1 2006-11-18 Richard Guenther <rguenther@suse.de>
3 * config/i386/i386.c (ix86_builtins): New array for ix86
4 builtin function decls.
5 (def_builtin): New function.
6 (def_builtin_const): Likewise.
7 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
9 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
11 * doc/invoke.texi (core2): Add item.
13 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
15 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
16 (TARGET_CPU_DEFAULT_generic): Change value.
17 (TARGET_CPU_DEFAULT_NAMES): Add core2.
18 (processor_type): Add new constant PROCESSOR_CORE2.
20 * config/i386/i386.md (cpu): Add core2.
22 * config/i386/i386.c (core2_cost): New initialized variable.
24 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
25 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
26 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
27 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
28 x86_partial_reg_dependency, x86_memory_mismatch_stall,
29 x86_accumulate_outgoing_args, x86_prologue_using_move,
30 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
31 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
32 x86_use_incdec, x86_four_jump_limit, x86_schedule,
33 x86_pad_returns): Add m_CORE2.
34 (override_options): Add entries for Core2.
35 (ix86_issue_rate): Add case for Core2.
37 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
39 * doc/invoke.texi: Fix mno-isel typo.
41 2006-11-18 Joseph Myers <joseph@codesourcery.com>
43 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
44 easy vector constant loads.
46 2006-11-18 Joseph Myers <joseph@codesourcery.com>
48 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
49 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
50 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
51 * config/rs6000/sync.md (lwsync): Emit plain sync if
54 2006-11-17 DJ Delorie <dj@redhat.com>
56 * reload1.c (reloads_unique_chain): New.
57 (reloads_conflict): Call it.
59 2006-11-17 Bob Wilson <bob.wilson@acm.org>
61 * config/xtensa/predicates.md (addsubx_operand): New.
62 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
63 (xtensa_emit_bit_branch): New.
64 (xtensa_emit_movcc): New.
65 * config/xtensa/xtensa.md (any_minmax): New code macro.
66 (minmax): New code attribute.
67 (any_cond, any_scc, any_scc_sf): New code macros.
68 (*addx2, *addx4, *addx8): Delete.
70 (*subx2, *subx4, *subx8): Delete.
72 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
73 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
74 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
75 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
76 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
77 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
78 (movsfcc_internal0, movsfcc_internal1): Likewise.
79 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
80 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
81 (xtensa_emit_bit_branch): New.
82 (xtensa_emit_movcc): New.
83 (function_arg_boundary): Add missing prototype.
85 2006-11-17 Bob Wilson <bob.wilson@acm.org>
87 * config/xtensa/xtensa.md (tstsi): Delete
89 2006-11-17 Bob Wilson <bob.wilson@acm.org>
91 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
93 2006-11-17 Bob Wilson <bob.wilson@acm.org>
95 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
97 2006-11-17 Bob Wilson <bob.wilson@acm.org>
99 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
101 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
103 * tree-vrp.c (execute_vrp): Do not update current_loops.
104 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
105 * doc/loop.texi: Remove documentation for cancelled functions.
106 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
107 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
109 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
110 (remove_path): Ensure that in delete_basic_blocks, the loops
112 (add_loop): Work on valid loop structures.
113 (loopify): Modify call of add_loop.
114 (mfb_update_loops): Removed.
115 (create_preheader): Do not update loops explicitly.
116 (force_single_succ_latches, loop_version): Do not use
117 loop_split_edge_with.
118 (loop_split_edge_with): Removed.
119 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
120 Do not use bsi_insert_on_edge_immediate_loop.
121 (split_loop_exit_edge, tree_unroll_loop): Do not use
122 loop_split_edge_with.
123 (bsi_insert_on_edge_immediate_loop): Removed.
124 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
125 use loop_split_edge_with.
126 * cfghooks.c: Include cfgloop.h.
127 (verify_flow_info): Verify that loop_father is filled iff current_loops
129 (redirect_edge_and_branch_force, split_block, delete_basic_block,
130 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
132 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
134 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
135 loop_split_edge_with.
136 (sms_schedule): Use current_loops.
137 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
138 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
140 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
141 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
142 * ifcvt.c (if_convert): Ditto.
143 * predict.c (predict_loops): Do not clear current_loops.
144 (tree_estimate_probability): Use current_loops.
145 (propagate_freq): Receive head of the region to propagate instead of
147 (estimate_loops_at_level): Do not use shared to_visit bitmap.
148 (estimate_loops): New function. Handle case current_loops == NULL.
149 (estimate_bb_frequencies): Do not allocate tovisit. Use
151 * tree-ssa-loop.c (current_loops): Removed.
152 (tree_loop_optimizer_init): Do not return loops.
153 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
154 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
155 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
156 Do not update loops explicitly.
157 * function.h (struct function): Add x_current_loops field.
158 (current_loops): New macro.
159 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
160 * loop-unroll.c (split_edge_and_insert): New function.
161 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
162 use loop_split_edge_with.
163 * loop-doloop.c (add_test, doloop_modify): Ditto.
164 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
165 * cfglayout.c (copy_bbs): Do not update loops explicitly.
166 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
167 * tree-vect-transform.c (vect_transform_loop): Do not update loops
169 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
170 (flow_loops_free): Do not free dfs_order and rc_order.
171 (flow_loops_find): Do not set dfs_order and rc_order in loops
172 structure. Do not call loops and flow info verification.
173 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
174 already belongs to some loop.
175 * cfgloop.h (struct loops): Remove struct cfg.
176 (current_loops, loop_split_edge_with): Declaration removed.
177 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
178 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
180 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
181 * basic-block.h (split_edge_and_insert): Declare.
182 * tree-cfg.c (remove_bb): Do not update loops explicitly.
184 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
186 PR tree-optimization/29801
187 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
188 (get_default_value): Use get_symbol_constant_value.
189 (set_lattice_value): ICE when the value of the constant is
191 (visit_assignment): Ignore VDEFs of read-only variables.
193 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
195 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
197 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
198 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
200 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
202 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
203 select subvars of var.
205 2006-11-17 Jakub Jelinek <jakub@redhat.com>
208 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
209 optimize if DEF doesn't have integral type.
211 2006-11-16 Mike Stump <mrs@apple.com>
213 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
214 pre-darwin9 system, unless the user asks for it directly.
215 (PREFERRED_DEBUGGING_TYPE): Likewise.
216 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
217 * config.gcc: Add suppport for darwin9.h.
218 * config/darwin9.h: Add.
219 * doc/install.texi (Specific): Clarify darwin documentation.
221 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
223 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
226 2006-11-16 Mike Stump <mrs@apple.com>
228 * Makefile.in (targhooks.o): Add $(OPTABS_H).
230 2006-11-16 Dirk Mueller <dmueller@suse.de>
232 * tree-vrp.c (get_value_range): Use XCNEW instead
234 (insert_range_assertions): Use XCNEWVEC instead
235 of XNEWVEC and memset.
236 (vrp_initialize): Same.
237 (vrp_finalize): Same.
238 * tree-ssa-ccp.c (ccp_initialize): Same.
239 * predict.c (tree_bb_level_predictions): Same.
240 * calls.c (expand_call): Same.
241 * tree-ssa-copy.c (init_copy_prop): Same.
242 (fini_copy_prop): Same.
243 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
244 of GGC_NEW and memset.
246 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
249 * gimplify.c (gimplify_expr): Only force a load for references to
250 non-BLKmode volatile values.
251 * doc/implement-c.texi (Qualifiers implementation): Document the
252 interpretation of what a volatile access is.
253 * doc/extend.texi (C++ Extensions): Rework same documentation.
255 2006-11-16 Joseph Myers <joseph@codesourcery.com>
257 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
260 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
262 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
264 (arm_neg_abssi2): Renamed from neg_abssi2.
265 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
267 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
269 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
270 number of arguments passed to local functions in SSE registers is 3.
272 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
273 number of arguments passed in SSE registers to 3.
275 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
278 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
280 (get_last_bb_insn): ... new global function.
281 (basic_block.h): Declare it.
282 * haifa-sched.c (create_recovery_block): Use it.
284 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
287 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
289 2006-11-15 Paul Brook <paul@codesourcery.com>
291 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
292 _Unwind_GetTextRelBase): Move from here ...
293 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
294 _Unwind_GetTextRelBase): ... To here.
296 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
298 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
299 addresses we generate for testing are aligned.
301 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
304 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
305 to what is the const decl is a place holder for.
307 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
309 * config/i386/i386.opt: New target option -mx87regparm.
311 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
312 and float_in_x87 variables. mmx_words, sse_words: Remove.
313 (X87_REGPARM_MAX): Define.
315 * config/i386/i386.c (override_options): Error out for
316 -mx87regparm but no 80387 support.
317 (ix86_attribute_table): Add x87regparm.
318 (ix86_handle_cconv_attribute): Update comments for x87regparm.
319 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
320 (ix86_function_x87regparm): New function.
321 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
323 (init_cumulative_args): Initialize x87_nregs and float_in_x87
325 (function_arg_advance): Process x87_nregs and x87_regno when
326 floating point argument is to be passed in 80387 register.
327 (function_arg): Pass XFmode arguments in 80387 registers for local
328 functions. Pass SFmode and DFmode arguments to local functions
329 in 80387 registers when flag_unsafe_math_optimizations is set.
331 * reg-stack.c (convert_regs_entry): Disable NaN load for
332 stack registers that are used for argument passing.
334 * doc/extend.texi: Document x87regparm function attribute.
335 * doc/invoke.texi: Document -mx87regparm.
337 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
339 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
340 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
341 arg MODE; all callers changed. Use it to determine validity per
342 machine mode instead of using Pmode for all memory references.
343 (get_address_cost): Likewise add and use new arg MEM_MODE.
345 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
346 J"orn Rennecke <joern.rennecke@st.com>
348 * combine.c (likely_spilled_retval_1): Fix masking operation.
349 (likely_spilled_retval_p): Use proper pattern for call to
350 likely_spilled_retval_1.
352 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
354 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
356 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
357 that tests for CONSTANT_POOL_ADDRESS_P.
359 2006-11-15 Jakub Jelinek <jakub@redhat.com>
361 PR tree-optimization/29581
362 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
363 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
364 type is different between Y and USE, create a temporary
365 variable, initialize it at the beginning of the body bb
366 and use it as replacement instead of Y.
368 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
371 * gimplify.c (fold_indirect_ref_rhs): Use
372 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
374 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
376 * expmed.c (emit_store_flag_1): New function.
377 (emit_store_flag): Call it. If we can't find a suitable scc insn,
379 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
380 Use do_compare_rtx_and_jump.
381 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
382 * arm.md (cstoresi4): New define_expand.
383 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
384 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
385 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
387 2006-11-14 Caroline Tice <ctice@apple.com>
389 * dwarf2out.c (debug_pubtypes_section): New static global variable.
390 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
392 (pubname_table): Redefine as a vector.
393 (pubtype_table): New static global variable, defined as a vector.
394 (pubname_table_allocated): Remove static global variable.
395 (pubname_table_in_use): Remove static global variable.
396 (PUBNAME_TABLE_INCREMENT): Remove constant.
397 (size_of_pubnames): Add parameter to deal with either pubnames or
398 pubtypes, and change code to deal with table being a vector.
399 (add_pubname): Change to deal with table being a vector.
400 (add_pubtype): New function.
401 (output_pubnames): Add parameter to deal with either pubnames or
402 pubtypes, and change code to deal with table being a vector.
403 (gen_array_type_die): Add call to add_pubtype.
404 (gen_enumeration_type_die): Add call to add_pubtype.
405 (gen_struct_or_union_type_die): Add call to add_pubtype.
406 (gen_subroutine_type_die): Add call to add_pubtype.
407 (gen_typedef_die): Add call to add_pubtype.
408 (dwarf2out_init): Add code to initialize pubname_table and
409 pubtype_table vectors; also initialize debug_pubtypes_section.
410 (prune_unused_types): Change to deal with pubnames being a vector.
411 (dwarf2out_finish): Change to deal with pubnames being a vector; add
412 pubnames table to call to output_pubnames; Add code to output pubtypes
413 table if DEBUG_PUBTYPES_SECTION is defined.
414 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
416 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
418 2006-11-14 Joseph Myers <joseph@codesourcery.com>
420 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
421 iwmmxt_nregs if TARGET_IWMMXT_ABI.
422 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
423 movv2si_internal): Support moves between core registers.
425 2006-11-14 Eric Christopher <echristo@apple.com>
427 * configure: Regenerate with autoconf 2.59.
429 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
431 Fix PR tree-optimization/27755
433 * tree-ssa-pre.c: Update comments.
434 (bb_bitmap_sets): Add pa_in and deferred member.
435 (BB_DEFERRED): New macro.
436 (maximal_set): New variable.
437 (pre_stats): Add pa_insert member.
438 (bitmap_set_and): Short circuit orig == dest.
439 (bitmap_set_subtract_values): New function.
440 (bitmap_set_contains_expr): Ditto.
441 (translate_vuses_through_block): Add phiblock argument.
442 (dependent_clean): New function.
443 (compute_antic_aux): Update for maximal_set changes.
444 (compute_partial_antic_aux): New function.
445 (compute_antic): Handle partial anticipation.
446 (do_partial_partial_insertion): New function.
447 (insert_aux): Handle partial anticipation.
448 (add_to_sets): Add to maximal set.
449 (compute_avail): Ditto.
450 (init_pre): Initialize maximal_set.
451 (execute_pre): Do partial anticipation if -O3+.
453 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
455 PR rtl-optimization/29798
457 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
458 TARGET_INSN before any other check.
459 (fwprop_init): Always calculate dominators.
460 (fwprop_done): Always free them.
462 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
464 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
467 2006-11-13 DJ Delorie <dj@redhat.com>
469 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
470 temporary for intermediates.
472 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
474 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
475 (sh_optimize_target_register_callee_saved): #if 0 the code
476 using NOTE_INSN_LOOP_{BEG,END}.
478 2006-11-13 Roger Sayle <roger@eyesopen.com>
480 * fold-const.c (optimize_bit_field_compare): Recursively call
481 fold when simplifying non-constant comparisons between bit-fields.
483 2006-11-13 Jakub Jelinek <jakub@redhat.com>
485 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
487 * configure: Rebuilt.
489 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
491 * config/rs6000/cell.md: New file.
492 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
494 (ppccell_cost): New cost matrix.
495 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
496 (rs6000_override_options): Set rs6000_always_hint to false
497 for cell. Also align functions/lables/loops to 8byte
498 for the Cell. Use PROCESSOR_CELL.
499 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
501 (rs6000_variable_issue): If the insn is a nonpipelined instruction
502 on the Cell, return 0.
503 (rs6000_adjust_cost): Add Cell cost adjustments.
504 (is_microcoded_insn): Return true for Cell microcoded
506 (is_nonpipeline_insn): New function.
507 (rs6000_issue_rate): Add PROCESSOR_CELL.
508 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
510 (rs6000_use_sched_lookahead_guard): New function.
511 (rs6000_sched_reorder): Reorder the ready list, if the second
512 to last ready insn is a nonepipeline insn on the Cell.
513 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
514 (ASM_CPU_SPEC): Add Cell.
515 * config/rs6000/rs6000.md (cpu): Add Cell.
516 (cell_micro): New Attr.
519 2006-11-13 Jakub Jelinek <jakub@redhat.com>
521 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
523 * configure: Rebuilt.
525 2006-11-13 Richard Guenther <rguenther@suse.de>
527 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
529 (ix86_expand_lfloorceil): Likewise.
530 (ix86_expand_rint): Likewise.
531 (ix86_expand_floorceildf_32): Likewise.
532 (ix86_expand_floorceil): Likewise.
533 (ix86_expand_rounddf_32): Likewise.
534 (ix86_expand_truncdf_32): Likewise.
535 (ix86_expand_round): Likewise.
537 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
538 Mark Mitchell <mark@codesourcery.com>
540 * gcc.c: Organize search path variables into $prefix relative,
541 and well-known native. Add comments.
542 (add_sysrooted_prefix): Add comment.
543 (process_command): If !gcc_exec_prefix add $prefix based paths.
544 If *cross_compile == '0', add native well-known paths.
545 Assert tooldir_base_prefix is always relative.
546 (main): If print_search_dirs, and if gcc_exec_prefix is set,
547 use this value for 'install:' path.
548 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
550 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
552 * config/i386/i386.c: Fix a typo in comment.
554 2006-11-13 Michael Matz <matz@suse.de>
556 * genemit.c (gen_expand): Allocate enough memory.
558 2006-11-13 Joseph Myers <joseph@codesourcery.com>
560 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
561 __GXX_TYPEINFO_EQUALITY_INLINE but not
562 __GXX_MERGED_TYPEINFO_NAMES.
563 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
564 __GXX_MERGED_TYPEINFO_NAMES.
565 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
566 __GXX_TYPEINFO_EQUALITY_INLINE.
568 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
569 Zdenek Dvorak <dvorakz@suse.cz>
571 PR tree-optimization/29680
572 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
575 2006-11-12 Jason Merrill <jason@redhat.com>
576 Andrew Pinski <pinskia@physics.uc.edu>
579 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
581 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
583 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
584 * tree.c (build_vector): Handle non-_CST elements.
586 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
588 * genemit.c (gen_insn): Call gen_exp with a non-null used
589 when handling multiple insns.
590 (gen_expand): Likewise.
591 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
592 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
593 (movsi_const_16bit+1): Copy operands[1].
594 (call_pcrel): Copy the call_site pattern.
595 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
597 2006-11-12 Roger Sayle <roger@eyesopen.com>
599 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
600 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
601 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
602 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
604 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
606 Fix PR tree-optimization/29587
607 * tree-ssa-structalias.c (process_constraint): Don't
608 mark address taken due only to escaped vars constraint.
610 2006-11-12 Michael Matz <matz@suse.de>
611 Roger Sayle <roger@eyesopen.com>
613 PR rtl-optimization/29797
614 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
615 BITS_BIG_ENDIAN targets.
617 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * builtins.c (fold_builtin_cosh): New.
620 (fold_builtin_1): Use it.
621 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
622 trunc to the list of "odd" functions. Also add llrint, lrint,
623 rint and nearbyint when flag_rounding_math is false.
625 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
627 * tree-flow.h (name_mappings_registered_p): Declare.
628 * tree-into-ssa.c (name_mappings_registered_p): New function.
629 * tree-cfg.c (tree_can_merge_blocks_p): Check
630 name_mappings_registered_p instead of need_ssa_update_p.
632 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
634 * tree-ssa-loop.c (tree_vectorize): Return the result of
636 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
638 * tree-vectorizer.h (vectorize_loops): Declaration removed.
639 * tree-flow.h (vectorize_loops): Declaration changed.
641 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
643 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
645 (issue_prefetch_ref): Move assignment to write_p out of loop.
646 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
647 SIMULTANEOUS_PREFETCHES into account.
648 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
649 * lambda-code.c (lcm): Renamed to ...
650 (least_common_multiple): ... and exported.
651 * tree-flow.h (least_common_multiple): Declare.
653 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
655 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
656 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
657 ud-chains. Handle AND_EXPR.
658 (record_estimate): Record whether the estimate is realistic
659 and whether it is derived from a loop exit.
660 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
661 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
663 (compute_estimated_nb_iterations): Take only realistic bounds into
664 account. Set estimate_state. Use double_ints.
665 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
666 and infer_loop_bounds_from_signedness. Do not consider basic blocks
667 that do not have to be always executed.
668 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
669 to determine whether to call infer_loop_bounds_from_undefined
670 and compute_estimated_nb_iterations.
671 (n_of_executions_at_most): Use double_ints.
672 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
673 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
674 * double-int.c (double_int_to_tree): Improve comment.
675 (double_int_fits_to_tree_p): New function.
676 * double-int.h (double_int_fits_to_tree_p): Declare.
677 * tree-data-ref.c: Include langhooks.h.
678 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
679 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
680 (analyze_array): Do not pass estimate_only argument to
681 analyze_array_indexes.
682 (get_number_of_iters_for_loop): Build tree from the stored double_int
684 (get_references_in_stmt, find_data_references_in_stmt): New functions.
685 (find_data_references_in_loop): Use find_data_references_in_stmt.
686 * tree-data-ref.h (struct data_ref_loc_d): New.
687 (get_references_in_stmt): Declare.
688 (estimate_iters_using_array): Declaration removed.
689 * cfgloop.h (struct nb_iter_bound): Change type of bound to
690 double_int. Improve comments. Add is_exit and realistic
692 (struct loop): Changed type of estimated_nb_iterations to double_int.
693 Added estimate_state field.
694 (record_estimate): Declaration removed.
696 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
698 * params.c (set_param_value): Initialize the "set" field.
699 * params.h (struct param_info): Add "set" field.
700 (PARAM_SET_P): New macro.
701 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
702 L1_CACHE_LINE_SIZE): New macros.
703 * toplev.c (DEFPARAM): Initialize the "set" field.
704 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
705 SIMULTANEOUS_PREFETCHES): Removed.
706 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
707 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
708 * config/sparc/sparc.c: Include params.h.
709 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
710 L1_CACHE_LINE_SIZE parameters.
711 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
713 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
715 * config/i386/i386.c: Include params.h.
716 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
717 (override_options): Set SIMULTANEOUS_PREFETCHES and
718 L1_CACHE_LINE_SIZE parameters.
719 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
720 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
721 L1_CACHE_LINE_SIZE parameters.
722 * config/ia64/ia64.c (ia64_optimization_options): Set
723 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
724 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
726 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
727 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
728 * doc/invoke.texi: Document new params.
730 2006-11-12 Roger Sayle <roger@eyesopen.com>
732 PR tree-optimization/13827
733 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
736 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
738 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
739 update_single_exit_for_duplicated_loops): New functions.
740 (duplicate_loop_to_header_edge): Use
741 update_single_exit_for_duplicated_loops.
742 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
743 functions only with ENABLE_CHECKING.
745 2006-11-12 Andreas Schwab <schwab@suse.de>
747 * except.c (sjlj_emit_function_enter): Remove unused variable.
749 2006-11-11 Roger Sayle <roger@eyesopen.com>
751 * fold-const.c (int_binop_types_match_p): New function.
752 (size_binop): Relax constraint that both arguments must both have
753 exactly the same sizetype type. Instead use int_binop_types_match_p.
754 (size_diffop): Likewise.
756 (make_range): Use build_int_cst instead of fold_convert.
757 (fold_cond_expr_with_comparison): Use build_int_cst to construct
758 integer constants of the correct type.
759 (fold_div_compare): Likewise.
760 (fold_single_bit_test): Likewise.
761 (fold_binary): Likewise.
762 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
763 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
765 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
768 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
769 non null value if the struct memory access is in the 0th
772 2006-11-12 Jie Zhang <jie.zhang@analog.com>
775 2006-11-11 Jie Zhang <jie.zhang@analog.com>
776 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
779 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
780 instead of builtin_define for bfin and BFIN.
782 2006-11-11 Jie Zhang <jie.zhang@analog.com>
784 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
787 2006-11-11 Jan Hubicka <jh@suse.cz>
789 * extended.texi (__builtin_expect): We no longer require second argument
791 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
792 * builtins.c (expand_builtin_expect): Simplify.
793 (expand_builtin_expect_jump): Kill.
794 * final.c (final_scan_insn): Do not skip the removed notes.
795 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
796 EXPECTED_VALUE): Remove.
797 * dojump.c (do_jump): Do not care about __builtin_expect.
798 * predict.c (expected_value_to_br_prob): Kill.
799 * function.c (expand_function_end): Do not expand
800 NOTE_INSN_REPEATED_LINE_NUMBER.
801 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
802 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
803 * cfgexpand.c (add_reg_br_prob_note): Export.
804 * cfgcleanup.c (rest_of_handle_jump2): Do not call
805 expected_value_to_br_prob.
806 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
807 * rtl.h (add_reg_br_prob_note): Declare.
809 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
811 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
813 2006-11-11 Jan Hubicka <jh@suse.cz>
815 * predict.c (predict_loops): Kill RTL variant.
817 2006-11-11 Jan Hubicka <jh@suse.cz>
819 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
820 * modulo-sched.c (find_line_note): Remove.
821 (loop_canon_p): Do not worry about line number notes.
822 (sms_schedule): Likewise.
823 * cse.c (cse_main): Likewise.
824 * regmove.c (fixup_match_1): Likewise
825 * function.c (emit_return_info_block): Likewise.
826 (expand_function_end): Likewise.
827 (thread_prologue_an_epilogue_insns): Likewise.
828 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
830 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
831 emit_note_copy_after): Kill.
832 (emit_note_copy): Do not worry about line numbers.
833 * jump.c (purge_line_number_notes): Kill.
834 (pass_purge_lineno_notes): Kill.
835 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
837 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
838 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
839 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
840 * tree-pass.h (pass_purge_lineno_notes): Kill.
841 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
842 rm_redundant_line_notes.
843 * sched-rgb.c (schedule_region): Don't rm_line_notes,
844 rm_redundant_line_notes.
845 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
846 * haifa-sched.c: Update comment about handling notes.
847 (unlink_line_notes): Kill.
848 (rm_line_notes): Kill.
849 (save_line_notes): Simplify.
850 (rm_redundant_line_notes): Kill.
852 2006-11-11 Richard Guenther <rguenther@suse.de>
854 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
855 Remove unused tree codes.
856 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
857 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
858 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
859 * tree.c (stabilize_reference): Likewise.
860 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
861 fold_unary): Likewise.
862 * tree-gimple.c (is_gimple_cast): Likewise.
863 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
864 * expr.c (expand_expr_real_1): Likewise.
865 * tree-eh.c (tree_could_trap_p): Likewise.
866 * gimplify.c (gimplify_expr): Likewise.
867 * tree-inline.c (estimate_num_insns_1): Likewise.
868 * tree-cfg.c (verify_expr): Likewise.
870 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
872 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
873 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
874 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
876 2006-11-11 Richard Sandiford <richard@codesourcery.com>
879 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
880 constraints accept neither registers or memories.
882 2006-11-11 Jie Zhang <jie.zhang@analog.com>
884 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
885 (NO_PROFILE_COUNTERS): Define as 1.
887 2006-11-10 Roger Sayle <roger@eyesopen.com>
889 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
890 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
892 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
894 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
896 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
899 (fold_builtin_hypot): Likewise.
900 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
902 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
904 2006-11-10 Roger Sayle <roger@eyesopen.com>
906 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
907 when attempting to build INTEGER_CSTs of non-integral types.
908 * expmed.c (make_tree): Use the correct type, i.e. the inner
909 type, when constructing the individual elements of a CONST_VECTOR.
911 2006-11-10 Jan Hubicka <jh@suse.cz>
913 * cse.c (cse_process_notes): Copy the propagated value.
914 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
916 * gcse.c (try_replace_reg): Copy the replacement.
917 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
918 (assign_386_stack_local): Always return copied memory expression
919 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
922 2006-11-10 Jan Hubicka <jh@suse.cz>
924 * final.c (final): Walk from first instruction.
925 * cfglayout.c (insn_locators_initialize): Remove line number notes.
927 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
930 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
932 (umulv8hi3_highpart): Ditto.
933 (vec_widen_smult_hi_v8hi): New expander.
934 (vec_widen_smult_lo_v8hi): Ditto.
936 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
939 * builtins.c (do_mpfr_arg3): New.
940 (fold_builtin_1): Handle builtins fma, fmin and fmax.
942 2006-11-09 Eric Christopher <echristo@apple.com>
947 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
948 * config.gcc (powerpc64-*-darwin*): New target.
949 * config.host: Ditto.
950 * config/rs6000/darwin64.h: New file.
951 * config/rs6000/x-darwin64: Ditto.
952 * config/rs6000/host-ppc64-darwin.c: Ditto.
954 2006-11-09 Steve Ellcey <sje@cup.hp.com>
956 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
957 routines for integer division.
959 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
961 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
963 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
966 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
968 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
970 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
971 simplify_subreg with BLKmode outer mode.
973 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
975 * doc/invoke.texi: Minor formatting fixes in option lists.
977 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
979 PR tree-optimization/29738
980 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
981 (ccp_lattice_t): Remove UNKNOWN_VAL.
982 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
983 Do not handle UNKNOWN_VAL.
984 (get_default_value): Set initial value of virtual operands to
986 (get_value): Always use get_default_value on uninitialized
988 (set_value_varying, surely_varying_stmt_p): New functions.
989 (set_lattice_value): Do not pass argument to get_value.
990 Do not handle UNKNOWN_VAL.
991 (likely_value): Follow the semantics described in the comment.
992 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
993 phi nodes DONT_SIMULATE_AGAIN.
994 (ccp_fold): Do not pass argument to get_value.
995 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
998 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1000 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1001 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1003 2006-11-08 Roger Sayle <roger@eyesopen.com>
1005 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1006 test for inclusion rather than as a test for exclusion.
1007 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1008 the condition after calling fold_binary.
1009 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1010 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1011 * builtins.c (fold_builtin_isascii): Likewise.
1012 (fold_builtin_isdigit): Likewise.
1014 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1016 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1017 * configure: Regenerate.
1019 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1021 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1022 enum argument instead of bool.
1023 (vect_analyze_operations): Call vectorizable_type_promotion.
1024 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1025 stmt_vec_info_type value.
1026 (supportable_widening_operation, vectorizable_type_promotion): New
1027 function declarations.
1028 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1029 (vectorizable_type_promotion): New function.
1030 (vect_transform_stmt): Call vectorizable_type_promotion.
1031 * tree-vect-analyze.c (supportable_widening_operation): New function.
1032 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1034 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1037 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1038 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1039 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1041 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1042 * expr.c (expand_expr_real_1): Likewise.
1043 * optabs.c (optab_for_tree_code): Likewise.
1044 (init_optabs): Initialize new optabs.
1045 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1046 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1047 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1048 vec_unpacku_lo_optab): Initialize new optabs.
1049 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1050 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1051 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1053 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1054 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1055 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1056 (vec_unpacku_lo_optab): New optabs.
1057 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1058 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1059 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1060 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1061 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1062 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1064 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1065 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1066 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1067 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1068 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1069 implement the unsigned unpacking patterns.
1070 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1071 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1072 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1073 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1074 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1075 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1076 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1077 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1078 multiplication patterns.
1080 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1081 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1082 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1083 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1084 (rs6000_builtin_mul_widen_odd): New.
1085 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1086 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1087 * tree-vectorizer.h (enum vect_relevant): New enum type.
1088 (_stmt_vec_info): Field relevant chaned from bool to enum
1090 (STMT_VINFO_RELEVANT_P): Updated.
1091 (STMT_VINFO_RELEVANT): New.
1092 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1093 instead of STMT_VINFO_RELEVANT_P.
1094 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1095 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1096 and boolean variable with enum vect_relevant.
1097 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1098 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1099 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1101 2006-11-08 Richard Henderson <rth@redhat.com>
1103 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1104 vec_widen_umult_lo_v8hi): New.
1105 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1106 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1108 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1109 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1110 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1111 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1112 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1113 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1114 vec_unpacks_lo_v4si): New.
1116 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1118 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1119 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1120 (vect_analyze_operations): Call vectorizable_type_demotion.
1121 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1122 stmt_vec_info_type value.
1123 (vectorizable_type_demotion): New function declaration.
1124 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1127 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1128 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1130 * tree-iniline.c (estimate_num_insns_1): Likewise.
1131 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1132 * optabs.c (optab_for_tree_code): Likewise.
1134 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1135 compared against the predicate of the result is not 'mode' (the input
1136 to the function) but a mode with half the size of 'mode'.
1137 (init_optab): Initialize new optabs.
1138 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1140 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1142 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1143 (vec_pack_usat_optab): Initialize new optabs.
1144 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1145 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1147 2006-11-08 Richard Henderson <rth@redehat.com>
1149 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1150 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1151 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1152 (vec_interleave_highv4si, vec_interleave_lowv4si):
1153 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1155 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1157 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1159 (vect_transform_stmt): Removed redundant code.
1161 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1163 * tree-vect-transform.c (vectorizable_operation): Support multiple
1166 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1168 * tree-vect-transform.c (vect_align_data_ref): Removed.
1169 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1170 Updated function documentation. Return the increment stmt in ptr_incr.
1171 (bump_vector_ptr): New function.
1172 (vect_get_vec_def_for_stmt_copy): New function.
1173 (vect_finish_stmt_generation): Create a stmt_info to newly created
1175 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1177 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1178 VF is greater than the number of elements that can fit in one vector
1180 (vectorizable_operation, vectorizable_condition): Likewise.
1181 (vectorizable_store, vectorizable_load): Support the case that the VF
1182 is greater than the number of elements that can fit in one vector word.
1183 (vect_transform_loop): Don't fail in case of multiple data-types.
1184 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1185 in case of multiple data-types; the smallest type determines the VF.
1186 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1187 if they are of different sizes.
1188 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1189 number of elements rather than number of bytes.
1190 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1191 (vect_can_advance_ivs_p): Fix a dump printout
1193 2006-11-07 Eric Christopher <echristo@apple.com>
1195 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1196 (__bswapsi2): Ditto.
1197 * libgcc2.h: Remove transformation of bswap routines.
1198 * config/i386/i386.md (bswapsi2): New.
1201 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1203 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1204 (handle_gnu_inline_attribute): New function.
1205 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1206 (merge_decls, start_decl, start_function): Likewise.
1207 * doc/extend.texi: Document gnu_inline attribute.
1209 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1212 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1213 _fixunstfdi, and _floatditf
1215 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1217 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1219 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1220 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1221 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1222 which start in an odd register.
1224 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1226 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1228 2006-11-07 Josh Conner <jconner@apple.com>
1230 * doc/invoke.texi (fstrict-aliasing): Move implementation
1232 * doc/tree-ssa.texi (Alias analysis): ...here.
1234 2006-11-07 Richard Guenther <rguenther@suse.de>
1236 PR tree-optimization/29610
1237 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1238 of tree_purge_dead_eh_edges as it may free dominators.
1240 * g++.dg/other/pr29610.C: New testcase.
1242 2006-11-07 David Ung <davidu@mips.com>
1244 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1245 costs when optimizing for size.
1246 (override_options): Use mips_rtx_cost_optimize_size table for cost
1249 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1251 * gcc.c (process_command): Treat -b as normal switch if its argument
1254 2006-11-07 David Ung <davidu@mips.com>
1256 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1259 2006-11-06 Eric Christopher <echristo@apple.com>
1261 * config.gcc: Add x86_64-darwin host support.
1262 * config.host: Ditto.
1263 * config/i386/darwin64.h: New file.
1264 * config/i386/t-darwin64: Ditto.
1266 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1268 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1269 and output-exists-not.
1271 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1274 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1275 checking for overflow.
1277 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1279 * configure.ac: Fixed typo in case statement: :: changed to ;;
1281 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1283 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1284 count_leading_zeros, and count_trailing_zeros.
1285 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1286 (TARGET_FOLD_BUILTIN): Define.
1287 (TARGET_EXPAND_BUILTIN): Define.
1288 (xtensa_init_builtins): New.
1289 (xtensa_fold_builtin): New.
1290 (xtensa_expand_builtin): New.
1291 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1292 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1293 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1294 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1295 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1296 (any_extend): New code macro.
1297 (u, su): New code attributes.
1298 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1299 (nsau): Remove; replaced by clzsi2.
1300 (ffssi2): Use clzsi2.
1301 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1302 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1303 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1304 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1305 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1307 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1309 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1311 * config/arm/t-strongarm-elf: Likewise.
1312 * config/arm/t-pe: Likewise.
1313 * config/arm/t-arm-elf: Likewise.
1314 * config/arm/t-xscale-elf: Likewise.
1315 * config/arm/t-arm-coff: Likewise.
1316 * config/arm/t-xscale-coff: Likewise.
1317 * config/arm/t-wince-pe: Likewise.
1319 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1321 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1324 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1327 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1330 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1333 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1334 as a valid 80387 constant.
1335 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1336 * config/i386/i386.md (unnamed splitter): Split the load of
1337 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1340 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1342 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1343 from the soft-frame, argument and virtual registers.
1345 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1347 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1348 patterns for standard 80387 constants.
1350 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1351 Steven Bosscher <steven@gcc.gnu.org>
1353 * fwprop.c: New file.
1354 * Makefile.in: Add fwprop.o.
1355 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1356 * passes.c (init_optimization_passes): Schedule forward propagation.
1357 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1359 * timevar.def (TV_FWPROP): New.
1360 * common.opt (-fforward-propagate): New.
1361 * opts.c (decode_options): Enable forward propagation at -O2.
1362 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1363 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1364 canon_for_address, table_size): Remove.
1365 (new_basic_block, insert, remove_from_table): Remove references to
1367 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1368 simplification loop more straightforward by not calling fold_rtx
1370 (equiv_constant): Move here a small part of fold_rtx_subreg,
1371 do not call fold_rtx. Call avoid_constant_pool_reference
1373 * recog.h (canonicalize_change_group): New.
1375 * doc/invoke.texi (Optimization Options): Document fwprop.
1376 * doc/passes.texi (RTL passes): Document fwprop.
1378 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1380 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1381 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1382 (grokdeclarator): Likewise.
1384 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1386 * tree-dump.c (dump_enable_all): Rename local variable
1387 ir_type to avoid name conflicts.
1388 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1389 instead of using ir_type().
1390 * profile.c (tree_register_profile_hooks): Likewise.
1391 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1392 * basic-block.h (struct edge_def): Likewise.
1393 * config/arm/arm.c (legitimize_pic_address): Likewise.
1394 * coretypes.h (ir_type): New enum of all intermediate languages
1396 * cfghooks.c (ir_type): Rename to...
1397 (current_ir_type): ...this. Distinguish between cfgrtl and
1398 cfglayout mode when the current IR is RTL. Return enum ir_type.
1399 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1401 2006-11-03 Paul Brook <paul@codesourcery.com>
1403 * config/arm/arm.c (arm_file_start): New function.
1404 (TARGET_ASM_FILE_START): Define.
1405 (arm_default_cpu): New variable.
1406 (arm_override_options): Set arm_default_cpu.
1408 2006-11-03 David Ung <davidu@mips.com>
1410 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1411 PROCESSOR_24KC and PROCESSOR_24KF.
1412 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1413 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1414 (mips_rtx_cost_data): Add costs for the 24kc.
1415 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1416 * config/mips/24k.md: Remove references to 24k and replace with
1417 uses of 24kc/24kf in the appropriate reservations.
1418 * doc/invoke.texi (MIPS Options): Updated.
1420 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1422 * config/sh/crt1.asm: Fix #ifdef indent.
1424 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1425 Merged from STMicroelectronics sources:
1426 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1427 * config/sh/crt1.asm (vbr_600): Add missing #if.
1428 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1429 * sh.opt (mfused-madd): New option.
1430 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1431 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1432 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1433 Remove pointless handler at VBR+0.
1434 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1435 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1436 fr7. Make sure the timer handler is called with the correct FPU
1437 precision setting, according to the ABI.
1438 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1439 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1440 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1441 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1442 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1443 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1444 zero as second operand.
1445 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1446 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1447 Fixed some bugs related to negative values, in particular -0
1448 and overflow at -0x80000000.
1449 * config/sh/divcost-analysis: Added sh4-300 figures.
1450 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1451 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1452 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1453 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1454 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1455 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1457 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1459 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1460 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1461 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1462 mac_mem, mem_mac, dfp_mul, fp_cmp.
1463 (insn_class, dfp_comp, any_fp_comp): Update.
1464 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1465 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1466 (muldf3_i): Likewise.
1467 (movsi_i): Split rI08 alternative into two separate alternatives.
1469 (movsi_ie, movsi_i_lowpart): Likewise.
1470 (movqi_i): Split ri alternative into two separate alternatives.
1472 * sh1.md (sh1_load_store, sh1_fp): Update.
1473 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1474 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1475 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1476 (sh4a_fp_double_arith): Likewise.
1477 * sh4-300.md: New file.
1478 * sh.c (sh_handle_option): Handle m4-300* options.
1479 (sh_adjust_cost): Fix latency of auto-increments.
1480 Handle SH4-300 differently than other SH4s. Check for new insn types.
1481 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1482 been set by an option.
1483 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1484 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1485 (mbranch-cost=): Likewise.
1486 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1488 * sh.md (mulsf3): Remove special expansion code.
1489 (mulsf3_ie): Now a define_insn_and_split.
1490 (macsf3): Allow for TARGET_SH4.
1492 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1493 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1494 (expand_cbranchdi4): Likewise.
1495 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1496 CONST_DOUBLE if the outer code is COMPARE.
1497 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1498 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1499 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1500 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1501 Remove redundant fp_{zero,one}_operand checks.
1502 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1503 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1504 (expand_cbranchdi4): Likewise.
1505 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1506 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1508 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1510 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1513 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1515 * doc/invoke.texi: Fix mfp-trap-mode typo.
1517 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1519 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1520 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1521 file_end_indicate_exec_stack.
1522 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1524 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1525 for a non-executable stack.
1526 * crti.asm: Likewise.
1527 * crtn.asm: Likewise.
1528 * libunwind.S: Likewise.
1530 2006-11-02 Ben Elliston <bje@au.ibm.com>
1532 * tree-ssa.c (warn_uninit): Use expand_location variables for
1533 locus and declaration locus.
1535 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1538 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1539 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1540 cmp{eq,gt,gtu}{si,di}_media.
1541 (*cmpne0si_media): Remove.
1542 (*movsicc_umin): Adjust gen_cmp*_media call.
1543 (unordered): Change the mode of unordered and operands[1] to
1545 (seq): Adjust gen_cmp*_media calls. Make the mode of
1546 a temporary result of compare SImode if needed. If the mode
1547 of operands[0] is DImode, extend the temporary result to DImode.
1548 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1549 (sunorderd): Change the mode of match_operand and unorderd to
1551 (cmpeq{sf,df}_media): Remove.
1552 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1553 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1554 and compare operation to SImode.
1556 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1558 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1560 (sparc64-sun-solaris2*): Likewise.
1562 2006-11-02 Paul Brook <paul@codesourcery.com>
1564 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1565 from priority argument. Use different section for non-default
1567 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1569 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1572 * except.c (switch_to_exception_section): Do not cache the section
1573 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1574 and flag_function_sections is set.
1576 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1579 * builtins.c (do_mpfr_sincos): New.
1580 (fold_builtin_1): Use it to fold builtin sincos.
1582 2006-11-01 Roger Sayle <roger@eyesopen.com>
1584 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1585 it into -D_REENTRANT.
1587 2006-11-01 Roger Sayle <roger@eyesopen.com>
1589 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1590 whether the assembler supports taking the difference of symbols in
1591 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1592 * configure: Regenerate.
1593 * config.in: Regenerate.
1594 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1595 the assembler doesn't support taking the difference of symbols in
1596 different sections, i.e. we're using the native solaris assembler.
1598 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1599 Peter Bergner <bergner@vnet.ibm.com>
1601 * doc/invoke.texi: Add cpu_type power6x
1602 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1603 * config.gcc: Add cpu_type power6x.
1604 * configure.ac: Add test for mf{t,f}gpr instructions.
1605 (HAVE_AS_MFPGPR): New.
1606 * config.in: Regenerate.
1607 * configure: Regenerate.
1608 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1609 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1610 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1611 and mftgpr attributes.
1612 (define_attr "cpu"): Add power6.
1613 Change instruction sequences to use new attributes.
1614 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1615 (fix_truncdfsi2_mfpgpr): New.
1616 (floatsidf_ppc64_mfpgpr): New.
1617 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1618 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1619 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1620 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1621 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1622 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1623 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1624 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1625 cntlz,exts and var_delayed_compare.
1626 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1627 _ARCH_PWR6X, if features enabled.
1628 * config/rs6000/rs6000.opt (mmfpgpr): New.
1629 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1630 (cached_can_issue_more): New variable.
1631 (processor_costs): Add power6_cost.
1632 (rs6000_sched_init): New function.
1633 (is_dispatch_slot_restricted): Deleted.
1634 (set_to_load_agen): New function.
1635 (is_load_insn,is_store_insn): New functions.
1636 (adjacent_mem_locations): New function.
1637 (insn_must_be_first_in_group): New function.
1638 (insn_must_be_last_in_group): New function.
1639 (rs6000_sched_reorder): New function.
1640 (rs6000_sched_reorder2): New function.
1641 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1642 TARGET_SCHED_REORDER2): Define.
1643 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1644 Add power6x. Add MASK_MFPGPR for power6x.
1645 (POWERPC_MASKS): Add MASK_MFPGPR.
1646 (rs6000_override_options): Set rs6000_always_hint to false
1647 for power6. Set rs6000_align_branch_targets. Replace
1648 rs6000_sched_groups check with rs6000_align_branch_targets.
1649 Use PROCESSOR_POWER6.
1650 (last_scheduled_insn): New variable.
1651 (load_store_pendulum): New variable.
1652 (rs6000_variable_issue): Set last_scheduled_insn and
1653 cached_can_issue_more.
1654 (rs6000_adjust_cost): Add power6 cost adjustments.
1655 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1656 with insn_must_be_first_in_group. Add power6 priority adjustments.
1657 (rs6000_issue_rate): Add CPU_POWER6.
1658 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1659 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1660 (TARGET_MFPGPR): New.
1661 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1662 (ASM_CPU_SPEC): Add power6x.
1663 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1665 * config/rs6000/power6.md: New file.
1667 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1669 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1670 HOST_WIDE_INT_PRINT to print high and low parts. Use
1671 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1672 printing a hexadecimal number prefix it with 0x.
1674 2006-11-01 Chris Johns <chris@contemporary.net.au>
1677 * Makefile.in (install-driver): Use exeext when installing
1678 $target-gcc-$version.
1680 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1682 * c-common.c (flag_cpp0x): New.
1683 * c-common.h (flag_cpp0x): New.
1684 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1685 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1686 * c-opts.c (set_std_cxx0x): New.
1687 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1688 * c.opt (std=c++0x): Document.
1689 (std=gnu++0x): Ditto.
1690 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1691 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1693 2006-11-01 Richard Guenther <rguenther@suse.de>
1695 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1697 (ix86_expand_floorceildf_32): Likewise.
1698 (ix86_expand_floorceil): Likewise.
1699 (ix86_expand_trunc): Likewise.
1701 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1703 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1706 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1708 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1710 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1712 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1714 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1715 * configure.ac (use_cxa_atexit): As a special case, don't test
1716 for libc definition of __cxa_atexit on mingw32
1717 * configure: Regenerate.
1718 * config.gcc (i[34567]86-pc-mingw32): Default to
1719 enable__cxa_atexit=yes.
1721 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1723 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1725 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1728 * c-decl.c (start_struct): Don't create self-containing
1730 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1732 * config/rs6000/rs6000-protos.h
1733 (darwin_rs6000_special_round_type_align): New.
1734 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1735 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1737 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1739 * toplev.c (compile_file): Call final_write_globals
1740 even if there have been errors.
1742 2006-10-31 Eric Christopher <echristo@apple.com>
1743 Falk Hueffner <falk@debian.org>
1745 * doc/extend.texi (__builtin_bswap32): Document.
1746 (__builtin_bswap64): Ditto.
1747 * doc/libgcc.texi (bswapsi2): Document.
1749 * doc/rtl.texi (bswap): Document.
1750 * optabs.c (expand_unop): Don't widen a bswap.
1751 (init_optabs): Init bswap. Set libfuncs explicitly
1752 for bswapsi2 and bswapdi2.
1753 * optabs.h (OTI_bswap): New.
1754 (bswap_optab): Ditto.
1755 * genopinit.c (optabs): Handle bswap_optab.
1756 * tree.h (tree_index): Add TI_UINT32_TYPE and
1758 (uint32_type_node): New.
1759 (uint64_type_node): Ditto.
1760 * tree.c (build_common_tree_nodes_2): Initialize
1761 uint32_type_node and uint64_type_node.
1762 * builtins.c (expand_builtin_bswap): New.
1763 (expand_builtin): Call.
1764 (fold_builtin_bswap): New.
1765 (fold_builtin_1): Call.
1766 * fold-const.c (tree_expr_nonnegative_p): Return true
1768 * builtin-types.def (BT_UINT32): New.
1770 (BT_FN_UINT32_UINT32): Ditto.
1771 (BT_FN_UINT64_UINT64): Ditto.
1772 * builtins.def (BUILT_IN_BSWAP32): New.
1773 (BUILT_IN_BSWAP64): Ditto.
1774 * rtl.def (BSWAP): New.
1775 * genattrtab.c (check_attr_value): New.
1776 * libgcc2.c (__bswapSI2): New.
1777 (__bswapDI2): Ditto.
1778 * libgcc2.h (__bswapSI2): Declare.
1779 (__bswapDI2): Ditto.
1780 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1781 * simplify-rtx.c (simplify_const_unary_operation): Return
1783 * libgcc-std.ver (__bwapsi2): Add.
1784 (__bswapdi2): Ditto.
1785 * reload1.c (eliminate_regs_1): Add bswap.
1786 (elimination_effects): Ditto.
1787 * config/i386/i386.h (x86_bswap): New.
1788 (TARGET_BSWAP): Use.
1789 * config/i386/i386.c (x86_bswap): Set.
1791 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1793 * coverage.c (coverage_checksum_string): Update comment.
1794 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1795 of get_file_function_name.
1796 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1797 of get_file_function_name_long.
1798 * tree.c (get_file_function_name): Rename from
1799 get_file_function_name_long; improve comment; handle 'I' and 'D'
1800 specially when the target has ctor/dtor support; remove special
1802 (get_file_function_name): Remove.
1803 * tree.h (get_file_function_name): Rename from
1804 get_file_function_name_long.
1805 (get_file_function_name): Remove prototype.
1807 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1809 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1810 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1812 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1813 Call dsymutil when compiling and linking one or more source files
1816 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1819 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1821 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1823 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1824 inline static functions in c99 mode.
1827 * doc/extend.texi (Inline): Update.
1828 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1829 * c-decl.c (current_extern_inline): Delete.
1830 (pop_scope): Adjust test for an undefined nested function.
1831 Add warning about undeclared inline function.
1832 (diagnose_mismatched_decls): Update comments. Disallow overriding
1833 of inline functions in a translation unit in C99. Allow inline
1834 declarations in C99 at any time.
1835 (merge_decls): Boolize variables. Handle C99 'extern inline'
1837 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1838 C99 inline semantics.
1839 (start_function): Don't clear current_extern_inline. Don't set
1841 (c_push_function_context): Don't push current_extern_inline.
1842 (c_pop_function_context): Don't restore current_extern_inline.
1845 * c-typeck.c (build_external_ref): Warn about static variables
1846 used in extern inline functions.
1847 * c-decl.c (start_decl): Warn about static variables declared
1848 in extern inline functions.
1850 2006-10-31 Roger Sayle <roger@eyesopen.com>
1853 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1854 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1855 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1856 or y is an even integer.
1858 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1861 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1862 * gthr-posix95.h (__gthread_active_p): Likewise.
1864 2006-10-31 Richard Guenther <rguenther@suse.de>
1866 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1867 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1868 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1869 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1870 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1871 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1872 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1873 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1876 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1878 * opts.c (decode_options): Disable CSE skip blocks.
1880 2006-10-30 Dirk Mueller <dmueller@suse.de>
1882 * c-common.h (strict_aliasing_warning): Fix whitespace.
1883 * c-decl (start_function): Move code for main decl warning ..
1884 * c-common.c (check_main_parameter_types): .. here.
1885 * c-common.h (check_main_parameter_types): Declare.
1887 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1890 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1892 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1894 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1895 be a PARALLEL containing sets. Return false when out_pat is not
1898 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1900 * config/mips/mips.md (mul<mode>3): Split into...
1901 (mulsi3, muldi3): ...these separate patterns.
1903 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1905 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1906 but with each set of options separated by spaces.
1908 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1910 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1911 dwarf_reg_size_table has been initialized.
1913 2006-10-30 Roger Sayle <roger@eyesopen.com>
1915 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1916 * ddg.c (print_ddg_edge): Likewise.
1917 * dwarf2out.c (prune_unused_types_walk): Likewise.
1918 * ifcvt.c (noce_try_cmove_arith): Likewise.
1919 * langhooks.c (add_builtin_function): Likewise.
1920 * reg-stack.c (subst_stack_regs_pat): Likewise.
1921 * tree.c (expanded_location): Likewise.
1922 * tree-dump.c (dequeue_and_dump): Likewise.
1924 2006-10-30 David Daney <ddaney@avtrex.com>
1926 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1928 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1930 PR tree-optimization/29637
1931 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1932 of the innertype is the innertype itself.
1934 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1936 * dwarf2out.c (file_name_acquire): Correct typo.
1938 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1940 * tree.h (tree_value_handle): Remove struct value_set declaration.
1941 Change value_set to bitmap_set.
1942 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1943 * tree-vn.c (get_value_handle): Made inline and moved to
1945 * tree-flow-inline.h: (has_stmt_ann): New function.
1946 * tree-ssa-pre.c (expressions): New variable.
1947 (next_expression_id): Ditto.
1948 (alloc_expression_id): New function.
1949 (struct value_set): Remove.
1950 (get_expression_id): New function.
1951 (get_or_alloc_expression_id): Ditto.
1952 (expression_for_id): Ditto.
1953 (clear_expression_ids): Ditto.
1954 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1955 (bb_value_sets): Renamed to bb_bitmap_sets.
1956 All value sets replaced with bitmap_sets.
1958 (BB_VISITED): New macro.
1959 (postorder): New variable.
1960 (add_to_value): Removed.
1961 (value_exists_in_set_bitmap): Ditto.
1962 (value_insert_into_set_bitmap): Ditto.
1965 (set_remove): Ditto.
1966 (set_contains_value): Ditto.
1967 (insert_into_set): Ditto.
1969 (find_leader): Ditto.
1970 (bitmap_set_subtract_from_value_set): Ditto.
1971 (value_insert_into_set): Ditto.
1972 (print_value_set): Ditto.
1973 (debug_value_set): Ditto.
1974 (constant_expr_p): New function.
1975 (bitmap_remove_from_set): Ditto.
1976 (bitmap_insert_into_set): Ditto.
1977 (bitmap_set_free): Ditto.
1978 (vh_compare): Ditto.
1979 (sorted_array_from_bitmap_set): Ditto.
1980 (bitmap_set_subtract): Ditto.
1981 (bitmap_set_equal): Ditto.
1982 (debug_bitmap_set): Ditto.
1983 (find_leader_in_sets): Ditto.
1984 (bitmap_set_replace_value): Modify for bitmapped sets.
1985 (phi_translate): Ditto.
1986 (phi_translate_set): Ditto.
1987 (bitmap_find_leader): Ditto.
1988 (valid_in_sets): Ditto.
1989 (union_contains_value): Ditto.
1991 (compute_antic_aux): Ditto. Mark changed blocks.
1992 (compute_antic): Ditto. Iterate in postorder and only over
1994 (compute_rvuse_and_antic_safe): Reuse postorder.
1995 (create_component_ref_by_pieces): Modify for bitmapped sets.
1996 (find_or_generate_expression): Ditto.
1997 (create_expression_by_pieces): Ditto.
1998 (insert_into_preds_of_block): Ditto.
1999 (changed_blocks): New variable.
2000 (do_regular_insertion): Broken out from insert_aux.
2001 (insert_aux): Modified for bitmapped sets.
2002 (find_existing_value_expr): New function.
2003 (create_value_expr_from): Use it.
2004 (insert_extra_phis): Removed.
2005 (print_bitmap_set): Renamed from bitmap_print_value_set.
2006 (compute_avail): Handle RETURN_EXPR.
2007 (init_pre): Modify for bitmapped sets.
2008 * tree-flow.h (has_stmt_ann): New function.
2010 2006-10-29 Roger Sayle <roger@eyesopen.com>
2012 * builtins.c (fold_builtin_floor): Check for the availability of
2013 the C99 trunc function before transforming floor into trunc.
2015 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2017 * builtins.c (fold_builtin_hypot): Rearrange recursive
2018 transformation before others, and also do ABS_EXPR. When
2019 necessary, check flag_unsafe_math_optimizations. When necessary,
2022 2006-10-29 Roger Sayle <roger@eyesopen.com>
2024 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2025 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2026 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2027 Fold -X eq/ne -Y as X eq/ne Y.
2029 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2031 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2032 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2033 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2034 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2035 Use an inclusive test for "mult" rather than "mul".
2036 (rotr<mode>3): Depend on ISA_HAS_ROR.
2037 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2039 (GENERATE_MULT3_DI): Delete.
2040 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2041 (ISA_HAS_MUL3): New macro.
2042 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2043 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2044 (ISA_HAS_CLZ_CLO): Likewise.
2045 (ISA_HAS_DCLZ_DCLO): Delete.
2046 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2047 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2048 the VR4120 and VR4130.
2049 (ISA_HAS_MACCHI): Use consistent formatting.
2050 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2051 (ISA_HAS_ROR): ...this new macro.
2052 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2053 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2054 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2056 2006-10-29 Roger Sayle <roger@eyesopen.com>
2058 PR tree-optimization/15458
2059 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2062 2006-10-29 Richard Guenther <rguenther@suse.de>
2064 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2065 (ix86_expand_truncdf_32): Likewise.
2066 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2067 trunc inline for SSE math and -fno-trapping-math and if not
2068 optimizing for size.
2069 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2070 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2071 for expanding btrunc inline for SSE math.
2073 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2075 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2076 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2077 i[34567]86-*-solaris2.1[0-9]*.
2078 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2079 Define conditionally depending on TARGET_64BIT_DEFAULT.
2080 (SPEC_32, SPEC_64): Define.
2081 (LINK_SPEC): Use them.
2082 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2084 2006-10-29 Richard Guenther <rguenther@suse.de>
2086 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2087 (ix86_expand_rounddf_32): Likewise.
2088 * config/i386/i386.c (ix86_expand_round): New function expanding
2089 round inline for SSE math and -fno-trapping-math and if not
2090 optimizing for size.
2091 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2092 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2093 round via ix86_expand_round.
2095 2006-10-29 Richard Guenther <rguenther@suse.de>
2097 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2098 (ix86_expand_floorceildf_32): Likewise.
2099 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2100 static helper function.
2101 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2103 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2104 * config/i386/i386.md (floordf2): Adjust to enable floor
2105 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2106 -fno-trapping-math is enabled and if not optimizing for size.
2107 (floorsf2, ceildf2, ceilsf2): Likewise.
2108 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2109 (sse2_maskcmpdf3): Likewise.
2111 2006-10-29 Richard Guenther <rguenther@suse.de>
2113 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2114 rint in case -fno-trapping-math is enabled.
2115 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2116 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2117 (ix86_expand_sse_fabs): Likewise.
2118 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2119 * config/i386/i386.md (rintdf2): Enable for SSE math if
2120 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2121 (rintsf2): Likewise.
2123 2006-10-29 Richard Guenther <rguenther@suse.de>
2125 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2126 to conversion optabs.
2127 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2128 as conversion optab.
2129 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2130 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2131 (lfloor_optab, lceil_optab): Adjust defines.
2132 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2133 lfloor and lceil optabs now being conversion optabs.
2134 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2135 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2136 New static helper function.
2137 (ix86_expand_lfloorceil): New function to expand lfloor and
2139 * config/i386/i386.md (lfloor<mode>2): Split into ...
2140 (lfloorxf<mode>2): ... x87 variant
2141 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2142 using ix86_expand_lfloorceil.
2143 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2145 * doc/md.texi (lfloorMN, lceilMN): Document.
2147 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2149 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2150 -mno-shared assembler option on mips targets.
2151 * configure, config.in: Regenerate.
2152 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2153 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2154 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2156 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2158 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2159 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2161 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2163 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2164 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2167 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2170 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2171 (fold_builtin_pow): Evaluate constant arguments at compile-time
2173 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2174 (do_mpfr_ckconv): New helper function.
2175 (do_mpfr_arg1): Use do_mpfr_ckconv.
2176 (do_mpfr_arg2): New.
2178 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2181 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2182 (-fdump-rtl-sched): Rename to ..
2183 (-fdump-rtl-sched1): here. Also fix file extension number.
2185 2006-10-28 Richard Guenther <rguenther@suse.de>
2187 * fold-const.c (maybe_canonicalize_comparison): Fix code
2190 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2192 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2193 (NON_QI_REG_P): Use IN_RANGE.
2194 (REX_INT_REGNO_P): Use IN_RANGE.
2195 (FP_REGNO_P): Use IN_RANGE.
2196 (SSE_REGNO_P): Use IN_RANGE.
2197 (REX_SSE_REGNO_P): Use IN_RANGE.
2198 (MMX_REGNO_P): Use IN_RANGE.
2199 (STACK_REGNO_P): New macro.
2200 (STACK_REG_P): Use STACK_REGNO_P.
2201 (NON_STACK_REG_P): Use STACK_REGNO_P.
2202 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2203 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2204 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2205 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2206 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2208 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2210 * except.h (output_function_exception_table): Add 'const char*' param.
2211 * except.c (switch_to_exception_section): Add 'const char*' param.
2212 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2213 and flag_function_sections is set, use a function-specific section.
2214 (output_function_exception_table): Add 'const char*' param.
2215 Adjust call to switch_to_exception_section.
2216 * final.c (rest_of_handle_final): Adjust calls to
2217 output_function_exception_table.
2218 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2219 * config.in: Regenerate.
2220 * configure: Likewise.
2222 2006-10-28 Richard Guenther <rguenther@suse.de>
2225 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2226 for maybe_canonicalize_comparison.
2227 (maybe_canonicalize_comparison): New function for canonicalizing
2229 (fold_comparison): Call it to canonicalize comparisons with
2232 2006-10-28 Richard Guenther <rguenther@suse.de>
2235 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2236 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2237 (expand_builtin): Adjust likewise.
2238 * genopinit.c (optabs[]): Add lround optab.
2239 * optabs.c (init_optabs): Initialize lround_optab.
2240 * optabs.h (enum convert_optab_index): Add COI_lround.
2241 (lround_optab): Define.
2242 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2243 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2245 (ix86_expand_lround): New function.
2246 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2248 * doc/md.texi (lroundMN2): Document.
2250 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2253 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2254 argument to HOST_WIDE_INT. Update function prototype.
2255 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2256 "size" argument to HOST_WIDE_INT. Update function prototype.
2258 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2260 * config/i386/i386.c (output_387_ffreep): Create output from a
2261 template string for !HAVE_AS_IX86_FFREEP.
2263 2006-10-27 Eric Christopher <echristo@apple.com>
2265 * config/darwin.c: Fix formatting and grammar.
2267 2006-10-27 Jan Hubicka <jh@suse.cz>
2269 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2270 to be thrown away soon when IGNORE is set.
2271 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2272 indicating when return value shall not be computed.
2273 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2275 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2277 * config/i386/i386.h (TARGET_GEODE):
2278 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2279 (TARGET_CPU_DEFAULT_geode): New macro.
2280 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2281 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2282 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2283 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2284 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2286 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2287 (processor_type): Add PROCESSOR_GEODE.
2289 * config/i386/i386.md: Include geode.md.
