1 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3 * var-tracking.c (emit_note_insn_var_location): Take care not to
4 cause verify_flow_info failures.
6 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
8 * tree-ssa-structalias.c: Remove edge weights in favor of just
9 processing them as complex constraints.
10 (struct constraint_graph): Remove weighted succs and preds. Rename
11 nonweighted succs and preds.
12 (constraint_edge): Removed.
13 (constraint_edge_t): Ditto.
14 (constraint_edge_pool): Ditto.
15 (new_constraint_edge): Ditto.
16 (constraint_edge_equal): Ditto.
17 (constraint_edge_less): Ditto.
18 (constraint_edge_vec_find): Ditto.
19 (erase_self_graph_edge): Ditto.
20 (add_graph_edge): Removed.
21 (get_graph_weights): Ditto.
22 (allocate_graph_weights): Ditto. (
23 (valid_weighted_graph_edge): Ditto
24 (bitmap_other_than_zero_bit_set): Ditto.
25 (int_add_graph_edge): Renamed to add_graph_edge.
26 (clear_edges_for_node): Remove support for weighted edges.
27 (merge_graph_nodes): Ditto.
28 (valid_graph_edge): Ditto.
29 (build_constraint_graph): Ditto.
31 (collapse_nodes): Ditto.
32 (process_unification_queue): Ditto.
34 (do_ds_constraint): Ditto.
35 (perform_var_subsitution): Ditto.
37 (init_alias_vars): Ditto.
38 (delete_points_to_sets): Ditto.
39 (do_complex_constraint): Support offsetted copies here.
41 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
43 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
45 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
47 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
50 2006-11-23 Ben Elliston <bje@au.ibm.com>
52 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
54 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
56 PR tree-optimization/29921
57 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
58 signed and unsigned zero equal.
60 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
62 * config/rs6000/rs6000.c (get_store_dest): New.
63 (adjacent_mem_locations): Use get_store_dest() to get
64 the rtl of the store destination.
66 2006-11-22 Joseph Myers <joseph@codesourcery.com>
68 * config/rs6000/spe.md (SPE64): New mode macro.
69 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
71 (mov_si<mode>_e500_subreg0_2): New.
72 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
74 (mov_si<mode>_e500_subreg4_2): New.
75 * config/rs6000/predicates.md (input_operand): Do not allow
77 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
79 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
80 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
81 involving vector modes if TARGET_SPE.
83 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
86 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
87 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
89 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
91 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
92 mem_i_address_operand): New predicates.
93 * config/bfin/bfin.c (bfin_issue_rate): New function.
94 (TARGET_SCHED_ISSUE_RATE): New macro.
95 * config/bfin/bfin.md (addrtype): New attribute.
96 (slot0, slot1, slot2, store, pregs): New cpu_units.
97 (core): Now a define_reservation.
98 (alu): Remove some insn types from this reservation.
99 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
101 (dummy reservation): Don't trigger for mcld insns.
102 (absence_sets): Two new absence sets to enforce slot ordering.
103 (popsi_insn): Set addrtype.
105 2006-11-22 Ira Rosen <irar@il.ibm.com>
107 * doc/c-tree.texi: Document new tree codes.
108 * doc/md.texi: Document new optabs.
109 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
111 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
112 * optabs.h (optab_index): Add new.
113 (vec_extract_even_optab, vec_extract_odd_optab,
114 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
115 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
116 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
118 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
119 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
120 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
121 along with macros for their access.
122 * tree-data-ref.h (first_location_in_loop, data_reference): Update
124 * tree-vect-analyze.c (toplev.h): Include.
125 (vect_determine_vectorization_factor): Fix indentation.
126 (vect_insert_into_interleaving_chain,
127 vect_update_interleaving_chain, vect_equal_offsets): New functions.
128 (vect_analyze_data_ref_dependence): Add argument for interleaving
129 check. Check for interleaving if it's true.
130 (vect_check_dependences): New function.
131 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
132 every ddr. Call vect_analyze_data_ref_dependence with new argument.
133 (vect_update_misalignment_for_peel): Update for interleaving.
134 (vect_verify_datarefs_alignment): Check only first data-ref for
136 (vect_enhance_data_refs_alignment): Update for interleaving. Check
137 only first data-ref for interleaving.
138 (vect_analyze_data_ref_access): Check interleaving, update
140 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
141 with different parameters.
142 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
143 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
144 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
145 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
146 Update step in case of interleaving.
147 (vect_strided_store_supported, vect_permute_store_chain): New
149 (vectorizable_store): Handle strided stores.
150 (vect_strided_load_supported, vect_permute_load_chain,
151 vect_transform_strided_load): New functions.
152 (vectorizable_load): Handle strided loads.
153 (vect_transform_stmt): Add argument. Handle strided stores. Check
154 that vectorized stmt exists for patterns.
155 (vect_gen_niters_for_prolog_loop): Update calculation for
157 (vect_transform_loop): Remove stmt_vec_info for strided stores after
158 whole chain vectorization.
159 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
160 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
161 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
162 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
163 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
165 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
167 * cse.c (enum taken): Remove PATH_AROUND.
168 (addr_affects_sp_p, invalidate_skipped_set,
169 invalidate_skipped_block): Remove.
170 (cse_end_of_basic_block): Remove skip_blocks and related code.
171 (cse_main): Don't test for flag_cse_skip_blocks.
172 Update cse_end_of_basic_block call.
173 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
174 code to lengthen the path if a jump was simplified.
176 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
178 PR rtl-optimization/29924
179 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
180 (unroll_loop_runtime_iterations): Assert that the argument passed to
181 split_edge_and_insert is not NULL.
182 * loop-doloop.c (add_test): Ditto.
184 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
186 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
188 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
189 * cfgloopmanip.c (update_single_exits_after_duplication,
190 update_single_exit_for_duplicated_loop, loop_version): Ditto.
191 * tree-scalar-evolution.c (get_loop_exit_condition,
192 get_exit_conditions_rec, loop_closed_phi_def,
193 number_of_iterations_in_loop, scev_const_prop): Ditto.
194 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
195 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
197 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
199 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
200 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
201 slpeel_make_loop_iterate_ntimes,
202 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
203 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
205 * tree-if-conv.c (if_convertible_loop_p): Ditto.
206 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
207 vect_analyze_loop_form): Ditto.
208 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
209 can_convert_to_perfect_nest, perfect_nestify): Ditto.
210 * tree-vect-transform.c (vect_create_epilog_for_reduction,
211 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
212 vect_transform_loop): Ditto.
213 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
214 (single_exit, set_single_exit): New functions.
215 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
216 (single_exit, set_single_exit): Declare.
217 * doc/loop.texi: Undocument single_exit field. Document single_exit
220 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
222 PR tree-optimization/29902
223 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
224 any involved ssa name appears in abnormal phi node.
226 2006-11-21 Bob Wilson <bob.wilson@acm.org>
228 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
229 (xtensa_const_ok_for_letter_p): Delete.
230 (xtensa_extra_constraint): Delete.
231 (override_options): Delete xtensa_char_to_class initialization.
232 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
233 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
234 (EXTRA_CONSTRAINT): Delete.
235 * config/xtensa/xtensa.md: Include constraints.md.
236 (call_internal): Combine alternatives.
237 (call_value_internal): Likewise, and remove invalid constraints.
238 * config/xtensa/constraints.md: New file.
239 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
240 (xtensa_extra_constraint): Delete.
241 * doc/md.texi (Machine Constraints): Refer to constraints.md for
244 2006-11-21 Janis Johnson <janis187@us.ibm.com>
246 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
247 of conversion that doesn't fit.
249 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
250 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
251 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
253 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
255 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
257 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
259 2006-11-21 Richard Guenther <rguenther@suse.de>
261 * tree-vectorizer.h (NUM_PATTERNS): Increase.
262 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
263 vect_recog_pow_pattern.
264 (vect_recog_pow_pattern): New function.
266 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
268 * config/bfin/bfin.opt (mstack-check-l1): New.
269 * doc/invoke.texi (Blackfin Options): Document it.
270 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
271 stack bounds in L1 memory if the new option is enabled.
272 (override_options): Don't allow combinations of -fstack-limit and
274 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
277 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
279 (bfin_register_move_cost): Bump costs if trying to move plain
280 integer values through accumulators.
282 2006-11-21 Ben Elliston <bje@au.ibm.com>
284 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
286 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
287 Russell Olsen <Russell_Olsen@playstation.sony.com>
288 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
289 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
290 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
291 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
292 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
294 * config.gcc: Add target for SPU.
295 * config/spu/constraints.md: New file.
296 * config/spu/crt0.c: New file.
297 * config/spu/crtend.c: New file.
298 * config/spu/crti.asm: New file.
299 * config/spu/crtn.asm: New file.
300 * config/spu/float_unsdidf.c: New file.
301 * config/spu/float_unssidf.c: New file.
302 * config/spu/predicates.md: New file.
303 * config/spu/spu-builtins.def: New file.
304 * config/spu/spu-builtins.h: New file.
305 * config/spu/spu-builtins.md: New file.
306 * config/spu/spu-c.c: New file.
307 * config/spu/spu-elf.h: New file.
308 * config/spu/spu-modes.def: New file.
309 * config/spu/spu-protos.h: New file.
310 * config/spu/spu.c: New file.
311 * config/spu/spu.h: New file.
312 * config/spu/spu.md: New file.
313 * config/spu/spu.opt: New file.
314 * config/spu/spu_internals.h: New file.
315 * config/spu/spu_intrinsics.h: New file.
316 * config/spu/spu_mfcio.h: New file.
317 * config/spu/t-spu-elf: New file.
318 * config/spu/vec_types.h: New file.
319 * config/spu/vmx2spu.h: New file.
320 * doc/contrib.texi: Document SPU contributor.
321 * doc/extend.texi: Document SPU extensions.
322 * doc/invoke.texi: Document SPU options.
323 * doc/md.texi: Document SPU constraints.
325 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
327 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
329 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
331 (flow_loop_dump): Do not dump loop level.
332 (flow_loops_find): Do not call flow_loops_level_compute.
333 * cfgloop.h (struct loop): Remove level field.
335 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
337 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
338 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
339 Use vector of edges instead of array.
340 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
341 estimate_numbers_of_iterations_loop): Ditto.
342 * predict.c (predict_loops): Ditto.
343 * loop-unroll.c (analyze_insns_in_loop): Ditto.
344 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
346 * basic-block.h: Declare heap allocation for edge vectors.
347 * tree-outof-ssa.c: Ditto.
348 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
349 * cfgloop.h (get_loop_exit_edges): Declaration changed.
351 2006-11-20 Zack Weinberg <zackw@panix.com>
353 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
354 Add another out parameter, "skip".
355 (set_gc_used_type): Adjust calls to process_gc_options. If a field
356 is tagged "skip", do not mark its type used.
358 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
361 * tree-sra.c (single_scalar_field_in_record_p): New function.
362 (decide_block_copy): Use it.
364 2006-11-20 David Daney <ddaney@avtrex.com>
366 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
367 PC to point to following instruction.
369 2006-11-20 Anatoly Sokolov <aesok@post.ru>
373 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
375 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
377 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
379 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
380 Add sh/superh.h to tm_file.
382 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
383 Mark Mitchell <mark@codesourcery.com>
385 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
387 (cpp_relocated): New function.
388 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
390 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
391 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
392 replace configured prefix with gcc_exec_prefix.
394 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
396 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
397 bfin_legitimate_constant_p.
398 * config/bfin/bfin.md (movsi expander): Check return value of
400 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
401 (expand_move): Adjust prototype.
402 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
403 invalid constants specially.
404 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
406 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
408 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
409 sibcall_value_symbol): Allow these patterns if
410 TARGET_LEAF_ID_SHARED_LIBRARY.
411 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
412 (override_options): Turn on id shared library flags if -msep-data,
413 but disallow the combination of these options on the command line.
414 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
415 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
416 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
418 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
419 * doc/invoke.texi (Blackfin Options): Document new switches.
421 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
422 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
424 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
425 inflate costs for addresses with an out-of-bounds address.
427 2006-11-19 Andrew Pinski <pinskia@gmail.com>
430 * fwprop.c (loops): Remove.
431 (forward_propagate_into): Use current_loops instead of
433 (fwprop_init): Call loop_optimizer_init instead of
435 (fwprop_done): Call loop_optimizer_finalize instead of
437 (fwprop): Use current_loops instead of loops.
439 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
442 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
444 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
447 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
448 larger than BITS_PER_WORD.
450 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
454 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
455 to MAX_FIXED_MODE_SIZE.
457 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
459 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
460 (fold_builtin_fmin_fmax): New.
461 (fold_builtin_1): Use it.
463 * fold-const.c (fold_strip_sign_ops): Handle copysign.
465 2006-11-18 Richard Guenther <rguenther@suse.de>
467 * config/i386/i386.c (ix86_builtins): New array for ix86
468 builtin function decls.
469 (def_builtin): New function.
470 (def_builtin_const): Likewise.
471 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
473 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
475 * doc/invoke.texi (core2): Add item.
477 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
479 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
480 (TARGET_CPU_DEFAULT_generic): Change value.
481 (TARGET_CPU_DEFAULT_NAMES): Add core2.
482 (processor_type): Add new constant PROCESSOR_CORE2.
484 * config/i386/i386.md (cpu): Add core2.
486 * config/i386/i386.c (core2_cost): New initialized variable.
487 (m_CORE2): New macro.
488 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
489 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
490 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
491 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
492 x86_partial_reg_dependency, x86_memory_mismatch_stall,
493 x86_accumulate_outgoing_args, x86_prologue_using_move,
494 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
495 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
496 x86_use_incdec, x86_four_jump_limit, x86_schedule,
497 x86_pad_returns): Add m_CORE2.
498 (override_options): Add entries for Core2.
499 (ix86_issue_rate): Add case for Core2.
501 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
503 * doc/invoke.texi: Fix mno-isel typo.
505 2006-11-18 Joseph Myers <joseph@codesourcery.com>
507 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
508 easy vector constant loads.
510 2006-11-18 Joseph Myers <joseph@codesourcery.com>
512 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
513 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
514 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
515 * config/rs6000/sync.md (lwsync): Emit plain sync if
518 2006-11-17 DJ Delorie <dj@redhat.com>
520 * reload1.c (reloads_unique_chain): New.
521 (reloads_conflict): Call it.
523 2006-11-17 Bob Wilson <bob.wilson@acm.org>
525 * config/xtensa/predicates.md (addsubx_operand): New.
526 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
527 (xtensa_emit_bit_branch): New.
528 (xtensa_emit_movcc): New.
529 * config/xtensa/xtensa.md (any_minmax): New code macro.
530 (minmax): New code attribute.
531 (any_cond, any_scc, any_scc_sf): New code macros.
532 (*addx2, *addx4, *addx8): Delete.
534 (*subx2, *subx4, *subx8): Delete.
536 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
537 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
538 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
539 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
540 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
541 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
542 (movsfcc_internal0, movsfcc_internal1): Likewise.
543 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
544 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
545 (xtensa_emit_bit_branch): New.
546 (xtensa_emit_movcc): New.
547 (function_arg_boundary): Add missing prototype.
549 2006-11-17 Bob Wilson <bob.wilson@acm.org>
551 * config/xtensa/xtensa.md (tstsi): Delete
553 2006-11-17 Bob Wilson <bob.wilson@acm.org>
555 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
557 2006-11-17 Bob Wilson <bob.wilson@acm.org>
559 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
561 2006-11-17 Bob Wilson <bob.wilson@acm.org>
563 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
565 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
567 * tree-vrp.c (execute_vrp): Do not update current_loops.
568 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
569 * doc/loop.texi: Remove documentation for cancelled functions.
570 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
571 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
573 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
574 (remove_path): Ensure that in delete_basic_blocks, the loops
576 (add_loop): Work on valid loop structures.
577 (loopify): Modify call of add_loop.
578 (mfb_update_loops): Removed.
579 (create_preheader): Do not update loops explicitly.
580 (force_single_succ_latches, loop_version): Do not use
581 loop_split_edge_with.
582 (loop_split_edge_with): Removed.
583 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
584 Do not use bsi_insert_on_edge_immediate_loop.
585 (split_loop_exit_edge, tree_unroll_loop): Do not use
586 loop_split_edge_with.
587 (bsi_insert_on_edge_immediate_loop): Removed.
588 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
589 use loop_split_edge_with.
590 * cfghooks.c: Include cfgloop.h.
591 (verify_flow_info): Verify that loop_father is filled iff current_loops
593 (redirect_edge_and_branch_force, split_block, delete_basic_block,
594 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
596 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
598 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
599 loop_split_edge_with.
600 (sms_schedule): Use current_loops.
601 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
602 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
604 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
605 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
606 * ifcvt.c (if_convert): Ditto.
607 * predict.c (predict_loops): Do not clear current_loops.
608 (tree_estimate_probability): Use current_loops.
609 (propagate_freq): Receive head of the region to propagate instead of
611 (estimate_loops_at_level): Do not use shared to_visit bitmap.
612 (estimate_loops): New function. Handle case current_loops == NULL.
613 (estimate_bb_frequencies): Do not allocate tovisit. Use
615 * tree-ssa-loop.c (current_loops): Removed.
616 (tree_loop_optimizer_init): Do not return loops.
617 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
618 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
619 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
620 Do not update loops explicitly.
621 * function.h (struct function): Add x_current_loops field.
622 (current_loops): New macro.
623 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
624 * loop-unroll.c (split_edge_and_insert): New function.
625 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
626 use loop_split_edge_with.
627 * loop-doloop.c (add_test, doloop_modify): Ditto.
628 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
629 * cfglayout.c (copy_bbs): Do not update loops explicitly.
630 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
631 * tree-vect-transform.c (vect_transform_loop): Do not update loops
633 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
634 (flow_loops_free): Do not free dfs_order and rc_order.
635 (flow_loops_find): Do not set dfs_order and rc_order in loops
636 structure. Do not call loops and flow info verification.
637 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
638 already belongs to some loop.
639 * cfgloop.h (struct loops): Remove struct cfg.
640 (current_loops, loop_split_edge_with): Declaration removed.
641 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
642 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
644 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
645 * basic-block.h (split_edge_and_insert): Declare.
646 * tree-cfg.c (remove_bb): Do not update loops explicitly.
648 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
650 PR tree-optimization/29801
651 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
652 (get_default_value): Use get_symbol_constant_value.
653 (set_lattice_value): ICE when the value of the constant is
655 (visit_assignment): Ignore VDEFs of read-only variables.
657 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
659 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
661 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
662 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
664 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
666 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
667 select subvars of var.
669 2006-11-17 Jakub Jelinek <jakub@redhat.com>
672 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
673 optimize if DEF doesn't have integral type.
675 2006-11-16 Mike Stump <mrs@apple.com>
677 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
678 pre-darwin9 system, unless the user asks for it directly.
679 (PREFERRED_DEBUGGING_TYPE): Likewise.
680 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
681 * config.gcc: Add suppport for darwin9.h.
682 * config/darwin9.h: Add.
683 * doc/install.texi (Specific): Clarify darwin documentation.
685 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
687 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
690 2006-11-16 Mike Stump <mrs@apple.com>
692 * Makefile.in (targhooks.o): Add $(OPTABS_H).
694 2006-11-16 Dirk Mueller <dmueller@suse.de>
696 * tree-vrp.c (get_value_range): Use XCNEW instead
698 (insert_range_assertions): Use XCNEWVEC instead
699 of XNEWVEC and memset.
700 (vrp_initialize): Same.
701 (vrp_finalize): Same.
702 * tree-ssa-ccp.c (ccp_initialize): Same.
703 * predict.c (tree_bb_level_predictions): Same.
704 * calls.c (expand_call): Same.
705 * tree-ssa-copy.c (init_copy_prop): Same.
706 (fini_copy_prop): Same.
707 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
708 of GGC_NEW and memset.
710 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
713 * gimplify.c (gimplify_expr): Only force a load for references to
714 non-BLKmode volatile values.
715 * doc/implement-c.texi (Qualifiers implementation): Document the
716 interpretation of what a volatile access is.
717 * doc/extend.texi (C++ Extensions): Rework same documentation.
719 2006-11-16 Joseph Myers <joseph@codesourcery.com>
721 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
724 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
726 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
728 (arm_neg_abssi2): Renamed from neg_abssi2.
729 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
731 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
734 number of arguments passed to local functions in SSE registers is 3.
736 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
737 number of arguments passed in SSE registers to 3.
739 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
742 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
744 (get_last_bb_insn): ... new global function.
745 (basic_block.h): Declare it.
746 * haifa-sched.c (create_recovery_block): Use it.
748 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
751 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
753 2006-11-15 Paul Brook <paul@codesourcery.com>
755 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
756 _Unwind_GetTextRelBase): Move from here ...
757 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
758 _Unwind_GetTextRelBase): ... To here.
760 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
762 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
763 addresses we generate for testing are aligned.
765 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
768 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
769 to what is the const decl is a place holder for.
771 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
773 * config/i386/i386.opt: New target option -mx87regparm.
775 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
776 and float_in_x87 variables. mmx_words, sse_words: Remove.
777 (X87_REGPARM_MAX): Define.
779 * config/i386/i386.c (override_options): Error out for
780 -mx87regparm but no 80387 support.
781 (ix86_attribute_table): Add x87regparm.
782 (ix86_handle_cconv_attribute): Update comments for x87regparm.
783 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
784 (ix86_function_x87regparm): New function.
785 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
787 (init_cumulative_args): Initialize x87_nregs and float_in_x87
789 (function_arg_advance): Process x87_nregs and x87_regno when
790 floating point argument is to be passed in 80387 register.
791 (function_arg): Pass XFmode arguments in 80387 registers for local
792 functions. Pass SFmode and DFmode arguments to local functions
793 in 80387 registers when flag_unsafe_math_optimizations is set.
795 * reg-stack.c (convert_regs_entry): Disable NaN load for
796 stack registers that are used for argument passing.
798 * doc/extend.texi: Document x87regparm function attribute.
799 * doc/invoke.texi: Document -mx87regparm.
801 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
803 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
804 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
805 arg MODE; all callers changed. Use it to determine validity per
806 machine mode instead of using Pmode for all memory references.
807 (get_address_cost): Likewise add and use new arg MEM_MODE.
809 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
810 J"orn Rennecke <joern.rennecke@st.com>
812 * combine.c (likely_spilled_retval_1): Fix masking operation.
813 (likely_spilled_retval_p): Use proper pattern for call to
814 likely_spilled_retval_1.
816 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
818 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
820 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
821 that tests for CONSTANT_POOL_ADDRESS_P.
823 2006-11-15 Jakub Jelinek <jakub@redhat.com>
825 PR tree-optimization/29581
826 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
827 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
828 type is different between Y and USE, create a temporary
829 variable, initialize it at the beginning of the body bb
830 and use it as replacement instead of Y.
832 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
835 * gimplify.c (fold_indirect_ref_rhs): Use
836 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
838 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
840 * expmed.c (emit_store_flag_1): New function.
841 (emit_store_flag): Call it. If we can't find a suitable scc insn,
843 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
844 Use do_compare_rtx_and_jump.
845 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
846 * arm.md (cstoresi4): New define_expand.
847 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
848 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
849 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
851 2006-11-14 Caroline Tice <ctice@apple.com>
853 * dwarf2out.c (debug_pubtypes_section): New static global variable.
854 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
856 (pubname_table): Redefine as a vector.
857 (pubtype_table): New static global variable, defined as a vector.
858 (pubname_table_allocated): Remove static global variable.
859 (pubname_table_in_use): Remove static global variable.
860 (PUBNAME_TABLE_INCREMENT): Remove constant.
861 (size_of_pubnames): Add parameter to deal with either pubnames or
862 pubtypes, and change code to deal with table being a vector.
863 (add_pubname): Change to deal with table being a vector.
864 (add_pubtype): New function.
865 (output_pubnames): Add parameter to deal with either pubnames or
866 pubtypes, and change code to deal with table being a vector.
867 (gen_array_type_die): Add call to add_pubtype.
868 (gen_enumeration_type_die): Add call to add_pubtype.
869 (gen_struct_or_union_type_die): Add call to add_pubtype.
870 (gen_subroutine_type_die): Add call to add_pubtype.
871 (gen_typedef_die): Add call to add_pubtype.
872 (dwarf2out_init): Add code to initialize pubname_table and
873 pubtype_table vectors; also initialize debug_pubtypes_section.
874 (prune_unused_types): Change to deal with pubnames being a vector.
875 (dwarf2out_finish): Change to deal with pubnames being a vector; add
876 pubnames table to call to output_pubnames; Add code to output pubtypes
877 table if DEBUG_PUBTYPES_SECTION is defined.
878 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
880 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
882 2006-11-14 Joseph Myers <joseph@codesourcery.com>
884 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
885 iwmmxt_nregs if TARGET_IWMMXT_ABI.
886 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
887 movv2si_internal): Support moves between core registers.
889 2006-11-14 Eric Christopher <echristo@apple.com>
891 * configure: Regenerate with autoconf 2.59.
893 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
895 Fix PR tree-optimization/27755
897 * tree-ssa-pre.c: Update comments.
898 (bb_bitmap_sets): Add pa_in and deferred member.
899 (BB_DEFERRED): New macro.
900 (maximal_set): New variable.
901 (pre_stats): Add pa_insert member.
902 (bitmap_set_and): Short circuit orig == dest.
903 (bitmap_set_subtract_values): New function.
904 (bitmap_set_contains_expr): Ditto.
905 (translate_vuses_through_block): Add phiblock argument.
906 (dependent_clean): New function.
907 (compute_antic_aux): Update for maximal_set changes.
908 (compute_partial_antic_aux): New function.
909 (compute_antic): Handle partial anticipation.
910 (do_partial_partial_insertion): New function.
911 (insert_aux): Handle partial anticipation.
912 (add_to_sets): Add to maximal set.
913 (compute_avail): Ditto.
914 (init_pre): Initialize maximal_set.
915 (execute_pre): Do partial anticipation if -O3+.
917 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
919 PR rtl-optimization/29798
921 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
922 TARGET_INSN before any other check.
923 (fwprop_init): Always calculate dominators.
924 (fwprop_done): Always free them.
926 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
928 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
931 2006-11-13 DJ Delorie <dj@redhat.com>
933 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
934 temporary for intermediates.
936 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
938 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
939 (sh_optimize_target_register_callee_saved): #if 0 the code
940 using NOTE_INSN_LOOP_{BEG,END}.
942 2006-11-13 Roger Sayle <roger@eyesopen.com>
944 * fold-const.c (optimize_bit_field_compare): Recursively call
945 fold when simplifying non-constant comparisons between bit-fields.
947 2006-11-13 Jakub Jelinek <jakub@redhat.com>
949 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
951 * configure: Rebuilt.
953 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
955 * config/rs6000/cell.md: New file.
956 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
958 (ppccell_cost): New cost matrix.
959 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
960 (rs6000_override_options): Set rs6000_always_hint to false
961 for cell. Also align functions/lables/loops to 8byte
962 for the Cell. Use PROCESSOR_CELL.
963 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
965 (rs6000_variable_issue): If the insn is a nonpipelined instruction
966 on the Cell, return 0.
967 (rs6000_adjust_cost): Add Cell cost adjustments.
968 (is_microcoded_insn): Return true for Cell microcoded
970 (is_nonpipeline_insn): New function.
971 (rs6000_issue_rate): Add PROCESSOR_CELL.
972 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
974 (rs6000_use_sched_lookahead_guard): New function.
975 (rs6000_sched_reorder): Reorder the ready list, if the second
976 to last ready insn is a nonepipeline insn on the Cell.
977 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
978 (ASM_CPU_SPEC): Add Cell.
979 * config/rs6000/rs6000.md (cpu): Add Cell.
980 (cell_micro): New Attr.
983 2006-11-13 Jakub Jelinek <jakub@redhat.com>
985 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
987 * configure: Rebuilt.
989 2006-11-13 Richard Guenther <rguenther@suse.de>
991 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
993 (ix86_expand_lfloorceil): Likewise.
994 (ix86_expand_rint): Likewise.
995 (ix86_expand_floorceildf_32): Likewise.
996 (ix86_expand_floorceil): Likewise.
997 (ix86_expand_rounddf_32): Likewise.
998 (ix86_expand_truncdf_32): Likewise.
999 (ix86_expand_round): Likewise.
1001 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1002 Mark Mitchell <mark@codesourcery.com>
1004 * gcc.c: Organize search path variables into $prefix relative,
1005 and well-known native. Add comments.
1006 (add_sysrooted_prefix): Add comment.
1007 (process_command): If !gcc_exec_prefix add $prefix based paths.
1008 If *cross_compile == '0', add native well-known paths.
1009 Assert tooldir_base_prefix is always relative.
1010 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1011 use this value for 'install:' path.
1012 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1014 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1016 * config/i386/i386.c: Fix a typo in comment.
1018 2006-11-13 Michael Matz <matz@suse.de>
1020 * genemit.c (gen_expand): Allocate enough memory.
1022 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1024 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1025 __GXX_TYPEINFO_EQUALITY_INLINE but not
1026 __GXX_MERGED_TYPEINFO_NAMES.
1027 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1028 __GXX_MERGED_TYPEINFO_NAMES.
1029 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1030 __GXX_TYPEINFO_EQUALITY_INLINE.
1032 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1033 Zdenek Dvorak <dvorakz@suse.cz>
1035 PR tree-optimization/29680
1036 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1039 2006-11-12 Jason Merrill <jason@redhat.com>
1040 Andrew Pinski <pinskia@physics.uc.edu>
1043 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1045 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1047 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1048 * tree.c (build_vector): Handle non-_CST elements.
1050 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1052 * genemit.c (gen_insn): Call gen_exp with a non-null used
1053 when handling multiple insns.
1054 (gen_expand): Likewise.
1055 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1056 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1057 (movsi_const_16bit+1): Copy operands[1].
1058 (call_pcrel): Copy the call_site pattern.
1059 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1061 2006-11-12 Roger Sayle <roger@eyesopen.com>
1063 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1064 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1065 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1066 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1068 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1070 Fix PR tree-optimization/29587
1071 * tree-ssa-structalias.c (process_constraint): Don't
1072 mark address taken due only to escaped vars constraint.
1074 2006-11-12 Michael Matz <matz@suse.de>
1075 Roger Sayle <roger@eyesopen.com>
1077 PR rtl-optimization/29797
1078 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1079 BITS_BIG_ENDIAN targets.
1081 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1083 * builtins.c (fold_builtin_cosh): New.
1084 (fold_builtin_1): Use it.
1085 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1086 trunc to the list of "odd" functions. Also add llrint, lrint,
1087 rint and nearbyint when flag_rounding_math is false.
1089 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1091 * tree-flow.h (name_mappings_registered_p): Declare.
1092 * tree-into-ssa.c (name_mappings_registered_p): New function.
1093 * tree-cfg.c (tree_can_merge_blocks_p): Check
1094 name_mappings_registered_p instead of need_ssa_update_p.
1096 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1098 * tree-ssa-loop.c (tree_vectorize): Return the result of
1100 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1101 if anything changed.
1102 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1103 * tree-flow.h (vectorize_loops): Declaration changed.
1105 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1107 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1109 (issue_prefetch_ref): Move assignment to write_p out of loop.
1110 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1111 SIMULTANEOUS_PREFETCHES into account.
1112 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1113 * lambda-code.c (lcm): Renamed to ...
1114 (least_common_multiple): ... and exported.
1115 * tree-flow.h (least_common_multiple): Declare.
1117 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1119 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1120 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1121 ud-chains. Handle AND_EXPR.
1122 (record_estimate): Record whether the estimate is realistic
1123 and whether it is derived from a loop exit.
1124 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1125 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1127 (compute_estimated_nb_iterations): Take only realistic bounds into
1128 account. Set estimate_state. Use double_ints.
1129 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1130 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1131 that do not have to be always executed.
1132 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1133 to determine whether to call infer_loop_bounds_from_undefined
1134 and compute_estimated_nb_iterations.
1135 (n_of_executions_at_most): Use double_ints.
1136 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1137 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1138 * double-int.c (double_int_to_tree): Improve comment.
1139 (double_int_fits_to_tree_p): New function.
1140 * double-int.h (double_int_fits_to_tree_p): Declare.
1141 * tree-data-ref.c: Include langhooks.h.
1142 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1143 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1144 (analyze_array): Do not pass estimate_only argument to
1145 analyze_array_indexes.
1146 (get_number_of_iters_for_loop): Build tree from the stored double_int
1148 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1149 (find_data_references_in_loop): Use find_data_references_in_stmt.
1150 * tree-data-ref.h (struct data_ref_loc_d): New.
1151 (get_references_in_stmt): Declare.
1152 (estimate_iters_using_array): Declaration removed.
1153 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1154 double_int. Improve comments. Add is_exit and realistic
1156 (struct loop): Changed type of estimated_nb_iterations to double_int.
1157 Added estimate_state field.
1158 (record_estimate): Declaration removed.
1160 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1162 * params.c (set_param_value): Initialize the "set" field.
1163 * params.h (struct param_info): Add "set" field.
1164 (PARAM_SET_P): New macro.
1165 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1166 L1_CACHE_LINE_SIZE): New macros.
1167 * toplev.c (DEFPARAM): Initialize the "set" field.
1168 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1169 SIMULTANEOUS_PREFETCHES): Removed.
1170 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1171 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1172 * config/sparc/sparc.c: Include params.h.
1173 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1174 L1_CACHE_LINE_SIZE parameters.
1175 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1177 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1179 * config/i386/i386.c: Include params.h.
1180 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1181 (override_options): Set SIMULTANEOUS_PREFETCHES and
1182 L1_CACHE_LINE_SIZE parameters.
1183 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1184 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1185 L1_CACHE_LINE_SIZE parameters.
1186 * config/ia64/ia64.c (ia64_optimization_options): Set
1187 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1188 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1190 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1191 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1192 * doc/invoke.texi: Document new params.
1194 2006-11-12 Roger Sayle <roger@eyesopen.com>
1196 PR tree-optimization/13827
1197 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1200 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1202 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1203 update_single_exit_for_duplicated_loops): New functions.
1204 (duplicate_loop_to_header_edge): Use
1205 update_single_exit_for_duplicated_loops.
1206 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1207 functions only with ENABLE_CHECKING.
1209 2006-11-12 Andreas Schwab <schwab@suse.de>
1211 * except.c (sjlj_emit_function_enter): Remove unused variable.
1213 2006-11-11 Roger Sayle <roger@eyesopen.com>
1215 * fold-const.c (int_binop_types_match_p): New function.
1216 (size_binop): Relax constraint that both arguments must both have
1217 exactly the same sizetype type. Instead use int_binop_types_match_p.
1218 (size_diffop): Likewise.
1220 (make_range): Use build_int_cst instead of fold_convert.
1221 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1222 integer constants of the correct type.
1223 (fold_div_compare): Likewise.
1224 (fold_single_bit_test): Likewise.
1225 (fold_binary): Likewise.
1226 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1227 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1229 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1232 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1233 non null value if the struct memory access is in the 0th
1236 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1239 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1240 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1243 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1244 instead of builtin_define for bfin and BFIN.
1246 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1248 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1251 2006-11-11 Jan Hubicka <jh@suse.cz>
1253 * extended.texi (__builtin_expect): We no longer require second argument
1255 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1256 * builtins.c (expand_builtin_expect): Simplify.
1257 (expand_builtin_expect_jump): Kill.
1258 * final.c (final_scan_insn): Do not skip the removed notes.
1259 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1260 EXPECTED_VALUE): Remove.
1261 * dojump.c (do_jump): Do not care about __builtin_expect.
1262 * predict.c (expected_value_to_br_prob): Kill.
1263 * function.c (expand_function_end): Do not expand
1264 NOTE_INSN_REPEATED_LINE_NUMBER.
1265 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1266 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1267 * cfgexpand.c (add_reg_br_prob_note): Export.
1268 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1269 expected_value_to_br_prob.
1270 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1271 * rtl.h (add_reg_br_prob_note): Declare.
1273 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1277 2006-11-11 Jan Hubicka <jh@suse.cz>
1279 * predict.c (predict_loops): Kill RTL variant.
1281 2006-11-11 Jan Hubicka <jh@suse.cz>
1283 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1284 * modulo-sched.c (find_line_note): Remove.
1285 (loop_canon_p): Do not worry about line number notes.
1286 (sms_schedule): Likewise.
1287 * cse.c (cse_main): Likewise.
1288 * regmove.c (fixup_match_1): Likewise
1289 * function.c (emit_return_info_block): Likewise.
1290 (expand_function_end): Likewise.
1291 (thread_prologue_an_epilogue_insns): Likewise.
1292 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1294 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1295 emit_note_copy_after): Kill.
1296 (emit_note_copy): Do not worry about line numbers.
1297 * jump.c (purge_line_number_notes): Kill.
1298 (pass_purge_lineno_notes): Kill.
1299 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1301 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1302 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1303 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1304 * tree-pass.h (pass_purge_lineno_notes): Kill.
1305 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1306 rm_redundant_line_notes.
1307 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1308 rm_redundant_line_notes.
1309 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1310 * haifa-sched.c: Update comment about handling notes.
1311 (unlink_line_notes): Kill.
1312 (rm_line_notes): Kill.
1313 (save_line_notes): Simplify.
1314 (rm_redundant_line_notes): Kill.
1316 2006-11-11 Richard Guenther <rguenther@suse.de>
1318 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1319 Remove unused tree codes.
1320 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1321 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1322 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1323 * tree.c (stabilize_reference): Likewise.
1324 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1325 fold_unary): Likewise.
1326 * tree-gimple.c (is_gimple_cast): Likewise.
1327 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1328 * expr.c (expand_expr_real_1): Likewise.
1329 * tree-eh.c (tree_could_trap_p): Likewise.
1330 * gimplify.c (gimplify_expr): Likewise.
1331 * tree-inline.c (estimate_num_insns_1): Likewise.
1332 * tree-cfg.c (verify_expr): Likewise.
1334 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1336 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1337 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1338 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1340 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1343 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1344 constraints accept neither registers or memories.
1346 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1348 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1349 (NO_PROFILE_COUNTERS): Define as 1.
1351 2006-11-10 Roger Sayle <roger@eyesopen.com>
1353 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1354 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1356 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1358 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1360 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1362 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1363 (fold_builtin_hypot): Likewise.
1364 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1366 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1368 2006-11-10 Roger Sayle <roger@eyesopen.com>
1370 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1371 when attempting to build INTEGER_CSTs of non-integral types.
1372 * expmed.c (make_tree): Use the correct type, i.e. the inner
1373 type, when constructing the individual elements of a CONST_VECTOR.
1375 2006-11-10 Jan Hubicka <jh@suse.cz>
1377 * cse.c (cse_process_notes): Copy the propagated value.
1378 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1380 * gcse.c (try_replace_reg): Copy the replacement.
1381 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1382 (assign_386_stack_local): Always return copied memory expression
1383 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1386 2006-11-10 Jan Hubicka <jh@suse.cz>
1388 * final.c (final): Walk from first instruction.
1389 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1391 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1394 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1396 (umulv8hi3_highpart): Ditto.
1397 (vec_widen_smult_hi_v8hi): New expander.
1398 (vec_widen_smult_lo_v8hi): Ditto.
1400 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1403 * builtins.c (do_mpfr_arg3): New.
1404 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1406 2006-11-09 Eric Christopher <echristo@apple.com>
1411 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1412 * config.gcc (powerpc64-*-darwin*): New target.
1413 * config.host: Ditto.
1414 * config/rs6000/darwin64.h: New file.
1415 * config/rs6000/x-darwin64: Ditto.
1416 * config/rs6000/host-ppc64-darwin.c: Ditto.
1418 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1420 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1421 routines for integer division.
1423 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1425 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1427 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1430 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1432 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1434 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1435 simplify_subreg with BLKmode outer mode.
1437 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1439 * doc/invoke.texi: Minor formatting fixes in option lists.
1441 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1443 PR tree-optimization/29738
1444 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1445 (ccp_lattice_t): Remove UNKNOWN_VAL.
1446 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1447 Do not handle UNKNOWN_VAL.
1448 (get_default_value): Set initial value of virtual operands to
1450 (get_value): Always use get_default_value on uninitialized
1452 (set_value_varying, surely_varying_stmt_p): New functions.
1453 (set_lattice_value): Do not pass argument to get_value.
1454 Do not handle UNKNOWN_VAL.
1455 (likely_value): Follow the semantics described in the comment.
1456 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1457 phi nodes DONT_SIMULATE_AGAIN.
1458 (ccp_fold): Do not pass argument to get_value.
1459 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1462 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1464 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1465 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1467 2006-11-08 Roger Sayle <roger@eyesopen.com>
1469 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1470 test for inclusion rather than as a test for exclusion.
1471 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1472 the condition after calling fold_binary.
1473 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1474 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1475 * builtins.c (fold_builtin_isascii): Likewise.
1476 (fold_builtin_isdigit): Likewise.
1478 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1480 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1481 * configure: Regenerate.
1483 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1485 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1486 enum argument instead of bool.
1487 (vect_analyze_operations): Call vectorizable_type_promotion.
1488 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1489 stmt_vec_info_type value.
1490 (supportable_widening_operation, vectorizable_type_promotion): New
1491 function declarations.
1492 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1493 (vectorizable_type_promotion): New function.
1494 (vect_transform_stmt): Call vectorizable_type_promotion.
1495 * tree-vect-analyze.c (supportable_widening_operation): New function.
1496 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1498 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1501 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1502 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1503 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1505 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1506 * expr.c (expand_expr_real_1): Likewise.
1507 * optabs.c (optab_for_tree_code): Likewise.
1508 (init_optabs): Initialize new optabs.
1509 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1510 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1511 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1512 vec_unpacku_lo_optab): Initialize new optabs.
1513 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1514 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1515 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1517 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1518 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1519 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1520 (vec_unpacku_lo_optab): New optabs.
1521 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1522 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1523 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1524 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1525 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1526 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1528 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1529 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1530 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1531 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1532 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1533 implement the unsigned unpacking patterns.
1534 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1535 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1536 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1537 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1538 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1539 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1540 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1541 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1542 multiplication patterns.
1544 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1545 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1546 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1547 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1548 (rs6000_builtin_mul_widen_odd): New.
1549 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1550 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1551 * tree-vectorizer.h (enum vect_relevant): New enum type.
1552 (_stmt_vec_info): Field relevant chaned from bool to enum
1554 (STMT_VINFO_RELEVANT_P): Updated.
1555 (STMT_VINFO_RELEVANT): New.
1556 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1557 instead of STMT_VINFO_RELEVANT_P.
1558 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1559 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1560 and boolean variable with enum vect_relevant.
1561 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1562 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1563 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1565 2006-11-08 Richard Henderson <rth@redhat.com>
1567 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1568 vec_widen_umult_lo_v8hi): New.
1569 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1570 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1572 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1573 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1574 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1575 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1576 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1577 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1578 vec_unpacks_lo_v4si): New.
1580 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1582 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1583 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1584 (vect_analyze_operations): Call vectorizable_type_demotion.
1585 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1586 stmt_vec_info_type value.
1587 (vectorizable_type_demotion): New function declaration.
1588 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1591 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1592 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1594 * tree-iniline.c (estimate_num_insns_1): Likewise.
1595 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1596 * optabs.c (optab_for_tree_code): Likewise.
1598 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1599 compared against the predicate of the result is not 'mode' (the input
1600 to the function) but a mode with half the size of 'mode'.
1601 (init_optab): Initialize new optabs.
1602 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1604 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1606 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1607 (vec_pack_usat_optab): Initialize new optabs.
1608 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1609 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1611 2006-11-08 Richard Henderson <rth@redehat.com>
1613 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1614 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1615 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1616 (vec_interleave_highv4si, vec_interleave_lowv4si):
1617 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1619 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1621 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1623 (vect_transform_stmt): Removed redundant code.
1625 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1627 * tree-vect-transform.c (vectorizable_operation): Support multiple
1630 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1632 * tree-vect-transform.c (vect_align_data_ref): Removed.
1633 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1634 Updated function documentation. Return the increment stmt in ptr_incr.
1635 (bump_vector_ptr): New function.
1636 (vect_get_vec_def_for_stmt_copy): New function.
1637 (vect_finish_stmt_generation): Create a stmt_info to newly created
1639 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1641 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1642 VF is greater than the number of elements that can fit in one vector
1644 (vectorizable_operation, vectorizable_condition): Likewise.
1645 (vectorizable_store, vectorizable_load): Support the case that the VF
1646 is greater than the number of elements that can fit in one vector word.
1647 (vect_transform_loop): Don't fail in case of multiple data-types.
1648 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1649 in case of multiple data-types; the smallest type determines the VF.
1650 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1651 if they are of different sizes.
1652 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1653 number of elements rather than number of bytes.
1654 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1655 (vect_can_advance_ivs_p): Fix a dump printout
1657 2006-11-07 Eric Christopher <echristo@apple.com>
1659 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1660 (__bswapsi2): Ditto.
1661 * libgcc2.h: Remove transformation of bswap routines.
1662 * config/i386/i386.md (bswapsi2): New.
1665 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1667 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1668 (handle_gnu_inline_attribute): New function.
1669 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1670 (merge_decls, start_decl, start_function): Likewise.
1671 * doc/extend.texi: Document gnu_inline attribute.
1673 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1676 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1677 _fixunstfdi, and _floatditf
1679 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1681 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1683 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1684 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1685 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1686 which start in an odd register.
1688 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1690 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1692 2006-11-07 Josh Conner <jconner@apple.com>
1694 * doc/invoke.texi (fstrict-aliasing): Move implementation
1696 * doc/tree-ssa.texi (Alias analysis): ...here.
1698 2006-11-07 Richard Guenther <rguenther@suse.de>
1700 PR tree-optimization/29610
1701 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1702 of tree_purge_dead_eh_edges as it may free dominators.
1704 * g++.dg/other/pr29610.C: New testcase.
1706 2006-11-07 David Ung <davidu@mips.com>
1708 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1709 costs when optimizing for size.
1710 (override_options): Use mips_rtx_cost_optimize_size table for cost
1713 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1715 * gcc.c (process_command): Treat -b as normal switch if its argument
1718 2006-11-07 David Ung <davidu@mips.com>
1720 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1723 2006-11-06 Eric Christopher <echristo@apple.com>
1725 * config.gcc: Add x86_64-darwin host support.
1726 * config.host: Ditto.
1727 * config/i386/darwin64.h: New file.
1728 * config/i386/t-darwin64: Ditto.
1730 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1732 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1733 and output-exists-not.
1735 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1738 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1739 checking for overflow.
1741 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1743 * configure.ac: Fixed typo in case statement: :: changed to ;;
1745 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1747 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1748 count_leading_zeros, and count_trailing_zeros.
1749 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1750 (TARGET_FOLD_BUILTIN): Define.
1751 (TARGET_EXPAND_BUILTIN): Define.
1752 (xtensa_init_builtins): New.
1753 (xtensa_fold_builtin): New.
1754 (xtensa_expand_builtin): New.
1755 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1756 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1757 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1758 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1759 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1760 (any_extend): New code macro.
1761 (u, su): New code attributes.
1762 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1763 (nsau): Remove; replaced by clzsi2.
1764 (ffssi2): Use clzsi2.
1765 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1766 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1767 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1768 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1769 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1771 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1773 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1775 * config/arm/t-strongarm-elf: Likewise.
1776 * config/arm/t-pe: Likewise.
1777 * config/arm/t-arm-elf: Likewise.
1778 * config/arm/t-xscale-elf: Likewise.
1779 * config/arm/t-arm-coff: Likewise.
1780 * config/arm/t-xscale-coff: Likewise.
1781 * config/arm/t-wince-pe: Likewise.
1783 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1785 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1788 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1791 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1794 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1797 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1798 as a valid 80387 constant.
1799 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1800 * config/i386/i386.md (unnamed splitter): Split the load of
1801 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1804 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1806 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1807 from the soft-frame, argument and virtual registers.
1809 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1811 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1812 patterns for standard 80387 constants.
1814 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1815 Steven Bosscher <steven@gcc.gnu.org>
1817 * fwprop.c: New file.
1818 * Makefile.in: Add fwprop.o.
1819 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1820 * passes.c (init_optimization_passes): Schedule forward propagation.
1821 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1823 * timevar.def (TV_FWPROP): New.
1824 * common.opt (-fforward-propagate): New.
1825 * opts.c (decode_options): Enable forward propagation at -O2.
1826 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1827 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1828 canon_for_address, table_size): Remove.
1829 (new_basic_block, insert, remove_from_table): Remove references to
1831 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1832 simplification loop more straightforward by not calling fold_rtx
1834 (equiv_constant): Move here a small part of fold_rtx_subreg,
1835 do not call fold_rtx. Call avoid_constant_pool_reference
1837 * recog.h (canonicalize_change_group): New.
1839 * doc/invoke.texi (Optimization Options): Document fwprop.
1840 * doc/passes.texi (RTL passes): Document fwprop.
1842 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1844 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1845 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1846 (grokdeclarator): Likewise.
1848 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1850 * tree-dump.c (dump_enable_all): Rename local variable
1851 ir_type to avoid name conflicts.
1852 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1853 instead of using ir_type().
1854 * profile.c (tree_register_profile_hooks): Likewise.
1855 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1856 * basic-block.h (struct edge_def): Likewise.
1857 * config/arm/arm.c (legitimize_pic_address): Likewise.
1858 * coretypes.h (ir_type): New enum of all intermediate languages
1860 * cfghooks.c (ir_type): Rename to...
1861 (current_ir_type): ...this. Distinguish between cfgrtl and
1862 cfglayout mode when the current IR is RTL. Return enum ir_type.
1863 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1865 2006-11-03 Paul Brook <paul@codesourcery.com>
1867 * config/arm/arm.c (arm_file_start): New function.
1868 (TARGET_ASM_FILE_START): Define.
1869 (arm_default_cpu): New variable.
1870 (arm_override_options): Set arm_default_cpu.
1872 2006-11-03 David Ung <davidu@mips.com>
1874 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1875 PROCESSOR_24KC and PROCESSOR_24KF.
1876 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1877 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1878 (mips_rtx_cost_data): Add costs for the 24kc.
1879 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1880 * config/mips/24k.md: Remove references to 24k and replace with
1881 uses of 24kc/24kf in the appropriate reservations.
1882 * doc/invoke.texi (MIPS Options): Updated.
1884 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1886 * config/sh/crt1.asm: Fix #ifdef indent.
1888 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1889 Merged from STMicroelectronics sources:
1890 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1891 * config/sh/crt1.asm (vbr_600): Add missing #if.
1892 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1893 * sh.opt (mfused-madd): New option.
1894 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1895 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1896 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1897 Remove pointless handler at VBR+0.
1898 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1899 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1900 fr7. Make sure the timer handler is called with the correct FPU
1901 precision setting, according to the ABI.
1902 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1903 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1904 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1905 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1906 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1907 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1908 zero as second operand.
1909 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1910 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1911 Fixed some bugs related to negative values, in particular -0
1912 and overflow at -0x80000000.
1913 * config/sh/divcost-analysis: Added sh4-300 figures.
1914 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1915 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1916 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1917 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1918 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1919 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1921 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1923 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1924 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1925 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1926 mac_mem, mem_mac, dfp_mul, fp_cmp.
1927 (insn_class, dfp_comp, any_fp_comp): Update.
1928 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1929 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1930 (muldf3_i): Likewise.
1931 (movsi_i): Split rI08 alternative into two separate alternatives.
1933 (movsi_ie, movsi_i_lowpart): Likewise.
1934 (movqi_i): Split ri alternative into two separate alternatives.
1936 * sh1.md (sh1_load_store, sh1_fp): Update.
1937 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1938 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1939 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1940 (sh4a_fp_double_arith): Likewise.
1941 * sh4-300.md: New file.
1942 * sh.c (sh_handle_option): Handle m4-300* options.
1943 (sh_adjust_cost): Fix latency of auto-increments.
1944 Handle SH4-300 differently than other SH4s. Check for new insn types.
1945 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1946 been set by an option.
1947 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1948 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1949 (mbranch-cost=): Likewise.
1950 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1952 * sh.md (mulsf3): Remove special expansion code.
1953 (mulsf3_ie): Now a define_insn_and_split.
1954 (macsf3): Allow for TARGET_SH4.
1956 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1957 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1958 (expand_cbranchdi4): Likewise.
1959 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1960 CONST_DOUBLE if the outer code is COMPARE.
1961 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1962 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1963 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1964 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1965 Remove redundant fp_{zero,one}_operand checks.
1966 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1967 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1968 (expand_cbranchdi4): Likewise.
1969 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1970 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1972 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1974 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1977 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1979 * doc/invoke.texi: Fix mfp-trap-mode typo.
1981 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1983 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1984 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1985 file_end_indicate_exec_stack.
1986 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1988 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1989 for a non-executable stack.
1990 * crti.asm: Likewise.
1991 * crtn.asm: Likewise.
1992 * libunwind.S: Likewise.
1994 2006-11-02 Ben Elliston <bje@au.ibm.com>
1996 * tree-ssa.c (warn_uninit): Use expand_location variables for
1997 locus and declaration locus.
1999 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2002 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2003 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2004 cmp{eq,gt,gtu}{si,di}_media.
2005 (*cmpne0si_media): Remove.
2006 (*movsicc_umin): Adjust gen_cmp*_media call.
2007 (unordered): Change the mode of unordered and operands[1] to
2009 (seq): Adjust gen_cmp*_media calls. Make the mode of
2010 a temporary result of compare SImode if needed. If the mode
2011 of operands[0] is DImode, extend the temporary result to DImode.
2012 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2013 (sunorderd): Change the mode of match_operand and unorderd to
2015 (cmpeq{sf,df}_media): Remove.
2016 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2017 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2018 and compare operation to SImode.
2020 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2022 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2024 (sparc64-sun-solaris2*): Likewise.
2026 2006-11-02 Paul Brook <paul@codesourcery.com>
2028 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2029 from priority argument. Use different section for non-default
2031 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2033 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2036 * except.c (switch_to_exception_section): Do not cache the section
2037 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2038 and flag_function_sections is set.
2040 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2043 * builtins.c (do_mpfr_sincos): New.
2044 (fold_builtin_1): Use it to fold builtin sincos.
2046 2006-11-01 Roger Sayle <roger@eyesopen.com>
2048 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2049 it into -D_REENTRANT.
2051 2006-11-01 Roger Sayle <roger@eyesopen.com>
2053 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2054 whether the assembler supports taking the difference of symbols in
2055 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2056 * configure: Regenerate.
2057 * config.in: Regenerate.
2058 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2059 the assembler doesn't support taking the difference of symbols in
2060 different sections, i.e. we're using the native solaris assembler.
2062 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2063 Peter Bergner <bergner@vnet.ibm.com>
2065 * doc/invoke.texi: Add cpu_type power6x
2066 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2067 * config.gcc: Add cpu_type power6x.
2068 * configure.ac: Add test for mf{t,f}gpr instructions.
2069 (HAVE_AS_MFPGPR): New.
2070 * config.in: Regenerate.
2071 * configure: Regenerate.
2072 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2073 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2074 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2075 and mftgpr attributes.
2076 (define_attr "cpu"): Add power6.
2077 Change instruction sequences to use new attributes.
2078 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2079 (fix_truncdfsi2_mfpgpr): New.
2080 (floatsidf_ppc64_mfpgpr): New.
2081 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2082 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2083 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2084 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2085 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2086 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2087 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2088 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2089 cntlz,exts and var_delayed_compare.
2090 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2091 _ARCH_PWR6X, if features enabled.
2092 * config/rs6000/rs6000.opt (mmfpgpr): New.
2093 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2094 (cached_can_issue_more): New variable.
2095 (processor_costs): Add power6_cost.
2096 (rs6000_sched_init): New function.
2097 (is_dispatch_slot_restricted): Deleted.
2098 (set_to_load_agen): New function.
2099 (is_load_insn,is_store_insn): New functions.
2100 (adjacent_mem_locations): New function.
2101 (insn_must_be_first_in_group): New function.
2102 (insn_must_be_last_in_group): New function.
2103 (rs6000_sched_reorder): New function.
2104 (rs6000_sched_reorder2): New function.
2105 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2106 TARGET_SCHED_REORDER2): Define.
2107 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2108 Add power6x. Add MASK_MFPGPR for power6x.
2109 (POWERPC_MASKS): Add MASK_MFPGPR.
2110 (rs6000_override_options): Set rs6000_always_hint to false
2111 for power6. Set rs6000_align_branch_targets. Replace
2112 rs6000_sched_groups check with rs6000_align_branch_targets.
2113 Use PROCESSOR_POWER6.
2114 (last_scheduled_insn): New variable.
2115 (load_store_pendulum): New variable.
2116 (rs6000_variable_issue): Set last_scheduled_insn and
2117 cached_can_issue_more.
2118 (rs6000_adjust_cost): Add power6 cost adjustments.
2119 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2120 with insn_must_be_first_in_group. Add power6 priority adjustments.
2121 (rs6000_issue_rate): Add CPU_POWER6.
2122 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2123 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2124 (TARGET_MFPGPR): New.
2125 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2126 (ASM_CPU_SPEC): Add power6x.
2127 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2129 * config/rs6000/power6.md: New file.
2131 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2133 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2134 HOST_WIDE_INT_PRINT to print high and low parts. Use
2135 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2136 printing a hexadecimal number prefix it with 0x.
2138 2006-11-01 Chris Johns <chris@contemporary.net.au>
2141 * Makefile.in (install-driver): Use exeext when installing
2142 $target-gcc-$version.
2144 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2146 * c-common.c (flag_cpp0x): New.
2147 * c-common.h (flag_cpp0x): New.
2148 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2149 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2150 * c-opts.c (set_std_cxx0x): New.
2151 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2152 * c.opt (std=c++0x): Document.
2153 (std=gnu++0x): Ditto.
2154 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2155 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2157 2006-11-01 Richard Guenther <rguenther@suse.de>
2159 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2161 (ix86_expand_floorceildf_32): Likewise.
2162 (ix86_expand_floorceil): Likewise.
2163 (ix86_expand_trunc): Likewise.
2165 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2167 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2170 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2172 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2174 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2176 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2178 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2179 * configure.ac (use_cxa_atexit): As a special case, don't test
2180 for libc definition of __cxa_atexit on mingw32
2181 * configure: Regenerate.
2182 * config.gcc (i[34567]86-pc-mingw32): Default to
2183 enable__cxa_atexit=yes.
2185 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2187 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2189 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2192 * c-decl.c (start_struct): Don't create self-containing
2194 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2196 * config/rs6000/rs6000-protos.h
2197 (darwin_rs6000_special_round_type_align): New.
2198 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2199 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2201 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2203 * toplev.c (compile_file): Call final_write_globals
2204 even if there have been errors.
2206 2006-10-31 Eric Christopher <echristo@apple.com>
2207 Falk Hueffner <falk@debian.org>
2209 * doc/extend.texi (__builtin_bswap32): Document.
2210 (__builtin_bswap64): Ditto.
2211 * doc/libgcc.texi (bswapsi2): Document.
2213 * doc/rtl.texi (bswap): Document.
2214 * optabs.c (expand_unop): Don't widen a bswap.
2215 (init_optabs): Init bswap. Set libfuncs explicitly
2216 for bswapsi2 and bswapdi2.
2217 * optabs.h (OTI_bswap): New.
2218 (bswap_optab): Ditto.
2219 * genopinit.c (optabs): Handle bswap_optab.
2220 * tree.h (tree_index): Add TI_UINT32_TYPE and
2222 (uint32_type_node): New.
2223 (uint64_type_node): Ditto.
2224 * tree.c (build_common_tree_nodes_2): Initialize
2225 uint32_type_node and uint64_type_node.
2226 * builtins.c (expand_builtin_bswap): New.
2227 (expand_builtin): Call.
2228 (fold_builtin_bswap): New.
2229 (fold_builtin_1): Call.
2230 * fold-const.c (tree_expr_nonnegative_p): Return true
2232 * builtin-types.def (BT_UINT32): New.
2234 (BT_FN_UINT32_UINT32): Ditto.
2235 (BT_FN_UINT64_UINT64): Ditto.
2236 * builtins.def (BUILT_IN_BSWAP32): New.
2237 (BUILT_IN_BSWAP64): Ditto.
2238 * rtl.def (BSWAP): New.
2239 * genattrtab.c (check_attr_value): New.
2240 * libgcc2.c (__bswapSI2): New.
2241 (__bswapDI2): Ditto.
2242 * libgcc2.h (__bswapSI2): Declare.
2243 (__bswapDI2): Ditto.
2244 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2245 * simplify-rtx.c (simplify_const_unary_operation): Return
2247 * libgcc-std.ver (__bwapsi2): Add.
2248 (__bswapdi2): Ditto.
2249 * reload1.c (eliminate_regs_1): Add bswap.
2250 (elimination_effects): Ditto.
2251 * config/i386/i386.h (x86_bswap): New.
2252 (TARGET_BSWAP): Use.
2253 * config/i386/i386.c (x86_bswap): Set.
2255 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2257 * coverage.c (coverage_checksum_string): Update comment.
2258 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2259 of get_file_function_name.
2260 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2261 of get_file_function_name_long.
2262 * tree.c (get_file_function_name): Rename from
2263 get_file_function_name_long; improve comment; handle 'I' and 'D'
2264 specially when the target has ctor/dtor support; remove special
2266 (get_file_function_name): Remove.
2267 * tree.h (get_file_function_name): Rename from
2268 get_file_function_name_long.
2269 (get_file_function_name): Remove prototype.
2271 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2273 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2274 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2276 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2277 Call dsymutil when compiling and linking one or more source files
2280 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2283 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2285 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2287 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2288 inline static functions in c99 mode.
2291 * doc/extend.texi (Inline): Update.
2292 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2293 * c-decl.c (current_extern_inline): Delete.
2294 (pop_scope): Adjust test for an undefined nested function.
2295 Add warning about undeclared inline function.
2296 (diagnose_mismatched_decls): Update comments. Disallow overriding
2297 of inline functions in a translation unit in C99. Allow inline
2298 declarations in C99 at any time.
2299 (merge_decls): Boolize variables. Handle C99 'extern inline'
2301 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2302 C99 inline semantics.
2303 (start_function): Don't clear current_extern_inline. Don't set
2305 (c_push_function_context): Don't push current_extern_inline.
2306 (c_pop_function_context): Don't restore current_extern_inline.
2309 * c-typeck.c (build_external_ref): Warn about static variables
2310 used in extern inline functions.
2311 * c-decl.c (start_decl): Warn about static variables declared
2312 in extern inline functions.
2314 2006-10-31 Roger Sayle <roger@eyesopen.com>
2317 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2318 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2319 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2320 or y is an even integer.
2322 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2325 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2326 * gthr-posix95.h (__gthread_active_p): Likewise.
2328 2006-10-31 Richard Guenther <rguenther@suse.de>
2330 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2331 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2332 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2333 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2334 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2335 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2336 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2337 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2340 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2342 * opts.c (decode_options): Disable CSE skip blocks.
2344 2006-10-30 Dirk Mueller <dmueller@suse.de>
2346 * c-common.h (strict_aliasing_warning): Fix whitespace.
2347 * c-decl (start_function): Move code for main decl warning ..
2348 * c-common.c (check_main_parameter_types): .. here.
2349 * c-common.h (check_main_parameter_types): Declare.
2351 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2354 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2356 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2358 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2359 be a PARALLEL containing sets. Return false when out_pat is not
2362 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2364 * config/mips/mips.md (mul<mode>3): Split into...
2365 (mulsi3, muldi3): ...these separate patterns.
2367 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2369 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2370 but with each set of options separated by spaces.
2372 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2374 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2375 dwarf_reg_size_table has been initialized.
2377 2006-10-30 Roger Sayle <roger@eyesopen.com>
2379 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2380 * ddg.c (print_ddg_edge): Likewise.
2381 * dwarf2out.c (prune_unused_types_walk): Likewise.
2382 * ifcvt.c (noce_try_cmove_arith): Likewise.
2383 * langhooks.c (add_builtin_function): Likewise.
2384 * reg-stack.c (subst_stack_regs_pat): Likewise.
2385 * tree.c (expanded_location): Likewise.
2386 * tree-dump.c (dequeue_and_dump): Likewise.
2388 2006-10-30 David Daney <ddaney@avtrex.com>
2390 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2392 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2394 PR tree-optimization/29637
2395 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2396 of the innertype is the innertype itself.
2398 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2400 * dwarf2out.c (file_name_acquire): Correct typo.
