1 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3 * real.h (real_isinteger): Declare.
4 * real.c (real_isinteger): Define.
5 * builtins.c (integer_valued_real_p): Use it.
7 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10 * c.opt (Wtraditional-conversion): New.
11 (Wconversion): Update description.
12 * c-typeck.c (convert_arguments): Warnings for prototypes causing
13 type conversions different from what would happen in the absence
14 of prototype are now handled by Wtraditional-conversion.
15 * doc/invoke.texi (Wtraditional-conversion): New.
16 (Wconversion): Update description.
17 * doc/trouble.texi (Wconversion): Replace Wconversion by
18 Wtraditional-conversion.
20 2006-11-23 Andrew Pinski <pinskia@gmail.com>
22 * predict.c (tree_estimate_probability): Check to make
23 sure current_loops is non null before calling flow_loops_dump.
25 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
27 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
29 2006-11-23 David Ung <davidu@mips.com>
31 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
33 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
34 (ASM_SPEC): Pass along -mfp32 and -mfp64.
35 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
36 high part of FP register when in 64-bit FP register mode. Similarly
37 use gen_mfhc1 to load high part of FP register.
38 (override_options): Allow -mgp32 and -mfp64 combination if
39 ISA_HAS_MXHC1 (currently for O32 only).
40 (mips_cannot_change_mode_class): If floating-point registers are
41 bigger than word size. disallow conversion of float register from a
42 large integer mode to a float mode smaller than the float register
44 (mips_class_max_nregs): Handle float registers case seperately.
45 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
47 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
48 (movdf_hardfloat_32bit): Similarly.
49 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
50 support a full 64-bit fpu.
51 (mthc1): New pattern to generate MTHC1 instruction.
52 (mfhc1): New pattern to generate MFHC1 instruction.
53 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
54 option for the MIPS32R2 and mention its use under O32 ABI.
56 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
58 * var-tracking.c (emit_note_insn_var_location): Take care not to
59 cause verify_flow_info failures.
61 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
63 * tree-ssa-structalias.c: Remove edge weights in favor of just
64 processing them as complex constraints.
65 (struct constraint_graph): Remove weighted succs and preds. Rename
66 nonweighted succs and preds.
67 (constraint_edge): Removed.
68 (constraint_edge_t): Ditto.
69 (constraint_edge_pool): Ditto.
70 (new_constraint_edge): Ditto.
71 (constraint_edge_equal): Ditto.
72 (constraint_edge_less): Ditto.
73 (constraint_edge_vec_find): Ditto.
74 (erase_self_graph_edge): Ditto.
75 (add_graph_edge): Removed.
76 (get_graph_weights): Ditto.
77 (allocate_graph_weights): Ditto. (
78 (valid_weighted_graph_edge): Ditto
79 (bitmap_other_than_zero_bit_set): Ditto.
80 (int_add_graph_edge): Renamed to add_graph_edge.
81 (clear_edges_for_node): Remove support for weighted edges.
82 (merge_graph_nodes): Ditto.
83 (valid_graph_edge): Ditto.
84 (build_constraint_graph): Ditto.
86 (collapse_nodes): Ditto.
87 (process_unification_queue): Ditto.
89 (do_ds_constraint): Ditto.
90 (perform_var_subsitution): Ditto.
92 (init_alias_vars): Ditto.
93 (delete_points_to_sets): Ditto.
94 (do_complex_constraint): Support offsetted copies here.
96 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
98 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
100 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
102 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
105 2006-11-23 Ben Elliston <bje@au.ibm.com>
107 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
109 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
111 PR tree-optimization/29921
112 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
113 signed and unsigned zero equal.
115 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
117 * config/rs6000/rs6000.c (get_store_dest): New.
118 (adjacent_mem_locations): Use get_store_dest() to get
119 the rtl of the store destination.
121 2006-11-22 Joseph Myers <joseph@codesourcery.com>
123 * config/rs6000/spe.md (SPE64): New mode macro.
124 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
126 (mov_si<mode>_e500_subreg0_2): New.
127 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
129 (mov_si<mode>_e500_subreg4_2): New.
130 * config/rs6000/predicates.md (input_operand): Do not allow
131 invalid E500 subregs.
132 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
134 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
135 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
136 involving vector modes if TARGET_SPE.
138 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
141 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
142 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
144 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
146 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
147 mem_i_address_operand): New predicates.
148 * config/bfin/bfin.c (bfin_issue_rate): New function.
149 (TARGET_SCHED_ISSUE_RATE): New macro.
150 * config/bfin/bfin.md (addrtype): New attribute.
151 (slot0, slot1, slot2, store, pregs): New cpu_units.
152 (core): Now a define_reservation.
153 (alu): Remove some insn types from this reservation.
154 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
156 (dummy reservation): Don't trigger for mcld insns.
157 (absence_sets): Two new absence sets to enforce slot ordering.
158 (popsi_insn): Set addrtype.
160 2006-11-22 Ira Rosen <irar@il.ibm.com>
162 * doc/c-tree.texi: Document new tree codes.
163 * doc/md.texi: Document new optabs.
164 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
166 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
167 * optabs.h (optab_index): Add new.
168 (vec_extract_even_optab, vec_extract_odd_optab,
169 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
170 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
171 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
173 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
174 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
175 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
176 along with macros for their access.
177 * tree-data-ref.h (first_location_in_loop, data_reference): Update
179 * tree-vect-analyze.c (toplev.h): Include.
180 (vect_determine_vectorization_factor): Fix indentation.
181 (vect_insert_into_interleaving_chain,
182 vect_update_interleaving_chain, vect_equal_offsets): New functions.
183 (vect_analyze_data_ref_dependence): Add argument for interleaving
184 check. Check for interleaving if it's true.
185 (vect_check_dependences): New function.
186 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
187 every ddr. Call vect_analyze_data_ref_dependence with new argument.
188 (vect_update_misalignment_for_peel): Update for interleaving.
189 (vect_verify_datarefs_alignment): Check only first data-ref for
191 (vect_enhance_data_refs_alignment): Update for interleaving. Check
192 only first data-ref for interleaving.
193 (vect_analyze_data_ref_access): Check interleaving, update
195 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
196 with different parameters.
197 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
198 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
199 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
200 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
201 Update step in case of interleaving.
202 (vect_strided_store_supported, vect_permute_store_chain): New
204 (vectorizable_store): Handle strided stores.
205 (vect_strided_load_supported, vect_permute_load_chain,
206 vect_transform_strided_load): New functions.
207 (vectorizable_load): Handle strided loads.
208 (vect_transform_stmt): Add argument. Handle strided stores. Check
209 that vectorized stmt exists for patterns.
210 (vect_gen_niters_for_prolog_loop): Update calculation for
212 (vect_transform_loop): Remove stmt_vec_info for strided stores after
213 whole chain vectorization.
214 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
215 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
216 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
217 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
218 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
220 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
222 * cse.c (enum taken): Remove PATH_AROUND.
223 (addr_affects_sp_p, invalidate_skipped_set,
224 invalidate_skipped_block): Remove.
225 (cse_end_of_basic_block): Remove skip_blocks and related code.
226 (cse_main): Don't test for flag_cse_skip_blocks.
227 Update cse_end_of_basic_block call.
228 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
229 code to lengthen the path if a jump was simplified.
231 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
233 PR rtl-optimization/29924
234 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
235 (unroll_loop_runtime_iterations): Assert that the argument passed to
236 split_edge_and_insert is not NULL.
237 * loop-doloop.c (add_test): Ditto.
239 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
241 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
243 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
244 * cfgloopmanip.c (update_single_exits_after_duplication,
245 update_single_exit_for_duplicated_loop, loop_version): Ditto.
246 * tree-scalar-evolution.c (get_loop_exit_condition,
247 get_exit_conditions_rec, loop_closed_phi_def,
248 number_of_iterations_in_loop, scev_const_prop): Ditto.
249 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
250 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
252 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
254 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
255 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
256 slpeel_make_loop_iterate_ntimes,
257 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
258 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
260 * tree-if-conv.c (if_convertible_loop_p): Ditto.
261 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
262 vect_analyze_loop_form): Ditto.
263 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
264 can_convert_to_perfect_nest, perfect_nestify): Ditto.
265 * tree-vect-transform.c (vect_create_epilog_for_reduction,
266 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
267 vect_transform_loop): Ditto.
268 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
269 (single_exit, set_single_exit): New functions.
270 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
271 (single_exit, set_single_exit): Declare.
272 * doc/loop.texi: Undocument single_exit field. Document single_exit
275 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
277 PR tree-optimization/29902
278 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
279 any involved ssa name appears in abnormal phi node.
281 2006-11-21 Bob Wilson <bob.wilson@acm.org>
283 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
284 (xtensa_const_ok_for_letter_p): Delete.
285 (xtensa_extra_constraint): Delete.
286 (override_options): Delete xtensa_char_to_class initialization.
287 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
288 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
289 (EXTRA_CONSTRAINT): Delete.
290 * config/xtensa/xtensa.md: Include constraints.md.
291 (call_internal): Combine alternatives.
292 (call_value_internal): Likewise, and remove invalid constraints.
293 * config/xtensa/constraints.md: New file.
294 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
295 (xtensa_extra_constraint): Delete.
296 * doc/md.texi (Machine Constraints): Refer to constraints.md for
299 2006-11-21 Janis Johnson <janis187@us.ibm.com>
301 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
302 of conversion that doesn't fit.
304 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
305 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
306 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
308 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
310 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
312 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
314 2006-11-21 Richard Guenther <rguenther@suse.de>
316 * tree-vectorizer.h (NUM_PATTERNS): Increase.
317 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
318 vect_recog_pow_pattern.
319 (vect_recog_pow_pattern): New function.
321 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
323 * config/bfin/bfin.opt (mstack-check-l1): New.
324 * doc/invoke.texi (Blackfin Options): Document it.
325 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
326 stack bounds in L1 memory if the new option is enabled.
327 (override_options): Don't allow combinations of -fstack-limit and
329 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
332 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
334 (bfin_register_move_cost): Bump costs if trying to move plain
335 integer values through accumulators.
337 2006-11-21 Ben Elliston <bje@au.ibm.com>
339 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
341 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
342 Russell Olsen <Russell_Olsen@playstation.sony.com>
343 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
344 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
345 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
346 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
347 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
349 * config.gcc: Add target for SPU.
350 * config/spu/constraints.md: New file.
351 * config/spu/crt0.c: New file.
352 * config/spu/crtend.c: New file.
353 * config/spu/crti.asm: New file.
354 * config/spu/crtn.asm: New file.
355 * config/spu/float_unsdidf.c: New file.
356 * config/spu/float_unssidf.c: New file.
357 * config/spu/predicates.md: New file.
358 * config/spu/spu-builtins.def: New file.
359 * config/spu/spu-builtins.h: New file.
360 * config/spu/spu-builtins.md: New file.
361 * config/spu/spu-c.c: New file.
362 * config/spu/spu-elf.h: New file.
363 * config/spu/spu-modes.def: New file.
364 * config/spu/spu-protos.h: New file.
365 * config/spu/spu.c: New file.
366 * config/spu/spu.h: New file.
367 * config/spu/spu.md: New file.
368 * config/spu/spu.opt: New file.
369 * config/spu/spu_internals.h: New file.
370 * config/spu/spu_intrinsics.h: New file.
371 * config/spu/spu_mfcio.h: New file.
372 * config/spu/t-spu-elf: New file.
373 * config/spu/vec_types.h: New file.
374 * config/spu/vmx2spu.h: New file.
375 * doc/contrib.texi: Document SPU contributor.
376 * doc/extend.texi: Document SPU extensions.
377 * doc/invoke.texi: Document SPU options.
378 * doc/md.texi: Document SPU constraints.
380 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
382 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
384 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
386 (flow_loop_dump): Do not dump loop level.
387 (flow_loops_find): Do not call flow_loops_level_compute.
388 * cfgloop.h (struct loop): Remove level field.
390 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
392 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
393 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
394 Use vector of edges instead of array.
395 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
396 estimate_numbers_of_iterations_loop): Ditto.
397 * predict.c (predict_loops): Ditto.
398 * loop-unroll.c (analyze_insns_in_loop): Ditto.
399 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
401 * basic-block.h: Declare heap allocation for edge vectors.
402 * tree-outof-ssa.c: Ditto.
403 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
404 * cfgloop.h (get_loop_exit_edges): Declaration changed.
406 2006-11-20 Zack Weinberg <zackw@panix.com>
408 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
409 Add another out parameter, "skip".
410 (set_gc_used_type): Adjust calls to process_gc_options. If a field
411 is tagged "skip", do not mark its type used.
413 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
416 * tree-sra.c (single_scalar_field_in_record_p): New function.
417 (decide_block_copy): Use it.
419 2006-11-20 David Daney <ddaney@avtrex.com>
421 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
422 PC to point to following instruction.
424 2006-11-20 Anatoly Sokolov <aesok@post.ru>
428 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
430 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
432 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
434 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
435 Add sh/superh.h to tm_file.
437 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
438 Mark Mitchell <mark@codesourcery.com>
440 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
442 (cpp_relocated): New function.
443 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
445 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
446 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
447 replace configured prefix with gcc_exec_prefix.
449 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
451 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
452 bfin_legitimate_constant_p.
453 * config/bfin/bfin.md (movsi expander): Check return value of
455 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
456 (expand_move): Adjust prototype.
457 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
458 invalid constants specially.
459 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
461 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
463 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
464 sibcall_value_symbol): Allow these patterns if
465 TARGET_LEAF_ID_SHARED_LIBRARY.
466 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
467 (override_options): Turn on id shared library flags if -msep-data,
468 but disallow the combination of these options on the command line.
469 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
470 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
471 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
473 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
474 * doc/invoke.texi (Blackfin Options): Document new switches.
476 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
477 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
479 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
480 inflate costs for addresses with an out-of-bounds address.
482 2006-11-19 Andrew Pinski <pinskia@gmail.com>
485 * fwprop.c (loops): Remove.
486 (forward_propagate_into): Use current_loops instead of
488 (fwprop_init): Call loop_optimizer_init instead of
490 (fwprop_done): Call loop_optimizer_finalize instead of
492 (fwprop): Use current_loops instead of loops.
494 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
497 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
499 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
502 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
503 larger than BITS_PER_WORD.
505 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
509 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
510 to MAX_FIXED_MODE_SIZE.
512 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
515 (fold_builtin_fmin_fmax): New.
516 (fold_builtin_1): Use it.
518 * fold-const.c (fold_strip_sign_ops): Handle copysign.
520 2006-11-18 Richard Guenther <rguenther@suse.de>
522 * config/i386/i386.c (ix86_builtins): New array for ix86
523 builtin function decls.
524 (def_builtin): New function.
525 (def_builtin_const): Likewise.
526 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
528 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
530 * doc/invoke.texi (core2): Add item.
532 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
534 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
535 (TARGET_CPU_DEFAULT_generic): Change value.
536 (TARGET_CPU_DEFAULT_NAMES): Add core2.
537 (processor_type): Add new constant PROCESSOR_CORE2.
539 * config/i386/i386.md (cpu): Add core2.
541 * config/i386/i386.c (core2_cost): New initialized variable.
542 (m_CORE2): New macro.
543 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
544 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
545 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
546 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
547 x86_partial_reg_dependency, x86_memory_mismatch_stall,
548 x86_accumulate_outgoing_args, x86_prologue_using_move,
549 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
550 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
551 x86_use_incdec, x86_four_jump_limit, x86_schedule,
552 x86_pad_returns): Add m_CORE2.
553 (override_options): Add entries for Core2.
554 (ix86_issue_rate): Add case for Core2.
556 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
558 * doc/invoke.texi: Fix mno-isel typo.
560 2006-11-18 Joseph Myers <joseph@codesourcery.com>
562 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
563 easy vector constant loads.
565 2006-11-18 Joseph Myers <joseph@codesourcery.com>
567 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
568 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
569 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
570 * config/rs6000/sync.md (lwsync): Emit plain sync if
573 2006-11-17 DJ Delorie <dj@redhat.com>
575 * reload1.c (reloads_unique_chain): New.
576 (reloads_conflict): Call it.
578 2006-11-17 Bob Wilson <bob.wilson@acm.org>
580 * config/xtensa/predicates.md (addsubx_operand): New.
581 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
582 (xtensa_emit_bit_branch): New.
583 (xtensa_emit_movcc): New.
584 * config/xtensa/xtensa.md (any_minmax): New code macro.
585 (minmax): New code attribute.
586 (any_cond, any_scc, any_scc_sf): New code macros.
587 (*addx2, *addx4, *addx8): Delete.
589 (*subx2, *subx4, *subx8): Delete.
591 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
592 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
593 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
594 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
595 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
596 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
597 (movsfcc_internal0, movsfcc_internal1): Likewise.
598 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
599 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
600 (xtensa_emit_bit_branch): New.
601 (xtensa_emit_movcc): New.
602 (function_arg_boundary): Add missing prototype.
604 2006-11-17 Bob Wilson <bob.wilson@acm.org>
606 * config/xtensa/xtensa.md (tstsi): Delete
608 2006-11-17 Bob Wilson <bob.wilson@acm.org>
610 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
612 2006-11-17 Bob Wilson <bob.wilson@acm.org>
614 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
616 2006-11-17 Bob Wilson <bob.wilson@acm.org>
618 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
620 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
622 * tree-vrp.c (execute_vrp): Do not update current_loops.
623 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
624 * doc/loop.texi: Remove documentation for cancelled functions.
625 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
626 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
628 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
629 (remove_path): Ensure that in delete_basic_blocks, the loops
631 (add_loop): Work on valid loop structures.
632 (loopify): Modify call of add_loop.
633 (mfb_update_loops): Removed.
634 (create_preheader): Do not update loops explicitly.
635 (force_single_succ_latches, loop_version): Do not use
636 loop_split_edge_with.
637 (loop_split_edge_with): Removed.
638 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
639 Do not use bsi_insert_on_edge_immediate_loop.
640 (split_loop_exit_edge, tree_unroll_loop): Do not use
641 loop_split_edge_with.
642 (bsi_insert_on_edge_immediate_loop): Removed.
643 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
644 use loop_split_edge_with.
645 * cfghooks.c: Include cfgloop.h.
646 (verify_flow_info): Verify that loop_father is filled iff current_loops
648 (redirect_edge_and_branch_force, split_block, delete_basic_block,
649 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
651 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
653 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
654 loop_split_edge_with.
655 (sms_schedule): Use current_loops.
656 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
657 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
659 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
660 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
661 * ifcvt.c (if_convert): Ditto.
662 * predict.c (predict_loops): Do not clear current_loops.
663 (tree_estimate_probability): Use current_loops.
664 (propagate_freq): Receive head of the region to propagate instead of
666 (estimate_loops_at_level): Do not use shared to_visit bitmap.
667 (estimate_loops): New function. Handle case current_loops == NULL.
668 (estimate_bb_frequencies): Do not allocate tovisit. Use
670 * tree-ssa-loop.c (current_loops): Removed.
671 (tree_loop_optimizer_init): Do not return loops.
672 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
673 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
674 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
675 Do not update loops explicitly.
676 * function.h (struct function): Add x_current_loops field.
677 (current_loops): New macro.
678 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
679 * loop-unroll.c (split_edge_and_insert): New function.
680 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
681 use loop_split_edge_with.
682 * loop-doloop.c (add_test, doloop_modify): Ditto.
683 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
684 * cfglayout.c (copy_bbs): Do not update loops explicitly.
685 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
686 * tree-vect-transform.c (vect_transform_loop): Do not update loops
688 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
689 (flow_loops_free): Do not free dfs_order and rc_order.
690 (flow_loops_find): Do not set dfs_order and rc_order in loops
691 structure. Do not call loops and flow info verification.
692 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
693 already belongs to some loop.
694 * cfgloop.h (struct loops): Remove struct cfg.
695 (current_loops, loop_split_edge_with): Declaration removed.
696 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
697 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
699 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
700 * basic-block.h (split_edge_and_insert): Declare.
701 * tree-cfg.c (remove_bb): Do not update loops explicitly.
703 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
705 PR tree-optimization/29801
706 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
707 (get_default_value): Use get_symbol_constant_value.
708 (set_lattice_value): ICE when the value of the constant is
710 (visit_assignment): Ignore VDEFs of read-only variables.
712 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
714 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
716 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
717 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
719 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
721 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
722 select subvars of var.
724 2006-11-17 Jakub Jelinek <jakub@redhat.com>
727 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
728 optimize if DEF doesn't have integral type.
730 2006-11-16 Mike Stump <mrs@apple.com>
732 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
733 pre-darwin9 system, unless the user asks for it directly.
734 (PREFERRED_DEBUGGING_TYPE): Likewise.
735 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
736 * config.gcc: Add suppport for darwin9.h.
737 * config/darwin9.h: Add.
738 * doc/install.texi (Specific): Clarify darwin documentation.
740 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
742 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
745 2006-11-16 Mike Stump <mrs@apple.com>
747 * Makefile.in (targhooks.o): Add $(OPTABS_H).
749 2006-11-16 Dirk Mueller <dmueller@suse.de>
751 * tree-vrp.c (get_value_range): Use XCNEW instead
753 (insert_range_assertions): Use XCNEWVEC instead
754 of XNEWVEC and memset.
755 (vrp_initialize): Same.
756 (vrp_finalize): Same.
757 * tree-ssa-ccp.c (ccp_initialize): Same.
758 * predict.c (tree_bb_level_predictions): Same.
759 * calls.c (expand_call): Same.
760 * tree-ssa-copy.c (init_copy_prop): Same.
761 (fini_copy_prop): Same.
762 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
763 of GGC_NEW and memset.
765 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
768 * gimplify.c (gimplify_expr): Only force a load for references to
769 non-BLKmode volatile values.
770 * doc/implement-c.texi (Qualifiers implementation): Document the
771 interpretation of what a volatile access is.
772 * doc/extend.texi (C++ Extensions): Rework same documentation.
774 2006-11-16 Joseph Myers <joseph@codesourcery.com>
776 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
779 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
781 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
783 (arm_neg_abssi2): Renamed from neg_abssi2.
784 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
786 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
788 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
789 number of arguments passed to local functions in SSE registers is 3.
791 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
792 number of arguments passed in SSE registers to 3.
794 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
797 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
799 (get_last_bb_insn): ... new global function.
800 (basic_block.h): Declare it.
801 * haifa-sched.c (create_recovery_block): Use it.
803 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
806 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
808 2006-11-15 Paul Brook <paul@codesourcery.com>
810 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
811 _Unwind_GetTextRelBase): Move from here ...
812 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
813 _Unwind_GetTextRelBase): ... To here.
815 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
817 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
818 addresses we generate for testing are aligned.
820 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
823 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
824 to what is the const decl is a place holder for.
826 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
828 * config/i386/i386.opt: New target option -mx87regparm.
830 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
831 and float_in_x87 variables. mmx_words, sse_words: Remove.
832 (X87_REGPARM_MAX): Define.
834 * config/i386/i386.c (override_options): Error out for
835 -mx87regparm but no 80387 support.
836 (ix86_attribute_table): Add x87regparm.
837 (ix86_handle_cconv_attribute): Update comments for x87regparm.
838 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
839 (ix86_function_x87regparm): New function.
840 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
842 (init_cumulative_args): Initialize x87_nregs and float_in_x87
844 (function_arg_advance): Process x87_nregs and x87_regno when
845 floating point argument is to be passed in 80387 register.
846 (function_arg): Pass XFmode arguments in 80387 registers for local
847 functions. Pass SFmode and DFmode arguments to local functions
848 in 80387 registers when flag_unsafe_math_optimizations is set.
850 * reg-stack.c (convert_regs_entry): Disable NaN load for
851 stack registers that are used for argument passing.
853 * doc/extend.texi: Document x87regparm function attribute.
854 * doc/invoke.texi: Document -mx87regparm.
856 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
858 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
859 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
860 arg MODE; all callers changed. Use it to determine validity per
861 machine mode instead of using Pmode for all memory references.
862 (get_address_cost): Likewise add and use new arg MEM_MODE.
864 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
865 J"orn Rennecke <joern.rennecke@st.com>
867 * combine.c (likely_spilled_retval_1): Fix masking operation.
868 (likely_spilled_retval_p): Use proper pattern for call to
869 likely_spilled_retval_1.
871 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
873 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
875 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
876 that tests for CONSTANT_POOL_ADDRESS_P.
878 2006-11-15 Jakub Jelinek <jakub@redhat.com>
880 PR tree-optimization/29581
881 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
882 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
883 type is different between Y and USE, create a temporary
884 variable, initialize it at the beginning of the body bb
885 and use it as replacement instead of Y.
887 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
890 * gimplify.c (fold_indirect_ref_rhs): Use
891 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
893 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
895 * expmed.c (emit_store_flag_1): New function.
896 (emit_store_flag): Call it. If we can't find a suitable scc insn,
898 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
899 Use do_compare_rtx_and_jump.
900 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
901 * arm.md (cstoresi4): New define_expand.
902 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
903 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
904 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
906 2006-11-14 Caroline Tice <ctice@apple.com>
908 * dwarf2out.c (debug_pubtypes_section): New static global variable.
909 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
911 (pubname_table): Redefine as a vector.
912 (pubtype_table): New static global variable, defined as a vector.
913 (pubname_table_allocated): Remove static global variable.
914 (pubname_table_in_use): Remove static global variable.
915 (PUBNAME_TABLE_INCREMENT): Remove constant.
916 (size_of_pubnames): Add parameter to deal with either pubnames or
917 pubtypes, and change code to deal with table being a vector.
918 (add_pubname): Change to deal with table being a vector.
919 (add_pubtype): New function.
920 (output_pubnames): Add parameter to deal with either pubnames or
921 pubtypes, and change code to deal with table being a vector.
922 (gen_array_type_die): Add call to add_pubtype.
923 (gen_enumeration_type_die): Add call to add_pubtype.
924 (gen_struct_or_union_type_die): Add call to add_pubtype.
925 (gen_subroutine_type_die): Add call to add_pubtype.
926 (gen_typedef_die): Add call to add_pubtype.
927 (dwarf2out_init): Add code to initialize pubname_table and
928 pubtype_table vectors; also initialize debug_pubtypes_section.
929 (prune_unused_types): Change to deal with pubnames being a vector.
930 (dwarf2out_finish): Change to deal with pubnames being a vector; add
931 pubnames table to call to output_pubnames; Add code to output pubtypes
932 table if DEBUG_PUBTYPES_SECTION is defined.
933 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
935 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
937 2006-11-14 Joseph Myers <joseph@codesourcery.com>
939 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
940 iwmmxt_nregs if TARGET_IWMMXT_ABI.
941 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
942 movv2si_internal): Support moves between core registers.
944 2006-11-14 Eric Christopher <echristo@apple.com>
946 * configure: Regenerate with autoconf 2.59.
948 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
950 Fix PR tree-optimization/27755
952 * tree-ssa-pre.c: Update comments.
953 (bb_bitmap_sets): Add pa_in and deferred member.
954 (BB_DEFERRED): New macro.
955 (maximal_set): New variable.
956 (pre_stats): Add pa_insert member.
957 (bitmap_set_and): Short circuit orig == dest.
958 (bitmap_set_subtract_values): New function.
959 (bitmap_set_contains_expr): Ditto.
960 (translate_vuses_through_block): Add phiblock argument.
961 (dependent_clean): New function.
962 (compute_antic_aux): Update for maximal_set changes.
963 (compute_partial_antic_aux): New function.
964 (compute_antic): Handle partial anticipation.
965 (do_partial_partial_insertion): New function.
966 (insert_aux): Handle partial anticipation.
967 (add_to_sets): Add to maximal set.
968 (compute_avail): Ditto.
969 (init_pre): Initialize maximal_set.
970 (execute_pre): Do partial anticipation if -O3+.
972 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
974 PR rtl-optimization/29798
976 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
977 TARGET_INSN before any other check.
978 (fwprop_init): Always calculate dominators.
979 (fwprop_done): Always free them.
981 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
983 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
986 2006-11-13 DJ Delorie <dj@redhat.com>
988 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
989 temporary for intermediates.
991 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
993 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
994 (sh_optimize_target_register_callee_saved): #if 0 the code
995 using NOTE_INSN_LOOP_{BEG,END}.
997 2006-11-13 Roger Sayle <roger@eyesopen.com>
999 * fold-const.c (optimize_bit_field_compare): Recursively call
1000 fold when simplifying non-constant comparisons between bit-fields.
1002 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1004 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1006 * configure: Rebuilt.
1008 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1010 * config/rs6000/cell.md: New file.
1011 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1013 (ppccell_cost): New cost matrix.
1014 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1015 (rs6000_override_options): Set rs6000_always_hint to false
1016 for cell. Also align functions/lables/loops to 8byte
1017 for the Cell. Use PROCESSOR_CELL.
1018 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1019 using_mtcr_multiple.
1020 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1021 on the Cell, return 0.
1022 (rs6000_adjust_cost): Add Cell cost adjustments.
1023 (is_microcoded_insn): Return true for Cell microcoded
1025 (is_nonpipeline_insn): New function.
1026 (rs6000_issue_rate): Add PROCESSOR_CELL.
1027 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1029 (rs6000_use_sched_lookahead_guard): New function.
1030 (rs6000_sched_reorder): Reorder the ready list, if the second
1031 to last ready insn is a nonepipeline insn on the Cell.
1032 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1033 (ASM_CPU_SPEC): Add Cell.
1034 * config/rs6000/rs6000.md (cpu): Add Cell.
1035 (cell_micro): New Attr.
1038 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1040 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1042 * configure: Rebuilt.
1044 2006-11-13 Richard Guenther <rguenther@suse.de>
1046 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1048 (ix86_expand_lfloorceil): Likewise.
1049 (ix86_expand_rint): Likewise.
1050 (ix86_expand_floorceildf_32): Likewise.
1051 (ix86_expand_floorceil): Likewise.
1052 (ix86_expand_rounddf_32): Likewise.
1053 (ix86_expand_truncdf_32): Likewise.
1054 (ix86_expand_round): Likewise.
1056 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1057 Mark Mitchell <mark@codesourcery.com>
1059 * gcc.c: Organize search path variables into $prefix relative,
1060 and well-known native. Add comments.
1061 (add_sysrooted_prefix): Add comment.
1062 (process_command): If !gcc_exec_prefix add $prefix based paths.
1063 If *cross_compile == '0', add native well-known paths.
1064 Assert tooldir_base_prefix is always relative.
1065 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1066 use this value for 'install:' path.
1067 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1069 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1071 * config/i386/i386.c: Fix a typo in comment.
1073 2006-11-13 Michael Matz <matz@suse.de>
1075 * genemit.c (gen_expand): Allocate enough memory.
1077 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1079 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1080 __GXX_TYPEINFO_EQUALITY_INLINE but not
1081 __GXX_MERGED_TYPEINFO_NAMES.
1082 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1083 __GXX_MERGED_TYPEINFO_NAMES.
1084 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1085 __GXX_TYPEINFO_EQUALITY_INLINE.
1087 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1088 Zdenek Dvorak <dvorakz@suse.cz>
1090 PR tree-optimization/29680
1091 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1094 2006-11-12 Jason Merrill <jason@redhat.com>
1095 Andrew Pinski <pinskia@physics.uc.edu>
1098 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1100 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1102 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1103 * tree.c (build_vector): Handle non-_CST elements.
1105 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1107 * genemit.c (gen_insn): Call gen_exp with a non-null used
1108 when handling multiple insns.
1109 (gen_expand): Likewise.
1110 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1111 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1112 (movsi_const_16bit+1): Copy operands[1].
1113 (call_pcrel): Copy the call_site pattern.
1114 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1116 2006-11-12 Roger Sayle <roger@eyesopen.com>
1118 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1119 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1120 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1121 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1123 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1125 Fix PR tree-optimization/29587
1126 * tree-ssa-structalias.c (process_constraint): Don't
1127 mark address taken due only to escaped vars constraint.
1129 2006-11-12 Michael Matz <matz@suse.de>
1130 Roger Sayle <roger@eyesopen.com>
1132 PR rtl-optimization/29797
1133 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1134 BITS_BIG_ENDIAN targets.
1136 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * builtins.c (fold_builtin_cosh): New.
1139 (fold_builtin_1): Use it.
1140 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1141 trunc to the list of "odd" functions. Also add llrint, lrint,
1142 rint and nearbyint when flag_rounding_math is false.
1144 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1146 * tree-flow.h (name_mappings_registered_p): Declare.
1147 * tree-into-ssa.c (name_mappings_registered_p): New function.
1148 * tree-cfg.c (tree_can_merge_blocks_p): Check
1149 name_mappings_registered_p instead of need_ssa_update_p.
1151 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1153 * tree-ssa-loop.c (tree_vectorize): Return the result of
1155 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1156 if anything changed.
1157 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1158 * tree-flow.h (vectorize_loops): Declaration changed.
1160 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1162 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1164 (issue_prefetch_ref): Move assignment to write_p out of loop.
1165 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1166 SIMULTANEOUS_PREFETCHES into account.
1167 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1168 * lambda-code.c (lcm): Renamed to ...
1169 (least_common_multiple): ... and exported.
1170 * tree-flow.h (least_common_multiple): Declare.
1172 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1174 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1175 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1176 ud-chains. Handle AND_EXPR.
1177 (record_estimate): Record whether the estimate is realistic
1178 and whether it is derived from a loop exit.
1179 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1180 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1182 (compute_estimated_nb_iterations): Take only realistic bounds into
1183 account. Set estimate_state. Use double_ints.
1184 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1185 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1186 that do not have to be always executed.
1187 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1188 to determine whether to call infer_loop_bounds_from_undefined
1189 and compute_estimated_nb_iterations.
1190 (n_of_executions_at_most): Use double_ints.
1191 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1192 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1193 * double-int.c (double_int_to_tree): Improve comment.
1194 (double_int_fits_to_tree_p): New function.
1195 * double-int.h (double_int_fits_to_tree_p): Declare.
1196 * tree-data-ref.c: Include langhooks.h.
1197 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1198 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1199 (analyze_array): Do not pass estimate_only argument to
1200 analyze_array_indexes.
1201 (get_number_of_iters_for_loop): Build tree from the stored double_int
1203 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1204 (find_data_references_in_loop): Use find_data_references_in_stmt.
1205 * tree-data-ref.h (struct data_ref_loc_d): New.
1206 (get_references_in_stmt): Declare.
1207 (estimate_iters_using_array): Declaration removed.
1208 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1209 double_int. Improve comments. Add is_exit and realistic
1211 (struct loop): Changed type of estimated_nb_iterations to double_int.
1212 Added estimate_state field.
1213 (record_estimate): Declaration removed.
1215 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1217 * params.c (set_param_value): Initialize the "set" field.
1218 * params.h (struct param_info): Add "set" field.
1219 (PARAM_SET_P): New macro.
1220 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1221 L1_CACHE_LINE_SIZE): New macros.
1222 * toplev.c (DEFPARAM): Initialize the "set" field.
1223 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1224 SIMULTANEOUS_PREFETCHES): Removed.
1225 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1226 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1227 * config/sparc/sparc.c: Include params.h.
1228 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1229 L1_CACHE_LINE_SIZE parameters.
1230 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1232 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1234 * config/i386/i386.c: Include params.h.
1235 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1236 (override_options): Set SIMULTANEOUS_PREFETCHES and
1237 L1_CACHE_LINE_SIZE parameters.
1238 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1239 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1240 L1_CACHE_LINE_SIZE parameters.
1241 * config/ia64/ia64.c (ia64_optimization_options): Set
1242 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1243 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1245 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1246 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1247 * doc/invoke.texi: Document new params.
1249 2006-11-12 Roger Sayle <roger@eyesopen.com>
1251 PR tree-optimization/13827
1252 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1255 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1257 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1258 update_single_exit_for_duplicated_loops): New functions.
1259 (duplicate_loop_to_header_edge): Use
1260 update_single_exit_for_duplicated_loops.
1261 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1262 functions only with ENABLE_CHECKING.
1264 2006-11-12 Andreas Schwab <schwab@suse.de>
1266 * except.c (sjlj_emit_function_enter): Remove unused variable.
1268 2006-11-11 Roger Sayle <roger@eyesopen.com>
1270 * fold-const.c (int_binop_types_match_p): New function.
1271 (size_binop): Relax constraint that both arguments must both have
1272 exactly the same sizetype type. Instead use int_binop_types_match_p.
1273 (size_diffop): Likewise.
1275 (make_range): Use build_int_cst instead of fold_convert.
1276 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1277 integer constants of the correct type.
1278 (fold_div_compare): Likewise.
1279 (fold_single_bit_test): Likewise.
1280 (fold_binary): Likewise.
1281 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1282 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1284 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1287 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1288 non null value if the struct memory access is in the 0th
1291 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1294 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1295 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1298 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1299 instead of builtin_define for bfin and BFIN.
1301 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1303 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1306 2006-11-11 Jan Hubicka <jh@suse.cz>
1308 * extended.texi (__builtin_expect): We no longer require second argument
1310 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1311 * builtins.c (expand_builtin_expect): Simplify.
1312 (expand_builtin_expect_jump): Kill.
1313 * final.c (final_scan_insn): Do not skip the removed notes.
1314 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1315 EXPECTED_VALUE): Remove.
1316 * dojump.c (do_jump): Do not care about __builtin_expect.
1317 * predict.c (expected_value_to_br_prob): Kill.
1318 * function.c (expand_function_end): Do not expand
1319 NOTE_INSN_REPEATED_LINE_NUMBER.
1320 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1321 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1322 * cfgexpand.c (add_reg_br_prob_note): Export.
1323 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1324 expected_value_to_br_prob.
1325 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1326 * rtl.h (add_reg_br_prob_note): Declare.
1328 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1330 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1332 2006-11-11 Jan Hubicka <jh@suse.cz>
1334 * predict.c (predict_loops): Kill RTL variant.
1336 2006-11-11 Jan Hubicka <jh@suse.cz>
1338 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1339 * modulo-sched.c (find_line_note): Remove.
1340 (loop_canon_p): Do not worry about line number notes.
1341 (sms_schedule): Likewise.
1342 * cse.c (cse_main): Likewise.
1343 * regmove.c (fixup_match_1): Likewise
1344 * function.c (emit_return_info_block): Likewise.
1345 (expand_function_end): Likewise.
1346 (thread_prologue_an_epilogue_insns): Likewise.
1347 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1349 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1350 emit_note_copy_after): Kill.
1351 (emit_note_copy): Do not worry about line numbers.
1352 * jump.c (purge_line_number_notes): Kill.
1353 (pass_purge_lineno_notes): Kill.
1354 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1356 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1357 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1358 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1359 * tree-pass.h (pass_purge_lineno_notes): Kill.
1360 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1361 rm_redundant_line_notes.
1362 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1363 rm_redundant_line_notes.
1364 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1365 * haifa-sched.c: Update comment about handling notes.
1366 (unlink_line_notes): Kill.
1367 (rm_line_notes): Kill.
1368 (save_line_notes): Simplify.
1369 (rm_redundant_line_notes): Kill.
1371 2006-11-11 Richard Guenther <rguenther@suse.de>
1373 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1374 Remove unused tree codes.
1375 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1376 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1377 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1378 * tree.c (stabilize_reference): Likewise.
1379 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1380 fold_unary): Likewise.
1381 * tree-gimple.c (is_gimple_cast): Likewise.
1382 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1383 * expr.c (expand_expr_real_1): Likewise.
1384 * tree-eh.c (tree_could_trap_p): Likewise.
1385 * gimplify.c (gimplify_expr): Likewise.
1386 * tree-inline.c (estimate_num_insns_1): Likewise.
1387 * tree-cfg.c (verify_expr): Likewise.
1389 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1391 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1392 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1393 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1395 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1398 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1399 constraints accept neither registers or memories.
1401 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1403 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1404 (NO_PROFILE_COUNTERS): Define as 1.
1406 2006-11-10 Roger Sayle <roger@eyesopen.com>
1408 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1409 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1411 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1413 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1415 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1418 (fold_builtin_hypot): Likewise.
1419 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1421 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1423 2006-11-10 Roger Sayle <roger@eyesopen.com>
1425 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1426 when attempting to build INTEGER_CSTs of non-integral types.
1427 * expmed.c (make_tree): Use the correct type, i.e. the inner
1428 type, when constructing the individual elements of a CONST_VECTOR.
1430 2006-11-10 Jan Hubicka <jh@suse.cz>
1432 * cse.c (cse_process_notes): Copy the propagated value.
1433 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1435 * gcse.c (try_replace_reg): Copy the replacement.
1436 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1437 (assign_386_stack_local): Always return copied memory expression
1438 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1441 2006-11-10 Jan Hubicka <jh@suse.cz>
1443 * final.c (final): Walk from first instruction.
1444 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1446 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1449 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1451 (umulv8hi3_highpart): Ditto.
1452 (vec_widen_smult_hi_v8hi): New expander.
1453 (vec_widen_smult_lo_v8hi): Ditto.
1455 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1458 * builtins.c (do_mpfr_arg3): New.
1459 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1461 2006-11-09 Eric Christopher <echristo@apple.com>
1466 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1467 * config.gcc (powerpc64-*-darwin*): New target.
1468 * config.host: Ditto.
1469 * config/rs6000/darwin64.h: New file.
1470 * config/rs6000/x-darwin64: Ditto.
1471 * config/rs6000/host-ppc64-darwin.c: Ditto.
1473 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1475 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1476 routines for integer division.
1478 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1480 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1482 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1485 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1487 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1489 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1490 simplify_subreg with BLKmode outer mode.
1492 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1494 * doc/invoke.texi: Minor formatting fixes in option lists.
1496 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1498 PR tree-optimization/29738
1499 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1500 (ccp_lattice_t): Remove UNKNOWN_VAL.
1501 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1502 Do not handle UNKNOWN_VAL.
1503 (get_default_value): Set initial value of virtual operands to
1505 (get_value): Always use get_default_value on uninitialized
1507 (set_value_varying, surely_varying_stmt_p): New functions.
1508 (set_lattice_value): Do not pass argument to get_value.
1509 Do not handle UNKNOWN_VAL.
1510 (likely_value): Follow the semantics described in the comment.
1511 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1512 phi nodes DONT_SIMULATE_AGAIN.
1513 (ccp_fold): Do not pass argument to get_value.
1514 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1517 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1519 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1520 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1522 2006-11-08 Roger Sayle <roger@eyesopen.com>
1524 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1525 test for inclusion rather than as a test for exclusion.
1526 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1527 the condition after calling fold_binary.
1528 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1529 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1530 * builtins.c (fold_builtin_isascii): Likewise.
1531 (fold_builtin_isdigit): Likewise.
1533 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1535 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1536 * configure: Regenerate.
1538 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1540 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1541 enum argument instead of bool.
1542 (vect_analyze_operations): Call vectorizable_type_promotion.
1543 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1544 stmt_vec_info_type value.
1545 (supportable_widening_operation, vectorizable_type_promotion): New
1546 function declarations.
1547 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1548 (vectorizable_type_promotion): New function.
1549 (vect_transform_stmt): Call vectorizable_type_promotion.
1550 * tree-vect-analyze.c (supportable_widening_operation): New function.
1551 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1553 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1556 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1557 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1558 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1560 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1561 * expr.c (expand_expr_real_1): Likewise.
1562 * optabs.c (optab_for_tree_code): Likewise.
1563 (init_optabs): Initialize new optabs.
1564 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1565 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1566 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1567 vec_unpacku_lo_optab): Initialize new optabs.
1568 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1569 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1570 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1572 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1573 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1574 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1575 (vec_unpacku_lo_optab): New optabs.
1576 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1577 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1578 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1579 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1580 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1581 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1583 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1584 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1585 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1586 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1587 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1588 implement the unsigned unpacking patterns.
1589 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1590 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1591 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1592 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1593 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1594 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1595 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1596 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1597 multiplication patterns.
1599 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1600 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1601 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1602 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1603 (rs6000_builtin_mul_widen_odd): New.
1604 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1605 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1606 * tree-vectorizer.h (enum vect_relevant): New enum type.
1607 (_stmt_vec_info): Field relevant chaned from bool to enum
1609 (STMT_VINFO_RELEVANT_P): Updated.
1610 (STMT_VINFO_RELEVANT): New.
1611 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1612 instead of STMT_VINFO_RELEVANT_P.
1613 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1614 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1615 and boolean variable with enum vect_relevant.
1616 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1617 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1618 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1620 2006-11-08 Richard Henderson <rth@redhat.com>
1622 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1623 vec_widen_umult_lo_v8hi): New.
1624 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1625 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1627 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1628 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1629 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1630 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1631 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1632 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1633 vec_unpacks_lo_v4si): New.
1635 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1637 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1638 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1639 (vect_analyze_operations): Call vectorizable_type_demotion.
1640 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1641 stmt_vec_info_type value.
1642 (vectorizable_type_demotion): New function declaration.
1643 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1646 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1647 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1649 * tree-iniline.c (estimate_num_insns_1): Likewise.
1650 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1651 * optabs.c (optab_for_tree_code): Likewise.
1653 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1654 compared against the predicate of the result is not 'mode' (the input
1655 to the function) but a mode with half the size of 'mode'.
1656 (init_optab): Initialize new optabs.
1657 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1659 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1661 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1662 (vec_pack_usat_optab): Initialize new optabs.
1663 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1664 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1666 2006-11-08 Richard Henderson <rth@redehat.com>
1668 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1669 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1670 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1671 (vec_interleave_highv4si, vec_interleave_lowv4si):
1672 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1674 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1676 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1678 (vect_transform_stmt): Removed redundant code.
1680 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1682 * tree-vect-transform.c (vectorizable_operation): Support multiple
1685 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1687 * tree-vect-transform.c (vect_align_data_ref): Removed.
1688 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1689 Updated function documentation. Return the increment stmt in ptr_incr.
1690 (bump_vector_ptr): New function.
1691 (vect_get_vec_def_for_stmt_copy): New function.
1692 (vect_finish_stmt_generation): Create a stmt_info to newly created
1694 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1696 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1697 VF is greater than the number of elements that can fit in one vector
1699 (vectorizable_operation, vectorizable_condition): Likewise.
1700 (vectorizable_store, vectorizable_load): Support the case that the VF
1701 is greater than the number of elements that can fit in one vector word.
1702 (vect_transform_loop): Don't fail in case of multiple data-types.
1703 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1704 in case of multiple data-types; the smallest type determines the VF.
1705 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1706 if they are of different sizes.
1707 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1708 number of elements rather than number of bytes.
1709 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1710 (vect_can_advance_ivs_p): Fix a dump printout
1712 2006-11-07 Eric Christopher <echristo@apple.com>
1714 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1715 (__bswapsi2): Ditto.
1716 * libgcc2.h: Remove transformation of bswap routines.
1717 * config/i386/i386.md (bswapsi2): New.
1720 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1722 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1723 (handle_gnu_inline_attribute): New function.
1724 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1725 (merge_decls, start_decl, start_function): Likewise.
1726 * doc/extend.texi: Document gnu_inline attribute.
1728 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1731 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1732 _fixunstfdi, and _floatditf
1734 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1736 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1738 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1739 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1740 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1741 which start in an odd register.
1743 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1745 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1747 2006-11-07 Josh Conner <jconner@apple.com>
1749 * doc/invoke.texi (fstrict-aliasing): Move implementation
1751 * doc/tree-ssa.texi (Alias analysis): ...here.
1753 2006-11-07 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/29610
1756 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1757 of tree_purge_dead_eh_edges as it may free dominators.
1759 * g++.dg/other/pr29610.C: New testcase.
1761 2006-11-07 David Ung <davidu@mips.com>
1763 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1764 costs when optimizing for size.
1765 (override_options): Use mips_rtx_cost_optimize_size table for cost
1768 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1770 * gcc.c (process_command): Treat -b as normal switch if its argument
1773 2006-11-07 David Ung <davidu@mips.com>
1775 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1778 2006-11-06 Eric Christopher <echristo@apple.com>
1780 * config.gcc: Add x86_64-darwin host support.
1781 * config.host: Ditto.
1782 * config/i386/darwin64.h: New file.
1783 * config/i386/t-darwin64: Ditto.
1785 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1787 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1788 and output-exists-not.
1790 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1793 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1794 checking for overflow.
1796 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1798 * configure.ac: Fixed typo in case statement: :: changed to ;;
1800 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1802 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1803 count_leading_zeros, and count_trailing_zeros.
1804 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1805 (TARGET_FOLD_BUILTIN): Define.
1806 (TARGET_EXPAND_BUILTIN): Define.
1807 (xtensa_init_builtins): New.
1808 (xtensa_fold_builtin): New.
1809 (xtensa_expand_builtin): New.
1810 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1811 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1812 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1813 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1814 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1815 (any_extend): New code macro.
1816 (u, su): New code attributes.
1817 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1818 (nsau): Remove; replaced by clzsi2.
1819 (ffssi2): Use clzsi2.
1820 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1821 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1822 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1823 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1824 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1826 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1828 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1830 * config/arm/t-strongarm-elf: Likewise.
1831 * config/arm/t-pe: Likewise.
1832 * config/arm/t-arm-elf: Likewise.
1833 * config/arm/t-xscale-elf: Likewise.
1834 * config/arm/t-arm-coff: Likewise.
1835 * config/arm/t-xscale-coff: Likewise.
1836 * config/arm/t-wince-pe: Likewise.
1838 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1840 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1843 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1846 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1849 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1852 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1853 as a valid 80387 constant.
1854 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1855 * config/i386/i386.md (unnamed splitter): Split the load of
1856 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1859 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1861 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1862 from the soft-frame, argument and virtual registers.
1864 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1866 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1867 patterns for standard 80387 constants.
1869 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1870 Steven Bosscher <steven@gcc.gnu.org>
1872 * fwprop.c: New file.
1873 * Makefile.in: Add fwprop.o.
1874 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1875 * passes.c (init_optimization_passes): Schedule forward propagation.
1876 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1878 * timevar.def (TV_FWPROP): New.
1879 * common.opt (-fforward-propagate): New.
1880 * opts.c (decode_options): Enable forward propagation at -O2.
1881 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1882 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1883 canon_for_address, table_size): Remove.
1884 (new_basic_block, insert, remove_from_table): Remove references to
1886 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1887 simplification loop more straightforward by not calling fold_rtx
1889 (equiv_constant): Move here a small part of fold_rtx_subreg,
1890 do not call fold_rtx. Call avoid_constant_pool_reference
1892 * recog.h (canonicalize_change_group): New.
1894 * doc/invoke.texi (Optimization Options): Document fwprop.
1895 * doc/passes.texi (RTL passes): Document fwprop.
1897 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1899 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1900 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1901 (grokdeclarator): Likewise.
1903 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1905 * tree-dump.c (dump_enable_all): Rename local variable
1906 ir_type to avoid name conflicts.
1907 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1908 instead of using ir_type().
1909 * profile.c (tree_register_profile_hooks): Likewise.
1910 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1911 * basic-block.h (struct edge_def): Likewise.
1912 * config/arm/arm.c (legitimize_pic_address): Likewise.
1913 * coretypes.h (ir_type): New enum of all intermediate languages
1915 * cfghooks.c (ir_type): Rename to...
1916 (current_ir_type): ...this. Distinguish between cfgrtl and
1917 cfglayout mode when the current IR is RTL. Return enum ir_type.
1918 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1920 2006-11-03 Paul Brook <paul@codesourcery.com>
1922 * config/arm/arm.c (arm_file_start): New function.
1923 (TARGET_ASM_FILE_START): Define.
1924 (arm_default_cpu): New variable.
1925 (arm_override_options): Set arm_default_cpu.
1927 2006-11-03 David Ung <davidu@mips.com>
1929 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1930 PROCESSOR_24KC and PROCESSOR_24KF.
1931 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1932 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1933 (mips_rtx_cost_data): Add costs for the 24kc.
1934 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1935 * config/mips/24k.md: Remove references to 24k and replace with
1936 uses of 24kc/24kf in the appropriate reservations.
1937 * doc/invoke.texi (MIPS Options): Updated.
1939 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1941 * config/sh/crt1.asm: Fix #ifdef indent.
1943 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1944 Merged from STMicroelectronics sources:
1945 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1946 * config/sh/crt1.asm (vbr_600): Add missing #if.
1947 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1948 * sh.opt (mfused-madd): New option.
1949 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1950 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1951 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1952 Remove pointless handler at VBR+0.
1953 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1954 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1955 fr7. Make sure the timer handler is called with the correct FPU
1956 precision setting, according to the ABI.
1957 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1958 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1959 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1960 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1961 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1962 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1963 zero as second operand.
1964 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1965 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1966 Fixed some bugs related to negative values, in particular -0
1967 and overflow at -0x80000000.
1968 * config/sh/divcost-analysis: Added sh4-300 figures.
1969 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1970 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1971 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1972 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1973 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1974 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1976 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1978 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1979 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1980 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1981 mac_mem, mem_mac, dfp_mul, fp_cmp.
1982 (insn_class, dfp_comp, any_fp_comp): Update.
1983 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1984 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1985 (muldf3_i): Likewise.
1986 (movsi_i): Split rI08 alternative into two separate alternatives.
1988 (movsi_ie, movsi_i_lowpart): Likewise.
1989 (movqi_i): Split ri alternative into two separate alternatives.
1991 * sh1.md (sh1_load_store, sh1_fp): Update.
1992 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1993 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1994 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1995 (sh4a_fp_double_arith): Likewise.
1996 * sh4-300.md: New file.
1997 * sh.c (sh_handle_option): Handle m4-300* options.
1998 (sh_adjust_cost): Fix latency of auto-increments.
1999 Handle SH4-300 differently than other SH4s. Check for new insn types.
2000 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2001 been set by an option.
2002 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2003 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2004 (mbranch-cost=): Likewise.
2005 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2007 * sh.md (mulsf3): Remove special expansion code.
2008 (mulsf3_ie): Now a define_insn_and_split.
2009 (macsf3): Allow for TARGET_SH4.
2011 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2012 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2013 (expand_cbranchdi4): Likewise.
2014 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2015 CONST_DOUBLE if the outer code is COMPARE.
2016 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2017 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2018 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2019 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2020 Remove redundant fp_{zero,one}_operand checks.
2021 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2022 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2023 (expand_cbranchdi4): Likewise.
2024 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2025 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2027 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2029 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2032 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2034 * doc/invoke.texi: Fix mfp-trap-mode typo.
2036 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2038 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2039 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2040 file_end_indicate_exec_stack.
2041 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2043 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2044 for a non-executable stack.
2045 * crti.asm: Likewise.
2046 * crtn.asm: Likewise.
2047 * libunwind.S: Likewise.
2049 2006-11-02 Ben Elliston <bje@au.ibm.com>
2051 * tree-ssa.c (warn_uninit): Use expand_location variables for
2052 locus and declaration locus.
2054 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2057 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2058 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2059 cmp{eq,gt,gtu}{si,di}_media.
2060 (*cmpne0si_media): Remove.
2061 (*movsicc_umin): Adjust gen_cmp*_media call.
2062 (unordered): Change the mode of unordered and operands[1] to
2064 (seq): Adjust gen_cmp*_media calls. Make the mode of
2065 a temporary result of compare SImode if needed. If the mode
2066 of operands[0] is DImode, extend the temporary result to DImode.
2067 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2068 (sunorderd): Change the mode of match_operand and unorderd to
2070 (cmpeq{sf,df}_media): Remove.
2071 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2072 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2073 and compare operation to SImode.
2075 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2077 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2079 (sparc64-sun-solaris2*): Likewise.
2081 2006-11-02 Paul Brook <paul@codesourcery.com>
2083 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2084 from priority argument. Use different section for non-default
2086 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2088 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2091 * except.c (switch_to_exception_section): Do not cache the section
2092 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2093 and flag_function_sections is set.
2095 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2098 * builtins.c (do_mpfr_sincos): New.
2099 (fold_builtin_1): Use it to fold builtin sincos.
2101 2006-11-01 Roger Sayle <roger@eyesopen.com>
2103 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2104 it into -D_REENTRANT.
2106 2006-11-01 Roger Sayle <roger@eyesopen.com>
2108 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2109 whether the assembler supports taking the difference of symbols in
2110 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2111 * configure: Regenerate.
2112 * config.in: Regenerate.
2113 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2114 the assembler doesn't support taking the difference of symbols in
2115 different sections, i.e. we're using the native solaris assembler.
2117 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2118 Peter Bergner <bergner@vnet.ibm.com>
2120 * doc/invoke.texi: Add cpu_type power6x
2121 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2122 * config.gcc: Add cpu_type power6x.
2123 * configure.ac: Add test for mf{t,f}gpr instructions.
2124 (HAVE_AS_MFPGPR): New.
2125 * config.in: Regenerate.
2126 * configure: Regenerate.
2127 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2128 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2129 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2130 and mftgpr attributes.
2131 (define_attr "cpu"): Add power6.
2132 Change instruction sequences to use new attributes.
2133 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2134 (fix_truncdfsi2_mfpgpr): New.
2135 (floatsidf_ppc64_mfpgpr): New.
2136 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2137 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2138 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2139 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2140 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2141 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2142 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2143 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2144 cntlz,exts and var_delayed_compare.
2145 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2146 _ARCH_PWR6X, if features enabled.
2147 * config/rs6000/rs6000.opt (mmfpgpr): New.
2148 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2149 (cached_can_issue_more): New variable.
2150 (processor_costs): Add power6_cost.
2151 (rs6000_sched_init): New function.
2152 (is_dispatch_slot_restricted): Deleted.
2153 (set_to_load_agen): New function.
2154 (is_load_insn,is_store_insn): New functions.
2155 (adjacent_mem_locations): New function.
2156 (insn_must_be_first_in_group): New function.
2157 (insn_must_be_last_in_group): New function.
2158 (rs6000_sched_reorder): New function.
2159 (rs6000_sched_reorder2): New function.
2160 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2161 TARGET_SCHED_REORDER2): Define.
2162 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2163 Add power6x. Add MASK_MFPGPR for power6x.
2164 (POWERPC_MASKS): Add MASK_MFPGPR.
2165 (rs6000_override_options): Set rs6000_always_hint to false
2166 for power6. Set rs6000_align_branch_targets. Replace
2167 rs6000_sched_groups check with rs6000_align_branch_targets.
2168 Use PROCESSOR_POWER6.
2169 (last_scheduled_insn): New variable.
2170 (load_store_pendulum): New variable.
2171 (rs6000_variable_issue): Set last_scheduled_insn and
2172 cached_can_issue_more.
2173 (rs6000_adjust_cost): Add power6 cost adjustments.
2174 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2175 with insn_must_be_first_in_group. Add power6 priority adjustments.
2176 (rs6000_issue_rate): Add CPU_POWER6.
2177 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2178 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2179 (TARGET_MFPGPR): New.
2180 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2181 (ASM_CPU_SPEC): Add power6x.
2182 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2184 * config/rs6000/power6.md: New file.
2186 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2188 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2189 HOST_WIDE_INT_PRINT to print high and low parts. Use
2190 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2191 printing a hexadecimal number prefix it with 0x.
2193 2006-11-01 Chris Johns <chris@contemporary.net.au>
2196 * Makefile.in (install-driver): Use exeext when installing
2197 $target-gcc-$version.
2199 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2201 * c-common.c (flag_cpp0x): New.
2202 * c-common.h (flag_cpp0x): New.
2203 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2204 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2205 * c-opts.c (set_std_cxx0x): New.
2206 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2207 * c.opt (std=c++0x): Document.
2208 (std=gnu++0x): Ditto.
2209 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2210 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2212 2006-11-01 Richard Guenther <rguenther@suse.de>
2214 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2216 (ix86_expand_floorceildf_32): Likewise.
2217 (ix86_expand_floorceil): Likewise.
2218 (ix86_expand_trunc): Likewise.
2220 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2222 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2225 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2227 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2229 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2231 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2233 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2234 * configure.ac (use_cxa_atexit): As a special case, don't test
2235 for libc definition of __cxa_atexit on mingw32
2236 * configure: Regenerate.
2237 * config.gcc (i[34567]86-pc-mingw32): Default to
2238 enable__cxa_atexit=yes.
2240 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2242 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2244 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2247 * c-decl.c (start_struct): Don't create self-containing
2249 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2251 * config/rs6000/rs6000-protos.h
2252 (darwin_rs6000_special_round_type_align): New.
2253 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2254 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2256 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2258 * toplev.c (compile_file): Call final_write_globals
2259 even if there have been errors.
2261 2006-10-31 Eric Christopher <echristo@apple.com>
2262 Falk Hueffner <falk@debian.org>
2264 * doc/extend.texi (__builtin_bswap32): Document.
2265 (__builtin_bswap64): Ditto.
2266 * doc/libgcc.texi (bswapsi2): Document.
2268 * doc/rtl.texi (bswap): Document.
2269 * optabs.c (expand_unop): Don't widen a bswap.
2270 (init_optabs): Init bswap. Set libfuncs explicitly
2271 for bswapsi2 and bswapdi2.
2272 * optabs.h (OTI_bswap): New.
2273 (bswap_optab): Ditto.
2274 * genopinit.c (optabs): Handle bswap_optab.
2275 * tree.h (tree_index): Add TI_UINT32_TYPE and
2277 (uint32_type_node): New.
2278 (uint64_type_node): Ditto.
2279 * tree.c (build_common_tree_nodes_2): Initialize
2280 uint32_type_node and uint64_type_node.
2281 * builtins.c (expand_builtin_bswap): New.
2282 (expand_builtin): Call.
2283 (fold_builtin_bswap): New.
2284 (fold_builtin_1): Call.
2285 * fold-const.c (tree_expr_nonnegative_p): Return true
2287 * builtin-types.def (BT_UINT32): New.
2289 (BT_FN_UINT32_UINT32): Ditto.
2290 (BT_FN_UINT64_UINT64): Ditto.
2291 * builtins.def (BUILT_IN_BSWAP32): New.
2292 (BUILT_IN_BSWAP64): Ditto.
2293 * rtl.def (BSWAP): New.
2294 * genattrtab.c (check_attr_value): New.
2295 * libgcc2.c (__bswapSI2): New.
2296 (__bswapDI2): Ditto.
2297 * libgcc2.h (__bswapSI2): Declare.
2298 (__bswapDI2): Ditto.
2299 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2300 * simplify-rtx.c (simplify_const_unary_operation): Return
2302 * libgcc-std.ver (__bwapsi2): Add.
2303 (__bswapdi2): Ditto.
2304 * reload1.c (eliminate_regs_1): Add bswap.
2305 (elimination_effects): Ditto.
2306 * config/i386/i386.h (x86_bswap): New.
2307 (TARGET_BSWAP): Use.
2308 * config/i386/i386.c (x86_bswap): Set.
2310 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2312 * coverage.c (coverage_checksum_string): Update comment.
2313 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2314 of get_file_function_name.
2315 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2316 of get_file_function_name_long.
2317 * tree.c (get_file_function_name): Rename from
2318 get_file_function_name_long; improve comment; handle 'I' and 'D'
2319 specially when the target has ctor/dtor support; remove special
2321 (get_file_function_name): Remove.
2322 * tree.h (get_file_function_name): Rename from
2323 get_file_function_name_long.
2324 (get_file_function_name): Remove prototype.
2326 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2328 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2329 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2331 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2332 Call dsymutil when compiling and linking one or more source files
2335 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2338 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2340 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2342 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2343 inline static functions in c99 mode.
2346 * doc/extend.texi (Inline): Update.
2347 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2348 * c-decl.c (current_extern_inline): Delete.
2349 (pop_scope): Adjust test for an undefined nested function.
2350 Add warning about undeclared inline function.
2351 (diagnose_mismatched_decls): Update comments. Disallow overriding
2352 of inline functions in a translation unit in C99. Allow inline
2353 declarations in C99 at any time.
2354 (merge_decls): Boolize variables. Handle C99 'extern inline'
2356 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2357 C99 inline semantics.
2358 (start_function): Don't clear current_extern_inline. Don't set
2360 (c_push_function_context): Don't push current_extern_inline.
2361 (c_pop_function_context): Don't restore current_extern_inline.
2364 * c-typeck.c (build_external_ref): Warn about static variables
2365 used in extern inline functions.
2366 * c-decl.c (start_decl): Warn about static variables declared
2367 in extern inline functions.
2369 2006-10-31 Roger Sayle <roger@eyesopen.com>
2372 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2373 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2374 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2375 or y is an even integer.
2377 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2380 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2381 * gthr-posix95.h (__gthread_active_p): Likewise.
2383 2006-10-31 Richard Guenther <rguenther@suse.de>
2385 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2386 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2387 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2388 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2389 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2390 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2391 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2392 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2395 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2397 * opts.c (decode_options): Disable CSE skip blocks.
