1 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
6 * config/rs6000/sync.md (lwsync): Emit plain sync if
9 2006-11-17 DJ Delorie <dj@redhat.com>
11 * reload1.c (reloads_unique_chain): New.
12 (reloads_conflict): Call it.
14 2006-11-17 Bob Wilson <bob.wilson@acm.org>
16 * config/xtensa/predicates.md (addsubx_operand): New.
17 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
18 (xtensa_emit_bit_branch): New.
19 (xtensa_emit_movcc): New.
20 * config/xtensa/xtensa.md (any_minmax): New code macro.
21 (minmax): New code attribute.
22 (any_cond, any_scc, any_scc_sf): New code macros.
23 (*addx2, *addx4, *addx8): Delete.
25 (*subx2, *subx4, *subx8): Delete.
27 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
28 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
29 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
30 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
31 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
32 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
33 (movsfcc_internal0, movsfcc_internal1): Likewise.
34 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
35 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
36 (xtensa_emit_bit_branch): New.
37 (xtensa_emit_movcc): New.
38 (function_arg_boundary): Add missing prototype.
40 2006-11-17 Bob Wilson <bob.wilson@acm.org>
42 * config/xtensa/xtensa.md (tstsi): Delete
44 2006-11-17 Bob Wilson <bob.wilson@acm.org>
46 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
48 2006-11-17 Bob Wilson <bob.wilson@acm.org>
50 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
52 2006-11-17 Bob Wilson <bob.wilson@acm.org>
54 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
56 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
58 * tree-vrp.c (execute_vrp): Do not update current_loops.
59 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
60 * doc/loop.texi: Remove documentation for cancelled functions.
61 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
62 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
64 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
65 (remove_path): Ensure that in delete_basic_blocks, the loops
67 (add_loop): Work on valid loop structures.
68 (loopify): Modify call of add_loop.
69 (mfb_update_loops): Removed.
70 (create_preheader): Do not update loops explicitly.
71 (force_single_succ_latches, loop_version): Do not use
73 (loop_split_edge_with): Removed.
74 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
75 Do not use bsi_insert_on_edge_immediate_loop.
76 (split_loop_exit_edge, tree_unroll_loop): Do not use
78 (bsi_insert_on_edge_immediate_loop): Removed.
79 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
80 use loop_split_edge_with.
81 * cfghooks.c: Include cfgloop.h.
82 (verify_flow_info): Verify that loop_father is filled iff current_loops
84 (redirect_edge_and_branch_force, split_block, delete_basic_block,
85 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
87 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
89 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
91 (sms_schedule): Use current_loops.
92 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
93 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
95 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
96 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
97 * ifcvt.c (if_convert): Ditto.
98 * predict.c (predict_loops): Do not clear current_loops.
99 (tree_estimate_probability): Use current_loops.
100 (propagate_freq): Receive head of the region to propagate instead of
102 (estimate_loops_at_level): Do not use shared to_visit bitmap.
103 (estimate_loops): New function. Handle case current_loops == NULL.
104 (estimate_bb_frequencies): Do not allocate tovisit. Use
106 * tree-ssa-loop.c (current_loops): Removed.
107 (tree_loop_optimizer_init): Do not return loops.
108 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
109 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
110 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
111 Do not update loops explicitly.
112 * function.h (struct function): Add x_current_loops field.
113 (current_loops): New macro.
114 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
115 * loop-unroll.c (split_edge_and_insert): New function.
116 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
117 use loop_split_edge_with.
118 * loop-doloop.c (add_test, doloop_modify): Ditto.
119 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
120 * cfglayout.c (copy_bbs): Do not update loops explicitly.
121 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
122 * tree-vect-transform.c (vect_transform_loop): Do not update loops
124 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
125 (flow_loops_free): Do not free dfs_order and rc_order.
126 (flow_loops_find): Do not set dfs_order and rc_order in loops
127 structure. Do not call loops and flow info verification.
128 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
129 already belongs to some loop.
130 * cfgloop.h (struct loops): Remove struct cfg.
131 (current_loops, loop_split_edge_with): Declaration removed.
132 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
133 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
135 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
136 * basic-block.h (split_edge_and_insert): Declare.
137 * tree-cfg.c (remove_bb): Do not update loops explicitly.
139 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
141 PR tree-optimization/29801
142 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
143 (get_default_value): Use get_symbol_constant_value.
144 (set_lattice_value): ICE when the value of the constant is
146 (visit_assignment): Ignore VDEFs of read-only variables.
148 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
150 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
152 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
153 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
155 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
157 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
158 select subvars of var.
160 2006-11-17 Jakub Jelinek <jakub@redhat.com>
163 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
164 optimize if DEF doesn't have integral type.
166 2006-11-16 Mike Stump <mrs@apple.com>
168 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
169 pre-darwin9 system, unless the user asks for it directly.
170 (PREFERRED_DEBUGGING_TYPE): Likewise.
171 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
172 * config.gcc: Add suppport for darwin9.h.
173 * config/darwin9.h: Add.
174 * doc/install.texi (Specific): Clarify darwin documentation.
176 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
178 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
181 2006-11-16 Mike Stump <mrs@apple.com>
183 * Makefile.in (targhooks.o): Add $(OPTABS_H).
185 2006-11-16 Dirk Mueller <dmueller@suse.de>
187 * tree-vrp.c (get_value_range): Use XCNEW instead
189 (insert_range_assertions): Use XCNEWVEC instead
190 of XNEWVEC and memset.
191 (vrp_initialize): Same.
192 (vrp_finalize): Same.
193 * tree-ssa-ccp.c (ccp_initialize): Same.
194 * predict.c (tree_bb_level_predictions): Same.
195 * calls.c (expand_call): Same.
196 * tree-ssa-copy.c (init_copy_prop): Same.
197 (fini_copy_prop): Same.
198 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
199 of GGC_NEW and memset.
201 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
204 * gimplify.c (gimplify_expr): Only force a load for references to
205 non-BLKmode volatile values.
206 * doc/implement-c.texi (Qualifiers implementation): Document the
207 interpretation of what a volatile access is.
208 * doc/extend.texi (C++ Extensions): Rework same documentation.
210 2006-11-16 Joseph Myers <joseph@codesourcery.com>
212 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
215 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
217 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
219 (arm_neg_abssi2): Renamed from neg_abssi2.
220 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
222 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
224 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
225 number of arguments passed to local functions in SSE registers is 3.
227 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
228 number of arguments passed in SSE registers to 3.
230 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
233 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
235 (get_last_bb_insn): ... new global function.
236 (basic_block.h): Declare it.
237 * haifa-sched.c (create_recovery_block): Use it.
239 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
242 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
244 2006-11-15 Paul Brook <paul@codesourcery.com>
246 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
247 _Unwind_GetTextRelBase): Move from here ...
248 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
249 _Unwind_GetTextRelBase): ... To here.
251 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
253 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
254 addresses we generate for testing are aligned.
256 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
259 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
260 to what is the const decl is a place holder for.
262 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
264 * config/i386/i386.opt: New target option -mx87regparm.
266 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
267 and float_in_x87 variables. mmx_words, sse_words: Remove.
268 (X87_REGPARM_MAX): Define.
270 * config/i386/i386.c (override_options): Error out for
271 -mx87regparm but no 80387 support.
272 (ix86_attribute_table): Add x87regparm.
273 (ix86_handle_cconv_attribute): Update comments for x87regparm.
274 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
275 (ix86_function_x87regparm): New function.
276 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
278 (init_cumulative_args): Initialize x87_nregs and float_in_x87
280 (function_arg_advance): Process x87_nregs and x87_regno when
281 floating point argument is to be passed in 80387 register.
282 (function_arg): Pass XFmode arguments in 80387 registers for local
283 functions. Pass SFmode and DFmode arguments to local functions
284 in 80387 registers when flag_unsafe_math_optimizations is set.
286 * reg-stack.c (convert_regs_entry): Disable NaN load for
287 stack registers that are used for argument passing.
289 * doc/extend.texi: Document x87regparm function attribute.
290 * doc/invoke.texi: Document -mx87regparm.
292 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
294 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
295 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
296 arg MODE; all callers changed. Use it to determine validity per
297 machine mode instead of using Pmode for all memory references.
298 (get_address_cost): Likewise add and use new arg MEM_MODE.
300 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
301 J"orn Rennecke <joern.rennecke@st.com>
303 * combine.c (likely_spilled_retval_1): Fix masking operation.
304 (likely_spilled_retval_p): Use proper pattern for call to
305 likely_spilled_retval_1.
307 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
309 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
311 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
312 that tests for CONSTANT_POOL_ADDRESS_P.
314 2006-11-15 Jakub Jelinek <jakub@redhat.com>
316 PR tree-optimization/29581
317 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
318 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
319 type is different between Y and USE, create a temporary
320 variable, initialize it at the beginning of the body bb
321 and use it as replacement instead of Y.
323 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
326 * gimplify.c (fold_indirect_ref_rhs): Use
327 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
329 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
331 * expmed.c (emit_store_flag_1): New function.
332 (emit_store_flag): Call it. If we can't find a suitable scc insn,
334 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
335 Use do_compare_rtx_and_jump.
336 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
337 * arm.md (cstoresi4): New define_expand.
338 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
339 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
340 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
342 2006-11-14 Caroline Tice <ctice@apple.com>
344 * dwarf2out.c (debug_pubtypes_section): New static global variable.
345 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
347 (pubname_table): Redefine as a vector.
348 (pubtype_table): New static global variable, defined as a vector.
349 (pubname_table_allocated): Remove static global variable.
350 (pubname_table_in_use): Remove static global variable.
351 (PUBNAME_TABLE_INCREMENT): Remove constant.
352 (size_of_pubnames): Add parameter to deal with either pubnames or
353 pubtypes, and change code to deal with table being a vector.
354 (add_pubname): Change to deal with table being a vector.
355 (add_pubtype): New function.
356 (output_pubnames): Add parameter to deal with either pubnames or
357 pubtypes, and change code to deal with table being a vector.
358 (gen_array_type_die): Add call to add_pubtype.
359 (gen_enumeration_type_die): Add call to add_pubtype.
360 (gen_struct_or_union_type_die): Add call to add_pubtype.
361 (gen_subroutine_type_die): Add call to add_pubtype.
362 (gen_typedef_die): Add call to add_pubtype.
363 (dwarf2out_init): Add code to initialize pubname_table and
364 pubtype_table vectors; also initialize debug_pubtypes_section.
365 (prune_unused_types): Change to deal with pubnames being a vector.
366 (dwarf2out_finish): Change to deal with pubnames being a vector; add
367 pubnames table to call to output_pubnames; Add code to output pubtypes
368 table if DEBUG_PUBTYPES_SECTION is defined.
369 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
371 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
373 2006-11-14 Joseph Myers <joseph@codesourcery.com>
375 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
376 iwmmxt_nregs if TARGET_IWMMXT_ABI.
377 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
378 movv2si_internal): Support moves between core registers.
380 2006-11-14 Eric Christopher <echristo@apple.com>
382 * configure: Regenerate with autoconf 2.59.
384 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
386 Fix PR tree-optimization/27755
388 * tree-ssa-pre.c: Update comments.
389 (bb_bitmap_sets): Add pa_in and deferred member.
390 (BB_DEFERRED): New macro.
391 (maximal_set): New variable.
392 (pre_stats): Add pa_insert member.
393 (bitmap_set_and): Short circuit orig == dest.
394 (bitmap_set_subtract_values): New function.
395 (bitmap_set_contains_expr): Ditto.
396 (translate_vuses_through_block): Add phiblock argument.
397 (dependent_clean): New function.
398 (compute_antic_aux): Update for maximal_set changes.
399 (compute_partial_antic_aux): New function.
400 (compute_antic): Handle partial anticipation.
401 (do_partial_partial_insertion): New function.
402 (insert_aux): Handle partial anticipation.
403 (add_to_sets): Add to maximal set.
404 (compute_avail): Ditto.
405 (init_pre): Initialize maximal_set.
406 (execute_pre): Do partial anticipation if -O3+.
408 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
410 PR rtl-optimization/29798
412 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
413 TARGET_INSN before any other check.
414 (fwprop_init): Always calculate dominators.
415 (fwprop_done): Always free them.
417 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
419 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
422 2006-11-13 DJ Delorie <dj@redhat.com>
424 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
425 temporary for intermediates.
427 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
429 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
430 (sh_optimize_target_register_callee_saved): #if 0 the code
431 using NOTE_INSN_LOOP_{BEG,END}.
433 2006-11-13 Roger Sayle <roger@eyesopen.com>
435 * fold-const.c (optimize_bit_field_compare): Recursively call
436 fold when simplifying non-constant comparisons between bit-fields.
438 2006-11-13 Jakub Jelinek <jakub@redhat.com>
440 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
442 * configure: Rebuilt.
444 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
446 * config/rs6000/cell.md: New file.
447 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
449 (ppccell_cost): New cost matrix.
450 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
451 (rs6000_override_options): Set rs6000_always_hint to false
452 for cell. Also align functions/lables/loops to 8byte
453 for the Cell. Use PROCESSOR_CELL.
454 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
456 (rs6000_variable_issue): If the insn is a nonpipelined instruction
457 on the Cell, return 0.
458 (rs6000_adjust_cost): Add Cell cost adjustments.
459 (is_microcoded_insn): Return true for Cell microcoded
461 (is_nonpipeline_insn): New function.
462 (rs6000_issue_rate): Add PROCESSOR_CELL.
463 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
465 (rs6000_use_sched_lookahead_guard): New function.
466 (rs6000_sched_reorder): Reorder the ready list, if the second
467 to last ready insn is a nonepipeline insn on the Cell.
468 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
469 (ASM_CPU_SPEC): Add Cell.
470 * config/rs6000/rs6000.md (cpu): Add Cell.
471 (cell_micro): New Attr.
474 2006-11-13 Jakub Jelinek <jakub@redhat.com>
476 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
478 * configure: Rebuilt.
480 2006-11-13 Richard Guenther <rguenther@suse.de>
482 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
484 (ix86_expand_lfloorceil): Likewise.
485 (ix86_expand_rint): Likewise.
486 (ix86_expand_floorceildf_32): Likewise.
487 (ix86_expand_floorceil): Likewise.
488 (ix86_expand_rounddf_32): Likewise.
489 (ix86_expand_truncdf_32): Likewise.
490 (ix86_expand_round): Likewise.
492 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
493 Mark Mitchell <mark@codesourcery.com>
495 * gcc.c: Organize search path variables into $prefix relative,
496 and well-known native. Add comments.
497 (add_sysrooted_prefix): Add comment.
498 (process_command): If !gcc_exec_prefix add $prefix based paths.
499 If *cross_compile == '0', add native well-known paths.
500 Assert tooldir_base_prefix is always relative.
501 (main): If print_search_dirs, and if gcc_exec_prefix is set,
502 use this value for 'install:' path.
503 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
505 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
507 * config/i386/i386.c: Fix a typo in comment.
509 2006-11-13 Michael Matz <matz@suse.de>
511 * genemit.c (gen_expand): Allocate enough memory.
513 2006-11-13 Joseph Myers <joseph@codesourcery.com>
515 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
516 __GXX_TYPEINFO_EQUALITY_INLINE but not
517 __GXX_MERGED_TYPEINFO_NAMES.
518 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
519 __GXX_MERGED_TYPEINFO_NAMES.
520 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
521 __GXX_TYPEINFO_EQUALITY_INLINE.
523 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
524 Zdenek Dvorak <dvorakz@suse.cz>
526 PR tree-optimization/29680
527 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
530 2006-11-12 Jason Merrill <jason@redhat.com>
531 Andrew Pinski <pinskia@physics.uc.edu>
534 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
536 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
538 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
539 * tree.c (build_vector): Handle non-_CST elements.
541 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
543 * genemit.c (gen_insn): Call gen_exp with a non-null used
544 when handling multiple insns.
545 (gen_expand): Likewise.
546 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
547 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
548 (movsi_const_16bit+1): Copy operands[1].
549 (call_pcrel): Copy the call_site pattern.
550 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
552 2006-11-12 Roger Sayle <roger@eyesopen.com>
554 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
555 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
556 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
557 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
559 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
561 Fix PR tree-optimization/29587
562 * tree-ssa-structalias.c (process_constraint): Don't
563 mark address taken due only to escaped vars constraint.
565 2006-11-12 Michael Matz <matz@suse.de>
566 Roger Sayle <roger@eyesopen.com>
568 PR rtl-optimization/29797
569 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
570 BITS_BIG_ENDIAN targets.
572 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
574 * builtins.c (fold_builtin_cosh): New.
575 (fold_builtin_1): Use it.
576 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
577 trunc to the list of "odd" functions. Also add llrint, lrint,
578 rint and nearbyint when flag_rounding_math is false.
580 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
582 * tree-flow.h (name_mappings_registered_p): Declare.
583 * tree-into-ssa.c (name_mappings_registered_p): New function.
584 * tree-cfg.c (tree_can_merge_blocks_p): Check
585 name_mappings_registered_p instead of need_ssa_update_p.
587 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
589 * tree-ssa-loop.c (tree_vectorize): Return the result of
591 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
593 * tree-vectorizer.h (vectorize_loops): Declaration removed.
594 * tree-flow.h (vectorize_loops): Declaration changed.
596 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
598 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
600 (issue_prefetch_ref): Move assignment to write_p out of loop.
601 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
602 SIMULTANEOUS_PREFETCHES into account.
603 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
604 * lambda-code.c (lcm): Renamed to ...
605 (least_common_multiple): ... and exported.
606 * tree-flow.h (least_common_multiple): Declare.
608 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
610 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
611 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
612 ud-chains. Handle AND_EXPR.
613 (record_estimate): Record whether the estimate is realistic
614 and whether it is derived from a loop exit.
615 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
616 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
618 (compute_estimated_nb_iterations): Take only realistic bounds into
619 account. Set estimate_state. Use double_ints.
620 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
621 and infer_loop_bounds_from_signedness. Do not consider basic blocks
622 that do not have to be always executed.
623 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
624 to determine whether to call infer_loop_bounds_from_undefined
625 and compute_estimated_nb_iterations.
626 (n_of_executions_at_most): Use double_ints.
627 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
628 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
629 * double-int.c (double_int_to_tree): Improve comment.
630 (double_int_fits_to_tree_p): New function.
631 * double-int.h (double_int_fits_to_tree_p): Declare.
632 * tree-data-ref.c: Include langhooks.h.
633 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
634 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
635 (analyze_array): Do not pass estimate_only argument to
636 analyze_array_indexes.
637 (get_number_of_iters_for_loop): Build tree from the stored double_int
639 (get_references_in_stmt, find_data_references_in_stmt): New functions.
640 (find_data_references_in_loop): Use find_data_references_in_stmt.
641 * tree-data-ref.h (struct data_ref_loc_d): New.
642 (get_references_in_stmt): Declare.
643 (estimate_iters_using_array): Declaration removed.
644 * cfgloop.h (struct nb_iter_bound): Change type of bound to
645 double_int. Improve comments. Add is_exit and realistic
647 (struct loop): Changed type of estimated_nb_iterations to double_int.
648 Added estimate_state field.
649 (record_estimate): Declaration removed.
651 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
653 * params.c (set_param_value): Initialize the "set" field.
654 * params.h (struct param_info): Add "set" field.
655 (PARAM_SET_P): New macro.
656 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
657 L1_CACHE_LINE_SIZE): New macros.
658 * toplev.c (DEFPARAM): Initialize the "set" field.
659 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
660 SIMULTANEOUS_PREFETCHES): Removed.
661 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
662 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
663 * config/sparc/sparc.c: Include params.h.
664 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
665 L1_CACHE_LINE_SIZE parameters.
666 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
668 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
670 * config/i386/i386.c: Include params.h.
671 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
672 (override_options): Set SIMULTANEOUS_PREFETCHES and
673 L1_CACHE_LINE_SIZE parameters.
674 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
675 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
676 L1_CACHE_LINE_SIZE parameters.
677 * config/ia64/ia64.c (ia64_optimization_options): Set
678 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
679 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
681 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
682 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
683 * doc/invoke.texi: Document new params.
685 2006-11-12 Roger Sayle <roger@eyesopen.com>
687 PR tree-optimization/13827
688 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
691 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
693 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
694 update_single_exit_for_duplicated_loops): New functions.
695 (duplicate_loop_to_header_edge): Use
696 update_single_exit_for_duplicated_loops.
697 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
698 functions only with ENABLE_CHECKING.
700 2006-11-12 Andreas Schwab <schwab@suse.de>
702 * except.c (sjlj_emit_function_enter): Remove unused variable.
704 2006-11-11 Roger Sayle <roger@eyesopen.com>
706 * fold-const.c (int_binop_types_match_p): New function.
707 (size_binop): Relax constraint that both arguments must both have
708 exactly the same sizetype type. Instead use int_binop_types_match_p.
709 (size_diffop): Likewise.
711 (make_range): Use build_int_cst instead of fold_convert.
712 (fold_cond_expr_with_comparison): Use build_int_cst to construct
713 integer constants of the correct type.
714 (fold_div_compare): Likewise.
715 (fold_single_bit_test): Likewise.
716 (fold_binary): Likewise.
717 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
718 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
720 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
723 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
724 non null value if the struct memory access is in the 0th
727 2006-11-12 Jie Zhang <jie.zhang@analog.com>
730 2006-11-11 Jie Zhang <jie.zhang@analog.com>
731 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
734 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
735 instead of builtin_define for bfin and BFIN.
737 2006-11-11 Jie Zhang <jie.zhang@analog.com>
739 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
742 2006-11-11 Jan Hubicka <jh@suse.cz>
744 * extended.texi (__builtin_expect): We no longer require second argument
746 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
747 * builtins.c (expand_builtin_expect): Simplify.
748 (expand_builtin_expect_jump): Kill.
749 * final.c (final_scan_insn): Do not skip the removed notes.
750 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
751 EXPECTED_VALUE): Remove.
752 * dojump.c (do_jump): Do not care about __builtin_expect.
753 * predict.c (expected_value_to_br_prob): Kill.
754 * function.c (expand_function_end): Do not expand
755 NOTE_INSN_REPEATED_LINE_NUMBER.
756 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
757 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
758 * cfgexpand.c (add_reg_br_prob_note): Export.
759 * cfgcleanup.c (rest_of_handle_jump2): Do not call
760 expected_value_to_br_prob.
761 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
762 * rtl.h (add_reg_br_prob_note): Declare.
764 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
768 2006-11-11 Jan Hubicka <jh@suse.cz>
770 * predict.c (predict_loops): Kill RTL variant.
772 2006-11-11 Jan Hubicka <jh@suse.cz>
774 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
775 * modulo-sched.c (find_line_note): Remove.
776 (loop_canon_p): Do not worry about line number notes.
777 (sms_schedule): Likewise.
778 * cse.c (cse_main): Likewise.
779 * regmove.c (fixup_match_1): Likewise
780 * function.c (emit_return_info_block): Likewise.
781 (expand_function_end): Likewise.
782 (thread_prologue_an_epilogue_insns): Likewise.
783 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
785 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
786 emit_note_copy_after): Kill.
787 (emit_note_copy): Do not worry about line numbers.
788 * jump.c (purge_line_number_notes): Kill.
789 (pass_purge_lineno_notes): Kill.
790 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
792 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
793 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
794 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
795 * tree-pass.h (pass_purge_lineno_notes): Kill.
796 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
797 rm_redundant_line_notes.
798 * sched-rgb.c (schedule_region): Don't rm_line_notes,
799 rm_redundant_line_notes.
800 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
801 * haifa-sched.c: Update comment about handling notes.
802 (unlink_line_notes): Kill.
803 (rm_line_notes): Kill.
804 (save_line_notes): Simplify.
805 (rm_redundant_line_notes): Kill.
807 2006-11-11 Richard Guenther <rguenther@suse.de>
809 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
810 Remove unused tree codes.
811 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
812 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
813 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
814 * tree.c (stabilize_reference): Likewise.
815 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
816 fold_unary): Likewise.
817 * tree-gimple.c (is_gimple_cast): Likewise.
818 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
819 * expr.c (expand_expr_real_1): Likewise.
820 * tree-eh.c (tree_could_trap_p): Likewise.
821 * gimplify.c (gimplify_expr): Likewise.
822 * tree-inline.c (estimate_num_insns_1): Likewise.
823 * tree-cfg.c (verify_expr): Likewise.
825 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
827 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
828 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
829 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
831 2006-11-11 Richard Sandiford <richard@codesourcery.com>
834 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
835 constraints accept neither registers or memories.
837 2006-11-11 Jie Zhang <jie.zhang@analog.com>
839 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
840 (NO_PROFILE_COUNTERS): Define as 1.
842 2006-11-10 Roger Sayle <roger@eyesopen.com>
844 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
845 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
847 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
849 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
851 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
853 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
854 (fold_builtin_hypot): Likewise.
855 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
857 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
859 2006-11-10 Roger Sayle <roger@eyesopen.com>
861 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
862 when attempting to build INTEGER_CSTs of non-integral types.
863 * expmed.c (make_tree): Use the correct type, i.e. the inner
864 type, when constructing the individual elements of a CONST_VECTOR.
866 2006-11-10 Jan Hubicka <jh@suse.cz>
868 * cse.c (cse_process_notes): Copy the propagated value.
869 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
871 * gcse.c (try_replace_reg): Copy the replacement.
872 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
873 (assign_386_stack_local): Always return copied memory expression
874 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
877 2006-11-10 Jan Hubicka <jh@suse.cz>
879 * final.c (final): Walk from first instruction.
880 * cfglayout.c (insn_locators_initialize): Remove line number notes.
882 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
885 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
887 (umulv8hi3_highpart): Ditto.
888 (vec_widen_smult_hi_v8hi): New expander.
889 (vec_widen_smult_lo_v8hi): Ditto.
891 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
894 * builtins.c (do_mpfr_arg3): New.
895 (fold_builtin_1): Handle builtins fma, fmin and fmax.
897 2006-11-09 Eric Christopher <echristo@apple.com>
902 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
903 * config.gcc (powerpc64-*-darwin*): New target.
904 * config.host: Ditto.
905 * config/rs6000/darwin64.h: New file.
906 * config/rs6000/x-darwin64: Ditto.
907 * config/rs6000/host-ppc64-darwin.c: Ditto.
909 2006-11-09 Steve Ellcey <sje@cup.hp.com>
911 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
912 routines for integer division.
914 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
916 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
918 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
921 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
923 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
925 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
926 simplify_subreg with BLKmode outer mode.
928 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
930 * doc/invoke.texi: Minor formatting fixes in option lists.
932 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
934 PR tree-optimization/29738
935 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
936 (ccp_lattice_t): Remove UNKNOWN_VAL.
937 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
938 Do not handle UNKNOWN_VAL.
939 (get_default_value): Set initial value of virtual operands to
941 (get_value): Always use get_default_value on uninitialized
943 (set_value_varying, surely_varying_stmt_p): New functions.
944 (set_lattice_value): Do not pass argument to get_value.
945 Do not handle UNKNOWN_VAL.
946 (likely_value): Follow the semantics described in the comment.
947 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
948 phi nodes DONT_SIMULATE_AGAIN.
949 (ccp_fold): Do not pass argument to get_value.
950 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
953 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
955 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
956 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
958 2006-11-08 Roger Sayle <roger@eyesopen.com>
960 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
961 test for inclusion rather than as a test for exclusion.
962 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
963 the condition after calling fold_binary.
964 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
965 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
966 * builtins.c (fold_builtin_isascii): Likewise.
967 (fold_builtin_isdigit): Likewise.
969 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
971 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
972 * configure: Regenerate.
974 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
976 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
977 enum argument instead of bool.
978 (vect_analyze_operations): Call vectorizable_type_promotion.
979 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
980 stmt_vec_info_type value.
981 (supportable_widening_operation, vectorizable_type_promotion): New
982 function declarations.
983 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
984 (vectorizable_type_promotion): New function.
985 (vect_transform_stmt): Call vectorizable_type_promotion.
986 * tree-vect-analyze.c (supportable_widening_operation): New function.
987 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
989 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
992 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
993 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
994 * tree-inline.c (estimate_num_insns_1): Add cases for above new
996 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
997 * expr.c (expand_expr_real_1): Likewise.
998 * optabs.c (optab_for_tree_code): Likewise.
999 (init_optabs): Initialize new optabs.
1000 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1001 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1002 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1003 vec_unpacku_lo_optab): Initialize new optabs.
1004 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1005 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1006 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1008 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1009 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1010 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1011 (vec_unpacku_lo_optab): New optabs.
1012 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1013 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1014 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1015 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1016 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1017 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1019 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1020 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1021 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1022 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1023 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1024 implement the unsigned unpacking patterns.
1025 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1026 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1027 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1028 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1029 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1030 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1031 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1032 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1033 multiplication patterns.
1035 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1036 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1037 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1038 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1039 (rs6000_builtin_mul_widen_odd): New.
1040 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1041 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1042 * tree-vectorizer.h (enum vect_relevant): New enum type.
1043 (_stmt_vec_info): Field relevant chaned from bool to enum
1045 (STMT_VINFO_RELEVANT_P): Updated.
1046 (STMT_VINFO_RELEVANT): New.
1047 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1048 instead of STMT_VINFO_RELEVANT_P.
1049 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1050 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1051 and boolean variable with enum vect_relevant.
1052 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1053 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1054 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1056 2006-11-08 Richard Henderson <rth@redhat.com>
1058 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1059 vec_widen_umult_lo_v8hi): New.
1060 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1061 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1063 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1064 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1065 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1066 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1067 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1068 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1069 vec_unpacks_lo_v4si): New.
1071 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1073 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1074 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1075 (vect_analyze_operations): Call vectorizable_type_demotion.
1076 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1077 stmt_vec_info_type value.
1078 (vectorizable_type_demotion): New function declaration.
1079 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1082 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1083 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1085 * tree-iniline.c (estimate_num_insns_1): Likewise.
1086 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1087 * optabs.c (optab_for_tree_code): Likewise.
1089 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1090 compared against the predicate of the result is not 'mode' (the input
1091 to the function) but a mode with half the size of 'mode'.
1092 (init_optab): Initialize new optabs.
1093 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1095 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1097 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1098 (vec_pack_usat_optab): Initialize new optabs.
1099 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1100 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1102 2006-11-08 Richard Henderson <rth@redehat.com>
1104 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1105 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1106 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1107 (vec_interleave_highv4si, vec_interleave_lowv4si):
1108 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1110 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1112 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1114 (vect_transform_stmt): Removed redundant code.
1116 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1118 * tree-vect-transform.c (vectorizable_operation): Support multiple
1121 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1123 * tree-vect-transform.c (vect_align_data_ref): Removed.
1124 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1125 Updated function documentation. Return the increment stmt in ptr_incr.
1126 (bump_vector_ptr): New function.
1127 (vect_get_vec_def_for_stmt_copy): New function.
1128 (vect_finish_stmt_generation): Create a stmt_info to newly created
1130 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1132 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1133 VF is greater than the number of elements that can fit in one vector
1135 (vectorizable_operation, vectorizable_condition): Likewise.
1136 (vectorizable_store, vectorizable_load): Support the case that the VF
1137 is greater than the number of elements that can fit in one vector word.
1138 (vect_transform_loop): Don't fail in case of multiple data-types.
1139 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1140 in case of multiple data-types; the smallest type determines the VF.
1141 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1142 if they are of different sizes.
1143 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1144 number of elements rather than number of bytes.
1145 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1146 (vect_can_advance_ivs_p): Fix a dump printout
1148 2006-11-07 Eric Christopher <echristo@apple.com>
1150 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1151 (__bswapsi2): Ditto.
1152 * libgcc2.h: Remove transformation of bswap routines.
1153 * config/i386/i386.md (bswapsi2): New.
1156 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1158 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1159 (handle_gnu_inline_attribute): New function.
1160 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1161 (merge_decls, start_decl, start_function): Likewise.
1162 * doc/extend.texi: Document gnu_inline attribute.
1164 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1167 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1168 _fixunstfdi, and _floatditf
1170 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1172 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1174 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1175 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1176 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1177 which start in an odd register.
1179 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1181 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1183 2006-11-07 Josh Conner <jconner@apple.com>
1185 * doc/invoke.texi (fstrict-aliasing): Move implementation
1187 * doc/tree-ssa.texi (Alias analysis): ...here.
1189 2006-11-07 Richard Guenther <rguenther@suse.de>
1191 PR tree-optimization/29610
1192 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1193 of tree_purge_dead_eh_edges as it may free dominators.
1195 * g++.dg/other/pr29610.C: New testcase.
1197 2006-11-07 David Ung <davidu@mips.com>
1199 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1200 costs when optimizing for size.
1201 (override_options): Use mips_rtx_cost_optimize_size table for cost
1204 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1206 * gcc.c (process_command): Treat -b as normal switch if its argument
1209 2006-11-07 David Ung <davidu@mips.com>
1211 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1214 2006-11-06 Eric Christopher <echristo@apple.com>
1216 * config.gcc: Add x86_64-darwin host support.
1217 * config.host: Ditto.
1218 * config/i386/darwin64.h: New file.
1219 * config/i386/t-darwin64: Ditto.
1221 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1223 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1224 and output-exists-not.
1226 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1229 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1230 checking for overflow.
1232 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1234 * configure.ac: Fixed typo in case statement: :: changed to ;;
1236 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1238 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1239 count_leading_zeros, and count_trailing_zeros.
1240 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1241 (TARGET_FOLD_BUILTIN): Define.
1242 (TARGET_EXPAND_BUILTIN): Define.
1243 (xtensa_init_builtins): New.
1244 (xtensa_fold_builtin): New.
1245 (xtensa_expand_builtin): New.
1246 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1247 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1248 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1249 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1250 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1251 (any_extend): New code macro.
1252 (u, su): New code attributes.
1253 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1254 (nsau): Remove; replaced by clzsi2.
1255 (ffssi2): Use clzsi2.
1256 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1257 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1258 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1259 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1260 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1262 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
1264 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
1266 * config/arm/t-strongarm-elf: Likewise.
1267 * config/arm/t-pe: Likewise.
1268 * config/arm/t-arm-elf: Likewise.
1269 * config/arm/t-xscale-elf: Likewise.
1270 * config/arm/t-arm-coff: Likewise.
1271 * config/arm/t-xscale-coff: Likewise.
1272 * config/arm/t-wince-pe: Likewise.
1274 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
1276 * config/sh/lib1funcs-4-300.asm: Guard entire file with
1279 2006-11-05 Jakub Jelinek <jakub@redhat.com>
1282 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
1285 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1288 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
1289 as a valid 80387 constant.
1290 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
1291 * config/i386/i386.md (unnamed splitter): Split the load of
1292 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
1295 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
1297 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
1298 from the soft-frame, argument and virtual registers.
1300 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
1302 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
1303 patterns for standard 80387 constants.
1305 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
1306 Steven Bosscher <steven@gcc.gnu.org>
1308 * fwprop.c: New file.
1309 * Makefile.in: Add fwprop.o.
1310 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
1311 * passes.c (init_optimization_passes): Schedule forward propagation.
1312 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
1314 * timevar.def (TV_FWPROP): New.
1315 * common.opt (-fforward-propagate): New.
1316 * opts.c (decode_options): Enable forward propagation at -O2.
1317 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
1318 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
1319 canon_for_address, table_size): Remove.
1320 (new_basic_block, insert, remove_from_table): Remove references to
1322 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
1323 simplification loop more straightforward by not calling fold_rtx
1325 (equiv_constant): Move here a small part of fold_rtx_subreg,
1326 do not call fold_rtx. Call avoid_constant_pool_reference
1328 * recog.h (canonicalize_change_group): New.
1330 * doc/invoke.texi (Optimization Options): Document fwprop.
1331 * doc/passes.texi (RTL passes): Document fwprop.
1333 2006-11-03 Geoffrey Keating <geoffk@apple.com>
1335 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
1336 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
1337 (grokdeclarator): Likewise.
1339 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
1341 * tree-dump.c (dump_enable_all): Rename local variable
1342 ir_type to avoid name conflicts.
1343 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
1344 instead of using ir_type().
1345 * profile.c (tree_register_profile_hooks): Likewise.
1346 * value-prof.c (tree_register_value_prof_hooks): Likewise.
1347 * basic-block.h (struct edge_def): Likewise.
1348 * config/arm/arm.c (legitimize_pic_address): Likewise.
1349 * coretypes.h (ir_type): New enum of all intermediate languages
1351 * cfghooks.c (ir_type): Rename to...
1352 (current_ir_type): ...this. Distinguish between cfgrtl and
1353 cfglayout mode when the current IR is RTL. Return enum ir_type.
1354 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
1356 2006-11-03 Paul Brook <paul@codesourcery.com>
1358 * config/arm/arm.c (arm_file_start): New function.
1359 (TARGET_ASM_FILE_START): Define.
1360 (arm_default_cpu): New variable.
1361 (arm_override_options): Set arm_default_cpu.
1363 2006-11-03 David Ung <davidu@mips.com>
1365 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
1366 PROCESSOR_24KC and PROCESSOR_24KF.
1367 * config/mips/mips.c (mips_cpu_info_table): Add processor names
1368 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
1369 (mips_rtx_cost_data): Add costs for the 24kc.
1370 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
1371 * config/mips/24k.md: Remove references to 24k and replace with
1372 uses of 24kc/24kf in the appropriate reservations.
1373 * doc/invoke.texi (MIPS Options): Updated.
1375 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1377 * config/sh/crt1.asm: Fix #ifdef indent.
1379 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1380 Merged from STMicroelectronics sources:
1381 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1382 * config/sh/crt1.asm (vbr_600): Add missing #if.
1383 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1384 * sh.opt (mfused-madd): New option.
1385 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1386 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1387 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1388 Remove pointless handler at VBR+0.
1389 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1390 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1391 fr7. Make sure the timer handler is called with the correct FPU
1392 precision setting, according to the ABI.
1393 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1394 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1395 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1396 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1397 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1398 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1399 zero as second operand.
1400 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1401 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1402 Fixed some bugs related to negative values, in particular -0
1403 and overflow at -0x80000000.
1404 * config/sh/divcost-analysis: Added sh4-300 figures.
1405 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1406 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1407 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1408 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1409 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1410 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1412 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1414 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1415 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1416 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1417 mac_mem, mem_mac, dfp_mul, fp_cmp.
1418 (insn_class, dfp_comp, any_fp_comp): Update.
1419 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1420 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1421 (muldf3_i): Likewise.
1422 (movsi_i): Split rI08 alternative into two separate alternatives.
1424 (movsi_ie, movsi_i_lowpart): Likewise.
1425 (movqi_i): Split ri alternative into two separate alternatives.
1427 * sh1.md (sh1_load_store, sh1_fp): Update.
1428 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1429 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1430 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1431 (sh4a_fp_double_arith): Likewise.
1432 * sh4-300.md: New file.
1433 * sh.c (sh_handle_option): Handle m4-300* options.
1434 (sh_adjust_cost): Fix latency of auto-increments.
1435 Handle SH4-300 differently than other SH4s. Check for new insn types.
1436 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1437 been set by an option.
1438 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1439 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1440 (mbranch-cost=): Likewise.
1441 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1443 * sh.md (mulsf3): Remove special expansion code.
1444 (mulsf3_ie): Now a define_insn_and_split.
1445 (macsf3): Allow for TARGET_SH4.
1447 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1448 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1449 (expand_cbranchdi4): Likewise.
1450 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1451 CONST_DOUBLE if the outer code is COMPARE.
1452 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1453 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1454 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1455 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1456 Remove redundant fp_{zero,one}_operand checks.
1457 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1458 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1459 (expand_cbranchdi4): Likewise.
1460 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1461 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1463 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1465 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1468 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1470 * doc/invoke.texi: Fix mfp-trap-mode typo.
1472 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1474 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1475 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1476 file_end_indicate_exec_stack.
1477 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1479 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1480 for a non-executable stack.
1481 * crti.asm: Likewise.
1482 * crtn.asm: Likewise.
1483 * libunwind.S: Likewise.
1485 2006-11-02 Ben Elliston <bje@au.ibm.com>
1487 * tree-ssa.c (warn_uninit): Use expand_location variables for
1488 locus and declaration locus.
1490 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1493 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1494 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1495 cmp{eq,gt,gtu}{si,di}_media.
1496 (*cmpne0si_media): Remove.
1497 (*movsicc_umin): Adjust gen_cmp*_media call.
1498 (unordered): Change the mode of unordered and operands[1] to
1500 (seq): Adjust gen_cmp*_media calls. Make the mode of
1501 a temporary result of compare SImode if needed. If the mode
1502 of operands[0] is DImode, extend the temporary result to DImode.
