1 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4 * fwprop.c (loops): Remove.
5 (forward_propagate_into): Use current_loops instead of
7 (fwprop_init): Call loop_optimizer_init instead of
9 (fwprop_done): Call loop_optimizer_finalize instead of
11 (fwprop): Use current_loops instead of loops.
13 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
16 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
18 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
22 larger than BITS_PER_WORD.
24 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
28 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
29 to MAX_FIXED_MODE_SIZE.
31 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
33 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
34 (fold_builtin_fmin_fmax): New.
35 (fold_builtin_1): Use it.
37 * fold-const.c (fold_strip_sign_ops): Handle copysign.
39 2006-11-18 Richard Guenther <rguenther@suse.de>
41 * config/i386/i386.c (ix86_builtins): New array for ix86
42 builtin function decls.
43 (def_builtin): New function.
44 (def_builtin_const): Likewise.
45 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
47 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
49 * doc/invoke.texi (core2): Add item.
51 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
53 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
54 (TARGET_CPU_DEFAULT_generic): Change value.
55 (TARGET_CPU_DEFAULT_NAMES): Add core2.
56 (processor_type): Add new constant PROCESSOR_CORE2.
58 * config/i386/i386.md (cpu): Add core2.
60 * config/i386/i386.c (core2_cost): New initialized variable.
62 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
63 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
64 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
65 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
66 x86_partial_reg_dependency, x86_memory_mismatch_stall,
67 x86_accumulate_outgoing_args, x86_prologue_using_move,
68 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
69 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
70 x86_use_incdec, x86_four_jump_limit, x86_schedule,
71 x86_pad_returns): Add m_CORE2.
72 (override_options): Add entries for Core2.
73 (ix86_issue_rate): Add case for Core2.
75 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
77 * doc/invoke.texi: Fix mno-isel typo.
79 2006-11-18 Joseph Myers <joseph@codesourcery.com>
81 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
82 easy vector constant loads.
84 2006-11-18 Joseph Myers <joseph@codesourcery.com>
86 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
87 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
88 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
89 * config/rs6000/sync.md (lwsync): Emit plain sync if
92 2006-11-17 DJ Delorie <dj@redhat.com>
94 * reload1.c (reloads_unique_chain): New.
95 (reloads_conflict): Call it.
97 2006-11-17 Bob Wilson <bob.wilson@acm.org>
99 * config/xtensa/predicates.md (addsubx_operand): New.
100 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
101 (xtensa_emit_bit_branch): New.
102 (xtensa_emit_movcc): New.
103 * config/xtensa/xtensa.md (any_minmax): New code macro.
104 (minmax): New code attribute.
105 (any_cond, any_scc, any_scc_sf): New code macros.
106 (*addx2, *addx4, *addx8): Delete.
108 (*subx2, *subx4, *subx8): Delete.
110 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
111 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
112 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
113 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
114 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
115 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
116 (movsfcc_internal0, movsfcc_internal1): Likewise.
117 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
118 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
119 (xtensa_emit_bit_branch): New.
120 (xtensa_emit_movcc): New.
121 (function_arg_boundary): Add missing prototype.
123 2006-11-17 Bob Wilson <bob.wilson@acm.org>
125 * config/xtensa/xtensa.md (tstsi): Delete
127 2006-11-17 Bob Wilson <bob.wilson@acm.org>
129 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
131 2006-11-17 Bob Wilson <bob.wilson@acm.org>
133 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
135 2006-11-17 Bob Wilson <bob.wilson@acm.org>
137 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
139 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
141 * tree-vrp.c (execute_vrp): Do not update current_loops.
142 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
143 * doc/loop.texi: Remove documentation for cancelled functions.
144 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
145 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
147 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
148 (remove_path): Ensure that in delete_basic_blocks, the loops
150 (add_loop): Work on valid loop structures.
151 (loopify): Modify call of add_loop.
152 (mfb_update_loops): Removed.
153 (create_preheader): Do not update loops explicitly.
154 (force_single_succ_latches, loop_version): Do not use
155 loop_split_edge_with.
156 (loop_split_edge_with): Removed.
157 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
158 Do not use bsi_insert_on_edge_immediate_loop.
159 (split_loop_exit_edge, tree_unroll_loop): Do not use
160 loop_split_edge_with.
161 (bsi_insert_on_edge_immediate_loop): Removed.
162 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
163 use loop_split_edge_with.
164 * cfghooks.c: Include cfgloop.h.
165 (verify_flow_info): Verify that loop_father is filled iff current_loops
167 (redirect_edge_and_branch_force, split_block, delete_basic_block,
168 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
170 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
172 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
173 loop_split_edge_with.
174 (sms_schedule): Use current_loops.
175 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
176 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
178 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
179 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
180 * ifcvt.c (if_convert): Ditto.
181 * predict.c (predict_loops): Do not clear current_loops.
182 (tree_estimate_probability): Use current_loops.
183 (propagate_freq): Receive head of the region to propagate instead of
185 (estimate_loops_at_level): Do not use shared to_visit bitmap.
186 (estimate_loops): New function. Handle case current_loops == NULL.
187 (estimate_bb_frequencies): Do not allocate tovisit. Use
189 * tree-ssa-loop.c (current_loops): Removed.
190 (tree_loop_optimizer_init): Do not return loops.
191 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
192 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
193 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
194 Do not update loops explicitly.
195 * function.h (struct function): Add x_current_loops field.
196 (current_loops): New macro.
197 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
198 * loop-unroll.c (split_edge_and_insert): New function.
199 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
200 use loop_split_edge_with.
201 * loop-doloop.c (add_test, doloop_modify): Ditto.
202 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
203 * cfglayout.c (copy_bbs): Do not update loops explicitly.
204 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
205 * tree-vect-transform.c (vect_transform_loop): Do not update loops
207 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
208 (flow_loops_free): Do not free dfs_order and rc_order.
209 (flow_loops_find): Do not set dfs_order and rc_order in loops
210 structure. Do not call loops and flow info verification.
211 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
212 already belongs to some loop.
213 * cfgloop.h (struct loops): Remove struct cfg.
214 (current_loops, loop_split_edge_with): Declaration removed.
215 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
216 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
218 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
219 * basic-block.h (split_edge_and_insert): Declare.
220 * tree-cfg.c (remove_bb): Do not update loops explicitly.
222 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
224 PR tree-optimization/29801
225 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
226 (get_default_value): Use get_symbol_constant_value.
227 (set_lattice_value): ICE when the value of the constant is
229 (visit_assignment): Ignore VDEFs of read-only variables.
231 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
233 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
235 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
236 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
238 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
240 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
241 select subvars of var.
243 2006-11-17 Jakub Jelinek <jakub@redhat.com>
246 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
247 optimize if DEF doesn't have integral type.
249 2006-11-16 Mike Stump <mrs@apple.com>
251 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
252 pre-darwin9 system, unless the user asks for it directly.
253 (PREFERRED_DEBUGGING_TYPE): Likewise.
254 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
255 * config.gcc: Add suppport for darwin9.h.
256 * config/darwin9.h: Add.
257 * doc/install.texi (Specific): Clarify darwin documentation.
259 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
261 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
264 2006-11-16 Mike Stump <mrs@apple.com>
266 * Makefile.in (targhooks.o): Add $(OPTABS_H).
268 2006-11-16 Dirk Mueller <dmueller@suse.de>
270 * tree-vrp.c (get_value_range): Use XCNEW instead
272 (insert_range_assertions): Use XCNEWVEC instead
273 of XNEWVEC and memset.
274 (vrp_initialize): Same.
275 (vrp_finalize): Same.
276 * tree-ssa-ccp.c (ccp_initialize): Same.
277 * predict.c (tree_bb_level_predictions): Same.
278 * calls.c (expand_call): Same.
279 * tree-ssa-copy.c (init_copy_prop): Same.
280 (fini_copy_prop): Same.
281 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
282 of GGC_NEW and memset.
284 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
287 * gimplify.c (gimplify_expr): Only force a load for references to
288 non-BLKmode volatile values.
289 * doc/implement-c.texi (Qualifiers implementation): Document the
290 interpretation of what a volatile access is.
291 * doc/extend.texi (C++ Extensions): Rework same documentation.
293 2006-11-16 Joseph Myers <joseph@codesourcery.com>
295 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
298 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
300 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
302 (arm_neg_abssi2): Renamed from neg_abssi2.
303 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
305 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
307 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
308 number of arguments passed to local functions in SSE registers is 3.
310 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
311 number of arguments passed in SSE registers to 3.
313 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
316 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
318 (get_last_bb_insn): ... new global function.
319 (basic_block.h): Declare it.
320 * haifa-sched.c (create_recovery_block): Use it.
322 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
325 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
327 2006-11-15 Paul Brook <paul@codesourcery.com>
329 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
330 _Unwind_GetTextRelBase): Move from here ...
331 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
332 _Unwind_GetTextRelBase): ... To here.
334 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
336 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
337 addresses we generate for testing are aligned.
339 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
342 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
343 to what is the const decl is a place holder for.
345 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
347 * config/i386/i386.opt: New target option -mx87regparm.
349 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
350 and float_in_x87 variables. mmx_words, sse_words: Remove.
351 (X87_REGPARM_MAX): Define.
353 * config/i386/i386.c (override_options): Error out for
354 -mx87regparm but no 80387 support.
355 (ix86_attribute_table): Add x87regparm.
356 (ix86_handle_cconv_attribute): Update comments for x87regparm.
357 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
358 (ix86_function_x87regparm): New function.
359 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
361 (init_cumulative_args): Initialize x87_nregs and float_in_x87
363 (function_arg_advance): Process x87_nregs and x87_regno when
364 floating point argument is to be passed in 80387 register.
365 (function_arg): Pass XFmode arguments in 80387 registers for local
366 functions. Pass SFmode and DFmode arguments to local functions
367 in 80387 registers when flag_unsafe_math_optimizations is set.
369 * reg-stack.c (convert_regs_entry): Disable NaN load for
370 stack registers that are used for argument passing.
372 * doc/extend.texi: Document x87regparm function attribute.
373 * doc/invoke.texi: Document -mx87regparm.
375 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
377 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
378 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
379 arg MODE; all callers changed. Use it to determine validity per
380 machine mode instead of using Pmode for all memory references.
381 (get_address_cost): Likewise add and use new arg MEM_MODE.
383 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
384 J"orn Rennecke <joern.rennecke@st.com>
386 * combine.c (likely_spilled_retval_1): Fix masking operation.
387 (likely_spilled_retval_p): Use proper pattern for call to
388 likely_spilled_retval_1.
390 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
392 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
394 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
395 that tests for CONSTANT_POOL_ADDRESS_P.
397 2006-11-15 Jakub Jelinek <jakub@redhat.com>
399 PR tree-optimization/29581
400 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
401 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
402 type is different between Y and USE, create a temporary
403 variable, initialize it at the beginning of the body bb
404 and use it as replacement instead of Y.
406 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
409 * gimplify.c (fold_indirect_ref_rhs): Use
410 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
412 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
414 * expmed.c (emit_store_flag_1): New function.
415 (emit_store_flag): Call it. If we can't find a suitable scc insn,
417 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
418 Use do_compare_rtx_and_jump.
419 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
420 * arm.md (cstoresi4): New define_expand.
421 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
422 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
423 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
425 2006-11-14 Caroline Tice <ctice@apple.com>
427 * dwarf2out.c (debug_pubtypes_section): New static global variable.
428 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
430 (pubname_table): Redefine as a vector.
431 (pubtype_table): New static global variable, defined as a vector.
432 (pubname_table_allocated): Remove static global variable.
433 (pubname_table_in_use): Remove static global variable.
434 (PUBNAME_TABLE_INCREMENT): Remove constant.
435 (size_of_pubnames): Add parameter to deal with either pubnames or
436 pubtypes, and change code to deal with table being a vector.
437 (add_pubname): Change to deal with table being a vector.
438 (add_pubtype): New function.
439 (output_pubnames): Add parameter to deal with either pubnames or
440 pubtypes, and change code to deal with table being a vector.
441 (gen_array_type_die): Add call to add_pubtype.
442 (gen_enumeration_type_die): Add call to add_pubtype.
443 (gen_struct_or_union_type_die): Add call to add_pubtype.
444 (gen_subroutine_type_die): Add call to add_pubtype.
445 (gen_typedef_die): Add call to add_pubtype.
446 (dwarf2out_init): Add code to initialize pubname_table and
447 pubtype_table vectors; also initialize debug_pubtypes_section.
448 (prune_unused_types): Change to deal with pubnames being a vector.
449 (dwarf2out_finish): Change to deal with pubnames being a vector; add
450 pubnames table to call to output_pubnames; Add code to output pubtypes
451 table if DEBUG_PUBTYPES_SECTION is defined.
452 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
454 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
456 2006-11-14 Joseph Myers <joseph@codesourcery.com>
458 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
459 iwmmxt_nregs if TARGET_IWMMXT_ABI.
460 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
461 movv2si_internal): Support moves between core registers.
463 2006-11-14 Eric Christopher <echristo@apple.com>
465 * configure: Regenerate with autoconf 2.59.
467 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
469 Fix PR tree-optimization/27755
471 * tree-ssa-pre.c: Update comments.
472 (bb_bitmap_sets): Add pa_in and deferred member.
473 (BB_DEFERRED): New macro.
474 (maximal_set): New variable.
475 (pre_stats): Add pa_insert member.
476 (bitmap_set_and): Short circuit orig == dest.
477 (bitmap_set_subtract_values): New function.
478 (bitmap_set_contains_expr): Ditto.
479 (translate_vuses_through_block): Add phiblock argument.
480 (dependent_clean): New function.
481 (compute_antic_aux): Update for maximal_set changes.
482 (compute_partial_antic_aux): New function.
483 (compute_antic): Handle partial anticipation.
484 (do_partial_partial_insertion): New function.
485 (insert_aux): Handle partial anticipation.
486 (add_to_sets): Add to maximal set.
487 (compute_avail): Ditto.
488 (init_pre): Initialize maximal_set.
489 (execute_pre): Do partial anticipation if -O3+.
491 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
493 PR rtl-optimization/29798
495 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
496 TARGET_INSN before any other check.
497 (fwprop_init): Always calculate dominators.
498 (fwprop_done): Always free them.
500 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
502 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
505 2006-11-13 DJ Delorie <dj@redhat.com>
507 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
508 temporary for intermediates.
510 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
512 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
513 (sh_optimize_target_register_callee_saved): #if 0 the code
514 using NOTE_INSN_LOOP_{BEG,END}.
516 2006-11-13 Roger Sayle <roger@eyesopen.com>
518 * fold-const.c (optimize_bit_field_compare): Recursively call
519 fold when simplifying non-constant comparisons between bit-fields.
521 2006-11-13 Jakub Jelinek <jakub@redhat.com>
523 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
525 * configure: Rebuilt.
527 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
529 * config/rs6000/cell.md: New file.
530 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
532 (ppccell_cost): New cost matrix.
533 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
534 (rs6000_override_options): Set rs6000_always_hint to false
535 for cell. Also align functions/lables/loops to 8byte
536 for the Cell. Use PROCESSOR_CELL.
537 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
539 (rs6000_variable_issue): If the insn is a nonpipelined instruction
540 on the Cell, return 0.
541 (rs6000_adjust_cost): Add Cell cost adjustments.
542 (is_microcoded_insn): Return true for Cell microcoded
544 (is_nonpipeline_insn): New function.
545 (rs6000_issue_rate): Add PROCESSOR_CELL.
546 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
548 (rs6000_use_sched_lookahead_guard): New function.
549 (rs6000_sched_reorder): Reorder the ready list, if the second
550 to last ready insn is a nonepipeline insn on the Cell.
551 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
552 (ASM_CPU_SPEC): Add Cell.
553 * config/rs6000/rs6000.md (cpu): Add Cell.
554 (cell_micro): New Attr.
557 2006-11-13 Jakub Jelinek <jakub@redhat.com>
559 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
561 * configure: Rebuilt.
563 2006-11-13 Richard Guenther <rguenther@suse.de>
565 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
567 (ix86_expand_lfloorceil): Likewise.
568 (ix86_expand_rint): Likewise.
569 (ix86_expand_floorceildf_32): Likewise.
570 (ix86_expand_floorceil): Likewise.
571 (ix86_expand_rounddf_32): Likewise.
572 (ix86_expand_truncdf_32): Likewise.
573 (ix86_expand_round): Likewise.
575 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
576 Mark Mitchell <mark@codesourcery.com>
578 * gcc.c: Organize search path variables into $prefix relative,
579 and well-known native. Add comments.
580 (add_sysrooted_prefix): Add comment.
581 (process_command): If !gcc_exec_prefix add $prefix based paths.
582 If *cross_compile == '0', add native well-known paths.
583 Assert tooldir_base_prefix is always relative.
584 (main): If print_search_dirs, and if gcc_exec_prefix is set,
585 use this value for 'install:' path.
586 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
588 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
590 * config/i386/i386.c: Fix a typo in comment.
592 2006-11-13 Michael Matz <matz@suse.de>
594 * genemit.c (gen_expand): Allocate enough memory.
596 2006-11-13 Joseph Myers <joseph@codesourcery.com>
598 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
599 __GXX_TYPEINFO_EQUALITY_INLINE but not
600 __GXX_MERGED_TYPEINFO_NAMES.
601 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
602 __GXX_MERGED_TYPEINFO_NAMES.
603 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
604 __GXX_TYPEINFO_EQUALITY_INLINE.
606 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
607 Zdenek Dvorak <dvorakz@suse.cz>
609 PR tree-optimization/29680
610 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
613 2006-11-12 Jason Merrill <jason@redhat.com>
614 Andrew Pinski <pinskia@physics.uc.edu>
617 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
619 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
621 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
622 * tree.c (build_vector): Handle non-_CST elements.
624 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
626 * genemit.c (gen_insn): Call gen_exp with a non-null used
627 when handling multiple insns.
628 (gen_expand): Likewise.
629 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
630 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
631 (movsi_const_16bit+1): Copy operands[1].
632 (call_pcrel): Copy the call_site pattern.
633 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
635 2006-11-12 Roger Sayle <roger@eyesopen.com>
637 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
638 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
639 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
640 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
642 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
644 Fix PR tree-optimization/29587
645 * tree-ssa-structalias.c (process_constraint): Don't
646 mark address taken due only to escaped vars constraint.
648 2006-11-12 Michael Matz <matz@suse.de>
649 Roger Sayle <roger@eyesopen.com>
651 PR rtl-optimization/29797
652 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
653 BITS_BIG_ENDIAN targets.
655 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
657 * builtins.c (fold_builtin_cosh): New.
658 (fold_builtin_1): Use it.
659 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
660 trunc to the list of "odd" functions. Also add llrint, lrint,
661 rint and nearbyint when flag_rounding_math is false.
663 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
665 * tree-flow.h (name_mappings_registered_p): Declare.
666 * tree-into-ssa.c (name_mappings_registered_p): New function.
667 * tree-cfg.c (tree_can_merge_blocks_p): Check
668 name_mappings_registered_p instead of need_ssa_update_p.
670 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
672 * tree-ssa-loop.c (tree_vectorize): Return the result of
674 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
676 * tree-vectorizer.h (vectorize_loops): Declaration removed.
677 * tree-flow.h (vectorize_loops): Declaration changed.
679 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
681 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
683 (issue_prefetch_ref): Move assignment to write_p out of loop.
684 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
685 SIMULTANEOUS_PREFETCHES into account.
686 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
687 * lambda-code.c (lcm): Renamed to ...
688 (least_common_multiple): ... and exported.
689 * tree-flow.h (least_common_multiple): Declare.
691 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
693 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
694 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
695 ud-chains. Handle AND_EXPR.
696 (record_estimate): Record whether the estimate is realistic
697 and whether it is derived from a loop exit.
698 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
699 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
701 (compute_estimated_nb_iterations): Take only realistic bounds into
702 account. Set estimate_state. Use double_ints.
703 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
704 and infer_loop_bounds_from_signedness. Do not consider basic blocks
705 that do not have to be always executed.
706 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
707 to determine whether to call infer_loop_bounds_from_undefined
708 and compute_estimated_nb_iterations.
709 (n_of_executions_at_most): Use double_ints.
710 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
711 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
712 * double-int.c (double_int_to_tree): Improve comment.
713 (double_int_fits_to_tree_p): New function.
714 * double-int.h (double_int_fits_to_tree_p): Declare.
715 * tree-data-ref.c: Include langhooks.h.
716 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
717 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
718 (analyze_array): Do not pass estimate_only argument to
719 analyze_array_indexes.
720 (get_number_of_iters_for_loop): Build tree from the stored double_int
722 (get_references_in_stmt, find_data_references_in_stmt): New functions.
723 (find_data_references_in_loop): Use find_data_references_in_stmt.
724 * tree-data-ref.h (struct data_ref_loc_d): New.
725 (get_references_in_stmt): Declare.
726 (estimate_iters_using_array): Declaration removed.
727 * cfgloop.h (struct nb_iter_bound): Change type of bound to
728 double_int. Improve comments. Add is_exit and realistic
730 (struct loop): Changed type of estimated_nb_iterations to double_int.
731 Added estimate_state field.
732 (record_estimate): Declaration removed.
734 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
736 * params.c (set_param_value): Initialize the "set" field.
737 * params.h (struct param_info): Add "set" field.
738 (PARAM_SET_P): New macro.
739 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
740 L1_CACHE_LINE_SIZE): New macros.
741 * toplev.c (DEFPARAM): Initialize the "set" field.
742 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
743 SIMULTANEOUS_PREFETCHES): Removed.
744 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
745 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
746 * config/sparc/sparc.c: Include params.h.
747 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
748 L1_CACHE_LINE_SIZE parameters.
749 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
751 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
753 * config/i386/i386.c: Include params.h.
754 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
755 (override_options): Set SIMULTANEOUS_PREFETCHES and
756 L1_CACHE_LINE_SIZE parameters.
757 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
758 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
759 L1_CACHE_LINE_SIZE parameters.
760 * config/ia64/ia64.c (ia64_optimization_options): Set
761 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
762 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
764 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
765 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
766 * doc/invoke.texi: Document new params.
768 2006-11-12 Roger Sayle <roger@eyesopen.com>
770 PR tree-optimization/13827
771 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
774 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
776 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
777 update_single_exit_for_duplicated_loops): New functions.
778 (duplicate_loop_to_header_edge): Use
779 update_single_exit_for_duplicated_loops.
780 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
781 functions only with ENABLE_CHECKING.
783 2006-11-12 Andreas Schwab <schwab@suse.de>
785 * except.c (sjlj_emit_function_enter): Remove unused variable.
787 2006-11-11 Roger Sayle <roger@eyesopen.com>
789 * fold-const.c (int_binop_types_match_p): New function.
790 (size_binop): Relax constraint that both arguments must both have
791 exactly the same sizetype type. Instead use int_binop_types_match_p.
792 (size_diffop): Likewise.
794 (make_range): Use build_int_cst instead of fold_convert.
795 (fold_cond_expr_with_comparison): Use build_int_cst to construct
796 integer constants of the correct type.
797 (fold_div_compare): Likewise.
798 (fold_single_bit_test): Likewise.
799 (fold_binary): Likewise.
800 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
801 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
803 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
806 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
807 non null value if the struct memory access is in the 0th
810 2006-11-12 Jie Zhang <jie.zhang@analog.com>
813 2006-11-11 Jie Zhang <jie.zhang@analog.com>
814 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
817 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
818 instead of builtin_define for bfin and BFIN.
820 2006-11-11 Jie Zhang <jie.zhang@analog.com>
822 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
825 2006-11-11 Jan Hubicka <jh@suse.cz>
827 * extended.texi (__builtin_expect): We no longer require second argument
829 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
830 * builtins.c (expand_builtin_expect): Simplify.
831 (expand_builtin_expect_jump): Kill.
832 * final.c (final_scan_insn): Do not skip the removed notes.
833 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
834 EXPECTED_VALUE): Remove.
835 * dojump.c (do_jump): Do not care about __builtin_expect.
836 * predict.c (expected_value_to_br_prob): Kill.
837 * function.c (expand_function_end): Do not expand
838 NOTE_INSN_REPEATED_LINE_NUMBER.
839 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
840 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
841 * cfgexpand.c (add_reg_br_prob_note): Export.
842 * cfgcleanup.c (rest_of_handle_jump2): Do not call
843 expected_value_to_br_prob.
844 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
845 * rtl.h (add_reg_br_prob_note): Declare.
847 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
849 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
851 2006-11-11 Jan Hubicka <jh@suse.cz>
853 * predict.c (predict_loops): Kill RTL variant.
855 2006-11-11 Jan Hubicka <jh@suse.cz>
857 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
858 * modulo-sched.c (find_line_note): Remove.
859 (loop_canon_p): Do not worry about line number notes.
860 (sms_schedule): Likewise.
861 * cse.c (cse_main): Likewise.
862 * regmove.c (fixup_match_1): Likewise
863 * function.c (emit_return_info_block): Likewise.
864 (expand_function_end): Likewise.
865 (thread_prologue_an_epilogue_insns): Likewise.
866 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
868 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
869 emit_note_copy_after): Kill.
870 (emit_note_copy): Do not worry about line numbers.
871 * jump.c (purge_line_number_notes): Kill.
872 (pass_purge_lineno_notes): Kill.
873 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
875 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
876 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
877 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
878 * tree-pass.h (pass_purge_lineno_notes): Kill.
879 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
880 rm_redundant_line_notes.
881 * sched-rgb.c (schedule_region): Don't rm_line_notes,
882 rm_redundant_line_notes.
883 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
884 * haifa-sched.c: Update comment about handling notes.
885 (unlink_line_notes): Kill.
886 (rm_line_notes): Kill.
887 (save_line_notes): Simplify.
888 (rm_redundant_line_notes): Kill.
890 2006-11-11 Richard Guenther <rguenther@suse.de>
892 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
893 Remove unused tree codes.
894 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
895 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
896 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
897 * tree.c (stabilize_reference): Likewise.
898 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
899 fold_unary): Likewise.
900 * tree-gimple.c (is_gimple_cast): Likewise.
901 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
902 * expr.c (expand_expr_real_1): Likewise.
903 * tree-eh.c (tree_could_trap_p): Likewise.
904 * gimplify.c (gimplify_expr): Likewise.
905 * tree-inline.c (estimate_num_insns_1): Likewise.
906 * tree-cfg.c (verify_expr): Likewise.
908 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
910 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
911 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
912 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
914 2006-11-11 Richard Sandiford <richard@codesourcery.com>
917 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
918 constraints accept neither registers or memories.
920 2006-11-11 Jie Zhang <jie.zhang@analog.com>
922 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
923 (NO_PROFILE_COUNTERS): Define as 1.
925 2006-11-10 Roger Sayle <roger@eyesopen.com>
927 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
928 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
930 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
932 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
934 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
936 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
937 (fold_builtin_hypot): Likewise.
938 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
940 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
942 2006-11-10 Roger Sayle <roger@eyesopen.com>
944 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
945 when attempting to build INTEGER_CSTs of non-integral types.
946 * expmed.c (make_tree): Use the correct type, i.e. the inner
947 type, when constructing the individual elements of a CONST_VECTOR.
949 2006-11-10 Jan Hubicka <jh@suse.cz>
951 * cse.c (cse_process_notes): Copy the propagated value.
952 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
954 * gcse.c (try_replace_reg): Copy the replacement.
955 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
956 (assign_386_stack_local): Always return copied memory expression
957 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
960 2006-11-10 Jan Hubicka <jh@suse.cz>
962 * final.c (final): Walk from first instruction.
963 * cfglayout.c (insn_locators_initialize): Remove line number notes.
965 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
968 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
970 (umulv8hi3_highpart): Ditto.
971 (vec_widen_smult_hi_v8hi): New expander.
972 (vec_widen_smult_lo_v8hi): Ditto.
974 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
977 * builtins.c (do_mpfr_arg3): New.
978 (fold_builtin_1): Handle builtins fma, fmin and fmax.
980 2006-11-09 Eric Christopher <echristo@apple.com>
985 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
986 * config.gcc (powerpc64-*-darwin*): New target.
987 * config.host: Ditto.
988 * config/rs6000/darwin64.h: New file.
989 * config/rs6000/x-darwin64: Ditto.
990 * config/rs6000/host-ppc64-darwin.c: Ditto.
992 2006-11-09 Steve Ellcey <sje@cup.hp.com>
994 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
995 routines for integer division.
997 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
999 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1001 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1004 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1006 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1008 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1009 simplify_subreg with BLKmode outer mode.
1011 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1013 * doc/invoke.texi: Minor formatting fixes in option lists.
1015 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1017 PR tree-optimization/29738
1018 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1019 (ccp_lattice_t): Remove UNKNOWN_VAL.
1020 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1021 Do not handle UNKNOWN_VAL.
1022 (get_default_value): Set initial value of virtual operands to
1024 (get_value): Always use get_default_value on uninitialized
1026 (set_value_varying, surely_varying_stmt_p): New functions.
1027 (set_lattice_value): Do not pass argument to get_value.
1028 Do not handle UNKNOWN_VAL.
1029 (likely_value): Follow the semantics described in the comment.
1030 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1031 phi nodes DONT_SIMULATE_AGAIN.
1032 (ccp_fold): Do not pass argument to get_value.
1033 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1036 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1038 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1039 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1041 2006-11-08 Roger Sayle <roger@eyesopen.com>
1043 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1044 test for inclusion rather than as a test for exclusion.
1045 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1046 the condition after calling fold_binary.
1047 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1048 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1049 * builtins.c (fold_builtin_isascii): Likewise.
1050 (fold_builtin_isdigit): Likewise.
1052 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1054 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1055 * configure: Regenerate.
1057 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1059 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1060 enum argument instead of bool.
1061 (vect_analyze_operations): Call vectorizable_type_promotion.
1062 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1063 stmt_vec_info_type value.
1064 (supportable_widening_operation, vectorizable_type_promotion): New
1065 function declarations.
1066 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1067 (vectorizable_type_promotion): New function.
1068 (vect_transform_stmt): Call vectorizable_type_promotion.
1069 * tree-vect-analyze.c (supportable_widening_operation): New function.
1070 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1072 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1075 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1076 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1077 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1079 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1080 * expr.c (expand_expr_real_1): Likewise.
1081 * optabs.c (optab_for_tree_code): Likewise.
1082 (init_optabs): Initialize new optabs.
1083 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1084 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1085 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1086 vec_unpacku_lo_optab): Initialize new optabs.
1087 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1088 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1089 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1091 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1092 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1093 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1094 (vec_unpacku_lo_optab): New optabs.
1095 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1096 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1097 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1098 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1099 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1100 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1102 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1103 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1104 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1105 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1106 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1107 implement the unsigned unpacking patterns.
1108 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1109 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1110 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1111 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1112 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1113 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1114 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1115 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1116 multiplication patterns.
1118 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1119 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1120 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1121 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1122 (rs6000_builtin_mul_widen_odd): New.
1123 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1124 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1125 * tree-vectorizer.h (enum vect_relevant): New enum type.
1126 (_stmt_vec_info): Field relevant chaned from bool to enum
1128 (STMT_VINFO_RELEVANT_P): Updated.
1129 (STMT_VINFO_RELEVANT): New.
1130 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1131 instead of STMT_VINFO_RELEVANT_P.
1132 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1133 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1134 and boolean variable with enum vect_relevant.
1135 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1136 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1137 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1139 2006-11-08 Richard Henderson <rth@redhat.com>
1141 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1142 vec_widen_umult_lo_v8hi): New.
1143 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1144 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1146 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1147 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1148 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1149 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1150 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1151 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1152 vec_unpacks_lo_v4si): New.
1154 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1156 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1157 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1158 (vect_analyze_operations): Call vectorizable_type_demotion.
1159 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1160 stmt_vec_info_type value.
1161 (vectorizable_type_demotion): New function declaration.
1162 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1165 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1166 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1168 * tree-iniline.c (estimate_num_insns_1): Likewise.
1169 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1170 * optabs.c (optab_for_tree_code): Likewise.
1172 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1173 compared against the predicate of the result is not 'mode' (the input
1174 to the function) but a mode with half the size of 'mode'.
1175 (init_optab): Initialize new optabs.
1176 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1178 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1180 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1181 (vec_pack_usat_optab): Initialize new optabs.
1182 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1183 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1185 2006-11-08 Richard Henderson <rth@redehat.com>
1187 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1188 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1189 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1190 (vec_interleave_highv4si, vec_interleave_lowv4si):
1191 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1193 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1195 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1197 (vect_transform_stmt): Removed redundant code.
1199 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1201 * tree-vect-transform.c (vectorizable_operation): Support multiple
1204 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1206 * tree-vect-transform.c (vect_align_data_ref): Removed.
1207 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1208 Updated function documentation. Return the increment stmt in ptr_incr.
1209 (bump_vector_ptr): New function.
1210 (vect_get_vec_def_for_stmt_copy): New function.
1211 (vect_finish_stmt_generation): Create a stmt_info to newly created
1213 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1215 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1216 VF is greater than the number of elements that can fit in one vector
1218 (vectorizable_operation, vectorizable_condition): Likewise.
1219 (vectorizable_store, vectorizable_load): Support the case that the VF
1220 is greater than the number of elements that can fit in one vector word.
1221 (vect_transform_loop): Don't fail in case of multiple data-types.
1222 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1223 in case of multiple data-types; the smallest type determines the VF.
1224 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1225 if they are of different sizes.
1226 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1227 number of elements rather than number of bytes.
1228 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1229 (vect_can_advance_ivs_p): Fix a dump printout
1231 2006-11-07 Eric Christopher <echristo@apple.com>
1233 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1234 (__bswapsi2): Ditto.
1235 * libgcc2.h: Remove transformation of bswap routines.
1236 * config/i386/i386.md (bswapsi2): New.
1239 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1241 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1242 (handle_gnu_inline_attribute): New function.
1243 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1244 (merge_decls, start_decl, start_function): Likewise.
1245 * doc/extend.texi: Document gnu_inline attribute.
1247 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1250 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1251 _fixunstfdi, and _floatditf
1253 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1255 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1257 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1258 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1259 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1260 which start in an odd register.
1262 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1264 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1266 2006-11-07 Josh Conner <jconner@apple.com>
1268 * doc/invoke.texi (fstrict-aliasing): Move implementation
1270 * doc/tree-ssa.texi (Alias analysis): ...here.
1272 2006-11-07 Richard Guenther <rguenther@suse.de>
1274 PR tree-optimization/29610
1275 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1276 of tree_purge_dead_eh_edges as it may free dominators.
1278 * g++.dg/other/pr29610.C: New testcase.
1280 2006-11-07 David Ung <davidu@mips.com>
1282 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1283 costs when optimizing for size.
1284 (override_options): Use mips_rtx_cost_optimize_size table for cost
1287 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1289 * gcc.c (process_command): Treat -b as normal switch if its argument
1292 2006-11-07 David Ung <davidu@mips.com>
1294 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1297 2006-11-06 Eric Christopher <echristo@apple.com>
1299 * config.gcc: Add x86_64-darwin host support.
1300 * config.host: Ditto.
1301 * config/i386/darwin64.h: New file.
1302 * config/i386/t-darwin64: Ditto.
1304 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1306 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1307 and output-exists-not.
1309 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1312 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1313 checking for overflow.
1315 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1317 * configure.ac: Fixed typo in case statement: :: changed to ;;
1319 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1321 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1322 count_leading_zeros, and count_trailing_zeros.
1323 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1324 (TARGET_FOLD_BUILTIN): Define.
1325 (TARGET_EXPAND_BUILTIN): Define.
1326 (xtensa_init_builtins): New.
1327 (xtensa_fold_builtin): New.
1328 (xtensa_expand_builtin): New.
1329 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1330 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1331 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1332 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1333 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1334 (any_extend): New code macro.
1335 (u, su): New code attributes.
1336 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1337 (nsau): Remove; replaced by clzsi2.
1338 (ffssi2): Use clzsi2.
1339 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1340 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1341 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1342 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1343 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1345 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1347 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1349 * config/arm/t-strongarm-elf: Likewise.
1350 * config/arm/t-pe: Likewise.
1351 * config/arm/t-arm-elf: Likewise.
1352 * config/arm/t-xscale-elf: Likewise.
1353 * config/arm/t-arm-coff: Likewise.
1354 * config/arm/t-xscale-coff: Likewise.
1355 * config/arm/t-wince-pe: Likewise.
1357 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1359 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1362 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1365 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1368 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1371 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1372 as a valid 80387 constant.
1373 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1374 * config/i386/i386.md (unnamed splitter): Split the load of
1375 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1378 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1380 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1381 from the soft-frame, argument and virtual registers.
1383 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1385 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1386 patterns for standard 80387 constants.
1388 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1389 Steven Bosscher <steven@gcc.gnu.org>
1391 * fwprop.c: New file.
1392 * Makefile.in: Add fwprop.o.
1393 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1394 * passes.c (init_optimization_passes): Schedule forward propagation.
1395 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1397 * timevar.def (TV_FWPROP): New.
1398 * common.opt (-fforward-propagate): New.
1399 * opts.c (decode_options): Enable forward propagation at -O2.
1400 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1401 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1402 canon_for_address, table_size): Remove.
1403 (new_basic_block, insert, remove_from_table): Remove references to
1405 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1406 simplification loop more straightforward by not calling fold_rtx
1408 (equiv_constant): Move here a small part of fold_rtx_subreg,
1409 do not call fold_rtx. Call avoid_constant_pool_reference
1411 * recog.h (canonicalize_change_group): New.
1413 * doc/invoke.texi (Optimization Options): Document fwprop.
1414 * doc/passes.texi (RTL passes): Document fwprop.
1416 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1418 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1419 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1420 (grokdeclarator): Likewise.
1422 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1424 * tree-dump.c (dump_enable_all): Rename local variable
1425 ir_type to avoid name conflicts.
1426 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1427 instead of using ir_type().
1428 * profile.c (tree_register_profile_hooks): Likewise.
1429 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1430 * basic-block.h (struct edge_def): Likewise.
1431 * config/arm/arm.c (legitimize_pic_address): Likewise.
1432 * coretypes.h (ir_type): New enum of all intermediate languages
1434 * cfghooks.c (ir_type): Rename to...
1435 (current_ir_type): ...this. Distinguish between cfgrtl and
1436 cfglayout mode when the current IR is RTL. Return enum ir_type.
1437 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1439 2006-11-03 Paul Brook <paul@codesourcery.com>
1441 * config/arm/arm.c (arm_file_start): New function.
1442 (TARGET_ASM_FILE_START): Define.
1443 (arm_default_cpu): New variable.
1444 (arm_override_options): Set arm_default_cpu.
1446 2006-11-03 David Ung <davidu@mips.com>
1448 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1449 PROCESSOR_24KC and PROCESSOR_24KF.
1450 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1451 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1452 (mips_rtx_cost_data): Add costs for the 24kc.
1453 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1454 * config/mips/24k.md: Remove references to 24k and replace with
1455 uses of 24kc/24kf in the appropriate reservations.
1456 * doc/invoke.texi (MIPS Options): Updated.
1458 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1460 * config/sh/crt1.asm: Fix #ifdef indent.
1462 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1463 Merged from STMicroelectronics sources:
1464 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1465 * config/sh/crt1.asm (vbr_600): Add missing #if.
1466 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1467 * sh.opt (mfused-madd): New option.
1468 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1469 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1470 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1471 Remove pointless handler at VBR+0.
1472 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1473 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1474 fr7. Make sure the timer handler is called with the correct FPU
1475 precision setting, according to the ABI.
1476 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1477 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1478 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1479 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1480 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1481 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1482 zero as second operand.
1483 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1484 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1485 Fixed some bugs related to negative values, in particular -0
1486 and overflow at -0x80000000.
1487 * config/sh/divcost-analysis: Added sh4-300 figures.
1488 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1489 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1490 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1491 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1492 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1493 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1495 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1497 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1498 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1499 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1500 mac_mem, mem_mac, dfp_mul, fp_cmp.
1501 (insn_class, dfp_comp, any_fp_comp): Update.
1502 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1503 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1504 (muldf3_i): Likewise.
1505 (movsi_i): Split rI08 alternative into two separate alternatives.
1507 (movsi_ie, movsi_i_lowpart): Likewise.
1508 (movqi_i): Split ri alternative into two separate alternatives.
1510 * sh1.md (sh1_load_store, sh1_fp): Update.
1511 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1512 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1513 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1514 (sh4a_fp_double_arith): Likewise.
1515 * sh4-300.md: New file.
1516 * sh.c (sh_handle_option): Handle m4-300* options.
1517 (sh_adjust_cost): Fix latency of auto-increments.
1518 Handle SH4-300 differently than other SH4s. Check for new insn types.
1519 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1520 been set by an option.
1521 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1522 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1523 (mbranch-cost=): Likewise.
1524 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1526 * sh.md (mulsf3): Remove special expansion code.
1527 (mulsf3_ie): Now a define_insn_and_split.
1528 (macsf3): Allow for TARGET_SH4.
1530 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1531 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1532 (expand_cbranchdi4): Likewise.
1533 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1534 CONST_DOUBLE if the outer code is COMPARE.
1535 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1536 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1537 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1538 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1539 Remove redundant fp_{zero,one}_operand checks.
1540 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1541 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1542 (expand_cbranchdi4): Likewise.
1543 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1544 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1546 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1548 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1551 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1553 * doc/invoke.texi: Fix mfp-trap-mode typo.
1555 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1557 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1558 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1559 file_end_indicate_exec_stack.
1560 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1562 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1563 for a non-executable stack.
1564 * crti.asm: Likewise.
1565 * crtn.asm: Likewise.
1566 * libunwind.S: Likewise.
1568 2006-11-02 Ben Elliston <bje@au.ibm.com>
1570 * tree-ssa.c (warn_uninit): Use expand_location variables for
1571 locus and declaration locus.
1573 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1576 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1577 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1578 cmp{eq,gt,gtu}{si,di}_media.
1579 (*cmpne0si_media): Remove.
1580 (*movsicc_umin): Adjust gen_cmp*_media call.
1581 (unordered): Change the mode of unordered and operands[1] to
1583 (seq): Adjust gen_cmp*_media calls. Make the mode of
1584 a temporary result of compare SImode if needed. If the mode
1585 of operands[0] is DImode, extend the temporary result to DImode.
1586 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1587 (sunorderd): Change the mode of match_operand and unorderd to
1589 (cmpeq{sf,df}_media): Remove.
1590 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1591 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1592 and compare operation to SImode.
1594 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1596 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1598 (sparc64-sun-solaris2*): Likewise.
1600 2006-11-02 Paul Brook <paul@codesourcery.com>
1602 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1603 from priority argument. Use different section for non-default
1605 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1607 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1610 * except.c (switch_to_exception_section): Do not cache the section
1611 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1612 and flag_function_sections is set.
1614 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1617 * builtins.c (do_mpfr_sincos): New.
1618 (fold_builtin_1): Use it to fold builtin sincos.
1620 2006-11-01 Roger Sayle <roger@eyesopen.com>
1622 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1623 it into -D_REENTRANT.
1625 2006-11-01 Roger Sayle <roger@eyesopen.com>
1627 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1628 whether the assembler supports taking the difference of symbols in
1629 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1630 * configure: Regenerate.
1631 * config.in: Regenerate.
1632 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1633 the assembler doesn't support taking the difference of symbols in
1634 different sections, i.e. we're using the native solaris assembler.
1636 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1637 Peter Bergner <bergner@vnet.ibm.com>
1639 * doc/invoke.texi: Add cpu_type power6x
1640 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1641 * config.gcc: Add cpu_type power6x.
1642 * configure.ac: Add test for mf{t,f}gpr instructions.
1643 (HAVE_AS_MFPGPR): New.
1644 * config.in: Regenerate.
1645 * configure: Regenerate.
1646 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1647 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1648 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1649 and mftgpr attributes.
1650 (define_attr "cpu"): Add power6.
1651 Change instruction sequences to use new attributes.
1652 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1653 (fix_truncdfsi2_mfpgpr): New.
1654 (floatsidf_ppc64_mfpgpr): New.
1655 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1656 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1657 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1658 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1659 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1660 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1661 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1662 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1663 cntlz,exts and var_delayed_compare.
1664 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1665 _ARCH_PWR6X, if features enabled.
1666 * config/rs6000/rs6000.opt (mmfpgpr): New.
1667 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1668 (cached_can_issue_more): New variable.
1669 (processor_costs): Add power6_cost.
1670 (rs6000_sched_init): New function.
1671 (is_dispatch_slot_restricted): Deleted.
1672 (set_to_load_agen): New function.
1673 (is_load_insn,is_store_insn): New functions.
1674 (adjacent_mem_locations): New function.
1675 (insn_must_be_first_in_group): New function.
1676 (insn_must_be_last_in_group): New function.
1677 (rs6000_sched_reorder): New function.
1678 (rs6000_sched_reorder2): New function.
1679 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1680 TARGET_SCHED_REORDER2): Define.
1681 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1682 Add power6x. Add MASK_MFPGPR for power6x.
1683 (POWERPC_MASKS): Add MASK_MFPGPR.
1684 (rs6000_override_options): Set rs6000_always_hint to false
1685 for power6. Set rs6000_align_branch_targets. Replace
1686 rs6000_sched_groups check with rs6000_align_branch_targets.
1687 Use PROCESSOR_POWER6.
1688 (last_scheduled_insn): New variable.
1689 (load_store_pendulum): New variable.
1690 (rs6000_variable_issue): Set last_scheduled_insn and
1691 cached_can_issue_more.
1692 (rs6000_adjust_cost): Add power6 cost adjustments.
1693 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1694 with insn_must_be_first_in_group. Add power6 priority adjustments.
1695 (rs6000_issue_rate): Add CPU_POWER6.
1696 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1697 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1698 (TARGET_MFPGPR): New.
1699 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1700 (ASM_CPU_SPEC): Add power6x.
1701 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1703 * config/rs6000/power6.md: New file.
1705 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1707 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1708 HOST_WIDE_INT_PRINT to print high and low parts. Use
1709 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1710 printing a hexadecimal number prefix it with 0x.
1712 2006-11-01 Chris Johns <chris@contemporary.net.au>
1715 * Makefile.in (install-driver): Use exeext when installing
1716 $target-gcc-$version.
1718 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1720 * c-common.c (flag_cpp0x): New.
1721 * c-common.h (flag_cpp0x): New.
1722 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1723 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1724 * c-opts.c (set_std_cxx0x): New.
1725 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1726 * c.opt (std=c++0x): Document.
1727 (std=gnu++0x): Ditto.
1728 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1729 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1731 2006-11-01 Richard Guenther <rguenther@suse.de>
1733 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1735 (ix86_expand_floorceildf_32): Likewise.
1736 (ix86_expand_floorceil): Likewise.
1737 (ix86_expand_trunc): Likewise.
1739 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1741 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1744 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1746 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1748 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1750 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1752 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1753 * configure.ac (use_cxa_atexit): As a special case, don't test
1754 for libc definition of __cxa_atexit on mingw32
1755 * configure: Regenerate.
1756 * config.gcc (i[34567]86-pc-mingw32): Default to
1757 enable__cxa_atexit=yes.
1759 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1761 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1763 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1766 * c-decl.c (start_struct): Don't create self-containing
1768 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1770 * config/rs6000/rs6000-protos.h
1771 (darwin_rs6000_special_round_type_align): New.
1772 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1773 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1775 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1777 * toplev.c (compile_file): Call final_write_globals
1778 even if there have been errors.
1780 2006-10-31 Eric Christopher <echristo@apple.com>
1781 Falk Hueffner <falk@debian.org>
1783 * doc/extend.texi (__builtin_bswap32): Document.
1784 (__builtin_bswap64): Ditto.
1785 * doc/libgcc.texi (bswapsi2): Document.
1787 * doc/rtl.texi (bswap): Document.
1788 * optabs.c (expand_unop): Don't widen a bswap.
1789 (init_optabs): Init bswap. Set libfuncs explicitly
1790 for bswapsi2 and bswapdi2.
1791 * optabs.h (OTI_bswap): New.
1792 (bswap_optab): Ditto.
1793 * genopinit.c (optabs): Handle bswap_optab.
1794 * tree.h (tree_index): Add TI_UINT32_TYPE and
1796 (uint32_type_node): New.
1797 (uint64_type_node): Ditto.
1798 * tree.c (build_common_tree_nodes_2): Initialize
1799 uint32_type_node and uint64_type_node.
1800 * builtins.c (expand_builtin_bswap): New.
1801 (expand_builtin): Call.
1802 (fold_builtin_bswap): New.
1803 (fold_builtin_1): Call.
1804 * fold-const.c (tree_expr_nonnegative_p): Return true
1806 * builtin-types.def (BT_UINT32): New.
1808 (BT_FN_UINT32_UINT32): Ditto.
1809 (BT_FN_UINT64_UINT64): Ditto.
1810 * builtins.def (BUILT_IN_BSWAP32): New.
1811 (BUILT_IN_BSWAP64): Ditto.
1812 * rtl.def (BSWAP): New.
1813 * genattrtab.c (check_attr_value): New.
1814 * libgcc2.c (__bswapSI2): New.
1815 (__bswapDI2): Ditto.
1816 * libgcc2.h (__bswapSI2): Declare.
1817 (__bswapDI2): Ditto.
1818 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1819 * simplify-rtx.c (simplify_const_unary_operation): Return
1821 * libgcc-std.ver (__bwapsi2): Add.
1822 (__bswapdi2): Ditto.
1823 * reload1.c (eliminate_regs_1): Add bswap.
1824 (elimination_effects): Ditto.
1825 * config/i386/i386.h (x86_bswap): New.
1826 (TARGET_BSWAP): Use.
1827 * config/i386/i386.c (x86_bswap): Set.
1829 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1831 * coverage.c (coverage_checksum_string): Update comment.
1832 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1833 of get_file_function_name.
1834 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1835 of get_file_function_name_long.
1836 * tree.c (get_file_function_name): Rename from
1837 get_file_function_name_long; improve comment; handle 'I' and 'D'
1838 specially when the target has ctor/dtor support; remove special
1840 (get_file_function_name): Remove.
1841 * tree.h (get_file_function_name): Rename from
1842 get_file_function_name_long.
1843 (get_file_function_name): Remove prototype.
1845 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1847 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1848 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1850 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1851 Call dsymutil when compiling and linking one or more source files
1854 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1857 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1859 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1861 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1862 inline static functions in c99 mode.
1865 * doc/extend.texi (Inline): Update.
1866 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1867 * c-decl.c (current_extern_inline): Delete.
1868 (pop_scope): Adjust test for an undefined nested function.
1869 Add warning about undeclared inline function.
1870 (diagnose_mismatched_decls): Update comments. Disallow overriding
1871 of inline functions in a translation unit in C99. Allow inline
1872 declarations in C99 at any time.
1873 (merge_decls): Boolize variables. Handle C99 'extern inline'
1875 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1876 C99 inline semantics.
1877 (start_function): Don't clear current_extern_inline. Don't set
1879 (c_push_function_context): Don't push current_extern_inline.
1880 (c_pop_function_context): Don't restore current_extern_inline.
1883 * c-typeck.c (build_external_ref): Warn about static variables
1884 used in extern inline functions.
1885 * c-decl.c (start_decl): Warn about static variables declared
1886 in extern inline functions.
1888 2006-10-31 Roger Sayle <roger@eyesopen.com>
1891 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1892 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1893 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1894 or y is an even integer.
1896 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1899 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1900 * gthr-posix95.h (__gthread_active_p): Likewise.
1902 2006-10-31 Richard Guenther <rguenther@suse.de>
1904 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1905 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1906 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1907 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1908 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1909 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1910 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1911 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1914 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1916 * opts.c (decode_options): Disable CSE skip blocks.
1918 2006-10-30 Dirk Mueller <dmueller@suse.de>
1920 * c-common.h (strict_aliasing_warning): Fix whitespace.
1921 * c-decl (start_function): Move code for main decl warning ..
1922 * c-common.c (check_main_parameter_types): .. here.
1923 * c-common.h (check_main_parameter_types): Declare.
1925 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1928 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1930 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1932 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1933 be a PARALLEL containing sets. Return false when out_pat is not
1936 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1938 * config/mips/mips.md (mul<mode>3): Split into...
1939 (mulsi3, muldi3): ...these separate patterns.
1941 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1943 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1944 but with each set of options separated by spaces.
1946 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1948 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1949 dwarf_reg_size_table has been initialized.
1951 2006-10-30 Roger Sayle <roger@eyesopen.com>
1953 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1954 * ddg.c (print_ddg_edge): Likewise.
1955 * dwarf2out.c (prune_unused_types_walk): Likewise.
1956 * ifcvt.c (noce_try_cmove_arith): Likewise.
1957 * langhooks.c (add_builtin_function): Likewise.
1958 * reg-stack.c (subst_stack_regs_pat): Likewise.
1959 * tree.c (expanded_location): Likewise.
1960 * tree-dump.c (dequeue_and_dump): Likewise.
1962 2006-10-30 David Daney <ddaney@avtrex.com>
1964 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1966 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1968 PR tree-optimization/29637
1969 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1970 of the innertype is the innertype itself.
1972 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1974 * dwarf2out.c (file_name_acquire): Correct typo.
1976 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1978 * tree.h (tree_value_handle): Remove struct value_set declaration.
1979 Change value_set to bitmap_set.
1980 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1981 * tree-vn.c (get_value_handle): Made inline and moved to
1983 * tree-flow-inline.h: (has_stmt_ann): New function.
1984 * tree-ssa-pre.c (expressions): New variable.
1985 (next_expression_id): Ditto.
1986 (alloc_expression_id): New function.
1987 (struct value_set): Remove.
1988 (get_expression_id): New function.
1989 (get_or_alloc_expression_id): Ditto.
1990 (expression_for_id): Ditto.
1991 (clear_expression_ids): Ditto.
1992 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1993 (bb_value_sets): Renamed to bb_bitmap_sets.
1994 All value sets replaced with bitmap_sets.
1996 (BB_VISITED): New macro.
1997 (postorder): New variable.
1998 (add_to_value): Removed.
1999 (value_exists_in_set_bitmap): Ditto.
2000 (value_insert_into_set_bitmap): Ditto.
2003 (set_remove): Ditto.
2004 (set_contains_value): Ditto.
2005 (insert_into_set): Ditto.
2007 (find_leader): Ditto.
2008 (bitmap_set_subtract_from_value_set): Ditto.
2009 (value_insert_into_set): Ditto.
2010 (print_value_set): Ditto.
2011 (debug_value_set): Ditto.
2012 (constant_expr_p): New function.
2013 (bitmap_remove_from_set): Ditto.
2014 (bitmap_insert_into_set): Ditto.
2015 (bitmap_set_free): Ditto.
2016 (vh_compare): Ditto.
2017 (sorted_array_from_bitmap_set): Ditto.
2018 (bitmap_set_subtract): Ditto.
2019 (bitmap_set_equal): Ditto.
2020 (debug_bitmap_set): Ditto.
2021 (find_leader_in_sets): Ditto.
2022 (bitmap_set_replace_value): Modify for bitmapped sets.
2023 (phi_translate): Ditto.
2024 (phi_translate_set): Ditto.
2025 (bitmap_find_leader): Ditto.
2026 (valid_in_sets): Ditto.
2027 (union_contains_value): Ditto.
2029 (compute_antic_aux): Ditto. Mark changed blocks.
2030 (compute_antic): Ditto. Iterate in postorder and only over
2032 (compute_rvuse_and_antic_safe): Reuse postorder.
2033 (create_component_ref_by_pieces): Modify for bitmapped sets.
2034 (find_or_generate_expression): Ditto.
2035 (create_expression_by_pieces): Ditto.
2036 (insert_into_preds_of_block): Ditto.
2037 (changed_blocks): New variable.
2038 (do_regular_insertion): Broken out from insert_aux.
2039 (insert_aux): Modified for bitmapped sets.
2040 (find_existing_value_expr): New function.
2041 (create_value_expr_from): Use it.
2042 (insert_extra_phis): Removed.
2043 (print_bitmap_set): Renamed from bitmap_print_value_set.
2044 (compute_avail): Handle RETURN_EXPR.
2045 (init_pre): Modify for bitmapped sets.
2046 * tree-flow.h (has_stmt_ann): New function.
2048 2006-10-29 Roger Sayle <roger@eyesopen.com>
2050 * builtins.c (fold_builtin_floor): Check for the availability of
2051 the C99 trunc function before transforming floor into trunc.
2053 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2055 * builtins.c (fold_builtin_hypot): Rearrange recursive
2056 transformation before others, and also do ABS_EXPR. When
2057 necessary, check flag_unsafe_math_optimizations. When necessary,
2060 2006-10-29 Roger Sayle <roger@eyesopen.com>
2062 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2063 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2064 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2065 Fold -X eq/ne -Y as X eq/ne Y.
2067 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2069 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2070 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2071 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2072 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2073 Use an inclusive test for "mult" rather than "mul".
2074 (rotr<mode>3): Depend on ISA_HAS_ROR.
2075 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2077 (GENERATE_MULT3_DI): Delete.
2078 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2079 (ISA_HAS_MUL3): New macro.
2080 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2081 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2082 (ISA_HAS_CLZ_CLO): Likewise.
2083 (ISA_HAS_DCLZ_DCLO): Delete.
2084 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2085 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2086 the VR4120 and VR4130.
2087 (ISA_HAS_MACCHI): Use consistent formatting.
2088 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2089 (ISA_HAS_ROR): ...this new macro.
2090 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2091 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2092 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2094 2006-10-29 Roger Sayle <roger@eyesopen.com>
2096 PR tree-optimization/15458
2097 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2100 2006-10-29 Richard Guenther <rguenther@suse.de>
2102 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2103 (ix86_expand_truncdf_32): Likewise.
2104 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2105 trunc inline for SSE math and -fno-trapping-math and if not
2106 optimizing for size.
2107 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2108 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2109 for expanding btrunc inline for SSE math.
2111 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2113 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2114 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2115 i[34567]86-*-solaris2.1[0-9]*.
2116 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2117 Define conditionally depending on TARGET_64BIT_DEFAULT.
2118 (SPEC_32, SPEC_64): Define.
2119 (LINK_SPEC): Use them.
2120 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2122 2006-10-29 Richard Guenther <rguenther@suse.de>
2124 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2125 (ix86_expand_rounddf_32): Likewise.
2126 * config/i386/i386.c (ix86_expand_round): New function expanding
2127 round inline for SSE math and -fno-trapping-math and if not
2128 optimizing for size.
2129 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2130 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2131 round via ix86_expand_round.
2133 2006-10-29 Richard Guenther <rguenther@suse.de>
2135 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2136 (ix86_expand_floorceildf_32): Likewise.
2137 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2138 static helper function.
2139 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2141 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2142 * config/i386/i386.md (floordf2): Adjust to enable floor
2143 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2144 -fno-trapping-math is enabled and if not optimizing for size.
2145 (floorsf2, ceildf2, ceilsf2): Likewise.
2146 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2147 (sse2_maskcmpdf3): Likewise.
2149 2006-10-29 Richard Guenther <rguenther@suse.de>
2151 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2152 rint in case -fno-trapping-math is enabled.
2153 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2154 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2155 (ix86_expand_sse_fabs): Likewise.
2156 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2157 * config/i386/i386.md (rintdf2): Enable for SSE math if
2158 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2159 (rintsf2): Likewise.
2161 2006-10-29 Richard Guenther <rguenther@suse.de>
2163 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2164 to conversion optabs.
2165 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2166 as conversion optab.
2167 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2168 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2169 (lfloor_optab, lceil_optab): Adjust defines.
2170 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2171 lfloor and lceil optabs now being conversion optabs.
2172 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2173 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2174 New static helper function.
2175 (ix86_expand_lfloorceil): New function to expand lfloor and
2177 * config/i386/i386.md (lfloor<mode>2): Split into ...
2178 (lfloorxf<mode>2): ... x87 variant
2179 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2180 using ix86_expand_lfloorceil.
2181 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2183 * doc/md.texi (lfloorMN, lceilMN): Document.
2185 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2187 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2188 -mno-shared assembler option on mips targets.
2189 * configure, config.in: Regenerate.
2190 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2191 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2192 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2194 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2196 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2197 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2199 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2201 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2202 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2205 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2208 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2209 (fold_builtin_pow): Evaluate constant arguments at compile-time
2211 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2212 (do_mpfr_ckconv): New helper function.
2213 (do_mpfr_arg1): Use do_mpfr_ckconv.
2214 (do_mpfr_arg2): New.
2216 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2219 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2220 (-fdump-rtl-sched): Rename to ..
2221 (-fdump-rtl-sched1): here. Also fix file extension number.
2223 2006-10-28 Richard Guenther <rguenther@suse.de>
2225 * fold-const.c (maybe_canonicalize_comparison): Fix code
2228 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2230 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2231 (NON_QI_REG_P): Use IN_RANGE.
2232 (REX_INT_REGNO_P): Use IN_RANGE.
2233 (FP_REGNO_P): Use IN_RANGE.
2234 (SSE_REGNO_P): Use IN_RANGE.
2235 (REX_SSE_REGNO_P): Use IN_RANGE.
2236 (MMX_REGNO_P): Use IN_RANGE.
2237 (STACK_REGNO_P): New macro.
2238 (STACK_REG_P): Use STACK_REGNO_P.
2239 (NON_STACK_REG_P): Use STACK_REGNO_P.
2240 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2241 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2242 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2243 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2244 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2246 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2248 * except.h (output_function_exception_table): Add 'const char*' param.
2249 * except.c (switch_to_exception_section): Add 'const char*' param.
2250 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2251 and flag_function_sections is set, use a function-specific section.
2252 (output_function_exception_table): Add 'const char*' param.
2253 Adjust call to switch_to_exception_section.
2254 * final.c (rest_of_handle_final): Adjust calls to
2255 output_function_exception_table.
2256 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2257 * config.in: Regenerate.
2258 * configure: Likewise.
2260 2006-10-28 Richard Guenther <rguenther@suse.de>
2263 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2264 for maybe_canonicalize_comparison.
2265 (maybe_canonicalize_comparison): New function for canonicalizing
2267 (fold_comparison): Call it to canonicalize comparisons with
2270 2006-10-28 Richard Guenther <rguenther@suse.de>
2273 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2274 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2275 (expand_builtin): Adjust likewise.
2276 * genopinit.c (optabs[]): Add lround optab.
2277 * optabs.c (init_optabs): Initialize lround_optab.
2278 * optabs.h (enum convert_optab_index): Add COI_lround.
2279 (lround_optab): Define.
2280 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2281 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2283 (ix86_expand_lround): New function.
2284 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2286 * doc/md.texi (lroundMN2): Document.
2288 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2291 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2292 argument to HOST_WIDE_INT. Update function prototype.
2293 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2294 "size" argument to HOST_WIDE_INT. Update function prototype.
2296 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2298 * config/i386/i386.c (output_387_ffreep): Create output from a
2299 template string for !HAVE_AS_IX86_FFREEP.
2301 2006-10-27 Eric Christopher <echristo@apple.com>
2303 * config/darwin.c: Fix formatting and grammar.