2402 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2404 * tree.h (tree_value_handle): Remove struct value_set declaration.
2405 Change value_set to bitmap_set.
2406 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2407 * tree-vn.c (get_value_handle): Made inline and moved to
2409 * tree-flow-inline.h: (has_stmt_ann): New function.
2410 * tree-ssa-pre.c (expressions): New variable.
2411 (next_expression_id): Ditto.
2412 (alloc_expression_id): New function.
2413 (struct value_set): Remove.
2414 (get_expression_id): New function.
2415 (get_or_alloc_expression_id): Ditto.
2416 (expression_for_id): Ditto.
2417 (clear_expression_ids): Ditto.
2418 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2419 (bb_value_sets): Renamed to bb_bitmap_sets.
2420 All value sets replaced with bitmap_sets.
2422 (BB_VISITED): New macro.
2423 (postorder): New variable.
2424 (add_to_value): Removed.
2425 (value_exists_in_set_bitmap): Ditto.
2426 (value_insert_into_set_bitmap): Ditto.
2429 (set_remove): Ditto.
2430 (set_contains_value): Ditto.
2431 (insert_into_set): Ditto.
2433 (find_leader): Ditto.
2434 (bitmap_set_subtract_from_value_set): Ditto.
2435 (value_insert_into_set): Ditto.
2436 (print_value_set): Ditto.
2437 (debug_value_set): Ditto.
2438 (constant_expr_p): New function.
2439 (bitmap_remove_from_set): Ditto.
2440 (bitmap_insert_into_set): Ditto.
2441 (bitmap_set_free): Ditto.
2442 (vh_compare): Ditto.
2443 (sorted_array_from_bitmap_set): Ditto.
2444 (bitmap_set_subtract): Ditto.
2445 (bitmap_set_equal): Ditto.
2446 (debug_bitmap_set): Ditto.
2447 (find_leader_in_sets): Ditto.
2448 (bitmap_set_replace_value): Modify for bitmapped sets.
2449 (phi_translate): Ditto.
2450 (phi_translate_set): Ditto.
2451 (bitmap_find_leader): Ditto.
2452 (valid_in_sets): Ditto.
2453 (union_contains_value): Ditto.
2455 (compute_antic_aux): Ditto. Mark changed blocks.
2456 (compute_antic): Ditto. Iterate in postorder and only over
2458 (compute_rvuse_and_antic_safe): Reuse postorder.
2459 (create_component_ref_by_pieces): Modify for bitmapped sets.
2460 (find_or_generate_expression): Ditto.
2461 (create_expression_by_pieces): Ditto.
2462 (insert_into_preds_of_block): Ditto.
2463 (changed_blocks): New variable.
2464 (do_regular_insertion): Broken out from insert_aux.
2465 (insert_aux): Modified for bitmapped sets.
2466 (find_existing_value_expr): New function.
2467 (create_value_expr_from): Use it.
2468 (insert_extra_phis): Removed.
2469 (print_bitmap_set): Renamed from bitmap_print_value_set.
2470 (compute_avail): Handle RETURN_EXPR.
2471 (init_pre): Modify for bitmapped sets.
2472 * tree-flow.h (has_stmt_ann): New function.
2474 2006-10-29 Roger Sayle <roger@eyesopen.com>
2476 * builtins.c (fold_builtin_floor): Check for the availability of
2477 the C99 trunc function before transforming floor into trunc.
2479 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2481 * builtins.c (fold_builtin_hypot): Rearrange recursive
2482 transformation before others, and also do ABS_EXPR. When
2483 necessary, check flag_unsafe_math_optimizations. When necessary,
2486 2006-10-29 Roger Sayle <roger@eyesopen.com>
2488 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2489 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2490 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2491 Fold -X eq/ne -Y as X eq/ne Y.
2493 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2495 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2496 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2497 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2498 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2499 Use an inclusive test for "mult" rather than "mul".
2500 (rotr<mode>3): Depend on ISA_HAS_ROR.
2501 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2503 (GENERATE_MULT3_DI): Delete.
2504 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2505 (ISA_HAS_MUL3): New macro.
2506 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2507 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2508 (ISA_HAS_CLZ_CLO): Likewise.
2509 (ISA_HAS_DCLZ_DCLO): Delete.
2510 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2511 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2512 the VR4120 and VR4130.
2513 (ISA_HAS_MACCHI): Use consistent formatting.
2514 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2515 (ISA_HAS_ROR): ...this new macro.
2516 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2517 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2518 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2520 2006-10-29 Roger Sayle <roger@eyesopen.com>
2522 PR tree-optimization/15458
2523 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2526 2006-10-29 Richard Guenther <rguenther@suse.de>
2528 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2529 (ix86_expand_truncdf_32): Likewise.
2530 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2531 trunc inline for SSE math and -fno-trapping-math and if not
2532 optimizing for size.
2533 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2534 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2535 for expanding btrunc inline for SSE math.
2537 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2539 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2540 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2541 i[34567]86-*-solaris2.1[0-9]*.
2542 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2543 Define conditionally depending on TARGET_64BIT_DEFAULT.
2544 (SPEC_32, SPEC_64): Define.
2545 (LINK_SPEC): Use them.
2546 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2548 2006-10-29 Richard Guenther <rguenther@suse.de>
2550 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2551 (ix86_expand_rounddf_32): Likewise.
2552 * config/i386/i386.c (ix86_expand_round): New function expanding
2553 round inline for SSE math and -fno-trapping-math and if not
2554 optimizing for size.
2555 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2556 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2557 round via ix86_expand_round.
2559 2006-10-29 Richard Guenther <rguenther@suse.de>
2561 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2562 (ix86_expand_floorceildf_32): Likewise.
2563 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2564 static helper function.
2565 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2567 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2568 * config/i386/i386.md (floordf2): Adjust to enable floor
2569 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2570 -fno-trapping-math is enabled and if not optimizing for size.
2571 (floorsf2, ceildf2, ceilsf2): Likewise.
2572 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2573 (sse2_maskcmpdf3): Likewise.
2575 2006-10-29 Richard Guenther <rguenther@suse.de>
2577 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2578 rint in case -fno-trapping-math is enabled.
2579 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2580 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2581 (ix86_expand_sse_fabs): Likewise.
2582 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2583 * config/i386/i386.md (rintdf2): Enable for SSE math if
2584 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2585 (rintsf2): Likewise.
2587 2006-10-29 Richard Guenther <rguenther@suse.de>
2589 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2590 to conversion optabs.
2591 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2592 as conversion optab.
2593 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2594 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2595 (lfloor_optab, lceil_optab): Adjust defines.
2596 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2597 lfloor and lceil optabs now being conversion optabs.
2598 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2599 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2600 New static helper function.
2601 (ix86_expand_lfloorceil): New function to expand lfloor and
2603 * config/i386/i386.md (lfloor<mode>2): Split into ...
2604 (lfloorxf<mode>2): ... x87 variant
2605 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2606 using ix86_expand_lfloorceil.
2607 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2609 * doc/md.texi (lfloorMN, lceilMN): Document.
2611 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2613 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2614 -mno-shared assembler option on mips targets.
2615 * configure, config.in: Regenerate.
2616 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2617 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2618 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2620 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2622 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2623 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2625 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2627 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2628 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2631 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2634 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2635 (fold_builtin_pow): Evaluate constant arguments at compile-time
2637 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2638 (do_mpfr_ckconv): New helper function.
2639 (do_mpfr_arg1): Use do_mpfr_ckconv.
2640 (do_mpfr_arg2): New.
2642 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2645 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2646 (-fdump-rtl-sched): Rename to ..
2647 (-fdump-rtl-sched1): here. Also fix file extension number.
2649 2006-10-28 Richard Guenther <rguenther@suse.de>
2651 * fold-const.c (maybe_canonicalize_comparison): Fix code
2654 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2656 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2657 (NON_QI_REG_P): Use IN_RANGE.
2658 (REX_INT_REGNO_P): Use IN_RANGE.
2659 (FP_REGNO_P): Use IN_RANGE.
2660 (SSE_REGNO_P): Use IN_RANGE.
2661 (REX_SSE_REGNO_P): Use IN_RANGE.
2662 (MMX_REGNO_P): Use IN_RANGE.
2663 (STACK_REGNO_P): New macro.
2664 (STACK_REG_P): Use STACK_REGNO_P.
2665 (NON_STACK_REG_P): Use STACK_REGNO_P.
2666 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2667 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2668 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2669 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2670 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2672 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2674 * except.h (output_function_exception_table): Add 'const char*' param.
2675 * except.c (switch_to_exception_section): Add 'const char*' param.
2676 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2677 and flag_function_sections is set, use a function-specific section.
2678 (output_function_exception_table): Add 'const char*' param.
2679 Adjust call to switch_to_exception_section.
2680 * final.c (rest_of_handle_final): Adjust calls to
2681 output_function_exception_table.
2682 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2683 * config.in: Regenerate.
2684 * configure: Likewise.
2686 2006-10-28 Richard Guenther <rguenther@suse.de>
2689 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2690 for maybe_canonicalize_comparison.
2691 (maybe_canonicalize_comparison): New function for canonicalizing
2693 (fold_comparison): Call it to canonicalize comparisons with
2696 2006-10-28 Richard Guenther <rguenther@suse.de>
2699 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2700 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2701 (expand_builtin): Adjust likewise.
2702 * genopinit.c (optabs[]): Add lround optab.
2703 * optabs.c (init_optabs): Initialize lround_optab.
2704 * optabs.h (enum convert_optab_index): Add COI_lround.
2705 (lround_optab): Define.
2706 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2707 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2709 (ix86_expand_lround): New function.
2710 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2712 * doc/md.texi (lroundMN2): Document.
2714 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2717 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2718 argument to HOST_WIDE_INT. Update function prototype.
2719 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2720 "size" argument to HOST_WIDE_INT. Update function prototype.
2722 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2724 * config/i386/i386.c (output_387_ffreep): Create output from a
2725 template string for !HAVE_AS_IX86_FFREEP.
2727 2006-10-27 Eric Christopher <echristo@apple.com>
2729 * config/darwin.c: Fix formatting and grammar.
2731 2006-10-27 Jan Hubicka <jh@suse.cz>
2733 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2734 to be thrown away soon when IGNORE is set.
2735 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2736 indicating when return value shall not be computed.
2737 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2739 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2741 * config/i386/i386.h (TARGET_GEODE):
2742 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2743 (TARGET_CPU_DEFAULT_geode): New macro.
2744 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2745 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2746 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2747 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2748 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2750 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2751 (processor_type): Add PROCESSOR_GEODE.
2753 * config/i386/i386.md: Include geode.md.
2756 * config/i386/i386.c (geode_cost): New initialized global
2758 (m_GEODE, m_K6_GEODE): New macros.
2759 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2760 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2761 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2762 x86_schedule): Use m_K6_GEODE instead of m_K6.
2763 (x86_movx, x86_cmove): Set up m_GEODE.
2764 (x86_integer_DFmode_moves): Clear m_GEODE.
2765 (processor_target_table): Add entry for geode.
2766 (processor_alias_table): Ditto.
2768 * config/i386/geode.md: New file.
2770 * doc/invoke.texi: Add entry about geode processor.
2772 2006-10-27 Mike Stump <mrs@apple.com>
2774 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2775 __DYNAMIC__ from here back to ...
2776 * config/darwin.h (CPP_SPEC): ... here.
2778 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2779 Nathan Sidwell <nathan@codesourcery.com>
2781 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2782 when choosing the minimum heapsize.
2784 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2786 * gcc/unwind-dw2.h: Move cfa-related variables into
2787 struct frame_state_reg_info to ensure that the CFA is properly
2788 handled when executing DW_CFA_{remember,restore}_state.
2789 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2790 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2791 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2792 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2793 gcc/config/rs6000/linux-unwind.h,
2794 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2795 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2796 Modify to use new cfa_* fields.
2798 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2800 * config/s390/s390.c (s390_init_frame_layout): Check positive
2803 2006-10-26 Ben Elliston <bje@au.ibm.com>
2805 * gimplify.c (get_name): Remove extraneous break.
2806 (gimplify_omp_for): Initialise ret with GS_OK.
2808 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2810 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2811 Add unix98.o to link line.
2813 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2816 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2817 Calculate compile-time constants using MPFR.
2818 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2819 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2821 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2823 * config/xtensa/lib2funcs.S: Use C-style comments.
2825 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2827 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2828 (file_table_relative_p): Likewise.
2829 (dwarf2out_finish): Likewise.
2830 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2832 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2834 * tree-ssa-structalias.c (intra_create_variable_infos):
2835 Don't recreate nonlocal_all if it already exists.
2837 2006-10-25 Richard Guenther <rguenther@suse.de>
2840 * optabs.h (enum optab_index): Remove OTI_lrint.
2841 (enum convert_optab_index): Add COI_lrint.
2842 (lrint_optab): Adjust.
2843 (expand_sfix_optab): Declare.
2844 * optabs.c (expand_sfix_optab): New function.
2845 (init_optabs): Init lrint_optab as conversion optab.
2846 * genopinit.c (lrint_optab): Change to a conversion optab.
2847 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2848 expansion via conversion optab.
2849 * config/i386/i386.md (*fistdi2_1): Remove
2850 flag_unsafe_math_optimizations guard.
2851 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2852 fist<mode>2_with_temp): Likewise.
2853 (lrint<mode>2): Split into...
2854 (lrintxf<mode>2): ... x87 part
2855 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2856 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2857 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2858 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2859 * doc/md.texi (lrintMN2): Document.
2861 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2864 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2865 Use inc and dec instructions for TARGET_USE_INCDEC.
2866 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2867 ("sync_double_compare_and_swap<mode>"): Likewise.
2868 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2869 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2870 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2871 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2872 ("sync_old_add<mode>"): Likewise.
2873 ("sync_lock_test_and_set<mode>"): Likewise.
2874 ("sync_lock_test_and_set<mode>"): Likewise.
2875 ("sync_add<mode>"): Likewise.
2876 ("sync_sub<mode>"): Likewise.
2877 ("sync_ior<mode>"): Likewise.
2878 ("sync_and<mode>"): Likewise.
2879 ("sync_xor<mode>"): Likewise.
2881 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2883 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2884 (remainder_optab): Define corresponding macro.
2885 (drem_optab): Remove.
2886 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2887 drem_optab initialization.
2888 * genopinit.c (optabs): Implement remainder_optab using
2889 remainder?f3 patterns. Remove drem_optab.
2890 * builtins.c (expand_builtin_mathfn_2): Handle
2891 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2892 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2893 expand_builtin_mathfn_2.
2895 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2896 depend on flag_unsafe_math_optimizations.
2898 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2899 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2900 Do not depend on flag_unsafe_math_optimizations. Use
2901 truncxf?f expander instead of truncxf?f_i387_noop.
2903 ("fpremxf4", "fprem1xf4"): Do not depend on
2904 flag_unsafe_math_optimizations.
2905 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2906 flag_unsafe_math_optimizations. Use truncxf?f expander
2907 instead of truncxf?f_i387_noop.
2909 * doc/md.texi (fmod, remainder): Document standard named pattern.
2911 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2912 David Daney <ddaney@avtrex.com>
2915 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2917 2006-10-25 Ben Elliston <bje@au.ibm.com>
2919 * doc/extend.texi (Variable Attributes): Typo fix.
2921 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2923 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2924 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2925 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2926 (FRAME_POINTER_REGNUM): Update register number to 21.
2927 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2928 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2930 * config/i386/i386.c (regclass_map): Add fpcr entry.
2931 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2933 (print_reg): Assert REGNO (x) != FPCR_REG.
2935 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2936 (DIRFLAG_REG): Renumber.
2937 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2938 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2939 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2940 hardcoded SSE register numbers.
2942 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2943 hardcoded MMX register numbers.
2945 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2948 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2949 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2951 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2952 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2953 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2954 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2956 2006-10-24 Richard Guenther <rguenther@suse.de>
2959 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2960 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2961 for deciding optimizations in consistency with fold-const.c
2962 (fold_builtin_unordered_cmp): Likewise.
2964 2006-10-24 Richard Guenther <rguenther@suse.de>
2966 * builtins.c (fold_builtin_floor): Fold floor (x) where
2967 x is nonnegative to trunc (x).
2968 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2969 nonnegative to FIX_TRUNC_EXPR.
2971 2006-10-24 Richard Guenther <rguenther@suse.de>
2973 PR tree-optimization/29567
2974 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2975 for TRUTH_NOT_EXPR. Clarify comments.
2977 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2981 at compile-time using MPFR. Change parameter VALUE to FUNC,
2983 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2984 for overflow and underflow at all times and avoid folding in
2987 2006-10-24 Ben Elliston <bje@au.ibm.com>
2989 * reload1.c: Formatting fixes.
2991 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2993 PR tree-optimization/14784
2994 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2995 * tree-ssa-structalias.c (get_constraint_for,
2996 intra_create_variable_infos): Set is_heapvar.
2997 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2998 non-heapvar pointer variables specially.
3000 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3003 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3004 fold_builtin_tan): Fold all constant arguments. Take a "type"
3005 argument as necessary.
3006 (do_mpfr_arg1): New.
3007 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3009 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3011 * config/xtensa/lib1funcs.asm: Use C-style comments.
3013 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3015 * tree.c (local_define_builtin): Replace calls to
3016 lang_hooks.builtin_function with add_builtin_function.
3017 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3019 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3021 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3022 common code to add_builtin_function.
3023 * langhooks.c (add_builtin_function): New function.
3024 (lhd_builtin_function): New function.
3025 * langhooks.h (struct lang_hooks): Change the signature of
3027 (add_builtin_function): New function.
3028 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3029 calls to lang_hooks.builtin_function with add_builtin_function.
3030 * c-common.c (decl_builtin_1): Replace calls to
3031 lang_hooks.builtin_function with add_builtin_function.
3032 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3033 lang_hooks.builtin_function with add_builtin_function.
3034 * config/frv/frv.c (def_builtin): Replace calls to
3035 lang_hooks.builtin_function with add_builtin_function.
3036 * config/s390/s390.c (s390_init_builtins): Replace calls to
3037 lang_hooks.builtin_function with add_builtin_function.
3038 * config/sparc/sparc.c (def_builtin): Replace calls to
3039 lang_hooks.builtin_function with add_builtin_function.
3040 * config/i386/i386.c (def_builtin): Replace calls to
3041 lang_hooks.builtin_function with add_builtin_function.
3042 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3043 lang_hooks.builtin_function with add_builtin_function.
3044 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3045 lang_hooks.builtin_function with add_builtin_function.
3046 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3047 Replace calls to lang_hooks.builtin_function with
3048 add_builtin_function.
3049 * config/iq2000/iq2000.c (def_builtin):
3050 Replace calls to lang_hooks.builtin_function with
3051 add_builtin_function.
3052 * config/ia64/ia64.c (def_builtin): Replace calls to
3053 lang_hooks.builtin_function with add_builtin_function.
3054 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3055 lang_hooks.builtin_function with add_builtin_function.
3056 (altivec_init_builtins): Replace calls to
3057 lang_hooks.builtin_function with add_builtin_function.
3058 * config/arm/arm.c (def_mbuiltin): Replace calls to
3059 lang_hooks.builtin_function with add_builtin_function.
3060 (arm_init_tls_builtins): Replace calls to
3061 lang_hooks.builtin_function with add_builtin_function.
3062 * config/mips/mips.c (mips_init_builtins): Replace calls to
3063 lang_hooks.builtin_function with add_builtin_function.
3064 * config/bfin/bfin.c (def_builtin): Replace calls to
3065 lang_hooks.builtin_function with add_builtin_function.
3066 * langhooks-def.h (lhd_builtin_function): New function.
3067 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3069 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3071 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3072 BUILT_IN_STRNCAT_CHK.
3074 2006-10-23 Jan Hubicka <jh@suse.cz>
3076 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3077 don't do conversion from memmove to memcpy here.
3078 (expand_builtin_bcopy, expand_builtin): Update call of
3079 expand_builtin_memmove.
3080 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3082 2006-10-23 Paul Brook <paul@codesourcery.com>
3084 * stor-layout.c (start_record_layout): maximum_field_alignment
3085 overrides STRUCTURE_SIZE_BOUNDARY.
3087 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3089 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3090 nonlocal function symbols if flag_pic.
3092 2006-10-23 Richard Guenther <rguenther@suse.de>
3096 * builtins.c (fold_binary): Remove checks for flag_wrapv
3097 and flag_trapv where negate_expr_p covers these cases.
3099 2006-10-23 Richard Guenther <rguenther@suse.de>
3102 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3103 of two on the absolute value.
3104 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3105 and negating -C does not overflow.
3107 2006-10-23 Richard Guenther <rguenther@suse.de>
3110 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3111 only if not flag_rounding_math.
3113 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3114 Kaz Kojima <kkojima@gcc.gnu.org>
3117 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3118 SImode memory reference for the source of a movua.
3119 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3120 (movua): Use an unspec instead of sign_extract. Expect the source
3121 to have mode BLKmode.
3122 (extv, insv): Use a BLKmode rather than SImode memory reference
3123 for the source of a movua.
3125 2006-10-22 Jeff Law <law@redhat.com>
3126 Richard Guenther <rguenther@suse.de>
3128 PR tree-optimization/15911
3129 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3130 (register_edge_assert_for_1): Likewise.
3131 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3132 (find_conditional_asserts): Adjust for new function signature.
3133 (find_assert_locations): Likewise.
3135 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3137 * config/i386/tmmintrin.h: Remove the duplicated content.
3139 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3141 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3142 (x86_64-*-*): Likewise.
3144 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3145 (override_options): Check SSSE3.
3146 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3147 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3148 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3149 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3150 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3151 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3152 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3153 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3154 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3155 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3156 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3157 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3158 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3159 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3160 IX86_BUILTIN_PABSD128.
3161 (bdesc_2arg): Add SSSE3.
3162 (bdesc_1arg): Likewise.
3163 (ix86_init_mmx_sse_builtins): Support SSSE3.
3164 (ix86_expand_builtin): Likewise.
3165 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3167 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3168 (UNSPEC_PSIGN): Likewise.
3169 (UNSPEC_PALIGNR): Likewise.
3170 Include mmx.md before sse.md.
3172 * config/i386/i386.opt: Add -mssse3.
3174 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3175 (ssse3_phaddwv4hi3): Likewise.
3176 (ssse3_phadddv4si3): Likewise.
3177 (ssse3_phadddv2si3): Likewise.
3178 (ssse3_phaddswv8hi3): Likewise.
3179 (ssse3_phaddswv4hi3): Likewise.
3180 (ssse3_phsubwv8hi3): Likewise.
3181 (ssse3_phsubwv4hi3): Likewise.
3182 (ssse3_phsubdv4si3): Likewise.
3183 (ssse3_phsubdv2si3): Likewise.
3184 (ssse3_phsubswv8hi3): Likewise.
3185 (ssse3_phsubswv4hi3): Likewise.
3186 (ssse3_pmaddubswv8hi3): Likewise.
3187 (ssse3_pmaddubswv4hi3): Likewise.
3188 (ssse3_pmulhrswv8hi3): Likewise.
3189 (ssse3_pmulhrswv4hi3): Likewise.
3190 (ssse3_pshufbv16qi3): Likewise.
3191 (ssse3_pshufbv8qi3): Likewise.
3192 (ssse3_psign<mode>3): Likewise.
3193 (ssse3_psign<mode>3): Likewise.
3194 (ssse3_palignrti): Likewise.
3195 (ssse3_palignrdi): Likewise.
3196 (abs<mode>2): Likewise.
3197 (abs<mode>2): Likewise.
3199 * config/i386/tmmintrin.h: New file.
3201 * doc/extend.texi: Document SSSE3 built-in functions.
3203 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3205 2006-10-22 Ira Rosen <irar@il.ibm.com>
3207 * tree-vect-transform.c (vectorizable_load): Use the type of the
3208 return value of the mask_for_load builtin to create realign_load
3211 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3213 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3216 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3218 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3219 (UNSPEC_LDDQU): This.
3220 * config/i386/sse.md (sse3_lddqu): Updated.
3222 2006-10-21 Richard Guenther <rguenther@suse.de>
3224 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3225 (expand_builtin): Use it to expand lrint instead of
3226 expand_builtin_mathfn.
3228 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3231 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3232 flag_unsafe_math_optimizations is set.
3234 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3237 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3238 patterns to use memory input operand in x87->mem->XMM
3239 reload sequences. Skip transformation for TARGET_K8.
3241 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3243 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3244 force operand1 to register if both operands are memory operands.
3245 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3246 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3247 if both operands are memory operands.
3248 (truncdfsf2): Do not force operand1 to register if both operands
3249 are memory operands.
3251 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3253 * Makefile.in (LIBS): Add $(GMPLIBS).
3254 * doc/install.texi: Update GMP and MPFR requirements.
3255 * doc/sourcebuild.texi (need_gmp): Delete.
3257 2006-10-21 Richard Guenther <rguenther@suse.de>
3259 PR tree-optimization/3511
3260 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3261 got new invariant arguments during PHI translation.
3263 2006-10-21 Richard Guenther <rguenther@suse.de>
3266 * fold-const.c (fold_comparison): Fold signed comparisons
3267 of the form X +- C1 CMP Y +- C2.
3269 2006-10-21 Richard Guenther <rguenther@suse.de>
3272 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3273 if flag_unsafe_math_optimizations is specified. We have
3274 flag_finite_math_only for that.
3275 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3276 or flag_unsafe_math_optimizations.
3278 2006-10-21 Richard Guenther <rguenther@suse.de>
3280 * builtins.c (fold_builtin_classify): Fix typo.
3282 2006-10-21 Richard Guenther <rguenther@suse.de>
3285 * simplify-rtx.c (simplify_const_relational_operation):
3286 Do not constant-fold ORDERED and UNORDERED for
3287 flag_unsafe_math_optimizations but only we do not need to
3288 honor NaNs for the given mode.
3290 2006-10-21 Richard Guenther <rguenther@suse.de>
3293 * config/i386/i386.c (classify_argument): Remove redundant
3294 walking of the BINFOs.
3295 (contains_128bit_aligned_vector_p): Likewise.
3297 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3299 * BASE-VER: Set to 4.3.0.
3301 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3303 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3304 (tree_decl_with_vis): Remove artificial_pta_var flag.
3305 * tree-flow.h (referenced_var_check_and_insert): Expose.
3306 (nonlocal_all): New prototype.
3307 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3308 (nonlocal_all): Make global.
3309 (nonlocal_lookup): Remove.
3310 (nonlocal_insert): Ditto.
3311 (create_nonlocal_var): Do not call nonlocal_insert.
3312 (get_nonlocal_id_for_type): Remove.
3313 (find_global_initializers): Mark new vars we find for renaming.
3314 (intra_create_variable_infos): Only create one nonlocal.
3315 (expand_nonlocal_solutions): Remove.
3316 (compute_points_to_sets): Don't call it.
3317 (ipa_pta_execute): Ditto.
3318 (init_alias_heapvars): Don't create nonlocal_for_type.
3319 (delete_alias_heapvars): Don't remove it.
3320 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3323 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3325 * doc/install.texi (Downloading GCC): Clarify mention of
3326 Fortran in the "full distribution" description.
3328 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3330 Fix PR tree-optimization/28778
3331 Fix PR tree-optimization/29156
3332 Fix PR tree-optimization/29415
3333 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3334 (tree_decl_with_vis): Add artificial_pta_var flag.
3335 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3336 pushed into callers.
3337 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3338 (nonlocal_all): Ditto.
3339 (struct variable_info): Add directly_dereferenced member.
3340 (var_escaped_vars): New variable.
3341 (escaped_vars_tree): Ditto.
3342 (escaped_vars_id): Ditto.
3343 (nonlocal_vars_id): Ditto.
3344 (new_var_info): Set directly_dereferenced.
3345 (graph_size): New variable
3346 (build_constraint_graph): Use graph_size.
3347 (solve_graph): Don't process constraints that cannot change the
3348 solution, don't try to propagate an empty solution to our
3350 (process_constraint): Set directly_dereferenced.
3351 (could_have_pointers): New function.
3352 (get_constraint_for_component_ref): Don't process STRING_CST.
3353 (nonlocal_lookup): New function.
3354 (nonlocal_insert): Ditto.
3355 (create_nonlocal_var): Ditto.
3356 (get_nonlocal_id_for_type): Ditto.
3357 (get_constraint_for): Allow results vector to be empty in the case
3358 of string constants.
3359 Handle results of calls properly.
3360 (update_alias_info): Update alias info stats on number and type of
3362 (find_func_aliases): Use could_have_pointers.
3363 (make_constraint_from_escaped): Renamed from
3364 make_constraint_to_anything, and changed to make constraints from
3366 (make_constraint_to_escaped): New function.
3367 (find_global_initializers): Ditto.
3368 (create_variable_info_for): Make constraint from escaped to any
3369 global variable, and from any global variable to the set of
3371 (intra_create_variable_infos): Deal with escaped instead of
3372 pointing to anything.
3373 (set_uids_in_ptset): Do type pruning on directly dereferenced
3375 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3376 (init_base_vars): Fix comment, and initialize escaped_vars.
3377 (need_to_solve): Removed.
3378 (find_escape_constraints): New function.
3379 (expand_nonlocal_solutions): Ditto.
3380 (compute_points_to_sets): Call find_escape_constraints and
3381 expand_nonlocal_solutions.
3382 (delete_points_to_sets): Don't fall off the end of the graph.
3383 (init_alias_heapvars): Initialize nonlocal_for_type and
3385 (delete_alias_heapvars): Free nonlocal_for_type and null out
3388 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3390 * fold-const.c (add_double): Rename to add_double_with_sign.
3391 Add 'unsigned_p' parameter and take it into account for the overflow.
3392 (mul_double): Rename to mul_double_with_sign.
3393 Add 'unsigned_p' parameter and take it into account for the overflow.
3394 (fold_div_compare): Call add_double_with_sign instead of add_double
3395 and mul_double_with_sign instead of mul_double, passing them the
3396 unsignedness of the type.
3397 * tree.h (add_double): Macroize.
3398 (add_double_with_sign): New prototype.
3399 (mul_double): Macroize.
3400 (mul_double_with_sign): New prototype.
3402 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3404 * config/score/crti.asm: New file.
3405 * config/score/crtn.asm: New file.
3406 * config/score/elf.h: New file.
3407 * config/score/mac.md: New file.
3408 * config/score/misc.md: New file.
3409 * config/score/mul-div.S: New file.
3410 * config/score/predicates.md: New file.
3411 * config/score/score7.md: New file.
3412 * config/score/score.c: New file.
3413 * config/score/score-conv.h: New file.
3414 * config/score/score.h: New file.
3415 * config/score/score.md: New file.
3416 * config/score/score-mdaux.c: New file.
3417 * config/score/score-mdaux.h: New file.
3418 * config/score/score-modes.def: New file.
3419 * config/score/score.opt: New file.
3420 * config/score/score-protos.h: New file.
3421 * config/score/score-version.h: New file.
3422 * config/score/t-score-elf: New file.
3423 * config.gcc: Add score*-*-* configurations(Update before).
3424 * doc/invoke.texi (Score Options): New section.
3425 * doc/md.texi (Score family): New section to document constraints.
3427 2006-10-19 Nick Clifton <nickc@redhat.com>
3429 * config/arm/arm.c: Fix spelling typo.
3431 2006-10-18 Tom Tromey <tromey@redhat.com>
3433 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3435 2006-10-18 Jan Hubicka <jh@suse.cz>
3438 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3441 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3443 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3444 TSI_SAME_STMT, since that's the desired entity.
3446 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3448 * config/s390/contraints.md: New file.
3449 * config/s390/s390-protos.h (s390_mem_constraint,
3450 s390_O_constraint_str, s390_N_constraint_str,
3451 s390_float_const_zero_p): Function prototypes added.
3452 * config/s390/s390.c (s390_extra_constraint_str,
3453 s390_const_double_ok_for_constraint_p,
3454 s390_const_ok_for_constraint_p): Functions removed.
3455 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3456 s390_float_const_zero_p): New functions.
3457 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3458 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3459 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3460 Macro definitions removed.
3461 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3462 s390_extra_constraint_str): Functions removed.
3464 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3465 Richard Sandiford <richard@codesourcery.com>
3468 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3469 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3471 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3473 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3474 (DWARF2_FRAME_REG_OUT): Likewise.
3475 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3476 (DWARF2_FRAME_REG_OUT): Likewise.
3478 2006-10-17 Paul Brook <paul@codesourcery.com>
3480 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3482 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3484 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3485 Standardize on "GNU Fortran" as the official name of the Fortran
3488 2006-10-16 Mike Stump <mrs@apple.com>
3490 * doc/invoke.texi (Darwin Options): Document -mkernel.
3491 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3493 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3494 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3495 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3496 (OS_MISSING_ALTIVEC): Add.
3497 * config/i386/i386.c (override_options): Add
3498 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3499 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3500 -mkernel, -static or -mdynamic-no-pic is given.
3501 (C_COMMON_OVERRIDE_OPTIONS): Add.
3502 * config/darwin.opt (fapple-kext): Add.
3504 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3505 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3507 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3508 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3509 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3510 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3511 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3512 (flag_mkernel): Add.
3513 (flag_apple_kext): Add.
3514 (TARGET_KEXTABI): Add.
3515 * config/darwin.c (darwin_handle_kext_attribute): Add.
3516 (DARWIN_VTABLE_P): Add.
3517 (darwin_binds_local_p): Add partial support for rebinding vtables
3519 (darwin_kextabi_p): Add.
3520 (darwin_override_options): Add.
3521 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3522 (darwin_kextabi_p): Add.
3523 (darwin_override_options): Add.
3524 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3525 __DYNAMIC__ and __STATIC__ here.
3527 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3529 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3530 Added mention of "make pdf" target, and Texinfo requirements for
3533 2006-10-16 DJ Delorie <dj@redhat.com>
3535 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3536 into the GOT in case we need a subreg of the address.
3538 2006-10-16 Richard Guenther <rguenther@suse.de>
3541 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3542 SSE builtin documentation. Document SSE2 builtins.
3544 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3546 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3547 symbol in the output file for non-shared links when -nostdlib or
3548 -nodefaultlibs isn't specified.
3550 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3551 posix thread support.
3553 2006-10-15 Jan Hubicka <jh@suse.cz>
3556 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3557 declared always_inline even when not inlining.
3559 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3560 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3561 Andrew Pinski <pinskia@gmail.com>
3564 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3566 2006-10-15 Jan Hubicka <jh@suse.cz>
3567 Richard Guenther <rguenther@suse.de>
3570 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3571 process_function_and_variable_attributes on all variables, including
3572 those discovered during cgraph construction phase.
3574 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3576 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3578 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3580 * config/i386/athlon.md (athlon_fist): Add fisttp.
3582 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3583 Ian Lance Taylor <ian@airs.com>
3586 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3587 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3590 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3592 * config/score/score.c, config/score/score.h: Fix comment
3595 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3598 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3601 2006-10-13 Eric Christopher <echristo@apple.com>
3603 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3605 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3608 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3609 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3610 alignment supported by 32-bit ELF.
3612 2006-10-13 Eric Christopher <echristo@apple.com>
3614 * config/darwin.c (darwin_emit_unwind_label): Strip
3615 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3617 2006-10-13 Richard Guenther <rguenther@suse.de>
3619 PR tree-optimization/29446
3620 * tree-vrp.c (fix_equivalence_set): Remove.
3621 (extract_range_from_assert): Do not call fix_equivalence_set.
3622 (debug_value_range): Print a newline.
3623 (compare_name_with_value): For equivalence sets with
3624 inconsistent value ranges conservatively bail out.
3625 (compare_names): Likewise.
3627 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3629 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3630 and MPFR for gfortran.
3632 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3634 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3635 alignment supported by 32-bit ELF.
3637 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3641 * c-typeck.c (digest_init): Always allow initializing vectors
3642 that have static storage duration with compound literals.
3643 * tree.c (build_type_attribute_qual_variant): New, based on
3644 build_type_attribute_variant.
3645 (build_type_attribute_variant): Rewrite using the former.
3646 (make_vector_type): Use build_type_attribute_qual_variant to build
3647 type variants. Use type_hash_canon on the others.
3649 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3650 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3652 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3654 2006-10-12 Jan Hubicka <jh@suse.cz>
3657 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3658 current_function_decl is set but current_function_scope is not.
3660 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3662 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3663 emit_insn to emit eh_return_internal instruction.
3664 (eh_return_internal): Explicitly set pc.
3666 2006-10-11 Richard Guenther <rguenther@suse.de>
3668 PR tree-optimization/28230
3669 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3670 to the correct place.
3672 2006-10-11 Richard Guenther <rguenther@suse.de>
3675 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3678 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3680 * configure.ac: Added pdf to "Make-hooks"
3681 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3682 targets and *.pdf file patterns in cleanup targets.
3683 * configure: Regenerated.
3685 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3687 * config/avr/predicates.md: New file.
3688 * config/avr/avr.md: Include it.
3689 (REG_SP): New constant.
3690 (peepholes): Use predicates.
3691 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3692 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3693 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3695 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3697 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3700 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3703 * builtins.c (var_decl_component_p): New function.
3704 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3705 single entry optimization to variables and components thereof.
3707 2006-10-10 Richard Guenther <rguenther@suse.de>
3709 PR rtl-optimization/29323
3710 * except.c (set_nothrow_function_flags): For functions
3711 that do not bind local bail out early.
3713 2006-10-10 Ben Elliston <bje@au.ibm.com>
3715 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3718 2006-10-09 Richard Henderson <rth@redhat.com>
3720 Revert emutls patch.
3722 2006-10-09 Richard Guenther <rguenther@suse.de>
3725 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3728 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3731 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3732 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3733 * configure: Regenerate.
3734 * config.in: Regenerate.
3736 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3738 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3740 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3742 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3743 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3744 Remove stray newline.
3746 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3748 * config/mips/mips.c (mips_classify_symbol): Do not return
3749 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3750 (mips_in_small_data_p): Tweak comments.
3752 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3754 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3756 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3758 * gimplify.c, sched-int.h: Fix comment typos.
3760 * sched-int.h: Fix comment typos.
3762 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3764 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3766 * sched-ebb.c (begin_schedule_ready): Use them.
3767 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3768 add_to_speculative_block, create_check_block_twin, speculate_insn,
3769 fix_jump_move, move_block_after_check): Ditto.
3770 * sched-rgn.c (new_ready): Ditto.
3772 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3774 PR rtl-optimization/29128
3775 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3776 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3777 allow interblock movement of speculation checks.
3779 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3782 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3783 casted to integer type.
3784 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3785 if they are significantly more expensive than [reg + index] ones.
3787 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3789 PR tree-optimization/29330
3790 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3791 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3792 on newly allocated ddrs.
3793 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3794 to VEC (loop_p, heap) pointer.
3795 (compute_data_dependences_for_loop): Adjust caller.
3796 (free_dependence_relations): Free DDR_LOOP_NEST.
3798 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3799 free DEPENDENCE_RELATIONS and DATAREFS.
3802 * builtins.c (expand_builtin_sync_operation,
3803 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3804 Use convert_to_mode to handle promoted arguments.
3806 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3808 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3810 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3812 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3814 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3816 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3817 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3818 Use <modeconstraint> instead of "r" as operand 1 constraint.
3820 2006-10-06 Olivier Hainque <hainque@adacore.com>
3822 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3823 Don't recurse on the pointed-to type.
3824 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3825 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3826 types with components of variable size.
3828 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3830 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3832 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3834 PR tree-optimization/29290
3835 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3839 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3840 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3843 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3844 the number of vector elements fill the rest with zeros.
3846 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3848 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3849 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3852 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3854 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3855 unnamed pattern into subsi3. Use correct constraints/predicates.
3856 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3857 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3859 2006-10-05 Ira Rosen <irar@il.ibm.com>
3861 * doc/loop.texi: Add data references analysis description.
3863 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3865 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3867 2006-10-04 Richard Henderson <rth@redhat.com>
3868 Jakub Jelinek <jakub@redhat.com>
3870 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3871 * builtin-types.def (BT_WORD): Make unsigned.
3872 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3873 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3874 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3875 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3876 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3877 * cgraph.c (decide_is_variable_needed): Look at force_output.
3878 Recurse for emulated tls.
3879 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3880 checks redundant with decide_is_variable_needed.
3881 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3882 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3884 * expr.c (emutls_var_address): New.
3885 (expand_expr_real_1): Expand emulated tls.
3886 (expand_expr_addr_expr_1): Likewise.
3887 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3888 * output.h (emutls_finish): Declare.
3889 * toplev.c (compile_file): Call it.
3890 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3891 address before wrapping in CONST.
3892 * varasm.c (emutls_htab, emutls_object_type): New.
3893 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3894 (get_emutls_object_name, get_emutls_object_type): New.
3895 (get_emutls_init_templ_addr, emutls_decl): New.
3896 (emutls_common_1, emutls_finish): New.
3897 (assemble_variable): When emulating tls, swap decls; generate
3898 constructor for the emutls objects.
3899 (do_assemble_alias): When emulating tls, swap decl and target name.
3900 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3902 * emutls.c: New file.
3903 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3904 tls_object for real tls.
3906 2006-10-04 Zack Weinberg <zackw@panix.com>
3908 Fix bug in constraint-check generator, reported by Rask Ingemann
3910 * genpreds.c (add_constraint): Don't remove anything from the
3912 (write_tm_constrs_h): Detect whether "op" argument is used, and
3913 mark it ARG_UNUSED if it isn't.
3914 (write_insn_const_int_ok_for_constraint): Skip the part of the
3915 expression that would test whether "op" (which is not available
3916 here) is a CONST_INT.
3918 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3921 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3923 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3925 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3926 current Leopard versions.
3927 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3929 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3931 * doc/install.texi: Fix typos.
3933 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3935 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3936 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3937 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3939 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3941 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3942 arg to be struct mach_header_64* instead.
3944 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3947 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3948 side effects after the outer expression's post side effects.
3950 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3952 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3953 comments to reflect actual behavior and relationship between
3954 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3956 * doc/c-tree.texi (Working with declarations): Fix documentation
3957 of FIELD_DECL likewise.
3959 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3962 * doc/extend.texi: Add used variable attribute description.
3964 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3967 * c.opt (Woverride-init): New.
3968 * c-opts.c (c_common_post_options): Default warn_override_init to
3970 * c-typeck.c (add_pending_init, output_init_element): Warn for
3971 overriding initializers without side effects.
3972 * doc/invoke.texi (-Woverride-init): Document.
3975 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3977 PR rtl-optimization/28096
3978 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3979 assignment has already been used as a destination earlier in the block.
3981 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3983 * builtins.c (expand_builtin_setjmp): Delete.
3984 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3985 <BUILT_IN_SETJMP_SETUP>: New case.
3986 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3987 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3988 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3989 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3990 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3991 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3992 (lower_function_body): Initialize it to false. If it is set to true
3993 at the end of the processing, emit the setjmp dispatcher.
3994 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3995 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3996 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3997 on the rhs of the assignment.
3998 (lower_builtin_setjmp): New function.
3999 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4000 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4001 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4002 to detect calls that can go to non-local labels. Use specific
4003 helper to create the abnormal edges associated with them.
4004 <MODIFY_EXPR>: Likewise.
4005 (make_abnormal_goto_edges): New function extracted from...
4006 (make_goto_expr_edges): ...here. Call it for computed gotos.
4007 (simple_goto_p): Minor tweak.
4008 (tree_can_make_abnormal_goto): New predicate.
4009 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4010 (tree_purge_dead_abnormal_call_edges): New function.
4011 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4012 (tree_purge_dead_abnormal_call_edges): Likewise.
4013 (make_abnormal_goto_edges): Likewise.
4014 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4015 Purge all dead abnormal edges if the call was in the last statement.
4016 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4017 (execute_fixup_cfg): If there are non-local labels in the function,
4018 scan the basic blocks and split them at calls that can go to non-local
4019 labels or add missing abnormal call edges. Write down the CFG in the
4021 (pass_fixup_cfg): Remove TODO_dump_func flag.
4022 * unwind-sjlj.c: Poison setjmp.
4023 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4024 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4025 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4026 (DONT_USE_BUILTIN_SETJMP): Document it.
4028 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4031 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4032 to 1 when __ppc64__ is defined.
4033 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4035 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4037 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4039 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4040 * config/ia64/unwind-hpux.c: Delete.
4042 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4044 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4045 on the element before gimplifying it, instead of punting if it is of
4048 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4050 * doc/loop.texi: New file.
4051 * doc/gccint.texi: Reference loop.texi.
4052 * Makefile.in (loop.texi): Add.
4054 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4056 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4058 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4059 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4061 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4063 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4065 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4067 * doc/install.texi: Document required versions of GMP and MPFR.
4069 2006-09-27 Paul Brook <paul@codesourcery.com>
4072 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4074 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4076 * reload1.c (alter_reg): Require the alignment of the stack slot to
4077 be at least reg_max_ref_width bytes.
4078 (scan_paradoxical_subregs): Record the largest width in
4081 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4085 * tree-nested.c (struct nesting_info): Added static_chain_added.
4086 (convert_call_expr): Set static_chain_added when adding static
4087 chain. Handle OMP_PARALLEL and OMP_SECTION.
4089 2006-09-25 Matthias Klose <doko@debian.org>
4091 * doc/invoke.texi: Add missing full stop.
4093 2006-09-25 Richard Henderson <rth@redhat.com>
4095 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4096 before cgraph_function_flags_ready.
4098 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4099 Adam Nemet <anemet@caviumnetworks.com>
4101 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4102 determine_common_wider_type): New functions.
4103 (get_computation_aff): Use them to simplify arithmetic between
4104 UBASE and CBASE if they are shortened from the same type.
4106 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4109 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4110 -2147483647 - 1 instead of 0x80000000.
4112 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4114 * flags.h (HONOR_NANS): Fix typo in comment.
4116 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4118 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4120 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4124 * tree.c (merge_attributes, attribute_list_contained): If both
4125 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4127 * c-typeck.c (comptypes_internal): Don't consider aggregates
4128 in different TUs as compatible if there one set of attributes is
4129 not a subset of the other type's attributes.
4130 (composite_type): Try harder not to create a new aggregate type.
4132 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4134 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4135 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4136 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4137 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4138 than replicating condition above.
4139 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4141 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4142 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4143 the linker by default.
4145 2006-09-22 Mike Stump <mrs@apple.com>
4147 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4150 2006-09-22 Richard Guenther <rguenther@suse.de>
4153 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4154 sort of stack variables stable.
4156 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4159 * explow.c (force_reg): Set REG_POINTER flag according to
4162 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4164 PR tree-optimization/28888
4165 * tree-if-conv.c (combine_blocks): Rewritten.
4166 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4167 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4169 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4171 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4174 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4176 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4178 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4180 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4182 2006-09-21 Roger Sayle <roger@eyesopen.com>
4185 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4186 dw_fde_current_label, to be the start of the function, i.e. the same
4187 value as dw_fde_begin.
4189 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4191 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4192 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4193 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4194 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4195 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4196 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4197 (abs<mode>2, neg<mode>2): Likewise.
4198 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4199 (*mips_abs_ps): New define_insn.
4201 2006-09-20 Josh Conner <jconner@apple.com>
4204 * calls.c (expand_call): Allow reuse of structure return stack
4207 2006-09-20 Paul Brook <paul@codesourcery.com>
4209 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4212 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4214 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4215 clean up terminology.
4217 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4220 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4221 with tablejumps in them.
4223 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4226 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4227 wrap it into TARGET_EXPR.
4229 2006-09-20 Eric Christopher <echristo@apple.com>
4231 * config/i386/i386.c (x86_fisttp): Remove.
4232 * config/i386/i386.h (x86_fisttp): Ditto.
4233 (TARGET_FISTTP): Ditto.
4235 2006-09-19 Eric Christopher <echristo@apple.com>
4237 * doc/tm.texi (OBJC_JBLEN): Describe.
4238 * config/i386/darwin.h (OBJC_JBLEN): Define.
4239 * config/rs6000/darwin.h: Ditto.
4241 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4243 PR rtl-optimization/21299
4244 * reload1.c (reload): Purge invalid ASMs in the final pass.
4246 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4249 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4250 pointers as legitimate constants.
4252 2006-09-19 Paul Brook <paul@codesourcery.com>
4255 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4257 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4259 PR tree-optimization/28887
4260 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4261 component parts from the reference.
4262 (gather_memory_references_ref): Record the reference without the
4263 nonaddressable component parts.
4265 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4268 * c-opts.c (c_common_handle_option): Ignore the -std options
4269 if the input language is assembly.
4271 2006-09-17 Ira Rosen <irar@il.ibm.com>
4274 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4276 (ptr_ptr_may_alias_p): Likewise.
4277 (record_record_differ_p): New function.
4278 (base_object_differ_p): Call record_record_differ_p.
4280 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4283 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4284 away for the expr argument.
4286 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4289 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4290 before using it for dumping after vectorizing loops.
4292 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4293 Jack Howarth <howarth@bromo.med.uc.edu>
4296 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4297 skip on error_mark_node.
4298 (rs6000_darwin64_record_arg_recurse): Likewise.
4300 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4302 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4303 * doc/rtl.texi: Remove related documentation.
4305 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4307 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4310 2006-09-15 Jim Wilson <wilson@specifix.com>
4312 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4313 Handle symbol offsets same as they are handled in ia64_expand_move
4316 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4318 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4319 Add forgotten parameter to the fprintf call.
4321 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4323 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4325 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4327 * doc/contrib.texi: Add my entry.
4329 2006-09-15 Nick Clifton <nickc@redhat.com>
4331 * doc/md.texi (Processor pipeline description): Fix typo in
4332 example of how to use the absence_set directive and reword the
4333 description to make it slightly easier to read.
4335 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4337 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4338 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4339 expanding the number of iterations.
4340 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4342 * cfgrtl.c (emit_insn_at_entry): New function.
4343 * rtl.h (emit_insn_at_entry): Declare it.
4344 * integrate.c (emit_initial_value_sets): Use it.
4346 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4348 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4350 (struct loop_work and related VEC declarations): Delete.
4351 (bfin_dump_loops): Print out new member bad.
4352 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4353 (bfin_scan_loop): Don't recurse.
4354 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4355 loops. No longer need to update outer loops if the current one is
4356 found bad. Move some validitiy checks to bfin_discover_loop.
4357 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4358 but changed not to check for nesting. Also changed to use the new bad
4360 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4361 time. Use bitmap based test to discover loop nesting.
4363 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4365 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4368 2006-09-14 Richard Guenther <rguenther@suse.de>
4369 Kazu Hirata <kazu@codesourcery.com>
4371 PR middle-end/28884.
4372 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4373 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4374 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4375 with TARGET_FUNCTION_VALUE.
4377 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4380 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4382 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4384 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4387 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4390 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4393 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4395 * basic_block.h (bb_has_eh_pred): Fix comment.
4397 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4399 * flow.c (calculate_global_regs_live): Invalidate eh registers
4400 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4401 (propagate_block): Handle eh registers as if they were set at basic
4403 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4405 * global.c (global_conflicts): Make eh registers to conflict with
4406 pseudos live at basic block begin.
4407 * basic_block.h (bb_has_eh_pred): New function.
4409 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4411 PR rtl-optimization/28982
4412 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4413 index of a PRE_MODIFY or POST_MODIFY address.
4414 * reload1.c (inc_for_reload): Use find_replacement on the original
4415 base and index registers.
4417 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4419 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4420 for -Os. Update __m128 alignment requirement.
4422 2006-09-13 Jan Hubicka <jh@suse.cz>
4424 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4426 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4428 PR rtl-optimization/28243
4429 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4430 the insn to which the note was originally attached.
4432 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4433 Roger Sayle <roger@eyesopen.com>
4435 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4436 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4437 on platforms that don't use dwarf for debug info.
4439 2006-09-12 Jason Merrill <jason@redhat.com>
4442 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4443 hard_frame_pointer_rtx after using it to update the frame pointer.
4445 2006-09-12 Roger Sayle <roger@eyesopen.com>
4447 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4448 (TARGET_ASM_CLOSE_PAREN): Likewise.
4449 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4450 (TARGET_ASM_CLOSE_PAREN): Likewise.
4452 2006-09-12 Roger Sayle <roger@eyesopen.com>
4455 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4456 frame information for frames larger than 512 Kbytes on Tru64 when
4457 using the native assembler.
4459 2006-09-12 Roger Sayle <roger@eyesopen.com>
4463 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4464 and symbols. Instead use the implementation from cse.c's hash_rtx.
4466 2006-09-12 Jan Hubicka <jh@suse.cz>
4468 PR rtl-optimization/28071
4469 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4470 (vect_transform_loop): Likewise.
4471 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4472 (new_loop_vec_info): Likewise.
4473 (destroy_loop_vec_info): Likewise.
4474 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4475 (create_stmt_ann): Likewise.
4476 (create_tree_ann): Rename to ...
4477 (create_tree_common_ann): ... this one; allocate only the common part
4479 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4480 (get_value_handle): Likewise.
4481 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4482 get_tree_common_ann.
4483 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4484 (vinfo_for_stmt): Use stmt annotations.
4485 * tree-flow.h (tree_ann_common_t): New type.
4486 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4487 (tree_ann, get_tree_ann, create_tree_ann): New.
4488 * tree-flow-inline.h (get_function_ann): Do more type checking.
4489 (stmt_ann): Likewise.
4490 (tree_ann): Rename to ...
4491 (tree_common_ann): ... this one; return ony common_ann
4492 (get_tree_ann): Rename to ...
4493 (tree_common_ann): This one; return only common_ann.
4494 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4497 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4499 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4500 with_cpu by default.
4502 * dwarf2out.c (dwarf_file_data): New.
4503 (enum dw_val_class): Add dw_val_class_file.
4504 (struct dw_val_struct): Add val_file.
4505 (file_table): Change to a hash table.
4506 (file_table_emitted): Delete.
4507 (file_table_last_lookup_index): Delete.
4508 (emitcount): Delete.
4509 (last_emitted_file): New.
4510 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4511 (init_file_table): Delete.
4512 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4513 (AT_addr): Add comment.
4517 (print_die): Handle dw_val_class_file.
4518 (print_dwarf_line_table): Update for new file table structure.
4519 (attr_checksum): Do checksum a filename.
4520 (same_dw_val_p, same_attr_p): Do compare a filename.
4521 (size_of_die): Handle dw_val_class_file.
4522 (value_format): Likewise.
4523 (output_die): Likewise. Also, call maybe_emit_file here.
4524 (struct file_info): Constify filenames. Make file_idx a pointer
4525 to a struct dwarf_file_data.
4526 (struct dir_info): Constify directory names. Remove 'used' field.
4527 (struct file_name_acquire_data): New.
4528 (file_name_acquire): New.
4529 (output_file_names): Modify to handle new file data structures.
4530 (add_src_coords_attributes): Use add_AT_file.
4531 (add_call_src_coords_attributes): Likewise.
4532 (dwarf2out_imported_module_or_decl): Likewise.
4533 (gen_subprogram_die): Modify for new file data structures.
4534 (gen_variable_die): Likewise.
4535 (file_table_eq): New.
4536 (file_table_hash): New.
4537 (file_table_last_lookup): New.
4538 (lookup_filename): Rewrite to handle new file data structures.
4539 (maybe_emit_file): Rewrite to handle new file data structures.
4540 (dwarf2out_source_line): Always call lookup_filename and
4542 (dwarf2out_init): Create file_table here.
4543 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4544 (file_table_relative_p): New.
4545 (dwarf2out_finish): Change detection of relative filenames
4546 to work with new file data structures. Move output_line_info call
4547 after debug_info output.
4549 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4554 * config/i386/i386.c (override_options): Always default to 16
4555 byte stack boundary.
4557 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4560 * var-tracking.c (dump_dataflow_set): Start dumping at
4562 (clobber_variable_part): Kill only the variable part in
4563 registers holding it, leaving other variables alone.
4565 2006-09-11 Josh Triplett <josh@freedesktop.org>
4567 * doc/extend.texi (Other Builtins): Actually use the macro
4568 argument in the documentation example for
4569 __builtin_types_compatible_p.
4571 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4573 PR rtl-optimization/28726
4574 * sched-deps.c (sched_analyze_reg): New function extracted from...
4575 (sched_analyze_1): ...here. Call it to analyze references to
4576 registers. Treat again writes to a stack register as writing to the
4578 (sched_analyze_2): ...and here. Call it to analyze references to
4579 registers. Treat again reads of a stack register as reading the
4582 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4583 David Edelsohn <edelsohn@gnu.org>
4586 * config/rs6000/spe.md (frob_df_di): Remove %H.
4587 (frob_di_df): Remove %H. Change evmergelo to mr.
4588 (frob_di_df_2): Remove %H. Change evldd to two loads.
4590 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4592 * doc/cpp.texi: Fix names of charset options.
4594 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4597 * config/i386/i386.c (override_options): Use 128-bit
4598 stack boundary always for 64bits.
4600 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4602 PR rtl-optimization/28636
4603 * combine.c (force_to_mode): Test for side-effects before
4604 substituting by zero.
4605 (simplify_shift_const): Likewise for zero or other constants.
4607 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4610 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4613 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4616 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4617 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4618 returned by mode_for_size, rather than the mode of src itself,
4619 to choose between 32-bit and 64-bit patterns.
4620 (mips_mem_fits_mode_p): New function.
4621 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4622 that the size of the source matches the size of the destination.
4623 (mov_<store>l, mov_<store>r): Likewise.
4625 2006-09-10 Eric Christopher <echristo@apple.com>
4627 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4630 2006-09-09 Eric Christopher <echristo@apple.com>
4633 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4636 2006-09-09 Roger Sayle <roger@eyesopen.com>
4637 Nicolas Setton <setton@adacore.com>
4639 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4641 2006-09-10 Andreas Schwab <schwab@suse.de>
4643 * config/m68k/m68k.md (bungt_rev): New pattern.
4645 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4646 Dale Johannesen <dalej@apple.com>
4649 * regclass.c (struct reg_pref): Update documentation.
4650 (regclass): Set prefclass to NO_REGS if memory is the best option.
4651 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4653 2006-09-08 Eric Christopher <echristo@apple.com>
4655 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4656 * config/t-slibgcc-darwin: Support x86_64 multilib.
4657 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4658 Return 1 for x86_64-darwin.
4659 * config/i386/t-darwin: Add m64 multilib.
4660 (LIB2_SIDITI_CONV_FUNCS): Use.
4661 (LIB2FUNCS_EXTRA): Ditto.
4662 * config/i386/darwin.h: Support x86_64.
4663 * config/i386/i386.c (override_options): Turn on flag_pic
4664 for x86_64-darwin. Disable flag_omit_pointer.
4665 (get_pc_thunk_name): Assert !TARGET_64BIT.
4666 (legitimate_address_p): Disable machopic addressing for
4668 (legitimize_pic_address): Ditto.
4669 (ix86_expand_move): Ditto.
4670 (ix86_expand_call): Ditto.
4671 (machopic_output_stub): Ditto.
4672 * config/darwin.c (machopic_select_section): Support literal16.
4673 (machopic_select_rtx_section): Ditto.
4674 * config/darwin-sections.def: Ditto.
4675 * config/darwin-64.c: New.
4677 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4680 * c-tree.h (struct c_arg_info): Add pending_sizes.
4681 * c-parser.c (c_parser_parms_declarator,
4682 c_parser_parms_list_declarator): Initialize pending_sizes.
4683 * c-decl.c (get_parm_info): Initialize pending_sizes.
4684 (get_parm_info): Set pending_sizes.
4685 (grokdeclarator): Call put_pending_sizes for parameters for
4686 function definition only.
4688 2006-09-07 Jason Merrill <jason@redhat.com>
4691 * varasm.c (output_constant): Only strip actual no-op conversions.
4694 * config/i386/i386.c (override_options): Use 128-bit
4695 stack boundary if -msse.
4697 2006-09-07 Eric Christopher <echristo@apple.com>
4699 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4701 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4704 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4706 * dwarf2out.c: Remove strange characters from comment above
4707 dwarf2out_frame_debug_expr.
4709 2006-09-07 Eric Christopher <echristo@apple.com>
4711 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4712 * config/darwin.h: ... to here.
4714 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4716 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4718 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4719 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4721 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4722 TARGET_PARTIAL_FLAG_REG_STALL.
4723 (*ashldi3_cconly_rex64): Likewise.
4724 (*ashlsi3_cmp): Likewise.
4725 (*ashlsi3_cconly): Likewise.
4726 (*ashlsi3_cmp_zext): Likewise.
4727 (*ashlhi3_cmp): Likewise.
4728 (*ashlhi3_cconly): Likewise.
4729 (*ashlqi3_cmp): Likewise.
4730 (*ashlqi3_cconly): Likewise.
4731 (*ashrdi3_cmp_rex64): Likewise.
4732 (*ashrdi3_cconly_rex64): Likewise.
4733 (*ashrsi3_cmp): Likewise.
4734 (*ashrsi3_cconly): Likewise.
4735 (*ashrsi3_cmp_zext): Likewise.
4736 (*ashrhi3_cmp): Likewise.
4737 (*ashrhi3_cconly): Likewise.
4738 (*ashrqi3_cmp): Likewise.
4739 (*ashrqi3_cconly): Likewise.
4740 (*lshrdi3_cmp_rex64): Likewise.
4741 (*lshrdi3_cconly_rex64): Likewise.
4742 (*lshrsi3_cmp): Likewise.
4743 (*lshrsi3_cconly): Likewise.
4744 (*lshrsi3_cmp_zext): Likewise.
4745 (*lshrhi3_cmp): Likewise.
4746 (*lshrhi3_cconly): Likewise.
4747 (*lshrqi2_cmp): Likewise.
4748 (*lshrqi2_cconly): Likewise.
4750 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4753 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4754 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4755 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4756 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4757 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4758 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4759 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4760 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4761 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4762 implement only CC setting effects of shift instructions.
4764 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4766 * doc/contrib.texi: Add myself.
4768 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4771 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4772 was set by the user.
4774 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4777 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4778 (divsi_inv_m1): Use them.
4779 (UNSPEC_DIV_INV_TABLE): New constant.
4781 2006-09-06 James E Wilson <wilson@specifix.com>
4784 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4785 then call count_or_remove_death_notes.
4787 2006-09-06 Jason Merrill <jason@redhat.com>
4790 * tree-inline.c (copy_result_decl_to_var): New fn.
4791 (declare_return_variable): Use it. Call declare_inline_vars here.
4792 (expand_call_inline): Not here.
4794 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4796 * doc/contrib.texi: Update my entry.
4798 2006-09-06 Nick Clifton <nickc@redhat.com>
4800 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4802 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4805 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4806 (canonicalize_induction_variables): Likewise.
4807 (tree_unroll_loops_completely): Likewise.
4808 (tree_ssa_prefetch_arrays): Likewise.
4809 (remove_empty_loops): Likewise.
4810 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4811 TODO_cleanup_cfg instead of directly calling
4812 cleanup_tree_cfg_loop.
4813 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4815 (tree_unroll_loops_completely): Likewise.
4816 (remove_empty_loops): Likewise.
4817 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4818 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4819 of tree_ssa_unswitch_loops.
4820 (tree_ssa_loop_ivcanon): Use the return value of
4821 canonicalize_induction_variables.
4822 (tree_ssa_empty_loop): Use the return value of
4824 (tree_complete_unroll): Use the return value of
4825 tree_unroll_loops_completely.
4826 (tree_ssa_loop_prefetch): Use the return value of
4827 tree_ssa_prefetch_arrays.
4828 * passes.c (execute_todo): Before Cleanup CFG, set
4829 updating_used_alone and after cleanup CFG, call
4830 recalculate_used_alone.
4832 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4835 * tree-vect-transform.c (vectorizable_condition): Move the check
4836 for the type after the check for simple condition.
4838 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4839 Kaz Kojima <kkojima@gcc.gnu.org>
4842 * mode-switching.c (optimize_mode_switching): Make the destination
4843 block of an abnormal edge have no anticipatable mode. Don't
4844 insert mode switching code at the end of the source block of
4847 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4849 PR rtl-optimization/26847
4850 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4851 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4852 (simplify_plus_minus): Count n_constants while filling ops. Replace
4853 qsort with insertion sort. Before going through the array to simplify
4854 pairs, sort it. Delay early exit until after the first sort, exiting
4855 only if no swaps occurred. Simplify pairs in reversed order, without
4856 special-casing the first iteration. Pack ops after simplifying pairs.