1503 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1504 (sunorderd): Change the mode of match_operand and unorderd to
1506 (cmpeq{sf,df}_media): Remove.
1507 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1508 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1509 and compare operation to SImode.
1511 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1513 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1515 (sparc64-sun-solaris2*): Likewise.
1517 2006-11-02 Paul Brook <paul@codesourcery.com>
1519 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1520 from priority argument. Use different section for non-default
1522 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1524 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1527 * except.c (switch_to_exception_section): Do not cache the section
1528 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1529 and flag_function_sections is set.
1531 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1534 * builtins.c (do_mpfr_sincos): New.
1535 (fold_builtin_1): Use it to fold builtin sincos.
1537 2006-11-01 Roger Sayle <roger@eyesopen.com>
1539 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1540 it into -D_REENTRANT.
1542 2006-11-01 Roger Sayle <roger@eyesopen.com>
1544 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1545 whether the assembler supports taking the difference of symbols in
1546 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1547 * configure: Regenerate.
1548 * config.in: Regenerate.
1549 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1550 the assembler doesn't support taking the difference of symbols in
1551 different sections, i.e. we're using the native solaris assembler.
1553 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1554 Peter Bergner <bergner@vnet.ibm.com>
1556 * doc/invoke.texi: Add cpu_type power6x
1557 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1558 * config.gcc: Add cpu_type power6x.
1559 * configure.ac: Add test for mf{t,f}gpr instructions.
1560 (HAVE_AS_MFPGPR): New.
1561 * config.in: Regenerate.
1562 * configure: Regenerate.
1563 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1564 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1565 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1566 and mftgpr attributes.
1567 (define_attr "cpu"): Add power6.
1568 Change instruction sequences to use new attributes.
1569 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1570 (fix_truncdfsi2_mfpgpr): New.
1571 (floatsidf_ppc64_mfpgpr): New.
1572 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1573 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1574 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1575 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1576 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1577 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1578 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1579 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1580 cntlz,exts and var_delayed_compare.
1581 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1582 _ARCH_PWR6X, if features enabled.
1583 * config/rs6000/rs6000.opt (mmfpgpr): New.
1584 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1585 (cached_can_issue_more): New variable.
1586 (processor_costs): Add power6_cost.
1587 (rs6000_sched_init): New function.
1588 (is_dispatch_slot_restricted): Deleted.
1589 (set_to_load_agen): New function.
1590 (is_load_insn,is_store_insn): New functions.
1591 (adjacent_mem_locations): New function.
1592 (insn_must_be_first_in_group): New function.
1593 (insn_must_be_last_in_group): New function.
1594 (rs6000_sched_reorder): New function.
1595 (rs6000_sched_reorder2): New function.
1596 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1597 TARGET_SCHED_REORDER2): Define.
1598 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1599 Add power6x. Add MASK_MFPGPR for power6x.
1600 (POWERPC_MASKS): Add MASK_MFPGPR.
1601 (rs6000_override_options): Set rs6000_always_hint to false
1602 for power6. Set rs6000_align_branch_targets. Replace
1603 rs6000_sched_groups check with rs6000_align_branch_targets.
1604 Use PROCESSOR_POWER6.
1605 (last_scheduled_insn): New variable.
1606 (load_store_pendulum): New variable.
1607 (rs6000_variable_issue): Set last_scheduled_insn and
1608 cached_can_issue_more.
1609 (rs6000_adjust_cost): Add power6 cost adjustments.
1610 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1611 with insn_must_be_first_in_group. Add power6 priority adjustments.
1612 (rs6000_issue_rate): Add CPU_POWER6.
1613 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1614 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1615 (TARGET_MFPGPR): New.
1616 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1617 (ASM_CPU_SPEC): Add power6x.
1618 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1620 * config/rs6000/power6.md: New file.
1622 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1624 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1625 HOST_WIDE_INT_PRINT to print high and low parts. Use
1626 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1627 printing a hexadecimal number prefix it with 0x.
1629 2006-11-01 Chris Johns <chris@contemporary.net.au>
1632 * Makefile.in (install-driver): Use exeext when installing
1633 $target-gcc-$version.
1635 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1637 * c-common.c (flag_cpp0x): New.
1638 * c-common.h (flag_cpp0x): New.
1639 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1640 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1641 * c-opts.c (set_std_cxx0x): New.
1642 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1643 * c.opt (std=c++0x): Document.
1644 (std=gnu++0x): Ditto.
1645 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1646 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1648 2006-11-01 Richard Guenther <rguenther@suse.de>
1650 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1652 (ix86_expand_floorceildf_32): Likewise.
1653 (ix86_expand_floorceil): Likewise.
1654 (ix86_expand_trunc): Likewise.
1656 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1658 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1661 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1663 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1665 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1667 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1669 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1670 * configure.ac (use_cxa_atexit): As a special case, don't test
1671 for libc definition of __cxa_atexit on mingw32
1672 * configure: Regenerate.
1673 * config.gcc (i[34567]86-pc-mingw32): Default to
1674 enable__cxa_atexit=yes.
1676 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1678 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1680 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1683 * c-decl.c (start_struct): Don't create self-containing
1685 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1687 * config/rs6000/rs6000-protos.h
1688 (darwin_rs6000_special_round_type_align): New.
1689 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1690 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1692 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1694 * toplev.c (compile_file): Call final_write_globals
1695 even if there have been errors.
1697 2006-10-31 Eric Christopher <echristo@apple.com>
1698 Falk Hueffner <falk@debian.org>
1700 * doc/extend.texi (__builtin_bswap32): Document.
1701 (__builtin_bswap64): Ditto.
1702 * doc/libgcc.texi (bswapsi2): Document.
1704 * doc/rtl.texi (bswap): Document.
1705 * optabs.c (expand_unop): Don't widen a bswap.
1706 (init_optabs): Init bswap. Set libfuncs explicitly
1707 for bswapsi2 and bswapdi2.
1708 * optabs.h (OTI_bswap): New.
1709 (bswap_optab): Ditto.
1710 * genopinit.c (optabs): Handle bswap_optab.
1711 * tree.h (tree_index): Add TI_UINT32_TYPE and
1713 (uint32_type_node): New.
1714 (uint64_type_node): Ditto.
1715 * tree.c (build_common_tree_nodes_2): Initialize
1716 uint32_type_node and uint64_type_node.
1717 * builtins.c (expand_builtin_bswap): New.
1718 (expand_builtin): Call.
1719 (fold_builtin_bswap): New.
1720 (fold_builtin_1): Call.
1721 * fold-const.c (tree_expr_nonnegative_p): Return true
1723 * builtin-types.def (BT_UINT32): New.
1725 (BT_FN_UINT32_UINT32): Ditto.
1726 (BT_FN_UINT64_UINT64): Ditto.
1727 * builtins.def (BUILT_IN_BSWAP32): New.
1728 (BUILT_IN_BSWAP64): Ditto.
1729 * rtl.def (BSWAP): New.
1730 * genattrtab.c (check_attr_value): New.
1731 * libgcc2.c (__bswapSI2): New.
1732 (__bswapDI2): Ditto.
1733 * libgcc2.h (__bswapSI2): Declare.
1734 (__bswapDI2): Ditto.
1735 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1736 * simplify-rtx.c (simplify_const_unary_operation): Return
1738 * libgcc-std.ver (__bwapsi2): Add.
1739 (__bswapdi2): Ditto.
1740 * reload1.c (eliminate_regs_1): Add bswap.
1741 (elimination_effects): Ditto.
1742 * config/i386/i386.h (x86_bswap): New.
1743 (TARGET_BSWAP): Use.
1744 * config/i386/i386.c (x86_bswap): Set.
1746 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1748 * coverage.c (coverage_checksum_string): Update comment.
1749 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1750 of get_file_function_name.
1751 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1752 of get_file_function_name_long.
1753 * tree.c (get_file_function_name): Rename from
1754 get_file_function_name_long; improve comment; handle 'I' and 'D'
1755 specially when the target has ctor/dtor support; remove special
1757 (get_file_function_name): Remove.
1758 * tree.h (get_file_function_name): Rename from
1759 get_file_function_name_long.
1760 (get_file_function_name): Remove prototype.
1762 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1764 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1765 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1767 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1768 Call dsymutil when compiling and linking one or more source files
1771 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1774 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1776 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1778 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1779 inline static functions in c99 mode.
1782 * doc/extend.texi (Inline): Update.
1783 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1784 * c-decl.c (current_extern_inline): Delete.
1785 (pop_scope): Adjust test for an undefined nested function.
1786 Add warning about undeclared inline function.
1787 (diagnose_mismatched_decls): Update comments. Disallow overriding
1788 of inline functions in a translation unit in C99. Allow inline
1789 declarations in C99 at any time.
1790 (merge_decls): Boolize variables. Handle C99 'extern inline'
1792 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1793 C99 inline semantics.
1794 (start_function): Don't clear current_extern_inline. Don't set
1796 (c_push_function_context): Don't push current_extern_inline.
1797 (c_pop_function_context): Don't restore current_extern_inline.
1800 * c-typeck.c (build_external_ref): Warn about static variables
1801 used in extern inline functions.
1802 * c-decl.c (start_decl): Warn about static variables declared
1803 in extern inline functions.
1805 2006-10-31 Roger Sayle <roger@eyesopen.com>
1808 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1809 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1810 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1811 or y is an even integer.
1813 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1816 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1817 * gthr-posix95.h (__gthread_active_p): Likewise.
1819 2006-10-31 Richard Guenther <rguenther@suse.de>
1821 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1822 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1823 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1824 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1825 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1826 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1827 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1828 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1831 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1833 * opts.c (decode_options): Disable CSE skip blocks.
1835 2006-10-30 Dirk Mueller <dmueller@suse.de>
1837 * c-common.h (strict_aliasing_warning): Fix whitespace.
1838 * c-decl (start_function): Move code for main decl warning ..
1839 * c-common.c (check_main_parameter_types): .. here.
1840 * c-common.h (check_main_parameter_types): Declare.
1842 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1845 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1847 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1849 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1850 be a PARALLEL containing sets. Return false when out_pat is not
1853 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1855 * config/mips/mips.md (mul<mode>3): Split into...
1856 (mulsi3, muldi3): ...these separate patterns.
1858 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1860 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1861 but with each set of options separated by spaces.
1863 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1865 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1866 dwarf_reg_size_table has been initialized.
1868 2006-10-30 Roger Sayle <roger@eyesopen.com>
1870 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1871 * ddg.c (print_ddg_edge): Likewise.
1872 * dwarf2out.c (prune_unused_types_walk): Likewise.
1873 * ifcvt.c (noce_try_cmove_arith): Likewise.
1874 * langhooks.c (add_builtin_function): Likewise.
1875 * reg-stack.c (subst_stack_regs_pat): Likewise.
1876 * tree.c (expanded_location): Likewise.
1877 * tree-dump.c (dequeue_and_dump): Likewise.
1879 2006-10-30 David Daney <ddaney@avtrex.com>
1881 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1883 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1885 PR tree-optimization/29637
1886 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1887 of the innertype is the innertype itself.
1889 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1891 * dwarf2out.c (file_name_acquire): Correct typo.
1893 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1895 * tree.h (tree_value_handle): Remove struct value_set declaration.
1896 Change value_set to bitmap_set.
1897 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1898 * tree-vn.c (get_value_handle): Made inline and moved to
1900 * tree-flow-inline.h: (has_stmt_ann): New function.
1901 * tree-ssa-pre.c (expressions): New variable.
1902 (next_expression_id): Ditto.
1903 (alloc_expression_id): New function.
1904 (struct value_set): Remove.
1905 (get_expression_id): New function.
1906 (get_or_alloc_expression_id): Ditto.
1907 (expression_for_id): Ditto.
1908 (clear_expression_ids): Ditto.
1909 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1910 (bb_value_sets): Renamed to bb_bitmap_sets.
1911 All value sets replaced with bitmap_sets.
1913 (BB_VISITED): New macro.
1914 (postorder): New variable.
1915 (add_to_value): Removed.
1916 (value_exists_in_set_bitmap): Ditto.
1917 (value_insert_into_set_bitmap): Ditto.
1920 (set_remove): Ditto.
1921 (set_contains_value): Ditto.
1922 (insert_into_set): Ditto.
1924 (find_leader): Ditto.
1925 (bitmap_set_subtract_from_value_set): Ditto.
1926 (value_insert_into_set): Ditto.
1927 (print_value_set): Ditto.
1928 (debug_value_set): Ditto.
1929 (constant_expr_p): New function.
1930 (bitmap_remove_from_set): Ditto.
1931 (bitmap_insert_into_set): Ditto.
1932 (bitmap_set_free): Ditto.
1933 (vh_compare): Ditto.
1934 (sorted_array_from_bitmap_set): Ditto.
1935 (bitmap_set_subtract): Ditto.
1936 (bitmap_set_equal): Ditto.
1937 (debug_bitmap_set): Ditto.
1938 (find_leader_in_sets): Ditto.
1939 (bitmap_set_replace_value): Modify for bitmapped sets.
1940 (phi_translate): Ditto.
1941 (phi_translate_set): Ditto.
1942 (bitmap_find_leader): Ditto.
1943 (valid_in_sets): Ditto.
1944 (union_contains_value): Ditto.
1946 (compute_antic_aux): Ditto. Mark changed blocks.
1947 (compute_antic): Ditto. Iterate in postorder and only over
1949 (compute_rvuse_and_antic_safe): Reuse postorder.
1950 (create_component_ref_by_pieces): Modify for bitmapped sets.
1951 (find_or_generate_expression): Ditto.
1952 (create_expression_by_pieces): Ditto.
1953 (insert_into_preds_of_block): Ditto.
1954 (changed_blocks): New variable.
1955 (do_regular_insertion): Broken out from insert_aux.
1956 (insert_aux): Modified for bitmapped sets.
1957 (find_existing_value_expr): New function.
1958 (create_value_expr_from): Use it.
1959 (insert_extra_phis): Removed.
1960 (print_bitmap_set): Renamed from bitmap_print_value_set.
1961 (compute_avail): Handle RETURN_EXPR.
1962 (init_pre): Modify for bitmapped sets.
1963 * tree-flow.h (has_stmt_ann): New function.
1965 2006-10-29 Roger Sayle <roger@eyesopen.com>
1967 * builtins.c (fold_builtin_floor): Check for the availability of
1968 the C99 trunc function before transforming floor into trunc.
1970 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1972 * builtins.c (fold_builtin_hypot): Rearrange recursive
1973 transformation before others, and also do ABS_EXPR. When
1974 necessary, check flag_unsafe_math_optimizations. When necessary,
1977 2006-10-29 Roger Sayle <roger@eyesopen.com>
1979 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1980 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1981 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1982 Fold -X eq/ne -Y as X eq/ne Y.
1984 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1986 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1987 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1988 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1989 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1990 Use an inclusive test for "mult" rather than "mul".
1991 (rotr<mode>3): Depend on ISA_HAS_ROR.
1992 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1994 (GENERATE_MULT3_DI): Delete.
1995 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1996 (ISA_HAS_MUL3): New macro.
1997 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1998 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1999 (ISA_HAS_CLZ_CLO): Likewise.
2000 (ISA_HAS_DCLZ_DCLO): Delete.
2001 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2002 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2003 the VR4120 and VR4130.
2004 (ISA_HAS_MACCHI): Use consistent formatting.
2005 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2006 (ISA_HAS_ROR): ...this new macro.
2007 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2008 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2009 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2011 2006-10-29 Roger Sayle <roger@eyesopen.com>
2013 PR tree-optimization/15458
2014 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2017 2006-10-29 Richard Guenther <rguenther@suse.de>
2019 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2020 (ix86_expand_truncdf_32): Likewise.
2021 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2022 trunc inline for SSE math and -fno-trapping-math and if not
2023 optimizing for size.
2024 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2025 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2026 for expanding btrunc inline for SSE math.
2028 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2030 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2031 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2032 i[34567]86-*-solaris2.1[0-9]*.
2033 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2034 Define conditionally depending on TARGET_64BIT_DEFAULT.
2035 (SPEC_32, SPEC_64): Define.
2036 (LINK_SPEC): Use them.
2037 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2039 2006-10-29 Richard Guenther <rguenther@suse.de>
2041 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2042 (ix86_expand_rounddf_32): Likewise.
2043 * config/i386/i386.c (ix86_expand_round): New function expanding
2044 round inline for SSE math and -fno-trapping-math and if not
2045 optimizing for size.
2046 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2047 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2048 round via ix86_expand_round.
2050 2006-10-29 Richard Guenther <rguenther@suse.de>
2052 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2053 (ix86_expand_floorceildf_32): Likewise.
2054 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2055 static helper function.
2056 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2058 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2059 * config/i386/i386.md (floordf2): Adjust to enable floor
2060 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2061 -fno-trapping-math is enabled and if not optimizing for size.
2062 (floorsf2, ceildf2, ceilsf2): Likewise.
2063 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2064 (sse2_maskcmpdf3): Likewise.
2066 2006-10-29 Richard Guenther <rguenther@suse.de>
2068 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2069 rint in case -fno-trapping-math is enabled.
2070 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2071 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2072 (ix86_expand_sse_fabs): Likewise.
2073 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2074 * config/i386/i386.md (rintdf2): Enable for SSE math if
2075 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2076 (rintsf2): Likewise.
2078 2006-10-29 Richard Guenther <rguenther@suse.de>
2080 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2081 to conversion optabs.
2082 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2083 as conversion optab.
2084 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2085 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2086 (lfloor_optab, lceil_optab): Adjust defines.
2087 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2088 lfloor and lceil optabs now being conversion optabs.
2089 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2090 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2091 New static helper function.
2092 (ix86_expand_lfloorceil): New function to expand lfloor and
2094 * config/i386/i386.md (lfloor<mode>2): Split into ...
2095 (lfloorxf<mode>2): ... x87 variant
2096 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2097 using ix86_expand_lfloorceil.
2098 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2100 * doc/md.texi (lfloorMN, lceilMN): Document.
2102 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2104 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2105 -mno-shared assembler option on mips targets.
2106 * configure, config.in: Regenerate.
2107 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2108 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2109 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2111 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2113 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2114 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2116 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2118 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2119 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2122 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2125 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2126 (fold_builtin_pow): Evaluate constant arguments at compile-time
2128 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2129 (do_mpfr_ckconv): New helper function.
2130 (do_mpfr_arg1): Use do_mpfr_ckconv.
2131 (do_mpfr_arg2): New.
2133 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2136 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2137 (-fdump-rtl-sched): Rename to ..
2138 (-fdump-rtl-sched1): here. Also fix file extension number.
2140 2006-10-28 Richard Guenther <rguenther@suse.de>
2142 * fold-const.c (maybe_canonicalize_comparison): Fix code
2145 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2147 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2148 (NON_QI_REG_P): Use IN_RANGE.
2149 (REX_INT_REGNO_P): Use IN_RANGE.
2150 (FP_REGNO_P): Use IN_RANGE.
2151 (SSE_REGNO_P): Use IN_RANGE.
2152 (REX_SSE_REGNO_P): Use IN_RANGE.
2153 (MMX_REGNO_P): Use IN_RANGE.
2154 (STACK_REGNO_P): New macro.
2155 (STACK_REG_P): Use STACK_REGNO_P.
2156 (NON_STACK_REG_P): Use STACK_REGNO_P.
2157 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2158 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2159 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2160 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2161 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2163 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2165 * except.h (output_function_exception_table): Add 'const char*' param.
2166 * except.c (switch_to_exception_section): Add 'const char*' param.
2167 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2168 and flag_function_sections is set, use a function-specific section.
2169 (output_function_exception_table): Add 'const char*' param.
2170 Adjust call to switch_to_exception_section.
2171 * final.c (rest_of_handle_final): Adjust calls to
2172 output_function_exception_table.
2173 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2174 * config.in: Regenerate.
2175 * configure: Likewise.
2177 2006-10-28 Richard Guenther <rguenther@suse.de>
2180 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2181 for maybe_canonicalize_comparison.
2182 (maybe_canonicalize_comparison): New function for canonicalizing
2184 (fold_comparison): Call it to canonicalize comparisons with
2187 2006-10-28 Richard Guenther <rguenther@suse.de>
2190 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2191 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2192 (expand_builtin): Adjust likewise.
2193 * genopinit.c (optabs[]): Add lround optab.
2194 * optabs.c (init_optabs): Initialize lround_optab.
2195 * optabs.h (enum convert_optab_index): Add COI_lround.
2196 (lround_optab): Define.
2197 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2198 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2200 (ix86_expand_lround): New function.
2201 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2203 * doc/md.texi (lroundMN2): Document.
2205 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2208 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2209 argument to HOST_WIDE_INT. Update function prototype.
2210 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2211 "size" argument to HOST_WIDE_INT. Update function prototype.
2213 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2215 * config/i386/i386.c (output_387_ffreep): Create output from a
2216 template string for !HAVE_AS_IX86_FFREEP.
2218 2006-10-27 Eric Christopher <echristo@apple.com>
2220 * config/darwin.c: Fix formatting and grammar.
2222 2006-10-27 Jan Hubicka <jh@suse.cz>
2224 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2225 to be thrown away soon when IGNORE is set.
2226 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2227 indicating when return value shall not be computed.
2228 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2230 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2232 * config/i386/i386.h (TARGET_GEODE):
2233 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2234 (TARGET_CPU_DEFAULT_geode): New macro.
2235 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2236 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2237 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2238 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2239 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2241 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2242 (processor_type): Add PROCESSOR_GEODE.
2244 * config/i386/i386.md: Include geode.md.
2247 * config/i386/i386.c (geode_cost): New initialized global
2249 (m_GEODE, m_K6_GEODE): New macros.
2250 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2251 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2252 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2253 x86_schedule): Use m_K6_GEODE instead of m_K6.
2254 (x86_movx, x86_cmove): Set up m_GEODE.
2255 (x86_integer_DFmode_moves): Clear m_GEODE.
2256 (processor_target_table): Add entry for geode.
2257 (processor_alias_table): Ditto.
2259 * config/i386/geode.md: New file.
2261 * doc/invoke.texi: Add entry about geode processor.
2263 2006-10-27 Mike Stump <mrs@apple.com>
2265 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
2266 __DYNAMIC__ from here back to ...
2267 * config/darwin.h (CPP_SPEC): ... here.
2269 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2270 Nathan Sidwell <nathan@codesourcery.com>
2272 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
2273 when choosing the minimum heapsize.
2275 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
2277 * gcc/unwind-dw2.h: Move cfa-related variables into
2278 struct frame_state_reg_info to ensure that the CFA is properly
2279 handled when executing DW_CFA_{remember,restore}_state.
2280 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
2281 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
2282 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
2283 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
2284 gcc/config/rs6000/linux-unwind.h,
2285 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
2286 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
2287 Modify to use new cfa_* fields.
2289 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
2291 * config/s390/s390.c (s390_init_frame_layout): Check positive
2294 2006-10-26 Ben Elliston <bje@au.ibm.com>
2296 * gimplify.c (get_name): Remove extraneous break.
2297 (gimplify_omp_for): Initialise ret with GS_OK.
2299 2006-10-25 Steve Ellcey <sje@cup.hp.com>
2301 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
2302 Add unix98.o to link line.
2304 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2307 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
2308 Calculate compile-time constants using MPFR.
2309 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
2310 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2312 2006-10-25 Bob Wilson <bob.wilson@acm.org>
2314 * config/xtensa/lib2funcs.S: Use C-style comments.
2316 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
2318 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
2319 (file_table_relative_p): Likewise.
2320 (dwarf2out_finish): Likewise.
2321 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2323 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
2325 * tree-ssa-structalias.c (intra_create_variable_infos):
2326 Don't recreate nonlocal_all if it already exists.
2328 2006-10-25 Richard Guenther <rguenther@suse.de>
2331 * optabs.h (enum optab_index): Remove OTI_lrint.
2332 (enum convert_optab_index): Add COI_lrint.
2333 (lrint_optab): Adjust.
2334 (expand_sfix_optab): Declare.
2335 * optabs.c (expand_sfix_optab): New function.
2336 (init_optabs): Init lrint_optab as conversion optab.
2337 * genopinit.c (lrint_optab): Change to a conversion optab.
2338 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
2339 expansion via conversion optab.
2340 * config/i386/i386.md (*fistdi2_1): Remove
2341 flag_unsafe_math_optimizations guard.
2342 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
2343 fist<mode>2_with_temp): Likewise.
2344 (lrint<mode>2): Split into...
2345 (lrintxf<mode>2): ... x87 part
2346 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
2347 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
2348 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
2349 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
2350 * doc/md.texi (lrintMN2): Document.
2352 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2355 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
2356 Use inc and dec instructions for TARGET_USE_INCDEC.
2357 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
2358 ("sync_double_compare_and_swap<mode>"): Likewise.
2359 ("*sync_double_compare_and_swapdi_pic"): Likewise.
2360 ("*sync_compare_and_swap_cc<mode>"): Likewise.
2361 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
2362 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
2363 ("sync_old_add<mode>"): Likewise.
2364 ("sync_lock_test_and_set<mode>"): Likewise.
2365 ("sync_lock_test_and_set<mode>"): Likewise.
2366 ("sync_add<mode>"): Likewise.
2367 ("sync_sub<mode>"): Likewise.
2368 ("sync_ior<mode>"): Likewise.
2369 ("sync_and<mode>"): Likewise.
2370 ("sync_xor<mode>"): Likewise.
2372 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2374 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2375 (remainder_optab): Define corresponding macro.
2376 (drem_optab): Remove.
2377 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2378 drem_optab initialization.
2379 * genopinit.c (optabs): Implement remainder_optab using
2380 remainder?f3 patterns. Remove drem_optab.
2381 * builtins.c (expand_builtin_mathfn_2): Handle
2382 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2383 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2384 expand_builtin_mathfn_2.
2386 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2387 depend on flag_unsafe_math_optimizations.
2389 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2390 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2391 Do not depend on flag_unsafe_math_optimizations. Use
2392 truncxf?f expander instead of truncxf?f_i387_noop.
2394 ("fpremxf4", "fprem1xf4"): Do not depend on
2395 flag_unsafe_math_optimizations.
2396 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2397 flag_unsafe_math_optimizations. Use truncxf?f expander
2398 instead of truncxf?f_i387_noop.
2400 * doc/md.texi (fmod, remainder): Document standard named pattern.
2402 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2403 David Daney <ddaney@avtrex.com>
2406 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2408 2006-10-25 Ben Elliston <bje@au.ibm.com>
2410 * doc/extend.texi (Variable Attributes): Typo fix.
2412 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2414 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2415 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2416 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2417 (FRAME_POINTER_REGNUM): Update register number to 21.
2418 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2419 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2421 * config/i386/i386.c (regclass_map): Add fpcr entry.
2422 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2424 (print_reg): Assert REGNO (x) != FPCR_REG.
2426 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2427 (DIRFLAG_REG): Renumber.
2428 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2429 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2430 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2431 hardcoded SSE register numbers.
2433 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2434 hardcoded MMX register numbers.
2436 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2439 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2440 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2442 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2443 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2444 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2445 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2447 2006-10-24 Richard Guenther <rguenther@suse.de>
2450 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2451 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2452 for deciding optimizations in consistency with fold-const.c
2453 (fold_builtin_unordered_cmp): Likewise.
2455 2006-10-24 Richard Guenther <rguenther@suse.de>
2457 * builtins.c (fold_builtin_floor): Fold floor (x) where
2458 x is nonnegative to trunc (x).
2459 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2460 nonnegative to FIX_TRUNC_EXPR.
2462 2006-10-24 Richard Guenther <rguenther@suse.de>
2464 PR tree-optimization/29567
2465 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2466 for TRUTH_NOT_EXPR. Clarify comments.
2468 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2471 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2472 at compile-time using MPFR. Change parameter VALUE to FUNC,
2474 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2475 for overflow and underflow at all times and avoid folding in
2478 2006-10-24 Ben Elliston <bje@au.ibm.com>
2480 * reload1.c: Formatting fixes.
2482 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2484 PR tree-optimization/14784
2485 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2486 * tree-ssa-structalias.c (get_constraint_for,
2487 intra_create_variable_infos): Set is_heapvar.
2488 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2489 non-heapvar pointer variables specially.
2491 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2494 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2495 fold_builtin_tan): Fold all constant arguments. Take a "type"
2496 argument as necessary.
2497 (do_mpfr_arg1): New.
2498 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2500 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2502 * config/xtensa/lib1funcs.asm: Use C-style comments.
2504 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2506 * tree.c (local_define_builtin): Replace calls to
2507 lang_hooks.builtin_function with add_builtin_function.
2508 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2510 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2512 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2513 common code to add_builtin_function.
2514 * langhooks.c (add_builtin_function): New function.
2515 (lhd_builtin_function): New function.
2516 * langhooks.h (struct lang_hooks): Change the signature of
2518 (add_builtin_function): New function.
2519 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2520 calls to lang_hooks.builtin_function with add_builtin_function.
2521 * c-common.c (decl_builtin_1): Replace calls to
2522 lang_hooks.builtin_function with add_builtin_function.
2523 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2524 lang_hooks.builtin_function with add_builtin_function.
2525 * config/frv/frv.c (def_builtin): Replace calls to
2526 lang_hooks.builtin_function with add_builtin_function.
2527 * config/s390/s390.c (s390_init_builtins): Replace calls to
2528 lang_hooks.builtin_function with add_builtin_function.
2529 * config/sparc/sparc.c (def_builtin): Replace calls to
2530 lang_hooks.builtin_function with add_builtin_function.
2531 * config/i386/i386.c (def_builtin): Replace calls to
2532 lang_hooks.builtin_function with add_builtin_function.
2533 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2534 lang_hooks.builtin_function with add_builtin_function.
2535 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2536 lang_hooks.builtin_function with add_builtin_function.
2537 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2538 Replace calls to lang_hooks.builtin_function with
2539 add_builtin_function.
2540 * config/iq2000/iq2000.c (def_builtin):
2541 Replace calls to lang_hooks.builtin_function with
2542 add_builtin_function.
2543 * config/ia64/ia64.c (def_builtin): Replace calls to
2544 lang_hooks.builtin_function with add_builtin_function.
2545 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2546 lang_hooks.builtin_function with add_builtin_function.
2547 (altivec_init_builtins): Replace calls to
2548 lang_hooks.builtin_function with add_builtin_function.
2549 * config/arm/arm.c (def_mbuiltin): Replace calls to
2550 lang_hooks.builtin_function with add_builtin_function.
2551 (arm_init_tls_builtins): Replace calls to
2552 lang_hooks.builtin_function with add_builtin_function.
2553 * config/mips/mips.c (mips_init_builtins): Replace calls to
2554 lang_hooks.builtin_function with add_builtin_function.
2555 * config/bfin/bfin.c (def_builtin): Replace calls to
2556 lang_hooks.builtin_function with add_builtin_function.
2557 * langhooks-def.h (lhd_builtin_function): New function.
2558 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2560 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2562 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2563 BUILT_IN_STRNCAT_CHK.
2565 2006-10-23 Jan Hubicka <jh@suse.cz>
2567 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2568 don't do conversion from memmove to memcpy here.
2569 (expand_builtin_bcopy, expand_builtin): Update call of
2570 expand_builtin_memmove.
2571 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2573 2006-10-23 Paul Brook <paul@codesourcery.com>
2575 * stor-layout.c (start_record_layout): maximum_field_alignment
2576 overrides STRUCTURE_SIZE_BOUNDARY.
2578 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2580 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2581 nonlocal function symbols if flag_pic.
2583 2006-10-23 Richard Guenther <rguenther@suse.de>
2587 * builtins.c (fold_binary): Remove checks for flag_wrapv
2588 and flag_trapv where negate_expr_p covers these cases.
2590 2006-10-23 Richard Guenther <rguenther@suse.de>
2593 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2594 of two on the absolute value.
2595 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2596 and negating -C does not overflow.
2598 2006-10-23 Richard Guenther <rguenther@suse.de>
2601 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2602 only if not flag_rounding_math.
2604 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2605 Kaz Kojima <kkojima@gcc.gnu.org>
2608 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2609 SImode memory reference for the source of a movua.
2610 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2611 (movua): Use an unspec instead of sign_extract. Expect the source
2612 to have mode BLKmode.
2613 (extv, insv): Use a BLKmode rather than SImode memory reference
2614 for the source of a movua.
2616 2006-10-22 Jeff Law <law@redhat.com>
2617 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/15911
2620 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2621 (register_edge_assert_for_1): Likewise.
2622 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2623 (find_conditional_asserts): Adjust for new function signature.
2624 (find_assert_locations): Likewise.
2626 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2628 * config/i386/tmmintrin.h: Remove the duplicated content.
2630 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2632 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2633 (x86_64-*-*): Likewise.
2635 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2636 (override_options): Check SSSE3.
2637 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2638 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2639 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2640 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2641 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2642 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2643 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2644 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2645 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2646 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2647 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2648 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2649 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2650 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2651 IX86_BUILTIN_PABSD128.
2652 (bdesc_2arg): Add SSSE3.
2653 (bdesc_1arg): Likewise.
2654 (ix86_init_mmx_sse_builtins): Support SSSE3.
2655 (ix86_expand_builtin): Likewise.
2656 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2658 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2659 (UNSPEC_PSIGN): Likewise.
2660 (UNSPEC_PALIGNR): Likewise.
2661 Include mmx.md before sse.md.
2663 * config/i386/i386.opt: Add -mssse3.
2665 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2666 (ssse3_phaddwv4hi3): Likewise.
2667 (ssse3_phadddv4si3): Likewise.
2668 (ssse3_phadddv2si3): Likewise.
2669 (ssse3_phaddswv8hi3): Likewise.
2670 (ssse3_phaddswv4hi3): Likewise.
2671 (ssse3_phsubwv8hi3): Likewise.
2672 (ssse3_phsubwv4hi3): Likewise.
2673 (ssse3_phsubdv4si3): Likewise.
2674 (ssse3_phsubdv2si3): Likewise.
2675 (ssse3_phsubswv8hi3): Likewise.
2676 (ssse3_phsubswv4hi3): Likewise.
2677 (ssse3_pmaddubswv8hi3): Likewise.
2678 (ssse3_pmaddubswv4hi3): Likewise.
2679 (ssse3_pmulhrswv8hi3): Likewise.
2680 (ssse3_pmulhrswv4hi3): Likewise.
2681 (ssse3_pshufbv16qi3): Likewise.
2682 (ssse3_pshufbv8qi3): Likewise.
2683 (ssse3_psign<mode>3): Likewise.
2684 (ssse3_psign<mode>3): Likewise.
2685 (ssse3_palignrti): Likewise.
2686 (ssse3_palignrdi): Likewise.
2687 (abs<mode>2): Likewise.
2688 (abs<mode>2): Likewise.
2690 * config/i386/tmmintrin.h: New file.
2692 * doc/extend.texi: Document SSSE3 built-in functions.
2694 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2696 2006-10-22 Ira Rosen <irar@il.ibm.com>
2698 * tree-vect-transform.c (vectorizable_load): Use the type of the
2699 return value of the mask_for_load builtin to create realign_load
2702 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2704 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2707 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2709 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2710 (UNSPEC_LDDQU): This.
2711 * config/i386/sse.md (sse3_lddqu): Updated.
2713 2006-10-21 Richard Guenther <rguenther@suse.de>
2715 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2716 (expand_builtin): Use it to expand lrint instead of
2717 expand_builtin_mathfn.
2719 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2722 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2723 flag_unsafe_math_optimizations is set.
2725 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2728 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2729 patterns to use memory input operand in x87->mem->XMM
2730 reload sequences. Skip transformation for TARGET_K8.
2732 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2734 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2735 force operand1 to register if both operands are memory operands.
2736 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2737 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2738 if both operands are memory operands.
2739 (truncdfsf2): Do not force operand1 to register if both operands
2740 are memory operands.
2742 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * Makefile.in (LIBS): Add $(GMPLIBS).
2745 * doc/install.texi: Update GMP and MPFR requirements.
2746 * doc/sourcebuild.texi (need_gmp): Delete.
2748 2006-10-21 Richard Guenther <rguenther@suse.de>
2750 PR tree-optimization/3511
2751 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2752 got new invariant arguments during PHI translation.
2754 2006-10-21 Richard Guenther <rguenther@suse.de>
2757 * fold-const.c (fold_comparison): Fold signed comparisons
2758 of the form X +- C1 CMP Y +- C2.
2760 2006-10-21 Richard Guenther <rguenther@suse.de>
2763 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2764 if flag_unsafe_math_optimizations is specified. We have
2765 flag_finite_math_only for that.
2766 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2767 or flag_unsafe_math_optimizations.
2769 2006-10-21 Richard Guenther <rguenther@suse.de>
2771 * builtins.c (fold_builtin_classify): Fix typo.
2773 2006-10-21 Richard Guenther <rguenther@suse.de>
2776 * simplify-rtx.c (simplify_const_relational_operation):
2777 Do not constant-fold ORDERED and UNORDERED for
2778 flag_unsafe_math_optimizations but only we do not need to
2779 honor NaNs for the given mode.
2781 2006-10-21 Richard Guenther <rguenther@suse.de>
2784 * config/i386/i386.c (classify_argument): Remove redundant
2785 walking of the BINFOs.
2786 (contains_128bit_aligned_vector_p): Likewise.
2788 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2790 * BASE-VER: Set to 4.3.0.
2792 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2794 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2795 (tree_decl_with_vis): Remove artificial_pta_var flag.
2796 * tree-flow.h (referenced_var_check_and_insert): Expose.
2797 (nonlocal_all): New prototype.
2798 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2799 (nonlocal_all): Make global.
2800 (nonlocal_lookup): Remove.
2801 (nonlocal_insert): Ditto.
2802 (create_nonlocal_var): Do not call nonlocal_insert.
2803 (get_nonlocal_id_for_type): Remove.
2804 (find_global_initializers): Mark new vars we find for renaming.
2805 (intra_create_variable_infos): Only create one nonlocal.
2806 (expand_nonlocal_solutions): Remove.
2807 (compute_points_to_sets): Don't call it.
2808 (ipa_pta_execute): Ditto.
2809 (init_alias_heapvars): Don't create nonlocal_for_type.
2810 (delete_alias_heapvars): Don't remove it.
2811 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2814 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2816 * doc/install.texi (Downloading GCC): Clarify mention of
2817 Fortran in the "full distribution" description.
2819 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2821 Fix PR tree-optimization/28778
2822 Fix PR tree-optimization/29156
2823 Fix PR tree-optimization/29415
2824 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2825 (tree_decl_with_vis): Add artificial_pta_var flag.
2826 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2827 pushed into callers.
2828 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2829 (nonlocal_all): Ditto.
2830 (struct variable_info): Add directly_dereferenced member.
2831 (var_escaped_vars): New variable.
2832 (escaped_vars_tree): Ditto.
2833 (escaped_vars_id): Ditto.
2834 (nonlocal_vars_id): Ditto.
2835 (new_var_info): Set directly_dereferenced.
2836 (graph_size): New variable
2837 (build_constraint_graph): Use graph_size.
2838 (solve_graph): Don't process constraints that cannot change the
2839 solution, don't try to propagate an empty solution to our
2841 (process_constraint): Set directly_dereferenced.
2842 (could_have_pointers): New function.
2843 (get_constraint_for_component_ref): Don't process STRING_CST.
2844 (nonlocal_lookup): New function.
2845 (nonlocal_insert): Ditto.
2846 (create_nonlocal_var): Ditto.
2847 (get_nonlocal_id_for_type): Ditto.
2848 (get_constraint_for): Allow results vector to be empty in the case
2849 of string constants.
2850 Handle results of calls properly.
2851 (update_alias_info): Update alias info stats on number and type of
2853 (find_func_aliases): Use could_have_pointers.
2854 (make_constraint_from_escaped): Renamed from
2855 make_constraint_to_anything, and changed to make constraints from
2857 (make_constraint_to_escaped): New function.
2858 (find_global_initializers): Ditto.
2859 (create_variable_info_for): Make constraint from escaped to any
2860 global variable, and from any global variable to the set of
2862 (intra_create_variable_infos): Deal with escaped instead of
2863 pointing to anything.
2864 (set_uids_in_ptset): Do type pruning on directly dereferenced
2866 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2867 (init_base_vars): Fix comment, and initialize escaped_vars.
2868 (need_to_solve): Removed.
2869 (find_escape_constraints): New function.
2870 (expand_nonlocal_solutions): Ditto.
2871 (compute_points_to_sets): Call find_escape_constraints and
2872 expand_nonlocal_solutions.
2873 (delete_points_to_sets): Don't fall off the end of the graph.
