1 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4 easy vector constant loads.
6 2006-11-18 Joseph Myers <joseph@codesourcery.com>
8 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
9 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
11 * config/rs6000/sync.md (lwsync): Emit plain sync if
14 2006-11-17 DJ Delorie <dj@redhat.com>
16 * reload1.c (reloads_unique_chain): New.
17 (reloads_conflict): Call it.
19 2006-11-17 Bob Wilson <bob.wilson@acm.org>
21 * config/xtensa/predicates.md (addsubx_operand): New.
22 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
23 (xtensa_emit_bit_branch): New.
24 (xtensa_emit_movcc): New.
25 * config/xtensa/xtensa.md (any_minmax): New code macro.
26 (minmax): New code attribute.
27 (any_cond, any_scc, any_scc_sf): New code macros.
28 (*addx2, *addx4, *addx8): Delete.
30 (*subx2, *subx4, *subx8): Delete.
32 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
33 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
34 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
35 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
36 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
37 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
38 (movsfcc_internal0, movsfcc_internal1): Likewise.
39 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
40 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
41 (xtensa_emit_bit_branch): New.
42 (xtensa_emit_movcc): New.
43 (function_arg_boundary): Add missing prototype.
45 2006-11-17 Bob Wilson <bob.wilson@acm.org>
47 * config/xtensa/xtensa.md (tstsi): Delete
49 2006-11-17 Bob Wilson <bob.wilson@acm.org>
51 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
53 2006-11-17 Bob Wilson <bob.wilson@acm.org>
55 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
57 2006-11-17 Bob Wilson <bob.wilson@acm.org>
59 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
61 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
63 * tree-vrp.c (execute_vrp): Do not update current_loops.
64 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
65 * doc/loop.texi: Remove documentation for cancelled functions.
66 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
67 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
69 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
70 (remove_path): Ensure that in delete_basic_blocks, the loops
72 (add_loop): Work on valid loop structures.
73 (loopify): Modify call of add_loop.
74 (mfb_update_loops): Removed.
75 (create_preheader): Do not update loops explicitly.
76 (force_single_succ_latches, loop_version): Do not use
78 (loop_split_edge_with): Removed.
79 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
80 Do not use bsi_insert_on_edge_immediate_loop.
81 (split_loop_exit_edge, tree_unroll_loop): Do not use
83 (bsi_insert_on_edge_immediate_loop): Removed.
84 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
85 use loop_split_edge_with.
86 * cfghooks.c: Include cfgloop.h.
87 (verify_flow_info): Verify that loop_father is filled iff current_loops
89 (redirect_edge_and_branch_force, split_block, delete_basic_block,
90 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
92 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
94 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
96 (sms_schedule): Use current_loops.
97 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
98 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
100 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
101 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
102 * ifcvt.c (if_convert): Ditto.
103 * predict.c (predict_loops): Do not clear current_loops.
104 (tree_estimate_probability): Use current_loops.
105 (propagate_freq): Receive head of the region to propagate instead of
107 (estimate_loops_at_level): Do not use shared to_visit bitmap.
108 (estimate_loops): New function. Handle case current_loops == NULL.
109 (estimate_bb_frequencies): Do not allocate tovisit. Use
111 * tree-ssa-loop.c (current_loops): Removed.
112 (tree_loop_optimizer_init): Do not return loops.
113 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
114 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
115 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
116 Do not update loops explicitly.
117 * function.h (struct function): Add x_current_loops field.
118 (current_loops): New macro.
119 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
120 * loop-unroll.c (split_edge_and_insert): New function.
121 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
122 use loop_split_edge_with.
123 * loop-doloop.c (add_test, doloop_modify): Ditto.
124 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
125 * cfglayout.c (copy_bbs): Do not update loops explicitly.
126 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
127 * tree-vect-transform.c (vect_transform_loop): Do not update loops
129 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
130 (flow_loops_free): Do not free dfs_order and rc_order.
131 (flow_loops_find): Do not set dfs_order and rc_order in loops
132 structure. Do not call loops and flow info verification.
133 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
134 already belongs to some loop.
135 * cfgloop.h (struct loops): Remove struct cfg.
136 (current_loops, loop_split_edge_with): Declaration removed.
137 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
138 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
140 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
141 * basic-block.h (split_edge_and_insert): Declare.
142 * tree-cfg.c (remove_bb): Do not update loops explicitly.
144 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
146 PR tree-optimization/29801
147 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
148 (get_default_value): Use get_symbol_constant_value.
149 (set_lattice_value): ICE when the value of the constant is
151 (visit_assignment): Ignore VDEFs of read-only variables.
153 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
155 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
157 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
158 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
160 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
162 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
163 select subvars of var.
165 2006-11-17 Jakub Jelinek <jakub@redhat.com>
168 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
169 optimize if DEF doesn't have integral type.
171 2006-11-16 Mike Stump <mrs@apple.com>
173 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
174 pre-darwin9 system, unless the user asks for it directly.
175 (PREFERRED_DEBUGGING_TYPE): Likewise.
176 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
177 * config.gcc: Add suppport for darwin9.h.
178 * config/darwin9.h: Add.
179 * doc/install.texi (Specific): Clarify darwin documentation.
181 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
183 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
186 2006-11-16 Mike Stump <mrs@apple.com>
188 * Makefile.in (targhooks.o): Add $(OPTABS_H).
190 2006-11-16 Dirk Mueller <dmueller@suse.de>
192 * tree-vrp.c (get_value_range): Use XCNEW instead
194 (insert_range_assertions): Use XCNEWVEC instead
195 of XNEWVEC and memset.
196 (vrp_initialize): Same.
197 (vrp_finalize): Same.
198 * tree-ssa-ccp.c (ccp_initialize): Same.
199 * predict.c (tree_bb_level_predictions): Same.
200 * calls.c (expand_call): Same.
201 * tree-ssa-copy.c (init_copy_prop): Same.
202 (fini_copy_prop): Same.
203 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
204 of GGC_NEW and memset.
206 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
209 * gimplify.c (gimplify_expr): Only force a load for references to
210 non-BLKmode volatile values.
211 * doc/implement-c.texi (Qualifiers implementation): Document the
212 interpretation of what a volatile access is.
213 * doc/extend.texi (C++ Extensions): Rework same documentation.
215 2006-11-16 Joseph Myers <joseph@codesourcery.com>
217 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
220 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
222 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
224 (arm_neg_abssi2): Renamed from neg_abssi2.
225 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
227 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
229 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
230 number of arguments passed to local functions in SSE registers is 3.
232 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
233 number of arguments passed in SSE registers to 3.
235 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
238 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
240 (get_last_bb_insn): ... new global function.
241 (basic_block.h): Declare it.
242 * haifa-sched.c (create_recovery_block): Use it.
244 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
247 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
249 2006-11-15 Paul Brook <paul@codesourcery.com>
251 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
252 _Unwind_GetTextRelBase): Move from here ...
253 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
254 _Unwind_GetTextRelBase): ... To here.
256 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
258 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
259 addresses we generate for testing are aligned.
261 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
264 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
265 to what is the const decl is a place holder for.
267 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
269 * config/i386/i386.opt: New target option -mx87regparm.
271 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
272 and float_in_x87 variables. mmx_words, sse_words: Remove.
273 (X87_REGPARM_MAX): Define.
275 * config/i386/i386.c (override_options): Error out for
276 -mx87regparm but no 80387 support.
277 (ix86_attribute_table): Add x87regparm.
278 (ix86_handle_cconv_attribute): Update comments for x87regparm.
279 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
280 (ix86_function_x87regparm): New function.
281 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
283 (init_cumulative_args): Initialize x87_nregs and float_in_x87
285 (function_arg_advance): Process x87_nregs and x87_regno when
286 floating point argument is to be passed in 80387 register.
287 (function_arg): Pass XFmode arguments in 80387 registers for local
288 functions. Pass SFmode and DFmode arguments to local functions
289 in 80387 registers when flag_unsafe_math_optimizations is set.
291 * reg-stack.c (convert_regs_entry): Disable NaN load for
292 stack registers that are used for argument passing.
294 * doc/extend.texi: Document x87regparm function attribute.
295 * doc/invoke.texi: Document -mx87regparm.
297 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
299 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
300 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
301 arg MODE; all callers changed. Use it to determine validity per
302 machine mode instead of using Pmode for all memory references.
303 (get_address_cost): Likewise add and use new arg MEM_MODE.
305 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
306 J"orn Rennecke <joern.rennecke@st.com>
308 * combine.c (likely_spilled_retval_1): Fix masking operation.
309 (likely_spilled_retval_p): Use proper pattern for call to
310 likely_spilled_retval_1.
312 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
314 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
316 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
317 that tests for CONSTANT_POOL_ADDRESS_P.
319 2006-11-15 Jakub Jelinek <jakub@redhat.com>
321 PR tree-optimization/29581
322 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
323 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
324 type is different between Y and USE, create a temporary
325 variable, initialize it at the beginning of the body bb
326 and use it as replacement instead of Y.
328 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
331 * gimplify.c (fold_indirect_ref_rhs): Use
332 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
334 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
336 * expmed.c (emit_store_flag_1): New function.
337 (emit_store_flag): Call it. If we can't find a suitable scc insn,
339 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
340 Use do_compare_rtx_and_jump.
341 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
342 * arm.md (cstoresi4): New define_expand.
343 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
344 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
345 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
347 2006-11-14 Caroline Tice <ctice@apple.com>
349 * dwarf2out.c (debug_pubtypes_section): New static global variable.
350 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
352 (pubname_table): Redefine as a vector.
353 (pubtype_table): New static global variable, defined as a vector.
354 (pubname_table_allocated): Remove static global variable.
355 (pubname_table_in_use): Remove static global variable.
356 (PUBNAME_TABLE_INCREMENT): Remove constant.
357 (size_of_pubnames): Add parameter to deal with either pubnames or
358 pubtypes, and change code to deal with table being a vector.
359 (add_pubname): Change to deal with table being a vector.
360 (add_pubtype): New function.
361 (output_pubnames): Add parameter to deal with either pubnames or
362 pubtypes, and change code to deal with table being a vector.
363 (gen_array_type_die): Add call to add_pubtype.
364 (gen_enumeration_type_die): Add call to add_pubtype.
365 (gen_struct_or_union_type_die): Add call to add_pubtype.
366 (gen_subroutine_type_die): Add call to add_pubtype.
367 (gen_typedef_die): Add call to add_pubtype.
368 (dwarf2out_init): Add code to initialize pubname_table and
369 pubtype_table vectors; also initialize debug_pubtypes_section.
370 (prune_unused_types): Change to deal with pubnames being a vector.
371 (dwarf2out_finish): Change to deal with pubnames being a vector; add
372 pubnames table to call to output_pubnames; Add code to output pubtypes
373 table if DEBUG_PUBTYPES_SECTION is defined.
374 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
376 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
378 2006-11-14 Joseph Myers <joseph@codesourcery.com>
380 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
381 iwmmxt_nregs if TARGET_IWMMXT_ABI.
382 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
383 movv2si_internal): Support moves between core registers.
385 2006-11-14 Eric Christopher <echristo@apple.com>
387 * configure: Regenerate with autoconf 2.59.
389 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
391 Fix PR tree-optimization/27755
393 * tree-ssa-pre.c: Update comments.
394 (bb_bitmap_sets): Add pa_in and deferred member.
395 (BB_DEFERRED): New macro.
396 (maximal_set): New variable.
397 (pre_stats): Add pa_insert member.
398 (bitmap_set_and): Short circuit orig == dest.
399 (bitmap_set_subtract_values): New function.
400 (bitmap_set_contains_expr): Ditto.
401 (translate_vuses_through_block): Add phiblock argument.
402 (dependent_clean): New function.
403 (compute_antic_aux): Update for maximal_set changes.
404 (compute_partial_antic_aux): New function.
405 (compute_antic): Handle partial anticipation.
406 (do_partial_partial_insertion): New function.
407 (insert_aux): Handle partial anticipation.
408 (add_to_sets): Add to maximal set.
409 (compute_avail): Ditto.
410 (init_pre): Initialize maximal_set.
411 (execute_pre): Do partial anticipation if -O3+.
413 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
415 PR rtl-optimization/29798
417 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
418 TARGET_INSN before any other check.
419 (fwprop_init): Always calculate dominators.
420 (fwprop_done): Always free them.
422 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
424 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
427 2006-11-13 DJ Delorie <dj@redhat.com>
429 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
430 temporary for intermediates.
432 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
434 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
435 (sh_optimize_target_register_callee_saved): #if 0 the code
436 using NOTE_INSN_LOOP_{BEG,END}.
438 2006-11-13 Roger Sayle <roger@eyesopen.com>
440 * fold-const.c (optimize_bit_field_compare): Recursively call
441 fold when simplifying non-constant comparisons between bit-fields.
443 2006-11-13 Jakub Jelinek <jakub@redhat.com>
445 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
447 * configure: Rebuilt.
449 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
451 * config/rs6000/cell.md: New file.
452 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
454 (ppccell_cost): New cost matrix.
455 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
456 (rs6000_override_options): Set rs6000_always_hint to false
457 for cell. Also align functions/lables/loops to 8byte
458 for the Cell. Use PROCESSOR_CELL.
459 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
461 (rs6000_variable_issue): If the insn is a nonpipelined instruction
462 on the Cell, return 0.
463 (rs6000_adjust_cost): Add Cell cost adjustments.
464 (is_microcoded_insn): Return true for Cell microcoded
466 (is_nonpipeline_insn): New function.
467 (rs6000_issue_rate): Add PROCESSOR_CELL.
468 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
470 (rs6000_use_sched_lookahead_guard): New function.
471 (rs6000_sched_reorder): Reorder the ready list, if the second
472 to last ready insn is a nonepipeline insn on the Cell.
473 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
474 (ASM_CPU_SPEC): Add Cell.
475 * config/rs6000/rs6000.md (cpu): Add Cell.
476 (cell_micro): New Attr.
479 2006-11-13 Jakub Jelinek <jakub@redhat.com>
481 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
483 * configure: Rebuilt.
485 2006-11-13 Richard Guenther <rguenther@suse.de>
487 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
489 (ix86_expand_lfloorceil): Likewise.
490 (ix86_expand_rint): Likewise.
491 (ix86_expand_floorceildf_32): Likewise.
492 (ix86_expand_floorceil): Likewise.
493 (ix86_expand_rounddf_32): Likewise.
494 (ix86_expand_truncdf_32): Likewise.
495 (ix86_expand_round): Likewise.
497 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
498 Mark Mitchell <mark@codesourcery.com>
500 * gcc.c: Organize search path variables into $prefix relative,
501 and well-known native. Add comments.
502 (add_sysrooted_prefix): Add comment.
503 (process_command): If !gcc_exec_prefix add $prefix based paths.
504 If *cross_compile == '0', add native well-known paths.
505 Assert tooldir_base_prefix is always relative.
506 (main): If print_search_dirs, and if gcc_exec_prefix is set,
507 use this value for 'install:' path.
508 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
510 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
512 * config/i386/i386.c: Fix a typo in comment.
514 2006-11-13 Michael Matz <matz@suse.de>
516 * genemit.c (gen_expand): Allocate enough memory.
518 2006-11-13 Joseph Myers <joseph@codesourcery.com>
520 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
521 __GXX_TYPEINFO_EQUALITY_INLINE but not
522 __GXX_MERGED_TYPEINFO_NAMES.
523 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
524 __GXX_MERGED_TYPEINFO_NAMES.
525 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
526 __GXX_TYPEINFO_EQUALITY_INLINE.
528 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
529 Zdenek Dvorak <dvorakz@suse.cz>
531 PR tree-optimization/29680
532 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
535 2006-11-12 Jason Merrill <jason@redhat.com>
536 Andrew Pinski <pinskia@physics.uc.edu>
539 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
541 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
543 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
544 * tree.c (build_vector): Handle non-_CST elements.
546 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
548 * genemit.c (gen_insn): Call gen_exp with a non-null used
549 when handling multiple insns.
550 (gen_expand): Likewise.
551 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
552 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
553 (movsi_const_16bit+1): Copy operands[1].
554 (call_pcrel): Copy the call_site pattern.
555 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
557 2006-11-12 Roger Sayle <roger@eyesopen.com>
559 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
560 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
561 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
562 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
564 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
566 Fix PR tree-optimization/29587
567 * tree-ssa-structalias.c (process_constraint): Don't
568 mark address taken due only to escaped vars constraint.
570 2006-11-12 Michael Matz <matz@suse.de>
571 Roger Sayle <roger@eyesopen.com>
573 PR rtl-optimization/29797
574 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
575 BITS_BIG_ENDIAN targets.
577 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
579 * builtins.c (fold_builtin_cosh): New.
580 (fold_builtin_1): Use it.
581 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
582 trunc to the list of "odd" functions. Also add llrint, lrint,
583 rint and nearbyint when flag_rounding_math is false.
585 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
587 * tree-flow.h (name_mappings_registered_p): Declare.
588 * tree-into-ssa.c (name_mappings_registered_p): New function.
589 * tree-cfg.c (tree_can_merge_blocks_p): Check
590 name_mappings_registered_p instead of need_ssa_update_p.
592 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
594 * tree-ssa-loop.c (tree_vectorize): Return the result of
596 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
598 * tree-vectorizer.h (vectorize_loops): Declaration removed.
599 * tree-flow.h (vectorize_loops): Declaration changed.
601 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
603 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
605 (issue_prefetch_ref): Move assignment to write_p out of loop.
606 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
607 SIMULTANEOUS_PREFETCHES into account.
608 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
609 * lambda-code.c (lcm): Renamed to ...
610 (least_common_multiple): ... and exported.
611 * tree-flow.h (least_common_multiple): Declare.
613 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
615 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
616 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
617 ud-chains. Handle AND_EXPR.
618 (record_estimate): Record whether the estimate is realistic
619 and whether it is derived from a loop exit.
620 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
621 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
623 (compute_estimated_nb_iterations): Take only realistic bounds into
624 account. Set estimate_state. Use double_ints.
625 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
626 and infer_loop_bounds_from_signedness. Do not consider basic blocks
627 that do not have to be always executed.
628 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
629 to determine whether to call infer_loop_bounds_from_undefined
630 and compute_estimated_nb_iterations.
631 (n_of_executions_at_most): Use double_ints.
632 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
633 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
634 * double-int.c (double_int_to_tree): Improve comment.
635 (double_int_fits_to_tree_p): New function.
636 * double-int.h (double_int_fits_to_tree_p): Declare.
637 * tree-data-ref.c: Include langhooks.h.
638 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
639 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
640 (analyze_array): Do not pass estimate_only argument to
641 analyze_array_indexes.
642 (get_number_of_iters_for_loop): Build tree from the stored double_int
644 (get_references_in_stmt, find_data_references_in_stmt): New functions.
645 (find_data_references_in_loop): Use find_data_references_in_stmt.
646 * tree-data-ref.h (struct data_ref_loc_d): New.
647 (get_references_in_stmt): Declare.
648 (estimate_iters_using_array): Declaration removed.
649 * cfgloop.h (struct nb_iter_bound): Change type of bound to
650 double_int. Improve comments. Add is_exit and realistic
652 (struct loop): Changed type of estimated_nb_iterations to double_int.
653 Added estimate_state field.
654 (record_estimate): Declaration removed.
656 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
658 * params.c (set_param_value): Initialize the "set" field.
659 * params.h (struct param_info): Add "set" field.
660 (PARAM_SET_P): New macro.
661 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
662 L1_CACHE_LINE_SIZE): New macros.
663 * toplev.c (DEFPARAM): Initialize the "set" field.
664 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
665 SIMULTANEOUS_PREFETCHES): Removed.
666 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
667 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
668 * config/sparc/sparc.c: Include params.h.
669 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
670 L1_CACHE_LINE_SIZE parameters.
671 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
673 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
675 * config/i386/i386.c: Include params.h.
676 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
677 (override_options): Set SIMULTANEOUS_PREFETCHES and
678 L1_CACHE_LINE_SIZE parameters.
679 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
680 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
681 L1_CACHE_LINE_SIZE parameters.
682 * config/ia64/ia64.c (ia64_optimization_options): Set
683 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
684 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
686 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
687 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
688 * doc/invoke.texi: Document new params.
690 2006-11-12 Roger Sayle <roger@eyesopen.com>
692 PR tree-optimization/13827
693 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
696 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
698 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
699 update_single_exit_for_duplicated_loops): New functions.
700 (duplicate_loop_to_header_edge): Use
701 update_single_exit_for_duplicated_loops.
702 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
703 functions only with ENABLE_CHECKING.
705 2006-11-12 Andreas Schwab <schwab@suse.de>
707 * except.c (sjlj_emit_function_enter): Remove unused variable.
709 2006-11-11 Roger Sayle <roger@eyesopen.com>
711 * fold-const.c (int_binop_types_match_p): New function.
712 (size_binop): Relax constraint that both arguments must both have
713 exactly the same sizetype type. Instead use int_binop_types_match_p.
714 (size_diffop): Likewise.
716 (make_range): Use build_int_cst instead of fold_convert.
717 (fold_cond_expr_with_comparison): Use build_int_cst to construct
718 integer constants of the correct type.
719 (fold_div_compare): Likewise.
720 (fold_single_bit_test): Likewise.
721 (fold_binary): Likewise.
722 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
723 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
725 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
728 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
729 non null value if the struct memory access is in the 0th
732 2006-11-12 Jie Zhang <jie.zhang@analog.com>
735 2006-11-11 Jie Zhang <jie.zhang@analog.com>
736 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
739 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
740 instead of builtin_define for bfin and BFIN.
742 2006-11-11 Jie Zhang <jie.zhang@analog.com>
744 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
747 2006-11-11 Jan Hubicka <jh@suse.cz>
749 * extended.texi (__builtin_expect): We no longer require second argument
751 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
752 * builtins.c (expand_builtin_expect): Simplify.
753 (expand_builtin_expect_jump): Kill.
754 * final.c (final_scan_insn): Do not skip the removed notes.
755 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
756 EXPECTED_VALUE): Remove.
757 * dojump.c (do_jump): Do not care about __builtin_expect.
758 * predict.c (expected_value_to_br_prob): Kill.
759 * function.c (expand_function_end): Do not expand
760 NOTE_INSN_REPEATED_LINE_NUMBER.
761 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
762 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
763 * cfgexpand.c (add_reg_br_prob_note): Export.
764 * cfgcleanup.c (rest_of_handle_jump2): Do not call
765 expected_value_to_br_prob.
766 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
767 * rtl.h (add_reg_br_prob_note): Declare.
769 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
773 2006-11-11 Jan Hubicka <jh@suse.cz>
775 * predict.c (predict_loops): Kill RTL variant.
777 2006-11-11 Jan Hubicka <jh@suse.cz>
779 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
780 * modulo-sched.c (find_line_note): Remove.
781 (loop_canon_p): Do not worry about line number notes.
782 (sms_schedule): Likewise.
783 * cse.c (cse_main): Likewise.
784 * regmove.c (fixup_match_1): Likewise
785 * function.c (emit_return_info_block): Likewise.
786 (expand_function_end): Likewise.
787 (thread_prologue_an_epilogue_insns): Likewise.
788 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
790 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
791 emit_note_copy_after): Kill.
792 (emit_note_copy): Do not worry about line numbers.
793 * jump.c (purge_line_number_notes): Kill.
794 (pass_purge_lineno_notes): Kill.
795 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
797 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
798 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
799 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
800 * tree-pass.h (pass_purge_lineno_notes): Kill.
801 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
802 rm_redundant_line_notes.
803 * sched-rgb.c (schedule_region): Don't rm_line_notes,
804 rm_redundant_line_notes.
805 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
806 * haifa-sched.c: Update comment about handling notes.
807 (unlink_line_notes): Kill.
808 (rm_line_notes): Kill.
809 (save_line_notes): Simplify.
810 (rm_redundant_line_notes): Kill.
812 2006-11-11 Richard Guenther <rguenther@suse.de>
814 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
815 Remove unused tree codes.
816 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
817 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
818 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
819 * tree.c (stabilize_reference): Likewise.
820 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
821 fold_unary): Likewise.
822 * tree-gimple.c (is_gimple_cast): Likewise.
823 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
824 * expr.c (expand_expr_real_1): Likewise.
825 * tree-eh.c (tree_could_trap_p): Likewise.
826 * gimplify.c (gimplify_expr): Likewise.
827 * tree-inline.c (estimate_num_insns_1): Likewise.
828 * tree-cfg.c (verify_expr): Likewise.
830 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
832 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
833 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
834 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
836 2006-11-11 Richard Sandiford <richard@codesourcery.com>
839 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
840 constraints accept neither registers or memories.
842 2006-11-11 Jie Zhang <jie.zhang@analog.com>
844 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
845 (NO_PROFILE_COUNTERS): Define as 1.
847 2006-11-10 Roger Sayle <roger@eyesopen.com>
849 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
850 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
852 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
854 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
856 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
859 (fold_builtin_hypot): Likewise.
860 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
862 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
864 2006-11-10 Roger Sayle <roger@eyesopen.com>
866 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
867 when attempting to build INTEGER_CSTs of non-integral types.
868 * expmed.c (make_tree): Use the correct type, i.e. the inner
869 type, when constructing the individual elements of a CONST_VECTOR.
871 2006-11-10 Jan Hubicka <jh@suse.cz>
873 * cse.c (cse_process_notes): Copy the propagated value.
874 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
876 * gcse.c (try_replace_reg): Copy the replacement.
877 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
878 (assign_386_stack_local): Always return copied memory expression
879 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
882 2006-11-10 Jan Hubicka <jh@suse.cz>
884 * final.c (final): Walk from first instruction.
885 * cfglayout.c (insn_locators_initialize): Remove line number notes.
887 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
890 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
892 (umulv8hi3_highpart): Ditto.
893 (vec_widen_smult_hi_v8hi): New expander.
894 (vec_widen_smult_lo_v8hi): Ditto.
896 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
899 * builtins.c (do_mpfr_arg3): New.
900 (fold_builtin_1): Handle builtins fma, fmin and fmax.
902 2006-11-09 Eric Christopher <echristo@apple.com>
907 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
908 * config.gcc (powerpc64-*-darwin*): New target.
909 * config.host: Ditto.
910 * config/rs6000/darwin64.h: New file.
911 * config/rs6000/x-darwin64: Ditto.
912 * config/rs6000/host-ppc64-darwin.c: Ditto.
914 2006-11-09 Steve Ellcey <sje@cup.hp.com>
916 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
917 routines for integer division.
919 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
921 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
923 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
926 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
928 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
930 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
931 simplify_subreg with BLKmode outer mode.
933 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
935 * doc/invoke.texi: Minor formatting fixes in option lists.
937 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
939 PR tree-optimization/29738
940 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
941 (ccp_lattice_t): Remove UNKNOWN_VAL.
942 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
943 Do not handle UNKNOWN_VAL.
944 (get_default_value): Set initial value of virtual operands to
946 (get_value): Always use get_default_value on uninitialized
948 (set_value_varying, surely_varying_stmt_p): New functions.
949 (set_lattice_value): Do not pass argument to get_value.
950 Do not handle UNKNOWN_VAL.
951 (likely_value): Follow the semantics described in the comment.
952 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
953 phi nodes DONT_SIMULATE_AGAIN.
954 (ccp_fold): Do not pass argument to get_value.
955 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
958 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
960 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
961 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
963 2006-11-08 Roger Sayle <roger@eyesopen.com>
965 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
966 test for inclusion rather than as a test for exclusion.
967 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
968 the condition after calling fold_binary.
969 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
970 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
971 * builtins.c (fold_builtin_isascii): Likewise.
972 (fold_builtin_isdigit): Likewise.
974 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
976 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
977 * configure: Regenerate.
979 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
981 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
982 enum argument instead of bool.
983 (vect_analyze_operations): Call vectorizable_type_promotion.
984 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
985 stmt_vec_info_type value.
986 (supportable_widening_operation, vectorizable_type_promotion): New
987 function declarations.
988 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
989 (vectorizable_type_promotion): New function.
990 (vect_transform_stmt): Call vectorizable_type_promotion.
991 * tree-vect-analyze.c (supportable_widening_operation): New function.
992 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
994 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
997 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
998 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
999 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1001 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1002 * expr.c (expand_expr_real_1): Likewise.
1003 * optabs.c (optab_for_tree_code): Likewise.
1004 (init_optabs): Initialize new optabs.
1005 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1006 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1007 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1008 vec_unpacku_lo_optab): Initialize new optabs.
1009 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1010 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1011 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1013 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1014 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1015 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1016 (vec_unpacku_lo_optab): New optabs.
1017 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1018 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1019 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1020 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1021 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1022 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1024 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1025 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1026 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1027 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1028 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1029 implement the unsigned unpacking patterns.
1030 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1031 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1032 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1033 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1034 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1035 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1036 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1037 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1038 multiplication patterns.
1040 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1041 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1042 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1043 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1044 (rs6000_builtin_mul_widen_odd): New.
1045 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1046 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1047 * tree-vectorizer.h (enum vect_relevant): New enum type.
1048 (_stmt_vec_info): Field relevant chaned from bool to enum
1050 (STMT_VINFO_RELEVANT_P): Updated.
1051 (STMT_VINFO_RELEVANT): New.
1052 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1053 instead of STMT_VINFO_RELEVANT_P.
1054 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1055 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1056 and boolean variable with enum vect_relevant.
1057 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1058 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1059 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1061 2006-11-08 Richard Henderson <rth@redhat.com>
1063 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1064 vec_widen_umult_lo_v8hi): New.
1065 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1066 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1068 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1069 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1070 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1071 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1072 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1073 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1074 vec_unpacks_lo_v4si): New.
1076 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1078 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1079 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1080 (vect_analyze_operations): Call vectorizable_type_demotion.
1081 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1082 stmt_vec_info_type value.
1083 (vectorizable_type_demotion): New function declaration.
1084 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1087 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1088 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1090 * tree-iniline.c (estimate_num_insns_1): Likewise.
1091 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1092 * optabs.c (optab_for_tree_code): Likewise.
1094 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1095 compared against the predicate of the result is not 'mode' (the input
1096 to the function) but a mode with half the size of 'mode'.
1097 (init_optab): Initialize new optabs.
1098 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1100 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1102 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1103 (vec_pack_usat_optab): Initialize new optabs.
1104 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1105 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1107 2006-11-08 Richard Henderson <rth@redehat.com>
1109 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1110 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1111 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1112 (vec_interleave_highv4si, vec_interleave_lowv4si):
1113 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1115 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1117 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1119 (vect_transform_stmt): Removed redundant code.
1121 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1123 * tree-vect-transform.c (vectorizable_operation): Support multiple
1126 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1128 * tree-vect-transform.c (vect_align_data_ref): Removed.
1129 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1130 Updated function documentation. Return the increment stmt in ptr_incr.
1131 (bump_vector_ptr): New function.
1132 (vect_get_vec_def_for_stmt_copy): New function.
1133 (vect_finish_stmt_generation): Create a stmt_info to newly created
1135 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1137 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1138 VF is greater than the number of elements that can fit in one vector
1140 (vectorizable_operation, vectorizable_condition): Likewise.
1141 (vectorizable_store, vectorizable_load): Support the case that the VF
1142 is greater than the number of elements that can fit in one vector word.
1143 (vect_transform_loop): Don't fail in case of multiple data-types.
1144 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1145 in case of multiple data-types; the smallest type determines the VF.
1146 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1147 if they are of different sizes.
1148 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1149 number of elements rather than number of bytes.
1150 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1151 (vect_can_advance_ivs_p): Fix a dump printout
1153 2006-11-07 Eric Christopher <echristo@apple.com>
1155 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1156 (__bswapsi2): Ditto.
1157 * libgcc2.h: Remove transformation of bswap routines.
1158 * config/i386/i386.md (bswapsi2): New.
1161 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1163 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1164 (handle_gnu_inline_attribute): New function.
1165 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1166 (merge_decls, start_decl, start_function): Likewise.
1167 * doc/extend.texi: Document gnu_inline attribute.
1169 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1172 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1173 _fixunstfdi, and _floatditf
1175 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1177 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1179 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1180 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1181 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1182 which start in an odd register.
1184 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1186 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1188 2006-11-07 Josh Conner <jconner@apple.com>
1190 * doc/invoke.texi (fstrict-aliasing): Move implementation
1192 * doc/tree-ssa.texi (Alias analysis): ...here.
1194 2006-11-07 Richard Guenther <rguenther@suse.de>
1196 PR tree-optimization/29610
1197 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1198 of tree_purge_dead_eh_edges as it may free dominators.
1200 * g++.dg/other/pr29610.C: New testcase.
1202 2006-11-07 David Ung <davidu@mips.com>
1204 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1205 costs when optimizing for size.
1206 (override_options): Use mips_rtx_cost_optimize_size table for cost
1209 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1211 * gcc.c (process_command): Treat -b as normal switch if its argument
1214 2006-11-07 David Ung <davidu@mips.com>
1216 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1219 2006-11-06 Eric Christopher <echristo@apple.com>
1221 * config.gcc: Add x86_64-darwin host support.
1222 * config.host: Ditto.
1223 * config/i386/darwin64.h: New file.
1224 * config/i386/t-darwin64: Ditto.
1226 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1228 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1229 and output-exists-not.
1231 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1234 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1235 checking for overflow.
1237 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1239 * configure.ac: Fixed typo in case statement: :: changed to ;;
1241 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1243 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1244 count_leading_zeros, and count_trailing_zeros.
1245 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1246 (TARGET_FOLD_BUILTIN): Define.
1247 (TARGET_EXPAND_BUILTIN): Define.
1248 (xtensa_init_builtins): New.
1249 (xtensa_fold_builtin): New.
1250 (xtensa_expand_builtin): New.
1251 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1252 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1253 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1254 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1255 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1256 (any_extend): New code macro.
1257 (u, su): New code attributes.
1258 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1259 (nsau): Remove; replaced by clzsi2.
1260 (ffssi2): Use clzsi2.
1261 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1262 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1263 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1264 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1265 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1267 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1269 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1271 * config/arm/t-strongarm-elf: Likewise.
1272 * config/arm/t-pe: Likewise.
1273 * config/arm/t-arm-elf: Likewise.
1274 * config/arm/t-xscale-elf: Likewise.
1275 * config/arm/t-arm-coff: Likewise.
1276 * config/arm/t-xscale-coff: Likewise.
1277 * config/arm/t-wince-pe: Likewise.
1279 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1281 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1284 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1287 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1290 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1293 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1294 as a valid 80387 constant.
1295 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1296 * config/i386/i386.md (unnamed splitter): Split the load of
1297 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1300 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1302 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1303 from the soft-frame, argument and virtual registers.
1305 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1307 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1308 patterns for standard 80387 constants.
1310 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1311 Steven Bosscher <steven@gcc.gnu.org>
1313 * fwprop.c: New file.
1314 * Makefile.in: Add fwprop.o.
1315 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1316 * passes.c (init_optimization_passes): Schedule forward propagation.
1317 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1319 * timevar.def (TV_FWPROP): New.
1320 * common.opt (-fforward-propagate): New.
1321 * opts.c (decode_options): Enable forward propagation at -O2.
1322 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1323 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1324 canon_for_address, table_size): Remove.
1325 (new_basic_block, insert, remove_from_table): Remove references to
1327 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1328 simplification loop more straightforward by not calling fold_rtx
1330 (equiv_constant): Move here a small part of fold_rtx_subreg,
1331 do not call fold_rtx. Call avoid_constant_pool_reference
1333 * recog.h (canonicalize_change_group): New.
1335 * doc/invoke.texi (Optimization Options): Document fwprop.
1336 * doc/passes.texi (RTL passes): Document fwprop.
1338 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1340 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1341 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1342 (grokdeclarator): Likewise.
1344 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1346 * tree-dump.c (dump_enable_all): Rename local variable
1347 ir_type to avoid name conflicts.
1348 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1349 instead of using ir_type().
1350 * profile.c (tree_register_profile_hooks): Likewise.
1351 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1352 * basic-block.h (struct edge_def): Likewise.
1353 * config/arm/arm.c (legitimize_pic_address): Likewise.
1354 * coretypes.h (ir_type): New enum of all intermediate languages
1356 * cfghooks.c (ir_type): Rename to...
1357 (current_ir_type): ...this. Distinguish between cfgrtl and
1358 cfglayout mode when the current IR is RTL. Return enum ir_type.
1359 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1361 2006-11-03 Paul Brook <paul@codesourcery.com>
1363 * config/arm/arm.c (arm_file_start): New function.
1364 (TARGET_ASM_FILE_START): Define.
1365 (arm_default_cpu): New variable.
1366 (arm_override_options): Set arm_default_cpu.
1368 2006-11-03 David Ung <davidu@mips.com>
1370 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1371 PROCESSOR_24KC and PROCESSOR_24KF.
1372 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1373 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1374 (mips_rtx_cost_data): Add costs for the 24kc.
1375 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1376 * config/mips/24k.md: Remove references to 24k and replace with
1377 uses of 24kc/24kf in the appropriate reservations.
1378 * doc/invoke.texi (MIPS Options): Updated.
1380 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1382 * config/sh/crt1.asm: Fix #ifdef indent.
1384 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1385 Merged from STMicroelectronics sources:
1386 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1387 * config/sh/crt1.asm (vbr_600): Add missing #if.
1388 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1389 * sh.opt (mfused-madd): New option.
1390 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1391 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1392 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1393 Remove pointless handler at VBR+0.
1394 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1395 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1396 fr7. Make sure the timer handler is called with the correct FPU
1397 precision setting, according to the ABI.
1398 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1399 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1400 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1401 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1402 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1403 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1404 zero as second operand.
1405 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1406 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1407 Fixed some bugs related to negative values, in particular -0
1408 and overflow at -0x80000000.
1409 * config/sh/divcost-analysis: Added sh4-300 figures.
1410 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1411 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1412 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1413 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1414 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1415 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1417 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1419 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1420 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1421 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1422 mac_mem, mem_mac, dfp_mul, fp_cmp.
1423 (insn_class, dfp_comp, any_fp_comp): Update.
1424 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1425 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1426 (muldf3_i): Likewise.
1427 (movsi_i): Split rI08 alternative into two separate alternatives.
1429 (movsi_ie, movsi_i_lowpart): Likewise.
1430 (movqi_i): Split ri alternative into two separate alternatives.
1432 * sh1.md (sh1_load_store, sh1_fp): Update.
1433 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1434 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1435 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1436 (sh4a_fp_double_arith): Likewise.
1437 * sh4-300.md: New file.
1438 * sh.c (sh_handle_option): Handle m4-300* options.
1439 (sh_adjust_cost): Fix latency of auto-increments.
1440 Handle SH4-300 differently than other SH4s. Check for new insn types.
1441 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1442 been set by an option.
1443 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1444 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1445 (mbranch-cost=): Likewise.
1446 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1448 * sh.md (mulsf3): Remove special expansion code.
1449 (mulsf3_ie): Now a define_insn_and_split.
1450 (macsf3): Allow for TARGET_SH4.
1452 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1453 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1454 (expand_cbranchdi4): Likewise.
1455 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1456 CONST_DOUBLE if the outer code is COMPARE.
1457 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1458 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1459 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1460 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1461 Remove redundant fp_{zero,one}_operand checks.
1462 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1463 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1464 (expand_cbranchdi4): Likewise.
1465 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1466 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1468 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1470 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1473 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1475 * doc/invoke.texi: Fix mfp-trap-mode typo.
1477 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1479 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1480 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1481 file_end_indicate_exec_stack.
1482 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1484 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1485 for a non-executable stack.
1486 * crti.asm: Likewise.
1487 * crtn.asm: Likewise.
1488 * libunwind.S: Likewise.
1490 2006-11-02 Ben Elliston <bje@au.ibm.com>
1492 * tree-ssa.c (warn_uninit): Use expand_location variables for
1493 locus and declaration locus.
1495 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1498 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1499 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1500 cmp{eq,gt,gtu}{si,di}_media.
1501 (*cmpne0si_media): Remove.
1502 (*movsicc_umin): Adjust gen_cmp*_media call.
1503 (unordered): Change the mode of unordered and operands[1] to
1505 (seq): Adjust gen_cmp*_media calls. Make the mode of
1506 a temporary result of compare SImode if needed. If the mode
1507 of operands[0] is DImode, extend the temporary result to DImode.
1508 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1509 (sunorderd): Change the mode of match_operand and unorderd to
1511 (cmpeq{sf,df}_media): Remove.
1512 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1513 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1514 and compare operation to SImode.
1516 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1518 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1520 (sparc64-sun-solaris2*): Likewise.
1522 2006-11-02 Paul Brook <paul@codesourcery.com>
1524 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1525 from priority argument. Use different section for non-default
1527 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1529 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1532 * except.c (switch_to_exception_section): Do not cache the section
1533 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1534 and flag_function_sections is set.
1536 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1539 * builtins.c (do_mpfr_sincos): New.
1540 (fold_builtin_1): Use it to fold builtin sincos.
1542 2006-11-01 Roger Sayle <roger@eyesopen.com>
1544 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1545 it into -D_REENTRANT.
1547 2006-11-01 Roger Sayle <roger@eyesopen.com>
1549 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1550 whether the assembler supports taking the difference of symbols in
1551 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1552 * configure: Regenerate.
1553 * config.in: Regenerate.
1554 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1555 the assembler doesn't support taking the difference of symbols in
1556 different sections, i.e. we're using the native solaris assembler.
1558 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1559 Peter Bergner <bergner@vnet.ibm.com>
1561 * doc/invoke.texi: Add cpu_type power6x
1562 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1563 * config.gcc: Add cpu_type power6x.
1564 * configure.ac: Add test for mf{t,f}gpr instructions.
1565 (HAVE_AS_MFPGPR): New.
1566 * config.in: Regenerate.
1567 * configure: Regenerate.
1568 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1569 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1570 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1571 and mftgpr attributes.
1572 (define_attr "cpu"): Add power6.
1573 Change instruction sequences to use new attributes.
1574 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1575 (fix_truncdfsi2_mfpgpr): New.
1576 (floatsidf_ppc64_mfpgpr): New.
1577 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1578 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1579 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1580 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1581 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1582 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1583 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1584 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1585 cntlz,exts and var_delayed_compare.
1586 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1587 _ARCH_PWR6X, if features enabled.
1588 * config/rs6000/rs6000.opt (mmfpgpr): New.
1589 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1590 (cached_can_issue_more): New variable.
1591 (processor_costs): Add power6_cost.
1592 (rs6000_sched_init): New function.
1593 (is_dispatch_slot_restricted): Deleted.
1594 (set_to_load_agen): New function.
1595 (is_load_insn,is_store_insn): New functions.
1596 (adjacent_mem_locations): New function.
1597 (insn_must_be_first_in_group): New function.
1598 (insn_must_be_last_in_group): New function.
1599 (rs6000_sched_reorder): New function.
1600 (rs6000_sched_reorder2): New function.
1601 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1602 TARGET_SCHED_REORDER2): Define.
1603 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1604 Add power6x. Add MASK_MFPGPR for power6x.
1605 (POWERPC_MASKS): Add MASK_MFPGPR.
1606 (rs6000_override_options): Set rs6000_always_hint to false
1607 for power6. Set rs6000_align_branch_targets. Replace
1608 rs6000_sched_groups check with rs6000_align_branch_targets.
1609 Use PROCESSOR_POWER6.
1610 (last_scheduled_insn): New variable.
1611 (load_store_pendulum): New variable.
1612 (rs6000_variable_issue): Set last_scheduled_insn and
1613 cached_can_issue_more.
1614 (rs6000_adjust_cost): Add power6 cost adjustments.
1615 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1616 with insn_must_be_first_in_group. Add power6 priority adjustments.
1617 (rs6000_issue_rate): Add CPU_POWER6.
1618 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1619 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1620 (TARGET_MFPGPR): New.
1621 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1622 (ASM_CPU_SPEC): Add power6x.
1623 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1625 * config/rs6000/power6.md: New file.
1627 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1629 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1630 HOST_WIDE_INT_PRINT to print high and low parts. Use
1631 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1632 printing a hexadecimal number prefix it with 0x.
1634 2006-11-01 Chris Johns <chris@contemporary.net.au>
1637 * Makefile.in (install-driver): Use exeext when installing
1638 $target-gcc-$version.
1640 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1642 * c-common.c (flag_cpp0x): New.
1643 * c-common.h (flag_cpp0x): New.
1644 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1645 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1646 * c-opts.c (set_std_cxx0x): New.
1647 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1648 * c.opt (std=c++0x): Document.
1649 (std=gnu++0x): Ditto.
1650 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1651 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1653 2006-11-01 Richard Guenther <rguenther@suse.de>
1655 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1657 (ix86_expand_floorceildf_32): Likewise.
1658 (ix86_expand_floorceil): Likewise.
1659 (ix86_expand_trunc): Likewise.
1661 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1663 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1666 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1668 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1670 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1672 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1674 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1675 * configure.ac (use_cxa_atexit): As a special case, don't test
1676 for libc definition of __cxa_atexit on mingw32
1677 * configure: Regenerate.
1678 * config.gcc (i[34567]86-pc-mingw32): Default to
1679 enable__cxa_atexit=yes.
1681 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1683 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1685 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1688 * c-decl.c (start_struct): Don't create self-containing
1690 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1692 * config/rs6000/rs6000-protos.h
1693 (darwin_rs6000_special_round_type_align): New.
1694 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1695 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1697 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1699 * toplev.c (compile_file): Call final_write_globals
1700 even if there have been errors.
1702 2006-10-31 Eric Christopher <echristo@apple.com>
1703 Falk Hueffner <falk@debian.org>
1705 * doc/extend.texi (__builtin_bswap32): Document.
1706 (__builtin_bswap64): Ditto.
1707 * doc/libgcc.texi (bswapsi2): Document.
1709 * doc/rtl.texi (bswap): Document.
1710 * optabs.c (expand_unop): Don't widen a bswap.
1711 (init_optabs): Init bswap. Set libfuncs explicitly
1712 for bswapsi2 and bswapdi2.
1713 * optabs.h (OTI_bswap): New.
1714 (bswap_optab): Ditto.
1715 * genopinit.c (optabs): Handle bswap_optab.
1716 * tree.h (tree_index): Add TI_UINT32_TYPE and
1718 (uint32_type_node): New.
1719 (uint64_type_node): Ditto.
1720 * tree.c (build_common_tree_nodes_2): Initialize
1721 uint32_type_node and uint64_type_node.
1722 * builtins.c (expand_builtin_bswap): New.
1723 (expand_builtin): Call.
1724 (fold_builtin_bswap): New.
1725 (fold_builtin_1): Call.
1726 * fold-const.c (tree_expr_nonnegative_p): Return true
1728 * builtin-types.def (BT_UINT32): New.
1730 (BT_FN_UINT32_UINT32): Ditto.
1731 (BT_FN_UINT64_UINT64): Ditto.
1732 * builtins.def (BUILT_IN_BSWAP32): New.
1733 (BUILT_IN_BSWAP64): Ditto.
1734 * rtl.def (BSWAP): New.
1735 * genattrtab.c (check_attr_value): New.
1736 * libgcc2.c (__bswapSI2): New.
1737 (__bswapDI2): Ditto.
1738 * libgcc2.h (__bswapSI2): Declare.
1739 (__bswapDI2): Ditto.
1740 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1741 * simplify-rtx.c (simplify_const_unary_operation): Return
1743 * libgcc-std.ver (__bwapsi2): Add.
1744 (__bswapdi2): Ditto.
1745 * reload1.c (eliminate_regs_1): Add bswap.
1746 (elimination_effects): Ditto.
1747 * config/i386/i386.h (x86_bswap): New.
1748 (TARGET_BSWAP): Use.
1749 * config/i386/i386.c (x86_bswap): Set.
1751 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1753 * coverage.c (coverage_checksum_string): Update comment.
1754 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1755 of get_file_function_name.
1756 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1757 of get_file_function_name_long.
1758 * tree.c (get_file_function_name): Rename from
1759 get_file_function_name_long; improve comment; handle 'I' and 'D'
1760 specially when the target has ctor/dtor support; remove special
1762 (get_file_function_name): Remove.
1763 * tree.h (get_file_function_name): Rename from
1764 get_file_function_name_long.
1765 (get_file_function_name): Remove prototype.
1767 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1769 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1770 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1772 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1773 Call dsymutil when compiling and linking one or more source files
1776 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1779 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1781 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1783 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1784 inline static functions in c99 mode.
1787 * doc/extend.texi (Inline): Update.
1788 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1789 * c-decl.c (current_extern_inline): Delete.
1790 (pop_scope): Adjust test for an undefined nested function.
1791 Add warning about undeclared inline function.
1792 (diagnose_mismatched_decls): Update comments. Disallow overriding
1793 of inline functions in a translation unit in C99. Allow inline
1794 declarations in C99 at any time.
1795 (merge_decls): Boolize variables. Handle C99 'extern inline'
1797 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1798 C99 inline semantics.
1799 (start_function): Don't clear current_extern_inline. Don't set
1801 (c_push_function_context): Don't push current_extern_inline.
1802 (c_pop_function_context): Don't restore current_extern_inline.
1805 * c-typeck.c (build_external_ref): Warn about static variables
1806 used in extern inline functions.
1807 * c-decl.c (start_decl): Warn about static variables declared
1808 in extern inline functions.
1810 2006-10-31 Roger Sayle <roger@eyesopen.com>
1813 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1814 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1815 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1816 or y is an even integer.
1818 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1821 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1822 * gthr-posix95.h (__gthread_active_p): Likewise.
1824 2006-10-31 Richard Guenther <rguenther@suse.de>
1826 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1827 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1828 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1829 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1830 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1831 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1832 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1833 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1836 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1838 * opts.c (decode_options): Disable CSE skip blocks.
1840 2006-10-30 Dirk Mueller <dmueller@suse.de>
1842 * c-common.h (strict_aliasing_warning): Fix whitespace.
1843 * c-decl (start_function): Move code for main decl warning ..
1844 * c-common.c (check_main_parameter_types): .. here.
1845 * c-common.h (check_main_parameter_types): Declare.
1847 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1850 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1852 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1854 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1855 be a PARALLEL containing sets. Return false when out_pat is not
1858 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1860 * config/mips/mips.md (mul<mode>3): Split into...
1861 (mulsi3, muldi3): ...these separate patterns.
1863 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1865 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1866 but with each set of options separated by spaces.
1868 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1870 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1871 dwarf_reg_size_table has been initialized.
1873 2006-10-30 Roger Sayle <roger@eyesopen.com>
1875 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1876 * ddg.c (print_ddg_edge): Likewise.
1877 * dwarf2out.c (prune_unused_types_walk): Likewise.
1878 * ifcvt.c (noce_try_cmove_arith): Likewise.
1879 * langhooks.c (add_builtin_function): Likewise.
1880 * reg-stack.c (subst_stack_regs_pat): Likewise.
1881 * tree.c (expanded_location): Likewise.
1882 * tree-dump.c (dequeue_and_dump): Likewise.
1884 2006-10-30 David Daney <ddaney@avtrex.com>
1886 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1888 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1890 PR tree-optimization/29637
1891 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1892 of the innertype is the innertype itself.
1894 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1896 * dwarf2out.c (file_name_acquire): Correct typo.
1898 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1900 * tree.h (tree_value_handle): Remove struct value_set declaration.
1901 Change value_set to bitmap_set.
1902 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1903 * tree-vn.c (get_value_handle): Made inline and moved to
1905 * tree-flow-inline.h: (has_stmt_ann): New function.
1906 * tree-ssa-pre.c (expressions): New variable.
1907 (next_expression_id): Ditto.
1908 (alloc_expression_id): New function.
1909 (struct value_set): Remove.
1910 (get_expression_id): New function.
1911 (get_or_alloc_expression_id): Ditto.
1912 (expression_for_id): Ditto.
1913 (clear_expression_ids): Ditto.
1914 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1915 (bb_value_sets): Renamed to bb_bitmap_sets.
1916 All value sets replaced with bitmap_sets.
1918 (BB_VISITED): New macro.
1919 (postorder): New variable.
1920 (add_to_value): Removed.
1921 (value_exists_in_set_bitmap): Ditto.
1922 (value_insert_into_set_bitmap): Ditto.
1925 (set_remove): Ditto.
1926 (set_contains_value): Ditto.
1927 (insert_into_set): Ditto.
1929 (find_leader): Ditto.
1930 (bitmap_set_subtract_from_value_set): Ditto.
1931 (value_insert_into_set): Ditto.
1932 (print_value_set): Ditto.
1933 (debug_value_set): Ditto.
1934 (constant_expr_p): New function.
1935 (bitmap_remove_from_set): Ditto.
1936 (bitmap_insert_into_set): Ditto.
1937 (bitmap_set_free): Ditto.
1938 (vh_compare): Ditto.
1939 (sorted_array_from_bitmap_set): Ditto.
1940 (bitmap_set_subtract): Ditto.
1941 (bitmap_set_equal): Ditto.
1942 (debug_bitmap_set): Ditto.
1943 (find_leader_in_sets): Ditto.
1944 (bitmap_set_replace_value): Modify for bitmapped sets.
1945 (phi_translate): Ditto.
1946 (phi_translate_set): Ditto.
1947 (bitmap_find_leader): Ditto.
1948 (valid_in_sets): Ditto.
1949 (union_contains_value): Ditto.
1951 (compute_antic_aux): Ditto. Mark changed blocks.
1952 (compute_antic): Ditto. Iterate in postorder and only over
1954 (compute_rvuse_and_antic_safe): Reuse postorder.
1955 (create_component_ref_by_pieces): Modify for bitmapped sets.
1956 (find_or_generate_expression): Ditto.
1957 (create_expression_by_pieces): Ditto.
1958 (insert_into_preds_of_block): Ditto.
1959 (changed_blocks): New variable.
1960 (do_regular_insertion): Broken out from insert_aux.
1961 (insert_aux): Modified for bitmapped sets.
1962 (find_existing_value_expr): New function.
1963 (create_value_expr_from): Use it.
1964 (insert_extra_phis): Removed.
1965 (print_bitmap_set): Renamed from bitmap_print_value_set.
1966 (compute_avail): Handle RETURN_EXPR.
1967 (init_pre): Modify for bitmapped sets.
1968 * tree-flow.h (has_stmt_ann): New function.
1970 2006-10-29 Roger Sayle <roger@eyesopen.com>
1972 * builtins.c (fold_builtin_floor): Check for the availability of
1973 the C99 trunc function before transforming floor into trunc.
1975 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1977 * builtins.c (fold_builtin_hypot): Rearrange recursive
1978 transformation before others, and also do ABS_EXPR. When
1979 necessary, check flag_unsafe_math_optimizations. When necessary,
1982 2006-10-29 Roger Sayle <roger@eyesopen.com>
1984 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1985 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1986 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1987 Fold -X eq/ne -Y as X eq/ne Y.
1989 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1991 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1992 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1993 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1994 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1995 Use an inclusive test for "mult" rather than "mul".
1996 (rotr<mode>3): Depend on ISA_HAS_ROR.
1997 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1999 (GENERATE_MULT3_DI): Delete.
2000 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2001 (ISA_HAS_MUL3): New macro.
2002 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2003 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2004 (ISA_HAS_CLZ_CLO): Likewise.
2005 (ISA_HAS_DCLZ_DCLO): Delete.
2006 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2007 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2008 the VR4120 and VR4130.
2009 (ISA_HAS_MACCHI): Use consistent formatting.
2010 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2011 (ISA_HAS_ROR): ...this new macro.
2012 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2013 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2014 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2016 2006-10-29 Roger Sayle <roger@eyesopen.com>
2018 PR tree-optimization/15458
2019 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2022 2006-10-29 Richard Guenther <rguenther@suse.de>
2024 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2025 (ix86_expand_truncdf_32): Likewise.
2026 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2027 trunc inline for SSE math and -fno-trapping-math and if not
2028 optimizing for size.
2029 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2030 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2031 for expanding btrunc inline for SSE math.
2033 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2035 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2036 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2037 i[34567]86-*-solaris2.1[0-9]*.
2038 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2039 Define conditionally depending on TARGET_64BIT_DEFAULT.
2040 (SPEC_32, SPEC_64): Define.
2041 (LINK_SPEC): Use them.
2042 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2044 2006-10-29 Richard Guenther <rguenther@suse.de>
2046 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2047 (ix86_expand_rounddf_32): Likewise.
2048 * config/i386/i386.c (ix86_expand_round): New function expanding
2049 round inline for SSE math and -fno-trapping-math and if not
2050 optimizing for size.
2051 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2052 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2053 round via ix86_expand_round.
2055 2006-10-29 Richard Guenther <rguenther@suse.de>
2057 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2058 (ix86_expand_floorceildf_32): Likewise.
2059 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2060 static helper function.
2061 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2063 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2064 * config/i386/i386.md (floordf2): Adjust to enable floor
2065 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2066 -fno-trapping-math is enabled and if not optimizing for size.
2067 (floorsf2, ceildf2, ceilsf2): Likewise.
2068 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2069 (sse2_maskcmpdf3): Likewise.
2071 2006-10-29 Richard Guenther <rguenther@suse.de>
2073 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2074 rint in case -fno-trapping-math is enabled.
2075 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2076 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2077 (ix86_expand_sse_fabs): Likewise.
2078 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2079 * config/i386/i386.md (rintdf2): Enable for SSE math if
2080 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2081 (rintsf2): Likewise.
2083 2006-10-29 Richard Guenther <rguenther@suse.de>
2085 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2086 to conversion optabs.
2087 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2088 as conversion optab.
2089 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2090 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2091 (lfloor_optab, lceil_optab): Adjust defines.
2092 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2093 lfloor and lceil optabs now being conversion optabs.
2094 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2095 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2096 New static helper function.
2097 (ix86_expand_lfloorceil): New function to expand lfloor and
2099 * config/i386/i386.md (lfloor<mode>2): Split into ...
2100 (lfloorxf<mode>2): ... x87 variant
2101 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2102 using ix86_expand_lfloorceil.
2103 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2105 * doc/md.texi (lfloorMN, lceilMN): Document.
2107 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2109 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2110 -mno-shared assembler option on mips targets.
2111 * configure, config.in: Regenerate.
2112 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2113 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2114 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2116 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2118 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2119 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2121 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2123 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2124 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2127 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2130 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2131 (fold_builtin_pow): Evaluate constant arguments at compile-time
2133 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2134 (do_mpfr_ckconv): New helper function.
2135 (do_mpfr_arg1): Use do_mpfr_ckconv.
2136 (do_mpfr_arg2): New.
2138 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2141 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2142 (-fdump-rtl-sched): Rename to ..
2143 (-fdump-rtl-sched1): here. Also fix file extension number.
2145 2006-10-28 Richard Guenther <rguenther@suse.de>
2147 * fold-const.c (maybe_canonicalize_comparison): Fix code
2150 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2152 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2153 (NON_QI_REG_P): Use IN_RANGE.
2154 (REX_INT_REGNO_P): Use IN_RANGE.
2155 (FP_REGNO_P): Use IN_RANGE.
2156 (SSE_REGNO_P): Use IN_RANGE.
2157 (REX_SSE_REGNO_P): Use IN_RANGE.
2158 (MMX_REGNO_P): Use IN_RANGE.
2159 (STACK_REGNO_P): New macro.
2160 (STACK_REG_P): Use STACK_REGNO_P.
2161 (NON_STACK_REG_P): Use STACK_REGNO_P.
2162 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2163 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2164 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2165 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2166 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2168 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2170 * except.h (output_function_exception_table): Add 'const char*' param.
2171 * except.c (switch_to_exception_section): Add 'const char*' param.
2172 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2173 and flag_function_sections is set, use a function-specific section.
2174 (output_function_exception_table): Add 'const char*' param.
2175 Adjust call to switch_to_exception_section.
2176 * final.c (rest_of_handle_final): Adjust calls to
2177 output_function_exception_table.
2178 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2179 * config.in: Regenerate.
2180 * configure: Likewise.
2182 2006-10-28 Richard Guenther <rguenther@suse.de>
2185 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2186 for maybe_canonicalize_comparison.
2187 (maybe_canonicalize_comparison): New function for canonicalizing
2189 (fold_comparison): Call it to canonicalize comparisons with
2192 2006-10-28 Richard Guenther <rguenther@suse.de>
2195 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2196 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2197 (expand_builtin): Adjust likewise.
2198 * genopinit.c (optabs[]): Add lround optab.
2199 * optabs.c (init_optabs): Initialize lround_optab.
2200 * optabs.h (enum convert_optab_index): Add COI_lround.
2201 (lround_optab): Define.
2202 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2203 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2205 (ix86_expand_lround): New function.
2206 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2208 * doc/md.texi (lroundMN2): Document.
2210 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2213 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2214 argument to HOST_WIDE_INT. Update function prototype.
2215 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2216 "size" argument to HOST_WIDE_INT. Update function prototype.
2218 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2220 * config/i386/i386.c (output_387_ffreep): Create output from a
2221 template string for !HAVE_AS_IX86_FFREEP.
2223 2006-10-27 Eric Christopher <echristo@apple.com>
2225 * config/darwin.c: Fix formatting and grammar.
2227 2006-10-27 Jan Hubicka <jh@suse.cz>
2229 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2230 to be thrown away soon when IGNORE is set.
2231 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2232 indicating when return value shall not be computed.
2233 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2235 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2237 * config/i386/i386.h (TARGET_GEODE):
2238 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2239 (TARGET_CPU_DEFAULT_geode): New macro.
2240 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2241 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2242 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2243 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2244 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2246 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2247 (processor_type): Add PROCESSOR_GEODE.
2249 * config/i386/i386.md: Include geode.md.
2252 * config/i386/i386.c (geode_cost): New initialized global
2254 (m_GEODE, m_K6_GEODE): New macros.
2255 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2256 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2257 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2258 x86_schedule): Use m_K6_GEODE instead of m_K6.
2259 (x86_movx, x86_cmove): Set up m_GEODE.
2260 (x86_integer_DFmode_moves): Clear m_GEODE.
2261 (processor_target_table): Add entry for geode.
2262 (processor_alias_table): Ditto.
2264 * config/i386/geode.md: New file.
2266 * doc/invoke.texi: Add entry about geode processor.
2268 2006-10-27 Mike Stump <mrs@apple.com>
2270 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2271 __DYNAMIC__ from here back to ...
2272 * config/darwin.h (CPP_SPEC): ... here.
2274 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2275 Nathan Sidwell <nathan@codesourcery.com>
2277 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2278 when choosing the minimum heapsize.
2280 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2282 * gcc/unwind-dw2.h: Move cfa-related variables into
2283 struct frame_state_reg_info to ensure that the CFA is properly
2284 handled when executing DW_CFA_{remember,restore}_state.
2285 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2286 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2287 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2288 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2289 gcc/config/rs6000/linux-unwind.h,
2290 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2291 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2292 Modify to use new cfa_* fields.