2305 2006-10-27 Jan Hubicka <jh@suse.cz>
2307 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2308 to be thrown away soon when IGNORE is set.
2309 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2310 indicating when return value shall not be computed.
2311 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2313 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2315 * config/i386/i386.h (TARGET_GEODE):
2316 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2317 (TARGET_CPU_DEFAULT_geode): New macro.
2318 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2319 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2320 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2321 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2322 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2324 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2325 (processor_type): Add PROCESSOR_GEODE.
2327 * config/i386/i386.md: Include geode.md.
2330 * config/i386/i386.c (geode_cost): New initialized global
2332 (m_GEODE, m_K6_GEODE): New macros.
2333 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2334 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2335 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2336 x86_schedule): Use m_K6_GEODE instead of m_K6.
2337 (x86_movx, x86_cmove): Set up m_GEODE.
2338 (x86_integer_DFmode_moves): Clear m_GEODE.
2339 (processor_target_table): Add entry for geode.
2340 (processor_alias_table): Ditto.
2342 * config/i386/geode.md: New file.
2344 * doc/invoke.texi: Add entry about geode processor.
2346 2006-10-27 Mike Stump <mrs@apple.com>
2348 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2349 __DYNAMIC__ from here back to ...
2350 * config/darwin.h (CPP_SPEC): ... here.
2352 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2353 Nathan Sidwell <nathan@codesourcery.com>
2355 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2356 when choosing the minimum heapsize.
2358 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2360 * gcc/unwind-dw2.h: Move cfa-related variables into
2361 struct frame_state_reg_info to ensure that the CFA is properly
2362 handled when executing DW_CFA_{remember,restore}_state.
2363 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2364 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2365 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2366 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2367 gcc/config/rs6000/linux-unwind.h,
2368 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2369 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2370 Modify to use new cfa_* fields.
2372 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2374 * config/s390/s390.c (s390_init_frame_layout): Check positive
2377 2006-10-26 Ben Elliston <bje@au.ibm.com>
2379 * gimplify.c (get_name): Remove extraneous break.
2380 (gimplify_omp_for): Initialise ret with GS_OK.
2382 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2384 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2385 Add unix98.o to link line.
2387 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2391 Calculate compile-time constants using MPFR.
2392 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2393 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2395 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2397 * config/xtensa/lib2funcs.S: Use C-style comments.
2399 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2401 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2402 (file_table_relative_p): Likewise.
2403 (dwarf2out_finish): Likewise.
2404 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2406 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2408 * tree-ssa-structalias.c (intra_create_variable_infos):
2409 Don't recreate nonlocal_all if it already exists.
2411 2006-10-25 Richard Guenther <rguenther@suse.de>
2414 * optabs.h (enum optab_index): Remove OTI_lrint.
2415 (enum convert_optab_index): Add COI_lrint.
2416 (lrint_optab): Adjust.
2417 (expand_sfix_optab): Declare.
2418 * optabs.c (expand_sfix_optab): New function.
2419 (init_optabs): Init lrint_optab as conversion optab.
2420 * genopinit.c (lrint_optab): Change to a conversion optab.
2421 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2422 expansion via conversion optab.
2423 * config/i386/i386.md (*fistdi2_1): Remove
2424 flag_unsafe_math_optimizations guard.
2425 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2426 fist<mode>2_with_temp): Likewise.
2427 (lrint<mode>2): Split into...
2428 (lrintxf<mode>2): ... x87 part
2429 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2430 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2431 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2432 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2433 * doc/md.texi (lrintMN2): Document.
2435 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2438 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2439 Use inc and dec instructions for TARGET_USE_INCDEC.
2440 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2441 ("sync_double_compare_and_swap<mode>"): Likewise.
2442 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2443 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2444 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2445 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2446 ("sync_old_add<mode>"): Likewise.
2447 ("sync_lock_test_and_set<mode>"): Likewise.
2448 ("sync_lock_test_and_set<mode>"): Likewise.
2449 ("sync_add<mode>"): Likewise.
2450 ("sync_sub<mode>"): Likewise.
2451 ("sync_ior<mode>"): Likewise.
2452 ("sync_and<mode>"): Likewise.
2453 ("sync_xor<mode>"): Likewise.
2455 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2457 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2458 (remainder_optab): Define corresponding macro.
2459 (drem_optab): Remove.
2460 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2461 drem_optab initialization.
2462 * genopinit.c (optabs): Implement remainder_optab using
2463 remainder?f3 patterns. Remove drem_optab.
2464 * builtins.c (expand_builtin_mathfn_2): Handle
2465 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2466 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2467 expand_builtin_mathfn_2.
2469 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2470 depend on flag_unsafe_math_optimizations.
2472 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2473 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2474 Do not depend on flag_unsafe_math_optimizations. Use
2475 truncxf?f expander instead of truncxf?f_i387_noop.
2477 ("fpremxf4", "fprem1xf4"): Do not depend on
2478 flag_unsafe_math_optimizations.
2479 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2480 flag_unsafe_math_optimizations. Use truncxf?f expander
2481 instead of truncxf?f_i387_noop.
2483 * doc/md.texi (fmod, remainder): Document standard named pattern.
2485 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2486 David Daney <ddaney@avtrex.com>
2489 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2491 2006-10-25 Ben Elliston <bje@au.ibm.com>
2493 * doc/extend.texi (Variable Attributes): Typo fix.
2495 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2497 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2498 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2499 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2500 (FRAME_POINTER_REGNUM): Update register number to 21.
2501 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2502 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2504 * config/i386/i386.c (regclass_map): Add fpcr entry.
2505 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2507 (print_reg): Assert REGNO (x) != FPCR_REG.
2509 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2510 (DIRFLAG_REG): Renumber.
2511 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2512 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2513 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2514 hardcoded SSE register numbers.
2516 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2517 hardcoded MMX register numbers.
2519 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2522 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2523 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2525 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2526 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2527 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2528 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2530 2006-10-24 Richard Guenther <rguenther@suse.de>
2533 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2534 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2535 for deciding optimizations in consistency with fold-const.c
2536 (fold_builtin_unordered_cmp): Likewise.
2538 2006-10-24 Richard Guenther <rguenther@suse.de>
2540 * builtins.c (fold_builtin_floor): Fold floor (x) where
2541 x is nonnegative to trunc (x).
2542 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2543 nonnegative to FIX_TRUNC_EXPR.
2545 2006-10-24 Richard Guenther <rguenther@suse.de>
2547 PR tree-optimization/29567
2548 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2549 for TRUTH_NOT_EXPR. Clarify comments.
2551 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2554 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2555 at compile-time using MPFR. Change parameter VALUE to FUNC,
2557 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2558 for overflow and underflow at all times and avoid folding in
2561 2006-10-24 Ben Elliston <bje@au.ibm.com>
2563 * reload1.c: Formatting fixes.
2565 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2567 PR tree-optimization/14784
2568 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2569 * tree-ssa-structalias.c (get_constraint_for,
2570 intra_create_variable_infos): Set is_heapvar.
2571 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2572 non-heapvar pointer variables specially.
2574 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2577 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2578 fold_builtin_tan): Fold all constant arguments. Take a "type"
2579 argument as necessary.
2580 (do_mpfr_arg1): New.
2581 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2583 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2585 * config/xtensa/lib1funcs.asm: Use C-style comments.
2587 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2589 * tree.c (local_define_builtin): Replace calls to
2590 lang_hooks.builtin_function with add_builtin_function.
2591 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2593 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2595 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2596 common code to add_builtin_function.
2597 * langhooks.c (add_builtin_function): New function.
2598 (lhd_builtin_function): New function.
2599 * langhooks.h (struct lang_hooks): Change the signature of
2601 (add_builtin_function): New function.
2602 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2603 calls to lang_hooks.builtin_function with add_builtin_function.
2604 * c-common.c (decl_builtin_1): Replace calls to
2605 lang_hooks.builtin_function with add_builtin_function.
2606 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2607 lang_hooks.builtin_function with add_builtin_function.
2608 * config/frv/frv.c (def_builtin): Replace calls to
2609 lang_hooks.builtin_function with add_builtin_function.
2610 * config/s390/s390.c (s390_init_builtins): Replace calls to
2611 lang_hooks.builtin_function with add_builtin_function.
2612 * config/sparc/sparc.c (def_builtin): Replace calls to
2613 lang_hooks.builtin_function with add_builtin_function.
2614 * config/i386/i386.c (def_builtin): Replace calls to
2615 lang_hooks.builtin_function with add_builtin_function.
2616 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2617 lang_hooks.builtin_function with add_builtin_function.
2618 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2619 lang_hooks.builtin_function with add_builtin_function.
2620 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2621 Replace calls to lang_hooks.builtin_function with
2622 add_builtin_function.
2623 * config/iq2000/iq2000.c (def_builtin):
2624 Replace calls to lang_hooks.builtin_function with
2625 add_builtin_function.
2626 * config/ia64/ia64.c (def_builtin): Replace calls to
2627 lang_hooks.builtin_function with add_builtin_function.
2628 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2629 lang_hooks.builtin_function with add_builtin_function.
2630 (altivec_init_builtins): Replace calls to
2631 lang_hooks.builtin_function with add_builtin_function.
2632 * config/arm/arm.c (def_mbuiltin): Replace calls to
2633 lang_hooks.builtin_function with add_builtin_function.
2634 (arm_init_tls_builtins): Replace calls to
2635 lang_hooks.builtin_function with add_builtin_function.
2636 * config/mips/mips.c (mips_init_builtins): Replace calls to
2637 lang_hooks.builtin_function with add_builtin_function.
2638 * config/bfin/bfin.c (def_builtin): Replace calls to
2639 lang_hooks.builtin_function with add_builtin_function.
2640 * langhooks-def.h (lhd_builtin_function): New function.
2641 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2643 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2645 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2646 BUILT_IN_STRNCAT_CHK.
2648 2006-10-23 Jan Hubicka <jh@suse.cz>
2650 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2651 don't do conversion from memmove to memcpy here.
2652 (expand_builtin_bcopy, expand_builtin): Update call of
2653 expand_builtin_memmove.
2654 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2656 2006-10-23 Paul Brook <paul@codesourcery.com>
2658 * stor-layout.c (start_record_layout): maximum_field_alignment
2659 overrides STRUCTURE_SIZE_BOUNDARY.
2661 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2663 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2664 nonlocal function symbols if flag_pic.
2666 2006-10-23 Richard Guenther <rguenther@suse.de>
2670 * builtins.c (fold_binary): Remove checks for flag_wrapv
2671 and flag_trapv where negate_expr_p covers these cases.
2673 2006-10-23 Richard Guenther <rguenther@suse.de>
2676 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2677 of two on the absolute value.
2678 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2679 and negating -C does not overflow.
2681 2006-10-23 Richard Guenther <rguenther@suse.de>
2684 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2685 only if not flag_rounding_math.
2687 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2688 Kaz Kojima <kkojima@gcc.gnu.org>
2691 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2692 SImode memory reference for the source of a movua.
2693 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2694 (movua): Use an unspec instead of sign_extract. Expect the source
2695 to have mode BLKmode.
2696 (extv, insv): Use a BLKmode rather than SImode memory reference
2697 for the source of a movua.
2699 2006-10-22 Jeff Law <law@redhat.com>
2700 Richard Guenther <rguenther@suse.de>
2702 PR tree-optimization/15911
2703 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2704 (register_edge_assert_for_1): Likewise.
2705 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2706 (find_conditional_asserts): Adjust for new function signature.
2707 (find_assert_locations): Likewise.
2709 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2711 * config/i386/tmmintrin.h: Remove the duplicated content.
2713 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2715 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2716 (x86_64-*-*): Likewise.
2718 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2719 (override_options): Check SSSE3.
2720 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2721 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2722 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2723 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2724 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2725 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2726 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2727 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2728 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2729 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2730 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2731 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2732 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2733 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2734 IX86_BUILTIN_PABSD128.
2735 (bdesc_2arg): Add SSSE3.
2736 (bdesc_1arg): Likewise.
2737 (ix86_init_mmx_sse_builtins): Support SSSE3.
2738 (ix86_expand_builtin): Likewise.
2739 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2741 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2742 (UNSPEC_PSIGN): Likewise.
2743 (UNSPEC_PALIGNR): Likewise.
2744 Include mmx.md before sse.md.
2746 * config/i386/i386.opt: Add -mssse3.
2748 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2749 (ssse3_phaddwv4hi3): Likewise.
2750 (ssse3_phadddv4si3): Likewise.
2751 (ssse3_phadddv2si3): Likewise.
2752 (ssse3_phaddswv8hi3): Likewise.
2753 (ssse3_phaddswv4hi3): Likewise.
2754 (ssse3_phsubwv8hi3): Likewise.
2755 (ssse3_phsubwv4hi3): Likewise.
2756 (ssse3_phsubdv4si3): Likewise.
2757 (ssse3_phsubdv2si3): Likewise.
2758 (ssse3_phsubswv8hi3): Likewise.
2759 (ssse3_phsubswv4hi3): Likewise.
2760 (ssse3_pmaddubswv8hi3): Likewise.
2761 (ssse3_pmaddubswv4hi3): Likewise.
2762 (ssse3_pmulhrswv8hi3): Likewise.
2763 (ssse3_pmulhrswv4hi3): Likewise.
2764 (ssse3_pshufbv16qi3): Likewise.
2765 (ssse3_pshufbv8qi3): Likewise.
2766 (ssse3_psign<mode>3): Likewise.
2767 (ssse3_psign<mode>3): Likewise.
2768 (ssse3_palignrti): Likewise.
2769 (ssse3_palignrdi): Likewise.
2770 (abs<mode>2): Likewise.
2771 (abs<mode>2): Likewise.
2773 * config/i386/tmmintrin.h: New file.
2775 * doc/extend.texi: Document SSSE3 built-in functions.
2777 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2779 2006-10-22 Ira Rosen <irar@il.ibm.com>
2781 * tree-vect-transform.c (vectorizable_load): Use the type of the
2782 return value of the mask_for_load builtin to create realign_load
2785 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2787 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2790 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2792 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2793 (UNSPEC_LDDQU): This.
2794 * config/i386/sse.md (sse3_lddqu): Updated.
2796 2006-10-21 Richard Guenther <rguenther@suse.de>
2798 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2799 (expand_builtin): Use it to expand lrint instead of
2800 expand_builtin_mathfn.
2802 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2805 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2806 flag_unsafe_math_optimizations is set.
2808 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2811 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2812 patterns to use memory input operand in x87->mem->XMM
2813 reload sequences. Skip transformation for TARGET_K8.
2815 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2817 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2818 force operand1 to register if both operands are memory operands.
2819 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2820 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2821 if both operands are memory operands.
2822 (truncdfsf2): Do not force operand1 to register if both operands
2823 are memory operands.
2825 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2827 * Makefile.in (LIBS): Add $(GMPLIBS).
2828 * doc/install.texi: Update GMP and MPFR requirements.
2829 * doc/sourcebuild.texi (need_gmp): Delete.
2831 2006-10-21 Richard Guenther <rguenther@suse.de>
2833 PR tree-optimization/3511
2834 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2835 got new invariant arguments during PHI translation.
2837 2006-10-21 Richard Guenther <rguenther@suse.de>
2840 * fold-const.c (fold_comparison): Fold signed comparisons
2841 of the form X +- C1 CMP Y +- C2.
2843 2006-10-21 Richard Guenther <rguenther@suse.de>
2846 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2847 if flag_unsafe_math_optimizations is specified. We have
2848 flag_finite_math_only for that.
2849 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2850 or flag_unsafe_math_optimizations.
2852 2006-10-21 Richard Guenther <rguenther@suse.de>
2854 * builtins.c (fold_builtin_classify): Fix typo.
2856 2006-10-21 Richard Guenther <rguenther@suse.de>
2859 * simplify-rtx.c (simplify_const_relational_operation):
2860 Do not constant-fold ORDERED and UNORDERED for
2861 flag_unsafe_math_optimizations but only we do not need to
2862 honor NaNs for the given mode.
2864 2006-10-21 Richard Guenther <rguenther@suse.de>
2867 * config/i386/i386.c (classify_argument): Remove redundant
2868 walking of the BINFOs.
2869 (contains_128bit_aligned_vector_p): Likewise.
2871 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2873 * BASE-VER: Set to 4.3.0.
2875 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2877 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2878 (tree_decl_with_vis): Remove artificial_pta_var flag.
2879 * tree-flow.h (referenced_var_check_and_insert): Expose.
2880 (nonlocal_all): New prototype.
2881 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2882 (nonlocal_all): Make global.
2883 (nonlocal_lookup): Remove.
2884 (nonlocal_insert): Ditto.
2885 (create_nonlocal_var): Do not call nonlocal_insert.
2886 (get_nonlocal_id_for_type): Remove.
2887 (find_global_initializers): Mark new vars we find for renaming.
2888 (intra_create_variable_infos): Only create one nonlocal.
2889 (expand_nonlocal_solutions): Remove.
2890 (compute_points_to_sets): Don't call it.
2891 (ipa_pta_execute): Ditto.
2892 (init_alias_heapvars): Don't create nonlocal_for_type.
2893 (delete_alias_heapvars): Don't remove it.
2894 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2897 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2899 * doc/install.texi (Downloading GCC): Clarify mention of
2900 Fortran in the "full distribution" description.
2902 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2904 Fix PR tree-optimization/28778
2905 Fix PR tree-optimization/29156
2906 Fix PR tree-optimization/29415
2907 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2908 (tree_decl_with_vis): Add artificial_pta_var flag.
2909 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2910 pushed into callers.
2911 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2912 (nonlocal_all): Ditto.
2913 (struct variable_info): Add directly_dereferenced member.
2914 (var_escaped_vars): New variable.
2915 (escaped_vars_tree): Ditto.
2916 (escaped_vars_id): Ditto.
2917 (nonlocal_vars_id): Ditto.
2918 (new_var_info): Set directly_dereferenced.
2919 (graph_size): New variable
2920 (build_constraint_graph): Use graph_size.
2921 (solve_graph): Don't process constraints that cannot change the
2922 solution, don't try to propagate an empty solution to our
2924 (process_constraint): Set directly_dereferenced.
2925 (could_have_pointers): New function.
2926 (get_constraint_for_component_ref): Don't process STRING_CST.
2927 (nonlocal_lookup): New function.
2928 (nonlocal_insert): Ditto.
2929 (create_nonlocal_var): Ditto.
2930 (get_nonlocal_id_for_type): Ditto.
2931 (get_constraint_for): Allow results vector to be empty in the case
2932 of string constants.
2933 Handle results of calls properly.
2934 (update_alias_info): Update alias info stats on number and type of
2936 (find_func_aliases): Use could_have_pointers.
2937 (make_constraint_from_escaped): Renamed from
2938 make_constraint_to_anything, and changed to make constraints from
2940 (make_constraint_to_escaped): New function.
2941 (find_global_initializers): Ditto.
2942 (create_variable_info_for): Make constraint from escaped to any
2943 global variable, and from any global variable to the set of
2945 (intra_create_variable_infos): Deal with escaped instead of
2946 pointing to anything.
2947 (set_uids_in_ptset): Do type pruning on directly dereferenced
2949 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2950 (init_base_vars): Fix comment, and initialize escaped_vars.
2951 (need_to_solve): Removed.
2952 (find_escape_constraints): New function.
2953 (expand_nonlocal_solutions): Ditto.
2954 (compute_points_to_sets): Call find_escape_constraints and
2955 expand_nonlocal_solutions.
2956 (delete_points_to_sets): Don't fall off the end of the graph.
2957 (init_alias_heapvars): Initialize nonlocal_for_type and
2959 (delete_alias_heapvars): Free nonlocal_for_type and null out
2962 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2964 * fold-const.c (add_double): Rename to add_double_with_sign.
2965 Add 'unsigned_p' parameter and take it into account for the overflow.
2966 (mul_double): Rename to mul_double_with_sign.
2967 Add 'unsigned_p' parameter and take it into account for the overflow.
2968 (fold_div_compare): Call add_double_with_sign instead of add_double
2969 and mul_double_with_sign instead of mul_double, passing them the
2970 unsignedness of the type.
2971 * tree.h (add_double): Macroize.
2972 (add_double_with_sign): New prototype.
2973 (mul_double): Macroize.
2974 (mul_double_with_sign): New prototype.
2976 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2978 * config/score/crti.asm: New file.
2979 * config/score/crtn.asm: New file.
2980 * config/score/elf.h: New file.
2981 * config/score/mac.md: New file.
2982 * config/score/misc.md: New file.
2983 * config/score/mul-div.S: New file.
2984 * config/score/predicates.md: New file.
2985 * config/score/score7.md: New file.
2986 * config/score/score.c: New file.
2987 * config/score/score-conv.h: New file.
2988 * config/score/score.h: New file.
2989 * config/score/score.md: New file.
2990 * config/score/score-mdaux.c: New file.
2991 * config/score/score-mdaux.h: New file.
2992 * config/score/score-modes.def: New file.
2993 * config/score/score.opt: New file.
2994 * config/score/score-protos.h: New file.
2995 * config/score/score-version.h: New file.
2996 * config/score/t-score-elf: New file.
2997 * config.gcc: Add score*-*-* configurations(Update before).
2998 * doc/invoke.texi (Score Options): New section.
2999 * doc/md.texi (Score family): New section to document constraints.
3001 2006-10-19 Nick Clifton <nickc@redhat.com>
3003 * config/arm/arm.c: Fix spelling typo.
3005 2006-10-18 Tom Tromey <tromey@redhat.com>
3007 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3009 2006-10-18 Jan Hubicka <jh@suse.cz>
3012 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3015 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3017 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3018 TSI_SAME_STMT, since that's the desired entity.
3020 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3022 * config/s390/contraints.md: New file.
3023 * config/s390/s390-protos.h (s390_mem_constraint,
3024 s390_O_constraint_str, s390_N_constraint_str,
3025 s390_float_const_zero_p): Function prototypes added.
3026 * config/s390/s390.c (s390_extra_constraint_str,
3027 s390_const_double_ok_for_constraint_p,
3028 s390_const_ok_for_constraint_p): Functions removed.
3029 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3030 s390_float_const_zero_p): New functions.
3031 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3032 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3033 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3034 Macro definitions removed.
3035 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3036 s390_extra_constraint_str): Functions removed.
3038 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3039 Richard Sandiford <richard@codesourcery.com>
3042 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3043 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3045 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3047 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3048 (DWARF2_FRAME_REG_OUT): Likewise.
3049 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3050 (DWARF2_FRAME_REG_OUT): Likewise.
3052 2006-10-17 Paul Brook <paul@codesourcery.com>
3054 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3056 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3058 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3059 Standardize on "GNU Fortran" as the official name of the Fortran
3062 2006-10-16 Mike Stump <mrs@apple.com>
3064 * doc/invoke.texi (Darwin Options): Document -mkernel.
3065 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3067 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3068 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3069 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3070 (OS_MISSING_ALTIVEC): Add.
3071 * config/i386/i386.c (override_options): Add
3072 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3073 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3074 -mkernel, -static or -mdynamic-no-pic is given.
3075 (C_COMMON_OVERRIDE_OPTIONS): Add.
3076 * config/darwin.opt (fapple-kext): Add.
3078 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3079 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3081 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3082 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3083 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3084 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3085 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3086 (flag_mkernel): Add.
3087 (flag_apple_kext): Add.
3088 (TARGET_KEXTABI): Add.
3089 * config/darwin.c (darwin_handle_kext_attribute): Add.
3090 (DARWIN_VTABLE_P): Add.
3091 (darwin_binds_local_p): Add partial support for rebinding vtables
3093 (darwin_kextabi_p): Add.
3094 (darwin_override_options): Add.
3095 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3096 (darwin_kextabi_p): Add.
3097 (darwin_override_options): Add.
3098 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3099 __DYNAMIC__ and __STATIC__ here.
3101 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3103 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3104 Added mention of "make pdf" target, and Texinfo requirements for
3107 2006-10-16 DJ Delorie <dj@redhat.com>
3109 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3110 into the GOT in case we need a subreg of the address.
3112 2006-10-16 Richard Guenther <rguenther@suse.de>
3115 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3116 SSE builtin documentation. Document SSE2 builtins.
3118 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3120 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3121 symbol in the output file for non-shared links when -nostdlib or
3122 -nodefaultlibs isn't specified.
3124 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3125 posix thread support.
3127 2006-10-15 Jan Hubicka <jh@suse.cz>
3130 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3131 declared always_inline even when not inlining.
3133 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3134 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3135 Andrew Pinski <pinskia@gmail.com>
3138 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3140 2006-10-15 Jan Hubicka <jh@suse.cz>
3141 Richard Guenther <rguenther@suse.de>
3144 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3145 process_function_and_variable_attributes on all variables, including
3146 those discovered during cgraph construction phase.
3148 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3150 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3152 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3154 * config/i386/athlon.md (athlon_fist): Add fisttp.
3156 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3157 Ian Lance Taylor <ian@airs.com>
3160 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3161 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3164 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3166 * config/score/score.c, config/score/score.h: Fix comment
3169 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3175 2006-10-13 Eric Christopher <echristo@apple.com>
3177 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3179 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3182 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3183 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3184 alignment supported by 32-bit ELF.
3186 2006-10-13 Eric Christopher <echristo@apple.com>
3188 * config/darwin.c (darwin_emit_unwind_label): Strip
3189 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3191 2006-10-13 Richard Guenther <rguenther@suse.de>
3193 PR tree-optimization/29446
3194 * tree-vrp.c (fix_equivalence_set): Remove.
3195 (extract_range_from_assert): Do not call fix_equivalence_set.
3196 (debug_value_range): Print a newline.
3197 (compare_name_with_value): For equivalence sets with
3198 inconsistent value ranges conservatively bail out.
3199 (compare_names): Likewise.
3201 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3203 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3204 and MPFR for gfortran.
3206 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3208 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3209 alignment supported by 32-bit ELF.
3211 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3215 * c-typeck.c (digest_init): Always allow initializing vectors
3216 that have static storage duration with compound literals.
3217 * tree.c (build_type_attribute_qual_variant): New, based on
3218 build_type_attribute_variant.
3219 (build_type_attribute_variant): Rewrite using the former.
3220 (make_vector_type): Use build_type_attribute_qual_variant to build
3221 type variants. Use type_hash_canon on the others.
3223 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3224 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3226 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3228 2006-10-12 Jan Hubicka <jh@suse.cz>
3231 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3232 current_function_decl is set but current_function_scope is not.
3234 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3236 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3237 emit_insn to emit eh_return_internal instruction.
3238 (eh_return_internal): Explicitly set pc.
3240 2006-10-11 Richard Guenther <rguenther@suse.de>
3242 PR tree-optimization/28230
3243 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3244 to the correct place.
3246 2006-10-11 Richard Guenther <rguenther@suse.de>
3249 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3252 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3254 * configure.ac: Added pdf to "Make-hooks"
3255 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3256 targets and *.pdf file patterns in cleanup targets.
3257 * configure: Regenerated.
3259 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3261 * config/avr/predicates.md: New file.
3262 * config/avr/avr.md: Include it.
3263 (REG_SP): New constant.
3264 (peepholes): Use predicates.
3265 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3266 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3267 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3269 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3271 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3274 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3277 * builtins.c (var_decl_component_p): New function.
3278 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3279 single entry optimization to variables and components thereof.
3281 2006-10-10 Richard Guenther <rguenther@suse.de>
3283 PR rtl-optimization/29323
3284 * except.c (set_nothrow_function_flags): For functions
3285 that do not bind local bail out early.
3287 2006-10-10 Ben Elliston <bje@au.ibm.com>
3289 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3292 2006-10-09 Richard Henderson <rth@redhat.com>
3294 Revert emutls patch.
3296 2006-10-09 Richard Guenther <rguenther@suse.de>
3299 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3302 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3305 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3306 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3307 * configure: Regenerate.
3308 * config.in: Regenerate.
3310 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3312 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3314 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3316 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3317 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3318 Remove stray newline.
3320 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3322 * config/mips/mips.c (mips_classify_symbol): Do not return
3323 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3324 (mips_in_small_data_p): Tweak comments.
3326 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3328 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3330 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3332 * gimplify.c, sched-int.h: Fix comment typos.
3334 * sched-int.h: Fix comment typos.
3336 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3338 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3340 * sched-ebb.c (begin_schedule_ready): Use them.
3341 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3342 add_to_speculative_block, create_check_block_twin, speculate_insn,
3343 fix_jump_move, move_block_after_check): Ditto.
3344 * sched-rgn.c (new_ready): Ditto.
3346 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3348 PR rtl-optimization/29128
3349 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3350 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3351 allow interblock movement of speculation checks.
3353 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3356 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3357 casted to integer type.
3358 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3359 if they are significantly more expensive than [reg + index] ones.
3361 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3363 PR tree-optimization/29330
3364 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3365 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3366 on newly allocated ddrs.
3367 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3368 to VEC (loop_p, heap) pointer.
3369 (compute_data_dependences_for_loop): Adjust caller.
3370 (free_dependence_relations): Free DDR_LOOP_NEST.
3372 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3373 free DEPENDENCE_RELATIONS and DATAREFS.
3376 * builtins.c (expand_builtin_sync_operation,
3377 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3378 Use convert_to_mode to handle promoted arguments.
3380 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3382 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3384 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3386 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3388 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3390 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3391 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3392 Use <modeconstraint> instead of "r" as operand 1 constraint.
3394 2006-10-06 Olivier Hainque <hainque@adacore.com>
3396 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3397 Don't recurse on the pointed-to type.
3398 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3399 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3400 types with components of variable size.
3402 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3404 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3406 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3408 PR tree-optimization/29290
3409 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3413 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3414 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3417 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3418 the number of vector elements fill the rest with zeros.
3420 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3422 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3423 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3426 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3428 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3429 unnamed pattern into subsi3. Use correct constraints/predicates.
3430 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3431 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3433 2006-10-05 Ira Rosen <irar@il.ibm.com>
3435 * doc/loop.texi: Add data references analysis description.
3437 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3439 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3441 2006-10-04 Richard Henderson <rth@redhat.com>
3442 Jakub Jelinek <jakub@redhat.com>
3444 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3445 * builtin-types.def (BT_WORD): Make unsigned.
3446 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3447 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3448 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3449 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3450 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3451 * cgraph.c (decide_is_variable_needed): Look at force_output.
3452 Recurse for emulated tls.
3453 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3454 checks redundant with decide_is_variable_needed.
3455 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3456 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3458 * expr.c (emutls_var_address): New.
3459 (expand_expr_real_1): Expand emulated tls.
3460 (expand_expr_addr_expr_1): Likewise.
3461 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3462 * output.h (emutls_finish): Declare.
3463 * toplev.c (compile_file): Call it.
3464 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3465 address before wrapping in CONST.
3466 * varasm.c (emutls_htab, emutls_object_type): New.
3467 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3468 (get_emutls_object_name, get_emutls_object_type): New.
3469 (get_emutls_init_templ_addr, emutls_decl): New.
3470 (emutls_common_1, emutls_finish): New.
3471 (assemble_variable): When emulating tls, swap decls; generate
3472 constructor for the emutls objects.
3473 (do_assemble_alias): When emulating tls, swap decl and target name.
3474 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3476 * emutls.c: New file.
3477 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3478 tls_object for real tls.
3480 2006-10-04 Zack Weinberg <zackw@panix.com>
3482 Fix bug in constraint-check generator, reported by Rask Ingemann
3484 * genpreds.c (add_constraint): Don't remove anything from the
3486 (write_tm_constrs_h): Detect whether "op" argument is used, and
3487 mark it ARG_UNUSED if it isn't.
3488 (write_insn_const_int_ok_for_constraint): Skip the part of the
3489 expression that would test whether "op" (which is not available
3490 here) is a CONST_INT.
3492 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3495 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3497 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3499 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3500 current Leopard versions.
3501 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3503 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3505 * doc/install.texi: Fix typos.
3507 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3509 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3510 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3511 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3513 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3515 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3516 arg to be struct mach_header_64* instead.
3518 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3521 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3522 side effects after the outer expression's post side effects.
3524 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3526 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3527 comments to reflect actual behavior and relationship between
3528 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3530 * doc/c-tree.texi (Working with declarations): Fix documentation
3531 of FIELD_DECL likewise.
3533 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3536 * doc/extend.texi: Add used variable attribute description.
3538 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3541 * c.opt (Woverride-init): New.
3542 * c-opts.c (c_common_post_options): Default warn_override_init to
3544 * c-typeck.c (add_pending_init, output_init_element): Warn for
3545 overriding initializers without side effects.
3546 * doc/invoke.texi (-Woverride-init): Document.
3549 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3551 PR rtl-optimization/28096
3552 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3553 assignment has already been used as a destination earlier in the block.
3555 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3557 * builtins.c (expand_builtin_setjmp): Delete.
3558 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3559 <BUILT_IN_SETJMP_SETUP>: New case.
3560 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3561 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3562 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3563 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3564 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3565 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3566 (lower_function_body): Initialize it to false. If it is set to true
3567 at the end of the processing, emit the setjmp dispatcher.
3568 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3569 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3570 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3571 on the rhs of the assignment.
3572 (lower_builtin_setjmp): New function.
3573 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3574 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3575 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3576 to detect calls that can go to non-local labels. Use specific
3577 helper to create the abnormal edges associated with them.
3578 <MODIFY_EXPR>: Likewise.
3579 (make_abnormal_goto_edges): New function extracted from...
3580 (make_goto_expr_edges): ...here. Call it for computed gotos.
3581 (simple_goto_p): Minor tweak.
3582 (tree_can_make_abnormal_goto): New predicate.
3583 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3584 (tree_purge_dead_abnormal_call_edges): New function.
3585 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3586 (tree_purge_dead_abnormal_call_edges): Likewise.
3587 (make_abnormal_goto_edges): Likewise.
3588 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3589 Purge all dead abnormal edges if the call was in the last statement.
3590 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3591 (execute_fixup_cfg): If there are non-local labels in the function,
3592 scan the basic blocks and split them at calls that can go to non-local
3593 labels or add missing abnormal call edges. Write down the CFG in the
3595 (pass_fixup_cfg): Remove TODO_dump_func flag.
3596 * unwind-sjlj.c: Poison setjmp.
3597 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3598 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3599 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3600 (DONT_USE_BUILTIN_SETJMP): Document it.
3602 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3605 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3606 to 1 when __ppc64__ is defined.
3607 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3609 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3611 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3613 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3614 * config/ia64/unwind-hpux.c: Delete.
3616 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3618 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3619 on the element before gimplifying it, instead of punting if it is of
3622 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3624 * doc/loop.texi: New file.
3625 * doc/gccint.texi: Reference loop.texi.
3626 * Makefile.in (loop.texi): Add.
3628 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3630 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3632 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3633 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3635 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3637 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3639 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3641 * doc/install.texi: Document required versions of GMP and MPFR.
3643 2006-09-27 Paul Brook <paul@codesourcery.com>
3646 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3648 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3650 * reload1.c (alter_reg): Require the alignment of the stack slot to
3651 be at least reg_max_ref_width bytes.
3652 (scan_paradoxical_subregs): Record the largest width in
3655 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3659 * tree-nested.c (struct nesting_info): Added static_chain_added.
3660 (convert_call_expr): Set static_chain_added when adding static
3661 chain. Handle OMP_PARALLEL and OMP_SECTION.
3663 2006-09-25 Matthias Klose <doko@debian.org>
3665 * doc/invoke.texi: Add missing full stop.
3667 2006-09-25 Richard Henderson <rth@redhat.com>
3669 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3670 before cgraph_function_flags_ready.
3672 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3673 Adam Nemet <anemet@caviumnetworks.com>
3675 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3676 determine_common_wider_type): New functions.
3677 (get_computation_aff): Use them to simplify arithmetic between
3678 UBASE and CBASE if they are shortened from the same type.
3680 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3683 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3684 -2147483647 - 1 instead of 0x80000000.
3686 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3688 * flags.h (HONOR_NANS): Fix typo in comment.
3690 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3692 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3694 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3698 * tree.c (merge_attributes, attribute_list_contained): If both
3699 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3701 * c-typeck.c (comptypes_internal): Don't consider aggregates
3702 in different TUs as compatible if there one set of attributes is
3703 not a subset of the other type's attributes.
3704 (composite_type): Try harder not to create a new aggregate type.
3706 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3708 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3709 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3710 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3711 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3712 than replicating condition above.
3713 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3715 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3716 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3717 the linker by default.
3719 2006-09-22 Mike Stump <mrs@apple.com>
3721 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3724 2006-09-22 Richard Guenther <rguenther@suse.de>
3727 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3728 sort of stack variables stable.
3730 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3733 * explow.c (force_reg): Set REG_POINTER flag according to
3736 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3738 PR tree-optimization/28888
3739 * tree-if-conv.c (combine_blocks): Rewritten.
3740 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3741 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3743 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3745 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3748 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3750 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3752 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3754 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3756 2006-09-21 Roger Sayle <roger@eyesopen.com>
3759 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3760 dw_fde_current_label, to be the start of the function, i.e. the same
3761 value as dw_fde_begin.
3763 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3765 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3766 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3767 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3768 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3769 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3770 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3771 (abs<mode>2, neg<mode>2): Likewise.
3772 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3773 (*mips_abs_ps): New define_insn.
3775 2006-09-20 Josh Conner <jconner@apple.com>
3778 * calls.c (expand_call): Allow reuse of structure return stack
3781 2006-09-20 Paul Brook <paul@codesourcery.com>
3783 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3786 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3788 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3789 clean up terminology.
3791 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3794 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3795 with tablejumps in them.
3797 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3800 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3801 wrap it into TARGET_EXPR.
3803 2006-09-20 Eric Christopher <echristo@apple.com>
3805 * config/i386/i386.c (x86_fisttp): Remove.
3806 * config/i386/i386.h (x86_fisttp): Ditto.
3807 (TARGET_FISTTP): Ditto.
3809 2006-09-19 Eric Christopher <echristo@apple.com>
3811 * doc/tm.texi (OBJC_JBLEN): Describe.
3812 * config/i386/darwin.h (OBJC_JBLEN): Define.
3813 * config/rs6000/darwin.h: Ditto.
3815 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3817 PR rtl-optimization/21299
3818 * reload1.c (reload): Purge invalid ASMs in the final pass.
3820 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3823 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3824 pointers as legitimate constants.
3826 2006-09-19 Paul Brook <paul@codesourcery.com>
3829 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3831 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3833 PR tree-optimization/28887
3834 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3835 component parts from the reference.
3836 (gather_memory_references_ref): Record the reference without the
3837 nonaddressable component parts.
3839 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3842 * c-opts.c (c_common_handle_option): Ignore the -std options
3843 if the input language is assembly.
3845 2006-09-17 Ira Rosen <irar@il.ibm.com>
3848 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3850 (ptr_ptr_may_alias_p): Likewise.
3851 (record_record_differ_p): New function.
3852 (base_object_differ_p): Call record_record_differ_p.
3854 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3857 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3858 away for the expr argument.
3860 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3863 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3864 before using it for dumping after vectorizing loops.
3866 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3867 Jack Howarth <howarth@bromo.med.uc.edu>
3870 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3871 skip on error_mark_node.
3872 (rs6000_darwin64_record_arg_recurse): Likewise.
3874 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3876 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3877 * doc/rtl.texi: Remove related documentation.
3879 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3881 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3884 2006-09-15 Jim Wilson <wilson@specifix.com>
3886 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3887 Handle symbol offsets same as they are handled in ia64_expand_move
3890 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3892 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3893 Add forgotten parameter to the fprintf call.
3895 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3897 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3899 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3901 * doc/contrib.texi: Add my entry.
3903 2006-09-15 Nick Clifton <nickc@redhat.com>
3905 * doc/md.texi (Processor pipeline description): Fix typo in
3906 example of how to use the absence_set directive and reword the
3907 description to make it slightly easier to read.
3909 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3911 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3912 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3913 expanding the number of iterations.
3914 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3916 * cfgrtl.c (emit_insn_at_entry): New function.
3917 * rtl.h (emit_insn_at_entry): Declare it.
3918 * integrate.c (emit_initial_value_sets): Use it.
3920 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3922 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3924 (struct loop_work and related VEC declarations): Delete.
3925 (bfin_dump_loops): Print out new member bad.
3926 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3927 (bfin_scan_loop): Don't recurse.
3928 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3929 loops. No longer need to update outer loops if the current one is
3930 found bad. Move some validitiy checks to bfin_discover_loop.
3931 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3932 but changed not to check for nesting. Also changed to use the new bad
3934 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3935 time. Use bitmap based test to discover loop nesting.
3937 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3939 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3942 2006-09-14 Richard Guenther <rguenther@suse.de>
3943 Kazu Hirata <kazu@codesourcery.com>
3945 PR middle-end/28884.
3946 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3947 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3948 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3949 with TARGET_FUNCTION_VALUE.
3951 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3954 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3956 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3958 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3961 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3964 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3967 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3969 * basic_block.h (bb_has_eh_pred): Fix comment.
3971 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3973 * flow.c (calculate_global_regs_live): Invalidate eh registers
3974 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3975 (propagate_block): Handle eh registers as if they were set at basic
3977 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3979 * global.c (global_conflicts): Make eh registers to conflict with
3980 pseudos live at basic block begin.
3981 * basic_block.h (bb_has_eh_pred): New function.
3983 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3985 PR rtl-optimization/28982
3986 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3987 index of a PRE_MODIFY or POST_MODIFY address.
3988 * reload1.c (inc_for_reload): Use find_replacement on the original
3989 base and index registers.
3991 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3993 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3994 for -Os. Update __m128 alignment requirement.
3996 2006-09-13 Jan Hubicka <jh@suse.cz>
3998 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4000 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4002 PR rtl-optimization/28243
4003 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4004 the insn to which the note was originally attached.
4006 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4007 Roger Sayle <roger@eyesopen.com>
4009 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4010 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4011 on platforms that don't use dwarf for debug info.
4013 2006-09-12 Jason Merrill <jason@redhat.com>
4016 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4017 hard_frame_pointer_rtx after using it to update the frame pointer.
4019 2006-09-12 Roger Sayle <roger@eyesopen.com>
4021 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4022 (TARGET_ASM_CLOSE_PAREN): Likewise.
4023 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4024 (TARGET_ASM_CLOSE_PAREN): Likewise.
4026 2006-09-12 Roger Sayle <roger@eyesopen.com>
4029 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4030 frame information for frames larger than 512 Kbytes on Tru64 when
4031 using the native assembler.
4033 2006-09-12 Roger Sayle <roger@eyesopen.com>
4037 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4038 and symbols. Instead use the implementation from cse.c's hash_rtx.
4040 2006-09-12 Jan Hubicka <jh@suse.cz>
4042 PR rtl-optimization/28071
4043 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4044 (vect_transform_loop): Likewise.
4045 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4046 (new_loop_vec_info): Likewise.
4047 (destroy_loop_vec_info): Likewise.
4048 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4049 (create_stmt_ann): Likewise.
4050 (create_tree_ann): Rename to ...
4051 (create_tree_common_ann): ... this one; allocate only the common part
4053 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4054 (get_value_handle): Likewise.
4055 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4056 get_tree_common_ann.
4057 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4058 (vinfo_for_stmt): Use stmt annotations.
4059 * tree-flow.h (tree_ann_common_t): New type.
4060 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4061 (tree_ann, get_tree_ann, create_tree_ann): New.
4062 * tree-flow-inline.h (get_function_ann): Do more type checking.
4063 (stmt_ann): Likewise.
4064 (tree_ann): Rename to ...
4065 (tree_common_ann): ... this one; return ony common_ann
4066 (get_tree_ann): Rename to ...
4067 (tree_common_ann): This one; return only common_ann.
4068 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4071 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4073 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4074 with_cpu by default.
4076 * dwarf2out.c (dwarf_file_data): New.
4077 (enum dw_val_class): Add dw_val_class_file.
4078 (struct dw_val_struct): Add val_file.
4079 (file_table): Change to a hash table.
4080 (file_table_emitted): Delete.
4081 (file_table_last_lookup_index): Delete.
4082 (emitcount): Delete.
4083 (last_emitted_file): New.
4084 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4085 (init_file_table): Delete.
4086 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4087 (AT_addr): Add comment.
4091 (print_die): Handle dw_val_class_file.
4092 (print_dwarf_line_table): Update for new file table structure.
4093 (attr_checksum): Do checksum a filename.
4094 (same_dw_val_p, same_attr_p): Do compare a filename.
4095 (size_of_die): Handle dw_val_class_file.
4096 (value_format): Likewise.
4097 (output_die): Likewise. Also, call maybe_emit_file here.
4098 (struct file_info): Constify filenames. Make file_idx a pointer
4099 to a struct dwarf_file_data.
4100 (struct dir_info): Constify directory names. Remove 'used' field.
4101 (struct file_name_acquire_data): New.
4102 (file_name_acquire): New.
4103 (output_file_names): Modify to handle new file data structures.
4104 (add_src_coords_attributes): Use add_AT_file.
4105 (add_call_src_coords_attributes): Likewise.
4106 (dwarf2out_imported_module_or_decl): Likewise.
4107 (gen_subprogram_die): Modify for new file data structures.
4108 (gen_variable_die): Likewise.
4109 (file_table_eq): New.
4110 (file_table_hash): New.
4111 (file_table_last_lookup): New.
4112 (lookup_filename): Rewrite to handle new file data structures.
4113 (maybe_emit_file): Rewrite to handle new file data structures.
4114 (dwarf2out_source_line): Always call lookup_filename and
4116 (dwarf2out_init): Create file_table here.
4117 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4118 (file_table_relative_p): New.
4119 (dwarf2out_finish): Change detection of relative filenames
4120 to work with new file data structures. Move output_line_info call
4121 after debug_info output.
4123 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4128 * config/i386/i386.c (override_options): Always default to 16
4129 byte stack boundary.
4131 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4134 * var-tracking.c (dump_dataflow_set): Start dumping at
4136 (clobber_variable_part): Kill only the variable part in
4137 registers holding it, leaving other variables alone.
4139 2006-09-11 Josh Triplett <josh@freedesktop.org>
4141 * doc/extend.texi (Other Builtins): Actually use the macro
4142 argument in the documentation example for
4143 __builtin_types_compatible_p.
4145 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4147 PR rtl-optimization/28726
4148 * sched-deps.c (sched_analyze_reg): New function extracted from...
4149 (sched_analyze_1): ...here. Call it to analyze references to
4150 registers. Treat again writes to a stack register as writing to the
4152 (sched_analyze_2): ...and here. Call it to analyze references to
4153 registers. Treat again reads of a stack register as reading the
4156 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4157 David Edelsohn <edelsohn@gnu.org>
4160 * config/rs6000/spe.md (frob_df_di): Remove %H.
4161 (frob_di_df): Remove %H. Change evmergelo to mr.
4162 (frob_di_df_2): Remove %H. Change evldd to two loads.
4164 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4166 * doc/cpp.texi: Fix names of charset options.
4168 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4171 * config/i386/i386.c (override_options): Use 128-bit
4172 stack boundary always for 64bits.
4174 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4176 PR rtl-optimization/28636
4177 * combine.c (force_to_mode): Test for side-effects before
4178 substituting by zero.
4179 (simplify_shift_const): Likewise for zero or other constants.
4181 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4184 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4187 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4190 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4191 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4192 returned by mode_for_size, rather than the mode of src itself,
4193 to choose between 32-bit and 64-bit patterns.
4194 (mips_mem_fits_mode_p): New function.
4195 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4196 that the size of the source matches the size of the destination.
4197 (mov_<store>l, mov_<store>r): Likewise.
4199 2006-09-10 Eric Christopher <echristo@apple.com>
4201 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4204 2006-09-09 Eric Christopher <echristo@apple.com>
4207 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4210 2006-09-09 Roger Sayle <roger@eyesopen.com>
4211 Nicolas Setton <setton@adacore.com>
4213 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4215 2006-09-10 Andreas Schwab <schwab@suse.de>
4217 * config/m68k/m68k.md (bungt_rev): New pattern.
4219 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4220 Dale Johannesen <dalej@apple.com>
4223 * regclass.c (struct reg_pref): Update documentation.
4224 (regclass): Set prefclass to NO_REGS if memory is the best option.
4225 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4227 2006-09-08 Eric Christopher <echristo@apple.com>
4229 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4230 * config/t-slibgcc-darwin: Support x86_64 multilib.
4231 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4232 Return 1 for x86_64-darwin.
4233 * config/i386/t-darwin: Add m64 multilib.
4234 (LIB2_SIDITI_CONV_FUNCS): Use.
4235 (LIB2FUNCS_EXTRA): Ditto.
4236 * config/i386/darwin.h: Support x86_64.
4237 * config/i386/i386.c (override_options): Turn on flag_pic
4238 for x86_64-darwin. Disable flag_omit_pointer.
4239 (get_pc_thunk_name): Assert !TARGET_64BIT.
4240 (legitimate_address_p): Disable machopic addressing for
4242 (legitimize_pic_address): Ditto.
4243 (ix86_expand_move): Ditto.
4244 (ix86_expand_call): Ditto.
4245 (machopic_output_stub): Ditto.
4246 * config/darwin.c (machopic_select_section): Support literal16.
4247 (machopic_select_rtx_section): Ditto.
4248 * config/darwin-sections.def: Ditto.
4249 * config/darwin-64.c: New.
4251 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4254 * c-tree.h (struct c_arg_info): Add pending_sizes.
4255 * c-parser.c (c_parser_parms_declarator,
4256 c_parser_parms_list_declarator): Initialize pending_sizes.
4257 * c-decl.c (get_parm_info): Initialize pending_sizes.
4258 (get_parm_info): Set pending_sizes.
4259 (grokdeclarator): Call put_pending_sizes for parameters for
4260 function definition only.
4262 2006-09-07 Jason Merrill <jason@redhat.com>
4265 * varasm.c (output_constant): Only strip actual no-op conversions.
4268 * config/i386/i386.c (override_options): Use 128-bit
4269 stack boundary if -msse.
4271 2006-09-07 Eric Christopher <echristo@apple.com>
4273 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4275 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4278 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4280 * dwarf2out.c: Remove strange characters from comment above
4281 dwarf2out_frame_debug_expr.
4283 2006-09-07 Eric Christopher <echristo@apple.com>
4285 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4286 * config/darwin.h: ... to here.
4288 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4290 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4292 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4293 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4295 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4296 TARGET_PARTIAL_FLAG_REG_STALL.
4297 (*ashldi3_cconly_rex64): Likewise.
4298 (*ashlsi3_cmp): Likewise.
4299 (*ashlsi3_cconly): Likewise.
4300 (*ashlsi3_cmp_zext): Likewise.
4301 (*ashlhi3_cmp): Likewise.
4302 (*ashlhi3_cconly): Likewise.
4303 (*ashlqi3_cmp): Likewise.
4304 (*ashlqi3_cconly): Likewise.
4305 (*ashrdi3_cmp_rex64): Likewise.
4306 (*ashrdi3_cconly_rex64): Likewise.
4307 (*ashrsi3_cmp): Likewise.
4308 (*ashrsi3_cconly): Likewise.
4309 (*ashrsi3_cmp_zext): Likewise.
4310 (*ashrhi3_cmp): Likewise.
4311 (*ashrhi3_cconly): Likewise.
4312 (*ashrqi3_cmp): Likewise.
4313 (*ashrqi3_cconly): Likewise.
4314 (*lshrdi3_cmp_rex64): Likewise.
4315 (*lshrdi3_cconly_rex64): Likewise.
4316 (*lshrsi3_cmp): Likewise.
4317 (*lshrsi3_cconly): Likewise.
4318 (*lshrsi3_cmp_zext): Likewise.
4319 (*lshrhi3_cmp): Likewise.
4320 (*lshrhi3_cconly): Likewise.
4321 (*lshrqi2_cmp): Likewise.
4322 (*lshrqi2_cconly): Likewise.
4324 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4327 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4328 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4329 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4330 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4331 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4332 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4333 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4334 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4335 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4336 implement only CC setting effects of shift instructions.
4338 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4340 * doc/contrib.texi: Add myself.
4342 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4345 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4346 was set by the user.
4348 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4351 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4352 (divsi_inv_m1): Use them.
4353 (UNSPEC_DIV_INV_TABLE): New constant.
4355 2006-09-06 James E Wilson <wilson@specifix.com>
4358 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4359 then call count_or_remove_death_notes.
4361 2006-09-06 Jason Merrill <jason@redhat.com>
4364 * tree-inline.c (copy_result_decl_to_var): New fn.
4365 (declare_return_variable): Use it. Call declare_inline_vars here.
4366 (expand_call_inline): Not here.
4368 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4370 * doc/contrib.texi: Update my entry.
4372 2006-09-06 Nick Clifton <nickc@redhat.com>
4374 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4376 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4379 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4380 (canonicalize_induction_variables): Likewise.
4381 (tree_unroll_loops_completely): Likewise.
4382 (tree_ssa_prefetch_arrays): Likewise.
4383 (remove_empty_loops): Likewise.
4384 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4385 TODO_cleanup_cfg instead of directly calling
4386 cleanup_tree_cfg_loop.
4387 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4389 (tree_unroll_loops_completely): Likewise.
4390 (remove_empty_loops): Likewise.
4391 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4392 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4393 of tree_ssa_unswitch_loops.
4394 (tree_ssa_loop_ivcanon): Use the return value of
4395 canonicalize_induction_variables.
4396 (tree_ssa_empty_loop): Use the return value of
4398 (tree_complete_unroll): Use the return value of
4399 tree_unroll_loops_completely.
4400 (tree_ssa_loop_prefetch): Use the return value of
4401 tree_ssa_prefetch_arrays.
4402 * passes.c (execute_todo): Before Cleanup CFG, set
4403 updating_used_alone and after cleanup CFG, call
4404 recalculate_used_alone.
4406 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4409 * tree-vect-transform.c (vectorizable_condition): Move the check
4410 for the type after the check for simple condition.
4412 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4413 Kaz Kojima <kkojima@gcc.gnu.org>
4416 * mode-switching.c (optimize_mode_switching): Make the destination
4417 block of an abnormal edge have no anticipatable mode. Don't
4418 insert mode switching code at the end of the source block of
4421 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4423 PR rtl-optimization/26847
4424 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4425 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4426 (simplify_plus_minus): Count n_constants while filling ops. Replace
4427 qsort with insertion sort. Before going through the array to simplify
4428 pairs, sort it. Delay early exit until after the first sort, exiting
4429 only if no swaps occurred. Simplify pairs in reversed order, without
4430 special-casing the first iteration. Pack ops after simplifying pairs.
4432 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4434 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4435 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4436 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4437 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4439 2006-09-05 Richard Guenther <rguenther@suse.de>
4441 PR tree-optimization/28900
4442 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4443 compound conditional before creating COND_EXPR condition.
4445 2006-09-05 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/28905
4448 * tree-vrp.c (fix_equivalence_set): Manually implement
4449 !value_ranges_intersect_p to also handle symbolic ranges.
4451 2006-09-05 Richard Guenther <rguenther@suse.de>
4454 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4457 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4459 PR rtl-optimization/27616
4460 * cse.c (table_size): New static variable.
4461 (new_basic_block): Initialize it to 0.
4462 (remove_from_table): Decrement it.
4463 (insert): Increment it.
4464 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4465 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4466 fold_rtx_mem_1 if under the cap.
4467 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4468 the lookup of the equivalent expression and test for equality of the
4469 first operand of the equivalent expression before in turn looking up
4470 an equivalent constant for the second operand.
4472 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4475 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4476 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4477 pointer, instead of assuming it is possible to derive the
4478 correct args size from a call insn.
4480 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4483 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4484 (fold_builtin_mempcpy): Rename to...
4485 (fold_builtin_memory_op): ... this. Optimize one element copy
4487 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4489 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4490 (expand_builtin_memcpy, expand_builtin_mempcpy,
4491 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4492 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4493 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4494 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4496 2006-09-01 DJ Delorie <dj@redhat.com>
4498 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4499 (stzx_16): Likewise.
4500 ("stzx_24_<mode>"): Likewise.
4501 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4502 ("cmp<mode>_op"): New.
4503 (cmp<mode>): Change to expander; just save operands.
4505 (b<code>): Change to expander, emit compare here.
4506 (s<code>_op): Change to use split and expander.
4507 (s<code>_24_op): Likewise.
4508 (s<code>_<mode>): New.
4509 (s<code>_<mode>_24): New.
4510 (movqicc_<code>_<mode): New.
4511 (movhicc_<code>_<mode>): New.
4514 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4515 (m32c_pend_compare): New.
4516 (m32c_unpend_compare): New.
4517 (m32c_expand_scc): New.
4518 (m32c_expand_movcc): Emit the compare also.
4519 * config/m32c/predicates.md (mra_nopp_operand): New.
4521 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4522 Richard Guenther <rguenther@suse.de>
4523 Adam Nemet <anemet@caviumnetworks.com>
4526 * builtins.c (get_pointer_alignment): Handle more forms
4527 of base addresses that can be used to derive more precise
4528 information about alignment.
4530 2006-09-01 Jason Merrill <jason@redhat.com>
4533 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4536 * gimplify.c (voidify_wrapper_expr): Handle null type.
4538 2006-09-01 Josh Conner <jconner@apple.com>
4541 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4542 (execute_return_slot_opt): Use it.
4544 2006-08-31 Josh Conner <jconner@apple.com>
4547 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4548 returning aggregates.
4550 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4552 PR tree-optimization/28839
4553 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4554 blocks in that phi arguments appear.
4556 2006-08-31 Roger Sayle <roger@eyesopen.com>
4559 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4560 NULL, otherwise use an advance_loc4 to adjust relative to the
4562 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4563 (dwarf2out_switch_text_section): Reset the current label to avoid
4564 using advance_loc4 over section boundaries.
4566 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4569 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4570 r12 + SYMBOLIC_CONST.
4572 2006-08-30 Richard Guenther <rguenther@suse.de>
4574 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4576 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4578 PR rtl-optimization/27735
4579 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4580 Add new argument to keep track of whether an irreducible region
4581 was affected. All callers changed.
4582 (fix_irreducible_loops): Removed.
4583 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4584 flags were invalidated.
4586 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4588 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4589 instead of SF operands.
4590 (*fop_df_comm_sse): Likewise.
4591 (*fop_df_comm_i387): Likewise.
4592 (*fop_df_1_mixed): Likewise.
4593 (*fop_df_1_sse): Likewise.
4595 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4596 J"orn Rennecke <joern.rennecke@st.com>
4598 PR tree-optimization/17506
4599 * tree-ssa.c (warn_uninit): If warning about a location outside of
4600 the current function, note where the variable was declared.
4602 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4604 PR tree-optimization/28411
4605 * double-int.c (double_int_div): Use double_int_divmod.
4606 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4607 double_int_mod, double_int_smod, double_int_umod): New functions.
4608 * double-int.h (double_int_divmod, double_int_sdivmod,
4609 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4611 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4613 (get_computation_aff, get_computation_cost_at): Handle double_int
4614 return type of constant_multiple_of.
4616 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4619 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4620 an implicit conversion.
4622 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4624 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4626 2006-08-27 Roger Sayle <roger@eyesopen.com>
4628 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4631 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4633 * config/i386/crtfastmath.c: Fix a comment typo.
4635 2006-08-26 Roger Sayle <roger@eyesopen.com>
4637 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4638 temporary visit flags on CASE_LABEL_EXPRs.
4639 * c-common.c (match_case_to_enum): Add function comment. Avoid
4640 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4641 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4642 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4643 a constant, only warn if that constant value isn't handled.
4645 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4648 * input.h (restore_input_file_stack): Declare.
4649 (INPUT_FILE_STACK_BITS): Define.
4650 * toplev.c (fs_p, input_file_stack_history,
4651 input_file_stack_restored, restore_input_file_stack): New.
4652 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4653 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4654 (pop_srcloc): Don't free old state of stack.
4656 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4659 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4660 (PowerPC Type Attributes): New.
4662 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4664 * config/xtensa/xtensa.c (function_arg_boundary): New.
4665 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4667 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4668 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4670 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4673 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4676 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4678 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4679 (verify_local_live_at_start): Likewise.
4681 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4684 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4685 omp_add_variable): Treat sizes as variable whenever not
4688 2006-08-26 Richard Guenther <rguenther@suse.de>
4691 * fold-const.c (fold_binary): Fold temporary to correct
4692 type before constructing new comparison.
4694 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4697 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4698 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4700 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4703 * c-decl.c (start_function): Don't try to process prototype
4704 information from old declaration that isn't a function.
4706 2006-08-25 Jan Hubicka <jh@suse.cz>
4709 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4711 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4714 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4717 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4719 PR tree-optimization/16876
4720 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4721 exit if PARM doesn't match VALUE.
4723 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4725 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4726 literal_prefix directive.
4727 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4728 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4729 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4731 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4734 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4735 predicate to general_operand. Add 0->y and I->r alternatives.
4737 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4739 * doc/tm.texi: Fix a typo.
4740 * predict.c: Fix comment typos.
4742 2006-08-25 Nick Clifton <nickc@redhat.com>
4744 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4745 assertions of "cpu" and "machine".
4747 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4750 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4751 the access through a base which has an alias set of 0 cannot
4754 2006-08-24 Bill Wendling <wendling@apple.com>
4756 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4758 2006-08-24 Jan Hubicka <jh@suse.cz>
4760 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4762 2006-08-24 Jan Hubicka <jh@suse.cz>
4765 * cgraph.c: Fix comments.
4766 (cgraph_varpool_mark_needed_node): Mark only variables not already
4768 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4769 (cgraph_varpool_assembled_nodes_queue): New static variable.
4770 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4771 (cgraph_varpool_output_debug_info): New function.
4772 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4773 * Makefile.in: Add gt-cgraphunit.h
4775 2006-08-24 Jan Hubicka <jh@suse.cz>
4777 * predict.c (probability_reliable_p): New predicate.
4778 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4779 (predict_loops): Do not predict loop exit with less than 2%
4781 * basic-block.h (edge_probability_reliable_p,
4782 br_prob_note_reliable_p): Declare.
4783 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4784 prediction when static predictor is not reliable.
4785 * rs6000.c (output_cbranch): Likewise.
4787 2006-08-23 Stuart Hastings <stuart@apple.com>
4790 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4791 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4793 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4796 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4797 complex values, nor for generic vector values.
4799 2006-08-22 Richard Guenther <rguenther@suse.de>
4802 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4803 parameter. Convert arguments to arithmetic expression to the
4805 (analyze_scalar_evolution_1): Adjust caller.
4807 2006-08-22 Jan Hubicka <jh@suse.cz>
4809 Patch by Paolo Bonzini
4810 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4813 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4815 PR tree-optimization/28003
4816 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4817 before grouping aliases.
4819 2006-08-22 Roger Sayle <roger@eyesopen.com>
4821 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4822 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4824 2006-08-21 Jason Merrill <jason@redhat.com>
4827 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4828 wrapper. Loop to handle nested wrappers.
4829 (gimplify_bind_expr): Remove temp parameter.
4830 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4831 and STATEMENT_LIST on the rhs.
4832 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4833 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4834 (gimplify_target_expr): Remove special BIND_EXPR handling.
