1 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3 * doc/invoke.texi: Fix mno-isel typo.
5 2006-11-18 Joseph Myers <joseph@codesourcery.com>
7 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
8 easy vector constant loads.
10 2006-11-18 Joseph Myers <joseph@codesourcery.com>
12 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
13 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
14 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
15 * config/rs6000/sync.md (lwsync): Emit plain sync if
18 2006-11-17 DJ Delorie <dj@redhat.com>
20 * reload1.c (reloads_unique_chain): New.
21 (reloads_conflict): Call it.
23 2006-11-17 Bob Wilson <bob.wilson@acm.org>
25 * config/xtensa/predicates.md (addsubx_operand): New.
26 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
27 (xtensa_emit_bit_branch): New.
28 (xtensa_emit_movcc): New.
29 * config/xtensa/xtensa.md (any_minmax): New code macro.
30 (minmax): New code attribute.
31 (any_cond, any_scc, any_scc_sf): New code macros.
32 (*addx2, *addx4, *addx8): Delete.
34 (*subx2, *subx4, *subx8): Delete.
36 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
37 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
38 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
39 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
40 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
41 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
42 (movsfcc_internal0, movsfcc_internal1): Likewise.
43 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
44 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
45 (xtensa_emit_bit_branch): New.
46 (xtensa_emit_movcc): New.
47 (function_arg_boundary): Add missing prototype.
49 2006-11-17 Bob Wilson <bob.wilson@acm.org>
51 * config/xtensa/xtensa.md (tstsi): Delete
53 2006-11-17 Bob Wilson <bob.wilson@acm.org>
55 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
57 2006-11-17 Bob Wilson <bob.wilson@acm.org>
59 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
61 2006-11-17 Bob Wilson <bob.wilson@acm.org>
63 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
65 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
67 * tree-vrp.c (execute_vrp): Do not update current_loops.
68 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
69 * doc/loop.texi: Remove documentation for cancelled functions.
70 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
71 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
73 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
74 (remove_path): Ensure that in delete_basic_blocks, the loops
76 (add_loop): Work on valid loop structures.
77 (loopify): Modify call of add_loop.
78 (mfb_update_loops): Removed.
79 (create_preheader): Do not update loops explicitly.
80 (force_single_succ_latches, loop_version): Do not use
82 (loop_split_edge_with): Removed.
83 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
84 Do not use bsi_insert_on_edge_immediate_loop.
85 (split_loop_exit_edge, tree_unroll_loop): Do not use
87 (bsi_insert_on_edge_immediate_loop): Removed.
88 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
89 use loop_split_edge_with.
90 * cfghooks.c: Include cfgloop.h.
91 (verify_flow_info): Verify that loop_father is filled iff current_loops
93 (redirect_edge_and_branch_force, split_block, delete_basic_block,
94 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
96 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
98 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
100 (sms_schedule): Use current_loops.
101 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
102 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
104 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
105 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
106 * ifcvt.c (if_convert): Ditto.
107 * predict.c (predict_loops): Do not clear current_loops.
108 (tree_estimate_probability): Use current_loops.
109 (propagate_freq): Receive head of the region to propagate instead of
111 (estimate_loops_at_level): Do not use shared to_visit bitmap.
112 (estimate_loops): New function. Handle case current_loops == NULL.
113 (estimate_bb_frequencies): Do not allocate tovisit. Use
115 * tree-ssa-loop.c (current_loops): Removed.
116 (tree_loop_optimizer_init): Do not return loops.
117 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
118 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
119 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
120 Do not update loops explicitly.
121 * function.h (struct function): Add x_current_loops field.
122 (current_loops): New macro.
123 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
124 * loop-unroll.c (split_edge_and_insert): New function.
125 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
126 use loop_split_edge_with.
127 * loop-doloop.c (add_test, doloop_modify): Ditto.
128 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
129 * cfglayout.c (copy_bbs): Do not update loops explicitly.
130 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
131 * tree-vect-transform.c (vect_transform_loop): Do not update loops
133 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
134 (flow_loops_free): Do not free dfs_order and rc_order.
135 (flow_loops_find): Do not set dfs_order and rc_order in loops
136 structure. Do not call loops and flow info verification.
137 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
138 already belongs to some loop.
139 * cfgloop.h (struct loops): Remove struct cfg.
140 (current_loops, loop_split_edge_with): Declaration removed.
141 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
142 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
144 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
145 * basic-block.h (split_edge_and_insert): Declare.
146 * tree-cfg.c (remove_bb): Do not update loops explicitly.
148 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
150 PR tree-optimization/29801
151 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
152 (get_default_value): Use get_symbol_constant_value.
153 (set_lattice_value): ICE when the value of the constant is
155 (visit_assignment): Ignore VDEFs of read-only variables.
157 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
159 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
161 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
162 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
164 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
166 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
167 select subvars of var.
169 2006-11-17 Jakub Jelinek <jakub@redhat.com>
172 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
173 optimize if DEF doesn't have integral type.
175 2006-11-16 Mike Stump <mrs@apple.com>
177 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
178 pre-darwin9 system, unless the user asks for it directly.
179 (PREFERRED_DEBUGGING_TYPE): Likewise.
180 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
181 * config.gcc: Add suppport for darwin9.h.
182 * config/darwin9.h: Add.
183 * doc/install.texi (Specific): Clarify darwin documentation.
185 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
187 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
190 2006-11-16 Mike Stump <mrs@apple.com>
192 * Makefile.in (targhooks.o): Add $(OPTABS_H).
194 2006-11-16 Dirk Mueller <dmueller@suse.de>
196 * tree-vrp.c (get_value_range): Use XCNEW instead
198 (insert_range_assertions): Use XCNEWVEC instead
199 of XNEWVEC and memset.
200 (vrp_initialize): Same.
201 (vrp_finalize): Same.
202 * tree-ssa-ccp.c (ccp_initialize): Same.
203 * predict.c (tree_bb_level_predictions): Same.
204 * calls.c (expand_call): Same.
205 * tree-ssa-copy.c (init_copy_prop): Same.
206 (fini_copy_prop): Same.
207 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
208 of GGC_NEW and memset.
210 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
213 * gimplify.c (gimplify_expr): Only force a load for references to
214 non-BLKmode volatile values.
215 * doc/implement-c.texi (Qualifiers implementation): Document the
216 interpretation of what a volatile access is.
217 * doc/extend.texi (C++ Extensions): Rework same documentation.
219 2006-11-16 Joseph Myers <joseph@codesourcery.com>
221 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
224 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
226 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
228 (arm_neg_abssi2): Renamed from neg_abssi2.
229 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
231 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
233 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
234 number of arguments passed to local functions in SSE registers is 3.
236 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
237 number of arguments passed in SSE registers to 3.
239 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
242 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
244 (get_last_bb_insn): ... new global function.
245 (basic_block.h): Declare it.
246 * haifa-sched.c (create_recovery_block): Use it.
248 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
251 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
253 2006-11-15 Paul Brook <paul@codesourcery.com>
255 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
256 _Unwind_GetTextRelBase): Move from here ...
257 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
258 _Unwind_GetTextRelBase): ... To here.
260 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
262 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
263 addresses we generate for testing are aligned.
265 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
268 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
269 to what is the const decl is a place holder for.
271 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
273 * config/i386/i386.opt: New target option -mx87regparm.
275 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
276 and float_in_x87 variables. mmx_words, sse_words: Remove.
277 (X87_REGPARM_MAX): Define.
279 * config/i386/i386.c (override_options): Error out for
280 -mx87regparm but no 80387 support.
281 (ix86_attribute_table): Add x87regparm.
282 (ix86_handle_cconv_attribute): Update comments for x87regparm.
283 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
284 (ix86_function_x87regparm): New function.
285 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
287 (init_cumulative_args): Initialize x87_nregs and float_in_x87
289 (function_arg_advance): Process x87_nregs and x87_regno when
290 floating point argument is to be passed in 80387 register.
291 (function_arg): Pass XFmode arguments in 80387 registers for local
292 functions. Pass SFmode and DFmode arguments to local functions
293 in 80387 registers when flag_unsafe_math_optimizations is set.
295 * reg-stack.c (convert_regs_entry): Disable NaN load for
296 stack registers that are used for argument passing.
298 * doc/extend.texi: Document x87regparm function attribute.
299 * doc/invoke.texi: Document -mx87regparm.
301 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
303 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
304 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
305 arg MODE; all callers changed. Use it to determine validity per
306 machine mode instead of using Pmode for all memory references.
307 (get_address_cost): Likewise add and use new arg MEM_MODE.
309 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
310 J"orn Rennecke <joern.rennecke@st.com>
312 * combine.c (likely_spilled_retval_1): Fix masking operation.
313 (likely_spilled_retval_p): Use proper pattern for call to
314 likely_spilled_retval_1.
316 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
318 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
320 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
321 that tests for CONSTANT_POOL_ADDRESS_P.
323 2006-11-15 Jakub Jelinek <jakub@redhat.com>
325 PR tree-optimization/29581
326 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
327 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
328 type is different between Y and USE, create a temporary
329 variable, initialize it at the beginning of the body bb
330 and use it as replacement instead of Y.
332 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
335 * gimplify.c (fold_indirect_ref_rhs): Use
336 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
338 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
340 * expmed.c (emit_store_flag_1): New function.
341 (emit_store_flag): Call it. If we can't find a suitable scc insn,
343 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
344 Use do_compare_rtx_and_jump.
345 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
346 * arm.md (cstoresi4): New define_expand.
347 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
348 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
349 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
351 2006-11-14 Caroline Tice <ctice@apple.com>
353 * dwarf2out.c (debug_pubtypes_section): New static global variable.
354 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
356 (pubname_table): Redefine as a vector.
357 (pubtype_table): New static global variable, defined as a vector.
358 (pubname_table_allocated): Remove static global variable.
359 (pubname_table_in_use): Remove static global variable.
360 (PUBNAME_TABLE_INCREMENT): Remove constant.
361 (size_of_pubnames): Add parameter to deal with either pubnames or
362 pubtypes, and change code to deal with table being a vector.
363 (add_pubname): Change to deal with table being a vector.
364 (add_pubtype): New function.
365 (output_pubnames): Add parameter to deal with either pubnames or
366 pubtypes, and change code to deal with table being a vector.
367 (gen_array_type_die): Add call to add_pubtype.
368 (gen_enumeration_type_die): Add call to add_pubtype.
369 (gen_struct_or_union_type_die): Add call to add_pubtype.
370 (gen_subroutine_type_die): Add call to add_pubtype.
371 (gen_typedef_die): Add call to add_pubtype.
372 (dwarf2out_init): Add code to initialize pubname_table and
373 pubtype_table vectors; also initialize debug_pubtypes_section.
374 (prune_unused_types): Change to deal with pubnames being a vector.
375 (dwarf2out_finish): Change to deal with pubnames being a vector; add
376 pubnames table to call to output_pubnames; Add code to output pubtypes
377 table if DEBUG_PUBTYPES_SECTION is defined.
378 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
380 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
382 2006-11-14 Joseph Myers <joseph@codesourcery.com>
384 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
385 iwmmxt_nregs if TARGET_IWMMXT_ABI.
386 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
387 movv2si_internal): Support moves between core registers.
389 2006-11-14 Eric Christopher <echristo@apple.com>
391 * configure: Regenerate with autoconf 2.59.
393 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
395 Fix PR tree-optimization/27755
397 * tree-ssa-pre.c: Update comments.
398 (bb_bitmap_sets): Add pa_in and deferred member.
399 (BB_DEFERRED): New macro.
400 (maximal_set): New variable.
401 (pre_stats): Add pa_insert member.
402 (bitmap_set_and): Short circuit orig == dest.
403 (bitmap_set_subtract_values): New function.
404 (bitmap_set_contains_expr): Ditto.
405 (translate_vuses_through_block): Add phiblock argument.
406 (dependent_clean): New function.
407 (compute_antic_aux): Update for maximal_set changes.
408 (compute_partial_antic_aux): New function.
409 (compute_antic): Handle partial anticipation.
410 (do_partial_partial_insertion): New function.
411 (insert_aux): Handle partial anticipation.
412 (add_to_sets): Add to maximal set.
413 (compute_avail): Ditto.
414 (init_pre): Initialize maximal_set.
415 (execute_pre): Do partial anticipation if -O3+.
417 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
419 PR rtl-optimization/29798
421 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
422 TARGET_INSN before any other check.
423 (fwprop_init): Always calculate dominators.
424 (fwprop_done): Always free them.
426 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
428 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
431 2006-11-13 DJ Delorie <dj@redhat.com>
433 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
434 temporary for intermediates.
436 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
438 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
439 (sh_optimize_target_register_callee_saved): #if 0 the code
440 using NOTE_INSN_LOOP_{BEG,END}.
442 2006-11-13 Roger Sayle <roger@eyesopen.com>
444 * fold-const.c (optimize_bit_field_compare): Recursively call
445 fold when simplifying non-constant comparisons between bit-fields.
447 2006-11-13 Jakub Jelinek <jakub@redhat.com>
449 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
451 * configure: Rebuilt.
453 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
455 * config/rs6000/cell.md: New file.
456 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
458 (ppccell_cost): New cost matrix.
459 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
460 (rs6000_override_options): Set rs6000_always_hint to false
461 for cell. Also align functions/lables/loops to 8byte
462 for the Cell. Use PROCESSOR_CELL.
463 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
465 (rs6000_variable_issue): If the insn is a nonpipelined instruction
466 on the Cell, return 0.
467 (rs6000_adjust_cost): Add Cell cost adjustments.
468 (is_microcoded_insn): Return true for Cell microcoded
470 (is_nonpipeline_insn): New function.
471 (rs6000_issue_rate): Add PROCESSOR_CELL.
472 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
474 (rs6000_use_sched_lookahead_guard): New function.
475 (rs6000_sched_reorder): Reorder the ready list, if the second
476 to last ready insn is a nonepipeline insn on the Cell.
477 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
478 (ASM_CPU_SPEC): Add Cell.
479 * config/rs6000/rs6000.md (cpu): Add Cell.
480 (cell_micro): New Attr.
483 2006-11-13 Jakub Jelinek <jakub@redhat.com>
485 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
487 * configure: Rebuilt.
489 2006-11-13 Richard Guenther <rguenther@suse.de>
491 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
493 (ix86_expand_lfloorceil): Likewise.
494 (ix86_expand_rint): Likewise.
495 (ix86_expand_floorceildf_32): Likewise.
496 (ix86_expand_floorceil): Likewise.
497 (ix86_expand_rounddf_32): Likewise.
498 (ix86_expand_truncdf_32): Likewise.
499 (ix86_expand_round): Likewise.
501 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
502 Mark Mitchell <mark@codesourcery.com>
504 * gcc.c: Organize search path variables into $prefix relative,
505 and well-known native. Add comments.
506 (add_sysrooted_prefix): Add comment.
507 (process_command): If !gcc_exec_prefix add $prefix based paths.
508 If *cross_compile == '0', add native well-known paths.
509 Assert tooldir_base_prefix is always relative.
510 (main): If print_search_dirs, and if gcc_exec_prefix is set,
511 use this value for 'install:' path.
512 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
514 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
516 * config/i386/i386.c: Fix a typo in comment.
518 2006-11-13 Michael Matz <matz@suse.de>
520 * genemit.c (gen_expand): Allocate enough memory.
522 2006-11-13 Joseph Myers <joseph@codesourcery.com>
524 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
525 __GXX_TYPEINFO_EQUALITY_INLINE but not
526 __GXX_MERGED_TYPEINFO_NAMES.
527 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
528 __GXX_MERGED_TYPEINFO_NAMES.
529 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
530 __GXX_TYPEINFO_EQUALITY_INLINE.
532 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
533 Zdenek Dvorak <dvorakz@suse.cz>
535 PR tree-optimization/29680
536 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
539 2006-11-12 Jason Merrill <jason@redhat.com>
540 Andrew Pinski <pinskia@physics.uc.edu>
543 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
545 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
547 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
548 * tree.c (build_vector): Handle non-_CST elements.
550 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
552 * genemit.c (gen_insn): Call gen_exp with a non-null used
553 when handling multiple insns.
554 (gen_expand): Likewise.
555 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
556 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
557 (movsi_const_16bit+1): Copy operands[1].
558 (call_pcrel): Copy the call_site pattern.
559 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
561 2006-11-12 Roger Sayle <roger@eyesopen.com>
563 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
564 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
565 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
566 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
568 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
570 Fix PR tree-optimization/29587
571 * tree-ssa-structalias.c (process_constraint): Don't
572 mark address taken due only to escaped vars constraint.
574 2006-11-12 Michael Matz <matz@suse.de>
575 Roger Sayle <roger@eyesopen.com>
577 PR rtl-optimization/29797
578 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
579 BITS_BIG_ENDIAN targets.
581 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
583 * builtins.c (fold_builtin_cosh): New.
584 (fold_builtin_1): Use it.
585 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
586 trunc to the list of "odd" functions. Also add llrint, lrint,
587 rint and nearbyint when flag_rounding_math is false.
589 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
591 * tree-flow.h (name_mappings_registered_p): Declare.
592 * tree-into-ssa.c (name_mappings_registered_p): New function.
593 * tree-cfg.c (tree_can_merge_blocks_p): Check
594 name_mappings_registered_p instead of need_ssa_update_p.
596 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
598 * tree-ssa-loop.c (tree_vectorize): Return the result of
600 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
602 * tree-vectorizer.h (vectorize_loops): Declaration removed.
603 * tree-flow.h (vectorize_loops): Declaration changed.
605 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
607 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
609 (issue_prefetch_ref): Move assignment to write_p out of loop.
610 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
611 SIMULTANEOUS_PREFETCHES into account.
612 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
613 * lambda-code.c (lcm): Renamed to ...
614 (least_common_multiple): ... and exported.
615 * tree-flow.h (least_common_multiple): Declare.
617 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
619 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
620 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
621 ud-chains. Handle AND_EXPR.
622 (record_estimate): Record whether the estimate is realistic
623 and whether it is derived from a loop exit.
624 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
625 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
627 (compute_estimated_nb_iterations): Take only realistic bounds into
628 account. Set estimate_state. Use double_ints.
629 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
630 and infer_loop_bounds_from_signedness. Do not consider basic blocks
631 that do not have to be always executed.
632 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
633 to determine whether to call infer_loop_bounds_from_undefined
634 and compute_estimated_nb_iterations.
635 (n_of_executions_at_most): Use double_ints.
636 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
637 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
638 * double-int.c (double_int_to_tree): Improve comment.
639 (double_int_fits_to_tree_p): New function.
640 * double-int.h (double_int_fits_to_tree_p): Declare.
641 * tree-data-ref.c: Include langhooks.h.
642 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
643 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
644 (analyze_array): Do not pass estimate_only argument to
645 analyze_array_indexes.
646 (get_number_of_iters_for_loop): Build tree from the stored double_int
648 (get_references_in_stmt, find_data_references_in_stmt): New functions.
649 (find_data_references_in_loop): Use find_data_references_in_stmt.
650 * tree-data-ref.h (struct data_ref_loc_d): New.
651 (get_references_in_stmt): Declare.
652 (estimate_iters_using_array): Declaration removed.
653 * cfgloop.h (struct nb_iter_bound): Change type of bound to
654 double_int. Improve comments. Add is_exit and realistic
656 (struct loop): Changed type of estimated_nb_iterations to double_int.
657 Added estimate_state field.
658 (record_estimate): Declaration removed.
660 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
662 * params.c (set_param_value): Initialize the "set" field.
663 * params.h (struct param_info): Add "set" field.
664 (PARAM_SET_P): New macro.
665 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
666 L1_CACHE_LINE_SIZE): New macros.
667 * toplev.c (DEFPARAM): Initialize the "set" field.
668 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
669 SIMULTANEOUS_PREFETCHES): Removed.
670 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
671 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
672 * config/sparc/sparc.c: Include params.h.
673 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
674 L1_CACHE_LINE_SIZE parameters.
675 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
677 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
679 * config/i386/i386.c: Include params.h.
680 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
681 (override_options): Set SIMULTANEOUS_PREFETCHES and
682 L1_CACHE_LINE_SIZE parameters.
683 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
684 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
685 L1_CACHE_LINE_SIZE parameters.
686 * config/ia64/ia64.c (ia64_optimization_options): Set
687 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
688 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
690 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
691 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
692 * doc/invoke.texi: Document new params.
694 2006-11-12 Roger Sayle <roger@eyesopen.com>
696 PR tree-optimization/13827
697 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
700 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
702 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
703 update_single_exit_for_duplicated_loops): New functions.
704 (duplicate_loop_to_header_edge): Use
705 update_single_exit_for_duplicated_loops.
706 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
707 functions only with ENABLE_CHECKING.
709 2006-11-12 Andreas Schwab <schwab@suse.de>
711 * except.c (sjlj_emit_function_enter): Remove unused variable.
713 2006-11-11 Roger Sayle <roger@eyesopen.com>
715 * fold-const.c (int_binop_types_match_p): New function.
716 (size_binop): Relax constraint that both arguments must both have
717 exactly the same sizetype type. Instead use int_binop_types_match_p.
718 (size_diffop): Likewise.
720 (make_range): Use build_int_cst instead of fold_convert.
721 (fold_cond_expr_with_comparison): Use build_int_cst to construct
722 integer constants of the correct type.
723 (fold_div_compare): Likewise.
724 (fold_single_bit_test): Likewise.
725 (fold_binary): Likewise.
726 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
727 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
729 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
732 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
733 non null value if the struct memory access is in the 0th
736 2006-11-12 Jie Zhang <jie.zhang@analog.com>
739 2006-11-11 Jie Zhang <jie.zhang@analog.com>
740 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
743 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
744 instead of builtin_define for bfin and BFIN.
746 2006-11-11 Jie Zhang <jie.zhang@analog.com>
748 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
751 2006-11-11 Jan Hubicka <jh@suse.cz>
753 * extended.texi (__builtin_expect): We no longer require second argument
755 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
756 * builtins.c (expand_builtin_expect): Simplify.
757 (expand_builtin_expect_jump): Kill.
758 * final.c (final_scan_insn): Do not skip the removed notes.
759 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
760 EXPECTED_VALUE): Remove.
761 * dojump.c (do_jump): Do not care about __builtin_expect.
762 * predict.c (expected_value_to_br_prob): Kill.
763 * function.c (expand_function_end): Do not expand
764 NOTE_INSN_REPEATED_LINE_NUMBER.
765 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
766 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
767 * cfgexpand.c (add_reg_br_prob_note): Export.
768 * cfgcleanup.c (rest_of_handle_jump2): Do not call
769 expected_value_to_br_prob.
770 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
771 * rtl.h (add_reg_br_prob_note): Declare.
773 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
775 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
777 2006-11-11 Jan Hubicka <jh@suse.cz>
779 * predict.c (predict_loops): Kill RTL variant.
781 2006-11-11 Jan Hubicka <jh@suse.cz>
783 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
784 * modulo-sched.c (find_line_note): Remove.
785 (loop_canon_p): Do not worry about line number notes.
786 (sms_schedule): Likewise.
787 * cse.c (cse_main): Likewise.
788 * regmove.c (fixup_match_1): Likewise
789 * function.c (emit_return_info_block): Likewise.
790 (expand_function_end): Likewise.
791 (thread_prologue_an_epilogue_insns): Likewise.
792 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
794 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
795 emit_note_copy_after): Kill.
796 (emit_note_copy): Do not worry about line numbers.
797 * jump.c (purge_line_number_notes): Kill.
798 (pass_purge_lineno_notes): Kill.
799 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
801 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
802 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
803 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
804 * tree-pass.h (pass_purge_lineno_notes): Kill.
805 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
806 rm_redundant_line_notes.
807 * sched-rgb.c (schedule_region): Don't rm_line_notes,
808 rm_redundant_line_notes.
809 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
810 * haifa-sched.c: Update comment about handling notes.
811 (unlink_line_notes): Kill.
812 (rm_line_notes): Kill.
813 (save_line_notes): Simplify.
814 (rm_redundant_line_notes): Kill.
816 2006-11-11 Richard Guenther <rguenther@suse.de>
818 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
819 Remove unused tree codes.
820 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
821 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
822 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
823 * tree.c (stabilize_reference): Likewise.
824 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
825 fold_unary): Likewise.
826 * tree-gimple.c (is_gimple_cast): Likewise.
827 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
828 * expr.c (expand_expr_real_1): Likewise.
829 * tree-eh.c (tree_could_trap_p): Likewise.
830 * gimplify.c (gimplify_expr): Likewise.
831 * tree-inline.c (estimate_num_insns_1): Likewise.
832 * tree-cfg.c (verify_expr): Likewise.
834 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
836 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
837 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
838 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
840 2006-11-11 Richard Sandiford <richard@codesourcery.com>
843 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
844 constraints accept neither registers or memories.
846 2006-11-11 Jie Zhang <jie.zhang@analog.com>
848 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
849 (NO_PROFILE_COUNTERS): Define as 1.
851 2006-11-10 Roger Sayle <roger@eyesopen.com>
853 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
854 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
856 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
858 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
860 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
862 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
863 (fold_builtin_hypot): Likewise.
864 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
866 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
868 2006-11-10 Roger Sayle <roger@eyesopen.com>
870 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
871 when attempting to build INTEGER_CSTs of non-integral types.
872 * expmed.c (make_tree): Use the correct type, i.e. the inner
873 type, when constructing the individual elements of a CONST_VECTOR.
875 2006-11-10 Jan Hubicka <jh@suse.cz>
877 * cse.c (cse_process_notes): Copy the propagated value.
878 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
880 * gcse.c (try_replace_reg): Copy the replacement.
881 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
882 (assign_386_stack_local): Always return copied memory expression
883 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
886 2006-11-10 Jan Hubicka <jh@suse.cz>
888 * final.c (final): Walk from first instruction.
889 * cfglayout.c (insn_locators_initialize): Remove line number notes.
891 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
894 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
896 (umulv8hi3_highpart): Ditto.
897 (vec_widen_smult_hi_v8hi): New expander.
898 (vec_widen_smult_lo_v8hi): Ditto.
900 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
903 * builtins.c (do_mpfr_arg3): New.
904 (fold_builtin_1): Handle builtins fma, fmin and fmax.
906 2006-11-09 Eric Christopher <echristo@apple.com>
911 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
912 * config.gcc (powerpc64-*-darwin*): New target.
913 * config.host: Ditto.
914 * config/rs6000/darwin64.h: New file.
915 * config/rs6000/x-darwin64: Ditto.
916 * config/rs6000/host-ppc64-darwin.c: Ditto.
918 2006-11-09 Steve Ellcey <sje@cup.hp.com>
920 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
921 routines for integer division.
923 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
925 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
927 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
930 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
932 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
934 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
935 simplify_subreg with BLKmode outer mode.
937 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
939 * doc/invoke.texi: Minor formatting fixes in option lists.
941 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
943 PR tree-optimization/29738
944 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
945 (ccp_lattice_t): Remove UNKNOWN_VAL.
946 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
947 Do not handle UNKNOWN_VAL.
948 (get_default_value): Set initial value of virtual operands to
950 (get_value): Always use get_default_value on uninitialized
952 (set_value_varying, surely_varying_stmt_p): New functions.
953 (set_lattice_value): Do not pass argument to get_value.
954 Do not handle UNKNOWN_VAL.
955 (likely_value): Follow the semantics described in the comment.
956 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
957 phi nodes DONT_SIMULATE_AGAIN.
958 (ccp_fold): Do not pass argument to get_value.
959 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
962 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
964 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
965 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
967 2006-11-08 Roger Sayle <roger@eyesopen.com>
969 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
970 test for inclusion rather than as a test for exclusion.
971 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
972 the condition after calling fold_binary.
973 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
974 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
975 * builtins.c (fold_builtin_isascii): Likewise.
976 (fold_builtin_isdigit): Likewise.
978 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
980 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
981 * configure: Regenerate.
983 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
985 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
986 enum argument instead of bool.
987 (vect_analyze_operations): Call vectorizable_type_promotion.
988 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
989 stmt_vec_info_type value.
990 (supportable_widening_operation, vectorizable_type_promotion): New
991 function declarations.
992 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
993 (vectorizable_type_promotion): New function.
994 (vect_transform_stmt): Call vectorizable_type_promotion.
995 * tree-vect-analyze.c (supportable_widening_operation): New function.
996 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
998 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1001 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1002 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1003 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1005 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1006 * expr.c (expand_expr_real_1): Likewise.
1007 * optabs.c (optab_for_tree_code): Likewise.
1008 (init_optabs): Initialize new optabs.
1009 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1010 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1011 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1012 vec_unpacku_lo_optab): Initialize new optabs.
1013 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1014 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1015 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1017 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1018 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1019 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1020 (vec_unpacku_lo_optab): New optabs.
1021 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1022 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1023 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1024 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1025 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1026 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1028 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1029 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1030 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1031 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1032 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1033 implement the unsigned unpacking patterns.
1034 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1035 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1036 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1037 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1038 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1039 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1040 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1041 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1042 multiplication patterns.
1044 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1045 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1046 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1047 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1048 (rs6000_builtin_mul_widen_odd): New.
1049 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1050 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1051 * tree-vectorizer.h (enum vect_relevant): New enum type.
1052 (_stmt_vec_info): Field relevant chaned from bool to enum
1054 (STMT_VINFO_RELEVANT_P): Updated.
1055 (STMT_VINFO_RELEVANT): New.
1056 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1057 instead of STMT_VINFO_RELEVANT_P.
1058 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1059 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1060 and boolean variable with enum vect_relevant.
1061 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1062 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1063 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1065 2006-11-08 Richard Henderson <rth@redhat.com>
1067 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1068 vec_widen_umult_lo_v8hi): New.
1069 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1070 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1072 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1073 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1074 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1075 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1076 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1077 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1078 vec_unpacks_lo_v4si): New.
1080 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1082 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1083 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1084 (vect_analyze_operations): Call vectorizable_type_demotion.
1085 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1086 stmt_vec_info_type value.
1087 (vectorizable_type_demotion): New function declaration.
1088 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1091 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1092 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1094 * tree-iniline.c (estimate_num_insns_1): Likewise.
1095 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1096 * optabs.c (optab_for_tree_code): Likewise.
1098 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1099 compared against the predicate of the result is not 'mode' (the input
1100 to the function) but a mode with half the size of 'mode'.
1101 (init_optab): Initialize new optabs.
1102 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1104 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1106 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1107 (vec_pack_usat_optab): Initialize new optabs.
1108 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1109 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1111 2006-11-08 Richard Henderson <rth@redehat.com>
1113 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1114 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1115 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1116 (vec_interleave_highv4si, vec_interleave_lowv4si):
1117 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1119 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1121 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1123 (vect_transform_stmt): Removed redundant code.
1125 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1127 * tree-vect-transform.c (vectorizable_operation): Support multiple
1130 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1132 * tree-vect-transform.c (vect_align_data_ref): Removed.
1133 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1134 Updated function documentation. Return the increment stmt in ptr_incr.
1135 (bump_vector_ptr): New function.
1136 (vect_get_vec_def_for_stmt_copy): New function.
1137 (vect_finish_stmt_generation): Create a stmt_info to newly created
1139 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1141 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1142 VF is greater than the number of elements that can fit in one vector
1144 (vectorizable_operation, vectorizable_condition): Likewise.
1145 (vectorizable_store, vectorizable_load): Support the case that the VF
1146 is greater than the number of elements that can fit in one vector word.
1147 (vect_transform_loop): Don't fail in case of multiple data-types.
1148 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1149 in case of multiple data-types; the smallest type determines the VF.
1150 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1151 if they are of different sizes.
1152 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1153 number of elements rather than number of bytes.
1154 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1155 (vect_can_advance_ivs_p): Fix a dump printout
1157 2006-11-07 Eric Christopher <echristo@apple.com>
1159 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1160 (__bswapsi2): Ditto.
1161 * libgcc2.h: Remove transformation of bswap routines.
1162 * config/i386/i386.md (bswapsi2): New.
1165 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1167 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1168 (handle_gnu_inline_attribute): New function.
1169 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1170 (merge_decls, start_decl, start_function): Likewise.
1171 * doc/extend.texi: Document gnu_inline attribute.
1173 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1176 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1177 _fixunstfdi, and _floatditf
1179 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1181 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1183 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1184 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1185 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1186 which start in an odd register.
1188 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1190 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1192 2006-11-07 Josh Conner <jconner@apple.com>
1194 * doc/invoke.texi (fstrict-aliasing): Move implementation
1196 * doc/tree-ssa.texi (Alias analysis): ...here.
1198 2006-11-07 Richard Guenther <rguenther@suse.de>
1200 PR tree-optimization/29610
1201 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1202 of tree_purge_dead_eh_edges as it may free dominators.
1204 * g++.dg/other/pr29610.C: New testcase.
1206 2006-11-07 David Ung <davidu@mips.com>
1208 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1209 costs when optimizing for size.
1210 (override_options): Use mips_rtx_cost_optimize_size table for cost
1213 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1215 * gcc.c (process_command): Treat -b as normal switch if its argument
1218 2006-11-07 David Ung <davidu@mips.com>
1220 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1223 2006-11-06 Eric Christopher <echristo@apple.com>
1225 * config.gcc: Add x86_64-darwin host support.
1226 * config.host: Ditto.
1227 * config/i386/darwin64.h: New file.
1228 * config/i386/t-darwin64: Ditto.
1230 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1232 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1233 and output-exists-not.
1235 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1238 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1239 checking for overflow.
1241 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1243 * configure.ac: Fixed typo in case statement: :: changed to ;;
1245 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1247 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1248 count_leading_zeros, and count_trailing_zeros.
1249 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1250 (TARGET_FOLD_BUILTIN): Define.
1251 (TARGET_EXPAND_BUILTIN): Define.
1252 (xtensa_init_builtins): New.
1253 (xtensa_fold_builtin): New.
1254 (xtensa_expand_builtin): New.
1255 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1256 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1257 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1258 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1259 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1260 (any_extend): New code macro.
1261 (u, su): New code attributes.
1262 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1263 (nsau): Remove; replaced by clzsi2.
1264 (ffssi2): Use clzsi2.
1265 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1266 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1267 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1268 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1269 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1271 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1273 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1275 * config/arm/t-strongarm-elf: Likewise.
1276 * config/arm/t-pe: Likewise.
1277 * config/arm/t-arm-elf: Likewise.
1278 * config/arm/t-xscale-elf: Likewise.
1279 * config/arm/t-arm-coff: Likewise.
1280 * config/arm/t-xscale-coff: Likewise.
1281 * config/arm/t-wince-pe: Likewise.
1283 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1285 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1288 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1291 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1294 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1297 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1298 as a valid 80387 constant.
1299 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1300 * config/i386/i386.md (unnamed splitter): Split the load of
1301 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1304 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1306 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1307 from the soft-frame, argument and virtual registers.
1309 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1311 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1312 patterns for standard 80387 constants.
1314 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1315 Steven Bosscher <steven@gcc.gnu.org>
1317 * fwprop.c: New file.
1318 * Makefile.in: Add fwprop.o.
1319 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1320 * passes.c (init_optimization_passes): Schedule forward propagation.
1321 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1323 * timevar.def (TV_FWPROP): New.
1324 * common.opt (-fforward-propagate): New.
1325 * opts.c (decode_options): Enable forward propagation at -O2.
1326 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1327 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1328 canon_for_address, table_size): Remove.
1329 (new_basic_block, insert, remove_from_table): Remove references to
1331 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1332 simplification loop more straightforward by not calling fold_rtx
1334 (equiv_constant): Move here a small part of fold_rtx_subreg,
1335 do not call fold_rtx. Call avoid_constant_pool_reference
1337 * recog.h (canonicalize_change_group): New.
1339 * doc/invoke.texi (Optimization Options): Document fwprop.
1340 * doc/passes.texi (RTL passes): Document fwprop.
1342 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1344 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1345 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1346 (grokdeclarator): Likewise.
1348 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1350 * tree-dump.c (dump_enable_all): Rename local variable
1351 ir_type to avoid name conflicts.
1352 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1353 instead of using ir_type().
1354 * profile.c (tree_register_profile_hooks): Likewise.
1355 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1356 * basic-block.h (struct edge_def): Likewise.
1357 * config/arm/arm.c (legitimize_pic_address): Likewise.
1358 * coretypes.h (ir_type): New enum of all intermediate languages
1360 * cfghooks.c (ir_type): Rename to...
1361 (current_ir_type): ...this. Distinguish between cfgrtl and
1362 cfglayout mode when the current IR is RTL. Return enum ir_type.
1363 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1365 2006-11-03 Paul Brook <paul@codesourcery.com>
1367 * config/arm/arm.c (arm_file_start): New function.
1368 (TARGET_ASM_FILE_START): Define.
1369 (arm_default_cpu): New variable.
1370 (arm_override_options): Set arm_default_cpu.
1372 2006-11-03 David Ung <davidu@mips.com>
1374 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1375 PROCESSOR_24KC and PROCESSOR_24KF.
1376 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1377 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1378 (mips_rtx_cost_data): Add costs for the 24kc.
1379 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1380 * config/mips/24k.md: Remove references to 24k and replace with
1381 uses of 24kc/24kf in the appropriate reservations.
1382 * doc/invoke.texi (MIPS Options): Updated.
1384 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1386 * config/sh/crt1.asm: Fix #ifdef indent.
1388 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1389 Merged from STMicroelectronics sources:
1390 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1391 * config/sh/crt1.asm (vbr_600): Add missing #if.
1392 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1393 * sh.opt (mfused-madd): New option.
1394 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1395 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1396 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1397 Remove pointless handler at VBR+0.
1398 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1399 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1400 fr7. Make sure the timer handler is called with the correct FPU
1401 precision setting, according to the ABI.
1402 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1403 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1404 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1405 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1406 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1407 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1408 zero as second operand.
1409 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1410 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1411 Fixed some bugs related to negative values, in particular -0
1412 and overflow at -0x80000000.
1413 * config/sh/divcost-analysis: Added sh4-300 figures.
1414 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1415 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1416 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1417 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1418 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1419 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1421 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1423 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1424 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1425 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1426 mac_mem, mem_mac, dfp_mul, fp_cmp.
1427 (insn_class, dfp_comp, any_fp_comp): Update.
1428 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1429 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1430 (muldf3_i): Likewise.
1431 (movsi_i): Split rI08 alternative into two separate alternatives.
1433 (movsi_ie, movsi_i_lowpart): Likewise.
1434 (movqi_i): Split ri alternative into two separate alternatives.
1436 * sh1.md (sh1_load_store, sh1_fp): Update.
1437 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1438 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1439 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1440 (sh4a_fp_double_arith): Likewise.
1441 * sh4-300.md: New file.
1442 * sh.c (sh_handle_option): Handle m4-300* options.
1443 (sh_adjust_cost): Fix latency of auto-increments.
1444 Handle SH4-300 differently than other SH4s. Check for new insn types.
1445 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1446 been set by an option.
1447 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1448 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1449 (mbranch-cost=): Likewise.
1450 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1452 * sh.md (mulsf3): Remove special expansion code.
1453 (mulsf3_ie): Now a define_insn_and_split.
1454 (macsf3): Allow for TARGET_SH4.
1456 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1457 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1458 (expand_cbranchdi4): Likewise.
1459 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1460 CONST_DOUBLE if the outer code is COMPARE.
1461 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1462 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1463 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1464 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1465 Remove redundant fp_{zero,one}_operand checks.
1466 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1467 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1468 (expand_cbranchdi4): Likewise.
1469 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1470 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1472 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1474 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1477 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1479 * doc/invoke.texi: Fix mfp-trap-mode typo.
1481 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1483 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1484 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1485 file_end_indicate_exec_stack.
1486 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1488 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1489 for a non-executable stack.
1490 * crti.asm: Likewise.
1491 * crtn.asm: Likewise.
1492 * libunwind.S: Likewise.
1494 2006-11-02 Ben Elliston <bje@au.ibm.com>
1496 * tree-ssa.c (warn_uninit): Use expand_location variables for
1497 locus and declaration locus.
1499 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1502 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1503 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1504 cmp{eq,gt,gtu}{si,di}_media.
1505 (*cmpne0si_media): Remove.
1506 (*movsicc_umin): Adjust gen_cmp*_media call.
1507 (unordered): Change the mode of unordered and operands[1] to
1509 (seq): Adjust gen_cmp*_media calls. Make the mode of
1510 a temporary result of compare SImode if needed. If the mode
1511 of operands[0] is DImode, extend the temporary result to DImode.
1512 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1513 (sunorderd): Change the mode of match_operand and unorderd to
1515 (cmpeq{sf,df}_media): Remove.
1516 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1517 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1518 and compare operation to SImode.
1520 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1522 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1524 (sparc64-sun-solaris2*): Likewise.
1526 2006-11-02 Paul Brook <paul@codesourcery.com>
1528 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1529 from priority argument. Use different section for non-default
1531 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1533 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1536 * except.c (switch_to_exception_section): Do not cache the section
1537 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1538 and flag_function_sections is set.
1540 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * builtins.c (do_mpfr_sincos): New.
1544 (fold_builtin_1): Use it to fold builtin sincos.
1546 2006-11-01 Roger Sayle <roger@eyesopen.com>
1548 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1549 it into -D_REENTRANT.
1551 2006-11-01 Roger Sayle <roger@eyesopen.com>
1553 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1554 whether the assembler supports taking the difference of symbols in
1555 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1556 * configure: Regenerate.
1557 * config.in: Regenerate.
1558 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1559 the assembler doesn't support taking the difference of symbols in
1560 different sections, i.e. we're using the native solaris assembler.
1562 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1563 Peter Bergner <bergner@vnet.ibm.com>
1565 * doc/invoke.texi: Add cpu_type power6x
1566 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1567 * config.gcc: Add cpu_type power6x.
1568 * configure.ac: Add test for mf{t,f}gpr instructions.
1569 (HAVE_AS_MFPGPR): New.
1570 * config.in: Regenerate.
1571 * configure: Regenerate.
1572 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1573 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1574 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1575 and mftgpr attributes.
1576 (define_attr "cpu"): Add power6.
1577 Change instruction sequences to use new attributes.
1578 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1579 (fix_truncdfsi2_mfpgpr): New.
1580 (floatsidf_ppc64_mfpgpr): New.
1581 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1582 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1583 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1584 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1585 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1586 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1587 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1588 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1589 cntlz,exts and var_delayed_compare.
1590 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1591 _ARCH_PWR6X, if features enabled.
1592 * config/rs6000/rs6000.opt (mmfpgpr): New.
1593 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1594 (cached_can_issue_more): New variable.
1595 (processor_costs): Add power6_cost.
1596 (rs6000_sched_init): New function.
1597 (is_dispatch_slot_restricted): Deleted.
1598 (set_to_load_agen): New function.
1599 (is_load_insn,is_store_insn): New functions.
1600 (adjacent_mem_locations): New function.
1601 (insn_must_be_first_in_group): New function.
1602 (insn_must_be_last_in_group): New function.
1603 (rs6000_sched_reorder): New function.
1604 (rs6000_sched_reorder2): New function.
1605 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1606 TARGET_SCHED_REORDER2): Define.
1607 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1608 Add power6x. Add MASK_MFPGPR for power6x.
1609 (POWERPC_MASKS): Add MASK_MFPGPR.
1610 (rs6000_override_options): Set rs6000_always_hint to false
1611 for power6. Set rs6000_align_branch_targets. Replace
1612 rs6000_sched_groups check with rs6000_align_branch_targets.
1613 Use PROCESSOR_POWER6.
1614 (last_scheduled_insn): New variable.
1615 (load_store_pendulum): New variable.
1616 (rs6000_variable_issue): Set last_scheduled_insn and
1617 cached_can_issue_more.
1618 (rs6000_adjust_cost): Add power6 cost adjustments.
1619 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1620 with insn_must_be_first_in_group. Add power6 priority adjustments.
1621 (rs6000_issue_rate): Add CPU_POWER6.
1622 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1623 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1624 (TARGET_MFPGPR): New.
1625 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1626 (ASM_CPU_SPEC): Add power6x.
1627 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1629 * config/rs6000/power6.md: New file.
1631 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1633 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1634 HOST_WIDE_INT_PRINT to print high and low parts. Use
1635 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1636 printing a hexadecimal number prefix it with 0x.
1638 2006-11-01 Chris Johns <chris@contemporary.net.au>
1641 * Makefile.in (install-driver): Use exeext when installing
1642 $target-gcc-$version.
1644 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1646 * c-common.c (flag_cpp0x): New.
1647 * c-common.h (flag_cpp0x): New.
1648 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1649 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1650 * c-opts.c (set_std_cxx0x): New.
1651 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1652 * c.opt (std=c++0x): Document.
1653 (std=gnu++0x): Ditto.
1654 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1655 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1657 2006-11-01 Richard Guenther <rguenther@suse.de>
1659 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1661 (ix86_expand_floorceildf_32): Likewise.
1662 (ix86_expand_floorceil): Likewise.
1663 (ix86_expand_trunc): Likewise.
1665 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1667 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1670 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1672 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1674 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1676 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1678 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1679 * configure.ac (use_cxa_atexit): As a special case, don't test
1680 for libc definition of __cxa_atexit on mingw32
1681 * configure: Regenerate.
1682 * config.gcc (i[34567]86-pc-mingw32): Default to
1683 enable__cxa_atexit=yes.
1685 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1687 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1689 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1692 * c-decl.c (start_struct): Don't create self-containing
1694 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1696 * config/rs6000/rs6000-protos.h
1697 (darwin_rs6000_special_round_type_align): New.
1698 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1699 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1701 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1703 * toplev.c (compile_file): Call final_write_globals
1704 even if there have been errors.
1706 2006-10-31 Eric Christopher <echristo@apple.com>
1707 Falk Hueffner <falk@debian.org>
1709 * doc/extend.texi (__builtin_bswap32): Document.
1710 (__builtin_bswap64): Ditto.
1711 * doc/libgcc.texi (bswapsi2): Document.
1713 * doc/rtl.texi (bswap): Document.
1714 * optabs.c (expand_unop): Don't widen a bswap.
1715 (init_optabs): Init bswap. Set libfuncs explicitly
1716 for bswapsi2 and bswapdi2.
1717 * optabs.h (OTI_bswap): New.
1718 (bswap_optab): Ditto.
1719 * genopinit.c (optabs): Handle bswap_optab.
1720 * tree.h (tree_index): Add TI_UINT32_TYPE and
1722 (uint32_type_node): New.
1723 (uint64_type_node): Ditto.
1724 * tree.c (build_common_tree_nodes_2): Initialize
1725 uint32_type_node and uint64_type_node.
1726 * builtins.c (expand_builtin_bswap): New.
1727 (expand_builtin): Call.
1728 (fold_builtin_bswap): New.
1729 (fold_builtin_1): Call.
1730 * fold-const.c (tree_expr_nonnegative_p): Return true
1732 * builtin-types.def (BT_UINT32): New.
1734 (BT_FN_UINT32_UINT32): Ditto.
1735 (BT_FN_UINT64_UINT64): Ditto.
1736 * builtins.def (BUILT_IN_BSWAP32): New.
1737 (BUILT_IN_BSWAP64): Ditto.
1738 * rtl.def (BSWAP): New.
1739 * genattrtab.c (check_attr_value): New.
1740 * libgcc2.c (__bswapSI2): New.
1741 (__bswapDI2): Ditto.
1742 * libgcc2.h (__bswapSI2): Declare.
1743 (__bswapDI2): Ditto.
1744 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1745 * simplify-rtx.c (simplify_const_unary_operation): Return
1747 * libgcc-std.ver (__bwapsi2): Add.
1748 (__bswapdi2): Ditto.
1749 * reload1.c (eliminate_regs_1): Add bswap.
1750 (elimination_effects): Ditto.
1751 * config/i386/i386.h (x86_bswap): New.
1752 (TARGET_BSWAP): Use.
1753 * config/i386/i386.c (x86_bswap): Set.
1755 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1757 * coverage.c (coverage_checksum_string): Update comment.
1758 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1759 of get_file_function_name.
1760 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1761 of get_file_function_name_long.
1762 * tree.c (get_file_function_name): Rename from
1763 get_file_function_name_long; improve comment; handle 'I' and 'D'
1764 specially when the target has ctor/dtor support; remove special
1766 (get_file_function_name): Remove.
1767 * tree.h (get_file_function_name): Rename from
1768 get_file_function_name_long.
1769 (get_file_function_name): Remove prototype.
1771 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1773 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1774 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1776 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1777 Call dsymutil when compiling and linking one or more source files
1780 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1783 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1785 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1787 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1788 inline static functions in c99 mode.
1791 * doc/extend.texi (Inline): Update.
1792 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1793 * c-decl.c (current_extern_inline): Delete.
1794 (pop_scope): Adjust test for an undefined nested function.
1795 Add warning about undeclared inline function.
1796 (diagnose_mismatched_decls): Update comments. Disallow overriding
1797 of inline functions in a translation unit in C99. Allow inline
1798 declarations in C99 at any time.
1799 (merge_decls): Boolize variables. Handle C99 'extern inline'
1801 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1802 C99 inline semantics.
1803 (start_function): Don't clear current_extern_inline. Don't set
1805 (c_push_function_context): Don't push current_extern_inline.
1806 (c_pop_function_context): Don't restore current_extern_inline.
1809 * c-typeck.c (build_external_ref): Warn about static variables
1810 used in extern inline functions.
1811 * c-decl.c (start_decl): Warn about static variables declared
1812 in extern inline functions.
1814 2006-10-31 Roger Sayle <roger@eyesopen.com>
1817 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1818 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1819 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1820 or y is an even integer.
1822 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1825 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1826 * gthr-posix95.h (__gthread_active_p): Likewise.
1828 2006-10-31 Richard Guenther <rguenther@suse.de>
1830 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1831 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1832 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1833 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1834 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1835 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1836 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1837 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1840 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1842 * opts.c (decode_options): Disable CSE skip blocks.
1844 2006-10-30 Dirk Mueller <dmueller@suse.de>
1846 * c-common.h (strict_aliasing_warning): Fix whitespace.
1847 * c-decl (start_function): Move code for main decl warning ..
1848 * c-common.c (check_main_parameter_types): .. here.
1849 * c-common.h (check_main_parameter_types): Declare.
1851 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1854 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1856 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1858 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1859 be a PARALLEL containing sets. Return false when out_pat is not
1862 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1864 * config/mips/mips.md (mul<mode>3): Split into...
1865 (mulsi3, muldi3): ...these separate patterns.
1867 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1869 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1870 but with each set of options separated by spaces.
1872 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1874 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1875 dwarf_reg_size_table has been initialized.
1877 2006-10-30 Roger Sayle <roger@eyesopen.com>
1879 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1880 * ddg.c (print_ddg_edge): Likewise.
1881 * dwarf2out.c (prune_unused_types_walk): Likewise.
1882 * ifcvt.c (noce_try_cmove_arith): Likewise.
1883 * langhooks.c (add_builtin_function): Likewise.
1884 * reg-stack.c (subst_stack_regs_pat): Likewise.
1885 * tree.c (expanded_location): Likewise.
1886 * tree-dump.c (dequeue_and_dump): Likewise.
1888 2006-10-30 David Daney <ddaney@avtrex.com>
1890 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1892 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1894 PR tree-optimization/29637
1895 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1896 of the innertype is the innertype itself.
1898 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1900 * dwarf2out.c (file_name_acquire): Correct typo.
1902 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1904 * tree.h (tree_value_handle): Remove struct value_set declaration.
1905 Change value_set to bitmap_set.
1906 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1907 * tree-vn.c (get_value_handle): Made inline and moved to
1909 * tree-flow-inline.h: (has_stmt_ann): New function.
1910 * tree-ssa-pre.c (expressions): New variable.
1911 (next_expression_id): Ditto.
1912 (alloc_expression_id): New function.
1913 (struct value_set): Remove.
1914 (get_expression_id): New function.
1915 (get_or_alloc_expression_id): Ditto.
1916 (expression_for_id): Ditto.
1917 (clear_expression_ids): Ditto.
1918 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1919 (bb_value_sets): Renamed to bb_bitmap_sets.
1920 All value sets replaced with bitmap_sets.
1922 (BB_VISITED): New macro.
1923 (postorder): New variable.
1924 (add_to_value): Removed.
1925 (value_exists_in_set_bitmap): Ditto.
1926 (value_insert_into_set_bitmap): Ditto.
1929 (set_remove): Ditto.
1930 (set_contains_value): Ditto.
1931 (insert_into_set): Ditto.
1933 (find_leader): Ditto.
1934 (bitmap_set_subtract_from_value_set): Ditto.
1935 (value_insert_into_set): Ditto.
1936 (print_value_set): Ditto.
1937 (debug_value_set): Ditto.
1938 (constant_expr_p): New function.
1939 (bitmap_remove_from_set): Ditto.
1940 (bitmap_insert_into_set): Ditto.
1941 (bitmap_set_free): Ditto.
1942 (vh_compare): Ditto.
1943 (sorted_array_from_bitmap_set): Ditto.
1944 (bitmap_set_subtract): Ditto.
1945 (bitmap_set_equal): Ditto.
1946 (debug_bitmap_set): Ditto.
1947 (find_leader_in_sets): Ditto.
1948 (bitmap_set_replace_value): Modify for bitmapped sets.
1949 (phi_translate): Ditto.
1950 (phi_translate_set): Ditto.
1951 (bitmap_find_leader): Ditto.
1952 (valid_in_sets): Ditto.
1953 (union_contains_value): Ditto.
1955 (compute_antic_aux): Ditto. Mark changed blocks.
1956 (compute_antic): Ditto. Iterate in postorder and only over
1958 (compute_rvuse_and_antic_safe): Reuse postorder.
1959 (create_component_ref_by_pieces): Modify for bitmapped sets.
1960 (find_or_generate_expression): Ditto.
1961 (create_expression_by_pieces): Ditto.
1962 (insert_into_preds_of_block): Ditto.
1963 (changed_blocks): New variable.
1964 (do_regular_insertion): Broken out from insert_aux.
1965 (insert_aux): Modified for bitmapped sets.
1966 (find_existing_value_expr): New function.
1967 (create_value_expr_from): Use it.
1968 (insert_extra_phis): Removed.
1969 (print_bitmap_set): Renamed from bitmap_print_value_set.
1970 (compute_avail): Handle RETURN_EXPR.
1971 (init_pre): Modify for bitmapped sets.
1972 * tree-flow.h (has_stmt_ann): New function.
1974 2006-10-29 Roger Sayle <roger@eyesopen.com>
1976 * builtins.c (fold_builtin_floor): Check for the availability of
1977 the C99 trunc function before transforming floor into trunc.
1979 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1981 * builtins.c (fold_builtin_hypot): Rearrange recursive
1982 transformation before others, and also do ABS_EXPR. When
1983 necessary, check flag_unsafe_math_optimizations. When necessary,
1986 2006-10-29 Roger Sayle <roger@eyesopen.com>
1988 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1989 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1990 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1991 Fold -X eq/ne -Y as X eq/ne Y.
1993 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1995 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1996 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1997 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1998 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1999 Use an inclusive test for "mult" rather than "mul".
2000 (rotr<mode>3): Depend on ISA_HAS_ROR.
2001 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2003 (GENERATE_MULT3_DI): Delete.
2004 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2005 (ISA_HAS_MUL3): New macro.
2006 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2007 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2008 (ISA_HAS_CLZ_CLO): Likewise.
2009 (ISA_HAS_DCLZ_DCLO): Delete.
2010 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2011 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2012 the VR4120 and VR4130.
2013 (ISA_HAS_MACCHI): Use consistent formatting.
2014 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2015 (ISA_HAS_ROR): ...this new macro.
2016 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2017 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2018 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2020 2006-10-29 Roger Sayle <roger@eyesopen.com>
2022 PR tree-optimization/15458
2023 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2026 2006-10-29 Richard Guenther <rguenther@suse.de>
2028 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2029 (ix86_expand_truncdf_32): Likewise.
2030 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2031 trunc inline for SSE math and -fno-trapping-math and if not
2032 optimizing for size.
2033 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2034 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2035 for expanding btrunc inline for SSE math.
2037 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2039 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2040 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2041 i[34567]86-*-solaris2.1[0-9]*.
2042 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2043 Define conditionally depending on TARGET_64BIT_DEFAULT.
2044 (SPEC_32, SPEC_64): Define.
2045 (LINK_SPEC): Use them.
2046 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2048 2006-10-29 Richard Guenther <rguenther@suse.de>
2050 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2051 (ix86_expand_rounddf_32): Likewise.
2052 * config/i386/i386.c (ix86_expand_round): New function expanding
2053 round inline for SSE math and -fno-trapping-math and if not
2054 optimizing for size.
2055 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2056 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2057 round via ix86_expand_round.
2059 2006-10-29 Richard Guenther <rguenther@suse.de>
2061 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2062 (ix86_expand_floorceildf_32): Likewise.
2063 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2064 static helper function.
2065 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2067 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2068 * config/i386/i386.md (floordf2): Adjust to enable floor
2069 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2070 -fno-trapping-math is enabled and if not optimizing for size.
2071 (floorsf2, ceildf2, ceilsf2): Likewise.
2072 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2073 (sse2_maskcmpdf3): Likewise.
2075 2006-10-29 Richard Guenther <rguenther@suse.de>
2077 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2078 rint in case -fno-trapping-math is enabled.
2079 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2080 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2081 (ix86_expand_sse_fabs): Likewise.
2082 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2083 * config/i386/i386.md (rintdf2): Enable for SSE math if
2084 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2085 (rintsf2): Likewise.
2087 2006-10-29 Richard Guenther <rguenther@suse.de>
2089 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2090 to conversion optabs.
2091 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2092 as conversion optab.
2093 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2094 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2095 (lfloor_optab, lceil_optab): Adjust defines.
2096 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2097 lfloor and lceil optabs now being conversion optabs.
2098 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2099 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2100 New static helper function.
2101 (ix86_expand_lfloorceil): New function to expand lfloor and
2103 * config/i386/i386.md (lfloor<mode>2): Split into ...
2104 (lfloorxf<mode>2): ... x87 variant
2105 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2106 using ix86_expand_lfloorceil.
2107 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2109 * doc/md.texi (lfloorMN, lceilMN): Document.
2111 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2113 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2114 -mno-shared assembler option on mips targets.
2115 * configure, config.in: Regenerate.
2116 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2117 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2118 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2120 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2122 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2123 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2125 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2127 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2128 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2131 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2134 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2135 (fold_builtin_pow): Evaluate constant arguments at compile-time
2137 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2138 (do_mpfr_ckconv): New helper function.
2139 (do_mpfr_arg1): Use do_mpfr_ckconv.
2140 (do_mpfr_arg2): New.
2142 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2145 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2146 (-fdump-rtl-sched): Rename to ..
2147 (-fdump-rtl-sched1): here. Also fix file extension number.
2149 2006-10-28 Richard Guenther <rguenther@suse.de>
2151 * fold-const.c (maybe_canonicalize_comparison): Fix code
2154 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2156 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2157 (NON_QI_REG_P): Use IN_RANGE.
2158 (REX_INT_REGNO_P): Use IN_RANGE.
2159 (FP_REGNO_P): Use IN_RANGE.
2160 (SSE_REGNO_P): Use IN_RANGE.
2161 (REX_SSE_REGNO_P): Use IN_RANGE.
2162 (MMX_REGNO_P): Use IN_RANGE.
2163 (STACK_REGNO_P): New macro.
2164 (STACK_REG_P): Use STACK_REGNO_P.
2165 (NON_STACK_REG_P): Use STACK_REGNO_P.
2166 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2167 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2168 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2169 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2170 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2172 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2174 * except.h (output_function_exception_table): Add 'const char*' param.
2175 * except.c (switch_to_exception_section): Add 'const char*' param.
2176 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2177 and flag_function_sections is set, use a function-specific section.
2178 (output_function_exception_table): Add 'const char*' param.
2179 Adjust call to switch_to_exception_section.
2180 * final.c (rest_of_handle_final): Adjust calls to
2181 output_function_exception_table.
2182 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2183 * config.in: Regenerate.
2184 * configure: Likewise.
2186 2006-10-28 Richard Guenther <rguenther@suse.de>
2189 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2190 for maybe_canonicalize_comparison.
2191 (maybe_canonicalize_comparison): New function for canonicalizing
2193 (fold_comparison): Call it to canonicalize comparisons with
2196 2006-10-28 Richard Guenther <rguenther@suse.de>
2199 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2200 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2201 (expand_builtin): Adjust likewise.
2202 * genopinit.c (optabs[]): Add lround optab.
2203 * optabs.c (init_optabs): Initialize lround_optab.
2204 * optabs.h (enum convert_optab_index): Add COI_lround.
2205 (lround_optab): Define.
2206 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2207 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2209 (ix86_expand_lround): New function.
2210 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2212 * doc/md.texi (lroundMN2): Document.
2214 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2217 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2218 argument to HOST_WIDE_INT. Update function prototype.
2219 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2220 "size" argument to HOST_WIDE_INT. Update function prototype.
2222 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2224 * config/i386/i386.c (output_387_ffreep): Create output from a
2225 template string for !HAVE_AS_IX86_FFREEP.
2227 2006-10-27 Eric Christopher <echristo@apple.com>
2229 * config/darwin.c: Fix formatting and grammar.
2231 2006-10-27 Jan Hubicka <jh@suse.cz>
2233 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2234 to be thrown away soon when IGNORE is set.
2235 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2236 indicating when return value shall not be computed.
2237 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2239 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2241 * config/i386/i386.h (TARGET_GEODE):
2242 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2243 (TARGET_CPU_DEFAULT_geode): New macro.
2244 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2245 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2246 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2247 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2248 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2250 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2251 (processor_type): Add PROCESSOR_GEODE.
2253 * config/i386/i386.md: Include geode.md.
2256 * config/i386/i386.c (geode_cost): New initialized global
2258 (m_GEODE, m_K6_GEODE): New macros.
2259 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2260 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2261 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2262 x86_schedule): Use m_K6_GEODE instead of m_K6.
2263 (x86_movx, x86_cmove): Set up m_GEODE.
2264 (x86_integer_DFmode_moves): Clear m_GEODE.
2265 (processor_target_table): Add entry for geode.
2266 (processor_alias_table): Ditto.
2268 * config/i386/geode.md: New file.
2270 * doc/invoke.texi: Add entry about geode processor.
2272 2006-10-27 Mike Stump <mrs@apple.com>
2274 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2275 __DYNAMIC__ from here back to ...
2276 * config/darwin.h (CPP_SPEC): ... here.
2278 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2279 Nathan Sidwell <nathan@codesourcery.com>
2281 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2282 when choosing the minimum heapsize.
2284 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2286 * gcc/unwind-dw2.h: Move cfa-related variables into
2287 struct frame_state_reg_info to ensure that the CFA is properly
2288 handled when executing DW_CFA_{remember,restore}_state.