2399 2006-10-30 Dirk Mueller <dmueller@suse.de>
2401 * c-common.h (strict_aliasing_warning): Fix whitespace.
2402 * c-decl (start_function): Move code for main decl warning ..
2403 * c-common.c (check_main_parameter_types): .. here.
2404 * c-common.h (check_main_parameter_types): Declare.
2406 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2409 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2411 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2413 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2414 be a PARALLEL containing sets. Return false when out_pat is not
2417 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2419 * config/mips/mips.md (mul<mode>3): Split into...
2420 (mulsi3, muldi3): ...these separate patterns.
2422 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2424 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2425 but with each set of options separated by spaces.
2427 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2429 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2430 dwarf_reg_size_table has been initialized.
2432 2006-10-30 Roger Sayle <roger@eyesopen.com>
2434 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2435 * ddg.c (print_ddg_edge): Likewise.
2436 * dwarf2out.c (prune_unused_types_walk): Likewise.
2437 * ifcvt.c (noce_try_cmove_arith): Likewise.
2438 * langhooks.c (add_builtin_function): Likewise.
2439 * reg-stack.c (subst_stack_regs_pat): Likewise.
2440 * tree.c (expanded_location): Likewise.
2441 * tree-dump.c (dequeue_and_dump): Likewise.
2443 2006-10-30 David Daney <ddaney@avtrex.com>
2445 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2447 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2449 PR tree-optimization/29637
2450 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2451 of the innertype is the innertype itself.
2453 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2455 * dwarf2out.c (file_name_acquire): Correct typo.
2457 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2459 * tree.h (tree_value_handle): Remove struct value_set declaration.
2460 Change value_set to bitmap_set.
2461 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2462 * tree-vn.c (get_value_handle): Made inline and moved to
2464 * tree-flow-inline.h: (has_stmt_ann): New function.
2465 * tree-ssa-pre.c (expressions): New variable.
2466 (next_expression_id): Ditto.
2467 (alloc_expression_id): New function.
2468 (struct value_set): Remove.
2469 (get_expression_id): New function.
2470 (get_or_alloc_expression_id): Ditto.
2471 (expression_for_id): Ditto.
2472 (clear_expression_ids): Ditto.
2473 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2474 (bb_value_sets): Renamed to bb_bitmap_sets.
2475 All value sets replaced with bitmap_sets.
2477 (BB_VISITED): New macro.
2478 (postorder): New variable.
2479 (add_to_value): Removed.
2480 (value_exists_in_set_bitmap): Ditto.
2481 (value_insert_into_set_bitmap): Ditto.
2484 (set_remove): Ditto.
2485 (set_contains_value): Ditto.
2486 (insert_into_set): Ditto.
2488 (find_leader): Ditto.
2489 (bitmap_set_subtract_from_value_set): Ditto.
2490 (value_insert_into_set): Ditto.
2491 (print_value_set): Ditto.
2492 (debug_value_set): Ditto.
2493 (constant_expr_p): New function.
2494 (bitmap_remove_from_set): Ditto.
2495 (bitmap_insert_into_set): Ditto.
2496 (bitmap_set_free): Ditto.
2497 (vh_compare): Ditto.
2498 (sorted_array_from_bitmap_set): Ditto.
2499 (bitmap_set_subtract): Ditto.
2500 (bitmap_set_equal): Ditto.
2501 (debug_bitmap_set): Ditto.
2502 (find_leader_in_sets): Ditto.
2503 (bitmap_set_replace_value): Modify for bitmapped sets.
2504 (phi_translate): Ditto.
2505 (phi_translate_set): Ditto.
2506 (bitmap_find_leader): Ditto.
2507 (valid_in_sets): Ditto.
2508 (union_contains_value): Ditto.
2510 (compute_antic_aux): Ditto. Mark changed blocks.
2511 (compute_antic): Ditto. Iterate in postorder and only over
2513 (compute_rvuse_and_antic_safe): Reuse postorder.
2514 (create_component_ref_by_pieces): Modify for bitmapped sets.
2515 (find_or_generate_expression): Ditto.
2516 (create_expression_by_pieces): Ditto.
2517 (insert_into_preds_of_block): Ditto.
2518 (changed_blocks): New variable.
2519 (do_regular_insertion): Broken out from insert_aux.
2520 (insert_aux): Modified for bitmapped sets.
2521 (find_existing_value_expr): New function.
2522 (create_value_expr_from): Use it.
2523 (insert_extra_phis): Removed.
2524 (print_bitmap_set): Renamed from bitmap_print_value_set.
2525 (compute_avail): Handle RETURN_EXPR.
2526 (init_pre): Modify for bitmapped sets.
2527 * tree-flow.h (has_stmt_ann): New function.
2529 2006-10-29 Roger Sayle <roger@eyesopen.com>
2531 * builtins.c (fold_builtin_floor): Check for the availability of
2532 the C99 trunc function before transforming floor into trunc.
2534 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2536 * builtins.c (fold_builtin_hypot): Rearrange recursive
2537 transformation before others, and also do ABS_EXPR. When
2538 necessary, check flag_unsafe_math_optimizations. When necessary,
2541 2006-10-29 Roger Sayle <roger@eyesopen.com>
2543 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2544 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2545 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2546 Fold -X eq/ne -Y as X eq/ne Y.
2548 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2550 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2551 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2552 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2553 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2554 Use an inclusive test for "mult" rather than "mul".
2555 (rotr<mode>3): Depend on ISA_HAS_ROR.
2556 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2558 (GENERATE_MULT3_DI): Delete.
2559 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2560 (ISA_HAS_MUL3): New macro.
2561 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2562 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2563 (ISA_HAS_CLZ_CLO): Likewise.
2564 (ISA_HAS_DCLZ_DCLO): Delete.
2565 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2566 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2567 the VR4120 and VR4130.
2568 (ISA_HAS_MACCHI): Use consistent formatting.
2569 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2570 (ISA_HAS_ROR): ...this new macro.
2571 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2572 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2573 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2575 2006-10-29 Roger Sayle <roger@eyesopen.com>
2577 PR tree-optimization/15458
2578 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2581 2006-10-29 Richard Guenther <rguenther@suse.de>
2583 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2584 (ix86_expand_truncdf_32): Likewise.
2585 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2586 trunc inline for SSE math and -fno-trapping-math and if not
2587 optimizing for size.
2588 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2589 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2590 for expanding btrunc inline for SSE math.
2592 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2594 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2595 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2596 i[34567]86-*-solaris2.1[0-9]*.
2597 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2598 Define conditionally depending on TARGET_64BIT_DEFAULT.
2599 (SPEC_32, SPEC_64): Define.
2600 (LINK_SPEC): Use them.
2601 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2603 2006-10-29 Richard Guenther <rguenther@suse.de>
2605 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2606 (ix86_expand_rounddf_32): Likewise.
2607 * config/i386/i386.c (ix86_expand_round): New function expanding
2608 round inline for SSE math and -fno-trapping-math and if not
2609 optimizing for size.
2610 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2611 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2612 round via ix86_expand_round.
2614 2006-10-29 Richard Guenther <rguenther@suse.de>
2616 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2617 (ix86_expand_floorceildf_32): Likewise.
2618 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2619 static helper function.
2620 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2622 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2623 * config/i386/i386.md (floordf2): Adjust to enable floor
2624 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2625 -fno-trapping-math is enabled and if not optimizing for size.
2626 (floorsf2, ceildf2, ceilsf2): Likewise.
2627 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2628 (sse2_maskcmpdf3): Likewise.
2630 2006-10-29 Richard Guenther <rguenther@suse.de>
2632 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2633 rint in case -fno-trapping-math is enabled.
2634 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2635 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2636 (ix86_expand_sse_fabs): Likewise.
2637 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2638 * config/i386/i386.md (rintdf2): Enable for SSE math if
2639 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2640 (rintsf2): Likewise.
2642 2006-10-29 Richard Guenther <rguenther@suse.de>
2644 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2645 to conversion optabs.
2646 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2647 as conversion optab.
2648 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2649 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2650 (lfloor_optab, lceil_optab): Adjust defines.
2651 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2652 lfloor and lceil optabs now being conversion optabs.
2653 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2654 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2655 New static helper function.
2656 (ix86_expand_lfloorceil): New function to expand lfloor and
2658 * config/i386/i386.md (lfloor<mode>2): Split into ...
2659 (lfloorxf<mode>2): ... x87 variant
2660 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2661 using ix86_expand_lfloorceil.
2662 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2664 * doc/md.texi (lfloorMN, lceilMN): Document.
2666 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2668 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2669 -mno-shared assembler option on mips targets.
2670 * configure, config.in: Regenerate.
2671 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2672 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2673 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2675 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2677 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2678 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2680 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2682 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2683 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2686 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2689 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2690 (fold_builtin_pow): Evaluate constant arguments at compile-time
2692 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2693 (do_mpfr_ckconv): New helper function.
2694 (do_mpfr_arg1): Use do_mpfr_ckconv.
2695 (do_mpfr_arg2): New.
2697 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2700 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2701 (-fdump-rtl-sched): Rename to ..
2702 (-fdump-rtl-sched1): here. Also fix file extension number.
2704 2006-10-28 Richard Guenther <rguenther@suse.de>
2706 * fold-const.c (maybe_canonicalize_comparison): Fix code
2709 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2711 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2712 (NON_QI_REG_P): Use IN_RANGE.
2713 (REX_INT_REGNO_P): Use IN_RANGE.
2714 (FP_REGNO_P): Use IN_RANGE.
2715 (SSE_REGNO_P): Use IN_RANGE.
2716 (REX_SSE_REGNO_P): Use IN_RANGE.
2717 (MMX_REGNO_P): Use IN_RANGE.
2718 (STACK_REGNO_P): New macro.
2719 (STACK_REG_P): Use STACK_REGNO_P.
2720 (NON_STACK_REG_P): Use STACK_REGNO_P.
2721 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2722 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2723 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2724 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2725 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2727 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2729 * except.h (output_function_exception_table): Add 'const char*' param.
2730 * except.c (switch_to_exception_section): Add 'const char*' param.
2731 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2732 and flag_function_sections is set, use a function-specific section.
2733 (output_function_exception_table): Add 'const char*' param.
2734 Adjust call to switch_to_exception_section.
2735 * final.c (rest_of_handle_final): Adjust calls to
2736 output_function_exception_table.
2737 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2738 * config.in: Regenerate.
2739 * configure: Likewise.
2741 2006-10-28 Richard Guenther <rguenther@suse.de>
2744 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2745 for maybe_canonicalize_comparison.
2746 (maybe_canonicalize_comparison): New function for canonicalizing
2748 (fold_comparison): Call it to canonicalize comparisons with
2751 2006-10-28 Richard Guenther <rguenther@suse.de>
2754 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2755 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2756 (expand_builtin): Adjust likewise.
2757 * genopinit.c (optabs[]): Add lround optab.
2758 * optabs.c (init_optabs): Initialize lround_optab.
2759 * optabs.h (enum convert_optab_index): Add COI_lround.
2760 (lround_optab): Define.
2761 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2762 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2764 (ix86_expand_lround): New function.
2765 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2767 * doc/md.texi (lroundMN2): Document.
2769 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2772 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2773 argument to HOST_WIDE_INT. Update function prototype.
2774 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2775 "size" argument to HOST_WIDE_INT. Update function prototype.
2777 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2779 * config/i386/i386.c (output_387_ffreep): Create output from a
2780 template string for !HAVE_AS_IX86_FFREEP.
2782 2006-10-27 Eric Christopher <echristo@apple.com>
2784 * config/darwin.c: Fix formatting and grammar.
2786 2006-10-27 Jan Hubicka <jh@suse.cz>
2788 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2789 to be thrown away soon when IGNORE is set.
2790 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2791 indicating when return value shall not be computed.
2792 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2794 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2796 * config/i386/i386.h (TARGET_GEODE):
2797 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2798 (TARGET_CPU_DEFAULT_geode): New macro.
2799 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2800 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2801 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2802 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2803 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2805 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2806 (processor_type): Add PROCESSOR_GEODE.
2808 * config/i386/i386.md: Include geode.md.
2811 * config/i386/i386.c (geode_cost): New initialized global
2813 (m_GEODE, m_K6_GEODE): New macros.
2814 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2815 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2816 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2817 x86_schedule): Use m_K6_GEODE instead of m_K6.
2818 (x86_movx, x86_cmove): Set up m_GEODE.
2819 (x86_integer_DFmode_moves): Clear m_GEODE.
2820 (processor_target_table): Add entry for geode.
2821 (processor_alias_table): Ditto.
2823 * config/i386/geode.md: New file.
2825 * doc/invoke.texi: Add entry about geode processor.
2827 2006-10-27 Mike Stump <mrs@apple.com>
2829 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2830 __DYNAMIC__ from here back to ...
2831 * config/darwin.h (CPP_SPEC): ... here.
2833 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2834 Nathan Sidwell <nathan@codesourcery.com>
2836 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2837 when choosing the minimum heapsize.
2839 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2841 * gcc/unwind-dw2.h: Move cfa-related variables into
2842 struct frame_state_reg_info to ensure that the CFA is properly
2843 handled when executing DW_CFA_{remember,restore}_state.
2844 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2845 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2846 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2847 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2848 gcc/config/rs6000/linux-unwind.h,
2849 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2850 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2851 Modify to use new cfa_* fields.
2853 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2855 * config/s390/s390.c (s390_init_frame_layout): Check positive
2858 2006-10-26 Ben Elliston <bje@au.ibm.com>
2860 * gimplify.c (get_name): Remove extraneous break.
2861 (gimplify_omp_for): Initialise ret with GS_OK.
2863 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2865 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2866 Add unix98.o to link line.
2868 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2871 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2872 Calculate compile-time constants using MPFR.
2873 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2874 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2876 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2878 * config/xtensa/lib2funcs.S: Use C-style comments.
2880 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2882 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2883 (file_table_relative_p): Likewise.
2884 (dwarf2out_finish): Likewise.
2885 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2887 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2889 * tree-ssa-structalias.c (intra_create_variable_infos):
2890 Don't recreate nonlocal_all if it already exists.
2892 2006-10-25 Richard Guenther <rguenther@suse.de>
2895 * optabs.h (enum optab_index): Remove OTI_lrint.
2896 (enum convert_optab_index): Add COI_lrint.
2897 (lrint_optab): Adjust.
2898 (expand_sfix_optab): Declare.
2899 * optabs.c (expand_sfix_optab): New function.
2900 (init_optabs): Init lrint_optab as conversion optab.
2901 * genopinit.c (lrint_optab): Change to a conversion optab.
2902 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2903 expansion via conversion optab.
2904 * config/i386/i386.md (*fistdi2_1): Remove
2905 flag_unsafe_math_optimizations guard.
2906 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2907 fist<mode>2_with_temp): Likewise.
2908 (lrint<mode>2): Split into...
2909 (lrintxf<mode>2): ... x87 part
2910 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2911 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2912 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2913 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2914 * doc/md.texi (lrintMN2): Document.
2916 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2919 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2920 Use inc and dec instructions for TARGET_USE_INCDEC.
2921 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2922 ("sync_double_compare_and_swap<mode>"): Likewise.
2923 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2924 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2925 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2926 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2927 ("sync_old_add<mode>"): Likewise.
2928 ("sync_lock_test_and_set<mode>"): Likewise.
2929 ("sync_lock_test_and_set<mode>"): Likewise.
2930 ("sync_add<mode>"): Likewise.
2931 ("sync_sub<mode>"): Likewise.
2932 ("sync_ior<mode>"): Likewise.
2933 ("sync_and<mode>"): Likewise.
2934 ("sync_xor<mode>"): Likewise.
2936 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2938 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2939 (remainder_optab): Define corresponding macro.
2940 (drem_optab): Remove.
2941 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2942 drem_optab initialization.
2943 * genopinit.c (optabs): Implement remainder_optab using
2944 remainder?f3 patterns. Remove drem_optab.
2945 * builtins.c (expand_builtin_mathfn_2): Handle
2946 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2947 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2948 expand_builtin_mathfn_2.
2950 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2951 depend on flag_unsafe_math_optimizations.
2953 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2954 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2955 Do not depend on flag_unsafe_math_optimizations. Use
2956 truncxf?f expander instead of truncxf?f_i387_noop.
2958 ("fpremxf4", "fprem1xf4"): Do not depend on
2959 flag_unsafe_math_optimizations.
2960 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2961 flag_unsafe_math_optimizations. Use truncxf?f expander
2962 instead of truncxf?f_i387_noop.
2964 * doc/md.texi (fmod, remainder): Document standard named pattern.
2966 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2967 David Daney <ddaney@avtrex.com>
2970 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2972 2006-10-25 Ben Elliston <bje@au.ibm.com>
2974 * doc/extend.texi (Variable Attributes): Typo fix.
2976 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2978 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2979 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2980 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2981 (FRAME_POINTER_REGNUM): Update register number to 21.
2982 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2983 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2985 * config/i386/i386.c (regclass_map): Add fpcr entry.
2986 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2988 (print_reg): Assert REGNO (x) != FPCR_REG.
2990 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2991 (DIRFLAG_REG): Renumber.
2992 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2993 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2994 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2995 hardcoded SSE register numbers.
2997 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2998 hardcoded MMX register numbers.
3000 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3003 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3004 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3006 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3007 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3008 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3009 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3011 2006-10-24 Richard Guenther <rguenther@suse.de>
3014 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3015 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3016 for deciding optimizations in consistency with fold-const.c
3017 (fold_builtin_unordered_cmp): Likewise.
3019 2006-10-24 Richard Guenther <rguenther@suse.de>
3021 * builtins.c (fold_builtin_floor): Fold floor (x) where
3022 x is nonnegative to trunc (x).
3023 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3024 nonnegative to FIX_TRUNC_EXPR.
3026 2006-10-24 Richard Guenther <rguenther@suse.de>
3028 PR tree-optimization/29567
3029 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3030 for TRUTH_NOT_EXPR. Clarify comments.
3032 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3035 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3036 at compile-time using MPFR. Change parameter VALUE to FUNC,
3038 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3039 for overflow and underflow at all times and avoid folding in
3042 2006-10-24 Ben Elliston <bje@au.ibm.com>
3044 * reload1.c: Formatting fixes.
3046 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3048 PR tree-optimization/14784
3049 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3050 * tree-ssa-structalias.c (get_constraint_for,
3051 intra_create_variable_infos): Set is_heapvar.
3052 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3053 non-heapvar pointer variables specially.
3055 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3058 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3059 fold_builtin_tan): Fold all constant arguments. Take a "type"
3060 argument as necessary.
3061 (do_mpfr_arg1): New.
3062 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3064 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3066 * config/xtensa/lib1funcs.asm: Use C-style comments.
3068 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3070 * tree.c (local_define_builtin): Replace calls to
3071 lang_hooks.builtin_function with add_builtin_function.
3072 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3074 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3076 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3077 common code to add_builtin_function.
3078 * langhooks.c (add_builtin_function): New function.
3079 (lhd_builtin_function): New function.
3080 * langhooks.h (struct lang_hooks): Change the signature of
3082 (add_builtin_function): New function.
3083 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3084 calls to lang_hooks.builtin_function with add_builtin_function.
3085 * c-common.c (decl_builtin_1): Replace calls to
3086 lang_hooks.builtin_function with add_builtin_function.
3087 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3088 lang_hooks.builtin_function with add_builtin_function.
3089 * config/frv/frv.c (def_builtin): Replace calls to
3090 lang_hooks.builtin_function with add_builtin_function.
3091 * config/s390/s390.c (s390_init_builtins): Replace calls to
3092 lang_hooks.builtin_function with add_builtin_function.
3093 * config/sparc/sparc.c (def_builtin): Replace calls to
3094 lang_hooks.builtin_function with add_builtin_function.
3095 * config/i386/i386.c (def_builtin): Replace calls to
3096 lang_hooks.builtin_function with add_builtin_function.
3097 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3098 lang_hooks.builtin_function with add_builtin_function.
3099 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3100 lang_hooks.builtin_function with add_builtin_function.
3101 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3102 Replace calls to lang_hooks.builtin_function with
3103 add_builtin_function.
3104 * config/iq2000/iq2000.c (def_builtin):
3105 Replace calls to lang_hooks.builtin_function with
3106 add_builtin_function.
3107 * config/ia64/ia64.c (def_builtin): Replace calls to
3108 lang_hooks.builtin_function with add_builtin_function.
3109 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3110 lang_hooks.builtin_function with add_builtin_function.
3111 (altivec_init_builtins): Replace calls to
3112 lang_hooks.builtin_function with add_builtin_function.
3113 * config/arm/arm.c (def_mbuiltin): Replace calls to
3114 lang_hooks.builtin_function with add_builtin_function.
3115 (arm_init_tls_builtins): Replace calls to
3116 lang_hooks.builtin_function with add_builtin_function.
3117 * config/mips/mips.c (mips_init_builtins): Replace calls to
3118 lang_hooks.builtin_function with add_builtin_function.
3119 * config/bfin/bfin.c (def_builtin): Replace calls to
3120 lang_hooks.builtin_function with add_builtin_function.
3121 * langhooks-def.h (lhd_builtin_function): New function.
3122 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3124 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3126 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3127 BUILT_IN_STRNCAT_CHK.
3129 2006-10-23 Jan Hubicka <jh@suse.cz>
3131 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3132 don't do conversion from memmove to memcpy here.
3133 (expand_builtin_bcopy, expand_builtin): Update call of
3134 expand_builtin_memmove.
3135 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3137 2006-10-23 Paul Brook <paul@codesourcery.com>
3139 * stor-layout.c (start_record_layout): maximum_field_alignment
3140 overrides STRUCTURE_SIZE_BOUNDARY.
3142 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3144 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3145 nonlocal function symbols if flag_pic.
3147 2006-10-23 Richard Guenther <rguenther@suse.de>
3151 * builtins.c (fold_binary): Remove checks for flag_wrapv
3152 and flag_trapv where negate_expr_p covers these cases.
3154 2006-10-23 Richard Guenther <rguenther@suse.de>
3157 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3158 of two on the absolute value.
3159 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3160 and negating -C does not overflow.
3162 2006-10-23 Richard Guenther <rguenther@suse.de>
3165 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3166 only if not flag_rounding_math.
3168 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3169 Kaz Kojima <kkojima@gcc.gnu.org>
3172 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3173 SImode memory reference for the source of a movua.
3174 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3175 (movua): Use an unspec instead of sign_extract. Expect the source
3176 to have mode BLKmode.
3177 (extv, insv): Use a BLKmode rather than SImode memory reference
3178 for the source of a movua.
3180 2006-10-22 Jeff Law <law@redhat.com>
3181 Richard Guenther <rguenther@suse.de>
3183 PR tree-optimization/15911
3184 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3185 (register_edge_assert_for_1): Likewise.
3186 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3187 (find_conditional_asserts): Adjust for new function signature.
3188 (find_assert_locations): Likewise.
3190 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3192 * config/i386/tmmintrin.h: Remove the duplicated content.
3194 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3196 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3197 (x86_64-*-*): Likewise.
3199 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3200 (override_options): Check SSSE3.
3201 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3202 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3203 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3204 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3205 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3206 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3207 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3208 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3209 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3210 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3211 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3212 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3213 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3214 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3215 IX86_BUILTIN_PABSD128.
3216 (bdesc_2arg): Add SSSE3.
3217 (bdesc_1arg): Likewise.
3218 (ix86_init_mmx_sse_builtins): Support SSSE3.
3219 (ix86_expand_builtin): Likewise.
3220 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3222 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3223 (UNSPEC_PSIGN): Likewise.
3224 (UNSPEC_PALIGNR): Likewise.
3225 Include mmx.md before sse.md.
3227 * config/i386/i386.opt: Add -mssse3.
3229 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3230 (ssse3_phaddwv4hi3): Likewise.
3231 (ssse3_phadddv4si3): Likewise.
3232 (ssse3_phadddv2si3): Likewise.
3233 (ssse3_phaddswv8hi3): Likewise.
3234 (ssse3_phaddswv4hi3): Likewise.
3235 (ssse3_phsubwv8hi3): Likewise.
3236 (ssse3_phsubwv4hi3): Likewise.
3237 (ssse3_phsubdv4si3): Likewise.
3238 (ssse3_phsubdv2si3): Likewise.
3239 (ssse3_phsubswv8hi3): Likewise.
3240 (ssse3_phsubswv4hi3): Likewise.
3241 (ssse3_pmaddubswv8hi3): Likewise.
3242 (ssse3_pmaddubswv4hi3): Likewise.
3243 (ssse3_pmulhrswv8hi3): Likewise.
3244 (ssse3_pmulhrswv4hi3): Likewise.
3245 (ssse3_pshufbv16qi3): Likewise.
3246 (ssse3_pshufbv8qi3): Likewise.
3247 (ssse3_psign<mode>3): Likewise.
3248 (ssse3_psign<mode>3): Likewise.
3249 (ssse3_palignrti): Likewise.
3250 (ssse3_palignrdi): Likewise.
3251 (abs<mode>2): Likewise.
3252 (abs<mode>2): Likewise.
3254 * config/i386/tmmintrin.h: New file.
3256 * doc/extend.texi: Document SSSE3 built-in functions.
3258 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3260 2006-10-22 Ira Rosen <irar@il.ibm.com>
3262 * tree-vect-transform.c (vectorizable_load): Use the type of the
3263 return value of the mask_for_load builtin to create realign_load
3266 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3268 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3271 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3273 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3274 (UNSPEC_LDDQU): This.
3275 * config/i386/sse.md (sse3_lddqu): Updated.
3277 2006-10-21 Richard Guenther <rguenther@suse.de>
3279 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3280 (expand_builtin): Use it to expand lrint instead of
3281 expand_builtin_mathfn.
3283 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3286 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3287 flag_unsafe_math_optimizations is set.
3289 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3292 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3293 patterns to use memory input operand in x87->mem->XMM
3294 reload sequences. Skip transformation for TARGET_K8.
3296 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3298 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3299 force operand1 to register if both operands are memory operands.
3300 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3301 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3302 if both operands are memory operands.
3303 (truncdfsf2): Do not force operand1 to register if both operands
3304 are memory operands.
3306 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3308 * Makefile.in (LIBS): Add $(GMPLIBS).
3309 * doc/install.texi: Update GMP and MPFR requirements.
3310 * doc/sourcebuild.texi (need_gmp): Delete.
3312 2006-10-21 Richard Guenther <rguenther@suse.de>
3314 PR tree-optimization/3511
3315 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3316 got new invariant arguments during PHI translation.
3318 2006-10-21 Richard Guenther <rguenther@suse.de>
3321 * fold-const.c (fold_comparison): Fold signed comparisons
3322 of the form X +- C1 CMP Y +- C2.
3324 2006-10-21 Richard Guenther <rguenther@suse.de>
3327 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3328 if flag_unsafe_math_optimizations is specified. We have
3329 flag_finite_math_only for that.
3330 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3331 or flag_unsafe_math_optimizations.
3333 2006-10-21 Richard Guenther <rguenther@suse.de>
3335 * builtins.c (fold_builtin_classify): Fix typo.
3337 2006-10-21 Richard Guenther <rguenther@suse.de>
3340 * simplify-rtx.c (simplify_const_relational_operation):
3341 Do not constant-fold ORDERED and UNORDERED for
3342 flag_unsafe_math_optimizations but only we do not need to
3343 honor NaNs for the given mode.
3345 2006-10-21 Richard Guenther <rguenther@suse.de>
3348 * config/i386/i386.c (classify_argument): Remove redundant
3349 walking of the BINFOs.
3350 (contains_128bit_aligned_vector_p): Likewise.
3352 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3354 * BASE-VER: Set to 4.3.0.
3356 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3358 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3359 (tree_decl_with_vis): Remove artificial_pta_var flag.
3360 * tree-flow.h (referenced_var_check_and_insert): Expose.
3361 (nonlocal_all): New prototype.
3362 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3363 (nonlocal_all): Make global.
3364 (nonlocal_lookup): Remove.
3365 (nonlocal_insert): Ditto.
3366 (create_nonlocal_var): Do not call nonlocal_insert.
3367 (get_nonlocal_id_for_type): Remove.
3368 (find_global_initializers): Mark new vars we find for renaming.
3369 (intra_create_variable_infos): Only create one nonlocal.
3370 (expand_nonlocal_solutions): Remove.
3371 (compute_points_to_sets): Don't call it.
3372 (ipa_pta_execute): Ditto.
3373 (init_alias_heapvars): Don't create nonlocal_for_type.
3374 (delete_alias_heapvars): Don't remove it.
3375 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3378 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3380 * doc/install.texi (Downloading GCC): Clarify mention of
3381 Fortran in the "full distribution" description.
3383 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3385 Fix PR tree-optimization/28778
3386 Fix PR tree-optimization/29156
3387 Fix PR tree-optimization/29415
3388 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3389 (tree_decl_with_vis): Add artificial_pta_var flag.
3390 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3391 pushed into callers.
3392 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3393 (nonlocal_all): Ditto.
3394 (struct variable_info): Add directly_dereferenced member.
3395 (var_escaped_vars): New variable.
3396 (escaped_vars_tree): Ditto.
3397 (escaped_vars_id): Ditto.
3398 (nonlocal_vars_id): Ditto.
3399 (new_var_info): Set directly_dereferenced.
3400 (graph_size): New variable
3401 (build_constraint_graph): Use graph_size.
3402 (solve_graph): Don't process constraints that cannot change the
3403 solution, don't try to propagate an empty solution to our
3405 (process_constraint): Set directly_dereferenced.
3406 (could_have_pointers): New function.
3407 (get_constraint_for_component_ref): Don't process STRING_CST.
3408 (nonlocal_lookup): New function.
3409 (nonlocal_insert): Ditto.
3410 (create_nonlocal_var): Ditto.
3411 (get_nonlocal_id_for_type): Ditto.
3412 (get_constraint_for): Allow results vector to be empty in the case
3413 of string constants.
3414 Handle results of calls properly.
3415 (update_alias_info): Update alias info stats on number and type of
3417 (find_func_aliases): Use could_have_pointers.
3418 (make_constraint_from_escaped): Renamed from
3419 make_constraint_to_anything, and changed to make constraints from
3421 (make_constraint_to_escaped): New function.
3422 (find_global_initializers): Ditto.
3423 (create_variable_info_for): Make constraint from escaped to any
3424 global variable, and from any global variable to the set of
3426 (intra_create_variable_infos): Deal with escaped instead of
3427 pointing to anything.
3428 (set_uids_in_ptset): Do type pruning on directly dereferenced
3430 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3431 (init_base_vars): Fix comment, and initialize escaped_vars.
3432 (need_to_solve): Removed.
3433 (find_escape_constraints): New function.
3434 (expand_nonlocal_solutions): Ditto.
3435 (compute_points_to_sets): Call find_escape_constraints and
3436 expand_nonlocal_solutions.
3437 (delete_points_to_sets): Don't fall off the end of the graph.
3438 (init_alias_heapvars): Initialize nonlocal_for_type and
3440 (delete_alias_heapvars): Free nonlocal_for_type and null out
3443 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3445 * fold-const.c (add_double): Rename to add_double_with_sign.
3446 Add 'unsigned_p' parameter and take it into account for the overflow.
3447 (mul_double): Rename to mul_double_with_sign.
3448 Add 'unsigned_p' parameter and take it into account for the overflow.
3449 (fold_div_compare): Call add_double_with_sign instead of add_double
3450 and mul_double_with_sign instead of mul_double, passing them the
3451 unsignedness of the type.
3452 * tree.h (add_double): Macroize.
3453 (add_double_with_sign): New prototype.
3454 (mul_double): Macroize.
3455 (mul_double_with_sign): New prototype.
3457 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3459 * config/score/crti.asm: New file.
3460 * config/score/crtn.asm: New file.
3461 * config/score/elf.h: New file.
3462 * config/score/mac.md: New file.
3463 * config/score/misc.md: New file.
3464 * config/score/mul-div.S: New file.
3465 * config/score/predicates.md: New file.
3466 * config/score/score7.md: New file.
3467 * config/score/score.c: New file.
3468 * config/score/score-conv.h: New file.
3469 * config/score/score.h: New file.
3470 * config/score/score.md: New file.
3471 * config/score/score-mdaux.c: New file.
3472 * config/score/score-mdaux.h: New file.
3473 * config/score/score-modes.def: New file.
3474 * config/score/score.opt: New file.
3475 * config/score/score-protos.h: New file.
3476 * config/score/score-version.h: New file.
3477 * config/score/t-score-elf: New file.
3478 * config.gcc: Add score*-*-* configurations(Update before).
3479 * doc/invoke.texi (Score Options): New section.
3480 * doc/md.texi (Score family): New section to document constraints.
3482 2006-10-19 Nick Clifton <nickc@redhat.com>
3484 * config/arm/arm.c: Fix spelling typo.
3486 2006-10-18 Tom Tromey <tromey@redhat.com>
3488 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3490 2006-10-18 Jan Hubicka <jh@suse.cz>
3493 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3496 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3498 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3499 TSI_SAME_STMT, since that's the desired entity.
3501 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3503 * config/s390/contraints.md: New file.
3504 * config/s390/s390-protos.h (s390_mem_constraint,
3505 s390_O_constraint_str, s390_N_constraint_str,
3506 s390_float_const_zero_p): Function prototypes added.
3507 * config/s390/s390.c (s390_extra_constraint_str,
3508 s390_const_double_ok_for_constraint_p,
3509 s390_const_ok_for_constraint_p): Functions removed.
3510 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3511 s390_float_const_zero_p): New functions.
3512 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3513 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3514 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3515 Macro definitions removed.
3516 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3517 s390_extra_constraint_str): Functions removed.
3519 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3520 Richard Sandiford <richard@codesourcery.com>
3523 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3524 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3526 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3528 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3529 (DWARF2_FRAME_REG_OUT): Likewise.
3530 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3531 (DWARF2_FRAME_REG_OUT): Likewise.
3533 2006-10-17 Paul Brook <paul@codesourcery.com>
3535 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3537 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3539 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3540 Standardize on "GNU Fortran" as the official name of the Fortran
3543 2006-10-16 Mike Stump <mrs@apple.com>
3545 * doc/invoke.texi (Darwin Options): Document -mkernel.
3546 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3548 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3549 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3550 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3551 (OS_MISSING_ALTIVEC): Add.
3552 * config/i386/i386.c (override_options): Add
3553 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3554 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3555 -mkernel, -static or -mdynamic-no-pic is given.
3556 (C_COMMON_OVERRIDE_OPTIONS): Add.
3557 * config/darwin.opt (fapple-kext): Add.
3559 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3560 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3562 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3563 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3564 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3565 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3566 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3567 (flag_mkernel): Add.
3568 (flag_apple_kext): Add.
3569 (TARGET_KEXTABI): Add.
3570 * config/darwin.c (darwin_handle_kext_attribute): Add.
3571 (DARWIN_VTABLE_P): Add.
3572 (darwin_binds_local_p): Add partial support for rebinding vtables
3574 (darwin_kextabi_p): Add.
3575 (darwin_override_options): Add.
3576 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3577 (darwin_kextabi_p): Add.
3578 (darwin_override_options): Add.
3579 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3580 __DYNAMIC__ and __STATIC__ here.
3582 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3584 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3585 Added mention of "make pdf" target, and Texinfo requirements for
3588 2006-10-16 DJ Delorie <dj@redhat.com>
3590 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3591 into the GOT in case we need a subreg of the address.
3593 2006-10-16 Richard Guenther <rguenther@suse.de>
3596 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3597 SSE builtin documentation. Document SSE2 builtins.
3599 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3601 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3602 symbol in the output file for non-shared links when -nostdlib or
3603 -nodefaultlibs isn't specified.
3605 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3606 posix thread support.
3608 2006-10-15 Jan Hubicka <jh@suse.cz>
3611 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3612 declared always_inline even when not inlining.
3614 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3615 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3616 Andrew Pinski <pinskia@gmail.com>
3619 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3621 2006-10-15 Jan Hubicka <jh@suse.cz>
3622 Richard Guenther <rguenther@suse.de>
3625 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3626 process_function_and_variable_attributes on all variables, including
3627 those discovered during cgraph construction phase.
3629 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3631 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3633 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3635 * config/i386/athlon.md (athlon_fist): Add fisttp.
3637 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3638 Ian Lance Taylor <ian@airs.com>
3641 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3642 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3645 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3647 * config/score/score.c, config/score/score.h: Fix comment
3650 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3653 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3656 2006-10-13 Eric Christopher <echristo@apple.com>
3658 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3660 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3663 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3664 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3665 alignment supported by 32-bit ELF.
3667 2006-10-13 Eric Christopher <echristo@apple.com>
3669 * config/darwin.c (darwin_emit_unwind_label): Strip
3670 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3672 2006-10-13 Richard Guenther <rguenther@suse.de>
3674 PR tree-optimization/29446
3675 * tree-vrp.c (fix_equivalence_set): Remove.
3676 (extract_range_from_assert): Do not call fix_equivalence_set.
3677 (debug_value_range): Print a newline.
3678 (compare_name_with_value): For equivalence sets with
3679 inconsistent value ranges conservatively bail out.
3680 (compare_names): Likewise.
3682 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3684 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3685 and MPFR for gfortran.
3687 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3689 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3690 alignment supported by 32-bit ELF.
3692 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3696 * c-typeck.c (digest_init): Always allow initializing vectors
3697 that have static storage duration with compound literals.
3698 * tree.c (build_type_attribute_qual_variant): New, based on
3699 build_type_attribute_variant.
3700 (build_type_attribute_variant): Rewrite using the former.
3701 (make_vector_type): Use build_type_attribute_qual_variant to build
3702 type variants. Use type_hash_canon on the others.
3704 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3705 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3707 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3709 2006-10-12 Jan Hubicka <jh@suse.cz>
3712 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3713 current_function_decl is set but current_function_scope is not.
3715 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3717 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3718 emit_insn to emit eh_return_internal instruction.
3719 (eh_return_internal): Explicitly set pc.
3721 2006-10-11 Richard Guenther <rguenther@suse.de>
3723 PR tree-optimization/28230
3724 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3725 to the correct place.
3727 2006-10-11 Richard Guenther <rguenther@suse.de>
3730 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3733 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3735 * configure.ac: Added pdf to "Make-hooks"
3736 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3737 targets and *.pdf file patterns in cleanup targets.
3738 * configure: Regenerated.
3740 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3742 * config/avr/predicates.md: New file.
3743 * config/avr/avr.md: Include it.
3744 (REG_SP): New constant.
3745 (peepholes): Use predicates.
3746 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3747 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3748 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3750 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3752 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3755 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3758 * builtins.c (var_decl_component_p): New function.
3759 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3760 single entry optimization to variables and components thereof.
3762 2006-10-10 Richard Guenther <rguenther@suse.de>
3764 PR rtl-optimization/29323
3765 * except.c (set_nothrow_function_flags): For functions
3766 that do not bind local bail out early.
3768 2006-10-10 Ben Elliston <bje@au.ibm.com>
3770 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3773 2006-10-09 Richard Henderson <rth@redhat.com>
3775 Revert emutls patch.
3777 2006-10-09 Richard Guenther <rguenther@suse.de>
3780 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3783 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3786 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3787 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3788 * configure: Regenerate.
3789 * config.in: Regenerate.
3791 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3793 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3795 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3797 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3798 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3799 Remove stray newline.
3801 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3803 * config/mips/mips.c (mips_classify_symbol): Do not return
3804 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3805 (mips_in_small_data_p): Tweak comments.
3807 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3809 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3811 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3813 * gimplify.c, sched-int.h: Fix comment typos.
3815 * sched-int.h: Fix comment typos.
3817 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3819 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3821 * sched-ebb.c (begin_schedule_ready): Use them.
3822 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3823 add_to_speculative_block, create_check_block_twin, speculate_insn,
3824 fix_jump_move, move_block_after_check): Ditto.
3825 * sched-rgn.c (new_ready): Ditto.
3827 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3829 PR rtl-optimization/29128
3830 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3831 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3832 allow interblock movement of speculation checks.
3834 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3837 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3838 casted to integer type.
3839 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3840 if they are significantly more expensive than [reg + index] ones.
3842 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3844 PR tree-optimization/29330
3845 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3846 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3847 on newly allocated ddrs.
3848 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3849 to VEC (loop_p, heap) pointer.
3850 (compute_data_dependences_for_loop): Adjust caller.
3851 (free_dependence_relations): Free DDR_LOOP_NEST.
3853 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3854 free DEPENDENCE_RELATIONS and DATAREFS.
3857 * builtins.c (expand_builtin_sync_operation,
3858 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3859 Use convert_to_mode to handle promoted arguments.
3861 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3863 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3865 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3867 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3869 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3871 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3872 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3873 Use <modeconstraint> instead of "r" as operand 1 constraint.
3875 2006-10-06 Olivier Hainque <hainque@adacore.com>
3877 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3878 Don't recurse on the pointed-to type.
3879 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3880 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3881 types with components of variable size.
3883 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3885 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3887 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3889 PR tree-optimization/29290
3890 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3894 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3895 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3898 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3899 the number of vector elements fill the rest with zeros.
3901 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3903 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3904 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3907 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3909 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3910 unnamed pattern into subsi3. Use correct constraints/predicates.
3911 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3912 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3914 2006-10-05 Ira Rosen <irar@il.ibm.com>
3916 * doc/loop.texi: Add data references analysis description.
3918 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3920 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3922 2006-10-04 Richard Henderson <rth@redhat.com>
3923 Jakub Jelinek <jakub@redhat.com>
3925 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3926 * builtin-types.def (BT_WORD): Make unsigned.
3927 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3928 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3929 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3930 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3931 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3932 * cgraph.c (decide_is_variable_needed): Look at force_output.
3933 Recurse for emulated tls.
3934 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3935 checks redundant with decide_is_variable_needed.
3936 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3937 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3939 * expr.c (emutls_var_address): New.
3940 (expand_expr_real_1): Expand emulated tls.
3941 (expand_expr_addr_expr_1): Likewise.
3942 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3943 * output.h (emutls_finish): Declare.
3944 * toplev.c (compile_file): Call it.
3945 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3946 address before wrapping in CONST.
3947 * varasm.c (emutls_htab, emutls_object_type): New.
3948 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3949 (get_emutls_object_name, get_emutls_object_type): New.
3950 (get_emutls_init_templ_addr, emutls_decl): New.
3951 (emutls_common_1, emutls_finish): New.
3952 (assemble_variable): When emulating tls, swap decls; generate
3953 constructor for the emutls objects.
3954 (do_assemble_alias): When emulating tls, swap decl and target name.
3955 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3957 * emutls.c: New file.
3958 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3959 tls_object for real tls.
3961 2006-10-04 Zack Weinberg <zackw@panix.com>
3963 Fix bug in constraint-check generator, reported by Rask Ingemann
3965 * genpreds.c (add_constraint): Don't remove anything from the
3967 (write_tm_constrs_h): Detect whether "op" argument is used, and
3968 mark it ARG_UNUSED if it isn't.
3969 (write_insn_const_int_ok_for_constraint): Skip the part of the
3970 expression that would test whether "op" (which is not available
3971 here) is a CONST_INT.
3973 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3976 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3978 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3980 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3981 current Leopard versions.
3982 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3984 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3986 * doc/install.texi: Fix typos.
3988 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3990 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3991 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3992 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3994 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3996 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3997 arg to be struct mach_header_64* instead.
3999 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4002 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4003 side effects after the outer expression's post side effects.
4005 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4007 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4008 comments to reflect actual behavior and relationship between
4009 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4011 * doc/c-tree.texi (Working with declarations): Fix documentation
4012 of FIELD_DECL likewise.
4014 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4017 * doc/extend.texi: Add used variable attribute description.
4019 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4022 * c.opt (Woverride-init): New.
4023 * c-opts.c (c_common_post_options): Default warn_override_init to
4025 * c-typeck.c (add_pending_init, output_init_element): Warn for
4026 overriding initializers without side effects.
4027 * doc/invoke.texi (-Woverride-init): Document.
4030 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4032 PR rtl-optimization/28096
4033 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4034 assignment has already been used as a destination earlier in the block.
4036 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4038 * builtins.c (expand_builtin_setjmp): Delete.
4039 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4040 <BUILT_IN_SETJMP_SETUP>: New case.
4041 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4042 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4043 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4044 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4045 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4046 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4047 (lower_function_body): Initialize it to false. If it is set to true
4048 at the end of the processing, emit the setjmp dispatcher.
4049 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4050 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4051 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4052 on the rhs of the assignment.
4053 (lower_builtin_setjmp): New function.
4054 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4055 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4056 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4057 to detect calls that can go to non-local labels. Use specific
4058 helper to create the abnormal edges associated with them.
4059 <MODIFY_EXPR>: Likewise.
4060 (make_abnormal_goto_edges): New function extracted from...
4061 (make_goto_expr_edges): ...here. Call it for computed gotos.
4062 (simple_goto_p): Minor tweak.
4063 (tree_can_make_abnormal_goto): New predicate.
4064 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4065 (tree_purge_dead_abnormal_call_edges): New function.
4066 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4067 (tree_purge_dead_abnormal_call_edges): Likewise.
4068 (make_abnormal_goto_edges): Likewise.
4069 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4070 Purge all dead abnormal edges if the call was in the last statement.
4071 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4072 (execute_fixup_cfg): If there are non-local labels in the function,
4073 scan the basic blocks and split them at calls that can go to non-local
4074 labels or add missing abnormal call edges. Write down the CFG in the
4076 (pass_fixup_cfg): Remove TODO_dump_func flag.
4077 * unwind-sjlj.c: Poison setjmp.
4078 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4079 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4080 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4081 (DONT_USE_BUILTIN_SETJMP): Document it.
4083 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4086 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4087 to 1 when __ppc64__ is defined.
4088 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4090 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4092 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4094 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4095 * config/ia64/unwind-hpux.c: Delete.
4097 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4099 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4100 on the element before gimplifying it, instead of punting if it is of
4103 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4105 * doc/loop.texi: New file.
4106 * doc/gccint.texi: Reference loop.texi.
4107 * Makefile.in (loop.texi): Add.
4109 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4111 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4113 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4114 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4116 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4118 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4120 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4122 * doc/install.texi: Document required versions of GMP and MPFR.
4124 2006-09-27 Paul Brook <paul@codesourcery.com>
4127 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4129 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4131 * reload1.c (alter_reg): Require the alignment of the stack slot to
4132 be at least reg_max_ref_width bytes.
4133 (scan_paradoxical_subregs): Record the largest width in
4136 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4140 * tree-nested.c (struct nesting_info): Added static_chain_added.
4141 (convert_call_expr): Set static_chain_added when adding static
4142 chain. Handle OMP_PARALLEL and OMP_SECTION.
4144 2006-09-25 Matthias Klose <doko@debian.org>
4146 * doc/invoke.texi: Add missing full stop.
4148 2006-09-25 Richard Henderson <rth@redhat.com>
4150 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4151 before cgraph_function_flags_ready.
4153 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4154 Adam Nemet <anemet@caviumnetworks.com>
4156 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4157 determine_common_wider_type): New functions.
4158 (get_computation_aff): Use them to simplify arithmetic between
4159 UBASE and CBASE if they are shortened from the same type.
4161 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4164 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4165 -2147483647 - 1 instead of 0x80000000.
4167 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4169 * flags.h (HONOR_NANS): Fix typo in comment.
4171 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4173 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4175 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4179 * tree.c (merge_attributes, attribute_list_contained): If both
4180 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4182 * c-typeck.c (comptypes_internal): Don't consider aggregates
4183 in different TUs as compatible if there one set of attributes is
4184 not a subset of the other type's attributes.
4185 (composite_type): Try harder not to create a new aggregate type.
4187 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4189 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4190 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4191 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4192 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4193 than replicating condition above.
4194 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4196 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4197 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4198 the linker by default.
4200 2006-09-22 Mike Stump <mrs@apple.com>
4202 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4205 2006-09-22 Richard Guenther <rguenther@suse.de>
4208 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4209 sort of stack variables stable.
4211 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4214 * explow.c (force_reg): Set REG_POINTER flag according to
4217 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4219 PR tree-optimization/28888
4220 * tree-if-conv.c (combine_blocks): Rewritten.
4221 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4222 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4224 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4226 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4229 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4231 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4233 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4235 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4237 2006-09-21 Roger Sayle <roger@eyesopen.com>
4240 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4241 dw_fde_current_label, to be the start of the function, i.e. the same
4242 value as dw_fde_begin.
4244 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4246 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4247 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4248 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4249 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4250 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4251 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4252 (abs<mode>2, neg<mode>2): Likewise.
4253 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4254 (*mips_abs_ps): New define_insn.
4256 2006-09-20 Josh Conner <jconner@apple.com>
4259 * calls.c (expand_call): Allow reuse of structure return stack
4262 2006-09-20 Paul Brook <paul@codesourcery.com>
4264 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4267 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4269 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4270 clean up terminology.
4272 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4275 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4276 with tablejumps in them.
4278 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4281 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4282 wrap it into TARGET_EXPR.
4284 2006-09-20 Eric Christopher <echristo@apple.com>
4286 * config/i386/i386.c (x86_fisttp): Remove.
4287 * config/i386/i386.h (x86_fisttp): Ditto.
4288 (TARGET_FISTTP): Ditto.
4290 2006-09-19 Eric Christopher <echristo@apple.com>
4292 * doc/tm.texi (OBJC_JBLEN): Describe.
4293 * config/i386/darwin.h (OBJC_JBLEN): Define.
4294 * config/rs6000/darwin.h: Ditto.
4296 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4298 PR rtl-optimization/21299
4299 * reload1.c (reload): Purge invalid ASMs in the final pass.
4301 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4304 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4305 pointers as legitimate constants.
4307 2006-09-19 Paul Brook <paul@codesourcery.com>
4310 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4312 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4314 PR tree-optimization/28887
4315 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4316 component parts from the reference.
4317 (gather_memory_references_ref): Record the reference without the
4318 nonaddressable component parts.
4320 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4323 * c-opts.c (c_common_handle_option): Ignore the -std options
4324 if the input language is assembly.
4326 2006-09-17 Ira Rosen <irar@il.ibm.com>
4329 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4331 (ptr_ptr_may_alias_p): Likewise.
4332 (record_record_differ_p): New function.
4333 (base_object_differ_p): Call record_record_differ_p.
4335 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4338 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4339 away for the expr argument.
4341 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4344 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4345 before using it for dumping after vectorizing loops.
4347 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4348 Jack Howarth <howarth@bromo.med.uc.edu>
4351 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4352 skip on error_mark_node.
4353 (rs6000_darwin64_record_arg_recurse): Likewise.
4355 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4357 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4358 * doc/rtl.texi: Remove related documentation.
4360 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4362 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4365 2006-09-15 Jim Wilson <wilson@specifix.com>
4367 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4368 Handle symbol offsets same as they are handled in ia64_expand_move
4371 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4373 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4374 Add forgotten parameter to the fprintf call.
4376 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4378 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4380 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4382 * doc/contrib.texi: Add my entry.
4384 2006-09-15 Nick Clifton <nickc@redhat.com>
4386 * doc/md.texi (Processor pipeline description): Fix typo in
4387 example of how to use the absence_set directive and reword the
4388 description to make it slightly easier to read.
4390 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4392 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4393 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4394 expanding the number of iterations.
4395 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4397 * cfgrtl.c (emit_insn_at_entry): New function.
4398 * rtl.h (emit_insn_at_entry): Declare it.
4399 * integrate.c (emit_initial_value_sets): Use it.
4401 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4403 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4405 (struct loop_work and related VEC declarations): Delete.
4406 (bfin_dump_loops): Print out new member bad.
4407 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4408 (bfin_scan_loop): Don't recurse.
4409 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4410 loops. No longer need to update outer loops if the current one is
4411 found bad. Move some validitiy checks to bfin_discover_loop.
4412 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4413 but changed not to check for nesting. Also changed to use the new bad
4415 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4416 time. Use bitmap based test to discover loop nesting.
4418 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4420 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4423 2006-09-14 Richard Guenther <rguenther@suse.de>
4424 Kazu Hirata <kazu@codesourcery.com>
4426 PR middle-end/28884.
4427 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4428 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4429 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4430 with TARGET_FUNCTION_VALUE.
4432 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4435 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4437 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4439 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4442 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4445 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4448 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4450 * basic_block.h (bb_has_eh_pred): Fix comment.
4452 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4454 * flow.c (calculate_global_regs_live): Invalidate eh registers
4455 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4456 (propagate_block): Handle eh registers as if they were set at basic
4458 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4460 * global.c (global_conflicts): Make eh registers to conflict with
4461 pseudos live at basic block begin.
4462 * basic_block.h (bb_has_eh_pred): New function.
4464 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4466 PR rtl-optimization/28982
4467 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4468 index of a PRE_MODIFY or POST_MODIFY address.
4469 * reload1.c (inc_for_reload): Use find_replacement on the original
4470 base and index registers.
4472 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4474 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4475 for -Os. Update __m128 alignment requirement.
4477 2006-09-13 Jan Hubicka <jh@suse.cz>
4479 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4481 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4483 PR rtl-optimization/28243
4484 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4485 the insn to which the note was originally attached.
4487 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4488 Roger Sayle <roger@eyesopen.com>
4490 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4491 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4492 on platforms that don't use dwarf for debug info.
4494 2006-09-12 Jason Merrill <jason@redhat.com>
4497 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4498 hard_frame_pointer_rtx after using it to update the frame pointer.
4500 2006-09-12 Roger Sayle <roger@eyesopen.com>
4502 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4503 (TARGET_ASM_CLOSE_PAREN): Likewise.
4504 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4505 (TARGET_ASM_CLOSE_PAREN): Likewise.
4507 2006-09-12 Roger Sayle <roger@eyesopen.com>
4510 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4511 frame information for frames larger than 512 Kbytes on Tru64 when
4512 using the native assembler.
4514 2006-09-12 Roger Sayle <roger@eyesopen.com>
4518 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4519 and symbols. Instead use the implementation from cse.c's hash_rtx.
4521 2006-09-12 Jan Hubicka <jh@suse.cz>
4523 PR rtl-optimization/28071
4524 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4525 (vect_transform_loop): Likewise.
4526 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4527 (new_loop_vec_info): Likewise.
4528 (destroy_loop_vec_info): Likewise.
4529 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4530 (create_stmt_ann): Likewise.
4531 (create_tree_ann): Rename to ...
4532 (create_tree_common_ann): ... this one; allocate only the common part
4534 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4535 (get_value_handle): Likewise.
4536 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4537 get_tree_common_ann.
4538 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4539 (vinfo_for_stmt): Use stmt annotations.
4540 * tree-flow.h (tree_ann_common_t): New type.
4541 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4542 (tree_ann, get_tree_ann, create_tree_ann): New.
4543 * tree-flow-inline.h (get_function_ann): Do more type checking.
4544 (stmt_ann): Likewise.
4545 (tree_ann): Rename to ...
4546 (tree_common_ann): ... this one; return ony common_ann
4547 (get_tree_ann): Rename to ...
4548 (tree_common_ann): This one; return only common_ann.
4549 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4552 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4554 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4555 with_cpu by default.
4557 * dwarf2out.c (dwarf_file_data): New.
4558 (enum dw_val_class): Add dw_val_class_file.
4559 (struct dw_val_struct): Add val_file.
4560 (file_table): Change to a hash table.
4561 (file_table_emitted): Delete.
4562 (file_table_last_lookup_index): Delete.
4563 (emitcount): Delete.
4564 (last_emitted_file): New.
4565 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4566 (init_file_table): Delete.
4567 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4568 (AT_addr): Add comment.
4572 (print_die): Handle dw_val_class_file.
4573 (print_dwarf_line_table): Update for new file table structure.
4574 (attr_checksum): Do checksum a filename.
4575 (same_dw_val_p, same_attr_p): Do compare a filename.
4576 (size_of_die): Handle dw_val_class_file.
4577 (value_format): Likewise.
4578 (output_die): Likewise. Also, call maybe_emit_file here.
4579 (struct file_info): Constify filenames. Make file_idx a pointer
4580 to a struct dwarf_file_data.
4581 (struct dir_info): Constify directory names. Remove 'used' field.
4582 (struct file_name_acquire_data): New.
4583 (file_name_acquire): New.
4584 (output_file_names): Modify to handle new file data structures.
4585 (add_src_coords_attributes): Use add_AT_file.
4586 (add_call_src_coords_attributes): Likewise.
4587 (dwarf2out_imported_module_or_decl): Likewise.
4588 (gen_subprogram_die): Modify for new file data structures.
4589 (gen_variable_die): Likewise.
4590 (file_table_eq): New.
4591 (file_table_hash): New.
4592 (file_table_last_lookup): New.
4593 (lookup_filename): Rewrite to handle new file data structures.
4594 (maybe_emit_file): Rewrite to handle new file data structures.
4595 (dwarf2out_source_line): Always call lookup_filename and
4597 (dwarf2out_init): Create file_table here.
4598 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4599 (file_table_relative_p): New.
4600 (dwarf2out_finish): Change detection of relative filenames
4601 to work with new file data structures. Move output_line_info call
4602 after debug_info output.
4604 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4609 * config/i386/i386.c (override_options): Always default to 16
4610 byte stack boundary.
4612 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4615 * var-tracking.c (dump_dataflow_set): Start dumping at
4617 (clobber_variable_part): Kill only the variable part in
4618 registers holding it, leaving other variables alone.
4620 2006-09-11 Josh Triplett <josh@freedesktop.org>
4622 * doc/extend.texi (Other Builtins): Actually use the macro
4623 argument in the documentation example for
4624 __builtin_types_compatible_p.
4626 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4628 PR rtl-optimization/28726
4629 * sched-deps.c (sched_analyze_reg): New function extracted from...
4630 (sched_analyze_1): ...here. Call it to analyze references to
4631 registers. Treat again writes to a stack register as writing to the
4633 (sched_analyze_2): ...and here. Call it to analyze references to
4634 registers. Treat again reads of a stack register as reading the
4637 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4638 David Edelsohn <edelsohn@gnu.org>
4641 * config/rs6000/spe.md (frob_df_di): Remove %H.
4642 (frob_di_df): Remove %H. Change evmergelo to mr.
4643 (frob_di_df_2): Remove %H. Change evldd to two loads.
4645 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4647 * doc/cpp.texi: Fix names of charset options.
4649 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4652 * config/i386/i386.c (override_options): Use 128-bit
4653 stack boundary always for 64bits.
4655 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4657 PR rtl-optimization/28636
4658 * combine.c (force_to_mode): Test for side-effects before
4659 substituting by zero.
4660 (simplify_shift_const): Likewise for zero or other constants.
4662 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4665 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4668 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4671 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4672 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4673 returned by mode_for_size, rather than the mode of src itself,
4674 to choose between 32-bit and 64-bit patterns.
4675 (mips_mem_fits_mode_p): New function.
4676 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4677 that the size of the source matches the size of the destination.
4678 (mov_<store>l, mov_<store>r): Likewise.
4680 2006-09-10 Eric Christopher <echristo@apple.com>
4682 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4685 2006-09-09 Eric Christopher <echristo@apple.com>
4688 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4691 2006-09-09 Roger Sayle <roger@eyesopen.com>
4692 Nicolas Setton <setton@adacore.com>
4694 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4696 2006-09-10 Andreas Schwab <schwab@suse.de>
4698 * config/m68k/m68k.md (bungt_rev): New pattern.
4700 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4701 Dale Johannesen <dalej@apple.com>
4704 * regclass.c (struct reg_pref): Update documentation.
4705 (regclass): Set prefclass to NO_REGS if memory is the best option.
4706 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4708 2006-09-08 Eric Christopher <echristo@apple.com>
4710 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4711 * config/t-slibgcc-darwin: Support x86_64 multilib.
4712 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4713 Return 1 for x86_64-darwin.
4714 * config/i386/t-darwin: Add m64 multilib.
4715 (LIB2_SIDITI_CONV_FUNCS): Use.
4716 (LIB2FUNCS_EXTRA): Ditto.
4717 * config/i386/darwin.h: Support x86_64.
4718 * config/i386/i386.c (override_options): Turn on flag_pic
4719 for x86_64-darwin. Disable flag_omit_pointer.
4720 (get_pc_thunk_name): Assert !TARGET_64BIT.
4721 (legitimate_address_p): Disable machopic addressing for
4723 (legitimize_pic_address): Ditto.
4724 (ix86_expand_move): Ditto.
4725 (ix86_expand_call): Ditto.
4726 (machopic_output_stub): Ditto.
4727 * config/darwin.c (machopic_select_section): Support literal16.
4728 (machopic_select_rtx_section): Ditto.
4729 * config/darwin-sections.def: Ditto.
4730 * config/darwin-64.c: New.
4732 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4735 * c-tree.h (struct c_arg_info): Add pending_sizes.
4736 * c-parser.c (c_parser_parms_declarator,
4737 c_parser_parms_list_declarator): Initialize pending_sizes.
4738 * c-decl.c (get_parm_info): Initialize pending_sizes.
4739 (get_parm_info): Set pending_sizes.
4740 (grokdeclarator): Call put_pending_sizes for parameters for
4741 function definition only.
4743 2006-09-07 Jason Merrill <jason@redhat.com>
4746 * varasm.c (output_constant): Only strip actual no-op conversions.
4749 * config/i386/i386.c (override_options): Use 128-bit
4750 stack boundary if -msse.
4752 2006-09-07 Eric Christopher <echristo@apple.com>
4754 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4756 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4759 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4761 * dwarf2out.c: Remove strange characters from comment above
4762 dwarf2out_frame_debug_expr.
4764 2006-09-07 Eric Christopher <echristo@apple.com>
4766 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4767 * config/darwin.h: ... to here.
4769 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4771 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4773 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4774 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4776 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4777 TARGET_PARTIAL_FLAG_REG_STALL.
4778 (*ashldi3_cconly_rex64): Likewise.
4779 (*ashlsi3_cmp): Likewise.
4780 (*ashlsi3_cconly): Likewise.
4781 (*ashlsi3_cmp_zext): Likewise.
4782 (*ashlhi3_cmp): Likewise.
4783 (*ashlhi3_cconly): Likewise.
4784 (*ashlqi3_cmp): Likewise.
4785 (*ashlqi3_cconly): Likewise.
4786 (*ashrdi3_cmp_rex64): Likewise.
4787 (*ashrdi3_cconly_rex64): Likewise.
4788 (*ashrsi3_cmp): Likewise.
4789 (*ashrsi3_cconly): Likewise.
4790 (*ashrsi3_cmp_zext): Likewise.
4791 (*ashrhi3_cmp): Likewise.
4792 (*ashrhi3_cconly): Likewise.
4793 (*ashrqi3_cmp): Likewise.
4794 (*ashrqi3_cconly): Likewise.
4795 (*lshrdi3_cmp_rex64): Likewise.
4796 (*lshrdi3_cconly_rex64): Likewise.
4797 (*lshrsi3_cmp): Likewise.
4798 (*lshrsi3_cconly): Likewise.
4799 (*lshrsi3_cmp_zext): Likewise.
4800 (*lshrhi3_cmp): Likewise.
4801 (*lshrhi3_cconly): Likewise.
4802 (*lshrqi2_cmp): Likewise.
4803 (*lshrqi2_cconly): Likewise.
4805 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4808 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4809 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4810 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4811 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4812 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4813 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4814 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4815 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4816 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4817 implement only CC setting effects of shift instructions.
4819 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4821 * doc/contrib.texi: Add myself.
4823 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4826 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4827 was set by the user.
4829 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4832 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4833 (divsi_inv_m1): Use them.
4834 (UNSPEC_DIV_INV_TABLE): New constant.
4836 2006-09-06 James E Wilson <wilson@specifix.com>
4839 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4840 then call count_or_remove_death_notes.
4842 2006-09-06 Jason Merrill <jason@redhat.com>
4845 * tree-inline.c (copy_result_decl_to_var): New fn.
4846 (declare_return_variable): Use it. Call declare_inline_vars here.
4847 (expand_call_inline): Not here.
4849 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4851 * doc/contrib.texi: Update my entry.
4853 2006-09-06 Nick Clifton <nickc@redhat.com>
4855 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4857 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4860 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4861 (canonicalize_induction_variables): Likewise.
4862 (tree_unroll_loops_completely): Likewise.
4863 (tree_ssa_prefetch_arrays): Likewise.
4864 (remove_empty_loops): Likewise.
4865 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4866 TODO_cleanup_cfg instead of directly calling
4867 cleanup_tree_cfg_loop.
4868 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4870 (tree_unroll_loops_completely): Likewise.
4871 (remove_empty_loops): Likewise.
4872 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4873 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4874 of tree_ssa_unswitch_loops.
4875 (tree_ssa_loop_ivcanon): Use the return value of
4876 canonicalize_induction_variables.
