any other check.
1021 (fwprop_init): Always calculate dominators.
1022 (fwprop_done): Always free them.
1024 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1026 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1029 2006-11-13 DJ Delorie <dj@redhat.com>
1031 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1032 temporary for intermediates.
1034 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1036 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1037 (sh_optimize_target_register_callee_saved): #if 0 the code
1038 using NOTE_INSN_LOOP_{BEG,END}.
1040 2006-11-13 Roger Sayle <roger@eyesopen.com>
1042 * fold-const.c (optimize_bit_field_compare): Recursively call
1043 fold when simplifying non-constant comparisons between bit-fields.
1045 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1047 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1049 * configure: Rebuilt.
1051 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1053 * config/rs6000/cell.md: New file.
1054 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1056 (ppccell_cost): New cost matrix.
1057 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1058 (rs6000_override_options): Set rs6000_always_hint to false
1059 for cell. Also align functions/lables/loops to 8byte
1060 for the Cell. Use PROCESSOR_CELL.
1061 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1062 using_mtcr_multiple.
1063 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1064 on the Cell, return 0.
1065 (rs6000_adjust_cost): Add Cell cost adjustments.
1066 (is_microcoded_insn): Return true for Cell microcoded
1068 (is_nonpipeline_insn): New function.
1069 (rs6000_issue_rate): Add PROCESSOR_CELL.
1070 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1072 (rs6000_use_sched_lookahead_guard): New function.
1073 (rs6000_sched_reorder): Reorder the ready list, if the second
1074 to last ready insn is a nonepipeline insn on the Cell.
1075 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1076 (ASM_CPU_SPEC): Add Cell.
1077 * config/rs6000/rs6000.md (cpu): Add Cell.
1078 (cell_micro): New Attr.
1081 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1083 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1085 * configure: Rebuilt.
1087 2006-11-13 Richard Guenther <rguenther@suse.de>
1089 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1091 (ix86_expand_lfloorceil): Likewise.
1092 (ix86_expand_rint): Likewise.
1093 (ix86_expand_floorceildf_32): Likewise.
1094 (ix86_expand_floorceil): Likewise.
1095 (ix86_expand_rounddf_32): Likewise.
1096 (ix86_expand_truncdf_32): Likewise.
1097 (ix86_expand_round): Likewise.
1099 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1100 Mark Mitchell <mark@codesourcery.com>
1102 * gcc.c: Organize search path variables into $prefix relative,
1103 and well-known native. Add comments.
1104 (add_sysrooted_prefix): Add comment.
1105 (process_command): If !gcc_exec_prefix add $prefix based paths.
1106 If *cross_compile == '0', add native well-known paths.
1107 Assert tooldir_base_prefix is always relative.
1108 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1109 use this value for 'install:' path.
1110 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1112 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1114 * config/i386/i386.c: Fix a typo in comment.
1116 2006-11-13 Michael Matz <matz@suse.de>
1118 * genemit.c (gen_expand): Allocate enough memory.
1120 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1122 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1123 __GXX_TYPEINFO_EQUALITY_INLINE but not
1124 __GXX_MERGED_TYPEINFO_NAMES.
1125 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1126 __GXX_MERGED_TYPEINFO_NAMES.
1127 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1128 __GXX_TYPEINFO_EQUALITY_INLINE.
1130 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1131 Zdenek Dvorak <dvorakz@suse.cz>
1133 PR tree-optimization/29680
1134 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1137 2006-11-12 Jason Merrill <jason@redhat.com>
1138 Andrew Pinski <pinskia@physics.uc.edu>
1141 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1143 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1145 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1146 * tree.c (build_vector): Handle non-_CST elements.
1148 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1150 * genemit.c (gen_insn): Call gen_exp with a non-null used
1151 when handling multiple insns.
1152 (gen_expand): Likewise.
1153 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1154 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1155 (movsi_const_16bit+1): Copy operands[1].
1156 (call_pcrel): Copy the call_site pattern.
1157 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1159 2006-11-12 Roger Sayle <roger@eyesopen.com>
1161 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1162 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1163 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1164 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1166 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1168 Fix PR tree-optimization/29587
1169 * tree-ssa-structalias.c (process_constraint): Don't
1170 mark address taken due only to escaped vars constraint.
1172 2006-11-12 Michael Matz <matz@suse.de>
1173 Roger Sayle <roger@eyesopen.com>
1175 PR rtl-optimization/29797
1176 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1177 BITS_BIG_ENDIAN targets.
1179 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1181 * builtins.c (fold_builtin_cosh): New.
1182 (fold_builtin_1): Use it.
1183 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1184 trunc to the list of "odd" functions. Also add llrint, lrint,
1185 rint and nearbyint when flag_rounding_math is false.
1187 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1189 * tree-flow.h (name_mappings_registered_p): Declare.
1190 * tree-into-ssa.c (name_mappings_registered_p): New function.
1191 * tree-cfg.c (tree_can_merge_blocks_p): Check
1192 name_mappings_registered_p instead of need_ssa_update_p.
1194 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1196 * tree-ssa-loop.c (tree_vectorize): Return the result of
1198 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1199 if anything changed.
1200 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1201 * tree-flow.h (vectorize_loops): Declaration changed.
1203 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1205 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1207 (issue_prefetch_ref): Move assignment to write_p out of loop.
1208 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1209 SIMULTANEOUS_PREFETCHES into account.
1210 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1211 * lambda-code.c (lcm): Renamed to ...
1212 (least_common_multiple): ... and exported.
1213 * tree-flow.h (least_common_multiple): Declare.
1215 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1217 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1218 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1219 ud-chains. Handle AND_EXPR.
1220 (record_estimate): Record whether the estimate is realistic
1221 and whether it is derived from a loop exit.
1222 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1223 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1225 (compute_estimated_nb_iterations): Take only realistic bounds into
1226 account. Set estimate_state. Use double_ints.
1227 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1228 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1229 that do not have to be always executed.
1230 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1231 to determine whether to call infer_loop_bounds_from_undefined
1232 and compute_estimated_nb_iterations.
1233 (n_of_executions_at_most): Use double_ints.
1234 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1235 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1236 * double-int.c (double_int_to_tree): Improve comment.
1237 (double_int_fits_to_tree_p): New function.
1238 * double-int.h (double_int_fits_to_tree_p): Declare.
1239 * tree-data-ref.c: Include langhooks.h.
1240 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1241 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1242 (analyze_array): Do not pass estimate_only argument to
1243 analyze_array_indexes.
1244 (get_number_of_iters_for_loop): Build tree from the stored double_int
1246 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1247 (find_data_references_in_loop): Use find_data_references_in_stmt.
1248 * tree-data-ref.h (struct data_ref_loc_d): New.
1249 (get_references_in_stmt): Declare.
1250 (estimate_iters_using_array): Declaration removed.
1251 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1252 double_int. Improve comments. Add is_exit and realistic
1254 (struct loop): Changed type of estimated_nb_iterations to double_int.
1255 Added estimate_state field.
1256 (record_estimate): Declaration removed.
1258 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1260 * params.c (set_param_value): Initialize the "set" field.
1261 * params.h (struct param_info): Add "set" field.
1262 (PARAM_SET_P): New macro.
1263 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1264 L1_CACHE_LINE_SIZE): New macros.
1265 * toplev.c (DEFPARAM): Initialize the "set" field.
1266 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1267 SIMULTANEOUS_PREFETCHES): Removed.
1268 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1269 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1270 * config/sparc/sparc.c: Include params.h.
1271 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1272 L1_CACHE_LINE_SIZE parameters.
1273 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1275 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1277 * config/i386/i386.c: Include params.h.
1278 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1279 (override_options): Set SIMULTANEOUS_PREFETCHES and
1280 L1_CACHE_LINE_SIZE parameters.
1281 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1282 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1283 L1_CACHE_LINE_SIZE parameters.
1284 * config/ia64/ia64.c (ia64_optimization_options): Set
1285 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1286 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1288 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1289 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1290 * doc/invoke.texi: Document new params.
1292 2006-11-12 Roger Sayle <roger@eyesopen.com>
1294 PR tree-optimization/13827
1295 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1298 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1300 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1301 update_single_exit_for_duplicated_loops): New functions.
1302 (duplicate_loop_to_header_edge): Use
1303 update_single_exit_for_duplicated_loops.
1304 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1305 functions only with ENABLE_CHECKING.
1307 2006-11-12 Andreas Schwab <schwab@suse.de>
1309 * except.c (sjlj_emit_function_enter): Remove unused variable.
1311 2006-11-11 Roger Sayle <roger@eyesopen.com>
1313 * fold-const.c (int_binop_types_match_p): New function.
1314 (size_binop): Relax constraint that both arguments must both have
1315 exactly the same sizetype type. Instead use int_binop_types_match_p.
1316 (size_diffop): Likewise.
1318 (make_range): Use build_int_cst instead of fold_convert.
1319 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1320 integer constants of the correct type.
1321 (fold_div_compare): Likewise.
1322 (fold_single_bit_test): Likewise.
1323 (fold_binary): Likewise.
1324 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1325 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1327 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1330 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1331 non null value if the struct memory access is in the 0th
1334 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1337 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1338 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1341 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1342 instead of builtin_define for bfin and BFIN.
1344 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1346 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1349 2006-11-11 Jan Hubicka <jh@suse.cz>
1351 * extended.texi (__builtin_expect): We no longer require second argument
1353 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1354 * builtins.c (expand_builtin_expect): Simplify.
1355 (expand_builtin_expect_jump): Kill.
1356 * final.c (final_scan_insn): Do not skip the removed notes.
1357 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1358 EXPECTED_VALUE): Remove.
1359 * dojump.c (do_jump): Do not care about __builtin_expect.
1360 * predict.c (expected_value_to_br_prob): Kill.
1361 * function.c (expand_function_end): Do not expand
1362 NOTE_INSN_REPEATED_LINE_NUMBER.
1363 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1364 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1365 * cfgexpand.c (add_reg_br_prob_note): Export.
1366 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1367 expected_value_to_br_prob.
1368 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1369 * rtl.h (add_reg_br_prob_note): Declare.
1371 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1373 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1375 2006-11-11 Jan Hubicka <jh@suse.cz>
1377 * predict.c (predict_loops): Kill RTL variant.
1379 2006-11-11 Jan Hubicka <jh@suse.cz>
1381 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1382 * modulo-sched.c (find_line_note): Remove.
1383 (loop_canon_p): Do not worry about line number notes.
1384 (sms_schedule): Likewise.
1385 * cse.c (cse_main): Likewise.
1386 * regmove.c (fixup_match_1): Likewise
1387 * function.c (emit_return_info_block): Likewise.
1388 (expand_function_end): Likewise.
1389 (thread_prologue_an_epilogue_insns): Likewise.
1390 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1392 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1393 emit_note_copy_after): Kill.
1394 (emit_note_copy): Do not worry about line numbers.
1395 * jump.c (purge_line_number_notes): Kill.
1396 (pass_purge_lineno_notes): Kill.
1397 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1399 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1400 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1401 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1402 * tree-pass.h (pass_purge_lineno_notes): Kill.
1403 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1404 rm_redundant_line_notes.
1405 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1406 rm_redundant_line_notes.
1407 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1408 * haifa-sched.c: Update comment about handling notes.
1409 (unlink_line_notes): Kill.
1410 (rm_line_notes): Kill.
1411 (save_line_notes): Simplify.
1412 (rm_redundant_line_notes): Kill.
1414 2006-11-11 Richard Guenther <rguenther@suse.de>
1416 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1417 Remove unused tree codes.
1418 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1419 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1420 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1421 * tree.c (stabilize_reference): Likewise.
1422 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1423 fold_unary): Likewise.
1424 * tree-gimple.c (is_gimple_cast): Likewise.
1425 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1426 * expr.c (expand_expr_real_1): Likewise.
1427 * tree-eh.c (tree_could_trap_p): Likewise.
1428 * gimplify.c (gimplify_expr): Likewise.
1429 * tree-inline.c (estimate_num_insns_1): Likewise.
1430 * tree-cfg.c (verify_expr): Likewise.
1432 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1434 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1435 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1436 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1438 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1441 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1442 constraints accept neither registers or memories.
1444 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1446 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1447 (NO_PROFILE_COUNTERS): Define as 1.
1449 2006-11-10 Roger Sayle <roger@eyesopen.com>
1451 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1452 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1454 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1456 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1458 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1460 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1461 (fold_builtin_hypot): Likewise.
1462 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1464 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1466 2006-11-10 Roger Sayle <roger@eyesopen.com>
1468 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1469 when attempting to build INTEGER_CSTs of non-integral types.
1470 * expmed.c (make_tree): Use the correct type, i.e. the inner
1471 type, when constructing the individual elements of a CONST_VECTOR.
1473 2006-11-10 Jan Hubicka <jh@suse.cz>
1475 * cse.c (cse_process_notes): Copy the propagated value.
1476 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1478 * gcse.c (try_replace_reg): Copy the replacement.
1479 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1480 (assign_386_stack_local): Always return copied memory expression
1481 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1484 2006-11-10 Jan Hubicka <jh@suse.cz>
1486 * final.c (final): Walk from first instruction.
1487 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1489 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1492 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1494 (umulv8hi3_highpart): Ditto.
1495 (vec_widen_smult_hi_v8hi): New expander.
1496 (vec_widen_smult_lo_v8hi): Ditto.
1498 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1501 * builtins.c (do_mpfr_arg3): New.
1502 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1504 2006-11-09 Eric Christopher <echristo@apple.com>
1509 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1510 * config.gcc (powerpc64-*-darwin*): New target.
1511 * config.host: Ditto.
1512 * config/rs6000/darwin64.h: New file.
1513 * config/rs6000/x-darwin64: Ditto.
1514 * config/rs6000/host-ppc64-darwin.c: Ditto.
1516 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1518 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1519 routines for integer division.
1521 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1523 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1525 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1528 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1530 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1532 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1533 simplify_subreg with BLKmode outer mode.
1535 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1537 * doc/invoke.texi: Minor formatting fixes in option lists.
1539 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1541 PR tree-optimization/29738
1542 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1543 (ccp_lattice_t): Remove UNKNOWN_VAL.
1544 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1545 Do not handle UNKNOWN_VAL.
1546 (get_default_value): Set initial value of virtual operands to
1548 (get_value): Always use get_default_value on uninitialized
1550 (set_value_varying, surely_varying_stmt_p): New functions.
1551 (set_lattice_value): Do not pass argument to get_value.
1552 Do not handle UNKNOWN_VAL.
1553 (likely_value): Follow the semantics described in the comment.
1554 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1555 phi nodes DONT_SIMULATE_AGAIN.
1556 (ccp_fold): Do not pass argument to get_value.
1557 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1560 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1562 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1563 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1565 2006-11-08 Roger Sayle <roger@eyesopen.com>
1567 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1568 test for inclusion rather than as a test for exclusion.
1569 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1570 the condition after calling fold_binary.
1571 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1572 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1573 * builtins.c (fold_builtin_isascii): Likewise.
1574 (fold_builtin_isdigit): Likewise.
1576 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1578 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1579 * configure: Regenerate.
1581 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1583 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1584 enum argument instead of bool.
1585 (vect_analyze_operations): Call vectorizable_type_promotion.
1586 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1587 stmt_vec_info_type value.
1588 (supportable_widening_operation, vectorizable_type_promotion): New
1589 function declarations.
1590 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1591 (vectorizable_type_promotion): New function.
1592 (vect_transform_stmt): Call vectorizable_type_promotion.
1593 * tree-vect-analyze.c (supportable_widening_operation): New function.
1594 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1596 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1599 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1600 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1601 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1603 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1604 * expr.c (expand_expr_real_1): Likewise.
1605 * optabs.c (optab_for_tree_code): Likewise.
1606 (init_optabs): Initialize new optabs.
1607 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1608 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1609 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1610 vec_unpacku_lo_optab): Initialize new optabs.
1611 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1612 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1613 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1615 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1616 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1617 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1618 (vec_unpacku_lo_optab): New optabs.
1619 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1620 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1621 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1622 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1623 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1624 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1626 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1627 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1628 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1629 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1630 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1631 implement the unsigned unpacking patterns.
1632 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1633 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1634 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1635 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1636 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1637 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1638 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1639 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1640 multiplication patterns.
1642 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1643 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1644 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1645 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1646 (rs6000_builtin_mul_widen_odd): New.
1647 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1648 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1649 * tree-vectorizer.h (enum vect_relevant): New enum type.
1650 (_stmt_vec_info): Field relevant chaned from bool to enum
1652 (STMT_VINFO_RELEVANT_P): Updated.
1653 (STMT_VINFO_RELEVANT): New.
1654 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1655 instead of STMT_VINFO_RELEVANT_P.
1656 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1657 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1658 and boolean variable with enum vect_relevant.
1659 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1660 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1661 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1663 2006-11-08 Richard Henderson <rth@redhat.com>
1665 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1666 vec_widen_umult_lo_v8hi): New.
1667 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1668 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1670 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1671 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1672 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1673 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1674 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1675 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1676 vec_unpacks_lo_v4si): New.
1678 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1680 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1681 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1682 (vect_analyze_operations): Call vectorizable_type_demotion.
1683 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1684 stmt_vec_info_type value.
1685 (vectorizable_type_demotion): New function declaration.
1686 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1689 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1690 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1692 * tree-iniline.c (estimate_num_insns_1): Likewise.
1693 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1694 * optabs.c (optab_for_tree_code): Likewise.
1696 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1697 compared against the predicate of the result is not 'mode' (the input
1698 to the function) but a mode with half the size of 'mode'.
1699 (init_optab): Initialize new optabs.
1700 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1702 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1704 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1705 (vec_pack_usat_optab): Initialize new optabs.
1706 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1707 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1709 2006-11-08 Richard Henderson <rth@redehat.com>
1711 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1712 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1713 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1714 (vec_interleave_highv4si, vec_interleave_lowv4si):
1715 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1717 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1719 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1721 (vect_transform_stmt): Removed redundant code.
1723 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1725 * tree-vect-transform.c (vectorizable_operation): Support multiple
1728 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1730 * tree-vect-transform.c (vect_align_data_ref): Removed.
1731 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1732 Updated function documentation. Return the increment stmt in ptr_incr.
1733 (bump_vector_ptr): New function.
1734 (vect_get_vec_def_for_stmt_copy): New function.
1735 (vect_finish_stmt_generation): Create a stmt_info to newly created
1737 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1739 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1740 VF is greater than the number of elements that can fit in one vector
1742 (vectorizable_operation, vectorizable_condition): Likewise.
1743 (vectorizable_store, vectorizable_load): Support the case that the VF
1744 is greater than the number of elements that can fit in one vector word.
1745 (vect_transform_loop): Don't fail in case of multiple data-types.
1746 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1747 in case of multiple data-types; the smallest type determines the VF.
1748 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1749 if they are of different sizes.
1750 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1751 number of elements rather than number of bytes.
1752 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1753 (vect_can_advance_ivs_p): Fix a dump printout
1755 2006-11-07 Eric Christopher <echristo@apple.com>
1757 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1758 (__bswapsi2): Ditto.
1759 * libgcc2.h: Remove transformation of bswap routines.
1760 * config/i386/i386.md (bswapsi2): New.
1763 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1765 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1766 (handle_gnu_inline_attribute): New function.
1767 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1768 (merge_decls, start_decl, start_function): Likewise.
1769 * doc/extend.texi: Document gnu_inline attribute.
1771 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1774 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1775 _fixunstfdi, and _floatditf
1777 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1779 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1781 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1782 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1783 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1784 which start in an odd register.
1786 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1788 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1790 2006-11-07 Josh Conner <jconner@apple.com>
1792 * doc/invoke.texi (fstrict-aliasing): Move implementation
1794 * doc/tree-ssa.texi (Alias analysis): ...here.
1796 2006-11-07 Richard Guenther <rguenther@suse.de>
1798 PR tree-optimization/29610
1799 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1800 of tree_purge_dead_eh_edges as it may free dominators.
1802 * g++.dg/other/pr29610.C: New testcase.
1804 2006-11-07 David Ung <davidu@mips.com>
1806 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1807 costs when optimizing for size.
1808 (override_options): Use mips_rtx_cost_optimize_size table for cost
1811 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1813 * gcc.c (process_command): Treat -b as normal switch if its argument
1816 2006-11-07 David Ung <davidu@mips.com>
1818 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1821 2006-11-06 Eric Christopher <echristo@apple.com>
1823 * config.gcc: Add x86_64-darwin host support.
1824 * config.host: Ditto.
1825 * config/i386/darwin64.h: New file.
1826 * config/i386/t-darwin64: Ditto.
1828 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1830 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1831 and output-exists-not.
1833 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1836 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1837 checking for overflow.
1839 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1841 * configure.ac: Fixed typo in case statement: :: changed to ;;
1843 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1845 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1846 count_leading_zeros, and count_trailing_zeros.
1847 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1848 (TARGET_FOLD_BUILTIN): Define.
1849 (TARGET_EXPAND_BUILTIN): Define.
1850 (xtensa_init_builtins): New.
1851 (xtensa_fold_builtin): New.
1852 (xtensa_expand_builtin): New.
1853 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1854 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1855 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1856 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1857 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1858 (any_extend): New code macro.
1859 (u, su): New code attributes.
1860 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1861 (nsau): Remove; replaced by clzsi2.
1862 (ffssi2): Use clzsi2.
1863 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1864 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1865 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1866 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1867 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1869 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1871 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1873 * config/arm/t-strongarm-elf: Likewise.
1874 * config/arm/t-pe: Likewise.
1875 * config/arm/t-arm-elf: Likewise.
1876 * config/arm/t-xscale-elf: Likewise.
1877 * config/arm/t-arm-coff: Likewise.
1878 * config/arm/t-xscale-coff: Likewise.
1879 * config/arm/t-wince-pe: Likewise.
1881 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1883 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1886 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1889 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1892 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1895 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1896 as a valid 80387 constant.
1897 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1898 * config/i386/i386.md (unnamed splitter): Split the load of
1899 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1902 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1904 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1905 from the soft-frame, argument and virtual registers.
1907 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1909 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1910 patterns for standard 80387 constants.
1912 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1913 Steven Bosscher <steven@gcc.gnu.org>
1915 * fwprop.c: New file.
1916 * Makefile.in: Add fwprop.o.
1917 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1918 * passes.c (init_optimization_passes): Schedule forward propagation.
1919 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1921 * timevar.def (TV_FWPROP): New.
1922 * common.opt (-fforward-propagate): New.
1923 * opts.c (decode_options): Enable forward propagation at -O2.
1924 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1925 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1926 canon_for_address, table_size): Remove.
1927 (new_basic_block, insert, remove_from_table): Remove references to
1929 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1930 simplification loop more straightforward by not calling fold_rtx
1932 (equiv_constant): Move here a small part of fold_rtx_subreg,
1933 do not call fold_rtx. Call avoid_constant_pool_reference
1935 * recog.h (canonicalize_change_group): New.
1937 * doc/invoke.texi (Optimization Options): Document fwprop.
1938 * doc/passes.texi (RTL passes): Document fwprop.
1940 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1942 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1943 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1944 (grokdeclarator): Likewise.
1946 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1948 * tree-dump.c (dump_enable_all): Rename local variable
1949 ir_type to avoid name conflicts.
1950 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1951 instead of using ir_type().
1952 * profile.c (tree_register_profile_hooks): Likewise.
1953 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1954 * basic-block.h (struct edge_def): Likewise.
1955 * config/arm/arm.c (legitimize_pic_address): Likewise.
1956 * coretypes.h (ir_type): New enum of all intermediate languages
1958 * cfghooks.c (ir_type): Rename to...
1959 (current_ir_type): ...this. Distinguish between cfgrtl and
1960 cfglayout mode when the current IR is RTL. Return enum ir_type.
1961 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1963 2006-11-03 Paul Brook <paul@codesourcery.com>
1965 * config/arm/arm.c (arm_file_start): New function.
1966 (TARGET_ASM_FILE_START): Define.
1967 (arm_default_cpu): New variable.
1968 (arm_override_options): Set arm_default_cpu.
1970 2006-11-03 David Ung <davidu@mips.com>
1972 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1973 PROCESSOR_24KC and PROCESSOR_24KF.
1974 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1975 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1976 (mips_rtx_cost_data): Add costs for the 24kc.
1977 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1978 * config/mips/24k.md: Remove references to 24k and replace with
1979 uses of 24kc/24kf in the appropriate reservations.
1980 * doc/invoke.texi (MIPS Options): Updated.
1982 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1984 * config/sh/crt1.asm: Fix #ifdef indent.
1986 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1987 Merged from STMicroelectronics sources:
1988 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1989 * config/sh/crt1.asm (vbr_600): Add missing #if.
1990 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1991 * sh.opt (mfused-madd): New option.
1992 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1993 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1994 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1995 Remove pointless handler at VBR+0.
1996 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1997 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1998 fr7. Make sure the timer handler is called with the correct FPU
1999 precision setting, according to the ABI.
2000 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2001 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2002 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2003 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2004 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2005 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2006 zero as second operand.
2007 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2008 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2009 Fixed some bugs related to negative values, in particular -0
2010 and overflow at -0x80000000.
2011 * config/sh/divcost-analysis: Added sh4-300 figures.
2012 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2013 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2014 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2015 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2016 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2017 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2019 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2021 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2022 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2023 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2024 mac_mem, mem_mac, dfp_mul, fp_cmp.
2025 (insn_class, dfp_comp, any_fp_comp): Update.
2026 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2027 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2028 (muldf3_i): Likewise.
2029 (movsi_i): Split rI08 alternative into two separate alternatives.
2031 (movsi_ie, movsi_i_lowpart): Likewise.
2032 (movqi_i): Split ri alternative into two separate alternatives.
2034 * sh1.md (sh1_load_store, sh1_fp): Update.
2035 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2036 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2037 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2038 (sh4a_fp_double_arith): Likewise.
2039 * sh4-300.md: New file.
2040 * sh.c (sh_handle_option): Handle m4-300* options.
2041 (sh_adjust_cost): Fix latency of auto-increments.
2042 Handle SH4-300 differently than other SH4s. Check for new insn types.
2043 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2044 been set by an option.
2045 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2046 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2047 (mbranch-cost=): Likewise.
2048 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2050 * sh.md (mulsf3): Remove special expansion code.
2051 (mulsf3_ie): Now a define_insn_and_split.
2052 (macsf3): Allow for TARGET_SH4.
2054 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2055 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2056 (expand_cbranchdi4): Likewise.
2057 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2058 CONST_DOUBLE if the outer code is COMPARE.
2059 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2060 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2061 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2062 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2063 Remove redundant fp_{zero,one}_operand checks.
2064 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2065 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2066 (expand_cbranchdi4): Likewise.
2067 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2068 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2070 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2072 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2075 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2077 * doc/invoke.texi: Fix mfp-trap-mode typo.
2079 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2081 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2082 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2083 file_end_indicate_exec_stack.
2084 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2086 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2087 for a non-executable stack.
2088 * crti.asm: Likewise.
2089 * crtn.asm: Likewise.
2090 * libunwind.S: Likewise.
2092 2006-11-02 Ben Elliston <bje@au.ibm.com>
2094 * tree-ssa.c (warn_uninit): Use expand_location variables for
2095 locus and declaration locus.
2097 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2100 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2101 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2102 cmp{eq,gt,gtu}{si,di}_media.
2103 (*cmpne0si_media): Remove.
2104 (*movsicc_umin): Adjust gen_cmp*_media call.
2105 (unordered): Change the mode of unordered and operands[1] to
2107 (seq): Adjust gen_cmp*_media calls. Make the mode of
2108 a temporary result of compare SImode if needed. If the mode
2109 of operands[0] is DImode, extend the temporary result to DImode.
2110 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2111 (sunorderd): Change the mode of match_operand and unorderd to
2113 (cmpeq{sf,df}_media): Remove.
2114 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2115 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2116 and compare operation to SImode.
2118 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2120 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2122 (sparc64-sun-solaris2*): Likewise.
2124 2006-11-02 Paul Brook <paul@codesourcery.com>
2126 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2127 from priority argument. Use different section for non-default
2129 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2131 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2134 * except.c (switch_to_exception_section): Do not cache the section
2135 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2136 and flag_function_sections is set.
2138 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2141 * builtins.c (do_mpfr_sincos): New.
2142 (fold_builtin_1): Use it to fold builtin sincos.
2144 2006-11-01 Roger Sayle <roger@eyesopen.com>
2146 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2147 it into -D_REENTRANT.
2149 2006-11-01 Roger Sayle <roger@eyesopen.com>
2151 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2152 whether the assembler supports taking the difference of symbols in
2153 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2154 * configure: Regenerate.
2155 * config.in: Regenerate.
2156 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2157 the assembler doesn't support taking the difference of symbols in
2158 different sections, i.e. we're using the native solaris assembler.
2160 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2161 Peter Bergner <bergner@vnet.ibm.com>
2163 * doc/invoke.texi: Add cpu_type power6x
2164 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2165 * config.gcc: Add cpu_type power6x.
2166 * configure.ac: Add test for mf{t,f}gpr instructions.
2167 (HAVE_AS_MFPGPR): New.
2168 * config.in: Regenerate.
2169 * configure: Regenerate.
2170 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2171 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2172 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2173 and mftgpr attributes.
2174 (define_attr "cpu"): Add power6.
2175 Change instruction sequences to use new attributes.
2176 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2177 (fix_truncdfsi2_mfpgpr): New.
2178 (floatsidf_ppc64_mfpgpr): New.
2179 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2180 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2181 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2182 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2183 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2184 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2185 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2186 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2187 cntlz,exts and var_delayed_compare.
2188 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2189 _ARCH_PWR6X, if features enabled.
2190 * config/rs6000/rs6000.opt (mmfpgpr): New.
2191 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2192 (cached_can_issue_more): New variable.
2193 (processor_costs): Add power6_cost.
2194 (rs6000_sched_init): New function.
2195 (is_dispatch_slot_restricted): Deleted.
2196 (set_to_load_agen): New function.
2197 (is_load_insn,is_store_insn): New functions.
2198 (adjacent_mem_locations): New function.
2199 (insn_must_be_first_in_group): New function.
2200 (insn_must_be_last_in_group): New function.
2201 (rs6000_sched_reorder): New function.
2202 (rs6000_sched_reorder2): New function.
2203 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2204 TARGET_SCHED_REORDER2): Define.
2205 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2206 Add power6x. Add MASK_MFPGPR for power6x.
2207 (POWERPC_MASKS): Add MASK_MFPGPR.
2208 (rs6000_override_options): Set rs6000_always_hint to false
2209 for power6. Set rs6000_align_branch_targets. Replace
2210 rs6000_sched_groups check with rs6000_align_branch_targets.
2211 Use PROCESSOR_POWER6.
2212 (last_scheduled_insn): New variable.
2213 (load_store_pendulum): New variable.
2214 (rs6000_variable_issue): Set last_scheduled_insn and
2215 cached_can_issue_more.
2216 (rs6000_adjust_cost): Add power6 cost adjustments.
2217 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2218 with insn_must_be_first_in_group. Add power6 priority adjustments.
2219 (rs6000_issue_rate): Add CPU_POWER6.
2220 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2221 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2222 (TARGET_MFPGPR): New.
2223 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2224 (ASM_CPU_SPEC): Add power6x.
2225 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2227 * config/rs6000/power6.md: New file.
2229 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2231 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2232 HOST_WIDE_INT_PRINT to print high and low parts. Use
2233 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2234 printing a hexadecimal number prefix it with 0x.
2236 2006-11-01 Chris Johns <chris@contemporary.net.au>
2239 * Makefile.in (install-driver): Use exeext when installing
2240 $target-gcc-$version.
2242 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2244 * c-common.c (flag_cpp0x): New.
2245 * c-common.h (flag_cpp0x): New.
2246 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2247 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2248 * c-opts.c (set_std_cxx0x): New.
2249 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2250 * c.opt (std=c++0x): Document.
2251 (std=gnu++0x): Ditto.
2252 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2253 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2255 2006-11-01 Richard Guenther <rguenther@suse.de>
2257 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2259 (ix86_expand_floorceildf_32): Likewise.
2260 (ix86_expand_floorceil): Likewise.
2261 (ix86_expand_trunc): Likewise.
2263 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2265 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2268 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2270 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2272 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2274 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2276 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2277 * configure.ac (use_cxa_atexit): As a special case, don't test
2278 for libc definition of __cxa_atexit on mingw32
2279 * configure: Regenerate.
2280 * config.gcc (i[34567]86-pc-mingw32): Default to
2281 enable__cxa_atexit=yes.
2283 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2285 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2287 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2290 * c-decl.c (start_struct): Don't create self-containing
2292 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2294 * config/rs6000/rs6000-protos.h
2295 (darwin_rs6000_special_round_type_align): New.
2296 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2297 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2299 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2301 * toplev.c (compile_file): Call final_write_globals
2302 even if there have been errors.
2304 2006-10-31 Eric Christopher <echristo@apple.com>
2305 Falk Hueffner <falk@debian.org>
2307 * doc/extend.texi (__builtin_bswap32): Document.
2308 (__builtin_bswap64): Ditto.
2309 * doc/libgcc.texi (bswapsi2): Document.
2311 * doc/rtl.texi (bswap): Document.
2312 * optabs.c (expand_unop): Don't widen a bswap.
2313 (init_optabs): Init bswap. Set libfuncs explicitly
2314 for bswapsi2 and bswapdi2.
2315 * optabs.h (OTI_bswap): New.
2316 (bswap_optab): Ditto.
2317 * genopinit.c (optabs): Handle bswap_optab.
2318 * tree.h (tree_index): Add TI_UINT32_TYPE and
2320 (uint32_type_node): New.
2321 (uint64_type_node): Ditto.
2322 * tree.c (build_common_tree_nodes_2): Initialize
2323 uint32_type_node and uint64_type_node.
2324 * builtins.c (expand_builtin_bswap): New.
2325 (expand_builtin): Call.
2326 (fold_builtin_bswap): New.
2327 (fold_builtin_1): Call.
2328 * fold-const.c (tree_expr_nonnegative_p): Return true
2330 * builtin-types.def (BT_UINT32): New.
2332 (BT_FN_UINT32_UINT32): Ditto.
2333 (BT_FN_UINT64_UINT64): Ditto.
2334 * builtins.def (BUILT_IN_BSWAP32): New.
2335 (BUILT_IN_BSWAP64): Ditto.
2336 * rtl.def (BSWAP): New.
2337 * genattrtab.c (check_attr_value): New.
2338 * libgcc2.c (__bswapSI2): New.
2339 (__bswapDI2): Ditto.
2340 * libgcc2.h (__bswapSI2): Declare.
2341 (__bswapDI2): Ditto.
2342 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2343 * simplify-rtx.c (simplify_const_unary_operation): Return
2345 * libgcc-std.ver (__bwapsi2): Add.
2346 (__bswapdi2): Ditto.
2347 * reload1.c (eliminate_regs_1): Add bswap.
2348 (elimination_effects): Ditto.
2349 * config/i386/i386.h (x86_bswap): New.
2350 (TARGET_BSWAP): Use.
2351 * config/i386/i386.c (x86_bswap): Set.
2353 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2355 * coverage.c (coverage_checksum_string): Update comment.
2356 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2357 of get_file_function_name.
2358 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2359 of get_file_function_name_long.
2360 * tree.c (get_file_function_name): Rename from
2361 get_file_function_name_long; improve comment; handle 'I' and 'D'
2362 specially when the target has ctor/dtor support; remove special
2364 (get_file_function_name): Remove.
2365 * tree.h (get_file_function_name): Rename from
2366 get_file_function_name_long.
2367 (get_file_function_name): Remove prototype.
2369 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2371 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2372 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2374 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2375 Call dsymutil when compiling and linking one or more source files
2378 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2381 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2383 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2385 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2386 inline static functions in c99 mode.
2389 * doc/extend.texi (Inline): Update.
2390 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2391 * c-decl.c (current_extern_inline): Delete.
2392 (pop_scope): Adjust test for an undefined nested function.
2393 Add warning about undeclared inline function.
2394 (diagnose_mismatched_decls): Update comments. Disallow overriding
2395 of inline functions in a translation unit in C99. Allow inline
2396 declarations in C99 at any time.
2397 (merge_decls): Boolize variables. Handle C99 'extern inline'
2399 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2400 C99 inline semantics.
2401 (start_function): Don't clear current_extern_inline. Don't set
2403 (c_push_function_context): Don't push current_extern_inline.
2404 (c_pop_function_context): Don't restore current_extern_inline.
2407 * c-typeck.c (build_external_ref): Warn about static variables
2408 used in extern inline functions.
2409 * c-decl.c (start_decl): Warn about static variables declared
2410 in extern inline functions.
2412 2006-10-31 Roger Sayle <roger@eyesopen.com>
2415 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2416 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2417 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2418 or y is an even integer.
2420 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2423 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2424 * gthr-posix95.h (__gthread_active_p): Likewise.
2426 2006-10-31 Richard Guenther <rguenther@suse.de>
2428 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2429 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2430 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2431 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2432 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2433 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2434 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2435 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2438 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2440 * opts.c (decode_options): Disable CSE skip blocks.
2442 2006-10-30 Dirk Mueller <dmueller@suse.de>
2444 * c-common.h (strict_aliasing_warning): Fix whitespace.
2445 * c-decl (start_function): Move code for main decl warning ..
2446 * c-common.c (check_main_parameter_types): .. here.
2447 * c-common.h (check_main_parameter_types): Declare.
2449 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2452 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2454 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2456 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2457 be a PARALLEL containing sets. Return false when out_pat is not
2460 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2462 * config/mips/mips.md (mul<mode>3): Split into...
2463 (mulsi3, muldi3): ...these separate patterns.
2465 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2467 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2468 but with each set of options separated by spaces.
2470 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2472 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2473 dwarf_reg_size_table has been initialized.
2475 2006-10-30 Roger Sayle <roger@eyesopen.com>
2477 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2478 * ddg.c (print_ddg_edge): Likewise.
2479 * dwarf2out.c (prune_unused_types_walk): Likewise.
2480 * ifcvt.c (noce_try_cmove_arith): Likewise.
2481 * langhooks.c (add_builtin_function): Likewise.
2482 * reg-stack.c (subst_stack_regs_pat): Likewise.
2483 * tree.c (expanded_location): Likewise.
2484 * tree-dump.c (dequeue_and_dump): Likewise.
2486 2006-10-30 David Daney <ddaney@avtrex.com>
2488 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2490 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2492 PR tree-optimization/29637
2493 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2494 of the innertype is the innertype itself.
2496 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2498 * dwarf2out.c (file_name_acquire): Correct typo.
2500 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2502 * tree.h (tree_value_handle): Remove struct value_set declaration.
2503 Change value_set to bitmap_set.
2504 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2505 * tree-vn.c (get_value_handle): Made inline and moved to
2507 * tree-flow-inline.h: (has_stmt_ann): New function.
2508 * tree-ssa-pre.c (expressions): New variable.
2509 (next_expression_id): Ditto.
2510 (alloc_expression_id): New function.
2511 (struct value_set): Remove.
2512 (get_expression_id): New function.
2513 (get_or_alloc_expression_id): Ditto.
2514 (expression_for_id): Ditto.
2515 (clear_expression_ids): Ditto.
2516 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2517 (bb_value_sets): Renamed to bb_bitmap_sets.
2518 All value sets replaced with bitmap_sets.
2520 (BB_VISITED): New macro.
2521 (postorder): New variable.
2522 (add_to_value): Removed.
2523 (value_exists_in_set_bitmap): Ditto.
2524 (value_insert_into_set_bitmap): Ditto.
2527 (set_remove): Ditto.
2528 (set_contains_value): Ditto.
2529 (insert_into_set): Ditto.
2531 (find_leader): Ditto.
2532 (bitmap_set_subtract_from_value_set): Ditto.
2533 (value_insert_into_set): Ditto.
2534 (print_value_set): Ditto.
2535 (debug_value_set): Ditto.
2536 (constant_expr_p): New function.
2537 (bitmap_remove_from_set): Ditto.
2538 (bitmap_insert_into_set): Ditto.
2539 (bitmap_set_free): Ditto.
2540 (vh_compare): Ditto.
2541 (sorted_array_from_bitmap_set): Ditto.
2542 (bitmap_set_subtract): Ditto.
2543 (bitmap_set_equal): Ditto.
2544 (debug_bitmap_set): Ditto.
2545 (find_leader_in_sets): Ditto.
2546 (bitmap_set_replace_value): Modify for bitmapped sets.
2547 (phi_translate): Ditto.
2548 (phi_translate_set): Ditto.
2549 (bitmap_find_leader): Ditto.
2550 (valid_in_sets): Ditto.
2551 (union_contains_value): Ditto.
2553 (compute_antic_aux): Ditto. Mark changed blocks.
2554 (compute_antic): Ditto. Iterate in postorder and only over
2556 (compute_rvuse_and_antic_safe): Reuse postorder.
2557 (create_component_ref_by_pieces): Modify for bitmapped sets.
2558 (find_or_generate_expression): Ditto.
2559 (create_expression_by_pieces): Ditto.
2560 (insert_into_preds_of_block): Ditto.
2561 (changed_blocks): New variable.
2562 (do_regular_insertion): Broken out from insert_aux.
2563 (insert_aux): Modified for bitmapped sets.
2564 (find_existing_value_expr): New function.
2565 (create_value_expr_from): Use it.
2566 (insert_extra_phis): Removed.
2567 (print_bitmap_set): Renamed from bitmap_print_value_set.
2568 (compute_avail): Handle RETURN_EXPR.
2569 (init_pre): Modify for bitmapped sets.
2570 * tree-flow.h (has_stmt_ann): New function.
2572 2006-10-29 Roger Sayle <roger@eyesopen.com>
2574 * builtins.c (fold_builtin_floor): Check for the availability of
2575 the C99 trunc function before transforming floor into trunc.
2577 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2579 * builtins.c (fold_builtin_hypot): Rearrange recursive
2580 transformation before others, and also do ABS_EXPR. When
2581 necessary, check flag_unsafe_math_optimizations. When necessary,
2584 2006-10-29 Roger Sayle <roger@eyesopen.com>
2586 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2587 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2588 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2589 Fold -X eq/ne -Y as X eq/ne Y.
2591 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2593 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2594 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2595 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2596 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2597 Use an inclusive test for "mult" rather than "mul".
2598 (rotr<mode>3): Depend on ISA_HAS_ROR.
2599 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2601 (GENERATE_MULT3_DI): Delete.
2602 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2603 (ISA_HAS_MUL3): New macro.
2604 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2605 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2606 (ISA_HAS_CLZ_CLO): Likewise.
2607 (ISA_HAS_DCLZ_DCLO): Delete.
2608 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2609 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2610 the VR4120 and VR4130.
2611 (ISA_HAS_MACCHI): Use consistent formatting.
2612 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2613 (ISA_HAS_ROR): ...this new macro.
2614 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2615 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2616 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2618 2006-10-29 Roger Sayle <roger@eyesopen.com>
2620 PR tree-optimization/15458
2621 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2624 2006-10-29 Richard Guenther <rguenther@suse.de>
2626 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2627 (ix86_expand_truncdf_32): Likewise.
2628 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2629 trunc inline for SSE math and -fno-trapping-math and if not
2630 optimizing for size.
2631 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2632 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2633 for expanding btrunc inline for SSE math.
2635 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2637 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2638 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2639 i[34567]86-*-solaris2.1[0-9]*.
2640 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2641 Define conditionally depending on TARGET_64BIT_DEFAULT.
2642 (SPEC_32, SPEC_64): Define.
2643 (LINK_SPEC): Use them.
2644 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2646 2006-10-29 Richard Guenther <rguenther@suse.de>
2648 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2649 (ix86_expand_rounddf_32): Likewise.
2650 * config/i386/i386.c (ix86_expand_round): New function expanding
2651 round inline for SSE math and -fno-trapping-math and if not
2652 optimizing for size.
2653 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2654 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2655 round via ix86_expand_round.
2657 2006-10-29 Richard Guenther <rguenther@suse.de>
2659 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2660 (ix86_expand_floorceildf_32): Likewise.
2661 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2662 static helper function.
2663 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2665 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2666 * config/i386/i386.md (floordf2): Adjust to enable floor
2667 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2668 -fno-trapping-math is enabled and if not optimizing for size.
2669 (floorsf2, ceildf2, ceilsf2): Likewise.
2670 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2671 (sse2_maskcmpdf3): Likewise.
2673 2006-10-29 Richard Guenther <rguenther@suse.de>
2675 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2676 rint in case -fno-trapping-math is enabled.
2677 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2678 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2679 (ix86_expand_sse_fabs): Likewise.
2680 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2681 * config/i386/i386.md (rintdf2): Enable for SSE math if
2682 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2683 (rintsf2): Likewise.
2685 2006-10-29 Richard Guenther <rguenther@suse.de>
2687 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2688 to conversion optabs.
2689 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2690 as conversion optab.
2691 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2692 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2693 (lfloor_optab, lceil_optab): Adjust defines.
2694 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2695 lfloor and lceil optabs now being conversion optabs.
2696 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2697 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2698 New static helper function.
2699 (ix86_expand_lfloorceil): New function to expand lfloor and
2701 * config/i386/i386.md (lfloor<mode>2): Split into ...
2702 (lfloorxf<mode>2): ... x87 variant
2703 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2704 using ix86_expand_lfloorceil.
2705 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2707 * doc/md.texi (lfloorMN, lceilMN): Document.
2709 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2711 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2712 -mno-shared assembler option on mips targets.
2713 * configure, config.in: Regenerate.
2714 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2715 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2716 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2718 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2720 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2721 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2723 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2725 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2726 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2729 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2732 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2733 (fold_builtin_pow): Evaluate constant arguments at compile-time
2735 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2736 (do_mpfr_ckconv): New helper function.
2737 (do_mpfr_arg1): Use do_mpfr_ckconv.
2738 (do_mpfr_arg2): New.
2740 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2743 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2744 (-fdump-rtl-sched): Rename to ..
2745 (-fdump-rtl-sched1): here. Also fix file extension number.
2747 2006-10-28 Richard Guenther <rguenther@suse.de>
2749 * fold-const.c (maybe_canonicalize_comparison): Fix code
2752 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2754 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2755 (NON_QI_REG_P): Use IN_RANGE.
2756 (REX_INT_REGNO_P): Use IN_RANGE.
2757 (FP_REGNO_P): Use IN_RANGE.
2758 (SSE_REGNO_P): Use IN_RANGE.
2759 (REX_SSE_REGNO_P): Use IN_RANGE.
2760 (MMX_REGNO_P): Use IN_RANGE.
2761 (STACK_REGNO_P): New macro.
2762 (STACK_REG_P): Use STACK_REGNO_P.
2763 (NON_STACK_REG_P): Use STACK_REGNO_P.
2764 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2765 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2766 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2767 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2768 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2770 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2772 * except.h (output_function_exception_table): Add 'const char*' param.
2773 * except.c (switch_to_exception_section): Add 'const char*' param.
2774 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2775 and flag_function_sections is set, use a function-specific section.
2776 (output_function_exception_table): Add 'const char*' param.
2777 Adjust call to switch_to_exception_section.
2778 * final.c (rest_of_handle_final): Adjust calls to
2779 output_function_exception_table.
2780 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2781 * config.in: Regenerate.
2782 * configure: Likewise.
2784 2006-10-28 Richard Guenther <rguenther@suse.de>
2787 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2788 for maybe_canonicalize_comparison.
2789 (maybe_canonicalize_comparison): New function for canonicalizing
2791 (fold_comparison): Call it to canonicalize comparisons with
2794 2006-10-28 Richard Guenther <rguenther@suse.de>
2797 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2798 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2799 (expand_builtin): Adjust likewise.
2800 * genopinit.c (optabs[]): Add lround optab.
2801 * optabs.c (init_optabs): Initialize lround_optab.
2802 * optabs.h (enum convert_optab_index): Add COI_lround.
2803 (lround_optab): Define.
2804 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2805 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2807 (ix86_expand_lround): New function.
2808 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2810 * doc/md.texi (lroundMN2): Document.
2812 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2815 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2816 argument to HOST_WIDE_INT. Update function prototype.
2817 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2818 "size" argument to HOST_WIDE_INT. Update function prototype.
2820 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2822 * config/i386/i386.c (output_387_ffreep): Create output from a
2823 template string for !HAVE_AS_IX86_FFREEP.
2825 2006-10-27 Eric Christopher <echristo@apple.com>
2827 * config/darwin.c: Fix formatting and grammar.
2829 2006-10-27 Jan Hubicka <jh@suse.cz>
2831 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2832 to be thrown away soon when IGNORE is set.
2833 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2834 indicating when return value shall not be computed.
2835 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2837 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2839 * config/i386/i386.h (TARGET_GEODE):
2840 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2841 (TARGET_CPU_DEFAULT_geode): New macro.
2842 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2843 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2844 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2845 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2846 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2848 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2849 (processor_type): Add PROCESSOR_GEODE.
2851 * config/i386/i386.md: Include geode.md.
2854 * config/i386/i386.c (geode_cost): New initialized global
2856 (m_GEODE, m_K6_GEODE): New macros.
2857 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2858 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2859 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2860 x86_schedule): Use m_K6_GEODE instead of m_K6.
2861 (x86_movx, x86_cmove): Set up m_GEODE.
2862 (x86_integer_DFmode_moves): Clear m_GEODE.
2863 (processor_target_table): Add entry for geode.
2864 (processor_alias_table): Ditto.
2866 * config/i386/geode.md: New file.
2868 * doc/invoke.texi: Add entry about geode processor.
2870 2006-10-27 Mike Stump <mrs@apple.com>
2872 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2873 __DYNAMIC__ from here back to ...
2874 * config/darwin.h (CPP_SPEC): ... here.
2876 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2877 Nathan Sidwell <nathan@codesourcery.com>
2879 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2880 when choosing the minimum heapsize.
2882 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2884 * gcc/unwind-dw2.h: Move cfa-related variables into
2885 struct frame_state_reg_info to ensure that the CFA is properly
2886 handled when executing DW_CFA_{remember,restore}_state.
2887 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2888 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2889 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2890 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2891 gcc/config/rs6000/linux-unwind.h,
2892 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2893 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2894 Modify to use new cfa_* fields.
2896 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2898 * config/s390/s390.c (s390_init_frame_layout): Check positive
2901 2006-10-26 Ben Elliston <bje@au.ibm.com>
2903 * gimplify.c (get_name): Remove extraneous break.
2904 (gimplify_omp_for): Initialise ret with GS_OK.
2906 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2908 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2909 Add unix98.o to link line.
2911 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2914 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2915 Calculate compile-time constants using MPFR.
2916 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2917 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2919 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2921 * config/xtensa/lib2funcs.S: Use C-style comments.
2923 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2925 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2926 (file_table_relative_p): Likewise.
2927 (dwarf2out_finish): Likewise.
2928 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2930 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2932 * tree-ssa-structalias.c (intra_create_variable_infos):
2933 Don't recreate nonlocal_all if it already exists.
2935 2006-10-25 Richard Guenther <rguenther@suse.de>
2938 * optabs.h (enum optab_index): Remove OTI_lrint.
2939 (enum convert_optab_index): Add COI_lrint.
2940 (lrint_optab): Adjust.
2941 (expand_sfix_optab): Declare.
2942 * optabs.c (expand_sfix_optab): New function.
2943 (init_optabs): Init lrint_optab as conversion optab.
2944 * genopinit.c (lrint_optab): Change to a conversion optab.
2945 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2946 expansion via conversion optab.
2947 * config/i386/i386.md (*fistdi2_1): Remove
2948 flag_unsafe_math_optimizations guard.
2949 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2950 fist<mode>2_with_temp): Likewise.
2951 (lrint<mode>2): Split into...
2952 (lrintxf<mode>2): ... x87 part
2953 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2954 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2955 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2956 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2957 * doc/md.texi (lrintMN2): Document.
2959 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2962 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2963 Use inc and dec instructions for TARGET_USE_INCDEC.
2964 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2965 ("sync_double_compare_and_swap<mode>"): Likewise.
2966 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2967 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2968 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2969 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2970 ("sync_old_add<mode>"): Likewise.
2971 ("sync_lock_test_and_set<mode>"): Likewise.
2972 ("sync_lock_test_and_set<mode>"): Likewise.
2973 ("sync_add<mode>"): Likewise.
2974 ("sync_sub<mode>"): Likewise.
2975 ("sync_ior<mode>"): Likewise.
2976 ("sync_and<mode>"): Likewise.
2977 ("sync_xor<mode>"): Likewise.
2979 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2981 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2982 (remainder_optab): Define corresponding macro.
2983 (drem_optab): Remove.
2984 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2985 drem_optab initialization.
2986 * genopinit.c (optabs): Implement remainder_optab using
2987 remainder?f3 patterns. Remove drem_optab.
2988 * builtins.c (expand_builtin_mathfn_2): Handle
2989 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2990 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2991 expand_builtin_mathfn_2.
2993 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2994 depend on flag_unsafe_math_optimizations.
2996 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2997 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2998 Do not depend on flag_unsafe_math_optimizations. Use
2999 truncxf?f expander instead of truncxf?f_i387_noop.
3001 ("fpremxf4", "fprem1xf4"): Do not depend on
3002 flag_unsafe_math_optimizations.
3003 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3004 flag_unsafe_math_optimizations. Use truncxf?f expander
3005 instead of truncxf?f_i387_noop.
3007 * doc/md.texi (fmod, remainder): Document standard named pattern.
3009 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3010 David Daney <ddaney@avtrex.com>
3013 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3015 2006-10-25 Ben Elliston <bje@au.ibm.com>
3017 * doc/extend.texi (Variable Attributes): Typo fix.
3019 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3021 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3022 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3023 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3024 (FRAME_POINTER_REGNUM): Update register number to 21.
3025 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3026 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3028 * config/i386/i386.c (regclass_map): Add fpcr entry.
3029 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3031 (print_reg): Assert REGNO (x) != FPCR_REG.
3033 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3034 (DIRFLAG_REG): Renumber.
3035 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3036 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3037 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3038 hardcoded SSE register numbers.
3040 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3041 hardcoded MMX register numbers.
3043 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3046 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3047 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3049 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3050 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3051 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3052 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3054 2006-10-24 Richard Guenther <rguenther@suse.de>
3057 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3058 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3059 for deciding optimizations in consistency with fold-const.c
3060 (fold_builtin_unordered_cmp): Likewise.
3062 2006-10-24 Richard Guenther <rguenther@suse.de>
3064 * builtins.c (fold_builtin_floor): Fold floor (x) where
3065 x is nonnegative to trunc (x).
3066 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3067 nonnegative to FIX_TRUNC_EXPR.
3069 2006-10-24 Richard Guenther <rguenther@suse.de>
3071 PR tree-optimization/29567
3072 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3073 for TRUTH_NOT_EXPR. Clarify comments.
3075 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3078 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3079 at compile-time using MPFR. Change parameter VALUE to FUNC,
3081 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3082 for overflow and underflow at all times and avoid folding in
3085 2006-10-24 Ben Elliston <bje@au.ibm.com>
3087 * reload1.c: Formatting fixes.
3089 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3091 PR tree-optimization/14784
3092 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3093 * tree-ssa-structalias.c (get_constraint_for,
3094 intra_create_variable_infos): Set is_heapvar.
3095 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3096 non-heapvar pointer variables specially.
3098 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3101 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3102 fold_builtin_tan): Fold all constant arguments. Take a "type"
3103 argument as necessary.
3104 (do_mpfr_arg1): New.
3105 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3107 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3109 * config/xtensa/lib1funcs.asm: Use C-style comments.
3111 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3113 * tree.c (local_define_builtin): Replace calls to
3114 lang_hooks.builtin_function with add_builtin_function.
3115 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3117 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3119 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3120 common code to add_builtin_function.
3121 * langhooks.c (add_builtin_function): New function.
3122 (lhd_builtin_function): New function.
3123 * langhooks.h (struct lang_hooks): Change the signature of
3125 (add_builtin_function): New function.
3126 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3127 calls to lang_hooks.builtin_function with add_builtin_function.
3128 * c-common.c (decl_builtin_1): Replace calls to
3129 lang_hooks.builtin_function with add_builtin_function.
3130 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3131 lang_hooks.builtin_function with add_builtin_function.
3132 * config/frv/frv.c (def_builtin): Replace calls to
3133 lang_hooks.builtin_function with add_builtin_function.
3134 * config/s390/s390.c (s390_init_builtins): Replace calls to
3135 lang_hooks.builtin_function with add_builtin_function.
3136 * config/sparc/sparc.c (def_builtin): Replace calls to
3137 lang_hooks.builtin_function with add_builtin_function.
3138 * config/i386/i386.c (def_builtin): Replace calls to
3139 lang_hooks.builtin_function with add_builtin_function.
3140 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3141 lang_hooks.builtin_function with add_builtin_function.
3142 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3143 lang_hooks.builtin_function with add_builtin_function.
3144 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3145 Replace calls to lang_hooks.builtin_function with
3146 add_builtin_function.
3147 * config/iq2000/iq2000.c (def_builtin):
3148 Replace calls to lang_hooks.builtin_function with
3149 add_builtin_function.
3150 * config/ia64/ia64.c (def_builtin): Replace calls to
3151 lang_hooks.builtin_function with add_builtin_function.
3152 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3153 lang_hooks.builtin_function with add_builtin_function.
3154 (altivec_init_builtins): Replace calls to
3155 lang_hooks.builtin_function with add_builtin_function.
3156 * config/arm/arm.c (def_mbuiltin): Replace calls to
3157 lang_hooks.builtin_function with add_builtin_function.
3158 (arm_init_tls_builtins): Replace calls to
3159 lang_hooks.builtin_function with add_builtin_function.
3160 * config/mips/mips.c (mips_init_builtins): Replace calls to
3161 lang_hooks.builtin_function with add_builtin_function.
3162 * config/bfin/bfin.c (def_builtin): Replace calls to
3163 lang_hooks.builtin_function with add_builtin_function.
3164 * langhooks-def.h (lhd_builtin_function): New function.
3165 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3167 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3169 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3170 BUILT_IN_STRNCAT_CHK.
3172 2006-10-23 Jan Hubicka <jh@suse.cz>
3174 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3175 don't do conversion from memmove to memcpy here.
3176 (expand_builtin_bcopy, expand_builtin): Update call of
3177 expand_builtin_memmove.
3178 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3180 2006-10-23 Paul Brook <paul@codesourcery.com>
3182 * stor-layout.c (start_record_layout): maximum_field_alignment
3183 overrides STRUCTURE_SIZE_BOUNDARY.
3185 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3187 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3188 nonlocal function symbols if flag_pic.
3190 2006-10-23 Richard Guenther <rguenther@suse.de>
3194 * builtins.c (fold_binary): Remove checks for flag_wrapv
3195 and flag_trapv where negate_expr_p covers these cases.
3197 2006-10-23 Richard Guenther <rguenther@suse.de>
3200 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3201 of two on the absolute value.
3202 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3203 and negating -C does not overflow.
3205 2006-10-23 Richard Guenther <rguenther@suse.de>
3208 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3209 only if not flag_rounding_math.
3211 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3212 Kaz Kojima <kkojima@gcc.gnu.org>
3215 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3216 SImode memory reference for the source of a movua.
3217 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3218 (movua): Use an unspec instead of sign_extract. Expect the source
3219 to have mode BLKmode.
3220 (extv, insv): Use a BLKmode rather than SImode memory reference
3221 for the source of a movua.
3223 2006-10-22 Jeff Law <law@redhat.com>
3224 Richard Guenther <rguenther@suse.de>
3226 PR tree-optimization/15911
3227 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3228 (register_edge_assert_for_1): Likewise.
3229 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3230 (find_conditional_asserts): Adjust for new function signature.
3231 (find_assert_locations): Likewise.
3233 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3235 * config/i386/tmmintrin.h: Remove the duplicated content.
3237 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3239 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3240 (x86_64-*-*): Likewise.
3242 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3243 (override_options): Check SSSE3.
3244 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3245 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3246 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3247 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3248 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3249 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3250 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3251 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3252 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3253 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3254 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3255 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3256 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3257 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3258 IX86_BUILTIN_PABSD128.
3259 (bdesc_2arg): Add SSSE3.
3260 (bdesc_1arg): Likewise.
3261 (ix86_init_mmx_sse_builtins): Support SSSE3.
3262 (ix86_expand_builtin): Likewise.
3263 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3265 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3266 (UNSPEC_PSIGN): Likewise.
3267 (UNSPEC_PALIGNR): Likewise.
3268 Include mmx.md before sse.md.
3270 * config/i386/i386.opt: Add -mssse3.
3272 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3273 (ssse3_phaddwv4hi3): Likewise.
3274 (ssse3_phadddv4si3): Likewise.
3275 (ssse3_phadddv2si3): Likewise.
3276 (ssse3_phaddswv8hi3): Likewise.
3277 (ssse3_phaddswv4hi3): Likewise.
3278 (ssse3_phsubwv8hi3): Likewise.
3279 (ssse3_phsubwv4hi3): Likewise.
3280 (ssse3_phsubdv4si3): Likewise.
3281 (ssse3_phsubdv2si3): Likewise.
3282 (ssse3_phsubswv8hi3): Likewise.
3283 (ssse3_phsubswv4hi3): Likewise.