2874 (init_alias_heapvars): Initialize nonlocal_for_type and
2876 (delete_alias_heapvars): Free nonlocal_for_type and null out
2879 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2881 * fold-const.c (add_double): Rename to add_double_with_sign.
2882 Add 'unsigned_p' parameter and take it into account for the overflow.
2883 (mul_double): Rename to mul_double_with_sign.
2884 Add 'unsigned_p' parameter and take it into account for the overflow.
2885 (fold_div_compare): Call add_double_with_sign instead of add_double
2886 and mul_double_with_sign instead of mul_double, passing them the
2887 unsignedness of the type.
2888 * tree.h (add_double): Macroize.
2889 (add_double_with_sign): New prototype.
2890 (mul_double): Macroize.
2891 (mul_double_with_sign): New prototype.
2893 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2895 * config/score/crti.asm: New file.
2896 * config/score/crtn.asm: New file.
2897 * config/score/elf.h: New file.
2898 * config/score/mac.md: New file.
2899 * config/score/misc.md: New file.
2900 * config/score/mul-div.S: New file.
2901 * config/score/predicates.md: New file.
2902 * config/score/score7.md: New file.
2903 * config/score/score.c: New file.
2904 * config/score/score-conv.h: New file.
2905 * config/score/score.h: New file.
2906 * config/score/score.md: New file.
2907 * config/score/score-mdaux.c: New file.
2908 * config/score/score-mdaux.h: New file.
2909 * config/score/score-modes.def: New file.
2910 * config/score/score.opt: New file.
2911 * config/score/score-protos.h: New file.
2912 * config/score/score-version.h: New file.
2913 * config/score/t-score-elf: New file.
2914 * config.gcc: Add score*-*-* configurations(Update before).
2915 * doc/invoke.texi (Score Options): New section.
2916 * doc/md.texi (Score family): New section to document constraints.
2918 2006-10-19 Nick Clifton <nickc@redhat.com>
2920 * config/arm/arm.c: Fix spelling typo.
2922 2006-10-18 Tom Tromey <tromey@redhat.com>
2924 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2926 2006-10-18 Jan Hubicka <jh@suse.cz>
2929 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2932 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2934 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2935 TSI_SAME_STMT, since that's the desired entity.
2937 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2939 * config/s390/contraints.md: New file.
2940 * config/s390/s390-protos.h (s390_mem_constraint,
2941 s390_O_constraint_str, s390_N_constraint_str,
2942 s390_float_const_zero_p): Function prototypes added.
2943 * config/s390/s390.c (s390_extra_constraint_str,
2944 s390_const_double_ok_for_constraint_p,
2945 s390_const_ok_for_constraint_p): Functions removed.
2946 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2947 s390_float_const_zero_p): New functions.
2948 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2949 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2950 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2951 Macro definitions removed.
2952 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2953 s390_extra_constraint_str): Functions removed.
2955 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2956 Richard Sandiford <richard@codesourcery.com>
2959 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2960 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2962 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2964 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2965 (DWARF2_FRAME_REG_OUT): Likewise.
2966 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2967 (DWARF2_FRAME_REG_OUT): Likewise.
2969 2006-10-17 Paul Brook <paul@codesourcery.com>
2971 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2973 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2975 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2976 Standardize on "GNU Fortran" as the official name of the Fortran
2979 2006-10-16 Mike Stump <mrs@apple.com>
2981 * doc/invoke.texi (Darwin Options): Document -mkernel.
2982 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2984 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2985 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2986 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2987 (OS_MISSING_ALTIVEC): Add.
2988 * config/i386/i386.c (override_options): Add
2989 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2990 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2991 -mkernel, -static or -mdynamic-no-pic is given.
2992 (C_COMMON_OVERRIDE_OPTIONS): Add.
2993 * config/darwin.opt (fapple-kext): Add.
2995 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2996 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2998 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2999 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3000 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3001 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3002 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3003 (flag_mkernel): Add.
3004 (flag_apple_kext): Add.
3005 (TARGET_KEXTABI): Add.
3006 * config/darwin.c (darwin_handle_kext_attribute): Add.
3007 (DARWIN_VTABLE_P): Add.
3008 (darwin_binds_local_p): Add partial support for rebinding vtables
3010 (darwin_kextabi_p): Add.
3011 (darwin_override_options): Add.
3012 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3013 (darwin_kextabi_p): Add.
3014 (darwin_override_options): Add.
3015 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3016 __DYNAMIC__ and __STATIC__ here.
3018 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3020 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3021 Added mention of "make pdf" target, and Texinfo requirements for
3024 2006-10-16 DJ Delorie <dj@redhat.com>
3026 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3027 into the GOT in case we need a subreg of the address.
3029 2006-10-16 Richard Guenther <rguenther@suse.de>
3032 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3033 SSE builtin documentation. Document SSE2 builtins.
3035 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3037 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3038 symbol in the output file for non-shared links when -nostdlib or
3039 -nodefaultlibs isn't specified.
3041 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3042 posix thread support.
3044 2006-10-15 Jan Hubicka <jh@suse.cz>
3047 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3048 declared always_inline even when not inlining.
3050 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3051 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3052 Andrew Pinski <pinskia@gmail.com>
3055 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3057 2006-10-15 Jan Hubicka <jh@suse.cz>
3058 Richard Guenther <rguenther@suse.de>
3061 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3062 process_function_and_variable_attributes on all variables, including
3063 those discovered during cgraph construction phase.
3065 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3067 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3069 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3071 * config/i386/athlon.md (athlon_fist): Add fisttp.
3073 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3074 Ian Lance Taylor <ian@airs.com>
3077 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3078 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3081 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3083 * config/score/score.c, config/score/score.h: Fix comment
3086 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3089 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3092 2006-10-13 Eric Christopher <echristo@apple.com>
3094 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3096 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3099 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3100 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3101 alignment supported by 32-bit ELF.
3103 2006-10-13 Eric Christopher <echristo@apple.com>
3105 * config/darwin.c (darwin_emit_unwind_label): Strip
3106 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3108 2006-10-13 Richard Guenther <rguenther@suse.de>
3110 PR tree-optimization/29446
3111 * tree-vrp.c (fix_equivalence_set): Remove.
3112 (extract_range_from_assert): Do not call fix_equivalence_set.
3113 (debug_value_range): Print a newline.
3114 (compare_name_with_value): For equivalence sets with
3115 inconsistent value ranges conservatively bail out.
3116 (compare_names): Likewise.
3118 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3120 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3121 and MPFR for gfortran.
3123 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3125 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3126 alignment supported by 32-bit ELF.
3128 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3132 * c-typeck.c (digest_init): Always allow initializing vectors
3133 that have static storage duration with compound literals.
3134 * tree.c (build_type_attribute_qual_variant): New, based on
3135 build_type_attribute_variant.
3136 (build_type_attribute_variant): Rewrite using the former.
3137 (make_vector_type): Use build_type_attribute_qual_variant to build
3138 type variants. Use type_hash_canon on the others.
3140 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3141 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3143 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3145 2006-10-12 Jan Hubicka <jh@suse.cz>
3148 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3149 current_function_decl is set but current_function_scope is not.
3151 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3153 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3154 emit_insn to emit eh_return_internal instruction.
3155 (eh_return_internal): Explicitly set pc.
3157 2006-10-11 Richard Guenther <rguenther@suse.de>
3159 PR tree-optimization/28230
3160 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3161 to the correct place.
3163 2006-10-11 Richard Guenther <rguenther@suse.de>
3166 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3169 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3171 * configure.ac: Added pdf to "Make-hooks"
3172 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3173 targets and *.pdf file patterns in cleanup targets.
3174 * configure: Regenerated.
3176 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3178 * config/avr/predicates.md: New file.
3179 * config/avr/avr.md: Include it.
3180 (REG_SP): New constant.
3181 (peepholes): Use predicates.
3182 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3183 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3184 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3186 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3188 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3191 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3194 * builtins.c (var_decl_component_p): New function.
3195 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3196 single entry optimization to variables and components thereof.
3198 2006-10-10 Richard Guenther <rguenther@suse.de>
3200 PR rtl-optimization/29323
3201 * except.c (set_nothrow_function_flags): For functions
3202 that do not bind local bail out early.
3204 2006-10-10 Ben Elliston <bje@au.ibm.com>
3206 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3209 2006-10-09 Richard Henderson <rth@redhat.com>
3211 Revert emutls patch.
3213 2006-10-09 Richard Guenther <rguenther@suse.de>
3216 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3219 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3222 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3223 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3224 * configure: Regenerate.
3225 * config.in: Regenerate.
3227 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3229 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3231 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3233 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3234 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3235 Remove stray newline.
3237 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3239 * config/mips/mips.c (mips_classify_symbol): Do not return
3240 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3241 (mips_in_small_data_p): Tweak comments.
3243 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3245 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3247 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3249 * gimplify.c, sched-int.h: Fix comment typos.
3251 * sched-int.h: Fix comment typos.
3253 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3255 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3257 * sched-ebb.c (begin_schedule_ready): Use them.
3258 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3259 add_to_speculative_block, create_check_block_twin, speculate_insn,
3260 fix_jump_move, move_block_after_check): Ditto.
3261 * sched-rgn.c (new_ready): Ditto.
3263 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3265 PR rtl-optimization/29128
3266 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
3267 * sched-ebb.c (advance_target_bb): Use it to fix condition to
3268 allow interblock movement of speculation checks.
3270 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
3273 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
3274 casted to integer type.
3275 (get_address_cost): Decrease cost of [symbol + index] addressing modes
3276 if they are significantly more expensive than [reg + index] ones.
3278 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3280 PR tree-optimization/29330
3281 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
3282 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
3283 on newly allocated ddrs.
3284 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
3285 to VEC (loop_p, heap) pointer.
3286 (compute_data_dependences_for_loop): Adjust caller.
3287 (free_dependence_relations): Free DDR_LOOP_NEST.
3289 * tree-loop-linear.c (linear_transform_loops): Don't forget to
3290 free DEPENDENCE_RELATIONS and DATAREFS.
3293 * builtins.c (expand_builtin_sync_operation,
3294 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
3295 Use convert_to_mode to handle promoted arguments.
3297 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3299 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
3301 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
3303 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
3305 2006-10-05 Uros Bizjak <uros@kss-loka.si>
3307 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
3308 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
3309 Use <modeconstraint> instead of "r" as operand 1 constraint.
3311 2006-10-06 Olivier Hainque <hainque@adacore.com>
3313 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
3314 Don't recurse on the pointed-to type.
3315 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
3316 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
3317 types with components of variable size.
3319 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
3321 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
3323 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3325 PR tree-optimization/29290
3326 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
3330 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
3331 * config/i386/predicates.md (local_symbolic_operand): Likewise.
3334 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
3335 the number of vector elements fill the rest with zeros.
3337 2006-10-05 Richard Sandiford <richard@codesourcery.com>
3339 * config/mips/mips.c (mips_pass_by_reference): Do not return false
3340 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
3343 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3345 * config/bfin/bfin.md (subsi3): Lose expander, change previously
3346 unnamed pattern into subsi3. Use correct constraints/predicates.
3347 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
3348 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
3350 2006-10-05 Ira Rosen <irar@il.ibm.com>
3352 * doc/loop.texi: Add data references analysis description.
3354 2006-10-04 Brooks Moses <bmoses@stanford.edu>
3356 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
3358 2006-10-04 Richard Henderson <rth@redhat.com>
3359 Jakub Jelinek <jakub@redhat.com>
3361 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
3362 * builtin-types.def (BT_WORD): Make unsigned.
3363 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
3364 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
3365 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
3366 * c-decl.c (grokdeclarator): Don't error if !have_tls.
3367 * c-parser.c (c_parser_omp_threadprivate): Likewise.
3368 * cgraph.c (decide_is_variable_needed): Look at force_output.
3369 Recurse for emulated tls.
3370 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
3371 checks redundant with decide_is_variable_needed.
3372 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3373 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3375 * expr.c (emutls_var_address): New.
3376 (expand_expr_real_1): Expand emulated tls.
3377 (expand_expr_addr_expr_1): Likewise.
3378 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3379 * output.h (emutls_finish): Declare.
3380 * toplev.c (compile_file): Call it.
3381 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3382 address before wrapping in CONST.
3383 * varasm.c (emutls_htab, emutls_object_type): New.
3384 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3385 (get_emutls_object_name, get_emutls_object_type): New.
3386 (get_emutls_init_templ_addr, emutls_decl): New.
3387 (emutls_common_1, emutls_finish): New.
3388 (assemble_variable): When emulating tls, swap decls; generate
3389 constructor for the emutls objects.
3390 (do_assemble_alias): When emulating tls, swap decl and target name.
3391 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3393 * emutls.c: New file.
3394 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3395 tls_object for real tls.
3397 2006-10-04 Zack Weinberg <zackw@panix.com>
3399 Fix bug in constraint-check generator, reported by Rask Ingemann
3401 * genpreds.c (add_constraint): Don't remove anything from the
3403 (write_tm_constrs_h): Detect whether "op" argument is used, and
3404 mark it ARG_UNUSED if it isn't.
3405 (write_insn_const_int_ok_for_constraint): Skip the part of the
3406 expression that would test whether "op" (which is not available
3407 here) is a CONST_INT.
3409 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3412 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3414 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3416 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3417 current Leopard versions.
3418 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3420 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3422 * doc/install.texi: Fix typos.
3424 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3426 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3427 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3428 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3430 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3432 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3433 arg to be struct mach_header_64* instead.
3435 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3438 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3439 side effects after the outer expression's post side effects.
3441 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3443 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3444 comments to reflect actual behavior and relationship between
3445 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3447 * doc/c-tree.texi (Working with declarations): Fix documentation
3448 of FIELD_DECL likewise.
3450 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3453 * doc/extend.texi: Add used variable attribute description.
3455 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3458 * c.opt (Woverride-init): New.
3459 * c-opts.c (c_common_post_options): Default warn_override_init to
3461 * c-typeck.c (add_pending_init, output_init_element): Warn for
3462 overriding initializers without side effects.
3463 * doc/invoke.texi (-Woverride-init): Document.
3466 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3468 PR rtl-optimization/28096
3469 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3470 assignment has already been used as a destination earlier in the block.
3472 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3474 * builtins.c (expand_builtin_setjmp): Delete.
3475 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3476 <BUILT_IN_SETJMP_SETUP>: New case.
3477 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3478 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3479 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3480 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3481 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3482 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3483 (lower_function_body): Initialize it to false. If it is set to true
3484 at the end of the processing, emit the setjmp dispatcher.
3485 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3486 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3487 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3488 on the rhs of the assignment.
3489 (lower_builtin_setjmp): New function.
3490 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3491 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3492 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3493 to detect calls that can go to non-local labels. Use specific
3494 helper to create the abnormal edges associated with them.
3495 <MODIFY_EXPR>: Likewise.
3496 (make_abnormal_goto_edges): New function extracted from...
3497 (make_goto_expr_edges): ...here. Call it for computed gotos.
3498 (simple_goto_p): Minor tweak.
3499 (tree_can_make_abnormal_goto): New predicate.
3500 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3501 (tree_purge_dead_abnormal_call_edges): New function.
3502 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3503 (tree_purge_dead_abnormal_call_edges): Likewise.
3504 (make_abnormal_goto_edges): Likewise.
3505 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3506 Purge all dead abnormal edges if the call was in the last statement.
3507 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3508 (execute_fixup_cfg): If there are non-local labels in the function,
3509 scan the basic blocks and split them at calls that can go to non-local
3510 labels or add missing abnormal call edges. Write down the CFG in the
3512 (pass_fixup_cfg): Remove TODO_dump_func flag.
3513 * unwind-sjlj.c: Poison setjmp.
3514 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3515 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3516 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3517 (DONT_USE_BUILTIN_SETJMP): Document it.
3519 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3522 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3523 to 1 when __ppc64__ is defined.
3524 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3526 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3528 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3530 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3531 * config/ia64/unwind-hpux.c: Delete.
3533 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3535 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3536 on the element before gimplifying it, instead of punting if it is of
3539 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3541 * doc/loop.texi: New file.
3542 * doc/gccint.texi: Reference loop.texi.
3543 * Makefile.in (loop.texi): Add.
3545 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3547 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3549 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3550 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3552 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3554 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3556 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3558 * doc/install.texi: Document required versions of GMP and MPFR.
3560 2006-09-27 Paul Brook <paul@codesourcery.com>
3563 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3565 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3567 * reload1.c (alter_reg): Require the alignment of the stack slot to
3568 be at least reg_max_ref_width bytes.
3569 (scan_paradoxical_subregs): Record the largest width in
3572 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3576 * tree-nested.c (struct nesting_info): Added static_chain_added.
3577 (convert_call_expr): Set static_chain_added when adding static
3578 chain. Handle OMP_PARALLEL and OMP_SECTION.
3580 2006-09-25 Matthias Klose <doko@debian.org>
3582 * doc/invoke.texi: Add missing full stop.
3584 2006-09-25 Richard Henderson <rth@redhat.com>
3586 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3587 before cgraph_function_flags_ready.
3589 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3590 Adam Nemet <anemet@caviumnetworks.com>
3592 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3593 determine_common_wider_type): New functions.
3594 (get_computation_aff): Use them to simplify arithmetic between
3595 UBASE and CBASE if they are shortened from the same type.
3597 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3600 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3601 -2147483647 - 1 instead of 0x80000000.
3603 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3605 * flags.h (HONOR_NANS): Fix typo in comment.
3607 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3609 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3611 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3615 * tree.c (merge_attributes, attribute_list_contained): If both
3616 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3618 * c-typeck.c (comptypes_internal): Don't consider aggregates
3619 in different TUs as compatible if there one set of attributes is
3620 not a subset of the other type's attributes.
3621 (composite_type): Try harder not to create a new aggregate type.
3623 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3625 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3626 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3627 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3628 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3629 than replicating condition above.
3630 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3632 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3633 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3634 the linker by default.
3636 2006-09-22 Mike Stump <mrs@apple.com>
3638 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3641 2006-09-22 Richard Guenther <rguenther@suse.de>
3644 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3645 sort of stack variables stable.
3647 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3650 * explow.c (force_reg): Set REG_POINTER flag according to
3653 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3655 PR tree-optimization/28888
3656 * tree-if-conv.c (combine_blocks): Rewritten.
3657 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3658 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3660 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3662 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3665 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3667 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3669 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3671 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3673 2006-09-21 Roger Sayle <roger@eyesopen.com>
3676 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3677 dw_fde_current_label, to be the start of the function, i.e. the same
3678 value as dw_fde_begin.
3680 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3682 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3683 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3684 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3685 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3686 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3687 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3688 (abs<mode>2, neg<mode>2): Likewise.
3689 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3690 (*mips_abs_ps): New define_insn.
3692 2006-09-20 Josh Conner <jconner@apple.com>
3695 * calls.c (expand_call): Allow reuse of structure return stack
3698 2006-09-20 Paul Brook <paul@codesourcery.com>
3700 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3703 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3705 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3706 clean up terminology.
3708 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3711 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3712 with tablejumps in them.
3714 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3717 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3718 wrap it into TARGET_EXPR.
3720 2006-09-20 Eric Christopher <echristo@apple.com>
3722 * config/i386/i386.c (x86_fisttp): Remove.
3723 * config/i386/i386.h (x86_fisttp): Ditto.
3724 (TARGET_FISTTP): Ditto.
3726 2006-09-19 Eric Christopher <echristo@apple.com>
3728 * doc/tm.texi (OBJC_JBLEN): Describe.
3729 * config/i386/darwin.h (OBJC_JBLEN): Define.
3730 * config/rs6000/darwin.h: Ditto.
3732 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3734 PR rtl-optimization/21299
3735 * reload1.c (reload): Purge invalid ASMs in the final pass.
3737 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3740 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3741 pointers as legitimate constants.
3743 2006-09-19 Paul Brook <paul@codesourcery.com>
3746 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3748 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3750 PR tree-optimization/28887
3751 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3752 component parts from the reference.
3753 (gather_memory_references_ref): Record the reference without the
3754 nonaddressable component parts.
3756 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3759 * c-opts.c (c_common_handle_option): Ignore the -std options
3760 if the input language is assembly.
3762 2006-09-17 Ira Rosen <irar@il.ibm.com>
3765 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3767 (ptr_ptr_may_alias_p): Likewise.
3768 (record_record_differ_p): New function.
3769 (base_object_differ_p): Call record_record_differ_p.
3771 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3774 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3775 away for the expr argument.
3777 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3780 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3781 before using it for dumping after vectorizing loops.
3783 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3784 Jack Howarth <howarth@bromo.med.uc.edu>
3787 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3788 skip on error_mark_node.
3789 (rs6000_darwin64_record_arg_recurse): Likewise.
3791 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3793 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3794 * doc/rtl.texi: Remove related documentation.
3796 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3798 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3801 2006-09-15 Jim Wilson <wilson@specifix.com>
3803 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3804 Handle symbol offsets same as they are handled in ia64_expand_move
3807 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3809 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3810 Add forgotten parameter to the fprintf call.
3812 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3814 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3816 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3818 * doc/contrib.texi: Add my entry.
3820 2006-09-15 Nick Clifton <nickc@redhat.com>
3822 * doc/md.texi (Processor pipeline description): Fix typo in
3823 example of how to use the absence_set directive and reword the
3824 description to make it slightly easier to read.
3826 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3828 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3829 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3830 expanding the number of iterations.
3831 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3833 * cfgrtl.c (emit_insn_at_entry): New function.
3834 * rtl.h (emit_insn_at_entry): Declare it.
3835 * integrate.c (emit_initial_value_sets): Use it.
3837 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3839 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3841 (struct loop_work and related VEC declarations): Delete.
3842 (bfin_dump_loops): Print out new member bad.
3843 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3844 (bfin_scan_loop): Don't recurse.
3845 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3846 loops. No longer need to update outer loops if the current one is
3847 found bad. Move some validitiy checks to bfin_discover_loop.
3848 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3849 but changed not to check for nesting. Also changed to use the new bad
3851 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3852 time. Use bitmap based test to discover loop nesting.
3854 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3856 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3859 2006-09-14 Richard Guenther <rguenther@suse.de>
3860 Kazu Hirata <kazu@codesourcery.com>
3862 PR middle-end/28884.
3863 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3864 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3865 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3866 with TARGET_FUNCTION_VALUE.
3868 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3871 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3873 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3875 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3878 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3881 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3884 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3886 * basic_block.h (bb_has_eh_pred): Fix comment.
3888 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3890 * flow.c (calculate_global_regs_live): Invalidate eh registers
3891 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3892 (propagate_block): Handle eh registers as if they were set at basic
3894 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3896 * global.c (global_conflicts): Make eh registers to conflict with
3897 pseudos live at basic block begin.
3898 * basic_block.h (bb_has_eh_pred): New function.
3900 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3902 PR rtl-optimization/28982
3903 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3904 index of a PRE_MODIFY or POST_MODIFY address.
3905 * reload1.c (inc_for_reload): Use find_replacement on the original
3906 base and index registers.
3908 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3910 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3911 for -Os. Update __m128 alignment requirement.
3913 2006-09-13 Jan Hubicka <jh@suse.cz>
3915 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3917 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3919 PR rtl-optimization/28243
3920 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3921 the insn to which the note was originally attached.
3923 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3924 Roger Sayle <roger@eyesopen.com>
3926 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3927 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3928 on platforms that don't use dwarf for debug info.
3930 2006-09-12 Jason Merrill <jason@redhat.com>
3933 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3934 hard_frame_pointer_rtx after using it to update the frame pointer.
3936 2006-09-12 Roger Sayle <roger@eyesopen.com>
3938 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3939 (TARGET_ASM_CLOSE_PAREN): Likewise.
3940 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3941 (TARGET_ASM_CLOSE_PAREN): Likewise.
3943 2006-09-12 Roger Sayle <roger@eyesopen.com>
3946 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3947 frame information for frames larger than 512 Kbytes on Tru64 when
3948 using the native assembler.
3950 2006-09-12 Roger Sayle <roger@eyesopen.com>
3954 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3955 and symbols. Instead use the implementation from cse.c's hash_rtx.
3957 2006-09-12 Jan Hubicka <jh@suse.cz>
3959 PR rtl-optimization/28071
3960 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3961 (vect_transform_loop): Likewise.
3962 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3963 (new_loop_vec_info): Likewise.
3964 (destroy_loop_vec_info): Likewise.
3965 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3966 (create_stmt_ann): Likewise.
3967 (create_tree_ann): Rename to ...
3968 (create_tree_common_ann): ... this one; allocate only the common part
3970 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3971 (get_value_handle): Likewise.
3972 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3973 get_tree_common_ann.
3974 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3975 (vinfo_for_stmt): Use stmt annotations.
3976 * tree-flow.h (tree_ann_common_t): New type.
3977 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3978 (tree_ann, get_tree_ann, create_tree_ann): New.
3979 * tree-flow-inline.h (get_function_ann): Do more type checking.
3980 (stmt_ann): Likewise.
3981 (tree_ann): Rename to ...
3982 (tree_common_ann): ... this one; return ony common_ann
3983 (get_tree_ann): Rename to ...
3984 (tree_common_ann): This one; return only common_ann.
3985 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3988 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3990 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3991 with_cpu by default.
3993 * dwarf2out.c (dwarf_file_data): New.
3994 (enum dw_val_class): Add dw_val_class_file.
3995 (struct dw_val_struct): Add val_file.
3996 (file_table): Change to a hash table.
3997 (file_table_emitted): Delete.
3998 (file_table_last_lookup_index): Delete.
3999 (emitcount): Delete.
4000 (last_emitted_file): New.
4001 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4002 (init_file_table): Delete.
4003 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4004 (AT_addr): Add comment.
4008 (print_die): Handle dw_val_class_file.
4009 (print_dwarf_line_table): Update for new file table structure.
4010 (attr_checksum): Do checksum a filename.
4011 (same_dw_val_p, same_attr_p): Do compare a filename.
4012 (size_of_die): Handle dw_val_class_file.
4013 (value_format): Likewise.
4014 (output_die): Likewise. Also, call maybe_emit_file here.
4015 (struct file_info): Constify filenames. Make file_idx a pointer
4016 to a struct dwarf_file_data.
4017 (struct dir_info): Constify directory names. Remove 'used' field.
4018 (struct file_name_acquire_data): New.
4019 (file_name_acquire): New.
4020 (output_file_names): Modify to handle new file data structures.
4021 (add_src_coords_attributes): Use add_AT_file.
4022 (add_call_src_coords_attributes): Likewise.
4023 (dwarf2out_imported_module_or_decl): Likewise.
4024 (gen_subprogram_die): Modify for new file data structures.
4025 (gen_variable_die): Likewise.
4026 (file_table_eq): New.
4027 (file_table_hash): New.
4028 (file_table_last_lookup): New.
4029 (lookup_filename): Rewrite to handle new file data structures.
4030 (maybe_emit_file): Rewrite to handle new file data structures.
4031 (dwarf2out_source_line): Always call lookup_filename and
4033 (dwarf2out_init): Create file_table here.
4034 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4035 (file_table_relative_p): New.
4036 (dwarf2out_finish): Change detection of relative filenames
4037 to work with new file data structures. Move output_line_info call
4038 after debug_info output.
4040 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4045 * config/i386/i386.c (override_options): Always default to 16
4046 byte stack boundary.
4048 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4051 * var-tracking.c (dump_dataflow_set): Start dumping at
4053 (clobber_variable_part): Kill only the variable part in
4054 registers holding it, leaving other variables alone.
4056 2006-09-11 Josh Triplett <josh@freedesktop.org>
4058 * doc/extend.texi (Other Builtins): Actually use the macro
4059 argument in the documentation example for
4060 __builtin_types_compatible_p.
4062 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4064 PR rtl-optimization/28726
4065 * sched-deps.c (sched_analyze_reg): New function extracted from...
4066 (sched_analyze_1): ...here. Call it to analyze references to
4067 registers. Treat again writes to a stack register as writing to the
4069 (sched_analyze_2): ...and here. Call it to analyze references to
4070 registers. Treat again reads of a stack register as reading the
4073 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4074 David Edelsohn <edelsohn@gnu.org>
4077 * config/rs6000/spe.md (frob_df_di): Remove %H.
4078 (frob_di_df): Remove %H. Change evmergelo to mr.
4079 (frob_di_df_2): Remove %H. Change evldd to two loads.
4081 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4083 * doc/cpp.texi: Fix names of charset options.
4085 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4088 * config/i386/i386.c (override_options): Use 128-bit
4089 stack boundary always for 64bits.
4091 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4093 PR rtl-optimization/28636
4094 * combine.c (force_to_mode): Test for side-effects before
4095 substituting by zero.
4096 (simplify_shift_const): Likewise for zero or other constants.
4098 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4101 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4104 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4107 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4108 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4109 returned by mode_for_size, rather than the mode of src itself,
4110 to choose between 32-bit and 64-bit patterns.
4111 (mips_mem_fits_mode_p): New function.
4112 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4113 that the size of the source matches the size of the destination.
4114 (mov_<store>l, mov_<store>r): Likewise.
4116 2006-09-10 Eric Christopher <echristo@apple.com>
4118 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4121 2006-09-09 Eric Christopher <echristo@apple.com>
4124 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4127 2006-09-09 Roger Sayle <roger@eyesopen.com>
4128 Nicolas Setton <setton@adacore.com>
4130 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4132 2006-09-10 Andreas Schwab <schwab@suse.de>
4134 * config/m68k/m68k.md (bungt_rev): New pattern.
4136 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4137 Dale Johannesen <dalej@apple.com>
4140 * regclass.c (struct reg_pref): Update documentation.
4141 (regclass): Set prefclass to NO_REGS if memory is the best option.
4142 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4144 2006-09-08 Eric Christopher <echristo@apple.com>
4146 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4147 * config/t-slibgcc-darwin: Support x86_64 multilib.
4148 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4149 Return 1 for x86_64-darwin.
4150 * config/i386/t-darwin: Add m64 multilib.
4151 (LIB2_SIDITI_CONV_FUNCS): Use.
4152 (LIB2FUNCS_EXTRA): Ditto.
4153 * config/i386/darwin.h: Support x86_64.
4154 * config/i386/i386.c (override_options): Turn on flag_pic
4155 for x86_64-darwin. Disable flag_omit_pointer.
4156 (get_pc_thunk_name): Assert !TARGET_64BIT.
4157 (legitimate_address_p): Disable machopic addressing for
4159 (legitimize_pic_address): Ditto.
4160 (ix86_expand_move): Ditto.
4161 (ix86_expand_call): Ditto.
4162 (machopic_output_stub): Ditto.
4163 * config/darwin.c (machopic_select_section): Support literal16.
4164 (machopic_select_rtx_section): Ditto.
4165 * config/darwin-sections.def: Ditto.
4166 * config/darwin-64.c: New.
4168 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4171 * c-tree.h (struct c_arg_info): Add pending_sizes.
4172 * c-parser.c (c_parser_parms_declarator,
4173 c_parser_parms_list_declarator): Initialize pending_sizes.
4174 * c-decl.c (get_parm_info): Initialize pending_sizes.
4175 (get_parm_info): Set pending_sizes.
4176 (grokdeclarator): Call put_pending_sizes for parameters for
4177 function definition only.
4179 2006-09-07 Jason Merrill <jason@redhat.com>
4182 * varasm.c (output_constant): Only strip actual no-op conversions.
4185 * config/i386/i386.c (override_options): Use 128-bit
4186 stack boundary if -msse.
4188 2006-09-07 Eric Christopher <echristo@apple.com>
4190 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4192 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4195 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4197 * dwarf2out.c: Remove strange characters from comment above
4198 dwarf2out_frame_debug_expr.
4200 2006-09-07 Eric Christopher <echristo@apple.com>
4202 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4203 * config/darwin.h: ... to here.
4205 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4207 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4209 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4210 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4212 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4213 TARGET_PARTIAL_FLAG_REG_STALL.
4214 (*ashldi3_cconly_rex64): Likewise.
4215 (*ashlsi3_cmp): Likewise.
4216 (*ashlsi3_cconly): Likewise.
4217 (*ashlsi3_cmp_zext): Likewise.
4218 (*ashlhi3_cmp): Likewise.
4219 (*ashlhi3_cconly): Likewise.
4220 (*ashlqi3_cmp): Likewise.
4221 (*ashlqi3_cconly): Likewise.
4222 (*ashrdi3_cmp_rex64): Likewise.
4223 (*ashrdi3_cconly_rex64): Likewise.
4224 (*ashrsi3_cmp): Likewise.
4225 (*ashrsi3_cconly): Likewise.
4226 (*ashrsi3_cmp_zext): Likewise.
4227 (*ashrhi3_cmp): Likewise.
4228 (*ashrhi3_cconly): Likewise.
4229 (*ashrqi3_cmp): Likewise.
4230 (*ashrqi3_cconly): Likewise.
4231 (*lshrdi3_cmp_rex64): Likewise.
4232 (*lshrdi3_cconly_rex64): Likewise.
4233 (*lshrsi3_cmp): Likewise.
4234 (*lshrsi3_cconly): Likewise.
4235 (*lshrsi3_cmp_zext): Likewise.
4236 (*lshrhi3_cmp): Likewise.
4237 (*lshrhi3_cconly): Likewise.
4238 (*lshrqi2_cmp): Likewise.
4239 (*lshrqi2_cconly): Likewise.
4241 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4244 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4245 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4246 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4247 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4248 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4249 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4250 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4251 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4252 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4253 implement only CC setting effects of shift instructions.
4255 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4257 * doc/contrib.texi: Add myself.
4259 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4262 * stor-layout.c (relayout_decl): Don't zero the alignment if it
4263 was set by the user.
4265 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
4268 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
4269 (divsi_inv_m1): Use them.
4270 (UNSPEC_DIV_INV_TABLE): New constant.
4272 2006-09-06 James E Wilson <wilson@specifix.com>
4275 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
4276 then call count_or_remove_death_notes.
4278 2006-09-06 Jason Merrill <jason@redhat.com>
4281 * tree-inline.c (copy_result_decl_to_var): New fn.
4282 (declare_return_variable): Use it. Call declare_inline_vars here.
4283 (expand_call_inline): Not here.
4285 2006-09-06 Diego Novillo <dnovillo@redhat.com>
4287 * doc/contrib.texi: Update my entry.
4289 2006-09-06 Nick Clifton <nickc@redhat.com>
4291 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
4293 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4296 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
4297 (canonicalize_induction_variables): Likewise.
4298 (tree_unroll_loops_completely): Likewise.
4299 (tree_ssa_prefetch_arrays): Likewise.
4300 (remove_empty_loops): Likewise.
4301 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
4302 TODO_cleanup_cfg instead of directly calling
4303 cleanup_tree_cfg_loop.
4304 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
4306 (tree_unroll_loops_completely): Likewise.
4307 (remove_empty_loops): Likewise.
4308 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
4309 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
4310 of tree_ssa_unswitch_loops.
4311 (tree_ssa_loop_ivcanon): Use the return value of
4312 canonicalize_induction_variables.
4313 (tree_ssa_empty_loop): Use the return value of
4315 (tree_complete_unroll): Use the return value of
4316 tree_unroll_loops_completely.
4317 (tree_ssa_loop_prefetch): Use the return value of
4318 tree_ssa_prefetch_arrays.
4319 * passes.c (execute_todo): Before Cleanup CFG, set
4320 updating_used_alone and after cleanup CFG, call
4321 recalculate_used_alone.
4323 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
4326 * tree-vect-transform.c (vectorizable_condition): Move the check
4327 for the type after the check for simple condition.
4329 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
4330 Kaz Kojima <kkojima@gcc.gnu.org>
4333 * mode-switching.c (optimize_mode_switching): Make the destination
4334 block of an abnormal edge have no anticipatable mode. Don't
4335 insert mode switching code at the end of the source block of
4338 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
4340 PR rtl-optimization/26847
4341 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
4342 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
4343 (simplify_plus_minus): Count n_constants while filling ops. Replace
4344 qsort with insertion sort. Before going through the array to simplify
4345 pairs, sort it. Delay early exit until after the first sort, exiting
4346 only if no swaps occurred. Simplify pairs in reversed order, without
4347 special-casing the first iteration. Pack ops after simplifying pairs.
4349 2006-09-05 Anatoly Sokolov <aesok@post.ru>
4351 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
4352 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4353 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4354 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
4356 2006-09-05 Richard Guenther <rguenther@suse.de>
4358 PR tree-optimization/28900
4359 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
4360 compound conditional before creating COND_EXPR condition.
4362 2006-09-05 Richard Guenther <rguenther@suse.de>
4364 PR tree-optimization/28905
4365 * tree-vrp.c (fix_equivalence_set): Manually implement
4366 !value_ranges_intersect_p to also handle symbolic ranges.
4368 2006-09-05 Richard Guenther <rguenther@suse.de>
4371 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4374 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4376 PR rtl-optimization/27616
4377 * cse.c (table_size): New static variable.
4378 (new_basic_block): Initialize it to 0.
4379 (remove_from_table): Decrement it.
4380 (insert): Increment it.
4381 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4382 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4383 fold_rtx_mem_1 if under the cap.
4384 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4385 the lookup of the equivalent expression and test for equality of the
4386 first operand of the equivalent expression before in turn looking up
4387 an equivalent constant for the second operand.
4389 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4392 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4393 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4394 pointer, instead of assuming it is possible to derive the
4395 correct args size from a call insn.
4397 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4400 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4401 (fold_builtin_mempcpy): Rename to...
4402 (fold_builtin_memory_op): ... this. Optimize one element copy
4404 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4406 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4407 (expand_builtin_memcpy, expand_builtin_mempcpy,
4408 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4409 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4410 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4411 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4413 2006-09-01 DJ Delorie <dj@redhat.com>
4415 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4416 (stzx_16): Likewise.
4417 ("stzx_24_<mode>"): Likewise.
4418 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4419 ("cmp<mode>_op"): New.
4420 (cmp<mode>): Change to expander; just save operands.
4422 (b<code>): Change to expander, emit compare here.
4423 (s<code>_op): Change to use split and expander.
4424 (s<code>_24_op): Likewise.
4425 (s<code>_<mode>): New.
4426 (s<code>_<mode>_24): New.
4427 (movqicc_<code>_<mode): New.
4428 (movhicc_<code>_<mode>): New.
4431 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4432 (m32c_pend_compare): New.
4433 (m32c_unpend_compare): New.
4434 (m32c_expand_scc): New.
4435 (m32c_expand_movcc): Emit the compare also.
4436 * config/m32c/predicates.md (mra_nopp_operand): New.
4438 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4439 Richard Guenther <rguenther@suse.de>
4440 Adam Nemet <anemet@caviumnetworks.com>
4443 * builtins.c (get_pointer_alignment): Handle more forms
4444 of base addresses that can be used to derive more precise
4445 information about alignment.
4447 2006-09-01 Jason Merrill <jason@redhat.com>
4450 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4453 * gimplify.c (voidify_wrapper_expr): Handle null type.
4455 2006-09-01 Josh Conner <jconner@apple.com>
4458 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4459 (execute_return_slot_opt): Use it.
4461 2006-08-31 Josh Conner <jconner@apple.com>
4464 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4465 returning aggregates.
4467 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4469 PR tree-optimization/28839
4470 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4471 blocks in that phi arguments appear.
4473 2006-08-31 Roger Sayle <roger@eyesopen.com>
4476 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4477 NULL, otherwise use an advance_loc4 to adjust relative to the
4479 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4480 (dwarf2out_switch_text_section): Reset the current label to avoid
4481 using advance_loc4 over section boundaries.
4483 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4486 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4487 r12 + SYMBOLIC_CONST.
4489 2006-08-30 Richard Guenther <rguenther@suse.de>
4491 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4493 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4495 PR rtl-optimization/27735
4496 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4497 Add new argument to keep track of whether an irreducible region
4498 was affected. All callers changed.
4499 (fix_irreducible_loops): Removed.
4500 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4501 flags were invalidated.
4503 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4505 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4506 instead of SF operands.
4507 (*fop_df_comm_sse): Likewise.
4508 (*fop_df_comm_i387): Likewise.
4509 (*fop_df_1_mixed): Likewise.
4510 (*fop_df_1_sse): Likewise.
4512 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4513 J"orn Rennecke <joern.rennecke@st.com>
4515 PR tree-optimization/17506
4516 * tree-ssa.c (warn_uninit): If warning about a location outside of
4517 the current function, note where the variable was declared.
4519 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4521 PR tree-optimization/28411
4522 * double-int.c (double_int_div): Use double_int_divmod.
4523 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4524 double_int_mod, double_int_smod, double_int_umod): New functions.
