1 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
5 2006-11-17 Bob Wilson <bob.wilson@acm.org>
7 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9 2006-11-17 Bob Wilson <bob.wilson@acm.org>
11 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
13 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
15 * tree-vrp.c (execute_vrp): Do not update current_loops.
16 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
17 * doc/loop.texi: Remove documentation for cancelled functions.
18 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
19 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
21 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
22 (remove_path): Ensure that in delete_basic_blocks, the loops
24 (add_loop): Work on valid loop structures.
25 (loopify): Modify call of add_loop.
26 (mfb_update_loops): Removed.
27 (create_preheader): Do not update loops explicitly.
28 (force_single_succ_latches, loop_version): Do not use
30 (loop_split_edge_with): Removed.
31 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
32 Do not use bsi_insert_on_edge_immediate_loop.
33 (split_loop_exit_edge, tree_unroll_loop): Do not use
35 (bsi_insert_on_edge_immediate_loop): Removed.
36 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
37 use loop_split_edge_with.
38 * cfghooks.c: Include cfgloop.h.
39 (verify_flow_info): Verify that loop_father is filled iff current_loops
41 (redirect_edge_and_branch_force, split_block, delete_basic_block,
42 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
44 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
46 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
48 (sms_schedule): Use current_loops.
49 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
50 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
52 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
53 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
54 * ifcvt.c (if_convert): Ditto.
55 * predict.c (predict_loops): Do not clear current_loops.
56 (tree_estimate_probability): Use current_loops.
57 (propagate_freq): Receive head of the region to propagate instead of
59 (estimate_loops_at_level): Do not use shared to_visit bitmap.
60 (estimate_loops): New function. Handle case current_loops == NULL.
61 (estimate_bb_frequencies): Do not allocate tovisit. Use
63 * tree-ssa-loop.c (current_loops): Removed.
64 (tree_loop_optimizer_init): Do not return loops.
65 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
66 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
67 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
68 Do not update loops explicitly.
69 * function.h (struct function): Add x_current_loops field.
70 (current_loops): New macro.
71 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
72 * loop-unroll.c (split_edge_and_insert): New function.
73 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
74 use loop_split_edge_with.
75 * loop-doloop.c (add_test, doloop_modify): Ditto.
76 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
77 * cfglayout.c (copy_bbs): Do not update loops explicitly.
78 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
79 * tree-vect-transform.c (vect_transform_loop): Do not update loops
81 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
82 (flow_loops_free): Do not free dfs_order and rc_order.
83 (flow_loops_find): Do not set dfs_order and rc_order in loops
84 structure. Do not call loops and flow info verification.
85 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
86 already belongs to some loop.
87 * cfgloop.h (struct loops): Remove struct cfg.
88 (current_loops, loop_split_edge_with): Declaration removed.
89 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
90 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
92 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
93 * basic-block.h (split_edge_and_insert): Declare.
94 * tree-cfg.c (remove_bb): Do not update loops explicitly.
96 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
98 PR tree-optimization/29801
99 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
100 (get_default_value): Use get_symbol_constant_value.
101 (set_lattice_value): ICE when the value of the constant is
103 (visit_assignment): Ignore VDEFs of read-only variables.
105 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
107 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
109 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
110 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
112 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
114 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
115 select subvars of var.
117 2006-11-17 Jakub Jelinek <jakub@redhat.com>
120 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
121 optimize if DEF doesn't have integral type.
123 2006-11-16 Mike Stump <mrs@apple.com>
125 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
126 pre-darwin9 system, unless the user asks for it directly.
127 (PREFERRED_DEBUGGING_TYPE): Likewise.
128 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
129 * config.gcc: Add suppport for darwin9.h.
130 * config/darwin9.h: Add.
131 * doc/install.texi (Specific): Clarify darwin documentation.
133 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
135 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
138 2006-11-16 Mike Stump <mrs@apple.com>
140 * Makefile.in (targhooks.o): Add $(OPTABS_H).
142 2006-11-16 Dirk Mueller <dmueller@suse.de>
144 * tree-vrp.c (get_value_range): Use XCNEW instead
146 (insert_range_assertions): Use XCNEWVEC instead
147 of XNEWVEC and memset.
148 (vrp_initialize): Same.
149 (vrp_finalize): Same.
150 * tree-ssa-ccp.c (ccp_initialize): Same.
151 * predict.c (tree_bb_level_predictions): Same.
152 * calls.c (expand_call): Same.
153 * tree-ssa-copy.c (init_copy_prop): Same.
154 (fini_copy_prop): Same.
155 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
156 of GGC_NEW and memset.
158 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
161 * gimplify.c (gimplify_expr): Only force a load for references to
162 non-BLKmode volatile values.
163 * doc/implement-c.texi (Qualifiers implementation): Document the
164 interpretation of what a volatile access is.
165 * doc/extend.texi (C++ Extensions): Rework same documentation.
167 2006-11-16 Joseph Myers <joseph@codesourcery.com>
169 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
172 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
174 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
176 (arm_neg_abssi2): Renamed from neg_abssi2.
177 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
179 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
181 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
182 number of arguments passed to local functions in SSE registers is 3.
184 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
185 number of arguments passed in SSE registers to 3.
187 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
190 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
192 (get_last_bb_insn): ... new global function.
193 (basic_block.h): Declare it.
194 * haifa-sched.c (create_recovery_block): Use it.
196 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
199 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
201 2006-11-15 Paul Brook <paul@codesourcery.com>
203 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
204 _Unwind_GetTextRelBase): Move from here ...
205 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
206 _Unwind_GetTextRelBase): ... To here.
208 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
210 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
211 addresses we generate for testing are aligned.
213 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
216 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
217 to what is the const decl is a place holder for.
219 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
221 * config/i386/i386.opt: New target option -mx87regparm.
223 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
224 and float_in_x87 variables. mmx_words, sse_words: Remove.
225 (X87_REGPARM_MAX): Define.
227 * config/i386/i386.c (override_options): Error out for
228 -mx87regparm but no 80387 support.
229 (ix86_attribute_table): Add x87regparm.
230 (ix86_handle_cconv_attribute): Update comments for x87regparm.
231 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
232 (ix86_function_x87regparm): New function.
233 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
235 (init_cumulative_args): Initialize x87_nregs and float_in_x87
237 (function_arg_advance): Process x87_nregs and x87_regno when
238 floating point argument is to be passed in 80387 register.
239 (function_arg): Pass XFmode arguments in 80387 registers for local
240 functions. Pass SFmode and DFmode arguments to local functions
241 in 80387 registers when flag_unsafe_math_optimizations is set.
243 * reg-stack.c (convert_regs_entry): Disable NaN load for
244 stack registers that are used for argument passing.
246 * doc/extend.texi: Document x87regparm function attribute.
247 * doc/invoke.texi: Document -mx87regparm.
249 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
251 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
252 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
253 arg MODE; all callers changed. Use it to determine validity per
254 machine mode instead of using Pmode for all memory references.
255 (get_address_cost): Likewise add and use new arg MEM_MODE.
257 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
258 J"orn Rennecke <joern.rennecke@st.com>
260 * combine.c (likely_spilled_retval_1): Fix masking operation.
261 (likely_spilled_retval_p): Use proper pattern for call to
262 likely_spilled_retval_1.
264 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
266 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
268 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
269 that tests for CONSTANT_POOL_ADDRESS_P.
271 2006-11-15 Jakub Jelinek <jakub@redhat.com>
273 PR tree-optimization/29581
274 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
275 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
276 type is different between Y and USE, create a temporary
277 variable, initialize it at the beginning of the body bb
278 and use it as replacement instead of Y.
280 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
283 * gimplify.c (fold_indirect_ref_rhs): Use
284 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
286 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
288 * expmed.c (emit_store_flag_1): New function.
289 (emit_store_flag): Call it. If we can't find a suitable scc insn,
291 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
292 Use do_compare_rtx_and_jump.
293 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
294 * arm.md (cstoresi4): New define_expand.
295 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
296 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
297 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
299 2006-11-14 Caroline Tice <ctice@apple.com>
301 * dwarf2out.c (debug_pubtypes_section): New static global variable.
302 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
304 (pubname_table): Redefine as a vector.
305 (pubtype_table): New static global variable, defined as a vector.
306 (pubname_table_allocated): Remove static global variable.
307 (pubname_table_in_use): Remove static global variable.
308 (PUBNAME_TABLE_INCREMENT): Remove constant.
309 (size_of_pubnames): Add parameter to deal with either pubnames or
310 pubtypes, and change code to deal with table being a vector.
311 (add_pubname): Change to deal with table being a vector.
312 (add_pubtype): New function.
313 (output_pubnames): Add parameter to deal with either pubnames or
314 pubtypes, and change code to deal with table being a vector.
315 (gen_array_type_die): Add call to add_pubtype.
316 (gen_enumeration_type_die): Add call to add_pubtype.
317 (gen_struct_or_union_type_die): Add call to add_pubtype.
318 (gen_subroutine_type_die): Add call to add_pubtype.
319 (gen_typedef_die): Add call to add_pubtype.
320 (dwarf2out_init): Add code to initialize pubname_table and
321 pubtype_table vectors; also initialize debug_pubtypes_section.
322 (prune_unused_types): Change to deal with pubnames being a vector.
323 (dwarf2out_finish): Change to deal with pubnames being a vector; add
324 pubnames table to call to output_pubnames; Add code to output pubtypes
325 table if DEBUG_PUBTYPES_SECTION is defined.
326 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
328 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
330 2006-11-14 Joseph Myers <joseph@codesourcery.com>
332 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
333 iwmmxt_nregs if TARGET_IWMMXT_ABI.
334 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
335 movv2si_internal): Support moves between core registers.
337 2006-11-14 Eric Christopher <echristo@apple.com>
339 * configure: Regenerate with autoconf 2.59.
341 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
343 Fix PR tree-optimization/27755
345 * tree-ssa-pre.c: Update comments.
346 (bb_bitmap_sets): Add pa_in and deferred member.
347 (BB_DEFERRED): New macro.
348 (maximal_set): New variable.
349 (pre_stats): Add pa_insert member.
350 (bitmap_set_and): Short circuit orig == dest.
351 (bitmap_set_subtract_values): New function.
352 (bitmap_set_contains_expr): Ditto.
353 (translate_vuses_through_block): Add phiblock argument.
354 (dependent_clean): New function.
355 (compute_antic_aux): Update for maximal_set changes.
356 (compute_partial_antic_aux): New function.
357 (compute_antic): Handle partial anticipation.
358 (do_partial_partial_insertion): New function.
359 (insert_aux): Handle partial anticipation.
360 (add_to_sets): Add to maximal set.
361 (compute_avail): Ditto.
362 (init_pre): Initialize maximal_set.
363 (execute_pre): Do partial anticipation if -O3+.
365 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
367 PR rtl-optimization/29798
369 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
370 TARGET_INSN before any other check.
371 (fwprop_init): Always calculate dominators.
372 (fwprop_done): Always free them.
374 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
376 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
379 2006-11-13 DJ Delorie <dj@redhat.com>
381 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
382 temporary for intermediates.
384 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
386 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
387 (sh_optimize_target_register_callee_saved): #if 0 the code
388 using NOTE_INSN_LOOP_{BEG,END}.
390 2006-11-13 Roger Sayle <roger@eyesopen.com>
392 * fold-const.c (optimize_bit_field_compare): Recursively call
393 fold when simplifying non-constant comparisons between bit-fields.
395 2006-11-13 Jakub Jelinek <jakub@redhat.com>
397 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
399 * configure: Rebuilt.
401 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
403 * config/rs6000/cell.md: New file.
404 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
406 (ppccell_cost): New cost matrix.
407 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
408 (rs6000_override_options): Set rs6000_always_hint to false
409 for cell. Also align functions/lables/loops to 8byte
410 for the Cell. Use PROCESSOR_CELL.
411 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
413 (rs6000_variable_issue): If the insn is a nonpipelined instruction
414 on the Cell, return 0.
415 (rs6000_adjust_cost): Add Cell cost adjustments.
416 (is_microcoded_insn): Return true for Cell microcoded
418 (is_nonpipeline_insn): New function.
419 (rs6000_issue_rate): Add PROCESSOR_CELL.
420 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
422 (rs6000_use_sched_lookahead_guard): New function.
423 (rs6000_sched_reorder): Reorder the ready list, if the second
424 to last ready insn is a nonepipeline insn on the Cell.
425 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
426 (ASM_CPU_SPEC): Add Cell.
427 * config/rs6000/rs6000.md (cpu): Add Cell.
428 (cell_micro): New Attr.
431 2006-11-13 Jakub Jelinek <jakub@redhat.com>
433 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
435 * configure: Rebuilt.
437 2006-11-13 Richard Guenther <rguenther@suse.de>
439 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
441 (ix86_expand_lfloorceil): Likewise.
442 (ix86_expand_rint): Likewise.
443 (ix86_expand_floorceildf_32): Likewise.
444 (ix86_expand_floorceil): Likewise.
445 (ix86_expand_rounddf_32): Likewise.
446 (ix86_expand_truncdf_32): Likewise.
447 (ix86_expand_round): Likewise.
449 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
450 Mark Mitchell <mark@codesourcery.com>
452 * gcc.c: Organize search path variables into $prefix relative,
453 and well-known native. Add comments.
454 (add_sysrooted_prefix): Add comment.
455 (process_command): If !gcc_exec_prefix add $prefix based paths.
456 If *cross_compile == '0', add native well-known paths.
457 Assert tooldir_base_prefix is always relative.
458 (main): If print_search_dirs, and if gcc_exec_prefix is set,
459 use this value for 'install:' path.
460 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
462 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
464 * config/i386/i386.c: Fix a typo in comment.
466 2006-11-13 Michael Matz <matz@suse.de>
468 * genemit.c (gen_expand): Allocate enough memory.
470 2006-11-13 Joseph Myers <joseph@codesourcery.com>
472 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
473 __GXX_TYPEINFO_EQUALITY_INLINE but not
474 __GXX_MERGED_TYPEINFO_NAMES.
475 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
476 __GXX_MERGED_TYPEINFO_NAMES.
477 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
478 __GXX_TYPEINFO_EQUALITY_INLINE.
480 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
481 Zdenek Dvorak <dvorakz@suse.cz>
483 PR tree-optimization/29680
484 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
487 2006-11-12 Jason Merrill <jason@redhat.com>
488 Andrew Pinski <pinskia@physics.uc.edu>
491 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
493 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
495 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
496 * tree.c (build_vector): Handle non-_CST elements.
498 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
500 * genemit.c (gen_insn): Call gen_exp with a non-null used
501 when handling multiple insns.
502 (gen_expand): Likewise.
503 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
504 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
505 (movsi_const_16bit+1): Copy operands[1].
506 (call_pcrel): Copy the call_site pattern.
507 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
509 2006-11-12 Roger Sayle <roger@eyesopen.com>
511 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
512 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
513 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
514 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
516 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
518 Fix PR tree-optimization/29587
519 * tree-ssa-structalias.c (process_constraint): Don't
520 mark address taken due only to escaped vars constraint.
522 2006-11-12 Michael Matz <matz@suse.de>
523 Roger Sayle <roger@eyesopen.com>
525 PR rtl-optimization/29797
526 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
527 BITS_BIG_ENDIAN targets.
529 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * builtins.c (fold_builtin_cosh): New.
532 (fold_builtin_1): Use it.
533 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
534 trunc to the list of "odd" functions. Also add llrint, lrint,
535 rint and nearbyint when flag_rounding_math is false.
537 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
539 * tree-flow.h (name_mappings_registered_p): Declare.
540 * tree-into-ssa.c (name_mappings_registered_p): New function.
541 * tree-cfg.c (tree_can_merge_blocks_p): Check
542 name_mappings_registered_p instead of need_ssa_update_p.
544 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
546 * tree-ssa-loop.c (tree_vectorize): Return the result of
548 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
550 * tree-vectorizer.h (vectorize_loops): Declaration removed.
551 * tree-flow.h (vectorize_loops): Declaration changed.
553 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
555 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
557 (issue_prefetch_ref): Move assignment to write_p out of loop.
558 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
559 SIMULTANEOUS_PREFETCHES into account.
560 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
561 * lambda-code.c (lcm): Renamed to ...
562 (least_common_multiple): ... and exported.
563 * tree-flow.h (least_common_multiple): Declare.
565 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
567 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
568 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
569 ud-chains. Handle AND_EXPR.
570 (record_estimate): Record whether the estimate is realistic
571 and whether it is derived from a loop exit.
572 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
573 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
575 (compute_estimated_nb_iterations): Take only realistic bounds into
576 account. Set estimate_state. Use double_ints.
577 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
578 and infer_loop_bounds_from_signedness. Do not consider basic blocks
579 that do not have to be always executed.
580 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
581 to determine whether to call infer_loop_bounds_from_undefined
582 and compute_estimated_nb_iterations.
583 (n_of_executions_at_most): Use double_ints.
584 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
585 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
586 * double-int.c (double_int_to_tree): Improve comment.
587 (double_int_fits_to_tree_p): New function.
588 * double-int.h (double_int_fits_to_tree_p): Declare.
589 * tree-data-ref.c: Include langhooks.h.
590 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
591 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
592 (analyze_array): Do not pass estimate_only argument to
593 analyze_array_indexes.
594 (get_number_of_iters_for_loop): Build tree from the stored double_int
596 (get_references_in_stmt, find_data_references_in_stmt): New functions.
597 (find_data_references_in_loop): Use find_data_references_in_stmt.
598 * tree-data-ref.h (struct data_ref_loc_d): New.
599 (get_references_in_stmt): Declare.
600 (estimate_iters_using_array): Declaration removed.
601 * cfgloop.h (struct nb_iter_bound): Change type of bound to
602 double_int. Improve comments. Add is_exit and realistic
604 (struct loop): Changed type of estimated_nb_iterations to double_int.
605 Added estimate_state field.
606 (record_estimate): Declaration removed.
608 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
610 * params.c (set_param_value): Initialize the "set" field.
611 * params.h (struct param_info): Add "set" field.
612 (PARAM_SET_P): New macro.
613 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
614 L1_CACHE_LINE_SIZE): New macros.
615 * toplev.c (DEFPARAM): Initialize the "set" field.
616 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
617 SIMULTANEOUS_PREFETCHES): Removed.
618 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
619 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
620 * config/sparc/sparc.c: Include params.h.
621 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
622 L1_CACHE_LINE_SIZE parameters.
623 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
625 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
627 * config/i386/i386.c: Include params.h.
628 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
629 (override_options): Set SIMULTANEOUS_PREFETCHES and
630 L1_CACHE_LINE_SIZE parameters.
631 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
632 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
633 L1_CACHE_LINE_SIZE parameters.
634 * config/ia64/ia64.c (ia64_optimization_options): Set
635 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
636 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
638 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
639 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
640 * doc/invoke.texi: Document new params.
642 2006-11-12 Roger Sayle <roger@eyesopen.com>
644 PR tree-optimization/13827
645 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
648 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
650 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
651 update_single_exit_for_duplicated_loops): New functions.
652 (duplicate_loop_to_header_edge): Use
653 update_single_exit_for_duplicated_loops.
654 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
655 functions only with ENABLE_CHECKING.
657 2006-11-12 Andreas Schwab <schwab@suse.de>
659 * except.c (sjlj_emit_function_enter): Remove unused variable.
661 2006-11-11 Roger Sayle <roger@eyesopen.com>
663 * fold-const.c (int_binop_types_match_p): New function.
664 (size_binop): Relax constraint that both arguments must both have
665 exactly the same sizetype type. Instead use int_binop_types_match_p.
666 (size_diffop): Likewise.
668 (make_range): Use build_int_cst instead of fold_convert.
669 (fold_cond_expr_with_comparison): Use build_int_cst to construct
670 integer constants of the correct type.
671 (fold_div_compare): Likewise.
672 (fold_single_bit_test): Likewise.
673 (fold_binary): Likewise.
674 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
675 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
677 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
680 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
681 non null value if the struct memory access is in the 0th
684 2006-11-12 Jie Zhang <jie.zhang@analog.com>
687 2006-11-11 Jie Zhang <jie.zhang@analog.com>
688 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
691 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
692 instead of builtin_define for bfin and BFIN.
694 2006-11-11 Jie Zhang <jie.zhang@analog.com>
696 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
699 2006-11-11 Jan Hubicka <jh@suse.cz>
701 * extended.texi (__builtin_expect): We no longer require second argument
703 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
704 * builtins.c (expand_builtin_expect): Simplify.
705 (expand_builtin_expect_jump): Kill.
706 * final.c (final_scan_insn): Do not skip the removed notes.
707 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
708 EXPECTED_VALUE): Remove.
709 * dojump.c (do_jump): Do not care about __builtin_expect.
710 * predict.c (expected_value_to_br_prob): Kill.
711 * function.c (expand_function_end): Do not expand
712 NOTE_INSN_REPEATED_LINE_NUMBER.
713 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
714 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
715 * cfgexpand.c (add_reg_br_prob_note): Export.
716 * cfgcleanup.c (rest_of_handle_jump2): Do not call
717 expected_value_to_br_prob.
718 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
719 * rtl.h (add_reg_br_prob_note): Declare.
721 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
723 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
725 2006-11-11 Jan Hubicka <jh@suse.cz>
727 * predict.c (predict_loops): Kill RTL variant.
729 2006-11-11 Jan Hubicka <jh@suse.cz>
731 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
732 * modulo-sched.c (find_line_note): Remove.
733 (loop_canon_p): Do not worry about line number notes.
734 (sms_schedule): Likewise.
735 * cse.c (cse_main): Likewise.
736 * regmove.c (fixup_match_1): Likewise
737 * function.c (emit_return_info_block): Likewise.
738 (expand_function_end): Likewise.
739 (thread_prologue_an_epilogue_insns): Likewise.
740 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
742 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
743 emit_note_copy_after): Kill.
744 (emit_note_copy): Do not worry about line numbers.
745 * jump.c (purge_line_number_notes): Kill.
746 (pass_purge_lineno_notes): Kill.
747 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
749 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
750 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
751 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
752 * tree-pass.h (pass_purge_lineno_notes): Kill.
753 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
754 rm_redundant_line_notes.
755 * sched-rgb.c (schedule_region): Don't rm_line_notes,
756 rm_redundant_line_notes.
757 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
758 * haifa-sched.c: Update comment about handling notes.
759 (unlink_line_notes): Kill.
760 (rm_line_notes): Kill.
761 (save_line_notes): Simplify.
762 (rm_redundant_line_notes): Kill.
764 2006-11-11 Richard Guenther <rguenther@suse.de>
766 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
767 Remove unused tree codes.
768 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
769 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
770 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
771 * tree.c (stabilize_reference): Likewise.
772 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
773 fold_unary): Likewise.
774 * tree-gimple.c (is_gimple_cast): Likewise.
775 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
776 * expr.c (expand_expr_real_1): Likewise.
777 * tree-eh.c (tree_could_trap_p): Likewise.
778 * gimplify.c (gimplify_expr): Likewise.
779 * tree-inline.c (estimate_num_insns_1): Likewise.
780 * tree-cfg.c (verify_expr): Likewise.
782 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
784 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
785 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
786 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
788 2006-11-11 Richard Sandiford <richard@codesourcery.com>
791 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
792 constraints accept neither registers or memories.
794 2006-11-11 Jie Zhang <jie.zhang@analog.com>
796 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
797 (NO_PROFILE_COUNTERS): Define as 1.
799 2006-11-10 Roger Sayle <roger@eyesopen.com>
801 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
802 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
804 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
806 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
808 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
810 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
811 (fold_builtin_hypot): Likewise.
812 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
814 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
816 2006-11-10 Roger Sayle <roger@eyesopen.com>
818 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
819 when attempting to build INTEGER_CSTs of non-integral types.
820 * expmed.c (make_tree): Use the correct type, i.e. the inner
821 type, when constructing the individual elements of a CONST_VECTOR.
823 2006-11-10 Jan Hubicka <jh@suse.cz>
825 * cse.c (cse_process_notes): Copy the propagated value.
826 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
828 * gcse.c (try_replace_reg): Copy the replacement.
829 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
830 (assign_386_stack_local): Always return copied memory expression
831 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
834 2006-11-10 Jan Hubicka <jh@suse.cz>
836 * final.c (final): Walk from first instruction.
837 * cfglayout.c (insn_locators_initialize): Remove line number notes.
839 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
842 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
844 (umulv8hi3_highpart): Ditto.
845 (vec_widen_smult_hi_v8hi): New expander.
846 (vec_widen_smult_lo_v8hi): Ditto.
848 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
851 * builtins.c (do_mpfr_arg3): New.
852 (fold_builtin_1): Handle builtins fma, fmin and fmax.
854 2006-11-09 Eric Christopher <echristo@apple.com>
859 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
860 * config.gcc (powerpc64-*-darwin*): New target.
861 * config.host: Ditto.
862 * config/rs6000/darwin64.h: New file.
863 * config/rs6000/x-darwin64: Ditto.
864 * config/rs6000/host-ppc64-darwin.c: Ditto.
866 2006-11-09 Steve Ellcey <sje@cup.hp.com>
868 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
869 routines for integer division.
871 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
873 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
875 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
878 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
880 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
882 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
883 simplify_subreg with BLKmode outer mode.
885 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
887 * doc/invoke.texi: Minor formatting fixes in option lists.
889 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
891 PR tree-optimization/29738
892 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
893 (ccp_lattice_t): Remove UNKNOWN_VAL.
894 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
895 Do not handle UNKNOWN_VAL.
896 (get_default_value): Set initial value of virtual operands to
898 (get_value): Always use get_default_value on uninitialized
900 (set_value_varying, surely_varying_stmt_p): New functions.
901 (set_lattice_value): Do not pass argument to get_value.
902 Do not handle UNKNOWN_VAL.
903 (likely_value): Follow the semantics described in the comment.
904 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
905 phi nodes DONT_SIMULATE_AGAIN.
906 (ccp_fold): Do not pass argument to get_value.
907 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
910 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
912 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
913 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
915 2006-11-08 Roger Sayle <roger@eyesopen.com>
917 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
918 test for inclusion rather than as a test for exclusion.
919 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
920 the condition after calling fold_binary.
921 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
922 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
923 * builtins.c (fold_builtin_isascii): Likewise.
924 (fold_builtin_isdigit): Likewise.
926 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
928 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
929 * configure: Regenerate.
931 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
933 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
934 enum argument instead of bool.
935 (vect_analyze_operations): Call vectorizable_type_promotion.
936 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
937 stmt_vec_info_type value.
938 (supportable_widening_operation, vectorizable_type_promotion): New
939 function declarations.
940 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
941 (vectorizable_type_promotion): New function.
942 (vect_transform_stmt): Call vectorizable_type_promotion.
943 * tree-vect-analyze.c (supportable_widening_operation): New function.
944 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
946 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
949 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
950 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
951 * tree-inline.c (estimate_num_insns_1): Add cases for above new
953 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
954 * expr.c (expand_expr_real_1): Likewise.
955 * optabs.c (optab_for_tree_code): Likewise.
956 (init_optabs): Initialize new optabs.
957 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
958 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
959 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
960 vec_unpacku_lo_optab): Initialize new optabs.
961 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
962 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
963 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
965 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
966 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
967 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
968 (vec_unpacku_lo_optab): New optabs.
969 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
970 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
971 (vec_widen_smult_hi, vec_widen_smult_lo): New.
972 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
973 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
974 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
976 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
977 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
978 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
979 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
980 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
981 implement the unsigned unpacking patterns.
982 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
983 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
984 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
985 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
986 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
987 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
988 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
989 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
990 multiplication patterns.
992 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
993 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
994 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
995 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
996 (rs6000_builtin_mul_widen_odd): New.
997 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
998 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
999 * tree-vectorizer.h (enum vect_relevant): New enum type.
1000 (_stmt_vec_info): Field relevant chaned from bool to enum
1002 (STMT_VINFO_RELEVANT_P): Updated.
1003 (STMT_VINFO_RELEVANT): New.
1004 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1005 instead of STMT_VINFO_RELEVANT_P.
1006 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1007 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1008 and boolean variable with enum vect_relevant.
1009 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1010 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1011 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1013 2006-11-08 Richard Henderson <rth@redhat.com>
1015 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1016 vec_widen_umult_lo_v8hi): New.
1017 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1018 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1020 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1021 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1022 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1023 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1024 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1025 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1026 vec_unpacks_lo_v4si): New.
1028 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1030 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1031 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1032 (vect_analyze_operations): Call vectorizable_type_demotion.
1033 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1034 stmt_vec_info_type value.
1035 (vectorizable_type_demotion): New function declaration.
1036 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1039 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1040 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1042 * tree-iniline.c (estimate_num_insns_1): Likewise.
1043 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1044 * optabs.c (optab_for_tree_code): Likewise.
1046 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1047 compared against the predicate of the result is not 'mode' (the input
1048 to the function) but a mode with half the size of 'mode'.
1049 (init_optab): Initialize new optabs.
1050 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1052 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1054 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1055 (vec_pack_usat_optab): Initialize new optabs.
1056 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1057 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1059 2006-11-08 Richard Henderson <rth@redehat.com>
1061 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1062 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1063 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1064 (vec_interleave_highv4si, vec_interleave_lowv4si):
1065 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1067 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1069 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1071 (vect_transform_stmt): Removed redundant code.
1073 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1075 * tree-vect-transform.c (vectorizable_operation): Support multiple
1078 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1080 * tree-vect-transform.c (vect_align_data_ref): Removed.
1081 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1082 Updated function documentation. Return the increment stmt in ptr_incr.
1083 (bump_vector_ptr): New function.
1084 (vect_get_vec_def_for_stmt_copy): New function.
1085 (vect_finish_stmt_generation): Create a stmt_info to newly created
1087 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1089 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1090 VF is greater than the number of elements that can fit in one vector
1092 (vectorizable_operation, vectorizable_condition): Likewise.
1093 (vectorizable_store, vectorizable_load): Support the case that the VF
1094 is greater than the number of elements that can fit in one vector word.
1095 (vect_transform_loop): Don't fail in case of multiple data-types.
1096 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1097 in case of multiple data-types; the smallest type determines the VF.
1098 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1099 if they are of different sizes.
1100 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1101 number of elements rather than number of bytes.
1102 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1103 (vect_can_advance_ivs_p): Fix a dump printout
1105 2006-11-07 Eric Christopher <echristo@apple.com>
1107 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1108 (__bswapsi2): Ditto.
1109 * libgcc2.h: Remove transformation of bswap routines.
1110 * config/i386/i386.md (bswapsi2): New.
1113 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1115 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1116 (handle_gnu_inline_attribute): New function.
1117 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1118 (merge_decls, start_decl, start_function): Likewise.
1119 * doc/extend.texi: Document gnu_inline attribute.
1121 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1124 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1125 _fixunstfdi, and _floatditf
1127 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1129 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1131 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1132 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1133 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1134 which start in an odd register.
1136 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1138 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1140 2006-11-07 Josh Conner <jconner@apple.com>
1142 * doc/invoke.texi (fstrict-aliasing): Move implementation
1144 * doc/tree-ssa.texi (Alias analysis): ...here.
1146 2006-11-07 Richard Guenther <rguenther@suse.de>
1148 PR tree-optimization/29610
1149 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1150 of tree_purge_dead_eh_edges as it may free dominators.
1152 * g++.dg/other/pr29610.C: New testcase.
1154 2006-11-07 David Ung <davidu@mips.com>
1156 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1157 costs when optimizing for size.
1158 (override_options): Use mips_rtx_cost_optimize_size table for cost
1161 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1163 * gcc.c (process_command): Treat -b as normal switch if its argument
1166 2006-11-07 David Ung <davidu@mips.com>
1168 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1171 2006-11-06 Eric Christopher <echristo@apple.com>
1173 * config.gcc: Add x86_64-darwin host support.
1174 * config.host: Ditto.
1175 * config/i386/darwin64.h: New file.
1176 * config/i386/t-darwin64: Ditto.
1178 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1180 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1181 and output-exists-not.
1183 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1186 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1187 checking for overflow.
1189 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1191 * configure.ac: Fixed typo in case statement: :: changed to ;;
1193 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1195 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1196 count_leading_zeros, and count_trailing_zeros.
1197 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1198 (TARGET_FOLD_BUILTIN): Define.
1199 (TARGET_EXPAND_BUILTIN): Define.
1200 (xtensa_init_builtins): New.
1201 (xtensa_fold_builtin): New.
1202 (xtensa_expand_builtin): New.
1203 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1204 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1205 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1206 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1207 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1208 (any_extend): New code macro.
1209 (u, su): New code attributes.
1210 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1211 (nsau): Remove; replaced by clzsi2.
1212 (ffssi2): Use clzsi2.
1213 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1214 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1215 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1216 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1217 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1219 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1221 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1223 * config/arm/t-strongarm-elf: Likewise.
1224 * config/arm/t-pe: Likewise.
1225 * config/arm/t-arm-elf: Likewise.
1226 * config/arm/t-xscale-elf: Likewise.
1227 * config/arm/t-arm-coff: Likewise.
1228 * config/arm/t-xscale-coff: Likewise.
1229 * config/arm/t-wince-pe: Likewise.
1231 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1233 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1236 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1239 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1242 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1245 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1246 as a valid 80387 constant.
1247 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1248 * config/i386/i386.md (unnamed splitter): Split the load of
1249 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1252 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1254 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1255 from the soft-frame, argument and virtual registers.
1257 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1259 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1260 patterns for standard 80387 constants.
1262 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1263 Steven Bosscher <steven@gcc.gnu.org>
1265 * fwprop.c: New file.
1266 * Makefile.in: Add fwprop.o.
1267 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1268 * passes.c (init_optimization_passes): Schedule forward propagation.
1269 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1271 * timevar.def (TV_FWPROP): New.
1272 * common.opt (-fforward-propagate): New.
1273 * opts.c (decode_options): Enable forward propagation at -O2.
1274 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1275 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1276 canon_for_address, table_size): Remove.
1277 (new_basic_block, insert, remove_from_table): Remove references to
1279 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1280 simplification loop more straightforward by not calling fold_rtx
1282 (equiv_constant): Move here a small part of fold_rtx_subreg,
1283 do not call fold_rtx. Call avoid_constant_pool_reference
1285 * recog.h (canonicalize_change_group): New.
1287 * doc/invoke.texi (Optimization Options): Document fwprop.
1288 * doc/passes.texi (RTL passes): Document fwprop.
1290 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1292 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1293 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1294 (grokdeclarator): Likewise.
1296 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1298 * tree-dump.c (dump_enable_all): Rename local variable
1299 ir_type to avoid name conflicts.
1300 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1301 instead of using ir_type().
1302 * profile.c (tree_register_profile_hooks): Likewise.
1303 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1304 * basic-block.h (struct edge_def): Likewise.
1305 * config/arm/arm.c (legitimize_pic_address): Likewise.
1306 * coretypes.h (ir_type): New enum of all intermediate languages
1308 * cfghooks.c (ir_type): Rename to...
1309 (current_ir_type): ...this. Distinguish between cfgrtl and
1310 cfglayout mode when the current IR is RTL. Return enum ir_type.
1311 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1313 2006-11-03 Paul Brook <paul@codesourcery.com>
1315 * config/arm/arm.c (arm_file_start): New function.
1316 (TARGET_ASM_FILE_START): Define.
1317 (arm_default_cpu): New variable.
1318 (arm_override_options): Set arm_default_cpu.
1320 2006-11-03 David Ung <davidu@mips.com>
1322 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1323 PROCESSOR_24KC and PROCESSOR_24KF.
1324 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1325 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1326 (mips_rtx_cost_data): Add costs for the 24kc.
1327 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1328 * config/mips/24k.md: Remove references to 24k and replace with
1329 uses of 24kc/24kf in the appropriate reservations.
1330 * doc/invoke.texi (MIPS Options): Updated.
1332 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1334 * config/sh/crt1.asm: Fix #ifdef indent.
1336 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1337 Merged from STMicroelectronics sources:
1338 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1339 * config/sh/crt1.asm (vbr_600): Add missing #if.
1340 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1341 * sh.opt (mfused-madd): New option.
1342 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1343 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1344 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1345 Remove pointless handler at VBR+0.
1346 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1347 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1348 fr7. Make sure the timer handler is called with the correct FPU
1349 precision setting, according to the ABI.
1350 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1351 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1352 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1353 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1354 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1355 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1356 zero as second operand.
1357 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1358 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1359 Fixed some bugs related to negative values, in particular -0
1360 and overflow at -0x80000000.
1361 * config/sh/divcost-analysis: Added sh4-300 figures.
1362 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1363 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1364 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1365 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1366 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1367 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1369 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1371 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1372 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1373 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1374 mac_mem, mem_mac, dfp_mul, fp_cmp.
1375 (insn_class, dfp_comp, any_fp_comp): Update.
1376 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1377 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1378 (muldf3_i): Likewise.
1379 (movsi_i): Split rI08 alternative into two separate alternatives.
1381 (movsi_ie, movsi_i_lowpart): Likewise.
1382 (movqi_i): Split ri alternative into two separate alternatives.
1384 * sh1.md (sh1_load_store, sh1_fp): Update.
1385 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1386 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1387 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1388 (sh4a_fp_double_arith): Likewise.
1389 * sh4-300.md: New file.
1390 * sh.c (sh_handle_option): Handle m4-300* options.
1391 (sh_adjust_cost): Fix latency of auto-increments.
1392 Handle SH4-300 differently than other SH4s. Check for new insn types.
1393 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1394 been set by an option.
1395 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1396 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1397 (mbranch-cost=): Likewise.
1398 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1400 * sh.md (mulsf3): Remove special expansion code.
1401 (mulsf3_ie): Now a define_insn_and_split.
1402 (macsf3): Allow for TARGET_SH4.
1404 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1405 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1406 (expand_cbranchdi4): Likewise.
1407 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1408 CONST_DOUBLE if the outer code is COMPARE.
1409 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1410 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1411 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1412 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1413 Remove redundant fp_{zero,one}_operand checks.
1414 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1415 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1416 (expand_cbranchdi4): Likewise.
1417 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1418 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1420 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1422 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1425 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1427 * doc/invoke.texi: Fix mfp-trap-mode typo.
1429 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1431 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1432 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1433 file_end_indicate_exec_stack.
1434 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1436 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1437 for a non-executable stack.
1438 * crti.asm: Likewise.
1439 * crtn.asm: Likewise.
1440 * libunwind.S: Likewise.
1442 2006-11-02 Ben Elliston <bje@au.ibm.com>
1444 * tree-ssa.c (warn_uninit): Use expand_location variables for
1445 locus and declaration locus.
1447 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1450 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1451 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1452 cmp{eq,gt,gtu}{si,di}_media.
1453 (*cmpne0si_media): Remove.
1454 (*movsicc_umin): Adjust gen_cmp*_media call.
1455 (unordered): Change the mode of unordered and operands[1] to
1457 (seq): Adjust gen_cmp*_media calls. Make the mode of
1458 a temporary result of compare SImode if needed. If the mode
1459 of operands[0] is DImode, extend the temporary result to DImode.
1460 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1461 (sunorderd): Change the mode of match_operand and unorderd to
1463 (cmpeq{sf,df}_media): Remove.
1464 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1465 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1466 and compare operation to SImode.
1468 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1470 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1472 (sparc64-sun-solaris2*): Likewise.
1474 2006-11-02 Paul Brook <paul@codesourcery.com>
1476 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1477 from priority argument. Use different section for non-default
1479 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1481 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1484 * except.c (switch_to_exception_section): Do not cache the section
1485 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1486 and flag_function_sections is set.
1488 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1491 * builtins.c (do_mpfr_sincos): New.
1492 (fold_builtin_1): Use it to fold builtin sincos.
1494 2006-11-01 Roger Sayle <roger@eyesopen.com>
1496 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1497 it into -D_REENTRANT.
1499 2006-11-01 Roger Sayle <roger@eyesopen.com>
1501 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1502 whether the assembler supports taking the difference of symbols in
1503 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1504 * configure: Regenerate.
1505 * config.in: Regenerate.
1506 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1507 the assembler doesn't support taking the difference of symbols in
1508 different sections, i.e. we're using the native solaris assembler.
1510 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1511 Peter Bergner <bergner@vnet.ibm.com>
1513 * doc/invoke.texi: Add cpu_type power6x
1514 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1515 * config.gcc: Add cpu_type power6x.
1516 * configure.ac: Add test for mf{t,f}gpr instructions.
1517 (HAVE_AS_MFPGPR): New.
1518 * config.in: Regenerate.
1519 * configure: Regenerate.
1520 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1521 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1522 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1523 and mftgpr attributes.
1524 (define_attr "cpu"): Add power6.
1525 Change instruction sequences to use new attributes.
1526 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1527 (fix_truncdfsi2_mfpgpr): New.
1528 (floatsidf_ppc64_mfpgpr): New.
1529 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1530 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1531 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1532 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1533 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1534 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1535 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1536 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1537 cntlz,exts and var_delayed_compare.
1538 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1539 _ARCH_PWR6X, if features enabled.
1540 * config/rs6000/rs6000.opt (mmfpgpr): New.
1541 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1542 (cached_can_issue_more): New variable.
1543 (processor_costs): Add power6_cost.
1544 (rs6000_sched_init): New function.
1545 (is_dispatch_slot_restricted): Deleted.
1546 (set_to_load_agen): New function.
1547 (is_load_insn,is_store_insn): New functions.
1548 (adjacent_mem_locations): New function.
1549 (insn_must_be_first_in_group): New function.
1550 (insn_must_be_last_in_group): New function.
1551 (rs6000_sched_reorder): New function.
1552 (rs6000_sched_reorder2): New function.
1553 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1554 TARGET_SCHED_REORDER2): Define.
1555 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1556 Add power6x. Add MASK_MFPGPR for power6x.
1557 (POWERPC_MASKS): Add MASK_MFPGPR.
1558 (rs6000_override_options): Set rs6000_always_hint to false
1559 for power6. Set rs6000_align_branch_targets. Replace
1560 rs6000_sched_groups check with rs6000_align_branch_targets.
1561 Use PROCESSOR_POWER6.
1562 (last_scheduled_insn): New variable.
1563 (load_store_pendulum): New variable.
1564 (rs6000_variable_issue): Set last_scheduled_insn and
1565 cached_can_issue_more.
1566 (rs6000_adjust_cost): Add power6 cost adjustments.
1567 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1568 with insn_must_be_first_in_group. Add power6 priority adjustments.
1569 (rs6000_issue_rate): Add CPU_POWER6.
1570 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1571 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1572 (TARGET_MFPGPR): New.
1573 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1574 (ASM_CPU_SPEC): Add power6x.
1575 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1577 * config/rs6000/power6.md: New file.
1579 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1581 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1582 HOST_WIDE_INT_PRINT to print high and low parts. Use
1583 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1584 printing a hexadecimal number prefix it with 0x.
1586 2006-11-01 Chris Johns <chris@contemporary.net.au>
1589 * Makefile.in (install-driver): Use exeext when installing
1590 $target-gcc-$version.
1592 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1594 * c-common.c (flag_cpp0x): New.
1595 * c-common.h (flag_cpp0x): New.
1596 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1597 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1598 * c-opts.c (set_std_cxx0x): New.
1599 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1600 * c.opt (std=c++0x): Document.
1601 (std=gnu++0x): Ditto.
1602 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1603 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1605 2006-11-01 Richard Guenther <rguenther@suse.de>
1607 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1609 (ix86_expand_floorceildf_32): Likewise.
1610 (ix86_expand_floorceil): Likewise.
1611 (ix86_expand_trunc): Likewise.
1613 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1615 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1618 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1620 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1622 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1624 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1626 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1627 * configure.ac (use_cxa_atexit): As a special case, don't test
1628 for libc definition of __cxa_atexit on mingw32
1629 * configure: Regenerate.
1630 * config.gcc (i[34567]86-pc-mingw32): Default to
1631 enable__cxa_atexit=yes.
1633 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1635 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1637 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1640 * c-decl.c (start_struct): Don't create self-containing
1642 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1644 * config/rs6000/rs6000-protos.h
1645 (darwin_rs6000_special_round_type_align): New.
1646 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1647 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1649 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1651 * toplev.c (compile_file): Call final_write_globals
1652 even if there have been errors.
1654 2006-10-31 Eric Christopher <echristo@apple.com>
1655 Falk Hueffner <falk@debian.org>
1657 * doc/extend.texi (__builtin_bswap32): Document.
1658 (__builtin_bswap64): Ditto.
1659 * doc/libgcc.texi (bswapsi2): Document.
1661 * doc/rtl.texi (bswap): Document.
1662 * optabs.c (expand_unop): Don't widen a bswap.
1663 (init_optabs): Init bswap. Set libfuncs explicitly
1664 for bswapsi2 and bswapdi2.
1665 * optabs.h (OTI_bswap): New.
1666 (bswap_optab): Ditto.
1667 * genopinit.c (optabs): Handle bswap_optab.
1668 * tree.h (tree_index): Add TI_UINT32_TYPE and
1670 (uint32_type_node): New.
1671 (uint64_type_node): Ditto.
1672 * tree.c (build_common_tree_nodes_2): Initialize
1673 uint32_type_node and uint64_type_node.
1674 * builtins.c (expand_builtin_bswap): New.
1675 (expand_builtin): Call.
1676 (fold_builtin_bswap): New.
1677 (fold_builtin_1): Call.
1678 * fold-const.c (tree_expr_nonnegative_p): Return true
1680 * builtin-types.def (BT_UINT32): New.
1682 (BT_FN_UINT32_UINT32): Ditto.
1683 (BT_FN_UINT64_UINT64): Ditto.
1684 * builtins.def (BUILT_IN_BSWAP32): New.
1685 (BUILT_IN_BSWAP64): Ditto.
1686 * rtl.def (BSWAP): New.
1687 * genattrtab.c (check_attr_value): New.
1688 * libgcc2.c (__bswapSI2): New.
1689 (__bswapDI2): Ditto.
1690 * libgcc2.h (__bswapSI2): Declare.
1691 (__bswapDI2): Ditto.
1692 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1693 * simplify-rtx.c (simplify_const_unary_operation): Return
1695 * libgcc-std.ver (__bwapsi2): Add.
1696 (__bswapdi2): Ditto.
1697 * reload1.c (eliminate_regs_1): Add bswap.
1698 (elimination_effects): Ditto.
1699 * config/i386/i386.h (x86_bswap): New.
1700 (TARGET_BSWAP): Use.
1701 * config/i386/i386.c (x86_bswap): Set.
1703 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1705 * coverage.c (coverage_checksum_string): Update comment.
1706 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1707 of get_file_function_name.
1708 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1709 of get_file_function_name_long.
1710 * tree.c (get_file_function_name): Rename from
1711 get_file_function_name_long; improve comment; handle 'I' and 'D'
1712 specially when the target has ctor/dtor support; remove special
1714 (get_file_function_name): Remove.
1715 * tree.h (get_file_function_name): Rename from
1716 get_file_function_name_long.
1717 (get_file_function_name): Remove prototype.
1719 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1721 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1722 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1724 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1725 Call dsymutil when compiling and linking one or more source files
1728 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1731 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1733 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1735 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1736 inline static functions in c99 mode.
1739 * doc/extend.texi (Inline): Update.
1740 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1741 * c-decl.c (current_extern_inline): Delete.
1742 (pop_scope): Adjust test for an undefined nested function.
1743 Add warning about undeclared inline function.
1744 (diagnose_mismatched_decls): Update comments. Disallow overriding
1745 of inline functions in a translation unit in C99. Allow inline
1746 declarations in C99 at any time.
1747 (merge_decls): Boolize variables. Handle C99 'extern inline'
1749 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1750 C99 inline semantics.
1751 (start_function): Don't clear current_extern_inline. Don't set
1753 (c_push_function_context): Don't push current_extern_inline.
1754 (c_pop_function_context): Don't restore current_extern_inline.
1757 * c-typeck.c (build_external_ref): Warn about static variables
1758 used in extern inline functions.
1759 * c-decl.c (start_decl): Warn about static variables declared
1760 in extern inline functions.
1762 2006-10-31 Roger Sayle <roger@eyesopen.com>
1765 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1766 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1767 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1768 or y is an even integer.
1770 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1773 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1774 * gthr-posix95.h (__gthread_active_p): Likewise.
1776 2006-10-31 Richard Guenther <rguenther@suse.de>
1778 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1779 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1780 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1781 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1782 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1783 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1784 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1785 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1788 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1790 * opts.c (decode_options): Disable CSE skip blocks.
1792 2006-10-30 Dirk Mueller <dmueller@suse.de>
1794 * c-common.h (strict_aliasing_warning): Fix whitespace.
1795 * c-decl (start_function): Move code for main decl warning ..
1796 * c-common.c (check_main_parameter_types): .. here.
1797 * c-common.h (check_main_parameter_types): Declare.
1799 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1802 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1804 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1806 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1807 be a PARALLEL containing sets. Return false when out_pat is not
1810 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1812 * config/mips/mips.md (mul<mode>3): Split into...
1813 (mulsi3, muldi3): ...these separate patterns.
1815 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1817 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1818 but with each set of options separated by spaces.
1820 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1822 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1823 dwarf_reg_size_table has been initialized.
1825 2006-10-30 Roger Sayle <roger@eyesopen.com>
1827 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1828 * ddg.c (print_ddg_edge): Likewise.
1829 * dwarf2out.c (prune_unused_types_walk): Likewise.
1830 * ifcvt.c (noce_try_cmove_arith): Likewise.
1831 * langhooks.c (add_builtin_function): Likewise.
1832 * reg-stack.c (subst_stack_regs_pat): Likewise.
1833 * tree.c (expanded_location): Likewise.
1834 * tree-dump.c (dequeue_and_dump): Likewise.
1836 2006-10-30 David Daney <ddaney@avtrex.com>
1838 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1840 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1842 PR tree-optimization/29637
1843 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1844 of the innertype is the innertype itself.
1846 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1848 * dwarf2out.c (file_name_acquire): Correct typo.
1850 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1852 * tree.h (tree_value_handle): Remove struct value_set declaration.
1853 Change value_set to bitmap_set.
1854 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1855 * tree-vn.c (get_value_handle): Made inline and moved to
1857 * tree-flow-inline.h: (has_stmt_ann): New function.
1858 * tree-ssa-pre.c (expressions): New variable.
1859 (next_expression_id): Ditto.
1860 (alloc_expression_id): New function.
1861 (struct value_set): Remove.
1862 (get_expression_id): New function.
1863 (get_or_alloc_expression_id): Ditto.
1864 (expression_for_id): Ditto.
1865 (clear_expression_ids): Ditto.
1866 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1867 (bb_value_sets): Renamed to bb_bitmap_sets.
1868 All value sets replaced with bitmap_sets.
1870 (BB_VISITED): New macro.
1871 (postorder): New variable.
1872 (add_to_value): Removed.
1873 (value_exists_in_set_bitmap): Ditto.
1874 (value_insert_into_set_bitmap): Ditto.
1877 (set_remove): Ditto.
1878 (set_contains_value): Ditto.
1879 (insert_into_set): Ditto.
1881 (find_leader): Ditto.
1882 (bitmap_set_subtract_from_value_set): Ditto.
1883 (value_insert_into_set): Ditto.
1884 (print_value_set): Ditto.
1885 (debug_value_set): Ditto.
1886 (constant_expr_p): New function.
1887 (bitmap_remove_from_set): Ditto.
1888 (bitmap_insert_into_set): Ditto.
1889 (bitmap_set_free): Ditto.
1890 (vh_compare): Ditto.
1891 (sorted_array_from_bitmap_set): Ditto.
1892 (bitmap_set_subtract): Ditto.
1893 (bitmap_set_equal): Ditto.
1894 (debug_bitmap_set): Ditto.
1895 (find_leader_in_sets): Ditto.
1896 (bitmap_set_replace_value): Modify for bitmapped sets.
1897 (phi_translate): Ditto.
1898 (phi_translate_set): Ditto.
1899 (bitmap_find_leader): Ditto.
1900 (valid_in_sets): Ditto.
1901 (union_contains_value): Ditto.
1903 (compute_antic_aux): Ditto. Mark changed blocks.
1904 (compute_antic): Ditto. Iterate in postorder and only over
1906 (compute_rvuse_and_antic_safe): Reuse postorder.
1907 (create_component_ref_by_pieces): Modify for bitmapped sets.
1908 (find_or_generate_expression): Ditto.
1909 (create_expression_by_pieces): Ditto.
1910 (insert_into_preds_of_block): Ditto.
1911 (changed_blocks): New variable.
1912 (do_regular_insertion): Broken out from insert_aux.
1913 (insert_aux): Modified for bitmapped sets.
1914 (find_existing_value_expr): New function.
1915 (create_value_expr_from): Use it.
1916 (insert_extra_phis): Removed.
1917 (print_bitmap_set): Renamed from bitmap_print_value_set.
1918 (compute_avail): Handle RETURN_EXPR.
1919 (init_pre): Modify for bitmapped sets.
1920 * tree-flow.h (has_stmt_ann): New function.
1922 2006-10-29 Roger Sayle <roger@eyesopen.com>
1924 * builtins.c (fold_builtin_floor): Check for the availability of
1925 the C99 trunc function before transforming floor into trunc.
1927 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1929 * builtins.c (fold_builtin_hypot): Rearrange recursive
1930 transformation before others, and also do ABS_EXPR. When
1931 necessary, check flag_unsafe_math_optimizations. When necessary,
1934 2006-10-29 Roger Sayle <roger@eyesopen.com>
1936 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1937 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1938 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1939 Fold -X eq/ne -Y as X eq/ne Y.
1941 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1943 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1944 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1945 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1946 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1947 Use an inclusive test for "mult" rather than "mul".
1948 (rotr<mode>3): Depend on ISA_HAS_ROR.
1949 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1951 (GENERATE_MULT3_DI): Delete.
1952 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1953 (ISA_HAS_MUL3): New macro.
1954 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1955 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1956 (ISA_HAS_CLZ_CLO): Likewise.
1957 (ISA_HAS_DCLZ_DCLO): Delete.
1958 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1959 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1960 the VR4120 and VR4130.
1961 (ISA_HAS_MACCHI): Use consistent formatting.
1962 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1963 (ISA_HAS_ROR): ...this new macro.
1964 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1965 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1966 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1968 2006-10-29 Roger Sayle <roger@eyesopen.com>
1970 PR tree-optimization/15458
1971 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1974 2006-10-29 Richard Guenther <rguenther@suse.de>
1976 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1977 (ix86_expand_truncdf_32): Likewise.
1978 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1979 trunc inline for SSE math and -fno-trapping-math and if not
1980 optimizing for size.
1981 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1982 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1983 for expanding btrunc inline for SSE math.
1985 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1987 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1988 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1989 i[34567]86-*-solaris2.1[0-9]*.
1990 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1991 Define conditionally depending on TARGET_64BIT_DEFAULT.
1992 (SPEC_32, SPEC_64): Define.
1993 (LINK_SPEC): Use them.
1994 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1996 2006-10-29 Richard Guenther <rguenther@suse.de>
1998 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1999 (ix86_expand_rounddf_32): Likewise.
2000 * config/i386/i386.c (ix86_expand_round): New function expanding
2001 round inline for SSE math and -fno-trapping-math and if not
2002 optimizing for size.
2003 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2004 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2005 round via ix86_expand_round.
2007 2006-10-29 Richard Guenther <rguenther@suse.de>
2009 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2010 (ix86_expand_floorceildf_32): Likewise.
2011 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2012 static helper function.
2013 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2015 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2016 * config/i386/i386.md (floordf2): Adjust to enable floor
2017 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2018 -fno-trapping-math is enabled and if not optimizing for size.
2019 (floorsf2, ceildf2, ceilsf2): Likewise.
2020 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2021 (sse2_maskcmpdf3): Likewise.
2023 2006-10-29 Richard Guenther <rguenther@suse.de>
2025 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2026 rint in case -fno-trapping-math is enabled.
2027 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2028 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2029 (ix86_expand_sse_fabs): Likewise.
2030 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2031 * config/i386/i386.md (rintdf2): Enable for SSE math if
2032 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2033 (rintsf2): Likewise.
2035 2006-10-29 Richard Guenther <rguenther@suse.de>
2037 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2038 to conversion optabs.
2039 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2040 as conversion optab.
2041 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2042 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2043 (lfloor_optab, lceil_optab): Adjust defines.
2044 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2045 lfloor and lceil optabs now being conversion optabs.
2046 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2047 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2048 New static helper function.
2049 (ix86_expand_lfloorceil): New function to expand lfloor and
2051 * config/i386/i386.md (lfloor<mode>2): Split into ...
2052 (lfloorxf<mode>2): ... x87 variant
2053 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2054 using ix86_expand_lfloorceil.
2055 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2057 * doc/md.texi (lfloorMN, lceilMN): Document.
2059 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2061 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2062 -mno-shared assembler option on mips targets.
2063 * configure, config.in: Regenerate.
2064 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2065 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2066 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2068 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2070 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2071 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2073 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2075 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2076 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2079 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2082 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2083 (fold_builtin_pow): Evaluate constant arguments at compile-time
2085 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2086 (do_mpfr_ckconv): New helper function.
2087 (do_mpfr_arg1): Use do_mpfr_ckconv.
2088 (do_mpfr_arg2): New.
2090 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2093 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2094 (-fdump-rtl-sched): Rename to ..
2095 (-fdump-rtl-sched1): here. Also fix file extension number.
2097 2006-10-28 Richard Guenther <rguenther@suse.de>
2099 * fold-const.c (maybe_canonicalize_comparison): Fix code
2102 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2104 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2105 (NON_QI_REG_P): Use IN_RANGE.
2106 (REX_INT_REGNO_P): Use IN_RANGE.
2107 (FP_REGNO_P): Use IN_RANGE.
2108 (SSE_REGNO_P): Use IN_RANGE.
2109 (REX_SSE_REGNO_P): Use IN_RANGE.
2110 (MMX_REGNO_P): Use IN_RANGE.
2111 (STACK_REGNO_P): New macro.
2112 (STACK_REG_P): Use STACK_REGNO_P.
2113 (NON_STACK_REG_P): Use STACK_REGNO_P.
2114 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2115 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2116 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2117 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2118 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2120 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2122 * except.h (output_function_exception_table): Add 'const char*' param.
2123 * except.c (switch_to_exception_section): Add 'const char*' param.
2124 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2125 and flag_function_sections is set, use a function-specific section.
2126 (output_function_exception_table): Add 'const char*' param.
2127 Adjust call to switch_to_exception_section.
2128 * final.c (rest_of_handle_final): Adjust calls to
2129 output_function_exception_table.
2130 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2131 * config.in: Regenerate.
2132 * configure: Likewise.
2134 2006-10-28 Richard Guenther <rguenther@suse.de>
2137 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2138 for maybe_canonicalize_comparison.
2139 (maybe_canonicalize_comparison): New function for canonicalizing
2141 (fold_comparison): Call it to canonicalize comparisons with
2144 2006-10-28 Richard Guenther <rguenther@suse.de>
2147 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2148 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2149 (expand_builtin): Adjust likewise.
2150 * genopinit.c (optabs[]): Add lround optab.
2151 * optabs.c (init_optabs): Initialize lround_optab.
2152 * optabs.h (enum convert_optab_index): Add COI_lround.
2153 (lround_optab): Define.
2154 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2155 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2157 (ix86_expand_lround): New function.
2158 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2160 * doc/md.texi (lroundMN2): Document.
2162 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2165 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2166 argument to HOST_WIDE_INT. Update function prototype.
2167 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2168 "size" argument to HOST_WIDE_INT. Update function prototype.
2170 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2172 * config/i386/i386.c (output_387_ffreep): Create output from a
2173 template string for !HAVE_AS_IX86_FFREEP.
2175 2006-10-27 Eric Christopher <echristo@apple.com>
2177 * config/darwin.c: Fix formatting and grammar.
2179 2006-10-27 Jan Hubicka <jh@suse.cz>
2181 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2182 to be thrown away soon when IGNORE is set.
2183 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2184 indicating when return value shall not be computed.
2185 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2187 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2189 * config/i386/i386.h (TARGET_GEODE):
2190 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2191 (TARGET_CPU_DEFAULT_geode): New macro.
2192 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2193 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2194 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2195 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2196 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2198 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2199 (processor_type): Add PROCESSOR_GEODE.
2201 * config/i386/i386.md: Include geode.md.
2204 * config/i386/i386.c (geode_cost): New initialized global
2206 (m_GEODE, m_K6_GEODE): New macros.
2207 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2208 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2209 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2210 x86_schedule): Use m_K6_GEODE instead of m_K6.
2211 (x86_movx, x86_cmove): Set up m_GEODE.
2212 (x86_integer_DFmode_moves): Clear m_GEODE.
2213 (processor_target_table): Add entry for geode.
2214 (processor_alias_table): Ditto.
2216 * config/i386/geode.md: New file.
2218 * doc/invoke.texi: Add entry about geode processor.
2220 2006-10-27 Mike Stump <mrs@apple.com>
2222 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2223 __DYNAMIC__ from here back to ...
2224 * config/darwin.h (CPP_SPEC): ... here.
2226 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2227 Nathan Sidwell <nathan@codesourcery.com>
2229 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2230 when choosing the minimum heapsize.
2232 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2234 * gcc/unwind-dw2.h: Move cfa-related variables into
2235 struct frame_state_reg_info to ensure that the CFA is properly
2236 handled when executing DW_CFA_{remember,restore}_state.
2237 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2238 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2239 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2240 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2241 gcc/config/rs6000/linux-unwind.h,
2242 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2243 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2244 Modify to use new cfa_* fields.
2246 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2248 * config/s390/s390.c (s390_init_frame_layout): Check positive
2251 2006-10-26 Ben Elliston <bje@au.ibm.com>
2253 * gimplify.c (get_name): Remove extraneous break.
2254 (gimplify_omp_for): Initialise ret with GS_OK.
2256 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2258 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2259 Add unix98.o to link line.
2261 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2265 Calculate compile-time constants using MPFR.
2266 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2267 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2269 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2271 * config/xtensa/lib2funcs.S: Use C-style comments.
2273 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2275 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2276 (file_table_relative_p): Likewise.
2277 (dwarf2out_finish): Likewise.
2278 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2280 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2282 * tree-ssa-structalias.c (intra_create_variable_infos):
2283 Don't recreate nonlocal_all if it already exists.
2285 2006-10-25 Richard Guenther <rguenther@suse.de>
2288 * optabs.h (enum optab_index): Remove OTI_lrint.
2289 (enum convert_optab_index): Add COI_lrint.
2290 (lrint_optab): Adjust.
2291 (expand_sfix_optab): Declare.
2292 * optabs.c (expand_sfix_optab): New function.