4836 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4838 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4841 2006-08-21 Olivier Hainque <hainque@adacore.com>
4843 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4844 Arrange for the temporary captures of components overlapping the lhs
4845 to happen before the lhs is possibly cleared.
4847 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4849 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4850 necessary places to pass the correct "number of registers" values
4853 2006-08-20 Jan Hubicka <jh@suse.cz>
4855 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4856 (create_name_tags): Instead of quadratic checking use hashtable.
4857 * bitmap.h: Include hashtab.h.
4858 (bitmap_hash): Declare.
4859 * bitmap.c (bitmap_hash): New function.
4861 2006-08-20 Jan Hubicka <jh@suse.cz>
4863 PR rtl-optimization/28071
4864 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4866 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4867 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4868 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4869 cgraph_decide_inlining_incrementally): Update use of
4870 cgraph_check_inline_limits.
4871 * cgraph.c (edge_hash, edge_eq): New function.
4872 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4873 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4874 cgraph_remove_node): Maintain call site hash.
4875 * cgraph.h (struct cgraph_node): Add call_site_hash.
4876 (cgraph_set_call_stmt): New function.
4878 2006-08-20 Jan Hubicka <jh@suse.cz>
4880 PR rtl-optimization/28071
4881 * reload1.c (reg_has_output_reload): Turn into regset.
4882 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4883 choose_reload_regs, emit_reload_insns): Update to new
4884 reg_has_output_reload.
4886 2006-08-20 Jan Hubicka <jh@suse.cz>
4889 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4890 function body sizes.
4891 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4893 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4896 * tree.c (handle_dll_attribute): Return early if not a
4897 var or function decl.
4899 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4902 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4903 alignment of SPE vector types.
4905 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4907 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4909 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4912 * cgraph.h (struct cgraph_node): Remove externally_visible
4914 * cgraphunit.c (process_function_and_variable_attributes): Set
4915 local.externally_visible rather than externally_visible.
4918 * c-common.c (handle_externally_visible_attribute): First look
4919 at TREE_CODE and only if it is function or var decl, check for
4920 non-public objects. Don't warn for DECL_EXTERNAL.
4921 * cgraphunit.c (process_function_and_variable_attributes): Warn
4922 if externally_visible attribute is used on non-public object.
4924 2006-08-17 Jan Hubicka <jh@suse.cz>
4926 PR tree-optimization/27865
4927 * reload1.c (forget_marked_reloads): New function.
4928 (forget_old_reloads_1): When data are passed, just mark the registers
4930 (reload_as_needed): Use the new mechanizm.
4932 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4935 * reload.h (reg_equiv_alt_mem_list): New declaration.
4936 * reload1.c (reg_equiv_alt_mem_list): New definition.
4937 (reload): Initialize it and release it.
4938 (delete_output_reload): Use it.
4939 * reload.c (push_reg_equiv_alt_mem): New function.
4940 (find_reloads_toplev): Call it.
4941 (find_reloads_address, find_reloads_address_1): Likewise.
4942 (find_reloads_subreg_address): Likewise.
4944 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4946 PR rtl-optimization/28489
4947 * sched-ebb.c (begin_schedule_ready): Create basic block
4949 (advance_target_bb): Skip empty blocks.
4950 * haifa-sched.c (bb_note): Make global.
4951 * sched-int.h (bb_note): Add prototype.
4953 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4955 PR tree-optimization/27865
4956 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4958 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4959 fold_used_pointer, pointer_used_p): New functions.
4960 (analyze_scalar_evolution_1): Use fold_used_pointer.
4961 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4962 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4965 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4968 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4969 or the INTEGER_CST. Fail on a CALL_EXPR.
4970 (fold_offsetof): Pass new argument to fold_offsetof_1.
4971 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4972 operand into an INDIRECT_REF.
4973 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4975 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4977 PR gcov/profile/26570
4978 * value-prof.c (static_values): Removed.
4979 (tree_find_values_to_profile): Do not set static_values.
4980 (find_values_to_profile): Do not free static_values.
4981 * profile.c (instrument_values): Do not free the values.
4982 (branch_prob): Free the values.
4984 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4986 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4988 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4991 * c-typeck.c (build_component_ref): Combine qualifiers of
4992 structure or union and field.
4994 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4996 PR rtl-optimization/28071
4997 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4998 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4999 * tree-into-ssa.c (struct dom_dfsnum): New.
5000 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5002 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5003 compute_global_livein.
5004 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5005 in phi nodes in the correct blocks.
5007 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5009 PR tree-optimization/28364
5010 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5012 (fold_affine_expr): New function.
5013 (may_eliminate_iv): Use fold_affine_expr.
5015 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5018 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5021 2006-08-16 Mike Stump <mrs@apple.com>
5023 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5024 * doc/cppopts.texi (-MD): Likewise.
5026 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5029 * c-common.c (handle_weak_attribute): Ignore and warn if
5030 not a FUNCTION_ or VAR_DECL.
5032 2006-07-15 Mike Stump <mrs@apple.com>
5035 * c-parser.c (c_parser_typeof_specifier): Don't use
5036 c_finish_expr_stmt, open code desired semantics instead.
5038 2006-08-15 Nick Clifton <nickc@redhat.com>
5040 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5041 fragment to tmake_file only if threads are enabled.
5042 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5043 * config/i386/t-gthr-win32: New file. ... here.
5045 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5048 * c-parser.c (c_parser_compound_statement_nostart): Reset
5049 parser->error after each statement.
5051 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5054 * omp-low.c (lower_omp_parallel): Convert t to
5055 receiver_decl's type.
5056 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5057 source before comparison.
5060 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5061 to itype in assignment to oldival2.
5063 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5067 * c-typeck.c (build_compound_expr): If the second expression
5068 is an error mark, then just return an error mark instead of
5069 creating a COMPOUND_EXPR.
5071 2006-07-14 Mike Stump <mrs@apple.com>
5073 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5075 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5077 * c-decl.c, var-tracking.c: Fix comment typos.
5079 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5081 PR rtl-optimization/28634
5082 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5083 for floating-point modes unless flag_unsafe_math_optimizations.
5085 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5086 Andrew Pinski <pinskia@physics.uc.edu>
5089 * tree.c (build_array_type): Unify array types with
5090 unspecified index_type.
5091 * c-decl.c (grokdeclarator): Make sure we do not modify a
5092 unified incomplete array type.
5093 * c-typeck.c (store_init_value): Create distinct type before
5094 filling in the index type in an initializer from a compound
5097 * c-decl.c (grokdeclarator): Remove code where we copy the
5100 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5102 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5103 into account for TODO_dump_cgraph.
5104 (TODO_update_ssa_no_phi): Likewise.
5105 (TODO_update_ssa_full_phi): Likewise.
5106 (TODO_update_ssa_only_virtuals): Likewise.
5107 (TODO_remove_unused_locals): Likewise.
5108 (TODO_set_props): Likewise.
5109 (TODO_update_stmt_usage): Likewise.
5111 2006-08-13 Dirk Mueller <dmueller@suse.de>
5113 * c-common.c (strict_aliasing_warning): Fix formatting.
5115 2006-08-13 Matthias Klose <doko@debian.org>
5117 * doc/invoke.texi: Fix spelling errors.
5119 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5121 PR rtl-optimization/23454
5122 * reorg.c (relax_delay_slots): Update comment.
5124 2006-08-11 Richard Guenther <rguenther@suse.de>
5127 * simplify-rtx.c (simplify_const_relational_operation):
5128 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5131 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5133 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5134 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5136 2006-08-10 Paul Brook <paul@codesourcery.com>
5138 * final.c (final_scan_insn): Clear current_insn_predicate before
5139 outputting inline asm.
5141 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5143 PR tree-optimization/26197
5144 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5145 get_ref_base_and_extent and overlap_subvar to add only relevant
5146 subvars as may-aliases.
5147 (add_may_alias_for_new_tag): New function, factored out of
5149 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5150 with additional argument.
5151 * tree-flow.h (new_type_alias): Takes additional argument.
5153 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5155 * gcov.c (no_data_file): New flag.
5156 (read_count_file): Set it if data file not present. Assume counts
5158 (output_lines): Don't name the data file, if there wasn't one.
5160 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5162 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5163 (rs6000_generate_compare): Tweak comments.
5164 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5166 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5168 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5169 (var_debug_decl): New function.
5170 (var_reg_set): Follow debug decl link. Add location even if
5171 reg is already known to hold some other variable.
5172 (var_mem_set): Follow debug decl link.
5173 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5174 decl link. Delete other known locations of the variable part
5176 (var_reg_delete, var_mem_delete): Delete other known locations
5177 of the variable part if requested.
5178 (same_variable_part_p): New function.
5179 (add_stores): Select MO_COPY when appropriate.
5180 (vt_initialize): Handle it.
5181 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5182 known locations for MO_SET and MO_CLOBBER.
5183 (find_variable_location_part): New function.
5184 (set_variable_part, delete_variable_part): Use it.
5185 (clobber_variable_part): New function.
5186 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5189 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5191 PR tree-optimization/26969
5192 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5193 with an empty list of PHIs.
5195 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5199 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5202 2006-08-06 Andreas Schwab <schwab@suse.de>
5204 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5205 string. Whitespace and comment fixup.
5207 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5210 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5214 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5217 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5219 2006-08-04 Jan Hubicka <jh@suse.cz>
5223 * reload.c (push_reload): Patch out the mismatching instruction;
5225 (find_reload): Bail out if the instruction was patched out.
5227 2006-08-04 Jan Hubicka <jh@suse.cz>
5229 PR tree-optimization/24888
5230 * tree-inline.c (expand_call_inline): Do not re-record variables.
5231 (declare_inline_vars): Add variable to unexpanded_var_list.
5233 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5234 Roger Sayle <roger@eyesopen.com>
5236 PR rtl-optimization/26244
5237 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5238 inner_const are negative or greater than or equal to the bitsize of
5239 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5240 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5241 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5242 CONST0_RTX (mode) when the new shift count is greater than or equal to
5243 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5246 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5248 * tree-cfg.c: Fix a comment typo.
5250 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5253 * varasm.c (output_constant): Give the front end another chance to
5254 expand constants, after stripping NOPs.
5256 2006-08-03 Jan Hubicka <jh@suse.cz>
5258 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5261 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5263 PR tree-optimization/27770
5264 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5265 declaration removed (moved to tree-flow.h).
5266 (vect_can_force_dr_alignment_p): Likewise.
5267 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5268 (moved from tree-vectorizer.h).
5269 (vect_can_force_dr_alignment_p): Likewise.
5270 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5271 from outside the vectorizer - in particular from cgraph stage.
5272 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5273 the alignment of global arrays when -fsection-anchors is enabled.
5274 * cgraphunit.c (cgraph_increase_alignment): New function.
5275 (cgraph_optimize): Call cgraph_increase_alignment.
5277 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5280 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5281 not reload a SPE symbol_ref into a lo_sum address.
5283 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5286 * dwarf2out.c (prune_unused_types_prune): Move call to
5287 prune_unused_types_update_strings to cover the parent DIE also.
5289 2006-08-02 Jan Hubicka <jh@suse.cz>
5291 PR gcov/profile/28480
5292 * tree-cfg.c (change_bb_for_stmt): New function.
5293 (tree_merge_blocks, tree_split_blocks): Use it.
5295 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5301 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5302 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5303 (cgraph_optimize): Likewise.
5305 2006-08-01 Stuart Hastings <stuart@apple.com>
5307 * rtl.h (UINTVAL) New.
5308 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5309 * testsuite/gcc.dg/20060801-1.c: New.
5311 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5314 * c-typeck.c (build_external_type): Mark used enum types.
5315 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5317 (gen_subprogram_die): Whitespace fix.
5319 2006-08-01 Jan Hubicka <jh@suse.cz>
5321 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5322 bitmap when not needed.
5323 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5326 2006-08-01 Dirk Mueller <dmueller@suse.de>
5328 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5330 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5332 * Makefile.in: Revert part of previous patch:
5333 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5336 2006-07-30 Eric Christopher <echristo@apple.com>
5339 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5340 (PowerPC Variable Attributes): New section.
5342 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5344 PR target/28126 (partial fix)
5345 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5347 2006-07-28 Jan Hubicka <jh@suse.cz>
5349 PR rtl-optimization/28071
5350 * cfgrtl.c (rtl_delete_block): Free regsets.
5351 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5353 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5355 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5356 and variables used in dependencies.
5358 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5360 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5361 %fs for -mcmodel=kernel.
5362 (stack_tls_protect_test_di): Likewise.
5364 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5366 * Makefile.in: Use mkinstalldirs.
5368 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5371 * opts-common.c (prune_options): Skip joined switches.
5373 2006-07-27 Jan Hubicka <jh@suse.cz>
5375 PR rtl-optimization/28071
5376 * cselib.c (cselib_process_insn): Don't remove useless values too
5377 often for very large hashtables.
5379 2006-07-27 Jan Hubicka <jh@suse.cz>
5381 PR rtl-optimization/28071
5382 * global.c (greg_obstack): New obstack.
5383 (allocate_bb_info): Use it.
5384 (free_bb_info): Likewise.
5385 (modify_reg_pav): Likewise.
5387 2006-07-27 Roger Sayle <roger@eyesopen.com>
5389 * builtins.c (fold_fixed_mathfn): When long and long long are the
5390 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5391 functions to their lceil*, lfloor*, lround* and lrint* forms.
5393 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5396 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5398 (rev_branch_insn): Likewise.
5400 2006-07-27 Jan Hubicka <jh@suse.cz>
5402 PR rtl-optimization/28071
5403 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5404 (reg_set_in_bb, max_reg_computed): New static variables.
5405 (regmove_optimize): Free the new array.
5406 (fixup_match_1): Update call of reg_is_remote_constant_p.
5408 2006-07-26 Jan Hubicka <jh@suse.cz>
5410 PR tree-optimization/27882
5411 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5413 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5415 (cgraph_analyze_compilation_unit): Likewise.
5416 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5417 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5418 (cgraph_early_inlinine): Make order garbage collected.
5419 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5421 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5423 * dbxout.c (output_types_sort): Add a comment.
5424 (output_used_types): Free the VEC.
5426 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5428 * function.c (reorder_fix_fragments): Delete.
5429 (reorder_blocks): Don't call it.
5430 (reorder_blocks_1): Put all subblocks under the origin block.
5432 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5434 PR rtl-optimization/27907
5435 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5438 2006-07-25 Roger Sayle <roger@eyesopen.com>
5441 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5442 bar(x) check that bar's result type can represent all the values of T.
5444 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5446 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5448 2006-07-25 Nick Clifton <nickc@redhat.com>
5450 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5451 size_lookup[] array.
5452 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5453 (ggc_pch_count_object): Likewise.
5454 (ggc_pch_alloc_object): Likewise.
5455 (ggc_pch_write_object): Likewise.
5456 (init_ggc): Do not attempt to initialize entries in the
5457 size_lookup[] array for objects whose size is greater than than
5458 the length of the array.
5460 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5462 * dbxout.c (output_used_types_helper): Push queued types
5464 (output_types_sort): New.
5465 (output_used_types): Collect used types on a VEC and sort them
5468 2006-07-24 Richard Guenther <rguenther@suse.de>
5471 * cgraph.c (cgraph_remove_node): Do not check if dumps
5473 * cgraphunit.c (cgraph_optimize): Likewise.
5475 2006-07-24 Jan Hubicka <jh@suse.cz>
5477 PR rtl-optimization/28071
5478 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5479 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5480 splitting before first stmt.
5482 2006-07-24 Jan Hubicka <jh@suse.cz>
5484 PR rtl-optimization/28071
5485 * ipa-inline.c (update_caller_keys): Remove edges that
5486 are no longer inline candidates.
5488 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5491 * dbxout.c (output_used_types_helper, output_used_types): New.
5492 (dbxout_symbol): Call output_used_types.
5494 2006-07-23 Jan Hubicka <jh@suse.cz>
5498 * cgraph.c (cgraph_varpool_nodes): Export.
5499 (decide_is_variable_needed): Ignored "used" attribute in
5500 unit-at-a-time mode.
5501 * cgraph.h (cgraph_varpool_nodes): Declare.
5502 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5503 unit-at-a-time mode.
5505 2006-07-23 Roger Sayle <roger@eyesopen.com>
5508 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5509 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5510 the __gthrw form of thr_keycreate.
5511 (__gthread_key_delete): Silence the unused argument warning.
5513 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5516 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5517 Cache the last found '\0' marker to avoid quadratic behavior.
5519 2006-07-23 Jan Hubicka <jh@suse.cz>
5521 * i386.md (subsi_3_zext): Fix output template.
5523 2006-07-21 Mike Stump <mrs@apple.com>
5525 * doc/invoke.texi (C++ Dialect Options): Note that
5526 -fvisibility-inlines-hidden doesn't affect explicitly
5527 instantiationed inline methods.
5529 2006-07-20 Roger Sayle <roger@eyesopen.com>
5531 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5532 if the target assembler is GNU binutils' gas.
5533 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5534 whether to pass GNU gas or native as command line options.
5536 2006-07-20 Jason Merrill <jason@redhat.com>
5538 * tree.c (remove_attribute): New fn.
5539 * tree.h: Declare it.
5541 2006-07-20 Paul Brook <paul@codesourcery.com>
5544 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5545 they are invalidated by this instruction.
5547 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5550 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5552 2006-07-20 Eric Christopher <echristo@apple.com>
5555 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5557 2006-07-19 Eric Christopher <echristo@apple.com>
5559 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5560 Rewrite dependencies for libgcc_s.1.dylib.
5562 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5564 * except.c (duplicate_eh_regions_1): Clear next_peer.
5566 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5568 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5569 -mlongcall does not guarantee all calls will be long.
5570 * doc/extend.texi (long_call/short_call): Document that longcall
5571 does not guarantee a long call will be used.
5572 (longcall/shortcall): Likewise.
5574 2006-07-18 Roger Sayle <roger@eyesopen.com>
5577 * expmed.c (expand_shift): Additionally check that the shift_cost
5578 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5579 before implementing a LSHIFT_EXPR as a sequence of additions.
5580 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5581 middle-end that DImode shifts need to be synthesized by expand.
5583 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5586 * tree-ssa-operands.c (access_can_touch_variable): Update
5588 Return true if ALIAS is .GLOBAL_VAR.
5590 2006-07-18 David Daney <ddaney@avtrex.com>
5592 * gcc.c (display_help): Fix typo in help text.
5594 2006-07-18 Olivier Hainque <hainque@adacore.com>
5596 * tree.h (categorize_ctor_elements): Adjust prototype and add
5597 descriptive comment, both in accordance with the interface change
5599 * varasm.c (constructor_static_from_elts_p): New function.
5600 Whether a constructor node is a valid static constant initializer
5601 if all its elements are.
5602 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5603 * output.h: Declare it.
5604 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5605 is a valid constant initializer instead of computing the number of
5606 non-constant elements. Use constructor_static_from_elts_p for this
5607 purpose. Replace the head comment with an indication that this is a
5608 helper for categorize_ctor_elements.
5609 (categorize_ctor_elements): Same interface change as for the _1
5610 helper. Former head comment from this helper moved here, adjusted to
5611 account for the interface changes.
5612 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5613 (all_zeros_p): Likewise.
5614 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5615 static versions of the constructor from the categorize_ctor_elements
5616 return value instead of the formerly computed number of non-constant
5619 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5621 * configure: Regenerate.
5622 * Makefile.in (build_libsubdir): New configure substitution
5623 (build_libobjdir): New variable.
5624 (BUILD_LIBIBERTY): Use it.
5626 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5629 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5631 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5634 * c-common.c (handle_weakref_attribute): Ignore attribute in
5635 the same conditions the alias attribute is ignored.
5637 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5639 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5640 (dbxout_begin_prologue): Increment scope_labelno.
5642 2006-07-17 Richard Henderson <rth@redhat.com>
5645 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5648 2006-07-17 Roger Sayle <roger@eyesopen.com>
5649 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5651 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5652 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5653 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5654 functions such as sbrk, write, etc.. Add function prototypes.
5655 Convert function declarations from K&R to ISO C. Cast pointers
5656 to "long" and "unsigned long" instead of "int" and "unsigned int".
5657 Convert tokens following #endif into comments.
5659 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5661 * invoke.texi: Remove mention of f77; Reformat table for
5662 inline parameter options correctly; mention that -malign-double
5663 is default on x86-64 targets.
5665 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5667 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5668 (convert_affine_scev, chrec_convert_aggressive): Use
5669 avoid_arithmetics_in_type_p. Do not check for the subtypes
5672 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5675 * optabs.c (expand_doubleword_shift): Wrap the call to
5676 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5678 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5681 * optabs.c (expand_binop): Pass next_methods rather than methods
5682 to expand_doubleword_shift.
5684 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5687 * tree.h (dump_addr): Declare.
5688 * print-tree.c (dump_addr): New function.
5689 (print_node_brief, print_node): Use it.
5690 * print-rtl.c (print_rtx): Likewise.
5691 * common.opt (-fdump-noaddr): New option.
5692 * doc/invoke.texi (-fdump-noaddr): Document.
5693 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5694 (ve_info_hash): Likewise.
5696 2006-07-13 Andrew Haley <aph@redhat.com>
5698 PR tree-optimization/19505
5699 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5700 edge leaving this block, make sure that the destination of this
5701 block has only one predecessor.
5703 2006-07-17 Richard Guenther <rguenther@suse.de>
5705 PR tree-optimization/28238
5706 * tree-inline.c (copy_bb): Check if we produced valid
5707 gimple copying and substituting a stmt. If not, gimplify
5710 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5712 * optabs.c (maybe_encapsulate_block): New function extracted from...
5713 (emit_libcall_block): ...here. Invoke it on the block of insns to
5714 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5715 (emit_no_conflict_block): Likewise.
5717 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5719 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5721 2006-07-15 Roger Sayle <roger@eyesopen.com>
5723 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5724 a new NOP_EXPR case of the switch statement.
5726 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5729 * stor-layout.c (place_field): Take the bit field with
5730 an excessive size into account in the ms-bitfiled case.
5733 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5734 the previous bit field.
5736 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5739 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5741 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5743 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5744 signal frames correctly even when the signal was installed with
5747 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5749 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5750 (dbxout_function_end): Use local label LFBB. Remove hook
5752 (dbxout_source_line): Use local label LFBB.
5753 (dbxout_block): Likewise.
5754 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5755 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5756 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5757 and DBX_OUTPUT_NFUN.
5759 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5761 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5763 2006-07-13 Jan Hubicka <jh@suse.cz>
5765 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5767 * output.h (align_variable): Declare.
5768 * varasm.c (align_variable): Export.
5769 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5770 when basic block changed.
5772 2006-07-13 Nick Clifton <nickc@redhat.com>
5774 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5775 walking the LOG_LINKS chain.
5777 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5779 * doc/invoke.texi (C++ Dialect Options): Explain difference
5780 between -fvisibility-inlines-hidden and setting hidden
5781 visibility explicitly.
5783 2006-07-12 Eric Christopher <echristo@apple.com>
5785 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5786 (stmp-lipo): Depend on libgcc.a.
5788 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5790 * tree.c: Fix a comment typo.
5792 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5794 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5796 (umulhisi3_r): Likewise.
5798 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5801 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5802 x < 19, vs wchar_t support.
5804 2006-07-12 Nick Clifton <nickc@redhat.com>
5806 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5807 instead of -isa=sh4.
5809 2006-07-12 Mike Stump <mrs@apple.com>
5811 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5813 2006-07-10 Eric Christopher <echristo@apple.com>
5815 * config/t-slibgcc-darwin: Rewrite.
5817 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5820 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5823 2006-07-08 Matthias Klose <doko@debian.org>
5825 * doc/sourcebuild.texi: Fix typo.
5827 2006-07-07 Mike Stump <mrs@apple.com>
5829 * toplev.c (process_options): Don't give -ffunction-sections may
5830 affect debugging warning for Mach-O.
5832 2006-07-07 James E Wilson <wilson@specifix.com>
5834 * config/mips/mips.md (cpu): Add sb1a.
5835 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5836 addition to sb1. Adjust comments to clarify SB-1A differences from
5838 (ir_sb1a_load): New. Modify bypasses to use it.
5839 (ir_sb1a_simple_alu): Likewise.
5840 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5841 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5842 (mips_issue_rate): Add PROCESSOR_SB1A.
5843 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5844 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5845 (TARGET_SB1): Add PROCESSOR_SB1A check.
5846 (TUNE_SB1): Likewise.
5848 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5849 * config/mips/mips.c (mips_store_data_bypass_p): New.
5850 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5851 store_data_bypass_p.
5853 2006-07-08 Paul Brook <paul@codesourcery.com>
5856 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5858 2006-07-07 Richard Guenther <rguenther@suse.de>
5861 * tree.h (build_one_cst): Declare.
5862 * tree.c (build_one_cst): New function.
5863 * tree-ssa-math-opts.c (get_constant_one): Remove.
5864 (insert_reciprocals): Use build_one_cst.
5865 * fold-const.c (fold_plusminus_mult): Likewise.
5867 2006-07-07 Roger Sayle <roger@eyesopen.com>
5869 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5870 * cfgloopanal.c (dump_graph): Likewise.
5871 * dojump.c (discard_pending_stack_adjust): Likewise.
5872 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5874 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5875 * function.c (finalize_block_changes): Likewise.
5876 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5877 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5878 * rtl.c (dump_rtx_statistics): Likewise.
5879 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5881 * varray.c (dump_varray_statistics): Likewise.
5882 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5883 decode_decimal64, encode_decimal128, decode_decimal128,
5884 decimal_real_to_decimal): Likewise.
5886 2006-07-07 Richard Guenther <rguenther@suse.de>
5888 PR tree-optimization/28187
5889 * tree-vrp.c (vrp_operand_equal_p): New function.
5890 (vrp_bitmap_equal_p): Likewise.
5891 (update_value_range): Use them to compare old and new
5894 2006-07-06 Roger Sayle <roger@eyesopen.com>
5896 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5897 a default case to switch statement to silence compiler warnings.
5899 2006-07-06 Roger Sayle <roger@eyesopen.com>
5902 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5903 the configured assembler supports the x87's ffreep mnemonic.
5904 * configure: Regenerate.
5905 * config.in: Regenerate.
5907 * config/i386/i386.c (output_387_ffreep): New function.
5908 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5909 (output_387_reg_move): Likewise.
5911 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5913 Port to hosts whose 'sort' and 'tail' implementations
5914 treat operands with leading '+' as file names, as POSIX
5915 has required since 2001. However, make sure the code still
5916 works on pre-POSIX hosts.
5917 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5918 which says you should use "tail -c +N" rather than "tail +Nc".
5919 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5921 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5923 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5926 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5929 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5930 PRE_{INC,DEC} of TFmode.
5932 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5933 Alan Modra <amodra@bigpond.net.au>
5936 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5939 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5942 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5943 Remove duplicate gtu.
5945 2006-07-05 Jason Merrill <jason@redhat.com>
5949 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5950 * c-common.c (handle_packed_attribute): So don't copy it here.
5951 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5953 2006-07-05 Mike Stump <mrs@apple.com>
5955 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5957 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5960 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5962 2006-07-05 Richard Guenther <rguenther@suse.de>
5965 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5966 TARGET_SSE2 targets if using SSE math.
5967 (*absdf2_1): Likewise.
5969 2006-07-05 Richard Guenther <rguenther@suse.de>
5971 PR tree-optimization/28162
5972 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5973 make sure to convert the operands to the correct type.
5975 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5977 PR tree-optimization/28218
5979 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5980 to calculate and free the dominator information.
5982 2006-07-04 Peter O'Gorman <peter@pogma.com>
5984 * mklibgcc.in: chmod 644 before ranlib during install.
5986 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5987 J"orn Rennecke <joern.rennecke@st.com>
5989 * configure.ac (.eh_frame data check): Use diff -b.
5991 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5994 * Makefile.in (BUILD_RTL): Add build/vec.o.
5995 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5996 (build/genextract): Delete.
5997 (build/genautomata): Likewise.
5999 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6002 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6003 128-bit IBM long doubles for ABI_V4.
6005 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6007 * tree.c (range_in_array_bounds_p): New predicate.
6008 * tree.h (range_in_array_bounds_p): Declare it.
6009 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6010 return a less conservative answer.
6011 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6012 and flag 'is_group'.
6013 (IS_ELEMENT_FOR_GROUP): New macro.
6014 (FOR_EACH_ACTUAL_CHILD): Likewise.
6015 (next_child_for_group): New helper function.
6016 (can_completely_scalarize_p): Take into account groups.
6017 (sra_hash_tree): Handle RANGE_EXPR.
6018 (sra_elt_eq): Likewise.
6019 (lookup_element): Be prepared for handling groups.
6020 (is_valid_const_index): Delete.
6021 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6022 instead of is_valid_const_index.
6023 <ARRAY_RANGE_REF>: New case.
6024 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6025 is_valid_const_index.
6026 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6027 (scan_dump): Dump info for groups too.
6028 (decide_instantiation_1): Likewise.
6029 (decide_block_copy): Assert that the element is not a group.
6030 Propagate decision to groups.
6031 (generate_one_element_ref): Handle RANGE_EXPR.
6032 (mark_no_warning): Iterate over actual childs.
6033 (generate_copy_inout): Likewise.
6034 (generate_element_copy): Likewise.
6035 (generate_element_zero): Likewise.
6036 (generate_element_init_1): Likewise.
6037 (dump_sra_elt_name): Handle RANGE_EXPR.
6039 2006-07-03 Roger Sayle <roger@eyesopen.com>
6041 PR tree-optimization/26251
6042 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6043 (thread_block): When optimizing for size refuse to thread jumps
6044 that would require duplication of blocks other than redirection
6047 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6049 * configure.ac: Fix thinko in previous check-in.
6050 * configure: Regenerate.
6052 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6055 * configure.ac (for lang...): Simplify nesting of conditionals.
6056 Test subdir_requires for non-enabled languages. Move processing
6057 of lang_opt_files and lang_tree_fiels below that test.
6058 * configure: Regenerate.
6059 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6061 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6063 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6065 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6067 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6070 2006-06-29 Jason Merrill <jason@redhat.com>
6077 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6078 * c-common.c (c_determine_visibility): Handle it here.
6079 * c-decl.c (finish_decl): Call c_determine_visibility for
6081 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6083 * varasm.c (default_assemble_visibility): Likewise.
6084 * c-common.c (handle_visibility_attribute): Complain about trying
6085 to give visibility to an already defined class, or trying to change
6086 declared visibility. Always attach the attribute.
6091 * attribs.c (decl_attributes): Ignore type-in-place attributes
6092 once the type has been defined.
6094 2006-06-29 Roger Sayle <roger@eyesopen.com>
6097 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6098 to indicate the cpplib has issued an error message for us.
6100 2006-06-29 Asher Langton <langton2@llnl.gov>
6103 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6104 insert a label at the end of an function under Mach-O.
6106 2006-06-29 Eric Christopher <echristo@apple.com>
6107 Evan Cheng <evan.cheng@apple.com>
6109 * predicates.md (vector_all_ones_operand): New.
6110 (nonimmediate_or_sse_const_operand): Ditto.
6111 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6112 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6113 (standard_sse_mode_p): Ditto.
6114 (standard_sse_constant_p): Add case for -1 vector.
6115 (ix86_expand_vector_move): Try to use.
6116 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6117 Call standard_sse_constant_opcode.
6118 (*movv4sf_internal): Ditto.
6119 (*movv2df_internal): Ditto.
6121 2006-06-29 Roger Sayle <roger@eyesopen.com>
6123 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6124 of XEXP to extract the operands of a MATCH_CODE rtx.
6126 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6128 * tree.c (tree_size): Do not waste tail padding in
6129 struct tree_string and make the size be the same as
6130 build_string will generate.
6132 2006-06-28 Jason Merrill <jason@redhat.com>
6135 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6136 may_aliases already in the tag's annotations to the bitmap.
6138 2006-06-28 Roger Sayle <roger@eyesopen.com>
6140 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6142 2006-06-28 Roger Sayle <roger@eyesopen.com>
6144 * genpreds.c (generate_switch_p): New function.
6145 (add_mode_tests): Push the new mode test down inside an AND expr
6146 if this allows the switch-suitable MATCH_CODE to be near the root.
6147 (write_match_code_switch): New function to write a MATCH_CODE as
6149 (write_predicate_stmts): New function to write a predicate RTX
6150 expression as a sequence of statements.
6151 (write_one_predicate_function): Use write_predicate_stmts.
6152 (write_tm_constrs_h): Likewise.
6154 2006-06-26 Fred Fish <fnf@specifix.com>
6156 * config/mips/t-sb1: New file.
6157 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6160 2006-06-26 DJ Delorie <dj@redhat.com>
6162 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6164 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6165 Jayant Sonar <jayants@kpitcummins.com>
6166 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6168 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6169 (subsi3, subsi3_1, subsi3_2): New.
6170 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6171 * config/m32c/mov.md (SI mov peephole): New.
6172 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6173 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6175 2006-06-26 Olivier Hainque <hainque@adacore.com>
6177 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6178 a CALL_EXPR target function declaration.
6180 2006-06-26 Richard Guenther <rguenther@suse.de>
6182 * tree.c (build_string): Do not waste tail padding in
6185 2006-06-26 Richard Guenther <rguenther@suse.de>
6187 * ggc-page.c (init_ggc): Add missing element to size_lookup
6191 2006-06-23 Richard Guenther <rguenther@suse.de>
6193 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6194 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6195 alignment requests instead. Add verification code.
6196 Add struct tree_function_decl and struct tree_binfo size to
6197 extra_order_size_table. Add missing element to size_lookup
6200 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6203 * fold-const.c (const_binop): Be prepared for self returning zero.
6204 Simplify code handling complex values.
6206 2006-06-24 Olivier Hainque <hainque@adacore.com>
6208 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6209 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6212 2006-06-24 Olivier Hainque <hainque@adacore.com>
6214 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6215 ARRAY_REF, so have the callback called for the low bound expression.
6217 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6219 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6220 * c-typeck.c (c_common_type): Disallow operations on decimal float
6221 types and other float types.
6222 * convert.c (convert_to_real): Don't ignore conversions involving
6223 decimal float types.
6225 2006-06-23 Olivier Hainque <hainque@adacore.com>
6227 * tree.c (max_int_size_in_bytes): New function, inspired from
6228 code in function.c:assign_temp.
6229 * tree.h (max_int_size_in_bytes): Declare.
6230 * function.c (assign_temp): Use it.
6231 * gimplify.c (create_tmp_var): Relax the assertions on the type
6232 properties, not mandating constant size any more.
6233 (force_constant_size): New static function.
6234 (gimple_add_tmp_var): Use it, forcing variable size to a
6235 constant upper bound if it is not constant on entry.
6237 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6240 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6241 for initialization and setting of one_only flag to ...
6242 (i386_pe_encode_section_info): ...here.
6243 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6244 Recheck that the symbol has not been defined.
6246 2006-06-23 Richard Guenther <rguenther@suse.de>
6248 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6249 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6250 alignment requests instead. Add verification code.
6251 Add struct tree_function_decl and struct tree_binfo size to
6252 extra_order_size_table. Add missing element to size_lookup
6255 2006-06-22 Roger Sayle <roger@eyesopen.com>
6256 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6259 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6260 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6262 2006-06-23 Ben Elliston <bje@au.ibm.com>
6264 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6265 negate dn -- manipulate it directly.
6267 2006-06-22 Roger Sayle <roger@eyesopen.com>
6268 Steven Bosscher <stevenb.gcc@gmail.com>
6271 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6272 generated by gen_move_insn to add REG_LABEL notes if necessary.
6274 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6276 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6277 (leaf_entry): Remove use of MIN_ESA.
6279 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6281 PR rtl-optimization/28121
6282 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6285 2006-06-21 DJ Delorie <dj@redhat.com>
6287 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6289 (mulhisi3_r): Likewise.
6291 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6294 * coverage.c (coverage_counter_alloc): Leave the index type
6296 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6299 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6301 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6302 section from the "Options for Code Generation Conventions".
6304 2006-06-21 Richard Henderson <rth@redhat.com>
6308 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6310 (global_symbolic_operand): Allow weak symbols, even if local_p.
6312 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6314 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6315 (find_interesting_uses_address): Punt if above function returns true.
6317 2006-06-21 Richard Guenther <rguenther@suse.de>
6319 * configure: Regenerated.
6321 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6323 * config/mips/mips.c (function_arg): Where one part of a
6324 complex argument is in registers and the other part in the stack,
6325 return a REG not a PARALLEL.
6327 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6329 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6330 when cross-compiling. Do not substitute libstdcxx_incdir.
6331 * configure: Regenerated.
6333 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6335 * varasm.c (mergeable_string_section): Check for embedded NULs and
6336 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6337 rather than TREE_STRING_LENGTH bytes.
6339 2006-06-21 Richard Guenther <rguenther@suse.de>
6341 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6342 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6345 2006-06-21 Richrad Guenther <rguenther@suse.de>
6347 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6348 Limit iteration over the dominators.
6350 2006-06-20 Roger Sayle <roger@eyesopen.com>
6352 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6353 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6355 2006-06-20 Richard Guenther <rguenther@suse.de>
6356 Michael Matz <matz@suse.de>
6358 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6360 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6361 * et-forest.h (et_free_pools): Prototype new function.
6362 * et-forest.c (et_free_tree_force): Free parent occurrence.
6363 (et_free_pools): New function.
6364 * dominance.c (free_dominance_info): Free et-forest alloc
6367 2006-06-20 Roger Sayle <roger@eyesopen.com>
6369 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6370 integer modes, attempt to directly construct an integer constant.
6372 * fold-const.c (native_encode_vector): Determine the size of each
6373 element from the vector type instead of the first vector element.
6375 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6376 if all of its elements/components are constant.
6377 (build_constructor_from_list): Likewise.
6379 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6381 PR tree-optimization/27331
6382 * tree-data-ref.c (free_data_ref): New function.
6383 (create_data_ref): Fail if the data reference has unknown access
6385 (free_data_refs): Use free_data_ref.
6387 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6390 * tree-inline.c (setup_one_parameter): Strip useless
6391 type conversion before adding it to the IR.
6392 (declare_return_variable): Likewise.
6394 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6397 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6399 2006-06-19 Mike Stump <mrs@apple.com>
6401 * tree.c (variably_modified_type_p): VM arguments don't make the
6404 2006-06-19 Richard Guenther <rguenther@suse.de>
6406 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6407 type conversions after folding.
6409 2006-06-19 Richard Guenther <rguenther@suse.de>
6411 * ggc-page.c (extra_order_size_tab): Add entries with
6412 size of struct function and basic_block.
6413 (size_lookup): Extend to cover sizes up to 511.
6414 (ggc_alloc_stat): Adjust user.
6415 (ggc_pch_count_object): Likewise.
6416 (ggc_pch_alloc_object): Likewise.
6417 (ggc_pch_write_object): Likewise.
6419 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6421 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6422 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6425 2006-06-19 Denis Chertykov <denisc@overta.ru>
6427 * config/avr/libgcc.S : Correct my wrong previous commit.
6429 2006-06-19 Roger Sayle <roger@eyesopen.com>
6432 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6433 have stripped a SUBREG from the shift count, so we may need to
6434 convert_to_mode back to the type's mode before calling make_tree.
6435 Use new_amount instead of amount to avoid expanding a tree twice.
6437 2006-06-19 Richard Guenther <rguenther@suse.de>
6440 * fold-const.c (operand_equal_p): Check if the argument types
6441 have the same precision before stripping NOPs.
6443 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6445 Fix PR tree-optimization/27341
6446 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6448 * tree-complex.c (pass_lower_complex): Update SMT usage.
6450 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6452 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6453 Add a new alternative to the constraint strings. Add move of
6454 operand 1 to 3 to the splitter definition.
6455 ("doloop_si_long"): Second contraint alternative removed.
6457 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6459 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6460 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6462 (AVR_HAVE_MOVW) Define.
6463 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6464 (ASM_SPEC): Add avr25.
6465 (LINK_SPEC): Add avr25.
6466 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6467 (base_arch_s): Add new member 'have_movw_lpmx'.
6468 (avr_arch_types): Init 'have_movw_lpmx'.
6469 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6470 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6471 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6472 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6473 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6475 (avr_file_start): Do not output '.arh' derective.
6476 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6477 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6478 * config/avr/avr.md (mcu_enhanced): Delete.
6479 (mcu_have_movw): Define.
6480 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6481 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6482 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6483 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6484 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6485 attiny861 and at86rf401 devices.
6487 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6489 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6492 2006-06-17 Karl Berry <karl@gnu.org>
6494 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6495 doc/gccint.texi, doc/install.texi (@dircategory): Use
6496 "Software development" instead of "Programming", following
6497 the Free Software Directory.
6499 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6501 * config/i386/i386.c (legitimate_tls_address)
6502 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6503 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6504 (*tls_dynamic_gnu2_combine_64): Likewise.
6506 2006-06-16 Richard Guenther <rguenther@suse.de>
6509 * fold-const.c (negate_expr_p): Do not introduce undefined
6510 overflow in negating INTEGER_CSTs.
6511 (fold_negate_expr): Rename from negate_expr. Revert last
6512 change for folding BIT_NOT_EXPR. Change semantics to
6513 return NULL_TREE for non-simplified negations. Do not
6514 strip type conversions and unify type handling.
6515 (negate_expr): New function, wrap around fold_negate_expr
6516 but ensure building a tree always. Strip type conversions
6517 here, fold to result type.
6518 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6520 2006-06-16 Roger Sayle <roger@eyesopen.com>
6523 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6524 that (would) return their results in stack registers.
6526 2006-06-16 Michael Matz <matz@suse.de>
6527 Richard Guenther <rguenther@suse.de>
6529 * fold-const.c (fold_truthop): Only return new tree node if
6530 we canonicalized something.
6532 2006-06-16 Richard Guenther <rguenther@suse.de>
6534 * function.h (enum function_frequency): Move declaration
6535 out of struct function.
6536 (struct function): Move bool fields and the enum to the bitfield
6537 section. Reorder elements to avoid padding. Remove unused
6538 fields left over from the RTL inliner removal.
6539 * function.c (free_after_compilation): Do not zero removed fields.
6540 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6541 (ipa-type-escape.o): Likewise.
6543 2006-06-16 Richard Guenther <rguenther@suse.de>
6545 * cgraph.h (struct cgraph_local_info): Turn bool elements
6547 (struct cgraph_node): Likewise.
6548 (struct cgraph_varpool_node): Likewise.
6550 2006-06-15 Richard Guenther <rguenther@suse.de>
6552 * fold-const.c (fold_truth_not_expr): Rename from
6553 invert_truthvalue. Give it fold_* semantics to avoid
6555 (invert_truthvalue): New function. Wrapper around
6556 fold_truth_not_expr.
6557 (optimize_minmax_comparison): Avoid creating garbage.
6558 (fold_unary): Use fold_truth_not_expr for folding
6560 (fold_ternary): Replace uses of invert_truthvalue with
6561 fold_truth_not_expr where applicable.
6562 * tree.h (fold_truth_not_expr): Prototype.
6564 2006-06-16 Richard Guenther <rguenther@suse.de>
6566 PR tree-optimization/27781
6567 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6568 * ipa-pure-const.c (target.h): Include.
6569 (analyze_function): Do not analyze functions that do not
6572 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6575 * tree-dfa.c (referenced_vars_dup_list): Remove.
6576 (find_referenced_vars): Remove assert.
6577 (referenced_var_check_and_insert): Replace dup list with assert.
6578 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6579 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6581 2006-06-15 Richard Guenther <rguenther@suse.de>
6583 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6584 extra unused identifiers if not dumping.
6585 (create_variable_info_for): Likewise.
6587 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6589 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6590 (derive_constant_upper_bound): Derive more precise upper bound in
6591 common cases. Return type changed to double_int.
6592 (record_estimate): Reflect the changed return type of
6593 derive_constant_upper_bound.
6594 * double-int.c (double_int_zext, double_int_sext): Fix.
6596 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6598 * configure.ac (CFLAGS): Get them from the toplevel or from the
6599 configure invocation.
6600 * configure: Regenerate.
6601 * Makefile.in (CFLAGS): Substitute value provided by configure.
6603 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6606 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6607 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6608 rather than calling add_stmt on it.
6609 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6611 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6614 * reload1.c (reload): Remove registers returned by update_eliminables
6615 from used_spill_regs.
6617 2006-06-13 DJ Delorie <dj@redhat.com>
6619 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6621 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6623 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6624 html__strip_dir, html__mkdir_p. Enhance install-html target.
6625 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6626 * configure: Regenerate.
6628 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6630 * fold-const.c (fold_cond_expr_with_comparison): Check for
6631 Objective-C++ as language in deciding COND_EXPR transformation.
6633 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6636 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6637 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6638 * config/sh/lib1funcs.h (SL, SL1): Define.
6639 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6640 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6641 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6642 (OBJS_Os_4_200): New variable.
6643 ($(T)libgcc-Os-4-200.a): Use it.
6644 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6645 when dividing 1 and/or by 0.
6647 2006-06-13 Roger Sayle <roger@eyesopen.com>
6649 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6650 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6651 * configure: Regenerate.
6653 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6655 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6656 for real instruction.
6658 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6661 * haifa-sched.c (check_cfg): Handle special case.
6663 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6666 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6667 Add debug_info parameter. Chain the vars to the BLOCK instead
6668 of the BIND_EXPR if debug info are requested for them.
6669 (pop_gimplify_context): Adjust for above change.
6670 (gimple_add_tmp_var): Likewise.
6671 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6673 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6674 (convert_local_reference): Likewise.
6675 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6676 (finalize_nesting_tree_1): Request that debug info be emitted
6677 for debug_var_chain.
6679 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6681 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6682 for PR target/27863.
6684 2006-06-13 Richard Guenther <rguenther@suse.de>
6687 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6689 2006-06-13 Richard Guenther <rguenther@suse.de>
6691 PR tree-optimization/27830
6692 * tree-inline.c (copy_body_r): For copying the operand
6693 of an ADDR_EXPR make sure to fold &* afterwards.
6695 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6697 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6698 lvalues in the fb_none case with side-effects.
6700 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6702 * tree-flow.h: Remove the prototype for
6703 compute_phi_arg_on_exit.
6704 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6705 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6708 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6710 * builtins.c (expand_builtin_return_addr): Only use
6711 frame_pointer_rtx when count == 0 and we are expanding
6712 __builtin_return_address.
6714 2006-06-12 Fred Fish <fnf@specifix.com>
6716 * config/mips/mips.c (mips_file_start): Create special section
6717 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6719 2006-06-11 Eric Christopher <echristo@apple.com>
6722 * stor-layout.c (place_field): Remove check for
6723 remaining_in_alignment when aligning at the end of a run.
6725 2006-06-11 Eric Christopher <echristo@apple.com>
6728 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6731 2006-06-11 Roger Sayle <roger@eyesopen.com>
6734 Revert incorrect fix for PR target/27158
6735 2006-05-08 Roger Sayle <roger@eyesopen.com>
6736 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6737 of a reg_equiv_constant if the result is a legitimate constant.
6739 2006-06-11 Roger Sayle <roger@eyesopen.com>
6742 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6743 extract a CONST_VECTOR element and interpret it as an integer.
6744 (vspltis_constant): Use const_vector_elt_as_int instead of the
6745 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6746 * config/rs6000/predicates.md (easy_vector_const): Consider
6747 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6749 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6752 * stor-layout.c (update_alignment_for_field): Don't add extra
6753 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6756 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6758 * config/mips/t-rtems: Add EL/EB multilib variants.
6760 2006-06-09 Mike Stump <mrs@apple.com>
6762 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6764 2006-06-09 David Daney <ddaney@avtrex.com>
6766 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6768 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6770 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6772 2006-06-09 Richard Guenther <rguenther@suse.de>
6774 PR tree-optimization/26998
6775 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6776 of signed types, only TYPE_MIN_VALUE is special, but for both,
6777 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6778 in this case, as is -fwrapv.
6780 2006-06-08 Mike Stump <mrs@apple.com>
6783 * config/darwin.c (darwin_asm_output_anchor): Disable
6784 -fsection-anchors on darwin for now.
6785 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6786 * rs6000/rs6000.c (optimization_options): Likewise.
6788 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6791 * config/i386/i386.c (classify_argument): Skip fields with invalid
6794 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6796 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6797 (cse_insn): Likewise for the stack_pointer_rtx.
6799 2006-06-08 Roger Sayle <roger@eyesopen.com>
6801 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6802 conditions from floating point comparisons.
6804 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6807 * expmed.c (struct alg_hash_entry): Fix type of field T
6808 to match synth_mult argument.
6809 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6811 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6814 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6817 2006-06-08 Richard Guenther <rguenther@suse.de>
6820 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6821 only, if overflow is defined and not trapping.
6822 (negate_expr): Likewise.
6824 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6826 PR tree-optimization/27872
6827 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6828 flag on the new exit edge of the unrolled loop.
6830 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6832 PR rtl-optimization/26449
6833 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6835 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6838 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6839 referenced_variables with matching DECL_UID's.
6840 (find_referenced_vars): Make sure duplicate list is empty to start.
6841 (referenced_var_p): Remove.
6842 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6843 Check if var is in the list, and add if needed. Update the duplicate
6844 list if a different var is in the list with the same DECL_UID.
6845 (add_referenced_var): Call routine to check and insert.
6846 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6847 * tree-flow.h (referenced_vars_dup_list): External declaration.
6849 2006-06-07 Fred Fish <fnf@specifix.com>
6851 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6854 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6857 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6858 the imaginary and real parts of a clobbered register.
6859 Emit insn to set the imaginary part.
6861 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6863 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6864 in lieu of unwind-dw2-fde.c.
6866 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6868 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6870 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6873 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6874 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6875 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6876 V4SImode temporaries and operations instead.
6878 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6880 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6883 2006-06-06 Mike Stump <mrs@apple.com>
6885 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6886 installing during build.
6888 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6890 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6892 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6893 * config/ia64/ia64.c (params.h): New header.
6894 (ia64_optimization_options): New function to adjust parameters.
6895 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6896 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6897 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6899 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6901 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6903 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6906 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6908 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6909 Victor Kaplansky <victork@il.ibm.com>
6911 PR tree-optimization/26360
6912 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6915 2006-06-04 Roger Sayle <roger@eyesopen.com>
6916 Andrew Pinski <pinskia@physics.uc.edu>
6919 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6920 for LABEL_DECL before calling DECL_WEAK.
6923 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6924 LABEL_DECL and PARM_DECL.
6926 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6930 * c-decl.c (grokdeclarator): Disallow variably modified types at
6931 file scope. Avoid marking shared array type of constant size as
6934 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6937 * c-common.c (fold_offsetof_1): Handle static members.
6939 2006-06-04 Eric Christopher <echristo@apple.com>
6941 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6942 (debug_rli): Output value for remaining_in_alignment.
6943 (update_alignment_for_field): Unconditionalize
6944 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6945 extra alignment code.
6946 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6947 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6948 * tree.h (record_layout_info_s): Remove prev_packed.
6949 * doc/extend.texi (ms_struct): Add documentation of format.
6951 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6953 * tree.h: Declare folding_initializer.
6954 * builtins.c (fold_builtin_constant_p): Give definite answer
6955 if folding inside an initializer.
6956 * fold-const.c: Define folding_initializer.
6957 (START_FOLD_INIT): Save and then set folding_initializer.
6958 (END_FOLD_INIT): Restore folding_initializer.
6960 2006-06-04 Richard Guenther <rguenther@suse.de>
6962 PR tree-optimization/27039
6963 * fold-const.c (fold_comparison): Handle pointer comparison
6964 again for all comparison codes. Compare offsets in signed
6966 (fold_binary): Move code from here.
6968 2006-06-03 Roger Sayle <roger@eyesopen.com>
6971 * config/i386/i386.c (construct_container): Split static issued_error
6972 flag into issued_sse_arg_error, issued_sse_ret_error and
6973 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6974 requires the use of x87 registers and the user explicitly
6975 specified the -mno-80387 command line option.
6977 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6979 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6980 HAVE_DECL_SIGALTSTACK.
6982 (segv_handler): Use MC_FLD.
6983 * configure.ac: Check for a sigaltstack declaration.
6984 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6985 * configure: Regenerate.
6986 * config.in: Regenerate.
6988 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6991 * Makefile.in (stmp-fixinc): Fix typo.
6993 2006-06-02 Roger Sayle <roger@eyesopen.com>
6995 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6996 are type correct. Clean-up.
6997 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6998 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7000 2006-06-01 DJ Delorie <dj@redhat.com>
7002 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7003 shift, as we've disabled the "switch" insn that needs it.
7005 2006-06-01 Per Bothner <bothner@bothner.com>
7007 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7008 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7009 * c-ppoutput.c (cb_define): Don't increment line 0.
7011 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7013 * doc/invoke.texi: Add cpu_type power6.
7014 * config.gcc: Add cpu_type power6.
7015 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7016 to power5+ with Altivec.
7017 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7018 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7020 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7022 * config/avr/avr.h (SET_ASM_OP): Define.
7024 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7026 * config/bfin/bfin.c: Fix comment typos.
7028 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7031 * doc/install.texi: Document --enable-bootstrap and
7032 --disable-bootstrap.
7034 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7036 * doc/install.texi: Document that InfoZIP can replace jar.
7038 2006-05-31 Roger Sayle <roger@eyesopen.com>
7040 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7041 isn't available, directly generate the simpler x87 patterns without
7042 the (use (const_int 0)).
7043 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7044 implementation isn't available.
7045 (*negdf2_1): Likewise.
7046 (*negxf2_1): XF mode negation is always done using the x87.
7047 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7049 2006-05-31 Roger Sayle <roger@eyesopen.com>
7051 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7052 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7054 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7056 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7058 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7059 * config/bfin/bfin.c (basic-block.h): Include.
7060 (struct machine_function): New.
7061 (bfin_init_machine_status): New.
7062 (override_options): Initialize init_machine_status.
7063 (bfin_hardware_loop): New.
7064 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7065 (DEF_VEC_P (loop_info)): New.
7066 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7067 (struct loop_info): New.
7068 (loop_info): New typedef.
7069 (struct loop_work): New.
7070 (loop_work): New typedef.
7071 (DEF_VEC_O (loop_work)): New.
7072 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7073 (bfin_dump_loops): New.
7074 (bfin_bb_in_loop): New.
7075 (bfin_scan_loop): New.
7076 (bfin_optimize_loop): New.
7077 (bfin_reorg_loops): New.
7078 (bfin_reorg): Use bfin_reorg_loops.
7079 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7081 (I_REGNO_P): Simplify.
7082 (DP_REGNO_P, DPREG_P): New macros.
7083 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7084 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7085 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7086 Add LT_REGS, LC_REGS, LB_REGS.
7087 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7089 (REGNO_REG_CLASS): Deal with loop registers.
7090 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7092 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7093 New constants for loop registers.
7094 (UNSPEC_LSETUP_END): New.
7095 (seq_insns): New define_attr. Set it for appropriate insns.
7096 (movsi_insn): Add alternatives for move from/to
7097 loop count registers.
7098 (doloop_end): New define_expand.
7099 (loop_end): New define_insn.
7100 (define_split for bad doloop_end): New.
7101 (lsetup_with_autoinit): New define_insn.
7102 (lsetup_without_autoinit): New define_insn.
7103 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7104 * config/bfin/predicates.md (lc_register_operand): New.
7105 (lt_register_operand): New.
7106 (lb_register_operand): New.
7107 (nondp_register_operand): New.
7108 (nondp_reg_or_memory_operand): New.
7109 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7111 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7113 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7114 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7116 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7118 * Makefile.in (CATALOGS): Add po/ prefix.
7119 * configure: Regenerated.
7121 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7124 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7125 a shift operand before calling shift_op. Avoid redundant call of
7128 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7129 DJ Delorie <dj@redhat.com>
7131 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7132 we're inserting is a singlt-bit constant.
7134 2006-05-30 Roger Sayle <roger@eyesopen.com>
7136 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7137 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7139 2006-05-30 Roger Sayle <roger@eyesopen.com>
7141 PR tree-optimization/23452
7142 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7143 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7144 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7145 complex values and with -ffast-math for FP complex values.
7147 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7149 * c-common.h: Remove the prototype for yyparse.
7150 * rtl.h: Remove the prototype for init_loop.
7152 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7154 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7157 2006-05-30 Roger Sayle <roger@eyesopen.com>
7159 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7161 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7162 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7164 2006-05-30 Dirk Mueller <dmueller@suse.de>
7167 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7168 for CONSTANT_CLASS_P expresisons.
7170 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7173 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7175 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7177 PR tree-optimization/27779
7178 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7179 initial_condition instead of CHREC_LEFT.
7181 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7183 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7184 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7185 Make prototypes ISO C90.
7187 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7188 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7190 * see.c (see_analyze_one_def): Correct check.
7191 (see_get_extension_data): Check if extension is parallel.
7192 (see_get_extension_reg): Likewise.
7194 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7197 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7198 into register for (code == GTU).
7200 2006-05-29 Roger Sayle <roger@eyesopen.com>
7202 PR tree-optimization/24964
7203 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7204 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7205 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7206 abs(x)*abs(x) as x*x for scalar floating point modes.
7208 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7211 * lambda-code.c (perfect_nestify): Don't copy statements
7212 in the inner loop: move them to the inner loop header.
7214 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7217 * c-tree.texi: Document OpenMP directives and clauses.
7219 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7221 * varasm.c (globalize_decl): Fix indentation.
7223 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7226 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7227 pass_fre, pass_store_ccp, pass_copy_prop,
7228 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7229 pass_return_slot, pass_object_size, pass_lim,
7230 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7231 pass_loop_prefetch and pass_stdarg.
7233 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7235 * config/bfin/bfin.opt (mfdpic): New option.
7236 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7237 (EXTRA_MULTILIB_PARTS): Likewise.
7238 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7239 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7241 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7242 (CRT_CALL_STATIC_FUNCTION): New.
7243 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7245 (CRT_CALL_STATIC_FUNCTION): New.
7246 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7248 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7249 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7250 (initialize_trampoline): Changed to handle FD-PIC code generation.
7251 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7252 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7253 (override_options): Disallow -mid-shared-library -mfdpic combination.
7254 Can't do unaligned ops if FD-PIC.
7255 Turn off flag_pic if trying to generate non-id-shared-library
7256 non-fdpic code, since it's not supported.
7257 (bfin_assemble_integer): New function.
7258 (TARGET_ASM_INTEGER): Define.
7259 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7261 * config/bfin/crtn.s: Restore them.
7262 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7264 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7265 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7266 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7267 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7268 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7270 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7271 FDPIC_REGS and FDPIC_FPTR_REGS.
7272 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7273 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7274 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7275 (load_funcdescsi): New pattern.
7276 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7277 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7278 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7280 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7282 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7285 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7287 * tree-flow.h: Remove the prototype for add_type_alias.
7288 * tree-ssa-alias.c (add_type_alias): Remove.
7290 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7292 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7293 config/fr30/fr30.md, config/i386/i386-interix.h,
7294 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7295 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7296 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7297 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7298 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7299 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7300 Follow spelling conventions.
7301 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7302 Follow spelling conventions.
7304 2006-05-27 Richard Guenther <rguenther@suse.de>
7307 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7308 to produce a constant of value 1 of generic type.
7310 2006-05-27 Dirk Mueller <dmueller@suse.de>
7312 * cgraphunit.c (decide_is_function_needed): Fix wrong
7315 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7317 PR rtl-optimization/27661
7318 * reload.c (find_reloads): When reloading a VOIDmode constant
7319 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7320 use Pmode as mode of the reload register.
7322 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7324 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7325 is enabled at -O and above.
7327 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7330 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7333 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7336 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7337 for anonymous variables explicitly declared by front ends.
7339 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7341 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7342 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7343 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7344 ref-all pointers, run a finalization pass for them.
7345 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7346 (finalize_ref_all_pointers): New function.
7347 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7348 regular pointer type to a ref-all pointer type.
7349 (get_tmt_for): Return the special memory tag for ref-all pointers.
7351 2006-05-25 Richard Guenther <rguenther@suse.de>
7354 * fold-const.c (fold_binary): Do not look at the stripped
7355 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7357 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7359 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7360 for LT and GT if the computed range is effectively empty.
7362 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7365 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7366 mips_quad_format formats instead of ieee_single_format,
7367 ieee_double_format and ieee_quad_format formats, respectively.
7369 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7371 PR tree-optimization/27639
7372 PR tree-optimization/26719
7373 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7374 call to scev_probably_wraps_p.
7375 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7376 used_in_pointer_arithmetic_p, convert_step): Removed.
7377 (nowrap_type_p): New function.
7378 (scev_probably_wraps_p): Rewritten.
7379 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7380 chrec_convert if chrec_convert_aggressive might have been used.
7381 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7382 scev_direction): New functions.
7383 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7384 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7385 instead of convert_step.
7386 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7387 (convert_step): Declaration removed.
7388 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7390 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7392 * df-core.c: Added to header comments.
7393 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7394 df_ur_bb_info, df_urec_bb_info): Added comments.
7395 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7396 urec, ri problems): Fixed header comments.
7397 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7398 code from df_rd_transfer_function.
7400 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7402 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7403 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7404 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7406 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7408 * expr.c (undefined_operand_subword_p): New.
7409 (emit_move_multi_word): Do not generate move from undefined bits
7410 of a paradoxical subreg.
7412 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7414 PR rtl-optimization/27736
7415 * combine.c (replaced_rhs_value): New variable.
7416 (combine_instructions): Set it.
7417 (distribute_notes): When distributing a note in replaced_rhs_insn,
7418 check whether the value was used in replaced_rhs_value.
7420 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7423 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7424 add_referenced_var instead of add_referenced_tmp_var.
7425 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7426 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7428 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7429 tree_optimize_tail_calls_1): Use add_referenced_var.
7430 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7431 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7432 Use add_referenced_var.
7433 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7434 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7435 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7436 Use add_referenced_var.
7437 * tree-dfa.c (struct walk_state): Remove.
7438 (find_referenced_vars): Remove walk state and vars_found hash table.
7439 (make_rename_temp): Use add_referenced_var.
7440 (find_vars_r): Pass less parameters to add_referenced_var.
7441 (referenced_var_p): New. Is var in referenced_var hash table.
7442 (referenced_var_insert): Assert var isn't already in hash table.
7443 (add_referenced_var): Don't need walk_state parameter. Add var if it
7444 isn't already in the hash table.
7445 (add_referenced_tmp_var): Remove.
7446 (find_new_referenced_vars_1): Use add_referenced_var.
7447 * tree-ssa-pre.c (create_expression_by_pieces,
7448 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7449 Use add_referenced_var.
7450 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7451 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7452 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7454 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7455 vect_create_data_ref_ptr, vect_create_destination_var,
7456 vect_init_vector, vect_build_loop_niters,
7457 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7458 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7459 Use add_referenced_var.
7460 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7461 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7462 (add_referenced_var): Add prototype.
7463 * tree-ssa-structalias.c (get_constraint_for,
7464 intra_create_variable_infos): Use add_referenced_var.