4525 * double-int.h (double_int_divmod, double_int_sdivmod,
4526 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4528 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4530 (get_computation_aff, get_computation_cost_at): Handle double_int
4531 return type of constant_multiple_of.
4533 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4536 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4537 an implicit conversion.
4539 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4541 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4543 2006-08-27 Roger Sayle <roger@eyesopen.com>
4545 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4548 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4550 * config/i386/crtfastmath.c: Fix a comment typo.
4552 2006-08-26 Roger Sayle <roger@eyesopen.com>
4554 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4555 temporary visit flags on CASE_LABEL_EXPRs.
4556 * c-common.c (match_case_to_enum): Add function comment. Avoid
4557 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4558 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4559 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4560 a constant, only warn if that constant value isn't handled.
4562 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4565 * input.h (restore_input_file_stack): Declare.
4566 (INPUT_FILE_STACK_BITS): Define.
4567 * toplev.c (fs_p, input_file_stack_history,
4568 input_file_stack_restored, restore_input_file_stack): New.
4569 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4570 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4571 (pop_srcloc): Don't free old state of stack.
4573 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4576 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4577 (PowerPC Type Attributes): New.
4579 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4581 * config/xtensa/xtensa.c (function_arg_boundary): New.
4582 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4584 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4585 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4587 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4590 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4593 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4595 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4596 (verify_local_live_at_start): Likewise.
4598 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4601 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4602 omp_add_variable): Treat sizes as variable whenever not
4605 2006-08-26 Richard Guenther <rguenther@suse.de>
4608 * fold-const.c (fold_binary): Fold temporary to correct
4609 type before constructing new comparison.
4611 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4614 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4615 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4617 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4620 * c-decl.c (start_function): Don't try to process prototype
4621 information from old declaration that isn't a function.
4623 2006-08-25 Jan Hubicka <jh@suse.cz>
4626 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4628 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4631 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4634 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4636 PR tree-optimization/16876
4637 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4638 exit if PARM doesn't match VALUE.
4640 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4642 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4643 literal_prefix directive.
4644 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4645 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4646 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4648 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4651 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4652 predicate to general_operand. Add 0->y and I->r alternatives.
4654 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4656 * doc/tm.texi: Fix a typo.
4657 * predict.c: Fix comment typos.
4659 2006-08-25 Nick Clifton <nickc@redhat.com>
4661 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4662 assertions of "cpu" and "machine".
4664 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4667 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4668 the access through a base which has an alias set of 0 cannot
4671 2006-08-24 Bill Wendling <wendling@apple.com>
4673 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4675 2006-08-24 Jan Hubicka <jh@suse.cz>
4677 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4679 2006-08-24 Jan Hubicka <jh@suse.cz>
4682 * cgraph.c: Fix comments.
4683 (cgraph_varpool_mark_needed_node): Mark only variables not already
4685 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4686 (cgraph_varpool_assembled_nodes_queue): New static variable.
4687 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4688 (cgraph_varpool_output_debug_info): New function.
4689 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4690 * Makefile.in: Add gt-cgraphunit.h
4692 2006-08-24 Jan Hubicka <jh@suse.cz>
4694 * predict.c (probability_reliable_p): New predicate.
4695 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4696 (predict_loops): Do not predict loop exit with less than 2%
4698 * basic-block.h (edge_probability_reliable_p,
4699 br_prob_note_reliable_p): Declare.
4700 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4701 prediction when static predictor is not reliable.
4702 * rs6000.c (output_cbranch): Likewise.
4704 2006-08-23 Stuart Hastings <stuart@apple.com>
4707 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4708 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4710 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4713 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4714 complex values, nor for generic vector values.
4716 2006-08-22 Richard Guenther <rguenther@suse.de>
4719 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4720 parameter. Convert arguments to arithmetic expression to the
4722 (analyze_scalar_evolution_1): Adjust caller.
4724 2006-08-22 Jan Hubicka <jh@suse.cz>
4726 Patch by Paolo Bonzini
4727 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4730 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4732 PR tree-optimization/28003
4733 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4734 before grouping aliases.
4736 2006-08-22 Roger Sayle <roger@eyesopen.com>
4738 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4739 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4741 2006-08-21 Jason Merrill <jason@redhat.com>
4744 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4745 wrapper. Loop to handle nested wrappers.
4746 (gimplify_bind_expr): Remove temp parameter.
4747 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4748 and STATEMENT_LIST on the rhs.
4749 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4750 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4751 (gimplify_target_expr): Remove special BIND_EXPR handling.
4753 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4755 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4758 2006-08-21 Olivier Hainque <hainque@adacore.com>
4760 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4761 Arrange for the temporary captures of components overlapping the lhs
4762 to happen before the lhs is possibly cleared.
4764 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4766 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4767 necessary places to pass the correct "number of registers" values
4770 2006-08-20 Jan Hubicka <jh@suse.cz>
4772 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4773 (create_name_tags): Instead of quadratic checking use hashtable.
4774 * bitmap.h: Include hashtab.h.
4775 (bitmap_hash): Declare.
4776 * bitmap.c (bitmap_hash): New function.
4778 2006-08-20 Jan Hubicka <jh@suse.cz>
4780 PR rtl-optimization/28071
4781 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4783 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4784 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4785 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4786 cgraph_decide_inlining_incrementally): Update use of
4787 cgraph_check_inline_limits.
4788 * cgraph.c (edge_hash, edge_eq): New function.
4789 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4790 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4791 cgraph_remove_node): Maintain call site hash.
4792 * cgraph.h (struct cgraph_node): Add call_site_hash.
4793 (cgraph_set_call_stmt): New function.
4795 2006-08-20 Jan Hubicka <jh@suse.cz>
4797 PR rtl-optimization/28071
4798 * reload1.c (reg_has_output_reload): Turn into regset.
4799 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4800 choose_reload_regs, emit_reload_insns): Update to new
4801 reg_has_output_reload.
4803 2006-08-20 Jan Hubicka <jh@suse.cz>
4806 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4807 function body sizes.
4808 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4810 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4813 * tree.c (handle_dll_attribute): Return early if not a
4814 var or function decl.
4816 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4819 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4820 alignment of SPE vector types.
4822 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4824 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4826 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4829 * cgraph.h (struct cgraph_node): Remove externally_visible
4831 * cgraphunit.c (process_function_and_variable_attributes): Set
4832 local.externally_visible rather than externally_visible.
4835 * c-common.c (handle_externally_visible_attribute): First look
4836 at TREE_CODE and only if it is function or var decl, check for
4837 non-public objects. Don't warn for DECL_EXTERNAL.
4838 * cgraphunit.c (process_function_and_variable_attributes): Warn
4839 if externally_visible attribute is used on non-public object.
4841 2006-08-17 Jan Hubicka <jh@suse.cz>
4843 PR tree-optimization/27865
4844 * reload1.c (forget_marked_reloads): New function.
4845 (forget_old_reloads_1): When data are passed, just mark the registers
4847 (reload_as_needed): Use the new mechanizm.
4849 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4852 * reload.h (reg_equiv_alt_mem_list): New declaration.
4853 * reload1.c (reg_equiv_alt_mem_list): New definition.
4854 (reload): Initialize it and release it.
4855 (delete_output_reload): Use it.
4856 * reload.c (push_reg_equiv_alt_mem): New function.
4857 (find_reloads_toplev): Call it.
4858 (find_reloads_address, find_reloads_address_1): Likewise.
4859 (find_reloads_subreg_address): Likewise.
4861 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4863 PR rtl-optimization/28489
4864 * sched-ebb.c (begin_schedule_ready): Create basic block
4866 (advance_target_bb): Skip empty blocks.
4867 * haifa-sched.c (bb_note): Make global.
4868 * sched-int.h (bb_note): Add prototype.
4870 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4872 PR tree-optimization/27865
4873 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4875 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4876 fold_used_pointer, pointer_used_p): New functions.
4877 (analyze_scalar_evolution_1): Use fold_used_pointer.
4878 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4879 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4882 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4885 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4886 or the INTEGER_CST. Fail on a CALL_EXPR.
4887 (fold_offsetof): Pass new argument to fold_offsetof_1.
4888 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4889 operand into an INDIRECT_REF.
4890 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4892 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4894 PR gcov/profile/26570
4895 * value-prof.c (static_values): Removed.
4896 (tree_find_values_to_profile): Do not set static_values.
4897 (find_values_to_profile): Do not free static_values.
4898 * profile.c (instrument_values): Do not free the values.
4899 (branch_prob): Free the values.
4901 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4903 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4905 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4908 * c-typeck.c (build_component_ref): Combine qualifiers of
4909 structure or union and field.
4911 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4913 PR rtl-optimization/28071
4914 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4915 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4916 * tree-into-ssa.c (struct dom_dfsnum): New.
4917 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4919 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4920 compute_global_livein.
4921 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4922 in phi nodes in the correct blocks.
4924 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4926 PR tree-optimization/28364
4927 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4929 (fold_affine_expr): New function.
4930 (may_eliminate_iv): Use fold_affine_expr.
4932 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4935 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4938 2006-08-16 Mike Stump <mrs@apple.com>
4940 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4941 * doc/cppopts.texi (-MD): Likewise.
4943 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4946 * c-common.c (handle_weak_attribute): Ignore and warn if
4947 not a FUNCTION_ or VAR_DECL.
4949 2006-07-15 Mike Stump <mrs@apple.com>
4952 * c-parser.c (c_parser_typeof_specifier): Don't use
4953 c_finish_expr_stmt, open code desired semantics instead.
4955 2006-08-15 Nick Clifton <nickc@redhat.com>
4957 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4958 fragment to tmake_file only if threads are enabled.
4959 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4960 * config/i386/t-gthr-win32: New file. ... here.
4962 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4965 * c-parser.c (c_parser_compound_statement_nostart): Reset
4966 parser->error after each statement.
4968 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4971 * omp-low.c (lower_omp_parallel): Convert t to
4972 receiver_decl's type.
4973 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4974 source before comparison.
4977 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4978 to itype in assignment to oldival2.
4980 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4984 * c-typeck.c (build_compound_expr): If the second expression
4985 is an error mark, then just return an error mark instead of
4986 creating a COMPOUND_EXPR.
4988 2006-07-14 Mike Stump <mrs@apple.com>
4990 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4992 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4994 * c-decl.c, var-tracking.c: Fix comment typos.
4996 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4998 PR rtl-optimization/28634
4999 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5000 for floating-point modes unless flag_unsafe_math_optimizations.
5002 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5003 Andrew Pinski <pinskia@physics.uc.edu>
5006 * tree.c (build_array_type): Unify array types with
5007 unspecified index_type.
5008 * c-decl.c (grokdeclarator): Make sure we do not modify a
5009 unified incomplete array type.
5010 * c-typeck.c (store_init_value): Create distinct type before
5011 filling in the index type in an initializer from a compound
5014 * c-decl.c (grokdeclarator): Remove code where we copy the
5017 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5019 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5020 into account for TODO_dump_cgraph.
5021 (TODO_update_ssa_no_phi): Likewise.
5022 (TODO_update_ssa_full_phi): Likewise.
5023 (TODO_update_ssa_only_virtuals): Likewise.
5024 (TODO_remove_unused_locals): Likewise.
5025 (TODO_set_props): Likewise.
5026 (TODO_update_stmt_usage): Likewise.
5028 2006-08-13 Dirk Mueller <dmueller@suse.de>
5030 * c-common.c (strict_aliasing_warning): Fix formatting.
5032 2006-08-13 Matthias Klose <doko@debian.org>
5034 * doc/invoke.texi: Fix spelling errors.
5036 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5038 PR rtl-optimization/23454
5039 * reorg.c (relax_delay_slots): Update comment.
5041 2006-08-11 Richard Guenther <rguenther@suse.de>
5044 * simplify-rtx.c (simplify_const_relational_operation):
5045 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5048 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5050 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5051 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5053 2006-08-10 Paul Brook <paul@codesourcery.com>
5055 * final.c (final_scan_insn): Clear current_insn_predicate before
5056 outputting inline asm.
5058 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5060 PR tree-optimization/26197
5061 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5062 get_ref_base_and_extent and overlap_subvar to add only relevant
5063 subvars as may-aliases.
5064 (add_may_alias_for_new_tag): New function, factored out of
5066 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5067 with additional argument.
5068 * tree-flow.h (new_type_alias): Takes additional argument.
5070 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5072 * gcov.c (no_data_file): New flag.
5073 (read_count_file): Set it if data file not present. Assume counts
5075 (output_lines): Don't name the data file, if there wasn't one.
5077 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5079 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5080 (rs6000_generate_compare): Tweak comments.
5081 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5083 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5085 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5086 (var_debug_decl): New function.
5087 (var_reg_set): Follow debug decl link. Add location even if
5088 reg is already known to hold some other variable.
5089 (var_mem_set): Follow debug decl link.
5090 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5091 decl link. Delete other known locations of the variable part
5093 (var_reg_delete, var_mem_delete): Delete other known locations
5094 of the variable part if requested.
5095 (same_variable_part_p): New function.
5096 (add_stores): Select MO_COPY when appropriate.
5097 (vt_initialize): Handle it.
5098 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5099 known locations for MO_SET and MO_CLOBBER.
5100 (find_variable_location_part): New function.
5101 (set_variable_part, delete_variable_part): Use it.
5102 (clobber_variable_part): New function.
5103 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5106 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5108 PR tree-optimization/26969
5109 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5110 with an empty list of PHIs.
5112 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5116 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5119 2006-08-06 Andreas Schwab <schwab@suse.de>
5121 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5122 string. Whitespace and comment fixup.
5124 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5127 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5131 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5134 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5136 2006-08-04 Jan Hubicka <jh@suse.cz>
5140 * reload.c (push_reload): Patch out the mismatching instruction;
5142 (find_reload): Bail out if the instruction was patched out.
5144 2006-08-04 Jan Hubicka <jh@suse.cz>
5146 PR tree-optimization/24888
5147 * tree-inline.c (expand_call_inline): Do not re-record variables.
5148 (declare_inline_vars): Add variable to unexpanded_var_list.
5150 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5151 Roger Sayle <roger@eyesopen.com>
5153 PR rtl-optimization/26244
5154 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5155 inner_const are negative or greater than or equal to the bitsize of
5156 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5157 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5158 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5159 CONST0_RTX (mode) when the new shift count is greater than or equal to
5160 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5163 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5165 * tree-cfg.c: Fix a comment typo.
5167 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5170 * varasm.c (output_constant): Give the front end another chance to
5171 expand constants, after stripping NOPs.
5173 2006-08-03 Jan Hubicka <jh@suse.cz>
5175 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5178 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5180 PR tree-optimization/27770
5181 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5182 declaration removed (moved to tree-flow.h).
5183 (vect_can_force_dr_alignment_p): Likewise.
5184 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5185 (moved from tree-vectorizer.h).
5186 (vect_can_force_dr_alignment_p): Likewise.
5187 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5188 from outside the vectorizer - in particular from cgraph stage.
5189 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5190 the alignment of global arrays when -fsection-anchors is enabled.
5191 * cgraphunit.c (cgraph_increase_alignment): New function.
5192 (cgraph_optimize): Call cgraph_increase_alignment.
5194 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5197 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5198 not reload a SPE symbol_ref into a lo_sum address.
5200 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5203 * dwarf2out.c (prune_unused_types_prune): Move call to
5204 prune_unused_types_update_strings to cover the parent DIE also.
5206 2006-08-02 Jan Hubicka <jh@suse.cz>
5208 PR gcov/profile/28480
5209 * tree-cfg.c (change_bb_for_stmt): New function.
5210 (tree_merge_blocks, tree_split_blocks): Use it.
5212 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5218 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5219 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5220 (cgraph_optimize): Likewise.
5222 2006-08-01 Stuart Hastings <stuart@apple.com>
5224 * rtl.h (UINTVAL) New.
5225 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5226 * testsuite/gcc.dg/20060801-1.c: New.
5228 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5231 * c-typeck.c (build_external_type): Mark used enum types.
5232 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5234 (gen_subprogram_die): Whitespace fix.
5236 2006-08-01 Jan Hubicka <jh@suse.cz>
5238 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5239 bitmap when not needed.
5240 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5243 2006-08-01 Dirk Mueller <dmueller@suse.de>
5245 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5247 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5249 * Makefile.in: Revert part of previous patch:
5250 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5253 2006-07-30 Eric Christopher <echristo@apple.com>
5256 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5257 (PowerPC Variable Attributes): New section.
5259 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5261 PR target/28126 (partial fix)
5262 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
5264 2006-07-28 Jan Hubicka <jh@suse.cz>
5266 PR rtl-optimization/28071
5267 * cfgrtl.c (rtl_delete_block): Free regsets.
5268 * flow.c (allocate_bb_life_data): Re-use regsets if available.
5270 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5272 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
5273 and variables used in dependencies.
5275 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
5277 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
5278 %fs for -mcmodel=kernel.
5279 (stack_tls_protect_test_di): Likewise.
5281 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
5283 * Makefile.in: Use mkinstalldirs.
5285 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
5288 * opts-common.c (prune_options): Skip joined switches.
5290 2006-07-27 Jan Hubicka <jh@suse.cz>
5292 PR rtl-optimization/28071
5293 * cselib.c (cselib_process_insn): Don't remove useless values too
5294 often for very large hashtables.
5296 2006-07-27 Jan Hubicka <jh@suse.cz>
5298 PR rtl-optimization/28071
5299 * global.c (greg_obstack): New obstack.
5300 (allocate_bb_info): Use it.
5301 (free_bb_info): Likewise.
5302 (modify_reg_pav): Likewise.
5304 2006-07-27 Roger Sayle <roger@eyesopen.com>
5306 * builtins.c (fold_fixed_mathfn): When long and long long are the
5307 same size, canonicalize llceil*, llfloor*, llround* and llrint*
5308 functions to their lceil*, lfloor*, lround* and lrint* forms.
5310 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5313 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
5315 (rev_branch_insn): Likewise.
5317 2006-07-27 Jan Hubicka <jh@suse.cz>
5319 PR rtl-optimization/28071
5320 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
5321 (reg_set_in_bb, max_reg_computed): New static variables.
5322 (regmove_optimize): Free the new array.
5323 (fixup_match_1): Update call of reg_is_remote_constant_p.
5325 2006-07-26 Jan Hubicka <jh@suse.cz>
5327 PR tree-optimization/27882
5328 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
5330 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
5332 (cgraph_analyze_compilation_unit): Likewise.
5333 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
5334 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
5335 (cgraph_early_inlinine): Make order garbage collected.
5336 * Makefile.in (gt-ipa-inline): New garbagecollected file.
5338 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5340 * dbxout.c (output_types_sort): Add a comment.
5341 (output_used_types): Free the VEC.
5343 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
5345 * function.c (reorder_fix_fragments): Delete.
5346 (reorder_blocks): Don't call it.
5347 (reorder_blocks_1): Put all subblocks under the origin block.
5349 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
5351 PR rtl-optimization/27907
5352 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
5355 2006-07-25 Roger Sayle <roger@eyesopen.com>
5358 * convert.c (convert_to_integer): When transforming (T)foo(x) into
5359 bar(x) check that bar's result type can represent all the values of T.
5361 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
5363 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
5365 2006-07-25 Nick Clifton <nickc@redhat.com>
5367 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
5368 size_lookup[] array.
5369 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
5370 (ggc_pch_count_object): Likewise.
5371 (ggc_pch_alloc_object): Likewise.
5372 (ggc_pch_write_object): Likewise.
5373 (init_ggc): Do not attempt to initialize entries in the
5374 size_lookup[] array for objects whose size is greater than than
5375 the length of the array.
5377 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5379 * dbxout.c (output_used_types_helper): Push queued types
5381 (output_types_sort): New.
5382 (output_used_types): Collect used types on a VEC and sort them
5385 2006-07-24 Richard Guenther <rguenther@suse.de>
5388 * cgraph.c (cgraph_remove_node): Do not check if dumps
5390 * cgraphunit.c (cgraph_optimize): Likewise.
5392 2006-07-24 Jan Hubicka <jh@suse.cz>
5394 PR rtl-optimization/28071
5395 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5396 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5397 splitting before first stmt.
5399 2006-07-24 Jan Hubicka <jh@suse.cz>
5401 PR rtl-optimization/28071
5402 * ipa-inline.c (update_caller_keys): Remove edges that
5403 are no longer inline candidates.
5405 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5408 * dbxout.c (output_used_types_helper, output_used_types): New.
5409 (dbxout_symbol): Call output_used_types.
5411 2006-07-23 Jan Hubicka <jh@suse.cz>
5415 * cgraph.c (cgraph_varpool_nodes): Export.
5416 (decide_is_variable_needed): Ignored "used" attribute in
5417 unit-at-a-time mode.
5418 * cgraph.h (cgraph_varpool_nodes): Declare.
5419 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5420 unit-at-a-time mode.
5422 2006-07-23 Roger Sayle <roger@eyesopen.com>
5425 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5426 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5427 the __gthrw form of thr_keycreate.
5428 (__gthread_key_delete): Silence the unused argument warning.
5430 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5433 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5434 Cache the last found '\0' marker to avoid quadratic behavior.
5436 2006-07-23 Jan Hubicka <jh@suse.cz>
5438 * i386.md (subsi_3_zext): Fix output template.
5440 2006-07-21 Mike Stump <mrs@apple.com>
5442 * doc/invoke.texi (C++ Dialect Options): Note that
5443 -fvisibility-inlines-hidden doesn't affect explicitly
5444 instantiationed inline methods.
5446 2006-07-20 Roger Sayle <roger@eyesopen.com>
5448 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5449 if the target assembler is GNU binutils' gas.
5450 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5451 whether to pass GNU gas or native as command line options.
5453 2006-07-20 Jason Merrill <jason@redhat.com>
5455 * tree.c (remove_attribute): New fn.
5456 * tree.h: Declare it.
5458 2006-07-20 Paul Brook <paul@codesourcery.com>
5461 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5462 they are invalidated by this instruction.
5464 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5467 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5469 2006-07-20 Eric Christopher <echristo@apple.com>
5472 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5474 2006-07-19 Eric Christopher <echristo@apple.com>
5476 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5477 Rewrite dependencies for libgcc_s.1.dylib.
5479 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5481 * except.c (duplicate_eh_regions_1): Clear next_peer.
5483 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5485 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5486 -mlongcall does not guarantee all calls will be long.
5487 * doc/extend.texi (long_call/short_call): Document that longcall
5488 does not guarantee a long call will be used.
5489 (longcall/shortcall): Likewise.
5491 2006-07-18 Roger Sayle <roger@eyesopen.com>
5494 * expmed.c (expand_shift): Additionally check that the shift_cost
5495 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5496 before implementing a LSHIFT_EXPR as a sequence of additions.
5497 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5498 middle-end that DImode shifts need to be synthesized by expand.
5500 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5503 * tree-ssa-operands.c (access_can_touch_variable): Update
5505 Return true if ALIAS is .GLOBAL_VAR.
5507 2006-07-18 David Daney <ddaney@avtrex.com>
5509 * gcc.c (display_help): Fix typo in help text.
5511 2006-07-18 Olivier Hainque <hainque@adacore.com>
5513 * tree.h (categorize_ctor_elements): Adjust prototype and add
5514 descriptive comment, both in accordance with the interface change
5516 * varasm.c (constructor_static_from_elts_p): New function.
5517 Whether a constructor node is a valid static constant initializer
5518 if all its elements are.
5519 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5520 * output.h: Declare it.
5521 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5522 is a valid constant initializer instead of computing the number of
5523 non-constant elements. Use constructor_static_from_elts_p for this
5524 purpose. Replace the head comment with an indication that this is a
5525 helper for categorize_ctor_elements.
5526 (categorize_ctor_elements): Same interface change as for the _1
5527 helper. Former head comment from this helper moved here, adjusted to
5528 account for the interface changes.
5529 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5530 (all_zeros_p): Likewise.
5531 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5532 static versions of the constructor from the categorize_ctor_elements
5533 return value instead of the formerly computed number of non-constant
5536 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5538 * configure: Regenerate.
5539 * Makefile.in (build_libsubdir): New configure substitution
5540 (build_libobjdir): New variable.
5541 (BUILD_LIBIBERTY): Use it.
5543 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5546 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5548 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5551 * c-common.c (handle_weakref_attribute): Ignore attribute in
5552 the same conditions the alias attribute is ignored.
5554 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5556 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5557 (dbxout_begin_prologue): Increment scope_labelno.
5559 2006-07-17 Richard Henderson <rth@redhat.com>
5562 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5565 2006-07-17 Roger Sayle <roger@eyesopen.com>
5566 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5568 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5569 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5570 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5571 functions such as sbrk, write, etc.. Add function prototypes.
5572 Convert function declarations from K&R to ISO C. Cast pointers
5573 to "long" and "unsigned long" instead of "int" and "unsigned int".
5574 Convert tokens following #endif into comments.
5576 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5578 * invoke.texi: Remove mention of f77; Reformat table for
5579 inline parameter options correctly; mention that -malign-double
5580 is default on x86-64 targets.
5582 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5584 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5585 (convert_affine_scev, chrec_convert_aggressive): Use
5586 avoid_arithmetics_in_type_p. Do not check for the subtypes
5589 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5592 * optabs.c (expand_doubleword_shift): Wrap the call to
5593 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5595 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5598 * optabs.c (expand_binop): Pass next_methods rather than methods
5599 to expand_doubleword_shift.
5601 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5604 * tree.h (dump_addr): Declare.
5605 * print-tree.c (dump_addr): New function.
5606 (print_node_brief, print_node): Use it.
5607 * print-rtl.c (print_rtx): Likewise.
5608 * common.opt (-fdump-noaddr): New option.
5609 * doc/invoke.texi (-fdump-noaddr): Document.
5610 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5611 (ve_info_hash): Likewise.
5613 2006-07-13 Andrew Haley <aph@redhat.com>
5615 PR tree-optimization/19505
5616 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5617 edge leaving this block, make sure that the destination of this
5618 block has only one predecessor.
5620 2006-07-17 Richard Guenther <rguenther@suse.de>
5622 PR tree-optimization/28238
5623 * tree-inline.c (copy_bb): Check if we produced valid
5624 gimple copying and substituting a stmt. If not, gimplify
5627 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5629 * optabs.c (maybe_encapsulate_block): New function extracted from...
5630 (emit_libcall_block): ...here. Invoke it on the block of insns to
5631 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5632 (emit_no_conflict_block): Likewise.
5634 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5636 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5638 2006-07-15 Roger Sayle <roger@eyesopen.com>
5640 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5641 a new NOP_EXPR case of the switch statement.
5643 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5646 * stor-layout.c (place_field): Take the bit field with
5647 an excessive size into account in the ms-bitfiled case.
5650 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5651 the previous bit field.
5653 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5656 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5658 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5660 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5661 signal frames correctly even when the signal was installed with
5664 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5666 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5667 (dbxout_function_end): Use local label LFBB. Remove hook
5669 (dbxout_source_line): Use local label LFBB.
5670 (dbxout_block): Likewise.
5671 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5672 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5673 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5674 and DBX_OUTPUT_NFUN.
5676 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5678 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5680 2006-07-13 Jan Hubicka <jh@suse.cz>
5682 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5684 * output.h (align_variable): Declare.
5685 * varasm.c (align_variable): Export.
5686 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5687 when basic block changed.
5689 2006-07-13 Nick Clifton <nickc@redhat.com>
5691 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5692 walking the LOG_LINKS chain.
5694 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5696 * doc/invoke.texi (C++ Dialect Options): Explain difference
5697 between -fvisibility-inlines-hidden and setting hidden
5698 visibility explicitly.
5700 2006-07-12 Eric Christopher <echristo@apple.com>
5702 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5703 (stmp-lipo): Depend on libgcc.a.
5705 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5707 * tree.c: Fix a comment typo.
5709 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5711 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5713 (umulhisi3_r): Likewise.
5715 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5718 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5719 x < 19, vs wchar_t support.
5721 2006-07-12 Nick Clifton <nickc@redhat.com>
5723 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5724 instead of -isa=sh4.
5726 2006-07-12 Mike Stump <mrs@apple.com>
5728 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5730 2006-07-10 Eric Christopher <echristo@apple.com>
5732 * config/t-slibgcc-darwin: Rewrite.
5734 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5737 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5740 2006-07-08 Matthias Klose <doko@debian.org>
5742 * doc/sourcebuild.texi: Fix typo.
5744 2006-07-07 Mike Stump <mrs@apple.com>
5746 * toplev.c (process_options): Don't give -ffunction-sections may
5747 affect debugging warning for Mach-O.
5749 2006-07-07 James E Wilson <wilson@specifix.com>
5751 * config/mips/mips.md (cpu): Add sb1a.
5752 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5753 addition to sb1. Adjust comments to clarify SB-1A differences from
5755 (ir_sb1a_load): New. Modify bypasses to use it.
5756 (ir_sb1a_simple_alu): Likewise.
5757 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5758 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5759 (mips_issue_rate): Add PROCESSOR_SB1A.
5760 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5761 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5762 (TARGET_SB1): Add PROCESSOR_SB1A check.
5763 (TUNE_SB1): Likewise.
5765 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5766 * config/mips/mips.c (mips_store_data_bypass_p): New.
5767 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5768 store_data_bypass_p.
5770 2006-07-08 Paul Brook <paul@codesourcery.com>
5773 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5775 2006-07-07 Richard Guenther <rguenther@suse.de>
5778 * tree.h (build_one_cst): Declare.
5779 * tree.c (build_one_cst): New function.
5780 * tree-ssa-math-opts.c (get_constant_one): Remove.
5781 (insert_reciprocals): Use build_one_cst.
5782 * fold-const.c (fold_plusminus_mult): Likewise.
5784 2006-07-07 Roger Sayle <roger@eyesopen.com>
5786 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5787 * cfgloopanal.c (dump_graph): Likewise.
5788 * dojump.c (discard_pending_stack_adjust): Likewise.
5789 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5791 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5792 * function.c (finalize_block_changes): Likewise.
5793 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5794 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5795 * rtl.c (dump_rtx_statistics): Likewise.
5796 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5798 * varray.c (dump_varray_statistics): Likewise.
5799 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5800 decode_decimal64, encode_decimal128, decode_decimal128,
5801 decimal_real_to_decimal): Likewise.
5803 2006-07-07 Richard Guenther <rguenther@suse.de>
5805 PR tree-optimization/28187
5806 * tree-vrp.c (vrp_operand_equal_p): New function.
5807 (vrp_bitmap_equal_p): Likewise.
5808 (update_value_range): Use them to compare old and new
5811 2006-07-06 Roger Sayle <roger@eyesopen.com>
5813 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5814 a default case to switch statement to silence compiler warnings.
5816 2006-07-06 Roger Sayle <roger@eyesopen.com>
5819 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5820 the configured assembler supports the x87's ffreep mnemonic.
5821 * configure: Regenerate.
5822 * config.in: Regenerate.
5824 * config/i386/i386.c (output_387_ffreep): New function.
5825 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5826 (output_387_reg_move): Likewise.
5828 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5830 Port to hosts whose 'sort' and 'tail' implementations
5831 treat operands with leading '+' as file names, as POSIX
5832 has required since 2001. However, make sure the code still
5833 works on pre-POSIX hosts.
5834 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5835 which says you should use "tail -c +N" rather than "tail +Nc".
5836 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5838 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5840 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5843 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5846 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5847 PRE_{INC,DEC} of TFmode.
5849 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5850 Alan Modra <amodra@bigpond.net.au>
5853 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5856 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5859 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5860 Remove duplicate gtu.
5862 2006-07-05 Jason Merrill <jason@redhat.com>
5866 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5867 * c-common.c (handle_packed_attribute): So don't copy it here.
5868 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5870 2006-07-05 Mike Stump <mrs@apple.com>
5872 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5874 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5877 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5879 2006-07-05 Richard Guenther <rguenther@suse.de>
5882 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5883 TARGET_SSE2 targets if using SSE math.
5884 (*absdf2_1): Likewise.
5886 2006-07-05 Richard Guenther <rguenther@suse.de>
5888 PR tree-optimization/28162
5889 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5890 make sure to convert the operands to the correct type.
5892 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5894 PR tree-optimization/28218
5896 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5897 to calculate and free the dominator information.
5899 2006-07-04 Peter O'Gorman <peter@pogma.com>
5901 * mklibgcc.in: chmod 644 before ranlib during install.
5903 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5904 J"orn Rennecke <joern.rennecke@st.com>
5906 * configure.ac (.eh_frame data check): Use diff -b.
5908 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5911 * Makefile.in (BUILD_RTL): Add build/vec.o.
5912 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5913 (build/genextract): Delete.
5914 (build/genautomata): Likewise.
5916 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5919 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5920 128-bit IBM long doubles for ABI_V4.
5922 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5924 * tree.c (range_in_array_bounds_p): New predicate.
5925 * tree.h (range_in_array_bounds_p): Declare it.
5926 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5927 return a less conservative answer.
5928 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5929 and flag 'is_group'.
5930 (IS_ELEMENT_FOR_GROUP): New macro.
5931 (FOR_EACH_ACTUAL_CHILD): Likewise.
5932 (next_child_for_group): New helper function.
5933 (can_completely_scalarize_p): Take into account groups.
5934 (sra_hash_tree): Handle RANGE_EXPR.
5935 (sra_elt_eq): Likewise.
5936 (lookup_element): Be prepared for handling groups.
5937 (is_valid_const_index): Delete.
5938 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5939 instead of is_valid_const_index.
5940 <ARRAY_RANGE_REF>: New case.
5941 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5942 is_valid_const_index.
5943 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5944 (scan_dump): Dump info for groups too.
5945 (decide_instantiation_1): Likewise.
5946 (decide_block_copy): Assert that the element is not a group.
5947 Propagate decision to groups.
5948 (generate_one_element_ref): Handle RANGE_EXPR.
5949 (mark_no_warning): Iterate over actual childs.
5950 (generate_copy_inout): Likewise.
5951 (generate_element_copy): Likewise.
5952 (generate_element_zero): Likewise.
5953 (generate_element_init_1): Likewise.
5954 (dump_sra_elt_name): Handle RANGE_EXPR.
5956 2006-07-03 Roger Sayle <roger@eyesopen.com>
5958 PR tree-optimization/26251
5959 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5960 (thread_block): When optimizing for size refuse to thread jumps
5961 that would require duplication of blocks other than redirection
5964 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5966 * configure.ac: Fix thinko in previous check-in.
5967 * configure: Regenerate.
5969 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5972 * configure.ac (for lang...): Simplify nesting of conditionals.
5973 Test subdir_requires for non-enabled languages. Move processing
5974 of lang_opt_files and lang_tree_fiels below that test.
5975 * configure: Regenerate.
5976 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5978 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5980 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5982 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5984 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5987 2006-06-29 Jason Merrill <jason@redhat.com>
5994 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5995 * c-common.c (c_determine_visibility): Handle it here.
5996 * c-decl.c (finish_decl): Call c_determine_visibility for
5998 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6000 * varasm.c (default_assemble_visibility): Likewise.
6001 * c-common.c (handle_visibility_attribute): Complain about trying
6002 to give visibility to an already defined class, or trying to change
6003 declared visibility. Always attach the attribute.
6008 * attribs.c (decl_attributes): Ignore type-in-place attributes
6009 once the type has been defined.
6011 2006-06-29 Roger Sayle <roger@eyesopen.com>
6014 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6015 to indicate the cpplib has issued an error message for us.
6017 2006-06-29 Asher Langton <langton2@llnl.gov>
6020 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6021 insert a label at the end of an function under Mach-O.
6023 2006-06-29 Eric Christopher <echristo@apple.com>
6024 Evan Cheng <evan.cheng@apple.com>
6026 * predicates.md (vector_all_ones_operand): New.
6027 (nonimmediate_or_sse_const_operand): Ditto.
6028 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6029 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6030 (standard_sse_mode_p): Ditto.
6031 (standard_sse_constant_p): Add case for -1 vector.
6032 (ix86_expand_vector_move): Try to use.
6033 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6034 Call standard_sse_constant_opcode.
6035 (*movv4sf_internal): Ditto.
6036 (*movv2df_internal): Ditto.
6038 2006-06-29 Roger Sayle <roger@eyesopen.com>
6040 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6041 of XEXP to extract the operands of a MATCH_CODE rtx.
6043 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6045 * tree.c (tree_size): Do not waste tail padding in
6046 struct tree_string and make the size be the same as
6047 build_string will generate.
6049 2006-06-28 Jason Merrill <jason@redhat.com>
6052 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6053 may_aliases already in the tag's annotations to the bitmap.
6055 2006-06-28 Roger Sayle <roger@eyesopen.com>
6057 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6059 2006-06-28 Roger Sayle <roger@eyesopen.com>
6061 * genpreds.c (generate_switch_p): New function.
6062 (add_mode_tests): Push the new mode test down inside an AND expr
6063 if this allows the switch-suitable MATCH_CODE to be near the root.
6064 (write_match_code_switch): New function to write a MATCH_CODE as
6066 (write_predicate_stmts): New function to write a predicate RTX
6067 expression as a sequence of statements.
6068 (write_one_predicate_function): Use write_predicate_stmts.
6069 (write_tm_constrs_h): Likewise.
6071 2006-06-26 Fred Fish <fnf@specifix.com>
6073 * config/mips/t-sb1: New file.
6074 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6077 2006-06-26 DJ Delorie <dj@redhat.com>
6079 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6081 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6082 Jayant Sonar <jayants@kpitcummins.com>
6083 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6085 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6086 (subsi3, subsi3_1, subsi3_2): New.
6087 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6088 * config/m32c/mov.md (SI mov peephole): New.
6089 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6090 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6092 2006-06-26 Olivier Hainque <hainque@adacore.com>
6094 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6095 a CALL_EXPR target function declaration.
6097 2006-06-26 Richard Guenther <rguenther@suse.de>
6099 * tree.c (build_string): Do not waste tail padding in
6102 2006-06-26 Richard Guenther <rguenther@suse.de>
6104 * ggc-page.c (init_ggc): Add missing element to size_lookup
6108 2006-06-23 Richard Guenther <rguenther@suse.de>
6110 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6111 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6112 alignment requests instead. Add verification code.
6113 Add struct tree_function_decl and struct tree_binfo size to
6114 extra_order_size_table. Add missing element to size_lookup
6117 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6120 * fold-const.c (const_binop): Be prepared for self returning zero.
6121 Simplify code handling complex values.
6123 2006-06-24 Olivier Hainque <hainque@adacore.com>
6125 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6126 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6129 2006-06-24 Olivier Hainque <hainque@adacore.com>
6131 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6132 ARRAY_REF, so have the callback called for the low bound expression.
6134 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6136 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6137 * c-typeck.c (c_common_type): Disallow operations on decimal float
6138 types and other float types.
6139 * convert.c (convert_to_real): Don't ignore conversions involving
6140 decimal float types.
6142 2006-06-23 Olivier Hainque <hainque@adacore.com>
6144 * tree.c (max_int_size_in_bytes): New function, inspired from
6145 code in function.c:assign_temp.
6146 * tree.h (max_int_size_in_bytes): Declare.
6147 * function.c (assign_temp): Use it.
6148 * gimplify.c (create_tmp_var): Relax the assertions on the type
6149 properties, not mandating constant size any more.
6150 (force_constant_size): New static function.
6151 (gimple_add_tmp_var): Use it, forcing variable size to a
6152 constant upper bound if it is not constant on entry.
6154 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6157 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6158 for initialization and setting of one_only flag to ...
6159 (i386_pe_encode_section_info): ...here.
6160 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6161 Recheck that the symbol has not been defined.
6163 2006-06-23 Richard Guenther <rguenther@suse.de>
6165 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6166 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6167 alignment requests instead. Add verification code.
6168 Add struct tree_function_decl and struct tree_binfo size to
6169 extra_order_size_table. Add missing element to size_lookup
6172 2006-06-22 Roger Sayle <roger@eyesopen.com>
6173 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6176 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6177 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6179 2006-06-23 Ben Elliston <bje@au.ibm.com>
6181 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6182 negate dn -- manipulate it directly.
6184 2006-06-22 Roger Sayle <roger@eyesopen.com>
6185 Steven Bosscher <stevenb.gcc@gmail.com>
6188 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6189 generated by gen_move_insn to add REG_LABEL notes if necessary.
6191 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6193 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6194 (leaf_entry): Remove use of MIN_ESA.
6196 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6198 PR rtl-optimization/28121
6199 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6202 2006-06-21 DJ Delorie <dj@redhat.com>
6204 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6206 (mulhisi3_r): Likewise.