2292 * config/i386/i386.c (geode_cost): New initialized global
2294 (m_GEODE, m_K6_GEODE): New macros.
2295 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2296 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2297 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2298 x86_schedule): Use m_K6_GEODE instead of m_K6.
2299 (x86_movx, x86_cmove): Set up m_GEODE.
2300 (x86_integer_DFmode_moves): Clear m_GEODE.
2301 (processor_target_table): Add entry for geode.
2302 (processor_alias_table): Ditto.
2304 * config/i386/geode.md: New file.
2306 * doc/invoke.texi: Add entry about geode processor.
2308 2006-10-27 Mike Stump <mrs@apple.com>
2310 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2311 __DYNAMIC__ from here back to ...
2312 * config/darwin.h (CPP_SPEC): ... here.
2314 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2315 Nathan Sidwell <nathan@codesourcery.com>
2317 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2318 when choosing the minimum heapsize.
2320 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2322 * gcc/unwind-dw2.h: Move cfa-related variables into
2323 struct frame_state_reg_info to ensure that the CFA is properly
2324 handled when executing DW_CFA_{remember,restore}_state.
2325 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2326 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2327 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2328 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2329 gcc/config/rs6000/linux-unwind.h,
2330 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2331 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2332 Modify to use new cfa_* fields.
2334 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2336 * config/s390/s390.c (s390_init_frame_layout): Check positive
2339 2006-10-26 Ben Elliston <bje@au.ibm.com>
2341 * gimplify.c (get_name): Remove extraneous break.
2342 (gimplify_omp_for): Initialise ret with GS_OK.
2344 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2346 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2347 Add unix98.o to link line.
2349 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2352 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2353 Calculate compile-time constants using MPFR.
2354 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2355 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2357 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2359 * config/xtensa/lib2funcs.S: Use C-style comments.
2361 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2363 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2364 (file_table_relative_p): Likewise.
2365 (dwarf2out_finish): Likewise.
2366 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2368 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2370 * tree-ssa-structalias.c (intra_create_variable_infos):
2371 Don't recreate nonlocal_all if it already exists.
2373 2006-10-25 Richard Guenther <rguenther@suse.de>
2376 * optabs.h (enum optab_index): Remove OTI_lrint.
2377 (enum convert_optab_index): Add COI_lrint.
2378 (lrint_optab): Adjust.
2379 (expand_sfix_optab): Declare.
2380 * optabs.c (expand_sfix_optab): New function.
2381 (init_optabs): Init lrint_optab as conversion optab.
2382 * genopinit.c (lrint_optab): Change to a conversion optab.
2383 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2384 expansion via conversion optab.
2385 * config/i386/i386.md (*fistdi2_1): Remove
2386 flag_unsafe_math_optimizations guard.
2387 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2388 fist<mode>2_with_temp): Likewise.
2389 (lrint<mode>2): Split into...
2390 (lrintxf<mode>2): ... x87 part
2391 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2392 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2393 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2394 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2395 * doc/md.texi (lrintMN2): Document.
2397 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2400 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2401 Use inc and dec instructions for TARGET_USE_INCDEC.
2402 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2403 ("sync_double_compare_and_swap<mode>"): Likewise.
2404 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2405 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2406 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2407 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2408 ("sync_old_add<mode>"): Likewise.
2409 ("sync_lock_test_and_set<mode>"): Likewise.
2410 ("sync_lock_test_and_set<mode>"): Likewise.
2411 ("sync_add<mode>"): Likewise.
2412 ("sync_sub<mode>"): Likewise.
2413 ("sync_ior<mode>"): Likewise.
2414 ("sync_and<mode>"): Likewise.
2415 ("sync_xor<mode>"): Likewise.
2417 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2419 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2420 (remainder_optab): Define corresponding macro.
2421 (drem_optab): Remove.
2422 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2423 drem_optab initialization.
2424 * genopinit.c (optabs): Implement remainder_optab using
2425 remainder?f3 patterns. Remove drem_optab.
2426 * builtins.c (expand_builtin_mathfn_2): Handle
2427 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2428 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2429 expand_builtin_mathfn_2.
2431 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2432 depend on flag_unsafe_math_optimizations.
2434 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2435 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2436 Do not depend on flag_unsafe_math_optimizations. Use
2437 truncxf?f expander instead of truncxf?f_i387_noop.
2439 ("fpremxf4", "fprem1xf4"): Do not depend on
2440 flag_unsafe_math_optimizations.
2441 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2442 flag_unsafe_math_optimizations. Use truncxf?f expander
2443 instead of truncxf?f_i387_noop.
2445 * doc/md.texi (fmod, remainder): Document standard named pattern.
2447 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2448 David Daney <ddaney@avtrex.com>
2451 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2453 2006-10-25 Ben Elliston <bje@au.ibm.com>
2455 * doc/extend.texi (Variable Attributes): Typo fix.
2457 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2459 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2460 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2461 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2462 (FRAME_POINTER_REGNUM): Update register number to 21.
2463 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2464 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2466 * config/i386/i386.c (regclass_map): Add fpcr entry.
2467 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2469 (print_reg): Assert REGNO (x) != FPCR_REG.
2471 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2472 (DIRFLAG_REG): Renumber.
2473 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2474 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2475 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2476 hardcoded SSE register numbers.
2478 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2479 hardcoded MMX register numbers.
2481 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2484 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2485 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2487 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2488 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2489 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2490 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2492 2006-10-24 Richard Guenther <rguenther@suse.de>
2495 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2496 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2497 for deciding optimizations in consistency with fold-const.c
2498 (fold_builtin_unordered_cmp): Likewise.
2500 2006-10-24 Richard Guenther <rguenther@suse.de>
2502 * builtins.c (fold_builtin_floor): Fold floor (x) where
2503 x is nonnegative to trunc (x).
2504 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2505 nonnegative to FIX_TRUNC_EXPR.
2507 2006-10-24 Richard Guenther <rguenther@suse.de>
2509 PR tree-optimization/29567
2510 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2511 for TRUTH_NOT_EXPR. Clarify comments.
2513 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2516 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2517 at compile-time using MPFR. Change parameter VALUE to FUNC,
2519 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2520 for overflow and underflow at all times and avoid folding in
2523 2006-10-24 Ben Elliston <bje@au.ibm.com>
2525 * reload1.c: Formatting fixes.
2527 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2529 PR tree-optimization/14784
2530 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2531 * tree-ssa-structalias.c (get_constraint_for,
2532 intra_create_variable_infos): Set is_heapvar.
2533 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2534 non-heapvar pointer variables specially.
2536 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2539 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2540 fold_builtin_tan): Fold all constant arguments. Take a "type"
2541 argument as necessary.
2542 (do_mpfr_arg1): New.
2543 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2545 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2547 * config/xtensa/lib1funcs.asm: Use C-style comments.
2549 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2551 * tree.c (local_define_builtin): Replace calls to
2552 lang_hooks.builtin_function with add_builtin_function.
2553 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2555 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2557 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2558 common code to add_builtin_function.
2559 * langhooks.c (add_builtin_function): New function.
2560 (lhd_builtin_function): New function.
2561 * langhooks.h (struct lang_hooks): Change the signature of
2563 (add_builtin_function): New function.
2564 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2565 calls to lang_hooks.builtin_function with add_builtin_function.
2566 * c-common.c (decl_builtin_1): Replace calls to
2567 lang_hooks.builtin_function with add_builtin_function.
2568 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2569 lang_hooks.builtin_function with add_builtin_function.
2570 * config/frv/frv.c (def_builtin): Replace calls to
2571 lang_hooks.builtin_function with add_builtin_function.
2572 * config/s390/s390.c (s390_init_builtins): Replace calls to
2573 lang_hooks.builtin_function with add_builtin_function.
2574 * config/sparc/sparc.c (def_builtin): Replace calls to
2575 lang_hooks.builtin_function with add_builtin_function.
2576 * config/i386/i386.c (def_builtin): Replace calls to
2577 lang_hooks.builtin_function with add_builtin_function.
2578 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2579 lang_hooks.builtin_function with add_builtin_function.
2580 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2581 lang_hooks.builtin_function with add_builtin_function.
2582 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2583 Replace calls to lang_hooks.builtin_function with
2584 add_builtin_function.
2585 * config/iq2000/iq2000.c (def_builtin):
2586 Replace calls to lang_hooks.builtin_function with
2587 add_builtin_function.
2588 * config/ia64/ia64.c (def_builtin): Replace calls to
2589 lang_hooks.builtin_function with add_builtin_function.
2590 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2591 lang_hooks.builtin_function with add_builtin_function.
2592 (altivec_init_builtins): Replace calls to
2593 lang_hooks.builtin_function with add_builtin_function.
2594 * config/arm/arm.c (def_mbuiltin): Replace calls to
2595 lang_hooks.builtin_function with add_builtin_function.
2596 (arm_init_tls_builtins): Replace calls to
2597 lang_hooks.builtin_function with add_builtin_function.
2598 * config/mips/mips.c (mips_init_builtins): Replace calls to
2599 lang_hooks.builtin_function with add_builtin_function.
2600 * config/bfin/bfin.c (def_builtin): Replace calls to
2601 lang_hooks.builtin_function with add_builtin_function.
2602 * langhooks-def.h (lhd_builtin_function): New function.
2603 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2605 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2607 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2608 BUILT_IN_STRNCAT_CHK.
2610 2006-10-23 Jan Hubicka <jh@suse.cz>
2612 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2613 don't do conversion from memmove to memcpy here.
2614 (expand_builtin_bcopy, expand_builtin): Update call of
2615 expand_builtin_memmove.
2616 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2618 2006-10-23 Paul Brook <paul@codesourcery.com>
2620 * stor-layout.c (start_record_layout): maximum_field_alignment
2621 overrides STRUCTURE_SIZE_BOUNDARY.
2623 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2625 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2626 nonlocal function symbols if flag_pic.
2628 2006-10-23 Richard Guenther <rguenther@suse.de>
2632 * builtins.c (fold_binary): Remove checks for flag_wrapv
2633 and flag_trapv where negate_expr_p covers these cases.
2635 2006-10-23 Richard Guenther <rguenther@suse.de>
2638 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2639 of two on the absolute value.
2640 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2641 and negating -C does not overflow.
2643 2006-10-23 Richard Guenther <rguenther@suse.de>
2646 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2647 only if not flag_rounding_math.
2649 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2650 Kaz Kojima <kkojima@gcc.gnu.org>
2653 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2654 SImode memory reference for the source of a movua.
2655 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2656 (movua): Use an unspec instead of sign_extract. Expect the source
2657 to have mode BLKmode.
2658 (extv, insv): Use a BLKmode rather than SImode memory reference
2659 for the source of a movua.
2661 2006-10-22 Jeff Law <law@redhat.com>
2662 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/15911
2665 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2666 (register_edge_assert_for_1): Likewise.
2667 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2668 (find_conditional_asserts): Adjust for new function signature.
2669 (find_assert_locations): Likewise.
2671 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2673 * config/i386/tmmintrin.h: Remove the duplicated content.
2675 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2677 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2678 (x86_64-*-*): Likewise.
2680 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2681 (override_options): Check SSSE3.
2682 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2683 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2684 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2685 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2686 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2687 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2688 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2689 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2690 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2691 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2692 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2693 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2694 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2695 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2696 IX86_BUILTIN_PABSD128.
2697 (bdesc_2arg): Add SSSE3.
2698 (bdesc_1arg): Likewise.
2699 (ix86_init_mmx_sse_builtins): Support SSSE3.
2700 (ix86_expand_builtin): Likewise.
2701 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2703 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2704 (UNSPEC_PSIGN): Likewise.
2705 (UNSPEC_PALIGNR): Likewise.
2706 Include mmx.md before sse.md.
2708 * config/i386/i386.opt: Add -mssse3.
2710 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2711 (ssse3_phaddwv4hi3): Likewise.
2712 (ssse3_phadddv4si3): Likewise.
2713 (ssse3_phadddv2si3): Likewise.
2714 (ssse3_phaddswv8hi3): Likewise.
2715 (ssse3_phaddswv4hi3): Likewise.
2716 (ssse3_phsubwv8hi3): Likewise.
2717 (ssse3_phsubwv4hi3): Likewise.
2718 (ssse3_phsubdv4si3): Likewise.
2719 (ssse3_phsubdv2si3): Likewise.
2720 (ssse3_phsubswv8hi3): Likewise.
2721 (ssse3_phsubswv4hi3): Likewise.
2722 (ssse3_pmaddubswv8hi3): Likewise.
2723 (ssse3_pmaddubswv4hi3): Likewise.
2724 (ssse3_pmulhrswv8hi3): Likewise.
2725 (ssse3_pmulhrswv4hi3): Likewise.
2726 (ssse3_pshufbv16qi3): Likewise.
2727 (ssse3_pshufbv8qi3): Likewise.
2728 (ssse3_psign<mode>3): Likewise.
2729 (ssse3_psign<mode>3): Likewise.
2730 (ssse3_palignrti): Likewise.
2731 (ssse3_palignrdi): Likewise.
2732 (abs<mode>2): Likewise.
2733 (abs<mode>2): Likewise.
2735 * config/i386/tmmintrin.h: New file.
2737 * doc/extend.texi: Document SSSE3 built-in functions.
2739 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2741 2006-10-22 Ira Rosen <irar@il.ibm.com>
2743 * tree-vect-transform.c (vectorizable_load): Use the type of the
2744 return value of the mask_for_load builtin to create realign_load
2747 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2749 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2752 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2754 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2755 (UNSPEC_LDDQU): This.
2756 * config/i386/sse.md (sse3_lddqu): Updated.
2758 2006-10-21 Richard Guenther <rguenther@suse.de>
2760 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2761 (expand_builtin): Use it to expand lrint instead of
2762 expand_builtin_mathfn.
2764 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2767 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2768 flag_unsafe_math_optimizations is set.
2770 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2773 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2774 patterns to use memory input operand in x87->mem->XMM
2775 reload sequences. Skip transformation for TARGET_K8.
2777 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2779 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2780 force operand1 to register if both operands are memory operands.
2781 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2782 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2783 if both operands are memory operands.
2784 (truncdfsf2): Do not force operand1 to register if both operands
2785 are memory operands.
2787 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2789 * Makefile.in (LIBS): Add $(GMPLIBS).
2790 * doc/install.texi: Update GMP and MPFR requirements.
2791 * doc/sourcebuild.texi (need_gmp): Delete.
2793 2006-10-21 Richard Guenther <rguenther@suse.de>
2795 PR tree-optimization/3511
2796 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2797 got new invariant arguments during PHI translation.
2799 2006-10-21 Richard Guenther <rguenther@suse.de>
2802 * fold-const.c (fold_comparison): Fold signed comparisons
2803 of the form X +- C1 CMP Y +- C2.
2805 2006-10-21 Richard Guenther <rguenther@suse.de>
2808 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2809 if flag_unsafe_math_optimizations is specified. We have
2810 flag_finite_math_only for that.
2811 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2812 or flag_unsafe_math_optimizations.
2814 2006-10-21 Richard Guenther <rguenther@suse.de>
2816 * builtins.c (fold_builtin_classify): Fix typo.
2818 2006-10-21 Richard Guenther <rguenther@suse.de>
2821 * simplify-rtx.c (simplify_const_relational_operation):
2822 Do not constant-fold ORDERED and UNORDERED for
2823 flag_unsafe_math_optimizations but only we do not need to
2824 honor NaNs for the given mode.
2826 2006-10-21 Richard Guenther <rguenther@suse.de>
2829 * config/i386/i386.c (classify_argument): Remove redundant
2830 walking of the BINFOs.
2831 (contains_128bit_aligned_vector_p): Likewise.
2833 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2835 * BASE-VER: Set to 4.3.0.
2837 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2839 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2840 (tree_decl_with_vis): Remove artificial_pta_var flag.
2841 * tree-flow.h (referenced_var_check_and_insert): Expose.
2842 (nonlocal_all): New prototype.
2843 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2844 (nonlocal_all): Make global.
2845 (nonlocal_lookup): Remove.
2846 (nonlocal_insert): Ditto.
2847 (create_nonlocal_var): Do not call nonlocal_insert.
2848 (get_nonlocal_id_for_type): Remove.
2849 (find_global_initializers): Mark new vars we find for renaming.
2850 (intra_create_variable_infos): Only create one nonlocal.
2851 (expand_nonlocal_solutions): Remove.
2852 (compute_points_to_sets): Don't call it.
2853 (ipa_pta_execute): Ditto.
2854 (init_alias_heapvars): Don't create nonlocal_for_type.
2855 (delete_alias_heapvars): Don't remove it.
2856 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2859 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2861 * doc/install.texi (Downloading GCC): Clarify mention of
2862 Fortran in the "full distribution" description.
2864 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2866 Fix PR tree-optimization/28778
2867 Fix PR tree-optimization/29156
2868 Fix PR tree-optimization/29415
2869 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2870 (tree_decl_with_vis): Add artificial_pta_var flag.
2871 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2872 pushed into callers.
2873 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2874 (nonlocal_all): Ditto.
2875 (struct variable_info): Add directly_dereferenced member.
2876 (var_escaped_vars): New variable.
2877 (escaped_vars_tree): Ditto.
2878 (escaped_vars_id): Ditto.
2879 (nonlocal_vars_id): Ditto.
2880 (new_var_info): Set directly_dereferenced.
2881 (graph_size): New variable
2882 (build_constraint_graph): Use graph_size.
2883 (solve_graph): Don't process constraints that cannot change the
2884 solution, don't try to propagate an empty solution to our
2886 (process_constraint): Set directly_dereferenced.
2887 (could_have_pointers): New function.
2888 (get_constraint_for_component_ref): Don't process STRING_CST.
2889 (nonlocal_lookup): New function.
2890 (nonlocal_insert): Ditto.
2891 (create_nonlocal_var): Ditto.
2892 (get_nonlocal_id_for_type): Ditto.
2893 (get_constraint_for): Allow results vector to be empty in the case
2894 of string constants.
2895 Handle results of calls properly.
2896 (update_alias_info): Update alias info stats on number and type of
2898 (find_func_aliases): Use could_have_pointers.
2899 (make_constraint_from_escaped): Renamed from
2900 make_constraint_to_anything, and changed to make constraints from
2902 (make_constraint_to_escaped): New function.
2903 (find_global_initializers): Ditto.
2904 (create_variable_info_for): Make constraint from escaped to any
2905 global variable, and from any global variable to the set of
2907 (intra_create_variable_infos): Deal with escaped instead of
2908 pointing to anything.
2909 (set_uids_in_ptset): Do type pruning on directly dereferenced
2911 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2912 (init_base_vars): Fix comment, and initialize escaped_vars.
2913 (need_to_solve): Removed.
2914 (find_escape_constraints): New function.
2915 (expand_nonlocal_solutions): Ditto.
2916 (compute_points_to_sets): Call find_escape_constraints and
2917 expand_nonlocal_solutions.
2918 (delete_points_to_sets): Don't fall off the end of the graph.
2919 (init_alias_heapvars): Initialize nonlocal_for_type and
2921 (delete_alias_heapvars): Free nonlocal_for_type and null out
2924 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2926 * fold-const.c (add_double): Rename to add_double_with_sign.
2927 Add 'unsigned_p' parameter and take it into account for the overflow.
2928 (mul_double): Rename to mul_double_with_sign.
2929 Add 'unsigned_p' parameter and take it into account for the overflow.
2930 (fold_div_compare): Call add_double_with_sign instead of add_double
2931 and mul_double_with_sign instead of mul_double, passing them the
2932 unsignedness of the type.
2933 * tree.h (add_double): Macroize.
2934 (add_double_with_sign): New prototype.
2935 (mul_double): Macroize.
2936 (mul_double_with_sign): New prototype.
2938 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2940 * config/score/crti.asm: New file.
2941 * config/score/crtn.asm: New file.
2942 * config/score/elf.h: New file.
2943 * config/score/mac.md: New file.
2944 * config/score/misc.md: New file.
2945 * config/score/mul-div.S: New file.
2946 * config/score/predicates.md: New file.
2947 * config/score/score7.md: New file.
2948 * config/score/score.c: New file.
2949 * config/score/score-conv.h: New file.
2950 * config/score/score.h: New file.
2951 * config/score/score.md: New file.
2952 * config/score/score-mdaux.c: New file.
2953 * config/score/score-mdaux.h: New file.
2954 * config/score/score-modes.def: New file.
2955 * config/score/score.opt: New file.
2956 * config/score/score-protos.h: New file.
2957 * config/score/score-version.h: New file.
2958 * config/score/t-score-elf: New file.
2959 * config.gcc: Add score*-*-* configurations(Update before).
2960 * doc/invoke.texi (Score Options): New section.
2961 * doc/md.texi (Score family): New section to document constraints.
2963 2006-10-19 Nick Clifton <nickc@redhat.com>
2965 * config/arm/arm.c: Fix spelling typo.
2967 2006-10-18 Tom Tromey <tromey@redhat.com>
2969 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2971 2006-10-18 Jan Hubicka <jh@suse.cz>
2974 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2977 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2979 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2980 TSI_SAME_STMT, since that's the desired entity.
2982 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2984 * config/s390/contraints.md: New file.
2985 * config/s390/s390-protos.h (s390_mem_constraint,
2986 s390_O_constraint_str, s390_N_constraint_str,
2987 s390_float_const_zero_p): Function prototypes added.
2988 * config/s390/s390.c (s390_extra_constraint_str,
2989 s390_const_double_ok_for_constraint_p,
2990 s390_const_ok_for_constraint_p): Functions removed.
2991 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2992 s390_float_const_zero_p): New functions.
2993 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2994 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2995 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2996 Macro definitions removed.
2997 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2998 s390_extra_constraint_str): Functions removed.
3000 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3001 Richard Sandiford <richard@codesourcery.com>
3004 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3005 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3007 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3009 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3010 (DWARF2_FRAME_REG_OUT): Likewise.
3011 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3012 (DWARF2_FRAME_REG_OUT): Likewise.
3014 2006-10-17 Paul Brook <paul@codesourcery.com>
3016 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3018 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3020 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3021 Standardize on "GNU Fortran" as the official name of the Fortran
3024 2006-10-16 Mike Stump <mrs@apple.com>
3026 * doc/invoke.texi (Darwin Options): Document -mkernel.
3027 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3029 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3030 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3031 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3032 (OS_MISSING_ALTIVEC): Add.
3033 * config/i386/i386.c (override_options): Add
3034 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3035 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3036 -mkernel, -static or -mdynamic-no-pic is given.
3037 (C_COMMON_OVERRIDE_OPTIONS): Add.
3038 * config/darwin.opt (fapple-kext): Add.
3040 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3041 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3043 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3044 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3045 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3046 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3047 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3048 (flag_mkernel): Add.
3049 (flag_apple_kext): Add.
3050 (TARGET_KEXTABI): Add.
3051 * config/darwin.c (darwin_handle_kext_attribute): Add.
3052 (DARWIN_VTABLE_P): Add.
3053 (darwin_binds_local_p): Add partial support for rebinding vtables
3055 (darwin_kextabi_p): Add.
3056 (darwin_override_options): Add.
3057 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3058 (darwin_kextabi_p): Add.
3059 (darwin_override_options): Add.
3060 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3061 __DYNAMIC__ and __STATIC__ here.
3063 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3065 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3066 Added mention of "make pdf" target, and Texinfo requirements for
3069 2006-10-16 DJ Delorie <dj@redhat.com>
3071 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3072 into the GOT in case we need a subreg of the address.
3074 2006-10-16 Richard Guenther <rguenther@suse.de>
3077 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3078 SSE builtin documentation. Document SSE2 builtins.
3080 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3082 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3083 symbol in the output file for non-shared links when -nostdlib or
3084 -nodefaultlibs isn't specified.
3086 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3087 posix thread support.
3089 2006-10-15 Jan Hubicka <jh@suse.cz>
3092 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3093 declared always_inline even when not inlining.
3095 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3096 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3097 Andrew Pinski <pinskia@gmail.com>
3100 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3102 2006-10-15 Jan Hubicka <jh@suse.cz>
3103 Richard Guenther <rguenther@suse.de>
3106 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3107 process_function_and_variable_attributes on all variables, including
3108 those discovered during cgraph construction phase.
3110 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3112 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3114 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3116 * config/i386/athlon.md (athlon_fist): Add fisttp.
3118 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3119 Ian Lance Taylor <ian@airs.com>
3122 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3123 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3126 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3128 * config/score/score.c, config/score/score.h: Fix comment
3131 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3134 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3137 2006-10-13 Eric Christopher <echristo@apple.com>
3139 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3141 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3144 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3145 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3146 alignment supported by 32-bit ELF.
3148 2006-10-13 Eric Christopher <echristo@apple.com>
3150 * config/darwin.c (darwin_emit_unwind_label): Strip
3151 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3153 2006-10-13 Richard Guenther <rguenther@suse.de>
3155 PR tree-optimization/29446
3156 * tree-vrp.c (fix_equivalence_set): Remove.
3157 (extract_range_from_assert): Do not call fix_equivalence_set.
3158 (debug_value_range): Print a newline.
3159 (compare_name_with_value): For equivalence sets with
3160 inconsistent value ranges conservatively bail out.
3161 (compare_names): Likewise.
3163 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3165 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3166 and MPFR for gfortran.
3168 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3170 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3171 alignment supported by 32-bit ELF.
3173 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3177 * c-typeck.c (digest_init): Always allow initializing vectors
3178 that have static storage duration with compound literals.
3179 * tree.c (build_type_attribute_qual_variant): New, based on
3180 build_type_attribute_variant.
3181 (build_type_attribute_variant): Rewrite using the former.
3182 (make_vector_type): Use build_type_attribute_qual_variant to build
3183 type variants. Use type_hash_canon on the others.
3185 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3186 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3188 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3190 2006-10-12 Jan Hubicka <jh@suse.cz>
3193 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3194 current_function_decl is set but current_function_scope is not.
3196 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3198 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3199 emit_insn to emit eh_return_internal instruction.
3200 (eh_return_internal): Explicitly set pc.
3202 2006-10-11 Richard Guenther <rguenther@suse.de>
3204 PR tree-optimization/28230
3205 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3206 to the correct place.
3208 2006-10-11 Richard Guenther <rguenther@suse.de>
3211 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3214 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3216 * configure.ac: Added pdf to "Make-hooks"
3217 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3218 targets and *.pdf file patterns in cleanup targets.
3219 * configure: Regenerated.
3221 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3223 * config/avr/predicates.md: New file.
3224 * config/avr/avr.md: Include it.
3225 (REG_SP): New constant.
3226 (peepholes): Use predicates.
3227 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3228 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3229 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3231 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3233 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3236 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3239 * builtins.c (var_decl_component_p): New function.
3240 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3241 single entry optimization to variables and components thereof.
3243 2006-10-10 Richard Guenther <rguenther@suse.de>
3245 PR rtl-optimization/29323
3246 * except.c (set_nothrow_function_flags): For functions
3247 that do not bind local bail out early.
3249 2006-10-10 Ben Elliston <bje@au.ibm.com>
3251 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3254 2006-10-09 Richard Henderson <rth@redhat.com>
3256 Revert emutls patch.
3258 2006-10-09 Richard Guenther <rguenther@suse.de>
3261 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3264 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3267 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3268 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3269 * configure: Regenerate.
3270 * config.in: Regenerate.
3272 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3274 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3276 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3278 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3279 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3280 Remove stray newline.
3282 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3284 * config/mips/mips.c (mips_classify_symbol): Do not return
3285 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3286 (mips_in_small_data_p): Tweak comments.
3288 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3290 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3292 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3294 * gimplify.c, sched-int.h: Fix comment typos.
3296 * sched-int.h: Fix comment typos.
3298 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3300 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3302 * sched-ebb.c (begin_schedule_ready): Use them.
3303 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3304 add_to_speculative_block, create_check_block_twin, speculate_insn,
3305 fix_jump_move, move_block_after_check): Ditto.
3306 * sched-rgn.c (new_ready): Ditto.
3308 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3310 PR rtl-optimization/29128
3311 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3312 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3313 allow interblock movement of speculation checks.
3315 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3318 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3319 casted to integer type.
3320 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3321 if they are significantly more expensive than [reg + index] ones.
3323 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3325 PR tree-optimization/29330
3326 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3327 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3328 on newly allocated ddrs.
3329 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3330 to VEC (loop_p, heap) pointer.
3331 (compute_data_dependences_for_loop): Adjust caller.
3332 (free_dependence_relations): Free DDR_LOOP_NEST.
3334 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3335 free DEPENDENCE_RELATIONS and DATAREFS.
3338 * builtins.c (expand_builtin_sync_operation,
3339 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3340 Use convert_to_mode to handle promoted arguments.
3342 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3344 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3346 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3348 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3350 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3352 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3353 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3354 Use <modeconstraint> instead of "r" as operand 1 constraint.
3356 2006-10-06 Olivier Hainque <hainque@adacore.com>
3358 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3359 Don't recurse on the pointed-to type.
3360 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3361 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3362 types with components of variable size.
3364 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3366 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3368 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3370 PR tree-optimization/29290
3371 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3375 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3376 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3379 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3380 the number of vector elements fill the rest with zeros.
3382 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3384 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3385 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3388 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3390 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3391 unnamed pattern into subsi3. Use correct constraints/predicates.
3392 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3393 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3395 2006-10-05 Ira Rosen <irar@il.ibm.com>
3397 * doc/loop.texi: Add data references analysis description.
3399 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3401 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3403 2006-10-04 Richard Henderson <rth@redhat.com>
3404 Jakub Jelinek <jakub@redhat.com>
3406 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3407 * builtin-types.def (BT_WORD): Make unsigned.
3408 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3409 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3410 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3411 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3412 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3413 * cgraph.c (decide_is_variable_needed): Look at force_output.
3414 Recurse for emulated tls.
3415 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3416 checks redundant with decide_is_variable_needed.
3417 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3418 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3420 * expr.c (emutls_var_address): New.
3421 (expand_expr_real_1): Expand emulated tls.
3422 (expand_expr_addr_expr_1): Likewise.
3423 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3424 * output.h (emutls_finish): Declare.
3425 * toplev.c (compile_file): Call it.
3426 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3427 address before wrapping in CONST.
3428 * varasm.c (emutls_htab, emutls_object_type): New.
3429 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3430 (get_emutls_object_name, get_emutls_object_type): New.
3431 (get_emutls_init_templ_addr, emutls_decl): New.
3432 (emutls_common_1, emutls_finish): New.
3433 (assemble_variable): When emulating tls, swap decls; generate
3434 constructor for the emutls objects.
3435 (do_assemble_alias): When emulating tls, swap decl and target name.
3436 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3438 * emutls.c: New file.
3439 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3440 tls_object for real tls.
3442 2006-10-04 Zack Weinberg <zackw@panix.com>
3444 Fix bug in constraint-check generator, reported by Rask Ingemann
3446 * genpreds.c (add_constraint): Don't remove anything from the
3448 (write_tm_constrs_h): Detect whether "op" argument is used, and
3449 mark it ARG_UNUSED if it isn't.
3450 (write_insn_const_int_ok_for_constraint): Skip the part of the
3451 expression that would test whether "op" (which is not available
3452 here) is a CONST_INT.
3454 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3457 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3459 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3461 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3462 current Leopard versions.
3463 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3465 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3467 * doc/install.texi: Fix typos.
3469 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3471 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3472 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3473 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3475 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3477 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3478 arg to be struct mach_header_64* instead.
3480 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3483 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3484 side effects after the outer expression's post side effects.
3486 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3488 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3489 comments to reflect actual behavior and relationship between
3490 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3492 * doc/c-tree.texi (Working with declarations): Fix documentation
3493 of FIELD_DECL likewise.
3495 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3498 * doc/extend.texi: Add used variable attribute description.
3500 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3503 * c.opt (Woverride-init): New.
3504 * c-opts.c (c_common_post_options): Default warn_override_init to
3506 * c-typeck.c (add_pending_init, output_init_element): Warn for
3507 overriding initializers without side effects.
3508 * doc/invoke.texi (-Woverride-init): Document.
3511 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3513 PR rtl-optimization/28096
3514 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3515 assignment has already been used as a destination earlier in the block.
3517 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3519 * builtins.c (expand_builtin_setjmp): Delete.
3520 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3521 <BUILT_IN_SETJMP_SETUP>: New case.
3522 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3523 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3524 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3525 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3526 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3527 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3528 (lower_function_body): Initialize it to false. If it is set to true
3529 at the end of the processing, emit the setjmp dispatcher.
3530 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3531 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3532 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3533 on the rhs of the assignment.
3534 (lower_builtin_setjmp): New function.
3535 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3536 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3537 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3538 to detect calls that can go to non-local labels. Use specific
3539 helper to create the abnormal edges associated with them.
3540 <MODIFY_EXPR>: Likewise.
3541 (make_abnormal_goto_edges): New function extracted from...
3542 (make_goto_expr_edges): ...here. Call it for computed gotos.
3543 (simple_goto_p): Minor tweak.
3544 (tree_can_make_abnormal_goto): New predicate.
3545 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3546 (tree_purge_dead_abnormal_call_edges): New function.
3547 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3548 (tree_purge_dead_abnormal_call_edges): Likewise.
3549 (make_abnormal_goto_edges): Likewise.
3550 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3551 Purge all dead abnormal edges if the call was in the last statement.
3552 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3553 (execute_fixup_cfg): If there are non-local labels in the function,
3554 scan the basic blocks and split them at calls that can go to non-local
3555 labels or add missing abnormal call edges. Write down the CFG in the
3557 (pass_fixup_cfg): Remove TODO_dump_func flag.
3558 * unwind-sjlj.c: Poison setjmp.
3559 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3560 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3561 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3562 (DONT_USE_BUILTIN_SETJMP): Document it.
3564 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3567 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3568 to 1 when __ppc64__ is defined.
3569 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3571 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3573 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3575 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3576 * config/ia64/unwind-hpux.c: Delete.
3578 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3580 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3581 on the element before gimplifying it, instead of punting if it is of
3584 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3586 * doc/loop.texi: New file.
3587 * doc/gccint.texi: Reference loop.texi.
3588 * Makefile.in (loop.texi): Add.
3590 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3592 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3594 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3595 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3597 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3599 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3601 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3603 * doc/install.texi: Document required versions of GMP and MPFR.
3605 2006-09-27 Paul Brook <paul@codesourcery.com>
3608 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3610 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3612 * reload1.c (alter_reg): Require the alignment of the stack slot to
3613 be at least reg_max_ref_width bytes.
3614 (scan_paradoxical_subregs): Record the largest width in
3617 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3621 * tree-nested.c (struct nesting_info): Added static_chain_added.
3622 (convert_call_expr): Set static_chain_added when adding static
3623 chain. Handle OMP_PARALLEL and OMP_SECTION.
3625 2006-09-25 Matthias Klose <doko@debian.org>
3627 * doc/invoke.texi: Add missing full stop.
3629 2006-09-25 Richard Henderson <rth@redhat.com>
3631 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3632 before cgraph_function_flags_ready.
3634 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3635 Adam Nemet <anemet@caviumnetworks.com>
3637 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3638 determine_common_wider_type): New functions.
3639 (get_computation_aff): Use them to simplify arithmetic between
3640 UBASE and CBASE if they are shortened from the same type.
3642 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3645 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3646 -2147483647 - 1 instead of 0x80000000.
3648 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3650 * flags.h (HONOR_NANS): Fix typo in comment.
3652 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3654 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3656 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3660 * tree.c (merge_attributes, attribute_list_contained): If both
3661 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3663 * c-typeck.c (comptypes_internal): Don't consider aggregates
3664 in different TUs as compatible if there one set of attributes is
3665 not a subset of the other type's attributes.
3666 (composite_type): Try harder not to create a new aggregate type.
3668 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3670 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3671 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3672 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3673 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3674 than replicating condition above.
3675 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3677 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3678 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3679 the linker by default.
3681 2006-09-22 Mike Stump <mrs@apple.com>
3683 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3686 2006-09-22 Richard Guenther <rguenther@suse.de>
3689 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3690 sort of stack variables stable.
3692 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3695 * explow.c (force_reg): Set REG_POINTER flag according to
3698 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3700 PR tree-optimization/28888
3701 * tree-if-conv.c (combine_blocks): Rewritten.
3702 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3703 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3705 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3707 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3710 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3712 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3714 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3716 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3718 2006-09-21 Roger Sayle <roger@eyesopen.com>
3721 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3722 dw_fde_current_label, to be the start of the function, i.e. the same
3723 value as dw_fde_begin.
3725 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3727 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3728 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3729 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3730 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3731 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3732 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3733 (abs<mode>2, neg<mode>2): Likewise.
3734 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3735 (*mips_abs_ps): New define_insn.
3737 2006-09-20 Josh Conner <jconner@apple.com>
3740 * calls.c (expand_call): Allow reuse of structure return stack
3743 2006-09-20 Paul Brook <paul@codesourcery.com>
3745 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3748 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3750 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3751 clean up terminology.
3753 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3756 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3757 with tablejumps in them.
3759 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3762 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3763 wrap it into TARGET_EXPR.
3765 2006-09-20 Eric Christopher <echristo@apple.com>
3767 * config/i386/i386.c (x86_fisttp): Remove.
3768 * config/i386/i386.h (x86_fisttp): Ditto.
3769 (TARGET_FISTTP): Ditto.
3771 2006-09-19 Eric Christopher <echristo@apple.com>
3773 * doc/tm.texi (OBJC_JBLEN): Describe.
3774 * config/i386/darwin.h (OBJC_JBLEN): Define.
3775 * config/rs6000/darwin.h: Ditto.
3777 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3779 PR rtl-optimization/21299
3780 * reload1.c (reload): Purge invalid ASMs in the final pass.
3782 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3785 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3786 pointers as legitimate constants.
3788 2006-09-19 Paul Brook <paul@codesourcery.com>
3791 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3793 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3795 PR tree-optimization/28887
3796 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3797 component parts from the reference.
3798 (gather_memory_references_ref): Record the reference without the
3799 nonaddressable component parts.
3801 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3804 * c-opts.c (c_common_handle_option): Ignore the -std options
3805 if the input language is assembly.
3807 2006-09-17 Ira Rosen <irar@il.ibm.com>
3810 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3812 (ptr_ptr_may_alias_p): Likewise.
3813 (record_record_differ_p): New function.
3814 (base_object_differ_p): Call record_record_differ_p.
3816 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3819 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3820 away for the expr argument.
3822 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3825 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3826 before using it for dumping after vectorizing loops.
3828 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3829 Jack Howarth <howarth@bromo.med.uc.edu>
3832 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3833 skip on error_mark_node.
3834 (rs6000_darwin64_record_arg_recurse): Likewise.
3836 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3838 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3839 * doc/rtl.texi: Remove related documentation.
3841 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3843 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3846 2006-09-15 Jim Wilson <wilson@specifix.com>
3848 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3849 Handle symbol offsets same as they are handled in ia64_expand_move
3852 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3854 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3855 Add forgotten parameter to the fprintf call.
3857 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3859 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3861 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3863 * doc/contrib.texi: Add my entry.
3865 2006-09-15 Nick Clifton <nickc@redhat.com>
3867 * doc/md.texi (Processor pipeline description): Fix typo in
3868 example of how to use the absence_set directive and reword the
3869 description to make it slightly easier to read.
3871 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3873 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3874 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3875 expanding the number of iterations.
3876 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3878 * cfgrtl.c (emit_insn_at_entry): New function.
3879 * rtl.h (emit_insn_at_entry): Declare it.
3880 * integrate.c (emit_initial_value_sets): Use it.
3882 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3884 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3886 (struct loop_work and related VEC declarations): Delete.
3887 (bfin_dump_loops): Print out new member bad.
3888 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3889 (bfin_scan_loop): Don't recurse.
3890 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3891 loops. No longer need to update outer loops if the current one is
3892 found bad. Move some validitiy checks to bfin_discover_loop.
3893 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3894 but changed not to check for nesting. Also changed to use the new bad
3896 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3897 time. Use bitmap based test to discover loop nesting.
3899 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3901 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3904 2006-09-14 Richard Guenther <rguenther@suse.de>
3905 Kazu Hirata <kazu@codesourcery.com>
3907 PR middle-end/28884.
3908 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3909 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3910 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3911 with TARGET_FUNCTION_VALUE.
3913 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3916 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3918 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3920 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3923 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3926 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3929 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3931 * basic_block.h (bb_has_eh_pred): Fix comment.
3933 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3935 * flow.c (calculate_global_regs_live): Invalidate eh registers
3936 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3937 (propagate_block): Handle eh registers as if they were set at basic
3939 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3941 * global.c (global_conflicts): Make eh registers to conflict with
3942 pseudos live at basic block begin.
3943 * basic_block.h (bb_has_eh_pred): New function.
3945 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3947 PR rtl-optimization/28982
3948 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3949 index of a PRE_MODIFY or POST_MODIFY address.
3950 * reload1.c (inc_for_reload): Use find_replacement on the original
3951 base and index registers.
3953 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3955 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3956 for -Os. Update __m128 alignment requirement.
3958 2006-09-13 Jan Hubicka <jh@suse.cz>
3960 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3962 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3964 PR rtl-optimization/28243
3965 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3966 the insn to which the note was originally attached.
3968 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3969 Roger Sayle <roger@eyesopen.com>
3971 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3972 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3973 on platforms that don't use dwarf for debug info.
3975 2006-09-12 Jason Merrill <jason@redhat.com>
3978 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3979 hard_frame_pointer_rtx after using it to update the frame pointer.
3981 2006-09-12 Roger Sayle <roger@eyesopen.com>
3983 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3984 (TARGET_ASM_CLOSE_PAREN): Likewise.
3985 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3986 (TARGET_ASM_CLOSE_PAREN): Likewise.
3988 2006-09-12 Roger Sayle <roger@eyesopen.com>
3991 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3992 frame information for frames larger than 512 Kbytes on Tru64 when
3993 using the native assembler.
3995 2006-09-12 Roger Sayle <roger@eyesopen.com>
3999 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4000 and symbols. Instead use the implementation from cse.c's hash_rtx.
4002 2006-09-12 Jan Hubicka <jh@suse.cz>
4004 PR rtl-optimization/28071
4005 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4006 (vect_transform_loop): Likewise.
4007 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4008 (new_loop_vec_info): Likewise.
4009 (destroy_loop_vec_info): Likewise.
4010 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4011 (create_stmt_ann): Likewise.
4012 (create_tree_ann): Rename to ...
4013 (create_tree_common_ann): ... this one; allocate only the common part
4015 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4016 (get_value_handle): Likewise.
4017 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4018 get_tree_common_ann.
4019 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4020 (vinfo_for_stmt): Use stmt annotations.
4021 * tree-flow.h (tree_ann_common_t): New type.
4022 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4023 (tree_ann, get_tree_ann, create_tree_ann): New.
4024 * tree-flow-inline.h (get_function_ann): Do more type checking.
4025 (stmt_ann): Likewise.
4026 (tree_ann): Rename to ...
4027 (tree_common_ann): ... this one; return ony common_ann
4028 (get_tree_ann): Rename to ...
4029 (tree_common_ann): This one; return only common_ann.
4030 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4033 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4035 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4036 with_cpu by default.
4038 * dwarf2out.c (dwarf_file_data): New.
4039 (enum dw_val_class): Add dw_val_class_file.
4040 (struct dw_val_struct): Add val_file.
4041 (file_table): Change to a hash table.
4042 (file_table_emitted): Delete.
4043 (file_table_last_lookup_index): Delete.
4044 (emitcount): Delete.
4045 (last_emitted_file): New.
4046 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4047 (init_file_table): Delete.
4048 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4049 (AT_addr): Add comment.
4053 (print_die): Handle dw_val_class_file.
4054 (print_dwarf_line_table): Update for new file table structure.
4055 (attr_checksum): Do checksum a filename.
4056 (same_dw_val_p, same_attr_p): Do compare a filename.
4057 (size_of_die): Handle dw_val_class_file.
4058 (value_format): Likewise.
4059 (output_die): Likewise. Also, call maybe_emit_file here.
4060 (struct file_info): Constify filenames. Make file_idx a pointer
4061 to a struct dwarf_file_data.
4062 (struct dir_info): Constify directory names. Remove 'used' field.
4063 (struct file_name_acquire_data): New.
4064 (file_name_acquire): New.
4065 (output_file_names): Modify to handle new file data structures.
4066 (add_src_coords_attributes): Use add_AT_file.
4067 (add_call_src_coords_attributes): Likewise.
4068 (dwarf2out_imported_module_or_decl): Likewise.
4069 (gen_subprogram_die): Modify for new file data structures.
4070 (gen_variable_die): Likewise.
4071 (file_table_eq): New.
4072 (file_table_hash): New.
4073 (file_table_last_lookup): New.
4074 (lookup_filename): Rewrite to handle new file data structures.
4075 (maybe_emit_file): Rewrite to handle new file data structures.
4076 (dwarf2out_source_line): Always call lookup_filename and
4078 (dwarf2out_init): Create file_table here.
4079 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4080 (file_table_relative_p): New.
4081 (dwarf2out_finish): Change detection of relative filenames
4082 to work with new file data structures. Move output_line_info call
4083 after debug_info output.
4085 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4090 * config/i386/i386.c (override_options): Always default to 16
4091 byte stack boundary.
4093 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4096 * var-tracking.c (dump_dataflow_set): Start dumping at
4098 (clobber_variable_part): Kill only the variable part in
4099 registers holding it, leaving other variables alone.
4101 2006-09-11 Josh Triplett <josh@freedesktop.org>
4103 * doc/extend.texi (Other Builtins): Actually use the macro
4104 argument in the documentation example for
4105 __builtin_types_compatible_p.
4107 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4109 PR rtl-optimization/28726
4110 * sched-deps.c (sched_analyze_reg): New function extracted from...
4111 (sched_analyze_1): ...here. Call it to analyze references to
4112 registers. Treat again writes to a stack register as writing to the
4114 (sched_analyze_2): ...and here. Call it to analyze references to
4115 registers. Treat again reads of a stack register as reading the
4118 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4119 David Edelsohn <edelsohn@gnu.org>
4122 * config/rs6000/spe.md (frob_df_di): Remove %H.
4123 (frob_di_df): Remove %H. Change evmergelo to mr.
4124 (frob_di_df_2): Remove %H. Change evldd to two loads.
4126 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4128 * doc/cpp.texi: Fix names of charset options.
4130 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4133 * config/i386/i386.c (override_options): Use 128-bit
4134 stack boundary always for 64bits.
4136 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4138 PR rtl-optimization/28636
4139 * combine.c (force_to_mode): Test for side-effects before
4140 substituting by zero.
4141 (simplify_shift_const): Likewise for zero or other constants.
4143 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4146 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4149 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4152 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4153 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4154 returned by mode_for_size, rather than the mode of src itself,
4155 to choose between 32-bit and 64-bit patterns.
4156 (mips_mem_fits_mode_p): New function.
4157 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4158 that the size of the source matches the size of the destination.
4159 (mov_<store>l, mov_<store>r): Likewise.
4161 2006-09-10 Eric Christopher <echristo@apple.com>
4163 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4166 2006-09-09 Eric Christopher <echristo@apple.com>
4169 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4172 2006-09-09 Roger Sayle <roger@eyesopen.com>
4173 Nicolas Setton <setton@adacore.com>
4175 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4177 2006-09-10 Andreas Schwab <schwab@suse.de>
4179 * config/m68k/m68k.md (bungt_rev): New pattern.
4181 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4182 Dale Johannesen <dalej@apple.com>
4185 * regclass.c (struct reg_pref): Update documentation.
4186 (regclass): Set prefclass to NO_REGS if memory is the best option.
4187 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4189 2006-09-08 Eric Christopher <echristo@apple.com>
4191 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4192 * config/t-slibgcc-darwin: Support x86_64 multilib.
4193 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4194 Return 1 for x86_64-darwin.
4195 * config/i386/t-darwin: Add m64 multilib.
4196 (LIB2_SIDITI_CONV_FUNCS): Use.
4197 (LIB2FUNCS_EXTRA): Ditto.
4198 * config/i386/darwin.h: Support x86_64.
4199 * config/i386/i386.c (override_options): Turn on flag_pic
4200 for x86_64-darwin. Disable flag_omit_pointer.
4201 (get_pc_thunk_name): Assert !TARGET_64BIT.
4202 (legitimate_address_p): Disable machopic addressing for
4204 (legitimize_pic_address): Ditto.
4205 (ix86_expand_move): Ditto.
4206 (ix86_expand_call): Ditto.
4207 (machopic_output_stub): Ditto.
4208 * config/darwin.c (machopic_select_section): Support literal16.
4209 (machopic_select_rtx_section): Ditto.
4210 * config/darwin-sections.def: Ditto.
4211 * config/darwin-64.c: New.
4213 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4216 * c-tree.h (struct c_arg_info): Add pending_sizes.
4217 * c-parser.c (c_parser_parms_declarator,
4218 c_parser_parms_list_declarator): Initialize pending_sizes.
4219 * c-decl.c (get_parm_info): Initialize pending_sizes.
4220 (get_parm_info): Set pending_sizes.
4221 (grokdeclarator): Call put_pending_sizes for parameters for
4222 function definition only.
4224 2006-09-07 Jason Merrill <jason@redhat.com>
4227 * varasm.c (output_constant): Only strip actual no-op conversions.
4230 * config/i386/i386.c (override_options): Use 128-bit
4231 stack boundary if -msse.
4233 2006-09-07 Eric Christopher <echristo@apple.com>
4235 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4237 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4240 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4242 * dwarf2out.c: Remove strange characters from comment above
4243 dwarf2out_frame_debug_expr.
4245 2006-09-07 Eric Christopher <echristo@apple.com>
4247 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4248 * config/darwin.h: ... to here.
4250 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4252 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4254 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4255 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4257 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4258 TARGET_PARTIAL_FLAG_REG_STALL.
4259 (*ashldi3_cconly_rex64): Likewise.
4260 (*ashlsi3_cmp): Likewise.
4261 (*ashlsi3_cconly): Likewise.
4262 (*ashlsi3_cmp_zext): Likewise.
4263 (*ashlhi3_cmp): Likewise.
4264 (*ashlhi3_cconly): Likewise.
4265 (*ashlqi3_cmp): Likewise.
4266 (*ashlqi3_cconly): Likewise.
4267 (*ashrdi3_cmp_rex64): Likewise.
4268 (*ashrdi3_cconly_rex64): Likewise.
4269 (*ashrsi3_cmp): Likewise.
4270 (*ashrsi3_cconly): Likewise.
4271 (*ashrsi3_cmp_zext): Likewise.
4272 (*ashrhi3_cmp): Likewise.
4273 (*ashrhi3_cconly): Likewise.
4274 (*ashrqi3_cmp): Likewise.
4275 (*ashrqi3_cconly): Likewise.
4276 (*lshrdi3_cmp_rex64): Likewise.
4277 (*lshrdi3_cconly_rex64): Likewise.
4278 (*lshrsi3_cmp): Likewise.
4279 (*lshrsi3_cconly): Likewise.
4280 (*lshrsi3_cmp_zext): Likewise.
4281 (*lshrhi3_cmp): Likewise.
4282 (*lshrhi3_cconly): Likewise.
4283 (*lshrqi2_cmp): Likewise.
4284 (*lshrqi2_cconly): Likewise.
4286 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4289 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4290 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4291 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4292 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4293 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4294 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4295 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4296 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4297 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4298 implement only CC setting effects of shift instructions.
4300 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4302 * doc/contrib.texi: Add myself.
4304 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4307 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4308 was set by the user.
4310 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4313 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4314 (divsi_inv_m1): Use them.
4315 (UNSPEC_DIV_INV_TABLE): New constant.
4317 2006-09-06 James E Wilson <wilson@specifix.com>
4320 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4321 then call count_or_remove_death_notes.
4323 2006-09-06 Jason Merrill <jason@redhat.com>
4326 * tree-inline.c (copy_result_decl_to_var): New fn.
4327 (declare_return_variable): Use it. Call declare_inline_vars here.
4328 (expand_call_inline): Not here.
4330 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4332 * doc/contrib.texi: Update my entry.
4334 2006-09-06 Nick Clifton <nickc@redhat.com>
4336 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4338 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4341 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4342 (canonicalize_induction_variables): Likewise.
4343 (tree_unroll_loops_completely): Likewise.
4344 (tree_ssa_prefetch_arrays): Likewise.
4345 (remove_empty_loops): Likewise.
4346 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4347 TODO_cleanup_cfg instead of directly calling
4348 cleanup_tree_cfg_loop.
4349 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4351 (tree_unroll_loops_completely): Likewise.
4352 (remove_empty_loops): Likewise.
4353 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4354 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4355 of tree_ssa_unswitch_loops.
4356 (tree_ssa_loop_ivcanon): Use the return value of
4357 canonicalize_induction_variables.
4358 (tree_ssa_empty_loop): Use the return value of
4360 (tree_complete_unroll): Use the return value of
4361 tree_unroll_loops_completely.
4362 (tree_ssa_loop_prefetch): Use the return value of
4363 tree_ssa_prefetch_arrays.
4364 * passes.c (execute_todo): Before Cleanup CFG, set
4365 updating_used_alone and after cleanup CFG, call
4366 recalculate_used_alone.
4368 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4371 * tree-vect-transform.c (vectorizable_condition): Move the check
4372 for the type after the check for simple condition.
4374 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4375 Kaz Kojima <kkojima@gcc.gnu.org>
4378 * mode-switching.c (optimize_mode_switching): Make the destination
4379 block of an abnormal edge have no anticipatable mode. Don't
4380 insert mode switching code at the end of the source block of
4383 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4385 PR rtl-optimization/26847
4386 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4387 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4388 (simplify_plus_minus): Count n_constants while filling ops. Replace
4389 qsort with insertion sort. Before going through the array to simplify
4390 pairs, sort it. Delay early exit until after the first sort, exiting
4391 only if no swaps occurred. Simplify pairs in reversed order, without
4392 special-casing the first iteration. Pack ops after simplifying pairs.
4394 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4396 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4397 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4398 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4399 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4401 2006-09-05 Richard Guenther <rguenther@suse.de>
4403 PR tree-optimization/28900
4404 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4405 compound conditional before creating COND_EXPR condition.
4407 2006-09-05 Richard Guenther <rguenther@suse.de>
4409 PR tree-optimization/28905
4410 * tree-vrp.c (fix_equivalence_set): Manually implement
4411 !value_ranges_intersect_p to also handle symbolic ranges.
4413 2006-09-05 Richard Guenther <rguenther@suse.de>
4416 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4419 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4421 PR rtl-optimization/27616
4422 * cse.c (table_size): New static variable.
4423 (new_basic_block): Initialize it to 0.
4424 (remove_from_table): Decrement it.
4425 (insert): Increment it.
4426 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4427 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4428 fold_rtx_mem_1 if under the cap.
4429 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4430 the lookup of the equivalent expression and test for equality of the
4431 first operand of the equivalent expression before in turn looking up
4432 an equivalent constant for the second operand.
4434 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4437 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4438 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4439 pointer, instead of assuming it is possible to derive the
4440 correct args size from a call insn.
4442 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4445 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4446 (fold_builtin_mempcpy): Rename to...
4447 (fold_builtin_memory_op): ... this. Optimize one element copy
4449 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4451 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4452 (expand_builtin_memcpy, expand_builtin_mempcpy,
4453 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4454 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4455 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4456 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4458 2006-09-01 DJ Delorie <dj@redhat.com>
4460 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4461 (stzx_16): Likewise.
4462 ("stzx_24_<mode>"): Likewise.
4463 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4464 ("cmp<mode>_op"): New.
4465 (cmp<mode>): Change to expander; just save operands.
4467 (b<code>): Change to expander, emit compare here.
4468 (s<code>_op): Change to use split and expander.
4469 (s<code>_24_op): Likewise.
4470 (s<code>_<mode>): New.
4471 (s<code>_<mode>_24): New.
4472 (movqicc_<code>_<mode): New.
4473 (movhicc_<code>_<mode>): New.
4476 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4477 (m32c_pend_compare): New.
4478 (m32c_unpend_compare): New.
4479 (m32c_expand_scc): New.
4480 (m32c_expand_movcc): Emit the compare also.
4481 * config/m32c/predicates.md (mra_nopp_operand): New.
4483 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4484 Richard Guenther <rguenther@suse.de>
4485 Adam Nemet <anemet@caviumnetworks.com>
4488 * builtins.c (get_pointer_alignment): Handle more forms
4489 of base addresses that can be used to derive more precise
4490 information about alignment.
4492 2006-09-01 Jason Merrill <jason@redhat.com>
4495 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4498 * gimplify.c (voidify_wrapper_expr): Handle null type.
4500 2006-09-01 Josh Conner <jconner@apple.com>
4503 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4504 (execute_return_slot_opt): Use it.
4506 2006-08-31 Josh Conner <jconner@apple.com>
4509 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4510 returning aggregates.
4512 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4514 PR tree-optimization/28839
4515 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4516 blocks in that phi arguments appear.
4518 2006-08-31 Roger Sayle <roger@eyesopen.com>
4521 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4522 NULL, otherwise use an advance_loc4 to adjust relative to the
4524 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4525 (dwarf2out_switch_text_section): Reset the current label to avoid
4526 using advance_loc4 over section boundaries.
4528 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4531 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4532 r12 + SYMBOLIC_CONST.
4534 2006-08-30 Richard Guenther <rguenther@suse.de>
4536 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4538 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4540 PR rtl-optimization/27735
4541 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4542 Add new argument to keep track of whether an irreducible region
4543 was affected. All callers changed.
4544 (fix_irreducible_loops): Removed.
4545 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4546 flags were invalidated.
4548 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4550 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4551 instead of SF operands.
4552 (*fop_df_comm_sse): Likewise.
4553 (*fop_df_comm_i387): Likewise.
4554 (*fop_df_1_mixed): Likewise.
4555 (*fop_df_1_sse): Likewise.
4557 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4558 J"orn Rennecke <joern.rennecke@st.com>
4560 PR tree-optimization/17506
4561 * tree-ssa.c (warn_uninit): If warning about a location outside of
4562 the current function, note where the variable was declared.
4564 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4566 PR tree-optimization/28411
4567 * double-int.c (double_int_div): Use double_int_divmod.
4568 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4569 double_int_mod, double_int_smod, double_int_umod): New functions.
4570 * double-int.h (double_int_divmod, double_int_sdivmod,
4571 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4573 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4575 (get_computation_aff, get_computation_cost_at): Handle double_int
4576 return type of constant_multiple_of.
4578 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4581 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4582 an implicit conversion.
4584 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4586 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4588 2006-08-27 Roger Sayle <roger@eyesopen.com>
4590 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4593 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4595 * config/i386/crtfastmath.c: Fix a comment typo.
4597 2006-08-26 Roger Sayle <roger@eyesopen.com>
4599 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4600 temporary visit flags on CASE_LABEL_EXPRs.
4601 * c-common.c (match_case_to_enum): Add function comment. Avoid
4602 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4603 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4604 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4605 a constant, only warn if that constant value isn't handled.
4607 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4610 * input.h (restore_input_file_stack): Declare.
4611 (INPUT_FILE_STACK_BITS): Define.
4612 * toplev.c (fs_p, input_file_stack_history,
4613 input_file_stack_restored, restore_input_file_stack): New.
4614 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4615 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4616 (pop_srcloc): Don't free old state of stack.
4618 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4621 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4622 (PowerPC Type Attributes): New.
4624 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4626 * config/xtensa/xtensa.c (function_arg_boundary): New.
4627 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4629 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4630 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4632 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4635 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4638 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4640 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4641 (verify_local_live_at_start): Likewise.
4643 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4646 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4647 omp_add_variable): Treat sizes as variable whenever not
4650 2006-08-26 Richard Guenther <rguenther@suse.de>
4653 * fold-const.c (fold_binary): Fold temporary to correct
4654 type before constructing new comparison.
4656 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4659 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4660 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4662 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4665 * c-decl.c (start_function): Don't try to process prototype
4666 information from old declaration that isn't a function.
4668 2006-08-25 Jan Hubicka <jh@suse.cz>
4671 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4673 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4676 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4679 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4681 PR tree-optimization/16876
4682 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4683 exit if PARM doesn't match VALUE.
4685 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4687 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4688 literal_prefix directive.
4689 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4690 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4691 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4693 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4696 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4697 predicate to general_operand. Add 0->y and I->r alternatives.
4699 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4701 * doc/tm.texi: Fix a typo.
4702 * predict.c: Fix comment typos.
4704 2006-08-25 Nick Clifton <nickc@redhat.com>
4706 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4707 assertions of "cpu" and "machine".
4709 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4712 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4713 the access through a base which has an alias set of 0 cannot
4716 2006-08-24 Bill Wendling <wendling@apple.com>
4718 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4720 2006-08-24 Jan Hubicka <jh@suse.cz>
4722 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4724 2006-08-24 Jan Hubicka <jh@suse.cz>
4727 * cgraph.c: Fix comments.
4728 (cgraph_varpool_mark_needed_node): Mark only variables not already
4730 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4731 (cgraph_varpool_assembled_nodes_queue): New static variable.
4732 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4733 (cgraph_varpool_output_debug_info): New function.
4734 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4735 * Makefile.in: Add gt-cgraphunit.h
4737 2006-08-24 Jan Hubicka <jh@suse.cz>
4739 * predict.c (probability_reliable_p): New predicate.
4740 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4741 (predict_loops): Do not predict loop exit with less than 2%
4743 * basic-block.h (edge_probability_reliable_p,
4744 br_prob_note_reliable_p): Declare.
4745 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4746 prediction when static predictor is not reliable.
4747 * rs6000.c (output_cbranch): Likewise.
4749 2006-08-23 Stuart Hastings <stuart@apple.com>
4752 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4753 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4755 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4758 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4759 complex values, nor for generic vector values.
4761 2006-08-22 Richard Guenther <rguenther@suse.de>
4764 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4765 parameter. Convert arguments to arithmetic expression to the
4767 (analyze_scalar_evolution_1): Adjust caller.
4769 2006-08-22 Jan Hubicka <jh@suse.cz>
4771 Patch by Paolo Bonzini
4772 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4775 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4777 PR tree-optimization/28003
4778 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4779 before grouping aliases.
4781 2006-08-22 Roger Sayle <roger@eyesopen.com>
4783 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4784 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4786 2006-08-21 Jason Merrill <jason@redhat.com>
4789 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4790 wrapper. Loop to handle nested wrappers.
4791 (gimplify_bind_expr): Remove temp parameter.
4792 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4793 and STATEMENT_LIST on the rhs.
4794 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4795 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4796 (gimplify_target_expr): Remove special BIND_EXPR handling.
4798 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4800 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4803 2006-08-21 Olivier Hainque <hainque@adacore.com>
4805 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4806 Arrange for the temporary captures of components overlapping the lhs
4807 to happen before the lhs is possibly cleared.
4809 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4811 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4812 necessary places to pass the correct "number of registers" values
4815 2006-08-20 Jan Hubicka <jh@suse.cz>
4817 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4818 (create_name_tags): Instead of quadratic checking use hashtable.