2293 (init_optabs): Init lrint_optab as conversion optab.
2294 * genopinit.c (lrint_optab): Change to a conversion optab.
2295 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2296 expansion via conversion optab.
2297 * config/i386/i386.md (*fistdi2_1): Remove
2298 flag_unsafe_math_optimizations guard.
2299 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2300 fist<mode>2_with_temp): Likewise.
2301 (lrint<mode>2): Split into...
2302 (lrintxf<mode>2): ... x87 part
2303 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2304 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2305 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2306 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2307 * doc/md.texi (lrintMN2): Document.
2309 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2312 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2313 Use inc and dec instructions for TARGET_USE_INCDEC.
2314 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2315 ("sync_double_compare_and_swap<mode>"): Likewise.
2316 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2317 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2318 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2319 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2320 ("sync_old_add<mode>"): Likewise.
2321 ("sync_lock_test_and_set<mode>"): Likewise.
2322 ("sync_lock_test_and_set<mode>"): Likewise.
2323 ("sync_add<mode>"): Likewise.
2324 ("sync_sub<mode>"): Likewise.
2325 ("sync_ior<mode>"): Likewise.
2326 ("sync_and<mode>"): Likewise.
2327 ("sync_xor<mode>"): Likewise.
2329 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2331 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2332 (remainder_optab): Define corresponding macro.
2333 (drem_optab): Remove.
2334 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2335 drem_optab initialization.
2336 * genopinit.c (optabs): Implement remainder_optab using
2337 remainder?f3 patterns. Remove drem_optab.
2338 * builtins.c (expand_builtin_mathfn_2): Handle
2339 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2340 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2341 expand_builtin_mathfn_2.
2343 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2344 depend on flag_unsafe_math_optimizations.
2346 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2347 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2348 Do not depend on flag_unsafe_math_optimizations. Use
2349 truncxf?f expander instead of truncxf?f_i387_noop.
2351 ("fpremxf4", "fprem1xf4"): Do not depend on
2352 flag_unsafe_math_optimizations.
2353 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2354 flag_unsafe_math_optimizations. Use truncxf?f expander
2355 instead of truncxf?f_i387_noop.
2357 * doc/md.texi (fmod, remainder): Document standard named pattern.
2359 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2360 David Daney <ddaney@avtrex.com>
2363 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2365 2006-10-25 Ben Elliston <bje@au.ibm.com>
2367 * doc/extend.texi (Variable Attributes): Typo fix.
2369 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2371 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2372 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2373 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2374 (FRAME_POINTER_REGNUM): Update register number to 21.
2375 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2376 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2378 * config/i386/i386.c (regclass_map): Add fpcr entry.
2379 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2381 (print_reg): Assert REGNO (x) != FPCR_REG.
2383 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2384 (DIRFLAG_REG): Renumber.
2385 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2386 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2387 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2388 hardcoded SSE register numbers.
2390 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2391 hardcoded MMX register numbers.
2393 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2396 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2397 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2399 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2400 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2401 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2402 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2404 2006-10-24 Richard Guenther <rguenther@suse.de>
2407 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2408 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2409 for deciding optimizations in consistency with fold-const.c
2410 (fold_builtin_unordered_cmp): Likewise.
2412 2006-10-24 Richard Guenther <rguenther@suse.de>
2414 * builtins.c (fold_builtin_floor): Fold floor (x) where
2415 x is nonnegative to trunc (x).
2416 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2417 nonnegative to FIX_TRUNC_EXPR.
2419 2006-10-24 Richard Guenther <rguenther@suse.de>
2421 PR tree-optimization/29567
2422 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2423 for TRUTH_NOT_EXPR. Clarify comments.
2425 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2429 at compile-time using MPFR. Change parameter VALUE to FUNC,
2431 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2432 for overflow and underflow at all times and avoid folding in
2435 2006-10-24 Ben Elliston <bje@au.ibm.com>
2437 * reload1.c: Formatting fixes.
2439 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2441 PR tree-optimization/14784
2442 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2443 * tree-ssa-structalias.c (get_constraint_for,
2444 intra_create_variable_infos): Set is_heapvar.
2445 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2446 non-heapvar pointer variables specially.
2448 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2451 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2452 fold_builtin_tan): Fold all constant arguments. Take a "type"
2453 argument as necessary.
2454 (do_mpfr_arg1): New.
2455 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2457 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2459 * config/xtensa/lib1funcs.asm: Use C-style comments.
2461 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2463 * tree.c (local_define_builtin): Replace calls to
2464 lang_hooks.builtin_function with add_builtin_function.
2465 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2467 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2469 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2470 common code to add_builtin_function.
2471 * langhooks.c (add_builtin_function): New function.
2472 (lhd_builtin_function): New function.
2473 * langhooks.h (struct lang_hooks): Change the signature of
2475 (add_builtin_function): New function.
2476 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2477 calls to lang_hooks.builtin_function with add_builtin_function.
2478 * c-common.c (decl_builtin_1): Replace calls to
2479 lang_hooks.builtin_function with add_builtin_function.
2480 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2481 lang_hooks.builtin_function with add_builtin_function.
2482 * config/frv/frv.c (def_builtin): Replace calls to
2483 lang_hooks.builtin_function with add_builtin_function.
2484 * config/s390/s390.c (s390_init_builtins): Replace calls to
2485 lang_hooks.builtin_function with add_builtin_function.
2486 * config/sparc/sparc.c (def_builtin): Replace calls to
2487 lang_hooks.builtin_function with add_builtin_function.
2488 * config/i386/i386.c (def_builtin): Replace calls to
2489 lang_hooks.builtin_function with add_builtin_function.
2490 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2491 lang_hooks.builtin_function with add_builtin_function.
2492 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2493 lang_hooks.builtin_function with add_builtin_function.
2494 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2495 Replace calls to lang_hooks.builtin_function with
2496 add_builtin_function.
2497 * config/iq2000/iq2000.c (def_builtin):
2498 Replace calls to lang_hooks.builtin_function with
2499 add_builtin_function.
2500 * config/ia64/ia64.c (def_builtin): Replace calls to
2501 lang_hooks.builtin_function with add_builtin_function.
2502 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2503 lang_hooks.builtin_function with add_builtin_function.
2504 (altivec_init_builtins): Replace calls to
2505 lang_hooks.builtin_function with add_builtin_function.
2506 * config/arm/arm.c (def_mbuiltin): Replace calls to
2507 lang_hooks.builtin_function with add_builtin_function.
2508 (arm_init_tls_builtins): Replace calls to
2509 lang_hooks.builtin_function with add_builtin_function.
2510 * config/mips/mips.c (mips_init_builtins): Replace calls to
2511 lang_hooks.builtin_function with add_builtin_function.
2512 * config/bfin/bfin.c (def_builtin): Replace calls to
2513 lang_hooks.builtin_function with add_builtin_function.
2514 * langhooks-def.h (lhd_builtin_function): New function.
2515 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2517 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2519 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2520 BUILT_IN_STRNCAT_CHK.
2522 2006-10-23 Jan Hubicka <jh@suse.cz>
2524 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2525 don't do conversion from memmove to memcpy here.
2526 (expand_builtin_bcopy, expand_builtin): Update call of
2527 expand_builtin_memmove.
2528 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2530 2006-10-23 Paul Brook <paul@codesourcery.com>
2532 * stor-layout.c (start_record_layout): maximum_field_alignment
2533 overrides STRUCTURE_SIZE_BOUNDARY.
2535 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2537 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2538 nonlocal function symbols if flag_pic.
2540 2006-10-23 Richard Guenther <rguenther@suse.de>
2544 * builtins.c (fold_binary): Remove checks for flag_wrapv
2545 and flag_trapv where negate_expr_p covers these cases.
2547 2006-10-23 Richard Guenther <rguenther@suse.de>
2550 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2551 of two on the absolute value.
2552 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2553 and negating -C does not overflow.
2555 2006-10-23 Richard Guenther <rguenther@suse.de>
2558 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2559 only if not flag_rounding_math.
2561 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2562 Kaz Kojima <kkojima@gcc.gnu.org>
2565 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2566 SImode memory reference for the source of a movua.
2567 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2568 (movua): Use an unspec instead of sign_extract. Expect the source
2569 to have mode BLKmode.
2570 (extv, insv): Use a BLKmode rather than SImode memory reference
2571 for the source of a movua.
2573 2006-10-22 Jeff Law <law@redhat.com>
2574 Richard Guenther <rguenther@suse.de>
2576 PR tree-optimization/15911
2577 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2578 (register_edge_assert_for_1): Likewise.
2579 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2580 (find_conditional_asserts): Adjust for new function signature.
2581 (find_assert_locations): Likewise.
2583 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2585 * config/i386/tmmintrin.h: Remove the duplicated content.
2587 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2589 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2590 (x86_64-*-*): Likewise.
2592 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2593 (override_options): Check SSSE3.
2594 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2595 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2596 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2597 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2598 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2599 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2600 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2601 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2602 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2603 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2604 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2605 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2606 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2607 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2608 IX86_BUILTIN_PABSD128.
2609 (bdesc_2arg): Add SSSE3.
2610 (bdesc_1arg): Likewise.
2611 (ix86_init_mmx_sse_builtins): Support SSSE3.
2612 (ix86_expand_builtin): Likewise.
2613 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2615 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2616 (UNSPEC_PSIGN): Likewise.
2617 (UNSPEC_PALIGNR): Likewise.
2618 Include mmx.md before sse.md.
2620 * config/i386/i386.opt: Add -mssse3.
2622 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2623 (ssse3_phaddwv4hi3): Likewise.
2624 (ssse3_phadddv4si3): Likewise.
2625 (ssse3_phadddv2si3): Likewise.
2626 (ssse3_phaddswv8hi3): Likewise.
2627 (ssse3_phaddswv4hi3): Likewise.
2628 (ssse3_phsubwv8hi3): Likewise.
2629 (ssse3_phsubwv4hi3): Likewise.
2630 (ssse3_phsubdv4si3): Likewise.
2631 (ssse3_phsubdv2si3): Likewise.
2632 (ssse3_phsubswv8hi3): Likewise.
2633 (ssse3_phsubswv4hi3): Likewise.
2634 (ssse3_pmaddubswv8hi3): Likewise.
2635 (ssse3_pmaddubswv4hi3): Likewise.
2636 (ssse3_pmulhrswv8hi3): Likewise.
2637 (ssse3_pmulhrswv4hi3): Likewise.
2638 (ssse3_pshufbv16qi3): Likewise.
2639 (ssse3_pshufbv8qi3): Likewise.
2640 (ssse3_psign<mode>3): Likewise.
2641 (ssse3_psign<mode>3): Likewise.
2642 (ssse3_palignrti): Likewise.
2643 (ssse3_palignrdi): Likewise.
2644 (abs<mode>2): Likewise.
2645 (abs<mode>2): Likewise.
2647 * config/i386/tmmintrin.h: New file.
2649 * doc/extend.texi: Document SSSE3 built-in functions.
2651 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2653 2006-10-22 Ira Rosen <irar@il.ibm.com>
2655 * tree-vect-transform.c (vectorizable_load): Use the type of the
2656 return value of the mask_for_load builtin to create realign_load
2659 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2661 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2664 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2666 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2667 (UNSPEC_LDDQU): This.
2668 * config/i386/sse.md (sse3_lddqu): Updated.
2670 2006-10-21 Richard Guenther <rguenther@suse.de>
2672 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2673 (expand_builtin): Use it to expand lrint instead of
2674 expand_builtin_mathfn.
2676 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2679 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2680 flag_unsafe_math_optimizations is set.
2682 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2685 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2686 patterns to use memory input operand in x87->mem->XMM
2687 reload sequences. Skip transformation for TARGET_K8.
2689 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2691 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2692 force operand1 to register if both operands are memory operands.
2693 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2694 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2695 if both operands are memory operands.
2696 (truncdfsf2): Do not force operand1 to register if both operands
2697 are memory operands.
2699 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2701 * Makefile.in (LIBS): Add $(GMPLIBS).
2702 * doc/install.texi: Update GMP and MPFR requirements.
2703 * doc/sourcebuild.texi (need_gmp): Delete.
2705 2006-10-21 Richard Guenther <rguenther@suse.de>
2707 PR tree-optimization/3511
2708 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2709 got new invariant arguments during PHI translation.
2711 2006-10-21 Richard Guenther <rguenther@suse.de>
2714 * fold-const.c (fold_comparison): Fold signed comparisons
2715 of the form X +- C1 CMP Y +- C2.
2717 2006-10-21 Richard Guenther <rguenther@suse.de>
2720 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2721 if flag_unsafe_math_optimizations is specified. We have
2722 flag_finite_math_only for that.
2723 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2724 or flag_unsafe_math_optimizations.
2726 2006-10-21 Richard Guenther <rguenther@suse.de>
2728 * builtins.c (fold_builtin_classify): Fix typo.
2730 2006-10-21 Richard Guenther <rguenther@suse.de>
2733 * simplify-rtx.c (simplify_const_relational_operation):
2734 Do not constant-fold ORDERED and UNORDERED for
2735 flag_unsafe_math_optimizations but only we do not need to
2736 honor NaNs for the given mode.
2738 2006-10-21 Richard Guenther <rguenther@suse.de>
2741 * config/i386/i386.c (classify_argument): Remove redundant
2742 walking of the BINFOs.
2743 (contains_128bit_aligned_vector_p): Likewise.
2745 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2747 * BASE-VER: Set to 4.3.0.
2749 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2751 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2752 (tree_decl_with_vis): Remove artificial_pta_var flag.
2753 * tree-flow.h (referenced_var_check_and_insert): Expose.
2754 (nonlocal_all): New prototype.
2755 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2756 (nonlocal_all): Make global.
2757 (nonlocal_lookup): Remove.
2758 (nonlocal_insert): Ditto.
2759 (create_nonlocal_var): Do not call nonlocal_insert.
2760 (get_nonlocal_id_for_type): Remove.
2761 (find_global_initializers): Mark new vars we find for renaming.
2762 (intra_create_variable_infos): Only create one nonlocal.
2763 (expand_nonlocal_solutions): Remove.
2764 (compute_points_to_sets): Don't call it.
2765 (ipa_pta_execute): Ditto.
2766 (init_alias_heapvars): Don't create nonlocal_for_type.
2767 (delete_alias_heapvars): Don't remove it.
2768 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2771 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2773 * doc/install.texi (Downloading GCC): Clarify mention of
2774 Fortran in the "full distribution" description.
2776 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2778 Fix PR tree-optimization/28778
2779 Fix PR tree-optimization/29156
2780 Fix PR tree-optimization/29415
2781 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2782 (tree_decl_with_vis): Add artificial_pta_var flag.
2783 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2784 pushed into callers.
2785 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2786 (nonlocal_all): Ditto.
2787 (struct variable_info): Add directly_dereferenced member.
2788 (var_escaped_vars): New variable.
2789 (escaped_vars_tree): Ditto.
2790 (escaped_vars_id): Ditto.
2791 (nonlocal_vars_id): Ditto.
2792 (new_var_info): Set directly_dereferenced.
2793 (graph_size): New variable
2794 (build_constraint_graph): Use graph_size.
2795 (solve_graph): Don't process constraints that cannot change the
2796 solution, don't try to propagate an empty solution to our
2798 (process_constraint): Set directly_dereferenced.
2799 (could_have_pointers): New function.
2800 (get_constraint_for_component_ref): Don't process STRING_CST.
2801 (nonlocal_lookup): New function.
2802 (nonlocal_insert): Ditto.
2803 (create_nonlocal_var): Ditto.
2804 (get_nonlocal_id_for_type): Ditto.
2805 (get_constraint_for): Allow results vector to be empty in the case
2806 of string constants.
2807 Handle results of calls properly.
2808 (update_alias_info): Update alias info stats on number and type of
2810 (find_func_aliases): Use could_have_pointers.
2811 (make_constraint_from_escaped): Renamed from
2812 make_constraint_to_anything, and changed to make constraints from
2814 (make_constraint_to_escaped): New function.
2815 (find_global_initializers): Ditto.
2816 (create_variable_info_for): Make constraint from escaped to any
2817 global variable, and from any global variable to the set of
2819 (intra_create_variable_infos): Deal with escaped instead of
2820 pointing to anything.
2821 (set_uids_in_ptset): Do type pruning on directly dereferenced
2823 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2824 (init_base_vars): Fix comment, and initialize escaped_vars.
2825 (need_to_solve): Removed.
2826 (find_escape_constraints): New function.
2827 (expand_nonlocal_solutions): Ditto.
2828 (compute_points_to_sets): Call find_escape_constraints and
2829 expand_nonlocal_solutions.
2830 (delete_points_to_sets): Don't fall off the end of the graph.
2831 (init_alias_heapvars): Initialize nonlocal_for_type and
2833 (delete_alias_heapvars): Free nonlocal_for_type and null out
2836 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2838 * fold-const.c (add_double): Rename to add_double_with_sign.
2839 Add 'unsigned_p' parameter and take it into account for the overflow.
2840 (mul_double): Rename to mul_double_with_sign.
2841 Add 'unsigned_p' parameter and take it into account for the overflow.
2842 (fold_div_compare): Call add_double_with_sign instead of add_double
2843 and mul_double_with_sign instead of mul_double, passing them the
2844 unsignedness of the type.
2845 * tree.h (add_double): Macroize.
2846 (add_double_with_sign): New prototype.
2847 (mul_double): Macroize.
2848 (mul_double_with_sign): New prototype.
2850 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2852 * config/score/crti.asm: New file.
2853 * config/score/crtn.asm: New file.
2854 * config/score/elf.h: New file.
2855 * config/score/mac.md: New file.
2856 * config/score/misc.md: New file.
2857 * config/score/mul-div.S: New file.
2858 * config/score/predicates.md: New file.
2859 * config/score/score7.md: New file.
2860 * config/score/score.c: New file.
2861 * config/score/score-conv.h: New file.
2862 * config/score/score.h: New file.
2863 * config/score/score.md: New file.
2864 * config/score/score-mdaux.c: New file.
2865 * config/score/score-mdaux.h: New file.
2866 * config/score/score-modes.def: New file.
2867 * config/score/score.opt: New file.
2868 * config/score/score-protos.h: New file.
2869 * config/score/score-version.h: New file.
2870 * config/score/t-score-elf: New file.
2871 * config.gcc: Add score*-*-* configurations(Update before).
2872 * doc/invoke.texi (Score Options): New section.
2873 * doc/md.texi (Score family): New section to document constraints.
2875 2006-10-19 Nick Clifton <nickc@redhat.com>
2877 * config/arm/arm.c: Fix spelling typo.
2879 2006-10-18 Tom Tromey <tromey@redhat.com>
2881 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2883 2006-10-18 Jan Hubicka <jh@suse.cz>
2886 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2889 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2891 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2892 TSI_SAME_STMT, since that's the desired entity.
2894 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2896 * config/s390/contraints.md: New file.
2897 * config/s390/s390-protos.h (s390_mem_constraint,
2898 s390_O_constraint_str, s390_N_constraint_str,
2899 s390_float_const_zero_p): Function prototypes added.
2900 * config/s390/s390.c (s390_extra_constraint_str,
2901 s390_const_double_ok_for_constraint_p,
2902 s390_const_ok_for_constraint_p): Functions removed.
2903 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2904 s390_float_const_zero_p): New functions.
2905 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2906 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2907 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2908 Macro definitions removed.
2909 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2910 s390_extra_constraint_str): Functions removed.
2912 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2913 Richard Sandiford <richard@codesourcery.com>
2916 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2917 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2919 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2921 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2922 (DWARF2_FRAME_REG_OUT): Likewise.
2923 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2924 (DWARF2_FRAME_REG_OUT): Likewise.
2926 2006-10-17 Paul Brook <paul@codesourcery.com>
2928 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2930 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2932 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2933 Standardize on "GNU Fortran" as the official name of the Fortran
2936 2006-10-16 Mike Stump <mrs@apple.com>
2938 * doc/invoke.texi (Darwin Options): Document -mkernel.
2939 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2941 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2942 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2943 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2944 (OS_MISSING_ALTIVEC): Add.
2945 * config/i386/i386.c (override_options): Add
2946 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2947 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2948 -mkernel, -static or -mdynamic-no-pic is given.
2949 (C_COMMON_OVERRIDE_OPTIONS): Add.
2950 * config/darwin.opt (fapple-kext): Add.
2952 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2953 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2955 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2956 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2957 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2958 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2959 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2960 (flag_mkernel): Add.
2961 (flag_apple_kext): Add.
2962 (TARGET_KEXTABI): Add.
2963 * config/darwin.c (darwin_handle_kext_attribute): Add.
2964 (DARWIN_VTABLE_P): Add.
2965 (darwin_binds_local_p): Add partial support for rebinding vtables
2967 (darwin_kextabi_p): Add.
2968 (darwin_override_options): Add.
2969 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2970 (darwin_kextabi_p): Add.
2971 (darwin_override_options): Add.
2972 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2973 __DYNAMIC__ and __STATIC__ here.
2975 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2977 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2978 Added mention of "make pdf" target, and Texinfo requirements for
2981 2006-10-16 DJ Delorie <dj@redhat.com>
2983 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2984 into the GOT in case we need a subreg of the address.
2986 2006-10-16 Richard Guenther <rguenther@suse.de>
2989 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2990 SSE builtin documentation. Document SSE2 builtins.
2992 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2994 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2995 symbol in the output file for non-shared links when -nostdlib or
2996 -nodefaultlibs isn't specified.
2998 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2999 posix thread support.
3001 2006-10-15 Jan Hubicka <jh@suse.cz>
3004 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3005 declared always_inline even when not inlining.
3007 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3008 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3009 Andrew Pinski <pinskia@gmail.com>
3012 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3014 2006-10-15 Jan Hubicka <jh@suse.cz>
3015 Richard Guenther <rguenther@suse.de>
3018 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3019 process_function_and_variable_attributes on all variables, including
3020 those discovered during cgraph construction phase.
3022 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3024 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3026 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3028 * config/i386/athlon.md (athlon_fist): Add fisttp.
3030 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3031 Ian Lance Taylor <ian@airs.com>
3034 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3035 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3038 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3040 * config/score/score.c, config/score/score.h: Fix comment
3043 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3046 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3049 2006-10-13 Eric Christopher <echristo@apple.com>
3051 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3053 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3056 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3057 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3058 alignment supported by 32-bit ELF.
3060 2006-10-13 Eric Christopher <echristo@apple.com>
3062 * config/darwin.c (darwin_emit_unwind_label): Strip
3063 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3065 2006-10-13 Richard Guenther <rguenther@suse.de>
3067 PR tree-optimization/29446
3068 * tree-vrp.c (fix_equivalence_set): Remove.
3069 (extract_range_from_assert): Do not call fix_equivalence_set.
3070 (debug_value_range): Print a newline.
3071 (compare_name_with_value): For equivalence sets with
3072 inconsistent value ranges conservatively bail out.
3073 (compare_names): Likewise.
3075 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3077 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3078 and MPFR for gfortran.
3080 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3082 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3083 alignment supported by 32-bit ELF.
3085 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3089 * c-typeck.c (digest_init): Always allow initializing vectors
3090 that have static storage duration with compound literals.
3091 * tree.c (build_type_attribute_qual_variant): New, based on
3092 build_type_attribute_variant.
3093 (build_type_attribute_variant): Rewrite using the former.
3094 (make_vector_type): Use build_type_attribute_qual_variant to build
3095 type variants. Use type_hash_canon on the others.
3097 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3098 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3100 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3102 2006-10-12 Jan Hubicka <jh@suse.cz>
3105 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3106 current_function_decl is set but current_function_scope is not.
3108 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3110 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3111 emit_insn to emit eh_return_internal instruction.
3112 (eh_return_internal): Explicitly set pc.
3114 2006-10-11 Richard Guenther <rguenther@suse.de>
3116 PR tree-optimization/28230
3117 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3118 to the correct place.
3120 2006-10-11 Richard Guenther <rguenther@suse.de>
3123 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3126 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3128 * configure.ac: Added pdf to "Make-hooks"
3129 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3130 targets and *.pdf file patterns in cleanup targets.
3131 * configure: Regenerated.
3133 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3135 * config/avr/predicates.md: New file.
3136 * config/avr/avr.md: Include it.
3137 (REG_SP): New constant.
3138 (peepholes): Use predicates.
3139 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3140 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3141 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3143 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3145 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3148 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3151 * builtins.c (var_decl_component_p): New function.
3152 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3153 single entry optimization to variables and components thereof.
3155 2006-10-10 Richard Guenther <rguenther@suse.de>
3157 PR rtl-optimization/29323
3158 * except.c (set_nothrow_function_flags): For functions
3159 that do not bind local bail out early.
3161 2006-10-10 Ben Elliston <bje@au.ibm.com>
3163 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3166 2006-10-09 Richard Henderson <rth@redhat.com>
3168 Revert emutls patch.
3170 2006-10-09 Richard Guenther <rguenther@suse.de>
3173 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3176 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3179 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3180 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3181 * configure: Regenerate.
3182 * config.in: Regenerate.
3184 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3186 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3188 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3190 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3191 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3192 Remove stray newline.
3194 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3196 * config/mips/mips.c (mips_classify_symbol): Do not return
3197 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3198 (mips_in_small_data_p): Tweak comments.
3200 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3202 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3204 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3206 * gimplify.c, sched-int.h: Fix comment typos.
3208 * sched-int.h: Fix comment typos.
3210 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3212 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3214 * sched-ebb.c (begin_schedule_ready): Use them.
3215 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3216 add_to_speculative_block, create_check_block_twin, speculate_insn,
3217 fix_jump_move, move_block_after_check): Ditto.
3218 * sched-rgn.c (new_ready): Ditto.
3220 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3222 PR rtl-optimization/29128
3223 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3224 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3225 allow interblock movement of speculation checks.
3227 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3230 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3231 casted to integer type.
3232 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3233 if they are significantly more expensive than [reg + index] ones.
3235 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3237 PR tree-optimization/29330
3238 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3239 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3240 on newly allocated ddrs.
3241 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3242 to VEC (loop_p, heap) pointer.
3243 (compute_data_dependences_for_loop): Adjust caller.
3244 (free_dependence_relations): Free DDR_LOOP_NEST.
3246 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3247 free DEPENDENCE_RELATIONS and DATAREFS.
3250 * builtins.c (expand_builtin_sync_operation,
3251 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3252 Use convert_to_mode to handle promoted arguments.
3254 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3256 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3258 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3260 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3262 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3264 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3265 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3266 Use <modeconstraint> instead of "r" as operand 1 constraint.
3268 2006-10-06 Olivier Hainque <hainque@adacore.com>
3270 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3271 Don't recurse on the pointed-to type.
3272 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3273 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3274 types with components of variable size.
3276 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3278 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3280 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3282 PR tree-optimization/29290
3283 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3287 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3288 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3291 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3292 the number of vector elements fill the rest with zeros.
3294 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3296 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3297 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3300 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3302 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3303 unnamed pattern into subsi3. Use correct constraints/predicates.
3304 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3305 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3307 2006-10-05 Ira Rosen <irar@il.ibm.com>
3309 * doc/loop.texi: Add data references analysis description.
3311 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3313 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3315 2006-10-04 Richard Henderson <rth@redhat.com>
3316 Jakub Jelinek <jakub@redhat.com>
3318 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3319 * builtin-types.def (BT_WORD): Make unsigned.
3320 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3321 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3322 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3323 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3324 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3325 * cgraph.c (decide_is_variable_needed): Look at force_output.
3326 Recurse for emulated tls.
3327 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3328 checks redundant with decide_is_variable_needed.
3329 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3330 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3332 * expr.c (emutls_var_address): New.
3333 (expand_expr_real_1): Expand emulated tls.
3334 (expand_expr_addr_expr_1): Likewise.
3335 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3336 * output.h (emutls_finish): Declare.
3337 * toplev.c (compile_file): Call it.
3338 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3339 address before wrapping in CONST.
3340 * varasm.c (emutls_htab, emutls_object_type): New.
3341 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3342 (get_emutls_object_name, get_emutls_object_type): New.
3343 (get_emutls_init_templ_addr, emutls_decl): New.
3344 (emutls_common_1, emutls_finish): New.
3345 (assemble_variable): When emulating tls, swap decls; generate
3346 constructor for the emutls objects.
3347 (do_assemble_alias): When emulating tls, swap decl and target name.
3348 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3350 * emutls.c: New file.
3351 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3352 tls_object for real tls.
3354 2006-10-04 Zack Weinberg <zackw@panix.com>
3356 Fix bug in constraint-check generator, reported by Rask Ingemann
3358 * genpreds.c (add_constraint): Don't remove anything from the
3360 (write_tm_constrs_h): Detect whether "op" argument is used, and
3361 mark it ARG_UNUSED if it isn't.
3362 (write_insn_const_int_ok_for_constraint): Skip the part of the
3363 expression that would test whether "op" (which is not available
3364 here) is a CONST_INT.
3366 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3369 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3371 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3373 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3374 current Leopard versions.
3375 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3377 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3379 * doc/install.texi: Fix typos.
3381 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3383 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3384 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3385 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3387 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3389 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3390 arg to be struct mach_header_64* instead.
3392 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3395 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3396 side effects after the outer expression's post side effects.
3398 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3400 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3401 comments to reflect actual behavior and relationship between
3402 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3404 * doc/c-tree.texi (Working with declarations): Fix documentation
3405 of FIELD_DECL likewise.
3407 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3410 * doc/extend.texi: Add used variable attribute description.
3412 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3415 * c.opt (Woverride-init): New.
3416 * c-opts.c (c_common_post_options): Default warn_override_init to
3418 * c-typeck.c (add_pending_init, output_init_element): Warn for
3419 overriding initializers without side effects.
3420 * doc/invoke.texi (-Woverride-init): Document.
3423 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3425 PR rtl-optimization/28096
3426 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3427 assignment has already been used as a destination earlier in the block.
3429 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3431 * builtins.c (expand_builtin_setjmp): Delete.
3432 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3433 <BUILT_IN_SETJMP_SETUP>: New case.
3434 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3435 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3436 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3437 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3438 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3439 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3440 (lower_function_body): Initialize it to false. If it is set to true
3441 at the end of the processing, emit the setjmp dispatcher.
3442 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3443 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3444 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3445 on the rhs of the assignment.
3446 (lower_builtin_setjmp): New function.
3447 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3448 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3449 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3450 to detect calls that can go to non-local labels. Use specific
3451 helper to create the abnormal edges associated with them.
3452 <MODIFY_EXPR>: Likewise.
3453 (make_abnormal_goto_edges): New function extracted from...
3454 (make_goto_expr_edges): ...here. Call it for computed gotos.
3455 (simple_goto_p): Minor tweak.
3456 (tree_can_make_abnormal_goto): New predicate.
3457 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3458 (tree_purge_dead_abnormal_call_edges): New function.
3459 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3460 (tree_purge_dead_abnormal_call_edges): Likewise.
3461 (make_abnormal_goto_edges): Likewise.
3462 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3463 Purge all dead abnormal edges if the call was in the last statement.
3464 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3465 (execute_fixup_cfg): If there are non-local labels in the function,
3466 scan the basic blocks and split them at calls that can go to non-local
3467 labels or add missing abnormal call edges. Write down the CFG in the
3469 (pass_fixup_cfg): Remove TODO_dump_func flag.
3470 * unwind-sjlj.c: Poison setjmp.
3471 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3472 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3473 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3474 (DONT_USE_BUILTIN_SETJMP): Document it.
3476 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3479 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3480 to 1 when __ppc64__ is defined.
3481 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3483 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3485 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3487 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3488 * config/ia64/unwind-hpux.c: Delete.
3490 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3492 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3493 on the element before gimplifying it, instead of punting if it is of
3496 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3498 * doc/loop.texi: New file.
3499 * doc/gccint.texi: Reference loop.texi.
3500 * Makefile.in (loop.texi): Add.
3502 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3504 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3506 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3507 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3509 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3511 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3513 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3515 * doc/install.texi: Document required versions of GMP and MPFR.
3517 2006-09-27 Paul Brook <paul@codesourcery.com>
3520 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3522 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3524 * reload1.c (alter_reg): Require the alignment of the stack slot to
3525 be at least reg_max_ref_width bytes.
3526 (scan_paradoxical_subregs): Record the largest width in
3529 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3533 * tree-nested.c (struct nesting_info): Added static_chain_added.
3534 (convert_call_expr): Set static_chain_added when adding static
3535 chain. Handle OMP_PARALLEL and OMP_SECTION.
3537 2006-09-25 Matthias Klose <doko@debian.org>
3539 * doc/invoke.texi: Add missing full stop.
3541 2006-09-25 Richard Henderson <rth@redhat.com>
3543 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3544 before cgraph_function_flags_ready.
3546 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3547 Adam Nemet <anemet@caviumnetworks.com>
3549 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3550 determine_common_wider_type): New functions.
3551 (get_computation_aff): Use them to simplify arithmetic between
3552 UBASE and CBASE if they are shortened from the same type.
3554 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3557 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3558 -2147483647 - 1 instead of 0x80000000.
3560 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3562 * flags.h (HONOR_NANS): Fix typo in comment.
3564 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3566 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3568 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3572 * tree.c (merge_attributes, attribute_list_contained): If both
3573 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3575 * c-typeck.c (comptypes_internal): Don't consider aggregates
3576 in different TUs as compatible if there one set of attributes is
3577 not a subset of the other type's attributes.
3578 (composite_type): Try harder not to create a new aggregate type.
3580 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3582 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3583 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3584 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3585 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3586 than replicating condition above.
3587 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3589 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3590 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3591 the linker by default.
3593 2006-09-22 Mike Stump <mrs@apple.com>
3595 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3598 2006-09-22 Richard Guenther <rguenther@suse.de>
3601 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3602 sort of stack variables stable.
3604 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3607 * explow.c (force_reg): Set REG_POINTER flag according to
3610 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3612 PR tree-optimization/28888
3613 * tree-if-conv.c (combine_blocks): Rewritten.
3614 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3615 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3617 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3619 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3622 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3624 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3626 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3628 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3630 2006-09-21 Roger Sayle <roger@eyesopen.com>
3633 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3634 dw_fde_current_label, to be the start of the function, i.e. the same
3635 value as dw_fde_begin.
3637 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3639 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3640 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3641 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3642 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3643 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3644 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3645 (abs<mode>2, neg<mode>2): Likewise.
3646 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3647 (*mips_abs_ps): New define_insn.
3649 2006-09-20 Josh Conner <jconner@apple.com>
3652 * calls.c (expand_call): Allow reuse of structure return stack
3655 2006-09-20 Paul Brook <paul@codesourcery.com>
3657 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3660 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3662 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3663 clean up terminology.
3665 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3668 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3669 with tablejumps in them.
3671 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3674 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3675 wrap it into TARGET_EXPR.
3677 2006-09-20 Eric Christopher <echristo@apple.com>
3679 * config/i386/i386.c (x86_fisttp): Remove.
3680 * config/i386/i386.h (x86_fisttp): Ditto.
3681 (TARGET_FISTTP): Ditto.
3683 2006-09-19 Eric Christopher <echristo@apple.com>
3685 * doc/tm.texi (OBJC_JBLEN): Describe.
3686 * config/i386/darwin.h (OBJC_JBLEN): Define.
3687 * config/rs6000/darwin.h: Ditto.
3689 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3691 PR rtl-optimization/21299
3692 * reload1.c (reload): Purge invalid ASMs in the final pass.
3694 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3697 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3698 pointers as legitimate constants.
3700 2006-09-19 Paul Brook <paul@codesourcery.com>
3703 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3705 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3707 PR tree-optimization/28887
3708 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3709 component parts from the reference.
3710 (gather_memory_references_ref): Record the reference without the
3711 nonaddressable component parts.
3713 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3716 * c-opts.c (c_common_handle_option): Ignore the -std options
3717 if the input language is assembly.
3719 2006-09-17 Ira Rosen <irar@il.ibm.com>
3722 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3724 (ptr_ptr_may_alias_p): Likewise.
3725 (record_record_differ_p): New function.
3726 (base_object_differ_p): Call record_record_differ_p.
3728 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3731 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3732 away for the expr argument.
3734 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3737 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3738 before using it for dumping after vectorizing loops.
3740 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3741 Jack Howarth <howarth@bromo.med.uc.edu>
3744 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3745 skip on error_mark_node.
3746 (rs6000_darwin64_record_arg_recurse): Likewise.
3748 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3750 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3751 * doc/rtl.texi: Remove related documentation.
3753 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3755 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3758 2006-09-15 Jim Wilson <wilson@specifix.com>
3760 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3761 Handle symbol offsets same as they are handled in ia64_expand_move
3764 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3766 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3767 Add forgotten parameter to the fprintf call.
3769 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3771 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3773 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3775 * doc/contrib.texi: Add my entry.
3777 2006-09-15 Nick Clifton <nickc@redhat.com>
3779 * doc/md.texi (Processor pipeline description): Fix typo in
3780 example of how to use the absence_set directive and reword the
3781 description to make it slightly easier to read.
3783 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3785 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3786 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3787 expanding the number of iterations.
3788 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3790 * cfgrtl.c (emit_insn_at_entry): New function.
3791 * rtl.h (emit_insn_at_entry): Declare it.
3792 * integrate.c (emit_initial_value_sets): Use it.
3794 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3796 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3798 (struct loop_work and related VEC declarations): Delete.
3799 (bfin_dump_loops): Print out new member bad.
3800 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3801 (bfin_scan_loop): Don't recurse.
3802 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3803 loops. No longer need to update outer loops if the current one is
3804 found bad. Move some validitiy checks to bfin_discover_loop.
3805 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3806 but changed not to check for nesting. Also changed to use the new bad
3808 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3809 time. Use bitmap based test to discover loop nesting.
3811 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3813 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3816 2006-09-14 Richard Guenther <rguenther@suse.de>
3817 Kazu Hirata <kazu@codesourcery.com>
3819 PR middle-end/28884.
3820 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3821 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3822 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3823 with TARGET_FUNCTION_VALUE.
3825 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3828 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3830 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3832 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3835 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3838 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3841 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3843 * basic_block.h (bb_has_eh_pred): Fix comment.
3845 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3847 * flow.c (calculate_global_regs_live): Invalidate eh registers
3848 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3849 (propagate_block): Handle eh registers as if they were set at basic
3851 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3853 * global.c (global_conflicts): Make eh registers to conflict with
3854 pseudos live at basic block begin.
3855 * basic_block.h (bb_has_eh_pred): New function.
3857 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3859 PR rtl-optimization/28982
3860 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3861 index of a PRE_MODIFY or POST_MODIFY address.
3862 * reload1.c (inc_for_reload): Use find_replacement on the original
3863 base and index registers.
3865 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3867 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3868 for -Os. Update __m128 alignment requirement.
3870 2006-09-13 Jan Hubicka <jh@suse.cz>
3872 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3874 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3876 PR rtl-optimization/28243
3877 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3878 the insn to which the note was originally attached.
3880 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3881 Roger Sayle <roger@eyesopen.com>
3883 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3884 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3885 on platforms that don't use dwarf for debug info.
3887 2006-09-12 Jason Merrill <jason@redhat.com>
3890 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3891 hard_frame_pointer_rtx after using it to update the frame pointer.
3893 2006-09-12 Roger Sayle <roger@eyesopen.com>
3895 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3896 (TARGET_ASM_CLOSE_PAREN): Likewise.
3897 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3898 (TARGET_ASM_CLOSE_PAREN): Likewise.
3900 2006-09-12 Roger Sayle <roger@eyesopen.com>
3903 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3904 frame information for frames larger than 512 Kbytes on Tru64 when
3905 using the native assembler.
3907 2006-09-12 Roger Sayle <roger@eyesopen.com>
3911 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3912 and symbols. Instead use the implementation from cse.c's hash_rtx.
3914 2006-09-12 Jan Hubicka <jh@suse.cz>
3916 PR rtl-optimization/28071
3917 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3918 (vect_transform_loop): Likewise.
3919 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3920 (new_loop_vec_info): Likewise.
3921 (destroy_loop_vec_info): Likewise.
3922 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3923 (create_stmt_ann): Likewise.
3924 (create_tree_ann): Rename to ...
3925 (create_tree_common_ann): ... this one; allocate only the common part
3927 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3928 (get_value_handle): Likewise.
3929 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3930 get_tree_common_ann.
3931 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3932 (vinfo_for_stmt): Use stmt annotations.
3933 * tree-flow.h (tree_ann_common_t): New type.
3934 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3935 (tree_ann, get_tree_ann, create_tree_ann): New.
3936 * tree-flow-inline.h (get_function_ann): Do more type checking.
3937 (stmt_ann): Likewise.
3938 (tree_ann): Rename to ...
3939 (tree_common_ann): ... this one; return ony common_ann
3940 (get_tree_ann): Rename to ...
3941 (tree_common_ann): This one; return only common_ann.
3942 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3945 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3947 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3948 with_cpu by default.
3950 * dwarf2out.c (dwarf_file_data): New.
3951 (enum dw_val_class): Add dw_val_class_file.
3952 (struct dw_val_struct): Add val_file.
3953 (file_table): Change to a hash table.
3954 (file_table_emitted): Delete.
3955 (file_table_last_lookup_index): Delete.
3956 (emitcount): Delete.
3957 (last_emitted_file): New.
3958 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3959 (init_file_table): Delete.
3960 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3961 (AT_addr): Add comment.
3965 (print_die): Handle dw_val_class_file.
3966 (print_dwarf_line_table): Update for new file table structure.
3967 (attr_checksum): Do checksum a filename.
3968 (same_dw_val_p, same_attr_p): Do compare a filename.
3969 (size_of_die): Handle dw_val_class_file.
3970 (value_format): Likewise.
3971 (output_die): Likewise. Also, call maybe_emit_file here.
3972 (struct file_info): Constify filenames. Make file_idx a pointer
3973 to a struct dwarf_file_data.
3974 (struct dir_info): Constify directory names. Remove 'used' field.
3975 (struct file_name_acquire_data): New.
3976 (file_name_acquire): New.
3977 (output_file_names): Modify to handle new file data structures.
3978 (add_src_coords_attributes): Use add_AT_file.
3979 (add_call_src_coords_attributes): Likewise.
3980 (dwarf2out_imported_module_or_decl): Likewise.
3981 (gen_subprogram_die): Modify for new file data structures.
3982 (gen_variable_die): Likewise.
3983 (file_table_eq): New.
3984 (file_table_hash): New.
3985 (file_table_last_lookup): New.
3986 (lookup_filename): Rewrite to handle new file data structures.
3987 (maybe_emit_file): Rewrite to handle new file data structures.
3988 (dwarf2out_source_line): Always call lookup_filename and
3990 (dwarf2out_init): Create file_table here.
3991 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3992 (file_table_relative_p): New.
3993 (dwarf2out_finish): Change detection of relative filenames
3994 to work with new file data structures. Move output_line_info call
3995 after debug_info output.
3997 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4002 * config/i386/i386.c (override_options): Always default to 16
4003 byte stack boundary.
4005 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4008 * var-tracking.c (dump_dataflow_set): Start dumping at
4010 (clobber_variable_part): Kill only the variable part in
4011 registers holding it, leaving other variables alone.
4013 2006-09-11 Josh Triplett <josh@freedesktop.org>
4015 * doc/extend.texi (Other Builtins): Actually use the macro
4016 argument in the documentation example for
4017 __builtin_types_compatible_p.
4019 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4021 PR rtl-optimization/28726
4022 * sched-deps.c (sched_analyze_reg): New function extracted from...
4023 (sched_analyze_1): ...here. Call it to analyze references to
4024 registers. Treat again writes to a stack register as writing to the
4026 (sched_analyze_2): ...and here. Call it to analyze references to
4027 registers. Treat again reads of a stack register as reading the
4030 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4031 David Edelsohn <edelsohn@gnu.org>
4034 * config/rs6000/spe.md (frob_df_di): Remove %H.
4035 (frob_di_df): Remove %H. Change evmergelo to mr.
4036 (frob_di_df_2): Remove %H. Change evldd to two loads.
4038 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4040 * doc/cpp.texi: Fix names of charset options.
4042 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4045 * config/i386/i386.c (override_options): Use 128-bit
4046 stack boundary always for 64bits.
4048 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4050 PR rtl-optimization/28636
4051 * combine.c (force_to_mode): Test for side-effects before
4052 substituting by zero.
4053 (simplify_shift_const): Likewise for zero or other constants.
4055 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4058 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4061 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4064 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4065 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4066 returned by mode_for_size, rather than the mode of src itself,
4067 to choose between 32-bit and 64-bit patterns.
4068 (mips_mem_fits_mode_p): New function.
4069 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4070 that the size of the source matches the size of the destination.
4071 (mov_<store>l, mov_<store>r): Likewise.
4073 2006-09-10 Eric Christopher <echristo@apple.com>
4075 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4078 2006-09-09 Eric Christopher <echristo@apple.com>
4081 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4084 2006-09-09 Roger Sayle <roger@eyesopen.com>
4085 Nicolas Setton <setton@adacore.com>
4087 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4089 2006-09-10 Andreas Schwab <schwab@suse.de>
4091 * config/m68k/m68k.md (bungt_rev): New pattern.
4093 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4094 Dale Johannesen <dalej@apple.com>
4097 * regclass.c (struct reg_pref): Update documentation.
4098 (regclass): Set prefclass to NO_REGS if memory is the best option.
4099 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4101 2006-09-08 Eric Christopher <echristo@apple.com>
4103 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4104 * config/t-slibgcc-darwin: Support x86_64 multilib.
4105 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4106 Return 1 for x86_64-darwin.
4107 * config/i386/t-darwin: Add m64 multilib.
4108 (LIB2_SIDITI_CONV_FUNCS): Use.
4109 (LIB2FUNCS_EXTRA): Ditto.
4110 * config/i386/darwin.h: Support x86_64.
4111 * config/i386/i386.c (override_options): Turn on flag_pic
4112 for x86_64-darwin. Disable flag_omit_pointer.
4113 (get_pc_thunk_name): Assert !TARGET_64BIT.
4114 (legitimate_address_p): Disable machopic addressing for
4116 (legitimize_pic_address): Ditto.
4117 (ix86_expand_move): Ditto.
4118 (ix86_expand_call): Ditto.
4119 (machopic_output_stub): Ditto.
4120 * config/darwin.c (machopic_select_section): Support literal16.
4121 (machopic_select_rtx_section): Ditto.
4122 * config/darwin-sections.def: Ditto.
4123 * config/darwin-64.c: New.
4125 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4128 * c-tree.h (struct c_arg_info): Add pending_sizes.
4129 * c-parser.c (c_parser_parms_declarator,
4130 c_parser_parms_list_declarator): Initialize pending_sizes.
4131 * c-decl.c (get_parm_info): Initialize pending_sizes.
4132 (get_parm_info): Set pending_sizes.
4133 (grokdeclarator): Call put_pending_sizes for parameters for
4134 function definition only.
4136 2006-09-07 Jason Merrill <jason@redhat.com>
4139 * varasm.c (output_constant): Only strip actual no-op conversions.
4142 * config/i386/i386.c (override_options): Use 128-bit
4143 stack boundary if -msse.
4145 2006-09-07 Eric Christopher <echristo@apple.com>
4147 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4149 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4152 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4154 * dwarf2out.c: Remove strange characters from comment above
4155 dwarf2out_frame_debug_expr.
4157 2006-09-07 Eric Christopher <echristo@apple.com>
4159 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4160 * config/darwin.h: ... to here.
4162 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4164 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4166 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4167 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4169 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4170 TARGET_PARTIAL_FLAG_REG_STALL.
4171 (*ashldi3_cconly_rex64): Likewise.
4172 (*ashlsi3_cmp): Likewise.
4173 (*ashlsi3_cconly): Likewise.
4174 (*ashlsi3_cmp_zext): Likewise.
4175 (*ashlhi3_cmp): Likewise.
4176 (*ashlhi3_cconly): Likewise.
4177 (*ashlqi3_cmp): Likewise.
4178 (*ashlqi3_cconly): Likewise.
4179 (*ashrdi3_cmp_rex64): Likewise.
4180 (*ashrdi3_cconly_rex64): Likewise.
4181 (*ashrsi3_cmp): Likewise.
4182 (*ashrsi3_cconly): Likewise.
4183 (*ashrsi3_cmp_zext): Likewise.
4184 (*ashrhi3_cmp): Likewise.
4185 (*ashrhi3_cconly): Likewise.
4186 (*ashrqi3_cmp): Likewise.
4187 (*ashrqi3_cconly): Likewise.
4188 (*lshrdi3_cmp_rex64): Likewise.
4189 (*lshrdi3_cconly_rex64): Likewise.
4190 (*lshrsi3_cmp): Likewise.
4191 (*lshrsi3_cconly): Likewise.
4192 (*lshrsi3_cmp_zext): Likewise.
4193 (*lshrhi3_cmp): Likewise.
4194 (*lshrhi3_cconly): Likewise.
4195 (*lshrqi2_cmp): Likewise.
4196 (*lshrqi2_cconly): Likewise.
4198 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4201 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4202 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4203 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4204 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4205 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4206 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4207 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4208 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4209 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4210 implement only CC setting effects of shift instructions.
4212 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4214 * doc/contrib.texi: Add myself.
4216 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4219 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4220 was set by the user.
4222 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4225 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4226 (divsi_inv_m1): Use them.
4227 (UNSPEC_DIV_INV_TABLE): New constant.
4229 2006-09-06 James E Wilson <wilson@specifix.com>
4232 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4233 then call count_or_remove_death_notes.
4235 2006-09-06 Jason Merrill <jason@redhat.com>
4238 * tree-inline.c (copy_result_decl_to_var): New fn.
4239 (declare_return_variable): Use it. Call declare_inline_vars here.
4240 (expand_call_inline): Not here.
4242 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4244 * doc/contrib.texi: Update my entry.
4246 2006-09-06 Nick Clifton <nickc@redhat.com>
4248 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4250 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4253 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4254 (canonicalize_induction_variables): Likewise.
4255 (tree_unroll_loops_completely): Likewise.
4256 (tree_ssa_prefetch_arrays): Likewise.
4257 (remove_empty_loops): Likewise.
4258 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4259 TODO_cleanup_cfg instead of directly calling
4260 cleanup_tree_cfg_loop.
4261 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4263 (tree_unroll_loops_completely): Likewise.
4264 (remove_empty_loops): Likewise.
4265 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4266 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4267 of tree_ssa_unswitch_loops.
4268 (tree_ssa_loop_ivcanon): Use the return value of
4269 canonicalize_induction_variables.
4270 (tree_ssa_empty_loop): Use the return value of
4272 (tree_complete_unroll): Use the return value of
4273 tree_unroll_loops_completely.
4274 (tree_ssa_loop_prefetch): Use the return value of
4275 tree_ssa_prefetch_arrays.
4276 * passes.c (execute_todo): Before Cleanup CFG, set
4277 updating_used_alone and after cleanup CFG, call
4278 recalculate_used_alone.
4280 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4283 * tree-vect-transform.c (vectorizable_condition): Move the check
4284 for the type after the check for simple condition.
4286 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4287 Kaz Kojima <kkojima@gcc.gnu.org>
4290 * mode-switching.c (optimize_mode_switching): Make the destination
4291 block of an abnormal edge have no anticipatable mode. Don't
4292 insert mode switching code at the end of the source block of
4295 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4297 PR rtl-optimization/26847
4298 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4299 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4300 (simplify_plus_minus): Count n_constants while filling ops. Replace
4301 qsort with insertion sort. Before going through the array to simplify
4302 pairs, sort it. Delay early exit until after the first sort, exiting
4303 only if no swaps occurred. Simplify pairs in reversed order, without
4304 special-casing the first iteration. Pack ops after simplifying pairs.
4306 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4308 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4309 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4310 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4311 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4313 2006-09-05 Richard Guenther <rguenther@suse.de>
4315 PR tree-optimization/28900
4316 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4317 compound conditional before creating COND_EXPR condition.
4319 2006-09-05 Richard Guenther <rguenther@suse.de>
4321 PR tree-optimization/28905
4322 * tree-vrp.c (fix_equivalence_set): Manually implement
4323 !value_ranges_intersect_p to also handle symbolic ranges.
4325 2006-09-05 Richard Guenther <rguenther@suse.de>
4328 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4331 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4333 PR rtl-optimization/27616
4334 * cse.c (table_size): New static variable.
4335 (new_basic_block): Initialize it to 0.
4336 (remove_from_table): Decrement it.
4337 (insert): Increment it.
4338 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4339 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4340 fold_rtx_mem_1 if under the cap.
4341 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4342 the lookup of the equivalent expression and test for equality of the
4343 first operand of the equivalent expression before in turn looking up
4344 an equivalent constant for the second operand.
4346 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4349 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4350 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4351 pointer, instead of assuming it is possible to derive the
4352 correct args size from a call insn.
4354 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4357 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4358 (fold_builtin_mempcpy): Rename to...
4359 (fold_builtin_memory_op): ... this. Optimize one element copy
4361 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4363 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4364 (expand_builtin_memcpy, expand_builtin_mempcpy,
4365 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4366 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4367 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4368 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4370 2006-09-01 DJ Delorie <dj@redhat.com>
4372 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4373 (stzx_16): Likewise.
4374 ("stzx_24_<mode>"): Likewise.
4375 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4376 ("cmp<mode>_op"): New.
4377 (cmp<mode>): Change to expander; just save operands.
4379 (b<code>): Change to expander, emit compare here.
4380 (s<code>_op): Change to use split and expander.
4381 (s<code>_24_op): Likewise.
4382 (s<code>_<mode>): New.
4383 (s<code>_<mode>_24): New.
4384 (movqicc_<code>_<mode): New.
4385 (movhicc_<code>_<mode>): New.
4388 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4389 (m32c_pend_compare): New.
4390 (m32c_unpend_compare): New.
4391 (m32c_expand_scc): New.
4392 (m32c_expand_movcc): Emit the compare also.
4393 * config/m32c/predicates.md (mra_nopp_operand): New.
4395 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4396 Richard Guenther <rguenther@suse.de>
4397 Adam Nemet <anemet@caviumnetworks.com>
4400 * builtins.c (get_pointer_alignment): Handle more forms
4401 of base addresses that can be used to derive more precise
4402 information about alignment.
4404 2006-09-01 Jason Merrill <jason@redhat.com>
4407 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4410 * gimplify.c (voidify_wrapper_expr): Handle null type.
4412 2006-09-01 Josh Conner <jconner@apple.com>
4415 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4416 (execute_return_slot_opt): Use it.
4418 2006-08-31 Josh Conner <jconner@apple.com>
4421 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4422 returning aggregates.
4424 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4426 PR tree-optimization/28839
4427 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4428 blocks in that phi arguments appear.
4430 2006-08-31 Roger Sayle <roger@eyesopen.com>
4433 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4434 NULL, otherwise use an advance_loc4 to adjust relative to the
4436 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4437 (dwarf2out_switch_text_section): Reset the current label to avoid
4438 using advance_loc4 over section boundaries.
4440 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4443 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4444 r12 + SYMBOLIC_CONST.
4446 2006-08-30 Richard Guenther <rguenther@suse.de>
4448 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4450 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4452 PR rtl-optimization/27735
4453 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4454 Add new argument to keep track of whether an irreducible region
4455 was affected. All callers changed.
4456 (fix_irreducible_loops): Removed.
4457 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4458 flags were invalidated.
4460 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4462 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4463 instead of SF operands.
4464 (*fop_df_comm_sse): Likewise.
4465 (*fop_df_comm_i387): Likewise.
4466 (*fop_df_1_mixed): Likewise.
4467 (*fop_df_1_sse): Likewise.
4469 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4470 J"orn Rennecke <joern.rennecke@st.com>
4472 PR tree-optimization/17506
4473 * tree-ssa.c (warn_uninit): If warning about a location outside of
4474 the current function, note where the variable was declared.
4476 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4478 PR tree-optimization/28411
4479 * double-int.c (double_int_div): Use double_int_divmod.
4480 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4481 double_int_mod, double_int_smod, double_int_umod): New functions.
4482 * double-int.h (double_int_divmod, double_int_sdivmod,
4483 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4485 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4487 (get_computation_aff, get_computation_cost_at): Handle double_int
4488 return type of constant_multiple_of.
4490 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4493 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4494 an implicit conversion.
4496 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4498 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4500 2006-08-27 Roger Sayle <roger@eyesopen.com>
4502 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4505 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4507 * config/i386/crtfastmath.c: Fix a comment typo.
4509 2006-08-26 Roger Sayle <roger@eyesopen.com>
4511 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4512 temporary visit flags on CASE_LABEL_EXPRs.
4513 * c-common.c (match_case_to_enum): Add function comment. Avoid
4514 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4515 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4516 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4517 a constant, only warn if that constant value isn't handled.
4519 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4522 * input.h (restore_input_file_stack): Declare.
4523 (INPUT_FILE_STACK_BITS): Define.
4524 * toplev.c (fs_p, input_file_stack_history,
4525 input_file_stack_restored, restore_input_file_stack): New.
4526 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4527 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4528 (pop_srcloc): Don't free old state of stack.
4530 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4533 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4534 (PowerPC Type Attributes): New.
4536 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4538 * config/xtensa/xtensa.c (function_arg_boundary): New.
4539 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4541 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4542 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4544 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4547 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4550 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4552 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4553 (verify_local_live_at_start): Likewise.
4555 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4558 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4559 omp_add_variable): Treat sizes as variable whenever not
4562 2006-08-26 Richard Guenther <rguenther@suse.de>
4565 * fold-const.c (fold_binary): Fold temporary to correct
4566 type before constructing new comparison.
4568 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4571 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4572 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4574 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4577 * c-decl.c (start_function): Don't try to process prototype
4578 information from old declaration that isn't a function.
4580 2006-08-25 Jan Hubicka <jh@suse.cz>
4583 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4585 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4588 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4591 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4593 PR tree-optimization/16876
4594 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4595 exit if PARM doesn't match VALUE.
4597 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4599 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4600 literal_prefix directive.
4601 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4602 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4603 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4605 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4608 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4609 predicate to general_operand. Add 0->y and I->r alternatives.
4611 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4613 * doc/tm.texi: Fix a typo.
4614 * predict.c: Fix comment typos.
4616 2006-08-25 Nick Clifton <nickc@redhat.com>
4618 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4619 assertions of "cpu" and "machine".
4621 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4624 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4625 the access through a base which has an alias set of 0 cannot
4628 2006-08-24 Bill Wendling <wendling@apple.com>
4630 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4632 2006-08-24 Jan Hubicka <jh@suse.cz>
4634 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4636 2006-08-24 Jan Hubicka <jh@suse.cz>
4639 * cgraph.c: Fix comments.
4640 (cgraph_varpool_mark_needed_node): Mark only variables not already
4642 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4643 (cgraph_varpool_assembled_nodes_queue): New static variable.
4644 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4645 (cgraph_varpool_output_debug_info): New function.
4646 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4647 * Makefile.in: Add gt-cgraphunit.h
4649 2006-08-24 Jan Hubicka <jh@suse.cz>
4651 * predict.c (probability_reliable_p): New predicate.
4652 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4653 (predict_loops): Do not predict loop exit with less than 2%
4655 * basic-block.h (edge_probability_reliable_p,
4656 br_prob_note_reliable_p): Declare.
4657 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4658 prediction when static predictor is not reliable.
4659 * rs6000.c (output_cbranch): Likewise.
4661 2006-08-23 Stuart Hastings <stuart@apple.com>
4664 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4665 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4667 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4670 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4671 complex values, nor for generic vector values.
4673 2006-08-22 Richard Guenther <rguenther@suse.de>
4676 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4677 parameter. Convert arguments to arithmetic expression to the
4679 (analyze_scalar_evolution_1): Adjust caller.
4681 2006-08-22 Jan Hubicka <jh@suse.cz>
4683 Patch by Paolo Bonzini
4684 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4687 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4689 PR tree-optimization/28003
4690 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4691 before grouping aliases.
4693 2006-08-22 Roger Sayle <roger@eyesopen.com>
4695 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4696 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4698 2006-08-21 Jason Merrill <jason@redhat.com>
4701 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4702 wrapper. Loop to handle nested wrappers.
4703 (gimplify_bind_expr): Remove temp parameter.
4704 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4705 and STATEMENT_LIST on the rhs.
4706 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4707 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4708 (gimplify_target_expr): Remove special BIND_EXPR handling.
4710 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4712 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4715 2006-08-21 Olivier Hainque <hainque@adacore.com>
4717 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4718 Arrange for the temporary captures of components overlapping the lhs
4719 to happen before the lhs is possibly cleared.
4721 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4723 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4724 necessary places to pass the correct "number of registers" values
4727 2006-08-20 Jan Hubicka <jh@suse.cz>
4729 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4730 (create_name_tags): Instead of quadratic checking use hashtable.
4731 * bitmap.h: Include hashtab.h.
4732 (bitmap_hash): Declare.
4733 * bitmap.c (bitmap_hash): New function.
4735 2006-08-20 Jan Hubicka <jh@suse.cz>
4737 PR rtl-optimization/28071
4738 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4740 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4741 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4742 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4743 cgraph_decide_inlining_incrementally): Update use of
4744 cgraph_check_inline_limits.
4745 * cgraph.c (edge_hash, edge_eq): New function.
4746 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4747 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4748 cgraph_remove_node): Maintain call site hash.
4749 * cgraph.h (struct cgraph_node): Add call_site_hash.
4750 (cgraph_set_call_stmt): New function.
4752 2006-08-20 Jan Hubicka <jh@suse.cz>
4754 PR rtl-optimization/28071
4755 * reload1.c (reg_has_output_reload): Turn into regset.
4756 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4757 choose_reload_regs, emit_reload_insns): Update to new
4758 reg_has_output_reload.
4760 2006-08-20 Jan Hubicka <jh@suse.cz>
4763 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4764 function body sizes.
4765 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4767 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4770 * tree.c (handle_dll_attribute): Return early if not a
4771 var or function decl.
4773 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4776 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4777 alignment of SPE vector types.
4779 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4781 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4783 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4786 * cgraph.h (struct cgraph_node): Remove externally_visible
4788 * cgraphunit.c (process_function_and_variable_attributes): Set
4789 local.externally_visible rather than externally_visible.
4792 * c-common.c (handle_externally_visible_attribute): First look
4793 at TREE_CODE and only if it is function or var decl, check for
4794 non-public objects. Don't warn for DECL_EXTERNAL.
4795 * cgraphunit.c (process_function_and_variable_attributes): Warn
4796 if externally_visible attribute is used on non-public object.
4798 2006-08-17 Jan Hubicka <jh@suse.cz>
4800 PR tree-optimization/27865
4801 * reload1.c (forget_marked_reloads): New function.