7466 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7468 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7469 big-endian paradoxical subregs.
7470 * var-tracking.c (struct micro_operation_def): Document that,
7471 for modify micro operations, insn is the subsequent instruction.
7472 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7473 (var_reg_set, var_mem_set): ... new functions.
7474 (add_stores): Record subsequent insn.
7475 (compute_bb_dataflow): Use new functions for MO_USE.
7476 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7477 notes after the insn, and modify notes before the insn known
7478 to be the subsequent one.
7479 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7481 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7484 * config/i386/i386.c (ix86_expand_builtin): Use
7485 gen_sse3_monitor64 for TARGET_64BIT.
7487 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7489 PR rtl-optimization/26375
7490 PR rtl-optimization/26855
7491 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7493 (df_ru_bb_local_compute): Reversed statements and removed bogus
7494 comment explaining why they should be in wrong order.
7495 (df_ru_dump, df_rd_dump): Enhanced debug info.
7496 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7498 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7499 reaching uses and fixed space problem.
7501 2006-05-23 Jan Hubicka <jh@suse.cz>
7503 * cgraphunit.c (decide_is_function_needed): Also nested functions
7504 and functions declared inline can be optimized out at -O0.
7506 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7508 * doc/install.texi (Configuration): Remove reference to CrossGCC
7512 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7515 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7516 ix86_compare_emitted is non-NULL.
7518 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7521 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7524 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7526 PR rtl-optimization/25514
7527 * combine.c (replaced_rhs_insn): New variable.
7528 (combine_instructions): Set replaced_rhs_insn when trying to replace
7529 a SET_SRC with a REG_EQUAL note.
7530 (distribute_notes): Use replaced_rhs_insn when determining the live
7531 range of a REG_DEAD register.
7533 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7534 Anatoly Sokolov <aesok@post.ru>
7536 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7537 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7538 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7539 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7540 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7541 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7542 at90usb647, at90usb1286 and at90usb1287 devices.
7543 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7544 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7546 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7548 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7550 2006-05-22 Richard Guenther <rguenther@suse.de>
7553 2006-01-31 Richard Guenther <rguenther@suse.de>
7554 Paolo Bonzini <bonzini@gnu.org>
7556 * doc/install.texi (--disable-libgcc-math): Document.
7558 2006-05-22 Richard Guenther <rguenther@suse.de>
7561 2006-01-31 Richard Guenther <rguenther@suse.de>
7563 * doc/invoke.texi (-msselibm): Document.
7564 * target.h (expand_library_builtin): New target hook.
7565 * builtins.c (expand_builtin): Use expand_library_builtin.
7566 (default_expand_library_builtin): New function.
7567 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7568 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7569 (link_gcc_math_spec): Declare.
7570 (static_specs): Add link_gcc_math_spec.
7571 * expr.h (default_expand_library_builtin): Declare.
7572 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7573 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7574 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7575 * config/i386/i386.opt (msselibm): New target option.
7576 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7577 (ix86_init_sse_abi_builtins): New function.
7578 (ix86_expand_library_builtin): Likewise.
7579 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7580 (override_options): Handle error conditions wrt -msselibm.
7581 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7582 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7583 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7586 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7589 * c-common.c (self_promoting_args_p): Skip erroneous args.
7592 * c-decl.c (finish_struct): Skip erroneous fields.
7594 2006-05-22 Nick Clifton <nickc@redhat.com>
7596 * config/cris/cris.opt (march): Remove VarExists attribute.
7597 (max-stackframe=): Likewise.
7599 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7601 * doc/rtl.texi: Fix a typo.
7602 * see.c: Fix comment typos.
7604 * tree-ssa-structalias.h (alias_info): Remove num_references.
7606 2006-05-21 Mike Stump <mrs@apple.com>
7608 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7610 (darwin_pragma_options): Use BAD instead.
7611 (darwin_pragma_unused): Likewise.
7612 (darwin_pragma_ms_struct): Likewise.
7614 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7616 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7618 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7620 PR rtl-optimization/27671
7621 * simplify-rtx.c (simplify_relational_operation_1): Fix
7622 simplifications of (eq/ne (xor x y) y) and
7623 (eq/ne (xor x y) x).
7625 PR tree-optimization/26622.
7626 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7629 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7631 * tree-cfg.c: Prune whitespace.
7632 (debug_tree_cfg): Point to correct header containing the
7635 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7638 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7640 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7643 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7644 or sorry count is non zero.
7646 2006-05-20 Andreas Schwab <schwab@suse.de>
7648 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7650 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7651 Kenneth Zadeck <zadeck@naturalbridge.com>
7653 PR rtl-optimization/26855
7655 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7657 (df_scan_alloc): Added code to properly handle multiword hard
7658 registers and add all_blocks parameter.
7659 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7660 code to properly handle multiword hard registers.
7661 (df_rescan_blocks): Added code to remove deleted blocks from
7663 (df_ref_create_structure, df_ref_record): Added code to properly
7665 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7666 and set DF_REF_PARTIAL.
7667 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7668 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7669 (df_scan_add_problem): Added flags parameter.
7670 (df_ref_create_structure): Changed switching structure.
7671 (df_bb_refs_record): Fixed case where duplicate artificial refs
7672 were created. Changed location of flags.
7673 (df_record_entry_block_defs): Added code to make stack pointer
7674 live in entry block. Refined cases where frame pointer is needed.
7675 Changed location of flags.
7676 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7677 (df_set_state): Removed function.
7678 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7679 df_insn_create_insn_record, df_insn_refs_delete,
7680 df_ref_create_structure): Formatting changes.
7681 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7682 df_delete_basic_block): New function.
7683 (df_init): Changed location of flags.
7684 (df_add_problem): Added flags parameter and the way flags are
7686 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7687 debug_df_chain): Improved debugging output.
7688 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7689 (df_refs_chain_dump): Removed df parameter.
7690 (df_iterative_dataflow): Added consistency check.
7691 (df_prune_to_subcfg): Made public.
7692 (df_analyze_problem): Added blocks_to_init parameter and made
7694 (df_ref_record, df_bb_refs_record, df_mark_reg,
7695 df_record_exit_block_uses): Whitespace changes.
7696 (df_dump): Whitespace changes.
7697 * df.h: Some reordering to remove forward references.
7698 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7699 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7700 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7701 (dataflow.flags): New field.
7702 (df.flag): Deleted field.
7703 (df_alloc_function): Added additional bitmap parameter.
7704 (df_dependent_problem_function): New type.
7705 (df_problem.changeable_flags): New field.
7706 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7707 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7708 (df_mw_hardreg): New struct.
7709 (DF_INSN_UID_MWS): New macro.
7710 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7712 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7713 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7714 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7715 (df_set_state): Removed function.
7716 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7717 * df-problems.c (df_chain_dump): Removed df parameter.
7718 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7719 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7721 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7722 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7723 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7724 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7725 DF_REF_MUST_CLOBBER cases.
7726 (df_ru_bb_local_compute_process_def,
7727 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7728 df_lr_bb_local_compute, df_ur_bb_local_compute,
7729 df_chain_create_bb): Made subreg aware.
7730 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7731 df_lr_bb_local_compute, df_lr_bb_local_compute,
7732 df_chain_create_bb): Cleanup to use proper macros.
7733 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7734 code to fixup bitvectors.
7735 (df_ri_alloc): Cleared lifetime.
7736 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7737 df_create_unused_note): New function.
7738 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7739 REG_DEAD and REG_UNUSED notes as well as register information.
7740 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7741 df_chains_dump): Fixed crash if problem was never run.
7742 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7743 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7744 df_ri_add_problem): Processes flags in uniform manner.
7745 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7746 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7747 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7748 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7749 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7750 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7751 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7752 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7753 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7754 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7755 * see.c (see_initialize_data): Ditto.
7756 * final.c (rest_of_clean_state) Added regstack_completed.
7757 * rtl.h (regstack_completed): Ditto.
7758 * reg-stack.c (regstack_completed): Ditto.
7760 2006-05-19 Mike Stump <mrs@apple.com>
7762 * c-tree.h (default_conversion): Remove.
7763 * c-common.h (default_conversion): Add.
7765 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7767 * tree-vrp.c (valid_value_p): New function.
7768 (adjust_range_with_scev): Fail if the value of bound is not
7771 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7773 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7774 (mips_fallback_frame_state): Use syscall numbers to determine
7775 the appropriate li instruction for the current ABI. Only use
7776 __NR_sigreturn for o32.
7778 2006-05-19 Nicolas Setton <setton@adacore.com>
7780 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7781 * langhooks.c (lhd_dwarf_name): New function.
7782 * langhooks-def.h (lhd_dwarf_name): Declare.
7783 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7784 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7785 * ada/misc.c (gnat_dwarf_name): New function.
7786 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7788 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7790 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7792 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7793 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7794 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7795 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7796 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7797 determine the size of Wtype, etc.
7798 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7799 (swfloatfuncs): New variable.
7800 (dwfloatfuncs): Likewise.
7801 (lib2funcs): Remove floating-point conversion functions from
7802 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7803 the set of conversion routines needed. Allow entries to specify
7804 an object name, filename and word size. Update users accordingly.
7805 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7806 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7810 2006-02-08 Roger Sayle <roger@eyesopen.com>
7813 * config/fixtfdi.c: New libgcc source file.
7814 * config/fixunstfdi.c: New source file.
7815 * config/floatditf.c: New source file.
7816 * config/floatunditf.c: New souce file.
7817 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7818 files above instead of config/mips/_tilib.c.
7819 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7821 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7823 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7824 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7826 2006-05-18 Mike Stump <mrs@apple.com>
7828 Fix up vla, vm and [*] sematics.
7834 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7835 (c_vla_unspec_p): Add.
7836 (c_vla_type_p): Add.
7837 * c-decl.c (struct c_scope): Add had_vla_unspec.
7838 (build_array_declarator): Add support for [*].
7839 (grokdeclarator): Likewise.
7840 (grokparms): Likewise.
7841 (get_parm_info): Likewise.
7842 * c-objc-common.c (c_vla_unspec_p): Likewise.
7843 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7844 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7845 typeof when argument is a variably modified type not inside sizeof or alignof.
7846 (c_parser_direct_declarator_inner): Propagate errors.
7847 (c_parser_sizeof_expression): Add support for [*].
7848 (c_parser_parms_declarator): Initialize had_vla_unspec.
7849 (c_parser_parms_list_declarator): Likewise.
7850 * c-typeck.c (c_vla_type_p): Add.
7851 (composite_type): Add support for vla compositing.
7852 (comptypes_internal): Add support for vla compatibility.
7853 (c_expr_sizeof_expr): Evaluate vla arguments.
7854 * tree.c (variably_modified_type_p): Update comment for [*].
7856 2006-05-18 Michael Matz <matz@suse.de>
7859 * config.host: Make assignments to host_xmake_file cumulative.
7860 * config.host (*-darwin*): Test $host, not $target.
7862 2006-05-12 Stuart Hastings <stuart@apple.com>
7864 * config/i386/i386.opt (-mstackrealign): New flag.
7865 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7866 (ix86_handle_cconv_attribute): Emit error when
7867 force_align_arg_pointer attribute collides with too many regparms.
7868 (ix86_function_regparm): Limit regparms when used with
7869 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7870 Support stack-realigning prologue in non-main functions. Emit
7871 warning for nested functions under -mstackrealign, emit error for
7872 nested functions with force_align_arg_pointer attribute.
7873 * doc/extend.texi (force_align_arg_pointer): Document it.
7874 * doc/invoke.texi (-mstackrealign): Document it.
7876 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7878 PR rtl-optimization/27477
7879 * combine.c (try_combine): Don't split a parallel consisting
7880 of two sets into two individual sets if both sets reference
7883 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7885 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7886 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7888 * doc/options.texi (VarExists): Updated.
7890 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7892 * unwind-dw2.c: Add declarations for uw_update_context and
7894 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7895 detected, advance frame state and context once to skip over stub.
7897 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7901 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7902 Call rewrite_into_loop_closed_ssa only when something changed.
7903 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7904 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7905 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7906 Test for perfect_nest_p here. Fix formating.
7907 (replace_uses_equiv_to_x_with_y): Fix formating.
7908 (stmt_uses_op): Removed.
7909 (can_convert_to_perfect_nest): Removed loopivs parameter.
7910 Complete the test by checking the scalar dependences.
7911 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7914 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7917 From Dan Kegel <dank@kegel.com>:
7918 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7920 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7922 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7923 if the element type is variably modified without recursing.
7925 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7928 * tree-loop-linear.c (try_interchange_loops): Test for
7929 no data dependences.
7931 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7933 PR tree-optimization/27548
7934 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7935 range of ssa names that appear on abnormal edges.
7936 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7937 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7939 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7942 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7944 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7947 * tree.h (OMP_PARALLEL_COMBINED): Define.
7948 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7949 (new_omp_context): Add is_combined_parallel argument.
7950 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7951 new_omp_context caller.
7952 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7953 Adjust gimplify_scan_omp_clauses callers.
7954 (omp_is_private): Issue errors if iteration variable is firstprivate
7955 or reduction in the current context.
7956 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7957 on combined parallel workshare constructs.
7959 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7961 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7962 (gcc-options.o): New rule.
7964 * optc-gen.awk: Protect variables for gcc-options.o with
7965 #ifdef GCC_DRIVER/#endif.
7967 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7969 Fix PR tree-optimization/27373
7970 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7971 (forward_propagate_addr_expr): Update call.
7973 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7975 * doc/options.texi: Move the Negative option.
7977 2006-05-16 Richard Guenther <rguenther@suse.de>
7979 PR tree-optimization/22303
7980 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7982 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7983 ccp_fold did not simplify the statement.
7985 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7988 * Makefile.in (GCC_OBJS): New.
7989 (OBJS-common): Add opts-common.o.
7990 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7991 (cpp$(exeext)): Likewise.
7992 (gcc.o): Also depend on opts.h.
7993 (opts-common.o): New.
7995 * common.opt (gcoff): Add Negative(gdwarf-2).
7996 (gdwarf-2): Add Negative(gstabs).
7997 (gstabs): Add Negative(gstabs+).
7998 (gstabs+): Add Negative(gvms).
7999 (gvms): Add Negative(gxcoff).
8000 (gxcoff): Add Negative(gxcoff+).
8001 (gxcoff+): Add Negative(gcoff).
8002 * config/i386/i386.opt (m32): Add Negative(m64).
8003 (m64): Add Negative(m32).
8005 * doc/options.texi: Document the Negative option.
8007 * gcc.c: Include "opts.h".
8008 (main): Call prune_options after expandargv.
8010 * optc-gen.awk: Generate common declarations for all flag
8011 variables in options.c. Output the neg_index field.
8013 * opts.c (find_opt): Moved to ...
8014 * opts-common.c: Here. New file.
8016 * opts.h (cl_option): Add a neg_index field.
8018 (prune_options): Likewise.
8020 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8023 * omp-low.c (expand_omp_parallel): Don't assert
8024 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8025 instead search for it.
8028 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8031 2006-05-16 Andreas Schwab <schwab@suse.de>
8033 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8036 2006-05-15 Roger Sayle <roger@eyesopen.com>
8039 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8040 integer constants other than zero are only legitimate on TARGET_64BIT.
8041 <CONST_VECTOR> Only zero vectors are legitimate.
8042 (ix86_cannot_force_const_mem): Integral and vector constants can
8043 always be put in the constant pool.
8045 2006-05-16 DJ Delorie <dj@redhat.com>
8047 * crtstuff.c (__dso_handle): Set section from
8048 TARGET_LBIGCC_SDATA_SECTION if defined.
8049 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8050 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8052 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8055 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8058 2006-05-16 Ben Elliston <bje@au.ibm.com>
8060 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8062 2006-05-15 Per Bothner <per@bothner.com>
8064 * tree.c: (last_annotated_node): Use source_locus typedef.
8065 This permits bootstrapping with --enable-mapped-location.
8067 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8069 PR tree-optimization/26830
8070 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8071 (info_for_ssa_name, current_info_for_ssa_name_age,
8072 blocks_to_update): New variables.
8073 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8074 (clear_ssa_name_info, initialize_flags_in_bb,
8075 mark_block_for_update): New functions.
8076 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8077 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8078 prepare_def_site_for): Use mark_block_for_update.
8079 (mark_def_interesting): Assert that the processed block is marked in
8080 blocks_to_update. Do not take blocks argument.
8081 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8083 (rewrite_update_init_block, rewrite_update_stmt): Only process
8084 blocks with statements to rewrite.
8085 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8086 (update_ssa): Initialize and free blocks_to_update. Do not
8087 clear flags on statements. Do not use blocks bitmap.
8088 * tree.h (SSA_NAME_AUX): Removed.
8089 (struct tree_ssa_name): Removed aux field.
8090 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8092 2006-05-15 Richard Guenther <rguenther@suse.de>
8094 PR tree-optimization/27603
8095 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8096 Do computations in original type.
8098 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8100 * see.c: Code style changes such as redundant paranthesis,
8101 redundant intialization of local variables etc.
8102 (see_main): Declared now as static.
8103 * doc/invoke.texi: Update that -fsee is not enabled by
8106 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8108 * omp-low.c (check_omp_nesting_restrictions): New function.
8109 (scan_omp_1): Call it.
8112 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8113 construct, return *VAR.
8115 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8117 PR rtl-optimization/27406
8118 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8121 2006-05-14 Roger Sayle <roger@eyesopen.com>
8123 PR rtl-optimization/27538
8124 * combine.c (expand_compound_operation): Call gen_lowpart
8125 before calling simplify_shift_const.
8127 2006-05-14 Roger Sayle <roger@eyesopen.com>
8129 PR rtl-optimization/22563
8130 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8131 a fixed width bitfield, always force the intermediates into psuedos.
8133 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8136 * mkconfig.sh: Use operator = instead of == for test.
8138 2006-05-13 Nick Clifton <nickc@redhat.com>
8140 * dwarf2out.c (dbx_reg_number): Check return value from
8141 LEAF_REG_REMAP and only use it if it is valid.
8142 (multiple_reg_loc_descriptor): Likewise.
8144 2006-05-13 Richard Guenther <rguenther@suse.de>
8146 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8149 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8151 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8152 information attached to non-INSNs such as NOTEs.
8153 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8155 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8157 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8159 * config/s390/s390.md: Adjust comment describing On constraint.
8161 2006-05-11 Jan Hubicka <jh@suse.cz>
8163 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8164 to be output at -O0.
8166 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8169 * fold-const.c (size_binop): Move sanity check for arguments to
8170 the beginning of the function.
8173 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8176 2006-05-11 Richard Guenther <rguenther@suse.de>
8179 * fold-const.c (fold_unary): Handle intermediate conversion
8180 to a pointer type like intermediate conversion to an integer
8181 type in folding of (T1)(T2)var to var.
8182 Match the code to the comment in the final conversion for
8183 (T1)(T2)var to (T1)var regarding to type precision. Rather
8184 than disallow T1 being of pointer type, assert that both T1
8185 and var are of pointer type or not. Make sure not to fall
8186 over the frontends lazyness wrt array to pointer decay though.
8188 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8190 * arm.c (arm_struct_value_rtx): Delete.
8191 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8192 (arm_init_cumulative_args): Always initialize nregs to zero.
8194 2006-05-10 Richard Guenther <rguenther@suse.de>
8196 PR tree-optimization/27532
8197 * tree-object-size.c (plus_expr_object_size): Fix typo.
8199 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8202 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8203 ashrdi_const, ashrdi3): Use a scratch register.
8205 2006-05-10 Richard Guenther <rguenther@suse.de>
8207 PR tree-optimization/27302
8208 * fold-const.c (operand_equal_p): For two comparisons,
8209 try comparison of one comparison code swapped if that yields
8212 2006-05-10 Ben Elliston <bje@au.ibm.com>
8214 * tree-pretty-print.c (pretty_print_string): No need to handle
8215 '\0' as a special character.
8217 * tree.h: Include "hashtab.h".
8218 (iterative_hash_expr): Use hashval_t in its prototype.
8219 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8221 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8224 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8225 (hppa*64*-*-hpux11*): Ditto.
8226 (hppa[12]*-*-hpux11*): Ditto.
8228 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8231 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8233 2006-05-09 Michael Matz <matz@suse.de>
8235 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8236 host_extra_gcc_objs and host_xmake_file.
8237 (<*-*-linux*>): Don't overwrite host_xmake_file.
8238 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8239 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8240 (host_detect_local_cpu): Declare.
8241 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8242 * config/i386/i386.c (override_options): Handle -mtune=native
8244 * config/i386/x-i386: New file.
8245 * config/i386/driver-i386.c: New file.
8246 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8249 2006-05-09 Dirk Mueller <dmueller@suse.de>
8250 Richard Guenther <rguenther@suse.de>
8253 * fold-const.c (fold_read_from_constant_string): Relax check
8254 for matching types to matching modes.
8256 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8258 PR rtl-optimization/27335
8259 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8262 2006-05-08 Chao-ying Fu <fu@mips.com>
8263 Richard Sandiford <richard@codesourcery.com>
8265 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8266 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8267 * config/mips/mips.md (UNSPEC_SCC): New constant.
8268 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8269 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8270 (mips_emit_compare): Use it.
8271 (mips_expand_vcondv2sf): New function.
8273 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8275 Fix PR tree-optimization/27093
8276 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8277 renaming when they become not-used_alone.
8279 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8281 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8282 relocation and relocation stubs.
8284 2006-05-08 Eric Christopher <echristo@apple.com>
8286 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8289 2006-05-08 Jan Hubicka <jh@suse.cz>
8292 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8293 unused static functions are needed.
8295 2006-05-08 Roger Sayle <roger@eyesopen.com>
8298 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8299 of a reg_equiv_constant if the result is a legitimate constant.
8301 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8304 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8305 standard 80387 constants, raise the cost to prevent
8306 compress_float_constant() to generate load from memory.
8308 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8310 * config/arm/constraints.md (c): Fix a typo.
8312 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8315 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8318 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8320 (_mm_mwait): Likewise.
8322 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8324 (sse3_monitor): Make it 32bit only.
8325 (sse3_monitor64): New. 64bit monitor.
8327 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8330 * config/i386/i386.c (classify_argument): Skip fields with invalid
8333 2006-05-07 Richard Guenther <rguenther@suse.de>
8335 PR tree-optimization/27409
8336 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8337 Do not try to find zero-sized subvars.
8339 2006-05-07 Richard Guenther <rguenther@suse.de>
8341 PR tree-optimization/27136
8342 * tree-ssa-loop-niter.c (get_val_for): Correct function
8343 comment, assert requirements.
8344 (loop_niter_by_eval): Stop processing if the iterated
8345 value did not simplify.
8347 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8349 * opts.c (flag_see): remove its setting at -O3.
8351 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8353 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8354 * arm/constraints.md: New file.
8355 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8356 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8357 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8358 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8359 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8360 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8361 * arm.md: Include constraints.md.
8362 (thumb_movsi_insn): Use satisfies_constraint_J.
8363 (movhi, movqi): Use satisfies_constraint_I.
8365 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8367 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8368 for atmeg a645 device.
8370 2006-05-06 Richard Guenther <rguenther@suse.de>
8372 PR tree-optimization/27151
8373 * tree-vect-transform.c (vectorizable_condition): Punt on
8374 values that have a different type than the condition.
8376 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8379 * c-parser.c (c_parser_cast_expression): Only insert casts into
8380 hash table if pointer.
8381 * function.c (used_types_insert_helper): Rename from
8383 (used_types_insert): Call used_types_insert_helper.
8384 * function.h (used_types_insert): Accept only one argument.
8386 2006-05-05 David Edelsohn <edesohn@gnu.org>
8388 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8389 scratch with output modifier.
8391 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8394 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8395 with output modifier.
8397 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8400 * config/mips/mips.c (mips_symbolic_address_p): Return true
8401 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8402 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8404 2006-05-04 Richard Guenther <rguenther@suse.de>
8406 PR tree-optimization/14287
8407 PR tree-optimization/14844
8408 PR tree-optimization/19792
8409 PR tree-optimization/21608
8410 PR tree-optimization/27090
8411 * tree-ssa-pre.c (try_combine_conversion): New function.
8412 (compute_avail): After constructing the value-handle
8413 expression, use try_combine_conversion to combine NOP_EXPRs
8414 with previous value-handle expressions and use the result if it
8417 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8419 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8421 2006-05-04 Jan Hubicka <jh@suse.cz>
8424 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8426 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8428 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8429 that this only matches CONST_INTs. All users changed to VOIDmode
8432 * config/bfin/bfin.c: Include "optabs.h".
8433 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8435 (enum bfin_builtins): Add a number of fractional and vector builtins.
8436 (bfin_init_builtins): Likewise.
8437 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8438 (safe_vector_operand, bfin_expand_binop_builtin,
8439 bfin_expand_unop_builtin): New functions.
8440 (bfin_expand_builtin): Handle the new builtins.
8441 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8444 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8447 * Makefile.in (OBJS-common): Add see.o.
8448 (see.o): Add dependencies.
8449 * common.opt (fsee): New flag for the see optimization was added.
8450 * opts.c (flag_see): Initialized.
8451 * passes.c (init_optimization_passes, pass_see): New pass.
8452 * rtl.h (see_main): Declaration as extern.
8453 * timevar.def (TV_SEE): New.
8454 * tree-pass.h (pass_see): Declaration as extern.
8455 * invoke.texi (-fsee): Document.
8456 * recog.c (validate_simplify_insn): New function.
8457 * recog.h (validate_simplify_insn): Declaration as extern.
8458 * df-problems.c (df_chain_dump): Check for NULL.
8460 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8461 Daniel Berlin <dberlin@dberlin.org>
8463 * cfgrtl.c (insert_insn_bb_end_new): New function.
8464 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8466 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8468 * df.h (struct web_entry): Moved from web.c.
8469 (union_defs): Declaration as extern.
8470 (unionfind_root): Likewise.
8471 (unionfind_union): Likewise.
8472 * web.c (struct web_entry): Moved to df.h.
8473 (unionfind_root): Remove static declaration.
8474 (unionfind_union): Likewise.
8475 (union_defs): Likewise and generalize to use callback function.
8476 (web_main): Update arguments for union_defs function call.
8478 2006-05-04 Richard Guenther <rguenther@suse.de>
8480 PR tree-optimization/26447
8481 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8482 produce SSA_NAME copies before the store stmt to avoid
8483 breaking exception handling.
8485 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8488 * gimplify.c (omp_is_private): If var is shared in some outer context,
8489 return false instead of true. Stop searching on parallel context
8492 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8495 * coverage.c: Use get_gcov_unsigned_t() instead of
8496 unsigned_type_node all over.
8498 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8500 PR tree-optimization/27381
8501 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8502 maintain the same immediate_use links.
8503 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8504 node rather than segfaulting.
8506 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8509 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8510 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8511 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8513 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8515 Fix PR tree-optimization/26626
8516 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8518 * tree-ssa-operands.c (access_can_touch_variable): Allow
8519 typecasting through union pointers.
8521 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8524 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8525 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8526 to find if var will be a global variable even in the nested context.
8527 (omp_copy_decl): Only check for global variable at the end, it might
8528 be overridden in outer contexts.
8529 (scan_sharing_clauses): For global variables don't create a field.
8530 (lower_rec_input_clauses): Do nothing for global shared variables.
8531 Emit a barrier at the end of ILIST if there were any decls in both
8532 firstprivate and lastprivate clauses.
8533 (lower_send_clauses): Do nothing for global variables except for
8536 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8538 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8539 of the correct signedness is returned.
8541 2006-05-02 Jeff Law <law@redhat.com>
8543 PR tree-optimization/27364
8544 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8545 multiply expressions.
8547 2006-05-02 Tom Tromey <tromey@redhat.com>
8549 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8551 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8554 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8555 -mthumb -fPIC are used.
8557 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8558 Joshua Kinard <kumba@gentoo.org>
8561 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8562 with 64-bit pointers.
8564 2006-05-02 Paul Brook <paul@codesourcery.com>
8566 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8568 (create_fix_barrier): Check that a suitable barrier location is
8570 (arm_reorg): Include ftmp->address in allowable range of addresses.
8572 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8575 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8578 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8581 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8582 around RESULT_DECL for result passed by reference.
8583 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8584 * omp-low.c (use_pointer_for_field): Don't look at
8585 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8586 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8587 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8588 time or var for passing by reference for
8589 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8590 TREE_ADDRESSABLE variables when passing by reference.
8592 * omp-low.c (dump_omp_region): Fix output formatting.
8595 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8596 (expand_omp_parallel): Likewise.
8597 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8600 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8601 on statement list containing also constructors and destructors.
8602 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8605 * except.c (duplicate_eh_regions): Fix clearing of
8606 cfun->eh->region_array entries.
8608 2006-05-01 DJ Delorie <dj@redhat.com>
8610 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8612 (gcc_cv_objdump): Likewise.
8613 * configure: Regenerated.
8615 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8618 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8619 templates for case 3 and 4.
8621 2006-05-01 DJ Delorie <dj@redhat.com>
8623 * vec.c: Include bconfig.h when appropriate.
8624 * Makefile.in (build/vec.o): Adjust dependencies.
8625 * mkconfig.sh: Make sure config.h isn't used for build machine
8628 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8630 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8632 (mark_phi_for_rewrite): New function.
8633 (insert_phi_nodes_for, mark_use_interesting): Call
8634 mark_phi_for_rewrite.
8635 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8636 (update_ssa): Initialize and free phis_to_rewrite.
8638 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8640 PR rtl-optimization/27291
8641 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8642 folded to a constant.
8644 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8646 PR tree-optimization/27283
8647 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8648 not whole # of iteration descriptions.
8649 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8650 uses abnormal ssa name.
8651 (niter_for_single_dom_exit): Ditto.
8652 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8653 return just the number of iterations.
8655 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8657 PR tree-optimization/27144
8658 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8659 (record_estimate): Only record constant upper bound.
8660 (infer_loop_bounds_from_undefined): Call
8661 compute_estimated_nb_iterations just once.
8662 (proved_non_wrapping_p): Renamed to ...
8663 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8664 (convert_step_widening, scev_probably_wraps_p): Call
8665 n_of_executions_at_most instead of proved_non_wrapping_p.
8666 (substitute_in_loop_info): Do not replace values in bounds.
8667 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8670 2006-05-01 Richard Henderson <rth@redhat.com>
8673 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8674 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8677 2006-05-01 Roger Sayle <roger@eyesopen.com>
8679 * c-typeck.c (parser_build_binary_op): Don't call the function
8680 unsigned_conversion_warning to spot operand/result type overflow.
8681 (build_binary_op): Instead, call convert_and_check instead of
8682 convert to report the problem when the operands are promoted.
8683 * c-common.c (unsigned_conversion_warning): Make static.
8684 * c-common.h (unsigned_conversion_warning): Delete prototype.
8686 2006-05-01 Richard Guenther <rguenther@suse.de>
8688 PR tree-optimization/26726
8689 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8691 (find_interesting_uses_address): ... we work around here
8692 by folding INDIRECT_REFs in the substituted base.
8694 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8696 * omp-low.c (dump_omp_region): Add newlines.
8698 2006-04-30 Roger Sayle <roger@eyesopen.com>
8700 * common.opt (Woverflow): New command line option.
8701 * c-common.c (constant_expression_warning): Check warn_overflow.
8702 (overflow_waring): Pass OPT_Woverflow to warning.
8703 (unsigned_conversion_warning): Likewise.
8704 (convert_and_check): Likewise.
8705 * doc/invoke.texi: Document new command line option.
8707 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8709 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8710 TARGET_NO_FP_IN_TOC for section anchors.
8711 (optimization_options): Enable section anchors for all
8712 non-"Objective" languages.
8714 2006-04-28 Eric Christopher <echristo@apple.com>
8716 * config/darwin-c.c (darwin_ms_struct): Move this
8717 (darwin_set_default_type_attributes): and this...
8718 * config/darwin.c: ... here.
8719 * config/darwin.h (darwin_ms_struct): Declare.
8721 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8723 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8725 2006-04-28 Roger Sayle <roger@eyesopen.com>
8728 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8729 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8730 an unsigned HOST_WIDE_INT.
8731 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8733 (really_start_incremental_init): No need to call convert because
8734 bitsize_zero_node is already of type bitsizetype.
8735 (push_init_level): Extract the value of constructor_index as an
8736 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8737 (process_init_element): Likewise.
8739 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8741 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8742 value before passing to make_relative_prefix.
8744 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8747 * builtins.c (expand_builtin_memset): Expand val in original mode.
8749 2006-04-27 Eric Christopher <echristo@apple.com>
8751 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8752 with #ifndef/#endif.
8753 * config/darwin-c.c (darwin_ms_struct): New.
8754 (darwin_pragma_ms_struct): Ditto.
8755 (darwin_set_default_type_attributes): Ditto.
8756 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8757 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8758 Register ms_struct pragma.
8759 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8760 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8761 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8762 darwin_set_default_type_attributes if TARGET_MACHO.
8764 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8766 PR tree-optimization/26854
8767 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8768 * doc/tree-ssa.texi: Update immuse iterator documentation.
8769 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8770 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8771 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8772 first_safe_imm_use, next_safe_imm_use): Remove.
8773 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8774 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8775 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8776 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8777 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8778 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8779 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8780 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8781 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8782 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8783 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8784 (perfect_nestify): Use new iterator.
8785 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8787 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8788 (next_imm_name): New field in struct immediate_use_iterator_d.
8789 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8790 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8791 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8792 * tree-cfg.c (replace_uses_by): Use new iterator.
8793 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8794 * tree-ssa-operands.c (correct_use_link): Remove.
8795 (finalize_ssa_use_ops): No longer call correct_use_link.
8797 2006-04-27 Stuart Hastings <stuart@apple.com>
8799 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8800 * config/t-darwin (crt3.o): Use it.
8801 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8802 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8803 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8804 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8805 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8808 2006-04-27 Roger Sayle <roger@eyesopen.com>
8810 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8811 size, force the intermediate into a new pseudo rather instead of
8812 performing both a bitwise AND and a bitwise IOR in memory.
8814 2006-04-27 Richard Guenther <rguenther@suse.de>
8816 PR rtl-optimization/26685
8817 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8818 this one "max-flow-memory-locations".
8820 2006-04-27 Richard Guenther <rguenther@suse.de>
8822 PR tree-optimization/25148
8823 * tree-vrp.c (compare_values): Remove code dealing with
8824 comparisons against type min/max value. Honour overflow
8825 and negative constants in code dealing with comparisons
8826 of plus and minus expressions.
8827 (value_inside_range): Use fold_binary with LE_EXPR and
8828 GE_EXPR rather than compare_values.
8830 2006-04-27 Dirk Mueller <dmueller@suse.de>
8832 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8835 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8837 * basic-block.h (safe_insert_insn_on_edge): Removed.
8838 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8840 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8841 Paolo Bonzini <bonzini@gnu.org>
8844 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8845 (simplify_and_const_int): Same.
8847 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8849 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8851 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8854 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8855 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8856 cgraph_global_info_ready.
8859 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8862 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8863 either decl or init is error_mark_node.
8866 * tree-flow.h (struct omp_region): Add sched_kind.
8867 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8868 instead of extracting omp for data.
8869 (expand_omp_for): Save extracted sched_kind.
8871 2006-04-25 Roger Sayle <roger@eyesopen.com>
8873 * expmed.c (store_bit_field): Also check whether the bitsize is
8874 valid for the machine's "insv" instruction before moving the
8875 target into a pseudo for use with the insv.
8876 * config/i386/predicates.md (const8_operand): New predicate.
8877 * config/i386/i386.md (extv, extzv, insv): Use the new
8878 const8_operand predicate where appropriate.
8880 2006-04-25 DJ Delorie <dj@redhat.com>
8882 * doc/install.texi (Specific): Clarify that this is not a list of
8883 supported hosts or targets.
8885 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8887 PR rtl-optimization/26725
8888 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8889 block's BB_DIRTY flag.
8891 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8893 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8896 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8897 to print an integer.
8899 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8901 * varasm.c (align_variable): New function.
8902 (get_block_for_decl): Apply align_variable to DECL before
8903 calculating section information.
8904 (assemble_variable): Split out alignment computation.
8906 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8908 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8911 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8913 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8914 MODE_PARTIAL_INT mode.
8915 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8916 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8918 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8919 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8921 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8923 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8925 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8926 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8927 MACFLAG_IH): Likewise.
8928 (movstricthi_1): Renamed from "*movstricthi".
8929 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8930 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8931 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8932 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8933 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8934 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8935 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8936 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8937 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8938 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8939 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8940 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8941 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8942 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8943 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8945 * doc/rtl.texi (ss_ashift): Improve wording.
8947 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8949 * dwarf2out.c (verify_marks_clear): New.
8950 (prune_unused_types): Call verify_marks_clear initially, not
8953 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8955 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8956 * doc/rtl.texi: Document them.
8957 * simplify-rtx.c (simplify_unary_operation,
8958 simplify_binary_operation_1): Don't abort when we see them.
8960 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8963 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8964 * configure.ac: Completely disregard languages that are not
8966 * configure: Regenerated.
8968 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8969 Richard Guenther <rguenther@suse.de>
8971 PR tree-optimization/27236
8972 * tree-inline.c (copy_body_r): Make sure to copy
8973 TREE_THIS_VOLATILE flag.
8975 2006-04-24 Richard Guenther <rguenther@suse.de>
8978 * tree-complex.c (update_parameter_components): Don't handle
8979 unused parameters which have no default def.
8981 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8982 Richard Guenther <rguenther@suse.de>
8984 PR tree-optimization/27218
8985 * tree-inline.c (expand_call_inline): Strip useless type
8986 conversions for the return slot address.
8988 2006-04-24 Richard Guenther <rguenther@suse.de>
8990 * cfgloop.h (struct loops): Remove unused field array. Reorder
8992 (LOOP_PREFETCH): Remove.
8994 2006-04-24 Richard Guenther <rguenther@suse.de>
8996 PR tree-optimization/22525
8997 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8998 variable, adjust types of generated expressions.
9000 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9002 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9003 (tree-vect-patterns.o): Likewise.
9005 (cselib.o): Likewise.
9006 (loop-doloop.o): Likewise.
9007 (regclass.o): Likewise.
9008 (reload1.o): Likewise.
9009 (explow.o): Replace target.h with $(TARGET_H).
9010 (ipa-prop.o): Likewise.
9011 (ipa-cp.o): Likewise.
9012 (ipa-inline.o): Likewise.
9013 (reorg.o): Likewise.
9014 (reg-stack.o): Likewise.
9016 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9018 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9020 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9022 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9024 * configure.ac: Completely disregard languages that are not
9026 * configure: Regenerated.
9029 * c-common.h (c_build_bitfield_integer_type): Declare.
9030 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9031 * c-common.c (c_build_bitfield_integer_type): ... here.
9033 2006-04-23 Roger Sayle <roger@eyesopen.com>
9036 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9037 a SImode SUBREG of a floating point register after no_new_pseudos.
9039 2006-04-23 Roger Sayle <roger@eyesopen.com>
9041 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9042 identify potentially eliminable registers to additionally catch
9043 VIRTUAL_INCOMING_ARGS_REGNUM.
9044 (addsi3): Update the conditions on when to use addsi_small_int.
9046 2006-04-23 Roger Sayle <roger@eyesopen.com>
9049 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9050 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9051 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9053 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9055 * fold-const.c (range_predecessor): Use operand_equal_p
9056 as the predicate for equality.
9057 (range_successor): Likewise.
9059 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9062 * config/soft-fp/op-common.h: Fix a typo.
9064 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9067 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9068 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9070 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9072 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9074 * doc/tm.texi: Fix a typo.
9076 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9078 * dwarf2out.c (struct die_struct): Document that die_sib makes
9079 a circular linked list.
9080 (FOR_EACH_CHILD): New.
9081 (reverse_die_lists): Delete.
9082 (reverse_all_dies): Delete.
9083 (add_dwarf_attr): Correct documentation.
9084 (remove_child_with_prev): New.
9085 (remove_child_TAG): Update for change to die_struct, use
9086 remove_child_with_prev.
9087 (add_child_die): Update for change to die_struct.
9088 (splice_child_die): Use remove_child_with_prev and add_child_die.
9089 (print_die): Use FOR_EACH_CHILD.
9090 (die_checksum): Likewise.
9091 (assign_symbol_names): Likewise.
9092 (output_location_lists): Likewise.
9093 (build_abbrev_table): Likewise.
9094 (calc_die_sizes): Likewise.
9095 (mark_dies): Likewise.
9096 (unmark_dies): Likewise.
9097 (unmark_all_dies): Likewise.
9098 (output_die): Likewise.
9099 (prune_unused_types_mark): Likewise.
9100 (prune_unused_types_walk): Likewise.
9101 (same_die_p): Update for change to die_struct.
9102 (break_out_includes): Likewise.
9103 (prune_unused_types_prune): Likewise.
9104 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9105 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9107 (dwarf2out_finish): Don't call reverse_all_dies.
9109 2006-04-21 Eric Christopher <echristo@apple.com>
9111 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9112 in comments and function names.
9114 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9117 * c-typeck.c (digest_init): Robustify.
9119 * c-typeck.c (pop_init_level): Simplify.
9121 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9123 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9125 2006-04-21 Paul Brook <paul@codesourcery.com>
9127 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9128 hardware floating point.
9130 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9132 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9135 2006-04-21 Nick Clifton <nickc@redhat.com>
9137 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9140 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9143 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9144 C++ lang type in traceback table for Objective-C++.
9146 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9148 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9150 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9152 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9155 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9156 were errors. Remove check for erroneous objects.
9158 2006-04-20 Jeff Law <law@redhat.com>
9160 PR tree-optimization/26854
9161 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9162 checking for zero or one use.
9163 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9164 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9165 * tree-ssa-reassoc.c (negate_value): Similarly.
9166 (reassociate_bb): Similarly.
9168 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9170 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9171 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9172 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9174 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9176 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9177 fp regs if the last fp arg doesn't fit in regs.
9179 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9182 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9183 that the last insn has the REG_INC note.
9185 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9186 Nathan Sidwell <nathan@codesourcery.com>
9189 * stor-layout.c (update_alignment_for_field): Do not align
9191 (place_union_field): Place union field at the start of the union.
9192 (place_field): Move ERROR_MARK check later, and use the current
9193 allocation position to maintain monotonicity.
9195 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9197 * dominance.c: Include timevar.h.
9198 (calculate_dominance_info): Use TV_DOMINANCE.
9199 * timevar.def (TV_DOMINANCE): New timevar.
9200 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9202 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9204 PR rtl-optimization/14261
9205 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9206 move would be an INSV insn.
9207 (noce_process_if_block): Don't optimize if the destination is a
9208 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9210 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9212 * config/s390/s390.md: Add comments with the instructions emitted
9213 by an insn pattern if macros are used.
9215 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9217 PR rtl-optimization/26026
9218 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9219 is a known power of two shifted left a variable amount.
9221 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9223 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9224 to hash table twice when the debug_str section has SECTION_MERGE.
9226 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9228 * config/soft-fp: New directory. From glibc.
9229 * config/soft-fp/t-softfp: New.
9230 * config/soft-fp/README: New.
9231 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9232 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9233 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9234 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9235 * config.gcc: Use rs6000/t-fprules-fpbit or
9236 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9238 * config/rs6000/sfp-machine.h: New. Based on glibc.
9239 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9241 * config/rs6000/t-fprules: Remove fp-bit rules.
9242 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9243 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9244 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9245 (softfp_wrap_start, softfp_wrap_end): New.
9247 2006-04-18 DJ Delorie <dj@redhat.com>
9249 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9251 2006-04-18 Devang Patel <dpatel@apple.com>
9253 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9255 2006-04-18 Nick Clifton <nickc@redhat.com>
9257 * config/sh/t-symbian: Add rule to build sh-c.o
9258 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9259 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9260 (sh_symbian_encode_section_info): Likewise.
9262 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9264 * builtins.c (expand_builtin_strcmp): Cover label definition of
9265 do_libcall with HAVE_cmpstrnsi.
9267 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9269 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9271 * function.h (temp_slot_p): New.
9272 (function): Change the type of x_used_temp_slots to
9273 VEC(temp_slot_p,gc) *.
9275 2006-04-18 Nick Clifton <nickc@redhat.com>
9277 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9278 flag_strength_reduce.
9280 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9282 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9286 Partial revert of revision 112637
9287 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9288 Dale Johannesen <dalej@apple.com>
9291 * regclass.c (struct reg_pref): Update documentation.
9292 (regclass): Set prefclass to NO_REGS if memory is the best option.
9293 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9295 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9297 PR tree-optimization/26821
9298 * tree-ssa-math-opts.c (get_constant_one): New.
9299 (insert_reciprocals): Use it.
9301 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9303 * dwarf2out.c (free_AT): Delete.
9304 (remove_AT): Update string ref counts.
9305 (remove_child_TAG): Don't call free_die.
9307 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9308 or DW_TAG_GNU_EINCL.
9309 (prune_unused_types_walk_attribs): Reset string refcounts.
9310 (prune_unused_types_update_strings): New.
9311 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9312 call free_die. Do call prune_unused_types_update_strings.
9313 (prune_unused_types): Empty debug_str_hash.
9315 2006-04-17 Roger Sayle <roger@eyesopen.com>
9317 * expr.c (expand_assignment): Optimize away no-op moves where the
9318 source and destination are equal and have no side-effects.
9320 2006-04-17 Richard Guenther <rguenther@suse.de>
9323 * reload.c (push_reload): Guard calls to get_secondary_mem
9326 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9328 * alias.c (reg_base_value, old_reg_base_value): Change the
9329 type to VEC(rtx,gc) *.
9330 (REG_BASE_VALUE, find_base_value, record_set,
9331 init_alias_analysis): Use VEC instead of VARRAY.
9333 * alias.c (alias_sets): Change the type to
9334 VEC(alias_set_entry,gc) *.
9335 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9336 VEC instead of VARRAY.
9337 (last_alias_set): Remove.
9339 * cgraph.h (cgraph_edge_p): New.
9340 Update the prototype of cgraph_function_versioning.
9341 * cgraphunit.c (cgraph_copy_node_for_versioning,
9342 cgraph_function_versioning): Use VEC instead of VARRAY.
9343 * ipa-cp.c (ipcp_insert_stage): Likewise.
9345 2006-04-16 Roger Sayle <roger@eyesopen.com>
9348 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9349 "A op B" or "A op C", we may need to convert A to the type of B and C.
9351 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9353 * target.h (struct gcc_target): Add mode_rep_extended.
9354 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9355 (init_num_sign_bit_copies_in_rep): Initialize it using
9357 (truncate_to_mode): Use it.
9358 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9359 * targhooks.h (default_mode_rep_extended): Declare it.
9360 * targhooks.c (default_mode_rep_extended): Define it.
9361 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9362 default_mode_rep_extended.
9363 (TARGET_INITIALIZER): Include it.
9364 * doc/tm.texi (Misc): Document it.
9365 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9366 (mips_truncated_to_mode): New function.
9368 2006-04-16 Roger Sayle <roger@eyesopen.com>
9371 * expr.c (compress_float_constant): Copy the narrow constant into
9372 a new pseudo before extending it to its final width.
9374 2006-04-16 Roger Sayle <roger@eyesopen.com>
9375 Andrew Pinski <pinskia@gcc.gnu.org>
9376 Dale Johannesen <dalej@apple.com>
9379 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9380 special case code to implement V8HImode and V16QImode with SSE2.
9382 2006-04-15 Roger Sayle <roger@eyesopen.com>
9384 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9385 trees are constructed with a suitable tree type.
9387 2006-04-15 Roger Sayle <roger@eyesopen.com>
9389 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9390 (integer_onep): Likewise.
9391 (integer_all_onesp): Likewise.
9392 (integer_pow2p): Likewise.
9393 (integer_nonzerop): Likewise.
9394 (real_zerop): Likewise.
9395 (real_onep): Likewise.
9396 (real_twop): Likewise.
9397 (real_minus_onep): Likewise.
9398 (int_size_in_bytes): Likewise.
9399 (host_integerp): Likewise.
9401 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9403 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9404 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9405 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9407 * tree-ssa-structalias.h (alias_info): Remove num_references.
9409 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9411 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9412 (output_bvb patterns): Likewise.
9413 * pa.c (output_bb): Use 'bb' insn for long branch case.
9414 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9415 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9416 1. Correct length operand for alternatives 1 and 2.
9417 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9418 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9420 2006-04-14 Roger Sayle <roger@eyesopen.com>
9422 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9423 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9424 were accidentally reverted by r112959.
9426 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9429 * except.h (eh_region_outermost): New prototype.
9430 * except.c (eh_region_outermost): New function.
9431 * tree-cfg.c (find_outermost_region_in_block): Use it.
9433 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9435 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9437 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9438 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9439 (init_reload, reload): Use VEC instead of VARRAY.
9440 * reload.h: Update the prototype for
9441 reg_equiv_memory_loc_varray.
9443 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9444 Eric Botcazou <ebotcazou@libertysurf.fr>
9446 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9449 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9452 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9453 to expand fallback builtin function call.
9455 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9458 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9459 and emit libcall here in case the builtin fails.
9460 (expand_builtin_strcmp): Always emit the libcall here on failure.
9462 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9464 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9465 * flow.c (reg_n_info): Change the type to
9466 VEC(reg_info_p,heap) *.
9467 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9469 * regs.h (reg_info_p): New.
9470 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9471 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9472 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9475 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9477 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9479 * params.h (MAX_SCHED_READY_INSNS): New macro.
9480 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9481 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9482 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9483 the ready list for 1 cycle during the first scheduling pass.
9484 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9486 2006-04-13 Richard Henderson <rth@redhat.com>
9489 * gimple-low.c (lower_omp_directive): Remove dead code.
9490 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9491 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9492 * omp-low.c (struct omp_region): Move to tree-flow.h.
9493 (root_omp_region): Export.
9494 (omp_regions, lookup_omp_region): Remove.
9495 (determine_parallel_type): Update for struct omp_region changes.
9496 (dump_omp_region): Dump regions with block numbers.
9497 (new_omp_region): Take type and block instead of stmt; malloc
9499 (free_omp_region_1, free_omp_regions): New.
9500 (expand_parallel_call): Take entry_stmt as argument; update for
9501 changes to omp_region.
9502 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9503 (remove_exit_barriers): New.
9504 (expand_omp_parallel): Update for struct omp_region changes.
9505 (expand_omp_synch): Likewise.
9506 (expand_omp): Likewise.
9507 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9508 (expand_omp_for_static_chunk): Likewise.
9509 (expand_omp_for): Likewise.
9510 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9511 (expand_omp_sections): Similarly, with GOMP_sections_end.
9512 (expand_omp_single): New.
9513 (build_omp_regions_1): Update for OMP_CONTINUE.
9514 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9515 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9516 OMP_SECTIONS_SECTIONS.
9517 (lower_omp_single_simple): Don't emit barrier here.
9518 (lower_omp_single_copy): Likewise.
9519 (lower_omp_single): Fix bindings, and lower to straightline now.
9520 (lower_omp_master, lower_omp_ordered): Likewise.
9521 (lower_omp_critical): Likewise.
9522 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9523 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9524 omp edges, free it afterward.
9525 (make_omp_sections_edges): Remove.
9526 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9527 (move_stmt_r): Handle OMP_CONTINUE.
9528 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9529 statement pointers to basic blocks. Add type member.
9530 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9531 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9532 * tree-inline.c (estimate_num_insns_1): Likewise.
9533 * tree-pretty-print.c (dump_generic_node): Likewise.
9534 * tree-ssa-operands.c (get_expr_operands): Likewise.
9535 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9536 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9537 (OMP_CONTINUE): New.
9538 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9539 (OMP_SECTIONS_SECTIONS): Remove.
9540 (OMP_SECTION_LAST): New.
9541 (OMP_RETURN_NOWAIT): New.
9543 2006-04-13 Roger Sayle <roger@eyesopen.com>
9545 * fold-const.c (native_encode_vector, native_interpret_real):
9546 Correct obvious mistakes in the previous check-in.
9548 2006-04-13 Roger Sayle <roger@eyesopen.com>
9550 * fold-const.c (native_encode_expr): New function to encode
9551 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9552 or VECTOR_CST into a specified buffer.
9553 (native_encode_int): New function.
9554 (native_encode_real): New function.
9555 (native_encode_complex): New function.
9556 (native_encode_vector): New function.
9557 (native_interpret_expr): Inverse of native_encode_expr to convert
9558 a target representation into an INTEGER_CST, REAL_CST etc...
9559 (native_interpret_int): New function.
9560 (native_interpret_real): New function.
9561 (native_interpret_complex): New function.
9562 (native_interpret_vector): New function.
9563 (fold_view_convert_expr): New function to constant fold/evaluate
9564 a VIEW_CONVERT_EXPR of a suitable constant expression.
9565 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9566 Change call of build1 to fold_build1 when constructing a
9569 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9570 Ulrich Weigand <uweigand@de.ibm.com>
9573 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9576 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9579 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9580 optimize to lo_sum for DFmode if !TARGET_FPRS.
9582 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9584 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9585 delete_alias_info, compute_flow_sensitive_aliasing,
9586 group_aliases): Use VEC instead of VARRAY.
9587 * tree-ssa-structalias.c (update_alias_info): Likewise.
9588 * tree-ssa-structalias.h (alias_info): Change the type of
9589 processed_ptrs to VEC(tree,heap) *.
9591 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9594 * config/sh/lib1funcs.h: New file, broken out of:
9595 * config/sh/lib1funcs.asm.
9596 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9598 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9599 * config/sh/lib1funcs-Os-4-200.asm: New file.
9600 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9601 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9602 (EXTRA_MULTILIB_PARTS): Include it.
9603 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9604 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9605 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9606 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9609 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9611 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9612 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9613 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9615 * tree-ssa-live.h: Include vecprim.h.
9616 (tree_partition_associator_d): Change the type of
9617 first_partition to VEC(int,heap) *.
9618 (tpa_first_partition): Use VEC instead of VARRAY.
9620 * Makefile.in (GTFILES): Move functions.h after tree.h.
9621 * function.c (reset_block_changes, record_block_change,
9622 check_block_change, free_block_changes): Use VEC instead of
9624 * function.h (function): Change the type of
9625 ib_boundaries_block to VEC(tree,gc) *.
9626 * tree-inline.c (copy_cfg_body): Initialize
9627 ib_boundaries_block to NULL instead of (varray_type) 0.
9629 2006-04-12 Roger Sayle <roger@eyesopen.com>
9631 * expr.c (emit_group_store): Correct operand order in call to
9632 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9633 a SUBREG_BYTE of zero.
9635 2006-04-12 Richard Guenther <rguenther@suse.de>
9637 * profile.c (compute_branch_probabilities): Remove code
9638 encapsulated in !ir_type (), which are remanents of the
9639 removed RTL profiling code.
9640 * rtl-profile.c: Remove.
9642 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9644 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9645 magic NULL_RTX comment.
9646 (function_arg): Store entire fp arg to mem if any part should go
9648 (rs6000_arg_partial_bytes): Adjust for above change.
9650 2006-04-11 Roger Sayle <roger@eyesopen.com>
9652 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9653 if it hasn't been initialized by dwarf2out_init.
9655 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9657 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9658 symbolic constants in branch patterns.
9660 2006-04-11 Roger Sayle <roger@eyesopen.com>
9662 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9664 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9666 PR rtl-optimization/27073
9667 * gcse.c (try_replace_reg): Revert last change. Continue to search
9668 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9671 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9673 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9674 aggregate types other than record and union types.
9675 (function_arg): Likewise.
9676 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9678 (function_value): In 64-bit mode, return objects that require it
9681 2006-04-11 Roger Sayle <roger@eyesopen.com>
9683 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9685 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9687 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9689 2006-04-03 Jeff Law <law@redhat.com>
9692 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9693 alias information too.
9695 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9697 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9699 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9702 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9703 (premark_used_types_helper): New.
9704 (premark_used_types): New.
9705 (gen_subprogram_die): Call premark_used_types.
9706 (prune_unused_types_walk): Do not prune perennial dies.
9707 * function.c (used_types_insert): New.
9708 * function.h (struct function): Add used_types_hash field.
9709 (used_types_insert): Add prototype.
9710 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9711 * c-parser.c (c_parser_cast_expression): Save casted types in used
9714 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9717 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9718 rs6000_explicit_options.float_gprs.
9720 2006-04-10 Roger Sayle <roger@eyesopen.com>
9722 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9723 from ix86_expand_vector_init_low_nonzero. Take an additional
9724 one_var argument indicating which element is non-zero. Support
9725 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9726 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9727 with one_var instead of ix86_expand_vector_init_low_nonzero.
9729 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9731 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9732 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9733 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9734 build/genextract.o): Depend on vecprim.h.
9735 * cfglayout.c, df-problems.c, function.c, genextract.c,
9736 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9737 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9741 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9743 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9744 Declare VECs of this type.
9745 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9746 (remove_children): Delete.
9747 (add_dwarf_attr): Use VEC routines.
9748 (add_AT_flag): Update for changes to add_dwarf_attr.
9749 (add_AT_int): Likewise.
9750 (add_AT_unsigned): Likewise.
9751 (add_AT_long_long): Likewise.
9752 (add_AT_vec): Likewise.
9753 (add_AT_string): Likewise.
9754 (add_AT_die_ref): Likewise.
9755 (add_AT_fde_ref): Likewise.
9756 (add_AT_loc): Likewise.
9757 (add_AT_loc_list): Likewise.
9758 (add_AT_addr): Likewise.
9759 (add_AT_lbl_id): Likewise.
9760 (add_AT_lineptr): Likewise.
9761 (add_AT_macptr): Likewise.
9762 (add_AT_offset): Likewise.
9763 (add_AT_range_list): Likewise.
9764 (get_AT): Use VEC_iterate.
9765 (remove_AT): Use VEC_ordered_remove.
9766 (free_die): Fold remove_children into here; have it use VEC_iterate.
9767 (print_die): Use VEC_iterate on attrs.
9768 (reverse_die_lists): Don't reverse attr lists.
9769 (die_checksum): Use VEC_iterate on attrs.
9770 (same_die_p): Likewise.
9771 (output_location_lists): Likewise.
9772 (build_abbrev_table): Likewise.
9773 (size_of_die): Likewise.
9774 (unmark_all_dies): Likewise.
9775 (output_abbrev_section): Likewise.
9776 (output_die): Likewise.
9777 (prune_unused_types_walk_attribs): Likewise.
9779 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9781 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9783 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9786 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9788 2006-04-09 Roger Sayle <roger@eyesopen.com>
9790 * expr.c (store_constructor): Don't bother clearing target if
9791 we're about to assign a vector to it using vec_init_optab.
9793 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9795 * tree-ssa-alias.c (lhs_may_store_to): New function.
9796 (recalculate_used_alone): Handle LHS of calls.
9798 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9802 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9803 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9804 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9805 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9806 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9807 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9808 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9809 stubs. Add ".align 8" directives before all ".dword" directives.
9810 (GTHREAD_USE_WEAK): Revise comment.
9811 (TARGET_ATTRIBUTE_WEAK): Define.
9812 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9813 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9814 * stublib.c: New file.
9819 * pa.md (cbranch patterns): Revise arguments used in calls to
9820 output_cbranch, output_bb and output_bvd. Add long branch length
9822 (fbranch patterns): Handle long branches.
9823 (jump): Revise length check. Revise arguments for output_lbranch call.
9824 Add long branch length attributes.
9825 (decrement_and_branch_until_zero): Add long branch length attributes.
9826 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9827 Likewise. Revise arguments for output_parallel_addb and
9828 output_parallel_movb calls.
9829 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9830 output_parallel_movb and output_parallel_addb): Update prototypes.
9831 * pa.c (output_cbranch): Revise arguments. Correct handling of
9832 nullification in long branches.
9833 (output_lbranch): Add new argument to control extraction of delay
9835 (output_bb): Handle long branches.
9836 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9837 output_parallel_addb): Likewise.
9839 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9841 PR rtl-optimization/27073
9842 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9845 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9847 * tree.h (tree_memory_tag): Add old_used_alone.
9848 (SMT_OLD_USED_ALONE): New macro.
9849 * tree-ssa-alias.c (recalculate_used_alone): Stop
9850 marking things for renaming unnecessarily.
9852 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9854 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9855 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9856 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9857 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9858 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9859 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9860 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9861 spelling convensions.
9862 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9863 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9864 typos. Follow spelling conventions.
9866 2006-04-07 DJ Delorie <dj@redhat.com>
9868 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9869 passed on the stack.
9870 (m32c_init_cumulative_args): When a function returns a structure,
9871 always pass the pointer to that return area on the stack.
9872 (m32c_function_arg_advance): Don't increment the parameter number
9873 if we're processing the returned structure pointer.
9874 (pushm_info): Reverse order of registers.
9876 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9878 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9879 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9880 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9881 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9883 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9884 chrec_fold_multiply): Same.
9885 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9886 force_expr_to_var_cost): Same.
9887 * tree-mudflap.c (mf_xform_derefs_1): Same.
9888 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9890 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9892 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9893 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9896 2006-04-07 Jan Hubicka <jh@suse.cz>
9898 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9900 2006-04-07 Richard Guenther <rguenther@suse.de>
9902 PR tree-optimization/26135
9903 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9904 loads for store copy-prop.
9905 (copy_prop_visit_stmt): Likewise.
9907 2006-04-05 Robert Millan <robertmh@gnu.org>
9909 * config/i386/linux.h: Add a comment to mark macros that are
9910 being overriden in config/k*bsd-gnu.h.
9911 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9913 * config/knetbsd-gnu.h: Ditto.
9915 2006-04-06 Jan Hubicka <jh@suse.cz>
9919 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9922 2006-04-06 Mike Stump <mrs@apple.com>
9924 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9925 for HAVE_nonlocal_goto to be consistent.
9926 (expand_builtin_nonlocal_goto): Likewise.
9927 (expand_builtin_strcmp): Use #ifdef instead of #if
9928 for HAVE_cmpstrnsi to be consistent.
9930 2006-04-05 DJ Delorie <dj@redhat.com>
9932 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9935 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9937 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9938 got-relative addressing for anything but SImode.
9940 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9941 even if the calling function doesn't modify them.
9943 2006-04-05 Richard Guenther <rguenther@suse.de>
9945 PR tree-optimization/26919
9946 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9947 to cgraph_estimate_size_after_inlining.
9949 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9951 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9953 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9955 PR tree-optimization/26996
9956 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9957 VECTOR_TYPE variables.
9959 2006-04-05 Richard Guenther <rguenther@suse.de>
9961 PR tree-optimization/26763
9962 * fold-const.c (fold_comparison): Move folding of
9963 PTR + CST CMP PTR + CST ...
9964 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9966 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9968 * doc/install.texi (Prerequisites): Refine some wording on
9969 bootstrapping and ksh.
9970 Move the version numbers of DejaGnu here from the testing section
9971 and fix casing of names.
9972 Fix markup and clarify wording for autogen requirements.
9973 Refer to GCJ instead of just java.
9974 Refer to SVN instead of CVS.
9975 Describe diffutils as useful instead of necessary.
9976 (Downloading the source): Refer to SVN instead of CVS.