2294 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2296 * config/s390/s390.c (s390_init_frame_layout): Check positive
2299 2006-10-26 Ben Elliston <bje@au.ibm.com>
2301 * gimplify.c (get_name): Remove extraneous break.
2302 (gimplify_omp_for): Initialise ret with GS_OK.
2304 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2306 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2307 Add unix98.o to link line.
2309 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2312 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2313 Calculate compile-time constants using MPFR.
2314 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2315 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2317 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2319 * config/xtensa/lib2funcs.S: Use C-style comments.
2321 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2323 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2324 (file_table_relative_p): Likewise.
2325 (dwarf2out_finish): Likewise.
2326 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2328 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2330 * tree-ssa-structalias.c (intra_create_variable_infos):
2331 Don't recreate nonlocal_all if it already exists.
2333 2006-10-25 Richard Guenther <rguenther@suse.de>
2336 * optabs.h (enum optab_index): Remove OTI_lrint.
2337 (enum convert_optab_index): Add COI_lrint.
2338 (lrint_optab): Adjust.
2339 (expand_sfix_optab): Declare.
2340 * optabs.c (expand_sfix_optab): New function.
2341 (init_optabs): Init lrint_optab as conversion optab.
2342 * genopinit.c (lrint_optab): Change to a conversion optab.
2343 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2344 expansion via conversion optab.
2345 * config/i386/i386.md (*fistdi2_1): Remove
2346 flag_unsafe_math_optimizations guard.
2347 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2348 fist<mode>2_with_temp): Likewise.
2349 (lrint<mode>2): Split into...
2350 (lrintxf<mode>2): ... x87 part
2351 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2352 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2353 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2354 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2355 * doc/md.texi (lrintMN2): Document.
2357 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2360 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2361 Use inc and dec instructions for TARGET_USE_INCDEC.
2362 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2363 ("sync_double_compare_and_swap<mode>"): Likewise.
2364 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2365 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2366 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2367 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2368 ("sync_old_add<mode>"): Likewise.
2369 ("sync_lock_test_and_set<mode>"): Likewise.
2370 ("sync_lock_test_and_set<mode>"): Likewise.
2371 ("sync_add<mode>"): Likewise.
2372 ("sync_sub<mode>"): Likewise.
2373 ("sync_ior<mode>"): Likewise.
2374 ("sync_and<mode>"): Likewise.
2375 ("sync_xor<mode>"): Likewise.
2377 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2379 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2380 (remainder_optab): Define corresponding macro.
2381 (drem_optab): Remove.
2382 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2383 drem_optab initialization.
2384 * genopinit.c (optabs): Implement remainder_optab using
2385 remainder?f3 patterns. Remove drem_optab.
2386 * builtins.c (expand_builtin_mathfn_2): Handle
2387 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2388 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2389 expand_builtin_mathfn_2.
2391 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2392 depend on flag_unsafe_math_optimizations.
2394 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2395 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2396 Do not depend on flag_unsafe_math_optimizations. Use
2397 truncxf?f expander instead of truncxf?f_i387_noop.
2399 ("fpremxf4", "fprem1xf4"): Do not depend on
2400 flag_unsafe_math_optimizations.
2401 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2402 flag_unsafe_math_optimizations. Use truncxf?f expander
2403 instead of truncxf?f_i387_noop.
2405 * doc/md.texi (fmod, remainder): Document standard named pattern.
2407 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2408 David Daney <ddaney@avtrex.com>
2411 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2413 2006-10-25 Ben Elliston <bje@au.ibm.com>
2415 * doc/extend.texi (Variable Attributes): Typo fix.
2417 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2419 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2420 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2421 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2422 (FRAME_POINTER_REGNUM): Update register number to 21.
2423 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2424 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2426 * config/i386/i386.c (regclass_map): Add fpcr entry.
2427 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2429 (print_reg): Assert REGNO (x) != FPCR_REG.
2431 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2432 (DIRFLAG_REG): Renumber.
2433 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2434 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2435 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2436 hardcoded SSE register numbers.
2438 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2439 hardcoded MMX register numbers.
2441 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2444 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2445 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2447 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2448 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2449 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2450 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2452 2006-10-24 Richard Guenther <rguenther@suse.de>
2455 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2456 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2457 for deciding optimizations in consistency with fold-const.c
2458 (fold_builtin_unordered_cmp): Likewise.
2460 2006-10-24 Richard Guenther <rguenther@suse.de>
2462 * builtins.c (fold_builtin_floor): Fold floor (x) where
2463 x is nonnegative to trunc (x).
2464 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2465 nonnegative to FIX_TRUNC_EXPR.
2467 2006-10-24 Richard Guenther <rguenther@suse.de>
2469 PR tree-optimization/29567
2470 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2471 for TRUTH_NOT_EXPR. Clarify comments.
2473 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2476 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2477 at compile-time using MPFR. Change parameter VALUE to FUNC,
2479 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2480 for overflow and underflow at all times and avoid folding in
2483 2006-10-24 Ben Elliston <bje@au.ibm.com>
2485 * reload1.c: Formatting fixes.
2487 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2489 PR tree-optimization/14784
2490 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2491 * tree-ssa-structalias.c (get_constraint_for,
2492 intra_create_variable_infos): Set is_heapvar.
2493 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2494 non-heapvar pointer variables specially.
2496 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2499 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2500 fold_builtin_tan): Fold all constant arguments. Take a "type"
2501 argument as necessary.
2502 (do_mpfr_arg1): New.
2503 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2505 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2507 * config/xtensa/lib1funcs.asm: Use C-style comments.
2509 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2511 * tree.c (local_define_builtin): Replace calls to
2512 lang_hooks.builtin_function with add_builtin_function.
2513 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2515 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2517 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2518 common code to add_builtin_function.
2519 * langhooks.c (add_builtin_function): New function.
2520 (lhd_builtin_function): New function.
2521 * langhooks.h (struct lang_hooks): Change the signature of
2523 (add_builtin_function): New function.
2524 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2525 calls to lang_hooks.builtin_function with add_builtin_function.
2526 * c-common.c (decl_builtin_1): Replace calls to
2527 lang_hooks.builtin_function with add_builtin_function.
2528 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2529 lang_hooks.builtin_function with add_builtin_function.
2530 * config/frv/frv.c (def_builtin): Replace calls to
2531 lang_hooks.builtin_function with add_builtin_function.
2532 * config/s390/s390.c (s390_init_builtins): Replace calls to
2533 lang_hooks.builtin_function with add_builtin_function.
2534 * config/sparc/sparc.c (def_builtin): Replace calls to
2535 lang_hooks.builtin_function with add_builtin_function.
2536 * config/i386/i386.c (def_builtin): Replace calls to
2537 lang_hooks.builtin_function with add_builtin_function.
2538 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2539 lang_hooks.builtin_function with add_builtin_function.
2540 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2541 lang_hooks.builtin_function with add_builtin_function.
2542 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2543 Replace calls to lang_hooks.builtin_function with
2544 add_builtin_function.
2545 * config/iq2000/iq2000.c (def_builtin):
2546 Replace calls to lang_hooks.builtin_function with
2547 add_builtin_function.
2548 * config/ia64/ia64.c (def_builtin): Replace calls to
2549 lang_hooks.builtin_function with add_builtin_function.
2550 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2551 lang_hooks.builtin_function with add_builtin_function.
2552 (altivec_init_builtins): Replace calls to
2553 lang_hooks.builtin_function with add_builtin_function.
2554 * config/arm/arm.c (def_mbuiltin): Replace calls to
2555 lang_hooks.builtin_function with add_builtin_function.
2556 (arm_init_tls_builtins): Replace calls to
2557 lang_hooks.builtin_function with add_builtin_function.
2558 * config/mips/mips.c (mips_init_builtins): Replace calls to
2559 lang_hooks.builtin_function with add_builtin_function.
2560 * config/bfin/bfin.c (def_builtin): Replace calls to
2561 lang_hooks.builtin_function with add_builtin_function.
2562 * langhooks-def.h (lhd_builtin_function): New function.
2563 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2565 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2567 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2568 BUILT_IN_STRNCAT_CHK.
2570 2006-10-23 Jan Hubicka <jh@suse.cz>
2572 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2573 don't do conversion from memmove to memcpy here.
2574 (expand_builtin_bcopy, expand_builtin): Update call of
2575 expand_builtin_memmove.
2576 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2578 2006-10-23 Paul Brook <paul@codesourcery.com>
2580 * stor-layout.c (start_record_layout): maximum_field_alignment
2581 overrides STRUCTURE_SIZE_BOUNDARY.
2583 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2585 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2586 nonlocal function symbols if flag_pic.
2588 2006-10-23 Richard Guenther <rguenther@suse.de>
2592 * builtins.c (fold_binary): Remove checks for flag_wrapv
2593 and flag_trapv where negate_expr_p covers these cases.
2595 2006-10-23 Richard Guenther <rguenther@suse.de>
2598 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2599 of two on the absolute value.
2600 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2601 and negating -C does not overflow.
2603 2006-10-23 Richard Guenther <rguenther@suse.de>
2606 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2607 only if not flag_rounding_math.
2609 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2610 Kaz Kojima <kkojima@gcc.gnu.org>
2613 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2614 SImode memory reference for the source of a movua.
2615 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2616 (movua): Use an unspec instead of sign_extract. Expect the source
2617 to have mode BLKmode.
2618 (extv, insv): Use a BLKmode rather than SImode memory reference
2619 for the source of a movua.
2621 2006-10-22 Jeff Law <law@redhat.com>
2622 Richard Guenther <rguenther@suse.de>
2624 PR tree-optimization/15911
2625 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2626 (register_edge_assert_for_1): Likewise.
2627 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2628 (find_conditional_asserts): Adjust for new function signature.
2629 (find_assert_locations): Likewise.
2631 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2633 * config/i386/tmmintrin.h: Remove the duplicated content.
2635 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2637 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2638 (x86_64-*-*): Likewise.
2640 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2641 (override_options): Check SSSE3.
2642 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2643 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2644 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2645 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2646 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2647 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2648 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2649 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2650 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2651 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2652 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2653 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2654 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2655 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2656 IX86_BUILTIN_PABSD128.
2657 (bdesc_2arg): Add SSSE3.
2658 (bdesc_1arg): Likewise.
2659 (ix86_init_mmx_sse_builtins): Support SSSE3.
2660 (ix86_expand_builtin): Likewise.
2661 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2663 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2664 (UNSPEC_PSIGN): Likewise.
2665 (UNSPEC_PALIGNR): Likewise.
2666 Include mmx.md before sse.md.
2668 * config/i386/i386.opt: Add -mssse3.
2670 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2671 (ssse3_phaddwv4hi3): Likewise.
2672 (ssse3_phadddv4si3): Likewise.
2673 (ssse3_phadddv2si3): Likewise.
2674 (ssse3_phaddswv8hi3): Likewise.
2675 (ssse3_phaddswv4hi3): Likewise.
2676 (ssse3_phsubwv8hi3): Likewise.
2677 (ssse3_phsubwv4hi3): Likewise.
2678 (ssse3_phsubdv4si3): Likewise.
2679 (ssse3_phsubdv2si3): Likewise.
2680 (ssse3_phsubswv8hi3): Likewise.
2681 (ssse3_phsubswv4hi3): Likewise.
2682 (ssse3_pmaddubswv8hi3): Likewise.
2683 (ssse3_pmaddubswv4hi3): Likewise.
2684 (ssse3_pmulhrswv8hi3): Likewise.
2685 (ssse3_pmulhrswv4hi3): Likewise.
2686 (ssse3_pshufbv16qi3): Likewise.
2687 (ssse3_pshufbv8qi3): Likewise.
2688 (ssse3_psign<mode>3): Likewise.
2689 (ssse3_psign<mode>3): Likewise.
2690 (ssse3_palignrti): Likewise.
2691 (ssse3_palignrdi): Likewise.
2692 (abs<mode>2): Likewise.
2693 (abs<mode>2): Likewise.
2695 * config/i386/tmmintrin.h: New file.
2697 * doc/extend.texi: Document SSSE3 built-in functions.
2699 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2701 2006-10-22 Ira Rosen <irar@il.ibm.com>
2703 * tree-vect-transform.c (vectorizable_load): Use the type of the
2704 return value of the mask_for_load builtin to create realign_load
2707 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2709 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2712 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2714 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2715 (UNSPEC_LDDQU): This.
2716 * config/i386/sse.md (sse3_lddqu): Updated.
2718 2006-10-21 Richard Guenther <rguenther@suse.de>
2720 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2721 (expand_builtin): Use it to expand lrint instead of
2722 expand_builtin_mathfn.
2724 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2727 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2728 flag_unsafe_math_optimizations is set.
2730 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2733 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2734 patterns to use memory input operand in x87->mem->XMM
2735 reload sequences. Skip transformation for TARGET_K8.
2737 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2739 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2740 force operand1 to register if both operands are memory operands.
2741 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2742 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2743 if both operands are memory operands.
2744 (truncdfsf2): Do not force operand1 to register if both operands
2745 are memory operands.
2747 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2749 * Makefile.in (LIBS): Add $(GMPLIBS).
2750 * doc/install.texi: Update GMP and MPFR requirements.
2751 * doc/sourcebuild.texi (need_gmp): Delete.
2753 2006-10-21 Richard Guenther <rguenther@suse.de>
2755 PR tree-optimization/3511
2756 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2757 got new invariant arguments during PHI translation.
2759 2006-10-21 Richard Guenther <rguenther@suse.de>
2762 * fold-const.c (fold_comparison): Fold signed comparisons
2763 of the form X +- C1 CMP Y +- C2.
2765 2006-10-21 Richard Guenther <rguenther@suse.de>
2768 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2769 if flag_unsafe_math_optimizations is specified. We have
2770 flag_finite_math_only for that.
2771 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2772 or flag_unsafe_math_optimizations.
2774 2006-10-21 Richard Guenther <rguenther@suse.de>
2776 * builtins.c (fold_builtin_classify): Fix typo.
2778 2006-10-21 Richard Guenther <rguenther@suse.de>
2781 * simplify-rtx.c (simplify_const_relational_operation):
2782 Do not constant-fold ORDERED and UNORDERED for
2783 flag_unsafe_math_optimizations but only we do not need to
2784 honor NaNs for the given mode.
2786 2006-10-21 Richard Guenther <rguenther@suse.de>
2789 * config/i386/i386.c (classify_argument): Remove redundant
2790 walking of the BINFOs.
2791 (contains_128bit_aligned_vector_p): Likewise.
2793 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2795 * BASE-VER: Set to 4.3.0.
2797 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2799 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2800 (tree_decl_with_vis): Remove artificial_pta_var flag.
2801 * tree-flow.h (referenced_var_check_and_insert): Expose.
2802 (nonlocal_all): New prototype.
2803 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2804 (nonlocal_all): Make global.
2805 (nonlocal_lookup): Remove.
2806 (nonlocal_insert): Ditto.
2807 (create_nonlocal_var): Do not call nonlocal_insert.
2808 (get_nonlocal_id_for_type): Remove.
2809 (find_global_initializers): Mark new vars we find for renaming.
2810 (intra_create_variable_infos): Only create one nonlocal.
2811 (expand_nonlocal_solutions): Remove.
2812 (compute_points_to_sets): Don't call it.
2813 (ipa_pta_execute): Ditto.
2814 (init_alias_heapvars): Don't create nonlocal_for_type.
2815 (delete_alias_heapvars): Don't remove it.
2816 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2819 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2821 * doc/install.texi (Downloading GCC): Clarify mention of
2822 Fortran in the "full distribution" description.
2824 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2826 Fix PR tree-optimization/28778
2827 Fix PR tree-optimization/29156
2828 Fix PR tree-optimization/29415
2829 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2830 (tree_decl_with_vis): Add artificial_pta_var flag.
2831 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2832 pushed into callers.
2833 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2834 (nonlocal_all): Ditto.
2835 (struct variable_info): Add directly_dereferenced member.
2836 (var_escaped_vars): New variable.
2837 (escaped_vars_tree): Ditto.
2838 (escaped_vars_id): Ditto.
2839 (nonlocal_vars_id): Ditto.
2840 (new_var_info): Set directly_dereferenced.
2841 (graph_size): New variable
2842 (build_constraint_graph): Use graph_size.
2843 (solve_graph): Don't process constraints that cannot change the
2844 solution, don't try to propagate an empty solution to our
2846 (process_constraint): Set directly_dereferenced.
2847 (could_have_pointers): New function.
2848 (get_constraint_for_component_ref): Don't process STRING_CST.
2849 (nonlocal_lookup): New function.
2850 (nonlocal_insert): Ditto.
2851 (create_nonlocal_var): Ditto.
2852 (get_nonlocal_id_for_type): Ditto.
2853 (get_constraint_for): Allow results vector to be empty in the case
2854 of string constants.
2855 Handle results of calls properly.
2856 (update_alias_info): Update alias info stats on number and type of
2858 (find_func_aliases): Use could_have_pointers.
2859 (make_constraint_from_escaped): Renamed from
2860 make_constraint_to_anything, and changed to make constraints from
2862 (make_constraint_to_escaped): New function.
2863 (find_global_initializers): Ditto.
2864 (create_variable_info_for): Make constraint from escaped to any
2865 global variable, and from any global variable to the set of
2867 (intra_create_variable_infos): Deal with escaped instead of
2868 pointing to anything.
2869 (set_uids_in_ptset): Do type pruning on directly dereferenced
2871 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2872 (init_base_vars): Fix comment, and initialize escaped_vars.
2873 (need_to_solve): Removed.
2874 (find_escape_constraints): New function.
2875 (expand_nonlocal_solutions): Ditto.
2876 (compute_points_to_sets): Call find_escape_constraints and
2877 expand_nonlocal_solutions.
2878 (delete_points_to_sets): Don't fall off the end of the graph.
2879 (init_alias_heapvars): Initialize nonlocal_for_type and
2881 (delete_alias_heapvars): Free nonlocal_for_type and null out
2884 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2886 * fold-const.c (add_double): Rename to add_double_with_sign.
2887 Add 'unsigned_p' parameter and take it into account for the overflow.
2888 (mul_double): Rename to mul_double_with_sign.
2889 Add 'unsigned_p' parameter and take it into account for the overflow.
2890 (fold_div_compare): Call add_double_with_sign instead of add_double
2891 and mul_double_with_sign instead of mul_double, passing them the
2892 unsignedness of the type.
2893 * tree.h (add_double): Macroize.
2894 (add_double_with_sign): New prototype.
2895 (mul_double): Macroize.
2896 (mul_double_with_sign): New prototype.
2898 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2900 * config/score/crti.asm: New file.
2901 * config/score/crtn.asm: New file.
2902 * config/score/elf.h: New file.
2903 * config/score/mac.md: New file.
2904 * config/score/misc.md: New file.
2905 * config/score/mul-div.S: New file.
2906 * config/score/predicates.md: New file.
2907 * config/score/score7.md: New file.
2908 * config/score/score.c: New file.
2909 * config/score/score-conv.h: New file.
2910 * config/score/score.h: New file.
2911 * config/score/score.md: New file.
2912 * config/score/score-mdaux.c: New file.
2913 * config/score/score-mdaux.h: New file.
2914 * config/score/score-modes.def: New file.
2915 * config/score/score.opt: New file.
2916 * config/score/score-protos.h: New file.
2917 * config/score/score-version.h: New file.
2918 * config/score/t-score-elf: New file.
2919 * config.gcc: Add score*-*-* configurations(Update before).
2920 * doc/invoke.texi (Score Options): New section.
2921 * doc/md.texi (Score family): New section to document constraints.
2923 2006-10-19 Nick Clifton <nickc@redhat.com>
2925 * config/arm/arm.c: Fix spelling typo.
2927 2006-10-18 Tom Tromey <tromey@redhat.com>
2929 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2931 2006-10-18 Jan Hubicka <jh@suse.cz>
2934 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2937 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2939 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2940 TSI_SAME_STMT, since that's the desired entity.
2942 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2944 * config/s390/contraints.md: New file.
2945 * config/s390/s390-protos.h (s390_mem_constraint,
2946 s390_O_constraint_str, s390_N_constraint_str,
2947 s390_float_const_zero_p): Function prototypes added.
2948 * config/s390/s390.c (s390_extra_constraint_str,
2949 s390_const_double_ok_for_constraint_p,
2950 s390_const_ok_for_constraint_p): Functions removed.
2951 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2952 s390_float_const_zero_p): New functions.
2953 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2954 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2955 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2956 Macro definitions removed.
2957 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2958 s390_extra_constraint_str): Functions removed.
2960 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2961 Richard Sandiford <richard@codesourcery.com>
2964 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2965 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2967 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2969 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2970 (DWARF2_FRAME_REG_OUT): Likewise.
2971 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2972 (DWARF2_FRAME_REG_OUT): Likewise.
2974 2006-10-17 Paul Brook <paul@codesourcery.com>
2976 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2978 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2980 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2981 Standardize on "GNU Fortran" as the official name of the Fortran
2984 2006-10-16 Mike Stump <mrs@apple.com>
2986 * doc/invoke.texi (Darwin Options): Document -mkernel.
2987 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2989 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2990 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2991 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2992 (OS_MISSING_ALTIVEC): Add.
2993 * config/i386/i386.c (override_options): Add
2994 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2995 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2996 -mkernel, -static or -mdynamic-no-pic is given.
2997 (C_COMMON_OVERRIDE_OPTIONS): Add.
2998 * config/darwin.opt (fapple-kext): Add.
3000 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3001 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3003 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3004 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3005 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3006 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3007 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3008 (flag_mkernel): Add.
3009 (flag_apple_kext): Add.
3010 (TARGET_KEXTABI): Add.
3011 * config/darwin.c (darwin_handle_kext_attribute): Add.
3012 (DARWIN_VTABLE_P): Add.
3013 (darwin_binds_local_p): Add partial support for rebinding vtables
3015 (darwin_kextabi_p): Add.
3016 (darwin_override_options): Add.
3017 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3018 (darwin_kextabi_p): Add.
3019 (darwin_override_options): Add.
3020 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3021 __DYNAMIC__ and __STATIC__ here.
3023 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3025 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3026 Added mention of "make pdf" target, and Texinfo requirements for
3029 2006-10-16 DJ Delorie <dj@redhat.com>
3031 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3032 into the GOT in case we need a subreg of the address.
3034 2006-10-16 Richard Guenther <rguenther@suse.de>
3037 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3038 SSE builtin documentation. Document SSE2 builtins.
3040 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3042 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3043 symbol in the output file for non-shared links when -nostdlib or
3044 -nodefaultlibs isn't specified.
3046 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3047 posix thread support.
3049 2006-10-15 Jan Hubicka <jh@suse.cz>
3052 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3053 declared always_inline even when not inlining.
3055 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3056 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3057 Andrew Pinski <pinskia@gmail.com>
3060 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3062 2006-10-15 Jan Hubicka <jh@suse.cz>
3063 Richard Guenther <rguenther@suse.de>
3066 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3067 process_function_and_variable_attributes on all variables, including
3068 those discovered during cgraph construction phase.
3070 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3072 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3074 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3076 * config/i386/athlon.md (athlon_fist): Add fisttp.
3078 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3079 Ian Lance Taylor <ian@airs.com>
3082 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3083 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3086 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3088 * config/score/score.c, config/score/score.h: Fix comment
3091 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3094 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3097 2006-10-13 Eric Christopher <echristo@apple.com>
3099 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3101 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3104 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3105 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3106 alignment supported by 32-bit ELF.
3108 2006-10-13 Eric Christopher <echristo@apple.com>
3110 * config/darwin.c (darwin_emit_unwind_label): Strip
3111 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3113 2006-10-13 Richard Guenther <rguenther@suse.de>
3115 PR tree-optimization/29446
3116 * tree-vrp.c (fix_equivalence_set): Remove.
3117 (extract_range_from_assert): Do not call fix_equivalence_set.
3118 (debug_value_range): Print a newline.
3119 (compare_name_with_value): For equivalence sets with
3120 inconsistent value ranges conservatively bail out.
3121 (compare_names): Likewise.
3123 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3125 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3126 and MPFR for gfortran.
3128 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3130 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3131 alignment supported by 32-bit ELF.
3133 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3137 * c-typeck.c (digest_init): Always allow initializing vectors
3138 that have static storage duration with compound literals.
3139 * tree.c (build_type_attribute_qual_variant): New, based on
3140 build_type_attribute_variant.
3141 (build_type_attribute_variant): Rewrite using the former.
3142 (make_vector_type): Use build_type_attribute_qual_variant to build
3143 type variants. Use type_hash_canon on the others.
3145 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3146 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3148 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3150 2006-10-12 Jan Hubicka <jh@suse.cz>
3153 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3154 current_function_decl is set but current_function_scope is not.
3156 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3158 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3159 emit_insn to emit eh_return_internal instruction.
3160 (eh_return_internal): Explicitly set pc.
3162 2006-10-11 Richard Guenther <rguenther@suse.de>
3164 PR tree-optimization/28230
3165 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3166 to the correct place.
3168 2006-10-11 Richard Guenther <rguenther@suse.de>
3171 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3174 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3176 * configure.ac: Added pdf to "Make-hooks"
3177 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3178 targets and *.pdf file patterns in cleanup targets.
3179 * configure: Regenerated.
3181 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3183 * config/avr/predicates.md: New file.
3184 * config/avr/avr.md: Include it.
3185 (REG_SP): New constant.
3186 (peepholes): Use predicates.
3187 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3188 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3189 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3191 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3193 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3196 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3199 * builtins.c (var_decl_component_p): New function.
3200 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3201 single entry optimization to variables and components thereof.
3203 2006-10-10 Richard Guenther <rguenther@suse.de>
3205 PR rtl-optimization/29323
3206 * except.c (set_nothrow_function_flags): For functions
3207 that do not bind local bail out early.
3209 2006-10-10 Ben Elliston <bje@au.ibm.com>
3211 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3214 2006-10-09 Richard Henderson <rth@redhat.com>
3216 Revert emutls patch.
3218 2006-10-09 Richard Guenther <rguenther@suse.de>
3221 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3224 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3227 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3228 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3229 * configure: Regenerate.
3230 * config.in: Regenerate.
3232 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3234 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3236 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3238 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3239 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3240 Remove stray newline.
3242 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3244 * config/mips/mips.c (mips_classify_symbol): Do not return
3245 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3246 (mips_in_small_data_p): Tweak comments.
3248 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3250 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3252 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3254 * gimplify.c, sched-int.h: Fix comment typos.
3256 * sched-int.h: Fix comment typos.
3258 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3260 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3262 * sched-ebb.c (begin_schedule_ready): Use them.
3263 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3264 add_to_speculative_block, create_check_block_twin, speculate_insn,
3265 fix_jump_move, move_block_after_check): Ditto.
3266 * sched-rgn.c (new_ready): Ditto.
3268 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3270 PR rtl-optimization/29128
3271 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3272 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3273 allow interblock movement of speculation checks.
3275 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3278 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3279 casted to integer type.
3280 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3281 if they are significantly more expensive than [reg + index] ones.
3283 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3285 PR tree-optimization/29330
3286 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3287 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3288 on newly allocated ddrs.
3289 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3290 to VEC (loop_p, heap) pointer.
3291 (compute_data_dependences_for_loop): Adjust caller.
3292 (free_dependence_relations): Free DDR_LOOP_NEST.
3294 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3295 free DEPENDENCE_RELATIONS and DATAREFS.
3298 * builtins.c (expand_builtin_sync_operation,
3299 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3300 Use convert_to_mode to handle promoted arguments.
3302 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3304 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3306 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3308 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3310 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3312 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3313 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3314 Use <modeconstraint> instead of "r" as operand 1 constraint.
3316 2006-10-06 Olivier Hainque <hainque@adacore.com>
3318 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3319 Don't recurse on the pointed-to type.
3320 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3321 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3322 types with components of variable size.
3324 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3326 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3328 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3330 PR tree-optimization/29290
3331 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3335 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3336 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3339 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3340 the number of vector elements fill the rest with zeros.
3342 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3344 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3345 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3348 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3350 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3351 unnamed pattern into subsi3. Use correct constraints/predicates.
3352 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3353 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3355 2006-10-05 Ira Rosen <irar@il.ibm.com>
3357 * doc/loop.texi: Add data references analysis description.
3359 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3361 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3363 2006-10-04 Richard Henderson <rth@redhat.com>
3364 Jakub Jelinek <jakub@redhat.com>
3366 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3367 * builtin-types.def (BT_WORD): Make unsigned.
3368 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3369 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3370 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3371 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3372 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3373 * cgraph.c (decide_is_variable_needed): Look at force_output.
3374 Recurse for emulated tls.
3375 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3376 checks redundant with decide_is_variable_needed.
3377 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3378 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3380 * expr.c (emutls_var_address): New.
3381 (expand_expr_real_1): Expand emulated tls.
3382 (expand_expr_addr_expr_1): Likewise.
3383 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3384 * output.h (emutls_finish): Declare.
3385 * toplev.c (compile_file): Call it.
3386 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3387 address before wrapping in CONST.
3388 * varasm.c (emutls_htab, emutls_object_type): New.
3389 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3390 (get_emutls_object_name, get_emutls_object_type): New.
3391 (get_emutls_init_templ_addr, emutls_decl): New.
3392 (emutls_common_1, emutls_finish): New.
3393 (assemble_variable): When emulating tls, swap decls; generate
3394 constructor for the emutls objects.
3395 (do_assemble_alias): When emulating tls, swap decl and target name.
3396 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3398 * emutls.c: New file.
3399 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3400 tls_object for real tls.
3402 2006-10-04 Zack Weinberg <zackw@panix.com>
3404 Fix bug in constraint-check generator, reported by Rask Ingemann
3406 * genpreds.c (add_constraint): Don't remove anything from the
3408 (write_tm_constrs_h): Detect whether "op" argument is used, and
3409 mark it ARG_UNUSED if it isn't.
3410 (write_insn_const_int_ok_for_constraint): Skip the part of the
3411 expression that would test whether "op" (which is not available
3412 here) is a CONST_INT.
3414 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3417 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3419 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3421 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3422 current Leopard versions.
3423 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3425 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3427 * doc/install.texi: Fix typos.
3429 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3431 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3432 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3433 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3435 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3437 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3438 arg to be struct mach_header_64* instead.
3440 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3443 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3444 side effects after the outer expression's post side effects.
3446 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3448 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3449 comments to reflect actual behavior and relationship between
3450 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3452 * doc/c-tree.texi (Working with declarations): Fix documentation
3453 of FIELD_DECL likewise.
3455 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3458 * doc/extend.texi: Add used variable attribute description.
3460 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3463 * c.opt (Woverride-init): New.
3464 * c-opts.c (c_common_post_options): Default warn_override_init to
3466 * c-typeck.c (add_pending_init, output_init_element): Warn for
3467 overriding initializers without side effects.
3468 * doc/invoke.texi (-Woverride-init): Document.
3471 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3473 PR rtl-optimization/28096
3474 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3475 assignment has already been used as a destination earlier in the block.
3477 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3479 * builtins.c (expand_builtin_setjmp): Delete.
3480 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3481 <BUILT_IN_SETJMP_SETUP>: New case.
3482 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3483 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3484 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3485 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3486 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3487 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3488 (lower_function_body): Initialize it to false. If it is set to true
3489 at the end of the processing, emit the setjmp dispatcher.
3490 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3491 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3492 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3493 on the rhs of the assignment.
3494 (lower_builtin_setjmp): New function.
3495 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3496 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3497 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3498 to detect calls that can go to non-local labels. Use specific
3499 helper to create the abnormal edges associated with them.
3500 <MODIFY_EXPR>: Likewise.
3501 (make_abnormal_goto_edges): New function extracted from...
3502 (make_goto_expr_edges): ...here. Call it for computed gotos.
3503 (simple_goto_p): Minor tweak.
3504 (tree_can_make_abnormal_goto): New predicate.
3505 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3506 (tree_purge_dead_abnormal_call_edges): New function.
3507 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3508 (tree_purge_dead_abnormal_call_edges): Likewise.
3509 (make_abnormal_goto_edges): Likewise.
3510 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3511 Purge all dead abnormal edges if the call was in the last statement.
3512 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3513 (execute_fixup_cfg): If there are non-local labels in the function,
3514 scan the basic blocks and split them at calls that can go to non-local
3515 labels or add missing abnormal call edges. Write down the CFG in the
3517 (pass_fixup_cfg): Remove TODO_dump_func flag.
3518 * unwind-sjlj.c: Poison setjmp.
3519 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3520 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3521 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3522 (DONT_USE_BUILTIN_SETJMP): Document it.
3524 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3527 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3528 to 1 when __ppc64__ is defined.
3529 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3531 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3533 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3535 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3536 * config/ia64/unwind-hpux.c: Delete.
3538 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3540 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3541 on the element before gimplifying it, instead of punting if it is of
3544 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3546 * doc/loop.texi: New file.
3547 * doc/gccint.texi: Reference loop.texi.
3548 * Makefile.in (loop.texi): Add.
3550 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3552 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3554 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3555 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3557 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3559 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3561 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3563 * doc/install.texi: Document required versions of GMP and MPFR.
3565 2006-09-27 Paul Brook <paul@codesourcery.com>
3568 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3570 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3572 * reload1.c (alter_reg): Require the alignment of the stack slot to
3573 be at least reg_max_ref_width bytes.
3574 (scan_paradoxical_subregs): Record the largest width in
3577 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3581 * tree-nested.c (struct nesting_info): Added static_chain_added.
3582 (convert_call_expr): Set static_chain_added when adding static
3583 chain. Handle OMP_PARALLEL and OMP_SECTION.
3585 2006-09-25 Matthias Klose <doko@debian.org>
3587 * doc/invoke.texi: Add missing full stop.
3589 2006-09-25 Richard Henderson <rth@redhat.com>
3591 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3592 before cgraph_function_flags_ready.
3594 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3595 Adam Nemet <anemet@caviumnetworks.com>
3597 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3598 determine_common_wider_type): New functions.
3599 (get_computation_aff): Use them to simplify arithmetic between
3600 UBASE and CBASE if they are shortened from the same type.
3602 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3605 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3606 -2147483647 - 1 instead of 0x80000000.
3608 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3610 * flags.h (HONOR_NANS): Fix typo in comment.
3612 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3614 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3616 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3620 * tree.c (merge_attributes, attribute_list_contained): If both
3621 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3623 * c-typeck.c (comptypes_internal): Don't consider aggregates
3624 in different TUs as compatible if there one set of attributes is
3625 not a subset of the other type's attributes.
3626 (composite_type): Try harder not to create a new aggregate type.
3628 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3630 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3631 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3632 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3633 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3634 than replicating condition above.
3635 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3637 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3638 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3639 the linker by default.
3641 2006-09-22 Mike Stump <mrs@apple.com>
3643 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3646 2006-09-22 Richard Guenther <rguenther@suse.de>
3649 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3650 sort of stack variables stable.
3652 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3655 * explow.c (force_reg): Set REG_POINTER flag according to
3658 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3660 PR tree-optimization/28888
3661 * tree-if-conv.c (combine_blocks): Rewritten.
3662 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3663 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3665 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3667 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3670 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3672 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3674 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3676 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3678 2006-09-21 Roger Sayle <roger@eyesopen.com>
3681 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3682 dw_fde_current_label, to be the start of the function, i.e. the same
3683 value as dw_fde_begin.
3685 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3687 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3688 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3689 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3690 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3691 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3692 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3693 (abs<mode>2, neg<mode>2): Likewise.
3694 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3695 (*mips_abs_ps): New define_insn.
3697 2006-09-20 Josh Conner <jconner@apple.com>
3700 * calls.c (expand_call): Allow reuse of structure return stack
3703 2006-09-20 Paul Brook <paul@codesourcery.com>
3705 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3708 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3710 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3711 clean up terminology.
3713 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3716 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3717 with tablejumps in them.
3719 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3722 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3723 wrap it into TARGET_EXPR.
3725 2006-09-20 Eric Christopher <echristo@apple.com>
3727 * config/i386/i386.c (x86_fisttp): Remove.
3728 * config/i386/i386.h (x86_fisttp): Ditto.
3729 (TARGET_FISTTP): Ditto.
3731 2006-09-19 Eric Christopher <echristo@apple.com>
3733 * doc/tm.texi (OBJC_JBLEN): Describe.
3734 * config/i386/darwin.h (OBJC_JBLEN): Define.
3735 * config/rs6000/darwin.h: Ditto.
3737 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3739 PR rtl-optimization/21299
3740 * reload1.c (reload): Purge invalid ASMs in the final pass.
3742 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3745 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3746 pointers as legitimate constants.
3748 2006-09-19 Paul Brook <paul@codesourcery.com>
3751 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3753 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3755 PR tree-optimization/28887
3756 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3757 component parts from the reference.
3758 (gather_memory_references_ref): Record the reference without the
3759 nonaddressable component parts.
3761 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3764 * c-opts.c (c_common_handle_option): Ignore the -std options
3765 if the input language is assembly.
3767 2006-09-17 Ira Rosen <irar@il.ibm.com>
3770 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3772 (ptr_ptr_may_alias_p): Likewise.
3773 (record_record_differ_p): New function.
3774 (base_object_differ_p): Call record_record_differ_p.
3776 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3779 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3780 away for the expr argument.
3782 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3785 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3786 before using it for dumping after vectorizing loops.
3788 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3789 Jack Howarth <howarth@bromo.med.uc.edu>
3792 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3793 skip on error_mark_node.
3794 (rs6000_darwin64_record_arg_recurse): Likewise.
3796 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3798 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3799 * doc/rtl.texi: Remove related documentation.
3801 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3803 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3806 2006-09-15 Jim Wilson <wilson@specifix.com>
3808 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3809 Handle symbol offsets same as they are handled in ia64_expand_move
3812 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3814 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3815 Add forgotten parameter to the fprintf call.
3817 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3819 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3821 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3823 * doc/contrib.texi: Add my entry.
3825 2006-09-15 Nick Clifton <nickc@redhat.com>
3827 * doc/md.texi (Processor pipeline description): Fix typo in
3828 example of how to use the absence_set directive and reword the
3829 description to make it slightly easier to read.
3831 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3833 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3834 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3835 expanding the number of iterations.
3836 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3838 * cfgrtl.c (emit_insn_at_entry): New function.
3839 * rtl.h (emit_insn_at_entry): Declare it.
3840 * integrate.c (emit_initial_value_sets): Use it.
3842 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3844 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3846 (struct loop_work and related VEC declarations): Delete.
3847 (bfin_dump_loops): Print out new member bad.
3848 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3849 (bfin_scan_loop): Don't recurse.
3850 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3851 loops. No longer need to update outer loops if the current one is
3852 found bad. Move some validitiy checks to bfin_discover_loop.
3853 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3854 but changed not to check for nesting. Also changed to use the new bad
3856 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3857 time. Use bitmap based test to discover loop nesting.
3859 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3861 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3864 2006-09-14 Richard Guenther <rguenther@suse.de>
3865 Kazu Hirata <kazu@codesourcery.com>
3867 PR middle-end/28884.
3868 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3869 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3870 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3871 with TARGET_FUNCTION_VALUE.
3873 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3876 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3878 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3880 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3883 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3886 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3889 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3891 * basic_block.h (bb_has_eh_pred): Fix comment.
3893 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3895 * flow.c (calculate_global_regs_live): Invalidate eh registers
3896 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3897 (propagate_block): Handle eh registers as if they were set at basic
3899 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3901 * global.c (global_conflicts): Make eh registers to conflict with
3902 pseudos live at basic block begin.
3903 * basic_block.h (bb_has_eh_pred): New function.
3905 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3907 PR rtl-optimization/28982
3908 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3909 index of a PRE_MODIFY or POST_MODIFY address.
3910 * reload1.c (inc_for_reload): Use find_replacement on the original
3911 base and index registers.
3913 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3915 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3916 for -Os. Update __m128 alignment requirement.
3918 2006-09-13 Jan Hubicka <jh@suse.cz>
3920 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3922 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3924 PR rtl-optimization/28243
3925 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3926 the insn to which the note was originally attached.
3928 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3929 Roger Sayle <roger@eyesopen.com>
3931 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3932 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3933 on platforms that don't use dwarf for debug info.
3935 2006-09-12 Jason Merrill <jason@redhat.com>
3938 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3939 hard_frame_pointer_rtx after using it to update the frame pointer.
3941 2006-09-12 Roger Sayle <roger@eyesopen.com>
3943 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3944 (TARGET_ASM_CLOSE_PAREN): Likewise.
3945 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3946 (TARGET_ASM_CLOSE_PAREN): Likewise.
3948 2006-09-12 Roger Sayle <roger@eyesopen.com>
3951 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3952 frame information for frames larger than 512 Kbytes on Tru64 when
3953 using the native assembler.
3955 2006-09-12 Roger Sayle <roger@eyesopen.com>
3959 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3960 and symbols. Instead use the implementation from cse.c's hash_rtx.
3962 2006-09-12 Jan Hubicka <jh@suse.cz>
3964 PR rtl-optimization/28071
3965 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3966 (vect_transform_loop): Likewise.
3967 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3968 (new_loop_vec_info): Likewise.
3969 (destroy_loop_vec_info): Likewise.
3970 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3971 (create_stmt_ann): Likewise.
3972 (create_tree_ann): Rename to ...
3973 (create_tree_common_ann): ... this one; allocate only the common part
3975 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3976 (get_value_handle): Likewise.
3977 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3978 get_tree_common_ann.
3979 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3980 (vinfo_for_stmt): Use stmt annotations.
3981 * tree-flow.h (tree_ann_common_t): New type.
3982 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3983 (tree_ann, get_tree_ann, create_tree_ann): New.
3984 * tree-flow-inline.h (get_function_ann): Do more type checking.
3985 (stmt_ann): Likewise.
3986 (tree_ann): Rename to ...
3987 (tree_common_ann): ... this one; return ony common_ann
3988 (get_tree_ann): Rename to ...
3989 (tree_common_ann): This one; return only common_ann.
3990 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3993 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3995 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3996 with_cpu by default.
3998 * dwarf2out.c (dwarf_file_data): New.
3999 (enum dw_val_class): Add dw_val_class_file.
4000 (struct dw_val_struct): Add val_file.
4001 (file_table): Change to a hash table.
4002 (file_table_emitted): Delete.
4003 (file_table_last_lookup_index): Delete.
4004 (emitcount): Delete.
4005 (last_emitted_file): New.
4006 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4007 (init_file_table): Delete.
4008 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4009 (AT_addr): Add comment.
4013 (print_die): Handle dw_val_class_file.
4014 (print_dwarf_line_table): Update for new file table structure.
4015 (attr_checksum): Do checksum a filename.
4016 (same_dw_val_p, same_attr_p): Do compare a filename.
4017 (size_of_die): Handle dw_val_class_file.
4018 (value_format): Likewise.
4019 (output_die): Likewise. Also, call maybe_emit_file here.
4020 (struct file_info): Constify filenames. Make file_idx a pointer
4021 to a struct dwarf_file_data.
4022 (struct dir_info): Constify directory names. Remove 'used' field.
4023 (struct file_name_acquire_data): New.
4024 (file_name_acquire): New.
4025 (output_file_names): Modify to handle new file data structures.
4026 (add_src_coords_attributes): Use add_AT_file.
4027 (add_call_src_coords_attributes): Likewise.
4028 (dwarf2out_imported_module_or_decl): Likewise.
4029 (gen_subprogram_die): Modify for new file data structures.
4030 (gen_variable_die): Likewise.
4031 (file_table_eq): New.
4032 (file_table_hash): New.
4033 (file_table_last_lookup): New.
4034 (lookup_filename): Rewrite to handle new file data structures.
4035 (maybe_emit_file): Rewrite to handle new file data structures.
4036 (dwarf2out_source_line): Always call lookup_filename and
4038 (dwarf2out_init): Create file_table here.
4039 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4040 (file_table_relative_p): New.
4041 (dwarf2out_finish): Change detection of relative filenames
4042 to work with new file data structures. Move output_line_info call
4043 after debug_info output.
4045 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4050 * config/i386/i386.c (override_options): Always default to 16
4051 byte stack boundary.
4053 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4056 * var-tracking.c (dump_dataflow_set): Start dumping at
4058 (clobber_variable_part): Kill only the variable part in
4059 registers holding it, leaving other variables alone.
4061 2006-09-11 Josh Triplett <josh@freedesktop.org>
4063 * doc/extend.texi (Other Builtins): Actually use the macro
4064 argument in the documentation example for
4065 __builtin_types_compatible_p.
4067 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4069 PR rtl-optimization/28726
4070 * sched-deps.c (sched_analyze_reg): New function extracted from...
4071 (sched_analyze_1): ...here. Call it to analyze references to
4072 registers. Treat again writes to a stack register as writing to the
4074 (sched_analyze_2): ...and here. Call it to analyze references to
4075 registers. Treat again reads of a stack register as reading the
4078 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4079 David Edelsohn <edelsohn@gnu.org>
4082 * config/rs6000/spe.md (frob_df_di): Remove %H.
4083 (frob_di_df): Remove %H. Change evmergelo to mr.
4084 (frob_di_df_2): Remove %H. Change evldd to two loads.
4086 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4088 * doc/cpp.texi: Fix names of charset options.
4090 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4093 * config/i386/i386.c (override_options): Use 128-bit
4094 stack boundary always for 64bits.
4096 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4098 PR rtl-optimization/28636
4099 * combine.c (force_to_mode): Test for side-effects before
4100 substituting by zero.
4101 (simplify_shift_const): Likewise for zero or other constants.
4103 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4106 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4109 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4112 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4113 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4114 returned by mode_for_size, rather than the mode of src itself,
4115 to choose between 32-bit and 64-bit patterns.
4116 (mips_mem_fits_mode_p): New function.
4117 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4118 that the size of the source matches the size of the destination.
4119 (mov_<store>l, mov_<store>r): Likewise.
4121 2006-09-10 Eric Christopher <echristo@apple.com>
4123 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4126 2006-09-09 Eric Christopher <echristo@apple.com>
4129 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4132 2006-09-09 Roger Sayle <roger@eyesopen.com>
4133 Nicolas Setton <setton@adacore.com>
4135 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4137 2006-09-10 Andreas Schwab <schwab@suse.de>
4139 * config/m68k/m68k.md (bungt_rev): New pattern.
4141 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4142 Dale Johannesen <dalej@apple.com>
4145 * regclass.c (struct reg_pref): Update documentation.
4146 (regclass): Set prefclass to NO_REGS if memory is the best option.
4147 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4149 2006-09-08 Eric Christopher <echristo@apple.com>
4151 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4152 * config/t-slibgcc-darwin: Support x86_64 multilib.
4153 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4154 Return 1 for x86_64-darwin.
4155 * config/i386/t-darwin: Add m64 multilib.
4156 (LIB2_SIDITI_CONV_FUNCS): Use.
4157 (LIB2FUNCS_EXTRA): Ditto.
4158 * config/i386/darwin.h: Support x86_64.
4159 * config/i386/i386.c (override_options): Turn on flag_pic
4160 for x86_64-darwin. Disable flag_omit_pointer.
4161 (get_pc_thunk_name): Assert !TARGET_64BIT.
4162 (legitimate_address_p): Disable machopic addressing for
4164 (legitimize_pic_address): Ditto.
4165 (ix86_expand_move): Ditto.
4166 (ix86_expand_call): Ditto.
4167 (machopic_output_stub): Ditto.
4168 * config/darwin.c (machopic_select_section): Support literal16.
4169 (machopic_select_rtx_section): Ditto.
4170 * config/darwin-sections.def: Ditto.
4171 * config/darwin-64.c: New.
4173 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4176 * c-tree.h (struct c_arg_info): Add pending_sizes.
4177 * c-parser.c (c_parser_parms_declarator,
4178 c_parser_parms_list_declarator): Initialize pending_sizes.
4179 * c-decl.c (get_parm_info): Initialize pending_sizes.
4180 (get_parm_info): Set pending_sizes.
4181 (grokdeclarator): Call put_pending_sizes for parameters for
4182 function definition only.
4184 2006-09-07 Jason Merrill <jason@redhat.com>
4187 * varasm.c (output_constant): Only strip actual no-op conversions.
4190 * config/i386/i386.c (override_options): Use 128-bit
4191 stack boundary if -msse.
4193 2006-09-07 Eric Christopher <echristo@apple.com>
4195 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4197 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4200 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4202 * dwarf2out.c: Remove strange characters from comment above
4203 dwarf2out_frame_debug_expr.
4205 2006-09-07 Eric Christopher <echristo@apple.com>
4207 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4208 * config/darwin.h: ... to here.
4210 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4212 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4214 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4215 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4217 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4218 TARGET_PARTIAL_FLAG_REG_STALL.
4219 (*ashldi3_cconly_rex64): Likewise.
4220 (*ashlsi3_cmp): Likewise.
4221 (*ashlsi3_cconly): Likewise.
4222 (*ashlsi3_cmp_zext): Likewise.
4223 (*ashlhi3_cmp): Likewise.
4224 (*ashlhi3_cconly): Likewise.
4225 (*ashlqi3_cmp): Likewise.
4226 (*ashlqi3_cconly): Likewise.
4227 (*ashrdi3_cmp_rex64): Likewise.
4228 (*ashrdi3_cconly_rex64): Likewise.
4229 (*ashrsi3_cmp): Likewise.
4230 (*ashrsi3_cconly): Likewise.
4231 (*ashrsi3_cmp_zext): Likewise.
4232 (*ashrhi3_cmp): Likewise.
4233 (*ashrhi3_cconly): Likewise.
4234 (*ashrqi3_cmp): Likewise.
4235 (*ashrqi3_cconly): Likewise.
4236 (*lshrdi3_cmp_rex64): Likewise.
4237 (*lshrdi3_cconly_rex64): Likewise.
4238 (*lshrsi3_cmp): Likewise.
4239 (*lshrsi3_cconly): Likewise.
4240 (*lshrsi3_cmp_zext): Likewise.
4241 (*lshrhi3_cmp): Likewise.
4242 (*lshrhi3_cconly): Likewise.
4243 (*lshrqi2_cmp): Likewise.
4244 (*lshrqi2_cconly): Likewise.
4246 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4249 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4250 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4251 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4252 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4253 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4254 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4255 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4256 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4257 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4258 implement only CC setting effects of shift instructions.
4260 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4262 * doc/contrib.texi: Add myself.
4264 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4267 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4268 was set by the user.
4270 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4273 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4274 (divsi_inv_m1): Use them.
4275 (UNSPEC_DIV_INV_TABLE): New constant.
4277 2006-09-06 James E Wilson <wilson@specifix.com>
4280 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4281 then call count_or_remove_death_notes.
4283 2006-09-06 Jason Merrill <jason@redhat.com>
4286 * tree-inline.c (copy_result_decl_to_var): New fn.
4287 (declare_return_variable): Use it. Call declare_inline_vars here.
4288 (expand_call_inline): Not here.
4290 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4292 * doc/contrib.texi: Update my entry.
4294 2006-09-06 Nick Clifton <nickc@redhat.com>
4296 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4298 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4301 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4302 (canonicalize_induction_variables): Likewise.
4303 (tree_unroll_loops_completely): Likewise.
4304 (tree_ssa_prefetch_arrays): Likewise.
4305 (remove_empty_loops): Likewise.
4306 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4307 TODO_cleanup_cfg instead of directly calling
4308 cleanup_tree_cfg_loop.
4309 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4311 (tree_unroll_loops_completely): Likewise.
4312 (remove_empty_loops): Likewise.
4313 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4314 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4315 of tree_ssa_unswitch_loops.
4316 (tree_ssa_loop_ivcanon): Use the return value of
4317 canonicalize_induction_variables.
4318 (tree_ssa_empty_loop): Use the return value of
4320 (tree_complete_unroll): Use the return value of
4321 tree_unroll_loops_completely.
4322 (tree_ssa_loop_prefetch): Use the return value of
4323 tree_ssa_prefetch_arrays.
4324 * passes.c (execute_todo): Before Cleanup CFG, set
4325 updating_used_alone and after cleanup CFG, call
4326 recalculate_used_alone.
4328 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4331 * tree-vect-transform.c (vectorizable_condition): Move the check
4332 for the type after the check for simple condition.
4334 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4335 Kaz Kojima <kkojima@gcc.gnu.org>
4338 * mode-switching.c (optimize_mode_switching): Make the destination
4339 block of an abnormal edge have no anticipatable mode. Don't
4340 insert mode switching code at the end of the source block of
4343 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4345 PR rtl-optimization/26847
4346 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4347 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4348 (simplify_plus_minus): Count n_constants while filling ops. Replace
4349 qsort with insertion sort. Before going through the array to simplify
4350 pairs, sort it. Delay early exit until after the first sort, exiting
4351 only if no swaps occurred. Simplify pairs in reversed order, without
4352 special-casing the first iteration. Pack ops after simplifying pairs.
4354 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4356 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4357 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4358 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4359 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4361 2006-09-05 Richard Guenther <rguenther@suse.de>
4363 PR tree-optimization/28900
4364 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4365 compound conditional before creating COND_EXPR condition.
4367 2006-09-05 Richard Guenther <rguenther@suse.de>
4369 PR tree-optimization/28905
4370 * tree-vrp.c (fix_equivalence_set): Manually implement
4371 !value_ranges_intersect_p to also handle symbolic ranges.
4373 2006-09-05 Richard Guenther <rguenther@suse.de>
4376 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4379 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4381 PR rtl-optimization/27616
4382 * cse.c (table_size): New static variable.
4383 (new_basic_block): Initialize it to 0.
4384 (remove_from_table): Decrement it.
4385 (insert): Increment it.
4386 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4387 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4388 fold_rtx_mem_1 if under the cap.
4389 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4390 the lookup of the equivalent expression and test for equality of the
4391 first operand of the equivalent expression before in turn looking up
4392 an equivalent constant for the second operand.
4394 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4397 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4398 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4399 pointer, instead of assuming it is possible to derive the
4400 correct args size from a call insn.
4402 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4405 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4406 (fold_builtin_mempcpy): Rename to...
4407 (fold_builtin_memory_op): ... this. Optimize one element copy
4409 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4411 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4412 (expand_builtin_memcpy, expand_builtin_mempcpy,
4413 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4414 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4415 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4416 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4418 2006-09-01 DJ Delorie <dj@redhat.com>
4420 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4421 (stzx_16): Likewise.
4422 ("stzx_24_<mode>"): Likewise.
4423 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4424 ("cmp<mode>_op"): New.
4425 (cmp<mode>): Change to expander; just save operands.
4427 (b<code>): Change to expander, emit compare here.
4428 (s<code>_op): Change to use split and expander.
4429 (s<code>_24_op): Likewise.
4430 (s<code>_<mode>): New.
4431 (s<code>_<mode>_24): New.
4432 (movqicc_<code>_<mode): New.
4433 (movhicc_<code>_<mode>): New.
4436 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4437 (m32c_pend_compare): New.
4438 (m32c_unpend_compare): New.
4439 (m32c_expand_scc): New.
4440 (m32c_expand_movcc): Emit the compare also.
4441 * config/m32c/predicates.md (mra_nopp_operand): New.
4443 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4444 Richard Guenther <rguenther@suse.de>
4445 Adam Nemet <anemet@caviumnetworks.com>
4448 * builtins.c (get_pointer_alignment): Handle more forms
4449 of base addresses that can be used to derive more precise
4450 information about alignment.
4452 2006-09-01 Jason Merrill <jason@redhat.com>
4455 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4458 * gimplify.c (voidify_wrapper_expr): Handle null type.
4460 2006-09-01 Josh Conner <jconner@apple.com>
4463 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4464 (execute_return_slot_opt): Use it.
4466 2006-08-31 Josh Conner <jconner@apple.com>
4469 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4470 returning aggregates.
4472 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4474 PR tree-optimization/28839
4475 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4476 blocks in that phi arguments appear.
4478 2006-08-31 Roger Sayle <roger@eyesopen.com>
4481 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4482 NULL, otherwise use an advance_loc4 to adjust relative to the
4484 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4485 (dwarf2out_switch_text_section): Reset the current label to avoid
4486 using advance_loc4 over section boundaries.
4488 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4491 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4492 r12 + SYMBOLIC_CONST.
4494 2006-08-30 Richard Guenther <rguenther@suse.de>
4496 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4498 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4500 PR rtl-optimization/27735
4501 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4502 Add new argument to keep track of whether an irreducible region
4503 was affected. All callers changed.
4504 (fix_irreducible_loops): Removed.
4505 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4506 flags were invalidated.
4508 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4510 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4511 instead of SF operands.
4512 (*fop_df_comm_sse): Likewise.
4513 (*fop_df_comm_i387): Likewise.
4514 (*fop_df_1_mixed): Likewise.
4515 (*fop_df_1_sse): Likewise.
4517 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4518 J"orn Rennecke <joern.rennecke@st.com>
4520 PR tree-optimization/17506
4521 * tree-ssa.c (warn_uninit): If warning about a location outside of
4522 the current function, note where the variable was declared.
4524 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4526 PR tree-optimization/28411
4527 * double-int.c (double_int_div): Use double_int_divmod.
4528 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4529 double_int_mod, double_int_smod, double_int_umod): New functions.
4530 * double-int.h (double_int_divmod, double_int_sdivmod,
4531 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4533 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4535 (get_computation_aff, get_computation_cost_at): Handle double_int
4536 return type of constant_multiple_of.
4538 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4541 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4542 an implicit conversion.
4544 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4546 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4548 2006-08-27 Roger Sayle <roger@eyesopen.com>
4550 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4553 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4555 * config/i386/crtfastmath.c: Fix a comment typo.
4557 2006-08-26 Roger Sayle <roger@eyesopen.com>
4559 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4560 temporary visit flags on CASE_LABEL_EXPRs.
4561 * c-common.c (match_case_to_enum): Add function comment. Avoid
4562 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4563 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4564 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4565 a constant, only warn if that constant value isn't handled.
4567 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4570 * input.h (restore_input_file_stack): Declare.
4571 (INPUT_FILE_STACK_BITS): Define.
4572 * toplev.c (fs_p, input_file_stack_history,
4573 input_file_stack_restored, restore_input_file_stack): New.
4574 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4575 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4576 (pop_srcloc): Don't free old state of stack.
4578 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4581 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4582 (PowerPC Type Attributes): New.
4584 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4586 * config/xtensa/xtensa.c (function_arg_boundary): New.
4587 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4589 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4590 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4592 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4595 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4598 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4600 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4601 (verify_local_live_at_start): Likewise.
4603 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4606 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4607 omp_add_variable): Treat sizes as variable whenever not
4610 2006-08-26 Richard Guenther <rguenther@suse.de>
4613 * fold-const.c (fold_binary): Fold temporary to correct
4614 type before constructing new comparison.
4616 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4619 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4620 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4622 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4625 * c-decl.c (start_function): Don't try to process prototype
4626 information from old declaration that isn't a function.
4628 2006-08-25 Jan Hubicka <jh@suse.cz>
4631 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4633 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4636 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4639 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4641 PR tree-optimization/16876
4642 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4643 exit if PARM doesn't match VALUE.
4645 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4647 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4648 literal_prefix directive.
4649 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4650 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4651 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4653 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4656 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4657 predicate to general_operand. Add 0->y and I->r alternatives.
4659 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4661 * doc/tm.texi: Fix a typo.
4662 * predict.c: Fix comment typos.
4664 2006-08-25 Nick Clifton <nickc@redhat.com>
4666 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4667 assertions of "cpu" and "machine".
4669 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4672 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4673 the access through a base which has an alias set of 0 cannot
4676 2006-08-24 Bill Wendling <wendling@apple.com>
4678 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4680 2006-08-24 Jan Hubicka <jh@suse.cz>
4682 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4684 2006-08-24 Jan Hubicka <jh@suse.cz>
4687 * cgraph.c: Fix comments.
4688 (cgraph_varpool_mark_needed_node): Mark only variables not already
4690 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4691 (cgraph_varpool_assembled_nodes_queue): New static variable.
4692 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4693 (cgraph_varpool_output_debug_info): New function.
4694 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4695 * Makefile.in: Add gt-cgraphunit.h
4697 2006-08-24 Jan Hubicka <jh@suse.cz>
4699 * predict.c (probability_reliable_p): New predicate.
4700 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4701 (predict_loops): Do not predict loop exit with less than 2%
4703 * basic-block.h (edge_probability_reliable_p,
4704 br_prob_note_reliable_p): Declare.
4705 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4706 prediction when static predictor is not reliable.
4707 * rs6000.c (output_cbranch): Likewise.
4709 2006-08-23 Stuart Hastings <stuart@apple.com>
4712 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4713 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4715 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4718 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4719 complex values, nor for generic vector values.
4721 2006-08-22 Richard Guenther <rguenther@suse.de>
4724 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4725 parameter. Convert arguments to arithmetic expression to the
4727 (analyze_scalar_evolution_1): Adjust caller.
4729 2006-08-22 Jan Hubicka <jh@suse.cz>
4731 Patch by Paolo Bonzini
4732 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4735 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4737 PR tree-optimization/28003
4738 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4739 before grouping aliases.
4741 2006-08-22 Roger Sayle <roger@eyesopen.com>
4743 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4744 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4746 2006-08-21 Jason Merrill <jason@redhat.com>
4749 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4750 wrapper. Loop to handle nested wrappers.
4751 (gimplify_bind_expr): Remove temp parameter.
4752 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4753 and STATEMENT_LIST on the rhs.
4754 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4755 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4756 (gimplify_target_expr): Remove special BIND_EXPR handling.
4758 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4760 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4763 2006-08-21 Olivier Hainque <hainque@adacore.com>
4765 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4766 Arrange for the temporary captures of components overlapping the lhs
4767 to happen before the lhs is possibly cleared.
4769 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4771 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4772 necessary places to pass the correct "number of registers" values
4775 2006-08-20 Jan Hubicka <jh@suse.cz>
4777 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4778 (create_name_tags): Instead of quadratic checking use hashtable.
4779 * bitmap.h: Include hashtab.h.
4780 (bitmap_hash): Declare.
4781 * bitmap.c (bitmap_hash): New function.
4783 2006-08-20 Jan Hubicka <jh@suse.cz>
4785 PR rtl-optimization/28071
4786 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4788 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4789 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4790 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4791 cgraph_decide_inlining_incrementally): Update use of
4792 cgraph_check_inline_limits.
4793 * cgraph.c (edge_hash, edge_eq): New function.
4794 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4795 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4796 cgraph_remove_node): Maintain call site hash.
4797 * cgraph.h (struct cgraph_node): Add call_site_hash.
4798 (cgraph_set_call_stmt): New function.
4800 2006-08-20 Jan Hubicka <jh@suse.cz>
4802 PR rtl-optimization/28071
4803 * reload1.c (reg_has_output_reload): Turn into regset.
4804 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4805 choose_reload_regs, emit_reload_insns): Update to new
4806 reg_has_output_reload.