4819 * bitmap.h: Include hashtab.h.
4820 (bitmap_hash): Declare.
4821 * bitmap.c (bitmap_hash): New function.
4823 2006-08-20 Jan Hubicka <jh@suse.cz>
4825 PR rtl-optimization/28071
4826 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4828 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4829 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4830 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4831 cgraph_decide_inlining_incrementally): Update use of
4832 cgraph_check_inline_limits.
4833 * cgraph.c (edge_hash, edge_eq): New function.
4834 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4835 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4836 cgraph_remove_node): Maintain call site hash.
4837 * cgraph.h (struct cgraph_node): Add call_site_hash.
4838 (cgraph_set_call_stmt): New function.
4840 2006-08-20 Jan Hubicka <jh@suse.cz>
4842 PR rtl-optimization/28071
4843 * reload1.c (reg_has_output_reload): Turn into regset.
4844 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4845 choose_reload_regs, emit_reload_insns): Update to new
4846 reg_has_output_reload.
4848 2006-08-20 Jan Hubicka <jh@suse.cz>
4851 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4852 function body sizes.
4853 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4855 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4858 * tree.c (handle_dll_attribute): Return early if not a
4859 var or function decl.
4861 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4864 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4865 alignment of SPE vector types.
4867 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4869 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4871 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4874 * cgraph.h (struct cgraph_node): Remove externally_visible
4876 * cgraphunit.c (process_function_and_variable_attributes): Set
4877 local.externally_visible rather than externally_visible.
4880 * c-common.c (handle_externally_visible_attribute): First look
4881 at TREE_CODE and only if it is function or var decl, check for
4882 non-public objects. Don't warn for DECL_EXTERNAL.
4883 * cgraphunit.c (process_function_and_variable_attributes): Warn
4884 if externally_visible attribute is used on non-public object.
4886 2006-08-17 Jan Hubicka <jh@suse.cz>
4888 PR tree-optimization/27865
4889 * reload1.c (forget_marked_reloads): New function.
4890 (forget_old_reloads_1): When data are passed, just mark the registers
4892 (reload_as_needed): Use the new mechanizm.
4894 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4897 * reload.h (reg_equiv_alt_mem_list): New declaration.
4898 * reload1.c (reg_equiv_alt_mem_list): New definition.
4899 (reload): Initialize it and release it.
4900 (delete_output_reload): Use it.
4901 * reload.c (push_reg_equiv_alt_mem): New function.
4902 (find_reloads_toplev): Call it.
4903 (find_reloads_address, find_reloads_address_1): Likewise.
4904 (find_reloads_subreg_address): Likewise.
4906 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4908 PR rtl-optimization/28489
4909 * sched-ebb.c (begin_schedule_ready): Create basic block
4911 (advance_target_bb): Skip empty blocks.
4912 * haifa-sched.c (bb_note): Make global.
4913 * sched-int.h (bb_note): Add prototype.
4915 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4917 PR tree-optimization/27865
4918 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4920 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4921 fold_used_pointer, pointer_used_p): New functions.
4922 (analyze_scalar_evolution_1): Use fold_used_pointer.
4923 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4924 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4927 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4930 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4931 or the INTEGER_CST. Fail on a CALL_EXPR.
4932 (fold_offsetof): Pass new argument to fold_offsetof_1.
4933 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4934 operand into an INDIRECT_REF.
4935 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4937 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4939 PR gcov/profile/26570
4940 * value-prof.c (static_values): Removed.
4941 (tree_find_values_to_profile): Do not set static_values.
4942 (find_values_to_profile): Do not free static_values.
4943 * profile.c (instrument_values): Do not free the values.
4944 (branch_prob): Free the values.
4946 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4948 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4950 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4953 * c-typeck.c (build_component_ref): Combine qualifiers of
4954 structure or union and field.
4956 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4958 PR rtl-optimization/28071
4959 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4960 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4961 * tree-into-ssa.c (struct dom_dfsnum): New.
4962 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4964 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4965 compute_global_livein.
4966 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4967 in phi nodes in the correct blocks.
4969 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4971 PR tree-optimization/28364
4972 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4974 (fold_affine_expr): New function.
4975 (may_eliminate_iv): Use fold_affine_expr.
4977 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4980 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4983 2006-08-16 Mike Stump <mrs@apple.com>
4985 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4986 * doc/cppopts.texi (-MD): Likewise.
4988 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4991 * c-common.c (handle_weak_attribute): Ignore and warn if
4992 not a FUNCTION_ or VAR_DECL.
4994 2006-07-15 Mike Stump <mrs@apple.com>
4997 * c-parser.c (c_parser_typeof_specifier): Don't use
4998 c_finish_expr_stmt, open code desired semantics instead.
5000 2006-08-15 Nick Clifton <nickc@redhat.com>
5002 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5003 fragment to tmake_file only if threads are enabled.
5004 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5005 * config/i386/t-gthr-win32: New file. ... here.
5007 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5010 * c-parser.c (c_parser_compound_statement_nostart): Reset
5011 parser->error after each statement.
5013 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5016 * omp-low.c (lower_omp_parallel): Convert t to
5017 receiver_decl's type.
5018 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5019 source before comparison.
5022 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5023 to itype in assignment to oldival2.
5025 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5029 * c-typeck.c (build_compound_expr): If the second expression
5030 is an error mark, then just return an error mark instead of
5031 creating a COMPOUND_EXPR.
5033 2006-07-14 Mike Stump <mrs@apple.com>
5035 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5037 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5039 * c-decl.c, var-tracking.c: Fix comment typos.
5041 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5043 PR rtl-optimization/28634
5044 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5045 for floating-point modes unless flag_unsafe_math_optimizations.
5047 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5048 Andrew Pinski <pinskia@physics.uc.edu>
5051 * tree.c (build_array_type): Unify array types with
5052 unspecified index_type.
5053 * c-decl.c (grokdeclarator): Make sure we do not modify a
5054 unified incomplete array type.
5055 * c-typeck.c (store_init_value): Create distinct type before
5056 filling in the index type in an initializer from a compound
5059 * c-decl.c (grokdeclarator): Remove code where we copy the
5062 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5064 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5065 into account for TODO_dump_cgraph.
5066 (TODO_update_ssa_no_phi): Likewise.
5067 (TODO_update_ssa_full_phi): Likewise.
5068 (TODO_update_ssa_only_virtuals): Likewise.
5069 (TODO_remove_unused_locals): Likewise.
5070 (TODO_set_props): Likewise.
5071 (TODO_update_stmt_usage): Likewise.
5073 2006-08-13 Dirk Mueller <dmueller@suse.de>
5075 * c-common.c (strict_aliasing_warning): Fix formatting.
5077 2006-08-13 Matthias Klose <doko@debian.org>
5079 * doc/invoke.texi: Fix spelling errors.
5081 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5083 PR rtl-optimization/23454
5084 * reorg.c (relax_delay_slots): Update comment.
5086 2006-08-11 Richard Guenther <rguenther@suse.de>
5089 * simplify-rtx.c (simplify_const_relational_operation):
5090 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5093 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5095 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5096 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5098 2006-08-10 Paul Brook <paul@codesourcery.com>
5100 * final.c (final_scan_insn): Clear current_insn_predicate before
5101 outputting inline asm.
5103 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5105 PR tree-optimization/26197
5106 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5107 get_ref_base_and_extent and overlap_subvar to add only relevant
5108 subvars as may-aliases.
5109 (add_may_alias_for_new_tag): New function, factored out of
5111 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5112 with additional argument.
5113 * tree-flow.h (new_type_alias): Takes additional argument.
5115 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5117 * gcov.c (no_data_file): New flag.
5118 (read_count_file): Set it if data file not present. Assume counts
5120 (output_lines): Don't name the data file, if there wasn't one.
5122 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5124 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5125 (rs6000_generate_compare): Tweak comments.
5126 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5128 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5130 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5131 (var_debug_decl): New function.
5132 (var_reg_set): Follow debug decl link. Add location even if
5133 reg is already known to hold some other variable.
5134 (var_mem_set): Follow debug decl link.
5135 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5136 decl link. Delete other known locations of the variable part
5138 (var_reg_delete, var_mem_delete): Delete other known locations
5139 of the variable part if requested.
5140 (same_variable_part_p): New function.
5141 (add_stores): Select MO_COPY when appropriate.
5142 (vt_initialize): Handle it.
5143 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5144 known locations for MO_SET and MO_CLOBBER.
5145 (find_variable_location_part): New function.
5146 (set_variable_part, delete_variable_part): Use it.
5147 (clobber_variable_part): New function.
5148 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5151 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5153 PR tree-optimization/26969
5154 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5155 with an empty list of PHIs.
5157 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5161 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5164 2006-08-06 Andreas Schwab <schwab@suse.de>
5166 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5167 string. Whitespace and comment fixup.
5169 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5172 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5176 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5179 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5181 2006-08-04 Jan Hubicka <jh@suse.cz>
5185 * reload.c (push_reload): Patch out the mismatching instruction;
5187 (find_reload): Bail out if the instruction was patched out.
5189 2006-08-04 Jan Hubicka <jh@suse.cz>
5191 PR tree-optimization/24888
5192 * tree-inline.c (expand_call_inline): Do not re-record variables.
5193 (declare_inline_vars): Add variable to unexpanded_var_list.
5195 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5196 Roger Sayle <roger@eyesopen.com>
5198 PR rtl-optimization/26244
5199 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5200 inner_const are negative or greater than or equal to the bitsize of
5201 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5202 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5203 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5204 CONST0_RTX (mode) when the new shift count is greater than or equal to
5205 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5208 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5210 * tree-cfg.c: Fix a comment typo.
5212 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5215 * varasm.c (output_constant): Give the front end another chance to
5216 expand constants, after stripping NOPs.
5218 2006-08-03 Jan Hubicka <jh@suse.cz>
5220 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5223 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5225 PR tree-optimization/27770
5226 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5227 declaration removed (moved to tree-flow.h).
5228 (vect_can_force_dr_alignment_p): Likewise.
5229 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5230 (moved from tree-vectorizer.h).
5231 (vect_can_force_dr_alignment_p): Likewise.
5232 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5233 from outside the vectorizer - in particular from cgraph stage.
5234 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5235 the alignment of global arrays when -fsection-anchors is enabled.
5236 * cgraphunit.c (cgraph_increase_alignment): New function.
5237 (cgraph_optimize): Call cgraph_increase_alignment.
5239 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5242 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5243 not reload a SPE symbol_ref into a lo_sum address.
5245 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5248 * dwarf2out.c (prune_unused_types_prune): Move call to
5249 prune_unused_types_update_strings to cover the parent DIE also.
5251 2006-08-02 Jan Hubicka <jh@suse.cz>
5253 PR gcov/profile/28480
5254 * tree-cfg.c (change_bb_for_stmt): New function.
5255 (tree_merge_blocks, tree_split_blocks): Use it.
5257 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5263 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5264 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5265 (cgraph_optimize): Likewise.
5267 2006-08-01 Stuart Hastings <stuart@apple.com>
5269 * rtl.h (UINTVAL) New.
5270 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5271 * testsuite/gcc.dg/20060801-1.c: New.
5273 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5276 * c-typeck.c (build_external_type): Mark used enum types.
5277 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5279 (gen_subprogram_die): Whitespace fix.
5281 2006-08-01 Jan Hubicka <jh@suse.cz>
5283 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5284 bitmap when not needed.
5285 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5288 2006-08-01 Dirk Mueller <dmueller@suse.de>
5290 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5292 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5294 * Makefile.in: Revert part of previous patch:
5295 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5298 2006-07-30 Eric Christopher <echristo@apple.com>
5301 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5302 (PowerPC Variable Attributes): New section.
5304 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5306 PR target/28126 (partial fix)
5307 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5309 2006-07-28 Jan Hubicka <jh@suse.cz>
5311 PR rtl-optimization/28071
5312 * cfgrtl.c (rtl_delete_block): Free regsets.
5313 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5315 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5317 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5318 and variables used in dependencies.
5320 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5322 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5323 %fs for -mcmodel=kernel.
5324 (stack_tls_protect_test_di): Likewise.
5326 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5328 * Makefile.in: Use mkinstalldirs.
5330 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5333 * opts-common.c (prune_options): Skip joined switches.
5335 2006-07-27 Jan Hubicka <jh@suse.cz>
5337 PR rtl-optimization/28071
5338 * cselib.c (cselib_process_insn): Don't remove useless values too
5339 often for very large hashtables.
5341 2006-07-27 Jan Hubicka <jh@suse.cz>
5343 PR rtl-optimization/28071
5344 * global.c (greg_obstack): New obstack.
5345 (allocate_bb_info): Use it.
5346 (free_bb_info): Likewise.
5347 (modify_reg_pav): Likewise.
5349 2006-07-27 Roger Sayle <roger@eyesopen.com>
5351 * builtins.c (fold_fixed_mathfn): When long and long long are the
5352 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5353 functions to their lceil*, lfloor*, lround* and lrint* forms.
5355 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5358 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5360 (rev_branch_insn): Likewise.
5362 2006-07-27 Jan Hubicka <jh@suse.cz>
5364 PR rtl-optimization/28071
5365 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5366 (reg_set_in_bb, max_reg_computed): New static variables.
5367 (regmove_optimize): Free the new array.
5368 (fixup_match_1): Update call of reg_is_remote_constant_p.
5370 2006-07-26 Jan Hubicka <jh@suse.cz>
5372 PR tree-optimization/27882
5373 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5375 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5377 (cgraph_analyze_compilation_unit): Likewise.
5378 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5379 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5380 (cgraph_early_inlinine): Make order garbage collected.
5381 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5383 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5385 * dbxout.c (output_types_sort): Add a comment.
5386 (output_used_types): Free the VEC.
5388 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5390 * function.c (reorder_fix_fragments): Delete.
5391 (reorder_blocks): Don't call it.
5392 (reorder_blocks_1): Put all subblocks under the origin block.
5394 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5396 PR rtl-optimization/27907
5397 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5400 2006-07-25 Roger Sayle <roger@eyesopen.com>
5403 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5404 bar(x) check that bar's result type can represent all the values of T.
5406 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5408 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5410 2006-07-25 Nick Clifton <nickc@redhat.com>
5412 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5413 size_lookup[] array.
5414 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5415 (ggc_pch_count_object): Likewise.
5416 (ggc_pch_alloc_object): Likewise.
5417 (ggc_pch_write_object): Likewise.
5418 (init_ggc): Do not attempt to initialize entries in the
5419 size_lookup[] array for objects whose size is greater than than
5420 the length of the array.
5422 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5424 * dbxout.c (output_used_types_helper): Push queued types
5426 (output_types_sort): New.
5427 (output_used_types): Collect used types on a VEC and sort them
5430 2006-07-24 Richard Guenther <rguenther@suse.de>
5433 * cgraph.c (cgraph_remove_node): Do not check if dumps
5435 * cgraphunit.c (cgraph_optimize): Likewise.
5437 2006-07-24 Jan Hubicka <jh@suse.cz>
5439 PR rtl-optimization/28071
5440 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5441 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5442 splitting before first stmt.
5444 2006-07-24 Jan Hubicka <jh@suse.cz>
5446 PR rtl-optimization/28071
5447 * ipa-inline.c (update_caller_keys): Remove edges that
5448 are no longer inline candidates.
5450 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5453 * dbxout.c (output_used_types_helper, output_used_types): New.
5454 (dbxout_symbol): Call output_used_types.
5456 2006-07-23 Jan Hubicka <jh@suse.cz>
5460 * cgraph.c (cgraph_varpool_nodes): Export.
5461 (decide_is_variable_needed): Ignored "used" attribute in
5462 unit-at-a-time mode.
5463 * cgraph.h (cgraph_varpool_nodes): Declare.
5464 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5465 unit-at-a-time mode.
5467 2006-07-23 Roger Sayle <roger@eyesopen.com>
5470 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5471 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5472 the __gthrw form of thr_keycreate.
5473 (__gthread_key_delete): Silence the unused argument warning.
5475 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5478 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5479 Cache the last found '\0' marker to avoid quadratic behavior.
5481 2006-07-23 Jan Hubicka <jh@suse.cz>
5483 * i386.md (subsi_3_zext): Fix output template.
5485 2006-07-21 Mike Stump <mrs@apple.com>
5487 * doc/invoke.texi (C++ Dialect Options): Note that
5488 -fvisibility-inlines-hidden doesn't affect explicitly
5489 instantiationed inline methods.
5491 2006-07-20 Roger Sayle <roger@eyesopen.com>
5493 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5494 if the target assembler is GNU binutils' gas.
5495 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5496 whether to pass GNU gas or native as command line options.
5498 2006-07-20 Jason Merrill <jason@redhat.com>
5500 * tree.c (remove_attribute): New fn.
5501 * tree.h: Declare it.
5503 2006-07-20 Paul Brook <paul@codesourcery.com>
5506 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5507 they are invalidated by this instruction.
5509 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5512 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5514 2006-07-20 Eric Christopher <echristo@apple.com>
5517 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5519 2006-07-19 Eric Christopher <echristo@apple.com>
5521 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5522 Rewrite dependencies for libgcc_s.1.dylib.
5524 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5526 * except.c (duplicate_eh_regions_1): Clear next_peer.
5528 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5530 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5531 -mlongcall does not guarantee all calls will be long.
5532 * doc/extend.texi (long_call/short_call): Document that longcall
5533 does not guarantee a long call will be used.
5534 (longcall/shortcall): Likewise.
5536 2006-07-18 Roger Sayle <roger@eyesopen.com>
5539 * expmed.c (expand_shift): Additionally check that the shift_cost
5540 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5541 before implementing a LSHIFT_EXPR as a sequence of additions.
5542 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5543 middle-end that DImode shifts need to be synthesized by expand.
5545 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5548 * tree-ssa-operands.c (access_can_touch_variable): Update
5550 Return true if ALIAS is .GLOBAL_VAR.
5552 2006-07-18 David Daney <ddaney@avtrex.com>
5554 * gcc.c (display_help): Fix typo in help text.
5556 2006-07-18 Olivier Hainque <hainque@adacore.com>
5558 * tree.h (categorize_ctor_elements): Adjust prototype and add
5559 descriptive comment, both in accordance with the interface change
5561 * varasm.c (constructor_static_from_elts_p): New function.
5562 Whether a constructor node is a valid static constant initializer
5563 if all its elements are.
5564 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5565 * output.h: Declare it.
5566 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5567 is a valid constant initializer instead of computing the number of
5568 non-constant elements. Use constructor_static_from_elts_p for this
5569 purpose. Replace the head comment with an indication that this is a
5570 helper for categorize_ctor_elements.
5571 (categorize_ctor_elements): Same interface change as for the _1
5572 helper. Former head comment from this helper moved here, adjusted to
5573 account for the interface changes.
5574 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5575 (all_zeros_p): Likewise.
5576 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5577 static versions of the constructor from the categorize_ctor_elements
5578 return value instead of the formerly computed number of non-constant
5581 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5583 * configure: Regenerate.
5584 * Makefile.in (build_libsubdir): New configure substitution
5585 (build_libobjdir): New variable.
5586 (BUILD_LIBIBERTY): Use it.
5588 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5591 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5593 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5596 * c-common.c (handle_weakref_attribute): Ignore attribute in
5597 the same conditions the alias attribute is ignored.
5599 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5601 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5602 (dbxout_begin_prologue): Increment scope_labelno.
5604 2006-07-17 Richard Henderson <rth@redhat.com>
5607 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5610 2006-07-17 Roger Sayle <roger@eyesopen.com>
5611 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5613 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5614 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5615 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5616 functions such as sbrk, write, etc.. Add function prototypes.
5617 Convert function declarations from K&R to ISO C. Cast pointers
5618 to "long" and "unsigned long" instead of "int" and "unsigned int".
5619 Convert tokens following #endif into comments.
5621 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5623 * invoke.texi: Remove mention of f77; Reformat table for
5624 inline parameter options correctly; mention that -malign-double
5625 is default on x86-64 targets.
5627 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5629 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5630 (convert_affine_scev, chrec_convert_aggressive): Use
5631 avoid_arithmetics_in_type_p. Do not check for the subtypes
5634 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5637 * optabs.c (expand_doubleword_shift): Wrap the call to
5638 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5640 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5643 * optabs.c (expand_binop): Pass next_methods rather than methods
5644 to expand_doubleword_shift.
5646 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5649 * tree.h (dump_addr): Declare.
5650 * print-tree.c (dump_addr): New function.
5651 (print_node_brief, print_node): Use it.
5652 * print-rtl.c (print_rtx): Likewise.
5653 * common.opt (-fdump-noaddr): New option.
5654 * doc/invoke.texi (-fdump-noaddr): Document.
5655 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5656 (ve_info_hash): Likewise.
5658 2006-07-13 Andrew Haley <aph@redhat.com>
5660 PR tree-optimization/19505
5661 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5662 edge leaving this block, make sure that the destination of this
5663 block has only one predecessor.
5665 2006-07-17 Richard Guenther <rguenther@suse.de>
5667 PR tree-optimization/28238
5668 * tree-inline.c (copy_bb): Check if we produced valid
5669 gimple copying and substituting a stmt. If not, gimplify
5672 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5674 * optabs.c (maybe_encapsulate_block): New function extracted from...
5675 (emit_libcall_block): ...here. Invoke it on the block of insns to
5676 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5677 (emit_no_conflict_block): Likewise.
5679 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5681 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5683 2006-07-15 Roger Sayle <roger@eyesopen.com>
5685 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5686 a new NOP_EXPR case of the switch statement.
5688 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5691 * stor-layout.c (place_field): Take the bit field with
5692 an excessive size into account in the ms-bitfiled case.
5695 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5696 the previous bit field.
5698 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5701 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5703 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5705 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5706 signal frames correctly even when the signal was installed with
5709 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5711 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5712 (dbxout_function_end): Use local label LFBB. Remove hook
5714 (dbxout_source_line): Use local label LFBB.
5715 (dbxout_block): Likewise.
5716 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5717 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5718 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5719 and DBX_OUTPUT_NFUN.
5721 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5723 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5725 2006-07-13 Jan Hubicka <jh@suse.cz>
5727 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5729 * output.h (align_variable): Declare.
5730 * varasm.c (align_variable): Export.
5731 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5732 when basic block changed.
5734 2006-07-13 Nick Clifton <nickc@redhat.com>
5736 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5737 walking the LOG_LINKS chain.
5739 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5741 * doc/invoke.texi (C++ Dialect Options): Explain difference
5742 between -fvisibility-inlines-hidden and setting hidden
5743 visibility explicitly.
5745 2006-07-12 Eric Christopher <echristo@apple.com>
5747 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5748 (stmp-lipo): Depend on libgcc.a.
5750 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5752 * tree.c: Fix a comment typo.
5754 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5756 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5758 (umulhisi3_r): Likewise.
5760 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5763 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5764 x < 19, vs wchar_t support.
5766 2006-07-12 Nick Clifton <nickc@redhat.com>
5768 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5769 instead of -isa=sh4.
5771 2006-07-12 Mike Stump <mrs@apple.com>
5773 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5775 2006-07-10 Eric Christopher <echristo@apple.com>
5777 * config/t-slibgcc-darwin: Rewrite.
5779 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5782 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5785 2006-07-08 Matthias Klose <doko@debian.org>
5787 * doc/sourcebuild.texi: Fix typo.
5789 2006-07-07 Mike Stump <mrs@apple.com>
5791 * toplev.c (process_options): Don't give -ffunction-sections may
5792 affect debugging warning for Mach-O.
5794 2006-07-07 James E Wilson <wilson@specifix.com>
5796 * config/mips/mips.md (cpu): Add sb1a.
5797 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5798 addition to sb1. Adjust comments to clarify SB-1A differences from
5800 (ir_sb1a_load): New. Modify bypasses to use it.
5801 (ir_sb1a_simple_alu): Likewise.
5802 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5803 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5804 (mips_issue_rate): Add PROCESSOR_SB1A.
5805 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5806 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5807 (TARGET_SB1): Add PROCESSOR_SB1A check.
5808 (TUNE_SB1): Likewise.
5810 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5811 * config/mips/mips.c (mips_store_data_bypass_p): New.
5812 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5813 store_data_bypass_p.
5815 2006-07-08 Paul Brook <paul@codesourcery.com>
5818 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5820 2006-07-07 Richard Guenther <rguenther@suse.de>
5823 * tree.h (build_one_cst): Declare.
5824 * tree.c (build_one_cst): New function.
5825 * tree-ssa-math-opts.c (get_constant_one): Remove.
5826 (insert_reciprocals): Use build_one_cst.
5827 * fold-const.c (fold_plusminus_mult): Likewise.
5829 2006-07-07 Roger Sayle <roger@eyesopen.com>
5831 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5832 * cfgloopanal.c (dump_graph): Likewise.
5833 * dojump.c (discard_pending_stack_adjust): Likewise.
5834 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5836 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5837 * function.c (finalize_block_changes): Likewise.
5838 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5839 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5840 * rtl.c (dump_rtx_statistics): Likewise.
5841 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5843 * varray.c (dump_varray_statistics): Likewise.
5844 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5845 decode_decimal64, encode_decimal128, decode_decimal128,
5846 decimal_real_to_decimal): Likewise.
5848 2006-07-07 Richard Guenther <rguenther@suse.de>
5850 PR tree-optimization/28187
5851 * tree-vrp.c (vrp_operand_equal_p): New function.
5852 (vrp_bitmap_equal_p): Likewise.
5853 (update_value_range): Use them to compare old and new
5856 2006-07-06 Roger Sayle <roger@eyesopen.com>
5858 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5859 a default case to switch statement to silence compiler warnings.
5861 2006-07-06 Roger Sayle <roger@eyesopen.com>
5864 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5865 the configured assembler supports the x87's ffreep mnemonic.
5866 * configure: Regenerate.
5867 * config.in: Regenerate.
5869 * config/i386/i386.c (output_387_ffreep): New function.
5870 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5871 (output_387_reg_move): Likewise.
5873 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5875 Port to hosts whose 'sort' and 'tail' implementations
5876 treat operands with leading '+' as file names, as POSIX
5877 has required since 2001. However, make sure the code still
5878 works on pre-POSIX hosts.
5879 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5880 which says you should use "tail -c +N" rather than "tail +Nc".
5881 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5883 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5885 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5888 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5891 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5892 PRE_{INC,DEC} of TFmode.
5894 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5895 Alan Modra <amodra@bigpond.net.au>
5898 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5901 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5904 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5905 Remove duplicate gtu.
5907 2006-07-05 Jason Merrill <jason@redhat.com>
5911 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5912 * c-common.c (handle_packed_attribute): So don't copy it here.
5913 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5915 2006-07-05 Mike Stump <mrs@apple.com>
5917 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5919 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5922 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5924 2006-07-05 Richard Guenther <rguenther@suse.de>
5927 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5928 TARGET_SSE2 targets if using SSE math.
5929 (*absdf2_1): Likewise.
5931 2006-07-05 Richard Guenther <rguenther@suse.de>
5933 PR tree-optimization/28162
5934 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5935 make sure to convert the operands to the correct type.
5937 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5939 PR tree-optimization/28218
5941 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5942 to calculate and free the dominator information.
5944 2006-07-04 Peter O'Gorman <peter@pogma.com>
5946 * mklibgcc.in: chmod 644 before ranlib during install.
5948 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5949 J"orn Rennecke <joern.rennecke@st.com>
5951 * configure.ac (.eh_frame data check): Use diff -b.
5953 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5956 * Makefile.in (BUILD_RTL): Add build/vec.o.
5957 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5958 (build/genextract): Delete.
5959 (build/genautomata): Likewise.
5961 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5964 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5965 128-bit IBM long doubles for ABI_V4.
5967 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5969 * tree.c (range_in_array_bounds_p): New predicate.
5970 * tree.h (range_in_array_bounds_p): Declare it.
5971 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5972 return a less conservative answer.
5973 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5974 and flag 'is_group'.
5975 (IS_ELEMENT_FOR_GROUP): New macro.
5976 (FOR_EACH_ACTUAL_CHILD): Likewise.
5977 (next_child_for_group): New helper function.
5978 (can_completely_scalarize_p): Take into account groups.
5979 (sra_hash_tree): Handle RANGE_EXPR.
5980 (sra_elt_eq): Likewise.
5981 (lookup_element): Be prepared for handling groups.
5982 (is_valid_const_index): Delete.
5983 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5984 instead of is_valid_const_index.
5985 <ARRAY_RANGE_REF>: New case.
5986 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5987 is_valid_const_index.
5988 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5989 (scan_dump): Dump info for groups too.
5990 (decide_instantiation_1): Likewise.
5991 (decide_block_copy): Assert that the element is not a group.
5992 Propagate decision to groups.
5993 (generate_one_element_ref): Handle RANGE_EXPR.
5994 (mark_no_warning): Iterate over actual childs.
5995 (generate_copy_inout): Likewise.
5996 (generate_element_copy): Likewise.
5997 (generate_element_zero): Likewise.
5998 (generate_element_init_1): Likewise.
5999 (dump_sra_elt_name): Handle RANGE_EXPR.
6001 2006-07-03 Roger Sayle <roger@eyesopen.com>
6003 PR tree-optimization/26251
6004 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6005 (thread_block): When optimizing for size refuse to thread jumps
6006 that would require duplication of blocks other than redirection
6009 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6011 * configure.ac: Fix thinko in previous check-in.
6012 * configure: Regenerate.
6014 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6017 * configure.ac (for lang...): Simplify nesting of conditionals.
6018 Test subdir_requires for non-enabled languages. Move processing
6019 of lang_opt_files and lang_tree_fiels below that test.
6020 * configure: Regenerate.
6021 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6023 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6025 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6027 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6029 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6032 2006-06-29 Jason Merrill <jason@redhat.com>
6039 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6040 * c-common.c (c_determine_visibility): Handle it here.
6041 * c-decl.c (finish_decl): Call c_determine_visibility for
6043 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6045 * varasm.c (default_assemble_visibility): Likewise.
6046 * c-common.c (handle_visibility_attribute): Complain about trying
6047 to give visibility to an already defined class, or trying to change
6048 declared visibility. Always attach the attribute.
6053 * attribs.c (decl_attributes): Ignore type-in-place attributes
6054 once the type has been defined.
6056 2006-06-29 Roger Sayle <roger@eyesopen.com>
6059 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6060 to indicate the cpplib has issued an error message for us.
6062 2006-06-29 Asher Langton <langton2@llnl.gov>
6065 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6066 insert a label at the end of an function under Mach-O.
6068 2006-06-29 Eric Christopher <echristo@apple.com>
6069 Evan Cheng <evan.cheng@apple.com>
6071 * predicates.md (vector_all_ones_operand): New.
6072 (nonimmediate_or_sse_const_operand): Ditto.
6073 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6074 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6075 (standard_sse_mode_p): Ditto.
6076 (standard_sse_constant_p): Add case for -1 vector.
6077 (ix86_expand_vector_move): Try to use.
6078 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6079 Call standard_sse_constant_opcode.
6080 (*movv4sf_internal): Ditto.
6081 (*movv2df_internal): Ditto.
6083 2006-06-29 Roger Sayle <roger@eyesopen.com>
6085 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6086 of XEXP to extract the operands of a MATCH_CODE rtx.
6088 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6090 * tree.c (tree_size): Do not waste tail padding in
6091 struct tree_string and make the size be the same as
6092 build_string will generate.
6094 2006-06-28 Jason Merrill <jason@redhat.com>
6097 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6098 may_aliases already in the tag's annotations to the bitmap.
6100 2006-06-28 Roger Sayle <roger@eyesopen.com>
6102 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6104 2006-06-28 Roger Sayle <roger@eyesopen.com>
6106 * genpreds.c (generate_switch_p): New function.
6107 (add_mode_tests): Push the new mode test down inside an AND expr
6108 if this allows the switch-suitable MATCH_CODE to be near the root.
6109 (write_match_code_switch): New function to write a MATCH_CODE as
6111 (write_predicate_stmts): New function to write a predicate RTX
6112 expression as a sequence of statements.
6113 (write_one_predicate_function): Use write_predicate_stmts.
6114 (write_tm_constrs_h): Likewise.
6116 2006-06-26 Fred Fish <fnf@specifix.com>
6118 * config/mips/t-sb1: New file.
6119 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6122 2006-06-26 DJ Delorie <dj@redhat.com>
6124 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6126 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6127 Jayant Sonar <jayants@kpitcummins.com>
6128 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6130 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6131 (subsi3, subsi3_1, subsi3_2): New.
6132 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6133 * config/m32c/mov.md (SI mov peephole): New.
6134 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6135 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6137 2006-06-26 Olivier Hainque <hainque@adacore.com>
6139 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6140 a CALL_EXPR target function declaration.
6142 2006-06-26 Richard Guenther <rguenther@suse.de>
6144 * tree.c (build_string): Do not waste tail padding in
6147 2006-06-26 Richard Guenther <rguenther@suse.de>
6149 * ggc-page.c (init_ggc): Add missing element to size_lookup
6153 2006-06-23 Richard Guenther <rguenther@suse.de>
6155 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6156 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6157 alignment requests instead. Add verification code.
6158 Add struct tree_function_decl and struct tree_binfo size to
6159 extra_order_size_table. Add missing element to size_lookup
6162 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6165 * fold-const.c (const_binop): Be prepared for self returning zero.
6166 Simplify code handling complex values.
6168 2006-06-24 Olivier Hainque <hainque@adacore.com>
6170 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6171 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6174 2006-06-24 Olivier Hainque <hainque@adacore.com>
6176 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6177 ARRAY_REF, so have the callback called for the low bound expression.
6179 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6181 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6182 * c-typeck.c (c_common_type): Disallow operations on decimal float
6183 types and other float types.
6184 * convert.c (convert_to_real): Don't ignore conversions involving
6185 decimal float types.
6187 2006-06-23 Olivier Hainque <hainque@adacore.com>
6189 * tree.c (max_int_size_in_bytes): New function, inspired from
6190 code in function.c:assign_temp.
6191 * tree.h (max_int_size_in_bytes): Declare.
6192 * function.c (assign_temp): Use it.
6193 * gimplify.c (create_tmp_var): Relax the assertions on the type
6194 properties, not mandating constant size any more.
6195 (force_constant_size): New static function.
6196 (gimple_add_tmp_var): Use it, forcing variable size to a
6197 constant upper bound if it is not constant on entry.
6199 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6202 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6203 for initialization and setting of one_only flag to ...
6204 (i386_pe_encode_section_info): ...here.
6205 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6206 Recheck that the symbol has not been defined.
6208 2006-06-23 Richard Guenther <rguenther@suse.de>
6210 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6211 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6212 alignment requests instead. Add verification code.
6213 Add struct tree_function_decl and struct tree_binfo size to
6214 extra_order_size_table. Add missing element to size_lookup
6217 2006-06-22 Roger Sayle <roger@eyesopen.com>
6218 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6221 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6222 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6224 2006-06-23 Ben Elliston <bje@au.ibm.com>
6226 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6227 negate dn -- manipulate it directly.
6229 2006-06-22 Roger Sayle <roger@eyesopen.com>
6230 Steven Bosscher <stevenb.gcc@gmail.com>
6233 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6234 generated by gen_move_insn to add REG_LABEL notes if necessary.
6236 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6238 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6239 (leaf_entry): Remove use of MIN_ESA.
6241 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6243 PR rtl-optimization/28121
6244 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6247 2006-06-21 DJ Delorie <dj@redhat.com>
6249 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6251 (mulhisi3_r): Likewise.
6253 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6256 * coverage.c (coverage_counter_alloc): Leave the index type
6258 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6261 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6263 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6264 section from the "Options for Code Generation Conventions".
6266 2006-06-21 Richard Henderson <rth@redhat.com>
6270 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6272 (global_symbolic_operand): Allow weak symbols, even if local_p.
6274 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6276 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6277 (find_interesting_uses_address): Punt if above function returns true.
6279 2006-06-21 Richard Guenther <rguenther@suse.de>
6281 * configure: Regenerated.
6283 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6285 * config/mips/mips.c (function_arg): Where one part of a
6286 complex argument is in registers and the other part in the stack,
6287 return a REG not a PARALLEL.
6289 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6291 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6292 when cross-compiling. Do not substitute libstdcxx_incdir.
6293 * configure: Regenerated.
6295 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6297 * varasm.c (mergeable_string_section): Check for embedded NULs and
6298 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6299 rather than TREE_STRING_LENGTH bytes.
6301 2006-06-21 Richard Guenther <rguenther@suse.de>
6303 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6304 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6307 2006-06-21 Richrad Guenther <rguenther@suse.de>
6309 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6310 Limit iteration over the dominators.
6312 2006-06-20 Roger Sayle <roger@eyesopen.com>
6314 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6315 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6317 2006-06-20 Richard Guenther <rguenther@suse.de>
6318 Michael Matz <matz@suse.de>
6320 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6322 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6323 * et-forest.h (et_free_pools): Prototype new function.
6324 * et-forest.c (et_free_tree_force): Free parent occurrence.
6325 (et_free_pools): New function.
6326 * dominance.c (free_dominance_info): Free et-forest alloc
6329 2006-06-20 Roger Sayle <roger@eyesopen.com>
6331 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6332 integer modes, attempt to directly construct an integer constant.
6334 * fold-const.c (native_encode_vector): Determine the size of each
6335 element from the vector type instead of the first vector element.
6337 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6338 if all of its elements/components are constant.
6339 (build_constructor_from_list): Likewise.
6341 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6343 PR tree-optimization/27331
6344 * tree-data-ref.c (free_data_ref): New function.
6345 (create_data_ref): Fail if the data reference has unknown access
6347 (free_data_refs): Use free_data_ref.
6349 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6352 * tree-inline.c (setup_one_parameter): Strip useless
6353 type conversion before adding it to the IR.
6354 (declare_return_variable): Likewise.
6356 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6359 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6361 2006-06-19 Mike Stump <mrs@apple.com>
6363 * tree.c (variably_modified_type_p): VM arguments don't make the
6366 2006-06-19 Richard Guenther <rguenther@suse.de>
6368 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6369 type conversions after folding.
6371 2006-06-19 Richard Guenther <rguenther@suse.de>
6373 * ggc-page.c (extra_order_size_tab): Add entries with
6374 size of struct function and basic_block.
6375 (size_lookup): Extend to cover sizes up to 511.
6376 (ggc_alloc_stat): Adjust user.
6377 (ggc_pch_count_object): Likewise.
6378 (ggc_pch_alloc_object): Likewise.
6379 (ggc_pch_write_object): Likewise.
6381 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6383 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6384 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6387 2006-06-19 Denis Chertykov <denisc@overta.ru>
6389 * config/avr/libgcc.S : Correct my wrong previous commit.
6391 2006-06-19 Roger Sayle <roger@eyesopen.com>
6394 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6395 have stripped a SUBREG from the shift count, so we may need to
6396 convert_to_mode back to the type's mode before calling make_tree.
6397 Use new_amount instead of amount to avoid expanding a tree twice.
6399 2006-06-19 Richard Guenther <rguenther@suse.de>
6402 * fold-const.c (operand_equal_p): Check if the argument types
6403 have the same precision before stripping NOPs.
6405 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6407 Fix PR tree-optimization/27341
6408 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6410 * tree-complex.c (pass_lower_complex): Update SMT usage.
6412 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6414 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6415 Add a new alternative to the constraint strings. Add move of
6416 operand 1 to 3 to the splitter definition.
6417 ("doloop_si_long"): Second contraint alternative removed.
6419 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6421 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6422 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6424 (AVR_HAVE_MOVW) Define.
6425 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6426 (ASM_SPEC): Add avr25.
6427 (LINK_SPEC): Add avr25.
6428 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6429 (base_arch_s): Add new member 'have_movw_lpmx'.
6430 (avr_arch_types): Init 'have_movw_lpmx'.
6431 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6432 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6433 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6434 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6435 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6437 (avr_file_start): Do not output '.arh' derective.
6438 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6439 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6440 * config/avr/avr.md (mcu_enhanced): Delete.
6441 (mcu_have_movw): Define.
6442 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6443 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6444 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6445 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6446 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6447 attiny861 and at86rf401 devices.
6449 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6451 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6454 2006-06-17 Karl Berry <karl@gnu.org>
6456 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6457 doc/gccint.texi, doc/install.texi (@dircategory): Use
6458 "Software development" instead of "Programming", following
6459 the Free Software Directory.
6461 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6463 * config/i386/i386.c (legitimate_tls_address)
6464 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6465 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6466 (*tls_dynamic_gnu2_combine_64): Likewise.
6468 2006-06-16 Richard Guenther <rguenther@suse.de>
6471 * fold-const.c (negate_expr_p): Do not introduce undefined
6472 overflow in negating INTEGER_CSTs.
6473 (fold_negate_expr): Rename from negate_expr. Revert last
6474 change for folding BIT_NOT_EXPR. Change semantics to
6475 return NULL_TREE for non-simplified negations. Do not
6476 strip type conversions and unify type handling.
6477 (negate_expr): New function, wrap around fold_negate_expr
6478 but ensure building a tree always. Strip type conversions
6479 here, fold to result type.
6480 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6482 2006-06-16 Roger Sayle <roger@eyesopen.com>
6485 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6486 that (would) return their results in stack registers.
6488 2006-06-16 Michael Matz <matz@suse.de>
6489 Richard Guenther <rguenther@suse.de>
6491 * fold-const.c (fold_truthop): Only return new tree node if
6492 we canonicalized something.
6494 2006-06-16 Richard Guenther <rguenther@suse.de>
6496 * function.h (enum function_frequency): Move declaration
6497 out of struct function.
6498 (struct function): Move bool fields and the enum to the bitfield
6499 section. Reorder elements to avoid padding. Remove unused
6500 fields left over from the RTL inliner removal.
6501 * function.c (free_after_compilation): Do not zero removed fields.
6502 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6503 (ipa-type-escape.o): Likewise.
6505 2006-06-16 Richard Guenther <rguenther@suse.de>
6507 * cgraph.h (struct cgraph_local_info): Turn bool elements
6509 (struct cgraph_node): Likewise.
6510 (struct cgraph_varpool_node): Likewise.
6512 2006-06-15 Richard Guenther <rguenther@suse.de>
6514 * fold-const.c (fold_truth_not_expr): Rename from
6515 invert_truthvalue. Give it fold_* semantics to avoid
6517 (invert_truthvalue): New function. Wrapper around
6518 fold_truth_not_expr.
6519 (optimize_minmax_comparison): Avoid creating garbage.
6520 (fold_unary): Use fold_truth_not_expr for folding
6522 (fold_ternary): Replace uses of invert_truthvalue with
6523 fold_truth_not_expr where applicable.
6524 * tree.h (fold_truth_not_expr): Prototype.
6526 2006-06-16 Richard Guenther <rguenther@suse.de>
6528 PR tree-optimization/27781
6529 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6530 * ipa-pure-const.c (target.h): Include.
6531 (analyze_function): Do not analyze functions that do not
6534 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6537 * tree-dfa.c (referenced_vars_dup_list): Remove.
6538 (find_referenced_vars): Remove assert.
6539 (referenced_var_check_and_insert): Replace dup list with assert.
6540 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6541 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6543 2006-06-15 Richard Guenther <rguenther@suse.de>
6545 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6546 extra unused identifiers if not dumping.
6547 (create_variable_info_for): Likewise.
6549 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6551 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6552 (derive_constant_upper_bound): Derive more precise upper bound in
6553 common cases. Return type changed to double_int.
6554 (record_estimate): Reflect the changed return type of
6555 derive_constant_upper_bound.
6556 * double-int.c (double_int_zext, double_int_sext): Fix.
6558 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6560 * configure.ac (CFLAGS): Get them from the toplevel or from the
6561 configure invocation.
6562 * configure: Regenerate.
6563 * Makefile.in (CFLAGS): Substitute value provided by configure.
6565 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6568 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6569 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6570 rather than calling add_stmt on it.
6571 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6573 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6576 * reload1.c (reload): Remove registers returned by update_eliminables
6577 from used_spill_regs.
6579 2006-06-13 DJ Delorie <dj@redhat.com>
6581 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6583 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6585 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6586 html__strip_dir, html__mkdir_p. Enhance install-html target.
6587 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6588 * configure: Regenerate.
6590 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6592 * fold-const.c (fold_cond_expr_with_comparison): Check for
6593 Objective-C++ as language in deciding COND_EXPR transformation.
6595 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6598 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6599 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6600 * config/sh/lib1funcs.h (SL, SL1): Define.
6601 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6602 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6603 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6604 (OBJS_Os_4_200): New variable.
6605 ($(T)libgcc-Os-4-200.a): Use it.
6606 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6607 when dividing 1 and/or by 0.
6609 2006-06-13 Roger Sayle <roger@eyesopen.com>
6611 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6612 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6613 * configure: Regenerate.
6615 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6617 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6618 for real instruction.
6620 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6623 * haifa-sched.c (check_cfg): Handle special case.
6625 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6628 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6629 Add debug_info parameter. Chain the vars to the BLOCK instead
6630 of the BIND_EXPR if debug info are requested for them.
6631 (pop_gimplify_context): Adjust for above change.
6632 (gimple_add_tmp_var): Likewise.
6633 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6635 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6636 (convert_local_reference): Likewise.
6637 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6638 (finalize_nesting_tree_1): Request that debug info be emitted
6639 for debug_var_chain.
6641 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6643 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6644 for PR target/27863.
6646 2006-06-13 Richard Guenther <rguenther@suse.de>
6649 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6651 2006-06-13 Richard Guenther <rguenther@suse.de>
6653 PR tree-optimization/27830
6654 * tree-inline.c (copy_body_r): For copying the operand
6655 of an ADDR_EXPR make sure to fold &* afterwards.
6657 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6659 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6660 lvalues in the fb_none case with side-effects.
6662 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6664 * tree-flow.h: Remove the prototype for
6665 compute_phi_arg_on_exit.
6666 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6667 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6670 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6672 * builtins.c (expand_builtin_return_addr): Only use
6673 frame_pointer_rtx when count == 0 and we are expanding
6674 __builtin_return_address.
6676 2006-06-12 Fred Fish <fnf@specifix.com>
6678 * config/mips/mips.c (mips_file_start): Create special section
6679 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6681 2006-06-11 Eric Christopher <echristo@apple.com>
6684 * stor-layout.c (place_field): Remove check for
6685 remaining_in_alignment when aligning at the end of a run.
6687 2006-06-11 Eric Christopher <echristo@apple.com>
6690 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6693 2006-06-11 Roger Sayle <roger@eyesopen.com>
6696 Revert incorrect fix for PR target/27158
6697 2006-05-08 Roger Sayle <roger@eyesopen.com>
6698 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6699 of a reg_equiv_constant if the result is a legitimate constant.
6701 2006-06-11 Roger Sayle <roger@eyesopen.com>
6704 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6705 extract a CONST_VECTOR element and interpret it as an integer.
6706 (vspltis_constant): Use const_vector_elt_as_int instead of the
6707 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6708 * config/rs6000/predicates.md (easy_vector_const): Consider
6709 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6711 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6714 * stor-layout.c (update_alignment_for_field): Don't add extra
6715 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6718 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6720 * config/mips/t-rtems: Add EL/EB multilib variants.
6722 2006-06-09 Mike Stump <mrs@apple.com>
6724 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6726 2006-06-09 David Daney <ddaney@avtrex.com>
6728 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6730 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6732 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6734 2006-06-09 Richard Guenther <rguenther@suse.de>
6736 PR tree-optimization/26998
6737 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6738 of signed types, only TYPE_MIN_VALUE is special, but for both,
6739 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6740 in this case, as is -fwrapv.
6742 2006-06-08 Mike Stump <mrs@apple.com>
6745 * config/darwin.c (darwin_asm_output_anchor): Disable
6746 -fsection-anchors on darwin for now.
6747 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6748 * rs6000/rs6000.c (optimization_options): Likewise.
6750 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6753 * config/i386/i386.c (classify_argument): Skip fields with invalid
6756 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6758 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6759 (cse_insn): Likewise for the stack_pointer_rtx.
6761 2006-06-08 Roger Sayle <roger@eyesopen.com>
6763 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6764 conditions from floating point comparisons.
6766 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6769 * expmed.c (struct alg_hash_entry): Fix type of field T
6770 to match synth_mult argument.
6771 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6773 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6776 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6779 2006-06-08 Richard Guenther <rguenther@suse.de>
6782 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6783 only, if overflow is defined and not trapping.
6784 (negate_expr): Likewise.
6786 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6788 PR tree-optimization/27872
6789 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6790 flag on the new exit edge of the unrolled loop.
6792 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6794 PR rtl-optimization/26449
6795 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6797 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6800 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6801 referenced_variables with matching DECL_UID's.
6802 (find_referenced_vars): Make sure duplicate list is empty to start.
6803 (referenced_var_p): Remove.
6804 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6805 Check if var is in the list, and add if needed. Update the duplicate
6806 list if a different var is in the list with the same DECL_UID.
6807 (add_referenced_var): Call routine to check and insert.
6808 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6809 * tree-flow.h (referenced_vars_dup_list): External declaration.
6811 2006-06-07 Fred Fish <fnf@specifix.com>
6813 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6816 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6819 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6820 the imaginary and real parts of a clobbered register.
6821 Emit insn to set the imaginary part.
6823 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6825 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6826 in lieu of unwind-dw2-fde.c.
6828 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6830 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6832 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6835 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6836 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6837 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6838 V4SImode temporaries and operations instead.
6840 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6842 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6845 2006-06-06 Mike Stump <mrs@apple.com>
6847 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6848 installing during build.
6850 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6852 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6854 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6855 * config/ia64/ia64.c (params.h): New header.
6856 (ia64_optimization_options): New function to adjust parameters.
6857 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6858 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6859 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6861 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6863 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6865 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6868 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6870 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6871 Victor Kaplansky <victork@il.ibm.com>
6873 PR tree-optimization/26360
6874 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6877 2006-06-04 Roger Sayle <roger@eyesopen.com>
6878 Andrew Pinski <pinskia@physics.uc.edu>
6881 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6882 for LABEL_DECL before calling DECL_WEAK.
6885 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6886 LABEL_DECL and PARM_DECL.
6888 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6892 * c-decl.c (grokdeclarator): Disallow variably modified types at
6893 file scope. Avoid marking shared array type of constant size as
6896 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6899 * c-common.c (fold_offsetof_1): Handle static members.
6901 2006-06-04 Eric Christopher <echristo@apple.com>
6903 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6904 (debug_rli): Output value for remaining_in_alignment.
6905 (update_alignment_for_field): Unconditionalize
6906 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6907 extra alignment code.
6908 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6909 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6910 * tree.h (record_layout_info_s): Remove prev_packed.
6911 * doc/extend.texi (ms_struct): Add documentation of format.
6913 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6915 * tree.h: Declare folding_initializer.
6916 * builtins.c (fold_builtin_constant_p): Give definite answer
6917 if folding inside an initializer.
6918 * fold-const.c: Define folding_initializer.
6919 (START_FOLD_INIT): Save and then set folding_initializer.
6920 (END_FOLD_INIT): Restore folding_initializer.
6922 2006-06-04 Richard Guenther <rguenther@suse.de>
6924 PR tree-optimization/27039
6925 * fold-const.c (fold_comparison): Handle pointer comparison
6926 again for all comparison codes. Compare offsets in signed
6928 (fold_binary): Move code from here.
6930 2006-06-03 Roger Sayle <roger@eyesopen.com>
6933 * config/i386/i386.c (construct_container): Split static issued_error
6934 flag into issued_sse_arg_error, issued_sse_ret_error and
6935 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6936 requires the use of x87 registers and the user explicitly
6937 specified the -mno-80387 command line option.
6939 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6941 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6942 HAVE_DECL_SIGALTSTACK.
6944 (segv_handler): Use MC_FLD.
6945 * configure.ac: Check for a sigaltstack declaration.
6946 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6947 * configure: Regenerate.
6948 * config.in: Regenerate.
6950 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6953 * Makefile.in (stmp-fixinc): Fix typo.
6955 2006-06-02 Roger Sayle <roger@eyesopen.com>
6957 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6958 are type correct. Clean-up.
6959 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6960 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6962 2006-06-01 DJ Delorie <dj@redhat.com>
6964 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6965 shift, as we've disabled the "switch" insn that needs it.
6967 2006-06-01 Per Bothner <bothner@bothner.com>
6969 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6970 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6971 * c-ppoutput.c (cb_define): Don't increment line 0.
6973 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6975 * doc/invoke.texi: Add cpu_type power6.
6976 * config.gcc: Add cpu_type power6.
6977 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6978 to power5+ with Altivec.
6979 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6980 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6982 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6984 * config/avr/avr.h (SET_ASM_OP): Define.
6986 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6988 * config/bfin/bfin.c: Fix comment typos.
6990 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6993 * doc/install.texi: Document --enable-bootstrap and
6994 --disable-bootstrap.
6996 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6998 * doc/install.texi: Document that InfoZIP can replace jar.
7000 2006-05-31 Roger Sayle <roger@eyesopen.com>
7002 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7003 isn't available, directly generate the simpler x87 patterns without
7004 the (use (const_int 0)).
7005 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7006 implementation isn't available.
7007 (*negdf2_1): Likewise.
7008 (*negxf2_1): XF mode negation is always done using the x87.
7009 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7011 2006-05-31 Roger Sayle <roger@eyesopen.com>
7013 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7014 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7016 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7018 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7020 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7021 * config/bfin/bfin.c (basic-block.h): Include.
7022 (struct machine_function): New.
7023 (bfin_init_machine_status): New.
7024 (override_options): Initialize init_machine_status.
7025 (bfin_hardware_loop): New.
7026 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7027 (DEF_VEC_P (loop_info)): New.
7028 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7029 (struct loop_info): New.
7030 (loop_info): New typedef.
7031 (struct loop_work): New.
7032 (loop_work): New typedef.
7033 (DEF_VEC_O (loop_work)): New.
7034 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7035 (bfin_dump_loops): New.
7036 (bfin_bb_in_loop): New.
7037 (bfin_scan_loop): New.
7038 (bfin_optimize_loop): New.
7039 (bfin_reorg_loops): New.
7040 (bfin_reorg): Use bfin_reorg_loops.
7041 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7043 (I_REGNO_P): Simplify.
7044 (DP_REGNO_P, DPREG_P): New macros.
7045 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7046 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7047 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7048 Add LT_REGS, LC_REGS, LB_REGS.
7049 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7051 (REGNO_REG_CLASS): Deal with loop registers.
7052 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7054 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7055 New constants for loop registers.
7056 (UNSPEC_LSETUP_END): New.
7057 (seq_insns): New define_attr. Set it for appropriate insns.
7058 (movsi_insn): Add alternatives for move from/to
7059 loop count registers.
7060 (doloop_end): New define_expand.
7061 (loop_end): New define_insn.
7062 (define_split for bad doloop_end): New.
7063 (lsetup_with_autoinit): New define_insn.
7064 (lsetup_without_autoinit): New define_insn.
7065 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7066 * config/bfin/predicates.md (lc_register_operand): New.
7067 (lt_register_operand): New.
7068 (lb_register_operand): New.
7069 (nondp_register_operand): New.
7070 (nondp_reg_or_memory_operand): New.
7071 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7073 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7075 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7076 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7078 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7080 * Makefile.in (CATALOGS): Add po/ prefix.
7081 * configure: Regenerated.
7083 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7086 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7087 a shift operand before calling shift_op. Avoid redundant call of
7090 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7091 DJ Delorie <dj@redhat.com>
7093 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7094 we're inserting is a singlt-bit constant.
7096 2006-05-30 Roger Sayle <roger@eyesopen.com>
7098 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7099 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7101 2006-05-30 Roger Sayle <roger@eyesopen.com>
7103 PR tree-optimization/23452
7104 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7105 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7106 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7107 complex values and with -ffast-math for FP complex values.
7109 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7111 * c-common.h: Remove the prototype for yyparse.
7112 * rtl.h: Remove the prototype for init_loop.
7114 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7116 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7119 2006-05-30 Roger Sayle <roger@eyesopen.com>
7121 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7123 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7124 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7126 2006-05-30 Dirk Mueller <dmueller@suse.de>
7129 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7130 for CONSTANT_CLASS_P expresisons.
7132 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7135 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7137 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7139 PR tree-optimization/27779
7140 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7141 initial_condition instead of CHREC_LEFT.
7143 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7145 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7146 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7147 Make prototypes ISO C90.
7149 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7150 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7152 * see.c (see_analyze_one_def): Correct check.
7153 (see_get_extension_data): Check if extension is parallel.
7154 (see_get_extension_reg): Likewise.
7156 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7159 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7160 into register for (code == GTU).
7162 2006-05-29 Roger Sayle <roger@eyesopen.com>
7164 PR tree-optimization/24964
7165 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7166 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7167 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7168 abs(x)*abs(x) as x*x for scalar floating point modes.
7170 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7173 * lambda-code.c (perfect_nestify): Don't copy statements
7174 in the inner loop: move them to the inner loop header.
7176 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7179 * c-tree.texi: Document OpenMP directives and clauses.
7181 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7183 * varasm.c (globalize_decl): Fix indentation.
7185 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7188 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7189 pass_fre, pass_store_ccp, pass_copy_prop,
7190 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7191 pass_return_slot, pass_object_size, pass_lim,
7192 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7193 pass_loop_prefetch and pass_stdarg.
7195 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7197 * config/bfin/bfin.opt (mfdpic): New option.
7198 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7199 (EXTRA_MULTILIB_PARTS): Likewise.
7200 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7201 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7203 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7204 (CRT_CALL_STATIC_FUNCTION): New.
7205 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7207 (CRT_CALL_STATIC_FUNCTION): New.
7208 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7210 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7211 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7212 (initialize_trampoline): Changed to handle FD-PIC code generation.
7213 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7214 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7215 (override_options): Disallow -mid-shared-library -mfdpic combination.
7216 Can't do unaligned ops if FD-PIC.
7217 Turn off flag_pic if trying to generate non-id-shared-library
7218 non-fdpic code, since it's not supported.
7219 (bfin_assemble_integer): New function.
7220 (TARGET_ASM_INTEGER): Define.
7221 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7223 * config/bfin/crtn.s: Restore them.
7224 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7226 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7227 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7228 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7229 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7230 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7232 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7233 FDPIC_REGS and FDPIC_FPTR_REGS.
7234 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7235 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7236 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7237 (load_funcdescsi): New pattern.
7238 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7239 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7240 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7242 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7244 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7247 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7249 * tree-flow.h: Remove the prototype for add_type_alias.
7250 * tree-ssa-alias.c (add_type_alias): Remove.
7252 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7254 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7255 config/fr30/fr30.md, config/i386/i386-interix.h,
7256 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7257 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7258 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7259 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7260 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7261 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7262 Follow spelling conventions.
7263 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7264 Follow spelling conventions.
7266 2006-05-27 Richard Guenther <rguenther@suse.de>
7269 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7270 to produce a constant of value 1 of generic type.
7272 2006-05-27 Dirk Mueller <dmueller@suse.de>
7274 * cgraphunit.c (decide_is_function_needed): Fix wrong
7277 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7279 PR rtl-optimization/27661
7280 * reload.c (find_reloads): When reloading a VOIDmode constant
7281 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7282 use Pmode as mode of the reload register.
7284 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7286 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7287 is enabled at -O and above.
7289 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7292 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7295 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7298 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7299 for anonymous variables explicitly declared by front ends.
7301 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7303 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7304 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7305 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7306 ref-all pointers, run a finalization pass for them.
7307 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7308 (finalize_ref_all_pointers): New function.
7309 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7310 regular pointer type to a ref-all pointer type.
7311 (get_tmt_for): Return the special memory tag for ref-all pointers.
7313 2006-05-25 Richard Guenther <rguenther@suse.de>
7316 * fold-const.c (fold_binary): Do not look at the stripped
7317 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7319 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7321 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7322 for LT and GT if the computed range is effectively empty.
7324 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7327 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7328 mips_quad_format formats instead of ieee_single_format,
7329 ieee_double_format and ieee_quad_format formats, respectively.
7331 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7333 PR tree-optimization/27639
7334 PR tree-optimization/26719
7335 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7336 call to scev_probably_wraps_p.
7337 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7338 used_in_pointer_arithmetic_p, convert_step): Removed.
7339 (nowrap_type_p): New function.
7340 (scev_probably_wraps_p): Rewritten.
7341 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7342 chrec_convert if chrec_convert_aggressive might have been used.
7343 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7344 scev_direction): New functions.
7345 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7346 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7347 instead of convert_step.
7348 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7349 (convert_step): Declaration removed.
7350 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7352 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7354 * df-core.c: Added to header comments.
7355 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7356 df_ur_bb_info, df_urec_bb_info): Added comments.
7357 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7358 urec, ri problems): Fixed header comments.
7359 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7360 code from df_rd_transfer_function.
7362 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7364 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7365 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7366 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7368 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7370 * expr.c (undefined_operand_subword_p): New.
7371 (emit_move_multi_word): Do not generate move from undefined bits
7372 of a paradoxical subreg.
7374 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7376 PR rtl-optimization/27736
7377 * combine.c (replaced_rhs_value): New variable.
7378 (combine_instructions): Set it.
7379 (distribute_notes): When distributing a note in replaced_rhs_insn,
7380 check whether the value was used in replaced_rhs_value.
7382 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7385 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7386 add_referenced_var instead of add_referenced_tmp_var.
7387 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7388 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7390 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7391 tree_optimize_tail_calls_1): Use add_referenced_var.
7392 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7393 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7394 Use add_referenced_var.
7395 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7396 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7397 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7398 Use add_referenced_var.
7399 * tree-dfa.c (struct walk_state): Remove.
7400 (find_referenced_vars): Remove walk state and vars_found hash table.
7401 (make_rename_temp): Use add_referenced_var.
7402 (find_vars_r): Pass less parameters to add_referenced_var.
7403 (referenced_var_p): New. Is var in referenced_var hash table.
7404 (referenced_var_insert): Assert var isn't already in hash table.
7405 (add_referenced_var): Don't need walk_state parameter. Add var if it
7406 isn't already in the hash table.
7407 (add_referenced_tmp_var): Remove.
7408 (find_new_referenced_vars_1): Use add_referenced_var.
7409 * tree-ssa-pre.c (create_expression_by_pieces,
7410 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7411 Use add_referenced_var.
7412 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7413 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7414 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7416 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7417 vect_create_data_ref_ptr, vect_create_destination_var,
7418 vect_init_vector, vect_build_loop_niters,
7419 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7420 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7421 Use add_referenced_var.
7422 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7423 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7424 (add_referenced_var): Add prototype.
7425 * tree-ssa-structalias.c (get_constraint_for,
7426 intra_create_variable_infos): Use add_referenced_var.
7428 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7430 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7431 big-endian paradoxical subregs.
7432 * var-tracking.c (struct micro_operation_def): Document that,
7433 for modify micro operations, insn is the subsequent instruction.
7434 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7435 (var_reg_set, var_mem_set): ... new functions.
7436 (add_stores): Record subsequent insn.