3284 (ssse3_pmaddubswv8hi3): Likewise.
3285 (ssse3_pmaddubswv4hi3): Likewise.
3286 (ssse3_pmulhrswv8hi3): Likewise.
3287 (ssse3_pmulhrswv4hi3): Likewise.
3288 (ssse3_pshufbv16qi3): Likewise.
3289 (ssse3_pshufbv8qi3): Likewise.
3290 (ssse3_psign<mode>3): Likewise.
3291 (ssse3_psign<mode>3): Likewise.
3292 (ssse3_palignrti): Likewise.
3293 (ssse3_palignrdi): Likewise.
3294 (abs<mode>2): Likewise.
3295 (abs<mode>2): Likewise.
3297 * config/i386/tmmintrin.h: New file.
3299 * doc/extend.texi: Document SSSE3 built-in functions.
3301 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3303 2006-10-22 Ira Rosen <irar@il.ibm.com>
3305 * tree-vect-transform.c (vectorizable_load): Use the type of the
3306 return value of the mask_for_load builtin to create realign_load
3309 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3311 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3314 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3316 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3317 (UNSPEC_LDDQU): This.
3318 * config/i386/sse.md (sse3_lddqu): Updated.
3320 2006-10-21 Richard Guenther <rguenther@suse.de>
3322 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3323 (expand_builtin): Use it to expand lrint instead of
3324 expand_builtin_mathfn.
3326 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3329 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3330 flag_unsafe_math_optimizations is set.
3332 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3335 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3336 patterns to use memory input operand in x87->mem->XMM
3337 reload sequences. Skip transformation for TARGET_K8.
3339 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3341 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3342 force operand1 to register if both operands are memory operands.
3343 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3344 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3345 if both operands are memory operands.
3346 (truncdfsf2): Do not force operand1 to register if both operands
3347 are memory operands.
3349 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3351 * Makefile.in (LIBS): Add $(GMPLIBS).
3352 * doc/install.texi: Update GMP and MPFR requirements.
3353 * doc/sourcebuild.texi (need_gmp): Delete.
3355 2006-10-21 Richard Guenther <rguenther@suse.de>
3357 PR tree-optimization/3511
3358 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3359 got new invariant arguments during PHI translation.
3361 2006-10-21 Richard Guenther <rguenther@suse.de>
3364 * fold-const.c (fold_comparison): Fold signed comparisons
3365 of the form X +- C1 CMP Y +- C2.
3367 2006-10-21 Richard Guenther <rguenther@suse.de>
3370 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3371 if flag_unsafe_math_optimizations is specified. We have
3372 flag_finite_math_only for that.
3373 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3374 or flag_unsafe_math_optimizations.
3376 2006-10-21 Richard Guenther <rguenther@suse.de>
3378 * builtins.c (fold_builtin_classify): Fix typo.
3380 2006-10-21 Richard Guenther <rguenther@suse.de>
3383 * simplify-rtx.c (simplify_const_relational_operation):
3384 Do not constant-fold ORDERED and UNORDERED for
3385 flag_unsafe_math_optimizations but only we do not need to
3386 honor NaNs for the given mode.
3388 2006-10-21 Richard Guenther <rguenther@suse.de>
3391 * config/i386/i386.c (classify_argument): Remove redundant
3392 walking of the BINFOs.
3393 (contains_128bit_aligned_vector_p): Likewise.
3395 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3397 * BASE-VER: Set to 4.3.0.
3399 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3401 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3402 (tree_decl_with_vis): Remove artificial_pta_var flag.
3403 * tree-flow.h (referenced_var_check_and_insert): Expose.
3404 (nonlocal_all): New prototype.
3405 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3406 (nonlocal_all): Make global.
3407 (nonlocal_lookup): Remove.
3408 (nonlocal_insert): Ditto.
3409 (create_nonlocal_var): Do not call nonlocal_insert.
3410 (get_nonlocal_id_for_type): Remove.
3411 (find_global_initializers): Mark new vars we find for renaming.
3412 (intra_create_variable_infos): Only create one nonlocal.
3413 (expand_nonlocal_solutions): Remove.
3414 (compute_points_to_sets): Don't call it.
3415 (ipa_pta_execute): Ditto.
3416 (init_alias_heapvars): Don't create nonlocal_for_type.
3417 (delete_alias_heapvars): Don't remove it.
3418 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3421 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3423 * doc/install.texi (Downloading GCC): Clarify mention of
3424 Fortran in the "full distribution" description.
3426 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3428 Fix PR tree-optimization/28778
3429 Fix PR tree-optimization/29156
3430 Fix PR tree-optimization/29415
3431 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3432 (tree_decl_with_vis): Add artificial_pta_var flag.
3433 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3434 pushed into callers.
3435 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3436 (nonlocal_all): Ditto.
3437 (struct variable_info): Add directly_dereferenced member.
3438 (var_escaped_vars): New variable.
3439 (escaped_vars_tree): Ditto.
3440 (escaped_vars_id): Ditto.
3441 (nonlocal_vars_id): Ditto.
3442 (new_var_info): Set directly_dereferenced.
3443 (graph_size): New variable
3444 (build_constraint_graph): Use graph_size.
3445 (solve_graph): Don't process constraints that cannot change the
3446 solution, don't try to propagate an empty solution to our
3448 (process_constraint): Set directly_dereferenced.
3449 (could_have_pointers): New function.
3450 (get_constraint_for_component_ref): Don't process STRING_CST.
3451 (nonlocal_lookup): New function.
3452 (nonlocal_insert): Ditto.
3453 (create_nonlocal_var): Ditto.
3454 (get_nonlocal_id_for_type): Ditto.
3455 (get_constraint_for): Allow results vector to be empty in the case
3456 of string constants.
3457 Handle results of calls properly.
3458 (update_alias_info): Update alias info stats on number and type of
3460 (find_func_aliases): Use could_have_pointers.
3461 (make_constraint_from_escaped): Renamed from
3462 make_constraint_to_anything, and changed to make constraints from
3464 (make_constraint_to_escaped): New function.
3465 (find_global_initializers): Ditto.
3466 (create_variable_info_for): Make constraint from escaped to any
3467 global variable, and from any global variable to the set of
3469 (intra_create_variable_infos): Deal with escaped instead of
3470 pointing to anything.
3471 (set_uids_in_ptset): Do type pruning on directly dereferenced
3473 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3474 (init_base_vars): Fix comment, and initialize escaped_vars.
3475 (need_to_solve): Removed.
3476 (find_escape_constraints): New function.
3477 (expand_nonlocal_solutions): Ditto.
3478 (compute_points_to_sets): Call find_escape_constraints and
3479 expand_nonlocal_solutions.
3480 (delete_points_to_sets): Don't fall off the end of the graph.
3481 (init_alias_heapvars): Initialize nonlocal_for_type and
3483 (delete_alias_heapvars): Free nonlocal_for_type and null out
3486 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3488 * fold-const.c (add_double): Rename to add_double_with_sign.
3489 Add 'unsigned_p' parameter and take it into account for the overflow.
3490 (mul_double): Rename to mul_double_with_sign.
3491 Add 'unsigned_p' parameter and take it into account for the overflow.
3492 (fold_div_compare): Call add_double_with_sign instead of add_double
3493 and mul_double_with_sign instead of mul_double, passing them the
3494 unsignedness of the type.
3495 * tree.h (add_double): Macroize.
3496 (add_double_with_sign): New prototype.
3497 (mul_double): Macroize.
3498 (mul_double_with_sign): New prototype.
3500 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3502 * config/score/crti.asm: New file.
3503 * config/score/crtn.asm: New file.
3504 * config/score/elf.h: New file.
3505 * config/score/mac.md: New file.
3506 * config/score/misc.md: New file.
3507 * config/score/mul-div.S: New file.
3508 * config/score/predicates.md: New file.
3509 * config/score/score7.md: New file.
3510 * config/score/score.c: New file.
3511 * config/score/score-conv.h: New file.
3512 * config/score/score.h: New file.
3513 * config/score/score.md: New file.
3514 * config/score/score-mdaux.c: New file.
3515 * config/score/score-mdaux.h: New file.
3516 * config/score/score-modes.def: New file.
3517 * config/score/score.opt: New file.
3518 * config/score/score-protos.h: New file.
3519 * config/score/score-version.h: New file.
3520 * config/score/t-score-elf: New file.
3521 * config.gcc: Add score*-*-* configurations(Update before).
3522 * doc/invoke.texi (Score Options): New section.
3523 * doc/md.texi (Score family): New section to document constraints.
3525 2006-10-19 Nick Clifton <nickc@redhat.com>
3527 * config/arm/arm.c: Fix spelling typo.
3529 2006-10-18 Tom Tromey <tromey@redhat.com>
3531 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3533 2006-10-18 Jan Hubicka <jh@suse.cz>
3536 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3539 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3541 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3542 TSI_SAME_STMT, since that's the desired entity.
3544 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3546 * config/s390/contraints.md: New file.
3547 * config/s390/s390-protos.h (s390_mem_constraint,
3548 s390_O_constraint_str, s390_N_constraint_str,
3549 s390_float_const_zero_p): Function prototypes added.
3550 * config/s390/s390.c (s390_extra_constraint_str,
3551 s390_const_double_ok_for_constraint_p,
3552 s390_const_ok_for_constraint_p): Functions removed.
3553 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3554 s390_float_const_zero_p): New functions.
3555 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3556 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3557 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3558 Macro definitions removed.
3559 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3560 s390_extra_constraint_str): Functions removed.
3562 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3563 Richard Sandiford <richard@codesourcery.com>
3566 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3567 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3569 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3571 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3572 (DWARF2_FRAME_REG_OUT): Likewise.
3573 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3574 (DWARF2_FRAME_REG_OUT): Likewise.
3576 2006-10-17 Paul Brook <paul@codesourcery.com>
3578 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3580 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3582 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3583 Standardize on "GNU Fortran" as the official name of the Fortran
3586 2006-10-16 Mike Stump <mrs@apple.com>
3588 * doc/invoke.texi (Darwin Options): Document -mkernel.
3589 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3591 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3592 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3593 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3594 (OS_MISSING_ALTIVEC): Add.
3595 * config/i386/i386.c (override_options): Add
3596 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3597 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3598 -mkernel, -static or -mdynamic-no-pic is given.
3599 (C_COMMON_OVERRIDE_OPTIONS): Add.
3600 * config/darwin.opt (fapple-kext): Add.
3602 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3603 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3605 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3606 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3607 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3608 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3609 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3610 (flag_mkernel): Add.
3611 (flag_apple_kext): Add.
3612 (TARGET_KEXTABI): Add.
3613 * config/darwin.c (darwin_handle_kext_attribute): Add.
3614 (DARWIN_VTABLE_P): Add.
3615 (darwin_binds_local_p): Add partial support for rebinding vtables
3617 (darwin_kextabi_p): Add.
3618 (darwin_override_options): Add.
3619 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3620 (darwin_kextabi_p): Add.
3621 (darwin_override_options): Add.
3622 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3623 __DYNAMIC__ and __STATIC__ here.
3625 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3627 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3628 Added mention of "make pdf" target, and Texinfo requirements for
3631 2006-10-16 DJ Delorie <dj@redhat.com>
3633 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3634 into the GOT in case we need a subreg of the address.
3636 2006-10-16 Richard Guenther <rguenther@suse.de>
3639 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3640 SSE builtin documentation. Document SSE2 builtins.
3642 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3644 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3645 symbol in the output file for non-shared links when -nostdlib or
3646 -nodefaultlibs isn't specified.
3648 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3649 posix thread support.
3651 2006-10-15 Jan Hubicka <jh@suse.cz>
3654 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3655 declared always_inline even when not inlining.
3657 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3658 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3659 Andrew Pinski <pinskia@gmail.com>
3662 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3664 2006-10-15 Jan Hubicka <jh@suse.cz>
3665 Richard Guenther <rguenther@suse.de>
3668 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3669 process_function_and_variable_attributes on all variables, including
3670 those discovered during cgraph construction phase.
3672 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3674 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3676 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3678 * config/i386/athlon.md (athlon_fist): Add fisttp.
3680 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3681 Ian Lance Taylor <ian@airs.com>
3684 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3685 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3688 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3690 * config/score/score.c, config/score/score.h: Fix comment
3693 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3696 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3699 2006-10-13 Eric Christopher <echristo@apple.com>
3701 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3703 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3706 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3707 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3708 alignment supported by 32-bit ELF.
3710 2006-10-13 Eric Christopher <echristo@apple.com>
3712 * config/darwin.c (darwin_emit_unwind_label): Strip
3713 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3715 2006-10-13 Richard Guenther <rguenther@suse.de>
3717 PR tree-optimization/29446
3718 * tree-vrp.c (fix_equivalence_set): Remove.
3719 (extract_range_from_assert): Do not call fix_equivalence_set.
3720 (debug_value_range): Print a newline.
3721 (compare_name_with_value): For equivalence sets with
3722 inconsistent value ranges conservatively bail out.
3723 (compare_names): Likewise.
3725 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3727 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3728 and MPFR for gfortran.
3730 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3732 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3733 alignment supported by 32-bit ELF.
3735 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3739 * c-typeck.c (digest_init): Always allow initializing vectors
3740 that have static storage duration with compound literals.
3741 * tree.c (build_type_attribute_qual_variant): New, based on
3742 build_type_attribute_variant.
3743 (build_type_attribute_variant): Rewrite using the former.
3744 (make_vector_type): Use build_type_attribute_qual_variant to build
3745 type variants. Use type_hash_canon on the others.
3747 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3748 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3750 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3752 2006-10-12 Jan Hubicka <jh@suse.cz>
3755 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3756 current_function_decl is set but current_function_scope is not.
3758 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3760 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3761 emit_insn to emit eh_return_internal instruction.
3762 (eh_return_internal): Explicitly set pc.
3764 2006-10-11 Richard Guenther <rguenther@suse.de>
3766 PR tree-optimization/28230
3767 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3768 to the correct place.
3770 2006-10-11 Richard Guenther <rguenther@suse.de>
3773 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3776 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3778 * configure.ac: Added pdf to "Make-hooks"
3779 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3780 targets and *.pdf file patterns in cleanup targets.
3781 * configure: Regenerated.
3783 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3785 * config/avr/predicates.md: New file.
3786 * config/avr/avr.md: Include it.
3787 (REG_SP): New constant.
3788 (peepholes): Use predicates.
3789 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3790 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3791 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3793 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3795 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3798 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3801 * builtins.c (var_decl_component_p): New function.
3802 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3803 single entry optimization to variables and components thereof.
3805 2006-10-10 Richard Guenther <rguenther@suse.de>
3807 PR rtl-optimization/29323
3808 * except.c (set_nothrow_function_flags): For functions
3809 that do not bind local bail out early.
3811 2006-10-10 Ben Elliston <bje@au.ibm.com>
3813 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3816 2006-10-09 Richard Henderson <rth@redhat.com>
3818 Revert emutls patch.
3820 2006-10-09 Richard Guenther <rguenther@suse.de>
3823 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3826 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3829 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3830 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3831 * configure: Regenerate.
3832 * config.in: Regenerate.
3834 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3836 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3838 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3840 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3841 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3842 Remove stray newline.
3844 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3846 * config/mips/mips.c (mips_classify_symbol): Do not return
3847 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3848 (mips_in_small_data_p): Tweak comments.
3850 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3852 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3854 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3856 * gimplify.c, sched-int.h: Fix comment typos.
3858 * sched-int.h: Fix comment typos.
3860 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3862 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3864 * sched-ebb.c (begin_schedule_ready): Use them.
3865 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3866 add_to_speculative_block, create_check_block_twin, speculate_insn,
3867 fix_jump_move, move_block_after_check): Ditto.
3868 * sched-rgn.c (new_ready): Ditto.
3870 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3872 PR rtl-optimization/29128
3873 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3874 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3875 allow interblock movement of speculation checks.
3877 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3880 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3881 casted to integer type.
3882 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3883 if they are significantly more expensive than [reg + index] ones.
3885 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3887 PR tree-optimization/29330
3888 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3889 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3890 on newly allocated ddrs.
3891 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3892 to VEC (loop_p, heap) pointer.
3893 (compute_data_dependences_for_loop): Adjust caller.
3894 (free_dependence_relations): Free DDR_LOOP_NEST.
3896 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3897 free DEPENDENCE_RELATIONS and DATAREFS.
3900 * builtins.c (expand_builtin_sync_operation,
3901 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3902 Use convert_to_mode to handle promoted arguments.
3904 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3906 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3908 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3910 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3912 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3914 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3915 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3916 Use <modeconstraint> instead of "r" as operand 1 constraint.
3918 2006-10-06 Olivier Hainque <hainque@adacore.com>
3920 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3921 Don't recurse on the pointed-to type.
3922 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3923 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3924 types with components of variable size.
3926 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3928 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3930 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3932 PR tree-optimization/29290
3933 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3937 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3938 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3941 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3942 the number of vector elements fill the rest with zeros.
3944 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3946 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3947 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3950 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3952 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3953 unnamed pattern into subsi3. Use correct constraints/predicates.
3954 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3955 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3957 2006-10-05 Ira Rosen <irar@il.ibm.com>
3959 * doc/loop.texi: Add data references analysis description.
3961 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3963 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3965 2006-10-04 Richard Henderson <rth@redhat.com>
3966 Jakub Jelinek <jakub@redhat.com>
3968 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3969 * builtin-types.def (BT_WORD): Make unsigned.
3970 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3971 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3972 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3973 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3974 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3975 * cgraph.c (decide_is_variable_needed): Look at force_output.
3976 Recurse for emulated tls.
3977 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3978 checks redundant with decide_is_variable_needed.
3979 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3980 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3982 * expr.c (emutls_var_address): New.
3983 (expand_expr_real_1): Expand emulated tls.
3984 (expand_expr_addr_expr_1): Likewise.
3985 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3986 * output.h (emutls_finish): Declare.
3987 * toplev.c (compile_file): Call it.
3988 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3989 address before wrapping in CONST.
3990 * varasm.c (emutls_htab, emutls_object_type): New.
3991 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3992 (get_emutls_object_name, get_emutls_object_type): New.
3993 (get_emutls_init_templ_addr, emutls_decl): New.
3994 (emutls_common_1, emutls_finish): New.
3995 (assemble_variable): When emulating tls, swap decls; generate
3996 constructor for the emutls objects.
3997 (do_assemble_alias): When emulating tls, swap decl and target name.
3998 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4000 * emutls.c: New file.
4001 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4002 tls_object for real tls.
4004 2006-10-04 Zack Weinberg <zackw@panix.com>
4006 Fix bug in constraint-check generator, reported by Rask Ingemann
4008 * genpreds.c (add_constraint): Don't remove anything from the
4010 (write_tm_constrs_h): Detect whether "op" argument is used, and
4011 mark it ARG_UNUSED if it isn't.
4012 (write_insn_const_int_ok_for_constraint): Skip the part of the
4013 expression that would test whether "op" (which is not available
4014 here) is a CONST_INT.
4016 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4019 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4021 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4023 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4024 current Leopard versions.
4025 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4027 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4029 * doc/install.texi: Fix typos.
4031 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4033 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4034 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4035 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4037 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4039 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4040 arg to be struct mach_header_64* instead.
4042 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4045 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4046 side effects after the outer expression's post side effects.
4048 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4050 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4051 comments to reflect actual behavior and relationship between
4052 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4054 * doc/c-tree.texi (Working with declarations): Fix documentation
4055 of FIELD_DECL likewise.
4057 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4060 * doc/extend.texi: Add used variable attribute description.
4062 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4065 * c.opt (Woverride-init): New.
4066 * c-opts.c (c_common_post_options): Default warn_override_init to
4068 * c-typeck.c (add_pending_init, output_init_element): Warn for
4069 overriding initializers without side effects.
4070 * doc/invoke.texi (-Woverride-init): Document.
4073 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4075 PR rtl-optimization/28096
4076 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4077 assignment has already been used as a destination earlier in the block.
4079 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4081 * builtins.c (expand_builtin_setjmp): Delete.
4082 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4083 <BUILT_IN_SETJMP_SETUP>: New case.
4084 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4085 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4086 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4087 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4088 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4089 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4090 (lower_function_body): Initialize it to false. If it is set to true
4091 at the end of the processing, emit the setjmp dispatcher.
4092 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4093 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4094 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4095 on the rhs of the assignment.
4096 (lower_builtin_setjmp): New function.
4097 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4098 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4099 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4100 to detect calls that can go to non-local labels. Use specific
4101 helper to create the abnormal edges associated with them.
4102 <MODIFY_EXPR>: Likewise.
4103 (make_abnormal_goto_edges): New function extracted from...
4104 (make_goto_expr_edges): ...here. Call it for computed gotos.
4105 (simple_goto_p): Minor tweak.
4106 (tree_can_make_abnormal_goto): New predicate.
4107 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4108 (tree_purge_dead_abnormal_call_edges): New function.
4109 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4110 (tree_purge_dead_abnormal_call_edges): Likewise.
4111 (make_abnormal_goto_edges): Likewise.
4112 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4113 Purge all dead abnormal edges if the call was in the last statement.
4114 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4115 (execute_fixup_cfg): If there are non-local labels in the function,
4116 scan the basic blocks and split them at calls that can go to non-local
4117 labels or add missing abnormal call edges. Write down the CFG in the
4119 (pass_fixup_cfg): Remove TODO_dump_func flag.
4120 * unwind-sjlj.c: Poison setjmp.
4121 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4122 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4123 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4124 (DONT_USE_BUILTIN_SETJMP): Document it.
4126 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4129 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4130 to 1 when __ppc64__ is defined.
4131 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4133 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4135 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4137 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4138 * config/ia64/unwind-hpux.c: Delete.
4140 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4142 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4143 on the element before gimplifying it, instead of punting if it is of
4146 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4148 * doc/loop.texi: New file.
4149 * doc/gccint.texi: Reference loop.texi.
4150 * Makefile.in (loop.texi): Add.
4152 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4154 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4156 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4157 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4159 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4161 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4163 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4165 * doc/install.texi: Document required versions of GMP and MPFR.
4167 2006-09-27 Paul Brook <paul@codesourcery.com>
4170 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4172 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4174 * reload1.c (alter_reg): Require the alignment of the stack slot to
4175 be at least reg_max_ref_width bytes.
4176 (scan_paradoxical_subregs): Record the largest width in
4179 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4183 * tree-nested.c (struct nesting_info): Added static_chain_added.
4184 (convert_call_expr): Set static_chain_added when adding static
4185 chain. Handle OMP_PARALLEL and OMP_SECTION.
4187 2006-09-25 Matthias Klose <doko@debian.org>
4189 * doc/invoke.texi: Add missing full stop.
4191 2006-09-25 Richard Henderson <rth@redhat.com>
4193 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4194 before cgraph_function_flags_ready.
4196 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4197 Adam Nemet <anemet@caviumnetworks.com>
4199 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4200 determine_common_wider_type): New functions.
4201 (get_computation_aff): Use them to simplify arithmetic between
4202 UBASE and CBASE if they are shortened from the same type.
4204 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4207 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4208 -2147483647 - 1 instead of 0x80000000.
4210 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4212 * flags.h (HONOR_NANS): Fix typo in comment.
4214 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4216 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4218 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4222 * tree.c (merge_attributes, attribute_list_contained): If both
4223 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4225 * c-typeck.c (comptypes_internal): Don't consider aggregates
4226 in different TUs as compatible if there one set of attributes is
4227 not a subset of the other type's attributes.
4228 (composite_type): Try harder not to create a new aggregate type.
4230 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4232 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4233 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4234 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4235 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4236 than replicating condition above.
4237 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4239 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4240 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4241 the linker by default.
4243 2006-09-22 Mike Stump <mrs@apple.com>
4245 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4248 2006-09-22 Richard Guenther <rguenther@suse.de>
4251 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4252 sort of stack variables stable.
4254 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4257 * explow.c (force_reg): Set REG_POINTER flag according to
4260 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4262 PR tree-optimization/28888
4263 * tree-if-conv.c (combine_blocks): Rewritten.
4264 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4265 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4267 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4269 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4272 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4274 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4276 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4278 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4280 2006-09-21 Roger Sayle <roger@eyesopen.com>
4283 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4284 dw_fde_current_label, to be the start of the function, i.e. the same
4285 value as dw_fde_begin.
4287 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4289 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4290 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4291 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4292 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4293 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4294 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4295 (abs<mode>2, neg<mode>2): Likewise.
4296 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4297 (*mips_abs_ps): New define_insn.
4299 2006-09-20 Josh Conner <jconner@apple.com>
4302 * calls.c (expand_call): Allow reuse of structure return stack
4305 2006-09-20 Paul Brook <paul@codesourcery.com>
4307 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4310 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4312 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4313 clean up terminology.
4315 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4318 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4319 with tablejumps in them.
4321 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4324 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4325 wrap it into TARGET_EXPR.
4327 2006-09-20 Eric Christopher <echristo@apple.com>
4329 * config/i386/i386.c (x86_fisttp): Remove.
4330 * config/i386/i386.h (x86_fisttp): Ditto.
4331 (TARGET_FISTTP): Ditto.
4333 2006-09-19 Eric Christopher <echristo@apple.com>
4335 * doc/tm.texi (OBJC_JBLEN): Describe.
4336 * config/i386/darwin.h (OBJC_JBLEN): Define.
4337 * config/rs6000/darwin.h: Ditto.
4339 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4341 PR rtl-optimization/21299
4342 * reload1.c (reload): Purge invalid ASMs in the final pass.
4344 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4347 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4348 pointers as legitimate constants.
4350 2006-09-19 Paul Brook <paul@codesourcery.com>
4353 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4355 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4357 PR tree-optimization/28887
4358 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4359 component parts from the reference.
4360 (gather_memory_references_ref): Record the reference without the
4361 nonaddressable component parts.
4363 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4366 * c-opts.c (c_common_handle_option): Ignore the -std options
4367 if the input language is assembly.
4369 2006-09-17 Ira Rosen <irar@il.ibm.com>
4372 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4374 (ptr_ptr_may_alias_p): Likewise.
4375 (record_record_differ_p): New function.
4376 (base_object_differ_p): Call record_record_differ_p.
4378 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4381 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4382 away for the expr argument.
4384 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4387 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4388 before using it for dumping after vectorizing loops.
4390 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4391 Jack Howarth <howarth@bromo.med.uc.edu>
4394 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4395 skip on error_mark_node.
4396 (rs6000_darwin64_record_arg_recurse): Likewise.
4398 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4400 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4401 * doc/rtl.texi: Remove related documentation.
4403 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4405 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4408 2006-09-15 Jim Wilson <wilson@specifix.com>
4410 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4411 Handle symbol offsets same as they are handled in ia64_expand_move
4414 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4416 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4417 Add forgotten parameter to the fprintf call.
4419 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4421 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4423 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4425 * doc/contrib.texi: Add my entry.
4427 2006-09-15 Nick Clifton <nickc@redhat.com>
4429 * doc/md.texi (Processor pipeline description): Fix typo in
4430 example of how to use the absence_set directive and reword the
4431 description to make it slightly easier to read.
4433 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4435 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4436 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4437 expanding the number of iterations.
4438 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4440 * cfgrtl.c (emit_insn_at_entry): New function.
4441 * rtl.h (emit_insn_at_entry): Declare it.
4442 * integrate.c (emit_initial_value_sets): Use it.
4444 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4446 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4448 (struct loop_work and related VEC declarations): Delete.
4449 (bfin_dump_loops): Print out new member bad.
4450 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4451 (bfin_scan_loop): Don't recurse.
4452 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4453 loops. No longer need to update outer loops if the current one is
4454 found bad. Move some validitiy checks to bfin_discover_loop.
4455 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4456 but changed not to check for nesting. Also changed to use the new bad
4458 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4459 time. Use bitmap based test to discover loop nesting.
4461 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4463 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4466 2006-09-14 Richard Guenther <rguenther@suse.de>
4467 Kazu Hirata <kazu@codesourcery.com>
4469 PR middle-end/28884.
4470 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4471 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4472 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4473 with TARGET_FUNCTION_VALUE.
4475 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4478 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4480 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4482 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4485 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4488 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4491 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4493 * basic_block.h (bb_has_eh_pred): Fix comment.
4495 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4497 * flow.c (calculate_global_regs_live): Invalidate eh registers
4498 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4499 (propagate_block): Handle eh registers as if they were set at basic
4501 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4503 * global.c (global_conflicts): Make eh registers to conflict with
4504 pseudos live at basic block begin.
4505 * basic_block.h (bb_has_eh_pred): New function.
4507 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4509 PR rtl-optimization/28982
4510 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4511 index of a PRE_MODIFY or POST_MODIFY address.
4512 * reload1.c (inc_for_reload): Use find_replacement on the original
4513 base and index registers.
4515 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4517 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4518 for -Os. Update __m128 alignment requirement.
4520 2006-09-13 Jan Hubicka <jh@suse.cz>
4522 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4524 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4526 PR rtl-optimization/28243
4527 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4528 the insn to which the note was originally attached.
4530 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4531 Roger Sayle <roger@eyesopen.com>
4533 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4534 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4535 on platforms that don't use dwarf for debug info.
4537 2006-09-12 Jason Merrill <jason@redhat.com>
4540 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4541 hard_frame_pointer_rtx after using it to update the frame pointer.
4543 2006-09-12 Roger Sayle <roger@eyesopen.com>
4545 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4546 (TARGET_ASM_CLOSE_PAREN): Likewise.
4547 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4548 (TARGET_ASM_CLOSE_PAREN): Likewise.
4550 2006-09-12 Roger Sayle <roger@eyesopen.com>
4553 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4554 frame information for frames larger than 512 Kbytes on Tru64 when
4555 using the native assembler.
4557 2006-09-12 Roger Sayle <roger@eyesopen.com>
4561 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4562 and symbols. Instead use the implementation from cse.c's hash_rtx.
4564 2006-09-12 Jan Hubicka <jh@suse.cz>
4566 PR rtl-optimization/28071
4567 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4568 (vect_transform_loop): Likewise.
4569 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4570 (new_loop_vec_info): Likewise.
4571 (destroy_loop_vec_info): Likewise.
4572 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4573 (create_stmt_ann): Likewise.
4574 (create_tree_ann): Rename to ...
4575 (create_tree_common_ann): ... this one; allocate only the common part
4577 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4578 (get_value_handle): Likewise.
4579 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4580 get_tree_common_ann.
4581 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4582 (vinfo_for_stmt): Use stmt annotations.
4583 * tree-flow.h (tree_ann_common_t): New type.
4584 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4585 (tree_ann, get_tree_ann, create_tree_ann): New.
4586 * tree-flow-inline.h (get_function_ann): Do more type checking.
4587 (stmt_ann): Likewise.
4588 (tree_ann): Rename to ...
4589 (tree_common_ann): ... this one; return ony common_ann
4590 (get_tree_ann): Rename to ...
4591 (tree_common_ann): This one; return only common_ann.
4592 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4595 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4597 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4598 with_cpu by default.
4600 * dwarf2out.c (dwarf_file_data): New.
4601 (enum dw_val_class): Add dw_val_class_file.
4602 (struct dw_val_struct): Add val_file.
4603 (file_table): Change to a hash table.
4604 (file_table_emitted): Delete.
4605 (file_table_last_lookup_index): Delete.
4606 (emitcount): Delete.
4607 (last_emitted_file): New.
4608 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4609 (init_file_table): Delete.
4610 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4611 (AT_addr): Add comment.
4615 (print_die): Handle dw_val_class_file.
4616 (print_dwarf_line_table): Update for new file table structure.
4617 (attr_checksum): Do checksum a filename.
4618 (same_dw_val_p, same_attr_p): Do compare a filename.
4619 (size_of_die): Handle dw_val_class_file.
4620 (value_format): Likewise.
4621 (output_die): Likewise. Also, call maybe_emit_file here.
4622 (struct file_info): Constify filenames. Make file_idx a pointer
4623 to a struct dwarf_file_data.
4624 (struct dir_info): Constify directory names. Remove 'used' field.
4625 (struct file_name_acquire_data): New.
4626 (file_name_acquire): New.
4627 (output_file_names): Modify to handle new file data structures.
4628 (add_src_coords_attributes): Use add_AT_file.
4629 (add_call_src_coords_attributes): Likewise.
4630 (dwarf2out_imported_module_or_decl): Likewise.
4631 (gen_subprogram_die): Modify for new file data structures.
4632 (gen_variable_die): Likewise.
4633 (file_table_eq): New.
4634 (file_table_hash): New.
4635 (file_table_last_lookup): New.
4636 (lookup_filename): Rewrite to handle new file data structures.
4637 (maybe_emit_file): Rewrite to handle new file data structures.
4638 (dwarf2out_source_line): Always call lookup_filename and
4640 (dwarf2out_init): Create file_table here.
4641 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4642 (file_table_relative_p): New.
4643 (dwarf2out_finish): Change detection of relative filenames
4644 to work with new file data structures. Move output_line_info call
4645 after debug_info output.
4647 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4652 * config/i386/i386.c (override_options): Always default to 16
4653 byte stack boundary.
4655 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4658 * var-tracking.c (dump_dataflow_set): Start dumping at
4660 (clobber_variable_part): Kill only the variable part in
4661 registers holding it, leaving other variables alone.
4663 2006-09-11 Josh Triplett <josh@freedesktop.org>
4665 * doc/extend.texi (Other Builtins): Actually use the macro
4666 argument in the documentation example for
4667 __builtin_types_compatible_p.
4669 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4671 PR rtl-optimization/28726
4672 * sched-deps.c (sched_analyze_reg): New function extracted from...
4673 (sched_analyze_1): ...here. Call it to analyze references to
4674 registers. Treat again writes to a stack register as writing to the
4676 (sched_analyze_2): ...and here. Call it to analyze references to
4677 registers. Treat again reads of a stack register as reading the
4680 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4681 David Edelsohn <edelsohn@gnu.org>
4684 * config/rs6000/spe.md (frob_df_di): Remove %H.
4685 (frob_di_df): Remove %H. Change evmergelo to mr.
4686 (frob_di_df_2): Remove %H. Change evldd to two loads.
4688 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4690 * doc/cpp.texi: Fix names of charset options.
4692 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4695 * config/i386/i386.c (override_options): Use 128-bit
4696 stack boundary always for 64bits.
4698 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4700 PR rtl-optimization/28636
4701 * combine.c (force_to_mode): Test for side-effects before
4702 substituting by zero.
4703 (simplify_shift_const): Likewise for zero or other constants.
4705 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4708 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4711 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4714 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4715 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4716 returned by mode_for_size, rather than the mode of src itself,
4717 to choose between 32-bit and 64-bit patterns.
4718 (mips_mem_fits_mode_p): New function.
4719 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4720 that the size of the source matches the size of the destination.
4721 (mov_<store>l, mov_<store>r): Likewise.
4723 2006-09-10 Eric Christopher <echristo@apple.com>
4725 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4728 2006-09-09 Eric Christopher <echristo@apple.com>
4731 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4734 2006-09-09 Roger Sayle <roger@eyesopen.com>
4735 Nicolas Setton <setton@adacore.com>
4737 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4739 2006-09-10 Andreas Schwab <schwab@suse.de>
4741 * config/m68k/m68k.md (bungt_rev): New pattern.
4743 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4744 Dale Johannesen <dalej@apple.com>
4747 * regclass.c (struct reg_pref): Update documentation.
4748 (regclass): Set prefclass to NO_REGS if memory is the best option.
4749 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4751 2006-09-08 Eric Christopher <echristo@apple.com>
4753 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4754 * config/t-slibgcc-darwin: Support x86_64 multilib.
4755 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4756 Return 1 for x86_64-darwin.
4757 * config/i386/t-darwin: Add m64 multilib.
4758 (LIB2_SIDITI_CONV_FUNCS): Use.
4759 (LIB2FUNCS_EXTRA): Ditto.
4760 * config/i386/darwin.h: Support x86_64.
4761 * config/i386/i386.c (override_options): Turn on flag_pic
4762 for x86_64-darwin. Disable flag_omit_pointer.
4763 (get_pc_thunk_name): Assert !TARGET_64BIT.
4764 (legitimate_address_p): Disable machopic addressing for
4766 (legitimize_pic_address): Ditto.
4767 (ix86_expand_move): Ditto.
4768 (ix86_expand_call): Ditto.
4769 (machopic_output_stub): Ditto.
4770 * config/darwin.c (machopic_select_section): Support literal16.
4771 (machopic_select_rtx_section): Ditto.
4772 * config/darwin-sections.def: Ditto.
4773 * config/darwin-64.c: New.
4775 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4778 * c-tree.h (struct c_arg_info): Add pending_sizes.
4779 * c-parser.c (c_parser_parms_declarator,
4780 c_parser_parms_list_declarator): Initialize pending_sizes.
4781 * c-decl.c (get_parm_info): Initialize pending_sizes.
4782 (get_parm_info): Set pending_sizes.
4783 (grokdeclarator): Call put_pending_sizes for parameters for
4784 function definition only.
4786 2006-09-07 Jason Merrill <jason@redhat.com>
4789 * varasm.c (output_constant): Only strip actual no-op conversions.
4792 * config/i386/i386.c (override_options): Use 128-bit
4793 stack boundary if -msse.
4795 2006-09-07 Eric Christopher <echristo@apple.com>
4797 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4799 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4802 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4804 * dwarf2out.c: Remove strange characters from comment above
4805 dwarf2out_frame_debug_expr.
4807 2006-09-07 Eric Christopher <echristo@apple.com>
4809 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4810 * config/darwin.h: ... to here.
4812 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4814 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4816 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4817 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4819 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4820 TARGET_PARTIAL_FLAG_REG_STALL.
4821 (*ashldi3_cconly_rex64): Likewise.
4822 (*ashlsi3_cmp): Likewise.
4823 (*ashlsi3_cconly): Likewise.
4824 (*ashlsi3_cmp_zext): Likewise.
4825 (*ashlhi3_cmp): Likewise.
4826 (*ashlhi3_cconly): Likewise.
4827 (*ashlqi3_cmp): Likewise.
4828 (*ashlqi3_cconly): Likewise.
4829 (*ashrdi3_cmp_rex64): Likewise.
4830 (*ashrdi3_cconly_rex64): Likewise.
4831 (*ashrsi3_cmp): Likewise.
4832 (*ashrsi3_cconly): Likewise.
4833 (*ashrsi3_cmp_zext): Likewise.
4834 (*ashrhi3_cmp): Likewise.
4835 (*ashrhi3_cconly): Likewise.
4836 (*ashrqi3_cmp): Likewise.
4837 (*ashrqi3_cconly): Likewise.
4838 (*lshrdi3_cmp_rex64): Likewise.
4839 (*lshrdi3_cconly_rex64): Likewise.
4840 (*lshrsi3_cmp): Likewise.
4841 (*lshrsi3_cconly): Likewise.
4842 (*lshrsi3_cmp_zext): Likewise.
4843 (*lshrhi3_cmp): Likewise.
4844 (*lshrhi3_cconly): Likewise.
4845 (*lshrqi2_cmp): Likewise.
4846 (*lshrqi2_cconly): Likewise.
4848 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4851 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4852 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4853 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4854 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4855 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4856 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4857 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4858 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4859 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4860 implement only CC setting effects of shift instructions.
4862 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4864 * doc/contrib.texi: Add myself.
4866 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4869 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4870 was set by the user.
4872 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4875 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4876 (divsi_inv_m1): Use them.
4877 (UNSPEC_DIV_INV_TABLE): New constant.
4879 2006-09-06 James E Wilson <wilson@specifix.com>
4882 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4883 then call count_or_remove_death_notes.
4885 2006-09-06 Jason Merrill <jason@redhat.com>
4888 * tree-inline.c (copy_result_decl_to_var): New fn.
4889 (declare_return_variable): Use it. Call declare_inline_vars here.
4890 (expand_call_inline): Not here.
4892 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4894 * doc/contrib.texi: Update my entry.
4896 2006-09-06 Nick Clifton <nickc@redhat.com>
4898 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4900 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4903 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4904 (canonicalize_induction_variables): Likewise.
4905 (tree_unroll_loops_completely): Likewise.
4906 (tree_ssa_prefetch_arrays): Likewise.
4907 (remove_empty_loops): Likewise.
4908 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4909 TODO_cleanup_cfg instead of directly calling
4910 cleanup_tree_cfg_loop.
4911 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4913 (tree_unroll_loops_completely): Likewise.
4914 (remove_empty_loops): Likewise.
4915 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4916 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4917 of tree_ssa_unswitch_loops.
4918 (tree_ssa_loop_ivcanon): Use the return value of
4919 canonicalize_induction_variables.
4920 (tree_ssa_empty_loop): Use the return value of
4922 (tree_complete_unroll): Use the return value of
4923 tree_unroll_loops_completely.
4924 (tree_ssa_loop_prefetch): Use the return value of
4925 tree_ssa_prefetch_arrays.
4926 * passes.c (execute_todo): Before Cleanup CFG, set
4927 updating_used_alone and after cleanup CFG, call
4928 recalculate_used_alone.
4930 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4933 * tree-vect-transform.c (vectorizable_condition): Move the check
4934 for the type after the check for simple condition.
4936 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4937 Kaz Kojima <kkojima@gcc.gnu.org>
4940 * mode-switching.c (optimize_mode_switching): Make the destination
4941 block of an abnormal edge have no anticipatable mode. Don't
4942 insert mode switching code at the end of the source block of
4945 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4947 PR rtl-optimization/26847
4948 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4949 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4950 (simplify_plus_minus): Count n_constants while filling ops. Replace
4951 qsort with insertion sort. Before going through the array to simplify
4952 pairs, sort it. Delay early exit until after the first sort, exiting
4953 only if no swaps occurred. Simplify pairs in reversed order, without
4954 special-casing the first iteration. Pack ops after simplifying pairs.
4956 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4958 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4959 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4960 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4961 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4963 2006-09-05 Richard Guenther <rguenther@suse.de>
4965 PR tree-optimization/28900
4966 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4967 compound conditional before creating COND_EXPR condition.
4969 2006-09-05 Richard Guenther <rguenther@suse.de>
4971 PR tree-optimization/28905
4972 * tree-vrp.c (fix_equivalence_set): Manually implement
4973 !value_ranges_intersect_p to also handle symbolic ranges.
4975 2006-09-05 Richard Guenther <rguenther@suse.de>
4978 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4981 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4983 PR rtl-optimization/27616
4984 * cse.c (table_size): New static variable.
4985 (new_basic_block): Initialize it to 0.
4986 (remove_from_table): Decrement it.
4987 (insert): Increment it.
4988 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4989 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4990 fold_rtx_mem_1 if under the cap.
4991 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4992 the lookup of the equivalent expression and test for equality of the
4993 first operand of the equivalent expression before in turn looking up
4994 an equivalent constant for the second operand.
4996 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4999 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5000 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5001 pointer, instead of assuming it is possible to derive the
5002 correct args size from a call insn.
5004 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5007 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5008 (fold_builtin_mempcpy): Rename to...
5009 (fold_builtin_memory_op): ... this. Optimize one element copy
5011 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5013 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5014 (expand_builtin_memcpy, expand_builtin_mempcpy,
5015 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5016 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5017 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5018 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5020 2006-09-01 DJ Delorie <dj@redhat.com>
5022 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5023 (stzx_16): Likewise.
5024 ("stzx_24_<mode>"): Likewise.
5025 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5026 ("cmp<mode>_op"): New.
5027 (cmp<mode>): Change to expander; just save operands.
5029 (b<code>): Change to expander, emit compare here.
5030 (s<code>_op): Change to use split and expander.
5031 (s<code>_24_op): Likewise.
5032 (s<code>_<mode>): New.
5033 (s<code>_<mode>_24): New.
5034 (movqicc_<code>_<mode): New.
5035 (movhicc_<code>_<mode>): New.
5038 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5039 (m32c_pend_compare): New.
5040 (m32c_unpend_compare): New.
5041 (m32c_expand_scc): New.
5042 (m32c_expand_movcc): Emit the compare also.
5043 * config/m32c/predicates.md (mra_nopp_operand): New.
5045 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5046 Richard Guenther <rguenther@suse.de>
5047 Adam Nemet <anemet@caviumnetworks.com>
5050 * builtins.c (get_pointer_alignment): Handle more forms
5051 of base addresses that can be used to derive more precise
5052 information about alignment.
5054 2006-09-01 Jason Merrill <jason@redhat.com>
5057 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5060 * gimplify.c (voidify_wrapper_expr): Handle null type.
5062 2006-09-01 Josh Conner <jconner@apple.com>
5065 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5066 (execute_return_slot_opt): Use it.
5068 2006-08-31 Josh Conner <jconner@apple.com>
5071 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5072 returning aggregates.
5074 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5076 PR tree-optimization/28839
5077 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5078 blocks in that phi arguments appear.
5080 2006-08-31 Roger Sayle <roger@eyesopen.com>
5083 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5084 NULL, otherwise use an advance_loc4 to adjust relative to the
5086 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5087 (dwarf2out_switch_text_section): Reset the current label to avoid
5088 using advance_loc4 over section boundaries.
5090 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5093 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5094 r12 + SYMBOLIC_CONST.
5096 2006-08-30 Richard Guenther <rguenther@suse.de>
5098 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5100 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5102 PR rtl-optimization/27735
5103 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5104 Add new argument to keep track of whether an irreducible region
5105 was affected. All callers changed.
5106 (fix_irreducible_loops): Removed.
5107 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5108 flags were invalidated.
5110 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5112 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5113 instead of SF operands.
5114 (*fop_df_comm_sse): Likewise.
5115 (*fop_df_comm_i387): Likewise.
5116 (*fop_df_1_mixed): Likewise.
5117 (*fop_df_1_sse): Likewise.
5119 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5120 J"orn Rennecke <joern.rennecke@st.com>
5122 PR tree-optimization/17506
5123 * tree-ssa.c (warn_uninit): If warning about a location outside of
5124 the current function, note where the variable was declared.
5126 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5128 PR tree-optimization/28411
5129 * double-int.c (double_int_div): Use double_int_divmod.
5130 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5131 double_int_mod, double_int_smod, double_int_umod): New functions.
5132 * double-int.h (double_int_divmod, double_int_sdivmod,
5133 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5135 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5137 (get_computation_aff, get_computation_cost_at): Handle double_int
5138 return type of constant_multiple_of.
5140 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5143 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5144 an implicit conversion.
5146 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5148 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5150 2006-08-27 Roger Sayle <roger@eyesopen.com>
5152 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5155 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5157 * config/i386/crtfastmath.c: Fix a comment typo.
5159 2006-08-26 Roger Sayle <roger@eyesopen.com>
5161 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5162 temporary visit flags on CASE_LABEL_EXPRs.
5163 * c-common.c (match_case_to_enum): Add function comment. Avoid
5164 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5165 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5166 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5167 a constant, only warn if that constant value isn't handled.
5169 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5172 * input.h (restore_input_file_stack): Declare.
5173 (INPUT_FILE_STACK_BITS): Define.
5174 * toplev.c (fs_p, input_file_stack_history,
5175 input_file_stack_restored, restore_input_file_stack): New.
5176 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5177 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5178 (pop_srcloc): Don't free old state of stack.
5180 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5183 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5184 (PowerPC Type Attributes): New.
5186 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5188 * config/xtensa/xtensa.c (function_arg_boundary): New.
5189 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5191 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5192 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5194 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5197 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5200 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5202 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5203 (verify_local_live_at_start): Likewise.
5205 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5208 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5209 omp_add_variable): Treat sizes as variable whenever not
5212 2006-08-26 Richard Guenther <rguenther@suse.de>
5215 * fold-const.c (fold_binary): Fold temporary to correct
5216 type before constructing new comparison.
5218 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5221 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5222 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5224 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5227 * c-decl.c (start_function): Don't try to process prototype
5228 information from old declaration that isn't a function.
5230 2006-08-25 Jan Hubicka <jh@suse.cz>
5233 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5235 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5238 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5241 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5243 PR tree-optimization/16876
5244 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5245 exit if PARM doesn't match VALUE.
5247 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5249 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5250 literal_prefix directive.
5251 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5252 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5253 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5255 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5258 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5259 predicate to general_operand. Add 0->y and I->r alternatives.
5261 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5263 * doc/tm.texi: Fix a typo.
5264 * predict.c: Fix comment typos.
5266 2006-08-25 Nick Clifton <nickc@redhat.com>
5268 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5269 assertions of "cpu" and "machine".
5271 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5274 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5275 the access through a base which has an alias set of 0 cannot
5278 2006-08-24 Bill Wendling <wendling@apple.com>
5280 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5282 2006-08-24 Jan Hubicka <jh@suse.cz>
5284 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5286 2006-08-24 Jan Hubicka <jh@suse.cz>
5289 * cgraph.c: Fix comments.
5290 (cgraph_varpool_mark_needed_node): Mark only variables not already
5292 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5293 (cgraph_varpool_assembled_nodes_queue): New static variable.
5294 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5295 (cgraph_varpool_output_debug_info): New function.
5296 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5297 * Makefile.in: Add gt-cgraphunit.h
5299 2006-08-24 Jan Hubicka <jh@suse.cz>
5301 * predict.c (probability_reliable_p): New predicate.
5302 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5303 (predict_loops): Do not predict loop exit with less than 2%
5305 * basic-block.h (edge_probability_reliable_p,
5306 br_prob_note_reliable_p): Declare.
5307 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5308 prediction when static predictor is not reliable.
5309 * rs6000.c (output_cbranch): Likewise.
5311 2006-08-23 Stuart Hastings <stuart@apple.com>
5314 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5315 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5317 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5320 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5321 complex values, nor for generic vector values.
5323 2006-08-22 Richard Guenther <rguenther@suse.de>
5326 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5327 parameter. Convert arguments to arithmetic expression to the
5329 (analyze_scalar_evolution_1): Adjust caller.
5331 2006-08-22 Jan Hubicka <jh@suse.cz>
5333 Patch by Paolo Bonzini
5334 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5337 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5339 PR tree-optimization/28003
5340 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5341 before grouping aliases.
5343 2006-08-22 Roger Sayle <roger@eyesopen.com>
5345 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5346 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5348 2006-08-21 Jason Merrill <jason@redhat.com>
5351 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5352 wrapper. Loop to handle nested wrappers.
5353 (gimplify_bind_expr): Remove temp parameter.
5354 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5355 and STATEMENT_LIST on the rhs.
5356 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5357 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5358 (gimplify_target_expr): Remove special BIND_EXPR handling.
5360 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5362 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5365 2006-08-21 Olivier Hainque <hainque@adacore.com>
5367 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5368 Arrange for the temporary captures of components overlapping the lhs
5369 to happen before the lhs is possibly cleared.
5371 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5373 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5374 necessary places to pass the correct "number of registers" values
5377 2006-08-20 Jan Hubicka <jh@suse.cz>
5379 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5380 (create_name_tags): Instead of quadratic checking use hashtable.
5381 * bitmap.h: Include hashtab.h.
5382 (bitmap_hash): Declare.
5383 * bitmap.c (bitmap_hash): New function.
5385 2006-08-20 Jan Hubicka <jh@suse.cz>
5387 PR rtl-optimization/28071
5388 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5390 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5391 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5392 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5393 cgraph_decide_inlining_incrementally): Update use of
5394 cgraph_check_inline_limits.
5395 * cgraph.c (edge_hash, edge_eq): New function.
5396 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5397 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5398 cgraph_remove_node): Maintain call site hash.
5399 * cgraph.h (struct cgraph_node): Add call_site_hash.
5400 (cgraph_set_call_stmt): New function.
5402 2006-08-20 Jan Hubicka <jh@suse.cz>
5404 PR rtl-optimization/28071
5405 * reload1.c (reg_has_output_reload): Turn into regset.
5406 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5407 choose_reload_regs, emit_reload_insns): Update to new
5408 reg_has_output_reload.
5410 2006-08-20 Jan Hubicka <jh@suse.cz>
5413 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5414 function body sizes.
5415 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5417 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5420 * tree.c (handle_dll_attribute): Return early if not a
5421 var or function decl.
5423 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5426 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5427 alignment of SPE vector types.
5429 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5431 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5433 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5436 * cgraph.h (struct cgraph_node): Remove externally_visible
5438 * cgraphunit.c (process_function_and_variable_attributes): Set
5439 local.externally_visible rather than externally_visible.
5442 * c-common.c (handle_externally_visible_attribute): First look
5443 at TREE_CODE and only if it is function or var decl, check for
5444 non-public objects. Don't warn for DECL_EXTERNAL.
5445 * cgraphunit.c (process_function_and_variable_attributes): Warn
5446 if externally_visible attribute is used on non-public object.
5448 2006-08-17 Jan Hubicka <jh@suse.cz>
5450 PR tree-optimization/27865
5451 * reload1.c (forget_marked_reloads): New function.
5452 (forget_old_reloads_1): When data are passed, just mark the registers
5454 (reload_as_needed): Use the new mechanizm.
5456 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5459 * reload.h (reg_equiv_alt_mem_list): New declaration.
5460 * reload1.c (reg_equiv_alt_mem_list): New definition.
5461 (reload): Initialize it and release it.
5462 (delete_output_reload): Use it.
5463 * reload.c (push_reg_equiv_alt_mem): New function.
5464 (find_reloads_toplev): Call it.
5465 (find_reloads_address, find_reloads_address_1): Likewise.
5466 (find_reloads_subreg_address): Likewise.
5468 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5470 PR rtl-optimization/28489
5471 * sched-ebb.c (begin_schedule_ready): Create basic block
5473 (advance_target_bb): Skip empty blocks.
5474 * haifa-sched.c (bb_note): Make global.
5475 * sched-int.h (bb_note): Add prototype.
5477 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5479 PR tree-optimization/27865
5480 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5482 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5483 fold_used_pointer, pointer_used_p): New functions.
5484 (analyze_scalar_evolution_1): Use fold_used_pointer.
5485 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5486 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5489 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5492 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5493 or the INTEGER_CST. Fail on a CALL_EXPR.
5494 (fold_offsetof): Pass new argument to fold_offsetof_1.
5495 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5496 operand into an INDIRECT_REF.
5497 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5499 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5501 PR gcov/profile/26570
5502 * value-prof.c (static_values): Removed.
5503 (tree_find_values_to_profile): Do not set static_values.
5504 (find_values_to_profile): Do not free static_values.
5505 * profile.c (instrument_values): Do not free the values.
5506 (branch_prob): Free the values.
5508 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5510 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5512 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5515 * c-typeck.c (build_component_ref): Combine qualifiers of
5516 structure or union and field.
5518 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5520 PR rtl-optimization/28071
5521 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5522 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5523 * tree-into-ssa.c (struct dom_dfsnum): New.
5524 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5526 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5527 compute_global_livein.
5528 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5529 in phi nodes in the correct blocks.
5531 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5533 PR tree-optimization/28364
5534 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5536 (fold_affine_expr): New function.
5537 (may_eliminate_iv): Use fold_affine_expr.
5539 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5542 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5545 2006-08-16 Mike Stump <mrs@apple.com>
5547 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5548 * doc/cppopts.texi (-MD): Likewise.
5550 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5553 * c-common.c (handle_weak_attribute): Ignore and warn if
5554 not a FUNCTION_ or VAR_DECL.
5556 2006-07-15 Mike Stump <mrs@apple.com>
5559 * c-parser.c (c_parser_typeof_specifier): Don't use
5560 c_finish_expr_stmt, open code desired semantics instead.
5562 2006-08-15 Nick Clifton <nickc@redhat.com>
5564 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5565 fragment to tmake_file only if threads are enabled.
5566 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5567 * config/i386/t-gthr-win32: New file. ... here.
5569 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5572 * c-parser.c (c_parser_compound_statement_nostart): Reset
5573 parser->error after each statement.
5575 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5578 * omp-low.c (lower_omp_parallel): Convert t to
5579 receiver_decl's type.
5580 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5581 source before comparison.
5584 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5585 to itype in assignment to oldival2.
5587 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5591 * c-typeck.c (build_compound_expr): If the second expression
5592 is an error mark, then just return an error mark instead of
5593 creating a COMPOUND_EXPR.
5595 2006-07-14 Mike Stump <mrs@apple.com>
5597 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5599 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5601 * c-decl.c, var-tracking.c: Fix comment typos.
5603 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5605 PR rtl-optimization/28634
5606 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5607 for floating-point modes unless flag_unsafe_math_optimizations.
5609 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5610 Andrew Pinski <pinskia@physics.uc.edu>
5613 * tree.c (build_array_type): Unify array types with
5614 unspecified index_type.
5615 * c-decl.c (grokdeclarator): Make sure we do not modify a
5616 unified incomplete array type.
5617 * c-typeck.c (store_init_value): Create distinct type before
5618 filling in the index type in an initializer from a compound
5621 * c-decl.c (grokdeclarator): Remove code where we copy the
5624 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5626 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5627 into account for TODO_dump_cgraph.
5628 (TODO_update_ssa_no_phi): Likewise.
5629 (TODO_update_ssa_full_phi): Likewise.
5630 (TODO_update_ssa_only_virtuals): Likewise.
5631 (TODO_remove_unused_locals): Likewise.
5632 (TODO_set_props): Likewise.
5633 (TODO_update_stmt_usage): Likewise.
5635 2006-08-13 Dirk Mueller <dmueller@suse.de>
5637 * c-common.c (strict_aliasing_warning): Fix formatting.
5639 2006-08-13 Matthias Klose <doko@debian.org>
5641 * doc/invoke.texi: Fix spelling errors.
5643 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5645 PR rtl-optimization/23454
5646 * reorg.c (relax_delay_slots): Update comment.
5648 2006-08-11 Richard Guenther <rguenther@suse.de>
5651 * simplify-rtx.c (simplify_const_relational_operation):
5652 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5655 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5657 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5658 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5660 2006-08-10 Paul Brook <paul@codesourcery.com>
5662 * final.c (final_scan_insn): Clear current_insn_predicate before
5663 outputting inline asm.
5665 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5667 PR tree-optimization/26197
5668 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5669 get_ref_base_and_extent and overlap_subvar to add only relevant
5670 subvars as may-aliases.
5671 (add_may_alias_for_new_tag): New function, factored out of
5673 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5674 with additional argument.
5675 * tree-flow.h (new_type_alias): Takes additional argument.
5677 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5679 * gcov.c (no_data_file): New flag.
5680 (read_count_file): Set it if data file not present. Assume counts
5682 (output_lines): Don't name the data file, if there wasn't one.
5684 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5686 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5687 (rs6000_generate_compare): Tweak comments.
5688 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5690 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5692 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5693 (var_debug_decl): New function.
5694 (var_reg_set): Follow debug decl link. Add location even if
5695 reg is already known to hold some other variable.
5696 (var_mem_set): Follow debug decl link.
5697 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5698 decl link. Delete other known locations of the variable part
5700 (var_reg_delete, var_mem_delete): Delete other known locations
5701 of the variable part if requested.
5702 (same_variable_part_p): New function.
5703 (add_stores): Select MO_COPY when appropriate.
5704 (vt_initialize): Handle it.
5705 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5706 known locations for MO_SET and MO_CLOBBER.
5707 (find_variable_location_part): New function.
5708 (set_variable_part, delete_variable_part): Use it.
5709 (clobber_variable_part): New function.
5710 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5713 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5715 PR tree-optimization/26969
5716 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5717 with an empty list of PHIs.
5719 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5723 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5726 2006-08-06 Andreas Schwab <schwab@suse.de>
5728 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5729 string. Whitespace and comment fixup.
5731 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5734 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5738 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5741 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5743 2006-08-04 Jan Hubicka <jh@suse.cz>
5747 * reload.c (push_reload): Patch out the mismatching instruction;
5749 (find_reload): Bail out if the instruction was patched out.
5751 2006-08-04 Jan Hubicka <jh@suse.cz>
5753 PR tree-optimization/24888
5754 * tree-inline.c (expand_call_inline): Do not re-record variables.
5755 (declare_inline_vars): Add variable to unexpanded_var_list.
5757 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5758 Roger Sayle <roger@eyesopen.com>
5760 PR rtl-optimization/26244
5761 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5762 inner_const are negative or greater than or equal to the bitsize of
5763 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5764 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5765 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5766 CONST0_RTX (mode) when the new shift count is greater than or equal to
5767 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5770 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5772 * tree-cfg.c: Fix a comment typo.
5774 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5777 * varasm.c (output_constant): Give the front end another chance to
5778 expand constants, after stripping NOPs.
5780 2006-08-03 Jan Hubicka <jh@suse.cz>
5782 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5785 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5787 PR tree-optimization/27770
5788 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5789 declaration removed (moved to tree-flow.h).
5790 (vect_can_force_dr_alignment_p): Likewise.
5791 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5792 (moved from tree-vectorizer.h).
5793 (vect_can_force_dr_alignment_p): Likewise.
5794 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5795 from outside the vectorizer - in particular from cgraph stage.
5796 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5797 the alignment of global arrays when -fsection-anchors is enabled.
5798 * cgraphunit.c (cgraph_increase_alignment): New function.
5799 (cgraph_optimize): Call cgraph_increase_alignment.
5801 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5804 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5805 not reload a SPE symbol_ref into a lo_sum address.
5807 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5810 * dwarf2out.c (prune_unused_types_prune): Move call to
5811 prune_unused_types_update_strings to cover the parent DIE also.