4877 (tree_ssa_empty_loop): Use the return value of
4879 (tree_complete_unroll): Use the return value of
4880 tree_unroll_loops_completely.
4881 (tree_ssa_loop_prefetch): Use the return value of
4882 tree_ssa_prefetch_arrays.
4883 * passes.c (execute_todo): Before Cleanup CFG, set
4884 updating_used_alone and after cleanup CFG, call
4885 recalculate_used_alone.
4887 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4890 * tree-vect-transform.c (vectorizable_condition): Move the check
4891 for the type after the check for simple condition.
4893 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4894 Kaz Kojima <kkojima@gcc.gnu.org>
4897 * mode-switching.c (optimize_mode_switching): Make the destination
4898 block of an abnormal edge have no anticipatable mode. Don't
4899 insert mode switching code at the end of the source block of
4902 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4904 PR rtl-optimization/26847
4905 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4906 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4907 (simplify_plus_minus): Count n_constants while filling ops. Replace
4908 qsort with insertion sort. Before going through the array to simplify
4909 pairs, sort it. Delay early exit until after the first sort, exiting
4910 only if no swaps occurred. Simplify pairs in reversed order, without
4911 special-casing the first iteration. Pack ops after simplifying pairs.
4913 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4915 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4916 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4917 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4918 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4920 2006-09-05 Richard Guenther <rguenther@suse.de>
4922 PR tree-optimization/28900
4923 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4924 compound conditional before creating COND_EXPR condition.
4926 2006-09-05 Richard Guenther <rguenther@suse.de>
4928 PR tree-optimization/28905
4929 * tree-vrp.c (fix_equivalence_set): Manually implement
4930 !value_ranges_intersect_p to also handle symbolic ranges.
4932 2006-09-05 Richard Guenther <rguenther@suse.de>
4935 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4938 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4940 PR rtl-optimization/27616
4941 * cse.c (table_size): New static variable.
4942 (new_basic_block): Initialize it to 0.
4943 (remove_from_table): Decrement it.
4944 (insert): Increment it.
4945 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4946 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4947 fold_rtx_mem_1 if under the cap.
4948 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4949 the lookup of the equivalent expression and test for equality of the
4950 first operand of the equivalent expression before in turn looking up
4951 an equivalent constant for the second operand.
4953 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4956 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4957 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4958 pointer, instead of assuming it is possible to derive the
4959 correct args size from a call insn.
4961 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4964 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4965 (fold_builtin_mempcpy): Rename to...
4966 (fold_builtin_memory_op): ... this. Optimize one element copy
4968 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4970 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4971 (expand_builtin_memcpy, expand_builtin_mempcpy,
4972 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4973 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4974 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4975 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4977 2006-09-01 DJ Delorie <dj@redhat.com>
4979 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4980 (stzx_16): Likewise.
4981 ("stzx_24_<mode>"): Likewise.
4982 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4983 ("cmp<mode>_op"): New.
4984 (cmp<mode>): Change to expander; just save operands.
4986 (b<code>): Change to expander, emit compare here.
4987 (s<code>_op): Change to use split and expander.
4988 (s<code>_24_op): Likewise.
4989 (s<code>_<mode>): New.
4990 (s<code>_<mode>_24): New.
4991 (movqicc_<code>_<mode): New.
4992 (movhicc_<code>_<mode>): New.
4995 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4996 (m32c_pend_compare): New.
4997 (m32c_unpend_compare): New.
4998 (m32c_expand_scc): New.
4999 (m32c_expand_movcc): Emit the compare also.
5000 * config/m32c/predicates.md (mra_nopp_operand): New.
5002 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5003 Richard Guenther <rguenther@suse.de>
5004 Adam Nemet <anemet@caviumnetworks.com>
5007 * builtins.c (get_pointer_alignment): Handle more forms
5008 of base addresses that can be used to derive more precise
5009 information about alignment.
5011 2006-09-01 Jason Merrill <jason@redhat.com>
5014 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5017 * gimplify.c (voidify_wrapper_expr): Handle null type.
5019 2006-09-01 Josh Conner <jconner@apple.com>
5022 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5023 (execute_return_slot_opt): Use it.
5025 2006-08-31 Josh Conner <jconner@apple.com>
5028 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5029 returning aggregates.
5031 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5033 PR tree-optimization/28839
5034 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5035 blocks in that phi arguments appear.
5037 2006-08-31 Roger Sayle <roger@eyesopen.com>
5040 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5041 NULL, otherwise use an advance_loc4 to adjust relative to the
5043 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5044 (dwarf2out_switch_text_section): Reset the current label to avoid
5045 using advance_loc4 over section boundaries.
5047 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5050 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5051 r12 + SYMBOLIC_CONST.
5053 2006-08-30 Richard Guenther <rguenther@suse.de>
5055 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5057 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5059 PR rtl-optimization/27735
5060 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5061 Add new argument to keep track of whether an irreducible region
5062 was affected. All callers changed.
5063 (fix_irreducible_loops): Removed.
5064 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5065 flags were invalidated.
5067 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5069 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5070 instead of SF operands.
5071 (*fop_df_comm_sse): Likewise.
5072 (*fop_df_comm_i387): Likewise.
5073 (*fop_df_1_mixed): Likewise.
5074 (*fop_df_1_sse): Likewise.
5076 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5077 J"orn Rennecke <joern.rennecke@st.com>
5079 PR tree-optimization/17506
5080 * tree-ssa.c (warn_uninit): If warning about a location outside of
5081 the current function, note where the variable was declared.
5083 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5085 PR tree-optimization/28411
5086 * double-int.c (double_int_div): Use double_int_divmod.
5087 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5088 double_int_mod, double_int_smod, double_int_umod): New functions.
5089 * double-int.h (double_int_divmod, double_int_sdivmod,
5090 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5092 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5094 (get_computation_aff, get_computation_cost_at): Handle double_int
5095 return type of constant_multiple_of.
5097 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5100 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5101 an implicit conversion.
5103 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5105 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5107 2006-08-27 Roger Sayle <roger@eyesopen.com>
5109 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5112 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5114 * config/i386/crtfastmath.c: Fix a comment typo.
5116 2006-08-26 Roger Sayle <roger@eyesopen.com>
5118 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5119 temporary visit flags on CASE_LABEL_EXPRs.
5120 * c-common.c (match_case_to_enum): Add function comment. Avoid
5121 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5122 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5123 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5124 a constant, only warn if that constant value isn't handled.
5126 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5129 * input.h (restore_input_file_stack): Declare.
5130 (INPUT_FILE_STACK_BITS): Define.
5131 * toplev.c (fs_p, input_file_stack_history,
5132 input_file_stack_restored, restore_input_file_stack): New.
5133 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5134 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5135 (pop_srcloc): Don't free old state of stack.
5137 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5140 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5141 (PowerPC Type Attributes): New.
5143 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5145 * config/xtensa/xtensa.c (function_arg_boundary): New.
5146 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5148 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5149 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5151 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5154 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5157 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5159 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5160 (verify_local_live_at_start): Likewise.
5162 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5165 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5166 omp_add_variable): Treat sizes as variable whenever not
5169 2006-08-26 Richard Guenther <rguenther@suse.de>
5172 * fold-const.c (fold_binary): Fold temporary to correct
5173 type before constructing new comparison.
5175 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5178 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5179 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5181 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5184 * c-decl.c (start_function): Don't try to process prototype
5185 information from old declaration that isn't a function.
5187 2006-08-25 Jan Hubicka <jh@suse.cz>
5190 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5192 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5195 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5198 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5200 PR tree-optimization/16876
5201 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5202 exit if PARM doesn't match VALUE.
5204 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5206 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5207 literal_prefix directive.
5208 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5209 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5210 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5212 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5215 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5216 predicate to general_operand. Add 0->y and I->r alternatives.
5218 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5220 * doc/tm.texi: Fix a typo.
5221 * predict.c: Fix comment typos.
5223 2006-08-25 Nick Clifton <nickc@redhat.com>
5225 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5226 assertions of "cpu" and "machine".
5228 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5231 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5232 the access through a base which has an alias set of 0 cannot
5235 2006-08-24 Bill Wendling <wendling@apple.com>
5237 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5239 2006-08-24 Jan Hubicka <jh@suse.cz>
5241 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5243 2006-08-24 Jan Hubicka <jh@suse.cz>
5246 * cgraph.c: Fix comments.
5247 (cgraph_varpool_mark_needed_node): Mark only variables not already
5249 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5250 (cgraph_varpool_assembled_nodes_queue): New static variable.
5251 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5252 (cgraph_varpool_output_debug_info): New function.
5253 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5254 * Makefile.in: Add gt-cgraphunit.h
5256 2006-08-24 Jan Hubicka <jh@suse.cz>
5258 * predict.c (probability_reliable_p): New predicate.
5259 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5260 (predict_loops): Do not predict loop exit with less than 2%
5262 * basic-block.h (edge_probability_reliable_p,
5263 br_prob_note_reliable_p): Declare.
5264 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5265 prediction when static predictor is not reliable.
5266 * rs6000.c (output_cbranch): Likewise.
5268 2006-08-23 Stuart Hastings <stuart@apple.com>
5271 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5272 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5274 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5277 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5278 complex values, nor for generic vector values.
5280 2006-08-22 Richard Guenther <rguenther@suse.de>
5283 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5284 parameter. Convert arguments to arithmetic expression to the
5286 (analyze_scalar_evolution_1): Adjust caller.
5288 2006-08-22 Jan Hubicka <jh@suse.cz>
5290 Patch by Paolo Bonzini
5291 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5294 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5296 PR tree-optimization/28003
5297 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5298 before grouping aliases.
5300 2006-08-22 Roger Sayle <roger@eyesopen.com>
5302 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5303 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5305 2006-08-21 Jason Merrill <jason@redhat.com>
5308 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5309 wrapper. Loop to handle nested wrappers.
5310 (gimplify_bind_expr): Remove temp parameter.
5311 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5312 and STATEMENT_LIST on the rhs.
5313 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5314 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5315 (gimplify_target_expr): Remove special BIND_EXPR handling.
5317 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5319 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5322 2006-08-21 Olivier Hainque <hainque@adacore.com>
5324 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5325 Arrange for the temporary captures of components overlapping the lhs
5326 to happen before the lhs is possibly cleared.
5328 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5330 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5331 necessary places to pass the correct "number of registers" values
5334 2006-08-20 Jan Hubicka <jh@suse.cz>
5336 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5337 (create_name_tags): Instead of quadratic checking use hashtable.
5338 * bitmap.h: Include hashtab.h.
5339 (bitmap_hash): Declare.
5340 * bitmap.c (bitmap_hash): New function.
5342 2006-08-20 Jan Hubicka <jh@suse.cz>
5344 PR rtl-optimization/28071
5345 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5347 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5348 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5349 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5350 cgraph_decide_inlining_incrementally): Update use of
5351 cgraph_check_inline_limits.
5352 * cgraph.c (edge_hash, edge_eq): New function.
5353 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5354 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5355 cgraph_remove_node): Maintain call site hash.
5356 * cgraph.h (struct cgraph_node): Add call_site_hash.
5357 (cgraph_set_call_stmt): New function.
5359 2006-08-20 Jan Hubicka <jh@suse.cz>
5361 PR rtl-optimization/28071
5362 * reload1.c (reg_has_output_reload): Turn into regset.
5363 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5364 choose_reload_regs, emit_reload_insns): Update to new
5365 reg_has_output_reload.
5367 2006-08-20 Jan Hubicka <jh@suse.cz>
5370 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5371 function body sizes.
5372 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5374 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5377 * tree.c (handle_dll_attribute): Return early if not a
5378 var or function decl.
5380 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5383 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5384 alignment of SPE vector types.
5386 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5388 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5390 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5393 * cgraph.h (struct cgraph_node): Remove externally_visible
5395 * cgraphunit.c (process_function_and_variable_attributes): Set
5396 local.externally_visible rather than externally_visible.
5399 * c-common.c (handle_externally_visible_attribute): First look
5400 at TREE_CODE and only if it is function or var decl, check for
5401 non-public objects. Don't warn for DECL_EXTERNAL.
5402 * cgraphunit.c (process_function_and_variable_attributes): Warn
5403 if externally_visible attribute is used on non-public object.
5405 2006-08-17 Jan Hubicka <jh@suse.cz>
5407 PR tree-optimization/27865
5408 * reload1.c (forget_marked_reloads): New function.
5409 (forget_old_reloads_1): When data are passed, just mark the registers
5411 (reload_as_needed): Use the new mechanizm.
5413 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5416 * reload.h (reg_equiv_alt_mem_list): New declaration.
5417 * reload1.c (reg_equiv_alt_mem_list): New definition.
5418 (reload): Initialize it and release it.
5419 (delete_output_reload): Use it.
5420 * reload.c (push_reg_equiv_alt_mem): New function.
5421 (find_reloads_toplev): Call it.
5422 (find_reloads_address, find_reloads_address_1): Likewise.
5423 (find_reloads_subreg_address): Likewise.
5425 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5427 PR rtl-optimization/28489
5428 * sched-ebb.c (begin_schedule_ready): Create basic block
5430 (advance_target_bb): Skip empty blocks.
5431 * haifa-sched.c (bb_note): Make global.
5432 * sched-int.h (bb_note): Add prototype.
5434 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5436 PR tree-optimization/27865
5437 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5439 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5440 fold_used_pointer, pointer_used_p): New functions.
5441 (analyze_scalar_evolution_1): Use fold_used_pointer.
5442 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5443 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5446 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5449 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5450 or the INTEGER_CST. Fail on a CALL_EXPR.
5451 (fold_offsetof): Pass new argument to fold_offsetof_1.
5452 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5453 operand into an INDIRECT_REF.
5454 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5456 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5458 PR gcov/profile/26570
5459 * value-prof.c (static_values): Removed.
5460 (tree_find_values_to_profile): Do not set static_values.
5461 (find_values_to_profile): Do not free static_values.
5462 * profile.c (instrument_values): Do not free the values.
5463 (branch_prob): Free the values.
5465 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5467 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5469 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5472 * c-typeck.c (build_component_ref): Combine qualifiers of
5473 structure or union and field.
5475 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5477 PR rtl-optimization/28071
5478 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5479 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5480 * tree-into-ssa.c (struct dom_dfsnum): New.
5481 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5483 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5484 compute_global_livein.
5485 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5486 in phi nodes in the correct blocks.
5488 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5490 PR tree-optimization/28364
5491 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5493 (fold_affine_expr): New function.
5494 (may_eliminate_iv): Use fold_affine_expr.
5496 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5499 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5502 2006-08-16 Mike Stump <mrs@apple.com>
5504 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5505 * doc/cppopts.texi (-MD): Likewise.
5507 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5510 * c-common.c (handle_weak_attribute): Ignore and warn if
5511 not a FUNCTION_ or VAR_DECL.
5513 2006-07-15 Mike Stump <mrs@apple.com>
5516 * c-parser.c (c_parser_typeof_specifier): Don't use
5517 c_finish_expr_stmt, open code desired semantics instead.
5519 2006-08-15 Nick Clifton <nickc@redhat.com>
5521 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5522 fragment to tmake_file only if threads are enabled.
5523 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5524 * config/i386/t-gthr-win32: New file. ... here.
5526 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5529 * c-parser.c (c_parser_compound_statement_nostart): Reset
5530 parser->error after each statement.
5532 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5535 * omp-low.c (lower_omp_parallel): Convert t to
5536 receiver_decl's type.
5537 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5538 source before comparison.
5541 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5542 to itype in assignment to oldival2.
5544 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5548 * c-typeck.c (build_compound_expr): If the second expression
5549 is an error mark, then just return an error mark instead of
5550 creating a COMPOUND_EXPR.
5552 2006-07-14 Mike Stump <mrs@apple.com>
5554 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5556 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5558 * c-decl.c, var-tracking.c: Fix comment typos.
5560 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5562 PR rtl-optimization/28634
5563 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5564 for floating-point modes unless flag_unsafe_math_optimizations.
5566 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5567 Andrew Pinski <pinskia@physics.uc.edu>
5570 * tree.c (build_array_type): Unify array types with
5571 unspecified index_type.
5572 * c-decl.c (grokdeclarator): Make sure we do not modify a
5573 unified incomplete array type.
5574 * c-typeck.c (store_init_value): Create distinct type before
5575 filling in the index type in an initializer from a compound
5578 * c-decl.c (grokdeclarator): Remove code where we copy the
5581 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5583 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5584 into account for TODO_dump_cgraph.
5585 (TODO_update_ssa_no_phi): Likewise.
5586 (TODO_update_ssa_full_phi): Likewise.
5587 (TODO_update_ssa_only_virtuals): Likewise.
5588 (TODO_remove_unused_locals): Likewise.
5589 (TODO_set_props): Likewise.
5590 (TODO_update_stmt_usage): Likewise.
5592 2006-08-13 Dirk Mueller <dmueller@suse.de>
5594 * c-common.c (strict_aliasing_warning): Fix formatting.
5596 2006-08-13 Matthias Klose <doko@debian.org>
5598 * doc/invoke.texi: Fix spelling errors.
5600 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5602 PR rtl-optimization/23454
5603 * reorg.c (relax_delay_slots): Update comment.
5605 2006-08-11 Richard Guenther <rguenther@suse.de>
5608 * simplify-rtx.c (simplify_const_relational_operation):
5609 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5612 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5614 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5615 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5617 2006-08-10 Paul Brook <paul@codesourcery.com>
5619 * final.c (final_scan_insn): Clear current_insn_predicate before
5620 outputting inline asm.
5622 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5624 PR tree-optimization/26197
5625 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5626 get_ref_base_and_extent and overlap_subvar to add only relevant
5627 subvars as may-aliases.
5628 (add_may_alias_for_new_tag): New function, factored out of
5630 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5631 with additional argument.
5632 * tree-flow.h (new_type_alias): Takes additional argument.
5634 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5636 * gcov.c (no_data_file): New flag.
5637 (read_count_file): Set it if data file not present. Assume counts
5639 (output_lines): Don't name the data file, if there wasn't one.
5641 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5643 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5644 (rs6000_generate_compare): Tweak comments.
5645 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5647 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5649 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5650 (var_debug_decl): New function.
5651 (var_reg_set): Follow debug decl link. Add location even if
5652 reg is already known to hold some other variable.
5653 (var_mem_set): Follow debug decl link.
5654 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5655 decl link. Delete other known locations of the variable part
5657 (var_reg_delete, var_mem_delete): Delete other known locations
5658 of the variable part if requested.
5659 (same_variable_part_p): New function.
5660 (add_stores): Select MO_COPY when appropriate.
5661 (vt_initialize): Handle it.
5662 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5663 known locations for MO_SET and MO_CLOBBER.
5664 (find_variable_location_part): New function.
5665 (set_variable_part, delete_variable_part): Use it.
5666 (clobber_variable_part): New function.
5667 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5670 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5672 PR tree-optimization/26969
5673 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5674 with an empty list of PHIs.
5676 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5680 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5683 2006-08-06 Andreas Schwab <schwab@suse.de>
5685 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5686 string. Whitespace and comment fixup.
5688 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5691 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5695 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5698 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5700 2006-08-04 Jan Hubicka <jh@suse.cz>
5704 * reload.c (push_reload): Patch out the mismatching instruction;
5706 (find_reload): Bail out if the instruction was patched out.
5708 2006-08-04 Jan Hubicka <jh@suse.cz>
5710 PR tree-optimization/24888
5711 * tree-inline.c (expand_call_inline): Do not re-record variables.
5712 (declare_inline_vars): Add variable to unexpanded_var_list.
5714 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5715 Roger Sayle <roger@eyesopen.com>
5717 PR rtl-optimization/26244
5718 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5719 inner_const are negative or greater than or equal to the bitsize of
5720 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5721 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5722 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5723 CONST0_RTX (mode) when the new shift count is greater than or equal to
5724 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5727 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5729 * tree-cfg.c: Fix a comment typo.
5731 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5734 * varasm.c (output_constant): Give the front end another chance to
5735 expand constants, after stripping NOPs.
5737 2006-08-03 Jan Hubicka <jh@suse.cz>
5739 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5742 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5744 PR tree-optimization/27770
5745 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5746 declaration removed (moved to tree-flow.h).
5747 (vect_can_force_dr_alignment_p): Likewise.
5748 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5749 (moved from tree-vectorizer.h).
5750 (vect_can_force_dr_alignment_p): Likewise.
5751 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5752 from outside the vectorizer - in particular from cgraph stage.
5753 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5754 the alignment of global arrays when -fsection-anchors is enabled.
5755 * cgraphunit.c (cgraph_increase_alignment): New function.
5756 (cgraph_optimize): Call cgraph_increase_alignment.
5758 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5761 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5762 not reload a SPE symbol_ref into a lo_sum address.
5764 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5767 * dwarf2out.c (prune_unused_types_prune): Move call to
5768 prune_unused_types_update_strings to cover the parent DIE also.
5770 2006-08-02 Jan Hubicka <jh@suse.cz>
5772 PR gcov/profile/28480
5773 * tree-cfg.c (change_bb_for_stmt): New function.
5774 (tree_merge_blocks, tree_split_blocks): Use it.
5776 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5782 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5783 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5784 (cgraph_optimize): Likewise.
5786 2006-08-01 Stuart Hastings <stuart@apple.com>
5788 * rtl.h (UINTVAL) New.
5789 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5790 * testsuite/gcc.dg/20060801-1.c: New.
5792 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5795 * c-typeck.c (build_external_type): Mark used enum types.
5796 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5798 (gen_subprogram_die): Whitespace fix.
5800 2006-08-01 Jan Hubicka <jh@suse.cz>
5802 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5803 bitmap when not needed.
5804 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5807 2006-08-01 Dirk Mueller <dmueller@suse.de>
5809 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5811 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5813 * Makefile.in: Revert part of previous patch:
5814 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5817 2006-07-30 Eric Christopher <echristo@apple.com>
5820 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5821 (PowerPC Variable Attributes): New section.
5823 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5825 PR target/28126 (partial fix)
5826 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5828 2006-07-28 Jan Hubicka <jh@suse.cz>
5830 PR rtl-optimization/28071
5831 * cfgrtl.c (rtl_delete_block): Free regsets.
5832 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5834 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5836 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5837 and variables used in dependencies.
5839 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5841 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5842 %fs for -mcmodel=kernel.
5843 (stack_tls_protect_test_di): Likewise.
5845 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5847 * Makefile.in: Use mkinstalldirs.
5849 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5852 * opts-common.c (prune_options): Skip joined switches.
5854 2006-07-27 Jan Hubicka <jh@suse.cz>
5856 PR rtl-optimization/28071
5857 * cselib.c (cselib_process_insn): Don't remove useless values too
5858 often for very large hashtables.
5860 2006-07-27 Jan Hubicka <jh@suse.cz>
5862 PR rtl-optimization/28071
5863 * global.c (greg_obstack): New obstack.
5864 (allocate_bb_info): Use it.
5865 (free_bb_info): Likewise.
5866 (modify_reg_pav): Likewise.
5868 2006-07-27 Roger Sayle <roger@eyesopen.com>
5870 * builtins.c (fold_fixed_mathfn): When long and long long are the
5871 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5872 functions to their lceil*, lfloor*, lround* and lrint* forms.
5874 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5877 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5879 (rev_branch_insn): Likewise.
5881 2006-07-27 Jan Hubicka <jh@suse.cz>
5883 PR rtl-optimization/28071
5884 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5885 (reg_set_in_bb, max_reg_computed): New static variables.
5886 (regmove_optimize): Free the new array.
5887 (fixup_match_1): Update call of reg_is_remote_constant_p.
5889 2006-07-26 Jan Hubicka <jh@suse.cz>
5891 PR tree-optimization/27882
5892 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5894 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5896 (cgraph_analyze_compilation_unit): Likewise.
5897 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5898 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5899 (cgraph_early_inlinine): Make order garbage collected.
5900 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5902 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5904 * dbxout.c (output_types_sort): Add a comment.
5905 (output_used_types): Free the VEC.
5907 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5909 * function.c (reorder_fix_fragments): Delete.
5910 (reorder_blocks): Don't call it.
5911 (reorder_blocks_1): Put all subblocks under the origin block.
5913 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5915 PR rtl-optimization/27907
5916 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5919 2006-07-25 Roger Sayle <roger@eyesopen.com>
5922 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5923 bar(x) check that bar's result type can represent all the values of T.
5925 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5927 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5929 2006-07-25 Nick Clifton <nickc@redhat.com>
5931 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5932 size_lookup[] array.
5933 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5934 (ggc_pch_count_object): Likewise.
5935 (ggc_pch_alloc_object): Likewise.
5936 (ggc_pch_write_object): Likewise.
5937 (init_ggc): Do not attempt to initialize entries in the
5938 size_lookup[] array for objects whose size is greater than than
5939 the length of the array.
5941 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5943 * dbxout.c (output_used_types_helper): Push queued types
5945 (output_types_sort): New.
5946 (output_used_types): Collect used types on a VEC and sort them
5949 2006-07-24 Richard Guenther <rguenther@suse.de>
5952 * cgraph.c (cgraph_remove_node): Do not check if dumps
5954 * cgraphunit.c (cgraph_optimize): Likewise.
5956 2006-07-24 Jan Hubicka <jh@suse.cz>
5958 PR rtl-optimization/28071
5959 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5960 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5961 splitting before first stmt.
5963 2006-07-24 Jan Hubicka <jh@suse.cz>
5965 PR rtl-optimization/28071
5966 * ipa-inline.c (update_caller_keys): Remove edges that
5967 are no longer inline candidates.
5969 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5972 * dbxout.c (output_used_types_helper, output_used_types): New.
5973 (dbxout_symbol): Call output_used_types.
5975 2006-07-23 Jan Hubicka <jh@suse.cz>
5979 * cgraph.c (cgraph_varpool_nodes): Export.
5980 (decide_is_variable_needed): Ignored "used" attribute in
5981 unit-at-a-time mode.
5982 * cgraph.h (cgraph_varpool_nodes): Declare.
5983 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5984 unit-at-a-time mode.
5986 2006-07-23 Roger Sayle <roger@eyesopen.com>
5989 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5990 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5991 the __gthrw form of thr_keycreate.
5992 (__gthread_key_delete): Silence the unused argument warning.
5994 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5997 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5998 Cache the last found '\0' marker to avoid quadratic behavior.
6000 2006-07-23 Jan Hubicka <jh@suse.cz>
6002 * i386.md (subsi_3_zext): Fix output template.
6004 2006-07-21 Mike Stump <mrs@apple.com>
6006 * doc/invoke.texi (C++ Dialect Options): Note that
6007 -fvisibility-inlines-hidden doesn't affect explicitly
6008 instantiationed inline methods.
6010 2006-07-20 Roger Sayle <roger@eyesopen.com>
6012 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6013 if the target assembler is GNU binutils' gas.
6014 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6015 whether to pass GNU gas or native as command line options.
6017 2006-07-20 Jason Merrill <jason@redhat.com>
6019 * tree.c (remove_attribute): New fn.
6020 * tree.h: Declare it.
6022 2006-07-20 Paul Brook <paul@codesourcery.com>
6025 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6026 they are invalidated by this instruction.
6028 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6031 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6033 2006-07-20 Eric Christopher <echristo@apple.com>
6036 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6038 2006-07-19 Eric Christopher <echristo@apple.com>
6040 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6041 Rewrite dependencies for libgcc_s.1.dylib.
6043 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6045 * except.c (duplicate_eh_regions_1): Clear next_peer.
6047 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6049 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6050 -mlongcall does not guarantee all calls will be long.
6051 * doc/extend.texi (long_call/short_call): Document that longcall
6052 does not guarantee a long call will be used.
6053 (longcall/shortcall): Likewise.
6055 2006-07-18 Roger Sayle <roger@eyesopen.com>
6058 * expmed.c (expand_shift): Additionally check that the shift_cost
6059 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6060 before implementing a LSHIFT_EXPR as a sequence of additions.
6061 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6062 middle-end that DImode shifts need to be synthesized by expand.
6064 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6067 * tree-ssa-operands.c (access_can_touch_variable): Update
6069 Return true if ALIAS is .GLOBAL_VAR.
6071 2006-07-18 David Daney <ddaney@avtrex.com>
6073 * gcc.c (display_help): Fix typo in help text.
6075 2006-07-18 Olivier Hainque <hainque@adacore.com>
6077 * tree.h (categorize_ctor_elements): Adjust prototype and add
6078 descriptive comment, both in accordance with the interface change
6080 * varasm.c (constructor_static_from_elts_p): New function.
6081 Whether a constructor node is a valid static constant initializer
6082 if all its elements are.
6083 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6084 * output.h: Declare it.
6085 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6086 is a valid constant initializer instead of computing the number of
6087 non-constant elements. Use constructor_static_from_elts_p for this
6088 purpose. Replace the head comment with an indication that this is a
6089 helper for categorize_ctor_elements.
6090 (categorize_ctor_elements): Same interface change as for the _1
6091 helper. Former head comment from this helper moved here, adjusted to
6092 account for the interface changes.
6093 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6094 (all_zeros_p): Likewise.
6095 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6096 static versions of the constructor from the categorize_ctor_elements
6097 return value instead of the formerly computed number of non-constant
6100 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6102 * configure: Regenerate.
6103 * Makefile.in (build_libsubdir): New configure substitution
6104 (build_libobjdir): New variable.
6105 (BUILD_LIBIBERTY): Use it.
6107 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6110 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6112 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6115 * c-common.c (handle_weakref_attribute): Ignore attribute in
6116 the same conditions the alias attribute is ignored.
6118 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6120 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6121 (dbxout_begin_prologue): Increment scope_labelno.
6123 2006-07-17 Richard Henderson <rth@redhat.com>
6126 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6129 2006-07-17 Roger Sayle <roger@eyesopen.com>
6130 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6132 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6133 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6134 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6135 functions such as sbrk, write, etc.. Add function prototypes.
6136 Convert function declarations from K&R to ISO C. Cast pointers
6137 to "long" and "unsigned long" instead of "int" and "unsigned int".
6138 Convert tokens following #endif into comments.
6140 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6142 * invoke.texi: Remove mention of f77; Reformat table for
6143 inline parameter options correctly; mention that -malign-double
6144 is default on x86-64 targets.
6146 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6148 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6149 (convert_affine_scev, chrec_convert_aggressive): Use
6150 avoid_arithmetics_in_type_p. Do not check for the subtypes
6153 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6156 * optabs.c (expand_doubleword_shift): Wrap the call to
6157 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6159 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6162 * optabs.c (expand_binop): Pass next_methods rather than methods
6163 to expand_doubleword_shift.
6165 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6168 * tree.h (dump_addr): Declare.
6169 * print-tree.c (dump_addr): New function.
6170 (print_node_brief, print_node): Use it.
6171 * print-rtl.c (print_rtx): Likewise.
6172 * common.opt (-fdump-noaddr): New option.
6173 * doc/invoke.texi (-fdump-noaddr): Document.
6174 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6175 (ve_info_hash): Likewise.
6177 2006-07-13 Andrew Haley <aph@redhat.com>
6179 PR tree-optimization/19505
6180 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6181 edge leaving this block, make sure that the destination of this
6182 block has only one predecessor.
6184 2006-07-17 Richard Guenther <rguenther@suse.de>
6186 PR tree-optimization/28238
6187 * tree-inline.c (copy_bb): Check if we produced valid
6188 gimple copying and substituting a stmt. If not, gimplify
6191 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6193 * optabs.c (maybe_encapsulate_block): New function extracted from...
6194 (emit_libcall_block): ...here. Invoke it on the block of insns to
6195 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6196 (emit_no_conflict_block): Likewise.
6198 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6200 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6202 2006-07-15 Roger Sayle <roger@eyesopen.com>
6204 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6205 a new NOP_EXPR case of the switch statement.
6207 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6210 * stor-layout.c (place_field): Take the bit field with
6211 an excessive size into account in the ms-bitfiled case.
6214 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6215 the previous bit field.
6217 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6220 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6222 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6224 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6225 signal frames correctly even when the signal was installed with
6228 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6230 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6231 (dbxout_function_end): Use local label LFBB. Remove hook
6233 (dbxout_source_line): Use local label LFBB.
6234 (dbxout_block): Likewise.
6235 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6236 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6237 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6238 and DBX_OUTPUT_NFUN.
6240 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6242 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6244 2006-07-13 Jan Hubicka <jh@suse.cz>
6246 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6248 * output.h (align_variable): Declare.
6249 * varasm.c (align_variable): Export.
6250 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6251 when basic block changed.
6253 2006-07-13 Nick Clifton <nickc@redhat.com>
6255 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6256 walking the LOG_LINKS chain.
6258 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6260 * doc/invoke.texi (C++ Dialect Options): Explain difference
6261 between -fvisibility-inlines-hidden and setting hidden
6262 visibility explicitly.
6264 2006-07-12 Eric Christopher <echristo@apple.com>
6266 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6267 (stmp-lipo): Depend on libgcc.a.
6269 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6271 * tree.c: Fix a comment typo.
6273 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6275 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6277 (umulhisi3_r): Likewise.
6279 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6282 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6283 x < 19, vs wchar_t support.
6285 2006-07-12 Nick Clifton <nickc@redhat.com>
6287 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6288 instead of -isa=sh4.
6290 2006-07-12 Mike Stump <mrs@apple.com>
6292 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6294 2006-07-10 Eric Christopher <echristo@apple.com>
6296 * config/t-slibgcc-darwin: Rewrite.
6298 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6301 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6304 2006-07-08 Matthias Klose <doko@debian.org>
6306 * doc/sourcebuild.texi: Fix typo.
6308 2006-07-07 Mike Stump <mrs@apple.com>
6310 * toplev.c (process_options): Don't give -ffunction-sections may
6311 affect debugging warning for Mach-O.
6313 2006-07-07 James E Wilson <wilson@specifix.com>
6315 * config/mips/mips.md (cpu): Add sb1a.
6316 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6317 addition to sb1. Adjust comments to clarify SB-1A differences from
6319 (ir_sb1a_load): New. Modify bypasses to use it.
6320 (ir_sb1a_simple_alu): Likewise.
6321 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6322 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6323 (mips_issue_rate): Add PROCESSOR_SB1A.
6324 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6325 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6326 (TARGET_SB1): Add PROCESSOR_SB1A check.
6327 (TUNE_SB1): Likewise.
6329 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6330 * config/mips/mips.c (mips_store_data_bypass_p): New.
6331 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6332 store_data_bypass_p.
6334 2006-07-08 Paul Brook <paul@codesourcery.com>
6337 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6339 2006-07-07 Richard Guenther <rguenther@suse.de>
6342 * tree.h (build_one_cst): Declare.
6343 * tree.c (build_one_cst): New function.
6344 * tree-ssa-math-opts.c (get_constant_one): Remove.
6345 (insert_reciprocals): Use build_one_cst.
6346 * fold-const.c (fold_plusminus_mult): Likewise.
6348 2006-07-07 Roger Sayle <roger@eyesopen.com>
6350 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6351 * cfgloopanal.c (dump_graph): Likewise.
6352 * dojump.c (discard_pending_stack_adjust): Likewise.
6353 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6355 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6356 * function.c (finalize_block_changes): Likewise.
6357 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6358 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6359 * rtl.c (dump_rtx_statistics): Likewise.
6360 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6362 * varray.c (dump_varray_statistics): Likewise.
6363 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6364 decode_decimal64, encode_decimal128, decode_decimal128,
6365 decimal_real_to_decimal): Likewise.
6367 2006-07-07 Richard Guenther <rguenther@suse.de>
6369 PR tree-optimization/28187
6370 * tree-vrp.c (vrp_operand_equal_p): New function.
6371 (vrp_bitmap_equal_p): Likewise.
6372 (update_value_range): Use them to compare old and new
6375 2006-07-06 Roger Sayle <roger@eyesopen.com>
6377 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6378 a default case to switch statement to silence compiler warnings.
6380 2006-07-06 Roger Sayle <roger@eyesopen.com>
6383 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6384 the configured assembler supports the x87's ffreep mnemonic.
6385 * configure: Regenerate.
6386 * config.in: Regenerate.
6388 * config/i386/i386.c (output_387_ffreep): New function.
6389 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6390 (output_387_reg_move): Likewise.
6392 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6394 Port to hosts whose 'sort' and 'tail' implementations
6395 treat operands with leading '+' as file names, as POSIX
6396 has required since 2001. However, make sure the code still
6397 works on pre-POSIX hosts.
6398 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6399 which says you should use "tail -c +N" rather than "tail +Nc".
6400 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6402 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6404 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6407 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6410 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6411 PRE_{INC,DEC} of TFmode.
6413 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6414 Alan Modra <amodra@bigpond.net.au>
6417 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6420 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6423 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6424 Remove duplicate gtu.
6426 2006-07-05 Jason Merrill <jason@redhat.com>
6430 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6431 * c-common.c (handle_packed_attribute): So don't copy it here.
6432 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6434 2006-07-05 Mike Stump <mrs@apple.com>
6436 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6438 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6441 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6443 2006-07-05 Richard Guenther <rguenther@suse.de>
6446 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6447 TARGET_SSE2 targets if using SSE math.
6448 (*absdf2_1): Likewise.
6450 2006-07-05 Richard Guenther <rguenther@suse.de>
6452 PR tree-optimization/28162
6453 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6454 make sure to convert the operands to the correct type.
6456 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6458 PR tree-optimization/28218
6460 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6461 to calculate and free the dominator information.
6463 2006-07-04 Peter O'Gorman <peter@pogma.com>
6465 * mklibgcc.in: chmod 644 before ranlib during install.
6467 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6468 J"orn Rennecke <joern.rennecke@st.com>
6470 * configure.ac (.eh_frame data check): Use diff -b.
6472 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6475 * Makefile.in (BUILD_RTL): Add build/vec.o.
6476 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6477 (build/genextract): Delete.
6478 (build/genautomata): Likewise.
6480 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6483 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6484 128-bit IBM long doubles for ABI_V4.
6486 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6488 * tree.c (range_in_array_bounds_p): New predicate.
6489 * tree.h (range_in_array_bounds_p): Declare it.
6490 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6491 return a less conservative answer.
6492 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6493 and flag 'is_group'.
6494 (IS_ELEMENT_FOR_GROUP): New macro.
6495 (FOR_EACH_ACTUAL_CHILD): Likewise.
6496 (next_child_for_group): New helper function.
6497 (can_completely_scalarize_p): Take into account groups.
6498 (sra_hash_tree): Handle RANGE_EXPR.
6499 (sra_elt_eq): Likewise.
6500 (lookup_element): Be prepared for handling groups.
6501 (is_valid_const_index): Delete.
6502 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6503 instead of is_valid_const_index.
6504 <ARRAY_RANGE_REF>: New case.
6505 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6506 is_valid_const_index.
6507 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6508 (scan_dump): Dump info for groups too.
6509 (decide_instantiation_1): Likewise.
6510 (decide_block_copy): Assert that the element is not a group.
6511 Propagate decision to groups.
6512 (generate_one_element_ref): Handle RANGE_EXPR.
6513 (mark_no_warning): Iterate over actual childs.
6514 (generate_copy_inout): Likewise.
6515 (generate_element_copy): Likewise.
6516 (generate_element_zero): Likewise.
6517 (generate_element_init_1): Likewise.
6518 (dump_sra_elt_name): Handle RANGE_EXPR.
6520 2006-07-03 Roger Sayle <roger@eyesopen.com>
6522 PR tree-optimization/26251
6523 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6524 (thread_block): When optimizing for size refuse to thread jumps
6525 that would require duplication of blocks other than redirection
6528 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6530 * configure.ac: Fix thinko in previous check-in.
6531 * configure: Regenerate.
6533 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6536 * configure.ac (for lang...): Simplify nesting of conditionals.
6537 Test subdir_requires for non-enabled languages. Move processing
6538 of lang_opt_files and lang_tree_fiels below that test.
6539 * configure: Regenerate.
6540 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6542 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6544 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6546 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6548 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6551 2006-06-29 Jason Merrill <jason@redhat.com>
6558 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6559 * c-common.c (c_determine_visibility): Handle it here.
6560 * c-decl.c (finish_decl): Call c_determine_visibility for
6562 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6564 * varasm.c (default_assemble_visibility): Likewise.
6565 * c-common.c (handle_visibility_attribute): Complain about trying
6566 to give visibility to an already defined class, or trying to change
6567 declared visibility. Always attach the attribute.
6572 * attribs.c (decl_attributes): Ignore type-in-place attributes
6573 once the type has been defined.
6575 2006-06-29 Roger Sayle <roger@eyesopen.com>
6578 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6579 to indicate the cpplib has issued an error message for us.
6581 2006-06-29 Asher Langton <langton2@llnl.gov>
6584 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6585 insert a label at the end of an function under Mach-O.
6587 2006-06-29 Eric Christopher <echristo@apple.com>
6588 Evan Cheng <evan.cheng@apple.com>
6590 * predicates.md (vector_all_ones_operand): New.
6591 (nonimmediate_or_sse_const_operand): Ditto.
6592 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6593 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6594 (standard_sse_mode_p): Ditto.
6595 (standard_sse_constant_p): Add case for -1 vector.
6596 (ix86_expand_vector_move): Try to use.
6597 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6598 Call standard_sse_constant_opcode.
6599 (*movv4sf_internal): Ditto.
6600 (*movv2df_internal): Ditto.
6602 2006-06-29 Roger Sayle <roger@eyesopen.com>
6604 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6605 of XEXP to extract the operands of a MATCH_CODE rtx.
6607 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6609 * tree.c (tree_size): Do not waste tail padding in
6610 struct tree_string and make the size be the same as
6611 build_string will generate.
6613 2006-06-28 Jason Merrill <jason@redhat.com>
6616 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6617 may_aliases already in the tag's annotations to the bitmap.
6619 2006-06-28 Roger Sayle <roger@eyesopen.com>
6621 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6623 2006-06-28 Roger Sayle <roger@eyesopen.com>
6625 * genpreds.c (generate_switch_p): New function.
6626 (add_mode_tests): Push the new mode test down inside an AND expr
6627 if this allows the switch-suitable MATCH_CODE to be near the root.
6628 (write_match_code_switch): New function to write a MATCH_CODE as
6630 (write_predicate_stmts): New function to write a predicate RTX
6631 expression as a sequence of statements.
6632 (write_one_predicate_function): Use write_predicate_stmts.
6633 (write_tm_constrs_h): Likewise.
6635 2006-06-26 Fred Fish <fnf@specifix.com>
6637 * config/mips/t-sb1: New file.
6638 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6641 2006-06-26 DJ Delorie <dj@redhat.com>
6643 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6645 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6646 Jayant Sonar <jayants@kpitcummins.com>
6647 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6649 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6650 (subsi3, subsi3_1, subsi3_2): New.
6651 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6652 * config/m32c/mov.md (SI mov peephole): New.
6653 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6654 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6656 2006-06-26 Olivier Hainque <hainque@adacore.com>
6658 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6659 a CALL_EXPR target function declaration.
6661 2006-06-26 Richard Guenther <rguenther@suse.de>
6663 * tree.c (build_string): Do not waste tail padding in
6666 2006-06-26 Richard Guenther <rguenther@suse.de>
6668 * ggc-page.c (init_ggc): Add missing element to size_lookup
6672 2006-06-23 Richard Guenther <rguenther@suse.de>
6674 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6675 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6676 alignment requests instead. Add verification code.
6677 Add struct tree_function_decl and struct tree_binfo size to
6678 extra_order_size_table. Add missing element to size_lookup
6681 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6684 * fold-const.c (const_binop): Be prepared for self returning zero.
6685 Simplify code handling complex values.
6687 2006-06-24 Olivier Hainque <hainque@adacore.com>
6689 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6690 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6693 2006-06-24 Olivier Hainque <hainque@adacore.com>
6695 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6696 ARRAY_REF, so have the callback called for the low bound expression.
6698 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6700 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6701 * c-typeck.c (c_common_type): Disallow operations on decimal float
6702 types and other float types.
6703 * convert.c (convert_to_real): Don't ignore conversions involving
6704 decimal float types.
6706 2006-06-23 Olivier Hainque <hainque@adacore.com>
6708 * tree.c (max_int_size_in_bytes): New function, inspired from
6709 code in function.c:assign_temp.
6710 * tree.h (max_int_size_in_bytes): Declare.
6711 * function.c (assign_temp): Use it.
6712 * gimplify.c (create_tmp_var): Relax the assertions on the type
6713 properties, not mandating constant size any more.
6714 (force_constant_size): New static function.
6715 (gimple_add_tmp_var): Use it, forcing variable size to a
6716 constant upper bound if it is not constant on entry.
6718 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6721 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6722 for initialization and setting of one_only flag to ...
6723 (i386_pe_encode_section_info): ...here.
6724 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6725 Recheck that the symbol has not been defined.
6727 2006-06-23 Richard Guenther <rguenther@suse.de>
6729 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6730 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6731 alignment requests instead. Add verification code.
6732 Add struct tree_function_decl and struct tree_binfo size to
6733 extra_order_size_table. Add missing element to size_lookup
6736 2006-06-22 Roger Sayle <roger@eyesopen.com>
6737 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6740 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6741 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6743 2006-06-23 Ben Elliston <bje@au.ibm.com>
6745 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6746 negate dn -- manipulate it directly.
6748 2006-06-22 Roger Sayle <roger@eyesopen.com>
6749 Steven Bosscher <stevenb.gcc@gmail.com>
6752 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6753 generated by gen_move_insn to add REG_LABEL notes if necessary.
6755 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6757 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6758 (leaf_entry): Remove use of MIN_ESA.
6760 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6762 PR rtl-optimization/28121
6763 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6766 2006-06-21 DJ Delorie <dj@redhat.com>
6768 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6770 (mulhisi3_r): Likewise.
6772 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6775 * coverage.c (coverage_counter_alloc): Leave the index type
6777 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6780 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6782 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6783 section from the "Options for Code Generation Conventions".
6785 2006-06-21 Richard Henderson <rth@redhat.com>
6789 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6791 (global_symbolic_operand): Allow weak symbols, even if local_p.
6793 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6795 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6796 (find_interesting_uses_address): Punt if above function returns true.
6798 2006-06-21 Richard Guenther <rguenther@suse.de>
6800 * configure: Regenerated.
6802 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6804 * config/mips/mips.c (function_arg): Where one part of a
6805 complex argument is in registers and the other part in the stack,
6806 return a REG not a PARALLEL.
6808 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6810 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6811 when cross-compiling. Do not substitute libstdcxx_incdir.
6812 * configure: Regenerated.
6814 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6816 * varasm.c (mergeable_string_section): Check for embedded NULs and
6817 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6818 rather than TREE_STRING_LENGTH bytes.
6820 2006-06-21 Richard Guenther <rguenther@suse.de>
6822 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6823 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6826 2006-06-21 Richrad Guenther <rguenther@suse.de>
6828 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6829 Limit iteration over the dominators.
6831 2006-06-20 Roger Sayle <roger@eyesopen.com>
6833 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6834 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6836 2006-06-20 Richard Guenther <rguenther@suse.de>
6837 Michael Matz <matz@suse.de>
6839 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6841 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6842 * et-forest.h (et_free_pools): Prototype new function.
6843 * et-forest.c (et_free_tree_force): Free parent occurrence.
6844 (et_free_pools): New function.
6845 * dominance.c (free_dominance_info): Free et-forest alloc
6848 2006-06-20 Roger Sayle <roger@eyesopen.com>
6850 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6851 integer modes, attempt to directly construct an integer constant.
6853 * fold-const.c (native_encode_vector): Determine the size of each
6854 element from the vector type instead of the first vector element.
6856 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6857 if all of its elements/components are constant.
6858 (build_constructor_from_list): Likewise.
6860 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6862 PR tree-optimization/27331
6863 * tree-data-ref.c (free_data_ref): New function.
6864 (create_data_ref): Fail if the data reference has unknown access
6866 (free_data_refs): Use free_data_ref.
6868 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6871 * tree-inline.c (setup_one_parameter): Strip useless
6872 type conversion before adding it to the IR.
6873 (declare_return_variable): Likewise.
6875 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6878 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6880 2006-06-19 Mike Stump <mrs@apple.com>
6882 * tree.c (variably_modified_type_p): VM arguments don't make the
6885 2006-06-19 Richard Guenther <rguenther@suse.de>
6887 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6888 type conversions after folding.
6890 2006-06-19 Richard Guenther <rguenther@suse.de>
6892 * ggc-page.c (extra_order_size_tab): Add entries with
6893 size of struct function and basic_block.
6894 (size_lookup): Extend to cover sizes up to 511.
6895 (ggc_alloc_stat): Adjust user.
6896 (ggc_pch_count_object): Likewise.
6897 (ggc_pch_alloc_object): Likewise.
6898 (ggc_pch_write_object): Likewise.
6900 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6902 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6903 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6906 2006-06-19 Denis Chertykov <denisc@overta.ru>
6908 * config/avr/libgcc.S : Correct my wrong previous commit.
6910 2006-06-19 Roger Sayle <roger@eyesopen.com>
6913 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6914 have stripped a SUBREG from the shift count, so we may need to
6915 convert_to_mode back to the type's mode before calling make_tree.
6916 Use new_amount instead of amount to avoid expanding a tree twice.
6918 2006-06-19 Richard Guenther <rguenther@suse.de>
6921 * fold-const.c (operand_equal_p): Check if the argument types
6922 have the same precision before stripping NOPs.
6924 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6926 Fix PR tree-optimization/27341
6927 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6929 * tree-complex.c (pass_lower_complex): Update SMT usage.
6931 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6933 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6934 Add a new alternative to the constraint strings. Add move of
6935 operand 1 to 3 to the splitter definition.
6936 ("doloop_si_long"): Second contraint alternative removed.
6938 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6940 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6941 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6943 (AVR_HAVE_MOVW) Define.
6944 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6945 (ASM_SPEC): Add avr25.
6946 (LINK_SPEC): Add avr25.
6947 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6948 (base_arch_s): Add new member 'have_movw_lpmx'.
6949 (avr_arch_types): Init 'have_movw_lpmx'.
6950 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6951 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6952 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6953 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6954 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6956 (avr_file_start): Do not output '.arh' derective.
6957 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6958 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6959 * config/avr/avr.md (mcu_enhanced): Delete.
6960 (mcu_have_movw): Define.
6961 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6962 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6963 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6964 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6965 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6966 attiny861 and at86rf401 devices.
6968 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6970 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6973 2006-06-17 Karl Berry <karl@gnu.org>
6975 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6976 doc/gccint.texi, doc/install.texi (@dircategory): Use
6977 "Software development" instead of "Programming", following
6978 the Free Software Directory.
6980 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6982 * config/i386/i386.c (legitimate_tls_address)
6983 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6984 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6985 (*tls_dynamic_gnu2_combine_64): Likewise.
6987 2006-06-16 Richard Guenther <rguenther@suse.de>
6990 * fold-const.c (negate_expr_p): Do not introduce undefined
6991 overflow in negating INTEGER_CSTs.
6992 (fold_negate_expr): Rename from negate_expr. Revert last
6993 change for folding BIT_NOT_EXPR. Change semantics to
6994 return NULL_TREE for non-simplified negations. Do not
6995 strip type conversions and unify type handling.
6996 (negate_expr): New function, wrap around fold_negate_expr
6997 but ensure building a tree always. Strip type conversions
6998 here, fold to result type.
6999 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7001 2006-06-16 Roger Sayle <roger@eyesopen.com>
7004 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7005 that (would) return their results in stack registers.
7007 2006-06-16 Michael Matz <matz@suse.de>
7008 Richard Guenther <rguenther@suse.de>
7010 * fold-const.c (fold_truthop): Only return new tree node if
7011 we canonicalized something.
7013 2006-06-16 Richard Guenther <rguenther@suse.de>
7015 * function.h (enum function_frequency): Move declaration
7016 out of struct function.
7017 (struct function): Move bool fields and the enum to the bitfield
7018 section. Reorder elements to avoid padding. Remove unused
7019 fields left over from the RTL inliner removal.
7020 * function.c (free_after_compilation): Do not zero removed fields.
7021 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7022 (ipa-type-escape.o): Likewise.
7024 2006-06-16 Richard Guenther <rguenther@suse.de>
7026 * cgraph.h (struct cgraph_local_info): Turn bool elements
7028 (struct cgraph_node): Likewise.
7029 (struct cgraph_varpool_node): Likewise.
7031 2006-06-15 Richard Guenther <rguenther@suse.de>
7033 * fold-const.c (fold_truth_not_expr): Rename from
7034 invert_truthvalue. Give it fold_* semantics to avoid
7036 (invert_truthvalue): New function. Wrapper around
7037 fold_truth_not_expr.
7038 (optimize_minmax_comparison): Avoid creating garbage.
7039 (fold_unary): Use fold_truth_not_expr for folding
7041 (fold_ternary): Replace uses of invert_truthvalue with
7042 fold_truth_not_expr where applicable.
7043 * tree.h (fold_truth_not_expr): Prototype.
7045 2006-06-16 Richard Guenther <rguenther@suse.de>
7047 PR tree-optimization/27781
7048 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7049 * ipa-pure-const.c (target.h): Include.
7050 (analyze_function): Do not analyze functions that do not
7053 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7056 * tree-dfa.c (referenced_vars_dup_list): Remove.
7057 (find_referenced_vars): Remove assert.
7058 (referenced_var_check_and_insert): Replace dup list with assert.
7059 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7060 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7062 2006-06-15 Richard Guenther <rguenther@suse.de>
7064 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7065 extra unused identifiers if not dumping.
7066 (create_variable_info_for): Likewise.
7068 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7070 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7071 (derive_constant_upper_bound): Derive more precise upper bound in
7072 common cases. Return type changed to double_int.
7073 (record_estimate): Reflect the changed return type of
7074 derive_constant_upper_bound.
7075 * double-int.c (double_int_zext, double_int_sext): Fix.
7077 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7079 * configure.ac (CFLAGS): Get them from the toplevel or from the
7080 configure invocation.
7081 * configure: Regenerate.
7082 * Makefile.in (CFLAGS): Substitute value provided by configure.
7084 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7087 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7088 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7089 rather than calling add_stmt on it.
7090 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7092 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7095 * reload1.c (reload): Remove registers returned by update_eliminables
7096 from used_spill_regs.
7098 2006-06-13 DJ Delorie <dj@redhat.com>
7100 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7102 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7104 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7105 html__strip_dir, html__mkdir_p. Enhance install-html target.
7106 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7107 * configure: Regenerate.
7109 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7111 * fold-const.c (fold_cond_expr_with_comparison): Check for
7112 Objective-C++ as language in deciding COND_EXPR transformation.
7114 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7117 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7118 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7119 * config/sh/lib1funcs.h (SL, SL1): Define.
7120 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7121 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7122 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7123 (OBJS_Os_4_200): New variable.
7124 ($(T)libgcc-Os-4-200.a): Use it.
7125 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7126 when dividing 1 and/or by 0.
7128 2006-06-13 Roger Sayle <roger@eyesopen.com>
7130 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7131 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7132 * configure: Regenerate.
7134 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7136 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7137 for real instruction.
7139 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7142 * haifa-sched.c (check_cfg): Handle special case.
7144 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7147 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7148 Add debug_info parameter. Chain the vars to the BLOCK instead
7149 of the BIND_EXPR if debug info are requested for them.
7150 (pop_gimplify_context): Adjust for above change.
7151 (gimple_add_tmp_var): Likewise.
7152 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7154 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7155 (convert_local_reference): Likewise.
7156 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7157 (finalize_nesting_tree_1): Request that debug info be emitted
7158 for debug_var_chain.
7160 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7162 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7163 for PR target/27863.
7165 2006-06-13 Richard Guenther <rguenther@suse.de>
7168 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7170 2006-06-13 Richard Guenther <rguenther@suse.de>
7172 PR tree-optimization/27830
7173 * tree-inline.c (copy_body_r): For copying the operand
7174 of an ADDR_EXPR make sure to fold &* afterwards.
7176 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7178 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7179 lvalues in the fb_none case with side-effects.
7181 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7183 * tree-flow.h: Remove the prototype for
7184 compute_phi_arg_on_exit.
7185 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7186 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7189 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7191 * builtins.c (expand_builtin_return_addr): Only use
7192 frame_pointer_rtx when count == 0 and we are expanding
7193 __builtin_return_address.
7195 2006-06-12 Fred Fish <fnf@specifix.com>
7197 * config/mips/mips.c (mips_file_start): Create special section
7198 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7200 2006-06-11 Eric Christopher <echristo@apple.com>
7203 * stor-layout.c (place_field): Remove check for
7204 remaining_in_alignment when aligning at the end of a run.
7206 2006-06-11 Eric Christopher <echristo@apple.com>
7209 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7212 2006-06-11 Roger Sayle <roger@eyesopen.com>
7215 Revert incorrect fix for PR target/27158
7216 2006-05-08 Roger Sayle <roger@eyesopen.com>
7217 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7218 of a reg_equiv_constant if the result is a legitimate constant.
7220 2006-06-11 Roger Sayle <roger@eyesopen.com>
7223 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7224 extract a CONST_VECTOR element and interpret it as an integer.
7225 (vspltis_constant): Use const_vector_elt_as_int instead of the
7226 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7227 * config/rs6000/predicates.md (easy_vector_const): Consider
7228 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7230 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7233 * stor-layout.c (update_alignment_for_field): Don't add extra
7234 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7237 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7239 * config/mips/t-rtems: Add EL/EB multilib variants.
7241 2006-06-09 Mike Stump <mrs@apple.com>
7243 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7245 2006-06-09 David Daney <ddaney@avtrex.com>
7247 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7249 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7251 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7253 2006-06-09 Richard Guenther <rguenther@suse.de>
7255 PR tree-optimization/26998
7256 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7257 of signed types, only TYPE_MIN_VALUE is special, but for both,
7258 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7259 in this case, as is -fwrapv.
7261 2006-06-08 Mike Stump <mrs@apple.com>
7264 * config/darwin.c (darwin_asm_output_anchor): Disable
7265 -fsection-anchors on darwin for now.
7266 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7267 * rs6000/rs6000.c (optimization_options): Likewise.
7269 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7272 * config/i386/i386.c (classify_argument): Skip fields with invalid
7275 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7277 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7278 (cse_insn): Likewise for the stack_pointer_rtx.
7280 2006-06-08 Roger Sayle <roger@eyesopen.com>
7282 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7283 conditions from floating point comparisons.
7285 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7288 * expmed.c (struct alg_hash_entry): Fix type of field T
7289 to match synth_mult argument.
7290 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7292 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7295 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7298 2006-06-08 Richard Guenther <rguenther@suse.de>
7301 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7302 only, if overflow is defined and not trapping.
7303 (negate_expr): Likewise.
7305 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7307 PR tree-optimization/27872
7308 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7309 flag on the new exit edge of the unrolled loop.
7311 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7313 PR rtl-optimization/26449
7314 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7316 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7319 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7320 referenced_variables with matching DECL_UID's.
7321 (find_referenced_vars): Make sure duplicate list is empty to start.
7322 (referenced_var_p): Remove.
7323 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7324 Check if var is in the list, and add if needed. Update the duplicate
7325 list if a different var is in the list with the same DECL_UID.
7326 (add_referenced_var): Call routine to check and insert.
7327 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7328 * tree-flow.h (referenced_vars_dup_list): External declaration.
7330 2006-06-07 Fred Fish <fnf@specifix.com>
7332 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7335 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7338 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7339 the imaginary and real parts of a clobbered register.
7340 Emit insn to set the imaginary part.
7342 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7344 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7345 in lieu of unwind-dw2-fde.c.
7347 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7349 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7351 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7354 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7355 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7356 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7357 V4SImode temporaries and operations instead.
7359 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7361 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7364 2006-06-06 Mike Stump <mrs@apple.com>
7366 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7367 installing during build.
7369 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7371 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7373 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7374 * config/ia64/ia64.c (params.h): New header.
7375 (ia64_optimization_options): New function to adjust parameters.
7376 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7377 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7378 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7380 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7382 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7384 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7387 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7389 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7390 Victor Kaplansky <victork@il.ibm.com>
7392 PR tree-optimization/26360
7393 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7396 2006-06-04 Roger Sayle <roger@eyesopen.com>
7397 Andrew Pinski <pinskia@physics.uc.edu>
7400 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7401 for LABEL_DECL before calling DECL_WEAK.
7404 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7405 LABEL_DECL and PARM_DECL.
7407 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7411 * c-decl.c (grokdeclarator): Disallow variably modified types at
7412 file scope. Avoid marking shared array type of constant size as
7415 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7418 * c-common.c (fold_offsetof_1): Handle static members.
7420 2006-06-04 Eric Christopher <echristo@apple.com>
7422 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7423 (debug_rli): Output value for remaining_in_alignment.
7424 (update_alignment_for_field): Unconditionalize
7425 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7426 extra alignment code.
7427 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7428 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7429 * tree.h (record_layout_info_s): Remove prev_packed.
7430 * doc/extend.texi (ms_struct): Add documentation of format.
7432 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7434 * tree.h: Declare folding_initializer.
7435 * builtins.c (fold_builtin_constant_p): Give definite answer
7436 if folding inside an initializer.
7437 * fold-const.c: Define folding_initializer.
7438 (START_FOLD_INIT): Save and then set folding_initializer.
7439 (END_FOLD_INIT): Restore folding_initializer.
7441 2006-06-04 Richard Guenther <rguenther@suse.de>
7443 PR tree-optimization/27039
7444 * fold-const.c (fold_comparison): Handle pointer comparison
7445 again for all comparison codes. Compare offsets in signed
7447 (fold_binary): Move code from here.
7449 2006-06-03 Roger Sayle <roger@eyesopen.com>
7452 * config/i386/i386.c (construct_container): Split static issued_error
7453 flag into issued_sse_arg_error, issued_sse_ret_error and
7454 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7455 requires the use of x87 registers and the user explicitly
7456 specified the -mno-80387 command line option.
7458 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7460 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7461 HAVE_DECL_SIGALTSTACK.
7463 (segv_handler): Use MC_FLD.
7464 * configure.ac: Check for a sigaltstack declaration.
7465 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7466 * configure: Regenerate.
7467 * config.in: Regenerate.
7469 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7472 * Makefile.in (stmp-fixinc): Fix typo.
7474 2006-06-02 Roger Sayle <roger@eyesopen.com>
7476 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7477 are type correct. Clean-up.
7478 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7479 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7481 2006-06-01 DJ Delorie <dj@redhat.com>
7483 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7484 shift, as we've disabled the "switch" insn that needs it.
7486 2006-06-01 Per Bothner <bothner@bothner.com>
7488 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7489 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7490 * c-ppoutput.c (cb_define): Don't increment line 0.
7492 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7494 * doc/invoke.texi: Add cpu_type power6.
7495 * config.gcc: Add cpu_type power6.
7496 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7497 to power5+ with Altivec.
7498 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7499 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7501 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7503 * config/avr/avr.h (SET_ASM_OP): Define.
7505 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7507 * config/bfin/bfin.c: Fix comment typos.
7509 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7512 * doc/install.texi: Document --enable-bootstrap and
7513 --disable-bootstrap.
7515 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7517 * doc/install.texi: Document that InfoZIP can replace jar.
7519 2006-05-31 Roger Sayle <roger@eyesopen.com>
7521 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7522 isn't available, directly generate the simpler x87 patterns without
7523 the (use (const_int 0)).
7524 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7525 implementation isn't available.
7526 (*negdf2_1): Likewise.
7527 (*negxf2_1): XF mode negation is always done using the x87.
7528 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7530 2006-05-31 Roger Sayle <roger@eyesopen.com>
7532 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7533 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7535 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7537 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7539 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7540 * config/bfin/bfin.c (basic-block.h): Include.
7541 (struct machine_function): New.
7542 (bfin_init_machine_status): New.
7543 (override_options): Initialize init_machine_status.
7544 (bfin_hardware_loop): New.
7545 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7546 (DEF_VEC_P (loop_info)): New.
7547 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7548 (struct loop_info): New.
7549 (loop_info): New typedef.
7550 (struct loop_work): New.
7551 (loop_work): New typedef.
7552 (DEF_VEC_O (loop_work)): New.
7553 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7554 (bfin_dump_loops): New.
7555 (bfin_bb_in_loop): New.
7556 (bfin_scan_loop): New.
7557 (bfin_optimize_loop): New.
7558 (bfin_reorg_loops): New.
7559 (bfin_reorg): Use bfin_reorg_loops.
7560 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7562 (I_REGNO_P): Simplify.
7563 (DP_REGNO_P, DPREG_P): New macros.
7564 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7565 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7566 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7567 Add LT_REGS, LC_REGS, LB_REGS.
7568 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7570 (REGNO_REG_CLASS): Deal with loop registers.
7571 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7573 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7574 New constants for loop registers.