4808 2006-08-20 Jan Hubicka <jh@suse.cz>
4811 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4812 function body sizes.
4813 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4815 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4818 * tree.c (handle_dll_attribute): Return early if not a
4819 var or function decl.
4821 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4824 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4825 alignment of SPE vector types.
4827 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4829 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4831 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4834 * cgraph.h (struct cgraph_node): Remove externally_visible
4836 * cgraphunit.c (process_function_and_variable_attributes): Set
4837 local.externally_visible rather than externally_visible.
4840 * c-common.c (handle_externally_visible_attribute): First look
4841 at TREE_CODE and only if it is function or var decl, check for
4842 non-public objects. Don't warn for DECL_EXTERNAL.
4843 * cgraphunit.c (process_function_and_variable_attributes): Warn
4844 if externally_visible attribute is used on non-public object.
4846 2006-08-17 Jan Hubicka <jh@suse.cz>
4848 PR tree-optimization/27865
4849 * reload1.c (forget_marked_reloads): New function.
4850 (forget_old_reloads_1): When data are passed, just mark the registers
4852 (reload_as_needed): Use the new mechanizm.
4854 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4857 * reload.h (reg_equiv_alt_mem_list): New declaration.
4858 * reload1.c (reg_equiv_alt_mem_list): New definition.
4859 (reload): Initialize it and release it.
4860 (delete_output_reload): Use it.
4861 * reload.c (push_reg_equiv_alt_mem): New function.
4862 (find_reloads_toplev): Call it.
4863 (find_reloads_address, find_reloads_address_1): Likewise.
4864 (find_reloads_subreg_address): Likewise.
4866 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4868 PR rtl-optimization/28489
4869 * sched-ebb.c (begin_schedule_ready): Create basic block
4871 (advance_target_bb): Skip empty blocks.
4872 * haifa-sched.c (bb_note): Make global.
4873 * sched-int.h (bb_note): Add prototype.
4875 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4877 PR tree-optimization/27865
4878 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4880 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4881 fold_used_pointer, pointer_used_p): New functions.
4882 (analyze_scalar_evolution_1): Use fold_used_pointer.
4883 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4884 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4887 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4890 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4891 or the INTEGER_CST. Fail on a CALL_EXPR.
4892 (fold_offsetof): Pass new argument to fold_offsetof_1.
4893 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4894 operand into an INDIRECT_REF.
4895 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4897 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4899 PR gcov/profile/26570
4900 * value-prof.c (static_values): Removed.
4901 (tree_find_values_to_profile): Do not set static_values.
4902 (find_values_to_profile): Do not free static_values.
4903 * profile.c (instrument_values): Do not free the values.
4904 (branch_prob): Free the values.
4906 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4908 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4910 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4913 * c-typeck.c (build_component_ref): Combine qualifiers of
4914 structure or union and field.
4916 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4918 PR rtl-optimization/28071
4919 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4920 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4921 * tree-into-ssa.c (struct dom_dfsnum): New.
4922 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4924 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4925 compute_global_livein.
4926 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4927 in phi nodes in the correct blocks.
4929 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4931 PR tree-optimization/28364
4932 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4934 (fold_affine_expr): New function.
4935 (may_eliminate_iv): Use fold_affine_expr.
4937 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4940 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4943 2006-08-16 Mike Stump <mrs@apple.com>
4945 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4946 * doc/cppopts.texi (-MD): Likewise.
4948 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4951 * c-common.c (handle_weak_attribute): Ignore and warn if
4952 not a FUNCTION_ or VAR_DECL.
4954 2006-07-15 Mike Stump <mrs@apple.com>
4957 * c-parser.c (c_parser_typeof_specifier): Don't use
4958 c_finish_expr_stmt, open code desired semantics instead.
4960 2006-08-15 Nick Clifton <nickc@redhat.com>
4962 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4963 fragment to tmake_file only if threads are enabled.
4964 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4965 * config/i386/t-gthr-win32: New file. ... here.
4967 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4970 * c-parser.c (c_parser_compound_statement_nostart): Reset
4971 parser->error after each statement.
4973 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4976 * omp-low.c (lower_omp_parallel): Convert t to
4977 receiver_decl's type.
4978 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4979 source before comparison.
4982 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4983 to itype in assignment to oldival2.
4985 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4989 * c-typeck.c (build_compound_expr): If the second expression
4990 is an error mark, then just return an error mark instead of
4991 creating a COMPOUND_EXPR.
4993 2006-07-14 Mike Stump <mrs@apple.com>
4995 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4997 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4999 * c-decl.c, var-tracking.c: Fix comment typos.
5001 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5003 PR rtl-optimization/28634
5004 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5005 for floating-point modes unless flag_unsafe_math_optimizations.
5007 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5008 Andrew Pinski <pinskia@physics.uc.edu>
5011 * tree.c (build_array_type): Unify array types with
5012 unspecified index_type.
5013 * c-decl.c (grokdeclarator): Make sure we do not modify a
5014 unified incomplete array type.
5015 * c-typeck.c (store_init_value): Create distinct type before
5016 filling in the index type in an initializer from a compound
5019 * c-decl.c (grokdeclarator): Remove code where we copy the
5022 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5024 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5025 into account for TODO_dump_cgraph.
5026 (TODO_update_ssa_no_phi): Likewise.
5027 (TODO_update_ssa_full_phi): Likewise.
5028 (TODO_update_ssa_only_virtuals): Likewise.
5029 (TODO_remove_unused_locals): Likewise.
5030 (TODO_set_props): Likewise.
5031 (TODO_update_stmt_usage): Likewise.
5033 2006-08-13 Dirk Mueller <dmueller@suse.de>
5035 * c-common.c (strict_aliasing_warning): Fix formatting.
5037 2006-08-13 Matthias Klose <doko@debian.org>
5039 * doc/invoke.texi: Fix spelling errors.
5041 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5043 PR rtl-optimization/23454
5044 * reorg.c (relax_delay_slots): Update comment.
5046 2006-08-11 Richard Guenther <rguenther@suse.de>
5049 * simplify-rtx.c (simplify_const_relational_operation):
5050 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5053 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5055 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5056 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5058 2006-08-10 Paul Brook <paul@codesourcery.com>
5060 * final.c (final_scan_insn): Clear current_insn_predicate before
5061 outputting inline asm.
5063 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5065 PR tree-optimization/26197
5066 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5067 get_ref_base_and_extent and overlap_subvar to add only relevant
5068 subvars as may-aliases.
5069 (add_may_alias_for_new_tag): New function, factored out of
5071 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5072 with additional argument.
5073 * tree-flow.h (new_type_alias): Takes additional argument.
5075 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5077 * gcov.c (no_data_file): New flag.
5078 (read_count_file): Set it if data file not present. Assume counts
5080 (output_lines): Don't name the data file, if there wasn't one.
5082 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5084 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5085 (rs6000_generate_compare): Tweak comments.
5086 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5088 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5090 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5091 (var_debug_decl): New function.
5092 (var_reg_set): Follow debug decl link. Add location even if
5093 reg is already known to hold some other variable.
5094 (var_mem_set): Follow debug decl link.
5095 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5096 decl link. Delete other known locations of the variable part
5098 (var_reg_delete, var_mem_delete): Delete other known locations
5099 of the variable part if requested.
5100 (same_variable_part_p): New function.
5101 (add_stores): Select MO_COPY when appropriate.
5102 (vt_initialize): Handle it.
5103 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5104 known locations for MO_SET and MO_CLOBBER.
5105 (find_variable_location_part): New function.
5106 (set_variable_part, delete_variable_part): Use it.
5107 (clobber_variable_part): New function.
5108 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5111 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5113 PR tree-optimization/26969
5114 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5115 with an empty list of PHIs.
5117 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5121 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5124 2006-08-06 Andreas Schwab <schwab@suse.de>
5126 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5127 string. Whitespace and comment fixup.
5129 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5132 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5136 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5139 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5141 2006-08-04 Jan Hubicka <jh@suse.cz>
5145 * reload.c (push_reload): Patch out the mismatching instruction;
5147 (find_reload): Bail out if the instruction was patched out.
5149 2006-08-04 Jan Hubicka <jh@suse.cz>
5151 PR tree-optimization/24888
5152 * tree-inline.c (expand_call_inline): Do not re-record variables.
5153 (declare_inline_vars): Add variable to unexpanded_var_list.
5155 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5156 Roger Sayle <roger@eyesopen.com>
5158 PR rtl-optimization/26244
5159 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5160 inner_const are negative or greater than or equal to the bitsize of
5161 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5162 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5163 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5164 CONST0_RTX (mode) when the new shift count is greater than or equal to
5165 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5168 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5170 * tree-cfg.c: Fix a comment typo.
5172 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5175 * varasm.c (output_constant): Give the front end another chance to
5176 expand constants, after stripping NOPs.
5178 2006-08-03 Jan Hubicka <jh@suse.cz>
5180 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5183 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5185 PR tree-optimization/27770
5186 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5187 declaration removed (moved to tree-flow.h).
5188 (vect_can_force_dr_alignment_p): Likewise.
5189 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5190 (moved from tree-vectorizer.h).
5191 (vect_can_force_dr_alignment_p): Likewise.
5192 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5193 from outside the vectorizer - in particular from cgraph stage.
5194 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5195 the alignment of global arrays when -fsection-anchors is enabled.
5196 * cgraphunit.c (cgraph_increase_alignment): New function.
5197 (cgraph_optimize): Call cgraph_increase_alignment.
5199 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5202 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5203 not reload a SPE symbol_ref into a lo_sum address.
5205 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5208 * dwarf2out.c (prune_unused_types_prune): Move call to
5209 prune_unused_types_update_strings to cover the parent DIE also.
5211 2006-08-02 Jan Hubicka <jh@suse.cz>
5213 PR gcov/profile/28480
5214 * tree-cfg.c (change_bb_for_stmt): New function.
5215 (tree_merge_blocks, tree_split_blocks): Use it.
5217 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5223 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5224 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5225 (cgraph_optimize): Likewise.
5227 2006-08-01 Stuart Hastings <stuart@apple.com>
5229 * rtl.h (UINTVAL) New.
5230 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5231 * testsuite/gcc.dg/20060801-1.c: New.
5233 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5236 * c-typeck.c (build_external_type): Mark used enum types.
5237 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5239 (gen_subprogram_die): Whitespace fix.
5241 2006-08-01 Jan Hubicka <jh@suse.cz>
5243 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5244 bitmap when not needed.
5245 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5248 2006-08-01 Dirk Mueller <dmueller@suse.de>
5250 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5252 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5254 * Makefile.in: Revert part of previous patch:
5255 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5258 2006-07-30 Eric Christopher <echristo@apple.com>
5261 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5262 (PowerPC Variable Attributes): New section.
5264 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5266 PR target/28126 (partial fix)
5267 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5269 2006-07-28 Jan Hubicka <jh@suse.cz>
5271 PR rtl-optimization/28071
5272 * cfgrtl.c (rtl_delete_block): Free regsets.
5273 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5275 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5277 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5278 and variables used in dependencies.
5280 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5282 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5283 %fs for -mcmodel=kernel.
5284 (stack_tls_protect_test_di): Likewise.
5286 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5288 * Makefile.in: Use mkinstalldirs.
5290 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5293 * opts-common.c (prune_options): Skip joined switches.
5295 2006-07-27 Jan Hubicka <jh@suse.cz>
5297 PR rtl-optimization/28071
5298 * cselib.c (cselib_process_insn): Don't remove useless values too
5299 often for very large hashtables.
5301 2006-07-27 Jan Hubicka <jh@suse.cz>
5303 PR rtl-optimization/28071
5304 * global.c (greg_obstack): New obstack.
5305 (allocate_bb_info): Use it.
5306 (free_bb_info): Likewise.
5307 (modify_reg_pav): Likewise.
5309 2006-07-27 Roger Sayle <roger@eyesopen.com>
5311 * builtins.c (fold_fixed_mathfn): When long and long long are the
5312 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5313 functions to their lceil*, lfloor*, lround* and lrint* forms.
5315 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5318 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5320 (rev_branch_insn): Likewise.
5322 2006-07-27 Jan Hubicka <jh@suse.cz>
5324 PR rtl-optimization/28071
5325 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5326 (reg_set_in_bb, max_reg_computed): New static variables.
5327 (regmove_optimize): Free the new array.
5328 (fixup_match_1): Update call of reg_is_remote_constant_p.
5330 2006-07-26 Jan Hubicka <jh@suse.cz>
5332 PR tree-optimization/27882
5333 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5335 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5337 (cgraph_analyze_compilation_unit): Likewise.
5338 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5339 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5340 (cgraph_early_inlinine): Make order garbage collected.
5341 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5343 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5345 * dbxout.c (output_types_sort): Add a comment.
5346 (output_used_types): Free the VEC.
5348 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5350 * function.c (reorder_fix_fragments): Delete.
5351 (reorder_blocks): Don't call it.
5352 (reorder_blocks_1): Put all subblocks under the origin block.
5354 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5356 PR rtl-optimization/27907
5357 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5360 2006-07-25 Roger Sayle <roger@eyesopen.com>
5363 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5364 bar(x) check that bar's result type can represent all the values of T.
5366 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5368 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5370 2006-07-25 Nick Clifton <nickc@redhat.com>
5372 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5373 size_lookup[] array.
5374 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5375 (ggc_pch_count_object): Likewise.
5376 (ggc_pch_alloc_object): Likewise.
5377 (ggc_pch_write_object): Likewise.
5378 (init_ggc): Do not attempt to initialize entries in the
5379 size_lookup[] array for objects whose size is greater than than
5380 the length of the array.
5382 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5384 * dbxout.c (output_used_types_helper): Push queued types
5386 (output_types_sort): New.
5387 (output_used_types): Collect used types on a VEC and sort them
5390 2006-07-24 Richard Guenther <rguenther@suse.de>
5393 * cgraph.c (cgraph_remove_node): Do not check if dumps
5395 * cgraphunit.c (cgraph_optimize): Likewise.
5397 2006-07-24 Jan Hubicka <jh@suse.cz>
5399 PR rtl-optimization/28071
5400 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5401 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5402 splitting before first stmt.
5404 2006-07-24 Jan Hubicka <jh@suse.cz>
5406 PR rtl-optimization/28071
5407 * ipa-inline.c (update_caller_keys): Remove edges that
5408 are no longer inline candidates.
5410 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5413 * dbxout.c (output_used_types_helper, output_used_types): New.
5414 (dbxout_symbol): Call output_used_types.
5416 2006-07-23 Jan Hubicka <jh@suse.cz>
5420 * cgraph.c (cgraph_varpool_nodes): Export.
5421 (decide_is_variable_needed): Ignored "used" attribute in
5422 unit-at-a-time mode.
5423 * cgraph.h (cgraph_varpool_nodes): Declare.
5424 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5425 unit-at-a-time mode.
5427 2006-07-23 Roger Sayle <roger@eyesopen.com>
5430 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5431 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5432 the __gthrw form of thr_keycreate.
5433 (__gthread_key_delete): Silence the unused argument warning.
5435 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5438 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5439 Cache the last found '\0' marker to avoid quadratic behavior.
5441 2006-07-23 Jan Hubicka <jh@suse.cz>
5443 * i386.md (subsi_3_zext): Fix output template.
5445 2006-07-21 Mike Stump <mrs@apple.com>
5447 * doc/invoke.texi (C++ Dialect Options): Note that
5448 -fvisibility-inlines-hidden doesn't affect explicitly
5449 instantiationed inline methods.
5451 2006-07-20 Roger Sayle <roger@eyesopen.com>
5453 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5454 if the target assembler is GNU binutils' gas.
5455 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5456 whether to pass GNU gas or native as command line options.
5458 2006-07-20 Jason Merrill <jason@redhat.com>
5460 * tree.c (remove_attribute): New fn.
5461 * tree.h: Declare it.
5463 2006-07-20 Paul Brook <paul@codesourcery.com>
5466 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5467 they are invalidated by this instruction.
5469 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5472 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5474 2006-07-20 Eric Christopher <echristo@apple.com>
5477 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5479 2006-07-19 Eric Christopher <echristo@apple.com>
5481 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5482 Rewrite dependencies for libgcc_s.1.dylib.
5484 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5486 * except.c (duplicate_eh_regions_1): Clear next_peer.
5488 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5490 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5491 -mlongcall does not guarantee all calls will be long.
5492 * doc/extend.texi (long_call/short_call): Document that longcall
5493 does not guarantee a long call will be used.
5494 (longcall/shortcall): Likewise.
5496 2006-07-18 Roger Sayle <roger@eyesopen.com>
5499 * expmed.c (expand_shift): Additionally check that the shift_cost
5500 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5501 before implementing a LSHIFT_EXPR as a sequence of additions.
5502 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5503 middle-end that DImode shifts need to be synthesized by expand.
5505 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5508 * tree-ssa-operands.c (access_can_touch_variable): Update
5510 Return true if ALIAS is .GLOBAL_VAR.
5512 2006-07-18 David Daney <ddaney@avtrex.com>
5514 * gcc.c (display_help): Fix typo in help text.
5516 2006-07-18 Olivier Hainque <hainque@adacore.com>
5518 * tree.h (categorize_ctor_elements): Adjust prototype and add
5519 descriptive comment, both in accordance with the interface change
5521 * varasm.c (constructor_static_from_elts_p): New function.
5522 Whether a constructor node is a valid static constant initializer
5523 if all its elements are.
5524 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5525 * output.h: Declare it.
5526 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5527 is a valid constant initializer instead of computing the number of
5528 non-constant elements. Use constructor_static_from_elts_p for this
5529 purpose. Replace the head comment with an indication that this is a
5530 helper for categorize_ctor_elements.
5531 (categorize_ctor_elements): Same interface change as for the _1
5532 helper. Former head comment from this helper moved here, adjusted to
5533 account for the interface changes.
5534 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5535 (all_zeros_p): Likewise.
5536 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5537 static versions of the constructor from the categorize_ctor_elements
5538 return value instead of the formerly computed number of non-constant
5541 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5543 * configure: Regenerate.
5544 * Makefile.in (build_libsubdir): New configure substitution
5545 (build_libobjdir): New variable.
5546 (BUILD_LIBIBERTY): Use it.
5548 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5551 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5553 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5556 * c-common.c (handle_weakref_attribute): Ignore attribute in
5557 the same conditions the alias attribute is ignored.
5559 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5561 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5562 (dbxout_begin_prologue): Increment scope_labelno.
5564 2006-07-17 Richard Henderson <rth@redhat.com>
5567 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5570 2006-07-17 Roger Sayle <roger@eyesopen.com>
5571 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5573 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5574 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5575 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5576 functions such as sbrk, write, etc.. Add function prototypes.
5577 Convert function declarations from K&R to ISO C. Cast pointers
5578 to "long" and "unsigned long" instead of "int" and "unsigned int".
5579 Convert tokens following #endif into comments.
5581 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5583 * invoke.texi: Remove mention of f77; Reformat table for
5584 inline parameter options correctly; mention that -malign-double
5585 is default on x86-64 targets.
5587 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5589 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5590 (convert_affine_scev, chrec_convert_aggressive): Use
5591 avoid_arithmetics_in_type_p. Do not check for the subtypes
5594 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5597 * optabs.c (expand_doubleword_shift): Wrap the call to
5598 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5600 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5603 * optabs.c (expand_binop): Pass next_methods rather than methods
5604 to expand_doubleword_shift.
5606 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5609 * tree.h (dump_addr): Declare.
5610 * print-tree.c (dump_addr): New function.
5611 (print_node_brief, print_node): Use it.
5612 * print-rtl.c (print_rtx): Likewise.
5613 * common.opt (-fdump-noaddr): New option.
5614 * doc/invoke.texi (-fdump-noaddr): Document.
5615 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5616 (ve_info_hash): Likewise.
5618 2006-07-13 Andrew Haley <aph@redhat.com>
5620 PR tree-optimization/19505
5621 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5622 edge leaving this block, make sure that the destination of this
5623 block has only one predecessor.
5625 2006-07-17 Richard Guenther <rguenther@suse.de>
5627 PR tree-optimization/28238
5628 * tree-inline.c (copy_bb): Check if we produced valid
5629 gimple copying and substituting a stmt. If not, gimplify
5632 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5634 * optabs.c (maybe_encapsulate_block): New function extracted from...
5635 (emit_libcall_block): ...here. Invoke it on the block of insns to
5636 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5637 (emit_no_conflict_block): Likewise.
5639 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5641 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5643 2006-07-15 Roger Sayle <roger@eyesopen.com>
5645 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5646 a new NOP_EXPR case of the switch statement.
5648 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5651 * stor-layout.c (place_field): Take the bit field with
5652 an excessive size into account in the ms-bitfiled case.
5655 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5656 the previous bit field.
5658 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5661 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5663 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5665 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5666 signal frames correctly even when the signal was installed with
5669 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5671 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5672 (dbxout_function_end): Use local label LFBB. Remove hook
5674 (dbxout_source_line): Use local label LFBB.
5675 (dbxout_block): Likewise.
5676 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5677 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5678 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5679 and DBX_OUTPUT_NFUN.
5681 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5683 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5685 2006-07-13 Jan Hubicka <jh@suse.cz>
5687 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5689 * output.h (align_variable): Declare.
5690 * varasm.c (align_variable): Export.
5691 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5692 when basic block changed.
5694 2006-07-13 Nick Clifton <nickc@redhat.com>
5696 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5697 walking the LOG_LINKS chain.
5699 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5701 * doc/invoke.texi (C++ Dialect Options): Explain difference
5702 between -fvisibility-inlines-hidden and setting hidden
5703 visibility explicitly.
5705 2006-07-12 Eric Christopher <echristo@apple.com>
5707 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5708 (stmp-lipo): Depend on libgcc.a.
5710 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5712 * tree.c: Fix a comment typo.
5714 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5716 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5718 (umulhisi3_r): Likewise.
5720 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5723 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5724 x < 19, vs wchar_t support.
5726 2006-07-12 Nick Clifton <nickc@redhat.com>
5728 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5729 instead of -isa=sh4.
5731 2006-07-12 Mike Stump <mrs@apple.com>
5733 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5735 2006-07-10 Eric Christopher <echristo@apple.com>
5737 * config/t-slibgcc-darwin: Rewrite.
5739 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5742 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5745 2006-07-08 Matthias Klose <doko@debian.org>
5747 * doc/sourcebuild.texi: Fix typo.
5749 2006-07-07 Mike Stump <mrs@apple.com>
5751 * toplev.c (process_options): Don't give -ffunction-sections may
5752 affect debugging warning for Mach-O.
5754 2006-07-07 James E Wilson <wilson@specifix.com>
5756 * config/mips/mips.md (cpu): Add sb1a.
5757 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5758 addition to sb1. Adjust comments to clarify SB-1A differences from
5760 (ir_sb1a_load): New. Modify bypasses to use it.
5761 (ir_sb1a_simple_alu): Likewise.
5762 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5763 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5764 (mips_issue_rate): Add PROCESSOR_SB1A.
5765 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5766 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5767 (TARGET_SB1): Add PROCESSOR_SB1A check.
5768 (TUNE_SB1): Likewise.
5770 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5771 * config/mips/mips.c (mips_store_data_bypass_p): New.
5772 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5773 store_data_bypass_p.
5775 2006-07-08 Paul Brook <paul@codesourcery.com>
5778 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5780 2006-07-07 Richard Guenther <rguenther@suse.de>
5783 * tree.h (build_one_cst): Declare.
5784 * tree.c (build_one_cst): New function.
5785 * tree-ssa-math-opts.c (get_constant_one): Remove.
5786 (insert_reciprocals): Use build_one_cst.
5787 * fold-const.c (fold_plusminus_mult): Likewise.
5789 2006-07-07 Roger Sayle <roger@eyesopen.com>
5791 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5792 * cfgloopanal.c (dump_graph): Likewise.
5793 * dojump.c (discard_pending_stack_adjust): Likewise.
5794 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5796 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5797 * function.c (finalize_block_changes): Likewise.
5798 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5799 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5800 * rtl.c (dump_rtx_statistics): Likewise.
5801 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5803 * varray.c (dump_varray_statistics): Likewise.
5804 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5805 decode_decimal64, encode_decimal128, decode_decimal128,
5806 decimal_real_to_decimal): Likewise.
5808 2006-07-07 Richard Guenther <rguenther@suse.de>
5810 PR tree-optimization/28187
5811 * tree-vrp.c (vrp_operand_equal_p): New function.
5812 (vrp_bitmap_equal_p): Likewise.
5813 (update_value_range): Use them to compare old and new
5816 2006-07-06 Roger Sayle <roger@eyesopen.com>
5818 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5819 a default case to switch statement to silence compiler warnings.
5821 2006-07-06 Roger Sayle <roger@eyesopen.com>
5824 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5825 the configured assembler supports the x87's ffreep mnemonic.
5826 * configure: Regenerate.
5827 * config.in: Regenerate.
5829 * config/i386/i386.c (output_387_ffreep): New function.
5830 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5831 (output_387_reg_move): Likewise.
5833 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5835 Port to hosts whose 'sort' and 'tail' implementations
5836 treat operands with leading '+' as file names, as POSIX
5837 has required since 2001. However, make sure the code still
5838 works on pre-POSIX hosts.
5839 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5840 which says you should use "tail -c +N" rather than "tail +Nc".
5841 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5843 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5845 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5848 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5851 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5852 PRE_{INC,DEC} of TFmode.
5854 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5855 Alan Modra <amodra@bigpond.net.au>
5858 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5861 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5864 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5865 Remove duplicate gtu.
5867 2006-07-05 Jason Merrill <jason@redhat.com>
5871 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5872 * c-common.c (handle_packed_attribute): So don't copy it here.
5873 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5875 2006-07-05 Mike Stump <mrs@apple.com>
5877 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5879 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5882 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5884 2006-07-05 Richard Guenther <rguenther@suse.de>
5887 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5888 TARGET_SSE2 targets if using SSE math.
5889 (*absdf2_1): Likewise.
5891 2006-07-05 Richard Guenther <rguenther@suse.de>
5893 PR tree-optimization/28162
5894 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5895 make sure to convert the operands to the correct type.
5897 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5899 PR tree-optimization/28218
5901 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5902 to calculate and free the dominator information.
5904 2006-07-04 Peter O'Gorman <peter@pogma.com>
5906 * mklibgcc.in: chmod 644 before ranlib during install.
5908 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5909 J"orn Rennecke <joern.rennecke@st.com>
5911 * configure.ac (.eh_frame data check): Use diff -b.
5913 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5916 * Makefile.in (BUILD_RTL): Add build/vec.o.
5917 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5918 (build/genextract): Delete.
5919 (build/genautomata): Likewise.
5921 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5924 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5925 128-bit IBM long doubles for ABI_V4.
5927 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5929 * tree.c (range_in_array_bounds_p): New predicate.
5930 * tree.h (range_in_array_bounds_p): Declare it.
5931 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5932 return a less conservative answer.
5933 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5934 and flag 'is_group'.
5935 (IS_ELEMENT_FOR_GROUP): New macro.
5936 (FOR_EACH_ACTUAL_CHILD): Likewise.
5937 (next_child_for_group): New helper function.
5938 (can_completely_scalarize_p): Take into account groups.
5939 (sra_hash_tree): Handle RANGE_EXPR.
5940 (sra_elt_eq): Likewise.
5941 (lookup_element): Be prepared for handling groups.
5942 (is_valid_const_index): Delete.
5943 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5944 instead of is_valid_const_index.
5945 <ARRAY_RANGE_REF>: New case.
5946 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5947 is_valid_const_index.
5948 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5949 (scan_dump): Dump info for groups too.
5950 (decide_instantiation_1): Likewise.
5951 (decide_block_copy): Assert that the element is not a group.
5952 Propagate decision to groups.
5953 (generate_one_element_ref): Handle RANGE_EXPR.
5954 (mark_no_warning): Iterate over actual childs.
5955 (generate_copy_inout): Likewise.
5956 (generate_element_copy): Likewise.
5957 (generate_element_zero): Likewise.
5958 (generate_element_init_1): Likewise.
5959 (dump_sra_elt_name): Handle RANGE_EXPR.
5961 2006-07-03 Roger Sayle <roger@eyesopen.com>
5963 PR tree-optimization/26251
5964 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5965 (thread_block): When optimizing for size refuse to thread jumps
5966 that would require duplication of blocks other than redirection
5969 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5971 * configure.ac: Fix thinko in previous check-in.
5972 * configure: Regenerate.
5974 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5977 * configure.ac (for lang...): Simplify nesting of conditionals.
5978 Test subdir_requires for non-enabled languages. Move processing
5979 of lang_opt_files and lang_tree_fiels below that test.
5980 * configure: Regenerate.
5981 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5983 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5985 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5987 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5989 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5992 2006-06-29 Jason Merrill <jason@redhat.com>
5999 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6000 * c-common.c (c_determine_visibility): Handle it here.
6001 * c-decl.c (finish_decl): Call c_determine_visibility for
6003 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6005 * varasm.c (default_assemble_visibility): Likewise.
6006 * c-common.c (handle_visibility_attribute): Complain about trying
6007 to give visibility to an already defined class, or trying to change
6008 declared visibility. Always attach the attribute.
6013 * attribs.c (decl_attributes): Ignore type-in-place attributes
6014 once the type has been defined.
6016 2006-06-29 Roger Sayle <roger@eyesopen.com>
6019 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6020 to indicate the cpplib has issued an error message for us.
6022 2006-06-29 Asher Langton <langton2@llnl.gov>
6025 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6026 insert a label at the end of an function under Mach-O.
6028 2006-06-29 Eric Christopher <echristo@apple.com>
6029 Evan Cheng <evan.cheng@apple.com>
6031 * predicates.md (vector_all_ones_operand): New.
6032 (nonimmediate_or_sse_const_operand): Ditto.
6033 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6034 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6035 (standard_sse_mode_p): Ditto.
6036 (standard_sse_constant_p): Add case for -1 vector.
6037 (ix86_expand_vector_move): Try to use.
6038 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6039 Call standard_sse_constant_opcode.
6040 (*movv4sf_internal): Ditto.
6041 (*movv2df_internal): Ditto.
6043 2006-06-29 Roger Sayle <roger@eyesopen.com>
6045 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6046 of XEXP to extract the operands of a MATCH_CODE rtx.
6048 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6050 * tree.c (tree_size): Do not waste tail padding in
6051 struct tree_string and make the size be the same as
6052 build_string will generate.
6054 2006-06-28 Jason Merrill <jason@redhat.com>
6057 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6058 may_aliases already in the tag's annotations to the bitmap.
6060 2006-06-28 Roger Sayle <roger@eyesopen.com>
6062 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6064 2006-06-28 Roger Sayle <roger@eyesopen.com>
6066 * genpreds.c (generate_switch_p): New function.
6067 (add_mode_tests): Push the new mode test down inside an AND expr
6068 if this allows the switch-suitable MATCH_CODE to be near the root.
6069 (write_match_code_switch): New function to write a MATCH_CODE as
6071 (write_predicate_stmts): New function to write a predicate RTX
6072 expression as a sequence of statements.
6073 (write_one_predicate_function): Use write_predicate_stmts.
6074 (write_tm_constrs_h): Likewise.
6076 2006-06-26 Fred Fish <fnf@specifix.com>
6078 * config/mips/t-sb1: New file.
6079 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6082 2006-06-26 DJ Delorie <dj@redhat.com>
6084 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6086 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6087 Jayant Sonar <jayants@kpitcummins.com>
6088 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6090 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6091 (subsi3, subsi3_1, subsi3_2): New.
6092 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6093 * config/m32c/mov.md (SI mov peephole): New.
6094 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6095 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6097 2006-06-26 Olivier Hainque <hainque@adacore.com>
6099 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6100 a CALL_EXPR target function declaration.
6102 2006-06-26 Richard Guenther <rguenther@suse.de>
6104 * tree.c (build_string): Do not waste tail padding in
6107 2006-06-26 Richard Guenther <rguenther@suse.de>
6109 * ggc-page.c (init_ggc): Add missing element to size_lookup
6113 2006-06-23 Richard Guenther <rguenther@suse.de>
6115 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6116 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6117 alignment requests instead. Add verification code.
6118 Add struct tree_function_decl and struct tree_binfo size to
6119 extra_order_size_table. Add missing element to size_lookup
6122 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6125 * fold-const.c (const_binop): Be prepared for self returning zero.
6126 Simplify code handling complex values.
6128 2006-06-24 Olivier Hainque <hainque@adacore.com>
6130 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6131 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6134 2006-06-24 Olivier Hainque <hainque@adacore.com>
6136 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6137 ARRAY_REF, so have the callback called for the low bound expression.
6139 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6141 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6142 * c-typeck.c (c_common_type): Disallow operations on decimal float
6143 types and other float types.
6144 * convert.c (convert_to_real): Don't ignore conversions involving
6145 decimal float types.
6147 2006-06-23 Olivier Hainque <hainque@adacore.com>
6149 * tree.c (max_int_size_in_bytes): New function, inspired from
6150 code in function.c:assign_temp.
6151 * tree.h (max_int_size_in_bytes): Declare.
6152 * function.c (assign_temp): Use it.
6153 * gimplify.c (create_tmp_var): Relax the assertions on the type
6154 properties, not mandating constant size any more.
6155 (force_constant_size): New static function.
6156 (gimple_add_tmp_var): Use it, forcing variable size to a
6157 constant upper bound if it is not constant on entry.
6159 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6162 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6163 for initialization and setting of one_only flag to ...
6164 (i386_pe_encode_section_info): ...here.
6165 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6166 Recheck that the symbol has not been defined.
6168 2006-06-23 Richard Guenther <rguenther@suse.de>
6170 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6171 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6172 alignment requests instead. Add verification code.
6173 Add struct tree_function_decl and struct tree_binfo size to
6174 extra_order_size_table. Add missing element to size_lookup
6177 2006-06-22 Roger Sayle <roger@eyesopen.com>
6178 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6181 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6182 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6184 2006-06-23 Ben Elliston <bje@au.ibm.com>
6186 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6187 negate dn -- manipulate it directly.
6189 2006-06-22 Roger Sayle <roger@eyesopen.com>
6190 Steven Bosscher <stevenb.gcc@gmail.com>
6193 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6194 generated by gen_move_insn to add REG_LABEL notes if necessary.
6196 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6198 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6199 (leaf_entry): Remove use of MIN_ESA.
6201 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6203 PR rtl-optimization/28121
6204 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6207 2006-06-21 DJ Delorie <dj@redhat.com>
6209 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6211 (mulhisi3_r): Likewise.
6213 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6216 * coverage.c (coverage_counter_alloc): Leave the index type
6218 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6221 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6223 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6224 section from the "Options for Code Generation Conventions".
6226 2006-06-21 Richard Henderson <rth@redhat.com>
6230 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6232 (global_symbolic_operand): Allow weak symbols, even if local_p.
6234 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6236 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6237 (find_interesting_uses_address): Punt if above function returns true.
6239 2006-06-21 Richard Guenther <rguenther@suse.de>
6241 * configure: Regenerated.
6243 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6245 * config/mips/mips.c (function_arg): Where one part of a
6246 complex argument is in registers and the other part in the stack,
6247 return a REG not a PARALLEL.
6249 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6251 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6252 when cross-compiling. Do not substitute libstdcxx_incdir.
6253 * configure: Regenerated.
6255 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6257 * varasm.c (mergeable_string_section): Check for embedded NULs and
6258 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6259 rather than TREE_STRING_LENGTH bytes.
6261 2006-06-21 Richard Guenther <rguenther@suse.de>
6263 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6264 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6267 2006-06-21 Richrad Guenther <rguenther@suse.de>
6269 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6270 Limit iteration over the dominators.
6272 2006-06-20 Roger Sayle <roger@eyesopen.com>
6274 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6275 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6277 2006-06-20 Richard Guenther <rguenther@suse.de>
6278 Michael Matz <matz@suse.de>
6280 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6282 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6283 * et-forest.h (et_free_pools): Prototype new function.
6284 * et-forest.c (et_free_tree_force): Free parent occurrence.
6285 (et_free_pools): New function.
6286 * dominance.c (free_dominance_info): Free et-forest alloc
6289 2006-06-20 Roger Sayle <roger@eyesopen.com>
6291 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6292 integer modes, attempt to directly construct an integer constant.
6294 * fold-const.c (native_encode_vector): Determine the size of each
6295 element from the vector type instead of the first vector element.
6297 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6298 if all of its elements/components are constant.
6299 (build_constructor_from_list): Likewise.
6301 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6303 PR tree-optimization/27331
6304 * tree-data-ref.c (free_data_ref): New function.
6305 (create_data_ref): Fail if the data reference has unknown access
6307 (free_data_refs): Use free_data_ref.
6309 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6312 * tree-inline.c (setup_one_parameter): Strip useless
6313 type conversion before adding it to the IR.
6314 (declare_return_variable): Likewise.
6316 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6319 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6321 2006-06-19 Mike Stump <mrs@apple.com>
6323 * tree.c (variably_modified_type_p): VM arguments don't make the
6326 2006-06-19 Richard Guenther <rguenther@suse.de>
6328 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6329 type conversions after folding.
6331 2006-06-19 Richard Guenther <rguenther@suse.de>
6333 * ggc-page.c (extra_order_size_tab): Add entries with
6334 size of struct function and basic_block.
6335 (size_lookup): Extend to cover sizes up to 511.
6336 (ggc_alloc_stat): Adjust user.
6337 (ggc_pch_count_object): Likewise.
6338 (ggc_pch_alloc_object): Likewise.
6339 (ggc_pch_write_object): Likewise.
6341 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6343 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6344 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6347 2006-06-19 Denis Chertykov <denisc@overta.ru>
6349 * config/avr/libgcc.S : Correct my wrong previous commit.
6351 2006-06-19 Roger Sayle <roger@eyesopen.com>
6354 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6355 have stripped a SUBREG from the shift count, so we may need to
6356 convert_to_mode back to the type's mode before calling make_tree.
6357 Use new_amount instead of amount to avoid expanding a tree twice.
6359 2006-06-19 Richard Guenther <rguenther@suse.de>
6362 * fold-const.c (operand_equal_p): Check if the argument types
6363 have the same precision before stripping NOPs.
6365 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6367 Fix PR tree-optimization/27341
6368 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6370 * tree-complex.c (pass_lower_complex): Update SMT usage.
6372 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6374 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6375 Add a new alternative to the constraint strings. Add move of
6376 operand 1 to 3 to the splitter definition.
6377 ("doloop_si_long"): Second contraint alternative removed.
6379 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6381 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6382 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6384 (AVR_HAVE_MOVW) Define.
6385 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6386 (ASM_SPEC): Add avr25.
6387 (LINK_SPEC): Add avr25.
6388 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6389 (base_arch_s): Add new member 'have_movw_lpmx'.
6390 (avr_arch_types): Init 'have_movw_lpmx'.
6391 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6392 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6393 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6394 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6395 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6397 (avr_file_start): Do not output '.arh' derective.
6398 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6399 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6400 * config/avr/avr.md (mcu_enhanced): Delete.
6401 (mcu_have_movw): Define.
6402 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6403 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6404 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6405 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6406 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6407 attiny861 and at86rf401 devices.
6409 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6411 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6414 2006-06-17 Karl Berry <karl@gnu.org>
6416 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6417 doc/gccint.texi, doc/install.texi (@dircategory): Use
6418 "Software development" instead of "Programming", following
6419 the Free Software Directory.
6421 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6423 * config/i386/i386.c (legitimate_tls_address)
6424 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6425 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6426 (*tls_dynamic_gnu2_combine_64): Likewise.
6428 2006-06-16 Richard Guenther <rguenther@suse.de>
6431 * fold-const.c (negate_expr_p): Do not introduce undefined
6432 overflow in negating INTEGER_CSTs.
6433 (fold_negate_expr): Rename from negate_expr. Revert last
6434 change for folding BIT_NOT_EXPR. Change semantics to
6435 return NULL_TREE for non-simplified negations. Do not
6436 strip type conversions and unify type handling.
6437 (negate_expr): New function, wrap around fold_negate_expr
6438 but ensure building a tree always. Strip type conversions
6439 here, fold to result type.
6440 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6442 2006-06-16 Roger Sayle <roger@eyesopen.com>
6445 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6446 that (would) return their results in stack registers.
6448 2006-06-16 Michael Matz <matz@suse.de>
6449 Richard Guenther <rguenther@suse.de>
6451 * fold-const.c (fold_truthop): Only return new tree node if
6452 we canonicalized something.
6454 2006-06-16 Richard Guenther <rguenther@suse.de>
6456 * function.h (enum function_frequency): Move declaration
6457 out of struct function.
6458 (struct function): Move bool fields and the enum to the bitfield
6459 section. Reorder elements to avoid padding. Remove unused
6460 fields left over from the RTL inliner removal.
6461 * function.c (free_after_compilation): Do not zero removed fields.
6462 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6463 (ipa-type-escape.o): Likewise.
6465 2006-06-16 Richard Guenther <rguenther@suse.de>
6467 * cgraph.h (struct cgraph_local_info): Turn bool elements
6469 (struct cgraph_node): Likewise.
6470 (struct cgraph_varpool_node): Likewise.
6472 2006-06-15 Richard Guenther <rguenther@suse.de>
6474 * fold-const.c (fold_truth_not_expr): Rename from
6475 invert_truthvalue. Give it fold_* semantics to avoid
6477 (invert_truthvalue): New function. Wrapper around
6478 fold_truth_not_expr.
6479 (optimize_minmax_comparison): Avoid creating garbage.
6480 (fold_unary): Use fold_truth_not_expr for folding
6482 (fold_ternary): Replace uses of invert_truthvalue with
6483 fold_truth_not_expr where applicable.
6484 * tree.h (fold_truth_not_expr): Prototype.
6486 2006-06-16 Richard Guenther <rguenther@suse.de>
6488 PR tree-optimization/27781
6489 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6490 * ipa-pure-const.c (target.h): Include.
6491 (analyze_function): Do not analyze functions that do not
6494 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6497 * tree-dfa.c (referenced_vars_dup_list): Remove.
6498 (find_referenced_vars): Remove assert.
6499 (referenced_var_check_and_insert): Replace dup list with assert.
6500 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6501 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6503 2006-06-15 Richard Guenther <rguenther@suse.de>
6505 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6506 extra unused identifiers if not dumping.
6507 (create_variable_info_for): Likewise.
6509 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6511 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6512 (derive_constant_upper_bound): Derive more precise upper bound in
6513 common cases. Return type changed to double_int.
6514 (record_estimate): Reflect the changed return type of
6515 derive_constant_upper_bound.
6516 * double-int.c (double_int_zext, double_int_sext): Fix.
6518 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6520 * configure.ac (CFLAGS): Get them from the toplevel or from the
6521 configure invocation.
6522 * configure: Regenerate.
6523 * Makefile.in (CFLAGS): Substitute value provided by configure.
6525 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6528 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6529 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6530 rather than calling add_stmt on it.
6531 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6533 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6536 * reload1.c (reload): Remove registers returned by update_eliminables
6537 from used_spill_regs.
6539 2006-06-13 DJ Delorie <dj@redhat.com>
6541 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6543 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6545 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6546 html__strip_dir, html__mkdir_p. Enhance install-html target.
6547 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6548 * configure: Regenerate.
6550 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6552 * fold-const.c (fold_cond_expr_with_comparison): Check for
6553 Objective-C++ as language in deciding COND_EXPR transformation.
6555 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6558 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6559 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6560 * config/sh/lib1funcs.h (SL, SL1): Define.
6561 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6562 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6563 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6564 (OBJS_Os_4_200): New variable.
6565 ($(T)libgcc-Os-4-200.a): Use it.
6566 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6567 when dividing 1 and/or by 0.
6569 2006-06-13 Roger Sayle <roger@eyesopen.com>
6571 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6572 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6573 * configure: Regenerate.
6575 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6577 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6578 for real instruction.
6580 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6583 * haifa-sched.c (check_cfg): Handle special case.
6585 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6588 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6589 Add debug_info parameter. Chain the vars to the BLOCK instead
6590 of the BIND_EXPR if debug info are requested for them.
6591 (pop_gimplify_context): Adjust for above change.
6592 (gimple_add_tmp_var): Likewise.
6593 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6595 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6596 (convert_local_reference): Likewise.
6597 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6598 (finalize_nesting_tree_1): Request that debug info be emitted
6599 for debug_var_chain.
6601 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6603 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6604 for PR target/27863.
6606 2006-06-13 Richard Guenther <rguenther@suse.de>
6609 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6611 2006-06-13 Richard Guenther <rguenther@suse.de>
6613 PR tree-optimization/27830
6614 * tree-inline.c (copy_body_r): For copying the operand
6615 of an ADDR_EXPR make sure to fold &* afterwards.
6617 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6619 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6620 lvalues in the fb_none case with side-effects.
6622 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6624 * tree-flow.h: Remove the prototype for
6625 compute_phi_arg_on_exit.
6626 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6627 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6630 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6632 * builtins.c (expand_builtin_return_addr): Only use
6633 frame_pointer_rtx when count == 0 and we are expanding
6634 __builtin_return_address.
6636 2006-06-12 Fred Fish <fnf@specifix.com>
6638 * config/mips/mips.c (mips_file_start): Create special section
6639 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6641 2006-06-11 Eric Christopher <echristo@apple.com>
6644 * stor-layout.c (place_field): Remove check for
6645 remaining_in_alignment when aligning at the end of a run.
6647 2006-06-11 Eric Christopher <echristo@apple.com>
6650 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6653 2006-06-11 Roger Sayle <roger@eyesopen.com>
6656 Revert incorrect fix for PR target/27158
6657 2006-05-08 Roger Sayle <roger@eyesopen.com>
6658 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6659 of a reg_equiv_constant if the result is a legitimate constant.
6661 2006-06-11 Roger Sayle <roger@eyesopen.com>
6664 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6665 extract a CONST_VECTOR element and interpret it as an integer.
6666 (vspltis_constant): Use const_vector_elt_as_int instead of the
6667 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6668 * config/rs6000/predicates.md (easy_vector_const): Consider
6669 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6671 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6674 * stor-layout.c (update_alignment_for_field): Don't add extra
6675 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6678 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6680 * config/mips/t-rtems: Add EL/EB multilib variants.
6682 2006-06-09 Mike Stump <mrs@apple.com>
6684 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6686 2006-06-09 David Daney <ddaney@avtrex.com>
6688 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6690 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6692 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6694 2006-06-09 Richard Guenther <rguenther@suse.de>
6696 PR tree-optimization/26998
6697 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6698 of signed types, only TYPE_MIN_VALUE is special, but for both,
6699 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6700 in this case, as is -fwrapv.
6702 2006-06-08 Mike Stump <mrs@apple.com>
6705 * config/darwin.c (darwin_asm_output_anchor): Disable
6706 -fsection-anchors on darwin for now.
6707 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6708 * rs6000/rs6000.c (optimization_options): Likewise.
6710 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6713 * config/i386/i386.c (classify_argument): Skip fields with invalid
6716 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6718 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6719 (cse_insn): Likewise for the stack_pointer_rtx.
6721 2006-06-08 Roger Sayle <roger@eyesopen.com>
6723 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6724 conditions from floating point comparisons.
6726 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6729 * expmed.c (struct alg_hash_entry): Fix type of field T
6730 to match synth_mult argument.
6731 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6733 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6736 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6739 2006-06-08 Richard Guenther <rguenther@suse.de>
6742 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6743 only, if overflow is defined and not trapping.
6744 (negate_expr): Likewise.
6746 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6748 PR tree-optimization/27872
6749 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6750 flag on the new exit edge of the unrolled loop.
6752 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6754 PR rtl-optimization/26449
6755 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6757 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6760 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6761 referenced_variables with matching DECL_UID's.
6762 (find_referenced_vars): Make sure duplicate list is empty to start.
6763 (referenced_var_p): Remove.
6764 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6765 Check if var is in the list, and add if needed. Update the duplicate
6766 list if a different var is in the list with the same DECL_UID.
6767 (add_referenced_var): Call routine to check and insert.
6768 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6769 * tree-flow.h (referenced_vars_dup_list): External declaration.
6771 2006-06-07 Fred Fish <fnf@specifix.com>
6773 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6776 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6779 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6780 the imaginary and real parts of a clobbered register.
6781 Emit insn to set the imaginary part.
6783 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6785 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6786 in lieu of unwind-dw2-fde.c.
6788 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6790 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6792 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6795 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6796 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6797 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6798 V4SImode temporaries and operations instead.
6800 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6802 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6805 2006-06-06 Mike Stump <mrs@apple.com>
6807 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6808 installing during build.
6810 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6812 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6814 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6815 * config/ia64/ia64.c (params.h): New header.
6816 (ia64_optimization_options): New function to adjust parameters.
6817 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6818 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6819 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6821 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6823 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6825 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6828 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6830 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6831 Victor Kaplansky <victork@il.ibm.com>
6833 PR tree-optimization/26360
6834 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6837 2006-06-04 Roger Sayle <roger@eyesopen.com>
6838 Andrew Pinski <pinskia@physics.uc.edu>
6841 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6842 for LABEL_DECL before calling DECL_WEAK.
6845 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6846 LABEL_DECL and PARM_DECL.
6848 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6852 * c-decl.c (grokdeclarator): Disallow variably modified types at
6853 file scope. Avoid marking shared array type of constant size as
6856 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6859 * c-common.c (fold_offsetof_1): Handle static members.
6861 2006-06-04 Eric Christopher <echristo@apple.com>
6863 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6864 (debug_rli): Output value for remaining_in_alignment.
6865 (update_alignment_for_field): Unconditionalize
6866 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6867 extra alignment code.
6868 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6869 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6870 * tree.h (record_layout_info_s): Remove prev_packed.
6871 * doc/extend.texi (ms_struct): Add documentation of format.
6873 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6875 * tree.h: Declare folding_initializer.
6876 * builtins.c (fold_builtin_constant_p): Give definite answer
6877 if folding inside an initializer.
6878 * fold-const.c: Define folding_initializer.
6879 (START_FOLD_INIT): Save and then set folding_initializer.
6880 (END_FOLD_INIT): Restore folding_initializer.
6882 2006-06-04 Richard Guenther <rguenther@suse.de>
6884 PR tree-optimization/27039
6885 * fold-const.c (fold_comparison): Handle pointer comparison
6886 again for all comparison codes. Compare offsets in signed
6888 (fold_binary): Move code from here.
6890 2006-06-03 Roger Sayle <roger@eyesopen.com>
6893 * config/i386/i386.c (construct_container): Split static issued_error
6894 flag into issued_sse_arg_error, issued_sse_ret_error and
6895 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6896 requires the use of x87 registers and the user explicitly
6897 specified the -mno-80387 command line option.
6899 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6901 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6902 HAVE_DECL_SIGALTSTACK.
6904 (segv_handler): Use MC_FLD.
6905 * configure.ac: Check for a sigaltstack declaration.
6906 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6907 * configure: Regenerate.
6908 * config.in: Regenerate.
6910 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6913 * Makefile.in (stmp-fixinc): Fix typo.
6915 2006-06-02 Roger Sayle <roger@eyesopen.com>
6917 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6918 are type correct. Clean-up.
6919 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6920 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6922 2006-06-01 DJ Delorie <dj@redhat.com>
6924 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6925 shift, as we've disabled the "switch" insn that needs it.
6927 2006-06-01 Per Bothner <bothner@bothner.com>
6929 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6930 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6931 * c-ppoutput.c (cb_define): Don't increment line 0.
6933 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6935 * doc/invoke.texi: Add cpu_type power6.
6936 * config.gcc: Add cpu_type power6.
6937 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6938 to power5+ with Altivec.
6939 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6940 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6942 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6944 * config/avr/avr.h (SET_ASM_OP): Define.
6946 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6948 * config/bfin/bfin.c: Fix comment typos.
6950 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6953 * doc/install.texi: Document --enable-bootstrap and
6954 --disable-bootstrap.
6956 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6958 * doc/install.texi: Document that InfoZIP can replace jar.
6960 2006-05-31 Roger Sayle <roger@eyesopen.com>
6962 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6963 isn't available, directly generate the simpler x87 patterns without
6964 the (use (const_int 0)).
6965 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6966 implementation isn't available.
6967 (*negdf2_1): Likewise.
6968 (*negxf2_1): XF mode negation is always done using the x87.
6969 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6971 2006-05-31 Roger Sayle <roger@eyesopen.com>
6973 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6974 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6976 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6978 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6980 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6981 * config/bfin/bfin.c (basic-block.h): Include.
6982 (struct machine_function): New.
6983 (bfin_init_machine_status): New.
6984 (override_options): Initialize init_machine_status.
6985 (bfin_hardware_loop): New.
6986 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6987 (DEF_VEC_P (loop_info)): New.
6988 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6989 (struct loop_info): New.
6990 (loop_info): New typedef.
6991 (struct loop_work): New.
6992 (loop_work): New typedef.
6993 (DEF_VEC_O (loop_work)): New.
6994 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6995 (bfin_dump_loops): New.
6996 (bfin_bb_in_loop): New.
6997 (bfin_scan_loop): New.
6998 (bfin_optimize_loop): New.
6999 (bfin_reorg_loops): New.
7000 (bfin_reorg): Use bfin_reorg_loops.
7001 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7003 (I_REGNO_P): Simplify.
7004 (DP_REGNO_P, DPREG_P): New macros.
7005 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7006 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7007 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7008 Add LT_REGS, LC_REGS, LB_REGS.
7009 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7011 (REGNO_REG_CLASS): Deal with loop registers.
7012 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7014 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7015 New constants for loop registers.
7016 (UNSPEC_LSETUP_END): New.
7017 (seq_insns): New define_attr. Set it for appropriate insns.
7018 (movsi_insn): Add alternatives for move from/to
7019 loop count registers.
7020 (doloop_end): New define_expand.
7021 (loop_end): New define_insn.
7022 (define_split for bad doloop_end): New.
7023 (lsetup_with_autoinit): New define_insn.
7024 (lsetup_without_autoinit): New define_insn.
7025 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7026 * config/bfin/predicates.md (lc_register_operand): New.
7027 (lt_register_operand): New.
7028 (lb_register_operand): New.
7029 (nondp_register_operand): New.
7030 (nondp_reg_or_memory_operand): New.
7031 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7033 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7035 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7036 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7038 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7040 * Makefile.in (CATALOGS): Add po/ prefix.
7041 * configure: Regenerated.
7043 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7046 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7047 a shift operand before calling shift_op. Avoid redundant call of
7050 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7051 DJ Delorie <dj@redhat.com>
7053 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7054 we're inserting is a singlt-bit constant.
7056 2006-05-30 Roger Sayle <roger@eyesopen.com>
7058 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7059 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7061 2006-05-30 Roger Sayle <roger@eyesopen.com>
7063 PR tree-optimization/23452
7064 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7065 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7066 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7067 complex values and with -ffast-math for FP complex values.
7069 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7071 * c-common.h: Remove the prototype for yyparse.
7072 * rtl.h: Remove the prototype for init_loop.
7074 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7076 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7079 2006-05-30 Roger Sayle <roger@eyesopen.com>
7081 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7083 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7084 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7086 2006-05-30 Dirk Mueller <dmueller@suse.de>
7089 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7090 for CONSTANT_CLASS_P expresisons.
7092 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7095 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7097 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7099 PR tree-optimization/27779
7100 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7101 initial_condition instead of CHREC_LEFT.
7103 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7105 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7106 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7107 Make prototypes ISO C90.
7109 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7110 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7112 * see.c (see_analyze_one_def): Correct check.
7113 (see_get_extension_data): Check if extension is parallel.
7114 (see_get_extension_reg): Likewise.
7116 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7119 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7120 into register for (code == GTU).
7122 2006-05-29 Roger Sayle <roger@eyesopen.com>
7124 PR tree-optimization/24964
7125 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7126 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7127 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7128 abs(x)*abs(x) as x*x for scalar floating point modes.
7130 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7133 * lambda-code.c (perfect_nestify): Don't copy statements
7134 in the inner loop: move them to the inner loop header.
7136 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7139 * c-tree.texi: Document OpenMP directives and clauses.
7141 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7143 * varasm.c (globalize_decl): Fix indentation.
7145 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7148 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7149 pass_fre, pass_store_ccp, pass_copy_prop,
7150 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7151 pass_return_slot, pass_object_size, pass_lim,
7152 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7153 pass_loop_prefetch and pass_stdarg.
7155 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7157 * config/bfin/bfin.opt (mfdpic): New option.
7158 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7159 (EXTRA_MULTILIB_PARTS): Likewise.
7160 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7161 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7163 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7164 (CRT_CALL_STATIC_FUNCTION): New.
7165 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7167 (CRT_CALL_STATIC_FUNCTION): New.
7168 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7170 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7171 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7172 (initialize_trampoline): Changed to handle FD-PIC code generation.
7173 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7174 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7175 (override_options): Disallow -mid-shared-library -mfdpic combination.
7176 Can't do unaligned ops if FD-PIC.
7177 Turn off flag_pic if trying to generate non-id-shared-library
7178 non-fdpic code, since it's not supported.
7179 (bfin_assemble_integer): New function.
7180 (TARGET_ASM_INTEGER): Define.
7181 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7183 * config/bfin/crtn.s: Restore them.
7184 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7186 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7187 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7188 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7189 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7190 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7192 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7193 FDPIC_REGS and FDPIC_FPTR_REGS.
7194 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7195 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7196 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7197 (load_funcdescsi): New pattern.
7198 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7199 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7200 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7202 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7204 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7207 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7209 * tree-flow.h: Remove the prototype for add_type_alias.
7210 * tree-ssa-alias.c (add_type_alias): Remove.
7212 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7214 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7215 config/fr30/fr30.md, config/i386/i386-interix.h,
7216 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7217 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7218 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7219 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7220 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7221 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7222 Follow spelling conventions.
7223 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7224 Follow spelling conventions.
7226 2006-05-27 Richard Guenther <rguenther@suse.de>
7229 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7230 to produce a constant of value 1 of generic type.
7232 2006-05-27 Dirk Mueller <dmueller@suse.de>
7234 * cgraphunit.c (decide_is_function_needed): Fix wrong
7237 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7239 PR rtl-optimization/27661
7240 * reload.c (find_reloads): When reloading a VOIDmode constant
7241 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7242 use Pmode as mode of the reload register.
7244 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7246 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7247 is enabled at -O and above.
7249 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7252 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7255 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7258 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7259 for anonymous variables explicitly declared by front ends.
7261 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7263 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7264 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7265 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7266 ref-all pointers, run a finalization pass for them.
7267 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7268 (finalize_ref_all_pointers): New function.
7269 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7270 regular pointer type to a ref-all pointer type.
7271 (get_tmt_for): Return the special memory tag for ref-all pointers.
7273 2006-05-25 Richard Guenther <rguenther@suse.de>
7276 * fold-const.c (fold_binary): Do not look at the stripped
7277 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7279 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7281 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7282 for LT and GT if the computed range is effectively empty.
7284 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7287 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7288 mips_quad_format formats instead of ieee_single_format,
7289 ieee_double_format and ieee_quad_format formats, respectively.
7291 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7293 PR tree-optimization/27639
7294 PR tree-optimization/26719
7295 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7296 call to scev_probably_wraps_p.
7297 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7298 used_in_pointer_arithmetic_p, convert_step): Removed.
7299 (nowrap_type_p): New function.
7300 (scev_probably_wraps_p): Rewritten.
7301 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7302 chrec_convert if chrec_convert_aggressive might have been used.
7303 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7304 scev_direction): New functions.
7305 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7306 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7307 instead of convert_step.
7308 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7309 (convert_step): Declaration removed.
7310 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7312 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7314 * df-core.c: Added to header comments.
7315 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7316 df_ur_bb_info, df_urec_bb_info): Added comments.
7317 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7318 urec, ri problems): Fixed header comments.
7319 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7320 code from df_rd_transfer_function.
7322 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7324 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7325 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7326 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7328 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7330 * expr.c (undefined_operand_subword_p): New.
7331 (emit_move_multi_word): Do not generate move from undefined bits
7332 of a paradoxical subreg.
7334 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7336 PR rtl-optimization/27736
7337 * combine.c (replaced_rhs_value): New variable.
7338 (combine_instructions): Set it.
7339 (distribute_notes): When distributing a note in replaced_rhs_insn,
7340 check whether the value was used in replaced_rhs_value.
7342 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7345 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7346 add_referenced_var instead of add_referenced_tmp_var.
7347 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7348 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7350 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7351 tree_optimize_tail_calls_1): Use add_referenced_var.
7352 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7353 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7354 Use add_referenced_var.
7355 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7356 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7357 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7358 Use add_referenced_var.
7359 * tree-dfa.c (struct walk_state): Remove.
7360 (find_referenced_vars): Remove walk state and vars_found hash table.
7361 (make_rename_temp): Use add_referenced_var.
7362 (find_vars_r): Pass less parameters to add_referenced_var.
7363 (referenced_var_p): New. Is var in referenced_var hash table.
7364 (referenced_var_insert): Assert var isn't already in hash table.
7365 (add_referenced_var): Don't need walk_state parameter. Add var if it
7366 isn't already in the hash table.
7367 (add_referenced_tmp_var): Remove.
7368 (find_new_referenced_vars_1): Use add_referenced_var.
7369 * tree-ssa-pre.c (create_expression_by_pieces,
7370 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7371 Use add_referenced_var.
7372 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7373 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7374 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7376 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7377 vect_create_data_ref_ptr, vect_create_destination_var,
7378 vect_init_vector, vect_build_loop_niters,
7379 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7380 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7381 Use add_referenced_var.
7382 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7383 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7384 (add_referenced_var): Add prototype.
7385 * tree-ssa-structalias.c (get_constraint_for,
7386 intra_create_variable_infos): Use add_referenced_var.
7388 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7390 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7391 big-endian paradoxical subregs.
7392 * var-tracking.c (struct micro_operation_def): Document that,
7393 for modify micro operations, insn is the subsequent instruction.
7394 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7395 (var_reg_set, var_mem_set): ... new functions.
7396 (add_stores): Record subsequent insn.
7397 (compute_bb_dataflow): Use new functions for MO_USE.
7398 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7399 notes after the insn, and modify notes before the insn known
7400 to be the subsequent one.
7401 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7403 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7406 * config/i386/i386.c (ix86_expand_builtin): Use
7407 gen_sse3_monitor64 for TARGET_64BIT.
7409 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7411 PR rtl-optimization/26375
7412 PR rtl-optimization/26855
7413 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7415 (df_ru_bb_local_compute): Reversed statements and removed bogus
7416 comment explaining why they should be in wrong order.
7417 (df_ru_dump, df_rd_dump): Enhanced debug info.
7418 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7420 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7421 reaching uses and fixed space problem.
7423 2006-05-23 Jan Hubicka <jh@suse.cz>
7425 * cgraphunit.c (decide_is_function_needed): Also nested functions
7426 and functions declared inline can be optimized out at -O0.