5813 2006-08-02 Jan Hubicka <jh@suse.cz>
5815 PR gcov/profile/28480
5816 * tree-cfg.c (change_bb_for_stmt): New function.
5817 (tree_merge_blocks, tree_split_blocks): Use it.
5819 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5825 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5826 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5827 (cgraph_optimize): Likewise.
5829 2006-08-01 Stuart Hastings <stuart@apple.com>
5831 * rtl.h (UINTVAL) New.
5832 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5833 * testsuite/gcc.dg/20060801-1.c: New.
5835 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5838 * c-typeck.c (build_external_type): Mark used enum types.
5839 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5841 (gen_subprogram_die): Whitespace fix.
5843 2006-08-01 Jan Hubicka <jh@suse.cz>
5845 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5846 bitmap when not needed.
5847 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5850 2006-08-01 Dirk Mueller <dmueller@suse.de>
5852 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5854 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5856 * Makefile.in: Revert part of previous patch:
5857 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5860 2006-07-30 Eric Christopher <echristo@apple.com>
5863 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5864 (PowerPC Variable Attributes): New section.
5866 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5868 PR target/28126 (partial fix)
5869 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5871 2006-07-28 Jan Hubicka <jh@suse.cz>
5873 PR rtl-optimization/28071
5874 * cfgrtl.c (rtl_delete_block): Free regsets.
5875 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5877 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5879 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5880 and variables used in dependencies.
5882 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5884 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5885 %fs for -mcmodel=kernel.
5886 (stack_tls_protect_test_di): Likewise.
5888 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5890 * Makefile.in: Use mkinstalldirs.
5892 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5895 * opts-common.c (prune_options): Skip joined switches.
5897 2006-07-27 Jan Hubicka <jh@suse.cz>
5899 PR rtl-optimization/28071
5900 * cselib.c (cselib_process_insn): Don't remove useless values too
5901 often for very large hashtables.
5903 2006-07-27 Jan Hubicka <jh@suse.cz>
5905 PR rtl-optimization/28071
5906 * global.c (greg_obstack): New obstack.
5907 (allocate_bb_info): Use it.
5908 (free_bb_info): Likewise.
5909 (modify_reg_pav): Likewise.
5911 2006-07-27 Roger Sayle <roger@eyesopen.com>
5913 * builtins.c (fold_fixed_mathfn): When long and long long are the
5914 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5915 functions to their lceil*, lfloor*, lround* and lrint* forms.
5917 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5920 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5922 (rev_branch_insn): Likewise.
5924 2006-07-27 Jan Hubicka <jh@suse.cz>
5926 PR rtl-optimization/28071
5927 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5928 (reg_set_in_bb, max_reg_computed): New static variables.
5929 (regmove_optimize): Free the new array.
5930 (fixup_match_1): Update call of reg_is_remote_constant_p.
5932 2006-07-26 Jan Hubicka <jh@suse.cz>
5934 PR tree-optimization/27882
5935 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5937 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5939 (cgraph_analyze_compilation_unit): Likewise.
5940 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5941 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5942 (cgraph_early_inlinine): Make order garbage collected.
5943 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5945 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5947 * dbxout.c (output_types_sort): Add a comment.
5948 (output_used_types): Free the VEC.
5950 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5952 * function.c (reorder_fix_fragments): Delete.
5953 (reorder_blocks): Don't call it.
5954 (reorder_blocks_1): Put all subblocks under the origin block.
5956 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5958 PR rtl-optimization/27907
5959 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5962 2006-07-25 Roger Sayle <roger@eyesopen.com>
5965 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5966 bar(x) check that bar's result type can represent all the values of T.
5968 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5970 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5972 2006-07-25 Nick Clifton <nickc@redhat.com>
5974 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5975 size_lookup[] array.
5976 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5977 (ggc_pch_count_object): Likewise.
5978 (ggc_pch_alloc_object): Likewise.
5979 (ggc_pch_write_object): Likewise.
5980 (init_ggc): Do not attempt to initialize entries in the
5981 size_lookup[] array for objects whose size is greater than than
5982 the length of the array.
5984 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5986 * dbxout.c (output_used_types_helper): Push queued types
5988 (output_types_sort): New.
5989 (output_used_types): Collect used types on a VEC and sort them
5992 2006-07-24 Richard Guenther <rguenther@suse.de>
5995 * cgraph.c (cgraph_remove_node): Do not check if dumps
5997 * cgraphunit.c (cgraph_optimize): Likewise.
5999 2006-07-24 Jan Hubicka <jh@suse.cz>
6001 PR rtl-optimization/28071
6002 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6003 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6004 splitting before first stmt.
6006 2006-07-24 Jan Hubicka <jh@suse.cz>
6008 PR rtl-optimization/28071
6009 * ipa-inline.c (update_caller_keys): Remove edges that
6010 are no longer inline candidates.
6012 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6015 * dbxout.c (output_used_types_helper, output_used_types): New.
6016 (dbxout_symbol): Call output_used_types.
6018 2006-07-23 Jan Hubicka <jh@suse.cz>
6022 * cgraph.c (cgraph_varpool_nodes): Export.
6023 (decide_is_variable_needed): Ignored "used" attribute in
6024 unit-at-a-time mode.
6025 * cgraph.h (cgraph_varpool_nodes): Declare.
6026 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6027 unit-at-a-time mode.
6029 2006-07-23 Roger Sayle <roger@eyesopen.com>
6032 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6033 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6034 the __gthrw form of thr_keycreate.
6035 (__gthread_key_delete): Silence the unused argument warning.
6037 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6040 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6041 Cache the last found '\0' marker to avoid quadratic behavior.
6043 2006-07-23 Jan Hubicka <jh@suse.cz>
6045 * i386.md (subsi_3_zext): Fix output template.
6047 2006-07-21 Mike Stump <mrs@apple.com>
6049 * doc/invoke.texi (C++ Dialect Options): Note that
6050 -fvisibility-inlines-hidden doesn't affect explicitly
6051 instantiationed inline methods.
6053 2006-07-20 Roger Sayle <roger@eyesopen.com>
6055 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6056 if the target assembler is GNU binutils' gas.
6057 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6058 whether to pass GNU gas or native as command line options.
6060 2006-07-20 Jason Merrill <jason@redhat.com>
6062 * tree.c (remove_attribute): New fn.
6063 * tree.h: Declare it.
6065 2006-07-20 Paul Brook <paul@codesourcery.com>
6068 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6069 they are invalidated by this instruction.
6071 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6074 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6076 2006-07-20 Eric Christopher <echristo@apple.com>
6079 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6081 2006-07-19 Eric Christopher <echristo@apple.com>
6083 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6084 Rewrite dependencies for libgcc_s.1.dylib.
6086 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6088 * except.c (duplicate_eh_regions_1): Clear next_peer.
6090 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6092 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6093 -mlongcall does not guarantee all calls will be long.
6094 * doc/extend.texi (long_call/short_call): Document that longcall
6095 does not guarantee a long call will be used.
6096 (longcall/shortcall): Likewise.
6098 2006-07-18 Roger Sayle <roger@eyesopen.com>
6101 * expmed.c (expand_shift): Additionally check that the shift_cost
6102 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6103 before implementing a LSHIFT_EXPR as a sequence of additions.
6104 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6105 middle-end that DImode shifts need to be synthesized by expand.
6107 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6110 * tree-ssa-operands.c (access_can_touch_variable): Update
6112 Return true if ALIAS is .GLOBAL_VAR.
6114 2006-07-18 David Daney <ddaney@avtrex.com>
6116 * gcc.c (display_help): Fix typo in help text.
6118 2006-07-18 Olivier Hainque <hainque@adacore.com>
6120 * tree.h (categorize_ctor_elements): Adjust prototype and add
6121 descriptive comment, both in accordance with the interface change
6123 * varasm.c (constructor_static_from_elts_p): New function.
6124 Whether a constructor node is a valid static constant initializer
6125 if all its elements are.
6126 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6127 * output.h: Declare it.
6128 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6129 is a valid constant initializer instead of computing the number of
6130 non-constant elements. Use constructor_static_from_elts_p for this
6131 purpose. Replace the head comment with an indication that this is a
6132 helper for categorize_ctor_elements.
6133 (categorize_ctor_elements): Same interface change as for the _1
6134 helper. Former head comment from this helper moved here, adjusted to
6135 account for the interface changes.
6136 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6137 (all_zeros_p): Likewise.
6138 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6139 static versions of the constructor from the categorize_ctor_elements
6140 return value instead of the formerly computed number of non-constant
6143 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6145 * configure: Regenerate.
6146 * Makefile.in (build_libsubdir): New configure substitution
6147 (build_libobjdir): New variable.
6148 (BUILD_LIBIBERTY): Use it.
6150 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6153 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6155 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6158 * c-common.c (handle_weakref_attribute): Ignore attribute in
6159 the same conditions the alias attribute is ignored.
6161 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6163 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6164 (dbxout_begin_prologue): Increment scope_labelno.
6166 2006-07-17 Richard Henderson <rth@redhat.com>
6169 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6172 2006-07-17 Roger Sayle <roger@eyesopen.com>
6173 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6175 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6176 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6177 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6178 functions such as sbrk, write, etc.. Add function prototypes.
6179 Convert function declarations from K&R to ISO C. Cast pointers
6180 to "long" and "unsigned long" instead of "int" and "unsigned int".
6181 Convert tokens following #endif into comments.
6183 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6185 * invoke.texi: Remove mention of f77; Reformat table for
6186 inline parameter options correctly; mention that -malign-double
6187 is default on x86-64 targets.
6189 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6191 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6192 (convert_affine_scev, chrec_convert_aggressive): Use
6193 avoid_arithmetics_in_type_p. Do not check for the subtypes
6196 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6199 * optabs.c (expand_doubleword_shift): Wrap the call to
6200 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6202 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6205 * optabs.c (expand_binop): Pass next_methods rather than methods
6206 to expand_doubleword_shift.
6208 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6211 * tree.h (dump_addr): Declare.
6212 * print-tree.c (dump_addr): New function.
6213 (print_node_brief, print_node): Use it.
6214 * print-rtl.c (print_rtx): Likewise.
6215 * common.opt (-fdump-noaddr): New option.
6216 * doc/invoke.texi (-fdump-noaddr): Document.
6217 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6218 (ve_info_hash): Likewise.
6220 2006-07-13 Andrew Haley <aph@redhat.com>
6222 PR tree-optimization/19505
6223 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6224 edge leaving this block, make sure that the destination of this
6225 block has only one predecessor.
6227 2006-07-17 Richard Guenther <rguenther@suse.de>
6229 PR tree-optimization/28238
6230 * tree-inline.c (copy_bb): Check if we produced valid
6231 gimple copying and substituting a stmt. If not, gimplify
6234 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6236 * optabs.c (maybe_encapsulate_block): New function extracted from...
6237 (emit_libcall_block): ...here. Invoke it on the block of insns to
6238 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6239 (emit_no_conflict_block): Likewise.
6241 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6243 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6245 2006-07-15 Roger Sayle <roger@eyesopen.com>
6247 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6248 a new NOP_EXPR case of the switch statement.
6250 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6253 * stor-layout.c (place_field): Take the bit field with
6254 an excessive size into account in the ms-bitfiled case.
6257 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6258 the previous bit field.
6260 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6263 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6265 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6267 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6268 signal frames correctly even when the signal was installed with
6271 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6273 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6274 (dbxout_function_end): Use local label LFBB. Remove hook
6276 (dbxout_source_line): Use local label LFBB.
6277 (dbxout_block): Likewise.
6278 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6279 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6280 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6281 and DBX_OUTPUT_NFUN.
6283 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6285 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6287 2006-07-13 Jan Hubicka <jh@suse.cz>
6289 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6291 * output.h (align_variable): Declare.
6292 * varasm.c (align_variable): Export.
6293 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6294 when basic block changed.
6296 2006-07-13 Nick Clifton <nickc@redhat.com>
6298 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6299 walking the LOG_LINKS chain.
6301 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6303 * doc/invoke.texi (C++ Dialect Options): Explain difference
6304 between -fvisibility-inlines-hidden and setting hidden
6305 visibility explicitly.
6307 2006-07-12 Eric Christopher <echristo@apple.com>
6309 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6310 (stmp-lipo): Depend on libgcc.a.
6312 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6314 * tree.c: Fix a comment typo.
6316 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6318 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6320 (umulhisi3_r): Likewise.
6322 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6325 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6326 x < 19, vs wchar_t support.
6328 2006-07-12 Nick Clifton <nickc@redhat.com>
6330 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6331 instead of -isa=sh4.
6333 2006-07-12 Mike Stump <mrs@apple.com>
6335 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6337 2006-07-10 Eric Christopher <echristo@apple.com>
6339 * config/t-slibgcc-darwin: Rewrite.
6341 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6344 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6347 2006-07-08 Matthias Klose <doko@debian.org>
6349 * doc/sourcebuild.texi: Fix typo.
6351 2006-07-07 Mike Stump <mrs@apple.com>
6353 * toplev.c (process_options): Don't give -ffunction-sections may
6354 affect debugging warning for Mach-O.
6356 2006-07-07 James E Wilson <wilson@specifix.com>
6358 * config/mips/mips.md (cpu): Add sb1a.
6359 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6360 addition to sb1. Adjust comments to clarify SB-1A differences from
6362 (ir_sb1a_load): New. Modify bypasses to use it.
6363 (ir_sb1a_simple_alu): Likewise.
6364 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6365 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6366 (mips_issue_rate): Add PROCESSOR_SB1A.
6367 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6368 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6369 (TARGET_SB1): Add PROCESSOR_SB1A check.
6370 (TUNE_SB1): Likewise.
6372 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6373 * config/mips/mips.c (mips_store_data_bypass_p): New.
6374 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6375 store_data_bypass_p.
6377 2006-07-08 Paul Brook <paul@codesourcery.com>
6380 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6382 2006-07-07 Richard Guenther <rguenther@suse.de>
6385 * tree.h (build_one_cst): Declare.
6386 * tree.c (build_one_cst): New function.
6387 * tree-ssa-math-opts.c (get_constant_one): Remove.
6388 (insert_reciprocals): Use build_one_cst.
6389 * fold-const.c (fold_plusminus_mult): Likewise.
6391 2006-07-07 Roger Sayle <roger@eyesopen.com>
6393 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6394 * cfgloopanal.c (dump_graph): Likewise.
6395 * dojump.c (discard_pending_stack_adjust): Likewise.
6396 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6398 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6399 * function.c (finalize_block_changes): Likewise.
6400 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6401 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6402 * rtl.c (dump_rtx_statistics): Likewise.
6403 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6405 * varray.c (dump_varray_statistics): Likewise.
6406 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6407 decode_decimal64, encode_decimal128, decode_decimal128,
6408 decimal_real_to_decimal): Likewise.
6410 2006-07-07 Richard Guenther <rguenther@suse.de>
6412 PR tree-optimization/28187
6413 * tree-vrp.c (vrp_operand_equal_p): New function.
6414 (vrp_bitmap_equal_p): Likewise.
6415 (update_value_range): Use them to compare old and new
6418 2006-07-06 Roger Sayle <roger@eyesopen.com>
6420 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6421 a default case to switch statement to silence compiler warnings.
6423 2006-07-06 Roger Sayle <roger@eyesopen.com>
6426 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6427 the configured assembler supports the x87's ffreep mnemonic.
6428 * configure: Regenerate.
6429 * config.in: Regenerate.
6431 * config/i386/i386.c (output_387_ffreep): New function.
6432 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6433 (output_387_reg_move): Likewise.
6435 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6437 Port to hosts whose 'sort' and 'tail' implementations
6438 treat operands with leading '+' as file names, as POSIX
6439 has required since 2001. However, make sure the code still
6440 works on pre-POSIX hosts.
6441 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6442 which says you should use "tail -c +N" rather than "tail +Nc".
6443 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6445 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6447 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6450 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6453 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6454 PRE_{INC,DEC} of TFmode.
6456 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6457 Alan Modra <amodra@bigpond.net.au>
6460 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6463 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6466 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6467 Remove duplicate gtu.
6469 2006-07-05 Jason Merrill <jason@redhat.com>
6473 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6474 * c-common.c (handle_packed_attribute): So don't copy it here.
6475 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6477 2006-07-05 Mike Stump <mrs@apple.com>
6479 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6481 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6484 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6486 2006-07-05 Richard Guenther <rguenther@suse.de>
6489 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6490 TARGET_SSE2 targets if using SSE math.
6491 (*absdf2_1): Likewise.
6493 2006-07-05 Richard Guenther <rguenther@suse.de>
6495 PR tree-optimization/28162
6496 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6497 make sure to convert the operands to the correct type.
6499 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6501 PR tree-optimization/28218
6503 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6504 to calculate and free the dominator information.
6506 2006-07-04 Peter O'Gorman <peter@pogma.com>
6508 * mklibgcc.in: chmod 644 before ranlib during install.
6510 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6511 J"orn Rennecke <joern.rennecke@st.com>
6513 * configure.ac (.eh_frame data check): Use diff -b.
6515 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6518 * Makefile.in (BUILD_RTL): Add build/vec.o.
6519 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6520 (build/genextract): Delete.
6521 (build/genautomata): Likewise.
6523 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6526 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6527 128-bit IBM long doubles for ABI_V4.
6529 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6531 * tree.c (range_in_array_bounds_p): New predicate.
6532 * tree.h (range_in_array_bounds_p): Declare it.
6533 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6534 return a less conservative answer.
6535 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6536 and flag 'is_group'.
6537 (IS_ELEMENT_FOR_GROUP): New macro.
6538 (FOR_EACH_ACTUAL_CHILD): Likewise.
6539 (next_child_for_group): New helper function.
6540 (can_completely_scalarize_p): Take into account groups.
6541 (sra_hash_tree): Handle RANGE_EXPR.
6542 (sra_elt_eq): Likewise.
6543 (lookup_element): Be prepared for handling groups.
6544 (is_valid_const_index): Delete.
6545 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6546 instead of is_valid_const_index.
6547 <ARRAY_RANGE_REF>: New case.
6548 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6549 is_valid_const_index.
6550 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6551 (scan_dump): Dump info for groups too.
6552 (decide_instantiation_1): Likewise.
6553 (decide_block_copy): Assert that the element is not a group.
6554 Propagate decision to groups.
6555 (generate_one_element_ref): Handle RANGE_EXPR.
6556 (mark_no_warning): Iterate over actual childs.
6557 (generate_copy_inout): Likewise.
6558 (generate_element_copy): Likewise.
6559 (generate_element_zero): Likewise.
6560 (generate_element_init_1): Likewise.
6561 (dump_sra_elt_name): Handle RANGE_EXPR.
6563 2006-07-03 Roger Sayle <roger@eyesopen.com>
6565 PR tree-optimization/26251
6566 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6567 (thread_block): When optimizing for size refuse to thread jumps
6568 that would require duplication of blocks other than redirection
6571 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6573 * configure.ac: Fix thinko in previous check-in.
6574 * configure: Regenerate.
6576 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6579 * configure.ac (for lang...): Simplify nesting of conditionals.
6580 Test subdir_requires for non-enabled languages. Move processing
6581 of lang_opt_files and lang_tree_fiels below that test.
6582 * configure: Regenerate.
6583 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6585 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6587 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6589 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6591 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6594 2006-06-29 Jason Merrill <jason@redhat.com>
6601 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6602 * c-common.c (c_determine_visibility): Handle it here.
6603 * c-decl.c (finish_decl): Call c_determine_visibility for
6605 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6607 * varasm.c (default_assemble_visibility): Likewise.
6608 * c-common.c (handle_visibility_attribute): Complain about trying
6609 to give visibility to an already defined class, or trying to change
6610 declared visibility. Always attach the attribute.
6615 * attribs.c (decl_attributes): Ignore type-in-place attributes
6616 once the type has been defined.
6618 2006-06-29 Roger Sayle <roger@eyesopen.com>
6621 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6622 to indicate the cpplib has issued an error message for us.
6624 2006-06-29 Asher Langton <langton2@llnl.gov>
6627 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6628 insert a label at the end of an function under Mach-O.
6630 2006-06-29 Eric Christopher <echristo@apple.com>
6631 Evan Cheng <evan.cheng@apple.com>
6633 * predicates.md (vector_all_ones_operand): New.
6634 (nonimmediate_or_sse_const_operand): Ditto.
6635 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6636 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6637 (standard_sse_mode_p): Ditto.
6638 (standard_sse_constant_p): Add case for -1 vector.
6639 (ix86_expand_vector_move): Try to use.
6640 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6641 Call standard_sse_constant_opcode.
6642 (*movv4sf_internal): Ditto.
6643 (*movv2df_internal): Ditto.
6645 2006-06-29 Roger Sayle <roger@eyesopen.com>
6647 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6648 of XEXP to extract the operands of a MATCH_CODE rtx.
6650 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6652 * tree.c (tree_size): Do not waste tail padding in
6653 struct tree_string and make the size be the same as
6654 build_string will generate.
6656 2006-06-28 Jason Merrill <jason@redhat.com>
6659 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6660 may_aliases already in the tag's annotations to the bitmap.
6662 2006-06-28 Roger Sayle <roger@eyesopen.com>
6664 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6666 2006-06-28 Roger Sayle <roger@eyesopen.com>
6668 * genpreds.c (generate_switch_p): New function.
6669 (add_mode_tests): Push the new mode test down inside an AND expr
6670 if this allows the switch-suitable MATCH_CODE to be near the root.
6671 (write_match_code_switch): New function to write a MATCH_CODE as
6673 (write_predicate_stmts): New function to write a predicate RTX
6674 expression as a sequence of statements.
6675 (write_one_predicate_function): Use write_predicate_stmts.
6676 (write_tm_constrs_h): Likewise.
6678 2006-06-26 Fred Fish <fnf@specifix.com>
6680 * config/mips/t-sb1: New file.
6681 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6684 2006-06-26 DJ Delorie <dj@redhat.com>
6686 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6688 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6689 Jayant Sonar <jayants@kpitcummins.com>
6690 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6692 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6693 (subsi3, subsi3_1, subsi3_2): New.
6694 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6695 * config/m32c/mov.md (SI mov peephole): New.
6696 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6697 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6699 2006-06-26 Olivier Hainque <hainque@adacore.com>
6701 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6702 a CALL_EXPR target function declaration.
6704 2006-06-26 Richard Guenther <rguenther@suse.de>
6706 * tree.c (build_string): Do not waste tail padding in
6709 2006-06-26 Richard Guenther <rguenther@suse.de>
6711 * ggc-page.c (init_ggc): Add missing element to size_lookup
6715 2006-06-23 Richard Guenther <rguenther@suse.de>
6717 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6718 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6719 alignment requests instead. Add verification code.
6720 Add struct tree_function_decl and struct tree_binfo size to
6721 extra_order_size_table. Add missing element to size_lookup
6724 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6727 * fold-const.c (const_binop): Be prepared for self returning zero.
6728 Simplify code handling complex values.
6730 2006-06-24 Olivier Hainque <hainque@adacore.com>
6732 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6733 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6736 2006-06-24 Olivier Hainque <hainque@adacore.com>
6738 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6739 ARRAY_REF, so have the callback called for the low bound expression.
6741 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6743 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6744 * c-typeck.c (c_common_type): Disallow operations on decimal float
6745 types and other float types.
6746 * convert.c (convert_to_real): Don't ignore conversions involving
6747 decimal float types.
6749 2006-06-23 Olivier Hainque <hainque@adacore.com>
6751 * tree.c (max_int_size_in_bytes): New function, inspired from
6752 code in function.c:assign_temp.
6753 * tree.h (max_int_size_in_bytes): Declare.
6754 * function.c (assign_temp): Use it.
6755 * gimplify.c (create_tmp_var): Relax the assertions on the type
6756 properties, not mandating constant size any more.
6757 (force_constant_size): New static function.
6758 (gimple_add_tmp_var): Use it, forcing variable size to a
6759 constant upper bound if it is not constant on entry.
6761 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6764 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6765 for initialization and setting of one_only flag to ...
6766 (i386_pe_encode_section_info): ...here.
6767 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6768 Recheck that the symbol has not been defined.
6770 2006-06-23 Richard Guenther <rguenther@suse.de>
6772 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6773 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6774 alignment requests instead. Add verification code.
6775 Add struct tree_function_decl and struct tree_binfo size to
6776 extra_order_size_table. Add missing element to size_lookup
6779 2006-06-22 Roger Sayle <roger@eyesopen.com>
6780 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6783 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6784 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6786 2006-06-23 Ben Elliston <bje@au.ibm.com>
6788 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6789 negate dn -- manipulate it directly.
6791 2006-06-22 Roger Sayle <roger@eyesopen.com>
6792 Steven Bosscher <stevenb.gcc@gmail.com>
6795 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6796 generated by gen_move_insn to add REG_LABEL notes if necessary.
6798 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6800 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6801 (leaf_entry): Remove use of MIN_ESA.
6803 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6805 PR rtl-optimization/28121
6806 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6809 2006-06-21 DJ Delorie <dj@redhat.com>
6811 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6813 (mulhisi3_r): Likewise.
6815 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6818 * coverage.c (coverage_counter_alloc): Leave the index type
6820 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6823 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6825 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6826 section from the "Options for Code Generation Conventions".
6828 2006-06-21 Richard Henderson <rth@redhat.com>
6832 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6834 (global_symbolic_operand): Allow weak symbols, even if local_p.
6836 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6838 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6839 (find_interesting_uses_address): Punt if above function returns true.
6841 2006-06-21 Richard Guenther <rguenther@suse.de>
6843 * configure: Regenerated.
6845 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6847 * config/mips/mips.c (function_arg): Where one part of a
6848 complex argument is in registers and the other part in the stack,
6849 return a REG not a PARALLEL.
6851 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6853 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6854 when cross-compiling. Do not substitute libstdcxx_incdir.
6855 * configure: Regenerated.
6857 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6859 * varasm.c (mergeable_string_section): Check for embedded NULs and
6860 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6861 rather than TREE_STRING_LENGTH bytes.
6863 2006-06-21 Richard Guenther <rguenther@suse.de>
6865 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6866 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6869 2006-06-21 Richrad Guenther <rguenther@suse.de>
6871 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6872 Limit iteration over the dominators.
6874 2006-06-20 Roger Sayle <roger@eyesopen.com>
6876 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6877 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6879 2006-06-20 Richard Guenther <rguenther@suse.de>
6880 Michael Matz <matz@suse.de>
6882 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6884 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6885 * et-forest.h (et_free_pools): Prototype new function.
6886 * et-forest.c (et_free_tree_force): Free parent occurrence.
6887 (et_free_pools): New function.
6888 * dominance.c (free_dominance_info): Free et-forest alloc
6891 2006-06-20 Roger Sayle <roger@eyesopen.com>
6893 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6894 integer modes, attempt to directly construct an integer constant.
6896 * fold-const.c (native_encode_vector): Determine the size of each
6897 element from the vector type instead of the first vector element.
6899 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6900 if all of its elements/components are constant.
6901 (build_constructor_from_list): Likewise.
6903 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6905 PR tree-optimization/27331
6906 * tree-data-ref.c (free_data_ref): New function.
6907 (create_data_ref): Fail if the data reference has unknown access
6909 (free_data_refs): Use free_data_ref.
6911 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6914 * tree-inline.c (setup_one_parameter): Strip useless
6915 type conversion before adding it to the IR.
6916 (declare_return_variable): Likewise.
6918 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6921 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6923 2006-06-19 Mike Stump <mrs@apple.com>
6925 * tree.c (variably_modified_type_p): VM arguments don't make the
6928 2006-06-19 Richard Guenther <rguenther@suse.de>
6930 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6931 type conversions after folding.
6933 2006-06-19 Richard Guenther <rguenther@suse.de>
6935 * ggc-page.c (extra_order_size_tab): Add entries with
6936 size of struct function and basic_block.
6937 (size_lookup): Extend to cover sizes up to 511.
6938 (ggc_alloc_stat): Adjust user.
6939 (ggc_pch_count_object): Likewise.
6940 (ggc_pch_alloc_object): Likewise.
6941 (ggc_pch_write_object): Likewise.
6943 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6945 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6946 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6949 2006-06-19 Denis Chertykov <denisc@overta.ru>
6951 * config/avr/libgcc.S : Correct my wrong previous commit.
6953 2006-06-19 Roger Sayle <roger@eyesopen.com>
6956 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6957 have stripped a SUBREG from the shift count, so we may need to
6958 convert_to_mode back to the type's mode before calling make_tree.
6959 Use new_amount instead of amount to avoid expanding a tree twice.
6961 2006-06-19 Richard Guenther <rguenther@suse.de>
6964 * fold-const.c (operand_equal_p): Check if the argument types
6965 have the same precision before stripping NOPs.
6967 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6969 Fix PR tree-optimization/27341
6970 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6972 * tree-complex.c (pass_lower_complex): Update SMT usage.
6974 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6976 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6977 Add a new alternative to the constraint strings. Add move of
6978 operand 1 to 3 to the splitter definition.
6979 ("doloop_si_long"): Second contraint alternative removed.
6981 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6983 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6984 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6986 (AVR_HAVE_MOVW) Define.
6987 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6988 (ASM_SPEC): Add avr25.
6989 (LINK_SPEC): Add avr25.
6990 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6991 (base_arch_s): Add new member 'have_movw_lpmx'.
6992 (avr_arch_types): Init 'have_movw_lpmx'.
6993 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6994 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6995 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6996 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6997 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6999 (avr_file_start): Do not output '.arh' derective.
7000 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7001 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7002 * config/avr/avr.md (mcu_enhanced): Delete.
7003 (mcu_have_movw): Define.
7004 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7005 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7006 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7007 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7008 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7009 attiny861 and at86rf401 devices.
7011 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7013 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7016 2006-06-17 Karl Berry <karl@gnu.org>
7018 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7019 doc/gccint.texi, doc/install.texi (@dircategory): Use
7020 "Software development" instead of "Programming", following
7021 the Free Software Directory.
7023 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7025 * config/i386/i386.c (legitimate_tls_address)
7026 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7027 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7028 (*tls_dynamic_gnu2_combine_64): Likewise.
7030 2006-06-16 Richard Guenther <rguenther@suse.de>
7033 * fold-const.c (negate_expr_p): Do not introduce undefined
7034 overflow in negating INTEGER_CSTs.
7035 (fold_negate_expr): Rename from negate_expr. Revert last
7036 change for folding BIT_NOT_EXPR. Change semantics to
7037 return NULL_TREE for non-simplified negations. Do not
7038 strip type conversions and unify type handling.
7039 (negate_expr): New function, wrap around fold_negate_expr
7040 but ensure building a tree always. Strip type conversions
7041 here, fold to result type.
7042 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7044 2006-06-16 Roger Sayle <roger@eyesopen.com>
7047 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7048 that (would) return their results in stack registers.
7050 2006-06-16 Michael Matz <matz@suse.de>
7051 Richard Guenther <rguenther@suse.de>
7053 * fold-const.c (fold_truthop): Only return new tree node if
7054 we canonicalized something.
7056 2006-06-16 Richard Guenther <rguenther@suse.de>
7058 * function.h (enum function_frequency): Move declaration
7059 out of struct function.
7060 (struct function): Move bool fields and the enum to the bitfield
7061 section. Reorder elements to avoid padding. Remove unused
7062 fields left over from the RTL inliner removal.
7063 * function.c (free_after_compilation): Do not zero removed fields.
7064 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7065 (ipa-type-escape.o): Likewise.
7067 2006-06-16 Richard Guenther <rguenther@suse.de>
7069 * cgraph.h (struct cgraph_local_info): Turn bool elements
7071 (struct cgraph_node): Likewise.
7072 (struct cgraph_varpool_node): Likewise.
7074 2006-06-15 Richard Guenther <rguenther@suse.de>
7076 * fold-const.c (fold_truth_not_expr): Rename from
7077 invert_truthvalue. Give it fold_* semantics to avoid
7079 (invert_truthvalue): New function. Wrapper around
7080 fold_truth_not_expr.
7081 (optimize_minmax_comparison): Avoid creating garbage.
7082 (fold_unary): Use fold_truth_not_expr for folding
7084 (fold_ternary): Replace uses of invert_truthvalue with
7085 fold_truth_not_expr where applicable.
7086 * tree.h (fold_truth_not_expr): Prototype.
7088 2006-06-16 Richard Guenther <rguenther@suse.de>
7090 PR tree-optimization/27781
7091 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7092 * ipa-pure-const.c (target.h): Include.
7093 (analyze_function): Do not analyze functions that do not
7096 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7099 * tree-dfa.c (referenced_vars_dup_list): Remove.
7100 (find_referenced_vars): Remove assert.
7101 (referenced_var_check_and_insert): Replace dup list with assert.
7102 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7103 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7105 2006-06-15 Richard Guenther <rguenther@suse.de>
7107 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7108 extra unused identifiers if not dumping.
7109 (create_variable_info_for): Likewise.
7111 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7113 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7114 (derive_constant_upper_bound): Derive more precise upper bound in
7115 common cases. Return type changed to double_int.
7116 (record_estimate): Reflect the changed return type of
7117 derive_constant_upper_bound.
7118 * double-int.c (double_int_zext, double_int_sext): Fix.
7120 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7122 * configure.ac (CFLAGS): Get them from the toplevel or from the
7123 configure invocation.
7124 * configure: Regenerate.
7125 * Makefile.in (CFLAGS): Substitute value provided by configure.
7127 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7130 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7131 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7132 rather than calling add_stmt on it.
7133 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7135 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7138 * reload1.c (reload): Remove registers returned by update_eliminables
7139 from used_spill_regs.
7141 2006-06-13 DJ Delorie <dj@redhat.com>
7143 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7145 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7147 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7148 html__strip_dir, html__mkdir_p. Enhance install-html target.
7149 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7150 * configure: Regenerate.
7152 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7154 * fold-const.c (fold_cond_expr_with_comparison): Check for
7155 Objective-C++ as language in deciding COND_EXPR transformation.
7157 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7160 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7161 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7162 * config/sh/lib1funcs.h (SL, SL1): Define.
7163 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7164 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7165 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7166 (OBJS_Os_4_200): New variable.
7167 ($(T)libgcc-Os-4-200.a): Use it.
7168 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7169 when dividing 1 and/or by 0.
7171 2006-06-13 Roger Sayle <roger@eyesopen.com>
7173 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7174 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7175 * configure: Regenerate.
7177 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7179 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7180 for real instruction.
7182 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7185 * haifa-sched.c (check_cfg): Handle special case.
7187 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7190 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7191 Add debug_info parameter. Chain the vars to the BLOCK instead
7192 of the BIND_EXPR if debug info are requested for them.
7193 (pop_gimplify_context): Adjust for above change.
7194 (gimple_add_tmp_var): Likewise.
7195 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7197 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7198 (convert_local_reference): Likewise.
7199 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7200 (finalize_nesting_tree_1): Request that debug info be emitted
7201 for debug_var_chain.
7203 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7205 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7206 for PR target/27863.
7208 2006-06-13 Richard Guenther <rguenther@suse.de>
7211 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7213 2006-06-13 Richard Guenther <rguenther@suse.de>
7215 PR tree-optimization/27830
7216 * tree-inline.c (copy_body_r): For copying the operand
7217 of an ADDR_EXPR make sure to fold &* afterwards.
7219 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7221 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7222 lvalues in the fb_none case with side-effects.
7224 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7226 * tree-flow.h: Remove the prototype for
7227 compute_phi_arg_on_exit.
7228 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7229 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7232 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7234 * builtins.c (expand_builtin_return_addr): Only use
7235 frame_pointer_rtx when count == 0 and we are expanding
7236 __builtin_return_address.
7238 2006-06-12 Fred Fish <fnf@specifix.com>
7240 * config/mips/mips.c (mips_file_start): Create special section
7241 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7243 2006-06-11 Eric Christopher <echristo@apple.com>
7246 * stor-layout.c (place_field): Remove check for
7247 remaining_in_alignment when aligning at the end of a run.
7249 2006-06-11 Eric Christopher <echristo@apple.com>
7252 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7255 2006-06-11 Roger Sayle <roger@eyesopen.com>
7258 Revert incorrect fix for PR target/27158
7259 2006-05-08 Roger Sayle <roger@eyesopen.com>
7260 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7261 of a reg_equiv_constant if the result is a legitimate constant.
7263 2006-06-11 Roger Sayle <roger@eyesopen.com>
7266 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7267 extract a CONST_VECTOR element and interpret it as an integer.
7268 (vspltis_constant): Use const_vector_elt_as_int instead of the
7269 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7270 * config/rs6000/predicates.md (easy_vector_const): Consider
7271 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7273 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7276 * stor-layout.c (update_alignment_for_field): Don't add extra
7277 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7280 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7282 * config/mips/t-rtems: Add EL/EB multilib variants.
7284 2006-06-09 Mike Stump <mrs@apple.com>
7286 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7288 2006-06-09 David Daney <ddaney@avtrex.com>
7290 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7292 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7294 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7296 2006-06-09 Richard Guenther <rguenther@suse.de>
7298 PR tree-optimization/26998
7299 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7300 of signed types, only TYPE_MIN_VALUE is special, but for both,
7301 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7302 in this case, as is -fwrapv.
7304 2006-06-08 Mike Stump <mrs@apple.com>
7307 * config/darwin.c (darwin_asm_output_anchor): Disable
7308 -fsection-anchors on darwin for now.
7309 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7310 * rs6000/rs6000.c (optimization_options): Likewise.
7312 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7315 * config/i386/i386.c (classify_argument): Skip fields with invalid
7318 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7320 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7321 (cse_insn): Likewise for the stack_pointer_rtx.
7323 2006-06-08 Roger Sayle <roger@eyesopen.com>
7325 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7326 conditions from floating point comparisons.
7328 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7331 * expmed.c (struct alg_hash_entry): Fix type of field T
7332 to match synth_mult argument.
7333 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7335 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7338 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7341 2006-06-08 Richard Guenther <rguenther@suse.de>
7344 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7345 only, if overflow is defined and not trapping.
7346 (negate_expr): Likewise.
7348 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7350 PR tree-optimization/27872
7351 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7352 flag on the new exit edge of the unrolled loop.
7354 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7356 PR rtl-optimization/26449
7357 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7359 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7362 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7363 referenced_variables with matching DECL_UID's.
7364 (find_referenced_vars): Make sure duplicate list is empty to start.
7365 (referenced_var_p): Remove.
7366 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7367 Check if var is in the list, and add if needed. Update the duplicate
7368 list if a different var is in the list with the same DECL_UID.
7369 (add_referenced_var): Call routine to check and insert.
7370 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7371 * tree-flow.h (referenced_vars_dup_list): External declaration.
7373 2006-06-07 Fred Fish <fnf@specifix.com>
7375 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7378 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7381 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7382 the imaginary and real parts of a clobbered register.
7383 Emit insn to set the imaginary part.
7385 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7387 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7388 in lieu of unwind-dw2-fde.c.
7390 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7392 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7394 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7397 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7398 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7399 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7400 V4SImode temporaries and operations instead.
7402 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7404 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7407 2006-06-06 Mike Stump <mrs@apple.com>
7409 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7410 installing during build.
7412 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7414 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7416 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7417 * config/ia64/ia64.c (params.h): New header.
7418 (ia64_optimization_options): New function to adjust parameters.
7419 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7420 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7421 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7423 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7425 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7427 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7430 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7432 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7433 Victor Kaplansky <victork@il.ibm.com>
7435 PR tree-optimization/26360
7436 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7439 2006-06-04 Roger Sayle <roger@eyesopen.com>
7440 Andrew Pinski <pinskia@physics.uc.edu>
7443 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7444 for LABEL_DECL before calling DECL_WEAK.
7447 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7448 LABEL_DECL and PARM_DECL.
7450 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7454 * c-decl.c (grokdeclarator): Disallow variably modified types at
7455 file scope. Avoid marking shared array type of constant size as
7458 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7461 * c-common.c (fold_offsetof_1): Handle static members.
7463 2006-06-04 Eric Christopher <echristo@apple.com>
7465 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7466 (debug_rli): Output value for remaining_in_alignment.
7467 (update_alignment_for_field): Unconditionalize
7468 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7469 extra alignment code.
7470 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7471 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7472 * tree.h (record_layout_info_s): Remove prev_packed.
7473 * doc/extend.texi (ms_struct): Add documentation of format.
7475 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7477 * tree.h: Declare folding_initializer.
7478 * builtins.c (fold_builtin_constant_p): Give definite answer
7479 if folding inside an initializer.
7480 * fold-const.c: Define folding_initializer.
7481 (START_FOLD_INIT): Save and then set folding_initializer.
7482 (END_FOLD_INIT): Restore folding_initializer.
7484 2006-06-04 Richard Guenther <rguenther@suse.de>
7486 PR tree-optimization/27039
7487 * fold-const.c (fold_comparison): Handle pointer comparison
7488 again for all comparison codes. Compare offsets in signed
7490 (fold_binary): Move code from here.
7492 2006-06-03 Roger Sayle <roger@eyesopen.com>
7495 * config/i386/i386.c (construct_container): Split static issued_error
7496 flag into issued_sse_arg_error, issued_sse_ret_error and
7497 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7498 requires the use of x87 registers and the user explicitly
7499 specified the -mno-80387 command line option.
7501 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7503 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7504 HAVE_DECL_SIGALTSTACK.
7506 (segv_handler): Use MC_FLD.
7507 * configure.ac: Check for a sigaltstack declaration.
7508 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7509 * configure: Regenerate.
7510 * config.in: Regenerate.
7512 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7515 * Makefile.in (stmp-fixinc): Fix typo.
7517 2006-06-02 Roger Sayle <roger@eyesopen.com>
7519 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7520 are type correct. Clean-up.
7521 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7522 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7524 2006-06-01 DJ Delorie <dj@redhat.com>
7526 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7527 shift, as we've disabled the "switch" insn that needs it.
7529 2006-06-01 Per Bothner <bothner@bothner.com>
7531 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7532 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7533 * c-ppoutput.c (cb_define): Don't increment line 0.
7535 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7537 * doc/invoke.texi: Add cpu_type power6.
7538 * config.gcc: Add cpu_type power6.
7539 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7540 to power5+ with Altivec.
7541 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7542 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7544 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7546 * config/avr/avr.h (SET_ASM_OP): Define.
7548 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7550 * config/bfin/bfin.c: Fix comment typos.
7552 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7555 * doc/install.texi: Document --enable-bootstrap and
7556 --disable-bootstrap.
7558 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7560 * doc/install.texi: Document that InfoZIP can replace jar.
7562 2006-05-31 Roger Sayle <roger@eyesopen.com>
7564 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7565 isn't available, directly generate the simpler x87 patterns without
7566 the (use (const_int 0)).
7567 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7568 implementation isn't available.
7569 (*negdf2_1): Likewise.
7570 (*negxf2_1): XF mode negation is always done using the x87.
7571 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7573 2006-05-31 Roger Sayle <roger@eyesopen.com>
7575 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7576 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7578 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7580 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7582 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7583 * config/bfin/bfin.c (basic-block.h): Include.
7584 (struct machine_function): New.
7585 (bfin_init_machine_status): New.
7586 (override_options): Initialize init_machine_status.
7587 (bfin_hardware_loop): New.
7588 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7589 (DEF_VEC_P (loop_info)): New.
7590 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7591 (struct loop_info): New.
7592 (loop_info): New typedef.
7593 (struct loop_work): New.
7594 (loop_work): New typedef.
7595 (DEF_VEC_O (loop_work)): New.
7596 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7597 (bfin_dump_loops): New.
7598 (bfin_bb_in_loop): New.
7599 (bfin_scan_loop): New.
7600 (bfin_optimize_loop): New.
7601 (bfin_reorg_loops): New.
7602 (bfin_reorg): Use bfin_reorg_loops.
7603 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7605 (I_REGNO_P): Simplify.
7606 (DP_REGNO_P, DPREG_P): New macros.
7607 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7608 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7609 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7610 Add LT_REGS, LC_REGS, LB_REGS.
7611 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7613 (REGNO_REG_CLASS): Deal with loop registers.
7614 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7616 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7617 New constants for loop registers.
7618 (UNSPEC_LSETUP_END): New.
7619 (seq_insns): New define_attr. Set it for appropriate insns.
7620 (movsi_insn): Add alternatives for move from/to
7621 loop count registers.
7622 (doloop_end): New define_expand.
7623 (loop_end): New define_insn.
7624 (define_split for bad doloop_end): New.
7625 (lsetup_with_autoinit): New define_insn.
7626 (lsetup_without_autoinit): New define_insn.
7627 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7628 * config/bfin/predicates.md (lc_register_operand): New.
7629 (lt_register_operand): New.
7630 (lb_register_operand): New.
7631 (nondp_register_operand): New.
7632 (nondp_reg_or_memory_operand): New.
7633 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7635 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7637 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7638 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7640 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7642 * Makefile.in (CATALOGS): Add po/ prefix.
7643 * configure: Regenerated.
7645 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7648 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7649 a shift operand before calling shift_op. Avoid redundant call of
7652 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7653 DJ Delorie <dj@redhat.com>
7655 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7656 we're inserting is a singlt-bit constant.
7658 2006-05-30 Roger Sayle <roger@eyesopen.com>
7660 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7661 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7663 2006-05-30 Roger Sayle <roger@eyesopen.com>
7665 PR tree-optimization/23452
7666 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7667 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7668 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7669 complex values and with -ffast-math for FP complex values.
7671 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7673 * c-common.h: Remove the prototype for yyparse.
7674 * rtl.h: Remove the prototype for init_loop.
7676 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7678 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7681 2006-05-30 Roger Sayle <roger@eyesopen.com>
7683 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7685 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7686 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7688 2006-05-30 Dirk Mueller <dmueller@suse.de>
7691 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7692 for CONSTANT_CLASS_P expresisons.
7694 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7697 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7699 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7701 PR tree-optimization/27779
7702 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7703 initial_condition instead of CHREC_LEFT.
7705 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7707 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7708 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7709 Make prototypes ISO C90.
7711 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7712 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7714 * see.c (see_analyze_one_def): Correct check.
7715 (see_get_extension_data): Check if extension is parallel.
7716 (see_get_extension_reg): Likewise.
7718 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7721 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7722 into register for (code == GTU).
7724 2006-05-29 Roger Sayle <roger@eyesopen.com>
7726 PR tree-optimization/24964
7727 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7728 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7729 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7730 abs(x)*abs(x) as x*x for scalar floating point modes.
7732 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7735 * lambda-code.c (perfect_nestify): Don't copy statements
7736 in the inner loop: move them to the inner loop header.
7738 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7741 * c-tree.texi: Document OpenMP directives and clauses.
7743 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7745 * varasm.c (globalize_decl): Fix indentation.
7747 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7750 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7751 pass_fre, pass_store_ccp, pass_copy_prop,
7752 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7753 pass_return_slot, pass_object_size, pass_lim,
7754 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7755 pass_loop_prefetch and pass_stdarg.
7757 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7759 * config/bfin/bfin.opt (mfdpic): New option.
7760 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7761 (EXTRA_MULTILIB_PARTS): Likewise.
7762 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7763 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7765 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7766 (CRT_CALL_STATIC_FUNCTION): New.
7767 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7769 (CRT_CALL_STATIC_FUNCTION): New.
7770 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7772 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7773 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7774 (initialize_trampoline): Changed to handle FD-PIC code generation.
7775 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7776 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7777 (override_options): Disallow -mid-shared-library -mfdpic combination.
7778 Can't do unaligned ops if FD-PIC.
7779 Turn off flag_pic if trying to generate non-id-shared-library
7780 non-fdpic code, since it's not supported.
7781 (bfin_assemble_integer): New function.
7782 (TARGET_ASM_INTEGER): Define.
7783 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7785 * config/bfin/crtn.s: Restore them.
7786 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7788 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7789 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7790 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7791 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7792 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7794 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7795 FDPIC_REGS and FDPIC_FPTR_REGS.
7796 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7797 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7798 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7799 (load_funcdescsi): New pattern.
7800 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7801 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7802 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7804 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7806 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7809 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7811 * tree-flow.h: Remove the prototype for add_type_alias.
7812 * tree-ssa-alias.c (add_type_alias): Remove.
7814 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7816 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7817 config/fr30/fr30.md, config/i386/i386-interix.h,
7818 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7819 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7820 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7821 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7822 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7823 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7824 Follow spelling conventions.
7825 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7826 Follow spelling conventions.
7828 2006-05-27 Richard Guenther <rguenther@suse.de>
7831 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7832 to produce a constant of value 1 of generic type.
7834 2006-05-27 Dirk Mueller <dmueller@suse.de>
7836 * cgraphunit.c (decide_is_function_needed): Fix wrong
7839 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7841 PR rtl-optimization/27661
7842 * reload.c (find_reloads): When reloading a VOIDmode constant
7843 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7844 use Pmode as mode of the reload register.
7846 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7848 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7849 is enabled at -O and above.
7851 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7854 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7857 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7860 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7861 for anonymous variables explicitly declared by front ends.
7863 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7865 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7866 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7867 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7868 ref-all pointers, run a finalization pass for them.
7869 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7870 (finalize_ref_all_pointers): New function.
7871 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7872 regular pointer type to a ref-all pointer type.
7873 (get_tmt_for): Return the special memory tag for ref-all pointers.
7875 2006-05-25 Richard Guenther <rguenther@suse.de>
7878 * fold-const.c (fold_binary): Do not look at the stripped
7879 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7881 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7883 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7884 for LT and GT if the computed range is effectively empty.
7886 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7889 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7890 mips_quad_format formats instead of ieee_single_format,
7891 ieee_double_format and ieee_quad_format formats, respectively.
7893 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7895 PR tree-optimization/27639
7896 PR tree-optimization/26719
7897 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7898 call to scev_probably_wraps_p.
7899 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7900 used_in_pointer_arithmetic_p, convert_step): Removed.
7901 (nowrap_type_p): New function.
7902 (scev_probably_wraps_p): Rewritten.
7903 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7904 chrec_convert if chrec_convert_aggressive might have been used.
7905 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7906 scev_direction): New functions.
7907 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7908 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7909 instead of convert_step.
7910 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7911 (convert_step): Declaration removed.
7912 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7914 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7916 * df-core.c: Added to header comments.
7917 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7918 df_ur_bb_info, df_urec_bb_info): Added comments.
7919 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7920 urec, ri problems): Fixed header comments.
7921 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7922 code from df_rd_transfer_function.
7924 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7926 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7927 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7928 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7930 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7932 * expr.c (undefined_operand_subword_p): New.
7933 (emit_move_multi_word): Do not generate move from undefined bits
7934 of a paradoxical subreg.
7936 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7938 PR rtl-optimization/27736
7939 * combine.c (replaced_rhs_value): New variable.
7940 (combine_instructions): Set it.
7941 (distribute_notes): When distributing a note in replaced_rhs_insn,
7942 check whether the value was used in replaced_rhs_value.
7944 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7947 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7948 add_referenced_var instead of add_referenced_tmp_var.
7949 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7950 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7952 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7953 tree_optimize_tail_calls_1): Use add_referenced_var.
7954 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7955 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7956 Use add_referenced_var.
7957 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7958 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7959 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7960 Use add_referenced_var.
7961 * tree-dfa.c (struct walk_state): Remove.
7962 (find_referenced_vars): Remove walk state and vars_found hash table.
7963 (make_rename_temp): Use add_referenced_var.
7964 (find_vars_r): Pass less parameters to add_referenced_var.
7965 (referenced_var_p): New. Is var in referenced_var hash table.
7966 (referenced_var_insert): Assert var isn't already in hash table.
7967 (add_referenced_var): Don't need walk_state parameter. Add var if it
7968 isn't already in the hash table.
7969 (add_referenced_tmp_var): Remove.
7970 (find_new_referenced_vars_1): Use add_referenced_var.
7971 * tree-ssa-pre.c (create_expression_by_pieces,
7972 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7973 Use add_referenced_var.
7974 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7975 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7976 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7978 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7979 vect_create_data_ref_ptr, vect_create_destination_var,
7980 vect_init_vector, vect_build_loop_niters,
7981 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7982 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7983 Use add_referenced_var.
7984 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7985 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7986 (add_referenced_var): Add prototype.
7987 * tree-ssa-structalias.c (get_constraint_for,
7988 intra_create_variable_infos): Use add_referenced_var.
7990 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7992 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7993 big-endian paradoxical subregs.
7994 * var-tracking.c (struct micro_operation_def): Document that,
7995 for modify micro operations, insn is the subsequent instruction.
7996 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7997 (var_reg_set, var_mem_set): ... new functions.
7998 (add_stores): Record subsequent insn.
7999 (compute_bb_dataflow): Use new functions for MO_USE.
8000 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8001 notes after the insn, and modify notes before the insn known
8002 to be the subsequent one.
8003 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8005 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8008 * config/i386/i386.c (ix86_expand_builtin): Use
8009 gen_sse3_monitor64 for TARGET_64BIT.
8011 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8013 PR rtl-optimization/26375
8014 PR rtl-optimization/26855
8015 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8017 (df_ru_bb_local_compute): Reversed statements and removed bogus
8018 comment explaining why they should be in wrong order.
8019 (df_ru_dump, df_rd_dump): Enhanced debug info.
8020 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8022 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8023 reaching uses and fixed space problem.
8025 2006-05-23 Jan Hubicka <jh@suse.cz>
8027 * cgraphunit.c (decide_is_function_needed): Also nested functions
8028 and functions declared inline can be optimized out at -O0.
8030 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8032 * doc/install.texi (Configuration): Remove reference to CrossGCC
8036 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8039 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8040 ix86_compare_emitted is non-NULL.
8042 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8045 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8048 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8050 PR rtl-optimization/25514
8051 * combine.c (replaced_rhs_insn): New variable.
8052 (combine_instructions): Set replaced_rhs_insn when trying to replace
8053 a SET_SRC with a REG_EQUAL note.
8054 (distribute_notes): Use replaced_rhs_insn when determining the live
8055 range of a REG_DEAD register.
8057 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8058 Anatoly Sokolov <aesok@post.ru>
8060 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8061 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8062 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8063 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8064 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8065 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8066 at90usb647, at90usb1286 and at90usb1287 devices.
8067 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8068 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8070 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8072 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8074 2006-05-22 Richard Guenther <rguenther@suse.de>
8077 2006-01-31 Richard Guenther <rguenther@suse.de>
8078 Paolo Bonzini <bonzini@gnu.org>
8080 * doc/install.texi (--disable-libgcc-math): Document.
8082 2006-05-22 Richard Guenther <rguenther@suse.de>
8085 2006-01-31 Richard Guenther <rguenther@suse.de>
8087 * doc/invoke.texi (-msselibm): Document.
8088 * target.h (expand_library_builtin): New target hook.
8089 * builtins.c (expand_builtin): Use expand_library_builtin.
8090 (default_expand_library_builtin): New function.
8091 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8092 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8093 (link_gcc_math_spec): Declare.
8094 (static_specs): Add link_gcc_math_spec.
8095 * expr.h (default_expand_library_builtin): Declare.
8096 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8097 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8098 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8099 * config/i386/i386.opt (msselibm): New target option.
8100 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8101 (ix86_init_sse_abi_builtins): New function.
8102 (ix86_expand_library_builtin): Likewise.
8103 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8104 (override_options): Handle error conditions wrt -msselibm.
8105 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8106 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8107 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8110 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8113 * c-common.c (self_promoting_args_p): Skip erroneous args.
8116 * c-decl.c (finish_struct): Skip erroneous fields.
8118 2006-05-22 Nick Clifton <nickc@redhat.com>
8120 * config/cris/cris.opt (march): Remove VarExists attribute.
8121 (max-stackframe=): Likewise.
8123 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8125 * doc/rtl.texi: Fix a typo.
8126 * see.c: Fix comment typos.
8128 * tree-ssa-structalias.h (alias_info): Remove num_references.
8130 2006-05-21 Mike Stump <mrs@apple.com>
8132 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8134 (darwin_pragma_options): Use BAD instead.
8135 (darwin_pragma_unused): Likewise.
8136 (darwin_pragma_ms_struct): Likewise.
8138 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8140 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8142 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8144 PR rtl-optimization/27671
8145 * simplify-rtx.c (simplify_relational_operation_1): Fix
8146 simplifications of (eq/ne (xor x y) y) and
8147 (eq/ne (xor x y) x).
8149 PR tree-optimization/26622.
8150 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8153 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8155 * tree-cfg.c: Prune whitespace.
8156 (debug_tree_cfg): Point to correct header containing the
8159 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8162 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8164 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8167 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8168 or sorry count is non zero.
8170 2006-05-20 Andreas Schwab <schwab@suse.de>
8172 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8174 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8175 Kenneth Zadeck <zadeck@naturalbridge.com>
8177 PR rtl-optimization/26855
8179 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8181 (df_scan_alloc): Added code to properly handle multiword hard
8182 registers and add all_blocks parameter.
8183 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8184 code to properly handle multiword hard registers.
8185 (df_rescan_blocks): Added code to remove deleted blocks from
8187 (df_ref_create_structure, df_ref_record): Added code to properly
8189 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8190 and set DF_REF_PARTIAL.
8191 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8192 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8193 (df_scan_add_problem): Added flags parameter.
8194 (df_ref_create_structure): Changed switching structure.
8195 (df_bb_refs_record): Fixed case where duplicate artificial refs
8196 were created. Changed location of flags.
8197 (df_record_entry_block_defs): Added code to make stack pointer
8198 live in entry block. Refined cases where frame pointer is needed.
8199 Changed location of flags.
8200 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8201 (df_set_state): Removed function.
8202 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8203 df_insn_create_insn_record, df_insn_refs_delete,
8204 df_ref_create_structure): Formatting changes.
8205 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8206 df_delete_basic_block): New function.
8207 (df_init): Changed location of flags.
8208 (df_add_problem): Added flags parameter and the way flags are
8210 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8211 debug_df_chain): Improved debugging output.
8212 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8213 (df_refs_chain_dump): Removed df parameter.
8214 (df_iterative_dataflow): Added consistency check.
8215 (df_prune_to_subcfg): Made public.
8216 (df_analyze_problem): Added blocks_to_init parameter and made
8218 (df_ref_record, df_bb_refs_record, df_mark_reg,
8219 df_record_exit_block_uses): Whitespace changes.
8220 (df_dump): Whitespace changes.
8221 * df.h: Some reordering to remove forward references.
8222 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8223 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8224 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8225 (dataflow.flags): New field.
8226 (df.flag): Deleted field.
8227 (df_alloc_function): Added additional bitmap parameter.
8228 (df_dependent_problem_function): New type.
8229 (df_problem.changeable_flags): New field.
8230 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8231 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8232 (df_mw_hardreg): New struct.
8233 (DF_INSN_UID_MWS): New macro.
8234 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8236 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8237 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8238 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8239 (df_set_state): Removed function.
8240 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8241 * df-problems.c (df_chain_dump): Removed df parameter.
8242 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8243 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8245 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8246 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8247 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8248 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8249 DF_REF_MUST_CLOBBER cases.
8250 (df_ru_bb_local_compute_process_def,
8251 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8252 df_lr_bb_local_compute, df_ur_bb_local_compute,
8253 df_chain_create_bb): Made subreg aware.
8254 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8255 df_lr_bb_local_compute, df_lr_bb_local_compute,
8256 df_chain_create_bb): Cleanup to use proper macros.
8257 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8258 code to fixup bitvectors.
8259 (df_ri_alloc): Cleared lifetime.
8260 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8261 df_create_unused_note): New function.
8262 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8263 REG_DEAD and REG_UNUSED notes as well as register information.
8264 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8265 df_chains_dump): Fixed crash if problem was never run.
8266 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8267 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8268 df_ri_add_problem): Processes flags in uniform manner.
8269 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8270 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8271 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8272 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8273 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8274 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8275 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8276 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8277 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8278 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8279 * see.c (see_initialize_data): Ditto.
8280 * final.c (rest_of_clean_state) Added regstack_completed.
8281 * rtl.h (regstack_completed): Ditto.
8282 * reg-stack.c (regstack_completed): Ditto.
8284 2006-05-19 Mike Stump <mrs@apple.com>
8286 * c-tree.h (default_conversion): Remove.
8287 * c-common.h (default_conversion): Add.
8289 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8291 * tree-vrp.c (valid_value_p): New function.
8292 (adjust_range_with_scev): Fail if the value of bound is not
8295 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8297 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8298 (mips_fallback_frame_state): Use syscall numbers to determine
8299 the appropriate li instruction for the current ABI. Only use
8300 __NR_sigreturn for o32.
8302 2006-05-19 Nicolas Setton <setton@adacore.com>
8304 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8305 * langhooks.c (lhd_dwarf_name): New function.
8306 * langhooks-def.h (lhd_dwarf_name): Declare.
8307 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8308 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8309 * ada/misc.c (gnat_dwarf_name): New function.
8310 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8312 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8314 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8316 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8317 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8318 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8319 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8320 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8321 determine the size of Wtype, etc.
8322 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8323 (swfloatfuncs): New variable.
8324 (dwfloatfuncs): Likewise.
8325 (lib2funcs): Remove floating-point conversion functions from
8326 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8327 the set of conversion routines needed. Allow entries to specify
8328 an object name, filename and word size. Update users accordingly.
8329 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8330 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8334 2006-02-08 Roger Sayle <roger@eyesopen.com>
8337 * config/fixtfdi.c: New libgcc source file.