4858 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4860 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4861 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4862 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4863 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4865 2006-09-05 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/28900
4868 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4869 compound conditional before creating COND_EXPR condition.
4871 2006-09-05 Richard Guenther <rguenther@suse.de>
4873 PR tree-optimization/28905
4874 * tree-vrp.c (fix_equivalence_set): Manually implement
4875 !value_ranges_intersect_p to also handle symbolic ranges.
4877 2006-09-05 Richard Guenther <rguenther@suse.de>
4880 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4883 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4885 PR rtl-optimization/27616
4886 * cse.c (table_size): New static variable.
4887 (new_basic_block): Initialize it to 0.
4888 (remove_from_table): Decrement it.
4889 (insert): Increment it.
4890 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4891 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4892 fold_rtx_mem_1 if under the cap.
4893 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4894 the lookup of the equivalent expression and test for equality of the
4895 first operand of the equivalent expression before in turn looking up
4896 an equivalent constant for the second operand.
4898 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4901 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4902 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4903 pointer, instead of assuming it is possible to derive the
4904 correct args size from a call insn.
4906 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4909 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4910 (fold_builtin_mempcpy): Rename to...
4911 (fold_builtin_memory_op): ... this. Optimize one element copy
4913 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4915 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4916 (expand_builtin_memcpy, expand_builtin_mempcpy,
4917 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4918 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4919 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4920 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4922 2006-09-01 DJ Delorie <dj@redhat.com>
4924 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4925 (stzx_16): Likewise.
4926 ("stzx_24_<mode>"): Likewise.
4927 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4928 ("cmp<mode>_op"): New.
4929 (cmp<mode>): Change to expander; just save operands.
4931 (b<code>): Change to expander, emit compare here.
4932 (s<code>_op): Change to use split and expander.
4933 (s<code>_24_op): Likewise.
4934 (s<code>_<mode>): New.
4935 (s<code>_<mode>_24): New.
4936 (movqicc_<code>_<mode): New.
4937 (movhicc_<code>_<mode>): New.
4940 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4941 (m32c_pend_compare): New.
4942 (m32c_unpend_compare): New.
4943 (m32c_expand_scc): New.
4944 (m32c_expand_movcc): Emit the compare also.
4945 * config/m32c/predicates.md (mra_nopp_operand): New.
4947 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4948 Richard Guenther <rguenther@suse.de>
4949 Adam Nemet <anemet@caviumnetworks.com>
4952 * builtins.c (get_pointer_alignment): Handle more forms
4953 of base addresses that can be used to derive more precise
4954 information about alignment.
4956 2006-09-01 Jason Merrill <jason@redhat.com>
4959 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4962 * gimplify.c (voidify_wrapper_expr): Handle null type.
4964 2006-09-01 Josh Conner <jconner@apple.com>
4967 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4968 (execute_return_slot_opt): Use it.
4970 2006-08-31 Josh Conner <jconner@apple.com>
4973 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4974 returning aggregates.
4976 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR tree-optimization/28839
4979 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4980 blocks in that phi arguments appear.
4982 2006-08-31 Roger Sayle <roger@eyesopen.com>
4985 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4986 NULL, otherwise use an advance_loc4 to adjust relative to the
4988 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4989 (dwarf2out_switch_text_section): Reset the current label to avoid
4990 using advance_loc4 over section boundaries.
4992 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4995 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4996 r12 + SYMBOLIC_CONST.
4998 2006-08-30 Richard Guenther <rguenther@suse.de>
5000 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5002 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5004 PR rtl-optimization/27735
5005 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5006 Add new argument to keep track of whether an irreducible region
5007 was affected. All callers changed.
5008 (fix_irreducible_loops): Removed.
5009 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5010 flags were invalidated.
5012 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5014 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5015 instead of SF operands.
5016 (*fop_df_comm_sse): Likewise.
5017 (*fop_df_comm_i387): Likewise.
5018 (*fop_df_1_mixed): Likewise.
5019 (*fop_df_1_sse): Likewise.
5021 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5022 J"orn Rennecke <joern.rennecke@st.com>
5024 PR tree-optimization/17506
5025 * tree-ssa.c (warn_uninit): If warning about a location outside of
5026 the current function, note where the variable was declared.
5028 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5030 PR tree-optimization/28411
5031 * double-int.c (double_int_div): Use double_int_divmod.
5032 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5033 double_int_mod, double_int_smod, double_int_umod): New functions.
5034 * double-int.h (double_int_divmod, double_int_sdivmod,
5035 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5037 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5039 (get_computation_aff, get_computation_cost_at): Handle double_int
5040 return type of constant_multiple_of.
5042 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5045 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5046 an implicit conversion.
5048 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5050 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5052 2006-08-27 Roger Sayle <roger@eyesopen.com>
5054 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5057 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5059 * config/i386/crtfastmath.c: Fix a comment typo.
5061 2006-08-26 Roger Sayle <roger@eyesopen.com>
5063 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5064 temporary visit flags on CASE_LABEL_EXPRs.
5065 * c-common.c (match_case_to_enum): Add function comment. Avoid
5066 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5067 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5068 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5069 a constant, only warn if that constant value isn't handled.
5071 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5074 * input.h (restore_input_file_stack): Declare.
5075 (INPUT_FILE_STACK_BITS): Define.
5076 * toplev.c (fs_p, input_file_stack_history,
5077 input_file_stack_restored, restore_input_file_stack): New.
5078 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5079 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5080 (pop_srcloc): Don't free old state of stack.
5082 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5085 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5086 (PowerPC Type Attributes): New.
5088 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5090 * config/xtensa/xtensa.c (function_arg_boundary): New.
5091 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5093 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5094 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5096 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5099 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5102 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5104 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5105 (verify_local_live_at_start): Likewise.
5107 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5110 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5111 omp_add_variable): Treat sizes as variable whenever not
5114 2006-08-26 Richard Guenther <rguenther@suse.de>
5117 * fold-const.c (fold_binary): Fold temporary to correct
5118 type before constructing new comparison.
5120 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5123 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5124 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5126 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5129 * c-decl.c (start_function): Don't try to process prototype
5130 information from old declaration that isn't a function.
5132 2006-08-25 Jan Hubicka <jh@suse.cz>
5135 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5137 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5140 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5143 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5145 PR tree-optimization/16876
5146 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5147 exit if PARM doesn't match VALUE.
5149 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5151 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5152 literal_prefix directive.
5153 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5154 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5155 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5157 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5160 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5161 predicate to general_operand. Add 0->y and I->r alternatives.
5163 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5165 * doc/tm.texi: Fix a typo.
5166 * predict.c: Fix comment typos.
5168 2006-08-25 Nick Clifton <nickc@redhat.com>
5170 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5171 assertions of "cpu" and "machine".
5173 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5176 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5177 the access through a base which has an alias set of 0 cannot
5180 2006-08-24 Bill Wendling <wendling@apple.com>
5182 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5184 2006-08-24 Jan Hubicka <jh@suse.cz>
5186 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5188 2006-08-24 Jan Hubicka <jh@suse.cz>
5191 * cgraph.c: Fix comments.
5192 (cgraph_varpool_mark_needed_node): Mark only variables not already
5194 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5195 (cgraph_varpool_assembled_nodes_queue): New static variable.
5196 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5197 (cgraph_varpool_output_debug_info): New function.
5198 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5199 * Makefile.in: Add gt-cgraphunit.h
5201 2006-08-24 Jan Hubicka <jh@suse.cz>
5203 * predict.c (probability_reliable_p): New predicate.
5204 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5205 (predict_loops): Do not predict loop exit with less than 2%
5207 * basic-block.h (edge_probability_reliable_p,
5208 br_prob_note_reliable_p): Declare.
5209 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5210 prediction when static predictor is not reliable.
5211 * rs6000.c (output_cbranch): Likewise.
5213 2006-08-23 Stuart Hastings <stuart@apple.com>
5216 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5217 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5219 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5222 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5223 complex values, nor for generic vector values.
5225 2006-08-22 Richard Guenther <rguenther@suse.de>
5228 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5229 parameter. Convert arguments to arithmetic expression to the
5231 (analyze_scalar_evolution_1): Adjust caller.
5233 2006-08-22 Jan Hubicka <jh@suse.cz>
5235 Patch by Paolo Bonzini
5236 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5239 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5241 PR tree-optimization/28003
5242 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5243 before grouping aliases.
5245 2006-08-22 Roger Sayle <roger@eyesopen.com>
5247 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5248 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5250 2006-08-21 Jason Merrill <jason@redhat.com>
5253 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5254 wrapper. Loop to handle nested wrappers.
5255 (gimplify_bind_expr): Remove temp parameter.
5256 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5257 and STATEMENT_LIST on the rhs.
5258 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5259 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5260 (gimplify_target_expr): Remove special BIND_EXPR handling.
5262 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5264 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5267 2006-08-21 Olivier Hainque <hainque@adacore.com>
5269 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5270 Arrange for the temporary captures of components overlapping the lhs
5271 to happen before the lhs is possibly cleared.
5273 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5275 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5276 necessary places to pass the correct "number of registers" values
5279 2006-08-20 Jan Hubicka <jh@suse.cz>
5281 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5282 (create_name_tags): Instead of quadratic checking use hashtable.
5283 * bitmap.h: Include hashtab.h.
5284 (bitmap_hash): Declare.
5285 * bitmap.c (bitmap_hash): New function.
5287 2006-08-20 Jan Hubicka <jh@suse.cz>
5289 PR rtl-optimization/28071
5290 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5292 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5293 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5294 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5295 cgraph_decide_inlining_incrementally): Update use of
5296 cgraph_check_inline_limits.
5297 * cgraph.c (edge_hash, edge_eq): New function.
5298 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5299 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5300 cgraph_remove_node): Maintain call site hash.
5301 * cgraph.h (struct cgraph_node): Add call_site_hash.
5302 (cgraph_set_call_stmt): New function.
5304 2006-08-20 Jan Hubicka <jh@suse.cz>
5306 PR rtl-optimization/28071
5307 * reload1.c (reg_has_output_reload): Turn into regset.
5308 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5309 choose_reload_regs, emit_reload_insns): Update to new
5310 reg_has_output_reload.
5312 2006-08-20 Jan Hubicka <jh@suse.cz>
5315 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5316 function body sizes.
5317 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5319 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5322 * tree.c (handle_dll_attribute): Return early if not a
5323 var or function decl.
5325 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5328 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5329 alignment of SPE vector types.
5331 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5333 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5335 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5338 * cgraph.h (struct cgraph_node): Remove externally_visible
5340 * cgraphunit.c (process_function_and_variable_attributes): Set
5341 local.externally_visible rather than externally_visible.
5344 * c-common.c (handle_externally_visible_attribute): First look
5345 at TREE_CODE and only if it is function or var decl, check for
5346 non-public objects. Don't warn for DECL_EXTERNAL.
5347 * cgraphunit.c (process_function_and_variable_attributes): Warn
5348 if externally_visible attribute is used on non-public object.
5350 2006-08-17 Jan Hubicka <jh@suse.cz>
5352 PR tree-optimization/27865
5353 * reload1.c (forget_marked_reloads): New function.
5354 (forget_old_reloads_1): When data are passed, just mark the registers
5356 (reload_as_needed): Use the new mechanizm.
5358 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5361 * reload.h (reg_equiv_alt_mem_list): New declaration.
5362 * reload1.c (reg_equiv_alt_mem_list): New definition.
5363 (reload): Initialize it and release it.
5364 (delete_output_reload): Use it.
5365 * reload.c (push_reg_equiv_alt_mem): New function.
5366 (find_reloads_toplev): Call it.
5367 (find_reloads_address, find_reloads_address_1): Likewise.
5368 (find_reloads_subreg_address): Likewise.
5370 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5372 PR rtl-optimization/28489
5373 * sched-ebb.c (begin_schedule_ready): Create basic block
5375 (advance_target_bb): Skip empty blocks.
5376 * haifa-sched.c (bb_note): Make global.
5377 * sched-int.h (bb_note): Add prototype.
5379 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5381 PR tree-optimization/27865
5382 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5384 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5385 fold_used_pointer, pointer_used_p): New functions.
5386 (analyze_scalar_evolution_1): Use fold_used_pointer.
5387 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5388 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5391 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5394 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5395 or the INTEGER_CST. Fail on a CALL_EXPR.
5396 (fold_offsetof): Pass new argument to fold_offsetof_1.
5397 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5398 operand into an INDIRECT_REF.
5399 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5401 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5403 PR gcov/profile/26570
5404 * value-prof.c (static_values): Removed.
5405 (tree_find_values_to_profile): Do not set static_values.
5406 (find_values_to_profile): Do not free static_values.
5407 * profile.c (instrument_values): Do not free the values.
5408 (branch_prob): Free the values.
5410 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5412 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5414 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5417 * c-typeck.c (build_component_ref): Combine qualifiers of
5418 structure or union and field.
5420 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5422 PR rtl-optimization/28071
5423 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5424 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5425 * tree-into-ssa.c (struct dom_dfsnum): New.
5426 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5428 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5429 compute_global_livein.
5430 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5431 in phi nodes in the correct blocks.
5433 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5435 PR tree-optimization/28364
5436 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5438 (fold_affine_expr): New function.
5439 (may_eliminate_iv): Use fold_affine_expr.
5441 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5444 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5447 2006-08-16 Mike Stump <mrs@apple.com>
5449 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5450 * doc/cppopts.texi (-MD): Likewise.
5452 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5455 * c-common.c (handle_weak_attribute): Ignore and warn if
5456 not a FUNCTION_ or VAR_DECL.
5458 2006-07-15 Mike Stump <mrs@apple.com>
5461 * c-parser.c (c_parser_typeof_specifier): Don't use
5462 c_finish_expr_stmt, open code desired semantics instead.
5464 2006-08-15 Nick Clifton <nickc@redhat.com>
5466 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5467 fragment to tmake_file only if threads are enabled.
5468 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5469 * config/i386/t-gthr-win32: New file. ... here.
5471 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5474 * c-parser.c (c_parser_compound_statement_nostart): Reset
5475 parser->error after each statement.
5477 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5480 * omp-low.c (lower_omp_parallel): Convert t to
5481 receiver_decl's type.
5482 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5483 source before comparison.
5486 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5487 to itype in assignment to oldival2.
5489 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5493 * c-typeck.c (build_compound_expr): If the second expression
5494 is an error mark, then just return an error mark instead of
5495 creating a COMPOUND_EXPR.
5497 2006-07-14 Mike Stump <mrs@apple.com>
5499 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5501 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5503 * c-decl.c, var-tracking.c: Fix comment typos.
5505 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5507 PR rtl-optimization/28634
5508 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5509 for floating-point modes unless flag_unsafe_math_optimizations.
5511 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5512 Andrew Pinski <pinskia@physics.uc.edu>
5515 * tree.c (build_array_type): Unify array types with
5516 unspecified index_type.
5517 * c-decl.c (grokdeclarator): Make sure we do not modify a
5518 unified incomplete array type.
5519 * c-typeck.c (store_init_value): Create distinct type before
5520 filling in the index type in an initializer from a compound
5523 * c-decl.c (grokdeclarator): Remove code where we copy the
5526 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5528 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5529 into account for TODO_dump_cgraph.
5530 (TODO_update_ssa_no_phi): Likewise.
5531 (TODO_update_ssa_full_phi): Likewise.
5532 (TODO_update_ssa_only_virtuals): Likewise.
5533 (TODO_remove_unused_locals): Likewise.
5534 (TODO_set_props): Likewise.
5535 (TODO_update_stmt_usage): Likewise.
5537 2006-08-13 Dirk Mueller <dmueller@suse.de>
5539 * c-common.c (strict_aliasing_warning): Fix formatting.
5541 2006-08-13 Matthias Klose <doko@debian.org>
5543 * doc/invoke.texi: Fix spelling errors.
5545 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5547 PR rtl-optimization/23454
5548 * reorg.c (relax_delay_slots): Update comment.
5550 2006-08-11 Richard Guenther <rguenther@suse.de>
5553 * simplify-rtx.c (simplify_const_relational_operation):
5554 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5557 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5559 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5560 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5562 2006-08-10 Paul Brook <paul@codesourcery.com>
5564 * final.c (final_scan_insn): Clear current_insn_predicate before
5565 outputting inline asm.
5567 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5569 PR tree-optimization/26197
5570 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5571 get_ref_base_and_extent and overlap_subvar to add only relevant
5572 subvars as may-aliases.
5573 (add_may_alias_for_new_tag): New function, factored out of
5575 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5576 with additional argument.
5577 * tree-flow.h (new_type_alias): Takes additional argument.
5579 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5581 * gcov.c (no_data_file): New flag.
5582 (read_count_file): Set it if data file not present. Assume counts
5584 (output_lines): Don't name the data file, if there wasn't one.
5586 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5588 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5589 (rs6000_generate_compare): Tweak comments.
5590 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5592 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5594 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5595 (var_debug_decl): New function.
5596 (var_reg_set): Follow debug decl link. Add location even if
5597 reg is already known to hold some other variable.
5598 (var_mem_set): Follow debug decl link.
5599 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5600 decl link. Delete other known locations of the variable part
5602 (var_reg_delete, var_mem_delete): Delete other known locations
5603 of the variable part if requested.
5604 (same_variable_part_p): New function.
5605 (add_stores): Select MO_COPY when appropriate.
5606 (vt_initialize): Handle it.
5607 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5608 known locations for MO_SET and MO_CLOBBER.
5609 (find_variable_location_part): New function.
5610 (set_variable_part, delete_variable_part): Use it.
5611 (clobber_variable_part): New function.
5612 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5615 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5617 PR tree-optimization/26969
5618 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5619 with an empty list of PHIs.
5621 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5625 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5628 2006-08-06 Andreas Schwab <schwab@suse.de>
5630 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5631 string. Whitespace and comment fixup.
5633 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5636 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5640 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5643 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5645 2006-08-04 Jan Hubicka <jh@suse.cz>
5649 * reload.c (push_reload): Patch out the mismatching instruction;
5651 (find_reload): Bail out if the instruction was patched out.
5653 2006-08-04 Jan Hubicka <jh@suse.cz>
5655 PR tree-optimization/24888
5656 * tree-inline.c (expand_call_inline): Do not re-record variables.
5657 (declare_inline_vars): Add variable to unexpanded_var_list.
5659 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5660 Roger Sayle <roger@eyesopen.com>
5662 PR rtl-optimization/26244
5663 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5664 inner_const are negative or greater than or equal to the bitsize of
5665 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5666 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5667 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5668 CONST0_RTX (mode) when the new shift count is greater than or equal to
5669 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5672 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5674 * tree-cfg.c: Fix a comment typo.
5676 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5679 * varasm.c (output_constant): Give the front end another chance to
5680 expand constants, after stripping NOPs.
5682 2006-08-03 Jan Hubicka <jh@suse.cz>
5684 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5687 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5689 PR tree-optimization/27770
5690 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5691 declaration removed (moved to tree-flow.h).
5692 (vect_can_force_dr_alignment_p): Likewise.
5693 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5694 (moved from tree-vectorizer.h).
5695 (vect_can_force_dr_alignment_p): Likewise.
5696 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5697 from outside the vectorizer - in particular from cgraph stage.
5698 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5699 the alignment of global arrays when -fsection-anchors is enabled.
5700 * cgraphunit.c (cgraph_increase_alignment): New function.
5701 (cgraph_optimize): Call cgraph_increase_alignment.
5703 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5706 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5707 not reload a SPE symbol_ref into a lo_sum address.
5709 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5712 * dwarf2out.c (prune_unused_types_prune): Move call to
5713 prune_unused_types_update_strings to cover the parent DIE also.
5715 2006-08-02 Jan Hubicka <jh@suse.cz>
5717 PR gcov/profile/28480
5718 * tree-cfg.c (change_bb_for_stmt): New function.
5719 (tree_merge_blocks, tree_split_blocks): Use it.
5721 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5727 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5728 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5729 (cgraph_optimize): Likewise.
5731 2006-08-01 Stuart Hastings <stuart@apple.com>
5733 * rtl.h (UINTVAL) New.
5734 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5735 * testsuite/gcc.dg/20060801-1.c: New.
5737 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5740 * c-typeck.c (build_external_type): Mark used enum types.
5741 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5743 (gen_subprogram_die): Whitespace fix.
5745 2006-08-01 Jan Hubicka <jh@suse.cz>
5747 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5748 bitmap when not needed.
5749 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5752 2006-08-01 Dirk Mueller <dmueller@suse.de>
5754 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5756 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5758 * Makefile.in: Revert part of previous patch:
5759 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5762 2006-07-30 Eric Christopher <echristo@apple.com>
5765 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5766 (PowerPC Variable Attributes): New section.
5768 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5770 PR target/28126 (partial fix)
5771 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5773 2006-07-28 Jan Hubicka <jh@suse.cz>
5775 PR rtl-optimization/28071
5776 * cfgrtl.c (rtl_delete_block): Free regsets.
5777 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5779 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5781 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5782 and variables used in dependencies.
5784 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5786 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5787 %fs for -mcmodel=kernel.
5788 (stack_tls_protect_test_di): Likewise.
5790 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5792 * Makefile.in: Use mkinstalldirs.
5794 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5797 * opts-common.c (prune_options): Skip joined switches.
5799 2006-07-27 Jan Hubicka <jh@suse.cz>
5801 PR rtl-optimization/28071
5802 * cselib.c (cselib_process_insn): Don't remove useless values too
5803 often for very large hashtables.
5805 2006-07-27 Jan Hubicka <jh@suse.cz>
5807 PR rtl-optimization/28071
5808 * global.c (greg_obstack): New obstack.
5809 (allocate_bb_info): Use it.
5810 (free_bb_info): Likewise.
5811 (modify_reg_pav): Likewise.
5813 2006-07-27 Roger Sayle <roger@eyesopen.com>
5815 * builtins.c (fold_fixed_mathfn): When long and long long are the
5816 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5817 functions to their lceil*, lfloor*, lround* and lrint* forms.
5819 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5822 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5824 (rev_branch_insn): Likewise.
5826 2006-07-27 Jan Hubicka <jh@suse.cz>
5828 PR rtl-optimization/28071
5829 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5830 (reg_set_in_bb, max_reg_computed): New static variables.
5831 (regmove_optimize): Free the new array.
5832 (fixup_match_1): Update call of reg_is_remote_constant_p.
5834 2006-07-26 Jan Hubicka <jh@suse.cz>
5836 PR tree-optimization/27882
5837 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5839 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5841 (cgraph_analyze_compilation_unit): Likewise.
5842 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5843 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5844 (cgraph_early_inlinine): Make order garbage collected.
5845 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5847 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5849 * dbxout.c (output_types_sort): Add a comment.
5850 (output_used_types): Free the VEC.
5852 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5854 * function.c (reorder_fix_fragments): Delete.
5855 (reorder_blocks): Don't call it.
5856 (reorder_blocks_1): Put all subblocks under the origin block.
5858 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5860 PR rtl-optimization/27907
5861 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5864 2006-07-25 Roger Sayle <roger@eyesopen.com>
5867 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5868 bar(x) check that bar's result type can represent all the values of T.
5870 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5872 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5874 2006-07-25 Nick Clifton <nickc@redhat.com>
5876 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5877 size_lookup[] array.
5878 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5879 (ggc_pch_count_object): Likewise.
5880 (ggc_pch_alloc_object): Likewise.
5881 (ggc_pch_write_object): Likewise.
5882 (init_ggc): Do not attempt to initialize entries in the
5883 size_lookup[] array for objects whose size is greater than than
5884 the length of the array.
5886 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5888 * dbxout.c (output_used_types_helper): Push queued types
5890 (output_types_sort): New.
5891 (output_used_types): Collect used types on a VEC and sort them
5894 2006-07-24 Richard Guenther <rguenther@suse.de>
5897 * cgraph.c (cgraph_remove_node): Do not check if dumps
5899 * cgraphunit.c (cgraph_optimize): Likewise.
5901 2006-07-24 Jan Hubicka <jh@suse.cz>
5903 PR rtl-optimization/28071
5904 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5905 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5906 splitting before first stmt.
5908 2006-07-24 Jan Hubicka <jh@suse.cz>
5910 PR rtl-optimization/28071
5911 * ipa-inline.c (update_caller_keys): Remove edges that
5912 are no longer inline candidates.
5914 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5917 * dbxout.c (output_used_types_helper, output_used_types): New.
5918 (dbxout_symbol): Call output_used_types.
5920 2006-07-23 Jan Hubicka <jh@suse.cz>
5924 * cgraph.c (cgraph_varpool_nodes): Export.
5925 (decide_is_variable_needed): Ignored "used" attribute in
5926 unit-at-a-time mode.
5927 * cgraph.h (cgraph_varpool_nodes): Declare.
5928 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5929 unit-at-a-time mode.
5931 2006-07-23 Roger Sayle <roger@eyesopen.com>
5934 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5935 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5936 the __gthrw form of thr_keycreate.
5937 (__gthread_key_delete): Silence the unused argument warning.
5939 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5942 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5943 Cache the last found '\0' marker to avoid quadratic behavior.
5945 2006-07-23 Jan Hubicka <jh@suse.cz>
5947 * i386.md (subsi_3_zext): Fix output template.
5949 2006-07-21 Mike Stump <mrs@apple.com>
5951 * doc/invoke.texi (C++ Dialect Options): Note that
5952 -fvisibility-inlines-hidden doesn't affect explicitly
5953 instantiationed inline methods.
5955 2006-07-20 Roger Sayle <roger@eyesopen.com>
5957 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5958 if the target assembler is GNU binutils' gas.
5959 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5960 whether to pass GNU gas or native as command line options.
5962 2006-07-20 Jason Merrill <jason@redhat.com>
5964 * tree.c (remove_attribute): New fn.
5965 * tree.h: Declare it.
5967 2006-07-20 Paul Brook <paul@codesourcery.com>
5970 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5971 they are invalidated by this instruction.
5973 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5976 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5978 2006-07-20 Eric Christopher <echristo@apple.com>
5981 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5983 2006-07-19 Eric Christopher <echristo@apple.com>
5985 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5986 Rewrite dependencies for libgcc_s.1.dylib.
5988 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5990 * except.c (duplicate_eh_regions_1): Clear next_peer.
5992 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5994 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5995 -mlongcall does not guarantee all calls will be long.
5996 * doc/extend.texi (long_call/short_call): Document that longcall
5997 does not guarantee a long call will be used.
5998 (longcall/shortcall): Likewise.
6000 2006-07-18 Roger Sayle <roger@eyesopen.com>
6003 * expmed.c (expand_shift): Additionally check that the shift_cost
6004 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6005 before implementing a LSHIFT_EXPR as a sequence of additions.
6006 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6007 middle-end that DImode shifts need to be synthesized by expand.
6009 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6012 * tree-ssa-operands.c (access_can_touch_variable): Update
6014 Return true if ALIAS is .GLOBAL_VAR.
6016 2006-07-18 David Daney <ddaney@avtrex.com>
6018 * gcc.c (display_help): Fix typo in help text.
6020 2006-07-18 Olivier Hainque <hainque@adacore.com>
6022 * tree.h (categorize_ctor_elements): Adjust prototype and add
6023 descriptive comment, both in accordance with the interface change
6025 * varasm.c (constructor_static_from_elts_p): New function.
6026 Whether a constructor node is a valid static constant initializer
6027 if all its elements are.
6028 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6029 * output.h: Declare it.
6030 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6031 is a valid constant initializer instead of computing the number of
6032 non-constant elements. Use constructor_static_from_elts_p for this
6033 purpose. Replace the head comment with an indication that this is a
6034 helper for categorize_ctor_elements.
6035 (categorize_ctor_elements): Same interface change as for the _1
6036 helper. Former head comment from this helper moved here, adjusted to
6037 account for the interface changes.
6038 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6039 (all_zeros_p): Likewise.
6040 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6041 static versions of the constructor from the categorize_ctor_elements
6042 return value instead of the formerly computed number of non-constant
6045 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6047 * configure: Regenerate.
6048 * Makefile.in (build_libsubdir): New configure substitution
6049 (build_libobjdir): New variable.
6050 (BUILD_LIBIBERTY): Use it.
6052 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6055 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6057 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6060 * c-common.c (handle_weakref_attribute): Ignore attribute in
6061 the same conditions the alias attribute is ignored.
6063 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6065 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6066 (dbxout_begin_prologue): Increment scope_labelno.
6068 2006-07-17 Richard Henderson <rth@redhat.com>
6071 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6074 2006-07-17 Roger Sayle <roger@eyesopen.com>
6075 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6077 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6078 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6079 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6080 functions such as sbrk, write, etc.. Add function prototypes.
6081 Convert function declarations from K&R to ISO C. Cast pointers
6082 to "long" and "unsigned long" instead of "int" and "unsigned int".
6083 Convert tokens following #endif into comments.
6085 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6087 * invoke.texi: Remove mention of f77; Reformat table for
6088 inline parameter options correctly; mention that -malign-double
6089 is default on x86-64 targets.
6091 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6093 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6094 (convert_affine_scev, chrec_convert_aggressive): Use
6095 avoid_arithmetics_in_type_p. Do not check for the subtypes
6098 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6101 * optabs.c (expand_doubleword_shift): Wrap the call to
6102 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6104 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6107 * optabs.c (expand_binop): Pass next_methods rather than methods
6108 to expand_doubleword_shift.
6110 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6113 * tree.h (dump_addr): Declare.
6114 * print-tree.c (dump_addr): New function.
6115 (print_node_brief, print_node): Use it.
6116 * print-rtl.c (print_rtx): Likewise.
6117 * common.opt (-fdump-noaddr): New option.
6118 * doc/invoke.texi (-fdump-noaddr): Document.
6119 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6120 (ve_info_hash): Likewise.
6122 2006-07-13 Andrew Haley <aph@redhat.com>
6124 PR tree-optimization/19505
6125 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6126 edge leaving this block, make sure that the destination of this
6127 block has only one predecessor.
6129 2006-07-17 Richard Guenther <rguenther@suse.de>
6131 PR tree-optimization/28238
6132 * tree-inline.c (copy_bb): Check if we produced valid
6133 gimple copying and substituting a stmt. If not, gimplify
6136 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6138 * optabs.c (maybe_encapsulate_block): New function extracted from...
6139 (emit_libcall_block): ...here. Invoke it on the block of insns to
6140 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6141 (emit_no_conflict_block): Likewise.
6143 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6145 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6147 2006-07-15 Roger Sayle <roger@eyesopen.com>
6149 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6150 a new NOP_EXPR case of the switch statement.
6152 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6155 * stor-layout.c (place_field): Take the bit field with
6156 an excessive size into account in the ms-bitfiled case.
6159 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6160 the previous bit field.
6162 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6165 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6167 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6169 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6170 signal frames correctly even when the signal was installed with
6173 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6175 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6176 (dbxout_function_end): Use local label LFBB. Remove hook
6178 (dbxout_source_line): Use local label LFBB.
6179 (dbxout_block): Likewise.
6180 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6181 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6182 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6183 and DBX_OUTPUT_NFUN.
6185 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6187 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6189 2006-07-13 Jan Hubicka <jh@suse.cz>
6191 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6193 * output.h (align_variable): Declare.
6194 * varasm.c (align_variable): Export.
6195 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6196 when basic block changed.
6198 2006-07-13 Nick Clifton <nickc@redhat.com>
6200 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6201 walking the LOG_LINKS chain.
6203 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6205 * doc/invoke.texi (C++ Dialect Options): Explain difference
6206 between -fvisibility-inlines-hidden and setting hidden
6207 visibility explicitly.
6209 2006-07-12 Eric Christopher <echristo@apple.com>
6211 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6212 (stmp-lipo): Depend on libgcc.a.
6214 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6216 * tree.c: Fix a comment typo.
6218 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6220 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6222 (umulhisi3_r): Likewise.
6224 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6227 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6228 x < 19, vs wchar_t support.
6230 2006-07-12 Nick Clifton <nickc@redhat.com>
6232 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6233 instead of -isa=sh4.
6235 2006-07-12 Mike Stump <mrs@apple.com>
6237 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6239 2006-07-10 Eric Christopher <echristo@apple.com>
6241 * config/t-slibgcc-darwin: Rewrite.
6243 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6246 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6249 2006-07-08 Matthias Klose <doko@debian.org>
6251 * doc/sourcebuild.texi: Fix typo.
6253 2006-07-07 Mike Stump <mrs@apple.com>
6255 * toplev.c (process_options): Don't give -ffunction-sections may
6256 affect debugging warning for Mach-O.
6258 2006-07-07 James E Wilson <wilson@specifix.com>
6260 * config/mips/mips.md (cpu): Add sb1a.
6261 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6262 addition to sb1. Adjust comments to clarify SB-1A differences from
6264 (ir_sb1a_load): New. Modify bypasses to use it.
6265 (ir_sb1a_simple_alu): Likewise.
6266 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6267 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6268 (mips_issue_rate): Add PROCESSOR_SB1A.
6269 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6270 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6271 (TARGET_SB1): Add PROCESSOR_SB1A check.
6272 (TUNE_SB1): Likewise.
6274 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6275 * config/mips/mips.c (mips_store_data_bypass_p): New.
6276 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6277 store_data_bypass_p.
6279 2006-07-08 Paul Brook <paul@codesourcery.com>
6282 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6284 2006-07-07 Richard Guenther <rguenther@suse.de>
6287 * tree.h (build_one_cst): Declare.
6288 * tree.c (build_one_cst): New function.
6289 * tree-ssa-math-opts.c (get_constant_one): Remove.
6290 (insert_reciprocals): Use build_one_cst.
6291 * fold-const.c (fold_plusminus_mult): Likewise.
6293 2006-07-07 Roger Sayle <roger@eyesopen.com>
6295 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6296 * cfgloopanal.c (dump_graph): Likewise.
6297 * dojump.c (discard_pending_stack_adjust): Likewise.
6298 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6300 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6301 * function.c (finalize_block_changes): Likewise.
6302 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6303 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6304 * rtl.c (dump_rtx_statistics): Likewise.
6305 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6307 * varray.c (dump_varray_statistics): Likewise.
6308 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6309 decode_decimal64, encode_decimal128, decode_decimal128,
6310 decimal_real_to_decimal): Likewise.
6312 2006-07-07 Richard Guenther <rguenther@suse.de>
6314 PR tree-optimization/28187
6315 * tree-vrp.c (vrp_operand_equal_p): New function.
6316 (vrp_bitmap_equal_p): Likewise.
6317 (update_value_range): Use them to compare old and new
6320 2006-07-06 Roger Sayle <roger@eyesopen.com>
6322 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6323 a default case to switch statement to silence compiler warnings.
6325 2006-07-06 Roger Sayle <roger@eyesopen.com>
6328 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6329 the configured assembler supports the x87's ffreep mnemonic.
6330 * configure: Regenerate.
6331 * config.in: Regenerate.
6333 * config/i386/i386.c (output_387_ffreep): New function.
6334 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6335 (output_387_reg_move): Likewise.
6337 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6339 Port to hosts whose 'sort' and 'tail' implementations
6340 treat operands with leading '+' as file names, as POSIX
6341 has required since 2001. However, make sure the code still
6342 works on pre-POSIX hosts.
6343 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6344 which says you should use "tail -c +N" rather than "tail +Nc".
6345 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6347 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6349 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6352 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6355 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6356 PRE_{INC,DEC} of TFmode.
6358 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6359 Alan Modra <amodra@bigpond.net.au>
6362 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6365 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6368 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6369 Remove duplicate gtu.
6371 2006-07-05 Jason Merrill <jason@redhat.com>
6375 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6376 * c-common.c (handle_packed_attribute): So don't copy it here.
6377 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6379 2006-07-05 Mike Stump <mrs@apple.com>
6381 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6383 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6386 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6388 2006-07-05 Richard Guenther <rguenther@suse.de>
6391 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6392 TARGET_SSE2 targets if using SSE math.
6393 (*absdf2_1): Likewise.
6395 2006-07-05 Richard Guenther <rguenther@suse.de>
6397 PR tree-optimization/28162
6398 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6399 make sure to convert the operands to the correct type.
6401 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6403 PR tree-optimization/28218
6405 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6406 to calculate and free the dominator information.
6408 2006-07-04 Peter O'Gorman <peter@pogma.com>
6410 * mklibgcc.in: chmod 644 before ranlib during install.
6412 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6413 J"orn Rennecke <joern.rennecke@st.com>
6415 * configure.ac (.eh_frame data check): Use diff -b.
6417 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6420 * Makefile.in (BUILD_RTL): Add build/vec.o.
6421 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6422 (build/genextract): Delete.
6423 (build/genautomata): Likewise.
6425 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6428 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6429 128-bit IBM long doubles for ABI_V4.
6431 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6433 * tree.c (range_in_array_bounds_p): New predicate.
6434 * tree.h (range_in_array_bounds_p): Declare it.
6435 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6436 return a less conservative answer.
6437 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6438 and flag 'is_group'.
6439 (IS_ELEMENT_FOR_GROUP): New macro.
6440 (FOR_EACH_ACTUAL_CHILD): Likewise.
6441 (next_child_for_group): New helper function.
6442 (can_completely_scalarize_p): Take into account groups.
6443 (sra_hash_tree): Handle RANGE_EXPR.
6444 (sra_elt_eq): Likewise.
6445 (lookup_element): Be prepared for handling groups.
6446 (is_valid_const_index): Delete.
6447 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6448 instead of is_valid_const_index.
6449 <ARRAY_RANGE_REF>: New case.
6450 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6451 is_valid_const_index.
6452 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6453 (scan_dump): Dump info for groups too.
6454 (decide_instantiation_1): Likewise.
6455 (decide_block_copy): Assert that the element is not a group.
6456 Propagate decision to groups.
6457 (generate_one_element_ref): Handle RANGE_EXPR.
6458 (mark_no_warning): Iterate over actual childs.
6459 (generate_copy_inout): Likewise.
6460 (generate_element_copy): Likewise.
6461 (generate_element_zero): Likewise.
6462 (generate_element_init_1): Likewise.
6463 (dump_sra_elt_name): Handle RANGE_EXPR.
6465 2006-07-03 Roger Sayle <roger@eyesopen.com>
6467 PR tree-optimization/26251
6468 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6469 (thread_block): When optimizing for size refuse to thread jumps
6470 that would require duplication of blocks other than redirection
6473 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6475 * configure.ac: Fix thinko in previous check-in.
6476 * configure: Regenerate.
6478 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6481 * configure.ac (for lang...): Simplify nesting of conditionals.
6482 Test subdir_requires for non-enabled languages. Move processing
6483 of lang_opt_files and lang_tree_fiels below that test.
6484 * configure: Regenerate.
6485 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6487 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6489 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6491 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6493 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6496 2006-06-29 Jason Merrill <jason@redhat.com>
6503 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6504 * c-common.c (c_determine_visibility): Handle it here.
6505 * c-decl.c (finish_decl): Call c_determine_visibility for
6507 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6509 * varasm.c (default_assemble_visibility): Likewise.
6510 * c-common.c (handle_visibility_attribute): Complain about trying
6511 to give visibility to an already defined class, or trying to change
6512 declared visibility. Always attach the attribute.
6517 * attribs.c (decl_attributes): Ignore type-in-place attributes
6518 once the type has been defined.
6520 2006-06-29 Roger Sayle <roger@eyesopen.com>
6523 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6524 to indicate the cpplib has issued an error message for us.
6526 2006-06-29 Asher Langton <langton2@llnl.gov>
6529 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6530 insert a label at the end of an function under Mach-O.
6532 2006-06-29 Eric Christopher <echristo@apple.com>
6533 Evan Cheng <evan.cheng@apple.com>
6535 * predicates.md (vector_all_ones_operand): New.
6536 (nonimmediate_or_sse_const_operand): Ditto.
6537 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6538 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6539 (standard_sse_mode_p): Ditto.
6540 (standard_sse_constant_p): Add case for -1 vector.
6541 (ix86_expand_vector_move): Try to use.
6542 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6543 Call standard_sse_constant_opcode.
6544 (*movv4sf_internal): Ditto.
6545 (*movv2df_internal): Ditto.
6547 2006-06-29 Roger Sayle <roger@eyesopen.com>
6549 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6550 of XEXP to extract the operands of a MATCH_CODE rtx.
6552 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6554 * tree.c (tree_size): Do not waste tail padding in
6555 struct tree_string and make the size be the same as
6556 build_string will generate.
6558 2006-06-28 Jason Merrill <jason@redhat.com>
6561 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6562 may_aliases already in the tag's annotations to the bitmap.
6564 2006-06-28 Roger Sayle <roger@eyesopen.com>
6566 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6568 2006-06-28 Roger Sayle <roger@eyesopen.com>
6570 * genpreds.c (generate_switch_p): New function.
6571 (add_mode_tests): Push the new mode test down inside an AND expr
6572 if this allows the switch-suitable MATCH_CODE to be near the root.
6573 (write_match_code_switch): New function to write a MATCH_CODE as
6575 (write_predicate_stmts): New function to write a predicate RTX
6576 expression as a sequence of statements.
6577 (write_one_predicate_function): Use write_predicate_stmts.
6578 (write_tm_constrs_h): Likewise.
6580 2006-06-26 Fred Fish <fnf@specifix.com>
6582 * config/mips/t-sb1: New file.
6583 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6586 2006-06-26 DJ Delorie <dj@redhat.com>
6588 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6590 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6591 Jayant Sonar <jayants@kpitcummins.com>
6592 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6594 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6595 (subsi3, subsi3_1, subsi3_2): New.
6596 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6597 * config/m32c/mov.md (SI mov peephole): New.
6598 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6599 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6601 2006-06-26 Olivier Hainque <hainque@adacore.com>
6603 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6604 a CALL_EXPR target function declaration.
6606 2006-06-26 Richard Guenther <rguenther@suse.de>
6608 * tree.c (build_string): Do not waste tail padding in
6611 2006-06-26 Richard Guenther <rguenther@suse.de>
6613 * ggc-page.c (init_ggc): Add missing element to size_lookup
6617 2006-06-23 Richard Guenther <rguenther@suse.de>
6619 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6620 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6621 alignment requests instead. Add verification code.
6622 Add struct tree_function_decl and struct tree_binfo size to
6623 extra_order_size_table. Add missing element to size_lookup
6626 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6629 * fold-const.c (const_binop): Be prepared for self returning zero.
6630 Simplify code handling complex values.
6632 2006-06-24 Olivier Hainque <hainque@adacore.com>
6634 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6635 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6638 2006-06-24 Olivier Hainque <hainque@adacore.com>
6640 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6641 ARRAY_REF, so have the callback called for the low bound expression.
6643 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6645 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6646 * c-typeck.c (c_common_type): Disallow operations on decimal float
6647 types and other float types.
6648 * convert.c (convert_to_real): Don't ignore conversions involving
6649 decimal float types.
6651 2006-06-23 Olivier Hainque <hainque@adacore.com>
6653 * tree.c (max_int_size_in_bytes): New function, inspired from
6654 code in function.c:assign_temp.
6655 * tree.h (max_int_size_in_bytes): Declare.
6656 * function.c (assign_temp): Use it.
6657 * gimplify.c (create_tmp_var): Relax the assertions on the type
6658 properties, not mandating constant size any more.
6659 (force_constant_size): New static function.
6660 (gimple_add_tmp_var): Use it, forcing variable size to a
6661 constant upper bound if it is not constant on entry.
6663 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6666 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6667 for initialization and setting of one_only flag to ...
6668 (i386_pe_encode_section_info): ...here.
6669 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6670 Recheck that the symbol has not been defined.
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 2006-06-22 Roger Sayle <roger@eyesopen.com>
6682 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6685 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6686 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6688 2006-06-23 Ben Elliston <bje@au.ibm.com>
6690 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6691 negate dn -- manipulate it directly.
6693 2006-06-22 Roger Sayle <roger@eyesopen.com>
6694 Steven Bosscher <stevenb.gcc@gmail.com>
6697 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6698 generated by gen_move_insn to add REG_LABEL notes if necessary.
6700 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6702 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6703 (leaf_entry): Remove use of MIN_ESA.
6705 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6707 PR rtl-optimization/28121
6708 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6711 2006-06-21 DJ Delorie <dj@redhat.com>
6713 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6715 (mulhisi3_r): Likewise.
6717 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6720 * coverage.c (coverage_counter_alloc): Leave the index type
6722 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6725 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6727 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6728 section from the "Options for Code Generation Conventions".
6730 2006-06-21 Richard Henderson <rth@redhat.com>
6734 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6736 (global_symbolic_operand): Allow weak symbols, even if local_p.
6738 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6740 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6741 (find_interesting_uses_address): Punt if above function returns true.
6743 2006-06-21 Richard Guenther <rguenther@suse.de>
6745 * configure: Regenerated.
6747 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6749 * config/mips/mips.c (function_arg): Where one part of a
6750 complex argument is in registers and the other part in the stack,
6751 return a REG not a PARALLEL.
6753 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6755 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6756 when cross-compiling. Do not substitute libstdcxx_incdir.
6757 * configure: Regenerated.
6759 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6761 * varasm.c (mergeable_string_section): Check for embedded NULs and
6762 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6763 rather than TREE_STRING_LENGTH bytes.
6765 2006-06-21 Richard Guenther <rguenther@suse.de>
6767 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6768 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6771 2006-06-21 Richrad Guenther <rguenther@suse.de>
6773 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6774 Limit iteration over the dominators.
6776 2006-06-20 Roger Sayle <roger@eyesopen.com>
6778 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6779 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6781 2006-06-20 Richard Guenther <rguenther@suse.de>
6782 Michael Matz <matz@suse.de>
6784 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6786 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6787 * et-forest.h (et_free_pools): Prototype new function.
6788 * et-forest.c (et_free_tree_force): Free parent occurrence.
6789 (et_free_pools): New function.
6790 * dominance.c (free_dominance_info): Free et-forest alloc
6793 2006-06-20 Roger Sayle <roger@eyesopen.com>
6795 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6796 integer modes, attempt to directly construct an integer constant.
6798 * fold-const.c (native_encode_vector): Determine the size of each
6799 element from the vector type instead of the first vector element.
6801 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6802 if all of its elements/components are constant.
6803 (build_constructor_from_list): Likewise.
6805 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6807 PR tree-optimization/27331
6808 * tree-data-ref.c (free_data_ref): New function.
6809 (create_data_ref): Fail if the data reference has unknown access
6811 (free_data_refs): Use free_data_ref.
6813 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6816 * tree-inline.c (setup_one_parameter): Strip useless
6817 type conversion before adding it to the IR.
6818 (declare_return_variable): Likewise.
6820 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6823 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6825 2006-06-19 Mike Stump <mrs@apple.com>
6827 * tree.c (variably_modified_type_p): VM arguments don't make the
6830 2006-06-19 Richard Guenther <rguenther@suse.de>
6832 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6833 type conversions after folding.
6835 2006-06-19 Richard Guenther <rguenther@suse.de>
6837 * ggc-page.c (extra_order_size_tab): Add entries with
6838 size of struct function and basic_block.
6839 (size_lookup): Extend to cover sizes up to 511.
6840 (ggc_alloc_stat): Adjust user.
6841 (ggc_pch_count_object): Likewise.
6842 (ggc_pch_alloc_object): Likewise.
6843 (ggc_pch_write_object): Likewise.
6845 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6847 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6848 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6851 2006-06-19 Denis Chertykov <denisc@overta.ru>
6853 * config/avr/libgcc.S : Correct my wrong previous commit.
6855 2006-06-19 Roger Sayle <roger@eyesopen.com>
6858 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6859 have stripped a SUBREG from the shift count, so we may need to
6860 convert_to_mode back to the type's mode before calling make_tree.
6861 Use new_amount instead of amount to avoid expanding a tree twice.
6863 2006-06-19 Richard Guenther <rguenther@suse.de>
6866 * fold-const.c (operand_equal_p): Check if the argument types
6867 have the same precision before stripping NOPs.
6869 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6871 Fix PR tree-optimization/27341
6872 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6874 * tree-complex.c (pass_lower_complex): Update SMT usage.
6876 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6878 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6879 Add a new alternative to the constraint strings. Add move of
6880 operand 1 to 3 to the splitter definition.
6881 ("doloop_si_long"): Second contraint alternative removed.
6883 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6885 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6886 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6888 (AVR_HAVE_MOVW) Define.
6889 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6890 (ASM_SPEC): Add avr25.
6891 (LINK_SPEC): Add avr25.
6892 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6893 (base_arch_s): Add new member 'have_movw_lpmx'.
6894 (avr_arch_types): Init 'have_movw_lpmx'.
6895 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6896 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6897 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6898 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6899 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6901 (avr_file_start): Do not output '.arh' derective.
6902 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6903 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6904 * config/avr/avr.md (mcu_enhanced): Delete.
6905 (mcu_have_movw): Define.
6906 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6907 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6908 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6909 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6910 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6911 attiny861 and at86rf401 devices.
6913 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6915 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6918 2006-06-17 Karl Berry <karl@gnu.org>
6920 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6921 doc/gccint.texi, doc/install.texi (@dircategory): Use
6922 "Software development" instead of "Programming", following
6923 the Free Software Directory.
6925 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6927 * config/i386/i386.c (legitimate_tls_address)
6928 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6929 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6930 (*tls_dynamic_gnu2_combine_64): Likewise.
6932 2006-06-16 Richard Guenther <rguenther@suse.de>
6935 * fold-const.c (negate_expr_p): Do not introduce undefined
6936 overflow in negating INTEGER_CSTs.
6937 (fold_negate_expr): Rename from negate_expr. Revert last
6938 change for folding BIT_NOT_EXPR. Change semantics to
6939 return NULL_TREE for non-simplified negations. Do not
6940 strip type conversions and unify type handling.
6941 (negate_expr): New function, wrap around fold_negate_expr
6942 but ensure building a tree always. Strip type conversions
6943 here, fold to result type.
6944 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6946 2006-06-16 Roger Sayle <roger@eyesopen.com>
6949 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6950 that (would) return their results in stack registers.
6952 2006-06-16 Michael Matz <matz@suse.de>
6953 Richard Guenther <rguenther@suse.de>
6955 * fold-const.c (fold_truthop): Only return new tree node if
6956 we canonicalized something.
6958 2006-06-16 Richard Guenther <rguenther@suse.de>
6960 * function.h (enum function_frequency): Move declaration
6961 out of struct function.
6962 (struct function): Move bool fields and the enum to the bitfield
6963 section. Reorder elements to avoid padding. Remove unused
6964 fields left over from the RTL inliner removal.
6965 * function.c (free_after_compilation): Do not zero removed fields.
6966 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6967 (ipa-type-escape.o): Likewise.
6969 2006-06-16 Richard Guenther <rguenther@suse.de>
6971 * cgraph.h (struct cgraph_local_info): Turn bool elements
6973 (struct cgraph_node): Likewise.
6974 (struct cgraph_varpool_node): Likewise.
6976 2006-06-15 Richard Guenther <rguenther@suse.de>
6978 * fold-const.c (fold_truth_not_expr): Rename from
6979 invert_truthvalue. Give it fold_* semantics to avoid
6981 (invert_truthvalue): New function. Wrapper around
6982 fold_truth_not_expr.
6983 (optimize_minmax_comparison): Avoid creating garbage.
6984 (fold_unary): Use fold_truth_not_expr for folding
6986 (fold_ternary): Replace uses of invert_truthvalue with
6987 fold_truth_not_expr where applicable.
6988 * tree.h (fold_truth_not_expr): Prototype.
6990 2006-06-16 Richard Guenther <rguenther@suse.de>
6992 PR tree-optimization/27781
6993 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6994 * ipa-pure-const.c (target.h): Include.
6995 (analyze_function): Do not analyze functions that do not
6998 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7001 * tree-dfa.c (referenced_vars_dup_list): Remove.
7002 (find_referenced_vars): Remove assert.
7003 (referenced_var_check_and_insert): Replace dup list with assert.
7004 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7005 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7007 2006-06-15 Richard Guenther <rguenther@suse.de>
7009 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7010 extra unused identifiers if not dumping.
7011 (create_variable_info_for): Likewise.
7013 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7015 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7016 (derive_constant_upper_bound): Derive more precise upper bound in
7017 common cases. Return type changed to double_int.
7018 (record_estimate): Reflect the changed return type of
7019 derive_constant_upper_bound.
7020 * double-int.c (double_int_zext, double_int_sext): Fix.
7022 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7024 * configure.ac (CFLAGS): Get them from the toplevel or from the
7025 configure invocation.
7026 * configure: Regenerate.
7027 * Makefile.in (CFLAGS): Substitute value provided by configure.
7029 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7032 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7033 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7034 rather than calling add_stmt on it.
7035 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7037 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7040 * reload1.c (reload): Remove registers returned by update_eliminables
7041 from used_spill_regs.
7043 2006-06-13 DJ Delorie <dj@redhat.com>
7045 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7047 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7049 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7050 html__strip_dir, html__mkdir_p. Enhance install-html target.
7051 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7052 * configure: Regenerate.
7054 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7056 * fold-const.c (fold_cond_expr_with_comparison): Check for
7057 Objective-C++ as language in deciding COND_EXPR transformation.
7059 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7062 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7063 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7064 * config/sh/lib1funcs.h (SL, SL1): Define.
7065 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7066 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7067 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7068 (OBJS_Os_4_200): New variable.
7069 ($(T)libgcc-Os-4-200.a): Use it.
7070 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7071 when dividing 1 and/or by 0.
7073 2006-06-13 Roger Sayle <roger@eyesopen.com>
7075 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7076 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7077 * configure: Regenerate.
7079 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7081 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7082 for real instruction.
7084 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7087 * haifa-sched.c (check_cfg): Handle special case.
7089 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7092 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7093 Add debug_info parameter. Chain the vars to the BLOCK instead
7094 of the BIND_EXPR if debug info are requested for them.
7095 (pop_gimplify_context): Adjust for above change.
7096 (gimple_add_tmp_var): Likewise.
7097 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7099 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7100 (convert_local_reference): Likewise.
7101 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7102 (finalize_nesting_tree_1): Request that debug info be emitted
7103 for debug_var_chain.
7105 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7107 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7108 for PR target/27863.
7110 2006-06-13 Richard Guenther <rguenther@suse.de>
7113 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7115 2006-06-13 Richard Guenther <rguenther@suse.de>
7117 PR tree-optimization/27830
7118 * tree-inline.c (copy_body_r): For copying the operand
7119 of an ADDR_EXPR make sure to fold &* afterwards.
7121 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7123 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7124 lvalues in the fb_none case with side-effects.
7126 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7128 * tree-flow.h: Remove the prototype for
7129 compute_phi_arg_on_exit.
7130 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7131 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7134 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7136 * builtins.c (expand_builtin_return_addr): Only use
7137 frame_pointer_rtx when count == 0 and we are expanding
7138 __builtin_return_address.
7140 2006-06-12 Fred Fish <fnf@specifix.com>
7142 * config/mips/mips.c (mips_file_start): Create special section
7143 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7145 2006-06-11 Eric Christopher <echristo@apple.com>
7148 * stor-layout.c (place_field): Remove check for
7149 remaining_in_alignment when aligning at the end of a run.
7151 2006-06-11 Eric Christopher <echristo@apple.com>
7154 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7157 2006-06-11 Roger Sayle <roger@eyesopen.com>
7160 Revert incorrect fix for PR target/27158
7161 2006-05-08 Roger Sayle <roger@eyesopen.com>
7162 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7163 of a reg_equiv_constant if the result is a legitimate constant.
7165 2006-06-11 Roger Sayle <roger@eyesopen.com>
7168 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7169 extract a CONST_VECTOR element and interpret it as an integer.
7170 (vspltis_constant): Use const_vector_elt_as_int instead of the
7171 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7172 * config/rs6000/predicates.md (easy_vector_const): Consider
7173 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7175 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7178 * stor-layout.c (update_alignment_for_field): Don't add extra
7179 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7182 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7184 * config/mips/t-rtems: Add EL/EB multilib variants.
7186 2006-06-09 Mike Stump <mrs@apple.com>
7188 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7190 2006-06-09 David Daney <ddaney@avtrex.com>
7192 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7194 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7196 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7198 2006-06-09 Richard Guenther <rguenther@suse.de>
7200 PR tree-optimization/26998
7201 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7202 of signed types, only TYPE_MIN_VALUE is special, but for both,
7203 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7204 in this case, as is -fwrapv.
7206 2006-06-08 Mike Stump <mrs@apple.com>
7209 * config/darwin.c (darwin_asm_output_anchor): Disable
7210 -fsection-anchors on darwin for now.
7211 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7212 * rs6000/rs6000.c (optimization_options): Likewise.
7214 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7217 * config/i386/i386.c (classify_argument): Skip fields with invalid
7220 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7222 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7223 (cse_insn): Likewise for the stack_pointer_rtx.
7225 2006-06-08 Roger Sayle <roger@eyesopen.com>
7227 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7228 conditions from floating point comparisons.
7230 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7233 * expmed.c (struct alg_hash_entry): Fix type of field T
7234 to match synth_mult argument.
7235 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7237 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7240 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7243 2006-06-08 Richard Guenther <rguenther@suse.de>
7246 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7247 only, if overflow is defined and not trapping.
7248 (negate_expr): Likewise.
7250 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7252 PR tree-optimization/27872
7253 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7254 flag on the new exit edge of the unrolled loop.
7256 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7258 PR rtl-optimization/26449
7259 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7261 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7264 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7265 referenced_variables with matching DECL_UID's.
7266 (find_referenced_vars): Make sure duplicate list is empty to start.
7267 (referenced_var_p): Remove.
7268 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7269 Check if var is in the list, and add if needed. Update the duplicate
7270 list if a different var is in the list with the same DECL_UID.
7271 (add_referenced_var): Call routine to check and insert.
7272 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7273 * tree-flow.h (referenced_vars_dup_list): External declaration.
7275 2006-06-07 Fred Fish <fnf@specifix.com>
7277 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7280 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7283 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7284 the imaginary and real parts of a clobbered register.
7285 Emit insn to set the imaginary part.
7287 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7289 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7290 in lieu of unwind-dw2-fde.c.
7292 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7294 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7296 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7299 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7300 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7301 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7302 V4SImode temporaries and operations instead.
7304 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7306 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7309 2006-06-06 Mike Stump <mrs@apple.com>
7311 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7312 installing during build.
7314 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7316 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7318 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7319 * config/ia64/ia64.c (params.h): New header.
7320 (ia64_optimization_options): New function to adjust parameters.
7321 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7322 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7323 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7325 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7327 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7329 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7332 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7334 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7335 Victor Kaplansky <victork@il.ibm.com>
7337 PR tree-optimization/26360
7338 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7341 2006-06-04 Roger Sayle <roger@eyesopen.com>
7342 Andrew Pinski <pinskia@physics.uc.edu>
7345 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7346 for LABEL_DECL before calling DECL_WEAK.
7349 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7350 LABEL_DECL and PARM_DECL.
7352 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7356 * c-decl.c (grokdeclarator): Disallow variably modified types at
7357 file scope. Avoid marking shared array type of constant size as
7360 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7363 * c-common.c (fold_offsetof_1): Handle static members.
7365 2006-06-04 Eric Christopher <echristo@apple.com>
7367 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7368 (debug_rli): Output value for remaining_in_alignment.
7369 (update_alignment_for_field): Unconditionalize
7370 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7371 extra alignment code.
7372 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7373 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7374 * tree.h (record_layout_info_s): Remove prev_packed.
7375 * doc/extend.texi (ms_struct): Add documentation of format.
7377 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7379 * tree.h: Declare folding_initializer.
7380 * builtins.c (fold_builtin_constant_p): Give definite answer
7381 if folding inside an initializer.
7382 * fold-const.c: Define folding_initializer.
7383 (START_FOLD_INIT): Save and then set folding_initializer.
7384 (END_FOLD_INIT): Restore folding_initializer.
7386 2006-06-04 Richard Guenther <rguenther@suse.de>
7388 PR tree-optimization/27039
7389 * fold-const.c (fold_comparison): Handle pointer comparison
7390 again for all comparison codes. Compare offsets in signed
7392 (fold_binary): Move code from here.
7394 2006-06-03 Roger Sayle <roger@eyesopen.com>
7397 * config/i386/i386.c (construct_container): Split static issued_error
7398 flag into issued_sse_arg_error, issued_sse_ret_error and
7399 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7400 requires the use of x87 registers and the user explicitly
7401 specified the -mno-80387 command line option.
7403 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7405 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7406 HAVE_DECL_SIGALTSTACK.
7408 (segv_handler): Use MC_FLD.
7409 * configure.ac: Check for a sigaltstack declaration.
7410 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7411 * configure: Regenerate.
7412 * config.in: Regenerate.
7414 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7417 * Makefile.in (stmp-fixinc): Fix typo.
7419 2006-06-02 Roger Sayle <roger@eyesopen.com>
7421 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7422 are type correct. Clean-up.
7423 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7424 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7426 2006-06-01 DJ Delorie <dj@redhat.com>
7428 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7429 shift, as we've disabled the "switch" insn that needs it.
7431 2006-06-01 Per Bothner <bothner@bothner.com>
7433 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7434 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7435 * c-ppoutput.c (cb_define): Don't increment line 0.
7437 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7439 * doc/invoke.texi: Add cpu_type power6.
7440 * config.gcc: Add cpu_type power6.
7441 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7442 to power5+ with Altivec.
7443 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7444 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7446 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7448 * config/avr/avr.h (SET_ASM_OP): Define.
7450 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7452 * config/bfin/bfin.c: Fix comment typos.
7454 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7457 * doc/install.texi: Document --enable-bootstrap and
7458 --disable-bootstrap.
7460 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7462 * doc/install.texi: Document that InfoZIP can replace jar.
7464 2006-05-31 Roger Sayle <roger@eyesopen.com>
7466 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7467 isn't available, directly generate the simpler x87 patterns without
7468 the (use (const_int 0)).
7469 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7470 implementation isn't available.
7471 (*negdf2_1): Likewise.
7472 (*negxf2_1): XF mode negation is always done using the x87.
7473 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7475 2006-05-31 Roger Sayle <roger@eyesopen.com>
7477 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7478 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7480 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7482 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7484 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7485 * config/bfin/bfin.c (basic-block.h): Include.
7486 (struct machine_function): New.
7487 (bfin_init_machine_status): New.
7488 (override_options): Initialize init_machine_status.
7489 (bfin_hardware_loop): New.
7490 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7491 (DEF_VEC_P (loop_info)): New.
7492 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7493 (struct loop_info): New.
7494 (loop_info): New typedef.
7495 (struct loop_work): New.
7496 (loop_work): New typedef.
7497 (DEF_VEC_O (loop_work)): New.
7498 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7499 (bfin_dump_loops): New.
7500 (bfin_bb_in_loop): New.
7501 (bfin_scan_loop): New.
7502 (bfin_optimize_loop): New.
7503 (bfin_reorg_loops): New.
7504 (bfin_reorg): Use bfin_reorg_loops.
7505 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7507 (I_REGNO_P): Simplify.
7508 (DP_REGNO_P, DPREG_P): New macros.
7509 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7510 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7511 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7512 Add LT_REGS, LC_REGS, LB_REGS.
7513 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7515 (REGNO_REG_CLASS): Deal with loop registers.
7516 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7518 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7519 New constants for loop registers.
7520 (UNSPEC_LSETUP_END): New.
7521 (seq_insns): New define_attr. Set it for appropriate insns.
7522 (movsi_insn): Add alternatives for move from/to
7523 loop count registers.
7524 (doloop_end): New define_expand.
7525 (loop_end): New define_insn.
7526 (define_split for bad doloop_end): New.
7527 (lsetup_with_autoinit): New define_insn.
7528 (lsetup_without_autoinit): New define_insn.
7529 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7530 * config/bfin/predicates.md (lc_register_operand): New.
7531 (lt_register_operand): New.
7532 (lb_register_operand): New.
7533 (nondp_register_operand): New.
7534 (nondp_reg_or_memory_operand): New.
7535 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7537 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7539 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7540 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7542 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7544 * Makefile.in (CATALOGS): Add po/ prefix.
7545 * configure: Regenerated.
7547 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7550 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7551 a shift operand before calling shift_op. Avoid redundant call of
7554 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7555 DJ Delorie <dj@redhat.com>
7557 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7558 we're inserting is a singlt-bit constant.
7560 2006-05-30 Roger Sayle <roger@eyesopen.com>
7562 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7563 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7565 2006-05-30 Roger Sayle <roger@eyesopen.com>
7567 PR tree-optimization/23452
7568 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7569 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7570 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7571 complex values and with -ffast-math for FP complex values.