2289 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2290 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2291 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2292 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2293 gcc/config/rs6000/linux-unwind.h,
2294 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2295 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2296 Modify to use new cfa_* fields.
2298 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2300 * config/s390/s390.c (s390_init_frame_layout): Check positive
2303 2006-10-26 Ben Elliston <bje@au.ibm.com>
2305 * gimplify.c (get_name): Remove extraneous break.
2306 (gimplify_omp_for): Initialise ret with GS_OK.
2308 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2310 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2311 Add unix98.o to link line.
2313 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2316 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2317 Calculate compile-time constants using MPFR.
2318 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2319 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2321 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2323 * config/xtensa/lib2funcs.S: Use C-style comments.
2325 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2327 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2328 (file_table_relative_p): Likewise.
2329 (dwarf2out_finish): Likewise.
2330 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2332 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2334 * tree-ssa-structalias.c (intra_create_variable_infos):
2335 Don't recreate nonlocal_all if it already exists.
2337 2006-10-25 Richard Guenther <rguenther@suse.de>
2340 * optabs.h (enum optab_index): Remove OTI_lrint.
2341 (enum convert_optab_index): Add COI_lrint.
2342 (lrint_optab): Adjust.
2343 (expand_sfix_optab): Declare.
2344 * optabs.c (expand_sfix_optab): New function.
2345 (init_optabs): Init lrint_optab as conversion optab.
2346 * genopinit.c (lrint_optab): Change to a conversion optab.
2347 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2348 expansion via conversion optab.
2349 * config/i386/i386.md (*fistdi2_1): Remove
2350 flag_unsafe_math_optimizations guard.
2351 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2352 fist<mode>2_with_temp): Likewise.
2353 (lrint<mode>2): Split into...
2354 (lrintxf<mode>2): ... x87 part
2355 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2356 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2357 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2358 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2359 * doc/md.texi (lrintMN2): Document.
2361 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2364 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2365 Use inc and dec instructions for TARGET_USE_INCDEC.
2366 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2367 ("sync_double_compare_and_swap<mode>"): Likewise.
2368 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2369 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2370 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2371 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2372 ("sync_old_add<mode>"): Likewise.
2373 ("sync_lock_test_and_set<mode>"): Likewise.
2374 ("sync_lock_test_and_set<mode>"): Likewise.
2375 ("sync_add<mode>"): Likewise.
2376 ("sync_sub<mode>"): Likewise.
2377 ("sync_ior<mode>"): Likewise.
2378 ("sync_and<mode>"): Likewise.
2379 ("sync_xor<mode>"): Likewise.
2381 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2383 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2384 (remainder_optab): Define corresponding macro.
2385 (drem_optab): Remove.
2386 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2387 drem_optab initialization.
2388 * genopinit.c (optabs): Implement remainder_optab using
2389 remainder?f3 patterns. Remove drem_optab.
2390 * builtins.c (expand_builtin_mathfn_2): Handle
2391 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2392 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2393 expand_builtin_mathfn_2.
2395 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2396 depend on flag_unsafe_math_optimizations.
2398 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2399 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2400 Do not depend on flag_unsafe_math_optimizations. Use
2401 truncxf?f expander instead of truncxf?f_i387_noop.
2403 ("fpremxf4", "fprem1xf4"): Do not depend on
2404 flag_unsafe_math_optimizations.
2405 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2406 flag_unsafe_math_optimizations. Use truncxf?f expander
2407 instead of truncxf?f_i387_noop.
2409 * doc/md.texi (fmod, remainder): Document standard named pattern.
2411 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2412 David Daney <ddaney@avtrex.com>
2415 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2417 2006-10-25 Ben Elliston <bje@au.ibm.com>
2419 * doc/extend.texi (Variable Attributes): Typo fix.
2421 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2423 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2424 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2425 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2426 (FRAME_POINTER_REGNUM): Update register number to 21.
2427 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2428 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2430 * config/i386/i386.c (regclass_map): Add fpcr entry.
2431 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2433 (print_reg): Assert REGNO (x) != FPCR_REG.
2435 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2436 (DIRFLAG_REG): Renumber.
2437 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2438 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2439 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2440 hardcoded SSE register numbers.
2442 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2443 hardcoded MMX register numbers.
2445 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2448 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2449 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2451 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2452 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2453 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2454 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2456 2006-10-24 Richard Guenther <rguenther@suse.de>
2459 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2460 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2461 for deciding optimizations in consistency with fold-const.c
2462 (fold_builtin_unordered_cmp): Likewise.
2464 2006-10-24 Richard Guenther <rguenther@suse.de>
2466 * builtins.c (fold_builtin_floor): Fold floor (x) where
2467 x is nonnegative to trunc (x).
2468 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2469 nonnegative to FIX_TRUNC_EXPR.
2471 2006-10-24 Richard Guenther <rguenther@suse.de>
2473 PR tree-optimization/29567
2474 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2475 for TRUTH_NOT_EXPR. Clarify comments.
2477 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2480 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2481 at compile-time using MPFR. Change parameter VALUE to FUNC,
2483 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2484 for overflow and underflow at all times and avoid folding in
2487 2006-10-24 Ben Elliston <bje@au.ibm.com>
2489 * reload1.c: Formatting fixes.
2491 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2493 PR tree-optimization/14784
2494 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2495 * tree-ssa-structalias.c (get_constraint_for,
2496 intra_create_variable_infos): Set is_heapvar.
2497 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2498 non-heapvar pointer variables specially.
2500 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2503 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2504 fold_builtin_tan): Fold all constant arguments. Take a "type"
2505 argument as necessary.
2506 (do_mpfr_arg1): New.
2507 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2509 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2511 * config/xtensa/lib1funcs.asm: Use C-style comments.
2513 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2515 * tree.c (local_define_builtin): Replace calls to
2516 lang_hooks.builtin_function with add_builtin_function.
2517 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2519 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2521 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2522 common code to add_builtin_function.
2523 * langhooks.c (add_builtin_function): New function.
2524 (lhd_builtin_function): New function.
2525 * langhooks.h (struct lang_hooks): Change the signature of
2527 (add_builtin_function): New function.
2528 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2529 calls to lang_hooks.builtin_function with add_builtin_function.
2530 * c-common.c (decl_builtin_1): Replace calls to
2531 lang_hooks.builtin_function with add_builtin_function.
2532 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2533 lang_hooks.builtin_function with add_builtin_function.
2534 * config/frv/frv.c (def_builtin): Replace calls to
2535 lang_hooks.builtin_function with add_builtin_function.
2536 * config/s390/s390.c (s390_init_builtins): Replace calls to
2537 lang_hooks.builtin_function with add_builtin_function.
2538 * config/sparc/sparc.c (def_builtin): Replace calls to
2539 lang_hooks.builtin_function with add_builtin_function.
2540 * config/i386/i386.c (def_builtin): Replace calls to
2541 lang_hooks.builtin_function with add_builtin_function.
2542 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2543 lang_hooks.builtin_function with add_builtin_function.
2544 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2545 lang_hooks.builtin_function with add_builtin_function.
2546 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2547 Replace calls to lang_hooks.builtin_function with
2548 add_builtin_function.
2549 * config/iq2000/iq2000.c (def_builtin):
2550 Replace calls to lang_hooks.builtin_function with
2551 add_builtin_function.
2552 * config/ia64/ia64.c (def_builtin): Replace calls to
2553 lang_hooks.builtin_function with add_builtin_function.
2554 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2555 lang_hooks.builtin_function with add_builtin_function.
2556 (altivec_init_builtins): Replace calls to
2557 lang_hooks.builtin_function with add_builtin_function.
2558 * config/arm/arm.c (def_mbuiltin): Replace calls to
2559 lang_hooks.builtin_function with add_builtin_function.
2560 (arm_init_tls_builtins): Replace calls to
2561 lang_hooks.builtin_function with add_builtin_function.
2562 * config/mips/mips.c (mips_init_builtins): Replace calls to
2563 lang_hooks.builtin_function with add_builtin_function.
2564 * config/bfin/bfin.c (def_builtin): Replace calls to
2565 lang_hooks.builtin_function with add_builtin_function.
2566 * langhooks-def.h (lhd_builtin_function): New function.
2567 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2569 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2571 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2572 BUILT_IN_STRNCAT_CHK.
2574 2006-10-23 Jan Hubicka <jh@suse.cz>
2576 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2577 don't do conversion from memmove to memcpy here.
2578 (expand_builtin_bcopy, expand_builtin): Update call of
2579 expand_builtin_memmove.
2580 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2582 2006-10-23 Paul Brook <paul@codesourcery.com>
2584 * stor-layout.c (start_record_layout): maximum_field_alignment
2585 overrides STRUCTURE_SIZE_BOUNDARY.
2587 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2589 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2590 nonlocal function symbols if flag_pic.
2592 2006-10-23 Richard Guenther <rguenther@suse.de>
2596 * builtins.c (fold_binary): Remove checks for flag_wrapv
2597 and flag_trapv where negate_expr_p covers these cases.
2599 2006-10-23 Richard Guenther <rguenther@suse.de>
2602 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2603 of two on the absolute value.
2604 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2605 and negating -C does not overflow.
2607 2006-10-23 Richard Guenther <rguenther@suse.de>
2610 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2611 only if not flag_rounding_math.
2613 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2614 Kaz Kojima <kkojima@gcc.gnu.org>
2617 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2618 SImode memory reference for the source of a movua.
2619 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2620 (movua): Use an unspec instead of sign_extract. Expect the source
2621 to have mode BLKmode.
2622 (extv, insv): Use a BLKmode rather than SImode memory reference
2623 for the source of a movua.
2625 2006-10-22 Jeff Law <law@redhat.com>
2626 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/15911
2629 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2630 (register_edge_assert_for_1): Likewise.
2631 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2632 (find_conditional_asserts): Adjust for new function signature.
2633 (find_assert_locations): Likewise.
2635 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2637 * config/i386/tmmintrin.h: Remove the duplicated content.
2639 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2641 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2642 (x86_64-*-*): Likewise.
2644 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2645 (override_options): Check SSSE3.
2646 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2647 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2648 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2649 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2650 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2651 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2652 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2653 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2654 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2655 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2656 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2657 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2658 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2659 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2660 IX86_BUILTIN_PABSD128.
2661 (bdesc_2arg): Add SSSE3.
2662 (bdesc_1arg): Likewise.
2663 (ix86_init_mmx_sse_builtins): Support SSSE3.
2664 (ix86_expand_builtin): Likewise.
2665 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2667 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2668 (UNSPEC_PSIGN): Likewise.
2669 (UNSPEC_PALIGNR): Likewise.
2670 Include mmx.md before sse.md.
2672 * config/i386/i386.opt: Add -mssse3.
2674 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2675 (ssse3_phaddwv4hi3): Likewise.
2676 (ssse3_phadddv4si3): Likewise.
2677 (ssse3_phadddv2si3): Likewise.
2678 (ssse3_phaddswv8hi3): Likewise.
2679 (ssse3_phaddswv4hi3): Likewise.
2680 (ssse3_phsubwv8hi3): Likewise.
2681 (ssse3_phsubwv4hi3): Likewise.
2682 (ssse3_phsubdv4si3): Likewise.
2683 (ssse3_phsubdv2si3): Likewise.
2684 (ssse3_phsubswv8hi3): Likewise.
2685 (ssse3_phsubswv4hi3): Likewise.
2686 (ssse3_pmaddubswv8hi3): Likewise.
2687 (ssse3_pmaddubswv4hi3): Likewise.
2688 (ssse3_pmulhrswv8hi3): Likewise.
2689 (ssse3_pmulhrswv4hi3): Likewise.
2690 (ssse3_pshufbv16qi3): Likewise.
2691 (ssse3_pshufbv8qi3): Likewise.
2692 (ssse3_psign<mode>3): Likewise.
2693 (ssse3_psign<mode>3): Likewise.
2694 (ssse3_palignrti): Likewise.
2695 (ssse3_palignrdi): Likewise.
2696 (abs<mode>2): Likewise.
2697 (abs<mode>2): Likewise.
2699 * config/i386/tmmintrin.h: New file.
2701 * doc/extend.texi: Document SSSE3 built-in functions.
2703 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2705 2006-10-22 Ira Rosen <irar@il.ibm.com>
2707 * tree-vect-transform.c (vectorizable_load): Use the type of the
2708 return value of the mask_for_load builtin to create realign_load
2711 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2713 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2716 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2718 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2719 (UNSPEC_LDDQU): This.
2720 * config/i386/sse.md (sse3_lddqu): Updated.
2722 2006-10-21 Richard Guenther <rguenther@suse.de>
2724 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2725 (expand_builtin): Use it to expand lrint instead of
2726 expand_builtin_mathfn.
2728 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2731 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2732 flag_unsafe_math_optimizations is set.
2734 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2737 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2738 patterns to use memory input operand in x87->mem->XMM
2739 reload sequences. Skip transformation for TARGET_K8.
2741 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2743 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2744 force operand1 to register if both operands are memory operands.
2745 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2746 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2747 if both operands are memory operands.
2748 (truncdfsf2): Do not force operand1 to register if both operands
2749 are memory operands.
2751 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2753 * Makefile.in (LIBS): Add $(GMPLIBS).
2754 * doc/install.texi: Update GMP and MPFR requirements.
2755 * doc/sourcebuild.texi (need_gmp): Delete.
2757 2006-10-21 Richard Guenther <rguenther@suse.de>
2759 PR tree-optimization/3511
2760 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2761 got new invariant arguments during PHI translation.
2763 2006-10-21 Richard Guenther <rguenther@suse.de>
2766 * fold-const.c (fold_comparison): Fold signed comparisons
2767 of the form X +- C1 CMP Y +- C2.
2769 2006-10-21 Richard Guenther <rguenther@suse.de>
2772 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2773 if flag_unsafe_math_optimizations is specified. We have
2774 flag_finite_math_only for that.
2775 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2776 or flag_unsafe_math_optimizations.
2778 2006-10-21 Richard Guenther <rguenther@suse.de>
2780 * builtins.c (fold_builtin_classify): Fix typo.
2782 2006-10-21 Richard Guenther <rguenther@suse.de>
2785 * simplify-rtx.c (simplify_const_relational_operation):
2786 Do not constant-fold ORDERED and UNORDERED for
2787 flag_unsafe_math_optimizations but only we do not need to
2788 honor NaNs for the given mode.
2790 2006-10-21 Richard Guenther <rguenther@suse.de>
2793 * config/i386/i386.c (classify_argument): Remove redundant
2794 walking of the BINFOs.
2795 (contains_128bit_aligned_vector_p): Likewise.
2797 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2799 * BASE-VER: Set to 4.3.0.
2801 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2803 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2804 (tree_decl_with_vis): Remove artificial_pta_var flag.
2805 * tree-flow.h (referenced_var_check_and_insert): Expose.
2806 (nonlocal_all): New prototype.
2807 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2808 (nonlocal_all): Make global.
2809 (nonlocal_lookup): Remove.
2810 (nonlocal_insert): Ditto.
2811 (create_nonlocal_var): Do not call nonlocal_insert.
2812 (get_nonlocal_id_for_type): Remove.
2813 (find_global_initializers): Mark new vars we find for renaming.
2814 (intra_create_variable_infos): Only create one nonlocal.
2815 (expand_nonlocal_solutions): Remove.
2816 (compute_points_to_sets): Don't call it.
2817 (ipa_pta_execute): Ditto.
2818 (init_alias_heapvars): Don't create nonlocal_for_type.
2819 (delete_alias_heapvars): Don't remove it.
2820 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2823 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2825 * doc/install.texi (Downloading GCC): Clarify mention of
2826 Fortran in the "full distribution" description.
2828 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2830 Fix PR tree-optimization/28778
2831 Fix PR tree-optimization/29156
2832 Fix PR tree-optimization/29415
2833 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2834 (tree_decl_with_vis): Add artificial_pta_var flag.
2835 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2836 pushed into callers.
2837 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2838 (nonlocal_all): Ditto.
2839 (struct variable_info): Add directly_dereferenced member.
2840 (var_escaped_vars): New variable.
2841 (escaped_vars_tree): Ditto.
2842 (escaped_vars_id): Ditto.
2843 (nonlocal_vars_id): Ditto.
2844 (new_var_info): Set directly_dereferenced.
2845 (graph_size): New variable
2846 (build_constraint_graph): Use graph_size.
2847 (solve_graph): Don't process constraints that cannot change the
2848 solution, don't try to propagate an empty solution to our
2850 (process_constraint): Set directly_dereferenced.
2851 (could_have_pointers): New function.
2852 (get_constraint_for_component_ref): Don't process STRING_CST.
2853 (nonlocal_lookup): New function.
2854 (nonlocal_insert): Ditto.
2855 (create_nonlocal_var): Ditto.
2856 (get_nonlocal_id_for_type): Ditto.
2857 (get_constraint_for): Allow results vector to be empty in the case
2858 of string constants.
2859 Handle results of calls properly.
2860 (update_alias_info): Update alias info stats on number and type of
2862 (find_func_aliases): Use could_have_pointers.
2863 (make_constraint_from_escaped): Renamed from
2864 make_constraint_to_anything, and changed to make constraints from
2866 (make_constraint_to_escaped): New function.
2867 (find_global_initializers): Ditto.
2868 (create_variable_info_for): Make constraint from escaped to any
2869 global variable, and from any global variable to the set of
2871 (intra_create_variable_infos): Deal with escaped instead of
2872 pointing to anything.
2873 (set_uids_in_ptset): Do type pruning on directly dereferenced
2875 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2876 (init_base_vars): Fix comment, and initialize escaped_vars.
2877 (need_to_solve): Removed.
2878 (find_escape_constraints): New function.
2879 (expand_nonlocal_solutions): Ditto.
2880 (compute_points_to_sets): Call find_escape_constraints and
2881 expand_nonlocal_solutions.
2882 (delete_points_to_sets): Don't fall off the end of the graph.
2883 (init_alias_heapvars): Initialize nonlocal_for_type and
2885 (delete_alias_heapvars): Free nonlocal_for_type and null out
2888 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2890 * fold-const.c (add_double): Rename to add_double_with_sign.
2891 Add 'unsigned_p' parameter and take it into account for the overflow.
2892 (mul_double): Rename to mul_double_with_sign.
2893 Add 'unsigned_p' parameter and take it into account for the overflow.
2894 (fold_div_compare): Call add_double_with_sign instead of add_double
2895 and mul_double_with_sign instead of mul_double, passing them the
2896 unsignedness of the type.
2897 * tree.h (add_double): Macroize.
2898 (add_double_with_sign): New prototype.
2899 (mul_double): Macroize.
2900 (mul_double_with_sign): New prototype.
2902 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2904 * config/score/crti.asm: New file.
2905 * config/score/crtn.asm: New file.
2906 * config/score/elf.h: New file.
2907 * config/score/mac.md: New file.
2908 * config/score/misc.md: New file.
2909 * config/score/mul-div.S: New file.
2910 * config/score/predicates.md: New file.
2911 * config/score/score7.md: New file.
2912 * config/score/score.c: New file.
2913 * config/score/score-conv.h: New file.
2914 * config/score/score.h: New file.
2915 * config/score/score.md: New file.
2916 * config/score/score-mdaux.c: New file.
2917 * config/score/score-mdaux.h: New file.
2918 * config/score/score-modes.def: New file.
2919 * config/score/score.opt: New file.
2920 * config/score/score-protos.h: New file.
2921 * config/score/score-version.h: New file.
2922 * config/score/t-score-elf: New file.
2923 * config.gcc: Add score*-*-* configurations(Update before).
2924 * doc/invoke.texi (Score Options): New section.
2925 * doc/md.texi (Score family): New section to document constraints.
2927 2006-10-19 Nick Clifton <nickc@redhat.com>
2929 * config/arm/arm.c: Fix spelling typo.
2931 2006-10-18 Tom Tromey <tromey@redhat.com>
2933 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2935 2006-10-18 Jan Hubicka <jh@suse.cz>
2938 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2941 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2943 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2944 TSI_SAME_STMT, since that's the desired entity.
2946 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2948 * config/s390/contraints.md: New file.
2949 * config/s390/s390-protos.h (s390_mem_constraint,
2950 s390_O_constraint_str, s390_N_constraint_str,
2951 s390_float_const_zero_p): Function prototypes added.
2952 * config/s390/s390.c (s390_extra_constraint_str,
2953 s390_const_double_ok_for_constraint_p,
2954 s390_const_ok_for_constraint_p): Functions removed.
2955 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2956 s390_float_const_zero_p): New functions.
2957 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2958 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2959 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2960 Macro definitions removed.
2961 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2962 s390_extra_constraint_str): Functions removed.
2964 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2965 Richard Sandiford <richard@codesourcery.com>
2968 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2969 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2971 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2973 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2974 (DWARF2_FRAME_REG_OUT): Likewise.
2975 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2976 (DWARF2_FRAME_REG_OUT): Likewise.
2978 2006-10-17 Paul Brook <paul@codesourcery.com>
2980 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2982 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2984 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2985 Standardize on "GNU Fortran" as the official name of the Fortran
2988 2006-10-16 Mike Stump <mrs@apple.com>
2990 * doc/invoke.texi (Darwin Options): Document -mkernel.
2991 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2993 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2994 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2995 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2996 (OS_MISSING_ALTIVEC): Add.
2997 * config/i386/i386.c (override_options): Add
2998 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2999 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3000 -mkernel, -static or -mdynamic-no-pic is given.
3001 (C_COMMON_OVERRIDE_OPTIONS): Add.
3002 * config/darwin.opt (fapple-kext): Add.
3004 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3005 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3007 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3008 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3009 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3010 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3011 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3012 (flag_mkernel): Add.
3013 (flag_apple_kext): Add.
3014 (TARGET_KEXTABI): Add.
3015 * config/darwin.c (darwin_handle_kext_attribute): Add.
3016 (DARWIN_VTABLE_P): Add.
3017 (darwin_binds_local_p): Add partial support for rebinding vtables
3019 (darwin_kextabi_p): Add.
3020 (darwin_override_options): Add.
3021 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3022 (darwin_kextabi_p): Add.
3023 (darwin_override_options): Add.
3024 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3025 __DYNAMIC__ and __STATIC__ here.
3027 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3029 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3030 Added mention of "make pdf" target, and Texinfo requirements for
3033 2006-10-16 DJ Delorie <dj@redhat.com>
3035 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3036 into the GOT in case we need a subreg of the address.
3038 2006-10-16 Richard Guenther <rguenther@suse.de>
3041 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3042 SSE builtin documentation. Document SSE2 builtins.
3044 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3046 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3047 symbol in the output file for non-shared links when -nostdlib or
3048 -nodefaultlibs isn't specified.
3050 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3051 posix thread support.
3053 2006-10-15 Jan Hubicka <jh@suse.cz>
3056 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3057 declared always_inline even when not inlining.
3059 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3060 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3061 Andrew Pinski <pinskia@gmail.com>
3064 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3066 2006-10-15 Jan Hubicka <jh@suse.cz>
3067 Richard Guenther <rguenther@suse.de>
3070 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3071 process_function_and_variable_attributes on all variables, including
3072 those discovered during cgraph construction phase.
3074 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3076 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3078 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3080 * config/i386/athlon.md (athlon_fist): Add fisttp.
3082 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3083 Ian Lance Taylor <ian@airs.com>
3086 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3087 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3090 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3092 * config/score/score.c, config/score/score.h: Fix comment
3095 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3098 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3101 2006-10-13 Eric Christopher <echristo@apple.com>
3103 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3105 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3108 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3109 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3110 alignment supported by 32-bit ELF.
3112 2006-10-13 Eric Christopher <echristo@apple.com>
3114 * config/darwin.c (darwin_emit_unwind_label): Strip
3115 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3117 2006-10-13 Richard Guenther <rguenther@suse.de>
3119 PR tree-optimization/29446
3120 * tree-vrp.c (fix_equivalence_set): Remove.
3121 (extract_range_from_assert): Do not call fix_equivalence_set.
3122 (debug_value_range): Print a newline.
3123 (compare_name_with_value): For equivalence sets with
3124 inconsistent value ranges conservatively bail out.
3125 (compare_names): Likewise.
3127 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3129 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3130 and MPFR for gfortran.
3132 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3134 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3135 alignment supported by 32-bit ELF.
3137 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3141 * c-typeck.c (digest_init): Always allow initializing vectors
3142 that have static storage duration with compound literals.
3143 * tree.c (build_type_attribute_qual_variant): New, based on
3144 build_type_attribute_variant.
3145 (build_type_attribute_variant): Rewrite using the former.
3146 (make_vector_type): Use build_type_attribute_qual_variant to build
3147 type variants. Use type_hash_canon on the others.
3149 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3150 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3152 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3154 2006-10-12 Jan Hubicka <jh@suse.cz>
3157 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3158 current_function_decl is set but current_function_scope is not.
3160 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3162 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3163 emit_insn to emit eh_return_internal instruction.
3164 (eh_return_internal): Explicitly set pc.
3166 2006-10-11 Richard Guenther <rguenther@suse.de>
3168 PR tree-optimization/28230
3169 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3170 to the correct place.
3172 2006-10-11 Richard Guenther <rguenther@suse.de>
3175 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3178 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3180 * configure.ac: Added pdf to "Make-hooks"
3181 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3182 targets and *.pdf file patterns in cleanup targets.
3183 * configure: Regenerated.
3185 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3187 * config/avr/predicates.md: New file.
3188 * config/avr/avr.md: Include it.
3189 (REG_SP): New constant.
3190 (peepholes): Use predicates.
3191 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3192 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3193 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3195 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3197 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3200 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3203 * builtins.c (var_decl_component_p): New function.
3204 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3205 single entry optimization to variables and components thereof.
3207 2006-10-10 Richard Guenther <rguenther@suse.de>
3209 PR rtl-optimization/29323
3210 * except.c (set_nothrow_function_flags): For functions
3211 that do not bind local bail out early.
3213 2006-10-10 Ben Elliston <bje@au.ibm.com>
3215 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3218 2006-10-09 Richard Henderson <rth@redhat.com>
3220 Revert emutls patch.
3222 2006-10-09 Richard Guenther <rguenther@suse.de>
3225 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3228 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3231 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3232 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3233 * configure: Regenerate.
3234 * config.in: Regenerate.
3236 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3238 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3240 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3242 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3243 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3244 Remove stray newline.
3246 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3248 * config/mips/mips.c (mips_classify_symbol): Do not return
3249 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3250 (mips_in_small_data_p): Tweak comments.
3252 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3254 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3256 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3258 * gimplify.c, sched-int.h: Fix comment typos.
3260 * sched-int.h: Fix comment typos.
3262 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3264 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3266 * sched-ebb.c (begin_schedule_ready): Use them.
3267 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3268 add_to_speculative_block, create_check_block_twin, speculate_insn,
3269 fix_jump_move, move_block_after_check): Ditto.
3270 * sched-rgn.c (new_ready): Ditto.
3272 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3274 PR rtl-optimization/29128
3275 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3276 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3277 allow interblock movement of speculation checks.
3279 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3282 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3283 casted to integer type.
3284 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3285 if they are significantly more expensive than [reg + index] ones.
3287 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3289 PR tree-optimization/29330
3290 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3291 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3292 on newly allocated ddrs.
3293 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3294 to VEC (loop_p, heap) pointer.
3295 (compute_data_dependences_for_loop): Adjust caller.
3296 (free_dependence_relations): Free DDR_LOOP_NEST.
3298 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3299 free DEPENDENCE_RELATIONS and DATAREFS.
3302 * builtins.c (expand_builtin_sync_operation,
3303 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3304 Use convert_to_mode to handle promoted arguments.
3306 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3308 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3310 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3312 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3314 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3316 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3317 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3318 Use <modeconstraint> instead of "r" as operand 1 constraint.
3320 2006-10-06 Olivier Hainque <hainque@adacore.com>
3322 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3323 Don't recurse on the pointed-to type.
3324 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3325 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3326 types with components of variable size.
3328 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3330 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3332 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3334 PR tree-optimization/29290
3335 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3339 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3340 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3343 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3344 the number of vector elements fill the rest with zeros.
3346 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3348 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3349 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3352 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3354 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3355 unnamed pattern into subsi3. Use correct constraints/predicates.
3356 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3357 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3359 2006-10-05 Ira Rosen <irar@il.ibm.com>
3361 * doc/loop.texi: Add data references analysis description.
3363 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3365 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3367 2006-10-04 Richard Henderson <rth@redhat.com>
3368 Jakub Jelinek <jakub@redhat.com>
3370 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3371 * builtin-types.def (BT_WORD): Make unsigned.
3372 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3373 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3374 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3375 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3376 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3377 * cgraph.c (decide_is_variable_needed): Look at force_output.
3378 Recurse for emulated tls.
3379 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3380 checks redundant with decide_is_variable_needed.
3381 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3382 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3384 * expr.c (emutls_var_address): New.
3385 (expand_expr_real_1): Expand emulated tls.
3386 (expand_expr_addr_expr_1): Likewise.
3387 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3388 * output.h (emutls_finish): Declare.
3389 * toplev.c (compile_file): Call it.
3390 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3391 address before wrapping in CONST.
3392 * varasm.c (emutls_htab, emutls_object_type): New.
3393 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3394 (get_emutls_object_name, get_emutls_object_type): New.
3395 (get_emutls_init_templ_addr, emutls_decl): New.
3396 (emutls_common_1, emutls_finish): New.
3397 (assemble_variable): When emulating tls, swap decls; generate
3398 constructor for the emutls objects.
3399 (do_assemble_alias): When emulating tls, swap decl and target name.
3400 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3402 * emutls.c: New file.
3403 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3404 tls_object for real tls.
3406 2006-10-04 Zack Weinberg <zackw@panix.com>
3408 Fix bug in constraint-check generator, reported by Rask Ingemann
3410 * genpreds.c (add_constraint): Don't remove anything from the
3412 (write_tm_constrs_h): Detect whether "op" argument is used, and
3413 mark it ARG_UNUSED if it isn't.
3414 (write_insn_const_int_ok_for_constraint): Skip the part of the
3415 expression that would test whether "op" (which is not available
3416 here) is a CONST_INT.
3418 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3421 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3423 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3425 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3426 current Leopard versions.
3427 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3429 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3431 * doc/install.texi: Fix typos.
3433 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3435 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3436 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3437 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3439 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3441 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3442 arg to be struct mach_header_64* instead.
3444 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3447 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3448 side effects after the outer expression's post side effects.
3450 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3452 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3453 comments to reflect actual behavior and relationship between
3454 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3456 * doc/c-tree.texi (Working with declarations): Fix documentation
3457 of FIELD_DECL likewise.
3459 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3462 * doc/extend.texi: Add used variable attribute description.
3464 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3467 * c.opt (Woverride-init): New.
3468 * c-opts.c (c_common_post_options): Default warn_override_init to
3470 * c-typeck.c (add_pending_init, output_init_element): Warn for
3471 overriding initializers without side effects.
3472 * doc/invoke.texi (-Woverride-init): Document.
3475 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3477 PR rtl-optimization/28096
3478 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3479 assignment has already been used as a destination earlier in the block.
3481 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3483 * builtins.c (expand_builtin_setjmp): Delete.
3484 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3485 <BUILT_IN_SETJMP_SETUP>: New case.
3486 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3487 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3488 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3489 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3490 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3491 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3492 (lower_function_body): Initialize it to false. If it is set to true
3493 at the end of the processing, emit the setjmp dispatcher.
3494 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3495 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3496 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3497 on the rhs of the assignment.
3498 (lower_builtin_setjmp): New function.
3499 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3500 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3501 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3502 to detect calls that can go to non-local labels. Use specific
3503 helper to create the abnormal edges associated with them.
3504 <MODIFY_EXPR>: Likewise.
3505 (make_abnormal_goto_edges): New function extracted from...
3506 (make_goto_expr_edges): ...here. Call it for computed gotos.
3507 (simple_goto_p): Minor tweak.
3508 (tree_can_make_abnormal_goto): New predicate.
3509 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3510 (tree_purge_dead_abnormal_call_edges): New function.
3511 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3512 (tree_purge_dead_abnormal_call_edges): Likewise.
3513 (make_abnormal_goto_edges): Likewise.
3514 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3515 Purge all dead abnormal edges if the call was in the last statement.
3516 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3517 (execute_fixup_cfg): If there are non-local labels in the function,
3518 scan the basic blocks and split them at calls that can go to non-local
3519 labels or add missing abnormal call edges. Write down the CFG in the
3521 (pass_fixup_cfg): Remove TODO_dump_func flag.
3522 * unwind-sjlj.c: Poison setjmp.
3523 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3524 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3525 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3526 (DONT_USE_BUILTIN_SETJMP): Document it.
3528 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3531 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3532 to 1 when __ppc64__ is defined.
3533 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3535 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3537 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3539 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3540 * config/ia64/unwind-hpux.c: Delete.
3542 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3544 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3545 on the element before gimplifying it, instead of punting if it is of
3548 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3550 * doc/loop.texi: New file.
3551 * doc/gccint.texi: Reference loop.texi.
3552 * Makefile.in (loop.texi): Add.
3554 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3556 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3558 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3559 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3561 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3563 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3565 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3567 * doc/install.texi: Document required versions of GMP and MPFR.
3569 2006-09-27 Paul Brook <paul@codesourcery.com>
3572 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3574 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3576 * reload1.c (alter_reg): Require the alignment of the stack slot to
3577 be at least reg_max_ref_width bytes.
3578 (scan_paradoxical_subregs): Record the largest width in
3581 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3585 * tree-nested.c (struct nesting_info): Added static_chain_added.
3586 (convert_call_expr): Set static_chain_added when adding static
3587 chain. Handle OMP_PARALLEL and OMP_SECTION.
3589 2006-09-25 Matthias Klose <doko@debian.org>
3591 * doc/invoke.texi: Add missing full stop.
3593 2006-09-25 Richard Henderson <rth@redhat.com>
3595 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3596 before cgraph_function_flags_ready.
3598 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3599 Adam Nemet <anemet@caviumnetworks.com>
3601 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3602 determine_common_wider_type): New functions.
3603 (get_computation_aff): Use them to simplify arithmetic between
3604 UBASE and CBASE if they are shortened from the same type.
3606 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3609 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3610 -2147483647 - 1 instead of 0x80000000.
3612 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3614 * flags.h (HONOR_NANS): Fix typo in comment.
3616 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3618 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3620 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3624 * tree.c (merge_attributes, attribute_list_contained): If both
3625 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3627 * c-typeck.c (comptypes_internal): Don't consider aggregates
3628 in different TUs as compatible if there one set of attributes is
3629 not a subset of the other type's attributes.
3630 (composite_type): Try harder not to create a new aggregate type.
3632 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3634 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3635 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3636 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3637 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3638 than replicating condition above.
3639 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3641 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3642 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3643 the linker by default.
3645 2006-09-22 Mike Stump <mrs@apple.com>
3647 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3650 2006-09-22 Richard Guenther <rguenther@suse.de>
3653 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3654 sort of stack variables stable.
3656 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3659 * explow.c (force_reg): Set REG_POINTER flag according to
3662 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3664 PR tree-optimization/28888
3665 * tree-if-conv.c (combine_blocks): Rewritten.
3666 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3667 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3669 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3671 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3674 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3676 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3678 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3680 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3682 2006-09-21 Roger Sayle <roger@eyesopen.com>
3685 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3686 dw_fde_current_label, to be the start of the function, i.e. the same
3687 value as dw_fde_begin.
3689 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3691 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3692 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3693 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3694 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3695 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3696 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3697 (abs<mode>2, neg<mode>2): Likewise.
3698 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3699 (*mips_abs_ps): New define_insn.
3701 2006-09-20 Josh Conner <jconner@apple.com>
3704 * calls.c (expand_call): Allow reuse of structure return stack
3707 2006-09-20 Paul Brook <paul@codesourcery.com>
3709 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3712 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3714 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3715 clean up terminology.
3717 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3720 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3721 with tablejumps in them.
3723 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3726 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3727 wrap it into TARGET_EXPR.
3729 2006-09-20 Eric Christopher <echristo@apple.com>
3731 * config/i386/i386.c (x86_fisttp): Remove.
3732 * config/i386/i386.h (x86_fisttp): Ditto.
3733 (TARGET_FISTTP): Ditto.
3735 2006-09-19 Eric Christopher <echristo@apple.com>
3737 * doc/tm.texi (OBJC_JBLEN): Describe.
3738 * config/i386/darwin.h (OBJC_JBLEN): Define.
3739 * config/rs6000/darwin.h: Ditto.
3741 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3743 PR rtl-optimization/21299
3744 * reload1.c (reload): Purge invalid ASMs in the final pass.
3746 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3749 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3750 pointers as legitimate constants.
3752 2006-09-19 Paul Brook <paul@codesourcery.com>
3755 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3757 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3759 PR tree-optimization/28887
3760 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3761 component parts from the reference.
3762 (gather_memory_references_ref): Record the reference without the
3763 nonaddressable component parts.
3765 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3768 * c-opts.c (c_common_handle_option): Ignore the -std options
3769 if the input language is assembly.
3771 2006-09-17 Ira Rosen <irar@il.ibm.com>
3774 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3776 (ptr_ptr_may_alias_p): Likewise.
3777 (record_record_differ_p): New function.
3778 (base_object_differ_p): Call record_record_differ_p.
3780 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3783 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3784 away for the expr argument.
3786 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3789 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3790 before using it for dumping after vectorizing loops.
3792 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3793 Jack Howarth <howarth@bromo.med.uc.edu>
3796 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3797 skip on error_mark_node.
3798 (rs6000_darwin64_record_arg_recurse): Likewise.
3800 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3802 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3803 * doc/rtl.texi: Remove related documentation.
3805 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3807 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3810 2006-09-15 Jim Wilson <wilson@specifix.com>
3812 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3813 Handle symbol offsets same as they are handled in ia64_expand_move
3816 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3818 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3819 Add forgotten parameter to the fprintf call.
3821 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3823 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3825 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3827 * doc/contrib.texi: Add my entry.
3829 2006-09-15 Nick Clifton <nickc@redhat.com>
3831 * doc/md.texi (Processor pipeline description): Fix typo in
3832 example of how to use the absence_set directive and reword the
3833 description to make it slightly easier to read.
3835 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3837 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3838 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3839 expanding the number of iterations.
3840 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3842 * cfgrtl.c (emit_insn_at_entry): New function.
3843 * rtl.h (emit_insn_at_entry): Declare it.
3844 * integrate.c (emit_initial_value_sets): Use it.
3846 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3848 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3850 (struct loop_work and related VEC declarations): Delete.
3851 (bfin_dump_loops): Print out new member bad.
3852 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3853 (bfin_scan_loop): Don't recurse.
3854 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3855 loops. No longer need to update outer loops if the current one is
3856 found bad. Move some validitiy checks to bfin_discover_loop.
3857 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3858 but changed not to check for nesting. Also changed to use the new bad
3860 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3861 time. Use bitmap based test to discover loop nesting.
3863 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3865 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3868 2006-09-14 Richard Guenther <rguenther@suse.de>
3869 Kazu Hirata <kazu@codesourcery.com>
3871 PR middle-end/28884.
3872 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3873 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3874 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3875 with TARGET_FUNCTION_VALUE.
3877 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3880 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3882 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3884 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3887 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3890 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3893 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3895 * basic_block.h (bb_has_eh_pred): Fix comment.
3897 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3899 * flow.c (calculate_global_regs_live): Invalidate eh registers
3900 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3901 (propagate_block): Handle eh registers as if they were set at basic
3903 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3905 * global.c (global_conflicts): Make eh registers to conflict with
3906 pseudos live at basic block begin.
3907 * basic_block.h (bb_has_eh_pred): New function.
3909 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3911 PR rtl-optimization/28982
3912 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3913 index of a PRE_MODIFY or POST_MODIFY address.
3914 * reload1.c (inc_for_reload): Use find_replacement on the original
3915 base and index registers.
3917 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3919 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3920 for -Os. Update __m128 alignment requirement.
3922 2006-09-13 Jan Hubicka <jh@suse.cz>
3924 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3926 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3928 PR rtl-optimization/28243
3929 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3930 the insn to which the note was originally attached.
3932 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3933 Roger Sayle <roger@eyesopen.com>
3935 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3936 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3937 on platforms that don't use dwarf for debug info.
3939 2006-09-12 Jason Merrill <jason@redhat.com>
3942 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3943 hard_frame_pointer_rtx after using it to update the frame pointer.
3945 2006-09-12 Roger Sayle <roger@eyesopen.com>
3947 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3948 (TARGET_ASM_CLOSE_PAREN): Likewise.
3949 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3950 (TARGET_ASM_CLOSE_PAREN): Likewise.
3952 2006-09-12 Roger Sayle <roger@eyesopen.com>
3955 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3956 frame information for frames larger than 512 Kbytes on Tru64 when
3957 using the native assembler.
3959 2006-09-12 Roger Sayle <roger@eyesopen.com>
3963 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3964 and symbols. Instead use the implementation from cse.c's hash_rtx.
3966 2006-09-12 Jan Hubicka <jh@suse.cz>
3968 PR rtl-optimization/28071
3969 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3970 (vect_transform_loop): Likewise.
3971 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3972 (new_loop_vec_info): Likewise.
3973 (destroy_loop_vec_info): Likewise.
3974 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3975 (create_stmt_ann): Likewise.
3976 (create_tree_ann): Rename to ...
3977 (create_tree_common_ann): ... this one; allocate only the common part
3979 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3980 (get_value_handle): Likewise.
3981 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3982 get_tree_common_ann.
3983 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3984 (vinfo_for_stmt): Use stmt annotations.
3985 * tree-flow.h (tree_ann_common_t): New type.
3986 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3987 (tree_ann, get_tree_ann, create_tree_ann): New.
3988 * tree-flow-inline.h (get_function_ann): Do more type checking.
3989 (stmt_ann): Likewise.
3990 (tree_ann): Rename to ...
3991 (tree_common_ann): ... this one; return ony common_ann
3992 (get_tree_ann): Rename to ...
3993 (tree_common_ann): This one; return only common_ann.
3994 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3997 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3999 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4000 with_cpu by default.
4002 * dwarf2out.c (dwarf_file_data): New.
4003 (enum dw_val_class): Add dw_val_class_file.
4004 (struct dw_val_struct): Add val_file.
4005 (file_table): Change to a hash table.
4006 (file_table_emitted): Delete.
4007 (file_table_last_lookup_index): Delete.
4008 (emitcount): Delete.
4009 (last_emitted_file): New.
4010 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4011 (init_file_table): Delete.
4012 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4013 (AT_addr): Add comment.
4017 (print_die): Handle dw_val_class_file.
4018 (print_dwarf_line_table): Update for new file table structure.
4019 (attr_checksum): Do checksum a filename.
4020 (same_dw_val_p, same_attr_p): Do compare a filename.
4021 (size_of_die): Handle dw_val_class_file.
4022 (value_format): Likewise.
4023 (output_die): Likewise. Also, call maybe_emit_file here.
4024 (struct file_info): Constify filenames. Make file_idx a pointer
4025 to a struct dwarf_file_data.
4026 (struct dir_info): Constify directory names. Remove 'used' field.
4027 (struct file_name_acquire_data): New.
4028 (file_name_acquire): New.
4029 (output_file_names): Modify to handle new file data structures.
4030 (add_src_coords_attributes): Use add_AT_file.
4031 (add_call_src_coords_attributes): Likewise.
4032 (dwarf2out_imported_module_or_decl): Likewise.
4033 (gen_subprogram_die): Modify for new file data structures.
4034 (gen_variable_die): Likewise.
4035 (file_table_eq): New.
4036 (file_table_hash): New.
4037 (file_table_last_lookup): New.
4038 (lookup_filename): Rewrite to handle new file data structures.
4039 (maybe_emit_file): Rewrite to handle new file data structures.
4040 (dwarf2out_source_line): Always call lookup_filename and
4042 (dwarf2out_init): Create file_table here.
4043 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4044 (file_table_relative_p): New.
4045 (dwarf2out_finish): Change detection of relative filenames
4046 to work with new file data structures. Move output_line_info call
4047 after debug_info output.
4049 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4054 * config/i386/i386.c (override_options): Always default to 16
4055 byte stack boundary.
4057 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4060 * var-tracking.c (dump_dataflow_set): Start dumping at
4062 (clobber_variable_part): Kill only the variable part in
4063 registers holding it, leaving other variables alone.
4065 2006-09-11 Josh Triplett <josh@freedesktop.org>
4067 * doc/extend.texi (Other Builtins): Actually use the macro
4068 argument in the documentation example for
4069 __builtin_types_compatible_p.
4071 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4073 PR rtl-optimization/28726
4074 * sched-deps.c (sched_analyze_reg): New function extracted from...
4075 (sched_analyze_1): ...here. Call it to analyze references to
4076 registers. Treat again writes to a stack register as writing to the
4078 (sched_analyze_2): ...and here. Call it to analyze references to
4079 registers. Treat again reads of a stack register as reading the
4082 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4083 David Edelsohn <edelsohn@gnu.org>
4086 * config/rs6000/spe.md (frob_df_di): Remove %H.
4087 (frob_di_df): Remove %H. Change evmergelo to mr.
4088 (frob_di_df_2): Remove %H. Change evldd to two loads.
4090 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4092 * doc/cpp.texi: Fix names of charset options.
4094 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4097 * config/i386/i386.c (override_options): Use 128-bit
4098 stack boundary always for 64bits.
4100 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4102 PR rtl-optimization/28636
4103 * combine.c (force_to_mode): Test for side-effects before
4104 substituting by zero.
4105 (simplify_shift_const): Likewise for zero or other constants.
4107 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4110 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4113 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4116 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4117 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4118 returned by mode_for_size, rather than the mode of src itself,
4119 to choose between 32-bit and 64-bit patterns.
4120 (mips_mem_fits_mode_p): New function.
4121 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4122 that the size of the source matches the size of the destination.
4123 (mov_<store>l, mov_<store>r): Likewise.
4125 2006-09-10 Eric Christopher <echristo@apple.com>
4127 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4130 2006-09-09 Eric Christopher <echristo@apple.com>
4133 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4136 2006-09-09 Roger Sayle <roger@eyesopen.com>
4137 Nicolas Setton <setton@adacore.com>
4139 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4141 2006-09-10 Andreas Schwab <schwab@suse.de>
4143 * config/m68k/m68k.md (bungt_rev): New pattern.
4145 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4146 Dale Johannesen <dalej@apple.com>
4149 * regclass.c (struct reg_pref): Update documentation.
4150 (regclass): Set prefclass to NO_REGS if memory is the best option.
4151 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4153 2006-09-08 Eric Christopher <echristo@apple.com>
4155 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4156 * config/t-slibgcc-darwin: Support x86_64 multilib.
4157 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4158 Return 1 for x86_64-darwin.
4159 * config/i386/t-darwin: Add m64 multilib.
4160 (LIB2_SIDITI_CONV_FUNCS): Use.
4161 (LIB2FUNCS_EXTRA): Ditto.
4162 * config/i386/darwin.h: Support x86_64.
4163 * config/i386/i386.c (override_options): Turn on flag_pic
4164 for x86_64-darwin. Disable flag_omit_pointer.
4165 (get_pc_thunk_name): Assert !TARGET_64BIT.
4166 (legitimate_address_p): Disable machopic addressing for
4168 (legitimize_pic_address): Ditto.
4169 (ix86_expand_move): Ditto.
4170 (ix86_expand_call): Ditto.
4171 (machopic_output_stub): Ditto.
4172 * config/darwin.c (machopic_select_section): Support literal16.
4173 (machopic_select_rtx_section): Ditto.
4174 * config/darwin-sections.def: Ditto.
4175 * config/darwin-64.c: New.
4177 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4180 * c-tree.h (struct c_arg_info): Add pending_sizes.
4181 * c-parser.c (c_parser_parms_declarator,
4182 c_parser_parms_list_declarator): Initialize pending_sizes.
4183 * c-decl.c (get_parm_info): Initialize pending_sizes.
4184 (get_parm_info): Set pending_sizes.
4185 (grokdeclarator): Call put_pending_sizes for parameters for
4186 function definition only.
4188 2006-09-07 Jason Merrill <jason@redhat.com>
4191 * varasm.c (output_constant): Only strip actual no-op conversions.
4194 * config/i386/i386.c (override_options): Use 128-bit
4195 stack boundary if -msse.
4197 2006-09-07 Eric Christopher <echristo@apple.com>
4199 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4201 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4204 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4206 * dwarf2out.c: Remove strange characters from comment above
4207 dwarf2out_frame_debug_expr.
4209 2006-09-07 Eric Christopher <echristo@apple.com>
4211 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4212 * config/darwin.h: ... to here.
4214 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4216 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4218 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4219 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4221 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4222 TARGET_PARTIAL_FLAG_REG_STALL.
4223 (*ashldi3_cconly_rex64): Likewise.
4224 (*ashlsi3_cmp): Likewise.
4225 (*ashlsi3_cconly): Likewise.
4226 (*ashlsi3_cmp_zext): Likewise.
4227 (*ashlhi3_cmp): Likewise.
4228 (*ashlhi3_cconly): Likewise.
4229 (*ashlqi3_cmp): Likewise.
4230 (*ashlqi3_cconly): Likewise.
4231 (*ashrdi3_cmp_rex64): Likewise.
4232 (*ashrdi3_cconly_rex64): Likewise.
4233 (*ashrsi3_cmp): Likewise.
4234 (*ashrsi3_cconly): Likewise.
4235 (*ashrsi3_cmp_zext): Likewise.
4236 (*ashrhi3_cmp): Likewise.
4237 (*ashrhi3_cconly): Likewise.
4238 (*ashrqi3_cmp): Likewise.
4239 (*ashrqi3_cconly): Likewise.
4240 (*lshrdi3_cmp_rex64): Likewise.
4241 (*lshrdi3_cconly_rex64): Likewise.
4242 (*lshrsi3_cmp): Likewise.
4243 (*lshrsi3_cconly): Likewise.
4244 (*lshrsi3_cmp_zext): Likewise.
4245 (*lshrhi3_cmp): Likewise.
4246 (*lshrhi3_cconly): Likewise.
4247 (*lshrqi2_cmp): Likewise.
4248 (*lshrqi2_cconly): Likewise.
4250 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4253 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4254 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4255 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4256 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4257 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4258 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4259 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4260 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4261 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4262 implement only CC setting effects of shift instructions.
4264 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4266 * doc/contrib.texi: Add myself.
4268 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4271 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4272 was set by the user.
4274 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4277 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4278 (divsi_inv_m1): Use them.
4279 (UNSPEC_DIV_INV_TABLE): New constant.
4281 2006-09-06 James E Wilson <wilson@specifix.com>
4284 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4285 then call count_or_remove_death_notes.
4287 2006-09-06 Jason Merrill <jason@redhat.com>
4290 * tree-inline.c (copy_result_decl_to_var): New fn.
4291 (declare_return_variable): Use it. Call declare_inline_vars here.
4292 (expand_call_inline): Not here.
4294 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4296 * doc/contrib.texi: Update my entry.
4298 2006-09-06 Nick Clifton <nickc@redhat.com>
4300 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4302 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4305 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4306 (canonicalize_induction_variables): Likewise.
4307 (tree_unroll_loops_completely): Likewise.
4308 (tree_ssa_prefetch_arrays): Likewise.
4309 (remove_empty_loops): Likewise.
4310 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4311 TODO_cleanup_cfg instead of directly calling
4312 cleanup_tree_cfg_loop.
4313 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4315 (tree_unroll_loops_completely): Likewise.
4316 (remove_empty_loops): Likewise.
4317 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4318 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4319 of tree_ssa_unswitch_loops.
4320 (tree_ssa_loop_ivcanon): Use the return value of
4321 canonicalize_induction_variables.
4322 (tree_ssa_empty_loop): Use the return value of
4324 (tree_complete_unroll): Use the return value of
4325 tree_unroll_loops_completely.
4326 (tree_ssa_loop_prefetch): Use the return value of
4327 tree_ssa_prefetch_arrays.
4328 * passes.c (execute_todo): Before Cleanup CFG, set
4329 updating_used_alone and after cleanup CFG, call
4330 recalculate_used_alone.
4332 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4335 * tree-vect-transform.c (vectorizable_condition): Move the check
4336 for the type after the check for simple condition.
4338 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4339 Kaz Kojima <kkojima@gcc.gnu.org>
4342 * mode-switching.c (optimize_mode_switching): Make the destination
4343 block of an abnormal edge have no anticipatable mode. Don't
4344 insert mode switching code at the end of the source block of
4347 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4349 PR rtl-optimization/26847
4350 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4351 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4352 (simplify_plus_minus): Count n_constants while filling ops. Replace
4353 qsort with insertion sort. Before going through the array to simplify
4354 pairs, sort it. Delay early exit until after the first sort, exiting
4355 only if no swaps occurred. Simplify pairs in reversed order, without
4356 special-casing the first iteration. Pack ops after simplifying pairs.
4358 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4360 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4361 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4362 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4363 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4365 2006-09-05 Richard Guenther <rguenther@suse.de>
4367 PR tree-optimization/28900
4368 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4369 compound conditional before creating COND_EXPR condition.
4371 2006-09-05 Richard Guenther <rguenther@suse.de>
4373 PR tree-optimization/28905
4374 * tree-vrp.c (fix_equivalence_set): Manually implement
4375 !value_ranges_intersect_p to also handle symbolic ranges.
4377 2006-09-05 Richard Guenther <rguenther@suse.de>
4380 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4383 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4385 PR rtl-optimization/27616
4386 * cse.c (table_size): New static variable.
4387 (new_basic_block): Initialize it to 0.
4388 (remove_from_table): Decrement it.
4389 (insert): Increment it.
4390 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4391 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4392 fold_rtx_mem_1 if under the cap.
4393 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4394 the lookup of the equivalent expression and test for equality of the
4395 first operand of the equivalent expression before in turn looking up
4396 an equivalent constant for the second operand.
4398 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4401 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4402 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4403 pointer, instead of assuming it is possible to derive the
4404 correct args size from a call insn.
4406 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4409 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4410 (fold_builtin_mempcpy): Rename to...
4411 (fold_builtin_memory_op): ... this. Optimize one element copy
4413 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4415 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4416 (expand_builtin_memcpy, expand_builtin_mempcpy,
4417 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4418 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4419 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4420 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4422 2006-09-01 DJ Delorie <dj@redhat.com>
4424 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4425 (stzx_16): Likewise.
4426 ("stzx_24_<mode>"): Likewise.
4427 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4428 ("cmp<mode>_op"): New.
4429 (cmp<mode>): Change to expander; just save operands.
4431 (b<code>): Change to expander, emit compare here.
4432 (s<code>_op): Change to use split and expander.
4433 (s<code>_24_op): Likewise.
4434 (s<code>_<mode>): New.
4435 (s<code>_<mode>_24): New.
4436 (movqicc_<code>_<mode): New.
4437 (movhicc_<code>_<mode>): New.
4440 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4441 (m32c_pend_compare): New.
4442 (m32c_unpend_compare): New.
4443 (m32c_expand_scc): New.
4444 (m32c_expand_movcc): Emit the compare also.
4445 * config/m32c/predicates.md (mra_nopp_operand): New.
4447 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4448 Richard Guenther <rguenther@suse.de>
4449 Adam Nemet <anemet@caviumnetworks.com>
4452 * builtins.c (get_pointer_alignment): Handle more forms
4453 of base addresses that can be used to derive more precise
4454 information about alignment.
4456 2006-09-01 Jason Merrill <jason@redhat.com>
4459 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4462 * gimplify.c (voidify_wrapper_expr): Handle null type.
4464 2006-09-01 Josh Conner <jconner@apple.com>
4467 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4468 (execute_return_slot_opt): Use it.
4470 2006-08-31 Josh Conner <jconner@apple.com>
4473 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4474 returning aggregates.
4476 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4478 PR tree-optimization/28839
4479 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4480 blocks in that phi arguments appear.
4482 2006-08-31 Roger Sayle <roger@eyesopen.com>
4485 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4486 NULL, otherwise use an advance_loc4 to adjust relative to the
4488 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4489 (dwarf2out_switch_text_section): Reset the current label to avoid
4490 using advance_loc4 over section boundaries.
4492 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4495 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4496 r12 + SYMBOLIC_CONST.
4498 2006-08-30 Richard Guenther <rguenther@suse.de>
4500 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4502 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4504 PR rtl-optimization/27735
4505 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4506 Add new argument to keep track of whether an irreducible region
4507 was affected. All callers changed.
4508 (fix_irreducible_loops): Removed.
4509 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4510 flags were invalidated.
4512 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4514 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4515 instead of SF operands.
4516 (*fop_df_comm_sse): Likewise.
4517 (*fop_df_comm_i387): Likewise.
4518 (*fop_df_1_mixed): Likewise.
4519 (*fop_df_1_sse): Likewise.
4521 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4522 J"orn Rennecke <joern.rennecke@st.com>
4524 PR tree-optimization/17506
4525 * tree-ssa.c (warn_uninit): If warning about a location outside of
4526 the current function, note where the variable was declared.
4528 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4530 PR tree-optimization/28411
4531 * double-int.c (double_int_div): Use double_int_divmod.
4532 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4533 double_int_mod, double_int_smod, double_int_umod): New functions.
4534 * double-int.h (double_int_divmod, double_int_sdivmod,
4535 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4537 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4539 (get_computation_aff, get_computation_cost_at): Handle double_int
4540 return type of constant_multiple_of.
4542 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4545 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4546 an implicit conversion.
4548 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4550 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4552 2006-08-27 Roger Sayle <roger@eyesopen.com>
4554 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4557 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4559 * config/i386/crtfastmath.c: Fix a comment typo.
4561 2006-08-26 Roger Sayle <roger@eyesopen.com>
4563 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4564 temporary visit flags on CASE_LABEL_EXPRs.
4565 * c-common.c (match_case_to_enum): Add function comment. Avoid
4566 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4567 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4568 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4569 a constant, only warn if that constant value isn't handled.
4571 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4574 * input.h (restore_input_file_stack): Declare.
4575 (INPUT_FILE_STACK_BITS): Define.
4576 * toplev.c (fs_p, input_file_stack_history,
4577 input_file_stack_restored, restore_input_file_stack): New.
4578 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4579 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4580 (pop_srcloc): Don't free old state of stack.
4582 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4585 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4586 (PowerPC Type Attributes): New.
4588 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4590 * config/xtensa/xtensa.c (function_arg_boundary): New.
4591 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4593 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4594 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4596 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4599 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4602 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4604 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4605 (verify_local_live_at_start): Likewise.
4607 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4610 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4611 omp_add_variable): Treat sizes as variable whenever not
4614 2006-08-26 Richard Guenther <rguenther@suse.de>
4617 * fold-const.c (fold_binary): Fold temporary to correct
4618 type before constructing new comparison.
4620 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4623 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4624 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4626 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4629 * c-decl.c (start_function): Don't try to process prototype
4630 information from old declaration that isn't a function.
4632 2006-08-25 Jan Hubicka <jh@suse.cz>
4635 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4637 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4640 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4643 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4645 PR tree-optimization/16876
4646 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4647 exit if PARM doesn't match VALUE.
4649 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4651 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4652 literal_prefix directive.
4653 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4654 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4655 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4657 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4660 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4661 predicate to general_operand. Add 0->y and I->r alternatives.
4663 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4665 * doc/tm.texi: Fix a typo.
4666 * predict.c: Fix comment typos.
4668 2006-08-25 Nick Clifton <nickc@redhat.com>
4670 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4671 assertions of "cpu" and "machine".
4673 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4676 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4677 the access through a base which has an alias set of 0 cannot
4680 2006-08-24 Bill Wendling <wendling@apple.com>
4682 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4684 2006-08-24 Jan Hubicka <jh@suse.cz>
4686 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4688 2006-08-24 Jan Hubicka <jh@suse.cz>
4691 * cgraph.c: Fix comments.
4692 (cgraph_varpool_mark_needed_node): Mark only variables not already
4694 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4695 (cgraph_varpool_assembled_nodes_queue): New static variable.
4696 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4697 (cgraph_varpool_output_debug_info): New function.
4698 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4699 * Makefile.in: Add gt-cgraphunit.h
4701 2006-08-24 Jan Hubicka <jh@suse.cz>
4703 * predict.c (probability_reliable_p): New predicate.
4704 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4705 (predict_loops): Do not predict loop exit with less than 2%
4707 * basic-block.h (edge_probability_reliable_p,
4708 br_prob_note_reliable_p): Declare.
4709 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4710 prediction when static predictor is not reliable.
4711 * rs6000.c (output_cbranch): Likewise.
4713 2006-08-23 Stuart Hastings <stuart@apple.com>
4716 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4717 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4719 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4722 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4723 complex values, nor for generic vector values.
4725 2006-08-22 Richard Guenther <rguenther@suse.de>
4728 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4729 parameter. Convert arguments to arithmetic expression to the
4731 (analyze_scalar_evolution_1): Adjust caller.
4733 2006-08-22 Jan Hubicka <jh@suse.cz>
4735 Patch by Paolo Bonzini
4736 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4739 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4741 PR tree-optimization/28003
4742 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4743 before grouping aliases.
4745 2006-08-22 Roger Sayle <roger@eyesopen.com>
4747 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4748 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4750 2006-08-21 Jason Merrill <jason@redhat.com>
4753 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4754 wrapper. Loop to handle nested wrappers.
4755 (gimplify_bind_expr): Remove temp parameter.
4756 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4757 and STATEMENT_LIST on the rhs.
4758 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4759 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4760 (gimplify_target_expr): Remove special BIND_EXPR handling.
4762 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4764 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4767 2006-08-21 Olivier Hainque <hainque@adacore.com>
4769 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4770 Arrange for the temporary captures of components overlapping the lhs
4771 to happen before the lhs is possibly cleared.
4773 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4775 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4776 necessary places to pass the correct "number of registers" values
4779 2006-08-20 Jan Hubicka <jh@suse.cz>
4781 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4782 (create_name_tags): Instead of quadratic checking use hashtable.
4783 * bitmap.h: Include hashtab.h.
4784 (bitmap_hash): Declare.
4785 * bitmap.c (bitmap_hash): New function.
4787 2006-08-20 Jan Hubicka <jh@suse.cz>
4789 PR rtl-optimization/28071
4790 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4792 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4793 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4794 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4795 cgraph_decide_inlining_incrementally): Update use of
4796 cgraph_check_inline_limits.
4797 * cgraph.c (edge_hash, edge_eq): New function.
4798 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4799 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4800 cgraph_remove_node): Maintain call site hash.
4801 * cgraph.h (struct cgraph_node): Add call_site_hash.
4802 (cgraph_set_call_stmt): New function.
4804 2006-08-20 Jan Hubicka <jh@suse.cz>
4806 PR rtl-optimization/28071
4807 * reload1.c (reg_has_output_reload): Turn into regset.