4802 (forget_old_reloads_1): When data are passed, just mark the registers
4804 (reload_as_needed): Use the new mechanizm.
4806 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4809 * reload.h (reg_equiv_alt_mem_list): New declaration.
4810 * reload1.c (reg_equiv_alt_mem_list): New definition.
4811 (reload): Initialize it and release it.
4812 (delete_output_reload): Use it.
4813 * reload.c (push_reg_equiv_alt_mem): New function.
4814 (find_reloads_toplev): Call it.
4815 (find_reloads_address, find_reloads_address_1): Likewise.
4816 (find_reloads_subreg_address): Likewise.
4818 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4820 PR rtl-optimization/28489
4821 * sched-ebb.c (begin_schedule_ready): Create basic block
4823 (advance_target_bb): Skip empty blocks.
4824 * haifa-sched.c (bb_note): Make global.
4825 * sched-int.h (bb_note): Add prototype.
4827 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4829 PR tree-optimization/27865
4830 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4832 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4833 fold_used_pointer, pointer_used_p): New functions.
4834 (analyze_scalar_evolution_1): Use fold_used_pointer.
4835 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4836 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4839 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4842 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4843 or the INTEGER_CST. Fail on a CALL_EXPR.
4844 (fold_offsetof): Pass new argument to fold_offsetof_1.
4845 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4846 operand into an INDIRECT_REF.
4847 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4849 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4851 PR gcov/profile/26570
4852 * value-prof.c (static_values): Removed.
4853 (tree_find_values_to_profile): Do not set static_values.
4854 (find_values_to_profile): Do not free static_values.
4855 * profile.c (instrument_values): Do not free the values.
4856 (branch_prob): Free the values.
4858 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4860 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4862 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4865 * c-typeck.c (build_component_ref): Combine qualifiers of
4866 structure or union and field.
4868 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4870 PR rtl-optimization/28071
4871 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4872 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4873 * tree-into-ssa.c (struct dom_dfsnum): New.
4874 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4876 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4877 compute_global_livein.
4878 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4879 in phi nodes in the correct blocks.
4881 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4883 PR tree-optimization/28364
4884 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4886 (fold_affine_expr): New function.
4887 (may_eliminate_iv): Use fold_affine_expr.
4889 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4892 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4895 2006-08-16 Mike Stump <mrs@apple.com>
4897 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4898 * doc/cppopts.texi (-MD): Likewise.
4900 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4903 * c-common.c (handle_weak_attribute): Ignore and warn if
4904 not a FUNCTION_ or VAR_DECL.
4906 2006-07-15 Mike Stump <mrs@apple.com>
4909 * c-parser.c (c_parser_typeof_specifier): Don't use
4910 c_finish_expr_stmt, open code desired semantics instead.
4912 2006-08-15 Nick Clifton <nickc@redhat.com>
4914 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4915 fragment to tmake_file only if threads are enabled.
4916 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4917 * config/i386/t-gthr-win32: New file. ... here.
4919 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4922 * c-parser.c (c_parser_compound_statement_nostart): Reset
4923 parser->error after each statement.
4925 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4928 * omp-low.c (lower_omp_parallel): Convert t to
4929 receiver_decl's type.
4930 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4931 source before comparison.
4934 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4935 to itype in assignment to oldival2.
4937 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4941 * c-typeck.c (build_compound_expr): If the second expression
4942 is an error mark, then just return an error mark instead of
4943 creating a COMPOUND_EXPR.
4945 2006-07-14 Mike Stump <mrs@apple.com>
4947 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4949 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4951 * c-decl.c, var-tracking.c: Fix comment typos.
4953 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4955 PR rtl-optimization/28634
4956 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4957 for floating-point modes unless flag_unsafe_math_optimizations.
4959 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4960 Andrew Pinski <pinskia@physics.uc.edu>
4963 * tree.c (build_array_type): Unify array types with
4964 unspecified index_type.
4965 * c-decl.c (grokdeclarator): Make sure we do not modify a
4966 unified incomplete array type.
4967 * c-typeck.c (store_init_value): Create distinct type before
4968 filling in the index type in an initializer from a compound
4971 * c-decl.c (grokdeclarator): Remove code where we copy the
4974 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4976 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4977 into account for TODO_dump_cgraph.
4978 (TODO_update_ssa_no_phi): Likewise.
4979 (TODO_update_ssa_full_phi): Likewise.
4980 (TODO_update_ssa_only_virtuals): Likewise.
4981 (TODO_remove_unused_locals): Likewise.
4982 (TODO_set_props): Likewise.
4983 (TODO_update_stmt_usage): Likewise.
4985 2006-08-13 Dirk Mueller <dmueller@suse.de>
4987 * c-common.c (strict_aliasing_warning): Fix formatting.
4989 2006-08-13 Matthias Klose <doko@debian.org>
4991 * doc/invoke.texi: Fix spelling errors.
4993 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4995 PR rtl-optimization/23454
4996 * reorg.c (relax_delay_slots): Update comment.
4998 2006-08-11 Richard Guenther <rguenther@suse.de>
5001 * simplify-rtx.c (simplify_const_relational_operation):
5002 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5005 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5007 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5008 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5010 2006-08-10 Paul Brook <paul@codesourcery.com>
5012 * final.c (final_scan_insn): Clear current_insn_predicate before
5013 outputting inline asm.
5015 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5017 PR tree-optimization/26197
5018 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5019 get_ref_base_and_extent and overlap_subvar to add only relevant
5020 subvars as may-aliases.
5021 (add_may_alias_for_new_tag): New function, factored out of
5023 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5024 with additional argument.
5025 * tree-flow.h (new_type_alias): Takes additional argument.
5027 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5029 * gcov.c (no_data_file): New flag.
5030 (read_count_file): Set it if data file not present. Assume counts
5032 (output_lines): Don't name the data file, if there wasn't one.
5034 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5036 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5037 (rs6000_generate_compare): Tweak comments.
5038 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5040 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5042 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5043 (var_debug_decl): New function.
5044 (var_reg_set): Follow debug decl link. Add location even if
5045 reg is already known to hold some other variable.
5046 (var_mem_set): Follow debug decl link.
5047 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5048 decl link. Delete other known locations of the variable part
5050 (var_reg_delete, var_mem_delete): Delete other known locations
5051 of the variable part if requested.
5052 (same_variable_part_p): New function.
5053 (add_stores): Select MO_COPY when appropriate.
5054 (vt_initialize): Handle it.
5055 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5056 known locations for MO_SET and MO_CLOBBER.
5057 (find_variable_location_part): New function.
5058 (set_variable_part, delete_variable_part): Use it.
5059 (clobber_variable_part): New function.
5060 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5063 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5065 PR tree-optimization/26969
5066 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5067 with an empty list of PHIs.
5069 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5073 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5076 2006-08-06 Andreas Schwab <schwab@suse.de>
5078 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5079 string. Whitespace and comment fixup.
5081 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5084 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5088 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5091 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5093 2006-08-04 Jan Hubicka <jh@suse.cz>
5097 * reload.c (push_reload): Patch out the mismatching instruction;
5099 (find_reload): Bail out if the instruction was patched out.
5101 2006-08-04 Jan Hubicka <jh@suse.cz>
5103 PR tree-optimization/24888
5104 * tree-inline.c (expand_call_inline): Do not re-record variables.
5105 (declare_inline_vars): Add variable to unexpanded_var_list.
5107 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5108 Roger Sayle <roger@eyesopen.com>
5110 PR rtl-optimization/26244
5111 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5112 inner_const are negative or greater than or equal to the bitsize of
5113 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5114 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5115 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5116 CONST0_RTX (mode) when the new shift count is greater than or equal to
5117 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5120 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5122 * tree-cfg.c: Fix a comment typo.
5124 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5127 * varasm.c (output_constant): Give the front end another chance to
5128 expand constants, after stripping NOPs.
5130 2006-08-03 Jan Hubicka <jh@suse.cz>
5132 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5135 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5137 PR tree-optimization/27770
5138 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5139 declaration removed (moved to tree-flow.h).
5140 (vect_can_force_dr_alignment_p): Likewise.
5141 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5142 (moved from tree-vectorizer.h).
5143 (vect_can_force_dr_alignment_p): Likewise.
5144 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5145 from outside the vectorizer - in particular from cgraph stage.
5146 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5147 the alignment of global arrays when -fsection-anchors is enabled.
5148 * cgraphunit.c (cgraph_increase_alignment): New function.
5149 (cgraph_optimize): Call cgraph_increase_alignment.
5151 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5154 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5155 not reload a SPE symbol_ref into a lo_sum address.
5157 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5160 * dwarf2out.c (prune_unused_types_prune): Move call to
5161 prune_unused_types_update_strings to cover the parent DIE also.
5163 2006-08-02 Jan Hubicka <jh@suse.cz>
5165 PR gcov/profile/28480
5166 * tree-cfg.c (change_bb_for_stmt): New function.
5167 (tree_merge_blocks, tree_split_blocks): Use it.
5169 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5175 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5176 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5177 (cgraph_optimize): Likewise.
5179 2006-08-01 Stuart Hastings <stuart@apple.com>
5181 * rtl.h (UINTVAL) New.
5182 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5183 * testsuite/gcc.dg/20060801-1.c: New.
5185 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5188 * c-typeck.c (build_external_type): Mark used enum types.
5189 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5191 (gen_subprogram_die): Whitespace fix.
5193 2006-08-01 Jan Hubicka <jh@suse.cz>
5195 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5196 bitmap when not needed.
5197 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5200 2006-08-01 Dirk Mueller <dmueller@suse.de>
5202 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5204 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5206 * Makefile.in: Revert part of previous patch:
5207 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5210 2006-07-30 Eric Christopher <echristo@apple.com>
5213 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5214 (PowerPC Variable Attributes): New section.
5216 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5218 PR target/28126 (partial fix)
5219 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5221 2006-07-28 Jan Hubicka <jh@suse.cz>
5223 PR rtl-optimization/28071
5224 * cfgrtl.c (rtl_delete_block): Free regsets.
5225 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5227 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5229 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5230 and variables used in dependencies.
5232 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5234 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5235 %fs for -mcmodel=kernel.
5236 (stack_tls_protect_test_di): Likewise.
5238 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5240 * Makefile.in: Use mkinstalldirs.
5242 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5245 * opts-common.c (prune_options): Skip joined switches.
5247 2006-07-27 Jan Hubicka <jh@suse.cz>
5249 PR rtl-optimization/28071
5250 * cselib.c (cselib_process_insn): Don't remove useless values too
5251 often for very large hashtables.
5253 2006-07-27 Jan Hubicka <jh@suse.cz>
5255 PR rtl-optimization/28071
5256 * global.c (greg_obstack): New obstack.
5257 (allocate_bb_info): Use it.
5258 (free_bb_info): Likewise.
5259 (modify_reg_pav): Likewise.
5261 2006-07-27 Roger Sayle <roger@eyesopen.com>
5263 * builtins.c (fold_fixed_mathfn): When long and long long are the
5264 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5265 functions to their lceil*, lfloor*, lround* and lrint* forms.
5267 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5270 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5272 (rev_branch_insn): Likewise.
5274 2006-07-27 Jan Hubicka <jh@suse.cz>
5276 PR rtl-optimization/28071
5277 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5278 (reg_set_in_bb, max_reg_computed): New static variables.
5279 (regmove_optimize): Free the new array.
5280 (fixup_match_1): Update call of reg_is_remote_constant_p.
5282 2006-07-26 Jan Hubicka <jh@suse.cz>
5284 PR tree-optimization/27882
5285 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5287 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5289 (cgraph_analyze_compilation_unit): Likewise.
5290 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5291 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5292 (cgraph_early_inlinine): Make order garbage collected.
5293 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5295 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5297 * dbxout.c (output_types_sort): Add a comment.
5298 (output_used_types): Free the VEC.
5300 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5302 * function.c (reorder_fix_fragments): Delete.
5303 (reorder_blocks): Don't call it.
5304 (reorder_blocks_1): Put all subblocks under the origin block.
5306 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5308 PR rtl-optimization/27907
5309 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5312 2006-07-25 Roger Sayle <roger@eyesopen.com>
5315 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5316 bar(x) check that bar's result type can represent all the values of T.
5318 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5320 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5322 2006-07-25 Nick Clifton <nickc@redhat.com>
5324 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5325 size_lookup[] array.
5326 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5327 (ggc_pch_count_object): Likewise.
5328 (ggc_pch_alloc_object): Likewise.
5329 (ggc_pch_write_object): Likewise.
5330 (init_ggc): Do not attempt to initialize entries in the
5331 size_lookup[] array for objects whose size is greater than than
5332 the length of the array.
5334 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5336 * dbxout.c (output_used_types_helper): Push queued types
5338 (output_types_sort): New.
5339 (output_used_types): Collect used types on a VEC and sort them
5342 2006-07-24 Richard Guenther <rguenther@suse.de>
5345 * cgraph.c (cgraph_remove_node): Do not check if dumps
5347 * cgraphunit.c (cgraph_optimize): Likewise.
5349 2006-07-24 Jan Hubicka <jh@suse.cz>
5351 PR rtl-optimization/28071
5352 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5353 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5354 splitting before first stmt.
5356 2006-07-24 Jan Hubicka <jh@suse.cz>
5358 PR rtl-optimization/28071
5359 * ipa-inline.c (update_caller_keys): Remove edges that
5360 are no longer inline candidates.
5362 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5365 * dbxout.c (output_used_types_helper, output_used_types): New.
5366 (dbxout_symbol): Call output_used_types.
5368 2006-07-23 Jan Hubicka <jh@suse.cz>
5372 * cgraph.c (cgraph_varpool_nodes): Export.
5373 (decide_is_variable_needed): Ignored "used" attribute in
5374 unit-at-a-time mode.
5375 * cgraph.h (cgraph_varpool_nodes): Declare.
5376 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5377 unit-at-a-time mode.
5379 2006-07-23 Roger Sayle <roger@eyesopen.com>
5382 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5383 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5384 the __gthrw form of thr_keycreate.
5385 (__gthread_key_delete): Silence the unused argument warning.
5387 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5390 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5391 Cache the last found '\0' marker to avoid quadratic behavior.
5393 2006-07-23 Jan Hubicka <jh@suse.cz>
5395 * i386.md (subsi_3_zext): Fix output template.
5397 2006-07-21 Mike Stump <mrs@apple.com>
5399 * doc/invoke.texi (C++ Dialect Options): Note that
5400 -fvisibility-inlines-hidden doesn't affect explicitly
5401 instantiationed inline methods.
5403 2006-07-20 Roger Sayle <roger@eyesopen.com>
5405 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5406 if the target assembler is GNU binutils' gas.
5407 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5408 whether to pass GNU gas or native as command line options.
5410 2006-07-20 Jason Merrill <jason@redhat.com>
5412 * tree.c (remove_attribute): New fn.
5413 * tree.h: Declare it.
5415 2006-07-20 Paul Brook <paul@codesourcery.com>
5418 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5419 they are invalidated by this instruction.
5421 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5424 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5426 2006-07-20 Eric Christopher <echristo@apple.com>
5429 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5431 2006-07-19 Eric Christopher <echristo@apple.com>
5433 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5434 Rewrite dependencies for libgcc_s.1.dylib.
5436 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5438 * except.c (duplicate_eh_regions_1): Clear next_peer.
5440 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5442 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5443 -mlongcall does not guarantee all calls will be long.
5444 * doc/extend.texi (long_call/short_call): Document that longcall
5445 does not guarantee a long call will be used.
5446 (longcall/shortcall): Likewise.
5448 2006-07-18 Roger Sayle <roger@eyesopen.com>
5451 * expmed.c (expand_shift): Additionally check that the shift_cost
5452 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5453 before implementing a LSHIFT_EXPR as a sequence of additions.
5454 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5455 middle-end that DImode shifts need to be synthesized by expand.
5457 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5460 * tree-ssa-operands.c (access_can_touch_variable): Update
5462 Return true if ALIAS is .GLOBAL_VAR.
5464 2006-07-18 David Daney <ddaney@avtrex.com>
5466 * gcc.c (display_help): Fix typo in help text.
5468 2006-07-18 Olivier Hainque <hainque@adacore.com>
5470 * tree.h (categorize_ctor_elements): Adjust prototype and add
5471 descriptive comment, both in accordance with the interface change
5473 * varasm.c (constructor_static_from_elts_p): New function.
5474 Whether a constructor node is a valid static constant initializer
5475 if all its elements are.
5476 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5477 * output.h: Declare it.
5478 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5479 is a valid constant initializer instead of computing the number of
5480 non-constant elements. Use constructor_static_from_elts_p for this
5481 purpose. Replace the head comment with an indication that this is a
5482 helper for categorize_ctor_elements.
5483 (categorize_ctor_elements): Same interface change as for the _1
5484 helper. Former head comment from this helper moved here, adjusted to
5485 account for the interface changes.
5486 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5487 (all_zeros_p): Likewise.
5488 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5489 static versions of the constructor from the categorize_ctor_elements
5490 return value instead of the formerly computed number of non-constant
5493 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5495 * configure: Regenerate.
5496 * Makefile.in (build_libsubdir): New configure substitution
5497 (build_libobjdir): New variable.
5498 (BUILD_LIBIBERTY): Use it.
5500 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5503 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5505 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5508 * c-common.c (handle_weakref_attribute): Ignore attribute in
5509 the same conditions the alias attribute is ignored.
5511 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5513 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5514 (dbxout_begin_prologue): Increment scope_labelno.
5516 2006-07-17 Richard Henderson <rth@redhat.com>
5519 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5522 2006-07-17 Roger Sayle <roger@eyesopen.com>
5523 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5525 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5526 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5527 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5528 functions such as sbrk, write, etc.. Add function prototypes.
5529 Convert function declarations from K&R to ISO C. Cast pointers
5530 to "long" and "unsigned long" instead of "int" and "unsigned int".
5531 Convert tokens following #endif into comments.
5533 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5535 * invoke.texi: Remove mention of f77; Reformat table for
5536 inline parameter options correctly; mention that -malign-double
5537 is default on x86-64 targets.
5539 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5541 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5542 (convert_affine_scev, chrec_convert_aggressive): Use
5543 avoid_arithmetics_in_type_p. Do not check for the subtypes
5546 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5549 * optabs.c (expand_doubleword_shift): Wrap the call to
5550 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5552 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5555 * optabs.c (expand_binop): Pass next_methods rather than methods
5556 to expand_doubleword_shift.
5558 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5561 * tree.h (dump_addr): Declare.
5562 * print-tree.c (dump_addr): New function.
5563 (print_node_brief, print_node): Use it.
5564 * print-rtl.c (print_rtx): Likewise.
5565 * common.opt (-fdump-noaddr): New option.
5566 * doc/invoke.texi (-fdump-noaddr): Document.
5567 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5568 (ve_info_hash): Likewise.
5570 2006-07-13 Andrew Haley <aph@redhat.com>
5572 PR tree-optimization/19505
5573 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5574 edge leaving this block, make sure that the destination of this
5575 block has only one predecessor.
5577 2006-07-17 Richard Guenther <rguenther@suse.de>
5579 PR tree-optimization/28238
5580 * tree-inline.c (copy_bb): Check if we produced valid
5581 gimple copying and substituting a stmt. If not, gimplify
5584 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5586 * optabs.c (maybe_encapsulate_block): New function extracted from...
5587 (emit_libcall_block): ...here. Invoke it on the block of insns to
5588 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5589 (emit_no_conflict_block): Likewise.
5591 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5593 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5595 2006-07-15 Roger Sayle <roger@eyesopen.com>
5597 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5598 a new NOP_EXPR case of the switch statement.
5600 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5603 * stor-layout.c (place_field): Take the bit field with
5604 an excessive size into account in the ms-bitfiled case.
5607 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5608 the previous bit field.
5610 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5613 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5615 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5617 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5618 signal frames correctly even when the signal was installed with
5621 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5623 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5624 (dbxout_function_end): Use local label LFBB. Remove hook
5626 (dbxout_source_line): Use local label LFBB.
5627 (dbxout_block): Likewise.
5628 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5629 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5630 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5631 and DBX_OUTPUT_NFUN.
5633 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5635 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5637 2006-07-13 Jan Hubicka <jh@suse.cz>
5639 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5641 * output.h (align_variable): Declare.
5642 * varasm.c (align_variable): Export.
5643 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5644 when basic block changed.
5646 2006-07-13 Nick Clifton <nickc@redhat.com>
5648 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5649 walking the LOG_LINKS chain.
5651 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5653 * doc/invoke.texi (C++ Dialect Options): Explain difference
5654 between -fvisibility-inlines-hidden and setting hidden
5655 visibility explicitly.
5657 2006-07-12 Eric Christopher <echristo@apple.com>
5659 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5660 (stmp-lipo): Depend on libgcc.a.
5662 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5664 * tree.c: Fix a comment typo.
5666 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5668 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5670 (umulhisi3_r): Likewise.
5672 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5675 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5676 x < 19, vs wchar_t support.
5678 2006-07-12 Nick Clifton <nickc@redhat.com>
5680 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5681 instead of -isa=sh4.
5683 2006-07-12 Mike Stump <mrs@apple.com>
5685 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5687 2006-07-10 Eric Christopher <echristo@apple.com>
5689 * config/t-slibgcc-darwin: Rewrite.
5691 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5694 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5697 2006-07-08 Matthias Klose <doko@debian.org>
5699 * doc/sourcebuild.texi: Fix typo.
5701 2006-07-07 Mike Stump <mrs@apple.com>
5703 * toplev.c (process_options): Don't give -ffunction-sections may
5704 affect debugging warning for Mach-O.
5706 2006-07-07 James E Wilson <wilson@specifix.com>
5708 * config/mips/mips.md (cpu): Add sb1a.
5709 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5710 addition to sb1. Adjust comments to clarify SB-1A differences from
5712 (ir_sb1a_load): New. Modify bypasses to use it.
5713 (ir_sb1a_simple_alu): Likewise.
5714 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5715 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5716 (mips_issue_rate): Add PROCESSOR_SB1A.
5717 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5718 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5719 (TARGET_SB1): Add PROCESSOR_SB1A check.
5720 (TUNE_SB1): Likewise.
5722 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5723 * config/mips/mips.c (mips_store_data_bypass_p): New.
5724 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5725 store_data_bypass_p.
5727 2006-07-08 Paul Brook <paul@codesourcery.com>
5730 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5732 2006-07-07 Richard Guenther <rguenther@suse.de>
5735 * tree.h (build_one_cst): Declare.
5736 * tree.c (build_one_cst): New function.
5737 * tree-ssa-math-opts.c (get_constant_one): Remove.
5738 (insert_reciprocals): Use build_one_cst.
5739 * fold-const.c (fold_plusminus_mult): Likewise.
5741 2006-07-07 Roger Sayle <roger@eyesopen.com>
5743 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5744 * cfgloopanal.c (dump_graph): Likewise.
5745 * dojump.c (discard_pending_stack_adjust): Likewise.
5746 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5748 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5749 * function.c (finalize_block_changes): Likewise.
5750 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5751 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5752 * rtl.c (dump_rtx_statistics): Likewise.
5753 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5755 * varray.c (dump_varray_statistics): Likewise.
5756 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5757 decode_decimal64, encode_decimal128, decode_decimal128,
5758 decimal_real_to_decimal): Likewise.
5760 2006-07-07 Richard Guenther <rguenther@suse.de>
5762 PR tree-optimization/28187
5763 * tree-vrp.c (vrp_operand_equal_p): New function.
5764 (vrp_bitmap_equal_p): Likewise.
5765 (update_value_range): Use them to compare old and new
5768 2006-07-06 Roger Sayle <roger@eyesopen.com>
5770 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5771 a default case to switch statement to silence compiler warnings.
5773 2006-07-06 Roger Sayle <roger@eyesopen.com>
5776 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5777 the configured assembler supports the x87's ffreep mnemonic.
5778 * configure: Regenerate.
5779 * config.in: Regenerate.
5781 * config/i386/i386.c (output_387_ffreep): New function.
5782 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5783 (output_387_reg_move): Likewise.
5785 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5787 Port to hosts whose 'sort' and 'tail' implementations
5788 treat operands with leading '+' as file names, as POSIX
5789 has required since 2001. However, make sure the code still
5790 works on pre-POSIX hosts.
5791 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5792 which says you should use "tail -c +N" rather than "tail +Nc".
5793 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5795 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5797 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5800 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5803 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5804 PRE_{INC,DEC} of TFmode.
5806 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5807 Alan Modra <amodra@bigpond.net.au>
5810 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5813 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5816 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5817 Remove duplicate gtu.
5819 2006-07-05 Jason Merrill <jason@redhat.com>
5823 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5824 * c-common.c (handle_packed_attribute): So don't copy it here.
5825 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5827 2006-07-05 Mike Stump <mrs@apple.com>
5829 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5831 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5834 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5836 2006-07-05 Richard Guenther <rguenther@suse.de>
5839 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5840 TARGET_SSE2 targets if using SSE math.
5841 (*absdf2_1): Likewise.
5843 2006-07-05 Richard Guenther <rguenther@suse.de>
5845 PR tree-optimization/28162
5846 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5847 make sure to convert the operands to the correct type.
5849 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5851 PR tree-optimization/28218
5853 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5854 to calculate and free the dominator information.
5856 2006-07-04 Peter O'Gorman <peter@pogma.com>
5858 * mklibgcc.in: chmod 644 before ranlib during install.
5860 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5861 J"orn Rennecke <joern.rennecke@st.com>
5863 * configure.ac (.eh_frame data check): Use diff -b.
5865 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5868 * Makefile.in (BUILD_RTL): Add build/vec.o.
5869 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5870 (build/genextract): Delete.
5871 (build/genautomata): Likewise.
5873 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5876 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5877 128-bit IBM long doubles for ABI_V4.
5879 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5881 * tree.c (range_in_array_bounds_p): New predicate.
5882 * tree.h (range_in_array_bounds_p): Declare it.
5883 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5884 return a less conservative answer.
5885 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5886 and flag 'is_group'.
5887 (IS_ELEMENT_FOR_GROUP): New macro.
5888 (FOR_EACH_ACTUAL_CHILD): Likewise.
5889 (next_child_for_group): New helper function.
5890 (can_completely_scalarize_p): Take into account groups.
5891 (sra_hash_tree): Handle RANGE_EXPR.
5892 (sra_elt_eq): Likewise.
5893 (lookup_element): Be prepared for handling groups.
5894 (is_valid_const_index): Delete.
5895 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5896 instead of is_valid_const_index.
5897 <ARRAY_RANGE_REF>: New case.
5898 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5899 is_valid_const_index.
5900 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5901 (scan_dump): Dump info for groups too.
5902 (decide_instantiation_1): Likewise.
5903 (decide_block_copy): Assert that the element is not a group.
5904 Propagate decision to groups.
5905 (generate_one_element_ref): Handle RANGE_EXPR.
5906 (mark_no_warning): Iterate over actual childs.
5907 (generate_copy_inout): Likewise.
5908 (generate_element_copy): Likewise.
5909 (generate_element_zero): Likewise.
5910 (generate_element_init_1): Likewise.
5911 (dump_sra_elt_name): Handle RANGE_EXPR.
5913 2006-07-03 Roger Sayle <roger@eyesopen.com>
5915 PR tree-optimization/26251
5916 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5917 (thread_block): When optimizing for size refuse to thread jumps
5918 that would require duplication of blocks other than redirection
5921 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5923 * configure.ac: Fix thinko in previous check-in.
5924 * configure: Regenerate.
5926 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5929 * configure.ac (for lang...): Simplify nesting of conditionals.
5930 Test subdir_requires for non-enabled languages. Move processing
5931 of lang_opt_files and lang_tree_fiels below that test.
5932 * configure: Regenerate.
5933 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5935 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5937 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5939 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5941 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5944 2006-06-29 Jason Merrill <jason@redhat.com>
5951 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5952 * c-common.c (c_determine_visibility): Handle it here.
5953 * c-decl.c (finish_decl): Call c_determine_visibility for
5955 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5957 * varasm.c (default_assemble_visibility): Likewise.
5958 * c-common.c (handle_visibility_attribute): Complain about trying
5959 to give visibility to an already defined class, or trying to change
5960 declared visibility. Always attach the attribute.
5965 * attribs.c (decl_attributes): Ignore type-in-place attributes
5966 once the type has been defined.
5968 2006-06-29 Roger Sayle <roger@eyesopen.com>
5971 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5972 to indicate the cpplib has issued an error message for us.
5974 2006-06-29 Asher Langton <langton2@llnl.gov>
5977 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5978 insert a label at the end of an function under Mach-O.
5980 2006-06-29 Eric Christopher <echristo@apple.com>
5981 Evan Cheng <evan.cheng@apple.com>
5983 * predicates.md (vector_all_ones_operand): New.
5984 (nonimmediate_or_sse_const_operand): Ditto.
5985 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5986 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5987 (standard_sse_mode_p): Ditto.
5988 (standard_sse_constant_p): Add case for -1 vector.
5989 (ix86_expand_vector_move): Try to use.
5990 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5991 Call standard_sse_constant_opcode.
5992 (*movv4sf_internal): Ditto.
5993 (*movv2df_internal): Ditto.
5995 2006-06-29 Roger Sayle <roger@eyesopen.com>
5997 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5998 of XEXP to extract the operands of a MATCH_CODE rtx.
6000 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6002 * tree.c (tree_size): Do not waste tail padding in
6003 struct tree_string and make the size be the same as
6004 build_string will generate.
6006 2006-06-28 Jason Merrill <jason@redhat.com>
6009 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6010 may_aliases already in the tag's annotations to the bitmap.
6012 2006-06-28 Roger Sayle <roger@eyesopen.com>
6014 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6016 2006-06-28 Roger Sayle <roger@eyesopen.com>
6018 * genpreds.c (generate_switch_p): New function.
6019 (add_mode_tests): Push the new mode test down inside an AND expr
6020 if this allows the switch-suitable MATCH_CODE to be near the root.
6021 (write_match_code_switch): New function to write a MATCH_CODE as
6023 (write_predicate_stmts): New function to write a predicate RTX
6024 expression as a sequence of statements.
6025 (write_one_predicate_function): Use write_predicate_stmts.
6026 (write_tm_constrs_h): Likewise.
6028 2006-06-26 Fred Fish <fnf@specifix.com>
6030 * config/mips/t-sb1: New file.
6031 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6034 2006-06-26 DJ Delorie <dj@redhat.com>
6036 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6038 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6039 Jayant Sonar <jayants@kpitcummins.com>
6040 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6042 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6043 (subsi3, subsi3_1, subsi3_2): New.
6044 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6045 * config/m32c/mov.md (SI mov peephole): New.
6046 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6047 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6049 2006-06-26 Olivier Hainque <hainque@adacore.com>
6051 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6052 a CALL_EXPR target function declaration.
6054 2006-06-26 Richard Guenther <rguenther@suse.de>
6056 * tree.c (build_string): Do not waste tail padding in
6059 2006-06-26 Richard Guenther <rguenther@suse.de>
6061 * ggc-page.c (init_ggc): Add missing element to size_lookup
6065 2006-06-23 Richard Guenther <rguenther@suse.de>
6067 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6068 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6069 alignment requests instead. Add verification code.
6070 Add struct tree_function_decl and struct tree_binfo size to
6071 extra_order_size_table. Add missing element to size_lookup
6074 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6077 * fold-const.c (const_binop): Be prepared for self returning zero.
6078 Simplify code handling complex values.
6080 2006-06-24 Olivier Hainque <hainque@adacore.com>
6082 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6083 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6086 2006-06-24 Olivier Hainque <hainque@adacore.com>
6088 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6089 ARRAY_REF, so have the callback called for the low bound expression.
6091 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6093 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6094 * c-typeck.c (c_common_type): Disallow operations on decimal float
6095 types and other float types.
6096 * convert.c (convert_to_real): Don't ignore conversions involving
6097 decimal float types.
6099 2006-06-23 Olivier Hainque <hainque@adacore.com>
6101 * tree.c (max_int_size_in_bytes): New function, inspired from
6102 code in function.c:assign_temp.
6103 * tree.h (max_int_size_in_bytes): Declare.
6104 * function.c (assign_temp): Use it.
6105 * gimplify.c (create_tmp_var): Relax the assertions on the type
6106 properties, not mandating constant size any more.
6107 (force_constant_size): New static function.
6108 (gimple_add_tmp_var): Use it, forcing variable size to a
6109 constant upper bound if it is not constant on entry.
6111 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6114 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6115 for initialization and setting of one_only flag to ...
6116 (i386_pe_encode_section_info): ...here.
6117 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6118 Recheck that the symbol has not been defined.
6120 2006-06-23 Richard Guenther <rguenther@suse.de>
6122 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6123 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6124 alignment requests instead. Add verification code.
6125 Add struct tree_function_decl and struct tree_binfo size to
6126 extra_order_size_table. Add missing element to size_lookup
6129 2006-06-22 Roger Sayle <roger@eyesopen.com>
6130 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6133 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6134 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6136 2006-06-23 Ben Elliston <bje@au.ibm.com>
6138 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6139 negate dn -- manipulate it directly.
6141 2006-06-22 Roger Sayle <roger@eyesopen.com>
6142 Steven Bosscher <stevenb.gcc@gmail.com>
6145 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6146 generated by gen_move_insn to add REG_LABEL notes if necessary.
6148 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6150 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6151 (leaf_entry): Remove use of MIN_ESA.
6153 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6155 PR rtl-optimization/28121
6156 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6159 2006-06-21 DJ Delorie <dj@redhat.com>
6161 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6163 (mulhisi3_r): Likewise.
6165 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6168 * coverage.c (coverage_counter_alloc): Leave the index type
6170 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6173 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6175 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6176 section from the "Options for Code Generation Conventions".
6178 2006-06-21 Richard Henderson <rth@redhat.com>
6182 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6184 (global_symbolic_operand): Allow weak symbols, even if local_p.
6186 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6188 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6189 (find_interesting_uses_address): Punt if above function returns true.
6191 2006-06-21 Richard Guenther <rguenther@suse.de>
6193 * configure: Regenerated.
6195 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6197 * config/mips/mips.c (function_arg): Where one part of a
6198 complex argument is in registers and the other part in the stack,
6199 return a REG not a PARALLEL.
6201 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6203 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6204 when cross-compiling. Do not substitute libstdcxx_incdir.
6205 * configure: Regenerated.
6207 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6209 * varasm.c (mergeable_string_section): Check for embedded NULs and
6210 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6211 rather than TREE_STRING_LENGTH bytes.
6213 2006-06-21 Richard Guenther <rguenther@suse.de>
6215 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6216 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6219 2006-06-21 Richrad Guenther <rguenther@suse.de>
6221 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6222 Limit iteration over the dominators.
6224 2006-06-20 Roger Sayle <roger@eyesopen.com>
6226 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6227 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6229 2006-06-20 Richard Guenther <rguenther@suse.de>
6230 Michael Matz <matz@suse.de>
6232 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6234 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6235 * et-forest.h (et_free_pools): Prototype new function.
6236 * et-forest.c (et_free_tree_force): Free parent occurrence.
6237 (et_free_pools): New function.
6238 * dominance.c (free_dominance_info): Free et-forest alloc
6241 2006-06-20 Roger Sayle <roger@eyesopen.com>
6243 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6244 integer modes, attempt to directly construct an integer constant.
6246 * fold-const.c (native_encode_vector): Determine the size of each
6247 element from the vector type instead of the first vector element.
6249 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6250 if all of its elements/components are constant.
6251 (build_constructor_from_list): Likewise.
6253 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6255 PR tree-optimization/27331
6256 * tree-data-ref.c (free_data_ref): New function.
6257 (create_data_ref): Fail if the data reference has unknown access
6259 (free_data_refs): Use free_data_ref.
6261 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6264 * tree-inline.c (setup_one_parameter): Strip useless
6265 type conversion before adding it to the IR.
6266 (declare_return_variable): Likewise.
6268 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6271 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6273 2006-06-19 Mike Stump <mrs@apple.com>
6275 * tree.c (variably_modified_type_p): VM arguments don't make the
6278 2006-06-19 Richard Guenther <rguenther@suse.de>
6280 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6281 type conversions after folding.
6283 2006-06-19 Richard Guenther <rguenther@suse.de>
6285 * ggc-page.c (extra_order_size_tab): Add entries with
6286 size of struct function and basic_block.
6287 (size_lookup): Extend to cover sizes up to 511.
6288 (ggc_alloc_stat): Adjust user.
6289 (ggc_pch_count_object): Likewise.
6290 (ggc_pch_alloc_object): Likewise.
6291 (ggc_pch_write_object): Likewise.
6293 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6295 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6296 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6299 2006-06-19 Denis Chertykov <denisc@overta.ru>
6301 * config/avr/libgcc.S : Correct my wrong previous commit.
6303 2006-06-19 Roger Sayle <roger@eyesopen.com>
6306 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6307 have stripped a SUBREG from the shift count, so we may need to
6308 convert_to_mode back to the type's mode before calling make_tree.
6309 Use new_amount instead of amount to avoid expanding a tree twice.
6311 2006-06-19 Richard Guenther <rguenther@suse.de>
6314 * fold-const.c (operand_equal_p): Check if the argument types
6315 have the same precision before stripping NOPs.
6317 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6319 Fix PR tree-optimization/27341
6320 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6322 * tree-complex.c (pass_lower_complex): Update SMT usage.
6324 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6326 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6327 Add a new alternative to the constraint strings. Add move of
6328 operand 1 to 3 to the splitter definition.
6329 ("doloop_si_long"): Second contraint alternative removed.
6331 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6333 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6334 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6336 (AVR_HAVE_MOVW) Define.
6337 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6338 (ASM_SPEC): Add avr25.
6339 (LINK_SPEC): Add avr25.
6340 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6341 (base_arch_s): Add new member 'have_movw_lpmx'.
6342 (avr_arch_types): Init 'have_movw_lpmx'.
6343 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6344 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6345 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6346 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6347 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6349 (avr_file_start): Do not output '.arh' derective.
6350 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6351 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6352 * config/avr/avr.md (mcu_enhanced): Delete.
6353 (mcu_have_movw): Define.
6354 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6355 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6356 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6357 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6358 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6359 attiny861 and at86rf401 devices.
6361 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6363 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6366 2006-06-17 Karl Berry <karl@gnu.org>
6368 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6369 doc/gccint.texi, doc/install.texi (@dircategory): Use
6370 "Software development" instead of "Programming", following
6371 the Free Software Directory.
6373 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6375 * config/i386/i386.c (legitimate_tls_address)
6376 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6377 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6378 (*tls_dynamic_gnu2_combine_64): Likewise.
6380 2006-06-16 Richard Guenther <rguenther@suse.de>
6383 * fold-const.c (negate_expr_p): Do not introduce undefined
6384 overflow in negating INTEGER_CSTs.
6385 (fold_negate_expr): Rename from negate_expr. Revert last
6386 change for folding BIT_NOT_EXPR. Change semantics to
6387 return NULL_TREE for non-simplified negations. Do not
6388 strip type conversions and unify type handling.
6389 (negate_expr): New function, wrap around fold_negate_expr
6390 but ensure building a tree always. Strip type conversions
6391 here, fold to result type.
6392 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6394 2006-06-16 Roger Sayle <roger@eyesopen.com>
6397 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6398 that (would) return their results in stack registers.
6400 2006-06-16 Michael Matz <matz@suse.de>
6401 Richard Guenther <rguenther@suse.de>
6403 * fold-const.c (fold_truthop): Only return new tree node if
6404 we canonicalized something.
6406 2006-06-16 Richard Guenther <rguenther@suse.de>
6408 * function.h (enum function_frequency): Move declaration
6409 out of struct function.
6410 (struct function): Move bool fields and the enum to the bitfield
6411 section. Reorder elements to avoid padding. Remove unused
6412 fields left over from the RTL inliner removal.
6413 * function.c (free_after_compilation): Do not zero removed fields.
6414 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6415 (ipa-type-escape.o): Likewise.
6417 2006-06-16 Richard Guenther <rguenther@suse.de>
6419 * cgraph.h (struct cgraph_local_info): Turn bool elements
6421 (struct cgraph_node): Likewise.
6422 (struct cgraph_varpool_node): Likewise.
6424 2006-06-15 Richard Guenther <rguenther@suse.de>
6426 * fold-const.c (fold_truth_not_expr): Rename from
6427 invert_truthvalue. Give it fold_* semantics to avoid
6429 (invert_truthvalue): New function. Wrapper around
6430 fold_truth_not_expr.
6431 (optimize_minmax_comparison): Avoid creating garbage.
6432 (fold_unary): Use fold_truth_not_expr for folding
6434 (fold_ternary): Replace uses of invert_truthvalue with
6435 fold_truth_not_expr where applicable.
6436 * tree.h (fold_truth_not_expr): Prototype.
6438 2006-06-16 Richard Guenther <rguenther@suse.de>
6440 PR tree-optimization/27781
6441 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6442 * ipa-pure-const.c (target.h): Include.
6443 (analyze_function): Do not analyze functions that do not
6446 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6449 * tree-dfa.c (referenced_vars_dup_list): Remove.
6450 (find_referenced_vars): Remove assert.
6451 (referenced_var_check_and_insert): Replace dup list with assert.
6452 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6453 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6455 2006-06-15 Richard Guenther <rguenther@suse.de>
6457 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6458 extra unused identifiers if not dumping.
6459 (create_variable_info_for): Likewise.
6461 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6463 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6464 (derive_constant_upper_bound): Derive more precise upper bound in
6465 common cases. Return type changed to double_int.
6466 (record_estimate): Reflect the changed return type of
6467 derive_constant_upper_bound.
6468 * double-int.c (double_int_zext, double_int_sext): Fix.
6470 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6472 * configure.ac (CFLAGS): Get them from the toplevel or from the
6473 configure invocation.
6474 * configure: Regenerate.
6475 * Makefile.in (CFLAGS): Substitute value provided by configure.
6477 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6480 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6481 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6482 rather than calling add_stmt on it.
6483 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6485 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6488 * reload1.c (reload): Remove registers returned by update_eliminables
6489 from used_spill_regs.
6491 2006-06-13 DJ Delorie <dj@redhat.com>
6493 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6495 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6497 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6498 html__strip_dir, html__mkdir_p. Enhance install-html target.
6499 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6500 * configure: Regenerate.
6502 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6504 * fold-const.c (fold_cond_expr_with_comparison): Check for
6505 Objective-C++ as language in deciding COND_EXPR transformation.
6507 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6510 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6511 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6512 * config/sh/lib1funcs.h (SL, SL1): Define.
6513 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6514 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6515 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6516 (OBJS_Os_4_200): New variable.
6517 ($(T)libgcc-Os-4-200.a): Use it.
6518 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6519 when dividing 1 and/or by 0.
6521 2006-06-13 Roger Sayle <roger@eyesopen.com>
6523 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6524 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6525 * configure: Regenerate.
6527 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6529 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6530 for real instruction.
6532 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6535 * haifa-sched.c (check_cfg): Handle special case.
6537 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6540 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6541 Add debug_info parameter. Chain the vars to the BLOCK instead
6542 of the BIND_EXPR if debug info are requested for them.
6543 (pop_gimplify_context): Adjust for above change.
6544 (gimple_add_tmp_var): Likewise.
6545 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6547 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6548 (convert_local_reference): Likewise.
6549 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6550 (finalize_nesting_tree_1): Request that debug info be emitted
6551 for debug_var_chain.
6553 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6555 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6556 for PR target/27863.
6558 2006-06-13 Richard Guenther <rguenther@suse.de>
6561 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6563 2006-06-13 Richard Guenther <rguenther@suse.de>
6565 PR tree-optimization/27830
6566 * tree-inline.c (copy_body_r): For copying the operand
6567 of an ADDR_EXPR make sure to fold &* afterwards.
6569 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6571 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6572 lvalues in the fb_none case with side-effects.
6574 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6576 * tree-flow.h: Remove the prototype for
6577 compute_phi_arg_on_exit.
6578 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6579 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6582 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6584 * builtins.c (expand_builtin_return_addr): Only use
6585 frame_pointer_rtx when count == 0 and we are expanding
6586 __builtin_return_address.
6588 2006-06-12 Fred Fish <fnf@specifix.com>
6590 * config/mips/mips.c (mips_file_start): Create special section
6591 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6593 2006-06-11 Eric Christopher <echristo@apple.com>
6596 * stor-layout.c (place_field): Remove check for
6597 remaining_in_alignment when aligning at the end of a run.
6599 2006-06-11 Eric Christopher <echristo@apple.com>
6602 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6605 2006-06-11 Roger Sayle <roger@eyesopen.com>
6608 Revert incorrect fix for PR target/27158
6609 2006-05-08 Roger Sayle <roger@eyesopen.com>
6610 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6611 of a reg_equiv_constant if the result is a legitimate constant.
6613 2006-06-11 Roger Sayle <roger@eyesopen.com>
6616 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6617 extract a CONST_VECTOR element and interpret it as an integer.
6618 (vspltis_constant): Use const_vector_elt_as_int instead of the
6619 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6620 * config/rs6000/predicates.md (easy_vector_const): Consider
6621 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6623 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6626 * stor-layout.c (update_alignment_for_field): Don't add extra
6627 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6630 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6632 * config/mips/t-rtems: Add EL/EB multilib variants.
6634 2006-06-09 Mike Stump <mrs@apple.com>
6636 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6638 2006-06-09 David Daney <ddaney@avtrex.com>
6640 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6642 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6644 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6646 2006-06-09 Richard Guenther <rguenther@suse.de>
6648 PR tree-optimization/26998
6649 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6650 of signed types, only TYPE_MIN_VALUE is special, but for both,
6651 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6652 in this case, as is -fwrapv.
6654 2006-06-08 Mike Stump <mrs@apple.com>
6657 * config/darwin.c (darwin_asm_output_anchor): Disable
6658 -fsection-anchors on darwin for now.
6659 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6660 * rs6000/rs6000.c (optimization_options): Likewise.
6662 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6665 * config/i386/i386.c (classify_argument): Skip fields with invalid
6668 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6670 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6671 (cse_insn): Likewise for the stack_pointer_rtx.
6673 2006-06-08 Roger Sayle <roger@eyesopen.com>
6675 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6676 conditions from floating point comparisons.
6678 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6681 * expmed.c (struct alg_hash_entry): Fix type of field T
6682 to match synth_mult argument.
6683 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6685 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6688 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6691 2006-06-08 Richard Guenther <rguenther@suse.de>
6694 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6695 only, if overflow is defined and not trapping.
6696 (negate_expr): Likewise.
6698 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6700 PR tree-optimization/27872
6701 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6702 flag on the new exit edge of the unrolled loop.
6704 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6706 PR rtl-optimization/26449
6707 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6709 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6712 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6713 referenced_variables with matching DECL_UID's.
6714 (find_referenced_vars): Make sure duplicate list is empty to start.
6715 (referenced_var_p): Remove.
6716 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6717 Check if var is in the list, and add if needed. Update the duplicate
6718 list if a different var is in the list with the same DECL_UID.
6719 (add_referenced_var): Call routine to check and insert.
6720 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6721 * tree-flow.h (referenced_vars_dup_list): External declaration.
6723 2006-06-07 Fred Fish <fnf@specifix.com>
6725 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6728 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6731 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6732 the imaginary and real parts of a clobbered register.
6733 Emit insn to set the imaginary part.
6735 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6737 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6738 in lieu of unwind-dw2-fde.c.
6740 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6742 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6744 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6747 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6748 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6749 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6750 V4SImode temporaries and operations instead.
6752 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6754 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6757 2006-06-06 Mike Stump <mrs@apple.com>
6759 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6760 installing during build.
6762 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6764 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6766 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6767 * config/ia64/ia64.c (params.h): New header.
6768 (ia64_optimization_options): New function to adjust parameters.
6769 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6770 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6771 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6773 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6775 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6777 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6780 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6782 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6783 Victor Kaplansky <victork@il.ibm.com>
6785 PR tree-optimization/26360
6786 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6789 2006-06-04 Roger Sayle <roger@eyesopen.com>
6790 Andrew Pinski <pinskia@physics.uc.edu>
6793 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6794 for LABEL_DECL before calling DECL_WEAK.
6797 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6798 LABEL_DECL and PARM_DECL.
6800 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6804 * c-decl.c (grokdeclarator): Disallow variably modified types at
6805 file scope. Avoid marking shared array type of constant size as
6808 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6811 * c-common.c (fold_offsetof_1): Handle static members.
6813 2006-06-04 Eric Christopher <echristo@apple.com>
6815 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6816 (debug_rli): Output value for remaining_in_alignment.
6817 (update_alignment_for_field): Unconditionalize
6818 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6819 extra alignment code.
6820 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6821 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6822 * tree.h (record_layout_info_s): Remove prev_packed.
6823 * doc/extend.texi (ms_struct): Add documentation of format.
6825 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6827 * tree.h: Declare folding_initializer.
6828 * builtins.c (fold_builtin_constant_p): Give definite answer
6829 if folding inside an initializer.
6830 * fold-const.c: Define folding_initializer.
6831 (START_FOLD_INIT): Save and then set folding_initializer.
6832 (END_FOLD_INIT): Restore folding_initializer.
6834 2006-06-04 Richard Guenther <rguenther@suse.de>
6836 PR tree-optimization/27039
6837 * fold-const.c (fold_comparison): Handle pointer comparison
6838 again for all comparison codes. Compare offsets in signed
6840 (fold_binary): Move code from here.
6842 2006-06-03 Roger Sayle <roger@eyesopen.com>
6845 * config/i386/i386.c (construct_container): Split static issued_error
6846 flag into issued_sse_arg_error, issued_sse_ret_error and
6847 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6848 requires the use of x87 registers and the user explicitly
6849 specified the -mno-80387 command line option.
6851 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6853 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6854 HAVE_DECL_SIGALTSTACK.
6856 (segv_handler): Use MC_FLD.
6857 * configure.ac: Check for a sigaltstack declaration.
6858 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6859 * configure: Regenerate.
6860 * config.in: Regenerate.
6862 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6865 * Makefile.in (stmp-fixinc): Fix typo.
6867 2006-06-02 Roger Sayle <roger@eyesopen.com>
6869 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6870 are type correct. Clean-up.
6871 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6872 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6874 2006-06-01 DJ Delorie <dj@redhat.com>
6876 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6877 shift, as we've disabled the "switch" insn that needs it.
6879 2006-06-01 Per Bothner <bothner@bothner.com>
6881 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6882 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6883 * c-ppoutput.c (cb_define): Don't increment line 0.
6885 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6887 * doc/invoke.texi: Add cpu_type power6.
6888 * config.gcc: Add cpu_type power6.
6889 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6890 to power5+ with Altivec.
6891 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6892 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6894 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6896 * config/avr/avr.h (SET_ASM_OP): Define.
6898 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6900 * config/bfin/bfin.c: Fix comment typos.
6902 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6905 * doc/install.texi: Document --enable-bootstrap and
6906 --disable-bootstrap.
6908 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6910 * doc/install.texi: Document that InfoZIP can replace jar.
6912 2006-05-31 Roger Sayle <roger@eyesopen.com>
6914 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6915 isn't available, directly generate the simpler x87 patterns without
6916 the (use (const_int 0)).
6917 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6918 implementation isn't available.
6919 (*negdf2_1): Likewise.
6920 (*negxf2_1): XF mode negation is always done using the x87.
6921 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6923 2006-05-31 Roger Sayle <roger@eyesopen.com>
6925 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6926 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6928 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6930 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6932 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6933 * config/bfin/bfin.c (basic-block.h): Include.
6934 (struct machine_function): New.
6935 (bfin_init_machine_status): New.
6936 (override_options): Initialize init_machine_status.
6937 (bfin_hardware_loop): New.
6938 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6939 (DEF_VEC_P (loop_info)): New.
6940 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6941 (struct loop_info): New.
6942 (loop_info): New typedef.
6943 (struct loop_work): New.
6944 (loop_work): New typedef.
6945 (DEF_VEC_O (loop_work)): New.
6946 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6947 (bfin_dump_loops): New.
6948 (bfin_bb_in_loop): New.
6949 (bfin_scan_loop): New.
6950 (bfin_optimize_loop): New.
6951 (bfin_reorg_loops): New.
6952 (bfin_reorg): Use bfin_reorg_loops.
6953 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6955 (I_REGNO_P): Simplify.
6956 (DP_REGNO_P, DPREG_P): New macros.
6957 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6958 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6959 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6960 Add LT_REGS, LC_REGS, LB_REGS.
6961 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6963 (REGNO_REG_CLASS): Deal with loop registers.
6964 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6966 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6967 New constants for loop registers.
6968 (UNSPEC_LSETUP_END): New.
6969 (seq_insns): New define_attr. Set it for appropriate insns.
6970 (movsi_insn): Add alternatives for move from/to
6971 loop count registers.
6972 (doloop_end): New define_expand.
6973 (loop_end): New define_insn.
6974 (define_split for bad doloop_end): New.
6975 (lsetup_with_autoinit): New define_insn.
6976 (lsetup_without_autoinit): New define_insn.
6977 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6978 * config/bfin/predicates.md (lc_register_operand): New.
6979 (lt_register_operand): New.
6980 (lb_register_operand): New.
6981 (nondp_register_operand): New.
6982 (nondp_reg_or_memory_operand): New.
6983 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6985 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6987 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6988 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6990 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6992 * Makefile.in (CATALOGS): Add po/ prefix.
6993 * configure: Regenerated.
6995 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6998 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6999 a shift operand before calling shift_op. Avoid redundant call of
7002 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7003 DJ Delorie <dj@redhat.com>
7005 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7006 we're inserting is a singlt-bit constant.
7008 2006-05-30 Roger Sayle <roger@eyesopen.com>
7010 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7011 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7013 2006-05-30 Roger Sayle <roger@eyesopen.com>
7015 PR tree-optimization/23452
7016 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7017 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7018 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7019 complex values and with -ffast-math for FP complex values.
7021 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7023 * c-common.h: Remove the prototype for yyparse.
7024 * rtl.h: Remove the prototype for init_loop.
7026 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7028 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7031 2006-05-30 Roger Sayle <roger@eyesopen.com>
7033 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7035 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7036 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7038 2006-05-30 Dirk Mueller <dmueller@suse.de>
7041 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7042 for CONSTANT_CLASS_P expresisons.
7044 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7047 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7049 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7051 PR tree-optimization/27779
7052 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7053 initial_condition instead of CHREC_LEFT.
7055 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7057 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7058 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7059 Make prototypes ISO C90.
7061 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7062 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7064 * see.c (see_analyze_one_def): Correct check.
7065 (see_get_extension_data): Check if extension is parallel.
7066 (see_get_extension_reg): Likewise.
7068 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7071 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7072 into register for (code == GTU).
7074 2006-05-29 Roger Sayle <roger@eyesopen.com>
7076 PR tree-optimization/24964
7077 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7078 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7079 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7080 abs(x)*abs(x) as x*x for scalar floating point modes.
7082 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7085 * lambda-code.c (perfect_nestify): Don't copy statements
7086 in the inner loop: move them to the inner loop header.
7088 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7091 * c-tree.texi: Document OpenMP directives and clauses.
7093 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7095 * varasm.c (globalize_decl): Fix indentation.
7097 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7100 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7101 pass_fre, pass_store_ccp, pass_copy_prop,
7102 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7103 pass_return_slot, pass_object_size, pass_lim,
7104 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7105 pass_loop_prefetch and pass_stdarg.
7107 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7109 * config/bfin/bfin.opt (mfdpic): New option.
7110 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7111 (EXTRA_MULTILIB_PARTS): Likewise.
7112 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7113 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7115 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7116 (CRT_CALL_STATIC_FUNCTION): New.
7117 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7119 (CRT_CALL_STATIC_FUNCTION): New.
7120 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7122 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7123 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7124 (initialize_trampoline): Changed to handle FD-PIC code generation.
7125 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7126 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7127 (override_options): Disallow -mid-shared-library -mfdpic combination.
7128 Can't do unaligned ops if FD-PIC.
7129 Turn off flag_pic if trying to generate non-id-shared-library
7130 non-fdpic code, since it's not supported.
7131 (bfin_assemble_integer): New function.
7132 (TARGET_ASM_INTEGER): Define.
7133 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7135 * config/bfin/crtn.s: Restore them.
7136 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7138 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7139 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7140 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7141 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7142 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7144 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7145 FDPIC_REGS and FDPIC_FPTR_REGS.
7146 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7147 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7148 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7149 (load_funcdescsi): New pattern.
7150 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7151 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7152 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7154 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7156 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7159 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7161 * tree-flow.h: Remove the prototype for add_type_alias.
7162 * tree-ssa-alias.c (add_type_alias): Remove.
7164 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7166 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7167 config/fr30/fr30.md, config/i386/i386-interix.h,
7168 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7169 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7170 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7171 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7172 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7173 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7174 Follow spelling conventions.
7175 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7176 Follow spelling conventions.
7178 2006-05-27 Richard Guenther <rguenther@suse.de>
7181 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7182 to produce a constant of value 1 of generic type.
7184 2006-05-27 Dirk Mueller <dmueller@suse.de>
7186 * cgraphunit.c (decide_is_function_needed): Fix wrong
7189 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7191 PR rtl-optimization/27661
7192 * reload.c (find_reloads): When reloading a VOIDmode constant
7193 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7194 use Pmode as mode of the reload register.
7196 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7198 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7199 is enabled at -O and above.
7201 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7204 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7207 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7210 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7211 for anonymous variables explicitly declared by front ends.
7213 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7215 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7216 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7217 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7218 ref-all pointers, run a finalization pass for them.
7219 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7220 (finalize_ref_all_pointers): New function.
7221 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7222 regular pointer type to a ref-all pointer type.
7223 (get_tmt_for): Return the special memory tag for ref-all pointers.
7225 2006-05-25 Richard Guenther <rguenther@suse.de>
7228 * fold-const.c (fold_binary): Do not look at the stripped
7229 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7231 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7233 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7234 for LT and GT if the computed range is effectively empty.
7236 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7239 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7240 mips_quad_format formats instead of ieee_single_format,
7241 ieee_double_format and ieee_quad_format formats, respectively.
7243 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7245 PR tree-optimization/27639
7246 PR tree-optimization/26719
7247 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7248 call to scev_probably_wraps_p.
7249 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7250 used_in_pointer_arithmetic_p, convert_step): Removed.
7251 (nowrap_type_p): New function.
7252 (scev_probably_wraps_p): Rewritten.
7253 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7254 chrec_convert if chrec_convert_aggressive might have been used.
7255 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7256 scev_direction): New functions.
7257 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7258 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7259 instead of convert_step.
7260 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7261 (convert_step): Declaration removed.
7262 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7264 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7266 * df-core.c: Added to header comments.
7267 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7268 df_ur_bb_info, df_urec_bb_info): Added comments.
7269 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7270 urec, ri problems): Fixed header comments.
7271 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7272 code from df_rd_transfer_function.
7274 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7276 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7277 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7278 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7280 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7282 * expr.c (undefined_operand_subword_p): New.
7283 (emit_move_multi_word): Do not generate move from undefined bits
7284 of a paradoxical subreg.
7286 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7288 PR rtl-optimization/27736
7289 * combine.c (replaced_rhs_value): New variable.
7290 (combine_instructions): Set it.
7291 (distribute_notes): When distributing a note in replaced_rhs_insn,
7292 check whether the value was used in replaced_rhs_value.
7294 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7297 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7298 add_referenced_var instead of add_referenced_tmp_var.
7299 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7300 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7302 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7303 tree_optimize_tail_calls_1): Use add_referenced_var.
7304 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7305 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7306 Use add_referenced_var.
7307 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7308 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7309 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7310 Use add_referenced_var.
7311 * tree-dfa.c (struct walk_state): Remove.
7312 (find_referenced_vars): Remove walk state and vars_found hash table.
7313 (make_rename_temp): Use add_referenced_var.
7314 (find_vars_r): Pass less parameters to add_referenced_var.
7315 (referenced_var_p): New. Is var in referenced_var hash table.
7316 (referenced_var_insert): Assert var isn't already in hash table.
7317 (add_referenced_var): Don't need walk_state parameter. Add var if it
7318 isn't already in the hash table.
7319 (add_referenced_tmp_var): Remove.
7320 (find_new_referenced_vars_1): Use add_referenced_var.
7321 * tree-ssa-pre.c (create_expression_by_pieces,
7322 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7323 Use add_referenced_var.
7324 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7325 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7326 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7328 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7329 vect_create_data_ref_ptr, vect_create_destination_var,
7330 vect_init_vector, vect_build_loop_niters,
7331 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7332 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7333 Use add_referenced_var.
7334 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7335 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7336 (add_referenced_var): Add prototype.
7337 * tree-ssa-structalias.c (get_constraint_for,
7338 intra_create_variable_infos): Use add_referenced_var.
7340 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7342 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7343 big-endian paradoxical subregs.
7344 * var-tracking.c (struct micro_operation_def): Document that,
7345 for modify micro operations, insn is the subsequent instruction.
7346 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7347 (var_reg_set, var_mem_set): ... new functions.
7348 (add_stores): Record subsequent insn.
7349 (compute_bb_dataflow): Use new functions for MO_USE.
7350 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7351 notes after the insn, and modify notes before the insn known
7352 to be the subsequent one.
7353 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7355 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7358 * config/i386/i386.c (ix86_expand_builtin): Use
7359 gen_sse3_monitor64 for TARGET_64BIT.
7361 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7363 PR rtl-optimization/26375
7364 PR rtl-optimization/26855
7365 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7367 (df_ru_bb_local_compute): Reversed statements and removed bogus
7368 comment explaining why they should be in wrong order.
7369 (df_ru_dump, df_rd_dump): Enhanced debug info.
7370 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7372 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7373 reaching uses and fixed space problem.
7375 2006-05-23 Jan Hubicka <jh@suse.cz>
7377 * cgraphunit.c (decide_is_function_needed): Also nested functions
7378 and functions declared inline can be optimized out at -O0.
7380 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7382 * doc/install.texi (Configuration): Remove reference to CrossGCC
7386 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7389 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7390 ix86_compare_emitted is non-NULL.
7392 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7395 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7398 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7400 PR rtl-optimization/25514
7401 * combine.c (replaced_rhs_insn): New variable.
7402 (combine_instructions): Set replaced_rhs_insn when trying to replace
7403 a SET_SRC with a REG_EQUAL note.
7404 (distribute_notes): Use replaced_rhs_insn when determining the live
7405 range of a REG_DEAD register.
7407 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7408 Anatoly Sokolov <aesok@post.ru>
7410 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7411 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7412 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7413 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7414 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7415 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7416 at90usb647, at90usb1286 and at90usb1287 devices.