7428 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7430 * doc/install.texi (Configuration): Remove reference to CrossGCC
7434 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7437 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7438 ix86_compare_emitted is non-NULL.
7440 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7443 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7446 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7448 PR rtl-optimization/25514
7449 * combine.c (replaced_rhs_insn): New variable.
7450 (combine_instructions): Set replaced_rhs_insn when trying to replace
7451 a SET_SRC with a REG_EQUAL note.
7452 (distribute_notes): Use replaced_rhs_insn when determining the live
7453 range of a REG_DEAD register.
7455 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7456 Anatoly Sokolov <aesok@post.ru>
7458 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7459 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7460 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7461 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7462 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7463 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7464 at90usb647, at90usb1286 and at90usb1287 devices.
7465 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7466 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7468 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7470 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7472 2006-05-22 Richard Guenther <rguenther@suse.de>
7475 2006-01-31 Richard Guenther <rguenther@suse.de>
7476 Paolo Bonzini <bonzini@gnu.org>
7478 * doc/install.texi (--disable-libgcc-math): Document.
7480 2006-05-22 Richard Guenther <rguenther@suse.de>
7483 2006-01-31 Richard Guenther <rguenther@suse.de>
7485 * doc/invoke.texi (-msselibm): Document.
7486 * target.h (expand_library_builtin): New target hook.
7487 * builtins.c (expand_builtin): Use expand_library_builtin.
7488 (default_expand_library_builtin): New function.
7489 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7490 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7491 (link_gcc_math_spec): Declare.
7492 (static_specs): Add link_gcc_math_spec.
7493 * expr.h (default_expand_library_builtin): Declare.
7494 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7495 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7496 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7497 * config/i386/i386.opt (msselibm): New target option.
7498 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7499 (ix86_init_sse_abi_builtins): New function.
7500 (ix86_expand_library_builtin): Likewise.
7501 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7502 (override_options): Handle error conditions wrt -msselibm.
7503 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7504 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7505 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7508 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7511 * c-common.c (self_promoting_args_p): Skip erroneous args.
7514 * c-decl.c (finish_struct): Skip erroneous fields.
7516 2006-05-22 Nick Clifton <nickc@redhat.com>
7518 * config/cris/cris.opt (march): Remove VarExists attribute.
7519 (max-stackframe=): Likewise.
7521 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7523 * doc/rtl.texi: Fix a typo.
7524 * see.c: Fix comment typos.
7526 * tree-ssa-structalias.h (alias_info): Remove num_references.
7528 2006-05-21 Mike Stump <mrs@apple.com>
7530 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7532 (darwin_pragma_options): Use BAD instead.
7533 (darwin_pragma_unused): Likewise.
7534 (darwin_pragma_ms_struct): Likewise.
7536 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7538 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7540 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7542 PR rtl-optimization/27671
7543 * simplify-rtx.c (simplify_relational_operation_1): Fix
7544 simplifications of (eq/ne (xor x y) y) and
7545 (eq/ne (xor x y) x).
7547 PR tree-optimization/26622.
7548 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7551 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7553 * tree-cfg.c: Prune whitespace.
7554 (debug_tree_cfg): Point to correct header containing the
7557 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7560 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7562 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7565 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7566 or sorry count is non zero.
7568 2006-05-20 Andreas Schwab <schwab@suse.de>
7570 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7572 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7573 Kenneth Zadeck <zadeck@naturalbridge.com>
7575 PR rtl-optimization/26855
7577 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7579 (df_scan_alloc): Added code to properly handle multiword hard
7580 registers and add all_blocks parameter.
7581 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7582 code to properly handle multiword hard registers.
7583 (df_rescan_blocks): Added code to remove deleted blocks from
7585 (df_ref_create_structure, df_ref_record): Added code to properly
7587 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7588 and set DF_REF_PARTIAL.
7589 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7590 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7591 (df_scan_add_problem): Added flags parameter.
7592 (df_ref_create_structure): Changed switching structure.
7593 (df_bb_refs_record): Fixed case where duplicate artificial refs
7594 were created. Changed location of flags.
7595 (df_record_entry_block_defs): Added code to make stack pointer
7596 live in entry block. Refined cases where frame pointer is needed.
7597 Changed location of flags.
7598 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7599 (df_set_state): Removed function.
7600 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7601 df_insn_create_insn_record, df_insn_refs_delete,
7602 df_ref_create_structure): Formatting changes.
7603 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7604 df_delete_basic_block): New function.
7605 (df_init): Changed location of flags.
7606 (df_add_problem): Added flags parameter and the way flags are
7608 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7609 debug_df_chain): Improved debugging output.
7610 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7611 (df_refs_chain_dump): Removed df parameter.
7612 (df_iterative_dataflow): Added consistency check.
7613 (df_prune_to_subcfg): Made public.
7614 (df_analyze_problem): Added blocks_to_init parameter and made
7616 (df_ref_record, df_bb_refs_record, df_mark_reg,
7617 df_record_exit_block_uses): Whitespace changes.
7618 (df_dump): Whitespace changes.
7619 * df.h: Some reordering to remove forward references.
7620 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7621 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7622 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7623 (dataflow.flags): New field.
7624 (df.flag): Deleted field.
7625 (df_alloc_function): Added additional bitmap parameter.
7626 (df_dependent_problem_function): New type.
7627 (df_problem.changeable_flags): New field.
7628 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7629 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7630 (df_mw_hardreg): New struct.
7631 (DF_INSN_UID_MWS): New macro.
7632 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7634 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7635 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7636 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7637 (df_set_state): Removed function.
7638 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7639 * df-problems.c (df_chain_dump): Removed df parameter.
7640 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7641 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7643 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7644 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7645 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7646 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7647 DF_REF_MUST_CLOBBER cases.
7648 (df_ru_bb_local_compute_process_def,
7649 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7650 df_lr_bb_local_compute, df_ur_bb_local_compute,
7651 df_chain_create_bb): Made subreg aware.
7652 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7653 df_lr_bb_local_compute, df_lr_bb_local_compute,
7654 df_chain_create_bb): Cleanup to use proper macros.
7655 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7656 code to fixup bitvectors.
7657 (df_ri_alloc): Cleared lifetime.
7658 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7659 df_create_unused_note): New function.
7660 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7661 REG_DEAD and REG_UNUSED notes as well as register information.
7662 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7663 df_chains_dump): Fixed crash if problem was never run.
7664 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7665 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7666 df_ri_add_problem): Processes flags in uniform manner.
7667 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7668 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7669 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7670 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7671 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7672 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7673 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7674 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7675 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7676 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7677 * see.c (see_initialize_data): Ditto.
7678 * final.c (rest_of_clean_state) Added regstack_completed.
7679 * rtl.h (regstack_completed): Ditto.
7680 * reg-stack.c (regstack_completed): Ditto.
7682 2006-05-19 Mike Stump <mrs@apple.com>
7684 * c-tree.h (default_conversion): Remove.
7685 * c-common.h (default_conversion): Add.
7687 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7689 * tree-vrp.c (valid_value_p): New function.
7690 (adjust_range_with_scev): Fail if the value of bound is not
7693 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7695 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7696 (mips_fallback_frame_state): Use syscall numbers to determine
7697 the appropriate li instruction for the current ABI. Only use
7698 __NR_sigreturn for o32.
7700 2006-05-19 Nicolas Setton <setton@adacore.com>
7702 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7703 * langhooks.c (lhd_dwarf_name): New function.
7704 * langhooks-def.h (lhd_dwarf_name): Declare.
7705 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7706 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7707 * ada/misc.c (gnat_dwarf_name): New function.
7708 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7710 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7712 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7714 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7715 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7716 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7717 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7718 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7719 determine the size of Wtype, etc.
7720 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7721 (swfloatfuncs): New variable.
7722 (dwfloatfuncs): Likewise.
7723 (lib2funcs): Remove floating-point conversion functions from
7724 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7725 the set of conversion routines needed. Allow entries to specify
7726 an object name, filename and word size. Update users accordingly.
7727 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7728 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7732 2006-02-08 Roger Sayle <roger@eyesopen.com>
7735 * config/fixtfdi.c: New libgcc source file.
7736 * config/fixunstfdi.c: New source file.
7737 * config/floatditf.c: New source file.
7738 * config/floatunditf.c: New souce file.
7739 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7740 files above instead of config/mips/_tilib.c.
7741 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7743 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7745 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7746 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7748 2006-05-18 Mike Stump <mrs@apple.com>
7750 Fix up vla, vm and [*] sematics.
7756 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7757 (c_vla_unspec_p): Add.
7758 (c_vla_type_p): Add.
7759 * c-decl.c (struct c_scope): Add had_vla_unspec.
7760 (build_array_declarator): Add support for [*].
7761 (grokdeclarator): Likewise.
7762 (grokparms): Likewise.
7763 (get_parm_info): Likewise.
7764 * c-objc-common.c (c_vla_unspec_p): Likewise.
7765 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7766 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7767 typeof when argument is a variably modified type not inside sizeof or alignof.
7768 (c_parser_direct_declarator_inner): Propagate errors.
7769 (c_parser_sizeof_expression): Add support for [*].
7770 (c_parser_parms_declarator): Initialize had_vla_unspec.
7771 (c_parser_parms_list_declarator): Likewise.
7772 * c-typeck.c (c_vla_type_p): Add.
7773 (composite_type): Add support for vla compositing.
7774 (comptypes_internal): Add support for vla compatibility.
7775 (c_expr_sizeof_expr): Evaluate vla arguments.
7776 * tree.c (variably_modified_type_p): Update comment for [*].
7778 2006-05-18 Michael Matz <matz@suse.de>
7781 * config.host: Make assignments to host_xmake_file cumulative.
7782 * config.host (*-darwin*): Test $host, not $target.
7784 2006-05-12 Stuart Hastings <stuart@apple.com>
7786 * config/i386/i386.opt (-mstackrealign): New flag.
7787 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7788 (ix86_handle_cconv_attribute): Emit error when
7789 force_align_arg_pointer attribute collides with too many regparms.
7790 (ix86_function_regparm): Limit regparms when used with
7791 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7792 Support stack-realigning prologue in non-main functions. Emit
7793 warning for nested functions under -mstackrealign, emit error for
7794 nested functions with force_align_arg_pointer attribute.
7795 * doc/extend.texi (force_align_arg_pointer): Document it.
7796 * doc/invoke.texi (-mstackrealign): Document it.
7798 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7800 PR rtl-optimization/27477
7801 * combine.c (try_combine): Don't split a parallel consisting
7802 of two sets into two individual sets if both sets reference
7805 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7807 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7808 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7810 * doc/options.texi (VarExists): Updated.
7812 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7814 * unwind-dw2.c: Add declarations for uw_update_context and
7816 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7817 detected, advance frame state and context once to skip over stub.
7819 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7823 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7824 Call rewrite_into_loop_closed_ssa only when something changed.
7825 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7826 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7827 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7828 Test for perfect_nest_p here. Fix formating.
7829 (replace_uses_equiv_to_x_with_y): Fix formating.
7830 (stmt_uses_op): Removed.
7831 (can_convert_to_perfect_nest): Removed loopivs parameter.
7832 Complete the test by checking the scalar dependences.
7833 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7836 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7839 From Dan Kegel <dank@kegel.com>:
7840 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7842 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7844 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7845 if the element type is variably modified without recursing.
7847 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7850 * tree-loop-linear.c (try_interchange_loops): Test for
7851 no data dependences.
7853 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7855 PR tree-optimization/27548
7856 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7857 range of ssa names that appear on abnormal edges.
7858 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7859 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7861 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7864 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7866 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7869 * tree.h (OMP_PARALLEL_COMBINED): Define.
7870 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7871 (new_omp_context): Add is_combined_parallel argument.
7872 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7873 new_omp_context caller.
7874 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7875 Adjust gimplify_scan_omp_clauses callers.
7876 (omp_is_private): Issue errors if iteration variable is firstprivate
7877 or reduction in the current context.
7878 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7879 on combined parallel workshare constructs.
7881 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7883 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7884 (gcc-options.o): New rule.
7886 * optc-gen.awk: Protect variables for gcc-options.o with
7887 #ifdef GCC_DRIVER/#endif.
7889 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7891 Fix PR tree-optimization/27373
7892 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7893 (forward_propagate_addr_expr): Update call.
7895 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7897 * doc/options.texi: Move the Negative option.
7899 2006-05-16 Richard Guenther <rguenther@suse.de>
7901 PR tree-optimization/22303
7902 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7904 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7905 ccp_fold did not simplify the statement.
7907 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7910 * Makefile.in (GCC_OBJS): New.
7911 (OBJS-common): Add opts-common.o.
7912 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7913 (cpp$(exeext)): Likewise.
7914 (gcc.o): Also depend on opts.h.
7915 (opts-common.o): New.
7917 * common.opt (gcoff): Add Negative(gdwarf-2).
7918 (gdwarf-2): Add Negative(gstabs).
7919 (gstabs): Add Negative(gstabs+).
7920 (gstabs+): Add Negative(gvms).
7921 (gvms): Add Negative(gxcoff).
7922 (gxcoff): Add Negative(gxcoff+).
7923 (gxcoff+): Add Negative(gcoff).
7924 * config/i386/i386.opt (m32): Add Negative(m64).
7925 (m64): Add Negative(m32).
7927 * doc/options.texi: Document the Negative option.
7929 * gcc.c: Include "opts.h".
7930 (main): Call prune_options after expandargv.
7932 * optc-gen.awk: Generate common declarations for all flag
7933 variables in options.c. Output the neg_index field.
7935 * opts.c (find_opt): Moved to ...
7936 * opts-common.c: Here. New file.
7938 * opts.h (cl_option): Add a neg_index field.
7940 (prune_options): Likewise.
7942 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7945 * omp-low.c (expand_omp_parallel): Don't assert
7946 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7947 instead search for it.
7950 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7953 2006-05-16 Andreas Schwab <schwab@suse.de>
7955 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7958 2006-05-15 Roger Sayle <roger@eyesopen.com>
7961 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7962 integer constants other than zero are only legitimate on TARGET_64BIT.
7963 <CONST_VECTOR> Only zero vectors are legitimate.
7964 (ix86_cannot_force_const_mem): Integral and vector constants can
7965 always be put in the constant pool.
7967 2006-05-16 DJ Delorie <dj@redhat.com>
7969 * crtstuff.c (__dso_handle): Set section from
7970 TARGET_LBIGCC_SDATA_SECTION if defined.
7971 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7972 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7974 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7977 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7980 2006-05-16 Ben Elliston <bje@au.ibm.com>
7982 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7984 2006-05-15 Per Bothner <per@bothner.com>
7986 * tree.c: (last_annotated_node): Use source_locus typedef.
7987 This permits bootstrapping with --enable-mapped-location.
7989 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7991 PR tree-optimization/26830
7992 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7993 (info_for_ssa_name, current_info_for_ssa_name_age,
7994 blocks_to_update): New variables.
7995 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7996 (clear_ssa_name_info, initialize_flags_in_bb,
7997 mark_block_for_update): New functions.
7998 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7999 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8000 prepare_def_site_for): Use mark_block_for_update.
8001 (mark_def_interesting): Assert that the processed block is marked in
8002 blocks_to_update. Do not take blocks argument.
8003 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8005 (rewrite_update_init_block, rewrite_update_stmt): Only process
8006 blocks with statements to rewrite.
8007 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8008 (update_ssa): Initialize and free blocks_to_update. Do not
8009 clear flags on statements. Do not use blocks bitmap.
8010 * tree.h (SSA_NAME_AUX): Removed.
8011 (struct tree_ssa_name): Removed aux field.
8012 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8014 2006-05-15 Richard Guenther <rguenther@suse.de>
8016 PR tree-optimization/27603
8017 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8018 Do computations in original type.
8020 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8022 * see.c: Code style changes such as redundant paranthesis,
8023 redundant intialization of local variables etc.
8024 (see_main): Declared now as static.
8025 * doc/invoke.texi: Update that -fsee is not enabled by
8028 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8030 * omp-low.c (check_omp_nesting_restrictions): New function.
8031 (scan_omp_1): Call it.
8034 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8035 construct, return *VAR.
8037 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8039 PR rtl-optimization/27406
8040 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8043 2006-05-14 Roger Sayle <roger@eyesopen.com>
8045 PR rtl-optimization/27538
8046 * combine.c (expand_compound_operation): Call gen_lowpart
8047 before calling simplify_shift_const.
8049 2006-05-14 Roger Sayle <roger@eyesopen.com>
8051 PR rtl-optimization/22563
8052 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8053 a fixed width bitfield, always force the intermediates into psuedos.
8055 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8058 * mkconfig.sh: Use operator = instead of == for test.
8060 2006-05-13 Nick Clifton <nickc@redhat.com>
8062 * dwarf2out.c (dbx_reg_number): Check return value from
8063 LEAF_REG_REMAP and only use it if it is valid.
8064 (multiple_reg_loc_descriptor): Likewise.
8066 2006-05-13 Richard Guenther <rguenther@suse.de>
8068 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8071 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8073 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8074 information attached to non-INSNs such as NOTEs.
8075 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8077 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8079 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8081 * config/s390/s390.md: Adjust comment describing On constraint.
8083 2006-05-11 Jan Hubicka <jh@suse.cz>
8085 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8086 to be output at -O0.
8088 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8091 * fold-const.c (size_binop): Move sanity check for arguments to
8092 the beginning of the function.
8095 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8098 2006-05-11 Richard Guenther <rguenther@suse.de>
8101 * fold-const.c (fold_unary): Handle intermediate conversion
8102 to a pointer type like intermediate conversion to an integer
8103 type in folding of (T1)(T2)var to var.
8104 Match the code to the comment in the final conversion for
8105 (T1)(T2)var to (T1)var regarding to type precision. Rather
8106 than disallow T1 being of pointer type, assert that both T1
8107 and var are of pointer type or not. Make sure not to fall
8108 over the frontends lazyness wrt array to pointer decay though.
8110 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8112 * arm.c (arm_struct_value_rtx): Delete.
8113 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8114 (arm_init_cumulative_args): Always initialize nregs to zero.
8116 2006-05-10 Richard Guenther <rguenther@suse.de>
8118 PR tree-optimization/27532
8119 * tree-object-size.c (plus_expr_object_size): Fix typo.
8121 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8124 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8125 ashrdi_const, ashrdi3): Use a scratch register.
8127 2006-05-10 Richard Guenther <rguenther@suse.de>
8129 PR tree-optimization/27302
8130 * fold-const.c (operand_equal_p): For two comparisons,
8131 try comparison of one comparison code swapped if that yields
8134 2006-05-10 Ben Elliston <bje@au.ibm.com>
8136 * tree-pretty-print.c (pretty_print_string): No need to handle
8137 '\0' as a special character.
8139 * tree.h: Include "hashtab.h".
8140 (iterative_hash_expr): Use hashval_t in its prototype.
8141 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8143 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8146 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8147 (hppa*64*-*-hpux11*): Ditto.
8148 (hppa[12]*-*-hpux11*): Ditto.
8150 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8153 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8155 2006-05-09 Michael Matz <matz@suse.de>
8157 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8158 host_extra_gcc_objs and host_xmake_file.
8159 (<*-*-linux*>): Don't overwrite host_xmake_file.
8160 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8161 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8162 (host_detect_local_cpu): Declare.
8163 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8164 * config/i386/i386.c (override_options): Handle -mtune=native
8166 * config/i386/x-i386: New file.
8167 * config/i386/driver-i386.c: New file.
8168 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8171 2006-05-09 Dirk Mueller <dmueller@suse.de>
8172 Richard Guenther <rguenther@suse.de>
8175 * fold-const.c (fold_read_from_constant_string): Relax check
8176 for matching types to matching modes.
8178 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8180 PR rtl-optimization/27335
8181 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8184 2006-05-08 Chao-ying Fu <fu@mips.com>
8185 Richard Sandiford <richard@codesourcery.com>
8187 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8188 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8189 * config/mips/mips.md (UNSPEC_SCC): New constant.
8190 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8191 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8192 (mips_emit_compare): Use it.
8193 (mips_expand_vcondv2sf): New function.
8195 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8197 Fix PR tree-optimization/27093
8198 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8199 renaming when they become not-used_alone.
8201 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8203 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8204 relocation and relocation stubs.
8206 2006-05-08 Eric Christopher <echristo@apple.com>
8208 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8211 2006-05-08 Jan Hubicka <jh@suse.cz>
8214 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8215 unused static functions are needed.
8217 2006-05-08 Roger Sayle <roger@eyesopen.com>
8220 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8221 of a reg_equiv_constant if the result is a legitimate constant.
8223 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8226 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8227 standard 80387 constants, raise the cost to prevent
8228 compress_float_constant() to generate load from memory.
8230 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8232 * config/arm/constraints.md (c): Fix a typo.
8234 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8237 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8240 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8242 (_mm_mwait): Likewise.
8244 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8246 (sse3_monitor): Make it 32bit only.
8247 (sse3_monitor64): New. 64bit monitor.
8249 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8252 * config/i386/i386.c (classify_argument): Skip fields with invalid
8255 2006-05-07 Richard Guenther <rguenther@suse.de>
8257 PR tree-optimization/27409
8258 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8259 Do not try to find zero-sized subvars.
8261 2006-05-07 Richard Guenther <rguenther@suse.de>
8263 PR tree-optimization/27136
8264 * tree-ssa-loop-niter.c (get_val_for): Correct function
8265 comment, assert requirements.
8266 (loop_niter_by_eval): Stop processing if the iterated
8267 value did not simplify.
8269 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8271 * opts.c (flag_see): remove its setting at -O3.
8273 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8275 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8276 * arm/constraints.md: New file.
8277 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8278 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8279 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8280 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8281 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8282 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8283 * arm.md: Include constraints.md.
8284 (thumb_movsi_insn): Use satisfies_constraint_J.
8285 (movhi, movqi): Use satisfies_constraint_I.
8287 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8289 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8290 for atmeg a645 device.
8292 2006-05-06 Richard Guenther <rguenther@suse.de>
8294 PR tree-optimization/27151
8295 * tree-vect-transform.c (vectorizable_condition): Punt on
8296 values that have a different type than the condition.
8298 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8301 * c-parser.c (c_parser_cast_expression): Only insert casts into
8302 hash table if pointer.
8303 * function.c (used_types_insert_helper): Rename from
8305 (used_types_insert): Call used_types_insert_helper.
8306 * function.h (used_types_insert): Accept only one argument.
8308 2006-05-05 David Edelsohn <edesohn@gnu.org>
8310 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8311 scratch with output modifier.
8313 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8316 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8317 with output modifier.
8319 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8322 * config/mips/mips.c (mips_symbolic_address_p): Return true
8323 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8324 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8326 2006-05-04 Richard Guenther <rguenther@suse.de>
8328 PR tree-optimization/14287
8329 PR tree-optimization/14844
8330 PR tree-optimization/19792
8331 PR tree-optimization/21608
8332 PR tree-optimization/27090
8333 * tree-ssa-pre.c (try_combine_conversion): New function.
8334 (compute_avail): After constructing the value-handle
8335 expression, use try_combine_conversion to combine NOP_EXPRs
8336 with previous value-handle expressions and use the result if it
8339 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8341 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8343 2006-05-04 Jan Hubicka <jh@suse.cz>
8346 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8348 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8350 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8351 that this only matches CONST_INTs. All users changed to VOIDmode
8354 * config/bfin/bfin.c: Include "optabs.h".
8355 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8357 (enum bfin_builtins): Add a number of fractional and vector builtins.
8358 (bfin_init_builtins): Likewise.
8359 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8360 (safe_vector_operand, bfin_expand_binop_builtin,
8361 bfin_expand_unop_builtin): New functions.
8362 (bfin_expand_builtin): Handle the new builtins.
8363 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8366 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8369 * Makefile.in (OBJS-common): Add see.o.
8370 (see.o): Add dependencies.
8371 * common.opt (fsee): New flag for the see optimization was added.
8372 * opts.c (flag_see): Initialized.
8373 * passes.c (init_optimization_passes, pass_see): New pass.
8374 * rtl.h (see_main): Declaration as extern.
8375 * timevar.def (TV_SEE): New.
8376 * tree-pass.h (pass_see): Declaration as extern.
8377 * invoke.texi (-fsee): Document.
8378 * recog.c (validate_simplify_insn): New function.
8379 * recog.h (validate_simplify_insn): Declaration as extern.
8380 * df-problems.c (df_chain_dump): Check for NULL.
8382 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8383 Daniel Berlin <dberlin@dberlin.org>
8385 * cfgrtl.c (insert_insn_bb_end_new): New function.
8386 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8388 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8390 * df.h (struct web_entry): Moved from web.c.
8391 (union_defs): Declaration as extern.
8392 (unionfind_root): Likewise.
8393 (unionfind_union): Likewise.
8394 * web.c (struct web_entry): Moved to df.h.
8395 (unionfind_root): Remove static declaration.
8396 (unionfind_union): Likewise.
8397 (union_defs): Likewise and generalize to use callback function.
8398 (web_main): Update arguments for union_defs function call.
8400 2006-05-04 Richard Guenther <rguenther@suse.de>
8402 PR tree-optimization/26447
8403 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8404 produce SSA_NAME copies before the store stmt to avoid
8405 breaking exception handling.
8407 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8410 * gimplify.c (omp_is_private): If var is shared in some outer context,
8411 return false instead of true. Stop searching on parallel context
8414 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8417 * coverage.c: Use get_gcov_unsigned_t() instead of
8418 unsigned_type_node all over.
8420 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8422 PR tree-optimization/27381
8423 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8424 maintain the same immediate_use links.
8425 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8426 node rather than segfaulting.
8428 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8431 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8432 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8433 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8435 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8437 Fix PR tree-optimization/26626
8438 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8440 * tree-ssa-operands.c (access_can_touch_variable): Allow
8441 typecasting through union pointers.
8443 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8446 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8447 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8448 to find if var will be a global variable even in the nested context.
8449 (omp_copy_decl): Only check for global variable at the end, it might
8450 be overridden in outer contexts.
8451 (scan_sharing_clauses): For global variables don't create a field.
8452 (lower_rec_input_clauses): Do nothing for global shared variables.
8453 Emit a barrier at the end of ILIST if there were any decls in both
8454 firstprivate and lastprivate clauses.
8455 (lower_send_clauses): Do nothing for global variables except for
8458 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8460 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8461 of the correct signedness is returned.
8463 2006-05-02 Jeff Law <law@redhat.com>
8465 PR tree-optimization/27364
8466 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8467 multiply expressions.
8469 2006-05-02 Tom Tromey <tromey@redhat.com>
8471 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8473 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8476 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8477 -mthumb -fPIC are used.
8479 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8480 Joshua Kinard <kumba@gentoo.org>
8483 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8484 with 64-bit pointers.
8486 2006-05-02 Paul Brook <paul@codesourcery.com>
8488 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8490 (create_fix_barrier): Check that a suitable barrier location is
8492 (arm_reorg): Include ftmp->address in allowable range of addresses.
8494 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8497 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8500 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8503 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8504 around RESULT_DECL for result passed by reference.
8505 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8506 * omp-low.c (use_pointer_for_field): Don't look at
8507 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8508 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8509 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8510 time or var for passing by reference for
8511 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8512 TREE_ADDRESSABLE variables when passing by reference.
8514 * omp-low.c (dump_omp_region): Fix output formatting.
8517 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8518 (expand_omp_parallel): Likewise.
8519 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8522 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8523 on statement list containing also constructors and destructors.
8524 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8527 * except.c (duplicate_eh_regions): Fix clearing of
8528 cfun->eh->region_array entries.
8530 2006-05-01 DJ Delorie <dj@redhat.com>
8532 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8534 (gcc_cv_objdump): Likewise.
8535 * configure: Regenerated.
8537 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8540 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8541 templates for case 3 and 4.
8543 2006-05-01 DJ Delorie <dj@redhat.com>
8545 * vec.c: Include bconfig.h when appropriate.
8546 * Makefile.in (build/vec.o): Adjust dependencies.
8547 * mkconfig.sh: Make sure config.h isn't used for build machine
8550 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8552 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8554 (mark_phi_for_rewrite): New function.
8555 (insert_phi_nodes_for, mark_use_interesting): Call
8556 mark_phi_for_rewrite.
8557 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8558 (update_ssa): Initialize and free phis_to_rewrite.
8560 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8562 PR rtl-optimization/27291
8563 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8564 folded to a constant.
8566 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8568 PR tree-optimization/27283
8569 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8570 not whole # of iteration descriptions.
8571 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8572 uses abnormal ssa name.
8573 (niter_for_single_dom_exit): Ditto.
8574 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8575 return just the number of iterations.
8577 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8579 PR tree-optimization/27144
8580 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8581 (record_estimate): Only record constant upper bound.
8582 (infer_loop_bounds_from_undefined): Call
8583 compute_estimated_nb_iterations just once.
8584 (proved_non_wrapping_p): Renamed to ...
8585 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8586 (convert_step_widening, scev_probably_wraps_p): Call
8587 n_of_executions_at_most instead of proved_non_wrapping_p.
8588 (substitute_in_loop_info): Do not replace values in bounds.
8589 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8592 2006-05-01 Richard Henderson <rth@redhat.com>
8595 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8596 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8599 2006-05-01 Roger Sayle <roger@eyesopen.com>
8601 * c-typeck.c (parser_build_binary_op): Don't call the function
8602 unsigned_conversion_warning to spot operand/result type overflow.
8603 (build_binary_op): Instead, call convert_and_check instead of
8604 convert to report the problem when the operands are promoted.
8605 * c-common.c (unsigned_conversion_warning): Make static.
8606 * c-common.h (unsigned_conversion_warning): Delete prototype.
8608 2006-05-01 Richard Guenther <rguenther@suse.de>
8610 PR tree-optimization/26726
8611 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8613 (find_interesting_uses_address): ... we work around here
8614 by folding INDIRECT_REFs in the substituted base.
8616 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8618 * omp-low.c (dump_omp_region): Add newlines.
8620 2006-04-30 Roger Sayle <roger@eyesopen.com>
8622 * common.opt (Woverflow): New command line option.
8623 * c-common.c (constant_expression_warning): Check warn_overflow.
8624 (overflow_waring): Pass OPT_Woverflow to warning.
8625 (unsigned_conversion_warning): Likewise.
8626 (convert_and_check): Likewise.
8627 * doc/invoke.texi: Document new command line option.
8629 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8631 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8632 TARGET_NO_FP_IN_TOC for section anchors.
8633 (optimization_options): Enable section anchors for all
8634 non-"Objective" languages.
8636 2006-04-28 Eric Christopher <echristo@apple.com>
8638 * config/darwin-c.c (darwin_ms_struct): Move this
8639 (darwin_set_default_type_attributes): and this...
8640 * config/darwin.c: ... here.
8641 * config/darwin.h (darwin_ms_struct): Declare.
8643 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8647 2006-04-28 Roger Sayle <roger@eyesopen.com>
8650 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8651 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8652 an unsigned HOST_WIDE_INT.
8653 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8655 (really_start_incremental_init): No need to call convert because
8656 bitsize_zero_node is already of type bitsizetype.
8657 (push_init_level): Extract the value of constructor_index as an
8658 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8659 (process_init_element): Likewise.
8661 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8663 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8664 value before passing to make_relative_prefix.
8666 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8669 * builtins.c (expand_builtin_memset): Expand val in original mode.
8671 2006-04-27 Eric Christopher <echristo@apple.com>
8673 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8674 with #ifndef/#endif.
8675 * config/darwin-c.c (darwin_ms_struct): New.
8676 (darwin_pragma_ms_struct): Ditto.
8677 (darwin_set_default_type_attributes): Ditto.
8678 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8679 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8680 Register ms_struct pragma.
8681 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8682 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8683 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8684 darwin_set_default_type_attributes if TARGET_MACHO.
8686 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8688 PR tree-optimization/26854
8689 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8690 * doc/tree-ssa.texi: Update immuse iterator documentation.
8691 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8692 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8693 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8694 first_safe_imm_use, next_safe_imm_use): Remove.
8695 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8696 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8697 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8698 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8699 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8700 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8701 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8702 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8703 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8704 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8705 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8706 (perfect_nestify): Use new iterator.
8707 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8709 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8710 (next_imm_name): New field in struct immediate_use_iterator_d.
8711 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8712 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8713 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8714 * tree-cfg.c (replace_uses_by): Use new iterator.
8715 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8716 * tree-ssa-operands.c (correct_use_link): Remove.
8717 (finalize_ssa_use_ops): No longer call correct_use_link.
8719 2006-04-27 Stuart Hastings <stuart@apple.com>
8721 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8722 * config/t-darwin (crt3.o): Use it.
8723 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8724 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8725 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8726 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8727 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8730 2006-04-27 Roger Sayle <roger@eyesopen.com>
8732 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8733 size, force the intermediate into a new pseudo rather instead of
8734 performing both a bitwise AND and a bitwise IOR in memory.
8736 2006-04-27 Richard Guenther <rguenther@suse.de>
8738 PR rtl-optimization/26685
8739 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8740 this one "max-flow-memory-locations".
8742 2006-04-27 Richard Guenther <rguenther@suse.de>
8744 PR tree-optimization/25148
8745 * tree-vrp.c (compare_values): Remove code dealing with
8746 comparisons against type min/max value. Honour overflow
8747 and negative constants in code dealing with comparisons
8748 of plus and minus expressions.
8749 (value_inside_range): Use fold_binary with LE_EXPR and
8750 GE_EXPR rather than compare_values.
8752 2006-04-27 Dirk Mueller <dmueller@suse.de>
8754 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8757 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8759 * basic-block.h (safe_insert_insn_on_edge): Removed.
8760 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8762 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8763 Paolo Bonzini <bonzini@gnu.org>
8766 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8767 (simplify_and_const_int): Same.
8769 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8771 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8773 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8776 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8777 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8778 cgraph_global_info_ready.
8781 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8784 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8785 either decl or init is error_mark_node.
8788 * tree-flow.h (struct omp_region): Add sched_kind.
8789 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8790 instead of extracting omp for data.
8791 (expand_omp_for): Save extracted sched_kind.
8793 2006-04-25 Roger Sayle <roger@eyesopen.com>
8795 * expmed.c (store_bit_field): Also check whether the bitsize is
8796 valid for the machine's "insv" instruction before moving the
8797 target into a pseudo for use with the insv.
8798 * config/i386/predicates.md (const8_operand): New predicate.
8799 * config/i386/i386.md (extv, extzv, insv): Use the new
8800 const8_operand predicate where appropriate.
8802 2006-04-25 DJ Delorie <dj@redhat.com>
8804 * doc/install.texi (Specific): Clarify that this is not a list of
8805 supported hosts or targets.
8807 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8809 PR rtl-optimization/26725
8810 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8811 block's BB_DIRTY flag.
8813 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8815 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8818 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8819 to print an integer.
8821 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8823 * varasm.c (align_variable): New function.
8824 (get_block_for_decl): Apply align_variable to DECL before
8825 calculating section information.
8826 (assemble_variable): Split out alignment computation.
8828 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8830 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8833 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8835 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8836 MODE_PARTIAL_INT mode.
8837 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8838 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8840 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8841 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8843 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8845 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8847 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8848 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8849 MACFLAG_IH): Likewise.
8850 (movstricthi_1): Renamed from "*movstricthi".
8851 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8852 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8853 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8854 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8855 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8856 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8857 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8858 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8859 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8860 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8861 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8862 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8863 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8864 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8865 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8867 * doc/rtl.texi (ss_ashift): Improve wording.
8869 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8871 * dwarf2out.c (verify_marks_clear): New.
8872 (prune_unused_types): Call verify_marks_clear initially, not
8875 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8877 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8878 * doc/rtl.texi: Document them.
8879 * simplify-rtx.c (simplify_unary_operation,
8880 simplify_binary_operation_1): Don't abort when we see them.
8882 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8885 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8886 * configure.ac: Completely disregard languages that are not
8888 * configure: Regenerated.
8890 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8891 Richard Guenther <rguenther@suse.de>
8893 PR tree-optimization/27236
8894 * tree-inline.c (copy_body_r): Make sure to copy
8895 TREE_THIS_VOLATILE flag.
8897 2006-04-24 Richard Guenther <rguenther@suse.de>
8900 * tree-complex.c (update_parameter_components): Don't handle
8901 unused parameters which have no default def.
8903 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8904 Richard Guenther <rguenther@suse.de>
8906 PR tree-optimization/27218
8907 * tree-inline.c (expand_call_inline): Strip useless type
8908 conversions for the return slot address.
8910 2006-04-24 Richard Guenther <rguenther@suse.de>
8912 * cfgloop.h (struct loops): Remove unused field array. Reorder
8914 (LOOP_PREFETCH): Remove.
8916 2006-04-24 Richard Guenther <rguenther@suse.de>
8918 PR tree-optimization/22525
8919 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8920 variable, adjust types of generated expressions.
8922 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8924 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8925 (tree-vect-patterns.o): Likewise.
8927 (cselib.o): Likewise.
8928 (loop-doloop.o): Likewise.
8929 (regclass.o): Likewise.
8930 (reload1.o): Likewise.
8931 (explow.o): Replace target.h with $(TARGET_H).
8932 (ipa-prop.o): Likewise.
8933 (ipa-cp.o): Likewise.
8934 (ipa-inline.o): Likewise.
8935 (reorg.o): Likewise.
8936 (reg-stack.o): Likewise.
8938 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8940 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8942 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8944 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8946 * configure.ac: Completely disregard languages that are not
8948 * configure: Regenerated.
8951 * c-common.h (c_build_bitfield_integer_type): Declare.
8952 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8953 * c-common.c (c_build_bitfield_integer_type): ... here.
8955 2006-04-23 Roger Sayle <roger@eyesopen.com>
8958 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8959 a SImode SUBREG of a floating point register after no_new_pseudos.
8961 2006-04-23 Roger Sayle <roger@eyesopen.com>
8963 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8964 identify potentially eliminable registers to additionally catch
8965 VIRTUAL_INCOMING_ARGS_REGNUM.
8966 (addsi3): Update the conditions on when to use addsi_small_int.
8968 2006-04-23 Roger Sayle <roger@eyesopen.com>
8971 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8972 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8973 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8975 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8977 * fold-const.c (range_predecessor): Use operand_equal_p
8978 as the predicate for equality.
8979 (range_successor): Likewise.
8981 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8984 * config/soft-fp/op-common.h: Fix a typo.
8986 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8989 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8990 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8992 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8994 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8996 * doc/tm.texi: Fix a typo.
8998 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9000 * dwarf2out.c (struct die_struct): Document that die_sib makes
9001 a circular linked list.
9002 (FOR_EACH_CHILD): New.
9003 (reverse_die_lists): Delete.
9004 (reverse_all_dies): Delete.
9005 (add_dwarf_attr): Correct documentation.
9006 (remove_child_with_prev): New.
9007 (remove_child_TAG): Update for change to die_struct, use
9008 remove_child_with_prev.
9009 (add_child_die): Update for change to die_struct.
9010 (splice_child_die): Use remove_child_with_prev and add_child_die.
9011 (print_die): Use FOR_EACH_CHILD.
9012 (die_checksum): Likewise.
9013 (assign_symbol_names): Likewise.
9014 (output_location_lists): Likewise.
9015 (build_abbrev_table): Likewise.
9016 (calc_die_sizes): Likewise.
9017 (mark_dies): Likewise.
9018 (unmark_dies): Likewise.
9019 (unmark_all_dies): Likewise.
9020 (output_die): Likewise.
9021 (prune_unused_types_mark): Likewise.
9022 (prune_unused_types_walk): Likewise.
9023 (same_die_p): Update for change to die_struct.
9024 (break_out_includes): Likewise.
9025 (prune_unused_types_prune): Likewise.
9026 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9027 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9029 (dwarf2out_finish): Don't call reverse_all_dies.
9031 2006-04-21 Eric Christopher <echristo@apple.com>
9033 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9034 in comments and function names.
9036 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9039 * c-typeck.c (digest_init): Robustify.
9041 * c-typeck.c (pop_init_level): Simplify.
9043 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9045 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9047 2006-04-21 Paul Brook <paul@codesourcery.com>
9049 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9050 hardware floating point.
9052 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9054 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9057 2006-04-21 Nick Clifton <nickc@redhat.com>
9059 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9062 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9065 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9066 C++ lang type in traceback table for Objective-C++.
9068 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9070 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9072 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9074 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9077 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9078 were errors. Remove check for erroneous objects.
9080 2006-04-20 Jeff Law <law@redhat.com>
9082 PR tree-optimization/26854
9083 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9084 checking for zero or one use.
9085 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9086 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9087 * tree-ssa-reassoc.c (negate_value): Similarly.
9088 (reassociate_bb): Similarly.
9090 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9092 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9093 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9094 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9096 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9098 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9099 fp regs if the last fp arg doesn't fit in regs.
9101 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9104 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9105 that the last insn has the REG_INC note.
9107 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9108 Nathan Sidwell <nathan@codesourcery.com>
9111 * stor-layout.c (update_alignment_for_field): Do not align
9113 (place_union_field): Place union field at the start of the union.
9114 (place_field): Move ERROR_MARK check later, and use the current
9115 allocation position to maintain monotonicity.
9117 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9119 * dominance.c: Include timevar.h.
9120 (calculate_dominance_info): Use TV_DOMINANCE.
9121 * timevar.def (TV_DOMINANCE): New timevar.
9122 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9124 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9126 PR rtl-optimization/14261
9127 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9128 move would be an INSV insn.
9129 (noce_process_if_block): Don't optimize if the destination is a
9130 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9132 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9134 * config/s390/s390.md: Add comments with the instructions emitted
9135 by an insn pattern if macros are used.
9137 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9139 PR rtl-optimization/26026
9140 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9141 is a known power of two shifted left a variable amount.
9143 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9145 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9146 to hash table twice when the debug_str section has SECTION_MERGE.
9148 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9150 * config/soft-fp: New directory. From glibc.
9151 * config/soft-fp/t-softfp: New.
9152 * config/soft-fp/README: New.
9153 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9154 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9155 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9156 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9157 * config.gcc: Use rs6000/t-fprules-fpbit or
9158 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9160 * config/rs6000/sfp-machine.h: New. Based on glibc.
9161 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9163 * config/rs6000/t-fprules: Remove fp-bit rules.
9164 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9165 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9166 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9167 (softfp_wrap_start, softfp_wrap_end): New.
9169 2006-04-18 DJ Delorie <dj@redhat.com>
9171 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9173 2006-04-18 Devang Patel <dpatel@apple.com>
9175 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9177 2006-04-18 Nick Clifton <nickc@redhat.com>
9179 * config/sh/t-symbian: Add rule to build sh-c.o
9180 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9181 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9182 (sh_symbian_encode_section_info): Likewise.
9184 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9186 * builtins.c (expand_builtin_strcmp): Cover label definition of
9187 do_libcall with HAVE_cmpstrnsi.
9189 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9191 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9193 * function.h (temp_slot_p): New.
9194 (function): Change the type of x_used_temp_slots to
9195 VEC(temp_slot_p,gc) *.
9197 2006-04-18 Nick Clifton <nickc@redhat.com>
9199 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9200 flag_strength_reduce.
9202 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9204 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9208 Partial revert of revision 112637
9209 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9210 Dale Johannesen <dalej@apple.com>
9213 * regclass.c (struct reg_pref): Update documentation.
9214 (regclass): Set prefclass to NO_REGS if memory is the best option.
9215 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9217 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9219 PR tree-optimization/26821
9220 * tree-ssa-math-opts.c (get_constant_one): New.
9221 (insert_reciprocals): Use it.
9223 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9225 * dwarf2out.c (free_AT): Delete.
9226 (remove_AT): Update string ref counts.
9227 (remove_child_TAG): Don't call free_die.
9229 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9230 or DW_TAG_GNU_EINCL.
9231 (prune_unused_types_walk_attribs): Reset string refcounts.
9232 (prune_unused_types_update_strings): New.
9233 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9234 call free_die. Do call prune_unused_types_update_strings.
9235 (prune_unused_types): Empty debug_str_hash.
9237 2006-04-17 Roger Sayle <roger@eyesopen.com>
9239 * expr.c (expand_assignment): Optimize away no-op moves where the
9240 source and destination are equal and have no side-effects.
9242 2006-04-17 Richard Guenther <rguenther@suse.de>
9245 * reload.c (push_reload): Guard calls to get_secondary_mem
9248 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9250 * alias.c (reg_base_value, old_reg_base_value): Change the
9251 type to VEC(rtx,gc) *.
9252 (REG_BASE_VALUE, find_base_value, record_set,
9253 init_alias_analysis): Use VEC instead of VARRAY.
9255 * alias.c (alias_sets): Change the type to
9256 VEC(alias_set_entry,gc) *.
9257 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9258 VEC instead of VARRAY.
9259 (last_alias_set): Remove.
9261 * cgraph.h (cgraph_edge_p): New.
9262 Update the prototype of cgraph_function_versioning.
9263 * cgraphunit.c (cgraph_copy_node_for_versioning,
9264 cgraph_function_versioning): Use VEC instead of VARRAY.
9265 * ipa-cp.c (ipcp_insert_stage): Likewise.
9267 2006-04-16 Roger Sayle <roger@eyesopen.com>
9270 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9271 "A op B" or "A op C", we may need to convert A to the type of B and C.
9273 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9275 * target.h (struct gcc_target): Add mode_rep_extended.
9276 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9277 (init_num_sign_bit_copies_in_rep): Initialize it using
9279 (truncate_to_mode): Use it.
9280 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9281 * targhooks.h (default_mode_rep_extended): Declare it.
9282 * targhooks.c (default_mode_rep_extended): Define it.
9283 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9284 default_mode_rep_extended.
9285 (TARGET_INITIALIZER): Include it.
9286 * doc/tm.texi (Misc): Document it.
9287 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9288 (mips_truncated_to_mode): New function.
9290 2006-04-16 Roger Sayle <roger@eyesopen.com>
9293 * expr.c (compress_float_constant): Copy the narrow constant into
9294 a new pseudo before extending it to its final width.
9296 2006-04-16 Roger Sayle <roger@eyesopen.com>
9297 Andrew Pinski <pinskia@gcc.gnu.org>
9298 Dale Johannesen <dalej@apple.com>
9301 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9302 special case code to implement V8HImode and V16QImode with SSE2.
9304 2006-04-15 Roger Sayle <roger@eyesopen.com>
9306 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9307 trees are constructed with a suitable tree type.
9309 2006-04-15 Roger Sayle <roger@eyesopen.com>
9311 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9312 (integer_onep): Likewise.
9313 (integer_all_onesp): Likewise.
9314 (integer_pow2p): Likewise.
9315 (integer_nonzerop): Likewise.
9316 (real_zerop): Likewise.
9317 (real_onep): Likewise.
9318 (real_twop): Likewise.
9319 (real_minus_onep): Likewise.
9320 (int_size_in_bytes): Likewise.
9321 (host_integerp): Likewise.
9323 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9325 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9326 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9327 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9329 * tree-ssa-structalias.h (alias_info): Remove num_references.
9331 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9333 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9334 (output_bvb patterns): Likewise.
9335 * pa.c (output_bb): Use 'bb' insn for long branch case.
9336 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9337 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9338 1. Correct length operand for alternatives 1 and 2.
9339 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9340 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9342 2006-04-14 Roger Sayle <roger@eyesopen.com>
9344 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9345 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9346 were accidentally reverted by r112959.
9348 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9351 * except.h (eh_region_outermost): New prototype.
9352 * except.c (eh_region_outermost): New function.
9353 * tree-cfg.c (find_outermost_region_in_block): Use it.
9355 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9357 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9359 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9360 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9361 (init_reload, reload): Use VEC instead of VARRAY.
9362 * reload.h: Update the prototype for
9363 reg_equiv_memory_loc_varray.
9365 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9366 Eric Botcazou <ebotcazou@libertysurf.fr>
9368 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9371 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9374 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9375 to expand fallback builtin function call.
9377 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9380 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9381 and emit libcall here in case the builtin fails.
9382 (expand_builtin_strcmp): Always emit the libcall here on failure.
9384 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9386 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9387 * flow.c (reg_n_info): Change the type to
9388 VEC(reg_info_p,heap) *.
9389 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9391 * regs.h (reg_info_p): New.
9392 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9393 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9394 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9397 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9399 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9401 * params.h (MAX_SCHED_READY_INSNS): New macro.
9402 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9403 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9404 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9405 the ready list for 1 cycle during the first scheduling pass.
9406 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9408 2006-04-13 Richard Henderson <rth@redhat.com>
9411 * gimple-low.c (lower_omp_directive): Remove dead code.
9412 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9413 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9414 * omp-low.c (struct omp_region): Move to tree-flow.h.
9415 (root_omp_region): Export.
9416 (omp_regions, lookup_omp_region): Remove.
9417 (determine_parallel_type): Update for struct omp_region changes.
9418 (dump_omp_region): Dump regions with block numbers.
9419 (new_omp_region): Take type and block instead of stmt; malloc
9421 (free_omp_region_1, free_omp_regions): New.
9422 (expand_parallel_call): Take entry_stmt as argument; update for
9423 changes to omp_region.
9424 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9425 (remove_exit_barriers): New.
9426 (expand_omp_parallel): Update for struct omp_region changes.
9427 (expand_omp_synch): Likewise.
9428 (expand_omp): Likewise.
9429 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9430 (expand_omp_for_static_chunk): Likewise.
9431 (expand_omp_for): Likewise.
9432 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9433 (expand_omp_sections): Similarly, with GOMP_sections_end.
9434 (expand_omp_single): New.
9435 (build_omp_regions_1): Update for OMP_CONTINUE.
9436 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9437 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9438 OMP_SECTIONS_SECTIONS.
9439 (lower_omp_single_simple): Don't emit barrier here.
9440 (lower_omp_single_copy): Likewise.
9441 (lower_omp_single): Fix bindings, and lower to straightline now.
9442 (lower_omp_master, lower_omp_ordered): Likewise.
9443 (lower_omp_critical): Likewise.
9444 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9445 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9446 omp edges, free it afterward.
9447 (make_omp_sections_edges): Remove.
9448 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9449 (move_stmt_r): Handle OMP_CONTINUE.
9450 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9451 statement pointers to basic blocks. Add type member.
9452 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9453 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9454 * tree-inline.c (estimate_num_insns_1): Likewise.
9455 * tree-pretty-print.c (dump_generic_node): Likewise.
9456 * tree-ssa-operands.c (get_expr_operands): Likewise.
9457 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9458 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9459 (OMP_CONTINUE): New.
9460 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9461 (OMP_SECTIONS_SECTIONS): Remove.
9462 (OMP_SECTION_LAST): New.
9463 (OMP_RETURN_NOWAIT): New.
9465 2006-04-13 Roger Sayle <roger@eyesopen.com>
9467 * fold-const.c (native_encode_vector, native_interpret_real):
9468 Correct obvious mistakes in the previous check-in.
9470 2006-04-13 Roger Sayle <roger@eyesopen.com>
9472 * fold-const.c (native_encode_expr): New function to encode
9473 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9474 or VECTOR_CST into a specified buffer.
9475 (native_encode_int): New function.
9476 (native_encode_real): New function.
9477 (native_encode_complex): New function.
9478 (native_encode_vector): New function.
9479 (native_interpret_expr): Inverse of native_encode_expr to convert
9480 a target representation into an INTEGER_CST, REAL_CST etc...
9481 (native_interpret_int): New function.
9482 (native_interpret_real): New function.
9483 (native_interpret_complex): New function.
9484 (native_interpret_vector): New function.
9485 (fold_view_convert_expr): New function to constant fold/evaluate
9486 a VIEW_CONVERT_EXPR of a suitable constant expression.
9487 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9488 Change call of build1 to fold_build1 when constructing a
9491 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9492 Ulrich Weigand <uweigand@de.ibm.com>
9495 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9498 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9501 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9502 optimize to lo_sum for DFmode if !TARGET_FPRS.
9504 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9506 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9507 delete_alias_info, compute_flow_sensitive_aliasing,
9508 group_aliases): Use VEC instead of VARRAY.
9509 * tree-ssa-structalias.c (update_alias_info): Likewise.
9510 * tree-ssa-structalias.h (alias_info): Change the type of
9511 processed_ptrs to VEC(tree,heap) *.
9513 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9516 * config/sh/lib1funcs.h: New file, broken out of:
9517 * config/sh/lib1funcs.asm.
9518 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9520 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9521 * config/sh/lib1funcs-Os-4-200.asm: New file.
9522 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9523 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9524 (EXTRA_MULTILIB_PARTS): Include it.
9525 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9526 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9527 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9528 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9531 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9533 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9534 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9535 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9537 * tree-ssa-live.h: Include vecprim.h.
9538 (tree_partition_associator_d): Change the type of
9539 first_partition to VEC(int,heap) *.
9540 (tpa_first_partition): Use VEC instead of VARRAY.
9542 * Makefile.in (GTFILES): Move functions.h after tree.h.
9543 * function.c (reset_block_changes, record_block_change,
9544 check_block_change, free_block_changes): Use VEC instead of
9546 * function.h (function): Change the type of
9547 ib_boundaries_block to VEC(tree,gc) *.
9548 * tree-inline.c (copy_cfg_body): Initialize
9549 ib_boundaries_block to NULL instead of (varray_type) 0.
9551 2006-04-12 Roger Sayle <roger@eyesopen.com>
9553 * expr.c (emit_group_store): Correct operand order in call to
9554 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9555 a SUBREG_BYTE of zero.
9557 2006-04-12 Richard Guenther <rguenther@suse.de>
9559 * profile.c (compute_branch_probabilities): Remove code
9560 encapsulated in !ir_type (), which are remanents of the
9561 removed RTL profiling code.
9562 * rtl-profile.c: Remove.
9564 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9566 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9567 magic NULL_RTX comment.
9568 (function_arg): Store entire fp arg to mem if any part should go
9570 (rs6000_arg_partial_bytes): Adjust for above change.
9572 2006-04-11 Roger Sayle <roger@eyesopen.com>
9574 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9575 if it hasn't been initialized by dwarf2out_init.
9577 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9579 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9580 symbolic constants in branch patterns.
9582 2006-04-11 Roger Sayle <roger@eyesopen.com>
9584 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9586 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9588 PR rtl-optimization/27073
9589 * gcse.c (try_replace_reg): Revert last change. Continue to search
9590 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9593 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9595 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9596 aggregate types other than record and union types.
9597 (function_arg): Likewise.
9598 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9600 (function_value): In 64-bit mode, return objects that require it
9603 2006-04-11 Roger Sayle <roger@eyesopen.com>
9605 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9607 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9609 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9611 2006-04-03 Jeff Law <law@redhat.com>
9614 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9615 alias information too.
9617 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9619 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9621 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9624 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9625 (premark_used_types_helper): New.
9626 (premark_used_types): New.
9627 (gen_subprogram_die): Call premark_used_types.
9628 (prune_unused_types_walk): Do not prune perennial dies.
9629 * function.c (used_types_insert): New.
9630 * function.h (struct function): Add used_types_hash field.
9631 (used_types_insert): Add prototype.
9632 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9633 * c-parser.c (c_parser_cast_expression): Save casted types in used
9636 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9639 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9640 rs6000_explicit_options.float_gprs.
9642 2006-04-10 Roger Sayle <roger@eyesopen.com>
9644 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9645 from ix86_expand_vector_init_low_nonzero. Take an additional
9646 one_var argument indicating which element is non-zero. Support
9647 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9648 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9649 with one_var instead of ix86_expand_vector_init_low_nonzero.
9651 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9653 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9654 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9655 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9656 build/genextract.o): Depend on vecprim.h.
9657 * cfglayout.c, df-problems.c, function.c, genextract.c,
9658 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9659 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9663 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9665 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9666 Declare VECs of this type.
9667 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9668 (remove_children): Delete.
9669 (add_dwarf_attr): Use VEC routines.
9670 (add_AT_flag): Update for changes to add_dwarf_attr.
9671 (add_AT_int): Likewise.
9672 (add_AT_unsigned): Likewise.
9673 (add_AT_long_long): Likewise.
9674 (add_AT_vec): Likewise.
9675 (add_AT_string): Likewise.
9676 (add_AT_die_ref): Likewise.
9677 (add_AT_fde_ref): Likewise.
9678 (add_AT_loc): Likewise.
9679 (add_AT_loc_list): Likewise.
9680 (add_AT_addr): Likewise.
9681 (add_AT_lbl_id): Likewise.
9682 (add_AT_lineptr): Likewise.
9683 (add_AT_macptr): Likewise.
9684 (add_AT_offset): Likewise.
9685 (add_AT_range_list): Likewise.
9686 (get_AT): Use VEC_iterate.
9687 (remove_AT): Use VEC_ordered_remove.
9688 (free_die): Fold remove_children into here; have it use VEC_iterate.
9689 (print_die): Use VEC_iterate on attrs.
9690 (reverse_die_lists): Don't reverse attr lists.
9691 (die_checksum): Use VEC_iterate on attrs.
9692 (same_die_p): Likewise.
9693 (output_location_lists): Likewise.
9694 (build_abbrev_table): Likewise.
9695 (size_of_die): Likewise.
9696 (unmark_all_dies): Likewise.
9697 (output_abbrev_section): Likewise.
9698 (output_die): Likewise.
9699 (prune_unused_types_walk_attribs): Likewise.
9701 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9703 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9705 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9708 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9710 2006-04-09 Roger Sayle <roger@eyesopen.com>
9712 * expr.c (store_constructor): Don't bother clearing target if
9713 we're about to assign a vector to it using vec_init_optab.
9715 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9717 * tree-ssa-alias.c (lhs_may_store_to): New function.
9718 (recalculate_used_alone): Handle LHS of calls.
9720 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9724 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9725 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9726 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9727 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9728 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9729 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9730 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9731 stubs. Add ".align 8" directives before all ".dword" directives.
9732 (GTHREAD_USE_WEAK): Revise comment.
9733 (TARGET_ATTRIBUTE_WEAK): Define.
9734 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9735 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9736 * stublib.c: New file.
9741 * pa.md (cbranch patterns): Revise arguments used in calls to
9742 output_cbranch, output_bb and output_bvd. Add long branch length
9744 (fbranch patterns): Handle long branches.
9745 (jump): Revise length check. Revise arguments for output_lbranch call.
9746 Add long branch length attributes.
9747 (decrement_and_branch_until_zero): Add long branch length attributes.
9748 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9749 Likewise. Revise arguments for output_parallel_addb and
9750 output_parallel_movb calls.
9751 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9752 output_parallel_movb and output_parallel_addb): Update prototypes.
9753 * pa.c (output_cbranch): Revise arguments. Correct handling of
9754 nullification in long branches.
9755 (output_lbranch): Add new argument to control extraction of delay
9757 (output_bb): Handle long branches.
9758 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9759 output_parallel_addb): Likewise.
9761 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9763 PR rtl-optimization/27073
9764 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9767 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9769 * tree.h (tree_memory_tag): Add old_used_alone.
9770 (SMT_OLD_USED_ALONE): New macro.
9771 * tree-ssa-alias.c (recalculate_used_alone): Stop
9772 marking things for renaming unnecessarily.
9774 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9776 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9777 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9778 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9779 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9780 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9781 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9782 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9783 spelling convensions.
9784 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9785 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9786 typos. Follow spelling conventions.
9788 2006-04-07 DJ Delorie <dj@redhat.com>
9790 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9791 passed on the stack.
9792 (m32c_init_cumulative_args): When a function returns a structure,
9793 always pass the pointer to that return area on the stack.
9794 (m32c_function_arg_advance): Don't increment the parameter number
9795 if we're processing the returned structure pointer.
9796 (pushm_info): Reverse order of registers.
9798 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9800 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9801 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9802 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9803 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9805 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9806 chrec_fold_multiply): Same.
9807 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9808 force_expr_to_var_cost): Same.
9809 * tree-mudflap.c (mf_xform_derefs_1): Same.
9810 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9812 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9814 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9815 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9818 2006-04-07 Jan Hubicka <jh@suse.cz>
9820 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9822 2006-04-07 Richard Guenther <rguenther@suse.de>
9824 PR tree-optimization/26135
9825 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9826 loads for store copy-prop.
9827 (copy_prop_visit_stmt): Likewise.
9829 2006-04-05 Robert Millan <robertmh@gnu.org>
9831 * config/i386/linux.h: Add a comment to mark macros that are
9832 being overriden in config/k*bsd-gnu.h.
9833 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9835 * config/knetbsd-gnu.h: Ditto.
9837 2006-04-06 Jan Hubicka <jh@suse.cz>
9841 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9844 2006-04-06 Mike Stump <mrs@apple.com>
9846 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9847 for HAVE_nonlocal_goto to be consistent.
9848 (expand_builtin_nonlocal_goto): Likewise.
9849 (expand_builtin_strcmp): Use #ifdef instead of #if
9850 for HAVE_cmpstrnsi to be consistent.
9852 2006-04-05 DJ Delorie <dj@redhat.com>
9854 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9857 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9859 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9860 got-relative addressing for anything but SImode.
9862 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9863 even if the calling function doesn't modify them.
9865 2006-04-05 Richard Guenther <rguenther@suse.de>
9867 PR tree-optimization/26919
9868 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9869 to cgraph_estimate_size_after_inlining.
9871 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9873 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9875 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9877 PR tree-optimization/26996
9878 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9879 VECTOR_TYPE variables.
9881 2006-04-05 Richard Guenther <rguenther@suse.de>
9883 PR tree-optimization/26763
9884 * fold-const.c (fold_comparison): Move folding of
9885 PTR + CST CMP PTR + CST ...
9886 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9888 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9890 * doc/install.texi (Prerequisites): Refine some wording on
9891 bootstrapping and ksh.
9892 Move the version numbers of DejaGnu here from the testing section
9893 and fix casing of names.
9894 Fix markup and clarify wording for autogen requirements.
9895 Refer to GCJ instead of just java.
9896 Refer to SVN instead of CVS.
9897 Describe diffutils as useful instead of necessary.
9898 (Downloading the source): Refer to SVN instead of CVS.
9899 Adjust a link to our web site accordingly.
9900 (Configuration): Fix casing of Bison.
9901 (Building): Refer to SVN instead of CVS.
9902 Fix a sentence on the use of Bison and remove duplicate (and
9903 incorrect) version number of Bison requirement.
9904 Remove one redundant list of packages needed for building.
9905 (Specific): Avoid reference to CVS.
9907 2006-04-04 Eric Christopher <echristo@apple.com>
9909 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9910 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9911 (rs6000_handle_struct_attribute): New.
9912 (rs6000_ms_bitfield_layout_p): Ditto.
9914 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9916 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9917 NULL for dso parameter to atexit_common.
9919 2006-04-04 Eric Christopher <echristo@apple.com>
9921 * config/i386/i386.c (machopic_output_stub): Output \t
9922 between instructions and operands.