4808 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4809 choose_reload_regs, emit_reload_insns): Update to new
4810 reg_has_output_reload.
4812 2006-08-20 Jan Hubicka <jh@suse.cz>
4815 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4816 function body sizes.
4817 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4819 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4822 * tree.c (handle_dll_attribute): Return early if not a
4823 var or function decl.
4825 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4828 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4829 alignment of SPE vector types.
4831 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4833 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4835 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4838 * cgraph.h (struct cgraph_node): Remove externally_visible
4840 * cgraphunit.c (process_function_and_variable_attributes): Set
4841 local.externally_visible rather than externally_visible.
4844 * c-common.c (handle_externally_visible_attribute): First look
4845 at TREE_CODE and only if it is function or var decl, check for
4846 non-public objects. Don't warn for DECL_EXTERNAL.
4847 * cgraphunit.c (process_function_and_variable_attributes): Warn
4848 if externally_visible attribute is used on non-public object.
4850 2006-08-17 Jan Hubicka <jh@suse.cz>
4852 PR tree-optimization/27865
4853 * reload1.c (forget_marked_reloads): New function.
4854 (forget_old_reloads_1): When data are passed, just mark the registers
4856 (reload_as_needed): Use the new mechanizm.
4858 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4861 * reload.h (reg_equiv_alt_mem_list): New declaration.
4862 * reload1.c (reg_equiv_alt_mem_list): New definition.
4863 (reload): Initialize it and release it.
4864 (delete_output_reload): Use it.
4865 * reload.c (push_reg_equiv_alt_mem): New function.
4866 (find_reloads_toplev): Call it.
4867 (find_reloads_address, find_reloads_address_1): Likewise.
4868 (find_reloads_subreg_address): Likewise.
4870 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4872 PR rtl-optimization/28489
4873 * sched-ebb.c (begin_schedule_ready): Create basic block
4875 (advance_target_bb): Skip empty blocks.
4876 * haifa-sched.c (bb_note): Make global.
4877 * sched-int.h (bb_note): Add prototype.
4879 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4881 PR tree-optimization/27865
4882 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4884 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4885 fold_used_pointer, pointer_used_p): New functions.
4886 (analyze_scalar_evolution_1): Use fold_used_pointer.
4887 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4888 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4891 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4894 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4895 or the INTEGER_CST. Fail on a CALL_EXPR.
4896 (fold_offsetof): Pass new argument to fold_offsetof_1.
4897 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4898 operand into an INDIRECT_REF.
4899 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4901 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4903 PR gcov/profile/26570
4904 * value-prof.c (static_values): Removed.
4905 (tree_find_values_to_profile): Do not set static_values.
4906 (find_values_to_profile): Do not free static_values.
4907 * profile.c (instrument_values): Do not free the values.
4908 (branch_prob): Free the values.
4910 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4912 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4914 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4917 * c-typeck.c (build_component_ref): Combine qualifiers of
4918 structure or union and field.
4920 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4922 PR rtl-optimization/28071
4923 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4924 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4925 * tree-into-ssa.c (struct dom_dfsnum): New.
4926 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4928 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4929 compute_global_livein.
4930 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4931 in phi nodes in the correct blocks.
4933 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4935 PR tree-optimization/28364
4936 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4938 (fold_affine_expr): New function.
4939 (may_eliminate_iv): Use fold_affine_expr.
4941 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4944 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4947 2006-08-16 Mike Stump <mrs@apple.com>
4949 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4950 * doc/cppopts.texi (-MD): Likewise.
4952 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4955 * c-common.c (handle_weak_attribute): Ignore and warn if
4956 not a FUNCTION_ or VAR_DECL.
4958 2006-07-15 Mike Stump <mrs@apple.com>
4961 * c-parser.c (c_parser_typeof_specifier): Don't use
4962 c_finish_expr_stmt, open code desired semantics instead.
4964 2006-08-15 Nick Clifton <nickc@redhat.com>
4966 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4967 fragment to tmake_file only if threads are enabled.
4968 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4969 * config/i386/t-gthr-win32: New file. ... here.
4971 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4974 * c-parser.c (c_parser_compound_statement_nostart): Reset
4975 parser->error after each statement.
4977 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4980 * omp-low.c (lower_omp_parallel): Convert t to
4981 receiver_decl's type.
4982 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4983 source before comparison.
4986 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4987 to itype in assignment to oldival2.
4989 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4993 * c-typeck.c (build_compound_expr): If the second expression
4994 is an error mark, then just return an error mark instead of
4995 creating a COMPOUND_EXPR.
4997 2006-07-14 Mike Stump <mrs@apple.com>
4999 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5001 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5003 * c-decl.c, var-tracking.c: Fix comment typos.
5005 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5007 PR rtl-optimization/28634
5008 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5009 for floating-point modes unless flag_unsafe_math_optimizations.
5011 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5012 Andrew Pinski <pinskia@physics.uc.edu>
5015 * tree.c (build_array_type): Unify array types with
5016 unspecified index_type.
5017 * c-decl.c (grokdeclarator): Make sure we do not modify a
5018 unified incomplete array type.
5019 * c-typeck.c (store_init_value): Create distinct type before
5020 filling in the index type in an initializer from a compound
5023 * c-decl.c (grokdeclarator): Remove code where we copy the
5026 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5028 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5029 into account for TODO_dump_cgraph.
5030 (TODO_update_ssa_no_phi): Likewise.
5031 (TODO_update_ssa_full_phi): Likewise.
5032 (TODO_update_ssa_only_virtuals): Likewise.
5033 (TODO_remove_unused_locals): Likewise.
5034 (TODO_set_props): Likewise.
5035 (TODO_update_stmt_usage): Likewise.
5037 2006-08-13 Dirk Mueller <dmueller@suse.de>
5039 * c-common.c (strict_aliasing_warning): Fix formatting.
5041 2006-08-13 Matthias Klose <doko@debian.org>
5043 * doc/invoke.texi: Fix spelling errors.
5045 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5047 PR rtl-optimization/23454
5048 * reorg.c (relax_delay_slots): Update comment.
5050 2006-08-11 Richard Guenther <rguenther@suse.de>
5053 * simplify-rtx.c (simplify_const_relational_operation):
5054 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5057 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5059 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5060 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5062 2006-08-10 Paul Brook <paul@codesourcery.com>
5064 * final.c (final_scan_insn): Clear current_insn_predicate before
5065 outputting inline asm.
5067 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5069 PR tree-optimization/26197
5070 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5071 get_ref_base_and_extent and overlap_subvar to add only relevant
5072 subvars as may-aliases.
5073 (add_may_alias_for_new_tag): New function, factored out of
5075 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5076 with additional argument.
5077 * tree-flow.h (new_type_alias): Takes additional argument.
5079 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5081 * gcov.c (no_data_file): New flag.
5082 (read_count_file): Set it if data file not present. Assume counts
5084 (output_lines): Don't name the data file, if there wasn't one.
5086 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5088 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5089 (rs6000_generate_compare): Tweak comments.
5090 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5092 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5094 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5095 (var_debug_decl): New function.
5096 (var_reg_set): Follow debug decl link. Add location even if
5097 reg is already known to hold some other variable.
5098 (var_mem_set): Follow debug decl link.
5099 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5100 decl link. Delete other known locations of the variable part
5102 (var_reg_delete, var_mem_delete): Delete other known locations
5103 of the variable part if requested.
5104 (same_variable_part_p): New function.
5105 (add_stores): Select MO_COPY when appropriate.
5106 (vt_initialize): Handle it.
5107 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5108 known locations for MO_SET and MO_CLOBBER.
5109 (find_variable_location_part): New function.
5110 (set_variable_part, delete_variable_part): Use it.
5111 (clobber_variable_part): New function.
5112 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5115 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5117 PR tree-optimization/26969
5118 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5119 with an empty list of PHIs.
5121 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5125 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5128 2006-08-06 Andreas Schwab <schwab@suse.de>
5130 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5131 string. Whitespace and comment fixup.
5133 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5136 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5140 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5143 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5145 2006-08-04 Jan Hubicka <jh@suse.cz>
5149 * reload.c (push_reload): Patch out the mismatching instruction;
5151 (find_reload): Bail out if the instruction was patched out.
5153 2006-08-04 Jan Hubicka <jh@suse.cz>
5155 PR tree-optimization/24888
5156 * tree-inline.c (expand_call_inline): Do not re-record variables.
5157 (declare_inline_vars): Add variable to unexpanded_var_list.
5159 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5160 Roger Sayle <roger@eyesopen.com>
5162 PR rtl-optimization/26244
5163 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5164 inner_const are negative or greater than or equal to the bitsize of
5165 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5166 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5167 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5168 CONST0_RTX (mode) when the new shift count is greater than or equal to
5169 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5172 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5174 * tree-cfg.c: Fix a comment typo.
5176 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5179 * varasm.c (output_constant): Give the front end another chance to
5180 expand constants, after stripping NOPs.
5182 2006-08-03 Jan Hubicka <jh@suse.cz>
5184 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5187 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5189 PR tree-optimization/27770
5190 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5191 declaration removed (moved to tree-flow.h).
5192 (vect_can_force_dr_alignment_p): Likewise.
5193 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5194 (moved from tree-vectorizer.h).
5195 (vect_can_force_dr_alignment_p): Likewise.
5196 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5197 from outside the vectorizer - in particular from cgraph stage.
5198 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5199 the alignment of global arrays when -fsection-anchors is enabled.
5200 * cgraphunit.c (cgraph_increase_alignment): New function.
5201 (cgraph_optimize): Call cgraph_increase_alignment.
5203 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5206 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5207 not reload a SPE symbol_ref into a lo_sum address.
5209 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5212 * dwarf2out.c (prune_unused_types_prune): Move call to
5213 prune_unused_types_update_strings to cover the parent DIE also.
5215 2006-08-02 Jan Hubicka <jh@suse.cz>
5217 PR gcov/profile/28480
5218 * tree-cfg.c (change_bb_for_stmt): New function.
5219 (tree_merge_blocks, tree_split_blocks): Use it.
5221 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5227 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5228 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5229 (cgraph_optimize): Likewise.
5231 2006-08-01 Stuart Hastings <stuart@apple.com>
5233 * rtl.h (UINTVAL) New.
5234 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5235 * testsuite/gcc.dg/20060801-1.c: New.
5237 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5240 * c-typeck.c (build_external_type): Mark used enum types.
5241 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5243 (gen_subprogram_die): Whitespace fix.
5245 2006-08-01 Jan Hubicka <jh@suse.cz>
5247 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5248 bitmap when not needed.
5249 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5252 2006-08-01 Dirk Mueller <dmueller@suse.de>
5254 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5256 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5258 * Makefile.in: Revert part of previous patch:
5259 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5262 2006-07-30 Eric Christopher <echristo@apple.com>
5265 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5266 (PowerPC Variable Attributes): New section.
5268 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5270 PR target/28126 (partial fix)
5271 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5273 2006-07-28 Jan Hubicka <jh@suse.cz>
5275 PR rtl-optimization/28071
5276 * cfgrtl.c (rtl_delete_block): Free regsets.
5277 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5279 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5281 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5282 and variables used in dependencies.
5284 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5286 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5287 %fs for -mcmodel=kernel.
5288 (stack_tls_protect_test_di): Likewise.
5290 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5292 * Makefile.in: Use mkinstalldirs.
5294 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5297 * opts-common.c (prune_options): Skip joined switches.
5299 2006-07-27 Jan Hubicka <jh@suse.cz>
5301 PR rtl-optimization/28071
5302 * cselib.c (cselib_process_insn): Don't remove useless values too
5303 often for very large hashtables.
5305 2006-07-27 Jan Hubicka <jh@suse.cz>
5307 PR rtl-optimization/28071
5308 * global.c (greg_obstack): New obstack.
5309 (allocate_bb_info): Use it.
5310 (free_bb_info): Likewise.
5311 (modify_reg_pav): Likewise.
5313 2006-07-27 Roger Sayle <roger@eyesopen.com>
5315 * builtins.c (fold_fixed_mathfn): When long and long long are the
5316 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5317 functions to their lceil*, lfloor*, lround* and lrint* forms.
5319 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5322 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5324 (rev_branch_insn): Likewise.
5326 2006-07-27 Jan Hubicka <jh@suse.cz>
5328 PR rtl-optimization/28071
5329 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5330 (reg_set_in_bb, max_reg_computed): New static variables.
5331 (regmove_optimize): Free the new array.
5332 (fixup_match_1): Update call of reg_is_remote_constant_p.
5334 2006-07-26 Jan Hubicka <jh@suse.cz>
5336 PR tree-optimization/27882
5337 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5339 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5341 (cgraph_analyze_compilation_unit): Likewise.
5342 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5343 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5344 (cgraph_early_inlinine): Make order garbage collected.
5345 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5347 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5349 * dbxout.c (output_types_sort): Add a comment.
5350 (output_used_types): Free the VEC.
5352 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5354 * function.c (reorder_fix_fragments): Delete.
5355 (reorder_blocks): Don't call it.
5356 (reorder_blocks_1): Put all subblocks under the origin block.
5358 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5360 PR rtl-optimization/27907
5361 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5364 2006-07-25 Roger Sayle <roger@eyesopen.com>
5367 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5368 bar(x) check that bar's result type can represent all the values of T.
5370 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5372 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5374 2006-07-25 Nick Clifton <nickc@redhat.com>
5376 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5377 size_lookup[] array.
5378 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5379 (ggc_pch_count_object): Likewise.
5380 (ggc_pch_alloc_object): Likewise.
5381 (ggc_pch_write_object): Likewise.
5382 (init_ggc): Do not attempt to initialize entries in the
5383 size_lookup[] array for objects whose size is greater than than
5384 the length of the array.
5386 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5388 * dbxout.c (output_used_types_helper): Push queued types
5390 (output_types_sort): New.
5391 (output_used_types): Collect used types on a VEC and sort them
5394 2006-07-24 Richard Guenther <rguenther@suse.de>
5397 * cgraph.c (cgraph_remove_node): Do not check if dumps
5399 * cgraphunit.c (cgraph_optimize): Likewise.
5401 2006-07-24 Jan Hubicka <jh@suse.cz>
5403 PR rtl-optimization/28071
5404 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5405 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5406 splitting before first stmt.
5408 2006-07-24 Jan Hubicka <jh@suse.cz>
5410 PR rtl-optimization/28071
5411 * ipa-inline.c (update_caller_keys): Remove edges that
5412 are no longer inline candidates.
5414 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5417 * dbxout.c (output_used_types_helper, output_used_types): New.
5418 (dbxout_symbol): Call output_used_types.
5420 2006-07-23 Jan Hubicka <jh@suse.cz>
5424 * cgraph.c (cgraph_varpool_nodes): Export.
5425 (decide_is_variable_needed): Ignored "used" attribute in
5426 unit-at-a-time mode.
5427 * cgraph.h (cgraph_varpool_nodes): Declare.
5428 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5429 unit-at-a-time mode.
5431 2006-07-23 Roger Sayle <roger@eyesopen.com>
5434 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5435 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5436 the __gthrw form of thr_keycreate.
5437 (__gthread_key_delete): Silence the unused argument warning.
5439 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5442 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5443 Cache the last found '\0' marker to avoid quadratic behavior.
5445 2006-07-23 Jan Hubicka <jh@suse.cz>
5447 * i386.md (subsi_3_zext): Fix output template.
5449 2006-07-21 Mike Stump <mrs@apple.com>
5451 * doc/invoke.texi (C++ Dialect Options): Note that
5452 -fvisibility-inlines-hidden doesn't affect explicitly
5453 instantiationed inline methods.
5455 2006-07-20 Roger Sayle <roger@eyesopen.com>
5457 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5458 if the target assembler is GNU binutils' gas.
5459 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5460 whether to pass GNU gas or native as command line options.
5462 2006-07-20 Jason Merrill <jason@redhat.com>
5464 * tree.c (remove_attribute): New fn.
5465 * tree.h: Declare it.
5467 2006-07-20 Paul Brook <paul@codesourcery.com>
5470 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5471 they are invalidated by this instruction.
5473 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5476 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5478 2006-07-20 Eric Christopher <echristo@apple.com>
5481 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5483 2006-07-19 Eric Christopher <echristo@apple.com>
5485 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5486 Rewrite dependencies for libgcc_s.1.dylib.
5488 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5490 * except.c (duplicate_eh_regions_1): Clear next_peer.
5492 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5494 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5495 -mlongcall does not guarantee all calls will be long.
5496 * doc/extend.texi (long_call/short_call): Document that longcall
5497 does not guarantee a long call will be used.
5498 (longcall/shortcall): Likewise.
5500 2006-07-18 Roger Sayle <roger@eyesopen.com>
5503 * expmed.c (expand_shift): Additionally check that the shift_cost
5504 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5505 before implementing a LSHIFT_EXPR as a sequence of additions.
5506 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5507 middle-end that DImode shifts need to be synthesized by expand.
5509 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5512 * tree-ssa-operands.c (access_can_touch_variable): Update
5514 Return true if ALIAS is .GLOBAL_VAR.
5516 2006-07-18 David Daney <ddaney@avtrex.com>
5518 * gcc.c (display_help): Fix typo in help text.
5520 2006-07-18 Olivier Hainque <hainque@adacore.com>
5522 * tree.h (categorize_ctor_elements): Adjust prototype and add
5523 descriptive comment, both in accordance with the interface change
5525 * varasm.c (constructor_static_from_elts_p): New function.
5526 Whether a constructor node is a valid static constant initializer
5527 if all its elements are.
5528 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5529 * output.h: Declare it.
5530 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5531 is a valid constant initializer instead of computing the number of
5532 non-constant elements. Use constructor_static_from_elts_p for this
5533 purpose. Replace the head comment with an indication that this is a
5534 helper for categorize_ctor_elements.
5535 (categorize_ctor_elements): Same interface change as for the _1
5536 helper. Former head comment from this helper moved here, adjusted to
5537 account for the interface changes.
5538 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5539 (all_zeros_p): Likewise.
5540 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5541 static versions of the constructor from the categorize_ctor_elements
5542 return value instead of the formerly computed number of non-constant
5545 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5547 * configure: Regenerate.
5548 * Makefile.in (build_libsubdir): New configure substitution
5549 (build_libobjdir): New variable.
5550 (BUILD_LIBIBERTY): Use it.
5552 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5555 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5557 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5560 * c-common.c (handle_weakref_attribute): Ignore attribute in
5561 the same conditions the alias attribute is ignored.
5563 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5565 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5566 (dbxout_begin_prologue): Increment scope_labelno.
5568 2006-07-17 Richard Henderson <rth@redhat.com>
5571 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5574 2006-07-17 Roger Sayle <roger@eyesopen.com>
5575 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5577 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5578 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5579 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5580 functions such as sbrk, write, etc.. Add function prototypes.
5581 Convert function declarations from K&R to ISO C. Cast pointers
5582 to "long" and "unsigned long" instead of "int" and "unsigned int".
5583 Convert tokens following #endif into comments.
5585 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5587 * invoke.texi: Remove mention of f77; Reformat table for
5588 inline parameter options correctly; mention that -malign-double
5589 is default on x86-64 targets.
5591 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5593 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5594 (convert_affine_scev, chrec_convert_aggressive): Use
5595 avoid_arithmetics_in_type_p. Do not check for the subtypes
5598 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5601 * optabs.c (expand_doubleword_shift): Wrap the call to
5602 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5604 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5607 * optabs.c (expand_binop): Pass next_methods rather than methods
5608 to expand_doubleword_shift.
5610 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5613 * tree.h (dump_addr): Declare.
5614 * print-tree.c (dump_addr): New function.
5615 (print_node_brief, print_node): Use it.
5616 * print-rtl.c (print_rtx): Likewise.
5617 * common.opt (-fdump-noaddr): New option.
5618 * doc/invoke.texi (-fdump-noaddr): Document.
5619 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5620 (ve_info_hash): Likewise.
5622 2006-07-13 Andrew Haley <aph@redhat.com>
5624 PR tree-optimization/19505
5625 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5626 edge leaving this block, make sure that the destination of this
5627 block has only one predecessor.
5629 2006-07-17 Richard Guenther <rguenther@suse.de>
5631 PR tree-optimization/28238
5632 * tree-inline.c (copy_bb): Check if we produced valid
5633 gimple copying and substituting a stmt. If not, gimplify
5636 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5638 * optabs.c (maybe_encapsulate_block): New function extracted from...
5639 (emit_libcall_block): ...here. Invoke it on the block of insns to
5640 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5641 (emit_no_conflict_block): Likewise.
5643 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5645 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5647 2006-07-15 Roger Sayle <roger@eyesopen.com>
5649 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5650 a new NOP_EXPR case of the switch statement.
5652 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5655 * stor-layout.c (place_field): Take the bit field with
5656 an excessive size into account in the ms-bitfiled case.
5659 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5660 the previous bit field.
5662 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5665 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5667 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5669 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5670 signal frames correctly even when the signal was installed with
5673 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5675 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5676 (dbxout_function_end): Use local label LFBB. Remove hook
5678 (dbxout_source_line): Use local label LFBB.
5679 (dbxout_block): Likewise.
5680 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5681 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5682 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5683 and DBX_OUTPUT_NFUN.
5685 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5687 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5689 2006-07-13 Jan Hubicka <jh@suse.cz>
5691 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5693 * output.h (align_variable): Declare.
5694 * varasm.c (align_variable): Export.
5695 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5696 when basic block changed.
5698 2006-07-13 Nick Clifton <nickc@redhat.com>
5700 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5701 walking the LOG_LINKS chain.
5703 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5705 * doc/invoke.texi (C++ Dialect Options): Explain difference
5706 between -fvisibility-inlines-hidden and setting hidden
5707 visibility explicitly.
5709 2006-07-12 Eric Christopher <echristo@apple.com>
5711 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5712 (stmp-lipo): Depend on libgcc.a.
5714 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5716 * tree.c: Fix a comment typo.
5718 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5720 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5722 (umulhisi3_r): Likewise.
5724 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5727 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5728 x < 19, vs wchar_t support.
5730 2006-07-12 Nick Clifton <nickc@redhat.com>
5732 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5733 instead of -isa=sh4.
5735 2006-07-12 Mike Stump <mrs@apple.com>
5737 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5739 2006-07-10 Eric Christopher <echristo@apple.com>
5741 * config/t-slibgcc-darwin: Rewrite.
5743 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5746 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5749 2006-07-08 Matthias Klose <doko@debian.org>
5751 * doc/sourcebuild.texi: Fix typo.
5753 2006-07-07 Mike Stump <mrs@apple.com>
5755 * toplev.c (process_options): Don't give -ffunction-sections may
5756 affect debugging warning for Mach-O.
5758 2006-07-07 James E Wilson <wilson@specifix.com>
5760 * config/mips/mips.md (cpu): Add sb1a.
5761 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5762 addition to sb1. Adjust comments to clarify SB-1A differences from
5764 (ir_sb1a_load): New. Modify bypasses to use it.
5765 (ir_sb1a_simple_alu): Likewise.
5766 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5767 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5768 (mips_issue_rate): Add PROCESSOR_SB1A.
5769 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5770 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5771 (TARGET_SB1): Add PROCESSOR_SB1A check.
5772 (TUNE_SB1): Likewise.
5774 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5775 * config/mips/mips.c (mips_store_data_bypass_p): New.
5776 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5777 store_data_bypass_p.
5779 2006-07-08 Paul Brook <paul@codesourcery.com>
5782 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5784 2006-07-07 Richard Guenther <rguenther@suse.de>
5787 * tree.h (build_one_cst): Declare.
5788 * tree.c (build_one_cst): New function.
5789 * tree-ssa-math-opts.c (get_constant_one): Remove.
5790 (insert_reciprocals): Use build_one_cst.
5791 * fold-const.c (fold_plusminus_mult): Likewise.
5793 2006-07-07 Roger Sayle <roger@eyesopen.com>
5795 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5796 * cfgloopanal.c (dump_graph): Likewise.
5797 * dojump.c (discard_pending_stack_adjust): Likewise.
5798 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5800 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5801 * function.c (finalize_block_changes): Likewise.
5802 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5803 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5804 * rtl.c (dump_rtx_statistics): Likewise.
5805 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5807 * varray.c (dump_varray_statistics): Likewise.
5808 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5809 decode_decimal64, encode_decimal128, decode_decimal128,
5810 decimal_real_to_decimal): Likewise.
5812 2006-07-07 Richard Guenther <rguenther@suse.de>
5814 PR tree-optimization/28187
5815 * tree-vrp.c (vrp_operand_equal_p): New function.
5816 (vrp_bitmap_equal_p): Likewise.
5817 (update_value_range): Use them to compare old and new
5820 2006-07-06 Roger Sayle <roger@eyesopen.com>
5822 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5823 a default case to switch statement to silence compiler warnings.
5825 2006-07-06 Roger Sayle <roger@eyesopen.com>
5828 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5829 the configured assembler supports the x87's ffreep mnemonic.
5830 * configure: Regenerate.
5831 * config.in: Regenerate.
5833 * config/i386/i386.c (output_387_ffreep): New function.
5834 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5835 (output_387_reg_move): Likewise.
5837 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5839 Port to hosts whose 'sort' and 'tail' implementations
5840 treat operands with leading '+' as file names, as POSIX
5841 has required since 2001. However, make sure the code still
5842 works on pre-POSIX hosts.
5843 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5844 which says you should use "tail -c +N" rather than "tail +Nc".
5845 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5847 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5849 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5852 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5855 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5856 PRE_{INC,DEC} of TFmode.
5858 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5859 Alan Modra <amodra@bigpond.net.au>
5862 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5865 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5868 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5869 Remove duplicate gtu.
5871 2006-07-05 Jason Merrill <jason@redhat.com>
5875 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5876 * c-common.c (handle_packed_attribute): So don't copy it here.
5877 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5879 2006-07-05 Mike Stump <mrs@apple.com>
5881 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5883 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5886 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5888 2006-07-05 Richard Guenther <rguenther@suse.de>
5891 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5892 TARGET_SSE2 targets if using SSE math.
5893 (*absdf2_1): Likewise.
5895 2006-07-05 Richard Guenther <rguenther@suse.de>
5897 PR tree-optimization/28162
5898 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5899 make sure to convert the operands to the correct type.
5901 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5903 PR tree-optimization/28218
5905 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5906 to calculate and free the dominator information.
5908 2006-07-04 Peter O'Gorman <peter@pogma.com>
5910 * mklibgcc.in: chmod 644 before ranlib during install.
5912 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5913 J"orn Rennecke <joern.rennecke@st.com>
5915 * configure.ac (.eh_frame data check): Use diff -b.
5917 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5920 * Makefile.in (BUILD_RTL): Add build/vec.o.
5921 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5922 (build/genextract): Delete.
5923 (build/genautomata): Likewise.
5925 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5928 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5929 128-bit IBM long doubles for ABI_V4.
5931 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5933 * tree.c (range_in_array_bounds_p): New predicate.
5934 * tree.h (range_in_array_bounds_p): Declare it.
5935 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5936 return a less conservative answer.
5937 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5938 and flag 'is_group'.
5939 (IS_ELEMENT_FOR_GROUP): New macro.
5940 (FOR_EACH_ACTUAL_CHILD): Likewise.
5941 (next_child_for_group): New helper function.
5942 (can_completely_scalarize_p): Take into account groups.
5943 (sra_hash_tree): Handle RANGE_EXPR.
5944 (sra_elt_eq): Likewise.
5945 (lookup_element): Be prepared for handling groups.
5946 (is_valid_const_index): Delete.
5947 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5948 instead of is_valid_const_index.
5949 <ARRAY_RANGE_REF>: New case.
5950 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5951 is_valid_const_index.
5952 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5953 (scan_dump): Dump info for groups too.
5954 (decide_instantiation_1): Likewise.
5955 (decide_block_copy): Assert that the element is not a group.
5956 Propagate decision to groups.
5957 (generate_one_element_ref): Handle RANGE_EXPR.
5958 (mark_no_warning): Iterate over actual childs.
5959 (generate_copy_inout): Likewise.
5960 (generate_element_copy): Likewise.
5961 (generate_element_zero): Likewise.
5962 (generate_element_init_1): Likewise.
5963 (dump_sra_elt_name): Handle RANGE_EXPR.
5965 2006-07-03 Roger Sayle <roger@eyesopen.com>
5967 PR tree-optimization/26251
5968 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5969 (thread_block): When optimizing for size refuse to thread jumps
5970 that would require duplication of blocks other than redirection
5973 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5975 * configure.ac: Fix thinko in previous check-in.
5976 * configure: Regenerate.
5978 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5981 * configure.ac (for lang...): Simplify nesting of conditionals.
5982 Test subdir_requires for non-enabled languages. Move processing
5983 of lang_opt_files and lang_tree_fiels below that test.
5984 * configure: Regenerate.
5985 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5987 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5989 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5991 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5993 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5996 2006-06-29 Jason Merrill <jason@redhat.com>
6003 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6004 * c-common.c (c_determine_visibility): Handle it here.
6005 * c-decl.c (finish_decl): Call c_determine_visibility for
6007 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6009 * varasm.c (default_assemble_visibility): Likewise.
6010 * c-common.c (handle_visibility_attribute): Complain about trying
6011 to give visibility to an already defined class, or trying to change
6012 declared visibility. Always attach the attribute.
6017 * attribs.c (decl_attributes): Ignore type-in-place attributes
6018 once the type has been defined.
6020 2006-06-29 Roger Sayle <roger@eyesopen.com>
6023 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6024 to indicate the cpplib has issued an error message for us.
6026 2006-06-29 Asher Langton <langton2@llnl.gov>
6029 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6030 insert a label at the end of an function under Mach-O.
6032 2006-06-29 Eric Christopher <echristo@apple.com>
6033 Evan Cheng <evan.cheng@apple.com>
6035 * predicates.md (vector_all_ones_operand): New.
6036 (nonimmediate_or_sse_const_operand): Ditto.
6037 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6038 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6039 (standard_sse_mode_p): Ditto.
6040 (standard_sse_constant_p): Add case for -1 vector.
6041 (ix86_expand_vector_move): Try to use.
6042 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6043 Call standard_sse_constant_opcode.
6044 (*movv4sf_internal): Ditto.
6045 (*movv2df_internal): Ditto.
6047 2006-06-29 Roger Sayle <roger@eyesopen.com>
6049 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6050 of XEXP to extract the operands of a MATCH_CODE rtx.
6052 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6054 * tree.c (tree_size): Do not waste tail padding in
6055 struct tree_string and make the size be the same as
6056 build_string will generate.
6058 2006-06-28 Jason Merrill <jason@redhat.com>
6061 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6062 may_aliases already in the tag's annotations to the bitmap.
6064 2006-06-28 Roger Sayle <roger@eyesopen.com>
6066 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6068 2006-06-28 Roger Sayle <roger@eyesopen.com>
6070 * genpreds.c (generate_switch_p): New function.
6071 (add_mode_tests): Push the new mode test down inside an AND expr
6072 if this allows the switch-suitable MATCH_CODE to be near the root.
6073 (write_match_code_switch): New function to write a MATCH_CODE as
6075 (write_predicate_stmts): New function to write a predicate RTX
6076 expression as a sequence of statements.
6077 (write_one_predicate_function): Use write_predicate_stmts.
6078 (write_tm_constrs_h): Likewise.
6080 2006-06-26 Fred Fish <fnf@specifix.com>
6082 * config/mips/t-sb1: New file.
6083 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6086 2006-06-26 DJ Delorie <dj@redhat.com>
6088 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6090 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6091 Jayant Sonar <jayants@kpitcummins.com>
6092 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6094 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6095 (subsi3, subsi3_1, subsi3_2): New.
6096 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6097 * config/m32c/mov.md (SI mov peephole): New.
6098 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6099 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6101 2006-06-26 Olivier Hainque <hainque@adacore.com>
6103 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6104 a CALL_EXPR target function declaration.
6106 2006-06-26 Richard Guenther <rguenther@suse.de>
6108 * tree.c (build_string): Do not waste tail padding in
6111 2006-06-26 Richard Guenther <rguenther@suse.de>
6113 * ggc-page.c (init_ggc): Add missing element to size_lookup
6117 2006-06-23 Richard Guenther <rguenther@suse.de>
6119 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6120 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6121 alignment requests instead. Add verification code.
6122 Add struct tree_function_decl and struct tree_binfo size to
6123 extra_order_size_table. Add missing element to size_lookup
6126 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6129 * fold-const.c (const_binop): Be prepared for self returning zero.
6130 Simplify code handling complex values.
6132 2006-06-24 Olivier Hainque <hainque@adacore.com>
6134 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6135 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6138 2006-06-24 Olivier Hainque <hainque@adacore.com>
6140 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6141 ARRAY_REF, so have the callback called for the low bound expression.
6143 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6145 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6146 * c-typeck.c (c_common_type): Disallow operations on decimal float
6147 types and other float types.
6148 * convert.c (convert_to_real): Don't ignore conversions involving
6149 decimal float types.
6151 2006-06-23 Olivier Hainque <hainque@adacore.com>
6153 * tree.c (max_int_size_in_bytes): New function, inspired from
6154 code in function.c:assign_temp.
6155 * tree.h (max_int_size_in_bytes): Declare.
6156 * function.c (assign_temp): Use it.
6157 * gimplify.c (create_tmp_var): Relax the assertions on the type
6158 properties, not mandating constant size any more.
6159 (force_constant_size): New static function.
6160 (gimple_add_tmp_var): Use it, forcing variable size to a
6161 constant upper bound if it is not constant on entry.
6163 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6166 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6167 for initialization and setting of one_only flag to ...
6168 (i386_pe_encode_section_info): ...here.
6169 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6170 Recheck that the symbol has not been defined.
6172 2006-06-23 Richard Guenther <rguenther@suse.de>
6174 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6175 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6176 alignment requests instead. Add verification code.
6177 Add struct tree_function_decl and struct tree_binfo size to
6178 extra_order_size_table. Add missing element to size_lookup
6181 2006-06-22 Roger Sayle <roger@eyesopen.com>
6182 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6185 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6186 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6188 2006-06-23 Ben Elliston <bje@au.ibm.com>
6190 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6191 negate dn -- manipulate it directly.
6193 2006-06-22 Roger Sayle <roger@eyesopen.com>
6194 Steven Bosscher <stevenb.gcc@gmail.com>
6197 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6198 generated by gen_move_insn to add REG_LABEL notes if necessary.
6200 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6202 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6203 (leaf_entry): Remove use of MIN_ESA.
6205 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6207 PR rtl-optimization/28121
6208 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6211 2006-06-21 DJ Delorie <dj@redhat.com>
6213 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6215 (mulhisi3_r): Likewise.
6217 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6220 * coverage.c (coverage_counter_alloc): Leave the index type
6222 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6225 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6227 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6228 section from the "Options for Code Generation Conventions".
6230 2006-06-21 Richard Henderson <rth@redhat.com>
6234 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6236 (global_symbolic_operand): Allow weak symbols, even if local_p.
6238 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6240 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6241 (find_interesting_uses_address): Punt if above function returns true.
6243 2006-06-21 Richard Guenther <rguenther@suse.de>
6245 * configure: Regenerated.
6247 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6249 * config/mips/mips.c (function_arg): Where one part of a
6250 complex argument is in registers and the other part in the stack,
6251 return a REG not a PARALLEL.
6253 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6255 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6256 when cross-compiling. Do not substitute libstdcxx_incdir.
6257 * configure: Regenerated.
6259 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6261 * varasm.c (mergeable_string_section): Check for embedded NULs and
6262 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6263 rather than TREE_STRING_LENGTH bytes.
6265 2006-06-21 Richard Guenther <rguenther@suse.de>
6267 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6268 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6271 2006-06-21 Richrad Guenther <rguenther@suse.de>
6273 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6274 Limit iteration over the dominators.
6276 2006-06-20 Roger Sayle <roger@eyesopen.com>
6278 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6279 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6281 2006-06-20 Richard Guenther <rguenther@suse.de>
6282 Michael Matz <matz@suse.de>
6284 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6286 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6287 * et-forest.h (et_free_pools): Prototype new function.
6288 * et-forest.c (et_free_tree_force): Free parent occurrence.
6289 (et_free_pools): New function.
6290 * dominance.c (free_dominance_info): Free et-forest alloc
6293 2006-06-20 Roger Sayle <roger@eyesopen.com>
6295 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6296 integer modes, attempt to directly construct an integer constant.
6298 * fold-const.c (native_encode_vector): Determine the size of each
6299 element from the vector type instead of the first vector element.
6301 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6302 if all of its elements/components are constant.
6303 (build_constructor_from_list): Likewise.
6305 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6307 PR tree-optimization/27331
6308 * tree-data-ref.c (free_data_ref): New function.
6309 (create_data_ref): Fail if the data reference has unknown access
6311 (free_data_refs): Use free_data_ref.
6313 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6316 * tree-inline.c (setup_one_parameter): Strip useless
6317 type conversion before adding it to the IR.
6318 (declare_return_variable): Likewise.
6320 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6323 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6325 2006-06-19 Mike Stump <mrs@apple.com>
6327 * tree.c (variably_modified_type_p): VM arguments don't make the
6330 2006-06-19 Richard Guenther <rguenther@suse.de>
6332 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6333 type conversions after folding.
6335 2006-06-19 Richard Guenther <rguenther@suse.de>
6337 * ggc-page.c (extra_order_size_tab): Add entries with
6338 size of struct function and basic_block.
6339 (size_lookup): Extend to cover sizes up to 511.
6340 (ggc_alloc_stat): Adjust user.
6341 (ggc_pch_count_object): Likewise.
6342 (ggc_pch_alloc_object): Likewise.
6343 (ggc_pch_write_object): Likewise.
6345 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6347 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6348 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6351 2006-06-19 Denis Chertykov <denisc@overta.ru>
6353 * config/avr/libgcc.S : Correct my wrong previous commit.
6355 2006-06-19 Roger Sayle <roger@eyesopen.com>
6358 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6359 have stripped a SUBREG from the shift count, so we may need to
6360 convert_to_mode back to the type's mode before calling make_tree.
6361 Use new_amount instead of amount to avoid expanding a tree twice.
6363 2006-06-19 Richard Guenther <rguenther@suse.de>
6366 * fold-const.c (operand_equal_p): Check if the argument types
6367 have the same precision before stripping NOPs.
6369 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6371 Fix PR tree-optimization/27341
6372 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6374 * tree-complex.c (pass_lower_complex): Update SMT usage.
6376 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6378 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6379 Add a new alternative to the constraint strings. Add move of
6380 operand 1 to 3 to the splitter definition.
6381 ("doloop_si_long"): Second contraint alternative removed.
6383 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6385 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6386 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6388 (AVR_HAVE_MOVW) Define.
6389 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6390 (ASM_SPEC): Add avr25.
6391 (LINK_SPEC): Add avr25.
6392 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6393 (base_arch_s): Add new member 'have_movw_lpmx'.
6394 (avr_arch_types): Init 'have_movw_lpmx'.
6395 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6396 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6397 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6398 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6399 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6401 (avr_file_start): Do not output '.arh' derective.
6402 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6403 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6404 * config/avr/avr.md (mcu_enhanced): Delete.
6405 (mcu_have_movw): Define.
6406 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6407 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6408 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6409 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6410 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6411 attiny861 and at86rf401 devices.
6413 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6415 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6418 2006-06-17 Karl Berry <karl@gnu.org>
6420 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6421 doc/gccint.texi, doc/install.texi (@dircategory): Use
6422 "Software development" instead of "Programming", following
6423 the Free Software Directory.
6425 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6427 * config/i386/i386.c (legitimate_tls_address)
6428 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6429 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6430 (*tls_dynamic_gnu2_combine_64): Likewise.
6432 2006-06-16 Richard Guenther <rguenther@suse.de>
6435 * fold-const.c (negate_expr_p): Do not introduce undefined
6436 overflow in negating INTEGER_CSTs.
6437 (fold_negate_expr): Rename from negate_expr. Revert last
6438 change for folding BIT_NOT_EXPR. Change semantics to
6439 return NULL_TREE for non-simplified negations. Do not
6440 strip type conversions and unify type handling.
6441 (negate_expr): New function, wrap around fold_negate_expr
6442 but ensure building a tree always. Strip type conversions
6443 here, fold to result type.
6444 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6446 2006-06-16 Roger Sayle <roger@eyesopen.com>
6449 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6450 that (would) return their results in stack registers.
6452 2006-06-16 Michael Matz <matz@suse.de>
6453 Richard Guenther <rguenther@suse.de>
6455 * fold-const.c (fold_truthop): Only return new tree node if
6456 we canonicalized something.
6458 2006-06-16 Richard Guenther <rguenther@suse.de>
6460 * function.h (enum function_frequency): Move declaration
6461 out of struct function.
6462 (struct function): Move bool fields and the enum to the bitfield
6463 section. Reorder elements to avoid padding. Remove unused
6464 fields left over from the RTL inliner removal.
6465 * function.c (free_after_compilation): Do not zero removed fields.
6466 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6467 (ipa-type-escape.o): Likewise.
6469 2006-06-16 Richard Guenther <rguenther@suse.de>
6471 * cgraph.h (struct cgraph_local_info): Turn bool elements
6473 (struct cgraph_node): Likewise.
6474 (struct cgraph_varpool_node): Likewise.
6476 2006-06-15 Richard Guenther <rguenther@suse.de>
6478 * fold-const.c (fold_truth_not_expr): Rename from
6479 invert_truthvalue. Give it fold_* semantics to avoid
6481 (invert_truthvalue): New function. Wrapper around
6482 fold_truth_not_expr.
6483 (optimize_minmax_comparison): Avoid creating garbage.
6484 (fold_unary): Use fold_truth_not_expr for folding
6486 (fold_ternary): Replace uses of invert_truthvalue with
6487 fold_truth_not_expr where applicable.
6488 * tree.h (fold_truth_not_expr): Prototype.
6490 2006-06-16 Richard Guenther <rguenther@suse.de>
6492 PR tree-optimization/27781
6493 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6494 * ipa-pure-const.c (target.h): Include.
6495 (analyze_function): Do not analyze functions that do not
6498 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6501 * tree-dfa.c (referenced_vars_dup_list): Remove.
6502 (find_referenced_vars): Remove assert.
6503 (referenced_var_check_and_insert): Replace dup list with assert.
6504 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6505 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6507 2006-06-15 Richard Guenther <rguenther@suse.de>
6509 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6510 extra unused identifiers if not dumping.
6511 (create_variable_info_for): Likewise.
6513 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6515 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6516 (derive_constant_upper_bound): Derive more precise upper bound in
6517 common cases. Return type changed to double_int.
6518 (record_estimate): Reflect the changed return type of
6519 derive_constant_upper_bound.
6520 * double-int.c (double_int_zext, double_int_sext): Fix.
6522 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6524 * configure.ac (CFLAGS): Get them from the toplevel or from the
6525 configure invocation.
6526 * configure: Regenerate.
6527 * Makefile.in (CFLAGS): Substitute value provided by configure.
6529 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6532 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6533 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6534 rather than calling add_stmt on it.
6535 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6537 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6540 * reload1.c (reload): Remove registers returned by update_eliminables
6541 from used_spill_regs.
6543 2006-06-13 DJ Delorie <dj@redhat.com>
6545 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6547 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6549 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6550 html__strip_dir, html__mkdir_p. Enhance install-html target.
6551 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6552 * configure: Regenerate.
6554 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6556 * fold-const.c (fold_cond_expr_with_comparison): Check for
6557 Objective-C++ as language in deciding COND_EXPR transformation.
6559 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6562 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6563 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6564 * config/sh/lib1funcs.h (SL, SL1): Define.
6565 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6566 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6567 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6568 (OBJS_Os_4_200): New variable.
6569 ($(T)libgcc-Os-4-200.a): Use it.
6570 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6571 when dividing 1 and/or by 0.
6573 2006-06-13 Roger Sayle <roger@eyesopen.com>
6575 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6576 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6577 * configure: Regenerate.
6579 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6581 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6582 for real instruction.
6584 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6587 * haifa-sched.c (check_cfg): Handle special case.
6589 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6592 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6593 Add debug_info parameter. Chain the vars to the BLOCK instead
6594 of the BIND_EXPR if debug info are requested for them.
6595 (pop_gimplify_context): Adjust for above change.
6596 (gimple_add_tmp_var): Likewise.
6597 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6599 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6600 (convert_local_reference): Likewise.
6601 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6602 (finalize_nesting_tree_1): Request that debug info be emitted
6603 for debug_var_chain.
6605 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6607 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6608 for PR target/27863.
6610 2006-06-13 Richard Guenther <rguenther@suse.de>
6613 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6615 2006-06-13 Richard Guenther <rguenther@suse.de>
6617 PR tree-optimization/27830
6618 * tree-inline.c (copy_body_r): For copying the operand
6619 of an ADDR_EXPR make sure to fold &* afterwards.
6621 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6623 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6624 lvalues in the fb_none case with side-effects.
6626 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6628 * tree-flow.h: Remove the prototype for
6629 compute_phi_arg_on_exit.
6630 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6631 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6634 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6636 * builtins.c (expand_builtin_return_addr): Only use
6637 frame_pointer_rtx when count == 0 and we are expanding
6638 __builtin_return_address.
6640 2006-06-12 Fred Fish <fnf@specifix.com>
6642 * config/mips/mips.c (mips_file_start): Create special section
6643 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6645 2006-06-11 Eric Christopher <echristo@apple.com>
6648 * stor-layout.c (place_field): Remove check for
6649 remaining_in_alignment when aligning at the end of a run.
6651 2006-06-11 Eric Christopher <echristo@apple.com>
6654 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6657 2006-06-11 Roger Sayle <roger@eyesopen.com>
6660 Revert incorrect fix for PR target/27158
6661 2006-05-08 Roger Sayle <roger@eyesopen.com>
6662 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6663 of a reg_equiv_constant if the result is a legitimate constant.
6665 2006-06-11 Roger Sayle <roger@eyesopen.com>
6668 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6669 extract a CONST_VECTOR element and interpret it as an integer.
6670 (vspltis_constant): Use const_vector_elt_as_int instead of the
6671 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6672 * config/rs6000/predicates.md (easy_vector_const): Consider
6673 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6675 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6678 * stor-layout.c (update_alignment_for_field): Don't add extra
6679 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6682 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6684 * config/mips/t-rtems: Add EL/EB multilib variants.
6686 2006-06-09 Mike Stump <mrs@apple.com>
6688 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6690 2006-06-09 David Daney <ddaney@avtrex.com>
6692 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6694 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6696 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6698 2006-06-09 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/26998
6701 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6702 of signed types, only TYPE_MIN_VALUE is special, but for both,
6703 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6704 in this case, as is -fwrapv.
6706 2006-06-08 Mike Stump <mrs@apple.com>
6709 * config/darwin.c (darwin_asm_output_anchor): Disable
6710 -fsection-anchors on darwin for now.
6711 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6712 * rs6000/rs6000.c (optimization_options): Likewise.
6714 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6717 * config/i386/i386.c (classify_argument): Skip fields with invalid
6720 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6722 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6723 (cse_insn): Likewise for the stack_pointer_rtx.
6725 2006-06-08 Roger Sayle <roger@eyesopen.com>
6727 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6728 conditions from floating point comparisons.
6730 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6733 * expmed.c (struct alg_hash_entry): Fix type of field T
6734 to match synth_mult argument.
6735 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6737 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6740 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6743 2006-06-08 Richard Guenther <rguenther@suse.de>
6746 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6747 only, if overflow is defined and not trapping.
6748 (negate_expr): Likewise.
6750 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6752 PR tree-optimization/27872
6753 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6754 flag on the new exit edge of the unrolled loop.
6756 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6758 PR rtl-optimization/26449
6759 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6761 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6764 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6765 referenced_variables with matching DECL_UID's.
6766 (find_referenced_vars): Make sure duplicate list is empty to start.
6767 (referenced_var_p): Remove.
6768 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6769 Check if var is in the list, and add if needed. Update the duplicate
6770 list if a different var is in the list with the same DECL_UID.
6771 (add_referenced_var): Call routine to check and insert.
6772 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6773 * tree-flow.h (referenced_vars_dup_list): External declaration.
6775 2006-06-07 Fred Fish <fnf@specifix.com>
6777 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6780 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6783 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6784 the imaginary and real parts of a clobbered register.
6785 Emit insn to set the imaginary part.
6787 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6789 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6790 in lieu of unwind-dw2-fde.c.
6792 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6794 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6796 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6799 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6800 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6801 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6802 V4SImode temporaries and operations instead.
6804 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6806 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6809 2006-06-06 Mike Stump <mrs@apple.com>
6811 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6812 installing during build.
6814 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6816 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6818 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6819 * config/ia64/ia64.c (params.h): New header.
6820 (ia64_optimization_options): New function to adjust parameters.
6821 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6822 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6823 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6825 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6827 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6829 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6832 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6834 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6835 Victor Kaplansky <victork@il.ibm.com>
6837 PR tree-optimization/26360
6838 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6841 2006-06-04 Roger Sayle <roger@eyesopen.com>
6842 Andrew Pinski <pinskia@physics.uc.edu>
6845 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6846 for LABEL_DECL before calling DECL_WEAK.
6849 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6850 LABEL_DECL and PARM_DECL.
6852 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6856 * c-decl.c (grokdeclarator): Disallow variably modified types at
6857 file scope. Avoid marking shared array type of constant size as
6860 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6863 * c-common.c (fold_offsetof_1): Handle static members.
6865 2006-06-04 Eric Christopher <echristo@apple.com>
6867 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6868 (debug_rli): Output value for remaining_in_alignment.
6869 (update_alignment_for_field): Unconditionalize
6870 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6871 extra alignment code.
6872 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6873 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6874 * tree.h (record_layout_info_s): Remove prev_packed.
6875 * doc/extend.texi (ms_struct): Add documentation of format.
6877 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6879 * tree.h: Declare folding_initializer.
6880 * builtins.c (fold_builtin_constant_p): Give definite answer
6881 if folding inside an initializer.
6882 * fold-const.c: Define folding_initializer.
6883 (START_FOLD_INIT): Save and then set folding_initializer.
6884 (END_FOLD_INIT): Restore folding_initializer.
6886 2006-06-04 Richard Guenther <rguenther@suse.de>
6888 PR tree-optimization/27039
6889 * fold-const.c (fold_comparison): Handle pointer comparison
6890 again for all comparison codes. Compare offsets in signed
6892 (fold_binary): Move code from here.
6894 2006-06-03 Roger Sayle <roger@eyesopen.com>
6897 * config/i386/i386.c (construct_container): Split static issued_error
6898 flag into issued_sse_arg_error, issued_sse_ret_error and
6899 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6900 requires the use of x87 registers and the user explicitly
6901 specified the -mno-80387 command line option.
6903 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6905 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6906 HAVE_DECL_SIGALTSTACK.
6908 (segv_handler): Use MC_FLD.
6909 * configure.ac: Check for a sigaltstack declaration.
6910 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6911 * configure: Regenerate.
6912 * config.in: Regenerate.
6914 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6917 * Makefile.in (stmp-fixinc): Fix typo.
6919 2006-06-02 Roger Sayle <roger@eyesopen.com>
6921 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6922 are type correct. Clean-up.
6923 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6924 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6926 2006-06-01 DJ Delorie <dj@redhat.com>
6928 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6929 shift, as we've disabled the "switch" insn that needs it.
6931 2006-06-01 Per Bothner <bothner@bothner.com>
6933 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6934 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6935 * c-ppoutput.c (cb_define): Don't increment line 0.
6937 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6939 * doc/invoke.texi: Add cpu_type power6.
6940 * config.gcc: Add cpu_type power6.
6941 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6942 to power5+ with Altivec.
6943 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6944 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6946 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6948 * config/avr/avr.h (SET_ASM_OP): Define.
6950 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6952 * config/bfin/bfin.c: Fix comment typos.
6954 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6957 * doc/install.texi: Document --enable-bootstrap and
6958 --disable-bootstrap.
6960 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6962 * doc/install.texi: Document that InfoZIP can replace jar.
6964 2006-05-31 Roger Sayle <roger@eyesopen.com>
6966 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6967 isn't available, directly generate the simpler x87 patterns without
6968 the (use (const_int 0)).
6969 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6970 implementation isn't available.
6971 (*negdf2_1): Likewise.
6972 (*negxf2_1): XF mode negation is always done using the x87.
6973 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6975 2006-05-31 Roger Sayle <roger@eyesopen.com>
6977 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6978 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6980 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6982 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6984 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6985 * config/bfin/bfin.c (basic-block.h): Include.
6986 (struct machine_function): New.
6987 (bfin_init_machine_status): New.
6988 (override_options): Initialize init_machine_status.
6989 (bfin_hardware_loop): New.
6990 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6991 (DEF_VEC_P (loop_info)): New.
6992 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6993 (struct loop_info): New.
6994 (loop_info): New typedef.
6995 (struct loop_work): New.
6996 (loop_work): New typedef.
6997 (DEF_VEC_O (loop_work)): New.
6998 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6999 (bfin_dump_loops): New.
7000 (bfin_bb_in_loop): New.
7001 (bfin_scan_loop): New.
7002 (bfin_optimize_loop): New.
7003 (bfin_reorg_loops): New.
7004 (bfin_reorg): Use bfin_reorg_loops.
7005 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7007 (I_REGNO_P): Simplify.
7008 (DP_REGNO_P, DPREG_P): New macros.
7009 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7010 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7011 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7012 Add LT_REGS, LC_REGS, LB_REGS.
7013 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7015 (REGNO_REG_CLASS): Deal with loop registers.
7016 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7018 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7019 New constants for loop registers.
7020 (UNSPEC_LSETUP_END): New.
7021 (seq_insns): New define_attr. Set it for appropriate insns.
7022 (movsi_insn): Add alternatives for move from/to
7023 loop count registers.
7024 (doloop_end): New define_expand.
7025 (loop_end): New define_insn.
7026 (define_split for bad doloop_end): New.
7027 (lsetup_with_autoinit): New define_insn.
7028 (lsetup_without_autoinit): New define_insn.
7029 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7030 * config/bfin/predicates.md (lc_register_operand): New.
7031 (lt_register_operand): New.
7032 (lb_register_operand): New.
7033 (nondp_register_operand): New.
7034 (nondp_reg_or_memory_operand): New.
7035 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7037 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7039 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7040 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7042 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7044 * Makefile.in (CATALOGS): Add po/ prefix.
7045 * configure: Regenerated.
7047 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7050 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7051 a shift operand before calling shift_op. Avoid redundant call of
7054 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7055 DJ Delorie <dj@redhat.com>
7057 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7058 we're inserting is a singlt-bit constant.
7060 2006-05-30 Roger Sayle <roger@eyesopen.com>
7062 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7063 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7065 2006-05-30 Roger Sayle <roger@eyesopen.com>
7067 PR tree-optimization/23452
7068 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7069 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7070 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7071 complex values and with -ffast-math for FP complex values.
7073 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7075 * c-common.h: Remove the prototype for yyparse.
7076 * rtl.h: Remove the prototype for init_loop.
7078 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7080 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7083 2006-05-30 Roger Sayle <roger@eyesopen.com>
7085 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7087 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7088 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7090 2006-05-30 Dirk Mueller <dmueller@suse.de>
7093 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7094 for CONSTANT_CLASS_P expresisons.
7096 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7099 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7101 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7103 PR tree-optimization/27779
7104 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7105 initial_condition instead of CHREC_LEFT.
7107 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7109 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7110 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7111 Make prototypes ISO C90.
7113 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7114 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7116 * see.c (see_analyze_one_def): Correct check.
7117 (see_get_extension_data): Check if extension is parallel.
7118 (see_get_extension_reg): Likewise.
7120 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7123 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7124 into register for (code == GTU).
7126 2006-05-29 Roger Sayle <roger@eyesopen.com>
7128 PR tree-optimization/24964
7129 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7130 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7131 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7132 abs(x)*abs(x) as x*x for scalar floating point modes.
7134 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7137 * lambda-code.c (perfect_nestify): Don't copy statements
7138 in the inner loop: move them to the inner loop header.
7140 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7143 * c-tree.texi: Document OpenMP directives and clauses.
7145 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7147 * varasm.c (globalize_decl): Fix indentation.
7149 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7152 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7153 pass_fre, pass_store_ccp, pass_copy_prop,
7154 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7155 pass_return_slot, pass_object_size, pass_lim,
7156 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7157 pass_loop_prefetch and pass_stdarg.
7159 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7161 * config/bfin/bfin.opt (mfdpic): New option.
7162 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7163 (EXTRA_MULTILIB_PARTS): Likewise.
7164 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7165 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7167 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7168 (CRT_CALL_STATIC_FUNCTION): New.
7169 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7171 (CRT_CALL_STATIC_FUNCTION): New.
7172 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7174 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7175 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7176 (initialize_trampoline): Changed to handle FD-PIC code generation.
7177 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7178 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7179 (override_options): Disallow -mid-shared-library -mfdpic combination.
7180 Can't do unaligned ops if FD-PIC.
7181 Turn off flag_pic if trying to generate non-id-shared-library
7182 non-fdpic code, since it's not supported.
7183 (bfin_assemble_integer): New function.
7184 (TARGET_ASM_INTEGER): Define.
7185 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7187 * config/bfin/crtn.s: Restore them.
7188 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7190 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7191 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7192 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7193 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7194 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7196 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7197 FDPIC_REGS and FDPIC_FPTR_REGS.
7198 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7199 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7200 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7201 (load_funcdescsi): New pattern.
7202 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7203 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7204 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7206 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7208 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7211 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7213 * tree-flow.h: Remove the prototype for add_type_alias.
7214 * tree-ssa-alias.c (add_type_alias): Remove.
7216 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7218 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7219 config/fr30/fr30.md, config/i386/i386-interix.h,
7220 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7221 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7222 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7223 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7224 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7225 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7226 Follow spelling conventions.
7227 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7228 Follow spelling conventions.
7230 2006-05-27 Richard Guenther <rguenther@suse.de>
7233 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7234 to produce a constant of value 1 of generic type.
7236 2006-05-27 Dirk Mueller <dmueller@suse.de>
7238 * cgraphunit.c (decide_is_function_needed): Fix wrong
7241 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7243 PR rtl-optimization/27661
7244 * reload.c (find_reloads): When reloading a VOIDmode constant
7245 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7246 use Pmode as mode of the reload register.
7248 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7250 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7251 is enabled at -O and above.
7253 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7256 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7259 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7262 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7263 for anonymous variables explicitly declared by front ends.
7265 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7267 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7268 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7269 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7270 ref-all pointers, run a finalization pass for them.
7271 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7272 (finalize_ref_all_pointers): New function.
7273 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7274 regular pointer type to a ref-all pointer type.
7275 (get_tmt_for): Return the special memory tag for ref-all pointers.
7277 2006-05-25 Richard Guenther <rguenther@suse.de>
7280 * fold-const.c (fold_binary): Do not look at the stripped
7281 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7283 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7285 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7286 for LT and GT if the computed range is effectively empty.
7288 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7291 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7292 mips_quad_format formats instead of ieee_single_format,
7293 ieee_double_format and ieee_quad_format formats, respectively.
7295 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7297 PR tree-optimization/27639
7298 PR tree-optimization/26719
7299 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7300 call to scev_probably_wraps_p.
7301 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7302 used_in_pointer_arithmetic_p, convert_step): Removed.
7303 (nowrap_type_p): New function.
7304 (scev_probably_wraps_p): Rewritten.
7305 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7306 chrec_convert if chrec_convert_aggressive might have been used.
7307 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7308 scev_direction): New functions.
7309 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7310 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7311 instead of convert_step.
7312 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7313 (convert_step): Declaration removed.
7314 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7316 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7318 * df-core.c: Added to header comments.
7319 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7320 df_ur_bb_info, df_urec_bb_info): Added comments.
7321 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7322 urec, ri problems): Fixed header comments.
7323 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7324 code from df_rd_transfer_function.
7326 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7328 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7329 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7330 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7332 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7334 * expr.c (undefined_operand_subword_p): New.
7335 (emit_move_multi_word): Do not generate move from undefined bits
7336 of a paradoxical subreg.
7338 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7340 PR rtl-optimization/27736
7341 * combine.c (replaced_rhs_value): New variable.
7342 (combine_instructions): Set it.
7343 (distribute_notes): When distributing a note in replaced_rhs_insn,
7344 check whether the value was used in replaced_rhs_value.
7346 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7349 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7350 add_referenced_var instead of add_referenced_tmp_var.
7351 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7352 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7354 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7355 tree_optimize_tail_calls_1): Use add_referenced_var.
7356 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7357 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7358 Use add_referenced_var.
7359 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7360 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7361 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7362 Use add_referenced_var.
7363 * tree-dfa.c (struct walk_state): Remove.
7364 (find_referenced_vars): Remove walk state and vars_found hash table.
7365 (make_rename_temp): Use add_referenced_var.
7366 (find_vars_r): Pass less parameters to add_referenced_var.
7367 (referenced_var_p): New. Is var in referenced_var hash table.
7368 (referenced_var_insert): Assert var isn't already in hash table.
7369 (add_referenced_var): Don't need walk_state parameter. Add var if it
7370 isn't already in the hash table.
7371 (add_referenced_tmp_var): Remove.
7372 (find_new_referenced_vars_1): Use add_referenced_var.
7373 * tree-ssa-pre.c (create_expression_by_pieces,
7374 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7375 Use add_referenced_var.
7376 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7377 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7378 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7380 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7381 vect_create_data_ref_ptr, vect_create_destination_var,
7382 vect_init_vector, vect_build_loop_niters,
7383 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7384 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7385 Use add_referenced_var.
7386 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7387 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7388 (add_referenced_var): Add prototype.
7389 * tree-ssa-structalias.c (get_constraint_for,
7390 intra_create_variable_infos): Use add_referenced_var.
7392 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7394 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7395 big-endian paradoxical subregs.
7396 * var-tracking.c (struct micro_operation_def): Document that,
7397 for modify micro operations, insn is the subsequent instruction.
7398 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7399 (var_reg_set, var_mem_set): ... new functions.
7400 (add_stores): Record subsequent insn.
7401 (compute_bb_dataflow): Use new functions for MO_USE.
7402 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7403 notes after the insn, and modify notes before the insn known
7404 to be the subsequent one.
7405 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7407 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7410 * config/i386/i386.c (ix86_expand_builtin): Use
7411 gen_sse3_monitor64 for TARGET_64BIT.
7413 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7415 PR rtl-optimization/26375
7416 PR rtl-optimization/26855
7417 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7419 (df_ru_bb_local_compute): Reversed statements and removed bogus
7420 comment explaining why they should be in wrong order.
7421 (df_ru_dump, df_rd_dump): Enhanced debug info.
7422 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7424 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7425 reaching uses and fixed space problem.
7427 2006-05-23 Jan Hubicka <jh@suse.cz>
7429 * cgraphunit.c (decide_is_function_needed): Also nested functions
7430 and functions declared inline can be optimized out at -O0.