6208 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6211 * coverage.c (coverage_counter_alloc): Leave the index type
6213 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6216 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6218 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6219 section from the "Options for Code Generation Conventions".
6221 2006-06-21 Richard Henderson <rth@redhat.com>
6225 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6227 (global_symbolic_operand): Allow weak symbols, even if local_p.
6229 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6231 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6232 (find_interesting_uses_address): Punt if above function returns true.
6234 2006-06-21 Richard Guenther <rguenther@suse.de>
6236 * configure: Regenerated.
6238 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6240 * config/mips/mips.c (function_arg): Where one part of a
6241 complex argument is in registers and the other part in the stack,
6242 return a REG not a PARALLEL.
6244 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6246 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6247 when cross-compiling. Do not substitute libstdcxx_incdir.
6248 * configure: Regenerated.
6250 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6252 * varasm.c (mergeable_string_section): Check for embedded NULs and
6253 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6254 rather than TREE_STRING_LENGTH bytes.
6256 2006-06-21 Richard Guenther <rguenther@suse.de>
6258 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6259 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6262 2006-06-21 Richrad Guenther <rguenther@suse.de>
6264 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
6265 Limit iteration over the dominators.
6267 2006-06-20 Roger Sayle <roger@eyesopen.com>
6269 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
6270 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
6272 2006-06-20 Richard Guenther <rguenther@suse.de>
6273 Michael Matz <matz@suse.de>
6275 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
6277 * alloc-pool.c (free_alloc_pool_if_empty): New function.
6278 * et-forest.h (et_free_pools): Prototype new function.
6279 * et-forest.c (et_free_tree_force): Free parent occurrence.
6280 (et_free_pools): New function.
6281 * dominance.c (free_dominance_info): Free et-forest alloc
6284 2006-06-20 Roger Sayle <roger@eyesopen.com>
6286 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
6287 integer modes, attempt to directly construct an integer constant.
6289 * fold-const.c (native_encode_vector): Determine the size of each
6290 element from the vector type instead of the first vector element.
6292 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
6293 if all of its elements/components are constant.
6294 (build_constructor_from_list): Likewise.
6296 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
6298 PR tree-optimization/27331
6299 * tree-data-ref.c (free_data_ref): New function.
6300 (create_data_ref): Fail if the data reference has unknown access
6302 (free_data_refs): Use free_data_ref.
6304 2006-06-19 Andrew Pinski <pinskia@gmail.com>
6307 * tree-inline.c (setup_one_parameter): Strip useless
6308 type conversion before adding it to the IR.
6309 (declare_return_variable): Likewise.
6311 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
6314 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
6316 2006-06-19 Mike Stump <mrs@apple.com>
6318 * tree.c (variably_modified_type_p): VM arguments don't make the
6321 2006-06-19 Richard Guenther <rguenther@suse.de>
6323 * tree-ssa-pre.c (try_combine_conversion): Strip useless
6324 type conversions after folding.
6326 2006-06-19 Richard Guenther <rguenther@suse.de>
6328 * ggc-page.c (extra_order_size_tab): Add entries with
6329 size of struct function and basic_block.
6330 (size_lookup): Extend to cover sizes up to 511.
6331 (ggc_alloc_stat): Adjust user.
6332 (ggc_pch_count_object): Likewise.
6333 (ggc_pch_alloc_object): Likewise.
6334 (ggc_pch_write_object): Likewise.
6336 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
6338 * tree-ssa-loop-niter.c (implies_ge_p): New function.
6339 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
6342 2006-06-19 Denis Chertykov <denisc@overta.ru>
6344 * config/avr/libgcc.S : Correct my wrong previous commit.
6346 2006-06-19 Roger Sayle <roger@eyesopen.com>
6349 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
6350 have stripped a SUBREG from the shift count, so we may need to
6351 convert_to_mode back to the type's mode before calling make_tree.
6352 Use new_amount instead of amount to avoid expanding a tree twice.
6354 2006-06-19 Richard Guenther <rguenther@suse.de>
6357 * fold-const.c (operand_equal_p): Check if the argument types
6358 have the same precision before stripping NOPs.
6360 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
6362 Fix PR tree-optimization/27341
6363 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
6365 * tree-complex.c (pass_lower_complex): Update SMT usage.
6367 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
6369 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
6370 Add a new alternative to the constraint strings. Add move of
6371 operand 1 to 3 to the splitter definition.
6372 ("doloop_si_long"): Second contraint alternative removed.
6374 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6376 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6377 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6379 (AVR_HAVE_MOVW) Define.
6380 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6381 (ASM_SPEC): Add avr25.
6382 (LINK_SPEC): Add avr25.
6383 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6384 (base_arch_s): Add new member 'have_movw_lpmx'.
6385 (avr_arch_types): Init 'have_movw_lpmx'.
6386 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6387 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6388 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6389 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6390 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6392 (avr_file_start): Do not output '.arh' derective.
6393 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6394 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6395 * config/avr/avr.md (mcu_enhanced): Delete.
6396 (mcu_have_movw): Define.
6397 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6398 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6399 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6400 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6401 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6402 attiny861 and at86rf401 devices.
6404 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6406 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6409 2006-06-17 Karl Berry <karl@gnu.org>
6411 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6412 doc/gccint.texi, doc/install.texi (@dircategory): Use
6413 "Software development" instead of "Programming", following
6414 the Free Software Directory.
6416 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6418 * config/i386/i386.c (legitimate_tls_address)
6419 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6420 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6421 (*tls_dynamic_gnu2_combine_64): Likewise.
6423 2006-06-16 Richard Guenther <rguenther@suse.de>
6426 * fold-const.c (negate_expr_p): Do not introduce undefined
6427 overflow in negating INTEGER_CSTs.
6428 (fold_negate_expr): Rename from negate_expr. Revert last
6429 change for folding BIT_NOT_EXPR. Change semantics to
6430 return NULL_TREE for non-simplified negations. Do not
6431 strip type conversions and unify type handling.
6432 (negate_expr): New function, wrap around fold_negate_expr
6433 but ensure building a tree always. Strip type conversions
6434 here, fold to result type.
6435 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6437 2006-06-16 Roger Sayle <roger@eyesopen.com>
6440 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6441 that (would) return their results in stack registers.
6443 2006-06-16 Michael Matz <matz@suse.de>
6444 Richard Guenther <rguenther@suse.de>
6446 * fold-const.c (fold_truthop): Only return new tree node if
6447 we canonicalized something.
6449 2006-06-16 Richard Guenther <rguenther@suse.de>
6451 * function.h (enum function_frequency): Move declaration
6452 out of struct function.
6453 (struct function): Move bool fields and the enum to the bitfield
6454 section. Reorder elements to avoid padding. Remove unused
6455 fields left over from the RTL inliner removal.
6456 * function.c (free_after_compilation): Do not zero removed fields.
6457 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6458 (ipa-type-escape.o): Likewise.
6460 2006-06-16 Richard Guenther <rguenther@suse.de>
6462 * cgraph.h (struct cgraph_local_info): Turn bool elements
6464 (struct cgraph_node): Likewise.
6465 (struct cgraph_varpool_node): Likewise.
6467 2006-06-15 Richard Guenther <rguenther@suse.de>
6469 * fold-const.c (fold_truth_not_expr): Rename from
6470 invert_truthvalue. Give it fold_* semantics to avoid
6472 (invert_truthvalue): New function. Wrapper around
6473 fold_truth_not_expr.
6474 (optimize_minmax_comparison): Avoid creating garbage.
6475 (fold_unary): Use fold_truth_not_expr for folding
6477 (fold_ternary): Replace uses of invert_truthvalue with
6478 fold_truth_not_expr where applicable.
6479 * tree.h (fold_truth_not_expr): Prototype.
6481 2006-06-16 Richard Guenther <rguenther@suse.de>
6483 PR tree-optimization/27781
6484 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6485 * ipa-pure-const.c (target.h): Include.
6486 (analyze_function): Do not analyze functions that do not
6489 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6492 * tree-dfa.c (referenced_vars_dup_list): Remove.
6493 (find_referenced_vars): Remove assert.
6494 (referenced_var_check_and_insert): Replace dup list with assert.
6495 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6496 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6498 2006-06-15 Richard Guenther <rguenther@suse.de>
6500 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6501 extra unused identifiers if not dumping.
6502 (create_variable_info_for): Likewise.
6504 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6506 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6507 (derive_constant_upper_bound): Derive more precise upper bound in
6508 common cases. Return type changed to double_int.
6509 (record_estimate): Reflect the changed return type of
6510 derive_constant_upper_bound.
6511 * double-int.c (double_int_zext, double_int_sext): Fix.
6513 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6515 * configure.ac (CFLAGS): Get them from the toplevel or from the
6516 configure invocation.
6517 * configure: Regenerate.
6518 * Makefile.in (CFLAGS): Substitute value provided by configure.
6520 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6523 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6524 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6525 rather than calling add_stmt on it.
6526 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6528 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6531 * reload1.c (reload): Remove registers returned by update_eliminables
6532 from used_spill_regs.
6534 2006-06-13 DJ Delorie <dj@redhat.com>
6536 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6538 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6540 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6541 html__strip_dir, html__mkdir_p. Enhance install-html target.
6542 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6543 * configure: Regenerate.
6545 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6547 * fold-const.c (fold_cond_expr_with_comparison): Check for
6548 Objective-C++ as language in deciding COND_EXPR transformation.
6550 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6553 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6554 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6555 * config/sh/lib1funcs.h (SL, SL1): Define.
6556 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6557 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6558 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6559 (OBJS_Os_4_200): New variable.
6560 ($(T)libgcc-Os-4-200.a): Use it.
6561 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6562 when dividing 1 and/or by 0.
6564 2006-06-13 Roger Sayle <roger@eyesopen.com>
6566 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6567 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6568 * configure: Regenerate.
6570 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6572 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6573 for real instruction.
6575 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6578 * haifa-sched.c (check_cfg): Handle special case.
6580 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6583 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6584 Add debug_info parameter. Chain the vars to the BLOCK instead
6585 of the BIND_EXPR if debug info are requested for them.
6586 (pop_gimplify_context): Adjust for above change.
6587 (gimple_add_tmp_var): Likewise.
6588 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6590 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6591 (convert_local_reference): Likewise.
6592 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6593 (finalize_nesting_tree_1): Request that debug info be emitted
6594 for debug_var_chain.
6596 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6598 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6599 for PR target/27863.
6601 2006-06-13 Richard Guenther <rguenther@suse.de>
6604 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6606 2006-06-13 Richard Guenther <rguenther@suse.de>
6608 PR tree-optimization/27830
6609 * tree-inline.c (copy_body_r): For copying the operand
6610 of an ADDR_EXPR make sure to fold &* afterwards.
6612 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6614 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6615 lvalues in the fb_none case with side-effects.
6617 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6619 * tree-flow.h: Remove the prototype for
6620 compute_phi_arg_on_exit.
6621 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6622 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6625 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6627 * builtins.c (expand_builtin_return_addr): Only use
6628 frame_pointer_rtx when count == 0 and we are expanding
6629 __builtin_return_address.
6631 2006-06-12 Fred Fish <fnf@specifix.com>
6633 * config/mips/mips.c (mips_file_start): Create special section
6634 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6636 2006-06-11 Eric Christopher <echristo@apple.com>
6639 * stor-layout.c (place_field): Remove check for
6640 remaining_in_alignment when aligning at the end of a run.
6642 2006-06-11 Eric Christopher <echristo@apple.com>
6645 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6648 2006-06-11 Roger Sayle <roger@eyesopen.com>
6651 Revert incorrect fix for PR target/27158
6652 2006-05-08 Roger Sayle <roger@eyesopen.com>
6653 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6654 of a reg_equiv_constant if the result is a legitimate constant.
6656 2006-06-11 Roger Sayle <roger@eyesopen.com>
6659 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6660 extract a CONST_VECTOR element and interpret it as an integer.
6661 (vspltis_constant): Use const_vector_elt_as_int instead of the
6662 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6663 * config/rs6000/predicates.md (easy_vector_const): Consider
6664 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6666 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6669 * stor-layout.c (update_alignment_for_field): Don't add extra
6670 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6673 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6675 * config/mips/t-rtems: Add EL/EB multilib variants.
6677 2006-06-09 Mike Stump <mrs@apple.com>
6679 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6681 2006-06-09 David Daney <ddaney@avtrex.com>
6683 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6685 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6687 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6689 2006-06-09 Richard Guenther <rguenther@suse.de>
6691 PR tree-optimization/26998
6692 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6693 of signed types, only TYPE_MIN_VALUE is special, but for both,
6694 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6695 in this case, as is -fwrapv.
6697 2006-06-08 Mike Stump <mrs@apple.com>
6700 * config/darwin.c (darwin_asm_output_anchor): Disable
6701 -fsection-anchors on darwin for now.
6702 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6703 * rs6000/rs6000.c (optimization_options): Likewise.
6705 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6708 * config/i386/i386.c (classify_argument): Skip fields with invalid
6711 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6713 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6714 (cse_insn): Likewise for the stack_pointer_rtx.
6716 2006-06-08 Roger Sayle <roger@eyesopen.com>
6718 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6719 conditions from floating point comparisons.
6721 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6724 * expmed.c (struct alg_hash_entry): Fix type of field T
6725 to match synth_mult argument.
6726 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6728 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6731 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6734 2006-06-08 Richard Guenther <rguenther@suse.de>
6737 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6738 only, if overflow is defined and not trapping.
6739 (negate_expr): Likewise.
6741 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6743 PR tree-optimization/27872
6744 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6745 flag on the new exit edge of the unrolled loop.
6747 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6749 PR rtl-optimization/26449
6750 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6752 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6755 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6756 referenced_variables with matching DECL_UID's.
6757 (find_referenced_vars): Make sure duplicate list is empty to start.
6758 (referenced_var_p): Remove.
6759 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6760 Check if var is in the list, and add if needed. Update the duplicate
6761 list if a different var is in the list with the same DECL_UID.
6762 (add_referenced_var): Call routine to check and insert.
6763 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6764 * tree-flow.h (referenced_vars_dup_list): External declaration.
6766 2006-06-07 Fred Fish <fnf@specifix.com>
6768 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6771 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6774 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6775 the imaginary and real parts of a clobbered register.
6776 Emit insn to set the imaginary part.
6778 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6780 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6781 in lieu of unwind-dw2-fde.c.
6783 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6785 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6787 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6790 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6791 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6792 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6793 V4SImode temporaries and operations instead.
6795 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6797 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6800 2006-06-06 Mike Stump <mrs@apple.com>
6802 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6803 installing during build.
6805 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6807 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6809 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6810 * config/ia64/ia64.c (params.h): New header.
6811 (ia64_optimization_options): New function to adjust parameters.
6812 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6813 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6814 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6816 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6818 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6820 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6823 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6825 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6826 Victor Kaplansky <victork@il.ibm.com>
6828 PR tree-optimization/26360
6829 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6832 2006-06-04 Roger Sayle <roger@eyesopen.com>
6833 Andrew Pinski <pinskia@physics.uc.edu>
6836 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6837 for LABEL_DECL before calling DECL_WEAK.
6840 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6841 LABEL_DECL and PARM_DECL.
6843 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6847 * c-decl.c (grokdeclarator): Disallow variably modified types at
6848 file scope. Avoid marking shared array type of constant size as
6851 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6854 * c-common.c (fold_offsetof_1): Handle static members.
6856 2006-06-04 Eric Christopher <echristo@apple.com>
6858 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6859 (debug_rli): Output value for remaining_in_alignment.
6860 (update_alignment_for_field): Unconditionalize
6861 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6862 extra alignment code.
6863 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6864 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6865 * tree.h (record_layout_info_s): Remove prev_packed.
6866 * doc/extend.texi (ms_struct): Add documentation of format.
6868 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6870 * tree.h: Declare folding_initializer.
6871 * builtins.c (fold_builtin_constant_p): Give definite answer
6872 if folding inside an initializer.
6873 * fold-const.c: Define folding_initializer.
6874 (START_FOLD_INIT): Save and then set folding_initializer.
6875 (END_FOLD_INIT): Restore folding_initializer.
6877 2006-06-04 Richard Guenther <rguenther@suse.de>
6879 PR tree-optimization/27039
6880 * fold-const.c (fold_comparison): Handle pointer comparison
6881 again for all comparison codes. Compare offsets in signed
6883 (fold_binary): Move code from here.
6885 2006-06-03 Roger Sayle <roger@eyesopen.com>
6888 * config/i386/i386.c (construct_container): Split static issued_error
6889 flag into issued_sse_arg_error, issued_sse_ret_error and
6890 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6891 requires the use of x87 registers and the user explicitly
6892 specified the -mno-80387 command line option.
6894 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6896 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6897 HAVE_DECL_SIGALTSTACK.
6899 (segv_handler): Use MC_FLD.
6900 * configure.ac: Check for a sigaltstack declaration.
6901 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6902 * configure: Regenerate.
6903 * config.in: Regenerate.
6905 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6908 * Makefile.in (stmp-fixinc): Fix typo.
6910 2006-06-02 Roger Sayle <roger@eyesopen.com>
6912 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6913 are type correct. Clean-up.
6914 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6915 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6917 2006-06-01 DJ Delorie <dj@redhat.com>
6919 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6920 shift, as we've disabled the "switch" insn that needs it.
6922 2006-06-01 Per Bothner <bothner@bothner.com>
6924 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6925 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6926 * c-ppoutput.c (cb_define): Don't increment line 0.
6928 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6930 * doc/invoke.texi: Add cpu_type power6.
6931 * config.gcc: Add cpu_type power6.
6932 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6933 to power5+ with Altivec.
6934 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6935 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6937 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6939 * config/avr/avr.h (SET_ASM_OP): Define.
6941 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6943 * config/bfin/bfin.c: Fix comment typos.
6945 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6948 * doc/install.texi: Document --enable-bootstrap and
6949 --disable-bootstrap.
6951 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6953 * doc/install.texi: Document that InfoZIP can replace jar.
6955 2006-05-31 Roger Sayle <roger@eyesopen.com>
6957 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6958 isn't available, directly generate the simpler x87 patterns without
6959 the (use (const_int 0)).
6960 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6961 implementation isn't available.
6962 (*negdf2_1): Likewise.
6963 (*negxf2_1): XF mode negation is always done using the x87.
6964 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6966 2006-05-31 Roger Sayle <roger@eyesopen.com>
6968 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6969 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6971 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6973 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6975 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6976 * config/bfin/bfin.c (basic-block.h): Include.
6977 (struct machine_function): New.
6978 (bfin_init_machine_status): New.
6979 (override_options): Initialize init_machine_status.
6980 (bfin_hardware_loop): New.
6981 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6982 (DEF_VEC_P (loop_info)): New.
6983 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6984 (struct loop_info): New.
6985 (loop_info): New typedef.
6986 (struct loop_work): New.
6987 (loop_work): New typedef.
6988 (DEF_VEC_O (loop_work)): New.
6989 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6990 (bfin_dump_loops): New.
6991 (bfin_bb_in_loop): New.
6992 (bfin_scan_loop): New.
6993 (bfin_optimize_loop): New.
6994 (bfin_reorg_loops): New.
6995 (bfin_reorg): Use bfin_reorg_loops.
6996 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6998 (I_REGNO_P): Simplify.
6999 (DP_REGNO_P, DPREG_P): New macros.
7000 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7001 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7002 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7003 Add LT_REGS, LC_REGS, LB_REGS.
7004 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7006 (REGNO_REG_CLASS): Deal with loop registers.
7007 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7009 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7010 New constants for loop registers.
7011 (UNSPEC_LSETUP_END): New.
7012 (seq_insns): New define_attr. Set it for appropriate insns.
7013 (movsi_insn): Add alternatives for move from/to
7014 loop count registers.
7015 (doloop_end): New define_expand.
7016 (loop_end): New define_insn.
7017 (define_split for bad doloop_end): New.
7018 (lsetup_with_autoinit): New define_insn.
7019 (lsetup_without_autoinit): New define_insn.
7020 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7021 * config/bfin/predicates.md (lc_register_operand): New.
7022 (lt_register_operand): New.
7023 (lb_register_operand): New.
7024 (nondp_register_operand): New.
7025 (nondp_reg_or_memory_operand): New.
7026 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7028 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7030 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7031 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7033 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7035 * Makefile.in (CATALOGS): Add po/ prefix.
7036 * configure: Regenerated.
7038 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7041 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7042 a shift operand before calling shift_op. Avoid redundant call of
7045 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7046 DJ Delorie <dj@redhat.com>
7048 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7049 we're inserting is a singlt-bit constant.
7051 2006-05-30 Roger Sayle <roger@eyesopen.com>
7053 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7054 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7056 2006-05-30 Roger Sayle <roger@eyesopen.com>
7058 PR tree-optimization/23452
7059 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7060 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7061 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7062 complex values and with -ffast-math for FP complex values.
7064 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7066 * c-common.h: Remove the prototype for yyparse.
7067 * rtl.h: Remove the prototype for init_loop.
7069 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7071 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7074 2006-05-30 Roger Sayle <roger@eyesopen.com>
7076 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7078 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7079 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7081 2006-05-30 Dirk Mueller <dmueller@suse.de>
7084 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7085 for CONSTANT_CLASS_P expresisons.
7087 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7090 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7092 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7094 PR tree-optimization/27779
7095 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7096 initial_condition instead of CHREC_LEFT.
7098 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7100 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7101 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7102 Make prototypes ISO C90.
7104 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7105 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7107 * see.c (see_analyze_one_def): Correct check.
7108 (see_get_extension_data): Check if extension is parallel.
7109 (see_get_extension_reg): Likewise.
7111 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7114 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7115 into register for (code == GTU).
7117 2006-05-29 Roger Sayle <roger@eyesopen.com>
7119 PR tree-optimization/24964
7120 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7121 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7122 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7123 abs(x)*abs(x) as x*x for scalar floating point modes.
7125 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7128 * lambda-code.c (perfect_nestify): Don't copy statements
7129 in the inner loop: move them to the inner loop header.
7131 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7134 * c-tree.texi: Document OpenMP directives and clauses.
7136 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7138 * varasm.c (globalize_decl): Fix indentation.
7140 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7143 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7144 pass_fre, pass_store_ccp, pass_copy_prop,
7145 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7146 pass_return_slot, pass_object_size, pass_lim,
7147 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7148 pass_loop_prefetch and pass_stdarg.
7150 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7152 * config/bfin/bfin.opt (mfdpic): New option.
7153 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7154 (EXTRA_MULTILIB_PARTS): Likewise.
7155 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7156 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7158 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7159 (CRT_CALL_STATIC_FUNCTION): New.
7160 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7162 (CRT_CALL_STATIC_FUNCTION): New.
7163 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7165 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7166 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7167 (initialize_trampoline): Changed to handle FD-PIC code generation.
7168 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7169 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7170 (override_options): Disallow -mid-shared-library -mfdpic combination.
7171 Can't do unaligned ops if FD-PIC.
7172 Turn off flag_pic if trying to generate non-id-shared-library
7173 non-fdpic code, since it's not supported.
7174 (bfin_assemble_integer): New function.
7175 (TARGET_ASM_INTEGER): Define.
7176 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7178 * config/bfin/crtn.s: Restore them.
7179 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7181 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7182 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7183 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7184 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7185 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7187 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7188 FDPIC_REGS and FDPIC_FPTR_REGS.
7189 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7190 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7191 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7192 (load_funcdescsi): New pattern.
7193 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7194 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7195 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7197 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7199 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7202 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7204 * tree-flow.h: Remove the prototype for add_type_alias.
7205 * tree-ssa-alias.c (add_type_alias): Remove.
7207 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7209 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7210 config/fr30/fr30.md, config/i386/i386-interix.h,
7211 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7212 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7213 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7214 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7215 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7216 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7217 Follow spelling conventions.
7218 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7219 Follow spelling conventions.
7221 2006-05-27 Richard Guenther <rguenther@suse.de>
7224 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7225 to produce a constant of value 1 of generic type.
7227 2006-05-27 Dirk Mueller <dmueller@suse.de>
7229 * cgraphunit.c (decide_is_function_needed): Fix wrong
7232 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7234 PR rtl-optimization/27661
7235 * reload.c (find_reloads): When reloading a VOIDmode constant
7236 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7237 use Pmode as mode of the reload register.
7239 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7241 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7242 is enabled at -O and above.
7244 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7247 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7250 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7253 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7254 for anonymous variables explicitly declared by front ends.
7256 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7258 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7259 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7260 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7261 ref-all pointers, run a finalization pass for them.
7262 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
7263 (finalize_ref_all_pointers): New function.
7264 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
7265 regular pointer type to a ref-all pointer type.
7266 (get_tmt_for): Return the special memory tag for ref-all pointers.
7268 2006-05-25 Richard Guenther <rguenther@suse.de>
7271 * fold-const.c (fold_binary): Do not look at the stripped
7272 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
7274 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7276 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
7277 for LT and GT if the computed range is effectively empty.
7279 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7282 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
7283 mips_quad_format formats instead of ieee_single_format,
7284 ieee_double_format and ieee_quad_format formats, respectively.
7286 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
7288 PR tree-optimization/27639
7289 PR tree-optimization/26719
7290 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
7291 call to scev_probably_wraps_p.
7292 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
7293 used_in_pointer_arithmetic_p, convert_step): Removed.
7294 (nowrap_type_p): New function.
7295 (scev_probably_wraps_p): Rewritten.
7296 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
7297 chrec_convert if chrec_convert_aggressive might have been used.
7298 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
7299 scev_direction): New functions.
7300 (chrec_convert): Changed to a wrapper over chrec_convert_1.
7301 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
7302 instead of convert_step.
7303 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
7304 (convert_step): Declaration removed.
7305 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
7307 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
7309 * df-core.c: Added to header comments.
7310 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
7311 df_ur_bb_info, df_urec_bb_info): Added comments.
7312 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
7313 urec, ri problems): Fixed header comments.
7314 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
7315 code from df_rd_transfer_function.
7317 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7319 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
7320 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
7321 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
7323 2006-05-23 Joseph Myers <joseph@codesourcery.com>
7325 * expr.c (undefined_operand_subword_p): New.
7326 (emit_move_multi_word): Do not generate move from undefined bits
7327 of a paradoxical subreg.
7329 2006-05-23 Richard Sandiford <richard@codesourcery.com>
7331 PR rtl-optimization/27736
7332 * combine.c (replaced_rhs_value): New variable.
7333 (combine_instructions): Set it.
7334 (distribute_notes): When distributing a note in replaced_rhs_insn,
7335 check whether the value was used in replaced_rhs_value.
7337 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
7340 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
7341 add_referenced_var instead of add_referenced_tmp_var.
7342 * tree-complex.c (create_one_component_var): Use add_referenced_var.
7343 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
7345 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
7346 tree_optimize_tail_calls_1): Use add_referenced_var.
7347 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
7348 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
7349 Use add_referenced_var.
7350 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
7351 * gimplify.c (force_gimple_operand): Use add_referenced_var.
7352 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
7353 Use add_referenced_var.
7354 * tree-dfa.c (struct walk_state): Remove.
7355 (find_referenced_vars): Remove walk state and vars_found hash table.
7356 (make_rename_temp): Use add_referenced_var.
7357 (find_vars_r): Pass less parameters to add_referenced_var.
7358 (referenced_var_p): New. Is var in referenced_var hash table.
7359 (referenced_var_insert): Assert var isn't already in hash table.
7360 (add_referenced_var): Don't need walk_state parameter. Add var if it
7361 isn't already in the hash table.
7362 (add_referenced_tmp_var): Remove.
7363 (find_new_referenced_vars_1): Use add_referenced_var.
7364 * tree-ssa-pre.c (create_expression_by_pieces,
7365 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
7366 Use add_referenced_var.
7367 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
7368 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7369 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
7371 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7372 vect_create_data_ref_ptr, vect_create_destination_var,
7373 vect_init_vector, vect_build_loop_niters,
7374 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7375 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7376 Use add_referenced_var.
7377 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7378 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7379 (add_referenced_var): Add prototype.
7380 * tree-ssa-structalias.c (get_constraint_for,
7381 intra_create_variable_infos): Use add_referenced_var.
7383 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7385 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7386 big-endian paradoxical subregs.
7387 * var-tracking.c (struct micro_operation_def): Document that,
7388 for modify micro operations, insn is the subsequent instruction.
7389 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7390 (var_reg_set, var_mem_set): ... new functions.
7391 (add_stores): Record subsequent insn.
7392 (compute_bb_dataflow): Use new functions for MO_USE.
7393 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7394 notes after the insn, and modify notes before the insn known
7395 to be the subsequent one.
7396 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7398 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7401 * config/i386/i386.c (ix86_expand_builtin): Use
7402 gen_sse3_monitor64 for TARGET_64BIT.
7404 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7406 PR rtl-optimization/26375
7407 PR rtl-optimization/26855
7408 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7410 (df_ru_bb_local_compute): Reversed statements and removed bogus
7411 comment explaining why they should be in wrong order.
7412 (df_ru_dump, df_rd_dump): Enhanced debug info.
7413 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7415 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7416 reaching uses and fixed space problem.
7418 2006-05-23 Jan Hubicka <jh@suse.cz>
7420 * cgraphunit.c (decide_is_function_needed): Also nested functions
7421 and functions declared inline can be optimized out at -O0.
7423 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7425 * doc/install.texi (Configuration): Remove reference to CrossGCC
7429 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7432 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7433 ix86_compare_emitted is non-NULL.
7435 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7438 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7441 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7443 PR rtl-optimization/25514
7444 * combine.c (replaced_rhs_insn): New variable.
7445 (combine_instructions): Set replaced_rhs_insn when trying to replace
7446 a SET_SRC with a REG_EQUAL note.
7447 (distribute_notes): Use replaced_rhs_insn when determining the live
7448 range of a REG_DEAD register.
7450 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7451 Anatoly Sokolov <aesok@post.ru>
7453 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7454 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7455 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7456 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7457 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7458 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7459 at90usb647, at90usb1286 and at90usb1287 devices.
7460 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7461 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7463 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7465 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7467 2006-05-22 Richard Guenther <rguenther@suse.de>
7470 2006-01-31 Richard Guenther <rguenther@suse.de>
7471 Paolo Bonzini <bonzini@gnu.org>
7473 * doc/install.texi (--disable-libgcc-math): Document.
7475 2006-05-22 Richard Guenther <rguenther@suse.de>
7478 2006-01-31 Richard Guenther <rguenther@suse.de>
7480 * doc/invoke.texi (-msselibm): Document.
7481 * target.h (expand_library_builtin): New target hook.
7482 * builtins.c (expand_builtin): Use expand_library_builtin.
7483 (default_expand_library_builtin): New function.
7484 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7485 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7486 (link_gcc_math_spec): Declare.
7487 (static_specs): Add link_gcc_math_spec.
7488 * expr.h (default_expand_library_builtin): Declare.
7489 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7490 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7491 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7492 * config/i386/i386.opt (msselibm): New target option.
7493 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7494 (ix86_init_sse_abi_builtins): New function.
7495 (ix86_expand_library_builtin): Likewise.
7496 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7497 (override_options): Handle error conditions wrt -msselibm.
7498 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7499 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7500 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7503 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7506 * c-common.c (self_promoting_args_p): Skip erroneous args.
7509 * c-decl.c (finish_struct): Skip erroneous fields.
7511 2006-05-22 Nick Clifton <nickc@redhat.com>
7513 * config/cris/cris.opt (march): Remove VarExists attribute.
7514 (max-stackframe=): Likewise.
7516 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7518 * doc/rtl.texi: Fix a typo.
7519 * see.c: Fix comment typos.
7521 * tree-ssa-structalias.h (alias_info): Remove num_references.
7523 2006-05-21 Mike Stump <mrs@apple.com>
7525 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7527 (darwin_pragma_options): Use BAD instead.
7528 (darwin_pragma_unused): Likewise.
7529 (darwin_pragma_ms_struct): Likewise.
7531 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7533 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7535 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7537 PR rtl-optimization/27671
7538 * simplify-rtx.c (simplify_relational_operation_1): Fix
7539 simplifications of (eq/ne (xor x y) y) and
7540 (eq/ne (xor x y) x).
7542 PR tree-optimization/26622.
7543 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7546 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7548 * tree-cfg.c: Prune whitespace.
7549 (debug_tree_cfg): Point to correct header containing the
7552 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7555 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7557 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7560 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7561 or sorry count is non zero.
7563 2006-05-20 Andreas Schwab <schwab@suse.de>
7565 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7567 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7568 Kenneth Zadeck <zadeck@naturalbridge.com>
7570 PR rtl-optimization/26855
7572 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7574 (df_scan_alloc): Added code to properly handle multiword hard
7575 registers and add all_blocks parameter.
7576 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7577 code to properly handle multiword hard registers.
7578 (df_rescan_blocks): Added code to remove deleted blocks from
7580 (df_ref_create_structure, df_ref_record): Added code to properly
7582 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7583 and set DF_REF_PARTIAL.
7584 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7585 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7586 (df_scan_add_problem): Added flags parameter.
7587 (df_ref_create_structure): Changed switching structure.
7588 (df_bb_refs_record): Fixed case where duplicate artificial refs
7589 were created. Changed location of flags.
7590 (df_record_entry_block_defs): Added code to make stack pointer
7591 live in entry block. Refined cases where frame pointer is needed.
7592 Changed location of flags.
7593 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7594 (df_set_state): Removed function.
7595 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7596 df_insn_create_insn_record, df_insn_refs_delete,
7597 df_ref_create_structure): Formatting changes.
7598 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7599 df_delete_basic_block): New function.
7600 (df_init): Changed location of flags.
7601 (df_add_problem): Added flags parameter and the way flags are
7603 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7604 debug_df_chain): Improved debugging output.
7605 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7606 (df_refs_chain_dump): Removed df parameter.
7607 (df_iterative_dataflow): Added consistency check.
7608 (df_prune_to_subcfg): Made public.
7609 (df_analyze_problem): Added blocks_to_init parameter and made
7611 (df_ref_record, df_bb_refs_record, df_mark_reg,
7612 df_record_exit_block_uses): Whitespace changes.
7613 (df_dump): Whitespace changes.
7614 * df.h: Some reordering to remove forward references.
7615 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7616 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7617 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7618 (dataflow.flags): New field.
7619 (df.flag): Deleted field.
7620 (df_alloc_function): Added additional bitmap parameter.
7621 (df_dependent_problem_function): New type.
7622 (df_problem.changeable_flags): New field.
7623 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7624 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7625 (df_mw_hardreg): New struct.
7626 (DF_INSN_UID_MWS): New macro.
7627 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7629 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7630 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7631 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7632 (df_set_state): Removed function.
7633 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7634 * df-problems.c (df_chain_dump): Removed df parameter.
7635 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7636 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7638 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7639 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7640 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7641 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7642 DF_REF_MUST_CLOBBER cases.
7643 (df_ru_bb_local_compute_process_def,
7644 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7645 df_lr_bb_local_compute, df_ur_bb_local_compute,
7646 df_chain_create_bb): Made subreg aware.
7647 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7648 df_lr_bb_local_compute, df_lr_bb_local_compute,
7649 df_chain_create_bb): Cleanup to use proper macros.
7650 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7651 code to fixup bitvectors.
7652 (df_ri_alloc): Cleared lifetime.
7653 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7654 df_create_unused_note): New function.
7655 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7656 REG_DEAD and REG_UNUSED notes as well as register information.
7657 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7658 df_chains_dump): Fixed crash if problem was never run.
7659 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7660 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7661 df_ri_add_problem): Processes flags in uniform manner.
7662 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7663 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7664 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7665 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7666 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7667 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7668 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7669 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7670 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7671 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7672 * see.c (see_initialize_data): Ditto.
7673 * final.c (rest_of_clean_state) Added regstack_completed.
7674 * rtl.h (regstack_completed): Ditto.
7675 * reg-stack.c (regstack_completed): Ditto.
7677 2006-05-19 Mike Stump <mrs@apple.com>
7679 * c-tree.h (default_conversion): Remove.
7680 * c-common.h (default_conversion): Add.
7682 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7684 * tree-vrp.c (valid_value_p): New function.
7685 (adjust_range_with_scev): Fail if the value of bound is not
7688 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7690 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7691 (mips_fallback_frame_state): Use syscall numbers to determine
7692 the appropriate li instruction for the current ABI. Only use
7693 __NR_sigreturn for o32.
7695 2006-05-19 Nicolas Setton <setton@adacore.com>
7697 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7698 * langhooks.c (lhd_dwarf_name): New function.
7699 * langhooks-def.h (lhd_dwarf_name): Declare.
7700 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7701 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7702 * ada/misc.c (gnat_dwarf_name): New function.
7703 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7705 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7707 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7709 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7710 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7711 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7712 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7713 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7714 determine the size of Wtype, etc.
7715 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7716 (swfloatfuncs): New variable.
7717 (dwfloatfuncs): Likewise.
7718 (lib2funcs): Remove floating-point conversion functions from
7719 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7720 the set of conversion routines needed. Allow entries to specify
7721 an object name, filename and word size. Update users accordingly.
7722 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7723 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7727 2006-02-08 Roger Sayle <roger@eyesopen.com>
7730 * config/fixtfdi.c: New libgcc source file.
7731 * config/fixunstfdi.c: New source file.
7732 * config/floatditf.c: New source file.
7733 * config/floatunditf.c: New souce file.
7734 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7735 files above instead of config/mips/_tilib.c.
7736 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7738 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7740 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7741 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7743 2006-05-18 Mike Stump <mrs@apple.com>
7745 Fix up vla, vm and [*] sematics.
7751 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7752 (c_vla_unspec_p): Add.
7753 (c_vla_type_p): Add.
7754 * c-decl.c (struct c_scope): Add had_vla_unspec.
7755 (build_array_declarator): Add support for [*].
7756 (grokdeclarator): Likewise.
7757 (grokparms): Likewise.
7758 (get_parm_info): Likewise.
7759 * c-objc-common.c (c_vla_unspec_p): Likewise.
7760 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7761 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7762 typeof when argument is a variably modified type not inside sizeof or alignof.
7763 (c_parser_direct_declarator_inner): Propagate errors.
7764 (c_parser_sizeof_expression): Add support for [*].
7765 (c_parser_parms_declarator): Initialize had_vla_unspec.
7766 (c_parser_parms_list_declarator): Likewise.
7767 * c-typeck.c (c_vla_type_p): Add.
7768 (composite_type): Add support for vla compositing.
7769 (comptypes_internal): Add support for vla compatibility.
7770 (c_expr_sizeof_expr): Evaluate vla arguments.
7771 * tree.c (variably_modified_type_p): Update comment for [*].
7773 2006-05-18 Michael Matz <matz@suse.de>
7776 * config.host: Make assignments to host_xmake_file cumulative.
7777 * config.host (*-darwin*): Test $host, not $target.
7779 2006-05-12 Stuart Hastings <stuart@apple.com>
7781 * config/i386/i386.opt (-mstackrealign): New flag.
7782 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7783 (ix86_handle_cconv_attribute): Emit error when
7784 force_align_arg_pointer attribute collides with too many regparms.
7785 (ix86_function_regparm): Limit regparms when used with
7786 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7787 Support stack-realigning prologue in non-main functions. Emit
7788 warning for nested functions under -mstackrealign, emit error for
7789 nested functions with force_align_arg_pointer attribute.
7790 * doc/extend.texi (force_align_arg_pointer): Document it.
7791 * doc/invoke.texi (-mstackrealign): Document it.
7793 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7795 PR rtl-optimization/27477
7796 * combine.c (try_combine): Don't split a parallel consisting
7797 of two sets into two individual sets if both sets reference
7800 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7802 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7803 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7805 * doc/options.texi (VarExists): Updated.
7807 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7809 * unwind-dw2.c: Add declarations for uw_update_context and
7811 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7812 detected, advance frame state and context once to skip over stub.
7814 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7818 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7819 Call rewrite_into_loop_closed_ssa only when something changed.
7820 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7821 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7822 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7823 Test for perfect_nest_p here. Fix formating.
7824 (replace_uses_equiv_to_x_with_y): Fix formating.
7825 (stmt_uses_op): Removed.
7826 (can_convert_to_perfect_nest): Removed loopivs parameter.
7827 Complete the test by checking the scalar dependences.
7828 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7831 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7834 From Dan Kegel <dank@kegel.com>:
7835 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7837 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7839 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7840 if the element type is variably modified without recursing.
7842 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7845 * tree-loop-linear.c (try_interchange_loops): Test for
7846 no data dependences.
7848 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7850 PR tree-optimization/27548
7851 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7852 range of ssa names that appear on abnormal edges.