9977 Adjust a link to our web site accordingly.
9978 (Configuration): Fix casing of Bison.
9979 (Building): Refer to SVN instead of CVS.
9980 Fix a sentence on the use of Bison and remove duplicate (and
9981 incorrect) version number of Bison requirement.
9982 Remove one redundant list of packages needed for building.
9983 (Specific): Avoid reference to CVS.
9985 2006-04-04 Eric Christopher <echristo@apple.com>
9987 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9988 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9989 (rs6000_handle_struct_attribute): New.
9990 (rs6000_ms_bitfield_layout_p): Ditto.
9992 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9994 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9995 NULL for dso parameter to atexit_common.
9997 2006-04-04 Eric Christopher <echristo@apple.com>
9999 * config/i386/i386.c (machopic_output_stub): Output \t
10000 between instructions and operands.
10002 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10004 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10005 satisfies_constraint_[IL] to explicit tests on value.
10007 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10009 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10010 set_nb_iterations_in_loop): Use build_int_cst instead of
10011 build_int_cst_type.
10012 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10013 build_int_cst instead of convert.
10015 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10017 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10018 new value 2 for incoming.
10019 * function.c (expand_function_start): Call struct_value_rtx
10020 with incoming as 2.
10021 * config/sparc/sparc.md: Comment updated_return.
10022 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10023 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10024 struct return if sparc_std_struct_return and incoming is 2.
10025 (print_operand): Do not adjust return if
10026 sparc_std_struct_return.
10028 2006-04-04 Roger Sayle <roger@eyesopen.com>
10030 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10031 convert in the middle-end.
10032 * expr.c (store_expr, store_constructor, get_inner_reference,
10033 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10035 * tree.c (build_range_type): Likewise.
10037 2006-04-04 Tom Tromey <tromey@redhat.com>
10039 * doc/install.texi (Prerequisites): Mention jar.
10041 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10043 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10046 2006-04-04 Matthias Klose <doko@debian.org>
10048 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10052 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10055 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10057 * doc/extend.texi (Function Attributes): Rewrite visibility
10058 attribute documentation.
10059 * doc/invoke.texi (C++ Dialect Options): Rewrite
10060 -fvisibility-inlines-hidden documentation to describe something
10061 entirely different, although in practise compatible.
10062 (Code Gen Options): Warn about system headers in -fvisibility=
10065 * doc/extend.texi (Other Builtins): Document that
10066 __builtin_nan is a compile-time constant only when its argument
10069 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10071 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10072 trying to remove TRUNCATE check if all bits outside the new mode
10073 are identical to the sign bit.
10075 2006-04-03 Jeff Law <law@redhat.com>
10077 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10078 and operand scanning in some common cases.
10080 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10081 Dale Johannesen <dalej@apple.com>
10084 * regclass.c (struct reg_pref): Update documentation.
10085 (regclass): Set prefclass to NO_REGS if memory is the best option.
10086 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10087 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10088 into account. For non-registers, equate an empty preferred
10089 reload class to a `!' in the constraint; move the if clause to
10090 do so after those that reject the insn.
10091 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10093 (find_dummy_reload): Likewise.
10094 * doc/tm.texi (Register Classes): Document what it means
10095 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10096 * config/i386/i386.c (ix86_preferred_reload_class): Force
10097 using SSE registers (and return NO_REGS for floating-point
10098 constants) if math is done with SSE.
10099 (ix86_preferred_output_reload_class): New.
10100 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10101 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10102 * config/i386/i386.md: Remove # register preferences.
10104 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10107 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10108 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10109 the type of nb_iter.
10110 (instantiate_parameters_1): Convert the operands before calling
10111 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10112 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10114 2006-04-02 Roger Sayle <roger@eyesopen.com>
10116 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10117 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10118 instead of convert.
10119 * dojump.c (do_jump): Likewise.
10120 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10121 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10122 gimplify_boolean_expr): Likewise.
10123 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10124 * varasm.c (array_size_for_constructor): Likewise.
10125 * tree-object-size.c (compute_object_offset): Likewise.
10127 2006-04-02 Roger Sayle <roger@eyesopen.com>
10129 PR middle-end/26977
10130 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10131 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10133 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10135 PR tree-optimization/26939
10136 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10138 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10140 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10141 at_stmt. Convert the type of operands before calling
10142 build_polynomial_chrec.
10143 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10144 add_to_evolution_1.
10145 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10146 (instantiate_parameters_1): Convert the type of operands before calling
10147 build_polynomial_chrec.
10148 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10149 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10150 reset_evolution_in_loop): Insert asserts to check the types of the
10152 (chrec_type): Moved...
10153 (eq_evolutions_p): Use operand_equal_p.
10154 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10155 the types of the operands.
10156 (chrec_type): ...here.
10157 * tree-data-ref.c (create_data_ref): Convert the operands before
10158 calling chrec_replace_initial_condition.
10159 (same_access_functions, analyze_subscript_affine_affine,
10160 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10161 (compute_subscript_distance, analyze_ziv_subscript,
10162 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10163 analyze_miv_subscript): Convert the operands before calling
10164 chrec_fold_minus or chrec_fold_plus.
10166 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10168 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10169 the dependence_relations vector.
10170 (compute_data_dependences_for_loop): Adjust call to
10171 compute_all_dependences.
10173 2006-04-01 Roger Sayle <roger@eyesopen.com>
10174 Richard Henderson <rth@redhat.com>
10176 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10177 gimple_boolify on the condition before calling gimplify_expr.
10179 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10181 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10182 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10183 the frame size. Update to use the new macros.
10184 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10185 * config/xtensa/ieee754-df.S: Likewise.
10187 2006-03-31 Richard Henderson <rth@redhat.com>
10189 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10190 (make_edges): ... here. Control fallthru creation with a local
10191 variable. Do not play with fake edges.
10192 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10193 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10196 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10198 * dwarf2.h (DW64_CIE_ID): Define.
10199 * dwarf2out.c (DWARF_CIE_ID): Define.
10200 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10201 length header. Use DWARF_CIE_ID.
10202 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10203 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10205 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10207 * config/sh/linux-atomic.asm: New file.
10208 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10210 2006-03-31 DJ Delorie <dj@redhat.com>
10212 * config/m32c/cond.md: Set condition flags properly throughout.
10213 * config/m32c/minmax.md: Likewise.
10214 * config/m32c/prologue.md: Likewise.
10215 * config/m32c/bitops.md: Likewise.
10216 * config/m32c/muldiv.md: Likewise.
10217 * config/m32c/mov.md: Likewise.
10218 * config/m32c/addsub.md: Likewise.
10219 * config/m32c/m32c.md: Likewise.
10220 * config/m32c/jump.md: Likewise.
10221 * config/m32c/shift.md: Likewise.
10223 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10224 conditionally output the pattern for this.
10225 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10226 (m32c_compare_redundant): New.
10227 (m32c_output_compare): New.
10228 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10230 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10231 dest, not src. Allow other 4-byte modes.
10233 2006-03-30 Denis Chertykov <denisc@overta.ru>
10235 * doc/md.texi: Refer to avr/constraints.md instead of
10238 2006-03-30 Roger Sayle <roger@eyesopen.com>
10240 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10241 signed vs. unsigned comparison failures on some hosts.
10243 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10246 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10247 change to FLOAT_REGS.
10249 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10250 (rs6000_override_options): Use it.
10251 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10252 only for -mabi=spe/no-spe and -mabi=altivec.
10254 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10256 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10259 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10261 * Makefile.in: Rename docdir to gcc_docdir.
10263 2006-03-30 Roger Sayle <roger@eyesopen.com>
10266 * expr.c (emit_group_store): Optimize group stores into a pseudo
10267 register by using a paradoxical subreg to initialize the destination
10268 if the first or last member of the group specifies a "low part".
10270 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10273 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10274 * target.h (struct gcc_target.speculate_insn): Change type of the
10275 second parameter to 'int'.
10276 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10277 the second operand of the DEPS_LIST.
10278 (copy_DEPS_LIST_list): Update reference to the second operand of the
10280 * rtl.h (alloc_DEPS_LIST): Update signature.
10281 * sched-int.h (ds_t): Change typedef to 'int'.
10282 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10284 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10286 * haifa-sched.c (try_ready): Change condition to restore
10287 non-speculative pattern of the instruction.
10288 (process_insn_depend_be_in_spec): Code to keep probability of the
10289 speculative dependence non-decreasing.
10291 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10293 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10294 (single_move_for_movmem): ... this. Also change all uses.
10295 (bfin_expand_strmov): Renamed to...
10296 (bfin_expand_movmem): ... this. Also change all uses.
10297 * config/bfin/bfin.md (movstrsi): Renamed to...
10298 (movstrsi): ...this.
10300 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10302 PR tree-optimization/26830
10304 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10305 (copy_prop_visit_stmt): Remove write-only variable ann.
10306 (init_copy_prop): Check variable loop depth here. Do not simulate
10307 memory-tag and virtual operand PHIs except for store copy prop.
10309 2006-03-30 Richard Guenther <rguenther@suse.de>
10311 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10312 variants with double arguments.
10314 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10316 * genpreds.c (write_tm_constrs_h): Delete variable p.
10317 * genconditions.c (write_header): Add tm-constrs.h to included
10319 * genpeep.c (main): Add toplev.h to included headers.
10320 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10321 (build/genpeep.o): Add toplev.h dependency.
10322 * config/rs6000/constraints.md: Add "W" constraint.
10324 2006-03-29 Roger Sayle <roger@eyesopen.com>
10326 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10327 sizes by correctly testing whether the size fits a host integer.
10328 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10329 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10330 SImode range for the default sizetype and bitsizetype.
10332 2006-03-29 Roger Sayle <roger@eyesopen.com>
10334 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10335 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10336 quickly if the argument is already of the correct type.
10337 Call fold_build1 instead of build1. Tidy up blank lines.
10339 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10341 * genemit.c (main): Add tm-constrs.h to included headers.
10342 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10343 * genpeep.c (main): Add tm-constrs.h to included headers.
10344 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10345 (write_tm_constrs_h): this and write complete file.
10346 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10347 (write_insn_preds_c): Add tm-constrs.h to included headers.
10348 (gen_constrs): New variable.
10349 (parse_option): Parse "-c".
10350 (main): Invoke write_tm_constrs_h.
10351 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10352 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10353 (object_out_file): Add tm-constrs.h dependency.
10354 (insn-emit.o): Same.
10355 (insn-output.o): Same.
10356 (insn-peep.o): Same.
10357 (insn-preds.o): Same.
10358 (insn-recog.o): Same.
10359 (tm-constsr.h): New target.
10360 (s-constrs-h): New target.
10362 * config/rs6000/constraints.md: New file.
10363 * config/rs6000/rs6000.c: Include tm-constrs.h.
10364 (num_insn_constant_wide): Convert to satisfies_constraint.
10365 (rs6000_rtx_costs): Convert to satisfies_constraint.
10366 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10367 (CONST_OK_FOR_LETTER_P): Delete.
10368 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10369 (EXTRA_CONSTRAINT): Delete.
10370 (EXTRA_MEMORY_CONSTRAINT): Delete.
10371 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10372 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10373 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10374 satisfies_constraint.
10376 * config/i386/i386.c: Include tm-constrs.h.
10378 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10380 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10381 * tree-data-ref.c (find_data_references_in_loop,
10382 compute_data_dependences_for_loop): Use pointers to VEC.
10383 (analyze_all_data_dependences): Adjust calls.
10384 * tree-data-ref.h (find_data_references_in_loop,
10385 compute_data_dependences_for_loop): Adjust declarations.
10386 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10387 compute_data_dependences_for_loop.
10389 2006-03-29 Paul Brook <paul@codesourcery.com>
10391 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10392 (movdf_vfp): Ditto.
10394 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10396 PR tree-optimization/26859
10397 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10399 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10400 for the step after fold_convert.
10402 2006-03-29 Paul Brook <paul@codesourcery.com>
10404 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10405 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10407 2006-03-29 Paul Brook <paul@codesourcery.com>
10409 PR middle-end/23623
10410 * targhooks.c (default_narrow_bitfield): New fuction.
10411 * targhooks.h (default_narrow_bitfield): add prototype.
10412 * target.h (gcc_target): Add narrow_volatile_bitfield.
10413 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10414 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10415 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10416 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10418 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10420 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10422 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10423 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10424 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10425 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10426 (s390_function_arg_float): Allow SDmode and DDmode values to be
10427 passed in floating point registers.
10428 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10429 check with SCALAR_FLOAT_MODE_P.
10430 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10432 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10434 PR tree-optimization/25985
10435 * tree-ssa-loop-niter.c (number_of_iterations_le,
10436 number_of_iterations_ne): Make comments more precise.
10437 (number_of_iterations_cond): Add only_exit argument. Use the
10438 fact that signed variables do not overflow only when only_exit
10440 (loop_only_exit_p): New.
10441 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10442 number_of_iterations_cond.
10444 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10446 PR tree-optimization/26643
10447 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10450 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10452 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10453 (divsi3_i4_int): Likewise.
10455 2006-03-28 Roger Sayle <roger@eyesopen.com>
10457 * expr.c (emit_group_store): Only create a new pseudo reg if the
10458 quantity it needs to hold isn't already a suitable pseudo.
10460 2006-03-28 Jeff Law <law@redhat.com>
10462 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10463 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10465 2006-03-28 Roger Sayle <roger@eyesopen.com>
10467 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10468 the equivalent ~X & Y, and the symmetry related transformations.
10469 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10470 ~X & Y, and symmetry related transforms.
10472 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10474 Revert my 2006-03-27 patches.
10476 2006-03-28 Roger Sayle <roger@eyesopen.com>
10478 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10479 ~(T1)X, when T1 and T2 are integer types of the same precision
10480 and (T2)X isn't an extension.
10482 2006-03-28 Jeff Law <law@redhat.com>
10484 PR tree-optimization/26796
10485 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10486 need EH edge cleanups rather than purging them immediately.
10487 (eliminate_degenerate_phis): Handle queued EH cleanups.
10489 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10491 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10494 2006-03-27 Roger Sayle <roger@eyesopen.com>
10496 PR middle-end/22524
10497 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10498 cast BIT_NOT_EXPR operand to the correct type.
10500 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10502 * tree-loop-linear.c: Don't include varray.h.
10503 (gather_interchange_stats, try_interchange_loops,
10504 linear_transform_loops): Use VEC instead of VARRAY.
10505 * lambda-mat.c: Don't include varray.h.
10506 * tree-chrec.c: Same.
10507 * lambda-trans.c: Same.
10508 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10509 VEC instead of VARRAY.
10510 * tree-vectorizer.h: Idem.
10511 * tree-data-ref.c (dump_data_references,
10512 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10513 initialize_data_dependence_relation, finalize_ddr_dependent,
10514 compute_all_dependences, find_data_references_in_loop,
10515 compute_data_dependences_for_loop, analyze_all_data_dependences,
10516 free_dependence_relation, free_dependence_relations,
10517 free_data_refs): Idem.
10518 * tree-data-ref.h (data_reference_p, subscript_p): New.
10519 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10520 VEC instead of VARRAY.
10521 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10522 (find_data_references_in_loop, compute_data_dependences_for_loop,
10523 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10524 dump_data_dependence_relations, free_dependence_relations,
10525 free_data_refs): Adjust declaration.
10526 (lambda_transform_legal_p): Move declaration here...
10527 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10528 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10529 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10530 vect_analyze_data_refs): Use VEC instead of VARRAY.
10531 * lambda.h (lambda_transform_legal_p): ...from here.
10532 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10533 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10534 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10535 tree-chrec.o): Don't depend on VARRAY_H.
10537 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10539 * rtl.def (Copyright): Update date.
10540 (DEPS_LIST): Change type of the second operand to 'int'.
10541 * target.h (Copyright): Update date.
10542 (struct gcc_target.speculate_insn): Change type of the second parameter
10544 * lists.c (Copyright): Update date.
10545 (alloc_DEPS_LIST): Change signature. Update reference to the second
10546 operand of the DEPS_LIST.
10547 (copy_DEPS_LIST_list): Update reference to the second operand of the
10549 * rtl.h (Copyright): Update date.
10550 (alloc_DEPS_LIST): Update signature.
10551 * sched-int.h (Copyright): Update date.
10552 (ds_t): Change typedef to 'int'.
10553 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10555 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10557 * haifa-sched.c (Copyright): Update date.
10558 (try_ready): Change condition to restore non-speculative pattern
10559 of the instruction.
10560 (process_insn_depend_be_in_spec): Code to keep probability of the
10561 speculative dependence non-decreasing.
10563 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10565 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10566 shut up the compiler.
10568 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10570 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10571 to use lib prefix for target.
10572 ($(T)libic_invalidate_array_4-200.a): Likewise.
10573 ($(T)libic_invalidate_array_4a.a): Likewise.
10575 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10576 J"orn Rennecke <joern.rennecke@st.com>
10578 * superh.opt: New file.
10579 * sh.c (boardtype, osruntime): Remove.
10580 * superh.h (SUBTARGET_OPTIONS): Remove.
10581 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10583 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10584 arguments with ^ and/or [].
10586 * config.gcc (sh-*-*): Add quoting to account for quirk of
10588 Replace == with = in enable_incomplete_targets test.
10590 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10591 with MASK_LITTLE_ENDIAN.
10593 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10594 * config/sh/sh.opt: Added to some comments.
10595 * config/sh/superh.h: Removed some chaff.
10597 * config/sh/sh.opt: Add m4-[1234]00* options.
10598 * config/sh/sh.c (sh_handle_option): Likewise.
10599 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10600 (ic_invalidate_array_4-100.o): New rule.
10601 ($(T)libic_invalidate_array_4-100.a): Likewise.
10602 (ic_invalidate_array_4-200.o): Likewise.
10603 ($(T)libic_invalidate_array_4-200.a): Likewise.
10604 (ic_invalidate_array_4a.o): Likewise.
10605 ($(T)libic_invalidate_array_4a.a): Likewise.
10606 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10607 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10609 * config/sh/crt1.asm: Merged in profiling code.
10610 * config/sh/superh.h (STARTFILE_SPEC): Override.
10611 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10612 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10613 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10615 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10616 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10617 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10619 * sh.opt (mpretend-cmove): New option.
10620 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10621 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10622 (movsicc): Add TARGET_PRETEND_CMOVE code.
10624 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10626 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10627 s390_class_max_nregs): New function prototypes.
10628 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10629 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10630 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10631 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10633 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10635 * dwarf2out.c (add_location_or_const_value_attribute): Call
10636 tree_add_const_value_attribute if nothing else works.
10637 (reference_to_unused): New.
10638 (rtl_for_decl_init): Use reference_to_unused to decide whether
10639 to output an initializer.
10641 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10644 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10645 peephole removing spe frob_di_df_2.
10647 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10649 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10650 (subscript_dependence_tester_1): Declared.
10651 (print_dir_vectors, print_dist_vectors): New.
10652 (debug_data_dependence_relation): New.
10653 (dump_data_dependence_relation): Print more details.
10654 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10655 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10656 (save_dist_v, save_dir_v, add_outer_distances,
10657 build_classic_dist_vector_1): New.
10658 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10659 Don't test for lambda_vector_lexico_pos.
10660 (same_access_functions, add_multivariate_self_dist,
10661 add_other_self_distances, dir_from_dist): New.
10662 (build_classic_dir_vector): Replace implementation almost identical to
10663 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10665 (subscript_dependence_tester_1): New.
10666 (subscript_dependence_tester): Handle the lexicographically negative
10667 distance vectors by recomputing the dependence relation.
10668 (compute_affine_dependence): Remove parameter loop_nest_depth.
10669 (compute_self_dependence): Don't call compute_subscript_distance.
10670 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10671 Add a parameter for the loop_nest.
10672 (find_loop_nest_1, find_loop_nest): New.
10673 (compute_data_dependences_for_loop): Compute the loop nest, and give
10674 up if the nest is not well formed.
10675 * tree-data-ref.h (loop_p): New.
10676 (struct data_dependence_relation): Replace size_vect field with
10677 loop_nest, a vec of loops.
10678 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10679 (DDR_LOOP_NEST): New.
10680 (print_dir_vectors, print_dist_vectors,
10681 debug_data_dependence_relation): Declared.
10682 (index_in_loop_nest): New.
10683 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10684 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10687 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10689 * simplify-rtx.c (simplify_relational_operation): Call
10690 simplify_relational_operation_1 even if mode is VOIDmode.
10692 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10694 PR tree-optimization/26804
10695 * tree.h (DECL_CALL_CLOBBERED): New macro.
10696 (tree_decl_common): Add call_clobbered_flag.
10697 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10698 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10699 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10700 (mark_non_addressable): Ditto.
10701 * tree-ssa.c (verify_call_clobbered): New function.
10702 (verify_alias_info): Use it.
10703 * tree-pass.h (pass_reset_cc_flags): New prototype.
10704 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10705 (reset_cc_flags): New function.
10706 * passes.c (init_optimization_passes): Call reset_cc_flags after
10707 initializing referenced_vars.
10709 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10710 Roger Sayle <roger@eyesopen.com>
10712 PR middle-end/26717
10713 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10714 to 1.0 for non-real operands. Implement A / A optimization for
10717 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10719 * config/i386/i386.c (size_cost): Correct the comment for
10720 cost of storing fp registers.
10721 (i386_cost): Likewise.
10722 (i486_cost): Likewise.
10723 (pentium_cost): Likewise.
10724 (pentiumpro_cost): Likewise.
10725 (k6_cost): Likewise.
10726 (athlon_cost): Likewise.
10727 (k8_cost): Likewise.
10728 (pentium4_cost): Likewise.
10729 (nocona_cost): Likewise.
10730 (generic64_cost): Likewise.
10731 (generic32_cost): Likewise.
10733 2006-03-24 Denis Chertykov <denisc@overta.ru>
10735 * config/avr/avr-protos.h (extra_constraint): Delete.
10736 (extra_constraint_Q): New declaration.
10737 * config/avr/constraints.md: New file.
10738 * config/avr/avr.md: Include it.
10739 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10740 (TMP_REGNO, ZERO_REGNO): Likewise.
10741 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10742 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10743 (extra_constraint): Delete.
10744 (extra_constraint_Q): Test for memory constraint 'Q'.
10745 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10746 (REG_CLASS_FROM_LETTER): Delete.
10747 (CONST_OK_FOR_LETTER_P): Delete.
10748 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10749 (EXTRA_CONSTRAINT): Delete.
10750 (TMP_REGNO): Delete.
10751 (ZERO_REGNO): Delete.
10753 2006-03-24 Jeff Law <law@redhat.com>
10755 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10756 directly. Call mark_new_vars_to_rename slightly earlier.
10758 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10760 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10761 (is_cxx): Likewise.
10762 (gen_compile_unit_die): Use new language types for Objective-C and
10764 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10765 DW_LANG_C_plus_plus.
10768 * config/t-darwin (crt3.o): Work around bug 26840.
10769 * config/darwin-crt3.c: Rewrite.
10770 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10772 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10774 * doc/invoke.texi: Document -femit-class-debug-always
10775 * common.opt: Add -femit-class-debug-always.
10777 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10779 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10780 index and base register.
10781 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10782 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10783 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10784 REGNO_OK_FOR_INDEX_P.
10785 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10787 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10788 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10789 REG_OK_FOR_BASE_P): Definitions removed.
10791 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10793 PR middle-end/26611
10794 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10795 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10796 set yet or weren't marked as local yet.
10798 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10800 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10803 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10805 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10806 (rs6000_legitimate_small_data_p): Delete.
10807 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10808 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10809 and make static. Add forward declaration. Update uses.
10810 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10811 of offsettable_memref_p.
10812 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10813 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10815 2006-03-24 Jeff Law <law@redhat.com>
10817 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10818 around bug in immediate-use iterator.
10820 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10823 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10824 or __LITTLE_ENDIAN__.
10826 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10828 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10829 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10830 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10831 * config/sh/sh.opt (mdiv=): Amend description.
10832 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10833 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10834 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10835 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10836 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10837 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10838 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10839 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10840 TARGET_DIVIDE_CALL_FP.
10842 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10844 * haifa-sched.c (choose_ready): Fix type of the local variable.
10845 Move local variables. Add comment.
10846 (check_reg_live): Change signature. Make callable from debugger.
10847 * sched-int.h (check_reg_live): Update signature.
10848 * sched-ebb.c (check_reg_live): Update parameters.
10849 * sched-rgn.c (check_reg_live): Ditto.
10850 (region_head_or_leaf_p): Check pointer before dereferencing.
10851 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10852 before reload on optimization levels below 1.
10854 2006-03-23 Richard Henderson <rth@redhat.com>
10856 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10860 * config/alpha/predicates.md (local_symbolic_operand): Reject
10863 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10866 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10867 expressions which have overflowed constants.
10869 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10871 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10873 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10875 * cfgloopmanip.c (create_loop_notes): Removed.
10876 * final.c (final_scan_insn): Do not handle loop notes.
10877 * jump.c (squeeze_notes): Ditto.
10878 * cfglayout.c (skip_insns_after_block,
10879 duplicate_insn_chain): Ditto.
10880 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10882 * cfgloop.h (create_loop_notes): Declaration removed.
10884 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10886 * varasm.c (output_constant_pool): Restore fnname and fndecl
10888 (assemble_start_function): Adjust call accordingly.
10889 (assemble_end_function): Likewise.
10891 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10894 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10897 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10899 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10902 * system.h (ICE_EXIT_CODE): New macro.
10903 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10904 (diagnostic_action_after_output): Likewise.
10905 * gcc.c (fatal_ice): New function.
10906 (execute): Use it instead of fatal.
10907 (fancy_abort): Likewise.
10908 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10910 2006-03-22 Jeff Law <law@redhat.com>
10912 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10913 iv_analyze_result returning false.
10915 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10917 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10919 2006-03-22 Richard Henderson <rth@redhat.com>
10921 PR middle-end/26084
10922 * except.c (duplicate_eh_regions_0): New.
10923 (duplicate_eh_region_1): Duplicate the children of the node as
10924 well as the node itself. Link them up properly.
10925 (duplicate_eh_region_2): Merge into ...
10926 (duplicate_eh_regions): ... here. Take copy_region argument, and
10927 copy only a sub-tree if asked. Simplify copying and fixup.
10928 (eh_region_outer_p): New.
10929 * except.h (duplicate_eh_regions): Update decl.
10930 (eh_region_outer_p): Declare.
10931 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10932 (lower_omp_master): Likewise.
10933 (lower_omp_ordered): Likewise.
10934 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10935 (move_stmt_r): Use it to remap labels. Handle recursion vs
10936 remap_decls_p properly.
10937 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10938 (find_outermost_region_in_block): New.
10939 (new_label_mapper): New.
10940 (move_sese_region_to_fn): Copy eh information to the new function
10942 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10944 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10947 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10949 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10950 into shared libraries.
10952 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10954 * doc/md.texi: Refer to i386/constraints.md instead of
10955 i386/predicates.md.
10956 * config/i386/constraints.md: New file, extracted from...
10957 * config/i386/predicates.md: ...here.
10958 * config/i386/i386.md: Include constraints.md.
10960 2006-03-21 Jason Merrill <jason@redhat.com>
10962 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10964 PR middle-end/20297
10965 * expr.c (init_block_move_fn): Force default visibility.
10966 (init_block_clear_fn): Likewise.
10967 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10968 * targhooks.c (default_external_stack_protect_fail): Likewise.
10970 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10972 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10973 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10974 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10975 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10976 (loadgp): Use mips_current_loadgp_style.
10977 (loadgp_noshared): New pattern.
10978 (sibcall_internal): Use MIPS_CALL.
10979 (sibcall_value_internal): Likewise.
10980 (sibcall_value_multiple_internal): Likewise.
10981 (call_internal): Likewise.
10982 (call_value_internal): Likewise.
10983 (call_value_multiple_internal): Likewise.
10984 (call_split): Use MIPS_CALL and add an 'S' constraint.
10985 (call_value_split): Likewise.
10986 (call_value_multiple_split): Likewise.
10987 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10988 (-mshared): New option.
10989 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10990 (mips_current_loadgp_style): Declare.
10991 * config/mips/mips.c (mips_classify_symbol): Avoid using
10992 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10993 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10994 TARGET_ABSOLUTE_ABICALLS.
10995 (override_options): Adjust comments. Improve the warning that is
10996 issued when -mabicalls and -G are used together.
10997 (mips_file_start): Remove comment.
10998 (mips_current_loadgp_style): New function.
10999 (mips_gnu_local_gp): New variable.
11000 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11002 (mips_output_function_prologue): Use mips_current_laodgp_style.
11003 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11004 the cprestore instruction.
11005 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11006 live for TARGET_ABSOLUTE_ABICALLS.
11007 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11008 (ASM_SPEC): Pass down -mshared and -mno-shared.
11009 (MIPS_CALL): New macro.
11010 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11012 * doc/invoke.texi (-mabicalls): Update documentation.
11013 (-mshared): Document.
11015 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11017 * config/ia64/unwind-hpux.c: New file.
11018 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11020 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11023 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11025 2006-03-21 Jeff Law <law@redhat.com>
11027 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11028 type conversions of a VR_VARYING source to a wider type.
11030 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11032 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11033 tm_file on Solaris 10 and later.
11034 (sparc64-*-solaris2*): Likewise.
11035 (sparc-*-solaris2*): Likewise.
11036 * config/sol26.h: Rename to config/sol2-6.h.
11037 * config/sol2-10.h: New file.
11039 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11042 * tree-ssa-pre.c (create_component_ref_by_pieces):
11045 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11048 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11049 return it immediately.
11051 2006-03-21 Michael Matz <matz@suse.de>
11053 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11055 (remove_arc, add_arc): Update num_out_arcs member.
11056 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11058 (cache_presence): New function.
11059 (compare_states_for_equiv): New function.
11060 (state_is_differed): Don't take number of outargs, adjust callers.
11061 Use new invariant for speeding up.
11062 (init_equiv_class): Create initial classes based on sorted
11064 (partition_equiv_class): Don't track out_arcs_num.
11065 (evaluate_equiv_classes): Call cache_presence on all states and
11068 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11070 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11071 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11072 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11073 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11075 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11076 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11077 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11078 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11079 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11081 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11082 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11083 (REGNO_REG_CLASS): ARGP is in PREGS.
11084 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11086 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11087 to deal with those addresses.
11088 * addresses.h: New file.
11089 * caller-save.c: Include "addresses.h".
11090 (init_caller_save): Use new base_reg_class function.
11091 * rtl-factoring.c: Include "addresses.h".
11092 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11093 * recog.c: Include "addresses.h".
11094 (preprocess_constraints): Use new base_reg_class function.
11095 * regrename.c: Include "addresses.h".
11096 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11097 functions. Keep track of a new var INDEX_CODE to compute valid
11099 (replace_oldest_value_addr): Likewise.
11100 (replace_oldest_value_mem): Use base_reg_class.
11101 * reload.c: Include "addresses.h".
11102 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11103 (find_reloads): Use new base_reg_class function.
11104 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11105 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11106 all callers and prototype changed.
11107 * reload1.c: Include "addresses.h".
11108 (maybe_fix_stack_asms): Use base_reg_class.
11109 * regclass.c: Include "addresses.h".
11110 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11111 (init_reg_autoinc): Use new base_reg_class function.
11112 (record_reg_classes): Likewise.
11113 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11114 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11115 Use new args to compute necessary class.
11117 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11118 regrename.o, rtl-factoring.o): Update dependencies.
11119 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11120 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11121 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11122 REG_OK_FOR_INDEX_P): Delete documentation.
11124 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11126 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11127 from V7 to V9 for Solaris 7 and above.
11129 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11131 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11132 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11133 argument pointers may not alias any other storage.
11134 * common.opt: Define option -fargument-noalias-anything.
11135 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11136 alias semantics is specified by flag_argument_noalias > 2.
11138 2006-03-20 Jeff Law <law@redhat.com>
11140 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11141 (pass_phi_only_cprop): Declare.
11142 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11143 with phi_only_cprop
11144 * tree-ssa-dom.c (degenerate_phi_result): New function.
11145 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11146 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11147 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11148 (eliminate_degenerate_phis): Likewise.
11149 (pass_phi_only_cprop): New pass descriptor.
11150 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11151 support code. Callers updated.
11152 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11153 (store_copy_prop): Likewise.
11154 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11156 2006-03-20 Jason Merrill <jason@redhat.com>
11159 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11160 (push_visibility, pop_visibility): Likewise.
11161 * c-pragma.h: Declare them.
11163 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11165 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11167 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11168 parameter and use get_ebb_head_tail.
11169 (sh_md_init_global): Adjust uses of find_regmode_weight.
11171 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11173 * function.h (struct function) <x_tail_recursion_reentry>:
11174 Rename to x_stack_check_probe_note.
11175 (tail_recursion_reentry): Rename to stack_check_probe_note.
11176 * function.c: Replace tail_recursion_reentry with
11177 stack_check_probe_note everywhere.
11178 (expand_function_start): Only emit a note for
11179 stack_check_probe_note with -fstack-protect.
11180 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11182 * emit-rtl.c (remove_unnecessary_notes): Remove.
11183 (pass_remove_unnecessary_notes): Remove.
11184 * rtl.h (remove_unnecessary_notes): Remove prototype.
11185 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11186 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11187 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11189 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11192 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11193 (valid_in_set): Handle ARRAY_REF.
11194 Change "if min_variant or VH" to asserts.
11195 (create_component_ref_by_pieces): Handle ARRAY_REF.
11196 (create_expression_by_pieces): Likewise.
11197 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11199 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11201 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11202 is operand of switch, not str[0].
11204 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11206 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11207 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11209 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11211 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11212 end of insn_extra_address_constraint declaration.
11214 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11216 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11217 (no-sum-in-toc): Same.
11218 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11220 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11221 NO_FP_IN_TOC for -fPIC instead of mask.
11223 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11224 (BOOT_LDFLAGS): Delete.
11226 * config/rs6000/t-aix52: Same.
11228 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11229 (stmsi[345678]_power): New.
11231 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11233 * config/ia64/ia64.opt: Add empty line to end of file.
11235 2006-03-17 Richard Guenther <rguenther@suse.de>
11237 PR middle-end/26721
11238 * builtins.c (get_pointer_alignment): For component style references
11239 adjust alignment to the component type alignment. Make sure
11240 to adjust alignment for component access of constants.
11242 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11244 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11245 unconditional jump.
11247 2006-03-17 Paul Brook <paul@codesourcery.com>
11249 * doc/install.texi: Docuemnt --with-mode.
11250 * config.gcc: Add --with-mode for arm*-*-*.
11251 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11253 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11255 * sh.c (max_labelno_before_reorg): New variable.
11256 (sh_reorg): Initialize it.
11257 (find_barrier): Check max_labelno_before_reorg before using
11258 label_to_alignment. Take length of explicit alignment insns
11259 into account. When seeing a UNSPECV_CONST_END, return it.
11261 * sh.c (fixup_mova): Set mode of affected label to QImode.
11262 (untangle_mova): New function.
11263 (find_barrier): Use it. Check mode of label before decrementing
11265 (sh_reorg): Likewise.
11266 Set mode of all insns back to VOIDmode.
11268 * sh.c (MOVA_LABELREF): New macro.
11269 (mova_p, fixup_mova, sh_reorg): Use it.
11270 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11271 ADDR_DIFF_VEC matches mova.
11273 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11275 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11276 with ATTRIBUTE_UNUSED.
11278 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11280 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11281 pointer, instead of assuming it is possible to derive the
11282 correct args size from a call insn.
11284 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11286 * rtl.h (CONST_INT_P): Define.
11287 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11288 instead of GET_CODE(x) == CONST_INT.
11289 (vax_rtx_costs): Likewise.
11290 (vax_output_int_move): Likewise.
11291 (vax_output_int_add): Likewise.
11292 (legitimate_constant_address_p): Likewise.
11293 (index_term_p): Likewise.
11294 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11295 * config/vax/vax.md (and<mode>3): Likewise.
11296 (ashrsi3): Likewise.
11298 (movstricthi): Likewise.
11299 (movstrictqi): Likewise.
11300 (rotrsi3): Likewise.
11301 (five unnamed insns): Likewise.
11303 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11305 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11306 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11307 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11308 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11309 Pass to ASM_OUTPUT_DWARF_OFFSET.
11310 * dwarf2out.c (debug_frame_section): New.
11311 (output_call_frame_info): Use debug_frame_section. Pass it to
11312 dw2_asm_output_offset.
11313 (output_die): Pass appropriate section to dw2_asm_output_offset.
11314 (output_compilation_unit_header): Likewise.
11315 (output_pubnames): Likewise.
11316 (output_aranges): Likewise.
11317 (enum dw_val_class): Break dw_val_class_lbl_offset into
11318 dw_val_class_lineptr and dw_val_class_macptr.
11319 (add_AT_lbl_offset): Delete.
11320 (add_AT_lineptr): New.
11321 (add_AT_macptr): New.
11322 (AT_lbl): Expect a lineptr or macptr.
11323 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11324 (attr_checksum): Likewise.
11325 (same_dw_val_p): Likewise.
11326 (size_of_die): Likewise.
11327 (value_format): Likewise.
11328 (output_die): Likewise.
11329 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11331 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11332 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11333 * config/darwin-protos.h (darwin_file_start): New.
11334 (darwin_asm_output_dwarf_offset): New.
11335 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11336 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11338 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11339 if not EH section; simplify.
11340 (darwin_file_start): New.
11341 (darwin_asm_output_dwarf_offset): New.
11342 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11344 (DEBUG_INFO_SECTION): Likewise.
11345 (DEBUG_ABBREV_SECTION): Likewise.
11346 (DEBUG_ARANGES_SECTION): Likewise.
11347 (DEBUG_MACINFO_SECTION): Likewise.
11348 (DEBUG_LINE_SECTION): Likewise.
11349 (DEBUG_LOC_SECTION): Likewise.
11350 (DEBUG_PUBNAMES_SECTION): Likewise.
11351 (DEBUG_STR_SECTION): Likewise.
11352 (DEBUG_RANGES_SECTION): Likewise.
11353 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11354 (ASM_OUTPUT_DWARF_OFFSET): New.
11356 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11358 * config.gcc (tm_defines): Always add to previous value rather
11361 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11363 * config/mips/predicates.md (splittable_const_int_operand): New,
11364 split from move_operand.
11365 (splittable_symbolic_operand): New.
11366 (move_operand): Add commentary. Use splittable_const_int_operand.
11367 Inline mips_atomic_symbolic_constant_p.
11368 * config/mips/mips.md: Add combine splitters for handling moves
11369 of splittable_const_int_operands and splittable_symbolic_operands.
11370 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11371 (mips_split_symbol): Declare.
11372 (mips_move_integer): Declare.
11373 * config/mips/mips.c (mips_split_p): Make global.
11374 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11375 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11376 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11377 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11378 (mips_offset_within_object_p): Handle block symbols.
11379 (mips_atomic_symbolic_constant_p): Delete.
11380 (mips_cannot_force_const_mem): Return false for constants that
11381 mips_legitimize_move can handle.
11382 (mips_use_blocks_for_constant_p): New function.
11383 (mips_split_symbol): Make global.
11384 (mips_move_integer): Likewise. Add a temporary register argument.
11385 (mips_legitimize_const_move): Use splittable_const_int_operand and
11386 splittable_symbolic_operand.
11387 (mips_use_anchors_for_symbol_p): New function.
11388 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11389 (mips_split_p): Declare.
11391 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11393 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11394 (mips*-*-linux*): Likewise.
11396 2006-03-16 Roger Sayle <roger@eyesopen.com>
11397 Daniel Speyer <dspeyer@wam.umd.edu>
11399 PR middle-end/18259
11400 * tree-dump.c (dump_real): New function.
11401 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11402 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11403 (tree-dump.o): Add $(REAL_H) to the dependencies.
11405 2006-03-16 Roger Sayle <roger@eyesopen.com>
11407 PR middle-end/21781
11408 * real.c (real_from_string): If the mantissa is zero, don't bother
11409 parsing the exponent as the result should always be zero.
11411 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11413 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11415 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11417 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11418 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11419 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11420 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11421 ia64_sched_finish_global): New static functions to implement
11422 hooks from gcc_target.sched.
11423 (spec_check_no, max_uid, pending_data_specs): New static variables.
11424 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11425 ia64_spec_check_src_p): New static functions.
11426 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11427 (TARGET_SCHED_ADJUST_COST): Removed.
11428 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11429 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11430 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11431 TARGET_SCHED_GEN_CHECK,
11432 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11433 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11434 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11435 Fixed to handle speculation checks.
11436 (rtx_needs_barrier): Fixed to handle speculative loads and
11438 (ia64_variable_issue): Added code to count speculative loads and their
11440 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11442 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11444 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11446 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11447 (ia64_reorg): Reset stops_p to NULL after it is freed.
11448 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11449 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11450 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11452 (data_speculative, control_speculative, check_load): New attributes.
11453 (mov<mode>_advanced, mov<mode>_speculative,
11454 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11455 zero_extend<mode>di2_speculative,
11456 zero_extend<mode>di2_speculative_advanced): New patterns for
11457 data and control speculative loads.
11458 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11460 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11461 New pattern for data and control speculation checks.
11462 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11463 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11464 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11465 Auxiliary definitions for the patterns.
11466 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11467 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11469 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11471 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11472 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11473 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11474 New resource constraints.
11475 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11477 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11478 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11479 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11480 msched-in-control-spec, msched-ldc, msched-control-ldc,
11481 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11482 msched-prefer-non-control-spec-insns,
11483 msched-count-spec-in-critical-path): New flags to tune speculative
11485 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11486 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11487 msched-in-control-spec, msched-ldc, msched-control-ldc,
11488 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11489 msched-prefer-non-control-spec-insns,
11490 msched-count-spec-in-critical-path): Document new flags.
11492 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11494 * target.h (struct spec_info_def): New opaque declaration.
11495 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11496 speculate_insn, needs_block_p, gen_check,
11497 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11498 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11499 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11500 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11501 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11502 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11504 (TARGET_SCHED): Use new macros.
11505 * rtl.h (copy_DEPS_LIST_list): New prototype.
11506 * sched-int.h (struct sched_info): Change signature of new_ready field,
11507 adjust all initializations. New fields: add_remove_insn,
11508 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11509 region_head_or_leaf_p.
11510 (struct spec_info_def): New structure declaration.
11511 (spec_info_t): New typedef.
11512 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11513 recovery_block, orig_pat.
11514 (glat_start, glat_end): New variables declaraions.
11515 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11517 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11518 DETACH_LIFE_INFO, USE_GLAT.
11519 (enum SPEC_SCHED_FLAGS): New enumeration.
11520 (NOTE_NOTE_BB_P): New macro.
11521 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11522 attach_life_info, debug_spec_status, check_reg_live): New functions.
11523 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11524 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11526 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11527 * ddg.c (get_block_head_tail): Adjust all uses.
11528 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11529 (sms_sched_info): Initialize new fields.
11530 (contributes_to_priority): Removed.
11531 * haifa-sched.c (params.h): New include.
11532 (get_block_head_tail): Adjust all uses.
11533 (ISSUE_POINTS): New macro.
11534 (glat_start, glat_end): New global variables.
11535 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11536 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11537 old_last_basic_block, before_recovery, current_sched_info_var,
11538 rgn_n_insns, luid): New static variables.
11539 (insn_cost1): New function. Move logic from insn_cost to here.
11540 (find_insn_reg_weight1): New function. Move logic from
11541 find_insn_reg_weight to here.
11542 (reemit_notes, move_insn, max_issue): Change signature.
11543 (move_insn1): Removed.
11544 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11545 extend_bb): New static functions to support extension of scheduler's
11547 (generate_recovery_code, process_insn_depend_be_in_spec,
11548 begin_speculative_block, add_to_speculative_block,
11549 init_before_recovery, create_recovery_block, create_check_block_twin,
11550 fix_recovery_deps): New static functions to support
11551 generation of recovery code.
11552 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11553 restore_bb_notes, move_block_after_check, move_succs): New static
11554 functions to support ebb scheduling.
11555 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11556 functions to support handling of register live information.
11557 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11558 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11559 add_jump_dependencies): New static functions.
11560 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11561 consistancy checking.
11562 (debug_spec_status): New function to call from debugger.
11563 (priority): Added code to handle speculation checks.
11564 (rank_for_schedule): Added code to distinguish speculative instructions.
11565 (schedule_insn): Added code to handle speculation checks.
11566 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11567 Fixed to handle ebbs.
11568 (move_insn): Added code to handle ebb scheduling.
11569 (max_issue): Added code to use ISSUE_POINTS of instructions.
11570 (choose_ready): Added code to choose between speculative and
11571 non-speculative instructions.
11572 (schedule_block): Added code to handle ebb scheduling and scheduling of
11573 speculative instructions.
11574 (sched_init): Initialize new variables.
11575 (sched_finish): Free new variables. Print statistics.
11576 (try_ready): Added code to handle speculative instructions.
11577 * lists.c (copy_DEPS_LIST_list): New function.
11578 * sched-deps.c (extend_dependency_caches): New function. Move logic
11579 from create_dependency_caches to here.
11580 (get_dep_weak, ds_merge): Make global.
11581 * genattr.c (main): Code to output prototype for
11582 dfa_clear_single_insn_cache.
11583 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11584 (output_dfa_clean_insn_cache_func): Code to output
11585 dfa_clear_single_insn_cache function.
11586 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11588 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11590 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11591 New static variables.
11592 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11593 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11595 (ebb_sched_info): Initialize new fields.
11596 (get_block_head_tail): Adjust all uses.
11597 (compute_jump_reg_dependencies): Fixed to use glat_start.
11598 (schedule_ebb): Code to remove unreachable last block.
11599 (schedule_ebbs): Added code to update register live information.
11600 * sched-rgn.c (region_sched_info): Initialize new fields.
11601 (get_block_head_tail): Adjust all uses.
11602 (last_was_jump): Removed. Adjust users.
11603 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11604 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11605 Implement new hooks.
11606 (check_dead_notes1): New static function.
11607 (struct region): New fields: dont_calc_deps, has_real_ebb.
11608 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11609 (BB_TO_BLOCK): Fixed to handle EBBs.
11610 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11611 (ebb_head): New static variable.
11612 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11613 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11615 (compute_dom_prob_ps): New assertion.
11616 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11617 global_live_at_start.
11618 (init_ready_list): New assertions.
11619 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11620 (new_ready): Add support for BEGIN_CONTROL speculation.
11621 (schedule_insns): Fixed code that updates register live information
11623 (schedule_region): Fixed to handle EBBs.
11624 (init_regions): Use extend_regions and check_dead_notes1.
11625 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11626 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11627 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11628 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11629 TARGET_SCHED_GEN_CHECK,
11630 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11631 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11632 * doc/invoke.texi (max-sched-insn-conflict-delay,
11633 sched-spec-prob-cutoff): Document.
11635 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11637 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11638 inter_tick, queue_index.
11639 (struct sched_info): Change signature of init_ready_list field.
11640 Adjust all initializations.
11641 (RESOLVED_DEPS): New access macro.
11642 (ready_add): Remove prototype.
11643 (try_ready): Add prototype.
11644 * sched-rgn.c (init_ready_list): Use try_ready.
11645 (schedule_region): Initialize
11646 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11647 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11648 (init_ready_list): Use try_ready.
11649 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11650 * lists.c (remove_list_elem): Remove `static'.
11651 (remove_free_INSN_LIST_elem): New function.
11652 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11653 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11654 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11656 (readyp): New variable.
11657 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11658 change_queue_index, resolve_dep): New static functions.
11659 (try_ready): New function. Adjust callers in sched-rgn.c and
11660 sched-ebb.c to use it instead of ready_add.
11661 (clock_var): Move at the begining of file.
11662 (rank_for_schedule): Fix typo.
11663 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11664 (ready_lastpos): Enforce assertion.
11665 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11666 update all callers.
11667 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11668 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11669 (queue_to_ready): Use free_INSN_LIST_list.
11670 (early_queue_to_ready): Fix typo.
11671 (schedule_block): Init readyp. Move init_ready_list call after the
11672 initialization of clock_var. Fix error in rejecting insn by
11673 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11674 that previously corrected INSN_TICKs. Add code for handling
11676 (set_priorities): Fix typo.
11677 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11678 Clarify comment and code that keeps current_sched_info->next_tail
11681 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11683 * sched-rgn.c (extend_rgns): New static function.
11684 (find_rgns): Use it.
11685 (gather_region_statistics, print_region_statistics): New static
11687 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11688 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11690 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11691 Andrey Belevantsev <abel@ispras.ru>
11693 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11694 * lists.c (unused_deps_list): New variable.
11695 (free_list): Add assertions to verify the proper distinguishing
11696 between INSN_LISTs and DEPS_LISTs.
11697 (find_list_elem, remove_list_elem, remove_list_node): New static
11699 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11700 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11701 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11702 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11704 (free_INSN_LIST_node): Likewise.
11705 * modulo-sched.c (current_sched_info): Initialize flags field.
11706 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11707 * rtl.def (DEPS_LIST): Define.
11708 * rtl.h: Declare new functions from lists.c.
11709 * sched-deps.c (spec_dependency_cache): New static variable.
11710 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11711 (add_dependence): Change return type to void. Move the logic to ...
11712 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11713 (delete_all_dependences): Add comment about forward_dependency_cache.
11714 Handle spec_dependency_cache. Handle DEPS_LISTs.
11715 (fixup_sched_groups): Clarify the change of priority of output
11716 and anti dependencies.
11717 (sched_analyze_2): Adjust add_dependence calls to create data
11718 speculative dependence.
11719 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11720 Adjust all callers. Handle DEPS_LISTS.
11721 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11722 presence of speculation.
11723 (init_dependency_caches, free_dependency_caches):
11724 Handle spec_dependency_cache.
11725 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11726 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11727 New static functions.
11728 (add_or_update_back_dep, add_or_update_back_forw_dep,
11729 add_back_forw_dep, delete_back_forw_dep): New functions.
11730 * sched-int.h (ds_t, dw_t): New typedefs.
11731 (struct sched_info): Add new field flags.
11732 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11733 Prototype new sched-deps.c functions.
11734 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11735 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11736 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11737 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11738 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11739 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11741 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11743 * sched-rgn.c (current_sched_info): Initialize flags field.
11744 (schedule_insns): Initialize current_sched_info before the sched_init
11746 * sched-ebb.c (current_sched_info): Initialize flags field.
11747 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11748 Call add_or_update_back_dep instead of add_dependence.
11749 Create control speculative dependencies.
11750 (schedule_insns): Initialize current_sched_info before the sched_init
11753 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11755 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11757 (sh_fallback_frame_state): Likewise.
11759 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11761 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11762 Do switch on default_use_cxa_atexit.
11763 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11764 * config/darwin-crt3.o: New.
11765 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11766 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11767 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11769 * config/rs6000/t-darwin: Move crt2.o building to here.
11770 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11771 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11774 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11776 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11777 from '! xxx' to '!xxx' for coding-style conformance.
11778 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11779 (EXTRA_CONSTRAINT): Likewise.
11780 * config/vax/vax.md (four unnamed insns): Likewise.
11782 2006-03-15 Paul Brook <paul@codesourcery.com>
11784 * config/arm/arm.c (minipool_pad): New.
11785 (add_minipool_forward_ref): Include pool alignment padding in address
11787 (push_minipool_fix): Set minipool_pad.
11788 (minipool_pad): Ditto.
11790 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11792 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11793 instead of GET_CODE() == MEM and REG_P() instead of
11795 (print_operand_address): Likewise.
11796 (vax_address_cost): Likewise.
11797 (vax_rtx_costs): Likewise.
11798 (vax_notice_update_cc): Likewise.
11799 (vax_output_int_add): Likewise.
11800 (INDEX_REGISTER_P): Likewise.
11801 (BASE_REGISTER_P): Likewise.
11802 (nonindexed_address_p): Likewise.
11803 (vax_mode_dependent_address_p): Likewise.
11804 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11805 (PRINT_OPERAND): Likewise.
11806 * config/vax/vax.md (ashlsi3): Likewise.
11807 (ashlsi3): Likewise.
11808 (some more unnamed insns): Likewise.
11810 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11812 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11813 iterator-style macro.
11814 (mark_control_dependent_edges_necessary): Update the use of
11815 EXECUTE_IF_CONTROL_DEPENDENT.
11817 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11819 * config/sh/predicates.md (cache_address_operand): Special.
11820 (ua_address_operand): Likewise.
11822 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11824 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11826 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11828 2006-03-15 Andreas Schwab <schwab@suse.de>
11830 * gensupport.c (identify_predicable_attribute): Don't free p_false
11831 when it is still in use.
11833 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11835 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11836 the default setting here.
11838 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11840 * tree-pass.h (pass_cfg): Remove.
11841 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11842 * passes.c (pass_cfg): Don't run it.
11844 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11846 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11847 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11849 (stack_regs_mentioned): Update the uses of
11850 stack_regs_mentioned_data. Don't access the array beyond its
11852 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11853 Don't include gt-reg-stack.h.
11855 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11856 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11858 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11860 PR middle-end/26684
11861 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11864 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11866 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11868 2006-03-14 Richard Guenther <rguenther@suse.de>
11870 PR tree-optimization/26672
11871 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11874 2006-03-14 Richard Guenther <rguenther@suse.de>
11876 PR tree-optimization/26667
11877 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11878 node for the callees. Always allow inlining if it will shrink
11881 2006-03-14 Richard Guenther <rguenther@suse.de>
11883 PR middle-end/26659
11884 * builtins.c (get_pointer_alignment): Prefer alignment
11885 information from decls over that from types.
11887 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11890 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11892 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11894 * config/rs6000/rs6000.opt (mdlmzb): New option.
11895 (msched-prolog, msched-epilog): Use Var not Mask.
11896 * doc/invoke.texi (-mdlmzb): Document.
11897 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11899 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11900 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11902 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11904 PR rtl-optimization/25739
11905 * bt-load.c (augment_live_range): Free tos pointer.
11907 * gensupport.c (identify_predicable_attribute): Free
11909 * gcov.c (create_file_names): Free name pointer.
11911 2006-03-13 Roger Sayle <roger@eyesopen.com>
11913 PR middle-end/26557
11914 * stmt.c (emit_case_nodes): Handle the case where the index is a
11915 CONST_INT, where the comparison mode is specified by the index type.
11917 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11919 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11922 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11924 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11925 (*branch_fp_inverted): Likewise.
11927 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11929 PR middle-end/25989
11930 * omp-low.c (expand_omp_for_generic): Mark istart0
11931 and iend0 as addressable.
11933 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11935 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11937 2006-03-13 Jeff Law <law@redhat.com>
11939 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11940 virtual operands are interesting.
11941 (vrp_visit_stmt): Corresponding changes.
11943 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11945 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11947 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11948 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11949 * config/bfin/crti.S: Use it instead of __PIC__.
11950 * config/bfin/crtn.S: Likewise.
11952 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11953 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11955 Lose 'G' modifier for call operand.
11956 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11957 recognize 'G' modifier.
11959 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11961 PR middle-end/18859
11962 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11963 * stmt.c (expand_case): Likewise.
11965 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11967 PR rtl-optimization/26254
11968 * loop-invariant.c (seq_insns_valid_p): New function.
11969 (move_invariant_reg): Only emit new code if it is valid.
11971 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11973 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11975 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11976 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11977 (commit_one_edge_insertion): Do not look for loop notes.
11979 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11981 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11982 flag_test_coverage out of loop.
11984 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11986 * final.c (shorten_branches): Remove outdated comment, and turn
11987 the if branch that guards it to continue.
11989 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11991 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11992 * cfgloop.h (struct loop): Remove unused fields.
11994 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11996 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11997 (-dL, -fdump-rtl-loop2): Update the dump file names
11999 * doc/invoke.texi: Update dump file names.
12001 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12003 * predict.c (estimate_probability): Remove.
12004 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12005 * basic-block.h (estimate_probability): Remove prototype.
12006 * passes.c (finish_optimization_passes): Dump branch prediction or
12007 profiling heuristics to the .profile tree dump.
12008 (init_optimization_passes): Unqueue pass_branch_prob.
12010 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12012 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12014 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12015 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12017 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12019 * function.h (frame_offset_overflow): Declare.
12020 * function.c (frame_offset_overflow): New function.
12021 (assign_stack_local_1): Call it to detect that the offset overflows.
12022 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12024 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12026 * config/sh/sh.c: Include alloc-pool.h.
12027 (label_ref_list_pool): New alloc pool.
12028 (label_ref_list_t): New type for lists of labels.
12029 (struct pool_node): Make wend a label_ref_list_t.
12030 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12032 (dump_table): Likewise.
12033 (sh_reorg): Set up the alloc pool before using add_constant and
12034 dump_table, and destroy it when finishing.
12036 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12038 * config/mips/mips.c: Remove redundant comment.
12040 2006-03-10 Jason Merrill <jason@redhat.com>
12043 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12044 the target was declared 'register'.
12046 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12048 * genpreds.c (write_insn_constraint_len): Change definition of
12049 insn_constraint_len to return size_t to match the declaration.
12051 2006-03-10 DJ Delorie <dj@redhat.com>
12053 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12055 (m32c_expand_insv): Fix test for an AND mask.
12057 2006-03-10 Richard Guenther <rguenther@suse.de>
12059 PR middle-end/26565
12060 * builtins.c (get_pointer_alignment): Handle component
12061 references for field alignment.
12063 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12065 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12066 when building with libgloss.
12067 (sh*elf): Implement --without-fp option.
12068 (sh64-superh-linux*): Don't multilib.
12070 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12072 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12074 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12076 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12077 Set it when one of the replacement functions returned true.
12078 Return TODO_cleanup_cfg if cfgchanged is true.
12079 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12081 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12083 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12084 instead of gen_lowpart.
12086 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12088 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12090 (mips_output_order_conditional_branch): Declare.
12091 * config/mips/mips.h (MIPS_BRANCH): New macro.
12092 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12093 for the comparison. Use gen_condjump.
12094 (mips_output_conditional_branch): Rework interface to take the
12095 asm templates for a direct branch and the inverse of a direct branch.
12096 (mips_output_order_conditional_branch): New function.
12097 (mips_builtin_branch_and_move): New function.
12098 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12099 branch condition. Use gen_single_cc as the condition for
12100 __builtin_mips_upper_* or __builtin_mips_lower_*.
12101 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12102 Use VOIDmode for the branch condition.
12103 * config/mips/predicates.md (order_operator): New predicate.
12104 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12105 (branch_fp): Rename to...
12106 (*branch_fp): ...this. Remove mode from comparison operator.
12107 Use new mips_output_conditional_branch interface.
12108 (branch_fp_inverted): Rename to...
12109 (*branch_fp_inverted): ...this and update as for *branch_fp.
12110 (*branch_zero<mode>): Rename to...
12111 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12112 Use mips_output_order_conditional_branch. Only accept ordered
12114 (*branch_zero<mode>_inverted): Rename to...
12115 (*branch_order<mode>_inverted): ...this and update as for
12116 *branch_order<mode>.
12117 (*branch_equality<mode>): Accept zero as the second operand to
12118 the equality operator. Use the new mips_output_conditional_branch
12120 (*branch_equality<mode>_inverted): Likewise.
12121 (condjump): New expander.
12122 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12124 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12125 (bc1any2t, bc1any2f): Likewise.
12126 (single_cc): New expander.
12127 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12129 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12131 * doc/md.texi: Update documentation of MIPS constraints.
12132 * config/mips/constraints.md: New file.
12133 * config/mips/mips.md: Include it.
12134 * config/mips/mips.c (mips_char_to_class): Delete.
12135 (override_options): Don't initialize mips_char_to_class.
12136 * config/mips/mips.h (mips_char_to_class): Delete.
12137 (REG_CLASS_FROM_LETTER): Delete.
12138 (CONST_OK_FOR_LETTER_P): Delete.
12139 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12140 (EXTRA_CONSTRAINT_Y): Delete.
12141 (EXTRA_CONSTRAINT_STR): Delete.
12142 (CONSTRAINT_LEN): Delete.
12143 (EXTRA_MEMORY_CONSTRAINT): Delete.
12145 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12147 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12148 original fn's eh regions.
12150 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12152 * fold-const.c (build_range_check): Make sure to use a valid type to
12153 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12156 (range_predecessor): New static function.
12157 (range_successor): Likewise.
12158 (merge_ranges): Use them to compute predecessors and successors of
12161 2006-03-09 Roger Sayle <roger@eyesopen.com>
12163 PR middle-end/26561
12164 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12165 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12167 2006-03-08 DJ Delorie <dj@redhat.com>
12169 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12170 (addpsi3): Expand to include memory operands. Remove
12171 reload-specific splits.
12172 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12173 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12174 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12175 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12176 (shift1_qi, shift1_hi, insv): New.
12177 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12178 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12179 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12181 * config/m32c/m32c-protos.h: Update as needed.
12182 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12183 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12184 Fail for unrecognized R* constraints.
12185 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12186 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12187 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12189 (m32c_init_libfuncs): New.
12190 (m32c_legitimate_address_p): Add debug wrapper.
12191 (m32c_rtx_costs): New.
12192 (m32c_address_cost): New.
12193 (conversions): Add 'B' prefix.
12194 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12195 operands, or word regnames for QI operands. 'B' prints bit
12197 (m32c_expand_setmemhi): New.
12198 (m32c_expand_movmemhi): New.
12199 (m32c_expand_movstr): New.
12200 (m32c_expand_cmpstr): New.
12201 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12202 (m32c_expand_neg_mulpsi3): Handle non-ints.
12203 (m32c_cmp_flg_0): New.
12204 (m32c_expand_movcc): New.
12205 (m32c_expand_insv): New.
12206 (m32c_scc_pattern): New.
12207 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12208 a0/a1 out of SIregs.
12209 (STORE_FLAG_VALUE): New.
12210 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12213 * config/m32c/mov.md: Make constraints more liberal.
12214 (zero_extendqihi2): Optimize r0/r1 case.
12215 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12216 * config/m32c/predicates.md (m32c_any_operand): New.
12217 (m32c_nonimmediate_operand): New.
12218 (m32c_hl_operand): New.
12219 (m32c_r3_operand): New.
12222 (memsym_operand): New.
12223 (memimmed_operand): New.
12224 (a_qi_operand): New.
12225 (m32c_eqne_operator): New.
12226 (m32c_1bit8_operand): New.
12227 (m32c_1bit16_operand): New.
12228 (m32c_1mask8_operand): New.
12229 (m32c_1mask16_operand): New.
12230 * config/m32c/blkmov.md: New file.
12231 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12233 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12235 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12236 unsigned to fix signed/unsigned comparison issue in
12237 DWARF2_FRAME_REG_OUT.
12238 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12239 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12241 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12242 of ptr into the ENABLE_CHECKING section.
12244 2006-03-08 Jeff Law <law@redhat.com>
12246 * tree-vrp.c (infer_value_range): Only count pointer uses
12247 and dereferences if -fdelete-null-pointer-checks is enabled.