7575 (UNSPEC_LSETUP_END): New.
7576 (seq_insns): New define_attr. Set it for appropriate insns.
7577 (movsi_insn): Add alternatives for move from/to
7578 loop count registers.
7579 (doloop_end): New define_expand.
7580 (loop_end): New define_insn.
7581 (define_split for bad doloop_end): New.
7582 (lsetup_with_autoinit): New define_insn.
7583 (lsetup_without_autoinit): New define_insn.
7584 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7585 * config/bfin/predicates.md (lc_register_operand): New.
7586 (lt_register_operand): New.
7587 (lb_register_operand): New.
7588 (nondp_register_operand): New.
7589 (nondp_reg_or_memory_operand): New.
7590 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7592 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7594 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7595 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7597 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7599 * Makefile.in (CATALOGS): Add po/ prefix.
7600 * configure: Regenerated.
7602 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7605 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7606 a shift operand before calling shift_op. Avoid redundant call of
7609 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7610 DJ Delorie <dj@redhat.com>
7612 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7613 we're inserting is a singlt-bit constant.
7615 2006-05-30 Roger Sayle <roger@eyesopen.com>
7617 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7618 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7620 2006-05-30 Roger Sayle <roger@eyesopen.com>
7622 PR tree-optimization/23452
7623 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7624 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7625 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7626 complex values and with -ffast-math for FP complex values.
7628 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7630 * c-common.h: Remove the prototype for yyparse.
7631 * rtl.h: Remove the prototype for init_loop.
7633 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7635 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7638 2006-05-30 Roger Sayle <roger@eyesopen.com>
7640 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7642 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7643 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7645 2006-05-30 Dirk Mueller <dmueller@suse.de>
7648 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7649 for CONSTANT_CLASS_P expresisons.
7651 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7654 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7656 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7658 PR tree-optimization/27779
7659 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7660 initial_condition instead of CHREC_LEFT.
7662 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7664 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7665 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7666 Make prototypes ISO C90.
7668 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7669 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7671 * see.c (see_analyze_one_def): Correct check.
7672 (see_get_extension_data): Check if extension is parallel.
7673 (see_get_extension_reg): Likewise.
7675 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7678 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7679 into register for (code == GTU).
7681 2006-05-29 Roger Sayle <roger@eyesopen.com>
7683 PR tree-optimization/24964
7684 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7685 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7686 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7687 abs(x)*abs(x) as x*x for scalar floating point modes.
7689 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7692 * lambda-code.c (perfect_nestify): Don't copy statements
7693 in the inner loop: move them to the inner loop header.
7695 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7698 * c-tree.texi: Document OpenMP directives and clauses.
7700 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7702 * varasm.c (globalize_decl): Fix indentation.
7704 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7707 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7708 pass_fre, pass_store_ccp, pass_copy_prop,
7709 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7710 pass_return_slot, pass_object_size, pass_lim,
7711 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7712 pass_loop_prefetch and pass_stdarg.
7714 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7716 * config/bfin/bfin.opt (mfdpic): New option.
7717 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7718 (EXTRA_MULTILIB_PARTS): Likewise.
7719 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7720 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7722 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7723 (CRT_CALL_STATIC_FUNCTION): New.
7724 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7726 (CRT_CALL_STATIC_FUNCTION): New.
7727 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7729 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7730 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7731 (initialize_trampoline): Changed to handle FD-PIC code generation.
7732 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7733 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7734 (override_options): Disallow -mid-shared-library -mfdpic combination.
7735 Can't do unaligned ops if FD-PIC.
7736 Turn off flag_pic if trying to generate non-id-shared-library
7737 non-fdpic code, since it's not supported.
7738 (bfin_assemble_integer): New function.
7739 (TARGET_ASM_INTEGER): Define.
7740 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7742 * config/bfin/crtn.s: Restore them.
7743 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7745 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7746 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7747 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7748 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7749 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7751 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7752 FDPIC_REGS and FDPIC_FPTR_REGS.
7753 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7754 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7755 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7756 (load_funcdescsi): New pattern.
7757 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7758 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7759 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7761 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7763 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7766 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7768 * tree-flow.h: Remove the prototype for add_type_alias.
7769 * tree-ssa-alias.c (add_type_alias): Remove.
7771 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7773 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7774 config/fr30/fr30.md, config/i386/i386-interix.h,
7775 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7776 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7777 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7778 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7779 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7780 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7781 Follow spelling conventions.
7782 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7783 Follow spelling conventions.
7785 2006-05-27 Richard Guenther <rguenther@suse.de>
7788 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7789 to produce a constant of value 1 of generic type.
7791 2006-05-27 Dirk Mueller <dmueller@suse.de>
7793 * cgraphunit.c (decide_is_function_needed): Fix wrong
7796 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7798 PR rtl-optimization/27661
7799 * reload.c (find_reloads): When reloading a VOIDmode constant
7800 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7801 use Pmode as mode of the reload register.
7803 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7805 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7806 is enabled at -O and above.
7808 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7811 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7814 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7817 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7818 for anonymous variables explicitly declared by front ends.
7820 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7822 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7823 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7824 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7825 ref-all pointers, run a finalization pass for them.
7826 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7827 (finalize_ref_all_pointers): New function.
7828 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7829 regular pointer type to a ref-all pointer type.
7830 (get_tmt_for): Return the special memory tag for ref-all pointers.
7832 2006-05-25 Richard Guenther <rguenther@suse.de>
7835 * fold-const.c (fold_binary): Do not look at the stripped
7836 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7838 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7840 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7841 for LT and GT if the computed range is effectively empty.
7843 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7846 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7847 mips_quad_format formats instead of ieee_single_format,
7848 ieee_double_format and ieee_quad_format formats, respectively.
7850 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7852 PR tree-optimization/27639
7853 PR tree-optimization/26719
7854 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7855 call to scev_probably_wraps_p.
7856 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7857 used_in_pointer_arithmetic_p, convert_step): Removed.
7858 (nowrap_type_p): New function.
7859 (scev_probably_wraps_p): Rewritten.
7860 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7861 chrec_convert if chrec_convert_aggressive might have been used.
7862 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7863 scev_direction): New functions.
7864 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7865 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7866 instead of convert_step.
7867 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7868 (convert_step): Declaration removed.
7869 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7871 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7873 * df-core.c: Added to header comments.
7874 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7875 df_ur_bb_info, df_urec_bb_info): Added comments.
7876 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7877 urec, ri problems): Fixed header comments.
7878 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7879 code from df_rd_transfer_function.
7881 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7883 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7884 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7885 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7887 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7889 * expr.c (undefined_operand_subword_p): New.
7890 (emit_move_multi_word): Do not generate move from undefined bits
7891 of a paradoxical subreg.
7893 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7895 PR rtl-optimization/27736
7896 * combine.c (replaced_rhs_value): New variable.
7897 (combine_instructions): Set it.
7898 (distribute_notes): When distributing a note in replaced_rhs_insn,
7899 check whether the value was used in replaced_rhs_value.
7901 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7904 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7905 add_referenced_var instead of add_referenced_tmp_var.
7906 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7907 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7909 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7910 tree_optimize_tail_calls_1): Use add_referenced_var.
7911 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7912 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7913 Use add_referenced_var.
7914 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7915 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7916 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7917 Use add_referenced_var.
7918 * tree-dfa.c (struct walk_state): Remove.
7919 (find_referenced_vars): Remove walk state and vars_found hash table.
7920 (make_rename_temp): Use add_referenced_var.
7921 (find_vars_r): Pass less parameters to add_referenced_var.
7922 (referenced_var_p): New. Is var in referenced_var hash table.
7923 (referenced_var_insert): Assert var isn't already in hash table.
7924 (add_referenced_var): Don't need walk_state parameter. Add var if it
7925 isn't already in the hash table.
7926 (add_referenced_tmp_var): Remove.
7927 (find_new_referenced_vars_1): Use add_referenced_var.
7928 * tree-ssa-pre.c (create_expression_by_pieces,
7929 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7930 Use add_referenced_var.
7931 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7932 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7933 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7935 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7936 vect_create_data_ref_ptr, vect_create_destination_var,
7937 vect_init_vector, vect_build_loop_niters,
7938 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7939 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7940 Use add_referenced_var.
7941 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7942 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7943 (add_referenced_var): Add prototype.
7944 * tree-ssa-structalias.c (get_constraint_for,
7945 intra_create_variable_infos): Use add_referenced_var.
7947 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7949 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7950 big-endian paradoxical subregs.
7951 * var-tracking.c (struct micro_operation_def): Document that,
7952 for modify micro operations, insn is the subsequent instruction.
7953 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7954 (var_reg_set, var_mem_set): ... new functions.
7955 (add_stores): Record subsequent insn.
7956 (compute_bb_dataflow): Use new functions for MO_USE.
7957 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7958 notes after the insn, and modify notes before the insn known
7959 to be the subsequent one.
7960 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7962 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7965 * config/i386/i386.c (ix86_expand_builtin): Use
7966 gen_sse3_monitor64 for TARGET_64BIT.
7968 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7970 PR rtl-optimization/26375
7971 PR rtl-optimization/26855
7972 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7974 (df_ru_bb_local_compute): Reversed statements and removed bogus
7975 comment explaining why they should be in wrong order.
7976 (df_ru_dump, df_rd_dump): Enhanced debug info.
7977 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7979 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7980 reaching uses and fixed space problem.
7982 2006-05-23 Jan Hubicka <jh@suse.cz>
7984 * cgraphunit.c (decide_is_function_needed): Also nested functions
7985 and functions declared inline can be optimized out at -O0.
7987 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7989 * doc/install.texi (Configuration): Remove reference to CrossGCC
7993 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7996 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7997 ix86_compare_emitted is non-NULL.
7999 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8002 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8005 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8007 PR rtl-optimization/25514
8008 * combine.c (replaced_rhs_insn): New variable.
8009 (combine_instructions): Set replaced_rhs_insn when trying to replace
8010 a SET_SRC with a REG_EQUAL note.
8011 (distribute_notes): Use replaced_rhs_insn when determining the live
8012 range of a REG_DEAD register.
8014 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8015 Anatoly Sokolov <aesok@post.ru>
8017 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8018 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8019 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8020 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8021 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8022 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8023 at90usb647, at90usb1286 and at90usb1287 devices.
8024 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8025 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8027 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8029 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8031 2006-05-22 Richard Guenther <rguenther@suse.de>
8034 2006-01-31 Richard Guenther <rguenther@suse.de>
8035 Paolo Bonzini <bonzini@gnu.org>
8037 * doc/install.texi (--disable-libgcc-math): Document.
8039 2006-05-22 Richard Guenther <rguenther@suse.de>
8042 2006-01-31 Richard Guenther <rguenther@suse.de>
8044 * doc/invoke.texi (-msselibm): Document.
8045 * target.h (expand_library_builtin): New target hook.
8046 * builtins.c (expand_builtin): Use expand_library_builtin.
8047 (default_expand_library_builtin): New function.
8048 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8049 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8050 (link_gcc_math_spec): Declare.
8051 (static_specs): Add link_gcc_math_spec.
8052 * expr.h (default_expand_library_builtin): Declare.
8053 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8054 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8055 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8056 * config/i386/i386.opt (msselibm): New target option.
8057 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8058 (ix86_init_sse_abi_builtins): New function.
8059 (ix86_expand_library_builtin): Likewise.
8060 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8061 (override_options): Handle error conditions wrt -msselibm.
8062 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8063 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8064 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8067 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8070 * c-common.c (self_promoting_args_p): Skip erroneous args.
8073 * c-decl.c (finish_struct): Skip erroneous fields.
8075 2006-05-22 Nick Clifton <nickc@redhat.com>
8077 * config/cris/cris.opt (march): Remove VarExists attribute.
8078 (max-stackframe=): Likewise.
8080 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8082 * doc/rtl.texi: Fix a typo.
8083 * see.c: Fix comment typos.
8085 * tree-ssa-structalias.h (alias_info): Remove num_references.
8087 2006-05-21 Mike Stump <mrs@apple.com>
8089 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8091 (darwin_pragma_options): Use BAD instead.
8092 (darwin_pragma_unused): Likewise.
8093 (darwin_pragma_ms_struct): Likewise.
8095 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8097 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8099 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8101 PR rtl-optimization/27671
8102 * simplify-rtx.c (simplify_relational_operation_1): Fix
8103 simplifications of (eq/ne (xor x y) y) and
8104 (eq/ne (xor x y) x).
8106 PR tree-optimization/26622.
8107 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8110 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8112 * tree-cfg.c: Prune whitespace.
8113 (debug_tree_cfg): Point to correct header containing the
8116 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8119 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8121 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8124 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8125 or sorry count is non zero.
8127 2006-05-20 Andreas Schwab <schwab@suse.de>
8129 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8131 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8132 Kenneth Zadeck <zadeck@naturalbridge.com>
8134 PR rtl-optimization/26855
8136 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8138 (df_scan_alloc): Added code to properly handle multiword hard
8139 registers and add all_blocks parameter.
8140 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8141 code to properly handle multiword hard registers.
8142 (df_rescan_blocks): Added code to remove deleted blocks from
8144 (df_ref_create_structure, df_ref_record): Added code to properly
8146 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8147 and set DF_REF_PARTIAL.
8148 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8149 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8150 (df_scan_add_problem): Added flags parameter.
8151 (df_ref_create_structure): Changed switching structure.
8152 (df_bb_refs_record): Fixed case where duplicate artificial refs
8153 were created. Changed location of flags.
8154 (df_record_entry_block_defs): Added code to make stack pointer
8155 live in entry block. Refined cases where frame pointer is needed.
8156 Changed location of flags.
8157 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8158 (df_set_state): Removed function.
8159 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8160 df_insn_create_insn_record, df_insn_refs_delete,
8161 df_ref_create_structure): Formatting changes.
8162 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8163 df_delete_basic_block): New function.
8164 (df_init): Changed location of flags.
8165 (df_add_problem): Added flags parameter and the way flags are
8167 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8168 debug_df_chain): Improved debugging output.
8169 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8170 (df_refs_chain_dump): Removed df parameter.
8171 (df_iterative_dataflow): Added consistency check.
8172 (df_prune_to_subcfg): Made public.
8173 (df_analyze_problem): Added blocks_to_init parameter and made
8175 (df_ref_record, df_bb_refs_record, df_mark_reg,
8176 df_record_exit_block_uses): Whitespace changes.
8177 (df_dump): Whitespace changes.
8178 * df.h: Some reordering to remove forward references.
8179 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8180 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8181 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8182 (dataflow.flags): New field.
8183 (df.flag): Deleted field.
8184 (df_alloc_function): Added additional bitmap parameter.
8185 (df_dependent_problem_function): New type.
8186 (df_problem.changeable_flags): New field.
8187 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8188 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8189 (df_mw_hardreg): New struct.
8190 (DF_INSN_UID_MWS): New macro.
8191 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8193 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8194 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8195 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8196 (df_set_state): Removed function.
8197 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8198 * df-problems.c (df_chain_dump): Removed df parameter.
8199 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8200 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8202 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8203 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8204 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8205 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8206 DF_REF_MUST_CLOBBER cases.
8207 (df_ru_bb_local_compute_process_def,
8208 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8209 df_lr_bb_local_compute, df_ur_bb_local_compute,
8210 df_chain_create_bb): Made subreg aware.
8211 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8212 df_lr_bb_local_compute, df_lr_bb_local_compute,
8213 df_chain_create_bb): Cleanup to use proper macros.
8214 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8215 code to fixup bitvectors.
8216 (df_ri_alloc): Cleared lifetime.
8217 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8218 df_create_unused_note): New function.
8219 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8220 REG_DEAD and REG_UNUSED notes as well as register information.
8221 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8222 df_chains_dump): Fixed crash if problem was never run.
8223 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8224 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8225 df_ri_add_problem): Processes flags in uniform manner.
8226 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8227 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8228 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8229 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8230 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8231 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8232 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8233 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8234 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8235 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8236 * see.c (see_initialize_data): Ditto.
8237 * final.c (rest_of_clean_state) Added regstack_completed.
8238 * rtl.h (regstack_completed): Ditto.
8239 * reg-stack.c (regstack_completed): Ditto.
8241 2006-05-19 Mike Stump <mrs@apple.com>
8243 * c-tree.h (default_conversion): Remove.
8244 * c-common.h (default_conversion): Add.
8246 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8248 * tree-vrp.c (valid_value_p): New function.
8249 (adjust_range_with_scev): Fail if the value of bound is not
8252 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8254 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8255 (mips_fallback_frame_state): Use syscall numbers to determine
8256 the appropriate li instruction for the current ABI. Only use
8257 __NR_sigreturn for o32.
8259 2006-05-19 Nicolas Setton <setton@adacore.com>
8261 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8262 * langhooks.c (lhd_dwarf_name): New function.
8263 * langhooks-def.h (lhd_dwarf_name): Declare.
8264 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8265 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8266 * ada/misc.c (gnat_dwarf_name): New function.
8267 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8269 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8271 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8273 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8274 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8275 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8276 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8277 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8278 determine the size of Wtype, etc.
8279 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8280 (swfloatfuncs): New variable.
8281 (dwfloatfuncs): Likewise.
8282 (lib2funcs): Remove floating-point conversion functions from
8283 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8284 the set of conversion routines needed. Allow entries to specify
8285 an object name, filename and word size. Update users accordingly.
8286 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8287 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8291 2006-02-08 Roger Sayle <roger@eyesopen.com>
8294 * config/fixtfdi.c: New libgcc source file.
8295 * config/fixunstfdi.c: New source file.
8296 * config/floatditf.c: New source file.
8297 * config/floatunditf.c: New souce file.
8298 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8299 files above instead of config/mips/_tilib.c.
8300 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8302 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8304 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8305 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8307 2006-05-18 Mike Stump <mrs@apple.com>
8309 Fix up vla, vm and [*] sematics.
8315 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8316 (c_vla_unspec_p): Add.
8317 (c_vla_type_p): Add.
8318 * c-decl.c (struct c_scope): Add had_vla_unspec.
8319 (build_array_declarator): Add support for [*].
8320 (grokdeclarator): Likewise.
8321 (grokparms): Likewise.
8322 (get_parm_info): Likewise.
8323 * c-objc-common.c (c_vla_unspec_p): Likewise.
8324 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8325 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8326 typeof when argument is a variably modified type not inside sizeof or alignof.
8327 (c_parser_direct_declarator_inner): Propagate errors.
8328 (c_parser_sizeof_expression): Add support for [*].
8329 (c_parser_parms_declarator): Initialize had_vla_unspec.
8330 (c_parser_parms_list_declarator): Likewise.
8331 * c-typeck.c (c_vla_type_p): Add.
8332 (composite_type): Add support for vla compositing.
8333 (comptypes_internal): Add support for vla compatibility.
8334 (c_expr_sizeof_expr): Evaluate vla arguments.
8335 * tree.c (variably_modified_type_p): Update comment for [*].
8337 2006-05-18 Michael Matz <matz@suse.de>
8340 * config.host: Make assignments to host_xmake_file cumulative.
8341 * config.host (*-darwin*): Test $host, not $target.
8343 2006-05-12 Stuart Hastings <stuart@apple.com>
8345 * config/i386/i386.opt (-mstackrealign): New flag.
8346 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8347 (ix86_handle_cconv_attribute): Emit error when
8348 force_align_arg_pointer attribute collides with too many regparms.
8349 (ix86_function_regparm): Limit regparms when used with
8350 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8351 Support stack-realigning prologue in non-main functions. Emit
8352 warning for nested functions under -mstackrealign, emit error for
8353 nested functions with force_align_arg_pointer attribute.
8354 * doc/extend.texi (force_align_arg_pointer): Document it.
8355 * doc/invoke.texi (-mstackrealign): Document it.
8357 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8359 PR rtl-optimization/27477
8360 * combine.c (try_combine): Don't split a parallel consisting
8361 of two sets into two individual sets if both sets reference
8364 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8366 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8367 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8369 * doc/options.texi (VarExists): Updated.
8371 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8373 * unwind-dw2.c: Add declarations for uw_update_context and
8375 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8376 detected, advance frame state and context once to skip over stub.
8378 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8382 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8383 Call rewrite_into_loop_closed_ssa only when something changed.
8384 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8385 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8386 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8387 Test for perfect_nest_p here. Fix formating.
8388 (replace_uses_equiv_to_x_with_y): Fix formating.
8389 (stmt_uses_op): Removed.
8390 (can_convert_to_perfect_nest): Removed loopivs parameter.
8391 Complete the test by checking the scalar dependences.
8392 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8395 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8398 From Dan Kegel <dank@kegel.com>:
8399 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8401 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8403 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8404 if the element type is variably modified without recursing.
8406 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8409 * tree-loop-linear.c (try_interchange_loops): Test for
8410 no data dependences.
8412 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8414 PR tree-optimization/27548
8415 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8416 range of ssa names that appear on abnormal edges.
8417 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8418 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8420 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8423 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8425 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8428 * tree.h (OMP_PARALLEL_COMBINED): Define.
8429 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8430 (new_omp_context): Add is_combined_parallel argument.
8431 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8432 new_omp_context caller.
8433 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8434 Adjust gimplify_scan_omp_clauses callers.
8435 (omp_is_private): Issue errors if iteration variable is firstprivate
8436 or reduction in the current context.
8437 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8438 on combined parallel workshare constructs.
8440 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8442 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8443 (gcc-options.o): New rule.
8445 * optc-gen.awk: Protect variables for gcc-options.o with
8446 #ifdef GCC_DRIVER/#endif.
8448 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8450 Fix PR tree-optimization/27373
8451 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8452 (forward_propagate_addr_expr): Update call.
8454 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8456 * doc/options.texi: Move the Negative option.
8458 2006-05-16 Richard Guenther <rguenther@suse.de>
8460 PR tree-optimization/22303
8461 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8463 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8464 ccp_fold did not simplify the statement.
8466 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8469 * Makefile.in (GCC_OBJS): New.
8470 (OBJS-common): Add opts-common.o.
8471 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8472 (cpp$(exeext)): Likewise.
8473 (gcc.o): Also depend on opts.h.
8474 (opts-common.o): New.
8476 * common.opt (gcoff): Add Negative(gdwarf-2).
8477 (gdwarf-2): Add Negative(gstabs).
8478 (gstabs): Add Negative(gstabs+).
8479 (gstabs+): Add Negative(gvms).
8480 (gvms): Add Negative(gxcoff).
8481 (gxcoff): Add Negative(gxcoff+).
8482 (gxcoff+): Add Negative(gcoff).
8483 * config/i386/i386.opt (m32): Add Negative(m64).
8484 (m64): Add Negative(m32).
8486 * doc/options.texi: Document the Negative option.
8488 * gcc.c: Include "opts.h".
8489 (main): Call prune_options after expandargv.
8491 * optc-gen.awk: Generate common declarations for all flag
8492 variables in options.c. Output the neg_index field.
8494 * opts.c (find_opt): Moved to ...
8495 * opts-common.c: Here. New file.
8497 * opts.h (cl_option): Add a neg_index field.
8499 (prune_options): Likewise.
8501 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8504 * omp-low.c (expand_omp_parallel): Don't assert
8505 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8506 instead search for it.
8509 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8512 2006-05-16 Andreas Schwab <schwab@suse.de>
8514 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8517 2006-05-15 Roger Sayle <roger@eyesopen.com>
8520 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8521 integer constants other than zero are only legitimate on TARGET_64BIT.
8522 <CONST_VECTOR> Only zero vectors are legitimate.
8523 (ix86_cannot_force_const_mem): Integral and vector constants can
8524 always be put in the constant pool.
8526 2006-05-16 DJ Delorie <dj@redhat.com>
8528 * crtstuff.c (__dso_handle): Set section from
8529 TARGET_LBIGCC_SDATA_SECTION if defined.
8530 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8531 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8533 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8536 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8539 2006-05-16 Ben Elliston <bje@au.ibm.com>
8541 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8543 2006-05-15 Per Bothner <per@bothner.com>
8545 * tree.c: (last_annotated_node): Use source_locus typedef.
8546 This permits bootstrapping with --enable-mapped-location.
8548 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8550 PR tree-optimization/26830
8551 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8552 (info_for_ssa_name, current_info_for_ssa_name_age,
8553 blocks_to_update): New variables.
8554 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8555 (clear_ssa_name_info, initialize_flags_in_bb,
8556 mark_block_for_update): New functions.
8557 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8558 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8559 prepare_def_site_for): Use mark_block_for_update.
8560 (mark_def_interesting): Assert that the processed block is marked in
8561 blocks_to_update. Do not take blocks argument.
8562 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8564 (rewrite_update_init_block, rewrite_update_stmt): Only process
8565 blocks with statements to rewrite.
8566 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8567 (update_ssa): Initialize and free blocks_to_update. Do not
8568 clear flags on statements. Do not use blocks bitmap.
8569 * tree.h (SSA_NAME_AUX): Removed.
8570 (struct tree_ssa_name): Removed aux field.
8571 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8573 2006-05-15 Richard Guenther <rguenther@suse.de>
8575 PR tree-optimization/27603
8576 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8577 Do computations in original type.
8579 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8581 * see.c: Code style changes such as redundant paranthesis,
8582 redundant intialization of local variables etc.
8583 (see_main): Declared now as static.
8584 * doc/invoke.texi: Update that -fsee is not enabled by
8587 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8589 * omp-low.c (check_omp_nesting_restrictions): New function.
8590 (scan_omp_1): Call it.
8593 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8594 construct, return *VAR.
8596 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8598 PR rtl-optimization/27406
8599 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8602 2006-05-14 Roger Sayle <roger@eyesopen.com>
8604 PR rtl-optimization/27538
8605 * combine.c (expand_compound_operation): Call gen_lowpart
8606 before calling simplify_shift_const.
8608 2006-05-14 Roger Sayle <roger@eyesopen.com>
8610 PR rtl-optimization/22563
8611 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8612 a fixed width bitfield, always force the intermediates into psuedos.
8614 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8617 * mkconfig.sh: Use operator = instead of == for test.
8619 2006-05-13 Nick Clifton <nickc@redhat.com>
8621 * dwarf2out.c (dbx_reg_number): Check return value from
8622 LEAF_REG_REMAP and only use it if it is valid.
8623 (multiple_reg_loc_descriptor): Likewise.
8625 2006-05-13 Richard Guenther <rguenther@suse.de>
8627 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8630 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8632 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8633 information attached to non-INSNs such as NOTEs.
8634 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8636 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8638 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8640 * config/s390/s390.md: Adjust comment describing On constraint.
8642 2006-05-11 Jan Hubicka <jh@suse.cz>
8644 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8645 to be output at -O0.
8647 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8650 * fold-const.c (size_binop): Move sanity check for arguments to
8651 the beginning of the function.
8654 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8657 2006-05-11 Richard Guenther <rguenther@suse.de>
8660 * fold-const.c (fold_unary): Handle intermediate conversion
8661 to a pointer type like intermediate conversion to an integer
8662 type in folding of (T1)(T2)var to var.
8663 Match the code to the comment in the final conversion for
8664 (T1)(T2)var to (T1)var regarding to type precision. Rather
8665 than disallow T1 being of pointer type, assert that both T1
8666 and var are of pointer type or not. Make sure not to fall
8667 over the frontends lazyness wrt array to pointer decay though.
8669 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8671 * arm.c (arm_struct_value_rtx): Delete.
8672 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8673 (arm_init_cumulative_args): Always initialize nregs to zero.
8675 2006-05-10 Richard Guenther <rguenther@suse.de>
8677 PR tree-optimization/27532
8678 * tree-object-size.c (plus_expr_object_size): Fix typo.
8680 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8683 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8684 ashrdi_const, ashrdi3): Use a scratch register.
8686 2006-05-10 Richard Guenther <rguenther@suse.de>
8688 PR tree-optimization/27302
8689 * fold-const.c (operand_equal_p): For two comparisons,
8690 try comparison of one comparison code swapped if that yields
8693 2006-05-10 Ben Elliston <bje@au.ibm.com>
8695 * tree-pretty-print.c (pretty_print_string): No need to handle
8696 '\0' as a special character.
8698 * tree.h: Include "hashtab.h".
8699 (iterative_hash_expr): Use hashval_t in its prototype.
8700 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8702 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8705 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8706 (hppa*64*-*-hpux11*): Ditto.
8707 (hppa[12]*-*-hpux11*): Ditto.
8709 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8712 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8714 2006-05-09 Michael Matz <matz@suse.de>
8716 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8717 host_extra_gcc_objs and host_xmake_file.
8718 (<*-*-linux*>): Don't overwrite host_xmake_file.
8719 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8720 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8721 (host_detect_local_cpu): Declare.
8722 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8723 * config/i386/i386.c (override_options): Handle -mtune=native
8725 * config/i386/x-i386: New file.
8726 * config/i386/driver-i386.c: New file.
8727 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8730 2006-05-09 Dirk Mueller <dmueller@suse.de>
8731 Richard Guenther <rguenther@suse.de>
8734 * fold-const.c (fold_read_from_constant_string): Relax check
8735 for matching types to matching modes.
8737 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8739 PR rtl-optimization/27335
8740 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8743 2006-05-08 Chao-ying Fu <fu@mips.com>
8744 Richard Sandiford <richard@codesourcery.com>
8746 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8747 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8748 * config/mips/mips.md (UNSPEC_SCC): New constant.
8749 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8750 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8751 (mips_emit_compare): Use it.
8752 (mips_expand_vcondv2sf): New function.
8754 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8756 Fix PR tree-optimization/27093
8757 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8758 renaming when they become not-used_alone.
8760 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8762 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8763 relocation and relocation stubs.
8765 2006-05-08 Eric Christopher <echristo@apple.com>
8767 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8770 2006-05-08 Jan Hubicka <jh@suse.cz>
8773 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8774 unused static functions are needed.
8776 2006-05-08 Roger Sayle <roger@eyesopen.com>
8779 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8780 of a reg_equiv_constant if the result is a legitimate constant.
8782 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8785 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8786 standard 80387 constants, raise the cost to prevent
8787 compress_float_constant() to generate load from memory.
8789 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8791 * config/arm/constraints.md (c): Fix a typo.
8793 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8796 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8799 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8801 (_mm_mwait): Likewise.
8803 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8805 (sse3_monitor): Make it 32bit only.
8806 (sse3_monitor64): New. 64bit monitor.
8808 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8811 * config/i386/i386.c (classify_argument): Skip fields with invalid
8814 2006-05-07 Richard Guenther <rguenther@suse.de>
8816 PR tree-optimization/27409
8817 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8818 Do not try to find zero-sized subvars.
8820 2006-05-07 Richard Guenther <rguenther@suse.de>
8822 PR tree-optimization/27136
8823 * tree-ssa-loop-niter.c (get_val_for): Correct function
8824 comment, assert requirements.
8825 (loop_niter_by_eval): Stop processing if the iterated
8826 value did not simplify.
8828 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8830 * opts.c (flag_see): remove its setting at -O3.
8832 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8834 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8835 * arm/constraints.md: New file.
8836 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8837 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8838 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8839 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8840 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8841 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8842 * arm.md: Include constraints.md.
8843 (thumb_movsi_insn): Use satisfies_constraint_J.
8844 (movhi, movqi): Use satisfies_constraint_I.
8846 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8848 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8849 for atmeg a645 device.
8851 2006-05-06 Richard Guenther <rguenther@suse.de>
8853 PR tree-optimization/27151
8854 * tree-vect-transform.c (vectorizable_condition): Punt on
8855 values that have a different type than the condition.
8857 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8860 * c-parser.c (c_parser_cast_expression): Only insert casts into
8861 hash table if pointer.
8862 * function.c (used_types_insert_helper): Rename from
8864 (used_types_insert): Call used_types_insert_helper.
8865 * function.h (used_types_insert): Accept only one argument.
8867 2006-05-05 David Edelsohn <edesohn@gnu.org>
8869 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8870 scratch with output modifier.
8872 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8875 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8876 with output modifier.
8878 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8881 * config/mips/mips.c (mips_symbolic_address_p): Return true
8882 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8883 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8885 2006-05-04 Richard Guenther <rguenther@suse.de>
8887 PR tree-optimization/14287
8888 PR tree-optimization/14844
8889 PR tree-optimization/19792
8890 PR tree-optimization/21608
8891 PR tree-optimization/27090
8892 * tree-ssa-pre.c (try_combine_conversion): New function.
8893 (compute_avail): After constructing the value-handle
8894 expression, use try_combine_conversion to combine NOP_EXPRs
8895 with previous value-handle expressions and use the result if it
8898 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8900 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8902 2006-05-04 Jan Hubicka <jh@suse.cz>
8905 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8907 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8909 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8910 that this only matches CONST_INTs. All users changed to VOIDmode
8913 * config/bfin/bfin.c: Include "optabs.h".
8914 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8916 (enum bfin_builtins): Add a number of fractional and vector builtins.
8917 (bfin_init_builtins): Likewise.
8918 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8919 (safe_vector_operand, bfin_expand_binop_builtin,
8920 bfin_expand_unop_builtin): New functions.
8921 (bfin_expand_builtin): Handle the new builtins.
8922 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8925 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8928 * Makefile.in (OBJS-common): Add see.o.
8929 (see.o): Add dependencies.
8930 * common.opt (fsee): New flag for the see optimization was added.
8931 * opts.c (flag_see): Initialized.
8932 * passes.c (init_optimization_passes, pass_see): New pass.
8933 * rtl.h (see_main): Declaration as extern.
8934 * timevar.def (TV_SEE): New.
8935 * tree-pass.h (pass_see): Declaration as extern.
8936 * invoke.texi (-fsee): Document.
8937 * recog.c (validate_simplify_insn): New function.
8938 * recog.h (validate_simplify_insn): Declaration as extern.
8939 * df-problems.c (df_chain_dump): Check for NULL.
8941 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8942 Daniel Berlin <dberlin@dberlin.org>
8944 * cfgrtl.c (insert_insn_bb_end_new): New function.
8945 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8947 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8949 * df.h (struct web_entry): Moved from web.c.
8950 (union_defs): Declaration as extern.
8951 (unionfind_root): Likewise.
8952 (unionfind_union): Likewise.
8953 * web.c (struct web_entry): Moved to df.h.
8954 (unionfind_root): Remove static declaration.
8955 (unionfind_union): Likewise.
8956 (union_defs): Likewise and generalize to use callback function.
8957 (web_main): Update arguments for union_defs function call.
8959 2006-05-04 Richard Guenther <rguenther@suse.de>
8961 PR tree-optimization/26447
8962 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8963 produce SSA_NAME copies before the store stmt to avoid
8964 breaking exception handling.
8966 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8969 * gimplify.c (omp_is_private): If var is shared in some outer context,
8970 return false instead of true. Stop searching on parallel context
8973 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8976 * coverage.c: Use get_gcov_unsigned_t() instead of
8977 unsigned_type_node all over.
8979 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8981 PR tree-optimization/27381
8982 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8983 maintain the same immediate_use links.
8984 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8985 node rather than segfaulting.
8987 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8990 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8991 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8992 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8994 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8996 Fix PR tree-optimization/26626
8997 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8999 * tree-ssa-operands.c (access_can_touch_variable): Allow
9000 typecasting through union pointers.
9002 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9005 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9006 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9007 to find if var will be a global variable even in the nested context.
9008 (omp_copy_decl): Only check for global variable at the end, it might
9009 be overridden in outer contexts.
9010 (scan_sharing_clauses): For global variables don't create a field.
9011 (lower_rec_input_clauses): Do nothing for global shared variables.
9012 Emit a barrier at the end of ILIST if there were any decls in both
9013 firstprivate and lastprivate clauses.
9014 (lower_send_clauses): Do nothing for global variables except for
9017 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9019 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9020 of the correct signedness is returned.
9022 2006-05-02 Jeff Law <law@redhat.com>
9024 PR tree-optimization/27364
9025 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9026 multiply expressions.
9028 2006-05-02 Tom Tromey <tromey@redhat.com>
9030 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9032 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9035 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9036 -mthumb -fPIC are used.
9038 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9039 Joshua Kinard <kumba@gentoo.org>
9042 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9043 with 64-bit pointers.
9045 2006-05-02 Paul Brook <paul@codesourcery.com>
9047 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9049 (create_fix_barrier): Check that a suitable barrier location is
9051 (arm_reorg): Include ftmp->address in allowable range of addresses.
9053 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9056 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9059 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9062 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9063 around RESULT_DECL for result passed by reference.
9064 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9065 * omp-low.c (use_pointer_for_field): Don't look at
9066 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9067 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9068 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9069 time or var for passing by reference for
9070 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9071 TREE_ADDRESSABLE variables when passing by reference.
9073 * omp-low.c (dump_omp_region): Fix output formatting.
9076 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9077 (expand_omp_parallel): Likewise.
9078 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9081 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9082 on statement list containing also constructors and destructors.
9083 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9086 * except.c (duplicate_eh_regions): Fix clearing of
9087 cfun->eh->region_array entries.
9089 2006-05-01 DJ Delorie <dj@redhat.com>
9091 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9093 (gcc_cv_objdump): Likewise.
9094 * configure: Regenerated.
9096 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9099 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9100 templates for case 3 and 4.
9102 2006-05-01 DJ Delorie <dj@redhat.com>
9104 * vec.c: Include bconfig.h when appropriate.
9105 * Makefile.in (build/vec.o): Adjust dependencies.
9106 * mkconfig.sh: Make sure config.h isn't used for build machine
9109 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9111 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9113 (mark_phi_for_rewrite): New function.
9114 (insert_phi_nodes_for, mark_use_interesting): Call
9115 mark_phi_for_rewrite.
9116 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9117 (update_ssa): Initialize and free phis_to_rewrite.
9119 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9121 PR rtl-optimization/27291
9122 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9123 folded to a constant.
9125 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9127 PR tree-optimization/27283
9128 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9129 not whole # of iteration descriptions.
9130 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9131 uses abnormal ssa name.
9132 (niter_for_single_dom_exit): Ditto.
9133 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9134 return just the number of iterations.
9136 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9138 PR tree-optimization/27144
9139 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9140 (record_estimate): Only record constant upper bound.
9141 (infer_loop_bounds_from_undefined): Call
9142 compute_estimated_nb_iterations just once.
9143 (proved_non_wrapping_p): Renamed to ...
9144 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9145 (convert_step_widening, scev_probably_wraps_p): Call
9146 n_of_executions_at_most instead of proved_non_wrapping_p.
9147 (substitute_in_loop_info): Do not replace values in bounds.
9148 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9151 2006-05-01 Richard Henderson <rth@redhat.com>
9154 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9155 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9158 2006-05-01 Roger Sayle <roger@eyesopen.com>
9160 * c-typeck.c (parser_build_binary_op): Don't call the function
9161 unsigned_conversion_warning to spot operand/result type overflow.
9162 (build_binary_op): Instead, call convert_and_check instead of
9163 convert to report the problem when the operands are promoted.
9164 * c-common.c (unsigned_conversion_warning): Make static.
9165 * c-common.h (unsigned_conversion_warning): Delete prototype.
9167 2006-05-01 Richard Guenther <rguenther@suse.de>
9169 PR tree-optimization/26726
9170 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9172 (find_interesting_uses_address): ... we work around here
9173 by folding INDIRECT_REFs in the substituted base.
9175 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9177 * omp-low.c (dump_omp_region): Add newlines.
9179 2006-04-30 Roger Sayle <roger@eyesopen.com>
9181 * common.opt (Woverflow): New command line option.
9182 * c-common.c (constant_expression_warning): Check warn_overflow.
9183 (overflow_waring): Pass OPT_Woverflow to warning.
9184 (unsigned_conversion_warning): Likewise.
9185 (convert_and_check): Likewise.
9186 * doc/invoke.texi: Document new command line option.
9188 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9190 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9191 TARGET_NO_FP_IN_TOC for section anchors.
9192 (optimization_options): Enable section anchors for all
9193 non-"Objective" languages.
9195 2006-04-28 Eric Christopher <echristo@apple.com>
9197 * config/darwin-c.c (darwin_ms_struct): Move this
9198 (darwin_set_default_type_attributes): and this...
9199 * config/darwin.c: ... here.
9200 * config/darwin.h (darwin_ms_struct): Declare.
9202 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9204 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9206 2006-04-28 Roger Sayle <roger@eyesopen.com>
9209 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9210 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9211 an unsigned HOST_WIDE_INT.
9212 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9214 (really_start_incremental_init): No need to call convert because
9215 bitsize_zero_node is already of type bitsizetype.
9216 (push_init_level): Extract the value of constructor_index as an
9217 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9218 (process_init_element): Likewise.
9220 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9222 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9223 value before passing to make_relative_prefix.
9225 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9228 * builtins.c (expand_builtin_memset): Expand val in original mode.
9230 2006-04-27 Eric Christopher <echristo@apple.com>
9232 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9233 with #ifndef/#endif.
9234 * config/darwin-c.c (darwin_ms_struct): New.
9235 (darwin_pragma_ms_struct): Ditto.
9236 (darwin_set_default_type_attributes): Ditto.
9237 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9238 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9239 Register ms_struct pragma.
9240 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9241 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9242 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9243 darwin_set_default_type_attributes if TARGET_MACHO.
9245 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9247 PR tree-optimization/26854
9248 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9249 * doc/tree-ssa.texi: Update immuse iterator documentation.
9250 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9251 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9252 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9253 first_safe_imm_use, next_safe_imm_use): Remove.
9254 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9255 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9256 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9257 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9258 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9259 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9260 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9261 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9262 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9263 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9264 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9265 (perfect_nestify): Use new iterator.
9266 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9268 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9269 (next_imm_name): New field in struct immediate_use_iterator_d.
9270 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9271 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9272 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9273 * tree-cfg.c (replace_uses_by): Use new iterator.
9274 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9275 * tree-ssa-operands.c (correct_use_link): Remove.
9276 (finalize_ssa_use_ops): No longer call correct_use_link.
9278 2006-04-27 Stuart Hastings <stuart@apple.com>
9280 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9281 * config/t-darwin (crt3.o): Use it.
9282 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9283 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9284 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9285 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9286 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9289 2006-04-27 Roger Sayle <roger@eyesopen.com>
9291 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9292 size, force the intermediate into a new pseudo rather instead of
9293 performing both a bitwise AND and a bitwise IOR in memory.
9295 2006-04-27 Richard Guenther <rguenther@suse.de>
9297 PR rtl-optimization/26685
9298 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9299 this one "max-flow-memory-locations".
9301 2006-04-27 Richard Guenther <rguenther@suse.de>
9303 PR tree-optimization/25148
9304 * tree-vrp.c (compare_values): Remove code dealing with
9305 comparisons against type min/max value. Honour overflow
9306 and negative constants in code dealing with comparisons
9307 of plus and minus expressions.
9308 (value_inside_range): Use fold_binary with LE_EXPR and
9309 GE_EXPR rather than compare_values.
9311 2006-04-27 Dirk Mueller <dmueller@suse.de>
9313 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9316 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9318 * basic-block.h (safe_insert_insn_on_edge): Removed.
9319 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9321 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9322 Paolo Bonzini <bonzini@gnu.org>
9325 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9326 (simplify_and_const_int): Same.
9328 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9330 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9332 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9335 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9336 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9337 cgraph_global_info_ready.
9340 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9343 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9344 either decl or init is error_mark_node.
9347 * tree-flow.h (struct omp_region): Add sched_kind.
9348 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9349 instead of extracting omp for data.
9350 (expand_omp_for): Save extracted sched_kind.
9352 2006-04-25 Roger Sayle <roger@eyesopen.com>
9354 * expmed.c (store_bit_field): Also check whether the bitsize is
9355 valid for the machine's "insv" instruction before moving the
9356 target into a pseudo for use with the insv.
9357 * config/i386/predicates.md (const8_operand): New predicate.
9358 * config/i386/i386.md (extv, extzv, insv): Use the new
9359 const8_operand predicate where appropriate.
9361 2006-04-25 DJ Delorie <dj@redhat.com>
9363 * doc/install.texi (Specific): Clarify that this is not a list of
9364 supported hosts or targets.
9366 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9368 PR rtl-optimization/26725
9369 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9370 block's BB_DIRTY flag.
9372 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9374 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9377 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9378 to print an integer.
9380 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9382 * varasm.c (align_variable): New function.
9383 (get_block_for_decl): Apply align_variable to DECL before
9384 calculating section information.
9385 (assemble_variable): Split out alignment computation.
9387 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9389 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9392 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9394 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9395 MODE_PARTIAL_INT mode.
9396 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9397 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9399 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9400 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9402 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9404 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9406 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9407 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9408 MACFLAG_IH): Likewise.
9409 (movstricthi_1): Renamed from "*movstricthi".
9410 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9411 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9412 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9413 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9414 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9415 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9416 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9417 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9418 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9419 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9420 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9421 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9422 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9423 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9424 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9426 * doc/rtl.texi (ss_ashift): Improve wording.
9428 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9430 * dwarf2out.c (verify_marks_clear): New.
9431 (prune_unused_types): Call verify_marks_clear initially, not
9434 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9436 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9437 * doc/rtl.texi: Document them.
9438 * simplify-rtx.c (simplify_unary_operation,
9439 simplify_binary_operation_1): Don't abort when we see them.
9441 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9444 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9445 * configure.ac: Completely disregard languages that are not
9447 * configure: Regenerated.
9449 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9450 Richard Guenther <rguenther@suse.de>
9452 PR tree-optimization/27236
9453 * tree-inline.c (copy_body_r): Make sure to copy
9454 TREE_THIS_VOLATILE flag.
9456 2006-04-24 Richard Guenther <rguenther@suse.de>
9459 * tree-complex.c (update_parameter_components): Don't handle
9460 unused parameters which have no default def.
9462 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9463 Richard Guenther <rguenther@suse.de>
9465 PR tree-optimization/27218
9466 * tree-inline.c (expand_call_inline): Strip useless type
9467 conversions for the return slot address.
9469 2006-04-24 Richard Guenther <rguenther@suse.de>
9471 * cfgloop.h (struct loops): Remove unused field array. Reorder
9473 (LOOP_PREFETCH): Remove.
9475 2006-04-24 Richard Guenther <rguenther@suse.de>
9477 PR tree-optimization/22525
9478 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9479 variable, adjust types of generated expressions.
9481 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9483 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9484 (tree-vect-patterns.o): Likewise.
9486 (cselib.o): Likewise.
9487 (loop-doloop.o): Likewise.
9488 (regclass.o): Likewise.
9489 (reload1.o): Likewise.
9490 (explow.o): Replace target.h with $(TARGET_H).
9491 (ipa-prop.o): Likewise.
9492 (ipa-cp.o): Likewise.
9493 (ipa-inline.o): Likewise.
9494 (reorg.o): Likewise.
9495 (reg-stack.o): Likewise.
9497 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9499 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9501 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9503 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9505 * configure.ac: Completely disregard languages that are not
9507 * configure: Regenerated.
9510 * c-common.h (c_build_bitfield_integer_type): Declare.
9511 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9512 * c-common.c (c_build_bitfield_integer_type): ... here.
9514 2006-04-23 Roger Sayle <roger@eyesopen.com>
9517 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9518 a SImode SUBREG of a floating point register after no_new_pseudos.
9520 2006-04-23 Roger Sayle <roger@eyesopen.com>
9522 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9523 identify potentially eliminable registers to additionally catch
9524 VIRTUAL_INCOMING_ARGS_REGNUM.
9525 (addsi3): Update the conditions on when to use addsi_small_int.
9527 2006-04-23 Roger Sayle <roger@eyesopen.com>
9530 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9531 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9532 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9534 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9536 * fold-const.c (range_predecessor): Use operand_equal_p
9537 as the predicate for equality.
9538 (range_successor): Likewise.
9540 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9543 * config/soft-fp/op-common.h: Fix a typo.
9545 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9548 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9549 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9551 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9553 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9555 * doc/tm.texi: Fix a typo.
9557 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9559 * dwarf2out.c (struct die_struct): Document that die_sib makes
9560 a circular linked list.
9561 (FOR_EACH_CHILD): New.
9562 (reverse_die_lists): Delete.
9563 (reverse_all_dies): Delete.
9564 (add_dwarf_attr): Correct documentation.
9565 (remove_child_with_prev): New.
9566 (remove_child_TAG): Update for change to die_struct, use
9567 remove_child_with_prev.
9568 (add_child_die): Update for change to die_struct.
9569 (splice_child_die): Use remove_child_with_prev and add_child_die.
9570 (print_die): Use FOR_EACH_CHILD.
9571 (die_checksum): Likewise.
9572 (assign_symbol_names): Likewise.
9573 (output_location_lists): Likewise.
9574 (build_abbrev_table): Likewise.
9575 (calc_die_sizes): Likewise.
9576 (mark_dies): Likewise.
9577 (unmark_dies): Likewise.
9578 (unmark_all_dies): Likewise.
9579 (output_die): Likewise.
9580 (prune_unused_types_mark): Likewise.
9581 (prune_unused_types_walk): Likewise.
9582 (same_die_p): Update for change to die_struct.
9583 (break_out_includes): Likewise.
9584 (prune_unused_types_prune): Likewise.
9585 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9586 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9588 (dwarf2out_finish): Don't call reverse_all_dies.
9590 2006-04-21 Eric Christopher <echristo@apple.com>
9592 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9593 in comments and function names.
9595 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9598 * c-typeck.c (digest_init): Robustify.
9600 * c-typeck.c (pop_init_level): Simplify.
9602 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9604 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9606 2006-04-21 Paul Brook <paul@codesourcery.com>
9608 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9609 hardware floating point.
9611 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9613 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9616 2006-04-21 Nick Clifton <nickc@redhat.com>
9618 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9621 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9624 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9625 C++ lang type in traceback table for Objective-C++.
9627 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9629 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9631 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9633 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9636 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9637 were errors. Remove check for erroneous objects.
9639 2006-04-20 Jeff Law <law@redhat.com>
9641 PR tree-optimization/26854
9642 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9643 checking for zero or one use.
9644 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9645 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9646 * tree-ssa-reassoc.c (negate_value): Similarly.
9647 (reassociate_bb): Similarly.
9649 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9651 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9652 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9653 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9655 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9657 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9658 fp regs if the last fp arg doesn't fit in regs.
9660 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9663 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9664 that the last insn has the REG_INC note.
9666 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9667 Nathan Sidwell <nathan@codesourcery.com>
9670 * stor-layout.c (update_alignment_for_field): Do not align
9672 (place_union_field): Place union field at the start of the union.
9673 (place_field): Move ERROR_MARK check later, and use the current
9674 allocation position to maintain monotonicity.
9676 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9678 * dominance.c: Include timevar.h.
9679 (calculate_dominance_info): Use TV_DOMINANCE.
9680 * timevar.def (TV_DOMINANCE): New timevar.
9681 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9683 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9685 PR rtl-optimization/14261
9686 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9687 move would be an INSV insn.
9688 (noce_process_if_block): Don't optimize if the destination is a
9689 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9691 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9693 * config/s390/s390.md: Add comments with the instructions emitted
9694 by an insn pattern if macros are used.
9696 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9698 PR rtl-optimization/26026
9699 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9700 is a known power of two shifted left a variable amount.
9702 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9704 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9705 to hash table twice when the debug_str section has SECTION_MERGE.
9707 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9709 * config/soft-fp: New directory. From glibc.
9710 * config/soft-fp/t-softfp: New.
9711 * config/soft-fp/README: New.
9712 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9713 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9714 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9715 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9716 * config.gcc: Use rs6000/t-fprules-fpbit or
9717 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9719 * config/rs6000/sfp-machine.h: New. Based on glibc.
9720 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9722 * config/rs6000/t-fprules: Remove fp-bit rules.
9723 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9724 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9725 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9726 (softfp_wrap_start, softfp_wrap_end): New.
9728 2006-04-18 DJ Delorie <dj@redhat.com>
9730 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9732 2006-04-18 Devang Patel <dpatel@apple.com>
9734 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9736 2006-04-18 Nick Clifton <nickc@redhat.com>
9738 * config/sh/t-symbian: Add rule to build sh-c.o
9739 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9740 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9741 (sh_symbian_encode_section_info): Likewise.
9743 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9745 * builtins.c (expand_builtin_strcmp): Cover label definition of
9746 do_libcall with HAVE_cmpstrnsi.
9748 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9750 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9752 * function.h (temp_slot_p): New.
9753 (function): Change the type of x_used_temp_slots to
9754 VEC(temp_slot_p,gc) *.
9756 2006-04-18 Nick Clifton <nickc@redhat.com>
9758 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9759 flag_strength_reduce.
9761 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9763 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9767 Partial revert of revision 112637
9768 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9769 Dale Johannesen <dalej@apple.com>
9772 * regclass.c (struct reg_pref): Update documentation.
9773 (regclass): Set prefclass to NO_REGS if memory is the best option.
9774 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9776 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9778 PR tree-optimization/26821
9779 * tree-ssa-math-opts.c (get_constant_one): New.
9780 (insert_reciprocals): Use it.
9782 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9784 * dwarf2out.c (free_AT): Delete.
9785 (remove_AT): Update string ref counts.
9786 (remove_child_TAG): Don't call free_die.
9788 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9789 or DW_TAG_GNU_EINCL.
9790 (prune_unused_types_walk_attribs): Reset string refcounts.
9791 (prune_unused_types_update_strings): New.
9792 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9793 call free_die. Do call prune_unused_types_update_strings.
9794 (prune_unused_types): Empty debug_str_hash.
9796 2006-04-17 Roger Sayle <roger@eyesopen.com>
9798 * expr.c (expand_assignment): Optimize away no-op moves where the
9799 source and destination are equal and have no side-effects.
9801 2006-04-17 Richard Guenther <rguenther@suse.de>
9804 * reload.c (push_reload): Guard calls to get_secondary_mem
9807 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9809 * alias.c (reg_base_value, old_reg_base_value): Change the
9810 type to VEC(rtx,gc) *.
9811 (REG_BASE_VALUE, find_base_value, record_set,
9812 init_alias_analysis): Use VEC instead of VARRAY.
9814 * alias.c (alias_sets): Change the type to
9815 VEC(alias_set_entry,gc) *.
9816 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9817 VEC instead of VARRAY.
9818 (last_alias_set): Remove.
9820 * cgraph.h (cgraph_edge_p): New.
9821 Update the prototype of cgraph_function_versioning.
9822 * cgraphunit.c (cgraph_copy_node_for_versioning,
9823 cgraph_function_versioning): Use VEC instead of VARRAY.
9824 * ipa-cp.c (ipcp_insert_stage): Likewise.
9826 2006-04-16 Roger Sayle <roger@eyesopen.com>
9829 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9830 "A op B" or "A op C", we may need to convert A to the type of B and C.
9832 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9834 * target.h (struct gcc_target): Add mode_rep_extended.
9835 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9836 (init_num_sign_bit_copies_in_rep): Initialize it using
9838 (truncate_to_mode): Use it.
9839 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9840 * targhooks.h (default_mode_rep_extended): Declare it.
9841 * targhooks.c (default_mode_rep_extended): Define it.
9842 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9843 default_mode_rep_extended.
9844 (TARGET_INITIALIZER): Include it.
9845 * doc/tm.texi (Misc): Document it.
9846 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9847 (mips_truncated_to_mode): New function.
9849 2006-04-16 Roger Sayle <roger@eyesopen.com>
9852 * expr.c (compress_float_constant): Copy the narrow constant into
9853 a new pseudo before extending it to its final width.
9855 2006-04-16 Roger Sayle <roger@eyesopen.com>
9856 Andrew Pinski <pinskia@gcc.gnu.org>
9857 Dale Johannesen <dalej@apple.com>
9860 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9861 special case code to implement V8HImode and V16QImode with SSE2.
9863 2006-04-15 Roger Sayle <roger@eyesopen.com>
9865 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9866 trees are constructed with a suitable tree type.
9868 2006-04-15 Roger Sayle <roger@eyesopen.com>
9870 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9871 (integer_onep): Likewise.
9872 (integer_all_onesp): Likewise.
9873 (integer_pow2p): Likewise.
9874 (integer_nonzerop): Likewise.
9875 (real_zerop): Likewise.
9876 (real_onep): Likewise.
9877 (real_twop): Likewise.
9878 (real_minus_onep): Likewise.
9879 (int_size_in_bytes): Likewise.
9880 (host_integerp): Likewise.
9882 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9884 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9885 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9886 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9888 * tree-ssa-structalias.h (alias_info): Remove num_references.
9890 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9892 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9893 (output_bvb patterns): Likewise.
9894 * pa.c (output_bb): Use 'bb' insn for long branch case.
9895 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9896 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9897 1. Correct length operand for alternatives 1 and 2.
9898 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9899 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9901 2006-04-14 Roger Sayle <roger@eyesopen.com>
9903 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9904 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9905 were accidentally reverted by r112959.
9907 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9910 * except.h (eh_region_outermost): New prototype.
9911 * except.c (eh_region_outermost): New function.
9912 * tree-cfg.c (find_outermost_region_in_block): Use it.
9914 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9916 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9918 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9919 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9920 (init_reload, reload): Use VEC instead of VARRAY.
9921 * reload.h: Update the prototype for
9922 reg_equiv_memory_loc_varray.
9924 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9925 Eric Botcazou <ebotcazou@libertysurf.fr>
9927 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9930 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9933 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9934 to expand fallback builtin function call.
9936 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9939 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9940 and emit libcall here in case the builtin fails.
9941 (expand_builtin_strcmp): Always emit the libcall here on failure.
9943 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9945 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9946 * flow.c (reg_n_info): Change the type to
9947 VEC(reg_info_p,heap) *.
9948 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9950 * regs.h (reg_info_p): New.
9951 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9952 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9953 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9956 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9958 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9960 * params.h (MAX_SCHED_READY_INSNS): New macro.
9961 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9962 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9963 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9964 the ready list for 1 cycle during the first scheduling pass.
9965 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9967 2006-04-13 Richard Henderson <rth@redhat.com>
9970 * gimple-low.c (lower_omp_directive): Remove dead code.
9971 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9972 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9973 * omp-low.c (struct omp_region): Move to tree-flow.h.
9974 (root_omp_region): Export.
9975 (omp_regions, lookup_omp_region): Remove.
9976 (determine_parallel_type): Update for struct omp_region changes.
9977 (dump_omp_region): Dump regions with block numbers.
9978 (new_omp_region): Take type and block instead of stmt; malloc
9980 (free_omp_region_1, free_omp_regions): New.
9981 (expand_parallel_call): Take entry_stmt as argument; update for
9982 changes to omp_region.
9983 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9984 (remove_exit_barriers): New.
9985 (expand_omp_parallel): Update for struct omp_region changes.
9986 (expand_omp_synch): Likewise.
9987 (expand_omp): Likewise.
9988 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9989 (expand_omp_for_static_chunk): Likewise.
9990 (expand_omp_for): Likewise.
9991 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9992 (expand_omp_sections): Similarly, with GOMP_sections_end.
9993 (expand_omp_single): New.
9994 (build_omp_regions_1): Update for OMP_CONTINUE.
9995 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9996 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9997 OMP_SECTIONS_SECTIONS.
9998 (lower_omp_single_simple): Don't emit barrier here.
9999 (lower_omp_single_copy): Likewise.
10000 (lower_omp_single): Fix bindings, and lower to straightline now.
10001 (lower_omp_master, lower_omp_ordered): Likewise.
10002 (lower_omp_critical): Likewise.
10003 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10004 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10005 omp edges, free it afterward.
10006 (make_omp_sections_edges): Remove.
10007 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10008 (move_stmt_r): Handle OMP_CONTINUE.
10009 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10010 statement pointers to basic blocks. Add type member.
10011 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10012 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10013 * tree-inline.c (estimate_num_insns_1): Likewise.
10014 * tree-pretty-print.c (dump_generic_node): Likewise.
10015 * tree-ssa-operands.c (get_expr_operands): Likewise.
10016 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10017 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10018 (OMP_CONTINUE): New.
10019 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10020 (OMP_SECTIONS_SECTIONS): Remove.
10021 (OMP_SECTION_LAST): New.
10022 (OMP_RETURN_NOWAIT): New.
10024 2006-04-13 Roger Sayle <roger@eyesopen.com>
10026 * fold-const.c (native_encode_vector, native_interpret_real):
10027 Correct obvious mistakes in the previous check-in.
10029 2006-04-13 Roger Sayle <roger@eyesopen.com>
10031 * fold-const.c (native_encode_expr): New function to encode
10032 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10033 or VECTOR_CST into a specified buffer.
10034 (native_encode_int): New function.
10035 (native_encode_real): New function.
10036 (native_encode_complex): New function.
10037 (native_encode_vector): New function.
10038 (native_interpret_expr): Inverse of native_encode_expr to convert
10039 a target representation into an INTEGER_CST, REAL_CST etc...
10040 (native_interpret_int): New function.
10041 (native_interpret_real): New function.
10042 (native_interpret_complex): New function.
10043 (native_interpret_vector): New function.
10044 (fold_view_convert_expr): New function to constant fold/evaluate
10045 a VIEW_CONVERT_EXPR of a suitable constant expression.
10046 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10047 Change call of build1 to fold_build1 when constructing a
10050 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10051 Ulrich Weigand <uweigand@de.ibm.com>
10054 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10057 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10060 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10061 optimize to lo_sum for DFmode if !TARGET_FPRS.
10063 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10065 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10066 delete_alias_info, compute_flow_sensitive_aliasing,
10067 group_aliases): Use VEC instead of VARRAY.
10068 * tree-ssa-structalias.c (update_alias_info): Likewise.
10069 * tree-ssa-structalias.h (alias_info): Change the type of
10070 processed_ptrs to VEC(tree,heap) *.
10072 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10075 * config/sh/lib1funcs.h: New file, broken out of:
10076 * config/sh/lib1funcs.asm.
10077 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10079 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10080 * config/sh/lib1funcs-Os-4-200.asm: New file.
10081 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10082 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10083 (EXTRA_MULTILIB_PARTS): Include it.
10084 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10085 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10086 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10087 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10090 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10092 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10093 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10094 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10096 * tree-ssa-live.h: Include vecprim.h.
10097 (tree_partition_associator_d): Change the type of
10098 first_partition to VEC(int,heap) *.
10099 (tpa_first_partition): Use VEC instead of VARRAY.
10101 * Makefile.in (GTFILES): Move functions.h after tree.h.
10102 * function.c (reset_block_changes, record_block_change,
10103 check_block_change, free_block_changes): Use VEC instead of
10105 * function.h (function): Change the type of
10106 ib_boundaries_block to VEC(tree,gc) *.
10107 * tree-inline.c (copy_cfg_body): Initialize
10108 ib_boundaries_block to NULL instead of (varray_type) 0.
10110 2006-04-12 Roger Sayle <roger@eyesopen.com>
10112 * expr.c (emit_group_store): Correct operand order in call to
10113 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10114 a SUBREG_BYTE of zero.
10116 2006-04-12 Richard Guenther <rguenther@suse.de>
10118 * profile.c (compute_branch_probabilities): Remove code
10119 encapsulated in !ir_type (), which are remanents of the
10120 removed RTL profiling code.
10121 * rtl-profile.c: Remove.
10123 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10125 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10126 magic NULL_RTX comment.
10127 (function_arg): Store entire fp arg to mem if any part should go
10129 (rs6000_arg_partial_bytes): Adjust for above change.
10131 2006-04-11 Roger Sayle <roger@eyesopen.com>
10133 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10134 if it hasn't been initialized by dwarf2out_init.
10136 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10138 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10139 symbolic constants in branch patterns.
10141 2006-04-11 Roger Sayle <roger@eyesopen.com>
10143 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10145 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10147 PR rtl-optimization/27073
10148 * gcse.c (try_replace_reg): Revert last change. Continue to search
10149 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10152 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10154 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10155 aggregate types other than record and union types.
10156 (function_arg): Likewise.
10157 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10159 (function_value): In 64-bit mode, return objects that require it
10162 2006-04-11 Roger Sayle <roger@eyesopen.com>
10164 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10166 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10168 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10170 2006-04-03 Jeff Law <law@redhat.com>
10173 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10174 alias information too.
10176 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10178 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10180 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10183 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10184 (premark_used_types_helper): New.
10185 (premark_used_types): New.
10186 (gen_subprogram_die): Call premark_used_types.
10187 (prune_unused_types_walk): Do not prune perennial dies.
10188 * function.c (used_types_insert): New.
10189 * function.h (struct function): Add used_types_hash field.
10190 (used_types_insert): Add prototype.
10191 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10192 * c-parser.c (c_parser_cast_expression): Save casted types in used
10195 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10198 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10199 rs6000_explicit_options.float_gprs.
10201 2006-04-10 Roger Sayle <roger@eyesopen.com>
10203 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10204 from ix86_expand_vector_init_low_nonzero. Take an additional
10205 one_var argument indicating which element is non-zero. Support
10206 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10207 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10208 with one_var instead of ix86_expand_vector_init_low_nonzero.