7417 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7418 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7420 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7422 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7424 2006-05-22 Richard Guenther <rguenther@suse.de>
7427 2006-01-31 Richard Guenther <rguenther@suse.de>
7428 Paolo Bonzini <bonzini@gnu.org>
7430 * doc/install.texi (--disable-libgcc-math): Document.
7432 2006-05-22 Richard Guenther <rguenther@suse.de>
7435 2006-01-31 Richard Guenther <rguenther@suse.de>
7437 * doc/invoke.texi (-msselibm): Document.
7438 * target.h (expand_library_builtin): New target hook.
7439 * builtins.c (expand_builtin): Use expand_library_builtin.
7440 (default_expand_library_builtin): New function.
7441 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7442 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7443 (link_gcc_math_spec): Declare.
7444 (static_specs): Add link_gcc_math_spec.
7445 * expr.h (default_expand_library_builtin): Declare.
7446 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7447 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7448 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7449 * config/i386/i386.opt (msselibm): New target option.
7450 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7451 (ix86_init_sse_abi_builtins): New function.
7452 (ix86_expand_library_builtin): Likewise.
7453 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7454 (override_options): Handle error conditions wrt -msselibm.
7455 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7456 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7457 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7460 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7463 * c-common.c (self_promoting_args_p): Skip erroneous args.
7466 * c-decl.c (finish_struct): Skip erroneous fields.
7468 2006-05-22 Nick Clifton <nickc@redhat.com>
7470 * config/cris/cris.opt (march): Remove VarExists attribute.
7471 (max-stackframe=): Likewise.
7473 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7475 * doc/rtl.texi: Fix a typo.
7476 * see.c: Fix comment typos.
7478 * tree-ssa-structalias.h (alias_info): Remove num_references.
7480 2006-05-21 Mike Stump <mrs@apple.com>
7482 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7484 (darwin_pragma_options): Use BAD instead.
7485 (darwin_pragma_unused): Likewise.
7486 (darwin_pragma_ms_struct): Likewise.
7488 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7490 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7492 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7494 PR rtl-optimization/27671
7495 * simplify-rtx.c (simplify_relational_operation_1): Fix
7496 simplifications of (eq/ne (xor x y) y) and
7497 (eq/ne (xor x y) x).
7499 PR tree-optimization/26622.
7500 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7503 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7505 * tree-cfg.c: Prune whitespace.
7506 (debug_tree_cfg): Point to correct header containing the
7509 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7512 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7514 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7517 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7518 or sorry count is non zero.
7520 2006-05-20 Andreas Schwab <schwab@suse.de>
7522 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7524 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7525 Kenneth Zadeck <zadeck@naturalbridge.com>
7527 PR rtl-optimization/26855
7529 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7531 (df_scan_alloc): Added code to properly handle multiword hard
7532 registers and add all_blocks parameter.
7533 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7534 code to properly handle multiword hard registers.
7535 (df_rescan_blocks): Added code to remove deleted blocks from
7537 (df_ref_create_structure, df_ref_record): Added code to properly
7539 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7540 and set DF_REF_PARTIAL.
7541 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7542 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7543 (df_scan_add_problem): Added flags parameter.
7544 (df_ref_create_structure): Changed switching structure.
7545 (df_bb_refs_record): Fixed case where duplicate artificial refs
7546 were created. Changed location of flags.
7547 (df_record_entry_block_defs): Added code to make stack pointer
7548 live in entry block. Refined cases where frame pointer is needed.
7549 Changed location of flags.
7550 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7551 (df_set_state): Removed function.
7552 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7553 df_insn_create_insn_record, df_insn_refs_delete,
7554 df_ref_create_structure): Formatting changes.
7555 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7556 df_delete_basic_block): New function.
7557 (df_init): Changed location of flags.
7558 (df_add_problem): Added flags parameter and the way flags are
7560 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7561 debug_df_chain): Improved debugging output.
7562 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7563 (df_refs_chain_dump): Removed df parameter.
7564 (df_iterative_dataflow): Added consistency check.
7565 (df_prune_to_subcfg): Made public.
7566 (df_analyze_problem): Added blocks_to_init parameter and made
7568 (df_ref_record, df_bb_refs_record, df_mark_reg,
7569 df_record_exit_block_uses): Whitespace changes.
7570 (df_dump): Whitespace changes.
7571 * df.h: Some reordering to remove forward references.
7572 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7573 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7574 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7575 (dataflow.flags): New field.
7576 (df.flag): Deleted field.
7577 (df_alloc_function): Added additional bitmap parameter.
7578 (df_dependent_problem_function): New type.
7579 (df_problem.changeable_flags): New field.
7580 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7581 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7582 (df_mw_hardreg): New struct.
7583 (DF_INSN_UID_MWS): New macro.
7584 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7586 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7587 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7588 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7589 (df_set_state): Removed function.
7590 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7591 * df-problems.c (df_chain_dump): Removed df parameter.
7592 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7593 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7595 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7596 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7597 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7598 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7599 DF_REF_MUST_CLOBBER cases.
7600 (df_ru_bb_local_compute_process_def,
7601 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7602 df_lr_bb_local_compute, df_ur_bb_local_compute,
7603 df_chain_create_bb): Made subreg aware.
7604 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7605 df_lr_bb_local_compute, df_lr_bb_local_compute,
7606 df_chain_create_bb): Cleanup to use proper macros.
7607 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7608 code to fixup bitvectors.
7609 (df_ri_alloc): Cleared lifetime.
7610 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7611 df_create_unused_note): New function.
7612 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7613 REG_DEAD and REG_UNUSED notes as well as register information.
7614 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7615 df_chains_dump): Fixed crash if problem was never run.
7616 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7617 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7618 df_ri_add_problem): Processes flags in uniform manner.
7619 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7620 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7621 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7622 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7623 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7624 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7625 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7626 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7627 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7628 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7629 * see.c (see_initialize_data): Ditto.
7630 * final.c (rest_of_clean_state) Added regstack_completed.
7631 * rtl.h (regstack_completed): Ditto.
7632 * reg-stack.c (regstack_completed): Ditto.
7634 2006-05-19 Mike Stump <mrs@apple.com>
7636 * c-tree.h (default_conversion): Remove.
7637 * c-common.h (default_conversion): Add.
7639 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7641 * tree-vrp.c (valid_value_p): New function.
7642 (adjust_range_with_scev): Fail if the value of bound is not
7645 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7647 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7648 (mips_fallback_frame_state): Use syscall numbers to determine
7649 the appropriate li instruction for the current ABI. Only use
7650 __NR_sigreturn for o32.
7652 2006-05-19 Nicolas Setton <setton@adacore.com>
7654 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7655 * langhooks.c (lhd_dwarf_name): New function.
7656 * langhooks-def.h (lhd_dwarf_name): Declare.
7657 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7658 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7659 * ada/misc.c (gnat_dwarf_name): New function.
7660 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7662 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7664 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7666 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7667 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7668 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7669 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7670 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7671 determine the size of Wtype, etc.
7672 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7673 (swfloatfuncs): New variable.
7674 (dwfloatfuncs): Likewise.
7675 (lib2funcs): Remove floating-point conversion functions from
7676 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7677 the set of conversion routines needed. Allow entries to specify
7678 an object name, filename and word size. Update users accordingly.
7679 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7680 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7684 2006-02-08 Roger Sayle <roger@eyesopen.com>
7687 * config/fixtfdi.c: New libgcc source file.
7688 * config/fixunstfdi.c: New source file.
7689 * config/floatditf.c: New source file.
7690 * config/floatunditf.c: New souce file.
7691 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7692 files above instead of config/mips/_tilib.c.
7693 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7695 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7697 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7698 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7700 2006-05-18 Mike Stump <mrs@apple.com>
7702 Fix up vla, vm and [*] sematics.
7708 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7709 (c_vla_unspec_p): Add.
7710 (c_vla_type_p): Add.
7711 * c-decl.c (struct c_scope): Add had_vla_unspec.
7712 (build_array_declarator): Add support for [*].
7713 (grokdeclarator): Likewise.
7714 (grokparms): Likewise.
7715 (get_parm_info): Likewise.
7716 * c-objc-common.c (c_vla_unspec_p): Likewise.
7717 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7718 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7719 typeof when argument is a variably modified type not inside sizeof or alignof.
7720 (c_parser_direct_declarator_inner): Propagate errors.
7721 (c_parser_sizeof_expression): Add support for [*].
7722 (c_parser_parms_declarator): Initialize had_vla_unspec.
7723 (c_parser_parms_list_declarator): Likewise.
7724 * c-typeck.c (c_vla_type_p): Add.
7725 (composite_type): Add support for vla compositing.
7726 (comptypes_internal): Add support for vla compatibility.
7727 (c_expr_sizeof_expr): Evaluate vla arguments.
7728 * tree.c (variably_modified_type_p): Update comment for [*].
7730 2006-05-18 Michael Matz <matz@suse.de>
7733 * config.host: Make assignments to host_xmake_file cumulative.
7734 * config.host (*-darwin*): Test $host, not $target.
7736 2006-05-12 Stuart Hastings <stuart@apple.com>
7738 * config/i386/i386.opt (-mstackrealign): New flag.
7739 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7740 (ix86_handle_cconv_attribute): Emit error when
7741 force_align_arg_pointer attribute collides with too many regparms.
7742 (ix86_function_regparm): Limit regparms when used with
7743 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7744 Support stack-realigning prologue in non-main functions. Emit
7745 warning for nested functions under -mstackrealign, emit error for
7746 nested functions with force_align_arg_pointer attribute.
7747 * doc/extend.texi (force_align_arg_pointer): Document it.
7748 * doc/invoke.texi (-mstackrealign): Document it.
7750 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7752 PR rtl-optimization/27477
7753 * combine.c (try_combine): Don't split a parallel consisting
7754 of two sets into two individual sets if both sets reference
7757 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7759 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7760 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7762 * doc/options.texi (VarExists): Updated.
7764 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7766 * unwind-dw2.c: Add declarations for uw_update_context and
7768 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7769 detected, advance frame state and context once to skip over stub.
7771 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7775 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7776 Call rewrite_into_loop_closed_ssa only when something changed.
7777 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7778 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7779 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7780 Test for perfect_nest_p here. Fix formating.
7781 (replace_uses_equiv_to_x_with_y): Fix formating.
7782 (stmt_uses_op): Removed.
7783 (can_convert_to_perfect_nest): Removed loopivs parameter.
7784 Complete the test by checking the scalar dependences.
7785 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7788 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7791 From Dan Kegel <dank@kegel.com>:
7792 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7794 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7796 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7797 if the element type is variably modified without recursing.
7799 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7802 * tree-loop-linear.c (try_interchange_loops): Test for
7803 no data dependences.
7805 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7807 PR tree-optimization/27548
7808 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7809 range of ssa names that appear on abnormal edges.
7810 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7811 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7813 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7816 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7818 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7821 * tree.h (OMP_PARALLEL_COMBINED): Define.
7822 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7823 (new_omp_context): Add is_combined_parallel argument.
7824 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7825 new_omp_context caller.
7826 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7827 Adjust gimplify_scan_omp_clauses callers.
7828 (omp_is_private): Issue errors if iteration variable is firstprivate
7829 or reduction in the current context.
7830 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7831 on combined parallel workshare constructs.
7833 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7835 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7836 (gcc-options.o): New rule.
7838 * optc-gen.awk: Protect variables for gcc-options.o with
7839 #ifdef GCC_DRIVER/#endif.
7841 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7843 Fix PR tree-optimization/27373
7844 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7845 (forward_propagate_addr_expr): Update call.
7847 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7849 * doc/options.texi: Move the Negative option.
7851 2006-05-16 Richard Guenther <rguenther@suse.de>
7853 PR tree-optimization/22303
7854 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7856 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7857 ccp_fold did not simplify the statement.
7859 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7862 * Makefile.in (GCC_OBJS): New.
7863 (OBJS-common): Add opts-common.o.
7864 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7865 (cpp$(exeext)): Likewise.
7866 (gcc.o): Also depend on opts.h.
7867 (opts-common.o): New.
7869 * common.opt (gcoff): Add Negative(gdwarf-2).
7870 (gdwarf-2): Add Negative(gstabs).
7871 (gstabs): Add Negative(gstabs+).
7872 (gstabs+): Add Negative(gvms).
7873 (gvms): Add Negative(gxcoff).
7874 (gxcoff): Add Negative(gxcoff+).
7875 (gxcoff+): Add Negative(gcoff).
7876 * config/i386/i386.opt (m32): Add Negative(m64).
7877 (m64): Add Negative(m32).
7879 * doc/options.texi: Document the Negative option.
7881 * gcc.c: Include "opts.h".
7882 (main): Call prune_options after expandargv.
7884 * optc-gen.awk: Generate common declarations for all flag
7885 variables in options.c. Output the neg_index field.
7887 * opts.c (find_opt): Moved to ...
7888 * opts-common.c: Here. New file.
7890 * opts.h (cl_option): Add a neg_index field.
7892 (prune_options): Likewise.
7894 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7897 * omp-low.c (expand_omp_parallel): Don't assert
7898 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7899 instead search for it.
7902 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7905 2006-05-16 Andreas Schwab <schwab@suse.de>
7907 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7910 2006-05-15 Roger Sayle <roger@eyesopen.com>
7913 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7914 integer constants other than zero are only legitimate on TARGET_64BIT.
7915 <CONST_VECTOR> Only zero vectors are legitimate.
7916 (ix86_cannot_force_const_mem): Integral and vector constants can
7917 always be put in the constant pool.
7919 2006-05-16 DJ Delorie <dj@redhat.com>
7921 * crtstuff.c (__dso_handle): Set section from
7922 TARGET_LBIGCC_SDATA_SECTION if defined.
7923 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7924 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7926 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7929 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7932 2006-05-16 Ben Elliston <bje@au.ibm.com>
7934 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7936 2006-05-15 Per Bothner <per@bothner.com>
7938 * tree.c: (last_annotated_node): Use source_locus typedef.
7939 This permits bootstrapping with --enable-mapped-location.
7941 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7943 PR tree-optimization/26830
7944 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7945 (info_for_ssa_name, current_info_for_ssa_name_age,
7946 blocks_to_update): New variables.
7947 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7948 (clear_ssa_name_info, initialize_flags_in_bb,
7949 mark_block_for_update): New functions.
7950 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7951 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7952 prepare_def_site_for): Use mark_block_for_update.
7953 (mark_def_interesting): Assert that the processed block is marked in
7954 blocks_to_update. Do not take blocks argument.
7955 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7957 (rewrite_update_init_block, rewrite_update_stmt): Only process
7958 blocks with statements to rewrite.
7959 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7960 (update_ssa): Initialize and free blocks_to_update. Do not
7961 clear flags on statements. Do not use blocks bitmap.
7962 * tree.h (SSA_NAME_AUX): Removed.
7963 (struct tree_ssa_name): Removed aux field.
7964 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7966 2006-05-15 Richard Guenther <rguenther@suse.de>
7968 PR tree-optimization/27603
7969 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7970 Do computations in original type.
7972 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7974 * see.c: Code style changes such as redundant paranthesis,
7975 redundant intialization of local variables etc.
7976 (see_main): Declared now as static.
7977 * doc/invoke.texi: Update that -fsee is not enabled by
7980 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7982 * omp-low.c (check_omp_nesting_restrictions): New function.
7983 (scan_omp_1): Call it.
7986 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7987 construct, return *VAR.
7989 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7991 PR rtl-optimization/27406
7992 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7995 2006-05-14 Roger Sayle <roger@eyesopen.com>
7997 PR rtl-optimization/27538
7998 * combine.c (expand_compound_operation): Call gen_lowpart
7999 before calling simplify_shift_const.
8001 2006-05-14 Roger Sayle <roger@eyesopen.com>
8003 PR rtl-optimization/22563
8004 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8005 a fixed width bitfield, always force the intermediates into psuedos.
8007 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8010 * mkconfig.sh: Use operator = instead of == for test.
8012 2006-05-13 Nick Clifton <nickc@redhat.com>
8014 * dwarf2out.c (dbx_reg_number): Check return value from
8015 LEAF_REG_REMAP and only use it if it is valid.
8016 (multiple_reg_loc_descriptor): Likewise.
8018 2006-05-13 Richard Guenther <rguenther@suse.de>
8020 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8023 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8025 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8026 information attached to non-INSNs such as NOTEs.
8027 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8029 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8031 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8033 * config/s390/s390.md: Adjust comment describing On constraint.
8035 2006-05-11 Jan Hubicka <jh@suse.cz>
8037 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8038 to be output at -O0.
8040 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8043 * fold-const.c (size_binop): Move sanity check for arguments to
8044 the beginning of the function.
8047 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8050 2006-05-11 Richard Guenther <rguenther@suse.de>
8053 * fold-const.c (fold_unary): Handle intermediate conversion
8054 to a pointer type like intermediate conversion to an integer
8055 type in folding of (T1)(T2)var to var.
8056 Match the code to the comment in the final conversion for
8057 (T1)(T2)var to (T1)var regarding to type precision. Rather
8058 than disallow T1 being of pointer type, assert that both T1
8059 and var are of pointer type or not. Make sure not to fall
8060 over the frontends lazyness wrt array to pointer decay though.
8062 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8064 * arm.c (arm_struct_value_rtx): Delete.
8065 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8066 (arm_init_cumulative_args): Always initialize nregs to zero.
8068 2006-05-10 Richard Guenther <rguenther@suse.de>
8070 PR tree-optimization/27532
8071 * tree-object-size.c (plus_expr_object_size): Fix typo.
8073 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8076 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8077 ashrdi_const, ashrdi3): Use a scratch register.
8079 2006-05-10 Richard Guenther <rguenther@suse.de>
8081 PR tree-optimization/27302
8082 * fold-const.c (operand_equal_p): For two comparisons,
8083 try comparison of one comparison code swapped if that yields
8086 2006-05-10 Ben Elliston <bje@au.ibm.com>
8088 * tree-pretty-print.c (pretty_print_string): No need to handle
8089 '\0' as a special character.
8091 * tree.h: Include "hashtab.h".
8092 (iterative_hash_expr): Use hashval_t in its prototype.
8093 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8095 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8098 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8099 (hppa*64*-*-hpux11*): Ditto.
8100 (hppa[12]*-*-hpux11*): Ditto.
8102 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8105 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8107 2006-05-09 Michael Matz <matz@suse.de>
8109 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8110 host_extra_gcc_objs and host_xmake_file.
8111 (<*-*-linux*>): Don't overwrite host_xmake_file.
8112 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8113 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8114 (host_detect_local_cpu): Declare.
8115 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8116 * config/i386/i386.c (override_options): Handle -mtune=native
8118 * config/i386/x-i386: New file.
8119 * config/i386/driver-i386.c: New file.
8120 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8123 2006-05-09 Dirk Mueller <dmueller@suse.de>
8124 Richard Guenther <rguenther@suse.de>
8127 * fold-const.c (fold_read_from_constant_string): Relax check
8128 for matching types to matching modes.
8130 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8132 PR rtl-optimization/27335
8133 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8136 2006-05-08 Chao-ying Fu <fu@mips.com>
8137 Richard Sandiford <richard@codesourcery.com>
8139 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8140 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8141 * config/mips/mips.md (UNSPEC_SCC): New constant.
8142 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8143 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8144 (mips_emit_compare): Use it.
8145 (mips_expand_vcondv2sf): New function.
8147 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8149 Fix PR tree-optimization/27093
8150 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8151 renaming when they become not-used_alone.
8153 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8155 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8156 relocation and relocation stubs.
8158 2006-05-08 Eric Christopher <echristo@apple.com>
8160 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8163 2006-05-08 Jan Hubicka <jh@suse.cz>
8166 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8167 unused static functions are needed.
8169 2006-05-08 Roger Sayle <roger@eyesopen.com>
8172 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8173 of a reg_equiv_constant if the result is a legitimate constant.
8175 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8178 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8179 standard 80387 constants, raise the cost to prevent
8180 compress_float_constant() to generate load from memory.
8182 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8184 * config/arm/constraints.md (c): Fix a typo.
8186 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8189 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8192 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8194 (_mm_mwait): Likewise.
8196 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8198 (sse3_monitor): Make it 32bit only.
8199 (sse3_monitor64): New. 64bit monitor.
8201 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8204 * config/i386/i386.c (classify_argument): Skip fields with invalid
8207 2006-05-07 Richard Guenther <rguenther@suse.de>
8209 PR tree-optimization/27409
8210 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8211 Do not try to find zero-sized subvars.
8213 2006-05-07 Richard Guenther <rguenther@suse.de>
8215 PR tree-optimization/27136
8216 * tree-ssa-loop-niter.c (get_val_for): Correct function
8217 comment, assert requirements.
8218 (loop_niter_by_eval): Stop processing if the iterated
8219 value did not simplify.
8221 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8223 * opts.c (flag_see): remove its setting at -O3.
8225 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8227 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8228 * arm/constraints.md: New file.
8229 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8230 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8231 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8232 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8233 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8234 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8235 * arm.md: Include constraints.md.
8236 (thumb_movsi_insn): Use satisfies_constraint_J.
8237 (movhi, movqi): Use satisfies_constraint_I.
8239 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8241 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8242 for atmeg a645 device.
8244 2006-05-06 Richard Guenther <rguenther@suse.de>
8246 PR tree-optimization/27151
8247 * tree-vect-transform.c (vectorizable_condition): Punt on
8248 values that have a different type than the condition.
8250 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8253 * c-parser.c (c_parser_cast_expression): Only insert casts into
8254 hash table if pointer.
8255 * function.c (used_types_insert_helper): Rename from
8257 (used_types_insert): Call used_types_insert_helper.
8258 * function.h (used_types_insert): Accept only one argument.
8260 2006-05-05 David Edelsohn <edesohn@gnu.org>
8262 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8263 scratch with output modifier.
8265 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8268 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8269 with output modifier.
8271 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8274 * config/mips/mips.c (mips_symbolic_address_p): Return true
8275 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8276 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8278 2006-05-04 Richard Guenther <rguenther@suse.de>
8280 PR tree-optimization/14287
8281 PR tree-optimization/14844
8282 PR tree-optimization/19792
8283 PR tree-optimization/21608
8284 PR tree-optimization/27090
8285 * tree-ssa-pre.c (try_combine_conversion): New function.
8286 (compute_avail): After constructing the value-handle
8287 expression, use try_combine_conversion to combine NOP_EXPRs
8288 with previous value-handle expressions and use the result if it
8291 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8293 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8295 2006-05-04 Jan Hubicka <jh@suse.cz>
8298 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8300 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8302 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8303 that this only matches CONST_INTs. All users changed to VOIDmode
8306 * config/bfin/bfin.c: Include "optabs.h".
8307 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8309 (enum bfin_builtins): Add a number of fractional and vector builtins.
8310 (bfin_init_builtins): Likewise.
8311 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8312 (safe_vector_operand, bfin_expand_binop_builtin,
8313 bfin_expand_unop_builtin): New functions.
8314 (bfin_expand_builtin): Handle the new builtins.
8315 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8318 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8321 * Makefile.in (OBJS-common): Add see.o.
8322 (see.o): Add dependencies.
8323 * common.opt (fsee): New flag for the see optimization was added.
8324 * opts.c (flag_see): Initialized.
8325 * passes.c (init_optimization_passes, pass_see): New pass.
8326 * rtl.h (see_main): Declaration as extern.
8327 * timevar.def (TV_SEE): New.
8328 * tree-pass.h (pass_see): Declaration as extern.
8329 * invoke.texi (-fsee): Document.
8330 * recog.c (validate_simplify_insn): New function.
8331 * recog.h (validate_simplify_insn): Declaration as extern.
8332 * df-problems.c (df_chain_dump): Check for NULL.
8334 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8335 Daniel Berlin <dberlin@dberlin.org>
8337 * cfgrtl.c (insert_insn_bb_end_new): New function.
8338 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8340 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8342 * df.h (struct web_entry): Moved from web.c.
8343 (union_defs): Declaration as extern.
8344 (unionfind_root): Likewise.
8345 (unionfind_union): Likewise.
8346 * web.c (struct web_entry): Moved to df.h.
8347 (unionfind_root): Remove static declaration.
8348 (unionfind_union): Likewise.
8349 (union_defs): Likewise and generalize to use callback function.
8350 (web_main): Update arguments for union_defs function call.
8352 2006-05-04 Richard Guenther <rguenther@suse.de>
8354 PR tree-optimization/26447
8355 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8356 produce SSA_NAME copies before the store stmt to avoid
8357 breaking exception handling.
8359 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8362 * gimplify.c (omp_is_private): If var is shared in some outer context,
8363 return false instead of true. Stop searching on parallel context
8366 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8369 * coverage.c: Use get_gcov_unsigned_t() instead of
8370 unsigned_type_node all over.
8372 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8374 PR tree-optimization/27381
8375 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8376 maintain the same immediate_use links.
8377 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8378 node rather than segfaulting.
8380 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8383 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8384 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8385 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8387 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8389 Fix PR tree-optimization/26626
8390 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8392 * tree-ssa-operands.c (access_can_touch_variable): Allow
8393 typecasting through union pointers.
8395 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8398 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8399 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8400 to find if var will be a global variable even in the nested context.
8401 (omp_copy_decl): Only check for global variable at the end, it might
8402 be overridden in outer contexts.
8403 (scan_sharing_clauses): For global variables don't create a field.
8404 (lower_rec_input_clauses): Do nothing for global shared variables.
8405 Emit a barrier at the end of ILIST if there were any decls in both
8406 firstprivate and lastprivate clauses.
8407 (lower_send_clauses): Do nothing for global variables except for
8410 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8412 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8413 of the correct signedness is returned.
8415 2006-05-02 Jeff Law <law@redhat.com>
8417 PR tree-optimization/27364
8418 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8419 multiply expressions.
8421 2006-05-02 Tom Tromey <tromey@redhat.com>
8423 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8425 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8428 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8429 -mthumb -fPIC are used.
8431 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8432 Joshua Kinard <kumba@gentoo.org>
8435 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8436 with 64-bit pointers.
8438 2006-05-02 Paul Brook <paul@codesourcery.com>
8440 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8442 (create_fix_barrier): Check that a suitable barrier location is
8444 (arm_reorg): Include ftmp->address in allowable range of addresses.
8446 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8449 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8452 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8455 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8456 around RESULT_DECL for result passed by reference.
8457 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8458 * omp-low.c (use_pointer_for_field): Don't look at
8459 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8460 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8461 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8462 time or var for passing by reference for
8463 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8464 TREE_ADDRESSABLE variables when passing by reference.
8466 * omp-low.c (dump_omp_region): Fix output formatting.
8469 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8470 (expand_omp_parallel): Likewise.
8471 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8474 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8475 on statement list containing also constructors and destructors.
8476 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8479 * except.c (duplicate_eh_regions): Fix clearing of
8480 cfun->eh->region_array entries.
8482 2006-05-01 DJ Delorie <dj@redhat.com>
8484 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8486 (gcc_cv_objdump): Likewise.
8487 * configure: Regenerated.
8489 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8492 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8493 templates for case 3 and 4.
8495 2006-05-01 DJ Delorie <dj@redhat.com>
8497 * vec.c: Include bconfig.h when appropriate.
8498 * Makefile.in (build/vec.o): Adjust dependencies.
8499 * mkconfig.sh: Make sure config.h isn't used for build machine
8502 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8504 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8506 (mark_phi_for_rewrite): New function.
8507 (insert_phi_nodes_for, mark_use_interesting): Call
8508 mark_phi_for_rewrite.
8509 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8510 (update_ssa): Initialize and free phis_to_rewrite.
8512 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8514 PR rtl-optimization/27291
8515 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8516 folded to a constant.
8518 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8520 PR tree-optimization/27283
8521 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8522 not whole # of iteration descriptions.
8523 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8524 uses abnormal ssa name.
8525 (niter_for_single_dom_exit): Ditto.
8526 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8527 return just the number of iterations.
8529 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8531 PR tree-optimization/27144
8532 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8533 (record_estimate): Only record constant upper bound.
8534 (infer_loop_bounds_from_undefined): Call
8535 compute_estimated_nb_iterations just once.
8536 (proved_non_wrapping_p): Renamed to ...
8537 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8538 (convert_step_widening, scev_probably_wraps_p): Call
8539 n_of_executions_at_most instead of proved_non_wrapping_p.
8540 (substitute_in_loop_info): Do not replace values in bounds.
8541 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8544 2006-05-01 Richard Henderson <rth@redhat.com>
8547 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8548 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8551 2006-05-01 Roger Sayle <roger@eyesopen.com>
8553 * c-typeck.c (parser_build_binary_op): Don't call the function
8554 unsigned_conversion_warning to spot operand/result type overflow.
8555 (build_binary_op): Instead, call convert_and_check instead of
8556 convert to report the problem when the operands are promoted.
8557 * c-common.c (unsigned_conversion_warning): Make static.
8558 * c-common.h (unsigned_conversion_warning): Delete prototype.
8560 2006-05-01 Richard Guenther <rguenther@suse.de>
8562 PR tree-optimization/26726
8563 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8565 (find_interesting_uses_address): ... we work around here
8566 by folding INDIRECT_REFs in the substituted base.
8568 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8570 * omp-low.c (dump_omp_region): Add newlines.
8572 2006-04-30 Roger Sayle <roger@eyesopen.com>
8574 * common.opt (Woverflow): New command line option.
8575 * c-common.c (constant_expression_warning): Check warn_overflow.
8576 (overflow_waring): Pass OPT_Woverflow to warning.
8577 (unsigned_conversion_warning): Likewise.
8578 (convert_and_check): Likewise.
8579 * doc/invoke.texi: Document new command line option.
8581 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8583 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8584 TARGET_NO_FP_IN_TOC for section anchors.
8585 (optimization_options): Enable section anchors for all
8586 non-"Objective" languages.
8588 2006-04-28 Eric Christopher <echristo@apple.com>
8590 * config/darwin-c.c (darwin_ms_struct): Move this
8591 (darwin_set_default_type_attributes): and this...
8592 * config/darwin.c: ... here.
8593 * config/darwin.h (darwin_ms_struct): Declare.
8595 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8597 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8599 2006-04-28 Roger Sayle <roger@eyesopen.com>
8602 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8603 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8604 an unsigned HOST_WIDE_INT.
8605 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8607 (really_start_incremental_init): No need to call convert because
8608 bitsize_zero_node is already of type bitsizetype.
8609 (push_init_level): Extract the value of constructor_index as an
8610 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8611 (process_init_element): Likewise.
8613 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8615 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8616 value before passing to make_relative_prefix.
8618 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8621 * builtins.c (expand_builtin_memset): Expand val in original mode.
8623 2006-04-27 Eric Christopher <echristo@apple.com>
8625 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8626 with #ifndef/#endif.
8627 * config/darwin-c.c (darwin_ms_struct): New.
8628 (darwin_pragma_ms_struct): Ditto.
8629 (darwin_set_default_type_attributes): Ditto.
8630 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8631 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8632 Register ms_struct pragma.
8633 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8634 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8635 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8636 darwin_set_default_type_attributes if TARGET_MACHO.
8638 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8640 PR tree-optimization/26854
8641 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8642 * doc/tree-ssa.texi: Update immuse iterator documentation.
8643 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8644 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8645 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8646 first_safe_imm_use, next_safe_imm_use): Remove.
8647 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8648 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8649 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8650 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8651 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8652 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8653 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8654 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8655 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8656 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8657 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8658 (perfect_nestify): Use new iterator.
8659 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8661 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8662 (next_imm_name): New field in struct immediate_use_iterator_d.
8663 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8664 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8665 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8666 * tree-cfg.c (replace_uses_by): Use new iterator.
8667 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8668 * tree-ssa-operands.c (correct_use_link): Remove.
8669 (finalize_ssa_use_ops): No longer call correct_use_link.
8671 2006-04-27 Stuart Hastings <stuart@apple.com>
8673 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8674 * config/t-darwin (crt3.o): Use it.
8675 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8676 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8677 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8678 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8679 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8682 2006-04-27 Roger Sayle <roger@eyesopen.com>
8684 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8685 size, force the intermediate into a new pseudo rather instead of
8686 performing both a bitwise AND and a bitwise IOR in memory.
8688 2006-04-27 Richard Guenther <rguenther@suse.de>
8690 PR rtl-optimization/26685
8691 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8692 this one "max-flow-memory-locations".
8694 2006-04-27 Richard Guenther <rguenther@suse.de>
8696 PR tree-optimization/25148
8697 * tree-vrp.c (compare_values): Remove code dealing with
8698 comparisons against type min/max value. Honour overflow
8699 and negative constants in code dealing with comparisons
8700 of plus and minus expressions.
8701 (value_inside_range): Use fold_binary with LE_EXPR and
8702 GE_EXPR rather than compare_values.
8704 2006-04-27 Dirk Mueller <dmueller@suse.de>
8706 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8709 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8711 * basic-block.h (safe_insert_insn_on_edge): Removed.
8712 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8714 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8715 Paolo Bonzini <bonzini@gnu.org>
8718 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8719 (simplify_and_const_int): Same.
8721 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8723 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8725 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8728 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8729 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8730 cgraph_global_info_ready.
8733 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8736 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8737 either decl or init is error_mark_node.
8740 * tree-flow.h (struct omp_region): Add sched_kind.
8741 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8742 instead of extracting omp for data.
8743 (expand_omp_for): Save extracted sched_kind.
8745 2006-04-25 Roger Sayle <roger@eyesopen.com>
8747 * expmed.c (store_bit_field): Also check whether the bitsize is
8748 valid for the machine's "insv" instruction before moving the
8749 target into a pseudo for use with the insv.
8750 * config/i386/predicates.md (const8_operand): New predicate.
8751 * config/i386/i386.md (extv, extzv, insv): Use the new
8752 const8_operand predicate where appropriate.
8754 2006-04-25 DJ Delorie <dj@redhat.com>
8756 * doc/install.texi (Specific): Clarify that this is not a list of
8757 supported hosts or targets.
8759 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8761 PR rtl-optimization/26725
8762 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8763 block's BB_DIRTY flag.
8765 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8767 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8770 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8771 to print an integer.
8773 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8775 * varasm.c (align_variable): New function.
8776 (get_block_for_decl): Apply align_variable to DECL before
8777 calculating section information.
8778 (assemble_variable): Split out alignment computation.
8780 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8782 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8785 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8787 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8788 MODE_PARTIAL_INT mode.
8789 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8790 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8792 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8793 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8795 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8797 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8799 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8800 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8801 MACFLAG_IH): Likewise.
8802 (movstricthi_1): Renamed from "*movstricthi".
8803 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8804 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8805 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8806 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8807 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8808 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8809 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8810 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8811 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8812 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8813 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8814 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8815 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8816 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8817 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8819 * doc/rtl.texi (ss_ashift): Improve wording.
8821 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8823 * dwarf2out.c (verify_marks_clear): New.
8824 (prune_unused_types): Call verify_marks_clear initially, not
8827 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8829 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8830 * doc/rtl.texi: Document them.
8831 * simplify-rtx.c (simplify_unary_operation,
8832 simplify_binary_operation_1): Don't abort when we see them.
8834 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8837 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8838 * configure.ac: Completely disregard languages that are not
8840 * configure: Regenerated.
8842 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8843 Richard Guenther <rguenther@suse.de>
8845 PR tree-optimization/27236
8846 * tree-inline.c (copy_body_r): Make sure to copy
8847 TREE_THIS_VOLATILE flag.
8849 2006-04-24 Richard Guenther <rguenther@suse.de>
8852 * tree-complex.c (update_parameter_components): Don't handle
8853 unused parameters which have no default def.
8855 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8856 Richard Guenther <rguenther@suse.de>
8858 PR tree-optimization/27218
8859 * tree-inline.c (expand_call_inline): Strip useless type
8860 conversions for the return slot address.
8862 2006-04-24 Richard Guenther <rguenther@suse.de>
8864 * cfgloop.h (struct loops): Remove unused field array. Reorder
8866 (LOOP_PREFETCH): Remove.
8868 2006-04-24 Richard Guenther <rguenther@suse.de>
8870 PR tree-optimization/22525
8871 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8872 variable, adjust types of generated expressions.
8874 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8876 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8877 (tree-vect-patterns.o): Likewise.
8879 (cselib.o): Likewise.
8880 (loop-doloop.o): Likewise.
8881 (regclass.o): Likewise.
8882 (reload1.o): Likewise.
8883 (explow.o): Replace target.h with $(TARGET_H).
8884 (ipa-prop.o): Likewise.
8885 (ipa-cp.o): Likewise.
8886 (ipa-inline.o): Likewise.
8887 (reorg.o): Likewise.
8888 (reg-stack.o): Likewise.
8890 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8892 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8894 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8896 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8898 * configure.ac: Completely disregard languages that are not
8900 * configure: Regenerated.
8903 * c-common.h (c_build_bitfield_integer_type): Declare.
8904 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8905 * c-common.c (c_build_bitfield_integer_type): ... here.
8907 2006-04-23 Roger Sayle <roger@eyesopen.com>
8910 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8911 a SImode SUBREG of a floating point register after no_new_pseudos.
8913 2006-04-23 Roger Sayle <roger@eyesopen.com>
8915 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8916 identify potentially eliminable registers to additionally catch
8917 VIRTUAL_INCOMING_ARGS_REGNUM.
8918 (addsi3): Update the conditions on when to use addsi_small_int.
8920 2006-04-23 Roger Sayle <roger@eyesopen.com>
8923 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8924 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8925 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8927 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8929 * fold-const.c (range_predecessor): Use operand_equal_p
8930 as the predicate for equality.
8931 (range_successor): Likewise.
8933 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8936 * config/soft-fp/op-common.h: Fix a typo.
8938 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8941 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8942 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8944 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8946 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8948 * doc/tm.texi: Fix a typo.
8950 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8952 * dwarf2out.c (struct die_struct): Document that die_sib makes
8953 a circular linked list.
8954 (FOR_EACH_CHILD): New.
8955 (reverse_die_lists): Delete.
8956 (reverse_all_dies): Delete.
8957 (add_dwarf_attr): Correct documentation.
8958 (remove_child_with_prev): New.
8959 (remove_child_TAG): Update for change to die_struct, use
8960 remove_child_with_prev.
8961 (add_child_die): Update for change to die_struct.
8962 (splice_child_die): Use remove_child_with_prev and add_child_die.
8963 (print_die): Use FOR_EACH_CHILD.
8964 (die_checksum): Likewise.
8965 (assign_symbol_names): Likewise.
8966 (output_location_lists): Likewise.
8967 (build_abbrev_table): Likewise.
8968 (calc_die_sizes): Likewise.
8969 (mark_dies): Likewise.
8970 (unmark_dies): Likewise.
8971 (unmark_all_dies): Likewise.
8972 (output_die): Likewise.
8973 (prune_unused_types_mark): Likewise.
8974 (prune_unused_types_walk): Likewise.
8975 (same_die_p): Update for change to die_struct.
8976 (break_out_includes): Likewise.
8977 (prune_unused_types_prune): Likewise.
8978 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8979 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8981 (dwarf2out_finish): Don't call reverse_all_dies.
8983 2006-04-21 Eric Christopher <echristo@apple.com>
8985 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8986 in comments and function names.
8988 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8991 * c-typeck.c (digest_init): Robustify.
8993 * c-typeck.c (pop_init_level): Simplify.
8995 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8997 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8999 2006-04-21 Paul Brook <paul@codesourcery.com>
9001 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9002 hardware floating point.
9004 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9006 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9009 2006-04-21 Nick Clifton <nickc@redhat.com>
9011 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9014 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9017 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9018 C++ lang type in traceback table for Objective-C++.
9020 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9022 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9024 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9026 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9029 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9030 were errors. Remove check for erroneous objects.
9032 2006-04-20 Jeff Law <law@redhat.com>
9034 PR tree-optimization/26854
9035 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9036 checking for zero or one use.
9037 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9038 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9039 * tree-ssa-reassoc.c (negate_value): Similarly.
9040 (reassociate_bb): Similarly.
9042 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9044 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9045 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9046 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9048 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9050 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9051 fp regs if the last fp arg doesn't fit in regs.
9053 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9056 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9057 that the last insn has the REG_INC note.
9059 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9060 Nathan Sidwell <nathan@codesourcery.com>
9063 * stor-layout.c (update_alignment_for_field): Do not align
9065 (place_union_field): Place union field at the start of the union.
9066 (place_field): Move ERROR_MARK check later, and use the current
9067 allocation position to maintain monotonicity.
9069 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9071 * dominance.c: Include timevar.h.
9072 (calculate_dominance_info): Use TV_DOMINANCE.
9073 * timevar.def (TV_DOMINANCE): New timevar.
9074 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9076 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9078 PR rtl-optimization/14261
9079 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9080 move would be an INSV insn.
9081 (noce_process_if_block): Don't optimize if the destination is a
9082 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9084 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9086 * config/s390/s390.md: Add comments with the instructions emitted
9087 by an insn pattern if macros are used.
9089 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9091 PR rtl-optimization/26026
9092 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9093 is a known power of two shifted left a variable amount.
9095 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9097 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9098 to hash table twice when the debug_str section has SECTION_MERGE.
9100 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9102 * config/soft-fp: New directory. From glibc.
9103 * config/soft-fp/t-softfp: New.
9104 * config/soft-fp/README: New.
9105 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9106 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9107 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9108 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9109 * config.gcc: Use rs6000/t-fprules-fpbit or
9110 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9112 * config/rs6000/sfp-machine.h: New. Based on glibc.
9113 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9115 * config/rs6000/t-fprules: Remove fp-bit rules.
9116 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9117 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9118 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9119 (softfp_wrap_start, softfp_wrap_end): New.
9121 2006-04-18 DJ Delorie <dj@redhat.com>
9123 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9125 2006-04-18 Devang Patel <dpatel@apple.com>
9127 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9129 2006-04-18 Nick Clifton <nickc@redhat.com>
9131 * config/sh/t-symbian: Add rule to build sh-c.o
9132 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9133 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9134 (sh_symbian_encode_section_info): Likewise.
9136 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9138 * builtins.c (expand_builtin_strcmp): Cover label definition of
9139 do_libcall with HAVE_cmpstrnsi.
9141 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9143 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9145 * function.h (temp_slot_p): New.
9146 (function): Change the type of x_used_temp_slots to
9147 VEC(temp_slot_p,gc) *.
9149 2006-04-18 Nick Clifton <nickc@redhat.com>
9151 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9152 flag_strength_reduce.
9154 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9156 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9160 Partial revert of revision 112637
9161 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9162 Dale Johannesen <dalej@apple.com>
9165 * regclass.c (struct reg_pref): Update documentation.
9166 (regclass): Set prefclass to NO_REGS if memory is the best option.
9167 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9169 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9171 PR tree-optimization/26821
9172 * tree-ssa-math-opts.c (get_constant_one): New.
9173 (insert_reciprocals): Use it.
9175 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9177 * dwarf2out.c (free_AT): Delete.
9178 (remove_AT): Update string ref counts.
9179 (remove_child_TAG): Don't call free_die.
9181 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9182 or DW_TAG_GNU_EINCL.
9183 (prune_unused_types_walk_attribs): Reset string refcounts.
9184 (prune_unused_types_update_strings): New.
9185 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9186 call free_die. Do call prune_unused_types_update_strings.
9187 (prune_unused_types): Empty debug_str_hash.
9189 2006-04-17 Roger Sayle <roger@eyesopen.com>
9191 * expr.c (expand_assignment): Optimize away no-op moves where the
9192 source and destination are equal and have no side-effects.
9194 2006-04-17 Richard Guenther <rguenther@suse.de>
9197 * reload.c (push_reload): Guard calls to get_secondary_mem
9200 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9202 * alias.c (reg_base_value, old_reg_base_value): Change the
9203 type to VEC(rtx,gc) *.
9204 (REG_BASE_VALUE, find_base_value, record_set,
9205 init_alias_analysis): Use VEC instead of VARRAY.
9207 * alias.c (alias_sets): Change the type to
9208 VEC(alias_set_entry,gc) *.
9209 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9210 VEC instead of VARRAY.
9211 (last_alias_set): Remove.
9213 * cgraph.h (cgraph_edge_p): New.
9214 Update the prototype of cgraph_function_versioning.
9215 * cgraphunit.c (cgraph_copy_node_for_versioning,
9216 cgraph_function_versioning): Use VEC instead of VARRAY.
9217 * ipa-cp.c (ipcp_insert_stage): Likewise.
9219 2006-04-16 Roger Sayle <roger@eyesopen.com>
9222 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9223 "A op B" or "A op C", we may need to convert A to the type of B and C.
9225 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9227 * target.h (struct gcc_target): Add mode_rep_extended.
9228 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9229 (init_num_sign_bit_copies_in_rep): Initialize it using
9231 (truncate_to_mode): Use it.
9232 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9233 * targhooks.h (default_mode_rep_extended): Declare it.
9234 * targhooks.c (default_mode_rep_extended): Define it.
9235 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9236 default_mode_rep_extended.
9237 (TARGET_INITIALIZER): Include it.
9238 * doc/tm.texi (Misc): Document it.
9239 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9240 (mips_truncated_to_mode): New function.
9242 2006-04-16 Roger Sayle <roger@eyesopen.com>
9245 * expr.c (compress_float_constant): Copy the narrow constant into
9246 a new pseudo before extending it to its final width.
9248 2006-04-16 Roger Sayle <roger@eyesopen.com>
9249 Andrew Pinski <pinskia@gcc.gnu.org>
9250 Dale Johannesen <dalej@apple.com>
9253 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9254 special case code to implement V8HImode and V16QImode with SSE2.
9256 2006-04-15 Roger Sayle <roger@eyesopen.com>
9258 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9259 trees are constructed with a suitable tree type.
9261 2006-04-15 Roger Sayle <roger@eyesopen.com>
9263 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9264 (integer_onep): Likewise.
9265 (integer_all_onesp): Likewise.
9266 (integer_pow2p): Likewise.
9267 (integer_nonzerop): Likewise.
9268 (real_zerop): Likewise.
9269 (real_onep): Likewise.
9270 (real_twop): Likewise.
9271 (real_minus_onep): Likewise.
9272 (int_size_in_bytes): Likewise.
9273 (host_integerp): Likewise.
9275 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9277 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9278 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9279 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9281 * tree-ssa-structalias.h (alias_info): Remove num_references.
9283 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9285 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9286 (output_bvb patterns): Likewise.
9287 * pa.c (output_bb): Use 'bb' insn for long branch case.
9288 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9289 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9290 1. Correct length operand for alternatives 1 and 2.
9291 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9292 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9294 2006-04-14 Roger Sayle <roger@eyesopen.com>
9296 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9297 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9298 were accidentally reverted by r112959.
9300 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9303 * except.h (eh_region_outermost): New prototype.
9304 * except.c (eh_region_outermost): New function.
9305 * tree-cfg.c (find_outermost_region_in_block): Use it.
9307 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9309 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9311 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9312 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9313 (init_reload, reload): Use VEC instead of VARRAY.
9314 * reload.h: Update the prototype for
9315 reg_equiv_memory_loc_varray.
9317 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9318 Eric Botcazou <ebotcazou@libertysurf.fr>
9320 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9323 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9326 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9327 to expand fallback builtin function call.
9329 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9332 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9333 and emit libcall here in case the builtin fails.
9334 (expand_builtin_strcmp): Always emit the libcall here on failure.
9336 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9338 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9339 * flow.c (reg_n_info): Change the type to
9340 VEC(reg_info_p,heap) *.
9341 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9343 * regs.h (reg_info_p): New.
9344 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9345 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9346 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9349 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9351 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9353 * params.h (MAX_SCHED_READY_INSNS): New macro.
9354 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9355 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9356 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9357 the ready list for 1 cycle during the first scheduling pass.
9358 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9360 2006-04-13 Richard Henderson <rth@redhat.com>
9363 * gimple-low.c (lower_omp_directive): Remove dead code.
9364 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9365 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9366 * omp-low.c (struct omp_region): Move to tree-flow.h.
9367 (root_omp_region): Export.
9368 (omp_regions, lookup_omp_region): Remove.
9369 (determine_parallel_type): Update for struct omp_region changes.
9370 (dump_omp_region): Dump regions with block numbers.
9371 (new_omp_region): Take type and block instead of stmt; malloc
9373 (free_omp_region_1, free_omp_regions): New.
9374 (expand_parallel_call): Take entry_stmt as argument; update for
9375 changes to omp_region.
9376 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9377 (remove_exit_barriers): New.
9378 (expand_omp_parallel): Update for struct omp_region changes.
9379 (expand_omp_synch): Likewise.
9380 (expand_omp): Likewise.
9381 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9382 (expand_omp_for_static_chunk): Likewise.
9383 (expand_omp_for): Likewise.
9384 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9385 (expand_omp_sections): Similarly, with GOMP_sections_end.
9386 (expand_omp_single): New.
9387 (build_omp_regions_1): Update for OMP_CONTINUE.
9388 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9389 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9390 OMP_SECTIONS_SECTIONS.
9391 (lower_omp_single_simple): Don't emit barrier here.
9392 (lower_omp_single_copy): Likewise.
9393 (lower_omp_single): Fix bindings, and lower to straightline now.
9394 (lower_omp_master, lower_omp_ordered): Likewise.
9395 (lower_omp_critical): Likewise.
9396 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9397 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9398 omp edges, free it afterward.
9399 (make_omp_sections_edges): Remove.
9400 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9401 (move_stmt_r): Handle OMP_CONTINUE.
9402 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9403 statement pointers to basic blocks. Add type member.
9404 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9405 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9406 * tree-inline.c (estimate_num_insns_1): Likewise.
9407 * tree-pretty-print.c (dump_generic_node): Likewise.
9408 * tree-ssa-operands.c (get_expr_operands): Likewise.
9409 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9410 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9411 (OMP_CONTINUE): New.
9412 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9413 (OMP_SECTIONS_SECTIONS): Remove.
9414 (OMP_SECTION_LAST): New.
9415 (OMP_RETURN_NOWAIT): New.
9417 2006-04-13 Roger Sayle <roger@eyesopen.com>
9419 * fold-const.c (native_encode_vector, native_interpret_real):
9420 Correct obvious mistakes in the previous check-in.
9422 2006-04-13 Roger Sayle <roger@eyesopen.com>
9424 * fold-const.c (native_encode_expr): New function to encode
9425 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9426 or VECTOR_CST into a specified buffer.
9427 (native_encode_int): New function.
9428 (native_encode_real): New function.
9429 (native_encode_complex): New function.
9430 (native_encode_vector): New function.
9431 (native_interpret_expr): Inverse of native_encode_expr to convert
9432 a target representation into an INTEGER_CST, REAL_CST etc...
9433 (native_interpret_int): New function.
9434 (native_interpret_real): New function.
9435 (native_interpret_complex): New function.
9436 (native_interpret_vector): New function.
9437 (fold_view_convert_expr): New function to constant fold/evaluate
9438 a VIEW_CONVERT_EXPR of a suitable constant expression.
9439 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9440 Change call of build1 to fold_build1 when constructing a
9443 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9444 Ulrich Weigand <uweigand@de.ibm.com>
9447 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9450 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9453 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9454 optimize to lo_sum for DFmode if !TARGET_FPRS.
9456 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9458 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9459 delete_alias_info, compute_flow_sensitive_aliasing,
9460 group_aliases): Use VEC instead of VARRAY.
9461 * tree-ssa-structalias.c (update_alias_info): Likewise.
9462 * tree-ssa-structalias.h (alias_info): Change the type of
9463 processed_ptrs to VEC(tree,heap) *.
9465 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9468 * config/sh/lib1funcs.h: New file, broken out of:
9469 * config/sh/lib1funcs.asm.
9470 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9472 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9473 * config/sh/lib1funcs-Os-4-200.asm: New file.
9474 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9475 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9476 (EXTRA_MULTILIB_PARTS): Include it.
9477 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9478 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9479 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9480 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9483 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9485 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9486 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9487 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9489 * tree-ssa-live.h: Include vecprim.h.
9490 (tree_partition_associator_d): Change the type of
9491 first_partition to VEC(int,heap) *.
9492 (tpa_first_partition): Use VEC instead of VARRAY.
9494 * Makefile.in (GTFILES): Move functions.h after tree.h.
9495 * function.c (reset_block_changes, record_block_change,
9496 check_block_change, free_block_changes): Use VEC instead of
9498 * function.h (function): Change the type of
9499 ib_boundaries_block to VEC(tree,gc) *.
9500 * tree-inline.c (copy_cfg_body): Initialize
9501 ib_boundaries_block to NULL instead of (varray_type) 0.
9503 2006-04-12 Roger Sayle <roger@eyesopen.com>
9505 * expr.c (emit_group_store): Correct operand order in call to
9506 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9507 a SUBREG_BYTE of zero.
9509 2006-04-12 Richard Guenther <rguenther@suse.de>
9511 * profile.c (compute_branch_probabilities): Remove code
9512 encapsulated in !ir_type (), which are remanents of the
9513 removed RTL profiling code.
9514 * rtl-profile.c: Remove.
9516 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9518 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9519 magic NULL_RTX comment.
9520 (function_arg): Store entire fp arg to mem if any part should go
9522 (rs6000_arg_partial_bytes): Adjust for above change.
9524 2006-04-11 Roger Sayle <roger@eyesopen.com>
9526 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9527 if it hasn't been initialized by dwarf2out_init.
9529 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9531 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9532 symbolic constants in branch patterns.
9534 2006-04-11 Roger Sayle <roger@eyesopen.com>
9536 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9538 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9540 PR rtl-optimization/27073
9541 * gcse.c (try_replace_reg): Revert last change. Continue to search
9542 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9545 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9547 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9548 aggregate types other than record and union types.
9549 (function_arg): Likewise.
9550 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9552 (function_value): In 64-bit mode, return objects that require it
9555 2006-04-11 Roger Sayle <roger@eyesopen.com>
9557 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9559 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9561 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9563 2006-04-03 Jeff Law <law@redhat.com>
9566 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9567 alias information too.
9569 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9571 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9573 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9576 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9577 (premark_used_types_helper): New.
9578 (premark_used_types): New.
9579 (gen_subprogram_die): Call premark_used_types.
9580 (prune_unused_types_walk): Do not prune perennial dies.
9581 * function.c (used_types_insert): New.
9582 * function.h (struct function): Add used_types_hash field.
9583 (used_types_insert): Add prototype.
9584 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9585 * c-parser.c (c_parser_cast_expression): Save casted types in used
9588 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9591 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9592 rs6000_explicit_options.float_gprs.
9594 2006-04-10 Roger Sayle <roger@eyesopen.com>
9596 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9597 from ix86_expand_vector_init_low_nonzero. Take an additional
9598 one_var argument indicating which element is non-zero. Support
9599 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9600 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9601 with one_var instead of ix86_expand_vector_init_low_nonzero.
9603 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9605 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9606 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9607 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9608 build/genextract.o): Depend on vecprim.h.
9609 * cfglayout.c, df-problems.c, function.c, genextract.c,
9610 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9611 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9615 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9617 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9618 Declare VECs of this type.
9619 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9620 (remove_children): Delete.
9621 (add_dwarf_attr): Use VEC routines.
9622 (add_AT_flag): Update for changes to add_dwarf_attr.
9623 (add_AT_int): Likewise.
9624 (add_AT_unsigned): Likewise.
9625 (add_AT_long_long): Likewise.
9626 (add_AT_vec): Likewise.
9627 (add_AT_string): Likewise.
9628 (add_AT_die_ref): Likewise.
9629 (add_AT_fde_ref): Likewise.
9630 (add_AT_loc): Likewise.
9631 (add_AT_loc_list): Likewise.
9632 (add_AT_addr): Likewise.
9633 (add_AT_lbl_id): Likewise.
9634 (add_AT_lineptr): Likewise.
9635 (add_AT_macptr): Likewise.
9636 (add_AT_offset): Likewise.
9637 (add_AT_range_list): Likewise.
9638 (get_AT): Use VEC_iterate.
9639 (remove_AT): Use VEC_ordered_remove.
9640 (free_die): Fold remove_children into here; have it use VEC_iterate.
9641 (print_die): Use VEC_iterate on attrs.
9642 (reverse_die_lists): Don't reverse attr lists.
9643 (die_checksum): Use VEC_iterate on attrs.
9644 (same_die_p): Likewise.
9645 (output_location_lists): Likewise.
9646 (build_abbrev_table): Likewise.
9647 (size_of_die): Likewise.
9648 (unmark_all_dies): Likewise.
9649 (output_abbrev_section): Likewise.
9650 (output_die): Likewise.
9651 (prune_unused_types_walk_attribs): Likewise.
9653 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9655 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9657 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9660 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9662 2006-04-09 Roger Sayle <roger@eyesopen.com>
9664 * expr.c (store_constructor): Don't bother clearing target if
9665 we're about to assign a vector to it using vec_init_optab.
9667 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9669 * tree-ssa-alias.c (lhs_may_store_to): New function.
9670 (recalculate_used_alone): Handle LHS of calls.
9672 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9676 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9677 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9678 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9679 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9680 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9681 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9682 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9683 stubs. Add ".align 8" directives before all ".dword" directives.
9684 (GTHREAD_USE_WEAK): Revise comment.
9685 (TARGET_ATTRIBUTE_WEAK): Define.
9686 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9687 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9688 * stublib.c: New file.
9693 * pa.md (cbranch patterns): Revise arguments used in calls to
9694 output_cbranch, output_bb and output_bvd. Add long branch length
9696 (fbranch patterns): Handle long branches.
9697 (jump): Revise length check. Revise arguments for output_lbranch call.
9698 Add long branch length attributes.
9699 (decrement_and_branch_until_zero): Add long branch length attributes.
9700 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9701 Likewise. Revise arguments for output_parallel_addb and
9702 output_parallel_movb calls.
9703 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9704 output_parallel_movb and output_parallel_addb): Update prototypes.
9705 * pa.c (output_cbranch): Revise arguments. Correct handling of
9706 nullification in long branches.
9707 (output_lbranch): Add new argument to control extraction of delay
9709 (output_bb): Handle long branches.
9710 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9711 output_parallel_addb): Likewise.
9713 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9715 PR rtl-optimization/27073
9716 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9719 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9721 * tree.h (tree_memory_tag): Add old_used_alone.
9722 (SMT_OLD_USED_ALONE): New macro.
9723 * tree-ssa-alias.c (recalculate_used_alone): Stop
9724 marking things for renaming unnecessarily.
9726 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9728 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9729 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9730 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9731 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9732 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9733 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9734 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9735 spelling convensions.
9736 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9737 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9738 typos. Follow spelling conventions.
9740 2006-04-07 DJ Delorie <dj@redhat.com>
9742 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9743 passed on the stack.
9744 (m32c_init_cumulative_args): When a function returns a structure,
9745 always pass the pointer to that return area on the stack.
9746 (m32c_function_arg_advance): Don't increment the parameter number
9747 if we're processing the returned structure pointer.
9748 (pushm_info): Reverse order of registers.
9750 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9752 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9753 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9754 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9755 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9757 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9758 chrec_fold_multiply): Same.
9759 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9760 force_expr_to_var_cost): Same.
9761 * tree-mudflap.c (mf_xform_derefs_1): Same.
9762 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9764 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9766 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9767 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9770 2006-04-07 Jan Hubicka <jh@suse.cz>
9772 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9774 2006-04-07 Richard Guenther <rguenther@suse.de>
9776 PR tree-optimization/26135
9777 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9778 loads for store copy-prop.
9779 (copy_prop_visit_stmt): Likewise.
9781 2006-04-05 Robert Millan <robertmh@gnu.org>
9783 * config/i386/linux.h: Add a comment to mark macros that are
9784 being overriden in config/k*bsd-gnu.h.
9785 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9787 * config/knetbsd-gnu.h: Ditto.
9789 2006-04-06 Jan Hubicka <jh@suse.cz>
9793 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9796 2006-04-06 Mike Stump <mrs@apple.com>
9798 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9799 for HAVE_nonlocal_goto to be consistent.
9800 (expand_builtin_nonlocal_goto): Likewise.
9801 (expand_builtin_strcmp): Use #ifdef instead of #if
9802 for HAVE_cmpstrnsi to be consistent.
9804 2006-04-05 DJ Delorie <dj@redhat.com>
9806 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9809 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9811 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9812 got-relative addressing for anything but SImode.
9814 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9815 even if the calling function doesn't modify them.
9817 2006-04-05 Richard Guenther <rguenther@suse.de>
9819 PR tree-optimization/26919
9820 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9821 to cgraph_estimate_size_after_inlining.
9823 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9825 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9827 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9829 PR tree-optimization/26996
9830 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9831 VECTOR_TYPE variables.
9833 2006-04-05 Richard Guenther <rguenther@suse.de>
9835 PR tree-optimization/26763
9836 * fold-const.c (fold_comparison): Move folding of
9837 PTR + CST CMP PTR + CST ...
9838 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9840 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9842 * doc/install.texi (Prerequisites): Refine some wording on
9843 bootstrapping and ksh.
9844 Move the version numbers of DejaGnu here from the testing section
9845 and fix casing of names.
9846 Fix markup and clarify wording for autogen requirements.
9847 Refer to GCJ instead of just java.
9848 Refer to SVN instead of CVS.
9849 Describe diffutils as useful instead of necessary.
9850 (Downloading the source): Refer to SVN instead of CVS.
9851 Adjust a link to our web site accordingly.
9852 (Configuration): Fix casing of Bison.
9853 (Building): Refer to SVN instead of CVS.
9854 Fix a sentence on the use of Bison and remove duplicate (and
9855 incorrect) version number of Bison requirement.
9856 Remove one redundant list of packages needed for building.
9857 (Specific): Avoid reference to CVS.
9859 2006-04-04 Eric Christopher <echristo@apple.com>
9861 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9862 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9863 (rs6000_handle_struct_attribute): New.
9864 (rs6000_ms_bitfield_layout_p): Ditto.
9866 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9868 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9869 NULL for dso parameter to atexit_common.
9871 2006-04-04 Eric Christopher <echristo@apple.com>
9873 * config/i386/i386.c (machopic_output_stub): Output \t
9874 between instructions and operands.
9876 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9878 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9879 satisfies_constraint_[IL] to explicit tests on value.
9881 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9883 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9884 set_nb_iterations_in_loop): Use build_int_cst instead of
9886 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9887 build_int_cst instead of convert.
9889 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9891 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9892 new value 2 for incoming.
9893 * function.c (expand_function_start): Call struct_value_rtx
9895 * config/sparc/sparc.md: Comment updated_return.
9896 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9897 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9898 struct return if sparc_std_struct_return and incoming is 2.
9899 (print_operand): Do not adjust return if
9900 sparc_std_struct_return.
9902 2006-04-04 Roger Sayle <roger@eyesopen.com>
9904 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9905 convert in the middle-end.