7437 (compute_bb_dataflow): Use new functions for MO_USE.
7438 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7439 notes after the insn, and modify notes before the insn known
7440 to be the subsequent one.
7441 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7443 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7446 * config/i386/i386.c (ix86_expand_builtin): Use
7447 gen_sse3_monitor64 for TARGET_64BIT.
7449 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7451 PR rtl-optimization/26375
7452 PR rtl-optimization/26855
7453 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7455 (df_ru_bb_local_compute): Reversed statements and removed bogus
7456 comment explaining why they should be in wrong order.
7457 (df_ru_dump, df_rd_dump): Enhanced debug info.
7458 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7460 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7461 reaching uses and fixed space problem.
7463 2006-05-23 Jan Hubicka <jh@suse.cz>
7465 * cgraphunit.c (decide_is_function_needed): Also nested functions
7466 and functions declared inline can be optimized out at -O0.
7468 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7470 * doc/install.texi (Configuration): Remove reference to CrossGCC
7474 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7477 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7478 ix86_compare_emitted is non-NULL.
7480 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7483 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7486 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7488 PR rtl-optimization/25514
7489 * combine.c (replaced_rhs_insn): New variable.
7490 (combine_instructions): Set replaced_rhs_insn when trying to replace
7491 a SET_SRC with a REG_EQUAL note.
7492 (distribute_notes): Use replaced_rhs_insn when determining the live
7493 range of a REG_DEAD register.
7495 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7496 Anatoly Sokolov <aesok@post.ru>
7498 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7499 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7500 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7501 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7502 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7503 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7504 at90usb647, at90usb1286 and at90usb1287 devices.
7505 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7506 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7508 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7510 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7512 2006-05-22 Richard Guenther <rguenther@suse.de>
7515 2006-01-31 Richard Guenther <rguenther@suse.de>
7516 Paolo Bonzini <bonzini@gnu.org>
7518 * doc/install.texi (--disable-libgcc-math): Document.
7520 2006-05-22 Richard Guenther <rguenther@suse.de>
7523 2006-01-31 Richard Guenther <rguenther@suse.de>
7525 * doc/invoke.texi (-msselibm): Document.
7526 * target.h (expand_library_builtin): New target hook.
7527 * builtins.c (expand_builtin): Use expand_library_builtin.
7528 (default_expand_library_builtin): New function.
7529 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7530 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7531 (link_gcc_math_spec): Declare.
7532 (static_specs): Add link_gcc_math_spec.
7533 * expr.h (default_expand_library_builtin): Declare.
7534 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7535 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7536 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7537 * config/i386/i386.opt (msselibm): New target option.
7538 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7539 (ix86_init_sse_abi_builtins): New function.
7540 (ix86_expand_library_builtin): Likewise.
7541 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7542 (override_options): Handle error conditions wrt -msselibm.
7543 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7544 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7545 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7548 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7551 * c-common.c (self_promoting_args_p): Skip erroneous args.
7554 * c-decl.c (finish_struct): Skip erroneous fields.
7556 2006-05-22 Nick Clifton <nickc@redhat.com>
7558 * config/cris/cris.opt (march): Remove VarExists attribute.
7559 (max-stackframe=): Likewise.
7561 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7563 * doc/rtl.texi: Fix a typo.
7564 * see.c: Fix comment typos.
7566 * tree-ssa-structalias.h (alias_info): Remove num_references.
7568 2006-05-21 Mike Stump <mrs@apple.com>
7570 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7572 (darwin_pragma_options): Use BAD instead.
7573 (darwin_pragma_unused): Likewise.
7574 (darwin_pragma_ms_struct): Likewise.
7576 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7578 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7580 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7582 PR rtl-optimization/27671
7583 * simplify-rtx.c (simplify_relational_operation_1): Fix
7584 simplifications of (eq/ne (xor x y) y) and
7585 (eq/ne (xor x y) x).
7587 PR tree-optimization/26622.
7588 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7591 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7593 * tree-cfg.c: Prune whitespace.
7594 (debug_tree_cfg): Point to correct header containing the
7597 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7600 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7602 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7605 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7606 or sorry count is non zero.
7608 2006-05-20 Andreas Schwab <schwab@suse.de>
7610 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7612 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7613 Kenneth Zadeck <zadeck@naturalbridge.com>
7615 PR rtl-optimization/26855
7617 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7619 (df_scan_alloc): Added code to properly handle multiword hard
7620 registers and add all_blocks parameter.
7621 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7622 code to properly handle multiword hard registers.
7623 (df_rescan_blocks): Added code to remove deleted blocks from
7625 (df_ref_create_structure, df_ref_record): Added code to properly
7627 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7628 and set DF_REF_PARTIAL.
7629 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7630 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7631 (df_scan_add_problem): Added flags parameter.
7632 (df_ref_create_structure): Changed switching structure.
7633 (df_bb_refs_record): Fixed case where duplicate artificial refs
7634 were created. Changed location of flags.
7635 (df_record_entry_block_defs): Added code to make stack pointer
7636 live in entry block. Refined cases where frame pointer is needed.
7637 Changed location of flags.
7638 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7639 (df_set_state): Removed function.
7640 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7641 df_insn_create_insn_record, df_insn_refs_delete,
7642 df_ref_create_structure): Formatting changes.
7643 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7644 df_delete_basic_block): New function.
7645 (df_init): Changed location of flags.
7646 (df_add_problem): Added flags parameter and the way flags are
7648 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7649 debug_df_chain): Improved debugging output.
7650 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7651 (df_refs_chain_dump): Removed df parameter.
7652 (df_iterative_dataflow): Added consistency check.
7653 (df_prune_to_subcfg): Made public.
7654 (df_analyze_problem): Added blocks_to_init parameter and made
7656 (df_ref_record, df_bb_refs_record, df_mark_reg,
7657 df_record_exit_block_uses): Whitespace changes.
7658 (df_dump): Whitespace changes.
7659 * df.h: Some reordering to remove forward references.
7660 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7661 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7662 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7663 (dataflow.flags): New field.
7664 (df.flag): Deleted field.
7665 (df_alloc_function): Added additional bitmap parameter.
7666 (df_dependent_problem_function): New type.
7667 (df_problem.changeable_flags): New field.
7668 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7669 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7670 (df_mw_hardreg): New struct.
7671 (DF_INSN_UID_MWS): New macro.
7672 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7674 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7675 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7676 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7677 (df_set_state): Removed function.
7678 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7679 * df-problems.c (df_chain_dump): Removed df parameter.
7680 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7681 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7683 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7684 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7685 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7686 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7687 DF_REF_MUST_CLOBBER cases.
7688 (df_ru_bb_local_compute_process_def,
7689 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7690 df_lr_bb_local_compute, df_ur_bb_local_compute,
7691 df_chain_create_bb): Made subreg aware.
7692 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7693 df_lr_bb_local_compute, df_lr_bb_local_compute,
7694 df_chain_create_bb): Cleanup to use proper macros.
7695 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7696 code to fixup bitvectors.
7697 (df_ri_alloc): Cleared lifetime.
7698 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7699 df_create_unused_note): New function.
7700 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7701 REG_DEAD and REG_UNUSED notes as well as register information.
7702 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7703 df_chains_dump): Fixed crash if problem was never run.
7704 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7705 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7706 df_ri_add_problem): Processes flags in uniform manner.
7707 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7708 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7709 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7710 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7711 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7712 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7713 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7714 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7715 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7716 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7717 * see.c (see_initialize_data): Ditto.
7718 * final.c (rest_of_clean_state) Added regstack_completed.
7719 * rtl.h (regstack_completed): Ditto.
7720 * reg-stack.c (regstack_completed): Ditto.
7722 2006-05-19 Mike Stump <mrs@apple.com>
7724 * c-tree.h (default_conversion): Remove.
7725 * c-common.h (default_conversion): Add.
7727 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7729 * tree-vrp.c (valid_value_p): New function.
7730 (adjust_range_with_scev): Fail if the value of bound is not
7733 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7735 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7736 (mips_fallback_frame_state): Use syscall numbers to determine
7737 the appropriate li instruction for the current ABI. Only use
7738 __NR_sigreturn for o32.
7740 2006-05-19 Nicolas Setton <setton@adacore.com>
7742 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7743 * langhooks.c (lhd_dwarf_name): New function.
7744 * langhooks-def.h (lhd_dwarf_name): Declare.
7745 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7746 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7747 * ada/misc.c (gnat_dwarf_name): New function.
7748 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7750 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7752 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7754 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7755 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7756 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7757 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7758 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7759 determine the size of Wtype, etc.
7760 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7761 (swfloatfuncs): New variable.
7762 (dwfloatfuncs): Likewise.
7763 (lib2funcs): Remove floating-point conversion functions from
7764 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7765 the set of conversion routines needed. Allow entries to specify
7766 an object name, filename and word size. Update users accordingly.
7767 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7768 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7772 2006-02-08 Roger Sayle <roger@eyesopen.com>
7775 * config/fixtfdi.c: New libgcc source file.
7776 * config/fixunstfdi.c: New source file.
7777 * config/floatditf.c: New source file.
7778 * config/floatunditf.c: New souce file.
7779 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7780 files above instead of config/mips/_tilib.c.
7781 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7783 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7785 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7786 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7788 2006-05-18 Mike Stump <mrs@apple.com>
7790 Fix up vla, vm and [*] sematics.
7796 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7797 (c_vla_unspec_p): Add.
7798 (c_vla_type_p): Add.
7799 * c-decl.c (struct c_scope): Add had_vla_unspec.
7800 (build_array_declarator): Add support for [*].
7801 (grokdeclarator): Likewise.
7802 (grokparms): Likewise.
7803 (get_parm_info): Likewise.
7804 * c-objc-common.c (c_vla_unspec_p): Likewise.
7805 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7806 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7807 typeof when argument is a variably modified type not inside sizeof or alignof.
7808 (c_parser_direct_declarator_inner): Propagate errors.
7809 (c_parser_sizeof_expression): Add support for [*].
7810 (c_parser_parms_declarator): Initialize had_vla_unspec.
7811 (c_parser_parms_list_declarator): Likewise.
7812 * c-typeck.c (c_vla_type_p): Add.
7813 (composite_type): Add support for vla compositing.
7814 (comptypes_internal): Add support for vla compatibility.
7815 (c_expr_sizeof_expr): Evaluate vla arguments.
7816 * tree.c (variably_modified_type_p): Update comment for [*].
7818 2006-05-18 Michael Matz <matz@suse.de>
7821 * config.host: Make assignments to host_xmake_file cumulative.
7822 * config.host (*-darwin*): Test $host, not $target.
7824 2006-05-12 Stuart Hastings <stuart@apple.com>
7826 * config/i386/i386.opt (-mstackrealign): New flag.
7827 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7828 (ix86_handle_cconv_attribute): Emit error when
7829 force_align_arg_pointer attribute collides with too many regparms.
7830 (ix86_function_regparm): Limit regparms when used with
7831 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7832 Support stack-realigning prologue in non-main functions. Emit
7833 warning for nested functions under -mstackrealign, emit error for
7834 nested functions with force_align_arg_pointer attribute.
7835 * doc/extend.texi (force_align_arg_pointer): Document it.
7836 * doc/invoke.texi (-mstackrealign): Document it.
7838 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7840 PR rtl-optimization/27477
7841 * combine.c (try_combine): Don't split a parallel consisting
7842 of two sets into two individual sets if both sets reference
7845 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7847 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7848 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7850 * doc/options.texi (VarExists): Updated.
7852 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7854 * unwind-dw2.c: Add declarations for uw_update_context and
7856 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7857 detected, advance frame state and context once to skip over stub.
7859 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7863 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7864 Call rewrite_into_loop_closed_ssa only when something changed.
7865 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7866 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7867 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7868 Test for perfect_nest_p here. Fix formating.
7869 (replace_uses_equiv_to_x_with_y): Fix formating.
7870 (stmt_uses_op): Removed.
7871 (can_convert_to_perfect_nest): Removed loopivs parameter.
7872 Complete the test by checking the scalar dependences.
7873 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7876 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7879 From Dan Kegel <dank@kegel.com>:
7880 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7882 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7884 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7885 if the element type is variably modified without recursing.
7887 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7890 * tree-loop-linear.c (try_interchange_loops): Test for
7891 no data dependences.
7893 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7895 PR tree-optimization/27548
7896 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7897 range of ssa names that appear on abnormal edges.
7898 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7899 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7901 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7904 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7906 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7909 * tree.h (OMP_PARALLEL_COMBINED): Define.
7910 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7911 (new_omp_context): Add is_combined_parallel argument.
7912 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7913 new_omp_context caller.
7914 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7915 Adjust gimplify_scan_omp_clauses callers.
7916 (omp_is_private): Issue errors if iteration variable is firstprivate
7917 or reduction in the current context.
7918 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7919 on combined parallel workshare constructs.
7921 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7923 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7924 (gcc-options.o): New rule.
7926 * optc-gen.awk: Protect variables for gcc-options.o with
7927 #ifdef GCC_DRIVER/#endif.
7929 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7931 Fix PR tree-optimization/27373
7932 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7933 (forward_propagate_addr_expr): Update call.
7935 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7937 * doc/options.texi: Move the Negative option.
7939 2006-05-16 Richard Guenther <rguenther@suse.de>
7941 PR tree-optimization/22303
7942 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7944 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7945 ccp_fold did not simplify the statement.
7947 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7950 * Makefile.in (GCC_OBJS): New.
7951 (OBJS-common): Add opts-common.o.
7952 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7953 (cpp$(exeext)): Likewise.
7954 (gcc.o): Also depend on opts.h.
7955 (opts-common.o): New.
7957 * common.opt (gcoff): Add Negative(gdwarf-2).
7958 (gdwarf-2): Add Negative(gstabs).
7959 (gstabs): Add Negative(gstabs+).
7960 (gstabs+): Add Negative(gvms).
7961 (gvms): Add Negative(gxcoff).
7962 (gxcoff): Add Negative(gxcoff+).
7963 (gxcoff+): Add Negative(gcoff).
7964 * config/i386/i386.opt (m32): Add Negative(m64).
7965 (m64): Add Negative(m32).
7967 * doc/options.texi: Document the Negative option.
7969 * gcc.c: Include "opts.h".
7970 (main): Call prune_options after expandargv.
7972 * optc-gen.awk: Generate common declarations for all flag
7973 variables in options.c. Output the neg_index field.
7975 * opts.c (find_opt): Moved to ...
7976 * opts-common.c: Here. New file.
7978 * opts.h (cl_option): Add a neg_index field.
7980 (prune_options): Likewise.
7982 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7985 * omp-low.c (expand_omp_parallel): Don't assert
7986 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7987 instead search for it.
7990 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7993 2006-05-16 Andreas Schwab <schwab@suse.de>
7995 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7998 2006-05-15 Roger Sayle <roger@eyesopen.com>
8001 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8002 integer constants other than zero are only legitimate on TARGET_64BIT.
8003 <CONST_VECTOR> Only zero vectors are legitimate.
8004 (ix86_cannot_force_const_mem): Integral and vector constants can
8005 always be put in the constant pool.
8007 2006-05-16 DJ Delorie <dj@redhat.com>
8009 * crtstuff.c (__dso_handle): Set section from
8010 TARGET_LBIGCC_SDATA_SECTION if defined.
8011 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8012 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8014 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8017 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8020 2006-05-16 Ben Elliston <bje@au.ibm.com>
8022 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8024 2006-05-15 Per Bothner <per@bothner.com>
8026 * tree.c: (last_annotated_node): Use source_locus typedef.
8027 This permits bootstrapping with --enable-mapped-location.
8029 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8031 PR tree-optimization/26830
8032 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8033 (info_for_ssa_name, current_info_for_ssa_name_age,
8034 blocks_to_update): New variables.
8035 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8036 (clear_ssa_name_info, initialize_flags_in_bb,
8037 mark_block_for_update): New functions.
8038 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8039 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8040 prepare_def_site_for): Use mark_block_for_update.
8041 (mark_def_interesting): Assert that the processed block is marked in
8042 blocks_to_update. Do not take blocks argument.
8043 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8045 (rewrite_update_init_block, rewrite_update_stmt): Only process
8046 blocks with statements to rewrite.
8047 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8048 (update_ssa): Initialize and free blocks_to_update. Do not
8049 clear flags on statements. Do not use blocks bitmap.
8050 * tree.h (SSA_NAME_AUX): Removed.
8051 (struct tree_ssa_name): Removed aux field.
8052 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8054 2006-05-15 Richard Guenther <rguenther@suse.de>
8056 PR tree-optimization/27603
8057 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8058 Do computations in original type.
8060 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8062 * see.c: Code style changes such as redundant paranthesis,
8063 redundant intialization of local variables etc.
8064 (see_main): Declared now as static.
8065 * doc/invoke.texi: Update that -fsee is not enabled by
8068 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8070 * omp-low.c (check_omp_nesting_restrictions): New function.
8071 (scan_omp_1): Call it.
8074 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8075 construct, return *VAR.
8077 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8079 PR rtl-optimization/27406
8080 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8083 2006-05-14 Roger Sayle <roger@eyesopen.com>
8085 PR rtl-optimization/27538
8086 * combine.c (expand_compound_operation): Call gen_lowpart
8087 before calling simplify_shift_const.
8089 2006-05-14 Roger Sayle <roger@eyesopen.com>
8091 PR rtl-optimization/22563
8092 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8093 a fixed width bitfield, always force the intermediates into psuedos.
8095 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8098 * mkconfig.sh: Use operator = instead of == for test.
8100 2006-05-13 Nick Clifton <nickc@redhat.com>
8102 * dwarf2out.c (dbx_reg_number): Check return value from
8103 LEAF_REG_REMAP and only use it if it is valid.
8104 (multiple_reg_loc_descriptor): Likewise.
8106 2006-05-13 Richard Guenther <rguenther@suse.de>
8108 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8111 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8113 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8114 information attached to non-INSNs such as NOTEs.
8115 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8117 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8119 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8121 * config/s390/s390.md: Adjust comment describing On constraint.
8123 2006-05-11 Jan Hubicka <jh@suse.cz>
8125 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8126 to be output at -O0.
8128 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8131 * fold-const.c (size_binop): Move sanity check for arguments to
8132 the beginning of the function.
8135 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8138 2006-05-11 Richard Guenther <rguenther@suse.de>
8141 * fold-const.c (fold_unary): Handle intermediate conversion
8142 to a pointer type like intermediate conversion to an integer
8143 type in folding of (T1)(T2)var to var.
8144 Match the code to the comment in the final conversion for
8145 (T1)(T2)var to (T1)var regarding to type precision. Rather
8146 than disallow T1 being of pointer type, assert that both T1
8147 and var are of pointer type or not. Make sure not to fall
8148 over the frontends lazyness wrt array to pointer decay though.
8150 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8152 * arm.c (arm_struct_value_rtx): Delete.
8153 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8154 (arm_init_cumulative_args): Always initialize nregs to zero.
8156 2006-05-10 Richard Guenther <rguenther@suse.de>
8158 PR tree-optimization/27532
8159 * tree-object-size.c (plus_expr_object_size): Fix typo.
8161 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8164 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8165 ashrdi_const, ashrdi3): Use a scratch register.
8167 2006-05-10 Richard Guenther <rguenther@suse.de>
8169 PR tree-optimization/27302
8170 * fold-const.c (operand_equal_p): For two comparisons,
8171 try comparison of one comparison code swapped if that yields
8174 2006-05-10 Ben Elliston <bje@au.ibm.com>
8176 * tree-pretty-print.c (pretty_print_string): No need to handle
8177 '\0' as a special character.
8179 * tree.h: Include "hashtab.h".
8180 (iterative_hash_expr): Use hashval_t in its prototype.
8181 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8183 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8186 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8187 (hppa*64*-*-hpux11*): Ditto.
8188 (hppa[12]*-*-hpux11*): Ditto.
8190 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8193 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8195 2006-05-09 Michael Matz <matz@suse.de>
8197 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8198 host_extra_gcc_objs and host_xmake_file.
8199 (<*-*-linux*>): Don't overwrite host_xmake_file.
8200 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8201 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8202 (host_detect_local_cpu): Declare.
8203 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8204 * config/i386/i386.c (override_options): Handle -mtune=native
8206 * config/i386/x-i386: New file.
8207 * config/i386/driver-i386.c: New file.
8208 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8211 2006-05-09 Dirk Mueller <dmueller@suse.de>
8212 Richard Guenther <rguenther@suse.de>
8215 * fold-const.c (fold_read_from_constant_string): Relax check
8216 for matching types to matching modes.
8218 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8220 PR rtl-optimization/27335
8221 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8224 2006-05-08 Chao-ying Fu <fu@mips.com>
8225 Richard Sandiford <richard@codesourcery.com>
8227 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8228 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8229 * config/mips/mips.md (UNSPEC_SCC): New constant.
8230 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8231 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8232 (mips_emit_compare): Use it.
8233 (mips_expand_vcondv2sf): New function.
8235 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8237 Fix PR tree-optimization/27093
8238 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8239 renaming when they become not-used_alone.
8241 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8243 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8244 relocation and relocation stubs.
8246 2006-05-08 Eric Christopher <echristo@apple.com>
8248 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8251 2006-05-08 Jan Hubicka <jh@suse.cz>
8254 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8255 unused static functions are needed.
8257 2006-05-08 Roger Sayle <roger@eyesopen.com>
8260 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8261 of a reg_equiv_constant if the result is a legitimate constant.
8263 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8266 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8267 standard 80387 constants, raise the cost to prevent
8268 compress_float_constant() to generate load from memory.
8270 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8272 * config/arm/constraints.md (c): Fix a typo.
8274 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8277 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8280 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8282 (_mm_mwait): Likewise.
8284 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8286 (sse3_monitor): Make it 32bit only.
8287 (sse3_monitor64): New. 64bit monitor.
8289 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8292 * config/i386/i386.c (classify_argument): Skip fields with invalid
8295 2006-05-07 Richard Guenther <rguenther@suse.de>
8297 PR tree-optimization/27409
8298 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8299 Do not try to find zero-sized subvars.
8301 2006-05-07 Richard Guenther <rguenther@suse.de>
8303 PR tree-optimization/27136
8304 * tree-ssa-loop-niter.c (get_val_for): Correct function
8305 comment, assert requirements.
8306 (loop_niter_by_eval): Stop processing if the iterated
8307 value did not simplify.
8309 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8311 * opts.c (flag_see): remove its setting at -O3.
8313 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8315 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8316 * arm/constraints.md: New file.
8317 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8318 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8319 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8320 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8321 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8322 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8323 * arm.md: Include constraints.md.
8324 (thumb_movsi_insn): Use satisfies_constraint_J.
8325 (movhi, movqi): Use satisfies_constraint_I.
8327 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8329 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8330 for atmeg a645 device.
8332 2006-05-06 Richard Guenther <rguenther@suse.de>
8334 PR tree-optimization/27151
8335 * tree-vect-transform.c (vectorizable_condition): Punt on
8336 values that have a different type than the condition.
8338 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8341 * c-parser.c (c_parser_cast_expression): Only insert casts into
8342 hash table if pointer.
8343 * function.c (used_types_insert_helper): Rename from
8345 (used_types_insert): Call used_types_insert_helper.
8346 * function.h (used_types_insert): Accept only one argument.
8348 2006-05-05 David Edelsohn <edesohn@gnu.org>
8350 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8351 scratch with output modifier.
8353 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8356 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8357 with output modifier.
8359 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8362 * config/mips/mips.c (mips_symbolic_address_p): Return true
8363 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8364 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8366 2006-05-04 Richard Guenther <rguenther@suse.de>
8368 PR tree-optimization/14287
8369 PR tree-optimization/14844
8370 PR tree-optimization/19792
8371 PR tree-optimization/21608
8372 PR tree-optimization/27090
8373 * tree-ssa-pre.c (try_combine_conversion): New function.
8374 (compute_avail): After constructing the value-handle
8375 expression, use try_combine_conversion to combine NOP_EXPRs
8376 with previous value-handle expressions and use the result if it
8379 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8381 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8383 2006-05-04 Jan Hubicka <jh@suse.cz>
8386 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8388 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8390 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8391 that this only matches CONST_INTs. All users changed to VOIDmode
8394 * config/bfin/bfin.c: Include "optabs.h".
8395 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8397 (enum bfin_builtins): Add a number of fractional and vector builtins.
8398 (bfin_init_builtins): Likewise.
8399 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8400 (safe_vector_operand, bfin_expand_binop_builtin,
8401 bfin_expand_unop_builtin): New functions.
8402 (bfin_expand_builtin): Handle the new builtins.
8403 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8406 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8409 * Makefile.in (OBJS-common): Add see.o.
8410 (see.o): Add dependencies.
8411 * common.opt (fsee): New flag for the see optimization was added.
8412 * opts.c (flag_see): Initialized.
8413 * passes.c (init_optimization_passes, pass_see): New pass.
8414 * rtl.h (see_main): Declaration as extern.
8415 * timevar.def (TV_SEE): New.
8416 * tree-pass.h (pass_see): Declaration as extern.
8417 * invoke.texi (-fsee): Document.
8418 * recog.c (validate_simplify_insn): New function.
8419 * recog.h (validate_simplify_insn): Declaration as extern.
8420 * df-problems.c (df_chain_dump): Check for NULL.
8422 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8423 Daniel Berlin <dberlin@dberlin.org>
8425 * cfgrtl.c (insert_insn_bb_end_new): New function.
8426 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8428 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8430 * df.h (struct web_entry): Moved from web.c.
8431 (union_defs): Declaration as extern.
8432 (unionfind_root): Likewise.
8433 (unionfind_union): Likewise.
8434 * web.c (struct web_entry): Moved to df.h.
8435 (unionfind_root): Remove static declaration.
8436 (unionfind_union): Likewise.
8437 (union_defs): Likewise and generalize to use callback function.
8438 (web_main): Update arguments for union_defs function call.
8440 2006-05-04 Richard Guenther <rguenther@suse.de>
8442 PR tree-optimization/26447
8443 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8444 produce SSA_NAME copies before the store stmt to avoid
8445 breaking exception handling.
8447 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8450 * gimplify.c (omp_is_private): If var is shared in some outer context,
8451 return false instead of true. Stop searching on parallel context
8454 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8457 * coverage.c: Use get_gcov_unsigned_t() instead of
8458 unsigned_type_node all over.
8460 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8462 PR tree-optimization/27381
8463 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8464 maintain the same immediate_use links.
8465 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8466 node rather than segfaulting.
8468 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8471 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8472 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8473 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8475 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8477 Fix PR tree-optimization/26626
8478 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8480 * tree-ssa-operands.c (access_can_touch_variable): Allow
8481 typecasting through union pointers.
8483 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8486 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8487 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8488 to find if var will be a global variable even in the nested context.
8489 (omp_copy_decl): Only check for global variable at the end, it might
8490 be overridden in outer contexts.
8491 (scan_sharing_clauses): For global variables don't create a field.
8492 (lower_rec_input_clauses): Do nothing for global shared variables.
8493 Emit a barrier at the end of ILIST if there were any decls in both
8494 firstprivate and lastprivate clauses.
8495 (lower_send_clauses): Do nothing for global variables except for
8498 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8500 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8501 of the correct signedness is returned.
8503 2006-05-02 Jeff Law <law@redhat.com>
8505 PR tree-optimization/27364
8506 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8507 multiply expressions.
8509 2006-05-02 Tom Tromey <tromey@redhat.com>
8511 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8513 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8516 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8517 -mthumb -fPIC are used.
8519 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8520 Joshua Kinard <kumba@gentoo.org>
8523 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8524 with 64-bit pointers.
8526 2006-05-02 Paul Brook <paul@codesourcery.com>
8528 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8530 (create_fix_barrier): Check that a suitable barrier location is
8532 (arm_reorg): Include ftmp->address in allowable range of addresses.
8534 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8537 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8540 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8543 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8544 around RESULT_DECL for result passed by reference.
8545 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8546 * omp-low.c (use_pointer_for_field): Don't look at
8547 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8548 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8549 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8550 time or var for passing by reference for
8551 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8552 TREE_ADDRESSABLE variables when passing by reference.
8554 * omp-low.c (dump_omp_region): Fix output formatting.
8557 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8558 (expand_omp_parallel): Likewise.
8559 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8562 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8563 on statement list containing also constructors and destructors.
8564 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8567 * except.c (duplicate_eh_regions): Fix clearing of
8568 cfun->eh->region_array entries.
8570 2006-05-01 DJ Delorie <dj@redhat.com>
8572 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8574 (gcc_cv_objdump): Likewise.
8575 * configure: Regenerated.
8577 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8580 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8581 templates for case 3 and 4.
8583 2006-05-01 DJ Delorie <dj@redhat.com>
8585 * vec.c: Include bconfig.h when appropriate.
8586 * Makefile.in (build/vec.o): Adjust dependencies.
8587 * mkconfig.sh: Make sure config.h isn't used for build machine
8590 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8592 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8594 (mark_phi_for_rewrite): New function.
8595 (insert_phi_nodes_for, mark_use_interesting): Call
8596 mark_phi_for_rewrite.
8597 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8598 (update_ssa): Initialize and free phis_to_rewrite.
8600 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8602 PR rtl-optimization/27291
8603 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8604 folded to a constant.
8606 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8608 PR tree-optimization/27283
8609 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8610 not whole # of iteration descriptions.
8611 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8612 uses abnormal ssa name.
8613 (niter_for_single_dom_exit): Ditto.
8614 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8615 return just the number of iterations.
8617 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8619 PR tree-optimization/27144
8620 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8621 (record_estimate): Only record constant upper bound.
8622 (infer_loop_bounds_from_undefined): Call
8623 compute_estimated_nb_iterations just once.
8624 (proved_non_wrapping_p): Renamed to ...
8625 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8626 (convert_step_widening, scev_probably_wraps_p): Call
8627 n_of_executions_at_most instead of proved_non_wrapping_p.
8628 (substitute_in_loop_info): Do not replace values in bounds.
8629 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8632 2006-05-01 Richard Henderson <rth@redhat.com>
8635 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8636 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8639 2006-05-01 Roger Sayle <roger@eyesopen.com>
8641 * c-typeck.c (parser_build_binary_op): Don't call the function
8642 unsigned_conversion_warning to spot operand/result type overflow.
8643 (build_binary_op): Instead, call convert_and_check instead of
8644 convert to report the problem when the operands are promoted.
8645 * c-common.c (unsigned_conversion_warning): Make static.
8646 * c-common.h (unsigned_conversion_warning): Delete prototype.
8648 2006-05-01 Richard Guenther <rguenther@suse.de>
8650 PR tree-optimization/26726
8651 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8653 (find_interesting_uses_address): ... we work around here
8654 by folding INDIRECT_REFs in the substituted base.
8656 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8658 * omp-low.c (dump_omp_region): Add newlines.
8660 2006-04-30 Roger Sayle <roger@eyesopen.com>
8662 * common.opt (Woverflow): New command line option.
8663 * c-common.c (constant_expression_warning): Check warn_overflow.
8664 (overflow_waring): Pass OPT_Woverflow to warning.
8665 (unsigned_conversion_warning): Likewise.
8666 (convert_and_check): Likewise.
8667 * doc/invoke.texi: Document new command line option.
8669 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8671 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8672 TARGET_NO_FP_IN_TOC for section anchors.
8673 (optimization_options): Enable section anchors for all
8674 non-"Objective" languages.
8676 2006-04-28 Eric Christopher <echristo@apple.com>
8678 * config/darwin-c.c (darwin_ms_struct): Move this
8679 (darwin_set_default_type_attributes): and this...
8680 * config/darwin.c: ... here.
8681 * config/darwin.h (darwin_ms_struct): Declare.
8683 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8685 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8687 2006-04-28 Roger Sayle <roger@eyesopen.com>
8690 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8691 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8692 an unsigned HOST_WIDE_INT.
8693 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8695 (really_start_incremental_init): No need to call convert because
8696 bitsize_zero_node is already of type bitsizetype.
8697 (push_init_level): Extract the value of constructor_index as an
8698 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8699 (process_init_element): Likewise.
8701 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8703 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8704 value before passing to make_relative_prefix.
8706 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8709 * builtins.c (expand_builtin_memset): Expand val in original mode.
8711 2006-04-27 Eric Christopher <echristo@apple.com>
8713 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8714 with #ifndef/#endif.
8715 * config/darwin-c.c (darwin_ms_struct): New.
8716 (darwin_pragma_ms_struct): Ditto.
8717 (darwin_set_default_type_attributes): Ditto.
8718 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8719 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8720 Register ms_struct pragma.
8721 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8722 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8723 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8724 darwin_set_default_type_attributes if TARGET_MACHO.
8726 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8728 PR tree-optimization/26854
8729 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8730 * doc/tree-ssa.texi: Update immuse iterator documentation.
8731 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8732 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8733 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8734 first_safe_imm_use, next_safe_imm_use): Remove.
8735 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8736 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8737 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8738 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8739 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8740 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8741 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8742 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8743 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8744 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8745 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8746 (perfect_nestify): Use new iterator.
8747 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8749 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8750 (next_imm_name): New field in struct immediate_use_iterator_d.
8751 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8752 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8753 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8754 * tree-cfg.c (replace_uses_by): Use new iterator.
8755 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8756 * tree-ssa-operands.c (correct_use_link): Remove.
8757 (finalize_ssa_use_ops): No longer call correct_use_link.
8759 2006-04-27 Stuart Hastings <stuart@apple.com>
8761 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8762 * config/t-darwin (crt3.o): Use it.
8763 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8764 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8765 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8766 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8767 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8770 2006-04-27 Roger Sayle <roger@eyesopen.com>
8772 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8773 size, force the intermediate into a new pseudo rather instead of
8774 performing both a bitwise AND and a bitwise IOR in memory.
8776 2006-04-27 Richard Guenther <rguenther@suse.de>
8778 PR rtl-optimization/26685
8779 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8780 this one "max-flow-memory-locations".
8782 2006-04-27 Richard Guenther <rguenther@suse.de>
8784 PR tree-optimization/25148
8785 * tree-vrp.c (compare_values): Remove code dealing with
8786 comparisons against type min/max value. Honour overflow
8787 and negative constants in code dealing with comparisons
8788 of plus and minus expressions.
8789 (value_inside_range): Use fold_binary with LE_EXPR and
8790 GE_EXPR rather than compare_values.
8792 2006-04-27 Dirk Mueller <dmueller@suse.de>
8794 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8797 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8799 * basic-block.h (safe_insert_insn_on_edge): Removed.
8800 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8802 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8803 Paolo Bonzini <bonzini@gnu.org>
8806 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8807 (simplify_and_const_int): Same.
8809 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8811 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8813 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8816 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8817 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8818 cgraph_global_info_ready.
8821 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8824 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8825 either decl or init is error_mark_node.
8828 * tree-flow.h (struct omp_region): Add sched_kind.
8829 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8830 instead of extracting omp for data.
8831 (expand_omp_for): Save extracted sched_kind.
8833 2006-04-25 Roger Sayle <roger@eyesopen.com>
8835 * expmed.c (store_bit_field): Also check whether the bitsize is
8836 valid for the machine's "insv" instruction before moving the
8837 target into a pseudo for use with the insv.
8838 * config/i386/predicates.md (const8_operand): New predicate.
8839 * config/i386/i386.md (extv, extzv, insv): Use the new
8840 const8_operand predicate where appropriate.
8842 2006-04-25 DJ Delorie <dj@redhat.com>
8844 * doc/install.texi (Specific): Clarify that this is not a list of
8845 supported hosts or targets.
8847 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8849 PR rtl-optimization/26725
8850 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8851 block's BB_DIRTY flag.
8853 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8855 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8858 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8859 to print an integer.
8861 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8863 * varasm.c (align_variable): New function.
8864 (get_block_for_decl): Apply align_variable to DECL before
8865 calculating section information.
8866 (assemble_variable): Split out alignment computation.
8868 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8870 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8873 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8875 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8876 MODE_PARTIAL_INT mode.
8877 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8878 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8880 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8881 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8883 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8885 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8887 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8888 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8889 MACFLAG_IH): Likewise.
8890 (movstricthi_1): Renamed from "*movstricthi".
8891 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8892 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8893 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8894 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8895 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8896 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8897 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8898 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8899 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8900 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8901 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8902 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8903 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8904 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8905 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8907 * doc/rtl.texi (ss_ashift): Improve wording.
8909 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8911 * dwarf2out.c (verify_marks_clear): New.
8912 (prune_unused_types): Call verify_marks_clear initially, not
8915 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8917 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8918 * doc/rtl.texi: Document them.
8919 * simplify-rtx.c (simplify_unary_operation,
8920 simplify_binary_operation_1): Don't abort when we see them.
8922 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8925 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8926 * configure.ac: Completely disregard languages that are not
8928 * configure: Regenerated.
8930 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8931 Richard Guenther <rguenther@suse.de>
8933 PR tree-optimization/27236
8934 * tree-inline.c (copy_body_r): Make sure to copy
8935 TREE_THIS_VOLATILE flag.
8937 2006-04-24 Richard Guenther <rguenther@suse.de>
8940 * tree-complex.c (update_parameter_components): Don't handle
8941 unused parameters which have no default def.
8943 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8944 Richard Guenther <rguenther@suse.de>
8946 PR tree-optimization/27218
8947 * tree-inline.c (expand_call_inline): Strip useless type
8948 conversions for the return slot address.
8950 2006-04-24 Richard Guenther <rguenther@suse.de>
8952 * cfgloop.h (struct loops): Remove unused field array. Reorder
8954 (LOOP_PREFETCH): Remove.
8956 2006-04-24 Richard Guenther <rguenther@suse.de>
8958 PR tree-optimization/22525
8959 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8960 variable, adjust types of generated expressions.
8962 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8964 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8965 (tree-vect-patterns.o): Likewise.
8967 (cselib.o): Likewise.
8968 (loop-doloop.o): Likewise.
8969 (regclass.o): Likewise.
8970 (reload1.o): Likewise.
8971 (explow.o): Replace target.h with $(TARGET_H).
8972 (ipa-prop.o): Likewise.
8973 (ipa-cp.o): Likewise.
8974 (ipa-inline.o): Likewise.
8975 (reorg.o): Likewise.
8976 (reg-stack.o): Likewise.
8978 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8980 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8982 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8984 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8986 * configure.ac: Completely disregard languages that are not
8988 * configure: Regenerated.
8991 * c-common.h (c_build_bitfield_integer_type): Declare.
8992 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8993 * c-common.c (c_build_bitfield_integer_type): ... here.
8995 2006-04-23 Roger Sayle <roger@eyesopen.com>
8998 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8999 a SImode SUBREG of a floating point register after no_new_pseudos.
9001 2006-04-23 Roger Sayle <roger@eyesopen.com>
9003 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9004 identify potentially eliminable registers to additionally catch
9005 VIRTUAL_INCOMING_ARGS_REGNUM.
9006 (addsi3): Update the conditions on when to use addsi_small_int.
9008 2006-04-23 Roger Sayle <roger@eyesopen.com>
9011 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9012 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9013 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9015 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9017 * fold-const.c (range_predecessor): Use operand_equal_p
9018 as the predicate for equality.
9019 (range_successor): Likewise.
9021 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9024 * config/soft-fp/op-common.h: Fix a typo.
9026 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9029 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9030 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9032 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9034 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9036 * doc/tm.texi: Fix a typo.
9038 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9040 * dwarf2out.c (struct die_struct): Document that die_sib makes
9041 a circular linked list.
9042 (FOR_EACH_CHILD): New.
9043 (reverse_die_lists): Delete.
9044 (reverse_all_dies): Delete.
9045 (add_dwarf_attr): Correct documentation.
9046 (remove_child_with_prev): New.
9047 (remove_child_TAG): Update for change to die_struct, use
9048 remove_child_with_prev.
9049 (add_child_die): Update for change to die_struct.
9050 (splice_child_die): Use remove_child_with_prev and add_child_die.
9051 (print_die): Use FOR_EACH_CHILD.
9052 (die_checksum): Likewise.
9053 (assign_symbol_names): Likewise.
9054 (output_location_lists): Likewise.
9055 (build_abbrev_table): Likewise.
9056 (calc_die_sizes): Likewise.
9057 (mark_dies): Likewise.
9058 (unmark_dies): Likewise.
9059 (unmark_all_dies): Likewise.
9060 (output_die): Likewise.
9061 (prune_unused_types_mark): Likewise.
9062 (prune_unused_types_walk): Likewise.
9063 (same_die_p): Update for change to die_struct.
9064 (break_out_includes): Likewise.
9065 (prune_unused_types_prune): Likewise.
9066 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9067 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9069 (dwarf2out_finish): Don't call reverse_all_dies.
9071 2006-04-21 Eric Christopher <echristo@apple.com>
9073 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9074 in comments and function names.
9076 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9079 * c-typeck.c (digest_init): Robustify.
9081 * c-typeck.c (pop_init_level): Simplify.
9083 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9085 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9087 2006-04-21 Paul Brook <paul@codesourcery.com>
9089 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9090 hardware floating point.
9092 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9094 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9097 2006-04-21 Nick Clifton <nickc@redhat.com>
9099 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9102 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9105 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9106 C++ lang type in traceback table for Objective-C++.
9108 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9110 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9112 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9114 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9117 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9118 were errors. Remove check for erroneous objects.
9120 2006-04-20 Jeff Law <law@redhat.com>
9122 PR tree-optimization/26854
9123 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9124 checking for zero or one use.
9125 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9126 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9127 * tree-ssa-reassoc.c (negate_value): Similarly.
9128 (reassociate_bb): Similarly.
9130 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9132 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9133 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9134 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9136 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9138 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9139 fp regs if the last fp arg doesn't fit in regs.
9141 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9144 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9145 that the last insn has the REG_INC note.
9147 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9148 Nathan Sidwell <nathan@codesourcery.com>
9151 * stor-layout.c (update_alignment_for_field): Do not align
9153 (place_union_field): Place union field at the start of the union.
9154 (place_field): Move ERROR_MARK check later, and use the current
9155 allocation position to maintain monotonicity.
9157 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9159 * dominance.c: Include timevar.h.
9160 (calculate_dominance_info): Use TV_DOMINANCE.
9161 * timevar.def (TV_DOMINANCE): New timevar.
9162 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9164 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9166 PR rtl-optimization/14261
9167 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9168 move would be an INSV insn.
9169 (noce_process_if_block): Don't optimize if the destination is a
9170 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9172 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9174 * config/s390/s390.md: Add comments with the instructions emitted
9175 by an insn pattern if macros are used.
9177 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9179 PR rtl-optimization/26026
9180 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9181 is a known power of two shifted left a variable amount.
9183 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9185 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9186 to hash table twice when the debug_str section has SECTION_MERGE.
9188 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9190 * config/soft-fp: New directory. From glibc.
9191 * config/soft-fp/t-softfp: New.
9192 * config/soft-fp/README: New.
9193 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9194 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9195 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9196 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9197 * config.gcc: Use rs6000/t-fprules-fpbit or
9198 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9200 * config/rs6000/sfp-machine.h: New. Based on glibc.
9201 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9203 * config/rs6000/t-fprules: Remove fp-bit rules.
9204 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9205 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9206 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9207 (softfp_wrap_start, softfp_wrap_end): New.
9209 2006-04-18 DJ Delorie <dj@redhat.com>
9211 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9213 2006-04-18 Devang Patel <dpatel@apple.com>
9215 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9217 2006-04-18 Nick Clifton <nickc@redhat.com>
9219 * config/sh/t-symbian: Add rule to build sh-c.o
9220 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9221 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9222 (sh_symbian_encode_section_info): Likewise.
9224 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9226 * builtins.c (expand_builtin_strcmp): Cover label definition of
9227 do_libcall with HAVE_cmpstrnsi.
9229 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9231 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9233 * function.h (temp_slot_p): New.
9234 (function): Change the type of x_used_temp_slots to
9235 VEC(temp_slot_p,gc) *.
9237 2006-04-18 Nick Clifton <nickc@redhat.com>
9239 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9240 flag_strength_reduce.
9242 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9244 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9248 Partial revert of revision 112637
9249 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9250 Dale Johannesen <dalej@apple.com>
9253 * regclass.c (struct reg_pref): Update documentation.
9254 (regclass): Set prefclass to NO_REGS if memory is the best option.
9255 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9257 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9259 PR tree-optimization/26821
9260 * tree-ssa-math-opts.c (get_constant_one): New.
9261 (insert_reciprocals): Use it.
9263 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9265 * dwarf2out.c (free_AT): Delete.
9266 (remove_AT): Update string ref counts.
9267 (remove_child_TAG): Don't call free_die.
9269 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9270 or DW_TAG_GNU_EINCL.
9271 (prune_unused_types_walk_attribs): Reset string refcounts.
9272 (prune_unused_types_update_strings): New.
9273 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9274 call free_die. Do call prune_unused_types_update_strings.
9275 (prune_unused_types): Empty debug_str_hash.
9277 2006-04-17 Roger Sayle <roger@eyesopen.com>
9279 * expr.c (expand_assignment): Optimize away no-op moves where the
9280 source and destination are equal and have no side-effects.
9282 2006-04-17 Richard Guenther <rguenther@suse.de>
9285 * reload.c (push_reload): Guard calls to get_secondary_mem
9288 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9290 * alias.c (reg_base_value, old_reg_base_value): Change the
9291 type to VEC(rtx,gc) *.
9292 (REG_BASE_VALUE, find_base_value, record_set,
9293 init_alias_analysis): Use VEC instead of VARRAY.
9295 * alias.c (alias_sets): Change the type to
9296 VEC(alias_set_entry,gc) *.
9297 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9298 VEC instead of VARRAY.
9299 (last_alias_set): Remove.
9301 * cgraph.h (cgraph_edge_p): New.
9302 Update the prototype of cgraph_function_versioning.
9303 * cgraphunit.c (cgraph_copy_node_for_versioning,
9304 cgraph_function_versioning): Use VEC instead of VARRAY.
9305 * ipa-cp.c (ipcp_insert_stage): Likewise.
9307 2006-04-16 Roger Sayle <roger@eyesopen.com>
9310 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9311 "A op B" or "A op C", we may need to convert A to the type of B and C.
9313 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9315 * target.h (struct gcc_target): Add mode_rep_extended.
9316 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9317 (init_num_sign_bit_copies_in_rep): Initialize it using
9319 (truncate_to_mode): Use it.
9320 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9321 * targhooks.h (default_mode_rep_extended): Declare it.
9322 * targhooks.c (default_mode_rep_extended): Define it.
9323 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9324 default_mode_rep_extended.
9325 (TARGET_INITIALIZER): Include it.
9326 * doc/tm.texi (Misc): Document it.
9327 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9328 (mips_truncated_to_mode): New function.
9330 2006-04-16 Roger Sayle <roger@eyesopen.com>
9333 * expr.c (compress_float_constant): Copy the narrow constant into
9334 a new pseudo before extending it to its final width.
9336 2006-04-16 Roger Sayle <roger@eyesopen.com>
9337 Andrew Pinski <pinskia@gcc.gnu.org>
9338 Dale Johannesen <dalej@apple.com>
9341 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9342 special case code to implement V8HImode and V16QImode with SSE2.
9344 2006-04-15 Roger Sayle <roger@eyesopen.com>
9346 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9347 trees are constructed with a suitable tree type.
9349 2006-04-15 Roger Sayle <roger@eyesopen.com>
9351 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9352 (integer_onep): Likewise.
9353 (integer_all_onesp): Likewise.
9354 (integer_pow2p): Likewise.
9355 (integer_nonzerop): Likewise.
9356 (real_zerop): Likewise.
9357 (real_onep): Likewise.
9358 (real_twop): Likewise.
9359 (real_minus_onep): Likewise.
9360 (int_size_in_bytes): Likewise.
9361 (host_integerp): Likewise.
9363 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9365 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9366 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9367 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9369 * tree-ssa-structalias.h (alias_info): Remove num_references.
9371 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9373 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9374 (output_bvb patterns): Likewise.
9375 * pa.c (output_bb): Use 'bb' insn for long branch case.
9376 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9377 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9378 1. Correct length operand for alternatives 1 and 2.
9379 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9380 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9382 2006-04-14 Roger Sayle <roger@eyesopen.com>
9384 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9385 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9386 were accidentally reverted by r112959.
9388 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9391 * except.h (eh_region_outermost): New prototype.
9392 * except.c (eh_region_outermost): New function.
9393 * tree-cfg.c (find_outermost_region_in_block): Use it.
9395 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9397 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9399 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9400 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9401 (init_reload, reload): Use VEC instead of VARRAY.
9402 * reload.h: Update the prototype for
9403 reg_equiv_memory_loc_varray.
9405 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9406 Eric Botcazou <ebotcazou@libertysurf.fr>
9408 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9411 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9414 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9415 to expand fallback builtin function call.
9417 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9420 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9421 and emit libcall here in case the builtin fails.
9422 (expand_builtin_strcmp): Always emit the libcall here on failure.
9424 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9426 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9427 * flow.c (reg_n_info): Change the type to
9428 VEC(reg_info_p,heap) *.
9429 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9431 * regs.h (reg_info_p): New.
9432 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9433 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9434 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9437 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9439 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9441 * params.h (MAX_SCHED_READY_INSNS): New macro.
9442 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9443 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9444 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9445 the ready list for 1 cycle during the first scheduling pass.
9446 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9448 2006-04-13 Richard Henderson <rth@redhat.com>
9451 * gimple-low.c (lower_omp_directive): Remove dead code.
9452 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9453 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9454 * omp-low.c (struct omp_region): Move to tree-flow.h.
9455 (root_omp_region): Export.
9456 (omp_regions, lookup_omp_region): Remove.
9457 (determine_parallel_type): Update for struct omp_region changes.
9458 (dump_omp_region): Dump regions with block numbers.
9459 (new_omp_region): Take type and block instead of stmt; malloc
9461 (free_omp_region_1, free_omp_regions): New.
9462 (expand_parallel_call): Take entry_stmt as argument; update for
9463 changes to omp_region.
9464 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9465 (remove_exit_barriers): New.
9466 (expand_omp_parallel): Update for struct omp_region changes.
9467 (expand_omp_synch): Likewise.
9468 (expand_omp): Likewise.
9469 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9470 (expand_omp_for_static_chunk): Likewise.
9471 (expand_omp_for): Likewise.
9472 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9473 (expand_omp_sections): Similarly, with GOMP_sections_end.
9474 (expand_omp_single): New.
9475 (build_omp_regions_1): Update for OMP_CONTINUE.
9476 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9477 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9478 OMP_SECTIONS_SECTIONS.
9479 (lower_omp_single_simple): Don't emit barrier here.
9480 (lower_omp_single_copy): Likewise.
9481 (lower_omp_single): Fix bindings, and lower to straightline now.
9482 (lower_omp_master, lower_omp_ordered): Likewise.
9483 (lower_omp_critical): Likewise.
9484 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9485 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9486 omp edges, free it afterward.
9487 (make_omp_sections_edges): Remove.
9488 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9489 (move_stmt_r): Handle OMP_CONTINUE.
9490 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9491 statement pointers to basic blocks. Add type member.
9492 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9493 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9494 * tree-inline.c (estimate_num_insns_1): Likewise.
9495 * tree-pretty-print.c (dump_generic_node): Likewise.
9496 * tree-ssa-operands.c (get_expr_operands): Likewise.
9497 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9498 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9499 (OMP_CONTINUE): New.
9500 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9501 (OMP_SECTIONS_SECTIONS): Remove.
9502 (OMP_SECTION_LAST): New.
9503 (OMP_RETURN_NOWAIT): New.
9505 2006-04-13 Roger Sayle <roger@eyesopen.com>
9507 * fold-const.c (native_encode_vector, native_interpret_real):
9508 Correct obvious mistakes in the previous check-in.
9510 2006-04-13 Roger Sayle <roger@eyesopen.com>
9512 * fold-const.c (native_encode_expr): New function to encode
9513 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9514 or VECTOR_CST into a specified buffer.
9515 (native_encode_int): New function.
9516 (native_encode_real): New function.
9517 (native_encode_complex): New function.
9518 (native_encode_vector): New function.
9519 (native_interpret_expr): Inverse of native_encode_expr to convert
9520 a target representation into an INTEGER_CST, REAL_CST etc...
9521 (native_interpret_int): New function.
9522 (native_interpret_real): New function.
9523 (native_interpret_complex): New function.
9524 (native_interpret_vector): New function.
9525 (fold_view_convert_expr): New function to constant fold/evaluate
9526 a VIEW_CONVERT_EXPR of a suitable constant expression.
9527 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9528 Change call of build1 to fold_build1 when constructing a
9531 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9532 Ulrich Weigand <uweigand@de.ibm.com>
9535 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9538 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9541 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9542 optimize to lo_sum for DFmode if !TARGET_FPRS.
9544 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9546 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9547 delete_alias_info, compute_flow_sensitive_aliasing,
9548 group_aliases): Use VEC instead of VARRAY.
9549 * tree-ssa-structalias.c (update_alias_info): Likewise.
9550 * tree-ssa-structalias.h (alias_info): Change the type of
9551 processed_ptrs to VEC(tree,heap) *.
9553 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9556 * config/sh/lib1funcs.h: New file, broken out of:
9557 * config/sh/lib1funcs.asm.
9558 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9560 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9561 * config/sh/lib1funcs-Os-4-200.asm: New file.
9562 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9563 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9564 (EXTRA_MULTILIB_PARTS): Include it.
9565 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9566 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9567 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9568 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9571 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9573 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9574 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9575 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9577 * tree-ssa-live.h: Include vecprim.h.
9578 (tree_partition_associator_d): Change the type of
9579 first_partition to VEC(int,heap) *.
9580 (tpa_first_partition): Use VEC instead of VARRAY.
9582 * Makefile.in (GTFILES): Move functions.h after tree.h.
9583 * function.c (reset_block_changes, record_block_change,
9584 check_block_change, free_block_changes): Use VEC instead of
9586 * function.h (function): Change the type of
9587 ib_boundaries_block to VEC(tree,gc) *.
9588 * tree-inline.c (copy_cfg_body): Initialize
9589 ib_boundaries_block to NULL instead of (varray_type) 0.
9591 2006-04-12 Roger Sayle <roger@eyesopen.com>
9593 * expr.c (emit_group_store): Correct operand order in call to
9594 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9595 a SUBREG_BYTE of zero.
9597 2006-04-12 Richard Guenther <rguenther@suse.de>
9599 * profile.c (compute_branch_probabilities): Remove code
9600 encapsulated in !ir_type (), which are remanents of the
9601 removed RTL profiling code.
9602 * rtl-profile.c: Remove.
9604 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9606 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9607 magic NULL_RTX comment.
9608 (function_arg): Store entire fp arg to mem if any part should go
9610 (rs6000_arg_partial_bytes): Adjust for above change.
9612 2006-04-11 Roger Sayle <roger@eyesopen.com>
9614 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9615 if it hasn't been initialized by dwarf2out_init.
9617 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9619 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9620 symbolic constants in branch patterns.
9622 2006-04-11 Roger Sayle <roger@eyesopen.com>
9624 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9626 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9628 PR rtl-optimization/27073
9629 * gcse.c (try_replace_reg): Revert last change. Continue to search
9630 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9633 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9635 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9636 aggregate types other than record and union types.
9637 (function_arg): Likewise.
9638 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9640 (function_value): In 64-bit mode, return objects that require it
9643 2006-04-11 Roger Sayle <roger@eyesopen.com>
9645 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9647 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9649 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9651 2006-04-03 Jeff Law <law@redhat.com>
9654 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9655 alias information too.
9657 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9659 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9661 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9664 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9665 (premark_used_types_helper): New.
9666 (premark_used_types): New.
9667 (gen_subprogram_die): Call premark_used_types.
9668 (prune_unused_types_walk): Do not prune perennial dies.
9669 * function.c (used_types_insert): New.
9670 * function.h (struct function): Add used_types_hash field.
9671 (used_types_insert): Add prototype.
9672 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9673 * c-parser.c (c_parser_cast_expression): Save casted types in used
9676 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9679 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9680 rs6000_explicit_options.float_gprs.
9682 2006-04-10 Roger Sayle <roger@eyesopen.com>
9684 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9685 from ix86_expand_vector_init_low_nonzero. Take an additional
9686 one_var argument indicating which element is non-zero. Support
9687 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9688 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9689 with one_var instead of ix86_expand_vector_init_low_nonzero.
9691 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9693 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9694 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9695 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9696 build/genextract.o): Depend on vecprim.h.
9697 * cfglayout.c, df-problems.c, function.c, genextract.c,
9698 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9699 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9703 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9705 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9706 Declare VECs of this type.
9707 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9708 (remove_children): Delete.
9709 (add_dwarf_attr): Use VEC routines.
9710 (add_AT_flag): Update for changes to add_dwarf_attr.
9711 (add_AT_int): Likewise.
9712 (add_AT_unsigned): Likewise.
9713 (add_AT_long_long): Likewise.
9714 (add_AT_vec): Likewise.
9715 (add_AT_string): Likewise.
9716 (add_AT_die_ref): Likewise.
9717 (add_AT_fde_ref): Likewise.
9718 (add_AT_loc): Likewise.
9719 (add_AT_loc_list): Likewise.
9720 (add_AT_addr): Likewise.
9721 (add_AT_lbl_id): Likewise.
9722 (add_AT_lineptr): Likewise.
9723 (add_AT_macptr): Likewise.
9724 (add_AT_offset): Likewise.
9725 (add_AT_range_list): Likewise.
9726 (get_AT): Use VEC_iterate.
9727 (remove_AT): Use VEC_ordered_remove.
9728 (free_die): Fold remove_children into here; have it use VEC_iterate.
9729 (print_die): Use VEC_iterate on attrs.
9730 (reverse_die_lists): Don't reverse attr lists.
9731 (die_checksum): Use VEC_iterate on attrs.
9732 (same_die_p): Likewise.
9733 (output_location_lists): Likewise.
9734 (build_abbrev_table): Likewise.
9735 (size_of_die): Likewise.
9736 (unmark_all_dies): Likewise.
9737 (output_abbrev_section): Likewise.
9738 (output_die): Likewise.
9739 (prune_unused_types_walk_attribs): Likewise.
9741 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9743 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9745 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9748 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9750 2006-04-09 Roger Sayle <roger@eyesopen.com>
9752 * expr.c (store_constructor): Don't bother clearing target if
9753 we're about to assign a vector to it using vec_init_optab.
9755 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9757 * tree-ssa-alias.c (lhs_may_store_to): New function.
9758 (recalculate_used_alone): Handle LHS of calls.
9760 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9764 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9765 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9766 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9767 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9768 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9769 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9770 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9771 stubs. Add ".align 8" directives before all ".dword" directives.
9772 (GTHREAD_USE_WEAK): Revise comment.
9773 (TARGET_ATTRIBUTE_WEAK): Define.
9774 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9775 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9776 * stublib.c: New file.
9781 * pa.md (cbranch patterns): Revise arguments used in calls to
9782 output_cbranch, output_bb and output_bvd. Add long branch length
9784 (fbranch patterns): Handle long branches.
9785 (jump): Revise length check. Revise arguments for output_lbranch call.
9786 Add long branch length attributes.
9787 (decrement_and_branch_until_zero): Add long branch length attributes.
9788 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9789 Likewise. Revise arguments for output_parallel_addb and
9790 output_parallel_movb calls.
9791 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9792 output_parallel_movb and output_parallel_addb): Update prototypes.
9793 * pa.c (output_cbranch): Revise arguments. Correct handling of
9794 nullification in long branches.
9795 (output_lbranch): Add new argument to control extraction of delay
9797 (output_bb): Handle long branches.
9798 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9799 output_parallel_addb): Likewise.
9801 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9803 PR rtl-optimization/27073
9804 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9807 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9809 * tree.h (tree_memory_tag): Add old_used_alone.
9810 (SMT_OLD_USED_ALONE): New macro.
9811 * tree-ssa-alias.c (recalculate_used_alone): Stop
9812 marking things for renaming unnecessarily.
9814 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9816 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9817 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9818 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9819 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9820 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9821 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9822 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9823 spelling convensions.
9824 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9825 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9826 typos. Follow spelling conventions.
9828 2006-04-07 DJ Delorie <dj@redhat.com>
9830 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9831 passed on the stack.
9832 (m32c_init_cumulative_args): When a function returns a structure,
9833 always pass the pointer to that return area on the stack.
9834 (m32c_function_arg_advance): Don't increment the parameter number
9835 if we're processing the returned structure pointer.
9836 (pushm_info): Reverse order of registers.
9838 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9840 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9841 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9842 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9843 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9845 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9846 chrec_fold_multiply): Same.
9847 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9848 force_expr_to_var_cost): Same.
9849 * tree-mudflap.c (mf_xform_derefs_1): Same.
9850 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9852 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9854 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9855 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9858 2006-04-07 Jan Hubicka <jh@suse.cz>
9860 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9862 2006-04-07 Richard Guenther <rguenther@suse.de>
9864 PR tree-optimization/26135
9865 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9866 loads for store copy-prop.
9867 (copy_prop_visit_stmt): Likewise.
9869 2006-04-05 Robert Millan <robertmh@gnu.org>
9871 * config/i386/linux.h: Add a comment to mark macros that are
9872 being overriden in config/k*bsd-gnu.h.
9873 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9875 * config/knetbsd-gnu.h: Ditto.
9877 2006-04-06 Jan Hubicka <jh@suse.cz>
9881 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9884 2006-04-06 Mike Stump <mrs@apple.com>
9886 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9887 for HAVE_nonlocal_goto to be consistent.
9888 (expand_builtin_nonlocal_goto): Likewise.
9889 (expand_builtin_strcmp): Use #ifdef instead of #if
9890 for HAVE_cmpstrnsi to be consistent.
9892 2006-04-05 DJ Delorie <dj@redhat.com>
9894 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9897 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9899 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9900 got-relative addressing for anything but SImode.
9902 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9903 even if the calling function doesn't modify them.
9905 2006-04-05 Richard Guenther <rguenther@suse.de>
9907 PR tree-optimization/26919
9908 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9909 to cgraph_estimate_size_after_inlining.
9911 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9913 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9915 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9917 PR tree-optimization/26996
9918 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9919 VECTOR_TYPE variables.
9921 2006-04-05 Richard Guenther <rguenther@suse.de>
9923 PR tree-optimization/26763
9924 * fold-const.c (fold_comparison): Move folding of
9925 PTR + CST CMP PTR + CST ...
9926 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9928 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9930 * doc/install.texi (Prerequisites): Refine some wording on
9931 bootstrapping and ksh.
9932 Move the version numbers of DejaGnu here from the testing section
9933 and fix casing of names.
9934 Fix markup and clarify wording for autogen requirements.
9935 Refer to GCJ instead of just java.
9936 Refer to SVN instead of CVS.
9937 Describe diffutils as useful instead of necessary.
9938 (Downloading the source): Refer to SVN instead of CVS.
9939 Adjust a link to our web site accordingly.
9940 (Configuration): Fix casing of Bison.
9941 (Building): Refer to SVN instead of CVS.