10210 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10212 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10213 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10214 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10215 build/genextract.o): Depend on vecprim.h.
10216 * cfglayout.c, df-problems.c, function.c, genextract.c,
10217 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10218 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10222 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10224 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10225 Declare VECs of this type.
10226 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10227 (remove_children): Delete.
10228 (add_dwarf_attr): Use VEC routines.
10229 (add_AT_flag): Update for changes to add_dwarf_attr.
10230 (add_AT_int): Likewise.
10231 (add_AT_unsigned): Likewise.
10232 (add_AT_long_long): Likewise.
10233 (add_AT_vec): Likewise.
10234 (add_AT_string): Likewise.
10235 (add_AT_die_ref): Likewise.
10236 (add_AT_fde_ref): Likewise.
10237 (add_AT_loc): Likewise.
10238 (add_AT_loc_list): Likewise.
10239 (add_AT_addr): Likewise.
10240 (add_AT_lbl_id): Likewise.
10241 (add_AT_lineptr): Likewise.
10242 (add_AT_macptr): Likewise.
10243 (add_AT_offset): Likewise.
10244 (add_AT_range_list): Likewise.
10245 (get_AT): Use VEC_iterate.
10246 (remove_AT): Use VEC_ordered_remove.
10247 (free_die): Fold remove_children into here; have it use VEC_iterate.
10248 (print_die): Use VEC_iterate on attrs.
10249 (reverse_die_lists): Don't reverse attr lists.
10250 (die_checksum): Use VEC_iterate on attrs.
10251 (same_die_p): Likewise.
10252 (output_location_lists): Likewise.
10253 (build_abbrev_table): Likewise.
10254 (size_of_die): Likewise.
10255 (unmark_all_dies): Likewise.
10256 (output_abbrev_section): Likewise.
10257 (output_die): Likewise.
10258 (prune_unused_types_walk_attribs): Likewise.
10260 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10262 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10264 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10267 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10269 2006-04-09 Roger Sayle <roger@eyesopen.com>
10271 * expr.c (store_constructor): Don't bother clearing target if
10272 we're about to assign a vector to it using vec_init_optab.
10274 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10276 * tree-ssa-alias.c (lhs_may_store_to): New function.
10277 (recalculate_used_alone): Handle LHS of calls.
10279 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10283 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10284 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10285 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10286 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10287 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10288 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10289 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10290 stubs. Add ".align 8" directives before all ".dword" directives.
10291 (GTHREAD_USE_WEAK): Revise comment.
10292 (TARGET_ATTRIBUTE_WEAK): Define.
10293 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10294 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10295 * stublib.c: New file.
10300 * pa.md (cbranch patterns): Revise arguments used in calls to
10301 output_cbranch, output_bb and output_bvd. Add long branch length
10303 (fbranch patterns): Handle long branches.
10304 (jump): Revise length check. Revise arguments for output_lbranch call.
10305 Add long branch length attributes.
10306 (decrement_and_branch_until_zero): Add long branch length attributes.
10307 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10308 Likewise. Revise arguments for output_parallel_addb and
10309 output_parallel_movb calls.
10310 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10311 output_parallel_movb and output_parallel_addb): Update prototypes.
10312 * pa.c (output_cbranch): Revise arguments. Correct handling of
10313 nullification in long branches.
10314 (output_lbranch): Add new argument to control extraction of delay
10316 (output_bb): Handle long branches.
10317 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10318 output_parallel_addb): Likewise.
10320 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10322 PR rtl-optimization/27073
10323 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10326 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10328 * tree.h (tree_memory_tag): Add old_used_alone.
10329 (SMT_OLD_USED_ALONE): New macro.
10330 * tree-ssa-alias.c (recalculate_used_alone): Stop
10331 marking things for renaming unnecessarily.
10333 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10335 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10336 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10337 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10338 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10339 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10340 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10341 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10342 spelling convensions.
10343 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10344 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10345 typos. Follow spelling conventions.
10347 2006-04-07 DJ Delorie <dj@redhat.com>
10349 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10350 passed on the stack.
10351 (m32c_init_cumulative_args): When a function returns a structure,
10352 always pass the pointer to that return area on the stack.
10353 (m32c_function_arg_advance): Don't increment the parameter number
10354 if we're processing the returned structure pointer.
10355 (pushm_info): Reverse order of registers.
10357 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10359 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10360 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10361 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10362 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10363 build_int_cst_type.
10364 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10365 chrec_fold_multiply): Same.
10366 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10367 force_expr_to_var_cost): Same.
10368 * tree-mudflap.c (mf_xform_derefs_1): Same.
10369 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10371 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10373 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10374 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10377 2006-04-07 Jan Hubicka <jh@suse.cz>
10379 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10381 2006-04-07 Richard Guenther <rguenther@suse.de>
10383 PR tree-optimization/26135
10384 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10385 loads for store copy-prop.
10386 (copy_prop_visit_stmt): Likewise.
10388 2006-04-05 Robert Millan <robertmh@gnu.org>
10390 * config/i386/linux.h: Add a comment to mark macros that are
10391 being overriden in config/k*bsd-gnu.h.
10392 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10394 * config/knetbsd-gnu.h: Ditto.
10396 2006-04-06 Jan Hubicka <jh@suse.cz>
10400 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10403 2006-04-06 Mike Stump <mrs@apple.com>
10405 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10406 for HAVE_nonlocal_goto to be consistent.
10407 (expand_builtin_nonlocal_goto): Likewise.
10408 (expand_builtin_strcmp): Use #ifdef instead of #if
10409 for HAVE_cmpstrnsi to be consistent.
10411 2006-04-05 DJ Delorie <dj@redhat.com>
10413 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10416 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10418 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10419 got-relative addressing for anything but SImode.
10421 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10422 even if the calling function doesn't modify them.
10424 2006-04-05 Richard Guenther <rguenther@suse.de>
10426 PR tree-optimization/26919
10427 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10428 to cgraph_estimate_size_after_inlining.
10430 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10432 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10434 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10436 PR tree-optimization/26996
10437 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10438 VECTOR_TYPE variables.
10440 2006-04-05 Richard Guenther <rguenther@suse.de>
10442 PR tree-optimization/26763
10443 * fold-const.c (fold_comparison): Move folding of
10444 PTR + CST CMP PTR + CST ...
10445 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10447 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10449 * doc/install.texi (Prerequisites): Refine some wording on
10450 bootstrapping and ksh.
10451 Move the version numbers of DejaGnu here from the testing section
10452 and fix casing of names.
10453 Fix markup and clarify wording for autogen requirements.
10454 Refer to GCJ instead of just java.
10455 Refer to SVN instead of CVS.
10456 Describe diffutils as useful instead of necessary.
10457 (Downloading the source): Refer to SVN instead of CVS.
10458 Adjust a link to our web site accordingly.
10459 (Configuration): Fix casing of Bison.
10460 (Building): Refer to SVN instead of CVS.
10461 Fix a sentence on the use of Bison and remove duplicate (and
10462 incorrect) version number of Bison requirement.
10463 Remove one redundant list of packages needed for building.
10464 (Specific): Avoid reference to CVS.
10466 2006-04-04 Eric Christopher <echristo@apple.com>
10468 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10469 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10470 (rs6000_handle_struct_attribute): New.
10471 (rs6000_ms_bitfield_layout_p): Ditto.
10473 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10475 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10476 NULL for dso parameter to atexit_common.
10478 2006-04-04 Eric Christopher <echristo@apple.com>
10480 * config/i386/i386.c (machopic_output_stub): Output \t
10481 between instructions and operands.
10483 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10485 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10486 satisfies_constraint_[IL] to explicit tests on value.
10488 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10490 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10491 set_nb_iterations_in_loop): Use build_int_cst instead of
10492 build_int_cst_type.
10493 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10494 build_int_cst instead of convert.
10496 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10498 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10499 new value 2 for incoming.
10500 * function.c (expand_function_start): Call struct_value_rtx
10501 with incoming as 2.
10502 * config/sparc/sparc.md: Comment updated_return.
10503 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10504 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10505 struct return if sparc_std_struct_return and incoming is 2.
10506 (print_operand): Do not adjust return if
10507 sparc_std_struct_return.
10509 2006-04-04 Roger Sayle <roger@eyesopen.com>
10511 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10512 convert in the middle-end.
10513 * expr.c (store_expr, store_constructor, get_inner_reference,
10514 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10516 * tree.c (build_range_type): Likewise.
10518 2006-04-04 Tom Tromey <tromey@redhat.com>
10520 * doc/install.texi (Prerequisites): Mention jar.
10522 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10524 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10527 2006-04-04 Matthias Klose <doko@debian.org>
10529 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10533 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10536 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10538 * doc/extend.texi (Function Attributes): Rewrite visibility
10539 attribute documentation.
10540 * doc/invoke.texi (C++ Dialect Options): Rewrite
10541 -fvisibility-inlines-hidden documentation to describe something
10542 entirely different, although in practise compatible.
10543 (Code Gen Options): Warn about system headers in -fvisibility=
10546 * doc/extend.texi (Other Builtins): Document that
10547 __builtin_nan is a compile-time constant only when its argument
10550 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10552 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10553 trying to remove TRUNCATE check if all bits outside the new mode
10554 are identical to the sign bit.
10556 2006-04-03 Jeff Law <law@redhat.com>
10558 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10559 and operand scanning in some common cases.
10561 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10562 Dale Johannesen <dalej@apple.com>
10565 * regclass.c (struct reg_pref): Update documentation.
10566 (regclass): Set prefclass to NO_REGS if memory is the best option.
10567 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10568 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10569 into account. For non-registers, equate an empty preferred
10570 reload class to a `!' in the constraint; move the if clause to
10571 do so after those that reject the insn.
10572 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10574 (find_dummy_reload): Likewise.
10575 * doc/tm.texi (Register Classes): Document what it means
10576 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10577 * config/i386/i386.c (ix86_preferred_reload_class): Force
10578 using SSE registers (and return NO_REGS for floating-point
10579 constants) if math is done with SSE.
10580 (ix86_preferred_output_reload_class): New.
10581 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10582 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10583 * config/i386/i386.md: Remove # register preferences.
10585 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10588 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10589 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10590 the type of nb_iter.
10591 (instantiate_parameters_1): Convert the operands before calling
10592 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10593 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10595 2006-04-02 Roger Sayle <roger@eyesopen.com>
10597 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10598 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10599 instead of convert.
10600 * dojump.c (do_jump): Likewise.
10601 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10602 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10603 gimplify_boolean_expr): Likewise.
10604 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10605 * varasm.c (array_size_for_constructor): Likewise.
10606 * tree-object-size.c (compute_object_offset): Likewise.
10608 2006-04-02 Roger Sayle <roger@eyesopen.com>
10610 PR middle-end/26977
10611 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10612 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10614 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10616 PR tree-optimization/26939
10617 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10619 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10621 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10622 at_stmt. Convert the type of operands before calling
10623 build_polynomial_chrec.
10624 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10625 add_to_evolution_1.
10626 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10627 (instantiate_parameters_1): Convert the type of operands before calling
10628 build_polynomial_chrec.
10629 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10630 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10631 reset_evolution_in_loop): Insert asserts to check the types of the
10633 (chrec_type): Moved...
10634 (eq_evolutions_p): Use operand_equal_p.
10635 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10636 the types of the operands.
10637 (chrec_type): ...here.
10638 * tree-data-ref.c (create_data_ref): Convert the operands before
10639 calling chrec_replace_initial_condition.
10640 (same_access_functions, analyze_subscript_affine_affine,
10641 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10642 (compute_subscript_distance, analyze_ziv_subscript,
10643 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10644 analyze_miv_subscript): Convert the operands before calling
10645 chrec_fold_minus or chrec_fold_plus.
10647 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10649 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10650 the dependence_relations vector.
10651 (compute_data_dependences_for_loop): Adjust call to
10652 compute_all_dependences.
10654 2006-04-01 Roger Sayle <roger@eyesopen.com>
10655 Richard Henderson <rth@redhat.com>
10657 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10658 gimple_boolify on the condition before calling gimplify_expr.
10660 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10662 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10663 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10664 the frame size. Update to use the new macros.
10665 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10666 * config/xtensa/ieee754-df.S: Likewise.
10668 2006-03-31 Richard Henderson <rth@redhat.com>
10670 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10671 (make_edges): ... here. Control fallthru creation with a local
10672 variable. Do not play with fake edges.
10673 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10674 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10677 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10679 * dwarf2.h (DW64_CIE_ID): Define.
10680 * dwarf2out.c (DWARF_CIE_ID): Define.
10681 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10682 length header. Use DWARF_CIE_ID.
10683 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10684 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10686 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10688 * config/sh/linux-atomic.asm: New file.
10689 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10691 2006-03-31 DJ Delorie <dj@redhat.com>
10693 * config/m32c/cond.md: Set condition flags properly throughout.
10694 * config/m32c/minmax.md: Likewise.
10695 * config/m32c/prologue.md: Likewise.
10696 * config/m32c/bitops.md: Likewise.
10697 * config/m32c/muldiv.md: Likewise.
10698 * config/m32c/mov.md: Likewise.
10699 * config/m32c/addsub.md: Likewise.
10700 * config/m32c/m32c.md: Likewise.
10701 * config/m32c/jump.md: Likewise.
10702 * config/m32c/shift.md: Likewise.
10704 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10705 conditionally output the pattern for this.
10706 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10707 (m32c_compare_redundant): New.
10708 (m32c_output_compare): New.
10709 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10711 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10712 dest, not src. Allow other 4-byte modes.
10714 2006-03-30 Denis Chertykov <denisc@overta.ru>
10716 * doc/md.texi: Refer to avr/constraints.md instead of
10719 2006-03-30 Roger Sayle <roger@eyesopen.com>
10721 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10722 signed vs. unsigned comparison failures on some hosts.
10724 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10727 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10728 change to FLOAT_REGS.
10730 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10731 (rs6000_override_options): Use it.
10732 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10733 only for -mabi=spe/no-spe and -mabi=altivec.
10735 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10737 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10740 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10742 * Makefile.in: Rename docdir to gcc_docdir.
10744 2006-03-30 Roger Sayle <roger@eyesopen.com>
10747 * expr.c (emit_group_store): Optimize group stores into a pseudo
10748 register by using a paradoxical subreg to initialize the destination
10749 if the first or last member of the group specifies a "low part".
10751 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10754 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10755 * target.h (struct gcc_target.speculate_insn): Change type of the
10756 second parameter to 'int'.
10757 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10758 the second operand of the DEPS_LIST.
10759 (copy_DEPS_LIST_list): Update reference to the second operand of the
10761 * rtl.h (alloc_DEPS_LIST): Update signature.
10762 * sched-int.h (ds_t): Change typedef to 'int'.
10763 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10765 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10767 * haifa-sched.c (try_ready): Change condition to restore
10768 non-speculative pattern of the instruction.
10769 (process_insn_depend_be_in_spec): Code to keep probability of the
10770 speculative dependence non-decreasing.
10772 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10774 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10775 (single_move_for_movmem): ... this. Also change all uses.
10776 (bfin_expand_strmov): Renamed to...
10777 (bfin_expand_movmem): ... this. Also change all uses.
10778 * config/bfin/bfin.md (movstrsi): Renamed to...
10779 (movstrsi): ...this.
10781 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10783 PR tree-optimization/26830
10785 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10786 (copy_prop_visit_stmt): Remove write-only variable ann.
10787 (init_copy_prop): Check variable loop depth here. Do not simulate
10788 memory-tag and virtual operand PHIs except for store copy prop.
10790 2006-03-30 Richard Guenther <rguenther@suse.de>
10792 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10793 variants with double arguments.
10795 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10797 * genpreds.c (write_tm_constrs_h): Delete variable p.
10798 * genconditions.c (write_header): Add tm-constrs.h to included
10800 * genpeep.c (main): Add toplev.h to included headers.
10801 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10802 (build/genpeep.o): Add toplev.h dependency.
10803 * config/rs6000/constraints.md: Add "W" constraint.
10805 2006-03-29 Roger Sayle <roger@eyesopen.com>
10807 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10808 sizes by correctly testing whether the size fits a host integer.
10809 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10810 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10811 SImode range for the default sizetype and bitsizetype.
10813 2006-03-29 Roger Sayle <roger@eyesopen.com>
10815 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10816 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10817 quickly if the argument is already of the correct type.
10818 Call fold_build1 instead of build1. Tidy up blank lines.
10820 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10822 * genemit.c (main): Add tm-constrs.h to included headers.
10823 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10824 * genpeep.c (main): Add tm-constrs.h to included headers.
10825 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10826 (write_tm_constrs_h): this and write complete file.
10827 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10828 (write_insn_preds_c): Add tm-constrs.h to included headers.
10829 (gen_constrs): New variable.
10830 (parse_option): Parse "-c".
10831 (main): Invoke write_tm_constrs_h.
10832 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10833 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10834 (object_out_file): Add tm-constrs.h dependency.
10835 (insn-emit.o): Same.
10836 (insn-output.o): Same.
10837 (insn-peep.o): Same.
10838 (insn-preds.o): Same.
10839 (insn-recog.o): Same.
10840 (tm-constsr.h): New target.
10841 (s-constrs-h): New target.
10843 * config/rs6000/constraints.md: New file.
10844 * config/rs6000/rs6000.c: Include tm-constrs.h.
10845 (num_insn_constant_wide): Convert to satisfies_constraint.
10846 (rs6000_rtx_costs): Convert to satisfies_constraint.
10847 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10848 (CONST_OK_FOR_LETTER_P): Delete.
10849 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10850 (EXTRA_CONSTRAINT): Delete.
10851 (EXTRA_MEMORY_CONSTRAINT): Delete.
10852 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10853 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10854 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10855 satisfies_constraint.
10857 * config/i386/i386.c: Include tm-constrs.h.
10859 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10861 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10862 * tree-data-ref.c (find_data_references_in_loop,
10863 compute_data_dependences_for_loop): Use pointers to VEC.
10864 (analyze_all_data_dependences): Adjust calls.
10865 * tree-data-ref.h (find_data_references_in_loop,
10866 compute_data_dependences_for_loop): Adjust declarations.
10867 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10868 compute_data_dependences_for_loop.
10870 2006-03-29 Paul Brook <paul@codesourcery.com>
10872 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10873 (movdf_vfp): Ditto.
10875 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10877 PR tree-optimization/26859
10878 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10880 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10881 for the step after fold_convert.
10883 2006-03-29 Paul Brook <paul@codesourcery.com>
10885 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10886 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10888 2006-03-29 Paul Brook <paul@codesourcery.com>
10890 PR middle-end/23623
10891 * targhooks.c (default_narrow_bitfield): New fuction.
10892 * targhooks.h (default_narrow_bitfield): add prototype.
10893 * target.h (gcc_target): Add narrow_volatile_bitfield.
10894 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10895 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10896 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10897 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10899 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10901 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10903 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10904 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10905 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10906 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10907 (s390_function_arg_float): Allow SDmode and DDmode values to be
10908 passed in floating point registers.
10909 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10910 check with SCALAR_FLOAT_MODE_P.
10911 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10913 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10915 PR tree-optimization/25985
10916 * tree-ssa-loop-niter.c (number_of_iterations_le,
10917 number_of_iterations_ne): Make comments more precise.
10918 (number_of_iterations_cond): Add only_exit argument. Use the
10919 fact that signed variables do not overflow only when only_exit
10921 (loop_only_exit_p): New.
10922 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10923 number_of_iterations_cond.
10925 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10927 PR tree-optimization/26643
10928 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10931 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10933 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10934 (divsi3_i4_int): Likewise.
10936 2006-03-28 Roger Sayle <roger@eyesopen.com>
10938 * expr.c (emit_group_store): Only create a new pseudo reg if the
10939 quantity it needs to hold isn't already a suitable pseudo.
10941 2006-03-28 Jeff Law <law@redhat.com>
10943 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10944 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10946 2006-03-28 Roger Sayle <roger@eyesopen.com>
10948 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10949 the equivalent ~X & Y, and the symmetry related transformations.
10950 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10951 ~X & Y, and symmetry related transforms.
10953 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10955 Revert my 2006-03-27 patches.
10957 2006-03-28 Roger Sayle <roger@eyesopen.com>
10959 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10960 ~(T1)X, when T1 and T2 are integer types of the same precision
10961 and (T2)X isn't an extension.
10963 2006-03-28 Jeff Law <law@redhat.com>
10965 PR tree-optimization/26796
10966 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10967 need EH edge cleanups rather than purging them immediately.
10968 (eliminate_degenerate_phis): Handle queued EH cleanups.
10970 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10972 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10975 2006-03-27 Roger Sayle <roger@eyesopen.com>
10977 PR middle-end/22524
10978 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10979 cast BIT_NOT_EXPR operand to the correct type.
10981 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10983 * tree-loop-linear.c: Don't include varray.h.
10984 (gather_interchange_stats, try_interchange_loops,
10985 linear_transform_loops): Use VEC instead of VARRAY.
10986 * lambda-mat.c: Don't include varray.h.
10987 * tree-chrec.c: Same.
10988 * lambda-trans.c: Same.
10989 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10990 VEC instead of VARRAY.
10991 * tree-vectorizer.h: Idem.
10992 * tree-data-ref.c (dump_data_references,
10993 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10994 initialize_data_dependence_relation, finalize_ddr_dependent,
10995 compute_all_dependences, find_data_references_in_loop,
10996 compute_data_dependences_for_loop, analyze_all_data_dependences,
10997 free_dependence_relation, free_dependence_relations,
10998 free_data_refs): Idem.
10999 * tree-data-ref.h (data_reference_p, subscript_p): New.
11000 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11001 VEC instead of VARRAY.
11002 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11003 (find_data_references_in_loop, compute_data_dependences_for_loop,
11004 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11005 dump_data_dependence_relations, free_dependence_relations,
11006 free_data_refs): Adjust declaration.
11007 (lambda_transform_legal_p): Move declaration here...
11008 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11009 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11010 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11011 vect_analyze_data_refs): Use VEC instead of VARRAY.
11012 * lambda.h (lambda_transform_legal_p): ...from here.
11013 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11014 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11015 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11016 tree-chrec.o): Don't depend on VARRAY_H.
11018 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11020 * rtl.def (Copyright): Update date.
11021 (DEPS_LIST): Change type of the second operand to 'int'.
11022 * target.h (Copyright): Update date.
11023 (struct gcc_target.speculate_insn): Change type of the second parameter
11025 * lists.c (Copyright): Update date.
11026 (alloc_DEPS_LIST): Change signature. Update reference to the second
11027 operand of the DEPS_LIST.
11028 (copy_DEPS_LIST_list): Update reference to the second operand of the
11030 * rtl.h (Copyright): Update date.
11031 (alloc_DEPS_LIST): Update signature.
11032 * sched-int.h (Copyright): Update date.
11033 (ds_t): Change typedef to 'int'.
11034 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11036 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11038 * haifa-sched.c (Copyright): Update date.
11039 (try_ready): Change condition to restore non-speculative pattern
11040 of the instruction.
11041 (process_insn_depend_be_in_spec): Code to keep probability of the
11042 speculative dependence non-decreasing.
11044 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11046 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11047 shut up the compiler.
11049 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11051 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11052 to use lib prefix for target.
11053 ($(T)libic_invalidate_array_4-200.a): Likewise.
11054 ($(T)libic_invalidate_array_4a.a): Likewise.
11056 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11057 J"orn Rennecke <joern.rennecke@st.com>
11059 * superh.opt: New file.
11060 * sh.c (boardtype, osruntime): Remove.
11061 * superh.h (SUBTARGET_OPTIONS): Remove.
11062 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11064 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11065 arguments with ^ and/or [].
11067 * config.gcc (sh-*-*): Add quoting to account for quirk of
11069 Replace == with = in enable_incomplete_targets test.
11071 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11072 with MASK_LITTLE_ENDIAN.
11074 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11075 * config/sh/sh.opt: Added to some comments.
11076 * config/sh/superh.h: Removed some chaff.
11078 * config/sh/sh.opt: Add m4-[1234]00* options.
11079 * config/sh/sh.c (sh_handle_option): Likewise.
11080 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11081 (ic_invalidate_array_4-100.o): New rule.
11082 ($(T)libic_invalidate_array_4-100.a): Likewise.
11083 (ic_invalidate_array_4-200.o): Likewise.
11084 ($(T)libic_invalidate_array_4-200.a): Likewise.
11085 (ic_invalidate_array_4a.o): Likewise.
11086 ($(T)libic_invalidate_array_4a.a): Likewise.
11087 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11088 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11090 * config/sh/crt1.asm: Merged in profiling code.
11091 * config/sh/superh.h (STARTFILE_SPEC): Override.
11092 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11093 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11094 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11096 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11097 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11098 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11100 * sh.opt (mpretend-cmove): New option.
11101 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11102 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11103 (movsicc): Add TARGET_PRETEND_CMOVE code.
11105 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11107 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11108 s390_class_max_nregs): New function prototypes.
11109 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11110 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11111 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11112 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11114 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11116 * dwarf2out.c (add_location_or_const_value_attribute): Call
11117 tree_add_const_value_attribute if nothing else works.
11118 (reference_to_unused): New.
11119 (rtl_for_decl_init): Use reference_to_unused to decide whether
11120 to output an initializer.
11122 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11125 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11126 peephole removing spe frob_di_df_2.
11128 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11130 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11131 (subscript_dependence_tester_1): Declared.
11132 (print_dir_vectors, print_dist_vectors): New.
11133 (debug_data_dependence_relation): New.
11134 (dump_data_dependence_relation): Print more details.
11135 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11136 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11137 (save_dist_v, save_dir_v, add_outer_distances,
11138 build_classic_dist_vector_1): New.
11139 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11140 Don't test for lambda_vector_lexico_pos.
11141 (same_access_functions, add_multivariate_self_dist,
11142 add_other_self_distances, dir_from_dist): New.
11143 (build_classic_dir_vector): Replace implementation almost identical to
11144 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11146 (subscript_dependence_tester_1): New.
11147 (subscript_dependence_tester): Handle the lexicographically negative
11148 distance vectors by recomputing the dependence relation.
11149 (compute_affine_dependence): Remove parameter loop_nest_depth.
11150 (compute_self_dependence): Don't call compute_subscript_distance.
11151 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11152 Add a parameter for the loop_nest.
11153 (find_loop_nest_1, find_loop_nest): New.
11154 (compute_data_dependences_for_loop): Compute the loop nest, and give
11155 up if the nest is not well formed.
11156 * tree-data-ref.h (loop_p): New.
11157 (struct data_dependence_relation): Replace size_vect field with
11158 loop_nest, a vec of loops.
11159 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11160 (DDR_LOOP_NEST): New.
11161 (print_dir_vectors, print_dist_vectors,
11162 debug_data_dependence_relation): Declared.
11163 (index_in_loop_nest): New.
11164 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11165 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11168 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11170 * simplify-rtx.c (simplify_relational_operation): Call
11171 simplify_relational_operation_1 even if mode is VOIDmode.
11173 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11175 PR tree-optimization/26804
11176 * tree.h (DECL_CALL_CLOBBERED): New macro.
11177 (tree_decl_common): Add call_clobbered_flag.
11178 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11179 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11180 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11181 (mark_non_addressable): Ditto.
11182 * tree-ssa.c (verify_call_clobbered): New function.
11183 (verify_alias_info): Use it.
11184 * tree-pass.h (pass_reset_cc_flags): New prototype.
11185 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11186 (reset_cc_flags): New function.
11187 * passes.c (init_optimization_passes): Call reset_cc_flags after
11188 initializing referenced_vars.
11190 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11191 Roger Sayle <roger@eyesopen.com>
11193 PR middle-end/26717
11194 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11195 to 1.0 for non-real operands. Implement A / A optimization for
11198 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11200 * config/i386/i386.c (size_cost): Correct the comment for
11201 cost of storing fp registers.
11202 (i386_cost): Likewise.
11203 (i486_cost): Likewise.
11204 (pentium_cost): Likewise.
11205 (pentiumpro_cost): Likewise.
11206 (k6_cost): Likewise.
11207 (athlon_cost): Likewise.
11208 (k8_cost): Likewise.
11209 (pentium4_cost): Likewise.
11210 (nocona_cost): Likewise.
11211 (generic64_cost): Likewise.
11212 (generic32_cost): Likewise.
11214 2006-03-24 Denis Chertykov <denisc@overta.ru>
11216 * config/avr/avr-protos.h (extra_constraint): Delete.
11217 (extra_constraint_Q): New declaration.
11218 * config/avr/constraints.md: New file.
11219 * config/avr/avr.md: Include it.
11220 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11221 (TMP_REGNO, ZERO_REGNO): Likewise.
11222 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11223 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11224 (extra_constraint): Delete.
11225 (extra_constraint_Q): Test for memory constraint 'Q'.
11226 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11227 (REG_CLASS_FROM_LETTER): Delete.
11228 (CONST_OK_FOR_LETTER_P): Delete.
11229 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11230 (EXTRA_CONSTRAINT): Delete.
11231 (TMP_REGNO): Delete.
11232 (ZERO_REGNO): Delete.
11234 2006-03-24 Jeff Law <law@redhat.com>
11236 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11237 directly. Call mark_new_vars_to_rename slightly earlier.
11239 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11241 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11242 (is_cxx): Likewise.
11243 (gen_compile_unit_die): Use new language types for Objective-C and
11245 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11246 DW_LANG_C_plus_plus.
11249 * config/t-darwin (crt3.o): Work around bug 26840.
11250 * config/darwin-crt3.c: Rewrite.
11251 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11253 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11255 * doc/invoke.texi: Document -femit-class-debug-always
11256 * common.opt: Add -femit-class-debug-always.
11258 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11260 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11261 index and base register.
11262 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11263 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11264 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11265 REGNO_OK_FOR_INDEX_P.
11266 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11268 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11269 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11270 REG_OK_FOR_BASE_P): Definitions removed.
11272 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11274 PR middle-end/26611
11275 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11276 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11277 set yet or weren't marked as local yet.
11279 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11281 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11284 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11286 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11287 (rs6000_legitimate_small_data_p): Delete.
11288 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11289 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11290 and make static. Add forward declaration. Update uses.
11291 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11292 of offsettable_memref_p.
11293 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11294 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11296 2006-03-24 Jeff Law <law@redhat.com>
11298 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11299 around bug in immediate-use iterator.
11301 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11304 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11305 or __LITTLE_ENDIAN__.
11307 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11309 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11310 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11311 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11312 * config/sh/sh.opt (mdiv=): Amend description.
11313 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11314 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11315 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11316 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11317 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11318 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11319 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11320 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11321 TARGET_DIVIDE_CALL_FP.
11323 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11325 * haifa-sched.c (choose_ready): Fix type of the local variable.
11326 Move local variables. Add comment.
11327 (check_reg_live): Change signature. Make callable from debugger.
11328 * sched-int.h (check_reg_live): Update signature.
11329 * sched-ebb.c (check_reg_live): Update parameters.
11330 * sched-rgn.c (check_reg_live): Ditto.
11331 (region_head_or_leaf_p): Check pointer before dereferencing.
11332 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11333 before reload on optimization levels below 1.
11335 2006-03-23 Richard Henderson <rth@redhat.com>
11337 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11341 * config/alpha/predicates.md (local_symbolic_operand): Reject
11344 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11347 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11348 expressions which have overflowed constants.
11350 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11352 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11354 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11356 * cfgloopmanip.c (create_loop_notes): Removed.
11357 * final.c (final_scan_insn): Do not handle loop notes.
11358 * jump.c (squeeze_notes): Ditto.
11359 * cfglayout.c (skip_insns_after_block,
11360 duplicate_insn_chain): Ditto.
11361 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11363 * cfgloop.h (create_loop_notes): Declaration removed.
11365 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11367 * varasm.c (output_constant_pool): Restore fnname and fndecl
11369 (assemble_start_function): Adjust call accordingly.
11370 (assemble_end_function): Likewise.
11372 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11375 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11378 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11380 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11383 * system.h (ICE_EXIT_CODE): New macro.
11384 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11385 (diagnostic_action_after_output): Likewise.
11386 * gcc.c (fatal_ice): New function.
11387 (execute): Use it instead of fatal.
11388 (fancy_abort): Likewise.
11389 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11391 2006-03-22 Jeff Law <law@redhat.com>
11393 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11394 iv_analyze_result returning false.
11396 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11398 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11400 2006-03-22 Richard Henderson <rth@redhat.com>
11402 PR middle-end/26084
11403 * except.c (duplicate_eh_regions_0): New.
11404 (duplicate_eh_region_1): Duplicate the children of the node as
11405 well as the node itself. Link them up properly.
11406 (duplicate_eh_region_2): Merge into ...
11407 (duplicate_eh_regions): ... here. Take copy_region argument, and
11408 copy only a sub-tree if asked. Simplify copying and fixup.
11409 (eh_region_outer_p): New.
11410 * except.h (duplicate_eh_regions): Update decl.
11411 (eh_region_outer_p): Declare.
11412 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11413 (lower_omp_master): Likewise.
11414 (lower_omp_ordered): Likewise.
11415 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11416 (move_stmt_r): Use it to remap labels. Handle recursion vs
11417 remap_decls_p properly.
11418 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11419 (find_outermost_region_in_block): New.
11420 (new_label_mapper): New.
11421 (move_sese_region_to_fn): Copy eh information to the new function
11423 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11425 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11428 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11430 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11431 into shared libraries.
11433 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11435 * doc/md.texi: Refer to i386/constraints.md instead of
11436 i386/predicates.md.
11437 * config/i386/constraints.md: New file, extracted from...
11438 * config/i386/predicates.md: ...here.
11439 * config/i386/i386.md: Include constraints.md.
11441 2006-03-21 Jason Merrill <jason@redhat.com>
11443 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11445 PR middle-end/20297
11446 * expr.c (init_block_move_fn): Force default visibility.
11447 (init_block_clear_fn): Likewise.
11448 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11449 * targhooks.c (default_external_stack_protect_fail): Likewise.
11451 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11453 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11454 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11455 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11456 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11457 (loadgp): Use mips_current_loadgp_style.
11458 (loadgp_noshared): New pattern.
11459 (sibcall_internal): Use MIPS_CALL.
11460 (sibcall_value_internal): Likewise.
11461 (sibcall_value_multiple_internal): Likewise.
11462 (call_internal): Likewise.
11463 (call_value_internal): Likewise.
11464 (call_value_multiple_internal): Likewise.
11465 (call_split): Use MIPS_CALL and add an 'S' constraint.
11466 (call_value_split): Likewise.
11467 (call_value_multiple_split): Likewise.
11468 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11469 (-mshared): New option.
11470 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11471 (mips_current_loadgp_style): Declare.
11472 * config/mips/mips.c (mips_classify_symbol): Avoid using
11473 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11474 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11475 TARGET_ABSOLUTE_ABICALLS.
11476 (override_options): Adjust comments. Improve the warning that is
11477 issued when -mabicalls and -G are used together.
11478 (mips_file_start): Remove comment.
11479 (mips_current_loadgp_style): New function.
11480 (mips_gnu_local_gp): New variable.
11481 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11483 (mips_output_function_prologue): Use mips_current_laodgp_style.
11484 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11485 the cprestore instruction.
11486 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11487 live for TARGET_ABSOLUTE_ABICALLS.
11488 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11489 (ASM_SPEC): Pass down -mshared and -mno-shared.
11490 (MIPS_CALL): New macro.
11491 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11493 * doc/invoke.texi (-mabicalls): Update documentation.
11494 (-mshared): Document.
11496 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11498 * config/ia64/unwind-hpux.c: New file.
11499 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11501 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11504 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11506 2006-03-21 Jeff Law <law@redhat.com>
11508 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11509 type conversions of a VR_VARYING source to a wider type.
11511 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11513 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11514 tm_file on Solaris 10 and later.
11515 (sparc64-*-solaris2*): Likewise.
11516 (sparc-*-solaris2*): Likewise.
11517 * config/sol26.h: Rename to config/sol2-6.h.
11518 * config/sol2-10.h: New file.
11520 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11523 * tree-ssa-pre.c (create_component_ref_by_pieces):
11526 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11529 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11530 return it immediately.
11532 2006-03-21 Michael Matz <matz@suse.de>
11534 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11536 (remove_arc, add_arc): Update num_out_arcs member.
11537 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11539 (cache_presence): New function.
11540 (compare_states_for_equiv): New function.
11541 (state_is_differed): Don't take number of outargs, adjust callers.
11542 Use new invariant for speeding up.
11543 (init_equiv_class): Create initial classes based on sorted
11545 (partition_equiv_class): Don't track out_arcs_num.
11546 (evaluate_equiv_classes): Call cache_presence on all states and
11549 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11551 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11552 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11553 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11554 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11556 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11557 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11558 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11559 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11560 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11562 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11563 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11564 (REGNO_REG_CLASS): ARGP is in PREGS.
11565 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11567 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11568 to deal with those addresses.
11569 * addresses.h: New file.
11570 * caller-save.c: Include "addresses.h".
11571 (init_caller_save): Use new base_reg_class function.
11572 * rtl-factoring.c: Include "addresses.h".
11573 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11574 * recog.c: Include "addresses.h".
11575 (preprocess_constraints): Use new base_reg_class function.
11576 * regrename.c: Include "addresses.h".
11577 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11578 functions. Keep track of a new var INDEX_CODE to compute valid
11580 (replace_oldest_value_addr): Likewise.
11581 (replace_oldest_value_mem): Use base_reg_class.
11582 * reload.c: Include "addresses.h".
11583 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11584 (find_reloads): Use new base_reg_class function.
11585 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11586 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11587 all callers and prototype changed.
11588 * reload1.c: Include "addresses.h".
11589 (maybe_fix_stack_asms): Use base_reg_class.
11590 * regclass.c: Include "addresses.h".
11591 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11592 (init_reg_autoinc): Use new base_reg_class function.
11593 (record_reg_classes): Likewise.
11594 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11595 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11596 Use new args to compute necessary class.
11598 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11599 regrename.o, rtl-factoring.o): Update dependencies.
11600 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11601 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11602 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11603 REG_OK_FOR_INDEX_P): Delete documentation.
11605 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11607 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11608 from V7 to V9 for Solaris 7 and above.
11610 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11612 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11613 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11614 argument pointers may not alias any other storage.
11615 * common.opt: Define option -fargument-noalias-anything.
11616 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11617 alias semantics is specified by flag_argument_noalias > 2.
11619 2006-03-20 Jeff Law <law@redhat.com>
11621 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11622 (pass_phi_only_cprop): Declare.
11623 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11624 with phi_only_cprop
11625 * tree-ssa-dom.c (degenerate_phi_result): New function.
11626 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11627 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11628 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11629 (eliminate_degenerate_phis): Likewise.
11630 (pass_phi_only_cprop): New pass descriptor.
11631 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11632 support code. Callers updated.
11633 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11634 (store_copy_prop): Likewise.
11635 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11637 2006-03-20 Jason Merrill <jason@redhat.com>
11640 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11641 (push_visibility, pop_visibility): Likewise.
11642 * c-pragma.h: Declare them.
11644 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11646 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11648 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11649 parameter and use get_ebb_head_tail.
11650 (sh_md_init_global): Adjust uses of find_regmode_weight.
11652 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11654 * function.h (struct function) <x_tail_recursion_reentry>:
11655 Rename to x_stack_check_probe_note.
11656 (tail_recursion_reentry): Rename to stack_check_probe_note.
11657 * function.c: Replace tail_recursion_reentry with
11658 stack_check_probe_note everywhere.
11659 (expand_function_start): Only emit a note for
11660 stack_check_probe_note with -fstack-protect.
11661 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11663 * emit-rtl.c (remove_unnecessary_notes): Remove.
11664 (pass_remove_unnecessary_notes): Remove.
11665 * rtl.h (remove_unnecessary_notes): Remove prototype.
11666 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11667 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11668 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11670 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11673 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11674 (valid_in_set): Handle ARRAY_REF.
11675 Change "if min_variant or VH" to asserts.
11676 (create_component_ref_by_pieces): Handle ARRAY_REF.
11677 (create_expression_by_pieces): Likewise.
11678 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11680 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11682 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11683 is operand of switch, not str[0].
11685 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11687 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11688 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11690 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11692 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11693 end of insn_extra_address_constraint declaration.
11695 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11697 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11698 (no-sum-in-toc): Same.
11699 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11701 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11702 NO_FP_IN_TOC for -fPIC instead of mask.
11704 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11705 (BOOT_LDFLAGS): Delete.
11707 * config/rs6000/t-aix52: Same.
11709 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11710 (stmsi[345678]_power): New.
11712 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11714 * config/ia64/ia64.opt: Add empty line to end of file.
11716 2006-03-17 Richard Guenther <rguenther@suse.de>
11718 PR middle-end/26721
11719 * builtins.c (get_pointer_alignment): For component style references
11720 adjust alignment to the component type alignment. Make sure
11721 to adjust alignment for component access of constants.
11723 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11725 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11726 unconditional jump.
11728 2006-03-17 Paul Brook <paul@codesourcery.com>
11730 * doc/install.texi: Docuemnt --with-mode.
11731 * config.gcc: Add --with-mode for arm*-*-*.
11732 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11734 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11736 * sh.c (max_labelno_before_reorg): New variable.
11737 (sh_reorg): Initialize it.
11738 (find_barrier): Check max_labelno_before_reorg before using
11739 label_to_alignment. Take length of explicit alignment insns
11740 into account. When seeing a UNSPECV_CONST_END, return it.
11742 * sh.c (fixup_mova): Set mode of affected label to QImode.
11743 (untangle_mova): New function.
11744 (find_barrier): Use it. Check mode of label before decrementing
11746 (sh_reorg): Likewise.
11747 Set mode of all insns back to VOIDmode.
11749 * sh.c (MOVA_LABELREF): New macro.
11750 (mova_p, fixup_mova, sh_reorg): Use it.
11751 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11752 ADDR_DIFF_VEC matches mova.
11754 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11756 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11757 with ATTRIBUTE_UNUSED.
11759 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11761 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11762 pointer, instead of assuming it is possible to derive the
11763 correct args size from a call insn.
11765 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11767 * rtl.h (CONST_INT_P): Define.
11768 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11769 instead of GET_CODE(x) == CONST_INT.
11770 (vax_rtx_costs): Likewise.
11771 (vax_output_int_move): Likewise.
11772 (vax_output_int_add): Likewise.
11773 (legitimate_constant_address_p): Likewise.
11774 (index_term_p): Likewise.
11775 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11776 * config/vax/vax.md (and<mode>3): Likewise.
11777 (ashrsi3): Likewise.
11779 (movstricthi): Likewise.
11780 (movstrictqi): Likewise.
11781 (rotrsi3): Likewise.
11782 (five unnamed insns): Likewise.
11784 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11786 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11787 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11788 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11789 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11790 Pass to ASM_OUTPUT_DWARF_OFFSET.
11791 * dwarf2out.c (debug_frame_section): New.
11792 (output_call_frame_info): Use debug_frame_section. Pass it to
11793 dw2_asm_output_offset.
11794 (output_die): Pass appropriate section to dw2_asm_output_offset.
11795 (output_compilation_unit_header): Likewise.
11796 (output_pubnames): Likewise.
11797 (output_aranges): Likewise.
11798 (enum dw_val_class): Break dw_val_class_lbl_offset into
11799 dw_val_class_lineptr and dw_val_class_macptr.
11800 (add_AT_lbl_offset): Delete.
11801 (add_AT_lineptr): New.
11802 (add_AT_macptr): New.
11803 (AT_lbl): Expect a lineptr or macptr.
11804 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11805 (attr_checksum): Likewise.
11806 (same_dw_val_p): Likewise.
11807 (size_of_die): Likewise.
11808 (value_format): Likewise.
11809 (output_die): Likewise.
11810 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11812 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11813 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11814 * config/darwin-protos.h (darwin_file_start): New.
11815 (darwin_asm_output_dwarf_offset): New.
11816 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11817 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11819 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11820 if not EH section; simplify.
11821 (darwin_file_start): New.
11822 (darwin_asm_output_dwarf_offset): New.
11823 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11825 (DEBUG_INFO_SECTION): Likewise.
11826 (DEBUG_ABBREV_SECTION): Likewise.
11827 (DEBUG_ARANGES_SECTION): Likewise.
11828 (DEBUG_MACINFO_SECTION): Likewise.
11829 (DEBUG_LINE_SECTION): Likewise.
11830 (DEBUG_LOC_SECTION): Likewise.
11831 (DEBUG_PUBNAMES_SECTION): Likewise.
11832 (DEBUG_STR_SECTION): Likewise.
11833 (DEBUG_RANGES_SECTION): Likewise.
11834 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11835 (ASM_OUTPUT_DWARF_OFFSET): New.
11837 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11839 * config.gcc (tm_defines): Always add to previous value rather
11842 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11844 * config/mips/predicates.md (splittable_const_int_operand): New,
11845 split from move_operand.
11846 (splittable_symbolic_operand): New.
11847 (move_operand): Add commentary. Use splittable_const_int_operand.
11848 Inline mips_atomic_symbolic_constant_p.
11849 * config/mips/mips.md: Add combine splitters for handling moves
11850 of splittable_const_int_operands and splittable_symbolic_operands.
11851 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11852 (mips_split_symbol): Declare.
11853 (mips_move_integer): Declare.
11854 * config/mips/mips.c (mips_split_p): Make global.
11855 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11856 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11857 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11858 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11859 (mips_offset_within_object_p): Handle block symbols.
11860 (mips_atomic_symbolic_constant_p): Delete.
11861 (mips_cannot_force_const_mem): Return false for constants that
11862 mips_legitimize_move can handle.
11863 (mips_use_blocks_for_constant_p): New function.
11864 (mips_split_symbol): Make global.
11865 (mips_move_integer): Likewise. Add a temporary register argument.
11866 (mips_legitimize_const_move): Use splittable_const_int_operand and
11867 splittable_symbolic_operand.
11868 (mips_use_anchors_for_symbol_p): New function.
11869 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11870 (mips_split_p): Declare.
11872 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11874 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11875 (mips*-*-linux*): Likewise.
11877 2006-03-16 Roger Sayle <roger@eyesopen.com>
11878 Daniel Speyer <dspeyer@wam.umd.edu>
11880 PR middle-end/18259
11881 * tree-dump.c (dump_real): New function.
11882 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11883 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11884 (tree-dump.o): Add $(REAL_H) to the dependencies.
11886 2006-03-16 Roger Sayle <roger@eyesopen.com>
11888 PR middle-end/21781
11889 * real.c (real_from_string): If the mantissa is zero, don't bother
11890 parsing the exponent as the result should always be zero.
11892 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11894 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11896 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11898 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11899 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11900 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11901 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11902 ia64_sched_finish_global): New static functions to implement
11903 hooks from gcc_target.sched.
11904 (spec_check_no, max_uid, pending_data_specs): New static variables.
11905 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11906 ia64_spec_check_src_p): New static functions.
11907 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11908 (TARGET_SCHED_ADJUST_COST): Removed.
11909 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11910 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11911 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11912 TARGET_SCHED_GEN_CHECK,
11913 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11914 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11915 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11916 Fixed to handle speculation checks.
11917 (rtx_needs_barrier): Fixed to handle speculative loads and
11919 (ia64_variable_issue): Added code to count speculative loads and their
11921 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11923 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11925 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11927 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11928 (ia64_reorg): Reset stops_p to NULL after it is freed.
11929 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11930 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11931 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11933 (data_speculative, control_speculative, check_load): New attributes.
11934 (mov<mode>_advanced, mov<mode>_speculative,
11935 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11936 zero_extend<mode>di2_speculative,
11937 zero_extend<mode>di2_speculative_advanced): New patterns for
11938 data and control speculative loads.
11939 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11941 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11942 New pattern for data and control speculation checks.
11943 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11944 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11945 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11946 Auxiliary definitions for the patterns.
11947 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11948 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11950 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11952 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11953 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11954 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11955 New resource constraints.
11956 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11958 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11959 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11960 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11961 msched-in-control-spec, msched-ldc, msched-control-ldc,
11962 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11963 msched-prefer-non-control-spec-insns,
11964 msched-count-spec-in-critical-path): New flags to tune speculative
11966 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11967 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11968 msched-in-control-spec, msched-ldc, msched-control-ldc,
11969 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11970 msched-prefer-non-control-spec-insns,
11971 msched-count-spec-in-critical-path): Document new flags.
11973 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11975 * target.h (struct spec_info_def): New opaque declaration.
11976 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11977 speculate_insn, needs_block_p, gen_check,
11978 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11979 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11980 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11981 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11982 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11983 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11985 (TARGET_SCHED): Use new macros.
11986 * rtl.h (copy_DEPS_LIST_list): New prototype.
11987 * sched-int.h (struct sched_info): Change signature of new_ready field,
11988 adjust all initializations. New fields: add_remove_insn,
11989 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11990 region_head_or_leaf_p.
11991 (struct spec_info_def): New structure declaration.
11992 (spec_info_t): New typedef.
11993 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11994 recovery_block, orig_pat.
11995 (glat_start, glat_end): New variables declaraions.
11996 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11998 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11999 DETACH_LIFE_INFO, USE_GLAT.
12000 (enum SPEC_SCHED_FLAGS): New enumeration.
12001 (NOTE_NOTE_BB_P): New macro.
12002 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12003 attach_life_info, debug_spec_status, check_reg_live): New functions.
12004 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12005 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12007 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12008 * ddg.c (get_block_head_tail): Adjust all uses.
12009 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12010 (sms_sched_info): Initialize new fields.
12011 (contributes_to_priority): Removed.
12012 * haifa-sched.c (params.h): New include.
12013 (get_block_head_tail): Adjust all uses.
12014 (ISSUE_POINTS): New macro.
12015 (glat_start, glat_end): New global variables.
12016 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12017 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12018 old_last_basic_block, before_recovery, current_sched_info_var,
12019 rgn_n_insns, luid): New static variables.
12020 (insn_cost1): New function. Move logic from insn_cost to here.
12021 (find_insn_reg_weight1): New function. Move logic from
12022 find_insn_reg_weight to here.
12023 (reemit_notes, move_insn, max_issue): Change signature.
12024 (move_insn1): Removed.
12025 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12026 extend_bb): New static functions to support extension of scheduler's
12028 (generate_recovery_code, process_insn_depend_be_in_spec,
12029 begin_speculative_block, add_to_speculative_block,
12030 init_before_recovery, create_recovery_block, create_check_block_twin,
12031 fix_recovery_deps): New static functions to support
12032 generation of recovery code.
12033 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12034 restore_bb_notes, move_block_after_check, move_succs): New static
12035 functions to support ebb scheduling.
12036 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12037 functions to support handling of register live information.
12038 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12039 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12040 add_jump_dependencies): New static functions.
12041 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12042 consistancy checking.
12043 (debug_spec_status): New function to call from debugger.
12044 (priority): Added code to handle speculation checks.
12045 (rank_for_schedule): Added code to distinguish speculative instructions.
12046 (schedule_insn): Added code to handle speculation checks.
12047 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12048 Fixed to handle ebbs.
12049 (move_insn): Added code to handle ebb scheduling.
12050 (max_issue): Added code to use ISSUE_POINTS of instructions.
12051 (choose_ready): Added code to choose between speculative and
12052 non-speculative instructions.
12053 (schedule_block): Added code to handle ebb scheduling and scheduling of
12054 speculative instructions.
12055 (sched_init): Initialize new variables.
12056 (sched_finish): Free new variables. Print statistics.
12057 (try_ready): Added code to handle speculative instructions.
12058 * lists.c (copy_DEPS_LIST_list): New function.
12059 * sched-deps.c (extend_dependency_caches): New function. Move logic
12060 from create_dependency_caches to here.
12061 (get_dep_weak, ds_merge): Make global.
12062 * genattr.c (main): Code to output prototype for
12063 dfa_clear_single_insn_cache.
12064 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12065 (output_dfa_clean_insn_cache_func): Code to output
12066 dfa_clear_single_insn_cache function.
12067 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12069 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12071 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12072 New static variables.
12073 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12074 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12076 (ebb_sched_info): Initialize new fields.
12077 (get_block_head_tail): Adjust all uses.
12078 (compute_jump_reg_dependencies): Fixed to use glat_start.
12079 (schedule_ebb): Code to remove unreachable last block.
12080 (schedule_ebbs): Added code to update register live information.
12081 * sched-rgn.c (region_sched_info): Initialize new fields.
12082 (get_block_head_tail): Adjust all uses.
12083 (last_was_jump): Removed. Adjust users.
12084 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12085 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12086 Implement new hooks.
12087 (check_dead_notes1): New static function.
12088 (struct region): New fields: dont_calc_deps, has_real_ebb.
12089 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12090 (BB_TO_BLOCK): Fixed to handle EBBs.
12091 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12092 (ebb_head): New static variable.
12093 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12094 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12096 (compute_dom_prob_ps): New assertion.
12097 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12098 global_live_at_start.
12099 (init_ready_list): New assertions.
12100 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12101 (new_ready): Add support for BEGIN_CONTROL speculation.
12102 (schedule_insns): Fixed code that updates register live information
12104 (schedule_region): Fixed to handle EBBs.
12105 (init_regions): Use extend_regions and check_dead_notes1.
12106 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12107 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12108 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12109 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12110 TARGET_SCHED_GEN_CHECK,
12111 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12112 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12113 * doc/invoke.texi (max-sched-insn-conflict-delay,
12114 sched-spec-prob-cutoff): Document.
12116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12118 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12119 inter_tick, queue_index.
12120 (struct sched_info): Change signature of init_ready_list field.
12121 Adjust all initializations.
12122 (RESOLVED_DEPS): New access macro.
12123 (ready_add): Remove prototype.
12124 (try_ready): Add prototype.
12125 * sched-rgn.c (init_ready_list): Use try_ready.
12126 (schedule_region): Initialize
12127 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12128 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12129 (init_ready_list): Use try_ready.
12130 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12131 * lists.c (remove_list_elem): Remove `static'.
12132 (remove_free_INSN_LIST_elem): New function.
12133 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12134 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12135 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12137 (readyp): New variable.
12138 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12139 change_queue_index, resolve_dep): New static functions.
12140 (try_ready): New function. Adjust callers in sched-rgn.c and
12141 sched-ebb.c to use it instead of ready_add.
12142 (clock_var): Move at the begining of file.
12143 (rank_for_schedule): Fix typo.
12144 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12145 (ready_lastpos): Enforce assertion.
12146 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12147 update all callers.
12148 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12149 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12150 (queue_to_ready): Use free_INSN_LIST_list.
12151 (early_queue_to_ready): Fix typo.
12152 (schedule_block): Init readyp. Move init_ready_list call after the
12153 initialization of clock_var. Fix error in rejecting insn by
12154 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12155 that previously corrected INSN_TICKs. Add code for handling
12157 (set_priorities): Fix typo.
12158 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12159 Clarify comment and code that keeps current_sched_info->next_tail
12162 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12164 * sched-rgn.c (extend_rgns): New static function.
12165 (find_rgns): Use it.
12166 (gather_region_statistics, print_region_statistics): New static
12168 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12169 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12171 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12172 Andrey Belevantsev <abel@ispras.ru>
12174 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12175 * lists.c (unused_deps_list): New variable.
12176 (free_list): Add assertions to verify the proper distinguishing
12177 between INSN_LISTs and DEPS_LISTs.
12178 (find_list_elem, remove_list_elem, remove_list_node): New static
12180 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12181 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12182 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12183 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12185 (free_INSN_LIST_node): Likewise.
12186 * modulo-sched.c (current_sched_info): Initialize flags field.
12187 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12188 * rtl.def (DEPS_LIST): Define.
12189 * rtl.h: Declare new functions from lists.c.
12190 * sched-deps.c (spec_dependency_cache): New static variable.
12191 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12192 (add_dependence): Change return type to void. Move the logic to ...
12193 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12194 (delete_all_dependences): Add comment about forward_dependency_cache.
12195 Handle spec_dependency_cache. Handle DEPS_LISTs.
12196 (fixup_sched_groups): Clarify the change of priority of output
12197 and anti dependencies.
12198 (sched_analyze_2): Adjust add_dependence calls to create data
12199 speculative dependence.
12200 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12201 Adjust all callers. Handle DEPS_LISTS.
12202 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12203 presence of speculation.
12204 (init_dependency_caches, free_dependency_caches):
12205 Handle spec_dependency_cache.
12206 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12207 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12208 New static functions.
12209 (add_or_update_back_dep, add_or_update_back_forw_dep,
12210 add_back_forw_dep, delete_back_forw_dep): New functions.
12211 * sched-int.h (ds_t, dw_t): New typedefs.
12212 (struct sched_info): Add new field flags.
12213 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12214 Prototype new sched-deps.c functions.
12215 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12216 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12217 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12218 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12219 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12220 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12222 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12224 * sched-rgn.c (current_sched_info): Initialize flags field.
12225 (schedule_insns): Initialize current_sched_info before the sched_init
12227 * sched-ebb.c (current_sched_info): Initialize flags field.
12228 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12229 Call add_or_update_back_dep instead of add_dependence.
12230 Create control speculative dependencies.
12231 (schedule_insns): Initialize current_sched_info before the sched_init
12234 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12236 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12238 (sh_fallback_frame_state): Likewise.
12240 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12242 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12243 Do switch on default_use_cxa_atexit.
12244 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12245 * config/darwin-crt3.o: New.
12246 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12247 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12248 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12250 * config/rs6000/t-darwin: Move crt2.o building to here.
12251 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12252 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12255 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12257 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12258 from '! xxx' to '!xxx' for coding-style conformance.
12259 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12260 (EXTRA_CONSTRAINT): Likewise.
12261 * config/vax/vax.md (four unnamed insns): Likewise.
12263 2006-03-15 Paul Brook <paul@codesourcery.com>
12265 * config/arm/arm.c (minipool_pad): New.
12266 (add_minipool_forward_ref): Include pool alignment padding in address
12268 (push_minipool_fix): Set minipool_pad.
12269 (minipool_pad): Ditto.
12271 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12273 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12274 instead of GET_CODE() == MEM and REG_P() instead of
12276 (print_operand_address): Likewise.
12277 (vax_address_cost): Likewise.
12278 (vax_rtx_costs): Likewise.
12279 (vax_notice_update_cc): Likewise.
12280 (vax_output_int_add): Likewise.
12281 (INDEX_REGISTER_P): Likewise.
12282 (BASE_REGISTER_P): Likewise.
12283 (nonindexed_address_p): Likewise.
12284 (vax_mode_dependent_address_p): Likewise.
12285 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12286 (PRINT_OPERAND): Likewise.
12287 * config/vax/vax.md (ashlsi3): Likewise.
12288 (ashlsi3): Likewise.
12289 (some more unnamed insns): Likewise.
12291 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12293 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12294 iterator-style macro.
12295 (mark_control_dependent_edges_necessary): Update the use of
12296 EXECUTE_IF_CONTROL_DEPENDENT.
12298 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12300 * config/sh/predicates.md (cache_address_operand): Special.
12301 (ua_address_operand): Likewise.
12303 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12305 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12307 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12309 2006-03-15 Andreas Schwab <schwab@suse.de>
12311 * gensupport.c (identify_predicable_attribute): Don't free p_false
12312 when it is still in use.
12314 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12316 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12317 the default setting here.
12319 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12321 * tree-pass.h (pass_cfg): Remove.
12322 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12323 * passes.c (pass_cfg): Don't run it.
12325 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12327 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12328 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12330 (stack_regs_mentioned): Update the uses of
12331 stack_regs_mentioned_data. Don't access the array beyond its
12333 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12334 Don't include gt-reg-stack.h.
12336 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12337 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12339 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12341 PR middle-end/26684
12342 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12345 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12347 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12349 2006-03-14 Richard Guenther <rguenther@suse.de>
12351 PR tree-optimization/26672
12352 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12355 2006-03-14 Richard Guenther <rguenther@suse.de>
12357 PR tree-optimization/26667
12358 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12359 node for the callees. Always allow inlining if it will shrink
12362 2006-03-14 Richard Guenther <rguenther@suse.de>
12364 PR middle-end/26659
12365 * builtins.c (get_pointer_alignment): Prefer alignment
12366 information from decls over that from types.
12368 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12371 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12373 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12375 * config/rs6000/rs6000.opt (mdlmzb): New option.
12376 (msched-prolog, msched-epilog): Use Var not Mask.
12377 * doc/invoke.texi (-mdlmzb): Document.
12378 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12380 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12381 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12383 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12385 PR rtl-optimization/25739
12386 * bt-load.c (augment_live_range): Free tos pointer.
12388 * gensupport.c (identify_predicable_attribute): Free
12390 * gcov.c (create_file_names): Free name pointer.
12392 2006-03-13 Roger Sayle <roger@eyesopen.com>
12394 PR middle-end/26557
12395 * stmt.c (emit_case_nodes): Handle the case where the index is a
12396 CONST_INT, where the comparison mode is specified by the index type.
12398 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12400 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12403 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12405 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12406 (*branch_fp_inverted): Likewise.
12408 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12410 PR middle-end/25989
12411 * omp-low.c (expand_omp_for_generic): Mark istart0
12412 and iend0 as addressable.
12414 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12416 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12418 2006-03-13 Jeff Law <law@redhat.com>
12420 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12421 virtual operands are interesting.
12422 (vrp_visit_stmt): Corresponding changes.
12424 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12426 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12428 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12429 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12430 * config/bfin/crti.S: Use it instead of __PIC__.
12431 * config/bfin/crtn.S: Likewise.
12433 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12434 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12436 Lose 'G' modifier for call operand.
12437 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12438 recognize 'G' modifier.
12440 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12442 PR middle-end/18859
12443 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12444 * stmt.c (expand_case): Likewise.
12446 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12448 PR rtl-optimization/26254
12449 * loop-invariant.c (seq_insns_valid_p): New function.
12450 (move_invariant_reg): Only emit new code if it is valid.
12452 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12454 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12456 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12457 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12458 (commit_one_edge_insertion): Do not look for loop notes.
12460 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12462 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12463 flag_test_coverage out of loop.
12465 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12467 * final.c (shorten_branches): Remove outdated comment, and turn
12468 the if branch that guards it to continue.
12470 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12472 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12473 * cfgloop.h (struct loop): Remove unused fields.
12475 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12477 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12478 (-dL, -fdump-rtl-loop2): Update the dump file names
12480 * doc/invoke.texi: Update dump file names.
12482 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12484 * predict.c (estimate_probability): Remove.
12485 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12486 * basic-block.h (estimate_probability): Remove prototype.
12487 * passes.c (finish_optimization_passes): Dump branch prediction or
12488 profiling heuristics to the .profile tree dump.
12489 (init_optimization_passes): Unqueue pass_branch_prob.
12491 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12493 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12495 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12496 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12498 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12500 * function.h (frame_offset_overflow): Declare.
12501 * function.c (frame_offset_overflow): New function.
12502 (assign_stack_local_1): Call it to detect that the offset overflows.
12503 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12505 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12507 * config/sh/sh.c: Include alloc-pool.h.
12508 (label_ref_list_pool): New alloc pool.
12509 (label_ref_list_t): New type for lists of labels.
12510 (struct pool_node): Make wend a label_ref_list_t.
12511 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12513 (dump_table): Likewise.
12514 (sh_reorg): Set up the alloc pool before using add_constant and
12515 dump_table, and destroy it when finishing.
12517 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12519 * config/mips/mips.c: Remove redundant comment.
12521 2006-03-10 Jason Merrill <jason@redhat.com>
12524 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12525 the target was declared 'register'.
12527 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12529 * genpreds.c (write_insn_constraint_len): Change definition of
12530 insn_constraint_len to return size_t to match the declaration.
12532 2006-03-10 DJ Delorie <dj@redhat.com>
12534 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12536 (m32c_expand_insv): Fix test for an AND mask.
12538 2006-03-10 Richard Guenther <rguenther@suse.de>
12540 PR middle-end/26565
12541 * builtins.c (get_pointer_alignment): Handle component
12542 references for field alignment.
12544 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12546 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12547 when building with libgloss.
12548 (sh*elf): Implement --without-fp option.
12549 (sh64-superh-linux*): Don't multilib.
12551 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12553 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12555 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12557 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12558 Set it when one of the replacement functions returned true.
12559 Return TODO_cleanup_cfg if cfgchanged is true.
12560 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12562 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12564 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12565 instead of gen_lowpart.
12567 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12569 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12571 (mips_output_order_conditional_branch): Declare.
12572 * config/mips/mips.h (MIPS_BRANCH): New macro.
12573 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12574 for the comparison. Use gen_condjump.
12575 (mips_output_conditional_branch): Rework interface to take the
12576 asm templates for a direct branch and the inverse of a direct branch.