7573 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7575 * c-common.h: Remove the prototype for yyparse.
7576 * rtl.h: Remove the prototype for init_loop.
7578 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7580 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7583 2006-05-30 Roger Sayle <roger@eyesopen.com>
7585 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7587 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7588 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7590 2006-05-30 Dirk Mueller <dmueller@suse.de>
7593 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7594 for CONSTANT_CLASS_P expresisons.
7596 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7599 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7601 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7603 PR tree-optimization/27779
7604 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7605 initial_condition instead of CHREC_LEFT.
7607 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7609 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7610 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7611 Make prototypes ISO C90.
7613 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7614 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7616 * see.c (see_analyze_one_def): Correct check.
7617 (see_get_extension_data): Check if extension is parallel.
7618 (see_get_extension_reg): Likewise.
7620 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7623 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7624 into register for (code == GTU).
7626 2006-05-29 Roger Sayle <roger@eyesopen.com>
7628 PR tree-optimization/24964
7629 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7630 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7631 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7632 abs(x)*abs(x) as x*x for scalar floating point modes.
7634 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7637 * lambda-code.c (perfect_nestify): Don't copy statements
7638 in the inner loop: move them to the inner loop header.
7640 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7643 * c-tree.texi: Document OpenMP directives and clauses.
7645 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7647 * varasm.c (globalize_decl): Fix indentation.
7649 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7652 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7653 pass_fre, pass_store_ccp, pass_copy_prop,
7654 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7655 pass_return_slot, pass_object_size, pass_lim,
7656 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7657 pass_loop_prefetch and pass_stdarg.
7659 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7661 * config/bfin/bfin.opt (mfdpic): New option.
7662 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7663 (EXTRA_MULTILIB_PARTS): Likewise.
7664 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7665 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7667 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7668 (CRT_CALL_STATIC_FUNCTION): New.
7669 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7671 (CRT_CALL_STATIC_FUNCTION): New.
7672 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7674 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7675 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7676 (initialize_trampoline): Changed to handle FD-PIC code generation.
7677 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7678 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7679 (override_options): Disallow -mid-shared-library -mfdpic combination.
7680 Can't do unaligned ops if FD-PIC.
7681 Turn off flag_pic if trying to generate non-id-shared-library
7682 non-fdpic code, since it's not supported.
7683 (bfin_assemble_integer): New function.
7684 (TARGET_ASM_INTEGER): Define.
7685 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7687 * config/bfin/crtn.s: Restore them.
7688 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7690 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7691 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7692 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7693 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7694 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7696 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7697 FDPIC_REGS and FDPIC_FPTR_REGS.
7698 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7699 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7700 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7701 (load_funcdescsi): New pattern.
7702 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7703 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7704 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7706 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7708 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7711 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7713 * tree-flow.h: Remove the prototype for add_type_alias.
7714 * tree-ssa-alias.c (add_type_alias): Remove.
7716 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7718 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7719 config/fr30/fr30.md, config/i386/i386-interix.h,
7720 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7721 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7722 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7723 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7724 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7725 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7726 Follow spelling conventions.
7727 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7728 Follow spelling conventions.
7730 2006-05-27 Richard Guenther <rguenther@suse.de>
7733 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7734 to produce a constant of value 1 of generic type.
7736 2006-05-27 Dirk Mueller <dmueller@suse.de>
7738 * cgraphunit.c (decide_is_function_needed): Fix wrong
7741 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7743 PR rtl-optimization/27661
7744 * reload.c (find_reloads): When reloading a VOIDmode constant
7745 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7746 use Pmode as mode of the reload register.
7748 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7750 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7751 is enabled at -O and above.
7753 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7756 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7759 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7762 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7763 for anonymous variables explicitly declared by front ends.
7765 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7767 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7768 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7769 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7770 ref-all pointers, run a finalization pass for them.
7771 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7772 (finalize_ref_all_pointers): New function.
7773 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7774 regular pointer type to a ref-all pointer type.
7775 (get_tmt_for): Return the special memory tag for ref-all pointers.
7777 2006-05-25 Richard Guenther <rguenther@suse.de>
7780 * fold-const.c (fold_binary): Do not look at the stripped
7781 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7783 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7785 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7786 for LT and GT if the computed range is effectively empty.
7788 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7791 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7792 mips_quad_format formats instead of ieee_single_format,
7793 ieee_double_format and ieee_quad_format formats, respectively.
7795 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7797 PR tree-optimization/27639
7798 PR tree-optimization/26719
7799 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7800 call to scev_probably_wraps_p.
7801 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7802 used_in_pointer_arithmetic_p, convert_step): Removed.
7803 (nowrap_type_p): New function.
7804 (scev_probably_wraps_p): Rewritten.
7805 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7806 chrec_convert if chrec_convert_aggressive might have been used.
7807 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7808 scev_direction): New functions.
7809 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7810 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7811 instead of convert_step.
7812 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7813 (convert_step): Declaration removed.
7814 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7816 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7818 * df-core.c: Added to header comments.
7819 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7820 df_ur_bb_info, df_urec_bb_info): Added comments.
7821 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7822 urec, ri problems): Fixed header comments.
7823 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7824 code from df_rd_transfer_function.
7826 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7828 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7829 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7830 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7832 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7834 * expr.c (undefined_operand_subword_p): New.
7835 (emit_move_multi_word): Do not generate move from undefined bits
7836 of a paradoxical subreg.
7838 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7840 PR rtl-optimization/27736
7841 * combine.c (replaced_rhs_value): New variable.
7842 (combine_instructions): Set it.
7843 (distribute_notes): When distributing a note in replaced_rhs_insn,
7844 check whether the value was used in replaced_rhs_value.
7846 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7849 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7850 add_referenced_var instead of add_referenced_tmp_var.
7851 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7852 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7854 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7855 tree_optimize_tail_calls_1): Use add_referenced_var.
7856 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7857 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7858 Use add_referenced_var.
7859 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7860 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7861 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7862 Use add_referenced_var.
7863 * tree-dfa.c (struct walk_state): Remove.
7864 (find_referenced_vars): Remove walk state and vars_found hash table.
7865 (make_rename_temp): Use add_referenced_var.
7866 (find_vars_r): Pass less parameters to add_referenced_var.
7867 (referenced_var_p): New. Is var in referenced_var hash table.
7868 (referenced_var_insert): Assert var isn't already in hash table.
7869 (add_referenced_var): Don't need walk_state parameter. Add var if it
7870 isn't already in the hash table.
7871 (add_referenced_tmp_var): Remove.
7872 (find_new_referenced_vars_1): Use add_referenced_var.
7873 * tree-ssa-pre.c (create_expression_by_pieces,
7874 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7875 Use add_referenced_var.
7876 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7877 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7878 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7880 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7881 vect_create_data_ref_ptr, vect_create_destination_var,
7882 vect_init_vector, vect_build_loop_niters,
7883 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7884 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7885 Use add_referenced_var.
7886 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7887 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7888 (add_referenced_var): Add prototype.
7889 * tree-ssa-structalias.c (get_constraint_for,
7890 intra_create_variable_infos): Use add_referenced_var.
7892 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7894 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7895 big-endian paradoxical subregs.
7896 * var-tracking.c (struct micro_operation_def): Document that,
7897 for modify micro operations, insn is the subsequent instruction.
7898 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7899 (var_reg_set, var_mem_set): ... new functions.
7900 (add_stores): Record subsequent insn.
7901 (compute_bb_dataflow): Use new functions for MO_USE.
7902 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7903 notes after the insn, and modify notes before the insn known
7904 to be the subsequent one.
7905 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7907 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7910 * config/i386/i386.c (ix86_expand_builtin): Use
7911 gen_sse3_monitor64 for TARGET_64BIT.
7913 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7915 PR rtl-optimization/26375
7916 PR rtl-optimization/26855
7917 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7919 (df_ru_bb_local_compute): Reversed statements and removed bogus
7920 comment explaining why they should be in wrong order.
7921 (df_ru_dump, df_rd_dump): Enhanced debug info.
7922 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7924 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7925 reaching uses and fixed space problem.
7927 2006-05-23 Jan Hubicka <jh@suse.cz>
7929 * cgraphunit.c (decide_is_function_needed): Also nested functions
7930 and functions declared inline can be optimized out at -O0.
7932 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7934 * doc/install.texi (Configuration): Remove reference to CrossGCC
7938 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7941 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7942 ix86_compare_emitted is non-NULL.
7944 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7947 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7950 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7952 PR rtl-optimization/25514
7953 * combine.c (replaced_rhs_insn): New variable.
7954 (combine_instructions): Set replaced_rhs_insn when trying to replace
7955 a SET_SRC with a REG_EQUAL note.
7956 (distribute_notes): Use replaced_rhs_insn when determining the live
7957 range of a REG_DEAD register.
7959 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7960 Anatoly Sokolov <aesok@post.ru>
7962 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7963 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7964 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7965 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7966 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7967 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7968 at90usb647, at90usb1286 and at90usb1287 devices.
7969 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7970 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7972 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7974 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7976 2006-05-22 Richard Guenther <rguenther@suse.de>
7979 2006-01-31 Richard Guenther <rguenther@suse.de>
7980 Paolo Bonzini <bonzini@gnu.org>
7982 * doc/install.texi (--disable-libgcc-math): Document.
7984 2006-05-22 Richard Guenther <rguenther@suse.de>
7987 2006-01-31 Richard Guenther <rguenther@suse.de>
7989 * doc/invoke.texi (-msselibm): Document.
7990 * target.h (expand_library_builtin): New target hook.
7991 * builtins.c (expand_builtin): Use expand_library_builtin.
7992 (default_expand_library_builtin): New function.
7993 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7994 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7995 (link_gcc_math_spec): Declare.
7996 (static_specs): Add link_gcc_math_spec.
7997 * expr.h (default_expand_library_builtin): Declare.
7998 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7999 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8000 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8001 * config/i386/i386.opt (msselibm): New target option.
8002 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8003 (ix86_init_sse_abi_builtins): New function.
8004 (ix86_expand_library_builtin): Likewise.
8005 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8006 (override_options): Handle error conditions wrt -msselibm.
8007 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8008 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8009 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8012 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8015 * c-common.c (self_promoting_args_p): Skip erroneous args.
8018 * c-decl.c (finish_struct): Skip erroneous fields.
8020 2006-05-22 Nick Clifton <nickc@redhat.com>
8022 * config/cris/cris.opt (march): Remove VarExists attribute.
8023 (max-stackframe=): Likewise.
8025 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8027 * doc/rtl.texi: Fix a typo.
8028 * see.c: Fix comment typos.
8030 * tree-ssa-structalias.h (alias_info): Remove num_references.
8032 2006-05-21 Mike Stump <mrs@apple.com>
8034 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8036 (darwin_pragma_options): Use BAD instead.
8037 (darwin_pragma_unused): Likewise.
8038 (darwin_pragma_ms_struct): Likewise.
8040 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8042 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8044 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8046 PR rtl-optimization/27671
8047 * simplify-rtx.c (simplify_relational_operation_1): Fix
8048 simplifications of (eq/ne (xor x y) y) and
8049 (eq/ne (xor x y) x).
8051 PR tree-optimization/26622.
8052 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8055 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8057 * tree-cfg.c: Prune whitespace.
8058 (debug_tree_cfg): Point to correct header containing the
8061 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8064 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8066 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8069 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8070 or sorry count is non zero.
8072 2006-05-20 Andreas Schwab <schwab@suse.de>
8074 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8076 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8077 Kenneth Zadeck <zadeck@naturalbridge.com>
8079 PR rtl-optimization/26855
8081 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8083 (df_scan_alloc): Added code to properly handle multiword hard
8084 registers and add all_blocks parameter.
8085 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8086 code to properly handle multiword hard registers.
8087 (df_rescan_blocks): Added code to remove deleted blocks from
8089 (df_ref_create_structure, df_ref_record): Added code to properly
8091 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8092 and set DF_REF_PARTIAL.
8093 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8094 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8095 (df_scan_add_problem): Added flags parameter.
8096 (df_ref_create_structure): Changed switching structure.
8097 (df_bb_refs_record): Fixed case where duplicate artificial refs
8098 were created. Changed location of flags.
8099 (df_record_entry_block_defs): Added code to make stack pointer
8100 live in entry block. Refined cases where frame pointer is needed.
8101 Changed location of flags.
8102 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8103 (df_set_state): Removed function.
8104 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8105 df_insn_create_insn_record, df_insn_refs_delete,
8106 df_ref_create_structure): Formatting changes.
8107 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8108 df_delete_basic_block): New function.
8109 (df_init): Changed location of flags.
8110 (df_add_problem): Added flags parameter and the way flags are
8112 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8113 debug_df_chain): Improved debugging output.
8114 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8115 (df_refs_chain_dump): Removed df parameter.
8116 (df_iterative_dataflow): Added consistency check.
8117 (df_prune_to_subcfg): Made public.
8118 (df_analyze_problem): Added blocks_to_init parameter and made
8120 (df_ref_record, df_bb_refs_record, df_mark_reg,
8121 df_record_exit_block_uses): Whitespace changes.
8122 (df_dump): Whitespace changes.
8123 * df.h: Some reordering to remove forward references.
8124 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8125 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8126 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8127 (dataflow.flags): New field.
8128 (df.flag): Deleted field.
8129 (df_alloc_function): Added additional bitmap parameter.
8130 (df_dependent_problem_function): New type.
8131 (df_problem.changeable_flags): New field.
8132 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8133 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8134 (df_mw_hardreg): New struct.
8135 (DF_INSN_UID_MWS): New macro.
8136 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8138 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8139 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8140 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8141 (df_set_state): Removed function.
8142 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8143 * df-problems.c (df_chain_dump): Removed df parameter.
8144 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8145 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8147 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8148 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8149 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8150 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8151 DF_REF_MUST_CLOBBER cases.
8152 (df_ru_bb_local_compute_process_def,
8153 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8154 df_lr_bb_local_compute, df_ur_bb_local_compute,
8155 df_chain_create_bb): Made subreg aware.
8156 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8157 df_lr_bb_local_compute, df_lr_bb_local_compute,
8158 df_chain_create_bb): Cleanup to use proper macros.
8159 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8160 code to fixup bitvectors.
8161 (df_ri_alloc): Cleared lifetime.
8162 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8163 df_create_unused_note): New function.
8164 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8165 REG_DEAD and REG_UNUSED notes as well as register information.
8166 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8167 df_chains_dump): Fixed crash if problem was never run.
8168 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8169 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8170 df_ri_add_problem): Processes flags in uniform manner.
8171 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8172 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8173 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8174 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8175 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8176 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8177 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8178 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8179 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8180 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8181 * see.c (see_initialize_data): Ditto.
8182 * final.c (rest_of_clean_state) Added regstack_completed.
8183 * rtl.h (regstack_completed): Ditto.
8184 * reg-stack.c (regstack_completed): Ditto.
8186 2006-05-19 Mike Stump <mrs@apple.com>
8188 * c-tree.h (default_conversion): Remove.
8189 * c-common.h (default_conversion): Add.
8191 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8193 * tree-vrp.c (valid_value_p): New function.
8194 (adjust_range_with_scev): Fail if the value of bound is not
8197 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8199 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8200 (mips_fallback_frame_state): Use syscall numbers to determine
8201 the appropriate li instruction for the current ABI. Only use
8202 __NR_sigreturn for o32.
8204 2006-05-19 Nicolas Setton <setton@adacore.com>
8206 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8207 * langhooks.c (lhd_dwarf_name): New function.
8208 * langhooks-def.h (lhd_dwarf_name): Declare.
8209 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8210 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8211 * ada/misc.c (gnat_dwarf_name): New function.
8212 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8214 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8216 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8218 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8219 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8220 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8221 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8222 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8223 determine the size of Wtype, etc.
8224 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8225 (swfloatfuncs): New variable.
8226 (dwfloatfuncs): Likewise.
8227 (lib2funcs): Remove floating-point conversion functions from
8228 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8229 the set of conversion routines needed. Allow entries to specify
8230 an object name, filename and word size. Update users accordingly.
8231 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8232 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8236 2006-02-08 Roger Sayle <roger@eyesopen.com>
8239 * config/fixtfdi.c: New libgcc source file.
8240 * config/fixunstfdi.c: New source file.
8241 * config/floatditf.c: New source file.
8242 * config/floatunditf.c: New souce file.
8243 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8244 files above instead of config/mips/_tilib.c.
8245 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8247 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8249 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8250 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8252 2006-05-18 Mike Stump <mrs@apple.com>
8254 Fix up vla, vm and [*] sematics.
8260 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8261 (c_vla_unspec_p): Add.
8262 (c_vla_type_p): Add.
8263 * c-decl.c (struct c_scope): Add had_vla_unspec.
8264 (build_array_declarator): Add support for [*].
8265 (grokdeclarator): Likewise.
8266 (grokparms): Likewise.
8267 (get_parm_info): Likewise.
8268 * c-objc-common.c (c_vla_unspec_p): Likewise.
8269 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8270 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8271 typeof when argument is a variably modified type not inside sizeof or alignof.
8272 (c_parser_direct_declarator_inner): Propagate errors.
8273 (c_parser_sizeof_expression): Add support for [*].
8274 (c_parser_parms_declarator): Initialize had_vla_unspec.
8275 (c_parser_parms_list_declarator): Likewise.
8276 * c-typeck.c (c_vla_type_p): Add.
8277 (composite_type): Add support for vla compositing.
8278 (comptypes_internal): Add support for vla compatibility.
8279 (c_expr_sizeof_expr): Evaluate vla arguments.
8280 * tree.c (variably_modified_type_p): Update comment for [*].
8282 2006-05-18 Michael Matz <matz@suse.de>
8285 * config.host: Make assignments to host_xmake_file cumulative.
8286 * config.host (*-darwin*): Test $host, not $target.
8288 2006-05-12 Stuart Hastings <stuart@apple.com>
8290 * config/i386/i386.opt (-mstackrealign): New flag.
8291 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8292 (ix86_handle_cconv_attribute): Emit error when
8293 force_align_arg_pointer attribute collides with too many regparms.
8294 (ix86_function_regparm): Limit regparms when used with
8295 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8296 Support stack-realigning prologue in non-main functions. Emit
8297 warning for nested functions under -mstackrealign, emit error for
8298 nested functions with force_align_arg_pointer attribute.
8299 * doc/extend.texi (force_align_arg_pointer): Document it.
8300 * doc/invoke.texi (-mstackrealign): Document it.
8302 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8304 PR rtl-optimization/27477
8305 * combine.c (try_combine): Don't split a parallel consisting
8306 of two sets into two individual sets if both sets reference
8309 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8311 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8312 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8314 * doc/options.texi (VarExists): Updated.
8316 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8318 * unwind-dw2.c: Add declarations for uw_update_context and
8320 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8321 detected, advance frame state and context once to skip over stub.
8323 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8327 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8328 Call rewrite_into_loop_closed_ssa only when something changed.
8329 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8330 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8331 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8332 Test for perfect_nest_p here. Fix formating.
8333 (replace_uses_equiv_to_x_with_y): Fix formating.
8334 (stmt_uses_op): Removed.
8335 (can_convert_to_perfect_nest): Removed loopivs parameter.
8336 Complete the test by checking the scalar dependences.
8337 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8340 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8343 From Dan Kegel <dank@kegel.com>:
8344 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8346 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8348 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8349 if the element type is variably modified without recursing.
8351 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8354 * tree-loop-linear.c (try_interchange_loops): Test for
8355 no data dependences.
8357 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8359 PR tree-optimization/27548
8360 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8361 range of ssa names that appear on abnormal edges.
8362 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8363 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8365 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8368 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8370 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8373 * tree.h (OMP_PARALLEL_COMBINED): Define.
8374 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8375 (new_omp_context): Add is_combined_parallel argument.
8376 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8377 new_omp_context caller.
8378 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8379 Adjust gimplify_scan_omp_clauses callers.
8380 (omp_is_private): Issue errors if iteration variable is firstprivate
8381 or reduction in the current context.
8382 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8383 on combined parallel workshare constructs.
8385 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8387 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8388 (gcc-options.o): New rule.
8390 * optc-gen.awk: Protect variables for gcc-options.o with
8391 #ifdef GCC_DRIVER/#endif.
8393 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8395 Fix PR tree-optimization/27373
8396 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8397 (forward_propagate_addr_expr): Update call.
8399 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8401 * doc/options.texi: Move the Negative option.
8403 2006-05-16 Richard Guenther <rguenther@suse.de>
8405 PR tree-optimization/22303
8406 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8408 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8409 ccp_fold did not simplify the statement.
8411 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8414 * Makefile.in (GCC_OBJS): New.
8415 (OBJS-common): Add opts-common.o.
8416 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8417 (cpp$(exeext)): Likewise.
8418 (gcc.o): Also depend on opts.h.
8419 (opts-common.o): New.
8421 * common.opt (gcoff): Add Negative(gdwarf-2).
8422 (gdwarf-2): Add Negative(gstabs).
8423 (gstabs): Add Negative(gstabs+).
8424 (gstabs+): Add Negative(gvms).
8425 (gvms): Add Negative(gxcoff).
8426 (gxcoff): Add Negative(gxcoff+).
8427 (gxcoff+): Add Negative(gcoff).
8428 * config/i386/i386.opt (m32): Add Negative(m64).
8429 (m64): Add Negative(m32).
8431 * doc/options.texi: Document the Negative option.
8433 * gcc.c: Include "opts.h".
8434 (main): Call prune_options after expandargv.
8436 * optc-gen.awk: Generate common declarations for all flag
8437 variables in options.c. Output the neg_index field.
8439 * opts.c (find_opt): Moved to ...
8440 * opts-common.c: Here. New file.
8442 * opts.h (cl_option): Add a neg_index field.
8444 (prune_options): Likewise.
8446 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8449 * omp-low.c (expand_omp_parallel): Don't assert
8450 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8451 instead search for it.
8454 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8457 2006-05-16 Andreas Schwab <schwab@suse.de>
8459 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8462 2006-05-15 Roger Sayle <roger@eyesopen.com>
8465 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8466 integer constants other than zero are only legitimate on TARGET_64BIT.
8467 <CONST_VECTOR> Only zero vectors are legitimate.
8468 (ix86_cannot_force_const_mem): Integral and vector constants can
8469 always be put in the constant pool.
8471 2006-05-16 DJ Delorie <dj@redhat.com>
8473 * crtstuff.c (__dso_handle): Set section from
8474 TARGET_LBIGCC_SDATA_SECTION if defined.
8475 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8476 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8478 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8481 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8484 2006-05-16 Ben Elliston <bje@au.ibm.com>
8486 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8488 2006-05-15 Per Bothner <per@bothner.com>
8490 * tree.c: (last_annotated_node): Use source_locus typedef.
8491 This permits bootstrapping with --enable-mapped-location.
8493 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8495 PR tree-optimization/26830
8496 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8497 (info_for_ssa_name, current_info_for_ssa_name_age,
8498 blocks_to_update): New variables.
8499 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8500 (clear_ssa_name_info, initialize_flags_in_bb,
8501 mark_block_for_update): New functions.
8502 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8503 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8504 prepare_def_site_for): Use mark_block_for_update.
8505 (mark_def_interesting): Assert that the processed block is marked in
8506 blocks_to_update. Do not take blocks argument.
8507 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8509 (rewrite_update_init_block, rewrite_update_stmt): Only process
8510 blocks with statements to rewrite.
8511 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8512 (update_ssa): Initialize and free blocks_to_update. Do not
8513 clear flags on statements. Do not use blocks bitmap.
8514 * tree.h (SSA_NAME_AUX): Removed.
8515 (struct tree_ssa_name): Removed aux field.
8516 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8518 2006-05-15 Richard Guenther <rguenther@suse.de>
8520 PR tree-optimization/27603
8521 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8522 Do computations in original type.
8524 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8526 * see.c: Code style changes such as redundant paranthesis,
8527 redundant intialization of local variables etc.
8528 (see_main): Declared now as static.
8529 * doc/invoke.texi: Update that -fsee is not enabled by
8532 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8534 * omp-low.c (check_omp_nesting_restrictions): New function.
8535 (scan_omp_1): Call it.
8538 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8539 construct, return *VAR.
8541 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8543 PR rtl-optimization/27406
8544 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8547 2006-05-14 Roger Sayle <roger@eyesopen.com>
8549 PR rtl-optimization/27538
8550 * combine.c (expand_compound_operation): Call gen_lowpart
8551 before calling simplify_shift_const.
8553 2006-05-14 Roger Sayle <roger@eyesopen.com>
8555 PR rtl-optimization/22563
8556 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8557 a fixed width bitfield, always force the intermediates into psuedos.
8559 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8562 * mkconfig.sh: Use operator = instead of == for test.
8564 2006-05-13 Nick Clifton <nickc@redhat.com>
8566 * dwarf2out.c (dbx_reg_number): Check return value from
8567 LEAF_REG_REMAP and only use it if it is valid.
8568 (multiple_reg_loc_descriptor): Likewise.
8570 2006-05-13 Richard Guenther <rguenther@suse.de>
8572 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8575 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8577 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8578 information attached to non-INSNs such as NOTEs.
8579 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8581 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8583 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8585 * config/s390/s390.md: Adjust comment describing On constraint.
8587 2006-05-11 Jan Hubicka <jh@suse.cz>
8589 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8590 to be output at -O0.
8592 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8595 * fold-const.c (size_binop): Move sanity check for arguments to
8596 the beginning of the function.
8599 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8602 2006-05-11 Richard Guenther <rguenther@suse.de>
8605 * fold-const.c (fold_unary): Handle intermediate conversion
8606 to a pointer type like intermediate conversion to an integer
8607 type in folding of (T1)(T2)var to var.
8608 Match the code to the comment in the final conversion for
8609 (T1)(T2)var to (T1)var regarding to type precision. Rather
8610 than disallow T1 being of pointer type, assert that both T1
8611 and var are of pointer type or not. Make sure not to fall
8612 over the frontends lazyness wrt array to pointer decay though.
8614 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8616 * arm.c (arm_struct_value_rtx): Delete.
8617 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8618 (arm_init_cumulative_args): Always initialize nregs to zero.
8620 2006-05-10 Richard Guenther <rguenther@suse.de>
8622 PR tree-optimization/27532
8623 * tree-object-size.c (plus_expr_object_size): Fix typo.
8625 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8628 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8629 ashrdi_const, ashrdi3): Use a scratch register.
8631 2006-05-10 Richard Guenther <rguenther@suse.de>
8633 PR tree-optimization/27302
8634 * fold-const.c (operand_equal_p): For two comparisons,
8635 try comparison of one comparison code swapped if that yields
8638 2006-05-10 Ben Elliston <bje@au.ibm.com>
8640 * tree-pretty-print.c (pretty_print_string): No need to handle
8641 '\0' as a special character.
8643 * tree.h: Include "hashtab.h".
8644 (iterative_hash_expr): Use hashval_t in its prototype.
8645 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8647 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8650 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8651 (hppa*64*-*-hpux11*): Ditto.
8652 (hppa[12]*-*-hpux11*): Ditto.
8654 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8657 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8659 2006-05-09 Michael Matz <matz@suse.de>
8661 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8662 host_extra_gcc_objs and host_xmake_file.
8663 (<*-*-linux*>): Don't overwrite host_xmake_file.
8664 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8665 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8666 (host_detect_local_cpu): Declare.
8667 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8668 * config/i386/i386.c (override_options): Handle -mtune=native
8670 * config/i386/x-i386: New file.
8671 * config/i386/driver-i386.c: New file.
8672 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8675 2006-05-09 Dirk Mueller <dmueller@suse.de>
8676 Richard Guenther <rguenther@suse.de>
8679 * fold-const.c (fold_read_from_constant_string): Relax check
8680 for matching types to matching modes.
8682 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8684 PR rtl-optimization/27335
8685 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8688 2006-05-08 Chao-ying Fu <fu@mips.com>
8689 Richard Sandiford <richard@codesourcery.com>
8691 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8692 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8693 * config/mips/mips.md (UNSPEC_SCC): New constant.
8694 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8695 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8696 (mips_emit_compare): Use it.
8697 (mips_expand_vcondv2sf): New function.
8699 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8701 Fix PR tree-optimization/27093
8702 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8703 renaming when they become not-used_alone.
8705 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8707 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8708 relocation and relocation stubs.
8710 2006-05-08 Eric Christopher <echristo@apple.com>
8712 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8715 2006-05-08 Jan Hubicka <jh@suse.cz>
8718 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8719 unused static functions are needed.
8721 2006-05-08 Roger Sayle <roger@eyesopen.com>
8724 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8725 of a reg_equiv_constant if the result is a legitimate constant.
8727 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8730 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8731 standard 80387 constants, raise the cost to prevent
8732 compress_float_constant() to generate load from memory.
8734 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8736 * config/arm/constraints.md (c): Fix a typo.
8738 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8741 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8744 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8746 (_mm_mwait): Likewise.
8748 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8750 (sse3_monitor): Make it 32bit only.
8751 (sse3_monitor64): New. 64bit monitor.
8753 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8756 * config/i386/i386.c (classify_argument): Skip fields with invalid
8759 2006-05-07 Richard Guenther <rguenther@suse.de>
8761 PR tree-optimization/27409
8762 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8763 Do not try to find zero-sized subvars.
8765 2006-05-07 Richard Guenther <rguenther@suse.de>
8767 PR tree-optimization/27136
8768 * tree-ssa-loop-niter.c (get_val_for): Correct function
8769 comment, assert requirements.
8770 (loop_niter_by_eval): Stop processing if the iterated
8771 value did not simplify.
8773 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8775 * opts.c (flag_see): remove its setting at -O3.
8777 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8779 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8780 * arm/constraints.md: New file.
8781 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8782 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8783 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8784 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8785 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8786 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8787 * arm.md: Include constraints.md.
8788 (thumb_movsi_insn): Use satisfies_constraint_J.
8789 (movhi, movqi): Use satisfies_constraint_I.
8791 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8793 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8794 for atmeg a645 device.
8796 2006-05-06 Richard Guenther <rguenther@suse.de>
8798 PR tree-optimization/27151
8799 * tree-vect-transform.c (vectorizable_condition): Punt on
8800 values that have a different type than the condition.
8802 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8805 * c-parser.c (c_parser_cast_expression): Only insert casts into
8806 hash table if pointer.
8807 * function.c (used_types_insert_helper): Rename from
8809 (used_types_insert): Call used_types_insert_helper.
8810 * function.h (used_types_insert): Accept only one argument.
8812 2006-05-05 David Edelsohn <edesohn@gnu.org>
8814 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8815 scratch with output modifier.
8817 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8820 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8821 with output modifier.
8823 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8826 * config/mips/mips.c (mips_symbolic_address_p): Return true
8827 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8828 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8830 2006-05-04 Richard Guenther <rguenther@suse.de>
8832 PR tree-optimization/14287
8833 PR tree-optimization/14844
8834 PR tree-optimization/19792
8835 PR tree-optimization/21608
8836 PR tree-optimization/27090
8837 * tree-ssa-pre.c (try_combine_conversion): New function.
8838 (compute_avail): After constructing the value-handle
8839 expression, use try_combine_conversion to combine NOP_EXPRs
8840 with previous value-handle expressions and use the result if it
8843 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8845 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8847 2006-05-04 Jan Hubicka <jh@suse.cz>
8850 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8852 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8854 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8855 that this only matches CONST_INTs. All users changed to VOIDmode
8858 * config/bfin/bfin.c: Include "optabs.h".
8859 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8861 (enum bfin_builtins): Add a number of fractional and vector builtins.
8862 (bfin_init_builtins): Likewise.
8863 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8864 (safe_vector_operand, bfin_expand_binop_builtin,
8865 bfin_expand_unop_builtin): New functions.
8866 (bfin_expand_builtin): Handle the new builtins.
8867 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8870 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8873 * Makefile.in (OBJS-common): Add see.o.
8874 (see.o): Add dependencies.
8875 * common.opt (fsee): New flag for the see optimization was added.
8876 * opts.c (flag_see): Initialized.
8877 * passes.c (init_optimization_passes, pass_see): New pass.
8878 * rtl.h (see_main): Declaration as extern.
8879 * timevar.def (TV_SEE): New.
8880 * tree-pass.h (pass_see): Declaration as extern.
8881 * invoke.texi (-fsee): Document.
8882 * recog.c (validate_simplify_insn): New function.
8883 * recog.h (validate_simplify_insn): Declaration as extern.
8884 * df-problems.c (df_chain_dump): Check for NULL.
8886 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8887 Daniel Berlin <dberlin@dberlin.org>
8889 * cfgrtl.c (insert_insn_bb_end_new): New function.
8890 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8892 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8894 * df.h (struct web_entry): Moved from web.c.
8895 (union_defs): Declaration as extern.
8896 (unionfind_root): Likewise.
8897 (unionfind_union): Likewise.
8898 * web.c (struct web_entry): Moved to df.h.
8899 (unionfind_root): Remove static declaration.
8900 (unionfind_union): Likewise.
8901 (union_defs): Likewise and generalize to use callback function.
8902 (web_main): Update arguments for union_defs function call.
8904 2006-05-04 Richard Guenther <rguenther@suse.de>
8906 PR tree-optimization/26447
8907 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8908 produce SSA_NAME copies before the store stmt to avoid
8909 breaking exception handling.
8911 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8914 * gimplify.c (omp_is_private): If var is shared in some outer context,
8915 return false instead of true. Stop searching on parallel context
8918 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8921 * coverage.c: Use get_gcov_unsigned_t() instead of
8922 unsigned_type_node all over.
8924 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8926 PR tree-optimization/27381
8927 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8928 maintain the same immediate_use links.
8929 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8930 node rather than segfaulting.
8932 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8935 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8936 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8937 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8939 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8941 Fix PR tree-optimization/26626
8942 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8944 * tree-ssa-operands.c (access_can_touch_variable): Allow
8945 typecasting through union pointers.
8947 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8950 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8951 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8952 to find if var will be a global variable even in the nested context.
8953 (omp_copy_decl): Only check for global variable at the end, it might
8954 be overridden in outer contexts.
8955 (scan_sharing_clauses): For global variables don't create a field.
8956 (lower_rec_input_clauses): Do nothing for global shared variables.
8957 Emit a barrier at the end of ILIST if there were any decls in both
8958 firstprivate and lastprivate clauses.
8959 (lower_send_clauses): Do nothing for global variables except for
8962 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8964 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8965 of the correct signedness is returned.
8967 2006-05-02 Jeff Law <law@redhat.com>
8969 PR tree-optimization/27364
8970 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8971 multiply expressions.
8973 2006-05-02 Tom Tromey <tromey@redhat.com>
8975 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8977 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8980 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8981 -mthumb -fPIC are used.
8983 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8984 Joshua Kinard <kumba@gentoo.org>
8987 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8988 with 64-bit pointers.
8990 2006-05-02 Paul Brook <paul@codesourcery.com>
8992 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8994 (create_fix_barrier): Check that a suitable barrier location is
8996 (arm_reorg): Include ftmp->address in allowable range of addresses.
8998 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9001 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9004 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9007 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9008 around RESULT_DECL for result passed by reference.
9009 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9010 * omp-low.c (use_pointer_for_field): Don't look at
9011 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9012 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9013 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9014 time or var for passing by reference for
9015 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9016 TREE_ADDRESSABLE variables when passing by reference.
9018 * omp-low.c (dump_omp_region): Fix output formatting.
9021 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9022 (expand_omp_parallel): Likewise.
9023 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9026 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9027 on statement list containing also constructors and destructors.
9028 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9031 * except.c (duplicate_eh_regions): Fix clearing of
9032 cfun->eh->region_array entries.
9034 2006-05-01 DJ Delorie <dj@redhat.com>
9036 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9038 (gcc_cv_objdump): Likewise.
9039 * configure: Regenerated.
9041 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9044 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9045 templates for case 3 and 4.
9047 2006-05-01 DJ Delorie <dj@redhat.com>
9049 * vec.c: Include bconfig.h when appropriate.
9050 * Makefile.in (build/vec.o): Adjust dependencies.
9051 * mkconfig.sh: Make sure config.h isn't used for build machine
9054 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9056 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9058 (mark_phi_for_rewrite): New function.
9059 (insert_phi_nodes_for, mark_use_interesting): Call
9060 mark_phi_for_rewrite.
9061 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9062 (update_ssa): Initialize and free phis_to_rewrite.
9064 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9066 PR rtl-optimization/27291
9067 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9068 folded to a constant.
9070 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9072 PR tree-optimization/27283
9073 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9074 not whole # of iteration descriptions.
9075 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9076 uses abnormal ssa name.
9077 (niter_for_single_dom_exit): Ditto.
9078 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9079 return just the number of iterations.
9081 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9083 PR tree-optimization/27144
9084 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9085 (record_estimate): Only record constant upper bound.
9086 (infer_loop_bounds_from_undefined): Call
9087 compute_estimated_nb_iterations just once.
9088 (proved_non_wrapping_p): Renamed to ...
9089 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9090 (convert_step_widening, scev_probably_wraps_p): Call
9091 n_of_executions_at_most instead of proved_non_wrapping_p.
9092 (substitute_in_loop_info): Do not replace values in bounds.
9093 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9096 2006-05-01 Richard Henderson <rth@redhat.com>
9099 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9100 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9103 2006-05-01 Roger Sayle <roger@eyesopen.com>
9105 * c-typeck.c (parser_build_binary_op): Don't call the function
9106 unsigned_conversion_warning to spot operand/result type overflow.
9107 (build_binary_op): Instead, call convert_and_check instead of
9108 convert to report the problem when the operands are promoted.
9109 * c-common.c (unsigned_conversion_warning): Make static.
9110 * c-common.h (unsigned_conversion_warning): Delete prototype.
9112 2006-05-01 Richard Guenther <rguenther@suse.de>
9114 PR tree-optimization/26726
9115 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9117 (find_interesting_uses_address): ... we work around here
9118 by folding INDIRECT_REFs in the substituted base.
9120 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9122 * omp-low.c (dump_omp_region): Add newlines.
9124 2006-04-30 Roger Sayle <roger@eyesopen.com>
9126 * common.opt (Woverflow): New command line option.
9127 * c-common.c (constant_expression_warning): Check warn_overflow.
9128 (overflow_waring): Pass OPT_Woverflow to warning.
9129 (unsigned_conversion_warning): Likewise.
9130 (convert_and_check): Likewise.
9131 * doc/invoke.texi: Document new command line option.
9133 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9135 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9136 TARGET_NO_FP_IN_TOC for section anchors.
9137 (optimization_options): Enable section anchors for all
9138 non-"Objective" languages.
9140 2006-04-28 Eric Christopher <echristo@apple.com>
9142 * config/darwin-c.c (darwin_ms_struct): Move this
9143 (darwin_set_default_type_attributes): and this...
9144 * config/darwin.c: ... here.
9145 * config/darwin.h (darwin_ms_struct): Declare.
9147 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9149 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9151 2006-04-28 Roger Sayle <roger@eyesopen.com>
9154 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9155 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9156 an unsigned HOST_WIDE_INT.
9157 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9159 (really_start_incremental_init): No need to call convert because
9160 bitsize_zero_node is already of type bitsizetype.
9161 (push_init_level): Extract the value of constructor_index as an
9162 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9163 (process_init_element): Likewise.
9165 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9167 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9168 value before passing to make_relative_prefix.
9170 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9173 * builtins.c (expand_builtin_memset): Expand val in original mode.
9175 2006-04-27 Eric Christopher <echristo@apple.com>
9177 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9178 with #ifndef/#endif.
9179 * config/darwin-c.c (darwin_ms_struct): New.
9180 (darwin_pragma_ms_struct): Ditto.
9181 (darwin_set_default_type_attributes): Ditto.
9182 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9183 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9184 Register ms_struct pragma.
9185 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9186 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9187 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9188 darwin_set_default_type_attributes if TARGET_MACHO.
9190 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9192 PR tree-optimization/26854
9193 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9194 * doc/tree-ssa.texi: Update immuse iterator documentation.
9195 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9197 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9198 first_safe_imm_use, next_safe_imm_use): Remove.
9199 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9200 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9201 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9202 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9203 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9204 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9205 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9206 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9207 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9208 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9209 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9210 (perfect_nestify): Use new iterator.
9211 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9213 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9214 (next_imm_name): New field in struct immediate_use_iterator_d.
9215 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9216 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9217 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9218 * tree-cfg.c (replace_uses_by): Use new iterator.
9219 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9220 * tree-ssa-operands.c (correct_use_link): Remove.
9221 (finalize_ssa_use_ops): No longer call correct_use_link.
9223 2006-04-27 Stuart Hastings <stuart@apple.com>
9225 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9226 * config/t-darwin (crt3.o): Use it.
9227 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9228 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9229 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9230 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9231 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9234 2006-04-27 Roger Sayle <roger@eyesopen.com>
9236 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9237 size, force the intermediate into a new pseudo rather instead of
9238 performing both a bitwise AND and a bitwise IOR in memory.
9240 2006-04-27 Richard Guenther <rguenther@suse.de>
9242 PR rtl-optimization/26685
9243 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9244 this one "max-flow-memory-locations".
9246 2006-04-27 Richard Guenther <rguenther@suse.de>
9248 PR tree-optimization/25148
9249 * tree-vrp.c (compare_values): Remove code dealing with
9250 comparisons against type min/max value. Honour overflow
9251 and negative constants in code dealing with comparisons
9252 of plus and minus expressions.
9253 (value_inside_range): Use fold_binary with LE_EXPR and
9254 GE_EXPR rather than compare_values.
9256 2006-04-27 Dirk Mueller <dmueller@suse.de>
9258 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9261 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9263 * basic-block.h (safe_insert_insn_on_edge): Removed.
9264 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9266 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9267 Paolo Bonzini <bonzini@gnu.org>
9270 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9271 (simplify_and_const_int): Same.
9273 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9275 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9277 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9280 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9281 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9282 cgraph_global_info_ready.
9285 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9288 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9289 either decl or init is error_mark_node.
9292 * tree-flow.h (struct omp_region): Add sched_kind.
9293 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9294 instead of extracting omp for data.
9295 (expand_omp_for): Save extracted sched_kind.
9297 2006-04-25 Roger Sayle <roger@eyesopen.com>
9299 * expmed.c (store_bit_field): Also check whether the bitsize is
9300 valid for the machine's "insv" instruction before moving the
9301 target into a pseudo for use with the insv.
9302 * config/i386/predicates.md (const8_operand): New predicate.
9303 * config/i386/i386.md (extv, extzv, insv): Use the new
9304 const8_operand predicate where appropriate.
9306 2006-04-25 DJ Delorie <dj@redhat.com>
9308 * doc/install.texi (Specific): Clarify that this is not a list of
9309 supported hosts or targets.
9311 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9313 PR rtl-optimization/26725
9314 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9315 block's BB_DIRTY flag.
9317 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9319 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9322 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9323 to print an integer.
9325 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9327 * varasm.c (align_variable): New function.
9328 (get_block_for_decl): Apply align_variable to DECL before
9329 calculating section information.
9330 (assemble_variable): Split out alignment computation.
9332 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9334 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9337 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9339 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9340 MODE_PARTIAL_INT mode.
9341 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9342 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9344 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9345 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9347 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9349 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9351 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9352 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9353 MACFLAG_IH): Likewise.
9354 (movstricthi_1): Renamed from "*movstricthi".
9355 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9356 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9357 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9358 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9359 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9360 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9361 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9362 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9363 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9364 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9365 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9366 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9367 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9368 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9369 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9371 * doc/rtl.texi (ss_ashift): Improve wording.
9373 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9375 * dwarf2out.c (verify_marks_clear): New.
9376 (prune_unused_types): Call verify_marks_clear initially, not
9379 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9381 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9382 * doc/rtl.texi: Document them.
9383 * simplify-rtx.c (simplify_unary_operation,
9384 simplify_binary_operation_1): Don't abort when we see them.
9386 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9389 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9390 * configure.ac: Completely disregard languages that are not
9392 * configure: Regenerated.
9394 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9395 Richard Guenther <rguenther@suse.de>
9397 PR tree-optimization/27236
9398 * tree-inline.c (copy_body_r): Make sure to copy
9399 TREE_THIS_VOLATILE flag.
9401 2006-04-24 Richard Guenther <rguenther@suse.de>
9404 * tree-complex.c (update_parameter_components): Don't handle
9405 unused parameters which have no default def.
9407 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9408 Richard Guenther <rguenther@suse.de>
9410 PR tree-optimization/27218
9411 * tree-inline.c (expand_call_inline): Strip useless type
9412 conversions for the return slot address.
9414 2006-04-24 Richard Guenther <rguenther@suse.de>
9416 * cfgloop.h (struct loops): Remove unused field array. Reorder
9418 (LOOP_PREFETCH): Remove.
9420 2006-04-24 Richard Guenther <rguenther@suse.de>
9422 PR tree-optimization/22525
9423 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9424 variable, adjust types of generated expressions.
9426 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9428 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9429 (tree-vect-patterns.o): Likewise.
9431 (cselib.o): Likewise.
9432 (loop-doloop.o): Likewise.
9433 (regclass.o): Likewise.
9434 (reload1.o): Likewise.
9435 (explow.o): Replace target.h with $(TARGET_H).
9436 (ipa-prop.o): Likewise.
9437 (ipa-cp.o): Likewise.
9438 (ipa-inline.o): Likewise.
9439 (reorg.o): Likewise.
9440 (reg-stack.o): Likewise.
9442 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9444 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9446 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9448 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9450 * configure.ac: Completely disregard languages that are not
9452 * configure: Regenerated.
9455 * c-common.h (c_build_bitfield_integer_type): Declare.
9456 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9457 * c-common.c (c_build_bitfield_integer_type): ... here.
9459 2006-04-23 Roger Sayle <roger@eyesopen.com>
9462 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9463 a SImode SUBREG of a floating point register after no_new_pseudos.
9465 2006-04-23 Roger Sayle <roger@eyesopen.com>
9467 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9468 identify potentially eliminable registers to additionally catch
9469 VIRTUAL_INCOMING_ARGS_REGNUM.
9470 (addsi3): Update the conditions on when to use addsi_small_int.
9472 2006-04-23 Roger Sayle <roger@eyesopen.com>
9475 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9476 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9477 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9479 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9481 * fold-const.c (range_predecessor): Use operand_equal_p
9482 as the predicate for equality.
9483 (range_successor): Likewise.
9485 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9488 * config/soft-fp/op-common.h: Fix a typo.
9490 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9493 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9494 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9496 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9498 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9500 * doc/tm.texi: Fix a typo.
9502 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9504 * dwarf2out.c (struct die_struct): Document that die_sib makes
9505 a circular linked list.
9506 (FOR_EACH_CHILD): New.
9507 (reverse_die_lists): Delete.
9508 (reverse_all_dies): Delete.
9509 (add_dwarf_attr): Correct documentation.
9510 (remove_child_with_prev): New.
9511 (remove_child_TAG): Update for change to die_struct, use
9512 remove_child_with_prev.
9513 (add_child_die): Update for change to die_struct.
9514 (splice_child_die): Use remove_child_with_prev and add_child_die.
9515 (print_die): Use FOR_EACH_CHILD.
9516 (die_checksum): Likewise.
9517 (assign_symbol_names): Likewise.
9518 (output_location_lists): Likewise.
9519 (build_abbrev_table): Likewise.
9520 (calc_die_sizes): Likewise.
9521 (mark_dies): Likewise.
9522 (unmark_dies): Likewise.
9523 (unmark_all_dies): Likewise.
9524 (output_die): Likewise.
9525 (prune_unused_types_mark): Likewise.
9526 (prune_unused_types_walk): Likewise.
9527 (same_die_p): Update for change to die_struct.
9528 (break_out_includes): Likewise.
9529 (prune_unused_types_prune): Likewise.
9530 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9531 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9533 (dwarf2out_finish): Don't call reverse_all_dies.
9535 2006-04-21 Eric Christopher <echristo@apple.com>
9537 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9538 in comments and function names.
9540 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9543 * c-typeck.c (digest_init): Robustify.
9545 * c-typeck.c (pop_init_level): Simplify.
9547 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9549 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9551 2006-04-21 Paul Brook <paul@codesourcery.com>
9553 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9554 hardware floating point.
9556 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9558 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9561 2006-04-21 Nick Clifton <nickc@redhat.com>
9563 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9566 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9569 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9570 C++ lang type in traceback table for Objective-C++.
9572 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9574 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9576 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9578 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9581 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9582 were errors. Remove check for erroneous objects.
9584 2006-04-20 Jeff Law <law@redhat.com>
9586 PR tree-optimization/26854
9587 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9588 checking for zero or one use.
9589 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9590 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9591 * tree-ssa-reassoc.c (negate_value): Similarly.
9592 (reassociate_bb): Similarly.
9594 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9596 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9597 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9598 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9600 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9602 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9603 fp regs if the last fp arg doesn't fit in regs.
9605 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9608 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9609 that the last insn has the REG_INC note.
9611 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9612 Nathan Sidwell <nathan@codesourcery.com>
9615 * stor-layout.c (update_alignment_for_field): Do not align
9617 (place_union_field): Place union field at the start of the union.
9618 (place_field): Move ERROR_MARK check later, and use the current
9619 allocation position to maintain monotonicity.
9621 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9623 * dominance.c: Include timevar.h.
9624 (calculate_dominance_info): Use TV_DOMINANCE.
9625 * timevar.def (TV_DOMINANCE): New timevar.
9626 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9628 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9630 PR rtl-optimization/14261
9631 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9632 move would be an INSV insn.
9633 (noce_process_if_block): Don't optimize if the destination is a
9634 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9636 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9638 * config/s390/s390.md: Add comments with the instructions emitted
9639 by an insn pattern if macros are used.
9641 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9643 PR rtl-optimization/26026
9644 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9645 is a known power of two shifted left a variable amount.
9647 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9649 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9650 to hash table twice when the debug_str section has SECTION_MERGE.
9652 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9654 * config/soft-fp: New directory. From glibc.
9655 * config/soft-fp/t-softfp: New.
9656 * config/soft-fp/README: New.
9657 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9658 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9659 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9660 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9661 * config.gcc: Use rs6000/t-fprules-fpbit or
9662 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9664 * config/rs6000/sfp-machine.h: New. Based on glibc.
9665 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9667 * config/rs6000/t-fprules: Remove fp-bit rules.
9668 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9669 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9670 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9671 (softfp_wrap_start, softfp_wrap_end): New.
9673 2006-04-18 DJ Delorie <dj@redhat.com>
9675 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9677 2006-04-18 Devang Patel <dpatel@apple.com>
9679 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9681 2006-04-18 Nick Clifton <nickc@redhat.com>
9683 * config/sh/t-symbian: Add rule to build sh-c.o
9684 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9685 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9686 (sh_symbian_encode_section_info): Likewise.
9688 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9690 * builtins.c (expand_builtin_strcmp): Cover label definition of
9691 do_libcall with HAVE_cmpstrnsi.
9693 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9695 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9697 * function.h (temp_slot_p): New.
9698 (function): Change the type of x_used_temp_slots to
9699 VEC(temp_slot_p,gc) *.
9701 2006-04-18 Nick Clifton <nickc@redhat.com>
9703 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9704 flag_strength_reduce.
9706 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9708 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9712 Partial revert of revision 112637
9713 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9714 Dale Johannesen <dalej@apple.com>
9717 * regclass.c (struct reg_pref): Update documentation.
9718 (regclass): Set prefclass to NO_REGS if memory is the best option.
9719 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9721 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9723 PR tree-optimization/26821
9724 * tree-ssa-math-opts.c (get_constant_one): New.
9725 (insert_reciprocals): Use it.
9727 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9729 * dwarf2out.c (free_AT): Delete.
9730 (remove_AT): Update string ref counts.
9731 (remove_child_TAG): Don't call free_die.
9733 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9734 or DW_TAG_GNU_EINCL.
9735 (prune_unused_types_walk_attribs): Reset string refcounts.
9736 (prune_unused_types_update_strings): New.
9737 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9738 call free_die. Do call prune_unused_types_update_strings.
9739 (prune_unused_types): Empty debug_str_hash.
9741 2006-04-17 Roger Sayle <roger@eyesopen.com>
9743 * expr.c (expand_assignment): Optimize away no-op moves where the
9744 source and destination are equal and have no side-effects.
9746 2006-04-17 Richard Guenther <rguenther@suse.de>
9749 * reload.c (push_reload): Guard calls to get_secondary_mem
9752 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9754 * alias.c (reg_base_value, old_reg_base_value): Change the
9755 type to VEC(rtx,gc) *.
9756 (REG_BASE_VALUE, find_base_value, record_set,
9757 init_alias_analysis): Use VEC instead of VARRAY.
9759 * alias.c (alias_sets): Change the type to
9760 VEC(alias_set_entry,gc) *.
9761 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9762 VEC instead of VARRAY.
9763 (last_alias_set): Remove.
9765 * cgraph.h (cgraph_edge_p): New.
9766 Update the prototype of cgraph_function_versioning.
9767 * cgraphunit.c (cgraph_copy_node_for_versioning,
9768 cgraph_function_versioning): Use VEC instead of VARRAY.
9769 * ipa-cp.c (ipcp_insert_stage): Likewise.
9771 2006-04-16 Roger Sayle <roger@eyesopen.com>
9774 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9775 "A op B" or "A op C", we may need to convert A to the type of B and C.
9777 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9779 * target.h (struct gcc_target): Add mode_rep_extended.
9780 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9781 (init_num_sign_bit_copies_in_rep): Initialize it using
9783 (truncate_to_mode): Use it.
9784 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9785 * targhooks.h (default_mode_rep_extended): Declare it.
9786 * targhooks.c (default_mode_rep_extended): Define it.
9787 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9788 default_mode_rep_extended.
9789 (TARGET_INITIALIZER): Include it.
9790 * doc/tm.texi (Misc): Document it.
9791 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9792 (mips_truncated_to_mode): New function.
9794 2006-04-16 Roger Sayle <roger@eyesopen.com>
9797 * expr.c (compress_float_constant): Copy the narrow constant into
9798 a new pseudo before extending it to its final width.
9800 2006-04-16 Roger Sayle <roger@eyesopen.com>
9801 Andrew Pinski <pinskia@gcc.gnu.org>
9802 Dale Johannesen <dalej@apple.com>
9805 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9806 special case code to implement V8HImode and V16QImode with SSE2.
9808 2006-04-15 Roger Sayle <roger@eyesopen.com>
9810 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9811 trees are constructed with a suitable tree type.
9813 2006-04-15 Roger Sayle <roger@eyesopen.com>
9815 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9816 (integer_onep): Likewise.
9817 (integer_all_onesp): Likewise.
9818 (integer_pow2p): Likewise.
9819 (integer_nonzerop): Likewise.
9820 (real_zerop): Likewise.
9821 (real_onep): Likewise.
9822 (real_twop): Likewise.
9823 (real_minus_onep): Likewise.
9824 (int_size_in_bytes): Likewise.
9825 (host_integerp): Likewise.
9827 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9829 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9830 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9831 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9833 * tree-ssa-structalias.h (alias_info): Remove num_references.
9835 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9837 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9838 (output_bvb patterns): Likewise.
9839 * pa.c (output_bb): Use 'bb' insn for long branch case.
9840 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9841 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9842 1. Correct length operand for alternatives 1 and 2.
9843 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9844 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9846 2006-04-14 Roger Sayle <roger@eyesopen.com>
9848 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9849 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9850 were accidentally reverted by r112959.
9852 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9855 * except.h (eh_region_outermost): New prototype.
9856 * except.c (eh_region_outermost): New function.
9857 * tree-cfg.c (find_outermost_region_in_block): Use it.
9859 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9861 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9863 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9864 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9865 (init_reload, reload): Use VEC instead of VARRAY.
9866 * reload.h: Update the prototype for
9867 reg_equiv_memory_loc_varray.
9869 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9870 Eric Botcazou <ebotcazou@libertysurf.fr>
9872 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9875 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9878 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9879 to expand fallback builtin function call.
9881 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9884 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9885 and emit libcall here in case the builtin fails.
9886 (expand_builtin_strcmp): Always emit the libcall here on failure.
9888 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9890 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9891 * flow.c (reg_n_info): Change the type to
9892 VEC(reg_info_p,heap) *.
9893 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9895 * regs.h (reg_info_p): New.
9896 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9897 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9898 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9901 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9903 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9905 * params.h (MAX_SCHED_READY_INSNS): New macro.
9906 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9907 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9908 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9909 the ready list for 1 cycle during the first scheduling pass.
9910 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9912 2006-04-13 Richard Henderson <rth@redhat.com>
9915 * gimple-low.c (lower_omp_directive): Remove dead code.
9916 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9917 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9918 * omp-low.c (struct omp_region): Move to tree-flow.h.
9919 (root_omp_region): Export.
9920 (omp_regions, lookup_omp_region): Remove.
9921 (determine_parallel_type): Update for struct omp_region changes.
9922 (dump_omp_region): Dump regions with block numbers.
9923 (new_omp_region): Take type and block instead of stmt; malloc
9925 (free_omp_region_1, free_omp_regions): New.
9926 (expand_parallel_call): Take entry_stmt as argument; update for
9927 changes to omp_region.
9928 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9929 (remove_exit_barriers): New.
9930 (expand_omp_parallel): Update for struct omp_region changes.
9931 (expand_omp_synch): Likewise.
9932 (expand_omp): Likewise.
9933 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9934 (expand_omp_for_static_chunk): Likewise.
9935 (expand_omp_for): Likewise.
9936 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9937 (expand_omp_sections): Similarly, with GOMP_sections_end.
9938 (expand_omp_single): New.
9939 (build_omp_regions_1): Update for OMP_CONTINUE.
9940 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9941 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9942 OMP_SECTIONS_SECTIONS.
9943 (lower_omp_single_simple): Don't emit barrier here.
9944 (lower_omp_single_copy): Likewise.
9945 (lower_omp_single): Fix bindings, and lower to straightline now.
9946 (lower_omp_master, lower_omp_ordered): Likewise.
9947 (lower_omp_critical): Likewise.
9948 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9949 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9950 omp edges, free it afterward.
9951 (make_omp_sections_edges): Remove.
9952 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9953 (move_stmt_r): Handle OMP_CONTINUE.
9954 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9955 statement pointers to basic blocks. Add type member.
9956 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9957 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9958 * tree-inline.c (estimate_num_insns_1): Likewise.
9959 * tree-pretty-print.c (dump_generic_node): Likewise.
9960 * tree-ssa-operands.c (get_expr_operands): Likewise.
9961 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9962 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9963 (OMP_CONTINUE): New.
9964 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9965 (OMP_SECTIONS_SECTIONS): Remove.
9966 (OMP_SECTION_LAST): New.
9967 (OMP_RETURN_NOWAIT): New.
9969 2006-04-13 Roger Sayle <roger@eyesopen.com>
9971 * fold-const.c (native_encode_vector, native_interpret_real):
9972 Correct obvious mistakes in the previous check-in.
9974 2006-04-13 Roger Sayle <roger@eyesopen.com>
9976 * fold-const.c (native_encode_expr): New function to encode
9977 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9978 or VECTOR_CST into a specified buffer.
9979 (native_encode_int): New function.
9980 (native_encode_real): New function.
9981 (native_encode_complex): New function.
9982 (native_encode_vector): New function.
9983 (native_interpret_expr): Inverse of native_encode_expr to convert
9984 a target representation into an INTEGER_CST, REAL_CST etc...
9985 (native_interpret_int): New function.
9986 (native_interpret_real): New function.
9987 (native_interpret_complex): New function.
9988 (native_interpret_vector): New function.
9989 (fold_view_convert_expr): New function to constant fold/evaluate
9990 a VIEW_CONVERT_EXPR of a suitable constant expression.
9991 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9992 Change call of build1 to fold_build1 when constructing a
9995 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9996 Ulrich Weigand <uweigand@de.ibm.com>
9999 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10002 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10005 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10006 optimize to lo_sum for DFmode if !TARGET_FPRS.
10008 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10010 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10011 delete_alias_info, compute_flow_sensitive_aliasing,
10012 group_aliases): Use VEC instead of VARRAY.
10013 * tree-ssa-structalias.c (update_alias_info): Likewise.
10014 * tree-ssa-structalias.h (alias_info): Change the type of
10015 processed_ptrs to VEC(tree,heap) *.
10017 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10020 * config/sh/lib1funcs.h: New file, broken out of:
10021 * config/sh/lib1funcs.asm.
10022 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10024 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10025 * config/sh/lib1funcs-Os-4-200.asm: New file.
10026 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10027 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10028 (EXTRA_MULTILIB_PARTS): Include it.
10029 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10030 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10031 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10032 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10035 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10037 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10038 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10039 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10041 * tree-ssa-live.h: Include vecprim.h.
10042 (tree_partition_associator_d): Change the type of
10043 first_partition to VEC(int,heap) *.
10044 (tpa_first_partition): Use VEC instead of VARRAY.
10046 * Makefile.in (GTFILES): Move functions.h after tree.h.
10047 * function.c (reset_block_changes, record_block_change,
10048 check_block_change, free_block_changes): Use VEC instead of
10050 * function.h (function): Change the type of
10051 ib_boundaries_block to VEC(tree,gc) *.
10052 * tree-inline.c (copy_cfg_body): Initialize
10053 ib_boundaries_block to NULL instead of (varray_type) 0.
10055 2006-04-12 Roger Sayle <roger@eyesopen.com>
10057 * expr.c (emit_group_store): Correct operand order in call to
10058 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10059 a SUBREG_BYTE of zero.
10061 2006-04-12 Richard Guenther <rguenther@suse.de>
10063 * profile.c (compute_branch_probabilities): Remove code
10064 encapsulated in !ir_type (), which are remanents of the
10065 removed RTL profiling code.
10066 * rtl-profile.c: Remove.
10068 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10070 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10071 magic NULL_RTX comment.
10072 (function_arg): Store entire fp arg to mem if any part should go
10074 (rs6000_arg_partial_bytes): Adjust for above change.
10076 2006-04-11 Roger Sayle <roger@eyesopen.com>
10078 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10079 if it hasn't been initialized by dwarf2out_init.
10081 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10083 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10084 symbolic constants in branch patterns.
10086 2006-04-11 Roger Sayle <roger@eyesopen.com>
10088 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10090 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10092 PR rtl-optimization/27073
10093 * gcse.c (try_replace_reg): Revert last change. Continue to search
10094 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10097 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10099 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10100 aggregate types other than record and union types.
10101 (function_arg): Likewise.
10102 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10104 (function_value): In 64-bit mode, return objects that require it
10107 2006-04-11 Roger Sayle <roger@eyesopen.com>
10109 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10111 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10113 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10115 2006-04-03 Jeff Law <law@redhat.com>
10118 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10119 alias information too.
10121 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10123 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10125 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10128 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10129 (premark_used_types_helper): New.
10130 (premark_used_types): New.
10131 (gen_subprogram_die): Call premark_used_types.
10132 (prune_unused_types_walk): Do not prune perennial dies.
10133 * function.c (used_types_insert): New.
10134 * function.h (struct function): Add used_types_hash field.
10135 (used_types_insert): Add prototype.
10136 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10137 * c-parser.c (c_parser_cast_expression): Save casted types in used
10140 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10143 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10144 rs6000_explicit_options.float_gprs.
10146 2006-04-10 Roger Sayle <roger@eyesopen.com>
10148 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10149 from ix86_expand_vector_init_low_nonzero. Take an additional
10150 one_var argument indicating which element is non-zero. Support
10151 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10152 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10153 with one_var instead of ix86_expand_vector_init_low_nonzero.
10155 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10157 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10158 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10159 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10160 build/genextract.o): Depend on vecprim.h.
10161 * cfglayout.c, df-problems.c, function.c, genextract.c,
10162 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10163 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10167 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10169 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10170 Declare VECs of this type.
10171 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10172 (remove_children): Delete.
10173 (add_dwarf_attr): Use VEC routines.
10174 (add_AT_flag): Update for changes to add_dwarf_attr.
10175 (add_AT_int): Likewise.
10176 (add_AT_unsigned): Likewise.
10177 (add_AT_long_long): Likewise.
10178 (add_AT_vec): Likewise.
10179 (add_AT_string): Likewise.
10180 (add_AT_die_ref): Likewise.
10181 (add_AT_fde_ref): Likewise.
10182 (add_AT_loc): Likewise.
10183 (add_AT_loc_list): Likewise.
10184 (add_AT_addr): Likewise.
10185 (add_AT_lbl_id): Likewise.