9942 Fix a sentence on the use of Bison and remove duplicate (and
9943 incorrect) version number of Bison requirement.
9944 Remove one redundant list of packages needed for building.
9945 (Specific): Avoid reference to CVS.
9947 2006-04-04 Eric Christopher <echristo@apple.com>
9949 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9950 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9951 (rs6000_handle_struct_attribute): New.
9952 (rs6000_ms_bitfield_layout_p): Ditto.
9954 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9956 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9957 NULL for dso parameter to atexit_common.
9959 2006-04-04 Eric Christopher <echristo@apple.com>
9961 * config/i386/i386.c (machopic_output_stub): Output \t
9962 between instructions and operands.
9964 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9966 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9967 satisfies_constraint_[IL] to explicit tests on value.
9969 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9971 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9972 set_nb_iterations_in_loop): Use build_int_cst instead of
9974 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9975 build_int_cst instead of convert.
9977 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9979 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9980 new value 2 for incoming.
9981 * function.c (expand_function_start): Call struct_value_rtx
9983 * config/sparc/sparc.md: Comment updated_return.
9984 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9985 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9986 struct return if sparc_std_struct_return and incoming is 2.
9987 (print_operand): Do not adjust return if
9988 sparc_std_struct_return.
9990 2006-04-04 Roger Sayle <roger@eyesopen.com>
9992 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9993 convert in the middle-end.
9994 * expr.c (store_expr, store_constructor, get_inner_reference,
9995 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9997 * tree.c (build_range_type): Likewise.
9999 2006-04-04 Tom Tromey <tromey@redhat.com>
10001 * doc/install.texi (Prerequisites): Mention jar.
10003 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10005 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10008 2006-04-04 Matthias Klose <doko@debian.org>
10010 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10014 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10017 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10019 * doc/extend.texi (Function Attributes): Rewrite visibility
10020 attribute documentation.
10021 * doc/invoke.texi (C++ Dialect Options): Rewrite
10022 -fvisibility-inlines-hidden documentation to describe something
10023 entirely different, although in practise compatible.
10024 (Code Gen Options): Warn about system headers in -fvisibility=
10027 * doc/extend.texi (Other Builtins): Document that
10028 __builtin_nan is a compile-time constant only when its argument
10031 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10033 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10034 trying to remove TRUNCATE check if all bits outside the new mode
10035 are identical to the sign bit.
10037 2006-04-03 Jeff Law <law@redhat.com>
10039 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10040 and operand scanning in some common cases.
10042 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10043 Dale Johannesen <dalej@apple.com>
10046 * regclass.c (struct reg_pref): Update documentation.
10047 (regclass): Set prefclass to NO_REGS if memory is the best option.
10048 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10049 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10050 into account. For non-registers, equate an empty preferred
10051 reload class to a `!' in the constraint; move the if clause to
10052 do so after those that reject the insn.
10053 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10055 (find_dummy_reload): Likewise.
10056 * doc/tm.texi (Register Classes): Document what it means
10057 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10058 * config/i386/i386.c (ix86_preferred_reload_class): Force
10059 using SSE registers (and return NO_REGS for floating-point
10060 constants) if math is done with SSE.
10061 (ix86_preferred_output_reload_class): New.
10062 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10063 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10064 * config/i386/i386.md: Remove # register preferences.
10066 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10069 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10070 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10071 the type of nb_iter.
10072 (instantiate_parameters_1): Convert the operands before calling
10073 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10074 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10076 2006-04-02 Roger Sayle <roger@eyesopen.com>
10078 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10079 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10080 instead of convert.
10081 * dojump.c (do_jump): Likewise.
10082 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10083 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10084 gimplify_boolean_expr): Likewise.
10085 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10086 * varasm.c (array_size_for_constructor): Likewise.
10087 * tree-object-size.c (compute_object_offset): Likewise.
10089 2006-04-02 Roger Sayle <roger@eyesopen.com>
10091 PR middle-end/26977
10092 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10093 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10095 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10097 PR tree-optimization/26939
10098 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10100 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10102 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10103 at_stmt. Convert the type of operands before calling
10104 build_polynomial_chrec.
10105 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10106 add_to_evolution_1.
10107 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10108 (instantiate_parameters_1): Convert the type of operands before calling
10109 build_polynomial_chrec.
10110 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10111 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10112 reset_evolution_in_loop): Insert asserts to check the types of the
10114 (chrec_type): Moved...
10115 (eq_evolutions_p): Use operand_equal_p.
10116 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10117 the types of the operands.
10118 (chrec_type): ...here.
10119 * tree-data-ref.c (create_data_ref): Convert the operands before
10120 calling chrec_replace_initial_condition.
10121 (same_access_functions, analyze_subscript_affine_affine,
10122 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10123 (compute_subscript_distance, analyze_ziv_subscript,
10124 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10125 analyze_miv_subscript): Convert the operands before calling
10126 chrec_fold_minus or chrec_fold_plus.
10128 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10130 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10131 the dependence_relations vector.
10132 (compute_data_dependences_for_loop): Adjust call to
10133 compute_all_dependences.
10135 2006-04-01 Roger Sayle <roger@eyesopen.com>
10136 Richard Henderson <rth@redhat.com>
10138 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10139 gimple_boolify on the condition before calling gimplify_expr.
10141 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10143 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10144 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10145 the frame size. Update to use the new macros.
10146 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10147 * config/xtensa/ieee754-df.S: Likewise.
10149 2006-03-31 Richard Henderson <rth@redhat.com>
10151 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10152 (make_edges): ... here. Control fallthru creation with a local
10153 variable. Do not play with fake edges.
10154 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10155 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10158 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10160 * dwarf2.h (DW64_CIE_ID): Define.
10161 * dwarf2out.c (DWARF_CIE_ID): Define.
10162 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10163 length header. Use DWARF_CIE_ID.
10164 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10165 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10167 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10169 * config/sh/linux-atomic.asm: New file.
10170 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10172 2006-03-31 DJ Delorie <dj@redhat.com>
10174 * config/m32c/cond.md: Set condition flags properly throughout.
10175 * config/m32c/minmax.md: Likewise.
10176 * config/m32c/prologue.md: Likewise.
10177 * config/m32c/bitops.md: Likewise.
10178 * config/m32c/muldiv.md: Likewise.
10179 * config/m32c/mov.md: Likewise.
10180 * config/m32c/addsub.md: Likewise.
10181 * config/m32c/m32c.md: Likewise.
10182 * config/m32c/jump.md: Likewise.
10183 * config/m32c/shift.md: Likewise.
10185 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10186 conditionally output the pattern for this.
10187 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10188 (m32c_compare_redundant): New.
10189 (m32c_output_compare): New.
10190 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10192 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10193 dest, not src. Allow other 4-byte modes.
10195 2006-03-30 Denis Chertykov <denisc@overta.ru>
10197 * doc/md.texi: Refer to avr/constraints.md instead of
10200 2006-03-30 Roger Sayle <roger@eyesopen.com>
10202 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10203 signed vs. unsigned comparison failures on some hosts.
10205 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10208 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10209 change to FLOAT_REGS.
10211 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10212 (rs6000_override_options): Use it.
10213 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10214 only for -mabi=spe/no-spe and -mabi=altivec.
10216 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10218 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10221 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10223 * Makefile.in: Rename docdir to gcc_docdir.
10225 2006-03-30 Roger Sayle <roger@eyesopen.com>
10228 * expr.c (emit_group_store): Optimize group stores into a pseudo
10229 register by using a paradoxical subreg to initialize the destination
10230 if the first or last member of the group specifies a "low part".
10232 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10235 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10236 * target.h (struct gcc_target.speculate_insn): Change type of the
10237 second parameter to 'int'.
10238 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10239 the second operand of the DEPS_LIST.
10240 (copy_DEPS_LIST_list): Update reference to the second operand of the
10242 * rtl.h (alloc_DEPS_LIST): Update signature.
10243 * sched-int.h (ds_t): Change typedef to 'int'.
10244 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10246 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10248 * haifa-sched.c (try_ready): Change condition to restore
10249 non-speculative pattern of the instruction.
10250 (process_insn_depend_be_in_spec): Code to keep probability of the
10251 speculative dependence non-decreasing.
10253 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10255 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10256 (single_move_for_movmem): ... this. Also change all uses.
10257 (bfin_expand_strmov): Renamed to...
10258 (bfin_expand_movmem): ... this. Also change all uses.
10259 * config/bfin/bfin.md (movstrsi): Renamed to...
10260 (movstrsi): ...this.
10262 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10264 PR tree-optimization/26830
10266 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10267 (copy_prop_visit_stmt): Remove write-only variable ann.
10268 (init_copy_prop): Check variable loop depth here. Do not simulate
10269 memory-tag and virtual operand PHIs except for store copy prop.
10271 2006-03-30 Richard Guenther <rguenther@suse.de>
10273 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10274 variants with double arguments.
10276 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10278 * genpreds.c (write_tm_constrs_h): Delete variable p.
10279 * genconditions.c (write_header): Add tm-constrs.h to included
10281 * genpeep.c (main): Add toplev.h to included headers.
10282 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10283 (build/genpeep.o): Add toplev.h dependency.
10284 * config/rs6000/constraints.md: Add "W" constraint.
10286 2006-03-29 Roger Sayle <roger@eyesopen.com>
10288 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10289 sizes by correctly testing whether the size fits a host integer.
10290 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10291 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10292 SImode range for the default sizetype and bitsizetype.
10294 2006-03-29 Roger Sayle <roger@eyesopen.com>
10296 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10297 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10298 quickly if the argument is already of the correct type.
10299 Call fold_build1 instead of build1. Tidy up blank lines.
10301 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10303 * genemit.c (main): Add tm-constrs.h to included headers.
10304 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10305 * genpeep.c (main): Add tm-constrs.h to included headers.
10306 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10307 (write_tm_constrs_h): this and write complete file.
10308 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10309 (write_insn_preds_c): Add tm-constrs.h to included headers.
10310 (gen_constrs): New variable.
10311 (parse_option): Parse "-c".
10312 (main): Invoke write_tm_constrs_h.
10313 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10314 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10315 (object_out_file): Add tm-constrs.h dependency.
10316 (insn-emit.o): Same.
10317 (insn-output.o): Same.
10318 (insn-peep.o): Same.
10319 (insn-preds.o): Same.
10320 (insn-recog.o): Same.
10321 (tm-constsr.h): New target.
10322 (s-constrs-h): New target.
10324 * config/rs6000/constraints.md: New file.
10325 * config/rs6000/rs6000.c: Include tm-constrs.h.
10326 (num_insn_constant_wide): Convert to satisfies_constraint.
10327 (rs6000_rtx_costs): Convert to satisfies_constraint.
10328 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10329 (CONST_OK_FOR_LETTER_P): Delete.
10330 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10331 (EXTRA_CONSTRAINT): Delete.
10332 (EXTRA_MEMORY_CONSTRAINT): Delete.
10333 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10334 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10335 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10336 satisfies_constraint.
10338 * config/i386/i386.c: Include tm-constrs.h.
10340 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10342 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10343 * tree-data-ref.c (find_data_references_in_loop,
10344 compute_data_dependences_for_loop): Use pointers to VEC.
10345 (analyze_all_data_dependences): Adjust calls.
10346 * tree-data-ref.h (find_data_references_in_loop,
10347 compute_data_dependences_for_loop): Adjust declarations.
10348 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10349 compute_data_dependences_for_loop.
10351 2006-03-29 Paul Brook <paul@codesourcery.com>
10353 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10354 (movdf_vfp): Ditto.
10356 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10358 PR tree-optimization/26859
10359 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10361 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10362 for the step after fold_convert.
10364 2006-03-29 Paul Brook <paul@codesourcery.com>
10366 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10367 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10369 2006-03-29 Paul Brook <paul@codesourcery.com>
10371 PR middle-end/23623
10372 * targhooks.c (default_narrow_bitfield): New fuction.
10373 * targhooks.h (default_narrow_bitfield): add prototype.
10374 * target.h (gcc_target): Add narrow_volatile_bitfield.
10375 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10376 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10377 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10378 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10380 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10382 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10384 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10385 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10386 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10387 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10388 (s390_function_arg_float): Allow SDmode and DDmode values to be
10389 passed in floating point registers.
10390 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10391 check with SCALAR_FLOAT_MODE_P.
10392 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10394 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10396 PR tree-optimization/25985
10397 * tree-ssa-loop-niter.c (number_of_iterations_le,
10398 number_of_iterations_ne): Make comments more precise.
10399 (number_of_iterations_cond): Add only_exit argument. Use the
10400 fact that signed variables do not overflow only when only_exit
10402 (loop_only_exit_p): New.
10403 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10404 number_of_iterations_cond.
10406 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10408 PR tree-optimization/26643
10409 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10412 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10414 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10415 (divsi3_i4_int): Likewise.
10417 2006-03-28 Roger Sayle <roger@eyesopen.com>
10419 * expr.c (emit_group_store): Only create a new pseudo reg if the
10420 quantity it needs to hold isn't already a suitable pseudo.
10422 2006-03-28 Jeff Law <law@redhat.com>
10424 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10425 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10427 2006-03-28 Roger Sayle <roger@eyesopen.com>
10429 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10430 the equivalent ~X & Y, and the symmetry related transformations.
10431 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10432 ~X & Y, and symmetry related transforms.
10434 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10436 Revert my 2006-03-27 patches.
10438 2006-03-28 Roger Sayle <roger@eyesopen.com>
10440 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10441 ~(T1)X, when T1 and T2 are integer types of the same precision
10442 and (T2)X isn't an extension.
10444 2006-03-28 Jeff Law <law@redhat.com>
10446 PR tree-optimization/26796
10447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10448 need EH edge cleanups rather than purging them immediately.
10449 (eliminate_degenerate_phis): Handle queued EH cleanups.
10451 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10453 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10456 2006-03-27 Roger Sayle <roger@eyesopen.com>
10458 PR middle-end/22524
10459 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10460 cast BIT_NOT_EXPR operand to the correct type.
10462 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10464 * tree-loop-linear.c: Don't include varray.h.
10465 (gather_interchange_stats, try_interchange_loops,
10466 linear_transform_loops): Use VEC instead of VARRAY.
10467 * lambda-mat.c: Don't include varray.h.
10468 * tree-chrec.c: Same.
10469 * lambda-trans.c: Same.
10470 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10471 VEC instead of VARRAY.
10472 * tree-vectorizer.h: Idem.
10473 * tree-data-ref.c (dump_data_references,
10474 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10475 initialize_data_dependence_relation, finalize_ddr_dependent,
10476 compute_all_dependences, find_data_references_in_loop,
10477 compute_data_dependences_for_loop, analyze_all_data_dependences,
10478 free_dependence_relation, free_dependence_relations,
10479 free_data_refs): Idem.
10480 * tree-data-ref.h (data_reference_p, subscript_p): New.
10481 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10482 VEC instead of VARRAY.
10483 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10484 (find_data_references_in_loop, compute_data_dependences_for_loop,
10485 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10486 dump_data_dependence_relations, free_dependence_relations,
10487 free_data_refs): Adjust declaration.
10488 (lambda_transform_legal_p): Move declaration here...
10489 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10490 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10491 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10492 vect_analyze_data_refs): Use VEC instead of VARRAY.
10493 * lambda.h (lambda_transform_legal_p): ...from here.
10494 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10495 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10496 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10497 tree-chrec.o): Don't depend on VARRAY_H.
10499 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10501 * rtl.def (Copyright): Update date.
10502 (DEPS_LIST): Change type of the second operand to 'int'.
10503 * target.h (Copyright): Update date.
10504 (struct gcc_target.speculate_insn): Change type of the second parameter
10506 * lists.c (Copyright): Update date.
10507 (alloc_DEPS_LIST): Change signature. Update reference to the second
10508 operand of the DEPS_LIST.
10509 (copy_DEPS_LIST_list): Update reference to the second operand of the
10511 * rtl.h (Copyright): Update date.
10512 (alloc_DEPS_LIST): Update signature.
10513 * sched-int.h (Copyright): Update date.
10514 (ds_t): Change typedef to 'int'.
10515 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10517 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10519 * haifa-sched.c (Copyright): Update date.
10520 (try_ready): Change condition to restore non-speculative pattern
10521 of the instruction.
10522 (process_insn_depend_be_in_spec): Code to keep probability of the
10523 speculative dependence non-decreasing.
10525 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10527 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10528 shut up the compiler.
10530 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10532 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10533 to use lib prefix for target.
10534 ($(T)libic_invalidate_array_4-200.a): Likewise.
10535 ($(T)libic_invalidate_array_4a.a): Likewise.
10537 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10538 J"orn Rennecke <joern.rennecke@st.com>
10540 * superh.opt: New file.
10541 * sh.c (boardtype, osruntime): Remove.
10542 * superh.h (SUBTARGET_OPTIONS): Remove.
10543 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10545 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10546 arguments with ^ and/or [].
10548 * config.gcc (sh-*-*): Add quoting to account for quirk of
10550 Replace == with = in enable_incomplete_targets test.
10552 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10553 with MASK_LITTLE_ENDIAN.
10555 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10556 * config/sh/sh.opt: Added to some comments.
10557 * config/sh/superh.h: Removed some chaff.
10559 * config/sh/sh.opt: Add m4-[1234]00* options.
10560 * config/sh/sh.c (sh_handle_option): Likewise.
10561 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10562 (ic_invalidate_array_4-100.o): New rule.
10563 ($(T)libic_invalidate_array_4-100.a): Likewise.
10564 (ic_invalidate_array_4-200.o): Likewise.
10565 ($(T)libic_invalidate_array_4-200.a): Likewise.
10566 (ic_invalidate_array_4a.o): Likewise.
10567 ($(T)libic_invalidate_array_4a.a): Likewise.
10568 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10569 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10571 * config/sh/crt1.asm: Merged in profiling code.
10572 * config/sh/superh.h (STARTFILE_SPEC): Override.
10573 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10574 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10575 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10577 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10578 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10579 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10581 * sh.opt (mpretend-cmove): New option.
10582 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10583 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10584 (movsicc): Add TARGET_PRETEND_CMOVE code.
10586 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10588 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10589 s390_class_max_nregs): New function prototypes.
10590 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10591 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10592 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10593 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10595 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10597 * dwarf2out.c (add_location_or_const_value_attribute): Call
10598 tree_add_const_value_attribute if nothing else works.
10599 (reference_to_unused): New.
10600 (rtl_for_decl_init): Use reference_to_unused to decide whether
10601 to output an initializer.
10603 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10606 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10607 peephole removing spe frob_di_df_2.
10609 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10611 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10612 (subscript_dependence_tester_1): Declared.
10613 (print_dir_vectors, print_dist_vectors): New.
10614 (debug_data_dependence_relation): New.
10615 (dump_data_dependence_relation): Print more details.
10616 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10617 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10618 (save_dist_v, save_dir_v, add_outer_distances,
10619 build_classic_dist_vector_1): New.
10620 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10621 Don't test for lambda_vector_lexico_pos.
10622 (same_access_functions, add_multivariate_self_dist,
10623 add_other_self_distances, dir_from_dist): New.
10624 (build_classic_dir_vector): Replace implementation almost identical to
10625 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10627 (subscript_dependence_tester_1): New.
10628 (subscript_dependence_tester): Handle the lexicographically negative
10629 distance vectors by recomputing the dependence relation.
10630 (compute_affine_dependence): Remove parameter loop_nest_depth.
10631 (compute_self_dependence): Don't call compute_subscript_distance.
10632 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10633 Add a parameter for the loop_nest.
10634 (find_loop_nest_1, find_loop_nest): New.
10635 (compute_data_dependences_for_loop): Compute the loop nest, and give
10636 up if the nest is not well formed.
10637 * tree-data-ref.h (loop_p): New.
10638 (struct data_dependence_relation): Replace size_vect field with
10639 loop_nest, a vec of loops.
10640 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10641 (DDR_LOOP_NEST): New.
10642 (print_dir_vectors, print_dist_vectors,
10643 debug_data_dependence_relation): Declared.
10644 (index_in_loop_nest): New.
10645 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10646 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10649 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10651 * simplify-rtx.c (simplify_relational_operation): Call
10652 simplify_relational_operation_1 even if mode is VOIDmode.
10654 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10656 PR tree-optimization/26804
10657 * tree.h (DECL_CALL_CLOBBERED): New macro.
10658 (tree_decl_common): Add call_clobbered_flag.
10659 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10660 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10661 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10662 (mark_non_addressable): Ditto.
10663 * tree-ssa.c (verify_call_clobbered): New function.
10664 (verify_alias_info): Use it.
10665 * tree-pass.h (pass_reset_cc_flags): New prototype.
10666 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10667 (reset_cc_flags): New function.
10668 * passes.c (init_optimization_passes): Call reset_cc_flags after
10669 initializing referenced_vars.
10671 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10672 Roger Sayle <roger@eyesopen.com>
10674 PR middle-end/26717
10675 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10676 to 1.0 for non-real operands. Implement A / A optimization for
10679 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10681 * config/i386/i386.c (size_cost): Correct the comment for
10682 cost of storing fp registers.
10683 (i386_cost): Likewise.
10684 (i486_cost): Likewise.
10685 (pentium_cost): Likewise.
10686 (pentiumpro_cost): Likewise.
10687 (k6_cost): Likewise.
10688 (athlon_cost): Likewise.
10689 (k8_cost): Likewise.
10690 (pentium4_cost): Likewise.
10691 (nocona_cost): Likewise.
10692 (generic64_cost): Likewise.
10693 (generic32_cost): Likewise.
10695 2006-03-24 Denis Chertykov <denisc@overta.ru>
10697 * config/avr/avr-protos.h (extra_constraint): Delete.
10698 (extra_constraint_Q): New declaration.
10699 * config/avr/constraints.md: New file.
10700 * config/avr/avr.md: Include it.
10701 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10702 (TMP_REGNO, ZERO_REGNO): Likewise.
10703 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10704 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10705 (extra_constraint): Delete.
10706 (extra_constraint_Q): Test for memory constraint 'Q'.
10707 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10708 (REG_CLASS_FROM_LETTER): Delete.
10709 (CONST_OK_FOR_LETTER_P): Delete.
10710 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10711 (EXTRA_CONSTRAINT): Delete.
10712 (TMP_REGNO): Delete.
10713 (ZERO_REGNO): Delete.
10715 2006-03-24 Jeff Law <law@redhat.com>
10717 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10718 directly. Call mark_new_vars_to_rename slightly earlier.
10720 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10722 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10723 (is_cxx): Likewise.
10724 (gen_compile_unit_die): Use new language types for Objective-C and
10726 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10727 DW_LANG_C_plus_plus.
10730 * config/t-darwin (crt3.o): Work around bug 26840.
10731 * config/darwin-crt3.c: Rewrite.
10732 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10734 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10736 * doc/invoke.texi: Document -femit-class-debug-always
10737 * common.opt: Add -femit-class-debug-always.
10739 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10741 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10742 index and base register.
10743 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10744 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10745 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10746 REGNO_OK_FOR_INDEX_P.
10747 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10749 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10750 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10751 REG_OK_FOR_BASE_P): Definitions removed.
10753 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10755 PR middle-end/26611
10756 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10757 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10758 set yet or weren't marked as local yet.
10760 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10762 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10765 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10767 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10768 (rs6000_legitimate_small_data_p): Delete.
10769 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10770 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10771 and make static. Add forward declaration. Update uses.
10772 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10773 of offsettable_memref_p.
10774 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10775 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10777 2006-03-24 Jeff Law <law@redhat.com>
10779 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10780 around bug in immediate-use iterator.
10782 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10785 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10786 or __LITTLE_ENDIAN__.
10788 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10790 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10791 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10792 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10793 * config/sh/sh.opt (mdiv=): Amend description.
10794 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10795 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10796 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10797 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10798 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10799 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10800 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10801 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10802 TARGET_DIVIDE_CALL_FP.
10804 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10806 * haifa-sched.c (choose_ready): Fix type of the local variable.
10807 Move local variables. Add comment.
10808 (check_reg_live): Change signature. Make callable from debugger.
10809 * sched-int.h (check_reg_live): Update signature.
10810 * sched-ebb.c (check_reg_live): Update parameters.
10811 * sched-rgn.c (check_reg_live): Ditto.
10812 (region_head_or_leaf_p): Check pointer before dereferencing.
10813 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10814 before reload on optimization levels below 1.
10816 2006-03-23 Richard Henderson <rth@redhat.com>
10818 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10822 * config/alpha/predicates.md (local_symbolic_operand): Reject
10825 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10828 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10829 expressions which have overflowed constants.
10831 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10833 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10835 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10837 * cfgloopmanip.c (create_loop_notes): Removed.
10838 * final.c (final_scan_insn): Do not handle loop notes.
10839 * jump.c (squeeze_notes): Ditto.
10840 * cfglayout.c (skip_insns_after_block,
10841 duplicate_insn_chain): Ditto.
10842 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10844 * cfgloop.h (create_loop_notes): Declaration removed.
10846 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10848 * varasm.c (output_constant_pool): Restore fnname and fndecl
10850 (assemble_start_function): Adjust call accordingly.
10851 (assemble_end_function): Likewise.
10853 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10856 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10859 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10861 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10864 * system.h (ICE_EXIT_CODE): New macro.
10865 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10866 (diagnostic_action_after_output): Likewise.
10867 * gcc.c (fatal_ice): New function.
10868 (execute): Use it instead of fatal.
10869 (fancy_abort): Likewise.
10870 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10872 2006-03-22 Jeff Law <law@redhat.com>
10874 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10875 iv_analyze_result returning false.
10877 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10879 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10881 2006-03-22 Richard Henderson <rth@redhat.com>
10883 PR middle-end/26084
10884 * except.c (duplicate_eh_regions_0): New.
10885 (duplicate_eh_region_1): Duplicate the children of the node as
10886 well as the node itself. Link them up properly.
10887 (duplicate_eh_region_2): Merge into ...
10888 (duplicate_eh_regions): ... here. Take copy_region argument, and
10889 copy only a sub-tree if asked. Simplify copying and fixup.
10890 (eh_region_outer_p): New.
10891 * except.h (duplicate_eh_regions): Update decl.
10892 (eh_region_outer_p): Declare.
10893 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10894 (lower_omp_master): Likewise.
10895 (lower_omp_ordered): Likewise.
10896 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10897 (move_stmt_r): Use it to remap labels. Handle recursion vs
10898 remap_decls_p properly.
10899 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10900 (find_outermost_region_in_block): New.
10901 (new_label_mapper): New.
10902 (move_sese_region_to_fn): Copy eh information to the new function
10904 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10906 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10909 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10911 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10912 into shared libraries.
10914 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10916 * doc/md.texi: Refer to i386/constraints.md instead of
10917 i386/predicates.md.
10918 * config/i386/constraints.md: New file, extracted from...
10919 * config/i386/predicates.md: ...here.
10920 * config/i386/i386.md: Include constraints.md.
10922 2006-03-21 Jason Merrill <jason@redhat.com>
10924 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10926 PR middle-end/20297
10927 * expr.c (init_block_move_fn): Force default visibility.
10928 (init_block_clear_fn): Likewise.
10929 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10930 * targhooks.c (default_external_stack_protect_fail): Likewise.
10932 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10934 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10935 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10936 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10937 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10938 (loadgp): Use mips_current_loadgp_style.
10939 (loadgp_noshared): New pattern.
10940 (sibcall_internal): Use MIPS_CALL.
10941 (sibcall_value_internal): Likewise.
10942 (sibcall_value_multiple_internal): Likewise.
10943 (call_internal): Likewise.
10944 (call_value_internal): Likewise.
10945 (call_value_multiple_internal): Likewise.
10946 (call_split): Use MIPS_CALL and add an 'S' constraint.
10947 (call_value_split): Likewise.
10948 (call_value_multiple_split): Likewise.
10949 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10950 (-mshared): New option.
10951 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10952 (mips_current_loadgp_style): Declare.
10953 * config/mips/mips.c (mips_classify_symbol): Avoid using
10954 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10955 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10956 TARGET_ABSOLUTE_ABICALLS.
10957 (override_options): Adjust comments. Improve the warning that is
10958 issued when -mabicalls and -G are used together.
10959 (mips_file_start): Remove comment.
10960 (mips_current_loadgp_style): New function.
10961 (mips_gnu_local_gp): New variable.
10962 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10964 (mips_output_function_prologue): Use mips_current_laodgp_style.
10965 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10966 the cprestore instruction.
10967 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10968 live for TARGET_ABSOLUTE_ABICALLS.
10969 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10970 (ASM_SPEC): Pass down -mshared and -mno-shared.
10971 (MIPS_CALL): New macro.
10972 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10974 * doc/invoke.texi (-mabicalls): Update documentation.
10975 (-mshared): Document.
10977 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10979 * config/ia64/unwind-hpux.c: New file.
10980 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10982 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10985 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10987 2006-03-21 Jeff Law <law@redhat.com>
10989 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10990 type conversions of a VR_VARYING source to a wider type.
10992 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10994 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10995 tm_file on Solaris 10 and later.
10996 (sparc64-*-solaris2*): Likewise.
10997 (sparc-*-solaris2*): Likewise.
10998 * config/sol26.h: Rename to config/sol2-6.h.
10999 * config/sol2-10.h: New file.
11001 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11004 * tree-ssa-pre.c (create_component_ref_by_pieces):
11007 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11010 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11011 return it immediately.
11013 2006-03-21 Michael Matz <matz@suse.de>
11015 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11017 (remove_arc, add_arc): Update num_out_arcs member.
11018 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11020 (cache_presence): New function.
11021 (compare_states_for_equiv): New function.
11022 (state_is_differed): Don't take number of outargs, adjust callers.
11023 Use new invariant for speeding up.
11024 (init_equiv_class): Create initial classes based on sorted
11026 (partition_equiv_class): Don't track out_arcs_num.
11027 (evaluate_equiv_classes): Call cache_presence on all states and
11030 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11032 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11033 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11034 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11035 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11037 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11038 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11039 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11040 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11041 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11043 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11044 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11045 (REGNO_REG_CLASS): ARGP is in PREGS.
11046 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11048 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11049 to deal with those addresses.
11050 * addresses.h: New file.
11051 * caller-save.c: Include "addresses.h".
11052 (init_caller_save): Use new base_reg_class function.
11053 * rtl-factoring.c: Include "addresses.h".
11054 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11055 * recog.c: Include "addresses.h".
11056 (preprocess_constraints): Use new base_reg_class function.
11057 * regrename.c: Include "addresses.h".
11058 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11059 functions. Keep track of a new var INDEX_CODE to compute valid
11061 (replace_oldest_value_addr): Likewise.
11062 (replace_oldest_value_mem): Use base_reg_class.
11063 * reload.c: Include "addresses.h".
11064 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11065 (find_reloads): Use new base_reg_class function.
11066 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11067 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11068 all callers and prototype changed.
11069 * reload1.c: Include "addresses.h".
11070 (maybe_fix_stack_asms): Use base_reg_class.
11071 * regclass.c: Include "addresses.h".
11072 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11073 (init_reg_autoinc): Use new base_reg_class function.
11074 (record_reg_classes): Likewise.
11075 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11076 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11077 Use new args to compute necessary class.
11079 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11080 regrename.o, rtl-factoring.o): Update dependencies.
11081 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11082 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11083 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11084 REG_OK_FOR_INDEX_P): Delete documentation.
11086 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11088 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11089 from V7 to V9 for Solaris 7 and above.
11091 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11093 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11094 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11095 argument pointers may not alias any other storage.
11096 * common.opt: Define option -fargument-noalias-anything.
11097 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11098 alias semantics is specified by flag_argument_noalias > 2.
11100 2006-03-20 Jeff Law <law@redhat.com>
11102 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11103 (pass_phi_only_cprop): Declare.
11104 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11105 with phi_only_cprop
11106 * tree-ssa-dom.c (degenerate_phi_result): New function.
11107 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11108 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11109 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11110 (eliminate_degenerate_phis): Likewise.
11111 (pass_phi_only_cprop): New pass descriptor.
11112 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11113 support code. Callers updated.
11114 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11115 (store_copy_prop): Likewise.
11116 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11118 2006-03-20 Jason Merrill <jason@redhat.com>
11121 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11122 (push_visibility, pop_visibility): Likewise.
11123 * c-pragma.h: Declare them.
11125 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11127 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11129 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11130 parameter and use get_ebb_head_tail.
11131 (sh_md_init_global): Adjust uses of find_regmode_weight.
11133 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11135 * function.h (struct function) <x_tail_recursion_reentry>:
11136 Rename to x_stack_check_probe_note.
11137 (tail_recursion_reentry): Rename to stack_check_probe_note.
11138 * function.c: Replace tail_recursion_reentry with
11139 stack_check_probe_note everywhere.
11140 (expand_function_start): Only emit a note for
11141 stack_check_probe_note with -fstack-protect.
11142 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11144 * emit-rtl.c (remove_unnecessary_notes): Remove.
11145 (pass_remove_unnecessary_notes): Remove.
11146 * rtl.h (remove_unnecessary_notes): Remove prototype.
11147 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11148 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11149 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11151 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11154 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11155 (valid_in_set): Handle ARRAY_REF.
11156 Change "if min_variant or VH" to asserts.
11157 (create_component_ref_by_pieces): Handle ARRAY_REF.
11158 (create_expression_by_pieces): Likewise.
11159 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11161 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11163 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11164 is operand of switch, not str[0].
11166 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11168 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11169 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11171 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11173 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11174 end of insn_extra_address_constraint declaration.
11176 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11178 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11179 (no-sum-in-toc): Same.
11180 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11182 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11183 NO_FP_IN_TOC for -fPIC instead of mask.
11185 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11186 (BOOT_LDFLAGS): Delete.
11188 * config/rs6000/t-aix52: Same.
11190 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11191 (stmsi[345678]_power): New.
11193 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11195 * config/ia64/ia64.opt: Add empty line to end of file.
11197 2006-03-17 Richard Guenther <rguenther@suse.de>
11199 PR middle-end/26721
11200 * builtins.c (get_pointer_alignment): For component style references
11201 adjust alignment to the component type alignment. Make sure
11202 to adjust alignment for component access of constants.
11204 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11206 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11207 unconditional jump.
11209 2006-03-17 Paul Brook <paul@codesourcery.com>
11211 * doc/install.texi: Docuemnt --with-mode.
11212 * config.gcc: Add --with-mode for arm*-*-*.
11213 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11215 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11217 * sh.c (max_labelno_before_reorg): New variable.
11218 (sh_reorg): Initialize it.
11219 (find_barrier): Check max_labelno_before_reorg before using
11220 label_to_alignment. Take length of explicit alignment insns
11221 into account. When seeing a UNSPECV_CONST_END, return it.
11223 * sh.c (fixup_mova): Set mode of affected label to QImode.
11224 (untangle_mova): New function.
11225 (find_barrier): Use it. Check mode of label before decrementing
11227 (sh_reorg): Likewise.
11228 Set mode of all insns back to VOIDmode.
11230 * sh.c (MOVA_LABELREF): New macro.
11231 (mova_p, fixup_mova, sh_reorg): Use it.
11232 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11233 ADDR_DIFF_VEC matches mova.
11235 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11237 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11238 with ATTRIBUTE_UNUSED.
11240 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11242 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11243 pointer, instead of assuming it is possible to derive the
11244 correct args size from a call insn.
11246 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11248 * rtl.h (CONST_INT_P): Define.
11249 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11250 instead of GET_CODE(x) == CONST_INT.
11251 (vax_rtx_costs): Likewise.
11252 (vax_output_int_move): Likewise.
11253 (vax_output_int_add): Likewise.
11254 (legitimate_constant_address_p): Likewise.
11255 (index_term_p): Likewise.
11256 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11257 * config/vax/vax.md (and<mode>3): Likewise.
11258 (ashrsi3): Likewise.
11260 (movstricthi): Likewise.
11261 (movstrictqi): Likewise.
11262 (rotrsi3): Likewise.
11263 (five unnamed insns): Likewise.
11265 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11267 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11268 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11269 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11270 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11271 Pass to ASM_OUTPUT_DWARF_OFFSET.
11272 * dwarf2out.c (debug_frame_section): New.
11273 (output_call_frame_info): Use debug_frame_section. Pass it to
11274 dw2_asm_output_offset.
11275 (output_die): Pass appropriate section to dw2_asm_output_offset.
11276 (output_compilation_unit_header): Likewise.
11277 (output_pubnames): Likewise.
11278 (output_aranges): Likewise.
11279 (enum dw_val_class): Break dw_val_class_lbl_offset into
11280 dw_val_class_lineptr and dw_val_class_macptr.
11281 (add_AT_lbl_offset): Delete.
11282 (add_AT_lineptr): New.
11283 (add_AT_macptr): New.
11284 (AT_lbl): Expect a lineptr or macptr.
11285 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11286 (attr_checksum): Likewise.
11287 (same_dw_val_p): Likewise.
11288 (size_of_die): Likewise.
11289 (value_format): Likewise.
11290 (output_die): Likewise.
11291 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11293 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11294 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11295 * config/darwin-protos.h (darwin_file_start): New.
11296 (darwin_asm_output_dwarf_offset): New.
11297 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11298 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11300 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11301 if not EH section; simplify.
11302 (darwin_file_start): New.
11303 (darwin_asm_output_dwarf_offset): New.
11304 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11306 (DEBUG_INFO_SECTION): Likewise.
11307 (DEBUG_ABBREV_SECTION): Likewise.
11308 (DEBUG_ARANGES_SECTION): Likewise.
11309 (DEBUG_MACINFO_SECTION): Likewise.
11310 (DEBUG_LINE_SECTION): Likewise.
11311 (DEBUG_LOC_SECTION): Likewise.
11312 (DEBUG_PUBNAMES_SECTION): Likewise.
11313 (DEBUG_STR_SECTION): Likewise.
11314 (DEBUG_RANGES_SECTION): Likewise.
11315 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11316 (ASM_OUTPUT_DWARF_OFFSET): New.
11318 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11320 * config.gcc (tm_defines): Always add to previous value rather
11323 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11325 * config/mips/predicates.md (splittable_const_int_operand): New,
11326 split from move_operand.
11327 (splittable_symbolic_operand): New.
11328 (move_operand): Add commentary. Use splittable_const_int_operand.
11329 Inline mips_atomic_symbolic_constant_p.
11330 * config/mips/mips.md: Add combine splitters for handling moves
11331 of splittable_const_int_operands and splittable_symbolic_operands.
11332 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11333 (mips_split_symbol): Declare.
11334 (mips_move_integer): Declare.
11335 * config/mips/mips.c (mips_split_p): Make global.
11336 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11337 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11338 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11339 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11340 (mips_offset_within_object_p): Handle block symbols.
11341 (mips_atomic_symbolic_constant_p): Delete.
11342 (mips_cannot_force_const_mem): Return false for constants that
11343 mips_legitimize_move can handle.
11344 (mips_use_blocks_for_constant_p): New function.
11345 (mips_split_symbol): Make global.
11346 (mips_move_integer): Likewise. Add a temporary register argument.
11347 (mips_legitimize_const_move): Use splittable_const_int_operand and
11348 splittable_symbolic_operand.
11349 (mips_use_anchors_for_symbol_p): New function.
11350 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11351 (mips_split_p): Declare.
11353 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11355 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11356 (mips*-*-linux*): Likewise.
11358 2006-03-16 Roger Sayle <roger@eyesopen.com>
11359 Daniel Speyer <dspeyer@wam.umd.edu>
11361 PR middle-end/18259
11362 * tree-dump.c (dump_real): New function.
11363 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11364 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11365 (tree-dump.o): Add $(REAL_H) to the dependencies.
11367 2006-03-16 Roger Sayle <roger@eyesopen.com>
11369 PR middle-end/21781
11370 * real.c (real_from_string): If the mantissa is zero, don't bother
11371 parsing the exponent as the result should always be zero.
11373 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11375 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11379 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11380 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11381 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11382 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11383 ia64_sched_finish_global): New static functions to implement
11384 hooks from gcc_target.sched.
11385 (spec_check_no, max_uid, pending_data_specs): New static variables.
11386 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11387 ia64_spec_check_src_p): New static functions.
11388 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11389 (TARGET_SCHED_ADJUST_COST): Removed.
11390 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11391 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11392 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11393 TARGET_SCHED_GEN_CHECK,
11394 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11395 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11396 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11397 Fixed to handle speculation checks.
11398 (rtx_needs_barrier): Fixed to handle speculative loads and
11400 (ia64_variable_issue): Added code to count speculative loads and their
11402 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11404 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11406 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11408 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11409 (ia64_reorg): Reset stops_p to NULL after it is freed.
11410 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11411 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11412 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11414 (data_speculative, control_speculative, check_load): New attributes.
11415 (mov<mode>_advanced, mov<mode>_speculative,
11416 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11417 zero_extend<mode>di2_speculative,
11418 zero_extend<mode>di2_speculative_advanced): New patterns for
11419 data and control speculative loads.
11420 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11422 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11423 New pattern for data and control speculation checks.
11424 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11425 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11426 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11427 Auxiliary definitions for the patterns.
11428 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11429 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11431 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11433 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11434 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11435 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11436 New resource constraints.
11437 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11439 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11440 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11441 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11442 msched-in-control-spec, msched-ldc, msched-control-ldc,
11443 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11444 msched-prefer-non-control-spec-insns,
11445 msched-count-spec-in-critical-path): New flags to tune speculative
11447 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11448 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11449 msched-in-control-spec, msched-ldc, msched-control-ldc,
11450 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11451 msched-prefer-non-control-spec-insns,
11452 msched-count-spec-in-critical-path): Document new flags.
11454 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11456 * target.h (struct spec_info_def): New opaque declaration.
11457 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11458 speculate_insn, needs_block_p, gen_check,
11459 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11460 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11461 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11462 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11463 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11464 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11466 (TARGET_SCHED): Use new macros.
11467 * rtl.h (copy_DEPS_LIST_list): New prototype.
11468 * sched-int.h (struct sched_info): Change signature of new_ready field,
11469 adjust all initializations. New fields: add_remove_insn,
11470 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11471 region_head_or_leaf_p.
11472 (struct spec_info_def): New structure declaration.
11473 (spec_info_t): New typedef.
11474 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11475 recovery_block, orig_pat.
11476 (glat_start, glat_end): New variables declaraions.
11477 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11479 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11480 DETACH_LIFE_INFO, USE_GLAT.
11481 (enum SPEC_SCHED_FLAGS): New enumeration.
11482 (NOTE_NOTE_BB_P): New macro.
11483 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11484 attach_life_info, debug_spec_status, check_reg_live): New functions.
11485 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11486 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11488 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11489 * ddg.c (get_block_head_tail): Adjust all uses.
11490 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11491 (sms_sched_info): Initialize new fields.
11492 (contributes_to_priority): Removed.
11493 * haifa-sched.c (params.h): New include.
11494 (get_block_head_tail): Adjust all uses.
11495 (ISSUE_POINTS): New macro.
11496 (glat_start, glat_end): New global variables.
11497 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11498 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11499 old_last_basic_block, before_recovery, current_sched_info_var,
11500 rgn_n_insns, luid): New static variables.
11501 (insn_cost1): New function. Move logic from insn_cost to here.
11502 (find_insn_reg_weight1): New function. Move logic from
11503 find_insn_reg_weight to here.
11504 (reemit_notes, move_insn, max_issue): Change signature.
11505 (move_insn1): Removed.
11506 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11507 extend_bb): New static functions to support extension of scheduler's
11509 (generate_recovery_code, process_insn_depend_be_in_spec,
11510 begin_speculative_block, add_to_speculative_block,
11511 init_before_recovery, create_recovery_block, create_check_block_twin,
11512 fix_recovery_deps): New static functions to support
11513 generation of recovery code.
11514 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11515 restore_bb_notes, move_block_after_check, move_succs): New static
11516 functions to support ebb scheduling.
11517 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11518 functions to support handling of register live information.
11519 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11520 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11521 add_jump_dependencies): New static functions.
11522 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11523 consistancy checking.
11524 (debug_spec_status): New function to call from debugger.
11525 (priority): Added code to handle speculation checks.
11526 (rank_for_schedule): Added code to distinguish speculative instructions.
11527 (schedule_insn): Added code to handle speculation checks.
11528 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11529 Fixed to handle ebbs.
11530 (move_insn): Added code to handle ebb scheduling.
11531 (max_issue): Added code to use ISSUE_POINTS of instructions.
11532 (choose_ready): Added code to choose between speculative and
11533 non-speculative instructions.
11534 (schedule_block): Added code to handle ebb scheduling and scheduling of
11535 speculative instructions.
11536 (sched_init): Initialize new variables.
11537 (sched_finish): Free new variables. Print statistics.
11538 (try_ready): Added code to handle speculative instructions.
11539 * lists.c (copy_DEPS_LIST_list): New function.
11540 * sched-deps.c (extend_dependency_caches): New function. Move logic
11541 from create_dependency_caches to here.
11542 (get_dep_weak, ds_merge): Make global.
11543 * genattr.c (main): Code to output prototype for
11544 dfa_clear_single_insn_cache.
11545 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11546 (output_dfa_clean_insn_cache_func): Code to output
11547 dfa_clear_single_insn_cache function.
11548 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11550 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11552 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11553 New static variables.
11554 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11555 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11557 (ebb_sched_info): Initialize new fields.
11558 (get_block_head_tail): Adjust all uses.
11559 (compute_jump_reg_dependencies): Fixed to use glat_start.
11560 (schedule_ebb): Code to remove unreachable last block.
11561 (schedule_ebbs): Added code to update register live information.
11562 * sched-rgn.c (region_sched_info): Initialize new fields.
11563 (get_block_head_tail): Adjust all uses.
11564 (last_was_jump): Removed. Adjust users.
11565 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11566 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11567 Implement new hooks.
11568 (check_dead_notes1): New static function.
11569 (struct region): New fields: dont_calc_deps, has_real_ebb.
11570 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11571 (BB_TO_BLOCK): Fixed to handle EBBs.
11572 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11573 (ebb_head): New static variable.
11574 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11575 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11577 (compute_dom_prob_ps): New assertion.
11578 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11579 global_live_at_start.
11580 (init_ready_list): New assertions.
11581 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11582 (new_ready): Add support for BEGIN_CONTROL speculation.
11583 (schedule_insns): Fixed code that updates register live information
11585 (schedule_region): Fixed to handle EBBs.
11586 (init_regions): Use extend_regions and check_dead_notes1.
11587 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11588 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11589 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11590 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11591 TARGET_SCHED_GEN_CHECK,
11592 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11593 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11594 * doc/invoke.texi (max-sched-insn-conflict-delay,
11595 sched-spec-prob-cutoff): Document.
11597 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11599 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11600 inter_tick, queue_index.
11601 (struct sched_info): Change signature of init_ready_list field.
11602 Adjust all initializations.
11603 (RESOLVED_DEPS): New access macro.
11604 (ready_add): Remove prototype.
11605 (try_ready): Add prototype.
11606 * sched-rgn.c (init_ready_list): Use try_ready.
11607 (schedule_region): Initialize
11608 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11609 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11610 (init_ready_list): Use try_ready.
11611 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11612 * lists.c (remove_list_elem): Remove `static'.
11613 (remove_free_INSN_LIST_elem): New function.
11614 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11615 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11616 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11618 (readyp): New variable.
11619 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11620 change_queue_index, resolve_dep): New static functions.
11621 (try_ready): New function. Adjust callers in sched-rgn.c and
11622 sched-ebb.c to use it instead of ready_add.
11623 (clock_var): Move at the begining of file.
11624 (rank_for_schedule): Fix typo.
11625 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11626 (ready_lastpos): Enforce assertion.
11627 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11628 update all callers.
11629 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11630 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11631 (queue_to_ready): Use free_INSN_LIST_list.
11632 (early_queue_to_ready): Fix typo.
11633 (schedule_block): Init readyp. Move init_ready_list call after the
11634 initialization of clock_var. Fix error in rejecting insn by
11635 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11636 that previously corrected INSN_TICKs. Add code for handling
11638 (set_priorities): Fix typo.
11639 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11640 Clarify comment and code that keeps current_sched_info->next_tail
11643 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11645 * sched-rgn.c (extend_rgns): New static function.
11646 (find_rgns): Use it.
11647 (gather_region_statistics, print_region_statistics): New static
11649 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11650 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11652 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11653 Andrey Belevantsev <abel@ispras.ru>
11655 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11656 * lists.c (unused_deps_list): New variable.
11657 (free_list): Add assertions to verify the proper distinguishing
11658 between INSN_LISTs and DEPS_LISTs.
11659 (find_list_elem, remove_list_elem, remove_list_node): New static
11661 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11662 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11663 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11664 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11666 (free_INSN_LIST_node): Likewise.
11667 * modulo-sched.c (current_sched_info): Initialize flags field.
11668 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11669 * rtl.def (DEPS_LIST): Define.
11670 * rtl.h: Declare new functions from lists.c.
11671 * sched-deps.c (spec_dependency_cache): New static variable.
11672 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11673 (add_dependence): Change return type to void. Move the logic to ...
11674 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11675 (delete_all_dependences): Add comment about forward_dependency_cache.
11676 Handle spec_dependency_cache. Handle DEPS_LISTs.
11677 (fixup_sched_groups): Clarify the change of priority of output
11678 and anti dependencies.
11679 (sched_analyze_2): Adjust add_dependence calls to create data
11680 speculative dependence.
11681 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11682 Adjust all callers. Handle DEPS_LISTS.
11683 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11684 presence of speculation.
11685 (init_dependency_caches, free_dependency_caches):
11686 Handle spec_dependency_cache.
11687 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11688 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11689 New static functions.
11690 (add_or_update_back_dep, add_or_update_back_forw_dep,
11691 add_back_forw_dep, delete_back_forw_dep): New functions.
11692 * sched-int.h (ds_t, dw_t): New typedefs.
11693 (struct sched_info): Add new field flags.
11694 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11695 Prototype new sched-deps.c functions.
11696 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11697 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11698 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11699 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11700 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11701 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11703 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11705 * sched-rgn.c (current_sched_info): Initialize flags field.
11706 (schedule_insns): Initialize current_sched_info before the sched_init
11708 * sched-ebb.c (current_sched_info): Initialize flags field.
11709 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11710 Call add_or_update_back_dep instead of add_dependence.
11711 Create control speculative dependencies.
11712 (schedule_insns): Initialize current_sched_info before the sched_init
11715 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11717 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11719 (sh_fallback_frame_state): Likewise.
11721 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11723 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11724 Do switch on default_use_cxa_atexit.
11725 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11726 * config/darwin-crt3.o: New.
11727 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11728 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11729 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11731 * config/rs6000/t-darwin: Move crt2.o building to here.
11732 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11733 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11736 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11738 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11739 from '! xxx' to '!xxx' for coding-style conformance.
11740 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11741 (EXTRA_CONSTRAINT): Likewise.
11742 * config/vax/vax.md (four unnamed insns): Likewise.
11744 2006-03-15 Paul Brook <paul@codesourcery.com>
11746 * config/arm/arm.c (minipool_pad): New.
11747 (add_minipool_forward_ref): Include pool alignment padding in address
11749 (push_minipool_fix): Set minipool_pad.
11750 (minipool_pad): Ditto.
11752 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11754 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11755 instead of GET_CODE() == MEM and REG_P() instead of
11757 (print_operand_address): Likewise.
11758 (vax_address_cost): Likewise.
11759 (vax_rtx_costs): Likewise.
11760 (vax_notice_update_cc): Likewise.
11761 (vax_output_int_add): Likewise.
11762 (INDEX_REGISTER_P): Likewise.
11763 (BASE_REGISTER_P): Likewise.
11764 (nonindexed_address_p): Likewise.
11765 (vax_mode_dependent_address_p): Likewise.
11766 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11767 (PRINT_OPERAND): Likewise.
11768 * config/vax/vax.md (ashlsi3): Likewise.
11769 (ashlsi3): Likewise.
11770 (some more unnamed insns): Likewise.
11772 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11774 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11775 iterator-style macro.
11776 (mark_control_dependent_edges_necessary): Update the use of
11777 EXECUTE_IF_CONTROL_DEPENDENT.
11779 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11781 * config/sh/predicates.md (cache_address_operand): Special.
11782 (ua_address_operand): Likewise.
11784 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11786 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11788 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11790 2006-03-15 Andreas Schwab <schwab@suse.de>
11792 * gensupport.c (identify_predicable_attribute): Don't free p_false
11793 when it is still in use.
11795 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11797 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11798 the default setting here.
11800 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11802 * tree-pass.h (pass_cfg): Remove.
11803 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11804 * passes.c (pass_cfg): Don't run it.
11806 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11808 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11809 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11811 (stack_regs_mentioned): Update the uses of
11812 stack_regs_mentioned_data. Don't access the array beyond its
11814 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11815 Don't include gt-reg-stack.h.
11817 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11818 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11820 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11822 PR middle-end/26684
11823 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11826 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11828 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11830 2006-03-14 Richard Guenther <rguenther@suse.de>
11832 PR tree-optimization/26672
11833 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11836 2006-03-14 Richard Guenther <rguenther@suse.de>
11838 PR tree-optimization/26667
11839 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11840 node for the callees. Always allow inlining if it will shrink
11843 2006-03-14 Richard Guenther <rguenther@suse.de>
11845 PR middle-end/26659
11846 * builtins.c (get_pointer_alignment): Prefer alignment
11847 information from decls over that from types.
11849 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11852 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11854 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11856 * config/rs6000/rs6000.opt (mdlmzb): New option.
11857 (msched-prolog, msched-epilog): Use Var not Mask.
11858 * doc/invoke.texi (-mdlmzb): Document.
11859 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11861 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11862 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11864 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11866 PR rtl-optimization/25739
11867 * bt-load.c (augment_live_range): Free tos pointer.
11869 * gensupport.c (identify_predicable_attribute): Free
11871 * gcov.c (create_file_names): Free name pointer.
11873 2006-03-13 Roger Sayle <roger@eyesopen.com>
11875 PR middle-end/26557
11876 * stmt.c (emit_case_nodes): Handle the case where the index is a
11877 CONST_INT, where the comparison mode is specified by the index type.
11879 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11881 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11884 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11886 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11887 (*branch_fp_inverted): Likewise.
11889 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11891 PR middle-end/25989
11892 * omp-low.c (expand_omp_for_generic): Mark istart0
11893 and iend0 as addressable.
11895 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11897 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11899 2006-03-13 Jeff Law <law@redhat.com>
11901 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11902 virtual operands are interesting.
11903 (vrp_visit_stmt): Corresponding changes.
11905 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11907 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11909 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11910 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11911 * config/bfin/crti.S: Use it instead of __PIC__.
11912 * config/bfin/crtn.S: Likewise.
11914 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11915 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11917 Lose 'G' modifier for call operand.
11918 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11919 recognize 'G' modifier.
11921 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11923 PR middle-end/18859
11924 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11925 * stmt.c (expand_case): Likewise.
11927 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11929 PR rtl-optimization/26254
11930 * loop-invariant.c (seq_insns_valid_p): New function.
11931 (move_invariant_reg): Only emit new code if it is valid.
11933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11935 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11937 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11938 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11939 (commit_one_edge_insertion): Do not look for loop notes.
11941 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11943 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11944 flag_test_coverage out of loop.
11946 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11948 * final.c (shorten_branches): Remove outdated comment, and turn
11949 the if branch that guards it to continue.
11951 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11953 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11954 * cfgloop.h (struct loop): Remove unused fields.
11956 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11958 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11959 (-dL, -fdump-rtl-loop2): Update the dump file names
11961 * doc/invoke.texi: Update dump file names.
11963 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11965 * predict.c (estimate_probability): Remove.
11966 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11967 * basic-block.h (estimate_probability): Remove prototype.
11968 * passes.c (finish_optimization_passes): Dump branch prediction or
11969 profiling heuristics to the .profile tree dump.
11970 (init_optimization_passes): Unqueue pass_branch_prob.
11972 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11974 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11976 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11977 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11979 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11981 * function.h (frame_offset_overflow): Declare.
11982 * function.c (frame_offset_overflow): New function.
11983 (assign_stack_local_1): Call it to detect that the offset overflows.
11984 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11986 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11988 * config/sh/sh.c: Include alloc-pool.h.
11989 (label_ref_list_pool): New alloc pool.
11990 (label_ref_list_t): New type for lists of labels.
11991 (struct pool_node): Make wend a label_ref_list_t.
11992 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11994 (dump_table): Likewise.
11995 (sh_reorg): Set up the alloc pool before using add_constant and
11996 dump_table, and destroy it when finishing.
11998 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12000 * config/mips/mips.c: Remove redundant comment.
12002 2006-03-10 Jason Merrill <jason@redhat.com>
12005 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12006 the target was declared 'register'.
12008 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12010 * genpreds.c (write_insn_constraint_len): Change definition of
12011 insn_constraint_len to return size_t to match the declaration.
12013 2006-03-10 DJ Delorie <dj@redhat.com>
12015 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12017 (m32c_expand_insv): Fix test for an AND mask.
12019 2006-03-10 Richard Guenther <rguenther@suse.de>
12021 PR middle-end/26565
12022 * builtins.c (get_pointer_alignment): Handle component
12023 references for field alignment.
12025 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12027 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12028 when building with libgloss.
12029 (sh*elf): Implement --without-fp option.
12030 (sh64-superh-linux*): Don't multilib.
12032 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12034 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12036 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12038 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12039 Set it when one of the replacement functions returned true.
12040 Return TODO_cleanup_cfg if cfgchanged is true.
12041 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12043 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12045 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12046 instead of gen_lowpart.
12048 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12050 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12052 (mips_output_order_conditional_branch): Declare.
12053 * config/mips/mips.h (MIPS_BRANCH): New macro.
12054 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12055 for the comparison. Use gen_condjump.
12056 (mips_output_conditional_branch): Rework interface to take the
12057 asm templates for a direct branch and the inverse of a direct branch.
12058 (mips_output_order_conditional_branch): New function.
12059 (mips_builtin_branch_and_move): New function.
12060 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12061 branch condition. Use gen_single_cc as the condition for
12062 __builtin_mips_upper_* or __builtin_mips_lower_*.
12063 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12064 Use VOIDmode for the branch condition.
12065 * config/mips/predicates.md (order_operator): New predicate.
12066 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12067 (branch_fp): Rename to...
12068 (*branch_fp): ...this. Remove mode from comparison operator.
12069 Use new mips_output_conditional_branch interface.
12070 (branch_fp_inverted): Rename to...
12071 (*branch_fp_inverted): ...this and update as for *branch_fp.
12072 (*branch_zero<mode>): Rename to...
12073 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12074 Use mips_output_order_conditional_branch. Only accept ordered
12076 (*branch_zero<mode>_inverted): Rename to...
12077 (*branch_order<mode>_inverted): ...this and update as for
12078 *branch_order<mode>.
12079 (*branch_equality<mode>): Accept zero as the second operand to
12080 the equality operator. Use the new mips_output_conditional_branch
12082 (*branch_equality<mode>_inverted): Likewise.
12083 (condjump): New expander.
12084 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12086 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12087 (bc1any2t, bc1any2f): Likewise.
12088 (single_cc): New expander.
12089 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12091 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12093 * doc/md.texi: Update documentation of MIPS constraints.
12094 * config/mips/constraints.md: New file.
12095 * config/mips/mips.md: Include it.
12096 * config/mips/mips.c (mips_char_to_class): Delete.
12097 (override_options): Don't initialize mips_char_to_class.
12098 * config/mips/mips.h (mips_char_to_class): Delete.
12099 (REG_CLASS_FROM_LETTER): Delete.
12100 (CONST_OK_FOR_LETTER_P): Delete.
12101 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12102 (EXTRA_CONSTRAINT_Y): Delete.
12103 (EXTRA_CONSTRAINT_STR): Delete.
12104 (CONSTRAINT_LEN): Delete.
12105 (EXTRA_MEMORY_CONSTRAINT): Delete.
12107 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12109 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12110 original fn's eh regions.
12112 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12114 * fold-const.c (build_range_check): Make sure to use a valid type to
12115 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12118 (range_predecessor): New static function.
12119 (range_successor): Likewise.
12120 (merge_ranges): Use them to compute predecessors and successors of
12123 2006-03-09 Roger Sayle <roger@eyesopen.com>
12125 PR middle-end/26561
12126 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12127 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12129 2006-03-08 DJ Delorie <dj@redhat.com>
12131 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12132 (addpsi3): Expand to include memory operands. Remove
12133 reload-specific splits.
12134 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12135 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12136 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12137 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12138 (shift1_qi, shift1_hi, insv): New.
12139 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12140 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12141 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12143 * config/m32c/m32c-protos.h: Update as needed.
12144 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12145 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12146 Fail for unrecognized R* constraints.
12147 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12148 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12149 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12151 (m32c_init_libfuncs): New.
12152 (m32c_legitimate_address_p): Add debug wrapper.
12153 (m32c_rtx_costs): New.
12154 (m32c_address_cost): New.
12155 (conversions): Add 'B' prefix.
12156 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12157 operands, or word regnames for QI operands. 'B' prints bit
12159 (m32c_expand_setmemhi): New.
12160 (m32c_expand_movmemhi): New.
12161 (m32c_expand_movstr): New.
12162 (m32c_expand_cmpstr): New.
12163 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12164 (m32c_expand_neg_mulpsi3): Handle non-ints.
12165 (m32c_cmp_flg_0): New.
12166 (m32c_expand_movcc): New.
12167 (m32c_expand_insv): New.
12168 (m32c_scc_pattern): New.
12169 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12170 a0/a1 out of SIregs.
12171 (STORE_FLAG_VALUE): New.
12172 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12175 * config/m32c/mov.md: Make constraints more liberal.
12176 (zero_extendqihi2): Optimize r0/r1 case.
12177 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12178 * config/m32c/predicates.md (m32c_any_operand): New.
12179 (m32c_nonimmediate_operand): New.
12180 (m32c_hl_operand): New.
12181 (m32c_r3_operand): New.
12184 (memsym_operand): New.
12185 (memimmed_operand): New.
12186 (a_qi_operand): New.
12187 (m32c_eqne_operator): New.
12188 (m32c_1bit8_operand): New.
12189 (m32c_1bit16_operand): New.
12190 (m32c_1mask8_operand): New.
12191 (m32c_1mask16_operand): New.
12192 * config/m32c/blkmov.md: New file.
12193 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12195 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12197 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12198 unsigned to fix signed/unsigned comparison issue in
12199 DWARF2_FRAME_REG_OUT.
12200 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12201 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12203 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12204 of ptr into the ENABLE_CHECKING section.
12206 2006-03-08 Jeff Law <law@redhat.com>
12208 * tree-vrp.c (infer_value_range): Only count pointer uses
12209 and dereferences if -fdelete-null-pointer-checks is enabled.
12211 * tree-vrp.c (find_assert_locations): Infer value ranges for
12212 single use pointers, but do not create ASSERT_EXPRs for them.
12213 When a non-null range is inferred for a pointer, backwards
12214 propagate that range to other equivalent pointers through the
12217 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12220 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12221 language hook targets.