12577 (mips_output_order_conditional_branch): New function.
12578 (mips_builtin_branch_and_move): New function.
12579 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12580 branch condition. Use gen_single_cc as the condition for
12581 __builtin_mips_upper_* or __builtin_mips_lower_*.
12582 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12583 Use VOIDmode for the branch condition.
12584 * config/mips/predicates.md (order_operator): New predicate.
12585 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12586 (branch_fp): Rename to...
12587 (*branch_fp): ...this. Remove mode from comparison operator.
12588 Use new mips_output_conditional_branch interface.
12589 (branch_fp_inverted): Rename to...
12590 (*branch_fp_inverted): ...this and update as for *branch_fp.
12591 (*branch_zero<mode>): Rename to...
12592 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12593 Use mips_output_order_conditional_branch. Only accept ordered
12595 (*branch_zero<mode>_inverted): Rename to...
12596 (*branch_order<mode>_inverted): ...this and update as for
12597 *branch_order<mode>.
12598 (*branch_equality<mode>): Accept zero as the second operand to
12599 the equality operator. Use the new mips_output_conditional_branch
12601 (*branch_equality<mode>_inverted): Likewise.
12602 (condjump): New expander.
12603 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12605 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12606 (bc1any2t, bc1any2f): Likewise.
12607 (single_cc): New expander.
12608 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12610 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12612 * doc/md.texi: Update documentation of MIPS constraints.
12613 * config/mips/constraints.md: New file.
12614 * config/mips/mips.md: Include it.
12615 * config/mips/mips.c (mips_char_to_class): Delete.
12616 (override_options): Don't initialize mips_char_to_class.
12617 * config/mips/mips.h (mips_char_to_class): Delete.
12618 (REG_CLASS_FROM_LETTER): Delete.
12619 (CONST_OK_FOR_LETTER_P): Delete.
12620 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12621 (EXTRA_CONSTRAINT_Y): Delete.
12622 (EXTRA_CONSTRAINT_STR): Delete.
12623 (CONSTRAINT_LEN): Delete.
12624 (EXTRA_MEMORY_CONSTRAINT): Delete.
12626 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12628 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12629 original fn's eh regions.
12631 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12633 * fold-const.c (build_range_check): Make sure to use a valid type to
12634 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12637 (range_predecessor): New static function.
12638 (range_successor): Likewise.
12639 (merge_ranges): Use them to compute predecessors and successors of
12642 2006-03-09 Roger Sayle <roger@eyesopen.com>
12644 PR middle-end/26561
12645 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12646 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12648 2006-03-08 DJ Delorie <dj@redhat.com>
12650 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12651 (addpsi3): Expand to include memory operands. Remove
12652 reload-specific splits.
12653 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12654 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12655 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12656 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12657 (shift1_qi, shift1_hi, insv): New.
12658 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12659 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12660 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12662 * config/m32c/m32c-protos.h: Update as needed.
12663 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12664 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12665 Fail for unrecognized R* constraints.
12666 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12667 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12668 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12670 (m32c_init_libfuncs): New.
12671 (m32c_legitimate_address_p): Add debug wrapper.
12672 (m32c_rtx_costs): New.
12673 (m32c_address_cost): New.
12674 (conversions): Add 'B' prefix.
12675 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12676 operands, or word regnames for QI operands. 'B' prints bit
12678 (m32c_expand_setmemhi): New.
12679 (m32c_expand_movmemhi): New.
12680 (m32c_expand_movstr): New.
12681 (m32c_expand_cmpstr): New.
12682 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12683 (m32c_expand_neg_mulpsi3): Handle non-ints.
12684 (m32c_cmp_flg_0): New.
12685 (m32c_expand_movcc): New.
12686 (m32c_expand_insv): New.
12687 (m32c_scc_pattern): New.
12688 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12689 a0/a1 out of SIregs.
12690 (STORE_FLAG_VALUE): New.
12691 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12694 * config/m32c/mov.md: Make constraints more liberal.
12695 (zero_extendqihi2): Optimize r0/r1 case.
12696 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12697 * config/m32c/predicates.md (m32c_any_operand): New.
12698 (m32c_nonimmediate_operand): New.
12699 (m32c_hl_operand): New.
12700 (m32c_r3_operand): New.
12703 (memsym_operand): New.
12704 (memimmed_operand): New.
12705 (a_qi_operand): New.
12706 (m32c_eqne_operator): New.
12707 (m32c_1bit8_operand): New.
12708 (m32c_1bit16_operand): New.
12709 (m32c_1mask8_operand): New.
12710 (m32c_1mask16_operand): New.
12711 * config/m32c/blkmov.md: New file.
12712 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12714 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12716 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12717 unsigned to fix signed/unsigned comparison issue in
12718 DWARF2_FRAME_REG_OUT.
12719 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12720 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12722 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12723 of ptr into the ENABLE_CHECKING section.
12725 2006-03-08 Jeff Law <law@redhat.com>
12727 * tree-vrp.c (infer_value_range): Only count pointer uses
12728 and dereferences if -fdelete-null-pointer-checks is enabled.
12730 * tree-vrp.c (find_assert_locations): Infer value ranges for
12731 single use pointers, but do not create ASSERT_EXPRs for them.
12732 When a non-null range is inferred for a pointer, backwards
12733 propagate that range to other equivalent pointers through the
12736 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12739 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12740 language hook targets.
12741 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12742 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12743 if language hook targets were missing.
12745 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12747 * tree-ssa-opfinalize.h: Removed.
12748 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12750 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12751 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12752 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12753 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12754 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12755 finalize_ssa_v_must_def_ops): New.
12757 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12759 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12760 block as parameter.
12762 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12764 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12766 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12767 addresses with offsets; reorganize.
12769 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12770 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12771 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12773 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12776 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12778 2006-03-08 Ben Elliston <bje@au.ibm.com>
12780 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12782 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12785 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12788 2006-03-07 Richard Guenther <rguenther@suse.de>
12790 PR tree-optimization/26587
12791 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12793 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12795 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12797 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12799 * hooks.c (hook_bool_mode_rtx_true): New function.
12800 * hooks.h (hook_bool_mode_rtx_true): Declare.
12801 * toplev.c (compile_file): Call output_shared_constant_pool.
12802 * varasm.c (shared_constant_pool): New variable.
12803 (assemble_start_function, assemble_end_function): Remove arguments
12804 from call to output_constant_pool.
12805 (create_constant_pool): New function, split out from...
12806 (init_varasm_status): ...here.
12807 (force_const_mem): Choose between the shared and per-function constant
12808 pools. Set current_function_uses_const_pool when reusing old entries
12809 as well as when creating new ones.
12810 (mark_constant): Ignore data argument.
12811 (mark_constants): Remove pool argument.
12812 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12813 to decide whether the function uses a constant pool.
12814 (output_constant_pool_contents): New function, split out from...
12815 (output_constant_pool): ...here.
12816 (output_shared_constant_pool): New function.
12817 (init_varasm_once): Initialize shared_constant_pool.
12818 * output.h (output_constant_pool): Delete.
12819 (output_shared_constant_pool): Declare.
12820 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12821 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12823 2006-03-06 Nick Clifton <nickc@redhat.com>
12825 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12826 flag_strength_reduce.
12828 2006-03-06 Ben Elliston <bje@au.ibm.com>
12830 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12831 x86_64-*-linux* configurations.
12833 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12834 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12836 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12838 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12840 * basic-block.h: Remove the extern for
12841 rediscover_loops_after_threading.
12843 * cfgloop.c (cancel_loop): Make it static.
12844 * cfgloop.h: Remove the prototype for cancel_loop.
12846 * flow.c (recompute_reg_usage): Make it static.
12847 * rtl.h: Remove the prototype for recompute_reg_usage.
12849 * function.c (use_return_register): Make it static.
12850 * function.h: Remove the prototype.
12852 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12854 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12856 * recog.h: Remove the prototype for
12857 validate_change_maybe_volatile.
12859 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12861 * rtlanal.c (replace_reg): Remove.
12862 * rtl.h: Remove the prototype for replace_reg.
12864 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12866 * regclass.c (reg_scan_update): Remove.
12867 (reg_scan_mark_refs): Remove the last argument.
12868 * rtl.h: Remove the prototype for reg_scan_update.
12870 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12872 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12873 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12874 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12875 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12876 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12877 loop-invariant.c, omp-low.c, opts.c, passes.c,
12878 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12879 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12880 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12881 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12882 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12883 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12885 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12887 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12888 * dwarf2out.h: Remove the prototype for
12889 dwarf2out_add_library_unit_info.
12891 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12893 * tree.c (add_var_to_bind_expr): Remove.
12894 * tree.h: Remove the prototype for add_var_to_bind_expr.
12896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12898 * regclass.c (n_non_fixed_regs): Remove.
12899 (init_reg_sets_1, globalize_reg): Remove all uses of
12901 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12903 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12905 * rtlanal.c (insns_safe_to_move_p): Remove.
12906 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12908 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12910 * expmed.c (expand_mult_add): Remove.
12911 * expr.h: Remove the prototype for expand_mult_add.
12913 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12915 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12916 and REG_SAVED_VAL_EXP constants.
12917 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12918 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12919 Handle regs stored by value.
12920 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12921 (execute_cfa_program): Handle DW_CFA_val_offset,
12922 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12923 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12924 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12925 (uw_install_context_1): Handle target regs stored by value.
12927 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12929 * tree-sra.c (tree_sra): Return todoflags;
12930 (generate_one_element): Set TODO_update_smt_usage if needed.
12931 (pass_sra): Remove TODO_update_smt_usage.
12932 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12934 (tree_ssa_forward_propagate_single_use_vars): Return
12935 TODO_update_smt_usage if we need to update SMT usage.
12936 (pass_forwprop): Remove TODO_update_smt_usage.
12938 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12940 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12941 (correct_use_link): Remove reference to get_stmt_operands.
12942 (update_stmt_operands): Likewise.
12943 (get_modify_expr_operands): New function factored out of
12944 parse_ssa_operands and get_expr_operands.
12945 Try to create V_MUST_DEFs for LHS by default.
12946 (get_expr_operands) <case MODIFY_EXPR>: Call
12947 get_modify_expr_operands.
12948 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12949 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12950 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12951 get_modify_expr_operands.
12953 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12955 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12956 * tree-flow.h: Remove the prototype for
12957 referenced_var_lookup_if_exists.
12959 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12961 PR rtl-optimization/26345
12963 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12965 2006-03-03 Roger Sayle <roger@eyesopen.com>
12967 PR tree-optimization/26524
12968 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12969 fold_convert to create a constant of the appropriate type.
12971 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12973 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12974 SYMBOL_REF_IN_BLOCK_P.
12975 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12976 of SYMBOL_FLAG_IN_BLOCK.
12977 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12978 instead of SYMBOL_REF_IN_BLOCK_P.
12979 * explow.c (use_anchored_address): Likewise.
12980 * rtl.c (rtx_size): Likewise.
12981 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12982 instead of SYMBOL_FLAG_IN_BLOCK.
12983 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12984 SYMBOL_REF_IN_BLOCK_P.
12985 (assemble_variable): Likewise.
12986 (output_constant_def_contents): Likewise.
12987 (output_constant_pool): Likewise.
12988 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12989 instead of SYMBOL_FLAG_IN_BLOCK.
12990 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12991 SYMBOL_REF_IN_BLOCK_P.
12992 (SYMBOL_REF_BLOCK): Likewise.
12993 (SYMBOL_REF_OFFSET): Likewise.
12994 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12995 SYMBOL_REF_IN_BLOCK_P.
12996 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12997 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12998 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12999 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13001 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13003 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13005 2006-03-02 Roger Sayle <roger@eyesopen.com>
13007 * simplify-rtx.c (simplify_unary_operation): When simplifying
13008 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13009 that we perform the right shift in the appropriate mode, and
13010 then extend or truncate the result to requested mode.
13012 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13014 * gengtype.c (main): Handle double_int type.
13015 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13016 * double-int.c: New file.
13017 * double-int.h: New file.
13018 * system.h: Include doubleint.h.
13019 * Makefile.in (SYSTEM_H): Include double-int.h.
13020 (double-int.o): Add.
13022 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13025 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13028 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13030 * tree-vrp.c (remove_range_assertions): Do not update statements
13033 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13035 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13037 * gcse.c (rest_of_handle_gcse): Ditto.
13038 * except.c (gate_handle_eh): Ditto.
13039 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13040 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13042 2006-03-02 Eric Christopher <echristo@apple.com>
13044 * config/i386/i386.c (machopic_output_stub): Add indirection to
13047 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13051 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13053 Sun Niagara specific optimizations.
13054 * config.gcc: Recognize niagara as target.
13055 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13056 (TARGET_CPU_niagara): Define.
13057 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13058 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13059 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13060 (ASM_CPU_SPEC): Likewise.
13061 (PROCESSOR_NIAGARA): New enum entry.
13062 (REGISTER_MOVE_COST): Handle Niagara.
13063 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13064 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13065 (sparc_override_options): Recognize "niagara", set appropriate
13066 default MASK_* values for it, and align functions to 32-bytes
13067 by default just like ULTRASPARC/ULTRASPARC3.
13068 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13069 (sparc64_initialize_trampoline): Likewise.
13070 (sparc_use_sched_lookahead): Use zero for niagara.
13071 (sparc_issue_rate): Use one for niagara.
13072 * config/sparc/niagara.md: New file.
13073 * config/sparc/sparc.md: Include it.
13074 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13075 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13076 when default cpu is niagara.
13077 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13078 (ASM_CPU_SPEC): Likewise.
13079 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13080 when default cpu is niagara.
13081 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13082 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13083 just like v9/ultrasparc/ultrasparc3.
13084 * doc/invoke.texi: Add documentation for "niagara" and improve
13085 existing documentation for ultrasparc variants.
13087 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13089 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13091 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13093 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13094 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13095 and say that only one is needed.
13096 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13097 * target.h (have_switchable_bss_sections): New hook.
13098 * explow.c (use_anchored_address): Check that the symbol is in a block.
13099 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13100 (bss_noswitch_section): New variables.
13101 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13102 (get_noswitch_section): New function.
13103 (get_block_for_section): Allow SECT to be null.
13104 (unlikely_text_section_p): Use SECTION_STYLE.
13105 (bss_initializer_p): New function.
13106 (get_variable_section): Move earlier in file. Take a new argument,
13107 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13108 Return one of the new *_sections in such cases.
13109 (get_block_for_decl): New function, extracting some logic from
13110 use_blocks_for_decl_p.
13111 (change_symbol_section): Remove in favor of...
13112 (change_symbol_block): ...this new function.
13113 (use_blocks_for_decl_p): Remove checks now performed by
13114 get_block_for_decl.
13115 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13116 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13117 (emit_local, emit_bss, emit_common): ...these new functions.
13118 Return true if the alignment was honored.
13119 (emit_tls_common): New function.
13120 (asm_emit_uninitialised): Delete.
13121 (assemble_variable_noswitch): New function, split out from...
13122 (assemble_variable): ...here. Don't make decisions about common
13123 variables here. Globalize all public decls that go into non-common
13124 sections. Check whether SYMBOL_REF_BLOCK is null.
13125 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13126 (output_constant_pool): Likewise.
13127 (init_varasm_once): Initialize the new section variables.
13128 (have_global_bss_p): New function.
13129 (categorize_decl_for_section): Use bss_initializer_p.
13130 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13131 (place_block_symbol): Assert that the symbol must be in a block.
13132 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13133 (TARGET_INITIALIZER): Include it.
13134 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13135 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13136 (SECTION_MACH_DEP): Bump by two.
13137 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13138 (unnamed_section): Mention SECTION_UNNAMED in comment.
13139 (named_section): Likewise SECTION_NAMED.
13140 (noswitch_section_callback): New type.
13141 (noswitch_section): New structure.
13142 (section): Add a noswitch_section alternative.
13143 (SECTION_STYLE): New macro.
13144 (tls_comm_section, comm_section, lcomm_section): Declare.
13145 (bss_noswitch_section, have_global_bss_p): Declare.
13146 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13147 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13149 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13150 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13153 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13155 * tree-vrp.c (execute_vrp): Return value.
13156 * regrename.c (rest_of_handle_regrename): Ditto.
13157 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13158 * tree-complex.c (tree_lower_complex): Ditto.
13159 (tree_lower_complex_O0): Ditto.
13160 * tracer.c (rest_of_handle_tracer): Ditto.
13161 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13162 * postreload.c (rest_of_handle_postreload): Ditto.
13163 * tree-tailcall.c (execute_tail_recursion): Ditto.
13164 (execute_tail_calls): Ditto.
13165 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13166 * tree.h (init_function_for_compilation): Ditto.
13167 * ipa-cp.c (ipcp_driver): Ditto.
13168 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13169 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13170 * final.c (compute_alignments): Ditto.
13171 (rest_of_handle_final): Ditto.
13172 (rest_of_handle_shorten_branches): Ditto.
13173 (rest_of_clean_state): Ditto.
13174 * omp-low.c (execute_expand_omp): Ditto.
13175 (execute_lower_omp): Ditto.
13176 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13177 * ipa-reference.c (static_execute): Ditto.
13178 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13179 * reorg.c (rest_of_handle_delay_slots): Ditto.
13180 (rest_of_handle_machine_reorg): Ditto.
13181 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13182 * flow.c (recompute_reg_usage): Ditto.
13183 (rest_of_handle_remove_death_notes): Ditto.
13184 (rest_of_handle_life): Ditto.
13185 (rest_of_handle_flow2): Ditto.
13186 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13187 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13188 (do_ssa_store_ccp): Ditto.
13189 (execute_fold_all_builtins): Ditto.
13190 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13191 * modulo-sched.c (rest_of_handle_sms): Ditto.
13192 * ipa-pure-const.c (static_execute): Ditto.
13193 * cse.c (rest_of_handle_cse): Ditto.
13194 (rest_of_handle_cse2): Ditto.
13195 * web.c (rest_of_handle_web): Ditto.
13196 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13197 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13198 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13199 * tree-nrv.c (tree_nrv): Ditto.
13200 (execute_return_slot_opt): Ditto.
13201 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13202 (create_structure_vars): Ditto.
13203 * loop-init.c (rtl_loop_init): Ditto.
13204 (rtl_loop_done): Ditto.
13205 (rtl_move_loop_invariants): Ditto.
13206 (rtl_unswitch): Ditto.
13207 (rtl_unroll_and_peel_loops): Ditto.
13208 (rtl_doloop): Ditto.
13209 * gimple-low.c (lower_function_body): Ditto.
13210 (mark_used_blocks): Ditto.
13211 * tree-ssa-sink.c (execute_sink_code): Ditto.
13212 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13213 (cgraph_early_inlining): Ditto.
13214 * global.c (rest_of_handle_global_alloc): Ditto.
13215 * jump.c (cleanup_barriers): Ditto.
13216 (purge_line_number_notes): Ditto.
13217 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13218 (rest_of_handle_if_after_reload): Ditto.
13219 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13220 (tree_ssa_loop_im): Ditto.
13221 (tree_ssa_loop_unswitch): Ditto.
13222 (tree_vectorize): Ditto.
13223 (tree_linear_transform): Ditto.
13224 (tree_ssa_loop_ivcanon): Ditto.
13225 (tree_ssa_empty_loop): Ditto.
13226 (tree_ssa_loop_bounds): Ditto.
13227 (tree_complete_unroll): Ditto.
13228 (tree_ssa_loop_prefetch): Ditto.
13229 (tree_ssa_loop_ivopts): Ditto.
13230 (tree_ssa_loop_done): Ditto.
13231 * predict.c (tree_estimate_probability): Ditto.
13232 * recog.c (split_all_insns_noflow): Ditto.
13233 (rest_of_handle_peephole2): Ditto.
13234 (rest_of_handle_split_all_insns): Ditto.
13235 * tree-eh.c (lower_eh_constructs): Ditto.
13236 * regmove.c (rest_of_handle_regmove): Ditto.
13237 (rest_of_handle_stack_adjustments): Ditto.
13238 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13239 * function.c (instantiate_virtual_regs): Ditto.
13240 (init_function_for_compilation): Ditto.
13241 (rest_of_handle_check_leaf_regs): Ditto.
13242 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13243 (rest_of_handle_gcse): Ditto.
13244 * ipa-type-escape.c (type_escape_execute): Ditto.
13245 * alias.c (rest_of_handle_cfg): Ditto.
13246 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13247 * profile.c (rest_of_handle_branch_prob): Ditto.
13248 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13249 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13250 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13251 * tree-dfa.c (find_referenced_vars): Ditto.
13252 * except.c (set_nothrow_function_flags): Ditto.
13253 (convert_to_eh_region_ranges): Ditto.
13254 (rest_of_handle_eh): Ditto.
13255 * emit-rtl.c (unshare_all_rtl): Ditto.
13256 (remove_unnecessary_notes): Ditto.
13257 * except.h (set_nothrow_function_flags): Ditto.
13258 (convert_to_eh_region_ranges): Ditto.
13259 * cfgexpand.c (tree_expand_cfg): Ditto.
13260 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13261 * tree-ssa-pre.c (do_pre): Ditto.
13262 (execute_fre): Ditto.
13263 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13264 (rest_of_handle_jump2): Ditto.
13265 * tree-sra.c (tree_sra): Ditto.
13266 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13267 (execute_mudflap_function_decls): Ditto.
13268 * tree-ssa-copy.c (do_copy_prop): Ditto.
13269 (do_store_copy_prop): Ditto.
13270 * ipa-prop.h (ipcp_driver): Ditto.
13271 * cfglayout.c (insn_locators_initialize): Ditto.
13272 * tree-ssa-forwprop.c
13273 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13274 * cfglayout.h (insn_locators_initialize): Ditto.
13275 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13276 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13277 (execute_late_warn_uninitialized): Ditto.
13278 * rtl.h (cleanup_barriers): Ditto.
13279 (split_all_insns_noflow): Ditto.
13280 (purge_line_number_notes): Ditto.
13281 (unshare_all_rtl): Ditto.
13282 (remove_unnecessary_notes): Ditto.
13283 (recompute_reg_usage): Ditto.
13284 (variable_tracking_main): Ditto.
13285 * integrate.c (emit_initial_value_sets): Ditto.
13286 * integrate.h (emit_initial_value_sets): Ditto.
13287 * tree-optimize.c (execute_free_datastructures): Ditto
13288 (execute_free_cfg_annotations): Ditto.
13289 (execute_fixup_cfg): Ditto.
13290 (execute_cleanup_cfg_pre_ipa): Ditto.
13291 (execute_cleanup_cfg_post_optimizing): Ditto.
13292 (execute_init_datastructures): Ditto.
13293 * tree-object-size.c (compute_object_sizes): Ditto.
13294 * combine.c (rest_of_handle_combine): Ditto.
13295 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13296 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13297 (rest_of_handle_reorder_blocks): Ditto.
13298 (rest_of_handle_partition_blocks): Ditto.
13299 * var-tracking.c (variable_tracking_main): Ditto.
13300 * tree-profile.c (tree_profiling): Ditto.
13301 * tree-vect-generic.c (expand_vector_operations): Ditto.
13302 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13303 * sched-rgn.c (rest_of_handle_sched): Ditto.
13304 (rest_of_handle_sched2): Ditto.
13305 * basic-block.h (free_bb_insn): Ditto.
13306 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13307 * tree-cfg.c (execute_build_cfg): Ditto.
13308 (remove_useless_stmts): Ditto.
13309 (split_critical_edges): Ditto.
13310 (execute_warn_function_return): Ditto.
13311 (execute_warn_function_noreturn): Ditto.
13312 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13313 * cfgrtl.c (free_bb_for_insn): Ditto.
13314 * passes.c (execute_one_pass): Run additional
13315 todos returned by execute function.
13316 * tree-pass.h (struct tree_opt_pass): Make execute
13319 2006-03-02 Richard Guenther <rguenther@suse.de>
13321 * tree-ssa-alias.c (find_used_portions): Consider taking
13322 the address as making the variable not write-only.
13324 2006-03-02 Nick Clifton <nickc@redhat.com>
13326 * config.gcc (default_use_cxa_atexit): Extend the description of
13327 this configure variable. Set its default value to "yes" for
13328 Linux, NetBSD and ELF targets on the assumption that they will
13329 use C libraries with the __cxa_atexit function.
13331 2006-03-02 Ben Elliston <bje@au.ibm.com>
13333 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13334 parameter as unused to suppress a build warning.
13336 2006-03-02 Ben Elliston <bje@au.ibm.com>
13338 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13341 2006-03-01 Roger Sayle <roger@eyesopen.com>
13344 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13345 declared name, the weak reference name, and the typeof name.
13346 (__gthrw): Avoid expanding the declared name suffix.
13347 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13349 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13351 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13353 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13354 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13355 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13356 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13357 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13358 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13359 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13360 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13361 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13362 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13363 (DW_END_default, DW_END_big, DW_END_little): New.
13364 (DW_END_lo_user, DW_END_hi_user): Define.
13365 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13366 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13367 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13370 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13372 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13374 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13376 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13378 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13380 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13381 to 'symbol_mem_tag'.
13383 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13386 2006-03-01 Roger Sayle <roger@eyesopen.com>
13388 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13390 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13393 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13394 MACHO_DYNAMIC_NO_PIC_P.
13395 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13397 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13400 * config/darwin-protos.h (darwin_asm_output_anchor):
13402 * config/darwin-sections.def (cstring_section):
13403 Add SECTION_MERGE to the flags.
13404 (literal4_section): Likewise.
13405 (literal8_section): Likewise.
13406 (objc_selector_refs_section): Likewise.
13407 (objc_cls_refs_section): Likewise.
13408 * config/darwin.c (darwin_asm_output_anchor): New
13410 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13412 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13414 Fix PR tree-optimization/26443
13415 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13416 to todo and PROP_tmt_usage to properties_destroyed.
13417 * tree-ssa-ccp.c (pass_ccp): Ditto.
13418 (pass_store_ccp): Ditto.
13419 * tree-ssa-dom.c (pass_dominator): Ditto.
13421 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13423 * tree-ssa-operands.c: Cleanup whitespace.
13424 (get_asm_expr_operands): Move before first invocation.
13425 (get_indirect_ref_operands): Likewise.
13426 (get_tmr_operands): Likewise.
13427 (get_call_expr_operands): Likewise.
13428 (append_def): Likewise.
13429 (append_use): Likewise.
13430 (append_v_may_def): Likewise.
13431 (append_v_must_def): Likewise.
13432 (add_call_clobber_ops): Likewise.
13433 (add_call_read_ops): Likewise.
13434 (add_stmt_operand): Likewise.
13435 (add_virtual_operand): Likewise.
13436 (build_ssa_operands): Likewise.
13438 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13440 PR middle-end/26022
13442 PR middle-end/24437
13443 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13444 with a call expr to ...
13445 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13447 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13449 * tree-vrp.c (extract_range_from_assert): Remove special
13450 handling for types with super-types.
13452 2006-03-01 Ben Elliston <bje@au.ibm.com>
13454 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13455 and powerpc64-*-linux* configurations.
13456 * config/t-dfprules: New file.
13458 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13459 Compile dfp-bit.c from the source directory using -DWIDTH and
13460 $DFP_CFLAGS to control the compilation of that file, rather than
13461 generating width-specific versions in the build directory.
13462 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13463 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13465 2006-02-28 Zack Weinberg <zackw@panix.com>
13467 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13470 2006-02-28 Eric Christopher <echristo@apple.com>
13472 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13473 Set up IN_LIBGCC definition of TARGET_64BIT.
13474 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13476 2006-02-28 Roger Sayle <roger@eyesopen.com>
13478 PR middle-end/14752
13479 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13480 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13481 cases via the construction of "expr != 0".
13483 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13485 * alias.c (alias_invariant, alias_invariant_size): Remove.
13486 (record_base_value): Remove.
13487 (memrefs_conflict_p): Don't look at alias_invariant.
13488 (end_alias_analysis): Don't free it.
13489 * alias.h (record_base_value): Remove prototype.
13491 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13492 Adam Nemet <anemet@caviumnetworks.com>
13494 * rtl.h (truncated_to_mode): Declare it.
13495 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13496 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13497 (RTL_HOOKS_INITIALIZER): Include it.
13498 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13499 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13500 reg_truncated_to_mode.
13501 * rtlanal.c (truncated_to_mode): Define it.
13502 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13504 2006-02-28 Jeff Law <law@redhat.com>
13506 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13507 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13508 the range allowed by TYPE_PRECISION.
13510 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13512 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13514 PR tree-optimization/26419
13515 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13518 2006-02-27 Zack Weinberg <zackw@panix.com>
13520 * doc/md.texi: Fix typo in previous change.
13522 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13526 2006-02-27 Zack Weinberg <zackw@panix.com>
13528 * rtl.def (define_constraint, define_register_constraint)
13529 (define_memory_constraint, define_address_constraint): New MD forms.
13530 * gensupport.c (process_rtx): Put define_constraint etc on the
13532 * genpreds.c (process_define_predicate): Adjust comment. Validate
13533 the name, and call validate_exp to validate the expression.
13534 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13535 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13536 all callers changed.
13537 (validate_exp, needs_variable, struct constraint_data)
13538 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13539 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13540 (const_dbl_constraints, constraint_max_namelen)
13541 (have_register_constraints, have_memory_constraints)
13542 (have_address_constraints, have_address_constraints)
13543 (have_extra_constraints, have_const_int_constraints)
13544 (have_const_dbl_constraints, mangle, add_constraint)
13545 (process_define_constraint, process_define_register_constraint)
13546 (write_enum_constraint_num, write_lookup_constraint)
13547 (write_insn_constraint_len, write_regclass_for_constraint)
13548 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13549 (write_insn_extra_memory_constraint)
13550 (write_insn_extra_address_constraint)
13551 (write_satisfies_constraint_fns): New.
13552 (write_tm_preds_h): If we have new-style constraint definitions,
13553 prototype the functions generated from them, and define the
13554 old constraint interface (still used by generic code) in terms of
13556 (write_insn_preds_c): If we have new-style constraint definitions,
13557 generate all relevant functions from those definitions.
13558 (main): Handle define_constraint etc.
13559 * genoutput.c (struct constraint_data, indep_constraints)
13560 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13561 (mdep_constraint_len): New data structures and functions, defined
13562 #ifdef USE_MD_CONSTRAINTS.
13563 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13564 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13565 use new logic to validate operand constraints against constraint
13567 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13569 * defaults.h: If none of the old-style constraint macros are
13570 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13571 old-style macros; and poison REG_CLASS_FROM_LETTER,
13572 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13574 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13575 * doc/md.texi: Document new constraint-definition mechanism and the
13576 C interface it provides. Remove references to old mechanism
13577 elsewhere in the document.
13578 (Machine Constraints): Use pathnames relative to gcc directory,
13579 i.e. config/ARCH/FILE. Change i386 section to refer to
13580 config/i386/predicates.md; update that section to match docstrings.
13581 * doc/tm.texi: Move all documentation of the old constraint-
13582 definition macros to their own section, clearly mark as obsolete.
13584 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13585 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13587 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13588 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13589 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13590 constraint strings.
13591 (splits and peepholes): Use satisfies_constraint_*.
13592 * config/i386/i386.c (memory_address_length)
13593 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13595 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13597 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13598 scalar operation to be put back into the loop.
13600 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13603 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13604 (extract_cie_info): Handle S flag in augmentation string.
13605 (execute_cfa_program): If context->signal_frame, execute also
13606 fs->pc == context->ra instructions.
13607 (uw_frame_state_for): If context->signal_frame, don't subtract one
13608 from context->ra to find FDE.
13609 (uw_update_context_1): Set context->signal_frame to
13611 (_Unwind_GetIPInfo): New function.
13612 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13613 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13615 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13616 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13617 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13618 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13619 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13620 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13621 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13622 x86_64_fallback_frame_state): Set fs->signal_frame.
13623 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13624 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13625 (frob_update_context): Likewise. Workaround missing S flag in
13626 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13627 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13628 Remove the psw_addr + 1 hack.
13630 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13632 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13633 with aggregates here.
13634 (find_func_aliases): Remove code for &<aggregate> from here.
13636 2006-02-26 Roger Sayle <roger@eyesopen.com>
13638 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13639 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13640 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13641 as (X & C) ne/eq 0.
13643 2006-02-26 Roger Sayle <roger@eyesopen.com>
13645 PR middle-end/19983
13646 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13648 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13650 * opts.c (decode_options): Do not handle flag_strength_reduce.
13651 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13652 and OPT_fstrength_reduce.
13653 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13654 flag_prefetch_loop_arrays for being nonzero.
13655 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13657 (fprefetch-loop-arrays-rtl): Removed.
13658 (flag_prefetch_loop_arrays): Do not specify the value.
13660 * doc/passes.texi: Update documentation of loop optimizer
13662 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13663 -frerun-loop-opt): Remove.
13665 2006-02-26 Richard Guenther <rguenther@suse.de>
13667 PR tree-optimization/26421
13668 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13669 in function calls that are ADDR_EXPRs as using the whole structure.
13671 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13673 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13674 * tree-pass.h (pass_loop_optimize): Remove.
13675 * passes.c (pass_loop_optimize): Never run it.
13676 * toplev.c (backend_init): Don't call init_loop.
13677 * opts.c (flag_loop_optimize_set): Remove.
13678 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13679 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13680 the old RTL loop optimizer when profiling enabled.
13681 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13682 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13683 pre-headers for the sake of the old RTL loop optimizer.
13684 * Makefile.in: Remove all references to loop.o.
13686 * doc/invoke.texi: Remove all references to -floop-optimize
13687 and -frerun-loop-opt.
13689 2006-02-26 Zack Weinberg <zackw@panix.com>
13691 * doc/md.texi (Machine Constraints): Refer to all files with paths
13692 relative to gcc directory (i.e. config/CPU/file). Add missing
13693 @table @code ... @end table to M32C subsection.
13695 2006-02-26 Roger Sayle <roger@eyesopen.com>
13697 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13699 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13701 2006-02-26 Roger Sayle <roger@eyesopen.com>
13702 James A. Morrison <phython@gcc.gnu.org>
13704 PR middle-end/21137
13705 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13706 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13707 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13708 signedness of the shift operation.
13710 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13712 PR tree-optimization/26359
13713 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13715 2006-02-25 Roger Sayle <roger@eyesopen.com>
13717 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13718 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13719 as X == 0, and some symmetry related transformations.
13720 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13722 2006-02-25 Roger Sayle <roger@eyesopen.com>
13724 PR middle-end/23673
13725 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13726 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13727 symmetry related transformations. Fold (X^C1) == C2 as
13730 2006-02-25 Juergen Weigert <jw@suse.de>
13731 Richard Guenther <rguenther@suse.de>
13733 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13735 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13737 * combine.c (gen_lowpart_or_truncate): Call
13738 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13740 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13742 * doc/invoke.texi: Move -fopenmp description to "Options for
13744 Remove reference to -lgomp.
13746 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13748 * doc/install.texi: Require GNU tar version 1.14.
13750 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13752 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13753 * doc/invoke.texi (C++ Dialect Options): Document
13754 -fno-use-cxa-get-exception-ptr.
13755 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13756 * configure: Regenerate.
13757 * c.opt (fuse-cxa-get-exception-ptr): New.
13758 * c-opts.c (c_common_handle_option): Handle
13759 OPT_fuse_cxa_get_exception_ptr.
13760 * c-common.c (flag_use_cxa_atexit): Update documentation.
13761 (flag_use_cxa_get_exception_ptr): New.
13762 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13763 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13765 (C_COMMON_OVERRIDE_OPTIONS): New.
13767 2006-02-24 Roger Sayle <roger@eyesopen.com>
13769 PR middle-end/24952
13770 * combine.c (try_combine): Explicitly check whether GET_CODE is
13771 a SET or a CLOBBER, instead on checking that it isn't a USE.
13773 2006-02-24 Roger Sayle <roger@eyesopen.com>
13775 * fold-const.c (fold_comparison): New subroutine of fold_binary
13776 containing transformations common to both the equality and
13777 ordering relational operators, factored out of fold_binary.
13778 (fold_binary): Separate out the equality operators (EQ_EXPR
13779 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13780 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13781 transformations common to both.
13782 (fold_div_compare): Fix latent bugs in the previously unreachable
13783 LT_EXPR and GE_EXPR cases.
13785 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13787 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13788 decl libname for clog to __clog on AIX.
13790 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13792 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13795 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13796 output traceback table for thunks. Localise rs6000_stack_info call.
13798 2006-02-23 Roger Sayle <roger@eyesopen.com>
13799 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13801 * gthr-posix.h (__gthrw): Fix typo in comment.
13803 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13805 * doc/cpp.texi (Character sets): Document that we do support
13806 input files to be in any character set.
13808 2006-02-23 Jeff Law <law@redhat.com>
13810 * tree.h (PHI_ARG_NONZERO): Remove.
13811 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13812 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13813 node to the new node.
13815 PR tree-optimization/26425
13816 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13817 min/max, then assume its varying.
13819 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13821 PR rtl-optimization/26316
13822 * rtlanal.c (enum may_trap_p_flags): New.
13823 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13824 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13825 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13826 (may_trap_after_code_motion_p): New function.
13827 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13828 (find_invariant_insn): Use may_trap_after_code_motion_p.
13829 * rtl.h (may_trap_after_code_motion_p): Declare.
13831 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13833 * emit-rtl.c (immed_double_const): Cleanup.
13835 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13837 Fix PR tree-optimization/26376
13838 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13841 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13843 PR middle-end/26412
13844 * gimplify.c (omp_add_variable): Guard variable size decl test with
13845 DECL_SIZE (decl) check.
13847 2006-02-23 Richard Guenther <rguenther@suse.de>
13849 PR middle-end/26439
13850 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13851 like aggregate types.
13853 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13855 * configure.ac: Add --with{,out}-long-double-128 configure option.
13856 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13857 * configure: Rebuilt.
13858 * config.in: Rebuilt.
13859 * doc/install.texi (Options specification): Document
13860 --with-long-double-128.
13862 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13863 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13864 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13865 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13867 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13869 * config/s390/s390.c (override_options): Handle
13870 TARGET_DEFAULT_LONG_DOUBLE_128.
13872 * config/alpha/alpha.c (override_options): Handle
13873 TARGET_DEFAULT_LONG_DOUBLE_128.
13875 * config/sparc/sparc.c (sparc_override_options): Handle
13876 TARGET_DEFAULT_LONG_DOUBLE_128.
13878 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13880 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13881 (real-install-headers-tar, real-install-headers-cpio)
13882 (real-install-headers-cp): New targets.
13884 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13886 * tree.h (variable_section): Delete.
13887 * varasm.c (variable_section): Delete.
13889 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13891 * install.texi: Add notes on install.texi2html.
13892 (Building in parallel): Do not use footnotes.
13894 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13897 * doc/install.texi (Configuration): Document --disable-libgomp.
13899 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13901 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13903 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13905 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13906 (vec_extractv2df_0_sse): New.
13908 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13910 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13911 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13912 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13913 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13914 to the result of the expression.
13915 (def_cfa_1): Adjust.
13916 (frame_pointer_cfa_offset): Rename to...
13917 (frame_pointer_fb_offset): ... this. Adjust all uses.
13918 (convert_cfa_to_loc_list): Rename to...
13919 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13920 Pass it on to build_cfa_loc.
13921 (compute_frame_pointer_to_cfa_displacement): Rename to...
13922 (compute_frame_pointer_to_fb_displacement): ... this. New
13923 offset parameter. Use it in computation.
13924 (gen_subprogram_die): Compute cfa_fb_offset with the new
13925 macro, and use it to compute the fb loc list and the
13928 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13930 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13931 replaced with register_operand.
13932 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13933 non-DREG is expensive.
13934 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13935 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13938 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13940 * doc/install.texi2html: Use set -e.
13942 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13944 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13945 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13946 * doc/invoke.texi (-fshared-data): Delete.
13947 * common.opt (fshared-data): Delete.
13948 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13949 (assemble_static_space): Remove #if 0 code.
13950 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13951 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13952 * config/cris/cris.h: Remove FIXME.
13954 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13956 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13959 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13961 PR middle-end/26379
13962 * combine.c (simplify_shift_const_1): Disable nested shifts
13963 optimization for vector shifts.
13965 2006-02-20 Roger Sayle <roger@eyesopen.com>
13967 PR tree-optimization/26361
13968 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13969 of unsigned integer types.
13971 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13973 * tree-chrec.c (eq_evolutions_p): New.
13974 * tree-chrec.h (eq_evolutions_p): Declared.
13975 * tree-data-ref.c: Fix formatting.
13976 (datadep_stats, dependence_stats): New.
13978 (print_direction_vector): New.
13979 (dump_data_dependence_relation): Use print_direction_vector.
13980 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13981 (compute_subscript_distance): Static.
13982 (initialize_data_dependence_relation): Static. Get the number
13983 of loops surrounding the references from the callers, and initialize
13984 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13985 base_object_differ_p analyzers.
13986 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13987 compute_overlap_steps_for_affine_1_2,
13988 analyze_subscript_affine_affine): Count the classified dependences.
13989 Print a message when a test failed.
13990 (can_use_analyze_subscript_affine_affine): New.
13991 (analyze_siv_subscript): Compute the data dependences on symbolic
13992 scevs that verify can_use_analyze_subscript_affine_affine.
13993 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13994 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13995 Handle symbolic scevs.
13996 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13998 (subscript_dependence_tester): Moved...
13999 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14000 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14001 DDR_SIZE_VECT instead of getting it in parameter.
14002 (subscript_dependence_tester): ... here. Take as a parameter
14003 loop_nest_depth. Call build_classic_dist_vector and
14004 build_classic_dir_vector.
14005 (compute_affine_dependence): Update subscript_dependence_tester
14006 parameters. Update datadep_stats counters. Call
14007 compute_subscript_distance.
14008 (compute_self_dependence): Save the dist and dir vectors. Call
14009 compute_subscript_distance.
14010 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14011 (compute_all_dependences): Reorder parameters as they were before
14012 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14013 compute_subscript_distance. Update the use of
14014 compute_affine_dependence and initialize_data_dependence_relation.
14015 (find_data_references_in_loop): Handle COMPONENT_REF.
14016 (compute_data_dependences_for_loop): Initialize dependence_stats.
14017 Don't call build_classic_dist_vector and build_classic_dir_vector.
14018 Update the parameters of initialize_data_dependence_relation and
14019 compute_all_dependences. Print the statistics from datadep_stats.
14020 (analyze_all_data_dependences): Static. Not used until the pass for
14021 checking the data dependences is contributed.
14022 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14023 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14024 (initialize_data_dependence_relation, compute_affine_dependence,
14025 analyze_all_data_dependences, compute_subscript_distance): Removed.
14026 (print_direction_vector): New.
14027 * lambda.h (gcd): ... here.
14028 (lambda_vector_gcd): Moved here from gcd_vector.
14029 * lambda-code.c (gcd, gcd_vector): Removed.
14030 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14031 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14033 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14035 * ipa-type-escape.c: Tidy some comments and white space.
14036 * tree-ssa-operands.c: Likewise.
14038 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14041 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14042 (dump_decl_name): Do not walk the decl tree chains.
14043 * tree-pass.h (TDF_CHAIN): Remove.
14045 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14047 * Makefile.in (C): Remove
14049 (.PHONY): Remove C and PROTO
14051 2006-02-20 Roger Sayle <roger@eyesopen.com>
14053 PR middle-end/26236
14054 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14055 deprecated CHAR_TYPE tree code.
14057 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14059 * configure.ac (target_list): Add install-info, dvi, html.
14060 * configure: Regenerate.
14062 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14063 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14064 treelang/Make-lang.in: Do not use double-colon rules.
14066 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14068 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14069 (TMT_USED_ALONE): New macro.
14070 * tree-pass.h (PROP_tmt_usage): New property.
14071 (TODO_update_tmt_usage): New todo.
14072 * tree-ssa-alias.c (updating_used_alone): New variable.
14073 (recalculate_used_alone): New function.
14074 (compute_may_aliases): Set updating_used_alone, call
14075 recalculate_used_alone.
14076 * tree-sra.c (pass_sra): Note that this pass destroys
14077 PROP_tmt_usage, and add TODO_update_tmt_usage.
14078 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14079 * tree-flow.h (updating_used_alone): Prototype.
14080 (recalculate_used_alone): Ditto.
14081 * passes.c (execute_todo): Add code to set updating_used_alone,
14082 and call recalculate.
14083 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14084 for clobber if used alone, and add assert to verify used_alone
14087 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14089 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14090 for non tls symbols added.
14091 (legitimize_address): Do nothing for PLUS expressions if one of the
14092 addends is a tls symbol reference.
14094 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14098 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14100 * Makefile.in (BOOTSTRAPPING): New.
14101 (quickstrap): New definition if BOOTSTRAPPING=yes.
14103 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14104 * configure.ac: Substitute all_selected_languages with the languages
14105 that were configured. For all the other variables except
14106 lang_specs_files, include all the languages in the tree.
14107 * configure: Regenerate.
14109 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14110 if there is one. Run the commands to run fixincludes in the same
14113 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14114 * doc/install.texi: Document exact conventions for searching target tools.
14115 Document --with-build-time-tools. Document toplevel bootstrap. Document
14116 something more about building an Ada cross-compiler. Don't list GNU Make
14117 requirements which affect all platforms.
14119 2006-02-19 Roger Sayle <roger@eyesopen.com>
14121 PR middle-end/19543
14122 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14123 only equivalent if the have both the same mode and precision.
14125 2006-02-20 Ben Elliston <bje@au.ibm.com>
14127 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14129 2006-02-19 Roger Sayle <roger@eyesopen.com>
14130 Steven Bosscher <stevenb.gcc@gmail.com>
14132 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14133 constant pool references to identify stack mode constants.
14134 * rtlanal.c (constant_pool_constant_p): New predicate to check
14135 whether operand is a floating point constant in the pool.
14136 * rtl.h (constant_pool_constant_p): Prototype here.
14137 * loop.c (scan_loop): Avoid hoisting constants from the constant
14138 pool on STACK_REGS targets.
14139 (load_mems): Likewise.
14140 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14141 loads into x87 registers expensive in terms of register pressure.
14143 2006-02-19 Roger Sayle <roger@eyesopen.com>
14145 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14146 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14148 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14150 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14151 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14153 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14155 * doc/invoke.texi: Document -fipa-pta.
14156 * common.opt: Add ipa-pta option.
14157 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14158 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14159 (do_ds_constraint): Ditto.
14160 (get_constraint_for): Only add to referenced_vars if
14161 referenced_vars exists.
14162 (insert_into_field_list): Rewrite to do this unsorted.
14163 (insert_into_field_list_sorted): Rename old insert_into_field_list
14165 (create_function_info_for): Use insert_into_field_list_sorted.
14166 (create_variable_info_for): Rewrite so it uses unsorted version,
14167 since the field list is sorted.
14168 (intra_create_variable_infos): Only add to referenced_vars if
14169 referenced_vars exists.
14170 (ipa_pta_execute): Init heapvars, and delete when done.
14171 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14173 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14175 * doc/install.texi: Add missing `@samp'.
14177 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14179 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14182 2006-02-18 Mark Wielaard <mark@klomp.org>
14184 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14185 who added new 4.1 features, bug fixes and integration support.
14187 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14190 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14191 MEM for ABI_V4 pic.
14193 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14195 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14196 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14197 (copy_insn_1): Likewise. Don't copy each field individually.
14199 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14201 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14202 * rtl.c (rtx_size): Rename variable to...
14203 (rtx_code_size): ...this.
14204 (rtx_size): New function.
14205 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14206 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14208 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14209 * rtl.h (rtx_code_size): New variable.
14210 (rtx_size): Change from a variable to a function.
14211 (RTX_SIZE): Rename to...
14212 (RTX_CODE_SIZE): ...this.
14215 PR tree-optimization/17106
14216 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14217 (Anchored Addresses): New section.
14218 * doc/invoke.texi (-fsection-anchors): Document.
14219 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14220 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14221 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14222 * hooks.c (hook_bool_mode_rtx_false): New function.
14223 * hooks.h (hook_bool_mode_rtx_false): Declare.
14224 * gengtype.c (create_optional_field): New function.
14225 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14226 SYMBOL_REF_IN_BLOCK_P is true.
14227 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14228 (min_anchor_offset, max_anchor_offset): Likewise.
14229 (use_anchors_for_symbol_p): New hook.
14230 * toplev.c (compile_file): Call output_object_blocks.
14231 (target_supports_section_anchors_p): New function.
14232 (process_options): Check that -fsection-anchors is only used on
14233 targets that support it and when -funit-at-a-time is in effect.
14234 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14235 if the decl doesn't have one.
14236 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14237 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14238 of force_const_mem through use_anchored_address.
14239 (expand_expr_constant): New function.
14240 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14241 calling expand_expr for INDIRECT_REF.
14242 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14243 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14244 * expr.h (use_anchored_address): Declare.
14245 * loop-unroll.c: Don't declare rtx vectors here.
14246 * explow.c: Include output.h.
14247 (validize_mem): Call use_anchored_address.
14248 (use_anchored_address): New function.
14249 * common.opt (-fsection-anchors): New switch.
14250 * varasm.c (object_block_htab, anchor_labelno): New variables.
14251 (hash_section, object_block_entry_eq, object_block_entry_hash)
14252 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14253 (use_blocks_for_decl_p, change_symbol_section): New functions.
14254 (get_variable_section): New function, split out from assemble_variable.
14255 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14256 use_blocks_for_decl_p say so. Use change_symbol_section if the
14257 symbol has already been created.
14258 (assemble_variable_contents): New function, split out from...
14259 (assemble_variable): ...here. Don't output any code for
14260 block symbols; just pass them to place_block_symbol.
14261 Use get_variable_section and assemble_variable_contents.
14262 (get_constant_alignment, get_constant_section, get_constant_size): New
14263 functions, split from output_constant_def_contents.
14264 (build_constant_desc): Create a block symbol if use_object_blocks_p
14265 says so. Or into SYMBOL_REF_FLAGS.
14266 (assemble_constant_contents): New function, split from...
14267 (output_constant_def_contents): ...here. Don't output any code
14268 for block symbols; just pass them to place_section_symbol.
14269 Use get_constant_section and get_constant_alignment.
14270 (force_const_mem): Create a block symbol if use_object_blocks_p and
14271 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14272 (output_constant_pool_1): Add an explicit alignment argument.
14273 Don't switch sections here.
14274 (output_constant_pool): Adjust call to output_constant_pool_1.
14275 Switch sections here instead. Don't output anything for block symbols;
14276 just pass them to place_block_symbol.
14277 (init_varasm_once): Initialize object_block_htab.
14278 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14279 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14280 (place_block_symbol, get_section_anchor, output_object_block)
14281 (output_object_block_htab, output_object_blocks): New functions.
14282 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14283 (TARGET_ASM_OUT): Include it.
14284 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14285 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14286 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14287 (TARGET_INITIALIZER): Include them.
14288 * rtl.c (rtl_check_failed_block_symbol): New function.
14289 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14290 (block_symbol, object_block): New structures.
14291 (rtx_def): Add a block_symbol field to the union.
14292 (BLOCK_SYMBOL_CHECK): New macro.
14293 (rtl_check_failed_block_symbol): Declare.
14294 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14295 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14296 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14297 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14298 * output.h (output_section_symbols): Declare.
14299 (object_block): Name structure.
14300 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14301 (default_use_anchors_for_symbol_p): Declare.
14302 * Makefile.in (RTL_BASE_H): Add vec.h.
14303 (explow.o): Depend on output.h.
14304 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14305 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14306 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14307 (rs6000_use_blocks_for_constant_p): New function.
14309 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14311 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14313 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14316 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14319 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14321 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14325 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14327 PR middle-end/26334
14328 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14329 instead of DECL_REGISTER.
14331 2006-02-18 Olivier Hainque <hainque@adacore.com>
14334 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14336 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14339 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14340 * opth-gen.awk: Handle Var and InverseMask together.
14341 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14342 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14343 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14344 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14346 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14347 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14348 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14349 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14350 LINUX_DYNAMIC_LINKER): Define.
14351 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14352 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14354 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14355 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14356 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14358 (TARGET_C99_FUNCTIONS): Don't define.
14359 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14360 GLIBC_DYNAMIC_LINKER.
14361 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14362 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14363 GLIBC_DYNAMIC_LINKER64): Define.
14364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14365 LINUX_DYNAMIC_LINKER64.
14366 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14368 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14370 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14372 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14373 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14374 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14375 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14376 and LINUX_DYNAMIC_LINKER32.
14377 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14379 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14381 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14383 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14384 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14385 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14386 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14387 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14388 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14389 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14390 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14391 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14392 LINUX_DYNAMIC_LINKER): Define.
14393 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14394 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14395 GLIBC_DYNAMIC_LINKER64): Define.
14396 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14397 LINUX_DYNAMIC_LINKER64.
14398 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14399 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14400 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14401 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14402 LINUX_DYNAMIC_LINKER): Define.
14403 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14404 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14405 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14406 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14407 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14408 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14409 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14410 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14411 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14412 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14413 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14414 * doc/invoke.texi (-muclibc): Remove caveat about supported
14417 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14419 * doc/cpp.texi (__TIMESTAMP__): Document.
14421 2006-02-17 Roger Sayle <roger@eyesopen.com>
14423 PR middle-end/25600
14424 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14425 C is one less than the width of X (and related transformations).
14426 * simplify-rtx.c (simplify_unary_operation_1): Transform
14427 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14428 depending on STORE_FLAG_VALUE, were C is one less then the
14431 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14433 Fix PR tree-optimization/26341
14434 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14435 about NAME_MEMORY_TAG's.
14437 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14440 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14441 with hardware float support, and software float support. Add fcpy
14442 alternative to hardware patterns. Add alternatives to copy between
14443 general and floating-point registers to the 32-bit pattern.
14444 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14445 secondary reload to load a QI or HI mode constant into a floating
14447 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14448 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14450 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14453 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14455 (load_macho_picbase_di): Likewise.
14457 2006-02-16 Jeff Law <law@redhat.com>
14459 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14460 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14461 (ssa_name_nonzero_p): Likewise.
14462 (get_value_range): Return NULL if VRP is not running.
14463 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14464 VRP routines do not discover a range.
14465 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14466 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14467 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14468 (tree_expr_nonnegative_p): Similarly.
14469 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14470 (restore_nonzero_vars_to_original_value): Remove.
14471 (unsafe_associative_fp_binop): Remove.
14472 (tree_ssa_dominator_optimize): Remove initialization and
14473 finalization of nonzero_vars and nonzero_vars_stack.
14474 (dom_opt_initialize_block): No longer push marker on
14475 nonzero_vars_stack.
14476 (dom_opt_finalize_block): No longer call
14477 restore_nonzero_vars_to_original_value.
14478 (record_equivalences_from_phis): No longer look for
14479 nonzero PHI arguments.
14480 (cprop_into_successor_phis): No longer propagate nonzero
14481 property into PHI arguments. Lose unused argument. Caller
14483 (record_equivalences_from_stmt): No longer record nonzero
14484 values for SSA_NAMEs.
14485 (lookup_avail_expr): No longer use nonzero_vars.
14487 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14488 for sizetype when sizetype is unsigned.
14490 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14492 PR rtl-optimization/25603
14493 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14494 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14495 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14496 with new meaning of SETS.
14498 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14503 * config/linux.opt: New file.
14504 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14505 LINUX_DYNAMIC_LINKER): Define.
14506 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14507 * config.gcc (*-*-linux*): Define extra_options.
14508 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14509 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14510 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14511 GLIBC_DYNAMIC_LINKER.
14512 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14513 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14514 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14516 * doc/invoke.texi (GNU/Linux Options): New section.
14518 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14520 * config/sparc/sparc.md (setjmp): Rewrite.
14521 (setjmp_32): Delete.
14522 (setjmp_64): Likewise.
14524 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14526 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14529 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14531 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14534 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14536 PR rtl-optimization/26296
14537 * Makefile.in (loop-invariant.c): Add except.h dependency.
14538 * loop-invariant.c: Include except.h.
14539 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14541 2005-02-16 Paul Brook <paul@codesourcery.com>
14543 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14546 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14548 PR rtl-optimization/25636
14549 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14550 when deciding whether an insn is an initializing insn.
14552 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14554 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14555 (tree_code_size): Ditto.
14556 * tree.h (struct tree_memory_tag): Remove parent_var.
14557 (struct tree_struct_field_tag): New.
14560 (union tree_node): Add sft member.
14561 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14563 (create_sft): Add size and offset argument, set SFT_OFFSET and
14565 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14566 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14567 * tree-flow-inline.h (get_subvar_at): Update for
14568 SFT_OFFSET/SFT_SIZE.
14569 (var_can_have_subvars): Ditto.
14570 (overlap_subvar): Ditto.
14571 * print-tree.c (print_node): Print out interesting things for
14573 * tree-flow.h (struct subvar): Remove offset and size members.
14574 * tree-ssa-operands.c (get_expr_operands): Update for
14575 get_indirect_ref_operands changes.
14576 (get_indirect_ref_operands): Call add_virtual_operand instead of
14577 add_stmt_operand. Only recurse on base var if requested.
14578 (access_can_touch_variable): New function.
14579 (add_stmt_operand): Split virtual operand handling into ...
14580 (add_virtual_operand): Here. Add offset, size, and for_clobber
14581 arguments. Prune alias sets.
14582 (add_call_clobber_ops): Call add_virtual_operand.
14584 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14586 PR middle-end/26300
14587 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14589 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14590 than TREE_CODE as index into omp_clause_num_ops array.
14592 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14594 PR rtl-optimization/26184
14595 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14597 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14598 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14599 must_precede, must_follow and tobe_scheduled.
14602 * opts.c (common_handle_option): Free new_option pointer.
14603 * df-core.c (df_analyze): Free postorder pointer.
14605 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14607 * Makefile.in: Fix the examples about the use of stamps
14609 2006-02-15 Michael Matz <matz@suse.de>
14611 PR middle-end/22275
14613 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14614 influenced by maximum_field_alignment or DECL_PACKED.
14615 (update_alignment_for_field): Ditto.
14616 (place_field): Ditto.
14617 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14620 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14622 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14623 (debug_flow_info): Pass it.
14624 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14625 * bb-reorder.c (reorder_basic_blocks): Likewise.
14626 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14627 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14628 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14629 * gcse.c (gcse_main, bypass_jumps): Likewise.
14630 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14631 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14632 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14633 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14634 * rtl.h (dump_flow_info): Adjust prototype.
14635 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14636 * var-tracking.c (variable_tracking_main): Likewise.
14637 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14638 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14641 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14643 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14646 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14648 PR tree-optimization/26209
14649 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14650 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14652 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14654 2006-02-14 Roger Sayle <roger@eyesopen.com>
14656 PR middle-end/23670
14657 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14658 (X,Y) and the corresponding symmetry related transformations.
14659 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14660 (X,Y) and its symmetry related transformations.
14662 2006-02-14 Roger Sayle <roger@eyesopen.com>
14664 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14667 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14669 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14671 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14674 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14675 support COMDAT group.
14676 * configure: Regenerate.
14678 2006-02-14 Roger Sayle <roger@eyesopen.com>
14680 PR middle-end/26279
14681 PR middle-end/26280
14682 PR middle-end/26283
14683 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14685 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14687 Fix PR tree-optimization/26260
14689 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14691 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14692 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14693 * tree-ssa-structalias.c (create_variable_info_for): Use
14694 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14696 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14698 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14700 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14701 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14702 of the ending condition.
14703 * tree-ssa-loop-manip.c: Include params.h.
14704 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14705 tree_unroll_loop): New functions.
14706 * tree-pass.h (pass_loop_prefetch): Declare.
14707 * loop.c (rest_of_handle_loop_optimize): Test for
14708 -fprefetch-loop-arrays-rtl.
14709 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14710 * timevar.def (TV_TREE_PREFETCH): New timevar.
14711 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14712 pass_loop_prefetch): New.
14713 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14714 (cleanup_tree_cfg_loop): Call scev_reset.
14715 * common.opt (fprefetch-loop-arrays-rtl): Add.
14716 * tree-ssa-loop-prefetch.c: New file.
14717 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14718 (new_temp_expr_table): Initialize expr_vars.
14719 (free_temp_expr_table): Cleanup expr_vars.
14720 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14721 expressions from being merged into one.
14722 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14723 (struct tree_niter_desc): Add control, bound and cmp fields.
14724 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14726 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14727 (tree-cfgcleanup.o): Add SCEV_H dependency.
14728 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14729 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14731 2006-02-14 Richard Guenther <rguenther@suse.de>
14733 PR tree-optimization/26258
14734 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14735 in PHI argument processing.
14737 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14739 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14740 new expression in the requested machine mode.
14742 2006-02-13 Roger Sayle <roger@eyesopen.com>
14744 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14745 directly, instead let do_compare_rtx_and_jump handle this for us.
14746 * expr.c (expand_expr_real_1): Likewise.
14747 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14748 before do_jump_by_parts_greater.
14749 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14750 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14752 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14754 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14756 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14758 PR rtl-optimization/26235
14759 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14760 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14763 2006-02-13 Jeff Law <law@redhat.com>
14765 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14768 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14770 PR middle-end/26092
14771 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14772 twice if decl is a builtin. When trying again, call get_callee_fndecl
14773 first to verify it is still a builtin.
14775 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14777 * dwarf2out.c (base_type_die): Don't add AT_name here.
14778 (subrange_type_die): Don't add AT_name here.
14779 (modified_type_die): Rearrange code flow. Do add AT_name here.
14781 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14783 PR rtl-optimization/26247
14784 PR rtl-optimization/26248
14785 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14787 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14789 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14790 * config/fixtfdi.c: Likewise.
14791 * config/fixunstfdi.c: Likewise.
14792 * config/floatditf.c: Likewise.
14794 2006-02-13 Roger Sayle <roger@eyesopen.com>
14796 PR middle-end/24427
14797 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14798 into (X,C2) if C1 is a subset of the bits of C2. Transform
14799 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14801 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14803 2006-02-13 Josh Conner <jconner@apple.com>
14806 * varasm.c (function_section): Check for section name before
14807 calling select_section on targets that define
14808 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14809 unlikely_text_section instead of hot_function_section if
14810 first_function_block_is_cold.
14812 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14814 PR middle-end/25335
14815 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14817 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14819 PR rtl-optimization/26222
14820 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14821 after tree->rtl expansion.
14822 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14823 before passing it to emit_move_insn.
14825 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14827 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14829 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14830 Clarify documentation.
14831 * c-common.h (warn_write_strings): Remove.
14832 * c-common.c (warn_write_strings): Likewise.
14833 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14836 2006-02-12 Roger Sayle <roger@eyesopen.com>
14838 PR middle-end/25724
14839 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14840 (do_jump_parts_zero_rtx): New function renamed from
14841 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14842 (do_jump_parts_equality_rtx): New function split out from
14843 do_jump_parts_equality. Old implementation renamed as above.
14844 Call do_jump_parts_zero_rtx if either operand is zero.
14845 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14846 do all of the heavy lifting.
14847 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14848 calling either do_jump_by_parts_greater_rtx or
14849 do_jump_by_parts_equality_rtx.
14850 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14851 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14852 moved to do_compare_rtx_and_jump, call it directly.
14853 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14854 mode argument. Call do_compare_rtx_and_jump.
14855 (emit_case_nodes): Update calls to do_jump_if_equal.
14857 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14859 PR rtl-optimization/26225
14860 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14862 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14864 PR rtl-optimization/26232
14865 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14867 2006-02-11 Jason Merrill <jason@redhat.com>
14870 * tree-inline.c (declare_return_variable): Just don't use the
14871 modify target if it's a gimple complex reg and the return slot
14874 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14876 * doc/contrib.texi: Update my entry.
14878 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14880 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14882 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14884 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14887 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14889 * doc/invoke.texi (-floop-optimize2): Removed.
14890 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14891 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14892 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14893 * common.opt (floop-optimize2): Removed.
14894 (fmove-loop-invariants): Enabled by default.
14896 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14898 * tree-if-conv.c (combine_blocks): Free the result of
14899 get_loop_exit_edges.
14901 2006-02-10 Jeff Law <law@redhat.com>
14903 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14905 PR tree-optimization/26213
14906 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14907 loop trying to follow SSA_NAME_VALUE chains.
14909 2006-02-10 Richard Guenther <rguenther@suse.de>
14911 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14912 deal with structures that end in implicitly variable sized arrays.
14914 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14916 PR rtl-optimization/24762
14917 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14920 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14922 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14923 (struct ivopts_data): Add regs_used field.
14924 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14925 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14926 instead of loop_data->regs_used;
14927 (free_loop_data): Do not free aux fields for loops.
14928 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14929 and tree_ssa_iv_optimize_finalize.