8338 * config/fixunstfdi.c: New source file.
8339 * config/floatditf.c: New source file.
8340 * config/floatunditf.c: New souce file.
8341 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8342 files above instead of config/mips/_tilib.c.
8343 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8345 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8347 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8348 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8350 2006-05-18 Mike Stump <mrs@apple.com>
8352 Fix up vla, vm and [*] sematics.
8358 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8359 (c_vla_unspec_p): Add.
8360 (c_vla_type_p): Add.
8361 * c-decl.c (struct c_scope): Add had_vla_unspec.
8362 (build_array_declarator): Add support for [*].
8363 (grokdeclarator): Likewise.
8364 (grokparms): Likewise.
8365 (get_parm_info): Likewise.
8366 * c-objc-common.c (c_vla_unspec_p): Likewise.
8367 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8368 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8369 typeof when argument is a variably modified type not inside sizeof or alignof.
8370 (c_parser_direct_declarator_inner): Propagate errors.
8371 (c_parser_sizeof_expression): Add support for [*].
8372 (c_parser_parms_declarator): Initialize had_vla_unspec.
8373 (c_parser_parms_list_declarator): Likewise.
8374 * c-typeck.c (c_vla_type_p): Add.
8375 (composite_type): Add support for vla compositing.
8376 (comptypes_internal): Add support for vla compatibility.
8377 (c_expr_sizeof_expr): Evaluate vla arguments.
8378 * tree.c (variably_modified_type_p): Update comment for [*].
8380 2006-05-18 Michael Matz <matz@suse.de>
8383 * config.host: Make assignments to host_xmake_file cumulative.
8384 * config.host (*-darwin*): Test $host, not $target.
8386 2006-05-12 Stuart Hastings <stuart@apple.com>
8388 * config/i386/i386.opt (-mstackrealign): New flag.
8389 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8390 (ix86_handle_cconv_attribute): Emit error when
8391 force_align_arg_pointer attribute collides with too many regparms.
8392 (ix86_function_regparm): Limit regparms when used with
8393 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8394 Support stack-realigning prologue in non-main functions. Emit
8395 warning for nested functions under -mstackrealign, emit error for
8396 nested functions with force_align_arg_pointer attribute.
8397 * doc/extend.texi (force_align_arg_pointer): Document it.
8398 * doc/invoke.texi (-mstackrealign): Document it.
8400 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8402 PR rtl-optimization/27477
8403 * combine.c (try_combine): Don't split a parallel consisting
8404 of two sets into two individual sets if both sets reference
8407 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8409 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8410 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8412 * doc/options.texi (VarExists): Updated.
8414 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8416 * unwind-dw2.c: Add declarations for uw_update_context and
8418 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8419 detected, advance frame state and context once to skip over stub.
8421 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8425 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8426 Call rewrite_into_loop_closed_ssa only when something changed.
8427 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8428 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8429 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8430 Test for perfect_nest_p here. Fix formating.
8431 (replace_uses_equiv_to_x_with_y): Fix formating.
8432 (stmt_uses_op): Removed.
8433 (can_convert_to_perfect_nest): Removed loopivs parameter.
8434 Complete the test by checking the scalar dependences.
8435 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8438 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8441 From Dan Kegel <dank@kegel.com>:
8442 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8444 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8446 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8447 if the element type is variably modified without recursing.
8449 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8452 * tree-loop-linear.c (try_interchange_loops): Test for
8453 no data dependences.
8455 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8457 PR tree-optimization/27548
8458 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8459 range of ssa names that appear on abnormal edges.
8460 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8461 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8463 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8466 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8468 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8471 * tree.h (OMP_PARALLEL_COMBINED): Define.
8472 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8473 (new_omp_context): Add is_combined_parallel argument.
8474 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8475 new_omp_context caller.
8476 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8477 Adjust gimplify_scan_omp_clauses callers.
8478 (omp_is_private): Issue errors if iteration variable is firstprivate
8479 or reduction in the current context.
8480 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8481 on combined parallel workshare constructs.
8483 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8485 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8486 (gcc-options.o): New rule.
8488 * optc-gen.awk: Protect variables for gcc-options.o with
8489 #ifdef GCC_DRIVER/#endif.
8491 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8493 Fix PR tree-optimization/27373
8494 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8495 (forward_propagate_addr_expr): Update call.
8497 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8499 * doc/options.texi: Move the Negative option.
8501 2006-05-16 Richard Guenther <rguenther@suse.de>
8503 PR tree-optimization/22303
8504 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8506 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8507 ccp_fold did not simplify the statement.
8509 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8512 * Makefile.in (GCC_OBJS): New.
8513 (OBJS-common): Add opts-common.o.
8514 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8515 (cpp$(exeext)): Likewise.
8516 (gcc.o): Also depend on opts.h.
8517 (opts-common.o): New.
8519 * common.opt (gcoff): Add Negative(gdwarf-2).
8520 (gdwarf-2): Add Negative(gstabs).
8521 (gstabs): Add Negative(gstabs+).
8522 (gstabs+): Add Negative(gvms).
8523 (gvms): Add Negative(gxcoff).
8524 (gxcoff): Add Negative(gxcoff+).
8525 (gxcoff+): Add Negative(gcoff).
8526 * config/i386/i386.opt (m32): Add Negative(m64).
8527 (m64): Add Negative(m32).
8529 * doc/options.texi: Document the Negative option.
8531 * gcc.c: Include "opts.h".
8532 (main): Call prune_options after expandargv.
8534 * optc-gen.awk: Generate common declarations for all flag
8535 variables in options.c. Output the neg_index field.
8537 * opts.c (find_opt): Moved to ...
8538 * opts-common.c: Here. New file.
8540 * opts.h (cl_option): Add a neg_index field.
8542 (prune_options): Likewise.
8544 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8547 * omp-low.c (expand_omp_parallel): Don't assert
8548 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8549 instead search for it.
8552 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8555 2006-05-16 Andreas Schwab <schwab@suse.de>
8557 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8560 2006-05-15 Roger Sayle <roger@eyesopen.com>
8563 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8564 integer constants other than zero are only legitimate on TARGET_64BIT.
8565 <CONST_VECTOR> Only zero vectors are legitimate.
8566 (ix86_cannot_force_const_mem): Integral and vector constants can
8567 always be put in the constant pool.
8569 2006-05-16 DJ Delorie <dj@redhat.com>
8571 * crtstuff.c (__dso_handle): Set section from
8572 TARGET_LBIGCC_SDATA_SECTION if defined.
8573 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8574 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8576 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8579 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8582 2006-05-16 Ben Elliston <bje@au.ibm.com>
8584 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8586 2006-05-15 Per Bothner <per@bothner.com>
8588 * tree.c: (last_annotated_node): Use source_locus typedef.
8589 This permits bootstrapping with --enable-mapped-location.
8591 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8593 PR tree-optimization/26830
8594 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8595 (info_for_ssa_name, current_info_for_ssa_name_age,
8596 blocks_to_update): New variables.
8597 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8598 (clear_ssa_name_info, initialize_flags_in_bb,
8599 mark_block_for_update): New functions.
8600 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8601 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8602 prepare_def_site_for): Use mark_block_for_update.
8603 (mark_def_interesting): Assert that the processed block is marked in
8604 blocks_to_update. Do not take blocks argument.
8605 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8607 (rewrite_update_init_block, rewrite_update_stmt): Only process
8608 blocks with statements to rewrite.
8609 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8610 (update_ssa): Initialize and free blocks_to_update. Do not
8611 clear flags on statements. Do not use blocks bitmap.
8612 * tree.h (SSA_NAME_AUX): Removed.
8613 (struct tree_ssa_name): Removed aux field.
8614 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8616 2006-05-15 Richard Guenther <rguenther@suse.de>
8618 PR tree-optimization/27603
8619 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8620 Do computations in original type.
8622 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8624 * see.c: Code style changes such as redundant paranthesis,
8625 redundant intialization of local variables etc.
8626 (see_main): Declared now as static.
8627 * doc/invoke.texi: Update that -fsee is not enabled by
8630 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8632 * omp-low.c (check_omp_nesting_restrictions): New function.
8633 (scan_omp_1): Call it.
8636 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8637 construct, return *VAR.
8639 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8641 PR rtl-optimization/27406
8642 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8645 2006-05-14 Roger Sayle <roger@eyesopen.com>
8647 PR rtl-optimization/27538
8648 * combine.c (expand_compound_operation): Call gen_lowpart
8649 before calling simplify_shift_const.
8651 2006-05-14 Roger Sayle <roger@eyesopen.com>
8653 PR rtl-optimization/22563
8654 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8655 a fixed width bitfield, always force the intermediates into psuedos.
8657 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8660 * mkconfig.sh: Use operator = instead of == for test.
8662 2006-05-13 Nick Clifton <nickc@redhat.com>
8664 * dwarf2out.c (dbx_reg_number): Check return value from
8665 LEAF_REG_REMAP and only use it if it is valid.
8666 (multiple_reg_loc_descriptor): Likewise.
8668 2006-05-13 Richard Guenther <rguenther@suse.de>
8670 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8673 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8675 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8676 information attached to non-INSNs such as NOTEs.
8677 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8679 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8681 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8683 * config/s390/s390.md: Adjust comment describing On constraint.
8685 2006-05-11 Jan Hubicka <jh@suse.cz>
8687 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8688 to be output at -O0.
8690 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8693 * fold-const.c (size_binop): Move sanity check for arguments to
8694 the beginning of the function.
8697 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8700 2006-05-11 Richard Guenther <rguenther@suse.de>
8703 * fold-const.c (fold_unary): Handle intermediate conversion
8704 to a pointer type like intermediate conversion to an integer
8705 type in folding of (T1)(T2)var to var.
8706 Match the code to the comment in the final conversion for
8707 (T1)(T2)var to (T1)var regarding to type precision. Rather
8708 than disallow T1 being of pointer type, assert that both T1
8709 and var are of pointer type or not. Make sure not to fall
8710 over the frontends lazyness wrt array to pointer decay though.
8712 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8714 * arm.c (arm_struct_value_rtx): Delete.
8715 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8716 (arm_init_cumulative_args): Always initialize nregs to zero.
8718 2006-05-10 Richard Guenther <rguenther@suse.de>
8720 PR tree-optimization/27532
8721 * tree-object-size.c (plus_expr_object_size): Fix typo.
8723 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8726 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8727 ashrdi_const, ashrdi3): Use a scratch register.
8729 2006-05-10 Richard Guenther <rguenther@suse.de>
8731 PR tree-optimization/27302
8732 * fold-const.c (operand_equal_p): For two comparisons,
8733 try comparison of one comparison code swapped if that yields
8736 2006-05-10 Ben Elliston <bje@au.ibm.com>
8738 * tree-pretty-print.c (pretty_print_string): No need to handle
8739 '\0' as a special character.
8741 * tree.h: Include "hashtab.h".
8742 (iterative_hash_expr): Use hashval_t in its prototype.
8743 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8745 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8748 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8749 (hppa*64*-*-hpux11*): Ditto.
8750 (hppa[12]*-*-hpux11*): Ditto.
8752 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8755 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8757 2006-05-09 Michael Matz <matz@suse.de>
8759 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8760 host_extra_gcc_objs and host_xmake_file.
8761 (<*-*-linux*>): Don't overwrite host_xmake_file.
8762 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8763 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8764 (host_detect_local_cpu): Declare.
8765 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8766 * config/i386/i386.c (override_options): Handle -mtune=native
8768 * config/i386/x-i386: New file.
8769 * config/i386/driver-i386.c: New file.
8770 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8773 2006-05-09 Dirk Mueller <dmueller@suse.de>
8774 Richard Guenther <rguenther@suse.de>
8777 * fold-const.c (fold_read_from_constant_string): Relax check
8778 for matching types to matching modes.
8780 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8782 PR rtl-optimization/27335
8783 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8786 2006-05-08 Chao-ying Fu <fu@mips.com>
8787 Richard Sandiford <richard@codesourcery.com>
8789 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8790 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8791 * config/mips/mips.md (UNSPEC_SCC): New constant.
8792 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8793 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8794 (mips_emit_compare): Use it.
8795 (mips_expand_vcondv2sf): New function.
8797 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8799 Fix PR tree-optimization/27093
8800 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8801 renaming when they become not-used_alone.
8803 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8805 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8806 relocation and relocation stubs.
8808 2006-05-08 Eric Christopher <echristo@apple.com>
8810 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8813 2006-05-08 Jan Hubicka <jh@suse.cz>
8816 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8817 unused static functions are needed.
8819 2006-05-08 Roger Sayle <roger@eyesopen.com>
8822 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8823 of a reg_equiv_constant if the result is a legitimate constant.
8825 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8828 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8829 standard 80387 constants, raise the cost to prevent
8830 compress_float_constant() to generate load from memory.
8832 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8834 * config/arm/constraints.md (c): Fix a typo.
8836 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8839 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8842 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8844 (_mm_mwait): Likewise.
8846 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8848 (sse3_monitor): Make it 32bit only.
8849 (sse3_monitor64): New. 64bit monitor.
8851 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8854 * config/i386/i386.c (classify_argument): Skip fields with invalid
8857 2006-05-07 Richard Guenther <rguenther@suse.de>
8859 PR tree-optimization/27409
8860 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8861 Do not try to find zero-sized subvars.
8863 2006-05-07 Richard Guenther <rguenther@suse.de>
8865 PR tree-optimization/27136
8866 * tree-ssa-loop-niter.c (get_val_for): Correct function
8867 comment, assert requirements.
8868 (loop_niter_by_eval): Stop processing if the iterated
8869 value did not simplify.
8871 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8873 * opts.c (flag_see): remove its setting at -O3.
8875 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8877 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8878 * arm/constraints.md: New file.
8879 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8880 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8881 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8882 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8883 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8884 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8885 * arm.md: Include constraints.md.
8886 (thumb_movsi_insn): Use satisfies_constraint_J.
8887 (movhi, movqi): Use satisfies_constraint_I.
8889 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8891 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8892 for atmeg a645 device.
8894 2006-05-06 Richard Guenther <rguenther@suse.de>
8896 PR tree-optimization/27151
8897 * tree-vect-transform.c (vectorizable_condition): Punt on
8898 values that have a different type than the condition.
8900 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8903 * c-parser.c (c_parser_cast_expression): Only insert casts into
8904 hash table if pointer.
8905 * function.c (used_types_insert_helper): Rename from
8907 (used_types_insert): Call used_types_insert_helper.
8908 * function.h (used_types_insert): Accept only one argument.
8910 2006-05-05 David Edelsohn <edesohn@gnu.org>
8912 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8913 scratch with output modifier.
8915 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8918 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8919 with output modifier.
8921 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8924 * config/mips/mips.c (mips_symbolic_address_p): Return true
8925 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8926 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8928 2006-05-04 Richard Guenther <rguenther@suse.de>
8930 PR tree-optimization/14287
8931 PR tree-optimization/14844
8932 PR tree-optimization/19792
8933 PR tree-optimization/21608
8934 PR tree-optimization/27090
8935 * tree-ssa-pre.c (try_combine_conversion): New function.
8936 (compute_avail): After constructing the value-handle
8937 expression, use try_combine_conversion to combine NOP_EXPRs
8938 with previous value-handle expressions and use the result if it
8941 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8943 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8945 2006-05-04 Jan Hubicka <jh@suse.cz>
8948 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8950 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8952 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8953 that this only matches CONST_INTs. All users changed to VOIDmode
8956 * config/bfin/bfin.c: Include "optabs.h".
8957 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8959 (enum bfin_builtins): Add a number of fractional and vector builtins.
8960 (bfin_init_builtins): Likewise.
8961 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8962 (safe_vector_operand, bfin_expand_binop_builtin,
8963 bfin_expand_unop_builtin): New functions.
8964 (bfin_expand_builtin): Handle the new builtins.
8965 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8968 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8971 * Makefile.in (OBJS-common): Add see.o.
8972 (see.o): Add dependencies.
8973 * common.opt (fsee): New flag for the see optimization was added.
8974 * opts.c (flag_see): Initialized.
8975 * passes.c (init_optimization_passes, pass_see): New pass.
8976 * rtl.h (see_main): Declaration as extern.
8977 * timevar.def (TV_SEE): New.
8978 * tree-pass.h (pass_see): Declaration as extern.
8979 * invoke.texi (-fsee): Document.
8980 * recog.c (validate_simplify_insn): New function.
8981 * recog.h (validate_simplify_insn): Declaration as extern.
8982 * df-problems.c (df_chain_dump): Check for NULL.
8984 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8985 Daniel Berlin <dberlin@dberlin.org>
8987 * cfgrtl.c (insert_insn_bb_end_new): New function.
8988 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8990 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8992 * df.h (struct web_entry): Moved from web.c.
8993 (union_defs): Declaration as extern.
8994 (unionfind_root): Likewise.
8995 (unionfind_union): Likewise.
8996 * web.c (struct web_entry): Moved to df.h.
8997 (unionfind_root): Remove static declaration.
8998 (unionfind_union): Likewise.
8999 (union_defs): Likewise and generalize to use callback function.
9000 (web_main): Update arguments for union_defs function call.
9002 2006-05-04 Richard Guenther <rguenther@suse.de>
9004 PR tree-optimization/26447
9005 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9006 produce SSA_NAME copies before the store stmt to avoid
9007 breaking exception handling.
9009 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9012 * gimplify.c (omp_is_private): If var is shared in some outer context,
9013 return false instead of true. Stop searching on parallel context
9016 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9019 * coverage.c: Use get_gcov_unsigned_t() instead of
9020 unsigned_type_node all over.
9022 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9024 PR tree-optimization/27381
9025 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9026 maintain the same immediate_use links.
9027 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9028 node rather than segfaulting.
9030 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9033 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9034 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9035 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9037 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9039 Fix PR tree-optimization/26626
9040 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9042 * tree-ssa-operands.c (access_can_touch_variable): Allow
9043 typecasting through union pointers.
9045 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9048 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9049 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9050 to find if var will be a global variable even in the nested context.
9051 (omp_copy_decl): Only check for global variable at the end, it might
9052 be overridden in outer contexts.
9053 (scan_sharing_clauses): For global variables don't create a field.
9054 (lower_rec_input_clauses): Do nothing for global shared variables.
9055 Emit a barrier at the end of ILIST if there were any decls in both
9056 firstprivate and lastprivate clauses.
9057 (lower_send_clauses): Do nothing for global variables except for
9060 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9062 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9063 of the correct signedness is returned.
9065 2006-05-02 Jeff Law <law@redhat.com>
9067 PR tree-optimization/27364
9068 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9069 multiply expressions.
9071 2006-05-02 Tom Tromey <tromey@redhat.com>
9073 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9075 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9078 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9079 -mthumb -fPIC are used.
9081 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9082 Joshua Kinard <kumba@gentoo.org>
9085 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9086 with 64-bit pointers.
9088 2006-05-02 Paul Brook <paul@codesourcery.com>
9090 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9092 (create_fix_barrier): Check that a suitable barrier location is
9094 (arm_reorg): Include ftmp->address in allowable range of addresses.
9096 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9099 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9102 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9105 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9106 around RESULT_DECL for result passed by reference.
9107 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9108 * omp-low.c (use_pointer_for_field): Don't look at
9109 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9110 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9111 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9112 time or var for passing by reference for
9113 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9114 TREE_ADDRESSABLE variables when passing by reference.
9116 * omp-low.c (dump_omp_region): Fix output formatting.
9119 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9120 (expand_omp_parallel): Likewise.
9121 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9124 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9125 on statement list containing also constructors and destructors.
9126 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9129 * except.c (duplicate_eh_regions): Fix clearing of
9130 cfun->eh->region_array entries.
9132 2006-05-01 DJ Delorie <dj@redhat.com>
9134 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9136 (gcc_cv_objdump): Likewise.
9137 * configure: Regenerated.
9139 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9142 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9143 templates for case 3 and 4.
9145 2006-05-01 DJ Delorie <dj@redhat.com>
9147 * vec.c: Include bconfig.h when appropriate.
9148 * Makefile.in (build/vec.o): Adjust dependencies.
9149 * mkconfig.sh: Make sure config.h isn't used for build machine
9152 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9154 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9156 (mark_phi_for_rewrite): New function.
9157 (insert_phi_nodes_for, mark_use_interesting): Call
9158 mark_phi_for_rewrite.
9159 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9160 (update_ssa): Initialize and free phis_to_rewrite.
9162 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9164 PR rtl-optimization/27291
9165 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9166 folded to a constant.
9168 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9170 PR tree-optimization/27283
9171 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9172 not whole # of iteration descriptions.
9173 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9174 uses abnormal ssa name.
9175 (niter_for_single_dom_exit): Ditto.
9176 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9177 return just the number of iterations.
9179 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9181 PR tree-optimization/27144
9182 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9183 (record_estimate): Only record constant upper bound.
9184 (infer_loop_bounds_from_undefined): Call
9185 compute_estimated_nb_iterations just once.
9186 (proved_non_wrapping_p): Renamed to ...
9187 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9188 (convert_step_widening, scev_probably_wraps_p): Call
9189 n_of_executions_at_most instead of proved_non_wrapping_p.
9190 (substitute_in_loop_info): Do not replace values in bounds.
9191 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9194 2006-05-01 Richard Henderson <rth@redhat.com>
9197 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9198 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9201 2006-05-01 Roger Sayle <roger@eyesopen.com>
9203 * c-typeck.c (parser_build_binary_op): Don't call the function
9204 unsigned_conversion_warning to spot operand/result type overflow.
9205 (build_binary_op): Instead, call convert_and_check instead of
9206 convert to report the problem when the operands are promoted.
9207 * c-common.c (unsigned_conversion_warning): Make static.
9208 * c-common.h (unsigned_conversion_warning): Delete prototype.
9210 2006-05-01 Richard Guenther <rguenther@suse.de>
9212 PR tree-optimization/26726
9213 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9215 (find_interesting_uses_address): ... we work around here
9216 by folding INDIRECT_REFs in the substituted base.
9218 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9220 * omp-low.c (dump_omp_region): Add newlines.
9222 2006-04-30 Roger Sayle <roger@eyesopen.com>
9224 * common.opt (Woverflow): New command line option.
9225 * c-common.c (constant_expression_warning): Check warn_overflow.
9226 (overflow_waring): Pass OPT_Woverflow to warning.
9227 (unsigned_conversion_warning): Likewise.
9228 (convert_and_check): Likewise.
9229 * doc/invoke.texi: Document new command line option.
9231 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9233 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9234 TARGET_NO_FP_IN_TOC for section anchors.
9235 (optimization_options): Enable section anchors for all
9236 non-"Objective" languages.
9238 2006-04-28 Eric Christopher <echristo@apple.com>
9240 * config/darwin-c.c (darwin_ms_struct): Move this
9241 (darwin_set_default_type_attributes): and this...
9242 * config/darwin.c: ... here.
9243 * config/darwin.h (darwin_ms_struct): Declare.
9245 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9247 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9249 2006-04-28 Roger Sayle <roger@eyesopen.com>
9252 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9253 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9254 an unsigned HOST_WIDE_INT.
9255 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9257 (really_start_incremental_init): No need to call convert because
9258 bitsize_zero_node is already of type bitsizetype.
9259 (push_init_level): Extract the value of constructor_index as an
9260 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9261 (process_init_element): Likewise.
9263 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9265 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9266 value before passing to make_relative_prefix.
9268 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9271 * builtins.c (expand_builtin_memset): Expand val in original mode.
9273 2006-04-27 Eric Christopher <echristo@apple.com>
9275 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9276 with #ifndef/#endif.
9277 * config/darwin-c.c (darwin_ms_struct): New.
9278 (darwin_pragma_ms_struct): Ditto.
9279 (darwin_set_default_type_attributes): Ditto.
9280 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9281 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9282 Register ms_struct pragma.
9283 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9284 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9285 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9286 darwin_set_default_type_attributes if TARGET_MACHO.
9288 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9290 PR tree-optimization/26854
9291 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9292 * doc/tree-ssa.texi: Update immuse iterator documentation.
9293 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9294 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9295 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9296 first_safe_imm_use, next_safe_imm_use): Remove.
9297 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9298 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9299 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9300 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9301 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9302 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9303 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9304 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9305 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9306 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9307 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9308 (perfect_nestify): Use new iterator.
9309 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9311 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9312 (next_imm_name): New field in struct immediate_use_iterator_d.
9313 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9314 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9315 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9316 * tree-cfg.c (replace_uses_by): Use new iterator.
9317 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9318 * tree-ssa-operands.c (correct_use_link): Remove.
9319 (finalize_ssa_use_ops): No longer call correct_use_link.
9321 2006-04-27 Stuart Hastings <stuart@apple.com>
9323 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9324 * config/t-darwin (crt3.o): Use it.
9325 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9326 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9327 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9328 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9329 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9332 2006-04-27 Roger Sayle <roger@eyesopen.com>
9334 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9335 size, force the intermediate into a new pseudo rather instead of
9336 performing both a bitwise AND and a bitwise IOR in memory.
9338 2006-04-27 Richard Guenther <rguenther@suse.de>
9340 PR rtl-optimization/26685
9341 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9342 this one "max-flow-memory-locations".
9344 2006-04-27 Richard Guenther <rguenther@suse.de>
9346 PR tree-optimization/25148
9347 * tree-vrp.c (compare_values): Remove code dealing with
9348 comparisons against type min/max value. Honour overflow
9349 and negative constants in code dealing with comparisons
9350 of plus and minus expressions.
9351 (value_inside_range): Use fold_binary with LE_EXPR and
9352 GE_EXPR rather than compare_values.
9354 2006-04-27 Dirk Mueller <dmueller@suse.de>
9356 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9359 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9361 * basic-block.h (safe_insert_insn_on_edge): Removed.
9362 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9364 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9365 Paolo Bonzini <bonzini@gnu.org>
9368 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9369 (simplify_and_const_int): Same.
9371 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9373 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9375 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9378 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9379 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9380 cgraph_global_info_ready.
9383 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9386 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9387 either decl or init is error_mark_node.
9390 * tree-flow.h (struct omp_region): Add sched_kind.
9391 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9392 instead of extracting omp for data.
9393 (expand_omp_for): Save extracted sched_kind.
9395 2006-04-25 Roger Sayle <roger@eyesopen.com>
9397 * expmed.c (store_bit_field): Also check whether the bitsize is
9398 valid for the machine's "insv" instruction before moving the
9399 target into a pseudo for use with the insv.
9400 * config/i386/predicates.md (const8_operand): New predicate.
9401 * config/i386/i386.md (extv, extzv, insv): Use the new
9402 const8_operand predicate where appropriate.
9404 2006-04-25 DJ Delorie <dj@redhat.com>
9406 * doc/install.texi (Specific): Clarify that this is not a list of
9407 supported hosts or targets.
9409 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9411 PR rtl-optimization/26725
9412 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9413 block's BB_DIRTY flag.
9415 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9417 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9420 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9421 to print an integer.
9423 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9425 * varasm.c (align_variable): New function.
9426 (get_block_for_decl): Apply align_variable to DECL before
9427 calculating section information.
9428 (assemble_variable): Split out alignment computation.
9430 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9432 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9435 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9437 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9438 MODE_PARTIAL_INT mode.
9439 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9440 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9442 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9443 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9445 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9447 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9449 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9450 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9451 MACFLAG_IH): Likewise.
9452 (movstricthi_1): Renamed from "*movstricthi".
9453 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9454 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9455 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9456 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9457 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9458 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9459 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9460 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9461 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9462 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9463 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9464 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9465 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9466 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9467 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9469 * doc/rtl.texi (ss_ashift): Improve wording.
9471 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9473 * dwarf2out.c (verify_marks_clear): New.
9474 (prune_unused_types): Call verify_marks_clear initially, not
9477 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9479 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9480 * doc/rtl.texi: Document them.
9481 * simplify-rtx.c (simplify_unary_operation,
9482 simplify_binary_operation_1): Don't abort when we see them.
9484 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9487 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9488 * configure.ac: Completely disregard languages that are not
9490 * configure: Regenerated.
9492 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9493 Richard Guenther <rguenther@suse.de>
9495 PR tree-optimization/27236
9496 * tree-inline.c (copy_body_r): Make sure to copy
9497 TREE_THIS_VOLATILE flag.
9499 2006-04-24 Richard Guenther <rguenther@suse.de>
9502 * tree-complex.c (update_parameter_components): Don't handle
9503 unused parameters which have no default def.
9505 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9506 Richard Guenther <rguenther@suse.de>
9508 PR tree-optimization/27218
9509 * tree-inline.c (expand_call_inline): Strip useless type
9510 conversions for the return slot address.
9512 2006-04-24 Richard Guenther <rguenther@suse.de>
9514 * cfgloop.h (struct loops): Remove unused field array. Reorder
9516 (LOOP_PREFETCH): Remove.
9518 2006-04-24 Richard Guenther <rguenther@suse.de>
9520 PR tree-optimization/22525
9521 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9522 variable, adjust types of generated expressions.
9524 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9526 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9527 (tree-vect-patterns.o): Likewise.
9529 (cselib.o): Likewise.
9530 (loop-doloop.o): Likewise.
9531 (regclass.o): Likewise.
9532 (reload1.o): Likewise.
9533 (explow.o): Replace target.h with $(TARGET_H).
9534 (ipa-prop.o): Likewise.
9535 (ipa-cp.o): Likewise.
9536 (ipa-inline.o): Likewise.
9537 (reorg.o): Likewise.
9538 (reg-stack.o): Likewise.
9540 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9542 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9544 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9546 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9548 * configure.ac: Completely disregard languages that are not
9550 * configure: Regenerated.
9553 * c-common.h (c_build_bitfield_integer_type): Declare.
9554 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9555 * c-common.c (c_build_bitfield_integer_type): ... here.
9557 2006-04-23 Roger Sayle <roger@eyesopen.com>
9560 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9561 a SImode SUBREG of a floating point register after no_new_pseudos.
9563 2006-04-23 Roger Sayle <roger@eyesopen.com>
9565 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9566 identify potentially eliminable registers to additionally catch
9567 VIRTUAL_INCOMING_ARGS_REGNUM.
9568 (addsi3): Update the conditions on when to use addsi_small_int.
9570 2006-04-23 Roger Sayle <roger@eyesopen.com>
9573 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9574 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9575 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9577 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9579 * fold-const.c (range_predecessor): Use operand_equal_p
9580 as the predicate for equality.
9581 (range_successor): Likewise.
9583 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9586 * config/soft-fp/op-common.h: Fix a typo.
9588 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9591 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9592 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9594 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9596 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9598 * doc/tm.texi: Fix a typo.
9600 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9602 * dwarf2out.c (struct die_struct): Document that die_sib makes
9603 a circular linked list.
9604 (FOR_EACH_CHILD): New.
9605 (reverse_die_lists): Delete.
9606 (reverse_all_dies): Delete.
9607 (add_dwarf_attr): Correct documentation.
9608 (remove_child_with_prev): New.
9609 (remove_child_TAG): Update for change to die_struct, use
9610 remove_child_with_prev.
9611 (add_child_die): Update for change to die_struct.
9612 (splice_child_die): Use remove_child_with_prev and add_child_die.
9613 (print_die): Use FOR_EACH_CHILD.
9614 (die_checksum): Likewise.
9615 (assign_symbol_names): Likewise.
9616 (output_location_lists): Likewise.
9617 (build_abbrev_table): Likewise.
9618 (calc_die_sizes): Likewise.
9619 (mark_dies): Likewise.
9620 (unmark_dies): Likewise.
9621 (unmark_all_dies): Likewise.
9622 (output_die): Likewise.
9623 (prune_unused_types_mark): Likewise.
9624 (prune_unused_types_walk): Likewise.
9625 (same_die_p): Update for change to die_struct.
9626 (break_out_includes): Likewise.
9627 (prune_unused_types_prune): Likewise.
9628 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9629 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9631 (dwarf2out_finish): Don't call reverse_all_dies.
9633 2006-04-21 Eric Christopher <echristo@apple.com>
9635 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9636 in comments and function names.
9638 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9641 * c-typeck.c (digest_init): Robustify.
9643 * c-typeck.c (pop_init_level): Simplify.
9645 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9647 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9649 2006-04-21 Paul Brook <paul@codesourcery.com>
9651 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9652 hardware floating point.
9654 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9656 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9659 2006-04-21 Nick Clifton <nickc@redhat.com>
9661 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9664 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9667 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9668 C++ lang type in traceback table for Objective-C++.
9670 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9672 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9674 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9676 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9679 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9680 were errors. Remove check for erroneous objects.
9682 2006-04-20 Jeff Law <law@redhat.com>
9684 PR tree-optimization/26854
9685 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9686 checking for zero or one use.
9687 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9688 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9689 * tree-ssa-reassoc.c (negate_value): Similarly.
9690 (reassociate_bb): Similarly.
9692 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9694 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9695 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9696 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9698 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9700 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9701 fp regs if the last fp arg doesn't fit in regs.
9703 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9706 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9707 that the last insn has the REG_INC note.
9709 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9710 Nathan Sidwell <nathan@codesourcery.com>
9713 * stor-layout.c (update_alignment_for_field): Do not align
9715 (place_union_field): Place union field at the start of the union.
9716 (place_field): Move ERROR_MARK check later, and use the current
9717 allocation position to maintain monotonicity.
9719 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9721 * dominance.c: Include timevar.h.
9722 (calculate_dominance_info): Use TV_DOMINANCE.
9723 * timevar.def (TV_DOMINANCE): New timevar.
9724 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9726 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9728 PR rtl-optimization/14261
9729 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9730 move would be an INSV insn.
9731 (noce_process_if_block): Don't optimize if the destination is a
9732 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9734 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9736 * config/s390/s390.md: Add comments with the instructions emitted
9737 by an insn pattern if macros are used.
9739 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9741 PR rtl-optimization/26026
9742 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9743 is a known power of two shifted left a variable amount.
9745 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9747 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9748 to hash table twice when the debug_str section has SECTION_MERGE.
9750 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9752 * config/soft-fp: New directory. From glibc.
9753 * config/soft-fp/t-softfp: New.
9754 * config/soft-fp/README: New.
9755 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9756 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9757 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9758 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9759 * config.gcc: Use rs6000/t-fprules-fpbit or
9760 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9762 * config/rs6000/sfp-machine.h: New. Based on glibc.
9763 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9765 * config/rs6000/t-fprules: Remove fp-bit rules.
9766 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9767 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9768 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9769 (softfp_wrap_start, softfp_wrap_end): New.
9771 2006-04-18 DJ Delorie <dj@redhat.com>
9773 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9775 2006-04-18 Devang Patel <dpatel@apple.com>
9777 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9779 2006-04-18 Nick Clifton <nickc@redhat.com>
9781 * config/sh/t-symbian: Add rule to build sh-c.o
9782 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9783 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9784 (sh_symbian_encode_section_info): Likewise.
9786 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9788 * builtins.c (expand_builtin_strcmp): Cover label definition of
9789 do_libcall with HAVE_cmpstrnsi.
9791 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9793 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9795 * function.h (temp_slot_p): New.
9796 (function): Change the type of x_used_temp_slots to
9797 VEC(temp_slot_p,gc) *.
9799 2006-04-18 Nick Clifton <nickc@redhat.com>
9801 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9802 flag_strength_reduce.
9804 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9806 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9810 Partial revert of revision 112637
9811 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9812 Dale Johannesen <dalej@apple.com>
9815 * regclass.c (struct reg_pref): Update documentation.
9816 (regclass): Set prefclass to NO_REGS if memory is the best option.
9817 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9819 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9821 PR tree-optimization/26821
9822 * tree-ssa-math-opts.c (get_constant_one): New.
9823 (insert_reciprocals): Use it.
9825 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9827 * dwarf2out.c (free_AT): Delete.
9828 (remove_AT): Update string ref counts.
9829 (remove_child_TAG): Don't call free_die.
9831 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9832 or DW_TAG_GNU_EINCL.
9833 (prune_unused_types_walk_attribs): Reset string refcounts.
9834 (prune_unused_types_update_strings): New.
9835 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9836 call free_die. Do call prune_unused_types_update_strings.
9837 (prune_unused_types): Empty debug_str_hash.
9839 2006-04-17 Roger Sayle <roger@eyesopen.com>
9841 * expr.c (expand_assignment): Optimize away no-op moves where the
9842 source and destination are equal and have no side-effects.
9844 2006-04-17 Richard Guenther <rguenther@suse.de>
9847 * reload.c (push_reload): Guard calls to get_secondary_mem
9850 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9852 * alias.c (reg_base_value, old_reg_base_value): Change the
9853 type to VEC(rtx,gc) *.
9854 (REG_BASE_VALUE, find_base_value, record_set,
9855 init_alias_analysis): Use VEC instead of VARRAY.
9857 * alias.c (alias_sets): Change the type to
9858 VEC(alias_set_entry,gc) *.
9859 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9860 VEC instead of VARRAY.
9861 (last_alias_set): Remove.
9863 * cgraph.h (cgraph_edge_p): New.
9864 Update the prototype of cgraph_function_versioning.
9865 * cgraphunit.c (cgraph_copy_node_for_versioning,
9866 cgraph_function_versioning): Use VEC instead of VARRAY.
9867 * ipa-cp.c (ipcp_insert_stage): Likewise.
9869 2006-04-16 Roger Sayle <roger@eyesopen.com>
9872 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9873 "A op B" or "A op C", we may need to convert A to the type of B and C.
9875 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9877 * target.h (struct gcc_target): Add mode_rep_extended.
9878 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9879 (init_num_sign_bit_copies_in_rep): Initialize it using
9881 (truncate_to_mode): Use it.
9882 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9883 * targhooks.h (default_mode_rep_extended): Declare it.
9884 * targhooks.c (default_mode_rep_extended): Define it.
9885 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9886 default_mode_rep_extended.
9887 (TARGET_INITIALIZER): Include it.
9888 * doc/tm.texi (Misc): Document it.
9889 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9890 (mips_truncated_to_mode): New function.
9892 2006-04-16 Roger Sayle <roger@eyesopen.com>
9895 * expr.c (compress_float_constant): Copy the narrow constant into
9896 a new pseudo before extending it to its final width.
9898 2006-04-16 Roger Sayle <roger@eyesopen.com>
9899 Andrew Pinski <pinskia@gcc.gnu.org>
9900 Dale Johannesen <dalej@apple.com>
9903 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9904 special case code to implement V8HImode and V16QImode with SSE2.
9906 2006-04-15 Roger Sayle <roger@eyesopen.com>
9908 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9909 trees are constructed with a suitable tree type.
9911 2006-04-15 Roger Sayle <roger@eyesopen.com>
9913 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9914 (integer_onep): Likewise.
9915 (integer_all_onesp): Likewise.
9916 (integer_pow2p): Likewise.
9917 (integer_nonzerop): Likewise.
9918 (real_zerop): Likewise.
9919 (real_onep): Likewise.
9920 (real_twop): Likewise.
9921 (real_minus_onep): Likewise.
9922 (int_size_in_bytes): Likewise.
9923 (host_integerp): Likewise.
9925 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9927 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9928 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9929 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9931 * tree-ssa-structalias.h (alias_info): Remove num_references.
9933 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9935 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9936 (output_bvb patterns): Likewise.
9937 * pa.c (output_bb): Use 'bb' insn for long branch case.
9938 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9939 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9940 1. Correct length operand for alternatives 1 and 2.
9941 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9942 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9944 2006-04-14 Roger Sayle <roger@eyesopen.com>
9946 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9947 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9948 were accidentally reverted by r112959.
9950 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9953 * except.h (eh_region_outermost): New prototype.
9954 * except.c (eh_region_outermost): New function.
9955 * tree-cfg.c (find_outermost_region_in_block): Use it.
9957 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9959 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9961 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9962 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9963 (init_reload, reload): Use VEC instead of VARRAY.
9964 * reload.h: Update the prototype for
9965 reg_equiv_memory_loc_varray.
9967 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9968 Eric Botcazou <ebotcazou@libertysurf.fr>
9970 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9973 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9976 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9977 to expand fallback builtin function call.
9979 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9982 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9983 and emit libcall here in case the builtin fails.
9984 (expand_builtin_strcmp): Always emit the libcall here on failure.
9986 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9988 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9989 * flow.c (reg_n_info): Change the type to
9990 VEC(reg_info_p,heap) *.
9991 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9993 * regs.h (reg_info_p): New.
9994 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9995 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9996 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9999 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10001 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10003 * params.h (MAX_SCHED_READY_INSNS): New macro.
10004 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10005 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10006 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10007 the ready list for 1 cycle during the first scheduling pass.
10008 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10010 2006-04-13 Richard Henderson <rth@redhat.com>
10013 * gimple-low.c (lower_omp_directive): Remove dead code.
10014 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10015 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10016 * omp-low.c (struct omp_region): Move to tree-flow.h.
10017 (root_omp_region): Export.
10018 (omp_regions, lookup_omp_region): Remove.
10019 (determine_parallel_type): Update for struct omp_region changes.
10020 (dump_omp_region): Dump regions with block numbers.
10021 (new_omp_region): Take type and block instead of stmt; malloc
10023 (free_omp_region_1, free_omp_regions): New.
10024 (expand_parallel_call): Take entry_stmt as argument; update for
10025 changes to omp_region.
10026 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10027 (remove_exit_barriers): New.
10028 (expand_omp_parallel): Update for struct omp_region changes.
10029 (expand_omp_synch): Likewise.
10030 (expand_omp): Likewise.
10031 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10032 (expand_omp_for_static_chunk): Likewise.
10033 (expand_omp_for): Likewise.
10034 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10035 (expand_omp_sections): Similarly, with GOMP_sections_end.
10036 (expand_omp_single): New.
10037 (build_omp_regions_1): Update for OMP_CONTINUE.
10038 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10039 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10040 OMP_SECTIONS_SECTIONS.
10041 (lower_omp_single_simple): Don't emit barrier here.
10042 (lower_omp_single_copy): Likewise.
10043 (lower_omp_single): Fix bindings, and lower to straightline now.
10044 (lower_omp_master, lower_omp_ordered): Likewise.
10045 (lower_omp_critical): Likewise.
10046 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10047 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10048 omp edges, free it afterward.
10049 (make_omp_sections_edges): Remove.
10050 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10051 (move_stmt_r): Handle OMP_CONTINUE.
10052 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10053 statement pointers to basic blocks. Add type member.
10054 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10055 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10056 * tree-inline.c (estimate_num_insns_1): Likewise.
10057 * tree-pretty-print.c (dump_generic_node): Likewise.
10058 * tree-ssa-operands.c (get_expr_operands): Likewise.
10059 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10060 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10061 (OMP_CONTINUE): New.
10062 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10063 (OMP_SECTIONS_SECTIONS): Remove.
10064 (OMP_SECTION_LAST): New.
10065 (OMP_RETURN_NOWAIT): New.
10067 2006-04-13 Roger Sayle <roger@eyesopen.com>
10069 * fold-const.c (native_encode_vector, native_interpret_real):
10070 Correct obvious mistakes in the previous check-in.
10072 2006-04-13 Roger Sayle <roger@eyesopen.com>
10074 * fold-const.c (native_encode_expr): New function to encode
10075 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10076 or VECTOR_CST into a specified buffer.
10077 (native_encode_int): New function.
10078 (native_encode_real): New function.
10079 (native_encode_complex): New function.
10080 (native_encode_vector): New function.
10081 (native_interpret_expr): Inverse of native_encode_expr to convert
10082 a target representation into an INTEGER_CST, REAL_CST etc...
10083 (native_interpret_int): New function.
10084 (native_interpret_real): New function.
10085 (native_interpret_complex): New function.
10086 (native_interpret_vector): New function.
10087 (fold_view_convert_expr): New function to constant fold/evaluate
10088 a VIEW_CONVERT_EXPR of a suitable constant expression.
10089 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10090 Change call of build1 to fold_build1 when constructing a
10093 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10094 Ulrich Weigand <uweigand@de.ibm.com>
10097 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10100 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10103 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10104 optimize to lo_sum for DFmode if !TARGET_FPRS.
10106 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10108 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10109 delete_alias_info, compute_flow_sensitive_aliasing,
10110 group_aliases): Use VEC instead of VARRAY.
10111 * tree-ssa-structalias.c (update_alias_info): Likewise.
10112 * tree-ssa-structalias.h (alias_info): Change the type of
10113 processed_ptrs to VEC(tree,heap) *.
10115 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10118 * config/sh/lib1funcs.h: New file, broken out of:
10119 * config/sh/lib1funcs.asm.
10120 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10122 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10123 * config/sh/lib1funcs-Os-4-200.asm: New file.
10124 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10125 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10126 (EXTRA_MULTILIB_PARTS): Include it.
10127 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10128 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10129 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10130 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10133 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10135 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10136 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10137 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10139 * tree-ssa-live.h: Include vecprim.h.
10140 (tree_partition_associator_d): Change the type of
10141 first_partition to VEC(int,heap) *.
10142 (tpa_first_partition): Use VEC instead of VARRAY.
10144 * Makefile.in (GTFILES): Move functions.h after tree.h.
10145 * function.c (reset_block_changes, record_block_change,
10146 check_block_change, free_block_changes): Use VEC instead of
10148 * function.h (function): Change the type of
10149 ib_boundaries_block to VEC(tree,gc) *.
10150 * tree-inline.c (copy_cfg_body): Initialize
10151 ib_boundaries_block to NULL instead of (varray_type) 0.
10153 2006-04-12 Roger Sayle <roger@eyesopen.com>
10155 * expr.c (emit_group_store): Correct operand order in call to
10156 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10157 a SUBREG_BYTE of zero.
10159 2006-04-12 Richard Guenther <rguenther@suse.de>
10161 * profile.c (compute_branch_probabilities): Remove code
10162 encapsulated in !ir_type (), which are remanents of the
10163 removed RTL profiling code.
10164 * rtl-profile.c: Remove.
10166 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10168 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10169 magic NULL_RTX comment.
10170 (function_arg): Store entire fp arg to mem if any part should go
10172 (rs6000_arg_partial_bytes): Adjust for above change.
10174 2006-04-11 Roger Sayle <roger@eyesopen.com>
10176 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10177 if it hasn't been initialized by dwarf2out_init.
10179 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10181 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10182 symbolic constants in branch patterns.
10184 2006-04-11 Roger Sayle <roger@eyesopen.com>
10186 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10188 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10190 PR rtl-optimization/27073
10191 * gcse.c (try_replace_reg): Revert last change. Continue to search
10192 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10195 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10197 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10198 aggregate types other than record and union types.
10199 (function_arg): Likewise.
10200 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10202 (function_value): In 64-bit mode, return objects that require it
10205 2006-04-11 Roger Sayle <roger@eyesopen.com>
10207 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10209 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10211 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10213 2006-04-03 Jeff Law <law@redhat.com>
10216 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10217 alias information too.
10219 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10221 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10223 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10226 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10227 (premark_used_types_helper): New.
10228 (premark_used_types): New.
10229 (gen_subprogram_die): Call premark_used_types.
10230 (prune_unused_types_walk): Do not prune perennial dies.
10231 * function.c (used_types_insert): New.
10232 * function.h (struct function): Add used_types_hash field.
10233 (used_types_insert): Add prototype.
10234 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10235 * c-parser.c (c_parser_cast_expression): Save casted types in used
10238 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10241 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10242 rs6000_explicit_options.float_gprs.
10244 2006-04-10 Roger Sayle <roger@eyesopen.com>
10246 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10247 from ix86_expand_vector_init_low_nonzero. Take an additional
10248 one_var argument indicating which element is non-zero. Support
10249 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10250 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10251 with one_var instead of ix86_expand_vector_init_low_nonzero.
10253 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10255 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10256 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10257 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10258 build/genextract.o): Depend on vecprim.h.
10259 * cfglayout.c, df-problems.c, function.c, genextract.c,
10260 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10261 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10265 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10267 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10268 Declare VECs of this type.
10269 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10270 (remove_children): Delete.
10271 (add_dwarf_attr): Use VEC routines.
10272 (add_AT_flag): Update for changes to add_dwarf_attr.
10273 (add_AT_int): Likewise.
10274 (add_AT_unsigned): Likewise.
10275 (add_AT_long_long): Likewise.
10276 (add_AT_vec): Likewise.
10277 (add_AT_string): Likewise.
10278 (add_AT_die_ref): Likewise.
10279 (add_AT_fde_ref): Likewise.
10280 (add_AT_loc): Likewise.
10281 (add_AT_loc_list): Likewise.
10282 (add_AT_addr): Likewise.
10283 (add_AT_lbl_id): Likewise.
10284 (add_AT_lineptr): Likewise.
10285 (add_AT_macptr): Likewise.
10286 (add_AT_offset): Likewise.
10287 (add_AT_range_list): Likewise.
10288 (get_AT): Use VEC_iterate.
10289 (remove_AT): Use VEC_ordered_remove.
10290 (free_die): Fold remove_children into here; have it use VEC_iterate.
10291 (print_die): Use VEC_iterate on attrs.
10292 (reverse_die_lists): Don't reverse attr lists.
10293 (die_checksum): Use VEC_iterate on attrs.
10294 (same_die_p): Likewise.
10295 (output_location_lists): Likewise.
10296 (build_abbrev_table): Likewise.
10297 (size_of_die): Likewise.
10298 (unmark_all_dies): Likewise.
10299 (output_abbrev_section): Likewise.
10300 (output_die): Likewise.
10301 (prune_unused_types_walk_attribs): Likewise.
10303 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10305 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10307 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10310 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10312 2006-04-09 Roger Sayle <roger@eyesopen.com>
10314 * expr.c (store_constructor): Don't bother clearing target if
10315 we're about to assign a vector to it using vec_init_optab.
10317 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10319 * tree-ssa-alias.c (lhs_may_store_to): New function.
10320 (recalculate_used_alone): Handle LHS of calls.
10322 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10326 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10327 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10328 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10329 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10330 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10331 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10332 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10333 stubs. Add ".align 8" directives before all ".dword" directives.
10334 (GTHREAD_USE_WEAK): Revise comment.
10335 (TARGET_ATTRIBUTE_WEAK): Define.
10336 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10337 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10338 * stublib.c: New file.
10343 * pa.md (cbranch patterns): Revise arguments used in calls to
10344 output_cbranch, output_bb and output_bvd. Add long branch length
10346 (fbranch patterns): Handle long branches.
10347 (jump): Revise length check. Revise arguments for output_lbranch call.
10348 Add long branch length attributes.
10349 (decrement_and_branch_until_zero): Add long branch length attributes.
10350 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10351 Likewise. Revise arguments for output_parallel_addb and
10352 output_parallel_movb calls.
10353 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10354 output_parallel_movb and output_parallel_addb): Update prototypes.
10355 * pa.c (output_cbranch): Revise arguments. Correct handling of
10356 nullification in long branches.
10357 (output_lbranch): Add new argument to control extraction of delay
10359 (output_bb): Handle long branches.
10360 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10361 output_parallel_addb): Likewise.
10363 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10365 PR rtl-optimization/27073
10366 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10369 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10371 * tree.h (tree_memory_tag): Add old_used_alone.
10372 (SMT_OLD_USED_ALONE): New macro.
10373 * tree-ssa-alias.c (recalculate_used_alone): Stop
10374 marking things for renaming unnecessarily.
10376 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10378 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10379 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10380 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10381 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10382 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10383 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10384 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10385 spelling convensions.
10386 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10387 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10388 typos. Follow spelling conventions.
10390 2006-04-07 DJ Delorie <dj@redhat.com>
10392 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10393 passed on the stack.
10394 (m32c_init_cumulative_args): When a function returns a structure,
10395 always pass the pointer to that return area on the stack.
10396 (m32c_function_arg_advance): Don't increment the parameter number
10397 if we're processing the returned structure pointer.
10398 (pushm_info): Reverse order of registers.
10400 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10402 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10403 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10404 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10405 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10406 build_int_cst_type.
10407 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10408 chrec_fold_multiply): Same.
10409 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10410 force_expr_to_var_cost): Same.
10411 * tree-mudflap.c (mf_xform_derefs_1): Same.
10412 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10414 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10416 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10417 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10420 2006-04-07 Jan Hubicka <jh@suse.cz>
10422 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10424 2006-04-07 Richard Guenther <rguenther@suse.de>
10426 PR tree-optimization/26135
10427 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10428 loads for store copy-prop.
10429 (copy_prop_visit_stmt): Likewise.
10431 2006-04-05 Robert Millan <robertmh@gnu.org>
10433 * config/i386/linux.h: Add a comment to mark macros that are
10434 being overriden in config/k*bsd-gnu.h.
10435 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10437 * config/knetbsd-gnu.h: Ditto.
10439 2006-04-06 Jan Hubicka <jh@suse.cz>
10443 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10446 2006-04-06 Mike Stump <mrs@apple.com>
10448 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10449 for HAVE_nonlocal_goto to be consistent.
10450 (expand_builtin_nonlocal_goto): Likewise.
10451 (expand_builtin_strcmp): Use #ifdef instead of #if
10452 for HAVE_cmpstrnsi to be consistent.
10454 2006-04-05 DJ Delorie <dj@redhat.com>
10456 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10459 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10461 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10462 got-relative addressing for anything but SImode.
10464 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10465 even if the calling function doesn't modify them.
10467 2006-04-05 Richard Guenther <rguenther@suse.de>
10469 PR tree-optimization/26919
10470 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10471 to cgraph_estimate_size_after_inlining.
10473 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10475 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10477 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10479 PR tree-optimization/26996
10480 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10481 VECTOR_TYPE variables.
10483 2006-04-05 Richard Guenther <rguenther@suse.de>
10485 PR tree-optimization/26763
10486 * fold-const.c (fold_comparison): Move folding of
10487 PTR + CST CMP PTR + CST ...
10488 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10490 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10492 * doc/install.texi (Prerequisites): Refine some wording on
10493 bootstrapping and ksh.
10494 Move the version numbers of DejaGnu here from the testing section
10495 and fix casing of names.
10496 Fix markup and clarify wording for autogen requirements.
10497 Refer to GCJ instead of just java.
10498 Refer to SVN instead of CVS.
10499 Describe diffutils as useful instead of necessary.
10500 (Downloading the source): Refer to SVN instead of CVS.
10501 Adjust a link to our web site accordingly.
10502 (Configuration): Fix casing of Bison.
10503 (Building): Refer to SVN instead of CVS.
10504 Fix a sentence on the use of Bison and remove duplicate (and
10505 incorrect) version number of Bison requirement.
10506 Remove one redundant list of packages needed for building.
10507 (Specific): Avoid reference to CVS.
10509 2006-04-04 Eric Christopher <echristo@apple.com>
10511 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10512 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10513 (rs6000_handle_struct_attribute): New.
10514 (rs6000_ms_bitfield_layout_p): Ditto.
10516 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10518 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10519 NULL for dso parameter to atexit_common.
10521 2006-04-04 Eric Christopher <echristo@apple.com>
10523 * config/i386/i386.c (machopic_output_stub): Output \t
10524 between instructions and operands.
10526 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10528 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10529 satisfies_constraint_[IL] to explicit tests on value.
10531 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10533 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10534 set_nb_iterations_in_loop): Use build_int_cst instead of
10535 build_int_cst_type.
10536 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10537 build_int_cst instead of convert.
10539 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10541 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10542 new value 2 for incoming.
10543 * function.c (expand_function_start): Call struct_value_rtx
10544 with incoming as 2.
10545 * config/sparc/sparc.md: Comment updated_return.
10546 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10547 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10548 struct return if sparc_std_struct_return and incoming is 2.
10549 (print_operand): Do not adjust return if
10550 sparc_std_struct_return.
10552 2006-04-04 Roger Sayle <roger@eyesopen.com>
10554 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10555 convert in the middle-end.
10556 * expr.c (store_expr, store_constructor, get_inner_reference,
10557 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10559 * tree.c (build_range_type): Likewise.
10561 2006-04-04 Tom Tromey <tromey@redhat.com>
10563 * doc/install.texi (Prerequisites): Mention jar.
10565 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10567 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10570 2006-04-04 Matthias Klose <doko@debian.org>
10572 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10576 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10579 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10581 * doc/extend.texi (Function Attributes): Rewrite visibility
10582 attribute documentation.
10583 * doc/invoke.texi (C++ Dialect Options): Rewrite
10584 -fvisibility-inlines-hidden documentation to describe something
10585 entirely different, although in practise compatible.
10586 (Code Gen Options): Warn about system headers in -fvisibility=
10589 * doc/extend.texi (Other Builtins): Document that
10590 __builtin_nan is a compile-time constant only when its argument
10593 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10595 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10596 trying to remove TRUNCATE check if all bits outside the new mode
10597 are identical to the sign bit.
10599 2006-04-03 Jeff Law <law@redhat.com>
10601 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10602 and operand scanning in some common cases.
10604 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10605 Dale Johannesen <dalej@apple.com>
10608 * regclass.c (struct reg_pref): Update documentation.
10609 (regclass): Set prefclass to NO_REGS if memory is the best option.
10610 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10611 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10612 into account. For non-registers, equate an empty preferred
10613 reload class to a `!' in the constraint; move the if clause to
10614 do so after those that reject the insn.
10615 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10617 (find_dummy_reload): Likewise.
10618 * doc/tm.texi (Register Classes): Document what it means
10619 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10620 * config/i386/i386.c (ix86_preferred_reload_class): Force
10621 using SSE registers (and return NO_REGS for floating-point
10622 constants) if math is done with SSE.
10623 (ix86_preferred_output_reload_class): New.
10624 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10625 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10626 * config/i386/i386.md: Remove # register preferences.
10628 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10631 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10632 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10633 the type of nb_iter.
10634 (instantiate_parameters_1): Convert the operands before calling
10635 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10636 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10638 2006-04-02 Roger Sayle <roger@eyesopen.com>
10640 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10641 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10642 instead of convert.
10643 * dojump.c (do_jump): Likewise.
10644 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10645 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10646 gimplify_boolean_expr): Likewise.
10647 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10648 * varasm.c (array_size_for_constructor): Likewise.
10649 * tree-object-size.c (compute_object_offset): Likewise.
10651 2006-04-02 Roger Sayle <roger@eyesopen.com>
10653 PR middle-end/26977
10654 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10655 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10657 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10659 PR tree-optimization/26939
10660 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10662 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10664 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10665 at_stmt. Convert the type of operands before calling
10666 build_polynomial_chrec.
10667 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10668 add_to_evolution_1.
10669 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10670 (instantiate_parameters_1): Convert the type of operands before calling
10671 build_polynomial_chrec.
10672 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10673 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10674 reset_evolution_in_loop): Insert asserts to check the types of the
10676 (chrec_type): Moved...
10677 (eq_evolutions_p): Use operand_equal_p.
10678 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10679 the types of the operands.
10680 (chrec_type): ...here.
10681 * tree-data-ref.c (create_data_ref): Convert the operands before
10682 calling chrec_replace_initial_condition.
10683 (same_access_functions, analyze_subscript_affine_affine,
10684 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10685 (compute_subscript_distance, analyze_ziv_subscript,
10686 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10687 analyze_miv_subscript): Convert the operands before calling
10688 chrec_fold_minus or chrec_fold_plus.
10690 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10692 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10693 the dependence_relations vector.
10694 (compute_data_dependences_for_loop): Adjust call to
10695 compute_all_dependences.
10697 2006-04-01 Roger Sayle <roger@eyesopen.com>
10698 Richard Henderson <rth@redhat.com>
10700 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10701 gimple_boolify on the condition before calling gimplify_expr.
10703 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10705 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10706 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10707 the frame size. Update to use the new macros.
10708 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10709 * config/xtensa/ieee754-df.S: Likewise.
10711 2006-03-31 Richard Henderson <rth@redhat.com>
10713 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10714 (make_edges): ... here. Control fallthru creation with a local
10715 variable. Do not play with fake edges.
10716 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10717 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10720 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10722 * dwarf2.h (DW64_CIE_ID): Define.
10723 * dwarf2out.c (DWARF_CIE_ID): Define.
10724 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10725 length header. Use DWARF_CIE_ID.
10726 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10727 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10729 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10731 * config/sh/linux-atomic.asm: New file.
10732 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10734 2006-03-31 DJ Delorie <dj@redhat.com>
10736 * config/m32c/cond.md: Set condition flags properly throughout.
10737 * config/m32c/minmax.md: Likewise.
10738 * config/m32c/prologue.md: Likewise.
10739 * config/m32c/bitops.md: Likewise.
10740 * config/m32c/muldiv.md: Likewise.
10741 * config/m32c/mov.md: Likewise.
10742 * config/m32c/addsub.md: Likewise.
10743 * config/m32c/m32c.md: Likewise.
10744 * config/m32c/jump.md: Likewise.
10745 * config/m32c/shift.md: Likewise.
10747 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10748 conditionally output the pattern for this.
10749 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10750 (m32c_compare_redundant): New.
10751 (m32c_output_compare): New.
10752 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10754 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10755 dest, not src. Allow other 4-byte modes.
10757 2006-03-30 Denis Chertykov <denisc@overta.ru>
10759 * doc/md.texi: Refer to avr/constraints.md instead of
10762 2006-03-30 Roger Sayle <roger@eyesopen.com>
10764 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10765 signed vs. unsigned comparison failures on some hosts.
10767 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10770 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10771 change to FLOAT_REGS.
10773 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10774 (rs6000_override_options): Use it.