12222 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12223 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12224 if language hook targets were missing.
12226 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12228 * tree-ssa-opfinalize.h: Removed.
12229 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12231 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12232 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12233 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12234 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12235 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12236 finalize_ssa_v_must_def_ops): New.
12238 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12240 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12241 block as parameter.
12243 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12245 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12247 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12248 addresses with offsets; reorganize.
12250 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12251 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12252 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12254 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12257 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12259 2006-03-08 Ben Elliston <bje@au.ibm.com>
12261 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12263 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12266 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12269 2006-03-07 Richard Guenther <rguenther@suse.de>
12271 PR tree-optimization/26587
12272 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12274 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12276 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12278 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12280 * hooks.c (hook_bool_mode_rtx_true): New function.
12281 * hooks.h (hook_bool_mode_rtx_true): Declare.
12282 * toplev.c (compile_file): Call output_shared_constant_pool.
12283 * varasm.c (shared_constant_pool): New variable.
12284 (assemble_start_function, assemble_end_function): Remove arguments
12285 from call to output_constant_pool.
12286 (create_constant_pool): New function, split out from...
12287 (init_varasm_status): ...here.
12288 (force_const_mem): Choose between the shared and per-function constant
12289 pools. Set current_function_uses_const_pool when reusing old entries
12290 as well as when creating new ones.
12291 (mark_constant): Ignore data argument.
12292 (mark_constants): Remove pool argument.
12293 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12294 to decide whether the function uses a constant pool.
12295 (output_constant_pool_contents): New function, split out from...
12296 (output_constant_pool): ...here.
12297 (output_shared_constant_pool): New function.
12298 (init_varasm_once): Initialize shared_constant_pool.
12299 * output.h (output_constant_pool): Delete.
12300 (output_shared_constant_pool): Declare.
12301 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12302 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12304 2006-03-06 Nick Clifton <nickc@redhat.com>
12306 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12307 flag_strength_reduce.
12309 2006-03-06 Ben Elliston <bje@au.ibm.com>
12311 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12312 x86_64-*-linux* configurations.
12314 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12315 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12317 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12319 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12321 * basic-block.h: Remove the extern for
12322 rediscover_loops_after_threading.
12324 * cfgloop.c (cancel_loop): Make it static.
12325 * cfgloop.h: Remove the prototype for cancel_loop.
12327 * flow.c (recompute_reg_usage): Make it static.
12328 * rtl.h: Remove the prototype for recompute_reg_usage.
12330 * function.c (use_return_register): Make it static.
12331 * function.h: Remove the prototype.
12333 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12335 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12337 * recog.h: Remove the prototype for
12338 validate_change_maybe_volatile.
12340 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12342 * rtlanal.c (replace_reg): Remove.
12343 * rtl.h: Remove the prototype for replace_reg.
12345 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12347 * regclass.c (reg_scan_update): Remove.
12348 (reg_scan_mark_refs): Remove the last argument.
12349 * rtl.h: Remove the prototype for reg_scan_update.
12351 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12353 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12354 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12355 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12356 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12357 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12358 loop-invariant.c, omp-low.c, opts.c, passes.c,
12359 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12360 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12361 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12362 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12363 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12364 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12366 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12368 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12369 * dwarf2out.h: Remove the prototype for
12370 dwarf2out_add_library_unit_info.
12372 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12374 * tree.c (add_var_to_bind_expr): Remove.
12375 * tree.h: Remove the prototype for add_var_to_bind_expr.
12377 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12379 * regclass.c (n_non_fixed_regs): Remove.
12380 (init_reg_sets_1, globalize_reg): Remove all uses of
12382 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12384 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12386 * rtlanal.c (insns_safe_to_move_p): Remove.
12387 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12389 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12391 * expmed.c (expand_mult_add): Remove.
12392 * expr.h: Remove the prototype for expand_mult_add.
12394 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12396 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12397 and REG_SAVED_VAL_EXP constants.
12398 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12399 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12400 Handle regs stored by value.
12401 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12402 (execute_cfa_program): Handle DW_CFA_val_offset,
12403 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12404 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12405 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12406 (uw_install_context_1): Handle target regs stored by value.
12408 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12410 * tree-sra.c (tree_sra): Return todoflags;
12411 (generate_one_element): Set TODO_update_smt_usage if needed.
12412 (pass_sra): Remove TODO_update_smt_usage.
12413 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12415 (tree_ssa_forward_propagate_single_use_vars): Return
12416 TODO_update_smt_usage if we need to update SMT usage.
12417 (pass_forwprop): Remove TODO_update_smt_usage.
12419 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12421 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12422 (correct_use_link): Remove reference to get_stmt_operands.
12423 (update_stmt_operands): Likewise.
12424 (get_modify_expr_operands): New function factored out of
12425 parse_ssa_operands and get_expr_operands.
12426 Try to create V_MUST_DEFs for LHS by default.
12427 (get_expr_operands) <case MODIFY_EXPR>: Call
12428 get_modify_expr_operands.
12429 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12430 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12431 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12432 get_modify_expr_operands.
12434 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12436 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12437 * tree-flow.h: Remove the prototype for
12438 referenced_var_lookup_if_exists.
12440 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12442 PR rtl-optimization/26345
12444 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12446 2006-03-03 Roger Sayle <roger@eyesopen.com>
12448 PR tree-optimization/26524
12449 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12450 fold_convert to create a constant of the appropriate type.
12452 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12454 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12455 SYMBOL_REF_IN_BLOCK_P.
12456 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12457 of SYMBOL_FLAG_IN_BLOCK.
12458 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12459 instead of SYMBOL_REF_IN_BLOCK_P.
12460 * explow.c (use_anchored_address): Likewise.
12461 * rtl.c (rtx_size): Likewise.
12462 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12463 instead of SYMBOL_FLAG_IN_BLOCK.
12464 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12465 SYMBOL_REF_IN_BLOCK_P.
12466 (assemble_variable): Likewise.
12467 (output_constant_def_contents): Likewise.
12468 (output_constant_pool): Likewise.
12469 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12470 instead of SYMBOL_FLAG_IN_BLOCK.
12471 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12472 SYMBOL_REF_IN_BLOCK_P.
12473 (SYMBOL_REF_BLOCK): Likewise.
12474 (SYMBOL_REF_OFFSET): Likewise.
12475 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12476 SYMBOL_REF_IN_BLOCK_P.
12477 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12478 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12479 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12480 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12482 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12484 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12486 2006-03-02 Roger Sayle <roger@eyesopen.com>
12488 * simplify-rtx.c (simplify_unary_operation): When simplifying
12489 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12490 that we perform the right shift in the appropriate mode, and
12491 then extend or truncate the result to requested mode.
12493 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12495 * gengtype.c (main): Handle double_int type.
12496 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12497 * double-int.c: New file.
12498 * double-int.h: New file.
12499 * system.h: Include doubleint.h.
12500 * Makefile.in (SYSTEM_H): Include double-int.h.
12501 (double-int.o): Add.
12503 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12506 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12509 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12511 * tree-vrp.c (remove_range_assertions): Do not update statements
12514 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12516 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12518 * gcse.c (rest_of_handle_gcse): Ditto.
12519 * except.c (gate_handle_eh): Ditto.
12520 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12521 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12523 2006-03-02 Eric Christopher <echristo@apple.com>
12525 * config/i386/i386.c (machopic_output_stub): Add indirection to
12528 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12532 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12534 Sun Niagara specific optimizations.
12535 * config.gcc: Recognize niagara as target.
12536 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12537 (TARGET_CPU_niagara): Define.
12538 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12539 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12540 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12541 (ASM_CPU_SPEC): Likewise.
12542 (PROCESSOR_NIAGARA): New enum entry.
12543 (REGISTER_MOVE_COST): Handle Niagara.
12544 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12545 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12546 (sparc_override_options): Recognize "niagara", set appropriate
12547 default MASK_* values for it, and align functions to 32-bytes
12548 by default just like ULTRASPARC/ULTRASPARC3.
12549 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12550 (sparc64_initialize_trampoline): Likewise.
12551 (sparc_use_sched_lookahead): Use zero for niagara.
12552 (sparc_issue_rate): Use one for niagara.
12553 * config/sparc/niagara.md: New file.
12554 * config/sparc/sparc.md: Include it.
12555 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12556 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12557 when default cpu is niagara.
12558 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12559 (ASM_CPU_SPEC): Likewise.
12560 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12561 when default cpu is niagara.
12562 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12563 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12564 just like v9/ultrasparc/ultrasparc3.
12565 * doc/invoke.texi: Add documentation for "niagara" and improve
12566 existing documentation for ultrasparc variants.
12568 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12570 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12572 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12574 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12575 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12576 and say that only one is needed.
12577 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12578 * target.h (have_switchable_bss_sections): New hook.
12579 * explow.c (use_anchored_address): Check that the symbol is in a block.
12580 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12581 (bss_noswitch_section): New variables.
12582 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12583 (get_noswitch_section): New function.
12584 (get_block_for_section): Allow SECT to be null.
12585 (unlikely_text_section_p): Use SECTION_STYLE.
12586 (bss_initializer_p): New function.
12587 (get_variable_section): Move earlier in file. Take a new argument,
12588 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12589 Return one of the new *_sections in such cases.
12590 (get_block_for_decl): New function, extracting some logic from
12591 use_blocks_for_decl_p.
12592 (change_symbol_section): Remove in favor of...
12593 (change_symbol_block): ...this new function.
12594 (use_blocks_for_decl_p): Remove checks now performed by
12595 get_block_for_decl.
12596 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12597 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12598 (emit_local, emit_bss, emit_common): ...these new functions.
12599 Return true if the alignment was honored.
12600 (emit_tls_common): New function.
12601 (asm_emit_uninitialised): Delete.
12602 (assemble_variable_noswitch): New function, split out from...
12603 (assemble_variable): ...here. Don't make decisions about common
12604 variables here. Globalize all public decls that go into non-common
12605 sections. Check whether SYMBOL_REF_BLOCK is null.
12606 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12607 (output_constant_pool): Likewise.
12608 (init_varasm_once): Initialize the new section variables.
12609 (have_global_bss_p): New function.
12610 (categorize_decl_for_section): Use bss_initializer_p.
12611 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12612 (place_block_symbol): Assert that the symbol must be in a block.
12613 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12614 (TARGET_INITIALIZER): Include it.
12615 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12616 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12617 (SECTION_MACH_DEP): Bump by two.
12618 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12619 (unnamed_section): Mention SECTION_UNNAMED in comment.
12620 (named_section): Likewise SECTION_NAMED.
12621 (noswitch_section_callback): New type.
12622 (noswitch_section): New structure.
12623 (section): Add a noswitch_section alternative.
12624 (SECTION_STYLE): New macro.
12625 (tls_comm_section, comm_section, lcomm_section): Declare.
12626 (bss_noswitch_section, have_global_bss_p): Declare.
12627 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12628 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12630 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12631 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12634 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12636 * tree-vrp.c (execute_vrp): Return value.
12637 * regrename.c (rest_of_handle_regrename): Ditto.
12638 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12639 * tree-complex.c (tree_lower_complex): Ditto.
12640 (tree_lower_complex_O0): Ditto.
12641 * tracer.c (rest_of_handle_tracer): Ditto.
12642 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12643 * postreload.c (rest_of_handle_postreload): Ditto.
12644 * tree-tailcall.c (execute_tail_recursion): Ditto.
12645 (execute_tail_calls): Ditto.
12646 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12647 * tree.h (init_function_for_compilation): Ditto.
12648 * ipa-cp.c (ipcp_driver): Ditto.
12649 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12650 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12651 * final.c (compute_alignments): Ditto.
12652 (rest_of_handle_final): Ditto.
12653 (rest_of_handle_shorten_branches): Ditto.
12654 (rest_of_clean_state): Ditto.
12655 * omp-low.c (execute_expand_omp): Ditto.
12656 (execute_lower_omp): Ditto.
12657 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12658 * ipa-reference.c (static_execute): Ditto.
12659 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12660 * reorg.c (rest_of_handle_delay_slots): Ditto.
12661 (rest_of_handle_machine_reorg): Ditto.
12662 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12663 * flow.c (recompute_reg_usage): Ditto.
12664 (rest_of_handle_remove_death_notes): Ditto.
12665 (rest_of_handle_life): Ditto.
12666 (rest_of_handle_flow2): Ditto.
12667 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12668 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12669 (do_ssa_store_ccp): Ditto.
12670 (execute_fold_all_builtins): Ditto.
12671 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12672 * modulo-sched.c (rest_of_handle_sms): Ditto.
12673 * ipa-pure-const.c (static_execute): Ditto.
12674 * cse.c (rest_of_handle_cse): Ditto.
12675 (rest_of_handle_cse2): Ditto.
12676 * web.c (rest_of_handle_web): Ditto.
12677 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12678 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12679 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12680 * tree-nrv.c (tree_nrv): Ditto.
12681 (execute_return_slot_opt): Ditto.
12682 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12683 (create_structure_vars): Ditto.
12684 * loop-init.c (rtl_loop_init): Ditto.
12685 (rtl_loop_done): Ditto.
12686 (rtl_move_loop_invariants): Ditto.
12687 (rtl_unswitch): Ditto.
12688 (rtl_unroll_and_peel_loops): Ditto.
12689 (rtl_doloop): Ditto.
12690 * gimple-low.c (lower_function_body): Ditto.
12691 (mark_used_blocks): Ditto.
12692 * tree-ssa-sink.c (execute_sink_code): Ditto.
12693 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12694 (cgraph_early_inlining): Ditto.
12695 * global.c (rest_of_handle_global_alloc): Ditto.
12696 * jump.c (cleanup_barriers): Ditto.
12697 (purge_line_number_notes): Ditto.
12698 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12699 (rest_of_handle_if_after_reload): Ditto.
12700 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12701 (tree_ssa_loop_im): Ditto.
12702 (tree_ssa_loop_unswitch): Ditto.
12703 (tree_vectorize): Ditto.
12704 (tree_linear_transform): Ditto.
12705 (tree_ssa_loop_ivcanon): Ditto.
12706 (tree_ssa_empty_loop): Ditto.
12707 (tree_ssa_loop_bounds): Ditto.
12708 (tree_complete_unroll): Ditto.
12709 (tree_ssa_loop_prefetch): Ditto.
12710 (tree_ssa_loop_ivopts): Ditto.
12711 (tree_ssa_loop_done): Ditto.
12712 * predict.c (tree_estimate_probability): Ditto.
12713 * recog.c (split_all_insns_noflow): Ditto.
12714 (rest_of_handle_peephole2): Ditto.
12715 (rest_of_handle_split_all_insns): Ditto.
12716 * tree-eh.c (lower_eh_constructs): Ditto.
12717 * regmove.c (rest_of_handle_regmove): Ditto.
12718 (rest_of_handle_stack_adjustments): Ditto.
12719 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12720 * function.c (instantiate_virtual_regs): Ditto.
12721 (init_function_for_compilation): Ditto.
12722 (rest_of_handle_check_leaf_regs): Ditto.
12723 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12724 (rest_of_handle_gcse): Ditto.
12725 * ipa-type-escape.c (type_escape_execute): Ditto.
12726 * alias.c (rest_of_handle_cfg): Ditto.
12727 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12728 * profile.c (rest_of_handle_branch_prob): Ditto.
12729 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12730 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12731 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12732 * tree-dfa.c (find_referenced_vars): Ditto.
12733 * except.c (set_nothrow_function_flags): Ditto.
12734 (convert_to_eh_region_ranges): Ditto.
12735 (rest_of_handle_eh): Ditto.
12736 * emit-rtl.c (unshare_all_rtl): Ditto.
12737 (remove_unnecessary_notes): Ditto.
12738 * except.h (set_nothrow_function_flags): Ditto.
12739 (convert_to_eh_region_ranges): Ditto.
12740 * cfgexpand.c (tree_expand_cfg): Ditto.
12741 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12742 * tree-ssa-pre.c (do_pre): Ditto.
12743 (execute_fre): Ditto.
12744 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12745 (rest_of_handle_jump2): Ditto.
12746 * tree-sra.c (tree_sra): Ditto.
12747 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12748 (execute_mudflap_function_decls): Ditto.
12749 * tree-ssa-copy.c (do_copy_prop): Ditto.
12750 (do_store_copy_prop): Ditto.
12751 * ipa-prop.h (ipcp_driver): Ditto.
12752 * cfglayout.c (insn_locators_initialize): Ditto.
12753 * tree-ssa-forwprop.c
12754 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12755 * cfglayout.h (insn_locators_initialize): Ditto.
12756 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12757 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12758 (execute_late_warn_uninitialized): Ditto.
12759 * rtl.h (cleanup_barriers): Ditto.
12760 (split_all_insns_noflow): Ditto.
12761 (purge_line_number_notes): Ditto.
12762 (unshare_all_rtl): Ditto.
12763 (remove_unnecessary_notes): Ditto.
12764 (recompute_reg_usage): Ditto.
12765 (variable_tracking_main): Ditto.
12766 * integrate.c (emit_initial_value_sets): Ditto.
12767 * integrate.h (emit_initial_value_sets): Ditto.
12768 * tree-optimize.c (execute_free_datastructures): Ditto
12769 (execute_free_cfg_annotations): Ditto.
12770 (execute_fixup_cfg): Ditto.
12771 (execute_cleanup_cfg_pre_ipa): Ditto.
12772 (execute_cleanup_cfg_post_optimizing): Ditto.
12773 (execute_init_datastructures): Ditto.
12774 * tree-object-size.c (compute_object_sizes): Ditto.
12775 * combine.c (rest_of_handle_combine): Ditto.
12776 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12777 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12778 (rest_of_handle_reorder_blocks): Ditto.
12779 (rest_of_handle_partition_blocks): Ditto.
12780 * var-tracking.c (variable_tracking_main): Ditto.
12781 * tree-profile.c (tree_profiling): Ditto.
12782 * tree-vect-generic.c (expand_vector_operations): Ditto.
12783 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12784 * sched-rgn.c (rest_of_handle_sched): Ditto.
12785 (rest_of_handle_sched2): Ditto.
12786 * basic-block.h (free_bb_insn): Ditto.
12787 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12788 * tree-cfg.c (execute_build_cfg): Ditto.
12789 (remove_useless_stmts): Ditto.
12790 (split_critical_edges): Ditto.
12791 (execute_warn_function_return): Ditto.
12792 (execute_warn_function_noreturn): Ditto.
12793 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12794 * cfgrtl.c (free_bb_for_insn): Ditto.
12795 * passes.c (execute_one_pass): Run additional
12796 todos returned by execute function.
12797 * tree-pass.h (struct tree_opt_pass): Make execute
12800 2006-03-02 Richard Guenther <rguenther@suse.de>
12802 * tree-ssa-alias.c (find_used_portions): Consider taking
12803 the address as making the variable not write-only.
12805 2006-03-02 Nick Clifton <nickc@redhat.com>
12807 * config.gcc (default_use_cxa_atexit): Extend the description of
12808 this configure variable. Set its default value to "yes" for
12809 Linux, NetBSD and ELF targets on the assumption that they will
12810 use C libraries with the __cxa_atexit function.
12812 2006-03-02 Ben Elliston <bje@au.ibm.com>
12814 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12815 parameter as unused to suppress a build warning.
12817 2006-03-02 Ben Elliston <bje@au.ibm.com>
12819 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12822 2006-03-01 Roger Sayle <roger@eyesopen.com>
12825 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12826 declared name, the weak reference name, and the typeof name.
12827 (__gthrw): Avoid expanding the declared name suffix.
12828 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12830 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12832 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12834 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12835 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12836 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12837 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12838 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12839 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12840 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12841 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12842 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12843 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12844 (DW_END_default, DW_END_big, DW_END_little): New.
12845 (DW_END_lo_user, DW_END_hi_user): Define.
12846 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12847 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12848 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12851 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12853 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12855 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12857 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12859 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12861 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12862 to 'symbol_mem_tag'.
12864 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12867 2006-03-01 Roger Sayle <roger@eyesopen.com>
12869 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12871 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12874 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12875 MACHO_DYNAMIC_NO_PIC_P.
12876 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12878 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12881 * config/darwin-protos.h (darwin_asm_output_anchor):
12883 * config/darwin-sections.def (cstring_section):
12884 Add SECTION_MERGE to the flags.
12885 (literal4_section): Likewise.
12886 (literal8_section): Likewise.
12887 (objc_selector_refs_section): Likewise.
12888 (objc_cls_refs_section): Likewise.
12889 * config/darwin.c (darwin_asm_output_anchor): New
12891 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12893 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12895 Fix PR tree-optimization/26443
12896 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12897 to todo and PROP_tmt_usage to properties_destroyed.
12898 * tree-ssa-ccp.c (pass_ccp): Ditto.
12899 (pass_store_ccp): Ditto.
12900 * tree-ssa-dom.c (pass_dominator): Ditto.
12902 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12904 * tree-ssa-operands.c: Cleanup whitespace.
12905 (get_asm_expr_operands): Move before first invocation.
12906 (get_indirect_ref_operands): Likewise.
12907 (get_tmr_operands): Likewise.
12908 (get_call_expr_operands): Likewise.
12909 (append_def): Likewise.
12910 (append_use): Likewise.
12911 (append_v_may_def): Likewise.
12912 (append_v_must_def): Likewise.
12913 (add_call_clobber_ops): Likewise.
12914 (add_call_read_ops): Likewise.
12915 (add_stmt_operand): Likewise.
12916 (add_virtual_operand): Likewise.
12917 (build_ssa_operands): Likewise.
12919 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12921 PR middle-end/26022
12923 PR middle-end/24437
12924 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12925 with a call expr to ...
12926 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12928 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12930 * tree-vrp.c (extract_range_from_assert): Remove special
12931 handling for types with super-types.
12933 2006-03-01 Ben Elliston <bje@au.ibm.com>
12935 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12936 and powerpc64-*-linux* configurations.
12937 * config/t-dfprules: New file.
12939 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12940 Compile dfp-bit.c from the source directory using -DWIDTH and
12941 $DFP_CFLAGS to control the compilation of that file, rather than
12942 generating width-specific versions in the build directory.
12943 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12944 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12946 2006-02-28 Zack Weinberg <zackw@panix.com>
12948 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12951 2006-02-28 Eric Christopher <echristo@apple.com>
12953 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12954 Set up IN_LIBGCC definition of TARGET_64BIT.
12955 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12957 2006-02-28 Roger Sayle <roger@eyesopen.com>
12959 PR middle-end/14752
12960 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12961 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12962 cases via the construction of "expr != 0".
12964 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12966 * alias.c (alias_invariant, alias_invariant_size): Remove.
12967 (record_base_value): Remove.
12968 (memrefs_conflict_p): Don't look at alias_invariant.
12969 (end_alias_analysis): Don't free it.
12970 * alias.h (record_base_value): Remove prototype.
12972 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12973 Adam Nemet <anemet@caviumnetworks.com>
12975 * rtl.h (truncated_to_mode): Declare it.
12976 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12977 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12978 (RTL_HOOKS_INITIALIZER): Include it.
12979 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12980 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12981 reg_truncated_to_mode.
12982 * rtlanal.c (truncated_to_mode): Define it.
12983 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12985 2006-02-28 Jeff Law <law@redhat.com>
12987 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12988 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12989 the range allowed by TYPE_PRECISION.
12991 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12993 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12995 PR tree-optimization/26419
12996 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12999 2006-02-27 Zack Weinberg <zackw@panix.com>
13001 * doc/md.texi: Fix typo in previous change.
13003 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13007 2006-02-27 Zack Weinberg <zackw@panix.com>
13009 * rtl.def (define_constraint, define_register_constraint)
13010 (define_memory_constraint, define_address_constraint): New MD forms.
13011 * gensupport.c (process_rtx): Put define_constraint etc on the
13013 * genpreds.c (process_define_predicate): Adjust comment. Validate
13014 the name, and call validate_exp to validate the expression.
13015 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13016 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13017 all callers changed.
13018 (validate_exp, needs_variable, struct constraint_data)
13019 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13020 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13021 (const_dbl_constraints, constraint_max_namelen)
13022 (have_register_constraints, have_memory_constraints)
13023 (have_address_constraints, have_address_constraints)
13024 (have_extra_constraints, have_const_int_constraints)
13025 (have_const_dbl_constraints, mangle, add_constraint)
13026 (process_define_constraint, process_define_register_constraint)
13027 (write_enum_constraint_num, write_lookup_constraint)
13028 (write_insn_constraint_len, write_regclass_for_constraint)
13029 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13030 (write_insn_extra_memory_constraint)
13031 (write_insn_extra_address_constraint)
13032 (write_satisfies_constraint_fns): New.
13033 (write_tm_preds_h): If we have new-style constraint definitions,
13034 prototype the functions generated from them, and define the
13035 old constraint interface (still used by generic code) in terms of
13037 (write_insn_preds_c): If we have new-style constraint definitions,
13038 generate all relevant functions from those definitions.
13039 (main): Handle define_constraint etc.
13040 * genoutput.c (struct constraint_data, indep_constraints)
13041 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13042 (mdep_constraint_len): New data structures and functions, defined
13043 #ifdef USE_MD_CONSTRAINTS.
13044 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13045 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13046 use new logic to validate operand constraints against constraint
13048 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13050 * defaults.h: If none of the old-style constraint macros are
13051 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13052 old-style macros; and poison REG_CLASS_FROM_LETTER,
13053 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13055 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13056 * doc/md.texi: Document new constraint-definition mechanism and the
13057 C interface it provides. Remove references to old mechanism
13058 elsewhere in the document.
13059 (Machine Constraints): Use pathnames relative to gcc directory,
13060 i.e. config/ARCH/FILE. Change i386 section to refer to
13061 config/i386/predicates.md; update that section to match docstrings.
13062 * doc/tm.texi: Move all documentation of the old constraint-
13063 definition macros to their own section, clearly mark as obsolete.
13065 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13066 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13068 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13069 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13070 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13071 constraint strings.
13072 (splits and peepholes): Use satisfies_constraint_*.
13073 * config/i386/i386.c (memory_address_length)
13074 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13076 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13078 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13079 scalar operation to be put back into the loop.
13081 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13084 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13085 (extract_cie_info): Handle S flag in augmentation string.
13086 (execute_cfa_program): If context->signal_frame, execute also
13087 fs->pc == context->ra instructions.
13088 (uw_frame_state_for): If context->signal_frame, don't subtract one
13089 from context->ra to find FDE.
13090 (uw_update_context_1): Set context->signal_frame to
13092 (_Unwind_GetIPInfo): New function.
13093 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13094 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13096 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13097 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13098 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13099 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13100 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13101 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13102 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13103 x86_64_fallback_frame_state): Set fs->signal_frame.
13104 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13105 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13106 (frob_update_context): Likewise. Workaround missing S flag in
13107 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13108 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13109 Remove the psw_addr + 1 hack.
13111 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13113 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13114 with aggregates here.
13115 (find_func_aliases): Remove code for &<aggregate> from here.
13117 2006-02-26 Roger Sayle <roger@eyesopen.com>
13119 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13120 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13121 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13122 as (X & C) ne/eq 0.
13124 2006-02-26 Roger Sayle <roger@eyesopen.com>
13126 PR middle-end/19983
13127 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13129 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13131 * opts.c (decode_options): Do not handle flag_strength_reduce.
13132 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13133 and OPT_fstrength_reduce.
13134 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13135 flag_prefetch_loop_arrays for being nonzero.
13136 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13138 (fprefetch-loop-arrays-rtl): Removed.
13139 (flag_prefetch_loop_arrays): Do not specify the value.
13141 * doc/passes.texi: Update documentation of loop optimizer
13143 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13144 -frerun-loop-opt): Remove.
13146 2006-02-26 Richard Guenther <rguenther@suse.de>
13148 PR tree-optimization/26421
13149 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13150 in function calls that are ADDR_EXPRs as using the whole structure.
13152 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13154 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13155 * tree-pass.h (pass_loop_optimize): Remove.
13156 * passes.c (pass_loop_optimize): Never run it.
13157 * toplev.c (backend_init): Don't call init_loop.
13158 * opts.c (flag_loop_optimize_set): Remove.
13159 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13160 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13161 the old RTL loop optimizer when profiling enabled.
13162 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13163 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13164 pre-headers for the sake of the old RTL loop optimizer.
13165 * Makefile.in: Remove all references to loop.o.
13167 * doc/invoke.texi: Remove all references to -floop-optimize
13168 and -frerun-loop-opt.
13170 2006-02-26 Zack Weinberg <zackw@panix.com>
13172 * doc/md.texi (Machine Constraints): Refer to all files with paths
13173 relative to gcc directory (i.e. config/CPU/file). Add missing
13174 @table @code ... @end table to M32C subsection.
13176 2006-02-26 Roger Sayle <roger@eyesopen.com>
13178 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13180 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13182 2006-02-26 Roger Sayle <roger@eyesopen.com>
13183 James A. Morrison <phython@gcc.gnu.org>
13185 PR middle-end/21137
13186 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13187 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13188 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13189 signedness of the shift operation.
13191 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13193 PR tree-optimization/26359
13194 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13196 2006-02-25 Roger Sayle <roger@eyesopen.com>
13198 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13199 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13200 as X == 0, and some symmetry related transformations.
13201 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13203 2006-02-25 Roger Sayle <roger@eyesopen.com>
13205 PR middle-end/23673
13206 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13207 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13208 symmetry related transformations. Fold (X^C1) == C2 as
13211 2006-02-25 Juergen Weigert <jw@suse.de>
13212 Richard Guenther <rguenther@suse.de>
13214 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13216 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13218 * combine.c (gen_lowpart_or_truncate): Call
13219 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13221 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13223 * doc/invoke.texi: Move -fopenmp description to "Options for
13225 Remove reference to -lgomp.
13227 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13229 * doc/install.texi: Require GNU tar version 1.14.
13231 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13233 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13234 * doc/invoke.texi (C++ Dialect Options): Document
13235 -fno-use-cxa-get-exception-ptr.
13236 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13237 * configure: Regenerate.
13238 * c.opt (fuse-cxa-get-exception-ptr): New.
13239 * c-opts.c (c_common_handle_option): Handle
13240 OPT_fuse_cxa_get_exception_ptr.
13241 * c-common.c (flag_use_cxa_atexit): Update documentation.
13242 (flag_use_cxa_get_exception_ptr): New.
13243 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13244 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13246 (C_COMMON_OVERRIDE_OPTIONS): New.
13248 2006-02-24 Roger Sayle <roger@eyesopen.com>
13250 PR middle-end/24952
13251 * combine.c (try_combine): Explicitly check whether GET_CODE is
13252 a SET or a CLOBBER, instead on checking that it isn't a USE.
13254 2006-02-24 Roger Sayle <roger@eyesopen.com>
13256 * fold-const.c (fold_comparison): New subroutine of fold_binary
13257 containing transformations common to both the equality and
13258 ordering relational operators, factored out of fold_binary.
13259 (fold_binary): Separate out the equality operators (EQ_EXPR
13260 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13261 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13262 transformations common to both.
13263 (fold_div_compare): Fix latent bugs in the previously unreachable
13264 LT_EXPR and GE_EXPR cases.
13266 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13268 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13269 decl libname for clog to __clog on AIX.
13271 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13273 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13276 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13277 output traceback table for thunks. Localise rs6000_stack_info call.
13279 2006-02-23 Roger Sayle <roger@eyesopen.com>
13280 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13282 * gthr-posix.h (__gthrw): Fix typo in comment.
13284 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13286 * doc/cpp.texi (Character sets): Document that we do support
13287 input files to be in any character set.
13289 2006-02-23 Jeff Law <law@redhat.com>
13291 * tree.h (PHI_ARG_NONZERO): Remove.
13292 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13293 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13294 node to the new node.
13296 PR tree-optimization/26425
13297 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13298 min/max, then assume its varying.
13300 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13302 PR rtl-optimization/26316
13303 * rtlanal.c (enum may_trap_p_flags): New.
13304 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13305 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13306 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13307 (may_trap_after_code_motion_p): New function.
13308 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13309 (find_invariant_insn): Use may_trap_after_code_motion_p.
13310 * rtl.h (may_trap_after_code_motion_p): Declare.
13312 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13314 * emit-rtl.c (immed_double_const): Cleanup.
13316 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13318 Fix PR tree-optimization/26376
13319 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13322 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13324 PR middle-end/26412
13325 * gimplify.c (omp_add_variable): Guard variable size decl test with
13326 DECL_SIZE (decl) check.
13328 2006-02-23 Richard Guenther <rguenther@suse.de>
13330 PR middle-end/26439
13331 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13332 like aggregate types.
13334 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13336 * configure.ac: Add --with{,out}-long-double-128 configure option.
13337 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13338 * configure: Rebuilt.
13339 * config.in: Rebuilt.
13340 * doc/install.texi (Options specification): Document
13341 --with-long-double-128.
13343 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13344 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13345 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13346 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13348 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13350 * config/s390/s390.c (override_options): Handle
13351 TARGET_DEFAULT_LONG_DOUBLE_128.
13353 * config/alpha/alpha.c (override_options): Handle
13354 TARGET_DEFAULT_LONG_DOUBLE_128.
13356 * config/sparc/sparc.c (sparc_override_options): Handle
13357 TARGET_DEFAULT_LONG_DOUBLE_128.
13359 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13361 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13362 (real-install-headers-tar, real-install-headers-cpio)
13363 (real-install-headers-cp): New targets.
13365 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13367 * tree.h (variable_section): Delete.
13368 * varasm.c (variable_section): Delete.
13370 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13372 * install.texi: Add notes on install.texi2html.
13373 (Building in parallel): Do not use footnotes.
13375 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13378 * doc/install.texi (Configuration): Document --disable-libgomp.
13380 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13382 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13384 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13386 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13387 (vec_extractv2df_0_sse): New.
13389 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13391 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13392 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13393 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13394 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13395 to the result of the expression.
13396 (def_cfa_1): Adjust.
13397 (frame_pointer_cfa_offset): Rename to...
13398 (frame_pointer_fb_offset): ... this. Adjust all uses.
13399 (convert_cfa_to_loc_list): Rename to...
13400 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13401 Pass it on to build_cfa_loc.
13402 (compute_frame_pointer_to_cfa_displacement): Rename to...
13403 (compute_frame_pointer_to_fb_displacement): ... this. New
13404 offset parameter. Use it in computation.
13405 (gen_subprogram_die): Compute cfa_fb_offset with the new
13406 macro, and use it to compute the fb loc list and the
13409 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13411 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13412 replaced with register_operand.
13413 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13414 non-DREG is expensive.
13415 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13416 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13419 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13421 * doc/install.texi2html: Use set -e.
13423 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13425 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13426 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13427 * doc/invoke.texi (-fshared-data): Delete.
13428 * common.opt (fshared-data): Delete.
13429 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13430 (assemble_static_space): Remove #if 0 code.
13431 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13432 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13433 * config/cris/cris.h: Remove FIXME.
13435 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13437 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13440 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13442 PR middle-end/26379
13443 * combine.c (simplify_shift_const_1): Disable nested shifts
13444 optimization for vector shifts.
13446 2006-02-20 Roger Sayle <roger@eyesopen.com>
13448 PR tree-optimization/26361
13449 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13450 of unsigned integer types.
13452 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13454 * tree-chrec.c (eq_evolutions_p): New.
13455 * tree-chrec.h (eq_evolutions_p): Declared.
13456 * tree-data-ref.c: Fix formatting.
13457 (datadep_stats, dependence_stats): New.
13459 (print_direction_vector): New.
13460 (dump_data_dependence_relation): Use print_direction_vector.
13461 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13462 (compute_subscript_distance): Static.
13463 (initialize_data_dependence_relation): Static. Get the number
13464 of loops surrounding the references from the callers, and initialize
13465 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13466 base_object_differ_p analyzers.
13467 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13468 compute_overlap_steps_for_affine_1_2,
13469 analyze_subscript_affine_affine): Count the classified dependences.
13470 Print a message when a test failed.
13471 (can_use_analyze_subscript_affine_affine): New.
13472 (analyze_siv_subscript): Compute the data dependences on symbolic
13473 scevs that verify can_use_analyze_subscript_affine_affine.
13474 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13475 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13476 Handle symbolic scevs.
13477 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13479 (subscript_dependence_tester): Moved...
13480 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13481 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13482 DDR_SIZE_VECT instead of getting it in parameter.
13483 (subscript_dependence_tester): ... here. Take as a parameter
13484 loop_nest_depth. Call build_classic_dist_vector and
13485 build_classic_dir_vector.
13486 (compute_affine_dependence): Update subscript_dependence_tester
13487 parameters. Update datadep_stats counters. Call
13488 compute_subscript_distance.
13489 (compute_self_dependence): Save the dist and dir vectors. Call
13490 compute_subscript_distance.
13491 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13492 (compute_all_dependences): Reorder parameters as they were before
13493 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13494 compute_subscript_distance. Update the use of
13495 compute_affine_dependence and initialize_data_dependence_relation.
13496 (find_data_references_in_loop): Handle COMPONENT_REF.
13497 (compute_data_dependences_for_loop): Initialize dependence_stats.
13498 Don't call build_classic_dist_vector and build_classic_dir_vector.
13499 Update the parameters of initialize_data_dependence_relation and
13500 compute_all_dependences. Print the statistics from datadep_stats.
13501 (analyze_all_data_dependences): Static. Not used until the pass for
13502 checking the data dependences is contributed.
13503 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13504 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13505 (initialize_data_dependence_relation, compute_affine_dependence,
13506 analyze_all_data_dependences, compute_subscript_distance): Removed.
13507 (print_direction_vector): New.
13508 * lambda.h (gcd): ... here.
13509 (lambda_vector_gcd): Moved here from gcd_vector.
13510 * lambda-code.c (gcd, gcd_vector): Removed.
13511 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13512 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13514 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13516 * ipa-type-escape.c: Tidy some comments and white space.
13517 * tree-ssa-operands.c: Likewise.
13519 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13522 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13523 (dump_decl_name): Do not walk the decl tree chains.
13524 * tree-pass.h (TDF_CHAIN): Remove.
13526 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13528 * Makefile.in (C): Remove
13530 (.PHONY): Remove C and PROTO
13532 2006-02-20 Roger Sayle <roger@eyesopen.com>
13534 PR middle-end/26236
13535 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13536 deprecated CHAR_TYPE tree code.
13538 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13540 * configure.ac (target_list): Add install-info, dvi, html.
13541 * configure: Regenerate.
13543 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13544 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13545 treelang/Make-lang.in: Do not use double-colon rules.
13547 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13549 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13550 (TMT_USED_ALONE): New macro.
13551 * tree-pass.h (PROP_tmt_usage): New property.
13552 (TODO_update_tmt_usage): New todo.
13553 * tree-ssa-alias.c (updating_used_alone): New variable.
13554 (recalculate_used_alone): New function.
13555 (compute_may_aliases): Set updating_used_alone, call
13556 recalculate_used_alone.
13557 * tree-sra.c (pass_sra): Note that this pass destroys
13558 PROP_tmt_usage, and add TODO_update_tmt_usage.
13559 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13560 * tree-flow.h (updating_used_alone): Prototype.
13561 (recalculate_used_alone): Ditto.
13562 * passes.c (execute_todo): Add code to set updating_used_alone,
13563 and call recalculate.
13564 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13565 for clobber if used alone, and add assert to verify used_alone
13568 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13570 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13571 for non tls symbols added.
13572 (legitimize_address): Do nothing for PLUS expressions if one of the
13573 addends is a tls symbol reference.
13575 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13579 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13581 * Makefile.in (BOOTSTRAPPING): New.
13582 (quickstrap): New definition if BOOTSTRAPPING=yes.
13584 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13585 * configure.ac: Substitute all_selected_languages with the languages
13586 that were configured. For all the other variables except
13587 lang_specs_files, include all the languages in the tree.
13588 * configure: Regenerate.
13590 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13591 if there is one. Run the commands to run fixincludes in the same
13594 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13595 * doc/install.texi: Document exact conventions for searching target tools.
13596 Document --with-build-time-tools. Document toplevel bootstrap. Document
13597 something more about building an Ada cross-compiler. Don't list GNU Make
13598 requirements which affect all platforms.
13600 2006-02-19 Roger Sayle <roger@eyesopen.com>
13602 PR middle-end/19543
13603 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13604 only equivalent if the have both the same mode and precision.
13606 2006-02-20 Ben Elliston <bje@au.ibm.com>
13608 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13610 2006-02-19 Roger Sayle <roger@eyesopen.com>
13611 Steven Bosscher <stevenb.gcc@gmail.com>
13613 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13614 constant pool references to identify stack mode constants.
13615 * rtlanal.c (constant_pool_constant_p): New predicate to check
13616 whether operand is a floating point constant in the pool.
13617 * rtl.h (constant_pool_constant_p): Prototype here.
13618 * loop.c (scan_loop): Avoid hoisting constants from the constant
13619 pool on STACK_REGS targets.
13620 (load_mems): Likewise.
13621 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13622 loads into x87 registers expensive in terms of register pressure.
13624 2006-02-19 Roger Sayle <roger@eyesopen.com>
13626 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13627 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13629 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13631 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13632 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13634 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13636 * doc/invoke.texi: Document -fipa-pta.
13637 * common.opt: Add ipa-pta option.
13638 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13639 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13640 (do_ds_constraint): Ditto.
13641 (get_constraint_for): Only add to referenced_vars if
13642 referenced_vars exists.
13643 (insert_into_field_list): Rewrite to do this unsorted.
13644 (insert_into_field_list_sorted): Rename old insert_into_field_list
13646 (create_function_info_for): Use insert_into_field_list_sorted.
13647 (create_variable_info_for): Rewrite so it uses unsorted version,
13648 since the field list is sorted.
13649 (intra_create_variable_infos): Only add to referenced_vars if
13650 referenced_vars exists.
13651 (ipa_pta_execute): Init heapvars, and delete when done.
13652 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13654 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13656 * doc/install.texi: Add missing `@samp'.
13658 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13660 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13663 2006-02-18 Mark Wielaard <mark@klomp.org>
13665 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13666 who added new 4.1 features, bug fixes and integration support.
13668 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13671 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13672 MEM for ABI_V4 pic.
13674 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13676 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13677 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13678 (copy_insn_1): Likewise. Don't copy each field individually.
13680 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13682 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13683 * rtl.c (rtx_size): Rename variable to...
13684 (rtx_code_size): ...this.
13685 (rtx_size): New function.
13686 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13687 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13689 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13690 * rtl.h (rtx_code_size): New variable.
13691 (rtx_size): Change from a variable to a function.
13692 (RTX_SIZE): Rename to...
13693 (RTX_CODE_SIZE): ...this.
13696 PR tree-optimization/17106
13697 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13698 (Anchored Addresses): New section.
13699 * doc/invoke.texi (-fsection-anchors): Document.
13700 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13701 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13702 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13703 * hooks.c (hook_bool_mode_rtx_false): New function.
13704 * hooks.h (hook_bool_mode_rtx_false): Declare.
13705 * gengtype.c (create_optional_field): New function.
13706 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13707 SYMBOL_REF_IN_BLOCK_P is true.
13708 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13709 (min_anchor_offset, max_anchor_offset): Likewise.
13710 (use_anchors_for_symbol_p): New hook.
13711 * toplev.c (compile_file): Call output_object_blocks.
13712 (target_supports_section_anchors_p): New function.
13713 (process_options): Check that -fsection-anchors is only used on
13714 targets that support it and when -funit-at-a-time is in effect.
13715 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13716 if the decl doesn't have one.
13717 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13718 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13719 of force_const_mem through use_anchored_address.
13720 (expand_expr_constant): New function.
13721 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13722 calling expand_expr for INDIRECT_REF.
13723 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13724 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13725 * expr.h (use_anchored_address): Declare.
13726 * loop-unroll.c: Don't declare rtx vectors here.
13727 * explow.c: Include output.h.
13728 (validize_mem): Call use_anchored_address.
13729 (use_anchored_address): New function.
13730 * common.opt (-fsection-anchors): New switch.
13731 * varasm.c (object_block_htab, anchor_labelno): New variables.
13732 (hash_section, object_block_entry_eq, object_block_entry_hash)
13733 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13734 (use_blocks_for_decl_p, change_symbol_section): New functions.
13735 (get_variable_section): New function, split out from assemble_variable.
13736 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13737 use_blocks_for_decl_p say so. Use change_symbol_section if the
13738 symbol has already been created.
13739 (assemble_variable_contents): New function, split out from...
13740 (assemble_variable): ...here. Don't output any code for
13741 block symbols; just pass them to place_block_symbol.
13742 Use get_variable_section and assemble_variable_contents.
13743 (get_constant_alignment, get_constant_section, get_constant_size): New
13744 functions, split from output_constant_def_contents.
13745 (build_constant_desc): Create a block symbol if use_object_blocks_p
13746 says so. Or into SYMBOL_REF_FLAGS.
13747 (assemble_constant_contents): New function, split from...
13748 (output_constant_def_contents): ...here. Don't output any code
13749 for block symbols; just pass them to place_section_symbol.
13750 Use get_constant_section and get_constant_alignment.
13751 (force_const_mem): Create a block symbol if use_object_blocks_p and
13752 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13753 (output_constant_pool_1): Add an explicit alignment argument.
13754 Don't switch sections here.
13755 (output_constant_pool): Adjust call to output_constant_pool_1.
13756 Switch sections here instead. Don't output anything for block symbols;
13757 just pass them to place_block_symbol.
13758 (init_varasm_once): Initialize object_block_htab.
13759 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13760 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13761 (place_block_symbol, get_section_anchor, output_object_block)
13762 (output_object_block_htab, output_object_blocks): New functions.
13763 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13764 (TARGET_ASM_OUT): Include it.
13765 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13766 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13767 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13768 (TARGET_INITIALIZER): Include them.
13769 * rtl.c (rtl_check_failed_block_symbol): New function.
13770 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13771 (block_symbol, object_block): New structures.
13772 (rtx_def): Add a block_symbol field to the union.
13773 (BLOCK_SYMBOL_CHECK): New macro.
13774 (rtl_check_failed_block_symbol): Declare.
13775 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13776 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13777 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13778 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13779 * output.h (output_section_symbols): Declare.
13780 (object_block): Name structure.
13781 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13782 (default_use_anchors_for_symbol_p): Declare.
13783 * Makefile.in (RTL_BASE_H): Add vec.h.
13784 (explow.o): Depend on output.h.
13785 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13786 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13787 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13788 (rs6000_use_blocks_for_constant_p): New function.
13790 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13792 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13794 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13797 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13800 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13802 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13806 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13808 PR middle-end/26334
13809 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13810 instead of DECL_REGISTER.
13812 2006-02-18 Olivier Hainque <hainque@adacore.com>
13815 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13817 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13820 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13821 * opth-gen.awk: Handle Var and InverseMask together.
13822 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13823 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13824 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13825 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13827 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13828 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13829 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13830 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13831 LINUX_DYNAMIC_LINKER): Define.
13832 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13833 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13835 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13836 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13837 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13839 (TARGET_C99_FUNCTIONS): Don't define.
13840 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13841 GLIBC_DYNAMIC_LINKER.
13842 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13843 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13844 GLIBC_DYNAMIC_LINKER64): Define.
13845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13846 LINUX_DYNAMIC_LINKER64.
13847 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13849 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13851 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13853 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13854 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13855 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13856 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13857 and LINUX_DYNAMIC_LINKER32.
13858 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13860 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13861 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13862 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13864 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13865 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13866 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13867 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13868 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13869 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13870 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13871 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13872 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13873 LINUX_DYNAMIC_LINKER): Define.
13874 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13875 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13876 GLIBC_DYNAMIC_LINKER64): Define.
13877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13878 LINUX_DYNAMIC_LINKER64.
13879 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13880 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13881 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13882 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13883 LINUX_DYNAMIC_LINKER): Define.
13884 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13885 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13886 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13887 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13888 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13889 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13890 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13891 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13892 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13893 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13895 * doc/invoke.texi (-muclibc): Remove caveat about supported
13898 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13900 * doc/cpp.texi (__TIMESTAMP__): Document.
13902 2006-02-17 Roger Sayle <roger@eyesopen.com>
13904 PR middle-end/25600
13905 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13906 C is one less than the width of X (and related transformations).
13907 * simplify-rtx.c (simplify_unary_operation_1): Transform
13908 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13909 depending on STORE_FLAG_VALUE, were C is one less then the
13912 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13914 Fix PR tree-optimization/26341
13915 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13916 about NAME_MEMORY_TAG's.
13918 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13921 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13922 with hardware float support, and software float support. Add fcpy
13923 alternative to hardware patterns. Add alternatives to copy between
13924 general and floating-point registers to the 32-bit pattern.
13925 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13926 secondary reload to load a QI or HI mode constant into a floating
13928 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13929 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13931 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13934 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13936 (load_macho_picbase_di): Likewise.
13938 2006-02-16 Jeff Law <law@redhat.com>
13940 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13941 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13942 (ssa_name_nonzero_p): Likewise.
13943 (get_value_range): Return NULL if VRP is not running.
13944 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13945 VRP routines do not discover a range.
13946 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13947 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13948 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13949 (tree_expr_nonnegative_p): Similarly.
13950 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13951 (restore_nonzero_vars_to_original_value): Remove.
13952 (unsafe_associative_fp_binop): Remove.
13953 (tree_ssa_dominator_optimize): Remove initialization and
13954 finalization of nonzero_vars and nonzero_vars_stack.
13955 (dom_opt_initialize_block): No longer push marker on
13956 nonzero_vars_stack.
13957 (dom_opt_finalize_block): No longer call
13958 restore_nonzero_vars_to_original_value.
13959 (record_equivalences_from_phis): No longer look for
13960 nonzero PHI arguments.
13961 (cprop_into_successor_phis): No longer propagate nonzero
13962 property into PHI arguments. Lose unused argument. Caller
13964 (record_equivalences_from_stmt): No longer record nonzero
13965 values for SSA_NAMEs.
13966 (lookup_avail_expr): No longer use nonzero_vars.
13968 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13969 for sizetype when sizetype is unsigned.
13971 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13973 PR rtl-optimization/25603
13974 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13975 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13976 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13977 with new meaning of SETS.
13979 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13984 * config/linux.opt: New file.
13985 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13986 LINUX_DYNAMIC_LINKER): Define.
13987 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13988 * config.gcc (*-*-linux*): Define extra_options.
13989 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13990 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13991 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13992 GLIBC_DYNAMIC_LINKER.
13993 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13994 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13995 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13997 * doc/invoke.texi (GNU/Linux Options): New section.
13999 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14001 * config/sparc/sparc.md (setjmp): Rewrite.
14002 (setjmp_32): Delete.
14003 (setjmp_64): Likewise.
14005 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14007 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14010 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14012 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14015 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14017 PR rtl-optimization/26296
14018 * Makefile.in (loop-invariant.c): Add except.h dependency.
14019 * loop-invariant.c: Include except.h.
14020 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14022 2005-02-16 Paul Brook <paul@codesourcery.com>
14024 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14027 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14029 PR rtl-optimization/25636
14030 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14031 when deciding whether an insn is an initializing insn.
14033 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14035 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14036 (tree_code_size): Ditto.
14037 * tree.h (struct tree_memory_tag): Remove parent_var.
14038 (struct tree_struct_field_tag): New.
14041 (union tree_node): Add sft member.
14042 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14044 (create_sft): Add size and offset argument, set SFT_OFFSET and
14046 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14047 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14048 * tree-flow-inline.h (get_subvar_at): Update for
14049 SFT_OFFSET/SFT_SIZE.
14050 (var_can_have_subvars): Ditto.
14051 (overlap_subvar): Ditto.
14052 * print-tree.c (print_node): Print out interesting things for
14054 * tree-flow.h (struct subvar): Remove offset and size members.
14055 * tree-ssa-operands.c (get_expr_operands): Update for
14056 get_indirect_ref_operands changes.
14057 (get_indirect_ref_operands): Call add_virtual_operand instead of
14058 add_stmt_operand. Only recurse on base var if requested.
14059 (access_can_touch_variable): New function.
14060 (add_stmt_operand): Split virtual operand handling into ...
14061 (add_virtual_operand): Here. Add offset, size, and for_clobber
14062 arguments. Prune alias sets.
14063 (add_call_clobber_ops): Call add_virtual_operand.
14065 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14067 PR middle-end/26300
14068 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14070 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14071 than TREE_CODE as index into omp_clause_num_ops array.
14073 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14075 PR rtl-optimization/26184
14076 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14078 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14079 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14080 must_precede, must_follow and tobe_scheduled.
14083 * opts.c (common_handle_option): Free new_option pointer.
14084 * df-core.c (df_analyze): Free postorder pointer.
14086 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14088 * Makefile.in: Fix the examples about the use of stamps
14090 2006-02-15 Michael Matz <matz@suse.de>
14092 PR middle-end/22275
14094 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14095 influenced by maximum_field_alignment or DECL_PACKED.
14096 (update_alignment_for_field): Ditto.
14097 (place_field): Ditto.
14098 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14101 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14103 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14104 (debug_flow_info): Pass it.
14105 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14106 * bb-reorder.c (reorder_basic_blocks): Likewise.
14107 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14108 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14109 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14110 * gcse.c (gcse_main, bypass_jumps): Likewise.
14111 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14112 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14113 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14114 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14115 * rtl.h (dump_flow_info): Adjust prototype.
14116 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14117 * var-tracking.c (variable_tracking_main): Likewise.
14118 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14119 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14122 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14124 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14127 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14129 PR tree-optimization/26209
14130 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14131 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14133 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14135 2006-02-14 Roger Sayle <roger@eyesopen.com>
14137 PR middle-end/23670
14138 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14139 (X,Y) and the corresponding symmetry related transformations.
14140 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14141 (X,Y) and its symmetry related transformations.
14143 2006-02-14 Roger Sayle <roger@eyesopen.com>
14145 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14148 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14150 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14152 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14155 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14156 support COMDAT group.
14157 * configure: Regenerate.
14159 2006-02-14 Roger Sayle <roger@eyesopen.com>
14161 PR middle-end/26279
14162 PR middle-end/26280
14163 PR middle-end/26283
14164 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14166 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14168 Fix PR tree-optimization/26260
14170 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14172 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14173 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14174 * tree-ssa-structalias.c (create_variable_info_for): Use
14175 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14177 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14179 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14181 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14182 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14183 of the ending condition.
14184 * tree-ssa-loop-manip.c: Include params.h.
14185 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14186 tree_unroll_loop): New functions.
14187 * tree-pass.h (pass_loop_prefetch): Declare.
14188 * loop.c (rest_of_handle_loop_optimize): Test for
14189 -fprefetch-loop-arrays-rtl.
14190 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14191 * timevar.def (TV_TREE_PREFETCH): New timevar.
14192 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14193 pass_loop_prefetch): New.
14194 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14195 (cleanup_tree_cfg_loop): Call scev_reset.
14196 * common.opt (fprefetch-loop-arrays-rtl): Add.
14197 * tree-ssa-loop-prefetch.c: New file.
14198 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14199 (new_temp_expr_table): Initialize expr_vars.
14200 (free_temp_expr_table): Cleanup expr_vars.
14201 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14202 expressions from being merged into one.
14203 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14204 (struct tree_niter_desc): Add control, bound and cmp fields.
14205 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14207 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14208 (tree-cfgcleanup.o): Add SCEV_H dependency.
14209 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14210 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14212 2006-02-14 Richard Guenther <rguenther@suse.de>
14214 PR tree-optimization/26258
14215 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14216 in PHI argument processing.
14218 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14220 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14221 new expression in the requested machine mode.
14223 2006-02-13 Roger Sayle <roger@eyesopen.com>
14225 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14226 directly, instead let do_compare_rtx_and_jump handle this for us.
14227 * expr.c (expand_expr_real_1): Likewise.
14228 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14229 before do_jump_by_parts_greater.
14230 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14231 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14233 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14235 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14237 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14239 PR rtl-optimization/26235
14240 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14241 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14244 2006-02-13 Jeff Law <law@redhat.com>
14246 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14249 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14251 PR middle-end/26092
14252 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14253 twice if decl is a builtin. When trying again, call get_callee_fndecl
14254 first to verify it is still a builtin.
14256 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14258 * dwarf2out.c (base_type_die): Don't add AT_name here.
14259 (subrange_type_die): Don't add AT_name here.
14260 (modified_type_die): Rearrange code flow. Do add AT_name here.
14262 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14264 PR rtl-optimization/26247
14265 PR rtl-optimization/26248
14266 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14268 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14270 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14271 * config/fixtfdi.c: Likewise.
14272 * config/fixunstfdi.c: Likewise.
14273 * config/floatditf.c: Likewise.
14275 2006-02-13 Roger Sayle <roger@eyesopen.com>
14277 PR middle-end/24427
14278 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14279 into (X,C2) if C1 is a subset of the bits of C2. Transform
14280 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14282 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14284 2006-02-13 Josh Conner <jconner@apple.com>
14287 * varasm.c (function_section): Check for section name before
14288 calling select_section on targets that define
14289 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14290 unlikely_text_section instead of hot_function_section if
14291 first_function_block_is_cold.
14293 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14295 PR middle-end/25335
14296 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14298 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14300 PR rtl-optimization/26222
14301 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14302 after tree->rtl expansion.
14303 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14304 before passing it to emit_move_insn.
14306 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14308 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14310 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14311 Clarify documentation.
14312 * c-common.h (warn_write_strings): Remove.
14313 * c-common.c (warn_write_strings): Likewise.
14314 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14317 2006-02-12 Roger Sayle <roger@eyesopen.com>
14319 PR middle-end/25724
14320 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14321 (do_jump_parts_zero_rtx): New function renamed from
14322 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14323 (do_jump_parts_equality_rtx): New function split out from
14324 do_jump_parts_equality. Old implementation renamed as above.
14325 Call do_jump_parts_zero_rtx if either operand is zero.
14326 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14327 do all of the heavy lifting.
14328 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14329 calling either do_jump_by_parts_greater_rtx or
14330 do_jump_by_parts_equality_rtx.
14331 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14332 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14333 moved to do_compare_rtx_and_jump, call it directly.
14334 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14335 mode argument. Call do_compare_rtx_and_jump.
14336 (emit_case_nodes): Update calls to do_jump_if_equal.
14338 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14340 PR rtl-optimization/26225
14341 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14343 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14345 PR rtl-optimization/26232
14346 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14348 2006-02-11 Jason Merrill <jason@redhat.com>
14351 * tree-inline.c (declare_return_variable): Just don't use the
14352 modify target if it's a gimple complex reg and the return slot
14355 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14357 * doc/contrib.texi: Update my entry.
14359 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14361 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14363 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14365 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14368 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14370 * doc/invoke.texi (-floop-optimize2): Removed.
14371 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14372 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14373 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14374 * common.opt (floop-optimize2): Removed.
14375 (fmove-loop-invariants): Enabled by default.
14377 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14379 * tree-if-conv.c (combine_blocks): Free the result of
14380 get_loop_exit_edges.
14382 2006-02-10 Jeff Law <law@redhat.com>
14384 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14386 PR tree-optimization/26213
14387 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14388 loop trying to follow SSA_NAME_VALUE chains.
14390 2006-02-10 Richard Guenther <rguenther@suse.de>
14392 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14393 deal with structures that end in implicitly variable sized arrays.
14395 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14397 PR rtl-optimization/24762
14398 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14401 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14403 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14404 (struct ivopts_data): Add regs_used field.
14405 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14406 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14407 instead of loop_data->regs_used;
14408 (free_loop_data): Do not free aux fields for loops.
14409 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14410 and tree_ssa_iv_optimize_finalize.
14412 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14414 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14416 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14419 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14420 computing the effective result type.
14422 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14424 PR inline-asm/16194
14425 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14426 (tree_overlaps_hard_reg_set): Declare.
14427 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14428 type and signature to match function type expected by walk_tree.
14429 (tree_overlaps_hard_reg_set): New function.
14430 (decl_conflicts_with_clobbers_p): Rename to:
14431 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14432 Use tree_overlaps_hard_reg_set. Changed caller.
14433 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14434 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14435 * cris.c (cris_md_asm_clobbers): Likewise.
14437 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14439 * reload1.c (emit_input_reload_insns): Delete code that tries to
14440 inherit using find_equiv_reg.
14442 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14444 * c-common.h (flag_const_strings): Don't declare.
14445 * c-common.c (flag_const_strings): Remove.
14446 * c.opt (fconst_strings): Remove.
14447 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14448 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14449 (c_common_init_options): Don't set flag_const_strings.
14450 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14452 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14454 * arm.md (tlobits_cbranch): New pattern.
14455 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14456 testing a single bit.
14458 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14461 * tree-ssa-pre.c (create_component_ref_by_pieces):
14462 Handle RETURN_DECL like VAR_DECL.
14464 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14466 PR middle-end/26134
14467 * fold-const.c (fold_indirect_ref_1): Fold
14468 "*(foo *)&complexfoo" to "__real__ complexfoo"
14469 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14471 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14473 * tree-flow-inline.h (var_can_have_subvars):
14474 Volatile variables should not have subvariables.
14476 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14479 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14480 multiplying unsigned values.
14483 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14485 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14487 2006-02-08 Jason Merrill <jason@redhat.com>
14490 * tree.def: Elaborate on difference from MODIFY_EXPR.
14491 * doc/c-tree.texi (INIT_EXPR): Likewise.
14492 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14493 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14494 (gimplify_target_expr): Likewise.
14495 (gimplify_cond_expr): Remove target handling.
14496 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14497 (gimplify_expr): Clobber it here.
14498 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14499 Do return slot optimization if we have an INIT_EXPR.
14502 * tree-inline.c (declare_return_variable): Also clear
14503 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14506 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14508 PR middle-end/22439
14509 * gimplify.c (gimplify_one_sizepos): Fix typo.
14511 2006-02-08 Jeff Law <law@redhat.com>
14513 PR tree-optimization/21417
14514 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14515 across a backedge if the control statement at the end of the
14516 block is data dependent on other statements in the same block.
14517 (record_temporary_equivalences_from_stmts): Remove over-conservative
14518 test for threading across backedges.
14520 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14521 control statement, handle all three special cases in the same
14522 manner as they all have the same desired solution. No longer
14523 special case edge flag updating when the post dominator is
14526 2006-02-08 Roger Sayle <roger@eyesopen.com>
14528 * tree.def (CHAR_TYPE): Remove.
14529 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14530 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14531 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14532 (gen_string_type_die): Delete unreachable function.
14534 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14535 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14536 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14537 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14538 * builtins.c (type_to_class): Likewise.
14539 * fold-const.c (fold_convert, build_range_check,
14540 merge_ranges): Likewise.
14541 * expr.c (count_type_elements): Likewise.
14542 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14543 * stor-layout.c (layout_type): Likewise.
14544 * ipa-type-escape.c (type_to_consider): Likewise.
14545 * gimplify.c (omp_firstprivatize_type_sizes,
14546 gimplify_type_sizes): Likewise.
14547 * explow.c (promote_mode): Likewise.
14548 * tree-sra.c (is_sra_scalar_type): Likewise.