7432 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7434 * doc/install.texi (Configuration): Remove reference to CrossGCC
7438 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7441 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7442 ix86_compare_emitted is non-NULL.
7444 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7447 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7450 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7452 PR rtl-optimization/25514
7453 * combine.c (replaced_rhs_insn): New variable.
7454 (combine_instructions): Set replaced_rhs_insn when trying to replace
7455 a SET_SRC with a REG_EQUAL note.
7456 (distribute_notes): Use replaced_rhs_insn when determining the live
7457 range of a REG_DEAD register.
7459 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7460 Anatoly Sokolov <aesok@post.ru>
7462 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7463 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7464 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7465 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7466 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7467 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7468 at90usb647, at90usb1286 and at90usb1287 devices.
7469 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7470 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7472 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7474 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7476 2006-05-22 Richard Guenther <rguenther@suse.de>
7479 2006-01-31 Richard Guenther <rguenther@suse.de>
7480 Paolo Bonzini <bonzini@gnu.org>
7482 * doc/install.texi (--disable-libgcc-math): Document.
7484 2006-05-22 Richard Guenther <rguenther@suse.de>
7487 2006-01-31 Richard Guenther <rguenther@suse.de>
7489 * doc/invoke.texi (-msselibm): Document.
7490 * target.h (expand_library_builtin): New target hook.
7491 * builtins.c (expand_builtin): Use expand_library_builtin.
7492 (default_expand_library_builtin): New function.
7493 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7494 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7495 (link_gcc_math_spec): Declare.
7496 (static_specs): Add link_gcc_math_spec.
7497 * expr.h (default_expand_library_builtin): Declare.
7498 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7499 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7500 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7501 * config/i386/i386.opt (msselibm): New target option.
7502 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7503 (ix86_init_sse_abi_builtins): New function.
7504 (ix86_expand_library_builtin): Likewise.
7505 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7506 (override_options): Handle error conditions wrt -msselibm.
7507 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7508 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7509 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7512 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7515 * c-common.c (self_promoting_args_p): Skip erroneous args.
7518 * c-decl.c (finish_struct): Skip erroneous fields.
7520 2006-05-22 Nick Clifton <nickc@redhat.com>
7522 * config/cris/cris.opt (march): Remove VarExists attribute.
7523 (max-stackframe=): Likewise.
7525 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7527 * doc/rtl.texi: Fix a typo.
7528 * see.c: Fix comment typos.
7530 * tree-ssa-structalias.h (alias_info): Remove num_references.
7532 2006-05-21 Mike Stump <mrs@apple.com>
7534 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7536 (darwin_pragma_options): Use BAD instead.
7537 (darwin_pragma_unused): Likewise.
7538 (darwin_pragma_ms_struct): Likewise.
7540 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7542 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7544 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7546 PR rtl-optimization/27671
7547 * simplify-rtx.c (simplify_relational_operation_1): Fix
7548 simplifications of (eq/ne (xor x y) y) and
7549 (eq/ne (xor x y) x).
7551 PR tree-optimization/26622.
7552 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7555 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7557 * tree-cfg.c: Prune whitespace.
7558 (debug_tree_cfg): Point to correct header containing the
7561 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7564 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7566 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7569 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7570 or sorry count is non zero.
7572 2006-05-20 Andreas Schwab <schwab@suse.de>
7574 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7576 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7577 Kenneth Zadeck <zadeck@naturalbridge.com>
7579 PR rtl-optimization/26855
7581 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7583 (df_scan_alloc): Added code to properly handle multiword hard
7584 registers and add all_blocks parameter.
7585 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7586 code to properly handle multiword hard registers.
7587 (df_rescan_blocks): Added code to remove deleted blocks from
7589 (df_ref_create_structure, df_ref_record): Added code to properly
7591 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7592 and set DF_REF_PARTIAL.
7593 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7594 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7595 (df_scan_add_problem): Added flags parameter.
7596 (df_ref_create_structure): Changed switching structure.
7597 (df_bb_refs_record): Fixed case where duplicate artificial refs
7598 were created. Changed location of flags.
7599 (df_record_entry_block_defs): Added code to make stack pointer
7600 live in entry block. Refined cases where frame pointer is needed.
7601 Changed location of flags.
7602 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7603 (df_set_state): Removed function.
7604 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7605 df_insn_create_insn_record, df_insn_refs_delete,
7606 df_ref_create_structure): Formatting changes.
7607 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7608 df_delete_basic_block): New function.
7609 (df_init): Changed location of flags.
7610 (df_add_problem): Added flags parameter and the way flags are
7612 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7613 debug_df_chain): Improved debugging output.
7614 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7615 (df_refs_chain_dump): Removed df parameter.
7616 (df_iterative_dataflow): Added consistency check.
7617 (df_prune_to_subcfg): Made public.
7618 (df_analyze_problem): Added blocks_to_init parameter and made
7620 (df_ref_record, df_bb_refs_record, df_mark_reg,
7621 df_record_exit_block_uses): Whitespace changes.
7622 (df_dump): Whitespace changes.
7623 * df.h: Some reordering to remove forward references.
7624 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7625 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7626 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7627 (dataflow.flags): New field.
7628 (df.flag): Deleted field.
7629 (df_alloc_function): Added additional bitmap parameter.
7630 (df_dependent_problem_function): New type.
7631 (df_problem.changeable_flags): New field.
7632 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7633 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7634 (df_mw_hardreg): New struct.
7635 (DF_INSN_UID_MWS): New macro.
7636 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7638 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7639 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7640 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7641 (df_set_state): Removed function.
7642 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7643 * df-problems.c (df_chain_dump): Removed df parameter.
7644 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7645 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7647 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7648 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7649 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7650 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7651 DF_REF_MUST_CLOBBER cases.
7652 (df_ru_bb_local_compute_process_def,
7653 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7654 df_lr_bb_local_compute, df_ur_bb_local_compute,
7655 df_chain_create_bb): Made subreg aware.
7656 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7657 df_lr_bb_local_compute, df_lr_bb_local_compute,
7658 df_chain_create_bb): Cleanup to use proper macros.
7659 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7660 code to fixup bitvectors.
7661 (df_ri_alloc): Cleared lifetime.
7662 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7663 df_create_unused_note): New function.
7664 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7665 REG_DEAD and REG_UNUSED notes as well as register information.
7666 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7667 df_chains_dump): Fixed crash if problem was never run.
7668 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7669 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7670 df_ri_add_problem): Processes flags in uniform manner.
7671 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7672 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7673 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7674 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7675 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7676 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7677 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7678 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7679 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7680 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7681 * see.c (see_initialize_data): Ditto.
7682 * final.c (rest_of_clean_state) Added regstack_completed.
7683 * rtl.h (regstack_completed): Ditto.
7684 * reg-stack.c (regstack_completed): Ditto.
7686 2006-05-19 Mike Stump <mrs@apple.com>
7688 * c-tree.h (default_conversion): Remove.
7689 * c-common.h (default_conversion): Add.
7691 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7693 * tree-vrp.c (valid_value_p): New function.
7694 (adjust_range_with_scev): Fail if the value of bound is not
7697 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7699 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7700 (mips_fallback_frame_state): Use syscall numbers to determine
7701 the appropriate li instruction for the current ABI. Only use
7702 __NR_sigreturn for o32.
7704 2006-05-19 Nicolas Setton <setton@adacore.com>
7706 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7707 * langhooks.c (lhd_dwarf_name): New function.
7708 * langhooks-def.h (lhd_dwarf_name): Declare.
7709 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7710 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7711 * ada/misc.c (gnat_dwarf_name): New function.
7712 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7714 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7716 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7718 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7719 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7720 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7721 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7722 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7723 determine the size of Wtype, etc.
7724 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7725 (swfloatfuncs): New variable.
7726 (dwfloatfuncs): Likewise.
7727 (lib2funcs): Remove floating-point conversion functions from
7728 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7729 the set of conversion routines needed. Allow entries to specify
7730 an object name, filename and word size. Update users accordingly.
7731 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7732 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7736 2006-02-08 Roger Sayle <roger@eyesopen.com>
7739 * config/fixtfdi.c: New libgcc source file.
7740 * config/fixunstfdi.c: New source file.
7741 * config/floatditf.c: New source file.
7742 * config/floatunditf.c: New souce file.
7743 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7744 files above instead of config/mips/_tilib.c.
7745 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7747 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7749 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7750 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7752 2006-05-18 Mike Stump <mrs@apple.com>
7754 Fix up vla, vm and [*] sematics.
7760 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7761 (c_vla_unspec_p): Add.
7762 (c_vla_type_p): Add.
7763 * c-decl.c (struct c_scope): Add had_vla_unspec.
7764 (build_array_declarator): Add support for [*].
7765 (grokdeclarator): Likewise.
7766 (grokparms): Likewise.
7767 (get_parm_info): Likewise.
7768 * c-objc-common.c (c_vla_unspec_p): Likewise.
7769 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7770 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7771 typeof when argument is a variably modified type not inside sizeof or alignof.
7772 (c_parser_direct_declarator_inner): Propagate errors.
7773 (c_parser_sizeof_expression): Add support for [*].
7774 (c_parser_parms_declarator): Initialize had_vla_unspec.
7775 (c_parser_parms_list_declarator): Likewise.
7776 * c-typeck.c (c_vla_type_p): Add.
7777 (composite_type): Add support for vla compositing.
7778 (comptypes_internal): Add support for vla compatibility.
7779 (c_expr_sizeof_expr): Evaluate vla arguments.
7780 * tree.c (variably_modified_type_p): Update comment for [*].
7782 2006-05-18 Michael Matz <matz@suse.de>
7785 * config.host: Make assignments to host_xmake_file cumulative.
7786 * config.host (*-darwin*): Test $host, not $target.
7788 2006-05-12 Stuart Hastings <stuart@apple.com>
7790 * config/i386/i386.opt (-mstackrealign): New flag.
7791 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7792 (ix86_handle_cconv_attribute): Emit error when
7793 force_align_arg_pointer attribute collides with too many regparms.
7794 (ix86_function_regparm): Limit regparms when used with
7795 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7796 Support stack-realigning prologue in non-main functions. Emit
7797 warning for nested functions under -mstackrealign, emit error for
7798 nested functions with force_align_arg_pointer attribute.
7799 * doc/extend.texi (force_align_arg_pointer): Document it.
7800 * doc/invoke.texi (-mstackrealign): Document it.
7802 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7804 PR rtl-optimization/27477
7805 * combine.c (try_combine): Don't split a parallel consisting
7806 of two sets into two individual sets if both sets reference
7809 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7811 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7812 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7814 * doc/options.texi (VarExists): Updated.
7816 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7818 * unwind-dw2.c: Add declarations for uw_update_context and
7820 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7821 detected, advance frame state and context once to skip over stub.
7823 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7827 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7828 Call rewrite_into_loop_closed_ssa only when something changed.
7829 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7830 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7831 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7832 Test for perfect_nest_p here. Fix formating.
7833 (replace_uses_equiv_to_x_with_y): Fix formating.
7834 (stmt_uses_op): Removed.
7835 (can_convert_to_perfect_nest): Removed loopivs parameter.
7836 Complete the test by checking the scalar dependences.
7837 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7840 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7843 From Dan Kegel <dank@kegel.com>:
7844 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7846 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7848 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7849 if the element type is variably modified without recursing.
7851 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7854 * tree-loop-linear.c (try_interchange_loops): Test for
7855 no data dependences.
7857 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7859 PR tree-optimization/27548
7860 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7861 range of ssa names that appear on abnormal edges.
7862 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7863 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7865 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7868 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7870 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7873 * tree.h (OMP_PARALLEL_COMBINED): Define.
7874 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7875 (new_omp_context): Add is_combined_parallel argument.
7876 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7877 new_omp_context caller.
7878 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7879 Adjust gimplify_scan_omp_clauses callers.
7880 (omp_is_private): Issue errors if iteration variable is firstprivate
7881 or reduction in the current context.
7882 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7883 on combined parallel workshare constructs.
7885 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7887 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7888 (gcc-options.o): New rule.
7890 * optc-gen.awk: Protect variables for gcc-options.o with
7891 #ifdef GCC_DRIVER/#endif.
7893 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7895 Fix PR tree-optimization/27373
7896 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7897 (forward_propagate_addr_expr): Update call.
7899 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7901 * doc/options.texi: Move the Negative option.
7903 2006-05-16 Richard Guenther <rguenther@suse.de>
7905 PR tree-optimization/22303
7906 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7908 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7909 ccp_fold did not simplify the statement.
7911 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7914 * Makefile.in (GCC_OBJS): New.
7915 (OBJS-common): Add opts-common.o.
7916 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7917 (cpp$(exeext)): Likewise.
7918 (gcc.o): Also depend on opts.h.
7919 (opts-common.o): New.
7921 * common.opt (gcoff): Add Negative(gdwarf-2).
7922 (gdwarf-2): Add Negative(gstabs).
7923 (gstabs): Add Negative(gstabs+).
7924 (gstabs+): Add Negative(gvms).
7925 (gvms): Add Negative(gxcoff).
7926 (gxcoff): Add Negative(gxcoff+).
7927 (gxcoff+): Add Negative(gcoff).
7928 * config/i386/i386.opt (m32): Add Negative(m64).
7929 (m64): Add Negative(m32).
7931 * doc/options.texi: Document the Negative option.
7933 * gcc.c: Include "opts.h".
7934 (main): Call prune_options after expandargv.
7936 * optc-gen.awk: Generate common declarations for all flag
7937 variables in options.c. Output the neg_index field.
7939 * opts.c (find_opt): Moved to ...
7940 * opts-common.c: Here. New file.
7942 * opts.h (cl_option): Add a neg_index field.
7944 (prune_options): Likewise.
7946 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7949 * omp-low.c (expand_omp_parallel): Don't assert
7950 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7951 instead search for it.
7954 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7957 2006-05-16 Andreas Schwab <schwab@suse.de>
7959 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7962 2006-05-15 Roger Sayle <roger@eyesopen.com>
7965 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7966 integer constants other than zero are only legitimate on TARGET_64BIT.
7967 <CONST_VECTOR> Only zero vectors are legitimate.
7968 (ix86_cannot_force_const_mem): Integral and vector constants can
7969 always be put in the constant pool.
7971 2006-05-16 DJ Delorie <dj@redhat.com>
7973 * crtstuff.c (__dso_handle): Set section from
7974 TARGET_LBIGCC_SDATA_SECTION if defined.
7975 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7976 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7978 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7981 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7984 2006-05-16 Ben Elliston <bje@au.ibm.com>
7986 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7988 2006-05-15 Per Bothner <per@bothner.com>
7990 * tree.c: (last_annotated_node): Use source_locus typedef.
7991 This permits bootstrapping with --enable-mapped-location.
7993 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7995 PR tree-optimization/26830
7996 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7997 (info_for_ssa_name, current_info_for_ssa_name_age,
7998 blocks_to_update): New variables.
7999 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8000 (clear_ssa_name_info, initialize_flags_in_bb,
8001 mark_block_for_update): New functions.
8002 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8003 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8004 prepare_def_site_for): Use mark_block_for_update.
8005 (mark_def_interesting): Assert that the processed block is marked in
8006 blocks_to_update. Do not take blocks argument.
8007 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8009 (rewrite_update_init_block, rewrite_update_stmt): Only process
8010 blocks with statements to rewrite.
8011 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8012 (update_ssa): Initialize and free blocks_to_update. Do not
8013 clear flags on statements. Do not use blocks bitmap.
8014 * tree.h (SSA_NAME_AUX): Removed.
8015 (struct tree_ssa_name): Removed aux field.
8016 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8018 2006-05-15 Richard Guenther <rguenther@suse.de>
8020 PR tree-optimization/27603
8021 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8022 Do computations in original type.
8024 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8026 * see.c: Code style changes such as redundant paranthesis,
8027 redundant intialization of local variables etc.
8028 (see_main): Declared now as static.
8029 * doc/invoke.texi: Update that -fsee is not enabled by
8032 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8034 * omp-low.c (check_omp_nesting_restrictions): New function.
8035 (scan_omp_1): Call it.
8038 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8039 construct, return *VAR.
8041 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8043 PR rtl-optimization/27406
8044 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8047 2006-05-14 Roger Sayle <roger@eyesopen.com>
8049 PR rtl-optimization/27538
8050 * combine.c (expand_compound_operation): Call gen_lowpart
8051 before calling simplify_shift_const.
8053 2006-05-14 Roger Sayle <roger@eyesopen.com>
8055 PR rtl-optimization/22563
8056 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8057 a fixed width bitfield, always force the intermediates into psuedos.
8059 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8062 * mkconfig.sh: Use operator = instead of == for test.
8064 2006-05-13 Nick Clifton <nickc@redhat.com>
8066 * dwarf2out.c (dbx_reg_number): Check return value from
8067 LEAF_REG_REMAP and only use it if it is valid.
8068 (multiple_reg_loc_descriptor): Likewise.
8070 2006-05-13 Richard Guenther <rguenther@suse.de>
8072 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8075 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8077 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8078 information attached to non-INSNs such as NOTEs.
8079 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8081 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8083 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8085 * config/s390/s390.md: Adjust comment describing On constraint.
8087 2006-05-11 Jan Hubicka <jh@suse.cz>
8089 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8090 to be output at -O0.
8092 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8095 * fold-const.c (size_binop): Move sanity check for arguments to
8096 the beginning of the function.
8099 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8102 2006-05-11 Richard Guenther <rguenther@suse.de>
8105 * fold-const.c (fold_unary): Handle intermediate conversion
8106 to a pointer type like intermediate conversion to an integer
8107 type in folding of (T1)(T2)var to var.
8108 Match the code to the comment in the final conversion for
8109 (T1)(T2)var to (T1)var regarding to type precision. Rather
8110 than disallow T1 being of pointer type, assert that both T1
8111 and var are of pointer type or not. Make sure not to fall
8112 over the frontends lazyness wrt array to pointer decay though.
8114 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8116 * arm.c (arm_struct_value_rtx): Delete.
8117 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8118 (arm_init_cumulative_args): Always initialize nregs to zero.
8120 2006-05-10 Richard Guenther <rguenther@suse.de>
8122 PR tree-optimization/27532
8123 * tree-object-size.c (plus_expr_object_size): Fix typo.
8125 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8128 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8129 ashrdi_const, ashrdi3): Use a scratch register.
8131 2006-05-10 Richard Guenther <rguenther@suse.de>
8133 PR tree-optimization/27302
8134 * fold-const.c (operand_equal_p): For two comparisons,
8135 try comparison of one comparison code swapped if that yields
8138 2006-05-10 Ben Elliston <bje@au.ibm.com>
8140 * tree-pretty-print.c (pretty_print_string): No need to handle
8141 '\0' as a special character.
8143 * tree.h: Include "hashtab.h".
8144 (iterative_hash_expr): Use hashval_t in its prototype.
8145 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8147 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8150 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8151 (hppa*64*-*-hpux11*): Ditto.
8152 (hppa[12]*-*-hpux11*): Ditto.
8154 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8157 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8159 2006-05-09 Michael Matz <matz@suse.de>
8161 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8162 host_extra_gcc_objs and host_xmake_file.
8163 (<*-*-linux*>): Don't overwrite host_xmake_file.
8164 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8165 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8166 (host_detect_local_cpu): Declare.
8167 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8168 * config/i386/i386.c (override_options): Handle -mtune=native
8170 * config/i386/x-i386: New file.
8171 * config/i386/driver-i386.c: New file.
8172 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8175 2006-05-09 Dirk Mueller <dmueller@suse.de>
8176 Richard Guenther <rguenther@suse.de>
8179 * fold-const.c (fold_read_from_constant_string): Relax check
8180 for matching types to matching modes.
8182 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8184 PR rtl-optimization/27335
8185 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8188 2006-05-08 Chao-ying Fu <fu@mips.com>
8189 Richard Sandiford <richard@codesourcery.com>
8191 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8192 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8193 * config/mips/mips.md (UNSPEC_SCC): New constant.
8194 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8195 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8196 (mips_emit_compare): Use it.
8197 (mips_expand_vcondv2sf): New function.
8199 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8201 Fix PR tree-optimization/27093
8202 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8203 renaming when they become not-used_alone.
8205 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8207 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8208 relocation and relocation stubs.
8210 2006-05-08 Eric Christopher <echristo@apple.com>
8212 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8215 2006-05-08 Jan Hubicka <jh@suse.cz>
8218 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8219 unused static functions are needed.
8221 2006-05-08 Roger Sayle <roger@eyesopen.com>
8224 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8225 of a reg_equiv_constant if the result is a legitimate constant.
8227 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8230 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8231 standard 80387 constants, raise the cost to prevent
8232 compress_float_constant() to generate load from memory.
8234 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8236 * config/arm/constraints.md (c): Fix a typo.
8238 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8241 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8244 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8246 (_mm_mwait): Likewise.
8248 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8250 (sse3_monitor): Make it 32bit only.
8251 (sse3_monitor64): New. 64bit monitor.
8253 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8256 * config/i386/i386.c (classify_argument): Skip fields with invalid
8259 2006-05-07 Richard Guenther <rguenther@suse.de>
8261 PR tree-optimization/27409
8262 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8263 Do not try to find zero-sized subvars.
8265 2006-05-07 Richard Guenther <rguenther@suse.de>
8267 PR tree-optimization/27136
8268 * tree-ssa-loop-niter.c (get_val_for): Correct function
8269 comment, assert requirements.
8270 (loop_niter_by_eval): Stop processing if the iterated
8271 value did not simplify.
8273 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8275 * opts.c (flag_see): remove its setting at -O3.
8277 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8279 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8280 * arm/constraints.md: New file.
8281 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8282 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8283 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8284 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8285 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8286 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8287 * arm.md: Include constraints.md.
8288 (thumb_movsi_insn): Use satisfies_constraint_J.
8289 (movhi, movqi): Use satisfies_constraint_I.
8291 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8293 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8294 for atmeg a645 device.
8296 2006-05-06 Richard Guenther <rguenther@suse.de>
8298 PR tree-optimization/27151
8299 * tree-vect-transform.c (vectorizable_condition): Punt on
8300 values that have a different type than the condition.
8302 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8305 * c-parser.c (c_parser_cast_expression): Only insert casts into
8306 hash table if pointer.
8307 * function.c (used_types_insert_helper): Rename from
8309 (used_types_insert): Call used_types_insert_helper.
8310 * function.h (used_types_insert): Accept only one argument.
8312 2006-05-05 David Edelsohn <edesohn@gnu.org>
8314 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8315 scratch with output modifier.
8317 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8320 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8321 with output modifier.
8323 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8326 * config/mips/mips.c (mips_symbolic_address_p): Return true
8327 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8328 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8330 2006-05-04 Richard Guenther <rguenther@suse.de>
8332 PR tree-optimization/14287
8333 PR tree-optimization/14844
8334 PR tree-optimization/19792
8335 PR tree-optimization/21608
8336 PR tree-optimization/27090
8337 * tree-ssa-pre.c (try_combine_conversion): New function.
8338 (compute_avail): After constructing the value-handle
8339 expression, use try_combine_conversion to combine NOP_EXPRs
8340 with previous value-handle expressions and use the result if it
8343 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8345 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8347 2006-05-04 Jan Hubicka <jh@suse.cz>
8350 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8352 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8354 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8355 that this only matches CONST_INTs. All users changed to VOIDmode
8358 * config/bfin/bfin.c: Include "optabs.h".
8359 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8361 (enum bfin_builtins): Add a number of fractional and vector builtins.
8362 (bfin_init_builtins): Likewise.
8363 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8364 (safe_vector_operand, bfin_expand_binop_builtin,
8365 bfin_expand_unop_builtin): New functions.
8366 (bfin_expand_builtin): Handle the new builtins.
8367 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8370 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8373 * Makefile.in (OBJS-common): Add see.o.
8374 (see.o): Add dependencies.
8375 * common.opt (fsee): New flag for the see optimization was added.
8376 * opts.c (flag_see): Initialized.
8377 * passes.c (init_optimization_passes, pass_see): New pass.
8378 * rtl.h (see_main): Declaration as extern.
8379 * timevar.def (TV_SEE): New.
8380 * tree-pass.h (pass_see): Declaration as extern.
8381 * invoke.texi (-fsee): Document.
8382 * recog.c (validate_simplify_insn): New function.
8383 * recog.h (validate_simplify_insn): Declaration as extern.
8384 * df-problems.c (df_chain_dump): Check for NULL.
8386 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8387 Daniel Berlin <dberlin@dberlin.org>
8389 * cfgrtl.c (insert_insn_bb_end_new): New function.
8390 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8392 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8394 * df.h (struct web_entry): Moved from web.c.
8395 (union_defs): Declaration as extern.
8396 (unionfind_root): Likewise.
8397 (unionfind_union): Likewise.
8398 * web.c (struct web_entry): Moved to df.h.
8399 (unionfind_root): Remove static declaration.
8400 (unionfind_union): Likewise.
8401 (union_defs): Likewise and generalize to use callback function.
8402 (web_main): Update arguments for union_defs function call.
8404 2006-05-04 Richard Guenther <rguenther@suse.de>
8406 PR tree-optimization/26447
8407 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8408 produce SSA_NAME copies before the store stmt to avoid
8409 breaking exception handling.
8411 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8414 * gimplify.c (omp_is_private): If var is shared in some outer context,
8415 return false instead of true. Stop searching on parallel context
8418 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8421 * coverage.c: Use get_gcov_unsigned_t() instead of
8422 unsigned_type_node all over.
8424 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8426 PR tree-optimization/27381
8427 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8428 maintain the same immediate_use links.
8429 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8430 node rather than segfaulting.
8432 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8435 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8436 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8437 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8439 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8441 Fix PR tree-optimization/26626
8442 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8444 * tree-ssa-operands.c (access_can_touch_variable): Allow
8445 typecasting through union pointers.
8447 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8450 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8451 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8452 to find if var will be a global variable even in the nested context.
8453 (omp_copy_decl): Only check for global variable at the end, it might
8454 be overridden in outer contexts.
8455 (scan_sharing_clauses): For global variables don't create a field.
8456 (lower_rec_input_clauses): Do nothing for global shared variables.
8457 Emit a barrier at the end of ILIST if there were any decls in both
8458 firstprivate and lastprivate clauses.
8459 (lower_send_clauses): Do nothing for global variables except for
8462 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8464 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8465 of the correct signedness is returned.
8467 2006-05-02 Jeff Law <law@redhat.com>
8469 PR tree-optimization/27364
8470 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8471 multiply expressions.
8473 2006-05-02 Tom Tromey <tromey@redhat.com>
8475 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8477 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8480 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8481 -mthumb -fPIC are used.
8483 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8484 Joshua Kinard <kumba@gentoo.org>
8487 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8488 with 64-bit pointers.
8490 2006-05-02 Paul Brook <paul@codesourcery.com>
8492 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8494 (create_fix_barrier): Check that a suitable barrier location is
8496 (arm_reorg): Include ftmp->address in allowable range of addresses.
8498 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8501 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8504 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8507 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8508 around RESULT_DECL for result passed by reference.
8509 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8510 * omp-low.c (use_pointer_for_field): Don't look at
8511 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8512 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8513 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8514 time or var for passing by reference for
8515 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8516 TREE_ADDRESSABLE variables when passing by reference.
8518 * omp-low.c (dump_omp_region): Fix output formatting.
8521 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8522 (expand_omp_parallel): Likewise.
8523 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8526 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8527 on statement list containing also constructors and destructors.
8528 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8531 * except.c (duplicate_eh_regions): Fix clearing of
8532 cfun->eh->region_array entries.
8534 2006-05-01 DJ Delorie <dj@redhat.com>
8536 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8538 (gcc_cv_objdump): Likewise.
8539 * configure: Regenerated.
8541 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8544 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8545 templates for case 3 and 4.
8547 2006-05-01 DJ Delorie <dj@redhat.com>
8549 * vec.c: Include bconfig.h when appropriate.
8550 * Makefile.in (build/vec.o): Adjust dependencies.
8551 * mkconfig.sh: Make sure config.h isn't used for build machine
8554 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8556 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8558 (mark_phi_for_rewrite): New function.
8559 (insert_phi_nodes_for, mark_use_interesting): Call
8560 mark_phi_for_rewrite.
8561 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8562 (update_ssa): Initialize and free phis_to_rewrite.
8564 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8566 PR rtl-optimization/27291
8567 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8568 folded to a constant.
8570 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8572 PR tree-optimization/27283
8573 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8574 not whole # of iteration descriptions.
8575 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8576 uses abnormal ssa name.
8577 (niter_for_single_dom_exit): Ditto.
8578 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8579 return just the number of iterations.
8581 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8583 PR tree-optimization/27144
8584 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8585 (record_estimate): Only record constant upper bound.
8586 (infer_loop_bounds_from_undefined): Call
8587 compute_estimated_nb_iterations just once.
8588 (proved_non_wrapping_p): Renamed to ...
8589 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8590 (convert_step_widening, scev_probably_wraps_p): Call
8591 n_of_executions_at_most instead of proved_non_wrapping_p.
8592 (substitute_in_loop_info): Do not replace values in bounds.
8593 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8596 2006-05-01 Richard Henderson <rth@redhat.com>
8599 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8600 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8603 2006-05-01 Roger Sayle <roger@eyesopen.com>
8605 * c-typeck.c (parser_build_binary_op): Don't call the function
8606 unsigned_conversion_warning to spot operand/result type overflow.
8607 (build_binary_op): Instead, call convert_and_check instead of
8608 convert to report the problem when the operands are promoted.
8609 * c-common.c (unsigned_conversion_warning): Make static.
8610 * c-common.h (unsigned_conversion_warning): Delete prototype.
8612 2006-05-01 Richard Guenther <rguenther@suse.de>
8614 PR tree-optimization/26726
8615 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8617 (find_interesting_uses_address): ... we work around here
8618 by folding INDIRECT_REFs in the substituted base.
8620 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8622 * omp-low.c (dump_omp_region): Add newlines.
8624 2006-04-30 Roger Sayle <roger@eyesopen.com>
8626 * common.opt (Woverflow): New command line option.
8627 * c-common.c (constant_expression_warning): Check warn_overflow.
8628 (overflow_waring): Pass OPT_Woverflow to warning.
8629 (unsigned_conversion_warning): Likewise.
8630 (convert_and_check): Likewise.
8631 * doc/invoke.texi: Document new command line option.
8633 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8635 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8636 TARGET_NO_FP_IN_TOC for section anchors.
8637 (optimization_options): Enable section anchors for all
8638 non-"Objective" languages.
8640 2006-04-28 Eric Christopher <echristo@apple.com>
8642 * config/darwin-c.c (darwin_ms_struct): Move this
8643 (darwin_set_default_type_attributes): and this...
8644 * config/darwin.c: ... here.
8645 * config/darwin.h (darwin_ms_struct): Declare.
8647 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8649 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8651 2006-04-28 Roger Sayle <roger@eyesopen.com>
8654 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8655 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8656 an unsigned HOST_WIDE_INT.
8657 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8659 (really_start_incremental_init): No need to call convert because
8660 bitsize_zero_node is already of type bitsizetype.
8661 (push_init_level): Extract the value of constructor_index as an
8662 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8663 (process_init_element): Likewise.
8665 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8667 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8668 value before passing to make_relative_prefix.
8670 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8673 * builtins.c (expand_builtin_memset): Expand val in original mode.
8675 2006-04-27 Eric Christopher <echristo@apple.com>
8677 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8678 with #ifndef/#endif.
8679 * config/darwin-c.c (darwin_ms_struct): New.
8680 (darwin_pragma_ms_struct): Ditto.
8681 (darwin_set_default_type_attributes): Ditto.
8682 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8683 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8684 Register ms_struct pragma.
8685 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8686 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8687 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8688 darwin_set_default_type_attributes if TARGET_MACHO.
8690 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8692 PR tree-optimization/26854
8693 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8694 * doc/tree-ssa.texi: Update immuse iterator documentation.
8695 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8696 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8697 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8698 first_safe_imm_use, next_safe_imm_use): Remove.
8699 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8700 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8701 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8702 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8703 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8704 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8705 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8706 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8707 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8708 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8709 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8710 (perfect_nestify): Use new iterator.
8711 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8713 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8714 (next_imm_name): New field in struct immediate_use_iterator_d.
8715 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8716 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8717 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8718 * tree-cfg.c (replace_uses_by): Use new iterator.
8719 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8720 * tree-ssa-operands.c (correct_use_link): Remove.
8721 (finalize_ssa_use_ops): No longer call correct_use_link.
8723 2006-04-27 Stuart Hastings <stuart@apple.com>
8725 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8726 * config/t-darwin (crt3.o): Use it.
8727 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8728 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8729 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8730 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8731 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8734 2006-04-27 Roger Sayle <roger@eyesopen.com>
8736 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8737 size, force the intermediate into a new pseudo rather instead of
8738 performing both a bitwise AND and a bitwise IOR in memory.
8740 2006-04-27 Richard Guenther <rguenther@suse.de>
8742 PR rtl-optimization/26685
8743 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8744 this one "max-flow-memory-locations".
8746 2006-04-27 Richard Guenther <rguenther@suse.de>
8748 PR tree-optimization/25148
8749 * tree-vrp.c (compare_values): Remove code dealing with
8750 comparisons against type min/max value. Honour overflow
8751 and negative constants in code dealing with comparisons
8752 of plus and minus expressions.
8753 (value_inside_range): Use fold_binary with LE_EXPR and
8754 GE_EXPR rather than compare_values.
8756 2006-04-27 Dirk Mueller <dmueller@suse.de>
8758 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8761 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8763 * basic-block.h (safe_insert_insn_on_edge): Removed.
8764 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8766 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8767 Paolo Bonzini <bonzini@gnu.org>
8770 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8771 (simplify_and_const_int): Same.
8773 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8775 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8777 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8780 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8781 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8782 cgraph_global_info_ready.
8785 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8788 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8789 either decl or init is error_mark_node.
8792 * tree-flow.h (struct omp_region): Add sched_kind.
8793 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8794 instead of extracting omp for data.
8795 (expand_omp_for): Save extracted sched_kind.
8797 2006-04-25 Roger Sayle <roger@eyesopen.com>
8799 * expmed.c (store_bit_field): Also check whether the bitsize is
8800 valid for the machine's "insv" instruction before moving the
8801 target into a pseudo for use with the insv.
8802 * config/i386/predicates.md (const8_operand): New predicate.
8803 * config/i386/i386.md (extv, extzv, insv): Use the new
8804 const8_operand predicate where appropriate.
8806 2006-04-25 DJ Delorie <dj@redhat.com>
8808 * doc/install.texi (Specific): Clarify that this is not a list of
8809 supported hosts or targets.
8811 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8813 PR rtl-optimization/26725
8814 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8815 block's BB_DIRTY flag.
8817 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8819 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8822 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8823 to print an integer.
8825 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8827 * varasm.c (align_variable): New function.
8828 (get_block_for_decl): Apply align_variable to DECL before
8829 calculating section information.
8830 (assemble_variable): Split out alignment computation.
8832 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8834 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8837 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8839 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8840 MODE_PARTIAL_INT mode.
8841 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8842 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8844 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8845 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8847 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8849 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8851 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8852 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8853 MACFLAG_IH): Likewise.
8854 (movstricthi_1): Renamed from "*movstricthi".
8855 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8856 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8857 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8858 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8859 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8860 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8861 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8862 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8863 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8864 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8865 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8866 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8867 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8868 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8869 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8871 * doc/rtl.texi (ss_ashift): Improve wording.
8873 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8875 * dwarf2out.c (verify_marks_clear): New.
8876 (prune_unused_types): Call verify_marks_clear initially, not
8879 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8881 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8882 * doc/rtl.texi: Document them.
8883 * simplify-rtx.c (simplify_unary_operation,
8884 simplify_binary_operation_1): Don't abort when we see them.
8886 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8889 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8890 * configure.ac: Completely disregard languages that are not
8892 * configure: Regenerated.
8894 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8895 Richard Guenther <rguenther@suse.de>
8897 PR tree-optimization/27236
8898 * tree-inline.c (copy_body_r): Make sure to copy
8899 TREE_THIS_VOLATILE flag.
8901 2006-04-24 Richard Guenther <rguenther@suse.de>
8904 * tree-complex.c (update_parameter_components): Don't handle
8905 unused parameters which have no default def.
8907 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8908 Richard Guenther <rguenther@suse.de>
8910 PR tree-optimization/27218
8911 * tree-inline.c (expand_call_inline): Strip useless type
8912 conversions for the return slot address.
8914 2006-04-24 Richard Guenther <rguenther@suse.de>
8916 * cfgloop.h (struct loops): Remove unused field array. Reorder
8918 (LOOP_PREFETCH): Remove.
8920 2006-04-24 Richard Guenther <rguenther@suse.de>
8922 PR tree-optimization/22525
8923 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8924 variable, adjust types of generated expressions.
8926 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8928 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8929 (tree-vect-patterns.o): Likewise.
8931 (cselib.o): Likewise.
8932 (loop-doloop.o): Likewise.
8933 (regclass.o): Likewise.
8934 (reload1.o): Likewise.
8935 (explow.o): Replace target.h with $(TARGET_H).
8936 (ipa-prop.o): Likewise.
8937 (ipa-cp.o): Likewise.
8938 (ipa-inline.o): Likewise.
8939 (reorg.o): Likewise.
8940 (reg-stack.o): Likewise.
8942 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8944 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8946 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8948 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8950 * configure.ac: Completely disregard languages that are not
8952 * configure: Regenerated.
8955 * c-common.h (c_build_bitfield_integer_type): Declare.
8956 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8957 * c-common.c (c_build_bitfield_integer_type): ... here.
8959 2006-04-23 Roger Sayle <roger@eyesopen.com>
8962 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8963 a SImode SUBREG of a floating point register after no_new_pseudos.
8965 2006-04-23 Roger Sayle <roger@eyesopen.com>
8967 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8968 identify potentially eliminable registers to additionally catch
8969 VIRTUAL_INCOMING_ARGS_REGNUM.
8970 (addsi3): Update the conditions on when to use addsi_small_int.
8972 2006-04-23 Roger Sayle <roger@eyesopen.com>
8975 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8976 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8977 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8979 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8981 * fold-const.c (range_predecessor): Use operand_equal_p
8982 as the predicate for equality.
8983 (range_successor): Likewise.
8985 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8988 * config/soft-fp/op-common.h: Fix a typo.
8990 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8993 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8994 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8996 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8998 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9000 * doc/tm.texi: Fix a typo.
9002 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9004 * dwarf2out.c (struct die_struct): Document that die_sib makes
9005 a circular linked list.
9006 (FOR_EACH_CHILD): New.
9007 (reverse_die_lists): Delete.
9008 (reverse_all_dies): Delete.
9009 (add_dwarf_attr): Correct documentation.
9010 (remove_child_with_prev): New.
9011 (remove_child_TAG): Update for change to die_struct, use
9012 remove_child_with_prev.
9013 (add_child_die): Update for change to die_struct.
9014 (splice_child_die): Use remove_child_with_prev and add_child_die.
9015 (print_die): Use FOR_EACH_CHILD.
9016 (die_checksum): Likewise.
9017 (assign_symbol_names): Likewise.
9018 (output_location_lists): Likewise.
9019 (build_abbrev_table): Likewise.
9020 (calc_die_sizes): Likewise.
9021 (mark_dies): Likewise.
9022 (unmark_dies): Likewise.
9023 (unmark_all_dies): Likewise.
9024 (output_die): Likewise.
9025 (prune_unused_types_mark): Likewise.
9026 (prune_unused_types_walk): Likewise.
9027 (same_die_p): Update for change to die_struct.
9028 (break_out_includes): Likewise.
9029 (prune_unused_types_prune): Likewise.
9030 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9031 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9033 (dwarf2out_finish): Don't call reverse_all_dies.
9035 2006-04-21 Eric Christopher <echristo@apple.com>
9037 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9038 in comments and function names.
9040 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9043 * c-typeck.c (digest_init): Robustify.
9045 * c-typeck.c (pop_init_level): Simplify.
9047 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9049 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9051 2006-04-21 Paul Brook <paul@codesourcery.com>
9053 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9054 hardware floating point.
9056 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9058 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9061 2006-04-21 Nick Clifton <nickc@redhat.com>
9063 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9066 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9069 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9070 C++ lang type in traceback table for Objective-C++.
9072 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9074 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9076 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9078 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9081 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9082 were errors. Remove check for erroneous objects.
9084 2006-04-20 Jeff Law <law@redhat.com>
9086 PR tree-optimization/26854
9087 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9088 checking for zero or one use.
9089 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9090 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9091 * tree-ssa-reassoc.c (negate_value): Similarly.
9092 (reassociate_bb): Similarly.
9094 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9096 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9097 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9098 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9100 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9102 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9103 fp regs if the last fp arg doesn't fit in regs.
9105 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9108 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9109 that the last insn has the REG_INC note.
9111 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9112 Nathan Sidwell <nathan@codesourcery.com>
9115 * stor-layout.c (update_alignment_for_field): Do not align
9117 (place_union_field): Place union field at the start of the union.
9118 (place_field): Move ERROR_MARK check later, and use the current
9119 allocation position to maintain monotonicity.
9121 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9123 * dominance.c: Include timevar.h.
9124 (calculate_dominance_info): Use TV_DOMINANCE.
9125 * timevar.def (TV_DOMINANCE): New timevar.
9126 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9128 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9130 PR rtl-optimization/14261
9131 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9132 move would be an INSV insn.
9133 (noce_process_if_block): Don't optimize if the destination is a
9134 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9136 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9138 * config/s390/s390.md: Add comments with the instructions emitted
9139 by an insn pattern if macros are used.
9141 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9143 PR rtl-optimization/26026
9144 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9145 is a known power of two shifted left a variable amount.
9147 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9149 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9150 to hash table twice when the debug_str section has SECTION_MERGE.
9152 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9154 * config/soft-fp: New directory. From glibc.
9155 * config/soft-fp/t-softfp: New.
9156 * config/soft-fp/README: New.
9157 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9158 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9159 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9160 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9161 * config.gcc: Use rs6000/t-fprules-fpbit or
9162 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9164 * config/rs6000/sfp-machine.h: New. Based on glibc.
9165 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9167 * config/rs6000/t-fprules: Remove fp-bit rules.
9168 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9169 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9170 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9171 (softfp_wrap_start, softfp_wrap_end): New.
9173 2006-04-18 DJ Delorie <dj@redhat.com>
9175 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9177 2006-04-18 Devang Patel <dpatel@apple.com>
9179 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9181 2006-04-18 Nick Clifton <nickc@redhat.com>
9183 * config/sh/t-symbian: Add rule to build sh-c.o
9184 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9185 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9186 (sh_symbian_encode_section_info): Likewise.
9188 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9190 * builtins.c (expand_builtin_strcmp): Cover label definition of
9191 do_libcall with HAVE_cmpstrnsi.
9193 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9195 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9197 * function.h (temp_slot_p): New.
9198 (function): Change the type of x_used_temp_slots to
9199 VEC(temp_slot_p,gc) *.
9201 2006-04-18 Nick Clifton <nickc@redhat.com>
9203 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9204 flag_strength_reduce.
9206 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9208 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9212 Partial revert of revision 112637
9213 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9214 Dale Johannesen <dalej@apple.com>
9217 * regclass.c (struct reg_pref): Update documentation.
9218 (regclass): Set prefclass to NO_REGS if memory is the best option.
9219 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9221 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9223 PR tree-optimization/26821
9224 * tree-ssa-math-opts.c (get_constant_one): New.
9225 (insert_reciprocals): Use it.
9227 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9229 * dwarf2out.c (free_AT): Delete.
9230 (remove_AT): Update string ref counts.
9231 (remove_child_TAG): Don't call free_die.
9233 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9234 or DW_TAG_GNU_EINCL.
9235 (prune_unused_types_walk_attribs): Reset string refcounts.
9236 (prune_unused_types_update_strings): New.
9237 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9238 call free_die. Do call prune_unused_types_update_strings.
9239 (prune_unused_types): Empty debug_str_hash.
9241 2006-04-17 Roger Sayle <roger@eyesopen.com>
9243 * expr.c (expand_assignment): Optimize away no-op moves where the
9244 source and destination are equal and have no side-effects.
9246 2006-04-17 Richard Guenther <rguenther@suse.de>
9249 * reload.c (push_reload): Guard calls to get_secondary_mem
9252 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9254 * alias.c (reg_base_value, old_reg_base_value): Change the
9255 type to VEC(rtx,gc) *.
9256 (REG_BASE_VALUE, find_base_value, record_set,
9257 init_alias_analysis): Use VEC instead of VARRAY.
9259 * alias.c (alias_sets): Change the type to
9260 VEC(alias_set_entry,gc) *.
9261 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9262 VEC instead of VARRAY.
9263 (last_alias_set): Remove.
9265 * cgraph.h (cgraph_edge_p): New.
9266 Update the prototype of cgraph_function_versioning.
9267 * cgraphunit.c (cgraph_copy_node_for_versioning,
9268 cgraph_function_versioning): Use VEC instead of VARRAY.
9269 * ipa-cp.c (ipcp_insert_stage): Likewise.
9271 2006-04-16 Roger Sayle <roger@eyesopen.com>
9274 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9275 "A op B" or "A op C", we may need to convert A to the type of B and C.
9277 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9279 * target.h (struct gcc_target): Add mode_rep_extended.
9280 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9281 (init_num_sign_bit_copies_in_rep): Initialize it using
9283 (truncate_to_mode): Use it.
9284 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9285 * targhooks.h (default_mode_rep_extended): Declare it.
9286 * targhooks.c (default_mode_rep_extended): Define it.
9287 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9288 default_mode_rep_extended.
9289 (TARGET_INITIALIZER): Include it.
9290 * doc/tm.texi (Misc): Document it.
9291 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9292 (mips_truncated_to_mode): New function.
9294 2006-04-16 Roger Sayle <roger@eyesopen.com>
9297 * expr.c (compress_float_constant): Copy the narrow constant into
9298 a new pseudo before extending it to its final width.
9300 2006-04-16 Roger Sayle <roger@eyesopen.com>
9301 Andrew Pinski <pinskia@gcc.gnu.org>
9302 Dale Johannesen <dalej@apple.com>
9305 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9306 special case code to implement V8HImode and V16QImode with SSE2.
9308 2006-04-15 Roger Sayle <roger@eyesopen.com>
9310 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9311 trees are constructed with a suitable tree type.
9313 2006-04-15 Roger Sayle <roger@eyesopen.com>
9315 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9316 (integer_onep): Likewise.
9317 (integer_all_onesp): Likewise.
9318 (integer_pow2p): Likewise.
9319 (integer_nonzerop): Likewise.
9320 (real_zerop): Likewise.
9321 (real_onep): Likewise.
9322 (real_twop): Likewise.
9323 (real_minus_onep): Likewise.
9324 (int_size_in_bytes): Likewise.
9325 (host_integerp): Likewise.
9327 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9329 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9330 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9331 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9333 * tree-ssa-structalias.h (alias_info): Remove num_references.
9335 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9337 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9338 (output_bvb patterns): Likewise.
9339 * pa.c (output_bb): Use 'bb' insn for long branch case.
9340 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9341 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9342 1. Correct length operand for alternatives 1 and 2.
9343 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9344 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9346 2006-04-14 Roger Sayle <roger@eyesopen.com>
9348 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9349 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9350 were accidentally reverted by r112959.
9352 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9355 * except.h (eh_region_outermost): New prototype.
9356 * except.c (eh_region_outermost): New function.
9357 * tree-cfg.c (find_outermost_region_in_block): Use it.
9359 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9361 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9363 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9364 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9365 (init_reload, reload): Use VEC instead of VARRAY.
9366 * reload.h: Update the prototype for
9367 reg_equiv_memory_loc_varray.
9369 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9370 Eric Botcazou <ebotcazou@libertysurf.fr>
9372 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9375 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9378 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9379 to expand fallback builtin function call.
9381 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9384 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9385 and emit libcall here in case the builtin fails.
9386 (expand_builtin_strcmp): Always emit the libcall here on failure.
9388 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9390 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9391 * flow.c (reg_n_info): Change the type to
9392 VEC(reg_info_p,heap) *.
9393 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9395 * regs.h (reg_info_p): New.
9396 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9397 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9398 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9401 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9403 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9405 * params.h (MAX_SCHED_READY_INSNS): New macro.
9406 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9407 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9408 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9409 the ready list for 1 cycle during the first scheduling pass.
9410 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9412 2006-04-13 Richard Henderson <rth@redhat.com>
9415 * gimple-low.c (lower_omp_directive): Remove dead code.
9416 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9417 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9418 * omp-low.c (struct omp_region): Move to tree-flow.h.
9419 (root_omp_region): Export.
9420 (omp_regions, lookup_omp_region): Remove.
9421 (determine_parallel_type): Update for struct omp_region changes.
9422 (dump_omp_region): Dump regions with block numbers.
9423 (new_omp_region): Take type and block instead of stmt; malloc
9425 (free_omp_region_1, free_omp_regions): New.
9426 (expand_parallel_call): Take entry_stmt as argument; update for
9427 changes to omp_region.
9428 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9429 (remove_exit_barriers): New.
9430 (expand_omp_parallel): Update for struct omp_region changes.
9431 (expand_omp_synch): Likewise.
9432 (expand_omp): Likewise.
9433 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9434 (expand_omp_for_static_chunk): Likewise.
9435 (expand_omp_for): Likewise.
9436 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9437 (expand_omp_sections): Similarly, with GOMP_sections_end.
9438 (expand_omp_single): New.
9439 (build_omp_regions_1): Update for OMP_CONTINUE.
9440 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9441 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9442 OMP_SECTIONS_SECTIONS.
9443 (lower_omp_single_simple): Don't emit barrier here.
9444 (lower_omp_single_copy): Likewise.
9445 (lower_omp_single): Fix bindings, and lower to straightline now.
9446 (lower_omp_master, lower_omp_ordered): Likewise.
9447 (lower_omp_critical): Likewise.
9448 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9449 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9450 omp edges, free it afterward.
9451 (make_omp_sections_edges): Remove.
9452 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9453 (move_stmt_r): Handle OMP_CONTINUE.
9454 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9455 statement pointers to basic blocks. Add type member.
9456 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9457 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9458 * tree-inline.c (estimate_num_insns_1): Likewise.
9459 * tree-pretty-print.c (dump_generic_node): Likewise.
9460 * tree-ssa-operands.c (get_expr_operands): Likewise.
9461 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9462 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9463 (OMP_CONTINUE): New.
9464 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9465 (OMP_SECTIONS_SECTIONS): Remove.
9466 (OMP_SECTION_LAST): New.
9467 (OMP_RETURN_NOWAIT): New.
9469 2006-04-13 Roger Sayle <roger@eyesopen.com>
9471 * fold-const.c (native_encode_vector, native_interpret_real):
9472 Correct obvious mistakes in the previous check-in.
9474 2006-04-13 Roger Sayle <roger@eyesopen.com>
9476 * fold-const.c (native_encode_expr): New function to encode
9477 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9478 or VECTOR_CST into a specified buffer.
9479 (native_encode_int): New function.
9480 (native_encode_real): New function.
9481 (native_encode_complex): New function.
9482 (native_encode_vector): New function.
9483 (native_interpret_expr): Inverse of native_encode_expr to convert
9484 a target representation into an INTEGER_CST, REAL_CST etc...
9485 (native_interpret_int): New function.
9486 (native_interpret_real): New function.
9487 (native_interpret_complex): New function.
9488 (native_interpret_vector): New function.
9489 (fold_view_convert_expr): New function to constant fold/evaluate
9490 a VIEW_CONVERT_EXPR of a suitable constant expression.
9491 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9492 Change call of build1 to fold_build1 when constructing a
9495 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9496 Ulrich Weigand <uweigand@de.ibm.com>
9499 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9502 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9505 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9506 optimize to lo_sum for DFmode if !TARGET_FPRS.
9508 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9510 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9511 delete_alias_info, compute_flow_sensitive_aliasing,
9512 group_aliases): Use VEC instead of VARRAY.
9513 * tree-ssa-structalias.c (update_alias_info): Likewise.
9514 * tree-ssa-structalias.h (alias_info): Change the type of
9515 processed_ptrs to VEC(tree,heap) *.
9517 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9520 * config/sh/lib1funcs.h: New file, broken out of:
9521 * config/sh/lib1funcs.asm.
9522 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9524 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9525 * config/sh/lib1funcs-Os-4-200.asm: New file.
9526 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9527 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9528 (EXTRA_MULTILIB_PARTS): Include it.
9529 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9530 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9531 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9532 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9535 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9537 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9538 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9539 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9541 * tree-ssa-live.h: Include vecprim.h.
9542 (tree_partition_associator_d): Change the type of
9543 first_partition to VEC(int,heap) *.
9544 (tpa_first_partition): Use VEC instead of VARRAY.
9546 * Makefile.in (GTFILES): Move functions.h after tree.h.
9547 * function.c (reset_block_changes, record_block_change,
9548 check_block_change, free_block_changes): Use VEC instead of
9550 * function.h (function): Change the type of
9551 ib_boundaries_block to VEC(tree,gc) *.
9552 * tree-inline.c (copy_cfg_body): Initialize
9553 ib_boundaries_block to NULL instead of (varray_type) 0.
9555 2006-04-12 Roger Sayle <roger@eyesopen.com>
9557 * expr.c (emit_group_store): Correct operand order in call to
9558 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9559 a SUBREG_BYTE of zero.
9561 2006-04-12 Richard Guenther <rguenther@suse.de>
9563 * profile.c (compute_branch_probabilities): Remove code
9564 encapsulated in !ir_type (), which are remanents of the
9565 removed RTL profiling code.
9566 * rtl-profile.c: Remove.
9568 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9570 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9571 magic NULL_RTX comment.
9572 (function_arg): Store entire fp arg to mem if any part should go
9574 (rs6000_arg_partial_bytes): Adjust for above change.
9576 2006-04-11 Roger Sayle <roger@eyesopen.com>
9578 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9579 if it hasn't been initialized by dwarf2out_init.
9581 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9583 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9584 symbolic constants in branch patterns.
9586 2006-04-11 Roger Sayle <roger@eyesopen.com>
9588 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9590 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9592 PR rtl-optimization/27073
9593 * gcse.c (try_replace_reg): Revert last change. Continue to search
9594 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9597 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9599 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9600 aggregate types other than record and union types.
9601 (function_arg): Likewise.
9602 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9604 (function_value): In 64-bit mode, return objects that require it
9607 2006-04-11 Roger Sayle <roger@eyesopen.com>
9609 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9611 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9613 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9615 2006-04-03 Jeff Law <law@redhat.com>
9618 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9619 alias information too.
9621 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9623 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9625 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9628 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9629 (premark_used_types_helper): New.
9630 (premark_used_types): New.
9631 (gen_subprogram_die): Call premark_used_types.
9632 (prune_unused_types_walk): Do not prune perennial dies.
9633 * function.c (used_types_insert): New.
9634 * function.h (struct function): Add used_types_hash field.
9635 (used_types_insert): Add prototype.
9636 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9637 * c-parser.c (c_parser_cast_expression): Save casted types in used
9640 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9643 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9644 rs6000_explicit_options.float_gprs.
9646 2006-04-10 Roger Sayle <roger@eyesopen.com>
9648 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9649 from ix86_expand_vector_init_low_nonzero. Take an additional
9650 one_var argument indicating which element is non-zero. Support
9651 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9652 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9653 with one_var instead of ix86_expand_vector_init_low_nonzero.
9655 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9657 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9658 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9659 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9660 build/genextract.o): Depend on vecprim.h.
9661 * cfglayout.c, df-problems.c, function.c, genextract.c,
9662 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9663 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9667 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9669 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9670 Declare VECs of this type.
9671 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9672 (remove_children): Delete.
9673 (add_dwarf_attr): Use VEC routines.
9674 (add_AT_flag): Update for changes to add_dwarf_attr.
9675 (add_AT_int): Likewise.
9676 (add_AT_unsigned): Likewise.
9677 (add_AT_long_long): Likewise.
9678 (add_AT_vec): Likewise.
9679 (add_AT_string): Likewise.
9680 (add_AT_die_ref): Likewise.
9681 (add_AT_fde_ref): Likewise.
9682 (add_AT_loc): Likewise.
9683 (add_AT_loc_list): Likewise.
9684 (add_AT_addr): Likewise.
9685 (add_AT_lbl_id): Likewise.
9686 (add_AT_lineptr): Likewise.
9687 (add_AT_macptr): Likewise.
9688 (add_AT_offset): Likewise.
9689 (add_AT_range_list): Likewise.
9690 (get_AT): Use VEC_iterate.
9691 (remove_AT): Use VEC_ordered_remove.
9692 (free_die): Fold remove_children into here; have it use VEC_iterate.
9693 (print_die): Use VEC_iterate on attrs.
9694 (reverse_die_lists): Don't reverse attr lists.
9695 (die_checksum): Use VEC_iterate on attrs.
9696 (same_die_p): Likewise.
9697 (output_location_lists): Likewise.
9698 (build_abbrev_table): Likewise.
9699 (size_of_die): Likewise.
9700 (unmark_all_dies): Likewise.
9701 (output_abbrev_section): Likewise.
9702 (output_die): Likewise.
9703 (prune_unused_types_walk_attribs): Likewise.
9705 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9707 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9709 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9712 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9714 2006-04-09 Roger Sayle <roger@eyesopen.com>
9716 * expr.c (store_constructor): Don't bother clearing target if
9717 we're about to assign a vector to it using vec_init_optab.
9719 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9721 * tree-ssa-alias.c (lhs_may_store_to): New function.
9722 (recalculate_used_alone): Handle LHS of calls.
9724 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9728 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9729 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9730 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9731 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9732 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9733 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9734 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9735 stubs. Add ".align 8" directives before all ".dword" directives.
9736 (GTHREAD_USE_WEAK): Revise comment.
9737 (TARGET_ATTRIBUTE_WEAK): Define.
9738 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9739 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9740 * stublib.c: New file.
9745 * pa.md (cbranch patterns): Revise arguments used in calls to
9746 output_cbranch, output_bb and output_bvd. Add long branch length
9748 (fbranch patterns): Handle long branches.
9749 (jump): Revise length check. Revise arguments for output_lbranch call.
9750 Add long branch length attributes.
9751 (decrement_and_branch_until_zero): Add long branch length attributes.
9752 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9753 Likewise. Revise arguments for output_parallel_addb and
9754 output_parallel_movb calls.
9755 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9756 output_parallel_movb and output_parallel_addb): Update prototypes.
9757 * pa.c (output_cbranch): Revise arguments. Correct handling of
9758 nullification in long branches.
9759 (output_lbranch): Add new argument to control extraction of delay
9761 (output_bb): Handle long branches.
9762 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9763 output_parallel_addb): Likewise.
9765 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9767 PR rtl-optimization/27073
9768 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9771 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9773 * tree.h (tree_memory_tag): Add old_used_alone.
9774 (SMT_OLD_USED_ALONE): New macro.
9775 * tree-ssa-alias.c (recalculate_used_alone): Stop
9776 marking things for renaming unnecessarily.
9778 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9780 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9781 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9782 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9783 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9784 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9785 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9786 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9787 spelling convensions.
9788 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9789 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9790 typos. Follow spelling conventions.
9792 2006-04-07 DJ Delorie <dj@redhat.com>
9794 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9795 passed on the stack.
9796 (m32c_init_cumulative_args): When a function returns a structure,
9797 always pass the pointer to that return area on the stack.
9798 (m32c_function_arg_advance): Don't increment the parameter number
9799 if we're processing the returned structure pointer.
9800 (pushm_info): Reverse order of registers.
9802 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9804 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9805 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9806 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9807 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9809 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9810 chrec_fold_multiply): Same.
9811 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9812 force_expr_to_var_cost): Same.
9813 * tree-mudflap.c (mf_xform_derefs_1): Same.
9814 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9816 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9818 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9819 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9822 2006-04-07 Jan Hubicka <jh@suse.cz>
9824 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9826 2006-04-07 Richard Guenther <rguenther@suse.de>
9828 PR tree-optimization/26135
9829 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9830 loads for store copy-prop.
9831 (copy_prop_visit_stmt): Likewise.
9833 2006-04-05 Robert Millan <robertmh@gnu.org>
9835 * config/i386/linux.h: Add a comment to mark macros that are
9836 being overriden in config/k*bsd-gnu.h.
9837 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9839 * config/knetbsd-gnu.h: Ditto.
9841 2006-04-06 Jan Hubicka <jh@suse.cz>
9845 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9848 2006-04-06 Mike Stump <mrs@apple.com>
9850 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9851 for HAVE_nonlocal_goto to be consistent.
9852 (expand_builtin_nonlocal_goto): Likewise.
9853 (expand_builtin_strcmp): Use #ifdef instead of #if
9854 for HAVE_cmpstrnsi to be consistent.
9856 2006-04-05 DJ Delorie <dj@redhat.com>
9858 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9861 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9863 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9864 got-relative addressing for anything but SImode.
9866 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9867 even if the calling function doesn't modify them.
9869 2006-04-05 Richard Guenther <rguenther@suse.de>
9871 PR tree-optimization/26919
9872 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9873 to cgraph_estimate_size_after_inlining.
9875 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9877 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9879 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9881 PR tree-optimization/26996
9882 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9883 VECTOR_TYPE variables.
9885 2006-04-05 Richard Guenther <rguenther@suse.de>
9887 PR tree-optimization/26763
9888 * fold-const.c (fold_comparison): Move folding of
9889 PTR + CST CMP PTR + CST ...
9890 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9892 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9894 * doc/install.texi (Prerequisites): Refine some wording on
9895 bootstrapping and ksh.
9896 Move the version numbers of DejaGnu here from the testing section
9897 and fix casing of names.
9898 Fix markup and clarify wording for autogen requirements.
9899 Refer to GCJ instead of just java.
9900 Refer to SVN instead of CVS.
9901 Describe diffutils as useful instead of necessary.
9902 (Downloading the source): Refer to SVN instead of CVS.
9903 Adjust a link to our web site accordingly.
9904 (Configuration): Fix casing of Bison.
9905 (Building): Refer to SVN instead of CVS.
9906 Fix a sentence on the use of Bison and remove duplicate (and
9907 incorrect) version number of Bison requirement.
9908 Remove one redundant list of packages needed for building.
9909 (Specific): Avoid reference to CVS.
9911 2006-04-04 Eric Christopher <echristo@apple.com>
9913 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9914 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9915 (rs6000_handle_struct_attribute): New.
9916 (rs6000_ms_bitfield_layout_p): Ditto.
9918 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9920 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9921 NULL for dso parameter to atexit_common.
9923 2006-04-04 Eric Christopher <echristo@apple.com>
9925 * config/i386/i386.c (machopic_output_stub): Output \t
9926 between instructions and operands.