7853 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7854 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7856 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7859 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7861 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7864 * tree.h (OMP_PARALLEL_COMBINED): Define.
7865 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7866 (new_omp_context): Add is_combined_parallel argument.
7867 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7868 new_omp_context caller.
7869 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7870 Adjust gimplify_scan_omp_clauses callers.
7871 (omp_is_private): Issue errors if iteration variable is firstprivate
7872 or reduction in the current context.
7873 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7874 on combined parallel workshare constructs.
7876 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7878 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7879 (gcc-options.o): New rule.
7881 * optc-gen.awk: Protect variables for gcc-options.o with
7882 #ifdef GCC_DRIVER/#endif.
7884 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7886 Fix PR tree-optimization/27373
7887 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7888 (forward_propagate_addr_expr): Update call.
7890 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7892 * doc/options.texi: Move the Negative option.
7894 2006-05-16 Richard Guenther <rguenther@suse.de>
7896 PR tree-optimization/22303
7897 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7899 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7900 ccp_fold did not simplify the statement.
7902 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7905 * Makefile.in (GCC_OBJS): New.
7906 (OBJS-common): Add opts-common.o.
7907 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7908 (cpp$(exeext)): Likewise.
7909 (gcc.o): Also depend on opts.h.
7910 (opts-common.o): New.
7912 * common.opt (gcoff): Add Negative(gdwarf-2).
7913 (gdwarf-2): Add Negative(gstabs).
7914 (gstabs): Add Negative(gstabs+).
7915 (gstabs+): Add Negative(gvms).
7916 (gvms): Add Negative(gxcoff).
7917 (gxcoff): Add Negative(gxcoff+).
7918 (gxcoff+): Add Negative(gcoff).
7919 * config/i386/i386.opt (m32): Add Negative(m64).
7920 (m64): Add Negative(m32).
7922 * doc/options.texi: Document the Negative option.
7924 * gcc.c: Include "opts.h".
7925 (main): Call prune_options after expandargv.
7927 * optc-gen.awk: Generate common declarations for all flag
7928 variables in options.c. Output the neg_index field.
7930 * opts.c (find_opt): Moved to ...
7931 * opts-common.c: Here. New file.
7933 * opts.h (cl_option): Add a neg_index field.
7935 (prune_options): Likewise.
7937 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7940 * omp-low.c (expand_omp_parallel): Don't assert
7941 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7942 instead search for it.
7945 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7948 2006-05-16 Andreas Schwab <schwab@suse.de>
7950 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7953 2006-05-15 Roger Sayle <roger@eyesopen.com>
7956 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7957 integer constants other than zero are only legitimate on TARGET_64BIT.
7958 <CONST_VECTOR> Only zero vectors are legitimate.
7959 (ix86_cannot_force_const_mem): Integral and vector constants can
7960 always be put in the constant pool.
7962 2006-05-16 DJ Delorie <dj@redhat.com>
7964 * crtstuff.c (__dso_handle): Set section from
7965 TARGET_LBIGCC_SDATA_SECTION if defined.
7966 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7967 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7969 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7972 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7975 2006-05-16 Ben Elliston <bje@au.ibm.com>
7977 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7979 2006-05-15 Per Bothner <per@bothner.com>
7981 * tree.c: (last_annotated_node): Use source_locus typedef.
7982 This permits bootstrapping with --enable-mapped-location.
7984 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7986 PR tree-optimization/26830
7987 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7988 (info_for_ssa_name, current_info_for_ssa_name_age,
7989 blocks_to_update): New variables.
7990 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7991 (clear_ssa_name_info, initialize_flags_in_bb,
7992 mark_block_for_update): New functions.
7993 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7994 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7995 prepare_def_site_for): Use mark_block_for_update.
7996 (mark_def_interesting): Assert that the processed block is marked in
7997 blocks_to_update. Do not take blocks argument.
7998 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8000 (rewrite_update_init_block, rewrite_update_stmt): Only process
8001 blocks with statements to rewrite.
8002 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8003 (update_ssa): Initialize and free blocks_to_update. Do not
8004 clear flags on statements. Do not use blocks bitmap.
8005 * tree.h (SSA_NAME_AUX): Removed.
8006 (struct tree_ssa_name): Removed aux field.
8007 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8009 2006-05-15 Richard Guenther <rguenther@suse.de>
8011 PR tree-optimization/27603
8012 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8013 Do computations in original type.
8015 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8017 * see.c: Code style changes such as redundant paranthesis,
8018 redundant intialization of local variables etc.
8019 (see_main): Declared now as static.
8020 * doc/invoke.texi: Update that -fsee is not enabled by
8023 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8025 * omp-low.c (check_omp_nesting_restrictions): New function.
8026 (scan_omp_1): Call it.
8029 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8030 construct, return *VAR.
8032 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8034 PR rtl-optimization/27406
8035 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8038 2006-05-14 Roger Sayle <roger@eyesopen.com>
8040 PR rtl-optimization/27538
8041 * combine.c (expand_compound_operation): Call gen_lowpart
8042 before calling simplify_shift_const.
8044 2006-05-14 Roger Sayle <roger@eyesopen.com>
8046 PR rtl-optimization/22563
8047 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8048 a fixed width bitfield, always force the intermediates into psuedos.
8050 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8053 * mkconfig.sh: Use operator = instead of == for test.
8055 2006-05-13 Nick Clifton <nickc@redhat.com>
8057 * dwarf2out.c (dbx_reg_number): Check return value from
8058 LEAF_REG_REMAP and only use it if it is valid.
8059 (multiple_reg_loc_descriptor): Likewise.
8061 2006-05-13 Richard Guenther <rguenther@suse.de>
8063 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8066 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8068 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8069 information attached to non-INSNs such as NOTEs.
8070 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8072 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8074 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8076 * config/s390/s390.md: Adjust comment describing On constraint.
8078 2006-05-11 Jan Hubicka <jh@suse.cz>
8080 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8081 to be output at -O0.
8083 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8086 * fold-const.c (size_binop): Move sanity check for arguments to
8087 the beginning of the function.
8090 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8093 2006-05-11 Richard Guenther <rguenther@suse.de>
8096 * fold-const.c (fold_unary): Handle intermediate conversion
8097 to a pointer type like intermediate conversion to an integer
8098 type in folding of (T1)(T2)var to var.
8099 Match the code to the comment in the final conversion for
8100 (T1)(T2)var to (T1)var regarding to type precision. Rather
8101 than disallow T1 being of pointer type, assert that both T1
8102 and var are of pointer type or not. Make sure not to fall
8103 over the frontends lazyness wrt array to pointer decay though.
8105 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8107 * arm.c (arm_struct_value_rtx): Delete.
8108 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8109 (arm_init_cumulative_args): Always initialize nregs to zero.
8111 2006-05-10 Richard Guenther <rguenther@suse.de>
8113 PR tree-optimization/27532
8114 * tree-object-size.c (plus_expr_object_size): Fix typo.
8116 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8119 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8120 ashrdi_const, ashrdi3): Use a scratch register.
8122 2006-05-10 Richard Guenther <rguenther@suse.de>
8124 PR tree-optimization/27302
8125 * fold-const.c (operand_equal_p): For two comparisons,
8126 try comparison of one comparison code swapped if that yields
8129 2006-05-10 Ben Elliston <bje@au.ibm.com>
8131 * tree-pretty-print.c (pretty_print_string): No need to handle
8132 '\0' as a special character.
8134 * tree.h: Include "hashtab.h".
8135 (iterative_hash_expr): Use hashval_t in its prototype.
8136 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8138 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8141 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8142 (hppa*64*-*-hpux11*): Ditto.
8143 (hppa[12]*-*-hpux11*): Ditto.
8145 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8148 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8150 2006-05-09 Michael Matz <matz@suse.de>
8152 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8153 host_extra_gcc_objs and host_xmake_file.
8154 (<*-*-linux*>): Don't overwrite host_xmake_file.
8155 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8156 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8157 (host_detect_local_cpu): Declare.
8158 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8159 * config/i386/i386.c (override_options): Handle -mtune=native
8161 * config/i386/x-i386: New file.
8162 * config/i386/driver-i386.c: New file.
8163 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8166 2006-05-09 Dirk Mueller <dmueller@suse.de>
8167 Richard Guenther <rguenther@suse.de>
8170 * fold-const.c (fold_read_from_constant_string): Relax check
8171 for matching types to matching modes.
8173 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8175 PR rtl-optimization/27335
8176 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8179 2006-05-08 Chao-ying Fu <fu@mips.com>
8180 Richard Sandiford <richard@codesourcery.com>
8182 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8183 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8184 * config/mips/mips.md (UNSPEC_SCC): New constant.
8185 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8186 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8187 (mips_emit_compare): Use it.
8188 (mips_expand_vcondv2sf): New function.
8190 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8192 Fix PR tree-optimization/27093
8193 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8194 renaming when they become not-used_alone.
8196 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8198 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8199 relocation and relocation stubs.
8201 2006-05-08 Eric Christopher <echristo@apple.com>
8203 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8206 2006-05-08 Jan Hubicka <jh@suse.cz>
8209 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8210 unused static functions are needed.
8212 2006-05-08 Roger Sayle <roger@eyesopen.com>
8215 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8216 of a reg_equiv_constant if the result is a legitimate constant.
8218 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8221 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8222 standard 80387 constants, raise the cost to prevent
8223 compress_float_constant() to generate load from memory.
8225 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8227 * config/arm/constraints.md (c): Fix a typo.
8229 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8232 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8235 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8237 (_mm_mwait): Likewise.
8239 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8241 (sse3_monitor): Make it 32bit only.
8242 (sse3_monitor64): New. 64bit monitor.
8244 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8247 * config/i386/i386.c (classify_argument): Skip fields with invalid
8250 2006-05-07 Richard Guenther <rguenther@suse.de>
8252 PR tree-optimization/27409
8253 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8254 Do not try to find zero-sized subvars.
8256 2006-05-07 Richard Guenther <rguenther@suse.de>
8258 PR tree-optimization/27136
8259 * tree-ssa-loop-niter.c (get_val_for): Correct function
8260 comment, assert requirements.
8261 (loop_niter_by_eval): Stop processing if the iterated
8262 value did not simplify.
8264 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
8266 * opts.c (flag_see): remove its setting at -O3.
8268 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
8270 * genpeep.c (main): Make insn-peep.c depend on flags.h.
8271 * arm/constraints.md: New file.
8272 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
8273 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
8274 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
8275 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
8276 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
8277 (EXTRA_MEMORY_CONSTRAINT): Likewise.
8278 * arm.md: Include constraints.md.
8279 (thumb_movsi_insn): Use satisfies_constraint_J.
8280 (movhi, movqi): Use satisfies_constraint_I.
8282 2006-04-29 Anatoly Sokolov <aesok@post.ru>
8284 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
8285 for atmeg a645 device.
8287 2006-05-06 Richard Guenther <rguenther@suse.de>
8289 PR tree-optimization/27151
8290 * tree-vect-transform.c (vectorizable_condition): Punt on
8291 values that have a different type than the condition.
8293 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
8296 * c-parser.c (c_parser_cast_expression): Only insert casts into
8297 hash table if pointer.
8298 * function.c (used_types_insert_helper): Rename from
8300 (used_types_insert): Call used_types_insert_helper.
8301 * function.h (used_types_insert): Accept only one argument.
8303 2006-05-05 David Edelsohn <edesohn@gnu.org>
8305 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
8306 scratch with output modifier.
8308 2006-05-04 David Edelsohn <edelsohn@gnu.org>
8311 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
8312 with output modifier.
8314 2006-05-04 Richard Sandiford <richard@codesourcery.com>
8317 * config/mips/mips.c (mips_symbolic_address_p): Return true
8318 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
8319 SYMBOL_GOTTPREL, and SYMBOL_TLS.
8321 2006-05-04 Richard Guenther <rguenther@suse.de>
8323 PR tree-optimization/14287
8324 PR tree-optimization/14844
8325 PR tree-optimization/19792
8326 PR tree-optimization/21608
8327 PR tree-optimization/27090
8328 * tree-ssa-pre.c (try_combine_conversion): New function.
8329 (compute_avail): After constructing the value-handle
8330 expression, use try_combine_conversion to combine NOP_EXPRs
8331 with previous value-handle expressions and use the result if it
8334 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
8336 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
8338 2006-05-04 Jan Hubicka <jh@suse.cz>
8341 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
8343 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
8345 * config/bfin/predicates.md (const01_rtx): Tell generator programs
8346 that this only matches CONST_INTs. All users changed to VOIDmode
8349 * config/bfin/bfin.c: Include "optabs.h".
8350 (bfin_rtx_costs): Some costs for vector operations, to allow combine
8352 (enum bfin_builtins): Add a number of fractional and vector builtins.
8353 (bfin_init_builtins): Likewise.
8354 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
8355 (safe_vector_operand, bfin_expand_binop_builtin,
8356 bfin_expand_unop_builtin): New functions.
8357 (bfin_expand_builtin): Handle the new builtins.
8358 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8361 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
8364 * Makefile.in (OBJS-common): Add see.o.
8365 (see.o): Add dependencies.
8366 * common.opt (fsee): New flag for the see optimization was added.
8367 * opts.c (flag_see): Initialized.
8368 * passes.c (init_optimization_passes, pass_see): New pass.
8369 * rtl.h (see_main): Declaration as extern.
8370 * timevar.def (TV_SEE): New.
8371 * tree-pass.h (pass_see): Declaration as extern.
8372 * invoke.texi (-fsee): Document.
8373 * recog.c (validate_simplify_insn): New function.
8374 * recog.h (validate_simplify_insn): Declaration as extern.
8375 * df-problems.c (df_chain_dump): Check for NULL.
8377 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8378 Daniel Berlin <dberlin@dberlin.org>
8380 * cfgrtl.c (insert_insn_bb_end_new): New function.
8381 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8383 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8385 * df.h (struct web_entry): Moved from web.c.
8386 (union_defs): Declaration as extern.
8387 (unionfind_root): Likewise.
8388 (unionfind_union): Likewise.
8389 * web.c (struct web_entry): Moved to df.h.
8390 (unionfind_root): Remove static declaration.
8391 (unionfind_union): Likewise.
8392 (union_defs): Likewise and generalize to use callback function.
8393 (web_main): Update arguments for union_defs function call.
8395 2006-05-04 Richard Guenther <rguenther@suse.de>
8397 PR tree-optimization/26447
8398 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8399 produce SSA_NAME copies before the store stmt to avoid
8400 breaking exception handling.
8402 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8405 * gimplify.c (omp_is_private): If var is shared in some outer context,
8406 return false instead of true. Stop searching on parallel context
8409 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8412 * coverage.c: Use get_gcov_unsigned_t() instead of
8413 unsigned_type_node all over.
8415 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8417 PR tree-optimization/27381
8418 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8419 maintain the same immediate_use links.
8420 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8421 node rather than segfaulting.
8423 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8426 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8427 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8428 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8430 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8432 Fix PR tree-optimization/26626
8433 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8435 * tree-ssa-operands.c (access_can_touch_variable): Allow
8436 typecasting through union pointers.
8438 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8441 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8442 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8443 to find if var will be a global variable even in the nested context.
8444 (omp_copy_decl): Only check for global variable at the end, it might
8445 be overridden in outer contexts.
8446 (scan_sharing_clauses): For global variables don't create a field.
8447 (lower_rec_input_clauses): Do nothing for global shared variables.
8448 Emit a barrier at the end of ILIST if there were any decls in both
8449 firstprivate and lastprivate clauses.
8450 (lower_send_clauses): Do nothing for global variables except for
8453 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8455 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8456 of the correct signedness is returned.
8458 2006-05-02 Jeff Law <law@redhat.com>
8460 PR tree-optimization/27364
8461 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8462 multiply expressions.
8464 2006-05-02 Tom Tromey <tromey@redhat.com>
8466 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8468 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8471 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8472 -mthumb -fPIC are used.
8474 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8475 Joshua Kinard <kumba@gentoo.org>
8478 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8479 with 64-bit pointers.
8481 2006-05-02 Paul Brook <paul@codesourcery.com>
8483 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8485 (create_fix_barrier): Check that a suitable barrier location is
8487 (arm_reorg): Include ftmp->address in allowable range of addresses.
8489 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8492 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8495 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8498 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8499 around RESULT_DECL for result passed by reference.
8500 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8501 * omp-low.c (use_pointer_for_field): Don't look at
8502 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8503 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8504 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8505 time or var for passing by reference for
8506 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8507 TREE_ADDRESSABLE variables when passing by reference.
8509 * omp-low.c (dump_omp_region): Fix output formatting.
8512 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8513 (expand_omp_parallel): Likewise.
8514 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8517 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8518 on statement list containing also constructors and destructors.
8519 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8522 * except.c (duplicate_eh_regions): Fix clearing of
8523 cfun->eh->region_array entries.
8525 2006-05-01 DJ Delorie <dj@redhat.com>
8527 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8529 (gcc_cv_objdump): Likewise.
8530 * configure: Regenerated.
8532 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8535 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8536 templates for case 3 and 4.
8538 2006-05-01 DJ Delorie <dj@redhat.com>
8540 * vec.c: Include bconfig.h when appropriate.
8541 * Makefile.in (build/vec.o): Adjust dependencies.
8542 * mkconfig.sh: Make sure config.h isn't used for build machine
8545 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8547 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8549 (mark_phi_for_rewrite): New function.
8550 (insert_phi_nodes_for, mark_use_interesting): Call
8551 mark_phi_for_rewrite.
8552 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8553 (update_ssa): Initialize and free phis_to_rewrite.
8555 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8557 PR rtl-optimization/27291
8558 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8559 folded to a constant.
8561 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8563 PR tree-optimization/27283
8564 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8565 not whole # of iteration descriptions.
8566 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8567 uses abnormal ssa name.
8568 (niter_for_single_dom_exit): Ditto.
8569 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8570 return just the number of iterations.
8572 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8574 PR tree-optimization/27144
8575 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8576 (record_estimate): Only record constant upper bound.
8577 (infer_loop_bounds_from_undefined): Call
8578 compute_estimated_nb_iterations just once.
8579 (proved_non_wrapping_p): Renamed to ...
8580 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8581 (convert_step_widening, scev_probably_wraps_p): Call
8582 n_of_executions_at_most instead of proved_non_wrapping_p.
8583 (substitute_in_loop_info): Do not replace values in bounds.
8584 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8587 2006-05-01 Richard Henderson <rth@redhat.com>
8590 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8591 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8594 2006-05-01 Roger Sayle <roger@eyesopen.com>
8596 * c-typeck.c (parser_build_binary_op): Don't call the function
8597 unsigned_conversion_warning to spot operand/result type overflow.
8598 (build_binary_op): Instead, call convert_and_check instead of
8599 convert to report the problem when the operands are promoted.
8600 * c-common.c (unsigned_conversion_warning): Make static.
8601 * c-common.h (unsigned_conversion_warning): Delete prototype.
8603 2006-05-01 Richard Guenther <rguenther@suse.de>
8605 PR tree-optimization/26726
8606 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8608 (find_interesting_uses_address): ... we work around here
8609 by folding INDIRECT_REFs in the substituted base.
8611 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8613 * omp-low.c (dump_omp_region): Add newlines.
8615 2006-04-30 Roger Sayle <roger@eyesopen.com>
8617 * common.opt (Woverflow): New command line option.
8618 * c-common.c (constant_expression_warning): Check warn_overflow.
8619 (overflow_waring): Pass OPT_Woverflow to warning.
8620 (unsigned_conversion_warning): Likewise.
8621 (convert_and_check): Likewise.
8622 * doc/invoke.texi: Document new command line option.
8624 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8626 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8627 TARGET_NO_FP_IN_TOC for section anchors.
8628 (optimization_options): Enable section anchors for all
8629 non-"Objective" languages.
8631 2006-04-28 Eric Christopher <echristo@apple.com>
8633 * config/darwin-c.c (darwin_ms_struct): Move this
8634 (darwin_set_default_type_attributes): and this...
8635 * config/darwin.c: ... here.
8636 * config/darwin.h (darwin_ms_struct): Declare.
8638 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8640 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8642 2006-04-28 Roger Sayle <roger@eyesopen.com>
8645 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8646 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8647 an unsigned HOST_WIDE_INT.
8648 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8650 (really_start_incremental_init): No need to call convert because
8651 bitsize_zero_node is already of type bitsizetype.
8652 (push_init_level): Extract the value of constructor_index as an
8653 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8654 (process_init_element): Likewise.
8656 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8658 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8659 value before passing to make_relative_prefix.
8661 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8664 * builtins.c (expand_builtin_memset): Expand val in original mode.
8666 2006-04-27 Eric Christopher <echristo@apple.com>
8668 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8669 with #ifndef/#endif.
8670 * config/darwin-c.c (darwin_ms_struct): New.
8671 (darwin_pragma_ms_struct): Ditto.
8672 (darwin_set_default_type_attributes): Ditto.
8673 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8674 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8675 Register ms_struct pragma.
8676 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8677 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8678 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8679 darwin_set_default_type_attributes if TARGET_MACHO.
8681 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8683 PR tree-optimization/26854
8684 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8685 * doc/tree-ssa.texi: Update immuse iterator documentation.
8686 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8687 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8688 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8689 first_safe_imm_use, next_safe_imm_use): Remove.
8690 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8691 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8692 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8693 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8694 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8695 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8696 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8697 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8698 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8699 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8700 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8701 (perfect_nestify): Use new iterator.
8702 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8704 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8705 (next_imm_name): New field in struct immediate_use_iterator_d.
8706 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8707 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8708 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8709 * tree-cfg.c (replace_uses_by): Use new iterator.
8710 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8711 * tree-ssa-operands.c (correct_use_link): Remove.
8712 (finalize_ssa_use_ops): No longer call correct_use_link.
8714 2006-04-27 Stuart Hastings <stuart@apple.com>
8716 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8717 * config/t-darwin (crt3.o): Use it.
8718 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8719 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8720 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8721 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8722 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8725 2006-04-27 Roger Sayle <roger@eyesopen.com>
8727 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8728 size, force the intermediate into a new pseudo rather instead of
8729 performing both a bitwise AND and a bitwise IOR in memory.
8731 2006-04-27 Richard Guenther <rguenther@suse.de>
8733 PR rtl-optimization/26685
8734 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8735 this one "max-flow-memory-locations".
8737 2006-04-27 Richard Guenther <rguenther@suse.de>
8739 PR tree-optimization/25148
8740 * tree-vrp.c (compare_values): Remove code dealing with
8741 comparisons against type min/max value. Honour overflow
8742 and negative constants in code dealing with comparisons
8743 of plus and minus expressions.
8744 (value_inside_range): Use fold_binary with LE_EXPR and
8745 GE_EXPR rather than compare_values.
8747 2006-04-27 Dirk Mueller <dmueller@suse.de>
8749 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8752 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8754 * basic-block.h (safe_insert_insn_on_edge): Removed.
8755 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8757 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8758 Paolo Bonzini <bonzini@gnu.org>
8761 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8762 (simplify_and_const_int): Same.
8764 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8766 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8768 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8771 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8772 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8773 cgraph_global_info_ready.
8776 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8779 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8780 either decl or init is error_mark_node.
8783 * tree-flow.h (struct omp_region): Add sched_kind.
8784 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8785 instead of extracting omp for data.
8786 (expand_omp_for): Save extracted sched_kind.
8788 2006-04-25 Roger Sayle <roger@eyesopen.com>
8790 * expmed.c (store_bit_field): Also check whether the bitsize is
8791 valid for the machine's "insv" instruction before moving the
8792 target into a pseudo for use with the insv.
8793 * config/i386/predicates.md (const8_operand): New predicate.
8794 * config/i386/i386.md (extv, extzv, insv): Use the new
8795 const8_operand predicate where appropriate.
8797 2006-04-25 DJ Delorie <dj@redhat.com>
8799 * doc/install.texi (Specific): Clarify that this is not a list of
8800 supported hosts or targets.
8802 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8804 PR rtl-optimization/26725
8805 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8806 block's BB_DIRTY flag.
8808 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8810 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8813 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8814 to print an integer.
8816 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8818 * varasm.c (align_variable): New function.
8819 (get_block_for_decl): Apply align_variable to DECL before
8820 calculating section information.
8821 (assemble_variable): Split out alignment computation.
8823 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8825 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8828 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8830 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8831 MODE_PARTIAL_INT mode.
8832 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8833 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8835 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8836 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8838 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8840 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8842 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8843 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8844 MACFLAG_IH): Likewise.
8845 (movstricthi_1): Renamed from "*movstricthi".
8846 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8847 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8848 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8849 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8850 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8851 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8852 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8853 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8854 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8855 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8856 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8857 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8858 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8859 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8860 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8862 * doc/rtl.texi (ss_ashift): Improve wording.
8864 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8866 * dwarf2out.c (verify_marks_clear): New.
8867 (prune_unused_types): Call verify_marks_clear initially, not
8870 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8872 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8873 * doc/rtl.texi: Document them.
8874 * simplify-rtx.c (simplify_unary_operation,
8875 simplify_binary_operation_1): Don't abort when we see them.
8877 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8880 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8881 * configure.ac: Completely disregard languages that are not
8883 * configure: Regenerated.
8885 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8886 Richard Guenther <rguenther@suse.de>
8888 PR tree-optimization/27236
8889 * tree-inline.c (copy_body_r): Make sure to copy
8890 TREE_THIS_VOLATILE flag.
8892 2006-04-24 Richard Guenther <rguenther@suse.de>
8895 * tree-complex.c (update_parameter_components): Don't handle
8896 unused parameters which have no default def.
8898 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8899 Richard Guenther <rguenther@suse.de>
8901 PR tree-optimization/27218
8902 * tree-inline.c (expand_call_inline): Strip useless type
8903 conversions for the return slot address.
8905 2006-04-24 Richard Guenther <rguenther@suse.de>
8907 * cfgloop.h (struct loops): Remove unused field array. Reorder
8909 (LOOP_PREFETCH): Remove.
8911 2006-04-24 Richard Guenther <rguenther@suse.de>
8913 PR tree-optimization/22525
8914 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8915 variable, adjust types of generated expressions.
8917 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8919 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8920 (tree-vect-patterns.o): Likewise.
8922 (cselib.o): Likewise.
8923 (loop-doloop.o): Likewise.
8924 (regclass.o): Likewise.
8925 (reload1.o): Likewise.
8926 (explow.o): Replace target.h with $(TARGET_H).
8927 (ipa-prop.o): Likewise.
8928 (ipa-cp.o): Likewise.
8929 (ipa-inline.o): Likewise.
8930 (reorg.o): Likewise.
8931 (reg-stack.o): Likewise.
8933 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8935 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8937 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8939 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8941 * configure.ac: Completely disregard languages that are not
8943 * configure: Regenerated.
8946 * c-common.h (c_build_bitfield_integer_type): Declare.
8947 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8948 * c-common.c (c_build_bitfield_integer_type): ... here.
8950 2006-04-23 Roger Sayle <roger@eyesopen.com>
8953 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8954 a SImode SUBREG of a floating point register after no_new_pseudos.
8956 2006-04-23 Roger Sayle <roger@eyesopen.com>
8958 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8959 identify potentially eliminable registers to additionally catch
8960 VIRTUAL_INCOMING_ARGS_REGNUM.
8961 (addsi3): Update the conditions on when to use addsi_small_int.
8963 2006-04-23 Roger Sayle <roger@eyesopen.com>
8966 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8967 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8968 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8970 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8972 * fold-const.c (range_predecessor): Use operand_equal_p
8973 as the predicate for equality.
8974 (range_successor): Likewise.
8976 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8979 * config/soft-fp/op-common.h: Fix a typo.
8981 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8984 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8985 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8987 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8989 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8991 * doc/tm.texi: Fix a typo.
8993 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8995 * dwarf2out.c (struct die_struct): Document that die_sib makes
8996 a circular linked list.
8997 (FOR_EACH_CHILD): New.
8998 (reverse_die_lists): Delete.
8999 (reverse_all_dies): Delete.
9000 (add_dwarf_attr): Correct documentation.
9001 (remove_child_with_prev): New.
9002 (remove_child_TAG): Update for change to die_struct, use
9003 remove_child_with_prev.
9004 (add_child_die): Update for change to die_struct.
9005 (splice_child_die): Use remove_child_with_prev and add_child_die.
9006 (print_die): Use FOR_EACH_CHILD.
9007 (die_checksum): Likewise.
9008 (assign_symbol_names): Likewise.
9009 (output_location_lists): Likewise.
9010 (build_abbrev_table): Likewise.
9011 (calc_die_sizes): Likewise.
9012 (mark_dies): Likewise.
9013 (unmark_dies): Likewise.
9014 (unmark_all_dies): Likewise.
9015 (output_die): Likewise.
9016 (prune_unused_types_mark): Likewise.
9017 (prune_unused_types_walk): Likewise.
9018 (same_die_p): Update for change to die_struct.
9019 (break_out_includes): Likewise.
9020 (prune_unused_types_prune): Likewise.
9021 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9022 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9024 (dwarf2out_finish): Don't call reverse_all_dies.
9026 2006-04-21 Eric Christopher <echristo@apple.com>
9028 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9029 in comments and function names.
9031 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9034 * c-typeck.c (digest_init): Robustify.
9036 * c-typeck.c (pop_init_level): Simplify.
9038 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9040 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9042 2006-04-21 Paul Brook <paul@codesourcery.com>
9044 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9045 hardware floating point.
9047 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9049 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9052 2006-04-21 Nick Clifton <nickc@redhat.com>
9054 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9057 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9060 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9061 C++ lang type in traceback table for Objective-C++.
9063 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9065 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9067 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9069 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9072 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9073 were errors. Remove check for erroneous objects.
9075 2006-04-20 Jeff Law <law@redhat.com>
9077 PR tree-optimization/26854
9078 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9079 checking for zero or one use.
9080 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9081 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9082 * tree-ssa-reassoc.c (negate_value): Similarly.
9083 (reassociate_bb): Similarly.
9085 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9087 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9088 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9089 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9091 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9093 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9094 fp regs if the last fp arg doesn't fit in regs.
9096 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9099 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9100 that the last insn has the REG_INC note.
9102 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9103 Nathan Sidwell <nathan@codesourcery.com>
9106 * stor-layout.c (update_alignment_for_field): Do not align
9108 (place_union_field): Place union field at the start of the union.
9109 (place_field): Move ERROR_MARK check later, and use the current
9110 allocation position to maintain monotonicity.
9112 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9114 * dominance.c: Include timevar.h.
9115 (calculate_dominance_info): Use TV_DOMINANCE.
9116 * timevar.def (TV_DOMINANCE): New timevar.
9117 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9119 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9121 PR rtl-optimization/14261
9122 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9123 move would be an INSV insn.
9124 (noce_process_if_block): Don't optimize if the destination is a
9125 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9127 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9129 * config/s390/s390.md: Add comments with the instructions emitted
9130 by an insn pattern if macros are used.
9132 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9134 PR rtl-optimization/26026
9135 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9136 is a known power of two shifted left a variable amount.
9138 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9140 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9141 to hash table twice when the debug_str section has SECTION_MERGE.
9143 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9145 * config/soft-fp: New directory. From glibc.
9146 * config/soft-fp/t-softfp: New.
9147 * config/soft-fp/README: New.
9148 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9149 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9150 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9151 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9152 * config.gcc: Use rs6000/t-fprules-fpbit or
9153 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9155 * config/rs6000/sfp-machine.h: New. Based on glibc.
9156 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9158 * config/rs6000/t-fprules: Remove fp-bit rules.
9159 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9160 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9161 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9162 (softfp_wrap_start, softfp_wrap_end): New.
9164 2006-04-18 DJ Delorie <dj@redhat.com>
9166 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9168 2006-04-18 Devang Patel <dpatel@apple.com>
9170 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9172 2006-04-18 Nick Clifton <nickc@redhat.com>
9174 * config/sh/t-symbian: Add rule to build sh-c.o
9175 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9176 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9177 (sh_symbian_encode_section_info): Likewise.
9179 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9181 * builtins.c (expand_builtin_strcmp): Cover label definition of
9182 do_libcall with HAVE_cmpstrnsi.
9184 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9186 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9188 * function.h (temp_slot_p): New.
9189 (function): Change the type of x_used_temp_slots to
9190 VEC(temp_slot_p,gc) *.
9192 2006-04-18 Nick Clifton <nickc@redhat.com>
9194 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9195 flag_strength_reduce.
9197 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9199 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9203 Partial revert of revision 112637
9204 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9205 Dale Johannesen <dalej@apple.com>
9208 * regclass.c (struct reg_pref): Update documentation.
9209 (regclass): Set prefclass to NO_REGS if memory is the best option.
9210 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9212 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9214 PR tree-optimization/26821
9215 * tree-ssa-math-opts.c (get_constant_one): New.
9216 (insert_reciprocals): Use it.
9218 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9220 * dwarf2out.c (free_AT): Delete.
9221 (remove_AT): Update string ref counts.
9222 (remove_child_TAG): Don't call free_die.
9224 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9225 or DW_TAG_GNU_EINCL.
9226 (prune_unused_types_walk_attribs): Reset string refcounts.
9227 (prune_unused_types_update_strings): New.
9228 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9229 call free_die. Do call prune_unused_types_update_strings.
9230 (prune_unused_types): Empty debug_str_hash.
9232 2006-04-17 Roger Sayle <roger@eyesopen.com>
9234 * expr.c (expand_assignment): Optimize away no-op moves where the
9235 source and destination are equal and have no side-effects.
9237 2006-04-17 Richard Guenther <rguenther@suse.de>
9240 * reload.c (push_reload): Guard calls to get_secondary_mem
9243 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9245 * alias.c (reg_base_value, old_reg_base_value): Change the
9246 type to VEC(rtx,gc) *.
9247 (REG_BASE_VALUE, find_base_value, record_set,
9248 init_alias_analysis): Use VEC instead of VARRAY.
9250 * alias.c (alias_sets): Change the type to
9251 VEC(alias_set_entry,gc) *.
9252 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9253 VEC instead of VARRAY.
9254 (last_alias_set): Remove.
9256 * cgraph.h (cgraph_edge_p): New.
9257 Update the prototype of cgraph_function_versioning.
9258 * cgraphunit.c (cgraph_copy_node_for_versioning,
9259 cgraph_function_versioning): Use VEC instead of VARRAY.
9260 * ipa-cp.c (ipcp_insert_stage): Likewise.
9262 2006-04-16 Roger Sayle <roger@eyesopen.com>
9265 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
9266 "A op B" or "A op C", we may need to convert A to the type of B and C.
9268 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9270 * target.h (struct gcc_target): Add mode_rep_extended.
9271 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
9272 (init_num_sign_bit_copies_in_rep): Initialize it using
9274 (truncate_to_mode): Use it.
9275 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
9276 * targhooks.h (default_mode_rep_extended): Declare it.
9277 * targhooks.c (default_mode_rep_extended): Define it.
9278 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
9279 default_mode_rep_extended.
9280 (TARGET_INITIALIZER): Include it.
9281 * doc/tm.texi (Misc): Document it.
9282 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
9283 (mips_truncated_to_mode): New function.
9285 2006-04-16 Roger Sayle <roger@eyesopen.com>
9288 * expr.c (compress_float_constant): Copy the narrow constant into
9289 a new pseudo before extending it to its final width.
9291 2006-04-16 Roger Sayle <roger@eyesopen.com>
9292 Andrew Pinski <pinskia@gcc.gnu.org>
9293 Dale Johannesen <dalej@apple.com>
9296 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
9297 special case code to implement V8HImode and V16QImode with SSE2.
9299 2006-04-15 Roger Sayle <roger@eyesopen.com>
9301 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
9302 trees are constructed with a suitable tree type.
9304 2006-04-15 Roger Sayle <roger@eyesopen.com>
9306 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
9307 (integer_onep): Likewise.
9308 (integer_all_onesp): Likewise.
9309 (integer_pow2p): Likewise.
9310 (integer_nonzerop): Likewise.
9311 (real_zerop): Likewise.
9312 (real_onep): Likewise.
9313 (real_twop): Likewise.
9314 (real_minus_onep): Likewise.
9315 (int_size_in_bytes): Likewise.
9316 (host_integerp): Likewise.
9318 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
9320 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
9321 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
9322 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
9324 * tree-ssa-structalias.h (alias_info): Remove num_references.
9326 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9328 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
9329 (output_bvb patterns): Likewise.
9330 * pa.c (output_bb): Use 'bb' insn for long branch case.
9331 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
9332 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
9333 1. Correct length operand for alternatives 1 and 2.
9334 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
9335 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
9337 2006-04-14 Roger Sayle <roger@eyesopen.com>
9339 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
9340 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
9341 were accidentally reverted by r112959.
9343 2006-04-15 Jakub Jelinek <jakub@redhat.com>
9346 * except.h (eh_region_outermost): New prototype.
9347 * except.c (eh_region_outermost): New function.
9348 * tree-cfg.c (find_outermost_region_in_block): Use it.
9350 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9352 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
9354 * reload1.c (reg_equiv_memory_loc_varray): Rename to
9355 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
9356 (init_reload, reload): Use VEC instead of VARRAY.
9357 * reload.h: Update the prototype for
9358 reg_equiv_memory_loc_varray.
9360 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
9361 Eric Botcazou <ebotcazou@libertysurf.fr>
9363 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
9366 2005-04-13 Uros Bizjak <uros@kss-loka.si>
9369 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
9370 to expand fallback builtin function call.
9372 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9375 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9376 and emit libcall here in case the builtin fails.
9377 (expand_builtin_strcmp): Always emit the libcall here on failure.
9379 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9381 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9382 * flow.c (reg_n_info): Change the type to
9383 VEC(reg_info_p,heap) *.
9384 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9386 * regs.h (reg_info_p): New.
9387 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9388 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9389 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9392 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9394 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9396 * params.h (MAX_SCHED_READY_INSNS): New macro.
9397 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9398 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9399 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9400 the ready list for 1 cycle during the first scheduling pass.
9401 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9403 2006-04-13 Richard Henderson <rth@redhat.com>
9406 * gimple-low.c (lower_omp_directive): Remove dead code.
9407 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9408 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9409 * omp-low.c (struct omp_region): Move to tree-flow.h.
9410 (root_omp_region): Export.
9411 (omp_regions, lookup_omp_region): Remove.
9412 (determine_parallel_type): Update for struct omp_region changes.
9413 (dump_omp_region): Dump regions with block numbers.
9414 (new_omp_region): Take type and block instead of stmt; malloc
9416 (free_omp_region_1, free_omp_regions): New.
9417 (expand_parallel_call): Take entry_stmt as argument; update for
9418 changes to omp_region.
9419 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9420 (remove_exit_barriers): New.
9421 (expand_omp_parallel): Update for struct omp_region changes.
9422 (expand_omp_synch): Likewise.
9423 (expand_omp): Likewise.
9424 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9425 (expand_omp_for_static_chunk): Likewise.
9426 (expand_omp_for): Likewise.
9427 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9428 (expand_omp_sections): Similarly, with GOMP_sections_end.
9429 (expand_omp_single): New.
9430 (build_omp_regions_1): Update for OMP_CONTINUE.
9431 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9432 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9433 OMP_SECTIONS_SECTIONS.
9434 (lower_omp_single_simple): Don't emit barrier here.
9435 (lower_omp_single_copy): Likewise.
9436 (lower_omp_single): Fix bindings, and lower to straightline now.
9437 (lower_omp_master, lower_omp_ordered): Likewise.
9438 (lower_omp_critical): Likewise.
9439 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9440 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9441 omp edges, free it afterward.
9442 (make_omp_sections_edges): Remove.
9443 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9444 (move_stmt_r): Handle OMP_CONTINUE.
9445 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9446 statement pointers to basic blocks. Add type member.
9447 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9448 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9449 * tree-inline.c (estimate_num_insns_1): Likewise.
9450 * tree-pretty-print.c (dump_generic_node): Likewise.
9451 * tree-ssa-operands.c (get_expr_operands): Likewise.
9452 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9453 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9454 (OMP_CONTINUE): New.
9455 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9456 (OMP_SECTIONS_SECTIONS): Remove.
9457 (OMP_SECTION_LAST): New.
9458 (OMP_RETURN_NOWAIT): New.
9460 2006-04-13 Roger Sayle <roger@eyesopen.com>
9462 * fold-const.c (native_encode_vector, native_interpret_real):
9463 Correct obvious mistakes in the previous check-in.
9465 2006-04-13 Roger Sayle <roger@eyesopen.com>
9467 * fold-const.c (native_encode_expr): New function to encode
9468 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9469 or VECTOR_CST into a specified buffer.
9470 (native_encode_int): New function.