9906 * expr.c (store_expr, store_constructor, get_inner_reference,
9907 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9909 * tree.c (build_range_type): Likewise.
9911 2006-04-04 Tom Tromey <tromey@redhat.com>
9913 * doc/install.texi (Prerequisites): Mention jar.
9915 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9917 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9920 2006-04-04 Matthias Klose <doko@debian.org>
9922 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9926 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9929 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9931 * doc/extend.texi (Function Attributes): Rewrite visibility
9932 attribute documentation.
9933 * doc/invoke.texi (C++ Dialect Options): Rewrite
9934 -fvisibility-inlines-hidden documentation to describe something
9935 entirely different, although in practise compatible.
9936 (Code Gen Options): Warn about system headers in -fvisibility=
9939 * doc/extend.texi (Other Builtins): Document that
9940 __builtin_nan is a compile-time constant only when its argument
9943 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9945 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9946 trying to remove TRUNCATE check if all bits outside the new mode
9947 are identical to the sign bit.
9949 2006-04-03 Jeff Law <law@redhat.com>
9951 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9952 and operand scanning in some common cases.
9954 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9955 Dale Johannesen <dalej@apple.com>
9958 * regclass.c (struct reg_pref): Update documentation.
9959 (regclass): Set prefclass to NO_REGS if memory is the best option.
9960 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9961 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9962 into account. For non-registers, equate an empty preferred
9963 reload class to a `!' in the constraint; move the if clause to
9964 do so after those that reject the insn.
9965 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9967 (find_dummy_reload): Likewise.
9968 * doc/tm.texi (Register Classes): Document what it means
9969 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9970 * config/i386/i386.c (ix86_preferred_reload_class): Force
9971 using SSE registers (and return NO_REGS for floating-point
9972 constants) if math is done with SSE.
9973 (ix86_preferred_output_reload_class): New.
9974 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9975 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9976 * config/i386/i386.md: Remove # register preferences.
9978 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9981 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9982 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9983 the type of nb_iter.
9984 (instantiate_parameters_1): Convert the operands before calling
9985 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9986 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9988 2006-04-02 Roger Sayle <roger@eyesopen.com>
9990 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9991 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9993 * dojump.c (do_jump): Likewise.
9994 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9995 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9996 gimplify_boolean_expr): Likewise.
9997 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9998 * varasm.c (array_size_for_constructor): Likewise.
9999 * tree-object-size.c (compute_object_offset): Likewise.
10001 2006-04-02 Roger Sayle <roger@eyesopen.com>
10003 PR middle-end/26977
10004 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10005 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10007 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10009 PR tree-optimization/26939
10010 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10012 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10014 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10015 at_stmt. Convert the type of operands before calling
10016 build_polynomial_chrec.
10017 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10018 add_to_evolution_1.
10019 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10020 (instantiate_parameters_1): Convert the type of operands before calling
10021 build_polynomial_chrec.
10022 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10023 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10024 reset_evolution_in_loop): Insert asserts to check the types of the
10026 (chrec_type): Moved...
10027 (eq_evolutions_p): Use operand_equal_p.
10028 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10029 the types of the operands.
10030 (chrec_type): ...here.
10031 * tree-data-ref.c (create_data_ref): Convert the operands before
10032 calling chrec_replace_initial_condition.
10033 (same_access_functions, analyze_subscript_affine_affine,
10034 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10035 (compute_subscript_distance, analyze_ziv_subscript,
10036 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10037 analyze_miv_subscript): Convert the operands before calling
10038 chrec_fold_minus or chrec_fold_plus.
10040 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10042 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10043 the dependence_relations vector.
10044 (compute_data_dependences_for_loop): Adjust call to
10045 compute_all_dependences.
10047 2006-04-01 Roger Sayle <roger@eyesopen.com>
10048 Richard Henderson <rth@redhat.com>
10050 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10051 gimple_boolify on the condition before calling gimplify_expr.
10053 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10055 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10056 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10057 the frame size. Update to use the new macros.
10058 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10059 * config/xtensa/ieee754-df.S: Likewise.
10061 2006-03-31 Richard Henderson <rth@redhat.com>
10063 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10064 (make_edges): ... here. Control fallthru creation with a local
10065 variable. Do not play with fake edges.
10066 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10067 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10070 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10072 * dwarf2.h (DW64_CIE_ID): Define.
10073 * dwarf2out.c (DWARF_CIE_ID): Define.
10074 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10075 length header. Use DWARF_CIE_ID.
10076 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10077 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10079 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10081 * config/sh/linux-atomic.asm: New file.
10082 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10084 2006-03-31 DJ Delorie <dj@redhat.com>
10086 * config/m32c/cond.md: Set condition flags properly throughout.
10087 * config/m32c/minmax.md: Likewise.
10088 * config/m32c/prologue.md: Likewise.
10089 * config/m32c/bitops.md: Likewise.
10090 * config/m32c/muldiv.md: Likewise.
10091 * config/m32c/mov.md: Likewise.
10092 * config/m32c/addsub.md: Likewise.
10093 * config/m32c/m32c.md: Likewise.
10094 * config/m32c/jump.md: Likewise.
10095 * config/m32c/shift.md: Likewise.
10097 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10098 conditionally output the pattern for this.
10099 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10100 (m32c_compare_redundant): New.
10101 (m32c_output_compare): New.
10102 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10104 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10105 dest, not src. Allow other 4-byte modes.
10107 2006-03-30 Denis Chertykov <denisc@overta.ru>
10109 * doc/md.texi: Refer to avr/constraints.md instead of
10112 2006-03-30 Roger Sayle <roger@eyesopen.com>
10114 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10115 signed vs. unsigned comparison failures on some hosts.
10117 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10120 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10121 change to FLOAT_REGS.
10123 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10124 (rs6000_override_options): Use it.
10125 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10126 only for -mabi=spe/no-spe and -mabi=altivec.
10128 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10130 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10133 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10135 * Makefile.in: Rename docdir to gcc_docdir.
10137 2006-03-30 Roger Sayle <roger@eyesopen.com>
10140 * expr.c (emit_group_store): Optimize group stores into a pseudo
10141 register by using a paradoxical subreg to initialize the destination
10142 if the first or last member of the group specifies a "low part".
10144 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10147 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10148 * target.h (struct gcc_target.speculate_insn): Change type of the
10149 second parameter to 'int'.
10150 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10151 the second operand of the DEPS_LIST.
10152 (copy_DEPS_LIST_list): Update reference to the second operand of the
10154 * rtl.h (alloc_DEPS_LIST): Update signature.
10155 * sched-int.h (ds_t): Change typedef to 'int'.
10156 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10158 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10160 * haifa-sched.c (try_ready): Change condition to restore
10161 non-speculative pattern of the instruction.
10162 (process_insn_depend_be_in_spec): Code to keep probability of the
10163 speculative dependence non-decreasing.
10165 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10167 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10168 (single_move_for_movmem): ... this. Also change all uses.
10169 (bfin_expand_strmov): Renamed to...
10170 (bfin_expand_movmem): ... this. Also change all uses.
10171 * config/bfin/bfin.md (movstrsi): Renamed to...
10172 (movstrsi): ...this.
10174 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10176 PR tree-optimization/26830
10178 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10179 (copy_prop_visit_stmt): Remove write-only variable ann.
10180 (init_copy_prop): Check variable loop depth here. Do not simulate
10181 memory-tag and virtual operand PHIs except for store copy prop.
10183 2006-03-30 Richard Guenther <rguenther@suse.de>
10185 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10186 variants with double arguments.
10188 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10190 * genpreds.c (write_tm_constrs_h): Delete variable p.
10191 * genconditions.c (write_header): Add tm-constrs.h to included
10193 * genpeep.c (main): Add toplev.h to included headers.
10194 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10195 (build/genpeep.o): Add toplev.h dependency.
10196 * config/rs6000/constraints.md: Add "W" constraint.
10198 2006-03-29 Roger Sayle <roger@eyesopen.com>
10200 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10201 sizes by correctly testing whether the size fits a host integer.
10202 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10203 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10204 SImode range for the default sizetype and bitsizetype.
10206 2006-03-29 Roger Sayle <roger@eyesopen.com>
10208 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10209 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10210 quickly if the argument is already of the correct type.
10211 Call fold_build1 instead of build1. Tidy up blank lines.
10213 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10215 * genemit.c (main): Add tm-constrs.h to included headers.
10216 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10217 * genpeep.c (main): Add tm-constrs.h to included headers.
10218 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10219 (write_tm_constrs_h): this and write complete file.
10220 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10221 (write_insn_preds_c): Add tm-constrs.h to included headers.
10222 (gen_constrs): New variable.
10223 (parse_option): Parse "-c".
10224 (main): Invoke write_tm_constrs_h.
10225 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10226 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10227 (object_out_file): Add tm-constrs.h dependency.
10228 (insn-emit.o): Same.
10229 (insn-output.o): Same.
10230 (insn-peep.o): Same.
10231 (insn-preds.o): Same.
10232 (insn-recog.o): Same.
10233 (tm-constsr.h): New target.
10234 (s-constrs-h): New target.
10236 * config/rs6000/constraints.md: New file.
10237 * config/rs6000/rs6000.c: Include tm-constrs.h.
10238 (num_insn_constant_wide): Convert to satisfies_constraint.
10239 (rs6000_rtx_costs): Convert to satisfies_constraint.
10240 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10241 (CONST_OK_FOR_LETTER_P): Delete.
10242 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10243 (EXTRA_CONSTRAINT): Delete.
10244 (EXTRA_MEMORY_CONSTRAINT): Delete.
10245 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10246 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10247 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10248 satisfies_constraint.
10250 * config/i386/i386.c: Include tm-constrs.h.
10252 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10254 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10255 * tree-data-ref.c (find_data_references_in_loop,
10256 compute_data_dependences_for_loop): Use pointers to VEC.
10257 (analyze_all_data_dependences): Adjust calls.
10258 * tree-data-ref.h (find_data_references_in_loop,
10259 compute_data_dependences_for_loop): Adjust declarations.
10260 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10261 compute_data_dependences_for_loop.
10263 2006-03-29 Paul Brook <paul@codesourcery.com>
10265 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10266 (movdf_vfp): Ditto.
10268 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10270 PR tree-optimization/26859
10271 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10273 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10274 for the step after fold_convert.
10276 2006-03-29 Paul Brook <paul@codesourcery.com>
10278 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10279 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10281 2006-03-29 Paul Brook <paul@codesourcery.com>
10283 PR middle-end/23623
10284 * targhooks.c (default_narrow_bitfield): New fuction.
10285 * targhooks.h (default_narrow_bitfield): add prototype.
10286 * target.h (gcc_target): Add narrow_volatile_bitfield.
10287 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10288 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10289 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10290 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10292 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10294 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10296 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10297 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10298 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10299 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10300 (s390_function_arg_float): Allow SDmode and DDmode values to be
10301 passed in floating point registers.
10302 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10303 check with SCALAR_FLOAT_MODE_P.
10304 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10306 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10308 PR tree-optimization/25985
10309 * tree-ssa-loop-niter.c (number_of_iterations_le,
10310 number_of_iterations_ne): Make comments more precise.
10311 (number_of_iterations_cond): Add only_exit argument. Use the
10312 fact that signed variables do not overflow only when only_exit
10314 (loop_only_exit_p): New.
10315 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10316 number_of_iterations_cond.
10318 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10320 PR tree-optimization/26643
10321 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10324 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10326 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10327 (divsi3_i4_int): Likewise.
10329 2006-03-28 Roger Sayle <roger@eyesopen.com>
10331 * expr.c (emit_group_store): Only create a new pseudo reg if the
10332 quantity it needs to hold isn't already a suitable pseudo.
10334 2006-03-28 Jeff Law <law@redhat.com>
10336 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10337 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10339 2006-03-28 Roger Sayle <roger@eyesopen.com>
10341 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10342 the equivalent ~X & Y, and the symmetry related transformations.
10343 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10344 ~X & Y, and symmetry related transforms.
10346 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10348 Revert my 2006-03-27 patches.
10350 2006-03-28 Roger Sayle <roger@eyesopen.com>
10352 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10353 ~(T1)X, when T1 and T2 are integer types of the same precision
10354 and (T2)X isn't an extension.
10356 2006-03-28 Jeff Law <law@redhat.com>
10358 PR tree-optimization/26796
10359 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10360 need EH edge cleanups rather than purging them immediately.
10361 (eliminate_degenerate_phis): Handle queued EH cleanups.
10363 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10365 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10368 2006-03-27 Roger Sayle <roger@eyesopen.com>
10370 PR middle-end/22524
10371 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10372 cast BIT_NOT_EXPR operand to the correct type.
10374 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10376 * tree-loop-linear.c: Don't include varray.h.
10377 (gather_interchange_stats, try_interchange_loops,
10378 linear_transform_loops): Use VEC instead of VARRAY.
10379 * lambda-mat.c: Don't include varray.h.
10380 * tree-chrec.c: Same.
10381 * lambda-trans.c: Same.
10382 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10383 VEC instead of VARRAY.
10384 * tree-vectorizer.h: Idem.
10385 * tree-data-ref.c (dump_data_references,
10386 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10387 initialize_data_dependence_relation, finalize_ddr_dependent,
10388 compute_all_dependences, find_data_references_in_loop,
10389 compute_data_dependences_for_loop, analyze_all_data_dependences,
10390 free_dependence_relation, free_dependence_relations,
10391 free_data_refs): Idem.
10392 * tree-data-ref.h (data_reference_p, subscript_p): New.
10393 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10394 VEC instead of VARRAY.
10395 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10396 (find_data_references_in_loop, compute_data_dependences_for_loop,
10397 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10398 dump_data_dependence_relations, free_dependence_relations,
10399 free_data_refs): Adjust declaration.
10400 (lambda_transform_legal_p): Move declaration here...
10401 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10402 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10403 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10404 vect_analyze_data_refs): Use VEC instead of VARRAY.
10405 * lambda.h (lambda_transform_legal_p): ...from here.
10406 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10407 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10408 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10409 tree-chrec.o): Don't depend on VARRAY_H.
10411 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10413 * rtl.def (Copyright): Update date.
10414 (DEPS_LIST): Change type of the second operand to 'int'.
10415 * target.h (Copyright): Update date.
10416 (struct gcc_target.speculate_insn): Change type of the second parameter
10418 * lists.c (Copyright): Update date.
10419 (alloc_DEPS_LIST): Change signature. Update reference to the second
10420 operand of the DEPS_LIST.
10421 (copy_DEPS_LIST_list): Update reference to the second operand of the
10423 * rtl.h (Copyright): Update date.
10424 (alloc_DEPS_LIST): Update signature.
10425 * sched-int.h (Copyright): Update date.
10426 (ds_t): Change typedef to 'int'.
10427 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10429 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10431 * haifa-sched.c (Copyright): Update date.
10432 (try_ready): Change condition to restore non-speculative pattern
10433 of the instruction.
10434 (process_insn_depend_be_in_spec): Code to keep probability of the
10435 speculative dependence non-decreasing.
10437 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10439 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10440 shut up the compiler.
10442 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10444 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10445 to use lib prefix for target.
10446 ($(T)libic_invalidate_array_4-200.a): Likewise.
10447 ($(T)libic_invalidate_array_4a.a): Likewise.
10449 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10450 J"orn Rennecke <joern.rennecke@st.com>
10452 * superh.opt: New file.
10453 * sh.c (boardtype, osruntime): Remove.
10454 * superh.h (SUBTARGET_OPTIONS): Remove.
10455 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10457 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10458 arguments with ^ and/or [].
10460 * config.gcc (sh-*-*): Add quoting to account for quirk of
10462 Replace == with = in enable_incomplete_targets test.
10464 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10465 with MASK_LITTLE_ENDIAN.
10467 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10468 * config/sh/sh.opt: Added to some comments.
10469 * config/sh/superh.h: Removed some chaff.
10471 * config/sh/sh.opt: Add m4-[1234]00* options.
10472 * config/sh/sh.c (sh_handle_option): Likewise.
10473 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10474 (ic_invalidate_array_4-100.o): New rule.
10475 ($(T)libic_invalidate_array_4-100.a): Likewise.
10476 (ic_invalidate_array_4-200.o): Likewise.
10477 ($(T)libic_invalidate_array_4-200.a): Likewise.
10478 (ic_invalidate_array_4a.o): Likewise.
10479 ($(T)libic_invalidate_array_4a.a): Likewise.
10480 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10481 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10483 * config/sh/crt1.asm: Merged in profiling code.
10484 * config/sh/superh.h (STARTFILE_SPEC): Override.
10485 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10486 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10487 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10489 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10490 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10491 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10493 * sh.opt (mpretend-cmove): New option.
10494 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10495 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10496 (movsicc): Add TARGET_PRETEND_CMOVE code.
10498 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10500 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10501 s390_class_max_nregs): New function prototypes.
10502 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10503 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10504 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10505 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10507 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10509 * dwarf2out.c (add_location_or_const_value_attribute): Call
10510 tree_add_const_value_attribute if nothing else works.
10511 (reference_to_unused): New.
10512 (rtl_for_decl_init): Use reference_to_unused to decide whether
10513 to output an initializer.
10515 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10518 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10519 peephole removing spe frob_di_df_2.
10521 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10523 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10524 (subscript_dependence_tester_1): Declared.
10525 (print_dir_vectors, print_dist_vectors): New.
10526 (debug_data_dependence_relation): New.
10527 (dump_data_dependence_relation): Print more details.
10528 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10529 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10530 (save_dist_v, save_dir_v, add_outer_distances,
10531 build_classic_dist_vector_1): New.
10532 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10533 Don't test for lambda_vector_lexico_pos.
10534 (same_access_functions, add_multivariate_self_dist,
10535 add_other_self_distances, dir_from_dist): New.
10536 (build_classic_dir_vector): Replace implementation almost identical to
10537 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10539 (subscript_dependence_tester_1): New.
10540 (subscript_dependence_tester): Handle the lexicographically negative
10541 distance vectors by recomputing the dependence relation.
10542 (compute_affine_dependence): Remove parameter loop_nest_depth.
10543 (compute_self_dependence): Don't call compute_subscript_distance.
10544 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10545 Add a parameter for the loop_nest.
10546 (find_loop_nest_1, find_loop_nest): New.
10547 (compute_data_dependences_for_loop): Compute the loop nest, and give
10548 up if the nest is not well formed.
10549 * tree-data-ref.h (loop_p): New.
10550 (struct data_dependence_relation): Replace size_vect field with
10551 loop_nest, a vec of loops.
10552 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10553 (DDR_LOOP_NEST): New.
10554 (print_dir_vectors, print_dist_vectors,
10555 debug_data_dependence_relation): Declared.
10556 (index_in_loop_nest): New.
10557 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10558 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10561 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10563 * simplify-rtx.c (simplify_relational_operation): Call
10564 simplify_relational_operation_1 even if mode is VOIDmode.
10566 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10568 PR tree-optimization/26804
10569 * tree.h (DECL_CALL_CLOBBERED): New macro.
10570 (tree_decl_common): Add call_clobbered_flag.
10571 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10572 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10573 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10574 (mark_non_addressable): Ditto.
10575 * tree-ssa.c (verify_call_clobbered): New function.
10576 (verify_alias_info): Use it.
10577 * tree-pass.h (pass_reset_cc_flags): New prototype.
10578 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10579 (reset_cc_flags): New function.
10580 * passes.c (init_optimization_passes): Call reset_cc_flags after
10581 initializing referenced_vars.
10583 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10584 Roger Sayle <roger@eyesopen.com>
10586 PR middle-end/26717
10587 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10588 to 1.0 for non-real operands. Implement A / A optimization for
10591 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10593 * config/i386/i386.c (size_cost): Correct the comment for
10594 cost of storing fp registers.
10595 (i386_cost): Likewise.
10596 (i486_cost): Likewise.
10597 (pentium_cost): Likewise.
10598 (pentiumpro_cost): Likewise.
10599 (k6_cost): Likewise.
10600 (athlon_cost): Likewise.
10601 (k8_cost): Likewise.
10602 (pentium4_cost): Likewise.
10603 (nocona_cost): Likewise.
10604 (generic64_cost): Likewise.
10605 (generic32_cost): Likewise.
10607 2006-03-24 Denis Chertykov <denisc@overta.ru>
10609 * config/avr/avr-protos.h (extra_constraint): Delete.
10610 (extra_constraint_Q): New declaration.
10611 * config/avr/constraints.md: New file.
10612 * config/avr/avr.md: Include it.
10613 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10614 (TMP_REGNO, ZERO_REGNO): Likewise.
10615 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10616 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10617 (extra_constraint): Delete.
10618 (extra_constraint_Q): Test for memory constraint 'Q'.
10619 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10620 (REG_CLASS_FROM_LETTER): Delete.
10621 (CONST_OK_FOR_LETTER_P): Delete.
10622 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10623 (EXTRA_CONSTRAINT): Delete.
10624 (TMP_REGNO): Delete.
10625 (ZERO_REGNO): Delete.
10627 2006-03-24 Jeff Law <law@redhat.com>
10629 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10630 directly. Call mark_new_vars_to_rename slightly earlier.
10632 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10634 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10635 (is_cxx): Likewise.
10636 (gen_compile_unit_die): Use new language types for Objective-C and
10638 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10639 DW_LANG_C_plus_plus.
10642 * config/t-darwin (crt3.o): Work around bug 26840.
10643 * config/darwin-crt3.c: Rewrite.
10644 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10646 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10648 * doc/invoke.texi: Document -femit-class-debug-always
10649 * common.opt: Add -femit-class-debug-always.
10651 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10653 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10654 index and base register.
10655 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10656 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10657 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10658 REGNO_OK_FOR_INDEX_P.
10659 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10661 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10662 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10663 REG_OK_FOR_BASE_P): Definitions removed.
10665 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10667 PR middle-end/26611
10668 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10669 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10670 set yet or weren't marked as local yet.
10672 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10674 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10677 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10679 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10680 (rs6000_legitimate_small_data_p): Delete.
10681 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10682 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10683 and make static. Add forward declaration. Update uses.
10684 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10685 of offsettable_memref_p.
10686 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10687 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10689 2006-03-24 Jeff Law <law@redhat.com>
10691 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10692 around bug in immediate-use iterator.
10694 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10697 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10698 or __LITTLE_ENDIAN__.
10700 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10702 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10703 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10704 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10705 * config/sh/sh.opt (mdiv=): Amend description.
10706 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10707 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10708 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10709 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10710 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10711 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10712 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10713 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10714 TARGET_DIVIDE_CALL_FP.
10716 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10718 * haifa-sched.c (choose_ready): Fix type of the local variable.
10719 Move local variables. Add comment.
10720 (check_reg_live): Change signature. Make callable from debugger.
10721 * sched-int.h (check_reg_live): Update signature.
10722 * sched-ebb.c (check_reg_live): Update parameters.
10723 * sched-rgn.c (check_reg_live): Ditto.
10724 (region_head_or_leaf_p): Check pointer before dereferencing.
10725 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10726 before reload on optimization levels below 1.
10728 2006-03-23 Richard Henderson <rth@redhat.com>
10730 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10734 * config/alpha/predicates.md (local_symbolic_operand): Reject
10737 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10740 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10741 expressions which have overflowed constants.
10743 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10745 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10747 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10749 * cfgloopmanip.c (create_loop_notes): Removed.
10750 * final.c (final_scan_insn): Do not handle loop notes.
10751 * jump.c (squeeze_notes): Ditto.
10752 * cfglayout.c (skip_insns_after_block,
10753 duplicate_insn_chain): Ditto.
10754 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10756 * cfgloop.h (create_loop_notes): Declaration removed.
10758 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10760 * varasm.c (output_constant_pool): Restore fnname and fndecl
10762 (assemble_start_function): Adjust call accordingly.
10763 (assemble_end_function): Likewise.
10765 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10768 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10771 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10773 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10776 * system.h (ICE_EXIT_CODE): New macro.
10777 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10778 (diagnostic_action_after_output): Likewise.
10779 * gcc.c (fatal_ice): New function.
10780 (execute): Use it instead of fatal.
10781 (fancy_abort): Likewise.
10782 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10784 2006-03-22 Jeff Law <law@redhat.com>
10786 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10787 iv_analyze_result returning false.
10789 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10791 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10793 2006-03-22 Richard Henderson <rth@redhat.com>
10795 PR middle-end/26084
10796 * except.c (duplicate_eh_regions_0): New.
10797 (duplicate_eh_region_1): Duplicate the children of the node as
10798 well as the node itself. Link them up properly.
10799 (duplicate_eh_region_2): Merge into ...
10800 (duplicate_eh_regions): ... here. Take copy_region argument, and
10801 copy only a sub-tree if asked. Simplify copying and fixup.
10802 (eh_region_outer_p): New.
10803 * except.h (duplicate_eh_regions): Update decl.
10804 (eh_region_outer_p): Declare.
10805 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10806 (lower_omp_master): Likewise.
10807 (lower_omp_ordered): Likewise.
10808 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10809 (move_stmt_r): Use it to remap labels. Handle recursion vs
10810 remap_decls_p properly.
10811 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10812 (find_outermost_region_in_block): New.
10813 (new_label_mapper): New.
10814 (move_sese_region_to_fn): Copy eh information to the new function
10816 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10818 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10821 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10823 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10824 into shared libraries.
10826 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10828 * doc/md.texi: Refer to i386/constraints.md instead of
10829 i386/predicates.md.
10830 * config/i386/constraints.md: New file, extracted from...
10831 * config/i386/predicates.md: ...here.
10832 * config/i386/i386.md: Include constraints.md.
10834 2006-03-21 Jason Merrill <jason@redhat.com>
10836 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10838 PR middle-end/20297
10839 * expr.c (init_block_move_fn): Force default visibility.
10840 (init_block_clear_fn): Likewise.
10841 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10842 * targhooks.c (default_external_stack_protect_fail): Likewise.
10844 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10846 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10847 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10848 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10849 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10850 (loadgp): Use mips_current_loadgp_style.
10851 (loadgp_noshared): New pattern.
10852 (sibcall_internal): Use MIPS_CALL.
10853 (sibcall_value_internal): Likewise.
10854 (sibcall_value_multiple_internal): Likewise.
10855 (call_internal): Likewise.
10856 (call_value_internal): Likewise.
10857 (call_value_multiple_internal): Likewise.
10858 (call_split): Use MIPS_CALL and add an 'S' constraint.
10859 (call_value_split): Likewise.
10860 (call_value_multiple_split): Likewise.
10861 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10862 (-mshared): New option.
10863 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10864 (mips_current_loadgp_style): Declare.
10865 * config/mips/mips.c (mips_classify_symbol): Avoid using
10866 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10867 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10868 TARGET_ABSOLUTE_ABICALLS.
10869 (override_options): Adjust comments. Improve the warning that is
10870 issued when -mabicalls and -G are used together.
10871 (mips_file_start): Remove comment.
10872 (mips_current_loadgp_style): New function.
10873 (mips_gnu_local_gp): New variable.
10874 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10876 (mips_output_function_prologue): Use mips_current_laodgp_style.
10877 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10878 the cprestore instruction.
10879 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10880 live for TARGET_ABSOLUTE_ABICALLS.
10881 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10882 (ASM_SPEC): Pass down -mshared and -mno-shared.
10883 (MIPS_CALL): New macro.
10884 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10886 * doc/invoke.texi (-mabicalls): Update documentation.
10887 (-mshared): Document.
10889 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10891 * config/ia64/unwind-hpux.c: New file.
10892 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10894 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10897 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10899 2006-03-21 Jeff Law <law@redhat.com>
10901 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10902 type conversions of a VR_VARYING source to a wider type.
10904 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10906 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10907 tm_file on Solaris 10 and later.
10908 (sparc64-*-solaris2*): Likewise.
10909 (sparc-*-solaris2*): Likewise.
10910 * config/sol26.h: Rename to config/sol2-6.h.
10911 * config/sol2-10.h: New file.
10913 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10916 * tree-ssa-pre.c (create_component_ref_by_pieces):
10919 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10922 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10923 return it immediately.
10925 2006-03-21 Michael Matz <matz@suse.de>
10927 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10929 (remove_arc, add_arc): Update num_out_arcs member.
10930 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10932 (cache_presence): New function.
10933 (compare_states_for_equiv): New function.
10934 (state_is_differed): Don't take number of outargs, adjust callers.
10935 Use new invariant for speeding up.
10936 (init_equiv_class): Create initial classes based on sorted
10938 (partition_equiv_class): Don't track out_arcs_num.
10939 (evaluate_equiv_classes): Call cache_presence on all states and
10942 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10944 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10945 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10946 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10947 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10949 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10950 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10951 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10952 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10953 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10955 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10956 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10957 (REGNO_REG_CLASS): ARGP is in PREGS.
10958 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10960 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10961 to deal with those addresses.
10962 * addresses.h: New file.
10963 * caller-save.c: Include "addresses.h".
10964 (init_caller_save): Use new base_reg_class function.
10965 * rtl-factoring.c: Include "addresses.h".
10966 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10967 * recog.c: Include "addresses.h".
10968 (preprocess_constraints): Use new base_reg_class function.
10969 * regrename.c: Include "addresses.h".
10970 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10971 functions. Keep track of a new var INDEX_CODE to compute valid
10973 (replace_oldest_value_addr): Likewise.
10974 (replace_oldest_value_mem): Use base_reg_class.
10975 * reload.c: Include "addresses.h".
10976 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10977 (find_reloads): Use new base_reg_class function.
10978 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10979 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10980 all callers and prototype changed.
10981 * reload1.c: Include "addresses.h".
10982 (maybe_fix_stack_asms): Use base_reg_class.
10983 * regclass.c: Include "addresses.h".
10984 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10985 (init_reg_autoinc): Use new base_reg_class function.
10986 (record_reg_classes): Likewise.
10987 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10988 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10989 Use new args to compute necessary class.
10991 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10992 regrename.o, rtl-factoring.o): Update dependencies.
10993 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10994 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10995 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10996 REG_OK_FOR_INDEX_P): Delete documentation.
10998 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11000 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11001 from V7 to V9 for Solaris 7 and above.
11003 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11005 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11006 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11007 argument pointers may not alias any other storage.
11008 * common.opt: Define option -fargument-noalias-anything.
11009 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11010 alias semantics is specified by flag_argument_noalias > 2.
11012 2006-03-20 Jeff Law <law@redhat.com>
11014 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11015 (pass_phi_only_cprop): Declare.
11016 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11017 with phi_only_cprop
11018 * tree-ssa-dom.c (degenerate_phi_result): New function.
11019 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11020 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11021 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11022 (eliminate_degenerate_phis): Likewise.
11023 (pass_phi_only_cprop): New pass descriptor.
11024 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11025 support code. Callers updated.
11026 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11027 (store_copy_prop): Likewise.
11028 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11030 2006-03-20 Jason Merrill <jason@redhat.com>
11033 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11034 (push_visibility, pop_visibility): Likewise.
11035 * c-pragma.h: Declare them.
11037 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11039 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11041 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11042 parameter and use get_ebb_head_tail.
11043 (sh_md_init_global): Adjust uses of find_regmode_weight.
11045 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11047 * function.h (struct function) <x_tail_recursion_reentry>:
11048 Rename to x_stack_check_probe_note.
11049 (tail_recursion_reentry): Rename to stack_check_probe_note.
11050 * function.c: Replace tail_recursion_reentry with
11051 stack_check_probe_note everywhere.
11052 (expand_function_start): Only emit a note for
11053 stack_check_probe_note with -fstack-protect.
11054 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11056 * emit-rtl.c (remove_unnecessary_notes): Remove.
11057 (pass_remove_unnecessary_notes): Remove.
11058 * rtl.h (remove_unnecessary_notes): Remove prototype.
11059 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11060 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11061 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11063 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11066 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11067 (valid_in_set): Handle ARRAY_REF.
11068 Change "if min_variant or VH" to asserts.
11069 (create_component_ref_by_pieces): Handle ARRAY_REF.
11070 (create_expression_by_pieces): Likewise.
11071 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11073 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11075 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11076 is operand of switch, not str[0].
11078 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11080 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11081 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11083 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11085 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11086 end of insn_extra_address_constraint declaration.
11088 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11090 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11091 (no-sum-in-toc): Same.
11092 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11094 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11095 NO_FP_IN_TOC for -fPIC instead of mask.
11097 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11098 (BOOT_LDFLAGS): Delete.
11100 * config/rs6000/t-aix52: Same.
11102 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11103 (stmsi[345678]_power): New.
11105 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11107 * config/ia64/ia64.opt: Add empty line to end of file.
11109 2006-03-17 Richard Guenther <rguenther@suse.de>
11111 PR middle-end/26721
11112 * builtins.c (get_pointer_alignment): For component style references
11113 adjust alignment to the component type alignment. Make sure
11114 to adjust alignment for component access of constants.
11116 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11118 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11119 unconditional jump.
11121 2006-03-17 Paul Brook <paul@codesourcery.com>
11123 * doc/install.texi: Docuemnt --with-mode.
11124 * config.gcc: Add --with-mode for arm*-*-*.
11125 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11127 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11129 * sh.c (max_labelno_before_reorg): New variable.
11130 (sh_reorg): Initialize it.
11131 (find_barrier): Check max_labelno_before_reorg before using
11132 label_to_alignment. Take length of explicit alignment insns
11133 into account. When seeing a UNSPECV_CONST_END, return it.
11135 * sh.c (fixup_mova): Set mode of affected label to QImode.
11136 (untangle_mova): New function.
11137 (find_barrier): Use it. Check mode of label before decrementing
11139 (sh_reorg): Likewise.
11140 Set mode of all insns back to VOIDmode.
11142 * sh.c (MOVA_LABELREF): New macro.
11143 (mova_p, fixup_mova, sh_reorg): Use it.
11144 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11145 ADDR_DIFF_VEC matches mova.
11147 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11149 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11150 with ATTRIBUTE_UNUSED.
11152 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11154 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11155 pointer, instead of assuming it is possible to derive the
11156 correct args size from a call insn.
11158 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11160 * rtl.h (CONST_INT_P): Define.
11161 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11162 instead of GET_CODE(x) == CONST_INT.
11163 (vax_rtx_costs): Likewise.
11164 (vax_output_int_move): Likewise.
11165 (vax_output_int_add): Likewise.
11166 (legitimate_constant_address_p): Likewise.
11167 (index_term_p): Likewise.
11168 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11169 * config/vax/vax.md (and<mode>3): Likewise.
11170 (ashrsi3): Likewise.
11172 (movstricthi): Likewise.
11173 (movstrictqi): Likewise.
11174 (rotrsi3): Likewise.
11175 (five unnamed insns): Likewise.
11177 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11179 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11180 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11181 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11182 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11183 Pass to ASM_OUTPUT_DWARF_OFFSET.
11184 * dwarf2out.c (debug_frame_section): New.
11185 (output_call_frame_info): Use debug_frame_section. Pass it to
11186 dw2_asm_output_offset.
11187 (output_die): Pass appropriate section to dw2_asm_output_offset.
11188 (output_compilation_unit_header): Likewise.
11189 (output_pubnames): Likewise.
11190 (output_aranges): Likewise.
11191 (enum dw_val_class): Break dw_val_class_lbl_offset into
11192 dw_val_class_lineptr and dw_val_class_macptr.
11193 (add_AT_lbl_offset): Delete.
11194 (add_AT_lineptr): New.
11195 (add_AT_macptr): New.
11196 (AT_lbl): Expect a lineptr or macptr.
11197 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11198 (attr_checksum): Likewise.
11199 (same_dw_val_p): Likewise.
11200 (size_of_die): Likewise.
11201 (value_format): Likewise.
11202 (output_die): Likewise.
11203 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11205 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11206 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11207 * config/darwin-protos.h (darwin_file_start): New.
11208 (darwin_asm_output_dwarf_offset): New.
11209 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11210 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11212 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11213 if not EH section; simplify.
11214 (darwin_file_start): New.
11215 (darwin_asm_output_dwarf_offset): New.
11216 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11218 (DEBUG_INFO_SECTION): Likewise.
11219 (DEBUG_ABBREV_SECTION): Likewise.
11220 (DEBUG_ARANGES_SECTION): Likewise.
11221 (DEBUG_MACINFO_SECTION): Likewise.
11222 (DEBUG_LINE_SECTION): Likewise.
11223 (DEBUG_LOC_SECTION): Likewise.
11224 (DEBUG_PUBNAMES_SECTION): Likewise.
11225 (DEBUG_STR_SECTION): Likewise.
11226 (DEBUG_RANGES_SECTION): Likewise.
11227 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11228 (ASM_OUTPUT_DWARF_OFFSET): New.
11230 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11232 * config.gcc (tm_defines): Always add to previous value rather
11235 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11237 * config/mips/predicates.md (splittable_const_int_operand): New,
11238 split from move_operand.
11239 (splittable_symbolic_operand): New.
11240 (move_operand): Add commentary. Use splittable_const_int_operand.
11241 Inline mips_atomic_symbolic_constant_p.
11242 * config/mips/mips.md: Add combine splitters for handling moves
11243 of splittable_const_int_operands and splittable_symbolic_operands.
11244 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11245 (mips_split_symbol): Declare.
11246 (mips_move_integer): Declare.
11247 * config/mips/mips.c (mips_split_p): Make global.
11248 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11249 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11250 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11251 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11252 (mips_offset_within_object_p): Handle block symbols.
11253 (mips_atomic_symbolic_constant_p): Delete.
11254 (mips_cannot_force_const_mem): Return false for constants that
11255 mips_legitimize_move can handle.
11256 (mips_use_blocks_for_constant_p): New function.
11257 (mips_split_symbol): Make global.
11258 (mips_move_integer): Likewise. Add a temporary register argument.
11259 (mips_legitimize_const_move): Use splittable_const_int_operand and
11260 splittable_symbolic_operand.
11261 (mips_use_anchors_for_symbol_p): New function.
11262 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11263 (mips_split_p): Declare.
11265 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11267 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11268 (mips*-*-linux*): Likewise.
11270 2006-03-16 Roger Sayle <roger@eyesopen.com>
11271 Daniel Speyer <dspeyer@wam.umd.edu>
11273 PR middle-end/18259
11274 * tree-dump.c (dump_real): New function.
11275 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11276 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11277 (tree-dump.o): Add $(REAL_H) to the dependencies.
11279 2006-03-16 Roger Sayle <roger@eyesopen.com>
11281 PR middle-end/21781
11282 * real.c (real_from_string): If the mantissa is zero, don't bother
11283 parsing the exponent as the result should always be zero.
11285 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11287 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11289 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11291 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11292 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11293 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11294 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11295 ia64_sched_finish_global): New static functions to implement
11296 hooks from gcc_target.sched.
11297 (spec_check_no, max_uid, pending_data_specs): New static variables.
11298 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11299 ia64_spec_check_src_p): New static functions.
11300 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11301 (TARGET_SCHED_ADJUST_COST): Removed.
11302 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11303 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11304 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11305 TARGET_SCHED_GEN_CHECK,
11306 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11307 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11308 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11309 Fixed to handle speculation checks.
11310 (rtx_needs_barrier): Fixed to handle speculative loads and
11312 (ia64_variable_issue): Added code to count speculative loads and their
11314 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11316 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11318 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11320 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11321 (ia64_reorg): Reset stops_p to NULL after it is freed.
11322 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11323 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11324 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11326 (data_speculative, control_speculative, check_load): New attributes.
11327 (mov<mode>_advanced, mov<mode>_speculative,
11328 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11329 zero_extend<mode>di2_speculative,
11330 zero_extend<mode>di2_speculative_advanced): New patterns for
11331 data and control speculative loads.
11332 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11334 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11335 New pattern for data and control speculation checks.
11336 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11337 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11338 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11339 Auxiliary definitions for the patterns.
11340 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11341 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11343 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11345 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11346 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11347 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11348 New resource constraints.
11349 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11351 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11352 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11353 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11354 msched-in-control-spec, msched-ldc, msched-control-ldc,
11355 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11356 msched-prefer-non-control-spec-insns,
11357 msched-count-spec-in-critical-path): New flags to tune speculative
11359 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11360 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11361 msched-in-control-spec, msched-ldc, msched-control-ldc,
11362 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11363 msched-prefer-non-control-spec-insns,
11364 msched-count-spec-in-critical-path): Document new flags.
11366 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11368 * target.h (struct spec_info_def): New opaque declaration.
11369 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11370 speculate_insn, needs_block_p, gen_check,
11371 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11372 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11373 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11374 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11375 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11376 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11378 (TARGET_SCHED): Use new macros.
11379 * rtl.h (copy_DEPS_LIST_list): New prototype.
11380 * sched-int.h (struct sched_info): Change signature of new_ready field,
11381 adjust all initializations. New fields: add_remove_insn,
11382 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11383 region_head_or_leaf_p.
11384 (struct spec_info_def): New structure declaration.
11385 (spec_info_t): New typedef.
11386 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11387 recovery_block, orig_pat.
11388 (glat_start, glat_end): New variables declaraions.
11389 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11391 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11392 DETACH_LIFE_INFO, USE_GLAT.
11393 (enum SPEC_SCHED_FLAGS): New enumeration.
11394 (NOTE_NOTE_BB_P): New macro.
11395 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11396 attach_life_info, debug_spec_status, check_reg_live): New functions.
11397 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11398 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11400 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11401 * ddg.c (get_block_head_tail): Adjust all uses.
11402 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11403 (sms_sched_info): Initialize new fields.
11404 (contributes_to_priority): Removed.
11405 * haifa-sched.c (params.h): New include.
11406 (get_block_head_tail): Adjust all uses.
11407 (ISSUE_POINTS): New macro.
11408 (glat_start, glat_end): New global variables.
11409 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11410 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11411 old_last_basic_block, before_recovery, current_sched_info_var,
11412 rgn_n_insns, luid): New static variables.
11413 (insn_cost1): New function. Move logic from insn_cost to here.
11414 (find_insn_reg_weight1): New function. Move logic from
11415 find_insn_reg_weight to here.
11416 (reemit_notes, move_insn, max_issue): Change signature.
11417 (move_insn1): Removed.
11418 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11419 extend_bb): New static functions to support extension of scheduler's
11421 (generate_recovery_code, process_insn_depend_be_in_spec,
11422 begin_speculative_block, add_to_speculative_block,
11423 init_before_recovery, create_recovery_block, create_check_block_twin,
11424 fix_recovery_deps): New static functions to support
11425 generation of recovery code.
11426 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11427 restore_bb_notes, move_block_after_check, move_succs): New static
11428 functions to support ebb scheduling.
11429 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11430 functions to support handling of register live information.
11431 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11432 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11433 add_jump_dependencies): New static functions.
11434 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11435 consistancy checking.
11436 (debug_spec_status): New function to call from debugger.
11437 (priority): Added code to handle speculation checks.
11438 (rank_for_schedule): Added code to distinguish speculative instructions.
11439 (schedule_insn): Added code to handle speculation checks.
11440 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11441 Fixed to handle ebbs.
11442 (move_insn): Added code to handle ebb scheduling.
11443 (max_issue): Added code to use ISSUE_POINTS of instructions.
11444 (choose_ready): Added code to choose between speculative and
11445 non-speculative instructions.
11446 (schedule_block): Added code to handle ebb scheduling and scheduling of
11447 speculative instructions.
11448 (sched_init): Initialize new variables.
11449 (sched_finish): Free new variables. Print statistics.
11450 (try_ready): Added code to handle speculative instructions.
11451 * lists.c (copy_DEPS_LIST_list): New function.
11452 * sched-deps.c (extend_dependency_caches): New function. Move logic
11453 from create_dependency_caches to here.
11454 (get_dep_weak, ds_merge): Make global.
11455 * genattr.c (main): Code to output prototype for
11456 dfa_clear_single_insn_cache.
11457 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11458 (output_dfa_clean_insn_cache_func): Code to output
11459 dfa_clear_single_insn_cache function.
11460 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11462 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11464 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11465 New static variables.
11466 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11467 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11469 (ebb_sched_info): Initialize new fields.
11470 (get_block_head_tail): Adjust all uses.
11471 (compute_jump_reg_dependencies): Fixed to use glat_start.
11472 (schedule_ebb): Code to remove unreachable last block.
11473 (schedule_ebbs): Added code to update register live information.
11474 * sched-rgn.c (region_sched_info): Initialize new fields.
11475 (get_block_head_tail): Adjust all uses.
11476 (last_was_jump): Removed. Adjust users.
11477 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11478 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11479 Implement new hooks.
11480 (check_dead_notes1): New static function.
11481 (struct region): New fields: dont_calc_deps, has_real_ebb.
11482 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11483 (BB_TO_BLOCK): Fixed to handle EBBs.
11484 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11485 (ebb_head): New static variable.
11486 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11487 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11489 (compute_dom_prob_ps): New assertion.
11490 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11491 global_live_at_start.
11492 (init_ready_list): New assertions.
11493 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11494 (new_ready): Add support for BEGIN_CONTROL speculation.
11495 (schedule_insns): Fixed code that updates register live information
11497 (schedule_region): Fixed to handle EBBs.
11498 (init_regions): Use extend_regions and check_dead_notes1.
11499 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11500 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11501 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11502 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11503 TARGET_SCHED_GEN_CHECK,
11504 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11505 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11506 * doc/invoke.texi (max-sched-insn-conflict-delay,
11507 sched-spec-prob-cutoff): Document.
11509 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11511 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11512 inter_tick, queue_index.
11513 (struct sched_info): Change signature of init_ready_list field.
11514 Adjust all initializations.
11515 (RESOLVED_DEPS): New access macro.
11516 (ready_add): Remove prototype.
11517 (try_ready): Add prototype.
11518 * sched-rgn.c (init_ready_list): Use try_ready.
11519 (schedule_region): Initialize
11520 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11521 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11522 (init_ready_list): Use try_ready.
11523 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11524 * lists.c (remove_list_elem): Remove `static'.
11525 (remove_free_INSN_LIST_elem): New function.
11526 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11527 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11528 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11530 (readyp): New variable.
11531 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11532 change_queue_index, resolve_dep): New static functions.
11533 (try_ready): New function. Adjust callers in sched-rgn.c and
11534 sched-ebb.c to use it instead of ready_add.
11535 (clock_var): Move at the begining of file.
11536 (rank_for_schedule): Fix typo.
11537 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11538 (ready_lastpos): Enforce assertion.
11539 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11540 update all callers.
11541 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11542 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11543 (queue_to_ready): Use free_INSN_LIST_list.
11544 (early_queue_to_ready): Fix typo.
11545 (schedule_block): Init readyp. Move init_ready_list call after the
11546 initialization of clock_var. Fix error in rejecting insn by
11547 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11548 that previously corrected INSN_TICKs. Add code for handling
11550 (set_priorities): Fix typo.
11551 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11552 Clarify comment and code that keeps current_sched_info->next_tail
11555 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11557 * sched-rgn.c (extend_rgns): New static function.
11558 (find_rgns): Use it.
11559 (gather_region_statistics, print_region_statistics): New static
11561 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11562 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11564 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11565 Andrey Belevantsev <abel@ispras.ru>
11567 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11568 * lists.c (unused_deps_list): New variable.
11569 (free_list): Add assertions to verify the proper distinguishing
11570 between INSN_LISTs and DEPS_LISTs.
11571 (find_list_elem, remove_list_elem, remove_list_node): New static
11573 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11574 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11575 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11576 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11578 (free_INSN_LIST_node): Likewise.
11579 * modulo-sched.c (current_sched_info): Initialize flags field.
11580 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11581 * rtl.def (DEPS_LIST): Define.
11582 * rtl.h: Declare new functions from lists.c.
11583 * sched-deps.c (spec_dependency_cache): New static variable.
11584 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11585 (add_dependence): Change return type to void. Move the logic to ...
11586 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11587 (delete_all_dependences): Add comment about forward_dependency_cache.
11588 Handle spec_dependency_cache. Handle DEPS_LISTs.
11589 (fixup_sched_groups): Clarify the change of priority of output
11590 and anti dependencies.
11591 (sched_analyze_2): Adjust add_dependence calls to create data
11592 speculative dependence.
11593 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11594 Adjust all callers. Handle DEPS_LISTS.
11595 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11596 presence of speculation.
11597 (init_dependency_caches, free_dependency_caches):
11598 Handle spec_dependency_cache.
11599 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11600 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11601 New static functions.
11602 (add_or_update_back_dep, add_or_update_back_forw_dep,
11603 add_back_forw_dep, delete_back_forw_dep): New functions.
11604 * sched-int.h (ds_t, dw_t): New typedefs.
11605 (struct sched_info): Add new field flags.
11606 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11607 Prototype new sched-deps.c functions.
11608 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11609 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11610 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11611 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11612 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11613 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11615 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11617 * sched-rgn.c (current_sched_info): Initialize flags field.
11618 (schedule_insns): Initialize current_sched_info before the sched_init
11620 * sched-ebb.c (current_sched_info): Initialize flags field.
11621 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11622 Call add_or_update_back_dep instead of add_dependence.
11623 Create control speculative dependencies.
11624 (schedule_insns): Initialize current_sched_info before the sched_init
11627 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11629 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11631 (sh_fallback_frame_state): Likewise.
11633 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11635 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11636 Do switch on default_use_cxa_atexit.
11637 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11638 * config/darwin-crt3.o: New.
11639 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11640 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11641 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11643 * config/rs6000/t-darwin: Move crt2.o building to here.
11644 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11645 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11648 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11650 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11651 from '! xxx' to '!xxx' for coding-style conformance.
11652 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11653 (EXTRA_CONSTRAINT): Likewise.
11654 * config/vax/vax.md (four unnamed insns): Likewise.
11656 2006-03-15 Paul Brook <paul@codesourcery.com>
11658 * config/arm/arm.c (minipool_pad): New.
11659 (add_minipool_forward_ref): Include pool alignment padding in address
11661 (push_minipool_fix): Set minipool_pad.
11662 (minipool_pad): Ditto.
11664 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11666 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11667 instead of GET_CODE() == MEM and REG_P() instead of
11669 (print_operand_address): Likewise.
11670 (vax_address_cost): Likewise.
11671 (vax_rtx_costs): Likewise.
11672 (vax_notice_update_cc): Likewise.
11673 (vax_output_int_add): Likewise.
11674 (INDEX_REGISTER_P): Likewise.
11675 (BASE_REGISTER_P): Likewise.
11676 (nonindexed_address_p): Likewise.
11677 (vax_mode_dependent_address_p): Likewise.
11678 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11679 (PRINT_OPERAND): Likewise.
11680 * config/vax/vax.md (ashlsi3): Likewise.
11681 (ashlsi3): Likewise.
11682 (some more unnamed insns): Likewise.
11684 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11686 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11687 iterator-style macro.
11688 (mark_control_dependent_edges_necessary): Update the use of
11689 EXECUTE_IF_CONTROL_DEPENDENT.
11691 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11693 * config/sh/predicates.md (cache_address_operand): Special.
11694 (ua_address_operand): Likewise.
11696 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11698 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11700 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11702 2006-03-15 Andreas Schwab <schwab@suse.de>
11704 * gensupport.c (identify_predicable_attribute): Don't free p_false
11705 when it is still in use.
11707 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11709 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11710 the default setting here.
11712 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11714 * tree-pass.h (pass_cfg): Remove.
11715 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11716 * passes.c (pass_cfg): Don't run it.
11718 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11720 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11721 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11723 (stack_regs_mentioned): Update the uses of
11724 stack_regs_mentioned_data. Don't access the array beyond its
11726 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11727 Don't include gt-reg-stack.h.
11729 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11730 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11732 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11734 PR middle-end/26684
11735 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11738 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11740 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11742 2006-03-14 Richard Guenther <rguenther@suse.de>
11744 PR tree-optimization/26672
11745 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11748 2006-03-14 Richard Guenther <rguenther@suse.de>
11750 PR tree-optimization/26667
11751 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11752 node for the callees. Always allow inlining if it will shrink
11755 2006-03-14 Richard Guenther <rguenther@suse.de>
11757 PR middle-end/26659
11758 * builtins.c (get_pointer_alignment): Prefer alignment
11759 information from decls over that from types.
11761 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11764 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11766 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11768 * config/rs6000/rs6000.opt (mdlmzb): New option.
11769 (msched-prolog, msched-epilog): Use Var not Mask.
11770 * doc/invoke.texi (-mdlmzb): Document.
11771 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11773 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11774 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11776 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11778 PR rtl-optimization/25739
11779 * bt-load.c (augment_live_range): Free tos pointer.
11781 * gensupport.c (identify_predicable_attribute): Free
11783 * gcov.c (create_file_names): Free name pointer.
11785 2006-03-13 Roger Sayle <roger@eyesopen.com>
11787 PR middle-end/26557
11788 * stmt.c (emit_case_nodes): Handle the case where the index is a
11789 CONST_INT, where the comparison mode is specified by the index type.
11791 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11793 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11796 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11798 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11799 (*branch_fp_inverted): Likewise.
11801 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11803 PR middle-end/25989
11804 * omp-low.c (expand_omp_for_generic): Mark istart0
11805 and iend0 as addressable.
11807 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11809 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11811 2006-03-13 Jeff Law <law@redhat.com>
11813 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11814 virtual operands are interesting.
11815 (vrp_visit_stmt): Corresponding changes.
11817 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11819 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11821 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11822 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11823 * config/bfin/crti.S: Use it instead of __PIC__.
11824 * config/bfin/crtn.S: Likewise.
11826 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11827 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11829 Lose 'G' modifier for call operand.
11830 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11831 recognize 'G' modifier.
11833 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11835 PR middle-end/18859
11836 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11837 * stmt.c (expand_case): Likewise.
11839 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11841 PR rtl-optimization/26254
11842 * loop-invariant.c (seq_insns_valid_p): New function.
11843 (move_invariant_reg): Only emit new code if it is valid.
11845 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11847 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11849 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11850 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11851 (commit_one_edge_insertion): Do not look for loop notes.
11853 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11855 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11856 flag_test_coverage out of loop.
11858 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11860 * final.c (shorten_branches): Remove outdated comment, and turn
11861 the if branch that guards it to continue.
11863 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11865 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11866 * cfgloop.h (struct loop): Remove unused fields.
11868 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11870 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11871 (-dL, -fdump-rtl-loop2): Update the dump file names
11873 * doc/invoke.texi: Update dump file names.
11875 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11877 * predict.c (estimate_probability): Remove.
11878 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11879 * basic-block.h (estimate_probability): Remove prototype.
11880 * passes.c (finish_optimization_passes): Dump branch prediction or
11881 profiling heuristics to the .profile tree dump.
11882 (init_optimization_passes): Unqueue pass_branch_prob.
11884 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11886 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11888 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11889 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11891 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11893 * function.h (frame_offset_overflow): Declare.
11894 * function.c (frame_offset_overflow): New function.
11895 (assign_stack_local_1): Call it to detect that the offset overflows.
11896 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11898 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11900 * config/sh/sh.c: Include alloc-pool.h.
11901 (label_ref_list_pool): New alloc pool.
11902 (label_ref_list_t): New type for lists of labels.
11903 (struct pool_node): Make wend a label_ref_list_t.
11904 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11906 (dump_table): Likewise.
11907 (sh_reorg): Set up the alloc pool before using add_constant and
11908 dump_table, and destroy it when finishing.
11910 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11912 * config/mips/mips.c: Remove redundant comment.
11914 2006-03-10 Jason Merrill <jason@redhat.com>
11917 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11918 the target was declared 'register'.
11920 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11922 * genpreds.c (write_insn_constraint_len): Change definition of
11923 insn_constraint_len to return size_t to match the declaration.
11925 2006-03-10 DJ Delorie <dj@redhat.com>
11927 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11929 (m32c_expand_insv): Fix test for an AND mask.
11931 2006-03-10 Richard Guenther <rguenther@suse.de>
11933 PR middle-end/26565
11934 * builtins.c (get_pointer_alignment): Handle component
11935 references for field alignment.
11937 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11939 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11940 when building with libgloss.
11941 (sh*elf): Implement --without-fp option.
11942 (sh64-superh-linux*): Don't multilib.
11944 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11946 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11948 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11950 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11951 Set it when one of the replacement functions returned true.
11952 Return TODO_cleanup_cfg if cfgchanged is true.
11953 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11955 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11957 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11958 instead of gen_lowpart.
11960 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11962 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11964 (mips_output_order_conditional_branch): Declare.
11965 * config/mips/mips.h (MIPS_BRANCH): New macro.
11966 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11967 for the comparison. Use gen_condjump.
11968 (mips_output_conditional_branch): Rework interface to take the
11969 asm templates for a direct branch and the inverse of a direct branch.
11970 (mips_output_order_conditional_branch): New function.
11971 (mips_builtin_branch_and_move): New function.
11972 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11973 branch condition. Use gen_single_cc as the condition for
11974 __builtin_mips_upper_* or __builtin_mips_lower_*.
11975 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11976 Use VOIDmode for the branch condition.
11977 * config/mips/predicates.md (order_operator): New predicate.
11978 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11979 (branch_fp): Rename to...
11980 (*branch_fp): ...this. Remove mode from comparison operator.
11981 Use new mips_output_conditional_branch interface.
11982 (branch_fp_inverted): Rename to...
11983 (*branch_fp_inverted): ...this and update as for *branch_fp.
11984 (*branch_zero<mode>): Rename to...
11985 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11986 Use mips_output_order_conditional_branch. Only accept ordered
11988 (*branch_zero<mode>_inverted): Rename to...
11989 (*branch_order<mode>_inverted): ...this and update as for
11990 *branch_order<mode>.
11991 (*branch_equality<mode>): Accept zero as the second operand to
11992 the equality operator. Use the new mips_output_conditional_branch
11994 (*branch_equality<mode>_inverted): Likewise.
11995 (condjump): New expander.
11996 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11998 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11999 (bc1any2t, bc1any2f): Likewise.
12000 (single_cc): New expander.
12001 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12003 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12005 * doc/md.texi: Update documentation of MIPS constraints.
12006 * config/mips/constraints.md: New file.
12007 * config/mips/mips.md: Include it.
12008 * config/mips/mips.c (mips_char_to_class): Delete.
12009 (override_options): Don't initialize mips_char_to_class.
12010 * config/mips/mips.h (mips_char_to_class): Delete.
12011 (REG_CLASS_FROM_LETTER): Delete.
12012 (CONST_OK_FOR_LETTER_P): Delete.
12013 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12014 (EXTRA_CONSTRAINT_Y): Delete.
12015 (EXTRA_CONSTRAINT_STR): Delete.
12016 (CONSTRAINT_LEN): Delete.
12017 (EXTRA_MEMORY_CONSTRAINT): Delete.
12019 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12021 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12022 original fn's eh regions.
12024 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12026 * fold-const.c (build_range_check): Make sure to use a valid type to
12027 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12030 (range_predecessor): New static function.
12031 (range_successor): Likewise.
12032 (merge_ranges): Use them to compute predecessors and successors of
12035 2006-03-09 Roger Sayle <roger@eyesopen.com>
12037 PR middle-end/26561
12038 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12039 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12041 2006-03-08 DJ Delorie <dj@redhat.com>
12043 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12044 (addpsi3): Expand to include memory operands. Remove
12045 reload-specific splits.
12046 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12047 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12048 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12049 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12050 (shift1_qi, shift1_hi, insv): New.
12051 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12052 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12053 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12055 * config/m32c/m32c-protos.h: Update as needed.
12056 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12057 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12058 Fail for unrecognized R* constraints.
12059 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12060 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12061 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12063 (m32c_init_libfuncs): New.
12064 (m32c_legitimate_address_p): Add debug wrapper.
12065 (m32c_rtx_costs): New.
12066 (m32c_address_cost): New.
12067 (conversions): Add 'B' prefix.
12068 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12069 operands, or word regnames for QI operands. 'B' prints bit
12071 (m32c_expand_setmemhi): New.
12072 (m32c_expand_movmemhi): New.
12073 (m32c_expand_movstr): New.
12074 (m32c_expand_cmpstr): New.
12075 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12076 (m32c_expand_neg_mulpsi3): Handle non-ints.
12077 (m32c_cmp_flg_0): New.
12078 (m32c_expand_movcc): New.
12079 (m32c_expand_insv): New.
12080 (m32c_scc_pattern): New.
12081 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12082 a0/a1 out of SIregs.
12083 (STORE_FLAG_VALUE): New.
12084 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12087 * config/m32c/mov.md: Make constraints more liberal.
12088 (zero_extendqihi2): Optimize r0/r1 case.
12089 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12090 * config/m32c/predicates.md (m32c_any_operand): New.
12091 (m32c_nonimmediate_operand): New.
12092 (m32c_hl_operand): New.
12093 (m32c_r3_operand): New.
12096 (memsym_operand): New.
12097 (memimmed_operand): New.
12098 (a_qi_operand): New.
12099 (m32c_eqne_operator): New.
12100 (m32c_1bit8_operand): New.
12101 (m32c_1bit16_operand): New.
12102 (m32c_1mask8_operand): New.
12103 (m32c_1mask16_operand): New.
12104 * config/m32c/blkmov.md: New file.
12105 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12107 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12109 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12110 unsigned to fix signed/unsigned comparison issue in
12111 DWARF2_FRAME_REG_OUT.
12112 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12113 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12115 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12116 of ptr into the ENABLE_CHECKING section.
12118 2006-03-08 Jeff Law <law@redhat.com>
12120 * tree-vrp.c (infer_value_range): Only count pointer uses
12121 and dereferences if -fdelete-null-pointer-checks is enabled.
12123 * tree-vrp.c (find_assert_locations): Infer value ranges for
12124 single use pointers, but do not create ASSERT_EXPRs for them.
12125 When a non-null range is inferred for a pointer, backwards
12126 propagate that range to other equivalent pointers through the
12129 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12132 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12133 language hook targets.
12134 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12135 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12136 if language hook targets were missing.
12138 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12140 * tree-ssa-opfinalize.h: Removed.
12141 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12143 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12144 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12145 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12146 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12147 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12148 finalize_ssa_v_must_def_ops): New.
12150 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12152 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12153 block as parameter.
12155 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12157 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12159 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12160 addresses with offsets; reorganize.
12162 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12163 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12164 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12166 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12169 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12171 2006-03-08 Ben Elliston <bje@au.ibm.com>
12173 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12175 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12178 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12181 2006-03-07 Richard Guenther <rguenther@suse.de>
12183 PR tree-optimization/26587
12184 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12186 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12188 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12190 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12192 * hooks.c (hook_bool_mode_rtx_true): New function.
12193 * hooks.h (hook_bool_mode_rtx_true): Declare.
12194 * toplev.c (compile_file): Call output_shared_constant_pool.
12195 * varasm.c (shared_constant_pool): New variable.
12196 (assemble_start_function, assemble_end_function): Remove arguments
12197 from call to output_constant_pool.