14549 * varasm.c (output_constant): Likewise.
14550 * tree-inline.c (remap_type_1): Likewise.
14551 * convert.c (convert_to_pointer, convert_to_real,
14552 convert_to_integer, convert_to_complex): Likewise.
14554 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14556 * df-scan.c (df_def_record_1): A set destination may
14557 be a parallel regardless of mode.
14559 2006-02-08 Roger Sayle <roger@eyesopen.com>
14562 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14563 * config/mips/_tilib.c: Remove.
14564 * config/fixtfdi.c: New libgcc source file.
14565 * config/fixunstfdi.c: New source file.
14566 * config/floatditf.c: New source file.
14567 * config/floatunditf.c: New souce file.
14568 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14569 files above instead of config/mips/_tilib.c.
14570 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14572 2006-02-08 Jeff Law <law@redhat.com>
14574 PR tree-optimization/26169
14575 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14578 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14580 * df.h (DF_REG_SIZE): Return the length of the initialized
14583 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14585 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14586 __muldf3): Return a correctly signed zero.
14588 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14590 * passes.c (register_one_dump_file): Accept the current properties
14591 instead of pass number. Adjust call to dump_register. Remove
14593 (register_dump_files): Now a wrapper around...
14594 (register_dump_files_1): ... this one. Do not modify the pass
14596 (next_pass_1): Cosmetic fix.
14597 (execute_todo): Keep second parameter only. Use curr_properties
14598 instead of fetching it from the pass structure. Check and set
14600 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14601 instead of fetching it from the pass structure. Fix calls to
14602 execute_todo. Update curr_properties and initialize .vcg RTL dump
14603 after running the pass. Reset last_verified.
14604 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14606 (FIRST_AUTO_NUMBERED_DUMP): New.
14607 (dump_register): Remove "num" parameter, assign it within the
14609 (get_dump_file_name): Modify template for dumps.
14610 * tree-dump.h (dump_register): Adjust prototype.
14611 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14612 (PROP_trees): Add PROP_gimple_lomp.
14613 (TODO_set_props): New.
14614 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14615 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14616 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14618 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14620 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14621 (sparc64-*-linux*): Likewise.
14622 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14623 * config/sparc/t-linux: New file.
14624 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14625 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14626 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14627 -m32 -mlong-double-128.
14629 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14630 * config/alpha/t-linux: New file.
14631 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14633 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14634 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14635 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14636 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14637 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14638 (CPP_ARCH32_SPEC): Remove.
14640 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14642 PR tree-optimization/26145
14643 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14646 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14649 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14650 >= 240000 when generating code for SOM runtime.
14651 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14652 to $$dyncall when generating code for SOM runtime..
14654 2006-02-07 Dirk Mueller <dmueller@suse.com>
14657 * doc/invoke.texi (-Wsequence-point): Update documentation
14658 that -Wsequence-point is implemented for C++ as well.
14660 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14662 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14663 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14664 (LIB_SPEC): Likewise.
14665 * doc/invoke.texi (SPARC options): Document -pthread.
14667 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14669 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14672 2006-02-07 Roger Sayle <roger@eyesopen.com>
14674 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14675 Correct comment describing BOOLEAN_TYPE.
14677 2006-02-07 Dirk Mueller <dmueller@suse.com>
14679 * c.opt: C++ frontend supports -Wdiv-by-zero.
14680 * c-opts.c (c_common_handle_option): Remove dead case.
14682 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14684 * configure.ac (TLS assembler check): Do not enable TLS by
14685 default on SPARC/Solaris before version 10.
14686 * configure: Regenerate.
14688 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14690 * doc/invoke.texi (xl-compat): Document conversion and support
14693 2006-02-07 Jeff Law <law@redhat.com>
14695 * tree-vrp.c (find_conditional_asserts): Update comments.
14696 (simplify_stmt_for_jump_threading): New.
14697 (identify_jump_threads, finalize_jump_threads): New.
14698 (vrp_finalize): Call identify_jump_threads.
14699 (execute_vrp): Call finalize_jump_threads.
14700 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14701 (vrp_element, vrp_data, vrp_element_p): Remove.
14702 (vrp_hash_elt, vrp_variables_stack): Remove.
14703 (vrp_hash, vrp_eq, record_range): Remove.
14704 (simplify_cond_and_lookup_avail_expr): Remove.
14705 (extract_range_from_cond): Remove.
14706 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14707 (simplify_stmt_for_jump_threading): New.
14708 (dom_thread_across_edge): New wrapper.
14709 (tree_ssa_dominator_optimize): No longer initialize or
14710 finalize any of the VRP datastructures. Remove iteration
14711 step and simplify as a result of removal of iteration step.
14712 (pass_dominator): Perform a cfg cleanup after DOM.
14713 (dom_opt_finalize_block): Use the new common routines
14714 for threading jumps. Simplify stack management slightly.
14715 No longer need to unwind VRP state.
14716 (record_equivalences_from_incoming_edge): No longer record
14718 (eliminate_redundant_computations): No longer call
14719 simplify_cond_and_lookup_avail_expr.
14720 * tree-flow.h (potentially_threadable_block): Prototype.
14721 (thread_across_edge): Likewise.
14722 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14723 (tree-ssa-threadedge.o): Add dependencies.
14724 * tree-ssa-threadedge.c: New file.
14725 * passes.c (init_optimization_passes): Merge PHIs before
14726 calling VRP. Run VRP again late in the SSA optimization pipeline.
14728 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14730 * df-core.c (df_set_blocks): Do not dereference function pointers.
14731 (df_finish1): Likewise.
14732 (df_hybrid_search_forward): Likewise.
14733 (df_hybrid_search_backward): Likewise.
14734 (df_iterative_dataflow): Likewise.
14735 (df_analyze_problem): Likewise.
14736 (df_compact_blocks): Likewise.
14737 (df_dump): Likewise.
14738 * df-scan.c (df_rescan_blocks): Likewise.
14739 (df_record_entry_block_defs): Likewise.
14741 * genconditions.c (write_conditions): Guard the definition of
14742 'insn_conditions' with the check on GCC version.
14743 (write_writer): Guard the traversal 'insn_conditions' with
14744 the check on GCC version.
14746 2006-02-07 Richard Guenther <rguenther@suse.de>
14750 2006-01-30 Richard Guenther <rguenther@suse.de>
14752 * gimplify.c (gimplify_target_expr): Handle easy cases
14753 without creating a temporary.
14755 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14757 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14758 use of float in probability computations. Use edge probabilities
14759 in place of statically computed probabilities.
14760 (min_spec_prob): New static variable.
14761 (schedule_insns): Initialize it.
14762 (GET_SRC_PROB): Removed.
14763 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14765 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14768 * config/ia64/unwind-ia64.c: Revert last change.
14769 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14770 (INCOMING_FRAME_SP_OFFSET): Define.
14772 2006-02-06 Roger Sayle <roger@eyesopen.com>
14774 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14776 2006-02-07 Ben Elliston <bje@au.ibm.com>
14778 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14779 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14780 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14781 (ix86_return_in_memory): Handle TDmode.
14782 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14783 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14785 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14787 * reorg.c (dbr_schedule): Use dump_file instead of file.
14789 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14792 * config/ia64/predicates.md (extr_len_operand): New predicate.
14793 * config/ia64/ia64.md (extv): Tighten constraints.
14795 (*tbit_and_2): Ditto.
14796 (*tbit_and_3): Ditto.
14797 (*tbit_or_2): Ditto.
14798 (*tbit_or_3): Ditto.
14799 (*bit_zero): Ditto.
14802 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14805 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14807 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14809 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14810 loop_optimizer_init and loop_optimizer_finalize
14811 * tree-ssa-sink.c (execute_sink_code): Ditto.
14812 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14813 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14814 tree_ssa_loop_done): Ditto.
14815 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14816 * sched-ebb.c: Include output.h.
14817 (schedule_ebbs): Do not use dump argument.
14818 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14819 * loop.c (loop_dump_stream): Removed.
14820 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14822 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14823 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14824 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14825 loop_iterations, strength_reduce, record_biv, record_giv,
14826 final_giv_value, check_final_value, check_ext_dependent_givs,
14827 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14828 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14829 dump_file instead of loop_dump_stream.
14830 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14831 argument dump_file.
14832 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14834 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14835 * haifa-sched.c: Include output.h
14836 (schedule_insns, sched_init): Do not use dump argument.
14837 * mode-switching.c (optimize_mode_switching): Ditto.
14838 * modulo-sched.c (stats_file): Removed.
14839 (print_node_sched_params): Do not call argument dump_file.
14840 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14841 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14843 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14845 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14846 rtl_loop_init, rtl_loop_done): Ditto.
14847 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14848 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14850 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14851 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14852 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14853 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14854 * emit-rtl.c (renumber_insns): Ditto.
14855 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14856 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14857 * regclass.c (regclass): Ditto.
14858 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14859 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14860 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14861 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14863 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14864 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14866 * gcse.c (gcse_file, debug_stderr): Removed.
14867 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14868 rest_of_handle_gcse): Do not use dump argument.
14869 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14870 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14871 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14872 compute_code_hoist_vbeinout, compute_code_hoist_data,
14873 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14874 compute_store_table, build_store_vectors, insert_insn_start_bb,
14875 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14876 store_motion): Use dump_file instead of gcse_file.
14877 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14878 * profile.c (profile_dump_file): Removed.
14879 (branch_prob): Use dump_file instead of profile_dump_file.
14880 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14882 * tree-ssa-copy.c (dump_copy_of): Ditto.
14883 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14884 dump file to life_analysis.
14885 * bt-load.c (branch_target_load_optimize): Ditto.
14886 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14888 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14889 regclass, dbr_schedule): Declaration changed.
14890 * sched-int.h (sched_init): Declaration changed.
14891 * tree-profile.c (tree_profile_dump_file): Removed.
14892 (tree_profile_hooks): Removed profile_dump_file hook.
14893 * rtl-profile (rtl_profile_dump_file): Removed.
14894 (rtl_profile_hooks): emoved profile_dump_file hook.
14895 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14897 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14898 * tree-cfg.c (build_tree_cfg): Ditto.
14899 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14900 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14901 Declaration changed.
14902 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14903 life_analysis and schedule_insns.
14904 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14906 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14908 * config/mips/mips.c (mips_reorg): Ditto.
14909 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14912 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14914 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14915 (s390_mangle_fundamental_type): New.
14916 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14919 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14920 (alpha_mangle_fundamental_type): New.
14921 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14924 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14926 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14928 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14929 (sparc_mangle_fundamental_type): New.
14931 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14933 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14934 (s390x-*-linux*): Likewise.
14935 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14936 * config/s390/t-linux: New file.
14938 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14940 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14941 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14943 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14945 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14946 (ANTIC_SAFE_LOADS): New macro.
14947 (find_or_generate_expression): Add prototype.
14948 (set_contains_value): Allow null set for sake of not always having
14949 to allocate ANTIC_SAFE_LOADS.
14950 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14951 Allow COMPONENT_REF too.
14952 (valid_in_set): Allow COMPONENT_REF.
14953 Check ANTIC_SAFE_LOADS too.
14954 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14955 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14957 (can_PRE_operation): Add COMPONENT_REF.
14958 (create_component_ref_by_pieces): New function.
14959 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14960 (insert_aux): Move AGGREGATE_TYPE_P check here.
14961 (compute_avail): Set bb local stmt uids.
14962 (pass_pre): Use TODO_update_ssa_only_virtuals.
14964 2006-02-06 Ben Elliston <bje@au.ibm.com>
14966 * configure.ac: Unconditionally disable decimal float by default.
14967 * configure: Regenerate.
14969 2006-02-06 Ben Elliston <bje@au.ibm.com>
14971 * read-rtl.c (read_name): Terminate reading on EOF.
14973 2006-02-06 Ben Elliston <bje@au.ibm.com>
14975 * dfp.c (decimal_real_arithmetic): Change second argument type
14976 from int to enum tree_code. Do not always return true, but now
14977 return result of any call to decimal_do helper functions.
14978 * dfp.h (decimal_real_arithmetic): Update prototype.
14980 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14982 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14984 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14987 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14990 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14992 * tree-vrp.c (cfg_loops): Removed.
14993 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14994 Use current_loops instead of cfg_loops. Pass flags to
14995 loop_optimizer_init.
14996 * cfgloopmanip.c (fix_loop_structure): Update only available
14998 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14999 loop_optimizer_init.
15000 * modulo-sched.c (build_loops_structure): Removed.
15001 (sms_schedule): Use loop_optimizer_init.
15002 * loop-init.c (loop_optimizer_init): Use flags to determine
15003 which properties of loops to prepare.
15004 (rtl_loop_init): Pass flags to loop_optimizer_init.
15005 * tree-ssa-sink.c (execute_sink_code): Ditto.
15006 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15007 * tree-ssa-pre.c (init_pre): Ditto.
15008 * cfgloop.h (LOOPS_NORMAL): New.
15009 (loop_optimizer_init): Declaration changed.
15011 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15013 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15014 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15016 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15018 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15020 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15021 * pa/t-pa64: Delete quadlib.c rule.
15022 * pa/x-ada: Revert last change.
15023 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15025 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15027 PR rtl-optimization/26087
15028 * rtlanal.c (canonicalize_condition): Do not cross basic block
15031 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15034 * config/ia64/ia64.c: Include debug.h.
15035 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15036 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15037 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15038 (process_epilogue, process_set, process_for_unwind_directive):
15039 Output unwind info only if requested. Add CFA info if requested.
15040 Add new arguments as needed. Adjust callers.
15041 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15043 (DWARF2_FRAME_INFO): Define to zero.
15044 * config/ia64/unwind-ia64.c: Remove code that compensated for
15045 the CFA offset error fixed above.
15046 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15047 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15048 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15049 -funwind-tables and -fexceptions to enable frame info.
15050 (dwarf2out_frame_init): Define initial CFA even if
15051 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15052 DWARF2_UNWIND_INFO is nonzero, not just defined.
15053 (dwarf2out_frame_finish): Output non-EH call frame info only
15054 if DWARF2_FRAME_INFO is nonzero.
15055 (convert_cfa_to_loc_list,
15056 compute_frame_pointer_to_cfa_displacement): Define even if
15057 unwind info is not supported.
15058 (gen_subprogram_die): Use the above unconditionally. Remove
15059 legacy alternate code.
15060 * toplev.c (compile_file): Compile in call to
15061 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15062 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15064 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15065 Jakub Jelinek <jakub@redhat.com>
15067 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15068 IBM extended float format long double as "g" on powerpc*-linux.
15070 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15073 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15074 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15076 2006-02-03 Jason Merrill <jason@redhat.com>
15079 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15081 PR middle-end/25977
15082 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15083 on the return slot if it's an NRV.
15085 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15087 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15088 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15089 rewrite_use): Do not handle USE_OUTER.
15090 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15091 add_iv_outer_candidates, may_replace_final_value,
15092 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15093 (find_interesting_uses_op): Functionality of
15094 find_interesting_uses_outer_or_nonlin moved here.
15095 (find_interesting_uses_outside): Use find_interesting_uses_op.
15097 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15100 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15102 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15103 Ulrich Weigand <uweigand@de.ibm.com>
15106 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15107 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15108 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15109 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15111 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15112 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15113 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15114 Define secondary reloads for TFmode moves.
15115 (constant_modes): Add TFmode.
15116 (NR_C_MODES): Set to 8.
15117 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15119 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15120 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15121 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15122 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15123 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15124 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15125 (FPR mode macro): Add TFmode.
15126 (DSF mode macro): New.
15127 (<de>, <dee> mode attributes): Removed.
15128 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15129 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15130 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15131 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15132 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15133 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15134 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15135 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15136 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15137 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15138 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15139 "*negabs<mode>2", "sqrt<mode>2"):
15140 Changed <de> to <xde>. R constraint replaced by <Rf>.
15141 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15143 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15144 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15145 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15147 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15148 "extenddftf2", "extendsftf2"): New expanders.
15149 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15150 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15151 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15152 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15154 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15155 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15156 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15157 __floatditf): Add a GCC_4.1.0 symbol version tag.
15158 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15161 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15164 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15165 Use targetm.binds_local_p instead of TREE_PUBLIC.
15167 2006-02-02 Roger Sayle <roger@eyesopen.com>
15169 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15170 on INTEGER_TYPEs to indicate that it denotes a character type.
15171 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15172 signed_char_type_node, unsigned_char_type_node and char_type_node.
15173 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15174 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15175 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15177 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15178 Daniel Berlin <dberlin@dberlin.org>
15180 * tree-tailcall.c (arg_needs_copy_p): New function.
15181 (eliminate_tail_call): Use arg_needs_copy_p.
15182 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15183 (add_virtual_phis): New function.
15185 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15187 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15188 #ignore instead of #scratch for %g7 .register directive.
15190 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15192 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15195 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15197 * flow.c (calculate_global_regs_live): Assert that there aren't any
15200 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15202 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15203 what its name says.
15204 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15205 bsi_after_labels iterator.
15206 * tree-if-conv.c (find_phi_replacement_condition,
15207 replace_phi_with_cond_modify_expr): Likewise.
15208 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15209 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15211 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15213 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15215 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15218 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15219 array after growing it.
15221 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15223 PR middle-end/24901
15224 * fold-const.c (fold_checksum_tree): Change type of buf.
15226 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15228 * reload.c (push_secondary_reload): Initialize t_icode.
15230 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15232 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15233 -msoft-float -mlong-double-128 only issue a warning, but don't
15234 swich to DFmode long double.
15236 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15238 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15239 has a constant equivalent, iterate over equivalents for arg0,
15240 calling simplify_relational_operation and if there's a result
15241 cheaper than X, apply fold_rtx and return the result.
15243 2006-02-01 Jan Hubicka <jh@suse.cz>
15245 * opts.c (no_unit_at_a_time_default): New global variable.
15246 (decode_options): Use it.
15247 * opts.h (no_unit_at_a_time_default): Declare.
15249 2006-02-01 Paul Brook <paul@codesourcery.com>
15251 * function.c (assign_parm_setup_reg): Use function argument promotion
15253 * expr.c (expand_expr_real_1): Use function argument promotion rules
15256 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15258 * gcc.c (process_command): Change j to 'unsigned int'.
15260 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15262 PR middle-end/26001
15263 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15264 Use the corrected index for the character
15265 out of the string constant.
15267 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15269 * mode-switching.c (optimize_mode_switching): Fix size
15270 allocated for bb_info[n_entities].
15272 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15274 * gcc.c (main): Correct type that is allocated for
15275 explicit_link_files.
15277 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15279 * config/s390/s390.c (init_alignment_context): Set
15280 ALIAS_SET_MEMORY_BARRIER on the MEM.
15281 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15283 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15285 PR middle-end/25933
15286 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15288 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15291 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15293 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15294 * regrename.c: Ditto.
15295 * tree-ssa-loop-im.c: Ditto.
15296 * tree-dump.c: Ditto.
15297 * tree-complex.c: Ditto.
15298 * genrecog.c: Ditto.
15299 * tree-ssa-threadupdate.c: Ditto.
15301 * java/class.c: Ditto.
15302 * java/jcf-parse.c: Ditto.
15303 * java/resource.c: Ditto.
15304 * java/except.c: Ditto.
15305 * java/jvspec.c: Ditto.
15306 * java/jcf-write.c: Ditto.
15307 * java/jcf-path.c: Ditto.
15308 * java/gjavah.c: Ditto.
15309 * java/zextract.c: Ditto.
15310 * java/jcf-io.c: Ditto.
15311 * java/jcf.h: Ditto.
15312 * java/buffer.c: Ditto.
15313 * java/lang.c: Ditto.
15314 * java/parse-scan.y: Ditto.
15315 * java/lex.c: Ditto.
15316 * java/lex.h: Ditto.
15317 * cfgloopmanip.c: Ditto.
15318 * postreload-gcse.c: Ditto.
15319 * tree-ssa-loop-manip.c: Ditto.
15320 * postreload.c: Ditto.
15321 * tree-ssa-loop-ch.c: Ditto.
15324 * cppspec.c: Ditto.
15325 * diagnostic.c: Ditto.
15327 * genoutput.c: Ditto.
15329 * cfghooks.c: Ditto.
15330 * cfgloopanal.c: Ditto.
15331 * objc/objc-act.c: Ditto.
15333 * genextract.c: Ditto.
15334 * genautomata.c: Ditto.
15335 * pretty-print.c: Ditto.
15336 * genemit.c: Ditto.
15337 * cgraphunit.c: Ditto.
15339 * df-scan.c: Ditto.
15340 * haifa-sched.c: Ditto.
15341 * dominance.c: Ditto.
15343 * tree-ssa-loop-ivopts.c: Ditto.
15344 * df-core.c: Ditto.
15345 * mode-switching.c: Ditto.
15346 * modulo-sched.c: Ditto.
15348 * ipa-pure-const.c: Ditto.
15350 * fix-header.c: Ditto.
15352 * tree-stdarg.c: Ditto.
15353 * ipa-utils.c: Ditto.
15354 * loop-init.c: Ditto.
15355 * ipa-inline.c: Ditto.
15356 * cfganal.c: Ditto.
15358 * alloc-pool.c: Ditto.
15359 * dwarf2out.c: Ditto.
15361 * genattrtab.c: Ditto.
15362 * tree-ssa-loop-ivcanon.c: Ditto.
15363 * predict.c: Ditto.
15364 * timevar.c: Ditto.
15366 * fortran/gfortranspec.c: Ditto.
15367 * regmove.c: Ditto.
15368 * local-alloc.c: Ditto.
15369 * langhooks.c: Ditto.
15370 * function.c: Ditto.
15371 * tree-vectorizer.c: Ditto.
15373 * ipa-type-escape.c: Ditto.
15375 * tree-if-conv.c: Ditto.
15376 * profile.c: Ditto.
15378 * tree-data-ref.c: Ditto.
15379 * loop-unroll.c: Ditto.
15380 * treelang/treetree.c: Ditto.
15382 * bt-load.c: Ditto.
15383 * ggc-common.c: Ditto.
15385 * coverage.c: Ditto.
15387 * tree-cfgcleanup.c: Ditto.
15388 * tree-ssa-pre.c: Ditto.
15389 * cfgcleanup.c: Ditto.
15390 * loop-invariant.c: Ditto.
15391 * loop-iv.c: Ditto.
15392 * ipa-prop.c: Ditto.
15393 * print-tree.c: Ditto.
15394 * conflict.c: Ditto.
15395 * ggc-page.c: Ditto.
15396 * sched-deps.c: Ditto.
15397 * regclass.c: Ditto.
15398 * tree-object-size.c: Ditto.
15399 * combine.c: Ditto.
15400 * bb-reorder.c: Ditto.
15401 * resource.c: Ditto.
15402 * var-tracking.c: Ditto.
15403 * cfgloop.c: Ditto.
15404 * df-problems.c: Ditto.
15405 * reg-stack.c: Ditto.
15407 * gccspec.c: Ditto.
15408 * sched-rgn.c: Ditto.
15409 * tree-ssa-structalias.c: Ditto.
15410 * tree-ssa-reassoc.c: Ditto.
15411 * config/darwin-c.c: Ditto.
15412 * config/darwin.c: Ditto.
15413 * config/arm/arm.c: Ditto.
15415 * collect2.c: Ditto.
15416 * reload1.c: Ditto.
15418 2006-01-31 Nicolas Pitre <nico@cam.org>
15420 * arm.md (smaxsi3): Make aware of smax_m1.
15423 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15425 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15427 2006-01-31 Richard Guenther <rguenther@suse.de>
15429 * doc/invoke.texi (-msselibm): Document.
15430 * target.h (expand_library_builtin): New target hook.
15431 * builtins.c (expand_builtin): Use expand_library_builtin.
15432 (default_expand_library_builtin): New function.
15433 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15434 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15435 (link_gcc_math_spec): Declare.
15436 (static_specs): Add link_gcc_math_spec.
15437 * expr.h (default_expand_library_builtin): Declare.
15438 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15439 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15440 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15441 * config/i386/i386.opt (msselibm): New target option.
15442 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15443 (ix86_init_sse_abi_builtins): New function.
15444 (ix86_expand_library_builtin): Likewise.
15445 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15446 (override_options): Handle error conditions wrt -msselibm.
15447 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15448 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15449 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15452 2006-01-31 Richard Guenther <rguenther@suse.de>
15453 Paolo Bonzini <bonzini@gnu.org>
15455 * doc/install.texi (--disable-libgcc-math): Document.
15457 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15459 * expr.h (expand_normal): new inline function.
15460 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15461 * dojump.c: use it.
15462 * dwarf2out.c: use it.
15465 * expmed.c: use it.
15466 * except.c: use it.
15467 * config/sparc/sparc.c: use it.
15468 * config/i386/i386.c: use it.
15469 * config/rs6000/rs6000.c: use it.
15470 * config/arm/arm.c: use it.
15471 * config/mips/mips.c: use it.
15472 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15474 2006-01-30 Roger Sayle <roger@eyesopen.com>
15476 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15477 argv to the appropriate type.
15479 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15481 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15484 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15487 * config/s390/s390.c (struct machine_function): New flag
15488 decomposed_literal_pool_addresses_ok_p.
15489 (s390_reorg): Set it before final stage of literal pool transforms.
15490 (s390_decompose_address): Only accept displacements of the form
15491 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15493 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15495 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15496 the comparison routine return.
15498 2006-01-30 Michael Matz <matz@suse.de>
15500 * global.c (find_reg): Only evict for global regs.
15501 Take n_refs into account and dump more info.
15503 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15506 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15507 (pragma_trap, pragma_nosave_low_regs): Likewise.
15508 (current_function_anonymous_args): Likewise.
15509 (sh_deferred_function_attributes): New variable.
15510 (sh_deferred_function_attributes_tail): Likewise.
15511 (print_operand): For '@', look up trap_exit attribute.
15512 (calc_live_regs): Look up trapa_handler attribute. For trapa
15513 handlers, save/restore fpscr, but don't do any other
15514 interrupt-specific saves.
15515 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15516 Fix check for partially saved registers to check for SHmedia.
15517 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15518 (sh_output_function_epilogue): Don't clear any of the removed
15520 (sh_insert_attributes): Don't check pragma_interrupt.
15521 Insert deferred attributes. Check that interrupt attribute is
15522 present for other attributes that require its presence.
15523 (sh_attribute_table): Add new attributes trapa_handler and
15525 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15526 Don't check for pragma_interrupt. Don't store argument.
15527 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15528 (sh_deferred_function_attributes): Declare.
15529 (sh_deferred_function_attributes_tail): Likewise.
15530 * sh.md (sp_switch_1): Add operand. Change generator caller.
15531 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15532 (*return_i): Don't use when trap_exit attribute is in effect.
15533 (*return_trapa): New insn pattern.
15534 * sh-c.c: New file.
15535 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15536 setting c_target_objs and cxx_target_objs.
15537 * t-sh: Add rule for sh-c.o.
15539 2006-01-30 Richard Guenther <rguenther@suse.de>
15542 * gimplify.c (gimplify_target_expr): Handle easy cases
15543 without creating a temporary.
15545 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15547 * vec.h (safe_grow): Remove duplicated line.
15549 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15552 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15553 (expand_omp): ... here.
15554 (expand_omp_parallel): Only remove barriers for combined
15555 parallel+workshare constructs.
15557 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15561 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15562 * tree.c (build_qualified_type): Chain the new type to the original
15563 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15564 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15565 (build_pointer_type_for_mode): Only return unqualified types.
15566 (build_reference_type_for_mode): Likewise.
15568 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15570 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15571 * Makefile.in (CXX_COMPAT_WARN): Define.
15572 * configure: Regenerate.
15574 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15577 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15580 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15582 * toplev.c: Fix thinko.
15584 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15585 Marcin Dalecki <martin@dalecki.de>
15587 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15588 (push_srcloc): Use XNEW.
15589 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15591 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15593 * df-core.c (df_set_blocks): Deleted all variable.
15595 2006-01-28 Ian Lance Taylor <ian@airs.com>
15597 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15598 cgraph_output_pending_asms.
15600 2006-01-28 Zack Weinberg <zackw@panix.com>
15602 * c.opt: Add -W(no-)overlength-strings.
15603 * doc/invoke.texi: Document it.
15604 * c-opts.c (c_common_handle_option): -pedantic implies
15605 -Woverlength-strings, if not explicitly disabled already.
15606 (c_common_post_options): -Woverlength-strings defaults to off, and
15607 is always off for C++.
15608 * c-common.c (fix_string_type): Issue warning about strings longer
15609 than is portable only if warn_overlength_strings. Rearrange code
15610 a little for clarity.
15611 * configure.in: Check for -Wno-overlength-strings as well before
15612 enabling -pedantic in stage 1.
15613 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15614 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15616 * genconditions.c (write_header, write_one_condition)
15617 (write_conditions, write_writer): Consolidate very long strings
15618 that were broken up to fit in C89 portable limit. Don't use
15619 printf when fputs will do.
15621 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15623 * combine.c (simplify_comparison <AND>): Check
15624 TRULY_NOOP_TRUNCATION before start using a subreg.
15626 * config/mips/mips.md (*branch_zero<mode>,
15627 *branch_zero<mode>_inverted, *branch_equality<mode>,
15628 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15629 Remove mode check from comparisons.
15631 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15633 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15635 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15637 * expmed.c (const_mult_add_overflow_p): Remove.
15638 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15640 * recog.c (validate_replace_rtx_subexp): Remove.
15641 * recog.h: Remove the prototype for
15642 validate_replace_rtx_subexp.
15644 * integrate.h: Remove the prototype for
15645 copy_decl_for_inlining.
15646 * rtl.h: Remove the prototype for mark_constant_function.
15647 * tree-vectorizer.h: Remove the prototype for
15648 vect_strip_conversion.
15650 * modulo-sched.c (create_partial_schedule,
15651 free_partial_schedule, reset_partial_schedule): Make them
15654 * hooks.c (hook_bool_rtx_int_false): Remove.
15655 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15657 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15659 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15660 and -mlong-double-128 are incompatible.
15661 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15662 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15663 (TARGET_LIBGCC2_CFLAGS): Define.
15664 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15665 (TARGET_LIBGCC2_CFLAGS): Same.
15666 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15668 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15671 * c-typeck.c (build_binary_op): Perform implicit casts of
15672 operands before shortening them.
15674 * cfgloopmanip.c (split_loop_bb): Remove.
15675 * cfgloop.h: Remove the prototype for split_loop_bb.
15677 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15678 * cfgloop.h: Remove the prototype for
15679 flow_loop_outside_edge_p.
15681 * emit-rtl.c (init_virtual_regs): Make it static.
15682 * function.h: Remove the prototype for init_virtual_regs.
15684 * recog.c (peephole2_optimize): Make it static.
15685 * recog.h: Remove the prototype for peephole2_optimize.
15687 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15689 * df-scan.c (df_record_entry_block_defs): Check if
15690 INCOMING_RETURN_ADDR_RTX is defined.
15692 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15693 Kenneth Zadeck <zadeck@naturalbridge.com>
15695 PR rtl-optimization/24762
15696 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15697 * targhooks.c (hook_void_bitmap): New hook prototype.
15698 * targhoohs.h (hook_void_bitmap): Ditto.
15699 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15700 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15701 * target.h (live_on_entry): New function pointer.
15702 * df-scan.c (df_all_hard_regs): Removed.
15703 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15704 (df_scan_free_internal): Added df->entry_block_defs.
15705 (df_scan_alloc): Ditto.
15706 (df_scan_dump): Ditto.
15707 (df_uses_record): Plumbed flag field properly thru calls.
15708 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15709 This part fixes PR24762.
15710 (df_bb_refs_record): Added code to make the frame and arg
15711 pointers live in EH blocks.
15712 (df_refs_record): Added call to df_record_entry_block_defs.
15713 (df_record_entry_block_defs): New function.
15714 * df-core.c: Added comments to describe new artifical defs.
15715 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15716 (entry_block_defs): New field in struct df.
15717 (df_all_hard_regs): Deleted.
15718 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15719 * df-problems.c (df_ru_bb_local_compute_process_def):
15720 Added code to handle artifical defs in the entry to a function.
15721 (df_ru_bb_local_compute): Ditto.
15722 (df_rd_bb_local_compute_process_def): Ditto.
15723 (df_rd_bb_local_compute): Ditto.
15724 (df_lr_bb_local_compute): Ditto.
15725 (df_ur_bb_local_compute): Ditto.
15726 (df_urec_bb_local_compute): Ditto.
15727 (df_chain_create_bb): Ditto.
15728 (df_ur_local_finalize): Removed entry.
15729 (df_urec_init): Ditto.
15730 (df_urec_local_finalize): Ditto.
15731 (df_ri_bb_compute): Added detection of last use of pseudos.
15732 * Makefile.in (df-scan.o): Updated dependencies.
15733 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15734 * config/mips/mips.c (mips_set_live_on_entry): Added.
15735 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15737 * dce.c (marked_insn_p): Added code to handle artifical defs.
15739 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15741 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15743 (_mm_cvtsi128_si64): Likewise.
15744 (_mm_cvtsd_si64): Likewise.
15745 (_mm_cvttsd_si64): Likewise.
15746 (_mm_cvtsi64_sd): Likewise.
15747 (_mm_cvtsi64_si128): Likewise.
15748 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15749 (_mm_cvtsi64_m64): Likewise.
15750 (_m_to_int64): Likewise.
15751 (_mm_cvtm64_si64): Likewise.
15752 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15753 (_mm_cvttss_si64): Likewise.
15754 (_mm_cvtsi64_ss): Likewise.
15755 (_mm_cvtss_f32): Likewise.
15757 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15759 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15760 for pragma redefine_extname.
15762 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15765 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15766 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15767 -mno-minimal-toc to previous content.
15768 (bispecs): Remove goal.
15769 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15770 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15771 compatibility aliases on powerpc-*-*gnu*.
15772 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15773 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15774 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15775 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15776 (ldblspecs): New goal.
15777 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15778 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15780 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15781 L_sf_to_tf or L_df_to_tf is defined.
15783 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15784 Alan Modra <amodra@bigpond.net.au>
15787 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15788 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15789 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15790 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15791 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15792 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15793 (rs6000_override_options): Initialize rs6000_ieeequad.
15794 Initialize TFmode format to ibm_extended_format if not
15796 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15798 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15799 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15800 (function_arg_advance): IBM long double passed in two FPRs, not
15802 (function_arg): IBM long double passed in FPRs.
15803 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15804 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15805 Only multireg GPR aligned.
15806 (rs6000_init_libfuncs): Enable IBM long double functions if not
15808 (rs6000_generate_compare): Use IBM long double compare if not
15810 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15811 (TARGET_IEEEQUAD): Define.
15812 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15813 not TARGET_IEEEQUAD.
15814 * config/rs6000/rs6000.md: Enable TFmode patterns if
15816 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15817 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15818 and -mlong-double-128 are incompatible.
15819 * doc/invoke.texi (-mabi): Collect options together. Add
15820 ibmlongdouble and ieeelongdouble.
15822 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15824 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15826 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15827 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15828 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15829 * rtl.h (rtunion_def): Remove rt_ptr.
15831 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15832 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15833 * config/i386/winnt.c (i386_pe_mark_dllexport)
15834 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15836 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15838 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15840 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15844 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15845 pthread_key_delete. From John David Anglin. gthrw-ify
15846 pthread_getunique_np only if it it's not a macro. Delete
15848 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15849 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15850 __gthread_objc_condition_signal, __gthread_key_delete): Add
15851 "__attribute__ ((__unused__))" to unused arguments.
15852 (__gthread_recursive_mutex_init_function): Add missing return.
15853 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15854 gthr-posix95.h: Use macro-based approach for name redirection
15855 on targets missing weakref.
15857 2006-01-26 Zack Weinberg <zackw@panix.com>
15859 * genconditions.c (write_header): In generated code, #ifdef out
15860 all includes and fake declarations, except includes of bconfig.h
15861 and system.h, unless GCC_VERSION >= 3001. Do not include
15862 gensupport.h in any case.
15863 (write_conditions): Generate a definition of struct c_test. Add
15864 a comment to the generated #endif.
15865 (write_one_condition): Escape backslashes in string too.
15866 (write_writer): Generated code must escape backslashes and quote
15867 marks (but not newlines) in the strings it writes.
15868 * Makefile.in (build/gencondmd.o): Update dependencies.
15870 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15873 * Makefile.in (insn-automata.o): Add header file dependencies.
15874 * genautomata.c: Add includes.
15876 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15879 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15881 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15883 * configure.ac: Expect target tools paths to be passed from the toplevel
15884 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15886 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15888 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15891 * c.opt (Wpointer-sign): Init to -1.
15892 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15893 OPT_pedantic, to 0 otherwise.
15894 * doc/invoke.texi: Update.
15896 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15898 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15899 constants provided by 80387 instructions in the destination mode.
15901 2006-01-26 Richard Guenther <rguenther@suse.de>
15902 Andrew Pinski <pinskia@physics.uc.edu>
15905 partial PR tree-opt/17064
15906 * tree-ssa-structalias.c (intra_create_variable_infos):
15907 Create heap variables for incoming parameters if
15908 flag_argument_noalias > 1.
15909 (find_what_p_points_to): Look through default defs of
15912 2006-01-26 Jeff Law <law@redhat.com>
15915 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15916 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15917 within the VR_RANGE, use the VR_RANGE as the result, not the
15919 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15920 bounds for the type.
15922 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15924 * tree-ssa-alias.c (maybe_create_global_var): Change
15925 subvar walking to an assertion that we don't have subvar'd variables.
15927 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15930 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15931 Use a new variable, inner. PARM_DECLs are always non-weak.
15933 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15935 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15936 --disable-checking.
15938 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15940 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15942 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15944 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15945 (smax_insn, smin_insn, smax_0, smin_0): New.
15947 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15950 * config/cris/cris.c (cris_order_for_addsi3): New function.
15951 * config/cris/cris-protos.h: Prototype it.
15952 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15953 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15954 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15955 (split for "op.S1 [rx=rx+i],ry (swapped)")
15956 (split for "op(s|u).S1 [rx=rx+i],ry")
15957 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15958 Apply cris_order_for_addsi3 when generating addsi3 insns.
15960 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15962 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15963 (TREE_BLOCK): Add call to EXPR_CHECK.
15965 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15968 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15969 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15970 (dump_omp_clauses): ... here.
15971 (dump_generic_node): Handle OMP_CLAUSE.
15972 * tree.c (omp_clause_num_ops): New.
15973 (omp_clause_code_name): New.
15974 (tree_code_size): Handle OMP_CLAUSE.
15975 (tree_size): Likewise.
15976 (make_node): Document handling of OMP_CLAUSE.
15977 (tree_node_structure): Handle OMP_CLAUSE.
15978 (omp_clause_check_failed): New.
15979 (omp_clause_range_check_failed): New.
15980 (omp_clause_operand_check_failed): New.
15981 (build_omp_clause): New.
15982 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15983 * tree.h (enum omp_clause_code): Declare.
15984 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15985 (OMP_CLAUSE_RANGE_CHECK): Define.
15986 (OMP_CLAUSE_ELT_CHECK): Define.
15987 (omp_clause_check_failed): Declare.
15988 (omp_clause_operand_check_failed): Declare.
15989 (omp_clause_range_check_failed): Declare.
15990 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15991 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15992 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15993 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15994 (OMP_CLAUSE_IF_EXPR): Likewise.
15995 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15996 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15997 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15998 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15999 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16000 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16001 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16002 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16003 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16004 (OMP_CLAUSE_CODE): Define.
16005 (OMP_CLAUSE_SET_CODE): Define.
16006 (OMP_CLAUSE_CODE): Define.
16007 (OMP_CLAUSE_OPERAND): Define.
16008 (struct tree_omp_clause): Declare.
16009 (union tree_node): Add field 'omp_clause'.
16010 * treestruct.def (TS_OMP_CLAUSE): Define.
16011 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16012 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16013 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16014 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16015 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16016 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16017 (OMP_CLAUSE): Define.
16018 * print-tree.c (print_node): Handle OMP_CLAUSE.
16019 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16020 * c-typeck.c: Likewise.
16021 * gimplify.c: Likewise.
16022 * c-omp.c: Likewise.
16023 * tree-nested.c: Likewise.
16024 * tree-inline.c: Likewise.
16025 * c-parser.c: Likewise.
16026 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16029 2006-01-25 Roger Sayle <roger@eyesopen.com>
16031 PR rtl-optimization/25703
16032 * combine.c (try_combine): Handle zero_extract and strict_low_part
16033 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16035 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16037 * global.c: Fix comment typos.
16039 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16042 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16043 Use output_addr_const instead of assemble_name.
16045 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16047 * Makefile.in (sched-vis.o): Update dependencies.
16048 * haifa-sched.c (sched_finish): Clear current_sched_info.
16049 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16050 (dump_flow_info): Call it.
16051 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16053 * basic-block.h (dump_bb_info): Declare.
16054 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16055 option, and apply options only for dump files whose TDF_RTL,
16056 TDF_TREE, or TDF_IPA bits match.
16057 * rtl.h: Declare new functions exported from sched-vis.c.
16058 * sched-vis.c: Enable also if scheduling is not used.
16059 (print_value): Print the mode of registers if not inside scheduling.
16060 (print_insn): Make it work outside the scheduler. Beautify the output
16062 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16064 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16066 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16067 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16068 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16069 depending on the value of CONSTANT_POOL_ADDRESS_P.
16070 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16072 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16073 rather than SYMBOL_REF_DECL.
16074 (rtx_constant_pool): Remove const_rtx_sym_htab.
16075 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16076 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16077 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16078 Remove handling of const_rtx_sym_htab.
16079 (find_pool_constant): Delete.
16080 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16081 rather than find_pool_constant.
16082 (get_pool_constant_for_function): Delete.
16083 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16084 find_pool_constant.
16085 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16086 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16087 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16088 (SYMBOL_REF_CONSTANT): New macro.
16089 (get_pool_constant_for_function): Delete.
16090 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16091 rather than SYMBOL_REF_DECL.
16092 (i386_pe_mark_dllimport): Likewise.
16093 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16094 rather than SYMBOL_REF_DECL.
16095 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16096 (machopic_indirect_call_target): Likewise.
16098 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16100 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16102 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16104 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16106 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16108 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16110 2006-01-24 David Daney <ddaney@avtrex.com>
16113 * configure.ac (enable_tls): New enable option.
16114 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16115 * configure: Regenerate.
16116 * doc/install.texi (--enable-tls): Document new option.
16117 (--disable-tls): Ditto.
16119 2006-01-24 Richard Henderson <rth@redehat.com>
16121 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16122 * alias.c (true_dependence): Respect it.
16123 (canon_true_dependence, write_dependence_p): Likewise.
16124 * builtins.c (get_builtin_sync_mem): Set it.
16126 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16128 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16131 2006-01-24 DJ Delorie <dj@redhat.com>
16133 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16134 for storing constants in single-bit bitfields.
16136 2006-01-25 Ben Elliston <bje@au.ibm.com>
16138 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16140 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16143 * tree-ssa-pre.c (phi_translate): Return NULL
16144 for AGGREGATE_TYPE's.
16146 2006-01-24 Zack Weinberg <zackw@panix.com>
16148 * genautomata.c (process_state_for_insn_equiv_partition):
16149 Use xcalloc for insn_arcs_array.
16150 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16151 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16153 2006-01-24 Richard Henderson <rth@redhat.com>
16155 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16156 update all callers.
16158 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16160 PR rtl-optimization/25890
16161 PR rtl-optimization/25905
16162 * combine.c (expand_compound_operation, expand_field_assignment):
16163 Fail if the bitfield's final position is out of bounds.
16165 2006-01-24 Ian Lance Taylor <ian@airs.com>
16167 PR middle-end/25930
16168 * cgraphunit.c (cgraph_output_in_order): Don't clear
16169 cgraph_asm_nodes until after asm strings have been output.
16171 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16173 * fix-header.c (read_scan_file): Add new parameter imultilib when
16174 calling register_include_chains.
16176 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16178 * omp-low.c: Update documentation.
16180 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16181 Daniel Berlin <dberlin@dberlin.org>
16185 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16186 return from the function.
16188 2006-01-22 Zack Weinberg <zackw@panix.com>
16190 * rtl.def (match_code): Add second argument.
16191 * genpreds.c (write_extract_subexp): New function.
16192 (write_match_code): Add path argument. Use write_extract_subexp.
16193 (write_predicate_expr): Pass path to write_match_code.
16194 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16195 not perform a mode test.
16196 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16197 a subexpression does not constrain the top-level code set.
16198 * read-rtl.c (read_rtx_variadic): New function.
16199 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16200 * doc/md.texi: Document new notation.
16201 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16202 (cmpsi_operand): ... here, using new notation.
16204 2006-01-22 Zack Weinberg <zackw@panix.com>
16206 * varray.c: Remove GENERATOR_FILE #ifdefs.
16208 2006-01-22 Zack Weinberg <zackw@panix.com>
16210 * genautomata.c (output_reserved_units_table): Emit nothing if
16211 description->query_units_num is zero. Remove extra blank line.
16212 (output_cpu_unit_reservation_p): Short circuit
16213 if description->query_units_num is zero.
16215 2006-01-22 Zack Weinberg <zackw@panix.com>
16217 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16218 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16219 nor any of the random handful of variables that used to be necessary
16220 when this program was linked with rtlanal.o. Prune set of forward
16221 function declarations.
16222 (struct attr_desc): Remove static_p field.
16223 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16224 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16225 (attr_string): Do not read the character one past the length of
16227 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16228 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16229 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16230 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16231 (make_automaton_attrs): New.
16232 (main): Do not call into genautomata. Call local gen_bypass
16233 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16234 Remove special case for insn_alts.
16235 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16236 varray.h (leftover from previous change). Prune set of forward
16237 function declarations. Remove state_alts fields from all
16238 structures. Remove state_alts_table from struct automaton.
16239 Make everything except main static. Do not maintain num_dfa_decls.
16240 Do not maintain state_alts fields of various structures.
16241 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16242 (add_arc): Remove state_alts argument. All callers updated.
16243 (output_reserved_units_table): Emit #ifdef here...
16244 (output_tables): ...not here. Don't generate state_alts tables.
16245 (expand_automata): Don't generate attributes.
16246 (write_automata): Don't generate state_alts functions.
16247 (main): New function.
16248 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16249 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16250 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16251 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16252 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16253 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16254 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16255 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16257 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16258 * genattrtab.h: Delete file.
16259 * Makefile.in (OBJS-common): Add insn-automata.o.
16260 (insn-automata.o): New rule.
16261 (simple_generated_c): Add insn-automata.c.
16262 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16263 (genprogmd): Add automata.
16264 (build/genattrtab): Needs no extra objects nor libraries.
16265 (build/genautomata): Needs build/vec.o and -lm.
16267 2006-01-22 Zack Weinberg <zackw@panix.com>
16269 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16270 (output_dfa_max_issue_rate, locked_states_num): Delete.
16271 (struct automaton): Add locked_states field.
16272 (output_dead_lock_vect): Save number of locked states in
16273 automaton->locked_states. If it is zero, don't print anything.
16274 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16275 (output_internal_dead_lock_func): Only test the dead_lock_vect
16276 for automata that have locked states.
16277 (output_statistics): Always print the number of locked states for
16278 each automaton. Calculate total number of locked states here.
16279 (write_automata): Don't call output_dfa_max_issue_rate.
16280 * genattrtab.c: Define length_unit_log as a const variable.
16281 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16282 max_insn_queue_index const.
16283 * final.c (length_unit_log): Declare const.
16284 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16286 2006-01-22 Zack Weinberg <zackw@panix.com>
16288 * genautomata.c: Include vec.h, not varray.h.
16289 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16290 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16291 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16292 VEC_* macros operating on appropriately typed vectors, or to
16293 malloced arrays when the size is known in advance. Const-ify
16294 many char* variables and function arguments. No functional changes.
16295 * Makefile.in (build/varray.o): Delete rule.
16296 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16297 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16299 2006-01-22 Zack Weinberg <zackw@panix.com>
16301 * gensupport.c: Define get_insn_name and record_insn_name here.
16302 (read_md_rtx): Call record_insn_name as appropriate.
16303 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16304 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16305 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16307 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16308 (BUILD_VARRAY): Delete.
16309 (genprognormal): Rename genprogmd. Fold in all programs from
16310 genprognoprint; also attrtab.
16311 (build/genattrtab): Just mention genautomata.o and varray.o.
16312 Reorganize a bit, add comments to make the categories clearer.
16314 2006-01-22 Zack Weinberg <zackw@panix.com>
16316 * genconditions.c (condition_table, add_condition): Delete.
16317 (write_conditions): Don't emit n_insn_conditions nor
16318 insn_elision_unavailable. Issue the gcc version #ifdef here,
16319 inside the table, with no #else clause ...
16320 (write_header): ...not here.
16321 (write_writer): New function.
16322 (main): Don't initialize condition_table. Use add_c_test.
16324 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16325 files on the command line.
16326 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16327 Return -1 if there is no entry in the table, don't abort.
16328 (add_c_test, traverse_c_tests): New functions.
16329 * gensupport.h (insn_elision_unavailable, insn_conditions)
16330 (n_insn_conditions): Delete declarations.
16331 (add_c_test, traverse_c_tests): Declare.
16332 * read-rtl.c: Include gensupport.h.
16333 (read_conditions): New function.
16334 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16335 (read_rtx_1): If we get EOF when we were looking for an initial
16336 open paren, return 0. Call read_conditions when appropriate.
16337 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16338 dummy-conditions.o. Eliminate references to insn-conditions.o,
16339 or change them to build/gencondmd.o, as appropriate. Remove
16340 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16341 from $(simple_generated_c). For all files remaining in those
16342 two lists, add insn-conditions.md to the generator command line.
16343 Give insn-constants.h/s-constants their own rules. Add rules
16344 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16345 (build/read-rtl.o): Depend on gensupport.h.
16346 (genprognormal): Include preds.
16347 (genprogearly): Rename genprognoprint; only difference is now that
16348 they don't link with $(BUILD_PRINT).
16349 * dummy-conditions.c: Delete.
16351 2006-01-22 Zack Weinberg <zackw@panix.com>
16353 * genextract.c: Don't include insn-config.h. Do include vec.h.
16354 Declare vectors of int, char, and locstr.
16355 (locstr): New typedef.
16356 (struct extraction): Make all array fields into bare pointers.
16357 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16358 (insn_code_number): Delete.
16359 (accum_extract): New struct.
16360 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16361 (gen_insn): Take insn_code_number as an argument. Use an
16362 accum_extract structure instead of loading data directly into
16363 a struct extraction, and having to know how big it might get.
16364 (walk_rtx): Operate entirely on an accum_extract structure.
16365 (print_path): Avoid unnecessary use of printf.
16366 (print_header): New function, split out of main. Distinguish
16367 more carefully between an unrecognizable insn and an insn that
16368 has the code number of a define_expand.
16369 (main): Pass insn_code_number to gen_insn. Call print_header
16370 only after parsing. Avoid unnecessary use of printf.
16371 * Makefile.in (build/vec.o): New rule.
16372 (build/genextract): Depend on build/vec.o.
16373 (build/genextract.o): Don't depend on insn-config.h.
16375 2006-01-22 Zack Weinberg <zackw@panix.com>
16377 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16378 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16379 practical. Eliminate per-generator-program link rules.
16381 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16383 PR middle-end/24437
16384 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16385 with a call expr to ...
16386 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16388 2006-01-23 Richard Guenther <rguenther@suse.de>
16390 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16391 before make_edge with conditional EDGE_TRUE_VALUE.
16393 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16394 Jan Hubicka <jh@suse.cz>
16395 Richard Guenther <rguenther@suse.de>
16397 PR rtl-optimization/25654
16398 * cfgexpand.c (aggregate_contains_union_type): New function.
16399 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16400 for structure variables that contain a union type.
16402 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16404 * gengtype.c (new_structure): Return the structure.
16405 (create_option): Add an extra "next" argument.
16406 (create_field): New function.
16407 (adjust_field_rtx_def): Use create_option and create_field.
16408 Remove a now-unnecessary call to find_structure.
16409 (adjust_field_tree_def): Likewise.
16410 (note_yacc_type): Remove an unnecessary call to find_structure.
16411 * gengtype.h (new_structure): Return the structure.
16412 (create_option): Add an extra argument.
16413 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16414 (option): Adjust calls to create_option.
16416 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16418 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16420 2006-01-22 Paul Brook <paul@codesourcery.com>
16421 Peter Barada <peter@the-baradas.com>
16423 * config/m68k/m68k.md: Add Coldfire FPU support.
16424 Define FP mode macro and associated attributes.
16425 Use it for float mode patterns.
16426 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16427 (LIBCALL_VALUE): Use m68k_libcall_value.
16428 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16429 (m68k_function_value): Ditto.
16430 (emit_move_sequence): Ditto.
16431 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16432 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16433 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16434 (MULTILIB_EXCEPTIONS): Ditto.
16435 * config/m68k/m68k.opt: Add mcfv4e.
16436 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16437 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16438 (m68k_output_function_prologue): Save ColdFire FPU registers.
16439 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16440 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16441 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16442 ColdFire FPU registers.
16443 (m68k_libcall_value, m68k_function_value): New functions.
16444 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16445 (LIBCALL_VALUE): Use m68k_libcall_value.
16446 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16447 (MASK_COLDFIRE): Add MASK_CFV4E.
16448 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16449 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16450 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16451 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16452 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16453 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16454 * doc/invoke.tex: Document -mcfv4e on m68k.
16456 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16458 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16461 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16464 * c-opts.c (c_common_handle_option): Don't include
16465 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16466 * doc/invoke.texi (C++ Dialect Options): Document that
16467 -Wnon-virtual-dtor is no longer included in -Wall.
16469 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16471 * gcov.c (print_version), gcov-dump.c (print_version),
16472 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16475 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16477 * df-scan.c (problem_SCAN): Added NULL reset function.
16478 (df_scan_reset_blocks): Added code to call reset block function
16479 (df_bb_refs_delete) Fixed comment.
16480 (df_insn_refs_delete): Made tolerant of deleting non existent info
16481 for dataflow problems that need to be reset.
16482 * df-core.c (df_set_blocks): Ditto.
16483 * df.h (struct df_problem): Added reset_fun.
16484 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16485 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16486 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16487 functions to clear out all references to def-use or use-def chains.
16489 2006-01-21 Ben Elliston <bje@au.ibm.com>
16491 * varasm.c (assemble_real): Initialise data array.
16493 2006-01-20 Paul Brook <paul@codesourcery.com>
16495 Merge from csl-arm-branch.
16496 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16497 * config/arm/arm.md (movdi): Force operands[1] to a register
16498 if we have a non-register source.
16499 (*arm_movdi, *movdf_soft_insn): Require that one of the
16500 operands be a register.
16501 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16502 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16504 2006-01-20 DJ Delorie <dj@redhat.com>
16506 * varasm.c (initializer_constant_valid_p): Allow pointers
16507 initialized from integer constants of lesser precision.
16508 (output_constant): Allow non-int-sized pointer modes to be
16509 initialized from integer constants.
16511 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16514 * cppdefault.h (struct default_include): Add multilib flag.
16515 * cppdefault.c (cpp_include_defaults): Set it.
16516 * c.opt (-imultilib): New option.
16517 * c-opts.c (imultilib): New.
16518 (c_common_handle_option): Handle -imultilib.
16519 (c_common_post_options): Likewise.
16520 * c-incpath.c (add_standard_paths, register_include_chains):
16522 * c-incpath.h (register_include_chains): Add extra parameter.
16523 * gcc.c (do_spec_1): Generate -imultilib option.
16524 (The Specs Language): Update %I description.
16525 (process_command): Update copyright notice.
16526 * doc/cppopts.texi (-imultilib): Document.
16527 * doc/invoke.texi (-imultilib): Include in option summary.
16528 (%I): Update specs documentation.
16530 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16532 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16534 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16536 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16539 2006-01-20 Richard Guenther <rguenther@suse.de>
16540 Steven Bosscher <stevenb.gcc@gmail.com>
16542 PR rtl-optimization/24626
16543 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16544 EDGE_TRUE_VALUE if in RTL mode.
16547 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16548 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16550 2006-01-20 Dirk Mueller <dmueller@suse.com>
16553 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16554 instead of a special NOP marker.
16555 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16556 NOP marker handling.
16557 * c-common.h (empty_body_warning): Add forward declaration.
16558 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16559 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16561 2006-01-20 Paul Brook <paul@codesourcery.com>
16563 * Makefile.in (lang_checks): Keep going if mkdir fails.
16565 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16567 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16568 be able to clean out basic block when not necessary.
16569 (df_scan_free): Fixed to properly delete information if df is
16570 unused before calling df_finish.
16571 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16572 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16574 (df_bb_refs_delete): New function.
16575 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16576 * df-core.c (df_set_blocks): Added code to properly clean out
16577 unused blocks if they are not part of the blocks to consider.
16578 Added additional null check.
16579 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16580 be able to clean out basic block when not necessary
16581 * df.h (df_free_bb_function): Ditto.
16582 (df_bb_refs_delete): New function.
16583 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16584 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16585 basic block parameter to be able to clean out basic block when not
16587 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16588 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16589 Fixed to properly delete information if df is unused before
16592 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16594 PR rtl-optimization/25799
16595 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16596 Corrected confluence operator to remove bits from op2 before oring
16597 with op1 rather than removing bits from op1.
16598 (df_ru_transfer_function): Corrected test on wrong bitmap which
16599 caused infinite loop. Both of these problems were introduced in
16600 the dataflow rewrite.
16602 2006-01-19 DJ Delorie <dj@redhat.com>
16604 * reload1.c (find_reload_regs): Note the details of reload
16605 failures in the dump file.
16606 (spill_failure): Likewise.
16608 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16610 * loop-iv.c: Include df.h and hashtab.h.
16611 (enum iv_grd_result): New enum.
16612 (DF_REF_IV, DF_REF_IV_SET): New macros.
16613 (struct biv_entry): New.
16614 (df, bivs): New global variables.
16615 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16616 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16618 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16619 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16620 analyzed_for_bivness_p, record_biv): New functions.
16621 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16622 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16623 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16625 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16627 (iv_number_of_iterations): Use new interface to iv analysis.
16628 * loop-unroll.c: Do not include varray.h.
16629 (analyze_iv_to_split_insn): Use new interface to iv
16631 * loop-unswitch.c (may_unswitch_on): Ditto.
16632 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16634 (df_bb_modify): Realloc tables to the new index.
16635 (df_find_use): New function.
16636 * df.h (df_find_use): Declare.
16637 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16639 * cfgloop.h (struct rtx_iv): Remove analysed field.
16640 (iv_get_reaching_def): Removed.
16641 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16642 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16643 (loop-iv.o): Add df.h and hashtab.h dependency.
16644 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16646 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16649 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16651 (__floatundisf, __floatundidf): Likewise.
16652 * libgcc2.h (IS_IBM_EXTENDED): Define.
16654 2006-01-19 DJ Delorie <dj@redhat.com>
16656 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16658 2006-01-19 Paul Brook <paul@codesourcery.com>
16660 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16661 as nothrow when unwinding tables are disabled.
16663 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16666 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16667 of bit-field" when in system header.
16669 2006-01-19 DJ Delorie <dj@redhat.com>
16671 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16672 the 16 bit shift limit of the m16c.
16674 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16677 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16678 * config/i386/i386.c (output_set_got): Output the label if we have one
16679 for the TARGET_DEEP_BRANCH_PREDICTION case.
16681 2006-01-19 Jan Hubicka <jh@suse.cz>
16682 H.J. Lu <hongjiu.lu@intel.com>
16683 Evandro Menezes <evandro.menezes@amd.com>
16685 * invoke.texi (generic): Document
16687 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16688 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16689 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16690 (x86_use_incdec, x86_pad_returns): New variables
16691 (TARGET_CPU_DEFAULT_generic): New constant
16692 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16693 (enum processor_type): Add generic32 and generic64.
16694 * i386.md (cpu attribute): Add generic32/generic64
16695 (movhi splitter): Behave sanely when both partial_reg_dependency and
16696 partial_reg_stall are set.
16697 (K8 splitters): Enable for generic as well.
16698 * predicates.md (incdec_operand): Use TARGET_INCDEC
16699 (aligned_operand): Avoid memory mismatch stalls.
16700 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16701 * ppro.md: Enable for generic32
16702 * i386.c (generic64_cost, generic32_cost): New.
16703 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16704 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16705 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16706 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16707 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16708 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16709 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16710 x86_accumulate_outgoing_args, x86_prologue_using_move,
16711 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16712 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16713 Enable for generic.
16714 (x86_use_incdec, x86_pad_returns): New.
16715 (override_options): Add generic32 and generic64, translate "generic"
16716 to generic32/generic64 and "i686" to "generic32", refuse
16717 "generic32"/"generic64" as arch target.
16718 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16719 (ix86_reorg): Honor PAD_RETURNS.
16721 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16723 * tree-pretty-print.c (dump_generic_node): Handle
16724 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16725 * cgraph.c (cgraph_expand_queue): Rename from
16726 cgraph_analyze_queue. Update all users.
16727 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16728 cgraph_expand_queue.
16729 (cgraph_expand_all_functions): Likewise.
16730 (cgraph_finalize_pending_functions): Remove. Update callers.
16732 * tree.h (OMP_DIRECTIVE_P): Define.
16733 (OMP_PARALLEL_FN): Define.
16734 (OMP_PARALLEL_DATA_ARG): Define.
16735 (OMP_SECTIONS_SECTIONS): Define.
16736 * tree-pass.h (pass_expand_omp): Declare.
16737 * omp-low.c (struct omp_region): Declare.
16738 (struct omp_context): Remove fields 'parallel_type',
16739 'parallel_start_ix' and 'parallel_start_additional_args'.
16741 (struct omp_for_data): Rename from struct expand_omp_for_data.
16742 (omp_regions): New static variable.
16743 (root_omp_region): New static variable.
16744 (find_omp_clause): Make static.
16745 (is_in_combined_parallel_ctx): Remove.
16746 (is_combined_parallel): New.
16747 (extract_omp_for_data): Move earlier in the file.
16748 (workshare_safe_to_combine_p): New.
16749 (get_ws_args_for): New.
16750 (determine_parallel_type): Move earlier in the file.
16751 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16753 (omp_copy_decl): Likewise.
16754 (create_omp_child_function): Likewise.
16755 (lookup_omp_region): New.
16756 (dump_omp_region): New.
16757 (debug_omp_region): New.
16758 (debug_all_omp_regions): New.
16759 (new_omp_region): New.
16760 (scan_omp_parallel): If parallel_nesting_level > 1, the
16761 directive is nested within another parallel directive.
16762 Set OMP_PARALLEL_FN.
16763 (scan_omp_for): Do not try to handle combined parallel+for
16765 Remove FIXME comment.
16766 (scan_omp_nested): Remove.
16767 (scan_omp_1): Do not call scan_omp_nested when
16768 parallel_nesting_level is > 1.