9928 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9930 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9931 satisfies_constraint_[IL] to explicit tests on value.
9933 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9935 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9936 set_nb_iterations_in_loop): Use build_int_cst instead of
9938 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9939 build_int_cst instead of convert.
9941 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9943 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9944 new value 2 for incoming.
9945 * function.c (expand_function_start): Call struct_value_rtx
9947 * config/sparc/sparc.md: Comment updated_return.
9948 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9949 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9950 struct return if sparc_std_struct_return and incoming is 2.
9951 (print_operand): Do not adjust return if
9952 sparc_std_struct_return.
9954 2006-04-04 Roger Sayle <roger@eyesopen.com>
9956 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9957 convert in the middle-end.
9958 * expr.c (store_expr, store_constructor, get_inner_reference,
9959 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9961 * tree.c (build_range_type): Likewise.
9963 2006-04-04 Tom Tromey <tromey@redhat.com>
9965 * doc/install.texi (Prerequisites): Mention jar.
9967 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9969 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9972 2006-04-04 Matthias Klose <doko@debian.org>
9974 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9978 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9981 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9983 * doc/extend.texi (Function Attributes): Rewrite visibility
9984 attribute documentation.
9985 * doc/invoke.texi (C++ Dialect Options): Rewrite
9986 -fvisibility-inlines-hidden documentation to describe something
9987 entirely different, although in practise compatible.
9988 (Code Gen Options): Warn about system headers in -fvisibility=
9991 * doc/extend.texi (Other Builtins): Document that
9992 __builtin_nan is a compile-time constant only when its argument
9995 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9997 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9998 trying to remove TRUNCATE check if all bits outside the new mode
9999 are identical to the sign bit.
10001 2006-04-03 Jeff Law <law@redhat.com>
10003 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10004 and operand scanning in some common cases.
10006 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10007 Dale Johannesen <dalej@apple.com>
10010 * regclass.c (struct reg_pref): Update documentation.
10011 (regclass): Set prefclass to NO_REGS if memory is the best option.
10012 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10013 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10014 into account. For non-registers, equate an empty preferred
10015 reload class to a `!' in the constraint; move the if clause to
10016 do so after those that reject the insn.
10017 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10019 (find_dummy_reload): Likewise.
10020 * doc/tm.texi (Register Classes): Document what it means
10021 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10022 * config/i386/i386.c (ix86_preferred_reload_class): Force
10023 using SSE registers (and return NO_REGS for floating-point
10024 constants) if math is done with SSE.
10025 (ix86_preferred_output_reload_class): New.
10026 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10027 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10028 * config/i386/i386.md: Remove # register preferences.
10030 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10033 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10034 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10035 the type of nb_iter.
10036 (instantiate_parameters_1): Convert the operands before calling
10037 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10038 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10040 2006-04-02 Roger Sayle <roger@eyesopen.com>
10042 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10043 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10044 instead of convert.
10045 * dojump.c (do_jump): Likewise.
10046 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10047 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10048 gimplify_boolean_expr): Likewise.
10049 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10050 * varasm.c (array_size_for_constructor): Likewise.
10051 * tree-object-size.c (compute_object_offset): Likewise.
10053 2006-04-02 Roger Sayle <roger@eyesopen.com>
10055 PR middle-end/26977
10056 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10057 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10059 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10061 PR tree-optimization/26939
10062 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10064 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10066 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10067 at_stmt. Convert the type of operands before calling
10068 build_polynomial_chrec.
10069 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10070 add_to_evolution_1.
10071 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10072 (instantiate_parameters_1): Convert the type of operands before calling
10073 build_polynomial_chrec.
10074 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10075 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10076 reset_evolution_in_loop): Insert asserts to check the types of the
10078 (chrec_type): Moved...
10079 (eq_evolutions_p): Use operand_equal_p.
10080 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10081 the types of the operands.
10082 (chrec_type): ...here.
10083 * tree-data-ref.c (create_data_ref): Convert the operands before
10084 calling chrec_replace_initial_condition.
10085 (same_access_functions, analyze_subscript_affine_affine,
10086 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10087 (compute_subscript_distance, analyze_ziv_subscript,
10088 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10089 analyze_miv_subscript): Convert the operands before calling
10090 chrec_fold_minus or chrec_fold_plus.
10092 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10094 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10095 the dependence_relations vector.
10096 (compute_data_dependences_for_loop): Adjust call to
10097 compute_all_dependences.
10099 2006-04-01 Roger Sayle <roger@eyesopen.com>
10100 Richard Henderson <rth@redhat.com>
10102 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10103 gimple_boolify on the condition before calling gimplify_expr.
10105 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10107 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10108 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10109 the frame size. Update to use the new macros.
10110 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10111 * config/xtensa/ieee754-df.S: Likewise.
10113 2006-03-31 Richard Henderson <rth@redhat.com>
10115 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10116 (make_edges): ... here. Control fallthru creation with a local
10117 variable. Do not play with fake edges.
10118 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10119 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10122 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10124 * dwarf2.h (DW64_CIE_ID): Define.
10125 * dwarf2out.c (DWARF_CIE_ID): Define.
10126 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10127 length header. Use DWARF_CIE_ID.
10128 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10129 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10131 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10133 * config/sh/linux-atomic.asm: New file.
10134 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10136 2006-03-31 DJ Delorie <dj@redhat.com>
10138 * config/m32c/cond.md: Set condition flags properly throughout.
10139 * config/m32c/minmax.md: Likewise.
10140 * config/m32c/prologue.md: Likewise.
10141 * config/m32c/bitops.md: Likewise.
10142 * config/m32c/muldiv.md: Likewise.
10143 * config/m32c/mov.md: Likewise.
10144 * config/m32c/addsub.md: Likewise.
10145 * config/m32c/m32c.md: Likewise.
10146 * config/m32c/jump.md: Likewise.
10147 * config/m32c/shift.md: Likewise.
10149 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10150 conditionally output the pattern for this.
10151 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10152 (m32c_compare_redundant): New.
10153 (m32c_output_compare): New.
10154 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10156 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10157 dest, not src. Allow other 4-byte modes.
10159 2006-03-30 Denis Chertykov <denisc@overta.ru>
10161 * doc/md.texi: Refer to avr/constraints.md instead of
10164 2006-03-30 Roger Sayle <roger@eyesopen.com>
10166 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10167 signed vs. unsigned comparison failures on some hosts.
10169 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10172 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10173 change to FLOAT_REGS.
10175 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10176 (rs6000_override_options): Use it.
10177 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10178 only for -mabi=spe/no-spe and -mabi=altivec.
10180 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10182 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10185 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10187 * Makefile.in: Rename docdir to gcc_docdir.
10189 2006-03-30 Roger Sayle <roger@eyesopen.com>
10192 * expr.c (emit_group_store): Optimize group stores into a pseudo
10193 register by using a paradoxical subreg to initialize the destination
10194 if the first or last member of the group specifies a "low part".
10196 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10199 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10200 * target.h (struct gcc_target.speculate_insn): Change type of the
10201 second parameter to 'int'.
10202 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10203 the second operand of the DEPS_LIST.
10204 (copy_DEPS_LIST_list): Update reference to the second operand of the
10206 * rtl.h (alloc_DEPS_LIST): Update signature.
10207 * sched-int.h (ds_t): Change typedef to 'int'.
10208 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10210 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10212 * haifa-sched.c (try_ready): Change condition to restore
10213 non-speculative pattern of the instruction.
10214 (process_insn_depend_be_in_spec): Code to keep probability of the
10215 speculative dependence non-decreasing.
10217 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10219 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10220 (single_move_for_movmem): ... this. Also change all uses.
10221 (bfin_expand_strmov): Renamed to...
10222 (bfin_expand_movmem): ... this. Also change all uses.
10223 * config/bfin/bfin.md (movstrsi): Renamed to...
10224 (movstrsi): ...this.
10226 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10228 PR tree-optimization/26830
10230 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10231 (copy_prop_visit_stmt): Remove write-only variable ann.
10232 (init_copy_prop): Check variable loop depth here. Do not simulate
10233 memory-tag and virtual operand PHIs except for store copy prop.
10235 2006-03-30 Richard Guenther <rguenther@suse.de>
10237 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10238 variants with double arguments.
10240 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10242 * genpreds.c (write_tm_constrs_h): Delete variable p.
10243 * genconditions.c (write_header): Add tm-constrs.h to included
10245 * genpeep.c (main): Add toplev.h to included headers.
10246 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10247 (build/genpeep.o): Add toplev.h dependency.
10248 * config/rs6000/constraints.md: Add "W" constraint.
10250 2006-03-29 Roger Sayle <roger@eyesopen.com>
10252 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10253 sizes by correctly testing whether the size fits a host integer.
10254 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10255 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10256 SImode range for the default sizetype and bitsizetype.
10258 2006-03-29 Roger Sayle <roger@eyesopen.com>
10260 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10261 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10262 quickly if the argument is already of the correct type.
10263 Call fold_build1 instead of build1. Tidy up blank lines.
10265 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10267 * genemit.c (main): Add tm-constrs.h to included headers.
10268 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10269 * genpeep.c (main): Add tm-constrs.h to included headers.
10270 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10271 (write_tm_constrs_h): this and write complete file.
10272 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10273 (write_insn_preds_c): Add tm-constrs.h to included headers.
10274 (gen_constrs): New variable.
10275 (parse_option): Parse "-c".
10276 (main): Invoke write_tm_constrs_h.
10277 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10278 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10279 (object_out_file): Add tm-constrs.h dependency.
10280 (insn-emit.o): Same.
10281 (insn-output.o): Same.
10282 (insn-peep.o): Same.
10283 (insn-preds.o): Same.
10284 (insn-recog.o): Same.
10285 (tm-constsr.h): New target.
10286 (s-constrs-h): New target.
10288 * config/rs6000/constraints.md: New file.
10289 * config/rs6000/rs6000.c: Include tm-constrs.h.
10290 (num_insn_constant_wide): Convert to satisfies_constraint.
10291 (rs6000_rtx_costs): Convert to satisfies_constraint.
10292 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10293 (CONST_OK_FOR_LETTER_P): Delete.
10294 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10295 (EXTRA_CONSTRAINT): Delete.
10296 (EXTRA_MEMORY_CONSTRAINT): Delete.
10297 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10298 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10299 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10300 satisfies_constraint.
10302 * config/i386/i386.c: Include tm-constrs.h.
10304 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10306 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10307 * tree-data-ref.c (find_data_references_in_loop,
10308 compute_data_dependences_for_loop): Use pointers to VEC.
10309 (analyze_all_data_dependences): Adjust calls.
10310 * tree-data-ref.h (find_data_references_in_loop,
10311 compute_data_dependences_for_loop): Adjust declarations.
10312 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10313 compute_data_dependences_for_loop.
10315 2006-03-29 Paul Brook <paul@codesourcery.com>
10317 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10318 (movdf_vfp): Ditto.
10320 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10322 PR tree-optimization/26859
10323 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10325 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10326 for the step after fold_convert.
10328 2006-03-29 Paul Brook <paul@codesourcery.com>
10330 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10331 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10333 2006-03-29 Paul Brook <paul@codesourcery.com>
10335 PR middle-end/23623
10336 * targhooks.c (default_narrow_bitfield): New fuction.
10337 * targhooks.h (default_narrow_bitfield): add prototype.
10338 * target.h (gcc_target): Add narrow_volatile_bitfield.
10339 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10340 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10341 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10342 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10344 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10346 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10348 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10349 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10350 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10351 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10352 (s390_function_arg_float): Allow SDmode and DDmode values to be
10353 passed in floating point registers.
10354 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10355 check with SCALAR_FLOAT_MODE_P.
10356 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10358 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10360 PR tree-optimization/25985
10361 * tree-ssa-loop-niter.c (number_of_iterations_le,
10362 number_of_iterations_ne): Make comments more precise.
10363 (number_of_iterations_cond): Add only_exit argument. Use the
10364 fact that signed variables do not overflow only when only_exit
10366 (loop_only_exit_p): New.
10367 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10368 number_of_iterations_cond.
10370 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10372 PR tree-optimization/26643
10373 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10376 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10378 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10379 (divsi3_i4_int): Likewise.
10381 2006-03-28 Roger Sayle <roger@eyesopen.com>
10383 * expr.c (emit_group_store): Only create a new pseudo reg if the
10384 quantity it needs to hold isn't already a suitable pseudo.
10386 2006-03-28 Jeff Law <law@redhat.com>
10388 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10389 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10391 2006-03-28 Roger Sayle <roger@eyesopen.com>
10393 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10394 the equivalent ~X & Y, and the symmetry related transformations.
10395 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10396 ~X & Y, and symmetry related transforms.
10398 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10400 Revert my 2006-03-27 patches.
10402 2006-03-28 Roger Sayle <roger@eyesopen.com>
10404 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10405 ~(T1)X, when T1 and T2 are integer types of the same precision
10406 and (T2)X isn't an extension.
10408 2006-03-28 Jeff Law <law@redhat.com>
10410 PR tree-optimization/26796
10411 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10412 need EH edge cleanups rather than purging them immediately.
10413 (eliminate_degenerate_phis): Handle queued EH cleanups.
10415 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10417 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10420 2006-03-27 Roger Sayle <roger@eyesopen.com>
10422 PR middle-end/22524
10423 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10424 cast BIT_NOT_EXPR operand to the correct type.
10426 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10428 * tree-loop-linear.c: Don't include varray.h.
10429 (gather_interchange_stats, try_interchange_loops,
10430 linear_transform_loops): Use VEC instead of VARRAY.
10431 * lambda-mat.c: Don't include varray.h.
10432 * tree-chrec.c: Same.
10433 * lambda-trans.c: Same.
10434 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10435 VEC instead of VARRAY.
10436 * tree-vectorizer.h: Idem.
10437 * tree-data-ref.c (dump_data_references,
10438 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10439 initialize_data_dependence_relation, finalize_ddr_dependent,
10440 compute_all_dependences, find_data_references_in_loop,
10441 compute_data_dependences_for_loop, analyze_all_data_dependences,
10442 free_dependence_relation, free_dependence_relations,
10443 free_data_refs): Idem.
10444 * tree-data-ref.h (data_reference_p, subscript_p): New.
10445 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10446 VEC instead of VARRAY.
10447 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10448 (find_data_references_in_loop, compute_data_dependences_for_loop,
10449 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10450 dump_data_dependence_relations, free_dependence_relations,
10451 free_data_refs): Adjust declaration.
10452 (lambda_transform_legal_p): Move declaration here...
10453 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10454 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10455 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10456 vect_analyze_data_refs): Use VEC instead of VARRAY.
10457 * lambda.h (lambda_transform_legal_p): ...from here.
10458 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10459 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10460 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10461 tree-chrec.o): Don't depend on VARRAY_H.
10463 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10465 * rtl.def (Copyright): Update date.
10466 (DEPS_LIST): Change type of the second operand to 'int'.
10467 * target.h (Copyright): Update date.
10468 (struct gcc_target.speculate_insn): Change type of the second parameter
10470 * lists.c (Copyright): Update date.
10471 (alloc_DEPS_LIST): Change signature. Update reference to the second
10472 operand of the DEPS_LIST.
10473 (copy_DEPS_LIST_list): Update reference to the second operand of the
10475 * rtl.h (Copyright): Update date.
10476 (alloc_DEPS_LIST): Update signature.
10477 * sched-int.h (Copyright): Update date.
10478 (ds_t): Change typedef to 'int'.
10479 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10481 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10483 * haifa-sched.c (Copyright): Update date.
10484 (try_ready): Change condition to restore non-speculative pattern
10485 of the instruction.
10486 (process_insn_depend_be_in_spec): Code to keep probability of the
10487 speculative dependence non-decreasing.
10489 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10491 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10492 shut up the compiler.
10494 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10496 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10497 to use lib prefix for target.
10498 ($(T)libic_invalidate_array_4-200.a): Likewise.
10499 ($(T)libic_invalidate_array_4a.a): Likewise.
10501 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10502 J"orn Rennecke <joern.rennecke@st.com>
10504 * superh.opt: New file.
10505 * sh.c (boardtype, osruntime): Remove.
10506 * superh.h (SUBTARGET_OPTIONS): Remove.
10507 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10509 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10510 arguments with ^ and/or [].
10512 * config.gcc (sh-*-*): Add quoting to account for quirk of
10514 Replace == with = in enable_incomplete_targets test.
10516 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10517 with MASK_LITTLE_ENDIAN.
10519 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10520 * config/sh/sh.opt: Added to some comments.
10521 * config/sh/superh.h: Removed some chaff.
10523 * config/sh/sh.opt: Add m4-[1234]00* options.
10524 * config/sh/sh.c (sh_handle_option): Likewise.
10525 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10526 (ic_invalidate_array_4-100.o): New rule.
10527 ($(T)libic_invalidate_array_4-100.a): Likewise.
10528 (ic_invalidate_array_4-200.o): Likewise.
10529 ($(T)libic_invalidate_array_4-200.a): Likewise.
10530 (ic_invalidate_array_4a.o): Likewise.
10531 ($(T)libic_invalidate_array_4a.a): Likewise.
10532 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10533 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10535 * config/sh/crt1.asm: Merged in profiling code.
10536 * config/sh/superh.h (STARTFILE_SPEC): Override.
10537 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10538 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10539 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10541 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10542 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10543 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10545 * sh.opt (mpretend-cmove): New option.
10546 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10547 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10548 (movsicc): Add TARGET_PRETEND_CMOVE code.
10550 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10552 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10553 s390_class_max_nregs): New function prototypes.
10554 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10555 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10556 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10557 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10559 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10561 * dwarf2out.c (add_location_or_const_value_attribute): Call
10562 tree_add_const_value_attribute if nothing else works.
10563 (reference_to_unused): New.
10564 (rtl_for_decl_init): Use reference_to_unused to decide whether
10565 to output an initializer.
10567 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10570 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10571 peephole removing spe frob_di_df_2.
10573 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10575 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10576 (subscript_dependence_tester_1): Declared.
10577 (print_dir_vectors, print_dist_vectors): New.
10578 (debug_data_dependence_relation): New.
10579 (dump_data_dependence_relation): Print more details.
10580 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10581 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10582 (save_dist_v, save_dir_v, add_outer_distances,
10583 build_classic_dist_vector_1): New.
10584 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10585 Don't test for lambda_vector_lexico_pos.
10586 (same_access_functions, add_multivariate_self_dist,
10587 add_other_self_distances, dir_from_dist): New.
10588 (build_classic_dir_vector): Replace implementation almost identical to
10589 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10591 (subscript_dependence_tester_1): New.
10592 (subscript_dependence_tester): Handle the lexicographically negative
10593 distance vectors by recomputing the dependence relation.
10594 (compute_affine_dependence): Remove parameter loop_nest_depth.
10595 (compute_self_dependence): Don't call compute_subscript_distance.
10596 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10597 Add a parameter for the loop_nest.
10598 (find_loop_nest_1, find_loop_nest): New.
10599 (compute_data_dependences_for_loop): Compute the loop nest, and give
10600 up if the nest is not well formed.
10601 * tree-data-ref.h (loop_p): New.
10602 (struct data_dependence_relation): Replace size_vect field with
10603 loop_nest, a vec of loops.
10604 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10605 (DDR_LOOP_NEST): New.
10606 (print_dir_vectors, print_dist_vectors,
10607 debug_data_dependence_relation): Declared.
10608 (index_in_loop_nest): New.
10609 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10610 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10613 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10615 * simplify-rtx.c (simplify_relational_operation): Call
10616 simplify_relational_operation_1 even if mode is VOIDmode.
10618 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10620 PR tree-optimization/26804
10621 * tree.h (DECL_CALL_CLOBBERED): New macro.
10622 (tree_decl_common): Add call_clobbered_flag.
10623 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10624 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10625 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10626 (mark_non_addressable): Ditto.
10627 * tree-ssa.c (verify_call_clobbered): New function.
10628 (verify_alias_info): Use it.
10629 * tree-pass.h (pass_reset_cc_flags): New prototype.
10630 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10631 (reset_cc_flags): New function.
10632 * passes.c (init_optimization_passes): Call reset_cc_flags after
10633 initializing referenced_vars.
10635 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10636 Roger Sayle <roger@eyesopen.com>
10638 PR middle-end/26717
10639 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10640 to 1.0 for non-real operands. Implement A / A optimization for
10643 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10645 * config/i386/i386.c (size_cost): Correct the comment for
10646 cost of storing fp registers.
10647 (i386_cost): Likewise.
10648 (i486_cost): Likewise.
10649 (pentium_cost): Likewise.
10650 (pentiumpro_cost): Likewise.
10651 (k6_cost): Likewise.
10652 (athlon_cost): Likewise.
10653 (k8_cost): Likewise.
10654 (pentium4_cost): Likewise.
10655 (nocona_cost): Likewise.
10656 (generic64_cost): Likewise.
10657 (generic32_cost): Likewise.
10659 2006-03-24 Denis Chertykov <denisc@overta.ru>
10661 * config/avr/avr-protos.h (extra_constraint): Delete.
10662 (extra_constraint_Q): New declaration.
10663 * config/avr/constraints.md: New file.
10664 * config/avr/avr.md: Include it.
10665 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10666 (TMP_REGNO, ZERO_REGNO): Likewise.
10667 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10668 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10669 (extra_constraint): Delete.
10670 (extra_constraint_Q): Test for memory constraint 'Q'.
10671 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10672 (REG_CLASS_FROM_LETTER): Delete.
10673 (CONST_OK_FOR_LETTER_P): Delete.
10674 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10675 (EXTRA_CONSTRAINT): Delete.
10676 (TMP_REGNO): Delete.
10677 (ZERO_REGNO): Delete.
10679 2006-03-24 Jeff Law <law@redhat.com>
10681 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10682 directly. Call mark_new_vars_to_rename slightly earlier.
10684 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10686 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10687 (is_cxx): Likewise.
10688 (gen_compile_unit_die): Use new language types for Objective-C and
10690 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10691 DW_LANG_C_plus_plus.
10694 * config/t-darwin (crt3.o): Work around bug 26840.
10695 * config/darwin-crt3.c: Rewrite.
10696 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10698 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10700 * doc/invoke.texi: Document -femit-class-debug-always
10701 * common.opt: Add -femit-class-debug-always.
10703 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10705 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10706 index and base register.
10707 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10708 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10709 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10710 REGNO_OK_FOR_INDEX_P.
10711 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10713 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10714 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10715 REG_OK_FOR_BASE_P): Definitions removed.
10717 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10719 PR middle-end/26611
10720 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10721 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10722 set yet or weren't marked as local yet.
10724 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10726 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10729 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10731 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10732 (rs6000_legitimate_small_data_p): Delete.
10733 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10734 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10735 and make static. Add forward declaration. Update uses.
10736 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10737 of offsettable_memref_p.
10738 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10739 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10741 2006-03-24 Jeff Law <law@redhat.com>
10743 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10744 around bug in immediate-use iterator.
10746 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10749 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10750 or __LITTLE_ENDIAN__.
10752 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10754 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10755 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10756 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10757 * config/sh/sh.opt (mdiv=): Amend description.
10758 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10759 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10760 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10761 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10762 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10763 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10764 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10765 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10766 TARGET_DIVIDE_CALL_FP.
10768 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10770 * haifa-sched.c (choose_ready): Fix type of the local variable.
10771 Move local variables. Add comment.
10772 (check_reg_live): Change signature. Make callable from debugger.
10773 * sched-int.h (check_reg_live): Update signature.
10774 * sched-ebb.c (check_reg_live): Update parameters.
10775 * sched-rgn.c (check_reg_live): Ditto.
10776 (region_head_or_leaf_p): Check pointer before dereferencing.
10777 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10778 before reload on optimization levels below 1.
10780 2006-03-23 Richard Henderson <rth@redhat.com>
10782 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10786 * config/alpha/predicates.md (local_symbolic_operand): Reject
10789 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10792 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10793 expressions which have overflowed constants.
10795 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10797 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10799 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10801 * cfgloopmanip.c (create_loop_notes): Removed.
10802 * final.c (final_scan_insn): Do not handle loop notes.
10803 * jump.c (squeeze_notes): Ditto.
10804 * cfglayout.c (skip_insns_after_block,
10805 duplicate_insn_chain): Ditto.
10806 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10808 * cfgloop.h (create_loop_notes): Declaration removed.
10810 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10812 * varasm.c (output_constant_pool): Restore fnname and fndecl
10814 (assemble_start_function): Adjust call accordingly.
10815 (assemble_end_function): Likewise.
10817 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10820 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10823 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10825 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10828 * system.h (ICE_EXIT_CODE): New macro.
10829 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10830 (diagnostic_action_after_output): Likewise.
10831 * gcc.c (fatal_ice): New function.
10832 (execute): Use it instead of fatal.
10833 (fancy_abort): Likewise.
10834 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10836 2006-03-22 Jeff Law <law@redhat.com>
10838 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10839 iv_analyze_result returning false.
10841 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10843 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10845 2006-03-22 Richard Henderson <rth@redhat.com>
10847 PR middle-end/26084
10848 * except.c (duplicate_eh_regions_0): New.
10849 (duplicate_eh_region_1): Duplicate the children of the node as
10850 well as the node itself. Link them up properly.
10851 (duplicate_eh_region_2): Merge into ...
10852 (duplicate_eh_regions): ... here. Take copy_region argument, and
10853 copy only a sub-tree if asked. Simplify copying and fixup.
10854 (eh_region_outer_p): New.
10855 * except.h (duplicate_eh_regions): Update decl.
10856 (eh_region_outer_p): Declare.
10857 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10858 (lower_omp_master): Likewise.
10859 (lower_omp_ordered): Likewise.
10860 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10861 (move_stmt_r): Use it to remap labels. Handle recursion vs
10862 remap_decls_p properly.
10863 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10864 (find_outermost_region_in_block): New.
10865 (new_label_mapper): New.
10866 (move_sese_region_to_fn): Copy eh information to the new function
10868 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10870 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10873 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10875 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10876 into shared libraries.
10878 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10880 * doc/md.texi: Refer to i386/constraints.md instead of
10881 i386/predicates.md.
10882 * config/i386/constraints.md: New file, extracted from...
10883 * config/i386/predicates.md: ...here.
10884 * config/i386/i386.md: Include constraints.md.
10886 2006-03-21 Jason Merrill <jason@redhat.com>
10888 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10890 PR middle-end/20297
10891 * expr.c (init_block_move_fn): Force default visibility.
10892 (init_block_clear_fn): Likewise.
10893 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10894 * targhooks.c (default_external_stack_protect_fail): Likewise.
10896 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10898 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10899 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10900 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10901 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10902 (loadgp): Use mips_current_loadgp_style.
10903 (loadgp_noshared): New pattern.
10904 (sibcall_internal): Use MIPS_CALL.
10905 (sibcall_value_internal): Likewise.
10906 (sibcall_value_multiple_internal): Likewise.
10907 (call_internal): Likewise.
10908 (call_value_internal): Likewise.
10909 (call_value_multiple_internal): Likewise.
10910 (call_split): Use MIPS_CALL and add an 'S' constraint.
10911 (call_value_split): Likewise.
10912 (call_value_multiple_split): Likewise.
10913 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10914 (-mshared): New option.
10915 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10916 (mips_current_loadgp_style): Declare.
10917 * config/mips/mips.c (mips_classify_symbol): Avoid using
10918 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10919 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10920 TARGET_ABSOLUTE_ABICALLS.
10921 (override_options): Adjust comments. Improve the warning that is
10922 issued when -mabicalls and -G are used together.
10923 (mips_file_start): Remove comment.
10924 (mips_current_loadgp_style): New function.
10925 (mips_gnu_local_gp): New variable.
10926 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10928 (mips_output_function_prologue): Use mips_current_laodgp_style.
10929 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10930 the cprestore instruction.
10931 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10932 live for TARGET_ABSOLUTE_ABICALLS.
10933 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10934 (ASM_SPEC): Pass down -mshared and -mno-shared.
10935 (MIPS_CALL): New macro.
10936 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10938 * doc/invoke.texi (-mabicalls): Update documentation.
10939 (-mshared): Document.
10941 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10943 * config/ia64/unwind-hpux.c: New file.
10944 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10946 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10949 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10951 2006-03-21 Jeff Law <law@redhat.com>
10953 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10954 type conversions of a VR_VARYING source to a wider type.
10956 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10958 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10959 tm_file on Solaris 10 and later.
10960 (sparc64-*-solaris2*): Likewise.
10961 (sparc-*-solaris2*): Likewise.
10962 * config/sol26.h: Rename to config/sol2-6.h.
10963 * config/sol2-10.h: New file.
10965 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10968 * tree-ssa-pre.c (create_component_ref_by_pieces):
10971 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10974 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10975 return it immediately.
10977 2006-03-21 Michael Matz <matz@suse.de>
10979 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10981 (remove_arc, add_arc): Update num_out_arcs member.
10982 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10984 (cache_presence): New function.
10985 (compare_states_for_equiv): New function.
10986 (state_is_differed): Don't take number of outargs, adjust callers.
10987 Use new invariant for speeding up.
10988 (init_equiv_class): Create initial classes based on sorted
10990 (partition_equiv_class): Don't track out_arcs_num.
10991 (evaluate_equiv_classes): Call cache_presence on all states and
10994 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10996 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10997 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10998 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10999 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11001 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11002 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11003 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11004 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11005 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11007 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11008 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11009 (REGNO_REG_CLASS): ARGP is in PREGS.
11010 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11012 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11013 to deal with those addresses.
11014 * addresses.h: New file.
11015 * caller-save.c: Include "addresses.h".
11016 (init_caller_save): Use new base_reg_class function.
11017 * rtl-factoring.c: Include "addresses.h".
11018 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11019 * recog.c: Include "addresses.h".
11020 (preprocess_constraints): Use new base_reg_class function.
11021 * regrename.c: Include "addresses.h".
11022 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11023 functions. Keep track of a new var INDEX_CODE to compute valid
11025 (replace_oldest_value_addr): Likewise.
11026 (replace_oldest_value_mem): Use base_reg_class.
11027 * reload.c: Include "addresses.h".
11028 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11029 (find_reloads): Use new base_reg_class function.
11030 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11031 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11032 all callers and prototype changed.
11033 * reload1.c: Include "addresses.h".
11034 (maybe_fix_stack_asms): Use base_reg_class.
11035 * regclass.c: Include "addresses.h".
11036 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11037 (init_reg_autoinc): Use new base_reg_class function.
11038 (record_reg_classes): Likewise.
11039 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11040 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11041 Use new args to compute necessary class.
11043 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11044 regrename.o, rtl-factoring.o): Update dependencies.
11045 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11046 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11047 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11048 REG_OK_FOR_INDEX_P): Delete documentation.
11050 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11052 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11053 from V7 to V9 for Solaris 7 and above.
11055 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11057 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11058 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11059 argument pointers may not alias any other storage.
11060 * common.opt: Define option -fargument-noalias-anything.
11061 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11062 alias semantics is specified by flag_argument_noalias > 2.
11064 2006-03-20 Jeff Law <law@redhat.com>
11066 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11067 (pass_phi_only_cprop): Declare.
11068 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11069 with phi_only_cprop
11070 * tree-ssa-dom.c (degenerate_phi_result): New function.
11071 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11072 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11073 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11074 (eliminate_degenerate_phis): Likewise.
11075 (pass_phi_only_cprop): New pass descriptor.
11076 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11077 support code. Callers updated.
11078 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11079 (store_copy_prop): Likewise.
11080 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11082 2006-03-20 Jason Merrill <jason@redhat.com>
11085 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11086 (push_visibility, pop_visibility): Likewise.
11087 * c-pragma.h: Declare them.
11089 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11091 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11093 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11094 parameter and use get_ebb_head_tail.
11095 (sh_md_init_global): Adjust uses of find_regmode_weight.
11097 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11099 * function.h (struct function) <x_tail_recursion_reentry>:
11100 Rename to x_stack_check_probe_note.
11101 (tail_recursion_reentry): Rename to stack_check_probe_note.
11102 * function.c: Replace tail_recursion_reentry with
11103 stack_check_probe_note everywhere.
11104 (expand_function_start): Only emit a note for
11105 stack_check_probe_note with -fstack-protect.
11106 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11108 * emit-rtl.c (remove_unnecessary_notes): Remove.
11109 (pass_remove_unnecessary_notes): Remove.
11110 * rtl.h (remove_unnecessary_notes): Remove prototype.
11111 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11112 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11113 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11115 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11118 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11119 (valid_in_set): Handle ARRAY_REF.
11120 Change "if min_variant or VH" to asserts.
11121 (create_component_ref_by_pieces): Handle ARRAY_REF.
11122 (create_expression_by_pieces): Likewise.
11123 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11125 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11127 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11128 is operand of switch, not str[0].
11130 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11132 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11133 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11135 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11137 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11138 end of insn_extra_address_constraint declaration.
11140 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11142 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11143 (no-sum-in-toc): Same.
11144 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11146 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11147 NO_FP_IN_TOC for -fPIC instead of mask.
11149 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11150 (BOOT_LDFLAGS): Delete.
11152 * config/rs6000/t-aix52: Same.
11154 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11155 (stmsi[345678]_power): New.
11157 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11159 * config/ia64/ia64.opt: Add empty line to end of file.
11161 2006-03-17 Richard Guenther <rguenther@suse.de>
11163 PR middle-end/26721
11164 * builtins.c (get_pointer_alignment): For component style references
11165 adjust alignment to the component type alignment. Make sure
11166 to adjust alignment for component access of constants.
11168 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11170 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11171 unconditional jump.
11173 2006-03-17 Paul Brook <paul@codesourcery.com>
11175 * doc/install.texi: Docuemnt --with-mode.
11176 * config.gcc: Add --with-mode for arm*-*-*.
11177 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11179 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11181 * sh.c (max_labelno_before_reorg): New variable.
11182 (sh_reorg): Initialize it.
11183 (find_barrier): Check max_labelno_before_reorg before using
11184 label_to_alignment. Take length of explicit alignment insns
11185 into account. When seeing a UNSPECV_CONST_END, return it.
11187 * sh.c (fixup_mova): Set mode of affected label to QImode.
11188 (untangle_mova): New function.
11189 (find_barrier): Use it. Check mode of label before decrementing
11191 (sh_reorg): Likewise.
11192 Set mode of all insns back to VOIDmode.
11194 * sh.c (MOVA_LABELREF): New macro.
11195 (mova_p, fixup_mova, sh_reorg): Use it.
11196 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11197 ADDR_DIFF_VEC matches mova.
11199 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11201 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11202 with ATTRIBUTE_UNUSED.
11204 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11206 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11207 pointer, instead of assuming it is possible to derive the
11208 correct args size from a call insn.
11210 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11212 * rtl.h (CONST_INT_P): Define.
11213 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11214 instead of GET_CODE(x) == CONST_INT.
11215 (vax_rtx_costs): Likewise.
11216 (vax_output_int_move): Likewise.
11217 (vax_output_int_add): Likewise.
11218 (legitimate_constant_address_p): Likewise.
11219 (index_term_p): Likewise.
11220 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11221 * config/vax/vax.md (and<mode>3): Likewise.
11222 (ashrsi3): Likewise.
11224 (movstricthi): Likewise.
11225 (movstrictqi): Likewise.
11226 (rotrsi3): Likewise.
11227 (five unnamed insns): Likewise.
11229 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11231 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11232 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11233 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11234 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11235 Pass to ASM_OUTPUT_DWARF_OFFSET.
11236 * dwarf2out.c (debug_frame_section): New.
11237 (output_call_frame_info): Use debug_frame_section. Pass it to
11238 dw2_asm_output_offset.
11239 (output_die): Pass appropriate section to dw2_asm_output_offset.
11240 (output_compilation_unit_header): Likewise.
11241 (output_pubnames): Likewise.
11242 (output_aranges): Likewise.
11243 (enum dw_val_class): Break dw_val_class_lbl_offset into
11244 dw_val_class_lineptr and dw_val_class_macptr.
11245 (add_AT_lbl_offset): Delete.
11246 (add_AT_lineptr): New.
11247 (add_AT_macptr): New.
11248 (AT_lbl): Expect a lineptr or macptr.
11249 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11250 (attr_checksum): Likewise.
11251 (same_dw_val_p): Likewise.
11252 (size_of_die): Likewise.
11253 (value_format): Likewise.
11254 (output_die): Likewise.
11255 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11257 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11258 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11259 * config/darwin-protos.h (darwin_file_start): New.
11260 (darwin_asm_output_dwarf_offset): New.
11261 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11262 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11264 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11265 if not EH section; simplify.
11266 (darwin_file_start): New.
11267 (darwin_asm_output_dwarf_offset): New.
11268 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11270 (DEBUG_INFO_SECTION): Likewise.
11271 (DEBUG_ABBREV_SECTION): Likewise.
11272 (DEBUG_ARANGES_SECTION): Likewise.
11273 (DEBUG_MACINFO_SECTION): Likewise.
11274 (DEBUG_LINE_SECTION): Likewise.
11275 (DEBUG_LOC_SECTION): Likewise.
11276 (DEBUG_PUBNAMES_SECTION): Likewise.
11277 (DEBUG_STR_SECTION): Likewise.
11278 (DEBUG_RANGES_SECTION): Likewise.
11279 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11280 (ASM_OUTPUT_DWARF_OFFSET): New.
11282 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11284 * config.gcc (tm_defines): Always add to previous value rather
11287 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11289 * config/mips/predicates.md (splittable_const_int_operand): New,
11290 split from move_operand.
11291 (splittable_symbolic_operand): New.
11292 (move_operand): Add commentary. Use splittable_const_int_operand.
11293 Inline mips_atomic_symbolic_constant_p.
11294 * config/mips/mips.md: Add combine splitters for handling moves
11295 of splittable_const_int_operands and splittable_symbolic_operands.
11296 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11297 (mips_split_symbol): Declare.
11298 (mips_move_integer): Declare.
11299 * config/mips/mips.c (mips_split_p): Make global.
11300 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11301 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11302 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11303 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11304 (mips_offset_within_object_p): Handle block symbols.
11305 (mips_atomic_symbolic_constant_p): Delete.
11306 (mips_cannot_force_const_mem): Return false for constants that
11307 mips_legitimize_move can handle.
11308 (mips_use_blocks_for_constant_p): New function.
11309 (mips_split_symbol): Make global.
11310 (mips_move_integer): Likewise. Add a temporary register argument.
11311 (mips_legitimize_const_move): Use splittable_const_int_operand and
11312 splittable_symbolic_operand.
11313 (mips_use_anchors_for_symbol_p): New function.
11314 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11315 (mips_split_p): Declare.
11317 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11319 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11320 (mips*-*-linux*): Likewise.
11322 2006-03-16 Roger Sayle <roger@eyesopen.com>
11323 Daniel Speyer <dspeyer@wam.umd.edu>
11325 PR middle-end/18259
11326 * tree-dump.c (dump_real): New function.
11327 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11328 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11329 (tree-dump.o): Add $(REAL_H) to the dependencies.
11331 2006-03-16 Roger Sayle <roger@eyesopen.com>
11333 PR middle-end/21781
11334 * real.c (real_from_string): If the mantissa is zero, don't bother
11335 parsing the exponent as the result should always be zero.
11337 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11339 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11341 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11343 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11344 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11345 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11346 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11347 ia64_sched_finish_global): New static functions to implement
11348 hooks from gcc_target.sched.
11349 (spec_check_no, max_uid, pending_data_specs): New static variables.
11350 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11351 ia64_spec_check_src_p): New static functions.
11352 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11353 (TARGET_SCHED_ADJUST_COST): Removed.
11354 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11355 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11356 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11357 TARGET_SCHED_GEN_CHECK,
11358 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11359 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11360 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11361 Fixed to handle speculation checks.
11362 (rtx_needs_barrier): Fixed to handle speculative loads and
11364 (ia64_variable_issue): Added code to count speculative loads and their
11366 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11368 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11370 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11372 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11373 (ia64_reorg): Reset stops_p to NULL after it is freed.
11374 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11375 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11376 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11378 (data_speculative, control_speculative, check_load): New attributes.
11379 (mov<mode>_advanced, mov<mode>_speculative,
11380 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11381 zero_extend<mode>di2_speculative,
11382 zero_extend<mode>di2_speculative_advanced): New patterns for
11383 data and control speculative loads.
11384 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11386 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11387 New pattern for data and control speculation checks.
11388 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11389 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11390 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11391 Auxiliary definitions for the patterns.
11392 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11393 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11395 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11397 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11398 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11399 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11400 New resource constraints.
11401 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11403 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11404 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11405 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11406 msched-in-control-spec, msched-ldc, msched-control-ldc,
11407 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11408 msched-prefer-non-control-spec-insns,
11409 msched-count-spec-in-critical-path): New flags to tune speculative
11411 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11412 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11413 msched-in-control-spec, msched-ldc, msched-control-ldc,
11414 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11415 msched-prefer-non-control-spec-insns,
11416 msched-count-spec-in-critical-path): Document new flags.
11418 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11420 * target.h (struct spec_info_def): New opaque declaration.
11421 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11422 speculate_insn, needs_block_p, gen_check,
11423 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11424 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11425 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11426 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11427 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11428 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11430 (TARGET_SCHED): Use new macros.
11431 * rtl.h (copy_DEPS_LIST_list): New prototype.
11432 * sched-int.h (struct sched_info): Change signature of new_ready field,
11433 adjust all initializations. New fields: add_remove_insn,
11434 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11435 region_head_or_leaf_p.
11436 (struct spec_info_def): New structure declaration.
11437 (spec_info_t): New typedef.
11438 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11439 recovery_block, orig_pat.
11440 (glat_start, glat_end): New variables declaraions.
11441 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11443 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11444 DETACH_LIFE_INFO, USE_GLAT.
11445 (enum SPEC_SCHED_FLAGS): New enumeration.
11446 (NOTE_NOTE_BB_P): New macro.
11447 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11448 attach_life_info, debug_spec_status, check_reg_live): New functions.
11449 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11450 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11452 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11453 * ddg.c (get_block_head_tail): Adjust all uses.
11454 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11455 (sms_sched_info): Initialize new fields.
11456 (contributes_to_priority): Removed.
11457 * haifa-sched.c (params.h): New include.
11458 (get_block_head_tail): Adjust all uses.
11459 (ISSUE_POINTS): New macro.
11460 (glat_start, glat_end): New global variables.
11461 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11462 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11463 old_last_basic_block, before_recovery, current_sched_info_var,
11464 rgn_n_insns, luid): New static variables.
11465 (insn_cost1): New function. Move logic from insn_cost to here.
11466 (find_insn_reg_weight1): New function. Move logic from
11467 find_insn_reg_weight to here.
11468 (reemit_notes, move_insn, max_issue): Change signature.
11469 (move_insn1): Removed.
11470 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11471 extend_bb): New static functions to support extension of scheduler's
11473 (generate_recovery_code, process_insn_depend_be_in_spec,
11474 begin_speculative_block, add_to_speculative_block,
11475 init_before_recovery, create_recovery_block, create_check_block_twin,
11476 fix_recovery_deps): New static functions to support
11477 generation of recovery code.
11478 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11479 restore_bb_notes, move_block_after_check, move_succs): New static
11480 functions to support ebb scheduling.
11481 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11482 functions to support handling of register live information.
11483 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11484 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11485 add_jump_dependencies): New static functions.
11486 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11487 consistancy checking.
11488 (debug_spec_status): New function to call from debugger.
11489 (priority): Added code to handle speculation checks.
11490 (rank_for_schedule): Added code to distinguish speculative instructions.
11491 (schedule_insn): Added code to handle speculation checks.
11492 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11493 Fixed to handle ebbs.
11494 (move_insn): Added code to handle ebb scheduling.
11495 (max_issue): Added code to use ISSUE_POINTS of instructions.
11496 (choose_ready): Added code to choose between speculative and
11497 non-speculative instructions.
11498 (schedule_block): Added code to handle ebb scheduling and scheduling of
11499 speculative instructions.
11500 (sched_init): Initialize new variables.
11501 (sched_finish): Free new variables. Print statistics.
11502 (try_ready): Added code to handle speculative instructions.
11503 * lists.c (copy_DEPS_LIST_list): New function.
11504 * sched-deps.c (extend_dependency_caches): New function. Move logic
11505 from create_dependency_caches to here.
11506 (get_dep_weak, ds_merge): Make global.
11507 * genattr.c (main): Code to output prototype for
11508 dfa_clear_single_insn_cache.
11509 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11510 (output_dfa_clean_insn_cache_func): Code to output
11511 dfa_clear_single_insn_cache function.
11512 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11514 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11516 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11517 New static variables.
11518 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11519 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11521 (ebb_sched_info): Initialize new fields.
11522 (get_block_head_tail): Adjust all uses.
11523 (compute_jump_reg_dependencies): Fixed to use glat_start.
11524 (schedule_ebb): Code to remove unreachable last block.
11525 (schedule_ebbs): Added code to update register live information.
11526 * sched-rgn.c (region_sched_info): Initialize new fields.
11527 (get_block_head_tail): Adjust all uses.
11528 (last_was_jump): Removed. Adjust users.
11529 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11530 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11531 Implement new hooks.
11532 (check_dead_notes1): New static function.
11533 (struct region): New fields: dont_calc_deps, has_real_ebb.
11534 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11535 (BB_TO_BLOCK): Fixed to handle EBBs.
11536 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11537 (ebb_head): New static variable.
11538 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11539 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11541 (compute_dom_prob_ps): New assertion.
11542 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11543 global_live_at_start.
11544 (init_ready_list): New assertions.
11545 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11546 (new_ready): Add support for BEGIN_CONTROL speculation.
11547 (schedule_insns): Fixed code that updates register live information
11549 (schedule_region): Fixed to handle EBBs.
11550 (init_regions): Use extend_regions and check_dead_notes1.
11551 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11552 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11553 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11554 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11555 TARGET_SCHED_GEN_CHECK,
11556 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11557 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11558 * doc/invoke.texi (max-sched-insn-conflict-delay,
11559 sched-spec-prob-cutoff): Document.
11561 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11563 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11564 inter_tick, queue_index.
11565 (struct sched_info): Change signature of init_ready_list field.
11566 Adjust all initializations.
11567 (RESOLVED_DEPS): New access macro.
11568 (ready_add): Remove prototype.
11569 (try_ready): Add prototype.
11570 * sched-rgn.c (init_ready_list): Use try_ready.
11571 (schedule_region): Initialize
11572 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11573 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11574 (init_ready_list): Use try_ready.
11575 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11576 * lists.c (remove_list_elem): Remove `static'.
11577 (remove_free_INSN_LIST_elem): New function.
11578 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11579 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11580 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11582 (readyp): New variable.
11583 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11584 change_queue_index, resolve_dep): New static functions.
11585 (try_ready): New function. Adjust callers in sched-rgn.c and
11586 sched-ebb.c to use it instead of ready_add.
11587 (clock_var): Move at the begining of file.
11588 (rank_for_schedule): Fix typo.
11589 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11590 (ready_lastpos): Enforce assertion.
11591 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11592 update all callers.
11593 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11594 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11595 (queue_to_ready): Use free_INSN_LIST_list.
11596 (early_queue_to_ready): Fix typo.
11597 (schedule_block): Init readyp. Move init_ready_list call after the
11598 initialization of clock_var. Fix error in rejecting insn by
11599 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11600 that previously corrected INSN_TICKs. Add code for handling
11602 (set_priorities): Fix typo.
11603 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11604 Clarify comment and code that keeps current_sched_info->next_tail
11607 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11609 * sched-rgn.c (extend_rgns): New static function.
11610 (find_rgns): Use it.
11611 (gather_region_statistics, print_region_statistics): New static
11613 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11614 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11616 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11617 Andrey Belevantsev <abel@ispras.ru>
11619 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11620 * lists.c (unused_deps_list): New variable.
11621 (free_list): Add assertions to verify the proper distinguishing
11622 between INSN_LISTs and DEPS_LISTs.
11623 (find_list_elem, remove_list_elem, remove_list_node): New static
11625 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11626 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11627 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11628 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11630 (free_INSN_LIST_node): Likewise.
11631 * modulo-sched.c (current_sched_info): Initialize flags field.
11632 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11633 * rtl.def (DEPS_LIST): Define.
11634 * rtl.h: Declare new functions from lists.c.
11635 * sched-deps.c (spec_dependency_cache): New static variable.
11636 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11637 (add_dependence): Change return type to void. Move the logic to ...
11638 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11639 (delete_all_dependences): Add comment about forward_dependency_cache.
11640 Handle spec_dependency_cache. Handle DEPS_LISTs.
11641 (fixup_sched_groups): Clarify the change of priority of output
11642 and anti dependencies.
11643 (sched_analyze_2): Adjust add_dependence calls to create data
11644 speculative dependence.
11645 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11646 Adjust all callers. Handle DEPS_LISTS.
11647 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11648 presence of speculation.
11649 (init_dependency_caches, free_dependency_caches):
11650 Handle spec_dependency_cache.
11651 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11652 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11653 New static functions.
11654 (add_or_update_back_dep, add_or_update_back_forw_dep,
11655 add_back_forw_dep, delete_back_forw_dep): New functions.
11656 * sched-int.h (ds_t, dw_t): New typedefs.
11657 (struct sched_info): Add new field flags.
11658 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11659 Prototype new sched-deps.c functions.
11660 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11661 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11662 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11663 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11664 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11665 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11667 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11669 * sched-rgn.c (current_sched_info): Initialize flags field.
11670 (schedule_insns): Initialize current_sched_info before the sched_init
11672 * sched-ebb.c (current_sched_info): Initialize flags field.
11673 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11674 Call add_or_update_back_dep instead of add_dependence.
11675 Create control speculative dependencies.
11676 (schedule_insns): Initialize current_sched_info before the sched_init
11679 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11681 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11683 (sh_fallback_frame_state): Likewise.
11685 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11687 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11688 Do switch on default_use_cxa_atexit.
11689 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11690 * config/darwin-crt3.o: New.
11691 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11692 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11693 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11695 * config/rs6000/t-darwin: Move crt2.o building to here.
11696 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11697 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11700 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11702 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11703 from '! xxx' to '!xxx' for coding-style conformance.
11704 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11705 (EXTRA_CONSTRAINT): Likewise.
11706 * config/vax/vax.md (four unnamed insns): Likewise.
11708 2006-03-15 Paul Brook <paul@codesourcery.com>
11710 * config/arm/arm.c (minipool_pad): New.
11711 (add_minipool_forward_ref): Include pool alignment padding in address
11713 (push_minipool_fix): Set minipool_pad.
11714 (minipool_pad): Ditto.
11716 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11718 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11719 instead of GET_CODE() == MEM and REG_P() instead of
11721 (print_operand_address): Likewise.
11722 (vax_address_cost): Likewise.
11723 (vax_rtx_costs): Likewise.
11724 (vax_notice_update_cc): Likewise.
11725 (vax_output_int_add): Likewise.
11726 (INDEX_REGISTER_P): Likewise.
11727 (BASE_REGISTER_P): Likewise.
11728 (nonindexed_address_p): Likewise.
11729 (vax_mode_dependent_address_p): Likewise.
11730 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11731 (PRINT_OPERAND): Likewise.
11732 * config/vax/vax.md (ashlsi3): Likewise.
11733 (ashlsi3): Likewise.
11734 (some more unnamed insns): Likewise.
11736 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11738 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11739 iterator-style macro.
11740 (mark_control_dependent_edges_necessary): Update the use of
11741 EXECUTE_IF_CONTROL_DEPENDENT.
11743 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11745 * config/sh/predicates.md (cache_address_operand): Special.
11746 (ua_address_operand): Likewise.
11748 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11750 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11752 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11754 2006-03-15 Andreas Schwab <schwab@suse.de>
11756 * gensupport.c (identify_predicable_attribute): Don't free p_false
11757 when it is still in use.
11759 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11761 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11762 the default setting here.
11764 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11766 * tree-pass.h (pass_cfg): Remove.
11767 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11768 * passes.c (pass_cfg): Don't run it.
11770 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11772 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11773 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11775 (stack_regs_mentioned): Update the uses of
11776 stack_regs_mentioned_data. Don't access the array beyond its
11778 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11779 Don't include gt-reg-stack.h.
11781 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11782 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11784 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11786 PR middle-end/26684
11787 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11790 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11792 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11794 2006-03-14 Richard Guenther <rguenther@suse.de>
11796 PR tree-optimization/26672
11797 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11800 2006-03-14 Richard Guenther <rguenther@suse.de>
11802 PR tree-optimization/26667
11803 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11804 node for the callees. Always allow inlining if it will shrink
11807 2006-03-14 Richard Guenther <rguenther@suse.de>
11809 PR middle-end/26659
11810 * builtins.c (get_pointer_alignment): Prefer alignment
11811 information from decls over that from types.
11813 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11816 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11818 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11820 * config/rs6000/rs6000.opt (mdlmzb): New option.
11821 (msched-prolog, msched-epilog): Use Var not Mask.
11822 * doc/invoke.texi (-mdlmzb): Document.
11823 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11825 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11826 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11828 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11830 PR rtl-optimization/25739
11831 * bt-load.c (augment_live_range): Free tos pointer.
11833 * gensupport.c (identify_predicable_attribute): Free
11835 * gcov.c (create_file_names): Free name pointer.
11837 2006-03-13 Roger Sayle <roger@eyesopen.com>
11839 PR middle-end/26557
11840 * stmt.c (emit_case_nodes): Handle the case where the index is a
11841 CONST_INT, where the comparison mode is specified by the index type.
11843 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11845 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11848 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11850 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11851 (*branch_fp_inverted): Likewise.
11853 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11855 PR middle-end/25989
11856 * omp-low.c (expand_omp_for_generic): Mark istart0
11857 and iend0 as addressable.
11859 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11861 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11863 2006-03-13 Jeff Law <law@redhat.com>
11865 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11866 virtual operands are interesting.
11867 (vrp_visit_stmt): Corresponding changes.
11869 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11871 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11873 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11874 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11875 * config/bfin/crti.S: Use it instead of __PIC__.
11876 * config/bfin/crtn.S: Likewise.
11878 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11879 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11881 Lose 'G' modifier for call operand.
11882 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11883 recognize 'G' modifier.
11885 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11887 PR middle-end/18859
11888 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11889 * stmt.c (expand_case): Likewise.
11891 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11893 PR rtl-optimization/26254
11894 * loop-invariant.c (seq_insns_valid_p): New function.
11895 (move_invariant_reg): Only emit new code if it is valid.
11897 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11899 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11901 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11902 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11903 (commit_one_edge_insertion): Do not look for loop notes.
11905 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11907 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11908 flag_test_coverage out of loop.
11910 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11912 * final.c (shorten_branches): Remove outdated comment, and turn
11913 the if branch that guards it to continue.
11915 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11917 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11918 * cfgloop.h (struct loop): Remove unused fields.
11920 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11922 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11923 (-dL, -fdump-rtl-loop2): Update the dump file names
11925 * doc/invoke.texi: Update dump file names.
11927 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11929 * predict.c (estimate_probability): Remove.
11930 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11931 * basic-block.h (estimate_probability): Remove prototype.
11932 * passes.c (finish_optimization_passes): Dump branch prediction or
11933 profiling heuristics to the .profile tree dump.
11934 (init_optimization_passes): Unqueue pass_branch_prob.
11936 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11938 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11940 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11941 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11943 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11945 * function.h (frame_offset_overflow): Declare.
11946 * function.c (frame_offset_overflow): New function.
11947 (assign_stack_local_1): Call it to detect that the offset overflows.
11948 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11950 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11952 * config/sh/sh.c: Include alloc-pool.h.
11953 (label_ref_list_pool): New alloc pool.
11954 (label_ref_list_t): New type for lists of labels.
11955 (struct pool_node): Make wend a label_ref_list_t.
11956 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11958 (dump_table): Likewise.
11959 (sh_reorg): Set up the alloc pool before using add_constant and
11960 dump_table, and destroy it when finishing.
11962 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11964 * config/mips/mips.c: Remove redundant comment.
11966 2006-03-10 Jason Merrill <jason@redhat.com>
11969 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11970 the target was declared 'register'.
11972 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11974 * genpreds.c (write_insn_constraint_len): Change definition of
11975 insn_constraint_len to return size_t to match the declaration.
11977 2006-03-10 DJ Delorie <dj@redhat.com>
11979 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11981 (m32c_expand_insv): Fix test for an AND mask.
11983 2006-03-10 Richard Guenther <rguenther@suse.de>
11985 PR middle-end/26565
11986 * builtins.c (get_pointer_alignment): Handle component
11987 references for field alignment.
11989 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11991 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11992 when building with libgloss.
11993 (sh*elf): Implement --without-fp option.
11994 (sh64-superh-linux*): Don't multilib.
11996 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11998 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12000 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12002 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12003 Set it when one of the replacement functions returned true.
12004 Return TODO_cleanup_cfg if cfgchanged is true.
12005 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12007 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12009 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12010 instead of gen_lowpart.
12012 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12014 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12016 (mips_output_order_conditional_branch): Declare.
12017 * config/mips/mips.h (MIPS_BRANCH): New macro.
12018 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12019 for the comparison. Use gen_condjump.
12020 (mips_output_conditional_branch): Rework interface to take the
12021 asm templates for a direct branch and the inverse of a direct branch.
12022 (mips_output_order_conditional_branch): New function.
12023 (mips_builtin_branch_and_move): New function.
12024 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12025 branch condition. Use gen_single_cc as the condition for
12026 __builtin_mips_upper_* or __builtin_mips_lower_*.
12027 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12028 Use VOIDmode for the branch condition.
12029 * config/mips/predicates.md (order_operator): New predicate.
12030 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12031 (branch_fp): Rename to...
12032 (*branch_fp): ...this. Remove mode from comparison operator.
12033 Use new mips_output_conditional_branch interface.
12034 (branch_fp_inverted): Rename to...
12035 (*branch_fp_inverted): ...this and update as for *branch_fp.
12036 (*branch_zero<mode>): Rename to...
12037 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12038 Use mips_output_order_conditional_branch. Only accept ordered
12040 (*branch_zero<mode>_inverted): Rename to...
12041 (*branch_order<mode>_inverted): ...this and update as for
12042 *branch_order<mode>.
12043 (*branch_equality<mode>): Accept zero as the second operand to
12044 the equality operator. Use the new mips_output_conditional_branch
12046 (*branch_equality<mode>_inverted): Likewise.
12047 (condjump): New expander.
12048 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12050 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12051 (bc1any2t, bc1any2f): Likewise.
12052 (single_cc): New expander.
12053 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12055 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12057 * doc/md.texi: Update documentation of MIPS constraints.
12058 * config/mips/constraints.md: New file.
12059 * config/mips/mips.md: Include it.
12060 * config/mips/mips.c (mips_char_to_class): Delete.
12061 (override_options): Don't initialize mips_char_to_class.
12062 * config/mips/mips.h (mips_char_to_class): Delete.
12063 (REG_CLASS_FROM_LETTER): Delete.
12064 (CONST_OK_FOR_LETTER_P): Delete.
12065 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12066 (EXTRA_CONSTRAINT_Y): Delete.
12067 (EXTRA_CONSTRAINT_STR): Delete.
12068 (CONSTRAINT_LEN): Delete.
12069 (EXTRA_MEMORY_CONSTRAINT): Delete.
12071 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12073 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12074 original fn's eh regions.
12076 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12078 * fold-const.c (build_range_check): Make sure to use a valid type to
12079 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12082 (range_predecessor): New static function.
12083 (range_successor): Likewise.
12084 (merge_ranges): Use them to compute predecessors and successors of
12087 2006-03-09 Roger Sayle <roger@eyesopen.com>
12089 PR middle-end/26561
12090 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12091 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12093 2006-03-08 DJ Delorie <dj@redhat.com>
12095 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12096 (addpsi3): Expand to include memory operands. Remove
12097 reload-specific splits.
12098 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12099 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12100 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12101 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12102 (shift1_qi, shift1_hi, insv): New.
12103 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12104 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12105 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12107 * config/m32c/m32c-protos.h: Update as needed.
12108 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12109 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12110 Fail for unrecognized R* constraints.
12111 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12112 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12113 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12115 (m32c_init_libfuncs): New.
12116 (m32c_legitimate_address_p): Add debug wrapper.
12117 (m32c_rtx_costs): New.
12118 (m32c_address_cost): New.
12119 (conversions): Add 'B' prefix.
12120 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12121 operands, or word regnames for QI operands. 'B' prints bit
12123 (m32c_expand_setmemhi): New.
12124 (m32c_expand_movmemhi): New.
12125 (m32c_expand_movstr): New.
12126 (m32c_expand_cmpstr): New.
12127 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12128 (m32c_expand_neg_mulpsi3): Handle non-ints.
12129 (m32c_cmp_flg_0): New.
12130 (m32c_expand_movcc): New.
12131 (m32c_expand_insv): New.
12132 (m32c_scc_pattern): New.
12133 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12134 a0/a1 out of SIregs.
12135 (STORE_FLAG_VALUE): New.
12136 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12139 * config/m32c/mov.md: Make constraints more liberal.
12140 (zero_extendqihi2): Optimize r0/r1 case.
12141 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12142 * config/m32c/predicates.md (m32c_any_operand): New.
12143 (m32c_nonimmediate_operand): New.
12144 (m32c_hl_operand): New.
12145 (m32c_r3_operand): New.
12148 (memsym_operand): New.
12149 (memimmed_operand): New.
12150 (a_qi_operand): New.
12151 (m32c_eqne_operator): New.
12152 (m32c_1bit8_operand): New.
12153 (m32c_1bit16_operand): New.
12154 (m32c_1mask8_operand): New.
12155 (m32c_1mask16_operand): New.
12156 * config/m32c/blkmov.md: New file.
12157 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12159 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12161 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12162 unsigned to fix signed/unsigned comparison issue in
12163 DWARF2_FRAME_REG_OUT.
12164 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12165 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12167 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12168 of ptr into the ENABLE_CHECKING section.
12170 2006-03-08 Jeff Law <law@redhat.com>
12172 * tree-vrp.c (infer_value_range): Only count pointer uses
12173 and dereferences if -fdelete-null-pointer-checks is enabled.
12175 * tree-vrp.c (find_assert_locations): Infer value ranges for
12176 single use pointers, but do not create ASSERT_EXPRs for them.
12177 When a non-null range is inferred for a pointer, backwards
12178 propagate that range to other equivalent pointers through the
12181 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12184 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12185 language hook targets.
12186 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12187 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12188 if language hook targets were missing.
12190 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12192 * tree-ssa-opfinalize.h: Removed.
12193 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12195 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12196 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12197 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12198 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12199 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12200 finalize_ssa_v_must_def_ops): New.
12202 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12204 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12205 block as parameter.
12207 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12209 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12211 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12212 addresses with offsets; reorganize.