12198 (create_constant_pool): New function, split out from...
12199 (init_varasm_status): ...here.
12200 (force_const_mem): Choose between the shared and per-function constant
12201 pools. Set current_function_uses_const_pool when reusing old entries
12202 as well as when creating new ones.
12203 (mark_constant): Ignore data argument.
12204 (mark_constants): Remove pool argument.
12205 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12206 to decide whether the function uses a constant pool.
12207 (output_constant_pool_contents): New function, split out from...
12208 (output_constant_pool): ...here.
12209 (output_shared_constant_pool): New function.
12210 (init_varasm_once): Initialize shared_constant_pool.
12211 * output.h (output_constant_pool): Delete.
12212 (output_shared_constant_pool): Declare.
12213 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12214 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12216 2006-03-06 Nick Clifton <nickc@redhat.com>
12218 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12219 flag_strength_reduce.
12221 2006-03-06 Ben Elliston <bje@au.ibm.com>
12223 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12224 x86_64-*-linux* configurations.
12226 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12227 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12229 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12231 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12233 * basic-block.h: Remove the extern for
12234 rediscover_loops_after_threading.
12236 * cfgloop.c (cancel_loop): Make it static.
12237 * cfgloop.h: Remove the prototype for cancel_loop.
12239 * flow.c (recompute_reg_usage): Make it static.
12240 * rtl.h: Remove the prototype for recompute_reg_usage.
12242 * function.c (use_return_register): Make it static.
12243 * function.h: Remove the prototype.
12245 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12247 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12249 * recog.h: Remove the prototype for
12250 validate_change_maybe_volatile.
12252 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12254 * rtlanal.c (replace_reg): Remove.
12255 * rtl.h: Remove the prototype for replace_reg.
12257 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12259 * regclass.c (reg_scan_update): Remove.
12260 (reg_scan_mark_refs): Remove the last argument.
12261 * rtl.h: Remove the prototype for reg_scan_update.
12263 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12265 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12266 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12267 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12268 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12269 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12270 loop-invariant.c, omp-low.c, opts.c, passes.c,
12271 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12272 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12273 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12274 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12275 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12276 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12278 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12280 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12281 * dwarf2out.h: Remove the prototype for
12282 dwarf2out_add_library_unit_info.
12284 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12286 * tree.c (add_var_to_bind_expr): Remove.
12287 * tree.h: Remove the prototype for add_var_to_bind_expr.
12289 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12291 * regclass.c (n_non_fixed_regs): Remove.
12292 (init_reg_sets_1, globalize_reg): Remove all uses of
12294 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12296 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12298 * rtlanal.c (insns_safe_to_move_p): Remove.
12299 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12301 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12303 * expmed.c (expand_mult_add): Remove.
12304 * expr.h: Remove the prototype for expand_mult_add.
12306 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12308 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12309 and REG_SAVED_VAL_EXP constants.
12310 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12311 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12312 Handle regs stored by value.
12313 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12314 (execute_cfa_program): Handle DW_CFA_val_offset,
12315 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12316 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12317 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12318 (uw_install_context_1): Handle target regs stored by value.
12320 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12322 * tree-sra.c (tree_sra): Return todoflags;
12323 (generate_one_element): Set TODO_update_smt_usage if needed.
12324 (pass_sra): Remove TODO_update_smt_usage.
12325 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12327 (tree_ssa_forward_propagate_single_use_vars): Return
12328 TODO_update_smt_usage if we need to update SMT usage.
12329 (pass_forwprop): Remove TODO_update_smt_usage.
12331 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12333 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12334 (correct_use_link): Remove reference to get_stmt_operands.
12335 (update_stmt_operands): Likewise.
12336 (get_modify_expr_operands): New function factored out of
12337 parse_ssa_operands and get_expr_operands.
12338 Try to create V_MUST_DEFs for LHS by default.
12339 (get_expr_operands) <case MODIFY_EXPR>: Call
12340 get_modify_expr_operands.
12341 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12342 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12343 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12344 get_modify_expr_operands.
12346 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12348 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12349 * tree-flow.h: Remove the prototype for
12350 referenced_var_lookup_if_exists.
12352 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12354 PR rtl-optimization/26345
12356 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12358 2006-03-03 Roger Sayle <roger@eyesopen.com>
12360 PR tree-optimization/26524
12361 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12362 fold_convert to create a constant of the appropriate type.
12364 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12366 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12367 SYMBOL_REF_IN_BLOCK_P.
12368 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12369 of SYMBOL_FLAG_IN_BLOCK.
12370 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12371 instead of SYMBOL_REF_IN_BLOCK_P.
12372 * explow.c (use_anchored_address): Likewise.
12373 * rtl.c (rtx_size): Likewise.
12374 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12375 instead of SYMBOL_FLAG_IN_BLOCK.
12376 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12377 SYMBOL_REF_IN_BLOCK_P.
12378 (assemble_variable): Likewise.
12379 (output_constant_def_contents): Likewise.
12380 (output_constant_pool): Likewise.
12381 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12382 instead of SYMBOL_FLAG_IN_BLOCK.
12383 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12384 SYMBOL_REF_IN_BLOCK_P.
12385 (SYMBOL_REF_BLOCK): Likewise.
12386 (SYMBOL_REF_OFFSET): Likewise.
12387 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12388 SYMBOL_REF_IN_BLOCK_P.
12389 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12390 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12391 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12392 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12394 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12396 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12398 2006-03-02 Roger Sayle <roger@eyesopen.com>
12400 * simplify-rtx.c (simplify_unary_operation): When simplifying
12401 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12402 that we perform the right shift in the appropriate mode, and
12403 then extend or truncate the result to requested mode.
12405 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12407 * gengtype.c (main): Handle double_int type.
12408 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12409 * double-int.c: New file.
12410 * double-int.h: New file.
12411 * system.h: Include doubleint.h.
12412 * Makefile.in (SYSTEM_H): Include double-int.h.
12413 (double-int.o): Add.
12415 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12418 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12421 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12423 * tree-vrp.c (remove_range_assertions): Do not update statements
12426 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12428 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12430 * gcse.c (rest_of_handle_gcse): Ditto.
12431 * except.c (gate_handle_eh): Ditto.
12432 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12433 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12435 2006-03-02 Eric Christopher <echristo@apple.com>
12437 * config/i386/i386.c (machopic_output_stub): Add indirection to
12440 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12444 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12446 Sun Niagara specific optimizations.
12447 * config.gcc: Recognize niagara as target.
12448 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12449 (TARGET_CPU_niagara): Define.
12450 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12451 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12452 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12453 (ASM_CPU_SPEC): Likewise.
12454 (PROCESSOR_NIAGARA): New enum entry.
12455 (REGISTER_MOVE_COST): Handle Niagara.
12456 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12457 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12458 (sparc_override_options): Recognize "niagara", set appropriate
12459 default MASK_* values for it, and align functions to 32-bytes
12460 by default just like ULTRASPARC/ULTRASPARC3.
12461 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12462 (sparc64_initialize_trampoline): Likewise.
12463 (sparc_use_sched_lookahead): Use zero for niagara.
12464 (sparc_issue_rate): Use one for niagara.
12465 * config/sparc/niagara.md: New file.
12466 * config/sparc/sparc.md: Include it.
12467 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12468 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12469 when default cpu is niagara.
12470 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12471 (ASM_CPU_SPEC): Likewise.
12472 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12473 when default cpu is niagara.
12474 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12475 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12476 just like v9/ultrasparc/ultrasparc3.
12477 * doc/invoke.texi: Add documentation for "niagara" and improve
12478 existing documentation for ultrasparc variants.
12480 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12482 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12484 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12486 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12487 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12488 and say that only one is needed.
12489 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12490 * target.h (have_switchable_bss_sections): New hook.
12491 * explow.c (use_anchored_address): Check that the symbol is in a block.
12492 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12493 (bss_noswitch_section): New variables.
12494 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12495 (get_noswitch_section): New function.
12496 (get_block_for_section): Allow SECT to be null.
12497 (unlikely_text_section_p): Use SECTION_STYLE.
12498 (bss_initializer_p): New function.
12499 (get_variable_section): Move earlier in file. Take a new argument,
12500 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12501 Return one of the new *_sections in such cases.
12502 (get_block_for_decl): New function, extracting some logic from
12503 use_blocks_for_decl_p.
12504 (change_symbol_section): Remove in favor of...
12505 (change_symbol_block): ...this new function.
12506 (use_blocks_for_decl_p): Remove checks now performed by
12507 get_block_for_decl.
12508 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12509 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12510 (emit_local, emit_bss, emit_common): ...these new functions.
12511 Return true if the alignment was honored.
12512 (emit_tls_common): New function.
12513 (asm_emit_uninitialised): Delete.
12514 (assemble_variable_noswitch): New function, split out from...
12515 (assemble_variable): ...here. Don't make decisions about common
12516 variables here. Globalize all public decls that go into non-common
12517 sections. Check whether SYMBOL_REF_BLOCK is null.
12518 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12519 (output_constant_pool): Likewise.
12520 (init_varasm_once): Initialize the new section variables.
12521 (have_global_bss_p): New function.
12522 (categorize_decl_for_section): Use bss_initializer_p.
12523 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12524 (place_block_symbol): Assert that the symbol must be in a block.
12525 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12526 (TARGET_INITIALIZER): Include it.
12527 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12528 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12529 (SECTION_MACH_DEP): Bump by two.
12530 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12531 (unnamed_section): Mention SECTION_UNNAMED in comment.
12532 (named_section): Likewise SECTION_NAMED.
12533 (noswitch_section_callback): New type.
12534 (noswitch_section): New structure.
12535 (section): Add a noswitch_section alternative.
12536 (SECTION_STYLE): New macro.
12537 (tls_comm_section, comm_section, lcomm_section): Declare.
12538 (bss_noswitch_section, have_global_bss_p): Declare.
12539 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12540 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12542 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12543 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12546 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12548 * tree-vrp.c (execute_vrp): Return value.
12549 * regrename.c (rest_of_handle_regrename): Ditto.
12550 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12551 * tree-complex.c (tree_lower_complex): Ditto.
12552 (tree_lower_complex_O0): Ditto.
12553 * tracer.c (rest_of_handle_tracer): Ditto.
12554 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12555 * postreload.c (rest_of_handle_postreload): Ditto.
12556 * tree-tailcall.c (execute_tail_recursion): Ditto.
12557 (execute_tail_calls): Ditto.
12558 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12559 * tree.h (init_function_for_compilation): Ditto.
12560 * ipa-cp.c (ipcp_driver): Ditto.
12561 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12562 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12563 * final.c (compute_alignments): Ditto.
12564 (rest_of_handle_final): Ditto.
12565 (rest_of_handle_shorten_branches): Ditto.
12566 (rest_of_clean_state): Ditto.
12567 * omp-low.c (execute_expand_omp): Ditto.
12568 (execute_lower_omp): Ditto.
12569 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12570 * ipa-reference.c (static_execute): Ditto.
12571 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12572 * reorg.c (rest_of_handle_delay_slots): Ditto.
12573 (rest_of_handle_machine_reorg): Ditto.
12574 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12575 * flow.c (recompute_reg_usage): Ditto.
12576 (rest_of_handle_remove_death_notes): Ditto.
12577 (rest_of_handle_life): Ditto.
12578 (rest_of_handle_flow2): Ditto.
12579 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12580 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12581 (do_ssa_store_ccp): Ditto.
12582 (execute_fold_all_builtins): Ditto.
12583 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12584 * modulo-sched.c (rest_of_handle_sms): Ditto.
12585 * ipa-pure-const.c (static_execute): Ditto.
12586 * cse.c (rest_of_handle_cse): Ditto.
12587 (rest_of_handle_cse2): Ditto.
12588 * web.c (rest_of_handle_web): Ditto.
12589 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12590 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12591 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12592 * tree-nrv.c (tree_nrv): Ditto.
12593 (execute_return_slot_opt): Ditto.
12594 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12595 (create_structure_vars): Ditto.
12596 * loop-init.c (rtl_loop_init): Ditto.
12597 (rtl_loop_done): Ditto.
12598 (rtl_move_loop_invariants): Ditto.
12599 (rtl_unswitch): Ditto.
12600 (rtl_unroll_and_peel_loops): Ditto.
12601 (rtl_doloop): Ditto.
12602 * gimple-low.c (lower_function_body): Ditto.
12603 (mark_used_blocks): Ditto.
12604 * tree-ssa-sink.c (execute_sink_code): Ditto.
12605 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12606 (cgraph_early_inlining): Ditto.
12607 * global.c (rest_of_handle_global_alloc): Ditto.
12608 * jump.c (cleanup_barriers): Ditto.
12609 (purge_line_number_notes): Ditto.
12610 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12611 (rest_of_handle_if_after_reload): Ditto.
12612 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12613 (tree_ssa_loop_im): Ditto.
12614 (tree_ssa_loop_unswitch): Ditto.
12615 (tree_vectorize): Ditto.
12616 (tree_linear_transform): Ditto.
12617 (tree_ssa_loop_ivcanon): Ditto.
12618 (tree_ssa_empty_loop): Ditto.
12619 (tree_ssa_loop_bounds): Ditto.
12620 (tree_complete_unroll): Ditto.
12621 (tree_ssa_loop_prefetch): Ditto.
12622 (tree_ssa_loop_ivopts): Ditto.
12623 (tree_ssa_loop_done): Ditto.
12624 * predict.c (tree_estimate_probability): Ditto.
12625 * recog.c (split_all_insns_noflow): Ditto.
12626 (rest_of_handle_peephole2): Ditto.
12627 (rest_of_handle_split_all_insns): Ditto.
12628 * tree-eh.c (lower_eh_constructs): Ditto.
12629 * regmove.c (rest_of_handle_regmove): Ditto.
12630 (rest_of_handle_stack_adjustments): Ditto.
12631 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12632 * function.c (instantiate_virtual_regs): Ditto.
12633 (init_function_for_compilation): Ditto.
12634 (rest_of_handle_check_leaf_regs): Ditto.
12635 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12636 (rest_of_handle_gcse): Ditto.
12637 * ipa-type-escape.c (type_escape_execute): Ditto.
12638 * alias.c (rest_of_handle_cfg): Ditto.
12639 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12640 * profile.c (rest_of_handle_branch_prob): Ditto.
12641 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12642 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12643 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12644 * tree-dfa.c (find_referenced_vars): Ditto.
12645 * except.c (set_nothrow_function_flags): Ditto.
12646 (convert_to_eh_region_ranges): Ditto.
12647 (rest_of_handle_eh): Ditto.
12648 * emit-rtl.c (unshare_all_rtl): Ditto.
12649 (remove_unnecessary_notes): Ditto.
12650 * except.h (set_nothrow_function_flags): Ditto.
12651 (convert_to_eh_region_ranges): Ditto.
12652 * cfgexpand.c (tree_expand_cfg): Ditto.
12653 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12654 * tree-ssa-pre.c (do_pre): Ditto.
12655 (execute_fre): Ditto.
12656 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12657 (rest_of_handle_jump2): Ditto.
12658 * tree-sra.c (tree_sra): Ditto.
12659 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12660 (execute_mudflap_function_decls): Ditto.
12661 * tree-ssa-copy.c (do_copy_prop): Ditto.
12662 (do_store_copy_prop): Ditto.
12663 * ipa-prop.h (ipcp_driver): Ditto.
12664 * cfglayout.c (insn_locators_initialize): Ditto.
12665 * tree-ssa-forwprop.c
12666 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12667 * cfglayout.h (insn_locators_initialize): Ditto.
12668 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12669 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12670 (execute_late_warn_uninitialized): Ditto.
12671 * rtl.h (cleanup_barriers): Ditto.
12672 (split_all_insns_noflow): Ditto.
12673 (purge_line_number_notes): Ditto.
12674 (unshare_all_rtl): Ditto.
12675 (remove_unnecessary_notes): Ditto.
12676 (recompute_reg_usage): Ditto.
12677 (variable_tracking_main): Ditto.
12678 * integrate.c (emit_initial_value_sets): Ditto.
12679 * integrate.h (emit_initial_value_sets): Ditto.
12680 * tree-optimize.c (execute_free_datastructures): Ditto
12681 (execute_free_cfg_annotations): Ditto.
12682 (execute_fixup_cfg): Ditto.
12683 (execute_cleanup_cfg_pre_ipa): Ditto.
12684 (execute_cleanup_cfg_post_optimizing): Ditto.
12685 (execute_init_datastructures): Ditto.
12686 * tree-object-size.c (compute_object_sizes): Ditto.
12687 * combine.c (rest_of_handle_combine): Ditto.
12688 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12689 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12690 (rest_of_handle_reorder_blocks): Ditto.
12691 (rest_of_handle_partition_blocks): Ditto.
12692 * var-tracking.c (variable_tracking_main): Ditto.
12693 * tree-profile.c (tree_profiling): Ditto.
12694 * tree-vect-generic.c (expand_vector_operations): Ditto.
12695 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12696 * sched-rgn.c (rest_of_handle_sched): Ditto.
12697 (rest_of_handle_sched2): Ditto.
12698 * basic-block.h (free_bb_insn): Ditto.
12699 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12700 * tree-cfg.c (execute_build_cfg): Ditto.
12701 (remove_useless_stmts): Ditto.
12702 (split_critical_edges): Ditto.
12703 (execute_warn_function_return): Ditto.
12704 (execute_warn_function_noreturn): Ditto.
12705 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12706 * cfgrtl.c (free_bb_for_insn): Ditto.
12707 * passes.c (execute_one_pass): Run additional
12708 todos returned by execute function.
12709 * tree-pass.h (struct tree_opt_pass): Make execute
12712 2006-03-02 Richard Guenther <rguenther@suse.de>
12714 * tree-ssa-alias.c (find_used_portions): Consider taking
12715 the address as making the variable not write-only.
12717 2006-03-02 Nick Clifton <nickc@redhat.com>
12719 * config.gcc (default_use_cxa_atexit): Extend the description of
12720 this configure variable. Set its default value to "yes" for
12721 Linux, NetBSD and ELF targets on the assumption that they will
12722 use C libraries with the __cxa_atexit function.
12724 2006-03-02 Ben Elliston <bje@au.ibm.com>
12726 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12727 parameter as unused to suppress a build warning.
12729 2006-03-02 Ben Elliston <bje@au.ibm.com>
12731 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12734 2006-03-01 Roger Sayle <roger@eyesopen.com>
12737 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12738 declared name, the weak reference name, and the typeof name.
12739 (__gthrw): Avoid expanding the declared name suffix.
12740 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12742 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12744 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12746 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12747 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12748 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12749 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12750 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12751 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12752 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12753 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12754 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12755 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12756 (DW_END_default, DW_END_big, DW_END_little): New.
12757 (DW_END_lo_user, DW_END_hi_user): Define.
12758 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12759 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12760 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12763 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12765 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12767 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12769 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12771 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12773 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12774 to 'symbol_mem_tag'.
12776 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12779 2006-03-01 Roger Sayle <roger@eyesopen.com>
12781 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12783 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12786 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12787 MACHO_DYNAMIC_NO_PIC_P.
12788 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12790 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12793 * config/darwin-protos.h (darwin_asm_output_anchor):
12795 * config/darwin-sections.def (cstring_section):
12796 Add SECTION_MERGE to the flags.
12797 (literal4_section): Likewise.
12798 (literal8_section): Likewise.
12799 (objc_selector_refs_section): Likewise.
12800 (objc_cls_refs_section): Likewise.
12801 * config/darwin.c (darwin_asm_output_anchor): New
12803 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12805 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12807 Fix PR tree-optimization/26443
12808 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12809 to todo and PROP_tmt_usage to properties_destroyed.
12810 * tree-ssa-ccp.c (pass_ccp): Ditto.
12811 (pass_store_ccp): Ditto.
12812 * tree-ssa-dom.c (pass_dominator): Ditto.
12814 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12816 * tree-ssa-operands.c: Cleanup whitespace.
12817 (get_asm_expr_operands): Move before first invocation.
12818 (get_indirect_ref_operands): Likewise.
12819 (get_tmr_operands): Likewise.
12820 (get_call_expr_operands): Likewise.
12821 (append_def): Likewise.
12822 (append_use): Likewise.
12823 (append_v_may_def): Likewise.
12824 (append_v_must_def): Likewise.
12825 (add_call_clobber_ops): Likewise.
12826 (add_call_read_ops): Likewise.
12827 (add_stmt_operand): Likewise.
12828 (add_virtual_operand): Likewise.
12829 (build_ssa_operands): Likewise.
12831 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12833 PR middle-end/26022
12835 PR middle-end/24437
12836 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12837 with a call expr to ...
12838 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12840 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12842 * tree-vrp.c (extract_range_from_assert): Remove special
12843 handling for types with super-types.
12845 2006-03-01 Ben Elliston <bje@au.ibm.com>
12847 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12848 and powerpc64-*-linux* configurations.
12849 * config/t-dfprules: New file.
12851 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12852 Compile dfp-bit.c from the source directory using -DWIDTH and
12853 $DFP_CFLAGS to control the compilation of that file, rather than
12854 generating width-specific versions in the build directory.
12855 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12856 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12858 2006-02-28 Zack Weinberg <zackw@panix.com>
12860 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12863 2006-02-28 Eric Christopher <echristo@apple.com>
12865 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12866 Set up IN_LIBGCC definition of TARGET_64BIT.
12867 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12869 2006-02-28 Roger Sayle <roger@eyesopen.com>
12871 PR middle-end/14752
12872 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12873 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12874 cases via the construction of "expr != 0".
12876 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12878 * alias.c (alias_invariant, alias_invariant_size): Remove.
12879 (record_base_value): Remove.
12880 (memrefs_conflict_p): Don't look at alias_invariant.
12881 (end_alias_analysis): Don't free it.
12882 * alias.h (record_base_value): Remove prototype.
12884 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12885 Adam Nemet <anemet@caviumnetworks.com>
12887 * rtl.h (truncated_to_mode): Declare it.
12888 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12889 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12890 (RTL_HOOKS_INITIALIZER): Include it.
12891 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12892 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12893 reg_truncated_to_mode.
12894 * rtlanal.c (truncated_to_mode): Define it.
12895 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12897 2006-02-28 Jeff Law <law@redhat.com>
12899 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12900 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12901 the range allowed by TYPE_PRECISION.
12903 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12905 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12907 PR tree-optimization/26419
12908 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12911 2006-02-27 Zack Weinberg <zackw@panix.com>
12913 * doc/md.texi: Fix typo in previous change.
12915 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12919 2006-02-27 Zack Weinberg <zackw@panix.com>
12921 * rtl.def (define_constraint, define_register_constraint)
12922 (define_memory_constraint, define_address_constraint): New MD forms.
12923 * gensupport.c (process_rtx): Put define_constraint etc on the
12925 * genpreds.c (process_define_predicate): Adjust comment. Validate
12926 the name, and call validate_exp to validate the expression.
12927 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12928 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12929 all callers changed.
12930 (validate_exp, needs_variable, struct constraint_data)
12931 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12932 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12933 (const_dbl_constraints, constraint_max_namelen)
12934 (have_register_constraints, have_memory_constraints)
12935 (have_address_constraints, have_address_constraints)
12936 (have_extra_constraints, have_const_int_constraints)
12937 (have_const_dbl_constraints, mangle, add_constraint)
12938 (process_define_constraint, process_define_register_constraint)
12939 (write_enum_constraint_num, write_lookup_constraint)
12940 (write_insn_constraint_len, write_regclass_for_constraint)
12941 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12942 (write_insn_extra_memory_constraint)
12943 (write_insn_extra_address_constraint)
12944 (write_satisfies_constraint_fns): New.
12945 (write_tm_preds_h): If we have new-style constraint definitions,
12946 prototype the functions generated from them, and define the
12947 old constraint interface (still used by generic code) in terms of
12949 (write_insn_preds_c): If we have new-style constraint definitions,
12950 generate all relevant functions from those definitions.
12951 (main): Handle define_constraint etc.
12952 * genoutput.c (struct constraint_data, indep_constraints)
12953 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12954 (mdep_constraint_len): New data structures and functions, defined
12955 #ifdef USE_MD_CONSTRAINTS.
12956 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12957 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12958 use new logic to validate operand constraints against constraint
12960 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12962 * defaults.h: If none of the old-style constraint macros are
12963 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12964 old-style macros; and poison REG_CLASS_FROM_LETTER,
12965 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12967 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12968 * doc/md.texi: Document new constraint-definition mechanism and the
12969 C interface it provides. Remove references to old mechanism
12970 elsewhere in the document.
12971 (Machine Constraints): Use pathnames relative to gcc directory,
12972 i.e. config/ARCH/FILE. Change i386 section to refer to
12973 config/i386/predicates.md; update that section to match docstrings.
12974 * doc/tm.texi: Move all documentation of the old constraint-
12975 definition macros to their own section, clearly mark as obsolete.
12977 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12978 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12980 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12981 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12982 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12983 constraint strings.
12984 (splits and peepholes): Use satisfies_constraint_*.
12985 * config/i386/i386.c (memory_address_length)
12986 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12988 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12990 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12991 scalar operation to be put back into the loop.
12993 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12996 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12997 (extract_cie_info): Handle S flag in augmentation string.
12998 (execute_cfa_program): If context->signal_frame, execute also
12999 fs->pc == context->ra instructions.
13000 (uw_frame_state_for): If context->signal_frame, don't subtract one
13001 from context->ra to find FDE.
13002 (uw_update_context_1): Set context->signal_frame to
13004 (_Unwind_GetIPInfo): New function.
13005 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13006 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13008 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13009 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13010 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13011 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13012 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13013 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13014 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13015 x86_64_fallback_frame_state): Set fs->signal_frame.
13016 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13017 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13018 (frob_update_context): Likewise. Workaround missing S flag in
13019 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13020 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13021 Remove the psw_addr + 1 hack.
13023 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13025 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13026 with aggregates here.
13027 (find_func_aliases): Remove code for &<aggregate> from here.
13029 2006-02-26 Roger Sayle <roger@eyesopen.com>
13031 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13032 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13033 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13034 as (X & C) ne/eq 0.
13036 2006-02-26 Roger Sayle <roger@eyesopen.com>
13038 PR middle-end/19983
13039 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13041 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13043 * opts.c (decode_options): Do not handle flag_strength_reduce.
13044 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13045 and OPT_fstrength_reduce.
13046 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13047 flag_prefetch_loop_arrays for being nonzero.
13048 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13050 (fprefetch-loop-arrays-rtl): Removed.
13051 (flag_prefetch_loop_arrays): Do not specify the value.
13053 * doc/passes.texi: Update documentation of loop optimizer
13055 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13056 -frerun-loop-opt): Remove.
13058 2006-02-26 Richard Guenther <rguenther@suse.de>
13060 PR tree-optimization/26421
13061 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13062 in function calls that are ADDR_EXPRs as using the whole structure.
13064 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13066 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13067 * tree-pass.h (pass_loop_optimize): Remove.
13068 * passes.c (pass_loop_optimize): Never run it.
13069 * toplev.c (backend_init): Don't call init_loop.
13070 * opts.c (flag_loop_optimize_set): Remove.
13071 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13072 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13073 the old RTL loop optimizer when profiling enabled.
13074 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13075 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13076 pre-headers for the sake of the old RTL loop optimizer.
13077 * Makefile.in: Remove all references to loop.o.
13079 * doc/invoke.texi: Remove all references to -floop-optimize
13080 and -frerun-loop-opt.
13082 2006-02-26 Zack Weinberg <zackw@panix.com>
13084 * doc/md.texi (Machine Constraints): Refer to all files with paths
13085 relative to gcc directory (i.e. config/CPU/file). Add missing
13086 @table @code ... @end table to M32C subsection.
13088 2006-02-26 Roger Sayle <roger@eyesopen.com>
13090 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13092 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13094 2006-02-26 Roger Sayle <roger@eyesopen.com>
13095 James A. Morrison <phython@gcc.gnu.org>
13097 PR middle-end/21137
13098 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13099 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13100 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13101 signedness of the shift operation.
13103 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13105 PR tree-optimization/26359
13106 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13108 2006-02-25 Roger Sayle <roger@eyesopen.com>
13110 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13111 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13112 as X == 0, and some symmetry related transformations.
13113 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13115 2006-02-25 Roger Sayle <roger@eyesopen.com>
13117 PR middle-end/23673
13118 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13119 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13120 symmetry related transformations. Fold (X^C1) == C2 as
13123 2006-02-25 Juergen Weigert <jw@suse.de>
13124 Richard Guenther <rguenther@suse.de>
13126 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13128 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13130 * combine.c (gen_lowpart_or_truncate): Call
13131 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13133 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13135 * doc/invoke.texi: Move -fopenmp description to "Options for
13137 Remove reference to -lgomp.
13139 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13141 * doc/install.texi: Require GNU tar version 1.14.
13143 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13145 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13146 * doc/invoke.texi (C++ Dialect Options): Document
13147 -fno-use-cxa-get-exception-ptr.
13148 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13149 * configure: Regenerate.
13150 * c.opt (fuse-cxa-get-exception-ptr): New.
13151 * c-opts.c (c_common_handle_option): Handle
13152 OPT_fuse_cxa_get_exception_ptr.
13153 * c-common.c (flag_use_cxa_atexit): Update documentation.
13154 (flag_use_cxa_get_exception_ptr): New.
13155 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13156 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13158 (C_COMMON_OVERRIDE_OPTIONS): New.
13160 2006-02-24 Roger Sayle <roger@eyesopen.com>
13162 PR middle-end/24952
13163 * combine.c (try_combine): Explicitly check whether GET_CODE is
13164 a SET or a CLOBBER, instead on checking that it isn't a USE.
13166 2006-02-24 Roger Sayle <roger@eyesopen.com>
13168 * fold-const.c (fold_comparison): New subroutine of fold_binary
13169 containing transformations common to both the equality and
13170 ordering relational operators, factored out of fold_binary.
13171 (fold_binary): Separate out the equality operators (EQ_EXPR
13172 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13173 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13174 transformations common to both.
13175 (fold_div_compare): Fix latent bugs in the previously unreachable
13176 LT_EXPR and GE_EXPR cases.
13178 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13180 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13181 decl libname for clog to __clog on AIX.
13183 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13185 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13188 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13189 output traceback table for thunks. Localise rs6000_stack_info call.
13191 2006-02-23 Roger Sayle <roger@eyesopen.com>
13192 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13194 * gthr-posix.h (__gthrw): Fix typo in comment.
13196 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13198 * doc/cpp.texi (Character sets): Document that we do support
13199 input files to be in any character set.
13201 2006-02-23 Jeff Law <law@redhat.com>
13203 * tree.h (PHI_ARG_NONZERO): Remove.
13204 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13205 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13206 node to the new node.
13208 PR tree-optimization/26425
13209 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13210 min/max, then assume its varying.
13212 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13214 PR rtl-optimization/26316
13215 * rtlanal.c (enum may_trap_p_flags): New.
13216 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13217 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13218 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13219 (may_trap_after_code_motion_p): New function.
13220 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13221 (find_invariant_insn): Use may_trap_after_code_motion_p.
13222 * rtl.h (may_trap_after_code_motion_p): Declare.
13224 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13226 * emit-rtl.c (immed_double_const): Cleanup.
13228 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13230 Fix PR tree-optimization/26376
13231 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13234 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13236 PR middle-end/26412
13237 * gimplify.c (omp_add_variable): Guard variable size decl test with
13238 DECL_SIZE (decl) check.
13240 2006-02-23 Richard Guenther <rguenther@suse.de>
13242 PR middle-end/26439
13243 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13244 like aggregate types.
13246 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13248 * configure.ac: Add --with{,out}-long-double-128 configure option.
13249 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13250 * configure: Rebuilt.
13251 * config.in: Rebuilt.
13252 * doc/install.texi (Options specification): Document
13253 --with-long-double-128.
13255 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13256 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13257 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13258 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13260 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13262 * config/s390/s390.c (override_options): Handle
13263 TARGET_DEFAULT_LONG_DOUBLE_128.
13265 * config/alpha/alpha.c (override_options): Handle
13266 TARGET_DEFAULT_LONG_DOUBLE_128.
13268 * config/sparc/sparc.c (sparc_override_options): Handle
13269 TARGET_DEFAULT_LONG_DOUBLE_128.
13271 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13273 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13274 (real-install-headers-tar, real-install-headers-cpio)
13275 (real-install-headers-cp): New targets.
13277 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13279 * tree.h (variable_section): Delete.
13280 * varasm.c (variable_section): Delete.
13282 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13284 * install.texi: Add notes on install.texi2html.
13285 (Building in parallel): Do not use footnotes.
13287 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13290 * doc/install.texi (Configuration): Document --disable-libgomp.
13292 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13294 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13296 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13298 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13299 (vec_extractv2df_0_sse): New.
13301 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13303 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13304 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13305 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13306 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13307 to the result of the expression.
13308 (def_cfa_1): Adjust.
13309 (frame_pointer_cfa_offset): Rename to...
13310 (frame_pointer_fb_offset): ... this. Adjust all uses.
13311 (convert_cfa_to_loc_list): Rename to...
13312 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13313 Pass it on to build_cfa_loc.
13314 (compute_frame_pointer_to_cfa_displacement): Rename to...
13315 (compute_frame_pointer_to_fb_displacement): ... this. New
13316 offset parameter. Use it in computation.
13317 (gen_subprogram_die): Compute cfa_fb_offset with the new
13318 macro, and use it to compute the fb loc list and the
13321 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13323 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13324 replaced with register_operand.
13325 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13326 non-DREG is expensive.
13327 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13328 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13331 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13333 * doc/install.texi2html: Use set -e.
13335 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13337 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13338 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13339 * doc/invoke.texi (-fshared-data): Delete.
13340 * common.opt (fshared-data): Delete.
13341 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13342 (assemble_static_space): Remove #if 0 code.
13343 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13344 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13345 * config/cris/cris.h: Remove FIXME.
13347 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13349 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13352 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13354 PR middle-end/26379
13355 * combine.c (simplify_shift_const_1): Disable nested shifts
13356 optimization for vector shifts.
13358 2006-02-20 Roger Sayle <roger@eyesopen.com>
13360 PR tree-optimization/26361
13361 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13362 of unsigned integer types.
13364 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13366 * tree-chrec.c (eq_evolutions_p): New.
13367 * tree-chrec.h (eq_evolutions_p): Declared.
13368 * tree-data-ref.c: Fix formatting.
13369 (datadep_stats, dependence_stats): New.
13371 (print_direction_vector): New.
13372 (dump_data_dependence_relation): Use print_direction_vector.
13373 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13374 (compute_subscript_distance): Static.
13375 (initialize_data_dependence_relation): Static. Get the number
13376 of loops surrounding the references from the callers, and initialize
13377 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13378 base_object_differ_p analyzers.
13379 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13380 compute_overlap_steps_for_affine_1_2,
13381 analyze_subscript_affine_affine): Count the classified dependences.
13382 Print a message when a test failed.
13383 (can_use_analyze_subscript_affine_affine): New.
13384 (analyze_siv_subscript): Compute the data dependences on symbolic
13385 scevs that verify can_use_analyze_subscript_affine_affine.
13386 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13387 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13388 Handle symbolic scevs.
13389 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13391 (subscript_dependence_tester): Moved...
13392 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13393 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13394 DDR_SIZE_VECT instead of getting it in parameter.
13395 (subscript_dependence_tester): ... here. Take as a parameter
13396 loop_nest_depth. Call build_classic_dist_vector and
13397 build_classic_dir_vector.
13398 (compute_affine_dependence): Update subscript_dependence_tester
13399 parameters. Update datadep_stats counters. Call
13400 compute_subscript_distance.
13401 (compute_self_dependence): Save the dist and dir vectors. Call
13402 compute_subscript_distance.
13403 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13404 (compute_all_dependences): Reorder parameters as they were before
13405 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13406 compute_subscript_distance. Update the use of
13407 compute_affine_dependence and initialize_data_dependence_relation.
13408 (find_data_references_in_loop): Handle COMPONENT_REF.
13409 (compute_data_dependences_for_loop): Initialize dependence_stats.
13410 Don't call build_classic_dist_vector and build_classic_dir_vector.
13411 Update the parameters of initialize_data_dependence_relation and
13412 compute_all_dependences. Print the statistics from datadep_stats.
13413 (analyze_all_data_dependences): Static. Not used until the pass for
13414 checking the data dependences is contributed.
13415 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13416 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13417 (initialize_data_dependence_relation, compute_affine_dependence,
13418 analyze_all_data_dependences, compute_subscript_distance): Removed.
13419 (print_direction_vector): New.
13420 * lambda.h (gcd): ... here.
13421 (lambda_vector_gcd): Moved here from gcd_vector.
13422 * lambda-code.c (gcd, gcd_vector): Removed.
13423 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13424 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13426 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13428 * ipa-type-escape.c: Tidy some comments and white space.
13429 * tree-ssa-operands.c: Likewise.
13431 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13434 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13435 (dump_decl_name): Do not walk the decl tree chains.
13436 * tree-pass.h (TDF_CHAIN): Remove.
13438 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13440 * Makefile.in (C): Remove
13442 (.PHONY): Remove C and PROTO
13444 2006-02-20 Roger Sayle <roger@eyesopen.com>
13446 PR middle-end/26236
13447 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13448 deprecated CHAR_TYPE tree code.
13450 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13452 * configure.ac (target_list): Add install-info, dvi, html.
13453 * configure: Regenerate.
13455 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13456 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13457 treelang/Make-lang.in: Do not use double-colon rules.
13459 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13461 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13462 (TMT_USED_ALONE): New macro.
13463 * tree-pass.h (PROP_tmt_usage): New property.
13464 (TODO_update_tmt_usage): New todo.
13465 * tree-ssa-alias.c (updating_used_alone): New variable.
13466 (recalculate_used_alone): New function.
13467 (compute_may_aliases): Set updating_used_alone, call
13468 recalculate_used_alone.
13469 * tree-sra.c (pass_sra): Note that this pass destroys
13470 PROP_tmt_usage, and add TODO_update_tmt_usage.
13471 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13472 * tree-flow.h (updating_used_alone): Prototype.
13473 (recalculate_used_alone): Ditto.
13474 * passes.c (execute_todo): Add code to set updating_used_alone,
13475 and call recalculate.
13476 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13477 for clobber if used alone, and add assert to verify used_alone
13480 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13482 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13483 for non tls symbols added.
13484 (legitimize_address): Do nothing for PLUS expressions if one of the
13485 addends is a tls symbol reference.
13487 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13491 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13493 * Makefile.in (BOOTSTRAPPING): New.
13494 (quickstrap): New definition if BOOTSTRAPPING=yes.
13496 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13497 * configure.ac: Substitute all_selected_languages with the languages
13498 that were configured. For all the other variables except
13499 lang_specs_files, include all the languages in the tree.
13500 * configure: Regenerate.
13502 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13503 if there is one. Run the commands to run fixincludes in the same
13506 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13507 * doc/install.texi: Document exact conventions for searching target tools.
13508 Document --with-build-time-tools. Document toplevel bootstrap. Document
13509 something more about building an Ada cross-compiler. Don't list GNU Make
13510 requirements which affect all platforms.
13512 2006-02-19 Roger Sayle <roger@eyesopen.com>
13514 PR middle-end/19543
13515 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13516 only equivalent if the have both the same mode and precision.
13518 2006-02-20 Ben Elliston <bje@au.ibm.com>
13520 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13522 2006-02-19 Roger Sayle <roger@eyesopen.com>
13523 Steven Bosscher <stevenb.gcc@gmail.com>
13525 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13526 constant pool references to identify stack mode constants.
13527 * rtlanal.c (constant_pool_constant_p): New predicate to check
13528 whether operand is a floating point constant in the pool.
13529 * rtl.h (constant_pool_constant_p): Prototype here.
13530 * loop.c (scan_loop): Avoid hoisting constants from the constant
13531 pool on STACK_REGS targets.
13532 (load_mems): Likewise.
13533 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13534 loads into x87 registers expensive in terms of register pressure.
13536 2006-02-19 Roger Sayle <roger@eyesopen.com>
13538 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13539 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13541 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13543 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13544 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13546 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13548 * doc/invoke.texi: Document -fipa-pta.
13549 * common.opt: Add ipa-pta option.
13550 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13551 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13552 (do_ds_constraint): Ditto.
13553 (get_constraint_for): Only add to referenced_vars if
13554 referenced_vars exists.
13555 (insert_into_field_list): Rewrite to do this unsorted.
13556 (insert_into_field_list_sorted): Rename old insert_into_field_list
13558 (create_function_info_for): Use insert_into_field_list_sorted.
13559 (create_variable_info_for): Rewrite so it uses unsorted version,
13560 since the field list is sorted.
13561 (intra_create_variable_infos): Only add to referenced_vars if
13562 referenced_vars exists.
13563 (ipa_pta_execute): Init heapvars, and delete when done.
13564 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13566 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13568 * doc/install.texi: Add missing `@samp'.
13570 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13572 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13575 2006-02-18 Mark Wielaard <mark@klomp.org>
13577 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13578 who added new 4.1 features, bug fixes and integration support.
13580 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13583 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13584 MEM for ABI_V4 pic.
13586 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13588 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13589 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13590 (copy_insn_1): Likewise. Don't copy each field individually.
13592 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13594 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13595 * rtl.c (rtx_size): Rename variable to...
13596 (rtx_code_size): ...this.
13597 (rtx_size): New function.
13598 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13599 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13601 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13602 * rtl.h (rtx_code_size): New variable.
13603 (rtx_size): Change from a variable to a function.
13604 (RTX_SIZE): Rename to...
13605 (RTX_CODE_SIZE): ...this.
13608 PR tree-optimization/17106
13609 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13610 (Anchored Addresses): New section.
13611 * doc/invoke.texi (-fsection-anchors): Document.
13612 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13613 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13614 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13615 * hooks.c (hook_bool_mode_rtx_false): New function.
13616 * hooks.h (hook_bool_mode_rtx_false): Declare.
13617 * gengtype.c (create_optional_field): New function.
13618 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13619 SYMBOL_REF_IN_BLOCK_P is true.
13620 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13621 (min_anchor_offset, max_anchor_offset): Likewise.
13622 (use_anchors_for_symbol_p): New hook.
13623 * toplev.c (compile_file): Call output_object_blocks.
13624 (target_supports_section_anchors_p): New function.
13625 (process_options): Check that -fsection-anchors is only used on
13626 targets that support it and when -funit-at-a-time is in effect.
13627 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13628 if the decl doesn't have one.
13629 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13630 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13631 of force_const_mem through use_anchored_address.
13632 (expand_expr_constant): New function.
13633 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13634 calling expand_expr for INDIRECT_REF.
13635 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13636 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13637 * expr.h (use_anchored_address): Declare.
13638 * loop-unroll.c: Don't declare rtx vectors here.
13639 * explow.c: Include output.h.
13640 (validize_mem): Call use_anchored_address.
13641 (use_anchored_address): New function.
13642 * common.opt (-fsection-anchors): New switch.
13643 * varasm.c (object_block_htab, anchor_labelno): New variables.
13644 (hash_section, object_block_entry_eq, object_block_entry_hash)
13645 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13646 (use_blocks_for_decl_p, change_symbol_section): New functions.
13647 (get_variable_section): New function, split out from assemble_variable.
13648 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13649 use_blocks_for_decl_p say so. Use change_symbol_section if the
13650 symbol has already been created.
13651 (assemble_variable_contents): New function, split out from...
13652 (assemble_variable): ...here. Don't output any code for
13653 block symbols; just pass them to place_block_symbol.
13654 Use get_variable_section and assemble_variable_contents.
13655 (get_constant_alignment, get_constant_section, get_constant_size): New
13656 functions, split from output_constant_def_contents.
13657 (build_constant_desc): Create a block symbol if use_object_blocks_p
13658 says so. Or into SYMBOL_REF_FLAGS.
13659 (assemble_constant_contents): New function, split from...
13660 (output_constant_def_contents): ...here. Don't output any code
13661 for block symbols; just pass them to place_section_symbol.
13662 Use get_constant_section and get_constant_alignment.
13663 (force_const_mem): Create a block symbol if use_object_blocks_p and
13664 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13665 (output_constant_pool_1): Add an explicit alignment argument.
13666 Don't switch sections here.
13667 (output_constant_pool): Adjust call to output_constant_pool_1.
13668 Switch sections here instead. Don't output anything for block symbols;
13669 just pass them to place_block_symbol.
13670 (init_varasm_once): Initialize object_block_htab.
13671 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13672 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13673 (place_block_symbol, get_section_anchor, output_object_block)
13674 (output_object_block_htab, output_object_blocks): New functions.
13675 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13676 (TARGET_ASM_OUT): Include it.
13677 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13678 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13679 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13680 (TARGET_INITIALIZER): Include them.
13681 * rtl.c (rtl_check_failed_block_symbol): New function.
13682 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13683 (block_symbol, object_block): New structures.
13684 (rtx_def): Add a block_symbol field to the union.
13685 (BLOCK_SYMBOL_CHECK): New macro.
13686 (rtl_check_failed_block_symbol): Declare.
13687 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13688 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13689 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13690 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13691 * output.h (output_section_symbols): Declare.
13692 (object_block): Name structure.
13693 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13694 (default_use_anchors_for_symbol_p): Declare.
13695 * Makefile.in (RTL_BASE_H): Add vec.h.
13696 (explow.o): Depend on output.h.
13697 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13698 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13699 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13700 (rs6000_use_blocks_for_constant_p): New function.
13702 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13704 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13706 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13709 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13712 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13714 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13718 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13720 PR middle-end/26334
13721 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13722 instead of DECL_REGISTER.
13724 2006-02-18 Olivier Hainque <hainque@adacore.com>
13727 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13729 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13732 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13733 * opth-gen.awk: Handle Var and InverseMask together.
13734 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13735 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13736 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13737 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13739 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13740 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13741 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13742 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13743 LINUX_DYNAMIC_LINKER): Define.
13744 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13745 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13747 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13748 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13749 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13751 (TARGET_C99_FUNCTIONS): Don't define.
13752 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13753 GLIBC_DYNAMIC_LINKER.
13754 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13755 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13756 GLIBC_DYNAMIC_LINKER64): Define.
13757 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13758 LINUX_DYNAMIC_LINKER64.
13759 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13760 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13761 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13763 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13764 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13765 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13766 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13767 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13768 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13769 and LINUX_DYNAMIC_LINKER32.
13770 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13771 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13772 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13774 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13776 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13777 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13778 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13779 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13780 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13781 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13782 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13783 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13784 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13785 LINUX_DYNAMIC_LINKER): Define.
13786 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13787 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13788 GLIBC_DYNAMIC_LINKER64): Define.
13789 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13790 LINUX_DYNAMIC_LINKER64.
13791 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13792 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13793 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13794 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13795 LINUX_DYNAMIC_LINKER): Define.
13796 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13797 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13798 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13799 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13800 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13801 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13802 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13803 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13804 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13805 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13806 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13807 * doc/invoke.texi (-muclibc): Remove caveat about supported
13810 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13812 * doc/cpp.texi (__TIMESTAMP__): Document.
13814 2006-02-17 Roger Sayle <roger@eyesopen.com>
13816 PR middle-end/25600
13817 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13818 C is one less than the width of X (and related transformations).
13819 * simplify-rtx.c (simplify_unary_operation_1): Transform
13820 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13821 depending on STORE_FLAG_VALUE, were C is one less then the
13824 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13826 Fix PR tree-optimization/26341
13827 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13828 about NAME_MEMORY_TAG's.
13830 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13833 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13834 with hardware float support, and software float support. Add fcpy
13835 alternative to hardware patterns. Add alternatives to copy between
13836 general and floating-point registers to the 32-bit pattern.
13837 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13838 secondary reload to load a QI or HI mode constant into a floating
13840 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13841 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13843 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13846 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13848 (load_macho_picbase_di): Likewise.
13850 2006-02-16 Jeff Law <law@redhat.com>
13852 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13853 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13854 (ssa_name_nonzero_p): Likewise.
13855 (get_value_range): Return NULL if VRP is not running.
13856 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13857 VRP routines do not discover a range.
13858 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13859 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13860 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13861 (tree_expr_nonnegative_p): Similarly.
13862 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13863 (restore_nonzero_vars_to_original_value): Remove.
13864 (unsafe_associative_fp_binop): Remove.
13865 (tree_ssa_dominator_optimize): Remove initialization and
13866 finalization of nonzero_vars and nonzero_vars_stack.
13867 (dom_opt_initialize_block): No longer push marker on
13868 nonzero_vars_stack.
13869 (dom_opt_finalize_block): No longer call
13870 restore_nonzero_vars_to_original_value.
13871 (record_equivalences_from_phis): No longer look for
13872 nonzero PHI arguments.
13873 (cprop_into_successor_phis): No longer propagate nonzero
13874 property into PHI arguments. Lose unused argument. Caller
13876 (record_equivalences_from_stmt): No longer record nonzero
13877 values for SSA_NAMEs.
13878 (lookup_avail_expr): No longer use nonzero_vars.
13880 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13881 for sizetype when sizetype is unsigned.
13883 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13885 PR rtl-optimization/25603
13886 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13887 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13888 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13889 with new meaning of SETS.
13891 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13896 * config/linux.opt: New file.
13897 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13898 LINUX_DYNAMIC_LINKER): Define.
13899 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13900 * config.gcc (*-*-linux*): Define extra_options.
13901 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13902 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13903 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13904 GLIBC_DYNAMIC_LINKER.
13905 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13906 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13907 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13909 * doc/invoke.texi (GNU/Linux Options): New section.
13911 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13913 * config/sparc/sparc.md (setjmp): Rewrite.
13914 (setjmp_32): Delete.
13915 (setjmp_64): Likewise.
13917 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13919 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13922 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13924 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13927 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13929 PR rtl-optimization/26296
13930 * Makefile.in (loop-invariant.c): Add except.h dependency.
13931 * loop-invariant.c: Include except.h.
13932 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13934 2005-02-16 Paul Brook <paul@codesourcery.com>
13936 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13939 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13941 PR rtl-optimization/25636
13942 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13943 when deciding whether an insn is an initializing insn.
13945 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13947 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13948 (tree_code_size): Ditto.
13949 * tree.h (struct tree_memory_tag): Remove parent_var.
13950 (struct tree_struct_field_tag): New.
13953 (union tree_node): Add sft member.
13954 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13956 (create_sft): Add size and offset argument, set SFT_OFFSET and
13958 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13959 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13960 * tree-flow-inline.h (get_subvar_at): Update for
13961 SFT_OFFSET/SFT_SIZE.
13962 (var_can_have_subvars): Ditto.
13963 (overlap_subvar): Ditto.
13964 * print-tree.c (print_node): Print out interesting things for
13966 * tree-flow.h (struct subvar): Remove offset and size members.
13967 * tree-ssa-operands.c (get_expr_operands): Update for
13968 get_indirect_ref_operands changes.
13969 (get_indirect_ref_operands): Call add_virtual_operand instead of
13970 add_stmt_operand. Only recurse on base var if requested.
13971 (access_can_touch_variable): New function.
13972 (add_stmt_operand): Split virtual operand handling into ...
13973 (add_virtual_operand): Here. Add offset, size, and for_clobber
13974 arguments. Prune alias sets.
13975 (add_call_clobber_ops): Call add_virtual_operand.
13977 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13979 PR middle-end/26300
13980 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13982 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13983 than TREE_CODE as index into omp_clause_num_ops array.
13985 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13987 PR rtl-optimization/26184
13988 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13990 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13991 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13992 must_precede, must_follow and tobe_scheduled.
13995 * opts.c (common_handle_option): Free new_option pointer.
13996 * df-core.c (df_analyze): Free postorder pointer.
13998 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14000 * Makefile.in: Fix the examples about the use of stamps
14002 2006-02-15 Michael Matz <matz@suse.de>
14004 PR middle-end/22275
14006 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14007 influenced by maximum_field_alignment or DECL_PACKED.
14008 (update_alignment_for_field): Ditto.
14009 (place_field): Ditto.
14010 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14013 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14015 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14016 (debug_flow_info): Pass it.
14017 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14018 * bb-reorder.c (reorder_basic_blocks): Likewise.
14019 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14020 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14021 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14022 * gcse.c (gcse_main, bypass_jumps): Likewise.
14023 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14024 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14025 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14026 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14027 * rtl.h (dump_flow_info): Adjust prototype.
14028 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14029 * var-tracking.c (variable_tracking_main): Likewise.
14030 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14031 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14034 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14036 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14039 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14041 PR tree-optimization/26209
14042 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14043 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14045 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14047 2006-02-14 Roger Sayle <roger@eyesopen.com>
14049 PR middle-end/23670
14050 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14051 (X,Y) and the corresponding symmetry related transformations.
14052 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14053 (X,Y) and its symmetry related transformations.
14055 2006-02-14 Roger Sayle <roger@eyesopen.com>
14057 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14060 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14062 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14064 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14067 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14068 support COMDAT group.
14069 * configure: Regenerate.
14071 2006-02-14 Roger Sayle <roger@eyesopen.com>
14073 PR middle-end/26279
14074 PR middle-end/26280
14075 PR middle-end/26283
14076 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14078 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14080 Fix PR tree-optimization/26260
14082 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14084 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14085 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14086 * tree-ssa-structalias.c (create_variable_info_for): Use
14087 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14089 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14091 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14093 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14094 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14095 of the ending condition.
14096 * tree-ssa-loop-manip.c: Include params.h.
14097 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14098 tree_unroll_loop): New functions.
14099 * tree-pass.h (pass_loop_prefetch): Declare.
14100 * loop.c (rest_of_handle_loop_optimize): Test for
14101 -fprefetch-loop-arrays-rtl.
14102 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14103 * timevar.def (TV_TREE_PREFETCH): New timevar.
14104 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14105 pass_loop_prefetch): New.
14106 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14107 (cleanup_tree_cfg_loop): Call scev_reset.
14108 * common.opt (fprefetch-loop-arrays-rtl): Add.
14109 * tree-ssa-loop-prefetch.c: New file.
14110 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14111 (new_temp_expr_table): Initialize expr_vars.
14112 (free_temp_expr_table): Cleanup expr_vars.
14113 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14114 expressions from being merged into one.
14115 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14116 (struct tree_niter_desc): Add control, bound and cmp fields.
14117 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14119 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14120 (tree-cfgcleanup.o): Add SCEV_H dependency.
14121 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14122 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14124 2006-02-14 Richard Guenther <rguenther@suse.de>
14126 PR tree-optimization/26258
14127 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14128 in PHI argument processing.
14130 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14132 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14133 new expression in the requested machine mode.
14135 2006-02-13 Roger Sayle <roger@eyesopen.com>
14137 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14138 directly, instead let do_compare_rtx_and_jump handle this for us.
14139 * expr.c (expand_expr_real_1): Likewise.
14140 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14141 before do_jump_by_parts_greater.
14142 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14143 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14145 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14147 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14149 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14151 PR rtl-optimization/26235
14152 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14153 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14156 2006-02-13 Jeff Law <law@redhat.com>
14158 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14161 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14163 PR middle-end/26092
14164 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14165 twice if decl is a builtin. When trying again, call get_callee_fndecl
14166 first to verify it is still a builtin.
14168 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14170 * dwarf2out.c (base_type_die): Don't add AT_name here.
14171 (subrange_type_die): Don't add AT_name here.
14172 (modified_type_die): Rearrange code flow. Do add AT_name here.
14174 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14176 PR rtl-optimization/26247
14177 PR rtl-optimization/26248
14178 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14180 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14182 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14183 * config/fixtfdi.c: Likewise.
14184 * config/fixunstfdi.c: Likewise.
14185 * config/floatditf.c: Likewise.
14187 2006-02-13 Roger Sayle <roger@eyesopen.com>
14189 PR middle-end/24427
14190 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14191 into (X,C2) if C1 is a subset of the bits of C2. Transform
14192 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14194 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14196 2006-02-13 Josh Conner <jconner@apple.com>
14199 * varasm.c (function_section): Check for section name before
14200 calling select_section on targets that define
14201 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14202 unlikely_text_section instead of hot_function_section if
14203 first_function_block_is_cold.
14205 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14207 PR middle-end/25335
14208 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14210 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14212 PR rtl-optimization/26222
14213 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14214 after tree->rtl expansion.
14215 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14216 before passing it to emit_move_insn.
14218 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14220 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14222 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14223 Clarify documentation.
14224 * c-common.h (warn_write_strings): Remove.
14225 * c-common.c (warn_write_strings): Likewise.
14226 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14229 2006-02-12 Roger Sayle <roger@eyesopen.com>
14231 PR middle-end/25724
14232 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14233 (do_jump_parts_zero_rtx): New function renamed from
14234 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14235 (do_jump_parts_equality_rtx): New function split out from
14236 do_jump_parts_equality. Old implementation renamed as above.
14237 Call do_jump_parts_zero_rtx if either operand is zero.
14238 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14239 do all of the heavy lifting.
14240 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14241 calling either do_jump_by_parts_greater_rtx or
14242 do_jump_by_parts_equality_rtx.
14243 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14244 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14245 moved to do_compare_rtx_and_jump, call it directly.
14246 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14247 mode argument. Call do_compare_rtx_and_jump.
14248 (emit_case_nodes): Update calls to do_jump_if_equal.
14250 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14252 PR rtl-optimization/26225
14253 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14255 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14257 PR rtl-optimization/26232
14258 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14260 2006-02-11 Jason Merrill <jason@redhat.com>
14263 * tree-inline.c (declare_return_variable): Just don't use the
14264 modify target if it's a gimple complex reg and the return slot
14267 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14269 * doc/contrib.texi: Update my entry.
14271 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14273 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14275 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14277 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14280 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14282 * doc/invoke.texi (-floop-optimize2): Removed.
14283 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14284 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14285 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14286 * common.opt (floop-optimize2): Removed.
14287 (fmove-loop-invariants): Enabled by default.
14289 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14291 * tree-if-conv.c (combine_blocks): Free the result of
14292 get_loop_exit_edges.
14294 2006-02-10 Jeff Law <law@redhat.com>
14296 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14298 PR tree-optimization/26213
14299 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14300 loop trying to follow SSA_NAME_VALUE chains.
14302 2006-02-10 Richard Guenther <rguenther@suse.de>
14304 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14305 deal with structures that end in implicitly variable sized arrays.
14307 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14309 PR rtl-optimization/24762
14310 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14313 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14315 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14316 (struct ivopts_data): Add regs_used field.
14317 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14318 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14319 instead of loop_data->regs_used;
14320 (free_loop_data): Do not free aux fields for loops.
14321 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14322 and tree_ssa_iv_optimize_finalize.
14324 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14326 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14328 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14331 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14332 computing the effective result type.
14334 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14336 PR inline-asm/16194
14337 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14338 (tree_overlaps_hard_reg_set): Declare.
14339 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14340 type and signature to match function type expected by walk_tree.
14341 (tree_overlaps_hard_reg_set): New function.
14342 (decl_conflicts_with_clobbers_p): Rename to:
14343 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14344 Use tree_overlaps_hard_reg_set. Changed caller.
14345 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14346 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14347 * cris.c (cris_md_asm_clobbers): Likewise.
14349 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14351 * reload1.c (emit_input_reload_insns): Delete code that tries to
14352 inherit using find_equiv_reg.
14354 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14356 * c-common.h (flag_const_strings): Don't declare.
14357 * c-common.c (flag_const_strings): Remove.
14358 * c.opt (fconst_strings): Remove.
14359 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14360 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14361 (c_common_init_options): Don't set flag_const_strings.
14362 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14364 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14366 * arm.md (tlobits_cbranch): New pattern.
14367 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14368 testing a single bit.
14370 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14373 * tree-ssa-pre.c (create_component_ref_by_pieces):
14374 Handle RETURN_DECL like VAR_DECL.
14376 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14378 PR middle-end/26134
14379 * fold-const.c (fold_indirect_ref_1): Fold
14380 "*(foo *)&complexfoo" to "__real__ complexfoo"
14381 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14383 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14385 * tree-flow-inline.h (var_can_have_subvars):
14386 Volatile variables should not have subvariables.
14388 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14391 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14392 multiplying unsigned values.
14395 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14397 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14399 2006-02-08 Jason Merrill <jason@redhat.com>
14402 * tree.def: Elaborate on difference from MODIFY_EXPR.
14403 * doc/c-tree.texi (INIT_EXPR): Likewise.
14404 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14405 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14406 (gimplify_target_expr): Likewise.
14407 (gimplify_cond_expr): Remove target handling.
14408 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14409 (gimplify_expr): Clobber it here.
14410 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14411 Do return slot optimization if we have an INIT_EXPR.
14414 * tree-inline.c (declare_return_variable): Also clear
14415 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14418 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14420 PR middle-end/22439
14421 * gimplify.c (gimplify_one_sizepos): Fix typo.
14423 2006-02-08 Jeff Law <law@redhat.com>
14425 PR tree-optimization/21417
14426 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14427 across a backedge if the control statement at the end of the
14428 block is data dependent on other statements in the same block.
14429 (record_temporary_equivalences_from_stmts): Remove over-conservative
14430 test for threading across backedges.
14432 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14433 control statement, handle all three special cases in the same
14434 manner as they all have the same desired solution. No longer
14435 special case edge flag updating when the post dominator is
14438 2006-02-08 Roger Sayle <roger@eyesopen.com>
14440 * tree.def (CHAR_TYPE): Remove.
14441 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14442 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14443 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14444 (gen_string_type_die): Delete unreachable function.
14446 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14447 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14448 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14449 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14450 * builtins.c (type_to_class): Likewise.
14451 * fold-const.c (fold_convert, build_range_check,
14452 merge_ranges): Likewise.
14453 * expr.c (count_type_elements): Likewise.
14454 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14455 * stor-layout.c (layout_type): Likewise.
14456 * ipa-type-escape.c (type_to_consider): Likewise.
14457 * gimplify.c (omp_firstprivatize_type_sizes,
14458 gimplify_type_sizes): Likewise.
14459 * explow.c (promote_mode): Likewise.
14460 * tree-sra.c (is_sra_scalar_type): Likewise.
14461 * varasm.c (output_constant): Likewise.
14462 * tree-inline.c (remap_type_1): Likewise.
14463 * convert.c (convert_to_pointer, convert_to_real,
14464 convert_to_integer, convert_to_complex): Likewise.
14466 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14468 * df-scan.c (df_def_record_1): A set destination may
14469 be a parallel regardless of mode.
14471 2006-02-08 Roger Sayle <roger@eyesopen.com>
14474 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14475 * config/mips/_tilib.c: Remove.
14476 * config/fixtfdi.c: New libgcc source file.
14477 * config/fixunstfdi.c: New source file.