9471 (native_encode_real): New function.
9472 (native_encode_complex): New function.
9473 (native_encode_vector): New function.
9474 (native_interpret_expr): Inverse of native_encode_expr to convert
9475 a target representation into an INTEGER_CST, REAL_CST etc...
9476 (native_interpret_int): New function.
9477 (native_interpret_real): New function.
9478 (native_interpret_complex): New function.
9479 (native_interpret_vector): New function.
9480 (fold_view_convert_expr): New function to constant fold/evaluate
9481 a VIEW_CONVERT_EXPR of a suitable constant expression.
9482 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9483 Change call of build1 to fold_build1 when constructing a
9486 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9487 Ulrich Weigand <uweigand@de.ibm.com>
9490 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9493 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9496 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9497 optimize to lo_sum for DFmode if !TARGET_FPRS.
9499 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9501 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9502 delete_alias_info, compute_flow_sensitive_aliasing,
9503 group_aliases): Use VEC instead of VARRAY.
9504 * tree-ssa-structalias.c (update_alias_info): Likewise.
9505 * tree-ssa-structalias.h (alias_info): Change the type of
9506 processed_ptrs to VEC(tree,heap) *.
9508 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9511 * config/sh/lib1funcs.h: New file, broken out of:
9512 * config/sh/lib1funcs.asm.
9513 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9515 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9516 * config/sh/lib1funcs-Os-4-200.asm: New file.
9517 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9518 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9519 (EXTRA_MULTILIB_PARTS): Include it.
9520 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9521 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9522 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9523 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9526 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9528 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9529 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9530 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9532 * tree-ssa-live.h: Include vecprim.h.
9533 (tree_partition_associator_d): Change the type of
9534 first_partition to VEC(int,heap) *.
9535 (tpa_first_partition): Use VEC instead of VARRAY.
9537 * Makefile.in (GTFILES): Move functions.h after tree.h.
9538 * function.c (reset_block_changes, record_block_change,
9539 check_block_change, free_block_changes): Use VEC instead of
9541 * function.h (function): Change the type of
9542 ib_boundaries_block to VEC(tree,gc) *.
9543 * tree-inline.c (copy_cfg_body): Initialize
9544 ib_boundaries_block to NULL instead of (varray_type) 0.
9546 2006-04-12 Roger Sayle <roger@eyesopen.com>
9548 * expr.c (emit_group_store): Correct operand order in call to
9549 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9550 a SUBREG_BYTE of zero.
9552 2006-04-12 Richard Guenther <rguenther@suse.de>
9554 * profile.c (compute_branch_probabilities): Remove code
9555 encapsulated in !ir_type (), which are remanents of the
9556 removed RTL profiling code.
9557 * rtl-profile.c: Remove.
9559 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9561 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9562 magic NULL_RTX comment.
9563 (function_arg): Store entire fp arg to mem if any part should go
9565 (rs6000_arg_partial_bytes): Adjust for above change.
9567 2006-04-11 Roger Sayle <roger@eyesopen.com>
9569 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9570 if it hasn't been initialized by dwarf2out_init.
9572 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9574 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9575 symbolic constants in branch patterns.
9577 2006-04-11 Roger Sayle <roger@eyesopen.com>
9579 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9581 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9583 PR rtl-optimization/27073
9584 * gcse.c (try_replace_reg): Revert last change. Continue to search
9585 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9588 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9590 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9591 aggregate types other than record and union types.
9592 (function_arg): Likewise.
9593 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9595 (function_value): In 64-bit mode, return objects that require it
9598 2006-04-11 Roger Sayle <roger@eyesopen.com>
9600 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9602 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9604 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9606 2006-04-03 Jeff Law <law@redhat.com>
9609 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9610 alias information too.
9612 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9614 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9616 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9619 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9620 (premark_used_types_helper): New.
9621 (premark_used_types): New.
9622 (gen_subprogram_die): Call premark_used_types.
9623 (prune_unused_types_walk): Do not prune perennial dies.
9624 * function.c (used_types_insert): New.
9625 * function.h (struct function): Add used_types_hash field.
9626 (used_types_insert): Add prototype.
9627 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9628 * c-parser.c (c_parser_cast_expression): Save casted types in used
9631 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9634 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9635 rs6000_explicit_options.float_gprs.
9637 2006-04-10 Roger Sayle <roger@eyesopen.com>
9639 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9640 from ix86_expand_vector_init_low_nonzero. Take an additional
9641 one_var argument indicating which element is non-zero. Support
9642 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9643 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9644 with one_var instead of ix86_expand_vector_init_low_nonzero.
9646 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9648 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9649 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9650 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9651 build/genextract.o): Depend on vecprim.h.
9652 * cfglayout.c, df-problems.c, function.c, genextract.c,
9653 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9654 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9658 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9660 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9661 Declare VECs of this type.
9662 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9663 (remove_children): Delete.
9664 (add_dwarf_attr): Use VEC routines.
9665 (add_AT_flag): Update for changes to add_dwarf_attr.
9666 (add_AT_int): Likewise.
9667 (add_AT_unsigned): Likewise.
9668 (add_AT_long_long): Likewise.
9669 (add_AT_vec): Likewise.
9670 (add_AT_string): Likewise.
9671 (add_AT_die_ref): Likewise.
9672 (add_AT_fde_ref): Likewise.
9673 (add_AT_loc): Likewise.
9674 (add_AT_loc_list): Likewise.
9675 (add_AT_addr): Likewise.
9676 (add_AT_lbl_id): Likewise.
9677 (add_AT_lineptr): Likewise.
9678 (add_AT_macptr): Likewise.
9679 (add_AT_offset): Likewise.
9680 (add_AT_range_list): Likewise.
9681 (get_AT): Use VEC_iterate.
9682 (remove_AT): Use VEC_ordered_remove.
9683 (free_die): Fold remove_children into here; have it use VEC_iterate.
9684 (print_die): Use VEC_iterate on attrs.
9685 (reverse_die_lists): Don't reverse attr lists.
9686 (die_checksum): Use VEC_iterate on attrs.
9687 (same_die_p): Likewise.
9688 (output_location_lists): Likewise.
9689 (build_abbrev_table): Likewise.
9690 (size_of_die): Likewise.
9691 (unmark_all_dies): Likewise.
9692 (output_abbrev_section): Likewise.
9693 (output_die): Likewise.
9694 (prune_unused_types_walk_attribs): Likewise.
9696 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9698 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9700 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9703 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9705 2006-04-09 Roger Sayle <roger@eyesopen.com>
9707 * expr.c (store_constructor): Don't bother clearing target if
9708 we're about to assign a vector to it using vec_init_optab.
9710 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9712 * tree-ssa-alias.c (lhs_may_store_to): New function.
9713 (recalculate_used_alone): Handle LHS of calls.
9715 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9719 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9720 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9721 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9722 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9723 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9724 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9725 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9726 stubs. Add ".align 8" directives before all ".dword" directives.
9727 (GTHREAD_USE_WEAK): Revise comment.
9728 (TARGET_ATTRIBUTE_WEAK): Define.
9729 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9730 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9731 * stublib.c: New file.
9736 * pa.md (cbranch patterns): Revise arguments used in calls to
9737 output_cbranch, output_bb and output_bvd. Add long branch length
9739 (fbranch patterns): Handle long branches.
9740 (jump): Revise length check. Revise arguments for output_lbranch call.
9741 Add long branch length attributes.
9742 (decrement_and_branch_until_zero): Add long branch length attributes.
9743 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9744 Likewise. Revise arguments for output_parallel_addb and
9745 output_parallel_movb calls.
9746 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9747 output_parallel_movb and output_parallel_addb): Update prototypes.
9748 * pa.c (output_cbranch): Revise arguments. Correct handling of
9749 nullification in long branches.
9750 (output_lbranch): Add new argument to control extraction of delay
9752 (output_bb): Handle long branches.
9753 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9754 output_parallel_addb): Likewise.
9756 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9758 PR rtl-optimization/27073
9759 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9762 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9764 * tree.h (tree_memory_tag): Add old_used_alone.
9765 (SMT_OLD_USED_ALONE): New macro.
9766 * tree-ssa-alias.c (recalculate_used_alone): Stop
9767 marking things for renaming unnecessarily.
9769 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9771 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9772 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9773 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9774 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9775 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9776 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9777 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9778 spelling convensions.
9779 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9780 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9781 typos. Follow spelling conventions.
9783 2006-04-07 DJ Delorie <dj@redhat.com>
9785 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9786 passed on the stack.
9787 (m32c_init_cumulative_args): When a function returns a structure,
9788 always pass the pointer to that return area on the stack.
9789 (m32c_function_arg_advance): Don't increment the parameter number
9790 if we're processing the returned structure pointer.
9791 (pushm_info): Reverse order of registers.
9793 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9795 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9796 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9797 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9798 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9800 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9801 chrec_fold_multiply): Same.
9802 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9803 force_expr_to_var_cost): Same.
9804 * tree-mudflap.c (mf_xform_derefs_1): Same.
9805 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9807 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9809 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9810 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9813 2006-04-07 Jan Hubicka <jh@suse.cz>
9815 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9817 2006-04-07 Richard Guenther <rguenther@suse.de>
9819 PR tree-optimization/26135
9820 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9821 loads for store copy-prop.
9822 (copy_prop_visit_stmt): Likewise.
9824 2006-04-05 Robert Millan <robertmh@gnu.org>
9826 * config/i386/linux.h: Add a comment to mark macros that are
9827 being overriden in config/k*bsd-gnu.h.
9828 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9830 * config/knetbsd-gnu.h: Ditto.
9832 2006-04-06 Jan Hubicka <jh@suse.cz>
9836 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9839 2006-04-06 Mike Stump <mrs@apple.com>
9841 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9842 for HAVE_nonlocal_goto to be consistent.
9843 (expand_builtin_nonlocal_goto): Likewise.
9844 (expand_builtin_strcmp): Use #ifdef instead of #if
9845 for HAVE_cmpstrnsi to be consistent.
9847 2006-04-05 DJ Delorie <dj@redhat.com>
9849 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9852 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9854 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9855 got-relative addressing for anything but SImode.
9857 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9858 even if the calling function doesn't modify them.
9860 2006-04-05 Richard Guenther <rguenther@suse.de>
9862 PR tree-optimization/26919
9863 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9864 to cgraph_estimate_size_after_inlining.
9866 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9868 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9870 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9872 PR tree-optimization/26996
9873 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9874 VECTOR_TYPE variables.
9876 2006-04-05 Richard Guenther <rguenther@suse.de>
9878 PR tree-optimization/26763
9879 * fold-const.c (fold_comparison): Move folding of
9880 PTR + CST CMP PTR + CST ...
9881 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9883 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9885 * doc/install.texi (Prerequisites): Refine some wording on
9886 bootstrapping and ksh.
9887 Move the version numbers of DejaGnu here from the testing section
9888 and fix casing of names.
9889 Fix markup and clarify wording for autogen requirements.
9890 Refer to GCJ instead of just java.
9891 Refer to SVN instead of CVS.
9892 Describe diffutils as useful instead of necessary.
9893 (Downloading the source): Refer to SVN instead of CVS.
9894 Adjust a link to our web site accordingly.
9895 (Configuration): Fix casing of Bison.
9896 (Building): Refer to SVN instead of CVS.
9897 Fix a sentence on the use of Bison and remove duplicate (and
9898 incorrect) version number of Bison requirement.
9899 Remove one redundant list of packages needed for building.
9900 (Specific): Avoid reference to CVS.
9902 2006-04-04 Eric Christopher <echristo@apple.com>
9904 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9905 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9906 (rs6000_handle_struct_attribute): New.
9907 (rs6000_ms_bitfield_layout_p): Ditto.
9909 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9911 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9912 NULL for dso parameter to atexit_common.
9914 2006-04-04 Eric Christopher <echristo@apple.com>
9916 * config/i386/i386.c (machopic_output_stub): Output \t
9917 between instructions and operands.
9919 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9921 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9922 satisfies_constraint_[IL] to explicit tests on value.
9924 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9926 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9927 set_nb_iterations_in_loop): Use build_int_cst instead of
9929 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9930 build_int_cst instead of convert.
9932 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9934 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9935 new value 2 for incoming.
9936 * function.c (expand_function_start): Call struct_value_rtx
9938 * config/sparc/sparc.md: Comment updated_return.
9939 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9940 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9941 struct return if sparc_std_struct_return and incoming is 2.
9942 (print_operand): Do not adjust return if
9943 sparc_std_struct_return.
9945 2006-04-04 Roger Sayle <roger@eyesopen.com>
9947 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9948 convert in the middle-end.
9949 * expr.c (store_expr, store_constructor, get_inner_reference,
9950 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9952 * tree.c (build_range_type): Likewise.
9954 2006-04-04 Tom Tromey <tromey@redhat.com>
9956 * doc/install.texi (Prerequisites): Mention jar.
9958 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9960 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9963 2006-04-04 Matthias Klose <doko@debian.org>
9965 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9969 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9972 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9974 * doc/extend.texi (Function Attributes): Rewrite visibility
9975 attribute documentation.
9976 * doc/invoke.texi (C++ Dialect Options): Rewrite
9977 -fvisibility-inlines-hidden documentation to describe something
9978 entirely different, although in practise compatible.
9979 (Code Gen Options): Warn about system headers in -fvisibility=
9982 * doc/extend.texi (Other Builtins): Document that
9983 __builtin_nan is a compile-time constant only when its argument
9986 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9988 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9989 trying to remove TRUNCATE check if all bits outside the new mode
9990 are identical to the sign bit.
9992 2006-04-03 Jeff Law <law@redhat.com>
9994 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9995 and operand scanning in some common cases.
9997 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9998 Dale Johannesen <dalej@apple.com>
10001 * regclass.c (struct reg_pref): Update documentation.
10002 (regclass): Set prefclass to NO_REGS if memory is the best option.
10003 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10004 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10005 into account. For non-registers, equate an empty preferred
10006 reload class to a `!' in the constraint; move the if clause to
10007 do so after those that reject the insn.
10008 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10010 (find_dummy_reload): Likewise.
10011 * doc/tm.texi (Register Classes): Document what it means
10012 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10013 * config/i386/i386.c (ix86_preferred_reload_class): Force
10014 using SSE registers (and return NO_REGS for floating-point
10015 constants) if math is done with SSE.
10016 (ix86_preferred_output_reload_class): New.
10017 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10018 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10019 * config/i386/i386.md: Remove # register preferences.
10021 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10024 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10025 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10026 the type of nb_iter.
10027 (instantiate_parameters_1): Convert the operands before calling
10028 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10029 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10031 2006-04-02 Roger Sayle <roger@eyesopen.com>
10033 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10034 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10035 instead of convert.
10036 * dojump.c (do_jump): Likewise.
10037 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10038 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10039 gimplify_boolean_expr): Likewise.
10040 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10041 * varasm.c (array_size_for_constructor): Likewise.
10042 * tree-object-size.c (compute_object_offset): Likewise.
10044 2006-04-02 Roger Sayle <roger@eyesopen.com>
10046 PR middle-end/26977
10047 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10048 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10050 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10052 PR tree-optimization/26939
10053 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10055 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10057 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10058 at_stmt. Convert the type of operands before calling
10059 build_polynomial_chrec.
10060 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10061 add_to_evolution_1.
10062 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10063 (instantiate_parameters_1): Convert the type of operands before calling
10064 build_polynomial_chrec.
10065 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10066 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10067 reset_evolution_in_loop): Insert asserts to check the types of the
10069 (chrec_type): Moved...
10070 (eq_evolutions_p): Use operand_equal_p.
10071 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10072 the types of the operands.
10073 (chrec_type): ...here.
10074 * tree-data-ref.c (create_data_ref): Convert the operands before
10075 calling chrec_replace_initial_condition.
10076 (same_access_functions, analyze_subscript_affine_affine,
10077 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10078 (compute_subscript_distance, analyze_ziv_subscript,
10079 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10080 analyze_miv_subscript): Convert the operands before calling
10081 chrec_fold_minus or chrec_fold_plus.
10083 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10085 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10086 the dependence_relations vector.
10087 (compute_data_dependences_for_loop): Adjust call to
10088 compute_all_dependences.
10090 2006-04-01 Roger Sayle <roger@eyesopen.com>
10091 Richard Henderson <rth@redhat.com>
10093 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10094 gimple_boolify on the condition before calling gimplify_expr.
10096 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10098 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10099 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10100 the frame size. Update to use the new macros.
10101 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10102 * config/xtensa/ieee754-df.S: Likewise.
10104 2006-03-31 Richard Henderson <rth@redhat.com>
10106 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10107 (make_edges): ... here. Control fallthru creation with a local
10108 variable. Do not play with fake edges.
10109 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10110 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10113 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10115 * dwarf2.h (DW64_CIE_ID): Define.
10116 * dwarf2out.c (DWARF_CIE_ID): Define.
10117 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10118 length header. Use DWARF_CIE_ID.
10119 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10120 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10122 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10124 * config/sh/linux-atomic.asm: New file.
10125 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10127 2006-03-31 DJ Delorie <dj@redhat.com>
10129 * config/m32c/cond.md: Set condition flags properly throughout.
10130 * config/m32c/minmax.md: Likewise.
10131 * config/m32c/prologue.md: Likewise.
10132 * config/m32c/bitops.md: Likewise.
10133 * config/m32c/muldiv.md: Likewise.
10134 * config/m32c/mov.md: Likewise.
10135 * config/m32c/addsub.md: Likewise.
10136 * config/m32c/m32c.md: Likewise.
10137 * config/m32c/jump.md: Likewise.
10138 * config/m32c/shift.md: Likewise.
10140 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10141 conditionally output the pattern for this.
10142 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10143 (m32c_compare_redundant): New.
10144 (m32c_output_compare): New.
10145 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10147 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10148 dest, not src. Allow other 4-byte modes.
10150 2006-03-30 Denis Chertykov <denisc@overta.ru>
10152 * doc/md.texi: Refer to avr/constraints.md instead of
10155 2006-03-30 Roger Sayle <roger@eyesopen.com>
10157 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10158 signed vs. unsigned comparison failures on some hosts.
10160 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10163 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10164 change to FLOAT_REGS.
10166 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10167 (rs6000_override_options): Use it.
10168 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10169 only for -mabi=spe/no-spe and -mabi=altivec.
10171 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10173 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10176 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10178 * Makefile.in: Rename docdir to gcc_docdir.
10180 2006-03-30 Roger Sayle <roger@eyesopen.com>
10183 * expr.c (emit_group_store): Optimize group stores into a pseudo
10184 register by using a paradoxical subreg to initialize the destination
10185 if the first or last member of the group specifies a "low part".
10187 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10190 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10191 * target.h (struct gcc_target.speculate_insn): Change type of the
10192 second parameter to 'int'.
10193 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10194 the second operand of the DEPS_LIST.
10195 (copy_DEPS_LIST_list): Update reference to the second operand of the
10197 * rtl.h (alloc_DEPS_LIST): Update signature.
10198 * sched-int.h (ds_t): Change typedef to 'int'.
10199 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10201 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10203 * haifa-sched.c (try_ready): Change condition to restore
10204 non-speculative pattern of the instruction.
10205 (process_insn_depend_be_in_spec): Code to keep probability of the
10206 speculative dependence non-decreasing.
10208 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10210 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10211 (single_move_for_movmem): ... this. Also change all uses.
10212 (bfin_expand_strmov): Renamed to...
10213 (bfin_expand_movmem): ... this. Also change all uses.
10214 * config/bfin/bfin.md (movstrsi): Renamed to...
10215 (movstrsi): ...this.
10217 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10219 PR tree-optimization/26830
10221 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10222 (copy_prop_visit_stmt): Remove write-only variable ann.
10223 (init_copy_prop): Check variable loop depth here. Do not simulate
10224 memory-tag and virtual operand PHIs except for store copy prop.
10226 2006-03-30 Richard Guenther <rguenther@suse.de>
10228 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10229 variants with double arguments.
10231 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10233 * genpreds.c (write_tm_constrs_h): Delete variable p.
10234 * genconditions.c (write_header): Add tm-constrs.h to included
10236 * genpeep.c (main): Add toplev.h to included headers.
10237 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10238 (build/genpeep.o): Add toplev.h dependency.
10239 * config/rs6000/constraints.md: Add "W" constraint.
10241 2006-03-29 Roger Sayle <roger@eyesopen.com>
10243 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10244 sizes by correctly testing whether the size fits a host integer.
10245 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10246 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10247 SImode range for the default sizetype and bitsizetype.
10249 2006-03-29 Roger Sayle <roger@eyesopen.com>
10251 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10252 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10253 quickly if the argument is already of the correct type.
10254 Call fold_build1 instead of build1. Tidy up blank lines.
10256 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10258 * genemit.c (main): Add tm-constrs.h to included headers.
10259 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10260 * genpeep.c (main): Add tm-constrs.h to included headers.
10261 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10262 (write_tm_constrs_h): this and write complete file.
10263 (write_tm_preds_h): Do not emit satisfies_constraint fns.
10264 (write_insn_preds_c): Add tm-constrs.h to included headers.
10265 (gen_constrs): New variable.
10266 (parse_option): Parse "-c".
10267 (main): Invoke write_tm_constrs_h.
10268 * genrecog.c (write_header): Add tm-constrs.h to included headers.
10269 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
10270 (object_out_file): Add tm-constrs.h dependency.
10271 (insn-emit.o): Same.
10272 (insn-output.o): Same.
10273 (insn-peep.o): Same.
10274 (insn-preds.o): Same.
10275 (insn-recog.o): Same.
10276 (tm-constsr.h): New target.
10277 (s-constrs-h): New target.
10279 * config/rs6000/constraints.md: New file.
10280 * config/rs6000/rs6000.c: Include tm-constrs.h.
10281 (num_insn_constant_wide): Convert to satisfies_constraint.
10282 (rs6000_rtx_costs): Convert to satisfies_constraint.
10283 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
10284 (CONST_OK_FOR_LETTER_P): Delete.
10285 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10286 (EXTRA_CONSTRAINT): Delete.
10287 (EXTRA_MEMORY_CONSTRAINT): Delete.
10288 (EXTRA_ADDRESS_CONSTRAINT): Delete.
10289 * config/rs6000/predicates.md: Convert to satisfies_constraint.
10290 * config/rs6000/rs6000.md: Include constraints.md. Convert to
10291 satisfies_constraint.
10293 * config/i386/i386.c: Include tm-constrs.h.
10295 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10297 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
10298 * tree-data-ref.c (find_data_references_in_loop,
10299 compute_data_dependences_for_loop): Use pointers to VEC.
10300 (analyze_all_data_dependences): Adjust calls.
10301 * tree-data-ref.h (find_data_references_in_loop,
10302 compute_data_dependences_for_loop): Adjust declarations.
10303 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
10304 compute_data_dependences_for_loop.
10306 2006-03-29 Paul Brook <paul@codesourcery.com>
10308 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
10309 (movdf_vfp): Ditto.
10311 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
10313 PR tree-optimization/26859
10314 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
10316 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
10317 for the step after fold_convert.
10319 2006-03-29 Paul Brook <paul@codesourcery.com>
10321 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
10322 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
10324 2006-03-29 Paul Brook <paul@codesourcery.com>
10326 PR middle-end/23623
10327 * targhooks.c (default_narrow_bitfield): New fuction.
10328 * targhooks.h (default_narrow_bitfield): add prototype.
10329 * target.h (gcc_target): Add narrow_volatile_bitfield.
10330 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10331 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
10332 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
10333 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
10335 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10337 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
10339 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
10340 (NR_C_MODES): Add TDmode, DDmode and SDmode.
10341 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
10342 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
10343 (s390_function_arg_float): Allow SDmode and DDmode values to be
10344 passed in floating point registers.
10345 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
10346 check with SCALAR_FLOAT_MODE_P.
10347 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
10349 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10351 PR tree-optimization/25985
10352 * tree-ssa-loop-niter.c (number_of_iterations_le,
10353 number_of_iterations_ne): Make comments more precise.
10354 (number_of_iterations_cond): Add only_exit argument. Use the
10355 fact that signed variables do not overflow only when only_exit
10357 (loop_only_exit_p): New.
10358 (number_of_iterations_exit): Pass result of loop_only_exit_p to
10359 number_of_iterations_cond.
10361 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
10363 PR tree-optimization/26643
10364 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
10367 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10369 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
10370 (divsi3_i4_int): Likewise.
10372 2006-03-28 Roger Sayle <roger@eyesopen.com>
10374 * expr.c (emit_group_store): Only create a new pseudo reg if the
10375 quantity it needs to hold isn't already a suitable pseudo.
10377 2006-03-28 Jeff Law <law@redhat.com>
10379 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10380 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10382 2006-03-28 Roger Sayle <roger@eyesopen.com>
10384 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10385 the equivalent ~X & Y, and the symmetry related transformations.
10386 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10387 ~X & Y, and symmetry related transforms.
10389 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10391 Revert my 2006-03-27 patches.
10393 2006-03-28 Roger Sayle <roger@eyesopen.com>
10395 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10396 ~(T1)X, when T1 and T2 are integer types of the same precision
10397 and (T2)X isn't an extension.
10399 2006-03-28 Jeff Law <law@redhat.com>
10401 PR tree-optimization/26796
10402 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10403 need EH edge cleanups rather than purging them immediately.
10404 (eliminate_degenerate_phis): Handle queued EH cleanups.
10406 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10408 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10411 2006-03-27 Roger Sayle <roger@eyesopen.com>
10413 PR middle-end/22524
10414 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10415 cast BIT_NOT_EXPR operand to the correct type.
10417 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10419 * tree-loop-linear.c: Don't include varray.h.
10420 (gather_interchange_stats, try_interchange_loops,
10421 linear_transform_loops): Use VEC instead of VARRAY.
10422 * lambda-mat.c: Don't include varray.h.
10423 * tree-chrec.c: Same.
10424 * lambda-trans.c: Same.
10425 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10426 VEC instead of VARRAY.
10427 * tree-vectorizer.h: Idem.
10428 * tree-data-ref.c (dump_data_references,
10429 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10430 initialize_data_dependence_relation, finalize_ddr_dependent,
10431 compute_all_dependences, find_data_references_in_loop,
10432 compute_data_dependences_for_loop, analyze_all_data_dependences,
10433 free_dependence_relation, free_dependence_relations,
10434 free_data_refs): Idem.
10435 * tree-data-ref.h (data_reference_p, subscript_p): New.
10436 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10437 VEC instead of VARRAY.
10438 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10439 (find_data_references_in_loop, compute_data_dependences_for_loop,
10440 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10441 dump_data_dependence_relations, free_dependence_relations,
10442 free_data_refs): Adjust declaration.
10443 (lambda_transform_legal_p): Move declaration here...
10444 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10445 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10446 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10447 vect_analyze_data_refs): Use VEC instead of VARRAY.
10448 * lambda.h (lambda_transform_legal_p): ...from here.
10449 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10450 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10451 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10452 tree-chrec.o): Don't depend on VARRAY_H.
10454 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10456 * rtl.def (Copyright): Update date.
10457 (DEPS_LIST): Change type of the second operand to 'int'.
10458 * target.h (Copyright): Update date.
10459 (struct gcc_target.speculate_insn): Change type of the second parameter
10461 * lists.c (Copyright): Update date.
10462 (alloc_DEPS_LIST): Change signature. Update reference to the second
10463 operand of the DEPS_LIST.
10464 (copy_DEPS_LIST_list): Update reference to the second operand of the
10466 * rtl.h (Copyright): Update date.
10467 (alloc_DEPS_LIST): Update signature.
10468 * sched-int.h (Copyright): Update date.
10469 (ds_t): Change typedef to 'int'.
10470 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10472 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10474 * haifa-sched.c (Copyright): Update date.
10475 (try_ready): Change condition to restore non-speculative pattern
10476 of the instruction.
10477 (process_insn_depend_be_in_spec): Code to keep probability of the
10478 speculative dependence non-decreasing.
10480 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10482 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10483 shut up the compiler.
10485 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10487 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10488 to use lib prefix for target.
10489 ($(T)libic_invalidate_array_4-200.a): Likewise.
10490 ($(T)libic_invalidate_array_4a.a): Likewise.
10492 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10493 J"orn Rennecke <joern.rennecke@st.com>
10495 * superh.opt: New file.
10496 * sh.c (boardtype, osruntime): Remove.
10497 * superh.h (SUBTARGET_OPTIONS): Remove.
10498 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10500 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10501 arguments with ^ and/or [].
10503 * config.gcc (sh-*-*): Add quoting to account for quirk of
10505 Replace == with = in enable_incomplete_targets test.
10507 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10508 with MASK_LITTLE_ENDIAN.
10510 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10511 * config/sh/sh.opt: Added to some comments.
10512 * config/sh/superh.h: Removed some chaff.
10514 * config/sh/sh.opt: Add m4-[1234]00* options.
10515 * config/sh/sh.c (sh_handle_option): Likewise.
10516 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10517 (ic_invalidate_array_4-100.o): New rule.
10518 ($(T)libic_invalidate_array_4-100.a): Likewise.
10519 (ic_invalidate_array_4-200.o): Likewise.
10520 ($(T)libic_invalidate_array_4-200.a): Likewise.
10521 (ic_invalidate_array_4a.o): Likewise.
10522 ($(T)libic_invalidate_array_4a.a): Likewise.
10523 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10524 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10526 * config/sh/crt1.asm: Merged in profiling code.
10527 * config/sh/superh.h (STARTFILE_SPEC): Override.
10528 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10529 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10530 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10532 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10533 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10534 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10536 * sh.opt (mpretend-cmove): New option.
10537 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10538 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10539 (movsicc): Add TARGET_PRETEND_CMOVE code.
10541 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10543 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10544 s390_class_max_nregs): New function prototypes.
10545 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10546 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10547 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10548 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10550 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10552 * dwarf2out.c (add_location_or_const_value_attribute): Call
10553 tree_add_const_value_attribute if nothing else works.
10554 (reference_to_unused): New.
10555 (rtl_for_decl_init): Use reference_to_unused to decide whether
10556 to output an initializer.
10558 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10561 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10562 peephole removing spe frob_di_df_2.
10564 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10566 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10567 (subscript_dependence_tester_1): Declared.
10568 (print_dir_vectors, print_dist_vectors): New.
10569 (debug_data_dependence_relation): New.
10570 (dump_data_dependence_relation): Print more details.
10571 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10572 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10573 (save_dist_v, save_dir_v, add_outer_distances,
10574 build_classic_dist_vector_1): New.
10575 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10576 Don't test for lambda_vector_lexico_pos.
10577 (same_access_functions, add_multivariate_self_dist,
10578 add_other_self_distances, dir_from_dist): New.
10579 (build_classic_dir_vector): Replace implementation almost identical to
10580 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10582 (subscript_dependence_tester_1): New.
10583 (subscript_dependence_tester): Handle the lexicographically negative
10584 distance vectors by recomputing the dependence relation.
10585 (compute_affine_dependence): Remove parameter loop_nest_depth.
10586 (compute_self_dependence): Don't call compute_subscript_distance.
10587 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10588 Add a parameter for the loop_nest.
10589 (find_loop_nest_1, find_loop_nest): New.
10590 (compute_data_dependences_for_loop): Compute the loop nest, and give
10591 up if the nest is not well formed.
10592 * tree-data-ref.h (loop_p): New.
10593 (struct data_dependence_relation): Replace size_vect field with
10594 loop_nest, a vec of loops.
10595 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10596 (DDR_LOOP_NEST): New.
10597 (print_dir_vectors, print_dist_vectors,
10598 debug_data_dependence_relation): Declared.
10599 (index_in_loop_nest): New.
10600 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10601 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10604 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10606 * simplify-rtx.c (simplify_relational_operation): Call
10607 simplify_relational_operation_1 even if mode is VOIDmode.
10609 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10611 PR tree-optimization/26804
10612 * tree.h (DECL_CALL_CLOBBERED): New macro.
10613 (tree_decl_common): Add call_clobbered_flag.
10614 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10615 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10616 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10617 (mark_non_addressable): Ditto.
10618 * tree-ssa.c (verify_call_clobbered): New function.
10619 (verify_alias_info): Use it.
10620 * tree-pass.h (pass_reset_cc_flags): New prototype.
10621 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10622 (reset_cc_flags): New function.
10623 * passes.c (init_optimization_passes): Call reset_cc_flags after
10624 initializing referenced_vars.
10626 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10627 Roger Sayle <roger@eyesopen.com>
10629 PR middle-end/26717
10630 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10631 to 1.0 for non-real operands. Implement A / A optimization for
10634 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10636 * config/i386/i386.c (size_cost): Correct the comment for
10637 cost of storing fp registers.
10638 (i386_cost): Likewise.
10639 (i486_cost): Likewise.
10640 (pentium_cost): Likewise.
10641 (pentiumpro_cost): Likewise.
10642 (k6_cost): Likewise.
10643 (athlon_cost): Likewise.
10644 (k8_cost): Likewise.
10645 (pentium4_cost): Likewise.
10646 (nocona_cost): Likewise.
10647 (generic64_cost): Likewise.
10648 (generic32_cost): Likewise.
10650 2006-03-24 Denis Chertykov <denisc@overta.ru>
10652 * config/avr/avr-protos.h (extra_constraint): Delete.
10653 (extra_constraint_Q): New declaration.
10654 * config/avr/constraints.md: New file.
10655 * config/avr/avr.md: Include it.
10656 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10657 (TMP_REGNO, ZERO_REGNO): Likewise.
10658 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10659 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10660 (extra_constraint): Delete.
10661 (extra_constraint_Q): Test for memory constraint 'Q'.
10662 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10663 (REG_CLASS_FROM_LETTER): Delete.
10664 (CONST_OK_FOR_LETTER_P): Delete.
10665 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10666 (EXTRA_CONSTRAINT): Delete.
10667 (TMP_REGNO): Delete.
10668 (ZERO_REGNO): Delete.
10670 2006-03-24 Jeff Law <law@redhat.com>
10672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10673 directly. Call mark_new_vars_to_rename slightly earlier.
10675 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10677 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10678 (is_cxx): Likewise.
10679 (gen_compile_unit_die): Use new language types for Objective-C and
10681 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10682 DW_LANG_C_plus_plus.
10685 * config/t-darwin (crt3.o): Work around bug 26840.
10686 * config/darwin-crt3.c: Rewrite.
10687 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10689 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10691 * doc/invoke.texi: Document -femit-class-debug-always
10692 * common.opt: Add -femit-class-debug-always.
10694 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10696 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10697 index and base register.
10698 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10699 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10700 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10701 REGNO_OK_FOR_INDEX_P.
10702 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10704 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10705 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10706 REG_OK_FOR_BASE_P): Definitions removed.
10708 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10710 PR middle-end/26611
10711 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10712 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10713 set yet or weren't marked as local yet.
10715 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10717 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10720 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10722 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10723 (rs6000_legitimate_small_data_p): Delete.
10724 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10725 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10726 and make static. Add forward declaration. Update uses.
10727 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10728 of offsettable_memref_p.
10729 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10730 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10732 2006-03-24 Jeff Law <law@redhat.com>
10734 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10735 around bug in immediate-use iterator.
10737 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10740 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10741 or __LITTLE_ENDIAN__.
10743 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10745 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10746 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10747 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10748 * config/sh/sh.opt (mdiv=): Amend description.
10749 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10750 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10751 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10752 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10753 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10754 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10755 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10756 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10757 TARGET_DIVIDE_CALL_FP.
10759 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10761 * haifa-sched.c (choose_ready): Fix type of the local variable.
10762 Move local variables. Add comment.
10763 (check_reg_live): Change signature. Make callable from debugger.
10764 * sched-int.h (check_reg_live): Update signature.
10765 * sched-ebb.c (check_reg_live): Update parameters.
10766 * sched-rgn.c (check_reg_live): Ditto.
10767 (region_head_or_leaf_p): Check pointer before dereferencing.
10768 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10769 before reload on optimization levels below 1.
10771 2006-03-23 Richard Henderson <rth@redhat.com>
10773 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10777 * config/alpha/predicates.md (local_symbolic_operand): Reject
10780 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10783 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10784 expressions which have overflowed constants.
10786 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10788 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10790 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10792 * cfgloopmanip.c (create_loop_notes): Removed.
10793 * final.c (final_scan_insn): Do not handle loop notes.
10794 * jump.c (squeeze_notes): Ditto.
10795 * cfglayout.c (skip_insns_after_block,
10796 duplicate_insn_chain): Ditto.
10797 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10799 * cfgloop.h (create_loop_notes): Declaration removed.
10801 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10803 * varasm.c (output_constant_pool): Restore fnname and fndecl
10805 (assemble_start_function): Adjust call accordingly.
10806 (assemble_end_function): Likewise.
10808 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10811 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10814 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10816 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10819 * system.h (ICE_EXIT_CODE): New macro.
10820 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10821 (diagnostic_action_after_output): Likewise.
10822 * gcc.c (fatal_ice): New function.
10823 (execute): Use it instead of fatal.
10824 (fancy_abort): Likewise.
10825 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10827 2006-03-22 Jeff Law <law@redhat.com>
10829 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10830 iv_analyze_result returning false.
10832 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10834 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10836 2006-03-22 Richard Henderson <rth@redhat.com>
10838 PR middle-end/26084
10839 * except.c (duplicate_eh_regions_0): New.
10840 (duplicate_eh_region_1): Duplicate the children of the node as
10841 well as the node itself. Link them up properly.
10842 (duplicate_eh_region_2): Merge into ...
10843 (duplicate_eh_regions): ... here. Take copy_region argument, and
10844 copy only a sub-tree if asked. Simplify copying and fixup.
10845 (eh_region_outer_p): New.
10846 * except.h (duplicate_eh_regions): Update decl.
10847 (eh_region_outer_p): Declare.
10848 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10849 (lower_omp_master): Likewise.
10850 (lower_omp_ordered): Likewise.
10851 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10852 (move_stmt_r): Use it to remap labels. Handle recursion vs
10853 remap_decls_p properly.
10854 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10855 (find_outermost_region_in_block): New.
10856 (new_label_mapper): New.
10857 (move_sese_region_to_fn): Copy eh information to the new function
10859 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10861 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10864 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10866 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10867 into shared libraries.
10869 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10871 * doc/md.texi: Refer to i386/constraints.md instead of
10872 i386/predicates.md.
10873 * config/i386/constraints.md: New file, extracted from...
10874 * config/i386/predicates.md: ...here.
10875 * config/i386/i386.md: Include constraints.md.
10877 2006-03-21 Jason Merrill <jason@redhat.com>
10879 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10881 PR middle-end/20297
10882 * expr.c (init_block_move_fn): Force default visibility.
10883 (init_block_clear_fn): Likewise.
10884 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10885 * targhooks.c (default_external_stack_protect_fail): Likewise.
10887 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10889 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10890 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10891 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10892 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10893 (loadgp): Use mips_current_loadgp_style.
10894 (loadgp_noshared): New pattern.
10895 (sibcall_internal): Use MIPS_CALL.
10896 (sibcall_value_internal): Likewise.
10897 (sibcall_value_multiple_internal): Likewise.
10898 (call_internal): Likewise.
10899 (call_value_internal): Likewise.
10900 (call_value_multiple_internal): Likewise.
10901 (call_split): Use MIPS_CALL and add an 'S' constraint.
10902 (call_value_split): Likewise.
10903 (call_value_multiple_split): Likewise.
10904 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10905 (-mshared): New option.
10906 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10907 (mips_current_loadgp_style): Declare.
10908 * config/mips/mips.c (mips_classify_symbol): Avoid using
10909 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10910 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10911 TARGET_ABSOLUTE_ABICALLS.
10912 (override_options): Adjust comments. Improve the warning that is
10913 issued when -mabicalls and -G are used together.
10914 (mips_file_start): Remove comment.
10915 (mips_current_loadgp_style): New function.
10916 (mips_gnu_local_gp): New variable.
10917 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10919 (mips_output_function_prologue): Use mips_current_laodgp_style.
10920 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10921 the cprestore instruction.
10922 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10923 live for TARGET_ABSOLUTE_ABICALLS.
10924 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10925 (ASM_SPEC): Pass down -mshared and -mno-shared.
10926 (MIPS_CALL): New macro.
10927 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10929 * doc/invoke.texi (-mabicalls): Update documentation.
10930 (-mshared): Document.
10932 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10934 * config/ia64/unwind-hpux.c: New file.
10935 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10937 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10940 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10942 2006-03-21 Jeff Law <law@redhat.com>
10944 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10945 type conversions of a VR_VARYING source to a wider type.
10947 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10949 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10950 tm_file on Solaris 10 and later.