9924 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9926 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9927 satisfies_constraint_[IL] to explicit tests on value.
9929 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9931 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9932 set_nb_iterations_in_loop): Use build_int_cst instead of
9934 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9935 build_int_cst instead of convert.
9937 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9939 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9940 new value 2 for incoming.
9941 * function.c (expand_function_start): Call struct_value_rtx
9943 * config/sparc/sparc.md: Comment updated_return.
9944 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9945 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9946 struct return if sparc_std_struct_return and incoming is 2.
9947 (print_operand): Do not adjust return if
9948 sparc_std_struct_return.
9950 2006-04-04 Roger Sayle <roger@eyesopen.com>
9952 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9953 convert in the middle-end.
9954 * expr.c (store_expr, store_constructor, get_inner_reference,
9955 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9957 * tree.c (build_range_type): Likewise.
9959 2006-04-04 Tom Tromey <tromey@redhat.com>
9961 * doc/install.texi (Prerequisites): Mention jar.
9963 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9965 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9968 2006-04-04 Matthias Klose <doko@debian.org>
9970 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9974 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9977 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9979 * doc/extend.texi (Function Attributes): Rewrite visibility
9980 attribute documentation.
9981 * doc/invoke.texi (C++ Dialect Options): Rewrite
9982 -fvisibility-inlines-hidden documentation to describe something
9983 entirely different, although in practise compatible.
9984 (Code Gen Options): Warn about system headers in -fvisibility=
9987 * doc/extend.texi (Other Builtins): Document that
9988 __builtin_nan is a compile-time constant only when its argument
9991 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9993 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9994 trying to remove TRUNCATE check if all bits outside the new mode
9995 are identical to the sign bit.
9997 2006-04-03 Jeff Law <law@redhat.com>
9999 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10000 and operand scanning in some common cases.
10002 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10003 Dale Johannesen <dalej@apple.com>
10006 * regclass.c (struct reg_pref): Update documentation.
10007 (regclass): Set prefclass to NO_REGS if memory is the best option.
10008 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10009 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10010 into account. For non-registers, equate an empty preferred
10011 reload class to a `!' in the constraint; move the if clause to
10012 do so after those that reject the insn.
10013 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10015 (find_dummy_reload): Likewise.
10016 * doc/tm.texi (Register Classes): Document what it means
10017 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10018 * config/i386/i386.c (ix86_preferred_reload_class): Force
10019 using SSE registers (and return NO_REGS for floating-point
10020 constants) if math is done with SSE.
10021 (ix86_preferred_output_reload_class): New.
10022 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10023 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10024 * config/i386/i386.md: Remove # register preferences.
10026 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10029 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10030 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10031 the type of nb_iter.
10032 (instantiate_parameters_1): Convert the operands before calling
10033 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10034 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10036 2006-04-02 Roger Sayle <roger@eyesopen.com>
10038 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10039 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10040 instead of convert.
10041 * dojump.c (do_jump): Likewise.
10042 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10043 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10044 gimplify_boolean_expr): Likewise.
10045 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10046 * varasm.c (array_size_for_constructor): Likewise.
10047 * tree-object-size.c (compute_object_offset): Likewise.
10049 2006-04-02 Roger Sayle <roger@eyesopen.com>
10051 PR middle-end/26977
10052 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10053 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10055 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10057 PR tree-optimization/26939
10058 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10060 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10062 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10063 at_stmt. Convert the type of operands before calling
10064 build_polynomial_chrec.
10065 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10066 add_to_evolution_1.
10067 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10068 (instantiate_parameters_1): Convert the type of operands before calling
10069 build_polynomial_chrec.
10070 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10071 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10072 reset_evolution_in_loop): Insert asserts to check the types of the
10074 (chrec_type): Moved...
10075 (eq_evolutions_p): Use operand_equal_p.
10076 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10077 the types of the operands.
10078 (chrec_type): ...here.
10079 * tree-data-ref.c (create_data_ref): Convert the operands before
10080 calling chrec_replace_initial_condition.
10081 (same_access_functions, analyze_subscript_affine_affine,
10082 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10083 (compute_subscript_distance, analyze_ziv_subscript,
10084 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10085 analyze_miv_subscript): Convert the operands before calling
10086 chrec_fold_minus or chrec_fold_plus.
10088 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10090 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10091 the dependence_relations vector.
10092 (compute_data_dependences_for_loop): Adjust call to
10093 compute_all_dependences.
10095 2006-04-01 Roger Sayle <roger@eyesopen.com>
10096 Richard Henderson <rth@redhat.com>
10098 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10099 gimple_boolify on the condition before calling gimplify_expr.
10101 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10103 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10104 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10105 the frame size. Update to use the new macros.
10106 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10107 * config/xtensa/ieee754-df.S: Likewise.
10109 2006-03-31 Richard Henderson <rth@redhat.com>
10111 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10112 (make_edges): ... here. Control fallthru creation with a local
10113 variable. Do not play with fake edges.
10114 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10115 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10118 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10120 * dwarf2.h (DW64_CIE_ID): Define.
10121 * dwarf2out.c (DWARF_CIE_ID): Define.
10122 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10123 length header. Use DWARF_CIE_ID.
10124 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10125 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10127 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10129 * config/sh/linux-atomic.asm: New file.
10130 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10132 2006-03-31 DJ Delorie <dj@redhat.com>
10134 * config/m32c/cond.md: Set condition flags properly throughout.
10135 * config/m32c/minmax.md: Likewise.
10136 * config/m32c/prologue.md: Likewise.
10137 * config/m32c/bitops.md: Likewise.
10138 * config/m32c/muldiv.md: Likewise.
10139 * config/m32c/mov.md: Likewise.
10140 * config/m32c/addsub.md: Likewise.
10141 * config/m32c/m32c.md: Likewise.
10142 * config/m32c/jump.md: Likewise.
10143 * config/m32c/shift.md: Likewise.
10145 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10146 conditionally output the pattern for this.
10147 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10148 (m32c_compare_redundant): New.
10149 (m32c_output_compare): New.
10150 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10152 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10153 dest, not src. Allow other 4-byte modes.
10155 2006-03-30 Denis Chertykov <denisc@overta.ru>
10157 * doc/md.texi: Refer to avr/constraints.md instead of
10160 2006-03-30 Roger Sayle <roger@eyesopen.com>
10162 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10163 signed vs. unsigned comparison failures on some hosts.
10165 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10168 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10169 change to FLOAT_REGS.
10171 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10172 (rs6000_override_options): Use it.
10173 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10174 only for -mabi=spe/no-spe and -mabi=altivec.
10176 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10178 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10181 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10183 * Makefile.in: Rename docdir to gcc_docdir.
10185 2006-03-30 Roger Sayle <roger@eyesopen.com>
10188 * expr.c (emit_group_store): Optimize group stores into a pseudo
10189 register by using a paradoxical subreg to initialize the destination
10190 if the first or last member of the group specifies a "low part".
10192 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10195 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10196 * target.h (struct gcc_target.speculate_insn): Change type of the
10197 second parameter to 'int'.
10198 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10199 the second operand of the DEPS_LIST.
10200 (copy_DEPS_LIST_list): Update reference to the second operand of the
10202 * rtl.h (alloc_DEPS_LIST): Update signature.
10203 * sched-int.h (ds_t): Change typedef to 'int'.
10204 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10206 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10208 * haifa-sched.c (try_ready): Change condition to restore
10209 non-speculative pattern of the instruction.
10210 (process_insn_depend_be_in_spec): Code to keep probability of the
10211 speculative dependence non-decreasing.
10213 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10215 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10216 (single_move_for_movmem): ... this. Also change all uses.
10217 (bfin_expand_strmov): Renamed to...
10218 (bfin_expand_movmem): ... this. Also change all uses.
10219 * config/bfin/bfin.md (movstrsi): Renamed to...
10220 (movstrsi): ...this.
10222 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10224 PR tree-optimization/26830
10226 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10227 (copy_prop_visit_stmt): Remove write-only variable ann.
10228 (init_copy_prop): Check variable loop depth here. Do not simulate
10229 memory-tag and virtual operand PHIs except for store copy prop.
10231 2006-03-30 Richard Guenther <rguenther@suse.de>
10233 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10234 variants with double arguments.
10236 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10238 * genpreds.c (write_tm_constrs_h): Delete variable p.
10239 * genconditions.c (write_header): Add tm-constrs.h to included
10241 * genpeep.c (main): Add toplev.h to included headers.
10242 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10243 (build/genpeep.o): Add toplev.h dependency.
10244 * config/rs6000/constraints.md: Add "W" constraint.
10246 2006-03-29 Roger Sayle <roger@eyesopen.com>
10248 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10249 sizes by correctly testing whether the size fits a host integer.
10250 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10251 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10252 SImode range for the default sizetype and bitsizetype.
10254 2006-03-29 Roger Sayle <roger@eyesopen.com>
10256 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10257 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10258 quickly if the argument is already of the correct type.
10259 Call fold_build1 instead of build1. Tidy up blank lines.
10261 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10263 * genemit.c (main): Add tm-constrs.h to included headers.
10264 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10265 * genpeep.c (main): Add tm-constrs.h to included headers.
10266 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10267 (write_tm_constrs_h): this and write complete file.
10268 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10269 (write_insn_preds_c): Add tm-constrs.h to included headers.
10270 (gen_constrs): New variable.
10271 (parse_option): Parse "-c".
10272 (main): Invoke write_tm_constrs_h.
10273 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10274 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10275 (object_out_file): Add tm-constrs.h dependency.
10276 (insn-emit.o): Same.
10277 (insn-output.o): Same.
10278 (insn-peep.o): Same.
10279 (insn-preds.o): Same.
10280 (insn-recog.o): Same.
10281 (tm-constsr.h): New target.
10282 (s-constrs-h): New target.
10284 * config/rs6000/constraints.md: New file.
10285 * config/rs6000/rs6000.c: Include tm-constrs.h.
10286 (num_insn_constant_wide): Convert to satisfies_constraint.
10287 (rs6000_rtx_costs): Convert to satisfies_constraint.
10288 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10289 (CONST_OK_FOR_LETTER_P): Delete.
10290 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10291 (EXTRA_CONSTRAINT): Delete.
10292 (EXTRA_MEMORY_CONSTRAINT): Delete.
10293 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10294 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10295 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10296 satisfies_constraint.
10298 * config/i386/i386.c: Include tm-constrs.h.
10300 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10302 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10303 * tree-data-ref.c (find_data_references_in_loop,
10304 compute_data_dependences_for_loop): Use pointers to VEC.
10305 (analyze_all_data_dependences): Adjust calls.
10306 * tree-data-ref.h (find_data_references_in_loop,
10307 compute_data_dependences_for_loop): Adjust declarations.
10308 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10309 compute_data_dependences_for_loop.
10311 2006-03-29 Paul Brook <paul@codesourcery.com>
10313 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10314 (movdf_vfp): Ditto.
10316 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10318 PR tree-optimization/26859
10319 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10321 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10322 for the step after fold_convert.
10324 2006-03-29 Paul Brook <paul@codesourcery.com>
10326 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10327 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10329 2006-03-29 Paul Brook <paul@codesourcery.com>
10331 PR middle-end/23623
10332 * targhooks.c (default_narrow_bitfield): New fuction.
10333 * targhooks.h (default_narrow_bitfield): add prototype.
10334 * target.h (gcc_target): Add narrow_volatile_bitfield.
10335 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10336 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10337 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10338 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10340 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10342 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10344 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10345 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10346 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10347 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10348 (s390_function_arg_float): Allow SDmode and DDmode values to be
10349 passed in floating point registers.
10350 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10351 check with SCALAR_FLOAT_MODE_P.
10352 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10354 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10356 PR tree-optimization/25985
10357 * tree-ssa-loop-niter.c (number_of_iterations_le,
10358 number_of_iterations_ne): Make comments more precise.
10359 (number_of_iterations_cond): Add only_exit argument. Use the
10360 fact that signed variables do not overflow only when only_exit
10362 (loop_only_exit_p): New.
10363 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10364 number_of_iterations_cond.
10366 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10368 PR tree-optimization/26643
10369 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10372 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10374 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10375 (divsi3_i4_int): Likewise.
10377 2006-03-28 Roger Sayle <roger@eyesopen.com>
10379 * expr.c (emit_group_store): Only create a new pseudo reg if the
10380 quantity it needs to hold isn't already a suitable pseudo.
10382 2006-03-28 Jeff Law <law@redhat.com>
10384 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10385 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10387 2006-03-28 Roger Sayle <roger@eyesopen.com>
10389 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10390 the equivalent ~X & Y, and the symmetry related transformations.
10391 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10392 ~X & Y, and symmetry related transforms.
10394 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10396 Revert my 2006-03-27 patches.
10398 2006-03-28 Roger Sayle <roger@eyesopen.com>
10400 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10401 ~(T1)X, when T1 and T2 are integer types of the same precision
10402 and (T2)X isn't an extension.
10404 2006-03-28 Jeff Law <law@redhat.com>
10406 PR tree-optimization/26796
10407 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10408 need EH edge cleanups rather than purging them immediately.
10409 (eliminate_degenerate_phis): Handle queued EH cleanups.
10411 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10413 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10416 2006-03-27 Roger Sayle <roger@eyesopen.com>
10418 PR middle-end/22524
10419 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10420 cast BIT_NOT_EXPR operand to the correct type.
10422 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10424 * tree-loop-linear.c: Don't include varray.h.
10425 (gather_interchange_stats, try_interchange_loops,
10426 linear_transform_loops): Use VEC instead of VARRAY.
10427 * lambda-mat.c: Don't include varray.h.
10428 * tree-chrec.c: Same.
10429 * lambda-trans.c: Same.
10430 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10431 VEC instead of VARRAY.
10432 * tree-vectorizer.h: Idem.
10433 * tree-data-ref.c (dump_data_references,
10434 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10435 initialize_data_dependence_relation, finalize_ddr_dependent,
10436 compute_all_dependences, find_data_references_in_loop,
10437 compute_data_dependences_for_loop, analyze_all_data_dependences,
10438 free_dependence_relation, free_dependence_relations,
10439 free_data_refs): Idem.
10440 * tree-data-ref.h (data_reference_p, subscript_p): New.
10441 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10442 VEC instead of VARRAY.
10443 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10444 (find_data_references_in_loop, compute_data_dependences_for_loop,
10445 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10446 dump_data_dependence_relations, free_dependence_relations,
10447 free_data_refs): Adjust declaration.
10448 (lambda_transform_legal_p): Move declaration here...
10449 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10450 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10451 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10452 vect_analyze_data_refs): Use VEC instead of VARRAY.
10453 * lambda.h (lambda_transform_legal_p): ...from here.
10454 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10455 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10456 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10457 tree-chrec.o): Don't depend on VARRAY_H.
10459 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10461 * rtl.def (Copyright): Update date.
10462 (DEPS_LIST): Change type of the second operand to 'int'.
10463 * target.h (Copyright): Update date.
10464 (struct gcc_target.speculate_insn): Change type of the second parameter
10466 * lists.c (Copyright): Update date.
10467 (alloc_DEPS_LIST): Change signature. Update reference to the second
10468 operand of the DEPS_LIST.
10469 (copy_DEPS_LIST_list): Update reference to the second operand of the
10471 * rtl.h (Copyright): Update date.
10472 (alloc_DEPS_LIST): Update signature.
10473 * sched-int.h (Copyright): Update date.
10474 (ds_t): Change typedef to 'int'.
10475 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10477 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10479 * haifa-sched.c (Copyright): Update date.
10480 (try_ready): Change condition to restore non-speculative pattern
10481 of the instruction.
10482 (process_insn_depend_be_in_spec): Code to keep probability of the
10483 speculative dependence non-decreasing.
10485 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10487 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10488 shut up the compiler.
10490 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10492 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10493 to use lib prefix for target.
10494 ($(T)libic_invalidate_array_4-200.a): Likewise.
10495 ($(T)libic_invalidate_array_4a.a): Likewise.
10497 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10498 J"orn Rennecke <joern.rennecke@st.com>
10500 * superh.opt: New file.
10501 * sh.c (boardtype, osruntime): Remove.
10502 * superh.h (SUBTARGET_OPTIONS): Remove.
10503 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10505 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10506 arguments with ^ and/or [].
10508 * config.gcc (sh-*-*): Add quoting to account for quirk of
10510 Replace == with = in enable_incomplete_targets test.
10512 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10513 with MASK_LITTLE_ENDIAN.
10515 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10516 * config/sh/sh.opt: Added to some comments.
10517 * config/sh/superh.h: Removed some chaff.
10519 * config/sh/sh.opt: Add m4-[1234]00* options.
10520 * config/sh/sh.c (sh_handle_option): Likewise.
10521 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10522 (ic_invalidate_array_4-100.o): New rule.
10523 ($(T)libic_invalidate_array_4-100.a): Likewise.
10524 (ic_invalidate_array_4-200.o): Likewise.
10525 ($(T)libic_invalidate_array_4-200.a): Likewise.
10526 (ic_invalidate_array_4a.o): Likewise.
10527 ($(T)libic_invalidate_array_4a.a): Likewise.
10528 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10529 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10531 * config/sh/crt1.asm: Merged in profiling code.
10532 * config/sh/superh.h (STARTFILE_SPEC): Override.
10533 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10534 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10535 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10537 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10538 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10539 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10541 * sh.opt (mpretend-cmove): New option.
10542 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10543 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10544 (movsicc): Add TARGET_PRETEND_CMOVE code.
10546 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10548 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10549 s390_class_max_nregs): New function prototypes.
10550 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10551 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10552 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10553 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10555 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10557 * dwarf2out.c (add_location_or_const_value_attribute): Call
10558 tree_add_const_value_attribute if nothing else works.
10559 (reference_to_unused): New.
10560 (rtl_for_decl_init): Use reference_to_unused to decide whether
10561 to output an initializer.
10563 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10566 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10567 peephole removing spe frob_di_df_2.
10569 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10571 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10572 (subscript_dependence_tester_1): Declared.
10573 (print_dir_vectors, print_dist_vectors): New.
10574 (debug_data_dependence_relation): New.
10575 (dump_data_dependence_relation): Print more details.
10576 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10577 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10578 (save_dist_v, save_dir_v, add_outer_distances,
10579 build_classic_dist_vector_1): New.
10580 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10581 Don't test for lambda_vector_lexico_pos.
10582 (same_access_functions, add_multivariate_self_dist,
10583 add_other_self_distances, dir_from_dist): New.
10584 (build_classic_dir_vector): Replace implementation almost identical to
10585 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10587 (subscript_dependence_tester_1): New.
10588 (subscript_dependence_tester): Handle the lexicographically negative
10589 distance vectors by recomputing the dependence relation.
10590 (compute_affine_dependence): Remove parameter loop_nest_depth.
10591 (compute_self_dependence): Don't call compute_subscript_distance.
10592 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10593 Add a parameter for the loop_nest.
10594 (find_loop_nest_1, find_loop_nest): New.
10595 (compute_data_dependences_for_loop): Compute the loop nest, and give
10596 up if the nest is not well formed.
10597 * tree-data-ref.h (loop_p): New.
10598 (struct data_dependence_relation): Replace size_vect field with
10599 loop_nest, a vec of loops.
10600 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10601 (DDR_LOOP_NEST): New.
10602 (print_dir_vectors, print_dist_vectors,
10603 debug_data_dependence_relation): Declared.
10604 (index_in_loop_nest): New.
10605 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10606 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10609 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10611 * simplify-rtx.c (simplify_relational_operation): Call
10612 simplify_relational_operation_1 even if mode is VOIDmode.
10614 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10616 PR tree-optimization/26804
10617 * tree.h (DECL_CALL_CLOBBERED): New macro.
10618 (tree_decl_common): Add call_clobbered_flag.
10619 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10620 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10621 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10622 (mark_non_addressable): Ditto.
10623 * tree-ssa.c (verify_call_clobbered): New function.
10624 (verify_alias_info): Use it.
10625 * tree-pass.h (pass_reset_cc_flags): New prototype.
10626 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10627 (reset_cc_flags): New function.
10628 * passes.c (init_optimization_passes): Call reset_cc_flags after
10629 initializing referenced_vars.
10631 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10632 Roger Sayle <roger@eyesopen.com>
10634 PR middle-end/26717
10635 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10636 to 1.0 for non-real operands. Implement A / A optimization for
10639 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10641 * config/i386/i386.c (size_cost): Correct the comment for
10642 cost of storing fp registers.
10643 (i386_cost): Likewise.
10644 (i486_cost): Likewise.
10645 (pentium_cost): Likewise.
10646 (pentiumpro_cost): Likewise.
10647 (k6_cost): Likewise.
10648 (athlon_cost): Likewise.
10649 (k8_cost): Likewise.
10650 (pentium4_cost): Likewise.
10651 (nocona_cost): Likewise.
10652 (generic64_cost): Likewise.
10653 (generic32_cost): Likewise.
10655 2006-03-24 Denis Chertykov <denisc@overta.ru>
10657 * config/avr/avr-protos.h (extra_constraint): Delete.
10658 (extra_constraint_Q): New declaration.
10659 * config/avr/constraints.md: New file.
10660 * config/avr/avr.md: Include it.
10661 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10662 (TMP_REGNO, ZERO_REGNO): Likewise.
10663 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10664 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10665 (extra_constraint): Delete.
10666 (extra_constraint_Q): Test for memory constraint 'Q'.
10667 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10668 (REG_CLASS_FROM_LETTER): Delete.
10669 (CONST_OK_FOR_LETTER_P): Delete.
10670 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10671 (EXTRA_CONSTRAINT): Delete.
10672 (TMP_REGNO): Delete.
10673 (ZERO_REGNO): Delete.
10675 2006-03-24 Jeff Law <law@redhat.com>
10677 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10678 directly. Call mark_new_vars_to_rename slightly earlier.
10680 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10682 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10683 (is_cxx): Likewise.
10684 (gen_compile_unit_die): Use new language types for Objective-C and
10686 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10687 DW_LANG_C_plus_plus.
10690 * config/t-darwin (crt3.o): Work around bug 26840.
10691 * config/darwin-crt3.c: Rewrite.
10692 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10694 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10696 * doc/invoke.texi: Document -femit-class-debug-always
10697 * common.opt: Add -femit-class-debug-always.
10699 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10701 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10702 index and base register.
10703 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10704 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10705 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10706 REGNO_OK_FOR_INDEX_P.
10707 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10709 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10710 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10711 REG_OK_FOR_BASE_P): Definitions removed.
10713 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10715 PR middle-end/26611
10716 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10717 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10718 set yet or weren't marked as local yet.
10720 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10722 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10725 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10727 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10728 (rs6000_legitimate_small_data_p): Delete.
10729 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10730 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10731 and make static. Add forward declaration. Update uses.
10732 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10733 of offsettable_memref_p.
10734 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10735 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10737 2006-03-24 Jeff Law <law@redhat.com>
10739 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10740 around bug in immediate-use iterator.
10742 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10745 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10746 or __LITTLE_ENDIAN__.
10748 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10750 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10751 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10752 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10753 * config/sh/sh.opt (mdiv=): Amend description.
10754 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10755 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10756 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10757 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10758 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10759 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10760 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10761 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10762 TARGET_DIVIDE_CALL_FP.
10764 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10766 * haifa-sched.c (choose_ready): Fix type of the local variable.
10767 Move local variables. Add comment.
10768 (check_reg_live): Change signature. Make callable from debugger.
10769 * sched-int.h (check_reg_live): Update signature.
10770 * sched-ebb.c (check_reg_live): Update parameters.
10771 * sched-rgn.c (check_reg_live): Ditto.
10772 (region_head_or_leaf_p): Check pointer before dereferencing.
10773 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10774 before reload on optimization levels below 1.
10776 2006-03-23 Richard Henderson <rth@redhat.com>
10778 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10782 * config/alpha/predicates.md (local_symbolic_operand): Reject
10785 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10788 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10789 expressions which have overflowed constants.
10791 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10793 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10795 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10797 * cfgloopmanip.c (create_loop_notes): Removed.
10798 * final.c (final_scan_insn): Do not handle loop notes.
10799 * jump.c (squeeze_notes): Ditto.
10800 * cfglayout.c (skip_insns_after_block,
10801 duplicate_insn_chain): Ditto.
10802 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10804 * cfgloop.h (create_loop_notes): Declaration removed.
10806 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10808 * varasm.c (output_constant_pool): Restore fnname and fndecl
10810 (assemble_start_function): Adjust call accordingly.
10811 (assemble_end_function): Likewise.
10813 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10816 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10819 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10821 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10824 * system.h (ICE_EXIT_CODE): New macro.
10825 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10826 (diagnostic_action_after_output): Likewise.
10827 * gcc.c (fatal_ice): New function.
10828 (execute): Use it instead of fatal.
10829 (fancy_abort): Likewise.
10830 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10832 2006-03-22 Jeff Law <law@redhat.com>
10834 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10835 iv_analyze_result returning false.
10837 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10839 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10841 2006-03-22 Richard Henderson <rth@redhat.com>
10843 PR middle-end/26084
10844 * except.c (duplicate_eh_regions_0): New.
10845 (duplicate_eh_region_1): Duplicate the children of the node as
10846 well as the node itself. Link them up properly.
10847 (duplicate_eh_region_2): Merge into ...
10848 (duplicate_eh_regions): ... here. Take copy_region argument, and
10849 copy only a sub-tree if asked. Simplify copying and fixup.
10850 (eh_region_outer_p): New.
10851 * except.h (duplicate_eh_regions): Update decl.
10852 (eh_region_outer_p): Declare.
10853 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10854 (lower_omp_master): Likewise.
10855 (lower_omp_ordered): Likewise.
10856 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10857 (move_stmt_r): Use it to remap labels. Handle recursion vs
10858 remap_decls_p properly.
10859 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10860 (find_outermost_region_in_block): New.
10861 (new_label_mapper): New.
10862 (move_sese_region_to_fn): Copy eh information to the new function
10864 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10866 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10869 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10871 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10872 into shared libraries.
10874 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10876 * doc/md.texi: Refer to i386/constraints.md instead of
10877 i386/predicates.md.
10878 * config/i386/constraints.md: New file, extracted from...
10879 * config/i386/predicates.md: ...here.
10880 * config/i386/i386.md: Include constraints.md.
10882 2006-03-21 Jason Merrill <jason@redhat.com>
10884 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10886 PR middle-end/20297
10887 * expr.c (init_block_move_fn): Force default visibility.
10888 (init_block_clear_fn): Likewise.
10889 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10890 * targhooks.c (default_external_stack_protect_fail): Likewise.
10892 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10894 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10895 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10896 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10897 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10898 (loadgp): Use mips_current_loadgp_style.
10899 (loadgp_noshared): New pattern.
10900 (sibcall_internal): Use MIPS_CALL.
10901 (sibcall_value_internal): Likewise.
10902 (sibcall_value_multiple_internal): Likewise.
10903 (call_internal): Likewise.
10904 (call_value_internal): Likewise.
10905 (call_value_multiple_internal): Likewise.
10906 (call_split): Use MIPS_CALL and add an 'S' constraint.
10907 (call_value_split): Likewise.
10908 (call_value_multiple_split): Likewise.
10909 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10910 (-mshared): New option.
10911 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10912 (mips_current_loadgp_style): Declare.
10913 * config/mips/mips.c (mips_classify_symbol): Avoid using
10914 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10915 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10916 TARGET_ABSOLUTE_ABICALLS.
10917 (override_options): Adjust comments. Improve the warning that is
10918 issued when -mabicalls and -G are used together.
10919 (mips_file_start): Remove comment.
10920 (mips_current_loadgp_style): New function.
10921 (mips_gnu_local_gp): New variable.
10922 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10924 (mips_output_function_prologue): Use mips_current_laodgp_style.
10925 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10926 the cprestore instruction.
10927 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10928 live for TARGET_ABSOLUTE_ABICALLS.
10929 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10930 (ASM_SPEC): Pass down -mshared and -mno-shared.
10931 (MIPS_CALL): New macro.
10932 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10934 * doc/invoke.texi (-mabicalls): Update documentation.
10935 (-mshared): Document.
10937 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10939 * config/ia64/unwind-hpux.c: New file.
10940 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10942 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10945 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10947 2006-03-21 Jeff Law <law@redhat.com>
10949 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10950 type conversions of a VR_VARYING source to a wider type.
10952 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10954 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10955 tm_file on Solaris 10 and later.
10956 (sparc64-*-solaris2*): Likewise.
10957 (sparc-*-solaris2*): Likewise.
10958 * config/sol26.h: Rename to config/sol2-6.h.
10959 * config/sol2-10.h: New file.
10961 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10964 * tree-ssa-pre.c (create_component_ref_by_pieces):
10967 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10970 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10971 return it immediately.
10973 2006-03-21 Michael Matz <matz@suse.de>
10975 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10977 (remove_arc, add_arc): Update num_out_arcs member.
10978 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10980 (cache_presence): New function.
10981 (compare_states_for_equiv): New function.
10982 (state_is_differed): Don't take number of outargs, adjust callers.
10983 Use new invariant for speeding up.
10984 (init_equiv_class): Create initial classes based on sorted
10986 (partition_equiv_class): Don't track out_arcs_num.
10987 (evaluate_equiv_classes): Call cache_presence on all states and
10990 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10992 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10993 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10994 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10995 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10997 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10998 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10999 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11000 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11001 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11003 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11004 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11005 (REGNO_REG_CLASS): ARGP is in PREGS.
11006 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11008 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11009 to deal with those addresses.
11010 * addresses.h: New file.
11011 * caller-save.c: Include "addresses.h".
11012 (init_caller_save): Use new base_reg_class function.
11013 * rtl-factoring.c: Include "addresses.h".
11014 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11015 * recog.c: Include "addresses.h".
11016 (preprocess_constraints): Use new base_reg_class function.
11017 * regrename.c: Include "addresses.h".
11018 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11019 functions. Keep track of a new var INDEX_CODE to compute valid
11021 (replace_oldest_value_addr): Likewise.
11022 (replace_oldest_value_mem): Use base_reg_class.
11023 * reload.c: Include "addresses.h".
11024 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11025 (find_reloads): Use new base_reg_class function.
11026 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11027 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11028 all callers and prototype changed.
11029 * reload1.c: Include "addresses.h".
11030 (maybe_fix_stack_asms): Use base_reg_class.
11031 * regclass.c: Include "addresses.h".
11032 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11033 (init_reg_autoinc): Use new base_reg_class function.
11034 (record_reg_classes): Likewise.
11035 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11036 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11037 Use new args to compute necessary class.
11039 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11040 regrename.o, rtl-factoring.o): Update dependencies.
11041 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11042 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11043 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11044 REG_OK_FOR_INDEX_P): Delete documentation.
11046 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11048 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11049 from V7 to V9 for Solaris 7 and above.
11051 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11053 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11054 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11055 argument pointers may not alias any other storage.
11056 * common.opt: Define option -fargument-noalias-anything.
11057 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11058 alias semantics is specified by flag_argument_noalias > 2.
11060 2006-03-20 Jeff Law <law@redhat.com>
11062 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11063 (pass_phi_only_cprop): Declare.
11064 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11065 with phi_only_cprop
11066 * tree-ssa-dom.c (degenerate_phi_result): New function.
11067 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11068 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11069 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11070 (eliminate_degenerate_phis): Likewise.
11071 (pass_phi_only_cprop): New pass descriptor.
11072 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11073 support code. Callers updated.
11074 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11075 (store_copy_prop): Likewise.
11076 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11078 2006-03-20 Jason Merrill <jason@redhat.com>
11081 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11082 (push_visibility, pop_visibility): Likewise.
11083 * c-pragma.h: Declare them.
11085 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11087 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11089 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11090 parameter and use get_ebb_head_tail.
11091 (sh_md_init_global): Adjust uses of find_regmode_weight.
11093 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11095 * function.h (struct function) <x_tail_recursion_reentry>:
11096 Rename to x_stack_check_probe_note.
11097 (tail_recursion_reentry): Rename to stack_check_probe_note.
11098 * function.c: Replace tail_recursion_reentry with
11099 stack_check_probe_note everywhere.
11100 (expand_function_start): Only emit a note for
11101 stack_check_probe_note with -fstack-protect.
11102 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11104 * emit-rtl.c (remove_unnecessary_notes): Remove.
11105 (pass_remove_unnecessary_notes): Remove.
11106 * rtl.h (remove_unnecessary_notes): Remove prototype.
11107 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11108 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11109 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11111 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11114 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11115 (valid_in_set): Handle ARRAY_REF.
11116 Change "if min_variant or VH" to asserts.
11117 (create_component_ref_by_pieces): Handle ARRAY_REF.
11118 (create_expression_by_pieces): Likewise.
11119 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11121 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11123 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11124 is operand of switch, not str[0].
11126 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11128 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11129 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11131 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11133 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11134 end of insn_extra_address_constraint declaration.
11136 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11138 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11139 (no-sum-in-toc): Same.
11140 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11142 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11143 NO_FP_IN_TOC for -fPIC instead of mask.
11145 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11146 (BOOT_LDFLAGS): Delete.
11148 * config/rs6000/t-aix52: Same.
11150 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11151 (stmsi[345678]_power): New.
11153 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11155 * config/ia64/ia64.opt: Add empty line to end of file.
11157 2006-03-17 Richard Guenther <rguenther@suse.de>
11159 PR middle-end/26721
11160 * builtins.c (get_pointer_alignment): For component style references
11161 adjust alignment to the component type alignment. Make sure
11162 to adjust alignment for component access of constants.
11164 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11166 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11167 unconditional jump.
11169 2006-03-17 Paul Brook <paul@codesourcery.com>
11171 * doc/install.texi: Docuemnt --with-mode.
11172 * config.gcc: Add --with-mode for arm*-*-*.
11173 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11175 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11177 * sh.c (max_labelno_before_reorg): New variable.
11178 (sh_reorg): Initialize it.
11179 (find_barrier): Check max_labelno_before_reorg before using
11180 label_to_alignment. Take length of explicit alignment insns
11181 into account. When seeing a UNSPECV_CONST_END, return it.
11183 * sh.c (fixup_mova): Set mode of affected label to QImode.
11184 (untangle_mova): New function.
11185 (find_barrier): Use it. Check mode of label before decrementing
11187 (sh_reorg): Likewise.
11188 Set mode of all insns back to VOIDmode.
11190 * sh.c (MOVA_LABELREF): New macro.
11191 (mova_p, fixup_mova, sh_reorg): Use it.
11192 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11193 ADDR_DIFF_VEC matches mova.
11195 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11197 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11198 with ATTRIBUTE_UNUSED.
11200 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11202 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11203 pointer, instead of assuming it is possible to derive the
11204 correct args size from a call insn.
11206 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11208 * rtl.h (CONST_INT_P): Define.
11209 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11210 instead of GET_CODE(x) == CONST_INT.
11211 (vax_rtx_costs): Likewise.
11212 (vax_output_int_move): Likewise.
11213 (vax_output_int_add): Likewise.
11214 (legitimate_constant_address_p): Likewise.
11215 (index_term_p): Likewise.
11216 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11217 * config/vax/vax.md (and<mode>3): Likewise.
11218 (ashrsi3): Likewise.
11220 (movstricthi): Likewise.
11221 (movstrictqi): Likewise.
11222 (rotrsi3): Likewise.
11223 (five unnamed insns): Likewise.
11225 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11227 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11228 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11229 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11230 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11231 Pass to ASM_OUTPUT_DWARF_OFFSET.
11232 * dwarf2out.c (debug_frame_section): New.
11233 (output_call_frame_info): Use debug_frame_section. Pass it to
11234 dw2_asm_output_offset.
11235 (output_die): Pass appropriate section to dw2_asm_output_offset.
11236 (output_compilation_unit_header): Likewise.
11237 (output_pubnames): Likewise.
11238 (output_aranges): Likewise.
11239 (enum dw_val_class): Break dw_val_class_lbl_offset into
11240 dw_val_class_lineptr and dw_val_class_macptr.
11241 (add_AT_lbl_offset): Delete.
11242 (add_AT_lineptr): New.
11243 (add_AT_macptr): New.
11244 (AT_lbl): Expect a lineptr or macptr.
11245 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11246 (attr_checksum): Likewise.
11247 (same_dw_val_p): Likewise.
11248 (size_of_die): Likewise.
11249 (value_format): Likewise.
11250 (output_die): Likewise.
11251 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11253 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11254 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11255 * config/darwin-protos.h (darwin_file_start): New.
11256 (darwin_asm_output_dwarf_offset): New.
11257 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11258 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11260 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11261 if not EH section; simplify.
11262 (darwin_file_start): New.
11263 (darwin_asm_output_dwarf_offset): New.
11264 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11266 (DEBUG_INFO_SECTION): Likewise.
11267 (DEBUG_ABBREV_SECTION): Likewise.
11268 (DEBUG_ARANGES_SECTION): Likewise.
11269 (DEBUG_MACINFO_SECTION): Likewise.
11270 (DEBUG_LINE_SECTION): Likewise.
11271 (DEBUG_LOC_SECTION): Likewise.
11272 (DEBUG_PUBNAMES_SECTION): Likewise.
11273 (DEBUG_STR_SECTION): Likewise.
11274 (DEBUG_RANGES_SECTION): Likewise.
11275 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11276 (ASM_OUTPUT_DWARF_OFFSET): New.
11278 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11280 * config.gcc (tm_defines): Always add to previous value rather
11283 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11285 * config/mips/predicates.md (splittable_const_int_operand): New,
11286 split from move_operand.
11287 (splittable_symbolic_operand): New.
11288 (move_operand): Add commentary. Use splittable_const_int_operand.
11289 Inline mips_atomic_symbolic_constant_p.
11290 * config/mips/mips.md: Add combine splitters for handling moves
11291 of splittable_const_int_operands and splittable_symbolic_operands.
11292 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11293 (mips_split_symbol): Declare.
11294 (mips_move_integer): Declare.
11295 * config/mips/mips.c (mips_split_p): Make global.
11296 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11297 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11298 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11299 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11300 (mips_offset_within_object_p): Handle block symbols.
11301 (mips_atomic_symbolic_constant_p): Delete.
11302 (mips_cannot_force_const_mem): Return false for constants that
11303 mips_legitimize_move can handle.
11304 (mips_use_blocks_for_constant_p): New function.
11305 (mips_split_symbol): Make global.
11306 (mips_move_integer): Likewise. Add a temporary register argument.
11307 (mips_legitimize_const_move): Use splittable_const_int_operand and
11308 splittable_symbolic_operand.
11309 (mips_use_anchors_for_symbol_p): New function.
11310 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11311 (mips_split_p): Declare.
11313 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11315 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11316 (mips*-*-linux*): Likewise.
11318 2006-03-16 Roger Sayle <roger@eyesopen.com>
11319 Daniel Speyer <dspeyer@wam.umd.edu>
11321 PR middle-end/18259
11322 * tree-dump.c (dump_real): New function.
11323 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11324 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11325 (tree-dump.o): Add $(REAL_H) to the dependencies.
11327 2006-03-16 Roger Sayle <roger@eyesopen.com>
11329 PR middle-end/21781
11330 * real.c (real_from_string): If the mantissa is zero, don't bother
11331 parsing the exponent as the result should always be zero.
11333 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11335 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11337 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11339 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11340 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11341 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11342 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11343 ia64_sched_finish_global): New static functions to implement
11344 hooks from gcc_target.sched.
11345 (spec_check_no, max_uid, pending_data_specs): New static variables.
11346 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11347 ia64_spec_check_src_p): New static functions.
11348 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11349 (TARGET_SCHED_ADJUST_COST): Removed.
11350 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11351 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11352 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11353 TARGET_SCHED_GEN_CHECK,
11354 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11355 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11356 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11357 Fixed to handle speculation checks.
11358 (rtx_needs_barrier): Fixed to handle speculative loads and
11360 (ia64_variable_issue): Added code to count speculative loads and their
11362 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11364 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11366 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11368 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11369 (ia64_reorg): Reset stops_p to NULL after it is freed.
11370 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11371 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11372 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11374 (data_speculative, control_speculative, check_load): New attributes.
11375 (mov<mode>_advanced, mov<mode>_speculative,
11376 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11377 zero_extend<mode>di2_speculative,
11378 zero_extend<mode>di2_speculative_advanced): New patterns for
11379 data and control speculative loads.
11380 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11382 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11383 New pattern for data and control speculation checks.
11384 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11385 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11386 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11387 Auxiliary definitions for the patterns.
11388 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11389 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11391 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11393 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11394 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11395 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11396 New resource constraints.
11397 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11399 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11400 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11401 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11402 msched-in-control-spec, msched-ldc, msched-control-ldc,
11403 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11404 msched-prefer-non-control-spec-insns,
11405 msched-count-spec-in-critical-path): New flags to tune speculative
11407 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11408 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11409 msched-in-control-spec, msched-ldc, msched-control-ldc,
11410 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11411 msched-prefer-non-control-spec-insns,
11412 msched-count-spec-in-critical-path): Document new flags.
11414 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11416 * target.h (struct spec_info_def): New opaque declaration.
11417 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11418 speculate_insn, needs_block_p, gen_check,
11419 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11420 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11421 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11422 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11423 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11424 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11426 (TARGET_SCHED): Use new macros.
11427 * rtl.h (copy_DEPS_LIST_list): New prototype.
11428 * sched-int.h (struct sched_info): Change signature of new_ready field,
11429 adjust all initializations. New fields: add_remove_insn,
11430 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11431 region_head_or_leaf_p.
11432 (struct spec_info_def): New structure declaration.
11433 (spec_info_t): New typedef.
11434 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11435 recovery_block, orig_pat.
11436 (glat_start, glat_end): New variables declaraions.
11437 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11439 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11440 DETACH_LIFE_INFO, USE_GLAT.
11441 (enum SPEC_SCHED_FLAGS): New enumeration.
11442 (NOTE_NOTE_BB_P): New macro.
11443 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11444 attach_life_info, debug_spec_status, check_reg_live): New functions.
11445 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11446 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11448 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11449 * ddg.c (get_block_head_tail): Adjust all uses.
11450 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11451 (sms_sched_info): Initialize new fields.
11452 (contributes_to_priority): Removed.
11453 * haifa-sched.c (params.h): New include.
11454 (get_block_head_tail): Adjust all uses.
11455 (ISSUE_POINTS): New macro.
11456 (glat_start, glat_end): New global variables.
11457 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11458 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11459 old_last_basic_block, before_recovery, current_sched_info_var,
11460 rgn_n_insns, luid): New static variables.
11461 (insn_cost1): New function. Move logic from insn_cost to here.
11462 (find_insn_reg_weight1): New function. Move logic from
11463 find_insn_reg_weight to here.
11464 (reemit_notes, move_insn, max_issue): Change signature.
11465 (move_insn1): Removed.
11466 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11467 extend_bb): New static functions to support extension of scheduler's
11469 (generate_recovery_code, process_insn_depend_be_in_spec,
11470 begin_speculative_block, add_to_speculative_block,
11471 init_before_recovery, create_recovery_block, create_check_block_twin,
11472 fix_recovery_deps): New static functions to support
11473 generation of recovery code.
11474 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11475 restore_bb_notes, move_block_after_check, move_succs): New static
11476 functions to support ebb scheduling.
11477 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11478 functions to support handling of register live information.
11479 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11480 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11481 add_jump_dependencies): New static functions.
11482 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11483 consistancy checking.
11484 (debug_spec_status): New function to call from debugger.
11485 (priority): Added code to handle speculation checks.
11486 (rank_for_schedule): Added code to distinguish speculative instructions.
11487 (schedule_insn): Added code to handle speculation checks.
11488 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11489 Fixed to handle ebbs.
11490 (move_insn): Added code to handle ebb scheduling.
11491 (max_issue): Added code to use ISSUE_POINTS of instructions.
11492 (choose_ready): Added code to choose between speculative and
11493 non-speculative instructions.
11494 (schedule_block): Added code to handle ebb scheduling and scheduling of
11495 speculative instructions.
11496 (sched_init): Initialize new variables.
11497 (sched_finish): Free new variables. Print statistics.
11498 (try_ready): Added code to handle speculative instructions.
11499 * lists.c (copy_DEPS_LIST_list): New function.
11500 * sched-deps.c (extend_dependency_caches): New function. Move logic
11501 from create_dependency_caches to here.
11502 (get_dep_weak, ds_merge): Make global.
11503 * genattr.c (main): Code to output prototype for
11504 dfa_clear_single_insn_cache.
11505 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11506 (output_dfa_clean_insn_cache_func): Code to output
11507 dfa_clear_single_insn_cache function.
11508 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11510 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11512 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11513 New static variables.
11514 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11515 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11517 (ebb_sched_info): Initialize new fields.
11518 (get_block_head_tail): Adjust all uses.
11519 (compute_jump_reg_dependencies): Fixed to use glat_start.
11520 (schedule_ebb): Code to remove unreachable last block.
11521 (schedule_ebbs): Added code to update register live information.
11522 * sched-rgn.c (region_sched_info): Initialize new fields.
11523 (get_block_head_tail): Adjust all uses.
11524 (last_was_jump): Removed. Adjust users.
11525 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11526 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11527 Implement new hooks.
11528 (check_dead_notes1): New static function.
11529 (struct region): New fields: dont_calc_deps, has_real_ebb.
11530 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11531 (BB_TO_BLOCK): Fixed to handle EBBs.
11532 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11533 (ebb_head): New static variable.
11534 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11535 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11537 (compute_dom_prob_ps): New assertion.
11538 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11539 global_live_at_start.
11540 (init_ready_list): New assertions.
11541 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11542 (new_ready): Add support for BEGIN_CONTROL speculation.
11543 (schedule_insns): Fixed code that updates register live information
11545 (schedule_region): Fixed to handle EBBs.
11546 (init_regions): Use extend_regions and check_dead_notes1.
11547 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11548 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11549 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11550 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11551 TARGET_SCHED_GEN_CHECK,
11552 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11553 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11554 * doc/invoke.texi (max-sched-insn-conflict-delay,
11555 sched-spec-prob-cutoff): Document.
11557 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11559 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11560 inter_tick, queue_index.
11561 (struct sched_info): Change signature of init_ready_list field.
11562 Adjust all initializations.
11563 (RESOLVED_DEPS): New access macro.
11564 (ready_add): Remove prototype.
11565 (try_ready): Add prototype.
11566 * sched-rgn.c (init_ready_list): Use try_ready.
11567 (schedule_region): Initialize
11568 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11569 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11570 (init_ready_list): Use try_ready.
11571 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11572 * lists.c (remove_list_elem): Remove `static'.
11573 (remove_free_INSN_LIST_elem): New function.
11574 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11575 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11576 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11578 (readyp): New variable.
11579 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11580 change_queue_index, resolve_dep): New static functions.
11581 (try_ready): New function. Adjust callers in sched-rgn.c and
11582 sched-ebb.c to use it instead of ready_add.
11583 (clock_var): Move at the begining of file.
11584 (rank_for_schedule): Fix typo.
11585 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11586 (ready_lastpos): Enforce assertion.
11587 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11588 update all callers.
11589 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11590 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11591 (queue_to_ready): Use free_INSN_LIST_list.
11592 (early_queue_to_ready): Fix typo.
11593 (schedule_block): Init readyp. Move init_ready_list call after the
11594 initialization of clock_var. Fix error in rejecting insn by
11595 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11596 that previously corrected INSN_TICKs. Add code for handling
11598 (set_priorities): Fix typo.
11599 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11600 Clarify comment and code that keeps current_sched_info->next_tail
11603 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11605 * sched-rgn.c (extend_rgns): New static function.
11606 (find_rgns): Use it.
11607 (gather_region_statistics, print_region_statistics): New static
11609 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11610 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11612 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11613 Andrey Belevantsev <abel@ispras.ru>
11615 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11616 * lists.c (unused_deps_list): New variable.
11617 (free_list): Add assertions to verify the proper distinguishing
11618 between INSN_LISTs and DEPS_LISTs.
11619 (find_list_elem, remove_list_elem, remove_list_node): New static
11621 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11622 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11623 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11624 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11626 (free_INSN_LIST_node): Likewise.
11627 * modulo-sched.c (current_sched_info): Initialize flags field.
11628 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11629 * rtl.def (DEPS_LIST): Define.
11630 * rtl.h: Declare new functions from lists.c.
11631 * sched-deps.c (spec_dependency_cache): New static variable.
11632 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11633 (add_dependence): Change return type to void. Move the logic to ...
11634 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11635 (delete_all_dependences): Add comment about forward_dependency_cache.
11636 Handle spec_dependency_cache. Handle DEPS_LISTs.
11637 (fixup_sched_groups): Clarify the change of priority of output
11638 and anti dependencies.
11639 (sched_analyze_2): Adjust add_dependence calls to create data
11640 speculative dependence.
11641 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11642 Adjust all callers. Handle DEPS_LISTS.
11643 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11644 presence of speculation.
11645 (init_dependency_caches, free_dependency_caches):
11646 Handle spec_dependency_cache.
11647 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11648 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11649 New static functions.
11650 (add_or_update_back_dep, add_or_update_back_forw_dep,
11651 add_back_forw_dep, delete_back_forw_dep): New functions.
11652 * sched-int.h (ds_t, dw_t): New typedefs.
11653 (struct sched_info): Add new field flags.
11654 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11655 Prototype new sched-deps.c functions.
11656 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11657 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11658 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11659 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11660 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11661 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11663 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11665 * sched-rgn.c (current_sched_info): Initialize flags field.
11666 (schedule_insns): Initialize current_sched_info before the sched_init
11668 * sched-ebb.c (current_sched_info): Initialize flags field.
11669 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11670 Call add_or_update_back_dep instead of add_dependence.
11671 Create control speculative dependencies.
11672 (schedule_insns): Initialize current_sched_info before the sched_init
11675 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11677 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11679 (sh_fallback_frame_state): Likewise.
11681 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11683 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11684 Do switch on default_use_cxa_atexit.
11685 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11686 * config/darwin-crt3.o: New.
11687 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11688 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11689 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11691 * config/rs6000/t-darwin: Move crt2.o building to here.
11692 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11693 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11696 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11698 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11699 from '! xxx' to '!xxx' for coding-style conformance.
11700 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11701 (EXTRA_CONSTRAINT): Likewise.
11702 * config/vax/vax.md (four unnamed insns): Likewise.
11704 2006-03-15 Paul Brook <paul@codesourcery.com>
11706 * config/arm/arm.c (minipool_pad): New.
11707 (add_minipool_forward_ref): Include pool alignment padding in address
11709 (push_minipool_fix): Set minipool_pad.
11710 (minipool_pad): Ditto.
11712 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11714 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11715 instead of GET_CODE() == MEM and REG_P() instead of
11717 (print_operand_address): Likewise.
11718 (vax_address_cost): Likewise.
11719 (vax_rtx_costs): Likewise.
11720 (vax_notice_update_cc): Likewise.
11721 (vax_output_int_add): Likewise.
11722 (INDEX_REGISTER_P): Likewise.
11723 (BASE_REGISTER_P): Likewise.
11724 (nonindexed_address_p): Likewise.
11725 (vax_mode_dependent_address_p): Likewise.
11726 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11727 (PRINT_OPERAND): Likewise.
11728 * config/vax/vax.md (ashlsi3): Likewise.
11729 (ashlsi3): Likewise.
11730 (some more unnamed insns): Likewise.
11732 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11734 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11735 iterator-style macro.
11736 (mark_control_dependent_edges_necessary): Update the use of
11737 EXECUTE_IF_CONTROL_DEPENDENT.
11739 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11741 * config/sh/predicates.md (cache_address_operand): Special.
11742 (ua_address_operand): Likewise.
11744 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11746 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11748 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11750 2006-03-15 Andreas Schwab <schwab@suse.de>
11752 * gensupport.c (identify_predicable_attribute): Don't free p_false
11753 when it is still in use.
11755 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11757 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11758 the default setting here.
11760 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11762 * tree-pass.h (pass_cfg): Remove.
11763 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11764 * passes.c (pass_cfg): Don't run it.
11766 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11768 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11769 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11771 (stack_regs_mentioned): Update the uses of
11772 stack_regs_mentioned_data. Don't access the array beyond its
11774 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11775 Don't include gt-reg-stack.h.
11777 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11778 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11780 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11782 PR middle-end/26684
11783 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11786 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11788 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11790 2006-03-14 Richard Guenther <rguenther@suse.de>
11792 PR tree-optimization/26672
11793 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11796 2006-03-14 Richard Guenther <rguenther@suse.de>
11798 PR tree-optimization/26667
11799 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11800 node for the callees. Always allow inlining if it will shrink
11803 2006-03-14 Richard Guenther <rguenther@suse.de>
11805 PR middle-end/26659
11806 * builtins.c (get_pointer_alignment): Prefer alignment
11807 information from decls over that from types.
11809 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11812 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11814 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11816 * config/rs6000/rs6000.opt (mdlmzb): New option.
11817 (msched-prolog, msched-epilog): Use Var not Mask.
11818 * doc/invoke.texi (-mdlmzb): Document.
11819 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11821 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11822 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11824 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11826 PR rtl-optimization/25739
11827 * bt-load.c (augment_live_range): Free tos pointer.
11829 * gensupport.c (identify_predicable_attribute): Free
11831 * gcov.c (create_file_names): Free name pointer.
11833 2006-03-13 Roger Sayle <roger@eyesopen.com>
11835 PR middle-end/26557
11836 * stmt.c (emit_case_nodes): Handle the case where the index is a
11837 CONST_INT, where the comparison mode is specified by the index type.
11839 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11841 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11844 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11846 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11847 (*branch_fp_inverted): Likewise.
11849 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11851 PR middle-end/25989
11852 * omp-low.c (expand_omp_for_generic): Mark istart0
11853 and iend0 as addressable.
11855 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11857 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11859 2006-03-13 Jeff Law <law@redhat.com>
11861 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11862 virtual operands are interesting.
11863 (vrp_visit_stmt): Corresponding changes.
11865 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11867 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11869 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11870 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11871 * config/bfin/crti.S: Use it instead of __PIC__.
11872 * config/bfin/crtn.S: Likewise.
11874 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11875 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11877 Lose 'G' modifier for call operand.
11878 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11879 recognize 'G' modifier.
11881 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11883 PR middle-end/18859
11884 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11885 * stmt.c (expand_case): Likewise.
11887 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11889 PR rtl-optimization/26254
11890 * loop-invariant.c (seq_insns_valid_p): New function.
11891 (move_invariant_reg): Only emit new code if it is valid.
11893 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11895 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11897 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11898 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11899 (commit_one_edge_insertion): Do not look for loop notes.
11901 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11903 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11904 flag_test_coverage out of loop.
11906 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11908 * final.c (shorten_branches): Remove outdated comment, and turn
11909 the if branch that guards it to continue.
11911 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11913 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11914 * cfgloop.h (struct loop): Remove unused fields.
11916 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11918 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11919 (-dL, -fdump-rtl-loop2): Update the dump file names
11921 * doc/invoke.texi: Update dump file names.
11923 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11925 * predict.c (estimate_probability): Remove.
11926 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11927 * basic-block.h (estimate_probability): Remove prototype.
11928 * passes.c (finish_optimization_passes): Dump branch prediction or
11929 profiling heuristics to the .profile tree dump.
11930 (init_optimization_passes): Unqueue pass_branch_prob.
11932 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11934 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11936 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11937 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11939 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11941 * function.h (frame_offset_overflow): Declare.
11942 * function.c (frame_offset_overflow): New function.
11943 (assign_stack_local_1): Call it to detect that the offset overflows.
11944 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11946 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11948 * config/sh/sh.c: Include alloc-pool.h.
11949 (label_ref_list_pool): New alloc pool.
11950 (label_ref_list_t): New type for lists of labels.
11951 (struct pool_node): Make wend a label_ref_list_t.
11952 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11954 (dump_table): Likewise.
11955 (sh_reorg): Set up the alloc pool before using add_constant and
11956 dump_table, and destroy it when finishing.
11958 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11960 * config/mips/mips.c: Remove redundant comment.
11962 2006-03-10 Jason Merrill <jason@redhat.com>
11965 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11966 the target was declared 'register'.
11968 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11970 * genpreds.c (write_insn_constraint_len): Change definition of
11971 insn_constraint_len to return size_t to match the declaration.
11973 2006-03-10 DJ Delorie <dj@redhat.com>
11975 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11977 (m32c_expand_insv): Fix test for an AND mask.
11979 2006-03-10 Richard Guenther <rguenther@suse.de>
11981 PR middle-end/26565
11982 * builtins.c (get_pointer_alignment): Handle component
11983 references for field alignment.
11985 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11987 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11988 when building with libgloss.
11989 (sh*elf): Implement --without-fp option.
11990 (sh64-superh-linux*): Don't multilib.
11992 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11994 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11996 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11998 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11999 Set it when one of the replacement functions returned true.
12000 Return TODO_cleanup_cfg if cfgchanged is true.
12001 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12003 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12005 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12006 instead of gen_lowpart.
12008 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12010 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12012 (mips_output_order_conditional_branch): Declare.
12013 * config/mips/mips.h (MIPS_BRANCH): New macro.
12014 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12015 for the comparison. Use gen_condjump.
12016 (mips_output_conditional_branch): Rework interface to take the
12017 asm templates for a direct branch and the inverse of a direct branch.
12018 (mips_output_order_conditional_branch): New function.
12019 (mips_builtin_branch_and_move): New function.
12020 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12021 branch condition. Use gen_single_cc as the condition for
12022 __builtin_mips_upper_* or __builtin_mips_lower_*.
12023 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12024 Use VOIDmode for the branch condition.
12025 * config/mips/predicates.md (order_operator): New predicate.
12026 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12027 (branch_fp): Rename to...
12028 (*branch_fp): ...this. Remove mode from comparison operator.
12029 Use new mips_output_conditional_branch interface.
12030 (branch_fp_inverted): Rename to...
12031 (*branch_fp_inverted): ...this and update as for *branch_fp.
12032 (*branch_zero<mode>): Rename to...
12033 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12034 Use mips_output_order_conditional_branch. Only accept ordered
12036 (*branch_zero<mode>_inverted): Rename to...
12037 (*branch_order<mode>_inverted): ...this and update as for
12038 *branch_order<mode>.
12039 (*branch_equality<mode>): Accept zero as the second operand to
12040 the equality operator. Use the new mips_output_conditional_branch
12042 (*branch_equality<mode>_inverted): Likewise.
12043 (condjump): New expander.
12044 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12046 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12047 (bc1any2t, bc1any2f): Likewise.
12048 (single_cc): New expander.
12049 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12051 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12053 * doc/md.texi: Update documentation of MIPS constraints.
12054 * config/mips/constraints.md: New file.
12055 * config/mips/mips.md: Include it.
12056 * config/mips/mips.c (mips_char_to_class): Delete.
12057 (override_options): Don't initialize mips_char_to_class.
12058 * config/mips/mips.h (mips_char_to_class): Delete.
12059 (REG_CLASS_FROM_LETTER): Delete.
12060 (CONST_OK_FOR_LETTER_P): Delete.
12061 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12062 (EXTRA_CONSTRAINT_Y): Delete.
12063 (EXTRA_CONSTRAINT_STR): Delete.
12064 (CONSTRAINT_LEN): Delete.
12065 (EXTRA_MEMORY_CONSTRAINT): Delete.
12067 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12069 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12070 original fn's eh regions.
12072 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12074 * fold-const.c (build_range_check): Make sure to use a valid type to
12075 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12078 (range_predecessor): New static function.
12079 (range_successor): Likewise.
12080 (merge_ranges): Use them to compute predecessors and successors of
12083 2006-03-09 Roger Sayle <roger@eyesopen.com>
12085 PR middle-end/26561
12086 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12087 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12089 2006-03-08 DJ Delorie <dj@redhat.com>
12091 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12092 (addpsi3): Expand to include memory operands. Remove
12093 reload-specific splits.
12094 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12095 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12096 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12097 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12098 (shift1_qi, shift1_hi, insv): New.
12099 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12100 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12101 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12103 * config/m32c/m32c-protos.h: Update as needed.
12104 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12105 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12106 Fail for unrecognized R* constraints.
12107 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12108 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12109 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12111 (m32c_init_libfuncs): New.
12112 (m32c_legitimate_address_p): Add debug wrapper.
12113 (m32c_rtx_costs): New.
12114 (m32c_address_cost): New.
12115 (conversions): Add 'B' prefix.
12116 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12117 operands, or word regnames for QI operands. 'B' prints bit
12119 (m32c_expand_setmemhi): New.
12120 (m32c_expand_movmemhi): New.
12121 (m32c_expand_movstr): New.
12122 (m32c_expand_cmpstr): New.
12123 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12124 (m32c_expand_neg_mulpsi3): Handle non-ints.
12125 (m32c_cmp_flg_0): New.
12126 (m32c_expand_movcc): New.
12127 (m32c_expand_insv): New.
12128 (m32c_scc_pattern): New.
12129 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12130 a0/a1 out of SIregs.
12131 (STORE_FLAG_VALUE): New.
12132 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12135 * config/m32c/mov.md: Make constraints more liberal.
12136 (zero_extendqihi2): Optimize r0/r1 case.
12137 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12138 * config/m32c/predicates.md (m32c_any_operand): New.
12139 (m32c_nonimmediate_operand): New.
12140 (m32c_hl_operand): New.
12141 (m32c_r3_operand): New.
12144 (memsym_operand): New.
12145 (memimmed_operand): New.
12146 (a_qi_operand): New.
12147 (m32c_eqne_operator): New.
12148 (m32c_1bit8_operand): New.
12149 (m32c_1bit16_operand): New.
12150 (m32c_1mask8_operand): New.
12151 (m32c_1mask16_operand): New.
12152 * config/m32c/blkmov.md: New file.
12153 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12155 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12157 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12158 unsigned to fix signed/unsigned comparison issue in
12159 DWARF2_FRAME_REG_OUT.
12160 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12161 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12163 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12164 of ptr into the ENABLE_CHECKING section.
12166 2006-03-08 Jeff Law <law@redhat.com>
12168 * tree-vrp.c (infer_value_range): Only count pointer uses
12169 and dereferences if -fdelete-null-pointer-checks is enabled.
12171 * tree-vrp.c (find_assert_locations): Infer value ranges for
12172 single use pointers, but do not create ASSERT_EXPRs for them.
12173 When a non-null range is inferred for a pointer, backwards
12174 propagate that range to other equivalent pointers through the
12177 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12180 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12181 language hook targets.
12182 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12183 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12184 if language hook targets were missing.
12186 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12188 * tree-ssa-opfinalize.h: Removed.
12189 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12191 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12192 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12193 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12194 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12195 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12196 finalize_ssa_v_must_def_ops): New.
12198 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12200 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12201 block as parameter.
12203 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12205 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12207 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12208 addresses with offsets; reorganize.