14931 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14933 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14935 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14938 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14939 computing the effective result type.
14941 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14943 PR inline-asm/16194
14944 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14945 (tree_overlaps_hard_reg_set): Declare.
14946 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14947 type and signature to match function type expected by walk_tree.
14948 (tree_overlaps_hard_reg_set): New function.
14949 (decl_conflicts_with_clobbers_p): Rename to:
14950 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14951 Use tree_overlaps_hard_reg_set. Changed caller.
14952 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14953 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14954 * cris.c (cris_md_asm_clobbers): Likewise.
14956 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14958 * reload1.c (emit_input_reload_insns): Delete code that tries to
14959 inherit using find_equiv_reg.
14961 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14963 * c-common.h (flag_const_strings): Don't declare.
14964 * c-common.c (flag_const_strings): Remove.
14965 * c.opt (fconst_strings): Remove.
14966 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14967 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14968 (c_common_init_options): Don't set flag_const_strings.
14969 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14971 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14973 * arm.md (tlobits_cbranch): New pattern.
14974 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14975 testing a single bit.
14977 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14980 * tree-ssa-pre.c (create_component_ref_by_pieces):
14981 Handle RETURN_DECL like VAR_DECL.
14983 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14985 PR middle-end/26134
14986 * fold-const.c (fold_indirect_ref_1): Fold
14987 "*(foo *)&complexfoo" to "__real__ complexfoo"
14988 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14990 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14992 * tree-flow-inline.h (var_can_have_subvars):
14993 Volatile variables should not have subvariables.
14995 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14998 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14999 multiplying unsigned values.
15002 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15004 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15006 2006-02-08 Jason Merrill <jason@redhat.com>
15009 * tree.def: Elaborate on difference from MODIFY_EXPR.
15010 * doc/c-tree.texi (INIT_EXPR): Likewise.
15011 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15012 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15013 (gimplify_target_expr): Likewise.
15014 (gimplify_cond_expr): Remove target handling.
15015 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15016 (gimplify_expr): Clobber it here.
15017 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15018 Do return slot optimization if we have an INIT_EXPR.
15021 * tree-inline.c (declare_return_variable): Also clear
15022 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15025 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15027 PR middle-end/22439
15028 * gimplify.c (gimplify_one_sizepos): Fix typo.
15030 2006-02-08 Jeff Law <law@redhat.com>
15032 PR tree-optimization/21417
15033 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15034 across a backedge if the control statement at the end of the
15035 block is data dependent on other statements in the same block.
15036 (record_temporary_equivalences_from_stmts): Remove over-conservative
15037 test for threading across backedges.
15039 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15040 control statement, handle all three special cases in the same
15041 manner as they all have the same desired solution. No longer
15042 special case edge flag updating when the post dominator is
15045 2006-02-08 Roger Sayle <roger@eyesopen.com>
15047 * tree.def (CHAR_TYPE): Remove.
15048 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15049 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15050 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15051 (gen_string_type_die): Delete unreachable function.
15053 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15054 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15055 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15056 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15057 * builtins.c (type_to_class): Likewise.
15058 * fold-const.c (fold_convert, build_range_check,
15059 merge_ranges): Likewise.
15060 * expr.c (count_type_elements): Likewise.
15061 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15062 * stor-layout.c (layout_type): Likewise.
15063 * ipa-type-escape.c (type_to_consider): Likewise.
15064 * gimplify.c (omp_firstprivatize_type_sizes,
15065 gimplify_type_sizes): Likewise.
15066 * explow.c (promote_mode): Likewise.
15067 * tree-sra.c (is_sra_scalar_type): Likewise.
15068 * varasm.c (output_constant): Likewise.
15069 * tree-inline.c (remap_type_1): Likewise.
15070 * convert.c (convert_to_pointer, convert_to_real,
15071 convert_to_integer, convert_to_complex): Likewise.
15073 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15075 * df-scan.c (df_def_record_1): A set destination may
15076 be a parallel regardless of mode.
15078 2006-02-08 Roger Sayle <roger@eyesopen.com>
15081 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15082 * config/mips/_tilib.c: Remove.
15083 * config/fixtfdi.c: New libgcc source file.
15084 * config/fixunstfdi.c: New source file.
15085 * config/floatditf.c: New source file.
15086 * config/floatunditf.c: New souce file.
15087 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15088 files above instead of config/mips/_tilib.c.
15089 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15091 2006-02-08 Jeff Law <law@redhat.com>
15093 PR tree-optimization/26169
15094 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15097 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15099 * df.h (DF_REG_SIZE): Return the length of the initialized
15102 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15104 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15105 __muldf3): Return a correctly signed zero.
15107 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15109 * passes.c (register_one_dump_file): Accept the current properties
15110 instead of pass number. Adjust call to dump_register. Remove
15112 (register_dump_files): Now a wrapper around...
15113 (register_dump_files_1): ... this one. Do not modify the pass
15115 (next_pass_1): Cosmetic fix.
15116 (execute_todo): Keep second parameter only. Use curr_properties
15117 instead of fetching it from the pass structure. Check and set
15119 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15120 instead of fetching it from the pass structure. Fix calls to
15121 execute_todo. Update curr_properties and initialize .vcg RTL dump
15122 after running the pass. Reset last_verified.
15123 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15125 (FIRST_AUTO_NUMBERED_DUMP): New.
15126 (dump_register): Remove "num" parameter, assign it within the
15128 (get_dump_file_name): Modify template for dumps.
15129 * tree-dump.h (dump_register): Adjust prototype.
15130 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15131 (PROP_trees): Add PROP_gimple_lomp.
15132 (TODO_set_props): New.
15133 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15134 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15135 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15137 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15139 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15140 (sparc64-*-linux*): Likewise.
15141 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15142 * config/sparc/t-linux: New file.
15143 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15144 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15145 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15146 -m32 -mlong-double-128.
15148 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15149 * config/alpha/t-linux: New file.
15150 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15152 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15153 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15154 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15155 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15156 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15157 (CPP_ARCH32_SPEC): Remove.
15159 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15161 PR tree-optimization/26145
15162 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15165 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15168 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15169 >= 240000 when generating code for SOM runtime.
15170 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15171 to $$dyncall when generating code for SOM runtime..
15173 2006-02-07 Dirk Mueller <dmueller@suse.com>
15176 * doc/invoke.texi (-Wsequence-point): Update documentation
15177 that -Wsequence-point is implemented for C++ as well.
15179 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15181 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15182 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15183 (LIB_SPEC): Likewise.
15184 * doc/invoke.texi (SPARC options): Document -pthread.
15186 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15188 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15191 2006-02-07 Roger Sayle <roger@eyesopen.com>
15193 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15194 Correct comment describing BOOLEAN_TYPE.
15196 2006-02-07 Dirk Mueller <dmueller@suse.com>
15198 * c.opt: C++ frontend supports -Wdiv-by-zero.
15199 * c-opts.c (c_common_handle_option): Remove dead case.
15201 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15203 * configure.ac (TLS assembler check): Do not enable TLS by
15204 default on SPARC/Solaris before version 10.
15205 * configure: Regenerate.
15207 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15209 * doc/invoke.texi (xl-compat): Document conversion and support
15212 2006-02-07 Jeff Law <law@redhat.com>
15214 * tree-vrp.c (find_conditional_asserts): Update comments.
15215 (simplify_stmt_for_jump_threading): New.
15216 (identify_jump_threads, finalize_jump_threads): New.
15217 (vrp_finalize): Call identify_jump_threads.
15218 (execute_vrp): Call finalize_jump_threads.
15219 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15220 (vrp_element, vrp_data, vrp_element_p): Remove.
15221 (vrp_hash_elt, vrp_variables_stack): Remove.
15222 (vrp_hash, vrp_eq, record_range): Remove.
15223 (simplify_cond_and_lookup_avail_expr): Remove.
15224 (extract_range_from_cond): Remove.
15225 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15226 (simplify_stmt_for_jump_threading): New.
15227 (dom_thread_across_edge): New wrapper.
15228 (tree_ssa_dominator_optimize): No longer initialize or
15229 finalize any of the VRP datastructures. Remove iteration
15230 step and simplify as a result of removal of iteration step.
15231 (pass_dominator): Perform a cfg cleanup after DOM.
15232 (dom_opt_finalize_block): Use the new common routines
15233 for threading jumps. Simplify stack management slightly.
15234 No longer need to unwind VRP state.
15235 (record_equivalences_from_incoming_edge): No longer record
15237 (eliminate_redundant_computations): No longer call
15238 simplify_cond_and_lookup_avail_expr.
15239 * tree-flow.h (potentially_threadable_block): Prototype.
15240 (thread_across_edge): Likewise.
15241 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15242 (tree-ssa-threadedge.o): Add dependencies.
15243 * tree-ssa-threadedge.c: New file.
15244 * passes.c (init_optimization_passes): Merge PHIs before
15245 calling VRP. Run VRP again late in the SSA optimization pipeline.
15247 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15249 * df-core.c (df_set_blocks): Do not dereference function pointers.
15250 (df_finish1): Likewise.
15251 (df_hybrid_search_forward): Likewise.
15252 (df_hybrid_search_backward): Likewise.
15253 (df_iterative_dataflow): Likewise.
15254 (df_analyze_problem): Likewise.
15255 (df_compact_blocks): Likewise.
15256 (df_dump): Likewise.
15257 * df-scan.c (df_rescan_blocks): Likewise.
15258 (df_record_entry_block_defs): Likewise.
15260 * genconditions.c (write_conditions): Guard the definition of
15261 'insn_conditions' with the check on GCC version.
15262 (write_writer): Guard the traversal 'insn_conditions' with
15263 the check on GCC version.
15265 2006-02-07 Richard Guenther <rguenther@suse.de>
15269 2006-01-30 Richard Guenther <rguenther@suse.de>
15271 * gimplify.c (gimplify_target_expr): Handle easy cases
15272 without creating a temporary.
15274 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15276 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15277 use of float in probability computations. Use edge probabilities
15278 in place of statically computed probabilities.
15279 (min_spec_prob): New static variable.
15280 (schedule_insns): Initialize it.
15281 (GET_SRC_PROB): Removed.
15282 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15284 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15287 * config/ia64/unwind-ia64.c: Revert last change.
15288 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15289 (INCOMING_FRAME_SP_OFFSET): Define.
15291 2006-02-06 Roger Sayle <roger@eyesopen.com>
15293 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15295 2006-02-07 Ben Elliston <bje@au.ibm.com>
15297 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15298 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15299 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15300 (ix86_return_in_memory): Handle TDmode.
15301 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15302 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15304 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15306 * reorg.c (dbr_schedule): Use dump_file instead of file.
15308 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15311 * config/ia64/predicates.md (extr_len_operand): New predicate.
15312 * config/ia64/ia64.md (extv): Tighten constraints.
15314 (*tbit_and_2): Ditto.
15315 (*tbit_and_3): Ditto.
15316 (*tbit_or_2): Ditto.
15317 (*tbit_or_3): Ditto.
15318 (*bit_zero): Ditto.
15321 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15324 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15326 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15328 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15329 loop_optimizer_init and loop_optimizer_finalize
15330 * tree-ssa-sink.c (execute_sink_code): Ditto.
15331 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15332 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15333 tree_ssa_loop_done): Ditto.
15334 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15335 * sched-ebb.c: Include output.h.
15336 (schedule_ebbs): Do not use dump argument.
15337 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15338 * loop.c (loop_dump_stream): Removed.
15339 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15341 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15342 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15343 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15344 loop_iterations, strength_reduce, record_biv, record_giv,
15345 final_giv_value, check_final_value, check_ext_dependent_givs,
15346 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15347 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15348 dump_file instead of loop_dump_stream.
15349 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15350 argument dump_file.
15351 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15353 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15354 * haifa-sched.c: Include output.h
15355 (schedule_insns, sched_init): Do not use dump argument.
15356 * mode-switching.c (optimize_mode_switching): Ditto.
15357 * modulo-sched.c (stats_file): Removed.
15358 (print_node_sched_params): Do not call argument dump_file.
15359 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15360 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15362 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15364 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15365 rtl_loop_init, rtl_loop_done): Ditto.
15366 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15367 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15369 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15370 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15371 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15372 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15373 * emit-rtl.c (renumber_insns): Ditto.
15374 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15375 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15376 * regclass.c (regclass): Ditto.
15377 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15378 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15379 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15380 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15382 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15383 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15385 * gcse.c (gcse_file, debug_stderr): Removed.
15386 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15387 rest_of_handle_gcse): Do not use dump argument.
15388 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15389 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15390 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15391 compute_code_hoist_vbeinout, compute_code_hoist_data,
15392 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15393 compute_store_table, build_store_vectors, insert_insn_start_bb,
15394 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15395 store_motion): Use dump_file instead of gcse_file.
15396 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15397 * profile.c (profile_dump_file): Removed.
15398 (branch_prob): Use dump_file instead of profile_dump_file.
15399 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15401 * tree-ssa-copy.c (dump_copy_of): Ditto.
15402 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15403 dump file to life_analysis.
15404 * bt-load.c (branch_target_load_optimize): Ditto.
15405 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15407 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15408 regclass, dbr_schedule): Declaration changed.
15409 * sched-int.h (sched_init): Declaration changed.
15410 * tree-profile.c (tree_profile_dump_file): Removed.
15411 (tree_profile_hooks): Removed profile_dump_file hook.
15412 * rtl-profile (rtl_profile_dump_file): Removed.
15413 (rtl_profile_hooks): emoved profile_dump_file hook.
15414 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15416 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15417 * tree-cfg.c (build_tree_cfg): Ditto.
15418 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15419 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15420 Declaration changed.
15421 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15422 life_analysis and schedule_insns.
15423 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15425 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15427 * config/mips/mips.c (mips_reorg): Ditto.
15428 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15431 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15433 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15434 (s390_mangle_fundamental_type): New.
15435 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15438 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15439 (alpha_mangle_fundamental_type): New.
15440 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15443 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15445 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15447 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15448 (sparc_mangle_fundamental_type): New.
15450 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15452 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15453 (s390x-*-linux*): Likewise.
15454 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15455 * config/s390/t-linux: New file.
15457 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15459 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15460 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15462 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15464 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15465 (ANTIC_SAFE_LOADS): New macro.
15466 (find_or_generate_expression): Add prototype.
15467 (set_contains_value): Allow null set for sake of not always having
15468 to allocate ANTIC_SAFE_LOADS.
15469 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15470 Allow COMPONENT_REF too.
15471 (valid_in_set): Allow COMPONENT_REF.
15472 Check ANTIC_SAFE_LOADS too.
15473 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15474 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15476 (can_PRE_operation): Add COMPONENT_REF.
15477 (create_component_ref_by_pieces): New function.
15478 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15479 (insert_aux): Move AGGREGATE_TYPE_P check here.
15480 (compute_avail): Set bb local stmt uids.
15481 (pass_pre): Use TODO_update_ssa_only_virtuals.
15483 2006-02-06 Ben Elliston <bje@au.ibm.com>
15485 * configure.ac: Unconditionally disable decimal float by default.
15486 * configure: Regenerate.
15488 2006-02-06 Ben Elliston <bje@au.ibm.com>
15490 * read-rtl.c (read_name): Terminate reading on EOF.
15492 2006-02-06 Ben Elliston <bje@au.ibm.com>
15494 * dfp.c (decimal_real_arithmetic): Change second argument type
15495 from int to enum tree_code. Do not always return true, but now
15496 return result of any call to decimal_do helper functions.
15497 * dfp.h (decimal_real_arithmetic): Update prototype.
15499 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15501 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15503 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15506 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15509 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15511 * tree-vrp.c (cfg_loops): Removed.
15512 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15513 Use current_loops instead of cfg_loops. Pass flags to
15514 loop_optimizer_init.
15515 * cfgloopmanip.c (fix_loop_structure): Update only available
15517 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15518 loop_optimizer_init.
15519 * modulo-sched.c (build_loops_structure): Removed.
15520 (sms_schedule): Use loop_optimizer_init.
15521 * loop-init.c (loop_optimizer_init): Use flags to determine
15522 which properties of loops to prepare.
15523 (rtl_loop_init): Pass flags to loop_optimizer_init.
15524 * tree-ssa-sink.c (execute_sink_code): Ditto.
15525 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15526 * tree-ssa-pre.c (init_pre): Ditto.
15527 * cfgloop.h (LOOPS_NORMAL): New.
15528 (loop_optimizer_init): Declaration changed.
15530 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15532 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15533 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15535 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15537 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15539 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15540 * pa/t-pa64: Delete quadlib.c rule.
15541 * pa/x-ada: Revert last change.
15542 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15544 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15546 PR rtl-optimization/26087
15547 * rtlanal.c (canonicalize_condition): Do not cross basic block
15550 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15553 * config/ia64/ia64.c: Include debug.h.
15554 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15555 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15556 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15557 (process_epilogue, process_set, process_for_unwind_directive):
15558 Output unwind info only if requested. Add CFA info if requested.
15559 Add new arguments as needed. Adjust callers.
15560 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15562 (DWARF2_FRAME_INFO): Define to zero.
15563 * config/ia64/unwind-ia64.c: Remove code that compensated for
15564 the CFA offset error fixed above.
15565 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15566 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15567 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15568 -funwind-tables and -fexceptions to enable frame info.
15569 (dwarf2out_frame_init): Define initial CFA even if
15570 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15571 DWARF2_UNWIND_INFO is nonzero, not just defined.
15572 (dwarf2out_frame_finish): Output non-EH call frame info only
15573 if DWARF2_FRAME_INFO is nonzero.
15574 (convert_cfa_to_loc_list,
15575 compute_frame_pointer_to_cfa_displacement): Define even if
15576 unwind info is not supported.
15577 (gen_subprogram_die): Use the above unconditionally. Remove
15578 legacy alternate code.
15579 * toplev.c (compile_file): Compile in call to
15580 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15581 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15583 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15584 Jakub Jelinek <jakub@redhat.com>
15586 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15587 IBM extended float format long double as "g" on powerpc*-linux.
15589 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15592 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15593 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15595 2006-02-03 Jason Merrill <jason@redhat.com>
15598 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15600 PR middle-end/25977
15601 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15602 on the return slot if it's an NRV.
15604 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15606 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15607 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15608 rewrite_use): Do not handle USE_OUTER.
15609 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15610 add_iv_outer_candidates, may_replace_final_value,
15611 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15612 (find_interesting_uses_op): Functionality of
15613 find_interesting_uses_outer_or_nonlin moved here.
15614 (find_interesting_uses_outside): Use find_interesting_uses_op.
15616 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15619 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15621 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15622 Ulrich Weigand <uweigand@de.ibm.com>
15625 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15626 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15627 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15628 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15630 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15631 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15632 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15633 Define secondary reloads for TFmode moves.
15634 (constant_modes): Add TFmode.
15635 (NR_C_MODES): Set to 8.
15636 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15638 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15639 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15640 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15641 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15642 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15643 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15644 (FPR mode macro): Add TFmode.
15645 (DSF mode macro): New.
15646 (<de>, <dee> mode attributes): Removed.
15647 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15648 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15649 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15650 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15651 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15652 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15653 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15654 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15655 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15656 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15657 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15658 "*negabs<mode>2", "sqrt<mode>2"):
15659 Changed <de> to <xde>. R constraint replaced by <Rf>.
15660 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15662 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15663 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15664 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15666 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15667 "extenddftf2", "extendsftf2"): New expanders.
15668 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15669 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15670 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15671 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15673 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15674 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15675 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15676 __floatditf): Add a GCC_4.1.0 symbol version tag.
15677 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15680 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15683 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15684 Use targetm.binds_local_p instead of TREE_PUBLIC.
15686 2006-02-02 Roger Sayle <roger@eyesopen.com>
15688 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15689 on INTEGER_TYPEs to indicate that it denotes a character type.
15690 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15691 signed_char_type_node, unsigned_char_type_node and char_type_node.
15692 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15693 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15694 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15696 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15697 Daniel Berlin <dberlin@dberlin.org>
15699 * tree-tailcall.c (arg_needs_copy_p): New function.
15700 (eliminate_tail_call): Use arg_needs_copy_p.
15701 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15702 (add_virtual_phis): New function.
15704 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15706 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15707 #ignore instead of #scratch for %g7 .register directive.
15709 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15711 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15714 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15716 * flow.c (calculate_global_regs_live): Assert that there aren't any
15719 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15721 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15722 what its name says.
15723 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15724 bsi_after_labels iterator.
15725 * tree-if-conv.c (find_phi_replacement_condition,
15726 replace_phi_with_cond_modify_expr): Likewise.
15727 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15728 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15730 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15732 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15734 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15737 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15738 array after growing it.
15740 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15742 PR middle-end/24901
15743 * fold-const.c (fold_checksum_tree): Change type of buf.
15745 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15747 * reload.c (push_secondary_reload): Initialize t_icode.
15749 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15751 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15752 -msoft-float -mlong-double-128 only issue a warning, but don't
15753 swich to DFmode long double.
15755 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15757 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15758 has a constant equivalent, iterate over equivalents for arg0,
15759 calling simplify_relational_operation and if there's a result
15760 cheaper than X, apply fold_rtx and return the result.
15762 2006-02-01 Jan Hubicka <jh@suse.cz>
15764 * opts.c (no_unit_at_a_time_default): New global variable.
15765 (decode_options): Use it.
15766 * opts.h (no_unit_at_a_time_default): Declare.
15768 2006-02-01 Paul Brook <paul@codesourcery.com>
15770 * function.c (assign_parm_setup_reg): Use function argument promotion
15772 * expr.c (expand_expr_real_1): Use function argument promotion rules
15775 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15777 * gcc.c (process_command): Change j to 'unsigned int'.
15779 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15781 PR middle-end/26001
15782 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15783 Use the corrected index for the character
15784 out of the string constant.
15786 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15788 * mode-switching.c (optimize_mode_switching): Fix size
15789 allocated for bb_info[n_entities].
15791 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15793 * gcc.c (main): Correct type that is allocated for
15794 explicit_link_files.
15796 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15798 * config/s390/s390.c (init_alignment_context): Set
15799 ALIAS_SET_MEMORY_BARRIER on the MEM.
15800 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15802 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15804 PR middle-end/25933
15805 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15807 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15810 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15812 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15813 * regrename.c: Ditto.
15814 * tree-ssa-loop-im.c: Ditto.
15815 * tree-dump.c: Ditto.
15816 * tree-complex.c: Ditto.
15817 * genrecog.c: Ditto.
15818 * tree-ssa-threadupdate.c: Ditto.
15820 * java/class.c: Ditto.
15821 * java/jcf-parse.c: Ditto.
15822 * java/resource.c: Ditto.
15823 * java/except.c: Ditto.
15824 * java/jvspec.c: Ditto.
15825 * java/jcf-write.c: Ditto.
15826 * java/jcf-path.c: Ditto.
15827 * java/gjavah.c: Ditto.
15828 * java/zextract.c: Ditto.
15829 * java/jcf-io.c: Ditto.
15830 * java/jcf.h: Ditto.
15831 * java/buffer.c: Ditto.
15832 * java/lang.c: Ditto.
15833 * java/parse-scan.y: Ditto.
15834 * java/lex.c: Ditto.
15835 * java/lex.h: Ditto.
15836 * cfgloopmanip.c: Ditto.
15837 * postreload-gcse.c: Ditto.
15838 * tree-ssa-loop-manip.c: Ditto.
15839 * postreload.c: Ditto.
15840 * tree-ssa-loop-ch.c: Ditto.
15843 * cppspec.c: Ditto.
15844 * diagnostic.c: Ditto.
15846 * genoutput.c: Ditto.
15848 * cfghooks.c: Ditto.
15849 * cfgloopanal.c: Ditto.
15850 * objc/objc-act.c: Ditto.
15852 * genextract.c: Ditto.
15853 * genautomata.c: Ditto.
15854 * pretty-print.c: Ditto.
15855 * genemit.c: Ditto.
15856 * cgraphunit.c: Ditto.
15858 * df-scan.c: Ditto.
15859 * haifa-sched.c: Ditto.
15860 * dominance.c: Ditto.
15862 * tree-ssa-loop-ivopts.c: Ditto.
15863 * df-core.c: Ditto.
15864 * mode-switching.c: Ditto.
15865 * modulo-sched.c: Ditto.
15867 * ipa-pure-const.c: Ditto.
15869 * fix-header.c: Ditto.
15871 * tree-stdarg.c: Ditto.
15872 * ipa-utils.c: Ditto.
15873 * loop-init.c: Ditto.
15874 * ipa-inline.c: Ditto.
15875 * cfganal.c: Ditto.
15877 * alloc-pool.c: Ditto.
15878 * dwarf2out.c: Ditto.
15880 * genattrtab.c: Ditto.
15881 * tree-ssa-loop-ivcanon.c: Ditto.
15882 * predict.c: Ditto.
15883 * timevar.c: Ditto.
15885 * fortran/gfortranspec.c: Ditto.
15886 * regmove.c: Ditto.
15887 * local-alloc.c: Ditto.
15888 * langhooks.c: Ditto.
15889 * function.c: Ditto.
15890 * tree-vectorizer.c: Ditto.
15892 * ipa-type-escape.c: Ditto.
15894 * tree-if-conv.c: Ditto.
15895 * profile.c: Ditto.
15897 * tree-data-ref.c: Ditto.
15898 * loop-unroll.c: Ditto.
15899 * treelang/treetree.c: Ditto.
15901 * bt-load.c: Ditto.
15902 * ggc-common.c: Ditto.
15904 * coverage.c: Ditto.
15906 * tree-cfgcleanup.c: Ditto.
15907 * tree-ssa-pre.c: Ditto.
15908 * cfgcleanup.c: Ditto.
15909 * loop-invariant.c: Ditto.
15910 * loop-iv.c: Ditto.
15911 * ipa-prop.c: Ditto.
15912 * print-tree.c: Ditto.
15913 * conflict.c: Ditto.
15914 * ggc-page.c: Ditto.
15915 * sched-deps.c: Ditto.
15916 * regclass.c: Ditto.
15917 * tree-object-size.c: Ditto.
15918 * combine.c: Ditto.
15919 * bb-reorder.c: Ditto.
15920 * resource.c: Ditto.
15921 * var-tracking.c: Ditto.
15922 * cfgloop.c: Ditto.
15923 * df-problems.c: Ditto.
15924 * reg-stack.c: Ditto.
15926 * gccspec.c: Ditto.
15927 * sched-rgn.c: Ditto.
15928 * tree-ssa-structalias.c: Ditto.
15929 * tree-ssa-reassoc.c: Ditto.
15930 * config/darwin-c.c: Ditto.
15931 * config/darwin.c: Ditto.
15932 * config/arm/arm.c: Ditto.
15934 * collect2.c: Ditto.
15935 * reload1.c: Ditto.
15937 2006-01-31 Nicolas Pitre <nico@cam.org>
15939 * arm.md (smaxsi3): Make aware of smax_m1.
15942 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15944 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15946 2006-01-31 Richard Guenther <rguenther@suse.de>
15948 * doc/invoke.texi (-msselibm): Document.
15949 * target.h (expand_library_builtin): New target hook.
15950 * builtins.c (expand_builtin): Use expand_library_builtin.
15951 (default_expand_library_builtin): New function.
15952 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15953 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15954 (link_gcc_math_spec): Declare.
15955 (static_specs): Add link_gcc_math_spec.
15956 * expr.h (default_expand_library_builtin): Declare.
15957 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15958 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15959 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15960 * config/i386/i386.opt (msselibm): New target option.
15961 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15962 (ix86_init_sse_abi_builtins): New function.
15963 (ix86_expand_library_builtin): Likewise.
15964 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15965 (override_options): Handle error conditions wrt -msselibm.
15966 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15967 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15968 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15971 2006-01-31 Richard Guenther <rguenther@suse.de>
15972 Paolo Bonzini <bonzini@gnu.org>
15974 * doc/install.texi (--disable-libgcc-math): Document.
15976 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15978 * expr.h (expand_normal): new inline function.
15979 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15980 * dojump.c: use it.
15981 * dwarf2out.c: use it.
15984 * expmed.c: use it.
15985 * except.c: use it.
15986 * config/sparc/sparc.c: use it.
15987 * config/i386/i386.c: use it.
15988 * config/rs6000/rs6000.c: use it.
15989 * config/arm/arm.c: use it.
15990 * config/mips/mips.c: use it.
15991 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15993 2006-01-30 Roger Sayle <roger@eyesopen.com>
15995 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15996 argv to the appropriate type.
15998 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16000 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16003 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16006 * config/s390/s390.c (struct machine_function): New flag
16007 decomposed_literal_pool_addresses_ok_p.
16008 (s390_reorg): Set it before final stage of literal pool transforms.
16009 (s390_decompose_address): Only accept displacements of the form
16010 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16012 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16014 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16015 the comparison routine return.
16017 2006-01-30 Michael Matz <matz@suse.de>
16019 * global.c (find_reg): Only evict for global regs.
16020 Take n_refs into account and dump more info.
16022 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16025 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16026 (pragma_trap, pragma_nosave_low_regs): Likewise.
16027 (current_function_anonymous_args): Likewise.
16028 (sh_deferred_function_attributes): New variable.
16029 (sh_deferred_function_attributes_tail): Likewise.
16030 (print_operand): For '@', look up trap_exit attribute.
16031 (calc_live_regs): Look up trapa_handler attribute. For trapa
16032 handlers, save/restore fpscr, but don't do any other
16033 interrupt-specific saves.
16034 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16035 Fix check for partially saved registers to check for SHmedia.
16036 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16037 (sh_output_function_epilogue): Don't clear any of the removed
16039 (sh_insert_attributes): Don't check pragma_interrupt.
16040 Insert deferred attributes. Check that interrupt attribute is
16041 present for other attributes that require its presence.
16042 (sh_attribute_table): Add new attributes trapa_handler and
16044 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16045 Don't check for pragma_interrupt. Don't store argument.
16046 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16047 (sh_deferred_function_attributes): Declare.
16048 (sh_deferred_function_attributes_tail): Likewise.
16049 * sh.md (sp_switch_1): Add operand. Change generator caller.
16050 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16051 (*return_i): Don't use when trap_exit attribute is in effect.
16052 (*return_trapa): New insn pattern.
16053 * sh-c.c: New file.
16054 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16055 setting c_target_objs and cxx_target_objs.
16056 * t-sh: Add rule for sh-c.o.
16058 2006-01-30 Richard Guenther <rguenther@suse.de>
16061 * gimplify.c (gimplify_target_expr): Handle easy cases
16062 without creating a temporary.
16064 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16066 * vec.h (safe_grow): Remove duplicated line.
16068 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16071 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16072 (expand_omp): ... here.
16073 (expand_omp_parallel): Only remove barriers for combined
16074 parallel+workshare constructs.
16076 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16080 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16081 * tree.c (build_qualified_type): Chain the new type to the original
16082 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16083 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16084 (build_pointer_type_for_mode): Only return unqualified types.
16085 (build_reference_type_for_mode): Likewise.
16087 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16089 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16090 * Makefile.in (CXX_COMPAT_WARN): Define.
16091 * configure: Regenerate.
16093 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16096 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16099 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16101 * toplev.c: Fix thinko.
16103 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16104 Marcin Dalecki <martin@dalecki.de>
16106 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16107 (push_srcloc): Use XNEW.
16108 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16110 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16112 * df-core.c (df_set_blocks): Deleted all variable.
16114 2006-01-28 Ian Lance Taylor <ian@airs.com>
16116 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16117 cgraph_output_pending_asms.
16119 2006-01-28 Zack Weinberg <zackw@panix.com>
16121 * c.opt: Add -W(no-)overlength-strings.
16122 * doc/invoke.texi: Document it.
16123 * c-opts.c (c_common_handle_option): -pedantic implies
16124 -Woverlength-strings, if not explicitly disabled already.
16125 (c_common_post_options): -Woverlength-strings defaults to off, and
16126 is always off for C++.
16127 * c-common.c (fix_string_type): Issue warning about strings longer
16128 than is portable only if warn_overlength_strings. Rearrange code
16129 a little for clarity.
16130 * configure.in: Check for -Wno-overlength-strings as well before
16131 enabling -pedantic in stage 1.
16132 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16133 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16135 * genconditions.c (write_header, write_one_condition)
16136 (write_conditions, write_writer): Consolidate very long strings
16137 that were broken up to fit in C89 portable limit. Don't use
16138 printf when fputs will do.
16140 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16142 * combine.c (simplify_comparison <AND>): Check
16143 TRULY_NOOP_TRUNCATION before start using a subreg.
16145 * config/mips/mips.md (*branch_zero<mode>,
16146 *branch_zero<mode>_inverted, *branch_equality<mode>,
16147 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16148 Remove mode check from comparisons.
16150 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16152 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16154 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16156 * expmed.c (const_mult_add_overflow_p): Remove.
16157 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16159 * recog.c (validate_replace_rtx_subexp): Remove.
16160 * recog.h: Remove the prototype for
16161 validate_replace_rtx_subexp.
16163 * integrate.h: Remove the prototype for
16164 copy_decl_for_inlining.
16165 * rtl.h: Remove the prototype for mark_constant_function.
16166 * tree-vectorizer.h: Remove the prototype for
16167 vect_strip_conversion.
16169 * modulo-sched.c (create_partial_schedule,
16170 free_partial_schedule, reset_partial_schedule): Make them
16173 * hooks.c (hook_bool_rtx_int_false): Remove.
16174 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16176 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16178 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16179 and -mlong-double-128 are incompatible.
16180 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16181 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16182 (TARGET_LIBGCC2_CFLAGS): Define.
16183 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16184 (TARGET_LIBGCC2_CFLAGS): Same.
16185 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16187 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16190 * c-typeck.c (build_binary_op): Perform implicit casts of
16191 operands before shortening them.
16193 * cfgloopmanip.c (split_loop_bb): Remove.
16194 * cfgloop.h: Remove the prototype for split_loop_bb.
16196 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16197 * cfgloop.h: Remove the prototype for
16198 flow_loop_outside_edge_p.
16200 * emit-rtl.c (init_virtual_regs): Make it static.
16201 * function.h: Remove the prototype for init_virtual_regs.
16203 * recog.c (peephole2_optimize): Make it static.
16204 * recog.h: Remove the prototype for peephole2_optimize.
16206 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16208 * df-scan.c (df_record_entry_block_defs): Check if
16209 INCOMING_RETURN_ADDR_RTX is defined.
16211 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16212 Kenneth Zadeck <zadeck@naturalbridge.com>
16214 PR rtl-optimization/24762
16215 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16216 * targhooks.c (hook_void_bitmap): New hook prototype.
16217 * targhoohs.h (hook_void_bitmap): Ditto.
16218 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16219 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16220 * target.h (live_on_entry): New function pointer.
16221 * df-scan.c (df_all_hard_regs): Removed.
16222 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16223 (df_scan_free_internal): Added df->entry_block_defs.
16224 (df_scan_alloc): Ditto.
16225 (df_scan_dump): Ditto.
16226 (df_uses_record): Plumbed flag field properly thru calls.
16227 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16228 This part fixes PR24762.
16229 (df_bb_refs_record): Added code to make the frame and arg
16230 pointers live in EH blocks.
16231 (df_refs_record): Added call to df_record_entry_block_defs.
16232 (df_record_entry_block_defs): New function.
16233 * df-core.c: Added comments to describe new artifical defs.
16234 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16235 (entry_block_defs): New field in struct df.
16236 (df_all_hard_regs): Deleted.
16237 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16238 * df-problems.c (df_ru_bb_local_compute_process_def):
16239 Added code to handle artifical defs in the entry to a function.
16240 (df_ru_bb_local_compute): Ditto.
16241 (df_rd_bb_local_compute_process_def): Ditto.
16242 (df_rd_bb_local_compute): Ditto.
16243 (df_lr_bb_local_compute): Ditto.
16244 (df_ur_bb_local_compute): Ditto.
16245 (df_urec_bb_local_compute): Ditto.
16246 (df_chain_create_bb): Ditto.
16247 (df_ur_local_finalize): Removed entry.
16248 (df_urec_init): Ditto.
16249 (df_urec_local_finalize): Ditto.
16250 (df_ri_bb_compute): Added detection of last use of pseudos.
16251 * Makefile.in (df-scan.o): Updated dependencies.
16252 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16253 * config/mips/mips.c (mips_set_live_on_entry): Added.
16254 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16256 * dce.c (marked_insn_p): Added code to handle artifical defs.
16258 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16260 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16262 (_mm_cvtsi128_si64): Likewise.
16263 (_mm_cvtsd_si64): Likewise.
16264 (_mm_cvttsd_si64): Likewise.
16265 (_mm_cvtsi64_sd): Likewise.
16266 (_mm_cvtsi64_si128): Likewise.
16267 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16268 (_mm_cvtsi64_m64): Likewise.
16269 (_m_to_int64): Likewise.
16270 (_mm_cvtm64_si64): Likewise.
16271 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16272 (_mm_cvttss_si64): Likewise.
16273 (_mm_cvtsi64_ss): Likewise.
16274 (_mm_cvtss_f32): Likewise.
16276 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16278 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16279 for pragma redefine_extname.
16281 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16284 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16285 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16286 -mno-minimal-toc to previous content.
16287 (bispecs): Remove goal.
16288 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16289 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16290 compatibility aliases on powerpc-*-*gnu*.
16291 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16292 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16293 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16294 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16295 (ldblspecs): New goal.
16296 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16297 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16299 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16300 L_sf_to_tf or L_df_to_tf is defined.
16302 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16303 Alan Modra <amodra@bigpond.net.au>
16306 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16307 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16308 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16309 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16310 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16311 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16312 (rs6000_override_options): Initialize rs6000_ieeequad.
16313 Initialize TFmode format to ibm_extended_format if not
16315 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16317 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16318 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16319 (function_arg_advance): IBM long double passed in two FPRs, not
16321 (function_arg): IBM long double passed in FPRs.
16322 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16323 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16324 Only multireg GPR aligned.
16325 (rs6000_init_libfuncs): Enable IBM long double functions if not
16327 (rs6000_generate_compare): Use IBM long double compare if not
16329 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16330 (TARGET_IEEEQUAD): Define.
16331 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16332 not TARGET_IEEEQUAD.
16333 * config/rs6000/rs6000.md: Enable TFmode patterns if
16335 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16336 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16337 and -mlong-double-128 are incompatible.
16338 * doc/invoke.texi (-mabi): Collect options together. Add
16339 ibmlongdouble and ieeelongdouble.
16341 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16343 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16345 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16346 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16347 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16348 * rtl.h (rtunion_def): Remove rt_ptr.
16350 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16351 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16352 * config/i386/winnt.c (i386_pe_mark_dllexport)
16353 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16355 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16357 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16359 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16363 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16364 pthread_key_delete. From John David Anglin. gthrw-ify
16365 pthread_getunique_np only if it it's not a macro. Delete
16367 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16368 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16369 __gthread_objc_condition_signal, __gthread_key_delete): Add
16370 "__attribute__ ((__unused__))" to unused arguments.
16371 (__gthread_recursive_mutex_init_function): Add missing return.
16372 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16373 gthr-posix95.h: Use macro-based approach for name redirection
16374 on targets missing weakref.
16376 2006-01-26 Zack Weinberg <zackw@panix.com>
16378 * genconditions.c (write_header): In generated code, #ifdef out
16379 all includes and fake declarations, except includes of bconfig.h
16380 and system.h, unless GCC_VERSION >= 3001. Do not include
16381 gensupport.h in any case.
16382 (write_conditions): Generate a definition of struct c_test. Add
16383 a comment to the generated #endif.
16384 (write_one_condition): Escape backslashes in string too.
16385 (write_writer): Generated code must escape backslashes and quote
16386 marks (but not newlines) in the strings it writes.
16387 * Makefile.in (build/gencondmd.o): Update dependencies.
16389 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16392 * Makefile.in (insn-automata.o): Add header file dependencies.
16393 * genautomata.c: Add includes.
16395 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16398 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16400 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16402 * configure.ac: Expect target tools paths to be passed from the toplevel
16403 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16405 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16407 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16410 * c.opt (Wpointer-sign): Init to -1.
16411 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16412 OPT_pedantic, to 0 otherwise.
16413 * doc/invoke.texi: Update.
16415 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16417 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16418 constants provided by 80387 instructions in the destination mode.
16420 2006-01-26 Richard Guenther <rguenther@suse.de>
16421 Andrew Pinski <pinskia@physics.uc.edu>
16424 partial PR tree-opt/17064
16425 * tree-ssa-structalias.c (intra_create_variable_infos):
16426 Create heap variables for incoming parameters if
16427 flag_argument_noalias > 1.
16428 (find_what_p_points_to): Look through default defs of
16431 2006-01-26 Jeff Law <law@redhat.com>
16434 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16435 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16436 within the VR_RANGE, use the VR_RANGE as the result, not the
16438 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16439 bounds for the type.
16441 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16443 * tree-ssa-alias.c (maybe_create_global_var): Change
16444 subvar walking to an assertion that we don't have subvar'd variables.
16446 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16449 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16450 Use a new variable, inner. PARM_DECLs are always non-weak.
16452 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16454 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16455 --disable-checking.
16457 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16459 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16461 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16463 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16464 (smax_insn, smin_insn, smax_0, smin_0): New.
16466 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16469 * config/cris/cris.c (cris_order_for_addsi3): New function.
16470 * config/cris/cris-protos.h: Prototype it.
16471 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16472 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16473 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16474 (split for "op.S1 [rx=rx+i],ry (swapped)")
16475 (split for "op(s|u).S1 [rx=rx+i],ry")
16476 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16477 Apply cris_order_for_addsi3 when generating addsi3 insns.
16479 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16481 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16482 (TREE_BLOCK): Add call to EXPR_CHECK.
16484 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16487 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16488 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16489 (dump_omp_clauses): ... here.
16490 (dump_generic_node): Handle OMP_CLAUSE.
16491 * tree.c (omp_clause_num_ops): New.
16492 (omp_clause_code_name): New.
16493 (tree_code_size): Handle OMP_CLAUSE.
16494 (tree_size): Likewise.
16495 (make_node): Document handling of OMP_CLAUSE.
16496 (tree_node_structure): Handle OMP_CLAUSE.
16497 (omp_clause_check_failed): New.
16498 (omp_clause_range_check_failed): New.
16499 (omp_clause_operand_check_failed): New.
16500 (build_omp_clause): New.
16501 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16502 * tree.h (enum omp_clause_code): Declare.
16503 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16504 (OMP_CLAUSE_RANGE_CHECK): Define.
16505 (OMP_CLAUSE_ELT_CHECK): Define.
16506 (omp_clause_check_failed): Declare.
16507 (omp_clause_operand_check_failed): Declare.
16508 (omp_clause_range_check_failed): Declare.
16509 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16510 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16511 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16512 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16513 (OMP_CLAUSE_IF_EXPR): Likewise.
16514 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16515 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16516 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16517 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16518 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16519 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16520 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16521 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16522 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16523 (OMP_CLAUSE_CODE): Define.
16524 (OMP_CLAUSE_SET_CODE): Define.
16525 (OMP_CLAUSE_CODE): Define.
16526 (OMP_CLAUSE_OPERAND): Define.
16527 (struct tree_omp_clause): Declare.
16528 (union tree_node): Add field 'omp_clause'.
16529 * treestruct.def (TS_OMP_CLAUSE): Define.
16530 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16531 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16532 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16533 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16534 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16535 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16536 (OMP_CLAUSE): Define.
16537 * print-tree.c (print_node): Handle OMP_CLAUSE.
16538 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16539 * c-typeck.c: Likewise.
16540 * gimplify.c: Likewise.
16541 * c-omp.c: Likewise.
16542 * tree-nested.c: Likewise.
16543 * tree-inline.c: Likewise.
16544 * c-parser.c: Likewise.
16545 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16548 2006-01-25 Roger Sayle <roger@eyesopen.com>
16550 PR rtl-optimization/25703
16551 * combine.c (try_combine): Handle zero_extract and strict_low_part
16552 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16554 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16556 * global.c: Fix comment typos.
16558 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16561 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16562 Use output_addr_const instead of assemble_name.
16564 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16566 * Makefile.in (sched-vis.o): Update dependencies.
16567 * haifa-sched.c (sched_finish): Clear current_sched_info.
16568 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16569 (dump_flow_info): Call it.
16570 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16572 * basic-block.h (dump_bb_info): Declare.
16573 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16574 option, and apply options only for dump files whose TDF_RTL,
16575 TDF_TREE, or TDF_IPA bits match.
16576 * rtl.h: Declare new functions exported from sched-vis.c.
16577 * sched-vis.c: Enable also if scheduling is not used.
16578 (print_value): Print the mode of registers if not inside scheduling.
16579 (print_insn): Make it work outside the scheduler. Beautify the output
16581 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16583 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16585 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16586 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16587 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16588 depending on the value of CONSTANT_POOL_ADDRESS_P.
16589 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16591 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16592 rather than SYMBOL_REF_DECL.
16593 (rtx_constant_pool): Remove const_rtx_sym_htab.
16594 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16595 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16596 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16597 Remove handling of const_rtx_sym_htab.
16598 (find_pool_constant): Delete.
16599 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16600 rather than find_pool_constant.
16601 (get_pool_constant_for_function): Delete.
16602 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16603 find_pool_constant.
16604 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16605 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16606 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16607 (SYMBOL_REF_CONSTANT): New macro.
16608 (get_pool_constant_for_function): Delete.
16609 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16610 rather than SYMBOL_REF_DECL.
16611 (i386_pe_mark_dllimport): Likewise.
16612 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16613 rather than SYMBOL_REF_DECL.
16614 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16615 (machopic_indirect_call_target): Likewise.
16617 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16619 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16621 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16623 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16625 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16627 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16629 2006-01-24 David Daney <ddaney@avtrex.com>
16632 * configure.ac (enable_tls): New enable option.
16633 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16634 * configure: Regenerate.
16635 * doc/install.texi (--enable-tls): Document new option.
16636 (--disable-tls): Ditto.
16638 2006-01-24 Richard Henderson <rth@redehat.com>
16640 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16641 * alias.c (true_dependence): Respect it.
16642 (canon_true_dependence, write_dependence_p): Likewise.
16643 * builtins.c (get_builtin_sync_mem): Set it.
16645 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16647 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16650 2006-01-24 DJ Delorie <dj@redhat.com>
16652 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16653 for storing constants in single-bit bitfields.
16655 2006-01-25 Ben Elliston <bje@au.ibm.com>
16657 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16659 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16662 * tree-ssa-pre.c (phi_translate): Return NULL
16663 for AGGREGATE_TYPE's.
16665 2006-01-24 Zack Weinberg <zackw@panix.com>
16667 * genautomata.c (process_state_for_insn_equiv_partition):
16668 Use xcalloc for insn_arcs_array.
16669 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16670 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16672 2006-01-24 Richard Henderson <rth@redhat.com>
16674 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16675 update all callers.
16677 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16679 PR rtl-optimization/25890
16680 PR rtl-optimization/25905
16681 * combine.c (expand_compound_operation, expand_field_assignment):
16682 Fail if the bitfield's final position is out of bounds.
16684 2006-01-24 Ian Lance Taylor <ian@airs.com>
16686 PR middle-end/25930
16687 * cgraphunit.c (cgraph_output_in_order): Don't clear
16688 cgraph_asm_nodes until after asm strings have been output.
16690 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16692 * fix-header.c (read_scan_file): Add new parameter imultilib when
16693 calling register_include_chains.
16695 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16697 * omp-low.c: Update documentation.
16699 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16700 Daniel Berlin <dberlin@dberlin.org>
16704 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16705 return from the function.
16707 2006-01-22 Zack Weinberg <zackw@panix.com>
16709 * rtl.def (match_code): Add second argument.
16710 * genpreds.c (write_extract_subexp): New function.
16711 (write_match_code): Add path argument. Use write_extract_subexp.
16712 (write_predicate_expr): Pass path to write_match_code.
16713 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16714 not perform a mode test.
16715 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16716 a subexpression does not constrain the top-level code set.
16717 * read-rtl.c (read_rtx_variadic): New function.
16718 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16719 * doc/md.texi: Document new notation.
16720 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16721 (cmpsi_operand): ... here, using new notation.
16723 2006-01-22 Zack Weinberg <zackw@panix.com>
16725 * varray.c: Remove GENERATOR_FILE #ifdefs.
16727 2006-01-22 Zack Weinberg <zackw@panix.com>
16729 * genautomata.c (output_reserved_units_table): Emit nothing if
16730 description->query_units_num is zero. Remove extra blank line.
16731 (output_cpu_unit_reservation_p): Short circuit
16732 if description->query_units_num is zero.
16734 2006-01-22 Zack Weinberg <zackw@panix.com>
16736 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16737 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16738 nor any of the random handful of variables that used to be necessary
16739 when this program was linked with rtlanal.o. Prune set of forward
16740 function declarations.
16741 (struct attr_desc): Remove static_p field.
16742 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16743 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16744 (attr_string): Do not read the character one past the length of
16746 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16747 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16748 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16749 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16750 (make_automaton_attrs): New.
16751 (main): Do not call into genautomata. Call local gen_bypass
16752 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16753 Remove special case for insn_alts.
16754 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16755 varray.h (leftover from previous change). Prune set of forward
16756 function declarations. Remove state_alts fields from all
16757 structures. Remove state_alts_table from struct automaton.
16758 Make everything except main static. Do not maintain num_dfa_decls.
16759 Do not maintain state_alts fields of various structures.
16760 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16761 (add_arc): Remove state_alts argument. All callers updated.
16762 (output_reserved_units_table): Emit #ifdef here...
16763 (output_tables): ...not here. Don't generate state_alts tables.
16764 (expand_automata): Don't generate attributes.
16765 (write_automata): Don't generate state_alts functions.
16766 (main): New function.
16767 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16768 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16769 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16770 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16771 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16772 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16773 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16774 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16776 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16777 * genattrtab.h: Delete file.
16778 * Makefile.in (OBJS-common): Add insn-automata.o.
16779 (insn-automata.o): New rule.
16780 (simple_generated_c): Add insn-automata.c.
16781 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16782 (genprogmd): Add automata.
16783 (build/genattrtab): Needs no extra objects nor libraries.
16784 (build/genautomata): Needs build/vec.o and -lm.
16786 2006-01-22 Zack Weinberg <zackw@panix.com>
16788 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16789 (output_dfa_max_issue_rate, locked_states_num): Delete.
16790 (struct automaton): Add locked_states field.
16791 (output_dead_lock_vect): Save number of locked states in
16792 automaton->locked_states. If it is zero, don't print anything.
16793 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16794 (output_internal_dead_lock_func): Only test the dead_lock_vect
16795 for automata that have locked states.
16796 (output_statistics): Always print the number of locked states for
16797 each automaton. Calculate total number of locked states here.
16798 (write_automata): Don't call output_dfa_max_issue_rate.
16799 * genattrtab.c: Define length_unit_log as a const variable.
16800 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16801 max_insn_queue_index const.
16802 * final.c (length_unit_log): Declare const.
16803 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16805 2006-01-22 Zack Weinberg <zackw@panix.com>
16807 * genautomata.c: Include vec.h, not varray.h.
16808 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16809 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16810 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16811 VEC_* macros operating on appropriately typed vectors, or to
16812 malloced arrays when the size is known in advance. Const-ify
16813 many char* variables and function arguments. No functional changes.
16814 * Makefile.in (build/varray.o): Delete rule.
16815 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16816 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16818 2006-01-22 Zack Weinberg <zackw@panix.com>
16820 * gensupport.c: Define get_insn_name and record_insn_name here.
16821 (read_md_rtx): Call record_insn_name as appropriate.
16822 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16823 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16824 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16826 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16827 (BUILD_VARRAY): Delete.
16828 (genprognormal): Rename genprogmd. Fold in all programs from
16829 genprognoprint; also attrtab.
16830 (build/genattrtab): Just mention genautomata.o and varray.o.
16831 Reorganize a bit, add comments to make the categories clearer.
16833 2006-01-22 Zack Weinberg <zackw@panix.com>
16835 * genconditions.c (condition_table, add_condition): Delete.
16836 (write_conditions): Don't emit n_insn_conditions nor
16837 insn_elision_unavailable. Issue the gcc version #ifdef here,
16838 inside the table, with no #else clause ...
16839 (write_header): ...not here.
16840 (write_writer): New function.
16841 (main): Don't initialize condition_table. Use add_c_test.
16843 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16844 files on the command line.
16845 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16846 Return -1 if there is no entry in the table, don't abort.
16847 (add_c_test, traverse_c_tests): New functions.
16848 * gensupport.h (insn_elision_unavailable, insn_conditions)
16849 (n_insn_conditions): Delete declarations.
16850 (add_c_test, traverse_c_tests): Declare.
16851 * read-rtl.c: Include gensupport.h.
16852 (read_conditions): New function.
16853 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16854 (read_rtx_1): If we get EOF when we were looking for an initial
16855 open paren, return 0. Call read_conditions when appropriate.
16856 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16857 dummy-conditions.o. Eliminate references to insn-conditions.o,
16858 or change them to build/gencondmd.o, as appropriate. Remove
16859 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16860 from $(simple_generated_c). For all files remaining in those
16861 two lists, add insn-conditions.md to the generator command line.
16862 Give insn-constants.h/s-constants their own rules. Add rules
16863 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16864 (build/read-rtl.o): Depend on gensupport.h.
16865 (genprognormal): Include preds.
16866 (genprogearly): Rename genprognoprint; only difference is now that
16867 they don't link with $(BUILD_PRINT).
16868 * dummy-conditions.c: Delete.
16870 2006-01-22 Zack Weinberg <zackw@panix.com>
16872 * genextract.c: Don't include insn-config.h. Do include vec.h.
16873 Declare vectors of int, char, and locstr.
16874 (locstr): New typedef.
16875 (struct extraction): Make all array fields into bare pointers.
16876 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16877 (insn_code_number): Delete.
16878 (accum_extract): New struct.
16879 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16880 (gen_insn): Take insn_code_number as an argument. Use an
16881 accum_extract structure instead of loading data directly into
16882 a struct extraction, and having to know how big it might get.
16883 (walk_rtx): Operate entirely on an accum_extract structure.
16884 (print_path): Avoid unnecessary use of printf.
16885 (print_header): New function, split out of main. Distinguish
16886 more carefully between an unrecognizable insn and an insn that
16887 has the code number of a define_expand.
16888 (main): Pass insn_code_number to gen_insn. Call print_header
16889 only after parsing. Avoid unnecessary use of printf.
16890 * Makefile.in (build/vec.o): New rule.
16891 (build/genextract): Depend on build/vec.o.
16892 (build/genextract.o): Don't depend on insn-config.h.
16894 2006-01-22 Zack Weinberg <zackw@panix.com>
16896 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16897 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16898 practical. Eliminate per-generator-program link rules.
16900 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16902 PR middle-end/24437
16903 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16904 with a call expr to ...
16905 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16907 2006-01-23 Richard Guenther <rguenther@suse.de>
16909 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16910 before make_edge with conditional EDGE_TRUE_VALUE.
16912 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16913 Jan Hubicka <jh@suse.cz>
16914 Richard Guenther <rguenther@suse.de>
16916 PR rtl-optimization/25654
16917 * cfgexpand.c (aggregate_contains_union_type): New function.
16918 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16919 for structure variables that contain a union type.
16921 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16923 * gengtype.c (new_structure): Return the structure.
16924 (create_option): Add an extra "next" argument.
16925 (create_field): New function.
16926 (adjust_field_rtx_def): Use create_option and create_field.
16927 Remove a now-unnecessary call to find_structure.
16928 (adjust_field_tree_def): Likewise.
16929 (note_yacc_type): Remove an unnecessary call to find_structure.
16930 * gengtype.h (new_structure): Return the structure.
16931 (create_option): Add an extra argument.
16932 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16933 (option): Adjust calls to create_option.
16935 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16937 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16939 2006-01-22 Paul Brook <paul@codesourcery.com>
16940 Peter Barada <peter@the-baradas.com>
16942 * config/m68k/m68k.md: Add Coldfire FPU support.
16943 Define FP mode macro and associated attributes.
16944 Use it for float mode patterns.
16945 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16946 (LIBCALL_VALUE): Use m68k_libcall_value.
16947 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16948 (m68k_function_value): Ditto.
16949 (emit_move_sequence): Ditto.
16950 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16951 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16952 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16953 (MULTILIB_EXCEPTIONS): Ditto.
16954 * config/m68k/m68k.opt: Add mcfv4e.
16955 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16956 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16957 (m68k_output_function_prologue): Save ColdFire FPU registers.
16958 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16959 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16960 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16961 ColdFire FPU registers.
16962 (m68k_libcall_value, m68k_function_value): New functions.
16963 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16964 (LIBCALL_VALUE): Use m68k_libcall_value.
16965 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16966 (MASK_COLDFIRE): Add MASK_CFV4E.
16967 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16968 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16969 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16970 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16971 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16972 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16973 * doc/invoke.tex: Document -mcfv4e on m68k.
16975 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16977 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16980 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16983 * c-opts.c (c_common_handle_option): Don't include
16984 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16985 * doc/invoke.texi (C++ Dialect Options): Document that
16986 -Wnon-virtual-dtor is no longer included in -Wall.
16988 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16990 * gcov.c (print_version), gcov-dump.c (print_version),
16991 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16994 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16996 * df-scan.c (problem_SCAN): Added NULL reset function.
16997 (df_scan_reset_blocks): Added code to call reset block function
16998 (df_bb_refs_delete) Fixed comment.
16999 (df_insn_refs_delete): Made tolerant of deleting non existent info
17000 for dataflow problems that need to be reset.
17001 * df-core.c (df_set_blocks): Ditto.
17002 * df.h (struct df_problem): Added reset_fun.
17003 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17004 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17005 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17006 functions to clear out all references to def-use or use-def chains.
17008 2006-01-21 Ben Elliston <bje@au.ibm.com>
17010 * varasm.c (assemble_real): Initialise data array.
17012 2006-01-20 Paul Brook <paul@codesourcery.com>
17014 Merge from csl-arm-branch.
17015 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17016 * config/arm/arm.md (movdi): Force operands[1] to a register
17017 if we have a non-register source.
17018 (*arm_movdi, *movdf_soft_insn): Require that one of the
17019 operands be a register.
17020 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17021 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17023 2006-01-20 DJ Delorie <dj@redhat.com>
17025 * varasm.c (initializer_constant_valid_p): Allow pointers
17026 initialized from integer constants of lesser precision.
17027 (output_constant): Allow non-int-sized pointer modes to be
17028 initialized from integer constants.
17030 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17033 * cppdefault.h (struct default_include): Add multilib flag.
17034 * cppdefault.c (cpp_include_defaults): Set it.
17035 * c.opt (-imultilib): New option.
17036 * c-opts.c (imultilib): New.
17037 (c_common_handle_option): Handle -imultilib.
17038 (c_common_post_options): Likewise.
17039 * c-incpath.c (add_standard_paths, register_include_chains):
17041 * c-incpath.h (register_include_chains): Add extra parameter.
17042 * gcc.c (do_spec_1): Generate -imultilib option.
17043 (The Specs Language): Update %I description.
17044 (process_command): Update copyright notice.
17045 * doc/cppopts.texi (-imultilib): Document.
17046 * doc/invoke.texi (-imultilib): Include in option summary.
17047 (%I): Update specs documentation.
17049 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17051 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17053 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17055 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17058 2006-01-20 Richard Guenther <rguenther@suse.de>
17059 Steven Bosscher <stevenb.gcc@gmail.com>
17061 PR rtl-optimization/24626
17062 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17063 EDGE_TRUE_VALUE if in RTL mode.
17066 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17067 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17069 2006-01-20 Dirk Mueller <dmueller@suse.com>
17072 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17073 instead of a special NOP marker.
17074 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17075 NOP marker handling.
17076 * c-common.h (empty_body_warning): Add forward declaration.
17077 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17078 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17080 2006-01-20 Paul Brook <paul@codesourcery.com>
17082 * Makefile.in (lang_checks): Keep going if mkdir fails.
17084 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17086 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17087 be able to clean out basic block when not necessary.
17088 (df_scan_free): Fixed to properly delete information if df is
17089 unused before calling df_finish.
17090 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17091 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17093 (df_bb_refs_delete): New function.
17094 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17095 * df-core.c (df_set_blocks): Added code to properly clean out
17096 unused blocks if they are not part of the blocks to consider.
17097 Added additional null check.
17098 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17099 be able to clean out basic block when not necessary
17100 * df.h (df_free_bb_function): Ditto.
17101 (df_bb_refs_delete): New function.
17102 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17103 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17104 basic block parameter to be able to clean out basic block when not
17106 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17107 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17108 Fixed to properly delete information if df is unused before
17111 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17113 PR rtl-optimization/25799
17114 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17115 Corrected confluence operator to remove bits from op2 before oring
17116 with op1 rather than removing bits from op1.
17117 (df_ru_transfer_function): Corrected test on wrong bitmap which
17118 caused infinite loop. Both of these problems were introduced in
17119 the dataflow rewrite.
17121 2006-01-19 DJ Delorie <dj@redhat.com>
17123 * reload1.c (find_reload_regs): Note the details of reload
17124 failures in the dump file.
17125 (spill_failure): Likewise.
17127 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17129 * loop-iv.c: Include df.h and hashtab.h.
17130 (enum iv_grd_result): New enum.
17131 (DF_REF_IV, DF_REF_IV_SET): New macros.
17132 (struct biv_entry): New.
17133 (df, bivs): New global variables.
17134 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17135 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17137 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17138 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17139 analyzed_for_bivness_p, record_biv): New functions.
17140 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17141 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17142 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17144 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17146 (iv_number_of_iterations): Use new interface to iv analysis.
17147 * loop-unroll.c: Do not include varray.h.
17148 (analyze_iv_to_split_insn): Use new interface to iv
17150 * loop-unswitch.c (may_unswitch_on): Ditto.
17151 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17153 (df_bb_modify): Realloc tables to the new index.
17154 (df_find_use): New function.
17155 * df.h (df_find_use): Declare.
17156 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17158 * cfgloop.h (struct rtx_iv): Remove analysed field.
17159 (iv_get_reaching_def): Removed.
17160 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17161 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17162 (loop-iv.o): Add df.h and hashtab.h dependency.
17163 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17165 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17168 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17170 (__floatundisf, __floatundidf): Likewise.
17171 * libgcc2.h (IS_IBM_EXTENDED): Define.
17173 2006-01-19 DJ Delorie <dj@redhat.com>
17175 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17177 2006-01-19 Paul Brook <paul@codesourcery.com>
17179 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17180 as nothrow when unwinding tables are disabled.
17182 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17185 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17186 of bit-field" when in system header.
17188 2006-01-19 DJ Delorie <dj@redhat.com>
17190 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17191 the 16 bit shift limit of the m16c.
17193 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17196 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17197 * config/i386/i386.c (output_set_got): Output the label if we have one
17198 for the TARGET_DEEP_BRANCH_PREDICTION case.
17200 2006-01-19 Jan Hubicka <jh@suse.cz>
17201 H.J. Lu <hongjiu.lu@intel.com>
17202 Evandro Menezes <evandro.menezes@amd.com>
17204 * invoke.texi (generic): Document
17206 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17207 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17208 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17209 (x86_use_incdec, x86_pad_returns): New variables
17210 (TARGET_CPU_DEFAULT_generic): New constant
17211 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17212 (enum processor_type): Add generic32 and generic64.
17213 * i386.md (cpu attribute): Add generic32/generic64
17214 (movhi splitter): Behave sanely when both partial_reg_dependency and
17215 partial_reg_stall are set.
17216 (K8 splitters): Enable for generic as well.
17217 * predicates.md (incdec_operand): Use TARGET_INCDEC
17218 (aligned_operand): Avoid memory mismatch stalls.
17219 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17220 * ppro.md: Enable for generic32
17221 * i386.c (generic64_cost, generic32_cost): New.
17222 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17223 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17224 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17225 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17226 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17227 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17228 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17229 x86_accumulate_outgoing_args, x86_prologue_using_move,
17230 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17231 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17232 Enable for generic.
17233 (x86_use_incdec, x86_pad_returns): New.
17234 (override_options): Add generic32 and generic64, translate "generic"
17235 to generic32/generic64 and "i686" to "generic32", refuse
17236 "generic32"/"generic64" as arch target.
17237 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17238 (ix86_reorg): Honor PAD_RETURNS.
17240 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17242 * tree-pretty-print.c (dump_generic_node): Handle
17243 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17244 * cgraph.c (cgraph_expand_queue): Rename from
17245 cgraph_analyze_queue. Update all users.
17246 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17247 cgraph_expand_queue.
17248 (cgraph_expand_all_functions): Likewise.
17249 (cgraph_finalize_pending_functions): Remove. Update callers.