12249 * tree-vrp.c (find_assert_locations): Infer value ranges for
12250 single use pointers, but do not create ASSERT_EXPRs for them.
12251 When a non-null range is inferred for a pointer, backwards
12252 propagate that range to other equivalent pointers through the
12255 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12258 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12259 language hook targets.
12260 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12261 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12262 if language hook targets were missing.
12264 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12266 * tree-ssa-opfinalize.h: Removed.
12267 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12269 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12270 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12271 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12272 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12273 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12274 finalize_ssa_v_must_def_ops): New.
12276 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12278 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12279 block as parameter.
12281 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12283 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12285 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12286 addresses with offsets; reorganize.
12288 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12289 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12290 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12292 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12295 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12297 2006-03-08 Ben Elliston <bje@au.ibm.com>
12299 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12301 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12304 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12307 2006-03-07 Richard Guenther <rguenther@suse.de>
12309 PR tree-optimization/26587
12310 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12312 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12314 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12316 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12318 * hooks.c (hook_bool_mode_rtx_true): New function.
12319 * hooks.h (hook_bool_mode_rtx_true): Declare.
12320 * toplev.c (compile_file): Call output_shared_constant_pool.
12321 * varasm.c (shared_constant_pool): New variable.
12322 (assemble_start_function, assemble_end_function): Remove arguments
12323 from call to output_constant_pool.
12324 (create_constant_pool): New function, split out from...
12325 (init_varasm_status): ...here.
12326 (force_const_mem): Choose between the shared and per-function constant
12327 pools. Set current_function_uses_const_pool when reusing old entries
12328 as well as when creating new ones.
12329 (mark_constant): Ignore data argument.
12330 (mark_constants): Remove pool argument.
12331 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12332 to decide whether the function uses a constant pool.
12333 (output_constant_pool_contents): New function, split out from...
12334 (output_constant_pool): ...here.
12335 (output_shared_constant_pool): New function.
12336 (init_varasm_once): Initialize shared_constant_pool.
12337 * output.h (output_constant_pool): Delete.
12338 (output_shared_constant_pool): Declare.
12339 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12340 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12342 2006-03-06 Nick Clifton <nickc@redhat.com>
12344 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12345 flag_strength_reduce.
12347 2006-03-06 Ben Elliston <bje@au.ibm.com>
12349 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12350 x86_64-*-linux* configurations.
12352 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12353 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12355 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12357 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12359 * basic-block.h: Remove the extern for
12360 rediscover_loops_after_threading.
12362 * cfgloop.c (cancel_loop): Make it static.
12363 * cfgloop.h: Remove the prototype for cancel_loop.
12365 * flow.c (recompute_reg_usage): Make it static.
12366 * rtl.h: Remove the prototype for recompute_reg_usage.
12368 * function.c (use_return_register): Make it static.
12369 * function.h: Remove the prototype.
12371 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12373 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12375 * recog.h: Remove the prototype for
12376 validate_change_maybe_volatile.
12378 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12380 * rtlanal.c (replace_reg): Remove.
12381 * rtl.h: Remove the prototype for replace_reg.
12383 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12385 * regclass.c (reg_scan_update): Remove.
12386 (reg_scan_mark_refs): Remove the last argument.
12387 * rtl.h: Remove the prototype for reg_scan_update.
12389 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12391 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12392 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12393 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12394 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12395 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12396 loop-invariant.c, omp-low.c, opts.c, passes.c,
12397 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12398 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12399 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12400 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12401 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12402 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12404 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12406 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12407 * dwarf2out.h: Remove the prototype for
12408 dwarf2out_add_library_unit_info.
12410 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12412 * tree.c (add_var_to_bind_expr): Remove.
12413 * tree.h: Remove the prototype for add_var_to_bind_expr.
12415 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12417 * regclass.c (n_non_fixed_regs): Remove.
12418 (init_reg_sets_1, globalize_reg): Remove all uses of
12420 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12422 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12424 * rtlanal.c (insns_safe_to_move_p): Remove.
12425 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12427 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12429 * expmed.c (expand_mult_add): Remove.
12430 * expr.h: Remove the prototype for expand_mult_add.
12432 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12434 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12435 and REG_SAVED_VAL_EXP constants.
12436 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12437 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12438 Handle regs stored by value.
12439 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12440 (execute_cfa_program): Handle DW_CFA_val_offset,
12441 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12442 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12443 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12444 (uw_install_context_1): Handle target regs stored by value.
12446 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12448 * tree-sra.c (tree_sra): Return todoflags;
12449 (generate_one_element): Set TODO_update_smt_usage if needed.
12450 (pass_sra): Remove TODO_update_smt_usage.
12451 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12453 (tree_ssa_forward_propagate_single_use_vars): Return
12454 TODO_update_smt_usage if we need to update SMT usage.
12455 (pass_forwprop): Remove TODO_update_smt_usage.
12457 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12459 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12460 (correct_use_link): Remove reference to get_stmt_operands.
12461 (update_stmt_operands): Likewise.
12462 (get_modify_expr_operands): New function factored out of
12463 parse_ssa_operands and get_expr_operands.
12464 Try to create V_MUST_DEFs for LHS by default.
12465 (get_expr_operands) <case MODIFY_EXPR>: Call
12466 get_modify_expr_operands.
12467 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12468 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12469 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12470 get_modify_expr_operands.
12472 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12474 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12475 * tree-flow.h: Remove the prototype for
12476 referenced_var_lookup_if_exists.
12478 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12480 PR rtl-optimization/26345
12482 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12484 2006-03-03 Roger Sayle <roger@eyesopen.com>
12486 PR tree-optimization/26524
12487 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12488 fold_convert to create a constant of the appropriate type.
12490 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12492 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12493 SYMBOL_REF_IN_BLOCK_P.
12494 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12495 of SYMBOL_FLAG_IN_BLOCK.
12496 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12497 instead of SYMBOL_REF_IN_BLOCK_P.
12498 * explow.c (use_anchored_address): Likewise.
12499 * rtl.c (rtx_size): Likewise.
12500 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12501 instead of SYMBOL_FLAG_IN_BLOCK.
12502 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12503 SYMBOL_REF_IN_BLOCK_P.
12504 (assemble_variable): Likewise.
12505 (output_constant_def_contents): Likewise.
12506 (output_constant_pool): Likewise.
12507 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12508 instead of SYMBOL_FLAG_IN_BLOCK.
12509 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12510 SYMBOL_REF_IN_BLOCK_P.
12511 (SYMBOL_REF_BLOCK): Likewise.
12512 (SYMBOL_REF_OFFSET): Likewise.
12513 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12514 SYMBOL_REF_IN_BLOCK_P.
12515 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12516 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12517 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12518 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12520 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12522 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12524 2006-03-02 Roger Sayle <roger@eyesopen.com>
12526 * simplify-rtx.c (simplify_unary_operation): When simplifying
12527 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12528 that we perform the right shift in the appropriate mode, and
12529 then extend or truncate the result to requested mode.
12531 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12533 * gengtype.c (main): Handle double_int type.
12534 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12535 * double-int.c: New file.
12536 * double-int.h: New file.
12537 * system.h: Include doubleint.h.
12538 * Makefile.in (SYSTEM_H): Include double-int.h.
12539 (double-int.o): Add.
12541 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12544 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12547 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12549 * tree-vrp.c (remove_range_assertions): Do not update statements
12552 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12554 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12556 * gcse.c (rest_of_handle_gcse): Ditto.
12557 * except.c (gate_handle_eh): Ditto.
12558 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12559 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12561 2006-03-02 Eric Christopher <echristo@apple.com>
12563 * config/i386/i386.c (machopic_output_stub): Add indirection to
12566 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12570 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12572 Sun Niagara specific optimizations.
12573 * config.gcc: Recognize niagara as target.
12574 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12575 (TARGET_CPU_niagara): Define.
12576 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12577 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12578 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12579 (ASM_CPU_SPEC): Likewise.
12580 (PROCESSOR_NIAGARA): New enum entry.
12581 (REGISTER_MOVE_COST): Handle Niagara.
12582 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12583 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12584 (sparc_override_options): Recognize "niagara", set appropriate
12585 default MASK_* values for it, and align functions to 32-bytes
12586 by default just like ULTRASPARC/ULTRASPARC3.
12587 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12588 (sparc64_initialize_trampoline): Likewise.
12589 (sparc_use_sched_lookahead): Use zero for niagara.
12590 (sparc_issue_rate): Use one for niagara.
12591 * config/sparc/niagara.md: New file.
12592 * config/sparc/sparc.md: Include it.
12593 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12594 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12595 when default cpu is niagara.
12596 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12597 (ASM_CPU_SPEC): Likewise.
12598 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12599 when default cpu is niagara.
12600 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12601 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12602 just like v9/ultrasparc/ultrasparc3.
12603 * doc/invoke.texi: Add documentation for "niagara" and improve
12604 existing documentation for ultrasparc variants.
12606 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12608 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12610 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12612 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12613 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12614 and say that only one is needed.
12615 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12616 * target.h (have_switchable_bss_sections): New hook.
12617 * explow.c (use_anchored_address): Check that the symbol is in a block.
12618 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12619 (bss_noswitch_section): New variables.
12620 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12621 (get_noswitch_section): New function.
12622 (get_block_for_section): Allow SECT to be null.
12623 (unlikely_text_section_p): Use SECTION_STYLE.
12624 (bss_initializer_p): New function.
12625 (get_variable_section): Move earlier in file. Take a new argument,
12626 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12627 Return one of the new *_sections in such cases.
12628 (get_block_for_decl): New function, extracting some logic from
12629 use_blocks_for_decl_p.
12630 (change_symbol_section): Remove in favor of...
12631 (change_symbol_block): ...this new function.
12632 (use_blocks_for_decl_p): Remove checks now performed by
12633 get_block_for_decl.
12634 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12635 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12636 (emit_local, emit_bss, emit_common): ...these new functions.
12637 Return true if the alignment was honored.
12638 (emit_tls_common): New function.
12639 (asm_emit_uninitialised): Delete.
12640 (assemble_variable_noswitch): New function, split out from...
12641 (assemble_variable): ...here. Don't make decisions about common
12642 variables here. Globalize all public decls that go into non-common
12643 sections. Check whether SYMBOL_REF_BLOCK is null.
12644 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12645 (output_constant_pool): Likewise.
12646 (init_varasm_once): Initialize the new section variables.
12647 (have_global_bss_p): New function.
12648 (categorize_decl_for_section): Use bss_initializer_p.
12649 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12650 (place_block_symbol): Assert that the symbol must be in a block.
12651 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12652 (TARGET_INITIALIZER): Include it.
12653 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12654 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12655 (SECTION_MACH_DEP): Bump by two.
12656 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12657 (unnamed_section): Mention SECTION_UNNAMED in comment.
12658 (named_section): Likewise SECTION_NAMED.
12659 (noswitch_section_callback): New type.
12660 (noswitch_section): New structure.
12661 (section): Add a noswitch_section alternative.
12662 (SECTION_STYLE): New macro.
12663 (tls_comm_section, comm_section, lcomm_section): Declare.
12664 (bss_noswitch_section, have_global_bss_p): Declare.
12665 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12666 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12668 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12669 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12672 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12674 * tree-vrp.c (execute_vrp): Return value.
12675 * regrename.c (rest_of_handle_regrename): Ditto.
12676 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12677 * tree-complex.c (tree_lower_complex): Ditto.
12678 (tree_lower_complex_O0): Ditto.
12679 * tracer.c (rest_of_handle_tracer): Ditto.
12680 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12681 * postreload.c (rest_of_handle_postreload): Ditto.
12682 * tree-tailcall.c (execute_tail_recursion): Ditto.
12683 (execute_tail_calls): Ditto.
12684 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12685 * tree.h (init_function_for_compilation): Ditto.
12686 * ipa-cp.c (ipcp_driver): Ditto.
12687 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12688 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12689 * final.c (compute_alignments): Ditto.
12690 (rest_of_handle_final): Ditto.
12691 (rest_of_handle_shorten_branches): Ditto.
12692 (rest_of_clean_state): Ditto.
12693 * omp-low.c (execute_expand_omp): Ditto.
12694 (execute_lower_omp): Ditto.
12695 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12696 * ipa-reference.c (static_execute): Ditto.
12697 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12698 * reorg.c (rest_of_handle_delay_slots): Ditto.
12699 (rest_of_handle_machine_reorg): Ditto.
12700 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12701 * flow.c (recompute_reg_usage): Ditto.
12702 (rest_of_handle_remove_death_notes): Ditto.
12703 (rest_of_handle_life): Ditto.
12704 (rest_of_handle_flow2): Ditto.
12705 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12706 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12707 (do_ssa_store_ccp): Ditto.
12708 (execute_fold_all_builtins): Ditto.
12709 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12710 * modulo-sched.c (rest_of_handle_sms): Ditto.
12711 * ipa-pure-const.c (static_execute): Ditto.
12712 * cse.c (rest_of_handle_cse): Ditto.
12713 (rest_of_handle_cse2): Ditto.
12714 * web.c (rest_of_handle_web): Ditto.
12715 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12716 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12717 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12718 * tree-nrv.c (tree_nrv): Ditto.
12719 (execute_return_slot_opt): Ditto.
12720 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12721 (create_structure_vars): Ditto.
12722 * loop-init.c (rtl_loop_init): Ditto.
12723 (rtl_loop_done): Ditto.
12724 (rtl_move_loop_invariants): Ditto.
12725 (rtl_unswitch): Ditto.
12726 (rtl_unroll_and_peel_loops): Ditto.
12727 (rtl_doloop): Ditto.
12728 * gimple-low.c (lower_function_body): Ditto.
12729 (mark_used_blocks): Ditto.
12730 * tree-ssa-sink.c (execute_sink_code): Ditto.
12731 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12732 (cgraph_early_inlining): Ditto.
12733 * global.c (rest_of_handle_global_alloc): Ditto.
12734 * jump.c (cleanup_barriers): Ditto.
12735 (purge_line_number_notes): Ditto.
12736 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12737 (rest_of_handle_if_after_reload): Ditto.
12738 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12739 (tree_ssa_loop_im): Ditto.
12740 (tree_ssa_loop_unswitch): Ditto.
12741 (tree_vectorize): Ditto.
12742 (tree_linear_transform): Ditto.
12743 (tree_ssa_loop_ivcanon): Ditto.
12744 (tree_ssa_empty_loop): Ditto.
12745 (tree_ssa_loop_bounds): Ditto.
12746 (tree_complete_unroll): Ditto.
12747 (tree_ssa_loop_prefetch): Ditto.
12748 (tree_ssa_loop_ivopts): Ditto.
12749 (tree_ssa_loop_done): Ditto.
12750 * predict.c (tree_estimate_probability): Ditto.
12751 * recog.c (split_all_insns_noflow): Ditto.
12752 (rest_of_handle_peephole2): Ditto.
12753 (rest_of_handle_split_all_insns): Ditto.
12754 * tree-eh.c (lower_eh_constructs): Ditto.
12755 * regmove.c (rest_of_handle_regmove): Ditto.
12756 (rest_of_handle_stack_adjustments): Ditto.
12757 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12758 * function.c (instantiate_virtual_regs): Ditto.
12759 (init_function_for_compilation): Ditto.
12760 (rest_of_handle_check_leaf_regs): Ditto.
12761 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12762 (rest_of_handle_gcse): Ditto.
12763 * ipa-type-escape.c (type_escape_execute): Ditto.
12764 * alias.c (rest_of_handle_cfg): Ditto.
12765 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12766 * profile.c (rest_of_handle_branch_prob): Ditto.
12767 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12768 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12769 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12770 * tree-dfa.c (find_referenced_vars): Ditto.
12771 * except.c (set_nothrow_function_flags): Ditto.
12772 (convert_to_eh_region_ranges): Ditto.
12773 (rest_of_handle_eh): Ditto.
12774 * emit-rtl.c (unshare_all_rtl): Ditto.
12775 (remove_unnecessary_notes): Ditto.
12776 * except.h (set_nothrow_function_flags): Ditto.
12777 (convert_to_eh_region_ranges): Ditto.
12778 * cfgexpand.c (tree_expand_cfg): Ditto.
12779 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12780 * tree-ssa-pre.c (do_pre): Ditto.
12781 (execute_fre): Ditto.
12782 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12783 (rest_of_handle_jump2): Ditto.
12784 * tree-sra.c (tree_sra): Ditto.
12785 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12786 (execute_mudflap_function_decls): Ditto.
12787 * tree-ssa-copy.c (do_copy_prop): Ditto.
12788 (do_store_copy_prop): Ditto.
12789 * ipa-prop.h (ipcp_driver): Ditto.
12790 * cfglayout.c (insn_locators_initialize): Ditto.
12791 * tree-ssa-forwprop.c
12792 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12793 * cfglayout.h (insn_locators_initialize): Ditto.
12794 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12795 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12796 (execute_late_warn_uninitialized): Ditto.
12797 * rtl.h (cleanup_barriers): Ditto.
12798 (split_all_insns_noflow): Ditto.
12799 (purge_line_number_notes): Ditto.
12800 (unshare_all_rtl): Ditto.
12801 (remove_unnecessary_notes): Ditto.
12802 (recompute_reg_usage): Ditto.
12803 (variable_tracking_main): Ditto.
12804 * integrate.c (emit_initial_value_sets): Ditto.
12805 * integrate.h (emit_initial_value_sets): Ditto.
12806 * tree-optimize.c (execute_free_datastructures): Ditto
12807 (execute_free_cfg_annotations): Ditto.
12808 (execute_fixup_cfg): Ditto.
12809 (execute_cleanup_cfg_pre_ipa): Ditto.
12810 (execute_cleanup_cfg_post_optimizing): Ditto.
12811 (execute_init_datastructures): Ditto.
12812 * tree-object-size.c (compute_object_sizes): Ditto.
12813 * combine.c (rest_of_handle_combine): Ditto.
12814 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12815 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12816 (rest_of_handle_reorder_blocks): Ditto.
12817 (rest_of_handle_partition_blocks): Ditto.
12818 * var-tracking.c (variable_tracking_main): Ditto.
12819 * tree-profile.c (tree_profiling): Ditto.
12820 * tree-vect-generic.c (expand_vector_operations): Ditto.
12821 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12822 * sched-rgn.c (rest_of_handle_sched): Ditto.
12823 (rest_of_handle_sched2): Ditto.
12824 * basic-block.h (free_bb_insn): Ditto.
12825 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12826 * tree-cfg.c (execute_build_cfg): Ditto.
12827 (remove_useless_stmts): Ditto.
12828 (split_critical_edges): Ditto.
12829 (execute_warn_function_return): Ditto.
12830 (execute_warn_function_noreturn): Ditto.
12831 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12832 * cfgrtl.c (free_bb_for_insn): Ditto.
12833 * passes.c (execute_one_pass): Run additional
12834 todos returned by execute function.
12835 * tree-pass.h (struct tree_opt_pass): Make execute
12838 2006-03-02 Richard Guenther <rguenther@suse.de>
12840 * tree-ssa-alias.c (find_used_portions): Consider taking
12841 the address as making the variable not write-only.
12843 2006-03-02 Nick Clifton <nickc@redhat.com>
12845 * config.gcc (default_use_cxa_atexit): Extend the description of
12846 this configure variable. Set its default value to "yes" for
12847 Linux, NetBSD and ELF targets on the assumption that they will
12848 use C libraries with the __cxa_atexit function.
12850 2006-03-02 Ben Elliston <bje@au.ibm.com>
12852 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12853 parameter as unused to suppress a build warning.
12855 2006-03-02 Ben Elliston <bje@au.ibm.com>
12857 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12860 2006-03-01 Roger Sayle <roger@eyesopen.com>
12863 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12864 declared name, the weak reference name, and the typeof name.
12865 (__gthrw): Avoid expanding the declared name suffix.
12866 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12868 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12870 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12872 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12873 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12874 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12875 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12876 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12877 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12878 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12879 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12880 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12881 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12882 (DW_END_default, DW_END_big, DW_END_little): New.
12883 (DW_END_lo_user, DW_END_hi_user): Define.
12884 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12885 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12886 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12889 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12891 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12893 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12895 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12897 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12899 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12900 to 'symbol_mem_tag'.
12902 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12905 2006-03-01 Roger Sayle <roger@eyesopen.com>
12907 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12909 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12912 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12913 MACHO_DYNAMIC_NO_PIC_P.
12914 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12916 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12919 * config/darwin-protos.h (darwin_asm_output_anchor):
12921 * config/darwin-sections.def (cstring_section):
12922 Add SECTION_MERGE to the flags.
12923 (literal4_section): Likewise.
12924 (literal8_section): Likewise.
12925 (objc_selector_refs_section): Likewise.
12926 (objc_cls_refs_section): Likewise.
12927 * config/darwin.c (darwin_asm_output_anchor): New
12929 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12931 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12933 Fix PR tree-optimization/26443
12934 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12935 to todo and PROP_tmt_usage to properties_destroyed.
12936 * tree-ssa-ccp.c (pass_ccp): Ditto.
12937 (pass_store_ccp): Ditto.
12938 * tree-ssa-dom.c (pass_dominator): Ditto.
12940 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12942 * tree-ssa-operands.c: Cleanup whitespace.
12943 (get_asm_expr_operands): Move before first invocation.
12944 (get_indirect_ref_operands): Likewise.
12945 (get_tmr_operands): Likewise.
12946 (get_call_expr_operands): Likewise.
12947 (append_def): Likewise.
12948 (append_use): Likewise.
12949 (append_v_may_def): Likewise.
12950 (append_v_must_def): Likewise.
12951 (add_call_clobber_ops): Likewise.
12952 (add_call_read_ops): Likewise.
12953 (add_stmt_operand): Likewise.
12954 (add_virtual_operand): Likewise.
12955 (build_ssa_operands): Likewise.
12957 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12959 PR middle-end/26022
12961 PR middle-end/24437
12962 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12963 with a call expr to ...
12964 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12966 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12968 * tree-vrp.c (extract_range_from_assert): Remove special
12969 handling for types with super-types.
12971 2006-03-01 Ben Elliston <bje@au.ibm.com>
12973 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12974 and powerpc64-*-linux* configurations.
12975 * config/t-dfprules: New file.
12977 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12978 Compile dfp-bit.c from the source directory using -DWIDTH and
12979 $DFP_CFLAGS to control the compilation of that file, rather than
12980 generating width-specific versions in the build directory.
12981 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12982 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12984 2006-02-28 Zack Weinberg <zackw@panix.com>
12986 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12989 2006-02-28 Eric Christopher <echristo@apple.com>
12991 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12992 Set up IN_LIBGCC definition of TARGET_64BIT.
12993 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12995 2006-02-28 Roger Sayle <roger@eyesopen.com>
12997 PR middle-end/14752
12998 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12999 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13000 cases via the construction of "expr != 0".
13002 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13004 * alias.c (alias_invariant, alias_invariant_size): Remove.
13005 (record_base_value): Remove.
13006 (memrefs_conflict_p): Don't look at alias_invariant.
13007 (end_alias_analysis): Don't free it.
13008 * alias.h (record_base_value): Remove prototype.
13010 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13011 Adam Nemet <anemet@caviumnetworks.com>
13013 * rtl.h (truncated_to_mode): Declare it.
13014 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13015 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13016 (RTL_HOOKS_INITIALIZER): Include it.
13017 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13018 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13019 reg_truncated_to_mode.
13020 * rtlanal.c (truncated_to_mode): Define it.
13021 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13023 2006-02-28 Jeff Law <law@redhat.com>
13025 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13026 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13027 the range allowed by TYPE_PRECISION.
13029 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13031 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13033 PR tree-optimization/26419
13034 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13037 2006-02-27 Zack Weinberg <zackw@panix.com>
13039 * doc/md.texi: Fix typo in previous change.
13041 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13045 2006-02-27 Zack Weinberg <zackw@panix.com>
13047 * rtl.def (define_constraint, define_register_constraint)
13048 (define_memory_constraint, define_address_constraint): New MD forms.
13049 * gensupport.c (process_rtx): Put define_constraint etc on the
13051 * genpreds.c (process_define_predicate): Adjust comment. Validate
13052 the name, and call validate_exp to validate the expression.
13053 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13054 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13055 all callers changed.
13056 (validate_exp, needs_variable, struct constraint_data)
13057 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13058 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13059 (const_dbl_constraints, constraint_max_namelen)
13060 (have_register_constraints, have_memory_constraints)
13061 (have_address_constraints, have_address_constraints)
13062 (have_extra_constraints, have_const_int_constraints)
13063 (have_const_dbl_constraints, mangle, add_constraint)
13064 (process_define_constraint, process_define_register_constraint)
13065 (write_enum_constraint_num, write_lookup_constraint)
13066 (write_insn_constraint_len, write_regclass_for_constraint)
13067 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13068 (write_insn_extra_memory_constraint)
13069 (write_insn_extra_address_constraint)
13070 (write_satisfies_constraint_fns): New.
13071 (write_tm_preds_h): If we have new-style constraint definitions,
13072 prototype the functions generated from them, and define the
13073 old constraint interface (still used by generic code) in terms of
13075 (write_insn_preds_c): If we have new-style constraint definitions,
13076 generate all relevant functions from those definitions.
13077 (main): Handle define_constraint etc.
13078 * genoutput.c (struct constraint_data, indep_constraints)
13079 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13080 (mdep_constraint_len): New data structures and functions, defined
13081 #ifdef USE_MD_CONSTRAINTS.
13082 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13083 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13084 use new logic to validate operand constraints against constraint
13086 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13088 * defaults.h: If none of the old-style constraint macros are
13089 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13090 old-style macros; and poison REG_CLASS_FROM_LETTER,
13091 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13093 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13094 * doc/md.texi: Document new constraint-definition mechanism and the
13095 C interface it provides. Remove references to old mechanism
13096 elsewhere in the document.
13097 (Machine Constraints): Use pathnames relative to gcc directory,
13098 i.e. config/ARCH/FILE. Change i386 section to refer to
13099 config/i386/predicates.md; update that section to match docstrings.
13100 * doc/tm.texi: Move all documentation of the old constraint-
13101 definition macros to their own section, clearly mark as obsolete.
13103 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13104 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13106 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13107 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13108 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13109 constraint strings.
13110 (splits and peepholes): Use satisfies_constraint_*.
13111 * config/i386/i386.c (memory_address_length)
13112 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13114 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13116 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13117 scalar operation to be put back into the loop.
13119 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13122 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13123 (extract_cie_info): Handle S flag in augmentation string.
13124 (execute_cfa_program): If context->signal_frame, execute also
13125 fs->pc == context->ra instructions.
13126 (uw_frame_state_for): If context->signal_frame, don't subtract one
13127 from context->ra to find FDE.
13128 (uw_update_context_1): Set context->signal_frame to
13130 (_Unwind_GetIPInfo): New function.
13131 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13132 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13134 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13135 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13136 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13137 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13138 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13139 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13140 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13141 x86_64_fallback_frame_state): Set fs->signal_frame.
13142 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13143 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13144 (frob_update_context): Likewise. Workaround missing S flag in
13145 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13146 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13147 Remove the psw_addr + 1 hack.
13149 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13151 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13152 with aggregates here.
13153 (find_func_aliases): Remove code for &<aggregate> from here.
13155 2006-02-26 Roger Sayle <roger@eyesopen.com>
13157 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13158 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13159 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13160 as (X & C) ne/eq 0.
13162 2006-02-26 Roger Sayle <roger@eyesopen.com>
13164 PR middle-end/19983
13165 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13167 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13169 * opts.c (decode_options): Do not handle flag_strength_reduce.
13170 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13171 and OPT_fstrength_reduce.
13172 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13173 flag_prefetch_loop_arrays for being nonzero.
13174 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13176 (fprefetch-loop-arrays-rtl): Removed.
13177 (flag_prefetch_loop_arrays): Do not specify the value.
13179 * doc/passes.texi: Update documentation of loop optimizer
13181 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13182 -frerun-loop-opt): Remove.
13184 2006-02-26 Richard Guenther <rguenther@suse.de>
13186 PR tree-optimization/26421
13187 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13188 in function calls that are ADDR_EXPRs as using the whole structure.
13190 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13192 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13193 * tree-pass.h (pass_loop_optimize): Remove.
13194 * passes.c (pass_loop_optimize): Never run it.
13195 * toplev.c (backend_init): Don't call init_loop.
13196 * opts.c (flag_loop_optimize_set): Remove.
13197 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13198 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13199 the old RTL loop optimizer when profiling enabled.
13200 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13201 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13202 pre-headers for the sake of the old RTL loop optimizer.
13203 * Makefile.in: Remove all references to loop.o.
13205 * doc/invoke.texi: Remove all references to -floop-optimize
13206 and -frerun-loop-opt.
13208 2006-02-26 Zack Weinberg <zackw@panix.com>
13210 * doc/md.texi (Machine Constraints): Refer to all files with paths
13211 relative to gcc directory (i.e. config/CPU/file). Add missing
13212 @table @code ... @end table to M32C subsection.
13214 2006-02-26 Roger Sayle <roger@eyesopen.com>
13216 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13218 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13220 2006-02-26 Roger Sayle <roger@eyesopen.com>
13221 James A. Morrison <phython@gcc.gnu.org>
13223 PR middle-end/21137
13224 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13225 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13226 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13227 signedness of the shift operation.
13229 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13231 PR tree-optimization/26359
13232 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13234 2006-02-25 Roger Sayle <roger@eyesopen.com>
13236 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13237 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13238 as X == 0, and some symmetry related transformations.
13239 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13241 2006-02-25 Roger Sayle <roger@eyesopen.com>
13243 PR middle-end/23673
13244 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13245 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13246 symmetry related transformations. Fold (X^C1) == C2 as
13249 2006-02-25 Juergen Weigert <jw@suse.de>
13250 Richard Guenther <rguenther@suse.de>
13252 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13254 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13256 * combine.c (gen_lowpart_or_truncate): Call
13257 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13259 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13261 * doc/invoke.texi: Move -fopenmp description to "Options for
13263 Remove reference to -lgomp.
13265 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13267 * doc/install.texi: Require GNU tar version 1.14.
13269 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13271 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13272 * doc/invoke.texi (C++ Dialect Options): Document
13273 -fno-use-cxa-get-exception-ptr.
13274 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13275 * configure: Regenerate.
13276 * c.opt (fuse-cxa-get-exception-ptr): New.
13277 * c-opts.c (c_common_handle_option): Handle
13278 OPT_fuse_cxa_get_exception_ptr.
13279 * c-common.c (flag_use_cxa_atexit): Update documentation.
13280 (flag_use_cxa_get_exception_ptr): New.
13281 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13282 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13284 (C_COMMON_OVERRIDE_OPTIONS): New.
13286 2006-02-24 Roger Sayle <roger@eyesopen.com>
13288 PR middle-end/24952
13289 * combine.c (try_combine): Explicitly check whether GET_CODE is
13290 a SET or a CLOBBER, instead on checking that it isn't a USE.
13292 2006-02-24 Roger Sayle <roger@eyesopen.com>
13294 * fold-const.c (fold_comparison): New subroutine of fold_binary
13295 containing transformations common to both the equality and
13296 ordering relational operators, factored out of fold_binary.
13297 (fold_binary): Separate out the equality operators (EQ_EXPR
13298 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13299 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13300 transformations common to both.
13301 (fold_div_compare): Fix latent bugs in the previously unreachable
13302 LT_EXPR and GE_EXPR cases.
13304 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13306 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13307 decl libname for clog to __clog on AIX.
13309 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13311 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13314 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13315 output traceback table for thunks. Localise rs6000_stack_info call.
13317 2006-02-23 Roger Sayle <roger@eyesopen.com>
13318 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13320 * gthr-posix.h (__gthrw): Fix typo in comment.
13322 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13324 * doc/cpp.texi (Character sets): Document that we do support
13325 input files to be in any character set.
13327 2006-02-23 Jeff Law <law@redhat.com>
13329 * tree.h (PHI_ARG_NONZERO): Remove.
13330 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13331 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13332 node to the new node.
13334 PR tree-optimization/26425
13335 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13336 min/max, then assume its varying.
13338 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13340 PR rtl-optimization/26316
13341 * rtlanal.c (enum may_trap_p_flags): New.
13342 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13343 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13344 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13345 (may_trap_after_code_motion_p): New function.
13346 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13347 (find_invariant_insn): Use may_trap_after_code_motion_p.
13348 * rtl.h (may_trap_after_code_motion_p): Declare.
13350 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13352 * emit-rtl.c (immed_double_const): Cleanup.
13354 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13356 Fix PR tree-optimization/26376
13357 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13360 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13362 PR middle-end/26412
13363 * gimplify.c (omp_add_variable): Guard variable size decl test with
13364 DECL_SIZE (decl) check.
13366 2006-02-23 Richard Guenther <rguenther@suse.de>
13368 PR middle-end/26439
13369 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13370 like aggregate types.
13372 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13374 * configure.ac: Add --with{,out}-long-double-128 configure option.
13375 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13376 * configure: Rebuilt.
13377 * config.in: Rebuilt.
13378 * doc/install.texi (Options specification): Document
13379 --with-long-double-128.
13381 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13382 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13383 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13384 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13386 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13388 * config/s390/s390.c (override_options): Handle
13389 TARGET_DEFAULT_LONG_DOUBLE_128.
13391 * config/alpha/alpha.c (override_options): Handle
13392 TARGET_DEFAULT_LONG_DOUBLE_128.
13394 * config/sparc/sparc.c (sparc_override_options): Handle
13395 TARGET_DEFAULT_LONG_DOUBLE_128.
13397 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13399 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13400 (real-install-headers-tar, real-install-headers-cpio)
13401 (real-install-headers-cp): New targets.
13403 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13405 * tree.h (variable_section): Delete.
13406 * varasm.c (variable_section): Delete.
13408 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13410 * install.texi: Add notes on install.texi2html.
13411 (Building in parallel): Do not use footnotes.
13413 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13416 * doc/install.texi (Configuration): Document --disable-libgomp.
13418 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13420 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13422 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13424 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13425 (vec_extractv2df_0_sse): New.
13427 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13429 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13430 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13431 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13432 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13433 to the result of the expression.
13434 (def_cfa_1): Adjust.
13435 (frame_pointer_cfa_offset): Rename to...
13436 (frame_pointer_fb_offset): ... this. Adjust all uses.
13437 (convert_cfa_to_loc_list): Rename to...
13438 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13439 Pass it on to build_cfa_loc.
13440 (compute_frame_pointer_to_cfa_displacement): Rename to...
13441 (compute_frame_pointer_to_fb_displacement): ... this. New
13442 offset parameter. Use it in computation.
13443 (gen_subprogram_die): Compute cfa_fb_offset with the new
13444 macro, and use it to compute the fb loc list and the
13447 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13449 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13450 replaced with register_operand.
13451 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13452 non-DREG is expensive.
13453 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13454 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13457 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13459 * doc/install.texi2html: Use set -e.
13461 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13463 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13464 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13465 * doc/invoke.texi (-fshared-data): Delete.
13466 * common.opt (fshared-data): Delete.
13467 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13468 (assemble_static_space): Remove #if 0 code.
13469 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13470 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13471 * config/cris/cris.h: Remove FIXME.
13473 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13475 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13478 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13480 PR middle-end/26379
13481 * combine.c (simplify_shift_const_1): Disable nested shifts
13482 optimization for vector shifts.
13484 2006-02-20 Roger Sayle <roger@eyesopen.com>
13486 PR tree-optimization/26361
13487 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13488 of unsigned integer types.
13490 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13492 * tree-chrec.c (eq_evolutions_p): New.
13493 * tree-chrec.h (eq_evolutions_p): Declared.
13494 * tree-data-ref.c: Fix formatting.
13495 (datadep_stats, dependence_stats): New.
13497 (print_direction_vector): New.
13498 (dump_data_dependence_relation): Use print_direction_vector.
13499 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13500 (compute_subscript_distance): Static.
13501 (initialize_data_dependence_relation): Static. Get the number
13502 of loops surrounding the references from the callers, and initialize
13503 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13504 base_object_differ_p analyzers.
13505 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13506 compute_overlap_steps_for_affine_1_2,
13507 analyze_subscript_affine_affine): Count the classified dependences.
13508 Print a message when a test failed.
13509 (can_use_analyze_subscript_affine_affine): New.
13510 (analyze_siv_subscript): Compute the data dependences on symbolic
13511 scevs that verify can_use_analyze_subscript_affine_affine.
13512 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13513 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13514 Handle symbolic scevs.
13515 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13517 (subscript_dependence_tester): Moved...
13518 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13519 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13520 DDR_SIZE_VECT instead of getting it in parameter.
13521 (subscript_dependence_tester): ... here. Take as a parameter
13522 loop_nest_depth. Call build_classic_dist_vector and
13523 build_classic_dir_vector.
13524 (compute_affine_dependence): Update subscript_dependence_tester
13525 parameters. Update datadep_stats counters. Call
13526 compute_subscript_distance.
13527 (compute_self_dependence): Save the dist and dir vectors. Call
13528 compute_subscript_distance.
13529 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13530 (compute_all_dependences): Reorder parameters as they were before
13531 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13532 compute_subscript_distance. Update the use of
13533 compute_affine_dependence and initialize_data_dependence_relation.
13534 (find_data_references_in_loop): Handle COMPONENT_REF.
13535 (compute_data_dependences_for_loop): Initialize dependence_stats.
13536 Don't call build_classic_dist_vector and build_classic_dir_vector.
13537 Update the parameters of initialize_data_dependence_relation and
13538 compute_all_dependences. Print the statistics from datadep_stats.
13539 (analyze_all_data_dependences): Static. Not used until the pass for
13540 checking the data dependences is contributed.
13541 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13542 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13543 (initialize_data_dependence_relation, compute_affine_dependence,
13544 analyze_all_data_dependences, compute_subscript_distance): Removed.
13545 (print_direction_vector): New.
13546 * lambda.h (gcd): ... here.
13547 (lambda_vector_gcd): Moved here from gcd_vector.
13548 * lambda-code.c (gcd, gcd_vector): Removed.
13549 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13550 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13552 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13554 * ipa-type-escape.c: Tidy some comments and white space.
13555 * tree-ssa-operands.c: Likewise.
13557 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13560 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13561 (dump_decl_name): Do not walk the decl tree chains.
13562 * tree-pass.h (TDF_CHAIN): Remove.
13564 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13566 * Makefile.in (C): Remove
13568 (.PHONY): Remove C and PROTO
13570 2006-02-20 Roger Sayle <roger@eyesopen.com>
13572 PR middle-end/26236
13573 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13574 deprecated CHAR_TYPE tree code.
13576 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13578 * configure.ac (target_list): Add install-info, dvi, html.
13579 * configure: Regenerate.
13581 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13582 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13583 treelang/Make-lang.in: Do not use double-colon rules.
13585 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13587 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13588 (TMT_USED_ALONE): New macro.
13589 * tree-pass.h (PROP_tmt_usage): New property.
13590 (TODO_update_tmt_usage): New todo.
13591 * tree-ssa-alias.c (updating_used_alone): New variable.
13592 (recalculate_used_alone): New function.
13593 (compute_may_aliases): Set updating_used_alone, call
13594 recalculate_used_alone.
13595 * tree-sra.c (pass_sra): Note that this pass destroys
13596 PROP_tmt_usage, and add TODO_update_tmt_usage.
13597 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13598 * tree-flow.h (updating_used_alone): Prototype.
13599 (recalculate_used_alone): Ditto.
13600 * passes.c (execute_todo): Add code to set updating_used_alone,
13601 and call recalculate.
13602 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13603 for clobber if used alone, and add assert to verify used_alone
13606 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13608 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13609 for non tls symbols added.
13610 (legitimize_address): Do nothing for PLUS expressions if one of the
13611 addends is a tls symbol reference.
13613 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13617 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13619 * Makefile.in (BOOTSTRAPPING): New.
13620 (quickstrap): New definition if BOOTSTRAPPING=yes.
13622 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13623 * configure.ac: Substitute all_selected_languages with the languages
13624 that were configured. For all the other variables except
13625 lang_specs_files, include all the languages in the tree.
13626 * configure: Regenerate.
13628 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13629 if there is one. Run the commands to run fixincludes in the same
13632 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13633 * doc/install.texi: Document exact conventions for searching target tools.
13634 Document --with-build-time-tools. Document toplevel bootstrap. Document
13635 something more about building an Ada cross-compiler. Don't list GNU Make
13636 requirements which affect all platforms.
13638 2006-02-19 Roger Sayle <roger@eyesopen.com>
13640 PR middle-end/19543
13641 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13642 only equivalent if the have both the same mode and precision.
13644 2006-02-20 Ben Elliston <bje@au.ibm.com>
13646 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13648 2006-02-19 Roger Sayle <roger@eyesopen.com>
13649 Steven Bosscher <stevenb.gcc@gmail.com>
13651 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13652 constant pool references to identify stack mode constants.
13653 * rtlanal.c (constant_pool_constant_p): New predicate to check
13654 whether operand is a floating point constant in the pool.
13655 * rtl.h (constant_pool_constant_p): Prototype here.
13656 * loop.c (scan_loop): Avoid hoisting constants from the constant
13657 pool on STACK_REGS targets.
13658 (load_mems): Likewise.
13659 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13660 loads into x87 registers expensive in terms of register pressure.
13662 2006-02-19 Roger Sayle <roger@eyesopen.com>
13664 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13665 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13667 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13669 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13670 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13672 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13674 * doc/invoke.texi: Document -fipa-pta.
13675 * common.opt: Add ipa-pta option.
13676 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13677 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13678 (do_ds_constraint): Ditto.
13679 (get_constraint_for): Only add to referenced_vars if
13680 referenced_vars exists.
13681 (insert_into_field_list): Rewrite to do this unsorted.
13682 (insert_into_field_list_sorted): Rename old insert_into_field_list
13684 (create_function_info_for): Use insert_into_field_list_sorted.
13685 (create_variable_info_for): Rewrite so it uses unsorted version,
13686 since the field list is sorted.
13687 (intra_create_variable_infos): Only add to referenced_vars if
13688 referenced_vars exists.
13689 (ipa_pta_execute): Init heapvars, and delete when done.
13690 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13692 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13694 * doc/install.texi: Add missing `@samp'.
13696 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13698 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13701 2006-02-18 Mark Wielaard <mark@klomp.org>
13703 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13704 who added new 4.1 features, bug fixes and integration support.
13706 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13709 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13710 MEM for ABI_V4 pic.
13712 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13714 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13715 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13716 (copy_insn_1): Likewise. Don't copy each field individually.
13718 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13720 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13721 * rtl.c (rtx_size): Rename variable to...
13722 (rtx_code_size): ...this.
13723 (rtx_size): New function.
13724 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13725 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13727 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13728 * rtl.h (rtx_code_size): New variable.
13729 (rtx_size): Change from a variable to a function.
13730 (RTX_SIZE): Rename to...
13731 (RTX_CODE_SIZE): ...this.
13734 PR tree-optimization/17106
13735 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13736 (Anchored Addresses): New section.
13737 * doc/invoke.texi (-fsection-anchors): Document.
13738 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13739 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13740 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13741 * hooks.c (hook_bool_mode_rtx_false): New function.
13742 * hooks.h (hook_bool_mode_rtx_false): Declare.
13743 * gengtype.c (create_optional_field): New function.
13744 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13745 SYMBOL_REF_IN_BLOCK_P is true.
13746 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13747 (min_anchor_offset, max_anchor_offset): Likewise.
13748 (use_anchors_for_symbol_p): New hook.
13749 * toplev.c (compile_file): Call output_object_blocks.
13750 (target_supports_section_anchors_p): New function.
13751 (process_options): Check that -fsection-anchors is only used on
13752 targets that support it and when -funit-at-a-time is in effect.
13753 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13754 if the decl doesn't have one.
13755 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13756 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13757 of force_const_mem through use_anchored_address.
13758 (expand_expr_constant): New function.
13759 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13760 calling expand_expr for INDIRECT_REF.
13761 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13762 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13763 * expr.h (use_anchored_address): Declare.
13764 * loop-unroll.c: Don't declare rtx vectors here.
13765 * explow.c: Include output.h.
13766 (validize_mem): Call use_anchored_address.
13767 (use_anchored_address): New function.
13768 * common.opt (-fsection-anchors): New switch.
13769 * varasm.c (object_block_htab, anchor_labelno): New variables.
13770 (hash_section, object_block_entry_eq, object_block_entry_hash)
13771 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13772 (use_blocks_for_decl_p, change_symbol_section): New functions.
13773 (get_variable_section): New function, split out from assemble_variable.
13774 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13775 use_blocks_for_decl_p say so. Use change_symbol_section if the
13776 symbol has already been created.
13777 (assemble_variable_contents): New function, split out from...
13778 (assemble_variable): ...here. Don't output any code for
13779 block symbols; just pass them to place_block_symbol.
13780 Use get_variable_section and assemble_variable_contents.
13781 (get_constant_alignment, get_constant_section, get_constant_size): New
13782 functions, split from output_constant_def_contents.
13783 (build_constant_desc): Create a block symbol if use_object_blocks_p
13784 says so. Or into SYMBOL_REF_FLAGS.
13785 (assemble_constant_contents): New function, split from...
13786 (output_constant_def_contents): ...here. Don't output any code
13787 for block symbols; just pass them to place_section_symbol.
13788 Use get_constant_section and get_constant_alignment.
13789 (force_const_mem): Create a block symbol if use_object_blocks_p and
13790 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13791 (output_constant_pool_1): Add an explicit alignment argument.
13792 Don't switch sections here.
13793 (output_constant_pool): Adjust call to output_constant_pool_1.
13794 Switch sections here instead. Don't output anything for block symbols;
13795 just pass them to place_block_symbol.
13796 (init_varasm_once): Initialize object_block_htab.
13797 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13798 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13799 (place_block_symbol, get_section_anchor, output_object_block)
13800 (output_object_block_htab, output_object_blocks): New functions.
13801 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13802 (TARGET_ASM_OUT): Include it.
13803 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13804 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13805 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13806 (TARGET_INITIALIZER): Include them.
13807 * rtl.c (rtl_check_failed_block_symbol): New function.
13808 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13809 (block_symbol, object_block): New structures.
13810 (rtx_def): Add a block_symbol field to the union.
13811 (BLOCK_SYMBOL_CHECK): New macro.
13812 (rtl_check_failed_block_symbol): Declare.
13813 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13814 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13815 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13816 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13817 * output.h (output_section_symbols): Declare.
13818 (object_block): Name structure.
13819 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13820 (default_use_anchors_for_symbol_p): Declare.
13821 * Makefile.in (RTL_BASE_H): Add vec.h.
13822 (explow.o): Depend on output.h.
13823 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13824 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13825 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13826 (rs6000_use_blocks_for_constant_p): New function.
13828 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13830 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13832 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13835 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13838 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13840 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13844 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13846 PR middle-end/26334
13847 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13848 instead of DECL_REGISTER.
13850 2006-02-18 Olivier Hainque <hainque@adacore.com>
13853 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13855 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13858 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13859 * opth-gen.awk: Handle Var and InverseMask together.
13860 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13861 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13862 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13863 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13865 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13866 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13867 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13868 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13869 LINUX_DYNAMIC_LINKER): Define.
13870 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13871 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13873 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13874 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13875 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13876 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13877 (TARGET_C99_FUNCTIONS): Don't define.
13878 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13879 GLIBC_DYNAMIC_LINKER.
13880 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13881 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13882 GLIBC_DYNAMIC_LINKER64): Define.
13883 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13884 LINUX_DYNAMIC_LINKER64.
13885 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13886 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13887 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13888 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13889 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13891 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13892 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13893 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13895 and LINUX_DYNAMIC_LINKER32.
13896 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13898 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13900 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13902 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13903 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13904 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13905 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13906 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13907 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13908 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13909 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13910 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13911 LINUX_DYNAMIC_LINKER): Define.
13912 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13913 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13914 GLIBC_DYNAMIC_LINKER64): Define.
13915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13916 LINUX_DYNAMIC_LINKER64.
13917 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13918 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13919 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13920 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13921 LINUX_DYNAMIC_LINKER): Define.
13922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13923 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13924 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13925 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13926 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13927 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13928 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13929 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13930 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13931 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13933 * doc/invoke.texi (-muclibc): Remove caveat about supported
13936 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13938 * doc/cpp.texi (__TIMESTAMP__): Document.
13940 2006-02-17 Roger Sayle <roger@eyesopen.com>
13942 PR middle-end/25600
13943 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13944 C is one less than the width of X (and related transformations).
13945 * simplify-rtx.c (simplify_unary_operation_1): Transform
13946 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13947 depending on STORE_FLAG_VALUE, were C is one less then the
13950 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13952 Fix PR tree-optimization/26341
13953 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13954 about NAME_MEMORY_TAG's.
13956 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13959 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13960 with hardware float support, and software float support. Add fcpy
13961 alternative to hardware patterns. Add alternatives to copy between
13962 general and floating-point registers to the 32-bit pattern.
13963 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13964 secondary reload to load a QI or HI mode constant into a floating
13966 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13967 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13969 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13972 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13974 (load_macho_picbase_di): Likewise.
13976 2006-02-16 Jeff Law <law@redhat.com>
13978 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13979 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13980 (ssa_name_nonzero_p): Likewise.
13981 (get_value_range): Return NULL if VRP is not running.
13982 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13983 VRP routines do not discover a range.
13984 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13985 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13986 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13987 (tree_expr_nonnegative_p): Similarly.
13988 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13989 (restore_nonzero_vars_to_original_value): Remove.
13990 (unsafe_associative_fp_binop): Remove.
13991 (tree_ssa_dominator_optimize): Remove initialization and
13992 finalization of nonzero_vars and nonzero_vars_stack.
13993 (dom_opt_initialize_block): No longer push marker on
13994 nonzero_vars_stack.
13995 (dom_opt_finalize_block): No longer call
13996 restore_nonzero_vars_to_original_value.
13997 (record_equivalences_from_phis): No longer look for
13998 nonzero PHI arguments.
13999 (cprop_into_successor_phis): No longer propagate nonzero
14000 property into PHI arguments. Lose unused argument. Caller
14002 (record_equivalences_from_stmt): No longer record nonzero
14003 values for SSA_NAMEs.
14004 (lookup_avail_expr): No longer use nonzero_vars.
14006 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14007 for sizetype when sizetype is unsigned.
14009 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14011 PR rtl-optimization/25603
14012 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14013 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14014 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14015 with new meaning of SETS.
14017 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14022 * config/linux.opt: New file.
14023 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14024 LINUX_DYNAMIC_LINKER): Define.
14025 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14026 * config.gcc (*-*-linux*): Define extra_options.
14027 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14028 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14029 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14030 GLIBC_DYNAMIC_LINKER.
14031 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14032 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14033 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14035 * doc/invoke.texi (GNU/Linux Options): New section.
14037 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14039 * config/sparc/sparc.md (setjmp): Rewrite.
14040 (setjmp_32): Delete.
14041 (setjmp_64): Likewise.
14043 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14045 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14048 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14050 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14053 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14055 PR rtl-optimization/26296
14056 * Makefile.in (loop-invariant.c): Add except.h dependency.
14057 * loop-invariant.c: Include except.h.
14058 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14060 2005-02-16 Paul Brook <paul@codesourcery.com>
14062 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14065 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14067 PR rtl-optimization/25636
14068 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14069 when deciding whether an insn is an initializing insn.
14071 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14073 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14074 (tree_code_size): Ditto.
14075 * tree.h (struct tree_memory_tag): Remove parent_var.
14076 (struct tree_struct_field_tag): New.
14079 (union tree_node): Add sft member.
14080 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14082 (create_sft): Add size and offset argument, set SFT_OFFSET and
14084 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14085 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14086 * tree-flow-inline.h (get_subvar_at): Update for
14087 SFT_OFFSET/SFT_SIZE.
14088 (var_can_have_subvars): Ditto.
14089 (overlap_subvar): Ditto.
14090 * print-tree.c (print_node): Print out interesting things for
14092 * tree-flow.h (struct subvar): Remove offset and size members.
14093 * tree-ssa-operands.c (get_expr_operands): Update for
14094 get_indirect_ref_operands changes.
14095 (get_indirect_ref_operands): Call add_virtual_operand instead of
14096 add_stmt_operand. Only recurse on base var if requested.
14097 (access_can_touch_variable): New function.
14098 (add_stmt_operand): Split virtual operand handling into ...
14099 (add_virtual_operand): Here. Add offset, size, and for_clobber
14100 arguments. Prune alias sets.
14101 (add_call_clobber_ops): Call add_virtual_operand.
14103 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14105 PR middle-end/26300
14106 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14108 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14109 than TREE_CODE as index into omp_clause_num_ops array.
14111 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14113 PR rtl-optimization/26184
14114 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14116 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14117 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14118 must_precede, must_follow and tobe_scheduled.
14121 * opts.c (common_handle_option): Free new_option pointer.
14122 * df-core.c (df_analyze): Free postorder pointer.
14124 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14126 * Makefile.in: Fix the examples about the use of stamps
14128 2006-02-15 Michael Matz <matz@suse.de>
14130 PR middle-end/22275
14132 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14133 influenced by maximum_field_alignment or DECL_PACKED.
14134 (update_alignment_for_field): Ditto.
14135 (place_field): Ditto.
14136 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14139 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14141 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14142 (debug_flow_info): Pass it.
14143 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14144 * bb-reorder.c (reorder_basic_blocks): Likewise.
14145 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14146 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14147 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14148 * gcse.c (gcse_main, bypass_jumps): Likewise.
14149 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14150 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14151 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14152 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14153 * rtl.h (dump_flow_info): Adjust prototype.
14154 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14155 * var-tracking.c (variable_tracking_main): Likewise.
14156 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14157 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14160 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14162 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14165 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14167 PR tree-optimization/26209
14168 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14169 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14171 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14173 2006-02-14 Roger Sayle <roger@eyesopen.com>
14175 PR middle-end/23670
14176 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14177 (X,Y) and the corresponding symmetry related transformations.
14178 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14179 (X,Y) and its symmetry related transformations.
14181 2006-02-14 Roger Sayle <roger@eyesopen.com>
14183 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14186 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14188 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14190 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14193 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14194 support COMDAT group.
14195 * configure: Regenerate.
14197 2006-02-14 Roger Sayle <roger@eyesopen.com>
14199 PR middle-end/26279
14200 PR middle-end/26280
14201 PR middle-end/26283
14202 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14204 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14206 Fix PR tree-optimization/26260
14208 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14210 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14211 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14212 * tree-ssa-structalias.c (create_variable_info_for): Use
14213 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14215 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14217 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14219 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14220 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14221 of the ending condition.
14222 * tree-ssa-loop-manip.c: Include params.h.
14223 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14224 tree_unroll_loop): New functions.
14225 * tree-pass.h (pass_loop_prefetch): Declare.
14226 * loop.c (rest_of_handle_loop_optimize): Test for
14227 -fprefetch-loop-arrays-rtl.
14228 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14229 * timevar.def (TV_TREE_PREFETCH): New timevar.
14230 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14231 pass_loop_prefetch): New.
14232 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14233 (cleanup_tree_cfg_loop): Call scev_reset.
14234 * common.opt (fprefetch-loop-arrays-rtl): Add.
14235 * tree-ssa-loop-prefetch.c: New file.
14236 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14237 (new_temp_expr_table): Initialize expr_vars.
14238 (free_temp_expr_table): Cleanup expr_vars.
14239 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14240 expressions from being merged into one.
14241 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14242 (struct tree_niter_desc): Add control, bound and cmp fields.
14243 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14245 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14246 (tree-cfgcleanup.o): Add SCEV_H dependency.
14247 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14248 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14250 2006-02-14 Richard Guenther <rguenther@suse.de>
14252 PR tree-optimization/26258
14253 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14254 in PHI argument processing.
14256 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14258 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14259 new expression in the requested machine mode.
14261 2006-02-13 Roger Sayle <roger@eyesopen.com>
14263 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14264 directly, instead let do_compare_rtx_and_jump handle this for us.
14265 * expr.c (expand_expr_real_1): Likewise.
14266 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14267 before do_jump_by_parts_greater.
14268 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14269 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14271 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14273 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14275 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14277 PR rtl-optimization/26235
14278 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14279 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14282 2006-02-13 Jeff Law <law@redhat.com>
14284 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14287 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14289 PR middle-end/26092
14290 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14291 twice if decl is a builtin. When trying again, call get_callee_fndecl
14292 first to verify it is still a builtin.
14294 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14296 * dwarf2out.c (base_type_die): Don't add AT_name here.
14297 (subrange_type_die): Don't add AT_name here.
14298 (modified_type_die): Rearrange code flow. Do add AT_name here.
14300 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14302 PR rtl-optimization/26247
14303 PR rtl-optimization/26248
14304 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14306 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14308 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14309 * config/fixtfdi.c: Likewise.
14310 * config/fixunstfdi.c: Likewise.
14311 * config/floatditf.c: Likewise.
14313 2006-02-13 Roger Sayle <roger@eyesopen.com>
14315 PR middle-end/24427
14316 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14317 into (X,C2) if C1 is a subset of the bits of C2. Transform
14318 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14320 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14322 2006-02-13 Josh Conner <jconner@apple.com>
14325 * varasm.c (function_section): Check for section name before
14326 calling select_section on targets that define
14327 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14328 unlikely_text_section instead of hot_function_section if
14329 first_function_block_is_cold.
14331 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14333 PR middle-end/25335
14334 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14336 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14338 PR rtl-optimization/26222
14339 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14340 after tree->rtl expansion.
14341 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14342 before passing it to emit_move_insn.
14344 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14346 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14348 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14349 Clarify documentation.
14350 * c-common.h (warn_write_strings): Remove.
14351 * c-common.c (warn_write_strings): Likewise.
14352 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14355 2006-02-12 Roger Sayle <roger@eyesopen.com>
14357 PR middle-end/25724
14358 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14359 (do_jump_parts_zero_rtx): New function renamed from
14360 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14361 (do_jump_parts_equality_rtx): New function split out from
14362 do_jump_parts_equality. Old implementation renamed as above.
14363 Call do_jump_parts_zero_rtx if either operand is zero.
14364 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14365 do all of the heavy lifting.
14366 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14367 calling either do_jump_by_parts_greater_rtx or
14368 do_jump_by_parts_equality_rtx.
14369 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14370 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14371 moved to do_compare_rtx_and_jump, call it directly.
14372 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14373 mode argument. Call do_compare_rtx_and_jump.
14374 (emit_case_nodes): Update calls to do_jump_if_equal.
14376 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14378 PR rtl-optimization/26225
14379 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14381 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14383 PR rtl-optimization/26232
14384 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14386 2006-02-11 Jason Merrill <jason@redhat.com>
14389 * tree-inline.c (declare_return_variable): Just don't use the
14390 modify target if it's a gimple complex reg and the return slot
14393 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14395 * doc/contrib.texi: Update my entry.
14397 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14399 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14401 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14403 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14406 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14408 * doc/invoke.texi (-floop-optimize2): Removed.
14409 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14410 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14411 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14412 * common.opt (floop-optimize2): Removed.
14413 (fmove-loop-invariants): Enabled by default.
14415 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14417 * tree-if-conv.c (combine_blocks): Free the result of
14418 get_loop_exit_edges.
14420 2006-02-10 Jeff Law <law@redhat.com>
14422 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14424 PR tree-optimization/26213
14425 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14426 loop trying to follow SSA_NAME_VALUE chains.
14428 2006-02-10 Richard Guenther <rguenther@suse.de>
14430 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14431 deal with structures that end in implicitly variable sized arrays.
14433 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14435 PR rtl-optimization/24762
14436 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14439 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14441 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14442 (struct ivopts_data): Add regs_used field.
14443 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14444 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14445 instead of loop_data->regs_used;
14446 (free_loop_data): Do not free aux fields for loops.
14447 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14448 and tree_ssa_iv_optimize_finalize.
14450 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14452 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14454 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14457 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14458 computing the effective result type.
14460 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14462 PR inline-asm/16194
14463 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14464 (tree_overlaps_hard_reg_set): Declare.
14465 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14466 type and signature to match function type expected by walk_tree.
14467 (tree_overlaps_hard_reg_set): New function.
14468 (decl_conflicts_with_clobbers_p): Rename to:
14469 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14470 Use tree_overlaps_hard_reg_set. Changed caller.
14471 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14472 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14473 * cris.c (cris_md_asm_clobbers): Likewise.
14475 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14477 * reload1.c (emit_input_reload_insns): Delete code that tries to
14478 inherit using find_equiv_reg.
14480 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14482 * c-common.h (flag_const_strings): Don't declare.
14483 * c-common.c (flag_const_strings): Remove.
14484 * c.opt (fconst_strings): Remove.
14485 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14486 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14487 (c_common_init_options): Don't set flag_const_strings.
14488 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14490 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14492 * arm.md (tlobits_cbranch): New pattern.
14493 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14494 testing a single bit.
14496 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14499 * tree-ssa-pre.c (create_component_ref_by_pieces):
14500 Handle RETURN_DECL like VAR_DECL.
14502 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14504 PR middle-end/26134
14505 * fold-const.c (fold_indirect_ref_1): Fold
14506 "*(foo *)&complexfoo" to "__real__ complexfoo"
14507 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14509 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14511 * tree-flow-inline.h (var_can_have_subvars):
14512 Volatile variables should not have subvariables.
14514 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14517 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14518 multiplying unsigned values.
14521 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14523 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14525 2006-02-08 Jason Merrill <jason@redhat.com>
14528 * tree.def: Elaborate on difference from MODIFY_EXPR.
14529 * doc/c-tree.texi (INIT_EXPR): Likewise.
14530 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14531 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14532 (gimplify_target_expr): Likewise.
14533 (gimplify_cond_expr): Remove target handling.
14534 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14535 (gimplify_expr): Clobber it here.
14536 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14537 Do return slot optimization if we have an INIT_EXPR.
14540 * tree-inline.c (declare_return_variable): Also clear
14541 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14544 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14546 PR middle-end/22439
14547 * gimplify.c (gimplify_one_sizepos): Fix typo.
14549 2006-02-08 Jeff Law <law@redhat.com>
14551 PR tree-optimization/21417
14552 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14553 across a backedge if the control statement at the end of the
14554 block is data dependent on other statements in the same block.
14555 (record_temporary_equivalences_from_stmts): Remove over-conservative
14556 test for threading across backedges.
14558 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14559 control statement, handle all three special cases in the same
14560 manner as they all have the same desired solution. No longer
14561 special case edge flag updating when the post dominator is
14564 2006-02-08 Roger Sayle <roger@eyesopen.com>
14566 * tree.def (CHAR_TYPE): Remove.
14567 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14568 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14569 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14570 (gen_string_type_die): Delete unreachable function.
14572 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14573 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14574 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14575 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14576 * builtins.c (type_to_class): Likewise.
14577 * fold-const.c (fold_convert, build_range_check,
14578 merge_ranges): Likewise.
14579 * expr.c (count_type_elements): Likewise.
14580 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14581 * stor-layout.c (layout_type): Likewise.
14582 * ipa-type-escape.c (type_to_consider): Likewise.