14478 * config/floatditf.c: New source file.
14479 * config/floatunditf.c: New souce file.
14480 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14481 files above instead of config/mips/_tilib.c.
14482 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14484 2006-02-08 Jeff Law <law@redhat.com>
14486 PR tree-optimization/26169
14487 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14490 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14492 * df.h (DF_REG_SIZE): Return the length of the initialized
14495 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14497 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14498 __muldf3): Return a correctly signed zero.
14500 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14502 * passes.c (register_one_dump_file): Accept the current properties
14503 instead of pass number. Adjust call to dump_register. Remove
14505 (register_dump_files): Now a wrapper around...
14506 (register_dump_files_1): ... this one. Do not modify the pass
14508 (next_pass_1): Cosmetic fix.
14509 (execute_todo): Keep second parameter only. Use curr_properties
14510 instead of fetching it from the pass structure. Check and set
14512 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14513 instead of fetching it from the pass structure. Fix calls to
14514 execute_todo. Update curr_properties and initialize .vcg RTL dump
14515 after running the pass. Reset last_verified.
14516 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14518 (FIRST_AUTO_NUMBERED_DUMP): New.
14519 (dump_register): Remove "num" parameter, assign it within the
14521 (get_dump_file_name): Modify template for dumps.
14522 * tree-dump.h (dump_register): Adjust prototype.
14523 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14524 (PROP_trees): Add PROP_gimple_lomp.
14525 (TODO_set_props): New.
14526 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14527 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14528 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14530 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14532 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14533 (sparc64-*-linux*): Likewise.
14534 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14535 * config/sparc/t-linux: New file.
14536 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14537 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14538 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14539 -m32 -mlong-double-128.
14541 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14542 * config/alpha/t-linux: New file.
14543 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14545 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14546 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14547 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14548 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14549 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14550 (CPP_ARCH32_SPEC): Remove.
14552 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14554 PR tree-optimization/26145
14555 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14558 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14561 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14562 >= 240000 when generating code for SOM runtime.
14563 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14564 to $$dyncall when generating code for SOM runtime..
14566 2006-02-07 Dirk Mueller <dmueller@suse.com>
14569 * doc/invoke.texi (-Wsequence-point): Update documentation
14570 that -Wsequence-point is implemented for C++ as well.
14572 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14574 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14575 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14576 (LIB_SPEC): Likewise.
14577 * doc/invoke.texi (SPARC options): Document -pthread.
14579 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14581 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14584 2006-02-07 Roger Sayle <roger@eyesopen.com>
14586 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14587 Correct comment describing BOOLEAN_TYPE.
14589 2006-02-07 Dirk Mueller <dmueller@suse.com>
14591 * c.opt: C++ frontend supports -Wdiv-by-zero.
14592 * c-opts.c (c_common_handle_option): Remove dead case.
14594 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14596 * configure.ac (TLS assembler check): Do not enable TLS by
14597 default on SPARC/Solaris before version 10.
14598 * configure: Regenerate.
14600 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14602 * doc/invoke.texi (xl-compat): Document conversion and support
14605 2006-02-07 Jeff Law <law@redhat.com>
14607 * tree-vrp.c (find_conditional_asserts): Update comments.
14608 (simplify_stmt_for_jump_threading): New.
14609 (identify_jump_threads, finalize_jump_threads): New.
14610 (vrp_finalize): Call identify_jump_threads.
14611 (execute_vrp): Call finalize_jump_threads.
14612 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14613 (vrp_element, vrp_data, vrp_element_p): Remove.
14614 (vrp_hash_elt, vrp_variables_stack): Remove.
14615 (vrp_hash, vrp_eq, record_range): Remove.
14616 (simplify_cond_and_lookup_avail_expr): Remove.
14617 (extract_range_from_cond): Remove.
14618 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14619 (simplify_stmt_for_jump_threading): New.
14620 (dom_thread_across_edge): New wrapper.
14621 (tree_ssa_dominator_optimize): No longer initialize or
14622 finalize any of the VRP datastructures. Remove iteration
14623 step and simplify as a result of removal of iteration step.
14624 (pass_dominator): Perform a cfg cleanup after DOM.
14625 (dom_opt_finalize_block): Use the new common routines
14626 for threading jumps. Simplify stack management slightly.
14627 No longer need to unwind VRP state.
14628 (record_equivalences_from_incoming_edge): No longer record
14630 (eliminate_redundant_computations): No longer call
14631 simplify_cond_and_lookup_avail_expr.
14632 * tree-flow.h (potentially_threadable_block): Prototype.
14633 (thread_across_edge): Likewise.
14634 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14635 (tree-ssa-threadedge.o): Add dependencies.
14636 * tree-ssa-threadedge.c: New file.
14637 * passes.c (init_optimization_passes): Merge PHIs before
14638 calling VRP. Run VRP again late in the SSA optimization pipeline.
14640 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14642 * df-core.c (df_set_blocks): Do not dereference function pointers.
14643 (df_finish1): Likewise.
14644 (df_hybrid_search_forward): Likewise.
14645 (df_hybrid_search_backward): Likewise.
14646 (df_iterative_dataflow): Likewise.
14647 (df_analyze_problem): Likewise.
14648 (df_compact_blocks): Likewise.
14649 (df_dump): Likewise.
14650 * df-scan.c (df_rescan_blocks): Likewise.
14651 (df_record_entry_block_defs): Likewise.
14653 * genconditions.c (write_conditions): Guard the definition of
14654 'insn_conditions' with the check on GCC version.
14655 (write_writer): Guard the traversal 'insn_conditions' with
14656 the check on GCC version.
14658 2006-02-07 Richard Guenther <rguenther@suse.de>
14662 2006-01-30 Richard Guenther <rguenther@suse.de>
14664 * gimplify.c (gimplify_target_expr): Handle easy cases
14665 without creating a temporary.
14667 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14669 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14670 use of float in probability computations. Use edge probabilities
14671 in place of statically computed probabilities.
14672 (min_spec_prob): New static variable.
14673 (schedule_insns): Initialize it.
14674 (GET_SRC_PROB): Removed.
14675 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14677 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14680 * config/ia64/unwind-ia64.c: Revert last change.
14681 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14682 (INCOMING_FRAME_SP_OFFSET): Define.
14684 2006-02-06 Roger Sayle <roger@eyesopen.com>
14686 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14688 2006-02-07 Ben Elliston <bje@au.ibm.com>
14690 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14691 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14692 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14693 (ix86_return_in_memory): Handle TDmode.
14694 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14695 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14697 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14699 * reorg.c (dbr_schedule): Use dump_file instead of file.
14701 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14704 * config/ia64/predicates.md (extr_len_operand): New predicate.
14705 * config/ia64/ia64.md (extv): Tighten constraints.
14707 (*tbit_and_2): Ditto.
14708 (*tbit_and_3): Ditto.
14709 (*tbit_or_2): Ditto.
14710 (*tbit_or_3): Ditto.
14711 (*bit_zero): Ditto.
14714 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14717 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14719 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14721 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14722 loop_optimizer_init and loop_optimizer_finalize
14723 * tree-ssa-sink.c (execute_sink_code): Ditto.
14724 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14725 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14726 tree_ssa_loop_done): Ditto.
14727 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14728 * sched-ebb.c: Include output.h.
14729 (schedule_ebbs): Do not use dump argument.
14730 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14731 * loop.c (loop_dump_stream): Removed.
14732 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14734 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14735 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14736 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14737 loop_iterations, strength_reduce, record_biv, record_giv,
14738 final_giv_value, check_final_value, check_ext_dependent_givs,
14739 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14740 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14741 dump_file instead of loop_dump_stream.
14742 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14743 argument dump_file.
14744 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14746 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14747 * haifa-sched.c: Include output.h
14748 (schedule_insns, sched_init): Do not use dump argument.
14749 * mode-switching.c (optimize_mode_switching): Ditto.
14750 * modulo-sched.c (stats_file): Removed.
14751 (print_node_sched_params): Do not call argument dump_file.
14752 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14753 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14755 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14757 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14758 rtl_loop_init, rtl_loop_done): Ditto.
14759 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14760 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14762 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14763 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14764 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14765 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14766 * emit-rtl.c (renumber_insns): Ditto.
14767 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14768 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14769 * regclass.c (regclass): Ditto.
14770 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14771 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14772 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14773 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14775 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14776 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14778 * gcse.c (gcse_file, debug_stderr): Removed.
14779 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14780 rest_of_handle_gcse): Do not use dump argument.
14781 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14782 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14783 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14784 compute_code_hoist_vbeinout, compute_code_hoist_data,
14785 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14786 compute_store_table, build_store_vectors, insert_insn_start_bb,
14787 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14788 store_motion): Use dump_file instead of gcse_file.
14789 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14790 * profile.c (profile_dump_file): Removed.
14791 (branch_prob): Use dump_file instead of profile_dump_file.
14792 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14794 * tree-ssa-copy.c (dump_copy_of): Ditto.
14795 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14796 dump file to life_analysis.
14797 * bt-load.c (branch_target_load_optimize): Ditto.
14798 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14800 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14801 regclass, dbr_schedule): Declaration changed.
14802 * sched-int.h (sched_init): Declaration changed.
14803 * tree-profile.c (tree_profile_dump_file): Removed.
14804 (tree_profile_hooks): Removed profile_dump_file hook.
14805 * rtl-profile (rtl_profile_dump_file): Removed.
14806 (rtl_profile_hooks): emoved profile_dump_file hook.
14807 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14809 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14810 * tree-cfg.c (build_tree_cfg): Ditto.
14811 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14812 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14813 Declaration changed.
14814 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14815 life_analysis and schedule_insns.
14816 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14818 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14820 * config/mips/mips.c (mips_reorg): Ditto.
14821 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14824 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14826 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14827 (s390_mangle_fundamental_type): New.
14828 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14831 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14832 (alpha_mangle_fundamental_type): New.
14833 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14836 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14838 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14840 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14841 (sparc_mangle_fundamental_type): New.
14843 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14845 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14846 (s390x-*-linux*): Likewise.
14847 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14848 * config/s390/t-linux: New file.
14850 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14852 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14853 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14855 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14857 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14858 (ANTIC_SAFE_LOADS): New macro.
14859 (find_or_generate_expression): Add prototype.
14860 (set_contains_value): Allow null set for sake of not always having
14861 to allocate ANTIC_SAFE_LOADS.
14862 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14863 Allow COMPONENT_REF too.
14864 (valid_in_set): Allow COMPONENT_REF.
14865 Check ANTIC_SAFE_LOADS too.
14866 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14867 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14869 (can_PRE_operation): Add COMPONENT_REF.
14870 (create_component_ref_by_pieces): New function.
14871 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14872 (insert_aux): Move AGGREGATE_TYPE_P check here.
14873 (compute_avail): Set bb local stmt uids.
14874 (pass_pre): Use TODO_update_ssa_only_virtuals.
14876 2006-02-06 Ben Elliston <bje@au.ibm.com>
14878 * configure.ac: Unconditionally disable decimal float by default.
14879 * configure: Regenerate.
14881 2006-02-06 Ben Elliston <bje@au.ibm.com>
14883 * read-rtl.c (read_name): Terminate reading on EOF.
14885 2006-02-06 Ben Elliston <bje@au.ibm.com>
14887 * dfp.c (decimal_real_arithmetic): Change second argument type
14888 from int to enum tree_code. Do not always return true, but now
14889 return result of any call to decimal_do helper functions.
14890 * dfp.h (decimal_real_arithmetic): Update prototype.
14892 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14894 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14896 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14899 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14902 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14904 * tree-vrp.c (cfg_loops): Removed.
14905 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14906 Use current_loops instead of cfg_loops. Pass flags to
14907 loop_optimizer_init.
14908 * cfgloopmanip.c (fix_loop_structure): Update only available
14910 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14911 loop_optimizer_init.
14912 * modulo-sched.c (build_loops_structure): Removed.
14913 (sms_schedule): Use loop_optimizer_init.
14914 * loop-init.c (loop_optimizer_init): Use flags to determine
14915 which properties of loops to prepare.
14916 (rtl_loop_init): Pass flags to loop_optimizer_init.
14917 * tree-ssa-sink.c (execute_sink_code): Ditto.
14918 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14919 * tree-ssa-pre.c (init_pre): Ditto.
14920 * cfgloop.h (LOOPS_NORMAL): New.
14921 (loop_optimizer_init): Declaration changed.
14923 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14925 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14926 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14928 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14930 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14932 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14933 * pa/t-pa64: Delete quadlib.c rule.
14934 * pa/x-ada: Revert last change.
14935 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14937 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14939 PR rtl-optimization/26087
14940 * rtlanal.c (canonicalize_condition): Do not cross basic block
14943 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14946 * config/ia64/ia64.c: Include debug.h.
14947 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14948 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14949 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14950 (process_epilogue, process_set, process_for_unwind_directive):
14951 Output unwind info only if requested. Add CFA info if requested.
14952 Add new arguments as needed. Adjust callers.
14953 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14955 (DWARF2_FRAME_INFO): Define to zero.
14956 * config/ia64/unwind-ia64.c: Remove code that compensated for
14957 the CFA offset error fixed above.
14958 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14959 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14960 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14961 -funwind-tables and -fexceptions to enable frame info.
14962 (dwarf2out_frame_init): Define initial CFA even if
14963 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14964 DWARF2_UNWIND_INFO is nonzero, not just defined.
14965 (dwarf2out_frame_finish): Output non-EH call frame info only
14966 if DWARF2_FRAME_INFO is nonzero.
14967 (convert_cfa_to_loc_list,
14968 compute_frame_pointer_to_cfa_displacement): Define even if
14969 unwind info is not supported.
14970 (gen_subprogram_die): Use the above unconditionally. Remove
14971 legacy alternate code.
14972 * toplev.c (compile_file): Compile in call to
14973 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14974 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14976 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14977 Jakub Jelinek <jakub@redhat.com>
14979 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14980 IBM extended float format long double as "g" on powerpc*-linux.
14982 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14985 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14986 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14988 2006-02-03 Jason Merrill <jason@redhat.com>
14991 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14993 PR middle-end/25977
14994 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14995 on the return slot if it's an NRV.
14997 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14999 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15000 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15001 rewrite_use): Do not handle USE_OUTER.
15002 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15003 add_iv_outer_candidates, may_replace_final_value,
15004 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15005 (find_interesting_uses_op): Functionality of
15006 find_interesting_uses_outer_or_nonlin moved here.
15007 (find_interesting_uses_outside): Use find_interesting_uses_op.
15009 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15012 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15014 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15015 Ulrich Weigand <uweigand@de.ibm.com>
15018 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15019 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15020 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15021 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15023 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15024 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15025 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15026 Define secondary reloads for TFmode moves.
15027 (constant_modes): Add TFmode.
15028 (NR_C_MODES): Set to 8.
15029 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15031 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15032 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15033 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15034 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15035 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15036 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15037 (FPR mode macro): Add TFmode.
15038 (DSF mode macro): New.
15039 (<de>, <dee> mode attributes): Removed.
15040 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15041 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15042 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15043 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15044 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15045 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15046 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15047 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15048 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15049 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15050 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15051 "*negabs<mode>2", "sqrt<mode>2"):
15052 Changed <de> to <xde>. R constraint replaced by <Rf>.
15053 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15055 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15056 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15057 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15059 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15060 "extenddftf2", "extendsftf2"): New expanders.
15061 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15062 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15063 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15064 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15066 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15067 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15068 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15069 __floatditf): Add a GCC_4.1.0 symbol version tag.
15070 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15073 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15076 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15077 Use targetm.binds_local_p instead of TREE_PUBLIC.
15079 2006-02-02 Roger Sayle <roger@eyesopen.com>
15081 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15082 on INTEGER_TYPEs to indicate that it denotes a character type.
15083 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15084 signed_char_type_node, unsigned_char_type_node and char_type_node.
15085 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15086 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15087 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15089 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15090 Daniel Berlin <dberlin@dberlin.org>
15092 * tree-tailcall.c (arg_needs_copy_p): New function.
15093 (eliminate_tail_call): Use arg_needs_copy_p.
15094 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15095 (add_virtual_phis): New function.
15097 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15099 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15100 #ignore instead of #scratch for %g7 .register directive.
15102 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15104 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15107 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15109 * flow.c (calculate_global_regs_live): Assert that there aren't any
15112 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15114 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15115 what its name says.
15116 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15117 bsi_after_labels iterator.
15118 * tree-if-conv.c (find_phi_replacement_condition,
15119 replace_phi_with_cond_modify_expr): Likewise.
15120 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15121 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15123 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15125 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15127 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15130 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15131 array after growing it.
15133 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15135 PR middle-end/24901
15136 * fold-const.c (fold_checksum_tree): Change type of buf.
15138 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15140 * reload.c (push_secondary_reload): Initialize t_icode.
15142 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15144 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15145 -msoft-float -mlong-double-128 only issue a warning, but don't
15146 swich to DFmode long double.
15148 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15150 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15151 has a constant equivalent, iterate over equivalents for arg0,
15152 calling simplify_relational_operation and if there's a result
15153 cheaper than X, apply fold_rtx and return the result.
15155 2006-02-01 Jan Hubicka <jh@suse.cz>
15157 * opts.c (no_unit_at_a_time_default): New global variable.
15158 (decode_options): Use it.
15159 * opts.h (no_unit_at_a_time_default): Declare.
15161 2006-02-01 Paul Brook <paul@codesourcery.com>
15163 * function.c (assign_parm_setup_reg): Use function argument promotion
15165 * expr.c (expand_expr_real_1): Use function argument promotion rules
15168 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15170 * gcc.c (process_command): Change j to 'unsigned int'.
15172 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15174 PR middle-end/26001
15175 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15176 Use the corrected index for the character
15177 out of the string constant.
15179 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15181 * mode-switching.c (optimize_mode_switching): Fix size
15182 allocated for bb_info[n_entities].
15184 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15186 * gcc.c (main): Correct type that is allocated for
15187 explicit_link_files.
15189 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15191 * config/s390/s390.c (init_alignment_context): Set
15192 ALIAS_SET_MEMORY_BARRIER on the MEM.
15193 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15195 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15197 PR middle-end/25933
15198 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15200 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15203 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15205 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15206 * regrename.c: Ditto.
15207 * tree-ssa-loop-im.c: Ditto.
15208 * tree-dump.c: Ditto.
15209 * tree-complex.c: Ditto.
15210 * genrecog.c: Ditto.
15211 * tree-ssa-threadupdate.c: Ditto.
15213 * java/class.c: Ditto.
15214 * java/jcf-parse.c: Ditto.
15215 * java/resource.c: Ditto.
15216 * java/except.c: Ditto.
15217 * java/jvspec.c: Ditto.
15218 * java/jcf-write.c: Ditto.
15219 * java/jcf-path.c: Ditto.
15220 * java/gjavah.c: Ditto.
15221 * java/zextract.c: Ditto.
15222 * java/jcf-io.c: Ditto.
15223 * java/jcf.h: Ditto.
15224 * java/buffer.c: Ditto.
15225 * java/lang.c: Ditto.
15226 * java/parse-scan.y: Ditto.
15227 * java/lex.c: Ditto.
15228 * java/lex.h: Ditto.
15229 * cfgloopmanip.c: Ditto.
15230 * postreload-gcse.c: Ditto.
15231 * tree-ssa-loop-manip.c: Ditto.
15232 * postreload.c: Ditto.
15233 * tree-ssa-loop-ch.c: Ditto.
15236 * cppspec.c: Ditto.
15237 * diagnostic.c: Ditto.
15239 * genoutput.c: Ditto.
15241 * cfghooks.c: Ditto.
15242 * cfgloopanal.c: Ditto.
15243 * objc/objc-act.c: Ditto.
15245 * genextract.c: Ditto.
15246 * genautomata.c: Ditto.
15247 * pretty-print.c: Ditto.
15248 * genemit.c: Ditto.
15249 * cgraphunit.c: Ditto.
15251 * df-scan.c: Ditto.
15252 * haifa-sched.c: Ditto.
15253 * dominance.c: Ditto.
15255 * tree-ssa-loop-ivopts.c: Ditto.
15256 * df-core.c: Ditto.
15257 * mode-switching.c: Ditto.
15258 * modulo-sched.c: Ditto.
15260 * ipa-pure-const.c: Ditto.
15262 * fix-header.c: Ditto.
15264 * tree-stdarg.c: Ditto.
15265 * ipa-utils.c: Ditto.
15266 * loop-init.c: Ditto.
15267 * ipa-inline.c: Ditto.
15268 * cfganal.c: Ditto.
15270 * alloc-pool.c: Ditto.
15271 * dwarf2out.c: Ditto.
15273 * genattrtab.c: Ditto.
15274 * tree-ssa-loop-ivcanon.c: Ditto.
15275 * predict.c: Ditto.
15276 * timevar.c: Ditto.
15278 * fortran/gfortranspec.c: Ditto.
15279 * regmove.c: Ditto.
15280 * local-alloc.c: Ditto.
15281 * langhooks.c: Ditto.
15282 * function.c: Ditto.
15283 * tree-vectorizer.c: Ditto.
15285 * ipa-type-escape.c: Ditto.
15287 * tree-if-conv.c: Ditto.
15288 * profile.c: Ditto.
15290 * tree-data-ref.c: Ditto.
15291 * loop-unroll.c: Ditto.
15292 * treelang/treetree.c: Ditto.
15294 * bt-load.c: Ditto.
15295 * ggc-common.c: Ditto.
15297 * coverage.c: Ditto.
15299 * tree-cfgcleanup.c: Ditto.
15300 * tree-ssa-pre.c: Ditto.
15301 * cfgcleanup.c: Ditto.
15302 * loop-invariant.c: Ditto.
15303 * loop-iv.c: Ditto.
15304 * ipa-prop.c: Ditto.
15305 * print-tree.c: Ditto.
15306 * conflict.c: Ditto.
15307 * ggc-page.c: Ditto.
15308 * sched-deps.c: Ditto.
15309 * regclass.c: Ditto.
15310 * tree-object-size.c: Ditto.
15311 * combine.c: Ditto.
15312 * bb-reorder.c: Ditto.
15313 * resource.c: Ditto.
15314 * var-tracking.c: Ditto.
15315 * cfgloop.c: Ditto.
15316 * df-problems.c: Ditto.
15317 * reg-stack.c: Ditto.
15319 * gccspec.c: Ditto.
15320 * sched-rgn.c: Ditto.
15321 * tree-ssa-structalias.c: Ditto.
15322 * tree-ssa-reassoc.c: Ditto.
15323 * config/darwin-c.c: Ditto.
15324 * config/darwin.c: Ditto.
15325 * config/arm/arm.c: Ditto.
15327 * collect2.c: Ditto.
15328 * reload1.c: Ditto.
15330 2006-01-31 Nicolas Pitre <nico@cam.org>
15332 * arm.md (smaxsi3): Make aware of smax_m1.
15335 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15337 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15339 2006-01-31 Richard Guenther <rguenther@suse.de>
15341 * doc/invoke.texi (-msselibm): Document.
15342 * target.h (expand_library_builtin): New target hook.
15343 * builtins.c (expand_builtin): Use expand_library_builtin.
15344 (default_expand_library_builtin): New function.
15345 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15346 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15347 (link_gcc_math_spec): Declare.
15348 (static_specs): Add link_gcc_math_spec.
15349 * expr.h (default_expand_library_builtin): Declare.
15350 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15351 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15352 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15353 * config/i386/i386.opt (msselibm): New target option.
15354 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15355 (ix86_init_sse_abi_builtins): New function.
15356 (ix86_expand_library_builtin): Likewise.
15357 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15358 (override_options): Handle error conditions wrt -msselibm.
15359 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15360 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15361 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15364 2006-01-31 Richard Guenther <rguenther@suse.de>
15365 Paolo Bonzini <bonzini@gnu.org>
15367 * doc/install.texi (--disable-libgcc-math): Document.
15369 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15371 * expr.h (expand_normal): new inline function.
15372 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15373 * dojump.c: use it.
15374 * dwarf2out.c: use it.
15377 * expmed.c: use it.
15378 * except.c: use it.
15379 * config/sparc/sparc.c: use it.
15380 * config/i386/i386.c: use it.
15381 * config/rs6000/rs6000.c: use it.
15382 * config/arm/arm.c: use it.
15383 * config/mips/mips.c: use it.
15384 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15386 2006-01-30 Roger Sayle <roger@eyesopen.com>
15388 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15389 argv to the appropriate type.
15391 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15393 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15396 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15399 * config/s390/s390.c (struct machine_function): New flag
15400 decomposed_literal_pool_addresses_ok_p.
15401 (s390_reorg): Set it before final stage of literal pool transforms.
15402 (s390_decompose_address): Only accept displacements of the form
15403 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15405 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15407 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15408 the comparison routine return.
15410 2006-01-30 Michael Matz <matz@suse.de>
15412 * global.c (find_reg): Only evict for global regs.
15413 Take n_refs into account and dump more info.
15415 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15418 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15419 (pragma_trap, pragma_nosave_low_regs): Likewise.
15420 (current_function_anonymous_args): Likewise.
15421 (sh_deferred_function_attributes): New variable.
15422 (sh_deferred_function_attributes_tail): Likewise.
15423 (print_operand): For '@', look up trap_exit attribute.
15424 (calc_live_regs): Look up trapa_handler attribute. For trapa
15425 handlers, save/restore fpscr, but don't do any other
15426 interrupt-specific saves.
15427 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15428 Fix check for partially saved registers to check for SHmedia.
15429 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15430 (sh_output_function_epilogue): Don't clear any of the removed
15432 (sh_insert_attributes): Don't check pragma_interrupt.
15433 Insert deferred attributes. Check that interrupt attribute is
15434 present for other attributes that require its presence.
15435 (sh_attribute_table): Add new attributes trapa_handler and
15437 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15438 Don't check for pragma_interrupt. Don't store argument.
15439 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15440 (sh_deferred_function_attributes): Declare.
15441 (sh_deferred_function_attributes_tail): Likewise.
15442 * sh.md (sp_switch_1): Add operand. Change generator caller.
15443 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15444 (*return_i): Don't use when trap_exit attribute is in effect.
15445 (*return_trapa): New insn pattern.
15446 * sh-c.c: New file.
15447 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15448 setting c_target_objs and cxx_target_objs.
15449 * t-sh: Add rule for sh-c.o.
15451 2006-01-30 Richard Guenther <rguenther@suse.de>
15454 * gimplify.c (gimplify_target_expr): Handle easy cases
15455 without creating a temporary.
15457 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15459 * vec.h (safe_grow): Remove duplicated line.
15461 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15464 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15465 (expand_omp): ... here.
15466 (expand_omp_parallel): Only remove barriers for combined
15467 parallel+workshare constructs.
15469 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15473 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15474 * tree.c (build_qualified_type): Chain the new type to the original
15475 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15476 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15477 (build_pointer_type_for_mode): Only return unqualified types.
15478 (build_reference_type_for_mode): Likewise.
15480 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15482 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15483 * Makefile.in (CXX_COMPAT_WARN): Define.
15484 * configure: Regenerate.
15486 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15489 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15492 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15494 * toplev.c: Fix thinko.
15496 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15497 Marcin Dalecki <martin@dalecki.de>
15499 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15500 (push_srcloc): Use XNEW.
15501 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15503 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15505 * df-core.c (df_set_blocks): Deleted all variable.
15507 2006-01-28 Ian Lance Taylor <ian@airs.com>
15509 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15510 cgraph_output_pending_asms.
15512 2006-01-28 Zack Weinberg <zackw@panix.com>
15514 * c.opt: Add -W(no-)overlength-strings.
15515 * doc/invoke.texi: Document it.
15516 * c-opts.c (c_common_handle_option): -pedantic implies
15517 -Woverlength-strings, if not explicitly disabled already.
15518 (c_common_post_options): -Woverlength-strings defaults to off, and
15519 is always off for C++.
15520 * c-common.c (fix_string_type): Issue warning about strings longer
15521 than is portable only if warn_overlength_strings. Rearrange code
15522 a little for clarity.
15523 * configure.in: Check for -Wno-overlength-strings as well before
15524 enabling -pedantic in stage 1.
15525 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15526 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15528 * genconditions.c (write_header, write_one_condition)
15529 (write_conditions, write_writer): Consolidate very long strings
15530 that were broken up to fit in C89 portable limit. Don't use
15531 printf when fputs will do.
15533 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15535 * combine.c (simplify_comparison <AND>): Check
15536 TRULY_NOOP_TRUNCATION before start using a subreg.
15538 * config/mips/mips.md (*branch_zero<mode>,
15539 *branch_zero<mode>_inverted, *branch_equality<mode>,
15540 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15541 Remove mode check from comparisons.
15543 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15545 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15547 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15549 * expmed.c (const_mult_add_overflow_p): Remove.
15550 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15552 * recog.c (validate_replace_rtx_subexp): Remove.
15553 * recog.h: Remove the prototype for
15554 validate_replace_rtx_subexp.
15556 * integrate.h: Remove the prototype for
15557 copy_decl_for_inlining.
15558 * rtl.h: Remove the prototype for mark_constant_function.
15559 * tree-vectorizer.h: Remove the prototype for
15560 vect_strip_conversion.
15562 * modulo-sched.c (create_partial_schedule,
15563 free_partial_schedule, reset_partial_schedule): Make them
15566 * hooks.c (hook_bool_rtx_int_false): Remove.
15567 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15569 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15571 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15572 and -mlong-double-128 are incompatible.
15573 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15574 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15575 (TARGET_LIBGCC2_CFLAGS): Define.
15576 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15577 (TARGET_LIBGCC2_CFLAGS): Same.
15578 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15580 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15583 * c-typeck.c (build_binary_op): Perform implicit casts of
15584 operands before shortening them.
15586 * cfgloopmanip.c (split_loop_bb): Remove.
15587 * cfgloop.h: Remove the prototype for split_loop_bb.
15589 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15590 * cfgloop.h: Remove the prototype for
15591 flow_loop_outside_edge_p.
15593 * emit-rtl.c (init_virtual_regs): Make it static.
15594 * function.h: Remove the prototype for init_virtual_regs.
15596 * recog.c (peephole2_optimize): Make it static.
15597 * recog.h: Remove the prototype for peephole2_optimize.
15599 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15601 * df-scan.c (df_record_entry_block_defs): Check if
15602 INCOMING_RETURN_ADDR_RTX is defined.
15604 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15605 Kenneth Zadeck <zadeck@naturalbridge.com>
15607 PR rtl-optimization/24762
15608 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15609 * targhooks.c (hook_void_bitmap): New hook prototype.
15610 * targhoohs.h (hook_void_bitmap): Ditto.
15611 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15612 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15613 * target.h (live_on_entry): New function pointer.
15614 * df-scan.c (df_all_hard_regs): Removed.
15615 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15616 (df_scan_free_internal): Added df->entry_block_defs.
15617 (df_scan_alloc): Ditto.
15618 (df_scan_dump): Ditto.
15619 (df_uses_record): Plumbed flag field properly thru calls.
15620 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15621 This part fixes PR24762.
15622 (df_bb_refs_record): Added code to make the frame and arg
15623 pointers live in EH blocks.
15624 (df_refs_record): Added call to df_record_entry_block_defs.
15625 (df_record_entry_block_defs): New function.
15626 * df-core.c: Added comments to describe new artifical defs.
15627 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15628 (entry_block_defs): New field in struct df.
15629 (df_all_hard_regs): Deleted.
15630 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15631 * df-problems.c (df_ru_bb_local_compute_process_def):
15632 Added code to handle artifical defs in the entry to a function.
15633 (df_ru_bb_local_compute): Ditto.
15634 (df_rd_bb_local_compute_process_def): Ditto.
15635 (df_rd_bb_local_compute): Ditto.
15636 (df_lr_bb_local_compute): Ditto.
15637 (df_ur_bb_local_compute): Ditto.
15638 (df_urec_bb_local_compute): Ditto.
15639 (df_chain_create_bb): Ditto.
15640 (df_ur_local_finalize): Removed entry.
15641 (df_urec_init): Ditto.
15642 (df_urec_local_finalize): Ditto.
15643 (df_ri_bb_compute): Added detection of last use of pseudos.
15644 * Makefile.in (df-scan.o): Updated dependencies.
15645 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15646 * config/mips/mips.c (mips_set_live_on_entry): Added.
15647 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15649 * dce.c (marked_insn_p): Added code to handle artifical defs.
15651 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15653 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15655 (_mm_cvtsi128_si64): Likewise.
15656 (_mm_cvtsd_si64): Likewise.
15657 (_mm_cvttsd_si64): Likewise.
15658 (_mm_cvtsi64_sd): Likewise.
15659 (_mm_cvtsi64_si128): Likewise.
15660 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15661 (_mm_cvtsi64_m64): Likewise.
15662 (_m_to_int64): Likewise.
15663 (_mm_cvtm64_si64): Likewise.
15664 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15665 (_mm_cvttss_si64): Likewise.
15666 (_mm_cvtsi64_ss): Likewise.
15667 (_mm_cvtss_f32): Likewise.
15669 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15671 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15672 for pragma redefine_extname.
15674 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15677 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15678 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15679 -mno-minimal-toc to previous content.
15680 (bispecs): Remove goal.
15681 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15682 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15683 compatibility aliases on powerpc-*-*gnu*.
15684 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15685 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15686 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15687 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15688 (ldblspecs): New goal.
15689 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15690 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15692 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15693 L_sf_to_tf or L_df_to_tf is defined.
15695 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15696 Alan Modra <amodra@bigpond.net.au>
15699 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15700 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15701 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15702 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15703 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15704 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15705 (rs6000_override_options): Initialize rs6000_ieeequad.
15706 Initialize TFmode format to ibm_extended_format if not
15708 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15710 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15711 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15712 (function_arg_advance): IBM long double passed in two FPRs, not
15714 (function_arg): IBM long double passed in FPRs.
15715 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15716 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15717 Only multireg GPR aligned.
15718 (rs6000_init_libfuncs): Enable IBM long double functions if not
15720 (rs6000_generate_compare): Use IBM long double compare if not
15722 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15723 (TARGET_IEEEQUAD): Define.
15724 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15725 not TARGET_IEEEQUAD.
15726 * config/rs6000/rs6000.md: Enable TFmode patterns if
15728 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15729 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15730 and -mlong-double-128 are incompatible.
15731 * doc/invoke.texi (-mabi): Collect options together. Add
15732 ibmlongdouble and ieeelongdouble.
15734 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15736 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15738 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15739 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15740 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15741 * rtl.h (rtunion_def): Remove rt_ptr.
15743 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15744 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15745 * config/i386/winnt.c (i386_pe_mark_dllexport)
15746 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15748 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15750 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15752 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15756 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15757 pthread_key_delete. From John David Anglin. gthrw-ify
15758 pthread_getunique_np only if it it's not a macro. Delete
15760 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15761 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15762 __gthread_objc_condition_signal, __gthread_key_delete): Add
15763 "__attribute__ ((__unused__))" to unused arguments.
15764 (__gthread_recursive_mutex_init_function): Add missing return.
15765 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15766 gthr-posix95.h: Use macro-based approach for name redirection
15767 on targets missing weakref.
15769 2006-01-26 Zack Weinberg <zackw@panix.com>
15771 * genconditions.c (write_header): In generated code, #ifdef out
15772 all includes and fake declarations, except includes of bconfig.h
15773 and system.h, unless GCC_VERSION >= 3001. Do not include
15774 gensupport.h in any case.
15775 (write_conditions): Generate a definition of struct c_test. Add
15776 a comment to the generated #endif.
15777 (write_one_condition): Escape backslashes in string too.
15778 (write_writer): Generated code must escape backslashes and quote
15779 marks (but not newlines) in the strings it writes.
15780 * Makefile.in (build/gencondmd.o): Update dependencies.
15782 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15785 * Makefile.in (insn-automata.o): Add header file dependencies.
15786 * genautomata.c: Add includes.
15788 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15791 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15793 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15795 * configure.ac: Expect target tools paths to be passed from the toplevel
15796 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15798 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15800 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15803 * c.opt (Wpointer-sign): Init to -1.
15804 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15805 OPT_pedantic, to 0 otherwise.
15806 * doc/invoke.texi: Update.
15808 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15810 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15811 constants provided by 80387 instructions in the destination mode.
15813 2006-01-26 Richard Guenther <rguenther@suse.de>
15814 Andrew Pinski <pinskia@physics.uc.edu>
15817 partial PR tree-opt/17064
15818 * tree-ssa-structalias.c (intra_create_variable_infos):
15819 Create heap variables for incoming parameters if
15820 flag_argument_noalias > 1.
15821 (find_what_p_points_to): Look through default defs of
15824 2006-01-26 Jeff Law <law@redhat.com>
15827 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15828 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15829 within the VR_RANGE, use the VR_RANGE as the result, not the
15831 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15832 bounds for the type.
15834 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15836 * tree-ssa-alias.c (maybe_create_global_var): Change
15837 subvar walking to an assertion that we don't have subvar'd variables.
15839 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15842 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15843 Use a new variable, inner. PARM_DECLs are always non-weak.
15845 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15847 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15848 --disable-checking.
15850 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15852 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15854 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15856 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15857 (smax_insn, smin_insn, smax_0, smin_0): New.
15859 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15862 * config/cris/cris.c (cris_order_for_addsi3): New function.
15863 * config/cris/cris-protos.h: Prototype it.
15864 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15865 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15866 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15867 (split for "op.S1 [rx=rx+i],ry (swapped)")
15868 (split for "op(s|u).S1 [rx=rx+i],ry")
15869 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15870 Apply cris_order_for_addsi3 when generating addsi3 insns.
15872 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15874 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15875 (TREE_BLOCK): Add call to EXPR_CHECK.
15877 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15880 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15881 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15882 (dump_omp_clauses): ... here.
15883 (dump_generic_node): Handle OMP_CLAUSE.
15884 * tree.c (omp_clause_num_ops): New.
15885 (omp_clause_code_name): New.
15886 (tree_code_size): Handle OMP_CLAUSE.
15887 (tree_size): Likewise.
15888 (make_node): Document handling of OMP_CLAUSE.
15889 (tree_node_structure): Handle OMP_CLAUSE.
15890 (omp_clause_check_failed): New.
15891 (omp_clause_range_check_failed): New.
15892 (omp_clause_operand_check_failed): New.
15893 (build_omp_clause): New.
15894 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15895 * tree.h (enum omp_clause_code): Declare.
15896 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15897 (OMP_CLAUSE_RANGE_CHECK): Define.
15898 (OMP_CLAUSE_ELT_CHECK): Define.
15899 (omp_clause_check_failed): Declare.
15900 (omp_clause_operand_check_failed): Declare.
15901 (omp_clause_range_check_failed): Declare.
15902 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15903 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15904 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15905 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15906 (OMP_CLAUSE_IF_EXPR): Likewise.
15907 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15908 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15909 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15910 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15911 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15912 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15913 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15914 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15915 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15916 (OMP_CLAUSE_CODE): Define.
15917 (OMP_CLAUSE_SET_CODE): Define.
15918 (OMP_CLAUSE_CODE): Define.
15919 (OMP_CLAUSE_OPERAND): Define.
15920 (struct tree_omp_clause): Declare.
15921 (union tree_node): Add field 'omp_clause'.
15922 * treestruct.def (TS_OMP_CLAUSE): Define.
15923 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15924 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15925 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15926 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15927 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15928 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15929 (OMP_CLAUSE): Define.
15930 * print-tree.c (print_node): Handle OMP_CLAUSE.
15931 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15932 * c-typeck.c: Likewise.
15933 * gimplify.c: Likewise.
15934 * c-omp.c: Likewise.
15935 * tree-nested.c: Likewise.
15936 * tree-inline.c: Likewise.
15937 * c-parser.c: Likewise.
15938 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15941 2006-01-25 Roger Sayle <roger@eyesopen.com>
15943 PR rtl-optimization/25703
15944 * combine.c (try_combine): Handle zero_extract and strict_low_part
15945 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15947 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15949 * global.c: Fix comment typos.
15951 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15954 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15955 Use output_addr_const instead of assemble_name.
15957 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15959 * Makefile.in (sched-vis.o): Update dependencies.
15960 * haifa-sched.c (sched_finish): Clear current_sched_info.
15961 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15962 (dump_flow_info): Call it.
15963 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15965 * basic-block.h (dump_bb_info): Declare.
15966 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15967 option, and apply options only for dump files whose TDF_RTL,
15968 TDF_TREE, or TDF_IPA bits match.
15969 * rtl.h: Declare new functions exported from sched-vis.c.
15970 * sched-vis.c: Enable also if scheduling is not used.
15971 (print_value): Print the mode of registers if not inside scheduling.
15972 (print_insn): Make it work outside the scheduler. Beautify the output
15974 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15976 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15978 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15979 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15980 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15981 depending on the value of CONSTANT_POOL_ADDRESS_P.
15982 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15984 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15985 rather than SYMBOL_REF_DECL.
15986 (rtx_constant_pool): Remove const_rtx_sym_htab.
15987 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15988 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15989 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15990 Remove handling of const_rtx_sym_htab.
15991 (find_pool_constant): Delete.
15992 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15993 rather than find_pool_constant.
15994 (get_pool_constant_for_function): Delete.
15995 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15996 find_pool_constant.
15997 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15998 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15999 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16000 (SYMBOL_REF_CONSTANT): New macro.
16001 (get_pool_constant_for_function): Delete.
16002 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16003 rather than SYMBOL_REF_DECL.
16004 (i386_pe_mark_dllimport): Likewise.
16005 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16006 rather than SYMBOL_REF_DECL.
16007 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16008 (machopic_indirect_call_target): Likewise.
16010 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16012 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16014 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16016 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16018 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16020 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16022 2006-01-24 David Daney <ddaney@avtrex.com>
16025 * configure.ac (enable_tls): New enable option.
16026 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16027 * configure: Regenerate.
16028 * doc/install.texi (--enable-tls): Document new option.
16029 (--disable-tls): Ditto.
16031 2006-01-24 Richard Henderson <rth@redehat.com>
16033 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16034 * alias.c (true_dependence): Respect it.
16035 (canon_true_dependence, write_dependence_p): Likewise.
16036 * builtins.c (get_builtin_sync_mem): Set it.
16038 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16040 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16043 2006-01-24 DJ Delorie <dj@redhat.com>
16045 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16046 for storing constants in single-bit bitfields.
16048 2006-01-25 Ben Elliston <bje@au.ibm.com>
16050 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16052 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16055 * tree-ssa-pre.c (phi_translate): Return NULL
16056 for AGGREGATE_TYPE's.
16058 2006-01-24 Zack Weinberg <zackw@panix.com>
16060 * genautomata.c (process_state_for_insn_equiv_partition):
16061 Use xcalloc for insn_arcs_array.
16062 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16063 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16065 2006-01-24 Richard Henderson <rth@redhat.com>
16067 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16068 update all callers.
16070 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16072 PR rtl-optimization/25890
16073 PR rtl-optimization/25905
16074 * combine.c (expand_compound_operation, expand_field_assignment):
16075 Fail if the bitfield's final position is out of bounds.
16077 2006-01-24 Ian Lance Taylor <ian@airs.com>
16079 PR middle-end/25930
16080 * cgraphunit.c (cgraph_output_in_order): Don't clear
16081 cgraph_asm_nodes until after asm strings have been output.
16083 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16085 * fix-header.c (read_scan_file): Add new parameter imultilib when
16086 calling register_include_chains.
16088 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16090 * omp-low.c: Update documentation.
16092 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16093 Daniel Berlin <dberlin@dberlin.org>
16097 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16098 return from the function.
16100 2006-01-22 Zack Weinberg <zackw@panix.com>
16102 * rtl.def (match_code): Add second argument.
16103 * genpreds.c (write_extract_subexp): New function.
16104 (write_match_code): Add path argument. Use write_extract_subexp.
16105 (write_predicate_expr): Pass path to write_match_code.
16106 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16107 not perform a mode test.
16108 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16109 a subexpression does not constrain the top-level code set.
16110 * read-rtl.c (read_rtx_variadic): New function.
16111 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16112 * doc/md.texi: Document new notation.
16113 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16114 (cmpsi_operand): ... here, using new notation.
16116 2006-01-22 Zack Weinberg <zackw@panix.com>
16118 * varray.c: Remove GENERATOR_FILE #ifdefs.
16120 2006-01-22 Zack Weinberg <zackw@panix.com>
16122 * genautomata.c (output_reserved_units_table): Emit nothing if
16123 description->query_units_num is zero. Remove extra blank line.
16124 (output_cpu_unit_reservation_p): Short circuit
16125 if description->query_units_num is zero.
16127 2006-01-22 Zack Weinberg <zackw@panix.com>
16129 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16130 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16131 nor any of the random handful of variables that used to be necessary
16132 when this program was linked with rtlanal.o. Prune set of forward
16133 function declarations.
16134 (struct attr_desc): Remove static_p field.
16135 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16136 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16137 (attr_string): Do not read the character one past the length of
16139 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16140 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16141 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16142 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16143 (make_automaton_attrs): New.
16144 (main): Do not call into genautomata. Call local gen_bypass
16145 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16146 Remove special case for insn_alts.
16147 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16148 varray.h (leftover from previous change). Prune set of forward
16149 function declarations. Remove state_alts fields from all
16150 structures. Remove state_alts_table from struct automaton.
16151 Make everything except main static. Do not maintain num_dfa_decls.
16152 Do not maintain state_alts fields of various structures.
16153 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16154 (add_arc): Remove state_alts argument. All callers updated.
16155 (output_reserved_units_table): Emit #ifdef here...
16156 (output_tables): ...not here. Don't generate state_alts tables.
16157 (expand_automata): Don't generate attributes.
16158 (write_automata): Don't generate state_alts functions.
16159 (main): New function.
16160 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16161 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16162 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16163 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16164 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16165 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16166 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16167 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16169 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16170 * genattrtab.h: Delete file.
16171 * Makefile.in (OBJS-common): Add insn-automata.o.
16172 (insn-automata.o): New rule.
16173 (simple_generated_c): Add insn-automata.c.
16174 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16175 (genprogmd): Add automata.
16176 (build/genattrtab): Needs no extra objects nor libraries.
16177 (build/genautomata): Needs build/vec.o and -lm.
16179 2006-01-22 Zack Weinberg <zackw@panix.com>
16181 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16182 (output_dfa_max_issue_rate, locked_states_num): Delete.
16183 (struct automaton): Add locked_states field.
16184 (output_dead_lock_vect): Save number of locked states in
16185 automaton->locked_states. If it is zero, don't print anything.
16186 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16187 (output_internal_dead_lock_func): Only test the dead_lock_vect
16188 for automata that have locked states.
16189 (output_statistics): Always print the number of locked states for
16190 each automaton. Calculate total number of locked states here.
16191 (write_automata): Don't call output_dfa_max_issue_rate.
16192 * genattrtab.c: Define length_unit_log as a const variable.
16193 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16194 max_insn_queue_index const.
16195 * final.c (length_unit_log): Declare const.
16196 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16198 2006-01-22 Zack Weinberg <zackw@panix.com>
16200 * genautomata.c: Include vec.h, not varray.h.
16201 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16202 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16203 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16204 VEC_* macros operating on appropriately typed vectors, or to
16205 malloced arrays when the size is known in advance. Const-ify
16206 many char* variables and function arguments. No functional changes.
16207 * Makefile.in (build/varray.o): Delete rule.
16208 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16209 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16211 2006-01-22 Zack Weinberg <zackw@panix.com>
16213 * gensupport.c: Define get_insn_name and record_insn_name here.
16214 (read_md_rtx): Call record_insn_name as appropriate.
16215 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16216 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16217 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16219 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16220 (BUILD_VARRAY): Delete.
16221 (genprognormal): Rename genprogmd. Fold in all programs from
16222 genprognoprint; also attrtab.
16223 (build/genattrtab): Just mention genautomata.o and varray.o.
16224 Reorganize a bit, add comments to make the categories clearer.
16226 2006-01-22 Zack Weinberg <zackw@panix.com>
16228 * genconditions.c (condition_table, add_condition): Delete.
16229 (write_conditions): Don't emit n_insn_conditions nor
16230 insn_elision_unavailable. Issue the gcc version #ifdef here,
16231 inside the table, with no #else clause ...
16232 (write_header): ...not here.
16233 (write_writer): New function.
16234 (main): Don't initialize condition_table. Use add_c_test.
16236 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16237 files on the command line.
16238 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16239 Return -1 if there is no entry in the table, don't abort.
16240 (add_c_test, traverse_c_tests): New functions.
16241 * gensupport.h (insn_elision_unavailable, insn_conditions)
16242 (n_insn_conditions): Delete declarations.
16243 (add_c_test, traverse_c_tests): Declare.
16244 * read-rtl.c: Include gensupport.h.
16245 (read_conditions): New function.
16246 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16247 (read_rtx_1): If we get EOF when we were looking for an initial
16248 open paren, return 0. Call read_conditions when appropriate.
16249 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16250 dummy-conditions.o. Eliminate references to insn-conditions.o,
16251 or change them to build/gencondmd.o, as appropriate. Remove
16252 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16253 from $(simple_generated_c). For all files remaining in those
16254 two lists, add insn-conditions.md to the generator command line.
16255 Give insn-constants.h/s-constants their own rules. Add rules
16256 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16257 (build/read-rtl.o): Depend on gensupport.h.
16258 (genprognormal): Include preds.
16259 (genprogearly): Rename genprognoprint; only difference is now that
16260 they don't link with $(BUILD_PRINT).
16261 * dummy-conditions.c: Delete.
16263 2006-01-22 Zack Weinberg <zackw@panix.com>
16265 * genextract.c: Don't include insn-config.h. Do include vec.h.
16266 Declare vectors of int, char, and locstr.
16267 (locstr): New typedef.
16268 (struct extraction): Make all array fields into bare pointers.
16269 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16270 (insn_code_number): Delete.
16271 (accum_extract): New struct.
16272 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16273 (gen_insn): Take insn_code_number as an argument. Use an
16274 accum_extract structure instead of loading data directly into
16275 a struct extraction, and having to know how big it might get.
16276 (walk_rtx): Operate entirely on an accum_extract structure.
16277 (print_path): Avoid unnecessary use of printf.
16278 (print_header): New function, split out of main. Distinguish
16279 more carefully between an unrecognizable insn and an insn that
16280 has the code number of a define_expand.
16281 (main): Pass insn_code_number to gen_insn. Call print_header
16282 only after parsing. Avoid unnecessary use of printf.
16283 * Makefile.in (build/vec.o): New rule.
16284 (build/genextract): Depend on build/vec.o.
16285 (build/genextract.o): Don't depend on insn-config.h.
16287 2006-01-22 Zack Weinberg <zackw@panix.com>
16289 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16290 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16291 practical. Eliminate per-generator-program link rules.
16293 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16295 PR middle-end/24437
16296 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16297 with a call expr to ...
16298 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16300 2006-01-23 Richard Guenther <rguenther@suse.de>
16302 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16303 before make_edge with conditional EDGE_TRUE_VALUE.
16305 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16306 Jan Hubicka <jh@suse.cz>
16307 Richard Guenther <rguenther@suse.de>
16309 PR rtl-optimization/25654
16310 * cfgexpand.c (aggregate_contains_union_type): New function.
16311 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16312 for structure variables that contain a union type.
16314 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16316 * gengtype.c (new_structure): Return the structure.
16317 (create_option): Add an extra "next" argument.
16318 (create_field): New function.
16319 (adjust_field_rtx_def): Use create_option and create_field.
16320 Remove a now-unnecessary call to find_structure.
16321 (adjust_field_tree_def): Likewise.
16322 (note_yacc_type): Remove an unnecessary call to find_structure.
16323 * gengtype.h (new_structure): Return the structure.
16324 (create_option): Add an extra argument.
16325 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16326 (option): Adjust calls to create_option.
16328 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16330 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16332 2006-01-22 Paul Brook <paul@codesourcery.com>
16333 Peter Barada <peter@the-baradas.com>
16335 * config/m68k/m68k.md: Add Coldfire FPU support.
16336 Define FP mode macro and associated attributes.
16337 Use it for float mode patterns.
16338 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16339 (LIBCALL_VALUE): Use m68k_libcall_value.
16340 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16341 (m68k_function_value): Ditto.
16342 (emit_move_sequence): Ditto.
16343 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16344 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16345 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16346 (MULTILIB_EXCEPTIONS): Ditto.
16347 * config/m68k/m68k.opt: Add mcfv4e.
16348 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16349 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16350 (m68k_output_function_prologue): Save ColdFire FPU registers.
16351 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16352 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16353 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16354 ColdFire FPU registers.
16355 (m68k_libcall_value, m68k_function_value): New functions.
16356 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16357 (LIBCALL_VALUE): Use m68k_libcall_value.
16358 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16359 (MASK_COLDFIRE): Add MASK_CFV4E.
16360 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16361 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16362 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16363 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16364 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16365 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16366 * doc/invoke.tex: Document -mcfv4e on m68k.
16368 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16370 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16373 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16376 * c-opts.c (c_common_handle_option): Don't include
16377 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16378 * doc/invoke.texi (C++ Dialect Options): Document that
16379 -Wnon-virtual-dtor is no longer included in -Wall.
16381 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16383 * gcov.c (print_version), gcov-dump.c (print_version),
16384 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16387 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16389 * df-scan.c (problem_SCAN): Added NULL reset function.
16390 (df_scan_reset_blocks): Added code to call reset block function
16391 (df_bb_refs_delete) Fixed comment.
16392 (df_insn_refs_delete): Made tolerant of deleting non existent info
16393 for dataflow problems that need to be reset.
16394 * df-core.c (df_set_blocks): Ditto.
16395 * df.h (struct df_problem): Added reset_fun.
16396 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16397 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16398 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16399 functions to clear out all references to def-use or use-def chains.
16401 2006-01-21 Ben Elliston <bje@au.ibm.com>
16403 * varasm.c (assemble_real): Initialise data array.
16405 2006-01-20 Paul Brook <paul@codesourcery.com>
16407 Merge from csl-arm-branch.
16408 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16409 * config/arm/arm.md (movdi): Force operands[1] to a register
16410 if we have a non-register source.
16411 (*arm_movdi, *movdf_soft_insn): Require that one of the
16412 operands be a register.
16413 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16414 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16416 2006-01-20 DJ Delorie <dj@redhat.com>
16418 * varasm.c (initializer_constant_valid_p): Allow pointers
16419 initialized from integer constants of lesser precision.
16420 (output_constant): Allow non-int-sized pointer modes to be
16421 initialized from integer constants.
16423 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16426 * cppdefault.h (struct default_include): Add multilib flag.
16427 * cppdefault.c (cpp_include_defaults): Set it.
16428 * c.opt (-imultilib): New option.
16429 * c-opts.c (imultilib): New.
16430 (c_common_handle_option): Handle -imultilib.
16431 (c_common_post_options): Likewise.
16432 * c-incpath.c (add_standard_paths, register_include_chains):
16434 * c-incpath.h (register_include_chains): Add extra parameter.
16435 * gcc.c (do_spec_1): Generate -imultilib option.
16436 (The Specs Language): Update %I description.
16437 (process_command): Update copyright notice.
16438 * doc/cppopts.texi (-imultilib): Document.
16439 * doc/invoke.texi (-imultilib): Include in option summary.
16440 (%I): Update specs documentation.
16442 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16444 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16446 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16448 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16451 2006-01-20 Richard Guenther <rguenther@suse.de>
16452 Steven Bosscher <stevenb.gcc@gmail.com>
16454 PR rtl-optimization/24626
16455 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16456 EDGE_TRUE_VALUE if in RTL mode.
16459 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16460 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16462 2006-01-20 Dirk Mueller <dmueller@suse.com>
16465 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16466 instead of a special NOP marker.
16467 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16468 NOP marker handling.
16469 * c-common.h (empty_body_warning): Add forward declaration.
16470 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16471 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16473 2006-01-20 Paul Brook <paul@codesourcery.com>
16475 * Makefile.in (lang_checks): Keep going if mkdir fails.
16477 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16479 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16480 be able to clean out basic block when not necessary.
16481 (df_scan_free): Fixed to properly delete information if df is
16482 unused before calling df_finish.
16483 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16484 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16486 (df_bb_refs_delete): New function.
16487 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16488 * df-core.c (df_set_blocks): Added code to properly clean out
16489 unused blocks if they are not part of the blocks to consider.
16490 Added additional null check.
16491 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16492 be able to clean out basic block when not necessary
16493 * df.h (df_free_bb_function): Ditto.
16494 (df_bb_refs_delete): New function.
16495 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16496 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16497 basic block parameter to be able to clean out basic block when not
16499 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16500 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16501 Fixed to properly delete information if df is unused before
16504 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16506 PR rtl-optimization/25799
16507 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16508 Corrected confluence operator to remove bits from op2 before oring
16509 with op1 rather than removing bits from op1.
16510 (df_ru_transfer_function): Corrected test on wrong bitmap which
16511 caused infinite loop. Both of these problems were introduced in
16512 the dataflow rewrite.
16514 2006-01-19 DJ Delorie <dj@redhat.com>
16516 * reload1.c (find_reload_regs): Note the details of reload
16517 failures in the dump file.
16518 (spill_failure): Likewise.
16520 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16522 * loop-iv.c: Include df.h and hashtab.h.
16523 (enum iv_grd_result): New enum.
16524 (DF_REF_IV, DF_REF_IV_SET): New macros.
16525 (struct biv_entry): New.
16526 (df, bivs): New global variables.
16527 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16528 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16530 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16531 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16532 analyzed_for_bivness_p, record_biv): New functions.
16533 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16534 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16535 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16537 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16539 (iv_number_of_iterations): Use new interface to iv analysis.
16540 * loop-unroll.c: Do not include varray.h.
16541 (analyze_iv_to_split_insn): Use new interface to iv
16543 * loop-unswitch.c (may_unswitch_on): Ditto.
16544 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16546 (df_bb_modify): Realloc tables to the new index.
16547 (df_find_use): New function.
16548 * df.h (df_find_use): Declare.
16549 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16551 * cfgloop.h (struct rtx_iv): Remove analysed field.
16552 (iv_get_reaching_def): Removed.
16553 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16554 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16555 (loop-iv.o): Add df.h and hashtab.h dependency.
16556 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16558 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16561 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16563 (__floatundisf, __floatundidf): Likewise.
16564 * libgcc2.h (IS_IBM_EXTENDED): Define.
16566 2006-01-19 DJ Delorie <dj@redhat.com>
16568 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16570 2006-01-19 Paul Brook <paul@codesourcery.com>
16572 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16573 as nothrow when unwinding tables are disabled.
16575 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16578 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16579 of bit-field" when in system header.
16581 2006-01-19 DJ Delorie <dj@redhat.com>
16583 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16584 the 16 bit shift limit of the m16c.
16586 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16589 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16590 * config/i386/i386.c (output_set_got): Output the label if we have one
16591 for the TARGET_DEEP_BRANCH_PREDICTION case.
16593 2006-01-19 Jan Hubicka <jh@suse.cz>
16594 H.J. Lu <hongjiu.lu@intel.com>
16595 Evandro Menezes <evandro.menezes@amd.com>
16597 * invoke.texi (generic): Document
16599 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16600 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16601 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16602 (x86_use_incdec, x86_pad_returns): New variables
16603 (TARGET_CPU_DEFAULT_generic): New constant
16604 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16605 (enum processor_type): Add generic32 and generic64.
16606 * i386.md (cpu attribute): Add generic32/generic64
16607 (movhi splitter): Behave sanely when both partial_reg_dependency and
16608 partial_reg_stall are set.
16609 (K8 splitters): Enable for generic as well.
16610 * predicates.md (incdec_operand): Use TARGET_INCDEC
16611 (aligned_operand): Avoid memory mismatch stalls.
16612 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16613 * ppro.md: Enable for generic32
16614 * i386.c (generic64_cost, generic32_cost): New.
16615 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16616 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16617 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16618 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16619 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16620 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16621 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16622 x86_accumulate_outgoing_args, x86_prologue_using_move,
16623 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16624 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16625 Enable for generic.
16626 (x86_use_incdec, x86_pad_returns): New.
16627 (override_options): Add generic32 and generic64, translate "generic"
16628 to generic32/generic64 and "i686" to "generic32", refuse
16629 "generic32"/"generic64" as arch target.
16630 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16631 (ix86_reorg): Honor PAD_RETURNS.
16633 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16635 * tree-pretty-print.c (dump_generic_node): Handle
16636 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16637 * cgraph.c (cgraph_expand_queue): Rename from
16638 cgraph_analyze_queue. Update all users.
16639 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16640 cgraph_expand_queue.
16641 (cgraph_expand_all_functions): Likewise.
16642 (cgraph_finalize_pending_functions): Remove. Update callers.
16644 * tree.h (OMP_DIRECTIVE_P): Define.
16645 (OMP_PARALLEL_FN): Define.
16646 (OMP_PARALLEL_DATA_ARG): Define.
16647 (OMP_SECTIONS_SECTIONS): Define.
16648 * tree-pass.h (pass_expand_omp): Declare.
16649 * omp-low.c (struct omp_region): Declare.
16650 (struct omp_context): Remove fields 'parallel_type',
16651 'parallel_start_ix' and 'parallel_start_additional_args'.
16653 (struct omp_for_data): Rename from struct expand_omp_for_data.
16654 (omp_regions): New static variable.
16655 (root_omp_region): New static variable.
16656 (find_omp_clause): Make static.
16657 (is_in_combined_parallel_ctx): Remove.
16658 (is_combined_parallel): New.
16659 (extract_omp_for_data): Move earlier in the file.
16660 (workshare_safe_to_combine_p): New.
16661 (get_ws_args_for): New.
16662 (determine_parallel_type): Move earlier in the file.
16663 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16665 (omp_copy_decl): Likewise.
16666 (create_omp_child_function): Likewise.
16667 (lookup_omp_region): New.
16668 (dump_omp_region): New.
16669 (debug_omp_region): New.
16670 (debug_all_omp_regions): New.
16671 (new_omp_region): New.
16672 (scan_omp_parallel): If parallel_nesting_level > 1, the
16673 directive is nested within another parallel directive.
16674 Set OMP_PARALLEL_FN.
16675 (scan_omp_for): Do not try to handle combined parallel+for
16677 Remove FIXME comment.
16678 (scan_omp_nested): Remove.
16679 (scan_omp_1): Do not call scan_omp_nested when
16680 parallel_nesting_level is > 1.
16681 Do not change the DECL_CONTEXT of local variables found.
16682 (lookup_decl_in_outer_ctx): New.
16683 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16684 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16685 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16686 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16687 If CTX is nested, lookup VAR in the outer context when
16688 building copy assignment.
16689 (lower_send_clauses): Rename from expand_send_clauses.