10186 (add_AT_lineptr): Likewise.
10187 (add_AT_macptr): Likewise.
10188 (add_AT_offset): Likewise.
10189 (add_AT_range_list): Likewise.
10190 (get_AT): Use VEC_iterate.
10191 (remove_AT): Use VEC_ordered_remove.
10192 (free_die): Fold remove_children into here; have it use VEC_iterate.
10193 (print_die): Use VEC_iterate on attrs.
10194 (reverse_die_lists): Don't reverse attr lists.
10195 (die_checksum): Use VEC_iterate on attrs.
10196 (same_die_p): Likewise.
10197 (output_location_lists): Likewise.
10198 (build_abbrev_table): Likewise.
10199 (size_of_die): Likewise.
10200 (unmark_all_dies): Likewise.
10201 (output_abbrev_section): Likewise.
10202 (output_die): Likewise.
10203 (prune_unused_types_walk_attribs): Likewise.
10205 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10207 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10209 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10212 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10214 2006-04-09 Roger Sayle <roger@eyesopen.com>
10216 * expr.c (store_constructor): Don't bother clearing target if
10217 we're about to assign a vector to it using vec_init_optab.
10219 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10221 * tree-ssa-alias.c (lhs_may_store_to): New function.
10222 (recalculate_used_alone): Handle LHS of calls.
10224 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10228 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10229 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10230 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10231 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10232 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10233 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10234 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10235 stubs. Add ".align 8" directives before all ".dword" directives.
10236 (GTHREAD_USE_WEAK): Revise comment.
10237 (TARGET_ATTRIBUTE_WEAK): Define.
10238 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10239 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10240 * stublib.c: New file.
10245 * pa.md (cbranch patterns): Revise arguments used in calls to
10246 output_cbranch, output_bb and output_bvd. Add long branch length
10248 (fbranch patterns): Handle long branches.
10249 (jump): Revise length check. Revise arguments for output_lbranch call.
10250 Add long branch length attributes.
10251 (decrement_and_branch_until_zero): Add long branch length attributes.
10252 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10253 Likewise. Revise arguments for output_parallel_addb and
10254 output_parallel_movb calls.
10255 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10256 output_parallel_movb and output_parallel_addb): Update prototypes.
10257 * pa.c (output_cbranch): Revise arguments. Correct handling of
10258 nullification in long branches.
10259 (output_lbranch): Add new argument to control extraction of delay
10261 (output_bb): Handle long branches.
10262 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10263 output_parallel_addb): Likewise.
10265 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10267 PR rtl-optimization/27073
10268 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10271 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10273 * tree.h (tree_memory_tag): Add old_used_alone.
10274 (SMT_OLD_USED_ALONE): New macro.
10275 * tree-ssa-alias.c (recalculate_used_alone): Stop
10276 marking things for renaming unnecessarily.
10278 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10280 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10281 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10282 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10283 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10284 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10285 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10286 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10287 spelling convensions.
10288 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10289 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10290 typos. Follow spelling conventions.
10292 2006-04-07 DJ Delorie <dj@redhat.com>
10294 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10295 passed on the stack.
10296 (m32c_init_cumulative_args): When a function returns a structure,
10297 always pass the pointer to that return area on the stack.
10298 (m32c_function_arg_advance): Don't increment the parameter number
10299 if we're processing the returned structure pointer.
10300 (pushm_info): Reverse order of registers.
10302 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10304 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10305 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10306 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10307 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10308 build_int_cst_type.
10309 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10310 chrec_fold_multiply): Same.
10311 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10312 force_expr_to_var_cost): Same.
10313 * tree-mudflap.c (mf_xform_derefs_1): Same.
10314 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10316 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10318 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10319 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10322 2006-04-07 Jan Hubicka <jh@suse.cz>
10324 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10326 2006-04-07 Richard Guenther <rguenther@suse.de>
10328 PR tree-optimization/26135
10329 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10330 loads for store copy-prop.
10331 (copy_prop_visit_stmt): Likewise.
10333 2006-04-05 Robert Millan <robertmh@gnu.org>
10335 * config/i386/linux.h: Add a comment to mark macros that are
10336 being overriden in config/k*bsd-gnu.h.
10337 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10339 * config/knetbsd-gnu.h: Ditto.
10341 2006-04-06 Jan Hubicka <jh@suse.cz>
10345 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10348 2006-04-06 Mike Stump <mrs@apple.com>
10350 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10351 for HAVE_nonlocal_goto to be consistent.
10352 (expand_builtin_nonlocal_goto): Likewise.
10353 (expand_builtin_strcmp): Use #ifdef instead of #if
10354 for HAVE_cmpstrnsi to be consistent.
10356 2006-04-05 DJ Delorie <dj@redhat.com>
10358 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10361 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10363 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10364 got-relative addressing for anything but SImode.
10366 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10367 even if the calling function doesn't modify them.
10369 2006-04-05 Richard Guenther <rguenther@suse.de>
10371 PR tree-optimization/26919
10372 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10373 to cgraph_estimate_size_after_inlining.
10375 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10377 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10379 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10381 PR tree-optimization/26996
10382 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10383 VECTOR_TYPE variables.
10385 2006-04-05 Richard Guenther <rguenther@suse.de>
10387 PR tree-optimization/26763
10388 * fold-const.c (fold_comparison): Move folding of
10389 PTR + CST CMP PTR + CST ...
10390 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10392 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10394 * doc/install.texi (Prerequisites): Refine some wording on
10395 bootstrapping and ksh.
10396 Move the version numbers of DejaGnu here from the testing section
10397 and fix casing of names.
10398 Fix markup and clarify wording for autogen requirements.
10399 Refer to GCJ instead of just java.
10400 Refer to SVN instead of CVS.
10401 Describe diffutils as useful instead of necessary.
10402 (Downloading the source): Refer to SVN instead of CVS.
10403 Adjust a link to our web site accordingly.
10404 (Configuration): Fix casing of Bison.
10405 (Building): Refer to SVN instead of CVS.
10406 Fix a sentence on the use of Bison and remove duplicate (and
10407 incorrect) version number of Bison requirement.
10408 Remove one redundant list of packages needed for building.
10409 (Specific): Avoid reference to CVS.
10411 2006-04-04 Eric Christopher <echristo@apple.com>
10413 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10414 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10415 (rs6000_handle_struct_attribute): New.
10416 (rs6000_ms_bitfield_layout_p): Ditto.
10418 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10420 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10421 NULL for dso parameter to atexit_common.
10423 2006-04-04 Eric Christopher <echristo@apple.com>
10425 * config/i386/i386.c (machopic_output_stub): Output \t
10426 between instructions and operands.
10428 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10430 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10431 satisfies_constraint_[IL] to explicit tests on value.
10433 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10435 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10436 set_nb_iterations_in_loop): Use build_int_cst instead of
10437 build_int_cst_type.
10438 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10439 build_int_cst instead of convert.
10441 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10443 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10444 new value 2 for incoming.
10445 * function.c (expand_function_start): Call struct_value_rtx
10446 with incoming as 2.
10447 * config/sparc/sparc.md: Comment updated_return.
10448 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10449 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10450 struct return if sparc_std_struct_return and incoming is 2.
10451 (print_operand): Do not adjust return if
10452 sparc_std_struct_return.
10454 2006-04-04 Roger Sayle <roger@eyesopen.com>
10456 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10457 convert in the middle-end.
10458 * expr.c (store_expr, store_constructor, get_inner_reference,
10459 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10461 * tree.c (build_range_type): Likewise.
10463 2006-04-04 Tom Tromey <tromey@redhat.com>
10465 * doc/install.texi (Prerequisites): Mention jar.
10467 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10469 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10472 2006-04-04 Matthias Klose <doko@debian.org>
10474 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10478 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10481 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10483 * doc/extend.texi (Function Attributes): Rewrite visibility
10484 attribute documentation.
10485 * doc/invoke.texi (C++ Dialect Options): Rewrite
10486 -fvisibility-inlines-hidden documentation to describe something
10487 entirely different, although in practise compatible.
10488 (Code Gen Options): Warn about system headers in -fvisibility=
10491 * doc/extend.texi (Other Builtins): Document that
10492 __builtin_nan is a compile-time constant only when its argument
10495 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10497 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10498 trying to remove TRUNCATE check if all bits outside the new mode
10499 are identical to the sign bit.
10501 2006-04-03 Jeff Law <law@redhat.com>
10503 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10504 and operand scanning in some common cases.
10506 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10507 Dale Johannesen <dalej@apple.com>
10510 * regclass.c (struct reg_pref): Update documentation.
10511 (regclass): Set prefclass to NO_REGS if memory is the best option.
10512 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10513 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10514 into account. For non-registers, equate an empty preferred
10515 reload class to a `!' in the constraint; move the if clause to
10516 do so after those that reject the insn.
10517 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10519 (find_dummy_reload): Likewise.
10520 * doc/tm.texi (Register Classes): Document what it means
10521 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10522 * config/i386/i386.c (ix86_preferred_reload_class): Force
10523 using SSE registers (and return NO_REGS for floating-point
10524 constants) if math is done with SSE.
10525 (ix86_preferred_output_reload_class): New.
10526 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10527 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10528 * config/i386/i386.md: Remove # register preferences.
10530 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10533 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10534 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10535 the type of nb_iter.
10536 (instantiate_parameters_1): Convert the operands before calling
10537 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10538 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10540 2006-04-02 Roger Sayle <roger@eyesopen.com>
10542 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10543 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10544 instead of convert.
10545 * dojump.c (do_jump): Likewise.
10546 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10547 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10548 gimplify_boolean_expr): Likewise.
10549 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10550 * varasm.c (array_size_for_constructor): Likewise.
10551 * tree-object-size.c (compute_object_offset): Likewise.
10553 2006-04-02 Roger Sayle <roger@eyesopen.com>
10555 PR middle-end/26977
10556 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10557 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10559 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10561 PR tree-optimization/26939
10562 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10564 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10566 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10567 at_stmt. Convert the type of operands before calling
10568 build_polynomial_chrec.
10569 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10570 add_to_evolution_1.
10571 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10572 (instantiate_parameters_1): Convert the type of operands before calling
10573 build_polynomial_chrec.
10574 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10575 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10576 reset_evolution_in_loop): Insert asserts to check the types of the
10578 (chrec_type): Moved...
10579 (eq_evolutions_p): Use operand_equal_p.
10580 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10581 the types of the operands.
10582 (chrec_type): ...here.
10583 * tree-data-ref.c (create_data_ref): Convert the operands before
10584 calling chrec_replace_initial_condition.
10585 (same_access_functions, analyze_subscript_affine_affine,
10586 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10587 (compute_subscript_distance, analyze_ziv_subscript,
10588 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10589 analyze_miv_subscript): Convert the operands before calling
10590 chrec_fold_minus or chrec_fold_plus.
10592 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10594 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10595 the dependence_relations vector.
10596 (compute_data_dependences_for_loop): Adjust call to
10597 compute_all_dependences.
10599 2006-04-01 Roger Sayle <roger@eyesopen.com>
10600 Richard Henderson <rth@redhat.com>
10602 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10603 gimple_boolify on the condition before calling gimplify_expr.
10605 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10607 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10608 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10609 the frame size. Update to use the new macros.
10610 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10611 * config/xtensa/ieee754-df.S: Likewise.
10613 2006-03-31 Richard Henderson <rth@redhat.com>
10615 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10616 (make_edges): ... here. Control fallthru creation with a local
10617 variable. Do not play with fake edges.
10618 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10619 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10622 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10624 * dwarf2.h (DW64_CIE_ID): Define.
10625 * dwarf2out.c (DWARF_CIE_ID): Define.
10626 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10627 length header. Use DWARF_CIE_ID.
10628 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10629 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10631 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10633 * config/sh/linux-atomic.asm: New file.
10634 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10636 2006-03-31 DJ Delorie <dj@redhat.com>
10638 * config/m32c/cond.md: Set condition flags properly throughout.
10639 * config/m32c/minmax.md: Likewise.
10640 * config/m32c/prologue.md: Likewise.
10641 * config/m32c/bitops.md: Likewise.
10642 * config/m32c/muldiv.md: Likewise.
10643 * config/m32c/mov.md: Likewise.
10644 * config/m32c/addsub.md: Likewise.
10645 * config/m32c/m32c.md: Likewise.
10646 * config/m32c/jump.md: Likewise.
10647 * config/m32c/shift.md: Likewise.
10649 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10650 conditionally output the pattern for this.
10651 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10652 (m32c_compare_redundant): New.
10653 (m32c_output_compare): New.
10654 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10656 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10657 dest, not src. Allow other 4-byte modes.
10659 2006-03-30 Denis Chertykov <denisc@overta.ru>
10661 * doc/md.texi: Refer to avr/constraints.md instead of
10664 2006-03-30 Roger Sayle <roger@eyesopen.com>
10666 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10667 signed vs. unsigned comparison failures on some hosts.
10669 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10672 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10673 change to FLOAT_REGS.
10675 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10676 (rs6000_override_options): Use it.
10677 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10678 only for -mabi=spe/no-spe and -mabi=altivec.
10680 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10682 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10685 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10687 * Makefile.in: Rename docdir to gcc_docdir.
10689 2006-03-30 Roger Sayle <roger@eyesopen.com>
10692 * expr.c (emit_group_store): Optimize group stores into a pseudo
10693 register by using a paradoxical subreg to initialize the destination
10694 if the first or last member of the group specifies a "low part".
10696 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10699 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10700 * target.h (struct gcc_target.speculate_insn): Change type of the
10701 second parameter to 'int'.
10702 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10703 the second operand of the DEPS_LIST.
10704 (copy_DEPS_LIST_list): Update reference to the second operand of the
10706 * rtl.h (alloc_DEPS_LIST): Update signature.
10707 * sched-int.h (ds_t): Change typedef to 'int'.
10708 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10710 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10712 * haifa-sched.c (try_ready): Change condition to restore
10713 non-speculative pattern of the instruction.
10714 (process_insn_depend_be_in_spec): Code to keep probability of the
10715 speculative dependence non-decreasing.
10717 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10719 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10720 (single_move_for_movmem): ... this. Also change all uses.
10721 (bfin_expand_strmov): Renamed to...
10722 (bfin_expand_movmem): ... this. Also change all uses.
10723 * config/bfin/bfin.md (movstrsi): Renamed to...
10724 (movstrsi): ...this.
10726 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10728 PR tree-optimization/26830
10730 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10731 (copy_prop_visit_stmt): Remove write-only variable ann.
10732 (init_copy_prop): Check variable loop depth here. Do not simulate
10733 memory-tag and virtual operand PHIs except for store copy prop.
10735 2006-03-30 Richard Guenther <rguenther@suse.de>
10737 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10738 variants with double arguments.
10740 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10742 * genpreds.c (write_tm_constrs_h): Delete variable p.
10743 * genconditions.c (write_header): Add tm-constrs.h to included
10745 * genpeep.c (main): Add toplev.h to included headers.
10746 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10747 (build/genpeep.o): Add toplev.h dependency.
10748 * config/rs6000/constraints.md: Add "W" constraint.
10750 2006-03-29 Roger Sayle <roger@eyesopen.com>
10752 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10753 sizes by correctly testing whether the size fits a host integer.
10754 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10755 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10756 SImode range for the default sizetype and bitsizetype.
10758 2006-03-29 Roger Sayle <roger@eyesopen.com>
10760 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10761 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10762 quickly if the argument is already of the correct type.
10763 Call fold_build1 instead of build1. Tidy up blank lines.
10765 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10767 * genemit.c (main): Add tm-constrs.h to included headers.
10768 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10769 * genpeep.c (main): Add tm-constrs.h to included headers.
10770 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10771 (write_tm_constrs_h): this and write complete file.
10772 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10773 (write_insn_preds_c): Add tm-constrs.h to included headers.
10774 (gen_constrs): New variable.
10775 (parse_option): Parse "-c".
10776 (main): Invoke write_tm_constrs_h.
10777 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10778 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10779 (object_out_file): Add tm-constrs.h dependency.
10780 (insn-emit.o): Same.
10781 (insn-output.o): Same.
10782 (insn-peep.o): Same.
10783 (insn-preds.o): Same.
10784 (insn-recog.o): Same.
10785 (tm-constsr.h): New target.
10786 (s-constrs-h): New target.
10788 * config/rs6000/constraints.md: New file.
10789 * config/rs6000/rs6000.c: Include tm-constrs.h.
10790 (num_insn_constant_wide): Convert to satisfies_constraint.
10791 (rs6000_rtx_costs): Convert to satisfies_constraint.
10792 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10793 (CONST_OK_FOR_LETTER_P): Delete.
10794 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10795 (EXTRA_CONSTRAINT): Delete.
10796 (EXTRA_MEMORY_CONSTRAINT): Delete.
10797 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10798 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10799 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10800 satisfies_constraint.
10802 * config/i386/i386.c: Include tm-constrs.h.
10804 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10806 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10807 * tree-data-ref.c (find_data_references_in_loop,
10808 compute_data_dependences_for_loop): Use pointers to VEC.
10809 (analyze_all_data_dependences): Adjust calls.
10810 * tree-data-ref.h (find_data_references_in_loop,
10811 compute_data_dependences_for_loop): Adjust declarations.
10812 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10813 compute_data_dependences_for_loop.
10815 2006-03-29 Paul Brook <paul@codesourcery.com>
10817 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10818 (movdf_vfp): Ditto.
10820 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10822 PR tree-optimization/26859
10823 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10825 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10826 for the step after fold_convert.
10828 2006-03-29 Paul Brook <paul@codesourcery.com>
10830 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10831 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10833 2006-03-29 Paul Brook <paul@codesourcery.com>
10835 PR middle-end/23623
10836 * targhooks.c (default_narrow_bitfield): New fuction.
10837 * targhooks.h (default_narrow_bitfield): add prototype.
10838 * target.h (gcc_target): Add narrow_volatile_bitfield.
10839 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10840 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10841 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10842 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10844 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10846 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10848 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10849 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10850 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10851 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10852 (s390_function_arg_float): Allow SDmode and DDmode values to be
10853 passed in floating point registers.
10854 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10855 check with SCALAR_FLOAT_MODE_P.
10856 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10858 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10860 PR tree-optimization/25985
10861 * tree-ssa-loop-niter.c (number_of_iterations_le,
10862 number_of_iterations_ne): Make comments more precise.
10863 (number_of_iterations_cond): Add only_exit argument. Use the
10864 fact that signed variables do not overflow only when only_exit
10866 (loop_only_exit_p): New.
10867 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10868 number_of_iterations_cond.
10870 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10872 PR tree-optimization/26643
10873 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10876 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10878 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10879 (divsi3_i4_int): Likewise.
10881 2006-03-28 Roger Sayle <roger@eyesopen.com>
10883 * expr.c (emit_group_store): Only create a new pseudo reg if the
10884 quantity it needs to hold isn't already a suitable pseudo.
10886 2006-03-28 Jeff Law <law@redhat.com>
10888 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10889 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10891 2006-03-28 Roger Sayle <roger@eyesopen.com>
10893 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10894 the equivalent ~X & Y, and the symmetry related transformations.
10895 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10896 ~X & Y, and symmetry related transforms.
10898 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10900 Revert my 2006-03-27 patches.
10902 2006-03-28 Roger Sayle <roger@eyesopen.com>
10904 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10905 ~(T1)X, when T1 and T2 are integer types of the same precision
10906 and (T2)X isn't an extension.
10908 2006-03-28 Jeff Law <law@redhat.com>
10910 PR tree-optimization/26796
10911 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10912 need EH edge cleanups rather than purging them immediately.
10913 (eliminate_degenerate_phis): Handle queued EH cleanups.
10915 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10917 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10920 2006-03-27 Roger Sayle <roger@eyesopen.com>
10922 PR middle-end/22524
10923 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10924 cast BIT_NOT_EXPR operand to the correct type.
10926 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10928 * tree-loop-linear.c: Don't include varray.h.
10929 (gather_interchange_stats, try_interchange_loops,
10930 linear_transform_loops): Use VEC instead of VARRAY.
10931 * lambda-mat.c: Don't include varray.h.
10932 * tree-chrec.c: Same.
10933 * lambda-trans.c: Same.
10934 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10935 VEC instead of VARRAY.
10936 * tree-vectorizer.h: Idem.
10937 * tree-data-ref.c (dump_data_references,
10938 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10939 initialize_data_dependence_relation, finalize_ddr_dependent,
10940 compute_all_dependences, find_data_references_in_loop,
10941 compute_data_dependences_for_loop, analyze_all_data_dependences,
10942 free_dependence_relation, free_dependence_relations,
10943 free_data_refs): Idem.
10944 * tree-data-ref.h (data_reference_p, subscript_p): New.
10945 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10946 VEC instead of VARRAY.
10947 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10948 (find_data_references_in_loop, compute_data_dependences_for_loop,
10949 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10950 dump_data_dependence_relations, free_dependence_relations,
10951 free_data_refs): Adjust declaration.
10952 (lambda_transform_legal_p): Move declaration here...
10953 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10954 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10955 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10956 vect_analyze_data_refs): Use VEC instead of VARRAY.
10957 * lambda.h (lambda_transform_legal_p): ...from here.
10958 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10959 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10960 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10961 tree-chrec.o): Don't depend on VARRAY_H.
10963 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10965 * rtl.def (Copyright): Update date.
10966 (DEPS_LIST): Change type of the second operand to 'int'.
10967 * target.h (Copyright): Update date.
10968 (struct gcc_target.speculate_insn): Change type of the second parameter
10970 * lists.c (Copyright): Update date.
10971 (alloc_DEPS_LIST): Change signature. Update reference to the second
10972 operand of the DEPS_LIST.
10973 (copy_DEPS_LIST_list): Update reference to the second operand of the
10975 * rtl.h (Copyright): Update date.
10976 (alloc_DEPS_LIST): Update signature.
10977 * sched-int.h (Copyright): Update date.
10978 (ds_t): Change typedef to 'int'.
10979 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10981 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10983 * haifa-sched.c (Copyright): Update date.
10984 (try_ready): Change condition to restore non-speculative pattern
10985 of the instruction.
10986 (process_insn_depend_be_in_spec): Code to keep probability of the
10987 speculative dependence non-decreasing.
10989 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10991 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10992 shut up the compiler.
10994 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10996 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10997 to use lib prefix for target.
10998 ($(T)libic_invalidate_array_4-200.a): Likewise.
10999 ($(T)libic_invalidate_array_4a.a): Likewise.
11001 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11002 J"orn Rennecke <joern.rennecke@st.com>
11004 * superh.opt: New file.
11005 * sh.c (boardtype, osruntime): Remove.
11006 * superh.h (SUBTARGET_OPTIONS): Remove.
11007 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11009 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11010 arguments with ^ and/or [].
11012 * config.gcc (sh-*-*): Add quoting to account for quirk of
11014 Replace == with = in enable_incomplete_targets test.
11016 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11017 with MASK_LITTLE_ENDIAN.
11019 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11020 * config/sh/sh.opt: Added to some comments.
11021 * config/sh/superh.h: Removed some chaff.
11023 * config/sh/sh.opt: Add m4-[1234]00* options.
11024 * config/sh/sh.c (sh_handle_option): Likewise.
11025 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11026 (ic_invalidate_array_4-100.o): New rule.
11027 ($(T)libic_invalidate_array_4-100.a): Likewise.
11028 (ic_invalidate_array_4-200.o): Likewise.
11029 ($(T)libic_invalidate_array_4-200.a): Likewise.
11030 (ic_invalidate_array_4a.o): Likewise.
11031 ($(T)libic_invalidate_array_4a.a): Likewise.
11032 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11033 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11035 * config/sh/crt1.asm: Merged in profiling code.
11036 * config/sh/superh.h (STARTFILE_SPEC): Override.
11037 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11038 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11039 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11041 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11042 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11043 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11045 * sh.opt (mpretend-cmove): New option.
11046 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11047 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11048 (movsicc): Add TARGET_PRETEND_CMOVE code.
11050 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11052 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11053 s390_class_max_nregs): New function prototypes.
11054 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11055 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11056 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11057 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11059 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11061 * dwarf2out.c (add_location_or_const_value_attribute): Call
11062 tree_add_const_value_attribute if nothing else works.
11063 (reference_to_unused): New.
11064 (rtl_for_decl_init): Use reference_to_unused to decide whether
11065 to output an initializer.
11067 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11070 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11071 peephole removing spe frob_di_df_2.
11073 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11075 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11076 (subscript_dependence_tester_1): Declared.
11077 (print_dir_vectors, print_dist_vectors): New.
11078 (debug_data_dependence_relation): New.
11079 (dump_data_dependence_relation): Print more details.
11080 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11081 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11082 (save_dist_v, save_dir_v, add_outer_distances,
11083 build_classic_dist_vector_1): New.
11084 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11085 Don't test for lambda_vector_lexico_pos.
11086 (same_access_functions, add_multivariate_self_dist,
11087 add_other_self_distances, dir_from_dist): New.
11088 (build_classic_dir_vector): Replace implementation almost identical to
11089 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11091 (subscript_dependence_tester_1): New.
11092 (subscript_dependence_tester): Handle the lexicographically negative
11093 distance vectors by recomputing the dependence relation.
11094 (compute_affine_dependence): Remove parameter loop_nest_depth.
11095 (compute_self_dependence): Don't call compute_subscript_distance.
11096 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11097 Add a parameter for the loop_nest.
11098 (find_loop_nest_1, find_loop_nest): New.
11099 (compute_data_dependences_for_loop): Compute the loop nest, and give
11100 up if the nest is not well formed.
11101 * tree-data-ref.h (loop_p): New.
11102 (struct data_dependence_relation): Replace size_vect field with
11103 loop_nest, a vec of loops.
11104 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11105 (DDR_LOOP_NEST): New.
11106 (print_dir_vectors, print_dist_vectors,
11107 debug_data_dependence_relation): Declared.
11108 (index_in_loop_nest): New.
11109 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11110 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11113 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11115 * simplify-rtx.c (simplify_relational_operation): Call
11116 simplify_relational_operation_1 even if mode is VOIDmode.
11118 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11120 PR tree-optimization/26804
11121 * tree.h (DECL_CALL_CLOBBERED): New macro.
11122 (tree_decl_common): Add call_clobbered_flag.
11123 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11124 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11125 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11126 (mark_non_addressable): Ditto.
11127 * tree-ssa.c (verify_call_clobbered): New function.
11128 (verify_alias_info): Use it.
11129 * tree-pass.h (pass_reset_cc_flags): New prototype.
11130 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11131 (reset_cc_flags): New function.
11132 * passes.c (init_optimization_passes): Call reset_cc_flags after
11133 initializing referenced_vars.
11135 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11136 Roger Sayle <roger@eyesopen.com>
11138 PR middle-end/26717
11139 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11140 to 1.0 for non-real operands. Implement A / A optimization for
11143 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11145 * config/i386/i386.c (size_cost): Correct the comment for
11146 cost of storing fp registers.
11147 (i386_cost): Likewise.
11148 (i486_cost): Likewise.
11149 (pentium_cost): Likewise.
11150 (pentiumpro_cost): Likewise.
11151 (k6_cost): Likewise.
11152 (athlon_cost): Likewise.
11153 (k8_cost): Likewise.
11154 (pentium4_cost): Likewise.
11155 (nocona_cost): Likewise.
11156 (generic64_cost): Likewise.
11157 (generic32_cost): Likewise.
11159 2006-03-24 Denis Chertykov <denisc@overta.ru>
11161 * config/avr/avr-protos.h (extra_constraint): Delete.
11162 (extra_constraint_Q): New declaration.
11163 * config/avr/constraints.md: New file.
11164 * config/avr/avr.md: Include it.
11165 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11166 (TMP_REGNO, ZERO_REGNO): Likewise.
11167 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11168 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11169 (extra_constraint): Delete.
11170 (extra_constraint_Q): Test for memory constraint 'Q'.
11171 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11172 (REG_CLASS_FROM_LETTER): Delete.
11173 (CONST_OK_FOR_LETTER_P): Delete.
11174 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11175 (EXTRA_CONSTRAINT): Delete.
11176 (TMP_REGNO): Delete.
11177 (ZERO_REGNO): Delete.
11179 2006-03-24 Jeff Law <law@redhat.com>
11181 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11182 directly. Call mark_new_vars_to_rename slightly earlier.
11184 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11186 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11187 (is_cxx): Likewise.
11188 (gen_compile_unit_die): Use new language types for Objective-C and
11190 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11191 DW_LANG_C_plus_plus.
11194 * config/t-darwin (crt3.o): Work around bug 26840.
11195 * config/darwin-crt3.c: Rewrite.
11196 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11198 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11200 * doc/invoke.texi: Document -femit-class-debug-always
11201 * common.opt: Add -femit-class-debug-always.
11203 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11205 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11206 index and base register.
11207 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11208 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11209 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11210 REGNO_OK_FOR_INDEX_P.
11211 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11213 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11214 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11215 REG_OK_FOR_BASE_P): Definitions removed.
11217 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11219 PR middle-end/26611
11220 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11221 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11222 set yet or weren't marked as local yet.
11224 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11226 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11229 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11231 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11232 (rs6000_legitimate_small_data_p): Delete.
11233 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11234 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11235 and make static. Add forward declaration. Update uses.
11236 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11237 of offsettable_memref_p.
11238 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11239 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11241 2006-03-24 Jeff Law <law@redhat.com>
11243 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11244 around bug in immediate-use iterator.
11246 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11249 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11250 or __LITTLE_ENDIAN__.
11252 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11254 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11255 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11256 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11257 * config/sh/sh.opt (mdiv=): Amend description.
11258 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11259 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11260 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11261 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11262 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11263 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11264 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11265 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11266 TARGET_DIVIDE_CALL_FP.
11268 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11270 * haifa-sched.c (choose_ready): Fix type of the local variable.
11271 Move local variables. Add comment.
11272 (check_reg_live): Change signature. Make callable from debugger.
11273 * sched-int.h (check_reg_live): Update signature.
11274 * sched-ebb.c (check_reg_live): Update parameters.
11275 * sched-rgn.c (check_reg_live): Ditto.
11276 (region_head_or_leaf_p): Check pointer before dereferencing.
11277 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11278 before reload on optimization levels below 1.
11280 2006-03-23 Richard Henderson <rth@redhat.com>
11282 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11286 * config/alpha/predicates.md (local_symbolic_operand): Reject
11289 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11292 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11293 expressions which have overflowed constants.
11295 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11297 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11299 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11301 * cfgloopmanip.c (create_loop_notes): Removed.
11302 * final.c (final_scan_insn): Do not handle loop notes.
11303 * jump.c (squeeze_notes): Ditto.
11304 * cfglayout.c (skip_insns_after_block,
11305 duplicate_insn_chain): Ditto.
11306 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11308 * cfgloop.h (create_loop_notes): Declaration removed.
11310 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11312 * varasm.c (output_constant_pool): Restore fnname and fndecl
11314 (assemble_start_function): Adjust call accordingly.
11315 (assemble_end_function): Likewise.
11317 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11320 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11323 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11325 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11328 * system.h (ICE_EXIT_CODE): New macro.
11329 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11330 (diagnostic_action_after_output): Likewise.
11331 * gcc.c (fatal_ice): New function.
11332 (execute): Use it instead of fatal.
11333 (fancy_abort): Likewise.
11334 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11336 2006-03-22 Jeff Law <law@redhat.com>
11338 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11339 iv_analyze_result returning false.
11341 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11343 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11345 2006-03-22 Richard Henderson <rth@redhat.com>
11347 PR middle-end/26084
11348 * except.c (duplicate_eh_regions_0): New.
11349 (duplicate_eh_region_1): Duplicate the children of the node as
11350 well as the node itself. Link them up properly.
11351 (duplicate_eh_region_2): Merge into ...
11352 (duplicate_eh_regions): ... here. Take copy_region argument, and
11353 copy only a sub-tree if asked. Simplify copying and fixup.
11354 (eh_region_outer_p): New.
11355 * except.h (duplicate_eh_regions): Update decl.
11356 (eh_region_outer_p): Declare.
11357 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11358 (lower_omp_master): Likewise.
11359 (lower_omp_ordered): Likewise.
11360 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11361 (move_stmt_r): Use it to remap labels. Handle recursion vs
11362 remap_decls_p properly.
11363 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11364 (find_outermost_region_in_block): New.
11365 (new_label_mapper): New.
11366 (move_sese_region_to_fn): Copy eh information to the new function
11368 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11370 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11373 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11375 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11376 into shared libraries.
11378 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11380 * doc/md.texi: Refer to i386/constraints.md instead of
11381 i386/predicates.md.
11382 * config/i386/constraints.md: New file, extracted from...
11383 * config/i386/predicates.md: ...here.
11384 * config/i386/i386.md: Include constraints.md.
11386 2006-03-21 Jason Merrill <jason@redhat.com>
11388 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11390 PR middle-end/20297
11391 * expr.c (init_block_move_fn): Force default visibility.
11392 (init_block_clear_fn): Likewise.
11393 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11394 * targhooks.c (default_external_stack_protect_fail): Likewise.
11396 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11398 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11399 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11400 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11401 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11402 (loadgp): Use mips_current_loadgp_style.
11403 (loadgp_noshared): New pattern.
11404 (sibcall_internal): Use MIPS_CALL.
11405 (sibcall_value_internal): Likewise.
11406 (sibcall_value_multiple_internal): Likewise.
11407 (call_internal): Likewise.
11408 (call_value_internal): Likewise.
11409 (call_value_multiple_internal): Likewise.
11410 (call_split): Use MIPS_CALL and add an 'S' constraint.
11411 (call_value_split): Likewise.
11412 (call_value_multiple_split): Likewise.
11413 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11414 (-mshared): New option.
11415 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11416 (mips_current_loadgp_style): Declare.
11417 * config/mips/mips.c (mips_classify_symbol): Avoid using
11418 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11419 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11420 TARGET_ABSOLUTE_ABICALLS.
11421 (override_options): Adjust comments. Improve the warning that is
11422 issued when -mabicalls and -G are used together.
11423 (mips_file_start): Remove comment.
11424 (mips_current_loadgp_style): New function.
11425 (mips_gnu_local_gp): New variable.
11426 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11428 (mips_output_function_prologue): Use mips_current_laodgp_style.
11429 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11430 the cprestore instruction.
11431 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11432 live for TARGET_ABSOLUTE_ABICALLS.
11433 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11434 (ASM_SPEC): Pass down -mshared and -mno-shared.
11435 (MIPS_CALL): New macro.
11436 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11438 * doc/invoke.texi (-mabicalls): Update documentation.
11439 (-mshared): Document.
11441 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11443 * config/ia64/unwind-hpux.c: New file.
11444 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11446 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11449 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11451 2006-03-21 Jeff Law <law@redhat.com>
11453 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11454 type conversions of a VR_VARYING source to a wider type.
11456 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11458 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11459 tm_file on Solaris 10 and later.
11460 (sparc64-*-solaris2*): Likewise.
11461 (sparc-*-solaris2*): Likewise.
11462 * config/sol26.h: Rename to config/sol2-6.h.
11463 * config/sol2-10.h: New file.
11465 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11468 * tree-ssa-pre.c (create_component_ref_by_pieces):
11471 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11474 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11475 return it immediately.
11477 2006-03-21 Michael Matz <matz@suse.de>
11479 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11481 (remove_arc, add_arc): Update num_out_arcs member.
11482 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11484 (cache_presence): New function.
11485 (compare_states_for_equiv): New function.
11486 (state_is_differed): Don't take number of outargs, adjust callers.
11487 Use new invariant for speeding up.
11488 (init_equiv_class): Create initial classes based on sorted
11490 (partition_equiv_class): Don't track out_arcs_num.
11491 (evaluate_equiv_classes): Call cache_presence on all states and
11494 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11496 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11497 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11498 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11499 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11501 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11502 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11503 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11504 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11505 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11507 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11508 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11509 (REGNO_REG_CLASS): ARGP is in PREGS.
11510 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11512 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11513 to deal with those addresses.
11514 * addresses.h: New file.
11515 * caller-save.c: Include "addresses.h".
11516 (init_caller_save): Use new base_reg_class function.
11517 * rtl-factoring.c: Include "addresses.h".
11518 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11519 * recog.c: Include "addresses.h".
11520 (preprocess_constraints): Use new base_reg_class function.
11521 * regrename.c: Include "addresses.h".
11522 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11523 functions. Keep track of a new var INDEX_CODE to compute valid
11525 (replace_oldest_value_addr): Likewise.
11526 (replace_oldest_value_mem): Use base_reg_class.
11527 * reload.c: Include "addresses.h".
11528 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11529 (find_reloads): Use new base_reg_class function.
11530 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11531 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11532 all callers and prototype changed.
11533 * reload1.c: Include "addresses.h".
11534 (maybe_fix_stack_asms): Use base_reg_class.
11535 * regclass.c: Include "addresses.h".
11536 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11537 (init_reg_autoinc): Use new base_reg_class function.
11538 (record_reg_classes): Likewise.
11539 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11540 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11541 Use new args to compute necessary class.
11543 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11544 regrename.o, rtl-factoring.o): Update dependencies.
11545 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11546 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11547 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11548 REG_OK_FOR_INDEX_P): Delete documentation.
11550 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11552 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11553 from V7 to V9 for Solaris 7 and above.
11555 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11557 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11558 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11559 argument pointers may not alias any other storage.
11560 * common.opt: Define option -fargument-noalias-anything.
11561 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11562 alias semantics is specified by flag_argument_noalias > 2.
11564 2006-03-20 Jeff Law <law@redhat.com>
11566 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11567 (pass_phi_only_cprop): Declare.
11568 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11569 with phi_only_cprop
11570 * tree-ssa-dom.c (degenerate_phi_result): New function.
11571 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11572 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11573 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11574 (eliminate_degenerate_phis): Likewise.
11575 (pass_phi_only_cprop): New pass descriptor.
11576 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11577 support code. Callers updated.
11578 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11579 (store_copy_prop): Likewise.
11580 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11582 2006-03-20 Jason Merrill <jason@redhat.com>
11585 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11586 (push_visibility, pop_visibility): Likewise.
11587 * c-pragma.h: Declare them.
11589 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11591 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11593 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11594 parameter and use get_ebb_head_tail.
11595 (sh_md_init_global): Adjust uses of find_regmode_weight.
11597 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11599 * function.h (struct function) <x_tail_recursion_reentry>:
11600 Rename to x_stack_check_probe_note.
11601 (tail_recursion_reentry): Rename to stack_check_probe_note.
11602 * function.c: Replace tail_recursion_reentry with
11603 stack_check_probe_note everywhere.
11604 (expand_function_start): Only emit a note for
11605 stack_check_probe_note with -fstack-protect.
11606 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11608 * emit-rtl.c (remove_unnecessary_notes): Remove.
11609 (pass_remove_unnecessary_notes): Remove.
11610 * rtl.h (remove_unnecessary_notes): Remove prototype.
11611 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11612 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11613 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11615 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11618 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11619 (valid_in_set): Handle ARRAY_REF.
11620 Change "if min_variant or VH" to asserts.
11621 (create_component_ref_by_pieces): Handle ARRAY_REF.
11622 (create_expression_by_pieces): Likewise.
11623 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11625 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11627 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11628 is operand of switch, not str[0].
11630 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11632 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11633 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11635 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11637 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11638 end of insn_extra_address_constraint declaration.
11640 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11642 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11643 (no-sum-in-toc): Same.
11644 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11646 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11647 NO_FP_IN_TOC for -fPIC instead of mask.
11649 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11650 (BOOT_LDFLAGS): Delete.
11652 * config/rs6000/t-aix52: Same.
11654 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11655 (stmsi[345678]_power): New.
11657 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11659 * config/ia64/ia64.opt: Add empty line to end of file.
11661 2006-03-17 Richard Guenther <rguenther@suse.de>
11663 PR middle-end/26721
11664 * builtins.c (get_pointer_alignment): For component style references
11665 adjust alignment to the component type alignment. Make sure
11666 to adjust alignment for component access of constants.
11668 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11670 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11671 unconditional jump.
11673 2006-03-17 Paul Brook <paul@codesourcery.com>
11675 * doc/install.texi: Docuemnt --with-mode.
11676 * config.gcc: Add --with-mode for arm*-*-*.
11677 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11679 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11681 * sh.c (max_labelno_before_reorg): New variable.
11682 (sh_reorg): Initialize it.
11683 (find_barrier): Check max_labelno_before_reorg before using
11684 label_to_alignment. Take length of explicit alignment insns
11685 into account. When seeing a UNSPECV_CONST_END, return it.
11687 * sh.c (fixup_mova): Set mode of affected label to QImode.
11688 (untangle_mova): New function.
11689 (find_barrier): Use it. Check mode of label before decrementing
11691 (sh_reorg): Likewise.
11692 Set mode of all insns back to VOIDmode.
11694 * sh.c (MOVA_LABELREF): New macro.
11695 (mova_p, fixup_mova, sh_reorg): Use it.
11696 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11697 ADDR_DIFF_VEC matches mova.
11699 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11701 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11702 with ATTRIBUTE_UNUSED.
11704 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11706 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11707 pointer, instead of assuming it is possible to derive the
11708 correct args size from a call insn.
11710 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11712 * rtl.h (CONST_INT_P): Define.
11713 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11714 instead of GET_CODE(x) == CONST_INT.
11715 (vax_rtx_costs): Likewise.
11716 (vax_output_int_move): Likewise.
11717 (vax_output_int_add): Likewise.
11718 (legitimate_constant_address_p): Likewise.
11719 (index_term_p): Likewise.
11720 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11721 * config/vax/vax.md (and<mode>3): Likewise.
11722 (ashrsi3): Likewise.
11724 (movstricthi): Likewise.
11725 (movstrictqi): Likewise.
11726 (rotrsi3): Likewise.
11727 (five unnamed insns): Likewise.
11729 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11731 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11732 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11733 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11734 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11735 Pass to ASM_OUTPUT_DWARF_OFFSET.
11736 * dwarf2out.c (debug_frame_section): New.
11737 (output_call_frame_info): Use debug_frame_section. Pass it to
11738 dw2_asm_output_offset.
11739 (output_die): Pass appropriate section to dw2_asm_output_offset.
11740 (output_compilation_unit_header): Likewise.
11741 (output_pubnames): Likewise.
11742 (output_aranges): Likewise.
11743 (enum dw_val_class): Break dw_val_class_lbl_offset into
11744 dw_val_class_lineptr and dw_val_class_macptr.
11745 (add_AT_lbl_offset): Delete.
11746 (add_AT_lineptr): New.
11747 (add_AT_macptr): New.
11748 (AT_lbl): Expect a lineptr or macptr.
11749 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11750 (attr_checksum): Likewise.
11751 (same_dw_val_p): Likewise.
11752 (size_of_die): Likewise.
11753 (value_format): Likewise.
11754 (output_die): Likewise.
11755 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11757 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11758 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11759 * config/darwin-protos.h (darwin_file_start): New.
11760 (darwin_asm_output_dwarf_offset): New.
11761 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11762 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11764 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11765 if not EH section; simplify.
11766 (darwin_file_start): New.
11767 (darwin_asm_output_dwarf_offset): New.
11768 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11770 (DEBUG_INFO_SECTION): Likewise.
11771 (DEBUG_ABBREV_SECTION): Likewise.
11772 (DEBUG_ARANGES_SECTION): Likewise.
11773 (DEBUG_MACINFO_SECTION): Likewise.
11774 (DEBUG_LINE_SECTION): Likewise.
11775 (DEBUG_LOC_SECTION): Likewise.
11776 (DEBUG_PUBNAMES_SECTION): Likewise.
11777 (DEBUG_STR_SECTION): Likewise.
11778 (DEBUG_RANGES_SECTION): Likewise.
11779 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11780 (ASM_OUTPUT_DWARF_OFFSET): New.
11782 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11784 * config.gcc (tm_defines): Always add to previous value rather
11787 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11789 * config/mips/predicates.md (splittable_const_int_operand): New,
11790 split from move_operand.
11791 (splittable_symbolic_operand): New.
11792 (move_operand): Add commentary. Use splittable_const_int_operand.
11793 Inline mips_atomic_symbolic_constant_p.
11794 * config/mips/mips.md: Add combine splitters for handling moves
11795 of splittable_const_int_operands and splittable_symbolic_operands.
11796 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11797 (mips_split_symbol): Declare.
11798 (mips_move_integer): Declare.
11799 * config/mips/mips.c (mips_split_p): Make global.
11800 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11801 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11802 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11803 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11804 (mips_offset_within_object_p): Handle block symbols.
11805 (mips_atomic_symbolic_constant_p): Delete.
11806 (mips_cannot_force_const_mem): Return false for constants that
11807 mips_legitimize_move can handle.
11808 (mips_use_blocks_for_constant_p): New function.
11809 (mips_split_symbol): Make global.
11810 (mips_move_integer): Likewise. Add a temporary register argument.
11811 (mips_legitimize_const_move): Use splittable_const_int_operand and
11812 splittable_symbolic_operand.
11813 (mips_use_anchors_for_symbol_p): New function.
11814 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11815 (mips_split_p): Declare.
11817 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11819 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11820 (mips*-*-linux*): Likewise.
11822 2006-03-16 Roger Sayle <roger@eyesopen.com>
11823 Daniel Speyer <dspeyer@wam.umd.edu>
11825 PR middle-end/18259
11826 * tree-dump.c (dump_real): New function.
11827 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11828 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11829 (tree-dump.o): Add $(REAL_H) to the dependencies.
11831 2006-03-16 Roger Sayle <roger@eyesopen.com>
11833 PR middle-end/21781
11834 * real.c (real_from_string): If the mantissa is zero, don't bother
11835 parsing the exponent as the result should always be zero.
11837 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11839 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11841 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11843 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11844 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11845 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11846 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11847 ia64_sched_finish_global): New static functions to implement
11848 hooks from gcc_target.sched.
11849 (spec_check_no, max_uid, pending_data_specs): New static variables.
11850 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11851 ia64_spec_check_src_p): New static functions.
11852 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11853 (TARGET_SCHED_ADJUST_COST): Removed.
11854 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11855 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11856 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11857 TARGET_SCHED_GEN_CHECK,
11858 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11859 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11860 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11861 Fixed to handle speculation checks.
11862 (rtx_needs_barrier): Fixed to handle speculative loads and
11864 (ia64_variable_issue): Added code to count speculative loads and their
11866 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11868 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11870 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11872 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11873 (ia64_reorg): Reset stops_p to NULL after it is freed.
11874 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11875 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11876 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11878 (data_speculative, control_speculative, check_load): New attributes.
11879 (mov<mode>_advanced, mov<mode>_speculative,
11880 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11881 zero_extend<mode>di2_speculative,
11882 zero_extend<mode>di2_speculative_advanced): New patterns for
11883 data and control speculative loads.
11884 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11886 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11887 New pattern for data and control speculation checks.
11888 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11889 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11890 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11891 Auxiliary definitions for the patterns.
11892 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11893 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11895 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11897 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11898 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11899 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11900 New resource constraints.
11901 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11903 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11904 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11905 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11906 msched-in-control-spec, msched-ldc, msched-control-ldc,
11907 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11908 msched-prefer-non-control-spec-insns,
11909 msched-count-spec-in-critical-path): New flags to tune speculative
11911 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11912 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11913 msched-in-control-spec, msched-ldc, msched-control-ldc,
11914 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11915 msched-prefer-non-control-spec-insns,
11916 msched-count-spec-in-critical-path): Document new flags.
11918 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11920 * target.h (struct spec_info_def): New opaque declaration.
11921 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11922 speculate_insn, needs_block_p, gen_check,
11923 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11924 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11925 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11926 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11927 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11928 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11930 (TARGET_SCHED): Use new macros.
11931 * rtl.h (copy_DEPS_LIST_list): New prototype.
11932 * sched-int.h (struct sched_info): Change signature of new_ready field,
11933 adjust all initializations. New fields: add_remove_insn,
11934 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11935 region_head_or_leaf_p.
11936 (struct spec_info_def): New structure declaration.
11937 (spec_info_t): New typedef.
11938 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11939 recovery_block, orig_pat.
11940 (glat_start, glat_end): New variables declaraions.
11941 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11943 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11944 DETACH_LIFE_INFO, USE_GLAT.
11945 (enum SPEC_SCHED_FLAGS): New enumeration.
11946 (NOTE_NOTE_BB_P): New macro.
11947 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11948 attach_life_info, debug_spec_status, check_reg_live): New functions.
11949 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11950 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11952 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11953 * ddg.c (get_block_head_tail): Adjust all uses.
11954 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11955 (sms_sched_info): Initialize new fields.
11956 (contributes_to_priority): Removed.
11957 * haifa-sched.c (params.h): New include.
11958 (get_block_head_tail): Adjust all uses.
11959 (ISSUE_POINTS): New macro.
11960 (glat_start, glat_end): New global variables.
11961 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11962 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11963 old_last_basic_block, before_recovery, current_sched_info_var,
11964 rgn_n_insns, luid): New static variables.
11965 (insn_cost1): New function. Move logic from insn_cost to here.
11966 (find_insn_reg_weight1): New function. Move logic from
11967 find_insn_reg_weight to here.
11968 (reemit_notes, move_insn, max_issue): Change signature.
11969 (move_insn1): Removed.
11970 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11971 extend_bb): New static functions to support extension of scheduler's
11973 (generate_recovery_code, process_insn_depend_be_in_spec,
11974 begin_speculative_block, add_to_speculative_block,
11975 init_before_recovery, create_recovery_block, create_check_block_twin,
11976 fix_recovery_deps): New static functions to support
11977 generation of recovery code.
11978 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11979 restore_bb_notes, move_block_after_check, move_succs): New static
11980 functions to support ebb scheduling.
11981 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11982 functions to support handling of register live information.
11983 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11984 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11985 add_jump_dependencies): New static functions.
11986 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11987 consistancy checking.
11988 (debug_spec_status): New function to call from debugger.
11989 (priority): Added code to handle speculation checks.
11990 (rank_for_schedule): Added code to distinguish speculative instructions.
11991 (schedule_insn): Added code to handle speculation checks.
11992 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11993 Fixed to handle ebbs.
11994 (move_insn): Added code to handle ebb scheduling.
11995 (max_issue): Added code to use ISSUE_POINTS of instructions.
11996 (choose_ready): Added code to choose between speculative and
11997 non-speculative instructions.
11998 (schedule_block): Added code to handle ebb scheduling and scheduling of
11999 speculative instructions.
12000 (sched_init): Initialize new variables.
12001 (sched_finish): Free new variables. Print statistics.
12002 (try_ready): Added code to handle speculative instructions.
12003 * lists.c (copy_DEPS_LIST_list): New function.
12004 * sched-deps.c (extend_dependency_caches): New function. Move logic
12005 from create_dependency_caches to here.
12006 (get_dep_weak, ds_merge): Make global.
12007 * genattr.c (main): Code to output prototype for
12008 dfa_clear_single_insn_cache.
12009 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12010 (output_dfa_clean_insn_cache_func): Code to output
12011 dfa_clear_single_insn_cache function.
12012 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12014 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12016 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12017 New static variables.
12018 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12019 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12021 (ebb_sched_info): Initialize new fields.
12022 (get_block_head_tail): Adjust all uses.
12023 (compute_jump_reg_dependencies): Fixed to use glat_start.
12024 (schedule_ebb): Code to remove unreachable last block.
12025 (schedule_ebbs): Added code to update register live information.
12026 * sched-rgn.c (region_sched_info): Initialize new fields.
12027 (get_block_head_tail): Adjust all uses.
12028 (last_was_jump): Removed. Adjust users.
12029 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12030 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12031 Implement new hooks.
12032 (check_dead_notes1): New static function.
12033 (struct region): New fields: dont_calc_deps, has_real_ebb.
12034 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12035 (BB_TO_BLOCK): Fixed to handle EBBs.
12036 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12037 (ebb_head): New static variable.
12038 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12039 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12041 (compute_dom_prob_ps): New assertion.
12042 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12043 global_live_at_start.
12044 (init_ready_list): New assertions.
12045 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12046 (new_ready): Add support for BEGIN_CONTROL speculation.
12047 (schedule_insns): Fixed code that updates register live information
12049 (schedule_region): Fixed to handle EBBs.
12050 (init_regions): Use extend_regions and check_dead_notes1.
12051 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12052 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12053 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12054 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12055 TARGET_SCHED_GEN_CHECK,
12056 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12057 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12058 * doc/invoke.texi (max-sched-insn-conflict-delay,
12059 sched-spec-prob-cutoff): Document.
12061 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12063 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12064 inter_tick, queue_index.
12065 (struct sched_info): Change signature of init_ready_list field.
12066 Adjust all initializations.
12067 (RESOLVED_DEPS): New access macro.
12068 (ready_add): Remove prototype.
12069 (try_ready): Add prototype.
12070 * sched-rgn.c (init_ready_list): Use try_ready.
12071 (schedule_region): Initialize
12072 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12073 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12074 (init_ready_list): Use try_ready.
12075 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12076 * lists.c (remove_list_elem): Remove `static'.
12077 (remove_free_INSN_LIST_elem): New function.
12078 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12079 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12080 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12082 (readyp): New variable.
12083 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12084 change_queue_index, resolve_dep): New static functions.
12085 (try_ready): New function. Adjust callers in sched-rgn.c and
12086 sched-ebb.c to use it instead of ready_add.
12087 (clock_var): Move at the begining of file.
12088 (rank_for_schedule): Fix typo.
12089 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12090 (ready_lastpos): Enforce assertion.
12091 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12092 update all callers.
12093 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12094 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12095 (queue_to_ready): Use free_INSN_LIST_list.
12096 (early_queue_to_ready): Fix typo.
12097 (schedule_block): Init readyp. Move init_ready_list call after the
12098 initialization of clock_var. Fix error in rejecting insn by
12099 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12100 that previously corrected INSN_TICKs. Add code for handling
12102 (set_priorities): Fix typo.
12103 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12104 Clarify comment and code that keeps current_sched_info->next_tail
12107 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12109 * sched-rgn.c (extend_rgns): New static function.
12110 (find_rgns): Use it.
12111 (gather_region_statistics, print_region_statistics): New static
12113 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12114 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12117 Andrey Belevantsev <abel@ispras.ru>
12119 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12120 * lists.c (unused_deps_list): New variable.
12121 (free_list): Add assertions to verify the proper distinguishing
12122 between INSN_LISTs and DEPS_LISTs.
12123 (find_list_elem, remove_list_elem, remove_list_node): New static
12125 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12126 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12127 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12128 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12130 (free_INSN_LIST_node): Likewise.
12131 * modulo-sched.c (current_sched_info): Initialize flags field.
12132 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12133 * rtl.def (DEPS_LIST): Define.
12134 * rtl.h: Declare new functions from lists.c.
12135 * sched-deps.c (spec_dependency_cache): New static variable.
12136 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12137 (add_dependence): Change return type to void. Move the logic to ...
12138 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12139 (delete_all_dependences): Add comment about forward_dependency_cache.
12140 Handle spec_dependency_cache. Handle DEPS_LISTs.
12141 (fixup_sched_groups): Clarify the change of priority of output
12142 and anti dependencies.
12143 (sched_analyze_2): Adjust add_dependence calls to create data
12144 speculative dependence.
12145 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12146 Adjust all callers. Handle DEPS_LISTS.
12147 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12148 presence of speculation.
12149 (init_dependency_caches, free_dependency_caches):
12150 Handle spec_dependency_cache.
12151 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12152 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12153 New static functions.
12154 (add_or_update_back_dep, add_or_update_back_forw_dep,
12155 add_back_forw_dep, delete_back_forw_dep): New functions.
12156 * sched-int.h (ds_t, dw_t): New typedefs.
12157 (struct sched_info): Add new field flags.
12158 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12159 Prototype new sched-deps.c functions.
12160 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12161 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12162 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12163 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12164 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12165 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12167 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12169 * sched-rgn.c (current_sched_info): Initialize flags field.
12170 (schedule_insns): Initialize current_sched_info before the sched_init
12172 * sched-ebb.c (current_sched_info): Initialize flags field.
12173 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12174 Call add_or_update_back_dep instead of add_dependence.
12175 Create control speculative dependencies.
12176 (schedule_insns): Initialize current_sched_info before the sched_init
12179 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12181 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12183 (sh_fallback_frame_state): Likewise.
12185 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12187 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12188 Do switch on default_use_cxa_atexit.
12189 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12190 * config/darwin-crt3.o: New.
12191 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12192 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12193 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12195 * config/rs6000/t-darwin: Move crt2.o building to here.
12196 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12197 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12200 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12202 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12203 from '! xxx' to '!xxx' for coding-style conformance.
12204 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12205 (EXTRA_CONSTRAINT): Likewise.
12206 * config/vax/vax.md (four unnamed insns): Likewise.
12208 2006-03-15 Paul Brook <paul@codesourcery.com>
12210 * config/arm/arm.c (minipool_pad): New.
12211 (add_minipool_forward_ref): Include pool alignment padding in address
12213 (push_minipool_fix): Set minipool_pad.
12214 (minipool_pad): Ditto.
12216 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12218 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12219 instead of GET_CODE() == MEM and REG_P() instead of
12221 (print_operand_address): Likewise.
12222 (vax_address_cost): Likewise.
12223 (vax_rtx_costs): Likewise.
12224 (vax_notice_update_cc): Likewise.
12225 (vax_output_int_add): Likewise.
12226 (INDEX_REGISTER_P): Likewise.
12227 (BASE_REGISTER_P): Likewise.
12228 (nonindexed_address_p): Likewise.
12229 (vax_mode_dependent_address_p): Likewise.
12230 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12231 (PRINT_OPERAND): Likewise.
12232 * config/vax/vax.md (ashlsi3): Likewise.
12233 (ashlsi3): Likewise.
12234 (some more unnamed insns): Likewise.
12236 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12238 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12239 iterator-style macro.
12240 (mark_control_dependent_edges_necessary): Update the use of
12241 EXECUTE_IF_CONTROL_DEPENDENT.
12243 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12245 * config/sh/predicates.md (cache_address_operand): Special.
12246 (ua_address_operand): Likewise.
12248 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12250 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12252 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12254 2006-03-15 Andreas Schwab <schwab@suse.de>
12256 * gensupport.c (identify_predicable_attribute): Don't free p_false
12257 when it is still in use.
12259 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12261 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12262 the default setting here.
12264 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12266 * tree-pass.h (pass_cfg): Remove.
12267 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12268 * passes.c (pass_cfg): Don't run it.
12270 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12272 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12273 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12275 (stack_regs_mentioned): Update the uses of
12276 stack_regs_mentioned_data. Don't access the array beyond its
12278 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12279 Don't include gt-reg-stack.h.
12281 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12282 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12284 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12286 PR middle-end/26684
12287 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12290 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12292 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12294 2006-03-14 Richard Guenther <rguenther@suse.de>
12296 PR tree-optimization/26672
12297 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12300 2006-03-14 Richard Guenther <rguenther@suse.de>
12302 PR tree-optimization/26667
12303 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12304 node for the callees. Always allow inlining if it will shrink
12307 2006-03-14 Richard Guenther <rguenther@suse.de>
12309 PR middle-end/26659
12310 * builtins.c (get_pointer_alignment): Prefer alignment
12311 information from decls over that from types.
12313 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12316 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12318 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12320 * config/rs6000/rs6000.opt (mdlmzb): New option.
12321 (msched-prolog, msched-epilog): Use Var not Mask.
12322 * doc/invoke.texi (-mdlmzb): Document.
12323 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12325 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12326 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12328 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12330 PR rtl-optimization/25739
12331 * bt-load.c (augment_live_range): Free tos pointer.
12333 * gensupport.c (identify_predicable_attribute): Free
12335 * gcov.c (create_file_names): Free name pointer.
12337 2006-03-13 Roger Sayle <roger@eyesopen.com>
12339 PR middle-end/26557
12340 * stmt.c (emit_case_nodes): Handle the case where the index is a
12341 CONST_INT, where the comparison mode is specified by the index type.
12343 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12345 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12348 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12350 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12351 (*branch_fp_inverted): Likewise.
12353 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12355 PR middle-end/25989
12356 * omp-low.c (expand_omp_for_generic): Mark istart0
12357 and iend0 as addressable.
12359 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12361 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12363 2006-03-13 Jeff Law <law@redhat.com>
12365 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12366 virtual operands are interesting.
12367 (vrp_visit_stmt): Corresponding changes.
12369 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12371 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12373 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12374 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12375 * config/bfin/crti.S: Use it instead of __PIC__.
12376 * config/bfin/crtn.S: Likewise.
12378 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12379 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12381 Lose 'G' modifier for call operand.
12382 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12383 recognize 'G' modifier.
12385 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12387 PR middle-end/18859
12388 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12389 * stmt.c (expand_case): Likewise.
12391 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12393 PR rtl-optimization/26254
12394 * loop-invariant.c (seq_insns_valid_p): New function.
12395 (move_invariant_reg): Only emit new code if it is valid.
12397 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12399 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12401 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12402 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12403 (commit_one_edge_insertion): Do not look for loop notes.
12405 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12407 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12408 flag_test_coverage out of loop.
12410 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12412 * final.c (shorten_branches): Remove outdated comment, and turn
12413 the if branch that guards it to continue.
12415 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12417 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12418 * cfgloop.h (struct loop): Remove unused fields.
12420 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12422 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12423 (-dL, -fdump-rtl-loop2): Update the dump file names
12425 * doc/invoke.texi: Update dump file names.
12427 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12429 * predict.c (estimate_probability): Remove.
12430 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12431 * basic-block.h (estimate_probability): Remove prototype.
12432 * passes.c (finish_optimization_passes): Dump branch prediction or
12433 profiling heuristics to the .profile tree dump.
12434 (init_optimization_passes): Unqueue pass_branch_prob.
12436 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12438 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12440 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12441 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12443 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12445 * function.h (frame_offset_overflow): Declare.
12446 * function.c (frame_offset_overflow): New function.
12447 (assign_stack_local_1): Call it to detect that the offset overflows.
12448 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12450 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12452 * config/sh/sh.c: Include alloc-pool.h.
12453 (label_ref_list_pool): New alloc pool.
12454 (label_ref_list_t): New type for lists of labels.
12455 (struct pool_node): Make wend a label_ref_list_t.
12456 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12458 (dump_table): Likewise.
12459 (sh_reorg): Set up the alloc pool before using add_constant and
12460 dump_table, and destroy it when finishing.
12462 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12464 * config/mips/mips.c: Remove redundant comment.
12466 2006-03-10 Jason Merrill <jason@redhat.com>
12469 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12470 the target was declared 'register'.
12472 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12474 * genpreds.c (write_insn_constraint_len): Change definition of
12475 insn_constraint_len to return size_t to match the declaration.
12477 2006-03-10 DJ Delorie <dj@redhat.com>
12479 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12481 (m32c_expand_insv): Fix test for an AND mask.
12483 2006-03-10 Richard Guenther <rguenther@suse.de>
12485 PR middle-end/26565
12486 * builtins.c (get_pointer_alignment): Handle component
12487 references for field alignment.
12489 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12491 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12492 when building with libgloss.
12493 (sh*elf): Implement --without-fp option.
12494 (sh64-superh-linux*): Don't multilib.
12496 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12498 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12500 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12502 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12503 Set it when one of the replacement functions returned true.
12504 Return TODO_cleanup_cfg if cfgchanged is true.
12505 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12507 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12509 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12510 instead of gen_lowpart.
12512 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12514 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12516 (mips_output_order_conditional_branch): Declare.
12517 * config/mips/mips.h (MIPS_BRANCH): New macro.
12518 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12519 for the comparison. Use gen_condjump.
12520 (mips_output_conditional_branch): Rework interface to take the
12521 asm templates for a direct branch and the inverse of a direct branch.
12522 (mips_output_order_conditional_branch): New function.
12523 (mips_builtin_branch_and_move): New function.
12524 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12525 branch condition. Use gen_single_cc as the condition for
12526 __builtin_mips_upper_* or __builtin_mips_lower_*.
12527 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12528 Use VOIDmode for the branch condition.
12529 * config/mips/predicates.md (order_operator): New predicate.
12530 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12531 (branch_fp): Rename to...
12532 (*branch_fp): ...this. Remove mode from comparison operator.
12533 Use new mips_output_conditional_branch interface.
12534 (branch_fp_inverted): Rename to...
12535 (*branch_fp_inverted): ...this and update as for *branch_fp.
12536 (*branch_zero<mode>): Rename to...