16769 Do not change the DECL_CONTEXT of local variables found.
16770 (lookup_decl_in_outer_ctx): New.
16771 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16772 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16773 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16774 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16775 If CTX is nested, lookup VAR in the outer context when
16776 building copy assignment.
16777 (lower_send_clauses): Rename from expand_send_clauses.
16778 If CTX is nested, lookup VAR in the outer context when
16779 building copy assignments.
16780 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16781 If CTX is nested, lookup VAR in the outer context when
16782 building copy assignments.
16783 (expand_parallel_call): Rename from build_parallel_call.
16784 Handle combined parallel+workshare cases.
16785 Re-implement to emit code into the CFG.
16787 (expand_omp_parallel): Re-implement to emit code into the CFG.
16788 Call move_sese_region_to_fn to outline the sub-graph
16789 containing the parallel region.
16790 (expand_omp_for_1): Remove.
16791 (expand_omp_for_generic): Re-implement to emit code into the
16793 (expand_omp_for_static_nochunk): Likewise.
16794 (expand_omp_for_static_chunk): Likewise.
16795 (expand_omp_for): Likewise.
16796 (expand_omp_sections): Likewise.
16797 (remove_exit_barriers): New.
16798 (expand_omp_synch): New.
16800 (build_omp_regions_1): New.
16801 (build_omp_regions): New.
16802 (execute_expand_omp): New.
16803 (gate_expand_omp): New.
16804 (pass_expand_omp): Define.
16805 (lower_omp_sections): Rename from expand_omp_sections.
16806 Set OMP_SECTIONS_SECTIONS.
16807 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16808 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16809 (lower_omp_single): Rename from expand_omp_simple.
16810 (lower_omp_master): Rename from expand_omp_master.
16811 (lower_omp_ordered): Rename from expand_omp_ordered.
16812 (lower_omp_critical): Rename from expand_omp_critical.
16813 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16814 (lower_omp_for): Re-implement.
16815 (lower_omp_parallel): Re-implement.
16816 (lower_regimplify): Rename from expand_regimplify.
16817 (lower_omp_1): Rename from expand_omp_1.
16818 If there are syntax errors in the program, replace every
16819 OpenMP directive with NOP.
16820 Call lower_omp_* instead of expand_omp_*.
16821 (lower_omp): Rename from expand_omp.
16823 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16824 * tree-gimple.h (enum omp_parallel_type): Remove.
16825 (gimple_boolify): Declare extern.
16826 (find_omp_clause, determine_parallel_type): Remove.
16828 * gimple-low.c (lower_omp_directive): New.
16829 (lower_stmt): Call it.
16830 (record_vars_into): Move from ...
16831 (record_vars): ... here.
16832 Call record_vars_into with current_function_decl.
16834 * gimplify.c (struct gimplify_ctx): Remove fields
16835 combined_pre_p and combined_ctxp. Update users.
16836 (get_formal_tmp_var): Add documentation.
16837 (gimple_boolify): Make extern.
16838 (gimplify_expr_in_ctx): Remove. Update callers.
16839 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16840 will always be a BIND_EXPR.
16841 (gimplify_expr): Handle OMP_RETURN_EXPR.
16842 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16843 (OMP_PARALLEL): Add 3 operands.
16844 (OMP_SECTIONS): Add 1 operand.
16845 (OMP_RETURN_EXPR): Define.
16847 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16848 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16849 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16850 creating a circular free list.
16851 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16853 * tree-flow.h (move_sese_region_to_fn): Declare.
16854 (record_vars_into): Declare.
16855 * tree-cfg.c (make_omp_sections_edges): New.
16856 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16857 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16858 OMP_SECTIONS and OMP_SECTION.
16859 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16860 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16861 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16862 (gather_blocks_in_sese_region): New.
16863 (struct move_stmt_d): Declare.
16864 (move_stmt_r): New.
16865 (move_block_to_fn): New.
16866 (move_sese_region_to_fn): New.
16868 * passes.c (init_optimization_passes): Schedule
16869 pass_expand_omp after pass_init_datastructures.
16871 * tree-ssa-operands.c (get_expr_operands): Handle
16872 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16873 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16875 2006-01-19 Jeff Law <law@redhat.com>
16877 * tree-vrp.c (extract_range_from_assert): Refine the result range
16878 if the variable referenced by the ASSERT_EXPR has a range and
16879 either the tentative result range or the previous range is a
16882 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16884 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16886 2006-01-19 Jan Hubicka <jh@suse.cz>
16888 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16890 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16892 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16893 (expand_compound_operation, expand_field_assignment): Fail if the
16894 bit lengths of an extract operation are out of range.
16895 (make_extraction): Compute wanted_inner_mode based on the position
16896 and length of the extraction. Make it extraction_mode for non-constant
16897 positions, and do not modify offset in that case. When generating a
16898 new MEM, use a mode that can hold the extraction while keeping correct
16899 alignment. Remove code that supported MEMs wrapped by USEs.
16900 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16902 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16904 * config/s390/s390.md ("Y", "y"): New mode attribute.
16905 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16906 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16907 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16908 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16909 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16910 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16911 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16912 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16913 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16914 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16915 "addsi3", "subsi3"): Insn patterns removed.
16916 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16917 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16918 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16919 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16920 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16921 "*sub<mode>3_cconly2"): New insn patterns.
16922 ("addsi3", "subsi3"): New expanders.
16924 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16926 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16927 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16928 existing STMT_VINFO_VECTYPE if available.
16929 (vect_mark_relevant): Add special handling for stmts that are
16930 marked as STMT_VINFO_IN_PATTERN_P.
16931 (vect_analyze_loop): Call vect_pattern_recog.
16932 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16933 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16935 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16936 (vect_recog_func_ptr): New function-pointer type.
16937 * tree-vect-patterns.c: New file.
16938 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16939 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16940 (vect_pattern_recog_1): New functions.
16941 (vect_pattern_recog_funcs): New array of function pointers.
16943 * tree-vectorizer.h (ternary_op): New enum value.
16944 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16945 declaration. Revised documentation. Removed redundant dump prints.
16946 Removed redundant argument. Added support for reduction patterns.
16947 (vectorizable_reduction): Added support for reduction patterns.
16948 (vect_transform_stmt): Added support for patterns.
16950 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16951 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16952 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16953 (expand_widen_pattern_expr): New function.
16954 (init_optabs): Initialize new optabs udot_prod_optab,
16956 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16957 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16958 (expand_widen_pattern_expr): New function declaration.
16959 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16961 * tree-inline.c (estimate_num_insns_1): Added cases for new
16962 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16963 * tree-pretty-print.c (dump_generic_node): Likewise.
16964 (op_prio): Likewise.
16965 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16966 * tree-ssa-operands.c (get_expr_operands): Added case for
16968 * tree-vect-patterns.c (widened_name_p): New function.
16969 (vect_recog_dot_prod_pattern): Added function implementation.
16970 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16971 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16972 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16973 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16975 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16976 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16977 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16978 (init_optabs): Initialize new optabs widen_ssum_optab,
16980 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16981 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16982 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16983 use instead of type of def.
16984 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16985 function implementation.
16986 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16987 widen_ssumv8hi): New.
16989 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16992 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16995 * c-decl.c (add_flexible_array_elts_to_size): New function.
16996 (finish_decl): Use it.
16998 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17000 * diagnostic.h: Include options.h.
17001 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17002 dependancies for diagnostic.h.
17003 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17005 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17007 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17008 (ssa_ro_call_cache_valid): Ditto.
17009 * tree-ssa-alias.c (sort_tags_by_id): New function.
17010 (init_transitive_clobber_worklist): Ditto.
17011 (add_to_worklist): Ditto.
17012 (mark_aliases_call_clobbered): Ditto.
17013 (compute_tag_properties): Ditto.
17014 (set_initial_properties): Ditto.
17015 (compute_call_clobbered): Ditto.
17016 (compute_may_aliases): Call compute_call_clobbered and grouping.
17017 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17018 (compute_flow_insensitive_aliasing): Grouping now happens in our
17020 (setup_pointers_and_addressables): Remove clobbering related code.
17021 (add_may_alias): Ditto.
17022 (replace_may_alias): Ditto.
17023 (get_nmt_for): Ditto.
17024 (create_global_var):
17025 (is_escape_site): Return an escape_type enumeration.
17026 * tree-flow-inline.h (is_call_clobbered): Global var does not
17027 imply call clobbered.
17028 (mark_call_clobbered): Take a reason for marking this. Remove
17029 marking of globalness, and cache invalidation.
17030 (clear_call_clobbered): Remove cache invalidation code.
17031 * tree-dfa.c (dump_variable): If details is on, dump the reason
17033 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17035 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17036 (struct var_ann_d): Ditto.
17037 (enum escape_type): New.
17038 (mark_call_clobbered): Adjust prototype.
17039 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17040 are never call clobbered.
17041 Record reasons for escaping.
17042 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17043 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17044 (ssa_ro_call_cache_valid): Ditto.
17045 (clobbered_v_may_defs): Ditto.
17046 (clobbered_vuses): Ditto.
17047 (ro_call_vuses): Ditto.
17048 (clobber_stats): New.
17049 (init_ssa_operands): Zero out clobber stats.
17050 (fini_ssa_operands): Print out clobber stats.
17051 (get_call_expr_operands): Pass callee fndecl to
17052 add_call_read_ops).
17053 (add_call_clobber_ops): Remove use of cache.
17054 Add use of PURE_CONST information.
17055 (add_call_read_ops): Remove use of cache.
17056 Add use of static not_read information.
17058 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17060 Introduce TLS descriptors for i386 and x86_64.
17061 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17062 (TARGET_ANY_GNU_TLS): New macro.
17063 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17064 (struct machine_function): Add tls_descriptor_call_expanded_p.
17065 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17066 (ix86_current_function_calls_tls_descriptor): Likewise.
17067 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17068 (override_options): Introduce gnu2 tls dialect.
17069 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17071 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17073 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17074 (ix86_init_machine_status): Initialize new field.
17075 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17076 (ix86_tls_module_base): New.
17077 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17078 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17079 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17080 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17081 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17082 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17083 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17084 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17085 * config/i386/predicates.md (tls_modbase_operand): New.
17086 (tp_or_register_operand): New.
17088 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17090 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17091 (look_for_address_of): Ditto.
17092 (ipa_init): Walk the function decls.
17093 (static_execute): Don't set readonly on FUNCTION_DECL's.
17095 2006-01-18 Roger Sayle <roger@eyesopen.com>
17097 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17098 for shifts where the source and destination registers are different.
17100 2006-01-18 Paul Brook <paul@codesourcery.com>
17102 Merge from csl-arm-branch.
17103 2005-03-14 Julian Brown <julian@codesourcery.com>
17104 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17105 (aeabi_llsl): Likewise.
17106 (ashrdi3): Likewise.
17107 (aeabi_lasr): Likewise.
17108 (lshrdi3): Likewise.
17109 (aeabi_llsr): Likewise.
17110 2005-03-10 Julian Brown <julian@codesourcery.com>
17111 * config.gcc: Disable shared libgcc for SymbianOS.
17112 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17114 2006-01-18 DJ Delorie <dj@redhat.com>
17116 * c-pragma.c (handle_pragma_diagnostic): New.
17117 (init_pragma): Register it.
17118 * doc/extend.texi: Document it.
17120 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17121 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17122 (diagnostic_context): Add classify_diagnostic[].
17123 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17124 as errors if they're overridden to DK_WARNING.
17125 (diagnostic_initialize): Initialize classify_diagnostic[].
17126 (diagnostic_set_kind_override): New.
17127 (diagnostic_report_diagnostic): Check for kind changes.
17128 * opts.c (common_handle_option): Take lang_mask. Update callers.
17129 Handle OPT_Werror_.
17130 * common.opt (Werror=): New.
17131 * doc/invoke.texi: Document -Werror=*
17133 2006-01-18 Jeff Law <law@redhat.com>
17135 * tree-vrp.c (test_for_singularity): Correct test for new
17136 min limit. Use operand_equal_p rather than pointer equality
17137 for testing if new min/max values are equal.
17139 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17140 using range information until after propagation and folding.
17142 2006-01-18 Richard Henderson <rth@redhat.com>
17143 Aldy Hernandez <aldyh@redhat.com>
17144 Jakub Jelinek <jakub@redhat.com>
17145 Diego Novillo <dnovillo@redhat.com>
17147 * omp-low.c: New file.
17148 * c-omp.c: New file.
17150 2006-01-18 Richard Henderson <rth@redhat.com>
17151 Jakub Jelinek <jakub@redhat.com>
17152 Diego Novillo <dnovillo@redhat.com>
17154 * doc/invoke.texi: Document -fopenmp.
17155 * tree-dump.h (debug_function): Declare.
17156 * hooks.c (hook_bool_tree_bool_false): New function.
17157 (hook_tree_tree_null): Remove.
17158 (hook_tree_tree_tree_null): New.
17159 * hooks.h: Update to match.
17160 * tree-pretty-print.c (debug_tree_chain): New.
17161 (print_generic_expr): Handle TDF_CHAIN.
17162 (dump_generic_node): Handle BLOCK.
17163 Do not abort with incomplete SWITCH_EXPRs.
17164 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17165 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17166 print space after directive name.
17167 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17168 Handle OMP_MASTER and OMP_ORDERED.
17169 Handle printing of OMP_BODY just in one place, goto
17170 dump_omp_body in the rest of OMP_* nodes that have
17172 Don't handle clause nodes here. Update omp statements to
17173 use dump_omp_clauses.
17174 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17175 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17176 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17177 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17178 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17179 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17180 Adjust output for GOMP_PARALLEL.
17181 (dump_omp_clauses): New.
17182 (print_declaration): Dump DECL_VALUE_EXPR.
17183 (op_symbol_1): Split out of op_symbol.
17184 (dumping_stmts): Remove. Update all users.
17185 * cgraph.c (cgraph_analyze_queue): New.
17186 (cgraph_add_new_function): New.
17187 * cgraph.h (cgraph_analyze_queue): Declare.
17188 (cgraph_add_new_function): Declare.
17189 (cgraph_lower_function): Remove.
17190 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17191 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17192 and TYPE_P nodes in its default clause.
17193 (empty_body_p): New.
17194 (tree_range_check_failed): New.
17195 (build5_stat): New.
17196 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17197 OMP_CLAUSE_REDUCTION_MERGE,
17198 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17199 OMP_CLAUSE_PRIVATE_DEBUG,
17200 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17201 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17202 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17203 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17204 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17205 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17206 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17207 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17208 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17209 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17210 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17211 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17212 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17213 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17214 (TREE_RANGE_CHECK): New.
17215 (empty_body_p): Declare.
17216 (enum omp_clause_default_kind): New.
17217 (build_string_literal): Declare.
17218 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17219 (build5_stat, build5): Declare.
17220 * tree-pass.h (TDF_CHAIN): Define.
17221 * tree-pass.h (PROP_gimple_lomp): Define.
17222 (pass_lower_omp): Declare.
17223 * diagnostic.h (debug_tree_chain): Declare.
17224 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17226 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17227 * builtins.c (build_string_literal): Make extern.
17228 * gcc.c (include_spec_function): New.
17229 (static_spec_functions): Add it.
17230 (main): Move load of libgomp.spec ...
17231 (LINK_COMMAND_SPEC): ... here.
17232 (link_gomp_spec): New.
17233 (static_specs): Include it.
17234 (LINK_COMMAND_SPEC): Add link_gomp.
17235 (GOMP_SELF_SPECS): New.
17236 (driver_self_specs): Include it.
17237 (switch_matches): Don't mark inline.
17238 (main): Load libgomp.spec.
17239 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17240 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17241 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17242 * tree-gimple.h (enum omp_parallel): Declare.
17243 (determine_parallel_type): Declare.
17244 (omp_firstprivatize_variable): Declare.
17245 (omp_reduction_init): Declare.
17246 (diagnose_omp_structured_block_errors): Declare.
17247 (struct walk_stmt_info): Add want_return_expr.
17248 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17249 (find_omp_clause): Declare.
17250 (insert_field_into_struct): Declare.
17251 (struct walk_stmt_info): Move from tree-nested.c
17252 (walk_stmts): Declare.
17253 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17255 * cgraphunit.c (cgraph_lower_function): Make static.
17256 (cgraph_finalize_pending_functions): New.
17257 (cgraph_finalize_function): Call it.
17258 (cgraph_finalize_compilation_unit): Likewise.
17259 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17260 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17261 (BT_FN_UINT_UINT): New.
17262 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17263 DEF_FUNCTION_TYPE_VAR_4): Document.
17264 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17265 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17266 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17267 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17268 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17269 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17270 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17271 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17272 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17273 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17274 into separate files.
17275 (DEF_GOMP_BUILTIN): New.
17276 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17277 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17278 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17279 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17280 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17281 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17282 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17283 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17284 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17285 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17286 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17287 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17288 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17289 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17290 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17291 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17292 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17293 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17294 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17295 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17296 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17297 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17298 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17299 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17300 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17301 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17302 * sync-builtins.def: New file, moved from builtins.def.
17303 * omp-builtins.def: New file, moved from builtins.def.
17304 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17305 * gimple-low.c (lower_function_body): Clear data.
17306 (lower_stmt): Do not handle COMPOUND_EXPR.
17307 Remove call to print_node_brief.
17308 * c-tree.h (c_finish_omp_clauses): New prototype.
17309 (C_DECL_THREADPRIVATE_P): Define.
17310 (lookup_name_no_remap, c_omp_remap_private): Remove
17311 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17312 (check_for_loop_decls): Update decl.
17313 (lookup_name_no_remap, c_omp_remap_private): Declare.
17314 (build_indirect_ref, build_modify_expr, pushdecl,
17315 pushdecl_top_level): Move to c-common.h.
17316 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17317 before the switch, but just in the 2 places that need it.
17318 * c-decl.c (diagnose_mismatched_decls): Do not check for
17319 mismatched thread-local attributes when OLDDECL is marked
17320 threadprivate and NEWDECL has no thread-local attributes.
17321 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17322 (c_gimple_diagnostics_recursively): Rename from
17323 c_warn_unused_result_recursively. Invoke
17324 diagnose_omp_structured_block_errors.
17325 (check_for_loop_decls): Return a singular decl found.
17326 * langhooks.c (lhd_omp_predetermined_sharing): Return
17327 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17328 (lhd_omp_firstprivatize_type_sizes): New.
17329 (lhd_omp_assignment): New.
17330 (lhd_omp_predetermined_sharing): New.
17331 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17332 (struct lang_hooks_for_types): Add
17333 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17334 omp_predetermined_sharing, omp_disregard_value_expr,
17335 omp_private_debug_clause, omp_clause_default_ctor,
17336 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17337 (c_finish_omp_clauses): New.
17338 (c_finish_bc_stmt): Diagnose break within omp for.
17339 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17340 (build_unary_op): Return error_mark after reporting
17342 (build_modify_expr): Likewise.
17343 * gimplify.c: Include optabs.h and pointer-set.h.
17344 (enum gimplify_omp_var_data): Declare.
17345 (struct gimplify_omp_ctx): Declare.
17346 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17348 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17349 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17350 (splay_tree_compare_decl_uid): New.
17351 (new_omp_context): New.
17352 (delete_omp_context): New.
17353 (gimple_add_tmp_var): Call omp_add_variable.
17354 (gimplify_bind_expr): Likewise.
17355 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17356 true, disregard DECL_VALUE_EXPR on the decl if any.
17357 (gimplify_expr_in_ctx): New.
17358 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17359 omp_add_variable, omp_notice_variable, omp_is_private
17360 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17361 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17362 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17363 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17364 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17365 gimplify_omp_atomic): New.
17366 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17367 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17368 OMP_CRITICAL and OMP_ATOMIC.
17369 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17370 * c-pragma.h (enum pragma_kind): Add
17371 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17372 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17373 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17374 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17375 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17376 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17377 PRAGMA_OMP_THREADPRIVATE.
17378 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17379 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17380 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17381 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17382 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17383 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17384 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17385 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17386 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17387 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17388 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17389 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17390 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17392 (struct nesting_info): Add field_map,
17393 suppress_expansion, debug_var_chain.
17394 (create_nesting_tree): Initialize them.
17395 (lookup_field_for_decl): Use field_map.
17396 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17397 (convert_local_omp_clauses): New.
17398 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17399 (walk_body): Split out of walk_function.
17400 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17401 (convert_nonlocal_reference): Handle omp statements.
17402 (convert_local_reference): Likewise.
17403 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17404 (unnest_nesting_tree): New.
17405 (lower_nested_functions): Call it.
17406 (insert_field_into_struct): Make extern.
17407 (struct walk_stmt_info): Move to tree-gimple.h.
17408 (walk_stmts): Make extern.
17409 * omp-builtins.def: New file.
17410 * tree-iterator.c (expr_only): Clarify comment.
17411 * c-common.h (pushdecl_top_level, pushdecl,
17412 build_modify_expr, build_indirect_ref,
17413 c_finish_omp_master, c_finish_omp_critical,
17414 c_finish_omp_ordered, c_finish_omp_barrier,
17415 c_finish_omp_atomic, c_finish_omp_flush,
17416 c_finish_omp_for, c_split_parallel_clauses,
17417 omp_clause_default_kind, c_omp_sharing_predetermined,
17418 c_omp_remap_decl): Declare.
17419 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17420 (OBJS-common): Add omp-low.o.
17421 (c-omp.o, omp-low.o): Add.
17422 (gimplify.o): Add dependency on $(OPTABS_H).
17423 (GTFILES): Add omp-low.c.
17424 (gt-stringpool.h): Add.
17425 * tree-cfg.c (set_bb_for_stmt): Do not update the
17426 block-to-labels map if we are currently expanding to RTL.
17427 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17429 Handle IDENTIFIER_NODE.
17430 (tree_verify_flow_info): Do not ICE when emitting error
17431 messages about invalid labels.
17432 (dump_function_to_file): Reset CFUN before emitting the body
17434 (debug_function): New.
17435 * passes.c (init_optimization_passes): Schedule
17437 * langhooks-def.h (lhd_omp_predetermined_sharing,
17438 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17440 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17441 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17442 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17443 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17444 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17445 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17446 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17447 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17448 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17449 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17450 (LANG_HOOK_DECLS): Use them.
17452 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17453 Richard Henderson <rth@redhat.com>
17454 Jakub Jelinek <jakub@redhat.com>
17455 Diego Novillo <dnovillo@redhat.com>
17457 * c-parser.c (pragma_omp_clause): Define.
17458 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17459 (c_parser_compound_statement): Likewise.
17460 (c_parser_statement): Likewise.
17461 (c_parser_pragma): Handle omp pragmas.
17462 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17463 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17464 (c_parser_omp_clause_name, check_no_duplicate_clause,
17465 c_parser_omp_variable_list,
17466 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17467 c_parser_omp_clause_copyprivate,
17468 c_parser_omp_clause_default,
17469 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17470 c_parser_omp_clause_lastprivate,
17471 c_parser_omp_clause_nowait,
17472 c_parser_omp_clause_num_threads,
17473 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17474 c_parser_omp_clause_reduction,
17475 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17476 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17477 c_parser_omp_atomic, c_parser_omp_barrier,
17478 c_parser_omp_critical, c_parser_omp_flush,
17479 c_parser_omp_for_loop, c_parser_omp_for,
17480 c_parser_omp_master, c_parser_omp_ordered,
17481 c_parser_omp_sections_scope, c_parser_omp_sections,
17482 c_parser_omp_parallel, c_parser_omp_single,
17483 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17484 * c-pragma.c (init_pragma): Do omp pragma registration here.
17485 * c.opt (fopenmp): New flag.
17487 2006-01-18 Eric Christopher <echristo@apple.com>
17489 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17490 * config/darwin.h (GOMP_SELF_SPECS): Define.
17492 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17494 * rtl.h: Remove the prototype for reg_alloc.
17496 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17499 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17500 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17501 sjlj and dwarf2 exception handling.
17502 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17503 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17504 * pa/pa.c (function_value): Treat complex and vector types as
17506 (function_arg): Likewise. Only pass scalar floats in the floating
17507 point argument registers.
17508 * pa/t-slibgcc-dwarf-ver: New file.
17509 * pa/t-slibgcc-sjlj-ver: New file.
17510 * pa/t-slibgcc-elf-ver: Delete file.
17512 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17514 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17515 unlikely_test_section_p test.
17517 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17519 * mode-switching.c (optimize_mode_switching): Make it static.
17520 * basic-block.h: Remove the prototype for
17521 optimize_mode_switching.
17523 * modulo-sched.c (sms_schedule): Make it static.
17524 * rtl.h: Remove the prototype for sms_schedule.
17526 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17527 * rtl.h: Remove the prototype for gcse_after_reload_main.
17529 * reg-stack.c (reg_to_stack): Make it static.
17530 * rtl.h: Remove the prototype for reg_to_stack.
17532 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17534 * rtl.h: Remove the prototypes for regrename_optimize and
17535 copyprop_hardreg_forward.
17537 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17539 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17540 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17541 Test against the appropriate null constant for the mode.
17542 If 'fixup_overlap' is true, swap the operands if they overlap.
17543 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17544 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17545 alpha_split_tmode_pair and adjust for above change.
17546 * config/alpha/alpha.md (movtf_internal): Adjust call to
17547 alpha_split_tfmode_pair and rely on it to swap the operands.
17548 (movti_internal): New insn and post-reload splitter.
17549 (movti): New expander.
17551 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17553 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17556 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17558 * rtlanal.c (global_reg_mentioned_p_1,
17559 global_reg_mentioned_p): Remove.
17560 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17562 * flow.c (initialize_uninitialized_subregs): Make it static.
17563 * rtl.h: Remove the prototype for
17564 initialize_uninitialized_subregs.
17566 * function.c (instantiate_virtual_regs): Make it static.
17567 * function.h: Remove the prototype for
17568 instantiate_virtual_regs.
17570 * regmove.c (regmove_optimize, combine_stack_adjustments):
17572 * rtl.h: Remove the prototypes for regmove_optimize and
17573 combine_stack_adjustments.
17575 2006-01-17 Roger Sayle <roger@eyesopen.com>
17577 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17578 (size_cost): Encode costs in bytes so that a reg-reg addition is
17579 equivalent to COSTS_N_INSNS(1).
17580 (override_options): Use the size_cost.branch_cost as the default
17581 ix86_branch_cost when optimizing for size.
17583 2006-01-18 Ben Elliston <bje@au.ibm.com>
17585 * Makefile.in (D32PBIT_FUNCS): New.
17586 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17587 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17588 D64PBIT_FUNCS and D128PBIT_FUNCS.
17589 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17590 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17592 (decnumber_dep): Define.
17593 * doc/libgcc.texi (Decimal float library routines): New node.
17594 * config/dfp-bit.h, config/dfp-bit.c: New files.
17596 2006-01-18 Ben Elliston <bje@au.ibm.com>
17598 * expr.c (emit_move_change_mode): Always adjust addresses, not
17599 just during reload. Copy replacements only during reload.
17600 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17601 emit_move_via_integer.
17603 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17605 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17606 instead of $(srcdir) and ${srcdir}.
17608 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17611 PR middle-end/11135
17612 * arm.h (struct machine_function): Add pic_reg.
17613 * arm.c (arm_pic_register): Make unsigned.
17614 (arm_override_options): Only set arm_pic_register if
17615 TARGET_SINGLE_PIC_BASE.
17616 (use_return_insn): Only test for a pic register if it is fixed.
17617 (arm_compute_save_reg0_reg12_mask): Likewise.
17618 (thumb_compute_save_reg_mask): Likewise.
17619 (legitimate_pic_operand): Factor out some known invariants.
17620 (legitimize_pic_address): If we don't have a fixed pic register,
17621 then set up a pseudo in the function entry sequence. Handle the
17622 pic base being in a pseudo.
17623 (arm_load_pic_register): Handle the pic register being in a pseudo.
17624 (arm_expand_prologue): Only set up the pic register if it is fixed.
17625 (thumb_expand_prologue): Likewise.
17626 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17627 (pic_load_addr_based_insn): Likewise.
17628 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17631 2006-01-18 Ben Elliston <bje@au.ibm.com>
17633 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17634 decimal float modes for all floating point registers.
17636 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17637 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17639 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17642 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17643 even when the pointer is not NULL.
17645 2006-01-16 Ian Lance Taylor <ian@airs.com>
17647 * common.opt (ftoplevel-reorder): New option.
17648 * cgraph.c (cgraph_asm_nodes): New global variable.
17649 (cgraph_asm_last_node): New static variable.
17650 (cgraph_order): New global variable.
17651 (cgraph_create_node): Set new order field.
17652 (cgraph_varpool_node): Likewise.
17653 (decide_is_variable_needed): Return true if not
17654 flag_toplevel_reorder.
17655 (cgraph_add_asm_node): New function.
17656 * cgraph.h (struct cgraph_node): Add order field.
17657 (struct cgraph_varpool_node): Add order field.
17658 (struct cgraph_asm_node): Define.
17659 (cgraph_asm_nodes, cgraph_order): Declare.
17660 (cgraph_add_asm_node): Declare.
17661 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17663 (cgraph_varpool_assemble_pending_decls): Call it.
17664 (cgraph_output_pending_asms): New static function.
17665 (cgraph_finalize_compilation_unit): Call it.
17666 (struct cgraph_order_sort): Define.
17667 (cgraph_output_in_order): New static function.
17668 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17669 !flag_toplevel_reorder case.
17670 * c-parser.c: Include "cgraph.h".
17671 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17673 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17674 than -fno-unit-at-a-time.
17675 * doc/invoke.texi (Option Summary): Mention
17676 -fno-toplevel-reorder.
17677 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17678 -funit-at-a-time documentation.
17680 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17681 Kazu Hirata <kazu@codesourcery.com>
17683 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17685 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17687 * Makefile.in (FUNCTION_H): New. Use it instead of
17688 function.h throughout the file.
17689 * function.h: Include tree.h.
17691 2006-01-17 Ben Elliston <bje@au.ibm.com>
17693 * recog.c: Separate some functions with whitespace.
17695 2006-01-16 Richard Henderson <rth@redhat.com>
17697 Merge from gomp branch:
17698 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17699 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17700 and rename from struct inline_data. Rename callee* to dst*;
17701 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17702 transform_new_cfg, transform_return_to_modify, and
17703 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17705 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17706 (copy_decl_for_dup): Remove.
17707 * tree-inline.c (struct inline_data): Move to header.
17708 (insert_decl_map): Export.
17709 (remap_decl): Update for member name changes. Use copy_decl hook.
17710 Allow for replacement to be a non-decl. Remove dead code.
17711 (remap_type_1): Check for existing mapping.
17712 (remap_type): Export.
17713 (remap_decls): Update for member name changes.
17714 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17715 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17716 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17717 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17718 (tree_function_versioning, build_duplicate_type): Likewise.
17719 (copy_body_r): Likewise. Export.
17720 (copy_decl_for_dup): Split into ...
17721 (copy_decl_for_dup_finish, copy_decl_to_var,
17722 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17723 (replace_ref_tree, inlining_p): Remove.
17725 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17727 * ifcvt.c (if_convert): Make it static.
17728 * rtl.h: Remove the prototype for if_convert.
17730 * local-alloc.c (local_alloc): Make it static.
17731 * rtl.h: Remove the prototype for local_alloc.
17733 * loop.c (loop_optimize): Make it static.
17734 * cfgloop.h: Remove the prototype for loop_optimize.
17737 2006-01-16 DJ Delorie <dj@redhat.com>
17739 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17742 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17744 * pa.md: Disparage copies between general and floating-point registers
17745 in 32-bit move patterns.
17747 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17750 * Makefile.in (check-%): Depend on site.exp instead of
17751 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17754 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17756 * global.c (global_alloc): Make it static.
17757 * rtl.h: Remove the prototype for global_alloc.
17759 2006-01-16 Richard Guenther <rguenther@suse.de>
17761 * tree-ssa-alias.c (struct used_part): Add write_only field.
17762 (get_or_create_used_part_for): Initialize it to true.
17763 (create_overlap_variables_for): Don't create structure variables
17764 for structures that only are written to.
17765 (find_used_portions): Handle MODIFY_EXPR to track whether a
17766 structure is only written to.
17768 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17770 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17772 * basic-block.h: Remove the prototype for
17773 partition_hot_cold_basic_blocks.
17775 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17777 * cppspec.c (lang_specific_spec_functions): Remove.
17778 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17779 * gcc.h (lang_specific_spec_functions): Remove.
17780 * gccspec.c (lang_specific_spec_functions): Remove.
17782 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17784 * combine.c (record_value_for_reg): Invalidate registers
17786 (record_dead_and_set_regs_1): Likewise, by passing them to
17787 record_value_for_reg.
17788 (record_dead_and_set_regs): Invalidate stores made by a
17789 call. We do not combine across a call, but we still
17790 relied on equivalences.
17792 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17794 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17795 vrp_int_const_binop returning non-constant nodes.
17797 2006-01-16 Paul Brook <paul@codesourcery.com>
17799 * config/m68k/m68k.c (output_move_const_into_data_reg):
17800 Output correct mnemonic for mvz and mvs.
17802 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17804 * rtl-factoring.c: Add sequence abstraction algorithm.
17805 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17806 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17808 (block_has_preserve_label): New function.
17809 * common.opt: Register new pass.
17810 * Makefile.in: Ditto.
17812 * timevar.def: Ditto.
17813 * tree-pass.h: Ditto.
17814 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17815 * rtl.h (make_jump_insn_raw): Add forward decl.
17816 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17818 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17819 Roger Sayle <roger@eyesopen.com>
17821 * fold-const.c (fold_minmax): New static function.
17822 (fold_binary) <MIN_EXPR>: Call it.
17823 <MAX_EXPR>: Likewise.
17824 * stor-layout.c (place_field): Use DECL_SIZE consistently
17825 in the computation of the new record size.
17827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17829 * cse.c (cse_condition_code_reg): Make it static.
17830 * rtl.h: Remove the prototype for cse_condition_code_reg.
17832 * combine.c (combine_instructions): Make it static.
17833 * rtl.h: Remove the prototype for combine_instructions.
17835 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17838 * tree.c (get_file_function_name_long): Concatenate the first global
17839 object name with a string derived from the input filename of the object
17842 2006-01-16 Ben Elliston <bje@au.ibm.com>
17844 * config/i386/winnt-stubs.c: Update FSF address.
17845 * config/xtensa/ieee754-df.S: Ditto.
17846 * config/xtensa/ieee754-sf.S: Ditto.
17848 2006-01-14 Ian Lance Taylor <ian@airs.com>
17850 * ifcvt.c (noce_init_if_info): New static function, broken out of
17851 noce_process_if_block.
17852 (noce_process_if_block): Call noce_init_if_info.
17853 (check_cond_move_block): New static function.
17854 (cond_move_process_if_block): New static function.
17855 (process_if_block): Call cond_move_process_if_block.
17857 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17859 * cselib.c (hash_table): Rename to cselib_hash_table.
17860 (cselib_clear_table, discard_useless_values,
17861 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17862 cselib_init, cselib_finish): Adjust uses of hash_table.
17864 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17866 PR tree-optimization/25485
17867 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17868 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17869 is known to be false and true, respectively.
17871 2006-01-14 Richard Guenther <rguenther@suse.de>
17873 PR tree-optimization/22548
17874 PR tree-optimization/22555
17875 PR tree-optimization/22501
17876 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17877 * params.def (salias-max-array-elements): New parameter.
17878 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17879 * doc/invoke.texi (salias-max-array-elements): Document.
17880 * tree-flow-inline.h (var_can_have_subvars): We also handle
17882 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17884 * tree-ssa-structalias.c (params.h): Include.
17885 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17886 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17887 (get_constraint_for): For ADDR_EXPR operating on something
17888 containing an ARRAY_REF, add all subvars to the solution.
17889 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17890 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17891 for creating MUST_DEFs.
17892 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17894 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17896 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17898 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17899 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17900 number_of_iterations_le): New functions.
17901 (number_of_iterations_special): Removed.
17902 (number_of_iterations_exit): Do not use number_of_iterations_special.
17903 * tree.c (unsigned_type_for): Always return integer type.
17905 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17906 Richard Guenther <rguenther@suse.de>
17908 PR rtl-optimization/24257
17909 * gcse.c (find_moveable_store): Only consider a store movable
17910 when the SET_SRC of the insn can be assigned to a register.
17912 2006-01-14 Ian Lance Taylor <ian@airs.com>
17914 * tree.c (tree_not_class_check_failed): New function.
17915 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17916 (tree_not_class_check_failed): Declare.
17918 2006-01-13 Ian Lance Taylor <ian@airs.com>
17920 * reload1.c (do_output_reload): Add assertion rejecting a
17923 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17925 * combine.c (struct reg_stat): Add new fields truncation_label and
17927 (record_value_for_reg): Reset truncated_to_mode.
17928 (record_truncated_value): New function.
17929 (check_promoted_subreg): Call it. Rename to check_conversions.
17930 (combine_instructions): Rename check_promoted_subreg to
17932 (reg_truncated_to_mode): New function.
17933 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17934 (gen_lowpart_or_truncate): New function.
17935 (force_to_mode): Use it instead of gen_lowpart.
17937 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17939 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17940 VAR is a tag, not its type tag.
17942 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17944 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17945 alternatives to match style of other entries.
17946 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17948 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17950 PR tree-optimization/25771
17951 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17954 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17957 * tree-inline.c (declare_return_variable): If the return variable
17958 was marked as a non gimple complex, set the return slot variable
17959 to be a non gimple comple variable.
17961 2006-01-13 Richard Guenther <rguenther@suse.de>
17963 * builtins.c (expand_builtin_sincos): New function.
17964 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17966 (expand_builtin): Expand sincos using expand_builtin_sincos.
17968 2006-01-12 DJ Delorie <dj@redhat.com>
17970 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17971 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17972 so that constant shifts can be split.
17973 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17974 (m32c_valid_pointer_mode): Make static.
17975 (shift_gen_func_for): New.
17976 (m32c_prepare_shift): Use it. Split large const shifts into
17978 * config/m32c/predicates.md (shiftcount_operand): Allow more
17980 (longshiftcount_operand): New.
17981 * doc/md.texi (Machine Constraints): Document In6.
17983 2006-01-13 Ben Elliston <bje@au.ibm.com>
17985 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17986 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17989 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17991 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17992 to try to avoid clobbering pieces of structures when we know
17993 something about the whole structure.
17994 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17996 2006-01-13 Ben Elliston <bje@au.ibm.com>
17998 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17999 return in memory, as this is no limitation is no longer present.
18001 2006-01-12 DJ Delorie <dj@redhat.com>
18003 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18004 mova with fb, and for fb+0 -> An.
18006 * config/m32c/mov.md (peephole2): Fix enabling logic.
18008 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18009 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18010 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18011 FINI_ARRAY_SECTION_ASM_OP): Define.
18013 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18015 (m32c_legitimize_reload_address): New logic to reload FB to An.
18016 (m32c_output_reg_push): Add newline.
18017 (m32c_output_reg_pop): Likewise.
18019 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18021 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18023 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18025 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18027 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18029 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18032 2006-01-11 Ben Elliston <bje@au.ibm.com>
18034 * rtlanal.c (find_reg_note): Assert insn is not null.
18036 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18038 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18041 2006-01-11 Jeff Law <law@redhat.com>
18043 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18045 (mark_threaded_blocks, register_jump_thread): New functions.
18046 (thread_through_all_blocks): Remove unwanted argument. No
18047 longer rely on e->aux to communicate thread target info.
18048 Call mark_threaded_blocks. Release the threaded_blocks
18049 bitmap and threaded_edges vector when complete.
18050 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18051 (threaded_blocks): Remove.
18052 (tree_ssa_dominator_optimize): Remove initialization and
18053 finalization of threaded_blocks. Simplify call to
18054 thread_through_all_blocks.
18055 (thread_across_edge): Call register_jump_thread rather than
18056 storing thread information into e->aux.
18057 (free_all_edge_infos): Simplify now that e->aux is no longer
18058 used to communicate with thread_through_all_blocks.
18059 * tree-flow.h (thread_through_all_blocks): Update prototype.
18060 (register_jump_thread): Prototype.
18062 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18064 * df-core.c (df_compact_blocks, df_bb_replace): Use
18065 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18067 2006-01-11 Richard Guenther <rguenther@suse.de>
18069 PR tree-optimization/25734
18070 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18071 stop propagation after successful propagation to the LHS.
18073 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18075 * basic-block.h (control_flow_graph): Change the type of
18076 x_basic_block_info to VEC(basic_block,gc) *.
18077 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18079 (SET_BASIC_BLOCK): New.
18080 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18081 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18082 * cfgbuild.c (find_basic_blocks): Likewise.
18083 * cfglayout.c (fixup_reorder_chain): Likewise.
18084 * cfgrtl.c (create_basic_block_structure,
18085 rtl_create_basic_block): Likewise.
18086 * ifcvt.c (find_if_case_1): Likewise.
18087 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18090 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18092 * Makefile.in: Removed rotted odf.c entry.
18094 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18097 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18098 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18099 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18100 output pattern modifier, not %e.
18101 * config/cris/cris.c (cris_op_str): Update comment about pattern
18103 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18104 before falling through into...
18105 <case 'E'>: Redefined from old 'e' case.
18107 2006-01-11 Jan Hubicka <jh@suse.cz>
18110 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18112 2006-01-11 Jan Hubicka <jh@suse.cz>
18114 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18115 * i386.c (x86_decompose_lea): Kill.
18116 (ix86_rtx_costs): Kill.
18118 2006-01-11 Jan Hubicka <jh@suse.cz>
18120 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18121 * cgraph.h (cgraph_node): Add inline_decl.
18122 (cgraph_insert_node_to_hashtable): Declare.
18123 (save_inline_function_body): Declare.
18124 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18126 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18127 (cgraph_function_versioning): Update call of tree_function_versioning.
18128 (save_inline_function_body): New function.
18129 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18130 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18131 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18132 (cgraph_default_inline_p): Likewise.
18133 (cgraph_decide_inlining_incrementally): Likewise.
18134 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18135 (copy_bb): Kill saving; do updating of clones.
18136 (copy_cfg_body): Kill saving.
18137 (initialize_inlined-parameters): Likewise.
18138 (expand_call_inline): Likewise.
18140 (tree_function_versioning): New parameter "update_clones".
18141 (inlining_p): Kill saving.
18142 * tree-inline.h (tree_function_versioning): Update prototype.
18143 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18146 2006-01-11 Ian Lance Taylor <ian@airs.com>
18148 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18149 Allow undoing set of machine mode.
18150 (do_SUBST): Use enums instead of is_int.
18151 (do_SUBST_MODE): New function.
18152 (SUBST_MODE): New macro.
18153 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18154 reg and trying to replace reg_regno_rtx with a new register.
18155 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18156 (simplify_set): Use SUBST_MODE.
18157 (distribute_notes): Remove code that tried to update reg notes
18158 for regno_reg_rtx changes.
18160 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18162 PR tree-optimization/23109
18163 PR tree-optimization/23948
18164 PR tree-optimization/24123
18166 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18167 * tree-cfg.c (single_noncomplex_succ): New.
18168 * tree-flow.h (single_noncomplex_succ): Declare it.
18169 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18170 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18171 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18172 insert_bb, register_division_in, insert_reciprocals,
18173 replace_reciprocal, free_bb): New.
18174 (execute_cse_reciprocals_1): Rewritten.
18175 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18176 Do not commit any edge insertion. Always compute dominators and
18177 create the allocation pool.
18178 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18179 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18180 * targhooks.c (default_min_divistions_for_recip_mul): New.
18181 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18182 * passes.c (init_optimization_passes): Run recip after tree loop
18184 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18186 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18187 Kenneth Zadeck <zadeck@naturalbridge.com>
18189 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18190 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18191 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18192 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18193 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18194 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18195 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18196 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18197 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18198 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18199 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18200 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18201 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18202 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18203 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18204 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18205 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18206 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18207 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18208 DF_SCAN_POST_ALLOC): New macros.
18209 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18210 df_free_bb_function, df_local_compute_function, df_init_function,
18211 df_dataflow_function, df_confluence_function_0,
18212 df_confluence_function_n, df_transfer_function,
18213 df_finalizer_function, df_free_function, df_dump_problem_function,
18214 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18215 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18216 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18217 df_urec_bb_info, ) New types.
18218 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18220 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18221 df_analyze_simple_change_some_blocks,
18222 df_analyze_simple_change_one_block, df_compact_blocks,
18223 df_bb_replace, df_bb_regno_last_use_find,
18224 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18225 df_insn_regno_def_p, df_find_def, df_find_use,
18226 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18227 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18228 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18229 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18230 debug_df_chain, df_get_dependent_problem, df_chain_create,
18231 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18232 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18233 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18234 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18235 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18236 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18237 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18238 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18239 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18240 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18241 df_reorganize_refs, df_set_state, df_hard_reg_init,
18242 df_read_modify_subreg_p) New public functions.
18243 * df-core.c: The core dataflow solver and glue routines for rtl
18245 (df_init, df_add_problem, df_set_blocks, df_finish,
18246 df_hybrid_search_forward, df_hybrid_search_backward,
18247 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18248 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18249 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18250 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18251 df_reg_defined, df_find_use, df_reg_used, df_dump,
18252 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18253 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18254 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18255 debug_df_useno, reset_df_after_reload): New functions.
18256 * df-scan.c: The scanning fuctions, once in df.c, completely
18257 rewritten so that they now fully model the functionality of
18258 register usage at the backend.
18259 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18260 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18261 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18262 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18263 df_get_artificial_defs, df_get_artificial_uses,
18264 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18265 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18266 df_refs_delete, df_reorganize_refs, df_set_state,
18267 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18268 df_def_record_1, df_defs_record, df_uses_record,
18269 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18270 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18271 df_record_exit_block_uses, df_hard_reg_init): New functions.
18273 * df-problems.c: Seven concrete dataflow problems that use the
18274 scanning in df-scan.c and are solved by the engine in df-core.c.
18275 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18276 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18277 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18278 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18279 df_ru_free_bb_info, df_ru_alloc,
18280 df_ru_bb_local_compute_process_def,
18281 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18282 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18283 df_ru_transfer_function, df_ru_free, df_ru_dump,
18284 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18285 df_rd_free_bb_info, df_rd_alloc,
18286 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18287 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18288 df_rd_transfer_function, df_rd_free, df_rd_dump,
18289 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18290 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18291 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18292 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18293 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18294 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18295 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18296 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18297 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18298 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18299 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18300 df_urec_mark_reg_use_for_earlyclobber,
18301 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18302 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18303 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18304 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18305 df_chain_create_bb_process_use, df_chain_create_bb,
18306 df_chain_finalize, df_chain_free, df_chains_dump,
18307 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18308 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18309 df_reg_lifetime): New functions.
18310 * df.c: Deleted file.
18311 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18312 consistent with new df api.
18313 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18314 rest_of_handle_sms): Ditto.
18315 * web.c (unionfind_union, union_defs, entry_register, web_main):
18317 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18318 invariant_expr_equal_p, find_defs, check_dependencies,
18319 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18320 free_inv_motion_data, move_loop_invariants): Ditto.
18321 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18322 Update dependencies.
18323 (odf.c): Added defective entry that was deleted later in day.
18324 * sched-deps.c (sched_analyze_1): Ditto.
18326 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18328 * tree-ssa-operands.c (get_expr_operands): Record addressable
18329 variables directly. Do not call add_stmt_operands for CONST_DECLs
18331 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18332 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18334 2006-01-11 Ben Elliston <bje@au.ibm.com>
18336 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18337 function returns true in the positive case.
18339 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18342 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18343 for SI, DI, SF and DF modes. Add alternatives to copy between
18344 general and floating point registers to the 32-bit patterns.
18345 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18346 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18347 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18348 generating 64-bit code.
18349 * config/pa/pa.c (output_move_double): Handle copies between general
18350 and floating registers.
18352 2006-01-10 Stuart Hastings <stuart@apple.com>
18354 * config/i386/i386.md (set_got): Update.
18355 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18356 (builtin_setjmp_receiver): Mach-O support.
18357 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18358 (GOT_SYMBOL_NAME): Define.
18359 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18360 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18361 * config/i386/i386.c (override_options): Revise for Darwin.
18362 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18363 support. (darwin_x86_file_end): New. (output_set_got): Add label
18364 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18365 * config/i386/i386-protos.h (output_set_got): Likewise.
18366 * config/darwin.c (machopic_legitimize_pic_address): Update
18369 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18371 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18372 when MODE isn't BLKmode.
18374 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18376 PR rtl-optimization/25367
18377 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18379 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18382 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18383 for a negative bound.
18385 2006-01-10 Richard Guenther <rguenther@suse.de>
18387 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18388 Never override with anything constraint.
18390 2006-01-10 Jan Beulich <jbeulich@novell.com>
18392 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18393 256 bits when optimize_size.
18395 2006-01-10 Jan Beulich <jbeulich@novell.com>
18397 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18399 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18400 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18403 2006-01-10 Ben Elliston <bje@au.ibm.com>
18405 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18407 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18408 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18409 (USE_FP_FOR_ARG): Reject decimal float modes.
18410 (function_arg_advance): Likewise.
18411 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18412 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18413 point types in AltiVec vectors.
18414 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18415 (rs6000_libcall_value): Likewise.
18417 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18419 * config/xtensa/ieee754-df.S: New file.
18420 * config/xtensa/ieee754-sf.S: New file.
18421 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18422 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18423 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18425 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18427 * config/sh/predicates.md (binary_float_operator,
18428 binary_logical_operator, commutative_float_operator,
18429 equality_comparison_operator, greater_comparison_operator,
18430 less_comparison_operator, logical_operator,
18431 noncommutative_float_operator, shift_operator,
18432 symbol_ref_operand, unary_float_operator): Remove redundant
18435 2006-01-09 Jeff Law <law@redhat.com>
18437 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18438 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18439 now unused arguments. Callers updated.
18440 (eliminate_redundant_computations): Remove now unused arguments,
18442 (local_fold): Remove, no longer used.
18443 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18445 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18446 (simplify_cond): New function.
18447 (forward_propagate_into_cond): Call simplify_cond.
18449 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18451 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18452 (*vec_extractv2di_1_sse): New.
18454 2006-01-09 Ben Elliston <bje@au.ibm.com>
18456 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18458 2006-01-08 Richard Guenther <rguenther@suse.de>
18460 * tree-ssa-structalias.c (get_constraint_for): Remove
18461 anyoffset argument.
18462 (get_constraint_for_component_ref): Likewise.
18463 (do_deref): Likewise.
18464 (get_constraint_for): Likewise.
18465 (do_structure_copy): Likewise.
18466 (handle_ptr_arith): Likewise.
18467 (find_func_aliases): Likewise. Remove unused need_anyoffset
18470 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18471 Kaz Kojima <kkojima@gcc.gnu.org>
18473 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18474 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18475 (EXTRA_CONSTRAINT_C16): Remove.
18476 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18477 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18478 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18479 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18480 constants of SHmedia. Handle nested constant expressions of
18482 (andcosts): Fix the costs for SHmedia constants.
18483 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18484 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18485 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18486 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18487 (movv4hi_i, movv2si_i): Likewise.
18488 (movsi_const): Adjust the second operand of ior so to match with
18489 the Csu constraint.
18490 (movdi_const, movdi_const_32bit): Likewise.
18491 (movdi_const_16bit+1): Don't sign-extend LOW.
18492 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18494 (*double_shori): Fix the split condition. Use GEN_INT instead
18495 of get_int_mode calls. Mask lower 16-bit of the argument of
18497 (sym2GOTPLT): Remove.
18498 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18500 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18501 instead of EXTRA_CONSTRAINT_C16.
18503 2006-01-07 Ian Lance Taylor <ian@airs.com>
18504 David Edelsohn <edelsohn@gnu.org>
18506 PR rtl-optimization/25662
18507 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18508 for constant operands instead of simplify_gen_binary.
18509 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18510 after trying simplify_binary_operation
18512 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18514 * tree.c (iterative_hash_expr): Hash decls based on UID.
18516 2006-01-06 Eric Christopher <echristo@apple.com>
18518 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18519 (TARGET_UNWIND_EMIT): Fix spelling.
18520 * target.h (gcc_target): Add except_table_label.
18521 * except.c (output_function_exception_table): Use.
18522 * varasm.c (default_emit_except_table_label): New.
18523 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18525 (asm_out): Add here.
18526 * output.h (default_emit_except_table_label): Prototype.
18527 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18528 * config/darwin.c (darwin_emit_except_table_label): Define.
18529 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18531 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18533 PR tree-optimization/18527
18534 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18535 number_of_iterations_special, number_of_iterations_exit):
18536 Move base and step of an iv to a single structure. Add
18537 no_overflow flag, and use it in # of iterations analysis.
18538 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18539 folded_casts argument.
18540 (simple_iv): Pass base and step in a structure. Set no_overflow
18542 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18543 Evaluate expensiveness of computing # of iterations instead of
18544 the final expression.
18545 * tree-scalar-evolution.h (affine_iv): New structure.
18546 (simple_iv): Declaration changed.
18547 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18548 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18549 find_givs_in_stmt): Changed due to simple_iv change.
18551 2006-01-06 Jeff Law <law@redhat.com>
18554 * tree-cfg.c (bsi_replace): Rename final argument from
18555 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18556 change (stmt -> orig_stmt).
18557 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18558 (bsi_remove): Add new argument. Remove EH information
18560 (verify_eh_throw_table_statements): New function.
18561 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18563 * tree-optimize.c (execute_free_cfg_annotations): Verify
18564 the EH throw statement table after removing annotations.
18565 * except.h (verify_eh_throw_table_statements): Prototype.
18566 * tree-flow.h (bsi_remove): Update prototype.
18567 * tree-vrp.c (remove_range_assertions): Add new argument to
18569 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18570 * tree-complex.c (expand_complex_div_wide): Likewise.
18571 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18572 * tree-tailcall.c (eliminate_tailcall): Likewise.
18573 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18574 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18575 * tree-nrv.c (tree_nrv): Likewise.
18576 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18577 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18578 (combine_blocks): Likewise.
18579 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18580 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18581 (cleanup_control_flow): Likewise.
18582 (remove_forwarder_block): Likewise.
18583 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18584 * tree-sra.c (sra_replace): Likewise.
18585 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18586 (forward_propagate_single_use_vars): Likewise.
18587 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18588 * tree-inline.c (expand_call_inline): Likewise.
18589 * tree-vect-transform.c (vect_transform_loop): Likewise.
18590 * tree-outof-ssa.c (rewrite_trees): Likewise.
18591 * tree-cfg.c (make_goto_expr_edges): Likewise.
18592 (cleanup_dead_labels): Likewise.
18593 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18594 (bsi_move_before, bsi_move_after): Likewise.
18595 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18596 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18598 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18601 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18603 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18604 on non gimple variables. Also add checks at the top for decls and
18606 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18608 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18609 and IMAGPART_EXPR for creating MUST_DEFs.
18610 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18611 and NAME_MEMORY_TAG separately from the DECLs.
18613 2006-01-06 Richard Guenther <rguenther@suse.de>
18615 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18616 annotation, if necessary.
18617 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18618 redundant calls to update_stmt.
18619 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18622 2006-01-05 Richard Henderson <rth@redhat.com>
18624 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18626 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18628 * c-typeck.c: Update copyright date.
18630 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18632 * c-typeck.c (build_c_cast): Always warn when casting
18633 from a pointer to an integer of different size, even if
18634 the node was constant.
18636 2006-01-05 Richard Guenther <rguenther@suse.de>
18638 PR tree-optimization/22555
18639 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18640 if one structure field is an array.
18641 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18642 operands even if we found a subvar, but ignore VOPs in this
18644 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18646 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18648 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18650 PR middle-end/24998
18651 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18653 2006-01-05 Richard Guenther <rguenther@suse.de>
18654 Diego Novillo <dnovillo@redhat.com>
18656 * tree-pass.h (TODO_remove_unused_locals): Define.
18657 * gimple-low.c (expand_var_p, remove_useless_vars,
18658 pass_remove_useless_vars): Remove. Update all users.
18659 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18660 (remove_unused_locals): New function.
18661 * tree-flow.h (remove_unused_locals): Declare.
18662 * passes.c (execute_todo): Call remove_unused_locals if
18663 TODO_remove_unused_locals is set.
18664 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18665 * tree-ssa-dce.c (pass_dce): Likewise.
18666 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18668 2006-01-05 Richard Guenther <rguenther@suse.de>
18670 * tree-flow.h (struct fieldoff): Decompose field to
18671 type, size and decl.
18672 * tree-ssa-alias.c (create_sft): Take type as parameter.
18673 (create_overlap_variables_for): Store type, size and decl
18674 in the fieldoff structure.
18675 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18676 of struct fieldoff.
18677 (push_fields_onto_fieldstack): Likewise.
18678 (create_variable_info_for): Likewise. Use offset for the
18679 SFT name if the decl is not available.
18681 2006-01-04 Paul Brook <paul@codesourcery.com>
18683 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18685 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18687 * lambda-code.c (can_put_in_inner_loop): Relax
18689 (can_put_after_inner_loop): New function.
18690 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18691 (perfect_nestify): Change to make copies and modify uses.
18693 2006-01-04 Richard Henderson <rth@redhat.com>
18695 Merge from gomp branch:
18696 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18697 via integer constant.
18698 (pragma_lex): Remove.
18699 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18700 rather than parsing it.
18701 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18702 handle_pragma_extern_prefix): Add %< %> quotes.
18703 (registered_pragmas): New.
18704 (c_register_pragma_1): New.
18705 (c_register_pragma): Use it.
18706 (c_register_pragma_with_expansion): Likewise.
18707 (c_invoke_pragma_handler): New.
18708 (init_pragma): Use cpp_register_deferred_pragma directly for
18710 * c-pragma.h (enum pragma_kind): New.
18711 (pragma_handler): New.
18712 (c_invoke_pragma_handler): Declare.
18713 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18715 * c-common.h (c_common_pch_pragma): Update decl.
18716 * Makefile.in (c-parser.o): Update dependencies.
18717 (GTFILES): Add c-pragma.h.
18718 * c-parser.c (struct c_token): Add pragma_kind.
18719 (struct c_parser): Add in_pragma.
18720 (c_lex_one_token): Always initialize keyword and pragma_kind.
18721 Extract data for CPP_PRAGMA.
18722 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18723 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18724 Don't allow CPP_PRAGMA_EOL if in_pragma.
18725 (c_parser_consume_pragma): New.
18726 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18727 (c_parser_skip_to_end_of_parameter): Likewise.
18728 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18729 (c_parser_skip_to_pragma_eol): New.
18730 (c_parser_external_declaration): Handle CPP_PRAGMA.
18731 (c_parser_compound_statement_nostart): Likewise.
18732 (c_parser_statement_after_labels): Likewise.
18733 (c_parser_pragma): New.
18734 (pragma_lex): Likewise.
18735 (c_parser_pragma_pch_preprocess): New.
18736 (c_parser_new): Merge into ...
18737 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18739 2006-01-04 Jeff Law <law@redhat.com>
18742 * tree-cfg.c (bsi_replace): Remove the original statement
18743 from the EH throw statement table.
18745 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18747 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18748 make the prototype extern "C" and add throw ().
18751 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18752 and pos non-negative and pos + len <= 32.
18753 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18754 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18755 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18758 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18759 as well as sizes not multiple of component size.
18762 * function.c (instantiate_expr): New function.
18763 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18764 walk its DECL_VALUE_EXPR with instantiate_expr.
18766 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18767 DW_OP_deref{,_size} if address isn't going to be added.
18769 2006-01-04 Ben Elliston <bje@au.ibm.com>
18771 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18772 * config/fp-bit.c: Likewise.
18774 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18776 * dominance.c: Add comment about why we use DFS numbering
18779 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18780 Richard Henderson <rth@redhat.com>
18782 Merge from gomp-branch:
18783 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18784 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18786 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18788 PR rtl-optimization/25578
18789 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18790 pass a parameter to simplify_shift_const if changing ASHIFTRT
18793 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18795 * builtins.c (get_builtin_sync_mem): New function.
18796 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18797 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18798 Call get_builtin_sync_mem to generate mem rtx.
18800 2006-01-03 Richard Guenther <rguenther@suse.de>
18803 * stmt.c (add_case_node): Make sure to clear overflow flags
18806 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18808 Merge from gomp-branch.
18809 * config/sparc/sync.md: New file.
18810 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18811 UNSPECV_LDSTUB): New constants.
18812 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18813 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18814 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18817 2006-01-03 Roger Sayle <roger@eyesopen.com>
18819 * combine.c (reg_subword_p): New predicate to test whether the
18820 destination of a set refers to a subword/piece of a register.
18821 (try_combine): Generalize the code to merge the setting of a
18822 pseudo to a constant followed by a set of a subword of that
18823 register to a constant.
18825 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18827 * basic-block.h (control_flow_graph): Change the type of
18828 x_label_to_block_map to VEC(basic_block,gc) *.
18829 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18830 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18832 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18833 VEC(basic_block,heap) *.
18834 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18835 ssa_prop_fini): Adjust the uses of cfg_blocks.
18837 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18839 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18841 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18842 hashing trees instead of a pointer hash.
18843 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18844 compare for MEM_EXPR.
18846 PR rtl-optimization/25130
18847 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18848 when comparing MEMs for GCSE
18850 2006-01-03 Ben Elliston <bje@au.ibm.com>
18852 * targhooks.h (default_decimal_float_supported_p): Declare.
18853 * targhooks.c (default_decimal_float_supported_p): Define.
18854 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18855 `default_decimal_float_supported_p'.
18856 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18858 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18860 * combine.c (apply_distributive_law <SUBREG>): Check
18861 TRULY_NOOP_TRUNCATION.
18863 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18865 * dwarf2out.c (have_switched_text_section): Delete.
18866 (have_multiple_function_sections): New.
18867 (have_location_lists): Make 'bool'.
18868 (add_AT_loc_list): Use 'true' not '1'.
18869 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18870 (output_loc_list): Use have_multiple_function_sections.
18871 (output_ranges): Likewise.
18872 (dwarf2out_begin_function): Set have_multiple_function_sections if
18874 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18875 Check function_section rather than DECL_SECTION_NAME.
18876 (dwarf2out_finish): Use have_multiple_function_sections.
18877 Don't clear have_location_lists.
18879 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18880 Jan Hubicka <jh@suse.cz>
18882 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18883 case of conditional jump jumping to the next instruction.
18884 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18885 cases of conditional jump jumping to the next instruction.
18887 2006-01-02 Jan Hubicka <jh@suse.cz>
18889 * i386.c (*_cost): Add COSTS_N_INSNS.
18890 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18892 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18895 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18897 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18899 * config/arm/arm.c (all_fpus): Fix comment typo.
18900 * config/darwin.c: Likewise.
18901 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18902 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18903 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18905 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18907 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18908 (rs6000_split_compare_and_swapqhi): New.
18909 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18910 (sync_compare_and_swapqhi_internal): New.
18911 * config/rs6000/rs6000-protos.h: Declare.