10775 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10776 only for -mabi=spe/no-spe and -mabi=altivec.
10778 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10780 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10783 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10785 * Makefile.in: Rename docdir to gcc_docdir.
10787 2006-03-30 Roger Sayle <roger@eyesopen.com>
10790 * expr.c (emit_group_store): Optimize group stores into a pseudo
10791 register by using a paradoxical subreg to initialize the destination
10792 if the first or last member of the group specifies a "low part".
10794 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10797 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10798 * target.h (struct gcc_target.speculate_insn): Change type of the
10799 second parameter to 'int'.
10800 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10801 the second operand of the DEPS_LIST.
10802 (copy_DEPS_LIST_list): Update reference to the second operand of the
10804 * rtl.h (alloc_DEPS_LIST): Update signature.
10805 * sched-int.h (ds_t): Change typedef to 'int'.
10806 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10808 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10810 * haifa-sched.c (try_ready): Change condition to restore
10811 non-speculative pattern of the instruction.
10812 (process_insn_depend_be_in_spec): Code to keep probability of the
10813 speculative dependence non-decreasing.
10815 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10817 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10818 (single_move_for_movmem): ... this. Also change all uses.
10819 (bfin_expand_strmov): Renamed to...
10820 (bfin_expand_movmem): ... this. Also change all uses.
10821 * config/bfin/bfin.md (movstrsi): Renamed to...
10822 (movstrsi): ...this.
10824 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10826 PR tree-optimization/26830
10828 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10829 (copy_prop_visit_stmt): Remove write-only variable ann.
10830 (init_copy_prop): Check variable loop depth here. Do not simulate
10831 memory-tag and virtual operand PHIs except for store copy prop.
10833 2006-03-30 Richard Guenther <rguenther@suse.de>
10835 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10836 variants with double arguments.
10838 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10840 * genpreds.c (write_tm_constrs_h): Delete variable p.
10841 * genconditions.c (write_header): Add tm-constrs.h to included
10843 * genpeep.c (main): Add toplev.h to included headers.
10844 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10845 (build/genpeep.o): Add toplev.h dependency.
10846 * config/rs6000/constraints.md: Add "W" constraint.
10848 2006-03-29 Roger Sayle <roger@eyesopen.com>
10850 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10851 sizes by correctly testing whether the size fits a host integer.
10852 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10853 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10854 SImode range for the default sizetype and bitsizetype.
10856 2006-03-29 Roger Sayle <roger@eyesopen.com>
10858 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10859 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10860 quickly if the argument is already of the correct type.
10861 Call fold_build1 instead of build1. Tidy up blank lines.
10863 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10865 * genemit.c (main): Add tm-constrs.h to included headers.
10866 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10867 * genpeep.c (main): Add tm-constrs.h to included headers.
10868 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10869 (write_tm_constrs_h): this and write complete file.
10870 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10871 (write_insn_preds_c): Add tm-constrs.h to included headers.
10872 (gen_constrs): New variable.
10873 (parse_option): Parse "-c".
10874 (main): Invoke write_tm_constrs_h.
10875 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10876 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10877 (object_out_file): Add tm-constrs.h dependency.
10878 (insn-emit.o): Same.
10879 (insn-output.o): Same.
10880 (insn-peep.o): Same.
10881 (insn-preds.o): Same.
10882 (insn-recog.o): Same.
10883 (tm-constsr.h): New target.
10884 (s-constrs-h): New target.
10886 * config/rs6000/constraints.md: New file.
10887 * config/rs6000/rs6000.c: Include tm-constrs.h.
10888 (num_insn_constant_wide): Convert to satisfies_constraint.
10889 (rs6000_rtx_costs): Convert to satisfies_constraint.
10890 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10891 (CONST_OK_FOR_LETTER_P): Delete.
10892 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10893 (EXTRA_CONSTRAINT): Delete.
10894 (EXTRA_MEMORY_CONSTRAINT): Delete.
10895 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10896 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10897 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10898 satisfies_constraint.
10900 * config/i386/i386.c: Include tm-constrs.h.
10902 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10904 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10905 * tree-data-ref.c (find_data_references_in_loop,
10906 compute_data_dependences_for_loop): Use pointers to VEC.
10907 (analyze_all_data_dependences): Adjust calls.
10908 * tree-data-ref.h (find_data_references_in_loop,
10909 compute_data_dependences_for_loop): Adjust declarations.
10910 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10911 compute_data_dependences_for_loop.
10913 2006-03-29 Paul Brook <paul@codesourcery.com>
10915 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10916 (movdf_vfp): Ditto.
10918 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10920 PR tree-optimization/26859
10921 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10923 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10924 for the step after fold_convert.
10926 2006-03-29 Paul Brook <paul@codesourcery.com>
10928 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10929 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10931 2006-03-29 Paul Brook <paul@codesourcery.com>
10933 PR middle-end/23623
10934 * targhooks.c (default_narrow_bitfield): New fuction.
10935 * targhooks.h (default_narrow_bitfield): add prototype.
10936 * target.h (gcc_target): Add narrow_volatile_bitfield.
10937 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10938 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10939 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10940 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10942 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10944 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10946 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10947 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10948 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10949 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10950 (s390_function_arg_float): Allow SDmode and DDmode values to be
10951 passed in floating point registers.
10952 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10953 check with SCALAR_FLOAT_MODE_P.
10954 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10956 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10958 PR tree-optimization/25985
10959 * tree-ssa-loop-niter.c (number_of_iterations_le,
10960 number_of_iterations_ne): Make comments more precise.
10961 (number_of_iterations_cond): Add only_exit argument. Use the
10962 fact that signed variables do not overflow only when only_exit
10964 (loop_only_exit_p): New.
10965 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10966 number_of_iterations_cond.
10968 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10970 PR tree-optimization/26643
10971 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10974 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10976 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10977 (divsi3_i4_int): Likewise.
10979 2006-03-28 Roger Sayle <roger@eyesopen.com>
10981 * expr.c (emit_group_store): Only create a new pseudo reg if the
10982 quantity it needs to hold isn't already a suitable pseudo.
10984 2006-03-28 Jeff Law <law@redhat.com>
10986 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10987 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10989 2006-03-28 Roger Sayle <roger@eyesopen.com>
10991 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10992 the equivalent ~X & Y, and the symmetry related transformations.
10993 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10994 ~X & Y, and symmetry related transforms.
10996 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10998 Revert my 2006-03-27 patches.
11000 2006-03-28 Roger Sayle <roger@eyesopen.com>
11002 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11003 ~(T1)X, when T1 and T2 are integer types of the same precision
11004 and (T2)X isn't an extension.
11006 2006-03-28 Jeff Law <law@redhat.com>
11008 PR tree-optimization/26796
11009 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11010 need EH edge cleanups rather than purging them immediately.
11011 (eliminate_degenerate_phis): Handle queued EH cleanups.
11013 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11015 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11018 2006-03-27 Roger Sayle <roger@eyesopen.com>
11020 PR middle-end/22524
11021 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11022 cast BIT_NOT_EXPR operand to the correct type.
11024 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11026 * tree-loop-linear.c: Don't include varray.h.
11027 (gather_interchange_stats, try_interchange_loops,
11028 linear_transform_loops): Use VEC instead of VARRAY.
11029 * lambda-mat.c: Don't include varray.h.
11030 * tree-chrec.c: Same.
11031 * lambda-trans.c: Same.
11032 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11033 VEC instead of VARRAY.
11034 * tree-vectorizer.h: Idem.
11035 * tree-data-ref.c (dump_data_references,
11036 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11037 initialize_data_dependence_relation, finalize_ddr_dependent,
11038 compute_all_dependences, find_data_references_in_loop,
11039 compute_data_dependences_for_loop, analyze_all_data_dependences,
11040 free_dependence_relation, free_dependence_relations,
11041 free_data_refs): Idem.
11042 * tree-data-ref.h (data_reference_p, subscript_p): New.
11043 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11044 VEC instead of VARRAY.
11045 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11046 (find_data_references_in_loop, compute_data_dependences_for_loop,
11047 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11048 dump_data_dependence_relations, free_dependence_relations,
11049 free_data_refs): Adjust declaration.
11050 (lambda_transform_legal_p): Move declaration here...
11051 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11052 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11053 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11054 vect_analyze_data_refs): Use VEC instead of VARRAY.
11055 * lambda.h (lambda_transform_legal_p): ...from here.
11056 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11057 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11058 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11059 tree-chrec.o): Don't depend on VARRAY_H.
11061 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11063 * rtl.def (Copyright): Update date.
11064 (DEPS_LIST): Change type of the second operand to 'int'.
11065 * target.h (Copyright): Update date.
11066 (struct gcc_target.speculate_insn): Change type of the second parameter
11068 * lists.c (Copyright): Update date.
11069 (alloc_DEPS_LIST): Change signature. Update reference to the second
11070 operand of the DEPS_LIST.
11071 (copy_DEPS_LIST_list): Update reference to the second operand of the
11073 * rtl.h (Copyright): Update date.
11074 (alloc_DEPS_LIST): Update signature.
11075 * sched-int.h (Copyright): Update date.
11076 (ds_t): Change typedef to 'int'.
11077 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11079 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11081 * haifa-sched.c (Copyright): Update date.
11082 (try_ready): Change condition to restore non-speculative pattern
11083 of the instruction.
11084 (process_insn_depend_be_in_spec): Code to keep probability of the
11085 speculative dependence non-decreasing.
11087 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11089 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11090 shut up the compiler.
11092 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11094 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11095 to use lib prefix for target.
11096 ($(T)libic_invalidate_array_4-200.a): Likewise.
11097 ($(T)libic_invalidate_array_4a.a): Likewise.
11099 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11100 J"orn Rennecke <joern.rennecke@st.com>
11102 * superh.opt: New file.
11103 * sh.c (boardtype, osruntime): Remove.
11104 * superh.h (SUBTARGET_OPTIONS): Remove.
11105 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11107 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11108 arguments with ^ and/or [].
11110 * config.gcc (sh-*-*): Add quoting to account for quirk of
11112 Replace == with = in enable_incomplete_targets test.
11114 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11115 with MASK_LITTLE_ENDIAN.
11117 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11118 * config/sh/sh.opt: Added to some comments.
11119 * config/sh/superh.h: Removed some chaff.
11121 * config/sh/sh.opt: Add m4-[1234]00* options.
11122 * config/sh/sh.c (sh_handle_option): Likewise.
11123 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11124 (ic_invalidate_array_4-100.o): New rule.
11125 ($(T)libic_invalidate_array_4-100.a): Likewise.
11126 (ic_invalidate_array_4-200.o): Likewise.
11127 ($(T)libic_invalidate_array_4-200.a): Likewise.
11128 (ic_invalidate_array_4a.o): Likewise.
11129 ($(T)libic_invalidate_array_4a.a): Likewise.
11130 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11131 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11133 * config/sh/crt1.asm: Merged in profiling code.
11134 * config/sh/superh.h (STARTFILE_SPEC): Override.
11135 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11136 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11137 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11139 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11140 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11141 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11143 * sh.opt (mpretend-cmove): New option.
11144 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11145 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11146 (movsicc): Add TARGET_PRETEND_CMOVE code.
11148 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11150 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11151 s390_class_max_nregs): New function prototypes.
11152 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11153 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11154 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11155 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11157 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11159 * dwarf2out.c (add_location_or_const_value_attribute): Call
11160 tree_add_const_value_attribute if nothing else works.
11161 (reference_to_unused): New.
11162 (rtl_for_decl_init): Use reference_to_unused to decide whether
11163 to output an initializer.
11165 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11168 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11169 peephole removing spe frob_di_df_2.
11171 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11173 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11174 (subscript_dependence_tester_1): Declared.
11175 (print_dir_vectors, print_dist_vectors): New.
11176 (debug_data_dependence_relation): New.
11177 (dump_data_dependence_relation): Print more details.
11178 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11179 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11180 (save_dist_v, save_dir_v, add_outer_distances,
11181 build_classic_dist_vector_1): New.
11182 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11183 Don't test for lambda_vector_lexico_pos.
11184 (same_access_functions, add_multivariate_self_dist,
11185 add_other_self_distances, dir_from_dist): New.
11186 (build_classic_dir_vector): Replace implementation almost identical to
11187 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11189 (subscript_dependence_tester_1): New.
11190 (subscript_dependence_tester): Handle the lexicographically negative
11191 distance vectors by recomputing the dependence relation.
11192 (compute_affine_dependence): Remove parameter loop_nest_depth.
11193 (compute_self_dependence): Don't call compute_subscript_distance.
11194 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11195 Add a parameter for the loop_nest.
11196 (find_loop_nest_1, find_loop_nest): New.
11197 (compute_data_dependences_for_loop): Compute the loop nest, and give
11198 up if the nest is not well formed.
11199 * tree-data-ref.h (loop_p): New.
11200 (struct data_dependence_relation): Replace size_vect field with
11201 loop_nest, a vec of loops.
11202 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11203 (DDR_LOOP_NEST): New.
11204 (print_dir_vectors, print_dist_vectors,
11205 debug_data_dependence_relation): Declared.
11206 (index_in_loop_nest): New.
11207 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11208 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11211 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11213 * simplify-rtx.c (simplify_relational_operation): Call
11214 simplify_relational_operation_1 even if mode is VOIDmode.
11216 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11218 PR tree-optimization/26804
11219 * tree.h (DECL_CALL_CLOBBERED): New macro.
11220 (tree_decl_common): Add call_clobbered_flag.
11221 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11222 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11223 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11224 (mark_non_addressable): Ditto.
11225 * tree-ssa.c (verify_call_clobbered): New function.
11226 (verify_alias_info): Use it.
11227 * tree-pass.h (pass_reset_cc_flags): New prototype.
11228 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11229 (reset_cc_flags): New function.
11230 * passes.c (init_optimization_passes): Call reset_cc_flags after
11231 initializing referenced_vars.
11233 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11234 Roger Sayle <roger@eyesopen.com>
11236 PR middle-end/26717
11237 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11238 to 1.0 for non-real operands. Implement A / A optimization for
11241 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11243 * config/i386/i386.c (size_cost): Correct the comment for
11244 cost of storing fp registers.
11245 (i386_cost): Likewise.
11246 (i486_cost): Likewise.
11247 (pentium_cost): Likewise.
11248 (pentiumpro_cost): Likewise.
11249 (k6_cost): Likewise.
11250 (athlon_cost): Likewise.
11251 (k8_cost): Likewise.
11252 (pentium4_cost): Likewise.
11253 (nocona_cost): Likewise.
11254 (generic64_cost): Likewise.
11255 (generic32_cost): Likewise.
11257 2006-03-24 Denis Chertykov <denisc@overta.ru>
11259 * config/avr/avr-protos.h (extra_constraint): Delete.
11260 (extra_constraint_Q): New declaration.
11261 * config/avr/constraints.md: New file.
11262 * config/avr/avr.md: Include it.
11263 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11264 (TMP_REGNO, ZERO_REGNO): Likewise.
11265 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11266 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11267 (extra_constraint): Delete.
11268 (extra_constraint_Q): Test for memory constraint 'Q'.
11269 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11270 (REG_CLASS_FROM_LETTER): Delete.
11271 (CONST_OK_FOR_LETTER_P): Delete.
11272 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11273 (EXTRA_CONSTRAINT): Delete.
11274 (TMP_REGNO): Delete.
11275 (ZERO_REGNO): Delete.
11277 2006-03-24 Jeff Law <law@redhat.com>
11279 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11280 directly. Call mark_new_vars_to_rename slightly earlier.
11282 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11284 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11285 (is_cxx): Likewise.
11286 (gen_compile_unit_die): Use new language types for Objective-C and
11288 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11289 DW_LANG_C_plus_plus.
11292 * config/t-darwin (crt3.o): Work around bug 26840.
11293 * config/darwin-crt3.c: Rewrite.
11294 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11296 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11298 * doc/invoke.texi: Document -femit-class-debug-always
11299 * common.opt: Add -femit-class-debug-always.
11301 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11303 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11304 index and base register.
11305 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11306 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11307 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11308 REGNO_OK_FOR_INDEX_P.
11309 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11311 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11312 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11313 REG_OK_FOR_BASE_P): Definitions removed.
11315 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11317 PR middle-end/26611
11318 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11319 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11320 set yet or weren't marked as local yet.
11322 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11324 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11327 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11329 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11330 (rs6000_legitimate_small_data_p): Delete.
11331 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11332 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11333 and make static. Add forward declaration. Update uses.
11334 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11335 of offsettable_memref_p.
11336 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11337 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11339 2006-03-24 Jeff Law <law@redhat.com>
11341 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11342 around bug in immediate-use iterator.
11344 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11347 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11348 or __LITTLE_ENDIAN__.
11350 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11352 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11353 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11354 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11355 * config/sh/sh.opt (mdiv=): Amend description.
11356 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11357 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11358 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11359 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11360 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11361 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11362 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11363 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11364 TARGET_DIVIDE_CALL_FP.
11366 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11368 * haifa-sched.c (choose_ready): Fix type of the local variable.
11369 Move local variables. Add comment.
11370 (check_reg_live): Change signature. Make callable from debugger.
11371 * sched-int.h (check_reg_live): Update signature.
11372 * sched-ebb.c (check_reg_live): Update parameters.
11373 * sched-rgn.c (check_reg_live): Ditto.
11374 (region_head_or_leaf_p): Check pointer before dereferencing.
11375 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11376 before reload on optimization levels below 1.
11378 2006-03-23 Richard Henderson <rth@redhat.com>
11380 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11384 * config/alpha/predicates.md (local_symbolic_operand): Reject
11387 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11390 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11391 expressions which have overflowed constants.
11393 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11395 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11397 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11399 * cfgloopmanip.c (create_loop_notes): Removed.
11400 * final.c (final_scan_insn): Do not handle loop notes.
11401 * jump.c (squeeze_notes): Ditto.
11402 * cfglayout.c (skip_insns_after_block,
11403 duplicate_insn_chain): Ditto.
11404 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11406 * cfgloop.h (create_loop_notes): Declaration removed.
11408 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11410 * varasm.c (output_constant_pool): Restore fnname and fndecl
11412 (assemble_start_function): Adjust call accordingly.
11413 (assemble_end_function): Likewise.
11415 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11418 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11421 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11423 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11426 * system.h (ICE_EXIT_CODE): New macro.
11427 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11428 (diagnostic_action_after_output): Likewise.
11429 * gcc.c (fatal_ice): New function.
11430 (execute): Use it instead of fatal.
11431 (fancy_abort): Likewise.
11432 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11434 2006-03-22 Jeff Law <law@redhat.com>
11436 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11437 iv_analyze_result returning false.
11439 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11441 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11443 2006-03-22 Richard Henderson <rth@redhat.com>
11445 PR middle-end/26084
11446 * except.c (duplicate_eh_regions_0): New.
11447 (duplicate_eh_region_1): Duplicate the children of the node as
11448 well as the node itself. Link them up properly.
11449 (duplicate_eh_region_2): Merge into ...
11450 (duplicate_eh_regions): ... here. Take copy_region argument, and
11451 copy only a sub-tree if asked. Simplify copying and fixup.
11452 (eh_region_outer_p): New.
11453 * except.h (duplicate_eh_regions): Update decl.
11454 (eh_region_outer_p): Declare.
11455 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11456 (lower_omp_master): Likewise.
11457 (lower_omp_ordered): Likewise.
11458 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11459 (move_stmt_r): Use it to remap labels. Handle recursion vs
11460 remap_decls_p properly.
11461 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11462 (find_outermost_region_in_block): New.
11463 (new_label_mapper): New.
11464 (move_sese_region_to_fn): Copy eh information to the new function
11466 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11468 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11471 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11473 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11474 into shared libraries.
11476 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11478 * doc/md.texi: Refer to i386/constraints.md instead of
11479 i386/predicates.md.
11480 * config/i386/constraints.md: New file, extracted from...
11481 * config/i386/predicates.md: ...here.
11482 * config/i386/i386.md: Include constraints.md.
11484 2006-03-21 Jason Merrill <jason@redhat.com>
11486 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11488 PR middle-end/20297
11489 * expr.c (init_block_move_fn): Force default visibility.
11490 (init_block_clear_fn): Likewise.
11491 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11492 * targhooks.c (default_external_stack_protect_fail): Likewise.
11494 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11496 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11497 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11498 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11499 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11500 (loadgp): Use mips_current_loadgp_style.
11501 (loadgp_noshared): New pattern.
11502 (sibcall_internal): Use MIPS_CALL.
11503 (sibcall_value_internal): Likewise.
11504 (sibcall_value_multiple_internal): Likewise.
11505 (call_internal): Likewise.
11506 (call_value_internal): Likewise.
11507 (call_value_multiple_internal): Likewise.
11508 (call_split): Use MIPS_CALL and add an 'S' constraint.
11509 (call_value_split): Likewise.
11510 (call_value_multiple_split): Likewise.
11511 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11512 (-mshared): New option.
11513 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11514 (mips_current_loadgp_style): Declare.
11515 * config/mips/mips.c (mips_classify_symbol): Avoid using
11516 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11517 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11518 TARGET_ABSOLUTE_ABICALLS.
11519 (override_options): Adjust comments. Improve the warning that is
11520 issued when -mabicalls and -G are used together.
11521 (mips_file_start): Remove comment.
11522 (mips_current_loadgp_style): New function.
11523 (mips_gnu_local_gp): New variable.
11524 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11526 (mips_output_function_prologue): Use mips_current_laodgp_style.
11527 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11528 the cprestore instruction.
11529 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11530 live for TARGET_ABSOLUTE_ABICALLS.
11531 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11532 (ASM_SPEC): Pass down -mshared and -mno-shared.
11533 (MIPS_CALL): New macro.
11534 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11536 * doc/invoke.texi (-mabicalls): Update documentation.
11537 (-mshared): Document.
11539 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11541 * config/ia64/unwind-hpux.c: New file.
11542 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11544 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11547 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11549 2006-03-21 Jeff Law <law@redhat.com>
11551 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11552 type conversions of a VR_VARYING source to a wider type.
11554 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11556 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11557 tm_file on Solaris 10 and later.
11558 (sparc64-*-solaris2*): Likewise.
11559 (sparc-*-solaris2*): Likewise.
11560 * config/sol26.h: Rename to config/sol2-6.h.
11561 * config/sol2-10.h: New file.
11563 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11566 * tree-ssa-pre.c (create_component_ref_by_pieces):
11569 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11572 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11573 return it immediately.
11575 2006-03-21 Michael Matz <matz@suse.de>
11577 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11579 (remove_arc, add_arc): Update num_out_arcs member.
11580 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11582 (cache_presence): New function.
11583 (compare_states_for_equiv): New function.
11584 (state_is_differed): Don't take number of outargs, adjust callers.
11585 Use new invariant for speeding up.
11586 (init_equiv_class): Create initial classes based on sorted
11588 (partition_equiv_class): Don't track out_arcs_num.
11589 (evaluate_equiv_classes): Call cache_presence on all states and
11592 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11594 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11595 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11596 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11597 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11599 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11600 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11601 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11602 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11603 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11605 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11606 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11607 (REGNO_REG_CLASS): ARGP is in PREGS.
11608 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11610 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11611 to deal with those addresses.
11612 * addresses.h: New file.
11613 * caller-save.c: Include "addresses.h".
11614 (init_caller_save): Use new base_reg_class function.
11615 * rtl-factoring.c: Include "addresses.h".
11616 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11617 * recog.c: Include "addresses.h".
11618 (preprocess_constraints): Use new base_reg_class function.
11619 * regrename.c: Include "addresses.h".
11620 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11621 functions. Keep track of a new var INDEX_CODE to compute valid
11623 (replace_oldest_value_addr): Likewise.
11624 (replace_oldest_value_mem): Use base_reg_class.
11625 * reload.c: Include "addresses.h".
11626 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11627 (find_reloads): Use new base_reg_class function.
11628 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11629 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11630 all callers and prototype changed.
11631 * reload1.c: Include "addresses.h".
11632 (maybe_fix_stack_asms): Use base_reg_class.
11633 * regclass.c: Include "addresses.h".
11634 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11635 (init_reg_autoinc): Use new base_reg_class function.
11636 (record_reg_classes): Likewise.
11637 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11638 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11639 Use new args to compute necessary class.
11641 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11642 regrename.o, rtl-factoring.o): Update dependencies.
11643 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11644 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11645 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11646 REG_OK_FOR_INDEX_P): Delete documentation.
11648 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11650 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11651 from V7 to V9 for Solaris 7 and above.
11653 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11655 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11656 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11657 argument pointers may not alias any other storage.
11658 * common.opt: Define option -fargument-noalias-anything.
11659 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11660 alias semantics is specified by flag_argument_noalias > 2.
11662 2006-03-20 Jeff Law <law@redhat.com>
11664 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11665 (pass_phi_only_cprop): Declare.
11666 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11667 with phi_only_cprop
11668 * tree-ssa-dom.c (degenerate_phi_result): New function.
11669 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11670 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11671 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11672 (eliminate_degenerate_phis): Likewise.
11673 (pass_phi_only_cprop): New pass descriptor.
11674 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11675 support code. Callers updated.
11676 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11677 (store_copy_prop): Likewise.
11678 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11680 2006-03-20 Jason Merrill <jason@redhat.com>
11683 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11684 (push_visibility, pop_visibility): Likewise.
11685 * c-pragma.h: Declare them.
11687 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11689 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11691 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11692 parameter and use get_ebb_head_tail.
11693 (sh_md_init_global): Adjust uses of find_regmode_weight.
11695 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11697 * function.h (struct function) <x_tail_recursion_reentry>:
11698 Rename to x_stack_check_probe_note.
11699 (tail_recursion_reentry): Rename to stack_check_probe_note.
11700 * function.c: Replace tail_recursion_reentry with
11701 stack_check_probe_note everywhere.
11702 (expand_function_start): Only emit a note for
11703 stack_check_probe_note with -fstack-protect.
11704 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11706 * emit-rtl.c (remove_unnecessary_notes): Remove.
11707 (pass_remove_unnecessary_notes): Remove.
11708 * rtl.h (remove_unnecessary_notes): Remove prototype.
11709 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11710 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11711 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11713 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11716 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11717 (valid_in_set): Handle ARRAY_REF.
11718 Change "if min_variant or VH" to asserts.
11719 (create_component_ref_by_pieces): Handle ARRAY_REF.
11720 (create_expression_by_pieces): Likewise.
11721 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11723 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11725 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11726 is operand of switch, not str[0].
11728 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11730 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11731 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11733 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11735 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11736 end of insn_extra_address_constraint declaration.
11738 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11740 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11741 (no-sum-in-toc): Same.
11742 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11744 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11745 NO_FP_IN_TOC for -fPIC instead of mask.
11747 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11748 (BOOT_LDFLAGS): Delete.
11750 * config/rs6000/t-aix52: Same.
11752 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11753 (stmsi[345678]_power): New.
11755 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11757 * config/ia64/ia64.opt: Add empty line to end of file.
11759 2006-03-17 Richard Guenther <rguenther@suse.de>
11761 PR middle-end/26721
11762 * builtins.c (get_pointer_alignment): For component style references
11763 adjust alignment to the component type alignment. Make sure
11764 to adjust alignment for component access of constants.
11766 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11768 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11769 unconditional jump.
11771 2006-03-17 Paul Brook <paul@codesourcery.com>
11773 * doc/install.texi: Docuemnt --with-mode.
11774 * config.gcc: Add --with-mode for arm*-*-*.
11775 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11777 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11779 * sh.c (max_labelno_before_reorg): New variable.
11780 (sh_reorg): Initialize it.
11781 (find_barrier): Check max_labelno_before_reorg before using
11782 label_to_alignment. Take length of explicit alignment insns
11783 into account. When seeing a UNSPECV_CONST_END, return it.
11785 * sh.c (fixup_mova): Set mode of affected label to QImode.
11786 (untangle_mova): New function.
11787 (find_barrier): Use it. Check mode of label before decrementing
11789 (sh_reorg): Likewise.
11790 Set mode of all insns back to VOIDmode.
11792 * sh.c (MOVA_LABELREF): New macro.
11793 (mova_p, fixup_mova, sh_reorg): Use it.
11794 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11795 ADDR_DIFF_VEC matches mova.
11797 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11799 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11800 with ATTRIBUTE_UNUSED.
11802 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11804 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11805 pointer, instead of assuming it is possible to derive the
11806 correct args size from a call insn.
11808 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11810 * rtl.h (CONST_INT_P): Define.
11811 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11812 instead of GET_CODE(x) == CONST_INT.
11813 (vax_rtx_costs): Likewise.
11814 (vax_output_int_move): Likewise.
11815 (vax_output_int_add): Likewise.
11816 (legitimate_constant_address_p): Likewise.
11817 (index_term_p): Likewise.
11818 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11819 * config/vax/vax.md (and<mode>3): Likewise.
11820 (ashrsi3): Likewise.
11822 (movstricthi): Likewise.
11823 (movstrictqi): Likewise.
11824 (rotrsi3): Likewise.
11825 (five unnamed insns): Likewise.
11827 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11829 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11830 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11831 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11832 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11833 Pass to ASM_OUTPUT_DWARF_OFFSET.
11834 * dwarf2out.c (debug_frame_section): New.
11835 (output_call_frame_info): Use debug_frame_section. Pass it to
11836 dw2_asm_output_offset.
11837 (output_die): Pass appropriate section to dw2_asm_output_offset.
11838 (output_compilation_unit_header): Likewise.
11839 (output_pubnames): Likewise.
11840 (output_aranges): Likewise.
11841 (enum dw_val_class): Break dw_val_class_lbl_offset into
11842 dw_val_class_lineptr and dw_val_class_macptr.
11843 (add_AT_lbl_offset): Delete.
11844 (add_AT_lineptr): New.
11845 (add_AT_macptr): New.
11846 (AT_lbl): Expect a lineptr or macptr.
11847 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11848 (attr_checksum): Likewise.
11849 (same_dw_val_p): Likewise.
11850 (size_of_die): Likewise.
11851 (value_format): Likewise.
11852 (output_die): Likewise.
11853 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11855 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11856 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11857 * config/darwin-protos.h (darwin_file_start): New.
11858 (darwin_asm_output_dwarf_offset): New.
11859 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11860 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11862 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11863 if not EH section; simplify.
11864 (darwin_file_start): New.
11865 (darwin_asm_output_dwarf_offset): New.
11866 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11868 (DEBUG_INFO_SECTION): Likewise.
11869 (DEBUG_ABBREV_SECTION): Likewise.
11870 (DEBUG_ARANGES_SECTION): Likewise.
11871 (DEBUG_MACINFO_SECTION): Likewise.
11872 (DEBUG_LINE_SECTION): Likewise.
11873 (DEBUG_LOC_SECTION): Likewise.
11874 (DEBUG_PUBNAMES_SECTION): Likewise.
11875 (DEBUG_STR_SECTION): Likewise.
11876 (DEBUG_RANGES_SECTION): Likewise.
11877 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11878 (ASM_OUTPUT_DWARF_OFFSET): New.
11880 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11882 * config.gcc (tm_defines): Always add to previous value rather
11885 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11887 * config/mips/predicates.md (splittable_const_int_operand): New,
11888 split from move_operand.
11889 (splittable_symbolic_operand): New.
11890 (move_operand): Add commentary. Use splittable_const_int_operand.
11891 Inline mips_atomic_symbolic_constant_p.
11892 * config/mips/mips.md: Add combine splitters for handling moves
11893 of splittable_const_int_operands and splittable_symbolic_operands.
11894 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11895 (mips_split_symbol): Declare.
11896 (mips_move_integer): Declare.
11897 * config/mips/mips.c (mips_split_p): Make global.
11898 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11899 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11900 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11901 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11902 (mips_offset_within_object_p): Handle block symbols.
11903 (mips_atomic_symbolic_constant_p): Delete.
11904 (mips_cannot_force_const_mem): Return false for constants that
11905 mips_legitimize_move can handle.
11906 (mips_use_blocks_for_constant_p): New function.
11907 (mips_split_symbol): Make global.
11908 (mips_move_integer): Likewise. Add a temporary register argument.
11909 (mips_legitimize_const_move): Use splittable_const_int_operand and
11910 splittable_symbolic_operand.
11911 (mips_use_anchors_for_symbol_p): New function.
11912 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11913 (mips_split_p): Declare.
11915 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11917 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11918 (mips*-*-linux*): Likewise.
11920 2006-03-16 Roger Sayle <roger@eyesopen.com>
11921 Daniel Speyer <dspeyer@wam.umd.edu>
11923 PR middle-end/18259
11924 * tree-dump.c (dump_real): New function.
11925 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11926 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11927 (tree-dump.o): Add $(REAL_H) to the dependencies.
11929 2006-03-16 Roger Sayle <roger@eyesopen.com>
11931 PR middle-end/21781
11932 * real.c (real_from_string): If the mantissa is zero, don't bother
11933 parsing the exponent as the result should always be zero.
11935 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11937 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11939 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11941 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11942 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11943 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11944 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11945 ia64_sched_finish_global): New static functions to implement
11946 hooks from gcc_target.sched.
11947 (spec_check_no, max_uid, pending_data_specs): New static variables.
11948 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11949 ia64_spec_check_src_p): New static functions.
11950 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11951 (TARGET_SCHED_ADJUST_COST): Removed.
11952 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11953 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11954 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11955 TARGET_SCHED_GEN_CHECK,
11956 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11957 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11958 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11959 Fixed to handle speculation checks.
11960 (rtx_needs_barrier): Fixed to handle speculative loads and
11962 (ia64_variable_issue): Added code to count speculative loads and their
11964 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11966 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11968 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11970 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11971 (ia64_reorg): Reset stops_p to NULL after it is freed.
11972 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11973 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11974 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11976 (data_speculative, control_speculative, check_load): New attributes.
11977 (mov<mode>_advanced, mov<mode>_speculative,
11978 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11979 zero_extend<mode>di2_speculative,
11980 zero_extend<mode>di2_speculative_advanced): New patterns for
11981 data and control speculative loads.
11982 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11984 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11985 New pattern for data and control speculation checks.
11986 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11987 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11988 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11989 Auxiliary definitions for the patterns.
11990 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11991 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11993 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11995 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11996 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11997 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11998 New resource constraints.
11999 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12001 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12002 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12003 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12004 msched-in-control-spec, msched-ldc, msched-control-ldc,
12005 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12006 msched-prefer-non-control-spec-insns,
12007 msched-count-spec-in-critical-path): New flags to tune speculative
12009 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12010 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12011 msched-in-control-spec, msched-ldc, msched-control-ldc,
12012 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12013 msched-prefer-non-control-spec-insns,
12014 msched-count-spec-in-critical-path): Document new flags.
12016 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12018 * target.h (struct spec_info_def): New opaque declaration.
12019 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12020 speculate_insn, needs_block_p, gen_check,
12021 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12022 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12023 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12024 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12025 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12026 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12028 (TARGET_SCHED): Use new macros.
12029 * rtl.h (copy_DEPS_LIST_list): New prototype.
12030 * sched-int.h (struct sched_info): Change signature of new_ready field,
12031 adjust all initializations. New fields: add_remove_insn,
12032 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12033 region_head_or_leaf_p.
12034 (struct spec_info_def): New structure declaration.
12035 (spec_info_t): New typedef.
12036 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12037 recovery_block, orig_pat.
12038 (glat_start, glat_end): New variables declaraions.
12039 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12041 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12042 DETACH_LIFE_INFO, USE_GLAT.
12043 (enum SPEC_SCHED_FLAGS): New enumeration.
12044 (NOTE_NOTE_BB_P): New macro.
12045 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12046 attach_life_info, debug_spec_status, check_reg_live): New functions.
12047 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12048 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12050 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12051 * ddg.c (get_block_head_tail): Adjust all uses.
12052 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12053 (sms_sched_info): Initialize new fields.
12054 (contributes_to_priority): Removed.
12055 * haifa-sched.c (params.h): New include.
12056 (get_block_head_tail): Adjust all uses.
12057 (ISSUE_POINTS): New macro.
12058 (glat_start, glat_end): New global variables.
12059 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12060 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12061 old_last_basic_block, before_recovery, current_sched_info_var,
12062 rgn_n_insns, luid): New static variables.
12063 (insn_cost1): New function. Move logic from insn_cost to here.
12064 (find_insn_reg_weight1): New function. Move logic from
12065 find_insn_reg_weight to here.
12066 (reemit_notes, move_insn, max_issue): Change signature.
12067 (move_insn1): Removed.
12068 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12069 extend_bb): New static functions to support extension of scheduler's
12071 (generate_recovery_code, process_insn_depend_be_in_spec,
12072 begin_speculative_block, add_to_speculative_block,
12073 init_before_recovery, create_recovery_block, create_check_block_twin,
12074 fix_recovery_deps): New static functions to support
12075 generation of recovery code.
12076 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12077 restore_bb_notes, move_block_after_check, move_succs): New static
12078 functions to support ebb scheduling.
12079 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12080 functions to support handling of register live information.
12081 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12082 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12083 add_jump_dependencies): New static functions.
12084 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12085 consistancy checking.
12086 (debug_spec_status): New function to call from debugger.
12087 (priority): Added code to handle speculation checks.
12088 (rank_for_schedule): Added code to distinguish speculative instructions.
12089 (schedule_insn): Added code to handle speculation checks.
12090 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12091 Fixed to handle ebbs.
12092 (move_insn): Added code to handle ebb scheduling.
12093 (max_issue): Added code to use ISSUE_POINTS of instructions.
12094 (choose_ready): Added code to choose between speculative and
12095 non-speculative instructions.
12096 (schedule_block): Added code to handle ebb scheduling and scheduling of
12097 speculative instructions.
12098 (sched_init): Initialize new variables.
12099 (sched_finish): Free new variables. Print statistics.
12100 (try_ready): Added code to handle speculative instructions.
12101 * lists.c (copy_DEPS_LIST_list): New function.
12102 * sched-deps.c (extend_dependency_caches): New function. Move logic
12103 from create_dependency_caches to here.
12104 (get_dep_weak, ds_merge): Make global.
12105 * genattr.c (main): Code to output prototype for
12106 dfa_clear_single_insn_cache.
12107 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12108 (output_dfa_clean_insn_cache_func): Code to output
12109 dfa_clear_single_insn_cache function.
12110 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12112 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12114 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12115 New static variables.
12116 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12117 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12119 (ebb_sched_info): Initialize new fields.
12120 (get_block_head_tail): Adjust all uses.
12121 (compute_jump_reg_dependencies): Fixed to use glat_start.
12122 (schedule_ebb): Code to remove unreachable last block.
12123 (schedule_ebbs): Added code to update register live information.
12124 * sched-rgn.c (region_sched_info): Initialize new fields.
12125 (get_block_head_tail): Adjust all uses.
12126 (last_was_jump): Removed. Adjust users.
12127 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12128 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12129 Implement new hooks.
12130 (check_dead_notes1): New static function.
12131 (struct region): New fields: dont_calc_deps, has_real_ebb.
12132 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12133 (BB_TO_BLOCK): Fixed to handle EBBs.
12134 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12135 (ebb_head): New static variable.
12136 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12137 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12139 (compute_dom_prob_ps): New assertion.
12140 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12141 global_live_at_start.
12142 (init_ready_list): New assertions.
12143 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12144 (new_ready): Add support for BEGIN_CONTROL speculation.
12145 (schedule_insns): Fixed code that updates register live information
12147 (schedule_region): Fixed to handle EBBs.
12148 (init_regions): Use extend_regions and check_dead_notes1.
12149 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12150 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12151 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12152 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12153 TARGET_SCHED_GEN_CHECK,
12154 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12155 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12156 * doc/invoke.texi (max-sched-insn-conflict-delay,
12157 sched-spec-prob-cutoff): Document.
12159 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12161 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12162 inter_tick, queue_index.
12163 (struct sched_info): Change signature of init_ready_list field.
12164 Adjust all initializations.
12165 (RESOLVED_DEPS): New access macro.
12166 (ready_add): Remove prototype.
12167 (try_ready): Add prototype.
12168 * sched-rgn.c (init_ready_list): Use try_ready.
12169 (schedule_region): Initialize
12170 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12171 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12172 (init_ready_list): Use try_ready.
12173 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12174 * lists.c (remove_list_elem): Remove `static'.
12175 (remove_free_INSN_LIST_elem): New function.
12176 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12177 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12178 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12180 (readyp): New variable.
12181 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12182 change_queue_index, resolve_dep): New static functions.
12183 (try_ready): New function. Adjust callers in sched-rgn.c and
12184 sched-ebb.c to use it instead of ready_add.
12185 (clock_var): Move at the begining of file.
12186 (rank_for_schedule): Fix typo.
12187 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12188 (ready_lastpos): Enforce assertion.
12189 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12190 update all callers.
12191 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12192 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12193 (queue_to_ready): Use free_INSN_LIST_list.
12194 (early_queue_to_ready): Fix typo.
12195 (schedule_block): Init readyp. Move init_ready_list call after the
12196 initialization of clock_var. Fix error in rejecting insn by
12197 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12198 that previously corrected INSN_TICKs. Add code for handling
12200 (set_priorities): Fix typo.
12201 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12202 Clarify comment and code that keeps current_sched_info->next_tail
12205 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12207 * sched-rgn.c (extend_rgns): New static function.
12208 (find_rgns): Use it.
12209 (gather_region_statistics, print_region_statistics): New static
12211 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12212 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12214 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12215 Andrey Belevantsev <abel@ispras.ru>
12217 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12218 * lists.c (unused_deps_list): New variable.
12219 (free_list): Add assertions to verify the proper distinguishing
12220 between INSN_LISTs and DEPS_LISTs.
12221 (find_list_elem, remove_list_elem, remove_list_node): New static
12223 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12224 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12225 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12226 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12228 (free_INSN_LIST_node): Likewise.
12229 * modulo-sched.c (current_sched_info): Initialize flags field.
12230 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12231 * rtl.def (DEPS_LIST): Define.
12232 * rtl.h: Declare new functions from lists.c.
12233 * sched-deps.c (spec_dependency_cache): New static variable.
12234 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12235 (add_dependence): Change return type to void. Move the logic to ...
12236 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12237 (delete_all_dependences): Add comment about forward_dependency_cache.
12238 Handle spec_dependency_cache. Handle DEPS_LISTs.
12239 (fixup_sched_groups): Clarify the change of priority of output
12240 and anti dependencies.
12241 (sched_analyze_2): Adjust add_dependence calls to create data
12242 speculative dependence.
12243 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12244 Adjust all callers. Handle DEPS_LISTS.
12245 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12246 presence of speculation.
12247 (init_dependency_caches, free_dependency_caches):
12248 Handle spec_dependency_cache.
12249 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12250 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12251 New static functions.
12252 (add_or_update_back_dep, add_or_update_back_forw_dep,
12253 add_back_forw_dep, delete_back_forw_dep): New functions.
12254 * sched-int.h (ds_t, dw_t): New typedefs.
12255 (struct sched_info): Add new field flags.
12256 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12257 Prototype new sched-deps.c functions.
12258 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12259 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12260 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12261 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12262 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12263 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12265 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12267 * sched-rgn.c (current_sched_info): Initialize flags field.
12268 (schedule_insns): Initialize current_sched_info before the sched_init
12270 * sched-ebb.c (current_sched_info): Initialize flags field.
12271 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12272 Call add_or_update_back_dep instead of add_dependence.
12273 Create control speculative dependencies.
12274 (schedule_insns): Initialize current_sched_info before the sched_init
12277 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12279 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12281 (sh_fallback_frame_state): Likewise.
12283 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12285 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12286 Do switch on default_use_cxa_atexit.
12287 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12288 * config/darwin-crt3.o: New.
12289 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12290 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12291 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12293 * config/rs6000/t-darwin: Move crt2.o building to here.
12294 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12295 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12298 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12300 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12301 from '! xxx' to '!xxx' for coding-style conformance.
12302 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12303 (EXTRA_CONSTRAINT): Likewise.
12304 * config/vax/vax.md (four unnamed insns): Likewise.
12306 2006-03-15 Paul Brook <paul@codesourcery.com>
12308 * config/arm/arm.c (minipool_pad): New.
12309 (add_minipool_forward_ref): Include pool alignment padding in address
12311 (push_minipool_fix): Set minipool_pad.
12312 (minipool_pad): Ditto.
12314 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12316 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12317 instead of GET_CODE() == MEM and REG_P() instead of
12319 (print_operand_address): Likewise.
12320 (vax_address_cost): Likewise.
12321 (vax_rtx_costs): Likewise.
12322 (vax_notice_update_cc): Likewise.
12323 (vax_output_int_add): Likewise.
12324 (INDEX_REGISTER_P): Likewise.
12325 (BASE_REGISTER_P): Likewise.
12326 (nonindexed_address_p): Likewise.
12327 (vax_mode_dependent_address_p): Likewise.
12328 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12329 (PRINT_OPERAND): Likewise.
12330 * config/vax/vax.md (ashlsi3): Likewise.
12331 (ashlsi3): Likewise.
12332 (some more unnamed insns): Likewise.
12334 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12336 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12337 iterator-style macro.
12338 (mark_control_dependent_edges_necessary): Update the use of
12339 EXECUTE_IF_CONTROL_DEPENDENT.
12341 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12343 * config/sh/predicates.md (cache_address_operand): Special.
12344 (ua_address_operand): Likewise.
12346 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12348 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12350 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12352 2006-03-15 Andreas Schwab <schwab@suse.de>
12354 * gensupport.c (identify_predicable_attribute): Don't free p_false
12355 when it is still in use.
12357 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12359 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12360 the default setting here.
12362 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12364 * tree-pass.h (pass_cfg): Remove.
12365 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12366 * passes.c (pass_cfg): Don't run it.
12368 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12370 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12371 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12373 (stack_regs_mentioned): Update the uses of
12374 stack_regs_mentioned_data. Don't access the array beyond its
12376 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12377 Don't include gt-reg-stack.h.
12379 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12380 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12382 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12384 PR middle-end/26684
12385 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12388 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12390 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12392 2006-03-14 Richard Guenther <rguenther@suse.de>
12394 PR tree-optimization/26672
12395 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12398 2006-03-14 Richard Guenther <rguenther@suse.de>
12400 PR tree-optimization/26667
12401 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12402 node for the callees. Always allow inlining if it will shrink
12405 2006-03-14 Richard Guenther <rguenther@suse.de>
12407 PR middle-end/26659
12408 * builtins.c (get_pointer_alignment): Prefer alignment
12409 information from decls over that from types.
12411 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12414 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12416 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12418 * config/rs6000/rs6000.opt (mdlmzb): New option.
12419 (msched-prolog, msched-epilog): Use Var not Mask.
12420 * doc/invoke.texi (-mdlmzb): Document.
12421 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12423 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12424 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12426 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12428 PR rtl-optimization/25739
12429 * bt-load.c (augment_live_range): Free tos pointer.
12431 * gensupport.c (identify_predicable_attribute): Free
12433 * gcov.c (create_file_names): Free name pointer.
12435 2006-03-13 Roger Sayle <roger@eyesopen.com>
12437 PR middle-end/26557
12438 * stmt.c (emit_case_nodes): Handle the case where the index is a
12439 CONST_INT, where the comparison mode is specified by the index type.
12441 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12443 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12446 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12448 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12449 (*branch_fp_inverted): Likewise.
12451 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12453 PR middle-end/25989
12454 * omp-low.c (expand_omp_for_generic): Mark istart0
12455 and iend0 as addressable.
12457 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12459 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12461 2006-03-13 Jeff Law <law@redhat.com>
12463 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12464 virtual operands are interesting.
12465 (vrp_visit_stmt): Corresponding changes.
12467 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12469 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12471 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12472 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12473 * config/bfin/crti.S: Use it instead of __PIC__.
12474 * config/bfin/crtn.S: Likewise.
12476 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12477 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12479 Lose 'G' modifier for call operand.
12480 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12481 recognize 'G' modifier.
12483 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12485 PR middle-end/18859
12486 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12487 * stmt.c (expand_case): Likewise.
12489 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12491 PR rtl-optimization/26254
12492 * loop-invariant.c (seq_insns_valid_p): New function.
12493 (move_invariant_reg): Only emit new code if it is valid.
12495 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12497 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12499 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12500 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12501 (commit_one_edge_insertion): Do not look for loop notes.
12503 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12505 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12506 flag_test_coverage out of loop.
12508 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12510 * final.c (shorten_branches): Remove outdated comment, and turn
12511 the if branch that guards it to continue.
12513 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12515 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12516 * cfgloop.h (struct loop): Remove unused fields.
12518 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12520 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12521 (-dL, -fdump-rtl-loop2): Update the dump file names
12523 * doc/invoke.texi: Update dump file names.
12525 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12527 * predict.c (estimate_probability): Remove.
12528 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12529 * basic-block.h (estimate_probability): Remove prototype.
12530 * passes.c (finish_optimization_passes): Dump branch prediction or
12531 profiling heuristics to the .profile tree dump.
12532 (init_optimization_passes): Unqueue pass_branch_prob.
12534 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12536 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12538 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12539 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12541 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12543 * function.h (frame_offset_overflow): Declare.
12544 * function.c (frame_offset_overflow): New function.
12545 (assign_stack_local_1): Call it to detect that the offset overflows.
12546 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12548 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12550 * config/sh/sh.c: Include alloc-pool.h.
12551 (label_ref_list_pool): New alloc pool.
12552 (label_ref_list_t): New type for lists of labels.
12553 (struct pool_node): Make wend a label_ref_list_t.
12554 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12556 (dump_table): Likewise.
12557 (sh_reorg): Set up the alloc pool before using add_constant and
12558 dump_table, and destroy it when finishing.
12560 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12562 * config/mips/mips.c: Remove redundant comment.
12564 2006-03-10 Jason Merrill <jason@redhat.com>
12567 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12568 the target was declared 'register'.
12570 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12572 * genpreds.c (write_insn_constraint_len): Change definition of
12573 insn_constraint_len to return size_t to match the declaration.
12575 2006-03-10 DJ Delorie <dj@redhat.com>
12577 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12579 (m32c_expand_insv): Fix test for an AND mask.
12581 2006-03-10 Richard Guenther <rguenther@suse.de>
12583 PR middle-end/26565
12584 * builtins.c (get_pointer_alignment): Handle component
12585 references for field alignment.
12587 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12589 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12590 when building with libgloss.
12591 (sh*elf): Implement --without-fp option.
12592 (sh64-superh-linux*): Don't multilib.
12594 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12596 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12598 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12600 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12601 Set it when one of the replacement functions returned true.
12602 Return TODO_cleanup_cfg if cfgchanged is true.
12603 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12605 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12607 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12608 instead of gen_lowpart.
12610 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12612 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12614 (mips_output_order_conditional_branch): Declare.
12615 * config/mips/mips.h (MIPS_BRANCH): New macro.
12616 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12617 for the comparison. Use gen_condjump.
12618 (mips_output_conditional_branch): Rework interface to take the
12619 asm templates for a direct branch and the inverse of a direct branch.
12620 (mips_output_order_conditional_branch): New function.
12621 (mips_builtin_branch_and_move): New function.
12622 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12623 branch condition. Use gen_single_cc as the condition for
12624 __builtin_mips_upper_* or __builtin_mips_lower_*.
12625 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12626 Use VOIDmode for the branch condition.
12627 * config/mips/predicates.md (order_operator): New predicate.
12628 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12629 (branch_fp): Rename to...
12630 (*branch_fp): ...this. Remove mode from comparison operator.
12631 Use new mips_output_conditional_branch interface.
12632 (branch_fp_inverted): Rename to...
12633 (*branch_fp_inverted): ...this and update as for *branch_fp.
12634 (*branch_zero<mode>): Rename to...
12635 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12636 Use mips_output_order_conditional_branch. Only accept ordered
12638 (*branch_zero<mode>_inverted): Rename to...
12639 (*branch_order<mode>_inverted): ...this and update as for
12640 *branch_order<mode>.
12641 (*branch_equality<mode>): Accept zero as the second operand to
12642 the equality operator. Use the new mips_output_conditional_branch
12644 (*branch_equality<mode>_inverted): Likewise.
12645 (condjump): New expander.
12646 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12648 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12649 (bc1any2t, bc1any2f): Likewise.
12650 (single_cc): New expander.
12651 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12653 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12655 * doc/md.texi: Update documentation of MIPS constraints.
12656 * config/mips/constraints.md: New file.
12657 * config/mips/mips.md: Include it.
12658 * config/mips/mips.c (mips_char_to_class): Delete.
12659 (override_options): Don't initialize mips_char_to_class.
12660 * config/mips/mips.h (mips_char_to_class): Delete.
12661 (REG_CLASS_FROM_LETTER): Delete.
12662 (CONST_OK_FOR_LETTER_P): Delete.
12663 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12664 (EXTRA_CONSTRAINT_Y): Delete.
12665 (EXTRA_CONSTRAINT_STR): Delete.
12666 (CONSTRAINT_LEN): Delete.
12667 (EXTRA_MEMORY_CONSTRAINT): Delete.
12669 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12671 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12672 original fn's eh regions.
12674 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12676 * fold-const.c (build_range_check): Make sure to use a valid type to
12677 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12680 (range_predecessor): New static function.
12681 (range_successor): Likewise.
12682 (merge_ranges): Use them to compute predecessors and successors of
12685 2006-03-09 Roger Sayle <roger@eyesopen.com>
12687 PR middle-end/26561
12688 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12689 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12691 2006-03-08 DJ Delorie <dj@redhat.com>
12693 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12694 (addpsi3): Expand to include memory operands. Remove
12695 reload-specific splits.
12696 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12697 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12698 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12699 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12700 (shift1_qi, shift1_hi, insv): New.
12701 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12702 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12703 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12705 * config/m32c/m32c-protos.h: Update as needed.
12706 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12707 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12708 Fail for unrecognized R* constraints.
12709 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12710 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12711 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12713 (m32c_init_libfuncs): New.
12714 (m32c_legitimate_address_p): Add debug wrapper.
12715 (m32c_rtx_costs): New.
12716 (m32c_address_cost): New.
12717 (conversions): Add 'B' prefix.
12718 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12719 operands, or word regnames for QI operands. 'B' prints bit
12721 (m32c_expand_setmemhi): New.
12722 (m32c_expand_movmemhi): New.
12723 (m32c_expand_movstr): New.
12724 (m32c_expand_cmpstr): New.
12725 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12726 (m32c_expand_neg_mulpsi3): Handle non-ints.
12727 (m32c_cmp_flg_0): New.
12728 (m32c_expand_movcc): New.
12729 (m32c_expand_insv): New.
12730 (m32c_scc_pattern): New.
12731 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12732 a0/a1 out of SIregs.
12733 (STORE_FLAG_VALUE): New.
12734 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12737 * config/m32c/mov.md: Make constraints more liberal.
12738 (zero_extendqihi2): Optimize r0/r1 case.
12739 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12740 * config/m32c/predicates.md (m32c_any_operand): New.
12741 (m32c_nonimmediate_operand): New.
12742 (m32c_hl_operand): New.
12743 (m32c_r3_operand): New.
12746 (memsym_operand): New.
12747 (memimmed_operand): New.
12748 (a_qi_operand): New.
12749 (m32c_eqne_operator): New.
12750 (m32c_1bit8_operand): New.
12751 (m32c_1bit16_operand): New.
12752 (m32c_1mask8_operand): New.
12753 (m32c_1mask16_operand): New.
12754 * config/m32c/blkmov.md: New file.
12755 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12757 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12759 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12760 unsigned to fix signed/unsigned comparison issue in
12761 DWARF2_FRAME_REG_OUT.
12762 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12763 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12765 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12766 of ptr into the ENABLE_CHECKING section.
12768 2006-03-08 Jeff Law <law@redhat.com>
12770 * tree-vrp.c (infer_value_range): Only count pointer uses
12771 and dereferences if -fdelete-null-pointer-checks is enabled.
12773 * tree-vrp.c (find_assert_locations): Infer value ranges for
12774 single use pointers, but do not create ASSERT_EXPRs for them.
12775 When a non-null range is inferred for a pointer, backwards
12776 propagate that range to other equivalent pointers through the
12779 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12782 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12783 language hook targets.
12784 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12785 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12786 if language hook targets were missing.
12788 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12790 * tree-ssa-opfinalize.h: Removed.
12791 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12793 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12794 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12795 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12796 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12797 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12798 finalize_ssa_v_must_def_ops): New.
12800 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12802 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12803 block as parameter.
12805 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12807 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12809 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12810 addresses with offsets; reorganize.
12812 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12813 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12814 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12816 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12819 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12821 2006-03-08 Ben Elliston <bje@au.ibm.com>
12823 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12825 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12828 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12831 2006-03-07 Richard Guenther <rguenther@suse.de>
12833 PR tree-optimization/26587
12834 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12836 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12838 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12840 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12842 * hooks.c (hook_bool_mode_rtx_true): New function.
12843 * hooks.h (hook_bool_mode_rtx_true): Declare.
12844 * toplev.c (compile_file): Call output_shared_constant_pool.
12845 * varasm.c (shared_constant_pool): New variable.
12846 (assemble_start_function, assemble_end_function): Remove arguments
12847 from call to output_constant_pool.
12848 (create_constant_pool): New function, split out from...
12849 (init_varasm_status): ...here.
12850 (force_const_mem): Choose between the shared and per-function constant
12851 pools. Set current_function_uses_const_pool when reusing old entries
12852 as well as when creating new ones.
12853 (mark_constant): Ignore data argument.
12854 (mark_constants): Remove pool argument.
12855 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12856 to decide whether the function uses a constant pool.
12857 (output_constant_pool_contents): New function, split out from...
12858 (output_constant_pool): ...here.
12859 (output_shared_constant_pool): New function.
12860 (init_varasm_once): Initialize shared_constant_pool.
12861 * output.h (output_constant_pool): Delete.
12862 (output_shared_constant_pool): Declare.
12863 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12864 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12866 2006-03-06 Nick Clifton <nickc@redhat.com>
12868 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12869 flag_strength_reduce.
12871 2006-03-06 Ben Elliston <bje@au.ibm.com>
12873 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12874 x86_64-*-linux* configurations.
12876 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12877 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12879 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12881 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12883 * basic-block.h: Remove the extern for
12884 rediscover_loops_after_threading.
12886 * cfgloop.c (cancel_loop): Make it static.
12887 * cfgloop.h: Remove the prototype for cancel_loop.
12889 * flow.c (recompute_reg_usage): Make it static.
12890 * rtl.h: Remove the prototype for recompute_reg_usage.
12892 * function.c (use_return_register): Make it static.
12893 * function.h: Remove the prototype.
12895 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12897 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12899 * recog.h: Remove the prototype for
12900 validate_change_maybe_volatile.
12902 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12904 * rtlanal.c (replace_reg): Remove.
12905 * rtl.h: Remove the prototype for replace_reg.
12907 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12909 * regclass.c (reg_scan_update): Remove.
12910 (reg_scan_mark_refs): Remove the last argument.
12911 * rtl.h: Remove the prototype for reg_scan_update.
12913 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12915 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12916 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12917 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12918 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12919 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12920 loop-invariant.c, omp-low.c, opts.c, passes.c,
12921 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12922 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12923 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12924 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12925 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12926 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12928 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12930 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12931 * dwarf2out.h: Remove the prototype for
12932 dwarf2out_add_library_unit_info.
12934 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12936 * tree.c (add_var_to_bind_expr): Remove.
12937 * tree.h: Remove the prototype for add_var_to_bind_expr.
12939 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12941 * regclass.c (n_non_fixed_regs): Remove.
12942 (init_reg_sets_1, globalize_reg): Remove all uses of
12944 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12946 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12948 * rtlanal.c (insns_safe_to_move_p): Remove.
12949 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12951 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12953 * expmed.c (expand_mult_add): Remove.
12954 * expr.h: Remove the prototype for expand_mult_add.
12956 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12958 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12959 and REG_SAVED_VAL_EXP constants.
12960 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12961 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12962 Handle regs stored by value.
12963 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12964 (execute_cfa_program): Handle DW_CFA_val_offset,
12965 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12966 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12967 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12968 (uw_install_context_1): Handle target regs stored by value.
12970 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12972 * tree-sra.c (tree_sra): Return todoflags;
12973 (generate_one_element): Set TODO_update_smt_usage if needed.
12974 (pass_sra): Remove TODO_update_smt_usage.
12975 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12977 (tree_ssa_forward_propagate_single_use_vars): Return
12978 TODO_update_smt_usage if we need to update SMT usage.
12979 (pass_forwprop): Remove TODO_update_smt_usage.
12981 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12983 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12984 (correct_use_link): Remove reference to get_stmt_operands.
12985 (update_stmt_operands): Likewise.
12986 (get_modify_expr_operands): New function factored out of
12987 parse_ssa_operands and get_expr_operands.
12988 Try to create V_MUST_DEFs for LHS by default.
12989 (get_expr_operands) <case MODIFY_EXPR>: Call
12990 get_modify_expr_operands.
12991 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12992 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12993 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12994 get_modify_expr_operands.
12996 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12998 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12999 * tree-flow.h: Remove the prototype for
13000 referenced_var_lookup_if_exists.
13002 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13004 PR rtl-optimization/26345
13006 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13008 2006-03-03 Roger Sayle <roger@eyesopen.com>
13010 PR tree-optimization/26524
13011 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13012 fold_convert to create a constant of the appropriate type.