12537 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12538 Use mips_output_order_conditional_branch. Only accept ordered
12540 (*branch_zero<mode>_inverted): Rename to...
12541 (*branch_order<mode>_inverted): ...this and update as for
12542 *branch_order<mode>.
12543 (*branch_equality<mode>): Accept zero as the second operand to
12544 the equality operator. Use the new mips_output_conditional_branch
12546 (*branch_equality<mode>_inverted): Likewise.
12547 (condjump): New expander.
12548 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12550 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12551 (bc1any2t, bc1any2f): Likewise.
12552 (single_cc): New expander.
12553 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12555 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12557 * doc/md.texi: Update documentation of MIPS constraints.
12558 * config/mips/constraints.md: New file.
12559 * config/mips/mips.md: Include it.
12560 * config/mips/mips.c (mips_char_to_class): Delete.
12561 (override_options): Don't initialize mips_char_to_class.
12562 * config/mips/mips.h (mips_char_to_class): Delete.
12563 (REG_CLASS_FROM_LETTER): Delete.
12564 (CONST_OK_FOR_LETTER_P): Delete.
12565 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12566 (EXTRA_CONSTRAINT_Y): Delete.
12567 (EXTRA_CONSTRAINT_STR): Delete.
12568 (CONSTRAINT_LEN): Delete.
12569 (EXTRA_MEMORY_CONSTRAINT): Delete.
12571 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12573 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12574 original fn's eh regions.
12576 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12578 * fold-const.c (build_range_check): Make sure to use a valid type to
12579 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12582 (range_predecessor): New static function.
12583 (range_successor): Likewise.
12584 (merge_ranges): Use them to compute predecessors and successors of
12587 2006-03-09 Roger Sayle <roger@eyesopen.com>
12589 PR middle-end/26561
12590 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12591 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12593 2006-03-08 DJ Delorie <dj@redhat.com>
12595 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12596 (addpsi3): Expand to include memory operands. Remove
12597 reload-specific splits.
12598 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12599 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12600 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12601 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12602 (shift1_qi, shift1_hi, insv): New.
12603 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12604 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12605 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12607 * config/m32c/m32c-protos.h: Update as needed.
12608 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12609 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12610 Fail for unrecognized R* constraints.
12611 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12612 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12613 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12615 (m32c_init_libfuncs): New.
12616 (m32c_legitimate_address_p): Add debug wrapper.
12617 (m32c_rtx_costs): New.
12618 (m32c_address_cost): New.
12619 (conversions): Add 'B' prefix.
12620 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12621 operands, or word regnames for QI operands. 'B' prints bit
12623 (m32c_expand_setmemhi): New.
12624 (m32c_expand_movmemhi): New.
12625 (m32c_expand_movstr): New.
12626 (m32c_expand_cmpstr): New.
12627 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12628 (m32c_expand_neg_mulpsi3): Handle non-ints.
12629 (m32c_cmp_flg_0): New.
12630 (m32c_expand_movcc): New.
12631 (m32c_expand_insv): New.
12632 (m32c_scc_pattern): New.
12633 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12634 a0/a1 out of SIregs.
12635 (STORE_FLAG_VALUE): New.
12636 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12639 * config/m32c/mov.md: Make constraints more liberal.
12640 (zero_extendqihi2): Optimize r0/r1 case.
12641 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12642 * config/m32c/predicates.md (m32c_any_operand): New.
12643 (m32c_nonimmediate_operand): New.
12644 (m32c_hl_operand): New.
12645 (m32c_r3_operand): New.
12648 (memsym_operand): New.
12649 (memimmed_operand): New.
12650 (a_qi_operand): New.
12651 (m32c_eqne_operator): New.
12652 (m32c_1bit8_operand): New.
12653 (m32c_1bit16_operand): New.
12654 (m32c_1mask8_operand): New.
12655 (m32c_1mask16_operand): New.
12656 * config/m32c/blkmov.md: New file.
12657 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12659 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12661 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12662 unsigned to fix signed/unsigned comparison issue in
12663 DWARF2_FRAME_REG_OUT.
12664 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12665 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12667 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12668 of ptr into the ENABLE_CHECKING section.
12670 2006-03-08 Jeff Law <law@redhat.com>
12672 * tree-vrp.c (infer_value_range): Only count pointer uses
12673 and dereferences if -fdelete-null-pointer-checks is enabled.
12675 * tree-vrp.c (find_assert_locations): Infer value ranges for
12676 single use pointers, but do not create ASSERT_EXPRs for them.
12677 When a non-null range is inferred for a pointer, backwards
12678 propagate that range to other equivalent pointers through the
12681 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12684 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12685 language hook targets.
12686 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12687 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12688 if language hook targets were missing.
12690 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12692 * tree-ssa-opfinalize.h: Removed.
12693 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12695 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12696 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12697 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12698 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12699 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12700 finalize_ssa_v_must_def_ops): New.
12702 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12704 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12705 block as parameter.
12707 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12709 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12711 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12712 addresses with offsets; reorganize.
12714 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12715 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12716 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12718 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12721 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12723 2006-03-08 Ben Elliston <bje@au.ibm.com>
12725 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12727 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12730 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12733 2006-03-07 Richard Guenther <rguenther@suse.de>
12735 PR tree-optimization/26587
12736 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12738 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12740 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12742 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12744 * hooks.c (hook_bool_mode_rtx_true): New function.
12745 * hooks.h (hook_bool_mode_rtx_true): Declare.
12746 * toplev.c (compile_file): Call output_shared_constant_pool.
12747 * varasm.c (shared_constant_pool): New variable.
12748 (assemble_start_function, assemble_end_function): Remove arguments
12749 from call to output_constant_pool.
12750 (create_constant_pool): New function, split out from...
12751 (init_varasm_status): ...here.
12752 (force_const_mem): Choose between the shared and per-function constant
12753 pools. Set current_function_uses_const_pool when reusing old entries
12754 as well as when creating new ones.
12755 (mark_constant): Ignore data argument.
12756 (mark_constants): Remove pool argument.
12757 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12758 to decide whether the function uses a constant pool.
12759 (output_constant_pool_contents): New function, split out from...
12760 (output_constant_pool): ...here.
12761 (output_shared_constant_pool): New function.
12762 (init_varasm_once): Initialize shared_constant_pool.
12763 * output.h (output_constant_pool): Delete.
12764 (output_shared_constant_pool): Declare.
12765 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12766 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12768 2006-03-06 Nick Clifton <nickc@redhat.com>
12770 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12771 flag_strength_reduce.
12773 2006-03-06 Ben Elliston <bje@au.ibm.com>
12775 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12776 x86_64-*-linux* configurations.
12778 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12779 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12781 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12783 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12785 * basic-block.h: Remove the extern for
12786 rediscover_loops_after_threading.
12788 * cfgloop.c (cancel_loop): Make it static.
12789 * cfgloop.h: Remove the prototype for cancel_loop.
12791 * flow.c (recompute_reg_usage): Make it static.
12792 * rtl.h: Remove the prototype for recompute_reg_usage.
12794 * function.c (use_return_register): Make it static.
12795 * function.h: Remove the prototype.
12797 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12799 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12801 * recog.h: Remove the prototype for
12802 validate_change_maybe_volatile.
12804 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12806 * rtlanal.c (replace_reg): Remove.
12807 * rtl.h: Remove the prototype for replace_reg.
12809 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12811 * regclass.c (reg_scan_update): Remove.
12812 (reg_scan_mark_refs): Remove the last argument.
12813 * rtl.h: Remove the prototype for reg_scan_update.
12815 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12817 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12818 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12819 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12820 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12821 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12822 loop-invariant.c, omp-low.c, opts.c, passes.c,
12823 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12824 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12825 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12826 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12827 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12828 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12832 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12833 * dwarf2out.h: Remove the prototype for
12834 dwarf2out_add_library_unit_info.
12836 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12838 * tree.c (add_var_to_bind_expr): Remove.
12839 * tree.h: Remove the prototype for add_var_to_bind_expr.
12841 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12843 * regclass.c (n_non_fixed_regs): Remove.
12844 (init_reg_sets_1, globalize_reg): Remove all uses of
12846 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12848 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12850 * rtlanal.c (insns_safe_to_move_p): Remove.
12851 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12853 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12855 * expmed.c (expand_mult_add): Remove.
12856 * expr.h: Remove the prototype for expand_mult_add.
12858 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12860 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12861 and REG_SAVED_VAL_EXP constants.
12862 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12863 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12864 Handle regs stored by value.
12865 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12866 (execute_cfa_program): Handle DW_CFA_val_offset,
12867 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12868 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12869 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12870 (uw_install_context_1): Handle target regs stored by value.
12872 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12874 * tree-sra.c (tree_sra): Return todoflags;
12875 (generate_one_element): Set TODO_update_smt_usage if needed.
12876 (pass_sra): Remove TODO_update_smt_usage.
12877 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12879 (tree_ssa_forward_propagate_single_use_vars): Return
12880 TODO_update_smt_usage if we need to update SMT usage.
12881 (pass_forwprop): Remove TODO_update_smt_usage.
12883 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12885 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12886 (correct_use_link): Remove reference to get_stmt_operands.
12887 (update_stmt_operands): Likewise.
12888 (get_modify_expr_operands): New function factored out of
12889 parse_ssa_operands and get_expr_operands.
12890 Try to create V_MUST_DEFs for LHS by default.
12891 (get_expr_operands) <case MODIFY_EXPR>: Call
12892 get_modify_expr_operands.
12893 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12894 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12895 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12896 get_modify_expr_operands.
12898 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12900 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12901 * tree-flow.h: Remove the prototype for
12902 referenced_var_lookup_if_exists.
12904 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12906 PR rtl-optimization/26345
12908 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12910 2006-03-03 Roger Sayle <roger@eyesopen.com>
12912 PR tree-optimization/26524
12913 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12914 fold_convert to create a constant of the appropriate type.
12916 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12918 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12919 SYMBOL_REF_IN_BLOCK_P.
12920 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12921 of SYMBOL_FLAG_IN_BLOCK.
12922 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12923 instead of SYMBOL_REF_IN_BLOCK_P.
12924 * explow.c (use_anchored_address): Likewise.
12925 * rtl.c (rtx_size): Likewise.
12926 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12927 instead of SYMBOL_FLAG_IN_BLOCK.
12928 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12929 SYMBOL_REF_IN_BLOCK_P.
12930 (assemble_variable): Likewise.
12931 (output_constant_def_contents): Likewise.
12932 (output_constant_pool): Likewise.
12933 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12934 instead of SYMBOL_FLAG_IN_BLOCK.
12935 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12936 SYMBOL_REF_IN_BLOCK_P.
12937 (SYMBOL_REF_BLOCK): Likewise.
12938 (SYMBOL_REF_OFFSET): Likewise.
12939 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12940 SYMBOL_REF_IN_BLOCK_P.
12941 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12942 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12943 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12944 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12946 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12948 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12950 2006-03-02 Roger Sayle <roger@eyesopen.com>
12952 * simplify-rtx.c (simplify_unary_operation): When simplifying
12953 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12954 that we perform the right shift in the appropriate mode, and
12955 then extend or truncate the result to requested mode.
12957 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12959 * gengtype.c (main): Handle double_int type.
12960 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12961 * double-int.c: New file.
12962 * double-int.h: New file.
12963 * system.h: Include doubleint.h.
12964 * Makefile.in (SYSTEM_H): Include double-int.h.
12965 (double-int.o): Add.
12967 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12970 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12973 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12975 * tree-vrp.c (remove_range_assertions): Do not update statements
12978 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12980 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12982 * gcse.c (rest_of_handle_gcse): Ditto.
12983 * except.c (gate_handle_eh): Ditto.
12984 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12985 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12987 2006-03-02 Eric Christopher <echristo@apple.com>
12989 * config/i386/i386.c (machopic_output_stub): Add indirection to
12992 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12996 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12998 Sun Niagara specific optimizations.
12999 * config.gcc: Recognize niagara as target.
13000 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13001 (TARGET_CPU_niagara): Define.
13002 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13003 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13004 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13005 (ASM_CPU_SPEC): Likewise.
13006 (PROCESSOR_NIAGARA): New enum entry.
13007 (REGISTER_MOVE_COST): Handle Niagara.
13008 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13009 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13010 (sparc_override_options): Recognize "niagara", set appropriate
13011 default MASK_* values for it, and align functions to 32-bytes
13012 by default just like ULTRASPARC/ULTRASPARC3.
13013 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13014 (sparc64_initialize_trampoline): Likewise.
13015 (sparc_use_sched_lookahead): Use zero for niagara.
13016 (sparc_issue_rate): Use one for niagara.
13017 * config/sparc/niagara.md: New file.
13018 * config/sparc/sparc.md: Include it.
13019 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13020 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13021 when default cpu is niagara.
13022 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13023 (ASM_CPU_SPEC): Likewise.
13024 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13025 when default cpu is niagara.
13026 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13027 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13028 just like v9/ultrasparc/ultrasparc3.
13029 * doc/invoke.texi: Add documentation for "niagara" and improve
13030 existing documentation for ultrasparc variants.
13032 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13034 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13036 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13038 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13039 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13040 and say that only one is needed.
13041 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13042 * target.h (have_switchable_bss_sections): New hook.
13043 * explow.c (use_anchored_address): Check that the symbol is in a block.
13044 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13045 (bss_noswitch_section): New variables.
13046 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13047 (get_noswitch_section): New function.
13048 (get_block_for_section): Allow SECT to be null.
13049 (unlikely_text_section_p): Use SECTION_STYLE.
13050 (bss_initializer_p): New function.
13051 (get_variable_section): Move earlier in file. Take a new argument,
13052 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13053 Return one of the new *_sections in such cases.
13054 (get_block_for_decl): New function, extracting some logic from
13055 use_blocks_for_decl_p.
13056 (change_symbol_section): Remove in favor of...
13057 (change_symbol_block): ...this new function.
13058 (use_blocks_for_decl_p): Remove checks now performed by
13059 get_block_for_decl.
13060 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13061 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13062 (emit_local, emit_bss, emit_common): ...these new functions.
13063 Return true if the alignment was honored.
13064 (emit_tls_common): New function.
13065 (asm_emit_uninitialised): Delete.
13066 (assemble_variable_noswitch): New function, split out from...
13067 (assemble_variable): ...here. Don't make decisions about common
13068 variables here. Globalize all public decls that go into non-common
13069 sections. Check whether SYMBOL_REF_BLOCK is null.
13070 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13071 (output_constant_pool): Likewise.
13072 (init_varasm_once): Initialize the new section variables.
13073 (have_global_bss_p): New function.
13074 (categorize_decl_for_section): Use bss_initializer_p.
13075 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13076 (place_block_symbol): Assert that the symbol must be in a block.
13077 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13078 (TARGET_INITIALIZER): Include it.
13079 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13080 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13081 (SECTION_MACH_DEP): Bump by two.
13082 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13083 (unnamed_section): Mention SECTION_UNNAMED in comment.
13084 (named_section): Likewise SECTION_NAMED.
13085 (noswitch_section_callback): New type.
13086 (noswitch_section): New structure.
13087 (section): Add a noswitch_section alternative.
13088 (SECTION_STYLE): New macro.
13089 (tls_comm_section, comm_section, lcomm_section): Declare.
13090 (bss_noswitch_section, have_global_bss_p): Declare.
13091 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13092 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13094 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13095 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13098 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13100 * tree-vrp.c (execute_vrp): Return value.
13101 * regrename.c (rest_of_handle_regrename): Ditto.
13102 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13103 * tree-complex.c (tree_lower_complex): Ditto.
13104 (tree_lower_complex_O0): Ditto.
13105 * tracer.c (rest_of_handle_tracer): Ditto.
13106 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13107 * postreload.c (rest_of_handle_postreload): Ditto.
13108 * tree-tailcall.c (execute_tail_recursion): Ditto.
13109 (execute_tail_calls): Ditto.
13110 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13111 * tree.h (init_function_for_compilation): Ditto.
13112 * ipa-cp.c (ipcp_driver): Ditto.
13113 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13114 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13115 * final.c (compute_alignments): Ditto.
13116 (rest_of_handle_final): Ditto.
13117 (rest_of_handle_shorten_branches): Ditto.
13118 (rest_of_clean_state): Ditto.
13119 * omp-low.c (execute_expand_omp): Ditto.
13120 (execute_lower_omp): Ditto.
13121 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13122 * ipa-reference.c (static_execute): Ditto.
13123 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13124 * reorg.c (rest_of_handle_delay_slots): Ditto.
13125 (rest_of_handle_machine_reorg): Ditto.
13126 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13127 * flow.c (recompute_reg_usage): Ditto.
13128 (rest_of_handle_remove_death_notes): Ditto.
13129 (rest_of_handle_life): Ditto.
13130 (rest_of_handle_flow2): Ditto.
13131 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13132 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13133 (do_ssa_store_ccp): Ditto.
13134 (execute_fold_all_builtins): Ditto.
13135 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13136 * modulo-sched.c (rest_of_handle_sms): Ditto.
13137 * ipa-pure-const.c (static_execute): Ditto.
13138 * cse.c (rest_of_handle_cse): Ditto.
13139 (rest_of_handle_cse2): Ditto.
13140 * web.c (rest_of_handle_web): Ditto.
13141 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13142 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13143 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13144 * tree-nrv.c (tree_nrv): Ditto.
13145 (execute_return_slot_opt): Ditto.
13146 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13147 (create_structure_vars): Ditto.
13148 * loop-init.c (rtl_loop_init): Ditto.
13149 (rtl_loop_done): Ditto.
13150 (rtl_move_loop_invariants): Ditto.
13151 (rtl_unswitch): Ditto.
13152 (rtl_unroll_and_peel_loops): Ditto.
13153 (rtl_doloop): Ditto.
13154 * gimple-low.c (lower_function_body): Ditto.
13155 (mark_used_blocks): Ditto.
13156 * tree-ssa-sink.c (execute_sink_code): Ditto.
13157 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13158 (cgraph_early_inlining): Ditto.
13159 * global.c (rest_of_handle_global_alloc): Ditto.
13160 * jump.c (cleanup_barriers): Ditto.
13161 (purge_line_number_notes): Ditto.
13162 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13163 (rest_of_handle_if_after_reload): Ditto.
13164 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13165 (tree_ssa_loop_im): Ditto.
13166 (tree_ssa_loop_unswitch): Ditto.
13167 (tree_vectorize): Ditto.
13168 (tree_linear_transform): Ditto.
13169 (tree_ssa_loop_ivcanon): Ditto.
13170 (tree_ssa_empty_loop): Ditto.
13171 (tree_ssa_loop_bounds): Ditto.
13172 (tree_complete_unroll): Ditto.
13173 (tree_ssa_loop_prefetch): Ditto.
13174 (tree_ssa_loop_ivopts): Ditto.
13175 (tree_ssa_loop_done): Ditto.
13176 * predict.c (tree_estimate_probability): Ditto.
13177 * recog.c (split_all_insns_noflow): Ditto.
13178 (rest_of_handle_peephole2): Ditto.
13179 (rest_of_handle_split_all_insns): Ditto.
13180 * tree-eh.c (lower_eh_constructs): Ditto.
13181 * regmove.c (rest_of_handle_regmove): Ditto.
13182 (rest_of_handle_stack_adjustments): Ditto.
13183 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13184 * function.c (instantiate_virtual_regs): Ditto.
13185 (init_function_for_compilation): Ditto.
13186 (rest_of_handle_check_leaf_regs): Ditto.
13187 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13188 (rest_of_handle_gcse): Ditto.
13189 * ipa-type-escape.c (type_escape_execute): Ditto.
13190 * alias.c (rest_of_handle_cfg): Ditto.
13191 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13192 * profile.c (rest_of_handle_branch_prob): Ditto.
13193 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13194 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13195 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13196 * tree-dfa.c (find_referenced_vars): Ditto.
13197 * except.c (set_nothrow_function_flags): Ditto.
13198 (convert_to_eh_region_ranges): Ditto.
13199 (rest_of_handle_eh): Ditto.
13200 * emit-rtl.c (unshare_all_rtl): Ditto.
13201 (remove_unnecessary_notes): Ditto.
13202 * except.h (set_nothrow_function_flags): Ditto.
13203 (convert_to_eh_region_ranges): Ditto.
13204 * cfgexpand.c (tree_expand_cfg): Ditto.
13205 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13206 * tree-ssa-pre.c (do_pre): Ditto.
13207 (execute_fre): Ditto.
13208 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13209 (rest_of_handle_jump2): Ditto.
13210 * tree-sra.c (tree_sra): Ditto.
13211 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13212 (execute_mudflap_function_decls): Ditto.
13213 * tree-ssa-copy.c (do_copy_prop): Ditto.
13214 (do_store_copy_prop): Ditto.
13215 * ipa-prop.h (ipcp_driver): Ditto.
13216 * cfglayout.c (insn_locators_initialize): Ditto.
13217 * tree-ssa-forwprop.c
13218 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13219 * cfglayout.h (insn_locators_initialize): Ditto.
13220 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13221 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13222 (execute_late_warn_uninitialized): Ditto.
13223 * rtl.h (cleanup_barriers): Ditto.
13224 (split_all_insns_noflow): Ditto.
13225 (purge_line_number_notes): Ditto.
13226 (unshare_all_rtl): Ditto.
13227 (remove_unnecessary_notes): Ditto.
13228 (recompute_reg_usage): Ditto.
13229 (variable_tracking_main): Ditto.
13230 * integrate.c (emit_initial_value_sets): Ditto.
13231 * integrate.h (emit_initial_value_sets): Ditto.
13232 * tree-optimize.c (execute_free_datastructures): Ditto
13233 (execute_free_cfg_annotations): Ditto.
13234 (execute_fixup_cfg): Ditto.
13235 (execute_cleanup_cfg_pre_ipa): Ditto.
13236 (execute_cleanup_cfg_post_optimizing): Ditto.
13237 (execute_init_datastructures): Ditto.
13238 * tree-object-size.c (compute_object_sizes): Ditto.
13239 * combine.c (rest_of_handle_combine): Ditto.
13240 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13241 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13242 (rest_of_handle_reorder_blocks): Ditto.
13243 (rest_of_handle_partition_blocks): Ditto.
13244 * var-tracking.c (variable_tracking_main): Ditto.
13245 * tree-profile.c (tree_profiling): Ditto.
13246 * tree-vect-generic.c (expand_vector_operations): Ditto.
13247 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13248 * sched-rgn.c (rest_of_handle_sched): Ditto.
13249 (rest_of_handle_sched2): Ditto.
13250 * basic-block.h (free_bb_insn): Ditto.
13251 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13252 * tree-cfg.c (execute_build_cfg): Ditto.
13253 (remove_useless_stmts): Ditto.
13254 (split_critical_edges): Ditto.
13255 (execute_warn_function_return): Ditto.
13256 (execute_warn_function_noreturn): Ditto.
13257 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13258 * cfgrtl.c (free_bb_for_insn): Ditto.
13259 * passes.c (execute_one_pass): Run additional
13260 todos returned by execute function.
13261 * tree-pass.h (struct tree_opt_pass): Make execute
13264 2006-03-02 Richard Guenther <rguenther@suse.de>
13266 * tree-ssa-alias.c (find_used_portions): Consider taking
13267 the address as making the variable not write-only.
13269 2006-03-02 Nick Clifton <nickc@redhat.com>
13271 * config.gcc (default_use_cxa_atexit): Extend the description of
13272 this configure variable. Set its default value to "yes" for
13273 Linux, NetBSD and ELF targets on the assumption that they will
13274 use C libraries with the __cxa_atexit function.
13276 2006-03-02 Ben Elliston <bje@au.ibm.com>
13278 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13279 parameter as unused to suppress a build warning.
13281 2006-03-02 Ben Elliston <bje@au.ibm.com>
13283 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13286 2006-03-01 Roger Sayle <roger@eyesopen.com>
13289 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13290 declared name, the weak reference name, and the typeof name.
13291 (__gthrw): Avoid expanding the declared name suffix.
13292 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13294 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13296 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13298 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13299 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13300 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13301 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13302 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13303 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13304 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13305 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13306 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13307 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13308 (DW_END_default, DW_END_big, DW_END_little): New.
13309 (DW_END_lo_user, DW_END_hi_user): Define.
13310 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13311 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13312 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13315 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13317 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13319 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13321 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13323 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13325 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13326 to 'symbol_mem_tag'.
13328 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13331 2006-03-01 Roger Sayle <roger@eyesopen.com>
13333 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13335 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13338 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13339 MACHO_DYNAMIC_NO_PIC_P.
13340 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13342 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13345 * config/darwin-protos.h (darwin_asm_output_anchor):
13347 * config/darwin-sections.def (cstring_section):
13348 Add SECTION_MERGE to the flags.
13349 (literal4_section): Likewise.
13350 (literal8_section): Likewise.
13351 (objc_selector_refs_section): Likewise.
13352 (objc_cls_refs_section): Likewise.
13353 * config/darwin.c (darwin_asm_output_anchor): New
13355 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13357 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13359 Fix PR tree-optimization/26443
13360 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13361 to todo and PROP_tmt_usage to properties_destroyed.
13362 * tree-ssa-ccp.c (pass_ccp): Ditto.
13363 (pass_store_ccp): Ditto.
13364 * tree-ssa-dom.c (pass_dominator): Ditto.
13366 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13368 * tree-ssa-operands.c: Cleanup whitespace.
13369 (get_asm_expr_operands): Move before first invocation.
13370 (get_indirect_ref_operands): Likewise.
13371 (get_tmr_operands): Likewise.
13372 (get_call_expr_operands): Likewise.
13373 (append_def): Likewise.
13374 (append_use): Likewise.
13375 (append_v_may_def): Likewise.
13376 (append_v_must_def): Likewise.
13377 (add_call_clobber_ops): Likewise.
13378 (add_call_read_ops): Likewise.
13379 (add_stmt_operand): Likewise.
13380 (add_virtual_operand): Likewise.
13381 (build_ssa_operands): Likewise.
13383 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13385 PR middle-end/26022
13387 PR middle-end/24437
13388 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13389 with a call expr to ...
13390 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13392 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13394 * tree-vrp.c (extract_range_from_assert): Remove special
13395 handling for types with super-types.
13397 2006-03-01 Ben Elliston <bje@au.ibm.com>
13399 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13400 and powerpc64-*-linux* configurations.
13401 * config/t-dfprules: New file.
13403 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13404 Compile dfp-bit.c from the source directory using -DWIDTH and
13405 $DFP_CFLAGS to control the compilation of that file, rather than
13406 generating width-specific versions in the build directory.
13407 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13408 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13410 2006-02-28 Zack Weinberg <zackw@panix.com>
13412 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13415 2006-02-28 Eric Christopher <echristo@apple.com>
13417 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13418 Set up IN_LIBGCC definition of TARGET_64BIT.
13419 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13421 2006-02-28 Roger Sayle <roger@eyesopen.com>
13423 PR middle-end/14752
13424 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13425 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13426 cases via the construction of "expr != 0".
13428 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13430 * alias.c (alias_invariant, alias_invariant_size): Remove.
13431 (record_base_value): Remove.
13432 (memrefs_conflict_p): Don't look at alias_invariant.
13433 (end_alias_analysis): Don't free it.
13434 * alias.h (record_base_value): Remove prototype.
13436 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13437 Adam Nemet <anemet@caviumnetworks.com>
13439 * rtl.h (truncated_to_mode): Declare it.
13440 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13441 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13442 (RTL_HOOKS_INITIALIZER): Include it.
13443 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13444 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13445 reg_truncated_to_mode.
13446 * rtlanal.c (truncated_to_mode): Define it.
13447 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13449 2006-02-28 Jeff Law <law@redhat.com>
13451 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13452 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13453 the range allowed by TYPE_PRECISION.
13455 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13457 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13459 PR tree-optimization/26419
13460 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13463 2006-02-27 Zack Weinberg <zackw@panix.com>
13465 * doc/md.texi: Fix typo in previous change.
13467 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13471 2006-02-27 Zack Weinberg <zackw@panix.com>
13473 * rtl.def (define_constraint, define_register_constraint)
13474 (define_memory_constraint, define_address_constraint): New MD forms.
13475 * gensupport.c (process_rtx): Put define_constraint etc on the
13477 * genpreds.c (process_define_predicate): Adjust comment. Validate
13478 the name, and call validate_exp to validate the expression.
13479 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13480 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13481 all callers changed.
13482 (validate_exp, needs_variable, struct constraint_data)
13483 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13484 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13485 (const_dbl_constraints, constraint_max_namelen)
13486 (have_register_constraints, have_memory_constraints)
13487 (have_address_constraints, have_address_constraints)
13488 (have_extra_constraints, have_const_int_constraints)
13489 (have_const_dbl_constraints, mangle, add_constraint)
13490 (process_define_constraint, process_define_register_constraint)
13491 (write_enum_constraint_num, write_lookup_constraint)
13492 (write_insn_constraint_len, write_regclass_for_constraint)
13493 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13494 (write_insn_extra_memory_constraint)
13495 (write_insn_extra_address_constraint)
13496 (write_satisfies_constraint_fns): New.
13497 (write_tm_preds_h): If we have new-style constraint definitions,
13498 prototype the functions generated from them, and define the
13499 old constraint interface (still used by generic code) in terms of
13501 (write_insn_preds_c): If we have new-style constraint definitions,
13502 generate all relevant functions from those definitions.
13503 (main): Handle define_constraint etc.
13504 * genoutput.c (struct constraint_data, indep_constraints)
13505 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13506 (mdep_constraint_len): New data structures and functions, defined
13507 #ifdef USE_MD_CONSTRAINTS.
13508 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13509 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13510 use new logic to validate operand constraints against constraint
13512 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13514 * defaults.h: If none of the old-style constraint macros are
13515 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13516 old-style macros; and poison REG_CLASS_FROM_LETTER,
13517 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13519 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13520 * doc/md.texi: Document new constraint-definition mechanism and the
13521 C interface it provides. Remove references to old mechanism
13522 elsewhere in the document.
13523 (Machine Constraints): Use pathnames relative to gcc directory,
13524 i.e. config/ARCH/FILE. Change i386 section to refer to
13525 config/i386/predicates.md; update that section to match docstrings.
13526 * doc/tm.texi: Move all documentation of the old constraint-
13527 definition macros to their own section, clearly mark as obsolete.
13529 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13530 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13532 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13533 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13534 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13535 constraint strings.
13536 (splits and peepholes): Use satisfies_constraint_*.
13537 * config/i386/i386.c (memory_address_length)
13538 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13540 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13542 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13543 scalar operation to be put back into the loop.
13545 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13548 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13549 (extract_cie_info): Handle S flag in augmentation string.
13550 (execute_cfa_program): If context->signal_frame, execute also
13551 fs->pc == context->ra instructions.
13552 (uw_frame_state_for): If context->signal_frame, don't subtract one
13553 from context->ra to find FDE.
13554 (uw_update_context_1): Set context->signal_frame to
13556 (_Unwind_GetIPInfo): New function.
13557 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13558 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13560 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13561 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13562 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13563 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13564 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13565 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13566 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13567 x86_64_fallback_frame_state): Set fs->signal_frame.
13568 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13569 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13570 (frob_update_context): Likewise. Workaround missing S flag in
13571 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13572 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13573 Remove the psw_addr + 1 hack.
13575 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13577 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13578 with aggregates here.
13579 (find_func_aliases): Remove code for &<aggregate> from here.
13581 2006-02-26 Roger Sayle <roger@eyesopen.com>
13583 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13584 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13585 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13586 as (X & C) ne/eq 0.
13588 2006-02-26 Roger Sayle <roger@eyesopen.com>
13590 PR middle-end/19983
13591 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13593 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13595 * opts.c (decode_options): Do not handle flag_strength_reduce.
13596 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13597 and OPT_fstrength_reduce.
13598 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13599 flag_prefetch_loop_arrays for being nonzero.
13600 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13602 (fprefetch-loop-arrays-rtl): Removed.
13603 (flag_prefetch_loop_arrays): Do not specify the value.
13605 * doc/passes.texi: Update documentation of loop optimizer
13607 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13608 -frerun-loop-opt): Remove.
13610 2006-02-26 Richard Guenther <rguenther@suse.de>
13612 PR tree-optimization/26421
13613 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13614 in function calls that are ADDR_EXPRs as using the whole structure.
13616 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13618 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13619 * tree-pass.h (pass_loop_optimize): Remove.
13620 * passes.c (pass_loop_optimize): Never run it.
13621 * toplev.c (backend_init): Don't call init_loop.
13622 * opts.c (flag_loop_optimize_set): Remove.
13623 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13624 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13625 the old RTL loop optimizer when profiling enabled.
13626 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13627 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13628 pre-headers for the sake of the old RTL loop optimizer.
13629 * Makefile.in: Remove all references to loop.o.
13631 * doc/invoke.texi: Remove all references to -floop-optimize
13632 and -frerun-loop-opt.
13634 2006-02-26 Zack Weinberg <zackw@panix.com>
13636 * doc/md.texi (Machine Constraints): Refer to all files with paths
13637 relative to gcc directory (i.e. config/CPU/file). Add missing
13638 @table @code ... @end table to M32C subsection.
13640 2006-02-26 Roger Sayle <roger@eyesopen.com>
13642 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13644 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13646 2006-02-26 Roger Sayle <roger@eyesopen.com>
13647 James A. Morrison <phython@gcc.gnu.org>
13649 PR middle-end/21137
13650 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13651 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13652 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13653 signedness of the shift operation.
13655 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13657 PR tree-optimization/26359
13658 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13660 2006-02-25 Roger Sayle <roger@eyesopen.com>
13662 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13663 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13664 as X == 0, and some symmetry related transformations.
13665 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13667 2006-02-25 Roger Sayle <roger@eyesopen.com>
13669 PR middle-end/23673
13670 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13671 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13672 symmetry related transformations. Fold (X^C1) == C2 as
13675 2006-02-25 Juergen Weigert <jw@suse.de>
13676 Richard Guenther <rguenther@suse.de>
13678 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13680 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13682 * combine.c (gen_lowpart_or_truncate): Call
13683 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13685 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13687 * doc/invoke.texi: Move -fopenmp description to "Options for
13689 Remove reference to -lgomp.
13691 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13693 * doc/install.texi: Require GNU tar version 1.14.
13695 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13697 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13698 * doc/invoke.texi (C++ Dialect Options): Document
13699 -fno-use-cxa-get-exception-ptr.
13700 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13701 * configure: Regenerate.
13702 * c.opt (fuse-cxa-get-exception-ptr): New.
13703 * c-opts.c (c_common_handle_option): Handle
13704 OPT_fuse_cxa_get_exception_ptr.
13705 * c-common.c (flag_use_cxa_atexit): Update documentation.
13706 (flag_use_cxa_get_exception_ptr): New.
13707 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13708 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13710 (C_COMMON_OVERRIDE_OPTIONS): New.
13712 2006-02-24 Roger Sayle <roger@eyesopen.com>
13714 PR middle-end/24952
13715 * combine.c (try_combine): Explicitly check whether GET_CODE is
13716 a SET or a CLOBBER, instead on checking that it isn't a USE.
13718 2006-02-24 Roger Sayle <roger@eyesopen.com>
13720 * fold-const.c (fold_comparison): New subroutine of fold_binary
13721 containing transformations common to both the equality and
13722 ordering relational operators, factored out of fold_binary.
13723 (fold_binary): Separate out the equality operators (EQ_EXPR
13724 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13725 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13726 transformations common to both.
13727 (fold_div_compare): Fix latent bugs in the previously unreachable
13728 LT_EXPR and GE_EXPR cases.
13730 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13732 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13733 decl libname for clog to __clog on AIX.
13735 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13737 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13740 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13741 output traceback table for thunks. Localise rs6000_stack_info call.
13743 2006-02-23 Roger Sayle <roger@eyesopen.com>
13744 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13746 * gthr-posix.h (__gthrw): Fix typo in comment.
13748 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13750 * doc/cpp.texi (Character sets): Document that we do support
13751 input files to be in any character set.
13753 2006-02-23 Jeff Law <law@redhat.com>
13755 * tree.h (PHI_ARG_NONZERO): Remove.
13756 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13757 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13758 node to the new node.
13760 PR tree-optimization/26425
13761 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13762 min/max, then assume its varying.
13764 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13766 PR rtl-optimization/26316
13767 * rtlanal.c (enum may_trap_p_flags): New.
13768 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13769 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13770 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13771 (may_trap_after_code_motion_p): New function.
13772 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13773 (find_invariant_insn): Use may_trap_after_code_motion_p.
13774 * rtl.h (may_trap_after_code_motion_p): Declare.
13776 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13778 * emit-rtl.c (immed_double_const): Cleanup.
13780 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13782 Fix PR tree-optimization/26376
13783 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13786 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13788 PR middle-end/26412
13789 * gimplify.c (omp_add_variable): Guard variable size decl test with
13790 DECL_SIZE (decl) check.
13792 2006-02-23 Richard Guenther <rguenther@suse.de>
13794 PR middle-end/26439
13795 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13796 like aggregate types.
13798 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13800 * configure.ac: Add --with{,out}-long-double-128 configure option.
13801 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13802 * configure: Rebuilt.
13803 * config.in: Rebuilt.
13804 * doc/install.texi (Options specification): Document
13805 --with-long-double-128.
13807 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13808 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13809 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13810 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13812 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13814 * config/s390/s390.c (override_options): Handle
13815 TARGET_DEFAULT_LONG_DOUBLE_128.
13817 * config/alpha/alpha.c (override_options): Handle
13818 TARGET_DEFAULT_LONG_DOUBLE_128.
13820 * config/sparc/sparc.c (sparc_override_options): Handle
13821 TARGET_DEFAULT_LONG_DOUBLE_128.
13823 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13825 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13826 (real-install-headers-tar, real-install-headers-cpio)
13827 (real-install-headers-cp): New targets.
13829 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13831 * tree.h (variable_section): Delete.
13832 * varasm.c (variable_section): Delete.
13834 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13836 * install.texi: Add notes on install.texi2html.
13837 (Building in parallel): Do not use footnotes.
13839 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13842 * doc/install.texi (Configuration): Document --disable-libgomp.
13844 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13846 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13848 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13850 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13851 (vec_extractv2df_0_sse): New.
13853 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13855 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13856 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13857 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13858 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13859 to the result of the expression.
13860 (def_cfa_1): Adjust.
13861 (frame_pointer_cfa_offset): Rename to...
13862 (frame_pointer_fb_offset): ... this. Adjust all uses.
13863 (convert_cfa_to_loc_list): Rename to...
13864 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13865 Pass it on to build_cfa_loc.
13866 (compute_frame_pointer_to_cfa_displacement): Rename to...
13867 (compute_frame_pointer_to_fb_displacement): ... this. New
13868 offset parameter. Use it in computation.
13869 (gen_subprogram_die): Compute cfa_fb_offset with the new
13870 macro, and use it to compute the fb loc list and the
13873 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13875 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13876 replaced with register_operand.
13877 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13878 non-DREG is expensive.
13879 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13880 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13883 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13885 * doc/install.texi2html: Use set -e.
13887 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13889 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13890 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13891 * doc/invoke.texi (-fshared-data): Delete.
13892 * common.opt (fshared-data): Delete.
13893 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13894 (assemble_static_space): Remove #if 0 code.
13895 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13896 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13897 * config/cris/cris.h: Remove FIXME.
13899 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13901 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13904 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13906 PR middle-end/26379
13907 * combine.c (simplify_shift_const_1): Disable nested shifts
13908 optimization for vector shifts.
13910 2006-02-20 Roger Sayle <roger@eyesopen.com>
13912 PR tree-optimization/26361
13913 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13914 of unsigned integer types.
13916 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13918 * tree-chrec.c (eq_evolutions_p): New.
13919 * tree-chrec.h (eq_evolutions_p): Declared.
13920 * tree-data-ref.c: Fix formatting.
13921 (datadep_stats, dependence_stats): New.
13923 (print_direction_vector): New.
13924 (dump_data_dependence_relation): Use print_direction_vector.
13925 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13926 (compute_subscript_distance): Static.
13927 (initialize_data_dependence_relation): Static. Get the number
13928 of loops surrounding the references from the callers, and initialize
13929 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13930 base_object_differ_p analyzers.
13931 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13932 compute_overlap_steps_for_affine_1_2,
13933 analyze_subscript_affine_affine): Count the classified dependences.
13934 Print a message when a test failed.
13935 (can_use_analyze_subscript_affine_affine): New.
13936 (analyze_siv_subscript): Compute the data dependences on symbolic
13937 scevs that verify can_use_analyze_subscript_affine_affine.
13938 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13939 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13940 Handle symbolic scevs.
13941 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13943 (subscript_dependence_tester): Moved...
13944 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13945 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13946 DDR_SIZE_VECT instead of getting it in parameter.
13947 (subscript_dependence_tester): ... here. Take as a parameter
13948 loop_nest_depth. Call build_classic_dist_vector and
13949 build_classic_dir_vector.
13950 (compute_affine_dependence): Update subscript_dependence_tester
13951 parameters. Update datadep_stats counters. Call
13952 compute_subscript_distance.
13953 (compute_self_dependence): Save the dist and dir vectors. Call
13954 compute_subscript_distance.
13955 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13956 (compute_all_dependences): Reorder parameters as they were before
13957 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13958 compute_subscript_distance. Update the use of
13959 compute_affine_dependence and initialize_data_dependence_relation.
13960 (find_data_references_in_loop): Handle COMPONENT_REF.
13961 (compute_data_dependences_for_loop): Initialize dependence_stats.
13962 Don't call build_classic_dist_vector and build_classic_dir_vector.
13963 Update the parameters of initialize_data_dependence_relation and
13964 compute_all_dependences. Print the statistics from datadep_stats.
13965 (analyze_all_data_dependences): Static. Not used until the pass for
13966 checking the data dependences is contributed.
13967 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13968 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13969 (initialize_data_dependence_relation, compute_affine_dependence,
13970 analyze_all_data_dependences, compute_subscript_distance): Removed.
13971 (print_direction_vector): New.
13972 * lambda.h (gcd): ... here.
13973 (lambda_vector_gcd): Moved here from gcd_vector.
13974 * lambda-code.c (gcd, gcd_vector): Removed.
13975 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13976 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13978 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13980 * ipa-type-escape.c: Tidy some comments and white space.
13981 * tree-ssa-operands.c: Likewise.
13983 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13986 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13987 (dump_decl_name): Do not walk the decl tree chains.
13988 * tree-pass.h (TDF_CHAIN): Remove.
13990 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13992 * Makefile.in (C): Remove
13994 (.PHONY): Remove C and PROTO
13996 2006-02-20 Roger Sayle <roger@eyesopen.com>
13998 PR middle-end/26236
13999 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14000 deprecated CHAR_TYPE tree code.
14002 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14004 * configure.ac (target_list): Add install-info, dvi, html.
14005 * configure: Regenerate.
14007 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14008 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14009 treelang/Make-lang.in: Do not use double-colon rules.
14011 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14013 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14014 (TMT_USED_ALONE): New macro.
14015 * tree-pass.h (PROP_tmt_usage): New property.
14016 (TODO_update_tmt_usage): New todo.
14017 * tree-ssa-alias.c (updating_used_alone): New variable.
14018 (recalculate_used_alone): New function.
14019 (compute_may_aliases): Set updating_used_alone, call
14020 recalculate_used_alone.
14021 * tree-sra.c (pass_sra): Note that this pass destroys
14022 PROP_tmt_usage, and add TODO_update_tmt_usage.
14023 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14024 * tree-flow.h (updating_used_alone): Prototype.
14025 (recalculate_used_alone): Ditto.
14026 * passes.c (execute_todo): Add code to set updating_used_alone,
14027 and call recalculate.
14028 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14029 for clobber if used alone, and add assert to verify used_alone
14032 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14034 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14035 for non tls symbols added.
14036 (legitimize_address): Do nothing for PLUS expressions if one of the
14037 addends is a tls symbol reference.
14039 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14043 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14045 * Makefile.in (BOOTSTRAPPING): New.
14046 (quickstrap): New definition if BOOTSTRAPPING=yes.
14048 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14049 * configure.ac: Substitute all_selected_languages with the languages
14050 that were configured. For all the other variables except
14051 lang_specs_files, include all the languages in the tree.
14052 * configure: Regenerate.
14054 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14055 if there is one. Run the commands to run fixincludes in the same
14058 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14059 * doc/install.texi: Document exact conventions for searching target tools.
14060 Document --with-build-time-tools. Document toplevel bootstrap. Document
14061 something more about building an Ada cross-compiler. Don't list GNU Make
14062 requirements which affect all platforms.
14064 2006-02-19 Roger Sayle <roger@eyesopen.com>
14066 PR middle-end/19543
14067 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14068 only equivalent if the have both the same mode and precision.
14070 2006-02-20 Ben Elliston <bje@au.ibm.com>
14072 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14074 2006-02-19 Roger Sayle <roger@eyesopen.com>
14075 Steven Bosscher <stevenb.gcc@gmail.com>
14077 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14078 constant pool references to identify stack mode constants.
14079 * rtlanal.c (constant_pool_constant_p): New predicate to check
14080 whether operand is a floating point constant in the pool.
14081 * rtl.h (constant_pool_constant_p): Prototype here.
14082 * loop.c (scan_loop): Avoid hoisting constants from the constant
14083 pool on STACK_REGS targets.
14084 (load_mems): Likewise.
14085 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14086 loads into x87 registers expensive in terms of register pressure.
14088 2006-02-19 Roger Sayle <roger@eyesopen.com>
14090 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14091 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14093 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14095 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14096 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14098 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14100 * doc/invoke.texi: Document -fipa-pta.
14101 * common.opt: Add ipa-pta option.
14102 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14103 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14104 (do_ds_constraint): Ditto.
14105 (get_constraint_for): Only add to referenced_vars if
14106 referenced_vars exists.
14107 (insert_into_field_list): Rewrite to do this unsorted.
14108 (insert_into_field_list_sorted): Rename old insert_into_field_list
14110 (create_function_info_for): Use insert_into_field_list_sorted.
14111 (create_variable_info_for): Rewrite so it uses unsorted version,
14112 since the field list is sorted.
14113 (intra_create_variable_infos): Only add to referenced_vars if
14114 referenced_vars exists.
14115 (ipa_pta_execute): Init heapvars, and delete when done.
14116 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14118 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14120 * doc/install.texi: Add missing `@samp'.
14122 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14124 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14127 2006-02-18 Mark Wielaard <mark@klomp.org>
14129 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14130 who added new 4.1 features, bug fixes and integration support.
14132 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14135 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14136 MEM for ABI_V4 pic.
14138 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14140 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14141 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14142 (copy_insn_1): Likewise. Don't copy each field individually.
14144 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14146 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14147 * rtl.c (rtx_size): Rename variable to...
14148 (rtx_code_size): ...this.
14149 (rtx_size): New function.
14150 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14151 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14153 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14154 * rtl.h (rtx_code_size): New variable.
14155 (rtx_size): Change from a variable to a function.
14156 (RTX_SIZE): Rename to...
14157 (RTX_CODE_SIZE): ...this.
14160 PR tree-optimization/17106
14161 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14162 (Anchored Addresses): New section.
14163 * doc/invoke.texi (-fsection-anchors): Document.
14164 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14165 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14166 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14167 * hooks.c (hook_bool_mode_rtx_false): New function.
14168 * hooks.h (hook_bool_mode_rtx_false): Declare.
14169 * gengtype.c (create_optional_field): New function.
14170 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14171 SYMBOL_REF_IN_BLOCK_P is true.
14172 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14173 (min_anchor_offset, max_anchor_offset): Likewise.
14174 (use_anchors_for_symbol_p): New hook.
14175 * toplev.c (compile_file): Call output_object_blocks.
14176 (target_supports_section_anchors_p): New function.
14177 (process_options): Check that -fsection-anchors is only used on
14178 targets that support it and when -funit-at-a-time is in effect.
14179 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14180 if the decl doesn't have one.
14181 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14182 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14183 of force_const_mem through use_anchored_address.
14184 (expand_expr_constant): New function.
14185 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14186 calling expand_expr for INDIRECT_REF.
14187 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14188 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14189 * expr.h (use_anchored_address): Declare.
14190 * loop-unroll.c: Don't declare rtx vectors here.
14191 * explow.c: Include output.h.
14192 (validize_mem): Call use_anchored_address.
14193 (use_anchored_address): New function.
14194 * common.opt (-fsection-anchors): New switch.
14195 * varasm.c (object_block_htab, anchor_labelno): New variables.
14196 (hash_section, object_block_entry_eq, object_block_entry_hash)
14197 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14198 (use_blocks_for_decl_p, change_symbol_section): New functions.
14199 (get_variable_section): New function, split out from assemble_variable.
14200 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14201 use_blocks_for_decl_p say so. Use change_symbol_section if the
14202 symbol has already been created.
14203 (assemble_variable_contents): New function, split out from...
14204 (assemble_variable): ...here. Don't output any code for
14205 block symbols; just pass them to place_block_symbol.
14206 Use get_variable_section and assemble_variable_contents.
14207 (get_constant_alignment, get_constant_section, get_constant_size): New
14208 functions, split from output_constant_def_contents.
14209 (build_constant_desc): Create a block symbol if use_object_blocks_p
14210 says so. Or into SYMBOL_REF_FLAGS.
14211 (assemble_constant_contents): New function, split from...
14212 (output_constant_def_contents): ...here. Don't output any code
14213 for block symbols; just pass them to place_section_symbol.
14214 Use get_constant_section and get_constant_alignment.
14215 (force_const_mem): Create a block symbol if use_object_blocks_p and
14216 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14217 (output_constant_pool_1): Add an explicit alignment argument.
14218 Don't switch sections here.
14219 (output_constant_pool): Adjust call to output_constant_pool_1.
14220 Switch sections here instead. Don't output anything for block symbols;
14221 just pass them to place_block_symbol.
14222 (init_varasm_once): Initialize object_block_htab.
14223 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14224 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14225 (place_block_symbol, get_section_anchor, output_object_block)
14226 (output_object_block_htab, output_object_blocks): New functions.
14227 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14228 (TARGET_ASM_OUT): Include it.
14229 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14230 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14231 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14232 (TARGET_INITIALIZER): Include them.
14233 * rtl.c (rtl_check_failed_block_symbol): New function.
14234 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14235 (block_symbol, object_block): New structures.
14236 (rtx_def): Add a block_symbol field to the union.
14237 (BLOCK_SYMBOL_CHECK): New macro.
14238 (rtl_check_failed_block_symbol): Declare.
14239 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14240 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14241 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14242 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14243 * output.h (output_section_symbols): Declare.
14244 (object_block): Name structure.
14245 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14246 (default_use_anchors_for_symbol_p): Declare.
14247 * Makefile.in (RTL_BASE_H): Add vec.h.
14248 (explow.o): Depend on output.h.
14249 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14250 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14251 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14252 (rs6000_use_blocks_for_constant_p): New function.
14254 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14256 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14258 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14261 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14264 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14266 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14270 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14272 PR middle-end/26334
14273 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14274 instead of DECL_REGISTER.
14276 2006-02-18 Olivier Hainque <hainque@adacore.com>
14279 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14281 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14284 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14285 * opth-gen.awk: Handle Var and InverseMask together.
14286 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14287 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14288 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14289 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14291 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14292 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14293 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14294 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14295 LINUX_DYNAMIC_LINKER): Define.
14296 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14297 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14299 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14300 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14301 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14303 (TARGET_C99_FUNCTIONS): Don't define.
14304 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14305 GLIBC_DYNAMIC_LINKER.
14306 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14307 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14308 GLIBC_DYNAMIC_LINKER64): Define.
14309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14310 LINUX_DYNAMIC_LINKER64.
14311 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14313 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14314 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14315 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14316 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14317 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14318 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14319 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14320 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14321 and LINUX_DYNAMIC_LINKER32.
14322 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14324 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14325 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14326 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14328 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14329 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14330 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14331 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14332 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14333 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14334 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14335 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14336 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14337 LINUX_DYNAMIC_LINKER): Define.
14338 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14339 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14340 GLIBC_DYNAMIC_LINKER64): Define.
14341 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14342 LINUX_DYNAMIC_LINKER64.
14343 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14344 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14345 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14346 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14347 LINUX_DYNAMIC_LINKER): Define.
14348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14349 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14350 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14351 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14352 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14353 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14354 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14355 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14356 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14357 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14358 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14359 * doc/invoke.texi (-muclibc): Remove caveat about supported
14362 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14364 * doc/cpp.texi (__TIMESTAMP__): Document.
14366 2006-02-17 Roger Sayle <roger@eyesopen.com>
14368 PR middle-end/25600
14369 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14370 C is one less than the width of X (and related transformations).
14371 * simplify-rtx.c (simplify_unary_operation_1): Transform
14372 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14373 depending on STORE_FLAG_VALUE, were C is one less then the
14376 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14378 Fix PR tree-optimization/26341
14379 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14380 about NAME_MEMORY_TAG's.
14382 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14385 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14386 with hardware float support, and software float support. Add fcpy
14387 alternative to hardware patterns. Add alternatives to copy between
14388 general and floating-point registers to the 32-bit pattern.
14389 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14390 secondary reload to load a QI or HI mode constant into a floating
14392 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14393 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14395 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14398 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14400 (load_macho_picbase_di): Likewise.
14402 2006-02-16 Jeff Law <law@redhat.com>
14404 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14405 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14406 (ssa_name_nonzero_p): Likewise.
14407 (get_value_range): Return NULL if VRP is not running.
14408 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14409 VRP routines do not discover a range.
14410 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14411 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14412 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14413 (tree_expr_nonnegative_p): Similarly.
14414 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14415 (restore_nonzero_vars_to_original_value): Remove.
14416 (unsafe_associative_fp_binop): Remove.
14417 (tree_ssa_dominator_optimize): Remove initialization and
14418 finalization of nonzero_vars and nonzero_vars_stack.
14419 (dom_opt_initialize_block): No longer push marker on
14420 nonzero_vars_stack.
14421 (dom_opt_finalize_block): No longer call
14422 restore_nonzero_vars_to_original_value.
14423 (record_equivalences_from_phis): No longer look for
14424 nonzero PHI arguments.
14425 (cprop_into_successor_phis): No longer propagate nonzero
14426 property into PHI arguments. Lose unused argument. Caller
14428 (record_equivalences_from_stmt): No longer record nonzero
14429 values for SSA_NAMEs.
14430 (lookup_avail_expr): No longer use nonzero_vars.
14432 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14433 for sizetype when sizetype is unsigned.
14435 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14437 PR rtl-optimization/25603
14438 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14439 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14440 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14441 with new meaning of SETS.
14443 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14448 * config/linux.opt: New file.
14449 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14450 LINUX_DYNAMIC_LINKER): Define.
14451 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14452 * config.gcc (*-*-linux*): Define extra_options.
14453 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14454 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14455 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14456 GLIBC_DYNAMIC_LINKER.
14457 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14458 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14459 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14461 * doc/invoke.texi (GNU/Linux Options): New section.
14463 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14465 * config/sparc/sparc.md (setjmp): Rewrite.
14466 (setjmp_32): Delete.
14467 (setjmp_64): Likewise.
14469 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14471 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14474 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14476 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14479 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14481 PR rtl-optimization/26296
14482 * Makefile.in (loop-invariant.c): Add except.h dependency.
14483 * loop-invariant.c: Include except.h.
14484 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14486 2005-02-16 Paul Brook <paul@codesourcery.com>
14488 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14491 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14493 PR rtl-optimization/25636
14494 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14495 when deciding whether an insn is an initializing insn.
14497 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14499 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14500 (tree_code_size): Ditto.
14501 * tree.h (struct tree_memory_tag): Remove parent_var.
14502 (struct tree_struct_field_tag): New.
14505 (union tree_node): Add sft member.
14506 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14508 (create_sft): Add size and offset argument, set SFT_OFFSET and
14510 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14511 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14512 * tree-flow-inline.h (get_subvar_at): Update for
14513 SFT_OFFSET/SFT_SIZE.
14514 (var_can_have_subvars): Ditto.
14515 (overlap_subvar): Ditto.
14516 * print-tree.c (print_node): Print out interesting things for
14518 * tree-flow.h (struct subvar): Remove offset and size members.
14519 * tree-ssa-operands.c (get_expr_operands): Update for
14520 get_indirect_ref_operands changes.
14521 (get_indirect_ref_operands): Call add_virtual_operand instead of
14522 add_stmt_operand. Only recurse on base var if requested.
14523 (access_can_touch_variable): New function.
14524 (add_stmt_operand): Split virtual operand handling into ...
14525 (add_virtual_operand): Here. Add offset, size, and for_clobber
14526 arguments. Prune alias sets.
14527 (add_call_clobber_ops): Call add_virtual_operand.
14529 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14531 PR middle-end/26300
14532 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14534 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14535 than TREE_CODE as index into omp_clause_num_ops array.
14537 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14539 PR rtl-optimization/26184
14540 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14542 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14543 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14544 must_precede, must_follow and tobe_scheduled.
14547 * opts.c (common_handle_option): Free new_option pointer.
14548 * df-core.c (df_analyze): Free postorder pointer.
14550 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14552 * Makefile.in: Fix the examples about the use of stamps
14554 2006-02-15 Michael Matz <matz@suse.de>
14556 PR middle-end/22275
14558 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14559 influenced by maximum_field_alignment or DECL_PACKED.
14560 (update_alignment_for_field): Ditto.
14561 (place_field): Ditto.
14562 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14565 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14567 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14568 (debug_flow_info): Pass it.
14569 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14570 * bb-reorder.c (reorder_basic_blocks): Likewise.
14571 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14572 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14573 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14574 * gcse.c (gcse_main, bypass_jumps): Likewise.
14575 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14576 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14577 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14578 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14579 * rtl.h (dump_flow_info): Adjust prototype.
14580 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14581 * var-tracking.c (variable_tracking_main): Likewise.
14582 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14583 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14586 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14588 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14591 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14593 PR tree-optimization/26209
14594 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14595 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14597 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14599 2006-02-14 Roger Sayle <roger@eyesopen.com>
14601 PR middle-end/23670
14602 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14603 (X,Y) and the corresponding symmetry related transformations.
14604 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14605 (X,Y) and its symmetry related transformations.
14607 2006-02-14 Roger Sayle <roger@eyesopen.com>
14609 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14612 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14614 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14616 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14619 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14620 support COMDAT group.
14621 * configure: Regenerate.
14623 2006-02-14 Roger Sayle <roger@eyesopen.com>
14625 PR middle-end/26279
14626 PR middle-end/26280
14627 PR middle-end/26283
14628 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14630 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14632 Fix PR tree-optimization/26260
14634 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14636 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14637 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14638 * tree-ssa-structalias.c (create_variable_info_for): Use
14639 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14641 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14643 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14645 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14646 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14647 of the ending condition.
14648 * tree-ssa-loop-manip.c: Include params.h.
14649 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14650 tree_unroll_loop): New functions.
14651 * tree-pass.h (pass_loop_prefetch): Declare.
14652 * loop.c (rest_of_handle_loop_optimize): Test for
14653 -fprefetch-loop-arrays-rtl.
14654 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14655 * timevar.def (TV_TREE_PREFETCH): New timevar.
14656 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14657 pass_loop_prefetch): New.
14658 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14659 (cleanup_tree_cfg_loop): Call scev_reset.
14660 * common.opt (fprefetch-loop-arrays-rtl): Add.
14661 * tree-ssa-loop-prefetch.c: New file.
14662 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14663 (new_temp_expr_table): Initialize expr_vars.
14664 (free_temp_expr_table): Cleanup expr_vars.
14665 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14666 expressions from being merged into one.
14667 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14668 (struct tree_niter_desc): Add control, bound and cmp fields.
14669 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14671 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14672 (tree-cfgcleanup.o): Add SCEV_H dependency.
14673 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14674 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14676 2006-02-14 Richard Guenther <rguenther@suse.de>
14678 PR tree-optimization/26258
14679 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14680 in PHI argument processing.
14682 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14684 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14685 new expression in the requested machine mode.
14687 2006-02-13 Roger Sayle <roger@eyesopen.com>
14689 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14690 directly, instead let do_compare_rtx_and_jump handle this for us.
14691 * expr.c (expand_expr_real_1): Likewise.
14692 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14693 before do_jump_by_parts_greater.
14694 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14695 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14697 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14699 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14701 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14703 PR rtl-optimization/26235
14704 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14705 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14708 2006-02-13 Jeff Law <law@redhat.com>
14710 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14713 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14715 PR middle-end/26092
14716 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14717 twice if decl is a builtin. When trying again, call get_callee_fndecl
14718 first to verify it is still a builtin.
14720 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14722 * dwarf2out.c (base_type_die): Don't add AT_name here.
14723 (subrange_type_die): Don't add AT_name here.
14724 (modified_type_die): Rearrange code flow. Do add AT_name here.
14726 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14728 PR rtl-optimization/26247
14729 PR rtl-optimization/26248
14730 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14732 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14734 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14735 * config/fixtfdi.c: Likewise.
14736 * config/fixunstfdi.c: Likewise.
14737 * config/floatditf.c: Likewise.
14739 2006-02-13 Roger Sayle <roger@eyesopen.com>
14741 PR middle-end/24427
14742 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14743 into (X,C2) if C1 is a subset of the bits of C2. Transform
14744 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14746 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14748 2006-02-13 Josh Conner <jconner@apple.com>
14751 * varasm.c (function_section): Check for section name before
14752 calling select_section on targets that define
14753 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14754 unlikely_text_section instead of hot_function_section if
14755 first_function_block_is_cold.
14757 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14759 PR middle-end/25335
14760 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14762 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14764 PR rtl-optimization/26222
14765 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14766 after tree->rtl expansion.
14767 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14768 before passing it to emit_move_insn.
14770 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14772 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14774 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14775 Clarify documentation.
14776 * c-common.h (warn_write_strings): Remove.
14777 * c-common.c (warn_write_strings): Likewise.
14778 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14781 2006-02-12 Roger Sayle <roger@eyesopen.com>
14783 PR middle-end/25724
14784 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14785 (do_jump_parts_zero_rtx): New function renamed from
14786 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14787 (do_jump_parts_equality_rtx): New function split out from
14788 do_jump_parts_equality. Old implementation renamed as above.
14789 Call do_jump_parts_zero_rtx if either operand is zero.
14790 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14791 do all of the heavy lifting.
14792 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14793 calling either do_jump_by_parts_greater_rtx or
14794 do_jump_by_parts_equality_rtx.
14795 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14796 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14797 moved to do_compare_rtx_and_jump, call it directly.
14798 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14799 mode argument. Call do_compare_rtx_and_jump.
14800 (emit_case_nodes): Update calls to do_jump_if_equal.
14802 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14804 PR rtl-optimization/26225
14805 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14807 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14809 PR rtl-optimization/26232
14810 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14812 2006-02-11 Jason Merrill <jason@redhat.com>
14815 * tree-inline.c (declare_return_variable): Just don't use the
14816 modify target if it's a gimple complex reg and the return slot
14819 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14821 * doc/contrib.texi: Update my entry.
14823 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14825 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14827 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14829 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14832 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14834 * doc/invoke.texi (-floop-optimize2): Removed.
14835 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14836 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14837 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14838 * common.opt (floop-optimize2): Removed.
14839 (fmove-loop-invariants): Enabled by default.
14841 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14843 * tree-if-conv.c (combine_blocks): Free the result of
14844 get_loop_exit_edges.
14846 2006-02-10 Jeff Law <law@redhat.com>
14848 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14850 PR tree-optimization/26213
14851 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14852 loop trying to follow SSA_NAME_VALUE chains.
14854 2006-02-10 Richard Guenther <rguenther@suse.de>
14856 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14857 deal with structures that end in implicitly variable sized arrays.
14859 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14861 PR rtl-optimization/24762
14862 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14865 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14867 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14868 (struct ivopts_data): Add regs_used field.
14869 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14870 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14871 instead of loop_data->regs_used;
14872 (free_loop_data): Do not free aux fields for loops.
14873 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14874 and tree_ssa_iv_optimize_finalize.
14876 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14878 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14880 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14883 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14884 computing the effective result type.
14886 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14888 PR inline-asm/16194
14889 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14890 (tree_overlaps_hard_reg_set): Declare.
14891 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14892 type and signature to match function type expected by walk_tree.
14893 (tree_overlaps_hard_reg_set): New function.
14894 (decl_conflicts_with_clobbers_p): Rename to:
14895 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14896 Use tree_overlaps_hard_reg_set. Changed caller.
14897 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14898 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14899 * cris.c (cris_md_asm_clobbers): Likewise.