12210 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12211 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12212 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12214 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12217 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12219 2006-03-08 Ben Elliston <bje@au.ibm.com>
12221 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12223 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12226 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12229 2006-03-07 Richard Guenther <rguenther@suse.de>
12231 PR tree-optimization/26587
12232 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12234 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12236 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12238 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12240 * hooks.c (hook_bool_mode_rtx_true): New function.
12241 * hooks.h (hook_bool_mode_rtx_true): Declare.
12242 * toplev.c (compile_file): Call output_shared_constant_pool.
12243 * varasm.c (shared_constant_pool): New variable.
12244 (assemble_start_function, assemble_end_function): Remove arguments
12245 from call to output_constant_pool.
12246 (create_constant_pool): New function, split out from...
12247 (init_varasm_status): ...here.
12248 (force_const_mem): Choose between the shared and per-function constant
12249 pools. Set current_function_uses_const_pool when reusing old entries
12250 as well as when creating new ones.
12251 (mark_constant): Ignore data argument.
12252 (mark_constants): Remove pool argument.
12253 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12254 to decide whether the function uses a constant pool.
12255 (output_constant_pool_contents): New function, split out from...
12256 (output_constant_pool): ...here.
12257 (output_shared_constant_pool): New function.
12258 (init_varasm_once): Initialize shared_constant_pool.
12259 * output.h (output_constant_pool): Delete.
12260 (output_shared_constant_pool): Declare.
12261 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12262 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12264 2006-03-06 Nick Clifton <nickc@redhat.com>
12266 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12267 flag_strength_reduce.
12269 2006-03-06 Ben Elliston <bje@au.ibm.com>
12271 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12272 x86_64-*-linux* configurations.
12274 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12275 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12277 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12279 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12281 * basic-block.h: Remove the extern for
12282 rediscover_loops_after_threading.
12284 * cfgloop.c (cancel_loop): Make it static.
12285 * cfgloop.h: Remove the prototype for cancel_loop.
12287 * flow.c (recompute_reg_usage): Make it static.
12288 * rtl.h: Remove the prototype for recompute_reg_usage.
12290 * function.c (use_return_register): Make it static.
12291 * function.h: Remove the prototype.
12293 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12295 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12297 * recog.h: Remove the prototype for
12298 validate_change_maybe_volatile.
12300 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12302 * rtlanal.c (replace_reg): Remove.
12303 * rtl.h: Remove the prototype for replace_reg.
12305 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12307 * regclass.c (reg_scan_update): Remove.
12308 (reg_scan_mark_refs): Remove the last argument.
12309 * rtl.h: Remove the prototype for reg_scan_update.
12311 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12313 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12314 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12315 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12316 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12317 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12318 loop-invariant.c, omp-low.c, opts.c, passes.c,
12319 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12320 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12321 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12322 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12323 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12324 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12326 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12328 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12329 * dwarf2out.h: Remove the prototype for
12330 dwarf2out_add_library_unit_info.
12332 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12334 * tree.c (add_var_to_bind_expr): Remove.
12335 * tree.h: Remove the prototype for add_var_to_bind_expr.
12337 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12339 * regclass.c (n_non_fixed_regs): Remove.
12340 (init_reg_sets_1, globalize_reg): Remove all uses of
12342 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12344 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12346 * rtlanal.c (insns_safe_to_move_p): Remove.
12347 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12349 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12351 * expmed.c (expand_mult_add): Remove.
12352 * expr.h: Remove the prototype for expand_mult_add.
12354 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12356 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12357 and REG_SAVED_VAL_EXP constants.
12358 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12359 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12360 Handle regs stored by value.
12361 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12362 (execute_cfa_program): Handle DW_CFA_val_offset,
12363 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12364 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12365 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12366 (uw_install_context_1): Handle target regs stored by value.
12368 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12370 * tree-sra.c (tree_sra): Return todoflags;
12371 (generate_one_element): Set TODO_update_smt_usage if needed.
12372 (pass_sra): Remove TODO_update_smt_usage.
12373 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12375 (tree_ssa_forward_propagate_single_use_vars): Return
12376 TODO_update_smt_usage if we need to update SMT usage.
12377 (pass_forwprop): Remove TODO_update_smt_usage.
12379 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12381 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12382 (correct_use_link): Remove reference to get_stmt_operands.
12383 (update_stmt_operands): Likewise.
12384 (get_modify_expr_operands): New function factored out of
12385 parse_ssa_operands and get_expr_operands.
12386 Try to create V_MUST_DEFs for LHS by default.
12387 (get_expr_operands) <case MODIFY_EXPR>: Call
12388 get_modify_expr_operands.
12389 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12390 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12391 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12392 get_modify_expr_operands.
12394 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12396 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12397 * tree-flow.h: Remove the prototype for
12398 referenced_var_lookup_if_exists.
12400 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12402 PR rtl-optimization/26345
12404 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12406 2006-03-03 Roger Sayle <roger@eyesopen.com>
12408 PR tree-optimization/26524
12409 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12410 fold_convert to create a constant of the appropriate type.
12412 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12414 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12415 SYMBOL_REF_IN_BLOCK_P.
12416 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12417 of SYMBOL_FLAG_IN_BLOCK.
12418 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12419 instead of SYMBOL_REF_IN_BLOCK_P.
12420 * explow.c (use_anchored_address): Likewise.
12421 * rtl.c (rtx_size): Likewise.
12422 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12423 instead of SYMBOL_FLAG_IN_BLOCK.
12424 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12425 SYMBOL_REF_IN_BLOCK_P.
12426 (assemble_variable): Likewise.
12427 (output_constant_def_contents): Likewise.
12428 (output_constant_pool): Likewise.
12429 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12430 instead of SYMBOL_FLAG_IN_BLOCK.
12431 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12432 SYMBOL_REF_IN_BLOCK_P.
12433 (SYMBOL_REF_BLOCK): Likewise.
12434 (SYMBOL_REF_OFFSET): Likewise.
12435 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12436 SYMBOL_REF_IN_BLOCK_P.
12437 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12438 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12439 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12440 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12442 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12444 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12446 2006-03-02 Roger Sayle <roger@eyesopen.com>
12448 * simplify-rtx.c (simplify_unary_operation): When simplifying
12449 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12450 that we perform the right shift in the appropriate mode, and
12451 then extend or truncate the result to requested mode.
12453 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12455 * gengtype.c (main): Handle double_int type.
12456 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12457 * double-int.c: New file.
12458 * double-int.h: New file.
12459 * system.h: Include doubleint.h.
12460 * Makefile.in (SYSTEM_H): Include double-int.h.
12461 (double-int.o): Add.
12463 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12466 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12469 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12471 * tree-vrp.c (remove_range_assertions): Do not update statements
12474 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12476 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12478 * gcse.c (rest_of_handle_gcse): Ditto.
12479 * except.c (gate_handle_eh): Ditto.
12480 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12481 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12483 2006-03-02 Eric Christopher <echristo@apple.com>
12485 * config/i386/i386.c (machopic_output_stub): Add indirection to
12488 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12492 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12494 Sun Niagara specific optimizations.
12495 * config.gcc: Recognize niagara as target.
12496 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12497 (TARGET_CPU_niagara): Define.
12498 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12499 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12500 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12501 (ASM_CPU_SPEC): Likewise.
12502 (PROCESSOR_NIAGARA): New enum entry.
12503 (REGISTER_MOVE_COST): Handle Niagara.
12504 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12505 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12506 (sparc_override_options): Recognize "niagara", set appropriate
12507 default MASK_* values for it, and align functions to 32-bytes
12508 by default just like ULTRASPARC/ULTRASPARC3.
12509 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12510 (sparc64_initialize_trampoline): Likewise.
12511 (sparc_use_sched_lookahead): Use zero for niagara.
12512 (sparc_issue_rate): Use one for niagara.
12513 * config/sparc/niagara.md: New file.
12514 * config/sparc/sparc.md: Include it.
12515 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12516 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12517 when default cpu is niagara.
12518 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12519 (ASM_CPU_SPEC): Likewise.
12520 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12521 when default cpu is niagara.
12522 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12523 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12524 just like v9/ultrasparc/ultrasparc3.
12525 * doc/invoke.texi: Add documentation for "niagara" and improve
12526 existing documentation for ultrasparc variants.
12528 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12530 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12532 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12534 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12535 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12536 and say that only one is needed.
12537 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12538 * target.h (have_switchable_bss_sections): New hook.
12539 * explow.c (use_anchored_address): Check that the symbol is in a block.
12540 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12541 (bss_noswitch_section): New variables.
12542 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12543 (get_noswitch_section): New function.
12544 (get_block_for_section): Allow SECT to be null.
12545 (unlikely_text_section_p): Use SECTION_STYLE.
12546 (bss_initializer_p): New function.
12547 (get_variable_section): Move earlier in file. Take a new argument,
12548 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12549 Return one of the new *_sections in such cases.
12550 (get_block_for_decl): New function, extracting some logic from
12551 use_blocks_for_decl_p.
12552 (change_symbol_section): Remove in favor of...
12553 (change_symbol_block): ...this new function.
12554 (use_blocks_for_decl_p): Remove checks now performed by
12555 get_block_for_decl.
12556 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12557 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12558 (emit_local, emit_bss, emit_common): ...these new functions.
12559 Return true if the alignment was honored.
12560 (emit_tls_common): New function.
12561 (asm_emit_uninitialised): Delete.
12562 (assemble_variable_noswitch): New function, split out from...
12563 (assemble_variable): ...here. Don't make decisions about common
12564 variables here. Globalize all public decls that go into non-common
12565 sections. Check whether SYMBOL_REF_BLOCK is null.
12566 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12567 (output_constant_pool): Likewise.
12568 (init_varasm_once): Initialize the new section variables.
12569 (have_global_bss_p): New function.
12570 (categorize_decl_for_section): Use bss_initializer_p.
12571 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12572 (place_block_symbol): Assert that the symbol must be in a block.
12573 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12574 (TARGET_INITIALIZER): Include it.
12575 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12576 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12577 (SECTION_MACH_DEP): Bump by two.
12578 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12579 (unnamed_section): Mention SECTION_UNNAMED in comment.
12580 (named_section): Likewise SECTION_NAMED.
12581 (noswitch_section_callback): New type.
12582 (noswitch_section): New structure.
12583 (section): Add a noswitch_section alternative.
12584 (SECTION_STYLE): New macro.
12585 (tls_comm_section, comm_section, lcomm_section): Declare.
12586 (bss_noswitch_section, have_global_bss_p): Declare.
12587 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12588 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12590 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12591 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12594 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12596 * tree-vrp.c (execute_vrp): Return value.
12597 * regrename.c (rest_of_handle_regrename): Ditto.
12598 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12599 * tree-complex.c (tree_lower_complex): Ditto.
12600 (tree_lower_complex_O0): Ditto.
12601 * tracer.c (rest_of_handle_tracer): Ditto.
12602 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12603 * postreload.c (rest_of_handle_postreload): Ditto.
12604 * tree-tailcall.c (execute_tail_recursion): Ditto.
12605 (execute_tail_calls): Ditto.
12606 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12607 * tree.h (init_function_for_compilation): Ditto.
12608 * ipa-cp.c (ipcp_driver): Ditto.
12609 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12610 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12611 * final.c (compute_alignments): Ditto.
12612 (rest_of_handle_final): Ditto.
12613 (rest_of_handle_shorten_branches): Ditto.
12614 (rest_of_clean_state): Ditto.
12615 * omp-low.c (execute_expand_omp): Ditto.
12616 (execute_lower_omp): Ditto.
12617 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12618 * ipa-reference.c (static_execute): Ditto.
12619 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12620 * reorg.c (rest_of_handle_delay_slots): Ditto.
12621 (rest_of_handle_machine_reorg): Ditto.
12622 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12623 * flow.c (recompute_reg_usage): Ditto.
12624 (rest_of_handle_remove_death_notes): Ditto.
12625 (rest_of_handle_life): Ditto.
12626 (rest_of_handle_flow2): Ditto.
12627 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12628 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12629 (do_ssa_store_ccp): Ditto.
12630 (execute_fold_all_builtins): Ditto.
12631 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12632 * modulo-sched.c (rest_of_handle_sms): Ditto.
12633 * ipa-pure-const.c (static_execute): Ditto.
12634 * cse.c (rest_of_handle_cse): Ditto.
12635 (rest_of_handle_cse2): Ditto.
12636 * web.c (rest_of_handle_web): Ditto.
12637 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12638 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12639 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12640 * tree-nrv.c (tree_nrv): Ditto.
12641 (execute_return_slot_opt): Ditto.
12642 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12643 (create_structure_vars): Ditto.
12644 * loop-init.c (rtl_loop_init): Ditto.
12645 (rtl_loop_done): Ditto.
12646 (rtl_move_loop_invariants): Ditto.
12647 (rtl_unswitch): Ditto.
12648 (rtl_unroll_and_peel_loops): Ditto.
12649 (rtl_doloop): Ditto.
12650 * gimple-low.c (lower_function_body): Ditto.
12651 (mark_used_blocks): Ditto.
12652 * tree-ssa-sink.c (execute_sink_code): Ditto.
12653 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12654 (cgraph_early_inlining): Ditto.
12655 * global.c (rest_of_handle_global_alloc): Ditto.
12656 * jump.c (cleanup_barriers): Ditto.
12657 (purge_line_number_notes): Ditto.
12658 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12659 (rest_of_handle_if_after_reload): Ditto.
12660 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12661 (tree_ssa_loop_im): Ditto.
12662 (tree_ssa_loop_unswitch): Ditto.
12663 (tree_vectorize): Ditto.
12664 (tree_linear_transform): Ditto.
12665 (tree_ssa_loop_ivcanon): Ditto.
12666 (tree_ssa_empty_loop): Ditto.
12667 (tree_ssa_loop_bounds): Ditto.
12668 (tree_complete_unroll): Ditto.
12669 (tree_ssa_loop_prefetch): Ditto.
12670 (tree_ssa_loop_ivopts): Ditto.
12671 (tree_ssa_loop_done): Ditto.
12672 * predict.c (tree_estimate_probability): Ditto.
12673 * recog.c (split_all_insns_noflow): Ditto.
12674 (rest_of_handle_peephole2): Ditto.
12675 (rest_of_handle_split_all_insns): Ditto.
12676 * tree-eh.c (lower_eh_constructs): Ditto.
12677 * regmove.c (rest_of_handle_regmove): Ditto.
12678 (rest_of_handle_stack_adjustments): Ditto.
12679 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12680 * function.c (instantiate_virtual_regs): Ditto.
12681 (init_function_for_compilation): Ditto.
12682 (rest_of_handle_check_leaf_regs): Ditto.
12683 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12684 (rest_of_handle_gcse): Ditto.
12685 * ipa-type-escape.c (type_escape_execute): Ditto.
12686 * alias.c (rest_of_handle_cfg): Ditto.
12687 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12688 * profile.c (rest_of_handle_branch_prob): Ditto.
12689 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12690 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12691 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12692 * tree-dfa.c (find_referenced_vars): Ditto.
12693 * except.c (set_nothrow_function_flags): Ditto.
12694 (convert_to_eh_region_ranges): Ditto.
12695 (rest_of_handle_eh): Ditto.
12696 * emit-rtl.c (unshare_all_rtl): Ditto.
12697 (remove_unnecessary_notes): Ditto.
12698 * except.h (set_nothrow_function_flags): Ditto.
12699 (convert_to_eh_region_ranges): Ditto.
12700 * cfgexpand.c (tree_expand_cfg): Ditto.
12701 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12702 * tree-ssa-pre.c (do_pre): Ditto.
12703 (execute_fre): Ditto.
12704 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12705 (rest_of_handle_jump2): Ditto.
12706 * tree-sra.c (tree_sra): Ditto.
12707 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12708 (execute_mudflap_function_decls): Ditto.
12709 * tree-ssa-copy.c (do_copy_prop): Ditto.
12710 (do_store_copy_prop): Ditto.
12711 * ipa-prop.h (ipcp_driver): Ditto.
12712 * cfglayout.c (insn_locators_initialize): Ditto.
12713 * tree-ssa-forwprop.c
12714 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12715 * cfglayout.h (insn_locators_initialize): Ditto.
12716 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12717 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12718 (execute_late_warn_uninitialized): Ditto.
12719 * rtl.h (cleanup_barriers): Ditto.
12720 (split_all_insns_noflow): Ditto.
12721 (purge_line_number_notes): Ditto.
12722 (unshare_all_rtl): Ditto.
12723 (remove_unnecessary_notes): Ditto.
12724 (recompute_reg_usage): Ditto.
12725 (variable_tracking_main): Ditto.
12726 * integrate.c (emit_initial_value_sets): Ditto.
12727 * integrate.h (emit_initial_value_sets): Ditto.
12728 * tree-optimize.c (execute_free_datastructures): Ditto
12729 (execute_free_cfg_annotations): Ditto.
12730 (execute_fixup_cfg): Ditto.
12731 (execute_cleanup_cfg_pre_ipa): Ditto.
12732 (execute_cleanup_cfg_post_optimizing): Ditto.
12733 (execute_init_datastructures): Ditto.
12734 * tree-object-size.c (compute_object_sizes): Ditto.
12735 * combine.c (rest_of_handle_combine): Ditto.
12736 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12737 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12738 (rest_of_handle_reorder_blocks): Ditto.
12739 (rest_of_handle_partition_blocks): Ditto.
12740 * var-tracking.c (variable_tracking_main): Ditto.
12741 * tree-profile.c (tree_profiling): Ditto.
12742 * tree-vect-generic.c (expand_vector_operations): Ditto.
12743 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12744 * sched-rgn.c (rest_of_handle_sched): Ditto.
12745 (rest_of_handle_sched2): Ditto.
12746 * basic-block.h (free_bb_insn): Ditto.
12747 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12748 * tree-cfg.c (execute_build_cfg): Ditto.
12749 (remove_useless_stmts): Ditto.
12750 (split_critical_edges): Ditto.
12751 (execute_warn_function_return): Ditto.
12752 (execute_warn_function_noreturn): Ditto.
12753 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12754 * cfgrtl.c (free_bb_for_insn): Ditto.
12755 * passes.c (execute_one_pass): Run additional
12756 todos returned by execute function.
12757 * tree-pass.h (struct tree_opt_pass): Make execute
12760 2006-03-02 Richard Guenther <rguenther@suse.de>
12762 * tree-ssa-alias.c (find_used_portions): Consider taking
12763 the address as making the variable not write-only.
12765 2006-03-02 Nick Clifton <nickc@redhat.com>
12767 * config.gcc (default_use_cxa_atexit): Extend the description of
12768 this configure variable. Set its default value to "yes" for
12769 Linux, NetBSD and ELF targets on the assumption that they will
12770 use C libraries with the __cxa_atexit function.
12772 2006-03-02 Ben Elliston <bje@au.ibm.com>
12774 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12775 parameter as unused to suppress a build warning.
12777 2006-03-02 Ben Elliston <bje@au.ibm.com>
12779 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12782 2006-03-01 Roger Sayle <roger@eyesopen.com>
12785 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12786 declared name, the weak reference name, and the typeof name.
12787 (__gthrw): Avoid expanding the declared name suffix.
12788 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12790 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12792 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12794 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12795 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12796 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12797 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12798 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12799 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12800 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12801 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12802 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12803 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12804 (DW_END_default, DW_END_big, DW_END_little): New.
12805 (DW_END_lo_user, DW_END_hi_user): Define.
12806 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12807 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12808 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12811 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12813 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12815 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12817 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12819 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12821 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12822 to 'symbol_mem_tag'.
12824 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12827 2006-03-01 Roger Sayle <roger@eyesopen.com>
12829 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12831 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12834 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12835 MACHO_DYNAMIC_NO_PIC_P.
12836 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12838 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12841 * config/darwin-protos.h (darwin_asm_output_anchor):
12843 * config/darwin-sections.def (cstring_section):
12844 Add SECTION_MERGE to the flags.
12845 (literal4_section): Likewise.
12846 (literal8_section): Likewise.
12847 (objc_selector_refs_section): Likewise.
12848 (objc_cls_refs_section): Likewise.
12849 * config/darwin.c (darwin_asm_output_anchor): New
12851 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12853 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12855 Fix PR tree-optimization/26443
12856 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12857 to todo and PROP_tmt_usage to properties_destroyed.
12858 * tree-ssa-ccp.c (pass_ccp): Ditto.
12859 (pass_store_ccp): Ditto.
12860 * tree-ssa-dom.c (pass_dominator): Ditto.
12862 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12864 * tree-ssa-operands.c: Cleanup whitespace.
12865 (get_asm_expr_operands): Move before first invocation.
12866 (get_indirect_ref_operands): Likewise.
12867 (get_tmr_operands): Likewise.
12868 (get_call_expr_operands): Likewise.
12869 (append_def): Likewise.
12870 (append_use): Likewise.
12871 (append_v_may_def): Likewise.
12872 (append_v_must_def): Likewise.
12873 (add_call_clobber_ops): Likewise.
12874 (add_call_read_ops): Likewise.
12875 (add_stmt_operand): Likewise.
12876 (add_virtual_operand): Likewise.
12877 (build_ssa_operands): Likewise.
12879 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12881 PR middle-end/26022
12883 PR middle-end/24437
12884 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12885 with a call expr to ...
12886 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12888 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12890 * tree-vrp.c (extract_range_from_assert): Remove special
12891 handling for types with super-types.
12893 2006-03-01 Ben Elliston <bje@au.ibm.com>
12895 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12896 and powerpc64-*-linux* configurations.
12897 * config/t-dfprules: New file.
12899 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12900 Compile dfp-bit.c from the source directory using -DWIDTH and
12901 $DFP_CFLAGS to control the compilation of that file, rather than
12902 generating width-specific versions in the build directory.
12903 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12904 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12906 2006-02-28 Zack Weinberg <zackw@panix.com>
12908 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12911 2006-02-28 Eric Christopher <echristo@apple.com>
12913 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12914 Set up IN_LIBGCC definition of TARGET_64BIT.
12915 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12917 2006-02-28 Roger Sayle <roger@eyesopen.com>
12919 PR middle-end/14752
12920 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12921 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12922 cases via the construction of "expr != 0".
12924 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12926 * alias.c (alias_invariant, alias_invariant_size): Remove.
12927 (record_base_value): Remove.
12928 (memrefs_conflict_p): Don't look at alias_invariant.
12929 (end_alias_analysis): Don't free it.
12930 * alias.h (record_base_value): Remove prototype.
12932 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12933 Adam Nemet <anemet@caviumnetworks.com>
12935 * rtl.h (truncated_to_mode): Declare it.
12936 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12937 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12938 (RTL_HOOKS_INITIALIZER): Include it.
12939 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12940 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12941 reg_truncated_to_mode.
12942 * rtlanal.c (truncated_to_mode): Define it.
12943 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12945 2006-02-28 Jeff Law <law@redhat.com>
12947 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12948 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12949 the range allowed by TYPE_PRECISION.
12951 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12953 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12955 PR tree-optimization/26419
12956 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12959 2006-02-27 Zack Weinberg <zackw@panix.com>
12961 * doc/md.texi: Fix typo in previous change.
12963 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12967 2006-02-27 Zack Weinberg <zackw@panix.com>
12969 * rtl.def (define_constraint, define_register_constraint)
12970 (define_memory_constraint, define_address_constraint): New MD forms.
12971 * gensupport.c (process_rtx): Put define_constraint etc on the
12973 * genpreds.c (process_define_predicate): Adjust comment. Validate
12974 the name, and call validate_exp to validate the expression.
12975 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12976 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12977 all callers changed.
12978 (validate_exp, needs_variable, struct constraint_data)
12979 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12980 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12981 (const_dbl_constraints, constraint_max_namelen)
12982 (have_register_constraints, have_memory_constraints)
12983 (have_address_constraints, have_address_constraints)
12984 (have_extra_constraints, have_const_int_constraints)
12985 (have_const_dbl_constraints, mangle, add_constraint)
12986 (process_define_constraint, process_define_register_constraint)
12987 (write_enum_constraint_num, write_lookup_constraint)
12988 (write_insn_constraint_len, write_regclass_for_constraint)
12989 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12990 (write_insn_extra_memory_constraint)
12991 (write_insn_extra_address_constraint)
12992 (write_satisfies_constraint_fns): New.
12993 (write_tm_preds_h): If we have new-style constraint definitions,
12994 prototype the functions generated from them, and define the
12995 old constraint interface (still used by generic code) in terms of
12997 (write_insn_preds_c): If we have new-style constraint definitions,
12998 generate all relevant functions from those definitions.
12999 (main): Handle define_constraint etc.
13000 * genoutput.c (struct constraint_data, indep_constraints)
13001 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13002 (mdep_constraint_len): New data structures and functions, defined
13003 #ifdef USE_MD_CONSTRAINTS.
13004 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13005 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13006 use new logic to validate operand constraints against constraint
13008 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13010 * defaults.h: If none of the old-style constraint macros are
13011 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13012 old-style macros; and poison REG_CLASS_FROM_LETTER,
13013 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13015 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13016 * doc/md.texi: Document new constraint-definition mechanism and the
13017 C interface it provides. Remove references to old mechanism
13018 elsewhere in the document.
13019 (Machine Constraints): Use pathnames relative to gcc directory,
13020 i.e. config/ARCH/FILE. Change i386 section to refer to
13021 config/i386/predicates.md; update that section to match docstrings.
13022 * doc/tm.texi: Move all documentation of the old constraint-
13023 definition macros to their own section, clearly mark as obsolete.
13025 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13026 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13028 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13029 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13030 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13031 constraint strings.
13032 (splits and peepholes): Use satisfies_constraint_*.
13033 * config/i386/i386.c (memory_address_length)
13034 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13036 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13038 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13039 scalar operation to be put back into the loop.
13041 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13044 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13045 (extract_cie_info): Handle S flag in augmentation string.
13046 (execute_cfa_program): If context->signal_frame, execute also
13047 fs->pc == context->ra instructions.
13048 (uw_frame_state_for): If context->signal_frame, don't subtract one
13049 from context->ra to find FDE.
13050 (uw_update_context_1): Set context->signal_frame to
13052 (_Unwind_GetIPInfo): New function.
13053 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13054 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13056 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13057 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13058 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13059 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13060 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13061 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13062 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13063 x86_64_fallback_frame_state): Set fs->signal_frame.
13064 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13065 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13066 (frob_update_context): Likewise. Workaround missing S flag in
13067 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13068 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13069 Remove the psw_addr + 1 hack.
13071 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13073 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13074 with aggregates here.
13075 (find_func_aliases): Remove code for &<aggregate> from here.
13077 2006-02-26 Roger Sayle <roger@eyesopen.com>
13079 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13080 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13081 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13082 as (X & C) ne/eq 0.
13084 2006-02-26 Roger Sayle <roger@eyesopen.com>
13086 PR middle-end/19983
13087 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13089 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13091 * opts.c (decode_options): Do not handle flag_strength_reduce.
13092 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13093 and OPT_fstrength_reduce.
13094 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13095 flag_prefetch_loop_arrays for being nonzero.
13096 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13098 (fprefetch-loop-arrays-rtl): Removed.
13099 (flag_prefetch_loop_arrays): Do not specify the value.
13101 * doc/passes.texi: Update documentation of loop optimizer
13103 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13104 -frerun-loop-opt): Remove.
13106 2006-02-26 Richard Guenther <rguenther@suse.de>
13108 PR tree-optimization/26421
13109 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13110 in function calls that are ADDR_EXPRs as using the whole structure.
13112 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13114 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13115 * tree-pass.h (pass_loop_optimize): Remove.
13116 * passes.c (pass_loop_optimize): Never run it.
13117 * toplev.c (backend_init): Don't call init_loop.
13118 * opts.c (flag_loop_optimize_set): Remove.
13119 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13120 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13121 the old RTL loop optimizer when profiling enabled.
13122 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13123 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13124 pre-headers for the sake of the old RTL loop optimizer.
13125 * Makefile.in: Remove all references to loop.o.
13127 * doc/invoke.texi: Remove all references to -floop-optimize
13128 and -frerun-loop-opt.
13130 2006-02-26 Zack Weinberg <zackw@panix.com>
13132 * doc/md.texi (Machine Constraints): Refer to all files with paths
13133 relative to gcc directory (i.e. config/CPU/file). Add missing
13134 @table @code ... @end table to M32C subsection.
13136 2006-02-26 Roger Sayle <roger@eyesopen.com>
13138 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13140 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13142 2006-02-26 Roger Sayle <roger@eyesopen.com>
13143 James A. Morrison <phython@gcc.gnu.org>
13145 PR middle-end/21137
13146 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13147 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13148 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13149 signedness of the shift operation.
13151 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13153 PR tree-optimization/26359
13154 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13156 2006-02-25 Roger Sayle <roger@eyesopen.com>
13158 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13159 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13160 as X == 0, and some symmetry related transformations.
13161 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13163 2006-02-25 Roger Sayle <roger@eyesopen.com>
13165 PR middle-end/23673
13166 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13167 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13168 symmetry related transformations. Fold (X^C1) == C2 as
13171 2006-02-25 Juergen Weigert <jw@suse.de>
13172 Richard Guenther <rguenther@suse.de>
13174 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13176 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13178 * combine.c (gen_lowpart_or_truncate): Call
13179 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13181 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13183 * doc/invoke.texi: Move -fopenmp description to "Options for
13185 Remove reference to -lgomp.
13187 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13189 * doc/install.texi: Require GNU tar version 1.14.
13191 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13193 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13194 * doc/invoke.texi (C++ Dialect Options): Document
13195 -fno-use-cxa-get-exception-ptr.
13196 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13197 * configure: Regenerate.
13198 * c.opt (fuse-cxa-get-exception-ptr): New.
13199 * c-opts.c (c_common_handle_option): Handle
13200 OPT_fuse_cxa_get_exception_ptr.
13201 * c-common.c (flag_use_cxa_atexit): Update documentation.
13202 (flag_use_cxa_get_exception_ptr): New.
13203 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13204 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13206 (C_COMMON_OVERRIDE_OPTIONS): New.
13208 2006-02-24 Roger Sayle <roger@eyesopen.com>
13210 PR middle-end/24952
13211 * combine.c (try_combine): Explicitly check whether GET_CODE is
13212 a SET or a CLOBBER, instead on checking that it isn't a USE.
13214 2006-02-24 Roger Sayle <roger@eyesopen.com>
13216 * fold-const.c (fold_comparison): New subroutine of fold_binary
13217 containing transformations common to both the equality and
13218 ordering relational operators, factored out of fold_binary.
13219 (fold_binary): Separate out the equality operators (EQ_EXPR
13220 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13221 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13222 transformations common to both.
13223 (fold_div_compare): Fix latent bugs in the previously unreachable
13224 LT_EXPR and GE_EXPR cases.
13226 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13228 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13229 decl libname for clog to __clog on AIX.
13231 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13233 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13236 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13237 output traceback table for thunks. Localise rs6000_stack_info call.
13239 2006-02-23 Roger Sayle <roger@eyesopen.com>
13240 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13242 * gthr-posix.h (__gthrw): Fix typo in comment.
13244 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13246 * doc/cpp.texi (Character sets): Document that we do support
13247 input files to be in any character set.
13249 2006-02-23 Jeff Law <law@redhat.com>
13251 * tree.h (PHI_ARG_NONZERO): Remove.
13252 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13253 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13254 node to the new node.
13256 PR tree-optimization/26425
13257 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13258 min/max, then assume its varying.
13260 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13262 PR rtl-optimization/26316
13263 * rtlanal.c (enum may_trap_p_flags): New.
13264 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13265 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13266 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13267 (may_trap_after_code_motion_p): New function.
13268 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13269 (find_invariant_insn): Use may_trap_after_code_motion_p.
13270 * rtl.h (may_trap_after_code_motion_p): Declare.
13272 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13274 * emit-rtl.c (immed_double_const): Cleanup.
13276 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13278 Fix PR tree-optimization/26376
13279 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13282 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13284 PR middle-end/26412
13285 * gimplify.c (omp_add_variable): Guard variable size decl test with
13286 DECL_SIZE (decl) check.
13288 2006-02-23 Richard Guenther <rguenther@suse.de>
13290 PR middle-end/26439
13291 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13292 like aggregate types.
13294 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13296 * configure.ac: Add --with{,out}-long-double-128 configure option.
13297 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13298 * configure: Rebuilt.
13299 * config.in: Rebuilt.
13300 * doc/install.texi (Options specification): Document
13301 --with-long-double-128.
13303 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13304 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13305 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13306 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13308 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13310 * config/s390/s390.c (override_options): Handle
13311 TARGET_DEFAULT_LONG_DOUBLE_128.
13313 * config/alpha/alpha.c (override_options): Handle
13314 TARGET_DEFAULT_LONG_DOUBLE_128.
13316 * config/sparc/sparc.c (sparc_override_options): Handle
13317 TARGET_DEFAULT_LONG_DOUBLE_128.
13319 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13321 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13322 (real-install-headers-tar, real-install-headers-cpio)
13323 (real-install-headers-cp): New targets.
13325 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13327 * tree.h (variable_section): Delete.
13328 * varasm.c (variable_section): Delete.
13330 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13332 * install.texi: Add notes on install.texi2html.
13333 (Building in parallel): Do not use footnotes.
13335 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13338 * doc/install.texi (Configuration): Document --disable-libgomp.
13340 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13342 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13344 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13346 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13347 (vec_extractv2df_0_sse): New.
13349 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13351 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13352 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13353 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13354 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13355 to the result of the expression.
13356 (def_cfa_1): Adjust.
13357 (frame_pointer_cfa_offset): Rename to...
13358 (frame_pointer_fb_offset): ... this. Adjust all uses.
13359 (convert_cfa_to_loc_list): Rename to...
13360 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13361 Pass it on to build_cfa_loc.
13362 (compute_frame_pointer_to_cfa_displacement): Rename to...
13363 (compute_frame_pointer_to_fb_displacement): ... this. New
13364 offset parameter. Use it in computation.
13365 (gen_subprogram_die): Compute cfa_fb_offset with the new
13366 macro, and use it to compute the fb loc list and the
13369 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13371 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13372 replaced with register_operand.
13373 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13374 non-DREG is expensive.
13375 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13376 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13379 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13381 * doc/install.texi2html: Use set -e.
13383 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13385 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13386 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13387 * doc/invoke.texi (-fshared-data): Delete.
13388 * common.opt (fshared-data): Delete.
13389 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13390 (assemble_static_space): Remove #if 0 code.
13391 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13392 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13393 * config/cris/cris.h: Remove FIXME.
13395 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13397 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13400 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13402 PR middle-end/26379
13403 * combine.c (simplify_shift_const_1): Disable nested shifts
13404 optimization for vector shifts.
13406 2006-02-20 Roger Sayle <roger@eyesopen.com>
13408 PR tree-optimization/26361
13409 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13410 of unsigned integer types.
13412 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13414 * tree-chrec.c (eq_evolutions_p): New.
13415 * tree-chrec.h (eq_evolutions_p): Declared.
13416 * tree-data-ref.c: Fix formatting.
13417 (datadep_stats, dependence_stats): New.
13419 (print_direction_vector): New.
13420 (dump_data_dependence_relation): Use print_direction_vector.
13421 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13422 (compute_subscript_distance): Static.
13423 (initialize_data_dependence_relation): Static. Get the number
13424 of loops surrounding the references from the callers, and initialize
13425 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13426 base_object_differ_p analyzers.
13427 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13428 compute_overlap_steps_for_affine_1_2,
13429 analyze_subscript_affine_affine): Count the classified dependences.
13430 Print a message when a test failed.
13431 (can_use_analyze_subscript_affine_affine): New.
13432 (analyze_siv_subscript): Compute the data dependences on symbolic
13433 scevs that verify can_use_analyze_subscript_affine_affine.
13434 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13435 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13436 Handle symbolic scevs.
13437 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13439 (subscript_dependence_tester): Moved...
13440 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13441 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13442 DDR_SIZE_VECT instead of getting it in parameter.
13443 (subscript_dependence_tester): ... here. Take as a parameter
13444 loop_nest_depth. Call build_classic_dist_vector and
13445 build_classic_dir_vector.
13446 (compute_affine_dependence): Update subscript_dependence_tester
13447 parameters. Update datadep_stats counters. Call
13448 compute_subscript_distance.
13449 (compute_self_dependence): Save the dist and dir vectors. Call
13450 compute_subscript_distance.
13451 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13452 (compute_all_dependences): Reorder parameters as they were before
13453 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13454 compute_subscript_distance. Update the use of
13455 compute_affine_dependence and initialize_data_dependence_relation.
13456 (find_data_references_in_loop): Handle COMPONENT_REF.
13457 (compute_data_dependences_for_loop): Initialize dependence_stats.
13458 Don't call build_classic_dist_vector and build_classic_dir_vector.
13459 Update the parameters of initialize_data_dependence_relation and
13460 compute_all_dependences. Print the statistics from datadep_stats.
13461 (analyze_all_data_dependences): Static. Not used until the pass for
13462 checking the data dependences is contributed.
13463 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13464 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13465 (initialize_data_dependence_relation, compute_affine_dependence,
13466 analyze_all_data_dependences, compute_subscript_distance): Removed.
13467 (print_direction_vector): New.
13468 * lambda.h (gcd): ... here.
13469 (lambda_vector_gcd): Moved here from gcd_vector.
13470 * lambda-code.c (gcd, gcd_vector): Removed.
13471 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13472 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13474 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13476 * ipa-type-escape.c: Tidy some comments and white space.
13477 * tree-ssa-operands.c: Likewise.
13479 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13482 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13483 (dump_decl_name): Do not walk the decl tree chains.
13484 * tree-pass.h (TDF_CHAIN): Remove.
13486 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13488 * Makefile.in (C): Remove
13490 (.PHONY): Remove C and PROTO
13492 2006-02-20 Roger Sayle <roger@eyesopen.com>
13494 PR middle-end/26236
13495 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13496 deprecated CHAR_TYPE tree code.
13498 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13500 * configure.ac (target_list): Add install-info, dvi, html.
13501 * configure: Regenerate.
13503 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13504 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13505 treelang/Make-lang.in: Do not use double-colon rules.
13507 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13509 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13510 (TMT_USED_ALONE): New macro.
13511 * tree-pass.h (PROP_tmt_usage): New property.
13512 (TODO_update_tmt_usage): New todo.
13513 * tree-ssa-alias.c (updating_used_alone): New variable.
13514 (recalculate_used_alone): New function.
13515 (compute_may_aliases): Set updating_used_alone, call
13516 recalculate_used_alone.
13517 * tree-sra.c (pass_sra): Note that this pass destroys
13518 PROP_tmt_usage, and add TODO_update_tmt_usage.
13519 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13520 * tree-flow.h (updating_used_alone): Prototype.
13521 (recalculate_used_alone): Ditto.
13522 * passes.c (execute_todo): Add code to set updating_used_alone,
13523 and call recalculate.
13524 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13525 for clobber if used alone, and add assert to verify used_alone
13528 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13530 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13531 for non tls symbols added.
13532 (legitimize_address): Do nothing for PLUS expressions if one of the
13533 addends is a tls symbol reference.
13535 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13539 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13541 * Makefile.in (BOOTSTRAPPING): New.
13542 (quickstrap): New definition if BOOTSTRAPPING=yes.
13544 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13545 * configure.ac: Substitute all_selected_languages with the languages
13546 that were configured. For all the other variables except
13547 lang_specs_files, include all the languages in the tree.
13548 * configure: Regenerate.
13550 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13551 if there is one. Run the commands to run fixincludes in the same
13554 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13555 * doc/install.texi: Document exact conventions for searching target tools.
13556 Document --with-build-time-tools. Document toplevel bootstrap. Document
13557 something more about building an Ada cross-compiler. Don't list GNU Make
13558 requirements which affect all platforms.
13560 2006-02-19 Roger Sayle <roger@eyesopen.com>
13562 PR middle-end/19543
13563 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13564 only equivalent if the have both the same mode and precision.
13566 2006-02-20 Ben Elliston <bje@au.ibm.com>
13568 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13570 2006-02-19 Roger Sayle <roger@eyesopen.com>
13571 Steven Bosscher <stevenb.gcc@gmail.com>
13573 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13574 constant pool references to identify stack mode constants.
13575 * rtlanal.c (constant_pool_constant_p): New predicate to check
13576 whether operand is a floating point constant in the pool.
13577 * rtl.h (constant_pool_constant_p): Prototype here.
13578 * loop.c (scan_loop): Avoid hoisting constants from the constant
13579 pool on STACK_REGS targets.
13580 (load_mems): Likewise.
13581 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13582 loads into x87 registers expensive in terms of register pressure.
13584 2006-02-19 Roger Sayle <roger@eyesopen.com>
13586 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13587 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13589 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13591 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13592 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13594 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13596 * doc/invoke.texi: Document -fipa-pta.
13597 * common.opt: Add ipa-pta option.
13598 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13599 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13600 (do_ds_constraint): Ditto.
13601 (get_constraint_for): Only add to referenced_vars if
13602 referenced_vars exists.
13603 (insert_into_field_list): Rewrite to do this unsorted.
13604 (insert_into_field_list_sorted): Rename old insert_into_field_list
13606 (create_function_info_for): Use insert_into_field_list_sorted.
13607 (create_variable_info_for): Rewrite so it uses unsorted version,
13608 since the field list is sorted.
13609 (intra_create_variable_infos): Only add to referenced_vars if
13610 referenced_vars exists.
13611 (ipa_pta_execute): Init heapvars, and delete when done.
13612 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13614 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13616 * doc/install.texi: Add missing `@samp'.
13618 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13620 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13623 2006-02-18 Mark Wielaard <mark@klomp.org>
13625 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13626 who added new 4.1 features, bug fixes and integration support.
13628 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13631 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13632 MEM for ABI_V4 pic.
13634 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13636 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13637 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13638 (copy_insn_1): Likewise. Don't copy each field individually.
13640 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13642 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13643 * rtl.c (rtx_size): Rename variable to...
13644 (rtx_code_size): ...this.
13645 (rtx_size): New function.
13646 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13647 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13649 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13650 * rtl.h (rtx_code_size): New variable.
13651 (rtx_size): Change from a variable to a function.
13652 (RTX_SIZE): Rename to...
13653 (RTX_CODE_SIZE): ...this.
13656 PR tree-optimization/17106
13657 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13658 (Anchored Addresses): New section.
13659 * doc/invoke.texi (-fsection-anchors): Document.
13660 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13661 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13662 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13663 * hooks.c (hook_bool_mode_rtx_false): New function.
13664 * hooks.h (hook_bool_mode_rtx_false): Declare.
13665 * gengtype.c (create_optional_field): New function.
13666 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13667 SYMBOL_REF_IN_BLOCK_P is true.
13668 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13669 (min_anchor_offset, max_anchor_offset): Likewise.
13670 (use_anchors_for_symbol_p): New hook.
13671 * toplev.c (compile_file): Call output_object_blocks.
13672 (target_supports_section_anchors_p): New function.
13673 (process_options): Check that -fsection-anchors is only used on
13674 targets that support it and when -funit-at-a-time is in effect.
13675 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13676 if the decl doesn't have one.
13677 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13678 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13679 of force_const_mem through use_anchored_address.
13680 (expand_expr_constant): New function.
13681 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13682 calling expand_expr for INDIRECT_REF.
13683 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13684 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13685 * expr.h (use_anchored_address): Declare.
13686 * loop-unroll.c: Don't declare rtx vectors here.
13687 * explow.c: Include output.h.
13688 (validize_mem): Call use_anchored_address.
13689 (use_anchored_address): New function.
13690 * common.opt (-fsection-anchors): New switch.
13691 * varasm.c (object_block_htab, anchor_labelno): New variables.
13692 (hash_section, object_block_entry_eq, object_block_entry_hash)
13693 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13694 (use_blocks_for_decl_p, change_symbol_section): New functions.
13695 (get_variable_section): New function, split out from assemble_variable.
13696 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13697 use_blocks_for_decl_p say so. Use change_symbol_section if the
13698 symbol has already been created.
13699 (assemble_variable_contents): New function, split out from...
13700 (assemble_variable): ...here. Don't output any code for
13701 block symbols; just pass them to place_block_symbol.
13702 Use get_variable_section and assemble_variable_contents.
13703 (get_constant_alignment, get_constant_section, get_constant_size): New
13704 functions, split from output_constant_def_contents.
13705 (build_constant_desc): Create a block symbol if use_object_blocks_p
13706 says so. Or into SYMBOL_REF_FLAGS.
13707 (assemble_constant_contents): New function, split from...
13708 (output_constant_def_contents): ...here. Don't output any code
13709 for block symbols; just pass them to place_section_symbol.
13710 Use get_constant_section and get_constant_alignment.
13711 (force_const_mem): Create a block symbol if use_object_blocks_p and
13712 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13713 (output_constant_pool_1): Add an explicit alignment argument.
13714 Don't switch sections here.
13715 (output_constant_pool): Adjust call to output_constant_pool_1.
13716 Switch sections here instead. Don't output anything for block symbols;
13717 just pass them to place_block_symbol.
13718 (init_varasm_once): Initialize object_block_htab.
13719 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13720 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13721 (place_block_symbol, get_section_anchor, output_object_block)
13722 (output_object_block_htab, output_object_blocks): New functions.
13723 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13724 (TARGET_ASM_OUT): Include it.
13725 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13726 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13727 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13728 (TARGET_INITIALIZER): Include them.
13729 * rtl.c (rtl_check_failed_block_symbol): New function.
13730 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13731 (block_symbol, object_block): New structures.
13732 (rtx_def): Add a block_symbol field to the union.
13733 (BLOCK_SYMBOL_CHECK): New macro.
13734 (rtl_check_failed_block_symbol): Declare.
13735 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13736 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13737 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13738 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13739 * output.h (output_section_symbols): Declare.
13740 (object_block): Name structure.
13741 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13742 (default_use_anchors_for_symbol_p): Declare.
13743 * Makefile.in (RTL_BASE_H): Add vec.h.
13744 (explow.o): Depend on output.h.
13745 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13746 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13747 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13748 (rs6000_use_blocks_for_constant_p): New function.
13750 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13752 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13754 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13757 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13760 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13762 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13766 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13768 PR middle-end/26334
13769 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13770 instead of DECL_REGISTER.
13772 2006-02-18 Olivier Hainque <hainque@adacore.com>
13775 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13777 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13780 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13781 * opth-gen.awk: Handle Var and InverseMask together.
13782 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13783 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13784 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13785 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13787 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13788 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13789 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13790 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13791 LINUX_DYNAMIC_LINKER): Define.
13792 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13793 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13795 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13796 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13797 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13798 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13799 (TARGET_C99_FUNCTIONS): Don't define.
13800 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13801 GLIBC_DYNAMIC_LINKER.
13802 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13803 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13804 GLIBC_DYNAMIC_LINKER64): Define.
13805 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13806 LINUX_DYNAMIC_LINKER64.
13807 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13808 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13809 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13810 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13811 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13812 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13813 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13814 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13815 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13816 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13817 and LINUX_DYNAMIC_LINKER32.
13818 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13819 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13820 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13822 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13824 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13825 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13826 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13827 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13828 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13829 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13830 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13831 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13832 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13833 LINUX_DYNAMIC_LINKER): Define.
13834 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13835 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13836 GLIBC_DYNAMIC_LINKER64): Define.
13837 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13838 LINUX_DYNAMIC_LINKER64.
13839 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13840 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13841 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13842 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13843 LINUX_DYNAMIC_LINKER): Define.
13844 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13845 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13846 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13847 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13848 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13849 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13850 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13851 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13852 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13853 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13854 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13855 * doc/invoke.texi (-muclibc): Remove caveat about supported
13858 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13860 * doc/cpp.texi (__TIMESTAMP__): Document.
13862 2006-02-17 Roger Sayle <roger@eyesopen.com>
13864 PR middle-end/25600
13865 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13866 C is one less than the width of X (and related transformations).
13867 * simplify-rtx.c (simplify_unary_operation_1): Transform
13868 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13869 depending on STORE_FLAG_VALUE, were C is one less then the
13872 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13874 Fix PR tree-optimization/26341
13875 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13876 about NAME_MEMORY_TAG's.
13878 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13881 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13882 with hardware float support, and software float support. Add fcpy
13883 alternative to hardware patterns. Add alternatives to copy between
13884 general and floating-point registers to the 32-bit pattern.
13885 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13886 secondary reload to load a QI or HI mode constant into a floating
13888 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13889 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13891 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13894 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13896 (load_macho_picbase_di): Likewise.
13898 2006-02-16 Jeff Law <law@redhat.com>
13900 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13901 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13902 (ssa_name_nonzero_p): Likewise.
13903 (get_value_range): Return NULL if VRP is not running.
13904 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13905 VRP routines do not discover a range.
13906 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13907 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13908 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13909 (tree_expr_nonnegative_p): Similarly.
13910 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13911 (restore_nonzero_vars_to_original_value): Remove.
13912 (unsafe_associative_fp_binop): Remove.
13913 (tree_ssa_dominator_optimize): Remove initialization and
13914 finalization of nonzero_vars and nonzero_vars_stack.
13915 (dom_opt_initialize_block): No longer push marker on
13916 nonzero_vars_stack.
13917 (dom_opt_finalize_block): No longer call
13918 restore_nonzero_vars_to_original_value.
13919 (record_equivalences_from_phis): No longer look for
13920 nonzero PHI arguments.
13921 (cprop_into_successor_phis): No longer propagate nonzero
13922 property into PHI arguments. Lose unused argument. Caller
13924 (record_equivalences_from_stmt): No longer record nonzero
13925 values for SSA_NAMEs.
13926 (lookup_avail_expr): No longer use nonzero_vars.
13928 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13929 for sizetype when sizetype is unsigned.
13931 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13933 PR rtl-optimization/25603
13934 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13935 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13936 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13937 with new meaning of SETS.
13939 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13944 * config/linux.opt: New file.
13945 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13946 LINUX_DYNAMIC_LINKER): Define.
13947 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13948 * config.gcc (*-*-linux*): Define extra_options.
13949 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13950 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13951 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13952 GLIBC_DYNAMIC_LINKER.
13953 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13954 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13955 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13957 * doc/invoke.texi (GNU/Linux Options): New section.
13959 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13961 * config/sparc/sparc.md (setjmp): Rewrite.
13962 (setjmp_32): Delete.
13963 (setjmp_64): Likewise.
13965 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13967 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13970 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13972 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13975 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13977 PR rtl-optimization/26296
13978 * Makefile.in (loop-invariant.c): Add except.h dependency.
13979 * loop-invariant.c: Include except.h.
13980 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13982 2005-02-16 Paul Brook <paul@codesourcery.com>
13984 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13987 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13989 PR rtl-optimization/25636
13990 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13991 when deciding whether an insn is an initializing insn.
13993 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13995 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13996 (tree_code_size): Ditto.
13997 * tree.h (struct tree_memory_tag): Remove parent_var.
13998 (struct tree_struct_field_tag): New.
14001 (union tree_node): Add sft member.
14002 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14004 (create_sft): Add size and offset argument, set SFT_OFFSET and
14006 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14007 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14008 * tree-flow-inline.h (get_subvar_at): Update for
14009 SFT_OFFSET/SFT_SIZE.
14010 (var_can_have_subvars): Ditto.
14011 (overlap_subvar): Ditto.
14012 * print-tree.c (print_node): Print out interesting things for
14014 * tree-flow.h (struct subvar): Remove offset and size members.
14015 * tree-ssa-operands.c (get_expr_operands): Update for
14016 get_indirect_ref_operands changes.
14017 (get_indirect_ref_operands): Call add_virtual_operand instead of
14018 add_stmt_operand. Only recurse on base var if requested.
14019 (access_can_touch_variable): New function.
14020 (add_stmt_operand): Split virtual operand handling into ...
14021 (add_virtual_operand): Here. Add offset, size, and for_clobber
14022 arguments. Prune alias sets.
14023 (add_call_clobber_ops): Call add_virtual_operand.
14025 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14027 PR middle-end/26300
14028 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14030 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14031 than TREE_CODE as index into omp_clause_num_ops array.
14033 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14035 PR rtl-optimization/26184
14036 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14038 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14039 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14040 must_precede, must_follow and tobe_scheduled.
14043 * opts.c (common_handle_option): Free new_option pointer.
14044 * df-core.c (df_analyze): Free postorder pointer.
14046 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14048 * Makefile.in: Fix the examples about the use of stamps
14050 2006-02-15 Michael Matz <matz@suse.de>
14052 PR middle-end/22275
14054 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14055 influenced by maximum_field_alignment or DECL_PACKED.
14056 (update_alignment_for_field): Ditto.
14057 (place_field): Ditto.
14058 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14061 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14063 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14064 (debug_flow_info): Pass it.
14065 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14066 * bb-reorder.c (reorder_basic_blocks): Likewise.
14067 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14068 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14069 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14070 * gcse.c (gcse_main, bypass_jumps): Likewise.
14071 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14072 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14073 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14074 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14075 * rtl.h (dump_flow_info): Adjust prototype.
14076 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14077 * var-tracking.c (variable_tracking_main): Likewise.
14078 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14079 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14082 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14084 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14087 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14089 PR tree-optimization/26209
14090 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14091 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14093 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14095 2006-02-14 Roger Sayle <roger@eyesopen.com>
14097 PR middle-end/23670
14098 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14099 (X,Y) and the corresponding symmetry related transformations.
14100 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14101 (X,Y) and its symmetry related transformations.
14103 2006-02-14 Roger Sayle <roger@eyesopen.com>
14105 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14108 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14110 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14112 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14115 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14116 support COMDAT group.
14117 * configure: Regenerate.
14119 2006-02-14 Roger Sayle <roger@eyesopen.com>
14121 PR middle-end/26279
14122 PR middle-end/26280
14123 PR middle-end/26283
14124 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14126 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14128 Fix PR tree-optimization/26260
14130 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14132 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14133 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14134 * tree-ssa-structalias.c (create_variable_info_for): Use
14135 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14137 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14139 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14141 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14142 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14143 of the ending condition.
14144 * tree-ssa-loop-manip.c: Include params.h.
14145 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14146 tree_unroll_loop): New functions.
14147 * tree-pass.h (pass_loop_prefetch): Declare.
14148 * loop.c (rest_of_handle_loop_optimize): Test for
14149 -fprefetch-loop-arrays-rtl.
14150 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14151 * timevar.def (TV_TREE_PREFETCH): New timevar.
14152 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14153 pass_loop_prefetch): New.
14154 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14155 (cleanup_tree_cfg_loop): Call scev_reset.
14156 * common.opt (fprefetch-loop-arrays-rtl): Add.
14157 * tree-ssa-loop-prefetch.c: New file.
14158 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14159 (new_temp_expr_table): Initialize expr_vars.
14160 (free_temp_expr_table): Cleanup expr_vars.
14161 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14162 expressions from being merged into one.
14163 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14164 (struct tree_niter_desc): Add control, bound and cmp fields.
14165 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14167 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14168 (tree-cfgcleanup.o): Add SCEV_H dependency.
14169 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14170 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14172 2006-02-14 Richard Guenther <rguenther@suse.de>
14174 PR tree-optimization/26258
14175 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14176 in PHI argument processing.
14178 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14180 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14181 new expression in the requested machine mode.
14183 2006-02-13 Roger Sayle <roger@eyesopen.com>
14185 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14186 directly, instead let do_compare_rtx_and_jump handle this for us.
14187 * expr.c (expand_expr_real_1): Likewise.
14188 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14189 before do_jump_by_parts_greater.
14190 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14191 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14193 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14195 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14197 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14199 PR rtl-optimization/26235
14200 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14201 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14204 2006-02-13 Jeff Law <law@redhat.com>
14206 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14209 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14211 PR middle-end/26092
14212 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14213 twice if decl is a builtin. When trying again, call get_callee_fndecl
14214 first to verify it is still a builtin.
14216 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14218 * dwarf2out.c (base_type_die): Don't add AT_name here.
14219 (subrange_type_die): Don't add AT_name here.
14220 (modified_type_die): Rearrange code flow. Do add AT_name here.
14222 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14224 PR rtl-optimization/26247
14225 PR rtl-optimization/26248
14226 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14228 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14230 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14231 * config/fixtfdi.c: Likewise.
14232 * config/fixunstfdi.c: Likewise.
14233 * config/floatditf.c: Likewise.
14235 2006-02-13 Roger Sayle <roger@eyesopen.com>
14237 PR middle-end/24427
14238 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14239 into (X,C2) if C1 is a subset of the bits of C2. Transform
14240 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14242 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14244 2006-02-13 Josh Conner <jconner@apple.com>
14247 * varasm.c (function_section): Check for section name before
14248 calling select_section on targets that define
14249 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14250 unlikely_text_section instead of hot_function_section if
14251 first_function_block_is_cold.
14253 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14255 PR middle-end/25335
14256 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14258 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14260 PR rtl-optimization/26222
14261 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14262 after tree->rtl expansion.
14263 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14264 before passing it to emit_move_insn.
14266 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14268 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14270 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14271 Clarify documentation.
14272 * c-common.h (warn_write_strings): Remove.
14273 * c-common.c (warn_write_strings): Likewise.
14274 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14277 2006-02-12 Roger Sayle <roger@eyesopen.com>
14279 PR middle-end/25724
14280 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14281 (do_jump_parts_zero_rtx): New function renamed from
14282 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14283 (do_jump_parts_equality_rtx): New function split out from
14284 do_jump_parts_equality. Old implementation renamed as above.
14285 Call do_jump_parts_zero_rtx if either operand is zero.
14286 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14287 do all of the heavy lifting.
14288 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14289 calling either do_jump_by_parts_greater_rtx or
14290 do_jump_by_parts_equality_rtx.
14291 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14292 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14293 moved to do_compare_rtx_and_jump, call it directly.
14294 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14295 mode argument. Call do_compare_rtx_and_jump.
14296 (emit_case_nodes): Update calls to do_jump_if_equal.
14298 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14300 PR rtl-optimization/26225
14301 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14303 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14305 PR rtl-optimization/26232
14306 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14308 2006-02-11 Jason Merrill <jason@redhat.com>
14311 * tree-inline.c (declare_return_variable): Just don't use the
14312 modify target if it's a gimple complex reg and the return slot
14315 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14317 * doc/contrib.texi: Update my entry.
14319 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14321 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14323 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14325 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14328 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14330 * doc/invoke.texi (-floop-optimize2): Removed.
14331 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14332 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14333 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14334 * common.opt (floop-optimize2): Removed.
14335 (fmove-loop-invariants): Enabled by default.
14337 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14339 * tree-if-conv.c (combine_blocks): Free the result of
14340 get_loop_exit_edges.
14342 2006-02-10 Jeff Law <law@redhat.com>
14344 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14346 PR tree-optimization/26213
14347 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14348 loop trying to follow SSA_NAME_VALUE chains.
14350 2006-02-10 Richard Guenther <rguenther@suse.de>
14352 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14353 deal with structures that end in implicitly variable sized arrays.
14355 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14357 PR rtl-optimization/24762
14358 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14361 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14363 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14364 (struct ivopts_data): Add regs_used field.
14365 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14366 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14367 instead of loop_data->regs_used;
14368 (free_loop_data): Do not free aux fields for loops.
14369 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14370 and tree_ssa_iv_optimize_finalize.
14372 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14374 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14376 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14379 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14380 computing the effective result type.
14382 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14384 PR inline-asm/16194
14385 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14386 (tree_overlaps_hard_reg_set): Declare.
14387 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14388 type and signature to match function type expected by walk_tree.
14389 (tree_overlaps_hard_reg_set): New function.
14390 (decl_conflicts_with_clobbers_p): Rename to:
14391 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14392 Use tree_overlaps_hard_reg_set. Changed caller.
14393 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14394 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14395 * cris.c (cris_md_asm_clobbers): Likewise.
14397 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14399 * reload1.c (emit_input_reload_insns): Delete code that tries to
14400 inherit using find_equiv_reg.
14402 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14404 * c-common.h (flag_const_strings): Don't declare.
14405 * c-common.c (flag_const_strings): Remove.
14406 * c.opt (fconst_strings): Remove.
14407 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14408 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14409 (c_common_init_options): Don't set flag_const_strings.
14410 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14412 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14414 * arm.md (tlobits_cbranch): New pattern.
14415 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14416 testing a single bit.
14418 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14421 * tree-ssa-pre.c (create_component_ref_by_pieces):
14422 Handle RETURN_DECL like VAR_DECL.
14424 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14426 PR middle-end/26134
14427 * fold-const.c (fold_indirect_ref_1): Fold
14428 "*(foo *)&complexfoo" to "__real__ complexfoo"
14429 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14431 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14433 * tree-flow-inline.h (var_can_have_subvars):
14434 Volatile variables should not have subvariables.
14436 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14439 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14440 multiplying unsigned values.
14443 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14445 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14447 2006-02-08 Jason Merrill <jason@redhat.com>
14450 * tree.def: Elaborate on difference from MODIFY_EXPR.
14451 * doc/c-tree.texi (INIT_EXPR): Likewise.
14452 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14453 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14454 (gimplify_target_expr): Likewise.
14455 (gimplify_cond_expr): Remove target handling.
14456 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14457 (gimplify_expr): Clobber it here.
14458 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14459 Do return slot optimization if we have an INIT_EXPR.
14462 * tree-inline.c (declare_return_variable): Also clear
14463 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14466 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14468 PR middle-end/22439
14469 * gimplify.c (gimplify_one_sizepos): Fix typo.
14471 2006-02-08 Jeff Law <law@redhat.com>
14473 PR tree-optimization/21417
14474 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14475 across a backedge if the control statement at the end of the
14476 block is data dependent on other statements in the same block.
14477 (record_temporary_equivalences_from_stmts): Remove over-conservative
14478 test for threading across backedges.
14480 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14481 control statement, handle all three special cases in the same
14482 manner as they all have the same desired solution. No longer
14483 special case edge flag updating when the post dominator is
14486 2006-02-08 Roger Sayle <roger@eyesopen.com>
14488 * tree.def (CHAR_TYPE): Remove.
14489 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14490 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14491 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14492 (gen_string_type_die): Delete unreachable function.
14494 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14495 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14496 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14497 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14498 * builtins.c (type_to_class): Likewise.
14499 * fold-const.c (fold_convert, build_range_check,
14500 merge_ranges): Likewise.
14501 * expr.c (count_type_elements): Likewise.
14502 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14503 * stor-layout.c (layout_type): Likewise.
14504 * ipa-type-escape.c (type_to_consider): Likewise.
14505 * gimplify.c (omp_firstprivatize_type_sizes,
14506 gimplify_type_sizes): Likewise.
14507 * explow.c (promote_mode): Likewise.
14508 * tree-sra.c (is_sra_scalar_type): Likewise.
14509 * varasm.c (output_constant): Likewise.
14510 * tree-inline.c (remap_type_1): Likewise.
14511 * convert.c (convert_to_pointer, convert_to_real,
14512 convert_to_integer, convert_to_complex): Likewise.