13014 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13016 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13017 SYMBOL_REF_IN_BLOCK_P.
13018 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13019 of SYMBOL_FLAG_IN_BLOCK.
13020 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13021 instead of SYMBOL_REF_IN_BLOCK_P.
13022 * explow.c (use_anchored_address): Likewise.
13023 * rtl.c (rtx_size): Likewise.
13024 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13025 instead of SYMBOL_FLAG_IN_BLOCK.
13026 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13027 SYMBOL_REF_IN_BLOCK_P.
13028 (assemble_variable): Likewise.
13029 (output_constant_def_contents): Likewise.
13030 (output_constant_pool): Likewise.
13031 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13032 instead of SYMBOL_FLAG_IN_BLOCK.
13033 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13034 SYMBOL_REF_IN_BLOCK_P.
13035 (SYMBOL_REF_BLOCK): Likewise.
13036 (SYMBOL_REF_OFFSET): Likewise.
13037 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13038 SYMBOL_REF_IN_BLOCK_P.
13039 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13040 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13041 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13042 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13044 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13046 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13048 2006-03-02 Roger Sayle <roger@eyesopen.com>
13050 * simplify-rtx.c (simplify_unary_operation): When simplifying
13051 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13052 that we perform the right shift in the appropriate mode, and
13053 then extend or truncate the result to requested mode.
13055 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13057 * gengtype.c (main): Handle double_int type.
13058 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13059 * double-int.c: New file.
13060 * double-int.h: New file.
13061 * system.h: Include doubleint.h.
13062 * Makefile.in (SYSTEM_H): Include double-int.h.
13063 (double-int.o): Add.
13065 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13068 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13071 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13073 * tree-vrp.c (remove_range_assertions): Do not update statements
13076 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13078 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13080 * gcse.c (rest_of_handle_gcse): Ditto.
13081 * except.c (gate_handle_eh): Ditto.
13082 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13083 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13085 2006-03-02 Eric Christopher <echristo@apple.com>
13087 * config/i386/i386.c (machopic_output_stub): Add indirection to
13090 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13094 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13096 Sun Niagara specific optimizations.
13097 * config.gcc: Recognize niagara as target.
13098 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13099 (TARGET_CPU_niagara): Define.
13100 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13101 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13102 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13103 (ASM_CPU_SPEC): Likewise.
13104 (PROCESSOR_NIAGARA): New enum entry.
13105 (REGISTER_MOVE_COST): Handle Niagara.
13106 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13107 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13108 (sparc_override_options): Recognize "niagara", set appropriate
13109 default MASK_* values for it, and align functions to 32-bytes
13110 by default just like ULTRASPARC/ULTRASPARC3.
13111 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13112 (sparc64_initialize_trampoline): Likewise.
13113 (sparc_use_sched_lookahead): Use zero for niagara.
13114 (sparc_issue_rate): Use one for niagara.
13115 * config/sparc/niagara.md: New file.
13116 * config/sparc/sparc.md: Include it.
13117 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13118 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13119 when default cpu is niagara.
13120 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13121 (ASM_CPU_SPEC): Likewise.
13122 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13123 when default cpu is niagara.
13124 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13125 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13126 just like v9/ultrasparc/ultrasparc3.
13127 * doc/invoke.texi: Add documentation for "niagara" and improve
13128 existing documentation for ultrasparc variants.
13130 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13132 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13134 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13136 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13137 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13138 and say that only one is needed.
13139 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13140 * target.h (have_switchable_bss_sections): New hook.
13141 * explow.c (use_anchored_address): Check that the symbol is in a block.
13142 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13143 (bss_noswitch_section): New variables.
13144 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13145 (get_noswitch_section): New function.
13146 (get_block_for_section): Allow SECT to be null.
13147 (unlikely_text_section_p): Use SECTION_STYLE.
13148 (bss_initializer_p): New function.
13149 (get_variable_section): Move earlier in file. Take a new argument,
13150 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13151 Return one of the new *_sections in such cases.
13152 (get_block_for_decl): New function, extracting some logic from
13153 use_blocks_for_decl_p.
13154 (change_symbol_section): Remove in favor of...
13155 (change_symbol_block): ...this new function.
13156 (use_blocks_for_decl_p): Remove checks now performed by
13157 get_block_for_decl.
13158 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13159 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13160 (emit_local, emit_bss, emit_common): ...these new functions.
13161 Return true if the alignment was honored.
13162 (emit_tls_common): New function.
13163 (asm_emit_uninitialised): Delete.
13164 (assemble_variable_noswitch): New function, split out from...
13165 (assemble_variable): ...here. Don't make decisions about common
13166 variables here. Globalize all public decls that go into non-common
13167 sections. Check whether SYMBOL_REF_BLOCK is null.
13168 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13169 (output_constant_pool): Likewise.
13170 (init_varasm_once): Initialize the new section variables.
13171 (have_global_bss_p): New function.
13172 (categorize_decl_for_section): Use bss_initializer_p.
13173 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13174 (place_block_symbol): Assert that the symbol must be in a block.
13175 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13176 (TARGET_INITIALIZER): Include it.
13177 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13178 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13179 (SECTION_MACH_DEP): Bump by two.
13180 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13181 (unnamed_section): Mention SECTION_UNNAMED in comment.
13182 (named_section): Likewise SECTION_NAMED.
13183 (noswitch_section_callback): New type.
13184 (noswitch_section): New structure.
13185 (section): Add a noswitch_section alternative.
13186 (SECTION_STYLE): New macro.
13187 (tls_comm_section, comm_section, lcomm_section): Declare.
13188 (bss_noswitch_section, have_global_bss_p): Declare.
13189 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13190 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13192 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13193 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13196 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13198 * tree-vrp.c (execute_vrp): Return value.
13199 * regrename.c (rest_of_handle_regrename): Ditto.
13200 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13201 * tree-complex.c (tree_lower_complex): Ditto.
13202 (tree_lower_complex_O0): Ditto.
13203 * tracer.c (rest_of_handle_tracer): Ditto.
13204 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13205 * postreload.c (rest_of_handle_postreload): Ditto.
13206 * tree-tailcall.c (execute_tail_recursion): Ditto.
13207 (execute_tail_calls): Ditto.
13208 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13209 * tree.h (init_function_for_compilation): Ditto.
13210 * ipa-cp.c (ipcp_driver): Ditto.
13211 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13212 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13213 * final.c (compute_alignments): Ditto.
13214 (rest_of_handle_final): Ditto.
13215 (rest_of_handle_shorten_branches): Ditto.
13216 (rest_of_clean_state): Ditto.
13217 * omp-low.c (execute_expand_omp): Ditto.
13218 (execute_lower_omp): Ditto.
13219 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13220 * ipa-reference.c (static_execute): Ditto.
13221 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13222 * reorg.c (rest_of_handle_delay_slots): Ditto.
13223 (rest_of_handle_machine_reorg): Ditto.
13224 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13225 * flow.c (recompute_reg_usage): Ditto.
13226 (rest_of_handle_remove_death_notes): Ditto.
13227 (rest_of_handle_life): Ditto.
13228 (rest_of_handle_flow2): Ditto.
13229 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13230 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13231 (do_ssa_store_ccp): Ditto.
13232 (execute_fold_all_builtins): Ditto.
13233 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13234 * modulo-sched.c (rest_of_handle_sms): Ditto.
13235 * ipa-pure-const.c (static_execute): Ditto.
13236 * cse.c (rest_of_handle_cse): Ditto.
13237 (rest_of_handle_cse2): Ditto.
13238 * web.c (rest_of_handle_web): Ditto.
13239 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13240 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13241 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13242 * tree-nrv.c (tree_nrv): Ditto.
13243 (execute_return_slot_opt): Ditto.
13244 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13245 (create_structure_vars): Ditto.
13246 * loop-init.c (rtl_loop_init): Ditto.
13247 (rtl_loop_done): Ditto.
13248 (rtl_move_loop_invariants): Ditto.
13249 (rtl_unswitch): Ditto.
13250 (rtl_unroll_and_peel_loops): Ditto.
13251 (rtl_doloop): Ditto.
13252 * gimple-low.c (lower_function_body): Ditto.
13253 (mark_used_blocks): Ditto.
13254 * tree-ssa-sink.c (execute_sink_code): Ditto.
13255 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13256 (cgraph_early_inlining): Ditto.
13257 * global.c (rest_of_handle_global_alloc): Ditto.
13258 * jump.c (cleanup_barriers): Ditto.
13259 (purge_line_number_notes): Ditto.
13260 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13261 (rest_of_handle_if_after_reload): Ditto.
13262 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13263 (tree_ssa_loop_im): Ditto.
13264 (tree_ssa_loop_unswitch): Ditto.
13265 (tree_vectorize): Ditto.
13266 (tree_linear_transform): Ditto.
13267 (tree_ssa_loop_ivcanon): Ditto.
13268 (tree_ssa_empty_loop): Ditto.
13269 (tree_ssa_loop_bounds): Ditto.
13270 (tree_complete_unroll): Ditto.
13271 (tree_ssa_loop_prefetch): Ditto.
13272 (tree_ssa_loop_ivopts): Ditto.
13273 (tree_ssa_loop_done): Ditto.
13274 * predict.c (tree_estimate_probability): Ditto.
13275 * recog.c (split_all_insns_noflow): Ditto.
13276 (rest_of_handle_peephole2): Ditto.
13277 (rest_of_handle_split_all_insns): Ditto.
13278 * tree-eh.c (lower_eh_constructs): Ditto.
13279 * regmove.c (rest_of_handle_regmove): Ditto.
13280 (rest_of_handle_stack_adjustments): Ditto.
13281 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13282 * function.c (instantiate_virtual_regs): Ditto.
13283 (init_function_for_compilation): Ditto.
13284 (rest_of_handle_check_leaf_regs): Ditto.
13285 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13286 (rest_of_handle_gcse): Ditto.
13287 * ipa-type-escape.c (type_escape_execute): Ditto.
13288 * alias.c (rest_of_handle_cfg): Ditto.
13289 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13290 * profile.c (rest_of_handle_branch_prob): Ditto.
13291 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13292 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13293 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13294 * tree-dfa.c (find_referenced_vars): Ditto.
13295 * except.c (set_nothrow_function_flags): Ditto.
13296 (convert_to_eh_region_ranges): Ditto.
13297 (rest_of_handle_eh): Ditto.
13298 * emit-rtl.c (unshare_all_rtl): Ditto.
13299 (remove_unnecessary_notes): Ditto.
13300 * except.h (set_nothrow_function_flags): Ditto.
13301 (convert_to_eh_region_ranges): Ditto.
13302 * cfgexpand.c (tree_expand_cfg): Ditto.
13303 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13304 * tree-ssa-pre.c (do_pre): Ditto.
13305 (execute_fre): Ditto.
13306 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13307 (rest_of_handle_jump2): Ditto.
13308 * tree-sra.c (tree_sra): Ditto.
13309 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13310 (execute_mudflap_function_decls): Ditto.
13311 * tree-ssa-copy.c (do_copy_prop): Ditto.
13312 (do_store_copy_prop): Ditto.
13313 * ipa-prop.h (ipcp_driver): Ditto.
13314 * cfglayout.c (insn_locators_initialize): Ditto.
13315 * tree-ssa-forwprop.c
13316 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13317 * cfglayout.h (insn_locators_initialize): Ditto.
13318 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13319 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13320 (execute_late_warn_uninitialized): Ditto.
13321 * rtl.h (cleanup_barriers): Ditto.
13322 (split_all_insns_noflow): Ditto.
13323 (purge_line_number_notes): Ditto.
13324 (unshare_all_rtl): Ditto.
13325 (remove_unnecessary_notes): Ditto.
13326 (recompute_reg_usage): Ditto.
13327 (variable_tracking_main): Ditto.
13328 * integrate.c (emit_initial_value_sets): Ditto.
13329 * integrate.h (emit_initial_value_sets): Ditto.
13330 * tree-optimize.c (execute_free_datastructures): Ditto
13331 (execute_free_cfg_annotations): Ditto.
13332 (execute_fixup_cfg): Ditto.
13333 (execute_cleanup_cfg_pre_ipa): Ditto.
13334 (execute_cleanup_cfg_post_optimizing): Ditto.
13335 (execute_init_datastructures): Ditto.
13336 * tree-object-size.c (compute_object_sizes): Ditto.
13337 * combine.c (rest_of_handle_combine): Ditto.
13338 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13339 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13340 (rest_of_handle_reorder_blocks): Ditto.
13341 (rest_of_handle_partition_blocks): Ditto.
13342 * var-tracking.c (variable_tracking_main): Ditto.
13343 * tree-profile.c (tree_profiling): Ditto.
13344 * tree-vect-generic.c (expand_vector_operations): Ditto.
13345 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13346 * sched-rgn.c (rest_of_handle_sched): Ditto.
13347 (rest_of_handle_sched2): Ditto.
13348 * basic-block.h (free_bb_insn): Ditto.
13349 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13350 * tree-cfg.c (execute_build_cfg): Ditto.
13351 (remove_useless_stmts): Ditto.
13352 (split_critical_edges): Ditto.
13353 (execute_warn_function_return): Ditto.
13354 (execute_warn_function_noreturn): Ditto.
13355 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13356 * cfgrtl.c (free_bb_for_insn): Ditto.
13357 * passes.c (execute_one_pass): Run additional
13358 todos returned by execute function.
13359 * tree-pass.h (struct tree_opt_pass): Make execute
13362 2006-03-02 Richard Guenther <rguenther@suse.de>
13364 * tree-ssa-alias.c (find_used_portions): Consider taking
13365 the address as making the variable not write-only.
13367 2006-03-02 Nick Clifton <nickc@redhat.com>
13369 * config.gcc (default_use_cxa_atexit): Extend the description of
13370 this configure variable. Set its default value to "yes" for
13371 Linux, NetBSD and ELF targets on the assumption that they will
13372 use C libraries with the __cxa_atexit function.
13374 2006-03-02 Ben Elliston <bje@au.ibm.com>
13376 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13377 parameter as unused to suppress a build warning.
13379 2006-03-02 Ben Elliston <bje@au.ibm.com>
13381 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13384 2006-03-01 Roger Sayle <roger@eyesopen.com>
13387 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13388 declared name, the weak reference name, and the typeof name.
13389 (__gthrw): Avoid expanding the declared name suffix.
13390 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13392 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13394 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13396 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13397 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13398 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13399 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13400 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13401 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13402 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13403 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13404 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13405 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13406 (DW_END_default, DW_END_big, DW_END_little): New.
13407 (DW_END_lo_user, DW_END_hi_user): Define.
13408 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13409 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13410 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13413 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13415 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13417 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13419 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13421 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13423 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13424 to 'symbol_mem_tag'.
13426 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13429 2006-03-01 Roger Sayle <roger@eyesopen.com>
13431 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13433 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13436 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13437 MACHO_DYNAMIC_NO_PIC_P.
13438 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13440 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13443 * config/darwin-protos.h (darwin_asm_output_anchor):
13445 * config/darwin-sections.def (cstring_section):
13446 Add SECTION_MERGE to the flags.
13447 (literal4_section): Likewise.
13448 (literal8_section): Likewise.
13449 (objc_selector_refs_section): Likewise.
13450 (objc_cls_refs_section): Likewise.
13451 * config/darwin.c (darwin_asm_output_anchor): New
13453 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13455 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13457 Fix PR tree-optimization/26443
13458 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13459 to todo and PROP_tmt_usage to properties_destroyed.
13460 * tree-ssa-ccp.c (pass_ccp): Ditto.
13461 (pass_store_ccp): Ditto.
13462 * tree-ssa-dom.c (pass_dominator): Ditto.
13464 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13466 * tree-ssa-operands.c: Cleanup whitespace.
13467 (get_asm_expr_operands): Move before first invocation.
13468 (get_indirect_ref_operands): Likewise.
13469 (get_tmr_operands): Likewise.
13470 (get_call_expr_operands): Likewise.
13471 (append_def): Likewise.
13472 (append_use): Likewise.
13473 (append_v_may_def): Likewise.
13474 (append_v_must_def): Likewise.
13475 (add_call_clobber_ops): Likewise.
13476 (add_call_read_ops): Likewise.
13477 (add_stmt_operand): Likewise.
13478 (add_virtual_operand): Likewise.
13479 (build_ssa_operands): Likewise.
13481 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13483 PR middle-end/26022
13485 PR middle-end/24437
13486 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13487 with a call expr to ...
13488 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13490 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13492 * tree-vrp.c (extract_range_from_assert): Remove special
13493 handling for types with super-types.
13495 2006-03-01 Ben Elliston <bje@au.ibm.com>
13497 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13498 and powerpc64-*-linux* configurations.
13499 * config/t-dfprules: New file.
13501 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13502 Compile dfp-bit.c from the source directory using -DWIDTH and
13503 $DFP_CFLAGS to control the compilation of that file, rather than
13504 generating width-specific versions in the build directory.
13505 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13506 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13508 2006-02-28 Zack Weinberg <zackw@panix.com>
13510 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13513 2006-02-28 Eric Christopher <echristo@apple.com>
13515 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13516 Set up IN_LIBGCC definition of TARGET_64BIT.
13517 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13519 2006-02-28 Roger Sayle <roger@eyesopen.com>
13521 PR middle-end/14752
13522 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13523 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13524 cases via the construction of "expr != 0".
13526 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13528 * alias.c (alias_invariant, alias_invariant_size): Remove.
13529 (record_base_value): Remove.
13530 (memrefs_conflict_p): Don't look at alias_invariant.
13531 (end_alias_analysis): Don't free it.
13532 * alias.h (record_base_value): Remove prototype.
13534 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13535 Adam Nemet <anemet@caviumnetworks.com>
13537 * rtl.h (truncated_to_mode): Declare it.
13538 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13539 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13540 (RTL_HOOKS_INITIALIZER): Include it.
13541 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13542 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13543 reg_truncated_to_mode.
13544 * rtlanal.c (truncated_to_mode): Define it.
13545 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13547 2006-02-28 Jeff Law <law@redhat.com>
13549 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13550 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13551 the range allowed by TYPE_PRECISION.
13553 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13555 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13557 PR tree-optimization/26419
13558 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13561 2006-02-27 Zack Weinberg <zackw@panix.com>
13563 * doc/md.texi: Fix typo in previous change.
13565 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13569 2006-02-27 Zack Weinberg <zackw@panix.com>
13571 * rtl.def (define_constraint, define_register_constraint)
13572 (define_memory_constraint, define_address_constraint): New MD forms.
13573 * gensupport.c (process_rtx): Put define_constraint etc on the
13575 * genpreds.c (process_define_predicate): Adjust comment. Validate
13576 the name, and call validate_exp to validate the expression.
13577 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13578 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13579 all callers changed.
13580 (validate_exp, needs_variable, struct constraint_data)
13581 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13582 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13583 (const_dbl_constraints, constraint_max_namelen)
13584 (have_register_constraints, have_memory_constraints)
13585 (have_address_constraints, have_address_constraints)
13586 (have_extra_constraints, have_const_int_constraints)
13587 (have_const_dbl_constraints, mangle, add_constraint)
13588 (process_define_constraint, process_define_register_constraint)
13589 (write_enum_constraint_num, write_lookup_constraint)
13590 (write_insn_constraint_len, write_regclass_for_constraint)
13591 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13592 (write_insn_extra_memory_constraint)
13593 (write_insn_extra_address_constraint)
13594 (write_satisfies_constraint_fns): New.
13595 (write_tm_preds_h): If we have new-style constraint definitions,
13596 prototype the functions generated from them, and define the
13597 old constraint interface (still used by generic code) in terms of
13599 (write_insn_preds_c): If we have new-style constraint definitions,
13600 generate all relevant functions from those definitions.
13601 (main): Handle define_constraint etc.
13602 * genoutput.c (struct constraint_data, indep_constraints)
13603 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13604 (mdep_constraint_len): New data structures and functions, defined
13605 #ifdef USE_MD_CONSTRAINTS.
13606 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13607 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13608 use new logic to validate operand constraints against constraint
13610 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13612 * defaults.h: If none of the old-style constraint macros are
13613 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13614 old-style macros; and poison REG_CLASS_FROM_LETTER,
13615 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13617 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13618 * doc/md.texi: Document new constraint-definition mechanism and the
13619 C interface it provides. Remove references to old mechanism
13620 elsewhere in the document.
13621 (Machine Constraints): Use pathnames relative to gcc directory,
13622 i.e. config/ARCH/FILE. Change i386 section to refer to
13623 config/i386/predicates.md; update that section to match docstrings.
13624 * doc/tm.texi: Move all documentation of the old constraint-
13625 definition macros to their own section, clearly mark as obsolete.
13627 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13628 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13630 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13631 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13632 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13633 constraint strings.
13634 (splits and peepholes): Use satisfies_constraint_*.
13635 * config/i386/i386.c (memory_address_length)
13636 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13638 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13640 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13641 scalar operation to be put back into the loop.
13643 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13646 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13647 (extract_cie_info): Handle S flag in augmentation string.
13648 (execute_cfa_program): If context->signal_frame, execute also
13649 fs->pc == context->ra instructions.
13650 (uw_frame_state_for): If context->signal_frame, don't subtract one
13651 from context->ra to find FDE.
13652 (uw_update_context_1): Set context->signal_frame to
13654 (_Unwind_GetIPInfo): New function.
13655 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13656 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13658 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13659 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13660 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13661 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13662 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13663 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13664 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13665 x86_64_fallback_frame_state): Set fs->signal_frame.
13666 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13667 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13668 (frob_update_context): Likewise. Workaround missing S flag in
13669 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13670 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13671 Remove the psw_addr + 1 hack.
13673 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13675 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13676 with aggregates here.
13677 (find_func_aliases): Remove code for &<aggregate> from here.
13679 2006-02-26 Roger Sayle <roger@eyesopen.com>
13681 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13682 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13683 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13684 as (X & C) ne/eq 0.
13686 2006-02-26 Roger Sayle <roger@eyesopen.com>
13688 PR middle-end/19983
13689 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13691 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13693 * opts.c (decode_options): Do not handle flag_strength_reduce.
13694 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13695 and OPT_fstrength_reduce.
13696 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13697 flag_prefetch_loop_arrays for being nonzero.
13698 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13700 (fprefetch-loop-arrays-rtl): Removed.
13701 (flag_prefetch_loop_arrays): Do not specify the value.
13703 * doc/passes.texi: Update documentation of loop optimizer
13705 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13706 -frerun-loop-opt): Remove.
13708 2006-02-26 Richard Guenther <rguenther@suse.de>
13710 PR tree-optimization/26421
13711 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13712 in function calls that are ADDR_EXPRs as using the whole structure.
13714 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13716 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13717 * tree-pass.h (pass_loop_optimize): Remove.
13718 * passes.c (pass_loop_optimize): Never run it.
13719 * toplev.c (backend_init): Don't call init_loop.
13720 * opts.c (flag_loop_optimize_set): Remove.
13721 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13722 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13723 the old RTL loop optimizer when profiling enabled.
13724 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13725 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13726 pre-headers for the sake of the old RTL loop optimizer.
13727 * Makefile.in: Remove all references to loop.o.
13729 * doc/invoke.texi: Remove all references to -floop-optimize
13730 and -frerun-loop-opt.
13732 2006-02-26 Zack Weinberg <zackw@panix.com>
13734 * doc/md.texi (Machine Constraints): Refer to all files with paths
13735 relative to gcc directory (i.e. config/CPU/file). Add missing
13736 @table @code ... @end table to M32C subsection.
13738 2006-02-26 Roger Sayle <roger@eyesopen.com>
13740 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13742 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13744 2006-02-26 Roger Sayle <roger@eyesopen.com>
13745 James A. Morrison <phython@gcc.gnu.org>
13747 PR middle-end/21137
13748 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13749 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13750 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13751 signedness of the shift operation.
13753 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13755 PR tree-optimization/26359
13756 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13758 2006-02-25 Roger Sayle <roger@eyesopen.com>
13760 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13761 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13762 as X == 0, and some symmetry related transformations.
13763 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13765 2006-02-25 Roger Sayle <roger@eyesopen.com>
13767 PR middle-end/23673
13768 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13769 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13770 symmetry related transformations. Fold (X^C1) == C2 as
13773 2006-02-25 Juergen Weigert <jw@suse.de>
13774 Richard Guenther <rguenther@suse.de>
13776 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13778 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13780 * combine.c (gen_lowpart_or_truncate): Call
13781 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13783 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13785 * doc/invoke.texi: Move -fopenmp description to "Options for
13787 Remove reference to -lgomp.
13789 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13791 * doc/install.texi: Require GNU tar version 1.14.
13793 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13795 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13796 * doc/invoke.texi (C++ Dialect Options): Document
13797 -fno-use-cxa-get-exception-ptr.
13798 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13799 * configure: Regenerate.
13800 * c.opt (fuse-cxa-get-exception-ptr): New.
13801 * c-opts.c (c_common_handle_option): Handle
13802 OPT_fuse_cxa_get_exception_ptr.
13803 * c-common.c (flag_use_cxa_atexit): Update documentation.
13804 (flag_use_cxa_get_exception_ptr): New.
13805 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13806 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13808 (C_COMMON_OVERRIDE_OPTIONS): New.
13810 2006-02-24 Roger Sayle <roger@eyesopen.com>
13812 PR middle-end/24952
13813 * combine.c (try_combine): Explicitly check whether GET_CODE is
13814 a SET or a CLOBBER, instead on checking that it isn't a USE.
13816 2006-02-24 Roger Sayle <roger@eyesopen.com>
13818 * fold-const.c (fold_comparison): New subroutine of fold_binary
13819 containing transformations common to both the equality and
13820 ordering relational operators, factored out of fold_binary.
13821 (fold_binary): Separate out the equality operators (EQ_EXPR
13822 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13823 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13824 transformations common to both.
13825 (fold_div_compare): Fix latent bugs in the previously unreachable
13826 LT_EXPR and GE_EXPR cases.
13828 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13830 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13831 decl libname for clog to __clog on AIX.
13833 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13835 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13838 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13839 output traceback table for thunks. Localise rs6000_stack_info call.
13841 2006-02-23 Roger Sayle <roger@eyesopen.com>
13842 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13844 * gthr-posix.h (__gthrw): Fix typo in comment.
13846 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13848 * doc/cpp.texi (Character sets): Document that we do support
13849 input files to be in any character set.
13851 2006-02-23 Jeff Law <law@redhat.com>
13853 * tree.h (PHI_ARG_NONZERO): Remove.
13854 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13855 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13856 node to the new node.
13858 PR tree-optimization/26425
13859 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13860 min/max, then assume its varying.
13862 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13864 PR rtl-optimization/26316
13865 * rtlanal.c (enum may_trap_p_flags): New.
13866 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13867 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13868 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13869 (may_trap_after_code_motion_p): New function.
13870 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13871 (find_invariant_insn): Use may_trap_after_code_motion_p.
13872 * rtl.h (may_trap_after_code_motion_p): Declare.
13874 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13876 * emit-rtl.c (immed_double_const): Cleanup.
13878 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13880 Fix PR tree-optimization/26376
13881 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13884 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13886 PR middle-end/26412
13887 * gimplify.c (omp_add_variable): Guard variable size decl test with
13888 DECL_SIZE (decl) check.
13890 2006-02-23 Richard Guenther <rguenther@suse.de>
13892 PR middle-end/26439
13893 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13894 like aggregate types.
13896 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13898 * configure.ac: Add --with{,out}-long-double-128 configure option.
13899 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13900 * configure: Rebuilt.
13901 * config.in: Rebuilt.
13902 * doc/install.texi (Options specification): Document
13903 --with-long-double-128.
13905 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13906 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13907 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13908 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13910 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13912 * config/s390/s390.c (override_options): Handle
13913 TARGET_DEFAULT_LONG_DOUBLE_128.
13915 * config/alpha/alpha.c (override_options): Handle
13916 TARGET_DEFAULT_LONG_DOUBLE_128.
13918 * config/sparc/sparc.c (sparc_override_options): Handle
13919 TARGET_DEFAULT_LONG_DOUBLE_128.
13921 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13923 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13924 (real-install-headers-tar, real-install-headers-cpio)
13925 (real-install-headers-cp): New targets.
13927 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13929 * tree.h (variable_section): Delete.
13930 * varasm.c (variable_section): Delete.
13932 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13934 * install.texi: Add notes on install.texi2html.
13935 (Building in parallel): Do not use footnotes.
13937 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13940 * doc/install.texi (Configuration): Document --disable-libgomp.
13942 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13944 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13946 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13948 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13949 (vec_extractv2df_0_sse): New.
13951 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13953 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13954 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13955 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13956 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13957 to the result of the expression.
13958 (def_cfa_1): Adjust.
13959 (frame_pointer_cfa_offset): Rename to...
13960 (frame_pointer_fb_offset): ... this. Adjust all uses.
13961 (convert_cfa_to_loc_list): Rename to...
13962 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13963 Pass it on to build_cfa_loc.
13964 (compute_frame_pointer_to_cfa_displacement): Rename to...
13965 (compute_frame_pointer_to_fb_displacement): ... this. New
13966 offset parameter. Use it in computation.
13967 (gen_subprogram_die): Compute cfa_fb_offset with the new
13968 macro, and use it to compute the fb loc list and the
13971 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13973 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13974 replaced with register_operand.
13975 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13976 non-DREG is expensive.
13977 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13978 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13981 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13983 * doc/install.texi2html: Use set -e.
13985 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13987 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13988 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13989 * doc/invoke.texi (-fshared-data): Delete.
13990 * common.opt (fshared-data): Delete.
13991 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13992 (assemble_static_space): Remove #if 0 code.
13993 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13994 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13995 * config/cris/cris.h: Remove FIXME.
13997 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13999 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14002 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14004 PR middle-end/26379
14005 * combine.c (simplify_shift_const_1): Disable nested shifts
14006 optimization for vector shifts.
14008 2006-02-20 Roger Sayle <roger@eyesopen.com>
14010 PR tree-optimization/26361
14011 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14012 of unsigned integer types.
14014 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14016 * tree-chrec.c (eq_evolutions_p): New.
14017 * tree-chrec.h (eq_evolutions_p): Declared.
14018 * tree-data-ref.c: Fix formatting.
14019 (datadep_stats, dependence_stats): New.
14021 (print_direction_vector): New.
14022 (dump_data_dependence_relation): Use print_direction_vector.
14023 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14024 (compute_subscript_distance): Static.
14025 (initialize_data_dependence_relation): Static. Get the number
14026 of loops surrounding the references from the callers, and initialize
14027 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14028 base_object_differ_p analyzers.
14029 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14030 compute_overlap_steps_for_affine_1_2,
14031 analyze_subscript_affine_affine): Count the classified dependences.
14032 Print a message when a test failed.
14033 (can_use_analyze_subscript_affine_affine): New.
14034 (analyze_siv_subscript): Compute the data dependences on symbolic
14035 scevs that verify can_use_analyze_subscript_affine_affine.
14036 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14037 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14038 Handle symbolic scevs.
14039 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14041 (subscript_dependence_tester): Moved...
14042 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14043 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14044 DDR_SIZE_VECT instead of getting it in parameter.
14045 (subscript_dependence_tester): ... here. Take as a parameter
14046 loop_nest_depth. Call build_classic_dist_vector and
14047 build_classic_dir_vector.
14048 (compute_affine_dependence): Update subscript_dependence_tester
14049 parameters. Update datadep_stats counters. Call
14050 compute_subscript_distance.
14051 (compute_self_dependence): Save the dist and dir vectors. Call
14052 compute_subscript_distance.
14053 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14054 (compute_all_dependences): Reorder parameters as they were before
14055 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14056 compute_subscript_distance. Update the use of
14057 compute_affine_dependence and initialize_data_dependence_relation.
14058 (find_data_references_in_loop): Handle COMPONENT_REF.
14059 (compute_data_dependences_for_loop): Initialize dependence_stats.
14060 Don't call build_classic_dist_vector and build_classic_dir_vector.
14061 Update the parameters of initialize_data_dependence_relation and
14062 compute_all_dependences. Print the statistics from datadep_stats.
14063 (analyze_all_data_dependences): Static. Not used until the pass for
14064 checking the data dependences is contributed.
14065 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14066 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14067 (initialize_data_dependence_relation, compute_affine_dependence,
14068 analyze_all_data_dependences, compute_subscript_distance): Removed.
14069 (print_direction_vector): New.
14070 * lambda.h (gcd): ... here.
14071 (lambda_vector_gcd): Moved here from gcd_vector.
14072 * lambda-code.c (gcd, gcd_vector): Removed.
14073 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14074 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14076 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14078 * ipa-type-escape.c: Tidy some comments and white space.
14079 * tree-ssa-operands.c: Likewise.
14081 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14084 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14085 (dump_decl_name): Do not walk the decl tree chains.
14086 * tree-pass.h (TDF_CHAIN): Remove.
14088 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14090 * Makefile.in (C): Remove
14092 (.PHONY): Remove C and PROTO
14094 2006-02-20 Roger Sayle <roger@eyesopen.com>
14096 PR middle-end/26236
14097 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14098 deprecated CHAR_TYPE tree code.
14100 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14102 * configure.ac (target_list): Add install-info, dvi, html.
14103 * configure: Regenerate.
14105 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14106 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14107 treelang/Make-lang.in: Do not use double-colon rules.
14109 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14111 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14112 (TMT_USED_ALONE): New macro.
14113 * tree-pass.h (PROP_tmt_usage): New property.
14114 (TODO_update_tmt_usage): New todo.
14115 * tree-ssa-alias.c (updating_used_alone): New variable.
14116 (recalculate_used_alone): New function.
14117 (compute_may_aliases): Set updating_used_alone, call
14118 recalculate_used_alone.
14119 * tree-sra.c (pass_sra): Note that this pass destroys
14120 PROP_tmt_usage, and add TODO_update_tmt_usage.
14121 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14122 * tree-flow.h (updating_used_alone): Prototype.
14123 (recalculate_used_alone): Ditto.
14124 * passes.c (execute_todo): Add code to set updating_used_alone,
14125 and call recalculate.
14126 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14127 for clobber if used alone, and add assert to verify used_alone
14130 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14132 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14133 for non tls symbols added.
14134 (legitimize_address): Do nothing for PLUS expressions if one of the
14135 addends is a tls symbol reference.
14137 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14141 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14143 * Makefile.in (BOOTSTRAPPING): New.
14144 (quickstrap): New definition if BOOTSTRAPPING=yes.
14146 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14147 * configure.ac: Substitute all_selected_languages with the languages
14148 that were configured. For all the other variables except
14149 lang_specs_files, include all the languages in the tree.
14150 * configure: Regenerate.
14152 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14153 if there is one. Run the commands to run fixincludes in the same
14156 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14157 * doc/install.texi: Document exact conventions for searching target tools.
14158 Document --with-build-time-tools. Document toplevel bootstrap. Document
14159 something more about building an Ada cross-compiler. Don't list GNU Make
14160 requirements which affect all platforms.
14162 2006-02-19 Roger Sayle <roger@eyesopen.com>
14164 PR middle-end/19543
14165 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14166 only equivalent if the have both the same mode and precision.
14168 2006-02-20 Ben Elliston <bje@au.ibm.com>
14170 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14172 2006-02-19 Roger Sayle <roger@eyesopen.com>
14173 Steven Bosscher <stevenb.gcc@gmail.com>
14175 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14176 constant pool references to identify stack mode constants.
14177 * rtlanal.c (constant_pool_constant_p): New predicate to check
14178 whether operand is a floating point constant in the pool.
14179 * rtl.h (constant_pool_constant_p): Prototype here.
14180 * loop.c (scan_loop): Avoid hoisting constants from the constant
14181 pool on STACK_REGS targets.
14182 (load_mems): Likewise.
14183 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14184 loads into x87 registers expensive in terms of register pressure.
14186 2006-02-19 Roger Sayle <roger@eyesopen.com>
14188 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14189 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14191 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14193 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14194 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14196 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14198 * doc/invoke.texi: Document -fipa-pta.
14199 * common.opt: Add ipa-pta option.
14200 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14201 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14202 (do_ds_constraint): Ditto.
14203 (get_constraint_for): Only add to referenced_vars if
14204 referenced_vars exists.
14205 (insert_into_field_list): Rewrite to do this unsorted.
14206 (insert_into_field_list_sorted): Rename old insert_into_field_list
14208 (create_function_info_for): Use insert_into_field_list_sorted.
14209 (create_variable_info_for): Rewrite so it uses unsorted version,
14210 since the field list is sorted.
14211 (intra_create_variable_infos): Only add to referenced_vars if
14212 referenced_vars exists.
14213 (ipa_pta_execute): Init heapvars, and delete when done.
14214 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14216 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14218 * doc/install.texi: Add missing `@samp'.
14220 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14222 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14225 2006-02-18 Mark Wielaard <mark@klomp.org>
14227 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14228 who added new 4.1 features, bug fixes and integration support.
14230 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14233 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14234 MEM for ABI_V4 pic.
14236 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14238 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14239 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14240 (copy_insn_1): Likewise. Don't copy each field individually.
14242 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14244 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14245 * rtl.c (rtx_size): Rename variable to...
14246 (rtx_code_size): ...this.
14247 (rtx_size): New function.
14248 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14249 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14251 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14252 * rtl.h (rtx_code_size): New variable.
14253 (rtx_size): Change from a variable to a function.
14254 (RTX_SIZE): Rename to...
14255 (RTX_CODE_SIZE): ...this.
14258 PR tree-optimization/17106
14259 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14260 (Anchored Addresses): New section.
14261 * doc/invoke.texi (-fsection-anchors): Document.
14262 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14263 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14264 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14265 * hooks.c (hook_bool_mode_rtx_false): New function.
14266 * hooks.h (hook_bool_mode_rtx_false): Declare.
14267 * gengtype.c (create_optional_field): New function.
14268 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14269 SYMBOL_REF_IN_BLOCK_P is true.
14270 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14271 (min_anchor_offset, max_anchor_offset): Likewise.
14272 (use_anchors_for_symbol_p): New hook.
14273 * toplev.c (compile_file): Call output_object_blocks.
14274 (target_supports_section_anchors_p): New function.
14275 (process_options): Check that -fsection-anchors is only used on
14276 targets that support it and when -funit-at-a-time is in effect.
14277 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14278 if the decl doesn't have one.
14279 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14280 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14281 of force_const_mem through use_anchored_address.
14282 (expand_expr_constant): New function.
14283 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14284 calling expand_expr for INDIRECT_REF.
14285 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14286 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14287 * expr.h (use_anchored_address): Declare.
14288 * loop-unroll.c: Don't declare rtx vectors here.
14289 * explow.c: Include output.h.
14290 (validize_mem): Call use_anchored_address.
14291 (use_anchored_address): New function.
14292 * common.opt (-fsection-anchors): New switch.
14293 * varasm.c (object_block_htab, anchor_labelno): New variables.
14294 (hash_section, object_block_entry_eq, object_block_entry_hash)
14295 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14296 (use_blocks_for_decl_p, change_symbol_section): New functions.
14297 (get_variable_section): New function, split out from assemble_variable.
14298 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14299 use_blocks_for_decl_p say so. Use change_symbol_section if the
14300 symbol has already been created.
14301 (assemble_variable_contents): New function, split out from...
14302 (assemble_variable): ...here. Don't output any code for
14303 block symbols; just pass them to place_block_symbol.
14304 Use get_variable_section and assemble_variable_contents.
14305 (get_constant_alignment, get_constant_section, get_constant_size): New
14306 functions, split from output_constant_def_contents.
14307 (build_constant_desc): Create a block symbol if use_object_blocks_p
14308 says so. Or into SYMBOL_REF_FLAGS.
14309 (assemble_constant_contents): New function, split from...
14310 (output_constant_def_contents): ...here. Don't output any code
14311 for block symbols; just pass them to place_section_symbol.
14312 Use get_constant_section and get_constant_alignment.
14313 (force_const_mem): Create a block symbol if use_object_blocks_p and
14314 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14315 (output_constant_pool_1): Add an explicit alignment argument.
14316 Don't switch sections here.
14317 (output_constant_pool): Adjust call to output_constant_pool_1.
14318 Switch sections here instead. Don't output anything for block symbols;
14319 just pass them to place_block_symbol.
14320 (init_varasm_once): Initialize object_block_htab.
14321 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14322 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14323 (place_block_symbol, get_section_anchor, output_object_block)
14324 (output_object_block_htab, output_object_blocks): New functions.
14325 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14326 (TARGET_ASM_OUT): Include it.
14327 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14328 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14329 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14330 (TARGET_INITIALIZER): Include them.
14331 * rtl.c (rtl_check_failed_block_symbol): New function.
14332 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14333 (block_symbol, object_block): New structures.
14334 (rtx_def): Add a block_symbol field to the union.
14335 (BLOCK_SYMBOL_CHECK): New macro.
14336 (rtl_check_failed_block_symbol): Declare.
14337 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14338 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14339 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14340 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14341 * output.h (output_section_symbols): Declare.
14342 (object_block): Name structure.
14343 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14344 (default_use_anchors_for_symbol_p): Declare.
14345 * Makefile.in (RTL_BASE_H): Add vec.h.
14346 (explow.o): Depend on output.h.
14347 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14348 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14349 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14350 (rs6000_use_blocks_for_constant_p): New function.
14352 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14354 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14356 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14359 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14362 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14364 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14368 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14370 PR middle-end/26334
14371 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14372 instead of DECL_REGISTER.
14374 2006-02-18 Olivier Hainque <hainque@adacore.com>
14377 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14379 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14382 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14383 * opth-gen.awk: Handle Var and InverseMask together.
14384 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14385 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14386 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14387 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14389 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14390 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14391 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14392 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14393 LINUX_DYNAMIC_LINKER): Define.
14394 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14395 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14397 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14398 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14399 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14400 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14401 (TARGET_C99_FUNCTIONS): Don't define.
14402 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14403 GLIBC_DYNAMIC_LINKER.
14404 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14405 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14406 GLIBC_DYNAMIC_LINKER64): Define.
14407 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14408 LINUX_DYNAMIC_LINKER64.
14409 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14410 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14411 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14412 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14413 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14414 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14415 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14416 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14417 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14418 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14419 and LINUX_DYNAMIC_LINKER32.
14420 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14421 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14422 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14423 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14424 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14426 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14427 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14428 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14429 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14430 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14431 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14432 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14433 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14434 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14435 LINUX_DYNAMIC_LINKER): Define.
14436 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14437 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14438 GLIBC_DYNAMIC_LINKER64): Define.
14439 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14440 LINUX_DYNAMIC_LINKER64.
14441 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14442 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14443 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14444 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14445 LINUX_DYNAMIC_LINKER): Define.
14446 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14447 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14448 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14449 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14450 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14451 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14452 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14453 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14454 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14455 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14457 * doc/invoke.texi (-muclibc): Remove caveat about supported
14460 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14462 * doc/cpp.texi (__TIMESTAMP__): Document.
14464 2006-02-17 Roger Sayle <roger@eyesopen.com>
14466 PR middle-end/25600
14467 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14468 C is one less than the width of X (and related transformations).
14469 * simplify-rtx.c (simplify_unary_operation_1): Transform
14470 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14471 depending on STORE_FLAG_VALUE, were C is one less then the
14474 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14476 Fix PR tree-optimization/26341
14477 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14478 about NAME_MEMORY_TAG's.
14480 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14483 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14484 with hardware float support, and software float support. Add fcpy
14485 alternative to hardware patterns. Add alternatives to copy between
14486 general and floating-point registers to the 32-bit pattern.
14487 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14488 secondary reload to load a QI or HI mode constant into a floating
14490 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14491 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14493 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14496 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14498 (load_macho_picbase_di): Likewise.
14500 2006-02-16 Jeff Law <law@redhat.com>
14502 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14503 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14504 (ssa_name_nonzero_p): Likewise.
14505 (get_value_range): Return NULL if VRP is not running.
14506 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14507 VRP routines do not discover a range.
14508 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14509 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14510 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14511 (tree_expr_nonnegative_p): Similarly.
14512 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14513 (restore_nonzero_vars_to_original_value): Remove.
14514 (unsafe_associative_fp_binop): Remove.
14515 (tree_ssa_dominator_optimize): Remove initialization and
14516 finalization of nonzero_vars and nonzero_vars_stack.
14517 (dom_opt_initialize_block): No longer push marker on
14518 nonzero_vars_stack.
14519 (dom_opt_finalize_block): No longer call
14520 restore_nonzero_vars_to_original_value.
14521 (record_equivalences_from_phis): No longer look for
14522 nonzero PHI arguments.
14523 (cprop_into_successor_phis): No longer propagate nonzero
14524 property into PHI arguments. Lose unused argument. Caller
14526 (record_equivalences_from_stmt): No longer record nonzero
14527 values for SSA_NAMEs.
14528 (lookup_avail_expr): No longer use nonzero_vars.
14530 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14531 for sizetype when sizetype is unsigned.
14533 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14535 PR rtl-optimization/25603
14536 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14537 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14538 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14539 with new meaning of SETS.
14541 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14546 * config/linux.opt: New file.
14547 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14548 LINUX_DYNAMIC_LINKER): Define.
14549 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14550 * config.gcc (*-*-linux*): Define extra_options.
14551 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14552 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14553 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14554 GLIBC_DYNAMIC_LINKER.
14555 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14556 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14557 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14559 * doc/invoke.texi (GNU/Linux Options): New section.
14561 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14563 * config/sparc/sparc.md (setjmp): Rewrite.
14564 (setjmp_32): Delete.
14565 (setjmp_64): Likewise.
14567 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14569 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14572 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14574 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14577 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14579 PR rtl-optimization/26296
14580 * Makefile.in (loop-invariant.c): Add except.h dependency.
14581 * loop-invariant.c: Include except.h.
14582 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14584 2005-02-16 Paul Brook <paul@codesourcery.com>
14586 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14589 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14591 PR rtl-optimization/25636
14592 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14593 when deciding whether an insn is an initializing insn.
14595 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14597 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14598 (tree_code_size): Ditto.
14599 * tree.h (struct tree_memory_tag): Remove parent_var.
14600 (struct tree_struct_field_tag): New.
14603 (union tree_node): Add sft member.
14604 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14606 (create_sft): Add size and offset argument, set SFT_OFFSET and
14608 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14609 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14610 * tree-flow-inline.h (get_subvar_at): Update for
14611 SFT_OFFSET/SFT_SIZE.
14612 (var_can_have_subvars): Ditto.
14613 (overlap_subvar): Ditto.
14614 * print-tree.c (print_node): Print out interesting things for
14616 * tree-flow.h (struct subvar): Remove offset and size members.
14617 * tree-ssa-operands.c (get_expr_operands): Update for
14618 get_indirect_ref_operands changes.
14619 (get_indirect_ref_operands): Call add_virtual_operand instead of
14620 add_stmt_operand. Only recurse on base var if requested.
14621 (access_can_touch_variable): New function.
14622 (add_stmt_operand): Split virtual operand handling into ...
14623 (add_virtual_operand): Here. Add offset, size, and for_clobber
14624 arguments. Prune alias sets.
14625 (add_call_clobber_ops): Call add_virtual_operand.
14627 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14629 PR middle-end/26300
14630 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14632 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14633 than TREE_CODE as index into omp_clause_num_ops array.
14635 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14637 PR rtl-optimization/26184
14638 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14640 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14641 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14642 must_precede, must_follow and tobe_scheduled.
14645 * opts.c (common_handle_option): Free new_option pointer.
14646 * df-core.c (df_analyze): Free postorder pointer.
14648 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14650 * Makefile.in: Fix the examples about the use of stamps
14652 2006-02-15 Michael Matz <matz@suse.de>
14654 PR middle-end/22275
14656 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14657 influenced by maximum_field_alignment or DECL_PACKED.
14658 (update_alignment_for_field): Ditto.
14659 (place_field): Ditto.
14660 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14663 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14665 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14666 (debug_flow_info): Pass it.
14667 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14668 * bb-reorder.c (reorder_basic_blocks): Likewise.
14669 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14670 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14671 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14672 * gcse.c (gcse_main, bypass_jumps): Likewise.
14673 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14674 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14675 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14676 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14677 * rtl.h (dump_flow_info): Adjust prototype.
14678 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14679 * var-tracking.c (variable_tracking_main): Likewise.
14680 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14681 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14684 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14686 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14689 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14691 PR tree-optimization/26209
14692 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14693 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14695 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14697 2006-02-14 Roger Sayle <roger@eyesopen.com>
14699 PR middle-end/23670
14700 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14701 (X,Y) and the corresponding symmetry related transformations.
14702 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14703 (X,Y) and its symmetry related transformations.
14705 2006-02-14 Roger Sayle <roger@eyesopen.com>
14707 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14710 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14712 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14714 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14717 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14718 support COMDAT group.
14719 * configure: Regenerate.
14721 2006-02-14 Roger Sayle <roger@eyesopen.com>
14723 PR middle-end/26279
14724 PR middle-end/26280
14725 PR middle-end/26283
14726 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14728 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14730 Fix PR tree-optimization/26260
14732 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14734 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14735 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14736 * tree-ssa-structalias.c (create_variable_info_for): Use
14737 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14739 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14741 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14743 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14744 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14745 of the ending condition.
14746 * tree-ssa-loop-manip.c: Include params.h.
14747 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14748 tree_unroll_loop): New functions.
14749 * tree-pass.h (pass_loop_prefetch): Declare.
14750 * loop.c (rest_of_handle_loop_optimize): Test for
14751 -fprefetch-loop-arrays-rtl.
14752 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14753 * timevar.def (TV_TREE_PREFETCH): New timevar.
14754 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14755 pass_loop_prefetch): New.
14756 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14757 (cleanup_tree_cfg_loop): Call scev_reset.
14758 * common.opt (fprefetch-loop-arrays-rtl): Add.
14759 * tree-ssa-loop-prefetch.c: New file.
14760 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14761 (new_temp_expr_table): Initialize expr_vars.
14762 (free_temp_expr_table): Cleanup expr_vars.
14763 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14764 expressions from being merged into one.
14765 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14766 (struct tree_niter_desc): Add control, bound and cmp fields.
14767 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14769 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14770 (tree-cfgcleanup.o): Add SCEV_H dependency.
14771 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14772 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14774 2006-02-14 Richard Guenther <rguenther@suse.de>
14776 PR tree-optimization/26258
14777 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14778 in PHI argument processing.
14780 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14782 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14783 new expression in the requested machine mode.
14785 2006-02-13 Roger Sayle <roger@eyesopen.com>
14787 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14788 directly, instead let do_compare_rtx_and_jump handle this for us.
14789 * expr.c (expand_expr_real_1): Likewise.
14790 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14791 before do_jump_by_parts_greater.
14792 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14793 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14795 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14797 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14799 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14801 PR rtl-optimization/26235
14802 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14803 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14806 2006-02-13 Jeff Law <law@redhat.com>
14808 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14811 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14813 PR middle-end/26092
14814 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14815 twice if decl is a builtin. When trying again, call get_callee_fndecl
14816 first to verify it is still a builtin.
14818 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14820 * dwarf2out.c (base_type_die): Don't add AT_name here.
14821 (subrange_type_die): Don't add AT_name here.
14822 (modified_type_die): Rearrange code flow. Do add AT_name here.
14824 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14826 PR rtl-optimization/26247
14827 PR rtl-optimization/26248
14828 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14830 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14832 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14833 * config/fixtfdi.c: Likewise.
14834 * config/fixunstfdi.c: Likewise.
14835 * config/floatditf.c: Likewise.
14837 2006-02-13 Roger Sayle <roger@eyesopen.com>
14839 PR middle-end/24427
14840 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14841 into (X,C2) if C1 is a subset of the bits of C2. Transform
14842 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14844 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14846 2006-02-13 Josh Conner <jconner@apple.com>
14849 * varasm.c (function_section): Check for section name before
14850 calling select_section on targets that define
14851 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14852 unlikely_text_section instead of hot_function_section if
14853 first_function_block_is_cold.
14855 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14857 PR middle-end/25335
14858 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14860 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14862 PR rtl-optimization/26222
14863 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14864 after tree->rtl expansion.
14865 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14866 before passing it to emit_move_insn.
14868 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14870 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14872 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14873 Clarify documentation.
14874 * c-common.h (warn_write_strings): Remove.
14875 * c-common.c (warn_write_strings): Likewise.
14876 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14879 2006-02-12 Roger Sayle <roger@eyesopen.com>
14881 PR middle-end/25724
14882 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14883 (do_jump_parts_zero_rtx): New function renamed from
14884 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14885 (do_jump_parts_equality_rtx): New function split out from
14886 do_jump_parts_equality. Old implementation renamed as above.
14887 Call do_jump_parts_zero_rtx if either operand is zero.
14888 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14889 do all of the heavy lifting.
14890 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14891 calling either do_jump_by_parts_greater_rtx or
14892 do_jump_by_parts_equality_rtx.
14893 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14894 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14895 moved to do_compare_rtx_and_jump, call it directly.
14896 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14897 mode argument. Call do_compare_rtx_and_jump.
14898 (emit_case_nodes): Update calls to do_jump_if_equal.
14900 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14902 PR rtl-optimization/26225
14903 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14905 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14907 PR rtl-optimization/26232
14908 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14910 2006-02-11 Jason Merrill <jason@redhat.com>
14913 * tree-inline.c (declare_return_variable): Just don't use the
14914 modify target if it's a gimple complex reg and the return slot
14917 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14919 * doc/contrib.texi: Update my entry.
14921 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14923 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14925 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14927 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14930 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14932 * doc/invoke.texi (-floop-optimize2): Removed.
14933 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14934 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14935 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14936 * common.opt (floop-optimize2): Removed.
14937 (fmove-loop-invariants): Enabled by default.
14939 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14941 * tree-if-conv.c (combine_blocks): Free the result of
14942 get_loop_exit_edges.
14944 2006-02-10 Jeff Law <law@redhat.com>
14946 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14948 PR tree-optimization/26213
14949 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14950 loop trying to follow SSA_NAME_VALUE chains.
14952 2006-02-10 Richard Guenther <rguenther@suse.de>
14954 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14955 deal with structures that end in implicitly variable sized arrays.
14957 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14959 PR rtl-optimization/24762
14960 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14963 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14965 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14966 (struct ivopts_data): Add regs_used field.
14967 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14968 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14969 instead of loop_data->regs_used;
14970 (free_loop_data): Do not free aux fields for loops.
14971 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14972 and tree_ssa_iv_optimize_finalize.
14974 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14976 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14978 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14981 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14982 computing the effective result type.
14984 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14986 PR inline-asm/16194
14987 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14988 (tree_overlaps_hard_reg_set): Declare.
14989 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14990 type and signature to match function type expected by walk_tree.
14991 (tree_overlaps_hard_reg_set): New function.
14992 (decl_conflicts_with_clobbers_p): Rename to:
14993 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14994 Use tree_overlaps_hard_reg_set. Changed caller.
14995 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14996 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14997 * cris.c (cris_md_asm_clobbers): Likewise.
14999 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15001 * reload1.c (emit_input_reload_insns): Delete code that tries to
15002 inherit using find_equiv_reg.
15004 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15006 * c-common.h (flag_const_strings): Don't declare.
15007 * c-common.c (flag_const_strings): Remove.
15008 * c.opt (fconst_strings): Remove.
15009 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15010 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15011 (c_common_init_options): Don't set flag_const_strings.
15012 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15014 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15016 * arm.md (tlobits_cbranch): New pattern.
15017 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15018 testing a single bit.
15020 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15023 * tree-ssa-pre.c (create_component_ref_by_pieces):
15024 Handle RETURN_DECL like VAR_DECL.
15026 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15028 PR middle-end/26134
15029 * fold-const.c (fold_indirect_ref_1): Fold
15030 "*(foo *)&complexfoo" to "__real__ complexfoo"
15031 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15033 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15035 * tree-flow-inline.h (var_can_have_subvars):
15036 Volatile variables should not have subvariables.
15038 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15041 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15042 multiplying unsigned values.
15045 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15047 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15049 2006-02-08 Jason Merrill <jason@redhat.com>
15052 * tree.def: Elaborate on difference from MODIFY_EXPR.
15053 * doc/c-tree.texi (INIT_EXPR): Likewise.
15054 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15055 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15056 (gimplify_target_expr): Likewise.
15057 (gimplify_cond_expr): Remove target handling.
15058 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15059 (gimplify_expr): Clobber it here.
15060 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15061 Do return slot optimization if we have an INIT_EXPR.
15064 * tree-inline.c (declare_return_variable): Also clear
15065 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15068 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15070 PR middle-end/22439
15071 * gimplify.c (gimplify_one_sizepos): Fix typo.
15073 2006-02-08 Jeff Law <law@redhat.com>
15075 PR tree-optimization/21417
15076 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15077 across a backedge if the control statement at the end of the
15078 block is data dependent on other statements in the same block.
15079 (record_temporary_equivalences_from_stmts): Remove over-conservative
15080 test for threading across backedges.
15082 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15083 control statement, handle all three special cases in the same
15084 manner as they all have the same desired solution. No longer
15085 special case edge flag updating when the post dominator is
15088 2006-02-08 Roger Sayle <roger@eyesopen.com>
15090 * tree.def (CHAR_TYPE): Remove.
15091 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15092 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15093 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15094 (gen_string_type_die): Delete unreachable function.
15096 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15097 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15098 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15099 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15100 * builtins.c (type_to_class): Likewise.
15101 * fold-const.c (fold_convert, build_range_check,
15102 merge_ranges): Likewise.
15103 * expr.c (count_type_elements): Likewise.
15104 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15105 * stor-layout.c (layout_type): Likewise.
15106 * ipa-type-escape.c (type_to_consider): Likewise.
15107 * gimplify.c (omp_firstprivatize_type_sizes,
15108 gimplify_type_sizes): Likewise.
15109 * explow.c (promote_mode): Likewise.
15110 * tree-sra.c (is_sra_scalar_type): Likewise.
15111 * varasm.c (output_constant): Likewise.
15112 * tree-inline.c (remap_type_1): Likewise.
15113 * convert.c (convert_to_pointer, convert_to_real,
15114 convert_to_integer, convert_to_complex): Likewise.
15116 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15118 * df-scan.c (df_def_record_1): A set destination may
15119 be a parallel regardless of mode.
15121 2006-02-08 Roger Sayle <roger@eyesopen.com>
15124 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15125 * config/mips/_tilib.c: Remove.
15126 * config/fixtfdi.c: New libgcc source file.
15127 * config/fixunstfdi.c: New source file.
15128 * config/floatditf.c: New source file.
15129 * config/floatunditf.c: New souce file.
15130 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15131 files above instead of config/mips/_tilib.c.
15132 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15134 2006-02-08 Jeff Law <law@redhat.com>
15136 PR tree-optimization/26169
15137 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15140 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15142 * df.h (DF_REG_SIZE): Return the length of the initialized
15145 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15147 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15148 __muldf3): Return a correctly signed zero.
15150 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15152 * passes.c (register_one_dump_file): Accept the current properties
15153 instead of pass number. Adjust call to dump_register. Remove
15155 (register_dump_files): Now a wrapper around...
15156 (register_dump_files_1): ... this one. Do not modify the pass
15158 (next_pass_1): Cosmetic fix.
15159 (execute_todo): Keep second parameter only. Use curr_properties
15160 instead of fetching it from the pass structure. Check and set
15162 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15163 instead of fetching it from the pass structure. Fix calls to
15164 execute_todo. Update curr_properties and initialize .vcg RTL dump
15165 after running the pass. Reset last_verified.
15166 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15168 (FIRST_AUTO_NUMBERED_DUMP): New.
15169 (dump_register): Remove "num" parameter, assign it within the
15171 (get_dump_file_name): Modify template for dumps.
15172 * tree-dump.h (dump_register): Adjust prototype.
15173 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15174 (PROP_trees): Add PROP_gimple_lomp.
15175 (TODO_set_props): New.
15176 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15177 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15178 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15180 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15182 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15183 (sparc64-*-linux*): Likewise.
15184 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15185 * config/sparc/t-linux: New file.
15186 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15187 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15188 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15189 -m32 -mlong-double-128.
15191 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15192 * config/alpha/t-linux: New file.
15193 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15195 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15196 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15197 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15198 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15199 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15200 (CPP_ARCH32_SPEC): Remove.
15202 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15204 PR tree-optimization/26145
15205 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15208 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15211 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15212 >= 240000 when generating code for SOM runtime.
15213 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15214 to $$dyncall when generating code for SOM runtime..
15216 2006-02-07 Dirk Mueller <dmueller@suse.com>
15219 * doc/invoke.texi (-Wsequence-point): Update documentation
15220 that -Wsequence-point is implemented for C++ as well.
15222 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15224 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15225 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15226 (LIB_SPEC): Likewise.
15227 * doc/invoke.texi (SPARC options): Document -pthread.
15229 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15231 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15234 2006-02-07 Roger Sayle <roger@eyesopen.com>
15236 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15237 Correct comment describing BOOLEAN_TYPE.
15239 2006-02-07 Dirk Mueller <dmueller@suse.com>
15241 * c.opt: C++ frontend supports -Wdiv-by-zero.
15242 * c-opts.c (c_common_handle_option): Remove dead case.
15244 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15246 * configure.ac (TLS assembler check): Do not enable TLS by
15247 default on SPARC/Solaris before version 10.