14901 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14903 * reload1.c (emit_input_reload_insns): Delete code that tries to
14904 inherit using find_equiv_reg.
14906 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14908 * c-common.h (flag_const_strings): Don't declare.
14909 * c-common.c (flag_const_strings): Remove.
14910 * c.opt (fconst_strings): Remove.
14911 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14912 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14913 (c_common_init_options): Don't set flag_const_strings.
14914 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14916 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14918 * arm.md (tlobits_cbranch): New pattern.
14919 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14920 testing a single bit.
14922 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14925 * tree-ssa-pre.c (create_component_ref_by_pieces):
14926 Handle RETURN_DECL like VAR_DECL.
14928 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14930 PR middle-end/26134
14931 * fold-const.c (fold_indirect_ref_1): Fold
14932 "*(foo *)&complexfoo" to "__real__ complexfoo"
14933 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14935 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14937 * tree-flow-inline.h (var_can_have_subvars):
14938 Volatile variables should not have subvariables.
14940 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14943 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14944 multiplying unsigned values.
14947 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14949 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14951 2006-02-08 Jason Merrill <jason@redhat.com>
14954 * tree.def: Elaborate on difference from MODIFY_EXPR.
14955 * doc/c-tree.texi (INIT_EXPR): Likewise.
14956 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14957 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14958 (gimplify_target_expr): Likewise.
14959 (gimplify_cond_expr): Remove target handling.
14960 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14961 (gimplify_expr): Clobber it here.
14962 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14963 Do return slot optimization if we have an INIT_EXPR.
14966 * tree-inline.c (declare_return_variable): Also clear
14967 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14970 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14972 PR middle-end/22439
14973 * gimplify.c (gimplify_one_sizepos): Fix typo.
14975 2006-02-08 Jeff Law <law@redhat.com>
14977 PR tree-optimization/21417
14978 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14979 across a backedge if the control statement at the end of the
14980 block is data dependent on other statements in the same block.
14981 (record_temporary_equivalences_from_stmts): Remove over-conservative
14982 test for threading across backedges.
14984 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14985 control statement, handle all three special cases in the same
14986 manner as they all have the same desired solution. No longer
14987 special case edge flag updating when the post dominator is
14990 2006-02-08 Roger Sayle <roger@eyesopen.com>
14992 * tree.def (CHAR_TYPE): Remove.
14993 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14994 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14995 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14996 (gen_string_type_die): Delete unreachable function.
14998 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14999 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15000 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15001 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15002 * builtins.c (type_to_class): Likewise.
15003 * fold-const.c (fold_convert, build_range_check,
15004 merge_ranges): Likewise.
15005 * expr.c (count_type_elements): Likewise.
15006 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15007 * stor-layout.c (layout_type): Likewise.
15008 * ipa-type-escape.c (type_to_consider): Likewise.
15009 * gimplify.c (omp_firstprivatize_type_sizes,
15010 gimplify_type_sizes): Likewise.
15011 * explow.c (promote_mode): Likewise.
15012 * tree-sra.c (is_sra_scalar_type): Likewise.
15013 * varasm.c (output_constant): Likewise.
15014 * tree-inline.c (remap_type_1): Likewise.
15015 * convert.c (convert_to_pointer, convert_to_real,
15016 convert_to_integer, convert_to_complex): Likewise.
15018 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15020 * df-scan.c (df_def_record_1): A set destination may
15021 be a parallel regardless of mode.
15023 2006-02-08 Roger Sayle <roger@eyesopen.com>
15026 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15027 * config/mips/_tilib.c: Remove.
15028 * config/fixtfdi.c: New libgcc source file.
15029 * config/fixunstfdi.c: New source file.
15030 * config/floatditf.c: New source file.
15031 * config/floatunditf.c: New souce file.
15032 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15033 files above instead of config/mips/_tilib.c.
15034 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15036 2006-02-08 Jeff Law <law@redhat.com>
15038 PR tree-optimization/26169
15039 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15042 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15044 * df.h (DF_REG_SIZE): Return the length of the initialized
15047 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15049 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15050 __muldf3): Return a correctly signed zero.
15052 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15054 * passes.c (register_one_dump_file): Accept the current properties
15055 instead of pass number. Adjust call to dump_register. Remove
15057 (register_dump_files): Now a wrapper around...
15058 (register_dump_files_1): ... this one. Do not modify the pass
15060 (next_pass_1): Cosmetic fix.
15061 (execute_todo): Keep second parameter only. Use curr_properties
15062 instead of fetching it from the pass structure. Check and set
15064 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15065 instead of fetching it from the pass structure. Fix calls to
15066 execute_todo. Update curr_properties and initialize .vcg RTL dump
15067 after running the pass. Reset last_verified.
15068 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15070 (FIRST_AUTO_NUMBERED_DUMP): New.
15071 (dump_register): Remove "num" parameter, assign it within the
15073 (get_dump_file_name): Modify template for dumps.
15074 * tree-dump.h (dump_register): Adjust prototype.
15075 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15076 (PROP_trees): Add PROP_gimple_lomp.
15077 (TODO_set_props): New.
15078 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15079 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15080 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15082 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15084 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15085 (sparc64-*-linux*): Likewise.
15086 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15087 * config/sparc/t-linux: New file.
15088 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15089 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15090 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15091 -m32 -mlong-double-128.
15093 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15094 * config/alpha/t-linux: New file.
15095 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15097 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15098 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15099 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15100 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15101 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15102 (CPP_ARCH32_SPEC): Remove.
15104 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15106 PR tree-optimization/26145
15107 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15110 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15113 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15114 >= 240000 when generating code for SOM runtime.
15115 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15116 to $$dyncall when generating code for SOM runtime..
15118 2006-02-07 Dirk Mueller <dmueller@suse.com>
15121 * doc/invoke.texi (-Wsequence-point): Update documentation
15122 that -Wsequence-point is implemented for C++ as well.
15124 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15126 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15127 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15128 (LIB_SPEC): Likewise.
15129 * doc/invoke.texi (SPARC options): Document -pthread.
15131 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15133 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15136 2006-02-07 Roger Sayle <roger@eyesopen.com>
15138 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15139 Correct comment describing BOOLEAN_TYPE.
15141 2006-02-07 Dirk Mueller <dmueller@suse.com>
15143 * c.opt: C++ frontend supports -Wdiv-by-zero.
15144 * c-opts.c (c_common_handle_option): Remove dead case.
15146 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15148 * configure.ac (TLS assembler check): Do not enable TLS by
15149 default on SPARC/Solaris before version 10.
15150 * configure: Regenerate.
15152 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15154 * doc/invoke.texi (xl-compat): Document conversion and support
15157 2006-02-07 Jeff Law <law@redhat.com>
15159 * tree-vrp.c (find_conditional_asserts): Update comments.
15160 (simplify_stmt_for_jump_threading): New.
15161 (identify_jump_threads, finalize_jump_threads): New.
15162 (vrp_finalize): Call identify_jump_threads.
15163 (execute_vrp): Call finalize_jump_threads.
15164 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15165 (vrp_element, vrp_data, vrp_element_p): Remove.
15166 (vrp_hash_elt, vrp_variables_stack): Remove.
15167 (vrp_hash, vrp_eq, record_range): Remove.
15168 (simplify_cond_and_lookup_avail_expr): Remove.
15169 (extract_range_from_cond): Remove.
15170 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15171 (simplify_stmt_for_jump_threading): New.
15172 (dom_thread_across_edge): New wrapper.
15173 (tree_ssa_dominator_optimize): No longer initialize or
15174 finalize any of the VRP datastructures. Remove iteration
15175 step and simplify as a result of removal of iteration step.
15176 (pass_dominator): Perform a cfg cleanup after DOM.
15177 (dom_opt_finalize_block): Use the new common routines
15178 for threading jumps. Simplify stack management slightly.
15179 No longer need to unwind VRP state.
15180 (record_equivalences_from_incoming_edge): No longer record
15182 (eliminate_redundant_computations): No longer call
15183 simplify_cond_and_lookup_avail_expr.
15184 * tree-flow.h (potentially_threadable_block): Prototype.
15185 (thread_across_edge): Likewise.
15186 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15187 (tree-ssa-threadedge.o): Add dependencies.
15188 * tree-ssa-threadedge.c: New file.
15189 * passes.c (init_optimization_passes): Merge PHIs before
15190 calling VRP. Run VRP again late in the SSA optimization pipeline.
15192 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15194 * df-core.c (df_set_blocks): Do not dereference function pointers.
15195 (df_finish1): Likewise.
15196 (df_hybrid_search_forward): Likewise.
15197 (df_hybrid_search_backward): Likewise.
15198 (df_iterative_dataflow): Likewise.
15199 (df_analyze_problem): Likewise.
15200 (df_compact_blocks): Likewise.
15201 (df_dump): Likewise.
15202 * df-scan.c (df_rescan_blocks): Likewise.
15203 (df_record_entry_block_defs): Likewise.
15205 * genconditions.c (write_conditions): Guard the definition of
15206 'insn_conditions' with the check on GCC version.
15207 (write_writer): Guard the traversal 'insn_conditions' with
15208 the check on GCC version.
15210 2006-02-07 Richard Guenther <rguenther@suse.de>
15214 2006-01-30 Richard Guenther <rguenther@suse.de>
15216 * gimplify.c (gimplify_target_expr): Handle easy cases
15217 without creating a temporary.
15219 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15221 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15222 use of float in probability computations. Use edge probabilities
15223 in place of statically computed probabilities.
15224 (min_spec_prob): New static variable.
15225 (schedule_insns): Initialize it.
15226 (GET_SRC_PROB): Removed.
15227 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15229 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15232 * config/ia64/unwind-ia64.c: Revert last change.
15233 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15234 (INCOMING_FRAME_SP_OFFSET): Define.
15236 2006-02-06 Roger Sayle <roger@eyesopen.com>
15238 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15240 2006-02-07 Ben Elliston <bje@au.ibm.com>
15242 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15243 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15244 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15245 (ix86_return_in_memory): Handle TDmode.
15246 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15247 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15249 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15251 * reorg.c (dbr_schedule): Use dump_file instead of file.
15253 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15256 * config/ia64/predicates.md (extr_len_operand): New predicate.
15257 * config/ia64/ia64.md (extv): Tighten constraints.
15259 (*tbit_and_2): Ditto.
15260 (*tbit_and_3): Ditto.
15261 (*tbit_or_2): Ditto.
15262 (*tbit_or_3): Ditto.
15263 (*bit_zero): Ditto.
15266 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15269 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15271 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15273 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15274 loop_optimizer_init and loop_optimizer_finalize
15275 * tree-ssa-sink.c (execute_sink_code): Ditto.
15276 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15277 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15278 tree_ssa_loop_done): Ditto.
15279 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15280 * sched-ebb.c: Include output.h.
15281 (schedule_ebbs): Do not use dump argument.
15282 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15283 * loop.c (loop_dump_stream): Removed.
15284 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15286 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15287 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15288 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15289 loop_iterations, strength_reduce, record_biv, record_giv,
15290 final_giv_value, check_final_value, check_ext_dependent_givs,
15291 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15292 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15293 dump_file instead of loop_dump_stream.
15294 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15295 argument dump_file.
15296 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15298 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15299 * haifa-sched.c: Include output.h
15300 (schedule_insns, sched_init): Do not use dump argument.
15301 * mode-switching.c (optimize_mode_switching): Ditto.
15302 * modulo-sched.c (stats_file): Removed.
15303 (print_node_sched_params): Do not call argument dump_file.
15304 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15305 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15307 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15309 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15310 rtl_loop_init, rtl_loop_done): Ditto.
15311 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15312 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15314 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15315 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15316 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15317 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15318 * emit-rtl.c (renumber_insns): Ditto.
15319 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15320 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15321 * regclass.c (regclass): Ditto.
15322 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15323 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15324 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15325 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15327 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15328 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15330 * gcse.c (gcse_file, debug_stderr): Removed.
15331 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15332 rest_of_handle_gcse): Do not use dump argument.
15333 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15334 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15335 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15336 compute_code_hoist_vbeinout, compute_code_hoist_data,
15337 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15338 compute_store_table, build_store_vectors, insert_insn_start_bb,
15339 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15340 store_motion): Use dump_file instead of gcse_file.
15341 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15342 * profile.c (profile_dump_file): Removed.
15343 (branch_prob): Use dump_file instead of profile_dump_file.
15344 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15346 * tree-ssa-copy.c (dump_copy_of): Ditto.
15347 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15348 dump file to life_analysis.
15349 * bt-load.c (branch_target_load_optimize): Ditto.
15350 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15352 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15353 regclass, dbr_schedule): Declaration changed.
15354 * sched-int.h (sched_init): Declaration changed.
15355 * tree-profile.c (tree_profile_dump_file): Removed.
15356 (tree_profile_hooks): Removed profile_dump_file hook.
15357 * rtl-profile (rtl_profile_dump_file): Removed.
15358 (rtl_profile_hooks): emoved profile_dump_file hook.
15359 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15361 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15362 * tree-cfg.c (build_tree_cfg): Ditto.
15363 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15364 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15365 Declaration changed.
15366 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15367 life_analysis and schedule_insns.
15368 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15370 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15372 * config/mips/mips.c (mips_reorg): Ditto.
15373 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15376 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15378 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15379 (s390_mangle_fundamental_type): New.
15380 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15383 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15384 (alpha_mangle_fundamental_type): New.
15385 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15388 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15390 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15392 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15393 (sparc_mangle_fundamental_type): New.
15395 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15397 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15398 (s390x-*-linux*): Likewise.
15399 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15400 * config/s390/t-linux: New file.
15402 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15404 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15405 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15407 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15409 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15410 (ANTIC_SAFE_LOADS): New macro.
15411 (find_or_generate_expression): Add prototype.
15412 (set_contains_value): Allow null set for sake of not always having
15413 to allocate ANTIC_SAFE_LOADS.
15414 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15415 Allow COMPONENT_REF too.
15416 (valid_in_set): Allow COMPONENT_REF.
15417 Check ANTIC_SAFE_LOADS too.
15418 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15419 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15421 (can_PRE_operation): Add COMPONENT_REF.
15422 (create_component_ref_by_pieces): New function.
15423 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15424 (insert_aux): Move AGGREGATE_TYPE_P check here.
15425 (compute_avail): Set bb local stmt uids.
15426 (pass_pre): Use TODO_update_ssa_only_virtuals.
15428 2006-02-06 Ben Elliston <bje@au.ibm.com>
15430 * configure.ac: Unconditionally disable decimal float by default.
15431 * configure: Regenerate.
15433 2006-02-06 Ben Elliston <bje@au.ibm.com>
15435 * read-rtl.c (read_name): Terminate reading on EOF.
15437 2006-02-06 Ben Elliston <bje@au.ibm.com>
15439 * dfp.c (decimal_real_arithmetic): Change second argument type
15440 from int to enum tree_code. Do not always return true, but now
15441 return result of any call to decimal_do helper functions.
15442 * dfp.h (decimal_real_arithmetic): Update prototype.
15444 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15446 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15448 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15451 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15454 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15456 * tree-vrp.c (cfg_loops): Removed.
15457 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15458 Use current_loops instead of cfg_loops. Pass flags to
15459 loop_optimizer_init.
15460 * cfgloopmanip.c (fix_loop_structure): Update only available
15462 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15463 loop_optimizer_init.
15464 * modulo-sched.c (build_loops_structure): Removed.
15465 (sms_schedule): Use loop_optimizer_init.
15466 * loop-init.c (loop_optimizer_init): Use flags to determine
15467 which properties of loops to prepare.
15468 (rtl_loop_init): Pass flags to loop_optimizer_init.
15469 * tree-ssa-sink.c (execute_sink_code): Ditto.
15470 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15471 * tree-ssa-pre.c (init_pre): Ditto.
15472 * cfgloop.h (LOOPS_NORMAL): New.
15473 (loop_optimizer_init): Declaration changed.
15475 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15477 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15478 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15480 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15482 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15484 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15485 * pa/t-pa64: Delete quadlib.c rule.
15486 * pa/x-ada: Revert last change.
15487 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15489 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15491 PR rtl-optimization/26087
15492 * rtlanal.c (canonicalize_condition): Do not cross basic block
15495 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15498 * config/ia64/ia64.c: Include debug.h.
15499 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15500 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15501 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15502 (process_epilogue, process_set, process_for_unwind_directive):
15503 Output unwind info only if requested. Add CFA info if requested.
15504 Add new arguments as needed. Adjust callers.
15505 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15507 (DWARF2_FRAME_INFO): Define to zero.
15508 * config/ia64/unwind-ia64.c: Remove code that compensated for
15509 the CFA offset error fixed above.
15510 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15511 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15512 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15513 -funwind-tables and -fexceptions to enable frame info.
15514 (dwarf2out_frame_init): Define initial CFA even if
15515 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15516 DWARF2_UNWIND_INFO is nonzero, not just defined.
15517 (dwarf2out_frame_finish): Output non-EH call frame info only
15518 if DWARF2_FRAME_INFO is nonzero.
15519 (convert_cfa_to_loc_list,
15520 compute_frame_pointer_to_cfa_displacement): Define even if
15521 unwind info is not supported.
15522 (gen_subprogram_die): Use the above unconditionally. Remove
15523 legacy alternate code.
15524 * toplev.c (compile_file): Compile in call to
15525 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15526 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15528 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15529 Jakub Jelinek <jakub@redhat.com>
15531 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15532 IBM extended float format long double as "g" on powerpc*-linux.
15534 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15537 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15538 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15540 2006-02-03 Jason Merrill <jason@redhat.com>
15543 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15545 PR middle-end/25977
15546 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15547 on the return slot if it's an NRV.
15549 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15551 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15552 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15553 rewrite_use): Do not handle USE_OUTER.
15554 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15555 add_iv_outer_candidates, may_replace_final_value,
15556 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15557 (find_interesting_uses_op): Functionality of
15558 find_interesting_uses_outer_or_nonlin moved here.
15559 (find_interesting_uses_outside): Use find_interesting_uses_op.
15561 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15564 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15566 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15567 Ulrich Weigand <uweigand@de.ibm.com>
15570 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15571 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15572 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15573 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15575 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15576 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15577 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15578 Define secondary reloads for TFmode moves.
15579 (constant_modes): Add TFmode.
15580 (NR_C_MODES): Set to 8.
15581 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15583 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15584 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15585 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15586 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15587 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15588 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15589 (FPR mode macro): Add TFmode.
15590 (DSF mode macro): New.
15591 (<de>, <dee> mode attributes): Removed.
15592 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15593 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15594 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15595 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15596 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15597 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15598 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15599 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15600 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15601 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15602 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15603 "*negabs<mode>2", "sqrt<mode>2"):
15604 Changed <de> to <xde>. R constraint replaced by <Rf>.
15605 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15607 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15608 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15609 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15611 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15612 "extenddftf2", "extendsftf2"): New expanders.
15613 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15614 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15615 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15616 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15618 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15619 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15620 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15621 __floatditf): Add a GCC_4.1.0 symbol version tag.
15622 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15625 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15628 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15629 Use targetm.binds_local_p instead of TREE_PUBLIC.
15631 2006-02-02 Roger Sayle <roger@eyesopen.com>
15633 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15634 on INTEGER_TYPEs to indicate that it denotes a character type.
15635 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15636 signed_char_type_node, unsigned_char_type_node and char_type_node.
15637 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15638 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15639 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15641 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15642 Daniel Berlin <dberlin@dberlin.org>
15644 * tree-tailcall.c (arg_needs_copy_p): New function.
15645 (eliminate_tail_call): Use arg_needs_copy_p.
15646 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15647 (add_virtual_phis): New function.
15649 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15651 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15652 #ignore instead of #scratch for %g7 .register directive.
15654 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15656 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15659 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15661 * flow.c (calculate_global_regs_live): Assert that there aren't any
15664 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15666 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15667 what its name says.
15668 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15669 bsi_after_labels iterator.
15670 * tree-if-conv.c (find_phi_replacement_condition,
15671 replace_phi_with_cond_modify_expr): Likewise.
15672 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15673 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15675 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15677 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15679 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15682 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15683 array after growing it.
15685 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15687 PR middle-end/24901
15688 * fold-const.c (fold_checksum_tree): Change type of buf.
15690 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15692 * reload.c (push_secondary_reload): Initialize t_icode.
15694 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15696 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15697 -msoft-float -mlong-double-128 only issue a warning, but don't
15698 swich to DFmode long double.
15700 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15702 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15703 has a constant equivalent, iterate over equivalents for arg0,
15704 calling simplify_relational_operation and if there's a result
15705 cheaper than X, apply fold_rtx and return the result.
15707 2006-02-01 Jan Hubicka <jh@suse.cz>
15709 * opts.c (no_unit_at_a_time_default): New global variable.
15710 (decode_options): Use it.
15711 * opts.h (no_unit_at_a_time_default): Declare.
15713 2006-02-01 Paul Brook <paul@codesourcery.com>
15715 * function.c (assign_parm_setup_reg): Use function argument promotion
15717 * expr.c (expand_expr_real_1): Use function argument promotion rules
15720 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15722 * gcc.c (process_command): Change j to 'unsigned int'.
15724 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15726 PR middle-end/26001
15727 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15728 Use the corrected index for the character
15729 out of the string constant.
15731 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15733 * mode-switching.c (optimize_mode_switching): Fix size
15734 allocated for bb_info[n_entities].
15736 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15738 * gcc.c (main): Correct type that is allocated for
15739 explicit_link_files.
15741 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15743 * config/s390/s390.c (init_alignment_context): Set
15744 ALIAS_SET_MEMORY_BARRIER on the MEM.
15745 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15747 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15749 PR middle-end/25933
15750 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15752 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15755 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15757 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15758 * regrename.c: Ditto.
15759 * tree-ssa-loop-im.c: Ditto.
15760 * tree-dump.c: Ditto.
15761 * tree-complex.c: Ditto.
15762 * genrecog.c: Ditto.
15763 * tree-ssa-threadupdate.c: Ditto.
15765 * java/class.c: Ditto.
15766 * java/jcf-parse.c: Ditto.
15767 * java/resource.c: Ditto.
15768 * java/except.c: Ditto.
15769 * java/jvspec.c: Ditto.
15770 * java/jcf-write.c: Ditto.
15771 * java/jcf-path.c: Ditto.
15772 * java/gjavah.c: Ditto.
15773 * java/zextract.c: Ditto.
15774 * java/jcf-io.c: Ditto.
15775 * java/jcf.h: Ditto.
15776 * java/buffer.c: Ditto.
15777 * java/lang.c: Ditto.
15778 * java/parse-scan.y: Ditto.
15779 * java/lex.c: Ditto.
15780 * java/lex.h: Ditto.
15781 * cfgloopmanip.c: Ditto.
15782 * postreload-gcse.c: Ditto.
15783 * tree-ssa-loop-manip.c: Ditto.
15784 * postreload.c: Ditto.
15785 * tree-ssa-loop-ch.c: Ditto.
15788 * cppspec.c: Ditto.
15789 * diagnostic.c: Ditto.
15791 * genoutput.c: Ditto.
15793 * cfghooks.c: Ditto.
15794 * cfgloopanal.c: Ditto.
15795 * objc/objc-act.c: Ditto.
15797 * genextract.c: Ditto.
15798 * genautomata.c: Ditto.
15799 * pretty-print.c: Ditto.
15800 * genemit.c: Ditto.
15801 * cgraphunit.c: Ditto.
15803 * df-scan.c: Ditto.
15804 * haifa-sched.c: Ditto.
15805 * dominance.c: Ditto.
15807 * tree-ssa-loop-ivopts.c: Ditto.
15808 * df-core.c: Ditto.
15809 * mode-switching.c: Ditto.
15810 * modulo-sched.c: Ditto.
15812 * ipa-pure-const.c: Ditto.
15814 * fix-header.c: Ditto.
15816 * tree-stdarg.c: Ditto.
15817 * ipa-utils.c: Ditto.
15818 * loop-init.c: Ditto.
15819 * ipa-inline.c: Ditto.
15820 * cfganal.c: Ditto.
15822 * alloc-pool.c: Ditto.
15823 * dwarf2out.c: Ditto.
15825 * genattrtab.c: Ditto.
15826 * tree-ssa-loop-ivcanon.c: Ditto.
15827 * predict.c: Ditto.
15828 * timevar.c: Ditto.
15830 * fortran/gfortranspec.c: Ditto.
15831 * regmove.c: Ditto.
15832 * local-alloc.c: Ditto.
15833 * langhooks.c: Ditto.
15834 * function.c: Ditto.
15835 * tree-vectorizer.c: Ditto.
15837 * ipa-type-escape.c: Ditto.
15839 * tree-if-conv.c: Ditto.
15840 * profile.c: Ditto.
15842 * tree-data-ref.c: Ditto.
15843 * loop-unroll.c: Ditto.
15844 * treelang/treetree.c: Ditto.
15846 * bt-load.c: Ditto.
15847 * ggc-common.c: Ditto.
15849 * coverage.c: Ditto.
15851 * tree-cfgcleanup.c: Ditto.
15852 * tree-ssa-pre.c: Ditto.
15853 * cfgcleanup.c: Ditto.
15854 * loop-invariant.c: Ditto.
15855 * loop-iv.c: Ditto.
15856 * ipa-prop.c: Ditto.
15857 * print-tree.c: Ditto.
15858 * conflict.c: Ditto.
15859 * ggc-page.c: Ditto.
15860 * sched-deps.c: Ditto.
15861 * regclass.c: Ditto.
15862 * tree-object-size.c: Ditto.
15863 * combine.c: Ditto.
15864 * bb-reorder.c: Ditto.
15865 * resource.c: Ditto.
15866 * var-tracking.c: Ditto.
15867 * cfgloop.c: Ditto.
15868 * df-problems.c: Ditto.
15869 * reg-stack.c: Ditto.
15871 * gccspec.c: Ditto.
15872 * sched-rgn.c: Ditto.
15873 * tree-ssa-structalias.c: Ditto.
15874 * tree-ssa-reassoc.c: Ditto.
15875 * config/darwin-c.c: Ditto.
15876 * config/darwin.c: Ditto.
15877 * config/arm/arm.c: Ditto.
15879 * collect2.c: Ditto.
15880 * reload1.c: Ditto.
15882 2006-01-31 Nicolas Pitre <nico@cam.org>
15884 * arm.md (smaxsi3): Make aware of smax_m1.
15887 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15889 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15891 2006-01-31 Richard Guenther <rguenther@suse.de>
15893 * doc/invoke.texi (-msselibm): Document.
15894 * target.h (expand_library_builtin): New target hook.
15895 * builtins.c (expand_builtin): Use expand_library_builtin.
15896 (default_expand_library_builtin): New function.
15897 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15898 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15899 (link_gcc_math_spec): Declare.
15900 (static_specs): Add link_gcc_math_spec.
15901 * expr.h (default_expand_library_builtin): Declare.
15902 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15903 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15904 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15905 * config/i386/i386.opt (msselibm): New target option.
15906 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15907 (ix86_init_sse_abi_builtins): New function.
15908 (ix86_expand_library_builtin): Likewise.
15909 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15910 (override_options): Handle error conditions wrt -msselibm.
15911 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15912 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15913 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15916 2006-01-31 Richard Guenther <rguenther@suse.de>
15917 Paolo Bonzini <bonzini@gnu.org>
15919 * doc/install.texi (--disable-libgcc-math): Document.
15921 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15923 * expr.h (expand_normal): new inline function.
15924 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15925 * dojump.c: use it.
15926 * dwarf2out.c: use it.
15929 * expmed.c: use it.
15930 * except.c: use it.
15931 * config/sparc/sparc.c: use it.
15932 * config/i386/i386.c: use it.
15933 * config/rs6000/rs6000.c: use it.
15934 * config/arm/arm.c: use it.
15935 * config/mips/mips.c: use it.
15936 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15938 2006-01-30 Roger Sayle <roger@eyesopen.com>
15940 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15941 argv to the appropriate type.
15943 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15945 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15948 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15951 * config/s390/s390.c (struct machine_function): New flag
15952 decomposed_literal_pool_addresses_ok_p.
15953 (s390_reorg): Set it before final stage of literal pool transforms.
15954 (s390_decompose_address): Only accept displacements of the form
15955 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15957 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15959 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15960 the comparison routine return.
15962 2006-01-30 Michael Matz <matz@suse.de>
15964 * global.c (find_reg): Only evict for global regs.
15965 Take n_refs into account and dump more info.
15967 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15970 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15971 (pragma_trap, pragma_nosave_low_regs): Likewise.
15972 (current_function_anonymous_args): Likewise.
15973 (sh_deferred_function_attributes): New variable.
15974 (sh_deferred_function_attributes_tail): Likewise.
15975 (print_operand): For '@', look up trap_exit attribute.
15976 (calc_live_regs): Look up trapa_handler attribute. For trapa
15977 handlers, save/restore fpscr, but don't do any other
15978 interrupt-specific saves.
15979 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15980 Fix check for partially saved registers to check for SHmedia.
15981 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15982 (sh_output_function_epilogue): Don't clear any of the removed
15984 (sh_insert_attributes): Don't check pragma_interrupt.
15985 Insert deferred attributes. Check that interrupt attribute is
15986 present for other attributes that require its presence.
15987 (sh_attribute_table): Add new attributes trapa_handler and
15989 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15990 Don't check for pragma_interrupt. Don't store argument.
15991 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15992 (sh_deferred_function_attributes): Declare.
15993 (sh_deferred_function_attributes_tail): Likewise.
15994 * sh.md (sp_switch_1): Add operand. Change generator caller.
15995 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15996 (*return_i): Don't use when trap_exit attribute is in effect.
15997 (*return_trapa): New insn pattern.
15998 * sh-c.c: New file.
15999 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16000 setting c_target_objs and cxx_target_objs.
16001 * t-sh: Add rule for sh-c.o.
16003 2006-01-30 Richard Guenther <rguenther@suse.de>
16006 * gimplify.c (gimplify_target_expr): Handle easy cases
16007 without creating a temporary.
16009 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16011 * vec.h (safe_grow): Remove duplicated line.
16013 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16016 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16017 (expand_omp): ... here.
16018 (expand_omp_parallel): Only remove barriers for combined
16019 parallel+workshare constructs.
16021 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16025 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16026 * tree.c (build_qualified_type): Chain the new type to the original
16027 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16028 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16029 (build_pointer_type_for_mode): Only return unqualified types.
16030 (build_reference_type_for_mode): Likewise.
16032 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16034 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16035 * Makefile.in (CXX_COMPAT_WARN): Define.
16036 * configure: Regenerate.
16038 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16041 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16044 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16046 * toplev.c: Fix thinko.
16048 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16049 Marcin Dalecki <martin@dalecki.de>
16051 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16052 (push_srcloc): Use XNEW.
16053 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16055 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16057 * df-core.c (df_set_blocks): Deleted all variable.
16059 2006-01-28 Ian Lance Taylor <ian@airs.com>
16061 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16062 cgraph_output_pending_asms.
16064 2006-01-28 Zack Weinberg <zackw@panix.com>
16066 * c.opt: Add -W(no-)overlength-strings.
16067 * doc/invoke.texi: Document it.
16068 * c-opts.c (c_common_handle_option): -pedantic implies
16069 -Woverlength-strings, if not explicitly disabled already.
16070 (c_common_post_options): -Woverlength-strings defaults to off, and
16071 is always off for C++.
16072 * c-common.c (fix_string_type): Issue warning about strings longer
16073 than is portable only if warn_overlength_strings. Rearrange code
16074 a little for clarity.
16075 * configure.in: Check for -Wno-overlength-strings as well before
16076 enabling -pedantic in stage 1.
16077 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16078 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16080 * genconditions.c (write_header, write_one_condition)
16081 (write_conditions, write_writer): Consolidate very long strings
16082 that were broken up to fit in C89 portable limit. Don't use
16083 printf when fputs will do.
16085 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16087 * combine.c (simplify_comparison <AND>): Check
16088 TRULY_NOOP_TRUNCATION before start using a subreg.
16090 * config/mips/mips.md (*branch_zero<mode>,
16091 *branch_zero<mode>_inverted, *branch_equality<mode>,
16092 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16093 Remove mode check from comparisons.
16095 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16097 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16099 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16101 * expmed.c (const_mult_add_overflow_p): Remove.
16102 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16104 * recog.c (validate_replace_rtx_subexp): Remove.
16105 * recog.h: Remove the prototype for
16106 validate_replace_rtx_subexp.
16108 * integrate.h: Remove the prototype for
16109 copy_decl_for_inlining.
16110 * rtl.h: Remove the prototype for mark_constant_function.
16111 * tree-vectorizer.h: Remove the prototype for
16112 vect_strip_conversion.
16114 * modulo-sched.c (create_partial_schedule,
16115 free_partial_schedule, reset_partial_schedule): Make them
16118 * hooks.c (hook_bool_rtx_int_false): Remove.
16119 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16121 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16123 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16124 and -mlong-double-128 are incompatible.
16125 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16126 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16127 (TARGET_LIBGCC2_CFLAGS): Define.
16128 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16129 (TARGET_LIBGCC2_CFLAGS): Same.
16130 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16132 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16135 * c-typeck.c (build_binary_op): Perform implicit casts of
16136 operands before shortening them.
16138 * cfgloopmanip.c (split_loop_bb): Remove.
16139 * cfgloop.h: Remove the prototype for split_loop_bb.
16141 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16142 * cfgloop.h: Remove the prototype for
16143 flow_loop_outside_edge_p.
16145 * emit-rtl.c (init_virtual_regs): Make it static.
16146 * function.h: Remove the prototype for init_virtual_regs.
16148 * recog.c (peephole2_optimize): Make it static.
16149 * recog.h: Remove the prototype for peephole2_optimize.
16151 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16153 * df-scan.c (df_record_entry_block_defs): Check if
16154 INCOMING_RETURN_ADDR_RTX is defined.
16156 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16157 Kenneth Zadeck <zadeck@naturalbridge.com>
16159 PR rtl-optimization/24762
16160 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16161 * targhooks.c (hook_void_bitmap): New hook prototype.
16162 * targhoohs.h (hook_void_bitmap): Ditto.
16163 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16164 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16165 * target.h (live_on_entry): New function pointer.
16166 * df-scan.c (df_all_hard_regs): Removed.
16167 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16168 (df_scan_free_internal): Added df->entry_block_defs.
16169 (df_scan_alloc): Ditto.
16170 (df_scan_dump): Ditto.
16171 (df_uses_record): Plumbed flag field properly thru calls.
16172 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16173 This part fixes PR24762.
16174 (df_bb_refs_record): Added code to make the frame and arg
16175 pointers live in EH blocks.
16176 (df_refs_record): Added call to df_record_entry_block_defs.
16177 (df_record_entry_block_defs): New function.
16178 * df-core.c: Added comments to describe new artifical defs.
16179 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16180 (entry_block_defs): New field in struct df.
16181 (df_all_hard_regs): Deleted.
16182 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16183 * df-problems.c (df_ru_bb_local_compute_process_def):
16184 Added code to handle artifical defs in the entry to a function.
16185 (df_ru_bb_local_compute): Ditto.
16186 (df_rd_bb_local_compute_process_def): Ditto.
16187 (df_rd_bb_local_compute): Ditto.
16188 (df_lr_bb_local_compute): Ditto.
16189 (df_ur_bb_local_compute): Ditto.
16190 (df_urec_bb_local_compute): Ditto.
16191 (df_chain_create_bb): Ditto.
16192 (df_ur_local_finalize): Removed entry.
16193 (df_urec_init): Ditto.
16194 (df_urec_local_finalize): Ditto.
16195 (df_ri_bb_compute): Added detection of last use of pseudos.
16196 * Makefile.in (df-scan.o): Updated dependencies.
16197 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16198 * config/mips/mips.c (mips_set_live_on_entry): Added.
16199 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16201 * dce.c (marked_insn_p): Added code to handle artifical defs.
16203 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16205 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16207 (_mm_cvtsi128_si64): Likewise.
16208 (_mm_cvtsd_si64): Likewise.
16209 (_mm_cvttsd_si64): Likewise.
16210 (_mm_cvtsi64_sd): Likewise.
16211 (_mm_cvtsi64_si128): Likewise.
16212 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16213 (_mm_cvtsi64_m64): Likewise.
16214 (_m_to_int64): Likewise.
16215 (_mm_cvtm64_si64): Likewise.
16216 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16217 (_mm_cvttss_si64): Likewise.
16218 (_mm_cvtsi64_ss): Likewise.
16219 (_mm_cvtss_f32): Likewise.
16221 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16223 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16224 for pragma redefine_extname.
16226 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16229 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16230 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16231 -mno-minimal-toc to previous content.
16232 (bispecs): Remove goal.
16233 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16234 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16235 compatibility aliases on powerpc-*-*gnu*.
16236 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16237 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16238 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16239 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16240 (ldblspecs): New goal.
16241 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16242 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16244 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16245 L_sf_to_tf or L_df_to_tf is defined.
16247 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16248 Alan Modra <amodra@bigpond.net.au>
16251 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16252 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16253 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16254 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16255 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16256 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16257 (rs6000_override_options): Initialize rs6000_ieeequad.
16258 Initialize TFmode format to ibm_extended_format if not
16260 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16262 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16263 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16264 (function_arg_advance): IBM long double passed in two FPRs, not
16266 (function_arg): IBM long double passed in FPRs.
16267 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16268 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16269 Only multireg GPR aligned.
16270 (rs6000_init_libfuncs): Enable IBM long double functions if not
16272 (rs6000_generate_compare): Use IBM long double compare if not
16274 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16275 (TARGET_IEEEQUAD): Define.
16276 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16277 not TARGET_IEEEQUAD.
16278 * config/rs6000/rs6000.md: Enable TFmode patterns if
16280 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16281 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16282 and -mlong-double-128 are incompatible.
16283 * doc/invoke.texi (-mabi): Collect options together. Add
16284 ibmlongdouble and ieeelongdouble.
16286 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16288 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16290 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16291 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16292 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16293 * rtl.h (rtunion_def): Remove rt_ptr.
16295 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16296 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16297 * config/i386/winnt.c (i386_pe_mark_dllexport)
16298 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16300 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16302 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16304 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16308 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16309 pthread_key_delete. From John David Anglin. gthrw-ify
16310 pthread_getunique_np only if it it's not a macro. Delete
16312 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16313 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16314 __gthread_objc_condition_signal, __gthread_key_delete): Add
16315 "__attribute__ ((__unused__))" to unused arguments.
16316 (__gthread_recursive_mutex_init_function): Add missing return.
16317 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16318 gthr-posix95.h: Use macro-based approach for name redirection
16319 on targets missing weakref.
16321 2006-01-26 Zack Weinberg <zackw@panix.com>
16323 * genconditions.c (write_header): In generated code, #ifdef out
16324 all includes and fake declarations, except includes of bconfig.h
16325 and system.h, unless GCC_VERSION >= 3001. Do not include
16326 gensupport.h in any case.
16327 (write_conditions): Generate a definition of struct c_test. Add
16328 a comment to the generated #endif.
16329 (write_one_condition): Escape backslashes in string too.
16330 (write_writer): Generated code must escape backslashes and quote
16331 marks (but not newlines) in the strings it writes.
16332 * Makefile.in (build/gencondmd.o): Update dependencies.
16334 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16337 * Makefile.in (insn-automata.o): Add header file dependencies.
16338 * genautomata.c: Add includes.
16340 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16343 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16345 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16347 * configure.ac: Expect target tools paths to be passed from the toplevel
16348 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16350 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16352 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16355 * c.opt (Wpointer-sign): Init to -1.
16356 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16357 OPT_pedantic, to 0 otherwise.
16358 * doc/invoke.texi: Update.
16360 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16362 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16363 constants provided by 80387 instructions in the destination mode.
16365 2006-01-26 Richard Guenther <rguenther@suse.de>
16366 Andrew Pinski <pinskia@physics.uc.edu>
16369 partial PR tree-opt/17064
16370 * tree-ssa-structalias.c (intra_create_variable_infos):
16371 Create heap variables for incoming parameters if
16372 flag_argument_noalias > 1.
16373 (find_what_p_points_to): Look through default defs of
16376 2006-01-26 Jeff Law <law@redhat.com>
16379 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16380 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16381 within the VR_RANGE, use the VR_RANGE as the result, not the
16383 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16384 bounds for the type.
16386 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16388 * tree-ssa-alias.c (maybe_create_global_var): Change
16389 subvar walking to an assertion that we don't have subvar'd variables.
16391 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16394 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16395 Use a new variable, inner. PARM_DECLs are always non-weak.
16397 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16399 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16400 --disable-checking.
16402 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16404 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16406 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16408 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16409 (smax_insn, smin_insn, smax_0, smin_0): New.
16411 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16414 * config/cris/cris.c (cris_order_for_addsi3): New function.
16415 * config/cris/cris-protos.h: Prototype it.
16416 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16417 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16418 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16419 (split for "op.S1 [rx=rx+i],ry (swapped)")
16420 (split for "op(s|u).S1 [rx=rx+i],ry")
16421 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16422 Apply cris_order_for_addsi3 when generating addsi3 insns.
16424 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16426 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16427 (TREE_BLOCK): Add call to EXPR_CHECK.
16429 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16432 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16433 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16434 (dump_omp_clauses): ... here.
16435 (dump_generic_node): Handle OMP_CLAUSE.
16436 * tree.c (omp_clause_num_ops): New.
16437 (omp_clause_code_name): New.
16438 (tree_code_size): Handle OMP_CLAUSE.
16439 (tree_size): Likewise.
16440 (make_node): Document handling of OMP_CLAUSE.
16441 (tree_node_structure): Handle OMP_CLAUSE.
16442 (omp_clause_check_failed): New.
16443 (omp_clause_range_check_failed): New.
16444 (omp_clause_operand_check_failed): New.
16445 (build_omp_clause): New.
16446 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16447 * tree.h (enum omp_clause_code): Declare.
16448 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16449 (OMP_CLAUSE_RANGE_CHECK): Define.
16450 (OMP_CLAUSE_ELT_CHECK): Define.
16451 (omp_clause_check_failed): Declare.
16452 (omp_clause_operand_check_failed): Declare.
16453 (omp_clause_range_check_failed): Declare.
16454 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16455 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16456 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16457 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16458 (OMP_CLAUSE_IF_EXPR): Likewise.
16459 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16460 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16461 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16462 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16463 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16464 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16465 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16466 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16467 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16468 (OMP_CLAUSE_CODE): Define.
16469 (OMP_CLAUSE_SET_CODE): Define.
16470 (OMP_CLAUSE_CODE): Define.
16471 (OMP_CLAUSE_OPERAND): Define.
16472 (struct tree_omp_clause): Declare.
16473 (union tree_node): Add field 'omp_clause'.
16474 * treestruct.def (TS_OMP_CLAUSE): Define.
16475 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16476 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16477 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16478 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16479 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16480 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16481 (OMP_CLAUSE): Define.
16482 * print-tree.c (print_node): Handle OMP_CLAUSE.
16483 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16484 * c-typeck.c: Likewise.
16485 * gimplify.c: Likewise.
16486 * c-omp.c: Likewise.
16487 * tree-nested.c: Likewise.
16488 * tree-inline.c: Likewise.
16489 * c-parser.c: Likewise.
16490 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16493 2006-01-25 Roger Sayle <roger@eyesopen.com>
16495 PR rtl-optimization/25703
16496 * combine.c (try_combine): Handle zero_extract and strict_low_part
16497 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16499 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16501 * global.c: Fix comment typos.
16503 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16506 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16507 Use output_addr_const instead of assemble_name.
16509 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16511 * Makefile.in (sched-vis.o): Update dependencies.
16512 * haifa-sched.c (sched_finish): Clear current_sched_info.
16513 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16514 (dump_flow_info): Call it.
16515 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16517 * basic-block.h (dump_bb_info): Declare.
16518 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16519 option, and apply options only for dump files whose TDF_RTL,
16520 TDF_TREE, or TDF_IPA bits match.
16521 * rtl.h: Declare new functions exported from sched-vis.c.
16522 * sched-vis.c: Enable also if scheduling is not used.
16523 (print_value): Print the mode of registers if not inside scheduling.
16524 (print_insn): Make it work outside the scheduler. Beautify the output
16526 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16528 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16530 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16531 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16532 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16533 depending on the value of CONSTANT_POOL_ADDRESS_P.
16534 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16536 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16537 rather than SYMBOL_REF_DECL.
16538 (rtx_constant_pool): Remove const_rtx_sym_htab.
16539 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16540 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16541 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16542 Remove handling of const_rtx_sym_htab.
16543 (find_pool_constant): Delete.
16544 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16545 rather than find_pool_constant.
16546 (get_pool_constant_for_function): Delete.
16547 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16548 find_pool_constant.
16549 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16550 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16551 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16552 (SYMBOL_REF_CONSTANT): New macro.
16553 (get_pool_constant_for_function): Delete.
16554 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16555 rather than SYMBOL_REF_DECL.
16556 (i386_pe_mark_dllimport): Likewise.
16557 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16558 rather than SYMBOL_REF_DECL.
16559 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16560 (machopic_indirect_call_target): Likewise.
16562 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16564 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16566 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16568 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16570 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16572 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16574 2006-01-24 David Daney <ddaney@avtrex.com>
16577 * configure.ac (enable_tls): New enable option.
16578 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16579 * configure: Regenerate.
16580 * doc/install.texi (--enable-tls): Document new option.
16581 (--disable-tls): Ditto.
16583 2006-01-24 Richard Henderson <rth@redehat.com>
16585 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16586 * alias.c (true_dependence): Respect it.
16587 (canon_true_dependence, write_dependence_p): Likewise.
16588 * builtins.c (get_builtin_sync_mem): Set it.
16590 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16592 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16595 2006-01-24 DJ Delorie <dj@redhat.com>
16597 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16598 for storing constants in single-bit bitfields.
16600 2006-01-25 Ben Elliston <bje@au.ibm.com>
16602 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16604 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16607 * tree-ssa-pre.c (phi_translate): Return NULL
16608 for AGGREGATE_TYPE's.
16610 2006-01-24 Zack Weinberg <zackw@panix.com>
16612 * genautomata.c (process_state_for_insn_equiv_partition):
16613 Use xcalloc for insn_arcs_array.
16614 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16615 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16617 2006-01-24 Richard Henderson <rth@redhat.com>
16619 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16620 update all callers.
16622 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16624 PR rtl-optimization/25890
16625 PR rtl-optimization/25905
16626 * combine.c (expand_compound_operation, expand_field_assignment):
16627 Fail if the bitfield's final position is out of bounds.
16629 2006-01-24 Ian Lance Taylor <ian@airs.com>
16631 PR middle-end/25930
16632 * cgraphunit.c (cgraph_output_in_order): Don't clear
16633 cgraph_asm_nodes until after asm strings have been output.
16635 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16637 * fix-header.c (read_scan_file): Add new parameter imultilib when
16638 calling register_include_chains.
16640 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16642 * omp-low.c: Update documentation.
16644 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16645 Daniel Berlin <dberlin@dberlin.org>
16649 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16650 return from the function.
16652 2006-01-22 Zack Weinberg <zackw@panix.com>
16654 * rtl.def (match_code): Add second argument.
16655 * genpreds.c (write_extract_subexp): New function.
16656 (write_match_code): Add path argument. Use write_extract_subexp.
16657 (write_predicate_expr): Pass path to write_match_code.
16658 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16659 not perform a mode test.
16660 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16661 a subexpression does not constrain the top-level code set.
16662 * read-rtl.c (read_rtx_variadic): New function.
16663 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16664 * doc/md.texi: Document new notation.
16665 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16666 (cmpsi_operand): ... here, using new notation.
16668 2006-01-22 Zack Weinberg <zackw@panix.com>
16670 * varray.c: Remove GENERATOR_FILE #ifdefs.
16672 2006-01-22 Zack Weinberg <zackw@panix.com>
16674 * genautomata.c (output_reserved_units_table): Emit nothing if
16675 description->query_units_num is zero. Remove extra blank line.
16676 (output_cpu_unit_reservation_p): Short circuit
16677 if description->query_units_num is zero.
16679 2006-01-22 Zack Weinberg <zackw@panix.com>
16681 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16682 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16683 nor any of the random handful of variables that used to be necessary
16684 when this program was linked with rtlanal.o. Prune set of forward
16685 function declarations.
16686 (struct attr_desc): Remove static_p field.
16687 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16688 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16689 (attr_string): Do not read the character one past the length of
16691 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16692 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16693 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16694 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16695 (make_automaton_attrs): New.
16696 (main): Do not call into genautomata. Call local gen_bypass
16697 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16698 Remove special case for insn_alts.
16699 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16700 varray.h (leftover from previous change). Prune set of forward
16701 function declarations. Remove state_alts fields from all
16702 structures. Remove state_alts_table from struct automaton.
16703 Make everything except main static. Do not maintain num_dfa_decls.
16704 Do not maintain state_alts fields of various structures.
16705 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16706 (add_arc): Remove state_alts argument. All callers updated.
16707 (output_reserved_units_table): Emit #ifdef here...
16708 (output_tables): ...not here. Don't generate state_alts tables.
16709 (expand_automata): Don't generate attributes.
16710 (write_automata): Don't generate state_alts functions.
16711 (main): New function.
16712 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16713 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16714 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16715 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16716 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16717 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16718 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16719 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16721 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16722 * genattrtab.h: Delete file.
16723 * Makefile.in (OBJS-common): Add insn-automata.o.
16724 (insn-automata.o): New rule.
16725 (simple_generated_c): Add insn-automata.c.
16726 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16727 (genprogmd): Add automata.
16728 (build/genattrtab): Needs no extra objects nor libraries.
16729 (build/genautomata): Needs build/vec.o and -lm.
16731 2006-01-22 Zack Weinberg <zackw@panix.com>
16733 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16734 (output_dfa_max_issue_rate, locked_states_num): Delete.
16735 (struct automaton): Add locked_states field.
16736 (output_dead_lock_vect): Save number of locked states in
16737 automaton->locked_states. If it is zero, don't print anything.
16738 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16739 (output_internal_dead_lock_func): Only test the dead_lock_vect
16740 for automata that have locked states.
16741 (output_statistics): Always print the number of locked states for
16742 each automaton. Calculate total number of locked states here.
16743 (write_automata): Don't call output_dfa_max_issue_rate.
16744 * genattrtab.c: Define length_unit_log as a const variable.
16745 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16746 max_insn_queue_index const.
16747 * final.c (length_unit_log): Declare const.
16748 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16750 2006-01-22 Zack Weinberg <zackw@panix.com>
16752 * genautomata.c: Include vec.h, not varray.h.
16753 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16754 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16755 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16756 VEC_* macros operating on appropriately typed vectors, or to
16757 malloced arrays when the size is known in advance. Const-ify
16758 many char* variables and function arguments. No functional changes.
16759 * Makefile.in (build/varray.o): Delete rule.
16760 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16761 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16763 2006-01-22 Zack Weinberg <zackw@panix.com>
16765 * gensupport.c: Define get_insn_name and record_insn_name here.
16766 (read_md_rtx): Call record_insn_name as appropriate.
16767 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16768 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16769 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16771 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16772 (BUILD_VARRAY): Delete.
16773 (genprognormal): Rename genprogmd. Fold in all programs from
16774 genprognoprint; also attrtab.
16775 (build/genattrtab): Just mention genautomata.o and varray.o.
16776 Reorganize a bit, add comments to make the categories clearer.
16778 2006-01-22 Zack Weinberg <zackw@panix.com>
16780 * genconditions.c (condition_table, add_condition): Delete.
16781 (write_conditions): Don't emit n_insn_conditions nor
16782 insn_elision_unavailable. Issue the gcc version #ifdef here,
16783 inside the table, with no #else clause ...
16784 (write_header): ...not here.
16785 (write_writer): New function.
16786 (main): Don't initialize condition_table. Use add_c_test.
16788 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16789 files on the command line.
16790 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16791 Return -1 if there is no entry in the table, don't abort.
16792 (add_c_test, traverse_c_tests): New functions.
16793 * gensupport.h (insn_elision_unavailable, insn_conditions)
16794 (n_insn_conditions): Delete declarations.
16795 (add_c_test, traverse_c_tests): Declare.
16796 * read-rtl.c: Include gensupport.h.
16797 (read_conditions): New function.
16798 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16799 (read_rtx_1): If we get EOF when we were looking for an initial
16800 open paren, return 0. Call read_conditions when appropriate.
16801 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16802 dummy-conditions.o. Eliminate references to insn-conditions.o,
16803 or change them to build/gencondmd.o, as appropriate. Remove
16804 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16805 from $(simple_generated_c). For all files remaining in those
16806 two lists, add insn-conditions.md to the generator command line.
16807 Give insn-constants.h/s-constants their own rules. Add rules
16808 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16809 (build/read-rtl.o): Depend on gensupport.h.
16810 (genprognormal): Include preds.
16811 (genprogearly): Rename genprognoprint; only difference is now that
16812 they don't link with $(BUILD_PRINT).
16813 * dummy-conditions.c: Delete.
16815 2006-01-22 Zack Weinberg <zackw@panix.com>
16817 * genextract.c: Don't include insn-config.h. Do include vec.h.
16818 Declare vectors of int, char, and locstr.
16819 (locstr): New typedef.
16820 (struct extraction): Make all array fields into bare pointers.
16821 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16822 (insn_code_number): Delete.
16823 (accum_extract): New struct.
16824 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16825 (gen_insn): Take insn_code_number as an argument. Use an
16826 accum_extract structure instead of loading data directly into
16827 a struct extraction, and having to know how big it might get.
16828 (walk_rtx): Operate entirely on an accum_extract structure.
16829 (print_path): Avoid unnecessary use of printf.
16830 (print_header): New function, split out of main. Distinguish
16831 more carefully between an unrecognizable insn and an insn that
16832 has the code number of a define_expand.
16833 (main): Pass insn_code_number to gen_insn. Call print_header
16834 only after parsing. Avoid unnecessary use of printf.
16835 * Makefile.in (build/vec.o): New rule.
16836 (build/genextract): Depend on build/vec.o.
16837 (build/genextract.o): Don't depend on insn-config.h.
16839 2006-01-22 Zack Weinberg <zackw@panix.com>
16841 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16842 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16843 practical. Eliminate per-generator-program link rules.
16845 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16847 PR middle-end/24437
16848 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16849 with a call expr to ...
16850 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16852 2006-01-23 Richard Guenther <rguenther@suse.de>
16854 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16855 before make_edge with conditional EDGE_TRUE_VALUE.
16857 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16858 Jan Hubicka <jh@suse.cz>
16859 Richard Guenther <rguenther@suse.de>
16861 PR rtl-optimization/25654
16862 * cfgexpand.c (aggregate_contains_union_type): New function.
16863 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16864 for structure variables that contain a union type.
16866 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16868 * gengtype.c (new_structure): Return the structure.
16869 (create_option): Add an extra "next" argument.
16870 (create_field): New function.
16871 (adjust_field_rtx_def): Use create_option and create_field.
16872 Remove a now-unnecessary call to find_structure.
16873 (adjust_field_tree_def): Likewise.
16874 (note_yacc_type): Remove an unnecessary call to find_structure.
16875 * gengtype.h (new_structure): Return the structure.
16876 (create_option): Add an extra argument.
16877 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16878 (option): Adjust calls to create_option.
16880 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16882 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16884 2006-01-22 Paul Brook <paul@codesourcery.com>
16885 Peter Barada <peter@the-baradas.com>
16887 * config/m68k/m68k.md: Add Coldfire FPU support.
16888 Define FP mode macro and associated attributes.
16889 Use it for float mode patterns.
16890 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16891 (LIBCALL_VALUE): Use m68k_libcall_value.
16892 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16893 (m68k_function_value): Ditto.
16894 (emit_move_sequence): Ditto.
16895 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16896 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16897 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16898 (MULTILIB_EXCEPTIONS): Ditto.
16899 * config/m68k/m68k.opt: Add mcfv4e.
16900 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16901 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16902 (m68k_output_function_prologue): Save ColdFire FPU registers.
16903 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16904 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16905 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16906 ColdFire FPU registers.
16907 (m68k_libcall_value, m68k_function_value): New functions.
16908 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16909 (LIBCALL_VALUE): Use m68k_libcall_value.
16910 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16911 (MASK_COLDFIRE): Add MASK_CFV4E.
16912 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16913 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16914 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16915 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16916 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16917 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16918 * doc/invoke.tex: Document -mcfv4e on m68k.
16920 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16922 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16925 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16928 * c-opts.c (c_common_handle_option): Don't include
16929 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16930 * doc/invoke.texi (C++ Dialect Options): Document that
16931 -Wnon-virtual-dtor is no longer included in -Wall.
16933 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16935 * gcov.c (print_version), gcov-dump.c (print_version),
16936 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16939 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16941 * df-scan.c (problem_SCAN): Added NULL reset function.
16942 (df_scan_reset_blocks): Added code to call reset block function
16943 (df_bb_refs_delete) Fixed comment.
16944 (df_insn_refs_delete): Made tolerant of deleting non existent info
16945 for dataflow problems that need to be reset.
16946 * df-core.c (df_set_blocks): Ditto.
16947 * df.h (struct df_problem): Added reset_fun.
16948 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16949 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16950 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16951 functions to clear out all references to def-use or use-def chains.
16953 2006-01-21 Ben Elliston <bje@au.ibm.com>
16955 * varasm.c (assemble_real): Initialise data array.
16957 2006-01-20 Paul Brook <paul@codesourcery.com>
16959 Merge from csl-arm-branch.
16960 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16961 * config/arm/arm.md (movdi): Force operands[1] to a register
16962 if we have a non-register source.
16963 (*arm_movdi, *movdf_soft_insn): Require that one of the
16964 operands be a register.
16965 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16966 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16968 2006-01-20 DJ Delorie <dj@redhat.com>
16970 * varasm.c (initializer_constant_valid_p): Allow pointers
16971 initialized from integer constants of lesser precision.
16972 (output_constant): Allow non-int-sized pointer modes to be
16973 initialized from integer constants.
16975 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16978 * cppdefault.h (struct default_include): Add multilib flag.
16979 * cppdefault.c (cpp_include_defaults): Set it.
16980 * c.opt (-imultilib): New option.
16981 * c-opts.c (imultilib): New.
16982 (c_common_handle_option): Handle -imultilib.
16983 (c_common_post_options): Likewise.
16984 * c-incpath.c (add_standard_paths, register_include_chains):
16986 * c-incpath.h (register_include_chains): Add extra parameter.
16987 * gcc.c (do_spec_1): Generate -imultilib option.
16988 (The Specs Language): Update %I description.
16989 (process_command): Update copyright notice.
16990 * doc/cppopts.texi (-imultilib): Document.
16991 * doc/invoke.texi (-imultilib): Include in option summary.
16992 (%I): Update specs documentation.
16994 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16996 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16998 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17000 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17003 2006-01-20 Richard Guenther <rguenther@suse.de>
17004 Steven Bosscher <stevenb.gcc@gmail.com>
17006 PR rtl-optimization/24626
17007 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17008 EDGE_TRUE_VALUE if in RTL mode.
17011 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17012 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17014 2006-01-20 Dirk Mueller <dmueller@suse.com>
17017 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17018 instead of a special NOP marker.
17019 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17020 NOP marker handling.
17021 * c-common.h (empty_body_warning): Add forward declaration.
17022 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17023 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17025 2006-01-20 Paul Brook <paul@codesourcery.com>
17027 * Makefile.in (lang_checks): Keep going if mkdir fails.
17029 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17031 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17032 be able to clean out basic block when not necessary.
17033 (df_scan_free): Fixed to properly delete information if df is
17034 unused before calling df_finish.
17035 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17036 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17038 (df_bb_refs_delete): New function.
17039 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17040 * df-core.c (df_set_blocks): Added code to properly clean out
17041 unused blocks if they are not part of the blocks to consider.
17042 Added additional null check.
17043 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17044 be able to clean out basic block when not necessary
17045 * df.h (df_free_bb_function): Ditto.
17046 (df_bb_refs_delete): New function.
17047 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17048 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17049 basic block parameter to be able to clean out basic block when not
17051 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17052 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17053 Fixed to properly delete information if df is unused before
17056 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17058 PR rtl-optimization/25799
17059 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17060 Corrected confluence operator to remove bits from op2 before oring
17061 with op1 rather than removing bits from op1.
17062 (df_ru_transfer_function): Corrected test on wrong bitmap which
17063 caused infinite loop. Both of these problems were introduced in
17064 the dataflow rewrite.
17066 2006-01-19 DJ Delorie <dj@redhat.com>
17068 * reload1.c (find_reload_regs): Note the details of reload
17069 failures in the dump file.
17070 (spill_failure): Likewise.
17072 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17074 * loop-iv.c: Include df.h and hashtab.h.
17075 (enum iv_grd_result): New enum.
17076 (DF_REF_IV, DF_REF_IV_SET): New macros.
17077 (struct biv_entry): New.
17078 (df, bivs): New global variables.
17079 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17080 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17082 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17083 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17084 analyzed_for_bivness_p, record_biv): New functions.
17085 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17086 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17087 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17089 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17091 (iv_number_of_iterations): Use new interface to iv analysis.
17092 * loop-unroll.c: Do not include varray.h.
17093 (analyze_iv_to_split_insn): Use new interface to iv
17095 * loop-unswitch.c (may_unswitch_on): Ditto.
17096 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17098 (df_bb_modify): Realloc tables to the new index.
17099 (df_find_use): New function.
17100 * df.h (df_find_use): Declare.
17101 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17103 * cfgloop.h (struct rtx_iv): Remove analysed field.
17104 (iv_get_reaching_def): Removed.
17105 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17106 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17107 (loop-iv.o): Add df.h and hashtab.h dependency.
17108 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17110 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17113 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17115 (__floatundisf, __floatundidf): Likewise.
17116 * libgcc2.h (IS_IBM_EXTENDED): Define.
17118 2006-01-19 DJ Delorie <dj@redhat.com>
17120 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17122 2006-01-19 Paul Brook <paul@codesourcery.com>
17124 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17125 as nothrow when unwinding tables are disabled.
17127 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17130 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17131 of bit-field" when in system header.
17133 2006-01-19 DJ Delorie <dj@redhat.com>
17135 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17136 the 16 bit shift limit of the m16c.
17138 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17141 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17142 * config/i386/i386.c (output_set_got): Output the label if we have one
17143 for the TARGET_DEEP_BRANCH_PREDICTION case.
17145 2006-01-19 Jan Hubicka <jh@suse.cz>
17146 H.J. Lu <hongjiu.lu@intel.com>
17147 Evandro Menezes <evandro.menezes@amd.com>
17149 * invoke.texi (generic): Document
17151 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17152 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17153 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17154 (x86_use_incdec, x86_pad_returns): New variables
17155 (TARGET_CPU_DEFAULT_generic): New constant
17156 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17157 (enum processor_type): Add generic32 and generic64.
17158 * i386.md (cpu attribute): Add generic32/generic64
17159 (movhi splitter): Behave sanely when both partial_reg_dependency and
17160 partial_reg_stall are set.
17161 (K8 splitters): Enable for generic as well.
17162 * predicates.md (incdec_operand): Use TARGET_INCDEC
17163 (aligned_operand): Avoid memory mismatch stalls.
17164 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17165 * ppro.md: Enable for generic32
17166 * i386.c (generic64_cost, generic32_cost): New.
17167 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17168 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17169 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17170 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17171 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17172 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17173 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17174 x86_accumulate_outgoing_args, x86_prologue_using_move,
17175 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17176 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17177 Enable for generic.
17178 (x86_use_incdec, x86_pad_returns): New.
17179 (override_options): Add generic32 and generic64, translate "generic"
17180 to generic32/generic64 and "i686" to "generic32", refuse
17181 "generic32"/"generic64" as arch target.
17182 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17183 (ix86_reorg): Honor PAD_RETURNS.
17185 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17187 * tree-pretty-print.c (dump_generic_node): Handle
17188 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17189 * cgraph.c (cgraph_expand_queue): Rename from
17190 cgraph_analyze_queue. Update all users.
17191 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17192 cgraph_expand_queue.
17193 (cgraph_expand_all_functions): Likewise.
17194 (cgraph_finalize_pending_functions): Remove. Update callers.
17196 * tree.h (OMP_DIRECTIVE_P): Define.
17197 (OMP_PARALLEL_FN): Define.
17198 (OMP_PARALLEL_DATA_ARG): Define.
17199 (OMP_SECTIONS_SECTIONS): Define.