14583 * gimplify.c (omp_firstprivatize_type_sizes,
14584 gimplify_type_sizes): Likewise.
14585 * explow.c (promote_mode): Likewise.
14586 * tree-sra.c (is_sra_scalar_type): Likewise.
14587 * varasm.c (output_constant): Likewise.
14588 * tree-inline.c (remap_type_1): Likewise.
14589 * convert.c (convert_to_pointer, convert_to_real,
14590 convert_to_integer, convert_to_complex): Likewise.
14592 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14594 * df-scan.c (df_def_record_1): A set destination may
14595 be a parallel regardless of mode.
14597 2006-02-08 Roger Sayle <roger@eyesopen.com>
14600 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14601 * config/mips/_tilib.c: Remove.
14602 * config/fixtfdi.c: New libgcc source file.
14603 * config/fixunstfdi.c: New source file.
14604 * config/floatditf.c: New source file.
14605 * config/floatunditf.c: New souce file.
14606 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14607 files above instead of config/mips/_tilib.c.
14608 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14610 2006-02-08 Jeff Law <law@redhat.com>
14612 PR tree-optimization/26169
14613 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14616 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14618 * df.h (DF_REG_SIZE): Return the length of the initialized
14621 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14623 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14624 __muldf3): Return a correctly signed zero.
14626 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14628 * passes.c (register_one_dump_file): Accept the current properties
14629 instead of pass number. Adjust call to dump_register. Remove
14631 (register_dump_files): Now a wrapper around...
14632 (register_dump_files_1): ... this one. Do not modify the pass
14634 (next_pass_1): Cosmetic fix.
14635 (execute_todo): Keep second parameter only. Use curr_properties
14636 instead of fetching it from the pass structure. Check and set
14638 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14639 instead of fetching it from the pass structure. Fix calls to
14640 execute_todo. Update curr_properties and initialize .vcg RTL dump
14641 after running the pass. Reset last_verified.
14642 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14644 (FIRST_AUTO_NUMBERED_DUMP): New.
14645 (dump_register): Remove "num" parameter, assign it within the
14647 (get_dump_file_name): Modify template for dumps.
14648 * tree-dump.h (dump_register): Adjust prototype.
14649 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14650 (PROP_trees): Add PROP_gimple_lomp.
14651 (TODO_set_props): New.
14652 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14653 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14654 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14656 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14658 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14659 (sparc64-*-linux*): Likewise.
14660 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14661 * config/sparc/t-linux: New file.
14662 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14663 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14664 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14665 -m32 -mlong-double-128.
14667 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14668 * config/alpha/t-linux: New file.
14669 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14671 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14672 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14673 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14674 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14675 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14676 (CPP_ARCH32_SPEC): Remove.
14678 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14680 PR tree-optimization/26145
14681 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14684 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14687 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14688 >= 240000 when generating code for SOM runtime.
14689 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14690 to $$dyncall when generating code for SOM runtime..
14692 2006-02-07 Dirk Mueller <dmueller@suse.com>
14695 * doc/invoke.texi (-Wsequence-point): Update documentation
14696 that -Wsequence-point is implemented for C++ as well.
14698 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14700 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14701 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14702 (LIB_SPEC): Likewise.
14703 * doc/invoke.texi (SPARC options): Document -pthread.
14705 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14707 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14710 2006-02-07 Roger Sayle <roger@eyesopen.com>
14712 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14713 Correct comment describing BOOLEAN_TYPE.
14715 2006-02-07 Dirk Mueller <dmueller@suse.com>
14717 * c.opt: C++ frontend supports -Wdiv-by-zero.
14718 * c-opts.c (c_common_handle_option): Remove dead case.
14720 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14722 * configure.ac (TLS assembler check): Do not enable TLS by
14723 default on SPARC/Solaris before version 10.
14724 * configure: Regenerate.
14726 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14728 * doc/invoke.texi (xl-compat): Document conversion and support
14731 2006-02-07 Jeff Law <law@redhat.com>
14733 * tree-vrp.c (find_conditional_asserts): Update comments.
14734 (simplify_stmt_for_jump_threading): New.
14735 (identify_jump_threads, finalize_jump_threads): New.
14736 (vrp_finalize): Call identify_jump_threads.
14737 (execute_vrp): Call finalize_jump_threads.
14738 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14739 (vrp_element, vrp_data, vrp_element_p): Remove.
14740 (vrp_hash_elt, vrp_variables_stack): Remove.
14741 (vrp_hash, vrp_eq, record_range): Remove.
14742 (simplify_cond_and_lookup_avail_expr): Remove.
14743 (extract_range_from_cond): Remove.
14744 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14745 (simplify_stmt_for_jump_threading): New.
14746 (dom_thread_across_edge): New wrapper.
14747 (tree_ssa_dominator_optimize): No longer initialize or
14748 finalize any of the VRP datastructures. Remove iteration
14749 step and simplify as a result of removal of iteration step.
14750 (pass_dominator): Perform a cfg cleanup after DOM.
14751 (dom_opt_finalize_block): Use the new common routines
14752 for threading jumps. Simplify stack management slightly.
14753 No longer need to unwind VRP state.
14754 (record_equivalences_from_incoming_edge): No longer record
14756 (eliminate_redundant_computations): No longer call
14757 simplify_cond_and_lookup_avail_expr.
14758 * tree-flow.h (potentially_threadable_block): Prototype.
14759 (thread_across_edge): Likewise.
14760 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14761 (tree-ssa-threadedge.o): Add dependencies.
14762 * tree-ssa-threadedge.c: New file.
14763 * passes.c (init_optimization_passes): Merge PHIs before
14764 calling VRP. Run VRP again late in the SSA optimization pipeline.
14766 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14768 * df-core.c (df_set_blocks): Do not dereference function pointers.
14769 (df_finish1): Likewise.
14770 (df_hybrid_search_forward): Likewise.
14771 (df_hybrid_search_backward): Likewise.
14772 (df_iterative_dataflow): Likewise.
14773 (df_analyze_problem): Likewise.
14774 (df_compact_blocks): Likewise.
14775 (df_dump): Likewise.
14776 * df-scan.c (df_rescan_blocks): Likewise.
14777 (df_record_entry_block_defs): Likewise.
14779 * genconditions.c (write_conditions): Guard the definition of
14780 'insn_conditions' with the check on GCC version.
14781 (write_writer): Guard the traversal 'insn_conditions' with
14782 the check on GCC version.
14784 2006-02-07 Richard Guenther <rguenther@suse.de>
14788 2006-01-30 Richard Guenther <rguenther@suse.de>
14790 * gimplify.c (gimplify_target_expr): Handle easy cases
14791 without creating a temporary.
14793 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14795 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14796 use of float in probability computations. Use edge probabilities
14797 in place of statically computed probabilities.
14798 (min_spec_prob): New static variable.
14799 (schedule_insns): Initialize it.
14800 (GET_SRC_PROB): Removed.
14801 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14803 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14806 * config/ia64/unwind-ia64.c: Revert last change.
14807 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14808 (INCOMING_FRAME_SP_OFFSET): Define.
14810 2006-02-06 Roger Sayle <roger@eyesopen.com>
14812 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14814 2006-02-07 Ben Elliston <bje@au.ibm.com>
14816 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14817 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14818 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14819 (ix86_return_in_memory): Handle TDmode.
14820 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14821 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14823 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14825 * reorg.c (dbr_schedule): Use dump_file instead of file.
14827 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14830 * config/ia64/predicates.md (extr_len_operand): New predicate.
14831 * config/ia64/ia64.md (extv): Tighten constraints.
14833 (*tbit_and_2): Ditto.
14834 (*tbit_and_3): Ditto.
14835 (*tbit_or_2): Ditto.
14836 (*tbit_or_3): Ditto.
14837 (*bit_zero): Ditto.
14840 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14843 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14845 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14847 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14848 loop_optimizer_init and loop_optimizer_finalize
14849 * tree-ssa-sink.c (execute_sink_code): Ditto.
14850 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14851 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14852 tree_ssa_loop_done): Ditto.
14853 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14854 * sched-ebb.c: Include output.h.
14855 (schedule_ebbs): Do not use dump argument.
14856 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14857 * loop.c (loop_dump_stream): Removed.
14858 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14860 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14861 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14862 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14863 loop_iterations, strength_reduce, record_biv, record_giv,
14864 final_giv_value, check_final_value, check_ext_dependent_givs,
14865 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14866 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14867 dump_file instead of loop_dump_stream.
14868 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14869 argument dump_file.
14870 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14872 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14873 * haifa-sched.c: Include output.h
14874 (schedule_insns, sched_init): Do not use dump argument.
14875 * mode-switching.c (optimize_mode_switching): Ditto.
14876 * modulo-sched.c (stats_file): Removed.
14877 (print_node_sched_params): Do not call argument dump_file.
14878 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14879 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14881 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14883 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14884 rtl_loop_init, rtl_loop_done): Ditto.
14885 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14886 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14888 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14889 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14890 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14891 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14892 * emit-rtl.c (renumber_insns): Ditto.
14893 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14894 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14895 * regclass.c (regclass): Ditto.
14896 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14897 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14898 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14899 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14901 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14902 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14904 * gcse.c (gcse_file, debug_stderr): Removed.
14905 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14906 rest_of_handle_gcse): Do not use dump argument.
14907 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14908 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14909 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14910 compute_code_hoist_vbeinout, compute_code_hoist_data,
14911 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14912 compute_store_table, build_store_vectors, insert_insn_start_bb,
14913 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14914 store_motion): Use dump_file instead of gcse_file.
14915 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14916 * profile.c (profile_dump_file): Removed.
14917 (branch_prob): Use dump_file instead of profile_dump_file.
14918 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14920 * tree-ssa-copy.c (dump_copy_of): Ditto.
14921 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14922 dump file to life_analysis.
14923 * bt-load.c (branch_target_load_optimize): Ditto.
14924 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14926 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14927 regclass, dbr_schedule): Declaration changed.
14928 * sched-int.h (sched_init): Declaration changed.
14929 * tree-profile.c (tree_profile_dump_file): Removed.
14930 (tree_profile_hooks): Removed profile_dump_file hook.
14931 * rtl-profile (rtl_profile_dump_file): Removed.
14932 (rtl_profile_hooks): emoved profile_dump_file hook.
14933 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14935 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14936 * tree-cfg.c (build_tree_cfg): Ditto.
14937 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14938 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14939 Declaration changed.
14940 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14941 life_analysis and schedule_insns.
14942 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14944 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14946 * config/mips/mips.c (mips_reorg): Ditto.
14947 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14950 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14952 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14953 (s390_mangle_fundamental_type): New.
14954 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14957 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14958 (alpha_mangle_fundamental_type): New.
14959 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14962 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14964 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14966 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14967 (sparc_mangle_fundamental_type): New.
14969 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14971 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14972 (s390x-*-linux*): Likewise.
14973 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14974 * config/s390/t-linux: New file.
14976 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14978 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14979 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14981 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14983 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14984 (ANTIC_SAFE_LOADS): New macro.
14985 (find_or_generate_expression): Add prototype.
14986 (set_contains_value): Allow null set for sake of not always having
14987 to allocate ANTIC_SAFE_LOADS.
14988 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14989 Allow COMPONENT_REF too.
14990 (valid_in_set): Allow COMPONENT_REF.
14991 Check ANTIC_SAFE_LOADS too.
14992 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14993 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14995 (can_PRE_operation): Add COMPONENT_REF.
14996 (create_component_ref_by_pieces): New function.
14997 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14998 (insert_aux): Move AGGREGATE_TYPE_P check here.
14999 (compute_avail): Set bb local stmt uids.
15000 (pass_pre): Use TODO_update_ssa_only_virtuals.
15002 2006-02-06 Ben Elliston <bje@au.ibm.com>
15004 * configure.ac: Unconditionally disable decimal float by default.
15005 * configure: Regenerate.
15007 2006-02-06 Ben Elliston <bje@au.ibm.com>
15009 * read-rtl.c (read_name): Terminate reading on EOF.
15011 2006-02-06 Ben Elliston <bje@au.ibm.com>
15013 * dfp.c (decimal_real_arithmetic): Change second argument type
15014 from int to enum tree_code. Do not always return true, but now
15015 return result of any call to decimal_do helper functions.
15016 * dfp.h (decimal_real_arithmetic): Update prototype.
15018 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15020 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15022 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15025 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15028 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15030 * tree-vrp.c (cfg_loops): Removed.
15031 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15032 Use current_loops instead of cfg_loops. Pass flags to
15033 loop_optimizer_init.
15034 * cfgloopmanip.c (fix_loop_structure): Update only available
15036 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15037 loop_optimizer_init.
15038 * modulo-sched.c (build_loops_structure): Removed.
15039 (sms_schedule): Use loop_optimizer_init.
15040 * loop-init.c (loop_optimizer_init): Use flags to determine
15041 which properties of loops to prepare.
15042 (rtl_loop_init): Pass flags to loop_optimizer_init.
15043 * tree-ssa-sink.c (execute_sink_code): Ditto.
15044 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15045 * tree-ssa-pre.c (init_pre): Ditto.
15046 * cfgloop.h (LOOPS_NORMAL): New.
15047 (loop_optimizer_init): Declaration changed.
15049 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15051 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15052 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15054 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15056 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15058 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15059 * pa/t-pa64: Delete quadlib.c rule.
15060 * pa/x-ada: Revert last change.
15061 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15063 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15065 PR rtl-optimization/26087
15066 * rtlanal.c (canonicalize_condition): Do not cross basic block
15069 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15072 * config/ia64/ia64.c: Include debug.h.
15073 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15074 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15075 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15076 (process_epilogue, process_set, process_for_unwind_directive):
15077 Output unwind info only if requested. Add CFA info if requested.
15078 Add new arguments as needed. Adjust callers.
15079 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15081 (DWARF2_FRAME_INFO): Define to zero.
15082 * config/ia64/unwind-ia64.c: Remove code that compensated for
15083 the CFA offset error fixed above.
15084 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15085 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15086 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15087 -funwind-tables and -fexceptions to enable frame info.
15088 (dwarf2out_frame_init): Define initial CFA even if
15089 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15090 DWARF2_UNWIND_INFO is nonzero, not just defined.
15091 (dwarf2out_frame_finish): Output non-EH call frame info only
15092 if DWARF2_FRAME_INFO is nonzero.
15093 (convert_cfa_to_loc_list,
15094 compute_frame_pointer_to_cfa_displacement): Define even if
15095 unwind info is not supported.
15096 (gen_subprogram_die): Use the above unconditionally. Remove
15097 legacy alternate code.
15098 * toplev.c (compile_file): Compile in call to
15099 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15100 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15102 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15103 Jakub Jelinek <jakub@redhat.com>
15105 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15106 IBM extended float format long double as "g" on powerpc*-linux.
15108 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15111 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15112 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15114 2006-02-03 Jason Merrill <jason@redhat.com>
15117 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15119 PR middle-end/25977
15120 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15121 on the return slot if it's an NRV.
15123 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15125 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15126 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15127 rewrite_use): Do not handle USE_OUTER.
15128 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15129 add_iv_outer_candidates, may_replace_final_value,
15130 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15131 (find_interesting_uses_op): Functionality of
15132 find_interesting_uses_outer_or_nonlin moved here.
15133 (find_interesting_uses_outside): Use find_interesting_uses_op.
15135 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15138 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15140 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15141 Ulrich Weigand <uweigand@de.ibm.com>
15144 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15145 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15146 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15147 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15149 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15150 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15151 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15152 Define secondary reloads for TFmode moves.
15153 (constant_modes): Add TFmode.
15154 (NR_C_MODES): Set to 8.
15155 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15157 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15158 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15159 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15160 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15161 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15162 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15163 (FPR mode macro): Add TFmode.
15164 (DSF mode macro): New.
15165 (<de>, <dee> mode attributes): Removed.
15166 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15167 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15168 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15169 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15170 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15171 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15172 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15173 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15174 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15175 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15176 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15177 "*negabs<mode>2", "sqrt<mode>2"):
15178 Changed <de> to <xde>. R constraint replaced by <Rf>.
15179 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15181 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15182 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15183 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15185 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15186 "extenddftf2", "extendsftf2"): New expanders.
15187 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15188 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15189 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15190 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15192 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15193 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15194 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15195 __floatditf): Add a GCC_4.1.0 symbol version tag.
15196 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15199 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15202 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15203 Use targetm.binds_local_p instead of TREE_PUBLIC.
15205 2006-02-02 Roger Sayle <roger@eyesopen.com>
15207 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15208 on INTEGER_TYPEs to indicate that it denotes a character type.
15209 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15210 signed_char_type_node, unsigned_char_type_node and char_type_node.
15211 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15212 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15213 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15215 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15216 Daniel Berlin <dberlin@dberlin.org>
15218 * tree-tailcall.c (arg_needs_copy_p): New function.
15219 (eliminate_tail_call): Use arg_needs_copy_p.
15220 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15221 (add_virtual_phis): New function.
15223 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15225 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15226 #ignore instead of #scratch for %g7 .register directive.
15228 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15230 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15233 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15235 * flow.c (calculate_global_regs_live): Assert that there aren't any
15238 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15240 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15241 what its name says.
15242 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15243 bsi_after_labels iterator.
15244 * tree-if-conv.c (find_phi_replacement_condition,
15245 replace_phi_with_cond_modify_expr): Likewise.
15246 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15247 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15249 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15251 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15253 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15256 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15257 array after growing it.
15259 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15261 PR middle-end/24901
15262 * fold-const.c (fold_checksum_tree): Change type of buf.
15264 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15266 * reload.c (push_secondary_reload): Initialize t_icode.
15268 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15270 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15271 -msoft-float -mlong-double-128 only issue a warning, but don't
15272 swich to DFmode long double.
15274 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15276 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15277 has a constant equivalent, iterate over equivalents for arg0,
15278 calling simplify_relational_operation and if there's a result
15279 cheaper than X, apply fold_rtx and return the result.
15281 2006-02-01 Jan Hubicka <jh@suse.cz>
15283 * opts.c (no_unit_at_a_time_default): New global variable.
15284 (decode_options): Use it.
15285 * opts.h (no_unit_at_a_time_default): Declare.
15287 2006-02-01 Paul Brook <paul@codesourcery.com>
15289 * function.c (assign_parm_setup_reg): Use function argument promotion
15291 * expr.c (expand_expr_real_1): Use function argument promotion rules
15294 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15296 * gcc.c (process_command): Change j to 'unsigned int'.
15298 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15300 PR middle-end/26001
15301 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15302 Use the corrected index for the character
15303 out of the string constant.
15305 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15307 * mode-switching.c (optimize_mode_switching): Fix size
15308 allocated for bb_info[n_entities].
15310 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15312 * gcc.c (main): Correct type that is allocated for
15313 explicit_link_files.
15315 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15317 * config/s390/s390.c (init_alignment_context): Set
15318 ALIAS_SET_MEMORY_BARRIER on the MEM.
15319 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15321 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15323 PR middle-end/25933
15324 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15326 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15329 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15331 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15332 * regrename.c: Ditto.
15333 * tree-ssa-loop-im.c: Ditto.
15334 * tree-dump.c: Ditto.
15335 * tree-complex.c: Ditto.
15336 * genrecog.c: Ditto.
15337 * tree-ssa-threadupdate.c: Ditto.
15339 * java/class.c: Ditto.
15340 * java/jcf-parse.c: Ditto.
15341 * java/resource.c: Ditto.
15342 * java/except.c: Ditto.
15343 * java/jvspec.c: Ditto.
15344 * java/jcf-write.c: Ditto.
15345 * java/jcf-path.c: Ditto.
15346 * java/gjavah.c: Ditto.
15347 * java/zextract.c: Ditto.
15348 * java/jcf-io.c: Ditto.
15349 * java/jcf.h: Ditto.
15350 * java/buffer.c: Ditto.
15351 * java/lang.c: Ditto.
15352 * java/parse-scan.y: Ditto.
15353 * java/lex.c: Ditto.
15354 * java/lex.h: Ditto.
15355 * cfgloopmanip.c: Ditto.
15356 * postreload-gcse.c: Ditto.
15357 * tree-ssa-loop-manip.c: Ditto.
15358 * postreload.c: Ditto.
15359 * tree-ssa-loop-ch.c: Ditto.
15362 * cppspec.c: Ditto.
15363 * diagnostic.c: Ditto.
15365 * genoutput.c: Ditto.
15367 * cfghooks.c: Ditto.
15368 * cfgloopanal.c: Ditto.
15369 * objc/objc-act.c: Ditto.
15371 * genextract.c: Ditto.
15372 * genautomata.c: Ditto.
15373 * pretty-print.c: Ditto.
15374 * genemit.c: Ditto.
15375 * cgraphunit.c: Ditto.
15377 * df-scan.c: Ditto.
15378 * haifa-sched.c: Ditto.
15379 * dominance.c: Ditto.
15381 * tree-ssa-loop-ivopts.c: Ditto.
15382 * df-core.c: Ditto.
15383 * mode-switching.c: Ditto.
15384 * modulo-sched.c: Ditto.
15386 * ipa-pure-const.c: Ditto.
15388 * fix-header.c: Ditto.
15390 * tree-stdarg.c: Ditto.
15391 * ipa-utils.c: Ditto.
15392 * loop-init.c: Ditto.
15393 * ipa-inline.c: Ditto.
15394 * cfganal.c: Ditto.
15396 * alloc-pool.c: Ditto.
15397 * dwarf2out.c: Ditto.
15399 * genattrtab.c: Ditto.
15400 * tree-ssa-loop-ivcanon.c: Ditto.
15401 * predict.c: Ditto.
15402 * timevar.c: Ditto.
15404 * fortran/gfortranspec.c: Ditto.
15405 * regmove.c: Ditto.
15406 * local-alloc.c: Ditto.
15407 * langhooks.c: Ditto.
15408 * function.c: Ditto.
15409 * tree-vectorizer.c: Ditto.
15411 * ipa-type-escape.c: Ditto.
15413 * tree-if-conv.c: Ditto.
15414 * profile.c: Ditto.
15416 * tree-data-ref.c: Ditto.
15417 * loop-unroll.c: Ditto.
15418 * treelang/treetree.c: Ditto.
15420 * bt-load.c: Ditto.
15421 * ggc-common.c: Ditto.
15423 * coverage.c: Ditto.
15425 * tree-cfgcleanup.c: Ditto.
15426 * tree-ssa-pre.c: Ditto.
15427 * cfgcleanup.c: Ditto.
15428 * loop-invariant.c: Ditto.
15429 * loop-iv.c: Ditto.
15430 * ipa-prop.c: Ditto.
15431 * print-tree.c: Ditto.
15432 * conflict.c: Ditto.
15433 * ggc-page.c: Ditto.
15434 * sched-deps.c: Ditto.
15435 * regclass.c: Ditto.
15436 * tree-object-size.c: Ditto.
15437 * combine.c: Ditto.
15438 * bb-reorder.c: Ditto.
15439 * resource.c: Ditto.
15440 * var-tracking.c: Ditto.
15441 * cfgloop.c: Ditto.
15442 * df-problems.c: Ditto.
15443 * reg-stack.c: Ditto.
15445 * gccspec.c: Ditto.
15446 * sched-rgn.c: Ditto.
15447 * tree-ssa-structalias.c: Ditto.
15448 * tree-ssa-reassoc.c: Ditto.
15449 * config/darwin-c.c: Ditto.
15450 * config/darwin.c: Ditto.
15451 * config/arm/arm.c: Ditto.
15453 * collect2.c: Ditto.
15454 * reload1.c: Ditto.
15456 2006-01-31 Nicolas Pitre <nico@cam.org>
15458 * arm.md (smaxsi3): Make aware of smax_m1.
15461 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15463 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15465 2006-01-31 Richard Guenther <rguenther@suse.de>
15467 * doc/invoke.texi (-msselibm): Document.
15468 * target.h (expand_library_builtin): New target hook.
15469 * builtins.c (expand_builtin): Use expand_library_builtin.
15470 (default_expand_library_builtin): New function.
15471 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15472 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15473 (link_gcc_math_spec): Declare.
15474 (static_specs): Add link_gcc_math_spec.
15475 * expr.h (default_expand_library_builtin): Declare.
15476 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15477 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15478 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15479 * config/i386/i386.opt (msselibm): New target option.
15480 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15481 (ix86_init_sse_abi_builtins): New function.
15482 (ix86_expand_library_builtin): Likewise.
15483 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15484 (override_options): Handle error conditions wrt -msselibm.
15485 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15486 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15487 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15490 2006-01-31 Richard Guenther <rguenther@suse.de>
15491 Paolo Bonzini <bonzini@gnu.org>
15493 * doc/install.texi (--disable-libgcc-math): Document.
15495 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15497 * expr.h (expand_normal): new inline function.
15498 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15499 * dojump.c: use it.
15500 * dwarf2out.c: use it.
15503 * expmed.c: use it.
15504 * except.c: use it.
15505 * config/sparc/sparc.c: use it.
15506 * config/i386/i386.c: use it.
15507 * config/rs6000/rs6000.c: use it.
15508 * config/arm/arm.c: use it.
15509 * config/mips/mips.c: use it.
15510 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15512 2006-01-30 Roger Sayle <roger@eyesopen.com>
15514 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15515 argv to the appropriate type.
15517 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15519 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15522 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15525 * config/s390/s390.c (struct machine_function): New flag
15526 decomposed_literal_pool_addresses_ok_p.
15527 (s390_reorg): Set it before final stage of literal pool transforms.
15528 (s390_decompose_address): Only accept displacements of the form
15529 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15531 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15533 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15534 the comparison routine return.
15536 2006-01-30 Michael Matz <matz@suse.de>
15538 * global.c (find_reg): Only evict for global regs.
15539 Take n_refs into account and dump more info.
15541 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15544 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15545 (pragma_trap, pragma_nosave_low_regs): Likewise.
15546 (current_function_anonymous_args): Likewise.
15547 (sh_deferred_function_attributes): New variable.
15548 (sh_deferred_function_attributes_tail): Likewise.
15549 (print_operand): For '@', look up trap_exit attribute.
15550 (calc_live_regs): Look up trapa_handler attribute. For trapa
15551 handlers, save/restore fpscr, but don't do any other
15552 interrupt-specific saves.
15553 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15554 Fix check for partially saved registers to check for SHmedia.
15555 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15556 (sh_output_function_epilogue): Don't clear any of the removed
15558 (sh_insert_attributes): Don't check pragma_interrupt.
15559 Insert deferred attributes. Check that interrupt attribute is
15560 present for other attributes that require its presence.
15561 (sh_attribute_table): Add new attributes trapa_handler and
15563 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15564 Don't check for pragma_interrupt. Don't store argument.
15565 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15566 (sh_deferred_function_attributes): Declare.
15567 (sh_deferred_function_attributes_tail): Likewise.
15568 * sh.md (sp_switch_1): Add operand. Change generator caller.
15569 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15570 (*return_i): Don't use when trap_exit attribute is in effect.
15571 (*return_trapa): New insn pattern.
15572 * sh-c.c: New file.
15573 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15574 setting c_target_objs and cxx_target_objs.
15575 * t-sh: Add rule for sh-c.o.
15577 2006-01-30 Richard Guenther <rguenther@suse.de>
15580 * gimplify.c (gimplify_target_expr): Handle easy cases
15581 without creating a temporary.
15583 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15585 * vec.h (safe_grow): Remove duplicated line.
15587 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15590 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15591 (expand_omp): ... here.
15592 (expand_omp_parallel): Only remove barriers for combined
15593 parallel+workshare constructs.
15595 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15599 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15600 * tree.c (build_qualified_type): Chain the new type to the original
15601 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15602 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15603 (build_pointer_type_for_mode): Only return unqualified types.
15604 (build_reference_type_for_mode): Likewise.
15606 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15608 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15609 * Makefile.in (CXX_COMPAT_WARN): Define.
15610 * configure: Regenerate.
15612 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15615 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15618 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15620 * toplev.c: Fix thinko.
15622 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15623 Marcin Dalecki <martin@dalecki.de>
15625 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15626 (push_srcloc): Use XNEW.
15627 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15629 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15631 * df-core.c (df_set_blocks): Deleted all variable.
15633 2006-01-28 Ian Lance Taylor <ian@airs.com>
15635 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15636 cgraph_output_pending_asms.
15638 2006-01-28 Zack Weinberg <zackw@panix.com>
15640 * c.opt: Add -W(no-)overlength-strings.
15641 * doc/invoke.texi: Document it.
15642 * c-opts.c (c_common_handle_option): -pedantic implies
15643 -Woverlength-strings, if not explicitly disabled already.
15644 (c_common_post_options): -Woverlength-strings defaults to off, and
15645 is always off for C++.
15646 * c-common.c (fix_string_type): Issue warning about strings longer
15647 than is portable only if warn_overlength_strings. Rearrange code
15648 a little for clarity.
15649 * configure.in: Check for -Wno-overlength-strings as well before
15650 enabling -pedantic in stage 1.
15651 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15652 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15654 * genconditions.c (write_header, write_one_condition)
15655 (write_conditions, write_writer): Consolidate very long strings
15656 that were broken up to fit in C89 portable limit. Don't use
15657 printf when fputs will do.
15659 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15661 * combine.c (simplify_comparison <AND>): Check
15662 TRULY_NOOP_TRUNCATION before start using a subreg.
15664 * config/mips/mips.md (*branch_zero<mode>,
15665 *branch_zero<mode>_inverted, *branch_equality<mode>,
15666 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15667 Remove mode check from comparisons.
15669 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15671 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15673 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15675 * expmed.c (const_mult_add_overflow_p): Remove.
15676 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15678 * recog.c (validate_replace_rtx_subexp): Remove.
15679 * recog.h: Remove the prototype for
15680 validate_replace_rtx_subexp.
15682 * integrate.h: Remove the prototype for
15683 copy_decl_for_inlining.
15684 * rtl.h: Remove the prototype for mark_constant_function.
15685 * tree-vectorizer.h: Remove the prototype for
15686 vect_strip_conversion.
15688 * modulo-sched.c (create_partial_schedule,
15689 free_partial_schedule, reset_partial_schedule): Make them
15692 * hooks.c (hook_bool_rtx_int_false): Remove.
15693 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15695 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15697 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15698 and -mlong-double-128 are incompatible.
15699 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15700 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15701 (TARGET_LIBGCC2_CFLAGS): Define.
15702 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15703 (TARGET_LIBGCC2_CFLAGS): Same.
15704 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15706 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15709 * c-typeck.c (build_binary_op): Perform implicit casts of
15710 operands before shortening them.
15712 * cfgloopmanip.c (split_loop_bb): Remove.
15713 * cfgloop.h: Remove the prototype for split_loop_bb.
15715 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15716 * cfgloop.h: Remove the prototype for
15717 flow_loop_outside_edge_p.
15719 * emit-rtl.c (init_virtual_regs): Make it static.
15720 * function.h: Remove the prototype for init_virtual_regs.
15722 * recog.c (peephole2_optimize): Make it static.
15723 * recog.h: Remove the prototype for peephole2_optimize.
15725 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15727 * df-scan.c (df_record_entry_block_defs): Check if
15728 INCOMING_RETURN_ADDR_RTX is defined.
15730 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15731 Kenneth Zadeck <zadeck@naturalbridge.com>
15733 PR rtl-optimization/24762
15734 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15735 * targhooks.c (hook_void_bitmap): New hook prototype.
15736 * targhoohs.h (hook_void_bitmap): Ditto.
15737 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15738 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15739 * target.h (live_on_entry): New function pointer.
15740 * df-scan.c (df_all_hard_regs): Removed.
15741 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15742 (df_scan_free_internal): Added df->entry_block_defs.
15743 (df_scan_alloc): Ditto.
15744 (df_scan_dump): Ditto.
15745 (df_uses_record): Plumbed flag field properly thru calls.
15746 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15747 This part fixes PR24762.
15748 (df_bb_refs_record): Added code to make the frame and arg
15749 pointers live in EH blocks.
15750 (df_refs_record): Added call to df_record_entry_block_defs.
15751 (df_record_entry_block_defs): New function.
15752 * df-core.c: Added comments to describe new artifical defs.
15753 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15754 (entry_block_defs): New field in struct df.
15755 (df_all_hard_regs): Deleted.
15756 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15757 * df-problems.c (df_ru_bb_local_compute_process_def):
15758 Added code to handle artifical defs in the entry to a function.
15759 (df_ru_bb_local_compute): Ditto.
15760 (df_rd_bb_local_compute_process_def): Ditto.
15761 (df_rd_bb_local_compute): Ditto.
15762 (df_lr_bb_local_compute): Ditto.
15763 (df_ur_bb_local_compute): Ditto.
15764 (df_urec_bb_local_compute): Ditto.
15765 (df_chain_create_bb): Ditto.
15766 (df_ur_local_finalize): Removed entry.
15767 (df_urec_init): Ditto.
15768 (df_urec_local_finalize): Ditto.
15769 (df_ri_bb_compute): Added detection of last use of pseudos.
15770 * Makefile.in (df-scan.o): Updated dependencies.
15771 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15772 * config/mips/mips.c (mips_set_live_on_entry): Added.
15773 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15775 * dce.c (marked_insn_p): Added code to handle artifical defs.
15777 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15779 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15781 (_mm_cvtsi128_si64): Likewise.
15782 (_mm_cvtsd_si64): Likewise.
15783 (_mm_cvttsd_si64): Likewise.
15784 (_mm_cvtsi64_sd): Likewise.
15785 (_mm_cvtsi64_si128): Likewise.
15786 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15787 (_mm_cvtsi64_m64): Likewise.
15788 (_m_to_int64): Likewise.
15789 (_mm_cvtm64_si64): Likewise.
15790 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15791 (_mm_cvttss_si64): Likewise.
15792 (_mm_cvtsi64_ss): Likewise.
15793 (_mm_cvtss_f32): Likewise.
15795 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15797 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15798 for pragma redefine_extname.
15800 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15803 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15804 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15805 -mno-minimal-toc to previous content.
15806 (bispecs): Remove goal.
15807 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15808 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15809 compatibility aliases on powerpc-*-*gnu*.
15810 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15811 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15812 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15813 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15814 (ldblspecs): New goal.
15815 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15816 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15818 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15819 L_sf_to_tf or L_df_to_tf is defined.
15821 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15822 Alan Modra <amodra@bigpond.net.au>
15825 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15826 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15827 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15828 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15829 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15830 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15831 (rs6000_override_options): Initialize rs6000_ieeequad.
15832 Initialize TFmode format to ibm_extended_format if not
15834 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15836 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15837 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15838 (function_arg_advance): IBM long double passed in two FPRs, not
15840 (function_arg): IBM long double passed in FPRs.
15841 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15842 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15843 Only multireg GPR aligned.
15844 (rs6000_init_libfuncs): Enable IBM long double functions if not
15846 (rs6000_generate_compare): Use IBM long double compare if not
15848 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15849 (TARGET_IEEEQUAD): Define.
15850 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15851 not TARGET_IEEEQUAD.
15852 * config/rs6000/rs6000.md: Enable TFmode patterns if
15854 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15855 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15856 and -mlong-double-128 are incompatible.
15857 * doc/invoke.texi (-mabi): Collect options together. Add
15858 ibmlongdouble and ieeelongdouble.
15860 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15862 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15864 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15865 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15866 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15867 * rtl.h (rtunion_def): Remove rt_ptr.
15869 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15870 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15871 * config/i386/winnt.c (i386_pe_mark_dllexport)
15872 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15874 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15876 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15878 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15882 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15883 pthread_key_delete. From John David Anglin. gthrw-ify
15884 pthread_getunique_np only if it it's not a macro. Delete
15886 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15887 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15888 __gthread_objc_condition_signal, __gthread_key_delete): Add
15889 "__attribute__ ((__unused__))" to unused arguments.
15890 (__gthread_recursive_mutex_init_function): Add missing return.
15891 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15892 gthr-posix95.h: Use macro-based approach for name redirection
15893 on targets missing weakref.
15895 2006-01-26 Zack Weinberg <zackw@panix.com>
15897 * genconditions.c (write_header): In generated code, #ifdef out
15898 all includes and fake declarations, except includes of bconfig.h
15899 and system.h, unless GCC_VERSION >= 3001. Do not include
15900 gensupport.h in any case.
15901 (write_conditions): Generate a definition of struct c_test. Add
15902 a comment to the generated #endif.
15903 (write_one_condition): Escape backslashes in string too.
15904 (write_writer): Generated code must escape backslashes and quote
15905 marks (but not newlines) in the strings it writes.
15906 * Makefile.in (build/gencondmd.o): Update dependencies.
15908 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15911 * Makefile.in (insn-automata.o): Add header file dependencies.
15912 * genautomata.c: Add includes.
15914 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15917 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15919 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15921 * configure.ac: Expect target tools paths to be passed from the toplevel
15922 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15924 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15926 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15929 * c.opt (Wpointer-sign): Init to -1.
15930 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15931 OPT_pedantic, to 0 otherwise.
15932 * doc/invoke.texi: Update.
15934 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15936 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15937 constants provided by 80387 instructions in the destination mode.
15939 2006-01-26 Richard Guenther <rguenther@suse.de>
15940 Andrew Pinski <pinskia@physics.uc.edu>
15943 partial PR tree-opt/17064
15944 * tree-ssa-structalias.c (intra_create_variable_infos):
15945 Create heap variables for incoming parameters if
15946 flag_argument_noalias > 1.
15947 (find_what_p_points_to): Look through default defs of
15950 2006-01-26 Jeff Law <law@redhat.com>
15953 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15954 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15955 within the VR_RANGE, use the VR_RANGE as the result, not the
15957 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15958 bounds for the type.
15960 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15962 * tree-ssa-alias.c (maybe_create_global_var): Change
15963 subvar walking to an assertion that we don't have subvar'd variables.
15965 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15968 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15969 Use a new variable, inner. PARM_DECLs are always non-weak.
15971 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15973 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15974 --disable-checking.
15976 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15978 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15980 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15982 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15983 (smax_insn, smin_insn, smax_0, smin_0): New.
15985 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15988 * config/cris/cris.c (cris_order_for_addsi3): New function.
15989 * config/cris/cris-protos.h: Prototype it.
15990 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15991 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15992 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15993 (split for "op.S1 [rx=rx+i],ry (swapped)")
15994 (split for "op(s|u).S1 [rx=rx+i],ry")
15995 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15996 Apply cris_order_for_addsi3 when generating addsi3 insns.
15998 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16000 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16001 (TREE_BLOCK): Add call to EXPR_CHECK.
16003 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16006 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16007 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16008 (dump_omp_clauses): ... here.
16009 (dump_generic_node): Handle OMP_CLAUSE.
16010 * tree.c (omp_clause_num_ops): New.
16011 (omp_clause_code_name): New.
16012 (tree_code_size): Handle OMP_CLAUSE.
16013 (tree_size): Likewise.
16014 (make_node): Document handling of OMP_CLAUSE.
16015 (tree_node_structure): Handle OMP_CLAUSE.
16016 (omp_clause_check_failed): New.
16017 (omp_clause_range_check_failed): New.
16018 (omp_clause_operand_check_failed): New.
16019 (build_omp_clause): New.
16020 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16021 * tree.h (enum omp_clause_code): Declare.
16022 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16023 (OMP_CLAUSE_RANGE_CHECK): Define.
16024 (OMP_CLAUSE_ELT_CHECK): Define.
16025 (omp_clause_check_failed): Declare.
16026 (omp_clause_operand_check_failed): Declare.
16027 (omp_clause_range_check_failed): Declare.
16028 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16029 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16030 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16031 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16032 (OMP_CLAUSE_IF_EXPR): Likewise.
16033 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16034 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16035 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16036 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16037 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16038 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16039 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16040 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16041 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16042 (OMP_CLAUSE_CODE): Define.
16043 (OMP_CLAUSE_SET_CODE): Define.
16044 (OMP_CLAUSE_CODE): Define.
16045 (OMP_CLAUSE_OPERAND): Define.
16046 (struct tree_omp_clause): Declare.
16047 (union tree_node): Add field 'omp_clause'.
16048 * treestruct.def (TS_OMP_CLAUSE): Define.
16049 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16050 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16051 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16052 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16053 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16054 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16055 (OMP_CLAUSE): Define.
16056 * print-tree.c (print_node): Handle OMP_CLAUSE.
16057 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16058 * c-typeck.c: Likewise.
16059 * gimplify.c: Likewise.
16060 * c-omp.c: Likewise.
16061 * tree-nested.c: Likewise.
16062 * tree-inline.c: Likewise.
16063 * c-parser.c: Likewise.
16064 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16067 2006-01-25 Roger Sayle <roger@eyesopen.com>
16069 PR rtl-optimization/25703
16070 * combine.c (try_combine): Handle zero_extract and strict_low_part
16071 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16073 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16075 * global.c: Fix comment typos.
16077 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16080 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16081 Use output_addr_const instead of assemble_name.
16083 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16085 * Makefile.in (sched-vis.o): Update dependencies.
16086 * haifa-sched.c (sched_finish): Clear current_sched_info.
16087 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16088 (dump_flow_info): Call it.
16089 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16091 * basic-block.h (dump_bb_info): Declare.
16092 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16093 option, and apply options only for dump files whose TDF_RTL,
16094 TDF_TREE, or TDF_IPA bits match.
16095 * rtl.h: Declare new functions exported from sched-vis.c.
16096 * sched-vis.c: Enable also if scheduling is not used.
16097 (print_value): Print the mode of registers if not inside scheduling.
16098 (print_insn): Make it work outside the scheduler. Beautify the output
16100 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16102 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16104 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16105 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16106 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16107 depending on the value of CONSTANT_POOL_ADDRESS_P.
16108 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16110 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16111 rather than SYMBOL_REF_DECL.
16112 (rtx_constant_pool): Remove const_rtx_sym_htab.
16113 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16114 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16115 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16116 Remove handling of const_rtx_sym_htab.
16117 (find_pool_constant): Delete.
16118 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16119 rather than find_pool_constant.
16120 (get_pool_constant_for_function): Delete.
16121 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16122 find_pool_constant.
16123 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16124 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16125 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16126 (SYMBOL_REF_CONSTANT): New macro.
16127 (get_pool_constant_for_function): Delete.
16128 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16129 rather than SYMBOL_REF_DECL.
16130 (i386_pe_mark_dllimport): Likewise.
16131 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16132 rather than SYMBOL_REF_DECL.
16133 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16134 (machopic_indirect_call_target): Likewise.
16136 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16138 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16140 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16142 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16144 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16146 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16148 2006-01-24 David Daney <ddaney@avtrex.com>
16151 * configure.ac (enable_tls): New enable option.
16152 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16153 * configure: Regenerate.
16154 * doc/install.texi (--enable-tls): Document new option.
16155 (--disable-tls): Ditto.
16157 2006-01-24 Richard Henderson <rth@redehat.com>
16159 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16160 * alias.c (true_dependence): Respect it.
16161 (canon_true_dependence, write_dependence_p): Likewise.
16162 * builtins.c (get_builtin_sync_mem): Set it.
16164 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16166 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16169 2006-01-24 DJ Delorie <dj@redhat.com>
16171 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16172 for storing constants in single-bit bitfields.
16174 2006-01-25 Ben Elliston <bje@au.ibm.com>
16176 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16178 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16181 * tree-ssa-pre.c (phi_translate): Return NULL
16182 for AGGREGATE_TYPE's.
16184 2006-01-24 Zack Weinberg <zackw@panix.com>
16186 * genautomata.c (process_state_for_insn_equiv_partition):
16187 Use xcalloc for insn_arcs_array.
16188 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16189 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16191 2006-01-24 Richard Henderson <rth@redhat.com>
16193 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16194 update all callers.
16196 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16198 PR rtl-optimization/25890
16199 PR rtl-optimization/25905
16200 * combine.c (expand_compound_operation, expand_field_assignment):
16201 Fail if the bitfield's final position is out of bounds.
16203 2006-01-24 Ian Lance Taylor <ian@airs.com>
16205 PR middle-end/25930
16206 * cgraphunit.c (cgraph_output_in_order): Don't clear
16207 cgraph_asm_nodes until after asm strings have been output.
16209 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16211 * fix-header.c (read_scan_file): Add new parameter imultilib when
16212 calling register_include_chains.
16214 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16216 * omp-low.c: Update documentation.
16218 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16219 Daniel Berlin <dberlin@dberlin.org>
16223 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16224 return from the function.
16226 2006-01-22 Zack Weinberg <zackw@panix.com>
16228 * rtl.def (match_code): Add second argument.
16229 * genpreds.c (write_extract_subexp): New function.
16230 (write_match_code): Add path argument. Use write_extract_subexp.
16231 (write_predicate_expr): Pass path to write_match_code.
16232 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16233 not perform a mode test.
16234 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16235 a subexpression does not constrain the top-level code set.
16236 * read-rtl.c (read_rtx_variadic): New function.
16237 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16238 * doc/md.texi: Document new notation.
16239 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16240 (cmpsi_operand): ... here, using new notation.
16242 2006-01-22 Zack Weinberg <zackw@panix.com>
16244 * varray.c: Remove GENERATOR_FILE #ifdefs.
16246 2006-01-22 Zack Weinberg <zackw@panix.com>
16248 * genautomata.c (output_reserved_units_table): Emit nothing if
16249 description->query_units_num is zero. Remove extra blank line.
16250 (output_cpu_unit_reservation_p): Short circuit
16251 if description->query_units_num is zero.
16253 2006-01-22 Zack Weinberg <zackw@panix.com>
16255 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16256 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16257 nor any of the random handful of variables that used to be necessary
16258 when this program was linked with rtlanal.o. Prune set of forward
16259 function declarations.
16260 (struct attr_desc): Remove static_p field.
16261 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16262 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16263 (attr_string): Do not read the character one past the length of
16265 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16266 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16267 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16268 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16269 (make_automaton_attrs): New.
16270 (main): Do not call into genautomata. Call local gen_bypass
16271 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16272 Remove special case for insn_alts.
16273 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16274 varray.h (leftover from previous change). Prune set of forward
16275 function declarations. Remove state_alts fields from all
16276 structures. Remove state_alts_table from struct automaton.
16277 Make everything except main static. Do not maintain num_dfa_decls.
16278 Do not maintain state_alts fields of various structures.
16279 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16280 (add_arc): Remove state_alts argument. All callers updated.
16281 (output_reserved_units_table): Emit #ifdef here...
16282 (output_tables): ...not here. Don't generate state_alts tables.
16283 (expand_automata): Don't generate attributes.
16284 (write_automata): Don't generate state_alts functions.
16285 (main): New function.
16286 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16287 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16288 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16289 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16290 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16291 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16292 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16293 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16295 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16296 * genattrtab.h: Delete file.
16297 * Makefile.in (OBJS-common): Add insn-automata.o.
16298 (insn-automata.o): New rule.
16299 (simple_generated_c): Add insn-automata.c.
16300 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16301 (genprogmd): Add automata.
16302 (build/genattrtab): Needs no extra objects nor libraries.
16303 (build/genautomata): Needs build/vec.o and -lm.
16305 2006-01-22 Zack Weinberg <zackw@panix.com>
16307 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16308 (output_dfa_max_issue_rate, locked_states_num): Delete.
16309 (struct automaton): Add locked_states field.
16310 (output_dead_lock_vect): Save number of locked states in
16311 automaton->locked_states. If it is zero, don't print anything.
16312 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16313 (output_internal_dead_lock_func): Only test the dead_lock_vect
16314 for automata that have locked states.
16315 (output_statistics): Always print the number of locked states for
16316 each automaton. Calculate total number of locked states here.
16317 (write_automata): Don't call output_dfa_max_issue_rate.
16318 * genattrtab.c: Define length_unit_log as a const variable.
16319 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16320 max_insn_queue_index const.
16321 * final.c (length_unit_log): Declare const.
16322 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16324 2006-01-22 Zack Weinberg <zackw@panix.com>
16326 * genautomata.c: Include vec.h, not varray.h.
16327 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16328 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16329 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16330 VEC_* macros operating on appropriately typed vectors, or to
16331 malloced arrays when the size is known in advance. Const-ify
16332 many char* variables and function arguments. No functional changes.
16333 * Makefile.in (build/varray.o): Delete rule.
16334 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16335 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16337 2006-01-22 Zack Weinberg <zackw@panix.com>
16339 * gensupport.c: Define get_insn_name and record_insn_name here.
16340 (read_md_rtx): Call record_insn_name as appropriate.
16341 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16342 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16343 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16345 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16346 (BUILD_VARRAY): Delete.
16347 (genprognormal): Rename genprogmd. Fold in all programs from
16348 genprognoprint; also attrtab.
16349 (build/genattrtab): Just mention genautomata.o and varray.o.
16350 Reorganize a bit, add comments to make the categories clearer.
16352 2006-01-22 Zack Weinberg <zackw@panix.com>
16354 * genconditions.c (condition_table, add_condition): Delete.
16355 (write_conditions): Don't emit n_insn_conditions nor
16356 insn_elision_unavailable. Issue the gcc version #ifdef here,
16357 inside the table, with no #else clause ...
16358 (write_header): ...not here.
16359 (write_writer): New function.
16360 (main): Don't initialize condition_table. Use add_c_test.
16362 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16363 files on the command line.
16364 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16365 Return -1 if there is no entry in the table, don't abort.
16366 (add_c_test, traverse_c_tests): New functions.
16367 * gensupport.h (insn_elision_unavailable, insn_conditions)
16368 (n_insn_conditions): Delete declarations.
16369 (add_c_test, traverse_c_tests): Declare.
16370 * read-rtl.c: Include gensupport.h.
16371 (read_conditions): New function.
16372 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16373 (read_rtx_1): If we get EOF when we were looking for an initial
16374 open paren, return 0. Call read_conditions when appropriate.
16375 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16376 dummy-conditions.o. Eliminate references to insn-conditions.o,
16377 or change them to build/gencondmd.o, as appropriate. Remove
16378 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16379 from $(simple_generated_c). For all files remaining in those
16380 two lists, add insn-conditions.md to the generator command line.
16381 Give insn-constants.h/s-constants their own rules. Add rules
16382 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16383 (build/read-rtl.o): Depend on gensupport.h.
16384 (genprognormal): Include preds.
16385 (genprogearly): Rename genprognoprint; only difference is now that
16386 they don't link with $(BUILD_PRINT).
16387 * dummy-conditions.c: Delete.
16389 2006-01-22 Zack Weinberg <zackw@panix.com>
16391 * genextract.c: Don't include insn-config.h. Do include vec.h.
16392 Declare vectors of int, char, and locstr.
16393 (locstr): New typedef.
16394 (struct extraction): Make all array fields into bare pointers.
16395 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16396 (insn_code_number): Delete.
16397 (accum_extract): New struct.
16398 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16399 (gen_insn): Take insn_code_number as an argument. Use an
16400 accum_extract structure instead of loading data directly into
16401 a struct extraction, and having to know how big it might get.
16402 (walk_rtx): Operate entirely on an accum_extract structure.
16403 (print_path): Avoid unnecessary use of printf.
16404 (print_header): New function, split out of main. Distinguish
16405 more carefully between an unrecognizable insn and an insn that
16406 has the code number of a define_expand.
16407 (main): Pass insn_code_number to gen_insn. Call print_header
16408 only after parsing. Avoid unnecessary use of printf.
16409 * Makefile.in (build/vec.o): New rule.
16410 (build/genextract): Depend on build/vec.o.
16411 (build/genextract.o): Don't depend on insn-config.h.
16413 2006-01-22 Zack Weinberg <zackw@panix.com>
16415 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16416 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16417 practical. Eliminate per-generator-program link rules.
16419 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16421 PR middle-end/24437
16422 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16423 with a call expr to ...
16424 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16426 2006-01-23 Richard Guenther <rguenther@suse.de>
16428 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16429 before make_edge with conditional EDGE_TRUE_VALUE.
16431 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16432 Jan Hubicka <jh@suse.cz>
16433 Richard Guenther <rguenther@suse.de>
16435 PR rtl-optimization/25654
16436 * cfgexpand.c (aggregate_contains_union_type): New function.
16437 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16438 for structure variables that contain a union type.
16440 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16442 * gengtype.c (new_structure): Return the structure.
16443 (create_option): Add an extra "next" argument.
16444 (create_field): New function.
16445 (adjust_field_rtx_def): Use create_option and create_field.
16446 Remove a now-unnecessary call to find_structure.
16447 (adjust_field_tree_def): Likewise.
16448 (note_yacc_type): Remove an unnecessary call to find_structure.
16449 * gengtype.h (new_structure): Return the structure.
16450 (create_option): Add an extra argument.
16451 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16452 (option): Adjust calls to create_option.
16454 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16456 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16458 2006-01-22 Paul Brook <paul@codesourcery.com>
16459 Peter Barada <peter@the-baradas.com>
16461 * config/m68k/m68k.md: Add Coldfire FPU support.
16462 Define FP mode macro and associated attributes.
16463 Use it for float mode patterns.
16464 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16465 (LIBCALL_VALUE): Use m68k_libcall_value.
16466 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16467 (m68k_function_value): Ditto.
16468 (emit_move_sequence): Ditto.
16469 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16470 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16471 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16472 (MULTILIB_EXCEPTIONS): Ditto.
16473 * config/m68k/m68k.opt: Add mcfv4e.
16474 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16475 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16476 (m68k_output_function_prologue): Save ColdFire FPU registers.
16477 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16478 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16479 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16480 ColdFire FPU registers.
16481 (m68k_libcall_value, m68k_function_value): New functions.
16482 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16483 (LIBCALL_VALUE): Use m68k_libcall_value.
16484 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16485 (MASK_COLDFIRE): Add MASK_CFV4E.
16486 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16487 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16488 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16489 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16490 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16491 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16492 * doc/invoke.tex: Document -mcfv4e on m68k.
16494 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16496 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16499 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16502 * c-opts.c (c_common_handle_option): Don't include
16503 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16504 * doc/invoke.texi (C++ Dialect Options): Document that
16505 -Wnon-virtual-dtor is no longer included in -Wall.
16507 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16509 * gcov.c (print_version), gcov-dump.c (print_version),
16510 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16513 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16515 * df-scan.c (problem_SCAN): Added NULL reset function.
16516 (df_scan_reset_blocks): Added code to call reset block function
16517 (df_bb_refs_delete) Fixed comment.
16518 (df_insn_refs_delete): Made tolerant of deleting non existent info
16519 for dataflow problems that need to be reset.
16520 * df-core.c (df_set_blocks): Ditto.
16521 * df.h (struct df_problem): Added reset_fun.
16522 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16523 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16524 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16525 functions to clear out all references to def-use or use-def chains.
16527 2006-01-21 Ben Elliston <bje@au.ibm.com>
16529 * varasm.c (assemble_real): Initialise data array.
16531 2006-01-20 Paul Brook <paul@codesourcery.com>
16533 Merge from csl-arm-branch.
16534 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16535 * config/arm/arm.md (movdi): Force operands[1] to a register
16536 if we have a non-register source.
16537 (*arm_movdi, *movdf_soft_insn): Require that one of the
16538 operands be a register.
16539 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16540 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16542 2006-01-20 DJ Delorie <dj@redhat.com>
16544 * varasm.c (initializer_constant_valid_p): Allow pointers
16545 initialized from integer constants of lesser precision.
16546 (output_constant): Allow non-int-sized pointer modes to be
16547 initialized from integer constants.
16549 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16552 * cppdefault.h (struct default_include): Add multilib flag.
16553 * cppdefault.c (cpp_include_defaults): Set it.
16554 * c.opt (-imultilib): New option.
16555 * c-opts.c (imultilib): New.
16556 (c_common_handle_option): Handle -imultilib.
16557 (c_common_post_options): Likewise.
16558 * c-incpath.c (add_standard_paths, register_include_chains):
16560 * c-incpath.h (register_include_chains): Add extra parameter.
16561 * gcc.c (do_spec_1): Generate -imultilib option.
16562 (The Specs Language): Update %I description.
16563 (process_command): Update copyright notice.
16564 * doc/cppopts.texi (-imultilib): Document.
16565 * doc/invoke.texi (-imultilib): Include in option summary.
16566 (%I): Update specs documentation.
16568 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16570 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16572 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16574 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16577 2006-01-20 Richard Guenther <rguenther@suse.de>
16578 Steven Bosscher <stevenb.gcc@gmail.com>
16580 PR rtl-optimization/24626
16581 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16582 EDGE_TRUE_VALUE if in RTL mode.
16585 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16586 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16588 2006-01-20 Dirk Mueller <dmueller@suse.com>
16591 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16592 instead of a special NOP marker.
16593 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16594 NOP marker handling.
16595 * c-common.h (empty_body_warning): Add forward declaration.
16596 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16597 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16599 2006-01-20 Paul Brook <paul@codesourcery.com>
16601 * Makefile.in (lang_checks): Keep going if mkdir fails.
16603 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16605 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16606 be able to clean out basic block when not necessary.
16607 (df_scan_free): Fixed to properly delete information if df is
16608 unused before calling df_finish.
16609 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16610 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16612 (df_bb_refs_delete): New function.
16613 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16614 * df-core.c (df_set_blocks): Added code to properly clean out
16615 unused blocks if they are not part of the blocks to consider.
16616 Added additional null check.
16617 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16618 be able to clean out basic block when not necessary
16619 * df.h (df_free_bb_function): Ditto.
16620 (df_bb_refs_delete): New function.
16621 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16622 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16623 basic block parameter to be able to clean out basic block when not
16625 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16626 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16627 Fixed to properly delete information if df is unused before
16630 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16632 PR rtl-optimization/25799
16633 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16634 Corrected confluence operator to remove bits from op2 before oring
16635 with op1 rather than removing bits from op1.
16636 (df_ru_transfer_function): Corrected test on wrong bitmap which
16637 caused infinite loop. Both of these problems were introduced in
16638 the dataflow rewrite.
16640 2006-01-19 DJ Delorie <dj@redhat.com>
16642 * reload1.c (find_reload_regs): Note the details of reload
16643 failures in the dump file.
16644 (spill_failure): Likewise.
16646 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16648 * loop-iv.c: Include df.h and hashtab.h.
16649 (enum iv_grd_result): New enum.
16650 (DF_REF_IV, DF_REF_IV_SET): New macros.
16651 (struct biv_entry): New.
16652 (df, bivs): New global variables.
16653 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16654 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16656 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16657 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16658 analyzed_for_bivness_p, record_biv): New functions.
16659 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16660 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16661 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16663 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16665 (iv_number_of_iterations): Use new interface to iv analysis.
16666 * loop-unroll.c: Do not include varray.h.
16667 (analyze_iv_to_split_insn): Use new interface to iv
16669 * loop-unswitch.c (may_unswitch_on): Ditto.
16670 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16672 (df_bb_modify): Realloc tables to the new index.
16673 (df_find_use): New function.
16674 * df.h (df_find_use): Declare.
16675 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16677 * cfgloop.h (struct rtx_iv): Remove analysed field.
16678 (iv_get_reaching_def): Removed.
16679 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16680 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16681 (loop-iv.o): Add df.h and hashtab.h dependency.
16682 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16684 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16687 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16689 (__floatundisf, __floatundidf): Likewise.
16690 * libgcc2.h (IS_IBM_EXTENDED): Define.
16692 2006-01-19 DJ Delorie <dj@redhat.com>
16694 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16696 2006-01-19 Paul Brook <paul@codesourcery.com>
16698 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16699 as nothrow when unwinding tables are disabled.
16701 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16704 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16705 of bit-field" when in system header.
16707 2006-01-19 DJ Delorie <dj@redhat.com>
16709 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16710 the 16 bit shift limit of the m16c.
16712 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16715 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16716 * config/i386/i386.c (output_set_got): Output the label if we have one
16717 for the TARGET_DEEP_BRANCH_PREDICTION case.
16719 2006-01-19 Jan Hubicka <jh@suse.cz>
16720 H.J. Lu <hongjiu.lu@intel.com>
16721 Evandro Menezes <evandro.menezes@amd.com>
16723 * invoke.texi (generic): Document
16725 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16726 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16727 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16728 (x86_use_incdec, x86_pad_returns): New variables
16729 (TARGET_CPU_DEFAULT_generic): New constant
16730 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16731 (enum processor_type): Add generic32 and generic64.
16732 * i386.md (cpu attribute): Add generic32/generic64
16733 (movhi splitter): Behave sanely when both partial_reg_dependency and
16734 partial_reg_stall are set.
16735 (K8 splitters): Enable for generic as well.
16736 * predicates.md (incdec_operand): Use TARGET_INCDEC
16737 (aligned_operand): Avoid memory mismatch stalls.
16738 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16739 * ppro.md: Enable for generic32
16740 * i386.c (generic64_cost, generic32_cost): New.
16741 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16742 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16743 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16744 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16745 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16746 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16747 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16748 x86_accumulate_outgoing_args, x86_prologue_using_move,
16749 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16750 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16751 Enable for generic.
16752 (x86_use_incdec, x86_pad_returns): New.
16753 (override_options): Add generic32 and generic64, translate "generic"
16754 to generic32/generic64 and "i686" to "generic32", refuse
16755 "generic32"/"generic64" as arch target.
16756 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16757 (ix86_reorg): Honor PAD_RETURNS.
16759 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16761 * tree-pretty-print.c (dump_generic_node): Handle
16762 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16763 * cgraph.c (cgraph_expand_queue): Rename from
16764 cgraph_analyze_queue. Update all users.
16765 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16766 cgraph_expand_queue.
16767 (cgraph_expand_all_functions): Likewise.
16768 (cgraph_finalize_pending_functions): Remove. Update callers.
16770 * tree.h (OMP_DIRECTIVE_P): Define.
16771 (OMP_PARALLEL_FN): Define.
16772 (OMP_PARALLEL_DATA_ARG): Define.
16773 (OMP_SECTIONS_SECTIONS): Define.
16774 * tree-pass.h (pass_expand_omp): Declare.
16775 * omp-low.c (struct omp_region): Declare.
16776 (struct omp_context): Remove fields 'parallel_type',
16777 'parallel_start_ix' and 'parallel_start_additional_args'.
16779 (struct omp_for_data): Rename from struct expand_omp_for_data.
16780 (omp_regions): New static variable.
16781 (root_omp_region): New static variable.
16782 (find_omp_clause): Make static.
16783 (is_in_combined_parallel_ctx): Remove.
16784 (is_combined_parallel): New.
16785 (extract_omp_for_data): Move earlier in the file.
16786 (workshare_safe_to_combine_p): New.
16787 (get_ws_args_for): New.
16788 (determine_parallel_type): Move earlier in the file.
16789 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16791 (omp_copy_decl): Likewise.
16792 (create_omp_child_function): Likewise.
16793 (lookup_omp_region): New.
16794 (dump_omp_region): New.
16795 (debug_omp_region): New.
16796 (debug_all_omp_regions): New.
16797 (new_omp_region): New.
16798 (scan_omp_parallel): If parallel_nesting_level > 1, the
16799 directive is nested within another parallel directive.
16800 Set OMP_PARALLEL_FN.
16801 (scan_omp_for): Do not try to handle combined parallel+for
16803 Remove FIXME comment.
16804 (scan_omp_nested): Remove.