12214 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12215 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12216 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12218 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12221 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12223 2006-03-08 Ben Elliston <bje@au.ibm.com>
12225 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12227 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12230 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12233 2006-03-07 Richard Guenther <rguenther@suse.de>
12235 PR tree-optimization/26587
12236 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12238 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12240 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12242 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12244 * hooks.c (hook_bool_mode_rtx_true): New function.
12245 * hooks.h (hook_bool_mode_rtx_true): Declare.
12246 * toplev.c (compile_file): Call output_shared_constant_pool.
12247 * varasm.c (shared_constant_pool): New variable.
12248 (assemble_start_function, assemble_end_function): Remove arguments
12249 from call to output_constant_pool.
12250 (create_constant_pool): New function, split out from...
12251 (init_varasm_status): ...here.
12252 (force_const_mem): Choose between the shared and per-function constant
12253 pools. Set current_function_uses_const_pool when reusing old entries
12254 as well as when creating new ones.
12255 (mark_constant): Ignore data argument.
12256 (mark_constants): Remove pool argument.
12257 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12258 to decide whether the function uses a constant pool.
12259 (output_constant_pool_contents): New function, split out from...
12260 (output_constant_pool): ...here.
12261 (output_shared_constant_pool): New function.
12262 (init_varasm_once): Initialize shared_constant_pool.
12263 * output.h (output_constant_pool): Delete.
12264 (output_shared_constant_pool): Declare.
12265 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12266 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12268 2006-03-06 Nick Clifton <nickc@redhat.com>
12270 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12271 flag_strength_reduce.
12273 2006-03-06 Ben Elliston <bje@au.ibm.com>
12275 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12276 x86_64-*-linux* configurations.
12278 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12279 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12281 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12283 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12285 * basic-block.h: Remove the extern for
12286 rediscover_loops_after_threading.
12288 * cfgloop.c (cancel_loop): Make it static.
12289 * cfgloop.h: Remove the prototype for cancel_loop.
12291 * flow.c (recompute_reg_usage): Make it static.
12292 * rtl.h: Remove the prototype for recompute_reg_usage.
12294 * function.c (use_return_register): Make it static.
12295 * function.h: Remove the prototype.
12297 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12299 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12301 * recog.h: Remove the prototype for
12302 validate_change_maybe_volatile.
12304 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12306 * rtlanal.c (replace_reg): Remove.
12307 * rtl.h: Remove the prototype for replace_reg.
12309 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12311 * regclass.c (reg_scan_update): Remove.
12312 (reg_scan_mark_refs): Remove the last argument.
12313 * rtl.h: Remove the prototype for reg_scan_update.
12315 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12317 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12318 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12319 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12320 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12321 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12322 loop-invariant.c, omp-low.c, opts.c, passes.c,
12323 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12324 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12325 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12326 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12327 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12328 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12330 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12332 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12333 * dwarf2out.h: Remove the prototype for
12334 dwarf2out_add_library_unit_info.
12336 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12338 * tree.c (add_var_to_bind_expr): Remove.
12339 * tree.h: Remove the prototype for add_var_to_bind_expr.
12341 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12343 * regclass.c (n_non_fixed_regs): Remove.
12344 (init_reg_sets_1, globalize_reg): Remove all uses of
12346 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12348 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12350 * rtlanal.c (insns_safe_to_move_p): Remove.
12351 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12353 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12355 * expmed.c (expand_mult_add): Remove.
12356 * expr.h: Remove the prototype for expand_mult_add.
12358 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12360 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12361 and REG_SAVED_VAL_EXP constants.
12362 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12363 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12364 Handle regs stored by value.
12365 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12366 (execute_cfa_program): Handle DW_CFA_val_offset,
12367 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12368 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12369 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12370 (uw_install_context_1): Handle target regs stored by value.
12372 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12374 * tree-sra.c (tree_sra): Return todoflags;
12375 (generate_one_element): Set TODO_update_smt_usage if needed.
12376 (pass_sra): Remove TODO_update_smt_usage.
12377 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12379 (tree_ssa_forward_propagate_single_use_vars): Return
12380 TODO_update_smt_usage if we need to update SMT usage.
12381 (pass_forwprop): Remove TODO_update_smt_usage.
12383 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12385 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12386 (correct_use_link): Remove reference to get_stmt_operands.
12387 (update_stmt_operands): Likewise.
12388 (get_modify_expr_operands): New function factored out of
12389 parse_ssa_operands and get_expr_operands.
12390 Try to create V_MUST_DEFs for LHS by default.
12391 (get_expr_operands) <case MODIFY_EXPR>: Call
12392 get_modify_expr_operands.
12393 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12394 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12395 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12396 get_modify_expr_operands.
12398 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12400 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12401 * tree-flow.h: Remove the prototype for
12402 referenced_var_lookup_if_exists.
12404 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12406 PR rtl-optimization/26345
12408 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12410 2006-03-03 Roger Sayle <roger@eyesopen.com>
12412 PR tree-optimization/26524
12413 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12414 fold_convert to create a constant of the appropriate type.
12416 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12418 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12419 SYMBOL_REF_IN_BLOCK_P.
12420 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12421 of SYMBOL_FLAG_IN_BLOCK.
12422 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12423 instead of SYMBOL_REF_IN_BLOCK_P.
12424 * explow.c (use_anchored_address): Likewise.
12425 * rtl.c (rtx_size): Likewise.
12426 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12427 instead of SYMBOL_FLAG_IN_BLOCK.
12428 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12429 SYMBOL_REF_IN_BLOCK_P.
12430 (assemble_variable): Likewise.
12431 (output_constant_def_contents): Likewise.
12432 (output_constant_pool): Likewise.
12433 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12434 instead of SYMBOL_FLAG_IN_BLOCK.
12435 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12436 SYMBOL_REF_IN_BLOCK_P.
12437 (SYMBOL_REF_BLOCK): Likewise.
12438 (SYMBOL_REF_OFFSET): Likewise.
12439 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12440 SYMBOL_REF_IN_BLOCK_P.
12441 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12442 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12443 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12444 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12446 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12448 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12450 2006-03-02 Roger Sayle <roger@eyesopen.com>
12452 * simplify-rtx.c (simplify_unary_operation): When simplifying
12453 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12454 that we perform the right shift in the appropriate mode, and
12455 then extend or truncate the result to requested mode.
12457 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12459 * gengtype.c (main): Handle double_int type.
12460 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12461 * double-int.c: New file.
12462 * double-int.h: New file.
12463 * system.h: Include doubleint.h.
12464 * Makefile.in (SYSTEM_H): Include double-int.h.
12465 (double-int.o): Add.
12467 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12470 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12473 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12475 * tree-vrp.c (remove_range_assertions): Do not update statements
12478 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12480 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12482 * gcse.c (rest_of_handle_gcse): Ditto.
12483 * except.c (gate_handle_eh): Ditto.
12484 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12485 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12487 2006-03-02 Eric Christopher <echristo@apple.com>
12489 * config/i386/i386.c (machopic_output_stub): Add indirection to
12492 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12496 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12498 Sun Niagara specific optimizations.
12499 * config.gcc: Recognize niagara as target.
12500 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12501 (TARGET_CPU_niagara): Define.
12502 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12503 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12504 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12505 (ASM_CPU_SPEC): Likewise.
12506 (PROCESSOR_NIAGARA): New enum entry.
12507 (REGISTER_MOVE_COST): Handle Niagara.
12508 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12509 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12510 (sparc_override_options): Recognize "niagara", set appropriate
12511 default MASK_* values for it, and align functions to 32-bytes
12512 by default just like ULTRASPARC/ULTRASPARC3.
12513 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12514 (sparc64_initialize_trampoline): Likewise.
12515 (sparc_use_sched_lookahead): Use zero for niagara.
12516 (sparc_issue_rate): Use one for niagara.
12517 * config/sparc/niagara.md: New file.
12518 * config/sparc/sparc.md: Include it.
12519 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12520 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12521 when default cpu is niagara.
12522 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12523 (ASM_CPU_SPEC): Likewise.
12524 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12525 when default cpu is niagara.
12526 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12527 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12528 just like v9/ultrasparc/ultrasparc3.
12529 * doc/invoke.texi: Add documentation for "niagara" and improve
12530 existing documentation for ultrasparc variants.
12532 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12534 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12536 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12538 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12539 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12540 and say that only one is needed.
12541 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12542 * target.h (have_switchable_bss_sections): New hook.
12543 * explow.c (use_anchored_address): Check that the symbol is in a block.
12544 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12545 (bss_noswitch_section): New variables.
12546 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12547 (get_noswitch_section): New function.
12548 (get_block_for_section): Allow SECT to be null.
12549 (unlikely_text_section_p): Use SECTION_STYLE.
12550 (bss_initializer_p): New function.
12551 (get_variable_section): Move earlier in file. Take a new argument,
12552 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12553 Return one of the new *_sections in such cases.
12554 (get_block_for_decl): New function, extracting some logic from
12555 use_blocks_for_decl_p.
12556 (change_symbol_section): Remove in favor of...
12557 (change_symbol_block): ...this new function.
12558 (use_blocks_for_decl_p): Remove checks now performed by
12559 get_block_for_decl.
12560 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12561 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12562 (emit_local, emit_bss, emit_common): ...these new functions.
12563 Return true if the alignment was honored.
12564 (emit_tls_common): New function.
12565 (asm_emit_uninitialised): Delete.
12566 (assemble_variable_noswitch): New function, split out from...
12567 (assemble_variable): ...here. Don't make decisions about common
12568 variables here. Globalize all public decls that go into non-common
12569 sections. Check whether SYMBOL_REF_BLOCK is null.
12570 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12571 (output_constant_pool): Likewise.
12572 (init_varasm_once): Initialize the new section variables.
12573 (have_global_bss_p): New function.
12574 (categorize_decl_for_section): Use bss_initializer_p.
12575 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12576 (place_block_symbol): Assert that the symbol must be in a block.
12577 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12578 (TARGET_INITIALIZER): Include it.
12579 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12580 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12581 (SECTION_MACH_DEP): Bump by two.
12582 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12583 (unnamed_section): Mention SECTION_UNNAMED in comment.
12584 (named_section): Likewise SECTION_NAMED.
12585 (noswitch_section_callback): New type.
12586 (noswitch_section): New structure.
12587 (section): Add a noswitch_section alternative.
12588 (SECTION_STYLE): New macro.
12589 (tls_comm_section, comm_section, lcomm_section): Declare.
12590 (bss_noswitch_section, have_global_bss_p): Declare.
12591 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12592 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12594 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12595 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12598 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12600 * tree-vrp.c (execute_vrp): Return value.
12601 * regrename.c (rest_of_handle_regrename): Ditto.
12602 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12603 * tree-complex.c (tree_lower_complex): Ditto.
12604 (tree_lower_complex_O0): Ditto.
12605 * tracer.c (rest_of_handle_tracer): Ditto.
12606 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12607 * postreload.c (rest_of_handle_postreload): Ditto.
12608 * tree-tailcall.c (execute_tail_recursion): Ditto.
12609 (execute_tail_calls): Ditto.
12610 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12611 * tree.h (init_function_for_compilation): Ditto.
12612 * ipa-cp.c (ipcp_driver): Ditto.
12613 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12614 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12615 * final.c (compute_alignments): Ditto.
12616 (rest_of_handle_final): Ditto.
12617 (rest_of_handle_shorten_branches): Ditto.
12618 (rest_of_clean_state): Ditto.
12619 * omp-low.c (execute_expand_omp): Ditto.
12620 (execute_lower_omp): Ditto.
12621 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12622 * ipa-reference.c (static_execute): Ditto.
12623 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12624 * reorg.c (rest_of_handle_delay_slots): Ditto.
12625 (rest_of_handle_machine_reorg): Ditto.
12626 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12627 * flow.c (recompute_reg_usage): Ditto.
12628 (rest_of_handle_remove_death_notes): Ditto.
12629 (rest_of_handle_life): Ditto.
12630 (rest_of_handle_flow2): Ditto.
12631 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12632 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12633 (do_ssa_store_ccp): Ditto.
12634 (execute_fold_all_builtins): Ditto.
12635 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12636 * modulo-sched.c (rest_of_handle_sms): Ditto.
12637 * ipa-pure-const.c (static_execute): Ditto.
12638 * cse.c (rest_of_handle_cse): Ditto.
12639 (rest_of_handle_cse2): Ditto.
12640 * web.c (rest_of_handle_web): Ditto.
12641 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12642 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12643 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12644 * tree-nrv.c (tree_nrv): Ditto.
12645 (execute_return_slot_opt): Ditto.
12646 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12647 (create_structure_vars): Ditto.
12648 * loop-init.c (rtl_loop_init): Ditto.
12649 (rtl_loop_done): Ditto.
12650 (rtl_move_loop_invariants): Ditto.
12651 (rtl_unswitch): Ditto.
12652 (rtl_unroll_and_peel_loops): Ditto.
12653 (rtl_doloop): Ditto.
12654 * gimple-low.c (lower_function_body): Ditto.
12655 (mark_used_blocks): Ditto.
12656 * tree-ssa-sink.c (execute_sink_code): Ditto.
12657 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12658 (cgraph_early_inlining): Ditto.
12659 * global.c (rest_of_handle_global_alloc): Ditto.
12660 * jump.c (cleanup_barriers): Ditto.
12661 (purge_line_number_notes): Ditto.
12662 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12663 (rest_of_handle_if_after_reload): Ditto.
12664 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12665 (tree_ssa_loop_im): Ditto.
12666 (tree_ssa_loop_unswitch): Ditto.
12667 (tree_vectorize): Ditto.
12668 (tree_linear_transform): Ditto.
12669 (tree_ssa_loop_ivcanon): Ditto.
12670 (tree_ssa_empty_loop): Ditto.
12671 (tree_ssa_loop_bounds): Ditto.
12672 (tree_complete_unroll): Ditto.
12673 (tree_ssa_loop_prefetch): Ditto.
12674 (tree_ssa_loop_ivopts): Ditto.
12675 (tree_ssa_loop_done): Ditto.
12676 * predict.c (tree_estimate_probability): Ditto.
12677 * recog.c (split_all_insns_noflow): Ditto.
12678 (rest_of_handle_peephole2): Ditto.
12679 (rest_of_handle_split_all_insns): Ditto.
12680 * tree-eh.c (lower_eh_constructs): Ditto.
12681 * regmove.c (rest_of_handle_regmove): Ditto.
12682 (rest_of_handle_stack_adjustments): Ditto.
12683 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12684 * function.c (instantiate_virtual_regs): Ditto.
12685 (init_function_for_compilation): Ditto.
12686 (rest_of_handle_check_leaf_regs): Ditto.
12687 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12688 (rest_of_handle_gcse): Ditto.
12689 * ipa-type-escape.c (type_escape_execute): Ditto.
12690 * alias.c (rest_of_handle_cfg): Ditto.
12691 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12692 * profile.c (rest_of_handle_branch_prob): Ditto.
12693 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12694 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12695 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12696 * tree-dfa.c (find_referenced_vars): Ditto.
12697 * except.c (set_nothrow_function_flags): Ditto.
12698 (convert_to_eh_region_ranges): Ditto.
12699 (rest_of_handle_eh): Ditto.
12700 * emit-rtl.c (unshare_all_rtl): Ditto.
12701 (remove_unnecessary_notes): Ditto.
12702 * except.h (set_nothrow_function_flags): Ditto.
12703 (convert_to_eh_region_ranges): Ditto.
12704 * cfgexpand.c (tree_expand_cfg): Ditto.
12705 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12706 * tree-ssa-pre.c (do_pre): Ditto.
12707 (execute_fre): Ditto.
12708 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12709 (rest_of_handle_jump2): Ditto.
12710 * tree-sra.c (tree_sra): Ditto.
12711 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12712 (execute_mudflap_function_decls): Ditto.
12713 * tree-ssa-copy.c (do_copy_prop): Ditto.
12714 (do_store_copy_prop): Ditto.
12715 * ipa-prop.h (ipcp_driver): Ditto.
12716 * cfglayout.c (insn_locators_initialize): Ditto.
12717 * tree-ssa-forwprop.c
12718 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12719 * cfglayout.h (insn_locators_initialize): Ditto.
12720 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12721 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12722 (execute_late_warn_uninitialized): Ditto.
12723 * rtl.h (cleanup_barriers): Ditto.
12724 (split_all_insns_noflow): Ditto.
12725 (purge_line_number_notes): Ditto.
12726 (unshare_all_rtl): Ditto.
12727 (remove_unnecessary_notes): Ditto.
12728 (recompute_reg_usage): Ditto.
12729 (variable_tracking_main): Ditto.
12730 * integrate.c (emit_initial_value_sets): Ditto.
12731 * integrate.h (emit_initial_value_sets): Ditto.
12732 * tree-optimize.c (execute_free_datastructures): Ditto
12733 (execute_free_cfg_annotations): Ditto.
12734 (execute_fixup_cfg): Ditto.
12735 (execute_cleanup_cfg_pre_ipa): Ditto.
12736 (execute_cleanup_cfg_post_optimizing): Ditto.
12737 (execute_init_datastructures): Ditto.
12738 * tree-object-size.c (compute_object_sizes): Ditto.
12739 * combine.c (rest_of_handle_combine): Ditto.
12740 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12741 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12742 (rest_of_handle_reorder_blocks): Ditto.
12743 (rest_of_handle_partition_blocks): Ditto.
12744 * var-tracking.c (variable_tracking_main): Ditto.
12745 * tree-profile.c (tree_profiling): Ditto.
12746 * tree-vect-generic.c (expand_vector_operations): Ditto.
12747 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12748 * sched-rgn.c (rest_of_handle_sched): Ditto.
12749 (rest_of_handle_sched2): Ditto.
12750 * basic-block.h (free_bb_insn): Ditto.
12751 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12752 * tree-cfg.c (execute_build_cfg): Ditto.
12753 (remove_useless_stmts): Ditto.
12754 (split_critical_edges): Ditto.
12755 (execute_warn_function_return): Ditto.
12756 (execute_warn_function_noreturn): Ditto.
12757 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12758 * cfgrtl.c (free_bb_for_insn): Ditto.
12759 * passes.c (execute_one_pass): Run additional
12760 todos returned by execute function.
12761 * tree-pass.h (struct tree_opt_pass): Make execute
12764 2006-03-02 Richard Guenther <rguenther@suse.de>
12766 * tree-ssa-alias.c (find_used_portions): Consider taking
12767 the address as making the variable not write-only.
12769 2006-03-02 Nick Clifton <nickc@redhat.com>
12771 * config.gcc (default_use_cxa_atexit): Extend the description of
12772 this configure variable. Set its default value to "yes" for
12773 Linux, NetBSD and ELF targets on the assumption that they will
12774 use C libraries with the __cxa_atexit function.
12776 2006-03-02 Ben Elliston <bje@au.ibm.com>
12778 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12779 parameter as unused to suppress a build warning.
12781 2006-03-02 Ben Elliston <bje@au.ibm.com>
12783 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12786 2006-03-01 Roger Sayle <roger@eyesopen.com>
12789 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12790 declared name, the weak reference name, and the typeof name.
12791 (__gthrw): Avoid expanding the declared name suffix.
12792 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12794 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12796 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12798 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12799 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12800 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12801 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12802 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12803 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12804 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12805 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12806 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12807 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12808 (DW_END_default, DW_END_big, DW_END_little): New.
12809 (DW_END_lo_user, DW_END_hi_user): Define.
12810 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12811 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12812 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12815 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12817 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12819 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12821 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12823 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12825 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12826 to 'symbol_mem_tag'.
12828 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12831 2006-03-01 Roger Sayle <roger@eyesopen.com>
12833 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12835 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12838 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12839 MACHO_DYNAMIC_NO_PIC_P.
12840 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12842 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12845 * config/darwin-protos.h (darwin_asm_output_anchor):
12847 * config/darwin-sections.def (cstring_section):
12848 Add SECTION_MERGE to the flags.
12849 (literal4_section): Likewise.
12850 (literal8_section): Likewise.
12851 (objc_selector_refs_section): Likewise.
12852 (objc_cls_refs_section): Likewise.
12853 * config/darwin.c (darwin_asm_output_anchor): New
12855 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12857 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12859 Fix PR tree-optimization/26443
12860 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12861 to todo and PROP_tmt_usage to properties_destroyed.
12862 * tree-ssa-ccp.c (pass_ccp): Ditto.
12863 (pass_store_ccp): Ditto.
12864 * tree-ssa-dom.c (pass_dominator): Ditto.
12866 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12868 * tree-ssa-operands.c: Cleanup whitespace.
12869 (get_asm_expr_operands): Move before first invocation.
12870 (get_indirect_ref_operands): Likewise.
12871 (get_tmr_operands): Likewise.
12872 (get_call_expr_operands): Likewise.
12873 (append_def): Likewise.
12874 (append_use): Likewise.
12875 (append_v_may_def): Likewise.
12876 (append_v_must_def): Likewise.
12877 (add_call_clobber_ops): Likewise.
12878 (add_call_read_ops): Likewise.
12879 (add_stmt_operand): Likewise.
12880 (add_virtual_operand): Likewise.
12881 (build_ssa_operands): Likewise.
12883 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12885 PR middle-end/26022
12887 PR middle-end/24437
12888 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12889 with a call expr to ...
12890 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12892 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12894 * tree-vrp.c (extract_range_from_assert): Remove special
12895 handling for types with super-types.
12897 2006-03-01 Ben Elliston <bje@au.ibm.com>
12899 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12900 and powerpc64-*-linux* configurations.
12901 * config/t-dfprules: New file.
12903 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12904 Compile dfp-bit.c from the source directory using -DWIDTH and
12905 $DFP_CFLAGS to control the compilation of that file, rather than
12906 generating width-specific versions in the build directory.
12907 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12908 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12910 2006-02-28 Zack Weinberg <zackw@panix.com>
12912 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12915 2006-02-28 Eric Christopher <echristo@apple.com>
12917 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12918 Set up IN_LIBGCC definition of TARGET_64BIT.
12919 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12921 2006-02-28 Roger Sayle <roger@eyesopen.com>
12923 PR middle-end/14752
12924 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12925 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12926 cases via the construction of "expr != 0".
12928 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12930 * alias.c (alias_invariant, alias_invariant_size): Remove.
12931 (record_base_value): Remove.
12932 (memrefs_conflict_p): Don't look at alias_invariant.
12933 (end_alias_analysis): Don't free it.
12934 * alias.h (record_base_value): Remove prototype.
12936 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12937 Adam Nemet <anemet@caviumnetworks.com>
12939 * rtl.h (truncated_to_mode): Declare it.
12940 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12941 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12942 (RTL_HOOKS_INITIALIZER): Include it.
12943 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12944 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12945 reg_truncated_to_mode.
12946 * rtlanal.c (truncated_to_mode): Define it.
12947 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12949 2006-02-28 Jeff Law <law@redhat.com>
12951 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12952 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12953 the range allowed by TYPE_PRECISION.
12955 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12957 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12959 PR tree-optimization/26419
12960 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12963 2006-02-27 Zack Weinberg <zackw@panix.com>
12965 * doc/md.texi: Fix typo in previous change.
12967 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12971 2006-02-27 Zack Weinberg <zackw@panix.com>
12973 * rtl.def (define_constraint, define_register_constraint)
12974 (define_memory_constraint, define_address_constraint): New MD forms.
12975 * gensupport.c (process_rtx): Put define_constraint etc on the
12977 * genpreds.c (process_define_predicate): Adjust comment. Validate
12978 the name, and call validate_exp to validate the expression.
12979 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12980 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12981 all callers changed.
12982 (validate_exp, needs_variable, struct constraint_data)
12983 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12984 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12985 (const_dbl_constraints, constraint_max_namelen)
12986 (have_register_constraints, have_memory_constraints)
12987 (have_address_constraints, have_address_constraints)
12988 (have_extra_constraints, have_const_int_constraints)
12989 (have_const_dbl_constraints, mangle, add_constraint)
12990 (process_define_constraint, process_define_register_constraint)
12991 (write_enum_constraint_num, write_lookup_constraint)
12992 (write_insn_constraint_len, write_regclass_for_constraint)
12993 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12994 (write_insn_extra_memory_constraint)
12995 (write_insn_extra_address_constraint)
12996 (write_satisfies_constraint_fns): New.
12997 (write_tm_preds_h): If we have new-style constraint definitions,
12998 prototype the functions generated from them, and define the
12999 old constraint interface (still used by generic code) in terms of
13001 (write_insn_preds_c): If we have new-style constraint definitions,
13002 generate all relevant functions from those definitions.
13003 (main): Handle define_constraint etc.
13004 * genoutput.c (struct constraint_data, indep_constraints)
13005 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13006 (mdep_constraint_len): New data structures and functions, defined
13007 #ifdef USE_MD_CONSTRAINTS.
13008 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13009 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13010 use new logic to validate operand constraints against constraint
13012 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13014 * defaults.h: If none of the old-style constraint macros are
13015 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13016 old-style macros; and poison REG_CLASS_FROM_LETTER,
13017 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13019 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13020 * doc/md.texi: Document new constraint-definition mechanism and the
13021 C interface it provides. Remove references to old mechanism
13022 elsewhere in the document.
13023 (Machine Constraints): Use pathnames relative to gcc directory,
13024 i.e. config/ARCH/FILE. Change i386 section to refer to
13025 config/i386/predicates.md; update that section to match docstrings.
13026 * doc/tm.texi: Move all documentation of the old constraint-
13027 definition macros to their own section, clearly mark as obsolete.
13029 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13030 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13032 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13033 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13034 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13035 constraint strings.
13036 (splits and peepholes): Use satisfies_constraint_*.
13037 * config/i386/i386.c (memory_address_length)
13038 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13040 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13042 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13043 scalar operation to be put back into the loop.
13045 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13048 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13049 (extract_cie_info): Handle S flag in augmentation string.
13050 (execute_cfa_program): If context->signal_frame, execute also
13051 fs->pc == context->ra instructions.
13052 (uw_frame_state_for): If context->signal_frame, don't subtract one
13053 from context->ra to find FDE.
13054 (uw_update_context_1): Set context->signal_frame to
13056 (_Unwind_GetIPInfo): New function.
13057 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13058 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13060 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13061 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13062 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13063 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13064 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13065 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13066 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13067 x86_64_fallback_frame_state): Set fs->signal_frame.
13068 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13069 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13070 (frob_update_context): Likewise. Workaround missing S flag in
13071 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13072 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13073 Remove the psw_addr + 1 hack.
13075 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13077 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13078 with aggregates here.
13079 (find_func_aliases): Remove code for &<aggregate> from here.
13081 2006-02-26 Roger Sayle <roger@eyesopen.com>
13083 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13084 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13085 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13086 as (X & C) ne/eq 0.
13088 2006-02-26 Roger Sayle <roger@eyesopen.com>
13090 PR middle-end/19983
13091 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13093 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13095 * opts.c (decode_options): Do not handle flag_strength_reduce.
13096 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13097 and OPT_fstrength_reduce.
13098 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13099 flag_prefetch_loop_arrays for being nonzero.
13100 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13102 (fprefetch-loop-arrays-rtl): Removed.
13103 (flag_prefetch_loop_arrays): Do not specify the value.
13105 * doc/passes.texi: Update documentation of loop optimizer
13107 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13108 -frerun-loop-opt): Remove.
13110 2006-02-26 Richard Guenther <rguenther@suse.de>
13112 PR tree-optimization/26421
13113 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13114 in function calls that are ADDR_EXPRs as using the whole structure.
13116 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13118 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13119 * tree-pass.h (pass_loop_optimize): Remove.
13120 * passes.c (pass_loop_optimize): Never run it.
13121 * toplev.c (backend_init): Don't call init_loop.
13122 * opts.c (flag_loop_optimize_set): Remove.
13123 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13124 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13125 the old RTL loop optimizer when profiling enabled.
13126 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13127 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13128 pre-headers for the sake of the old RTL loop optimizer.
13129 * Makefile.in: Remove all references to loop.o.
13131 * doc/invoke.texi: Remove all references to -floop-optimize
13132 and -frerun-loop-opt.
13134 2006-02-26 Zack Weinberg <zackw@panix.com>
13136 * doc/md.texi (Machine Constraints): Refer to all files with paths
13137 relative to gcc directory (i.e. config/CPU/file). Add missing
13138 @table @code ... @end table to M32C subsection.
13140 2006-02-26 Roger Sayle <roger@eyesopen.com>
13142 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13144 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13146 2006-02-26 Roger Sayle <roger@eyesopen.com>
13147 James A. Morrison <phython@gcc.gnu.org>
13149 PR middle-end/21137
13150 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13151 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13152 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13153 signedness of the shift operation.
13155 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13157 PR tree-optimization/26359
13158 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13160 2006-02-25 Roger Sayle <roger@eyesopen.com>
13162 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13163 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13164 as X == 0, and some symmetry related transformations.
13165 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13167 2006-02-25 Roger Sayle <roger@eyesopen.com>
13169 PR middle-end/23673
13170 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13171 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13172 symmetry related transformations. Fold (X^C1) == C2 as
13175 2006-02-25 Juergen Weigert <jw@suse.de>
13176 Richard Guenther <rguenther@suse.de>
13178 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13180 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13182 * combine.c (gen_lowpart_or_truncate): Call
13183 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13185 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13187 * doc/invoke.texi: Move -fopenmp description to "Options for
13189 Remove reference to -lgomp.
13191 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13193 * doc/install.texi: Require GNU tar version 1.14.
13195 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13197 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13198 * doc/invoke.texi (C++ Dialect Options): Document
13199 -fno-use-cxa-get-exception-ptr.
13200 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13201 * configure: Regenerate.
13202 * c.opt (fuse-cxa-get-exception-ptr): New.
13203 * c-opts.c (c_common_handle_option): Handle
13204 OPT_fuse_cxa_get_exception_ptr.
13205 * c-common.c (flag_use_cxa_atexit): Update documentation.
13206 (flag_use_cxa_get_exception_ptr): New.
13207 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13208 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13210 (C_COMMON_OVERRIDE_OPTIONS): New.
13212 2006-02-24 Roger Sayle <roger@eyesopen.com>
13214 PR middle-end/24952
13215 * combine.c (try_combine): Explicitly check whether GET_CODE is
13216 a SET or a CLOBBER, instead on checking that it isn't a USE.
13218 2006-02-24 Roger Sayle <roger@eyesopen.com>
13220 * fold-const.c (fold_comparison): New subroutine of fold_binary
13221 containing transformations common to both the equality and
13222 ordering relational operators, factored out of fold_binary.
13223 (fold_binary): Separate out the equality operators (EQ_EXPR
13224 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13225 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13226 transformations common to both.
13227 (fold_div_compare): Fix latent bugs in the previously unreachable
13228 LT_EXPR and GE_EXPR cases.
13230 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13232 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13233 decl libname for clog to __clog on AIX.
13235 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13237 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13240 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13241 output traceback table for thunks. Localise rs6000_stack_info call.
13243 2006-02-23 Roger Sayle <roger@eyesopen.com>
13244 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13246 * gthr-posix.h (__gthrw): Fix typo in comment.
13248 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13250 * doc/cpp.texi (Character sets): Document that we do support
13251 input files to be in any character set.
13253 2006-02-23 Jeff Law <law@redhat.com>
13255 * tree.h (PHI_ARG_NONZERO): Remove.
13256 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13257 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13258 node to the new node.
13260 PR tree-optimization/26425
13261 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13262 min/max, then assume its varying.
13264 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13266 PR rtl-optimization/26316
13267 * rtlanal.c (enum may_trap_p_flags): New.
13268 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13269 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13270 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13271 (may_trap_after_code_motion_p): New function.
13272 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13273 (find_invariant_insn): Use may_trap_after_code_motion_p.
13274 * rtl.h (may_trap_after_code_motion_p): Declare.
13276 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13278 * emit-rtl.c (immed_double_const): Cleanup.
13280 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13282 Fix PR tree-optimization/26376
13283 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13286 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13288 PR middle-end/26412
13289 * gimplify.c (omp_add_variable): Guard variable size decl test with
13290 DECL_SIZE (decl) check.
13292 2006-02-23 Richard Guenther <rguenther@suse.de>
13294 PR middle-end/26439
13295 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13296 like aggregate types.
13298 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13300 * configure.ac: Add --with{,out}-long-double-128 configure option.
13301 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13302 * configure: Rebuilt.
13303 * config.in: Rebuilt.
13304 * doc/install.texi (Options specification): Document
13305 --with-long-double-128.
13307 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13308 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13309 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13310 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13312 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13314 * config/s390/s390.c (override_options): Handle
13315 TARGET_DEFAULT_LONG_DOUBLE_128.
13317 * config/alpha/alpha.c (override_options): Handle
13318 TARGET_DEFAULT_LONG_DOUBLE_128.
13320 * config/sparc/sparc.c (sparc_override_options): Handle
13321 TARGET_DEFAULT_LONG_DOUBLE_128.
13323 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13325 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13326 (real-install-headers-tar, real-install-headers-cpio)
13327 (real-install-headers-cp): New targets.
13329 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13331 * tree.h (variable_section): Delete.
13332 * varasm.c (variable_section): Delete.
13334 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13336 * install.texi: Add notes on install.texi2html.
13337 (Building in parallel): Do not use footnotes.
13339 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13342 * doc/install.texi (Configuration): Document --disable-libgomp.
13344 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13346 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13348 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13350 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13351 (vec_extractv2df_0_sse): New.
13353 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13355 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13356 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13357 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13358 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13359 to the result of the expression.
13360 (def_cfa_1): Adjust.
13361 (frame_pointer_cfa_offset): Rename to...
13362 (frame_pointer_fb_offset): ... this. Adjust all uses.
13363 (convert_cfa_to_loc_list): Rename to...
13364 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13365 Pass it on to build_cfa_loc.
13366 (compute_frame_pointer_to_cfa_displacement): Rename to...
13367 (compute_frame_pointer_to_fb_displacement): ... this. New
13368 offset parameter. Use it in computation.
13369 (gen_subprogram_die): Compute cfa_fb_offset with the new
13370 macro, and use it to compute the fb loc list and the
13373 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13375 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13376 replaced with register_operand.
13377 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13378 non-DREG is expensive.
13379 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13380 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13383 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13385 * doc/install.texi2html: Use set -e.
13387 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13389 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13390 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13391 * doc/invoke.texi (-fshared-data): Delete.
13392 * common.opt (fshared-data): Delete.
13393 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13394 (assemble_static_space): Remove #if 0 code.
13395 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13396 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13397 * config/cris/cris.h: Remove FIXME.
13399 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13401 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13404 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13406 PR middle-end/26379
13407 * combine.c (simplify_shift_const_1): Disable nested shifts
13408 optimization for vector shifts.
13410 2006-02-20 Roger Sayle <roger@eyesopen.com>
13412 PR tree-optimization/26361
13413 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13414 of unsigned integer types.
13416 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13418 * tree-chrec.c (eq_evolutions_p): New.
13419 * tree-chrec.h (eq_evolutions_p): Declared.
13420 * tree-data-ref.c: Fix formatting.
13421 (datadep_stats, dependence_stats): New.
13423 (print_direction_vector): New.
13424 (dump_data_dependence_relation): Use print_direction_vector.
13425 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13426 (compute_subscript_distance): Static.
13427 (initialize_data_dependence_relation): Static. Get the number
13428 of loops surrounding the references from the callers, and initialize
13429 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13430 base_object_differ_p analyzers.
13431 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13432 compute_overlap_steps_for_affine_1_2,
13433 analyze_subscript_affine_affine): Count the classified dependences.
13434 Print a message when a test failed.
13435 (can_use_analyze_subscript_affine_affine): New.
13436 (analyze_siv_subscript): Compute the data dependences on symbolic
13437 scevs that verify can_use_analyze_subscript_affine_affine.
13438 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13439 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13440 Handle symbolic scevs.
13441 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13443 (subscript_dependence_tester): Moved...
13444 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13445 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13446 DDR_SIZE_VECT instead of getting it in parameter.
13447 (subscript_dependence_tester): ... here. Take as a parameter
13448 loop_nest_depth. Call build_classic_dist_vector and
13449 build_classic_dir_vector.
13450 (compute_affine_dependence): Update subscript_dependence_tester
13451 parameters. Update datadep_stats counters. Call
13452 compute_subscript_distance.
13453 (compute_self_dependence): Save the dist and dir vectors. Call
13454 compute_subscript_distance.
13455 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13456 (compute_all_dependences): Reorder parameters as they were before
13457 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13458 compute_subscript_distance. Update the use of
13459 compute_affine_dependence and initialize_data_dependence_relation.
13460 (find_data_references_in_loop): Handle COMPONENT_REF.
13461 (compute_data_dependences_for_loop): Initialize dependence_stats.
13462 Don't call build_classic_dist_vector and build_classic_dir_vector.
13463 Update the parameters of initialize_data_dependence_relation and
13464 compute_all_dependences. Print the statistics from datadep_stats.
13465 (analyze_all_data_dependences): Static. Not used until the pass for
13466 checking the data dependences is contributed.
13467 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13468 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13469 (initialize_data_dependence_relation, compute_affine_dependence,
13470 analyze_all_data_dependences, compute_subscript_distance): Removed.
13471 (print_direction_vector): New.
13472 * lambda.h (gcd): ... here.
13473 (lambda_vector_gcd): Moved here from gcd_vector.
13474 * lambda-code.c (gcd, gcd_vector): Removed.
13475 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13476 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13478 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13480 * ipa-type-escape.c: Tidy some comments and white space.
13481 * tree-ssa-operands.c: Likewise.
13483 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13486 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13487 (dump_decl_name): Do not walk the decl tree chains.
13488 * tree-pass.h (TDF_CHAIN): Remove.
13490 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13492 * Makefile.in (C): Remove
13494 (.PHONY): Remove C and PROTO
13496 2006-02-20 Roger Sayle <roger@eyesopen.com>
13498 PR middle-end/26236
13499 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13500 deprecated CHAR_TYPE tree code.
13502 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13504 * configure.ac (target_list): Add install-info, dvi, html.
13505 * configure: Regenerate.
13507 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13508 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13509 treelang/Make-lang.in: Do not use double-colon rules.
13511 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13513 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13514 (TMT_USED_ALONE): New macro.
13515 * tree-pass.h (PROP_tmt_usage): New property.
13516 (TODO_update_tmt_usage): New todo.
13517 * tree-ssa-alias.c (updating_used_alone): New variable.
13518 (recalculate_used_alone): New function.
13519 (compute_may_aliases): Set updating_used_alone, call
13520 recalculate_used_alone.
13521 * tree-sra.c (pass_sra): Note that this pass destroys
13522 PROP_tmt_usage, and add TODO_update_tmt_usage.
13523 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13524 * tree-flow.h (updating_used_alone): Prototype.
13525 (recalculate_used_alone): Ditto.
13526 * passes.c (execute_todo): Add code to set updating_used_alone,
13527 and call recalculate.
13528 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13529 for clobber if used alone, and add assert to verify used_alone
13532 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13534 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13535 for non tls symbols added.
13536 (legitimize_address): Do nothing for PLUS expressions if one of the
13537 addends is a tls symbol reference.
13539 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13543 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13545 * Makefile.in (BOOTSTRAPPING): New.
13546 (quickstrap): New definition if BOOTSTRAPPING=yes.
13548 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13549 * configure.ac: Substitute all_selected_languages with the languages
13550 that were configured. For all the other variables except
13551 lang_specs_files, include all the languages in the tree.
13552 * configure: Regenerate.
13554 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13555 if there is one. Run the commands to run fixincludes in the same
13558 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13559 * doc/install.texi: Document exact conventions for searching target tools.
13560 Document --with-build-time-tools. Document toplevel bootstrap. Document
13561 something more about building an Ada cross-compiler. Don't list GNU Make
13562 requirements which affect all platforms.
13564 2006-02-19 Roger Sayle <roger@eyesopen.com>
13566 PR middle-end/19543
13567 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13568 only equivalent if the have both the same mode and precision.
13570 2006-02-20 Ben Elliston <bje@au.ibm.com>
13572 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13574 2006-02-19 Roger Sayle <roger@eyesopen.com>
13575 Steven Bosscher <stevenb.gcc@gmail.com>
13577 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13578 constant pool references to identify stack mode constants.
13579 * rtlanal.c (constant_pool_constant_p): New predicate to check
13580 whether operand is a floating point constant in the pool.
13581 * rtl.h (constant_pool_constant_p): Prototype here.
13582 * loop.c (scan_loop): Avoid hoisting constants from the constant
13583 pool on STACK_REGS targets.
13584 (load_mems): Likewise.
13585 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13586 loads into x87 registers expensive in terms of register pressure.
13588 2006-02-19 Roger Sayle <roger@eyesopen.com>
13590 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13591 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13593 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13595 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13596 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13598 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13600 * doc/invoke.texi: Document -fipa-pta.
13601 * common.opt: Add ipa-pta option.
13602 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13603 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13604 (do_ds_constraint): Ditto.
13605 (get_constraint_for): Only add to referenced_vars if
13606 referenced_vars exists.
13607 (insert_into_field_list): Rewrite to do this unsorted.
13608 (insert_into_field_list_sorted): Rename old insert_into_field_list
13610 (create_function_info_for): Use insert_into_field_list_sorted.
13611 (create_variable_info_for): Rewrite so it uses unsorted version,
13612 since the field list is sorted.
13613 (intra_create_variable_infos): Only add to referenced_vars if
13614 referenced_vars exists.
13615 (ipa_pta_execute): Init heapvars, and delete when done.
13616 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13618 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13620 * doc/install.texi: Add missing `@samp'.
13622 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13624 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13627 2006-02-18 Mark Wielaard <mark@klomp.org>
13629 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13630 who added new 4.1 features, bug fixes and integration support.
13632 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13635 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13636 MEM for ABI_V4 pic.
13638 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13640 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13641 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13642 (copy_insn_1): Likewise. Don't copy each field individually.
13644 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13646 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13647 * rtl.c (rtx_size): Rename variable to...
13648 (rtx_code_size): ...this.
13649 (rtx_size): New function.
13650 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13651 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13653 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13654 * rtl.h (rtx_code_size): New variable.
13655 (rtx_size): Change from a variable to a function.
13656 (RTX_SIZE): Rename to...
13657 (RTX_CODE_SIZE): ...this.
13660 PR tree-optimization/17106
13661 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13662 (Anchored Addresses): New section.
13663 * doc/invoke.texi (-fsection-anchors): Document.
13664 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13665 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13666 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13667 * hooks.c (hook_bool_mode_rtx_false): New function.
13668 * hooks.h (hook_bool_mode_rtx_false): Declare.
13669 * gengtype.c (create_optional_field): New function.
13670 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13671 SYMBOL_REF_IN_BLOCK_P is true.
13672 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13673 (min_anchor_offset, max_anchor_offset): Likewise.
13674 (use_anchors_for_symbol_p): New hook.
13675 * toplev.c (compile_file): Call output_object_blocks.
13676 (target_supports_section_anchors_p): New function.
13677 (process_options): Check that -fsection-anchors is only used on
13678 targets that support it and when -funit-at-a-time is in effect.
13679 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13680 if the decl doesn't have one.
13681 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13682 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13683 of force_const_mem through use_anchored_address.
13684 (expand_expr_constant): New function.
13685 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13686 calling expand_expr for INDIRECT_REF.
13687 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13688 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13689 * expr.h (use_anchored_address): Declare.
13690 * loop-unroll.c: Don't declare rtx vectors here.
13691 * explow.c: Include output.h.
13692 (validize_mem): Call use_anchored_address.
13693 (use_anchored_address): New function.
13694 * common.opt (-fsection-anchors): New switch.
13695 * varasm.c (object_block_htab, anchor_labelno): New variables.
13696 (hash_section, object_block_entry_eq, object_block_entry_hash)
13697 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13698 (use_blocks_for_decl_p, change_symbol_section): New functions.
13699 (get_variable_section): New function, split out from assemble_variable.
13700 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13701 use_blocks_for_decl_p say so. Use change_symbol_section if the
13702 symbol has already been created.
13703 (assemble_variable_contents): New function, split out from...
13704 (assemble_variable): ...here. Don't output any code for
13705 block symbols; just pass them to place_block_symbol.
13706 Use get_variable_section and assemble_variable_contents.
13707 (get_constant_alignment, get_constant_section, get_constant_size): New
13708 functions, split from output_constant_def_contents.
13709 (build_constant_desc): Create a block symbol if use_object_blocks_p
13710 says so. Or into SYMBOL_REF_FLAGS.
13711 (assemble_constant_contents): New function, split from...
13712 (output_constant_def_contents): ...here. Don't output any code
13713 for block symbols; just pass them to place_section_symbol.
13714 Use get_constant_section and get_constant_alignment.
13715 (force_const_mem): Create a block symbol if use_object_blocks_p and
13716 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13717 (output_constant_pool_1): Add an explicit alignment argument.
13718 Don't switch sections here.
13719 (output_constant_pool): Adjust call to output_constant_pool_1.
13720 Switch sections here instead. Don't output anything for block symbols;
13721 just pass them to place_block_symbol.
13722 (init_varasm_once): Initialize object_block_htab.
13723 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13724 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13725 (place_block_symbol, get_section_anchor, output_object_block)
13726 (output_object_block_htab, output_object_blocks): New functions.
13727 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13728 (TARGET_ASM_OUT): Include it.
13729 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13730 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13731 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13732 (TARGET_INITIALIZER): Include them.
13733 * rtl.c (rtl_check_failed_block_symbol): New function.
13734 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13735 (block_symbol, object_block): New structures.
13736 (rtx_def): Add a block_symbol field to the union.
13737 (BLOCK_SYMBOL_CHECK): New macro.
13738 (rtl_check_failed_block_symbol): Declare.
13739 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13740 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13741 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13742 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13743 * output.h (output_section_symbols): Declare.
13744 (object_block): Name structure.
13745 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13746 (default_use_anchors_for_symbol_p): Declare.
13747 * Makefile.in (RTL_BASE_H): Add vec.h.
13748 (explow.o): Depend on output.h.
13749 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13750 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13751 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13752 (rs6000_use_blocks_for_constant_p): New function.
13754 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13756 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13758 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13761 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13764 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13766 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13770 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13772 PR middle-end/26334
13773 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13774 instead of DECL_REGISTER.
13776 2006-02-18 Olivier Hainque <hainque@adacore.com>
13779 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13781 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13784 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13785 * opth-gen.awk: Handle Var and InverseMask together.
13786 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13787 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13788 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13789 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13791 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13792 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13793 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13794 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13795 LINUX_DYNAMIC_LINKER): Define.
13796 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13797 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13799 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13800 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13801 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13802 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13803 (TARGET_C99_FUNCTIONS): Don't define.
13804 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13805 GLIBC_DYNAMIC_LINKER.
13806 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13807 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13808 GLIBC_DYNAMIC_LINKER64): Define.
13809 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13810 LINUX_DYNAMIC_LINKER64.
13811 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13812 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13813 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13814 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13815 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13816 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13817 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13818 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13819 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13820 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13821 and LINUX_DYNAMIC_LINKER32.
13822 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13823 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13824 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13825 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13826 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13828 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13829 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13830 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13831 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13832 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13833 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13834 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13835 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13836 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13837 LINUX_DYNAMIC_LINKER): Define.
13838 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13839 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13840 GLIBC_DYNAMIC_LINKER64): Define.
13841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13842 LINUX_DYNAMIC_LINKER64.
13843 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13844 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13845 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13846 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13847 LINUX_DYNAMIC_LINKER): Define.
13848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13849 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13850 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13851 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13852 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13853 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13854 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13855 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13856 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13857 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13858 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13859 * doc/invoke.texi (-muclibc): Remove caveat about supported
13862 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13864 * doc/cpp.texi (__TIMESTAMP__): Document.
13866 2006-02-17 Roger Sayle <roger@eyesopen.com>
13868 PR middle-end/25600
13869 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13870 C is one less than the width of X (and related transformations).
13871 * simplify-rtx.c (simplify_unary_operation_1): Transform
13872 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13873 depending on STORE_FLAG_VALUE, were C is one less then the
13876 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13878 Fix PR tree-optimization/26341
13879 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13880 about NAME_MEMORY_TAG's.
13882 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13885 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13886 with hardware float support, and software float support. Add fcpy
13887 alternative to hardware patterns. Add alternatives to copy between
13888 general and floating-point registers to the 32-bit pattern.
13889 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13890 secondary reload to load a QI or HI mode constant into a floating
13892 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13893 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13895 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13898 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13900 (load_macho_picbase_di): Likewise.
13902 2006-02-16 Jeff Law <law@redhat.com>
13904 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13905 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13906 (ssa_name_nonzero_p): Likewise.
13907 (get_value_range): Return NULL if VRP is not running.
13908 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13909 VRP routines do not discover a range.
13910 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13911 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13912 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13913 (tree_expr_nonnegative_p): Similarly.
13914 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13915 (restore_nonzero_vars_to_original_value): Remove.
13916 (unsafe_associative_fp_binop): Remove.
13917 (tree_ssa_dominator_optimize): Remove initialization and
13918 finalization of nonzero_vars and nonzero_vars_stack.
13919 (dom_opt_initialize_block): No longer push marker on
13920 nonzero_vars_stack.
13921 (dom_opt_finalize_block): No longer call
13922 restore_nonzero_vars_to_original_value.
13923 (record_equivalences_from_phis): No longer look for
13924 nonzero PHI arguments.
13925 (cprop_into_successor_phis): No longer propagate nonzero
13926 property into PHI arguments. Lose unused argument. Caller
13928 (record_equivalences_from_stmt): No longer record nonzero
13929 values for SSA_NAMEs.
13930 (lookup_avail_expr): No longer use nonzero_vars.
13932 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13933 for sizetype when sizetype is unsigned.
13935 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13937 PR rtl-optimization/25603
13938 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13939 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13940 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13941 with new meaning of SETS.
13943 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13948 * config/linux.opt: New file.
13949 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13950 LINUX_DYNAMIC_LINKER): Define.
13951 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13952 * config.gcc (*-*-linux*): Define extra_options.
13953 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13954 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13955 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13956 GLIBC_DYNAMIC_LINKER.
13957 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13958 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13959 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13960 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13961 * doc/invoke.texi (GNU/Linux Options): New section.
13963 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13965 * config/sparc/sparc.md (setjmp): Rewrite.
13966 (setjmp_32): Delete.
13967 (setjmp_64): Likewise.
13969 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13971 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13974 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13976 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13979 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13981 PR rtl-optimization/26296
13982 * Makefile.in (loop-invariant.c): Add except.h dependency.
13983 * loop-invariant.c: Include except.h.
13984 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13986 2005-02-16 Paul Brook <paul@codesourcery.com>
13988 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13991 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13993 PR rtl-optimization/25636
13994 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13995 when deciding whether an insn is an initializing insn.
13997 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13999 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14000 (tree_code_size): Ditto.
14001 * tree.h (struct tree_memory_tag): Remove parent_var.
14002 (struct tree_struct_field_tag): New.
14005 (union tree_node): Add sft member.
14006 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14008 (create_sft): Add size and offset argument, set SFT_OFFSET and
14010 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14011 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14012 * tree-flow-inline.h (get_subvar_at): Update for
14013 SFT_OFFSET/SFT_SIZE.
14014 (var_can_have_subvars): Ditto.
14015 (overlap_subvar): Ditto.
14016 * print-tree.c (print_node): Print out interesting things for
14018 * tree-flow.h (struct subvar): Remove offset and size members.
14019 * tree-ssa-operands.c (get_expr_operands): Update for
14020 get_indirect_ref_operands changes.
14021 (get_indirect_ref_operands): Call add_virtual_operand instead of
14022 add_stmt_operand. Only recurse on base var if requested.
14023 (access_can_touch_variable): New function.
14024 (add_stmt_operand): Split virtual operand handling into ...
14025 (add_virtual_operand): Here. Add offset, size, and for_clobber
14026 arguments. Prune alias sets.
14027 (add_call_clobber_ops): Call add_virtual_operand.
14029 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14031 PR middle-end/26300
14032 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14034 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14035 than TREE_CODE as index into omp_clause_num_ops array.
14037 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14039 PR rtl-optimization/26184
14040 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14042 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14043 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14044 must_precede, must_follow and tobe_scheduled.
14047 * opts.c (common_handle_option): Free new_option pointer.
14048 * df-core.c (df_analyze): Free postorder pointer.
14050 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14052 * Makefile.in: Fix the examples about the use of stamps
14054 2006-02-15 Michael Matz <matz@suse.de>
14056 PR middle-end/22275
14058 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14059 influenced by maximum_field_alignment or DECL_PACKED.
14060 (update_alignment_for_field): Ditto.
14061 (place_field): Ditto.
14062 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14065 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14067 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14068 (debug_flow_info): Pass it.
14069 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14070 * bb-reorder.c (reorder_basic_blocks): Likewise.
14071 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14072 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14073 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14074 * gcse.c (gcse_main, bypass_jumps): Likewise.
14075 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14076 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14077 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14078 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14079 * rtl.h (dump_flow_info): Adjust prototype.
14080 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14081 * var-tracking.c (variable_tracking_main): Likewise.
14082 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14083 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14086 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14088 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14091 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14093 PR tree-optimization/26209
14094 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14095 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14097 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14099 2006-02-14 Roger Sayle <roger@eyesopen.com>
14101 PR middle-end/23670
14102 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14103 (X,Y) and the corresponding symmetry related transformations.
14104 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14105 (X,Y) and its symmetry related transformations.
14107 2006-02-14 Roger Sayle <roger@eyesopen.com>
14109 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14112 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14114 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14116 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14119 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14120 support COMDAT group.
14121 * configure: Regenerate.
14123 2006-02-14 Roger Sayle <roger@eyesopen.com>
14125 PR middle-end/26279
14126 PR middle-end/26280
14127 PR middle-end/26283
14128 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14130 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14132 Fix PR tree-optimization/26260
14134 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14136 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14137 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14138 * tree-ssa-structalias.c (create_variable_info_for): Use
14139 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14141 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14143 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14145 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14146 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14147 of the ending condition.
14148 * tree-ssa-loop-manip.c: Include params.h.
14149 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14150 tree_unroll_loop): New functions.
14151 * tree-pass.h (pass_loop_prefetch): Declare.
14152 * loop.c (rest_of_handle_loop_optimize): Test for
14153 -fprefetch-loop-arrays-rtl.
14154 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14155 * timevar.def (TV_TREE_PREFETCH): New timevar.
14156 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14157 pass_loop_prefetch): New.
14158 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14159 (cleanup_tree_cfg_loop): Call scev_reset.
14160 * common.opt (fprefetch-loop-arrays-rtl): Add.
14161 * tree-ssa-loop-prefetch.c: New file.
14162 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14163 (new_temp_expr_table): Initialize expr_vars.
14164 (free_temp_expr_table): Cleanup expr_vars.
14165 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14166 expressions from being merged into one.
14167 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14168 (struct tree_niter_desc): Add control, bound and cmp fields.
14169 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14171 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14172 (tree-cfgcleanup.o): Add SCEV_H dependency.
14173 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14174 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14176 2006-02-14 Richard Guenther <rguenther@suse.de>
14178 PR tree-optimization/26258
14179 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14180 in PHI argument processing.
14182 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14184 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14185 new expression in the requested machine mode.
14187 2006-02-13 Roger Sayle <roger@eyesopen.com>
14189 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14190 directly, instead let do_compare_rtx_and_jump handle this for us.
14191 * expr.c (expand_expr_real_1): Likewise.
14192 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14193 before do_jump_by_parts_greater.
14194 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14195 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14197 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14199 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14201 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14203 PR rtl-optimization/26235
14204 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14205 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14208 2006-02-13 Jeff Law <law@redhat.com>
14210 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14213 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14215 PR middle-end/26092
14216 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14217 twice if decl is a builtin. When trying again, call get_callee_fndecl
14218 first to verify it is still a builtin.
14220 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14222 * dwarf2out.c (base_type_die): Don't add AT_name here.
14223 (subrange_type_die): Don't add AT_name here.
14224 (modified_type_die): Rearrange code flow. Do add AT_name here.
14226 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14228 PR rtl-optimization/26247
14229 PR rtl-optimization/26248
14230 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14232 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14234 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14235 * config/fixtfdi.c: Likewise.
14236 * config/fixunstfdi.c: Likewise.
14237 * config/floatditf.c: Likewise.
14239 2006-02-13 Roger Sayle <roger@eyesopen.com>
14241 PR middle-end/24427
14242 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14243 into (X,C2) if C1 is a subset of the bits of C2. Transform
14244 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14246 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14248 2006-02-13 Josh Conner <jconner@apple.com>
14251 * varasm.c (function_section): Check for section name before
14252 calling select_section on targets that define
14253 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14254 unlikely_text_section instead of hot_function_section if
14255 first_function_block_is_cold.
14257 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14259 PR middle-end/25335
14260 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14262 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14264 PR rtl-optimization/26222
14265 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14266 after tree->rtl expansion.
14267 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14268 before passing it to emit_move_insn.
14270 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14272 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14274 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14275 Clarify documentation.
14276 * c-common.h (warn_write_strings): Remove.
14277 * c-common.c (warn_write_strings): Likewise.
14278 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14281 2006-02-12 Roger Sayle <roger@eyesopen.com>
14283 PR middle-end/25724
14284 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14285 (do_jump_parts_zero_rtx): New function renamed from
14286 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14287 (do_jump_parts_equality_rtx): New function split out from
14288 do_jump_parts_equality. Old implementation renamed as above.
14289 Call do_jump_parts_zero_rtx if either operand is zero.
14290 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14291 do all of the heavy lifting.
14292 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14293 calling either do_jump_by_parts_greater_rtx or
14294 do_jump_by_parts_equality_rtx.
14295 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14296 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14297 moved to do_compare_rtx_and_jump, call it directly.
14298 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14299 mode argument. Call do_compare_rtx_and_jump.
14300 (emit_case_nodes): Update calls to do_jump_if_equal.
14302 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14304 PR rtl-optimization/26225
14305 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14307 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14309 PR rtl-optimization/26232
14310 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14312 2006-02-11 Jason Merrill <jason@redhat.com>
14315 * tree-inline.c (declare_return_variable): Just don't use the
14316 modify target if it's a gimple complex reg and the return slot
14319 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14321 * doc/contrib.texi: Update my entry.
14323 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14325 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14327 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14329 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14332 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14334 * doc/invoke.texi (-floop-optimize2): Removed.
14335 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14336 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14337 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14338 * common.opt (floop-optimize2): Removed.
14339 (fmove-loop-invariants): Enabled by default.
14341 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14343 * tree-if-conv.c (combine_blocks): Free the result of
14344 get_loop_exit_edges.
14346 2006-02-10 Jeff Law <law@redhat.com>
14348 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14350 PR tree-optimization/26213
14351 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14352 loop trying to follow SSA_NAME_VALUE chains.
14354 2006-02-10 Richard Guenther <rguenther@suse.de>
14356 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14357 deal with structures that end in implicitly variable sized arrays.
14359 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14361 PR rtl-optimization/24762
14362 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14365 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14367 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14368 (struct ivopts_data): Add regs_used field.
14369 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14370 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14371 instead of loop_data->regs_used;
14372 (free_loop_data): Do not free aux fields for loops.
14373 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14374 and tree_ssa_iv_optimize_finalize.
14376 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14378 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14380 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14383 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14384 computing the effective result type.
14386 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14388 PR inline-asm/16194
14389 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14390 (tree_overlaps_hard_reg_set): Declare.
14391 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14392 type and signature to match function type expected by walk_tree.
14393 (tree_overlaps_hard_reg_set): New function.
14394 (decl_conflicts_with_clobbers_p): Rename to:
14395 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14396 Use tree_overlaps_hard_reg_set. Changed caller.
14397 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14398 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14399 * cris.c (cris_md_asm_clobbers): Likewise.
14401 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14403 * reload1.c (emit_input_reload_insns): Delete code that tries to
14404 inherit using find_equiv_reg.
14406 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14408 * c-common.h (flag_const_strings): Don't declare.
14409 * c-common.c (flag_const_strings): Remove.
14410 * c.opt (fconst_strings): Remove.
14411 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14412 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14413 (c_common_init_options): Don't set flag_const_strings.
14414 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14416 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14418 * arm.md (tlobits_cbranch): New pattern.
14419 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14420 testing a single bit.
14422 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14425 * tree-ssa-pre.c (create_component_ref_by_pieces):
14426 Handle RETURN_DECL like VAR_DECL.
14428 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14430 PR middle-end/26134
14431 * fold-const.c (fold_indirect_ref_1): Fold
14432 "*(foo *)&complexfoo" to "__real__ complexfoo"
14433 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14435 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14437 * tree-flow-inline.h (var_can_have_subvars):
14438 Volatile variables should not have subvariables.
14440 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14443 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14444 multiplying unsigned values.
14447 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14449 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14451 2006-02-08 Jason Merrill <jason@redhat.com>
14454 * tree.def: Elaborate on difference from MODIFY_EXPR.
14455 * doc/c-tree.texi (INIT_EXPR): Likewise.
14456 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14457 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14458 (gimplify_target_expr): Likewise.
14459 (gimplify_cond_expr): Remove target handling.
14460 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14461 (gimplify_expr): Clobber it here.
14462 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14463 Do return slot optimization if we have an INIT_EXPR.
14466 * tree-inline.c (declare_return_variable): Also clear
14467 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14470 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14472 PR middle-end/22439
14473 * gimplify.c (gimplify_one_sizepos): Fix typo.
14475 2006-02-08 Jeff Law <law@redhat.com>
14477 PR tree-optimization/21417
14478 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14479 across a backedge if the control statement at the end of the
14480 block is data dependent on other statements in the same block.
14481 (record_temporary_equivalences_from_stmts): Remove over-conservative
14482 test for threading across backedges.
14484 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14485 control statement, handle all three special cases in the same
14486 manner as they all have the same desired solution. No longer
14487 special case edge flag updating when the post dominator is
14490 2006-02-08 Roger Sayle <roger@eyesopen.com>
14492 * tree.def (CHAR_TYPE): Remove.
14493 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14494 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14495 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14496 (gen_string_type_die): Delete unreachable function.
14498 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14499 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14500 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14501 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14502 * builtins.c (type_to_class): Likewise.
14503 * fold-const.c (fold_convert, build_range_check,
14504 merge_ranges): Likewise.
14505 * expr.c (count_type_elements): Likewise.
14506 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14507 * stor-layout.c (layout_type): Likewise.
14508 * ipa-type-escape.c (type_to_consider): Likewise.
14509 * gimplify.c (omp_firstprivatize_type_sizes,
14510 gimplify_type_sizes): Likewise.
14511 * explow.c (promote_mode): Likewise.
14512 * tree-sra.c (is_sra_scalar_type): Likewise.
14513 * varasm.c (output_constant): Likewise.
14514 * tree-inline.c (remap_type_1): Likewise.
14515 * convert.c (convert_to_pointer, convert_to_real,
14516 convert_to_integer, convert_to_complex): Likewise.