15248 * configure: Regenerate.
15250 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15252 * doc/invoke.texi (xl-compat): Document conversion and support
15255 2006-02-07 Jeff Law <law@redhat.com>
15257 * tree-vrp.c (find_conditional_asserts): Update comments.
15258 (simplify_stmt_for_jump_threading): New.
15259 (identify_jump_threads, finalize_jump_threads): New.
15260 (vrp_finalize): Call identify_jump_threads.
15261 (execute_vrp): Call finalize_jump_threads.
15262 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15263 (vrp_element, vrp_data, vrp_element_p): Remove.
15264 (vrp_hash_elt, vrp_variables_stack): Remove.
15265 (vrp_hash, vrp_eq, record_range): Remove.
15266 (simplify_cond_and_lookup_avail_expr): Remove.
15267 (extract_range_from_cond): Remove.
15268 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15269 (simplify_stmt_for_jump_threading): New.
15270 (dom_thread_across_edge): New wrapper.
15271 (tree_ssa_dominator_optimize): No longer initialize or
15272 finalize any of the VRP datastructures. Remove iteration
15273 step and simplify as a result of removal of iteration step.
15274 (pass_dominator): Perform a cfg cleanup after DOM.
15275 (dom_opt_finalize_block): Use the new common routines
15276 for threading jumps. Simplify stack management slightly.
15277 No longer need to unwind VRP state.
15278 (record_equivalences_from_incoming_edge): No longer record
15280 (eliminate_redundant_computations): No longer call
15281 simplify_cond_and_lookup_avail_expr.
15282 * tree-flow.h (potentially_threadable_block): Prototype.
15283 (thread_across_edge): Likewise.
15284 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15285 (tree-ssa-threadedge.o): Add dependencies.
15286 * tree-ssa-threadedge.c: New file.
15287 * passes.c (init_optimization_passes): Merge PHIs before
15288 calling VRP. Run VRP again late in the SSA optimization pipeline.
15290 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15292 * df-core.c (df_set_blocks): Do not dereference function pointers.
15293 (df_finish1): Likewise.
15294 (df_hybrid_search_forward): Likewise.
15295 (df_hybrid_search_backward): Likewise.
15296 (df_iterative_dataflow): Likewise.
15297 (df_analyze_problem): Likewise.
15298 (df_compact_blocks): Likewise.
15299 (df_dump): Likewise.
15300 * df-scan.c (df_rescan_blocks): Likewise.
15301 (df_record_entry_block_defs): Likewise.
15303 * genconditions.c (write_conditions): Guard the definition of
15304 'insn_conditions' with the check on GCC version.
15305 (write_writer): Guard the traversal 'insn_conditions' with
15306 the check on GCC version.
15308 2006-02-07 Richard Guenther <rguenther@suse.de>
15312 2006-01-30 Richard Guenther <rguenther@suse.de>
15314 * gimplify.c (gimplify_target_expr): Handle easy cases
15315 without creating a temporary.
15317 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15319 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15320 use of float in probability computations. Use edge probabilities
15321 in place of statically computed probabilities.
15322 (min_spec_prob): New static variable.
15323 (schedule_insns): Initialize it.
15324 (GET_SRC_PROB): Removed.
15325 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15327 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15330 * config/ia64/unwind-ia64.c: Revert last change.
15331 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15332 (INCOMING_FRAME_SP_OFFSET): Define.
15334 2006-02-06 Roger Sayle <roger@eyesopen.com>
15336 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15338 2006-02-07 Ben Elliston <bje@au.ibm.com>
15340 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15341 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15342 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15343 (ix86_return_in_memory): Handle TDmode.
15344 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15345 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15347 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15349 * reorg.c (dbr_schedule): Use dump_file instead of file.
15351 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15354 * config/ia64/predicates.md (extr_len_operand): New predicate.
15355 * config/ia64/ia64.md (extv): Tighten constraints.
15357 (*tbit_and_2): Ditto.
15358 (*tbit_and_3): Ditto.
15359 (*tbit_or_2): Ditto.
15360 (*tbit_or_3): Ditto.
15361 (*bit_zero): Ditto.
15364 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15367 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15369 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15371 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15372 loop_optimizer_init and loop_optimizer_finalize
15373 * tree-ssa-sink.c (execute_sink_code): Ditto.
15374 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15375 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15376 tree_ssa_loop_done): Ditto.
15377 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15378 * sched-ebb.c: Include output.h.
15379 (schedule_ebbs): Do not use dump argument.
15380 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15381 * loop.c (loop_dump_stream): Removed.
15382 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15384 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15385 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15386 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15387 loop_iterations, strength_reduce, record_biv, record_giv,
15388 final_giv_value, check_final_value, check_ext_dependent_givs,
15389 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15390 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15391 dump_file instead of loop_dump_stream.
15392 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15393 argument dump_file.
15394 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15396 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15397 * haifa-sched.c: Include output.h
15398 (schedule_insns, sched_init): Do not use dump argument.
15399 * mode-switching.c (optimize_mode_switching): Ditto.
15400 * modulo-sched.c (stats_file): Removed.
15401 (print_node_sched_params): Do not call argument dump_file.
15402 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15403 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15405 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15407 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15408 rtl_loop_init, rtl_loop_done): Ditto.
15409 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15410 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15412 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15413 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15414 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15415 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15416 * emit-rtl.c (renumber_insns): Ditto.
15417 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15418 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15419 * regclass.c (regclass): Ditto.
15420 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15421 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15422 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15423 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15425 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15426 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15428 * gcse.c (gcse_file, debug_stderr): Removed.
15429 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15430 rest_of_handle_gcse): Do not use dump argument.
15431 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15432 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15433 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15434 compute_code_hoist_vbeinout, compute_code_hoist_data,
15435 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15436 compute_store_table, build_store_vectors, insert_insn_start_bb,
15437 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15438 store_motion): Use dump_file instead of gcse_file.
15439 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15440 * profile.c (profile_dump_file): Removed.
15441 (branch_prob): Use dump_file instead of profile_dump_file.
15442 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15444 * tree-ssa-copy.c (dump_copy_of): Ditto.
15445 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15446 dump file to life_analysis.
15447 * bt-load.c (branch_target_load_optimize): Ditto.
15448 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15450 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15451 regclass, dbr_schedule): Declaration changed.
15452 * sched-int.h (sched_init): Declaration changed.
15453 * tree-profile.c (tree_profile_dump_file): Removed.
15454 (tree_profile_hooks): Removed profile_dump_file hook.
15455 * rtl-profile (rtl_profile_dump_file): Removed.
15456 (rtl_profile_hooks): emoved profile_dump_file hook.
15457 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15459 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15460 * tree-cfg.c (build_tree_cfg): Ditto.
15461 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15462 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15463 Declaration changed.
15464 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15465 life_analysis and schedule_insns.
15466 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15468 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15470 * config/mips/mips.c (mips_reorg): Ditto.
15471 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15474 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15476 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15477 (s390_mangle_fundamental_type): New.
15478 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15481 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15482 (alpha_mangle_fundamental_type): New.
15483 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15486 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15488 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15490 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15491 (sparc_mangle_fundamental_type): New.
15493 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15495 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15496 (s390x-*-linux*): Likewise.
15497 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15498 * config/s390/t-linux: New file.
15500 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15502 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15503 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15505 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15507 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15508 (ANTIC_SAFE_LOADS): New macro.
15509 (find_or_generate_expression): Add prototype.
15510 (set_contains_value): Allow null set for sake of not always having
15511 to allocate ANTIC_SAFE_LOADS.
15512 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15513 Allow COMPONENT_REF too.
15514 (valid_in_set): Allow COMPONENT_REF.
15515 Check ANTIC_SAFE_LOADS too.
15516 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15517 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15519 (can_PRE_operation): Add COMPONENT_REF.
15520 (create_component_ref_by_pieces): New function.
15521 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15522 (insert_aux): Move AGGREGATE_TYPE_P check here.
15523 (compute_avail): Set bb local stmt uids.
15524 (pass_pre): Use TODO_update_ssa_only_virtuals.
15526 2006-02-06 Ben Elliston <bje@au.ibm.com>
15528 * configure.ac: Unconditionally disable decimal float by default.
15529 * configure: Regenerate.
15531 2006-02-06 Ben Elliston <bje@au.ibm.com>
15533 * read-rtl.c (read_name): Terminate reading on EOF.
15535 2006-02-06 Ben Elliston <bje@au.ibm.com>
15537 * dfp.c (decimal_real_arithmetic): Change second argument type
15538 from int to enum tree_code. Do not always return true, but now
15539 return result of any call to decimal_do helper functions.
15540 * dfp.h (decimal_real_arithmetic): Update prototype.
15542 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15544 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15546 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15549 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15552 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15554 * tree-vrp.c (cfg_loops): Removed.
15555 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15556 Use current_loops instead of cfg_loops. Pass flags to
15557 loop_optimizer_init.
15558 * cfgloopmanip.c (fix_loop_structure): Update only available
15560 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15561 loop_optimizer_init.
15562 * modulo-sched.c (build_loops_structure): Removed.
15563 (sms_schedule): Use loop_optimizer_init.
15564 * loop-init.c (loop_optimizer_init): Use flags to determine
15565 which properties of loops to prepare.
15566 (rtl_loop_init): Pass flags to loop_optimizer_init.
15567 * tree-ssa-sink.c (execute_sink_code): Ditto.
15568 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15569 * tree-ssa-pre.c (init_pre): Ditto.
15570 * cfgloop.h (LOOPS_NORMAL): New.
15571 (loop_optimizer_init): Declaration changed.
15573 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15575 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15576 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15578 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15580 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15582 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15583 * pa/t-pa64: Delete quadlib.c rule.
15584 * pa/x-ada: Revert last change.
15585 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15587 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15589 PR rtl-optimization/26087
15590 * rtlanal.c (canonicalize_condition): Do not cross basic block
15593 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15596 * config/ia64/ia64.c: Include debug.h.
15597 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15598 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15599 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15600 (process_epilogue, process_set, process_for_unwind_directive):
15601 Output unwind info only if requested. Add CFA info if requested.
15602 Add new arguments as needed. Adjust callers.
15603 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15605 (DWARF2_FRAME_INFO): Define to zero.
15606 * config/ia64/unwind-ia64.c: Remove code that compensated for
15607 the CFA offset error fixed above.
15608 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15609 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15610 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15611 -funwind-tables and -fexceptions to enable frame info.
15612 (dwarf2out_frame_init): Define initial CFA even if
15613 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15614 DWARF2_UNWIND_INFO is nonzero, not just defined.
15615 (dwarf2out_frame_finish): Output non-EH call frame info only
15616 if DWARF2_FRAME_INFO is nonzero.
15617 (convert_cfa_to_loc_list,
15618 compute_frame_pointer_to_cfa_displacement): Define even if
15619 unwind info is not supported.
15620 (gen_subprogram_die): Use the above unconditionally. Remove
15621 legacy alternate code.
15622 * toplev.c (compile_file): Compile in call to
15623 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15624 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15626 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15627 Jakub Jelinek <jakub@redhat.com>
15629 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15630 IBM extended float format long double as "g" on powerpc*-linux.
15632 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15635 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15636 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15638 2006-02-03 Jason Merrill <jason@redhat.com>
15641 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15643 PR middle-end/25977
15644 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15645 on the return slot if it's an NRV.
15647 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15649 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15650 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15651 rewrite_use): Do not handle USE_OUTER.
15652 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15653 add_iv_outer_candidates, may_replace_final_value,
15654 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15655 (find_interesting_uses_op): Functionality of
15656 find_interesting_uses_outer_or_nonlin moved here.
15657 (find_interesting_uses_outside): Use find_interesting_uses_op.
15659 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15662 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15664 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15665 Ulrich Weigand <uweigand@de.ibm.com>
15668 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15669 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15670 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15671 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15673 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15674 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15675 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15676 Define secondary reloads for TFmode moves.
15677 (constant_modes): Add TFmode.
15678 (NR_C_MODES): Set to 8.
15679 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15681 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15682 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15683 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15684 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15685 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15686 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15687 (FPR mode macro): Add TFmode.
15688 (DSF mode macro): New.
15689 (<de>, <dee> mode attributes): Removed.
15690 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15691 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15692 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15693 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15694 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15695 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15696 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15697 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15698 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15699 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15700 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15701 "*negabs<mode>2", "sqrt<mode>2"):
15702 Changed <de> to <xde>. R constraint replaced by <Rf>.
15703 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15705 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15706 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15707 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15709 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15710 "extenddftf2", "extendsftf2"): New expanders.
15711 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15712 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15713 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15714 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15716 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15717 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15718 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15719 __floatditf): Add a GCC_4.1.0 symbol version tag.
15720 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15723 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15726 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15727 Use targetm.binds_local_p instead of TREE_PUBLIC.
15729 2006-02-02 Roger Sayle <roger@eyesopen.com>
15731 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15732 on INTEGER_TYPEs to indicate that it denotes a character type.
15733 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15734 signed_char_type_node, unsigned_char_type_node and char_type_node.
15735 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15736 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15737 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15739 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15740 Daniel Berlin <dberlin@dberlin.org>
15742 * tree-tailcall.c (arg_needs_copy_p): New function.
15743 (eliminate_tail_call): Use arg_needs_copy_p.
15744 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15745 (add_virtual_phis): New function.
15747 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15749 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15750 #ignore instead of #scratch for %g7 .register directive.
15752 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15754 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15757 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15759 * flow.c (calculate_global_regs_live): Assert that there aren't any
15762 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15764 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15765 what its name says.
15766 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15767 bsi_after_labels iterator.
15768 * tree-if-conv.c (find_phi_replacement_condition,
15769 replace_phi_with_cond_modify_expr): Likewise.
15770 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15771 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15773 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15775 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15777 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15780 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15781 array after growing it.
15783 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15785 PR middle-end/24901
15786 * fold-const.c (fold_checksum_tree): Change type of buf.
15788 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15790 * reload.c (push_secondary_reload): Initialize t_icode.
15792 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15794 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15795 -msoft-float -mlong-double-128 only issue a warning, but don't
15796 swich to DFmode long double.
15798 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15800 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15801 has a constant equivalent, iterate over equivalents for arg0,
15802 calling simplify_relational_operation and if there's a result
15803 cheaper than X, apply fold_rtx and return the result.
15805 2006-02-01 Jan Hubicka <jh@suse.cz>
15807 * opts.c (no_unit_at_a_time_default): New global variable.
15808 (decode_options): Use it.
15809 * opts.h (no_unit_at_a_time_default): Declare.
15811 2006-02-01 Paul Brook <paul@codesourcery.com>
15813 * function.c (assign_parm_setup_reg): Use function argument promotion
15815 * expr.c (expand_expr_real_1): Use function argument promotion rules
15818 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15820 * gcc.c (process_command): Change j to 'unsigned int'.
15822 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15824 PR middle-end/26001
15825 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15826 Use the corrected index for the character
15827 out of the string constant.
15829 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15831 * mode-switching.c (optimize_mode_switching): Fix size
15832 allocated for bb_info[n_entities].
15834 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15836 * gcc.c (main): Correct type that is allocated for
15837 explicit_link_files.
15839 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15841 * config/s390/s390.c (init_alignment_context): Set
15842 ALIAS_SET_MEMORY_BARRIER on the MEM.
15843 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15845 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15847 PR middle-end/25933
15848 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15850 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15853 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15855 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15856 * regrename.c: Ditto.
15857 * tree-ssa-loop-im.c: Ditto.
15858 * tree-dump.c: Ditto.
15859 * tree-complex.c: Ditto.
15860 * genrecog.c: Ditto.
15861 * tree-ssa-threadupdate.c: Ditto.
15863 * java/class.c: Ditto.
15864 * java/jcf-parse.c: Ditto.
15865 * java/resource.c: Ditto.
15866 * java/except.c: Ditto.
15867 * java/jvspec.c: Ditto.
15868 * java/jcf-write.c: Ditto.
15869 * java/jcf-path.c: Ditto.
15870 * java/gjavah.c: Ditto.
15871 * java/zextract.c: Ditto.
15872 * java/jcf-io.c: Ditto.
15873 * java/jcf.h: Ditto.
15874 * java/buffer.c: Ditto.
15875 * java/lang.c: Ditto.
15876 * java/parse-scan.y: Ditto.
15877 * java/lex.c: Ditto.
15878 * java/lex.h: Ditto.
15879 * cfgloopmanip.c: Ditto.
15880 * postreload-gcse.c: Ditto.
15881 * tree-ssa-loop-manip.c: Ditto.
15882 * postreload.c: Ditto.
15883 * tree-ssa-loop-ch.c: Ditto.
15886 * cppspec.c: Ditto.
15887 * diagnostic.c: Ditto.
15889 * genoutput.c: Ditto.
15891 * cfghooks.c: Ditto.
15892 * cfgloopanal.c: Ditto.
15893 * objc/objc-act.c: Ditto.
15895 * genextract.c: Ditto.
15896 * genautomata.c: Ditto.
15897 * pretty-print.c: Ditto.
15898 * genemit.c: Ditto.
15899 * cgraphunit.c: Ditto.
15901 * df-scan.c: Ditto.
15902 * haifa-sched.c: Ditto.
15903 * dominance.c: Ditto.
15905 * tree-ssa-loop-ivopts.c: Ditto.
15906 * df-core.c: Ditto.
15907 * mode-switching.c: Ditto.
15908 * modulo-sched.c: Ditto.
15910 * ipa-pure-const.c: Ditto.
15912 * fix-header.c: Ditto.
15914 * tree-stdarg.c: Ditto.
15915 * ipa-utils.c: Ditto.
15916 * loop-init.c: Ditto.
15917 * ipa-inline.c: Ditto.
15918 * cfganal.c: Ditto.
15920 * alloc-pool.c: Ditto.
15921 * dwarf2out.c: Ditto.
15923 * genattrtab.c: Ditto.
15924 * tree-ssa-loop-ivcanon.c: Ditto.
15925 * predict.c: Ditto.
15926 * timevar.c: Ditto.
15928 * fortran/gfortranspec.c: Ditto.
15929 * regmove.c: Ditto.
15930 * local-alloc.c: Ditto.
15931 * langhooks.c: Ditto.
15932 * function.c: Ditto.
15933 * tree-vectorizer.c: Ditto.
15935 * ipa-type-escape.c: Ditto.
15937 * tree-if-conv.c: Ditto.
15938 * profile.c: Ditto.
15940 * tree-data-ref.c: Ditto.
15941 * loop-unroll.c: Ditto.
15942 * treelang/treetree.c: Ditto.
15944 * bt-load.c: Ditto.
15945 * ggc-common.c: Ditto.
15947 * coverage.c: Ditto.
15949 * tree-cfgcleanup.c: Ditto.
15950 * tree-ssa-pre.c: Ditto.
15951 * cfgcleanup.c: Ditto.
15952 * loop-invariant.c: Ditto.
15953 * loop-iv.c: Ditto.
15954 * ipa-prop.c: Ditto.
15955 * print-tree.c: Ditto.
15956 * conflict.c: Ditto.
15957 * ggc-page.c: Ditto.
15958 * sched-deps.c: Ditto.
15959 * regclass.c: Ditto.
15960 * tree-object-size.c: Ditto.
15961 * combine.c: Ditto.
15962 * bb-reorder.c: Ditto.
15963 * resource.c: Ditto.
15964 * var-tracking.c: Ditto.
15965 * cfgloop.c: Ditto.
15966 * df-problems.c: Ditto.
15967 * reg-stack.c: Ditto.
15969 * gccspec.c: Ditto.
15970 * sched-rgn.c: Ditto.
15971 * tree-ssa-structalias.c: Ditto.
15972 * tree-ssa-reassoc.c: Ditto.
15973 * config/darwin-c.c: Ditto.
15974 * config/darwin.c: Ditto.
15975 * config/arm/arm.c: Ditto.
15977 * collect2.c: Ditto.
15978 * reload1.c: Ditto.
15980 2006-01-31 Nicolas Pitre <nico@cam.org>
15982 * arm.md (smaxsi3): Make aware of smax_m1.
15985 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15987 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15989 2006-01-31 Richard Guenther <rguenther@suse.de>
15991 * doc/invoke.texi (-msselibm): Document.
15992 * target.h (expand_library_builtin): New target hook.
15993 * builtins.c (expand_builtin): Use expand_library_builtin.
15994 (default_expand_library_builtin): New function.
15995 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15996 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15997 (link_gcc_math_spec): Declare.
15998 (static_specs): Add link_gcc_math_spec.
15999 * expr.h (default_expand_library_builtin): Declare.
16000 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16001 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16002 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16003 * config/i386/i386.opt (msselibm): New target option.
16004 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16005 (ix86_init_sse_abi_builtins): New function.
16006 (ix86_expand_library_builtin): Likewise.
16007 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16008 (override_options): Handle error conditions wrt -msselibm.
16009 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16010 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16011 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16014 2006-01-31 Richard Guenther <rguenther@suse.de>
16015 Paolo Bonzini <bonzini@gnu.org>
16017 * doc/install.texi (--disable-libgcc-math): Document.
16019 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16021 * expr.h (expand_normal): new inline function.
16022 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16023 * dojump.c: use it.
16024 * dwarf2out.c: use it.
16027 * expmed.c: use it.
16028 * except.c: use it.
16029 * config/sparc/sparc.c: use it.
16030 * config/i386/i386.c: use it.
16031 * config/rs6000/rs6000.c: use it.
16032 * config/arm/arm.c: use it.
16033 * config/mips/mips.c: use it.
16034 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16036 2006-01-30 Roger Sayle <roger@eyesopen.com>
16038 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16039 argv to the appropriate type.
16041 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16043 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16046 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16049 * config/s390/s390.c (struct machine_function): New flag
16050 decomposed_literal_pool_addresses_ok_p.
16051 (s390_reorg): Set it before final stage of literal pool transforms.
16052 (s390_decompose_address): Only accept displacements of the form
16053 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16055 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16057 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16058 the comparison routine return.
16060 2006-01-30 Michael Matz <matz@suse.de>
16062 * global.c (find_reg): Only evict for global regs.
16063 Take n_refs into account and dump more info.
16065 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16068 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16069 (pragma_trap, pragma_nosave_low_regs): Likewise.
16070 (current_function_anonymous_args): Likewise.
16071 (sh_deferred_function_attributes): New variable.
16072 (sh_deferred_function_attributes_tail): Likewise.
16073 (print_operand): For '@', look up trap_exit attribute.
16074 (calc_live_regs): Look up trapa_handler attribute. For trapa
16075 handlers, save/restore fpscr, but don't do any other
16076 interrupt-specific saves.
16077 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16078 Fix check for partially saved registers to check for SHmedia.
16079 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16080 (sh_output_function_epilogue): Don't clear any of the removed
16082 (sh_insert_attributes): Don't check pragma_interrupt.
16083 Insert deferred attributes. Check that interrupt attribute is
16084 present for other attributes that require its presence.
16085 (sh_attribute_table): Add new attributes trapa_handler and
16087 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16088 Don't check for pragma_interrupt. Don't store argument.
16089 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16090 (sh_deferred_function_attributes): Declare.
16091 (sh_deferred_function_attributes_tail): Likewise.
16092 * sh.md (sp_switch_1): Add operand. Change generator caller.
16093 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16094 (*return_i): Don't use when trap_exit attribute is in effect.
16095 (*return_trapa): New insn pattern.
16096 * sh-c.c: New file.
16097 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16098 setting c_target_objs and cxx_target_objs.
16099 * t-sh: Add rule for sh-c.o.
16101 2006-01-30 Richard Guenther <rguenther@suse.de>
16104 * gimplify.c (gimplify_target_expr): Handle easy cases
16105 without creating a temporary.
16107 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16109 * vec.h (safe_grow): Remove duplicated line.
16111 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16114 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16115 (expand_omp): ... here.
16116 (expand_omp_parallel): Only remove barriers for combined
16117 parallel+workshare constructs.
16119 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16123 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16124 * tree.c (build_qualified_type): Chain the new type to the original
16125 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16126 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16127 (build_pointer_type_for_mode): Only return unqualified types.
16128 (build_reference_type_for_mode): Likewise.
16130 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16132 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16133 * Makefile.in (CXX_COMPAT_WARN): Define.
16134 * configure: Regenerate.
16136 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16139 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16142 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16144 * toplev.c: Fix thinko.
16146 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16147 Marcin Dalecki <martin@dalecki.de>
16149 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16150 (push_srcloc): Use XNEW.
16151 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16153 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16155 * df-core.c (df_set_blocks): Deleted all variable.
16157 2006-01-28 Ian Lance Taylor <ian@airs.com>
16159 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16160 cgraph_output_pending_asms.
16162 2006-01-28 Zack Weinberg <zackw@panix.com>
16164 * c.opt: Add -W(no-)overlength-strings.
16165 * doc/invoke.texi: Document it.
16166 * c-opts.c (c_common_handle_option): -pedantic implies
16167 -Woverlength-strings, if not explicitly disabled already.
16168 (c_common_post_options): -Woverlength-strings defaults to off, and
16169 is always off for C++.
16170 * c-common.c (fix_string_type): Issue warning about strings longer
16171 than is portable only if warn_overlength_strings. Rearrange code
16172 a little for clarity.
16173 * configure.in: Check for -Wno-overlength-strings as well before
16174 enabling -pedantic in stage 1.
16175 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16176 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16178 * genconditions.c (write_header, write_one_condition)
16179 (write_conditions, write_writer): Consolidate very long strings
16180 that were broken up to fit in C89 portable limit. Don't use
16181 printf when fputs will do.
16183 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16185 * combine.c (simplify_comparison <AND>): Check
16186 TRULY_NOOP_TRUNCATION before start using a subreg.
16188 * config/mips/mips.md (*branch_zero<mode>,
16189 *branch_zero<mode>_inverted, *branch_equality<mode>,
16190 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16191 Remove mode check from comparisons.
16193 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16195 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16197 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16199 * expmed.c (const_mult_add_overflow_p): Remove.
16200 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16202 * recog.c (validate_replace_rtx_subexp): Remove.
16203 * recog.h: Remove the prototype for
16204 validate_replace_rtx_subexp.
16206 * integrate.h: Remove the prototype for
16207 copy_decl_for_inlining.
16208 * rtl.h: Remove the prototype for mark_constant_function.
16209 * tree-vectorizer.h: Remove the prototype for
16210 vect_strip_conversion.
16212 * modulo-sched.c (create_partial_schedule,
16213 free_partial_schedule, reset_partial_schedule): Make them
16216 * hooks.c (hook_bool_rtx_int_false): Remove.
16217 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16219 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16221 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16222 and -mlong-double-128 are incompatible.
16223 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16224 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16225 (TARGET_LIBGCC2_CFLAGS): Define.
16226 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16227 (TARGET_LIBGCC2_CFLAGS): Same.
16228 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16230 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16233 * c-typeck.c (build_binary_op): Perform implicit casts of
16234 operands before shortening them.
16236 * cfgloopmanip.c (split_loop_bb): Remove.
16237 * cfgloop.h: Remove the prototype for split_loop_bb.
16239 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16240 * cfgloop.h: Remove the prototype for
16241 flow_loop_outside_edge_p.
16243 * emit-rtl.c (init_virtual_regs): Make it static.
16244 * function.h: Remove the prototype for init_virtual_regs.
16246 * recog.c (peephole2_optimize): Make it static.
16247 * recog.h: Remove the prototype for peephole2_optimize.
16249 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16251 * df-scan.c (df_record_entry_block_defs): Check if
16252 INCOMING_RETURN_ADDR_RTX is defined.
16254 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16255 Kenneth Zadeck <zadeck@naturalbridge.com>
16257 PR rtl-optimization/24762
16258 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16259 * targhooks.c (hook_void_bitmap): New hook prototype.
16260 * targhoohs.h (hook_void_bitmap): Ditto.
16261 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16262 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16263 * target.h (live_on_entry): New function pointer.
16264 * df-scan.c (df_all_hard_regs): Removed.
16265 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16266 (df_scan_free_internal): Added df->entry_block_defs.
16267 (df_scan_alloc): Ditto.
16268 (df_scan_dump): Ditto.
16269 (df_uses_record): Plumbed flag field properly thru calls.
16270 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16271 This part fixes PR24762.
16272 (df_bb_refs_record): Added code to make the frame and arg
16273 pointers live in EH blocks.
16274 (df_refs_record): Added call to df_record_entry_block_defs.
16275 (df_record_entry_block_defs): New function.
16276 * df-core.c: Added comments to describe new artifical defs.
16277 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16278 (entry_block_defs): New field in struct df.
16279 (df_all_hard_regs): Deleted.
16280 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16281 * df-problems.c (df_ru_bb_local_compute_process_def):
16282 Added code to handle artifical defs in the entry to a function.
16283 (df_ru_bb_local_compute): Ditto.
16284 (df_rd_bb_local_compute_process_def): Ditto.
16285 (df_rd_bb_local_compute): Ditto.
16286 (df_lr_bb_local_compute): Ditto.
16287 (df_ur_bb_local_compute): Ditto.
16288 (df_urec_bb_local_compute): Ditto.
16289 (df_chain_create_bb): Ditto.
16290 (df_ur_local_finalize): Removed entry.
16291 (df_urec_init): Ditto.
16292 (df_urec_local_finalize): Ditto.
16293 (df_ri_bb_compute): Added detection of last use of pseudos.
16294 * Makefile.in (df-scan.o): Updated dependencies.
16295 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16296 * config/mips/mips.c (mips_set_live_on_entry): Added.
16297 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16299 * dce.c (marked_insn_p): Added code to handle artifical defs.
16301 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16303 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16305 (_mm_cvtsi128_si64): Likewise.
16306 (_mm_cvtsd_si64): Likewise.
16307 (_mm_cvttsd_si64): Likewise.
16308 (_mm_cvtsi64_sd): Likewise.
16309 (_mm_cvtsi64_si128): Likewise.
16310 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16311 (_mm_cvtsi64_m64): Likewise.
16312 (_m_to_int64): Likewise.
16313 (_mm_cvtm64_si64): Likewise.
16314 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16315 (_mm_cvttss_si64): Likewise.
16316 (_mm_cvtsi64_ss): Likewise.
16317 (_mm_cvtss_f32): Likewise.
16319 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16321 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16322 for pragma redefine_extname.
16324 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16327 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16328 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16329 -mno-minimal-toc to previous content.
16330 (bispecs): Remove goal.
16331 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16332 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16333 compatibility aliases on powerpc-*-*gnu*.
16334 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16335 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16336 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16337 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16338 (ldblspecs): New goal.
16339 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16340 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16342 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16343 L_sf_to_tf or L_df_to_tf is defined.
16345 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16346 Alan Modra <amodra@bigpond.net.au>
16349 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16350 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16351 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16352 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16353 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16354 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16355 (rs6000_override_options): Initialize rs6000_ieeequad.
16356 Initialize TFmode format to ibm_extended_format if not
16358 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16360 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16361 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16362 (function_arg_advance): IBM long double passed in two FPRs, not
16364 (function_arg): IBM long double passed in FPRs.
16365 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16366 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16367 Only multireg GPR aligned.
16368 (rs6000_init_libfuncs): Enable IBM long double functions if not
16370 (rs6000_generate_compare): Use IBM long double compare if not
16372 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16373 (TARGET_IEEEQUAD): Define.
16374 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16375 not TARGET_IEEEQUAD.
16376 * config/rs6000/rs6000.md: Enable TFmode patterns if
16378 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16379 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16380 and -mlong-double-128 are incompatible.
16381 * doc/invoke.texi (-mabi): Collect options together. Add
16382 ibmlongdouble and ieeelongdouble.
16384 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16386 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16388 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16389 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16390 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16391 * rtl.h (rtunion_def): Remove rt_ptr.
16393 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16394 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16395 * config/i386/winnt.c (i386_pe_mark_dllexport)
16396 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16398 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16400 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16402 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16406 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16407 pthread_key_delete. From John David Anglin. gthrw-ify
16408 pthread_getunique_np only if it it's not a macro. Delete
16410 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16411 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16412 __gthread_objc_condition_signal, __gthread_key_delete): Add
16413 "__attribute__ ((__unused__))" to unused arguments.
16414 (__gthread_recursive_mutex_init_function): Add missing return.
16415 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16416 gthr-posix95.h: Use macro-based approach for name redirection
16417 on targets missing weakref.
16419 2006-01-26 Zack Weinberg <zackw@panix.com>
16421 * genconditions.c (write_header): In generated code, #ifdef out
16422 all includes and fake declarations, except includes of bconfig.h
16423 and system.h, unless GCC_VERSION >= 3001. Do not include
16424 gensupport.h in any case.
16425 (write_conditions): Generate a definition of struct c_test. Add
16426 a comment to the generated #endif.
16427 (write_one_condition): Escape backslashes in string too.
16428 (write_writer): Generated code must escape backslashes and quote
16429 marks (but not newlines) in the strings it writes.
16430 * Makefile.in (build/gencondmd.o): Update dependencies.
16432 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16435 * Makefile.in (insn-automata.o): Add header file dependencies.
16436 * genautomata.c: Add includes.
16438 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16441 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16443 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16445 * configure.ac: Expect target tools paths to be passed from the toplevel
16446 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16448 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16450 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16453 * c.opt (Wpointer-sign): Init to -1.
16454 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16455 OPT_pedantic, to 0 otherwise.
16456 * doc/invoke.texi: Update.
16458 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16460 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16461 constants provided by 80387 instructions in the destination mode.
16463 2006-01-26 Richard Guenther <rguenther@suse.de>
16464 Andrew Pinski <pinskia@physics.uc.edu>
16467 partial PR tree-opt/17064
16468 * tree-ssa-structalias.c (intra_create_variable_infos):
16469 Create heap variables for incoming parameters if
16470 flag_argument_noalias > 1.
16471 (find_what_p_points_to): Look through default defs of
16474 2006-01-26 Jeff Law <law@redhat.com>
16477 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16478 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16479 within the VR_RANGE, use the VR_RANGE as the result, not the
16481 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16482 bounds for the type.
16484 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16486 * tree-ssa-alias.c (maybe_create_global_var): Change
16487 subvar walking to an assertion that we don't have subvar'd variables.
16489 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16492 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16493 Use a new variable, inner. PARM_DECLs are always non-weak.
16495 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16497 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16498 --disable-checking.
16500 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16502 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16504 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16506 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16507 (smax_insn, smin_insn, smax_0, smin_0): New.
16509 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16512 * config/cris/cris.c (cris_order_for_addsi3): New function.
16513 * config/cris/cris-protos.h: Prototype it.
16514 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16515 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16516 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16517 (split for "op.S1 [rx=rx+i],ry (swapped)")
16518 (split for "op(s|u).S1 [rx=rx+i],ry")
16519 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16520 Apply cris_order_for_addsi3 when generating addsi3 insns.
16522 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16524 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16525 (TREE_BLOCK): Add call to EXPR_CHECK.
16527 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16530 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16531 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16532 (dump_omp_clauses): ... here.
16533 (dump_generic_node): Handle OMP_CLAUSE.
16534 * tree.c (omp_clause_num_ops): New.
16535 (omp_clause_code_name): New.
16536 (tree_code_size): Handle OMP_CLAUSE.
16537 (tree_size): Likewise.
16538 (make_node): Document handling of OMP_CLAUSE.
16539 (tree_node_structure): Handle OMP_CLAUSE.
16540 (omp_clause_check_failed): New.
16541 (omp_clause_range_check_failed): New.
16542 (omp_clause_operand_check_failed): New.
16543 (build_omp_clause): New.
16544 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16545 * tree.h (enum omp_clause_code): Declare.
16546 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16547 (OMP_CLAUSE_RANGE_CHECK): Define.
16548 (OMP_CLAUSE_ELT_CHECK): Define.
16549 (omp_clause_check_failed): Declare.
16550 (omp_clause_operand_check_failed): Declare.
16551 (omp_clause_range_check_failed): Declare.
16552 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16553 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16554 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16555 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16556 (OMP_CLAUSE_IF_EXPR): Likewise.
16557 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16558 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16559 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16560 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16561 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16562 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16563 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16564 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16565 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16566 (OMP_CLAUSE_CODE): Define.
16567 (OMP_CLAUSE_SET_CODE): Define.
16568 (OMP_CLAUSE_CODE): Define.
16569 (OMP_CLAUSE_OPERAND): Define.
16570 (struct tree_omp_clause): Declare.
16571 (union tree_node): Add field 'omp_clause'.
16572 * treestruct.def (TS_OMP_CLAUSE): Define.
16573 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16574 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16575 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16576 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16577 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16578 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16579 (OMP_CLAUSE): Define.
16580 * print-tree.c (print_node): Handle OMP_CLAUSE.
16581 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16582 * c-typeck.c: Likewise.
16583 * gimplify.c: Likewise.
16584 * c-omp.c: Likewise.
16585 * tree-nested.c: Likewise.
16586 * tree-inline.c: Likewise.
16587 * c-parser.c: Likewise.
16588 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16591 2006-01-25 Roger Sayle <roger@eyesopen.com>
16593 PR rtl-optimization/25703
16594 * combine.c (try_combine): Handle zero_extract and strict_low_part
16595 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16597 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16599 * global.c: Fix comment typos.
16601 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16604 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16605 Use output_addr_const instead of assemble_name.
16607 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16609 * Makefile.in (sched-vis.o): Update dependencies.
16610 * haifa-sched.c (sched_finish): Clear current_sched_info.
16611 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16612 (dump_flow_info): Call it.
16613 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16615 * basic-block.h (dump_bb_info): Declare.
16616 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16617 option, and apply options only for dump files whose TDF_RTL,
16618 TDF_TREE, or TDF_IPA bits match.
16619 * rtl.h: Declare new functions exported from sched-vis.c.
16620 * sched-vis.c: Enable also if scheduling is not used.
16621 (print_value): Print the mode of registers if not inside scheduling.
16622 (print_insn): Make it work outside the scheduler. Beautify the output
16624 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16626 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16628 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16629 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16630 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16631 depending on the value of CONSTANT_POOL_ADDRESS_P.
16632 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16634 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16635 rather than SYMBOL_REF_DECL.
16636 (rtx_constant_pool): Remove const_rtx_sym_htab.
16637 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16638 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16639 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16640 Remove handling of const_rtx_sym_htab.
16641 (find_pool_constant): Delete.
16642 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16643 rather than find_pool_constant.
16644 (get_pool_constant_for_function): Delete.
16645 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16646 find_pool_constant.
16647 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16648 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16649 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16650 (SYMBOL_REF_CONSTANT): New macro.
16651 (get_pool_constant_for_function): Delete.
16652 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16653 rather than SYMBOL_REF_DECL.
16654 (i386_pe_mark_dllimport): Likewise.
16655 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16656 rather than SYMBOL_REF_DECL.
16657 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16658 (machopic_indirect_call_target): Likewise.
16660 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16662 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16664 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16666 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16668 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16670 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16672 2006-01-24 David Daney <ddaney@avtrex.com>
16675 * configure.ac (enable_tls): New enable option.
16676 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16677 * configure: Regenerate.
16678 * doc/install.texi (--enable-tls): Document new option.
16679 (--disable-tls): Ditto.
16681 2006-01-24 Richard Henderson <rth@redehat.com>
16683 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16684 * alias.c (true_dependence): Respect it.
16685 (canon_true_dependence, write_dependence_p): Likewise.
16686 * builtins.c (get_builtin_sync_mem): Set it.
16688 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16690 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16693 2006-01-24 DJ Delorie <dj@redhat.com>
16695 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16696 for storing constants in single-bit bitfields.
16698 2006-01-25 Ben Elliston <bje@au.ibm.com>
16700 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16702 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16705 * tree-ssa-pre.c (phi_translate): Return NULL
16706 for AGGREGATE_TYPE's.
16708 2006-01-24 Zack Weinberg <zackw@panix.com>
16710 * genautomata.c (process_state_for_insn_equiv_partition):
16711 Use xcalloc for insn_arcs_array.
16712 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16713 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16715 2006-01-24 Richard Henderson <rth@redhat.com>
16717 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16718 update all callers.
16720 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16722 PR rtl-optimization/25890
16723 PR rtl-optimization/25905
16724 * combine.c (expand_compound_operation, expand_field_assignment):
16725 Fail if the bitfield's final position is out of bounds.
16727 2006-01-24 Ian Lance Taylor <ian@airs.com>
16729 PR middle-end/25930
16730 * cgraphunit.c (cgraph_output_in_order): Don't clear
16731 cgraph_asm_nodes until after asm strings have been output.
16733 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16735 * fix-header.c (read_scan_file): Add new parameter imultilib when
16736 calling register_include_chains.
16738 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16740 * omp-low.c: Update documentation.
16742 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16743 Daniel Berlin <dberlin@dberlin.org>
16747 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16748 return from the function.
16750 2006-01-22 Zack Weinberg <zackw@panix.com>
16752 * rtl.def (match_code): Add second argument.
16753 * genpreds.c (write_extract_subexp): New function.
16754 (write_match_code): Add path argument. Use write_extract_subexp.
16755 (write_predicate_expr): Pass path to write_match_code.
16756 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16757 not perform a mode test.
16758 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16759 a subexpression does not constrain the top-level code set.
16760 * read-rtl.c (read_rtx_variadic): New function.
16761 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16762 * doc/md.texi: Document new notation.
16763 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16764 (cmpsi_operand): ... here, using new notation.
16766 2006-01-22 Zack Weinberg <zackw@panix.com>
16768 * varray.c: Remove GENERATOR_FILE #ifdefs.
16770 2006-01-22 Zack Weinberg <zackw@panix.com>
16772 * genautomata.c (output_reserved_units_table): Emit nothing if
16773 description->query_units_num is zero. Remove extra blank line.
16774 (output_cpu_unit_reservation_p): Short circuit
16775 if description->query_units_num is zero.
16777 2006-01-22 Zack Weinberg <zackw@panix.com>
16779 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16780 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16781 nor any of the random handful of variables that used to be necessary
16782 when this program was linked with rtlanal.o. Prune set of forward
16783 function declarations.
16784 (struct attr_desc): Remove static_p field.
16785 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16786 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16787 (attr_string): Do not read the character one past the length of
16789 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16790 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16791 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16792 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16793 (make_automaton_attrs): New.
16794 (main): Do not call into genautomata. Call local gen_bypass
16795 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16796 Remove special case for insn_alts.
16797 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16798 varray.h (leftover from previous change). Prune set of forward
16799 function declarations. Remove state_alts fields from all
16800 structures. Remove state_alts_table from struct automaton.
16801 Make everything except main static. Do not maintain num_dfa_decls.
16802 Do not maintain state_alts fields of various structures.
16803 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16804 (add_arc): Remove state_alts argument. All callers updated.
16805 (output_reserved_units_table): Emit #ifdef here...
16806 (output_tables): ...not here. Don't generate state_alts tables.
16807 (expand_automata): Don't generate attributes.
16808 (write_automata): Don't generate state_alts functions.
16809 (main): New function.
16810 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16811 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16812 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16813 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16814 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16815 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16816 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16817 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16819 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16820 * genattrtab.h: Delete file.
16821 * Makefile.in (OBJS-common): Add insn-automata.o.
16822 (insn-automata.o): New rule.
16823 (simple_generated_c): Add insn-automata.c.
16824 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16825 (genprogmd): Add automata.
16826 (build/genattrtab): Needs no extra objects nor libraries.
16827 (build/genautomata): Needs build/vec.o and -lm.
16829 2006-01-22 Zack Weinberg <zackw@panix.com>
16831 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16832 (output_dfa_max_issue_rate, locked_states_num): Delete.
16833 (struct automaton): Add locked_states field.
16834 (output_dead_lock_vect): Save number of locked states in
16835 automaton->locked_states. If it is zero, don't print anything.
16836 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16837 (output_internal_dead_lock_func): Only test the dead_lock_vect
16838 for automata that have locked states.
16839 (output_statistics): Always print the number of locked states for
16840 each automaton. Calculate total number of locked states here.
16841 (write_automata): Don't call output_dfa_max_issue_rate.
16842 * genattrtab.c: Define length_unit_log as a const variable.
16843 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16844 max_insn_queue_index const.
16845 * final.c (length_unit_log): Declare const.
16846 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16848 2006-01-22 Zack Weinberg <zackw@panix.com>
16850 * genautomata.c: Include vec.h, not varray.h.
16851 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16852 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16853 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16854 VEC_* macros operating on appropriately typed vectors, or to
16855 malloced arrays when the size is known in advance. Const-ify
16856 many char* variables and function arguments. No functional changes.
16857 * Makefile.in (build/varray.o): Delete rule.
16858 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16859 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16861 2006-01-22 Zack Weinberg <zackw@panix.com>
16863 * gensupport.c: Define get_insn_name and record_insn_name here.
16864 (read_md_rtx): Call record_insn_name as appropriate.
16865 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16866 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16867 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16869 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16870 (BUILD_VARRAY): Delete.
16871 (genprognormal): Rename genprogmd. Fold in all programs from
16872 genprognoprint; also attrtab.
16873 (build/genattrtab): Just mention genautomata.o and varray.o.
16874 Reorganize a bit, add comments to make the categories clearer.
16876 2006-01-22 Zack Weinberg <zackw@panix.com>
16878 * genconditions.c (condition_table, add_condition): Delete.
16879 (write_conditions): Don't emit n_insn_conditions nor
16880 insn_elision_unavailable. Issue the gcc version #ifdef here,
16881 inside the table, with no #else clause ...
16882 (write_header): ...not here.
16883 (write_writer): New function.
16884 (main): Don't initialize condition_table. Use add_c_test.
16886 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16887 files on the command line.
16888 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16889 Return -1 if there is no entry in the table, don't abort.
16890 (add_c_test, traverse_c_tests): New functions.
16891 * gensupport.h (insn_elision_unavailable, insn_conditions)
16892 (n_insn_conditions): Delete declarations.
16893 (add_c_test, traverse_c_tests): Declare.
16894 * read-rtl.c: Include gensupport.h.
16895 (read_conditions): New function.
16896 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16897 (read_rtx_1): If we get EOF when we were looking for an initial
16898 open paren, return 0. Call read_conditions when appropriate.
16899 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16900 dummy-conditions.o. Eliminate references to insn-conditions.o,
16901 or change them to build/gencondmd.o, as appropriate. Remove
16902 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16903 from $(simple_generated_c). For all files remaining in those
16904 two lists, add insn-conditions.md to the generator command line.
16905 Give insn-constants.h/s-constants their own rules. Add rules
16906 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16907 (build/read-rtl.o): Depend on gensupport.h.
16908 (genprognormal): Include preds.
16909 (genprogearly): Rename genprognoprint; only difference is now that
16910 they don't link with $(BUILD_PRINT).
16911 * dummy-conditions.c: Delete.
16913 2006-01-22 Zack Weinberg <zackw@panix.com>
16915 * genextract.c: Don't include insn-config.h. Do include vec.h.
16916 Declare vectors of int, char, and locstr.
16917 (locstr): New typedef.
16918 (struct extraction): Make all array fields into bare pointers.
16919 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16920 (insn_code_number): Delete.
16921 (accum_extract): New struct.
16922 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16923 (gen_insn): Take insn_code_number as an argument. Use an
16924 accum_extract structure instead of loading data directly into
16925 a struct extraction, and having to know how big it might get.
16926 (walk_rtx): Operate entirely on an accum_extract structure.
16927 (print_path): Avoid unnecessary use of printf.
16928 (print_header): New function, split out of main. Distinguish
16929 more carefully between an unrecognizable insn and an insn that
16930 has the code number of a define_expand.
16931 (main): Pass insn_code_number to gen_insn. Call print_header
16932 only after parsing. Avoid unnecessary use of printf.
16933 * Makefile.in (build/vec.o): New rule.
16934 (build/genextract): Depend on build/vec.o.
16935 (build/genextract.o): Don't depend on insn-config.h.
16937 2006-01-22 Zack Weinberg <zackw@panix.com>
16939 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16940 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16941 practical. Eliminate per-generator-program link rules.
16943 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16945 PR middle-end/24437
16946 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16947 with a call expr to ...
16948 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16950 2006-01-23 Richard Guenther <rguenther@suse.de>
16952 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16953 before make_edge with conditional EDGE_TRUE_VALUE.
16955 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16956 Jan Hubicka <jh@suse.cz>
16957 Richard Guenther <rguenther@suse.de>
16959 PR rtl-optimization/25654
16960 * cfgexpand.c (aggregate_contains_union_type): New function.
16961 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16962 for structure variables that contain a union type.
16964 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16966 * gengtype.c (new_structure): Return the structure.
16967 (create_option): Add an extra "next" argument.
16968 (create_field): New function.
16969 (adjust_field_rtx_def): Use create_option and create_field.
16970 Remove a now-unnecessary call to find_structure.
16971 (adjust_field_tree_def): Likewise.
16972 (note_yacc_type): Remove an unnecessary call to find_structure.
16973 * gengtype.h (new_structure): Return the structure.
16974 (create_option): Add an extra argument.
16975 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16976 (option): Adjust calls to create_option.
16978 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16980 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16982 2006-01-22 Paul Brook <paul@codesourcery.com>
16983 Peter Barada <peter@the-baradas.com>
16985 * config/m68k/m68k.md: Add Coldfire FPU support.
16986 Define FP mode macro and associated attributes.
16987 Use it for float mode patterns.
16988 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16989 (LIBCALL_VALUE): Use m68k_libcall_value.
16990 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16991 (m68k_function_value): Ditto.
16992 (emit_move_sequence): Ditto.
16993 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16994 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16995 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16996 (MULTILIB_EXCEPTIONS): Ditto.
16997 * config/m68k/m68k.opt: Add mcfv4e.
16998 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16999 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17000 (m68k_output_function_prologue): Save ColdFire FPU registers.
17001 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17002 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17003 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17004 ColdFire FPU registers.
17005 (m68k_libcall_value, m68k_function_value): New functions.
17006 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17007 (LIBCALL_VALUE): Use m68k_libcall_value.
17008 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17009 (MASK_COLDFIRE): Add MASK_CFV4E.
17010 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17011 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17012 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17013 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17014 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17015 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17016 * doc/invoke.tex: Document -mcfv4e on m68k.
17018 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17020 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17023 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17026 * c-opts.c (c_common_handle_option): Don't include
17027 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17028 * doc/invoke.texi (C++ Dialect Options): Document that
17029 -Wnon-virtual-dtor is no longer included in -Wall.
17031 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17033 * gcov.c (print_version), gcov-dump.c (print_version),
17034 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17037 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17039 * df-scan.c (problem_SCAN): Added NULL reset function.
17040 (df_scan_reset_blocks): Added code to call reset block function
17041 (df_bb_refs_delete) Fixed comment.
17042 (df_insn_refs_delete): Made tolerant of deleting non existent info
17043 for dataflow problems that need to be reset.
17044 * df-core.c (df_set_blocks): Ditto.
17045 * df.h (struct df_problem): Added reset_fun.
17046 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17047 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17048 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17049 functions to clear out all references to def-use or use-def chains.
17051 2006-01-21 Ben Elliston <bje@au.ibm.com>
17053 * varasm.c (assemble_real): Initialise data array.
17055 2006-01-20 Paul Brook <paul@codesourcery.com>
17057 Merge from csl-arm-branch.
17058 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17059 * config/arm/arm.md (movdi): Force operands[1] to a register
17060 if we have a non-register source.
17061 (*arm_movdi, *movdf_soft_insn): Require that one of the
17062 operands be a register.
17063 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17064 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17066 2006-01-20 DJ Delorie <dj@redhat.com>
17068 * varasm.c (initializer_constant_valid_p): Allow pointers
17069 initialized from integer constants of lesser precision.
17070 (output_constant): Allow non-int-sized pointer modes to be
17071 initialized from integer constants.
17073 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17076 * cppdefault.h (struct default_include): Add multilib flag.
17077 * cppdefault.c (cpp_include_defaults): Set it.
17078 * c.opt (-imultilib): New option.
17079 * c-opts.c (imultilib): New.
17080 (c_common_handle_option): Handle -imultilib.
17081 (c_common_post_options): Likewise.
17082 * c-incpath.c (add_standard_paths, register_include_chains):
17084 * c-incpath.h (register_include_chains): Add extra parameter.
17085 * gcc.c (do_spec_1): Generate -imultilib option.
17086 (The Specs Language): Update %I description.
17087 (process_command): Update copyright notice.
17088 * doc/cppopts.texi (-imultilib): Document.
17089 * doc/invoke.texi (-imultilib): Include in option summary.
17090 (%I): Update specs documentation.
17092 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17094 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17096 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17098 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17101 2006-01-20 Richard Guenther <rguenther@suse.de>
17102 Steven Bosscher <stevenb.gcc@gmail.com>
17104 PR rtl-optimization/24626
17105 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17106 EDGE_TRUE_VALUE if in RTL mode.
17109 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17110 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17112 2006-01-20 Dirk Mueller <dmueller@suse.com>
17115 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17116 instead of a special NOP marker.
17117 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17118 NOP marker handling.
17119 * c-common.h (empty_body_warning): Add forward declaration.
17120 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17121 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17123 2006-01-20 Paul Brook <paul@codesourcery.com>
17125 * Makefile.in (lang_checks): Keep going if mkdir fails.
17127 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17129 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17130 be able to clean out basic block when not necessary.
17131 (df_scan_free): Fixed to properly delete information if df is
17132 unused before calling df_finish.
17133 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17134 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17136 (df_bb_refs_delete): New function.
17137 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17138 * df-core.c (df_set_blocks): Added code to properly clean out
17139 unused blocks if they are not part of the blocks to consider.
17140 Added additional null check.
17141 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17142 be able to clean out basic block when not necessary
17143 * df.h (df_free_bb_function): Ditto.
17144 (df_bb_refs_delete): New function.
17145 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17146 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17147 basic block parameter to be able to clean out basic block when not
17149 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17150 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17151 Fixed to properly delete information if df is unused before
17154 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17156 PR rtl-optimization/25799
17157 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17158 Corrected confluence operator to remove bits from op2 before oring
17159 with op1 rather than removing bits from op1.
17160 (df_ru_transfer_function): Corrected test on wrong bitmap which
17161 caused infinite loop. Both of these problems were introduced in
17162 the dataflow rewrite.
17164 2006-01-19 DJ Delorie <dj@redhat.com>
17166 * reload1.c (find_reload_regs): Note the details of reload
17167 failures in the dump file.
17168 (spill_failure): Likewise.
17170 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17172 * loop-iv.c: Include df.h and hashtab.h.
17173 (enum iv_grd_result): New enum.
17174 (DF_REF_IV, DF_REF_IV_SET): New macros.
17175 (struct biv_entry): New.
17176 (df, bivs): New global variables.
17177 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17178 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17180 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17181 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17182 analyzed_for_bivness_p, record_biv): New functions.
17183 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17184 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17185 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17187 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17189 (iv_number_of_iterations): Use new interface to iv analysis.
17190 * loop-unroll.c: Do not include varray.h.
17191 (analyze_iv_to_split_insn): Use new interface to iv
17193 * loop-unswitch.c (may_unswitch_on): Ditto.
17194 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17196 (df_bb_modify): Realloc tables to the new index.
17197 (df_find_use): New function.
17198 * df.h (df_find_use): Declare.
17199 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17201 * cfgloop.h (struct rtx_iv): Remove analysed field.
17202 (iv_get_reaching_def): Removed.
17203 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17204 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17205 (loop-iv.o): Add df.h and hashtab.h dependency.
17206 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17208 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17211 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17213 (__floatundisf, __floatundidf): Likewise.
17214 * libgcc2.h (IS_IBM_EXTENDED): Define.
17216 2006-01-19 DJ Delorie <dj@redhat.com>
17218 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17220 2006-01-19 Paul Brook <paul@codesourcery.com>
17222 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17223 as nothrow when unwinding tables are disabled.
17225 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17228 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17229 of bit-field" when in system header.
17231 2006-01-19 DJ Delorie <dj@redhat.com>
17233 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17234 the 16 bit shift limit of the m16c.
17236 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17239 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17240 * config/i386/i386.c (output_set_got): Output the label if we have one
17241 for the TARGET_DEEP_BRANCH_PREDICTION case.
17243 2006-01-19 Jan Hubicka <jh@suse.cz>
17244 H.J. Lu <hongjiu.lu@intel.com>
17245 Evandro Menezes <evandro.menezes@amd.com>
17247 * invoke.texi (generic): Document
17249 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17250 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17251 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17252 (x86_use_incdec, x86_pad_returns): New variables
17253 (TARGET_CPU_DEFAULT_generic): New constant
17254 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17255 (enum processor_type): Add generic32 and generic64.
17256 * i386.md (cpu attribute): Add generic32/generic64
17257 (movhi splitter): Behave sanely when both partial_reg_dependency and
17258 partial_reg_stall are set.
17259 (K8 splitters): Enable for generic as well.
17260 * predicates.md (incdec_operand): Use TARGET_INCDEC
17261 (aligned_operand): Avoid memory mismatch stalls.
17262 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17263 * ppro.md: Enable for generic32
17264 * i386.c (generic64_cost, generic32_cost): New.
17265 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17266 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17267 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17268 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17269 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17270 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17271 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17272 x86_accumulate_outgoing_args, x86_prologue_using_move,
17273 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17274 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17275 Enable for generic.
17276 (x86_use_incdec, x86_pad_returns): New.
17277 (override_options): Add generic32 and generic64, translate "generic"
17278 to generic32/generic64 and "i686" to "generic32", refuse
17279 "generic32"/"generic64" as arch target.
17280 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17281 (ix86_reorg): Honor PAD_RETURNS.
17283 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17285 * tree-pretty-print.c (dump_generic_node): Handle
17286 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17287 * cgraph.c (cgraph_expand_queue): Rename from
17288 cgraph_analyze_queue. Update all users.
17289 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17290 cgraph_expand_queue.
17291 (cgraph_expand_all_functions): Likewise.
17292 (cgraph_finalize_pending_functions): Remove. Update callers.
17294 * tree.h (OMP_DIRECTIVE_P): Define.
17295 (OMP_PARALLEL_FN): Define.
17296 (OMP_PARALLEL_DATA_ARG): Define.
17297 (OMP_SECTIONS_SECTIONS): Define.
17298 * tree-pass.h (pass_expand_omp): Declare.
17299 * omp-low.c (struct omp_region): Declare.
17300 (struct omp_context): Remove fields 'parallel_type',
17301 'parallel_start_ix' and 'parallel_start_additional_args'.
17303 (struct omp_for_data): Rename from struct expand_omp_for_data.
17304 (omp_regions): New static variable.
17305 (root_omp_region): New static variable.
17306 (find_omp_clause): Make static.
17307 (is_in_combined_parallel_ctx): Remove.
17308 (is_combined_parallel): New.
17309 (extract_omp_for_data): Move earlier in the file.
17310 (workshare_safe_to_combine_p): New.
17311 (get_ws_args_for): New.
17312 (determine_parallel_type): Move earlier in the file.
17313 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17315 (omp_copy_decl): Likewise.
17316 (create_omp_child_function): Likewise.
17317 (lookup_omp_region): New.
17318 (dump_omp_region): New.
17319 (debug_omp_region): New.
17320 (debug_all_omp_regions): New.
17321 (new_omp_region): New.
17322 (scan_omp_parallel): If parallel_nesting_level > 1, the
17323 directive is nested within another parallel directive.
17324 Set OMP_PARALLEL_FN.
17325 (scan_omp_for): Do not try to handle combined parallel+for
17327 Remove FIXME comment.
17328 (scan_omp_nested): Remove.
17329 (scan_omp_1): Do not call scan_omp_nested when
17330 parallel_nesting_level is > 1.
17331 Do not change the DECL_CONTEXT of local variables found.
17332 (lookup_decl_in_outer_ctx): New.
17333 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17334 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17335 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17336 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17337 If CTX is nested, lookup VAR in the outer context when
17338 building copy assignment.
17339 (lower_send_clauses): Rename from expand_send_clauses.
17340 If CTX is nested, lookup VAR in the outer context when
17341 building copy assignments.
17342 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17343 If CTX is nested, lookup VAR in the outer context when
17344 building copy assignments.
17345 (expand_parallel_call): Rename from build_parallel_call.
17346 Handle combined parallel+workshare cases.
17347 Re-implement to emit code into the CFG.
17349 (expand_omp_parallel): Re-implement to emit code into the CFG.
17350 Call move_sese_region_to_fn to outline the sub-graph
17351 containing the parallel region.
17352 (expand_omp_for_1): Remove.
17353 (expand_omp_for_generic): Re-implement to emit code into the
17355 (expand_omp_for_static_nochunk): Likewise.
17356 (expand_omp_for_static_chunk): Likewise.
17357 (expand_omp_for): Likewise.
17358 (expand_omp_sections): Likewise.
17359 (remove_exit_barriers): New.
17360 (expand_omp_synch): New.
17362 (build_omp_regions_1): New.
17363 (build_omp_regions): New.
17364 (execute_expand_omp): New.
17365 (gate_expand_omp): New.
17366 (pass_expand_omp): Define.
17367 (lower_omp_sections): Rename from expand_omp_sections.
17368 Set OMP_SECTIONS_SECTIONS.
17369 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17370 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17371 (lower_omp_single): Rename from expand_omp_simple.
17372 (lower_omp_master): Rename from expand_omp_master.
17373 (lower_omp_ordered): Rename from expand_omp_ordered.