17200 * tree-pass.h (pass_expand_omp): Declare.
17201 * omp-low.c (struct omp_region): Declare.
17202 (struct omp_context): Remove fields 'parallel_type',
17203 'parallel_start_ix' and 'parallel_start_additional_args'.
17205 (struct omp_for_data): Rename from struct expand_omp_for_data.
17206 (omp_regions): New static variable.
17207 (root_omp_region): New static variable.
17208 (find_omp_clause): Make static.
17209 (is_in_combined_parallel_ctx): Remove.
17210 (is_combined_parallel): New.
17211 (extract_omp_for_data): Move earlier in the file.
17212 (workshare_safe_to_combine_p): New.
17213 (get_ws_args_for): New.
17214 (determine_parallel_type): Move earlier in the file.
17215 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17217 (omp_copy_decl): Likewise.
17218 (create_omp_child_function): Likewise.
17219 (lookup_omp_region): New.
17220 (dump_omp_region): New.
17221 (debug_omp_region): New.
17222 (debug_all_omp_regions): New.
17223 (new_omp_region): New.
17224 (scan_omp_parallel): If parallel_nesting_level > 1, the
17225 directive is nested within another parallel directive.
17226 Set OMP_PARALLEL_FN.
17227 (scan_omp_for): Do not try to handle combined parallel+for
17229 Remove FIXME comment.
17230 (scan_omp_nested): Remove.
17231 (scan_omp_1): Do not call scan_omp_nested when
17232 parallel_nesting_level is > 1.
17233 Do not change the DECL_CONTEXT of local variables found.
17234 (lookup_decl_in_outer_ctx): New.
17235 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17236 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17237 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17238 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17239 If CTX is nested, lookup VAR in the outer context when
17240 building copy assignment.
17241 (lower_send_clauses): Rename from expand_send_clauses.
17242 If CTX is nested, lookup VAR in the outer context when
17243 building copy assignments.
17244 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17245 If CTX is nested, lookup VAR in the outer context when
17246 building copy assignments.
17247 (expand_parallel_call): Rename from build_parallel_call.
17248 Handle combined parallel+workshare cases.
17249 Re-implement to emit code into the CFG.
17251 (expand_omp_parallel): Re-implement to emit code into the CFG.
17252 Call move_sese_region_to_fn to outline the sub-graph
17253 containing the parallel region.
17254 (expand_omp_for_1): Remove.
17255 (expand_omp_for_generic): Re-implement to emit code into the
17257 (expand_omp_for_static_nochunk): Likewise.
17258 (expand_omp_for_static_chunk): Likewise.
17259 (expand_omp_for): Likewise.
17260 (expand_omp_sections): Likewise.
17261 (remove_exit_barriers): New.
17262 (expand_omp_synch): New.
17264 (build_omp_regions_1): New.
17265 (build_omp_regions): New.
17266 (execute_expand_omp): New.
17267 (gate_expand_omp): New.
17268 (pass_expand_omp): Define.
17269 (lower_omp_sections): Rename from expand_omp_sections.
17270 Set OMP_SECTIONS_SECTIONS.
17271 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17272 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17273 (lower_omp_single): Rename from expand_omp_simple.
17274 (lower_omp_master): Rename from expand_omp_master.
17275 (lower_omp_ordered): Rename from expand_omp_ordered.
17276 (lower_omp_critical): Rename from expand_omp_critical.
17277 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17278 (lower_omp_for): Re-implement.
17279 (lower_omp_parallel): Re-implement.
17280 (lower_regimplify): Rename from expand_regimplify.
17281 (lower_omp_1): Rename from expand_omp_1.
17282 If there are syntax errors in the program, replace every
17283 OpenMP directive with NOP.
17284 Call lower_omp_* instead of expand_omp_*.
17285 (lower_omp): Rename from expand_omp.
17287 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17288 * tree-gimple.h (enum omp_parallel_type): Remove.
17289 (gimple_boolify): Declare extern.
17290 (find_omp_clause, determine_parallel_type): Remove.
17292 * gimple-low.c (lower_omp_directive): New.
17293 (lower_stmt): Call it.
17294 (record_vars_into): Move from ...
17295 (record_vars): ... here.
17296 Call record_vars_into with current_function_decl.
17298 * gimplify.c (struct gimplify_ctx): Remove fields
17299 combined_pre_p and combined_ctxp. Update users.
17300 (get_formal_tmp_var): Add documentation.
17301 (gimple_boolify): Make extern.
17302 (gimplify_expr_in_ctx): Remove. Update callers.
17303 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17304 will always be a BIND_EXPR.
17305 (gimplify_expr): Handle OMP_RETURN_EXPR.
17306 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17307 (OMP_PARALLEL): Add 3 operands.
17308 (OMP_SECTIONS): Add 1 operand.
17309 (OMP_RETURN_EXPR): Define.
17311 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17312 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17313 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17314 creating a circular free list.
17315 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17317 * tree-flow.h (move_sese_region_to_fn): Declare.
17318 (record_vars_into): Declare.
17319 * tree-cfg.c (make_omp_sections_edges): New.
17320 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17321 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17322 OMP_SECTIONS and OMP_SECTION.
17323 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17324 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17325 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17326 (gather_blocks_in_sese_region): New.
17327 (struct move_stmt_d): Declare.
17328 (move_stmt_r): New.
17329 (move_block_to_fn): New.
17330 (move_sese_region_to_fn): New.
17332 * passes.c (init_optimization_passes): Schedule
17333 pass_expand_omp after pass_init_datastructures.
17335 * tree-ssa-operands.c (get_expr_operands): Handle
17336 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17337 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17339 2006-01-19 Jeff Law <law@redhat.com>
17341 * tree-vrp.c (extract_range_from_assert): Refine the result range
17342 if the variable referenced by the ASSERT_EXPR has a range and
17343 either the tentative result range or the previous range is a
17346 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17348 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17350 2006-01-19 Jan Hubicka <jh@suse.cz>
17352 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17354 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17356 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17357 (expand_compound_operation, expand_field_assignment): Fail if the
17358 bit lengths of an extract operation are out of range.
17359 (make_extraction): Compute wanted_inner_mode based on the position
17360 and length of the extraction. Make it extraction_mode for non-constant
17361 positions, and do not modify offset in that case. When generating a
17362 new MEM, use a mode that can hold the extraction while keeping correct
17363 alignment. Remove code that supported MEMs wrapped by USEs.
17364 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17366 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17368 * config/s390/s390.md ("Y", "y"): New mode attribute.
17369 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17370 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17371 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17372 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17373 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17374 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17375 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17376 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17377 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17378 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17379 "addsi3", "subsi3"): Insn patterns removed.
17380 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17381 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17382 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17383 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17384 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17385 "*sub<mode>3_cconly2"): New insn patterns.
17386 ("addsi3", "subsi3"): New expanders.
17388 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17390 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17391 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17392 existing STMT_VINFO_VECTYPE if available.
17393 (vect_mark_relevant): Add special handling for stmts that are
17394 marked as STMT_VINFO_IN_PATTERN_P.
17395 (vect_analyze_loop): Call vect_pattern_recog.
17396 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17397 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17399 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17400 (vect_recog_func_ptr): New function-pointer type.
17401 * tree-vect-patterns.c: New file.
17402 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17403 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17404 (vect_pattern_recog_1): New functions.
17405 (vect_pattern_recog_funcs): New array of function pointers.
17407 * tree-vectorizer.h (ternary_op): New enum value.
17408 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17409 declaration. Revised documentation. Removed redundant dump prints.
17410 Removed redundant argument. Added support for reduction patterns.
17411 (vectorizable_reduction): Added support for reduction patterns.
17412 (vect_transform_stmt): Added support for patterns.
17414 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17415 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17416 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17417 (expand_widen_pattern_expr): New function.
17418 (init_optabs): Initialize new optabs udot_prod_optab,
17420 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17421 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17422 (expand_widen_pattern_expr): New function declaration.
17423 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17425 * tree-inline.c (estimate_num_insns_1): Added cases for new
17426 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17427 * tree-pretty-print.c (dump_generic_node): Likewise.
17428 (op_prio): Likewise.
17429 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17430 * tree-ssa-operands.c (get_expr_operands): Added case for
17432 * tree-vect-patterns.c (widened_name_p): New function.
17433 (vect_recog_dot_prod_pattern): Added function implementation.
17434 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17435 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17436 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17437 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17439 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17440 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17441 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17442 (init_optabs): Initialize new optabs widen_ssum_optab,
17444 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17445 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17446 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17447 use instead of type of def.
17448 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17449 function implementation.
17450 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17451 widen_ssumv8hi): New.
17453 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17456 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17459 * c-decl.c (add_flexible_array_elts_to_size): New function.
17460 (finish_decl): Use it.
17462 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17464 * diagnostic.h: Include options.h.
17465 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17466 dependancies for diagnostic.h.
17467 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17469 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17471 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17472 (ssa_ro_call_cache_valid): Ditto.
17473 * tree-ssa-alias.c (sort_tags_by_id): New function.
17474 (init_transitive_clobber_worklist): Ditto.
17475 (add_to_worklist): Ditto.
17476 (mark_aliases_call_clobbered): Ditto.
17477 (compute_tag_properties): Ditto.
17478 (set_initial_properties): Ditto.
17479 (compute_call_clobbered): Ditto.
17480 (compute_may_aliases): Call compute_call_clobbered and grouping.
17481 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17482 (compute_flow_insensitive_aliasing): Grouping now happens in our
17484 (setup_pointers_and_addressables): Remove clobbering related code.
17485 (add_may_alias): Ditto.
17486 (replace_may_alias): Ditto.
17487 (get_nmt_for): Ditto.
17488 (create_global_var):
17489 (is_escape_site): Return an escape_type enumeration.
17490 * tree-flow-inline.h (is_call_clobbered): Global var does not
17491 imply call clobbered.
17492 (mark_call_clobbered): Take a reason for marking this. Remove
17493 marking of globalness, and cache invalidation.
17494 (clear_call_clobbered): Remove cache invalidation code.
17495 * tree-dfa.c (dump_variable): If details is on, dump the reason
17497 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17499 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17500 (struct var_ann_d): Ditto.
17501 (enum escape_type): New.
17502 (mark_call_clobbered): Adjust prototype.
17503 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17504 are never call clobbered.
17505 Record reasons for escaping.
17506 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17507 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17508 (ssa_ro_call_cache_valid): Ditto.
17509 (clobbered_v_may_defs): Ditto.
17510 (clobbered_vuses): Ditto.
17511 (ro_call_vuses): Ditto.
17512 (clobber_stats): New.
17513 (init_ssa_operands): Zero out clobber stats.
17514 (fini_ssa_operands): Print out clobber stats.
17515 (get_call_expr_operands): Pass callee fndecl to
17516 add_call_read_ops).
17517 (add_call_clobber_ops): Remove use of cache.
17518 Add use of PURE_CONST information.
17519 (add_call_read_ops): Remove use of cache.
17520 Add use of static not_read information.
17522 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17524 Introduce TLS descriptors for i386 and x86_64.
17525 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17526 (TARGET_ANY_GNU_TLS): New macro.
17527 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17528 (struct machine_function): Add tls_descriptor_call_expanded_p.
17529 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17530 (ix86_current_function_calls_tls_descriptor): Likewise.
17531 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17532 (override_options): Introduce gnu2 tls dialect.
17533 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17535 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17537 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17538 (ix86_init_machine_status): Initialize new field.
17539 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17540 (ix86_tls_module_base): New.
17541 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17542 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17543 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17544 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17545 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17546 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17547 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17548 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17549 * config/i386/predicates.md (tls_modbase_operand): New.
17550 (tp_or_register_operand): New.
17552 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17554 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17555 (look_for_address_of): Ditto.
17556 (ipa_init): Walk the function decls.
17557 (static_execute): Don't set readonly on FUNCTION_DECL's.
17559 2006-01-18 Roger Sayle <roger@eyesopen.com>
17561 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17562 for shifts where the source and destination registers are different.
17564 2006-01-18 Paul Brook <paul@codesourcery.com>
17566 Merge from csl-arm-branch.
17567 2005-03-14 Julian Brown <julian@codesourcery.com>
17568 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17569 (aeabi_llsl): Likewise.
17570 (ashrdi3): Likewise.
17571 (aeabi_lasr): Likewise.
17572 (lshrdi3): Likewise.
17573 (aeabi_llsr): Likewise.
17574 2005-03-10 Julian Brown <julian@codesourcery.com>
17575 * config.gcc: Disable shared libgcc for SymbianOS.
17576 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17578 2006-01-18 DJ Delorie <dj@redhat.com>
17580 * c-pragma.c (handle_pragma_diagnostic): New.
17581 (init_pragma): Register it.
17582 * doc/extend.texi: Document it.
17584 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17585 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17586 (diagnostic_context): Add classify_diagnostic[].
17587 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17588 as errors if they're overridden to DK_WARNING.
17589 (diagnostic_initialize): Initialize classify_diagnostic[].
17590 (diagnostic_set_kind_override): New.
17591 (diagnostic_report_diagnostic): Check for kind changes.
17592 * opts.c (common_handle_option): Take lang_mask. Update callers.
17593 Handle OPT_Werror_.
17594 * common.opt (Werror=): New.
17595 * doc/invoke.texi: Document -Werror=*
17597 2006-01-18 Jeff Law <law@redhat.com>
17599 * tree-vrp.c (test_for_singularity): Correct test for new
17600 min limit. Use operand_equal_p rather than pointer equality
17601 for testing if new min/max values are equal.
17603 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17604 using range information until after propagation and folding.
17606 2006-01-18 Richard Henderson <rth@redhat.com>
17607 Aldy Hernandez <aldyh@redhat.com>
17608 Jakub Jelinek <jakub@redhat.com>
17609 Diego Novillo <dnovillo@redhat.com>
17611 * omp-low.c: New file.
17612 * c-omp.c: New file.
17614 2006-01-18 Richard Henderson <rth@redhat.com>
17615 Jakub Jelinek <jakub@redhat.com>
17616 Diego Novillo <dnovillo@redhat.com>
17618 * doc/invoke.texi: Document -fopenmp.
17619 * tree-dump.h (debug_function): Declare.
17620 * hooks.c (hook_bool_tree_bool_false): New function.
17621 (hook_tree_tree_null): Remove.
17622 (hook_tree_tree_tree_null): New.
17623 * hooks.h: Update to match.
17624 * tree-pretty-print.c (debug_tree_chain): New.
17625 (print_generic_expr): Handle TDF_CHAIN.
17626 (dump_generic_node): Handle BLOCK.
17627 Do not abort with incomplete SWITCH_EXPRs.
17628 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17629 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17630 print space after directive name.
17631 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17632 Handle OMP_MASTER and OMP_ORDERED.
17633 Handle printing of OMP_BODY just in one place, goto
17634 dump_omp_body in the rest of OMP_* nodes that have
17636 Don't handle clause nodes here. Update omp statements to
17637 use dump_omp_clauses.
17638 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17639 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17640 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17641 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17642 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17643 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17644 Adjust output for GOMP_PARALLEL.
17645 (dump_omp_clauses): New.
17646 (print_declaration): Dump DECL_VALUE_EXPR.
17647 (op_symbol_1): Split out of op_symbol.
17648 (dumping_stmts): Remove. Update all users.
17649 * cgraph.c (cgraph_analyze_queue): New.
17650 (cgraph_add_new_function): New.
17651 * cgraph.h (cgraph_analyze_queue): Declare.
17652 (cgraph_add_new_function): Declare.
17653 (cgraph_lower_function): Remove.
17654 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17655 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17656 and TYPE_P nodes in its default clause.
17657 (empty_body_p): New.
17658 (tree_range_check_failed): New.
17659 (build5_stat): New.
17660 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17661 OMP_CLAUSE_REDUCTION_MERGE,
17662 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17663 OMP_CLAUSE_PRIVATE_DEBUG,
17664 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17665 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17666 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17667 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17668 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17669 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17670 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17671 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17672 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17673 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17674 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17675 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17676 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17677 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17678 (TREE_RANGE_CHECK): New.
17679 (empty_body_p): Declare.
17680 (enum omp_clause_default_kind): New.
17681 (build_string_literal): Declare.
17682 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17683 (build5_stat, build5): Declare.
17684 * tree-pass.h (TDF_CHAIN): Define.
17685 * tree-pass.h (PROP_gimple_lomp): Define.
17686 (pass_lower_omp): Declare.
17687 * diagnostic.h (debug_tree_chain): Declare.
17688 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17690 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17691 * builtins.c (build_string_literal): Make extern.
17692 * gcc.c (include_spec_function): New.
17693 (static_spec_functions): Add it.
17694 (main): Move load of libgomp.spec ...
17695 (LINK_COMMAND_SPEC): ... here.
17696 (link_gomp_spec): New.
17697 (static_specs): Include it.
17698 (LINK_COMMAND_SPEC): Add link_gomp.
17699 (GOMP_SELF_SPECS): New.
17700 (driver_self_specs): Include it.
17701 (switch_matches): Don't mark inline.
17702 (main): Load libgomp.spec.
17703 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17704 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17705 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17706 * tree-gimple.h (enum omp_parallel): Declare.
17707 (determine_parallel_type): Declare.
17708 (omp_firstprivatize_variable): Declare.
17709 (omp_reduction_init): Declare.
17710 (diagnose_omp_structured_block_errors): Declare.
17711 (struct walk_stmt_info): Add want_return_expr.
17712 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17713 (find_omp_clause): Declare.
17714 (insert_field_into_struct): Declare.
17715 (struct walk_stmt_info): Move from tree-nested.c
17716 (walk_stmts): Declare.
17717 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17719 * cgraphunit.c (cgraph_lower_function): Make static.
17720 (cgraph_finalize_pending_functions): New.
17721 (cgraph_finalize_function): Call it.
17722 (cgraph_finalize_compilation_unit): Likewise.
17723 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17724 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17725 (BT_FN_UINT_UINT): New.
17726 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17727 DEF_FUNCTION_TYPE_VAR_4): Document.
17728 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17729 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17730 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17731 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17732 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17733 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17734 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17735 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17736 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17737 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17738 into separate files.
17739 (DEF_GOMP_BUILTIN): New.
17740 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17741 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17742 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17743 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17744 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17745 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17746 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17747 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17748 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17749 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17750 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17751 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17752 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17753 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17754 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17755 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17756 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17757 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17758 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17759 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17760 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17761 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17762 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17763 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17764 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17765 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17766 * sync-builtins.def: New file, moved from builtins.def.
17767 * omp-builtins.def: New file, moved from builtins.def.
17768 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17769 * gimple-low.c (lower_function_body): Clear data.
17770 (lower_stmt): Do not handle COMPOUND_EXPR.
17771 Remove call to print_node_brief.
17772 * c-tree.h (c_finish_omp_clauses): New prototype.
17773 (C_DECL_THREADPRIVATE_P): Define.
17774 (lookup_name_no_remap, c_omp_remap_private): Remove
17775 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17776 (check_for_loop_decls): Update decl.
17777 (lookup_name_no_remap, c_omp_remap_private): Declare.
17778 (build_indirect_ref, build_modify_expr, pushdecl,
17779 pushdecl_top_level): Move to c-common.h.
17780 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17781 before the switch, but just in the 2 places that need it.
17782 * c-decl.c (diagnose_mismatched_decls): Do not check for
17783 mismatched thread-local attributes when OLDDECL is marked
17784 threadprivate and NEWDECL has no thread-local attributes.
17785 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17786 (c_gimple_diagnostics_recursively): Rename from
17787 c_warn_unused_result_recursively. Invoke
17788 diagnose_omp_structured_block_errors.
17789 (check_for_loop_decls): Return a singular decl found.
17790 * langhooks.c (lhd_omp_predetermined_sharing): Return
17791 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17792 (lhd_omp_firstprivatize_type_sizes): New.
17793 (lhd_omp_assignment): New.
17794 (lhd_omp_predetermined_sharing): New.
17795 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17796 (struct lang_hooks_for_types): Add
17797 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17798 omp_predetermined_sharing, omp_disregard_value_expr,
17799 omp_private_debug_clause, omp_clause_default_ctor,
17800 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17801 (c_finish_omp_clauses): New.
17802 (c_finish_bc_stmt): Diagnose break within omp for.
17803 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17804 (build_unary_op): Return error_mark after reporting
17806 (build_modify_expr): Likewise.
17807 * gimplify.c: Include optabs.h and pointer-set.h.
17808 (enum gimplify_omp_var_data): Declare.
17809 (struct gimplify_omp_ctx): Declare.
17810 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17812 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17813 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17814 (splay_tree_compare_decl_uid): New.
17815 (new_omp_context): New.
17816 (delete_omp_context): New.
17817 (gimple_add_tmp_var): Call omp_add_variable.
17818 (gimplify_bind_expr): Likewise.
17819 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17820 true, disregard DECL_VALUE_EXPR on the decl if any.
17821 (gimplify_expr_in_ctx): New.
17822 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17823 omp_add_variable, omp_notice_variable, omp_is_private
17824 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17825 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17826 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17827 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17828 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17829 gimplify_omp_atomic): New.
17830 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17831 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17832 OMP_CRITICAL and OMP_ATOMIC.
17833 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17834 * c-pragma.h (enum pragma_kind): Add
17835 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17836 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17837 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17838 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17839 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17840 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17841 PRAGMA_OMP_THREADPRIVATE.
17842 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17843 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17844 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17845 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17846 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17847 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17848 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17849 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17850 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17851 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17852 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17853 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17854 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17856 (struct nesting_info): Add field_map,
17857 suppress_expansion, debug_var_chain.
17858 (create_nesting_tree): Initialize them.
17859 (lookup_field_for_decl): Use field_map.
17860 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17861 (convert_local_omp_clauses): New.
17862 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17863 (walk_body): Split out of walk_function.
17864 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17865 (convert_nonlocal_reference): Handle omp statements.
17866 (convert_local_reference): Likewise.
17867 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17868 (unnest_nesting_tree): New.
17869 (lower_nested_functions): Call it.
17870 (insert_field_into_struct): Make extern.
17871 (struct walk_stmt_info): Move to tree-gimple.h.
17872 (walk_stmts): Make extern.
17873 * omp-builtins.def: New file.
17874 * tree-iterator.c (expr_only): Clarify comment.
17875 * c-common.h (pushdecl_top_level, pushdecl,
17876 build_modify_expr, build_indirect_ref,
17877 c_finish_omp_master, c_finish_omp_critical,
17878 c_finish_omp_ordered, c_finish_omp_barrier,
17879 c_finish_omp_atomic, c_finish_omp_flush,
17880 c_finish_omp_for, c_split_parallel_clauses,
17881 omp_clause_default_kind, c_omp_sharing_predetermined,
17882 c_omp_remap_decl): Declare.
17883 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17884 (OBJS-common): Add omp-low.o.
17885 (c-omp.o, omp-low.o): Add.
17886 (gimplify.o): Add dependency on $(OPTABS_H).
17887 (GTFILES): Add omp-low.c.
17888 (gt-stringpool.h): Add.
17889 * tree-cfg.c (set_bb_for_stmt): Do not update the
17890 block-to-labels map if we are currently expanding to RTL.
17891 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17893 Handle IDENTIFIER_NODE.
17894 (tree_verify_flow_info): Do not ICE when emitting error
17895 messages about invalid labels.
17896 (dump_function_to_file): Reset CFUN before emitting the body
17898 (debug_function): New.
17899 * passes.c (init_optimization_passes): Schedule
17901 * langhooks-def.h (lhd_omp_predetermined_sharing,
17902 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17904 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17905 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17906 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17907 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17908 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17909 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17910 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17911 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17912 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17913 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17914 (LANG_HOOK_DECLS): Use them.
17916 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17917 Richard Henderson <rth@redhat.com>
17918 Jakub Jelinek <jakub@redhat.com>
17919 Diego Novillo <dnovillo@redhat.com>
17921 * c-parser.c (pragma_omp_clause): Define.
17922 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17923 (c_parser_compound_statement): Likewise.
17924 (c_parser_statement): Likewise.
17925 (c_parser_pragma): Handle omp pragmas.
17926 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17927 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17928 (c_parser_omp_clause_name, check_no_duplicate_clause,
17929 c_parser_omp_variable_list,
17930 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17931 c_parser_omp_clause_copyprivate,
17932 c_parser_omp_clause_default,
17933 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17934 c_parser_omp_clause_lastprivate,
17935 c_parser_omp_clause_nowait,
17936 c_parser_omp_clause_num_threads,
17937 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17938 c_parser_omp_clause_reduction,
17939 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17940 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17941 c_parser_omp_atomic, c_parser_omp_barrier,
17942 c_parser_omp_critical, c_parser_omp_flush,
17943 c_parser_omp_for_loop, c_parser_omp_for,
17944 c_parser_omp_master, c_parser_omp_ordered,
17945 c_parser_omp_sections_scope, c_parser_omp_sections,
17946 c_parser_omp_parallel, c_parser_omp_single,
17947 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17948 * c-pragma.c (init_pragma): Do omp pragma registration here.
17949 * c.opt (fopenmp): New flag.
17951 2006-01-18 Eric Christopher <echristo@apple.com>
17953 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17954 * config/darwin.h (GOMP_SELF_SPECS): Define.
17956 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17958 * rtl.h: Remove the prototype for reg_alloc.
17960 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17963 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17964 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17965 sjlj and dwarf2 exception handling.
17966 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17967 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17968 * pa/pa.c (function_value): Treat complex and vector types as
17970 (function_arg): Likewise. Only pass scalar floats in the floating
17971 point argument registers.
17972 * pa/t-slibgcc-dwarf-ver: New file.
17973 * pa/t-slibgcc-sjlj-ver: New file.
17974 * pa/t-slibgcc-elf-ver: Delete file.
17976 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17978 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17979 unlikely_test_section_p test.
17981 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17983 * mode-switching.c (optimize_mode_switching): Make it static.
17984 * basic-block.h: Remove the prototype for
17985 optimize_mode_switching.
17987 * modulo-sched.c (sms_schedule): Make it static.
17988 * rtl.h: Remove the prototype for sms_schedule.
17990 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17991 * rtl.h: Remove the prototype for gcse_after_reload_main.
17993 * reg-stack.c (reg_to_stack): Make it static.
17994 * rtl.h: Remove the prototype for reg_to_stack.
17996 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17998 * rtl.h: Remove the prototypes for regrename_optimize and
17999 copyprop_hardreg_forward.
18001 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18003 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18004 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18005 Test against the appropriate null constant for the mode.
18006 If 'fixup_overlap' is true, swap the operands if they overlap.
18007 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18008 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18009 alpha_split_tmode_pair and adjust for above change.
18010 * config/alpha/alpha.md (movtf_internal): Adjust call to
18011 alpha_split_tfmode_pair and rely on it to swap the operands.
18012 (movti_internal): New insn and post-reload splitter.
18013 (movti): New expander.
18015 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18017 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18020 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18022 * rtlanal.c (global_reg_mentioned_p_1,
18023 global_reg_mentioned_p): Remove.
18024 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18026 * flow.c (initialize_uninitialized_subregs): Make it static.
18027 * rtl.h: Remove the prototype for
18028 initialize_uninitialized_subregs.
18030 * function.c (instantiate_virtual_regs): Make it static.
18031 * function.h: Remove the prototype for
18032 instantiate_virtual_regs.
18034 * regmove.c (regmove_optimize, combine_stack_adjustments):
18036 * rtl.h: Remove the prototypes for regmove_optimize and
18037 combine_stack_adjustments.
18039 2006-01-17 Roger Sayle <roger@eyesopen.com>
18041 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18042 (size_cost): Encode costs in bytes so that a reg-reg addition is
18043 equivalent to COSTS_N_INSNS(1).
18044 (override_options): Use the size_cost.branch_cost as the default
18045 ix86_branch_cost when optimizing for size.
18047 2006-01-18 Ben Elliston <bje@au.ibm.com>
18049 * Makefile.in (D32PBIT_FUNCS): New.
18050 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18051 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18052 D64PBIT_FUNCS and D128PBIT_FUNCS.
18053 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18054 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18056 (decnumber_dep): Define.
18057 * doc/libgcc.texi (Decimal float library routines): New node.
18058 * config/dfp-bit.h, config/dfp-bit.c: New files.
18060 2006-01-18 Ben Elliston <bje@au.ibm.com>
18062 * expr.c (emit_move_change_mode): Always adjust addresses, not
18063 just during reload. Copy replacements only during reload.
18064 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18065 emit_move_via_integer.
18067 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18069 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18070 instead of $(srcdir) and ${srcdir}.
18072 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18075 PR middle-end/11135
18076 * arm.h (struct machine_function): Add pic_reg.
18077 * arm.c (arm_pic_register): Make unsigned.
18078 (arm_override_options): Only set arm_pic_register if
18079 TARGET_SINGLE_PIC_BASE.
18080 (use_return_insn): Only test for a pic register if it is fixed.
18081 (arm_compute_save_reg0_reg12_mask): Likewise.
18082 (thumb_compute_save_reg_mask): Likewise.
18083 (legitimate_pic_operand): Factor out some known invariants.
18084 (legitimize_pic_address): If we don't have a fixed pic register,
18085 then set up a pseudo in the function entry sequence. Handle the
18086 pic base being in a pseudo.
18087 (arm_load_pic_register): Handle the pic register being in a pseudo.
18088 (arm_expand_prologue): Only set up the pic register if it is fixed.
18089 (thumb_expand_prologue): Likewise.
18090 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18091 (pic_load_addr_based_insn): Likewise.
18092 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18095 2006-01-18 Ben Elliston <bje@au.ibm.com>
18097 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18098 decimal float modes for all floating point registers.
18100 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18101 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18103 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18106 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18107 even when the pointer is not NULL.
18109 2006-01-16 Ian Lance Taylor <ian@airs.com>
18111 * common.opt (ftoplevel-reorder): New option.
18112 * cgraph.c (cgraph_asm_nodes): New global variable.
18113 (cgraph_asm_last_node): New static variable.
18114 (cgraph_order): New global variable.
18115 (cgraph_create_node): Set new order field.
18116 (cgraph_varpool_node): Likewise.
18117 (decide_is_variable_needed): Return true if not
18118 flag_toplevel_reorder.
18119 (cgraph_add_asm_node): New function.
18120 * cgraph.h (struct cgraph_node): Add order field.
18121 (struct cgraph_varpool_node): Add order field.
18122 (struct cgraph_asm_node): Define.
18123 (cgraph_asm_nodes, cgraph_order): Declare.
18124 (cgraph_add_asm_node): Declare.
18125 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18127 (cgraph_varpool_assemble_pending_decls): Call it.
18128 (cgraph_output_pending_asms): New static function.
18129 (cgraph_finalize_compilation_unit): Call it.
18130 (struct cgraph_order_sort): Define.
18131 (cgraph_output_in_order): New static function.
18132 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18133 !flag_toplevel_reorder case.
18134 * c-parser.c: Include "cgraph.h".
18135 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18137 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18138 than -fno-unit-at-a-time.
18139 * doc/invoke.texi (Option Summary): Mention
18140 -fno-toplevel-reorder.
18141 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18142 -funit-at-a-time documentation.
18144 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18145 Kazu Hirata <kazu@codesourcery.com>
18147 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18149 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18151 * Makefile.in (FUNCTION_H): New. Use it instead of
18152 function.h throughout the file.
18153 * function.h: Include tree.h.
18155 2006-01-17 Ben Elliston <bje@au.ibm.com>
18157 * recog.c: Separate some functions with whitespace.
18159 2006-01-16 Richard Henderson <rth@redhat.com>
18161 Merge from gomp branch:
18162 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18163 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18164 and rename from struct inline_data. Rename callee* to dst*;
18165 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18166 transform_new_cfg, transform_return_to_modify, and
18167 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18169 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18170 (copy_decl_for_dup): Remove.
18171 * tree-inline.c (struct inline_data): Move to header.
18172 (insert_decl_map): Export.
18173 (remap_decl): Update for member name changes. Use copy_decl hook.
18174 Allow for replacement to be a non-decl. Remove dead code.
18175 (remap_type_1): Check for existing mapping.
18176 (remap_type): Export.
18177 (remap_decls): Update for member name changes.
18178 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18179 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18180 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18181 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18182 (tree_function_versioning, build_duplicate_type): Likewise.
18183 (copy_body_r): Likewise. Export.
18184 (copy_decl_for_dup): Split into ...
18185 (copy_decl_for_dup_finish, copy_decl_to_var,
18186 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18187 (replace_ref_tree, inlining_p): Remove.
18189 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18191 * ifcvt.c (if_convert): Make it static.
18192 * rtl.h: Remove the prototype for if_convert.
18194 * local-alloc.c (local_alloc): Make it static.
18195 * rtl.h: Remove the prototype for local_alloc.
18197 * loop.c (loop_optimize): Make it static.
18198 * cfgloop.h: Remove the prototype for loop_optimize.
18201 2006-01-16 DJ Delorie <dj@redhat.com>
18203 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18206 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18208 * pa.md: Disparage copies between general and floating-point registers
18209 in 32-bit move patterns.
18211 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18214 * Makefile.in (check-%): Depend on site.exp instead of
18215 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18218 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18220 * global.c (global_alloc): Make it static.
18221 * rtl.h: Remove the prototype for global_alloc.
18223 2006-01-16 Richard Guenther <rguenther@suse.de>
18225 * tree-ssa-alias.c (struct used_part): Add write_only field.
18226 (get_or_create_used_part_for): Initialize it to true.
18227 (create_overlap_variables_for): Don't create structure variables
18228 for structures that only are written to.
18229 (find_used_portions): Handle MODIFY_EXPR to track whether a
18230 structure is only written to.
18232 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18234 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18236 * basic-block.h: Remove the prototype for
18237 partition_hot_cold_basic_blocks.
18239 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18241 * cppspec.c (lang_specific_spec_functions): Remove.
18242 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18243 * gcc.h (lang_specific_spec_functions): Remove.
18244 * gccspec.c (lang_specific_spec_functions): Remove.
18246 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18248 * combine.c (record_value_for_reg): Invalidate registers
18250 (record_dead_and_set_regs_1): Likewise, by passing them to
18251 record_value_for_reg.
18252 (record_dead_and_set_regs): Invalidate stores made by a
18253 call. We do not combine across a call, but we still
18254 relied on equivalences.
18256 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18258 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18259 vrp_int_const_binop returning non-constant nodes.
18261 2006-01-16 Paul Brook <paul@codesourcery.com>
18263 * config/m68k/m68k.c (output_move_const_into_data_reg):
18264 Output correct mnemonic for mvz and mvs.
18266 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18268 * rtl-factoring.c: Add sequence abstraction algorithm.
18269 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18270 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18272 (block_has_preserve_label): New function.
18273 * common.opt: Register new pass.
18274 * Makefile.in: Ditto.
18276 * timevar.def: Ditto.
18277 * tree-pass.h: Ditto.
18278 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18279 * rtl.h (make_jump_insn_raw): Add forward decl.
18280 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18282 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18283 Roger Sayle <roger@eyesopen.com>
18285 * fold-const.c (fold_minmax): New static function.
18286 (fold_binary) <MIN_EXPR>: Call it.
18287 <MAX_EXPR>: Likewise.
18288 * stor-layout.c (place_field): Use DECL_SIZE consistently
18289 in the computation of the new record size.
18291 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18293 * cse.c (cse_condition_code_reg): Make it static.
18294 * rtl.h: Remove the prototype for cse_condition_code_reg.
18296 * combine.c (combine_instructions): Make it static.
18297 * rtl.h: Remove the prototype for combine_instructions.
18299 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18302 * tree.c (get_file_function_name_long): Concatenate the first global
18303 object name with a string derived from the input filename of the object
18306 2006-01-16 Ben Elliston <bje@au.ibm.com>
18308 * config/i386/winnt-stubs.c: Update FSF address.
18309 * config/xtensa/ieee754-df.S: Ditto.
18310 * config/xtensa/ieee754-sf.S: Ditto.
18312 2006-01-14 Ian Lance Taylor <ian@airs.com>
18314 * ifcvt.c (noce_init_if_info): New static function, broken out of
18315 noce_process_if_block.
18316 (noce_process_if_block): Call noce_init_if_info.
18317 (check_cond_move_block): New static function.
18318 (cond_move_process_if_block): New static function.
18319 (process_if_block): Call cond_move_process_if_block.
18321 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18323 * cselib.c (hash_table): Rename to cselib_hash_table.
18324 (cselib_clear_table, discard_useless_values,
18325 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18326 cselib_init, cselib_finish): Adjust uses of hash_table.
18328 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18330 PR tree-optimization/25485
18331 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18332 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18333 is known to be false and true, respectively.
18335 2006-01-14 Richard Guenther <rguenther@suse.de>
18337 PR tree-optimization/22548
18338 PR tree-optimization/22555
18339 PR tree-optimization/22501
18340 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18341 * params.def (salias-max-array-elements): New parameter.
18342 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18343 * doc/invoke.texi (salias-max-array-elements): Document.
18344 * tree-flow-inline.h (var_can_have_subvars): We also handle
18346 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18348 * tree-ssa-structalias.c (params.h): Include.
18349 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18350 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18351 (get_constraint_for): For ADDR_EXPR operating on something
18352 containing an ARRAY_REF, add all subvars to the solution.
18353 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18354 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18355 for creating MUST_DEFs.
18356 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18358 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18360 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18362 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18363 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18364 number_of_iterations_le): New functions.
18365 (number_of_iterations_special): Removed.
18366 (number_of_iterations_exit): Do not use number_of_iterations_special.
18367 * tree.c (unsigned_type_for): Always return integer type.
18369 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18370 Richard Guenther <rguenther@suse.de>
18372 PR rtl-optimization/24257
18373 * gcse.c (find_moveable_store): Only consider a store movable
18374 when the SET_SRC of the insn can be assigned to a register.
18376 2006-01-14 Ian Lance Taylor <ian@airs.com>
18378 * tree.c (tree_not_class_check_failed): New function.
18379 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18380 (tree_not_class_check_failed): Declare.
18382 2006-01-13 Ian Lance Taylor <ian@airs.com>
18384 * reload1.c (do_output_reload): Add assertion rejecting a
18387 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18389 * combine.c (struct reg_stat): Add new fields truncation_label and
18391 (record_value_for_reg): Reset truncated_to_mode.
18392 (record_truncated_value): New function.
18393 (check_promoted_subreg): Call it. Rename to check_conversions.
18394 (combine_instructions): Rename check_promoted_subreg to
18396 (reg_truncated_to_mode): New function.
18397 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18398 (gen_lowpart_or_truncate): New function.
18399 (force_to_mode): Use it instead of gen_lowpart.
18401 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18403 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18404 VAR is a tag, not its type tag.
18406 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18408 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18409 alternatives to match style of other entries.
18410 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18412 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18414 PR tree-optimization/25771
18415 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18418 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18421 * tree-inline.c (declare_return_variable): If the return variable
18422 was marked as a non gimple complex, set the return slot variable
18423 to be a non gimple comple variable.
18425 2006-01-13 Richard Guenther <rguenther@suse.de>
18427 * builtins.c (expand_builtin_sincos): New function.
18428 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18430 (expand_builtin): Expand sincos using expand_builtin_sincos.
18432 2006-01-12 DJ Delorie <dj@redhat.com>
18434 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18435 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18436 so that constant shifts can be split.
18437 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18438 (m32c_valid_pointer_mode): Make static.
18439 (shift_gen_func_for): New.
18440 (m32c_prepare_shift): Use it. Split large const shifts into
18442 * config/m32c/predicates.md (shiftcount_operand): Allow more
18444 (longshiftcount_operand): New.
18445 * doc/md.texi (Machine Constraints): Document In6.
18447 2006-01-13 Ben Elliston <bje@au.ibm.com>
18449 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18450 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18453 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18455 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18456 to try to avoid clobbering pieces of structures when we know
18457 something about the whole structure.
18458 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18460 2006-01-13 Ben Elliston <bje@au.ibm.com>
18462 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18463 return in memory, as this is no limitation is no longer present.
18465 2006-01-12 DJ Delorie <dj@redhat.com>
18467 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18468 mova with fb, and for fb+0 -> An.
18470 * config/m32c/mov.md (peephole2): Fix enabling logic.
18472 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18473 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18474 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18475 FINI_ARRAY_SECTION_ASM_OP): Define.
18477 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18479 (m32c_legitimize_reload_address): New logic to reload FB to An.
18480 (m32c_output_reg_push): Add newline.
18481 (m32c_output_reg_pop): Likewise.
18483 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18485 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18487 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18489 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18491 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18493 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18496 2006-01-11 Ben Elliston <bje@au.ibm.com>
18498 * rtlanal.c (find_reg_note): Assert insn is not null.
18500 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18502 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18505 2006-01-11 Jeff Law <law@redhat.com>
18507 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18509 (mark_threaded_blocks, register_jump_thread): New functions.
18510 (thread_through_all_blocks): Remove unwanted argument. No
18511 longer rely on e->aux to communicate thread target info.
18512 Call mark_threaded_blocks. Release the threaded_blocks
18513 bitmap and threaded_edges vector when complete.
18514 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18515 (threaded_blocks): Remove.
18516 (tree_ssa_dominator_optimize): Remove initialization and
18517 finalization of threaded_blocks. Simplify call to
18518 thread_through_all_blocks.
18519 (thread_across_edge): Call register_jump_thread rather than
18520 storing thread information into e->aux.
18521 (free_all_edge_infos): Simplify now that e->aux is no longer
18522 used to communicate with thread_through_all_blocks.
18523 * tree-flow.h (thread_through_all_blocks): Update prototype.
18524 (register_jump_thread): Prototype.
18526 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18528 * df-core.c (df_compact_blocks, df_bb_replace): Use
18529 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18531 2006-01-11 Richard Guenther <rguenther@suse.de>
18533 PR tree-optimization/25734
18534 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18535 stop propagation after successful propagation to the LHS.
18537 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18539 * basic-block.h (control_flow_graph): Change the type of
18540 x_basic_block_info to VEC(basic_block,gc) *.
18541 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18543 (SET_BASIC_BLOCK): New.
18544 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18545 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18546 * cfgbuild.c (find_basic_blocks): Likewise.
18547 * cfglayout.c (fixup_reorder_chain): Likewise.
18548 * cfgrtl.c (create_basic_block_structure,
18549 rtl_create_basic_block): Likewise.
18550 * ifcvt.c (find_if_case_1): Likewise.
18551 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18554 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18556 * Makefile.in: Removed rotted odf.c entry.
18558 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18561 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18562 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18563 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18564 output pattern modifier, not %e.
18565 * config/cris/cris.c (cris_op_str): Update comment about pattern
18567 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18568 before falling through into...
18569 <case 'E'>: Redefined from old 'e' case.
18571 2006-01-11 Jan Hubicka <jh@suse.cz>
18574 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18576 2006-01-11 Jan Hubicka <jh@suse.cz>
18578 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18579 * i386.c (x86_decompose_lea): Kill.
18580 (ix86_rtx_costs): Kill.
18582 2006-01-11 Jan Hubicka <jh@suse.cz>
18584 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18585 * cgraph.h (cgraph_node): Add inline_decl.
18586 (cgraph_insert_node_to_hashtable): Declare.
18587 (save_inline_function_body): Declare.
18588 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18590 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18591 (cgraph_function_versioning): Update call of tree_function_versioning.
18592 (save_inline_function_body): New function.
18593 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18594 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18595 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18596 (cgraph_default_inline_p): Likewise.
18597 (cgraph_decide_inlining_incrementally): Likewise.
18598 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18599 (copy_bb): Kill saving; do updating of clones.
18600 (copy_cfg_body): Kill saving.
18601 (initialize_inlined-parameters): Likewise.
18602 (expand_call_inline): Likewise.
18604 (tree_function_versioning): New parameter "update_clones".
18605 (inlining_p): Kill saving.
18606 * tree-inline.h (tree_function_versioning): Update prototype.
18607 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18610 2006-01-11 Ian Lance Taylor <ian@airs.com>
18612 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18613 Allow undoing set of machine mode.
18614 (do_SUBST): Use enums instead of is_int.
18615 (do_SUBST_MODE): New function.
18616 (SUBST_MODE): New macro.
18617 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18618 reg and trying to replace reg_regno_rtx with a new register.
18619 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18620 (simplify_set): Use SUBST_MODE.
18621 (distribute_notes): Remove code that tried to update reg notes
18622 for regno_reg_rtx changes.
18624 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18626 PR tree-optimization/23109
18627 PR tree-optimization/23948
18628 PR tree-optimization/24123
18630 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18631 * tree-cfg.c (single_noncomplex_succ): New.
18632 * tree-flow.h (single_noncomplex_succ): Declare it.
18633 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18634 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18635 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18636 insert_bb, register_division_in, insert_reciprocals,
18637 replace_reciprocal, free_bb): New.
18638 (execute_cse_reciprocals_1): Rewritten.
18639 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18640 Do not commit any edge insertion. Always compute dominators and
18641 create the allocation pool.
18642 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18643 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18644 * targhooks.c (default_min_divistions_for_recip_mul): New.
18645 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18646 * passes.c (init_optimization_passes): Run recip after tree loop
18648 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18650 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18651 Kenneth Zadeck <zadeck@naturalbridge.com>
18653 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18654 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18655 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18656 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18657 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18658 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18659 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18660 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18661 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18662 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18663 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18664 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18665 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18666 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18667 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18668 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18669 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18670 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18671 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18672 DF_SCAN_POST_ALLOC): New macros.
18673 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18674 df_free_bb_function, df_local_compute_function, df_init_function,
18675 df_dataflow_function, df_confluence_function_0,
18676 df_confluence_function_n, df_transfer_function,
18677 df_finalizer_function, df_free_function, df_dump_problem_function,
18678 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18679 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18680 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18681 df_urec_bb_info, ) New types.
18682 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18684 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18685 df_analyze_simple_change_some_blocks,
18686 df_analyze_simple_change_one_block, df_compact_blocks,
18687 df_bb_replace, df_bb_regno_last_use_find,
18688 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18689 df_insn_regno_def_p, df_find_def, df_find_use,
18690 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18691 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18692 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18693 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18694 debug_df_chain, df_get_dependent_problem, df_chain_create,
18695 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18696 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18697 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18698 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18699 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18700 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18701 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18702 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18703 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18704 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18705 df_reorganize_refs, df_set_state, df_hard_reg_init,
18706 df_read_modify_subreg_p) New public functions.
18707 * df-core.c: The core dataflow solver and glue routines for rtl
18709 (df_init, df_add_problem, df_set_blocks, df_finish,
18710 df_hybrid_search_forward, df_hybrid_search_backward,
18711 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18712 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18713 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18714 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18715 df_reg_defined, df_find_use, df_reg_used, df_dump,
18716 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18717 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18718 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18719 debug_df_useno, reset_df_after_reload): New functions.
18720 * df-scan.c: The scanning fuctions, once in df.c, completely
18721 rewritten so that they now fully model the functionality of
18722 register usage at the backend.
18723 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18724 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18725 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18726 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18727 df_get_artificial_defs, df_get_artificial_uses,
18728 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18729 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18730 df_refs_delete, df_reorganize_refs, df_set_state,
18731 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18732 df_def_record_1, df_defs_record, df_uses_record,
18733 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18734 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18735 df_record_exit_block_uses, df_hard_reg_init): New functions.
18737 * df-problems.c: Seven concrete dataflow problems that use the
18738 scanning in df-scan.c and are solved by the engine in df-core.c.
18739 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18740 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18741 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18742 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18743 df_ru_free_bb_info, df_ru_alloc,
18744 df_ru_bb_local_compute_process_def,
18745 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18746 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18747 df_ru_transfer_function, df_ru_free, df_ru_dump,
18748 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18749 df_rd_free_bb_info, df_rd_alloc,
18750 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18751 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18752 df_rd_transfer_function, df_rd_free, df_rd_dump,
18753 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18754 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18755 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18756 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18757 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18758 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18759 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18760 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18761 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18762 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18763 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18764 df_urec_mark_reg_use_for_earlyclobber,
18765 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18766 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18767 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18768 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18769 df_chain_create_bb_process_use, df_chain_create_bb,
18770 df_chain_finalize, df_chain_free, df_chains_dump,
18771 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18772 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18773 df_reg_lifetime): New functions.
18774 * df.c: Deleted file.
18775 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18776 consistent with new df api.
18777 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18778 rest_of_handle_sms): Ditto.
18779 * web.c (unionfind_union, union_defs, entry_register, web_main):
18781 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18782 invariant_expr_equal_p, find_defs, check_dependencies,
18783 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18784 free_inv_motion_data, move_loop_invariants): Ditto.
18785 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18786 Update dependencies.
18787 (odf.c): Added defective entry that was deleted later in day.
18788 * sched-deps.c (sched_analyze_1): Ditto.
18790 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18792 * tree-ssa-operands.c (get_expr_operands): Record addressable
18793 variables directly. Do not call add_stmt_operands for CONST_DECLs
18795 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18796 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18798 2006-01-11 Ben Elliston <bje@au.ibm.com>
18800 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18801 function returns true in the positive case.
18803 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18806 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18807 for SI, DI, SF and DF modes. Add alternatives to copy between
18808 general and floating point registers to the 32-bit patterns.
18809 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18810 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18811 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18812 generating 64-bit code.
18813 * config/pa/pa.c (output_move_double): Handle copies between general
18814 and floating registers.
18816 2006-01-10 Stuart Hastings <stuart@apple.com>
18818 * config/i386/i386.md (set_got): Update.
18819 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18820 (builtin_setjmp_receiver): Mach-O support.
18821 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18822 (GOT_SYMBOL_NAME): Define.
18823 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18824 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18825 * config/i386/i386.c (override_options): Revise for Darwin.
18826 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18827 support. (darwin_x86_file_end): New. (output_set_got): Add label
18828 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18829 * config/i386/i386-protos.h (output_set_got): Likewise.
18830 * config/darwin.c (machopic_legitimize_pic_address): Update
18833 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18835 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18836 when MODE isn't BLKmode.
18838 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18840 PR rtl-optimization/25367
18841 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18843 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18846 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18847 for a negative bound.
18849 2006-01-10 Richard Guenther <rguenther@suse.de>
18851 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18852 Never override with anything constraint.
18854 2006-01-10 Jan Beulich <jbeulich@novell.com>
18856 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18857 256 bits when optimize_size.
18859 2006-01-10 Jan Beulich <jbeulich@novell.com>
18861 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18863 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18864 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18867 2006-01-10 Ben Elliston <bje@au.ibm.com>
18869 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18871 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18872 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18873 (USE_FP_FOR_ARG): Reject decimal float modes.
18874 (function_arg_advance): Likewise.
18875 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18876 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18877 point types in AltiVec vectors.
18878 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18879 (rs6000_libcall_value): Likewise.
18881 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18883 * config/xtensa/ieee754-df.S: New file.
18884 * config/xtensa/ieee754-sf.S: New file.
18885 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18886 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18887 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18889 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18891 * config/sh/predicates.md (binary_float_operator,
18892 binary_logical_operator, commutative_float_operator,
18893 equality_comparison_operator, greater_comparison_operator,
18894 less_comparison_operator, logical_operator,
18895 noncommutative_float_operator, shift_operator,
18896 symbol_ref_operand, unary_float_operator): Remove redundant
18899 2006-01-09 Jeff Law <law@redhat.com>
18901 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18902 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18903 now unused arguments. Callers updated.
18904 (eliminate_redundant_computations): Remove now unused arguments,
18906 (local_fold): Remove, no longer used.
18907 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18909 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18910 (simplify_cond): New function.
18911 (forward_propagate_into_cond): Call simplify_cond.
18913 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18915 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18916 (*vec_extractv2di_1_sse): New.
18918 2006-01-09 Ben Elliston <bje@au.ibm.com>
18920 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18922 2006-01-08 Richard Guenther <rguenther@suse.de>
18924 * tree-ssa-structalias.c (get_constraint_for): Remove
18925 anyoffset argument.
18926 (get_constraint_for_component_ref): Likewise.
18927 (do_deref): Likewise.
18928 (get_constraint_for): Likewise.
18929 (do_structure_copy): Likewise.
18930 (handle_ptr_arith): Likewise.
18931 (find_func_aliases): Likewise. Remove unused need_anyoffset
18934 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18935 Kaz Kojima <kkojima@gcc.gnu.org>
18937 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18938 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18939 (EXTRA_CONSTRAINT_C16): Remove.
18940 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18941 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18942 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18943 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18944 constants of SHmedia. Handle nested constant expressions of
18946 (andcosts): Fix the costs for SHmedia constants.
18947 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18948 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18949 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18950 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18951 (movv4hi_i, movv2si_i): Likewise.
18952 (movsi_const): Adjust the second operand of ior so to match with
18953 the Csu constraint.
18954 (movdi_const, movdi_const_32bit): Likewise.
18955 (movdi_const_16bit+1): Don't sign-extend LOW.
18956 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18958 (*double_shori): Fix the split condition. Use GEN_INT instead
18959 of get_int_mode calls. Mask lower 16-bit of the argument of
18961 (sym2GOTPLT): Remove.
18962 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18964 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18965 instead of EXTRA_CONSTRAINT_C16.
18967 2006-01-07 Ian Lance Taylor <ian@airs.com>
18968 David Edelsohn <edelsohn@gnu.org>
18970 PR rtl-optimization/25662
18971 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18972 for constant operands instead of simplify_gen_binary.
18973 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18974 after trying simplify_binary_operation
18976 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18978 * tree.c (iterative_hash_expr): Hash decls based on UID.
18980 2006-01-06 Eric Christopher <echristo@apple.com>
18982 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18983 (TARGET_UNWIND_EMIT): Fix spelling.
18984 * target.h (gcc_target): Add except_table_label.
18985 * except.c (output_function_exception_table): Use.
18986 * varasm.c (default_emit_except_table_label): New.
18987 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18989 (asm_out): Add here.
18990 * output.h (default_emit_except_table_label): Prototype.
18991 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18992 * config/darwin.c (darwin_emit_except_table_label): Define.
18993 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18995 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18997 PR tree-optimization/18527
18998 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18999 number_of_iterations_special, number_of_iterations_exit):
19000 Move base and step of an iv to a single structure. Add
19001 no_overflow flag, and use it in # of iterations analysis.
19002 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19003 folded_casts argument.
19004 (simple_iv): Pass base and step in a structure. Set no_overflow
19006 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19007 Evaluate expensiveness of computing # of iterations instead of
19008 the final expression.
19009 * tree-scalar-evolution.h (affine_iv): New structure.
19010 (simple_iv): Declaration changed.
19011 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19012 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19013 find_givs_in_stmt): Changed due to simple_iv change.
19015 2006-01-06 Jeff Law <law@redhat.com>
19018 * tree-cfg.c (bsi_replace): Rename final argument from
19019 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19020 change (stmt -> orig_stmt).
19021 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19022 (bsi_remove): Add new argument. Remove EH information
19024 (verify_eh_throw_table_statements): New function.
19025 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19027 * tree-optimize.c (execute_free_cfg_annotations): Verify
19028 the EH throw statement table after removing annotations.
19029 * except.h (verify_eh_throw_table_statements): Prototype.
19030 * tree-flow.h (bsi_remove): Update prototype.
19031 * tree-vrp.c (remove_range_assertions): Add new argument to
19033 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19034 * tree-complex.c (expand_complex_div_wide): Likewise.
19035 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19036 * tree-tailcall.c (eliminate_tailcall): Likewise.
19037 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19038 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19039 * tree-nrv.c (tree_nrv): Likewise.
19040 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19041 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19042 (combine_blocks): Likewise.
19043 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19044 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19045 (cleanup_control_flow): Likewise.
19046 (remove_forwarder_block): Likewise.
19047 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19048 * tree-sra.c (sra_replace): Likewise.
19049 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19050 (forward_propagate_single_use_vars): Likewise.
19051 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19052 * tree-inline.c (expand_call_inline): Likewise.
19053 * tree-vect-transform.c (vect_transform_loop): Likewise.
19054 * tree-outof-ssa.c (rewrite_trees): Likewise.
19055 * tree-cfg.c (make_goto_expr_edges): Likewise.
19056 (cleanup_dead_labels): Likewise.
19057 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19058 (bsi_move_before, bsi_move_after): Likewise.
19059 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19060 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19062 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19065 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19067 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19068 on non gimple variables. Also add checks at the top for decls and
19070 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19072 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19073 and IMAGPART_EXPR for creating MUST_DEFs.
19074 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19075 and NAME_MEMORY_TAG separately from the DECLs.
19077 2006-01-06 Richard Guenther <rguenther@suse.de>
19079 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19080 annotation, if necessary.
19081 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19082 redundant calls to update_stmt.
19083 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19086 2006-01-05 Richard Henderson <rth@redhat.com>
19088 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19090 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19092 * c-typeck.c: Update copyright date.
19094 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19096 * c-typeck.c (build_c_cast): Always warn when casting
19097 from a pointer to an integer of different size, even if
19098 the node was constant.
19100 2006-01-05 Richard Guenther <rguenther@suse.de>
19102 PR tree-optimization/22555
19103 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19104 if one structure field is an array.
19105 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19106 operands even if we found a subvar, but ignore VOPs in this
19108 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19110 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19112 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19114 PR middle-end/24998
19115 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19117 2006-01-05 Richard Guenther <rguenther@suse.de>
19118 Diego Novillo <dnovillo@redhat.com>
19120 * tree-pass.h (TODO_remove_unused_locals): Define.
19121 * gimple-low.c (expand_var_p, remove_useless_vars,
19122 pass_remove_useless_vars): Remove. Update all users.
19123 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19124 (remove_unused_locals): New function.
19125 * tree-flow.h (remove_unused_locals): Declare.
19126 * passes.c (execute_todo): Call remove_unused_locals if
19127 TODO_remove_unused_locals is set.
19128 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19129 * tree-ssa-dce.c (pass_dce): Likewise.
19130 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19132 2006-01-05 Richard Guenther <rguenther@suse.de>
19134 * tree-flow.h (struct fieldoff): Decompose field to
19135 type, size and decl.
19136 * tree-ssa-alias.c (create_sft): Take type as parameter.
19137 (create_overlap_variables_for): Store type, size and decl
19138 in the fieldoff structure.
19139 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19140 of struct fieldoff.
19141 (push_fields_onto_fieldstack): Likewise.
19142 (create_variable_info_for): Likewise. Use offset for the
19143 SFT name if the decl is not available.
19145 2006-01-04 Paul Brook <paul@codesourcery.com>
19147 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19149 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19151 * lambda-code.c (can_put_in_inner_loop): Relax
19153 (can_put_after_inner_loop): New function.
19154 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19155 (perfect_nestify): Change to make copies and modify uses.
19157 2006-01-04 Richard Henderson <rth@redhat.com>
19159 Merge from gomp branch:
19160 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19161 via integer constant.
19162 (pragma_lex): Remove.
19163 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19164 rather than parsing it.
19165 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19166 handle_pragma_extern_prefix): Add %< %> quotes.
19167 (registered_pragmas): New.
19168 (c_register_pragma_1): New.
19169 (c_register_pragma): Use it.
19170 (c_register_pragma_with_expansion): Likewise.
19171 (c_invoke_pragma_handler): New.
19172 (init_pragma): Use cpp_register_deferred_pragma directly for
19174 * c-pragma.h (enum pragma_kind): New.
19175 (pragma_handler): New.
19176 (c_invoke_pragma_handler): Declare.
19177 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19179 * c-common.h (c_common_pch_pragma): Update decl.
19180 * Makefile.in (c-parser.o): Update dependencies.
19181 (GTFILES): Add c-pragma.h.
19182 * c-parser.c (struct c_token): Add pragma_kind.
19183 (struct c_parser): Add in_pragma.
19184 (c_lex_one_token): Always initialize keyword and pragma_kind.
19185 Extract data for CPP_PRAGMA.
19186 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19187 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19188 Don't allow CPP_PRAGMA_EOL if in_pragma.
19189 (c_parser_consume_pragma): New.
19190 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19191 (c_parser_skip_to_end_of_parameter): Likewise.
19192 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19193 (c_parser_skip_to_pragma_eol): New.
19194 (c_parser_external_declaration): Handle CPP_PRAGMA.
19195 (c_parser_compound_statement_nostart): Likewise.
19196 (c_parser_statement_after_labels): Likewise.
19197 (c_parser_pragma): New.
19198 (pragma_lex): Likewise.
19199 (c_parser_pragma_pch_preprocess): New.
19200 (c_parser_new): Merge into ...
19201 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19203 2006-01-04 Jeff Law <law@redhat.com>
19206 * tree-cfg.c (bsi_replace): Remove the original statement
19207 from the EH throw statement table.
19209 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19211 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19212 make the prototype extern "C" and add throw ().
19215 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19216 and pos non-negative and pos + len <= 32.
19217 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19218 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19219 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19222 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19223 as well as sizes not multiple of component size.
19226 * function.c (instantiate_expr): New function.
19227 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19228 walk its DECL_VALUE_EXPR with instantiate_expr.
19230 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19231 DW_OP_deref{,_size} if address isn't going to be added.
19233 2006-01-04 Ben Elliston <bje@au.ibm.com>
19235 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19236 * config/fp-bit.c: Likewise.
19238 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19240 * dominance.c: Add comment about why we use DFS numbering
19243 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19244 Richard Henderson <rth@redhat.com>
19246 Merge from gomp-branch:
19247 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19248 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19250 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19252 PR rtl-optimization/25578
19253 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19254 pass a parameter to simplify_shift_const if changing ASHIFTRT
19257 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19259 * builtins.c (get_builtin_sync_mem): New function.
19260 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19261 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19262 Call get_builtin_sync_mem to generate mem rtx.
19264 2006-01-03 Richard Guenther <rguenther@suse.de>
19267 * stmt.c (add_case_node): Make sure to clear overflow flags
19270 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19272 Merge from gomp-branch.
19273 * config/sparc/sync.md: New file.
19274 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19275 UNSPECV_LDSTUB): New constants.
19276 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19277 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19278 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19281 2006-01-03 Roger Sayle <roger@eyesopen.com>
19283 * combine.c (reg_subword_p): New predicate to test whether the
19284 destination of a set refers to a subword/piece of a register.
19285 (try_combine): Generalize the code to merge the setting of a
19286 pseudo to a constant followed by a set of a subword of that
19287 register to a constant.
19289 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19291 * basic-block.h (control_flow_graph): Change the type of
19292 x_label_to_block_map to VEC(basic_block,gc) *.
19293 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19294 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19296 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19297 VEC(basic_block,heap) *.
19298 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19299 ssa_prop_fini): Adjust the uses of cfg_blocks.
19301 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19303 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19305 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19306 hashing trees instead of a pointer hash.
19307 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19308 compare for MEM_EXPR.
19310 PR rtl-optimization/25130
19311 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19312 when comparing MEMs for GCSE
19314 2006-01-03 Ben Elliston <bje@au.ibm.com>
19316 * targhooks.h (default_decimal_float_supported_p): Declare.
19317 * targhooks.c (default_decimal_float_supported_p): Define.
19318 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19319 `default_decimal_float_supported_p'.
19320 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19322 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19324 * combine.c (apply_distributive_law <SUBREG>): Check
19325 TRULY_NOOP_TRUNCATION.
19327 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19329 * dwarf2out.c (have_switched_text_section): Delete.
19330 (have_multiple_function_sections): New.
19331 (have_location_lists): Make 'bool'.
19332 (add_AT_loc_list): Use 'true' not '1'.
19333 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19334 (output_loc_list): Use have_multiple_function_sections.
19335 (output_ranges): Likewise.
19336 (dwarf2out_begin_function): Set have_multiple_function_sections if
19338 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19339 Check function_section rather than DECL_SECTION_NAME.
19340 (dwarf2out_finish): Use have_multiple_function_sections.
19341 Don't clear have_location_lists.
19343 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19344 Jan Hubicka <jh@suse.cz>
19346 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19347 case of conditional jump jumping to the next instruction.
19348 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19349 cases of conditional jump jumping to the next instruction.
19351 2006-01-02 Jan Hubicka <jh@suse.cz>
19353 * i386.c (*_cost): Add COSTS_N_INSNS.
19354 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19356 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19359 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19361 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19363 * config/arm/arm.c (all_fpus): Fix comment typo.
19364 * config/darwin.c: Likewise.
19365 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19366 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19367 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19369 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19371 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19372 (rs6000_split_compare_and_swapqhi): New.
19373 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19374 (sync_compare_and_swapqhi_internal): New.
19375 * config/rs6000/rs6000-protos.h: Declare.