14518 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14520 * df-scan.c (df_def_record_1): A set destination may
14521 be a parallel regardless of mode.
14523 2006-02-08 Roger Sayle <roger@eyesopen.com>
14526 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14527 * config/mips/_tilib.c: Remove.
14528 * config/fixtfdi.c: New libgcc source file.
14529 * config/fixunstfdi.c: New source file.
14530 * config/floatditf.c: New source file.
14531 * config/floatunditf.c: New souce file.
14532 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14533 files above instead of config/mips/_tilib.c.
14534 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14536 2006-02-08 Jeff Law <law@redhat.com>
14538 PR tree-optimization/26169
14539 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14542 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14544 * df.h (DF_REG_SIZE): Return the length of the initialized
14547 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14549 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14550 __muldf3): Return a correctly signed zero.
14552 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14554 * passes.c (register_one_dump_file): Accept the current properties
14555 instead of pass number. Adjust call to dump_register. Remove
14557 (register_dump_files): Now a wrapper around...
14558 (register_dump_files_1): ... this one. Do not modify the pass
14560 (next_pass_1): Cosmetic fix.
14561 (execute_todo): Keep second parameter only. Use curr_properties
14562 instead of fetching it from the pass structure. Check and set
14564 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14565 instead of fetching it from the pass structure. Fix calls to
14566 execute_todo. Update curr_properties and initialize .vcg RTL dump
14567 after running the pass. Reset last_verified.
14568 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14570 (FIRST_AUTO_NUMBERED_DUMP): New.
14571 (dump_register): Remove "num" parameter, assign it within the
14573 (get_dump_file_name): Modify template for dumps.
14574 * tree-dump.h (dump_register): Adjust prototype.
14575 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14576 (PROP_trees): Add PROP_gimple_lomp.
14577 (TODO_set_props): New.
14578 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14579 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14580 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14582 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14584 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14585 (sparc64-*-linux*): Likewise.
14586 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14587 * config/sparc/t-linux: New file.
14588 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14589 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14590 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14591 -m32 -mlong-double-128.
14593 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14594 * config/alpha/t-linux: New file.
14595 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14597 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14598 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14599 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14600 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14601 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14602 (CPP_ARCH32_SPEC): Remove.
14604 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14606 PR tree-optimization/26145
14607 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14610 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14613 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14614 >= 240000 when generating code for SOM runtime.
14615 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14616 to $$dyncall when generating code for SOM runtime..
14618 2006-02-07 Dirk Mueller <dmueller@suse.com>
14621 * doc/invoke.texi (-Wsequence-point): Update documentation
14622 that -Wsequence-point is implemented for C++ as well.
14624 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14626 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14627 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14628 (LIB_SPEC): Likewise.
14629 * doc/invoke.texi (SPARC options): Document -pthread.
14631 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14633 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14636 2006-02-07 Roger Sayle <roger@eyesopen.com>
14638 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14639 Correct comment describing BOOLEAN_TYPE.
14641 2006-02-07 Dirk Mueller <dmueller@suse.com>
14643 * c.opt: C++ frontend supports -Wdiv-by-zero.
14644 * c-opts.c (c_common_handle_option): Remove dead case.
14646 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14648 * configure.ac (TLS assembler check): Do not enable TLS by
14649 default on SPARC/Solaris before version 10.
14650 * configure: Regenerate.
14652 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14654 * doc/invoke.texi (xl-compat): Document conversion and support
14657 2006-02-07 Jeff Law <law@redhat.com>
14659 * tree-vrp.c (find_conditional_asserts): Update comments.
14660 (simplify_stmt_for_jump_threading): New.
14661 (identify_jump_threads, finalize_jump_threads): New.
14662 (vrp_finalize): Call identify_jump_threads.
14663 (execute_vrp): Call finalize_jump_threads.
14664 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14665 (vrp_element, vrp_data, vrp_element_p): Remove.
14666 (vrp_hash_elt, vrp_variables_stack): Remove.
14667 (vrp_hash, vrp_eq, record_range): Remove.
14668 (simplify_cond_and_lookup_avail_expr): Remove.
14669 (extract_range_from_cond): Remove.
14670 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14671 (simplify_stmt_for_jump_threading): New.
14672 (dom_thread_across_edge): New wrapper.
14673 (tree_ssa_dominator_optimize): No longer initialize or
14674 finalize any of the VRP datastructures. Remove iteration
14675 step and simplify as a result of removal of iteration step.
14676 (pass_dominator): Perform a cfg cleanup after DOM.
14677 (dom_opt_finalize_block): Use the new common routines
14678 for threading jumps. Simplify stack management slightly.
14679 No longer need to unwind VRP state.
14680 (record_equivalences_from_incoming_edge): No longer record
14682 (eliminate_redundant_computations): No longer call
14683 simplify_cond_and_lookup_avail_expr.
14684 * tree-flow.h (potentially_threadable_block): Prototype.
14685 (thread_across_edge): Likewise.
14686 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14687 (tree-ssa-threadedge.o): Add dependencies.
14688 * tree-ssa-threadedge.c: New file.
14689 * passes.c (init_optimization_passes): Merge PHIs before
14690 calling VRP. Run VRP again late in the SSA optimization pipeline.
14692 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14694 * df-core.c (df_set_blocks): Do not dereference function pointers.
14695 (df_finish1): Likewise.
14696 (df_hybrid_search_forward): Likewise.
14697 (df_hybrid_search_backward): Likewise.
14698 (df_iterative_dataflow): Likewise.
14699 (df_analyze_problem): Likewise.
14700 (df_compact_blocks): Likewise.
14701 (df_dump): Likewise.
14702 * df-scan.c (df_rescan_blocks): Likewise.
14703 (df_record_entry_block_defs): Likewise.
14705 * genconditions.c (write_conditions): Guard the definition of
14706 'insn_conditions' with the check on GCC version.
14707 (write_writer): Guard the traversal 'insn_conditions' with
14708 the check on GCC version.
14710 2006-02-07 Richard Guenther <rguenther@suse.de>
14714 2006-01-30 Richard Guenther <rguenther@suse.de>
14716 * gimplify.c (gimplify_target_expr): Handle easy cases
14717 without creating a temporary.
14719 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14721 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14722 use of float in probability computations. Use edge probabilities
14723 in place of statically computed probabilities.
14724 (min_spec_prob): New static variable.
14725 (schedule_insns): Initialize it.
14726 (GET_SRC_PROB): Removed.
14727 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14729 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14732 * config/ia64/unwind-ia64.c: Revert last change.
14733 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14734 (INCOMING_FRAME_SP_OFFSET): Define.
14736 2006-02-06 Roger Sayle <roger@eyesopen.com>
14738 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14740 2006-02-07 Ben Elliston <bje@au.ibm.com>
14742 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14743 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14744 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14745 (ix86_return_in_memory): Handle TDmode.
14746 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14747 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14749 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14751 * reorg.c (dbr_schedule): Use dump_file instead of file.
14753 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14756 * config/ia64/predicates.md (extr_len_operand): New predicate.
14757 * config/ia64/ia64.md (extv): Tighten constraints.
14759 (*tbit_and_2): Ditto.
14760 (*tbit_and_3): Ditto.
14761 (*tbit_or_2): Ditto.
14762 (*tbit_or_3): Ditto.
14763 (*bit_zero): Ditto.
14766 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14769 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14771 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14773 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14774 loop_optimizer_init and loop_optimizer_finalize
14775 * tree-ssa-sink.c (execute_sink_code): Ditto.
14776 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14777 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14778 tree_ssa_loop_done): Ditto.
14779 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14780 * sched-ebb.c: Include output.h.
14781 (schedule_ebbs): Do not use dump argument.
14782 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14783 * loop.c (loop_dump_stream): Removed.
14784 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14786 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14787 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14788 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14789 loop_iterations, strength_reduce, record_biv, record_giv,
14790 final_giv_value, check_final_value, check_ext_dependent_givs,
14791 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14792 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14793 dump_file instead of loop_dump_stream.
14794 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14795 argument dump_file.
14796 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14798 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14799 * haifa-sched.c: Include output.h
14800 (schedule_insns, sched_init): Do not use dump argument.
14801 * mode-switching.c (optimize_mode_switching): Ditto.
14802 * modulo-sched.c (stats_file): Removed.
14803 (print_node_sched_params): Do not call argument dump_file.
14804 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14805 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14807 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14809 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14810 rtl_loop_init, rtl_loop_done): Ditto.
14811 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14812 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14814 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14815 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14816 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14817 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14818 * emit-rtl.c (renumber_insns): Ditto.
14819 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14820 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14821 * regclass.c (regclass): Ditto.
14822 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14823 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14824 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14825 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14827 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14828 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14830 * gcse.c (gcse_file, debug_stderr): Removed.
14831 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14832 rest_of_handle_gcse): Do not use dump argument.
14833 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14834 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14835 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14836 compute_code_hoist_vbeinout, compute_code_hoist_data,
14837 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14838 compute_store_table, build_store_vectors, insert_insn_start_bb,
14839 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14840 store_motion): Use dump_file instead of gcse_file.
14841 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14842 * profile.c (profile_dump_file): Removed.
14843 (branch_prob): Use dump_file instead of profile_dump_file.
14844 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14846 * tree-ssa-copy.c (dump_copy_of): Ditto.
14847 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14848 dump file to life_analysis.
14849 * bt-load.c (branch_target_load_optimize): Ditto.
14850 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14852 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14853 regclass, dbr_schedule): Declaration changed.
14854 * sched-int.h (sched_init): Declaration changed.
14855 * tree-profile.c (tree_profile_dump_file): Removed.
14856 (tree_profile_hooks): Removed profile_dump_file hook.
14857 * rtl-profile (rtl_profile_dump_file): Removed.
14858 (rtl_profile_hooks): emoved profile_dump_file hook.
14859 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14861 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14862 * tree-cfg.c (build_tree_cfg): Ditto.
14863 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14864 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14865 Declaration changed.
14866 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14867 life_analysis and schedule_insns.
14868 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14870 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14872 * config/mips/mips.c (mips_reorg): Ditto.
14873 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14876 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14878 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14879 (s390_mangle_fundamental_type): New.
14880 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14883 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14884 (alpha_mangle_fundamental_type): New.
14885 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14888 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14890 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14892 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14893 (sparc_mangle_fundamental_type): New.
14895 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14897 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14898 (s390x-*-linux*): Likewise.
14899 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14900 * config/s390/t-linux: New file.
14902 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14904 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14905 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14907 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14909 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14910 (ANTIC_SAFE_LOADS): New macro.
14911 (find_or_generate_expression): Add prototype.
14912 (set_contains_value): Allow null set for sake of not always having
14913 to allocate ANTIC_SAFE_LOADS.
14914 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14915 Allow COMPONENT_REF too.
14916 (valid_in_set): Allow COMPONENT_REF.
14917 Check ANTIC_SAFE_LOADS too.
14918 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14919 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14921 (can_PRE_operation): Add COMPONENT_REF.
14922 (create_component_ref_by_pieces): New function.
14923 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14924 (insert_aux): Move AGGREGATE_TYPE_P check here.
14925 (compute_avail): Set bb local stmt uids.
14926 (pass_pre): Use TODO_update_ssa_only_virtuals.
14928 2006-02-06 Ben Elliston <bje@au.ibm.com>
14930 * configure.ac: Unconditionally disable decimal float by default.
14931 * configure: Regenerate.
14933 2006-02-06 Ben Elliston <bje@au.ibm.com>
14935 * read-rtl.c (read_name): Terminate reading on EOF.
14937 2006-02-06 Ben Elliston <bje@au.ibm.com>
14939 * dfp.c (decimal_real_arithmetic): Change second argument type
14940 from int to enum tree_code. Do not always return true, but now
14941 return result of any call to decimal_do helper functions.
14942 * dfp.h (decimal_real_arithmetic): Update prototype.
14944 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14946 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14948 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14951 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14954 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14956 * tree-vrp.c (cfg_loops): Removed.
14957 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14958 Use current_loops instead of cfg_loops. Pass flags to
14959 loop_optimizer_init.
14960 * cfgloopmanip.c (fix_loop_structure): Update only available
14962 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14963 loop_optimizer_init.
14964 * modulo-sched.c (build_loops_structure): Removed.
14965 (sms_schedule): Use loop_optimizer_init.
14966 * loop-init.c (loop_optimizer_init): Use flags to determine
14967 which properties of loops to prepare.
14968 (rtl_loop_init): Pass flags to loop_optimizer_init.
14969 * tree-ssa-sink.c (execute_sink_code): Ditto.
14970 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14971 * tree-ssa-pre.c (init_pre): Ditto.
14972 * cfgloop.h (LOOPS_NORMAL): New.
14973 (loop_optimizer_init): Declaration changed.
14975 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14977 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14978 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14980 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14982 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14984 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14985 * pa/t-pa64: Delete quadlib.c rule.
14986 * pa/x-ada: Revert last change.
14987 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14989 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14991 PR rtl-optimization/26087
14992 * rtlanal.c (canonicalize_condition): Do not cross basic block
14995 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14998 * config/ia64/ia64.c: Include debug.h.
14999 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15000 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15001 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15002 (process_epilogue, process_set, process_for_unwind_directive):
15003 Output unwind info only if requested. Add CFA info if requested.
15004 Add new arguments as needed. Adjust callers.
15005 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15007 (DWARF2_FRAME_INFO): Define to zero.
15008 * config/ia64/unwind-ia64.c: Remove code that compensated for
15009 the CFA offset error fixed above.
15010 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15011 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15012 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15013 -funwind-tables and -fexceptions to enable frame info.
15014 (dwarf2out_frame_init): Define initial CFA even if
15015 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15016 DWARF2_UNWIND_INFO is nonzero, not just defined.
15017 (dwarf2out_frame_finish): Output non-EH call frame info only
15018 if DWARF2_FRAME_INFO is nonzero.
15019 (convert_cfa_to_loc_list,
15020 compute_frame_pointer_to_cfa_displacement): Define even if
15021 unwind info is not supported.
15022 (gen_subprogram_die): Use the above unconditionally. Remove
15023 legacy alternate code.
15024 * toplev.c (compile_file): Compile in call to
15025 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15026 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15028 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15029 Jakub Jelinek <jakub@redhat.com>
15031 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15032 IBM extended float format long double as "g" on powerpc*-linux.
15034 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15037 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15038 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15040 2006-02-03 Jason Merrill <jason@redhat.com>
15043 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15045 PR middle-end/25977
15046 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15047 on the return slot if it's an NRV.
15049 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15051 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15052 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15053 rewrite_use): Do not handle USE_OUTER.
15054 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15055 add_iv_outer_candidates, may_replace_final_value,
15056 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15057 (find_interesting_uses_op): Functionality of
15058 find_interesting_uses_outer_or_nonlin moved here.
15059 (find_interesting_uses_outside): Use find_interesting_uses_op.
15061 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15064 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15066 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15067 Ulrich Weigand <uweigand@de.ibm.com>
15070 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15071 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15072 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15073 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15075 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15076 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15077 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15078 Define secondary reloads for TFmode moves.
15079 (constant_modes): Add TFmode.
15080 (NR_C_MODES): Set to 8.
15081 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15083 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15084 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15085 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15086 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15087 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15088 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15089 (FPR mode macro): Add TFmode.
15090 (DSF mode macro): New.
15091 (<de>, <dee> mode attributes): Removed.
15092 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15093 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15094 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15095 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15096 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15097 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15098 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15099 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15100 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15101 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15102 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15103 "*negabs<mode>2", "sqrt<mode>2"):
15104 Changed <de> to <xde>. R constraint replaced by <Rf>.
15105 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15107 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15108 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15109 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15111 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15112 "extenddftf2", "extendsftf2"): New expanders.
15113 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15114 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15115 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15116 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15118 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15119 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15120 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15121 __floatditf): Add a GCC_4.1.0 symbol version tag.
15122 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15125 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15128 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15129 Use targetm.binds_local_p instead of TREE_PUBLIC.
15131 2006-02-02 Roger Sayle <roger@eyesopen.com>
15133 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15134 on INTEGER_TYPEs to indicate that it denotes a character type.
15135 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15136 signed_char_type_node, unsigned_char_type_node and char_type_node.
15137 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15138 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15139 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15141 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15142 Daniel Berlin <dberlin@dberlin.org>
15144 * tree-tailcall.c (arg_needs_copy_p): New function.
15145 (eliminate_tail_call): Use arg_needs_copy_p.
15146 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15147 (add_virtual_phis): New function.
15149 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15151 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15152 #ignore instead of #scratch for %g7 .register directive.
15154 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15156 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15159 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15161 * flow.c (calculate_global_regs_live): Assert that there aren't any
15164 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15166 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15167 what its name says.
15168 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15169 bsi_after_labels iterator.
15170 * tree-if-conv.c (find_phi_replacement_condition,
15171 replace_phi_with_cond_modify_expr): Likewise.
15172 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15173 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15175 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15177 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15179 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15182 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15183 array after growing it.
15185 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15187 PR middle-end/24901
15188 * fold-const.c (fold_checksum_tree): Change type of buf.
15190 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15192 * reload.c (push_secondary_reload): Initialize t_icode.
15194 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15196 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15197 -msoft-float -mlong-double-128 only issue a warning, but don't
15198 swich to DFmode long double.
15200 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15202 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15203 has a constant equivalent, iterate over equivalents for arg0,
15204 calling simplify_relational_operation and if there's a result
15205 cheaper than X, apply fold_rtx and return the result.
15207 2006-02-01 Jan Hubicka <jh@suse.cz>
15209 * opts.c (no_unit_at_a_time_default): New global variable.
15210 (decode_options): Use it.
15211 * opts.h (no_unit_at_a_time_default): Declare.
15213 2006-02-01 Paul Brook <paul@codesourcery.com>
15215 * function.c (assign_parm_setup_reg): Use function argument promotion
15217 * expr.c (expand_expr_real_1): Use function argument promotion rules
15220 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15222 * gcc.c (process_command): Change j to 'unsigned int'.
15224 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15226 PR middle-end/26001
15227 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15228 Use the corrected index for the character
15229 out of the string constant.
15231 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15233 * mode-switching.c (optimize_mode_switching): Fix size
15234 allocated for bb_info[n_entities].
15236 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15238 * gcc.c (main): Correct type that is allocated for
15239 explicit_link_files.
15241 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15243 * config/s390/s390.c (init_alignment_context): Set
15244 ALIAS_SET_MEMORY_BARRIER on the MEM.
15245 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15247 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15249 PR middle-end/25933
15250 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15252 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15255 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15257 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15258 * regrename.c: Ditto.
15259 * tree-ssa-loop-im.c: Ditto.
15260 * tree-dump.c: Ditto.
15261 * tree-complex.c: Ditto.
15262 * genrecog.c: Ditto.
15263 * tree-ssa-threadupdate.c: Ditto.
15265 * java/class.c: Ditto.
15266 * java/jcf-parse.c: Ditto.
15267 * java/resource.c: Ditto.
15268 * java/except.c: Ditto.
15269 * java/jvspec.c: Ditto.
15270 * java/jcf-write.c: Ditto.
15271 * java/jcf-path.c: Ditto.
15272 * java/gjavah.c: Ditto.
15273 * java/zextract.c: Ditto.
15274 * java/jcf-io.c: Ditto.
15275 * java/jcf.h: Ditto.
15276 * java/buffer.c: Ditto.
15277 * java/lang.c: Ditto.
15278 * java/parse-scan.y: Ditto.
15279 * java/lex.c: Ditto.
15280 * java/lex.h: Ditto.
15281 * cfgloopmanip.c: Ditto.
15282 * postreload-gcse.c: Ditto.
15283 * tree-ssa-loop-manip.c: Ditto.
15284 * postreload.c: Ditto.
15285 * tree-ssa-loop-ch.c: Ditto.
15288 * cppspec.c: Ditto.
15289 * diagnostic.c: Ditto.
15291 * genoutput.c: Ditto.
15293 * cfghooks.c: Ditto.
15294 * cfgloopanal.c: Ditto.
15295 * objc/objc-act.c: Ditto.
15297 * genextract.c: Ditto.
15298 * genautomata.c: Ditto.
15299 * pretty-print.c: Ditto.
15300 * genemit.c: Ditto.
15301 * cgraphunit.c: Ditto.
15303 * df-scan.c: Ditto.
15304 * haifa-sched.c: Ditto.
15305 * dominance.c: Ditto.
15307 * tree-ssa-loop-ivopts.c: Ditto.
15308 * df-core.c: Ditto.
15309 * mode-switching.c: Ditto.
15310 * modulo-sched.c: Ditto.
15312 * ipa-pure-const.c: Ditto.
15314 * fix-header.c: Ditto.
15316 * tree-stdarg.c: Ditto.
15317 * ipa-utils.c: Ditto.
15318 * loop-init.c: Ditto.
15319 * ipa-inline.c: Ditto.
15320 * cfganal.c: Ditto.
15322 * alloc-pool.c: Ditto.
15323 * dwarf2out.c: Ditto.
15325 * genattrtab.c: Ditto.
15326 * tree-ssa-loop-ivcanon.c: Ditto.
15327 * predict.c: Ditto.
15328 * timevar.c: Ditto.
15330 * fortran/gfortranspec.c: Ditto.
15331 * regmove.c: Ditto.
15332 * local-alloc.c: Ditto.
15333 * langhooks.c: Ditto.
15334 * function.c: Ditto.
15335 * tree-vectorizer.c: Ditto.
15337 * ipa-type-escape.c: Ditto.
15339 * tree-if-conv.c: Ditto.
15340 * profile.c: Ditto.
15342 * tree-data-ref.c: Ditto.
15343 * loop-unroll.c: Ditto.
15344 * treelang/treetree.c: Ditto.
15346 * bt-load.c: Ditto.
15347 * ggc-common.c: Ditto.
15349 * coverage.c: Ditto.
15351 * tree-cfgcleanup.c: Ditto.
15352 * tree-ssa-pre.c: Ditto.
15353 * cfgcleanup.c: Ditto.
15354 * loop-invariant.c: Ditto.
15355 * loop-iv.c: Ditto.
15356 * ipa-prop.c: Ditto.
15357 * print-tree.c: Ditto.
15358 * conflict.c: Ditto.
15359 * ggc-page.c: Ditto.
15360 * sched-deps.c: Ditto.
15361 * regclass.c: Ditto.
15362 * tree-object-size.c: Ditto.
15363 * combine.c: Ditto.
15364 * bb-reorder.c: Ditto.
15365 * resource.c: Ditto.
15366 * var-tracking.c: Ditto.
15367 * cfgloop.c: Ditto.
15368 * df-problems.c: Ditto.
15369 * reg-stack.c: Ditto.
15371 * gccspec.c: Ditto.
15372 * sched-rgn.c: Ditto.
15373 * tree-ssa-structalias.c: Ditto.
15374 * tree-ssa-reassoc.c: Ditto.
15375 * config/darwin-c.c: Ditto.
15376 * config/darwin.c: Ditto.
15377 * config/arm/arm.c: Ditto.
15379 * collect2.c: Ditto.
15380 * reload1.c: Ditto.
15382 2006-01-31 Nicolas Pitre <nico@cam.org>
15384 * arm.md (smaxsi3): Make aware of smax_m1.
15387 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15389 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15391 2006-01-31 Richard Guenther <rguenther@suse.de>
15393 * doc/invoke.texi (-msselibm): Document.
15394 * target.h (expand_library_builtin): New target hook.
15395 * builtins.c (expand_builtin): Use expand_library_builtin.
15396 (default_expand_library_builtin): New function.
15397 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15398 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15399 (link_gcc_math_spec): Declare.
15400 (static_specs): Add link_gcc_math_spec.
15401 * expr.h (default_expand_library_builtin): Declare.
15402 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15403 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15404 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15405 * config/i386/i386.opt (msselibm): New target option.
15406 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15407 (ix86_init_sse_abi_builtins): New function.
15408 (ix86_expand_library_builtin): Likewise.
15409 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15410 (override_options): Handle error conditions wrt -msselibm.
15411 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15412 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15413 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15416 2006-01-31 Richard Guenther <rguenther@suse.de>
15417 Paolo Bonzini <bonzini@gnu.org>
15419 * doc/install.texi (--disable-libgcc-math): Document.
15421 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15423 * expr.h (expand_normal): new inline function.
15424 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15425 * dojump.c: use it.
15426 * dwarf2out.c: use it.
15429 * expmed.c: use it.
15430 * except.c: use it.
15431 * config/sparc/sparc.c: use it.
15432 * config/i386/i386.c: use it.
15433 * config/rs6000/rs6000.c: use it.
15434 * config/arm/arm.c: use it.
15435 * config/mips/mips.c: use it.
15436 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15438 2006-01-30 Roger Sayle <roger@eyesopen.com>
15440 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15441 argv to the appropriate type.
15443 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15445 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15448 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15451 * config/s390/s390.c (struct machine_function): New flag
15452 decomposed_literal_pool_addresses_ok_p.
15453 (s390_reorg): Set it before final stage of literal pool transforms.
15454 (s390_decompose_address): Only accept displacements of the form
15455 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15457 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15459 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15460 the comparison routine return.
15462 2006-01-30 Michael Matz <matz@suse.de>
15464 * global.c (find_reg): Only evict for global regs.
15465 Take n_refs into account and dump more info.
15467 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15470 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15471 (pragma_trap, pragma_nosave_low_regs): Likewise.
15472 (current_function_anonymous_args): Likewise.
15473 (sh_deferred_function_attributes): New variable.
15474 (sh_deferred_function_attributes_tail): Likewise.
15475 (print_operand): For '@', look up trap_exit attribute.
15476 (calc_live_regs): Look up trapa_handler attribute. For trapa
15477 handlers, save/restore fpscr, but don't do any other
15478 interrupt-specific saves.
15479 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15480 Fix check for partially saved registers to check for SHmedia.
15481 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15482 (sh_output_function_epilogue): Don't clear any of the removed
15484 (sh_insert_attributes): Don't check pragma_interrupt.
15485 Insert deferred attributes. Check that interrupt attribute is
15486 present for other attributes that require its presence.
15487 (sh_attribute_table): Add new attributes trapa_handler and
15489 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15490 Don't check for pragma_interrupt. Don't store argument.
15491 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15492 (sh_deferred_function_attributes): Declare.
15493 (sh_deferred_function_attributes_tail): Likewise.
15494 * sh.md (sp_switch_1): Add operand. Change generator caller.
15495 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15496 (*return_i): Don't use when trap_exit attribute is in effect.
15497 (*return_trapa): New insn pattern.
15498 * sh-c.c: New file.
15499 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15500 setting c_target_objs and cxx_target_objs.
15501 * t-sh: Add rule for sh-c.o.
15503 2006-01-30 Richard Guenther <rguenther@suse.de>
15506 * gimplify.c (gimplify_target_expr): Handle easy cases
15507 without creating a temporary.
15509 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15511 * vec.h (safe_grow): Remove duplicated line.
15513 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15516 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15517 (expand_omp): ... here.
15518 (expand_omp_parallel): Only remove barriers for combined
15519 parallel+workshare constructs.
15521 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15525 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15526 * tree.c (build_qualified_type): Chain the new type to the original
15527 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15528 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15529 (build_pointer_type_for_mode): Only return unqualified types.
15530 (build_reference_type_for_mode): Likewise.
15532 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15534 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15535 * Makefile.in (CXX_COMPAT_WARN): Define.
15536 * configure: Regenerate.
15538 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15541 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15544 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15546 * toplev.c: Fix thinko.
15548 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15549 Marcin Dalecki <martin@dalecki.de>
15551 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15552 (push_srcloc): Use XNEW.
15553 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15555 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15557 * df-core.c (df_set_blocks): Deleted all variable.
15559 2006-01-28 Ian Lance Taylor <ian@airs.com>
15561 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15562 cgraph_output_pending_asms.
15564 2006-01-28 Zack Weinberg <zackw@panix.com>
15566 * c.opt: Add -W(no-)overlength-strings.
15567 * doc/invoke.texi: Document it.
15568 * c-opts.c (c_common_handle_option): -pedantic implies
15569 -Woverlength-strings, if not explicitly disabled already.
15570 (c_common_post_options): -Woverlength-strings defaults to off, and
15571 is always off for C++.
15572 * c-common.c (fix_string_type): Issue warning about strings longer
15573 than is portable only if warn_overlength_strings. Rearrange code
15574 a little for clarity.
15575 * configure.in: Check for -Wno-overlength-strings as well before
15576 enabling -pedantic in stage 1.
15577 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15578 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15580 * genconditions.c (write_header, write_one_condition)
15581 (write_conditions, write_writer): Consolidate very long strings
15582 that were broken up to fit in C89 portable limit. Don't use
15583 printf when fputs will do.
15585 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15587 * combine.c (simplify_comparison <AND>): Check
15588 TRULY_NOOP_TRUNCATION before start using a subreg.
15590 * config/mips/mips.md (*branch_zero<mode>,
15591 *branch_zero<mode>_inverted, *branch_equality<mode>,
15592 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15593 Remove mode check from comparisons.
15595 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15597 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15599 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15601 * expmed.c (const_mult_add_overflow_p): Remove.
15602 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15604 * recog.c (validate_replace_rtx_subexp): Remove.
15605 * recog.h: Remove the prototype for
15606 validate_replace_rtx_subexp.
15608 * integrate.h: Remove the prototype for
15609 copy_decl_for_inlining.
15610 * rtl.h: Remove the prototype for mark_constant_function.
15611 * tree-vectorizer.h: Remove the prototype for
15612 vect_strip_conversion.
15614 * modulo-sched.c (create_partial_schedule,
15615 free_partial_schedule, reset_partial_schedule): Make them
15618 * hooks.c (hook_bool_rtx_int_false): Remove.
15619 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15621 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15623 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15624 and -mlong-double-128 are incompatible.
15625 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15626 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15627 (TARGET_LIBGCC2_CFLAGS): Define.
15628 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15629 (TARGET_LIBGCC2_CFLAGS): Same.
15630 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15632 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15635 * c-typeck.c (build_binary_op): Perform implicit casts of
15636 operands before shortening them.
15638 * cfgloopmanip.c (split_loop_bb): Remove.
15639 * cfgloop.h: Remove the prototype for split_loop_bb.
15641 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15642 * cfgloop.h: Remove the prototype for
15643 flow_loop_outside_edge_p.
15645 * emit-rtl.c (init_virtual_regs): Make it static.
15646 * function.h: Remove the prototype for init_virtual_regs.
15648 * recog.c (peephole2_optimize): Make it static.
15649 * recog.h: Remove the prototype for peephole2_optimize.
15651 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15653 * df-scan.c (df_record_entry_block_defs): Check if
15654 INCOMING_RETURN_ADDR_RTX is defined.
15656 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15657 Kenneth Zadeck <zadeck@naturalbridge.com>
15659 PR rtl-optimization/24762
15660 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15661 * targhooks.c (hook_void_bitmap): New hook prototype.
15662 * targhoohs.h (hook_void_bitmap): Ditto.
15663 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15664 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15665 * target.h (live_on_entry): New function pointer.
15666 * df-scan.c (df_all_hard_regs): Removed.
15667 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15668 (df_scan_free_internal): Added df->entry_block_defs.
15669 (df_scan_alloc): Ditto.
15670 (df_scan_dump): Ditto.
15671 (df_uses_record): Plumbed flag field properly thru calls.
15672 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15673 This part fixes PR24762.
15674 (df_bb_refs_record): Added code to make the frame and arg
15675 pointers live in EH blocks.
15676 (df_refs_record): Added call to df_record_entry_block_defs.
15677 (df_record_entry_block_defs): New function.
15678 * df-core.c: Added comments to describe new artifical defs.
15679 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15680 (entry_block_defs): New field in struct df.
15681 (df_all_hard_regs): Deleted.
15682 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15683 * df-problems.c (df_ru_bb_local_compute_process_def):
15684 Added code to handle artifical defs in the entry to a function.
15685 (df_ru_bb_local_compute): Ditto.
15686 (df_rd_bb_local_compute_process_def): Ditto.
15687 (df_rd_bb_local_compute): Ditto.
15688 (df_lr_bb_local_compute): Ditto.
15689 (df_ur_bb_local_compute): Ditto.
15690 (df_urec_bb_local_compute): Ditto.
15691 (df_chain_create_bb): Ditto.
15692 (df_ur_local_finalize): Removed entry.
15693 (df_urec_init): Ditto.
15694 (df_urec_local_finalize): Ditto.
15695 (df_ri_bb_compute): Added detection of last use of pseudos.
15696 * Makefile.in (df-scan.o): Updated dependencies.
15697 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15698 * config/mips/mips.c (mips_set_live_on_entry): Added.
15699 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15701 * dce.c (marked_insn_p): Added code to handle artifical defs.
15703 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15705 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15707 (_mm_cvtsi128_si64): Likewise.
15708 (_mm_cvtsd_si64): Likewise.
15709 (_mm_cvttsd_si64): Likewise.
15710 (_mm_cvtsi64_sd): Likewise.
15711 (_mm_cvtsi64_si128): Likewise.
15712 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15713 (_mm_cvtsi64_m64): Likewise.
15714 (_m_to_int64): Likewise.
15715 (_mm_cvtm64_si64): Likewise.
15716 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15717 (_mm_cvttss_si64): Likewise.
15718 (_mm_cvtsi64_ss): Likewise.
15719 (_mm_cvtss_f32): Likewise.
15721 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15723 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15724 for pragma redefine_extname.
15726 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15729 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15730 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15731 -mno-minimal-toc to previous content.
15732 (bispecs): Remove goal.
15733 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15734 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15735 compatibility aliases on powerpc-*-*gnu*.
15736 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15737 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15738 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15739 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15740 (ldblspecs): New goal.
15741 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15742 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15744 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15745 L_sf_to_tf or L_df_to_tf is defined.
15747 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15748 Alan Modra <amodra@bigpond.net.au>
15751 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15752 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15753 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15754 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15755 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15756 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15757 (rs6000_override_options): Initialize rs6000_ieeequad.
15758 Initialize TFmode format to ibm_extended_format if not
15760 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15762 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15763 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15764 (function_arg_advance): IBM long double passed in two FPRs, not
15766 (function_arg): IBM long double passed in FPRs.
15767 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15768 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15769 Only multireg GPR aligned.
15770 (rs6000_init_libfuncs): Enable IBM long double functions if not
15772 (rs6000_generate_compare): Use IBM long double compare if not
15774 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15775 (TARGET_IEEEQUAD): Define.
15776 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15777 not TARGET_IEEEQUAD.
15778 * config/rs6000/rs6000.md: Enable TFmode patterns if
15780 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15781 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15782 and -mlong-double-128 are incompatible.
15783 * doc/invoke.texi (-mabi): Collect options together. Add
15784 ibmlongdouble and ieeelongdouble.
15786 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15788 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15790 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15791 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15792 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15793 * rtl.h (rtunion_def): Remove rt_ptr.
15795 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15796 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15797 * config/i386/winnt.c (i386_pe_mark_dllexport)
15798 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15800 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15802 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15804 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15808 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15809 pthread_key_delete. From John David Anglin. gthrw-ify
15810 pthread_getunique_np only if it it's not a macro. Delete
15812 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15813 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15814 __gthread_objc_condition_signal, __gthread_key_delete): Add
15815 "__attribute__ ((__unused__))" to unused arguments.
15816 (__gthread_recursive_mutex_init_function): Add missing return.
15817 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15818 gthr-posix95.h: Use macro-based approach for name redirection
15819 on targets missing weakref.
15821 2006-01-26 Zack Weinberg <zackw@panix.com>
15823 * genconditions.c (write_header): In generated code, #ifdef out
15824 all includes and fake declarations, except includes of bconfig.h
15825 and system.h, unless GCC_VERSION >= 3001. Do not include
15826 gensupport.h in any case.
15827 (write_conditions): Generate a definition of struct c_test. Add
15828 a comment to the generated #endif.
15829 (write_one_condition): Escape backslashes in string too.
15830 (write_writer): Generated code must escape backslashes and quote
15831 marks (but not newlines) in the strings it writes.
15832 * Makefile.in (build/gencondmd.o): Update dependencies.
15834 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15837 * Makefile.in (insn-automata.o): Add header file dependencies.
15838 * genautomata.c: Add includes.
15840 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15843 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15845 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15847 * configure.ac: Expect target tools paths to be passed from the toplevel
15848 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15850 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15852 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15855 * c.opt (Wpointer-sign): Init to -1.
15856 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15857 OPT_pedantic, to 0 otherwise.
15858 * doc/invoke.texi: Update.
15860 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15862 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15863 constants provided by 80387 instructions in the destination mode.
15865 2006-01-26 Richard Guenther <rguenther@suse.de>
15866 Andrew Pinski <pinskia@physics.uc.edu>
15869 partial PR tree-opt/17064
15870 * tree-ssa-structalias.c (intra_create_variable_infos):
15871 Create heap variables for incoming parameters if
15872 flag_argument_noalias > 1.
15873 (find_what_p_points_to): Look through default defs of
15876 2006-01-26 Jeff Law <law@redhat.com>
15879 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15880 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15881 within the VR_RANGE, use the VR_RANGE as the result, not the
15883 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15884 bounds for the type.
15886 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15888 * tree-ssa-alias.c (maybe_create_global_var): Change
15889 subvar walking to an assertion that we don't have subvar'd variables.
15891 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15894 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15895 Use a new variable, inner. PARM_DECLs are always non-weak.
15897 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15899 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15900 --disable-checking.
15902 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15904 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15906 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15908 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15909 (smax_insn, smin_insn, smax_0, smin_0): New.
15911 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15914 * config/cris/cris.c (cris_order_for_addsi3): New function.
15915 * config/cris/cris-protos.h: Prototype it.
15916 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15917 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15918 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15919 (split for "op.S1 [rx=rx+i],ry (swapped)")
15920 (split for "op(s|u).S1 [rx=rx+i],ry")
15921 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15922 Apply cris_order_for_addsi3 when generating addsi3 insns.
15924 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15926 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15927 (TREE_BLOCK): Add call to EXPR_CHECK.
15929 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15932 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15933 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15934 (dump_omp_clauses): ... here.
15935 (dump_generic_node): Handle OMP_CLAUSE.
15936 * tree.c (omp_clause_num_ops): New.
15937 (omp_clause_code_name): New.
15938 (tree_code_size): Handle OMP_CLAUSE.
15939 (tree_size): Likewise.
15940 (make_node): Document handling of OMP_CLAUSE.
15941 (tree_node_structure): Handle OMP_CLAUSE.
15942 (omp_clause_check_failed): New.
15943 (omp_clause_range_check_failed): New.
15944 (omp_clause_operand_check_failed): New.
15945 (build_omp_clause): New.
15946 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15947 * tree.h (enum omp_clause_code): Declare.
15948 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15949 (OMP_CLAUSE_RANGE_CHECK): Define.
15950 (OMP_CLAUSE_ELT_CHECK): Define.
15951 (omp_clause_check_failed): Declare.
15952 (omp_clause_operand_check_failed): Declare.
15953 (omp_clause_range_check_failed): Declare.
15954 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15955 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15956 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15957 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15958 (OMP_CLAUSE_IF_EXPR): Likewise.
15959 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15960 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15961 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15962 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15963 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15964 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15965 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15966 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15967 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15968 (OMP_CLAUSE_CODE): Define.
15969 (OMP_CLAUSE_SET_CODE): Define.
15970 (OMP_CLAUSE_CODE): Define.
15971 (OMP_CLAUSE_OPERAND): Define.
15972 (struct tree_omp_clause): Declare.
15973 (union tree_node): Add field 'omp_clause'.
15974 * treestruct.def (TS_OMP_CLAUSE): Define.
15975 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15976 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15977 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15978 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15979 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15980 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15981 (OMP_CLAUSE): Define.
15982 * print-tree.c (print_node): Handle OMP_CLAUSE.
15983 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15984 * c-typeck.c: Likewise.
15985 * gimplify.c: Likewise.
15986 * c-omp.c: Likewise.
15987 * tree-nested.c: Likewise.
15988 * tree-inline.c: Likewise.
15989 * c-parser.c: Likewise.
15990 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15993 2006-01-25 Roger Sayle <roger@eyesopen.com>
15995 PR rtl-optimization/25703
15996 * combine.c (try_combine): Handle zero_extract and strict_low_part
15997 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15999 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16001 * global.c: Fix comment typos.
16003 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16006 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16007 Use output_addr_const instead of assemble_name.
16009 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16011 * Makefile.in (sched-vis.o): Update dependencies.
16012 * haifa-sched.c (sched_finish): Clear current_sched_info.
16013 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16014 (dump_flow_info): Call it.
16015 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16017 * basic-block.h (dump_bb_info): Declare.
16018 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16019 option, and apply options only for dump files whose TDF_RTL,
16020 TDF_TREE, or TDF_IPA bits match.
16021 * rtl.h: Declare new functions exported from sched-vis.c.
16022 * sched-vis.c: Enable also if scheduling is not used.
16023 (print_value): Print the mode of registers if not inside scheduling.
16024 (print_insn): Make it work outside the scheduler. Beautify the output
16026 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16028 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16030 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16031 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16032 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16033 depending on the value of CONSTANT_POOL_ADDRESS_P.
16034 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16036 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16037 rather than SYMBOL_REF_DECL.
16038 (rtx_constant_pool): Remove const_rtx_sym_htab.
16039 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16040 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16041 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16042 Remove handling of const_rtx_sym_htab.
16043 (find_pool_constant): Delete.
16044 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16045 rather than find_pool_constant.
16046 (get_pool_constant_for_function): Delete.
16047 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16048 find_pool_constant.
16049 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16050 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16051 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16052 (SYMBOL_REF_CONSTANT): New macro.
16053 (get_pool_constant_for_function): Delete.
16054 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16055 rather than SYMBOL_REF_DECL.
16056 (i386_pe_mark_dllimport): Likewise.
16057 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16058 rather than SYMBOL_REF_DECL.
16059 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16060 (machopic_indirect_call_target): Likewise.
16062 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16064 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16066 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16068 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16070 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16072 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16074 2006-01-24 David Daney <ddaney@avtrex.com>
16077 * configure.ac (enable_tls): New enable option.
16078 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16079 * configure: Regenerate.
16080 * doc/install.texi (--enable-tls): Document new option.
16081 (--disable-tls): Ditto.
16083 2006-01-24 Richard Henderson <rth@redehat.com>
16085 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16086 * alias.c (true_dependence): Respect it.
16087 (canon_true_dependence, write_dependence_p): Likewise.
16088 * builtins.c (get_builtin_sync_mem): Set it.
16090 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16092 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16095 2006-01-24 DJ Delorie <dj@redhat.com>
16097 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16098 for storing constants in single-bit bitfields.
16100 2006-01-25 Ben Elliston <bje@au.ibm.com>
16102 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16104 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16107 * tree-ssa-pre.c (phi_translate): Return NULL
16108 for AGGREGATE_TYPE's.
16110 2006-01-24 Zack Weinberg <zackw@panix.com>
16112 * genautomata.c (process_state_for_insn_equiv_partition):
16113 Use xcalloc for insn_arcs_array.
16114 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16115 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16117 2006-01-24 Richard Henderson <rth@redhat.com>
16119 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16120 update all callers.
16122 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16124 PR rtl-optimization/25890
16125 PR rtl-optimization/25905
16126 * combine.c (expand_compound_operation, expand_field_assignment):
16127 Fail if the bitfield's final position is out of bounds.
16129 2006-01-24 Ian Lance Taylor <ian@airs.com>
16131 PR middle-end/25930
16132 * cgraphunit.c (cgraph_output_in_order): Don't clear
16133 cgraph_asm_nodes until after asm strings have been output.
16135 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16137 * fix-header.c (read_scan_file): Add new parameter imultilib when
16138 calling register_include_chains.
16140 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16142 * omp-low.c: Update documentation.
16144 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16145 Daniel Berlin <dberlin@dberlin.org>
16149 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16150 return from the function.
16152 2006-01-22 Zack Weinberg <zackw@panix.com>
16154 * rtl.def (match_code): Add second argument.
16155 * genpreds.c (write_extract_subexp): New function.
16156 (write_match_code): Add path argument. Use write_extract_subexp.
16157 (write_predicate_expr): Pass path to write_match_code.
16158 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16159 not perform a mode test.
16160 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16161 a subexpression does not constrain the top-level code set.
16162 * read-rtl.c (read_rtx_variadic): New function.
16163 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16164 * doc/md.texi: Document new notation.
16165 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16166 (cmpsi_operand): ... here, using new notation.
16168 2006-01-22 Zack Weinberg <zackw@panix.com>
16170 * varray.c: Remove GENERATOR_FILE #ifdefs.
16172 2006-01-22 Zack Weinberg <zackw@panix.com>
16174 * genautomata.c (output_reserved_units_table): Emit nothing if
16175 description->query_units_num is zero. Remove extra blank line.
16176 (output_cpu_unit_reservation_p): Short circuit
16177 if description->query_units_num is zero.
16179 2006-01-22 Zack Weinberg <zackw@panix.com>
16181 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16182 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16183 nor any of the random handful of variables that used to be necessary
16184 when this program was linked with rtlanal.o. Prune set of forward
16185 function declarations.
16186 (struct attr_desc): Remove static_p field.
16187 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16188 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16189 (attr_string): Do not read the character one past the length of
16191 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16192 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16193 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16194 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16195 (make_automaton_attrs): New.
16196 (main): Do not call into genautomata. Call local gen_bypass
16197 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16198 Remove special case for insn_alts.
16199 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16200 varray.h (leftover from previous change). Prune set of forward
16201 function declarations. Remove state_alts fields from all
16202 structures. Remove state_alts_table from struct automaton.
16203 Make everything except main static. Do not maintain num_dfa_decls.
16204 Do not maintain state_alts fields of various structures.
16205 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16206 (add_arc): Remove state_alts argument. All callers updated.
16207 (output_reserved_units_table): Emit #ifdef here...
16208 (output_tables): ...not here. Don't generate state_alts tables.
16209 (expand_automata): Don't generate attributes.
16210 (write_automata): Don't generate state_alts functions.
16211 (main): New function.
16212 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16213 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16214 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16215 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16216 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16217 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16218 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16219 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16221 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16222 * genattrtab.h: Delete file.
16223 * Makefile.in (OBJS-common): Add insn-automata.o.
16224 (insn-automata.o): New rule.
16225 (simple_generated_c): Add insn-automata.c.
16226 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16227 (genprogmd): Add automata.
16228 (build/genattrtab): Needs no extra objects nor libraries.
16229 (build/genautomata): Needs build/vec.o and -lm.
16231 2006-01-22 Zack Weinberg <zackw@panix.com>
16233 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16234 (output_dfa_max_issue_rate, locked_states_num): Delete.
16235 (struct automaton): Add locked_states field.
16236 (output_dead_lock_vect): Save number of locked states in
16237 automaton->locked_states. If it is zero, don't print anything.
16238 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16239 (output_internal_dead_lock_func): Only test the dead_lock_vect
16240 for automata that have locked states.
16241 (output_statistics): Always print the number of locked states for
16242 each automaton. Calculate total number of locked states here.
16243 (write_automata): Don't call output_dfa_max_issue_rate.
16244 * genattrtab.c: Define length_unit_log as a const variable.
16245 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16246 max_insn_queue_index const.
16247 * final.c (length_unit_log): Declare const.
16248 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16250 2006-01-22 Zack Weinberg <zackw@panix.com>
16252 * genautomata.c: Include vec.h, not varray.h.
16253 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16254 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16255 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16256 VEC_* macros operating on appropriately typed vectors, or to
16257 malloced arrays when the size is known in advance. Const-ify
16258 many char* variables and function arguments. No functional changes.
16259 * Makefile.in (build/varray.o): Delete rule.
16260 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16261 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16263 2006-01-22 Zack Weinberg <zackw@panix.com>
16265 * gensupport.c: Define get_insn_name and record_insn_name here.
16266 (read_md_rtx): Call record_insn_name as appropriate.
16267 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16268 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16269 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16271 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16272 (BUILD_VARRAY): Delete.
16273 (genprognormal): Rename genprogmd. Fold in all programs from
16274 genprognoprint; also attrtab.
16275 (build/genattrtab): Just mention genautomata.o and varray.o.
16276 Reorganize a bit, add comments to make the categories clearer.
16278 2006-01-22 Zack Weinberg <zackw@panix.com>
16280 * genconditions.c (condition_table, add_condition): Delete.
16281 (write_conditions): Don't emit n_insn_conditions nor
16282 insn_elision_unavailable. Issue the gcc version #ifdef here,
16283 inside the table, with no #else clause ...
16284 (write_header): ...not here.
16285 (write_writer): New function.
16286 (main): Don't initialize condition_table. Use add_c_test.
16288 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16289 files on the command line.
16290 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16291 Return -1 if there is no entry in the table, don't abort.
16292 (add_c_test, traverse_c_tests): New functions.
16293 * gensupport.h (insn_elision_unavailable, insn_conditions)
16294 (n_insn_conditions): Delete declarations.
16295 (add_c_test, traverse_c_tests): Declare.
16296 * read-rtl.c: Include gensupport.h.
16297 (read_conditions): New function.
16298 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16299 (read_rtx_1): If we get EOF when we were looking for an initial
16300 open paren, return 0. Call read_conditions when appropriate.
16301 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16302 dummy-conditions.o. Eliminate references to insn-conditions.o,
16303 or change them to build/gencondmd.o, as appropriate. Remove
16304 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16305 from $(simple_generated_c). For all files remaining in those
16306 two lists, add insn-conditions.md to the generator command line.
16307 Give insn-constants.h/s-constants their own rules. Add rules
16308 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16309 (build/read-rtl.o): Depend on gensupport.h.
16310 (genprognormal): Include preds.
16311 (genprogearly): Rename genprognoprint; only difference is now that
16312 they don't link with $(BUILD_PRINT).
16313 * dummy-conditions.c: Delete.
16315 2006-01-22 Zack Weinberg <zackw@panix.com>
16317 * genextract.c: Don't include insn-config.h. Do include vec.h.
16318 Declare vectors of int, char, and locstr.
16319 (locstr): New typedef.
16320 (struct extraction): Make all array fields into bare pointers.
16321 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16322 (insn_code_number): Delete.
16323 (accum_extract): New struct.
16324 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16325 (gen_insn): Take insn_code_number as an argument. Use an
16326 accum_extract structure instead of loading data directly into
16327 a struct extraction, and having to know how big it might get.
16328 (walk_rtx): Operate entirely on an accum_extract structure.
16329 (print_path): Avoid unnecessary use of printf.
16330 (print_header): New function, split out of main. Distinguish
16331 more carefully between an unrecognizable insn and an insn that
16332 has the code number of a define_expand.
16333 (main): Pass insn_code_number to gen_insn. Call print_header
16334 only after parsing. Avoid unnecessary use of printf.
16335 * Makefile.in (build/vec.o): New rule.
16336 (build/genextract): Depend on build/vec.o.
16337 (build/genextract.o): Don't depend on insn-config.h.
16339 2006-01-22 Zack Weinberg <zackw@panix.com>
16341 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16342 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16343 practical. Eliminate per-generator-program link rules.
16345 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16347 PR middle-end/24437
16348 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16349 with a call expr to ...
16350 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16352 2006-01-23 Richard Guenther <rguenther@suse.de>
16354 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16355 before make_edge with conditional EDGE_TRUE_VALUE.
16357 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16358 Jan Hubicka <jh@suse.cz>
16359 Richard Guenther <rguenther@suse.de>
16361 PR rtl-optimization/25654
16362 * cfgexpand.c (aggregate_contains_union_type): New function.
16363 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16364 for structure variables that contain a union type.
16366 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16368 * gengtype.c (new_structure): Return the structure.
16369 (create_option): Add an extra "next" argument.
16370 (create_field): New function.
16371 (adjust_field_rtx_def): Use create_option and create_field.
16372 Remove a now-unnecessary call to find_structure.
16373 (adjust_field_tree_def): Likewise.
16374 (note_yacc_type): Remove an unnecessary call to find_structure.
16375 * gengtype.h (new_structure): Return the structure.
16376 (create_option): Add an extra argument.
16377 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16378 (option): Adjust calls to create_option.
16380 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16382 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16384 2006-01-22 Paul Brook <paul@codesourcery.com>
16385 Peter Barada <peter@the-baradas.com>
16387 * config/m68k/m68k.md: Add Coldfire FPU support.
16388 Define FP mode macro and associated attributes.
16389 Use it for float mode patterns.
16390 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16391 (LIBCALL_VALUE): Use m68k_libcall_value.
16392 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16393 (m68k_function_value): Ditto.
16394 (emit_move_sequence): Ditto.
16395 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16396 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16397 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16398 (MULTILIB_EXCEPTIONS): Ditto.
16399 * config/m68k/m68k.opt: Add mcfv4e.
16400 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16401 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16402 (m68k_output_function_prologue): Save ColdFire FPU registers.
16403 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16404 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16405 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16406 ColdFire FPU registers.
16407 (m68k_libcall_value, m68k_function_value): New functions.
16408 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16409 (LIBCALL_VALUE): Use m68k_libcall_value.
16410 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16411 (MASK_COLDFIRE): Add MASK_CFV4E.
16412 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16413 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16414 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16415 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16416 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16417 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16418 * doc/invoke.tex: Document -mcfv4e on m68k.
16420 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16422 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16425 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16428 * c-opts.c (c_common_handle_option): Don't include
16429 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16430 * doc/invoke.texi (C++ Dialect Options): Document that
16431 -Wnon-virtual-dtor is no longer included in -Wall.
16433 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16435 * gcov.c (print_version), gcov-dump.c (print_version),
16436 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16439 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16441 * df-scan.c (problem_SCAN): Added NULL reset function.
16442 (df_scan_reset_blocks): Added code to call reset block function
16443 (df_bb_refs_delete) Fixed comment.
16444 (df_insn_refs_delete): Made tolerant of deleting non existent info
16445 for dataflow problems that need to be reset.
16446 * df-core.c (df_set_blocks): Ditto.
16447 * df.h (struct df_problem): Added reset_fun.
16448 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16449 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16450 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16451 functions to clear out all references to def-use or use-def chains.
16453 2006-01-21 Ben Elliston <bje@au.ibm.com>
16455 * varasm.c (assemble_real): Initialise data array.
16457 2006-01-20 Paul Brook <paul@codesourcery.com>
16459 Merge from csl-arm-branch.
16460 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16461 * config/arm/arm.md (movdi): Force operands[1] to a register
16462 if we have a non-register source.
16463 (*arm_movdi, *movdf_soft_insn): Require that one of the
16464 operands be a register.
16465 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16466 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16468 2006-01-20 DJ Delorie <dj@redhat.com>
16470 * varasm.c (initializer_constant_valid_p): Allow pointers
16471 initialized from integer constants of lesser precision.
16472 (output_constant): Allow non-int-sized pointer modes to be
16473 initialized from integer constants.
16475 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16478 * cppdefault.h (struct default_include): Add multilib flag.
16479 * cppdefault.c (cpp_include_defaults): Set it.
16480 * c.opt (-imultilib): New option.
16481 * c-opts.c (imultilib): New.
16482 (c_common_handle_option): Handle -imultilib.
16483 (c_common_post_options): Likewise.
16484 * c-incpath.c (add_standard_paths, register_include_chains):
16486 * c-incpath.h (register_include_chains): Add extra parameter.
16487 * gcc.c (do_spec_1): Generate -imultilib option.
16488 (The Specs Language): Update %I description.
16489 (process_command): Update copyright notice.
16490 * doc/cppopts.texi (-imultilib): Document.
16491 * doc/invoke.texi (-imultilib): Include in option summary.
16492 (%I): Update specs documentation.
16494 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16496 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16498 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16500 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16503 2006-01-20 Richard Guenther <rguenther@suse.de>
16504 Steven Bosscher <stevenb.gcc@gmail.com>
16506 PR rtl-optimization/24626
16507 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16508 EDGE_TRUE_VALUE if in RTL mode.
16511 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16512 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16514 2006-01-20 Dirk Mueller <dmueller@suse.com>
16517 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16518 instead of a special NOP marker.
16519 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16520 NOP marker handling.
16521 * c-common.h (empty_body_warning): Add forward declaration.
16522 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16523 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16525 2006-01-20 Paul Brook <paul@codesourcery.com>
16527 * Makefile.in (lang_checks): Keep going if mkdir fails.
16529 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16531 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16532 be able to clean out basic block when not necessary.
16533 (df_scan_free): Fixed to properly delete information if df is
16534 unused before calling df_finish.
16535 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16536 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16538 (df_bb_refs_delete): New function.
16539 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16540 * df-core.c (df_set_blocks): Added code to properly clean out
16541 unused blocks if they are not part of the blocks to consider.
16542 Added additional null check.
16543 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16544 be able to clean out basic block when not necessary
16545 * df.h (df_free_bb_function): Ditto.
16546 (df_bb_refs_delete): New function.
16547 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16548 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16549 basic block parameter to be able to clean out basic block when not
16551 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16552 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16553 Fixed to properly delete information if df is unused before
16556 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16558 PR rtl-optimization/25799
16559 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16560 Corrected confluence operator to remove bits from op2 before oring
16561 with op1 rather than removing bits from op1.
16562 (df_ru_transfer_function): Corrected test on wrong bitmap which
16563 caused infinite loop. Both of these problems were introduced in
16564 the dataflow rewrite.
16566 2006-01-19 DJ Delorie <dj@redhat.com>
16568 * reload1.c (find_reload_regs): Note the details of reload
16569 failures in the dump file.
16570 (spill_failure): Likewise.
16572 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16574 * loop-iv.c: Include df.h and hashtab.h.
16575 (enum iv_grd_result): New enum.
16576 (DF_REF_IV, DF_REF_IV_SET): New macros.
16577 (struct biv_entry): New.
16578 (df, bivs): New global variables.
16579 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16580 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16582 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16583 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16584 analyzed_for_bivness_p, record_biv): New functions.
16585 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16586 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16587 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16589 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16591 (iv_number_of_iterations): Use new interface to iv analysis.
16592 * loop-unroll.c: Do not include varray.h.
16593 (analyze_iv_to_split_insn): Use new interface to iv
16595 * loop-unswitch.c (may_unswitch_on): Ditto.
16596 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16598 (df_bb_modify): Realloc tables to the new index.
16599 (df_find_use): New function.
16600 * df.h (df_find_use): Declare.
16601 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16603 * cfgloop.h (struct rtx_iv): Remove analysed field.
16604 (iv_get_reaching_def): Removed.
16605 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16606 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16607 (loop-iv.o): Add df.h and hashtab.h dependency.
16608 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16610 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16613 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16615 (__floatundisf, __floatundidf): Likewise.
16616 * libgcc2.h (IS_IBM_EXTENDED): Define.
16618 2006-01-19 DJ Delorie <dj@redhat.com>
16620 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16622 2006-01-19 Paul Brook <paul@codesourcery.com>
16624 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16625 as nothrow when unwinding tables are disabled.
16627 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16630 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16631 of bit-field" when in system header.
16633 2006-01-19 DJ Delorie <dj@redhat.com>
16635 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16636 the 16 bit shift limit of the m16c.
16638 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16641 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16642 * config/i386/i386.c (output_set_got): Output the label if we have one
16643 for the TARGET_DEEP_BRANCH_PREDICTION case.
16645 2006-01-19 Jan Hubicka <jh@suse.cz>
16646 H.J. Lu <hongjiu.lu@intel.com>
16647 Evandro Menezes <evandro.menezes@amd.com>
16649 * invoke.texi (generic): Document
16651 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16652 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16653 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16654 (x86_use_incdec, x86_pad_returns): New variables
16655 (TARGET_CPU_DEFAULT_generic): New constant
16656 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16657 (enum processor_type): Add generic32 and generic64.
16658 * i386.md (cpu attribute): Add generic32/generic64
16659 (movhi splitter): Behave sanely when both partial_reg_dependency and
16660 partial_reg_stall are set.
16661 (K8 splitters): Enable for generic as well.
16662 * predicates.md (incdec_operand): Use TARGET_INCDEC
16663 (aligned_operand): Avoid memory mismatch stalls.
16664 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16665 * ppro.md: Enable for generic32
16666 * i386.c (generic64_cost, generic32_cost): New.
16667 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16668 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16669 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16670 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16671 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16672 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16673 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16674 x86_accumulate_outgoing_args, x86_prologue_using_move,
16675 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16676 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16677 Enable for generic.
16678 (x86_use_incdec, x86_pad_returns): New.
16679 (override_options): Add generic32 and generic64, translate "generic"
16680 to generic32/generic64 and "i686" to "generic32", refuse
16681 "generic32"/"generic64" as arch target.
16682 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16683 (ix86_reorg): Honor PAD_RETURNS.
16685 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16687 * tree-pretty-print.c (dump_generic_node): Handle
16688 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16689 * cgraph.c (cgraph_expand_queue): Rename from
16690 cgraph_analyze_queue. Update all users.
16691 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16692 cgraph_expand_queue.
16693 (cgraph_expand_all_functions): Likewise.
16694 (cgraph_finalize_pending_functions): Remove. Update callers.
16696 * tree.h (OMP_DIRECTIVE_P): Define.
16697 (OMP_PARALLEL_FN): Define.
16698 (OMP_PARALLEL_DATA_ARG): Define.
16699 (OMP_SECTIONS_SECTIONS): Define.
16700 * tree-pass.h (pass_expand_omp): Declare.
16701 * omp-low.c (struct omp_region): Declare.
16702 (struct omp_context): Remove fields 'parallel_type',
16703 'parallel_start_ix' and 'parallel_start_additional_args'.
16705 (struct omp_for_data): Rename from struct expand_omp_for_data.
16706 (omp_regions): New static variable.
16707 (root_omp_region): New static variable.
16708 (find_omp_clause): Make static.
16709 (is_in_combined_parallel_ctx): Remove.
16710 (is_combined_parallel): New.
16711 (extract_omp_for_data): Move earlier in the file.
16712 (workshare_safe_to_combine_p): New.
16713 (get_ws_args_for): New.
16714 (determine_parallel_type): Move earlier in the file.
16715 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16717 (omp_copy_decl): Likewise.
16718 (create_omp_child_function): Likewise.
16719 (lookup_omp_region): New.
16720 (dump_omp_region): New.
16721 (debug_omp_region): New.
16722 (debug_all_omp_regions): New.
16723 (new_omp_region): New.
16724 (scan_omp_parallel): If parallel_nesting_level > 1, the
16725 directive is nested within another parallel directive.
16726 Set OMP_PARALLEL_FN.
16727 (scan_omp_for): Do not try to handle combined parallel+for
16729 Remove FIXME comment.
16730 (scan_omp_nested): Remove.
16731 (scan_omp_1): Do not call scan_omp_nested when
16732 parallel_nesting_level is > 1.
16733 Do not change the DECL_CONTEXT of local variables found.
16734 (lookup_decl_in_outer_ctx): New.