16690 If CTX is nested, lookup VAR in the outer context when
16691 building copy assignments.
16692 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16693 If CTX is nested, lookup VAR in the outer context when
16694 building copy assignments.
16695 (expand_parallel_call): Rename from build_parallel_call.
16696 Handle combined parallel+workshare cases.
16697 Re-implement to emit code into the CFG.
16699 (expand_omp_parallel): Re-implement to emit code into the CFG.
16700 Call move_sese_region_to_fn to outline the sub-graph
16701 containing the parallel region.
16702 (expand_omp_for_1): Remove.
16703 (expand_omp_for_generic): Re-implement to emit code into the
16705 (expand_omp_for_static_nochunk): Likewise.
16706 (expand_omp_for_static_chunk): Likewise.
16707 (expand_omp_for): Likewise.
16708 (expand_omp_sections): Likewise.
16709 (remove_exit_barriers): New.
16710 (expand_omp_synch): New.
16712 (build_omp_regions_1): New.
16713 (build_omp_regions): New.
16714 (execute_expand_omp): New.
16715 (gate_expand_omp): New.
16716 (pass_expand_omp): Define.
16717 (lower_omp_sections): Rename from expand_omp_sections.
16718 Set OMP_SECTIONS_SECTIONS.
16719 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16720 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16721 (lower_omp_single): Rename from expand_omp_simple.
16722 (lower_omp_master): Rename from expand_omp_master.
16723 (lower_omp_ordered): Rename from expand_omp_ordered.
16724 (lower_omp_critical): Rename from expand_omp_critical.
16725 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16726 (lower_omp_for): Re-implement.
16727 (lower_omp_parallel): Re-implement.
16728 (lower_regimplify): Rename from expand_regimplify.
16729 (lower_omp_1): Rename from expand_omp_1.
16730 If there are syntax errors in the program, replace every
16731 OpenMP directive with NOP.
16732 Call lower_omp_* instead of expand_omp_*.
16733 (lower_omp): Rename from expand_omp.
16735 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16736 * tree-gimple.h (enum omp_parallel_type): Remove.
16737 (gimple_boolify): Declare extern.
16738 (find_omp_clause, determine_parallel_type): Remove.
16740 * gimple-low.c (lower_omp_directive): New.
16741 (lower_stmt): Call it.
16742 (record_vars_into): Move from ...
16743 (record_vars): ... here.
16744 Call record_vars_into with current_function_decl.
16746 * gimplify.c (struct gimplify_ctx): Remove fields
16747 combined_pre_p and combined_ctxp. Update users.
16748 (get_formal_tmp_var): Add documentation.
16749 (gimple_boolify): Make extern.
16750 (gimplify_expr_in_ctx): Remove. Update callers.
16751 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16752 will always be a BIND_EXPR.
16753 (gimplify_expr): Handle OMP_RETURN_EXPR.
16754 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16755 (OMP_PARALLEL): Add 3 operands.
16756 (OMP_SECTIONS): Add 1 operand.
16757 (OMP_RETURN_EXPR): Define.
16759 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16760 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16761 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16762 creating a circular free list.
16763 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16765 * tree-flow.h (move_sese_region_to_fn): Declare.
16766 (record_vars_into): Declare.
16767 * tree-cfg.c (make_omp_sections_edges): New.
16768 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16769 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16770 OMP_SECTIONS and OMP_SECTION.
16771 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16772 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16773 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16774 (gather_blocks_in_sese_region): New.
16775 (struct move_stmt_d): Declare.
16776 (move_stmt_r): New.
16777 (move_block_to_fn): New.
16778 (move_sese_region_to_fn): New.
16780 * passes.c (init_optimization_passes): Schedule
16781 pass_expand_omp after pass_init_datastructures.
16783 * tree-ssa-operands.c (get_expr_operands): Handle
16784 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16785 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16787 2006-01-19 Jeff Law <law@redhat.com>
16789 * tree-vrp.c (extract_range_from_assert): Refine the result range
16790 if the variable referenced by the ASSERT_EXPR has a range and
16791 either the tentative result range or the previous range is a
16794 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16796 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16798 2006-01-19 Jan Hubicka <jh@suse.cz>
16800 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16802 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16804 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16805 (expand_compound_operation, expand_field_assignment): Fail if the
16806 bit lengths of an extract operation are out of range.
16807 (make_extraction): Compute wanted_inner_mode based on the position
16808 and length of the extraction. Make it extraction_mode for non-constant
16809 positions, and do not modify offset in that case. When generating a
16810 new MEM, use a mode that can hold the extraction while keeping correct
16811 alignment. Remove code that supported MEMs wrapped by USEs.
16812 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16814 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16816 * config/s390/s390.md ("Y", "y"): New mode attribute.
16817 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16818 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16819 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16820 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16821 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16822 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16823 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16824 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16825 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16826 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16827 "addsi3", "subsi3"): Insn patterns removed.
16828 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16829 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16830 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16831 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16832 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16833 "*sub<mode>3_cconly2"): New insn patterns.
16834 ("addsi3", "subsi3"): New expanders.
16836 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16838 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16839 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16840 existing STMT_VINFO_VECTYPE if available.
16841 (vect_mark_relevant): Add special handling for stmts that are
16842 marked as STMT_VINFO_IN_PATTERN_P.
16843 (vect_analyze_loop): Call vect_pattern_recog.
16844 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16845 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16847 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16848 (vect_recog_func_ptr): New function-pointer type.
16849 * tree-vect-patterns.c: New file.
16850 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16851 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16852 (vect_pattern_recog_1): New functions.
16853 (vect_pattern_recog_funcs): New array of function pointers.
16855 * tree-vectorizer.h (ternary_op): New enum value.
16856 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16857 declaration. Revised documentation. Removed redundant dump prints.
16858 Removed redundant argument. Added support for reduction patterns.
16859 (vectorizable_reduction): Added support for reduction patterns.
16860 (vect_transform_stmt): Added support for patterns.
16862 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16863 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16864 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16865 (expand_widen_pattern_expr): New function.
16866 (init_optabs): Initialize new optabs udot_prod_optab,
16868 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16869 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16870 (expand_widen_pattern_expr): New function declaration.
16871 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16873 * tree-inline.c (estimate_num_insns_1): Added cases for new
16874 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16875 * tree-pretty-print.c (dump_generic_node): Likewise.
16876 (op_prio): Likewise.
16877 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16878 * tree-ssa-operands.c (get_expr_operands): Added case for
16880 * tree-vect-patterns.c (widened_name_p): New function.
16881 (vect_recog_dot_prod_pattern): Added function implementation.
16882 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16883 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16884 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16885 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16887 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16888 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16889 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16890 (init_optabs): Initialize new optabs widen_ssum_optab,
16892 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16893 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16894 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16895 use instead of type of def.
16896 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16897 function implementation.
16898 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16899 widen_ssumv8hi): New.
16901 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16904 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16907 * c-decl.c (add_flexible_array_elts_to_size): New function.
16908 (finish_decl): Use it.
16910 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16912 * diagnostic.h: Include options.h.
16913 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16914 dependancies for diagnostic.h.
16915 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16917 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16919 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16920 (ssa_ro_call_cache_valid): Ditto.
16921 * tree-ssa-alias.c (sort_tags_by_id): New function.
16922 (init_transitive_clobber_worklist): Ditto.
16923 (add_to_worklist): Ditto.
16924 (mark_aliases_call_clobbered): Ditto.
16925 (compute_tag_properties): Ditto.
16926 (set_initial_properties): Ditto.
16927 (compute_call_clobbered): Ditto.
16928 (compute_may_aliases): Call compute_call_clobbered and grouping.
16929 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16930 (compute_flow_insensitive_aliasing): Grouping now happens in our
16932 (setup_pointers_and_addressables): Remove clobbering related code.
16933 (add_may_alias): Ditto.
16934 (replace_may_alias): Ditto.
16935 (get_nmt_for): Ditto.
16936 (create_global_var):
16937 (is_escape_site): Return an escape_type enumeration.
16938 * tree-flow-inline.h (is_call_clobbered): Global var does not
16939 imply call clobbered.
16940 (mark_call_clobbered): Take a reason for marking this. Remove
16941 marking of globalness, and cache invalidation.
16942 (clear_call_clobbered): Remove cache invalidation code.
16943 * tree-dfa.c (dump_variable): If details is on, dump the reason
16945 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16947 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16948 (struct var_ann_d): Ditto.
16949 (enum escape_type): New.
16950 (mark_call_clobbered): Adjust prototype.
16951 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16952 are never call clobbered.
16953 Record reasons for escaping.
16954 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16955 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16956 (ssa_ro_call_cache_valid): Ditto.
16957 (clobbered_v_may_defs): Ditto.
16958 (clobbered_vuses): Ditto.
16959 (ro_call_vuses): Ditto.
16960 (clobber_stats): New.
16961 (init_ssa_operands): Zero out clobber stats.
16962 (fini_ssa_operands): Print out clobber stats.
16963 (get_call_expr_operands): Pass callee fndecl to
16964 add_call_read_ops).
16965 (add_call_clobber_ops): Remove use of cache.
16966 Add use of PURE_CONST information.
16967 (add_call_read_ops): Remove use of cache.
16968 Add use of static not_read information.
16970 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16972 Introduce TLS descriptors for i386 and x86_64.
16973 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16974 (TARGET_ANY_GNU_TLS): New macro.
16975 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16976 (struct machine_function): Add tls_descriptor_call_expanded_p.
16977 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16978 (ix86_current_function_calls_tls_descriptor): Likewise.
16979 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16980 (override_options): Introduce gnu2 tls dialect.
16981 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16983 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16985 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16986 (ix86_init_machine_status): Initialize new field.
16987 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16988 (ix86_tls_module_base): New.
16989 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16990 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16991 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16992 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16993 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16994 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16995 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16996 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16997 * config/i386/predicates.md (tls_modbase_operand): New.
16998 (tp_or_register_operand): New.
17000 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17002 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17003 (look_for_address_of): Ditto.
17004 (ipa_init): Walk the function decls.
17005 (static_execute): Don't set readonly on FUNCTION_DECL's.
17007 2006-01-18 Roger Sayle <roger@eyesopen.com>
17009 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17010 for shifts where the source and destination registers are different.
17012 2006-01-18 Paul Brook <paul@codesourcery.com>
17014 Merge from csl-arm-branch.
17015 2005-03-14 Julian Brown <julian@codesourcery.com>
17016 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17017 (aeabi_llsl): Likewise.
17018 (ashrdi3): Likewise.
17019 (aeabi_lasr): Likewise.
17020 (lshrdi3): Likewise.
17021 (aeabi_llsr): Likewise.
17022 2005-03-10 Julian Brown <julian@codesourcery.com>
17023 * config.gcc: Disable shared libgcc for SymbianOS.
17024 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17026 2006-01-18 DJ Delorie <dj@redhat.com>
17028 * c-pragma.c (handle_pragma_diagnostic): New.
17029 (init_pragma): Register it.
17030 * doc/extend.texi: Document it.
17032 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17033 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17034 (diagnostic_context): Add classify_diagnostic[].
17035 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17036 as errors if they're overridden to DK_WARNING.
17037 (diagnostic_initialize): Initialize classify_diagnostic[].
17038 (diagnostic_set_kind_override): New.
17039 (diagnostic_report_diagnostic): Check for kind changes.
17040 * opts.c (common_handle_option): Take lang_mask. Update callers.
17041 Handle OPT_Werror_.
17042 * common.opt (Werror=): New.
17043 * doc/invoke.texi: Document -Werror=*
17045 2006-01-18 Jeff Law <law@redhat.com>
17047 * tree-vrp.c (test_for_singularity): Correct test for new
17048 min limit. Use operand_equal_p rather than pointer equality
17049 for testing if new min/max values are equal.
17051 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17052 using range information until after propagation and folding.
17054 2006-01-18 Richard Henderson <rth@redhat.com>
17055 Aldy Hernandez <aldyh@redhat.com>
17056 Jakub Jelinek <jakub@redhat.com>
17057 Diego Novillo <dnovillo@redhat.com>
17059 * omp-low.c: New file.
17060 * c-omp.c: New file.
17062 2006-01-18 Richard Henderson <rth@redhat.com>
17063 Jakub Jelinek <jakub@redhat.com>
17064 Diego Novillo <dnovillo@redhat.com>
17066 * doc/invoke.texi: Document -fopenmp.
17067 * tree-dump.h (debug_function): Declare.
17068 * hooks.c (hook_bool_tree_bool_false): New function.
17069 (hook_tree_tree_null): Remove.
17070 (hook_tree_tree_tree_null): New.
17071 * hooks.h: Update to match.
17072 * tree-pretty-print.c (debug_tree_chain): New.
17073 (print_generic_expr): Handle TDF_CHAIN.
17074 (dump_generic_node): Handle BLOCK.
17075 Do not abort with incomplete SWITCH_EXPRs.
17076 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17077 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17078 print space after directive name.
17079 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17080 Handle OMP_MASTER and OMP_ORDERED.
17081 Handle printing of OMP_BODY just in one place, goto
17082 dump_omp_body in the rest of OMP_* nodes that have
17084 Don't handle clause nodes here. Update omp statements to
17085 use dump_omp_clauses.
17086 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17087 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17088 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17089 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17090 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17091 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17092 Adjust output for GOMP_PARALLEL.
17093 (dump_omp_clauses): New.
17094 (print_declaration): Dump DECL_VALUE_EXPR.
17095 (op_symbol_1): Split out of op_symbol.
17096 (dumping_stmts): Remove. Update all users.
17097 * cgraph.c (cgraph_analyze_queue): New.
17098 (cgraph_add_new_function): New.
17099 * cgraph.h (cgraph_analyze_queue): Declare.
17100 (cgraph_add_new_function): Declare.
17101 (cgraph_lower_function): Remove.
17102 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17103 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17104 and TYPE_P nodes in its default clause.
17105 (empty_body_p): New.
17106 (tree_range_check_failed): New.
17107 (build5_stat): New.
17108 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17109 OMP_CLAUSE_REDUCTION_MERGE,
17110 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17111 OMP_CLAUSE_PRIVATE_DEBUG,
17112 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17113 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17114 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17115 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17116 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17117 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17118 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17119 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17120 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17121 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17122 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17123 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17124 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17125 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17126 (TREE_RANGE_CHECK): New.
17127 (empty_body_p): Declare.
17128 (enum omp_clause_default_kind): New.
17129 (build_string_literal): Declare.
17130 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17131 (build5_stat, build5): Declare.
17132 * tree-pass.h (TDF_CHAIN): Define.
17133 * tree-pass.h (PROP_gimple_lomp): Define.
17134 (pass_lower_omp): Declare.
17135 * diagnostic.h (debug_tree_chain): Declare.
17136 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17138 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17139 * builtins.c (build_string_literal): Make extern.
17140 * gcc.c (include_spec_function): New.
17141 (static_spec_functions): Add it.
17142 (main): Move load of libgomp.spec ...
17143 (LINK_COMMAND_SPEC): ... here.
17144 (link_gomp_spec): New.
17145 (static_specs): Include it.
17146 (LINK_COMMAND_SPEC): Add link_gomp.
17147 (GOMP_SELF_SPECS): New.
17148 (driver_self_specs): Include it.
17149 (switch_matches): Don't mark inline.
17150 (main): Load libgomp.spec.
17151 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17152 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17153 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17154 * tree-gimple.h (enum omp_parallel): Declare.
17155 (determine_parallel_type): Declare.
17156 (omp_firstprivatize_variable): Declare.
17157 (omp_reduction_init): Declare.
17158 (diagnose_omp_structured_block_errors): Declare.
17159 (struct walk_stmt_info): Add want_return_expr.
17160 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17161 (find_omp_clause): Declare.
17162 (insert_field_into_struct): Declare.
17163 (struct walk_stmt_info): Move from tree-nested.c
17164 (walk_stmts): Declare.
17165 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17167 * cgraphunit.c (cgraph_lower_function): Make static.
17168 (cgraph_finalize_pending_functions): New.
17169 (cgraph_finalize_function): Call it.
17170 (cgraph_finalize_compilation_unit): Likewise.
17171 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17172 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17173 (BT_FN_UINT_UINT): New.
17174 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17175 DEF_FUNCTION_TYPE_VAR_4): Document.
17176 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17177 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17178 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17179 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17180 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17181 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17182 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17183 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17184 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17185 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17186 into separate files.
17187 (DEF_GOMP_BUILTIN): New.
17188 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17189 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17190 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17191 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17192 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17193 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17194 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17195 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17196 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17197 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17198 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17199 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17200 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17201 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17202 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17203 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17204 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17205 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17206 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17207 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17208 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17209 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17210 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17211 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17212 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17213 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17214 * sync-builtins.def: New file, moved from builtins.def.
17215 * omp-builtins.def: New file, moved from builtins.def.
17216 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17217 * gimple-low.c (lower_function_body): Clear data.
17218 (lower_stmt): Do not handle COMPOUND_EXPR.
17219 Remove call to print_node_brief.
17220 * c-tree.h (c_finish_omp_clauses): New prototype.
17221 (C_DECL_THREADPRIVATE_P): Define.
17222 (lookup_name_no_remap, c_omp_remap_private): Remove
17223 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17224 (check_for_loop_decls): Update decl.
17225 (lookup_name_no_remap, c_omp_remap_private): Declare.
17226 (build_indirect_ref, build_modify_expr, pushdecl,
17227 pushdecl_top_level): Move to c-common.h.
17228 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17229 before the switch, but just in the 2 places that need it.
17230 * c-decl.c (diagnose_mismatched_decls): Do not check for
17231 mismatched thread-local attributes when OLDDECL is marked
17232 threadprivate and NEWDECL has no thread-local attributes.
17233 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17234 (c_gimple_diagnostics_recursively): Rename from
17235 c_warn_unused_result_recursively. Invoke
17236 diagnose_omp_structured_block_errors.
17237 (check_for_loop_decls): Return a singular decl found.
17238 * langhooks.c (lhd_omp_predetermined_sharing): Return
17239 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17240 (lhd_omp_firstprivatize_type_sizes): New.
17241 (lhd_omp_assignment): New.
17242 (lhd_omp_predetermined_sharing): New.
17243 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17244 (struct lang_hooks_for_types): Add
17245 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17246 omp_predetermined_sharing, omp_disregard_value_expr,
17247 omp_private_debug_clause, omp_clause_default_ctor,
17248 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17249 (c_finish_omp_clauses): New.
17250 (c_finish_bc_stmt): Diagnose break within omp for.
17251 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17252 (build_unary_op): Return error_mark after reporting
17254 (build_modify_expr): Likewise.
17255 * gimplify.c: Include optabs.h and pointer-set.h.
17256 (enum gimplify_omp_var_data): Declare.
17257 (struct gimplify_omp_ctx): Declare.
17258 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17260 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17261 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17262 (splay_tree_compare_decl_uid): New.
17263 (new_omp_context): New.
17264 (delete_omp_context): New.
17265 (gimple_add_tmp_var): Call omp_add_variable.
17266 (gimplify_bind_expr): Likewise.
17267 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17268 true, disregard DECL_VALUE_EXPR on the decl if any.
17269 (gimplify_expr_in_ctx): New.
17270 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17271 omp_add_variable, omp_notice_variable, omp_is_private
17272 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17273 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17274 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17275 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17276 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17277 gimplify_omp_atomic): New.
17278 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17279 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17280 OMP_CRITICAL and OMP_ATOMIC.
17281 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17282 * c-pragma.h (enum pragma_kind): Add
17283 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17284 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17285 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17286 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17287 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17288 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17289 PRAGMA_OMP_THREADPRIVATE.
17290 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17291 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17292 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17293 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17294 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17295 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17296 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17297 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17298 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17299 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17300 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17301 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17302 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17304 (struct nesting_info): Add field_map,
17305 suppress_expansion, debug_var_chain.
17306 (create_nesting_tree): Initialize them.
17307 (lookup_field_for_decl): Use field_map.
17308 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17309 (convert_local_omp_clauses): New.
17310 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17311 (walk_body): Split out of walk_function.
17312 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17313 (convert_nonlocal_reference): Handle omp statements.
17314 (convert_local_reference): Likewise.
17315 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17316 (unnest_nesting_tree): New.
17317 (lower_nested_functions): Call it.
17318 (insert_field_into_struct): Make extern.
17319 (struct walk_stmt_info): Move to tree-gimple.h.
17320 (walk_stmts): Make extern.
17321 * omp-builtins.def: New file.
17322 * tree-iterator.c (expr_only): Clarify comment.
17323 * c-common.h (pushdecl_top_level, pushdecl,
17324 build_modify_expr, build_indirect_ref,
17325 c_finish_omp_master, c_finish_omp_critical,
17326 c_finish_omp_ordered, c_finish_omp_barrier,
17327 c_finish_omp_atomic, c_finish_omp_flush,
17328 c_finish_omp_for, c_split_parallel_clauses,
17329 omp_clause_default_kind, c_omp_sharing_predetermined,
17330 c_omp_remap_decl): Declare.
17331 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17332 (OBJS-common): Add omp-low.o.
17333 (c-omp.o, omp-low.o): Add.
17334 (gimplify.o): Add dependency on $(OPTABS_H).
17335 (GTFILES): Add omp-low.c.
17336 (gt-stringpool.h): Add.
17337 * tree-cfg.c (set_bb_for_stmt): Do not update the
17338 block-to-labels map if we are currently expanding to RTL.
17339 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17341 Handle IDENTIFIER_NODE.
17342 (tree_verify_flow_info): Do not ICE when emitting error
17343 messages about invalid labels.
17344 (dump_function_to_file): Reset CFUN before emitting the body
17346 (debug_function): New.
17347 * passes.c (init_optimization_passes): Schedule
17349 * langhooks-def.h (lhd_omp_predetermined_sharing,
17350 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17352 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17353 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17354 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17355 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17356 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17357 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17358 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17359 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17360 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17361 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17362 (LANG_HOOK_DECLS): Use them.
17364 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17365 Richard Henderson <rth@redhat.com>
17366 Jakub Jelinek <jakub@redhat.com>
17367 Diego Novillo <dnovillo@redhat.com>
17369 * c-parser.c (pragma_omp_clause): Define.
17370 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17371 (c_parser_compound_statement): Likewise.
17372 (c_parser_statement): Likewise.
17373 (c_parser_pragma): Handle omp pragmas.
17374 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17375 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17376 (c_parser_omp_clause_name, check_no_duplicate_clause,
17377 c_parser_omp_variable_list,
17378 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17379 c_parser_omp_clause_copyprivate,
17380 c_parser_omp_clause_default,
17381 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17382 c_parser_omp_clause_lastprivate,
17383 c_parser_omp_clause_nowait,
17384 c_parser_omp_clause_num_threads,
17385 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17386 c_parser_omp_clause_reduction,
17387 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17388 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17389 c_parser_omp_atomic, c_parser_omp_barrier,
17390 c_parser_omp_critical, c_parser_omp_flush,
17391 c_parser_omp_for_loop, c_parser_omp_for,
17392 c_parser_omp_master, c_parser_omp_ordered,
17393 c_parser_omp_sections_scope, c_parser_omp_sections,
17394 c_parser_omp_parallel, c_parser_omp_single,
17395 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17396 * c-pragma.c (init_pragma): Do omp pragma registration here.
17397 * c.opt (fopenmp): New flag.
17399 2006-01-18 Eric Christopher <echristo@apple.com>
17401 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17402 * config/darwin.h (GOMP_SELF_SPECS): Define.
17404 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17406 * rtl.h: Remove the prototype for reg_alloc.
17408 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17411 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17412 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17413 sjlj and dwarf2 exception handling.
17414 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17415 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17416 * pa/pa.c (function_value): Treat complex and vector types as
17418 (function_arg): Likewise. Only pass scalar floats in the floating
17419 point argument registers.
17420 * pa/t-slibgcc-dwarf-ver: New file.
17421 * pa/t-slibgcc-sjlj-ver: New file.
17422 * pa/t-slibgcc-elf-ver: Delete file.
17424 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17426 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17427 unlikely_test_section_p test.
17429 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17431 * mode-switching.c (optimize_mode_switching): Make it static.
17432 * basic-block.h: Remove the prototype for
17433 optimize_mode_switching.
17435 * modulo-sched.c (sms_schedule): Make it static.
17436 * rtl.h: Remove the prototype for sms_schedule.
17438 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17439 * rtl.h: Remove the prototype for gcse_after_reload_main.
17441 * reg-stack.c (reg_to_stack): Make it static.
17442 * rtl.h: Remove the prototype for reg_to_stack.
17444 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17446 * rtl.h: Remove the prototypes for regrename_optimize and
17447 copyprop_hardreg_forward.
17449 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17451 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17452 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17453 Test against the appropriate null constant for the mode.
17454 If 'fixup_overlap' is true, swap the operands if they overlap.
17455 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17456 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17457 alpha_split_tmode_pair and adjust for above change.
17458 * config/alpha/alpha.md (movtf_internal): Adjust call to
17459 alpha_split_tfmode_pair and rely on it to swap the operands.
17460 (movti_internal): New insn and post-reload splitter.
17461 (movti): New expander.
17463 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17465 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17468 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17470 * rtlanal.c (global_reg_mentioned_p_1,
17471 global_reg_mentioned_p): Remove.
17472 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17474 * flow.c (initialize_uninitialized_subregs): Make it static.
17475 * rtl.h: Remove the prototype for
17476 initialize_uninitialized_subregs.
17478 * function.c (instantiate_virtual_regs): Make it static.
17479 * function.h: Remove the prototype for
17480 instantiate_virtual_regs.
17482 * regmove.c (regmove_optimize, combine_stack_adjustments):
17484 * rtl.h: Remove the prototypes for regmove_optimize and
17485 combine_stack_adjustments.
17487 2006-01-17 Roger Sayle <roger@eyesopen.com>
17489 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17490 (size_cost): Encode costs in bytes so that a reg-reg addition is
17491 equivalent to COSTS_N_INSNS(1).
17492 (override_options): Use the size_cost.branch_cost as the default
17493 ix86_branch_cost when optimizing for size.
17495 2006-01-18 Ben Elliston <bje@au.ibm.com>
17497 * Makefile.in (D32PBIT_FUNCS): New.
17498 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17499 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17500 D64PBIT_FUNCS and D128PBIT_FUNCS.
17501 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17502 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17504 (decnumber_dep): Define.
17505 * doc/libgcc.texi (Decimal float library routines): New node.
17506 * config/dfp-bit.h, config/dfp-bit.c: New files.
17508 2006-01-18 Ben Elliston <bje@au.ibm.com>
17510 * expr.c (emit_move_change_mode): Always adjust addresses, not
17511 just during reload. Copy replacements only during reload.
17512 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17513 emit_move_via_integer.
17515 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17517 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17518 instead of $(srcdir) and ${srcdir}.
17520 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17523 PR middle-end/11135
17524 * arm.h (struct machine_function): Add pic_reg.
17525 * arm.c (arm_pic_register): Make unsigned.
17526 (arm_override_options): Only set arm_pic_register if
17527 TARGET_SINGLE_PIC_BASE.
17528 (use_return_insn): Only test for a pic register if it is fixed.
17529 (arm_compute_save_reg0_reg12_mask): Likewise.
17530 (thumb_compute_save_reg_mask): Likewise.
17531 (legitimate_pic_operand): Factor out some known invariants.
17532 (legitimize_pic_address): If we don't have a fixed pic register,
17533 then set up a pseudo in the function entry sequence. Handle the
17534 pic base being in a pseudo.
17535 (arm_load_pic_register): Handle the pic register being in a pseudo.
17536 (arm_expand_prologue): Only set up the pic register if it is fixed.
17537 (thumb_expand_prologue): Likewise.
17538 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17539 (pic_load_addr_based_insn): Likewise.
17540 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17543 2006-01-18 Ben Elliston <bje@au.ibm.com>
17545 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17546 decimal float modes for all floating point registers.
17548 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17549 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17551 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17554 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17555 even when the pointer is not NULL.
17557 2006-01-16 Ian Lance Taylor <ian@airs.com>
17559 * common.opt (ftoplevel-reorder): New option.
17560 * cgraph.c (cgraph_asm_nodes): New global variable.
17561 (cgraph_asm_last_node): New static variable.
17562 (cgraph_order): New global variable.
17563 (cgraph_create_node): Set new order field.
17564 (cgraph_varpool_node): Likewise.
17565 (decide_is_variable_needed): Return true if not
17566 flag_toplevel_reorder.
17567 (cgraph_add_asm_node): New function.
17568 * cgraph.h (struct cgraph_node): Add order field.
17569 (struct cgraph_varpool_node): Add order field.
17570 (struct cgraph_asm_node): Define.
17571 (cgraph_asm_nodes, cgraph_order): Declare.
17572 (cgraph_add_asm_node): Declare.
17573 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17575 (cgraph_varpool_assemble_pending_decls): Call it.
17576 (cgraph_output_pending_asms): New static function.
17577 (cgraph_finalize_compilation_unit): Call it.
17578 (struct cgraph_order_sort): Define.
17579 (cgraph_output_in_order): New static function.
17580 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17581 !flag_toplevel_reorder case.
17582 * c-parser.c: Include "cgraph.h".
17583 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17585 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17586 than -fno-unit-at-a-time.
17587 * doc/invoke.texi (Option Summary): Mention
17588 -fno-toplevel-reorder.
17589 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17590 -funit-at-a-time documentation.
17592 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17593 Kazu Hirata <kazu@codesourcery.com>
17595 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17597 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17599 * Makefile.in (FUNCTION_H): New. Use it instead of
17600 function.h throughout the file.
17601 * function.h: Include tree.h.
17603 2006-01-17 Ben Elliston <bje@au.ibm.com>
17605 * recog.c: Separate some functions with whitespace.
17607 2006-01-16 Richard Henderson <rth@redhat.com>
17609 Merge from gomp branch:
17610 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17611 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17612 and rename from struct inline_data. Rename callee* to dst*;
17613 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17614 transform_new_cfg, transform_return_to_modify, and
17615 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17617 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17618 (copy_decl_for_dup): Remove.
17619 * tree-inline.c (struct inline_data): Move to header.
17620 (insert_decl_map): Export.
17621 (remap_decl): Update for member name changes. Use copy_decl hook.
17622 Allow for replacement to be a non-decl. Remove dead code.
17623 (remap_type_1): Check for existing mapping.
17624 (remap_type): Export.
17625 (remap_decls): Update for member name changes.
17626 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17627 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17628 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17629 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17630 (tree_function_versioning, build_duplicate_type): Likewise.
17631 (copy_body_r): Likewise. Export.
17632 (copy_decl_for_dup): Split into ...
17633 (copy_decl_for_dup_finish, copy_decl_to_var,
17634 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17635 (replace_ref_tree, inlining_p): Remove.
17637 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17639 * ifcvt.c (if_convert): Make it static.
17640 * rtl.h: Remove the prototype for if_convert.
17642 * local-alloc.c (local_alloc): Make it static.
17643 * rtl.h: Remove the prototype for local_alloc.
17645 * loop.c (loop_optimize): Make it static.
17646 * cfgloop.h: Remove the prototype for loop_optimize.
17649 2006-01-16 DJ Delorie <dj@redhat.com>
17651 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17654 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17656 * pa.md: Disparage copies between general and floating-point registers
17657 in 32-bit move patterns.
17659 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17662 * Makefile.in (check-%): Depend on site.exp instead of
17663 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17666 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17668 * global.c (global_alloc): Make it static.
17669 * rtl.h: Remove the prototype for global_alloc.
17671 2006-01-16 Richard Guenther <rguenther@suse.de>
17673 * tree-ssa-alias.c (struct used_part): Add write_only field.
17674 (get_or_create_used_part_for): Initialize it to true.
17675 (create_overlap_variables_for): Don't create structure variables
17676 for structures that only are written to.
17677 (find_used_portions): Handle MODIFY_EXPR to track whether a
17678 structure is only written to.
17680 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17682 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17684 * basic-block.h: Remove the prototype for
17685 partition_hot_cold_basic_blocks.
17687 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17689 * cppspec.c (lang_specific_spec_functions): Remove.
17690 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17691 * gcc.h (lang_specific_spec_functions): Remove.
17692 * gccspec.c (lang_specific_spec_functions): Remove.
17694 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17696 * combine.c (record_value_for_reg): Invalidate registers
17698 (record_dead_and_set_regs_1): Likewise, by passing them to
17699 record_value_for_reg.
17700 (record_dead_and_set_regs): Invalidate stores made by a
17701 call. We do not combine across a call, but we still
17702 relied on equivalences.
17704 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17706 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17707 vrp_int_const_binop returning non-constant nodes.
17709 2006-01-16 Paul Brook <paul@codesourcery.com>
17711 * config/m68k/m68k.c (output_move_const_into_data_reg):
17712 Output correct mnemonic for mvz and mvs.
17714 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17716 * rtl-factoring.c: Add sequence abstraction algorithm.
17717 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17718 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17720 (block_has_preserve_label): New function.
17721 * common.opt: Register new pass.
17722 * Makefile.in: Ditto.
17724 * timevar.def: Ditto.
17725 * tree-pass.h: Ditto.
17726 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17727 * rtl.h (make_jump_insn_raw): Add forward decl.
17728 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17730 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17731 Roger Sayle <roger@eyesopen.com>
17733 * fold-const.c (fold_minmax): New static function.
17734 (fold_binary) <MIN_EXPR>: Call it.
17735 <MAX_EXPR>: Likewise.
17736 * stor-layout.c (place_field): Use DECL_SIZE consistently
17737 in the computation of the new record size.
17739 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17741 * cse.c (cse_condition_code_reg): Make it static.
17742 * rtl.h: Remove the prototype for cse_condition_code_reg.
17744 * combine.c (combine_instructions): Make it static.
17745 * rtl.h: Remove the prototype for combine_instructions.
17747 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17750 * tree.c (get_file_function_name_long): Concatenate the first global
17751 object name with a string derived from the input filename of the object
17754 2006-01-16 Ben Elliston <bje@au.ibm.com>
17756 * config/i386/winnt-stubs.c: Update FSF address.
17757 * config/xtensa/ieee754-df.S: Ditto.
17758 * config/xtensa/ieee754-sf.S: Ditto.
17760 2006-01-14 Ian Lance Taylor <ian@airs.com>
17762 * ifcvt.c (noce_init_if_info): New static function, broken out of
17763 noce_process_if_block.
17764 (noce_process_if_block): Call noce_init_if_info.
17765 (check_cond_move_block): New static function.
17766 (cond_move_process_if_block): New static function.
17767 (process_if_block): Call cond_move_process_if_block.
17769 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17771 * cselib.c (hash_table): Rename to cselib_hash_table.
17772 (cselib_clear_table, discard_useless_values,
17773 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17774 cselib_init, cselib_finish): Adjust uses of hash_table.
17776 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17778 PR tree-optimization/25485
17779 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17780 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17781 is known to be false and true, respectively.
17783 2006-01-14 Richard Guenther <rguenther@suse.de>
17785 PR tree-optimization/22548
17786 PR tree-optimization/22555
17787 PR tree-optimization/22501
17788 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17789 * params.def (salias-max-array-elements): New parameter.
17790 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17791 * doc/invoke.texi (salias-max-array-elements): Document.
17792 * tree-flow-inline.h (var_can_have_subvars): We also handle
17794 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17796 * tree-ssa-structalias.c (params.h): Include.
17797 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17798 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17799 (get_constraint_for): For ADDR_EXPR operating on something
17800 containing an ARRAY_REF, add all subvars to the solution.
17801 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17802 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17803 for creating MUST_DEFs.
17804 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17806 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17808 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17810 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17811 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17812 number_of_iterations_le): New functions.
17813 (number_of_iterations_special): Removed.
17814 (number_of_iterations_exit): Do not use number_of_iterations_special.
17815 * tree.c (unsigned_type_for): Always return integer type.
17817 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17818 Richard Guenther <rguenther@suse.de>
17820 PR rtl-optimization/24257
17821 * gcse.c (find_moveable_store): Only consider a store movable
17822 when the SET_SRC of the insn can be assigned to a register.
17824 2006-01-14 Ian Lance Taylor <ian@airs.com>
17826 * tree.c (tree_not_class_check_failed): New function.
17827 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17828 (tree_not_class_check_failed): Declare.
17830 2006-01-13 Ian Lance Taylor <ian@airs.com>
17832 * reload1.c (do_output_reload): Add assertion rejecting a
17835 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17837 * combine.c (struct reg_stat): Add new fields truncation_label and
17839 (record_value_for_reg): Reset truncated_to_mode.
17840 (record_truncated_value): New function.
17841 (check_promoted_subreg): Call it. Rename to check_conversions.
17842 (combine_instructions): Rename check_promoted_subreg to
17844 (reg_truncated_to_mode): New function.
17845 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17846 (gen_lowpart_or_truncate): New function.
17847 (force_to_mode): Use it instead of gen_lowpart.
17849 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17851 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17852 VAR is a tag, not its type tag.
17854 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17856 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17857 alternatives to match style of other entries.
17858 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17860 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17862 PR tree-optimization/25771
17863 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17866 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17869 * tree-inline.c (declare_return_variable): If the return variable
17870 was marked as a non gimple complex, set the return slot variable
17871 to be a non gimple comple variable.
17873 2006-01-13 Richard Guenther <rguenther@suse.de>
17875 * builtins.c (expand_builtin_sincos): New function.
17876 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17878 (expand_builtin): Expand sincos using expand_builtin_sincos.
17880 2006-01-12 DJ Delorie <dj@redhat.com>
17882 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17883 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17884 so that constant shifts can be split.
17885 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17886 (m32c_valid_pointer_mode): Make static.
17887 (shift_gen_func_for): New.
17888 (m32c_prepare_shift): Use it. Split large const shifts into
17890 * config/m32c/predicates.md (shiftcount_operand): Allow more
17892 (longshiftcount_operand): New.
17893 * doc/md.texi (Machine Constraints): Document In6.
17895 2006-01-13 Ben Elliston <bje@au.ibm.com>
17897 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17898 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17901 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17903 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17904 to try to avoid clobbering pieces of structures when we know
17905 something about the whole structure.
17906 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17908 2006-01-13 Ben Elliston <bje@au.ibm.com>
17910 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17911 return in memory, as this is no limitation is no longer present.
17913 2006-01-12 DJ Delorie <dj@redhat.com>
17915 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17916 mova with fb, and for fb+0 -> An.
17918 * config/m32c/mov.md (peephole2): Fix enabling logic.
17920 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17921 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17922 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17923 FINI_ARRAY_SECTION_ASM_OP): Define.
17925 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17927 (m32c_legitimize_reload_address): New logic to reload FB to An.
17928 (m32c_output_reg_push): Add newline.
17929 (m32c_output_reg_pop): Likewise.
17931 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17933 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17935 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17937 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17939 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17941 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17944 2006-01-11 Ben Elliston <bje@au.ibm.com>
17946 * rtlanal.c (find_reg_note): Assert insn is not null.
17948 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17950 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17953 2006-01-11 Jeff Law <law@redhat.com>
17955 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17957 (mark_threaded_blocks, register_jump_thread): New functions.
17958 (thread_through_all_blocks): Remove unwanted argument. No
17959 longer rely on e->aux to communicate thread target info.
17960 Call mark_threaded_blocks. Release the threaded_blocks
17961 bitmap and threaded_edges vector when complete.
17962 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17963 (threaded_blocks): Remove.
17964 (tree_ssa_dominator_optimize): Remove initialization and
17965 finalization of threaded_blocks. Simplify call to
17966 thread_through_all_blocks.
17967 (thread_across_edge): Call register_jump_thread rather than
17968 storing thread information into e->aux.
17969 (free_all_edge_infos): Simplify now that e->aux is no longer
17970 used to communicate with thread_through_all_blocks.
17971 * tree-flow.h (thread_through_all_blocks): Update prototype.
17972 (register_jump_thread): Prototype.
17974 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17976 * df-core.c (df_compact_blocks, df_bb_replace): Use
17977 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17979 2006-01-11 Richard Guenther <rguenther@suse.de>
17981 PR tree-optimization/25734
17982 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17983 stop propagation after successful propagation to the LHS.
17985 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17987 * basic-block.h (control_flow_graph): Change the type of
17988 x_basic_block_info to VEC(basic_block,gc) *.
17989 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17991 (SET_BASIC_BLOCK): New.
17992 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17993 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17994 * cfgbuild.c (find_basic_blocks): Likewise.
17995 * cfglayout.c (fixup_reorder_chain): Likewise.
17996 * cfgrtl.c (create_basic_block_structure,
17997 rtl_create_basic_block): Likewise.
17998 * ifcvt.c (find_if_case_1): Likewise.
17999 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18002 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18004 * Makefile.in: Removed rotted odf.c entry.
18006 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18009 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18010 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18011 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18012 output pattern modifier, not %e.
18013 * config/cris/cris.c (cris_op_str): Update comment about pattern
18015 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18016 before falling through into...
18017 <case 'E'>: Redefined from old 'e' case.
18019 2006-01-11 Jan Hubicka <jh@suse.cz>
18022 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18024 2006-01-11 Jan Hubicka <jh@suse.cz>
18026 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18027 * i386.c (x86_decompose_lea): Kill.
18028 (ix86_rtx_costs): Kill.
18030 2006-01-11 Jan Hubicka <jh@suse.cz>
18032 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18033 * cgraph.h (cgraph_node): Add inline_decl.
18034 (cgraph_insert_node_to_hashtable): Declare.
18035 (save_inline_function_body): Declare.
18036 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18038 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18039 (cgraph_function_versioning): Update call of tree_function_versioning.
18040 (save_inline_function_body): New function.
18041 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18042 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18043 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18044 (cgraph_default_inline_p): Likewise.
18045 (cgraph_decide_inlining_incrementally): Likewise.
18046 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18047 (copy_bb): Kill saving; do updating of clones.
18048 (copy_cfg_body): Kill saving.
18049 (initialize_inlined-parameters): Likewise.
18050 (expand_call_inline): Likewise.
18052 (tree_function_versioning): New parameter "update_clones".
18053 (inlining_p): Kill saving.
18054 * tree-inline.h (tree_function_versioning): Update prototype.
18055 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18058 2006-01-11 Ian Lance Taylor <ian@airs.com>
18060 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18061 Allow undoing set of machine mode.
18062 (do_SUBST): Use enums instead of is_int.
18063 (do_SUBST_MODE): New function.
18064 (SUBST_MODE): New macro.
18065 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18066 reg and trying to replace reg_regno_rtx with a new register.
18067 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18068 (simplify_set): Use SUBST_MODE.
18069 (distribute_notes): Remove code that tried to update reg notes
18070 for regno_reg_rtx changes.
18072 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18074 PR tree-optimization/23109
18075 PR tree-optimization/23948
18076 PR tree-optimization/24123
18078 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18079 * tree-cfg.c (single_noncomplex_succ): New.
18080 * tree-flow.h (single_noncomplex_succ): Declare it.
18081 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18082 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18083 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18084 insert_bb, register_division_in, insert_reciprocals,
18085 replace_reciprocal, free_bb): New.
18086 (execute_cse_reciprocals_1): Rewritten.
18087 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18088 Do not commit any edge insertion. Always compute dominators and
18089 create the allocation pool.
18090 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18091 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18092 * targhooks.c (default_min_divistions_for_recip_mul): New.
18093 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18094 * passes.c (init_optimization_passes): Run recip after tree loop
18096 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18098 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18099 Kenneth Zadeck <zadeck@naturalbridge.com>
18101 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18102 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18103 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18104 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18105 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18106 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18107 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18108 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18109 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18110 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18111 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18112 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18113 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18114 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18115 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18116 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18117 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18118 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18119 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18120 DF_SCAN_POST_ALLOC): New macros.
18121 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18122 df_free_bb_function, df_local_compute_function, df_init_function,
18123 df_dataflow_function, df_confluence_function_0,
18124 df_confluence_function_n, df_transfer_function,
18125 df_finalizer_function, df_free_function, df_dump_problem_function,
18126 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18127 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18128 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18129 df_urec_bb_info, ) New types.
18130 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18132 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18133 df_analyze_simple_change_some_blocks,
18134 df_analyze_simple_change_one_block, df_compact_blocks,
18135 df_bb_replace, df_bb_regno_last_use_find,
18136 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18137 df_insn_regno_def_p, df_find_def, df_find_use,
18138 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18139 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18140 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18141 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18142 debug_df_chain, df_get_dependent_problem, df_chain_create,
18143 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18144 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18145 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18146 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18147 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18148 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18149 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18150 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18151 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18152 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18153 df_reorganize_refs, df_set_state, df_hard_reg_init,
18154 df_read_modify_subreg_p) New public functions.
18155 * df-core.c: The core dataflow solver and glue routines for rtl
18157 (df_init, df_add_problem, df_set_blocks, df_finish,
18158 df_hybrid_search_forward, df_hybrid_search_backward,
18159 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18160 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18161 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18162 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18163 df_reg_defined, df_find_use, df_reg_used, df_dump,
18164 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18165 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18166 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18167 debug_df_useno, reset_df_after_reload): New functions.
18168 * df-scan.c: The scanning fuctions, once in df.c, completely
18169 rewritten so that they now fully model the functionality of
18170 register usage at the backend.
18171 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18172 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18173 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18174 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18175 df_get_artificial_defs, df_get_artificial_uses,
18176 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18177 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18178 df_refs_delete, df_reorganize_refs, df_set_state,
18179 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18180 df_def_record_1, df_defs_record, df_uses_record,
18181 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18182 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18183 df_record_exit_block_uses, df_hard_reg_init): New functions.
18185 * df-problems.c: Seven concrete dataflow problems that use the
18186 scanning in df-scan.c and are solved by the engine in df-core.c.
18187 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18188 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18189 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18190 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18191 df_ru_free_bb_info, df_ru_alloc,
18192 df_ru_bb_local_compute_process_def,
18193 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18194 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18195 df_ru_transfer_function, df_ru_free, df_ru_dump,
18196 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18197 df_rd_free_bb_info, df_rd_alloc,
18198 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18199 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18200 df_rd_transfer_function, df_rd_free, df_rd_dump,
18201 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18202 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18203 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18204 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18205 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18206 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18207 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18208 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18209 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18210 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18211 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18212 df_urec_mark_reg_use_for_earlyclobber,
18213 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18214 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18215 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18216 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18217 df_chain_create_bb_process_use, df_chain_create_bb,
18218 df_chain_finalize, df_chain_free, df_chains_dump,
18219 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18220 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18221 df_reg_lifetime): New functions.
18222 * df.c: Deleted file.
18223 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18224 consistent with new df api.
18225 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18226 rest_of_handle_sms): Ditto.
18227 * web.c (unionfind_union, union_defs, entry_register, web_main):
18229 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18230 invariant_expr_equal_p, find_defs, check_dependencies,
18231 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18232 free_inv_motion_data, move_loop_invariants): Ditto.
18233 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18234 Update dependencies.
18235 (odf.c): Added defective entry that was deleted later in day.
18236 * sched-deps.c (sched_analyze_1): Ditto.
18238 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18240 * tree-ssa-operands.c (get_expr_operands): Record addressable
18241 variables directly. Do not call add_stmt_operands for CONST_DECLs
18243 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18244 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18246 2006-01-11 Ben Elliston <bje@au.ibm.com>
18248 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18249 function returns true in the positive case.
18251 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18254 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18255 for SI, DI, SF and DF modes. Add alternatives to copy between
18256 general and floating point registers to the 32-bit patterns.
18257 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18258 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18259 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18260 generating 64-bit code.
18261 * config/pa/pa.c (output_move_double): Handle copies between general
18262 and floating registers.
18264 2006-01-10 Stuart Hastings <stuart@apple.com>
18266 * config/i386/i386.md (set_got): Update.
18267 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18268 (builtin_setjmp_receiver): Mach-O support.
18269 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18270 (GOT_SYMBOL_NAME): Define.
18271 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18272 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18273 * config/i386/i386.c (override_options): Revise for Darwin.
18274 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18275 support. (darwin_x86_file_end): New. (output_set_got): Add label
18276 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18277 * config/i386/i386-protos.h (output_set_got): Likewise.
18278 * config/darwin.c (machopic_legitimize_pic_address): Update
18281 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18283 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18284 when MODE isn't BLKmode.
18286 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18288 PR rtl-optimization/25367
18289 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18291 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18294 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18295 for a negative bound.
18297 2006-01-10 Richard Guenther <rguenther@suse.de>
18299 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18300 Never override with anything constraint.
18302 2006-01-10 Jan Beulich <jbeulich@novell.com>
18304 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18305 256 bits when optimize_size.
18307 2006-01-10 Jan Beulich <jbeulich@novell.com>
18309 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18311 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18312 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18315 2006-01-10 Ben Elliston <bje@au.ibm.com>
18317 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18319 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18320 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18321 (USE_FP_FOR_ARG): Reject decimal float modes.
18322 (function_arg_advance): Likewise.
18323 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18324 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18325 point types in AltiVec vectors.
18326 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18327 (rs6000_libcall_value): Likewise.
18329 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18331 * config/xtensa/ieee754-df.S: New file.
18332 * config/xtensa/ieee754-sf.S: New file.
18333 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18334 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18335 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18337 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18339 * config/sh/predicates.md (binary_float_operator,
18340 binary_logical_operator, commutative_float_operator,
18341 equality_comparison_operator, greater_comparison_operator,
18342 less_comparison_operator, logical_operator,
18343 noncommutative_float_operator, shift_operator,
18344 symbol_ref_operand, unary_float_operator): Remove redundant
18347 2006-01-09 Jeff Law <law@redhat.com>
18349 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18350 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18351 now unused arguments. Callers updated.
18352 (eliminate_redundant_computations): Remove now unused arguments,
18354 (local_fold): Remove, no longer used.
18355 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18357 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18358 (simplify_cond): New function.
18359 (forward_propagate_into_cond): Call simplify_cond.
18361 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18363 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18364 (*vec_extractv2di_1_sse): New.
18366 2006-01-09 Ben Elliston <bje@au.ibm.com>
18368 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18370 2006-01-08 Richard Guenther <rguenther@suse.de>
18372 * tree-ssa-structalias.c (get_constraint_for): Remove
18373 anyoffset argument.
18374 (get_constraint_for_component_ref): Likewise.
18375 (do_deref): Likewise.
18376 (get_constraint_for): Likewise.
18377 (do_structure_copy): Likewise.
18378 (handle_ptr_arith): Likewise.
18379 (find_func_aliases): Likewise. Remove unused need_anyoffset
18382 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18383 Kaz Kojima <kkojima@gcc.gnu.org>
18385 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18386 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18387 (EXTRA_CONSTRAINT_C16): Remove.
18388 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18389 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18390 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18391 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18392 constants of SHmedia. Handle nested constant expressions of
18394 (andcosts): Fix the costs for SHmedia constants.
18395 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18396 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18397 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18398 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18399 (movv4hi_i, movv2si_i): Likewise.
18400 (movsi_const): Adjust the second operand of ior so to match with
18401 the Csu constraint.
18402 (movdi_const, movdi_const_32bit): Likewise.
18403 (movdi_const_16bit+1): Don't sign-extend LOW.
18404 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18406 (*double_shori): Fix the split condition. Use GEN_INT instead
18407 of get_int_mode calls. Mask lower 16-bit of the argument of
18409 (sym2GOTPLT): Remove.
18410 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18412 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18413 instead of EXTRA_CONSTRAINT_C16.
18415 2006-01-07 Ian Lance Taylor <ian@airs.com>
18416 David Edelsohn <edelsohn@gnu.org>
18418 PR rtl-optimization/25662
18419 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18420 for constant operands instead of simplify_gen_binary.
18421 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18422 after trying simplify_binary_operation
18424 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18426 * tree.c (iterative_hash_expr): Hash decls based on UID.
18428 2006-01-06 Eric Christopher <echristo@apple.com>
18430 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18431 (TARGET_UNWIND_EMIT): Fix spelling.
18432 * target.h (gcc_target): Add except_table_label.
18433 * except.c (output_function_exception_table): Use.
18434 * varasm.c (default_emit_except_table_label): New.
18435 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18437 (asm_out): Add here.
18438 * output.h (default_emit_except_table_label): Prototype.
18439 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18440 * config/darwin.c (darwin_emit_except_table_label): Define.
18441 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18443 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18445 PR tree-optimization/18527
18446 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18447 number_of_iterations_special, number_of_iterations_exit):
18448 Move base and step of an iv to a single structure. Add
18449 no_overflow flag, and use it in # of iterations analysis.
18450 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18451 folded_casts argument.
18452 (simple_iv): Pass base and step in a structure. Set no_overflow
18454 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18455 Evaluate expensiveness of computing # of iterations instead of
18456 the final expression.
18457 * tree-scalar-evolution.h (affine_iv): New structure.
18458 (simple_iv): Declaration changed.
18459 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18460 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18461 find_givs_in_stmt): Changed due to simple_iv change.
18463 2006-01-06 Jeff Law <law@redhat.com>
18466 * tree-cfg.c (bsi_replace): Rename final argument from
18467 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18468 change (stmt -> orig_stmt).
18469 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18470 (bsi_remove): Add new argument. Remove EH information
18472 (verify_eh_throw_table_statements): New function.
18473 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18475 * tree-optimize.c (execute_free_cfg_annotations): Verify
18476 the EH throw statement table after removing annotations.
18477 * except.h (verify_eh_throw_table_statements): Prototype.
18478 * tree-flow.h (bsi_remove): Update prototype.
18479 * tree-vrp.c (remove_range_assertions): Add new argument to
18481 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18482 * tree-complex.c (expand_complex_div_wide): Likewise.
18483 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18484 * tree-tailcall.c (eliminate_tailcall): Likewise.
18485 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18486 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18487 * tree-nrv.c (tree_nrv): Likewise.
18488 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18489 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18490 (combine_blocks): Likewise.
18491 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18492 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18493 (cleanup_control_flow): Likewise.
18494 (remove_forwarder_block): Likewise.
18495 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18496 * tree-sra.c (sra_replace): Likewise.
18497 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18498 (forward_propagate_single_use_vars): Likewise.
18499 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18500 * tree-inline.c (expand_call_inline): Likewise.
18501 * tree-vect-transform.c (vect_transform_loop): Likewise.
18502 * tree-outof-ssa.c (rewrite_trees): Likewise.
18503 * tree-cfg.c (make_goto_expr_edges): Likewise.
18504 (cleanup_dead_labels): Likewise.
18505 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18506 (bsi_move_before, bsi_move_after): Likewise.
18507 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18508 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18510 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18513 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18515 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18516 on non gimple variables. Also add checks at the top for decls and
18518 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18520 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18521 and IMAGPART_EXPR for creating MUST_DEFs.
18522 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18523 and NAME_MEMORY_TAG separately from the DECLs.
18525 2006-01-06 Richard Guenther <rguenther@suse.de>
18527 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18528 annotation, if necessary.
18529 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18530 redundant calls to update_stmt.
18531 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18534 2006-01-05 Richard Henderson <rth@redhat.com>
18536 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18538 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18540 * c-typeck.c: Update copyright date.
18542 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18544 * c-typeck.c (build_c_cast): Always warn when casting
18545 from a pointer to an integer of different size, even if
18546 the node was constant.
18548 2006-01-05 Richard Guenther <rguenther@suse.de>
18550 PR tree-optimization/22555
18551 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18552 if one structure field is an array.
18553 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18554 operands even if we found a subvar, but ignore VOPs in this
18556 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18558 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18560 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18562 PR middle-end/24998
18563 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18565 2006-01-05 Richard Guenther <rguenther@suse.de>
18566 Diego Novillo <dnovillo@redhat.com>
18568 * tree-pass.h (TODO_remove_unused_locals): Define.
18569 * gimple-low.c (expand_var_p, remove_useless_vars,
18570 pass_remove_useless_vars): Remove. Update all users.
18571 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18572 (remove_unused_locals): New function.
18573 * tree-flow.h (remove_unused_locals): Declare.
18574 * passes.c (execute_todo): Call remove_unused_locals if
18575 TODO_remove_unused_locals is set.
18576 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18577 * tree-ssa-dce.c (pass_dce): Likewise.
18578 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18580 2006-01-05 Richard Guenther <rguenther@suse.de>
18582 * tree-flow.h (struct fieldoff): Decompose field to
18583 type, size and decl.
18584 * tree-ssa-alias.c (create_sft): Take type as parameter.
18585 (create_overlap_variables_for): Store type, size and decl
18586 in the fieldoff structure.
18587 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18588 of struct fieldoff.
18589 (push_fields_onto_fieldstack): Likewise.
18590 (create_variable_info_for): Likewise. Use offset for the
18591 SFT name if the decl is not available.
18593 2006-01-04 Paul Brook <paul@codesourcery.com>
18595 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18597 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18599 * lambda-code.c (can_put_in_inner_loop): Relax
18601 (can_put_after_inner_loop): New function.
18602 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18603 (perfect_nestify): Change to make copies and modify uses.
18605 2006-01-04 Richard Henderson <rth@redhat.com>
18607 Merge from gomp branch:
18608 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18609 via integer constant.
18610 (pragma_lex): Remove.
18611 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18612 rather than parsing it.
18613 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18614 handle_pragma_extern_prefix): Add %< %> quotes.
18615 (registered_pragmas): New.
18616 (c_register_pragma_1): New.
18617 (c_register_pragma): Use it.
18618 (c_register_pragma_with_expansion): Likewise.
18619 (c_invoke_pragma_handler): New.
18620 (init_pragma): Use cpp_register_deferred_pragma directly for
18622 * c-pragma.h (enum pragma_kind): New.
18623 (pragma_handler): New.
18624 (c_invoke_pragma_handler): Declare.
18625 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18627 * c-common.h (c_common_pch_pragma): Update decl.
18628 * Makefile.in (c-parser.o): Update dependencies.
18629 (GTFILES): Add c-pragma.h.
18630 * c-parser.c (struct c_token): Add pragma_kind.
18631 (struct c_parser): Add in_pragma.
18632 (c_lex_one_token): Always initialize keyword and pragma_kind.
18633 Extract data for CPP_PRAGMA.
18634 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18635 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18636 Don't allow CPP_PRAGMA_EOL if in_pragma.
18637 (c_parser_consume_pragma): New.
18638 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18639 (c_parser_skip_to_end_of_parameter): Likewise.
18640 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18641 (c_parser_skip_to_pragma_eol): New.
18642 (c_parser_external_declaration): Handle CPP_PRAGMA.
18643 (c_parser_compound_statement_nostart): Likewise.
18644 (c_parser_statement_after_labels): Likewise.
18645 (c_parser_pragma): New.
18646 (pragma_lex): Likewise.
18647 (c_parser_pragma_pch_preprocess): New.
18648 (c_parser_new): Merge into ...
18649 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18651 2006-01-04 Jeff Law <law@redhat.com>
18654 * tree-cfg.c (bsi_replace): Remove the original statement
18655 from the EH throw statement table.
18657 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18659 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18660 make the prototype extern "C" and add throw ().
18663 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18664 and pos non-negative and pos + len <= 32.
18665 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18666 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18667 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18670 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18671 as well as sizes not multiple of component size.
18674 * function.c (instantiate_expr): New function.
18675 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18676 walk its DECL_VALUE_EXPR with instantiate_expr.
18678 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18679 DW_OP_deref{,_size} if address isn't going to be added.
18681 2006-01-04 Ben Elliston <bje@au.ibm.com>
18683 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18684 * config/fp-bit.c: Likewise.
18686 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18688 * dominance.c: Add comment about why we use DFS numbering
18691 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18692 Richard Henderson <rth@redhat.com>
18694 Merge from gomp-branch:
18695 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18696 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18698 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18700 PR rtl-optimization/25578
18701 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18702 pass a parameter to simplify_shift_const if changing ASHIFTRT
18705 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18707 * builtins.c (get_builtin_sync_mem): New function.
18708 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18709 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18710 Call get_builtin_sync_mem to generate mem rtx.
18712 2006-01-03 Richard Guenther <rguenther@suse.de>
18715 * stmt.c (add_case_node): Make sure to clear overflow flags
18718 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18720 Merge from gomp-branch.
18721 * config/sparc/sync.md: New file.
18722 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18723 UNSPECV_LDSTUB): New constants.
18724 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18725 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18726 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18729 2006-01-03 Roger Sayle <roger@eyesopen.com>
18731 * combine.c (reg_subword_p): New predicate to test whether the
18732 destination of a set refers to a subword/piece of a register.
18733 (try_combine): Generalize the code to merge the setting of a
18734 pseudo to a constant followed by a set of a subword of that
18735 register to a constant.
18737 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18739 * basic-block.h (control_flow_graph): Change the type of
18740 x_label_to_block_map to VEC(basic_block,gc) *.
18741 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18742 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18744 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18745 VEC(basic_block,heap) *.
18746 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18747 ssa_prop_fini): Adjust the uses of cfg_blocks.
18749 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18751 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18753 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18754 hashing trees instead of a pointer hash.
18755 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18756 compare for MEM_EXPR.
18758 PR rtl-optimization/25130
18759 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18760 when comparing MEMs for GCSE
18762 2006-01-03 Ben Elliston <bje@au.ibm.com>
18764 * targhooks.h (default_decimal_float_supported_p): Declare.
18765 * targhooks.c (default_decimal_float_supported_p): Define.
18766 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18767 `default_decimal_float_supported_p'.
18768 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18770 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18772 * combine.c (apply_distributive_law <SUBREG>): Check
18773 TRULY_NOOP_TRUNCATION.
18775 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18777 * dwarf2out.c (have_switched_text_section): Delete.
18778 (have_multiple_function_sections): New.
18779 (have_location_lists): Make 'bool'.
18780 (add_AT_loc_list): Use 'true' not '1'.
18781 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18782 (output_loc_list): Use have_multiple_function_sections.
18783 (output_ranges): Likewise.
18784 (dwarf2out_begin_function): Set have_multiple_function_sections if
18786 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18787 Check function_section rather than DECL_SECTION_NAME.
18788 (dwarf2out_finish): Use have_multiple_function_sections.
18789 Don't clear have_location_lists.
18791 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18792 Jan Hubicka <jh@suse.cz>
18794 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18795 case of conditional jump jumping to the next instruction.
18796 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18797 cases of conditional jump jumping to the next instruction.
18799 2006-01-02 Jan Hubicka <jh@suse.cz>
18801 * i386.c (*_cost): Add COSTS_N_INSNS.
18802 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18804 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18807 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18809 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18811 * config/arm/arm.c (all_fpus): Fix comment typo.
18812 * config/darwin.c: Likewise.
18813 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18814 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18815 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18817 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18819 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18820 (rs6000_split_compare_and_swapqhi): New.
18821 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18822 (sync_compare_and_swapqhi_internal): New.
18823 * config/rs6000/rs6000-protos.h: Declare.