16805 (scan_omp_1): Do not call scan_omp_nested when
16806 parallel_nesting_level is > 1.
16807 Do not change the DECL_CONTEXT of local variables found.
16808 (lookup_decl_in_outer_ctx): New.
16809 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16810 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16811 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16812 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16813 If CTX is nested, lookup VAR in the outer context when
16814 building copy assignment.
16815 (lower_send_clauses): Rename from expand_send_clauses.
16816 If CTX is nested, lookup VAR in the outer context when
16817 building copy assignments.
16818 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16819 If CTX is nested, lookup VAR in the outer context when
16820 building copy assignments.
16821 (expand_parallel_call): Rename from build_parallel_call.
16822 Handle combined parallel+workshare cases.
16823 Re-implement to emit code into the CFG.
16825 (expand_omp_parallel): Re-implement to emit code into the CFG.
16826 Call move_sese_region_to_fn to outline the sub-graph
16827 containing the parallel region.
16828 (expand_omp_for_1): Remove.
16829 (expand_omp_for_generic): Re-implement to emit code into the
16831 (expand_omp_for_static_nochunk): Likewise.
16832 (expand_omp_for_static_chunk): Likewise.
16833 (expand_omp_for): Likewise.
16834 (expand_omp_sections): Likewise.
16835 (remove_exit_barriers): New.
16836 (expand_omp_synch): New.
16838 (build_omp_regions_1): New.
16839 (build_omp_regions): New.
16840 (execute_expand_omp): New.
16841 (gate_expand_omp): New.
16842 (pass_expand_omp): Define.
16843 (lower_omp_sections): Rename from expand_omp_sections.
16844 Set OMP_SECTIONS_SECTIONS.
16845 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16846 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16847 (lower_omp_single): Rename from expand_omp_simple.
16848 (lower_omp_master): Rename from expand_omp_master.
16849 (lower_omp_ordered): Rename from expand_omp_ordered.
16850 (lower_omp_critical): Rename from expand_omp_critical.
16851 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16852 (lower_omp_for): Re-implement.
16853 (lower_omp_parallel): Re-implement.
16854 (lower_regimplify): Rename from expand_regimplify.
16855 (lower_omp_1): Rename from expand_omp_1.
16856 If there are syntax errors in the program, replace every
16857 OpenMP directive with NOP.
16858 Call lower_omp_* instead of expand_omp_*.
16859 (lower_omp): Rename from expand_omp.
16861 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16862 * tree-gimple.h (enum omp_parallel_type): Remove.
16863 (gimple_boolify): Declare extern.
16864 (find_omp_clause, determine_parallel_type): Remove.
16866 * gimple-low.c (lower_omp_directive): New.
16867 (lower_stmt): Call it.
16868 (record_vars_into): Move from ...
16869 (record_vars): ... here.
16870 Call record_vars_into with current_function_decl.
16872 * gimplify.c (struct gimplify_ctx): Remove fields
16873 combined_pre_p and combined_ctxp. Update users.
16874 (get_formal_tmp_var): Add documentation.
16875 (gimple_boolify): Make extern.
16876 (gimplify_expr_in_ctx): Remove. Update callers.
16877 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16878 will always be a BIND_EXPR.
16879 (gimplify_expr): Handle OMP_RETURN_EXPR.
16880 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16881 (OMP_PARALLEL): Add 3 operands.
16882 (OMP_SECTIONS): Add 1 operand.
16883 (OMP_RETURN_EXPR): Define.
16885 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16886 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16887 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16888 creating a circular free list.
16889 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16891 * tree-flow.h (move_sese_region_to_fn): Declare.
16892 (record_vars_into): Declare.
16893 * tree-cfg.c (make_omp_sections_edges): New.
16894 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16895 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16896 OMP_SECTIONS and OMP_SECTION.
16897 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16898 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16899 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16900 (gather_blocks_in_sese_region): New.
16901 (struct move_stmt_d): Declare.
16902 (move_stmt_r): New.
16903 (move_block_to_fn): New.
16904 (move_sese_region_to_fn): New.
16906 * passes.c (init_optimization_passes): Schedule
16907 pass_expand_omp after pass_init_datastructures.
16909 * tree-ssa-operands.c (get_expr_operands): Handle
16910 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16911 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16913 2006-01-19 Jeff Law <law@redhat.com>
16915 * tree-vrp.c (extract_range_from_assert): Refine the result range
16916 if the variable referenced by the ASSERT_EXPR has a range and
16917 either the tentative result range or the previous range is a
16920 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16922 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16924 2006-01-19 Jan Hubicka <jh@suse.cz>
16926 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16928 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16930 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16931 (expand_compound_operation, expand_field_assignment): Fail if the
16932 bit lengths of an extract operation are out of range.
16933 (make_extraction): Compute wanted_inner_mode based on the position
16934 and length of the extraction. Make it extraction_mode for non-constant
16935 positions, and do not modify offset in that case. When generating a
16936 new MEM, use a mode that can hold the extraction while keeping correct
16937 alignment. Remove code that supported MEMs wrapped by USEs.
16938 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16940 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16942 * config/s390/s390.md ("Y", "y"): New mode attribute.
16943 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16944 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16945 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16946 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16947 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16948 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16949 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16950 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16951 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16952 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16953 "addsi3", "subsi3"): Insn patterns removed.
16954 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16955 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16956 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16957 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16958 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16959 "*sub<mode>3_cconly2"): New insn patterns.
16960 ("addsi3", "subsi3"): New expanders.
16962 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16964 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16965 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16966 existing STMT_VINFO_VECTYPE if available.
16967 (vect_mark_relevant): Add special handling for stmts that are
16968 marked as STMT_VINFO_IN_PATTERN_P.
16969 (vect_analyze_loop): Call vect_pattern_recog.
16970 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16971 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16973 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16974 (vect_recog_func_ptr): New function-pointer type.
16975 * tree-vect-patterns.c: New file.
16976 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16977 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16978 (vect_pattern_recog_1): New functions.
16979 (vect_pattern_recog_funcs): New array of function pointers.
16981 * tree-vectorizer.h (ternary_op): New enum value.
16982 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16983 declaration. Revised documentation. Removed redundant dump prints.
16984 Removed redundant argument. Added support for reduction patterns.
16985 (vectorizable_reduction): Added support for reduction patterns.
16986 (vect_transform_stmt): Added support for patterns.
16988 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16989 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16990 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16991 (expand_widen_pattern_expr): New function.
16992 (init_optabs): Initialize new optabs udot_prod_optab,
16994 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16995 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16996 (expand_widen_pattern_expr): New function declaration.
16997 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16999 * tree-inline.c (estimate_num_insns_1): Added cases for new
17000 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17001 * tree-pretty-print.c (dump_generic_node): Likewise.
17002 (op_prio): Likewise.
17003 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17004 * tree-ssa-operands.c (get_expr_operands): Added case for
17006 * tree-vect-patterns.c (widened_name_p): New function.
17007 (vect_recog_dot_prod_pattern): Added function implementation.
17008 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17009 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17010 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17011 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17013 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17014 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17015 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17016 (init_optabs): Initialize new optabs widen_ssum_optab,
17018 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17019 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17020 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17021 use instead of type of def.
17022 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17023 function implementation.
17024 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17025 widen_ssumv8hi): New.
17027 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17030 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17033 * c-decl.c (add_flexible_array_elts_to_size): New function.
17034 (finish_decl): Use it.
17036 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17038 * diagnostic.h: Include options.h.
17039 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17040 dependancies for diagnostic.h.
17041 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17043 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17045 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17046 (ssa_ro_call_cache_valid): Ditto.
17047 * tree-ssa-alias.c (sort_tags_by_id): New function.
17048 (init_transitive_clobber_worklist): Ditto.
17049 (add_to_worklist): Ditto.
17050 (mark_aliases_call_clobbered): Ditto.
17051 (compute_tag_properties): Ditto.
17052 (set_initial_properties): Ditto.
17053 (compute_call_clobbered): Ditto.
17054 (compute_may_aliases): Call compute_call_clobbered and grouping.
17055 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17056 (compute_flow_insensitive_aliasing): Grouping now happens in our
17058 (setup_pointers_and_addressables): Remove clobbering related code.
17059 (add_may_alias): Ditto.
17060 (replace_may_alias): Ditto.
17061 (get_nmt_for): Ditto.
17062 (create_global_var):
17063 (is_escape_site): Return an escape_type enumeration.
17064 * tree-flow-inline.h (is_call_clobbered): Global var does not
17065 imply call clobbered.
17066 (mark_call_clobbered): Take a reason for marking this. Remove
17067 marking of globalness, and cache invalidation.
17068 (clear_call_clobbered): Remove cache invalidation code.
17069 * tree-dfa.c (dump_variable): If details is on, dump the reason
17071 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17073 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17074 (struct var_ann_d): Ditto.
17075 (enum escape_type): New.
17076 (mark_call_clobbered): Adjust prototype.
17077 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17078 are never call clobbered.
17079 Record reasons for escaping.
17080 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17081 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17082 (ssa_ro_call_cache_valid): Ditto.
17083 (clobbered_v_may_defs): Ditto.
17084 (clobbered_vuses): Ditto.
17085 (ro_call_vuses): Ditto.
17086 (clobber_stats): New.
17087 (init_ssa_operands): Zero out clobber stats.
17088 (fini_ssa_operands): Print out clobber stats.
17089 (get_call_expr_operands): Pass callee fndecl to
17090 add_call_read_ops).
17091 (add_call_clobber_ops): Remove use of cache.
17092 Add use of PURE_CONST information.
17093 (add_call_read_ops): Remove use of cache.
17094 Add use of static not_read information.
17096 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17098 Introduce TLS descriptors for i386 and x86_64.
17099 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17100 (TARGET_ANY_GNU_TLS): New macro.
17101 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17102 (struct machine_function): Add tls_descriptor_call_expanded_p.
17103 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17104 (ix86_current_function_calls_tls_descriptor): Likewise.
17105 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17106 (override_options): Introduce gnu2 tls dialect.
17107 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17109 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17111 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17112 (ix86_init_machine_status): Initialize new field.
17113 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17114 (ix86_tls_module_base): New.
17115 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17116 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17117 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17118 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17119 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17120 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17121 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17122 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17123 * config/i386/predicates.md (tls_modbase_operand): New.
17124 (tp_or_register_operand): New.
17126 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17128 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17129 (look_for_address_of): Ditto.
17130 (ipa_init): Walk the function decls.
17131 (static_execute): Don't set readonly on FUNCTION_DECL's.
17133 2006-01-18 Roger Sayle <roger@eyesopen.com>
17135 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17136 for shifts where the source and destination registers are different.
17138 2006-01-18 Paul Brook <paul@codesourcery.com>
17140 Merge from csl-arm-branch.
17141 2005-03-14 Julian Brown <julian@codesourcery.com>
17142 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17143 (aeabi_llsl): Likewise.
17144 (ashrdi3): Likewise.
17145 (aeabi_lasr): Likewise.
17146 (lshrdi3): Likewise.
17147 (aeabi_llsr): Likewise.
17148 2005-03-10 Julian Brown <julian@codesourcery.com>
17149 * config.gcc: Disable shared libgcc for SymbianOS.
17150 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17152 2006-01-18 DJ Delorie <dj@redhat.com>
17154 * c-pragma.c (handle_pragma_diagnostic): New.
17155 (init_pragma): Register it.
17156 * doc/extend.texi: Document it.
17158 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17159 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17160 (diagnostic_context): Add classify_diagnostic[].
17161 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17162 as errors if they're overridden to DK_WARNING.
17163 (diagnostic_initialize): Initialize classify_diagnostic[].
17164 (diagnostic_set_kind_override): New.
17165 (diagnostic_report_diagnostic): Check for kind changes.
17166 * opts.c (common_handle_option): Take lang_mask. Update callers.
17167 Handle OPT_Werror_.
17168 * common.opt (Werror=): New.
17169 * doc/invoke.texi: Document -Werror=*
17171 2006-01-18 Jeff Law <law@redhat.com>
17173 * tree-vrp.c (test_for_singularity): Correct test for new
17174 min limit. Use operand_equal_p rather than pointer equality
17175 for testing if new min/max values are equal.
17177 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17178 using range information until after propagation and folding.
17180 2006-01-18 Richard Henderson <rth@redhat.com>
17181 Aldy Hernandez <aldyh@redhat.com>
17182 Jakub Jelinek <jakub@redhat.com>
17183 Diego Novillo <dnovillo@redhat.com>
17185 * omp-low.c: New file.
17186 * c-omp.c: New file.
17188 2006-01-18 Richard Henderson <rth@redhat.com>
17189 Jakub Jelinek <jakub@redhat.com>
17190 Diego Novillo <dnovillo@redhat.com>
17192 * doc/invoke.texi: Document -fopenmp.
17193 * tree-dump.h (debug_function): Declare.
17194 * hooks.c (hook_bool_tree_bool_false): New function.
17195 (hook_tree_tree_null): Remove.
17196 (hook_tree_tree_tree_null): New.
17197 * hooks.h: Update to match.
17198 * tree-pretty-print.c (debug_tree_chain): New.
17199 (print_generic_expr): Handle TDF_CHAIN.
17200 (dump_generic_node): Handle BLOCK.
17201 Do not abort with incomplete SWITCH_EXPRs.
17202 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17203 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17204 print space after directive name.
17205 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17206 Handle OMP_MASTER and OMP_ORDERED.
17207 Handle printing of OMP_BODY just in one place, goto
17208 dump_omp_body in the rest of OMP_* nodes that have
17210 Don't handle clause nodes here. Update omp statements to
17211 use dump_omp_clauses.
17212 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17213 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17214 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17215 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17216 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17217 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17218 Adjust output for GOMP_PARALLEL.
17219 (dump_omp_clauses): New.
17220 (print_declaration): Dump DECL_VALUE_EXPR.
17221 (op_symbol_1): Split out of op_symbol.
17222 (dumping_stmts): Remove. Update all users.
17223 * cgraph.c (cgraph_analyze_queue): New.
17224 (cgraph_add_new_function): New.
17225 * cgraph.h (cgraph_analyze_queue): Declare.
17226 (cgraph_add_new_function): Declare.
17227 (cgraph_lower_function): Remove.
17228 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17229 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17230 and TYPE_P nodes in its default clause.
17231 (empty_body_p): New.
17232 (tree_range_check_failed): New.
17233 (build5_stat): New.
17234 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17235 OMP_CLAUSE_REDUCTION_MERGE,
17236 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17237 OMP_CLAUSE_PRIVATE_DEBUG,
17238 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17239 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17240 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17241 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17242 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17243 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17244 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17245 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17246 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17247 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17248 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17249 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17250 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17251 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17252 (TREE_RANGE_CHECK): New.
17253 (empty_body_p): Declare.
17254 (enum omp_clause_default_kind): New.
17255 (build_string_literal): Declare.
17256 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17257 (build5_stat, build5): Declare.
17258 * tree-pass.h (TDF_CHAIN): Define.
17259 * tree-pass.h (PROP_gimple_lomp): Define.
17260 (pass_lower_omp): Declare.
17261 * diagnostic.h (debug_tree_chain): Declare.
17262 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17264 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17265 * builtins.c (build_string_literal): Make extern.
17266 * gcc.c (include_spec_function): New.
17267 (static_spec_functions): Add it.
17268 (main): Move load of libgomp.spec ...
17269 (LINK_COMMAND_SPEC): ... here.
17270 (link_gomp_spec): New.
17271 (static_specs): Include it.
17272 (LINK_COMMAND_SPEC): Add link_gomp.
17273 (GOMP_SELF_SPECS): New.
17274 (driver_self_specs): Include it.
17275 (switch_matches): Don't mark inline.
17276 (main): Load libgomp.spec.
17277 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17278 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17279 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17280 * tree-gimple.h (enum omp_parallel): Declare.
17281 (determine_parallel_type): Declare.
17282 (omp_firstprivatize_variable): Declare.
17283 (omp_reduction_init): Declare.
17284 (diagnose_omp_structured_block_errors): Declare.
17285 (struct walk_stmt_info): Add want_return_expr.
17286 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17287 (find_omp_clause): Declare.
17288 (insert_field_into_struct): Declare.
17289 (struct walk_stmt_info): Move from tree-nested.c
17290 (walk_stmts): Declare.
17291 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17293 * cgraphunit.c (cgraph_lower_function): Make static.
17294 (cgraph_finalize_pending_functions): New.
17295 (cgraph_finalize_function): Call it.
17296 (cgraph_finalize_compilation_unit): Likewise.
17297 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17298 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17299 (BT_FN_UINT_UINT): New.
17300 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17301 DEF_FUNCTION_TYPE_VAR_4): Document.
17302 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17303 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17304 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17305 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17306 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17307 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17308 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17309 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17310 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17311 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17312 into separate files.
17313 (DEF_GOMP_BUILTIN): New.
17314 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17315 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17316 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17317 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17318 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17319 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17320 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17321 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17322 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17323 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17324 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17325 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17326 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17327 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17328 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17329 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17330 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17331 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17332 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17333 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17334 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17335 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17336 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17337 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17338 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17339 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17340 * sync-builtins.def: New file, moved from builtins.def.
17341 * omp-builtins.def: New file, moved from builtins.def.
17342 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17343 * gimple-low.c (lower_function_body): Clear data.
17344 (lower_stmt): Do not handle COMPOUND_EXPR.
17345 Remove call to print_node_brief.
17346 * c-tree.h (c_finish_omp_clauses): New prototype.
17347 (C_DECL_THREADPRIVATE_P): Define.
17348 (lookup_name_no_remap, c_omp_remap_private): Remove
17349 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17350 (check_for_loop_decls): Update decl.
17351 (lookup_name_no_remap, c_omp_remap_private): Declare.
17352 (build_indirect_ref, build_modify_expr, pushdecl,
17353 pushdecl_top_level): Move to c-common.h.
17354 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17355 before the switch, but just in the 2 places that need it.
17356 * c-decl.c (diagnose_mismatched_decls): Do not check for
17357 mismatched thread-local attributes when OLDDECL is marked
17358 threadprivate and NEWDECL has no thread-local attributes.
17359 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17360 (c_gimple_diagnostics_recursively): Rename from
17361 c_warn_unused_result_recursively. Invoke
17362 diagnose_omp_structured_block_errors.
17363 (check_for_loop_decls): Return a singular decl found.
17364 * langhooks.c (lhd_omp_predetermined_sharing): Return
17365 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17366 (lhd_omp_firstprivatize_type_sizes): New.
17367 (lhd_omp_assignment): New.
17368 (lhd_omp_predetermined_sharing): New.
17369 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17370 (struct lang_hooks_for_types): Add
17371 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17372 omp_predetermined_sharing, omp_disregard_value_expr,
17373 omp_private_debug_clause, omp_clause_default_ctor,
17374 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17375 (c_finish_omp_clauses): New.
17376 (c_finish_bc_stmt): Diagnose break within omp for.
17377 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17378 (build_unary_op): Return error_mark after reporting
17380 (build_modify_expr): Likewise.
17381 * gimplify.c: Include optabs.h and pointer-set.h.
17382 (enum gimplify_omp_var_data): Declare.
17383 (struct gimplify_omp_ctx): Declare.
17384 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17386 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17387 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17388 (splay_tree_compare_decl_uid): New.
17389 (new_omp_context): New.
17390 (delete_omp_context): New.
17391 (gimple_add_tmp_var): Call omp_add_variable.
17392 (gimplify_bind_expr): Likewise.
17393 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17394 true, disregard DECL_VALUE_EXPR on the decl if any.
17395 (gimplify_expr_in_ctx): New.
17396 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17397 omp_add_variable, omp_notice_variable, omp_is_private
17398 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17399 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17400 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17401 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17402 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17403 gimplify_omp_atomic): New.
17404 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17405 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17406 OMP_CRITICAL and OMP_ATOMIC.
17407 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17408 * c-pragma.h (enum pragma_kind): Add
17409 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17410 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17411 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17412 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17413 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17414 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17415 PRAGMA_OMP_THREADPRIVATE.
17416 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17417 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17418 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17419 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17420 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17421 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17422 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17423 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17424 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17425 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17426 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17427 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17428 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17430 (struct nesting_info): Add field_map,
17431 suppress_expansion, debug_var_chain.
17432 (create_nesting_tree): Initialize them.
17433 (lookup_field_for_decl): Use field_map.
17434 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17435 (convert_local_omp_clauses): New.
17436 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17437 (walk_body): Split out of walk_function.
17438 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17439 (convert_nonlocal_reference): Handle omp statements.
17440 (convert_local_reference): Likewise.
17441 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17442 (unnest_nesting_tree): New.
17443 (lower_nested_functions): Call it.
17444 (insert_field_into_struct): Make extern.
17445 (struct walk_stmt_info): Move to tree-gimple.h.
17446 (walk_stmts): Make extern.
17447 * omp-builtins.def: New file.
17448 * tree-iterator.c (expr_only): Clarify comment.
17449 * c-common.h (pushdecl_top_level, pushdecl,
17450 build_modify_expr, build_indirect_ref,
17451 c_finish_omp_master, c_finish_omp_critical,
17452 c_finish_omp_ordered, c_finish_omp_barrier,
17453 c_finish_omp_atomic, c_finish_omp_flush,
17454 c_finish_omp_for, c_split_parallel_clauses,
17455 omp_clause_default_kind, c_omp_sharing_predetermined,
17456 c_omp_remap_decl): Declare.
17457 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17458 (OBJS-common): Add omp-low.o.
17459 (c-omp.o, omp-low.o): Add.
17460 (gimplify.o): Add dependency on $(OPTABS_H).
17461 (GTFILES): Add omp-low.c.
17462 (gt-stringpool.h): Add.
17463 * tree-cfg.c (set_bb_for_stmt): Do not update the
17464 block-to-labels map if we are currently expanding to RTL.
17465 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17467 Handle IDENTIFIER_NODE.
17468 (tree_verify_flow_info): Do not ICE when emitting error
17469 messages about invalid labels.
17470 (dump_function_to_file): Reset CFUN before emitting the body
17472 (debug_function): New.
17473 * passes.c (init_optimization_passes): Schedule
17475 * langhooks-def.h (lhd_omp_predetermined_sharing,
17476 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17478 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17479 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17480 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17481 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17482 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17483 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17484 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17485 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17486 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17487 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17488 (LANG_HOOK_DECLS): Use them.
17490 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17491 Richard Henderson <rth@redhat.com>
17492 Jakub Jelinek <jakub@redhat.com>
17493 Diego Novillo <dnovillo@redhat.com>
17495 * c-parser.c (pragma_omp_clause): Define.
17496 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17497 (c_parser_compound_statement): Likewise.
17498 (c_parser_statement): Likewise.
17499 (c_parser_pragma): Handle omp pragmas.
17500 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17501 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17502 (c_parser_omp_clause_name, check_no_duplicate_clause,
17503 c_parser_omp_variable_list,
17504 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17505 c_parser_omp_clause_copyprivate,
17506 c_parser_omp_clause_default,
17507 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17508 c_parser_omp_clause_lastprivate,
17509 c_parser_omp_clause_nowait,
17510 c_parser_omp_clause_num_threads,
17511 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17512 c_parser_omp_clause_reduction,
17513 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17514 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17515 c_parser_omp_atomic, c_parser_omp_barrier,
17516 c_parser_omp_critical, c_parser_omp_flush,
17517 c_parser_omp_for_loop, c_parser_omp_for,
17518 c_parser_omp_master, c_parser_omp_ordered,
17519 c_parser_omp_sections_scope, c_parser_omp_sections,
17520 c_parser_omp_parallel, c_parser_omp_single,
17521 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17522 * c-pragma.c (init_pragma): Do omp pragma registration here.
17523 * c.opt (fopenmp): New flag.
17525 2006-01-18 Eric Christopher <echristo@apple.com>
17527 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17528 * config/darwin.h (GOMP_SELF_SPECS): Define.
17530 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17532 * rtl.h: Remove the prototype for reg_alloc.
17534 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17537 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17538 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17539 sjlj and dwarf2 exception handling.
17540 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17541 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17542 * pa/pa.c (function_value): Treat complex and vector types as
17544 (function_arg): Likewise. Only pass scalar floats in the floating
17545 point argument registers.
17546 * pa/t-slibgcc-dwarf-ver: New file.
17547 * pa/t-slibgcc-sjlj-ver: New file.
17548 * pa/t-slibgcc-elf-ver: Delete file.
17550 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17552 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17553 unlikely_test_section_p test.
17555 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17557 * mode-switching.c (optimize_mode_switching): Make it static.
17558 * basic-block.h: Remove the prototype for
17559 optimize_mode_switching.
17561 * modulo-sched.c (sms_schedule): Make it static.
17562 * rtl.h: Remove the prototype for sms_schedule.
17564 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17565 * rtl.h: Remove the prototype for gcse_after_reload_main.
17567 * reg-stack.c (reg_to_stack): Make it static.
17568 * rtl.h: Remove the prototype for reg_to_stack.
17570 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17572 * rtl.h: Remove the prototypes for regrename_optimize and
17573 copyprop_hardreg_forward.
17575 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17577 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17578 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17579 Test against the appropriate null constant for the mode.
17580 If 'fixup_overlap' is true, swap the operands if they overlap.
17581 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17582 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17583 alpha_split_tmode_pair and adjust for above change.
17584 * config/alpha/alpha.md (movtf_internal): Adjust call to
17585 alpha_split_tfmode_pair and rely on it to swap the operands.
17586 (movti_internal): New insn and post-reload splitter.
17587 (movti): New expander.
17589 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17591 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17594 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17596 * rtlanal.c (global_reg_mentioned_p_1,
17597 global_reg_mentioned_p): Remove.
17598 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17600 * flow.c (initialize_uninitialized_subregs): Make it static.
17601 * rtl.h: Remove the prototype for
17602 initialize_uninitialized_subregs.
17604 * function.c (instantiate_virtual_regs): Make it static.
17605 * function.h: Remove the prototype for
17606 instantiate_virtual_regs.
17608 * regmove.c (regmove_optimize, combine_stack_adjustments):
17610 * rtl.h: Remove the prototypes for regmove_optimize and
17611 combine_stack_adjustments.
17613 2006-01-17 Roger Sayle <roger@eyesopen.com>
17615 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17616 (size_cost): Encode costs in bytes so that a reg-reg addition is
17617 equivalent to COSTS_N_INSNS(1).
17618 (override_options): Use the size_cost.branch_cost as the default
17619 ix86_branch_cost when optimizing for size.
17621 2006-01-18 Ben Elliston <bje@au.ibm.com>
17623 * Makefile.in (D32PBIT_FUNCS): New.
17624 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17625 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17626 D64PBIT_FUNCS and D128PBIT_FUNCS.
17627 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17628 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17630 (decnumber_dep): Define.
17631 * doc/libgcc.texi (Decimal float library routines): New node.
17632 * config/dfp-bit.h, config/dfp-bit.c: New files.
17634 2006-01-18 Ben Elliston <bje@au.ibm.com>
17636 * expr.c (emit_move_change_mode): Always adjust addresses, not
17637 just during reload. Copy replacements only during reload.
17638 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17639 emit_move_via_integer.
17641 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17643 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17644 instead of $(srcdir) and ${srcdir}.
17646 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17649 PR middle-end/11135
17650 * arm.h (struct machine_function): Add pic_reg.
17651 * arm.c (arm_pic_register): Make unsigned.
17652 (arm_override_options): Only set arm_pic_register if
17653 TARGET_SINGLE_PIC_BASE.
17654 (use_return_insn): Only test for a pic register if it is fixed.
17655 (arm_compute_save_reg0_reg12_mask): Likewise.
17656 (thumb_compute_save_reg_mask): Likewise.
17657 (legitimate_pic_operand): Factor out some known invariants.
17658 (legitimize_pic_address): If we don't have a fixed pic register,
17659 then set up a pseudo in the function entry sequence. Handle the
17660 pic base being in a pseudo.
17661 (arm_load_pic_register): Handle the pic register being in a pseudo.
17662 (arm_expand_prologue): Only set up the pic register if it is fixed.
17663 (thumb_expand_prologue): Likewise.
17664 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17665 (pic_load_addr_based_insn): Likewise.
17666 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17669 2006-01-18 Ben Elliston <bje@au.ibm.com>
17671 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17672 decimal float modes for all floating point registers.
17674 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17675 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17677 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17680 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17681 even when the pointer is not NULL.
17683 2006-01-16 Ian Lance Taylor <ian@airs.com>
17685 * common.opt (ftoplevel-reorder): New option.
17686 * cgraph.c (cgraph_asm_nodes): New global variable.
17687 (cgraph_asm_last_node): New static variable.
17688 (cgraph_order): New global variable.
17689 (cgraph_create_node): Set new order field.
17690 (cgraph_varpool_node): Likewise.
17691 (decide_is_variable_needed): Return true if not
17692 flag_toplevel_reorder.
17693 (cgraph_add_asm_node): New function.
17694 * cgraph.h (struct cgraph_node): Add order field.
17695 (struct cgraph_varpool_node): Add order field.
17696 (struct cgraph_asm_node): Define.
17697 (cgraph_asm_nodes, cgraph_order): Declare.
17698 (cgraph_add_asm_node): Declare.
17699 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17701 (cgraph_varpool_assemble_pending_decls): Call it.
17702 (cgraph_output_pending_asms): New static function.
17703 (cgraph_finalize_compilation_unit): Call it.
17704 (struct cgraph_order_sort): Define.
17705 (cgraph_output_in_order): New static function.
17706 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17707 !flag_toplevel_reorder case.
17708 * c-parser.c: Include "cgraph.h".
17709 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17711 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17712 than -fno-unit-at-a-time.
17713 * doc/invoke.texi (Option Summary): Mention
17714 -fno-toplevel-reorder.
17715 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17716 -funit-at-a-time documentation.
17718 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17719 Kazu Hirata <kazu@codesourcery.com>
17721 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17723 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17725 * Makefile.in (FUNCTION_H): New. Use it instead of
17726 function.h throughout the file.
17727 * function.h: Include tree.h.
17729 2006-01-17 Ben Elliston <bje@au.ibm.com>
17731 * recog.c: Separate some functions with whitespace.
17733 2006-01-16 Richard Henderson <rth@redhat.com>
17735 Merge from gomp branch:
17736 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17737 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17738 and rename from struct inline_data. Rename callee* to dst*;
17739 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17740 transform_new_cfg, transform_return_to_modify, and
17741 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17743 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17744 (copy_decl_for_dup): Remove.
17745 * tree-inline.c (struct inline_data): Move to header.
17746 (insert_decl_map): Export.
17747 (remap_decl): Update for member name changes. Use copy_decl hook.
17748 Allow for replacement to be a non-decl. Remove dead code.
17749 (remap_type_1): Check for existing mapping.
17750 (remap_type): Export.
17751 (remap_decls): Update for member name changes.
17752 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17753 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17754 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17755 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17756 (tree_function_versioning, build_duplicate_type): Likewise.
17757 (copy_body_r): Likewise. Export.
17758 (copy_decl_for_dup): Split into ...
17759 (copy_decl_for_dup_finish, copy_decl_to_var,
17760 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17761 (replace_ref_tree, inlining_p): Remove.
17763 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17765 * ifcvt.c (if_convert): Make it static.
17766 * rtl.h: Remove the prototype for if_convert.
17768 * local-alloc.c (local_alloc): Make it static.
17769 * rtl.h: Remove the prototype for local_alloc.
17771 * loop.c (loop_optimize): Make it static.
17772 * cfgloop.h: Remove the prototype for loop_optimize.
17775 2006-01-16 DJ Delorie <dj@redhat.com>
17777 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17780 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17782 * pa.md: Disparage copies between general and floating-point registers
17783 in 32-bit move patterns.
17785 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17788 * Makefile.in (check-%): Depend on site.exp instead of
17789 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17792 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17794 * global.c (global_alloc): Make it static.
17795 * rtl.h: Remove the prototype for global_alloc.
17797 2006-01-16 Richard Guenther <rguenther@suse.de>
17799 * tree-ssa-alias.c (struct used_part): Add write_only field.
17800 (get_or_create_used_part_for): Initialize it to true.
17801 (create_overlap_variables_for): Don't create structure variables
17802 for structures that only are written to.
17803 (find_used_portions): Handle MODIFY_EXPR to track whether a
17804 structure is only written to.
17806 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17808 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17810 * basic-block.h: Remove the prototype for
17811 partition_hot_cold_basic_blocks.
17813 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17815 * cppspec.c (lang_specific_spec_functions): Remove.
17816 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17817 * gcc.h (lang_specific_spec_functions): Remove.
17818 * gccspec.c (lang_specific_spec_functions): Remove.
17820 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17822 * combine.c (record_value_for_reg): Invalidate registers
17824 (record_dead_and_set_regs_1): Likewise, by passing them to
17825 record_value_for_reg.
17826 (record_dead_and_set_regs): Invalidate stores made by a
17827 call. We do not combine across a call, but we still
17828 relied on equivalences.
17830 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17832 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17833 vrp_int_const_binop returning non-constant nodes.
17835 2006-01-16 Paul Brook <paul@codesourcery.com>
17837 * config/m68k/m68k.c (output_move_const_into_data_reg):
17838 Output correct mnemonic for mvz and mvs.
17840 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17842 * rtl-factoring.c: Add sequence abstraction algorithm.
17843 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17844 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17846 (block_has_preserve_label): New function.
17847 * common.opt: Register new pass.
17848 * Makefile.in: Ditto.
17850 * timevar.def: Ditto.
17851 * tree-pass.h: Ditto.
17852 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17853 * rtl.h (make_jump_insn_raw): Add forward decl.
17854 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17856 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17857 Roger Sayle <roger@eyesopen.com>
17859 * fold-const.c (fold_minmax): New static function.
17860 (fold_binary) <MIN_EXPR>: Call it.
17861 <MAX_EXPR>: Likewise.
17862 * stor-layout.c (place_field): Use DECL_SIZE consistently
17863 in the computation of the new record size.
17865 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17867 * cse.c (cse_condition_code_reg): Make it static.
17868 * rtl.h: Remove the prototype for cse_condition_code_reg.
17870 * combine.c (combine_instructions): Make it static.
17871 * rtl.h: Remove the prototype for combine_instructions.
17873 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17876 * tree.c (get_file_function_name_long): Concatenate the first global
17877 object name with a string derived from the input filename of the object
17880 2006-01-16 Ben Elliston <bje@au.ibm.com>
17882 * config/i386/winnt-stubs.c: Update FSF address.
17883 * config/xtensa/ieee754-df.S: Ditto.
17884 * config/xtensa/ieee754-sf.S: Ditto.
17886 2006-01-14 Ian Lance Taylor <ian@airs.com>
17888 * ifcvt.c (noce_init_if_info): New static function, broken out of
17889 noce_process_if_block.
17890 (noce_process_if_block): Call noce_init_if_info.
17891 (check_cond_move_block): New static function.
17892 (cond_move_process_if_block): New static function.
17893 (process_if_block): Call cond_move_process_if_block.
17895 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17897 * cselib.c (hash_table): Rename to cselib_hash_table.
17898 (cselib_clear_table, discard_useless_values,
17899 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17900 cselib_init, cselib_finish): Adjust uses of hash_table.
17902 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17904 PR tree-optimization/25485
17905 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17906 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17907 is known to be false and true, respectively.
17909 2006-01-14 Richard Guenther <rguenther@suse.de>
17911 PR tree-optimization/22548
17912 PR tree-optimization/22555
17913 PR tree-optimization/22501
17914 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17915 * params.def (salias-max-array-elements): New parameter.
17916 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17917 * doc/invoke.texi (salias-max-array-elements): Document.
17918 * tree-flow-inline.h (var_can_have_subvars): We also handle
17920 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17922 * tree-ssa-structalias.c (params.h): Include.
17923 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17924 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17925 (get_constraint_for): For ADDR_EXPR operating on something
17926 containing an ARRAY_REF, add all subvars to the solution.
17927 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17928 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17929 for creating MUST_DEFs.
17930 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17932 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17934 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17936 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17937 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17938 number_of_iterations_le): New functions.
17939 (number_of_iterations_special): Removed.
17940 (number_of_iterations_exit): Do not use number_of_iterations_special.
17941 * tree.c (unsigned_type_for): Always return integer type.
17943 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17944 Richard Guenther <rguenther@suse.de>
17946 PR rtl-optimization/24257
17947 * gcse.c (find_moveable_store): Only consider a store movable
17948 when the SET_SRC of the insn can be assigned to a register.
17950 2006-01-14 Ian Lance Taylor <ian@airs.com>
17952 * tree.c (tree_not_class_check_failed): New function.
17953 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17954 (tree_not_class_check_failed): Declare.
17956 2006-01-13 Ian Lance Taylor <ian@airs.com>
17958 * reload1.c (do_output_reload): Add assertion rejecting a
17961 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17963 * combine.c (struct reg_stat): Add new fields truncation_label and
17965 (record_value_for_reg): Reset truncated_to_mode.
17966 (record_truncated_value): New function.
17967 (check_promoted_subreg): Call it. Rename to check_conversions.
17968 (combine_instructions): Rename check_promoted_subreg to
17970 (reg_truncated_to_mode): New function.
17971 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17972 (gen_lowpart_or_truncate): New function.
17973 (force_to_mode): Use it instead of gen_lowpart.
17975 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17977 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17978 VAR is a tag, not its type tag.
17980 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17982 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17983 alternatives to match style of other entries.
17984 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17986 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17988 PR tree-optimization/25771
17989 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17992 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17995 * tree-inline.c (declare_return_variable): If the return variable
17996 was marked as a non gimple complex, set the return slot variable
17997 to be a non gimple comple variable.
17999 2006-01-13 Richard Guenther <rguenther@suse.de>
18001 * builtins.c (expand_builtin_sincos): New function.
18002 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18004 (expand_builtin): Expand sincos using expand_builtin_sincos.
18006 2006-01-12 DJ Delorie <dj@redhat.com>
18008 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18009 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18010 so that constant shifts can be split.
18011 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18012 (m32c_valid_pointer_mode): Make static.
18013 (shift_gen_func_for): New.
18014 (m32c_prepare_shift): Use it. Split large const shifts into
18016 * config/m32c/predicates.md (shiftcount_operand): Allow more
18018 (longshiftcount_operand): New.
18019 * doc/md.texi (Machine Constraints): Document In6.
18021 2006-01-13 Ben Elliston <bje@au.ibm.com>
18023 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18024 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18027 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18029 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18030 to try to avoid clobbering pieces of structures when we know
18031 something about the whole structure.
18032 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18034 2006-01-13 Ben Elliston <bje@au.ibm.com>
18036 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18037 return in memory, as this is no limitation is no longer present.
18039 2006-01-12 DJ Delorie <dj@redhat.com>
18041 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18042 mova with fb, and for fb+0 -> An.
18044 * config/m32c/mov.md (peephole2): Fix enabling logic.
18046 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18047 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18048 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18049 FINI_ARRAY_SECTION_ASM_OP): Define.
18051 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18053 (m32c_legitimize_reload_address): New logic to reload FB to An.
18054 (m32c_output_reg_push): Add newline.
18055 (m32c_output_reg_pop): Likewise.
18057 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18059 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18061 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18063 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18065 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18067 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18070 2006-01-11 Ben Elliston <bje@au.ibm.com>
18072 * rtlanal.c (find_reg_note): Assert insn is not null.
18074 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18076 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18079 2006-01-11 Jeff Law <law@redhat.com>
18081 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18083 (mark_threaded_blocks, register_jump_thread): New functions.
18084 (thread_through_all_blocks): Remove unwanted argument. No
18085 longer rely on e->aux to communicate thread target info.
18086 Call mark_threaded_blocks. Release the threaded_blocks
18087 bitmap and threaded_edges vector when complete.
18088 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18089 (threaded_blocks): Remove.
18090 (tree_ssa_dominator_optimize): Remove initialization and
18091 finalization of threaded_blocks. Simplify call to
18092 thread_through_all_blocks.
18093 (thread_across_edge): Call register_jump_thread rather than
18094 storing thread information into e->aux.
18095 (free_all_edge_infos): Simplify now that e->aux is no longer
18096 used to communicate with thread_through_all_blocks.
18097 * tree-flow.h (thread_through_all_blocks): Update prototype.
18098 (register_jump_thread): Prototype.
18100 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18102 * df-core.c (df_compact_blocks, df_bb_replace): Use
18103 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18105 2006-01-11 Richard Guenther <rguenther@suse.de>
18107 PR tree-optimization/25734
18108 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18109 stop propagation after successful propagation to the LHS.
18111 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18113 * basic-block.h (control_flow_graph): Change the type of
18114 x_basic_block_info to VEC(basic_block,gc) *.
18115 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18117 (SET_BASIC_BLOCK): New.
18118 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18119 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18120 * cfgbuild.c (find_basic_blocks): Likewise.
18121 * cfglayout.c (fixup_reorder_chain): Likewise.
18122 * cfgrtl.c (create_basic_block_structure,
18123 rtl_create_basic_block): Likewise.
18124 * ifcvt.c (find_if_case_1): Likewise.
18125 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18128 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18130 * Makefile.in: Removed rotted odf.c entry.
18132 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18135 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18136 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18137 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18138 output pattern modifier, not %e.
18139 * config/cris/cris.c (cris_op_str): Update comment about pattern
18141 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18142 before falling through into...
18143 <case 'E'>: Redefined from old 'e' case.
18145 2006-01-11 Jan Hubicka <jh@suse.cz>
18148 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18150 2006-01-11 Jan Hubicka <jh@suse.cz>
18152 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18153 * i386.c (x86_decompose_lea): Kill.
18154 (ix86_rtx_costs): Kill.
18156 2006-01-11 Jan Hubicka <jh@suse.cz>
18158 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18159 * cgraph.h (cgraph_node): Add inline_decl.
18160 (cgraph_insert_node_to_hashtable): Declare.
18161 (save_inline_function_body): Declare.
18162 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18164 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18165 (cgraph_function_versioning): Update call of tree_function_versioning.
18166 (save_inline_function_body): New function.
18167 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18168 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18169 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18170 (cgraph_default_inline_p): Likewise.
18171 (cgraph_decide_inlining_incrementally): Likewise.
18172 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18173 (copy_bb): Kill saving; do updating of clones.
18174 (copy_cfg_body): Kill saving.
18175 (initialize_inlined-parameters): Likewise.
18176 (expand_call_inline): Likewise.
18178 (tree_function_versioning): New parameter "update_clones".
18179 (inlining_p): Kill saving.
18180 * tree-inline.h (tree_function_versioning): Update prototype.
18181 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18184 2006-01-11 Ian Lance Taylor <ian@airs.com>
18186 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18187 Allow undoing set of machine mode.
18188 (do_SUBST): Use enums instead of is_int.
18189 (do_SUBST_MODE): New function.
18190 (SUBST_MODE): New macro.
18191 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18192 reg and trying to replace reg_regno_rtx with a new register.
18193 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18194 (simplify_set): Use SUBST_MODE.
18195 (distribute_notes): Remove code that tried to update reg notes
18196 for regno_reg_rtx changes.
18198 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18200 PR tree-optimization/23109
18201 PR tree-optimization/23948
18202 PR tree-optimization/24123
18204 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18205 * tree-cfg.c (single_noncomplex_succ): New.
18206 * tree-flow.h (single_noncomplex_succ): Declare it.
18207 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18208 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18209 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18210 insert_bb, register_division_in, insert_reciprocals,
18211 replace_reciprocal, free_bb): New.
18212 (execute_cse_reciprocals_1): Rewritten.
18213 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18214 Do not commit any edge insertion. Always compute dominators and
18215 create the allocation pool.
18216 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18217 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18218 * targhooks.c (default_min_divistions_for_recip_mul): New.
18219 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18220 * passes.c (init_optimization_passes): Run recip after tree loop
18222 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18224 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18225 Kenneth Zadeck <zadeck@naturalbridge.com>
18227 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18228 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18229 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18230 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18231 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18232 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18233 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18234 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18235 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18236 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18237 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18238 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18239 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18240 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18241 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18242 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18243 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18244 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18245 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18246 DF_SCAN_POST_ALLOC): New macros.
18247 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18248 df_free_bb_function, df_local_compute_function, df_init_function,
18249 df_dataflow_function, df_confluence_function_0,
18250 df_confluence_function_n, df_transfer_function,
18251 df_finalizer_function, df_free_function, df_dump_problem_function,
18252 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18253 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18254 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18255 df_urec_bb_info, ) New types.
18256 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18258 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18259 df_analyze_simple_change_some_blocks,
18260 df_analyze_simple_change_one_block, df_compact_blocks,
18261 df_bb_replace, df_bb_regno_last_use_find,
18262 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18263 df_insn_regno_def_p, df_find_def, df_find_use,
18264 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18265 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18266 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18267 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18268 debug_df_chain, df_get_dependent_problem, df_chain_create,
18269 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18270 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18271 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18272 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18273 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18274 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18275 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18276 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18277 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18278 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18279 df_reorganize_refs, df_set_state, df_hard_reg_init,
18280 df_read_modify_subreg_p) New public functions.
18281 * df-core.c: The core dataflow solver and glue routines for rtl
18283 (df_init, df_add_problem, df_set_blocks, df_finish,
18284 df_hybrid_search_forward, df_hybrid_search_backward,
18285 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18286 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18287 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18288 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18289 df_reg_defined, df_find_use, df_reg_used, df_dump,
18290 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18291 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18292 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18293 debug_df_useno, reset_df_after_reload): New functions.
18294 * df-scan.c: The scanning fuctions, once in df.c, completely
18295 rewritten so that they now fully model the functionality of
18296 register usage at the backend.
18297 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18298 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18299 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18300 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18301 df_get_artificial_defs, df_get_artificial_uses,
18302 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18303 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18304 df_refs_delete, df_reorganize_refs, df_set_state,
18305 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18306 df_def_record_1, df_defs_record, df_uses_record,
18307 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18308 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18309 df_record_exit_block_uses, df_hard_reg_init): New functions.
18311 * df-problems.c: Seven concrete dataflow problems that use the
18312 scanning in df-scan.c and are solved by the engine in df-core.c.
18313 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18314 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18315 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18316 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18317 df_ru_free_bb_info, df_ru_alloc,
18318 df_ru_bb_local_compute_process_def,
18319 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18320 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18321 df_ru_transfer_function, df_ru_free, df_ru_dump,
18322 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18323 df_rd_free_bb_info, df_rd_alloc,
18324 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18325 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18326 df_rd_transfer_function, df_rd_free, df_rd_dump,
18327 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18328 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18329 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18330 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18331 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18332 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18333 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18334 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18335 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18336 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18337 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18338 df_urec_mark_reg_use_for_earlyclobber,
18339 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18340 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18341 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18342 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18343 df_chain_create_bb_process_use, df_chain_create_bb,
18344 df_chain_finalize, df_chain_free, df_chains_dump,
18345 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18346 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18347 df_reg_lifetime): New functions.
18348 * df.c: Deleted file.
18349 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18350 consistent with new df api.
18351 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18352 rest_of_handle_sms): Ditto.
18353 * web.c (unionfind_union, union_defs, entry_register, web_main):
18355 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18356 invariant_expr_equal_p, find_defs, check_dependencies,
18357 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18358 free_inv_motion_data, move_loop_invariants): Ditto.
18359 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18360 Update dependencies.
18361 (odf.c): Added defective entry that was deleted later in day.
18362 * sched-deps.c (sched_analyze_1): Ditto.
18364 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18366 * tree-ssa-operands.c (get_expr_operands): Record addressable
18367 variables directly. Do not call add_stmt_operands for CONST_DECLs
18369 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18370 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18372 2006-01-11 Ben Elliston <bje@au.ibm.com>
18374 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18375 function returns true in the positive case.
18377 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18380 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18381 for SI, DI, SF and DF modes. Add alternatives to copy between
18382 general and floating point registers to the 32-bit patterns.
18383 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18384 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18385 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18386 generating 64-bit code.
18387 * config/pa/pa.c (output_move_double): Handle copies between general
18388 and floating registers.
18390 2006-01-10 Stuart Hastings <stuart@apple.com>
18392 * config/i386/i386.md (set_got): Update.
18393 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18394 (builtin_setjmp_receiver): Mach-O support.
18395 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18396 (GOT_SYMBOL_NAME): Define.
18397 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18398 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18399 * config/i386/i386.c (override_options): Revise for Darwin.
18400 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18401 support. (darwin_x86_file_end): New. (output_set_got): Add label
18402 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18403 * config/i386/i386-protos.h (output_set_got): Likewise.
18404 * config/darwin.c (machopic_legitimize_pic_address): Update
18407 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18409 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18410 when MODE isn't BLKmode.
18412 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18414 PR rtl-optimization/25367
18415 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18417 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18420 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18421 for a negative bound.
18423 2006-01-10 Richard Guenther <rguenther@suse.de>
18425 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18426 Never override with anything constraint.
18428 2006-01-10 Jan Beulich <jbeulich@novell.com>
18430 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18431 256 bits when optimize_size.
18433 2006-01-10 Jan Beulich <jbeulich@novell.com>
18435 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18437 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18438 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18441 2006-01-10 Ben Elliston <bje@au.ibm.com>
18443 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18445 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18446 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18447 (USE_FP_FOR_ARG): Reject decimal float modes.
18448 (function_arg_advance): Likewise.
18449 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18450 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18451 point types in AltiVec vectors.
18452 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18453 (rs6000_libcall_value): Likewise.
18455 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18457 * config/xtensa/ieee754-df.S: New file.
18458 * config/xtensa/ieee754-sf.S: New file.
18459 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18460 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18461 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18463 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18465 * config/sh/predicates.md (binary_float_operator,
18466 binary_logical_operator, commutative_float_operator,
18467 equality_comparison_operator, greater_comparison_operator,
18468 less_comparison_operator, logical_operator,
18469 noncommutative_float_operator, shift_operator,
18470 symbol_ref_operand, unary_float_operator): Remove redundant
18473 2006-01-09 Jeff Law <law@redhat.com>
18475 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18476 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18477 now unused arguments. Callers updated.
18478 (eliminate_redundant_computations): Remove now unused arguments,
18480 (local_fold): Remove, no longer used.
18481 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18483 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18484 (simplify_cond): New function.
18485 (forward_propagate_into_cond): Call simplify_cond.
18487 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18489 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18490 (*vec_extractv2di_1_sse): New.
18492 2006-01-09 Ben Elliston <bje@au.ibm.com>
18494 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18496 2006-01-08 Richard Guenther <rguenther@suse.de>
18498 * tree-ssa-structalias.c (get_constraint_for): Remove
18499 anyoffset argument.
18500 (get_constraint_for_component_ref): Likewise.
18501 (do_deref): Likewise.
18502 (get_constraint_for): Likewise.
18503 (do_structure_copy): Likewise.
18504 (handle_ptr_arith): Likewise.
18505 (find_func_aliases): Likewise. Remove unused need_anyoffset
18508 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18509 Kaz Kojima <kkojima@gcc.gnu.org>
18511 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18512 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18513 (EXTRA_CONSTRAINT_C16): Remove.
18514 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18515 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18516 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18517 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18518 constants of SHmedia. Handle nested constant expressions of
18520 (andcosts): Fix the costs for SHmedia constants.
18521 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18522 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18523 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18524 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18525 (movv4hi_i, movv2si_i): Likewise.
18526 (movsi_const): Adjust the second operand of ior so to match with
18527 the Csu constraint.
18528 (movdi_const, movdi_const_32bit): Likewise.
18529 (movdi_const_16bit+1): Don't sign-extend LOW.
18530 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18532 (*double_shori): Fix the split condition. Use GEN_INT instead
18533 of get_int_mode calls. Mask lower 16-bit of the argument of
18535 (sym2GOTPLT): Remove.
18536 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18538 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18539 instead of EXTRA_CONSTRAINT_C16.
18541 2006-01-07 Ian Lance Taylor <ian@airs.com>
18542 David Edelsohn <edelsohn@gnu.org>
18544 PR rtl-optimization/25662
18545 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18546 for constant operands instead of simplify_gen_binary.
18547 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18548 after trying simplify_binary_operation
18550 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18552 * tree.c (iterative_hash_expr): Hash decls based on UID.
18554 2006-01-06 Eric Christopher <echristo@apple.com>
18556 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18557 (TARGET_UNWIND_EMIT): Fix spelling.
18558 * target.h (gcc_target): Add except_table_label.
18559 * except.c (output_function_exception_table): Use.
18560 * varasm.c (default_emit_except_table_label): New.
18561 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18563 (asm_out): Add here.
18564 * output.h (default_emit_except_table_label): Prototype.
18565 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18566 * config/darwin.c (darwin_emit_except_table_label): Define.
18567 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18569 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18571 PR tree-optimization/18527
18572 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18573 number_of_iterations_special, number_of_iterations_exit):
18574 Move base and step of an iv to a single structure. Add
18575 no_overflow flag, and use it in # of iterations analysis.
18576 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18577 folded_casts argument.
18578 (simple_iv): Pass base and step in a structure. Set no_overflow
18580 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18581 Evaluate expensiveness of computing # of iterations instead of
18582 the final expression.
18583 * tree-scalar-evolution.h (affine_iv): New structure.
18584 (simple_iv): Declaration changed.
18585 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18586 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18587 find_givs_in_stmt): Changed due to simple_iv change.
18589 2006-01-06 Jeff Law <law@redhat.com>
18592 * tree-cfg.c (bsi_replace): Rename final argument from
18593 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18594 change (stmt -> orig_stmt).
18595 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18596 (bsi_remove): Add new argument. Remove EH information
18598 (verify_eh_throw_table_statements): New function.
18599 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18601 * tree-optimize.c (execute_free_cfg_annotations): Verify
18602 the EH throw statement table after removing annotations.
18603 * except.h (verify_eh_throw_table_statements): Prototype.
18604 * tree-flow.h (bsi_remove): Update prototype.
18605 * tree-vrp.c (remove_range_assertions): Add new argument to
18607 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18608 * tree-complex.c (expand_complex_div_wide): Likewise.
18609 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18610 * tree-tailcall.c (eliminate_tailcall): Likewise.
18611 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18612 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18613 * tree-nrv.c (tree_nrv): Likewise.
18614 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18615 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18616 (combine_blocks): Likewise.
18617 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18618 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18619 (cleanup_control_flow): Likewise.
18620 (remove_forwarder_block): Likewise.
18621 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18622 * tree-sra.c (sra_replace): Likewise.
18623 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18624 (forward_propagate_single_use_vars): Likewise.
18625 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18626 * tree-inline.c (expand_call_inline): Likewise.
18627 * tree-vect-transform.c (vect_transform_loop): Likewise.
18628 * tree-outof-ssa.c (rewrite_trees): Likewise.
18629 * tree-cfg.c (make_goto_expr_edges): Likewise.
18630 (cleanup_dead_labels): Likewise.
18631 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18632 (bsi_move_before, bsi_move_after): Likewise.
18633 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18634 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18636 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18639 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18641 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18642 on non gimple variables. Also add checks at the top for decls and
18644 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18646 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18647 and IMAGPART_EXPR for creating MUST_DEFs.
18648 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18649 and NAME_MEMORY_TAG separately from the DECLs.
18651 2006-01-06 Richard Guenther <rguenther@suse.de>
18653 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18654 annotation, if necessary.
18655 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18656 redundant calls to update_stmt.
18657 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18660 2006-01-05 Richard Henderson <rth@redhat.com>
18662 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18664 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18666 * c-typeck.c: Update copyright date.
18668 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18670 * c-typeck.c (build_c_cast): Always warn when casting
18671 from a pointer to an integer of different size, even if
18672 the node was constant.
18674 2006-01-05 Richard Guenther <rguenther@suse.de>
18676 PR tree-optimization/22555
18677 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18678 if one structure field is an array.
18679 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18680 operands even if we found a subvar, but ignore VOPs in this
18682 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18684 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18686 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18688 PR middle-end/24998
18689 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18691 2006-01-05 Richard Guenther <rguenther@suse.de>
18692 Diego Novillo <dnovillo@redhat.com>
18694 * tree-pass.h (TODO_remove_unused_locals): Define.
18695 * gimple-low.c (expand_var_p, remove_useless_vars,
18696 pass_remove_useless_vars): Remove. Update all users.
18697 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18698 (remove_unused_locals): New function.
18699 * tree-flow.h (remove_unused_locals): Declare.
18700 * passes.c (execute_todo): Call remove_unused_locals if
18701 TODO_remove_unused_locals is set.
18702 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18703 * tree-ssa-dce.c (pass_dce): Likewise.
18704 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18706 2006-01-05 Richard Guenther <rguenther@suse.de>
18708 * tree-flow.h (struct fieldoff): Decompose field to
18709 type, size and decl.
18710 * tree-ssa-alias.c (create_sft): Take type as parameter.
18711 (create_overlap_variables_for): Store type, size and decl
18712 in the fieldoff structure.
18713 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18714 of struct fieldoff.
18715 (push_fields_onto_fieldstack): Likewise.
18716 (create_variable_info_for): Likewise. Use offset for the
18717 SFT name if the decl is not available.
18719 2006-01-04 Paul Brook <paul@codesourcery.com>
18721 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18723 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18725 * lambda-code.c (can_put_in_inner_loop): Relax
18727 (can_put_after_inner_loop): New function.
18728 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18729 (perfect_nestify): Change to make copies and modify uses.
18731 2006-01-04 Richard Henderson <rth@redhat.com>
18733 Merge from gomp branch:
18734 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18735 via integer constant.
18736 (pragma_lex): Remove.
18737 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18738 rather than parsing it.
18739 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18740 handle_pragma_extern_prefix): Add %< %> quotes.
18741 (registered_pragmas): New.
18742 (c_register_pragma_1): New.
18743 (c_register_pragma): Use it.
18744 (c_register_pragma_with_expansion): Likewise.
18745 (c_invoke_pragma_handler): New.
18746 (init_pragma): Use cpp_register_deferred_pragma directly for
18748 * c-pragma.h (enum pragma_kind): New.
18749 (pragma_handler): New.
18750 (c_invoke_pragma_handler): Declare.
18751 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18753 * c-common.h (c_common_pch_pragma): Update decl.
18754 * Makefile.in (c-parser.o): Update dependencies.
18755 (GTFILES): Add c-pragma.h.
18756 * c-parser.c (struct c_token): Add pragma_kind.
18757 (struct c_parser): Add in_pragma.
18758 (c_lex_one_token): Always initialize keyword and pragma_kind.
18759 Extract data for CPP_PRAGMA.
18760 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18761 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18762 Don't allow CPP_PRAGMA_EOL if in_pragma.
18763 (c_parser_consume_pragma): New.
18764 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18765 (c_parser_skip_to_end_of_parameter): Likewise.
18766 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18767 (c_parser_skip_to_pragma_eol): New.
18768 (c_parser_external_declaration): Handle CPP_PRAGMA.
18769 (c_parser_compound_statement_nostart): Likewise.
18770 (c_parser_statement_after_labels): Likewise.
18771 (c_parser_pragma): New.
18772 (pragma_lex): Likewise.
18773 (c_parser_pragma_pch_preprocess): New.
18774 (c_parser_new): Merge into ...
18775 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18777 2006-01-04 Jeff Law <law@redhat.com>
18780 * tree-cfg.c (bsi_replace): Remove the original statement
18781 from the EH throw statement table.
18783 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18785 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18786 make the prototype extern "C" and add throw ().
18789 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18790 and pos non-negative and pos + len <= 32.
18791 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18792 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18793 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18796 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18797 as well as sizes not multiple of component size.
18800 * function.c (instantiate_expr): New function.
18801 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18802 walk its DECL_VALUE_EXPR with instantiate_expr.
18804 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18805 DW_OP_deref{,_size} if address isn't going to be added.
18807 2006-01-04 Ben Elliston <bje@au.ibm.com>
18809 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18810 * config/fp-bit.c: Likewise.
18812 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18814 * dominance.c: Add comment about why we use DFS numbering
18817 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18818 Richard Henderson <rth@redhat.com>
18820 Merge from gomp-branch:
18821 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18822 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18824 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18826 PR rtl-optimization/25578
18827 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18828 pass a parameter to simplify_shift_const if changing ASHIFTRT
18831 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18833 * builtins.c (get_builtin_sync_mem): New function.
18834 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18835 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18836 Call get_builtin_sync_mem to generate mem rtx.
18838 2006-01-03 Richard Guenther <rguenther@suse.de>
18841 * stmt.c (add_case_node): Make sure to clear overflow flags
18844 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18846 Merge from gomp-branch.
18847 * config/sparc/sync.md: New file.
18848 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18849 UNSPECV_LDSTUB): New constants.
18850 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18851 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18852 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18855 2006-01-03 Roger Sayle <roger@eyesopen.com>
18857 * combine.c (reg_subword_p): New predicate to test whether the
18858 destination of a set refers to a subword/piece of a register.
18859 (try_combine): Generalize the code to merge the setting of a
18860 pseudo to a constant followed by a set of a subword of that
18861 register to a constant.
18863 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18865 * basic-block.h (control_flow_graph): Change the type of
18866 x_label_to_block_map to VEC(basic_block,gc) *.
18867 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18868 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18870 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18871 VEC(basic_block,heap) *.
18872 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18873 ssa_prop_fini): Adjust the uses of cfg_blocks.
18875 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18877 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18879 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18880 hashing trees instead of a pointer hash.
18881 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18882 compare for MEM_EXPR.
18884 PR rtl-optimization/25130
18885 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18886 when comparing MEMs for GCSE
18888 2006-01-03 Ben Elliston <bje@au.ibm.com>
18890 * targhooks.h (default_decimal_float_supported_p): Declare.
18891 * targhooks.c (default_decimal_float_supported_p): Define.
18892 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18893 `default_decimal_float_supported_p'.
18894 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18896 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18898 * combine.c (apply_distributive_law <SUBREG>): Check
18899 TRULY_NOOP_TRUNCATION.
18901 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18903 * dwarf2out.c (have_switched_text_section): Delete.
18904 (have_multiple_function_sections): New.
18905 (have_location_lists): Make 'bool'.
18906 (add_AT_loc_list): Use 'true' not '1'.
18907 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18908 (output_loc_list): Use have_multiple_function_sections.
18909 (output_ranges): Likewise.
18910 (dwarf2out_begin_function): Set have_multiple_function_sections if
18912 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18913 Check function_section rather than DECL_SECTION_NAME.
18914 (dwarf2out_finish): Use have_multiple_function_sections.
18915 Don't clear have_location_lists.
18917 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18918 Jan Hubicka <jh@suse.cz>
18920 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18921 case of conditional jump jumping to the next instruction.
18922 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18923 cases of conditional jump jumping to the next instruction.
18925 2006-01-02 Jan Hubicka <jh@suse.cz>
18927 * i386.c (*_cost): Add COSTS_N_INSNS.
18928 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18930 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18933 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18935 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18937 * config/arm/arm.c (all_fpus): Fix comment typo.
18938 * config/darwin.c: Likewise.
18939 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18940 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18941 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18943 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18945 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18946 (rs6000_split_compare_and_swapqhi): New.
18947 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18948 (sync_compare_and_swapqhi_internal): New.
18949 * config/rs6000/rs6000-protos.h: Declare.