14514 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14516 * df-scan.c (df_def_record_1): A set destination may
14517 be a parallel regardless of mode.
14519 2006-02-08 Roger Sayle <roger@eyesopen.com>
14522 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14523 * config/mips/_tilib.c: Remove.
14524 * config/fixtfdi.c: New libgcc source file.
14525 * config/fixunstfdi.c: New source file.
14526 * config/floatditf.c: New source file.
14527 * config/floatunditf.c: New souce file.
14528 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14529 files above instead of config/mips/_tilib.c.
14530 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14532 2006-02-08 Jeff Law <law@redhat.com>
14534 PR tree-optimization/26169
14535 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14538 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14540 * df.h (DF_REG_SIZE): Return the length of the initialized
14543 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14545 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14546 __muldf3): Return a correctly signed zero.
14548 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14550 * passes.c (register_one_dump_file): Accept the current properties
14551 instead of pass number. Adjust call to dump_register. Remove
14553 (register_dump_files): Now a wrapper around...
14554 (register_dump_files_1): ... this one. Do not modify the pass
14556 (next_pass_1): Cosmetic fix.
14557 (execute_todo): Keep second parameter only. Use curr_properties
14558 instead of fetching it from the pass structure. Check and set
14560 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14561 instead of fetching it from the pass structure. Fix calls to
14562 execute_todo. Update curr_properties and initialize .vcg RTL dump
14563 after running the pass. Reset last_verified.
14564 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14566 (FIRST_AUTO_NUMBERED_DUMP): New.
14567 (dump_register): Remove "num" parameter, assign it within the
14569 (get_dump_file_name): Modify template for dumps.
14570 * tree-dump.h (dump_register): Adjust prototype.
14571 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14572 (PROP_trees): Add PROP_gimple_lomp.
14573 (TODO_set_props): New.
14574 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14575 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14576 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14578 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14580 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14581 (sparc64-*-linux*): Likewise.
14582 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14583 * config/sparc/t-linux: New file.
14584 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14585 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14586 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14587 -m32 -mlong-double-128.
14589 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14590 * config/alpha/t-linux: New file.
14591 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14593 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14594 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14595 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14596 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14597 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14598 (CPP_ARCH32_SPEC): Remove.
14600 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14602 PR tree-optimization/26145
14603 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14606 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14609 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14610 >= 240000 when generating code for SOM runtime.
14611 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14612 to $$dyncall when generating code for SOM runtime..
14614 2006-02-07 Dirk Mueller <dmueller@suse.com>
14617 * doc/invoke.texi (-Wsequence-point): Update documentation
14618 that -Wsequence-point is implemented for C++ as well.
14620 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14622 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14623 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14624 (LIB_SPEC): Likewise.
14625 * doc/invoke.texi (SPARC options): Document -pthread.
14627 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14629 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14632 2006-02-07 Roger Sayle <roger@eyesopen.com>
14634 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14635 Correct comment describing BOOLEAN_TYPE.
14637 2006-02-07 Dirk Mueller <dmueller@suse.com>
14639 * c.opt: C++ frontend supports -Wdiv-by-zero.
14640 * c-opts.c (c_common_handle_option): Remove dead case.
14642 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14644 * configure.ac (TLS assembler check): Do not enable TLS by
14645 default on SPARC/Solaris before version 10.
14646 * configure: Regenerate.
14648 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14650 * doc/invoke.texi (xl-compat): Document conversion and support
14653 2006-02-07 Jeff Law <law@redhat.com>
14655 * tree-vrp.c (find_conditional_asserts): Update comments.
14656 (simplify_stmt_for_jump_threading): New.
14657 (identify_jump_threads, finalize_jump_threads): New.
14658 (vrp_finalize): Call identify_jump_threads.
14659 (execute_vrp): Call finalize_jump_threads.
14660 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14661 (vrp_element, vrp_data, vrp_element_p): Remove.
14662 (vrp_hash_elt, vrp_variables_stack): Remove.
14663 (vrp_hash, vrp_eq, record_range): Remove.
14664 (simplify_cond_and_lookup_avail_expr): Remove.
14665 (extract_range_from_cond): Remove.
14666 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14667 (simplify_stmt_for_jump_threading): New.
14668 (dom_thread_across_edge): New wrapper.
14669 (tree_ssa_dominator_optimize): No longer initialize or
14670 finalize any of the VRP datastructures. Remove iteration
14671 step and simplify as a result of removal of iteration step.
14672 (pass_dominator): Perform a cfg cleanup after DOM.
14673 (dom_opt_finalize_block): Use the new common routines
14674 for threading jumps. Simplify stack management slightly.
14675 No longer need to unwind VRP state.
14676 (record_equivalences_from_incoming_edge): No longer record
14678 (eliminate_redundant_computations): No longer call
14679 simplify_cond_and_lookup_avail_expr.
14680 * tree-flow.h (potentially_threadable_block): Prototype.
14681 (thread_across_edge): Likewise.
14682 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14683 (tree-ssa-threadedge.o): Add dependencies.
14684 * tree-ssa-threadedge.c: New file.
14685 * passes.c (init_optimization_passes): Merge PHIs before
14686 calling VRP. Run VRP again late in the SSA optimization pipeline.
14688 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14690 * df-core.c (df_set_blocks): Do not dereference function pointers.
14691 (df_finish1): Likewise.
14692 (df_hybrid_search_forward): Likewise.
14693 (df_hybrid_search_backward): Likewise.
14694 (df_iterative_dataflow): Likewise.
14695 (df_analyze_problem): Likewise.
14696 (df_compact_blocks): Likewise.
14697 (df_dump): Likewise.
14698 * df-scan.c (df_rescan_blocks): Likewise.
14699 (df_record_entry_block_defs): Likewise.
14701 * genconditions.c (write_conditions): Guard the definition of
14702 'insn_conditions' with the check on GCC version.
14703 (write_writer): Guard the traversal 'insn_conditions' with
14704 the check on GCC version.
14706 2006-02-07 Richard Guenther <rguenther@suse.de>
14710 2006-01-30 Richard Guenther <rguenther@suse.de>
14712 * gimplify.c (gimplify_target_expr): Handle easy cases
14713 without creating a temporary.
14715 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14717 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14718 use of float in probability computations. Use edge probabilities
14719 in place of statically computed probabilities.
14720 (min_spec_prob): New static variable.
14721 (schedule_insns): Initialize it.
14722 (GET_SRC_PROB): Removed.
14723 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14725 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14728 * config/ia64/unwind-ia64.c: Revert last change.
14729 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14730 (INCOMING_FRAME_SP_OFFSET): Define.
14732 2006-02-06 Roger Sayle <roger@eyesopen.com>
14734 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14736 2006-02-07 Ben Elliston <bje@au.ibm.com>
14738 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14739 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14740 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14741 (ix86_return_in_memory): Handle TDmode.
14742 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14743 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14745 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14747 * reorg.c (dbr_schedule): Use dump_file instead of file.
14749 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14752 * config/ia64/predicates.md (extr_len_operand): New predicate.
14753 * config/ia64/ia64.md (extv): Tighten constraints.
14755 (*tbit_and_2): Ditto.
14756 (*tbit_and_3): Ditto.
14757 (*tbit_or_2): Ditto.
14758 (*tbit_or_3): Ditto.
14759 (*bit_zero): Ditto.
14762 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14765 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14767 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14769 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14770 loop_optimizer_init and loop_optimizer_finalize
14771 * tree-ssa-sink.c (execute_sink_code): Ditto.
14772 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14773 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14774 tree_ssa_loop_done): Ditto.
14775 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14776 * sched-ebb.c: Include output.h.
14777 (schedule_ebbs): Do not use dump argument.
14778 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14779 * loop.c (loop_dump_stream): Removed.
14780 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14782 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14783 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14784 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14785 loop_iterations, strength_reduce, record_biv, record_giv,
14786 final_giv_value, check_final_value, check_ext_dependent_givs,
14787 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14788 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14789 dump_file instead of loop_dump_stream.
14790 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14791 argument dump_file.
14792 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14794 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14795 * haifa-sched.c: Include output.h
14796 (schedule_insns, sched_init): Do not use dump argument.
14797 * mode-switching.c (optimize_mode_switching): Ditto.
14798 * modulo-sched.c (stats_file): Removed.
14799 (print_node_sched_params): Do not call argument dump_file.
14800 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14801 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14803 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14805 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14806 rtl_loop_init, rtl_loop_done): Ditto.
14807 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14808 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14810 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14811 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14812 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14813 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14814 * emit-rtl.c (renumber_insns): Ditto.
14815 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14816 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14817 * regclass.c (regclass): Ditto.
14818 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14819 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14820 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14821 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14823 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14824 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14826 * gcse.c (gcse_file, debug_stderr): Removed.
14827 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14828 rest_of_handle_gcse): Do not use dump argument.
14829 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14830 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14831 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14832 compute_code_hoist_vbeinout, compute_code_hoist_data,
14833 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14834 compute_store_table, build_store_vectors, insert_insn_start_bb,
14835 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14836 store_motion): Use dump_file instead of gcse_file.
14837 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14838 * profile.c (profile_dump_file): Removed.
14839 (branch_prob): Use dump_file instead of profile_dump_file.
14840 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14842 * tree-ssa-copy.c (dump_copy_of): Ditto.
14843 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14844 dump file to life_analysis.
14845 * bt-load.c (branch_target_load_optimize): Ditto.
14846 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14848 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14849 regclass, dbr_schedule): Declaration changed.
14850 * sched-int.h (sched_init): Declaration changed.
14851 * tree-profile.c (tree_profile_dump_file): Removed.
14852 (tree_profile_hooks): Removed profile_dump_file hook.
14853 * rtl-profile (rtl_profile_dump_file): Removed.
14854 (rtl_profile_hooks): emoved profile_dump_file hook.
14855 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14857 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14858 * tree-cfg.c (build_tree_cfg): Ditto.
14859 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14860 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14861 Declaration changed.
14862 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14863 life_analysis and schedule_insns.
14864 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14866 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14868 * config/mips/mips.c (mips_reorg): Ditto.
14869 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14872 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14874 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14875 (s390_mangle_fundamental_type): New.
14876 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14879 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14880 (alpha_mangle_fundamental_type): New.
14881 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14884 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14886 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14888 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14889 (sparc_mangle_fundamental_type): New.
14891 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14893 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14894 (s390x-*-linux*): Likewise.
14895 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14896 * config/s390/t-linux: New file.
14898 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14900 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14901 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14903 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14905 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14906 (ANTIC_SAFE_LOADS): New macro.
14907 (find_or_generate_expression): Add prototype.
14908 (set_contains_value): Allow null set for sake of not always having
14909 to allocate ANTIC_SAFE_LOADS.
14910 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14911 Allow COMPONENT_REF too.
14912 (valid_in_set): Allow COMPONENT_REF.
14913 Check ANTIC_SAFE_LOADS too.
14914 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14915 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14917 (can_PRE_operation): Add COMPONENT_REF.
14918 (create_component_ref_by_pieces): New function.
14919 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14920 (insert_aux): Move AGGREGATE_TYPE_P check here.
14921 (compute_avail): Set bb local stmt uids.
14922 (pass_pre): Use TODO_update_ssa_only_virtuals.
14924 2006-02-06 Ben Elliston <bje@au.ibm.com>
14926 * configure.ac: Unconditionally disable decimal float by default.
14927 * configure: Regenerate.
14929 2006-02-06 Ben Elliston <bje@au.ibm.com>
14931 * read-rtl.c (read_name): Terminate reading on EOF.
14933 2006-02-06 Ben Elliston <bje@au.ibm.com>
14935 * dfp.c (decimal_real_arithmetic): Change second argument type
14936 from int to enum tree_code. Do not always return true, but now
14937 return result of any call to decimal_do helper functions.
14938 * dfp.h (decimal_real_arithmetic): Update prototype.
14940 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14942 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14944 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14947 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14950 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14952 * tree-vrp.c (cfg_loops): Removed.
14953 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14954 Use current_loops instead of cfg_loops. Pass flags to
14955 loop_optimizer_init.
14956 * cfgloopmanip.c (fix_loop_structure): Update only available
14958 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14959 loop_optimizer_init.
14960 * modulo-sched.c (build_loops_structure): Removed.
14961 (sms_schedule): Use loop_optimizer_init.
14962 * loop-init.c (loop_optimizer_init): Use flags to determine
14963 which properties of loops to prepare.
14964 (rtl_loop_init): Pass flags to loop_optimizer_init.
14965 * tree-ssa-sink.c (execute_sink_code): Ditto.
14966 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14967 * tree-ssa-pre.c (init_pre): Ditto.
14968 * cfgloop.h (LOOPS_NORMAL): New.
14969 (loop_optimizer_init): Declaration changed.
14971 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14973 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14974 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14976 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14978 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14980 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14981 * pa/t-pa64: Delete quadlib.c rule.
14982 * pa/x-ada: Revert last change.
14983 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14985 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14987 PR rtl-optimization/26087
14988 * rtlanal.c (canonicalize_condition): Do not cross basic block
14991 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14994 * config/ia64/ia64.c: Include debug.h.
14995 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14996 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14997 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14998 (process_epilogue, process_set, process_for_unwind_directive):
14999 Output unwind info only if requested. Add CFA info if requested.
15000 Add new arguments as needed. Adjust callers.
15001 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15003 (DWARF2_FRAME_INFO): Define to zero.
15004 * config/ia64/unwind-ia64.c: Remove code that compensated for
15005 the CFA offset error fixed above.
15006 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15007 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15008 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15009 -funwind-tables and -fexceptions to enable frame info.
15010 (dwarf2out_frame_init): Define initial CFA even if
15011 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15012 DWARF2_UNWIND_INFO is nonzero, not just defined.
15013 (dwarf2out_frame_finish): Output non-EH call frame info only
15014 if DWARF2_FRAME_INFO is nonzero.
15015 (convert_cfa_to_loc_list,
15016 compute_frame_pointer_to_cfa_displacement): Define even if
15017 unwind info is not supported.
15018 (gen_subprogram_die): Use the above unconditionally. Remove
15019 legacy alternate code.
15020 * toplev.c (compile_file): Compile in call to
15021 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15022 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15024 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15025 Jakub Jelinek <jakub@redhat.com>
15027 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15028 IBM extended float format long double as "g" on powerpc*-linux.
15030 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15033 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15034 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15036 2006-02-03 Jason Merrill <jason@redhat.com>
15039 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15041 PR middle-end/25977
15042 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15043 on the return slot if it's an NRV.
15045 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15047 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15048 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15049 rewrite_use): Do not handle USE_OUTER.
15050 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15051 add_iv_outer_candidates, may_replace_final_value,
15052 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15053 (find_interesting_uses_op): Functionality of
15054 find_interesting_uses_outer_or_nonlin moved here.
15055 (find_interesting_uses_outside): Use find_interesting_uses_op.
15057 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15060 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15062 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15063 Ulrich Weigand <uweigand@de.ibm.com>
15066 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15067 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15068 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15069 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15071 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15072 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15073 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15074 Define secondary reloads for TFmode moves.
15075 (constant_modes): Add TFmode.
15076 (NR_C_MODES): Set to 8.
15077 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15079 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15080 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15081 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15082 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15083 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15084 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15085 (FPR mode macro): Add TFmode.
15086 (DSF mode macro): New.
15087 (<de>, <dee> mode attributes): Removed.
15088 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15089 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15090 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15091 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15092 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15093 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15094 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15095 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15096 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15097 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15098 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15099 "*negabs<mode>2", "sqrt<mode>2"):
15100 Changed <de> to <xde>. R constraint replaced by <Rf>.
15101 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15103 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15104 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15105 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15107 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15108 "extenddftf2", "extendsftf2"): New expanders.
15109 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15110 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15111 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15112 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15114 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15115 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15116 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15117 __floatditf): Add a GCC_4.1.0 symbol version tag.
15118 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15121 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15124 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15125 Use targetm.binds_local_p instead of TREE_PUBLIC.
15127 2006-02-02 Roger Sayle <roger@eyesopen.com>
15129 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15130 on INTEGER_TYPEs to indicate that it denotes a character type.
15131 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15132 signed_char_type_node, unsigned_char_type_node and char_type_node.
15133 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15134 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15135 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15137 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15138 Daniel Berlin <dberlin@dberlin.org>
15140 * tree-tailcall.c (arg_needs_copy_p): New function.
15141 (eliminate_tail_call): Use arg_needs_copy_p.
15142 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15143 (add_virtual_phis): New function.
15145 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15147 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15148 #ignore instead of #scratch for %g7 .register directive.
15150 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15152 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15155 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15157 * flow.c (calculate_global_regs_live): Assert that there aren't any
15160 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15162 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15163 what its name says.
15164 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15165 bsi_after_labels iterator.
15166 * tree-if-conv.c (find_phi_replacement_condition,
15167 replace_phi_with_cond_modify_expr): Likewise.
15168 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15169 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15171 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15173 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15175 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15178 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15179 array after growing it.
15181 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15183 PR middle-end/24901
15184 * fold-const.c (fold_checksum_tree): Change type of buf.
15186 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15188 * reload.c (push_secondary_reload): Initialize t_icode.
15190 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15192 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15193 -msoft-float -mlong-double-128 only issue a warning, but don't
15194 swich to DFmode long double.
15196 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15198 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15199 has a constant equivalent, iterate over equivalents for arg0,
15200 calling simplify_relational_operation and if there's a result
15201 cheaper than X, apply fold_rtx and return the result.
15203 2006-02-01 Jan Hubicka <jh@suse.cz>
15205 * opts.c (no_unit_at_a_time_default): New global variable.
15206 (decode_options): Use it.
15207 * opts.h (no_unit_at_a_time_default): Declare.
15209 2006-02-01 Paul Brook <paul@codesourcery.com>
15211 * function.c (assign_parm_setup_reg): Use function argument promotion
15213 * expr.c (expand_expr_real_1): Use function argument promotion rules
15216 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15218 * gcc.c (process_command): Change j to 'unsigned int'.
15220 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15222 PR middle-end/26001
15223 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15224 Use the corrected index for the character
15225 out of the string constant.
15227 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15229 * mode-switching.c (optimize_mode_switching): Fix size
15230 allocated for bb_info[n_entities].
15232 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15234 * gcc.c (main): Correct type that is allocated for
15235 explicit_link_files.
15237 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15239 * config/s390/s390.c (init_alignment_context): Set
15240 ALIAS_SET_MEMORY_BARRIER on the MEM.
15241 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15243 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15245 PR middle-end/25933
15246 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15248 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15251 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15253 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15254 * regrename.c: Ditto.
15255 * tree-ssa-loop-im.c: Ditto.
15256 * tree-dump.c: Ditto.
15257 * tree-complex.c: Ditto.
15258 * genrecog.c: Ditto.
15259 * tree-ssa-threadupdate.c: Ditto.
15261 * java/class.c: Ditto.
15262 * java/jcf-parse.c: Ditto.
15263 * java/resource.c: Ditto.
15264 * java/except.c: Ditto.
15265 * java/jvspec.c: Ditto.
15266 * java/jcf-write.c: Ditto.
15267 * java/jcf-path.c: Ditto.
15268 * java/gjavah.c: Ditto.
15269 * java/zextract.c: Ditto.
15270 * java/jcf-io.c: Ditto.
15271 * java/jcf.h: Ditto.
15272 * java/buffer.c: Ditto.
15273 * java/lang.c: Ditto.
15274 * java/parse-scan.y: Ditto.
15275 * java/lex.c: Ditto.
15276 * java/lex.h: Ditto.
15277 * cfgloopmanip.c: Ditto.
15278 * postreload-gcse.c: Ditto.
15279 * tree-ssa-loop-manip.c: Ditto.
15280 * postreload.c: Ditto.
15281 * tree-ssa-loop-ch.c: Ditto.
15284 * cppspec.c: Ditto.
15285 * diagnostic.c: Ditto.
15287 * genoutput.c: Ditto.
15289 * cfghooks.c: Ditto.
15290 * cfgloopanal.c: Ditto.
15291 * objc/objc-act.c: Ditto.
15293 * genextract.c: Ditto.
15294 * genautomata.c: Ditto.
15295 * pretty-print.c: Ditto.
15296 * genemit.c: Ditto.
15297 * cgraphunit.c: Ditto.
15299 * df-scan.c: Ditto.
15300 * haifa-sched.c: Ditto.
15301 * dominance.c: Ditto.
15303 * tree-ssa-loop-ivopts.c: Ditto.
15304 * df-core.c: Ditto.
15305 * mode-switching.c: Ditto.
15306 * modulo-sched.c: Ditto.
15308 * ipa-pure-const.c: Ditto.
15310 * fix-header.c: Ditto.
15312 * tree-stdarg.c: Ditto.
15313 * ipa-utils.c: Ditto.
15314 * loop-init.c: Ditto.
15315 * ipa-inline.c: Ditto.
15316 * cfganal.c: Ditto.
15318 * alloc-pool.c: Ditto.
15319 * dwarf2out.c: Ditto.
15321 * genattrtab.c: Ditto.
15322 * tree-ssa-loop-ivcanon.c: Ditto.
15323 * predict.c: Ditto.
15324 * timevar.c: Ditto.
15326 * fortran/gfortranspec.c: Ditto.
15327 * regmove.c: Ditto.
15328 * local-alloc.c: Ditto.
15329 * langhooks.c: Ditto.
15330 * function.c: Ditto.
15331 * tree-vectorizer.c: Ditto.
15333 * ipa-type-escape.c: Ditto.
15335 * tree-if-conv.c: Ditto.
15336 * profile.c: Ditto.
15338 * tree-data-ref.c: Ditto.
15339 * loop-unroll.c: Ditto.
15340 * treelang/treetree.c: Ditto.
15342 * bt-load.c: Ditto.
15343 * ggc-common.c: Ditto.
15345 * coverage.c: Ditto.
15347 * tree-cfgcleanup.c: Ditto.
15348 * tree-ssa-pre.c: Ditto.
15349 * cfgcleanup.c: Ditto.
15350 * loop-invariant.c: Ditto.
15351 * loop-iv.c: Ditto.
15352 * ipa-prop.c: Ditto.
15353 * print-tree.c: Ditto.
15354 * conflict.c: Ditto.
15355 * ggc-page.c: Ditto.
15356 * sched-deps.c: Ditto.
15357 * regclass.c: Ditto.
15358 * tree-object-size.c: Ditto.
15359 * combine.c: Ditto.
15360 * bb-reorder.c: Ditto.
15361 * resource.c: Ditto.
15362 * var-tracking.c: Ditto.
15363 * cfgloop.c: Ditto.
15364 * df-problems.c: Ditto.
15365 * reg-stack.c: Ditto.
15367 * gccspec.c: Ditto.
15368 * sched-rgn.c: Ditto.
15369 * tree-ssa-structalias.c: Ditto.
15370 * tree-ssa-reassoc.c: Ditto.
15371 * config/darwin-c.c: Ditto.
15372 * config/darwin.c: Ditto.
15373 * config/arm/arm.c: Ditto.
15375 * collect2.c: Ditto.
15376 * reload1.c: Ditto.
15378 2006-01-31 Nicolas Pitre <nico@cam.org>
15380 * arm.md (smaxsi3): Make aware of smax_m1.
15383 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15385 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15387 2006-01-31 Richard Guenther <rguenther@suse.de>
15389 * doc/invoke.texi (-msselibm): Document.
15390 * target.h (expand_library_builtin): New target hook.
15391 * builtins.c (expand_builtin): Use expand_library_builtin.
15392 (default_expand_library_builtin): New function.
15393 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15394 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15395 (link_gcc_math_spec): Declare.
15396 (static_specs): Add link_gcc_math_spec.
15397 * expr.h (default_expand_library_builtin): Declare.
15398 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15399 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15400 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15401 * config/i386/i386.opt (msselibm): New target option.
15402 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15403 (ix86_init_sse_abi_builtins): New function.
15404 (ix86_expand_library_builtin): Likewise.
15405 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15406 (override_options): Handle error conditions wrt -msselibm.
15407 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15408 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15409 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15412 2006-01-31 Richard Guenther <rguenther@suse.de>
15413 Paolo Bonzini <bonzini@gnu.org>
15415 * doc/install.texi (--disable-libgcc-math): Document.
15417 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15419 * expr.h (expand_normal): new inline function.
15420 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15421 * dojump.c: use it.
15422 * dwarf2out.c: use it.
15425 * expmed.c: use it.
15426 * except.c: use it.
15427 * config/sparc/sparc.c: use it.
15428 * config/i386/i386.c: use it.
15429 * config/rs6000/rs6000.c: use it.
15430 * config/arm/arm.c: use it.
15431 * config/mips/mips.c: use it.
15432 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15434 2006-01-30 Roger Sayle <roger@eyesopen.com>
15436 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15437 argv to the appropriate type.
15439 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15441 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15444 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15447 * config/s390/s390.c (struct machine_function): New flag
15448 decomposed_literal_pool_addresses_ok_p.
15449 (s390_reorg): Set it before final stage of literal pool transforms.
15450 (s390_decompose_address): Only accept displacements of the form
15451 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15453 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15455 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15456 the comparison routine return.
15458 2006-01-30 Michael Matz <matz@suse.de>
15460 * global.c (find_reg): Only evict for global regs.
15461 Take n_refs into account and dump more info.
15463 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15466 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15467 (pragma_trap, pragma_nosave_low_regs): Likewise.
15468 (current_function_anonymous_args): Likewise.
15469 (sh_deferred_function_attributes): New variable.
15470 (sh_deferred_function_attributes_tail): Likewise.
15471 (print_operand): For '@', look up trap_exit attribute.
15472 (calc_live_regs): Look up trapa_handler attribute. For trapa
15473 handlers, save/restore fpscr, but don't do any other
15474 interrupt-specific saves.
15475 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15476 Fix check for partially saved registers to check for SHmedia.
15477 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15478 (sh_output_function_epilogue): Don't clear any of the removed
15480 (sh_insert_attributes): Don't check pragma_interrupt.
15481 Insert deferred attributes. Check that interrupt attribute is
15482 present for other attributes that require its presence.
15483 (sh_attribute_table): Add new attributes trapa_handler and
15485 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15486 Don't check for pragma_interrupt. Don't store argument.
15487 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15488 (sh_deferred_function_attributes): Declare.
15489 (sh_deferred_function_attributes_tail): Likewise.
15490 * sh.md (sp_switch_1): Add operand. Change generator caller.
15491 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15492 (*return_i): Don't use when trap_exit attribute is in effect.
15493 (*return_trapa): New insn pattern.
15494 * sh-c.c: New file.
15495 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15496 setting c_target_objs and cxx_target_objs.
15497 * t-sh: Add rule for sh-c.o.
15499 2006-01-30 Richard Guenther <rguenther@suse.de>
15502 * gimplify.c (gimplify_target_expr): Handle easy cases
15503 without creating a temporary.
15505 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15507 * vec.h (safe_grow): Remove duplicated line.
15509 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15512 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15513 (expand_omp): ... here.
15514 (expand_omp_parallel): Only remove barriers for combined
15515 parallel+workshare constructs.
15517 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15521 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15522 * tree.c (build_qualified_type): Chain the new type to the original
15523 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15524 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15525 (build_pointer_type_for_mode): Only return unqualified types.
15526 (build_reference_type_for_mode): Likewise.
15528 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15530 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15531 * Makefile.in (CXX_COMPAT_WARN): Define.
15532 * configure: Regenerate.
15534 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15537 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15540 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15542 * toplev.c: Fix thinko.
15544 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15545 Marcin Dalecki <martin@dalecki.de>
15547 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15548 (push_srcloc): Use XNEW.
15549 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15551 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15553 * df-core.c (df_set_blocks): Deleted all variable.
15555 2006-01-28 Ian Lance Taylor <ian@airs.com>
15557 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15558 cgraph_output_pending_asms.
15560 2006-01-28 Zack Weinberg <zackw@panix.com>
15562 * c.opt: Add -W(no-)overlength-strings.
15563 * doc/invoke.texi: Document it.
15564 * c-opts.c (c_common_handle_option): -pedantic implies
15565 -Woverlength-strings, if not explicitly disabled already.
15566 (c_common_post_options): -Woverlength-strings defaults to off, and
15567 is always off for C++.
15568 * c-common.c (fix_string_type): Issue warning about strings longer
15569 than is portable only if warn_overlength_strings. Rearrange code
15570 a little for clarity.
15571 * configure.in: Check for -Wno-overlength-strings as well before
15572 enabling -pedantic in stage 1.
15573 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15574 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15576 * genconditions.c (write_header, write_one_condition)
15577 (write_conditions, write_writer): Consolidate very long strings
15578 that were broken up to fit in C89 portable limit. Don't use
15579 printf when fputs will do.
15581 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15583 * combine.c (simplify_comparison <AND>): Check
15584 TRULY_NOOP_TRUNCATION before start using a subreg.
15586 * config/mips/mips.md (*branch_zero<mode>,
15587 *branch_zero<mode>_inverted, *branch_equality<mode>,
15588 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15589 Remove mode check from comparisons.
15591 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15593 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15595 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15597 * expmed.c (const_mult_add_overflow_p): Remove.
15598 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15600 * recog.c (validate_replace_rtx_subexp): Remove.
15601 * recog.h: Remove the prototype for
15602 validate_replace_rtx_subexp.
15604 * integrate.h: Remove the prototype for
15605 copy_decl_for_inlining.
15606 * rtl.h: Remove the prototype for mark_constant_function.
15607 * tree-vectorizer.h: Remove the prototype for
15608 vect_strip_conversion.
15610 * modulo-sched.c (create_partial_schedule,
15611 free_partial_schedule, reset_partial_schedule): Make them
15614 * hooks.c (hook_bool_rtx_int_false): Remove.
15615 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15617 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15619 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15620 and -mlong-double-128 are incompatible.
15621 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15622 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15623 (TARGET_LIBGCC2_CFLAGS): Define.
15624 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15625 (TARGET_LIBGCC2_CFLAGS): Same.
15626 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15628 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15631 * c-typeck.c (build_binary_op): Perform implicit casts of
15632 operands before shortening them.
15634 * cfgloopmanip.c (split_loop_bb): Remove.
15635 * cfgloop.h: Remove the prototype for split_loop_bb.
15637 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15638 * cfgloop.h: Remove the prototype for
15639 flow_loop_outside_edge_p.
15641 * emit-rtl.c (init_virtual_regs): Make it static.
15642 * function.h: Remove the prototype for init_virtual_regs.
15644 * recog.c (peephole2_optimize): Make it static.
15645 * recog.h: Remove the prototype for peephole2_optimize.
15647 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15649 * df-scan.c (df_record_entry_block_defs): Check if
15650 INCOMING_RETURN_ADDR_RTX is defined.
15652 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15653 Kenneth Zadeck <zadeck@naturalbridge.com>
15655 PR rtl-optimization/24762
15656 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15657 * targhooks.c (hook_void_bitmap): New hook prototype.
15658 * targhoohs.h (hook_void_bitmap): Ditto.
15659 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15660 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15661 * target.h (live_on_entry): New function pointer.
15662 * df-scan.c (df_all_hard_regs): Removed.
15663 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15664 (df_scan_free_internal): Added df->entry_block_defs.
15665 (df_scan_alloc): Ditto.
15666 (df_scan_dump): Ditto.
15667 (df_uses_record): Plumbed flag field properly thru calls.
15668 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15669 This part fixes PR24762.
15670 (df_bb_refs_record): Added code to make the frame and arg
15671 pointers live in EH blocks.
15672 (df_refs_record): Added call to df_record_entry_block_defs.
15673 (df_record_entry_block_defs): New function.
15674 * df-core.c: Added comments to describe new artifical defs.
15675 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15676 (entry_block_defs): New field in struct df.
15677 (df_all_hard_regs): Deleted.
15678 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15679 * df-problems.c (df_ru_bb_local_compute_process_def):
15680 Added code to handle artifical defs in the entry to a function.
15681 (df_ru_bb_local_compute): Ditto.
15682 (df_rd_bb_local_compute_process_def): Ditto.
15683 (df_rd_bb_local_compute): Ditto.
15684 (df_lr_bb_local_compute): Ditto.
15685 (df_ur_bb_local_compute): Ditto.
15686 (df_urec_bb_local_compute): Ditto.
15687 (df_chain_create_bb): Ditto.
15688 (df_ur_local_finalize): Removed entry.
15689 (df_urec_init): Ditto.
15690 (df_urec_local_finalize): Ditto.
15691 (df_ri_bb_compute): Added detection of last use of pseudos.
15692 * Makefile.in (df-scan.o): Updated dependencies.
15693 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15694 * config/mips/mips.c (mips_set_live_on_entry): Added.
15695 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15697 * dce.c (marked_insn_p): Added code to handle artifical defs.
15699 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15701 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15703 (_mm_cvtsi128_si64): Likewise.
15704 (_mm_cvtsd_si64): Likewise.
15705 (_mm_cvttsd_si64): Likewise.
15706 (_mm_cvtsi64_sd): Likewise.
15707 (_mm_cvtsi64_si128): Likewise.
15708 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15709 (_mm_cvtsi64_m64): Likewise.
15710 (_m_to_int64): Likewise.
15711 (_mm_cvtm64_si64): Likewise.
15712 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15713 (_mm_cvttss_si64): Likewise.
15714 (_mm_cvtsi64_ss): Likewise.
15715 (_mm_cvtss_f32): Likewise.
15717 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15719 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15720 for pragma redefine_extname.
15722 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15725 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15726 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15727 -mno-minimal-toc to previous content.
15728 (bispecs): Remove goal.
15729 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15730 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15731 compatibility aliases on powerpc-*-*gnu*.
15732 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15733 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15734 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15735 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15736 (ldblspecs): New goal.
15737 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15738 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15740 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15741 L_sf_to_tf or L_df_to_tf is defined.
15743 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15744 Alan Modra <amodra@bigpond.net.au>
15747 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15748 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15749 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15750 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15751 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15752 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15753 (rs6000_override_options): Initialize rs6000_ieeequad.
15754 Initialize TFmode format to ibm_extended_format if not
15756 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15758 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15759 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15760 (function_arg_advance): IBM long double passed in two FPRs, not
15762 (function_arg): IBM long double passed in FPRs.
15763 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15764 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15765 Only multireg GPR aligned.
15766 (rs6000_init_libfuncs): Enable IBM long double functions if not
15768 (rs6000_generate_compare): Use IBM long double compare if not
15770 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15771 (TARGET_IEEEQUAD): Define.
15772 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15773 not TARGET_IEEEQUAD.
15774 * config/rs6000/rs6000.md: Enable TFmode patterns if
15776 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15777 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15778 and -mlong-double-128 are incompatible.
15779 * doc/invoke.texi (-mabi): Collect options together. Add
15780 ibmlongdouble and ieeelongdouble.
15782 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15784 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15786 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15787 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15788 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15789 * rtl.h (rtunion_def): Remove rt_ptr.
15791 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15792 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15793 * config/i386/winnt.c (i386_pe_mark_dllexport)
15794 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15796 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15798 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15800 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15804 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15805 pthread_key_delete. From John David Anglin. gthrw-ify
15806 pthread_getunique_np only if it it's not a macro. Delete
15808 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15809 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15810 __gthread_objc_condition_signal, __gthread_key_delete): Add
15811 "__attribute__ ((__unused__))" to unused arguments.
15812 (__gthread_recursive_mutex_init_function): Add missing return.
15813 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15814 gthr-posix95.h: Use macro-based approach for name redirection
15815 on targets missing weakref.
15817 2006-01-26 Zack Weinberg <zackw@panix.com>
15819 * genconditions.c (write_header): In generated code, #ifdef out
15820 all includes and fake declarations, except includes of bconfig.h
15821 and system.h, unless GCC_VERSION >= 3001. Do not include
15822 gensupport.h in any case.
15823 (write_conditions): Generate a definition of struct c_test. Add
15824 a comment to the generated #endif.
15825 (write_one_condition): Escape backslashes in string too.
15826 (write_writer): Generated code must escape backslashes and quote
15827 marks (but not newlines) in the strings it writes.
15828 * Makefile.in (build/gencondmd.o): Update dependencies.
15830 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15833 * Makefile.in (insn-automata.o): Add header file dependencies.
15834 * genautomata.c: Add includes.
15836 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15839 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15841 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15843 * configure.ac: Expect target tools paths to be passed from the toplevel
15844 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15846 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15848 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15851 * c.opt (Wpointer-sign): Init to -1.
15852 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15853 OPT_pedantic, to 0 otherwise.
15854 * doc/invoke.texi: Update.
15856 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15858 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15859 constants provided by 80387 instructions in the destination mode.
15861 2006-01-26 Richard Guenther <rguenther@suse.de>
15862 Andrew Pinski <pinskia@physics.uc.edu>
15865 partial PR tree-opt/17064
15866 * tree-ssa-structalias.c (intra_create_variable_infos):
15867 Create heap variables for incoming parameters if
15868 flag_argument_noalias > 1.
15869 (find_what_p_points_to): Look through default defs of
15872 2006-01-26 Jeff Law <law@redhat.com>
15875 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15876 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15877 within the VR_RANGE, use the VR_RANGE as the result, not the
15879 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15880 bounds for the type.
15882 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15884 * tree-ssa-alias.c (maybe_create_global_var): Change
15885 subvar walking to an assertion that we don't have subvar'd variables.
15887 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15890 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15891 Use a new variable, inner. PARM_DECLs are always non-weak.
15893 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15895 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15896 --disable-checking.
15898 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15900 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15902 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15904 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15905 (smax_insn, smin_insn, smax_0, smin_0): New.
15907 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15910 * config/cris/cris.c (cris_order_for_addsi3): New function.
15911 * config/cris/cris-protos.h: Prototype it.
15912 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15913 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15914 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15915 (split for "op.S1 [rx=rx+i],ry (swapped)")
15916 (split for "op(s|u).S1 [rx=rx+i],ry")
15917 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15918 Apply cris_order_for_addsi3 when generating addsi3 insns.
15920 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15922 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15923 (TREE_BLOCK): Add call to EXPR_CHECK.
15925 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15928 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15929 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15930 (dump_omp_clauses): ... here.
15931 (dump_generic_node): Handle OMP_CLAUSE.
15932 * tree.c (omp_clause_num_ops): New.
15933 (omp_clause_code_name): New.
15934 (tree_code_size): Handle OMP_CLAUSE.
15935 (tree_size): Likewise.
15936 (make_node): Document handling of OMP_CLAUSE.
15937 (tree_node_structure): Handle OMP_CLAUSE.
15938 (omp_clause_check_failed): New.
15939 (omp_clause_range_check_failed): New.
15940 (omp_clause_operand_check_failed): New.
15941 (build_omp_clause): New.
15942 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15943 * tree.h (enum omp_clause_code): Declare.
15944 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15945 (OMP_CLAUSE_RANGE_CHECK): Define.
15946 (OMP_CLAUSE_ELT_CHECK): Define.
15947 (omp_clause_check_failed): Declare.
15948 (omp_clause_operand_check_failed): Declare.
15949 (omp_clause_range_check_failed): Declare.
15950 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15951 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15952 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15953 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15954 (OMP_CLAUSE_IF_EXPR): Likewise.
15955 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15956 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15957 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15958 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15959 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15960 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15961 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15962 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15963 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15964 (OMP_CLAUSE_CODE): Define.
15965 (OMP_CLAUSE_SET_CODE): Define.
15966 (OMP_CLAUSE_CODE): Define.
15967 (OMP_CLAUSE_OPERAND): Define.
15968 (struct tree_omp_clause): Declare.
15969 (union tree_node): Add field 'omp_clause'.
15970 * treestruct.def (TS_OMP_CLAUSE): Define.
15971 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15972 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15973 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15974 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15975 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15976 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15977 (OMP_CLAUSE): Define.
15978 * print-tree.c (print_node): Handle OMP_CLAUSE.
15979 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15980 * c-typeck.c: Likewise.
15981 * gimplify.c: Likewise.
15982 * c-omp.c: Likewise.
15983 * tree-nested.c: Likewise.
15984 * tree-inline.c: Likewise.
15985 * c-parser.c: Likewise.
15986 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15989 2006-01-25 Roger Sayle <roger@eyesopen.com>
15991 PR rtl-optimization/25703
15992 * combine.c (try_combine): Handle zero_extract and strict_low_part
15993 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15995 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15997 * global.c: Fix comment typos.
15999 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16002 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16003 Use output_addr_const instead of assemble_name.
16005 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16007 * Makefile.in (sched-vis.o): Update dependencies.
16008 * haifa-sched.c (sched_finish): Clear current_sched_info.
16009 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16010 (dump_flow_info): Call it.
16011 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16013 * basic-block.h (dump_bb_info): Declare.
16014 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16015 option, and apply options only for dump files whose TDF_RTL,
16016 TDF_TREE, or TDF_IPA bits match.
16017 * rtl.h: Declare new functions exported from sched-vis.c.
16018 * sched-vis.c: Enable also if scheduling is not used.
16019 (print_value): Print the mode of registers if not inside scheduling.
16020 (print_insn): Make it work outside the scheduler. Beautify the output
16022 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16024 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16026 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16027 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16028 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16029 depending on the value of CONSTANT_POOL_ADDRESS_P.
16030 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16032 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16033 rather than SYMBOL_REF_DECL.
16034 (rtx_constant_pool): Remove const_rtx_sym_htab.
16035 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16036 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16037 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16038 Remove handling of const_rtx_sym_htab.
16039 (find_pool_constant): Delete.
16040 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16041 rather than find_pool_constant.
16042 (get_pool_constant_for_function): Delete.
16043 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16044 find_pool_constant.
16045 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16046 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16047 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16048 (SYMBOL_REF_CONSTANT): New macro.
16049 (get_pool_constant_for_function): Delete.
16050 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16051 rather than SYMBOL_REF_DECL.
16052 (i386_pe_mark_dllimport): Likewise.
16053 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16054 rather than SYMBOL_REF_DECL.
16055 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16056 (machopic_indirect_call_target): Likewise.
16058 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16060 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16062 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16064 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16066 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16068 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16070 2006-01-24 David Daney <ddaney@avtrex.com>
16073 * configure.ac (enable_tls): New enable option.
16074 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16075 * configure: Regenerate.
16076 * doc/install.texi (--enable-tls): Document new option.
16077 (--disable-tls): Ditto.
16079 2006-01-24 Richard Henderson <rth@redehat.com>
16081 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16082 * alias.c (true_dependence): Respect it.
16083 (canon_true_dependence, write_dependence_p): Likewise.
16084 * builtins.c (get_builtin_sync_mem): Set it.
16086 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16088 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16091 2006-01-24 DJ Delorie <dj@redhat.com>
16093 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16094 for storing constants in single-bit bitfields.
16096 2006-01-25 Ben Elliston <bje@au.ibm.com>
16098 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16100 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16103 * tree-ssa-pre.c (phi_translate): Return NULL
16104 for AGGREGATE_TYPE's.
16106 2006-01-24 Zack Weinberg <zackw@panix.com>
16108 * genautomata.c (process_state_for_insn_equiv_partition):
16109 Use xcalloc for insn_arcs_array.
16110 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16111 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16113 2006-01-24 Richard Henderson <rth@redhat.com>
16115 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16116 update all callers.
16118 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16120 PR rtl-optimization/25890
16121 PR rtl-optimization/25905
16122 * combine.c (expand_compound_operation, expand_field_assignment):
16123 Fail if the bitfield's final position is out of bounds.
16125 2006-01-24 Ian Lance Taylor <ian@airs.com>
16127 PR middle-end/25930
16128 * cgraphunit.c (cgraph_output_in_order): Don't clear
16129 cgraph_asm_nodes until after asm strings have been output.
16131 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16133 * fix-header.c (read_scan_file): Add new parameter imultilib when
16134 calling register_include_chains.
16136 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16138 * omp-low.c: Update documentation.
16140 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16141 Daniel Berlin <dberlin@dberlin.org>
16145 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16146 return from the function.
16148 2006-01-22 Zack Weinberg <zackw@panix.com>
16150 * rtl.def (match_code): Add second argument.
16151 * genpreds.c (write_extract_subexp): New function.
16152 (write_match_code): Add path argument. Use write_extract_subexp.
16153 (write_predicate_expr): Pass path to write_match_code.
16154 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16155 not perform a mode test.
16156 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16157 a subexpression does not constrain the top-level code set.
16158 * read-rtl.c (read_rtx_variadic): New function.
16159 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16160 * doc/md.texi: Document new notation.
16161 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16162 (cmpsi_operand): ... here, using new notation.
16164 2006-01-22 Zack Weinberg <zackw@panix.com>
16166 * varray.c: Remove GENERATOR_FILE #ifdefs.
16168 2006-01-22 Zack Weinberg <zackw@panix.com>
16170 * genautomata.c (output_reserved_units_table): Emit nothing if
16171 description->query_units_num is zero. Remove extra blank line.
16172 (output_cpu_unit_reservation_p): Short circuit
16173 if description->query_units_num is zero.
16175 2006-01-22 Zack Weinberg <zackw@panix.com>
16177 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16178 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16179 nor any of the random handful of variables that used to be necessary
16180 when this program was linked with rtlanal.o. Prune set of forward
16181 function declarations.
16182 (struct attr_desc): Remove static_p field.
16183 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16184 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16185 (attr_string): Do not read the character one past the length of
16187 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16188 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16189 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16190 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16191 (make_automaton_attrs): New.
16192 (main): Do not call into genautomata. Call local gen_bypass
16193 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16194 Remove special case for insn_alts.
16195 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16196 varray.h (leftover from previous change). Prune set of forward
16197 function declarations. Remove state_alts fields from all
16198 structures. Remove state_alts_table from struct automaton.
16199 Make everything except main static. Do not maintain num_dfa_decls.
16200 Do not maintain state_alts fields of various structures.
16201 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16202 (add_arc): Remove state_alts argument. All callers updated.
16203 (output_reserved_units_table): Emit #ifdef here...
16204 (output_tables): ...not here. Don't generate state_alts tables.
16205 (expand_automata): Don't generate attributes.
16206 (write_automata): Don't generate state_alts functions.
16207 (main): New function.
16208 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16209 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16210 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16211 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16212 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16213 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16214 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16215 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16217 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16218 * genattrtab.h: Delete file.
16219 * Makefile.in (OBJS-common): Add insn-automata.o.
16220 (insn-automata.o): New rule.
16221 (simple_generated_c): Add insn-automata.c.
16222 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16223 (genprogmd): Add automata.
16224 (build/genattrtab): Needs no extra objects nor libraries.
16225 (build/genautomata): Needs build/vec.o and -lm.
16227 2006-01-22 Zack Weinberg <zackw@panix.com>
16229 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16230 (output_dfa_max_issue_rate, locked_states_num): Delete.
16231 (struct automaton): Add locked_states field.
16232 (output_dead_lock_vect): Save number of locked states in
16233 automaton->locked_states. If it is zero, don't print anything.
16234 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16235 (output_internal_dead_lock_func): Only test the dead_lock_vect
16236 for automata that have locked states.
16237 (output_statistics): Always print the number of locked states for
16238 each automaton. Calculate total number of locked states here.
16239 (write_automata): Don't call output_dfa_max_issue_rate.
16240 * genattrtab.c: Define length_unit_log as a const variable.
16241 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16242 max_insn_queue_index const.
16243 * final.c (length_unit_log): Declare const.
16244 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16246 2006-01-22 Zack Weinberg <zackw@panix.com>
16248 * genautomata.c: Include vec.h, not varray.h.
16249 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16250 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16251 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16252 VEC_* macros operating on appropriately typed vectors, or to
16253 malloced arrays when the size is known in advance. Const-ify
16254 many char* variables and function arguments. No functional changes.
16255 * Makefile.in (build/varray.o): Delete rule.
16256 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16257 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16259 2006-01-22 Zack Weinberg <zackw@panix.com>
16261 * gensupport.c: Define get_insn_name and record_insn_name here.
16262 (read_md_rtx): Call record_insn_name as appropriate.
16263 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16264 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16265 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16267 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16268 (BUILD_VARRAY): Delete.
16269 (genprognormal): Rename genprogmd. Fold in all programs from
16270 genprognoprint; also attrtab.
16271 (build/genattrtab): Just mention genautomata.o and varray.o.
16272 Reorganize a bit, add comments to make the categories clearer.
16274 2006-01-22 Zack Weinberg <zackw@panix.com>
16276 * genconditions.c (condition_table, add_condition): Delete.
16277 (write_conditions): Don't emit n_insn_conditions nor
16278 insn_elision_unavailable. Issue the gcc version #ifdef here,
16279 inside the table, with no #else clause ...
16280 (write_header): ...not here.
16281 (write_writer): New function.
16282 (main): Don't initialize condition_table. Use add_c_test.
16284 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16285 files on the command line.
16286 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16287 Return -1 if there is no entry in the table, don't abort.
16288 (add_c_test, traverse_c_tests): New functions.
16289 * gensupport.h (insn_elision_unavailable, insn_conditions)
16290 (n_insn_conditions): Delete declarations.
16291 (add_c_test, traverse_c_tests): Declare.
16292 * read-rtl.c: Include gensupport.h.
16293 (read_conditions): New function.
16294 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16295 (read_rtx_1): If we get EOF when we were looking for an initial
16296 open paren, return 0. Call read_conditions when appropriate.
16297 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16298 dummy-conditions.o. Eliminate references to insn-conditions.o,
16299 or change them to build/gencondmd.o, as appropriate. Remove
16300 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16301 from $(simple_generated_c). For all files remaining in those
16302 two lists, add insn-conditions.md to the generator command line.
16303 Give insn-constants.h/s-constants their own rules. Add rules
16304 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16305 (build/read-rtl.o): Depend on gensupport.h.
16306 (genprognormal): Include preds.
16307 (genprogearly): Rename genprognoprint; only difference is now that
16308 they don't link with $(BUILD_PRINT).
16309 * dummy-conditions.c: Delete.
16311 2006-01-22 Zack Weinberg <zackw@panix.com>
16313 * genextract.c: Don't include insn-config.h. Do include vec.h.
16314 Declare vectors of int, char, and locstr.
16315 (locstr): New typedef.
16316 (struct extraction): Make all array fields into bare pointers.
16317 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16318 (insn_code_number): Delete.
16319 (accum_extract): New struct.
16320 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16321 (gen_insn): Take insn_code_number as an argument. Use an
16322 accum_extract structure instead of loading data directly into
16323 a struct extraction, and having to know how big it might get.
16324 (walk_rtx): Operate entirely on an accum_extract structure.
16325 (print_path): Avoid unnecessary use of printf.
16326 (print_header): New function, split out of main. Distinguish
16327 more carefully between an unrecognizable insn and an insn that
16328 has the code number of a define_expand.
16329 (main): Pass insn_code_number to gen_insn. Call print_header
16330 only after parsing. Avoid unnecessary use of printf.
16331 * Makefile.in (build/vec.o): New rule.
16332 (build/genextract): Depend on build/vec.o.
16333 (build/genextract.o): Don't depend on insn-config.h.
16335 2006-01-22 Zack Weinberg <zackw@panix.com>
16337 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16338 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16339 practical. Eliminate per-generator-program link rules.
16341 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16343 PR middle-end/24437
16344 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16345 with a call expr to ...
16346 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16348 2006-01-23 Richard Guenther <rguenther@suse.de>
16350 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16351 before make_edge with conditional EDGE_TRUE_VALUE.
16353 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16354 Jan Hubicka <jh@suse.cz>
16355 Richard Guenther <rguenther@suse.de>
16357 PR rtl-optimization/25654
16358 * cfgexpand.c (aggregate_contains_union_type): New function.
16359 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16360 for structure variables that contain a union type.
16362 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16364 * gengtype.c (new_structure): Return the structure.
16365 (create_option): Add an extra "next" argument.
16366 (create_field): New function.
16367 (adjust_field_rtx_def): Use create_option and create_field.
16368 Remove a now-unnecessary call to find_structure.
16369 (adjust_field_tree_def): Likewise.
16370 (note_yacc_type): Remove an unnecessary call to find_structure.
16371 * gengtype.h (new_structure): Return the structure.
16372 (create_option): Add an extra argument.
16373 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16374 (option): Adjust calls to create_option.
16376 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16378 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16380 2006-01-22 Paul Brook <paul@codesourcery.com>
16381 Peter Barada <peter@the-baradas.com>
16383 * config/m68k/m68k.md: Add Coldfire FPU support.
16384 Define FP mode macro and associated attributes.
16385 Use it for float mode patterns.
16386 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16387 (LIBCALL_VALUE): Use m68k_libcall_value.
16388 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16389 (m68k_function_value): Ditto.
16390 (emit_move_sequence): Ditto.
16391 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16392 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16393 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16394 (MULTILIB_EXCEPTIONS): Ditto.
16395 * config/m68k/m68k.opt: Add mcfv4e.
16396 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16397 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16398 (m68k_output_function_prologue): Save ColdFire FPU registers.
16399 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16400 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16401 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16402 ColdFire FPU registers.
16403 (m68k_libcall_value, m68k_function_value): New functions.
16404 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16405 (LIBCALL_VALUE): Use m68k_libcall_value.
16406 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16407 (MASK_COLDFIRE): Add MASK_CFV4E.
16408 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16409 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16410 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16411 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16412 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16413 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16414 * doc/invoke.tex: Document -mcfv4e on m68k.
16416 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16418 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16421 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16424 * c-opts.c (c_common_handle_option): Don't include
16425 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16426 * doc/invoke.texi (C++ Dialect Options): Document that
16427 -Wnon-virtual-dtor is no longer included in -Wall.
16429 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16431 * gcov.c (print_version), gcov-dump.c (print_version),
16432 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16435 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16437 * df-scan.c (problem_SCAN): Added NULL reset function.
16438 (df_scan_reset_blocks): Added code to call reset block function
16439 (df_bb_refs_delete) Fixed comment.
16440 (df_insn_refs_delete): Made tolerant of deleting non existent info
16441 for dataflow problems that need to be reset.
16442 * df-core.c (df_set_blocks): Ditto.
16443 * df.h (struct df_problem): Added reset_fun.
16444 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16445 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16446 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16447 functions to clear out all references to def-use or use-def chains.
16449 2006-01-21 Ben Elliston <bje@au.ibm.com>
16451 * varasm.c (assemble_real): Initialise data array.
16453 2006-01-20 Paul Brook <paul@codesourcery.com>
16455 Merge from csl-arm-branch.
16456 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16457 * config/arm/arm.md (movdi): Force operands[1] to a register
16458 if we have a non-register source.
16459 (*arm_movdi, *movdf_soft_insn): Require that one of the
16460 operands be a register.
16461 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16462 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16464 2006-01-20 DJ Delorie <dj@redhat.com>
16466 * varasm.c (initializer_constant_valid_p): Allow pointers
16467 initialized from integer constants of lesser precision.
16468 (output_constant): Allow non-int-sized pointer modes to be
16469 initialized from integer constants.
16471 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16474 * cppdefault.h (struct default_include): Add multilib flag.
16475 * cppdefault.c (cpp_include_defaults): Set it.
16476 * c.opt (-imultilib): New option.
16477 * c-opts.c (imultilib): New.
16478 (c_common_handle_option): Handle -imultilib.
16479 (c_common_post_options): Likewise.
16480 * c-incpath.c (add_standard_paths, register_include_chains):
16482 * c-incpath.h (register_include_chains): Add extra parameter.
16483 * gcc.c (do_spec_1): Generate -imultilib option.
16484 (The Specs Language): Update %I description.
16485 (process_command): Update copyright notice.
16486 * doc/cppopts.texi (-imultilib): Document.
16487 * doc/invoke.texi (-imultilib): Include in option summary.
16488 (%I): Update specs documentation.
16490 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16492 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16494 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16496 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16499 2006-01-20 Richard Guenther <rguenther@suse.de>
16500 Steven Bosscher <stevenb.gcc@gmail.com>
16502 PR rtl-optimization/24626
16503 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16504 EDGE_TRUE_VALUE if in RTL mode.
16507 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16508 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16510 2006-01-20 Dirk Mueller <dmueller@suse.com>
16513 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16514 instead of a special NOP marker.
16515 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16516 NOP marker handling.
16517 * c-common.h (empty_body_warning): Add forward declaration.
16518 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16519 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16521 2006-01-20 Paul Brook <paul@codesourcery.com>
16523 * Makefile.in (lang_checks): Keep going if mkdir fails.
16525 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16527 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16528 be able to clean out basic block when not necessary.
16529 (df_scan_free): Fixed to properly delete information if df is
16530 unused before calling df_finish.
16531 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16532 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16534 (df_bb_refs_delete): New function.
16535 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16536 * df-core.c (df_set_blocks): Added code to properly clean out
16537 unused blocks if they are not part of the blocks to consider.
16538 Added additional null check.
16539 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16540 be able to clean out basic block when not necessary
16541 * df.h (df_free_bb_function): Ditto.
16542 (df_bb_refs_delete): New function.
16543 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16544 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16545 basic block parameter to be able to clean out basic block when not
16547 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16548 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16549 Fixed to properly delete information if df is unused before
16552 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16554 PR rtl-optimization/25799
16555 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16556 Corrected confluence operator to remove bits from op2 before oring
16557 with op1 rather than removing bits from op1.
16558 (df_ru_transfer_function): Corrected test on wrong bitmap which
16559 caused infinite loop. Both of these problems were introduced in
16560 the dataflow rewrite.
16562 2006-01-19 DJ Delorie <dj@redhat.com>
16564 * reload1.c (find_reload_regs): Note the details of reload
16565 failures in the dump file.
16566 (spill_failure): Likewise.
16568 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16570 * loop-iv.c: Include df.h and hashtab.h.
16571 (enum iv_grd_result): New enum.
16572 (DF_REF_IV, DF_REF_IV_SET): New macros.
16573 (struct biv_entry): New.
16574 (df, bivs): New global variables.
16575 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16576 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16578 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16579 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16580 analyzed_for_bivness_p, record_biv): New functions.
16581 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16582 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16583 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16585 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16587 (iv_number_of_iterations): Use new interface to iv analysis.
16588 * loop-unroll.c: Do not include varray.h.
16589 (analyze_iv_to_split_insn): Use new interface to iv
16591 * loop-unswitch.c (may_unswitch_on): Ditto.
16592 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16594 (df_bb_modify): Realloc tables to the new index.
16595 (df_find_use): New function.
16596 * df.h (df_find_use): Declare.
16597 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16599 * cfgloop.h (struct rtx_iv): Remove analysed field.
16600 (iv_get_reaching_def): Removed.
16601 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16602 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16603 (loop-iv.o): Add df.h and hashtab.h dependency.
16604 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16606 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16609 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16611 (__floatundisf, __floatundidf): Likewise.
16612 * libgcc2.h (IS_IBM_EXTENDED): Define.
16614 2006-01-19 DJ Delorie <dj@redhat.com>
16616 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16618 2006-01-19 Paul Brook <paul@codesourcery.com>
16620 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16621 as nothrow when unwinding tables are disabled.
16623 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16626 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16627 of bit-field" when in system header.
16629 2006-01-19 DJ Delorie <dj@redhat.com>
16631 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16632 the 16 bit shift limit of the m16c.
16634 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16637 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16638 * config/i386/i386.c (output_set_got): Output the label if we have one
16639 for the TARGET_DEEP_BRANCH_PREDICTION case.
16641 2006-01-19 Jan Hubicka <jh@suse.cz>
16642 H.J. Lu <hongjiu.lu@intel.com>
16643 Evandro Menezes <evandro.menezes@amd.com>
16645 * invoke.texi (generic): Document
16647 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16648 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16649 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16650 (x86_use_incdec, x86_pad_returns): New variables
16651 (TARGET_CPU_DEFAULT_generic): New constant
16652 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16653 (enum processor_type): Add generic32 and generic64.
16654 * i386.md (cpu attribute): Add generic32/generic64
16655 (movhi splitter): Behave sanely when both partial_reg_dependency and
16656 partial_reg_stall are set.
16657 (K8 splitters): Enable for generic as well.
16658 * predicates.md (incdec_operand): Use TARGET_INCDEC
16659 (aligned_operand): Avoid memory mismatch stalls.
16660 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16661 * ppro.md: Enable for generic32
16662 * i386.c (generic64_cost, generic32_cost): New.
16663 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16664 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16665 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16666 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16667 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16668 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16669 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16670 x86_accumulate_outgoing_args, x86_prologue_using_move,
16671 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16672 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16673 Enable for generic.
16674 (x86_use_incdec, x86_pad_returns): New.
16675 (override_options): Add generic32 and generic64, translate "generic"
16676 to generic32/generic64 and "i686" to "generic32", refuse
16677 "generic32"/"generic64" as arch target.
16678 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16679 (ix86_reorg): Honor PAD_RETURNS.
16681 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16683 * tree-pretty-print.c (dump_generic_node): Handle
16684 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16685 * cgraph.c (cgraph_expand_queue): Rename from
16686 cgraph_analyze_queue. Update all users.
16687 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16688 cgraph_expand_queue.
16689 (cgraph_expand_all_functions): Likewise.
16690 (cgraph_finalize_pending_functions): Remove. Update callers.
16692 * tree.h (OMP_DIRECTIVE_P): Define.
16693 (OMP_PARALLEL_FN): Define.
16694 (OMP_PARALLEL_DATA_ARG): Define.
16695 (OMP_SECTIONS_SECTIONS): Define.
16696 * tree-pass.h (pass_expand_omp): Declare.
16697 * omp-low.c (struct omp_region): Declare.
16698 (struct omp_context): Remove fields 'parallel_type',
16699 'parallel_start_ix' and 'parallel_start_additional_args'.
16701 (struct omp_for_data): Rename from struct expand_omp_for_data.
16702 (omp_regions): New static variable.
16703 (root_omp_region): New static variable.
16704 (find_omp_clause): Make static.
16705 (is_in_combined_parallel_ctx): Remove.
16706 (is_combined_parallel): New.
16707 (extract_omp_for_data): Move earlier in the file.
16708 (workshare_safe_to_combine_p): New.
16709 (get_ws_args_for): New.
16710 (determine_parallel_type): Move earlier in the file.
16711 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16713 (omp_copy_decl): Likewise.
16714 (create_omp_child_function): Likewise.
16715 (lookup_omp_region): New.
16716 (dump_omp_region): New.
16717 (debug_omp_region): New.
16718 (debug_all_omp_regions): New.
16719 (new_omp_region): New.
16720 (scan_omp_parallel): If parallel_nesting_level > 1, the
16721 directive is nested within another parallel directive.
16722 Set OMP_PARALLEL_FN.
16723 (scan_omp_for): Do not try to handle combined parallel+for
16725 Remove FIXME comment.
16726 (scan_omp_nested): Remove.
16727 (scan_omp_1): Do not call scan_omp_nested when
16728 parallel_nesting_level is > 1.
16729 Do not change the DECL_CONTEXT of local variables found.
16730 (lookup_decl_in_outer_ctx): New.