17251 * tree.h (OMP_DIRECTIVE_P): Define.
17252 (OMP_PARALLEL_FN): Define.
17253 (OMP_PARALLEL_DATA_ARG): Define.
17254 (OMP_SECTIONS_SECTIONS): Define.
17255 * tree-pass.h (pass_expand_omp): Declare.
17256 * omp-low.c (struct omp_region): Declare.
17257 (struct omp_context): Remove fields 'parallel_type',
17258 'parallel_start_ix' and 'parallel_start_additional_args'.
17260 (struct omp_for_data): Rename from struct expand_omp_for_data.
17261 (omp_regions): New static variable.
17262 (root_omp_region): New static variable.
17263 (find_omp_clause): Make static.
17264 (is_in_combined_parallel_ctx): Remove.
17265 (is_combined_parallel): New.
17266 (extract_omp_for_data): Move earlier in the file.
17267 (workshare_safe_to_combine_p): New.
17268 (get_ws_args_for): New.
17269 (determine_parallel_type): Move earlier in the file.
17270 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17272 (omp_copy_decl): Likewise.
17273 (create_omp_child_function): Likewise.
17274 (lookup_omp_region): New.
17275 (dump_omp_region): New.
17276 (debug_omp_region): New.
17277 (debug_all_omp_regions): New.
17278 (new_omp_region): New.
17279 (scan_omp_parallel): If parallel_nesting_level > 1, the
17280 directive is nested within another parallel directive.
17281 Set OMP_PARALLEL_FN.
17282 (scan_omp_for): Do not try to handle combined parallel+for
17284 Remove FIXME comment.
17285 (scan_omp_nested): Remove.
17286 (scan_omp_1): Do not call scan_omp_nested when
17287 parallel_nesting_level is > 1.
17288 Do not change the DECL_CONTEXT of local variables found.
17289 (lookup_decl_in_outer_ctx): New.
17290 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17291 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17292 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17293 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17294 If CTX is nested, lookup VAR in the outer context when
17295 building copy assignment.
17296 (lower_send_clauses): Rename from expand_send_clauses.
17297 If CTX is nested, lookup VAR in the outer context when
17298 building copy assignments.
17299 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17300 If CTX is nested, lookup VAR in the outer context when
17301 building copy assignments.
17302 (expand_parallel_call): Rename from build_parallel_call.
17303 Handle combined parallel+workshare cases.
17304 Re-implement to emit code into the CFG.
17306 (expand_omp_parallel): Re-implement to emit code into the CFG.
17307 Call move_sese_region_to_fn to outline the sub-graph
17308 containing the parallel region.
17309 (expand_omp_for_1): Remove.
17310 (expand_omp_for_generic): Re-implement to emit code into the
17312 (expand_omp_for_static_nochunk): Likewise.
17313 (expand_omp_for_static_chunk): Likewise.
17314 (expand_omp_for): Likewise.
17315 (expand_omp_sections): Likewise.
17316 (remove_exit_barriers): New.
17317 (expand_omp_synch): New.
17319 (build_omp_regions_1): New.
17320 (build_omp_regions): New.
17321 (execute_expand_omp): New.
17322 (gate_expand_omp): New.
17323 (pass_expand_omp): Define.
17324 (lower_omp_sections): Rename from expand_omp_sections.
17325 Set OMP_SECTIONS_SECTIONS.
17326 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17327 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17328 (lower_omp_single): Rename from expand_omp_simple.
17329 (lower_omp_master): Rename from expand_omp_master.
17330 (lower_omp_ordered): Rename from expand_omp_ordered.
17331 (lower_omp_critical): Rename from expand_omp_critical.
17332 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17333 (lower_omp_for): Re-implement.
17334 (lower_omp_parallel): Re-implement.
17335 (lower_regimplify): Rename from expand_regimplify.
17336 (lower_omp_1): Rename from expand_omp_1.
17337 If there are syntax errors in the program, replace every
17338 OpenMP directive with NOP.
17339 Call lower_omp_* instead of expand_omp_*.
17340 (lower_omp): Rename from expand_omp.
17342 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17343 * tree-gimple.h (enum omp_parallel_type): Remove.
17344 (gimple_boolify): Declare extern.
17345 (find_omp_clause, determine_parallel_type): Remove.
17347 * gimple-low.c (lower_omp_directive): New.
17348 (lower_stmt): Call it.
17349 (record_vars_into): Move from ...
17350 (record_vars): ... here.
17351 Call record_vars_into with current_function_decl.
17353 * gimplify.c (struct gimplify_ctx): Remove fields
17354 combined_pre_p and combined_ctxp. Update users.
17355 (get_formal_tmp_var): Add documentation.
17356 (gimple_boolify): Make extern.
17357 (gimplify_expr_in_ctx): Remove. Update callers.
17358 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17359 will always be a BIND_EXPR.
17360 (gimplify_expr): Handle OMP_RETURN_EXPR.
17361 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17362 (OMP_PARALLEL): Add 3 operands.
17363 (OMP_SECTIONS): Add 1 operand.
17364 (OMP_RETURN_EXPR): Define.
17366 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17367 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17368 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17369 creating a circular free list.
17370 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17372 * tree-flow.h (move_sese_region_to_fn): Declare.
17373 (record_vars_into): Declare.
17374 * tree-cfg.c (make_omp_sections_edges): New.
17375 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17376 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17377 OMP_SECTIONS and OMP_SECTION.
17378 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17379 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17380 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17381 (gather_blocks_in_sese_region): New.
17382 (struct move_stmt_d): Declare.
17383 (move_stmt_r): New.
17384 (move_block_to_fn): New.
17385 (move_sese_region_to_fn): New.
17387 * passes.c (init_optimization_passes): Schedule
17388 pass_expand_omp after pass_init_datastructures.
17390 * tree-ssa-operands.c (get_expr_operands): Handle
17391 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17392 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17394 2006-01-19 Jeff Law <law@redhat.com>
17396 * tree-vrp.c (extract_range_from_assert): Refine the result range
17397 if the variable referenced by the ASSERT_EXPR has a range and
17398 either the tentative result range or the previous range is a
17401 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17403 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17405 2006-01-19 Jan Hubicka <jh@suse.cz>
17407 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17409 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17411 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17412 (expand_compound_operation, expand_field_assignment): Fail if the
17413 bit lengths of an extract operation are out of range.
17414 (make_extraction): Compute wanted_inner_mode based on the position
17415 and length of the extraction. Make it extraction_mode for non-constant
17416 positions, and do not modify offset in that case. When generating a
17417 new MEM, use a mode that can hold the extraction while keeping correct
17418 alignment. Remove code that supported MEMs wrapped by USEs.
17419 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17421 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17423 * config/s390/s390.md ("Y", "y"): New mode attribute.
17424 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17425 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17426 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17427 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17428 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17429 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17430 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17431 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17432 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17433 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17434 "addsi3", "subsi3"): Insn patterns removed.
17435 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17436 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17437 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17438 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17439 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17440 "*sub<mode>3_cconly2"): New insn patterns.
17441 ("addsi3", "subsi3"): New expanders.
17443 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17445 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17446 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17447 existing STMT_VINFO_VECTYPE if available.
17448 (vect_mark_relevant): Add special handling for stmts that are
17449 marked as STMT_VINFO_IN_PATTERN_P.
17450 (vect_analyze_loop): Call vect_pattern_recog.
17451 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17452 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17454 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17455 (vect_recog_func_ptr): New function-pointer type.
17456 * tree-vect-patterns.c: New file.
17457 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17458 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17459 (vect_pattern_recog_1): New functions.
17460 (vect_pattern_recog_funcs): New array of function pointers.
17462 * tree-vectorizer.h (ternary_op): New enum value.
17463 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17464 declaration. Revised documentation. Removed redundant dump prints.
17465 Removed redundant argument. Added support for reduction patterns.
17466 (vectorizable_reduction): Added support for reduction patterns.
17467 (vect_transform_stmt): Added support for patterns.
17469 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17470 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17471 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17472 (expand_widen_pattern_expr): New function.
17473 (init_optabs): Initialize new optabs udot_prod_optab,
17475 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17476 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17477 (expand_widen_pattern_expr): New function declaration.
17478 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17480 * tree-inline.c (estimate_num_insns_1): Added cases for new
17481 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17482 * tree-pretty-print.c (dump_generic_node): Likewise.
17483 (op_prio): Likewise.
17484 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17485 * tree-ssa-operands.c (get_expr_operands): Added case for
17487 * tree-vect-patterns.c (widened_name_p): New function.
17488 (vect_recog_dot_prod_pattern): Added function implementation.
17489 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17490 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17491 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17492 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17494 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17495 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17496 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17497 (init_optabs): Initialize new optabs widen_ssum_optab,
17499 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17500 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17501 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17502 use instead of type of def.
17503 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17504 function implementation.
17505 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17506 widen_ssumv8hi): New.
17508 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17511 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17514 * c-decl.c (add_flexible_array_elts_to_size): New function.
17515 (finish_decl): Use it.
17517 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17519 * diagnostic.h: Include options.h.
17520 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17521 dependancies for diagnostic.h.
17522 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17524 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17526 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17527 (ssa_ro_call_cache_valid): Ditto.
17528 * tree-ssa-alias.c (sort_tags_by_id): New function.
17529 (init_transitive_clobber_worklist): Ditto.
17530 (add_to_worklist): Ditto.
17531 (mark_aliases_call_clobbered): Ditto.
17532 (compute_tag_properties): Ditto.
17533 (set_initial_properties): Ditto.
17534 (compute_call_clobbered): Ditto.
17535 (compute_may_aliases): Call compute_call_clobbered and grouping.
17536 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17537 (compute_flow_insensitive_aliasing): Grouping now happens in our
17539 (setup_pointers_and_addressables): Remove clobbering related code.
17540 (add_may_alias): Ditto.
17541 (replace_may_alias): Ditto.
17542 (get_nmt_for): Ditto.
17543 (create_global_var):
17544 (is_escape_site): Return an escape_type enumeration.
17545 * tree-flow-inline.h (is_call_clobbered): Global var does not
17546 imply call clobbered.
17547 (mark_call_clobbered): Take a reason for marking this. Remove
17548 marking of globalness, and cache invalidation.
17549 (clear_call_clobbered): Remove cache invalidation code.
17550 * tree-dfa.c (dump_variable): If details is on, dump the reason
17552 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17554 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17555 (struct var_ann_d): Ditto.
17556 (enum escape_type): New.
17557 (mark_call_clobbered): Adjust prototype.
17558 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17559 are never call clobbered.
17560 Record reasons for escaping.
17561 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17562 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17563 (ssa_ro_call_cache_valid): Ditto.
17564 (clobbered_v_may_defs): Ditto.
17565 (clobbered_vuses): Ditto.
17566 (ro_call_vuses): Ditto.
17567 (clobber_stats): New.
17568 (init_ssa_operands): Zero out clobber stats.
17569 (fini_ssa_operands): Print out clobber stats.
17570 (get_call_expr_operands): Pass callee fndecl to
17571 add_call_read_ops).
17572 (add_call_clobber_ops): Remove use of cache.
17573 Add use of PURE_CONST information.
17574 (add_call_read_ops): Remove use of cache.
17575 Add use of static not_read information.
17577 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17579 Introduce TLS descriptors for i386 and x86_64.
17580 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17581 (TARGET_ANY_GNU_TLS): New macro.
17582 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17583 (struct machine_function): Add tls_descriptor_call_expanded_p.
17584 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17585 (ix86_current_function_calls_tls_descriptor): Likewise.
17586 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17587 (override_options): Introduce gnu2 tls dialect.
17588 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17590 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17592 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17593 (ix86_init_machine_status): Initialize new field.
17594 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17595 (ix86_tls_module_base): New.
17596 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17597 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17598 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17599 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17600 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17601 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17602 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17603 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17604 * config/i386/predicates.md (tls_modbase_operand): New.
17605 (tp_or_register_operand): New.
17607 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17609 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17610 (look_for_address_of): Ditto.
17611 (ipa_init): Walk the function decls.
17612 (static_execute): Don't set readonly on FUNCTION_DECL's.
17614 2006-01-18 Roger Sayle <roger@eyesopen.com>
17616 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17617 for shifts where the source and destination registers are different.
17619 2006-01-18 Paul Brook <paul@codesourcery.com>
17621 Merge from csl-arm-branch.
17622 2005-03-14 Julian Brown <julian@codesourcery.com>
17623 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17624 (aeabi_llsl): Likewise.
17625 (ashrdi3): Likewise.
17626 (aeabi_lasr): Likewise.
17627 (lshrdi3): Likewise.
17628 (aeabi_llsr): Likewise.
17629 2005-03-10 Julian Brown <julian@codesourcery.com>
17630 * config.gcc: Disable shared libgcc for SymbianOS.
17631 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17633 2006-01-18 DJ Delorie <dj@redhat.com>
17635 * c-pragma.c (handle_pragma_diagnostic): New.
17636 (init_pragma): Register it.
17637 * doc/extend.texi: Document it.
17639 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17640 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17641 (diagnostic_context): Add classify_diagnostic[].
17642 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17643 as errors if they're overridden to DK_WARNING.
17644 (diagnostic_initialize): Initialize classify_diagnostic[].
17645 (diagnostic_set_kind_override): New.
17646 (diagnostic_report_diagnostic): Check for kind changes.
17647 * opts.c (common_handle_option): Take lang_mask. Update callers.
17648 Handle OPT_Werror_.
17649 * common.opt (Werror=): New.
17650 * doc/invoke.texi: Document -Werror=*
17652 2006-01-18 Jeff Law <law@redhat.com>
17654 * tree-vrp.c (test_for_singularity): Correct test for new
17655 min limit. Use operand_equal_p rather than pointer equality
17656 for testing if new min/max values are equal.
17658 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17659 using range information until after propagation and folding.
17661 2006-01-18 Richard Henderson <rth@redhat.com>
17662 Aldy Hernandez <aldyh@redhat.com>
17663 Jakub Jelinek <jakub@redhat.com>
17664 Diego Novillo <dnovillo@redhat.com>
17666 * omp-low.c: New file.
17667 * c-omp.c: New file.
17669 2006-01-18 Richard Henderson <rth@redhat.com>
17670 Jakub Jelinek <jakub@redhat.com>
17671 Diego Novillo <dnovillo@redhat.com>
17673 * doc/invoke.texi: Document -fopenmp.
17674 * tree-dump.h (debug_function): Declare.
17675 * hooks.c (hook_bool_tree_bool_false): New function.
17676 (hook_tree_tree_null): Remove.
17677 (hook_tree_tree_tree_null): New.
17678 * hooks.h: Update to match.
17679 * tree-pretty-print.c (debug_tree_chain): New.
17680 (print_generic_expr): Handle TDF_CHAIN.
17681 (dump_generic_node): Handle BLOCK.
17682 Do not abort with incomplete SWITCH_EXPRs.
17683 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17684 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17685 print space after directive name.
17686 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17687 Handle OMP_MASTER and OMP_ORDERED.
17688 Handle printing of OMP_BODY just in one place, goto
17689 dump_omp_body in the rest of OMP_* nodes that have
17691 Don't handle clause nodes here. Update omp statements to
17692 use dump_omp_clauses.
17693 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17694 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17695 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17696 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17697 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17698 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17699 Adjust output for GOMP_PARALLEL.
17700 (dump_omp_clauses): New.
17701 (print_declaration): Dump DECL_VALUE_EXPR.
17702 (op_symbol_1): Split out of op_symbol.
17703 (dumping_stmts): Remove. Update all users.
17704 * cgraph.c (cgraph_analyze_queue): New.
17705 (cgraph_add_new_function): New.
17706 * cgraph.h (cgraph_analyze_queue): Declare.
17707 (cgraph_add_new_function): Declare.
17708 (cgraph_lower_function): Remove.
17709 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17710 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17711 and TYPE_P nodes in its default clause.
17712 (empty_body_p): New.
17713 (tree_range_check_failed): New.
17714 (build5_stat): New.
17715 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17716 OMP_CLAUSE_REDUCTION_MERGE,
17717 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17718 OMP_CLAUSE_PRIVATE_DEBUG,
17719 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17720 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17721 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17722 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17723 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17724 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17725 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17726 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17727 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17728 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17729 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17730 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17731 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17732 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17733 (TREE_RANGE_CHECK): New.
17734 (empty_body_p): Declare.
17735 (enum omp_clause_default_kind): New.
17736 (build_string_literal): Declare.
17737 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17738 (build5_stat, build5): Declare.
17739 * tree-pass.h (TDF_CHAIN): Define.
17740 * tree-pass.h (PROP_gimple_lomp): Define.
17741 (pass_lower_omp): Declare.
17742 * diagnostic.h (debug_tree_chain): Declare.
17743 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17745 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17746 * builtins.c (build_string_literal): Make extern.
17747 * gcc.c (include_spec_function): New.
17748 (static_spec_functions): Add it.
17749 (main): Move load of libgomp.spec ...
17750 (LINK_COMMAND_SPEC): ... here.
17751 (link_gomp_spec): New.
17752 (static_specs): Include it.
17753 (LINK_COMMAND_SPEC): Add link_gomp.
17754 (GOMP_SELF_SPECS): New.
17755 (driver_self_specs): Include it.
17756 (switch_matches): Don't mark inline.
17757 (main): Load libgomp.spec.
17758 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17759 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17760 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17761 * tree-gimple.h (enum omp_parallel): Declare.
17762 (determine_parallel_type): Declare.
17763 (omp_firstprivatize_variable): Declare.
17764 (omp_reduction_init): Declare.
17765 (diagnose_omp_structured_block_errors): Declare.
17766 (struct walk_stmt_info): Add want_return_expr.
17767 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17768 (find_omp_clause): Declare.
17769 (insert_field_into_struct): Declare.
17770 (struct walk_stmt_info): Move from tree-nested.c
17771 (walk_stmts): Declare.
17772 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17774 * cgraphunit.c (cgraph_lower_function): Make static.
17775 (cgraph_finalize_pending_functions): New.
17776 (cgraph_finalize_function): Call it.
17777 (cgraph_finalize_compilation_unit): Likewise.
17778 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17779 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17780 (BT_FN_UINT_UINT): New.
17781 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17782 DEF_FUNCTION_TYPE_VAR_4): Document.
17783 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17784 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17785 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17786 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17787 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17788 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17789 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17790 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17791 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17792 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17793 into separate files.
17794 (DEF_GOMP_BUILTIN): New.
17795 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17796 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17797 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17798 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17799 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17800 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17801 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17802 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17803 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17804 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17805 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17806 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17807 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17808 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17809 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17810 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17811 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17812 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17813 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17814 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17815 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17816 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17817 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17818 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17819 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17820 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17821 * sync-builtins.def: New file, moved from builtins.def.
17822 * omp-builtins.def: New file, moved from builtins.def.
17823 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17824 * gimple-low.c (lower_function_body): Clear data.
17825 (lower_stmt): Do not handle COMPOUND_EXPR.
17826 Remove call to print_node_brief.
17827 * c-tree.h (c_finish_omp_clauses): New prototype.
17828 (C_DECL_THREADPRIVATE_P): Define.
17829 (lookup_name_no_remap, c_omp_remap_private): Remove
17830 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17831 (check_for_loop_decls): Update decl.
17832 (lookup_name_no_remap, c_omp_remap_private): Declare.
17833 (build_indirect_ref, build_modify_expr, pushdecl,
17834 pushdecl_top_level): Move to c-common.h.
17835 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17836 before the switch, but just in the 2 places that need it.
17837 * c-decl.c (diagnose_mismatched_decls): Do not check for
17838 mismatched thread-local attributes when OLDDECL is marked
17839 threadprivate and NEWDECL has no thread-local attributes.
17840 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17841 (c_gimple_diagnostics_recursively): Rename from
17842 c_warn_unused_result_recursively. Invoke
17843 diagnose_omp_structured_block_errors.
17844 (check_for_loop_decls): Return a singular decl found.
17845 * langhooks.c (lhd_omp_predetermined_sharing): Return
17846 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17847 (lhd_omp_firstprivatize_type_sizes): New.
17848 (lhd_omp_assignment): New.
17849 (lhd_omp_predetermined_sharing): New.
17850 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17851 (struct lang_hooks_for_types): Add
17852 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17853 omp_predetermined_sharing, omp_disregard_value_expr,
17854 omp_private_debug_clause, omp_clause_default_ctor,
17855 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17856 (c_finish_omp_clauses): New.
17857 (c_finish_bc_stmt): Diagnose break within omp for.
17858 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17859 (build_unary_op): Return error_mark after reporting
17861 (build_modify_expr): Likewise.
17862 * gimplify.c: Include optabs.h and pointer-set.h.
17863 (enum gimplify_omp_var_data): Declare.
17864 (struct gimplify_omp_ctx): Declare.
17865 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17867 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17868 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17869 (splay_tree_compare_decl_uid): New.
17870 (new_omp_context): New.
17871 (delete_omp_context): New.
17872 (gimple_add_tmp_var): Call omp_add_variable.
17873 (gimplify_bind_expr): Likewise.
17874 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17875 true, disregard DECL_VALUE_EXPR on the decl if any.
17876 (gimplify_expr_in_ctx): New.
17877 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17878 omp_add_variable, omp_notice_variable, omp_is_private
17879 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17880 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17881 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17882 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17883 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17884 gimplify_omp_atomic): New.
17885 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17886 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17887 OMP_CRITICAL and OMP_ATOMIC.
17888 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17889 * c-pragma.h (enum pragma_kind): Add
17890 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17891 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17892 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17893 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17894 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17895 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17896 PRAGMA_OMP_THREADPRIVATE.
17897 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17898 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17899 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17900 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17901 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17902 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17903 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17904 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17905 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17906 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17907 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17908 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17909 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17911 (struct nesting_info): Add field_map,
17912 suppress_expansion, debug_var_chain.
17913 (create_nesting_tree): Initialize them.
17914 (lookup_field_for_decl): Use field_map.
17915 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17916 (convert_local_omp_clauses): New.
17917 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17918 (walk_body): Split out of walk_function.
17919 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17920 (convert_nonlocal_reference): Handle omp statements.
17921 (convert_local_reference): Likewise.
17922 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17923 (unnest_nesting_tree): New.
17924 (lower_nested_functions): Call it.
17925 (insert_field_into_struct): Make extern.
17926 (struct walk_stmt_info): Move to tree-gimple.h.
17927 (walk_stmts): Make extern.
17928 * omp-builtins.def: New file.
17929 * tree-iterator.c (expr_only): Clarify comment.
17930 * c-common.h (pushdecl_top_level, pushdecl,
17931 build_modify_expr, build_indirect_ref,
17932 c_finish_omp_master, c_finish_omp_critical,
17933 c_finish_omp_ordered, c_finish_omp_barrier,
17934 c_finish_omp_atomic, c_finish_omp_flush,
17935 c_finish_omp_for, c_split_parallel_clauses,
17936 omp_clause_default_kind, c_omp_sharing_predetermined,
17937 c_omp_remap_decl): Declare.
17938 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17939 (OBJS-common): Add omp-low.o.
17940 (c-omp.o, omp-low.o): Add.
17941 (gimplify.o): Add dependency on $(OPTABS_H).
17942 (GTFILES): Add omp-low.c.
17943 (gt-stringpool.h): Add.
17944 * tree-cfg.c (set_bb_for_stmt): Do not update the
17945 block-to-labels map if we are currently expanding to RTL.
17946 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17948 Handle IDENTIFIER_NODE.
17949 (tree_verify_flow_info): Do not ICE when emitting error
17950 messages about invalid labels.
17951 (dump_function_to_file): Reset CFUN before emitting the body
17953 (debug_function): New.
17954 * passes.c (init_optimization_passes): Schedule
17956 * langhooks-def.h (lhd_omp_predetermined_sharing,
17957 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17959 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17960 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17961 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17962 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17963 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17964 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17965 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17966 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17967 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17968 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17969 (LANG_HOOK_DECLS): Use them.
17971 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17972 Richard Henderson <rth@redhat.com>
17973 Jakub Jelinek <jakub@redhat.com>
17974 Diego Novillo <dnovillo@redhat.com>
17976 * c-parser.c (pragma_omp_clause): Define.
17977 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17978 (c_parser_compound_statement): Likewise.
17979 (c_parser_statement): Likewise.
17980 (c_parser_pragma): Handle omp pragmas.
17981 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17982 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17983 (c_parser_omp_clause_name, check_no_duplicate_clause,
17984 c_parser_omp_variable_list,
17985 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17986 c_parser_omp_clause_copyprivate,
17987 c_parser_omp_clause_default,
17988 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17989 c_parser_omp_clause_lastprivate,
17990 c_parser_omp_clause_nowait,
17991 c_parser_omp_clause_num_threads,
17992 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17993 c_parser_omp_clause_reduction,
17994 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17995 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17996 c_parser_omp_atomic, c_parser_omp_barrier,
17997 c_parser_omp_critical, c_parser_omp_flush,
17998 c_parser_omp_for_loop, c_parser_omp_for,
17999 c_parser_omp_master, c_parser_omp_ordered,
18000 c_parser_omp_sections_scope, c_parser_omp_sections,
18001 c_parser_omp_parallel, c_parser_omp_single,
18002 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18003 * c-pragma.c (init_pragma): Do omp pragma registration here.
18004 * c.opt (fopenmp): New flag.
18006 2006-01-18 Eric Christopher <echristo@apple.com>
18008 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18009 * config/darwin.h (GOMP_SELF_SPECS): Define.
18011 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18013 * rtl.h: Remove the prototype for reg_alloc.
18015 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18018 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18019 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18020 sjlj and dwarf2 exception handling.
18021 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18022 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18023 * pa/pa.c (function_value): Treat complex and vector types as
18025 (function_arg): Likewise. Only pass scalar floats in the floating
18026 point argument registers.
18027 * pa/t-slibgcc-dwarf-ver: New file.
18028 * pa/t-slibgcc-sjlj-ver: New file.
18029 * pa/t-slibgcc-elf-ver: Delete file.
18031 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18033 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18034 unlikely_test_section_p test.
18036 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18038 * mode-switching.c (optimize_mode_switching): Make it static.
18039 * basic-block.h: Remove the prototype for
18040 optimize_mode_switching.
18042 * modulo-sched.c (sms_schedule): Make it static.
18043 * rtl.h: Remove the prototype for sms_schedule.
18045 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18046 * rtl.h: Remove the prototype for gcse_after_reload_main.
18048 * reg-stack.c (reg_to_stack): Make it static.
18049 * rtl.h: Remove the prototype for reg_to_stack.
18051 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18053 * rtl.h: Remove the prototypes for regrename_optimize and
18054 copyprop_hardreg_forward.
18056 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18058 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18059 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18060 Test against the appropriate null constant for the mode.
18061 If 'fixup_overlap' is true, swap the operands if they overlap.
18062 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18063 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18064 alpha_split_tmode_pair and adjust for above change.
18065 * config/alpha/alpha.md (movtf_internal): Adjust call to
18066 alpha_split_tfmode_pair and rely on it to swap the operands.
18067 (movti_internal): New insn and post-reload splitter.
18068 (movti): New expander.
18070 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18072 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18075 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18077 * rtlanal.c (global_reg_mentioned_p_1,
18078 global_reg_mentioned_p): Remove.
18079 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18081 * flow.c (initialize_uninitialized_subregs): Make it static.
18082 * rtl.h: Remove the prototype for
18083 initialize_uninitialized_subregs.
18085 * function.c (instantiate_virtual_regs): Make it static.
18086 * function.h: Remove the prototype for
18087 instantiate_virtual_regs.
18089 * regmove.c (regmove_optimize, combine_stack_adjustments):
18091 * rtl.h: Remove the prototypes for regmove_optimize and
18092 combine_stack_adjustments.
18094 2006-01-17 Roger Sayle <roger@eyesopen.com>
18096 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18097 (size_cost): Encode costs in bytes so that a reg-reg addition is
18098 equivalent to COSTS_N_INSNS(1).
18099 (override_options): Use the size_cost.branch_cost as the default
18100 ix86_branch_cost when optimizing for size.
18102 2006-01-18 Ben Elliston <bje@au.ibm.com>
18104 * Makefile.in (D32PBIT_FUNCS): New.
18105 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18106 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18107 D64PBIT_FUNCS and D128PBIT_FUNCS.
18108 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18109 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18111 (decnumber_dep): Define.
18112 * doc/libgcc.texi (Decimal float library routines): New node.
18113 * config/dfp-bit.h, config/dfp-bit.c: New files.
18115 2006-01-18 Ben Elliston <bje@au.ibm.com>
18117 * expr.c (emit_move_change_mode): Always adjust addresses, not
18118 just during reload. Copy replacements only during reload.
18119 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18120 emit_move_via_integer.
18122 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18124 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18125 instead of $(srcdir) and ${srcdir}.
18127 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18130 PR middle-end/11135
18131 * arm.h (struct machine_function): Add pic_reg.
18132 * arm.c (arm_pic_register): Make unsigned.
18133 (arm_override_options): Only set arm_pic_register if
18134 TARGET_SINGLE_PIC_BASE.
18135 (use_return_insn): Only test for a pic register if it is fixed.
18136 (arm_compute_save_reg0_reg12_mask): Likewise.
18137 (thumb_compute_save_reg_mask): Likewise.
18138 (legitimate_pic_operand): Factor out some known invariants.
18139 (legitimize_pic_address): If we don't have a fixed pic register,
18140 then set up a pseudo in the function entry sequence. Handle the
18141 pic base being in a pseudo.
18142 (arm_load_pic_register): Handle the pic register being in a pseudo.
18143 (arm_expand_prologue): Only set up the pic register if it is fixed.
18144 (thumb_expand_prologue): Likewise.
18145 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18146 (pic_load_addr_based_insn): Likewise.
18147 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18150 2006-01-18 Ben Elliston <bje@au.ibm.com>
18152 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18153 decimal float modes for all floating point registers.
18155 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18156 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18158 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18161 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18162 even when the pointer is not NULL.
18164 2006-01-16 Ian Lance Taylor <ian@airs.com>
18166 * common.opt (ftoplevel-reorder): New option.
18167 * cgraph.c (cgraph_asm_nodes): New global variable.
18168 (cgraph_asm_last_node): New static variable.
18169 (cgraph_order): New global variable.
18170 (cgraph_create_node): Set new order field.
18171 (cgraph_varpool_node): Likewise.
18172 (decide_is_variable_needed): Return true if not
18173 flag_toplevel_reorder.
18174 (cgraph_add_asm_node): New function.
18175 * cgraph.h (struct cgraph_node): Add order field.
18176 (struct cgraph_varpool_node): Add order field.
18177 (struct cgraph_asm_node): Define.
18178 (cgraph_asm_nodes, cgraph_order): Declare.
18179 (cgraph_add_asm_node): Declare.
18180 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18182 (cgraph_varpool_assemble_pending_decls): Call it.
18183 (cgraph_output_pending_asms): New static function.
18184 (cgraph_finalize_compilation_unit): Call it.
18185 (struct cgraph_order_sort): Define.
18186 (cgraph_output_in_order): New static function.
18187 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18188 !flag_toplevel_reorder case.
18189 * c-parser.c: Include "cgraph.h".
18190 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18192 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18193 than -fno-unit-at-a-time.
18194 * doc/invoke.texi (Option Summary): Mention
18195 -fno-toplevel-reorder.
18196 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18197 -funit-at-a-time documentation.
18199 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18200 Kazu Hirata <kazu@codesourcery.com>
18202 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18204 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18206 * Makefile.in (FUNCTION_H): New. Use it instead of
18207 function.h throughout the file.
18208 * function.h: Include tree.h.
18210 2006-01-17 Ben Elliston <bje@au.ibm.com>
18212 * recog.c: Separate some functions with whitespace.
18214 2006-01-16 Richard Henderson <rth@redhat.com>
18216 Merge from gomp branch:
18217 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18218 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18219 and rename from struct inline_data. Rename callee* to dst*;
18220 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18221 transform_new_cfg, transform_return_to_modify, and
18222 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18224 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18225 (copy_decl_for_dup): Remove.
18226 * tree-inline.c (struct inline_data): Move to header.
18227 (insert_decl_map): Export.
18228 (remap_decl): Update for member name changes. Use copy_decl hook.
18229 Allow for replacement to be a non-decl. Remove dead code.
18230 (remap_type_1): Check for existing mapping.
18231 (remap_type): Export.
18232 (remap_decls): Update for member name changes.
18233 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18234 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18235 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18236 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18237 (tree_function_versioning, build_duplicate_type): Likewise.
18238 (copy_body_r): Likewise. Export.
18239 (copy_decl_for_dup): Split into ...
18240 (copy_decl_for_dup_finish, copy_decl_to_var,
18241 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18242 (replace_ref_tree, inlining_p): Remove.
18244 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18246 * ifcvt.c (if_convert): Make it static.
18247 * rtl.h: Remove the prototype for if_convert.
18249 * local-alloc.c (local_alloc): Make it static.
18250 * rtl.h: Remove the prototype for local_alloc.
18252 * loop.c (loop_optimize): Make it static.
18253 * cfgloop.h: Remove the prototype for loop_optimize.
18256 2006-01-16 DJ Delorie <dj@redhat.com>
18258 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18261 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18263 * pa.md: Disparage copies between general and floating-point registers
18264 in 32-bit move patterns.
18266 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18269 * Makefile.in (check-%): Depend on site.exp instead of
18270 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18273 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18275 * global.c (global_alloc): Make it static.
18276 * rtl.h: Remove the prototype for global_alloc.
18278 2006-01-16 Richard Guenther <rguenther@suse.de>
18280 * tree-ssa-alias.c (struct used_part): Add write_only field.
18281 (get_or_create_used_part_for): Initialize it to true.
18282 (create_overlap_variables_for): Don't create structure variables
18283 for structures that only are written to.
18284 (find_used_portions): Handle MODIFY_EXPR to track whether a
18285 structure is only written to.
18287 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18289 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18291 * basic-block.h: Remove the prototype for
18292 partition_hot_cold_basic_blocks.
18294 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18296 * cppspec.c (lang_specific_spec_functions): Remove.
18297 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18298 * gcc.h (lang_specific_spec_functions): Remove.
18299 * gccspec.c (lang_specific_spec_functions): Remove.
18301 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18303 * combine.c (record_value_for_reg): Invalidate registers
18305 (record_dead_and_set_regs_1): Likewise, by passing them to
18306 record_value_for_reg.
18307 (record_dead_and_set_regs): Invalidate stores made by a
18308 call. We do not combine across a call, but we still
18309 relied on equivalences.
18311 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18313 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18314 vrp_int_const_binop returning non-constant nodes.
18316 2006-01-16 Paul Brook <paul@codesourcery.com>
18318 * config/m68k/m68k.c (output_move_const_into_data_reg):
18319 Output correct mnemonic for mvz and mvs.
18321 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18323 * rtl-factoring.c: Add sequence abstraction algorithm.
18324 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18325 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18327 (block_has_preserve_label): New function.
18328 * common.opt: Register new pass.
18329 * Makefile.in: Ditto.
18331 * timevar.def: Ditto.
18332 * tree-pass.h: Ditto.
18333 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18334 * rtl.h (make_jump_insn_raw): Add forward decl.
18335 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18337 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18338 Roger Sayle <roger@eyesopen.com>
18340 * fold-const.c (fold_minmax): New static function.
18341 (fold_binary) <MIN_EXPR>: Call it.
18342 <MAX_EXPR>: Likewise.
18343 * stor-layout.c (place_field): Use DECL_SIZE consistently
18344 in the computation of the new record size.
18346 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18348 * cse.c (cse_condition_code_reg): Make it static.
18349 * rtl.h: Remove the prototype for cse_condition_code_reg.
18351 * combine.c (combine_instructions): Make it static.
18352 * rtl.h: Remove the prototype for combine_instructions.
18354 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18357 * tree.c (get_file_function_name_long): Concatenate the first global
18358 object name with a string derived from the input filename of the object
18361 2006-01-16 Ben Elliston <bje@au.ibm.com>
18363 * config/i386/winnt-stubs.c: Update FSF address.
18364 * config/xtensa/ieee754-df.S: Ditto.
18365 * config/xtensa/ieee754-sf.S: Ditto.
18367 2006-01-14 Ian Lance Taylor <ian@airs.com>
18369 * ifcvt.c (noce_init_if_info): New static function, broken out of
18370 noce_process_if_block.
18371 (noce_process_if_block): Call noce_init_if_info.
18372 (check_cond_move_block): New static function.
18373 (cond_move_process_if_block): New static function.
18374 (process_if_block): Call cond_move_process_if_block.
18376 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18378 * cselib.c (hash_table): Rename to cselib_hash_table.
18379 (cselib_clear_table, discard_useless_values,
18380 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18381 cselib_init, cselib_finish): Adjust uses of hash_table.
18383 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18385 PR tree-optimization/25485
18386 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18387 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18388 is known to be false and true, respectively.
18390 2006-01-14 Richard Guenther <rguenther@suse.de>
18392 PR tree-optimization/22548
18393 PR tree-optimization/22555
18394 PR tree-optimization/22501
18395 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18396 * params.def (salias-max-array-elements): New parameter.
18397 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18398 * doc/invoke.texi (salias-max-array-elements): Document.
18399 * tree-flow-inline.h (var_can_have_subvars): We also handle
18401 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18403 * tree-ssa-structalias.c (params.h): Include.
18404 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18405 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18406 (get_constraint_for): For ADDR_EXPR operating on something
18407 containing an ARRAY_REF, add all subvars to the solution.
18408 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18409 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18410 for creating MUST_DEFs.
18411 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18413 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18415 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18417 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18418 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18419 number_of_iterations_le): New functions.
18420 (number_of_iterations_special): Removed.
18421 (number_of_iterations_exit): Do not use number_of_iterations_special.
18422 * tree.c (unsigned_type_for): Always return integer type.
18424 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18425 Richard Guenther <rguenther@suse.de>
18427 PR rtl-optimization/24257
18428 * gcse.c (find_moveable_store): Only consider a store movable
18429 when the SET_SRC of the insn can be assigned to a register.
18431 2006-01-14 Ian Lance Taylor <ian@airs.com>
18433 * tree.c (tree_not_class_check_failed): New function.
18434 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18435 (tree_not_class_check_failed): Declare.
18437 2006-01-13 Ian Lance Taylor <ian@airs.com>
18439 * reload1.c (do_output_reload): Add assertion rejecting a
18442 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18444 * combine.c (struct reg_stat): Add new fields truncation_label and
18446 (record_value_for_reg): Reset truncated_to_mode.
18447 (record_truncated_value): New function.
18448 (check_promoted_subreg): Call it. Rename to check_conversions.
18449 (combine_instructions): Rename check_promoted_subreg to
18451 (reg_truncated_to_mode): New function.
18452 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18453 (gen_lowpart_or_truncate): New function.
18454 (force_to_mode): Use it instead of gen_lowpart.
18456 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18458 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18459 VAR is a tag, not its type tag.
18461 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18463 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18464 alternatives to match style of other entries.
18465 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18467 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18469 PR tree-optimization/25771
18470 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18473 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18476 * tree-inline.c (declare_return_variable): If the return variable
18477 was marked as a non gimple complex, set the return slot variable
18478 to be a non gimple comple variable.
18480 2006-01-13 Richard Guenther <rguenther@suse.de>
18482 * builtins.c (expand_builtin_sincos): New function.
18483 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18485 (expand_builtin): Expand sincos using expand_builtin_sincos.
18487 2006-01-12 DJ Delorie <dj@redhat.com>
18489 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18490 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18491 so that constant shifts can be split.
18492 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18493 (m32c_valid_pointer_mode): Make static.
18494 (shift_gen_func_for): New.
18495 (m32c_prepare_shift): Use it. Split large const shifts into
18497 * config/m32c/predicates.md (shiftcount_operand): Allow more
18499 (longshiftcount_operand): New.
18500 * doc/md.texi (Machine Constraints): Document In6.
18502 2006-01-13 Ben Elliston <bje@au.ibm.com>
18504 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18505 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18508 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18510 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18511 to try to avoid clobbering pieces of structures when we know
18512 something about the whole structure.
18513 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18515 2006-01-13 Ben Elliston <bje@au.ibm.com>
18517 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18518 return in memory, as this is no limitation is no longer present.
18520 2006-01-12 DJ Delorie <dj@redhat.com>
18522 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18523 mova with fb, and for fb+0 -> An.
18525 * config/m32c/mov.md (peephole2): Fix enabling logic.
18527 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18528 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18529 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18530 FINI_ARRAY_SECTION_ASM_OP): Define.
18532 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18534 (m32c_legitimize_reload_address): New logic to reload FB to An.
18535 (m32c_output_reg_push): Add newline.
18536 (m32c_output_reg_pop): Likewise.
18538 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18540 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18542 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18544 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18546 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18548 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18551 2006-01-11 Ben Elliston <bje@au.ibm.com>
18553 * rtlanal.c (find_reg_note): Assert insn is not null.
18555 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18557 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18560 2006-01-11 Jeff Law <law@redhat.com>
18562 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18564 (mark_threaded_blocks, register_jump_thread): New functions.
18565 (thread_through_all_blocks): Remove unwanted argument. No
18566 longer rely on e->aux to communicate thread target info.
18567 Call mark_threaded_blocks. Release the threaded_blocks
18568 bitmap and threaded_edges vector when complete.
18569 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18570 (threaded_blocks): Remove.
18571 (tree_ssa_dominator_optimize): Remove initialization and
18572 finalization of threaded_blocks. Simplify call to
18573 thread_through_all_blocks.
18574 (thread_across_edge): Call register_jump_thread rather than
18575 storing thread information into e->aux.
18576 (free_all_edge_infos): Simplify now that e->aux is no longer
18577 used to communicate with thread_through_all_blocks.
18578 * tree-flow.h (thread_through_all_blocks): Update prototype.
18579 (register_jump_thread): Prototype.
18581 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18583 * df-core.c (df_compact_blocks, df_bb_replace): Use
18584 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18586 2006-01-11 Richard Guenther <rguenther@suse.de>
18588 PR tree-optimization/25734
18589 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18590 stop propagation after successful propagation to the LHS.
18592 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18594 * basic-block.h (control_flow_graph): Change the type of
18595 x_basic_block_info to VEC(basic_block,gc) *.
18596 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18598 (SET_BASIC_BLOCK): New.
18599 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18600 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18601 * cfgbuild.c (find_basic_blocks): Likewise.
18602 * cfglayout.c (fixup_reorder_chain): Likewise.
18603 * cfgrtl.c (create_basic_block_structure,
18604 rtl_create_basic_block): Likewise.
18605 * ifcvt.c (find_if_case_1): Likewise.
18606 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18609 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18611 * Makefile.in: Removed rotted odf.c entry.
18613 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18616 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18617 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18618 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18619 output pattern modifier, not %e.
18620 * config/cris/cris.c (cris_op_str): Update comment about pattern
18622 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18623 before falling through into...
18624 <case 'E'>: Redefined from old 'e' case.
18626 2006-01-11 Jan Hubicka <jh@suse.cz>
18629 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18631 2006-01-11 Jan Hubicka <jh@suse.cz>
18633 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18634 * i386.c (x86_decompose_lea): Kill.
18635 (ix86_rtx_costs): Kill.
18637 2006-01-11 Jan Hubicka <jh@suse.cz>
18639 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18640 * cgraph.h (cgraph_node): Add inline_decl.
18641 (cgraph_insert_node_to_hashtable): Declare.
18642 (save_inline_function_body): Declare.
18643 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18645 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18646 (cgraph_function_versioning): Update call of tree_function_versioning.
18647 (save_inline_function_body): New function.
18648 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18649 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18650 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18651 (cgraph_default_inline_p): Likewise.
18652 (cgraph_decide_inlining_incrementally): Likewise.
18653 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18654 (copy_bb): Kill saving; do updating of clones.
18655 (copy_cfg_body): Kill saving.
18656 (initialize_inlined-parameters): Likewise.
18657 (expand_call_inline): Likewise.
18659 (tree_function_versioning): New parameter "update_clones".
18660 (inlining_p): Kill saving.
18661 * tree-inline.h (tree_function_versioning): Update prototype.
18662 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18665 2006-01-11 Ian Lance Taylor <ian@airs.com>
18667 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18668 Allow undoing set of machine mode.
18669 (do_SUBST): Use enums instead of is_int.
18670 (do_SUBST_MODE): New function.
18671 (SUBST_MODE): New macro.
18672 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18673 reg and trying to replace reg_regno_rtx with a new register.
18674 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18675 (simplify_set): Use SUBST_MODE.
18676 (distribute_notes): Remove code that tried to update reg notes
18677 for regno_reg_rtx changes.
18679 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18681 PR tree-optimization/23109
18682 PR tree-optimization/23948
18683 PR tree-optimization/24123
18685 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18686 * tree-cfg.c (single_noncomplex_succ): New.
18687 * tree-flow.h (single_noncomplex_succ): Declare it.
18688 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18689 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18690 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18691 insert_bb, register_division_in, insert_reciprocals,
18692 replace_reciprocal, free_bb): New.
18693 (execute_cse_reciprocals_1): Rewritten.
18694 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18695 Do not commit any edge insertion. Always compute dominators and
18696 create the allocation pool.
18697 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18698 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18699 * targhooks.c (default_min_divistions_for_recip_mul): New.
18700 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18701 * passes.c (init_optimization_passes): Run recip after tree loop
18703 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18705 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18706 Kenneth Zadeck <zadeck@naturalbridge.com>
18708 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18709 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18710 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18711 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18712 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18713 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18714 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18715 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18716 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18717 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18718 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18719 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18720 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18721 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18722 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18723 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18724 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18725 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18726 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18727 DF_SCAN_POST_ALLOC): New macros.
18728 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18729 df_free_bb_function, df_local_compute_function, df_init_function,
18730 df_dataflow_function, df_confluence_function_0,
18731 df_confluence_function_n, df_transfer_function,
18732 df_finalizer_function, df_free_function, df_dump_problem_function,
18733 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18734 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18735 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18736 df_urec_bb_info, ) New types.
18737 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18739 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18740 df_analyze_simple_change_some_blocks,
18741 df_analyze_simple_change_one_block, df_compact_blocks,
18742 df_bb_replace, df_bb_regno_last_use_find,
18743 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18744 df_insn_regno_def_p, df_find_def, df_find_use,
18745 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18746 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18747 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18748 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18749 debug_df_chain, df_get_dependent_problem, df_chain_create,
18750 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18751 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18752 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18753 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18754 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18755 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18756 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18757 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18758 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18759 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18760 df_reorganize_refs, df_set_state, df_hard_reg_init,
18761 df_read_modify_subreg_p) New public functions.
18762 * df-core.c: The core dataflow solver and glue routines for rtl
18764 (df_init, df_add_problem, df_set_blocks, df_finish,
18765 df_hybrid_search_forward, df_hybrid_search_backward,
18766 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18767 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18768 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18769 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18770 df_reg_defined, df_find_use, df_reg_used, df_dump,
18771 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18772 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18773 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18774 debug_df_useno, reset_df_after_reload): New functions.
18775 * df-scan.c: The scanning fuctions, once in df.c, completely
18776 rewritten so that they now fully model the functionality of
18777 register usage at the backend.
18778 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18779 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18780 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18781 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18782 df_get_artificial_defs, df_get_artificial_uses,
18783 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18784 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18785 df_refs_delete, df_reorganize_refs, df_set_state,
18786 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18787 df_def_record_1, df_defs_record, df_uses_record,
18788 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18789 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18790 df_record_exit_block_uses, df_hard_reg_init): New functions.
18792 * df-problems.c: Seven concrete dataflow problems that use the
18793 scanning in df-scan.c and are solved by the engine in df-core.c.
18794 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18795 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18796 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18797 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18798 df_ru_free_bb_info, df_ru_alloc,
18799 df_ru_bb_local_compute_process_def,
18800 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18801 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18802 df_ru_transfer_function, df_ru_free, df_ru_dump,
18803 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18804 df_rd_free_bb_info, df_rd_alloc,
18805 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18806 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18807 df_rd_transfer_function, df_rd_free, df_rd_dump,
18808 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18809 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18810 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18811 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18812 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18813 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18814 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18815 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18816 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18817 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18818 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18819 df_urec_mark_reg_use_for_earlyclobber,
18820 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18821 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18822 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18823 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18824 df_chain_create_bb_process_use, df_chain_create_bb,
18825 df_chain_finalize, df_chain_free, df_chains_dump,
18826 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18827 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18828 df_reg_lifetime): New functions.
18829 * df.c: Deleted file.
18830 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18831 consistent with new df api.
18832 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18833 rest_of_handle_sms): Ditto.
18834 * web.c (unionfind_union, union_defs, entry_register, web_main):
18836 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18837 invariant_expr_equal_p, find_defs, check_dependencies,
18838 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18839 free_inv_motion_data, move_loop_invariants): Ditto.
18840 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18841 Update dependencies.
18842 (odf.c): Added defective entry that was deleted later in day.
18843 * sched-deps.c (sched_analyze_1): Ditto.
18845 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18847 * tree-ssa-operands.c (get_expr_operands): Record addressable
18848 variables directly. Do not call add_stmt_operands for CONST_DECLs
18850 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18851 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18853 2006-01-11 Ben Elliston <bje@au.ibm.com>
18855 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18856 function returns true in the positive case.
18858 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18861 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18862 for SI, DI, SF and DF modes. Add alternatives to copy between
18863 general and floating point registers to the 32-bit patterns.
18864 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18865 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18866 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18867 generating 64-bit code.
18868 * config/pa/pa.c (output_move_double): Handle copies between general
18869 and floating registers.
18871 2006-01-10 Stuart Hastings <stuart@apple.com>
18873 * config/i386/i386.md (set_got): Update.
18874 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18875 (builtin_setjmp_receiver): Mach-O support.
18876 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18877 (GOT_SYMBOL_NAME): Define.
18878 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18879 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18880 * config/i386/i386.c (override_options): Revise for Darwin.
18881 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18882 support. (darwin_x86_file_end): New. (output_set_got): Add label
18883 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18884 * config/i386/i386-protos.h (output_set_got): Likewise.
18885 * config/darwin.c (machopic_legitimize_pic_address): Update
18888 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18890 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18891 when MODE isn't BLKmode.
18893 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18895 PR rtl-optimization/25367
18896 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18898 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18901 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18902 for a negative bound.
18904 2006-01-10 Richard Guenther <rguenther@suse.de>
18906 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18907 Never override with anything constraint.
18909 2006-01-10 Jan Beulich <jbeulich@novell.com>
18911 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18912 256 bits when optimize_size.
18914 2006-01-10 Jan Beulich <jbeulich@novell.com>
18916 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18918 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18919 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18922 2006-01-10 Ben Elliston <bje@au.ibm.com>
18924 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18926 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18927 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18928 (USE_FP_FOR_ARG): Reject decimal float modes.
18929 (function_arg_advance): Likewise.
18930 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18931 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18932 point types in AltiVec vectors.
18933 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18934 (rs6000_libcall_value): Likewise.
18936 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18938 * config/xtensa/ieee754-df.S: New file.
18939 * config/xtensa/ieee754-sf.S: New file.
18940 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18941 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18942 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18944 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18946 * config/sh/predicates.md (binary_float_operator,
18947 binary_logical_operator, commutative_float_operator,
18948 equality_comparison_operator, greater_comparison_operator,
18949 less_comparison_operator, logical_operator,
18950 noncommutative_float_operator, shift_operator,
18951 symbol_ref_operand, unary_float_operator): Remove redundant
18954 2006-01-09 Jeff Law <law@redhat.com>
18956 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18957 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18958 now unused arguments. Callers updated.
18959 (eliminate_redundant_computations): Remove now unused arguments,
18961 (local_fold): Remove, no longer used.
18962 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18964 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18965 (simplify_cond): New function.
18966 (forward_propagate_into_cond): Call simplify_cond.
18968 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18970 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18971 (*vec_extractv2di_1_sse): New.
18973 2006-01-09 Ben Elliston <bje@au.ibm.com>
18975 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18977 2006-01-08 Richard Guenther <rguenther@suse.de>
18979 * tree-ssa-structalias.c (get_constraint_for): Remove
18980 anyoffset argument.
18981 (get_constraint_for_component_ref): Likewise.
18982 (do_deref): Likewise.
18983 (get_constraint_for): Likewise.
18984 (do_structure_copy): Likewise.
18985 (handle_ptr_arith): Likewise.
18986 (find_func_aliases): Likewise. Remove unused need_anyoffset
18989 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18990 Kaz Kojima <kkojima@gcc.gnu.org>
18992 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18993 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18994 (EXTRA_CONSTRAINT_C16): Remove.
18995 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18996 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18997 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18998 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18999 constants of SHmedia. Handle nested constant expressions of
19001 (andcosts): Fix the costs for SHmedia constants.
19002 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19003 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19004 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19005 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19006 (movv4hi_i, movv2si_i): Likewise.
19007 (movsi_const): Adjust the second operand of ior so to match with
19008 the Csu constraint.
19009 (movdi_const, movdi_const_32bit): Likewise.
19010 (movdi_const_16bit+1): Don't sign-extend LOW.
19011 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19013 (*double_shori): Fix the split condition. Use GEN_INT instead
19014 of get_int_mode calls. Mask lower 16-bit of the argument of
19016 (sym2GOTPLT): Remove.
19017 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19019 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19020 instead of EXTRA_CONSTRAINT_C16.
19022 2006-01-07 Ian Lance Taylor <ian@airs.com>
19023 David Edelsohn <edelsohn@gnu.org>
19025 PR rtl-optimization/25662
19026 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19027 for constant operands instead of simplify_gen_binary.
19028 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19029 after trying simplify_binary_operation
19031 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19033 * tree.c (iterative_hash_expr): Hash decls based on UID.
19035 2006-01-06 Eric Christopher <echristo@apple.com>
19037 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19038 (TARGET_UNWIND_EMIT): Fix spelling.
19039 * target.h (gcc_target): Add except_table_label.
19040 * except.c (output_function_exception_table): Use.
19041 * varasm.c (default_emit_except_table_label): New.
19042 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19044 (asm_out): Add here.
19045 * output.h (default_emit_except_table_label): Prototype.
19046 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19047 * config/darwin.c (darwin_emit_except_table_label): Define.
19048 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19050 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19052 PR tree-optimization/18527
19053 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19054 number_of_iterations_special, number_of_iterations_exit):
19055 Move base and step of an iv to a single structure. Add
19056 no_overflow flag, and use it in # of iterations analysis.
19057 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19058 folded_casts argument.
19059 (simple_iv): Pass base and step in a structure. Set no_overflow
19061 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19062 Evaluate expensiveness of computing # of iterations instead of
19063 the final expression.
19064 * tree-scalar-evolution.h (affine_iv): New structure.
19065 (simple_iv): Declaration changed.
19066 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19067 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19068 find_givs_in_stmt): Changed due to simple_iv change.
19070 2006-01-06 Jeff Law <law@redhat.com>
19073 * tree-cfg.c (bsi_replace): Rename final argument from
19074 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19075 change (stmt -> orig_stmt).
19076 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19077 (bsi_remove): Add new argument. Remove EH information
19079 (verify_eh_throw_table_statements): New function.
19080 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19082 * tree-optimize.c (execute_free_cfg_annotations): Verify
19083 the EH throw statement table after removing annotations.
19084 * except.h (verify_eh_throw_table_statements): Prototype.
19085 * tree-flow.h (bsi_remove): Update prototype.
19086 * tree-vrp.c (remove_range_assertions): Add new argument to
19088 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19089 * tree-complex.c (expand_complex_div_wide): Likewise.
19090 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19091 * tree-tailcall.c (eliminate_tailcall): Likewise.
19092 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19093 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19094 * tree-nrv.c (tree_nrv): Likewise.
19095 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19096 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19097 (combine_blocks): Likewise.
19098 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19099 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19100 (cleanup_control_flow): Likewise.
19101 (remove_forwarder_block): Likewise.
19102 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19103 * tree-sra.c (sra_replace): Likewise.
19104 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19105 (forward_propagate_single_use_vars): Likewise.
19106 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19107 * tree-inline.c (expand_call_inline): Likewise.
19108 * tree-vect-transform.c (vect_transform_loop): Likewise.
19109 * tree-outof-ssa.c (rewrite_trees): Likewise.
19110 * tree-cfg.c (make_goto_expr_edges): Likewise.
19111 (cleanup_dead_labels): Likewise.
19112 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19113 (bsi_move_before, bsi_move_after): Likewise.
19114 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19115 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19117 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19120 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19122 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19123 on non gimple variables. Also add checks at the top for decls and
19125 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19127 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19128 and IMAGPART_EXPR for creating MUST_DEFs.
19129 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19130 and NAME_MEMORY_TAG separately from the DECLs.
19132 2006-01-06 Richard Guenther <rguenther@suse.de>
19134 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19135 annotation, if necessary.
19136 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19137 redundant calls to update_stmt.
19138 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19141 2006-01-05 Richard Henderson <rth@redhat.com>
19143 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19145 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19147 * c-typeck.c: Update copyright date.
19149 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19151 * c-typeck.c (build_c_cast): Always warn when casting
19152 from a pointer to an integer of different size, even if
19153 the node was constant.
19155 2006-01-05 Richard Guenther <rguenther@suse.de>
19157 PR tree-optimization/22555
19158 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19159 if one structure field is an array.
19160 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19161 operands even if we found a subvar, but ignore VOPs in this
19163 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19165 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19167 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19169 PR middle-end/24998
19170 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19172 2006-01-05 Richard Guenther <rguenther@suse.de>
19173 Diego Novillo <dnovillo@redhat.com>
19175 * tree-pass.h (TODO_remove_unused_locals): Define.
19176 * gimple-low.c (expand_var_p, remove_useless_vars,
19177 pass_remove_useless_vars): Remove. Update all users.
19178 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19179 (remove_unused_locals): New function.
19180 * tree-flow.h (remove_unused_locals): Declare.
19181 * passes.c (execute_todo): Call remove_unused_locals if
19182 TODO_remove_unused_locals is set.
19183 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19184 * tree-ssa-dce.c (pass_dce): Likewise.
19185 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19187 2006-01-05 Richard Guenther <rguenther@suse.de>
19189 * tree-flow.h (struct fieldoff): Decompose field to
19190 type, size and decl.
19191 * tree-ssa-alias.c (create_sft): Take type as parameter.
19192 (create_overlap_variables_for): Store type, size and decl
19193 in the fieldoff structure.
19194 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19195 of struct fieldoff.
19196 (push_fields_onto_fieldstack): Likewise.
19197 (create_variable_info_for): Likewise. Use offset for the
19198 SFT name if the decl is not available.
19200 2006-01-04 Paul Brook <paul@codesourcery.com>
19202 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19204 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19206 * lambda-code.c (can_put_in_inner_loop): Relax
19208 (can_put_after_inner_loop): New function.
19209 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19210 (perfect_nestify): Change to make copies and modify uses.
19212 2006-01-04 Richard Henderson <rth@redhat.com>
19214 Merge from gomp branch:
19215 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19216 via integer constant.
19217 (pragma_lex): Remove.
19218 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19219 rather than parsing it.
19220 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19221 handle_pragma_extern_prefix): Add %< %> quotes.
19222 (registered_pragmas): New.
19223 (c_register_pragma_1): New.
19224 (c_register_pragma): Use it.
19225 (c_register_pragma_with_expansion): Likewise.
19226 (c_invoke_pragma_handler): New.
19227 (init_pragma): Use cpp_register_deferred_pragma directly for
19229 * c-pragma.h (enum pragma_kind): New.
19230 (pragma_handler): New.
19231 (c_invoke_pragma_handler): Declare.
19232 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19234 * c-common.h (c_common_pch_pragma): Update decl.
19235 * Makefile.in (c-parser.o): Update dependencies.
19236 (GTFILES): Add c-pragma.h.
19237 * c-parser.c (struct c_token): Add pragma_kind.
19238 (struct c_parser): Add in_pragma.
19239 (c_lex_one_token): Always initialize keyword and pragma_kind.
19240 Extract data for CPP_PRAGMA.
19241 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19242 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19243 Don't allow CPP_PRAGMA_EOL if in_pragma.
19244 (c_parser_consume_pragma): New.
19245 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19246 (c_parser_skip_to_end_of_parameter): Likewise.
19247 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19248 (c_parser_skip_to_pragma_eol): New.
19249 (c_parser_external_declaration): Handle CPP_PRAGMA.
19250 (c_parser_compound_statement_nostart): Likewise.
19251 (c_parser_statement_after_labels): Likewise.
19252 (c_parser_pragma): New.
19253 (pragma_lex): Likewise.
19254 (c_parser_pragma_pch_preprocess): New.
19255 (c_parser_new): Merge into ...
19256 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19258 2006-01-04 Jeff Law <law@redhat.com>
19261 * tree-cfg.c (bsi_replace): Remove the original statement
19262 from the EH throw statement table.
19264 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19266 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19267 make the prototype extern "C" and add throw ().
19270 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19271 and pos non-negative and pos + len <= 32.
19272 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19273 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19274 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19277 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19278 as well as sizes not multiple of component size.
19281 * function.c (instantiate_expr): New function.
19282 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19283 walk its DECL_VALUE_EXPR with instantiate_expr.
19285 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19286 DW_OP_deref{,_size} if address isn't going to be added.
19288 2006-01-04 Ben Elliston <bje@au.ibm.com>
19290 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19291 * config/fp-bit.c: Likewise.
19293 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19295 * dominance.c: Add comment about why we use DFS numbering
19298 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19299 Richard Henderson <rth@redhat.com>
19301 Merge from gomp-branch:
19302 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19303 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19305 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19307 PR rtl-optimization/25578
19308 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19309 pass a parameter to simplify_shift_const if changing ASHIFTRT
19312 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19314 * builtins.c (get_builtin_sync_mem): New function.
19315 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19316 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19317 Call get_builtin_sync_mem to generate mem rtx.
19319 2006-01-03 Richard Guenther <rguenther@suse.de>
19322 * stmt.c (add_case_node): Make sure to clear overflow flags
19325 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19327 Merge from gomp-branch.
19328 * config/sparc/sync.md: New file.
19329 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19330 UNSPECV_LDSTUB): New constants.
19331 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19332 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19333 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19336 2006-01-03 Roger Sayle <roger@eyesopen.com>
19338 * combine.c (reg_subword_p): New predicate to test whether the
19339 destination of a set refers to a subword/piece of a register.
19340 (try_combine): Generalize the code to merge the setting of a
19341 pseudo to a constant followed by a set of a subword of that
19342 register to a constant.
19344 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19346 * basic-block.h (control_flow_graph): Change the type of
19347 x_label_to_block_map to VEC(basic_block,gc) *.
19348 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19349 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19351 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19352 VEC(basic_block,heap) *.
19353 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19354 ssa_prop_fini): Adjust the uses of cfg_blocks.
19356 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19358 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19360 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19361 hashing trees instead of a pointer hash.
19362 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19363 compare for MEM_EXPR.
19365 PR rtl-optimization/25130
19366 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19367 when comparing MEMs for GCSE
19369 2006-01-03 Ben Elliston <bje@au.ibm.com>
19371 * targhooks.h (default_decimal_float_supported_p): Declare.
19372 * targhooks.c (default_decimal_float_supported_p): Define.
19373 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19374 `default_decimal_float_supported_p'.
19375 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19377 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19379 * combine.c (apply_distributive_law <SUBREG>): Check
19380 TRULY_NOOP_TRUNCATION.
19382 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19384 * dwarf2out.c (have_switched_text_section): Delete.
19385 (have_multiple_function_sections): New.
19386 (have_location_lists): Make 'bool'.
19387 (add_AT_loc_list): Use 'true' not '1'.
19388 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19389 (output_loc_list): Use have_multiple_function_sections.
19390 (output_ranges): Likewise.
19391 (dwarf2out_begin_function): Set have_multiple_function_sections if
19393 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19394 Check function_section rather than DECL_SECTION_NAME.
19395 (dwarf2out_finish): Use have_multiple_function_sections.
19396 Don't clear have_location_lists.
19398 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19399 Jan Hubicka <jh@suse.cz>
19401 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19402 case of conditional jump jumping to the next instruction.
19403 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19404 cases of conditional jump jumping to the next instruction.
19406 2006-01-02 Jan Hubicka <jh@suse.cz>
19408 * i386.c (*_cost): Add COSTS_N_INSNS.
19409 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19411 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19414 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19416 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19418 * config/arm/arm.c (all_fpus): Fix comment typo.
19419 * config/darwin.c: Likewise.
19420 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19421 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19422 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19424 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19426 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19427 (rs6000_split_compare_and_swapqhi): New.
19428 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19429 (sync_compare_and_swapqhi_internal): New.
19430 * config/rs6000/rs6000-protos.h: Declare.