17374 (lower_omp_critical): Rename from expand_omp_critical.
17375 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17376 (lower_omp_for): Re-implement.
17377 (lower_omp_parallel): Re-implement.
17378 (lower_regimplify): Rename from expand_regimplify.
17379 (lower_omp_1): Rename from expand_omp_1.
17380 If there are syntax errors in the program, replace every
17381 OpenMP directive with NOP.
17382 Call lower_omp_* instead of expand_omp_*.
17383 (lower_omp): Rename from expand_omp.
17385 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17386 * tree-gimple.h (enum omp_parallel_type): Remove.
17387 (gimple_boolify): Declare extern.
17388 (find_omp_clause, determine_parallel_type): Remove.
17390 * gimple-low.c (lower_omp_directive): New.
17391 (lower_stmt): Call it.
17392 (record_vars_into): Move from ...
17393 (record_vars): ... here.
17394 Call record_vars_into with current_function_decl.
17396 * gimplify.c (struct gimplify_ctx): Remove fields
17397 combined_pre_p and combined_ctxp. Update users.
17398 (get_formal_tmp_var): Add documentation.
17399 (gimple_boolify): Make extern.
17400 (gimplify_expr_in_ctx): Remove. Update callers.
17401 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17402 will always be a BIND_EXPR.
17403 (gimplify_expr): Handle OMP_RETURN_EXPR.
17404 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17405 (OMP_PARALLEL): Add 3 operands.
17406 (OMP_SECTIONS): Add 1 operand.
17407 (OMP_RETURN_EXPR): Define.
17409 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17410 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17411 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17412 creating a circular free list.
17413 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17415 * tree-flow.h (move_sese_region_to_fn): Declare.
17416 (record_vars_into): Declare.
17417 * tree-cfg.c (make_omp_sections_edges): New.
17418 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17419 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17420 OMP_SECTIONS and OMP_SECTION.
17421 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17422 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17423 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17424 (gather_blocks_in_sese_region): New.
17425 (struct move_stmt_d): Declare.
17426 (move_stmt_r): New.
17427 (move_block_to_fn): New.
17428 (move_sese_region_to_fn): New.
17430 * passes.c (init_optimization_passes): Schedule
17431 pass_expand_omp after pass_init_datastructures.
17433 * tree-ssa-operands.c (get_expr_operands): Handle
17434 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17435 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17437 2006-01-19 Jeff Law <law@redhat.com>
17439 * tree-vrp.c (extract_range_from_assert): Refine the result range
17440 if the variable referenced by the ASSERT_EXPR has a range and
17441 either the tentative result range or the previous range is a
17444 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17446 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17448 2006-01-19 Jan Hubicka <jh@suse.cz>
17450 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17452 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17454 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17455 (expand_compound_operation, expand_field_assignment): Fail if the
17456 bit lengths of an extract operation are out of range.
17457 (make_extraction): Compute wanted_inner_mode based on the position
17458 and length of the extraction. Make it extraction_mode for non-constant
17459 positions, and do not modify offset in that case. When generating a
17460 new MEM, use a mode that can hold the extraction while keeping correct
17461 alignment. Remove code that supported MEMs wrapped by USEs.
17462 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17464 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17466 * config/s390/s390.md ("Y", "y"): New mode attribute.
17467 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17468 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17469 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17470 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17471 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17472 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17473 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17474 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17475 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17476 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17477 "addsi3", "subsi3"): Insn patterns removed.
17478 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17479 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17480 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17481 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17482 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17483 "*sub<mode>3_cconly2"): New insn patterns.
17484 ("addsi3", "subsi3"): New expanders.
17486 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17488 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17489 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17490 existing STMT_VINFO_VECTYPE if available.
17491 (vect_mark_relevant): Add special handling for stmts that are
17492 marked as STMT_VINFO_IN_PATTERN_P.
17493 (vect_analyze_loop): Call vect_pattern_recog.
17494 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17495 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17497 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17498 (vect_recog_func_ptr): New function-pointer type.
17499 * tree-vect-patterns.c: New file.
17500 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17501 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17502 (vect_pattern_recog_1): New functions.
17503 (vect_pattern_recog_funcs): New array of function pointers.
17505 * tree-vectorizer.h (ternary_op): New enum value.
17506 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17507 declaration. Revised documentation. Removed redundant dump prints.
17508 Removed redundant argument. Added support for reduction patterns.
17509 (vectorizable_reduction): Added support for reduction patterns.
17510 (vect_transform_stmt): Added support for patterns.
17512 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17513 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17514 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17515 (expand_widen_pattern_expr): New function.
17516 (init_optabs): Initialize new optabs udot_prod_optab,
17518 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17519 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17520 (expand_widen_pattern_expr): New function declaration.
17521 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17523 * tree-inline.c (estimate_num_insns_1): Added cases for new
17524 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17525 * tree-pretty-print.c (dump_generic_node): Likewise.
17526 (op_prio): Likewise.
17527 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17528 * tree-ssa-operands.c (get_expr_operands): Added case for
17530 * tree-vect-patterns.c (widened_name_p): New function.
17531 (vect_recog_dot_prod_pattern): Added function implementation.
17532 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17533 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17534 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17535 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17537 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17538 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17539 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17540 (init_optabs): Initialize new optabs widen_ssum_optab,
17542 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17543 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17544 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17545 use instead of type of def.
17546 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17547 function implementation.
17548 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17549 widen_ssumv8hi): New.
17551 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17554 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17557 * c-decl.c (add_flexible_array_elts_to_size): New function.
17558 (finish_decl): Use it.
17560 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17562 * diagnostic.h: Include options.h.
17563 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17564 dependancies for diagnostic.h.
17565 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17567 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17569 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17570 (ssa_ro_call_cache_valid): Ditto.
17571 * tree-ssa-alias.c (sort_tags_by_id): New function.
17572 (init_transitive_clobber_worklist): Ditto.
17573 (add_to_worklist): Ditto.
17574 (mark_aliases_call_clobbered): Ditto.
17575 (compute_tag_properties): Ditto.
17576 (set_initial_properties): Ditto.
17577 (compute_call_clobbered): Ditto.
17578 (compute_may_aliases): Call compute_call_clobbered and grouping.
17579 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17580 (compute_flow_insensitive_aliasing): Grouping now happens in our
17582 (setup_pointers_and_addressables): Remove clobbering related code.
17583 (add_may_alias): Ditto.
17584 (replace_may_alias): Ditto.
17585 (get_nmt_for): Ditto.
17586 (create_global_var):
17587 (is_escape_site): Return an escape_type enumeration.
17588 * tree-flow-inline.h (is_call_clobbered): Global var does not
17589 imply call clobbered.
17590 (mark_call_clobbered): Take a reason for marking this. Remove
17591 marking of globalness, and cache invalidation.
17592 (clear_call_clobbered): Remove cache invalidation code.
17593 * tree-dfa.c (dump_variable): If details is on, dump the reason
17595 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17597 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17598 (struct var_ann_d): Ditto.
17599 (enum escape_type): New.
17600 (mark_call_clobbered): Adjust prototype.
17601 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17602 are never call clobbered.
17603 Record reasons for escaping.
17604 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17605 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17606 (ssa_ro_call_cache_valid): Ditto.
17607 (clobbered_v_may_defs): Ditto.
17608 (clobbered_vuses): Ditto.
17609 (ro_call_vuses): Ditto.
17610 (clobber_stats): New.
17611 (init_ssa_operands): Zero out clobber stats.
17612 (fini_ssa_operands): Print out clobber stats.
17613 (get_call_expr_operands): Pass callee fndecl to
17614 add_call_read_ops).
17615 (add_call_clobber_ops): Remove use of cache.
17616 Add use of PURE_CONST information.
17617 (add_call_read_ops): Remove use of cache.
17618 Add use of static not_read information.
17620 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17622 Introduce TLS descriptors for i386 and x86_64.
17623 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17624 (TARGET_ANY_GNU_TLS): New macro.
17625 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17626 (struct machine_function): Add tls_descriptor_call_expanded_p.
17627 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17628 (ix86_current_function_calls_tls_descriptor): Likewise.
17629 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17630 (override_options): Introduce gnu2 tls dialect.
17631 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17633 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17635 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17636 (ix86_init_machine_status): Initialize new field.
17637 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17638 (ix86_tls_module_base): New.
17639 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17640 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17641 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17642 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17643 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17644 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17645 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17646 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17647 * config/i386/predicates.md (tls_modbase_operand): New.
17648 (tp_or_register_operand): New.
17650 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17652 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17653 (look_for_address_of): Ditto.
17654 (ipa_init): Walk the function decls.
17655 (static_execute): Don't set readonly on FUNCTION_DECL's.
17657 2006-01-18 Roger Sayle <roger@eyesopen.com>
17659 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17660 for shifts where the source and destination registers are different.
17662 2006-01-18 Paul Brook <paul@codesourcery.com>
17664 Merge from csl-arm-branch.
17665 2005-03-14 Julian Brown <julian@codesourcery.com>
17666 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17667 (aeabi_llsl): Likewise.
17668 (ashrdi3): Likewise.
17669 (aeabi_lasr): Likewise.
17670 (lshrdi3): Likewise.
17671 (aeabi_llsr): Likewise.
17672 2005-03-10 Julian Brown <julian@codesourcery.com>
17673 * config.gcc: Disable shared libgcc for SymbianOS.
17674 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17676 2006-01-18 DJ Delorie <dj@redhat.com>
17678 * c-pragma.c (handle_pragma_diagnostic): New.
17679 (init_pragma): Register it.
17680 * doc/extend.texi: Document it.
17682 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17683 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17684 (diagnostic_context): Add classify_diagnostic[].
17685 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17686 as errors if they're overridden to DK_WARNING.
17687 (diagnostic_initialize): Initialize classify_diagnostic[].
17688 (diagnostic_set_kind_override): New.
17689 (diagnostic_report_diagnostic): Check for kind changes.
17690 * opts.c (common_handle_option): Take lang_mask. Update callers.
17691 Handle OPT_Werror_.
17692 * common.opt (Werror=): New.
17693 * doc/invoke.texi: Document -Werror=*
17695 2006-01-18 Jeff Law <law@redhat.com>
17697 * tree-vrp.c (test_for_singularity): Correct test for new
17698 min limit. Use operand_equal_p rather than pointer equality
17699 for testing if new min/max values are equal.
17701 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17702 using range information until after propagation and folding.
17704 2006-01-18 Richard Henderson <rth@redhat.com>
17705 Aldy Hernandez <aldyh@redhat.com>
17706 Jakub Jelinek <jakub@redhat.com>
17707 Diego Novillo <dnovillo@redhat.com>
17709 * omp-low.c: New file.
17710 * c-omp.c: New file.
17712 2006-01-18 Richard Henderson <rth@redhat.com>
17713 Jakub Jelinek <jakub@redhat.com>
17714 Diego Novillo <dnovillo@redhat.com>
17716 * doc/invoke.texi: Document -fopenmp.
17717 * tree-dump.h (debug_function): Declare.
17718 * hooks.c (hook_bool_tree_bool_false): New function.
17719 (hook_tree_tree_null): Remove.
17720 (hook_tree_tree_tree_null): New.
17721 * hooks.h: Update to match.
17722 * tree-pretty-print.c (debug_tree_chain): New.
17723 (print_generic_expr): Handle TDF_CHAIN.
17724 (dump_generic_node): Handle BLOCK.
17725 Do not abort with incomplete SWITCH_EXPRs.
17726 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17727 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17728 print space after directive name.
17729 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17730 Handle OMP_MASTER and OMP_ORDERED.
17731 Handle printing of OMP_BODY just in one place, goto
17732 dump_omp_body in the rest of OMP_* nodes that have
17734 Don't handle clause nodes here. Update omp statements to
17735 use dump_omp_clauses.
17736 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17737 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17738 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17739 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17740 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17741 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17742 Adjust output for GOMP_PARALLEL.
17743 (dump_omp_clauses): New.
17744 (print_declaration): Dump DECL_VALUE_EXPR.
17745 (op_symbol_1): Split out of op_symbol.
17746 (dumping_stmts): Remove. Update all users.
17747 * cgraph.c (cgraph_analyze_queue): New.
17748 (cgraph_add_new_function): New.
17749 * cgraph.h (cgraph_analyze_queue): Declare.
17750 (cgraph_add_new_function): Declare.
17751 (cgraph_lower_function): Remove.
17752 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17753 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17754 and TYPE_P nodes in its default clause.
17755 (empty_body_p): New.
17756 (tree_range_check_failed): New.
17757 (build5_stat): New.
17758 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17759 OMP_CLAUSE_REDUCTION_MERGE,
17760 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17761 OMP_CLAUSE_PRIVATE_DEBUG,
17762 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17763 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17764 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17765 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17766 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17767 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17768 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17769 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17770 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17771 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17772 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17773 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17774 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17775 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17776 (TREE_RANGE_CHECK): New.
17777 (empty_body_p): Declare.
17778 (enum omp_clause_default_kind): New.
17779 (build_string_literal): Declare.
17780 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17781 (build5_stat, build5): Declare.
17782 * tree-pass.h (TDF_CHAIN): Define.
17783 * tree-pass.h (PROP_gimple_lomp): Define.
17784 (pass_lower_omp): Declare.
17785 * diagnostic.h (debug_tree_chain): Declare.
17786 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17788 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17789 * builtins.c (build_string_literal): Make extern.
17790 * gcc.c (include_spec_function): New.
17791 (static_spec_functions): Add it.
17792 (main): Move load of libgomp.spec ...
17793 (LINK_COMMAND_SPEC): ... here.
17794 (link_gomp_spec): New.
17795 (static_specs): Include it.
17796 (LINK_COMMAND_SPEC): Add link_gomp.
17797 (GOMP_SELF_SPECS): New.
17798 (driver_self_specs): Include it.
17799 (switch_matches): Don't mark inline.
17800 (main): Load libgomp.spec.
17801 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17802 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17803 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17804 * tree-gimple.h (enum omp_parallel): Declare.
17805 (determine_parallel_type): Declare.
17806 (omp_firstprivatize_variable): Declare.
17807 (omp_reduction_init): Declare.
17808 (diagnose_omp_structured_block_errors): Declare.
17809 (struct walk_stmt_info): Add want_return_expr.
17810 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17811 (find_omp_clause): Declare.
17812 (insert_field_into_struct): Declare.
17813 (struct walk_stmt_info): Move from tree-nested.c
17814 (walk_stmts): Declare.
17815 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17817 * cgraphunit.c (cgraph_lower_function): Make static.
17818 (cgraph_finalize_pending_functions): New.
17819 (cgraph_finalize_function): Call it.
17820 (cgraph_finalize_compilation_unit): Likewise.
17821 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17822 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17823 (BT_FN_UINT_UINT): New.
17824 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17825 DEF_FUNCTION_TYPE_VAR_4): Document.
17826 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17827 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17828 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17829 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17830 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17831 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17832 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17833 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17834 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17835 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17836 into separate files.
17837 (DEF_GOMP_BUILTIN): New.
17838 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17839 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17840 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17841 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17842 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17843 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17844 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17845 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17846 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17847 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17848 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17849 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17850 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17851 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17852 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17853 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17854 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17855 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17856 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17857 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17858 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17859 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17860 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17861 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17862 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17863 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17864 * sync-builtins.def: New file, moved from builtins.def.
17865 * omp-builtins.def: New file, moved from builtins.def.
17866 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17867 * gimple-low.c (lower_function_body): Clear data.
17868 (lower_stmt): Do not handle COMPOUND_EXPR.
17869 Remove call to print_node_brief.
17870 * c-tree.h (c_finish_omp_clauses): New prototype.
17871 (C_DECL_THREADPRIVATE_P): Define.
17872 (lookup_name_no_remap, c_omp_remap_private): Remove
17873 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17874 (check_for_loop_decls): Update decl.
17875 (lookup_name_no_remap, c_omp_remap_private): Declare.
17876 (build_indirect_ref, build_modify_expr, pushdecl,
17877 pushdecl_top_level): Move to c-common.h.
17878 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17879 before the switch, but just in the 2 places that need it.
17880 * c-decl.c (diagnose_mismatched_decls): Do not check for
17881 mismatched thread-local attributes when OLDDECL is marked
17882 threadprivate and NEWDECL has no thread-local attributes.
17883 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17884 (c_gimple_diagnostics_recursively): Rename from
17885 c_warn_unused_result_recursively. Invoke
17886 diagnose_omp_structured_block_errors.
17887 (check_for_loop_decls): Return a singular decl found.
17888 * langhooks.c (lhd_omp_predetermined_sharing): Return
17889 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17890 (lhd_omp_firstprivatize_type_sizes): New.
17891 (lhd_omp_assignment): New.
17892 (lhd_omp_predetermined_sharing): New.
17893 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17894 (struct lang_hooks_for_types): Add
17895 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17896 omp_predetermined_sharing, omp_disregard_value_expr,
17897 omp_private_debug_clause, omp_clause_default_ctor,
17898 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17899 (c_finish_omp_clauses): New.
17900 (c_finish_bc_stmt): Diagnose break within omp for.
17901 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17902 (build_unary_op): Return error_mark after reporting
17904 (build_modify_expr): Likewise.
17905 * gimplify.c: Include optabs.h and pointer-set.h.
17906 (enum gimplify_omp_var_data): Declare.
17907 (struct gimplify_omp_ctx): Declare.
17908 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17910 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17911 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17912 (splay_tree_compare_decl_uid): New.
17913 (new_omp_context): New.
17914 (delete_omp_context): New.
17915 (gimple_add_tmp_var): Call omp_add_variable.
17916 (gimplify_bind_expr): Likewise.
17917 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17918 true, disregard DECL_VALUE_EXPR on the decl if any.
17919 (gimplify_expr_in_ctx): New.
17920 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17921 omp_add_variable, omp_notice_variable, omp_is_private
17922 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17923 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17924 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17925 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17926 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17927 gimplify_omp_atomic): New.
17928 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17929 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17930 OMP_CRITICAL and OMP_ATOMIC.
17931 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17932 * c-pragma.h (enum pragma_kind): Add
17933 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17934 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17935 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17936 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17937 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17938 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17939 PRAGMA_OMP_THREADPRIVATE.
17940 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17941 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17942 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17943 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17944 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17945 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17946 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17947 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17948 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17949 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17950 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17951 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17952 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17954 (struct nesting_info): Add field_map,
17955 suppress_expansion, debug_var_chain.
17956 (create_nesting_tree): Initialize them.
17957 (lookup_field_for_decl): Use field_map.
17958 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17959 (convert_local_omp_clauses): New.
17960 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17961 (walk_body): Split out of walk_function.
17962 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17963 (convert_nonlocal_reference): Handle omp statements.
17964 (convert_local_reference): Likewise.
17965 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17966 (unnest_nesting_tree): New.
17967 (lower_nested_functions): Call it.
17968 (insert_field_into_struct): Make extern.
17969 (struct walk_stmt_info): Move to tree-gimple.h.
17970 (walk_stmts): Make extern.
17971 * omp-builtins.def: New file.
17972 * tree-iterator.c (expr_only): Clarify comment.
17973 * c-common.h (pushdecl_top_level, pushdecl,
17974 build_modify_expr, build_indirect_ref,
17975 c_finish_omp_master, c_finish_omp_critical,
17976 c_finish_omp_ordered, c_finish_omp_barrier,
17977 c_finish_omp_atomic, c_finish_omp_flush,
17978 c_finish_omp_for, c_split_parallel_clauses,
17979 omp_clause_default_kind, c_omp_sharing_predetermined,
17980 c_omp_remap_decl): Declare.
17981 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17982 (OBJS-common): Add omp-low.o.
17983 (c-omp.o, omp-low.o): Add.
17984 (gimplify.o): Add dependency on $(OPTABS_H).
17985 (GTFILES): Add omp-low.c.
17986 (gt-stringpool.h): Add.
17987 * tree-cfg.c (set_bb_for_stmt): Do not update the
17988 block-to-labels map if we are currently expanding to RTL.
17989 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17991 Handle IDENTIFIER_NODE.
17992 (tree_verify_flow_info): Do not ICE when emitting error
17993 messages about invalid labels.
17994 (dump_function_to_file): Reset CFUN before emitting the body
17996 (debug_function): New.
17997 * passes.c (init_optimization_passes): Schedule
17999 * langhooks-def.h (lhd_omp_predetermined_sharing,
18000 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18002 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18003 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18004 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18005 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18006 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18007 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18008 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18009 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18010 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18011 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18012 (LANG_HOOK_DECLS): Use them.
18014 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18015 Richard Henderson <rth@redhat.com>
18016 Jakub Jelinek <jakub@redhat.com>
18017 Diego Novillo <dnovillo@redhat.com>
18019 * c-parser.c (pragma_omp_clause): Define.
18020 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18021 (c_parser_compound_statement): Likewise.
18022 (c_parser_statement): Likewise.
18023 (c_parser_pragma): Handle omp pragmas.
18024 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18025 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18026 (c_parser_omp_clause_name, check_no_duplicate_clause,
18027 c_parser_omp_variable_list,
18028 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18029 c_parser_omp_clause_copyprivate,
18030 c_parser_omp_clause_default,
18031 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18032 c_parser_omp_clause_lastprivate,
18033 c_parser_omp_clause_nowait,
18034 c_parser_omp_clause_num_threads,
18035 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18036 c_parser_omp_clause_reduction,
18037 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18038 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18039 c_parser_omp_atomic, c_parser_omp_barrier,
18040 c_parser_omp_critical, c_parser_omp_flush,
18041 c_parser_omp_for_loop, c_parser_omp_for,
18042 c_parser_omp_master, c_parser_omp_ordered,
18043 c_parser_omp_sections_scope, c_parser_omp_sections,
18044 c_parser_omp_parallel, c_parser_omp_single,
18045 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18046 * c-pragma.c (init_pragma): Do omp pragma registration here.
18047 * c.opt (fopenmp): New flag.
18049 2006-01-18 Eric Christopher <echristo@apple.com>
18051 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18052 * config/darwin.h (GOMP_SELF_SPECS): Define.
18054 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18056 * rtl.h: Remove the prototype for reg_alloc.
18058 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18061 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18062 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18063 sjlj and dwarf2 exception handling.
18064 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18065 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18066 * pa/pa.c (function_value): Treat complex and vector types as
18068 (function_arg): Likewise. Only pass scalar floats in the floating
18069 point argument registers.
18070 * pa/t-slibgcc-dwarf-ver: New file.
18071 * pa/t-slibgcc-sjlj-ver: New file.
18072 * pa/t-slibgcc-elf-ver: Delete file.
18074 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18076 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18077 unlikely_test_section_p test.
18079 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18081 * mode-switching.c (optimize_mode_switching): Make it static.
18082 * basic-block.h: Remove the prototype for
18083 optimize_mode_switching.
18085 * modulo-sched.c (sms_schedule): Make it static.
18086 * rtl.h: Remove the prototype for sms_schedule.
18088 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18089 * rtl.h: Remove the prototype for gcse_after_reload_main.
18091 * reg-stack.c (reg_to_stack): Make it static.
18092 * rtl.h: Remove the prototype for reg_to_stack.
18094 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18096 * rtl.h: Remove the prototypes for regrename_optimize and
18097 copyprop_hardreg_forward.
18099 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18101 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18102 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18103 Test against the appropriate null constant for the mode.
18104 If 'fixup_overlap' is true, swap the operands if they overlap.
18105 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18106 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18107 alpha_split_tmode_pair and adjust for above change.
18108 * config/alpha/alpha.md (movtf_internal): Adjust call to
18109 alpha_split_tfmode_pair and rely on it to swap the operands.
18110 (movti_internal): New insn and post-reload splitter.
18111 (movti): New expander.
18113 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18115 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18118 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18120 * rtlanal.c (global_reg_mentioned_p_1,
18121 global_reg_mentioned_p): Remove.
18122 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18124 * flow.c (initialize_uninitialized_subregs): Make it static.
18125 * rtl.h: Remove the prototype for
18126 initialize_uninitialized_subregs.
18128 * function.c (instantiate_virtual_regs): Make it static.
18129 * function.h: Remove the prototype for
18130 instantiate_virtual_regs.
18132 * regmove.c (regmove_optimize, combine_stack_adjustments):
18134 * rtl.h: Remove the prototypes for regmove_optimize and
18135 combine_stack_adjustments.
18137 2006-01-17 Roger Sayle <roger@eyesopen.com>
18139 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18140 (size_cost): Encode costs in bytes so that a reg-reg addition is
18141 equivalent to COSTS_N_INSNS(1).
18142 (override_options): Use the size_cost.branch_cost as the default
18143 ix86_branch_cost when optimizing for size.
18145 2006-01-18 Ben Elliston <bje@au.ibm.com>
18147 * Makefile.in (D32PBIT_FUNCS): New.
18148 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18149 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18150 D64PBIT_FUNCS and D128PBIT_FUNCS.
18151 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18152 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18154 (decnumber_dep): Define.
18155 * doc/libgcc.texi (Decimal float library routines): New node.
18156 * config/dfp-bit.h, config/dfp-bit.c: New files.
18158 2006-01-18 Ben Elliston <bje@au.ibm.com>
18160 * expr.c (emit_move_change_mode): Always adjust addresses, not
18161 just during reload. Copy replacements only during reload.
18162 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18163 emit_move_via_integer.
18165 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18167 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18168 instead of $(srcdir) and ${srcdir}.
18170 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18173 PR middle-end/11135
18174 * arm.h (struct machine_function): Add pic_reg.
18175 * arm.c (arm_pic_register): Make unsigned.
18176 (arm_override_options): Only set arm_pic_register if
18177 TARGET_SINGLE_PIC_BASE.
18178 (use_return_insn): Only test for a pic register if it is fixed.
18179 (arm_compute_save_reg0_reg12_mask): Likewise.
18180 (thumb_compute_save_reg_mask): Likewise.
18181 (legitimate_pic_operand): Factor out some known invariants.
18182 (legitimize_pic_address): If we don't have a fixed pic register,
18183 then set up a pseudo in the function entry sequence. Handle the
18184 pic base being in a pseudo.
18185 (arm_load_pic_register): Handle the pic register being in a pseudo.
18186 (arm_expand_prologue): Only set up the pic register if it is fixed.
18187 (thumb_expand_prologue): Likewise.
18188 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18189 (pic_load_addr_based_insn): Likewise.
18190 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18193 2006-01-18 Ben Elliston <bje@au.ibm.com>
18195 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18196 decimal float modes for all floating point registers.
18198 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18199 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18201 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18204 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18205 even when the pointer is not NULL.
18207 2006-01-16 Ian Lance Taylor <ian@airs.com>
18209 * common.opt (ftoplevel-reorder): New option.
18210 * cgraph.c (cgraph_asm_nodes): New global variable.
18211 (cgraph_asm_last_node): New static variable.
18212 (cgraph_order): New global variable.
18213 (cgraph_create_node): Set new order field.
18214 (cgraph_varpool_node): Likewise.
18215 (decide_is_variable_needed): Return true if not
18216 flag_toplevel_reorder.
18217 (cgraph_add_asm_node): New function.
18218 * cgraph.h (struct cgraph_node): Add order field.
18219 (struct cgraph_varpool_node): Add order field.
18220 (struct cgraph_asm_node): Define.
18221 (cgraph_asm_nodes, cgraph_order): Declare.
18222 (cgraph_add_asm_node): Declare.
18223 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18225 (cgraph_varpool_assemble_pending_decls): Call it.
18226 (cgraph_output_pending_asms): New static function.
18227 (cgraph_finalize_compilation_unit): Call it.
18228 (struct cgraph_order_sort): Define.
18229 (cgraph_output_in_order): New static function.
18230 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18231 !flag_toplevel_reorder case.
18232 * c-parser.c: Include "cgraph.h".
18233 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18235 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18236 than -fno-unit-at-a-time.
18237 * doc/invoke.texi (Option Summary): Mention
18238 -fno-toplevel-reorder.
18239 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18240 -funit-at-a-time documentation.
18242 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18243 Kazu Hirata <kazu@codesourcery.com>
18245 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18247 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18249 * Makefile.in (FUNCTION_H): New. Use it instead of
18250 function.h throughout the file.
18251 * function.h: Include tree.h.
18253 2006-01-17 Ben Elliston <bje@au.ibm.com>
18255 * recog.c: Separate some functions with whitespace.
18257 2006-01-16 Richard Henderson <rth@redhat.com>
18259 Merge from gomp branch:
18260 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18261 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18262 and rename from struct inline_data. Rename callee* to dst*;
18263 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18264 transform_new_cfg, transform_return_to_modify, and
18265 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18267 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18268 (copy_decl_for_dup): Remove.
18269 * tree-inline.c (struct inline_data): Move to header.
18270 (insert_decl_map): Export.
18271 (remap_decl): Update for member name changes. Use copy_decl hook.
18272 Allow for replacement to be a non-decl. Remove dead code.
18273 (remap_type_1): Check for existing mapping.
18274 (remap_type): Export.
18275 (remap_decls): Update for member name changes.
18276 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18277 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18278 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18279 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18280 (tree_function_versioning, build_duplicate_type): Likewise.
18281 (copy_body_r): Likewise. Export.
18282 (copy_decl_for_dup): Split into ...
18283 (copy_decl_for_dup_finish, copy_decl_to_var,
18284 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18285 (replace_ref_tree, inlining_p): Remove.
18287 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18289 * ifcvt.c (if_convert): Make it static.
18290 * rtl.h: Remove the prototype for if_convert.
18292 * local-alloc.c (local_alloc): Make it static.
18293 * rtl.h: Remove the prototype for local_alloc.
18295 * loop.c (loop_optimize): Make it static.
18296 * cfgloop.h: Remove the prototype for loop_optimize.
18299 2006-01-16 DJ Delorie <dj@redhat.com>
18301 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18304 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18306 * pa.md: Disparage copies between general and floating-point registers
18307 in 32-bit move patterns.
18309 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18312 * Makefile.in (check-%): Depend on site.exp instead of
18313 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18316 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18318 * global.c (global_alloc): Make it static.
18319 * rtl.h: Remove the prototype for global_alloc.
18321 2006-01-16 Richard Guenther <rguenther@suse.de>
18323 * tree-ssa-alias.c (struct used_part): Add write_only field.
18324 (get_or_create_used_part_for): Initialize it to true.
18325 (create_overlap_variables_for): Don't create structure variables
18326 for structures that only are written to.
18327 (find_used_portions): Handle MODIFY_EXPR to track whether a
18328 structure is only written to.
18330 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18332 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18334 * basic-block.h: Remove the prototype for
18335 partition_hot_cold_basic_blocks.
18337 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18339 * cppspec.c (lang_specific_spec_functions): Remove.
18340 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18341 * gcc.h (lang_specific_spec_functions): Remove.
18342 * gccspec.c (lang_specific_spec_functions): Remove.
18344 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18346 * combine.c (record_value_for_reg): Invalidate registers
18348 (record_dead_and_set_regs_1): Likewise, by passing them to
18349 record_value_for_reg.
18350 (record_dead_and_set_regs): Invalidate stores made by a
18351 call. We do not combine across a call, but we still
18352 relied on equivalences.
18354 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18356 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18357 vrp_int_const_binop returning non-constant nodes.
18359 2006-01-16 Paul Brook <paul@codesourcery.com>
18361 * config/m68k/m68k.c (output_move_const_into_data_reg):
18362 Output correct mnemonic for mvz and mvs.
18364 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18366 * rtl-factoring.c: Add sequence abstraction algorithm.
18367 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18368 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18370 (block_has_preserve_label): New function.
18371 * common.opt: Register new pass.
18372 * Makefile.in: Ditto.
18374 * timevar.def: Ditto.
18375 * tree-pass.h: Ditto.
18376 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18377 * rtl.h (make_jump_insn_raw): Add forward decl.
18378 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18380 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18381 Roger Sayle <roger@eyesopen.com>
18383 * fold-const.c (fold_minmax): New static function.
18384 (fold_binary) <MIN_EXPR>: Call it.
18385 <MAX_EXPR>: Likewise.
18386 * stor-layout.c (place_field): Use DECL_SIZE consistently
18387 in the computation of the new record size.
18389 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18391 * cse.c (cse_condition_code_reg): Make it static.
18392 * rtl.h: Remove the prototype for cse_condition_code_reg.
18394 * combine.c (combine_instructions): Make it static.
18395 * rtl.h: Remove the prototype for combine_instructions.
18397 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18400 * tree.c (get_file_function_name_long): Concatenate the first global
18401 object name with a string derived from the input filename of the object
18404 2006-01-16 Ben Elliston <bje@au.ibm.com>
18406 * config/i386/winnt-stubs.c: Update FSF address.
18407 * config/xtensa/ieee754-df.S: Ditto.
18408 * config/xtensa/ieee754-sf.S: Ditto.
18410 2006-01-14 Ian Lance Taylor <ian@airs.com>
18412 * ifcvt.c (noce_init_if_info): New static function, broken out of
18413 noce_process_if_block.
18414 (noce_process_if_block): Call noce_init_if_info.
18415 (check_cond_move_block): New static function.
18416 (cond_move_process_if_block): New static function.
18417 (process_if_block): Call cond_move_process_if_block.
18419 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18421 * cselib.c (hash_table): Rename to cselib_hash_table.
18422 (cselib_clear_table, discard_useless_values,
18423 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18424 cselib_init, cselib_finish): Adjust uses of hash_table.
18426 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18428 PR tree-optimization/25485
18429 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18430 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18431 is known to be false and true, respectively.
18433 2006-01-14 Richard Guenther <rguenther@suse.de>
18435 PR tree-optimization/22548
18436 PR tree-optimization/22555
18437 PR tree-optimization/22501
18438 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18439 * params.def (salias-max-array-elements): New parameter.
18440 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18441 * doc/invoke.texi (salias-max-array-elements): Document.
18442 * tree-flow-inline.h (var_can_have_subvars): We also handle
18444 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18446 * tree-ssa-structalias.c (params.h): Include.
18447 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18448 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18449 (get_constraint_for): For ADDR_EXPR operating on something
18450 containing an ARRAY_REF, add all subvars to the solution.
18451 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18452 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18453 for creating MUST_DEFs.
18454 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18456 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18458 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18460 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18461 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18462 number_of_iterations_le): New functions.
18463 (number_of_iterations_special): Removed.
18464 (number_of_iterations_exit): Do not use number_of_iterations_special.
18465 * tree.c (unsigned_type_for): Always return integer type.
18467 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18468 Richard Guenther <rguenther@suse.de>
18470 PR rtl-optimization/24257
18471 * gcse.c (find_moveable_store): Only consider a store movable
18472 when the SET_SRC of the insn can be assigned to a register.
18474 2006-01-14 Ian Lance Taylor <ian@airs.com>
18476 * tree.c (tree_not_class_check_failed): New function.
18477 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18478 (tree_not_class_check_failed): Declare.
18480 2006-01-13 Ian Lance Taylor <ian@airs.com>
18482 * reload1.c (do_output_reload): Add assertion rejecting a
18485 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18487 * combine.c (struct reg_stat): Add new fields truncation_label and
18489 (record_value_for_reg): Reset truncated_to_mode.
18490 (record_truncated_value): New function.
18491 (check_promoted_subreg): Call it. Rename to check_conversions.
18492 (combine_instructions): Rename check_promoted_subreg to
18494 (reg_truncated_to_mode): New function.
18495 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18496 (gen_lowpart_or_truncate): New function.
18497 (force_to_mode): Use it instead of gen_lowpart.
18499 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18501 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18502 VAR is a tag, not its type tag.
18504 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18506 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18507 alternatives to match style of other entries.
18508 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18510 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18512 PR tree-optimization/25771
18513 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18516 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18519 * tree-inline.c (declare_return_variable): If the return variable
18520 was marked as a non gimple complex, set the return slot variable
18521 to be a non gimple comple variable.
18523 2006-01-13 Richard Guenther <rguenther@suse.de>
18525 * builtins.c (expand_builtin_sincos): New function.
18526 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18528 (expand_builtin): Expand sincos using expand_builtin_sincos.
18530 2006-01-12 DJ Delorie <dj@redhat.com>
18532 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18533 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18534 so that constant shifts can be split.
18535 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18536 (m32c_valid_pointer_mode): Make static.
18537 (shift_gen_func_for): New.
18538 (m32c_prepare_shift): Use it. Split large const shifts into
18540 * config/m32c/predicates.md (shiftcount_operand): Allow more
18542 (longshiftcount_operand): New.
18543 * doc/md.texi (Machine Constraints): Document In6.
18545 2006-01-13 Ben Elliston <bje@au.ibm.com>
18547 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18548 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18551 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18553 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18554 to try to avoid clobbering pieces of structures when we know
18555 something about the whole structure.
18556 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18558 2006-01-13 Ben Elliston <bje@au.ibm.com>
18560 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18561 return in memory, as this is no limitation is no longer present.
18563 2006-01-12 DJ Delorie <dj@redhat.com>
18565 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18566 mova with fb, and for fb+0 -> An.
18568 * config/m32c/mov.md (peephole2): Fix enabling logic.
18570 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18571 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18572 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18573 FINI_ARRAY_SECTION_ASM_OP): Define.
18575 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18577 (m32c_legitimize_reload_address): New logic to reload FB to An.
18578 (m32c_output_reg_push): Add newline.
18579 (m32c_output_reg_pop): Likewise.
18581 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18583 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18585 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18587 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18589 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18591 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18594 2006-01-11 Ben Elliston <bje@au.ibm.com>
18596 * rtlanal.c (find_reg_note): Assert insn is not null.
18598 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18600 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18603 2006-01-11 Jeff Law <law@redhat.com>
18605 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18607 (mark_threaded_blocks, register_jump_thread): New functions.
18608 (thread_through_all_blocks): Remove unwanted argument. No
18609 longer rely on e->aux to communicate thread target info.
18610 Call mark_threaded_blocks. Release the threaded_blocks
18611 bitmap and threaded_edges vector when complete.
18612 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18613 (threaded_blocks): Remove.
18614 (tree_ssa_dominator_optimize): Remove initialization and
18615 finalization of threaded_blocks. Simplify call to
18616 thread_through_all_blocks.
18617 (thread_across_edge): Call register_jump_thread rather than
18618 storing thread information into e->aux.
18619 (free_all_edge_infos): Simplify now that e->aux is no longer
18620 used to communicate with thread_through_all_blocks.
18621 * tree-flow.h (thread_through_all_blocks): Update prototype.
18622 (register_jump_thread): Prototype.
18624 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18626 * df-core.c (df_compact_blocks, df_bb_replace): Use
18627 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18629 2006-01-11 Richard Guenther <rguenther@suse.de>
18631 PR tree-optimization/25734
18632 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18633 stop propagation after successful propagation to the LHS.
18635 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18637 * basic-block.h (control_flow_graph): Change the type of
18638 x_basic_block_info to VEC(basic_block,gc) *.
18639 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18641 (SET_BASIC_BLOCK): New.
18642 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18643 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18644 * cfgbuild.c (find_basic_blocks): Likewise.
18645 * cfglayout.c (fixup_reorder_chain): Likewise.
18646 * cfgrtl.c (create_basic_block_structure,
18647 rtl_create_basic_block): Likewise.
18648 * ifcvt.c (find_if_case_1): Likewise.
18649 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18652 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18654 * Makefile.in: Removed rotted odf.c entry.
18656 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18659 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18660 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18661 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18662 output pattern modifier, not %e.
18663 * config/cris/cris.c (cris_op_str): Update comment about pattern
18665 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18666 before falling through into...
18667 <case 'E'>: Redefined from old 'e' case.
18669 2006-01-11 Jan Hubicka <jh@suse.cz>
18672 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18674 2006-01-11 Jan Hubicka <jh@suse.cz>
18676 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18677 * i386.c (x86_decompose_lea): Kill.
18678 (ix86_rtx_costs): Kill.
18680 2006-01-11 Jan Hubicka <jh@suse.cz>
18682 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18683 * cgraph.h (cgraph_node): Add inline_decl.
18684 (cgraph_insert_node_to_hashtable): Declare.
18685 (save_inline_function_body): Declare.
18686 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18688 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18689 (cgraph_function_versioning): Update call of tree_function_versioning.
18690 (save_inline_function_body): New function.
18691 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18692 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18693 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18694 (cgraph_default_inline_p): Likewise.
18695 (cgraph_decide_inlining_incrementally): Likewise.
18696 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18697 (copy_bb): Kill saving; do updating of clones.
18698 (copy_cfg_body): Kill saving.
18699 (initialize_inlined-parameters): Likewise.
18700 (expand_call_inline): Likewise.
18702 (tree_function_versioning): New parameter "update_clones".
18703 (inlining_p): Kill saving.
18704 * tree-inline.h (tree_function_versioning): Update prototype.
18705 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18708 2006-01-11 Ian Lance Taylor <ian@airs.com>
18710 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18711 Allow undoing set of machine mode.
18712 (do_SUBST): Use enums instead of is_int.
18713 (do_SUBST_MODE): New function.
18714 (SUBST_MODE): New macro.
18715 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18716 reg and trying to replace reg_regno_rtx with a new register.
18717 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18718 (simplify_set): Use SUBST_MODE.
18719 (distribute_notes): Remove code that tried to update reg notes
18720 for regno_reg_rtx changes.
18722 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18724 PR tree-optimization/23109
18725 PR tree-optimization/23948
18726 PR tree-optimization/24123
18728 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18729 * tree-cfg.c (single_noncomplex_succ): New.
18730 * tree-flow.h (single_noncomplex_succ): Declare it.
18731 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18732 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18733 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18734 insert_bb, register_division_in, insert_reciprocals,
18735 replace_reciprocal, free_bb): New.
18736 (execute_cse_reciprocals_1): Rewritten.
18737 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18738 Do not commit any edge insertion. Always compute dominators and
18739 create the allocation pool.
18740 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18741 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18742 * targhooks.c (default_min_divistions_for_recip_mul): New.
18743 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18744 * passes.c (init_optimization_passes): Run recip after tree loop
18746 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18748 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18749 Kenneth Zadeck <zadeck@naturalbridge.com>
18751 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18752 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18753 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18754 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18755 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18756 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18757 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18758 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18759 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18760 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18761 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18762 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18763 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18764 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18765 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18766 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18767 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18768 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18769 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18770 DF_SCAN_POST_ALLOC): New macros.
18771 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18772 df_free_bb_function, df_local_compute_function, df_init_function,
18773 df_dataflow_function, df_confluence_function_0,
18774 df_confluence_function_n, df_transfer_function,
18775 df_finalizer_function, df_free_function, df_dump_problem_function,
18776 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18777 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18778 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18779 df_urec_bb_info, ) New types.
18780 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18782 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18783 df_analyze_simple_change_some_blocks,
18784 df_analyze_simple_change_one_block, df_compact_blocks,
18785 df_bb_replace, df_bb_regno_last_use_find,
18786 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18787 df_insn_regno_def_p, df_find_def, df_find_use,
18788 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18789 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18790 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18791 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18792 debug_df_chain, df_get_dependent_problem, df_chain_create,
18793 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18794 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18795 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18796 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18797 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18798 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18799 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18800 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18801 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18802 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18803 df_reorganize_refs, df_set_state, df_hard_reg_init,
18804 df_read_modify_subreg_p) New public functions.
18805 * df-core.c: The core dataflow solver and glue routines for rtl
18807 (df_init, df_add_problem, df_set_blocks, df_finish,
18808 df_hybrid_search_forward, df_hybrid_search_backward,
18809 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18810 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18811 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18812 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18813 df_reg_defined, df_find_use, df_reg_used, df_dump,
18814 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18815 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18816 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18817 debug_df_useno, reset_df_after_reload): New functions.
18818 * df-scan.c: The scanning fuctions, once in df.c, completely
18819 rewritten so that they now fully model the functionality of
18820 register usage at the backend.
18821 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18822 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18823 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18824 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18825 df_get_artificial_defs, df_get_artificial_uses,
18826 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18827 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18828 df_refs_delete, df_reorganize_refs, df_set_state,
18829 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18830 df_def_record_1, df_defs_record, df_uses_record,
18831 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18832 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18833 df_record_exit_block_uses, df_hard_reg_init): New functions.
18835 * df-problems.c: Seven concrete dataflow problems that use the
18836 scanning in df-scan.c and are solved by the engine in df-core.c.
18837 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18838 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18839 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18840 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18841 df_ru_free_bb_info, df_ru_alloc,
18842 df_ru_bb_local_compute_process_def,
18843 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18844 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18845 df_ru_transfer_function, df_ru_free, df_ru_dump,
18846 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18847 df_rd_free_bb_info, df_rd_alloc,
18848 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18849 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18850 df_rd_transfer_function, df_rd_free, df_rd_dump,
18851 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18852 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18853 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18854 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18855 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18856 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18857 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18858 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18859 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18860 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18861 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18862 df_urec_mark_reg_use_for_earlyclobber,
18863 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18864 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18865 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18866 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18867 df_chain_create_bb_process_use, df_chain_create_bb,
18868 df_chain_finalize, df_chain_free, df_chains_dump,
18869 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18870 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18871 df_reg_lifetime): New functions.
18872 * df.c: Deleted file.
18873 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18874 consistent with new df api.
18875 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18876 rest_of_handle_sms): Ditto.
18877 * web.c (unionfind_union, union_defs, entry_register, web_main):
18879 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18880 invariant_expr_equal_p, find_defs, check_dependencies,
18881 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18882 free_inv_motion_data, move_loop_invariants): Ditto.
18883 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18884 Update dependencies.
18885 (odf.c): Added defective entry that was deleted later in day.
18886 * sched-deps.c (sched_analyze_1): Ditto.
18888 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18890 * tree-ssa-operands.c (get_expr_operands): Record addressable
18891 variables directly. Do not call add_stmt_operands for CONST_DECLs
18893 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18894 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18896 2006-01-11 Ben Elliston <bje@au.ibm.com>
18898 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18899 function returns true in the positive case.
18901 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18904 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18905 for SI, DI, SF and DF modes. Add alternatives to copy between
18906 general and floating point registers to the 32-bit patterns.
18907 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18908 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18909 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18910 generating 64-bit code.
18911 * config/pa/pa.c (output_move_double): Handle copies between general
18912 and floating registers.
18914 2006-01-10 Stuart Hastings <stuart@apple.com>
18916 * config/i386/i386.md (set_got): Update.
18917 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18918 (builtin_setjmp_receiver): Mach-O support.
18919 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18920 (GOT_SYMBOL_NAME): Define.
18921 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18922 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18923 * config/i386/i386.c (override_options): Revise for Darwin.
18924 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18925 support. (darwin_x86_file_end): New. (output_set_got): Add label
18926 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18927 * config/i386/i386-protos.h (output_set_got): Likewise.
18928 * config/darwin.c (machopic_legitimize_pic_address): Update
18931 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18933 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18934 when MODE isn't BLKmode.
18936 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18938 PR rtl-optimization/25367
18939 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18941 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18944 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18945 for a negative bound.
18947 2006-01-10 Richard Guenther <rguenther@suse.de>
18949 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18950 Never override with anything constraint.
18952 2006-01-10 Jan Beulich <jbeulich@novell.com>
18954 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18955 256 bits when optimize_size.
18957 2006-01-10 Jan Beulich <jbeulich@novell.com>
18959 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18961 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18962 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18965 2006-01-10 Ben Elliston <bje@au.ibm.com>
18967 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18969 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18970 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18971 (USE_FP_FOR_ARG): Reject decimal float modes.
18972 (function_arg_advance): Likewise.
18973 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18974 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18975 point types in AltiVec vectors.
18976 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18977 (rs6000_libcall_value): Likewise.
18979 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18981 * config/xtensa/ieee754-df.S: New file.
18982 * config/xtensa/ieee754-sf.S: New file.
18983 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18984 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18985 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18987 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18989 * config/sh/predicates.md (binary_float_operator,
18990 binary_logical_operator, commutative_float_operator,
18991 equality_comparison_operator, greater_comparison_operator,
18992 less_comparison_operator, logical_operator,
18993 noncommutative_float_operator, shift_operator,
18994 symbol_ref_operand, unary_float_operator): Remove redundant
18997 2006-01-09 Jeff Law <law@redhat.com>
18999 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19000 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19001 now unused arguments. Callers updated.
19002 (eliminate_redundant_computations): Remove now unused arguments,
19004 (local_fold): Remove, no longer used.
19005 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19007 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19008 (simplify_cond): New function.
19009 (forward_propagate_into_cond): Call simplify_cond.
19011 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19013 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19014 (*vec_extractv2di_1_sse): New.
19016 2006-01-09 Ben Elliston <bje@au.ibm.com>
19018 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19020 2006-01-08 Richard Guenther <rguenther@suse.de>
19022 * tree-ssa-structalias.c (get_constraint_for): Remove
19023 anyoffset argument.
19024 (get_constraint_for_component_ref): Likewise.
19025 (do_deref): Likewise.
19026 (get_constraint_for): Likewise.
19027 (do_structure_copy): Likewise.
19028 (handle_ptr_arith): Likewise.
19029 (find_func_aliases): Likewise. Remove unused need_anyoffset
19032 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19033 Kaz Kojima <kkojima@gcc.gnu.org>
19035 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19036 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19037 (EXTRA_CONSTRAINT_C16): Remove.
19038 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19039 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19040 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19041 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19042 constants of SHmedia. Handle nested constant expressions of
19044 (andcosts): Fix the costs for SHmedia constants.
19045 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19046 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19047 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19048 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19049 (movv4hi_i, movv2si_i): Likewise.
19050 (movsi_const): Adjust the second operand of ior so to match with
19051 the Csu constraint.
19052 (movdi_const, movdi_const_32bit): Likewise.
19053 (movdi_const_16bit+1): Don't sign-extend LOW.
19054 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19056 (*double_shori): Fix the split condition. Use GEN_INT instead
19057 of get_int_mode calls. Mask lower 16-bit of the argument of
19059 (sym2GOTPLT): Remove.
19060 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19062 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19063 instead of EXTRA_CONSTRAINT_C16.
19065 2006-01-07 Ian Lance Taylor <ian@airs.com>
19066 David Edelsohn <edelsohn@gnu.org>
19068 PR rtl-optimization/25662
19069 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19070 for constant operands instead of simplify_gen_binary.
19071 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19072 after trying simplify_binary_operation
19074 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19076 * tree.c (iterative_hash_expr): Hash decls based on UID.
19078 2006-01-06 Eric Christopher <echristo@apple.com>
19080 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19081 (TARGET_UNWIND_EMIT): Fix spelling.
19082 * target.h (gcc_target): Add except_table_label.
19083 * except.c (output_function_exception_table): Use.
19084 * varasm.c (default_emit_except_table_label): New.
19085 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19087 (asm_out): Add here.
19088 * output.h (default_emit_except_table_label): Prototype.
19089 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19090 * config/darwin.c (darwin_emit_except_table_label): Define.
19091 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19093 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19095 PR tree-optimization/18527
19096 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19097 number_of_iterations_special, number_of_iterations_exit):
19098 Move base and step of an iv to a single structure. Add
19099 no_overflow flag, and use it in # of iterations analysis.
19100 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19101 folded_casts argument.
19102 (simple_iv): Pass base and step in a structure. Set no_overflow
19104 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19105 Evaluate expensiveness of computing # of iterations instead of
19106 the final expression.
19107 * tree-scalar-evolution.h (affine_iv): New structure.
19108 (simple_iv): Declaration changed.
19109 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19110 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19111 find_givs_in_stmt): Changed due to simple_iv change.
19113 2006-01-06 Jeff Law <law@redhat.com>
19116 * tree-cfg.c (bsi_replace): Rename final argument from
19117 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19118 change (stmt -> orig_stmt).
19119 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19120 (bsi_remove): Add new argument. Remove EH information
19122 (verify_eh_throw_table_statements): New function.
19123 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19125 * tree-optimize.c (execute_free_cfg_annotations): Verify
19126 the EH throw statement table after removing annotations.
19127 * except.h (verify_eh_throw_table_statements): Prototype.
19128 * tree-flow.h (bsi_remove): Update prototype.
19129 * tree-vrp.c (remove_range_assertions): Add new argument to
19131 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19132 * tree-complex.c (expand_complex_div_wide): Likewise.
19133 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19134 * tree-tailcall.c (eliminate_tailcall): Likewise.
19135 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19136 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19137 * tree-nrv.c (tree_nrv): Likewise.
19138 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19139 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19140 (combine_blocks): Likewise.
19141 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19142 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19143 (cleanup_control_flow): Likewise.
19144 (remove_forwarder_block): Likewise.
19145 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19146 * tree-sra.c (sra_replace): Likewise.
19147 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19148 (forward_propagate_single_use_vars): Likewise.
19149 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19150 * tree-inline.c (expand_call_inline): Likewise.
19151 * tree-vect-transform.c (vect_transform_loop): Likewise.
19152 * tree-outof-ssa.c (rewrite_trees): Likewise.
19153 * tree-cfg.c (make_goto_expr_edges): Likewise.
19154 (cleanup_dead_labels): Likewise.
19155 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19156 (bsi_move_before, bsi_move_after): Likewise.
19157 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19158 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19160 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19163 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19165 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19166 on non gimple variables. Also add checks at the top for decls and
19168 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19170 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19171 and IMAGPART_EXPR for creating MUST_DEFs.
19172 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19173 and NAME_MEMORY_TAG separately from the DECLs.
19175 2006-01-06 Richard Guenther <rguenther@suse.de>
19177 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19178 annotation, if necessary.
19179 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19180 redundant calls to update_stmt.
19181 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19184 2006-01-05 Richard Henderson <rth@redhat.com>
19186 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19188 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19190 * c-typeck.c: Update copyright date.
19192 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19194 * c-typeck.c (build_c_cast): Always warn when casting
19195 from a pointer to an integer of different size, even if
19196 the node was constant.
19198 2006-01-05 Richard Guenther <rguenther@suse.de>
19200 PR tree-optimization/22555
19201 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19202 if one structure field is an array.
19203 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19204 operands even if we found a subvar, but ignore VOPs in this
19206 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19208 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19210 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19212 PR middle-end/24998
19213 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19215 2006-01-05 Richard Guenther <rguenther@suse.de>
19216 Diego Novillo <dnovillo@redhat.com>
19218 * tree-pass.h (TODO_remove_unused_locals): Define.
19219 * gimple-low.c (expand_var_p, remove_useless_vars,
19220 pass_remove_useless_vars): Remove. Update all users.
19221 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19222 (remove_unused_locals): New function.
19223 * tree-flow.h (remove_unused_locals): Declare.
19224 * passes.c (execute_todo): Call remove_unused_locals if
19225 TODO_remove_unused_locals is set.
19226 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19227 * tree-ssa-dce.c (pass_dce): Likewise.
19228 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19230 2006-01-05 Richard Guenther <rguenther@suse.de>
19232 * tree-flow.h (struct fieldoff): Decompose field to
19233 type, size and decl.
19234 * tree-ssa-alias.c (create_sft): Take type as parameter.
19235 (create_overlap_variables_for): Store type, size and decl
19236 in the fieldoff structure.
19237 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19238 of struct fieldoff.
19239 (push_fields_onto_fieldstack): Likewise.
19240 (create_variable_info_for): Likewise. Use offset for the
19241 SFT name if the decl is not available.
19243 2006-01-04 Paul Brook <paul@codesourcery.com>
19245 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19247 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19249 * lambda-code.c (can_put_in_inner_loop): Relax
19251 (can_put_after_inner_loop): New function.
19252 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19253 (perfect_nestify): Change to make copies and modify uses.
19255 2006-01-04 Richard Henderson <rth@redhat.com>
19257 Merge from gomp branch:
19258 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19259 via integer constant.
19260 (pragma_lex): Remove.
19261 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19262 rather than parsing it.
19263 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19264 handle_pragma_extern_prefix): Add %< %> quotes.
19265 (registered_pragmas): New.
19266 (c_register_pragma_1): New.
19267 (c_register_pragma): Use it.
19268 (c_register_pragma_with_expansion): Likewise.
19269 (c_invoke_pragma_handler): New.
19270 (init_pragma): Use cpp_register_deferred_pragma directly for
19272 * c-pragma.h (enum pragma_kind): New.
19273 (pragma_handler): New.
19274 (c_invoke_pragma_handler): Declare.
19275 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19277 * c-common.h (c_common_pch_pragma): Update decl.
19278 * Makefile.in (c-parser.o): Update dependencies.
19279 (GTFILES): Add c-pragma.h.
19280 * c-parser.c (struct c_token): Add pragma_kind.
19281 (struct c_parser): Add in_pragma.
19282 (c_lex_one_token): Always initialize keyword and pragma_kind.
19283 Extract data for CPP_PRAGMA.
19284 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19285 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19286 Don't allow CPP_PRAGMA_EOL if in_pragma.
19287 (c_parser_consume_pragma): New.
19288 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19289 (c_parser_skip_to_end_of_parameter): Likewise.
19290 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19291 (c_parser_skip_to_pragma_eol): New.
19292 (c_parser_external_declaration): Handle CPP_PRAGMA.
19293 (c_parser_compound_statement_nostart): Likewise.
19294 (c_parser_statement_after_labels): Likewise.
19295 (c_parser_pragma): New.
19296 (pragma_lex): Likewise.
19297 (c_parser_pragma_pch_preprocess): New.
19298 (c_parser_new): Merge into ...
19299 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19301 2006-01-04 Jeff Law <law@redhat.com>
19304 * tree-cfg.c (bsi_replace): Remove the original statement
19305 from the EH throw statement table.
19307 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19309 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19310 make the prototype extern "C" and add throw ().
19313 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19314 and pos non-negative and pos + len <= 32.
19315 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19316 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19317 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19320 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19321 as well as sizes not multiple of component size.
19324 * function.c (instantiate_expr): New function.
19325 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19326 walk its DECL_VALUE_EXPR with instantiate_expr.
19328 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19329 DW_OP_deref{,_size} if address isn't going to be added.
19331 2006-01-04 Ben Elliston <bje@au.ibm.com>
19333 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19334 * config/fp-bit.c: Likewise.
19336 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19338 * dominance.c: Add comment about why we use DFS numbering
19341 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19342 Richard Henderson <rth@redhat.com>
19344 Merge from gomp-branch:
19345 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19346 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19348 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19350 PR rtl-optimization/25578
19351 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19352 pass a parameter to simplify_shift_const if changing ASHIFTRT
19355 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19357 * builtins.c (get_builtin_sync_mem): New function.
19358 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19359 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19360 Call get_builtin_sync_mem to generate mem rtx.
19362 2006-01-03 Richard Guenther <rguenther@suse.de>
19365 * stmt.c (add_case_node): Make sure to clear overflow flags
19368 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19370 Merge from gomp-branch.
19371 * config/sparc/sync.md: New file.
19372 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19373 UNSPECV_LDSTUB): New constants.
19374 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19375 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19376 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19379 2006-01-03 Roger Sayle <roger@eyesopen.com>
19381 * combine.c (reg_subword_p): New predicate to test whether the
19382 destination of a set refers to a subword/piece of a register.
19383 (try_combine): Generalize the code to merge the setting of a
19384 pseudo to a constant followed by a set of a subword of that
19385 register to a constant.
19387 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19389 * basic-block.h (control_flow_graph): Change the type of
19390 x_label_to_block_map to VEC(basic_block,gc) *.
19391 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19392 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19394 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19395 VEC(basic_block,heap) *.
19396 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19397 ssa_prop_fini): Adjust the uses of cfg_blocks.
19399 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19401 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19403 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19404 hashing trees instead of a pointer hash.
19405 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19406 compare for MEM_EXPR.
19408 PR rtl-optimization/25130
19409 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19410 when comparing MEMs for GCSE
19412 2006-01-03 Ben Elliston <bje@au.ibm.com>
19414 * targhooks.h (default_decimal_float_supported_p): Declare.
19415 * targhooks.c (default_decimal_float_supported_p): Define.
19416 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19417 `default_decimal_float_supported_p'.
19418 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19420 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19422 * combine.c (apply_distributive_law <SUBREG>): Check
19423 TRULY_NOOP_TRUNCATION.
19425 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19427 * dwarf2out.c (have_switched_text_section): Delete.
19428 (have_multiple_function_sections): New.
19429 (have_location_lists): Make 'bool'.
19430 (add_AT_loc_list): Use 'true' not '1'.
19431 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19432 (output_loc_list): Use have_multiple_function_sections.
19433 (output_ranges): Likewise.
19434 (dwarf2out_begin_function): Set have_multiple_function_sections if
19436 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19437 Check function_section rather than DECL_SECTION_NAME.
19438 (dwarf2out_finish): Use have_multiple_function_sections.
19439 Don't clear have_location_lists.
19441 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19442 Jan Hubicka <jh@suse.cz>
19444 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19445 case of conditional jump jumping to the next instruction.
19446 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19447 cases of conditional jump jumping to the next instruction.
19449 2006-01-02 Jan Hubicka <jh@suse.cz>
19451 * i386.c (*_cost): Add COSTS_N_INSNS.
19452 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19454 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19457 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19459 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19461 * config/arm/arm.c (all_fpus): Fix comment typo.
19462 * config/darwin.c: Likewise.
19463 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19464 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19465 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19467 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19469 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19470 (rs6000_split_compare_and_swapqhi): New.
19471 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19472 (sync_compare_and_swapqhi_internal): New.
19473 * config/rs6000/rs6000-protos.h: Declare.