16731 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16732 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16733 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16734 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16735 If CTX is nested, lookup VAR in the outer context when
16736 building copy assignment.
16737 (lower_send_clauses): Rename from expand_send_clauses.
16738 If CTX is nested, lookup VAR in the outer context when
16739 building copy assignments.
16740 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16741 If CTX is nested, lookup VAR in the outer context when
16742 building copy assignments.
16743 (expand_parallel_call): Rename from build_parallel_call.
16744 Handle combined parallel+workshare cases.
16745 Re-implement to emit code into the CFG.
16747 (expand_omp_parallel): Re-implement to emit code into the CFG.
16748 Call move_sese_region_to_fn to outline the sub-graph
16749 containing the parallel region.
16750 (expand_omp_for_1): Remove.
16751 (expand_omp_for_generic): Re-implement to emit code into the
16753 (expand_omp_for_static_nochunk): Likewise.
16754 (expand_omp_for_static_chunk): Likewise.
16755 (expand_omp_for): Likewise.
16756 (expand_omp_sections): Likewise.
16757 (remove_exit_barriers): New.
16758 (expand_omp_synch): New.
16760 (build_omp_regions_1): New.
16761 (build_omp_regions): New.
16762 (execute_expand_omp): New.
16763 (gate_expand_omp): New.
16764 (pass_expand_omp): Define.
16765 (lower_omp_sections): Rename from expand_omp_sections.
16766 Set OMP_SECTIONS_SECTIONS.
16767 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16768 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16769 (lower_omp_single): Rename from expand_omp_simple.
16770 (lower_omp_master): Rename from expand_omp_master.
16771 (lower_omp_ordered): Rename from expand_omp_ordered.
16772 (lower_omp_critical): Rename from expand_omp_critical.
16773 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16774 (lower_omp_for): Re-implement.
16775 (lower_omp_parallel): Re-implement.
16776 (lower_regimplify): Rename from expand_regimplify.
16777 (lower_omp_1): Rename from expand_omp_1.
16778 If there are syntax errors in the program, replace every
16779 OpenMP directive with NOP.
16780 Call lower_omp_* instead of expand_omp_*.
16781 (lower_omp): Rename from expand_omp.
16783 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16784 * tree-gimple.h (enum omp_parallel_type): Remove.
16785 (gimple_boolify): Declare extern.
16786 (find_omp_clause, determine_parallel_type): Remove.
16788 * gimple-low.c (lower_omp_directive): New.
16789 (lower_stmt): Call it.
16790 (record_vars_into): Move from ...
16791 (record_vars): ... here.
16792 Call record_vars_into with current_function_decl.
16794 * gimplify.c (struct gimplify_ctx): Remove fields
16795 combined_pre_p and combined_ctxp. Update users.
16796 (get_formal_tmp_var): Add documentation.
16797 (gimple_boolify): Make extern.
16798 (gimplify_expr_in_ctx): Remove. Update callers.
16799 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16800 will always be a BIND_EXPR.
16801 (gimplify_expr): Handle OMP_RETURN_EXPR.
16802 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16803 (OMP_PARALLEL): Add 3 operands.
16804 (OMP_SECTIONS): Add 1 operand.
16805 (OMP_RETURN_EXPR): Define.
16807 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16808 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16809 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16810 creating a circular free list.
16811 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16813 * tree-flow.h (move_sese_region_to_fn): Declare.
16814 (record_vars_into): Declare.
16815 * tree-cfg.c (make_omp_sections_edges): New.
16816 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16817 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16818 OMP_SECTIONS and OMP_SECTION.
16819 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16820 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16821 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16822 (gather_blocks_in_sese_region): New.
16823 (struct move_stmt_d): Declare.
16824 (move_stmt_r): New.
16825 (move_block_to_fn): New.
16826 (move_sese_region_to_fn): New.
16828 * passes.c (init_optimization_passes): Schedule
16829 pass_expand_omp after pass_init_datastructures.
16831 * tree-ssa-operands.c (get_expr_operands): Handle
16832 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16833 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16835 2006-01-19 Jeff Law <law@redhat.com>
16837 * tree-vrp.c (extract_range_from_assert): Refine the result range
16838 if the variable referenced by the ASSERT_EXPR has a range and
16839 either the tentative result range or the previous range is a
16842 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16844 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16846 2006-01-19 Jan Hubicka <jh@suse.cz>
16848 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16850 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16852 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16853 (expand_compound_operation, expand_field_assignment): Fail if the
16854 bit lengths of an extract operation are out of range.
16855 (make_extraction): Compute wanted_inner_mode based on the position
16856 and length of the extraction. Make it extraction_mode for non-constant
16857 positions, and do not modify offset in that case. When generating a
16858 new MEM, use a mode that can hold the extraction while keeping correct
16859 alignment. Remove code that supported MEMs wrapped by USEs.
16860 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16862 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16864 * config/s390/s390.md ("Y", "y"): New mode attribute.
16865 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16866 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16867 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16868 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16869 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16870 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16871 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16872 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16873 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16874 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16875 "addsi3", "subsi3"): Insn patterns removed.
16876 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16877 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16878 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16879 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16880 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16881 "*sub<mode>3_cconly2"): New insn patterns.
16882 ("addsi3", "subsi3"): New expanders.
16884 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16886 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16887 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16888 existing STMT_VINFO_VECTYPE if available.
16889 (vect_mark_relevant): Add special handling for stmts that are
16890 marked as STMT_VINFO_IN_PATTERN_P.
16891 (vect_analyze_loop): Call vect_pattern_recog.
16892 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16893 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16895 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16896 (vect_recog_func_ptr): New function-pointer type.
16897 * tree-vect-patterns.c: New file.
16898 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16899 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16900 (vect_pattern_recog_1): New functions.
16901 (vect_pattern_recog_funcs): New array of function pointers.
16903 * tree-vectorizer.h (ternary_op): New enum value.
16904 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16905 declaration. Revised documentation. Removed redundant dump prints.
16906 Removed redundant argument. Added support for reduction patterns.
16907 (vectorizable_reduction): Added support for reduction patterns.
16908 (vect_transform_stmt): Added support for patterns.
16910 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16911 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16912 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16913 (expand_widen_pattern_expr): New function.
16914 (init_optabs): Initialize new optabs udot_prod_optab,
16916 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16917 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16918 (expand_widen_pattern_expr): New function declaration.
16919 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16921 * tree-inline.c (estimate_num_insns_1): Added cases for new
16922 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16923 * tree-pretty-print.c (dump_generic_node): Likewise.
16924 (op_prio): Likewise.
16925 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16926 * tree-ssa-operands.c (get_expr_operands): Added case for
16928 * tree-vect-patterns.c (widened_name_p): New function.
16929 (vect_recog_dot_prod_pattern): Added function implementation.
16930 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16931 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16932 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16933 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16935 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16936 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16937 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16938 (init_optabs): Initialize new optabs widen_ssum_optab,
16940 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16941 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16942 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16943 use instead of type of def.
16944 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16945 function implementation.
16946 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16947 widen_ssumv8hi): New.
16949 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16952 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16955 * c-decl.c (add_flexible_array_elts_to_size): New function.
16956 (finish_decl): Use it.
16958 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16960 * diagnostic.h: Include options.h.
16961 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16962 dependancies for diagnostic.h.
16963 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16965 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16967 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16968 (ssa_ro_call_cache_valid): Ditto.
16969 * tree-ssa-alias.c (sort_tags_by_id): New function.
16970 (init_transitive_clobber_worklist): Ditto.
16971 (add_to_worklist): Ditto.
16972 (mark_aliases_call_clobbered): Ditto.
16973 (compute_tag_properties): Ditto.
16974 (set_initial_properties): Ditto.
16975 (compute_call_clobbered): Ditto.
16976 (compute_may_aliases): Call compute_call_clobbered and grouping.
16977 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16978 (compute_flow_insensitive_aliasing): Grouping now happens in our
16980 (setup_pointers_and_addressables): Remove clobbering related code.
16981 (add_may_alias): Ditto.
16982 (replace_may_alias): Ditto.
16983 (get_nmt_for): Ditto.
16984 (create_global_var):
16985 (is_escape_site): Return an escape_type enumeration.
16986 * tree-flow-inline.h (is_call_clobbered): Global var does not
16987 imply call clobbered.
16988 (mark_call_clobbered): Take a reason for marking this. Remove
16989 marking of globalness, and cache invalidation.
16990 (clear_call_clobbered): Remove cache invalidation code.
16991 * tree-dfa.c (dump_variable): If details is on, dump the reason
16993 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16995 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16996 (struct var_ann_d): Ditto.
16997 (enum escape_type): New.
16998 (mark_call_clobbered): Adjust prototype.
16999 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17000 are never call clobbered.
17001 Record reasons for escaping.
17002 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17003 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17004 (ssa_ro_call_cache_valid): Ditto.
17005 (clobbered_v_may_defs): Ditto.
17006 (clobbered_vuses): Ditto.
17007 (ro_call_vuses): Ditto.
17008 (clobber_stats): New.
17009 (init_ssa_operands): Zero out clobber stats.
17010 (fini_ssa_operands): Print out clobber stats.
17011 (get_call_expr_operands): Pass callee fndecl to
17012 add_call_read_ops).
17013 (add_call_clobber_ops): Remove use of cache.
17014 Add use of PURE_CONST information.
17015 (add_call_read_ops): Remove use of cache.
17016 Add use of static not_read information.
17018 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17020 Introduce TLS descriptors for i386 and x86_64.
17021 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17022 (TARGET_ANY_GNU_TLS): New macro.
17023 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17024 (struct machine_function): Add tls_descriptor_call_expanded_p.
17025 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17026 (ix86_current_function_calls_tls_descriptor): Likewise.
17027 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17028 (override_options): Introduce gnu2 tls dialect.
17029 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17031 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17033 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17034 (ix86_init_machine_status): Initialize new field.
17035 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17036 (ix86_tls_module_base): New.
17037 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17038 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17039 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17040 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17041 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17042 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17043 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17044 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17045 * config/i386/predicates.md (tls_modbase_operand): New.
17046 (tp_or_register_operand): New.
17048 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17050 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17051 (look_for_address_of): Ditto.
17052 (ipa_init): Walk the function decls.
17053 (static_execute): Don't set readonly on FUNCTION_DECL's.
17055 2006-01-18 Roger Sayle <roger@eyesopen.com>
17057 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17058 for shifts where the source and destination registers are different.
17060 2006-01-18 Paul Brook <paul@codesourcery.com>
17062 Merge from csl-arm-branch.
17063 2005-03-14 Julian Brown <julian@codesourcery.com>
17064 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17065 (aeabi_llsl): Likewise.
17066 (ashrdi3): Likewise.
17067 (aeabi_lasr): Likewise.
17068 (lshrdi3): Likewise.
17069 (aeabi_llsr): Likewise.
17070 2005-03-10 Julian Brown <julian@codesourcery.com>
17071 * config.gcc: Disable shared libgcc for SymbianOS.
17072 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17074 2006-01-18 DJ Delorie <dj@redhat.com>
17076 * c-pragma.c (handle_pragma_diagnostic): New.
17077 (init_pragma): Register it.
17078 * doc/extend.texi: Document it.
17080 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17081 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17082 (diagnostic_context): Add classify_diagnostic[].
17083 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17084 as errors if they're overridden to DK_WARNING.
17085 (diagnostic_initialize): Initialize classify_diagnostic[].
17086 (diagnostic_set_kind_override): New.
17087 (diagnostic_report_diagnostic): Check for kind changes.
17088 * opts.c (common_handle_option): Take lang_mask. Update callers.
17089 Handle OPT_Werror_.
17090 * common.opt (Werror=): New.
17091 * doc/invoke.texi: Document -Werror=*
17093 2006-01-18 Jeff Law <law@redhat.com>
17095 * tree-vrp.c (test_for_singularity): Correct test for new
17096 min limit. Use operand_equal_p rather than pointer equality
17097 for testing if new min/max values are equal.
17099 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17100 using range information until after propagation and folding.
17102 2006-01-18 Richard Henderson <rth@redhat.com>
17103 Aldy Hernandez <aldyh@redhat.com>
17104 Jakub Jelinek <jakub@redhat.com>
17105 Diego Novillo <dnovillo@redhat.com>
17107 * omp-low.c: New file.
17108 * c-omp.c: New file.
17110 2006-01-18 Richard Henderson <rth@redhat.com>
17111 Jakub Jelinek <jakub@redhat.com>
17112 Diego Novillo <dnovillo@redhat.com>
17114 * doc/invoke.texi: Document -fopenmp.
17115 * tree-dump.h (debug_function): Declare.
17116 * hooks.c (hook_bool_tree_bool_false): New function.
17117 (hook_tree_tree_null): Remove.
17118 (hook_tree_tree_tree_null): New.
17119 * hooks.h: Update to match.
17120 * tree-pretty-print.c (debug_tree_chain): New.
17121 (print_generic_expr): Handle TDF_CHAIN.
17122 (dump_generic_node): Handle BLOCK.
17123 Do not abort with incomplete SWITCH_EXPRs.
17124 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17125 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17126 print space after directive name.
17127 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17128 Handle OMP_MASTER and OMP_ORDERED.
17129 Handle printing of OMP_BODY just in one place, goto
17130 dump_omp_body in the rest of OMP_* nodes that have
17132 Don't handle clause nodes here. Update omp statements to
17133 use dump_omp_clauses.
17134 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17135 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17136 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17137 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17138 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17139 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17140 Adjust output for GOMP_PARALLEL.
17141 (dump_omp_clauses): New.
17142 (print_declaration): Dump DECL_VALUE_EXPR.
17143 (op_symbol_1): Split out of op_symbol.
17144 (dumping_stmts): Remove. Update all users.
17145 * cgraph.c (cgraph_analyze_queue): New.
17146 (cgraph_add_new_function): New.
17147 * cgraph.h (cgraph_analyze_queue): Declare.
17148 (cgraph_add_new_function): Declare.
17149 (cgraph_lower_function): Remove.
17150 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17151 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17152 and TYPE_P nodes in its default clause.
17153 (empty_body_p): New.
17154 (tree_range_check_failed): New.
17155 (build5_stat): New.
17156 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17157 OMP_CLAUSE_REDUCTION_MERGE,
17158 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17159 OMP_CLAUSE_PRIVATE_DEBUG,
17160 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17161 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17162 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17163 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17164 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17165 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17166 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17167 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17168 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17169 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17170 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17171 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17172 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17173 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17174 (TREE_RANGE_CHECK): New.
17175 (empty_body_p): Declare.
17176 (enum omp_clause_default_kind): New.
17177 (build_string_literal): Declare.
17178 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17179 (build5_stat, build5): Declare.
17180 * tree-pass.h (TDF_CHAIN): Define.
17181 * tree-pass.h (PROP_gimple_lomp): Define.
17182 (pass_lower_omp): Declare.
17183 * diagnostic.h (debug_tree_chain): Declare.
17184 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17186 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17187 * builtins.c (build_string_literal): Make extern.
17188 * gcc.c (include_spec_function): New.
17189 (static_spec_functions): Add it.
17190 (main): Move load of libgomp.spec ...
17191 (LINK_COMMAND_SPEC): ... here.
17192 (link_gomp_spec): New.
17193 (static_specs): Include it.
17194 (LINK_COMMAND_SPEC): Add link_gomp.
17195 (GOMP_SELF_SPECS): New.
17196 (driver_self_specs): Include it.
17197 (switch_matches): Don't mark inline.
17198 (main): Load libgomp.spec.
17199 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17200 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17201 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17202 * tree-gimple.h (enum omp_parallel): Declare.
17203 (determine_parallel_type): Declare.
17204 (omp_firstprivatize_variable): Declare.
17205 (omp_reduction_init): Declare.
17206 (diagnose_omp_structured_block_errors): Declare.
17207 (struct walk_stmt_info): Add want_return_expr.
17208 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17209 (find_omp_clause): Declare.
17210 (insert_field_into_struct): Declare.
17211 (struct walk_stmt_info): Move from tree-nested.c
17212 (walk_stmts): Declare.
17213 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17215 * cgraphunit.c (cgraph_lower_function): Make static.
17216 (cgraph_finalize_pending_functions): New.
17217 (cgraph_finalize_function): Call it.
17218 (cgraph_finalize_compilation_unit): Likewise.
17219 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17220 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17221 (BT_FN_UINT_UINT): New.
17222 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17223 DEF_FUNCTION_TYPE_VAR_4): Document.
17224 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17225 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17226 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17227 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17228 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17229 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17230 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17231 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17232 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17233 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17234 into separate files.
17235 (DEF_GOMP_BUILTIN): New.
17236 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17237 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17238 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17239 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17240 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17241 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17242 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17243 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17244 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17245 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17246 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17247 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17248 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17249 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17250 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17251 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17252 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17253 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17254 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17255 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17256 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17257 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17258 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17259 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17260 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17261 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17262 * sync-builtins.def: New file, moved from builtins.def.
17263 * omp-builtins.def: New file, moved from builtins.def.
17264 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17265 * gimple-low.c (lower_function_body): Clear data.
17266 (lower_stmt): Do not handle COMPOUND_EXPR.
17267 Remove call to print_node_brief.
17268 * c-tree.h (c_finish_omp_clauses): New prototype.
17269 (C_DECL_THREADPRIVATE_P): Define.
17270 (lookup_name_no_remap, c_omp_remap_private): Remove
17271 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17272 (check_for_loop_decls): Update decl.
17273 (lookup_name_no_remap, c_omp_remap_private): Declare.
17274 (build_indirect_ref, build_modify_expr, pushdecl,
17275 pushdecl_top_level): Move to c-common.h.
17276 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17277 before the switch, but just in the 2 places that need it.
17278 * c-decl.c (diagnose_mismatched_decls): Do not check for
17279 mismatched thread-local attributes when OLDDECL is marked
17280 threadprivate and NEWDECL has no thread-local attributes.
17281 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17282 (c_gimple_diagnostics_recursively): Rename from
17283 c_warn_unused_result_recursively. Invoke
17284 diagnose_omp_structured_block_errors.
17285 (check_for_loop_decls): Return a singular decl found.
17286 * langhooks.c (lhd_omp_predetermined_sharing): Return
17287 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17288 (lhd_omp_firstprivatize_type_sizes): New.
17289 (lhd_omp_assignment): New.
17290 (lhd_omp_predetermined_sharing): New.
17291 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17292 (struct lang_hooks_for_types): Add
17293 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17294 omp_predetermined_sharing, omp_disregard_value_expr,
17295 omp_private_debug_clause, omp_clause_default_ctor,
17296 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17297 (c_finish_omp_clauses): New.
17298 (c_finish_bc_stmt): Diagnose break within omp for.
17299 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17300 (build_unary_op): Return error_mark after reporting
17302 (build_modify_expr): Likewise.
17303 * gimplify.c: Include optabs.h and pointer-set.h.
17304 (enum gimplify_omp_var_data): Declare.
17305 (struct gimplify_omp_ctx): Declare.
17306 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17308 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17309 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17310 (splay_tree_compare_decl_uid): New.
17311 (new_omp_context): New.
17312 (delete_omp_context): New.
17313 (gimple_add_tmp_var): Call omp_add_variable.
17314 (gimplify_bind_expr): Likewise.
17315 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17316 true, disregard DECL_VALUE_EXPR on the decl if any.
17317 (gimplify_expr_in_ctx): New.
17318 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17319 omp_add_variable, omp_notice_variable, omp_is_private
17320 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17321 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17322 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17323 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17324 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17325 gimplify_omp_atomic): New.
17326 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17327 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17328 OMP_CRITICAL and OMP_ATOMIC.
17329 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17330 * c-pragma.h (enum pragma_kind): Add
17331 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17332 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17333 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17334 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17335 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17336 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17337 PRAGMA_OMP_THREADPRIVATE.
17338 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17339 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17340 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17341 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17342 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17343 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17344 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17345 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17346 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17347 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17348 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17349 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17350 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17352 (struct nesting_info): Add field_map,
17353 suppress_expansion, debug_var_chain.
17354 (create_nesting_tree): Initialize them.
17355 (lookup_field_for_decl): Use field_map.
17356 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17357 (convert_local_omp_clauses): New.
17358 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17359 (walk_body): Split out of walk_function.
17360 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17361 (convert_nonlocal_reference): Handle omp statements.
17362 (convert_local_reference): Likewise.
17363 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17364 (unnest_nesting_tree): New.
17365 (lower_nested_functions): Call it.
17366 (insert_field_into_struct): Make extern.
17367 (struct walk_stmt_info): Move to tree-gimple.h.
17368 (walk_stmts): Make extern.
17369 * omp-builtins.def: New file.
17370 * tree-iterator.c (expr_only): Clarify comment.
17371 * c-common.h (pushdecl_top_level, pushdecl,
17372 build_modify_expr, build_indirect_ref,
17373 c_finish_omp_master, c_finish_omp_critical,
17374 c_finish_omp_ordered, c_finish_omp_barrier,
17375 c_finish_omp_atomic, c_finish_omp_flush,
17376 c_finish_omp_for, c_split_parallel_clauses,
17377 omp_clause_default_kind, c_omp_sharing_predetermined,
17378 c_omp_remap_decl): Declare.
17379 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17380 (OBJS-common): Add omp-low.o.
17381 (c-omp.o, omp-low.o): Add.
17382 (gimplify.o): Add dependency on $(OPTABS_H).
17383 (GTFILES): Add omp-low.c.
17384 (gt-stringpool.h): Add.
17385 * tree-cfg.c (set_bb_for_stmt): Do not update the
17386 block-to-labels map if we are currently expanding to RTL.
17387 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17389 Handle IDENTIFIER_NODE.
17390 (tree_verify_flow_info): Do not ICE when emitting error
17391 messages about invalid labels.
17392 (dump_function_to_file): Reset CFUN before emitting the body
17394 (debug_function): New.
17395 * passes.c (init_optimization_passes): Schedule
17397 * langhooks-def.h (lhd_omp_predetermined_sharing,
17398 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17400 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17401 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17402 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17403 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17404 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17405 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17406 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17407 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17408 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17409 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17410 (LANG_HOOK_DECLS): Use them.
17412 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17413 Richard Henderson <rth@redhat.com>
17414 Jakub Jelinek <jakub@redhat.com>
17415 Diego Novillo <dnovillo@redhat.com>
17417 * c-parser.c (pragma_omp_clause): Define.
17418 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17419 (c_parser_compound_statement): Likewise.
17420 (c_parser_statement): Likewise.
17421 (c_parser_pragma): Handle omp pragmas.
17422 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17423 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17424 (c_parser_omp_clause_name, check_no_duplicate_clause,
17425 c_parser_omp_variable_list,
17426 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17427 c_parser_omp_clause_copyprivate,
17428 c_parser_omp_clause_default,
17429 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17430 c_parser_omp_clause_lastprivate,
17431 c_parser_omp_clause_nowait,
17432 c_parser_omp_clause_num_threads,
17433 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17434 c_parser_omp_clause_reduction,
17435 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17436 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17437 c_parser_omp_atomic, c_parser_omp_barrier,
17438 c_parser_omp_critical, c_parser_omp_flush,
17439 c_parser_omp_for_loop, c_parser_omp_for,
17440 c_parser_omp_master, c_parser_omp_ordered,
17441 c_parser_omp_sections_scope, c_parser_omp_sections,
17442 c_parser_omp_parallel, c_parser_omp_single,
17443 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17444 * c-pragma.c (init_pragma): Do omp pragma registration here.
17445 * c.opt (fopenmp): New flag.
17447 2006-01-18 Eric Christopher <echristo@apple.com>
17449 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17450 * config/darwin.h (GOMP_SELF_SPECS): Define.
17452 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17454 * rtl.h: Remove the prototype for reg_alloc.
17456 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17459 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17460 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17461 sjlj and dwarf2 exception handling.
17462 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17463 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17464 * pa/pa.c (function_value): Treat complex and vector types as
17466 (function_arg): Likewise. Only pass scalar floats in the floating
17467 point argument registers.
17468 * pa/t-slibgcc-dwarf-ver: New file.
17469 * pa/t-slibgcc-sjlj-ver: New file.
17470 * pa/t-slibgcc-elf-ver: Delete file.
17472 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17474 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17475 unlikely_test_section_p test.
17477 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17479 * mode-switching.c (optimize_mode_switching): Make it static.
17480 * basic-block.h: Remove the prototype for
17481 optimize_mode_switching.
17483 * modulo-sched.c (sms_schedule): Make it static.
17484 * rtl.h: Remove the prototype for sms_schedule.
17486 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17487 * rtl.h: Remove the prototype for gcse_after_reload_main.
17489 * reg-stack.c (reg_to_stack): Make it static.
17490 * rtl.h: Remove the prototype for reg_to_stack.
17492 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17494 * rtl.h: Remove the prototypes for regrename_optimize and
17495 copyprop_hardreg_forward.
17497 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17499 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17500 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17501 Test against the appropriate null constant for the mode.
17502 If 'fixup_overlap' is true, swap the operands if they overlap.
17503 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17504 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17505 alpha_split_tmode_pair and adjust for above change.
17506 * config/alpha/alpha.md (movtf_internal): Adjust call to
17507 alpha_split_tfmode_pair and rely on it to swap the operands.
17508 (movti_internal): New insn and post-reload splitter.
17509 (movti): New expander.
17511 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17513 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17516 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17518 * rtlanal.c (global_reg_mentioned_p_1,
17519 global_reg_mentioned_p): Remove.
17520 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17522 * flow.c (initialize_uninitialized_subregs): Make it static.
17523 * rtl.h: Remove the prototype for
17524 initialize_uninitialized_subregs.
17526 * function.c (instantiate_virtual_regs): Make it static.
17527 * function.h: Remove the prototype for
17528 instantiate_virtual_regs.
17530 * regmove.c (regmove_optimize, combine_stack_adjustments):
17532 * rtl.h: Remove the prototypes for regmove_optimize and
17533 combine_stack_adjustments.
17535 2006-01-17 Roger Sayle <roger@eyesopen.com>
17537 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17538 (size_cost): Encode costs in bytes so that a reg-reg addition is
17539 equivalent to COSTS_N_INSNS(1).
17540 (override_options): Use the size_cost.branch_cost as the default
17541 ix86_branch_cost when optimizing for size.
17543 2006-01-18 Ben Elliston <bje@au.ibm.com>
17545 * Makefile.in (D32PBIT_FUNCS): New.
17546 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17547 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17548 D64PBIT_FUNCS and D128PBIT_FUNCS.
17549 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17550 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17552 (decnumber_dep): Define.
17553 * doc/libgcc.texi (Decimal float library routines): New node.
17554 * config/dfp-bit.h, config/dfp-bit.c: New files.
17556 2006-01-18 Ben Elliston <bje@au.ibm.com>
17558 * expr.c (emit_move_change_mode): Always adjust addresses, not
17559 just during reload. Copy replacements only during reload.
17560 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17561 emit_move_via_integer.
17563 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17565 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17566 instead of $(srcdir) and ${srcdir}.
17568 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17571 PR middle-end/11135
17572 * arm.h (struct machine_function): Add pic_reg.
17573 * arm.c (arm_pic_register): Make unsigned.
17574 (arm_override_options): Only set arm_pic_register if
17575 TARGET_SINGLE_PIC_BASE.
17576 (use_return_insn): Only test for a pic register if it is fixed.
17577 (arm_compute_save_reg0_reg12_mask): Likewise.
17578 (thumb_compute_save_reg_mask): Likewise.
17579 (legitimate_pic_operand): Factor out some known invariants.
17580 (legitimize_pic_address): If we don't have a fixed pic register,
17581 then set up a pseudo in the function entry sequence. Handle the
17582 pic base being in a pseudo.
17583 (arm_load_pic_register): Handle the pic register being in a pseudo.
17584 (arm_expand_prologue): Only set up the pic register if it is fixed.
17585 (thumb_expand_prologue): Likewise.
17586 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17587 (pic_load_addr_based_insn): Likewise.
17588 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17591 2006-01-18 Ben Elliston <bje@au.ibm.com>
17593 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17594 decimal float modes for all floating point registers.
17596 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17597 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17599 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17602 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17603 even when the pointer is not NULL.
17605 2006-01-16 Ian Lance Taylor <ian@airs.com>
17607 * common.opt (ftoplevel-reorder): New option.
17608 * cgraph.c (cgraph_asm_nodes): New global variable.
17609 (cgraph_asm_last_node): New static variable.
17610 (cgraph_order): New global variable.
17611 (cgraph_create_node): Set new order field.
17612 (cgraph_varpool_node): Likewise.
17613 (decide_is_variable_needed): Return true if not
17614 flag_toplevel_reorder.
17615 (cgraph_add_asm_node): New function.
17616 * cgraph.h (struct cgraph_node): Add order field.
17617 (struct cgraph_varpool_node): Add order field.
17618 (struct cgraph_asm_node): Define.
17619 (cgraph_asm_nodes, cgraph_order): Declare.
17620 (cgraph_add_asm_node): Declare.
17621 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17623 (cgraph_varpool_assemble_pending_decls): Call it.
17624 (cgraph_output_pending_asms): New static function.
17625 (cgraph_finalize_compilation_unit): Call it.
17626 (struct cgraph_order_sort): Define.
17627 (cgraph_output_in_order): New static function.
17628 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17629 !flag_toplevel_reorder case.
17630 * c-parser.c: Include "cgraph.h".
17631 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17633 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17634 than -fno-unit-at-a-time.
17635 * doc/invoke.texi (Option Summary): Mention
17636 -fno-toplevel-reorder.
17637 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17638 -funit-at-a-time documentation.
17640 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17641 Kazu Hirata <kazu@codesourcery.com>
17643 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17645 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17647 * Makefile.in (FUNCTION_H): New. Use it instead of
17648 function.h throughout the file.
17649 * function.h: Include tree.h.
17651 2006-01-17 Ben Elliston <bje@au.ibm.com>
17653 * recog.c: Separate some functions with whitespace.
17655 2006-01-16 Richard Henderson <rth@redhat.com>
17657 Merge from gomp branch:
17658 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17659 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17660 and rename from struct inline_data. Rename callee* to dst*;
17661 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17662 transform_new_cfg, transform_return_to_modify, and
17663 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17665 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17666 (copy_decl_for_dup): Remove.
17667 * tree-inline.c (struct inline_data): Move to header.
17668 (insert_decl_map): Export.
17669 (remap_decl): Update for member name changes. Use copy_decl hook.
17670 Allow for replacement to be a non-decl. Remove dead code.
17671 (remap_type_1): Check for existing mapping.
17672 (remap_type): Export.
17673 (remap_decls): Update for member name changes.
17674 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17675 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17676 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17677 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17678 (tree_function_versioning, build_duplicate_type): Likewise.
17679 (copy_body_r): Likewise. Export.
17680 (copy_decl_for_dup): Split into ...
17681 (copy_decl_for_dup_finish, copy_decl_to_var,
17682 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17683 (replace_ref_tree, inlining_p): Remove.
17685 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17687 * ifcvt.c (if_convert): Make it static.
17688 * rtl.h: Remove the prototype for if_convert.
17690 * local-alloc.c (local_alloc): Make it static.
17691 * rtl.h: Remove the prototype for local_alloc.
17693 * loop.c (loop_optimize): Make it static.
17694 * cfgloop.h: Remove the prototype for loop_optimize.
17697 2006-01-16 DJ Delorie <dj@redhat.com>
17699 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17702 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17704 * pa.md: Disparage copies between general and floating-point registers
17705 in 32-bit move patterns.
17707 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17710 * Makefile.in (check-%): Depend on site.exp instead of
17711 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17714 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17716 * global.c (global_alloc): Make it static.
17717 * rtl.h: Remove the prototype for global_alloc.
17719 2006-01-16 Richard Guenther <rguenther@suse.de>
17721 * tree-ssa-alias.c (struct used_part): Add write_only field.
17722 (get_or_create_used_part_for): Initialize it to true.
17723 (create_overlap_variables_for): Don't create structure variables
17724 for structures that only are written to.
17725 (find_used_portions): Handle MODIFY_EXPR to track whether a
17726 structure is only written to.
17728 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17730 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17732 * basic-block.h: Remove the prototype for
17733 partition_hot_cold_basic_blocks.
17735 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17737 * cppspec.c (lang_specific_spec_functions): Remove.
17738 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17739 * gcc.h (lang_specific_spec_functions): Remove.
17740 * gccspec.c (lang_specific_spec_functions): Remove.
17742 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17744 * combine.c (record_value_for_reg): Invalidate registers
17746 (record_dead_and_set_regs_1): Likewise, by passing them to
17747 record_value_for_reg.
17748 (record_dead_and_set_regs): Invalidate stores made by a
17749 call. We do not combine across a call, but we still
17750 relied on equivalences.
17752 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17754 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17755 vrp_int_const_binop returning non-constant nodes.
17757 2006-01-16 Paul Brook <paul@codesourcery.com>
17759 * config/m68k/m68k.c (output_move_const_into_data_reg):
17760 Output correct mnemonic for mvz and mvs.
17762 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17764 * rtl-factoring.c: Add sequence abstraction algorithm.
17765 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17766 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17768 (block_has_preserve_label): New function.
17769 * common.opt: Register new pass.
17770 * Makefile.in: Ditto.
17772 * timevar.def: Ditto.
17773 * tree-pass.h: Ditto.
17774 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17775 * rtl.h (make_jump_insn_raw): Add forward decl.
17776 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17778 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17779 Roger Sayle <roger@eyesopen.com>
17781 * fold-const.c (fold_minmax): New static function.
17782 (fold_binary) <MIN_EXPR>: Call it.
17783 <MAX_EXPR>: Likewise.
17784 * stor-layout.c (place_field): Use DECL_SIZE consistently
17785 in the computation of the new record size.
17787 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17789 * cse.c (cse_condition_code_reg): Make it static.
17790 * rtl.h: Remove the prototype for cse_condition_code_reg.
17792 * combine.c (combine_instructions): Make it static.
17793 * rtl.h: Remove the prototype for combine_instructions.
17795 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17798 * tree.c (get_file_function_name_long): Concatenate the first global
17799 object name with a string derived from the input filename of the object
17802 2006-01-16 Ben Elliston <bje@au.ibm.com>
17804 * config/i386/winnt-stubs.c: Update FSF address.
17805 * config/xtensa/ieee754-df.S: Ditto.
17806 * config/xtensa/ieee754-sf.S: Ditto.
17808 2006-01-14 Ian Lance Taylor <ian@airs.com>
17810 * ifcvt.c (noce_init_if_info): New static function, broken out of
17811 noce_process_if_block.
17812 (noce_process_if_block): Call noce_init_if_info.
17813 (check_cond_move_block): New static function.
17814 (cond_move_process_if_block): New static function.
17815 (process_if_block): Call cond_move_process_if_block.
17817 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17819 * cselib.c (hash_table): Rename to cselib_hash_table.
17820 (cselib_clear_table, discard_useless_values,
17821 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17822 cselib_init, cselib_finish): Adjust uses of hash_table.
17824 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17826 PR tree-optimization/25485
17827 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17828 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17829 is known to be false and true, respectively.
17831 2006-01-14 Richard Guenther <rguenther@suse.de>
17833 PR tree-optimization/22548
17834 PR tree-optimization/22555
17835 PR tree-optimization/22501
17836 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17837 * params.def (salias-max-array-elements): New parameter.
17838 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17839 * doc/invoke.texi (salias-max-array-elements): Document.
17840 * tree-flow-inline.h (var_can_have_subvars): We also handle
17842 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17844 * tree-ssa-structalias.c (params.h): Include.
17845 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17846 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17847 (get_constraint_for): For ADDR_EXPR operating on something
17848 containing an ARRAY_REF, add all subvars to the solution.
17849 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17850 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17851 for creating MUST_DEFs.
17852 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17854 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17856 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17858 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17859 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17860 number_of_iterations_le): New functions.
17861 (number_of_iterations_special): Removed.
17862 (number_of_iterations_exit): Do not use number_of_iterations_special.
17863 * tree.c (unsigned_type_for): Always return integer type.
17865 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17866 Richard Guenther <rguenther@suse.de>
17868 PR rtl-optimization/24257
17869 * gcse.c (find_moveable_store): Only consider a store movable
17870 when the SET_SRC of the insn can be assigned to a register.
17872 2006-01-14 Ian Lance Taylor <ian@airs.com>
17874 * tree.c (tree_not_class_check_failed): New function.
17875 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17876 (tree_not_class_check_failed): Declare.
17878 2006-01-13 Ian Lance Taylor <ian@airs.com>
17880 * reload1.c (do_output_reload): Add assertion rejecting a
17883 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17885 * combine.c (struct reg_stat): Add new fields truncation_label and
17887 (record_value_for_reg): Reset truncated_to_mode.
17888 (record_truncated_value): New function.
17889 (check_promoted_subreg): Call it. Rename to check_conversions.
17890 (combine_instructions): Rename check_promoted_subreg to
17892 (reg_truncated_to_mode): New function.
17893 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17894 (gen_lowpart_or_truncate): New function.
17895 (force_to_mode): Use it instead of gen_lowpart.
17897 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17899 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17900 VAR is a tag, not its type tag.
17902 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17904 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17905 alternatives to match style of other entries.
17906 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17908 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17910 PR tree-optimization/25771
17911 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17914 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17917 * tree-inline.c (declare_return_variable): If the return variable
17918 was marked as a non gimple complex, set the return slot variable
17919 to be a non gimple comple variable.
17921 2006-01-13 Richard Guenther <rguenther@suse.de>
17923 * builtins.c (expand_builtin_sincos): New function.
17924 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17926 (expand_builtin): Expand sincos using expand_builtin_sincos.
17928 2006-01-12 DJ Delorie <dj@redhat.com>
17930 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17931 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17932 so that constant shifts can be split.
17933 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17934 (m32c_valid_pointer_mode): Make static.
17935 (shift_gen_func_for): New.
17936 (m32c_prepare_shift): Use it. Split large const shifts into
17938 * config/m32c/predicates.md (shiftcount_operand): Allow more
17940 (longshiftcount_operand): New.
17941 * doc/md.texi (Machine Constraints): Document In6.
17943 2006-01-13 Ben Elliston <bje@au.ibm.com>
17945 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17946 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17949 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17951 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17952 to try to avoid clobbering pieces of structures when we know
17953 something about the whole structure.
17954 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17956 2006-01-13 Ben Elliston <bje@au.ibm.com>
17958 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17959 return in memory, as this is no limitation is no longer present.
17961 2006-01-12 DJ Delorie <dj@redhat.com>
17963 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17964 mova with fb, and for fb+0 -> An.
17966 * config/m32c/mov.md (peephole2): Fix enabling logic.
17968 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17969 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17970 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17971 FINI_ARRAY_SECTION_ASM_OP): Define.
17973 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17975 (m32c_legitimize_reload_address): New logic to reload FB to An.
17976 (m32c_output_reg_push): Add newline.
17977 (m32c_output_reg_pop): Likewise.
17979 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17981 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17983 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17985 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17987 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17989 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17992 2006-01-11 Ben Elliston <bje@au.ibm.com>
17994 * rtlanal.c (find_reg_note): Assert insn is not null.
17996 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17998 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18001 2006-01-11 Jeff Law <law@redhat.com>
18003 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18005 (mark_threaded_blocks, register_jump_thread): New functions.
18006 (thread_through_all_blocks): Remove unwanted argument. No
18007 longer rely on e->aux to communicate thread target info.
18008 Call mark_threaded_blocks. Release the threaded_blocks
18009 bitmap and threaded_edges vector when complete.
18010 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18011 (threaded_blocks): Remove.
18012 (tree_ssa_dominator_optimize): Remove initialization and
18013 finalization of threaded_blocks. Simplify call to
18014 thread_through_all_blocks.
18015 (thread_across_edge): Call register_jump_thread rather than
18016 storing thread information into e->aux.
18017 (free_all_edge_infos): Simplify now that e->aux is no longer
18018 used to communicate with thread_through_all_blocks.
18019 * tree-flow.h (thread_through_all_blocks): Update prototype.
18020 (register_jump_thread): Prototype.
18022 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18024 * df-core.c (df_compact_blocks, df_bb_replace): Use
18025 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18027 2006-01-11 Richard Guenther <rguenther@suse.de>
18029 PR tree-optimization/25734
18030 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18031 stop propagation after successful propagation to the LHS.
18033 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18035 * basic-block.h (control_flow_graph): Change the type of
18036 x_basic_block_info to VEC(basic_block,gc) *.
18037 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18039 (SET_BASIC_BLOCK): New.
18040 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18041 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18042 * cfgbuild.c (find_basic_blocks): Likewise.
18043 * cfglayout.c (fixup_reorder_chain): Likewise.
18044 * cfgrtl.c (create_basic_block_structure,
18045 rtl_create_basic_block): Likewise.
18046 * ifcvt.c (find_if_case_1): Likewise.
18047 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18050 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18052 * Makefile.in: Removed rotted odf.c entry.
18054 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18057 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18058 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18059 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18060 output pattern modifier, not %e.
18061 * config/cris/cris.c (cris_op_str): Update comment about pattern
18063 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18064 before falling through into...
18065 <case 'E'>: Redefined from old 'e' case.
18067 2006-01-11 Jan Hubicka <jh@suse.cz>
18070 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18072 2006-01-11 Jan Hubicka <jh@suse.cz>
18074 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18075 * i386.c (x86_decompose_lea): Kill.
18076 (ix86_rtx_costs): Kill.
18078 2006-01-11 Jan Hubicka <jh@suse.cz>
18080 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18081 * cgraph.h (cgraph_node): Add inline_decl.
18082 (cgraph_insert_node_to_hashtable): Declare.
18083 (save_inline_function_body): Declare.
18084 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18086 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18087 (cgraph_function_versioning): Update call of tree_function_versioning.
18088 (save_inline_function_body): New function.
18089 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18090 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18091 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18092 (cgraph_default_inline_p): Likewise.
18093 (cgraph_decide_inlining_incrementally): Likewise.
18094 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18095 (copy_bb): Kill saving; do updating of clones.
18096 (copy_cfg_body): Kill saving.
18097 (initialize_inlined-parameters): Likewise.
18098 (expand_call_inline): Likewise.
18100 (tree_function_versioning): New parameter "update_clones".
18101 (inlining_p): Kill saving.
18102 * tree-inline.h (tree_function_versioning): Update prototype.
18103 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18106 2006-01-11 Ian Lance Taylor <ian@airs.com>
18108 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18109 Allow undoing set of machine mode.
18110 (do_SUBST): Use enums instead of is_int.
18111 (do_SUBST_MODE): New function.
18112 (SUBST_MODE): New macro.
18113 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18114 reg and trying to replace reg_regno_rtx with a new register.
18115 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18116 (simplify_set): Use SUBST_MODE.
18117 (distribute_notes): Remove code that tried to update reg notes
18118 for regno_reg_rtx changes.
18120 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18122 PR tree-optimization/23109
18123 PR tree-optimization/23948
18124 PR tree-optimization/24123
18126 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18127 * tree-cfg.c (single_noncomplex_succ): New.
18128 * tree-flow.h (single_noncomplex_succ): Declare it.
18129 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18130 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18131 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18132 insert_bb, register_division_in, insert_reciprocals,
18133 replace_reciprocal, free_bb): New.
18134 (execute_cse_reciprocals_1): Rewritten.
18135 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18136 Do not commit any edge insertion. Always compute dominators and
18137 create the allocation pool.
18138 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18139 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18140 * targhooks.c (default_min_divistions_for_recip_mul): New.
18141 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18142 * passes.c (init_optimization_passes): Run recip after tree loop
18144 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18146 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18147 Kenneth Zadeck <zadeck@naturalbridge.com>
18149 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18150 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18151 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18152 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18153 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18154 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18155 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18156 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18157 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18158 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18159 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18160 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18161 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18162 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18163 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18164 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18165 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18166 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18167 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18168 DF_SCAN_POST_ALLOC): New macros.
18169 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18170 df_free_bb_function, df_local_compute_function, df_init_function,
18171 df_dataflow_function, df_confluence_function_0,
18172 df_confluence_function_n, df_transfer_function,
18173 df_finalizer_function, df_free_function, df_dump_problem_function,
18174 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18175 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18176 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18177 df_urec_bb_info, ) New types.
18178 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18180 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18181 df_analyze_simple_change_some_blocks,
18182 df_analyze_simple_change_one_block, df_compact_blocks,
18183 df_bb_replace, df_bb_regno_last_use_find,
18184 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18185 df_insn_regno_def_p, df_find_def, df_find_use,
18186 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18187 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18188 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18189 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18190 debug_df_chain, df_get_dependent_problem, df_chain_create,
18191 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18192 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18193 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18194 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18195 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18196 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18197 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18198 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18199 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18200 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18201 df_reorganize_refs, df_set_state, df_hard_reg_init,
18202 df_read_modify_subreg_p) New public functions.
18203 * df-core.c: The core dataflow solver and glue routines for rtl
18205 (df_init, df_add_problem, df_set_blocks, df_finish,
18206 df_hybrid_search_forward, df_hybrid_search_backward,
18207 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18208 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18209 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18210 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18211 df_reg_defined, df_find_use, df_reg_used, df_dump,
18212 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18213 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18214 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18215 debug_df_useno, reset_df_after_reload): New functions.
18216 * df-scan.c: The scanning fuctions, once in df.c, completely
18217 rewritten so that they now fully model the functionality of
18218 register usage at the backend.
18219 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18220 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18221 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18222 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18223 df_get_artificial_defs, df_get_artificial_uses,
18224 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18225 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18226 df_refs_delete, df_reorganize_refs, df_set_state,
18227 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18228 df_def_record_1, df_defs_record, df_uses_record,
18229 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18230 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18231 df_record_exit_block_uses, df_hard_reg_init): New functions.
18233 * df-problems.c: Seven concrete dataflow problems that use the
18234 scanning in df-scan.c and are solved by the engine in df-core.c.
18235 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18236 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18237 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18238 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18239 df_ru_free_bb_info, df_ru_alloc,
18240 df_ru_bb_local_compute_process_def,
18241 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18242 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18243 df_ru_transfer_function, df_ru_free, df_ru_dump,
18244 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18245 df_rd_free_bb_info, df_rd_alloc,
18246 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18247 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18248 df_rd_transfer_function, df_rd_free, df_rd_dump,
18249 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18250 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18251 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18252 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18253 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18254 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18255 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18256 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18257 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18258 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18259 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18260 df_urec_mark_reg_use_for_earlyclobber,
18261 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18262 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18263 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18264 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18265 df_chain_create_bb_process_use, df_chain_create_bb,
18266 df_chain_finalize, df_chain_free, df_chains_dump,
18267 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18268 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18269 df_reg_lifetime): New functions.
18270 * df.c: Deleted file.
18271 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18272 consistent with new df api.
18273 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18274 rest_of_handle_sms): Ditto.
18275 * web.c (unionfind_union, union_defs, entry_register, web_main):
18277 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18278 invariant_expr_equal_p, find_defs, check_dependencies,
18279 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18280 free_inv_motion_data, move_loop_invariants): Ditto.
18281 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18282 Update dependencies.
18283 (odf.c): Added defective entry that was deleted later in day.
18284 * sched-deps.c (sched_analyze_1): Ditto.
18286 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18288 * tree-ssa-operands.c (get_expr_operands): Record addressable
18289 variables directly. Do not call add_stmt_operands for CONST_DECLs
18291 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18292 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18294 2006-01-11 Ben Elliston <bje@au.ibm.com>
18296 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18297 function returns true in the positive case.
18299 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18302 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18303 for SI, DI, SF and DF modes. Add alternatives to copy between
18304 general and floating point registers to the 32-bit patterns.
18305 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18306 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18307 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18308 generating 64-bit code.
18309 * config/pa/pa.c (output_move_double): Handle copies between general
18310 and floating registers.
18312 2006-01-10 Stuart Hastings <stuart@apple.com>
18314 * config/i386/i386.md (set_got): Update.
18315 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18316 (builtin_setjmp_receiver): Mach-O support.
18317 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18318 (GOT_SYMBOL_NAME): Define.
18319 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18320 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18321 * config/i386/i386.c (override_options): Revise for Darwin.
18322 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18323 support. (darwin_x86_file_end): New. (output_set_got): Add label
18324 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18325 * config/i386/i386-protos.h (output_set_got): Likewise.
18326 * config/darwin.c (machopic_legitimize_pic_address): Update
18329 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18331 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18332 when MODE isn't BLKmode.
18334 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18336 PR rtl-optimization/25367
18337 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18339 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18342 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18343 for a negative bound.
18345 2006-01-10 Richard Guenther <rguenther@suse.de>
18347 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18348 Never override with anything constraint.
18350 2006-01-10 Jan Beulich <jbeulich@novell.com>
18352 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18353 256 bits when optimize_size.
18355 2006-01-10 Jan Beulich <jbeulich@novell.com>
18357 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18359 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18360 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18363 2006-01-10 Ben Elliston <bje@au.ibm.com>
18365 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18367 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18368 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18369 (USE_FP_FOR_ARG): Reject decimal float modes.
18370 (function_arg_advance): Likewise.
18371 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18372 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18373 point types in AltiVec vectors.
18374 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18375 (rs6000_libcall_value): Likewise.
18377 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18379 * config/xtensa/ieee754-df.S: New file.
18380 * config/xtensa/ieee754-sf.S: New file.
18381 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18382 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18383 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18385 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18387 * config/sh/predicates.md (binary_float_operator,
18388 binary_logical_operator, commutative_float_operator,
18389 equality_comparison_operator, greater_comparison_operator,
18390 less_comparison_operator, logical_operator,
18391 noncommutative_float_operator, shift_operator,
18392 symbol_ref_operand, unary_float_operator): Remove redundant
18395 2006-01-09 Jeff Law <law@redhat.com>
18397 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18398 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18399 now unused arguments. Callers updated.
18400 (eliminate_redundant_computations): Remove now unused arguments,
18402 (local_fold): Remove, no longer used.
18403 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18405 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18406 (simplify_cond): New function.
18407 (forward_propagate_into_cond): Call simplify_cond.
18409 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18411 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18412 (*vec_extractv2di_1_sse): New.
18414 2006-01-09 Ben Elliston <bje@au.ibm.com>
18416 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18418 2006-01-08 Richard Guenther <rguenther@suse.de>
18420 * tree-ssa-structalias.c (get_constraint_for): Remove
18421 anyoffset argument.
18422 (get_constraint_for_component_ref): Likewise.
18423 (do_deref): Likewise.
18424 (get_constraint_for): Likewise.
18425 (do_structure_copy): Likewise.
18426 (handle_ptr_arith): Likewise.
18427 (find_func_aliases): Likewise. Remove unused need_anyoffset
18430 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18431 Kaz Kojima <kkojima@gcc.gnu.org>
18433 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18434 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18435 (EXTRA_CONSTRAINT_C16): Remove.
18436 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18437 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18438 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18439 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18440 constants of SHmedia. Handle nested constant expressions of
18442 (andcosts): Fix the costs for SHmedia constants.
18443 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18444 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18445 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18446 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18447 (movv4hi_i, movv2si_i): Likewise.
18448 (movsi_const): Adjust the second operand of ior so to match with
18449 the Csu constraint.
18450 (movdi_const, movdi_const_32bit): Likewise.
18451 (movdi_const_16bit+1): Don't sign-extend LOW.
18452 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18454 (*double_shori): Fix the split condition. Use GEN_INT instead
18455 of get_int_mode calls. Mask lower 16-bit of the argument of
18457 (sym2GOTPLT): Remove.
18458 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18460 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18461 instead of EXTRA_CONSTRAINT_C16.
18463 2006-01-07 Ian Lance Taylor <ian@airs.com>
18464 David Edelsohn <edelsohn@gnu.org>
18466 PR rtl-optimization/25662
18467 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18468 for constant operands instead of simplify_gen_binary.
18469 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18470 after trying simplify_binary_operation
18472 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18474 * tree.c (iterative_hash_expr): Hash decls based on UID.
18476 2006-01-06 Eric Christopher <echristo@apple.com>
18478 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18479 (TARGET_UNWIND_EMIT): Fix spelling.
18480 * target.h (gcc_target): Add except_table_label.
18481 * except.c (output_function_exception_table): Use.
18482 * varasm.c (default_emit_except_table_label): New.
18483 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18485 (asm_out): Add here.
18486 * output.h (default_emit_except_table_label): Prototype.
18487 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18488 * config/darwin.c (darwin_emit_except_table_label): Define.
18489 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18491 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18493 PR tree-optimization/18527
18494 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18495 number_of_iterations_special, number_of_iterations_exit):
18496 Move base and step of an iv to a single structure. Add
18497 no_overflow flag, and use it in # of iterations analysis.
18498 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18499 folded_casts argument.
18500 (simple_iv): Pass base and step in a structure. Set no_overflow
18502 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18503 Evaluate expensiveness of computing # of iterations instead of
18504 the final expression.
18505 * tree-scalar-evolution.h (affine_iv): New structure.
18506 (simple_iv): Declaration changed.
18507 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18508 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18509 find_givs_in_stmt): Changed due to simple_iv change.
18511 2006-01-06 Jeff Law <law@redhat.com>
18514 * tree-cfg.c (bsi_replace): Rename final argument from
18515 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18516 change (stmt -> orig_stmt).
18517 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18518 (bsi_remove): Add new argument. Remove EH information
18520 (verify_eh_throw_table_statements): New function.
18521 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18523 * tree-optimize.c (execute_free_cfg_annotations): Verify
18524 the EH throw statement table after removing annotations.
18525 * except.h (verify_eh_throw_table_statements): Prototype.
18526 * tree-flow.h (bsi_remove): Update prototype.
18527 * tree-vrp.c (remove_range_assertions): Add new argument to
18529 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18530 * tree-complex.c (expand_complex_div_wide): Likewise.
18531 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18532 * tree-tailcall.c (eliminate_tailcall): Likewise.
18533 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18534 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18535 * tree-nrv.c (tree_nrv): Likewise.
18536 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18537 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18538 (combine_blocks): Likewise.
18539 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18540 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18541 (cleanup_control_flow): Likewise.
18542 (remove_forwarder_block): Likewise.
18543 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18544 * tree-sra.c (sra_replace): Likewise.
18545 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18546 (forward_propagate_single_use_vars): Likewise.
18547 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18548 * tree-inline.c (expand_call_inline): Likewise.
18549 * tree-vect-transform.c (vect_transform_loop): Likewise.
18550 * tree-outof-ssa.c (rewrite_trees): Likewise.
18551 * tree-cfg.c (make_goto_expr_edges): Likewise.
18552 (cleanup_dead_labels): Likewise.
18553 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18554 (bsi_move_before, bsi_move_after): Likewise.
18555 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18556 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18558 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18561 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18563 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18564 on non gimple variables. Also add checks at the top for decls and
18566 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18568 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18569 and IMAGPART_EXPR for creating MUST_DEFs.
18570 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18571 and NAME_MEMORY_TAG separately from the DECLs.
18573 2006-01-06 Richard Guenther <rguenther@suse.de>
18575 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18576 annotation, if necessary.
18577 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18578 redundant calls to update_stmt.
18579 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18582 2006-01-05 Richard Henderson <rth@redhat.com>
18584 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18586 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18588 * c-typeck.c: Update copyright date.
18590 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18592 * c-typeck.c (build_c_cast): Always warn when casting
18593 from a pointer to an integer of different size, even if
18594 the node was constant.
18596 2006-01-05 Richard Guenther <rguenther@suse.de>
18598 PR tree-optimization/22555
18599 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18600 if one structure field is an array.
18601 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18602 operands even if we found a subvar, but ignore VOPs in this
18604 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18606 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18608 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18610 PR middle-end/24998
18611 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18613 2006-01-05 Richard Guenther <rguenther@suse.de>
18614 Diego Novillo <dnovillo@redhat.com>
18616 * tree-pass.h (TODO_remove_unused_locals): Define.
18617 * gimple-low.c (expand_var_p, remove_useless_vars,
18618 pass_remove_useless_vars): Remove. Update all users.
18619 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18620 (remove_unused_locals): New function.
18621 * tree-flow.h (remove_unused_locals): Declare.
18622 * passes.c (execute_todo): Call remove_unused_locals if
18623 TODO_remove_unused_locals is set.
18624 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18625 * tree-ssa-dce.c (pass_dce): Likewise.
18626 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18628 2006-01-05 Richard Guenther <rguenther@suse.de>
18630 * tree-flow.h (struct fieldoff): Decompose field to
18631 type, size and decl.
18632 * tree-ssa-alias.c (create_sft): Take type as parameter.
18633 (create_overlap_variables_for): Store type, size and decl
18634 in the fieldoff structure.
18635 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18636 of struct fieldoff.
18637 (push_fields_onto_fieldstack): Likewise.
18638 (create_variable_info_for): Likewise. Use offset for the
18639 SFT name if the decl is not available.
18641 2006-01-04 Paul Brook <paul@codesourcery.com>
18643 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18645 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18647 * lambda-code.c (can_put_in_inner_loop): Relax
18649 (can_put_after_inner_loop): New function.
18650 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18651 (perfect_nestify): Change to make copies and modify uses.
18653 2006-01-04 Richard Henderson <rth@redhat.com>
18655 Merge from gomp branch:
18656 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18657 via integer constant.
18658 (pragma_lex): Remove.
18659 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18660 rather than parsing it.
18661 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18662 handle_pragma_extern_prefix): Add %< %> quotes.
18663 (registered_pragmas): New.
18664 (c_register_pragma_1): New.
18665 (c_register_pragma): Use it.
18666 (c_register_pragma_with_expansion): Likewise.
18667 (c_invoke_pragma_handler): New.
18668 (init_pragma): Use cpp_register_deferred_pragma directly for
18670 * c-pragma.h (enum pragma_kind): New.
18671 (pragma_handler): New.
18672 (c_invoke_pragma_handler): Declare.
18673 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18675 * c-common.h (c_common_pch_pragma): Update decl.
18676 * Makefile.in (c-parser.o): Update dependencies.
18677 (GTFILES): Add c-pragma.h.
18678 * c-parser.c (struct c_token): Add pragma_kind.
18679 (struct c_parser): Add in_pragma.
18680 (c_lex_one_token): Always initialize keyword and pragma_kind.
18681 Extract data for CPP_PRAGMA.
18682 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18683 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18684 Don't allow CPP_PRAGMA_EOL if in_pragma.
18685 (c_parser_consume_pragma): New.
18686 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18687 (c_parser_skip_to_end_of_parameter): Likewise.
18688 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18689 (c_parser_skip_to_pragma_eol): New.
18690 (c_parser_external_declaration): Handle CPP_PRAGMA.
18691 (c_parser_compound_statement_nostart): Likewise.
18692 (c_parser_statement_after_labels): Likewise.
18693 (c_parser_pragma): New.
18694 (pragma_lex): Likewise.
18695 (c_parser_pragma_pch_preprocess): New.
18696 (c_parser_new): Merge into ...
18697 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18699 2006-01-04 Jeff Law <law@redhat.com>
18702 * tree-cfg.c (bsi_replace): Remove the original statement
18703 from the EH throw statement table.
18705 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18707 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18708 make the prototype extern "C" and add throw ().
18711 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18712 and pos non-negative and pos + len <= 32.
18713 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18714 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18715 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18718 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18719 as well as sizes not multiple of component size.
18722 * function.c (instantiate_expr): New function.
18723 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18724 walk its DECL_VALUE_EXPR with instantiate_expr.
18726 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18727 DW_OP_deref{,_size} if address isn't going to be added.
18729 2006-01-04 Ben Elliston <bje@au.ibm.com>
18731 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18732 * config/fp-bit.c: Likewise.
18734 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18736 * dominance.c: Add comment about why we use DFS numbering
18739 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18740 Richard Henderson <rth@redhat.com>
18742 Merge from gomp-branch:
18743 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18744 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18746 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18748 PR rtl-optimization/25578
18749 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18750 pass a parameter to simplify_shift_const if changing ASHIFTRT
18753 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18755 * builtins.c (get_builtin_sync_mem): New function.
18756 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18757 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18758 Call get_builtin_sync_mem to generate mem rtx.
18760 2006-01-03 Richard Guenther <rguenther@suse.de>
18763 * stmt.c (add_case_node): Make sure to clear overflow flags
18766 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18768 Merge from gomp-branch.
18769 * config/sparc/sync.md: New file.
18770 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18771 UNSPECV_LDSTUB): New constants.
18772 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18773 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18774 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18777 2006-01-03 Roger Sayle <roger@eyesopen.com>
18779 * combine.c (reg_subword_p): New predicate to test whether the
18780 destination of a set refers to a subword/piece of a register.
18781 (try_combine): Generalize the code to merge the setting of a
18782 pseudo to a constant followed by a set of a subword of that
18783 register to a constant.
18785 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18787 * basic-block.h (control_flow_graph): Change the type of
18788 x_label_to_block_map to VEC(basic_block,gc) *.
18789 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18790 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18792 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18793 VEC(basic_block,heap) *.
18794 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18795 ssa_prop_fini): Adjust the uses of cfg_blocks.
18797 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18799 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18801 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18802 hashing trees instead of a pointer hash.
18803 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18804 compare for MEM_EXPR.
18806 PR rtl-optimization/25130
18807 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18808 when comparing MEMs for GCSE
18810 2006-01-03 Ben Elliston <bje@au.ibm.com>
18812 * targhooks.h (default_decimal_float_supported_p): Declare.
18813 * targhooks.c (default_decimal_float_supported_p): Define.
18814 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18815 `default_decimal_float_supported_p'.
18816 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18818 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18820 * combine.c (apply_distributive_law <SUBREG>): Check
18821 TRULY_NOOP_TRUNCATION.
18823 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18825 * dwarf2out.c (have_switched_text_section): Delete.
18826 (have_multiple_function_sections): New.
18827 (have_location_lists): Make 'bool'.
18828 (add_AT_loc_list): Use 'true' not '1'.
18829 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18830 (output_loc_list): Use have_multiple_function_sections.
18831 (output_ranges): Likewise.
18832 (dwarf2out_begin_function): Set have_multiple_function_sections if
18834 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18835 Check function_section rather than DECL_SECTION_NAME.
18836 (dwarf2out_finish): Use have_multiple_function_sections.
18837 Don't clear have_location_lists.
18839 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18840 Jan Hubicka <jh@suse.cz>
18842 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18843 case of conditional jump jumping to the next instruction.
18844 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18845 cases of conditional jump jumping to the next instruction.
18847 2006-01-02 Jan Hubicka <jh@suse.cz>
18849 * i386.c (*_cost): Add COSTS_N_INSNS.
18850 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18852 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18855 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18857 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18859 * config/arm/arm.c (all_fpus): Fix comment typo.
18860 * config/darwin.c: Likewise.
18861 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18862 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18863 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18865 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18867 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18868 (rs6000_split_compare_and_swapqhi): New.
18869 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18870 (sync_compare_and_swapqhi_internal): New.
18871 * config/rs6000/rs6000-protos.h: Declare.