16735 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16736 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16737 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16738 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16739 If CTX is nested, lookup VAR in the outer context when
16740 building copy assignment.
16741 (lower_send_clauses): Rename from expand_send_clauses.
16742 If CTX is nested, lookup VAR in the outer context when
16743 building copy assignments.
16744 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16745 If CTX is nested, lookup VAR in the outer context when
16746 building copy assignments.
16747 (expand_parallel_call): Rename from build_parallel_call.
16748 Handle combined parallel+workshare cases.
16749 Re-implement to emit code into the CFG.
16751 (expand_omp_parallel): Re-implement to emit code into the CFG.
16752 Call move_sese_region_to_fn to outline the sub-graph
16753 containing the parallel region.
16754 (expand_omp_for_1): Remove.
16755 (expand_omp_for_generic): Re-implement to emit code into the
16757 (expand_omp_for_static_nochunk): Likewise.
16758 (expand_omp_for_static_chunk): Likewise.
16759 (expand_omp_for): Likewise.
16760 (expand_omp_sections): Likewise.
16761 (remove_exit_barriers): New.
16762 (expand_omp_synch): New.
16764 (build_omp_regions_1): New.
16765 (build_omp_regions): New.
16766 (execute_expand_omp): New.
16767 (gate_expand_omp): New.
16768 (pass_expand_omp): Define.
16769 (lower_omp_sections): Rename from expand_omp_sections.
16770 Set OMP_SECTIONS_SECTIONS.
16771 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16772 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16773 (lower_omp_single): Rename from expand_omp_simple.
16774 (lower_omp_master): Rename from expand_omp_master.
16775 (lower_omp_ordered): Rename from expand_omp_ordered.
16776 (lower_omp_critical): Rename from expand_omp_critical.
16777 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16778 (lower_omp_for): Re-implement.
16779 (lower_omp_parallel): Re-implement.
16780 (lower_regimplify): Rename from expand_regimplify.
16781 (lower_omp_1): Rename from expand_omp_1.
16782 If there are syntax errors in the program, replace every
16783 OpenMP directive with NOP.
16784 Call lower_omp_* instead of expand_omp_*.
16785 (lower_omp): Rename from expand_omp.
16787 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16788 * tree-gimple.h (enum omp_parallel_type): Remove.
16789 (gimple_boolify): Declare extern.
16790 (find_omp_clause, determine_parallel_type): Remove.
16792 * gimple-low.c (lower_omp_directive): New.
16793 (lower_stmt): Call it.
16794 (record_vars_into): Move from ...
16795 (record_vars): ... here.
16796 Call record_vars_into with current_function_decl.
16798 * gimplify.c (struct gimplify_ctx): Remove fields
16799 combined_pre_p and combined_ctxp. Update users.
16800 (get_formal_tmp_var): Add documentation.
16801 (gimple_boolify): Make extern.
16802 (gimplify_expr_in_ctx): Remove. Update callers.
16803 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16804 will always be a BIND_EXPR.
16805 (gimplify_expr): Handle OMP_RETURN_EXPR.
16806 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16807 (OMP_PARALLEL): Add 3 operands.
16808 (OMP_SECTIONS): Add 1 operand.
16809 (OMP_RETURN_EXPR): Define.
16811 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16812 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16813 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16814 creating a circular free list.
16815 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16817 * tree-flow.h (move_sese_region_to_fn): Declare.
16818 (record_vars_into): Declare.
16819 * tree-cfg.c (make_omp_sections_edges): New.
16820 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16821 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16822 OMP_SECTIONS and OMP_SECTION.
16823 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16824 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16825 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16826 (gather_blocks_in_sese_region): New.
16827 (struct move_stmt_d): Declare.
16828 (move_stmt_r): New.
16829 (move_block_to_fn): New.
16830 (move_sese_region_to_fn): New.
16832 * passes.c (init_optimization_passes): Schedule
16833 pass_expand_omp after pass_init_datastructures.
16835 * tree-ssa-operands.c (get_expr_operands): Handle
16836 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16837 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16839 2006-01-19 Jeff Law <law@redhat.com>
16841 * tree-vrp.c (extract_range_from_assert): Refine the result range
16842 if the variable referenced by the ASSERT_EXPR has a range and
16843 either the tentative result range or the previous range is a
16846 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16848 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16850 2006-01-19 Jan Hubicka <jh@suse.cz>
16852 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16854 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16856 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16857 (expand_compound_operation, expand_field_assignment): Fail if the
16858 bit lengths of an extract operation are out of range.
16859 (make_extraction): Compute wanted_inner_mode based on the position
16860 and length of the extraction. Make it extraction_mode for non-constant
16861 positions, and do not modify offset in that case. When generating a
16862 new MEM, use a mode that can hold the extraction while keeping correct
16863 alignment. Remove code that supported MEMs wrapped by USEs.
16864 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16866 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16868 * config/s390/s390.md ("Y", "y"): New mode attribute.
16869 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16870 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16871 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16872 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16873 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16874 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16875 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16876 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16877 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16878 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16879 "addsi3", "subsi3"): Insn patterns removed.
16880 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16881 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16882 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16883 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16884 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16885 "*sub<mode>3_cconly2"): New insn patterns.
16886 ("addsi3", "subsi3"): New expanders.
16888 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16890 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16891 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16892 existing STMT_VINFO_VECTYPE if available.
16893 (vect_mark_relevant): Add special handling for stmts that are
16894 marked as STMT_VINFO_IN_PATTERN_P.
16895 (vect_analyze_loop): Call vect_pattern_recog.
16896 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16897 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16899 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16900 (vect_recog_func_ptr): New function-pointer type.
16901 * tree-vect-patterns.c: New file.
16902 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16903 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16904 (vect_pattern_recog_1): New functions.
16905 (vect_pattern_recog_funcs): New array of function pointers.
16907 * tree-vectorizer.h (ternary_op): New enum value.
16908 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16909 declaration. Revised documentation. Removed redundant dump prints.
16910 Removed redundant argument. Added support for reduction patterns.
16911 (vectorizable_reduction): Added support for reduction patterns.
16912 (vect_transform_stmt): Added support for patterns.
16914 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16915 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16916 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16917 (expand_widen_pattern_expr): New function.
16918 (init_optabs): Initialize new optabs udot_prod_optab,
16920 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16921 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16922 (expand_widen_pattern_expr): New function declaration.
16923 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16925 * tree-inline.c (estimate_num_insns_1): Added cases for new
16926 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16927 * tree-pretty-print.c (dump_generic_node): Likewise.
16928 (op_prio): Likewise.
16929 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16930 * tree-ssa-operands.c (get_expr_operands): Added case for
16932 * tree-vect-patterns.c (widened_name_p): New function.
16933 (vect_recog_dot_prod_pattern): Added function implementation.
16934 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16935 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16936 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16937 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16939 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16940 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16941 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16942 (init_optabs): Initialize new optabs widen_ssum_optab,
16944 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16945 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16946 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16947 use instead of type of def.
16948 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16949 function implementation.
16950 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16951 widen_ssumv8hi): New.
16953 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16956 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16959 * c-decl.c (add_flexible_array_elts_to_size): New function.
16960 (finish_decl): Use it.
16962 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16964 * diagnostic.h: Include options.h.
16965 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16966 dependancies for diagnostic.h.
16967 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16969 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16971 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16972 (ssa_ro_call_cache_valid): Ditto.
16973 * tree-ssa-alias.c (sort_tags_by_id): New function.
16974 (init_transitive_clobber_worklist): Ditto.
16975 (add_to_worklist): Ditto.
16976 (mark_aliases_call_clobbered): Ditto.
16977 (compute_tag_properties): Ditto.
16978 (set_initial_properties): Ditto.
16979 (compute_call_clobbered): Ditto.
16980 (compute_may_aliases): Call compute_call_clobbered and grouping.
16981 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16982 (compute_flow_insensitive_aliasing): Grouping now happens in our
16984 (setup_pointers_and_addressables): Remove clobbering related code.
16985 (add_may_alias): Ditto.
16986 (replace_may_alias): Ditto.
16987 (get_nmt_for): Ditto.
16988 (create_global_var):
16989 (is_escape_site): Return an escape_type enumeration.
16990 * tree-flow-inline.h (is_call_clobbered): Global var does not
16991 imply call clobbered.
16992 (mark_call_clobbered): Take a reason for marking this. Remove
16993 marking of globalness, and cache invalidation.
16994 (clear_call_clobbered): Remove cache invalidation code.
16995 * tree-dfa.c (dump_variable): If details is on, dump the reason
16997 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16999 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17000 (struct var_ann_d): Ditto.
17001 (enum escape_type): New.
17002 (mark_call_clobbered): Adjust prototype.
17003 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17004 are never call clobbered.
17005 Record reasons for escaping.
17006 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17007 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17008 (ssa_ro_call_cache_valid): Ditto.
17009 (clobbered_v_may_defs): Ditto.
17010 (clobbered_vuses): Ditto.
17011 (ro_call_vuses): Ditto.
17012 (clobber_stats): New.
17013 (init_ssa_operands): Zero out clobber stats.
17014 (fini_ssa_operands): Print out clobber stats.
17015 (get_call_expr_operands): Pass callee fndecl to
17016 add_call_read_ops).
17017 (add_call_clobber_ops): Remove use of cache.
17018 Add use of PURE_CONST information.
17019 (add_call_read_ops): Remove use of cache.
17020 Add use of static not_read information.
17022 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17024 Introduce TLS descriptors for i386 and x86_64.
17025 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17026 (TARGET_ANY_GNU_TLS): New macro.
17027 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17028 (struct machine_function): Add tls_descriptor_call_expanded_p.
17029 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17030 (ix86_current_function_calls_tls_descriptor): Likewise.
17031 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17032 (override_options): Introduce gnu2 tls dialect.
17033 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17035 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17037 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17038 (ix86_init_machine_status): Initialize new field.
17039 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17040 (ix86_tls_module_base): New.
17041 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17042 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17043 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17044 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17045 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17046 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17047 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17048 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17049 * config/i386/predicates.md (tls_modbase_operand): New.
17050 (tp_or_register_operand): New.
17052 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17054 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17055 (look_for_address_of): Ditto.
17056 (ipa_init): Walk the function decls.
17057 (static_execute): Don't set readonly on FUNCTION_DECL's.
17059 2006-01-18 Roger Sayle <roger@eyesopen.com>
17061 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17062 for shifts where the source and destination registers are different.
17064 2006-01-18 Paul Brook <paul@codesourcery.com>
17066 Merge from csl-arm-branch.
17067 2005-03-14 Julian Brown <julian@codesourcery.com>
17068 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17069 (aeabi_llsl): Likewise.
17070 (ashrdi3): Likewise.
17071 (aeabi_lasr): Likewise.
17072 (lshrdi3): Likewise.
17073 (aeabi_llsr): Likewise.
17074 2005-03-10 Julian Brown <julian@codesourcery.com>
17075 * config.gcc: Disable shared libgcc for SymbianOS.
17076 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17078 2006-01-18 DJ Delorie <dj@redhat.com>
17080 * c-pragma.c (handle_pragma_diagnostic): New.
17081 (init_pragma): Register it.
17082 * doc/extend.texi: Document it.
17084 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17085 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17086 (diagnostic_context): Add classify_diagnostic[].
17087 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17088 as errors if they're overridden to DK_WARNING.
17089 (diagnostic_initialize): Initialize classify_diagnostic[].
17090 (diagnostic_set_kind_override): New.
17091 (diagnostic_report_diagnostic): Check for kind changes.
17092 * opts.c (common_handle_option): Take lang_mask. Update callers.
17093 Handle OPT_Werror_.
17094 * common.opt (Werror=): New.
17095 * doc/invoke.texi: Document -Werror=*
17097 2006-01-18 Jeff Law <law@redhat.com>
17099 * tree-vrp.c (test_for_singularity): Correct test for new
17100 min limit. Use operand_equal_p rather than pointer equality
17101 for testing if new min/max values are equal.
17103 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17104 using range information until after propagation and folding.
17106 2006-01-18 Richard Henderson <rth@redhat.com>
17107 Aldy Hernandez <aldyh@redhat.com>
17108 Jakub Jelinek <jakub@redhat.com>
17109 Diego Novillo <dnovillo@redhat.com>
17111 * omp-low.c: New file.
17112 * c-omp.c: New file.
17114 2006-01-18 Richard Henderson <rth@redhat.com>
17115 Jakub Jelinek <jakub@redhat.com>
17116 Diego Novillo <dnovillo@redhat.com>
17118 * doc/invoke.texi: Document -fopenmp.
17119 * tree-dump.h (debug_function): Declare.
17120 * hooks.c (hook_bool_tree_bool_false): New function.
17121 (hook_tree_tree_null): Remove.
17122 (hook_tree_tree_tree_null): New.
17123 * hooks.h: Update to match.
17124 * tree-pretty-print.c (debug_tree_chain): New.
17125 (print_generic_expr): Handle TDF_CHAIN.
17126 (dump_generic_node): Handle BLOCK.
17127 Do not abort with incomplete SWITCH_EXPRs.
17128 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17129 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17130 print space after directive name.
17131 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17132 Handle OMP_MASTER and OMP_ORDERED.
17133 Handle printing of OMP_BODY just in one place, goto
17134 dump_omp_body in the rest of OMP_* nodes that have
17136 Don't handle clause nodes here. Update omp statements to
17137 use dump_omp_clauses.
17138 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17139 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17140 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17141 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17142 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17143 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17144 Adjust output for GOMP_PARALLEL.
17145 (dump_omp_clauses): New.
17146 (print_declaration): Dump DECL_VALUE_EXPR.
17147 (op_symbol_1): Split out of op_symbol.
17148 (dumping_stmts): Remove. Update all users.
17149 * cgraph.c (cgraph_analyze_queue): New.
17150 (cgraph_add_new_function): New.
17151 * cgraph.h (cgraph_analyze_queue): Declare.
17152 (cgraph_add_new_function): Declare.
17153 (cgraph_lower_function): Remove.
17154 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17155 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17156 and TYPE_P nodes in its default clause.
17157 (empty_body_p): New.
17158 (tree_range_check_failed): New.
17159 (build5_stat): New.
17160 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17161 OMP_CLAUSE_REDUCTION_MERGE,
17162 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17163 OMP_CLAUSE_PRIVATE_DEBUG,
17164 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17165 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17166 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17167 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17168 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17169 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17170 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17171 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17172 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17173 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17174 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17175 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17176 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17177 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17178 (TREE_RANGE_CHECK): New.
17179 (empty_body_p): Declare.
17180 (enum omp_clause_default_kind): New.
17181 (build_string_literal): Declare.
17182 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17183 (build5_stat, build5): Declare.
17184 * tree-pass.h (TDF_CHAIN): Define.
17185 * tree-pass.h (PROP_gimple_lomp): Define.
17186 (pass_lower_omp): Declare.
17187 * diagnostic.h (debug_tree_chain): Declare.
17188 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17190 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17191 * builtins.c (build_string_literal): Make extern.
17192 * gcc.c (include_spec_function): New.
17193 (static_spec_functions): Add it.
17194 (main): Move load of libgomp.spec ...
17195 (LINK_COMMAND_SPEC): ... here.
17196 (link_gomp_spec): New.
17197 (static_specs): Include it.
17198 (LINK_COMMAND_SPEC): Add link_gomp.
17199 (GOMP_SELF_SPECS): New.
17200 (driver_self_specs): Include it.
17201 (switch_matches): Don't mark inline.
17202 (main): Load libgomp.spec.
17203 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17204 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17205 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17206 * tree-gimple.h (enum omp_parallel): Declare.
17207 (determine_parallel_type): Declare.
17208 (omp_firstprivatize_variable): Declare.
17209 (omp_reduction_init): Declare.
17210 (diagnose_omp_structured_block_errors): Declare.
17211 (struct walk_stmt_info): Add want_return_expr.
17212 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17213 (find_omp_clause): Declare.
17214 (insert_field_into_struct): Declare.
17215 (struct walk_stmt_info): Move from tree-nested.c
17216 (walk_stmts): Declare.
17217 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17219 * cgraphunit.c (cgraph_lower_function): Make static.
17220 (cgraph_finalize_pending_functions): New.
17221 (cgraph_finalize_function): Call it.
17222 (cgraph_finalize_compilation_unit): Likewise.
17223 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17224 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17225 (BT_FN_UINT_UINT): New.
17226 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17227 DEF_FUNCTION_TYPE_VAR_4): Document.
17228 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17229 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17230 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17231 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17232 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17233 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17234 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17235 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17236 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17237 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17238 into separate files.
17239 (DEF_GOMP_BUILTIN): New.
17240 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17241 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17242 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17243 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17244 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17245 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17246 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17247 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17248 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17249 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17250 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17251 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17252 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17253 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17254 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17255 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17256 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17257 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17258 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17259 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17260 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17261 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17262 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17263 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17264 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17265 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17266 * sync-builtins.def: New file, moved from builtins.def.
17267 * omp-builtins.def: New file, moved from builtins.def.
17268 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17269 * gimple-low.c (lower_function_body): Clear data.
17270 (lower_stmt): Do not handle COMPOUND_EXPR.
17271 Remove call to print_node_brief.
17272 * c-tree.h (c_finish_omp_clauses): New prototype.
17273 (C_DECL_THREADPRIVATE_P): Define.
17274 (lookup_name_no_remap, c_omp_remap_private): Remove
17275 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17276 (check_for_loop_decls): Update decl.
17277 (lookup_name_no_remap, c_omp_remap_private): Declare.
17278 (build_indirect_ref, build_modify_expr, pushdecl,
17279 pushdecl_top_level): Move to c-common.h.
17280 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17281 before the switch, but just in the 2 places that need it.
17282 * c-decl.c (diagnose_mismatched_decls): Do not check for
17283 mismatched thread-local attributes when OLDDECL is marked
17284 threadprivate and NEWDECL has no thread-local attributes.
17285 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17286 (c_gimple_diagnostics_recursively): Rename from
17287 c_warn_unused_result_recursively. Invoke
17288 diagnose_omp_structured_block_errors.
17289 (check_for_loop_decls): Return a singular decl found.
17290 * langhooks.c (lhd_omp_predetermined_sharing): Return
17291 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17292 (lhd_omp_firstprivatize_type_sizes): New.
17293 (lhd_omp_assignment): New.
17294 (lhd_omp_predetermined_sharing): New.
17295 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17296 (struct lang_hooks_for_types): Add
17297 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17298 omp_predetermined_sharing, omp_disregard_value_expr,
17299 omp_private_debug_clause, omp_clause_default_ctor,
17300 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17301 (c_finish_omp_clauses): New.
17302 (c_finish_bc_stmt): Diagnose break within omp for.
17303 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17304 (build_unary_op): Return error_mark after reporting
17306 (build_modify_expr): Likewise.
17307 * gimplify.c: Include optabs.h and pointer-set.h.
17308 (enum gimplify_omp_var_data): Declare.
17309 (struct gimplify_omp_ctx): Declare.
17310 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17312 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17313 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17314 (splay_tree_compare_decl_uid): New.
17315 (new_omp_context): New.
17316 (delete_omp_context): New.
17317 (gimple_add_tmp_var): Call omp_add_variable.
17318 (gimplify_bind_expr): Likewise.
17319 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17320 true, disregard DECL_VALUE_EXPR on the decl if any.
17321 (gimplify_expr_in_ctx): New.
17322 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17323 omp_add_variable, omp_notice_variable, omp_is_private
17324 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17325 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17326 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17327 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17328 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17329 gimplify_omp_atomic): New.
17330 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17331 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17332 OMP_CRITICAL and OMP_ATOMIC.
17333 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17334 * c-pragma.h (enum pragma_kind): Add
17335 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17336 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17337 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17338 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17339 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17340 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17341 PRAGMA_OMP_THREADPRIVATE.
17342 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17343 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17344 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17345 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17346 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17347 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17348 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17349 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17350 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17351 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17352 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17353 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17354 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17356 (struct nesting_info): Add field_map,
17357 suppress_expansion, debug_var_chain.
17358 (create_nesting_tree): Initialize them.
17359 (lookup_field_for_decl): Use field_map.
17360 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17361 (convert_local_omp_clauses): New.
17362 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17363 (walk_body): Split out of walk_function.
17364 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17365 (convert_nonlocal_reference): Handle omp statements.
17366 (convert_local_reference): Likewise.
17367 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17368 (unnest_nesting_tree): New.
17369 (lower_nested_functions): Call it.
17370 (insert_field_into_struct): Make extern.
17371 (struct walk_stmt_info): Move to tree-gimple.h.
17372 (walk_stmts): Make extern.
17373 * omp-builtins.def: New file.
17374 * tree-iterator.c (expr_only): Clarify comment.
17375 * c-common.h (pushdecl_top_level, pushdecl,
17376 build_modify_expr, build_indirect_ref,
17377 c_finish_omp_master, c_finish_omp_critical,
17378 c_finish_omp_ordered, c_finish_omp_barrier,
17379 c_finish_omp_atomic, c_finish_omp_flush,
17380 c_finish_omp_for, c_split_parallel_clauses,
17381 omp_clause_default_kind, c_omp_sharing_predetermined,
17382 c_omp_remap_decl): Declare.
17383 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17384 (OBJS-common): Add omp-low.o.
17385 (c-omp.o, omp-low.o): Add.
17386 (gimplify.o): Add dependency on $(OPTABS_H).
17387 (GTFILES): Add omp-low.c.
17388 (gt-stringpool.h): Add.
17389 * tree-cfg.c (set_bb_for_stmt): Do not update the
17390 block-to-labels map if we are currently expanding to RTL.
17391 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17393 Handle IDENTIFIER_NODE.
17394 (tree_verify_flow_info): Do not ICE when emitting error
17395 messages about invalid labels.
17396 (dump_function_to_file): Reset CFUN before emitting the body
17398 (debug_function): New.
17399 * passes.c (init_optimization_passes): Schedule
17401 * langhooks-def.h (lhd_omp_predetermined_sharing,
17402 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17404 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17405 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17406 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17407 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17408 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17409 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17410 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17411 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17412 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17413 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17414 (LANG_HOOK_DECLS): Use them.
17416 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17417 Richard Henderson <rth@redhat.com>
17418 Jakub Jelinek <jakub@redhat.com>
17419 Diego Novillo <dnovillo@redhat.com>
17421 * c-parser.c (pragma_omp_clause): Define.
17422 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17423 (c_parser_compound_statement): Likewise.
17424 (c_parser_statement): Likewise.
17425 (c_parser_pragma): Handle omp pragmas.
17426 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17427 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17428 (c_parser_omp_clause_name, check_no_duplicate_clause,
17429 c_parser_omp_variable_list,
17430 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17431 c_parser_omp_clause_copyprivate,
17432 c_parser_omp_clause_default,
17433 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17434 c_parser_omp_clause_lastprivate,
17435 c_parser_omp_clause_nowait,
17436 c_parser_omp_clause_num_threads,
17437 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17438 c_parser_omp_clause_reduction,
17439 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17440 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17441 c_parser_omp_atomic, c_parser_omp_barrier,
17442 c_parser_omp_critical, c_parser_omp_flush,
17443 c_parser_omp_for_loop, c_parser_omp_for,
17444 c_parser_omp_master, c_parser_omp_ordered,
17445 c_parser_omp_sections_scope, c_parser_omp_sections,
17446 c_parser_omp_parallel, c_parser_omp_single,
17447 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17448 * c-pragma.c (init_pragma): Do omp pragma registration here.
17449 * c.opt (fopenmp): New flag.
17451 2006-01-18 Eric Christopher <echristo@apple.com>
17453 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17454 * config/darwin.h (GOMP_SELF_SPECS): Define.
17456 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17458 * rtl.h: Remove the prototype for reg_alloc.
17460 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17463 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17464 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17465 sjlj and dwarf2 exception handling.
17466 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17467 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17468 * pa/pa.c (function_value): Treat complex and vector types as
17470 (function_arg): Likewise. Only pass scalar floats in the floating
17471 point argument registers.
17472 * pa/t-slibgcc-dwarf-ver: New file.
17473 * pa/t-slibgcc-sjlj-ver: New file.
17474 * pa/t-slibgcc-elf-ver: Delete file.
17476 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17478 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17479 unlikely_test_section_p test.
17481 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17483 * mode-switching.c (optimize_mode_switching): Make it static.
17484 * basic-block.h: Remove the prototype for
17485 optimize_mode_switching.
17487 * modulo-sched.c (sms_schedule): Make it static.
17488 * rtl.h: Remove the prototype for sms_schedule.
17490 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17491 * rtl.h: Remove the prototype for gcse_after_reload_main.
17493 * reg-stack.c (reg_to_stack): Make it static.
17494 * rtl.h: Remove the prototype for reg_to_stack.
17496 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17498 * rtl.h: Remove the prototypes for regrename_optimize and
17499 copyprop_hardreg_forward.
17501 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17503 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17504 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17505 Test against the appropriate null constant for the mode.
17506 If 'fixup_overlap' is true, swap the operands if they overlap.
17507 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17508 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17509 alpha_split_tmode_pair and adjust for above change.
17510 * config/alpha/alpha.md (movtf_internal): Adjust call to
17511 alpha_split_tfmode_pair and rely on it to swap the operands.
17512 (movti_internal): New insn and post-reload splitter.
17513 (movti): New expander.
17515 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17517 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17520 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17522 * rtlanal.c (global_reg_mentioned_p_1,
17523 global_reg_mentioned_p): Remove.
17524 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17526 * flow.c (initialize_uninitialized_subregs): Make it static.
17527 * rtl.h: Remove the prototype for
17528 initialize_uninitialized_subregs.
17530 * function.c (instantiate_virtual_regs): Make it static.
17531 * function.h: Remove the prototype for
17532 instantiate_virtual_regs.
17534 * regmove.c (regmove_optimize, combine_stack_adjustments):
17536 * rtl.h: Remove the prototypes for regmove_optimize and
17537 combine_stack_adjustments.
17539 2006-01-17 Roger Sayle <roger@eyesopen.com>
17541 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17542 (size_cost): Encode costs in bytes so that a reg-reg addition is
17543 equivalent to COSTS_N_INSNS(1).
17544 (override_options): Use the size_cost.branch_cost as the default
17545 ix86_branch_cost when optimizing for size.
17547 2006-01-18 Ben Elliston <bje@au.ibm.com>
17549 * Makefile.in (D32PBIT_FUNCS): New.
17550 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17551 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17552 D64PBIT_FUNCS and D128PBIT_FUNCS.
17553 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17554 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17556 (decnumber_dep): Define.
17557 * doc/libgcc.texi (Decimal float library routines): New node.
17558 * config/dfp-bit.h, config/dfp-bit.c: New files.
17560 2006-01-18 Ben Elliston <bje@au.ibm.com>
17562 * expr.c (emit_move_change_mode): Always adjust addresses, not
17563 just during reload. Copy replacements only during reload.
17564 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17565 emit_move_via_integer.
17567 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17569 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17570 instead of $(srcdir) and ${srcdir}.
17572 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17575 PR middle-end/11135
17576 * arm.h (struct machine_function): Add pic_reg.
17577 * arm.c (arm_pic_register): Make unsigned.
17578 (arm_override_options): Only set arm_pic_register if
17579 TARGET_SINGLE_PIC_BASE.
17580 (use_return_insn): Only test for a pic register if it is fixed.
17581 (arm_compute_save_reg0_reg12_mask): Likewise.
17582 (thumb_compute_save_reg_mask): Likewise.
17583 (legitimate_pic_operand): Factor out some known invariants.
17584 (legitimize_pic_address): If we don't have a fixed pic register,
17585 then set up a pseudo in the function entry sequence. Handle the
17586 pic base being in a pseudo.
17587 (arm_load_pic_register): Handle the pic register being in a pseudo.
17588 (arm_expand_prologue): Only set up the pic register if it is fixed.
17589 (thumb_expand_prologue): Likewise.
17590 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17591 (pic_load_addr_based_insn): Likewise.
17592 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17595 2006-01-18 Ben Elliston <bje@au.ibm.com>
17597 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17598 decimal float modes for all floating point registers.
17600 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17601 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17603 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17606 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17607 even when the pointer is not NULL.
17609 2006-01-16 Ian Lance Taylor <ian@airs.com>
17611 * common.opt (ftoplevel-reorder): New option.
17612 * cgraph.c (cgraph_asm_nodes): New global variable.
17613 (cgraph_asm_last_node): New static variable.
17614 (cgraph_order): New global variable.
17615 (cgraph_create_node): Set new order field.
17616 (cgraph_varpool_node): Likewise.
17617 (decide_is_variable_needed): Return true if not
17618 flag_toplevel_reorder.
17619 (cgraph_add_asm_node): New function.
17620 * cgraph.h (struct cgraph_node): Add order field.
17621 (struct cgraph_varpool_node): Add order field.
17622 (struct cgraph_asm_node): Define.
17623 (cgraph_asm_nodes, cgraph_order): Declare.
17624 (cgraph_add_asm_node): Declare.
17625 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17627 (cgraph_varpool_assemble_pending_decls): Call it.
17628 (cgraph_output_pending_asms): New static function.
17629 (cgraph_finalize_compilation_unit): Call it.
17630 (struct cgraph_order_sort): Define.
17631 (cgraph_output_in_order): New static function.
17632 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17633 !flag_toplevel_reorder case.
17634 * c-parser.c: Include "cgraph.h".
17635 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17637 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17638 than -fno-unit-at-a-time.
17639 * doc/invoke.texi (Option Summary): Mention
17640 -fno-toplevel-reorder.
17641 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17642 -funit-at-a-time documentation.
17644 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17645 Kazu Hirata <kazu@codesourcery.com>
17647 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17649 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17651 * Makefile.in (FUNCTION_H): New. Use it instead of
17652 function.h throughout the file.
17653 * function.h: Include tree.h.
17655 2006-01-17 Ben Elliston <bje@au.ibm.com>
17657 * recog.c: Separate some functions with whitespace.
17659 2006-01-16 Richard Henderson <rth@redhat.com>
17661 Merge from gomp branch:
17662 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17663 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17664 and rename from struct inline_data. Rename callee* to dst*;
17665 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17666 transform_new_cfg, transform_return_to_modify, and
17667 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17669 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17670 (copy_decl_for_dup): Remove.
17671 * tree-inline.c (struct inline_data): Move to header.
17672 (insert_decl_map): Export.
17673 (remap_decl): Update for member name changes. Use copy_decl hook.
17674 Allow for replacement to be a non-decl. Remove dead code.
17675 (remap_type_1): Check for existing mapping.
17676 (remap_type): Export.
17677 (remap_decls): Update for member name changes.
17678 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17679 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17680 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17681 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17682 (tree_function_versioning, build_duplicate_type): Likewise.
17683 (copy_body_r): Likewise. Export.
17684 (copy_decl_for_dup): Split into ...
17685 (copy_decl_for_dup_finish, copy_decl_to_var,
17686 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17687 (replace_ref_tree, inlining_p): Remove.
17689 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17691 * ifcvt.c (if_convert): Make it static.
17692 * rtl.h: Remove the prototype for if_convert.
17694 * local-alloc.c (local_alloc): Make it static.
17695 * rtl.h: Remove the prototype for local_alloc.
17697 * loop.c (loop_optimize): Make it static.
17698 * cfgloop.h: Remove the prototype for loop_optimize.
17701 2006-01-16 DJ Delorie <dj@redhat.com>
17703 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17706 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17708 * pa.md: Disparage copies between general and floating-point registers
17709 in 32-bit move patterns.
17711 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17714 * Makefile.in (check-%): Depend on site.exp instead of
17715 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17718 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17720 * global.c (global_alloc): Make it static.
17721 * rtl.h: Remove the prototype for global_alloc.
17723 2006-01-16 Richard Guenther <rguenther@suse.de>
17725 * tree-ssa-alias.c (struct used_part): Add write_only field.
17726 (get_or_create_used_part_for): Initialize it to true.
17727 (create_overlap_variables_for): Don't create structure variables
17728 for structures that only are written to.
17729 (find_used_portions): Handle MODIFY_EXPR to track whether a
17730 structure is only written to.
17732 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17734 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17736 * basic-block.h: Remove the prototype for
17737 partition_hot_cold_basic_blocks.
17739 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17741 * cppspec.c (lang_specific_spec_functions): Remove.
17742 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17743 * gcc.h (lang_specific_spec_functions): Remove.
17744 * gccspec.c (lang_specific_spec_functions): Remove.
17746 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17748 * combine.c (record_value_for_reg): Invalidate registers
17750 (record_dead_and_set_regs_1): Likewise, by passing them to
17751 record_value_for_reg.
17752 (record_dead_and_set_regs): Invalidate stores made by a
17753 call. We do not combine across a call, but we still
17754 relied on equivalences.
17756 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17758 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17759 vrp_int_const_binop returning non-constant nodes.
17761 2006-01-16 Paul Brook <paul@codesourcery.com>
17763 * config/m68k/m68k.c (output_move_const_into_data_reg):
17764 Output correct mnemonic for mvz and mvs.
17766 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17768 * rtl-factoring.c: Add sequence abstraction algorithm.
17769 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17770 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17772 (block_has_preserve_label): New function.
17773 * common.opt: Register new pass.
17774 * Makefile.in: Ditto.
17776 * timevar.def: Ditto.
17777 * tree-pass.h: Ditto.
17778 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17779 * rtl.h (make_jump_insn_raw): Add forward decl.
17780 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17782 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17783 Roger Sayle <roger@eyesopen.com>
17785 * fold-const.c (fold_minmax): New static function.
17786 (fold_binary) <MIN_EXPR>: Call it.
17787 <MAX_EXPR>: Likewise.
17788 * stor-layout.c (place_field): Use DECL_SIZE consistently
17789 in the computation of the new record size.
17791 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17793 * cse.c (cse_condition_code_reg): Make it static.
17794 * rtl.h: Remove the prototype for cse_condition_code_reg.
17796 * combine.c (combine_instructions): Make it static.
17797 * rtl.h: Remove the prototype for combine_instructions.
17799 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17802 * tree.c (get_file_function_name_long): Concatenate the first global
17803 object name with a string derived from the input filename of the object
17806 2006-01-16 Ben Elliston <bje@au.ibm.com>
17808 * config/i386/winnt-stubs.c: Update FSF address.
17809 * config/xtensa/ieee754-df.S: Ditto.
17810 * config/xtensa/ieee754-sf.S: Ditto.
17812 2006-01-14 Ian Lance Taylor <ian@airs.com>
17814 * ifcvt.c (noce_init_if_info): New static function, broken out of
17815 noce_process_if_block.
17816 (noce_process_if_block): Call noce_init_if_info.
17817 (check_cond_move_block): New static function.
17818 (cond_move_process_if_block): New static function.
17819 (process_if_block): Call cond_move_process_if_block.
17821 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17823 * cselib.c (hash_table): Rename to cselib_hash_table.
17824 (cselib_clear_table, discard_useless_values,
17825 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17826 cselib_init, cselib_finish): Adjust uses of hash_table.
17828 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17830 PR tree-optimization/25485
17831 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17832 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17833 is known to be false and true, respectively.
17835 2006-01-14 Richard Guenther <rguenther@suse.de>
17837 PR tree-optimization/22548
17838 PR tree-optimization/22555
17839 PR tree-optimization/22501
17840 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17841 * params.def (salias-max-array-elements): New parameter.
17842 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17843 * doc/invoke.texi (salias-max-array-elements): Document.
17844 * tree-flow-inline.h (var_can_have_subvars): We also handle
17846 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17848 * tree-ssa-structalias.c (params.h): Include.
17849 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17850 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17851 (get_constraint_for): For ADDR_EXPR operating on something
17852 containing an ARRAY_REF, add all subvars to the solution.
17853 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17854 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17855 for creating MUST_DEFs.
17856 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17858 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17860 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17862 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17863 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17864 number_of_iterations_le): New functions.
17865 (number_of_iterations_special): Removed.
17866 (number_of_iterations_exit): Do not use number_of_iterations_special.
17867 * tree.c (unsigned_type_for): Always return integer type.
17869 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17870 Richard Guenther <rguenther@suse.de>
17872 PR rtl-optimization/24257
17873 * gcse.c (find_moveable_store): Only consider a store movable
17874 when the SET_SRC of the insn can be assigned to a register.
17876 2006-01-14 Ian Lance Taylor <ian@airs.com>
17878 * tree.c (tree_not_class_check_failed): New function.
17879 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17880 (tree_not_class_check_failed): Declare.
17882 2006-01-13 Ian Lance Taylor <ian@airs.com>
17884 * reload1.c (do_output_reload): Add assertion rejecting a
17887 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17889 * combine.c (struct reg_stat): Add new fields truncation_label and
17891 (record_value_for_reg): Reset truncated_to_mode.
17892 (record_truncated_value): New function.
17893 (check_promoted_subreg): Call it. Rename to check_conversions.
17894 (combine_instructions): Rename check_promoted_subreg to
17896 (reg_truncated_to_mode): New function.
17897 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17898 (gen_lowpart_or_truncate): New function.
17899 (force_to_mode): Use it instead of gen_lowpart.
17901 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17903 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17904 VAR is a tag, not its type tag.
17906 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17908 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17909 alternatives to match style of other entries.
17910 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17912 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17914 PR tree-optimization/25771
17915 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17918 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17921 * tree-inline.c (declare_return_variable): If the return variable
17922 was marked as a non gimple complex, set the return slot variable
17923 to be a non gimple comple variable.
17925 2006-01-13 Richard Guenther <rguenther@suse.de>
17927 * builtins.c (expand_builtin_sincos): New function.
17928 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17930 (expand_builtin): Expand sincos using expand_builtin_sincos.
17932 2006-01-12 DJ Delorie <dj@redhat.com>
17934 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17935 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17936 so that constant shifts can be split.
17937 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17938 (m32c_valid_pointer_mode): Make static.
17939 (shift_gen_func_for): New.
17940 (m32c_prepare_shift): Use it. Split large const shifts into
17942 * config/m32c/predicates.md (shiftcount_operand): Allow more
17944 (longshiftcount_operand): New.
17945 * doc/md.texi (Machine Constraints): Document In6.
17947 2006-01-13 Ben Elliston <bje@au.ibm.com>
17949 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17950 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17953 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17955 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17956 to try to avoid clobbering pieces of structures when we know
17957 something about the whole structure.
17958 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17960 2006-01-13 Ben Elliston <bje@au.ibm.com>
17962 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17963 return in memory, as this is no limitation is no longer present.
17965 2006-01-12 DJ Delorie <dj@redhat.com>
17967 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17968 mova with fb, and for fb+0 -> An.
17970 * config/m32c/mov.md (peephole2): Fix enabling logic.
17972 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17973 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17974 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17975 FINI_ARRAY_SECTION_ASM_OP): Define.
17977 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17979 (m32c_legitimize_reload_address): New logic to reload FB to An.
17980 (m32c_output_reg_push): Add newline.
17981 (m32c_output_reg_pop): Likewise.
17983 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17985 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17987 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17989 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17991 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17993 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17996 2006-01-11 Ben Elliston <bje@au.ibm.com>
17998 * rtlanal.c (find_reg_note): Assert insn is not null.
18000 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18002 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18005 2006-01-11 Jeff Law <law@redhat.com>
18007 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18009 (mark_threaded_blocks, register_jump_thread): New functions.
18010 (thread_through_all_blocks): Remove unwanted argument. No
18011 longer rely on e->aux to communicate thread target info.
18012 Call mark_threaded_blocks. Release the threaded_blocks
18013 bitmap and threaded_edges vector when complete.
18014 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18015 (threaded_blocks): Remove.
18016 (tree_ssa_dominator_optimize): Remove initialization and
18017 finalization of threaded_blocks. Simplify call to
18018 thread_through_all_blocks.
18019 (thread_across_edge): Call register_jump_thread rather than
18020 storing thread information into e->aux.
18021 (free_all_edge_infos): Simplify now that e->aux is no longer
18022 used to communicate with thread_through_all_blocks.
18023 * tree-flow.h (thread_through_all_blocks): Update prototype.
18024 (register_jump_thread): Prototype.
18026 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18028 * df-core.c (df_compact_blocks, df_bb_replace): Use
18029 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18031 2006-01-11 Richard Guenther <rguenther@suse.de>
18033 PR tree-optimization/25734
18034 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18035 stop propagation after successful propagation to the LHS.
18037 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18039 * basic-block.h (control_flow_graph): Change the type of
18040 x_basic_block_info to VEC(basic_block,gc) *.
18041 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18043 (SET_BASIC_BLOCK): New.
18044 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18045 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18046 * cfgbuild.c (find_basic_blocks): Likewise.
18047 * cfglayout.c (fixup_reorder_chain): Likewise.
18048 * cfgrtl.c (create_basic_block_structure,
18049 rtl_create_basic_block): Likewise.
18050 * ifcvt.c (find_if_case_1): Likewise.
18051 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18054 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18056 * Makefile.in: Removed rotted odf.c entry.
18058 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18061 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18062 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18063 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18064 output pattern modifier, not %e.
18065 * config/cris/cris.c (cris_op_str): Update comment about pattern
18067 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18068 before falling through into...
18069 <case 'E'>: Redefined from old 'e' case.
18071 2006-01-11 Jan Hubicka <jh@suse.cz>
18074 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18076 2006-01-11 Jan Hubicka <jh@suse.cz>
18078 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18079 * i386.c (x86_decompose_lea): Kill.
18080 (ix86_rtx_costs): Kill.
18082 2006-01-11 Jan Hubicka <jh@suse.cz>
18084 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18085 * cgraph.h (cgraph_node): Add inline_decl.
18086 (cgraph_insert_node_to_hashtable): Declare.
18087 (save_inline_function_body): Declare.
18088 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18090 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18091 (cgraph_function_versioning): Update call of tree_function_versioning.
18092 (save_inline_function_body): New function.
18093 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18094 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18095 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18096 (cgraph_default_inline_p): Likewise.
18097 (cgraph_decide_inlining_incrementally): Likewise.
18098 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18099 (copy_bb): Kill saving; do updating of clones.
18100 (copy_cfg_body): Kill saving.
18101 (initialize_inlined-parameters): Likewise.
18102 (expand_call_inline): Likewise.
18104 (tree_function_versioning): New parameter "update_clones".
18105 (inlining_p): Kill saving.
18106 * tree-inline.h (tree_function_versioning): Update prototype.
18107 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18110 2006-01-11 Ian Lance Taylor <ian@airs.com>
18112 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18113 Allow undoing set of machine mode.
18114 (do_SUBST): Use enums instead of is_int.
18115 (do_SUBST_MODE): New function.
18116 (SUBST_MODE): New macro.
18117 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18118 reg and trying to replace reg_regno_rtx with a new register.
18119 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18120 (simplify_set): Use SUBST_MODE.
18121 (distribute_notes): Remove code that tried to update reg notes
18122 for regno_reg_rtx changes.
18124 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18126 PR tree-optimization/23109
18127 PR tree-optimization/23948
18128 PR tree-optimization/24123
18130 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18131 * tree-cfg.c (single_noncomplex_succ): New.
18132 * tree-flow.h (single_noncomplex_succ): Declare it.
18133 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18134 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18135 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18136 insert_bb, register_division_in, insert_reciprocals,
18137 replace_reciprocal, free_bb): New.
18138 (execute_cse_reciprocals_1): Rewritten.
18139 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18140 Do not commit any edge insertion. Always compute dominators and
18141 create the allocation pool.
18142 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18143 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18144 * targhooks.c (default_min_divistions_for_recip_mul): New.
18145 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18146 * passes.c (init_optimization_passes): Run recip after tree loop
18148 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18150 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18151 Kenneth Zadeck <zadeck@naturalbridge.com>
18153 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18154 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18155 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18156 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18157 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18158 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18159 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18160 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18161 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18162 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18163 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18164 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18165 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18166 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18167 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18168 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18169 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18170 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18171 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18172 DF_SCAN_POST_ALLOC): New macros.
18173 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18174 df_free_bb_function, df_local_compute_function, df_init_function,
18175 df_dataflow_function, df_confluence_function_0,
18176 df_confluence_function_n, df_transfer_function,
18177 df_finalizer_function, df_free_function, df_dump_problem_function,
18178 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18179 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18180 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18181 df_urec_bb_info, ) New types.
18182 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18184 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18185 df_analyze_simple_change_some_blocks,
18186 df_analyze_simple_change_one_block, df_compact_blocks,
18187 df_bb_replace, df_bb_regno_last_use_find,
18188 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18189 df_insn_regno_def_p, df_find_def, df_find_use,
18190 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18191 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18192 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18193 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18194 debug_df_chain, df_get_dependent_problem, df_chain_create,
18195 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18196 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18197 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18198 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18199 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18200 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18201 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18202 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18203 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18204 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18205 df_reorganize_refs, df_set_state, df_hard_reg_init,
18206 df_read_modify_subreg_p) New public functions.
18207 * df-core.c: The core dataflow solver and glue routines for rtl
18209 (df_init, df_add_problem, df_set_blocks, df_finish,
18210 df_hybrid_search_forward, df_hybrid_search_backward,
18211 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18212 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18213 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18214 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18215 df_reg_defined, df_find_use, df_reg_used, df_dump,
18216 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18217 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18218 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18219 debug_df_useno, reset_df_after_reload): New functions.
18220 * df-scan.c: The scanning fuctions, once in df.c, completely
18221 rewritten so that they now fully model the functionality of
18222 register usage at the backend.
18223 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18224 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18225 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18226 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18227 df_get_artificial_defs, df_get_artificial_uses,
18228 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18229 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18230 df_refs_delete, df_reorganize_refs, df_set_state,
18231 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18232 df_def_record_1, df_defs_record, df_uses_record,
18233 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18234 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18235 df_record_exit_block_uses, df_hard_reg_init): New functions.
18237 * df-problems.c: Seven concrete dataflow problems that use the
18238 scanning in df-scan.c and are solved by the engine in df-core.c.
18239 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18240 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18241 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18242 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18243 df_ru_free_bb_info, df_ru_alloc,
18244 df_ru_bb_local_compute_process_def,
18245 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18246 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18247 df_ru_transfer_function, df_ru_free, df_ru_dump,
18248 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18249 df_rd_free_bb_info, df_rd_alloc,
18250 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18251 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18252 df_rd_transfer_function, df_rd_free, df_rd_dump,
18253 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18254 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18255 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18256 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18257 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18258 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18259 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18260 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18261 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18262 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18263 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18264 df_urec_mark_reg_use_for_earlyclobber,
18265 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18266 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18267 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18268 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18269 df_chain_create_bb_process_use, df_chain_create_bb,
18270 df_chain_finalize, df_chain_free, df_chains_dump,
18271 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18272 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18273 df_reg_lifetime): New functions.
18274 * df.c: Deleted file.
18275 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18276 consistent with new df api.
18277 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18278 rest_of_handle_sms): Ditto.
18279 * web.c (unionfind_union, union_defs, entry_register, web_main):
18281 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18282 invariant_expr_equal_p, find_defs, check_dependencies,
18283 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18284 free_inv_motion_data, move_loop_invariants): Ditto.
18285 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18286 Update dependencies.
18287 (odf.c): Added defective entry that was deleted later in day.
18288 * sched-deps.c (sched_analyze_1): Ditto.
18290 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18292 * tree-ssa-operands.c (get_expr_operands): Record addressable
18293 variables directly. Do not call add_stmt_operands for CONST_DECLs
18295 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18296 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18298 2006-01-11 Ben Elliston <bje@au.ibm.com>
18300 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18301 function returns true in the positive case.
18303 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18306 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18307 for SI, DI, SF and DF modes. Add alternatives to copy between
18308 general and floating point registers to the 32-bit patterns.
18309 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18310 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18311 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18312 generating 64-bit code.
18313 * config/pa/pa.c (output_move_double): Handle copies between general
18314 and floating registers.
18316 2006-01-10 Stuart Hastings <stuart@apple.com>
18318 * config/i386/i386.md (set_got): Update.
18319 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18320 (builtin_setjmp_receiver): Mach-O support.
18321 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18322 (GOT_SYMBOL_NAME): Define.
18323 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18324 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18325 * config/i386/i386.c (override_options): Revise for Darwin.
18326 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18327 support. (darwin_x86_file_end): New. (output_set_got): Add label
18328 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18329 * config/i386/i386-protos.h (output_set_got): Likewise.
18330 * config/darwin.c (machopic_legitimize_pic_address): Update
18333 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18335 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18336 when MODE isn't BLKmode.
18338 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18340 PR rtl-optimization/25367
18341 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18343 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18346 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18347 for a negative bound.
18349 2006-01-10 Richard Guenther <rguenther@suse.de>
18351 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18352 Never override with anything constraint.
18354 2006-01-10 Jan Beulich <jbeulich@novell.com>
18356 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18357 256 bits when optimize_size.
18359 2006-01-10 Jan Beulich <jbeulich@novell.com>
18361 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18363 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18364 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18367 2006-01-10 Ben Elliston <bje@au.ibm.com>
18369 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18371 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18372 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18373 (USE_FP_FOR_ARG): Reject decimal float modes.
18374 (function_arg_advance): Likewise.
18375 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18376 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18377 point types in AltiVec vectors.
18378 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18379 (rs6000_libcall_value): Likewise.
18381 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18383 * config/xtensa/ieee754-df.S: New file.
18384 * config/xtensa/ieee754-sf.S: New file.
18385 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18386 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18387 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18389 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18391 * config/sh/predicates.md (binary_float_operator,
18392 binary_logical_operator, commutative_float_operator,
18393 equality_comparison_operator, greater_comparison_operator,
18394 less_comparison_operator, logical_operator,
18395 noncommutative_float_operator, shift_operator,
18396 symbol_ref_operand, unary_float_operator): Remove redundant
18399 2006-01-09 Jeff Law <law@redhat.com>
18401 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18402 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18403 now unused arguments. Callers updated.
18404 (eliminate_redundant_computations): Remove now unused arguments,
18406 (local_fold): Remove, no longer used.
18407 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18409 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18410 (simplify_cond): New function.
18411 (forward_propagate_into_cond): Call simplify_cond.
18413 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18415 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18416 (*vec_extractv2di_1_sse): New.
18418 2006-01-09 Ben Elliston <bje@au.ibm.com>
18420 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18422 2006-01-08 Richard Guenther <rguenther@suse.de>
18424 * tree-ssa-structalias.c (get_constraint_for): Remove
18425 anyoffset argument.
18426 (get_constraint_for_component_ref): Likewise.
18427 (do_deref): Likewise.
18428 (get_constraint_for): Likewise.
18429 (do_structure_copy): Likewise.
18430 (handle_ptr_arith): Likewise.
18431 (find_func_aliases): Likewise. Remove unused need_anyoffset
18434 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18435 Kaz Kojima <kkojima@gcc.gnu.org>
18437 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18438 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18439 (EXTRA_CONSTRAINT_C16): Remove.
18440 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18441 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18442 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18443 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18444 constants of SHmedia. Handle nested constant expressions of
18446 (andcosts): Fix the costs for SHmedia constants.
18447 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18448 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18449 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18450 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18451 (movv4hi_i, movv2si_i): Likewise.
18452 (movsi_const): Adjust the second operand of ior so to match with
18453 the Csu constraint.
18454 (movdi_const, movdi_const_32bit): Likewise.
18455 (movdi_const_16bit+1): Don't sign-extend LOW.
18456 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18458 (*double_shori): Fix the split condition. Use GEN_INT instead
18459 of get_int_mode calls. Mask lower 16-bit of the argument of
18461 (sym2GOTPLT): Remove.
18462 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18464 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18465 instead of EXTRA_CONSTRAINT_C16.
18467 2006-01-07 Ian Lance Taylor <ian@airs.com>
18468 David Edelsohn <edelsohn@gnu.org>
18470 PR rtl-optimization/25662
18471 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18472 for constant operands instead of simplify_gen_binary.
18473 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18474 after trying simplify_binary_operation
18476 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18478 * tree.c (iterative_hash_expr): Hash decls based on UID.
18480 2006-01-06 Eric Christopher <echristo@apple.com>
18482 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18483 (TARGET_UNWIND_EMIT): Fix spelling.
18484 * target.h (gcc_target): Add except_table_label.
18485 * except.c (output_function_exception_table): Use.
18486 * varasm.c (default_emit_except_table_label): New.
18487 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18489 (asm_out): Add here.
18490 * output.h (default_emit_except_table_label): Prototype.
18491 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18492 * config/darwin.c (darwin_emit_except_table_label): Define.
18493 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18495 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18497 PR tree-optimization/18527
18498 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18499 number_of_iterations_special, number_of_iterations_exit):
18500 Move base and step of an iv to a single structure. Add
18501 no_overflow flag, and use it in # of iterations analysis.
18502 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18503 folded_casts argument.
18504 (simple_iv): Pass base and step in a structure. Set no_overflow
18506 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18507 Evaluate expensiveness of computing # of iterations instead of
18508 the final expression.
18509 * tree-scalar-evolution.h (affine_iv): New structure.
18510 (simple_iv): Declaration changed.
18511 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18512 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18513 find_givs_in_stmt): Changed due to simple_iv change.
18515 2006-01-06 Jeff Law <law@redhat.com>
18518 * tree-cfg.c (bsi_replace): Rename final argument from
18519 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18520 change (stmt -> orig_stmt).
18521 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18522 (bsi_remove): Add new argument. Remove EH information
18524 (verify_eh_throw_table_statements): New function.
18525 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18527 * tree-optimize.c (execute_free_cfg_annotations): Verify
18528 the EH throw statement table after removing annotations.
18529 * except.h (verify_eh_throw_table_statements): Prototype.
18530 * tree-flow.h (bsi_remove): Update prototype.
18531 * tree-vrp.c (remove_range_assertions): Add new argument to
18533 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18534 * tree-complex.c (expand_complex_div_wide): Likewise.
18535 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18536 * tree-tailcall.c (eliminate_tailcall): Likewise.
18537 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18538 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18539 * tree-nrv.c (tree_nrv): Likewise.
18540 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18541 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18542 (combine_blocks): Likewise.
18543 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18544 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18545 (cleanup_control_flow): Likewise.
18546 (remove_forwarder_block): Likewise.
18547 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18548 * tree-sra.c (sra_replace): Likewise.
18549 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18550 (forward_propagate_single_use_vars): Likewise.
18551 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18552 * tree-inline.c (expand_call_inline): Likewise.
18553 * tree-vect-transform.c (vect_transform_loop): Likewise.
18554 * tree-outof-ssa.c (rewrite_trees): Likewise.
18555 * tree-cfg.c (make_goto_expr_edges): Likewise.
18556 (cleanup_dead_labels): Likewise.
18557 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18558 (bsi_move_before, bsi_move_after): Likewise.
18559 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18560 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18562 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18565 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18567 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18568 on non gimple variables. Also add checks at the top for decls and
18570 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18572 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18573 and IMAGPART_EXPR for creating MUST_DEFs.
18574 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18575 and NAME_MEMORY_TAG separately from the DECLs.
18577 2006-01-06 Richard Guenther <rguenther@suse.de>
18579 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18580 annotation, if necessary.
18581 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18582 redundant calls to update_stmt.
18583 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18586 2006-01-05 Richard Henderson <rth@redhat.com>
18588 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18590 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18592 * c-typeck.c: Update copyright date.
18594 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18596 * c-typeck.c (build_c_cast): Always warn when casting
18597 from a pointer to an integer of different size, even if
18598 the node was constant.
18600 2006-01-05 Richard Guenther <rguenther@suse.de>
18602 PR tree-optimization/22555
18603 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18604 if one structure field is an array.
18605 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18606 operands even if we found a subvar, but ignore VOPs in this
18608 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18610 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18612 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18614 PR middle-end/24998
18615 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18617 2006-01-05 Richard Guenther <rguenther@suse.de>
18618 Diego Novillo <dnovillo@redhat.com>
18620 * tree-pass.h (TODO_remove_unused_locals): Define.
18621 * gimple-low.c (expand_var_p, remove_useless_vars,
18622 pass_remove_useless_vars): Remove. Update all users.
18623 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18624 (remove_unused_locals): New function.
18625 * tree-flow.h (remove_unused_locals): Declare.
18626 * passes.c (execute_todo): Call remove_unused_locals if
18627 TODO_remove_unused_locals is set.
18628 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18629 * tree-ssa-dce.c (pass_dce): Likewise.
18630 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18632 2006-01-05 Richard Guenther <rguenther@suse.de>
18634 * tree-flow.h (struct fieldoff): Decompose field to
18635 type, size and decl.
18636 * tree-ssa-alias.c (create_sft): Take type as parameter.
18637 (create_overlap_variables_for): Store type, size and decl
18638 in the fieldoff structure.
18639 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18640 of struct fieldoff.
18641 (push_fields_onto_fieldstack): Likewise.
18642 (create_variable_info_for): Likewise. Use offset for the
18643 SFT name if the decl is not available.
18645 2006-01-04 Paul Brook <paul@codesourcery.com>
18647 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18649 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18651 * lambda-code.c (can_put_in_inner_loop): Relax
18653 (can_put_after_inner_loop): New function.
18654 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18655 (perfect_nestify): Change to make copies and modify uses.
18657 2006-01-04 Richard Henderson <rth@redhat.com>
18659 Merge from gomp branch:
18660 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18661 via integer constant.
18662 (pragma_lex): Remove.
18663 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18664 rather than parsing it.
18665 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18666 handle_pragma_extern_prefix): Add %< %> quotes.
18667 (registered_pragmas): New.
18668 (c_register_pragma_1): New.
18669 (c_register_pragma): Use it.
18670 (c_register_pragma_with_expansion): Likewise.
18671 (c_invoke_pragma_handler): New.
18672 (init_pragma): Use cpp_register_deferred_pragma directly for
18674 * c-pragma.h (enum pragma_kind): New.
18675 (pragma_handler): New.
18676 (c_invoke_pragma_handler): Declare.
18677 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18679 * c-common.h (c_common_pch_pragma): Update decl.
18680 * Makefile.in (c-parser.o): Update dependencies.
18681 (GTFILES): Add c-pragma.h.
18682 * c-parser.c (struct c_token): Add pragma_kind.
18683 (struct c_parser): Add in_pragma.
18684 (c_lex_one_token): Always initialize keyword and pragma_kind.
18685 Extract data for CPP_PRAGMA.
18686 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18687 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18688 Don't allow CPP_PRAGMA_EOL if in_pragma.
18689 (c_parser_consume_pragma): New.
18690 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18691 (c_parser_skip_to_end_of_parameter): Likewise.
18692 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18693 (c_parser_skip_to_pragma_eol): New.
18694 (c_parser_external_declaration): Handle CPP_PRAGMA.
18695 (c_parser_compound_statement_nostart): Likewise.
18696 (c_parser_statement_after_labels): Likewise.
18697 (c_parser_pragma): New.
18698 (pragma_lex): Likewise.
18699 (c_parser_pragma_pch_preprocess): New.
18700 (c_parser_new): Merge into ...
18701 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18703 2006-01-04 Jeff Law <law@redhat.com>
18706 * tree-cfg.c (bsi_replace): Remove the original statement
18707 from the EH throw statement table.
18709 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18711 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18712 make the prototype extern "C" and add throw ().
18715 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18716 and pos non-negative and pos + len <= 32.
18717 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18718 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18719 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18722 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18723 as well as sizes not multiple of component size.
18726 * function.c (instantiate_expr): New function.
18727 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18728 walk its DECL_VALUE_EXPR with instantiate_expr.
18730 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18731 DW_OP_deref{,_size} if address isn't going to be added.
18733 2006-01-04 Ben Elliston <bje@au.ibm.com>
18735 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18736 * config/fp-bit.c: Likewise.
18738 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18740 * dominance.c: Add comment about why we use DFS numbering
18743 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18744 Richard Henderson <rth@redhat.com>
18746 Merge from gomp-branch:
18747 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18748 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18750 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18752 PR rtl-optimization/25578
18753 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18754 pass a parameter to simplify_shift_const if changing ASHIFTRT
18757 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18759 * builtins.c (get_builtin_sync_mem): New function.
18760 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18761 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18762 Call get_builtin_sync_mem to generate mem rtx.
18764 2006-01-03 Richard Guenther <rguenther@suse.de>
18767 * stmt.c (add_case_node): Make sure to clear overflow flags
18770 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18772 Merge from gomp-branch.
18773 * config/sparc/sync.md: New file.
18774 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18775 UNSPECV_LDSTUB): New constants.
18776 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18777 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18778 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18781 2006-01-03 Roger Sayle <roger@eyesopen.com>
18783 * combine.c (reg_subword_p): New predicate to test whether the
18784 destination of a set refers to a subword/piece of a register.
18785 (try_combine): Generalize the code to merge the setting of a
18786 pseudo to a constant followed by a set of a subword of that
18787 register to a constant.
18789 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18791 * basic-block.h (control_flow_graph): Change the type of
18792 x_label_to_block_map to VEC(basic_block,gc) *.
18793 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18794 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18796 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18797 VEC(basic_block,heap) *.
18798 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18799 ssa_prop_fini): Adjust the uses of cfg_blocks.
18801 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18803 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18805 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18806 hashing trees instead of a pointer hash.
18807 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18808 compare for MEM_EXPR.
18810 PR rtl-optimization/25130
18811 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18812 when comparing MEMs for GCSE
18814 2006-01-03 Ben Elliston <bje@au.ibm.com>
18816 * targhooks.h (default_decimal_float_supported_p): Declare.
18817 * targhooks.c (default_decimal_float_supported_p): Define.
18818 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18819 `default_decimal_float_supported_p'.
18820 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18822 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18824 * combine.c (apply_distributive_law <SUBREG>): Check
18825 TRULY_NOOP_TRUNCATION.
18827 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18829 * dwarf2out.c (have_switched_text_section): Delete.
18830 (have_multiple_function_sections): New.
18831 (have_location_lists): Make 'bool'.
18832 (add_AT_loc_list): Use 'true' not '1'.
18833 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18834 (output_loc_list): Use have_multiple_function_sections.
18835 (output_ranges): Likewise.
18836 (dwarf2out_begin_function): Set have_multiple_function_sections if
18838 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18839 Check function_section rather than DECL_SECTION_NAME.
18840 (dwarf2out_finish): Use have_multiple_function_sections.
18841 Don't clear have_location_lists.
18843 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18844 Jan Hubicka <jh@suse.cz>
18846 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18847 case of conditional jump jumping to the next instruction.
18848 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18849 cases of conditional jump jumping to the next instruction.
18851 2006-01-02 Jan Hubicka <jh@suse.cz>
18853 * i386.c (*_cost): Add COSTS_N_INSNS.
18854 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18856 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18859 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18861 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18863 * config/arm/arm.c (all_fpus): Fix comment typo.
18864 * config/darwin.c: Likewise.
18865 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18866 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18867 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18869 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18871 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18872 (rs6000_split_compare_and_swapqhi): New.
18873 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18874 (sync_compare_and_swapqhi_internal): New.
18875 * config/rs6000/rs6000-protos.h: Declare.