10951 (sparc64-*-solaris2*): Likewise.
10952 (sparc-*-solaris2*): Likewise.
10953 * config/sol26.h: Rename to config/sol2-6.h.
10954 * config/sol2-10.h: New file.
10956 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10959 * tree-ssa-pre.c (create_component_ref_by_pieces):
10962 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10965 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10966 return it immediately.
10968 2006-03-21 Michael Matz <matz@suse.de>
10970 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10972 (remove_arc, add_arc): Update num_out_arcs member.
10973 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10975 (cache_presence): New function.
10976 (compare_states_for_equiv): New function.
10977 (state_is_differed): Don't take number of outargs, adjust callers.
10978 Use new invariant for speeding up.
10979 (init_equiv_class): Create initial classes based on sorted
10981 (partition_equiv_class): Don't track out_arcs_num.
10982 (evaluate_equiv_classes): Call cache_presence on all states and
10985 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10987 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10988 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10989 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10990 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10992 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10993 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10994 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10995 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10996 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10998 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10999 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11000 (REGNO_REG_CLASS): ARGP is in PREGS.
11001 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11003 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11004 to deal with those addresses.
11005 * addresses.h: New file.
11006 * caller-save.c: Include "addresses.h".
11007 (init_caller_save): Use new base_reg_class function.
11008 * rtl-factoring.c: Include "addresses.h".
11009 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11010 * recog.c: Include "addresses.h".
11011 (preprocess_constraints): Use new base_reg_class function.
11012 * regrename.c: Include "addresses.h".
11013 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11014 functions. Keep track of a new var INDEX_CODE to compute valid
11016 (replace_oldest_value_addr): Likewise.
11017 (replace_oldest_value_mem): Use base_reg_class.
11018 * reload.c: Include "addresses.h".
11019 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11020 (find_reloads): Use new base_reg_class function.
11021 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11022 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11023 all callers and prototype changed.
11024 * reload1.c: Include "addresses.h".
11025 (maybe_fix_stack_asms): Use base_reg_class.
11026 * regclass.c: Include "addresses.h".
11027 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11028 (init_reg_autoinc): Use new base_reg_class function.
11029 (record_reg_classes): Likewise.
11030 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11031 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11032 Use new args to compute necessary class.
11034 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11035 regrename.o, rtl-factoring.o): Update dependencies.
11036 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11037 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11038 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11039 REG_OK_FOR_INDEX_P): Delete documentation.
11041 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11043 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11044 from V7 to V9 for Solaris 7 and above.
11046 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11048 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11049 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11050 argument pointers may not alias any other storage.
11051 * common.opt: Define option -fargument-noalias-anything.
11052 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11053 alias semantics is specified by flag_argument_noalias > 2.
11055 2006-03-20 Jeff Law <law@redhat.com>
11057 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11058 (pass_phi_only_cprop): Declare.
11059 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11060 with phi_only_cprop
11061 * tree-ssa-dom.c (degenerate_phi_result): New function.
11062 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11063 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11064 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11065 (eliminate_degenerate_phis): Likewise.
11066 (pass_phi_only_cprop): New pass descriptor.
11067 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11068 support code. Callers updated.
11069 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11070 (store_copy_prop): Likewise.
11071 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11073 2006-03-20 Jason Merrill <jason@redhat.com>
11076 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11077 (push_visibility, pop_visibility): Likewise.
11078 * c-pragma.h: Declare them.
11080 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11082 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11084 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11085 parameter and use get_ebb_head_tail.
11086 (sh_md_init_global): Adjust uses of find_regmode_weight.
11088 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11090 * function.h (struct function) <x_tail_recursion_reentry>:
11091 Rename to x_stack_check_probe_note.
11092 (tail_recursion_reentry): Rename to stack_check_probe_note.
11093 * function.c: Replace tail_recursion_reentry with
11094 stack_check_probe_note everywhere.
11095 (expand_function_start): Only emit a note for
11096 stack_check_probe_note with -fstack-protect.
11097 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11099 * emit-rtl.c (remove_unnecessary_notes): Remove.
11100 (pass_remove_unnecessary_notes): Remove.
11101 * rtl.h (remove_unnecessary_notes): Remove prototype.
11102 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11103 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11104 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11106 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11109 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11110 (valid_in_set): Handle ARRAY_REF.
11111 Change "if min_variant or VH" to asserts.
11112 (create_component_ref_by_pieces): Handle ARRAY_REF.
11113 (create_expression_by_pieces): Likewise.
11114 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11116 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11118 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11119 is operand of switch, not str[0].
11121 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11123 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11124 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11126 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11128 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11129 end of insn_extra_address_constraint declaration.
11131 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11133 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11134 (no-sum-in-toc): Same.
11135 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11137 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11138 NO_FP_IN_TOC for -fPIC instead of mask.
11140 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11141 (BOOT_LDFLAGS): Delete.
11143 * config/rs6000/t-aix52: Same.
11145 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11146 (stmsi[345678]_power): New.
11148 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11150 * config/ia64/ia64.opt: Add empty line to end of file.
11152 2006-03-17 Richard Guenther <rguenther@suse.de>
11154 PR middle-end/26721
11155 * builtins.c (get_pointer_alignment): For component style references
11156 adjust alignment to the component type alignment. Make sure
11157 to adjust alignment for component access of constants.
11159 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11161 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11162 unconditional jump.
11164 2006-03-17 Paul Brook <paul@codesourcery.com>
11166 * doc/install.texi: Docuemnt --with-mode.
11167 * config.gcc: Add --with-mode for arm*-*-*.
11168 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11170 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11172 * sh.c (max_labelno_before_reorg): New variable.
11173 (sh_reorg): Initialize it.
11174 (find_barrier): Check max_labelno_before_reorg before using
11175 label_to_alignment. Take length of explicit alignment insns
11176 into account. When seeing a UNSPECV_CONST_END, return it.
11178 * sh.c (fixup_mova): Set mode of affected label to QImode.
11179 (untangle_mova): New function.
11180 (find_barrier): Use it. Check mode of label before decrementing
11182 (sh_reorg): Likewise.
11183 Set mode of all insns back to VOIDmode.
11185 * sh.c (MOVA_LABELREF): New macro.
11186 (mova_p, fixup_mova, sh_reorg): Use it.
11187 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11188 ADDR_DIFF_VEC matches mova.
11190 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11192 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11193 with ATTRIBUTE_UNUSED.
11195 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11197 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11198 pointer, instead of assuming it is possible to derive the
11199 correct args size from a call insn.
11201 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11203 * rtl.h (CONST_INT_P): Define.
11204 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11205 instead of GET_CODE(x) == CONST_INT.
11206 (vax_rtx_costs): Likewise.
11207 (vax_output_int_move): Likewise.
11208 (vax_output_int_add): Likewise.
11209 (legitimate_constant_address_p): Likewise.
11210 (index_term_p): Likewise.
11211 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11212 * config/vax/vax.md (and<mode>3): Likewise.
11213 (ashrsi3): Likewise.
11215 (movstricthi): Likewise.
11216 (movstrictqi): Likewise.
11217 (rotrsi3): Likewise.
11218 (five unnamed insns): Likewise.
11220 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11222 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11223 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11224 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11225 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11226 Pass to ASM_OUTPUT_DWARF_OFFSET.
11227 * dwarf2out.c (debug_frame_section): New.
11228 (output_call_frame_info): Use debug_frame_section. Pass it to
11229 dw2_asm_output_offset.
11230 (output_die): Pass appropriate section to dw2_asm_output_offset.
11231 (output_compilation_unit_header): Likewise.
11232 (output_pubnames): Likewise.
11233 (output_aranges): Likewise.
11234 (enum dw_val_class): Break dw_val_class_lbl_offset into
11235 dw_val_class_lineptr and dw_val_class_macptr.
11236 (add_AT_lbl_offset): Delete.
11237 (add_AT_lineptr): New.
11238 (add_AT_macptr): New.
11239 (AT_lbl): Expect a lineptr or macptr.
11240 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11241 (attr_checksum): Likewise.
11242 (same_dw_val_p): Likewise.
11243 (size_of_die): Likewise.
11244 (value_format): Likewise.
11245 (output_die): Likewise.
11246 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11248 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11249 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11250 * config/darwin-protos.h (darwin_file_start): New.
11251 (darwin_asm_output_dwarf_offset): New.
11252 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11253 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11255 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11256 if not EH section; simplify.
11257 (darwin_file_start): New.
11258 (darwin_asm_output_dwarf_offset): New.
11259 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11261 (DEBUG_INFO_SECTION): Likewise.
11262 (DEBUG_ABBREV_SECTION): Likewise.
11263 (DEBUG_ARANGES_SECTION): Likewise.
11264 (DEBUG_MACINFO_SECTION): Likewise.
11265 (DEBUG_LINE_SECTION): Likewise.
11266 (DEBUG_LOC_SECTION): Likewise.
11267 (DEBUG_PUBNAMES_SECTION): Likewise.
11268 (DEBUG_STR_SECTION): Likewise.
11269 (DEBUG_RANGES_SECTION): Likewise.
11270 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
11271 (ASM_OUTPUT_DWARF_OFFSET): New.
11273 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
11275 * config.gcc (tm_defines): Always add to previous value rather
11278 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11280 * config/mips/predicates.md (splittable_const_int_operand): New,
11281 split from move_operand.
11282 (splittable_symbolic_operand): New.
11283 (move_operand): Add commentary. Use splittable_const_int_operand.
11284 Inline mips_atomic_symbolic_constant_p.
11285 * config/mips/mips.md: Add combine splitters for handling moves
11286 of splittable_const_int_operands and splittable_symbolic_operands.
11287 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
11288 (mips_split_symbol): Declare.
11289 (mips_move_integer): Declare.
11290 * config/mips/mips.c (mips_split_p): Make global.
11291 (TARGET_MIN_ANCHOR_OFFSET): Override default.
11292 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11293 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11294 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
11295 (mips_offset_within_object_p): Handle block symbols.
11296 (mips_atomic_symbolic_constant_p): Delete.
11297 (mips_cannot_force_const_mem): Return false for constants that
11298 mips_legitimize_move can handle.
11299 (mips_use_blocks_for_constant_p): New function.
11300 (mips_split_symbol): Make global.
11301 (mips_move_integer): Likewise. Add a temporary register argument.
11302 (mips_legitimize_const_move): Use splittable_const_int_operand and
11303 splittable_symbolic_operand.
11304 (mips_use_anchors_for_symbol_p): New function.
11305 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
11306 (mips_split_p): Declare.
11308 2006-03-16 Richard Sandiford <richard@codesourcery.com>
11310 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
11311 (mips*-*-linux*): Likewise.
11313 2006-03-16 Roger Sayle <roger@eyesopen.com>
11314 Daniel Speyer <dspeyer@wam.umd.edu>
11316 PR middle-end/18259
11317 * tree-dump.c (dump_real): New function.
11318 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
11319 * Makefile.in (REAL_H): New macro for dependencies on real.h.
11320 (tree-dump.o): Add $(REAL_H) to the dependencies.
11322 2006-03-16 Roger Sayle <roger@eyesopen.com>
11324 PR middle-end/21781
11325 * real.c (real_from_string): If the mantissa is zero, don't bother
11326 parsing the exponent as the result should always be zero.
11328 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
11330 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11332 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11334 * config/ia64/ia64.c (stops_p): Added explicit initialization.
11335 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
11336 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
11337 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
11338 ia64_sched_finish_global): New static functions to implement
11339 hooks from gcc_target.sched.
11340 (spec_check_no, max_uid, pending_data_specs): New static variables.
11341 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
11342 ia64_spec_check_src_p): New static functions.
11343 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
11344 (TARGET_SCHED_ADJUST_COST): Removed.
11345 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
11346 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
11347 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11348 TARGET_SCHED_GEN_CHECK,
11349 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11350 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
11351 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
11352 Fixed to handle speculation checks.
11353 (rtx_needs_barrier): Fixed to handle speculative loads and
11355 (ia64_variable_issue): Added code to count speculative loads and their
11357 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
11359 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
11361 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
11363 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
11364 (ia64_reorg): Reset stops_p to NULL after it is freed.
11365 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
11366 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
11367 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
11369 (data_speculative, control_speculative, check_load): New attributes.
11370 (mov<mode>_advanced, mov<mode>_speculative,
11371 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11372 zero_extend<mode>di2_speculative,
11373 zero_extend<mode>di2_speculative_advanced): New patterns for
11374 data and control speculative loads.
11375 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11377 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11378 New pattern for data and control speculation checks.
11379 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11380 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11381 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11382 Auxiliary definitions for the patterns.
11383 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11384 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11386 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11388 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11389 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11390 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11391 New resource constraints.
11392 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11394 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11395 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11396 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11397 msched-in-control-spec, msched-ldc, msched-control-ldc,
11398 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11399 msched-prefer-non-control-spec-insns,
11400 msched-count-spec-in-critical-path): New flags to tune speculative
11402 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11403 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11404 msched-in-control-spec, msched-ldc, msched-control-ldc,
11405 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11406 msched-prefer-non-control-spec-insns,
11407 msched-count-spec-in-critical-path): Document new flags.
11409 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11411 * target.h (struct spec_info_def): New opaque declaration.
11412 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11413 speculate_insn, needs_block_p, gen_check,
11414 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11415 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11416 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11417 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11418 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11419 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11421 (TARGET_SCHED): Use new macros.
11422 * rtl.h (copy_DEPS_LIST_list): New prototype.
11423 * sched-int.h (struct sched_info): Change signature of new_ready field,
11424 adjust all initializations. New fields: add_remove_insn,
11425 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11426 region_head_or_leaf_p.
11427 (struct spec_info_def): New structure declaration.
11428 (spec_info_t): New typedef.
11429 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11430 recovery_block, orig_pat.
11431 (glat_start, glat_end): New variables declaraions.
11432 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11434 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11435 DETACH_LIFE_INFO, USE_GLAT.
11436 (enum SPEC_SCHED_FLAGS): New enumeration.
11437 (NOTE_NOTE_BB_P): New macro.
11438 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11439 attach_life_info, debug_spec_status, check_reg_live): New functions.
11440 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11441 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11443 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11444 * ddg.c (get_block_head_tail): Adjust all uses.
11445 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11446 (sms_sched_info): Initialize new fields.
11447 (contributes_to_priority): Removed.
11448 * haifa-sched.c (params.h): New include.
11449 (get_block_head_tail): Adjust all uses.
11450 (ISSUE_POINTS): New macro.
11451 (glat_start, glat_end): New global variables.
11452 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11453 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11454 old_last_basic_block, before_recovery, current_sched_info_var,
11455 rgn_n_insns, luid): New static variables.
11456 (insn_cost1): New function. Move logic from insn_cost to here.
11457 (find_insn_reg_weight1): New function. Move logic from
11458 find_insn_reg_weight to here.
11459 (reemit_notes, move_insn, max_issue): Change signature.
11460 (move_insn1): Removed.
11461 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11462 extend_bb): New static functions to support extension of scheduler's
11464 (generate_recovery_code, process_insn_depend_be_in_spec,
11465 begin_speculative_block, add_to_speculative_block,
11466 init_before_recovery, create_recovery_block, create_check_block_twin,
11467 fix_recovery_deps): New static functions to support
11468 generation of recovery code.
11469 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11470 restore_bb_notes, move_block_after_check, move_succs): New static
11471 functions to support ebb scheduling.
11472 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11473 functions to support handling of register live information.
11474 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11475 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11476 add_jump_dependencies): New static functions.
11477 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11478 consistancy checking.
11479 (debug_spec_status): New function to call from debugger.
11480 (priority): Added code to handle speculation checks.
11481 (rank_for_schedule): Added code to distinguish speculative instructions.
11482 (schedule_insn): Added code to handle speculation checks.
11483 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11484 Fixed to handle ebbs.
11485 (move_insn): Added code to handle ebb scheduling.
11486 (max_issue): Added code to use ISSUE_POINTS of instructions.
11487 (choose_ready): Added code to choose between speculative and
11488 non-speculative instructions.
11489 (schedule_block): Added code to handle ebb scheduling and scheduling of
11490 speculative instructions.
11491 (sched_init): Initialize new variables.
11492 (sched_finish): Free new variables. Print statistics.
11493 (try_ready): Added code to handle speculative instructions.
11494 * lists.c (copy_DEPS_LIST_list): New function.
11495 * sched-deps.c (extend_dependency_caches): New function. Move logic
11496 from create_dependency_caches to here.
11497 (get_dep_weak, ds_merge): Make global.
11498 * genattr.c (main): Code to output prototype for
11499 dfa_clear_single_insn_cache.
11500 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11501 (output_dfa_clean_insn_cache_func): Code to output
11502 dfa_clear_single_insn_cache function.
11503 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11505 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11507 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11508 New static variables.
11509 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11510 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11512 (ebb_sched_info): Initialize new fields.
11513 (get_block_head_tail): Adjust all uses.
11514 (compute_jump_reg_dependencies): Fixed to use glat_start.
11515 (schedule_ebb): Code to remove unreachable last block.
11516 (schedule_ebbs): Added code to update register live information.
11517 * sched-rgn.c (region_sched_info): Initialize new fields.
11518 (get_block_head_tail): Adjust all uses.
11519 (last_was_jump): Removed. Adjust users.
11520 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11521 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11522 Implement new hooks.
11523 (check_dead_notes1): New static function.
11524 (struct region): New fields: dont_calc_deps, has_real_ebb.
11525 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11526 (BB_TO_BLOCK): Fixed to handle EBBs.
11527 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11528 (ebb_head): New static variable.
11529 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11530 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11532 (compute_dom_prob_ps): New assertion.
11533 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11534 global_live_at_start.
11535 (init_ready_list): New assertions.
11536 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11537 (new_ready): Add support for BEGIN_CONTROL speculation.
11538 (schedule_insns): Fixed code that updates register live information
11540 (schedule_region): Fixed to handle EBBs.
11541 (init_regions): Use extend_regions and check_dead_notes1.
11542 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11543 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11544 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11545 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11546 TARGET_SCHED_GEN_CHECK,
11547 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11548 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11549 * doc/invoke.texi (max-sched-insn-conflict-delay,
11550 sched-spec-prob-cutoff): Document.
11552 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11554 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11555 inter_tick, queue_index.
11556 (struct sched_info): Change signature of init_ready_list field.
11557 Adjust all initializations.
11558 (RESOLVED_DEPS): New access macro.
11559 (ready_add): Remove prototype.
11560 (try_ready): Add prototype.
11561 * sched-rgn.c (init_ready_list): Use try_ready.
11562 (schedule_region): Initialize
11563 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11564 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11565 (init_ready_list): Use try_ready.
11566 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11567 * lists.c (remove_list_elem): Remove `static'.
11568 (remove_free_INSN_LIST_elem): New function.
11569 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11570 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11571 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11573 (readyp): New variable.
11574 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11575 change_queue_index, resolve_dep): New static functions.
11576 (try_ready): New function. Adjust callers in sched-rgn.c and
11577 sched-ebb.c to use it instead of ready_add.
11578 (clock_var): Move at the begining of file.
11579 (rank_for_schedule): Fix typo.
11580 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11581 (ready_lastpos): Enforce assertion.
11582 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11583 update all callers.
11584 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11585 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11586 (queue_to_ready): Use free_INSN_LIST_list.
11587 (early_queue_to_ready): Fix typo.
11588 (schedule_block): Init readyp. Move init_ready_list call after the
11589 initialization of clock_var. Fix error in rejecting insn by
11590 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11591 that previously corrected INSN_TICKs. Add code for handling
11593 (set_priorities): Fix typo.
11594 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11595 Clarify comment and code that keeps current_sched_info->next_tail
11598 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11600 * sched-rgn.c (extend_rgns): New static function.
11601 (find_rgns): Use it.
11602 (gather_region_statistics, print_region_statistics): New static
11604 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11605 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11607 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11608 Andrey Belevantsev <abel@ispras.ru>
11610 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11611 * lists.c (unused_deps_list): New variable.
11612 (free_list): Add assertions to verify the proper distinguishing
11613 between INSN_LISTs and DEPS_LISTs.
11614 (find_list_elem, remove_list_elem, remove_list_node): New static
11616 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11617 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11618 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11619 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11621 (free_INSN_LIST_node): Likewise.
11622 * modulo-sched.c (current_sched_info): Initialize flags field.
11623 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11624 * rtl.def (DEPS_LIST): Define.
11625 * rtl.h: Declare new functions from lists.c.
11626 * sched-deps.c (spec_dependency_cache): New static variable.
11627 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11628 (add_dependence): Change return type to void. Move the logic to ...
11629 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11630 (delete_all_dependences): Add comment about forward_dependency_cache.
11631 Handle spec_dependency_cache. Handle DEPS_LISTs.
11632 (fixup_sched_groups): Clarify the change of priority of output
11633 and anti dependencies.
11634 (sched_analyze_2): Adjust add_dependence calls to create data
11635 speculative dependence.
11636 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11637 Adjust all callers. Handle DEPS_LISTS.
11638 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11639 presence of speculation.
11640 (init_dependency_caches, free_dependency_caches):
11641 Handle spec_dependency_cache.
11642 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11643 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11644 New static functions.
11645 (add_or_update_back_dep, add_or_update_back_forw_dep,
11646 add_back_forw_dep, delete_back_forw_dep): New functions.
11647 * sched-int.h (ds_t, dw_t): New typedefs.
11648 (struct sched_info): Add new field flags.
11649 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11650 Prototype new sched-deps.c functions.
11651 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11652 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11653 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11654 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11655 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11656 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11658 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11660 * sched-rgn.c (current_sched_info): Initialize flags field.
11661 (schedule_insns): Initialize current_sched_info before the sched_init
11663 * sched-ebb.c (current_sched_info): Initialize flags field.
11664 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11665 Call add_or_update_back_dep instead of add_dependence.
11666 Create control speculative dependencies.
11667 (schedule_insns): Initialize current_sched_info before the sched_init
11670 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11672 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11674 (sh_fallback_frame_state): Likewise.
11676 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11678 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11679 Do switch on default_use_cxa_atexit.
11680 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11681 * config/darwin-crt3.o: New.
11682 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11683 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11684 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11686 * config/rs6000/t-darwin: Move crt2.o building to here.
11687 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11688 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11691 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11693 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11694 from '! xxx' to '!xxx' for coding-style conformance.
11695 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11696 (EXTRA_CONSTRAINT): Likewise.
11697 * config/vax/vax.md (four unnamed insns): Likewise.
11699 2006-03-15 Paul Brook <paul@codesourcery.com>
11701 * config/arm/arm.c (minipool_pad): New.
11702 (add_minipool_forward_ref): Include pool alignment padding in address
11704 (push_minipool_fix): Set minipool_pad.
11705 (minipool_pad): Ditto.
11707 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11709 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11710 instead of GET_CODE() == MEM and REG_P() instead of
11712 (print_operand_address): Likewise.
11713 (vax_address_cost): Likewise.
11714 (vax_rtx_costs): Likewise.
11715 (vax_notice_update_cc): Likewise.
11716 (vax_output_int_add): Likewise.
11717 (INDEX_REGISTER_P): Likewise.
11718 (BASE_REGISTER_P): Likewise.
11719 (nonindexed_address_p): Likewise.
11720 (vax_mode_dependent_address_p): Likewise.
11721 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11722 (PRINT_OPERAND): Likewise.
11723 * config/vax/vax.md (ashlsi3): Likewise.
11724 (ashlsi3): Likewise.
11725 (some more unnamed insns): Likewise.
11727 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11729 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11730 iterator-style macro.
11731 (mark_control_dependent_edges_necessary): Update the use of
11732 EXECUTE_IF_CONTROL_DEPENDENT.
11734 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11736 * config/sh/predicates.md (cache_address_operand): Special.
11737 (ua_address_operand): Likewise.
11739 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11741 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11743 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11745 2006-03-15 Andreas Schwab <schwab@suse.de>
11747 * gensupport.c (identify_predicable_attribute): Don't free p_false
11748 when it is still in use.
11750 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11752 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11753 the default setting here.
11755 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11757 * tree-pass.h (pass_cfg): Remove.
11758 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11759 * passes.c (pass_cfg): Don't run it.
11761 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11763 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11764 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11766 (stack_regs_mentioned): Update the uses of
11767 stack_regs_mentioned_data. Don't access the array beyond its
11769 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11770 Don't include gt-reg-stack.h.
11772 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11773 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11775 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11777 PR middle-end/26684
11778 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11781 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11783 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11785 2006-03-14 Richard Guenther <rguenther@suse.de>
11787 PR tree-optimization/26672
11788 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11791 2006-03-14 Richard Guenther <rguenther@suse.de>
11793 PR tree-optimization/26667
11794 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11795 node for the callees. Always allow inlining if it will shrink
11798 2006-03-14 Richard Guenther <rguenther@suse.de>
11800 PR middle-end/26659
11801 * builtins.c (get_pointer_alignment): Prefer alignment
11802 information from decls over that from types.
11804 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11807 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11809 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11811 * config/rs6000/rs6000.opt (mdlmzb): New option.
11812 (msched-prolog, msched-epilog): Use Var not Mask.
11813 * doc/invoke.texi (-mdlmzb): Document.
11814 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11816 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11817 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11819 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11821 PR rtl-optimization/25739
11822 * bt-load.c (augment_live_range): Free tos pointer.
11824 * gensupport.c (identify_predicable_attribute): Free
11826 * gcov.c (create_file_names): Free name pointer.
11828 2006-03-13 Roger Sayle <roger@eyesopen.com>
11830 PR middle-end/26557
11831 * stmt.c (emit_case_nodes): Handle the case where the index is a
11832 CONST_INT, where the comparison mode is specified by the index type.
11834 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11836 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11839 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11841 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11842 (*branch_fp_inverted): Likewise.
11844 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11846 PR middle-end/25989
11847 * omp-low.c (expand_omp_for_generic): Mark istart0
11848 and iend0 as addressable.
11850 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11852 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11854 2006-03-13 Jeff Law <law@redhat.com>
11856 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11857 virtual operands are interesting.
11858 (vrp_visit_stmt): Corresponding changes.
11860 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11862 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11864 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11865 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11866 * config/bfin/crti.S: Use it instead of __PIC__.
11867 * config/bfin/crtn.S: Likewise.
11869 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11870 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11872 Lose 'G' modifier for call operand.
11873 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11874 recognize 'G' modifier.
11876 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11878 PR middle-end/18859
11879 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11880 * stmt.c (expand_case): Likewise.
11882 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11884 PR rtl-optimization/26254
11885 * loop-invariant.c (seq_insns_valid_p): New function.
11886 (move_invariant_reg): Only emit new code if it is valid.
11888 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11890 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11892 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11893 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11894 (commit_one_edge_insertion): Do not look for loop notes.
11896 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11898 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11899 flag_test_coverage out of loop.
11901 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11903 * final.c (shorten_branches): Remove outdated comment, and turn
11904 the if branch that guards it to continue.
11906 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11908 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11909 * cfgloop.h (struct loop): Remove unused fields.
11911 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11913 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11914 (-dL, -fdump-rtl-loop2): Update the dump file names
11916 * doc/invoke.texi: Update dump file names.
11918 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11920 * predict.c (estimate_probability): Remove.
11921 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11922 * basic-block.h (estimate_probability): Remove prototype.
11923 * passes.c (finish_optimization_passes): Dump branch prediction or
11924 profiling heuristics to the .profile tree dump.
11925 (init_optimization_passes): Unqueue pass_branch_prob.
11927 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11929 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11931 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11932 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11934 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11936 * function.h (frame_offset_overflow): Declare.
11937 * function.c (frame_offset_overflow): New function.
11938 (assign_stack_local_1): Call it to detect that the offset overflows.
11939 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11941 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11943 * config/sh/sh.c: Include alloc-pool.h.
11944 (label_ref_list_pool): New alloc pool.
11945 (label_ref_list_t): New type for lists of labels.
11946 (struct pool_node): Make wend a label_ref_list_t.
11947 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11949 (dump_table): Likewise.
11950 (sh_reorg): Set up the alloc pool before using add_constant and
11951 dump_table, and destroy it when finishing.
11953 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11955 * config/mips/mips.c: Remove redundant comment.
11957 2006-03-10 Jason Merrill <jason@redhat.com>
11960 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11961 the target was declared 'register'.
11963 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11965 * genpreds.c (write_insn_constraint_len): Change definition of
11966 insn_constraint_len to return size_t to match the declaration.
11968 2006-03-10 DJ Delorie <dj@redhat.com>
11970 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11972 (m32c_expand_insv): Fix test for an AND mask.
11974 2006-03-10 Richard Guenther <rguenther@suse.de>
11976 PR middle-end/26565
11977 * builtins.c (get_pointer_alignment): Handle component
11978 references for field alignment.
11980 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11982 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11983 when building with libgloss.
11984 (sh*elf): Implement --without-fp option.
11985 (sh64-superh-linux*): Don't multilib.
11987 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11989 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11991 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11993 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11994 Set it when one of the replacement functions returned true.
11995 Return TODO_cleanup_cfg if cfgchanged is true.
11996 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11998 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12000 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12001 instead of gen_lowpart.
12003 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12005 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12007 (mips_output_order_conditional_branch): Declare.
12008 * config/mips/mips.h (MIPS_BRANCH): New macro.
12009 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12010 for the comparison. Use gen_condjump.
12011 (mips_output_conditional_branch): Rework interface to take the
12012 asm templates for a direct branch and the inverse of a direct branch.
12013 (mips_output_order_conditional_branch): New function.
12014 (mips_builtin_branch_and_move): New function.
12015 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12016 branch condition. Use gen_single_cc as the condition for
12017 __builtin_mips_upper_* or __builtin_mips_lower_*.
12018 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12019 Use VOIDmode for the branch condition.
12020 * config/mips/predicates.md (order_operator): New predicate.
12021 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12022 (branch_fp): Rename to...
12023 (*branch_fp): ...this. Remove mode from comparison operator.
12024 Use new mips_output_conditional_branch interface.
12025 (branch_fp_inverted): Rename to...
12026 (*branch_fp_inverted): ...this and update as for *branch_fp.
12027 (*branch_zero<mode>): Rename to...
12028 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12029 Use mips_output_order_conditional_branch. Only accept ordered
12031 (*branch_zero<mode>_inverted): Rename to...
12032 (*branch_order<mode>_inverted): ...this and update as for
12033 *branch_order<mode>.
12034 (*branch_equality<mode>): Accept zero as the second operand to
12035 the equality operator. Use the new mips_output_conditional_branch
12037 (*branch_equality<mode>_inverted): Likewise.
12038 (condjump): New expander.
12039 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12041 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12042 (bc1any2t, bc1any2f): Likewise.
12043 (single_cc): New expander.
12044 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12046 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12048 * doc/md.texi: Update documentation of MIPS constraints.
12049 * config/mips/constraints.md: New file.
12050 * config/mips/mips.md: Include it.
12051 * config/mips/mips.c (mips_char_to_class): Delete.
12052 (override_options): Don't initialize mips_char_to_class.
12053 * config/mips/mips.h (mips_char_to_class): Delete.
12054 (REG_CLASS_FROM_LETTER): Delete.
12055 (CONST_OK_FOR_LETTER_P): Delete.
12056 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12057 (EXTRA_CONSTRAINT_Y): Delete.
12058 (EXTRA_CONSTRAINT_STR): Delete.
12059 (CONSTRAINT_LEN): Delete.
12060 (EXTRA_MEMORY_CONSTRAINT): Delete.
12062 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12064 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12065 original fn's eh regions.
12067 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12069 * fold-const.c (build_range_check): Make sure to use a valid type to
12070 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12073 (range_predecessor): New static function.
12074 (range_successor): Likewise.
12075 (merge_ranges): Use them to compute predecessors and successors of
12078 2006-03-09 Roger Sayle <roger@eyesopen.com>
12080 PR middle-end/26561
12081 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12082 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12084 2006-03-08 DJ Delorie <dj@redhat.com>
12086 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12087 (addpsi3): Expand to include memory operands. Remove
12088 reload-specific splits.
12089 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12090 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12091 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12092 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12093 (shift1_qi, shift1_hi, insv): New.
12094 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12095 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12096 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12098 * config/m32c/m32c-protos.h: Update as needed.
12099 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12100 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12101 Fail for unrecognized R* constraints.
12102 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12103 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12104 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12106 (m32c_init_libfuncs): New.
12107 (m32c_legitimate_address_p): Add debug wrapper.
12108 (m32c_rtx_costs): New.
12109 (m32c_address_cost): New.
12110 (conversions): Add 'B' prefix.
12111 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12112 operands, or word regnames for QI operands. 'B' prints bit
12114 (m32c_expand_setmemhi): New.
12115 (m32c_expand_movmemhi): New.
12116 (m32c_expand_movstr): New.
12117 (m32c_expand_cmpstr): New.
12118 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12119 (m32c_expand_neg_mulpsi3): Handle non-ints.
12120 (m32c_cmp_flg_0): New.
12121 (m32c_expand_movcc): New.
12122 (m32c_expand_insv): New.
12123 (m32c_scc_pattern): New.
12124 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12125 a0/a1 out of SIregs.
12126 (STORE_FLAG_VALUE): New.
12127 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12130 * config/m32c/mov.md: Make constraints more liberal.
12131 (zero_extendqihi2): Optimize r0/r1 case.
12132 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12133 * config/m32c/predicates.md (m32c_any_operand): New.
12134 (m32c_nonimmediate_operand): New.
12135 (m32c_hl_operand): New.
12136 (m32c_r3_operand): New.
12139 (memsym_operand): New.
12140 (memimmed_operand): New.
12141 (a_qi_operand): New.
12142 (m32c_eqne_operator): New.
12143 (m32c_1bit8_operand): New.
12144 (m32c_1bit16_operand): New.
12145 (m32c_1mask8_operand): New.
12146 (m32c_1mask16_operand): New.
12147 * config/m32c/blkmov.md: New file.
12148 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12150 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12152 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12153 unsigned to fix signed/unsigned comparison issue in
12154 DWARF2_FRAME_REG_OUT.
12155 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12156 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12158 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12159 of ptr into the ENABLE_CHECKING section.
12161 2006-03-08 Jeff Law <law@redhat.com>
12163 * tree-vrp.c (infer_value_range): Only count pointer uses
12164 and dereferences if -fdelete-null-pointer-checks is enabled.
12166 * tree-vrp.c (find_assert_locations): Infer value ranges for
12167 single use pointers, but do not create ASSERT_EXPRs for them.
12168 When a non-null range is inferred for a pointer, backwards
12169 propagate that range to other equivalent pointers through the
12172 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12175 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12176 language hook targets.
12177 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12178 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12179 if language hook targets were missing.
12181 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12183 * tree-ssa-opfinalize.h: Removed.
12184 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12186 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12187 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12188 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12189 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12190 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12191 finalize_ssa_v_must_def_ops): New.
12193 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12195 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12196 block as parameter.
12198 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12200 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12202 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12203 addresses with offsets; reorganize.
12205 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12206 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12207 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12209 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12212 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12214 2006-03-08 Ben Elliston <bje@au.ibm.com>
12216 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12218 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12221 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12224 2006-03-07 Richard Guenther <rguenther@suse.de>
12226 PR tree-optimization/26587
12227 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12229 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12231 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12233 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12235 * hooks.c (hook_bool_mode_rtx_true): New function.
12236 * hooks.h (hook_bool_mode_rtx_true): Declare.
12237 * toplev.c (compile_file): Call output_shared_constant_pool.
12238 * varasm.c (shared_constant_pool): New variable.
12239 (assemble_start_function, assemble_end_function): Remove arguments
12240 from call to output_constant_pool.
12241 (create_constant_pool): New function, split out from...
12242 (init_varasm_status): ...here.
12243 (force_const_mem): Choose between the shared and per-function constant
12244 pools. Set current_function_uses_const_pool when reusing old entries
12245 as well as when creating new ones.
12246 (mark_constant): Ignore data argument.
12247 (mark_constants): Remove pool argument.
12248 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12249 to decide whether the function uses a constant pool.
12250 (output_constant_pool_contents): New function, split out from...
12251 (output_constant_pool): ...here.
12252 (output_shared_constant_pool): New function.
12253 (init_varasm_once): Initialize shared_constant_pool.
12254 * output.h (output_constant_pool): Delete.
12255 (output_shared_constant_pool): Declare.
12256 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12257 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12259 2006-03-06 Nick Clifton <nickc@redhat.com>
12261 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12262 flag_strength_reduce.
12264 2006-03-06 Ben Elliston <bje@au.ibm.com>
12266 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
12267 x86_64-*-linux* configurations.
12269 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
12270 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
12272 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12274 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
12276 * basic-block.h: Remove the extern for
12277 rediscover_loops_after_threading.
12279 * cfgloop.c (cancel_loop): Make it static.
12280 * cfgloop.h: Remove the prototype for cancel_loop.
12282 * flow.c (recompute_reg_usage): Make it static.
12283 * rtl.h: Remove the prototype for recompute_reg_usage.
12285 * function.c (use_return_register): Make it static.
12286 * function.h: Remove the prototype.
12288 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12290 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
12292 * recog.h: Remove the prototype for
12293 validate_change_maybe_volatile.
12295 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12297 * rtlanal.c (replace_reg): Remove.
12298 * rtl.h: Remove the prototype for replace_reg.
12300 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
12302 * regclass.c (reg_scan_update): Remove.
12303 (reg_scan_mark_refs): Remove the last argument.
12304 * rtl.h: Remove the prototype for reg_scan_update.
12306 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12308 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
12309 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
12310 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12311 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
12312 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
12313 loop-invariant.c, omp-low.c, opts.c, passes.c,
12314 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
12315 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
12316 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12317 tree-ssa-threadupdate.c, tree-vect-patterns.c,
12318 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
12319 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
12321 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12323 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
12324 * dwarf2out.h: Remove the prototype for
12325 dwarf2out_add_library_unit_info.
12327 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12329 * tree.c (add_var_to_bind_expr): Remove.
12330 * tree.h: Remove the prototype for add_var_to_bind_expr.
12332 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12334 * regclass.c (n_non_fixed_regs): Remove.
12335 (init_reg_sets_1, globalize_reg): Remove all uses of
12337 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
12339 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12341 * rtlanal.c (insns_safe_to_move_p): Remove.
12342 * rtl.h: Remove the prototype for insns_safe_to_move_p.
12344 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
12346 * expmed.c (expand_mult_add): Remove.
12347 * expr.h: Remove the prototype for expand_mult_add.
12349 2006-03-04 Jakub Jelinek <jakub@redhat.com>
12351 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
12352 and REG_SAVED_VAL_EXP constants.
12353 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
12354 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12355 Handle regs stored by value.
12356 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
12357 (execute_cfa_program): Handle DW_CFA_val_offset,
12358 DW_CFA_val_offset_sf and DW_CFA_val_expression.
12359 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
12360 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
12361 (uw_install_context_1): Handle target regs stored by value.
12363 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
12365 * tree-sra.c (tree_sra): Return todoflags;
12366 (generate_one_element): Set TODO_update_smt_usage if needed.
12367 (pass_sra): Remove TODO_update_smt_usage.
12368 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
12370 (tree_ssa_forward_propagate_single_use_vars): Return
12371 TODO_update_smt_usage if we need to update SMT usage.
12372 (pass_forwprop): Remove TODO_update_smt_usage.
12374 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12376 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12377 (correct_use_link): Remove reference to get_stmt_operands.
12378 (update_stmt_operands): Likewise.
12379 (get_modify_expr_operands): New function factored out of
12380 parse_ssa_operands and get_expr_operands.
12381 Try to create V_MUST_DEFs for LHS by default.
12382 (get_expr_operands) <case MODIFY_EXPR>: Call
12383 get_modify_expr_operands.
12384 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12385 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12386 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12387 get_modify_expr_operands.
12389 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12391 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12392 * tree-flow.h: Remove the prototype for
12393 referenced_var_lookup_if_exists.
12395 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12397 PR rtl-optimization/26345
12399 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12401 2006-03-03 Roger Sayle <roger@eyesopen.com>
12403 PR tree-optimization/26524
12404 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12405 fold_convert to create a constant of the appropriate type.
12407 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12409 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12410 SYMBOL_REF_IN_BLOCK_P.
12411 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12412 of SYMBOL_FLAG_IN_BLOCK.
12413 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12414 instead of SYMBOL_REF_IN_BLOCK_P.
12415 * explow.c (use_anchored_address): Likewise.
12416 * rtl.c (rtx_size): Likewise.
12417 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12418 instead of SYMBOL_FLAG_IN_BLOCK.
12419 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12420 SYMBOL_REF_IN_BLOCK_P.
12421 (assemble_variable): Likewise.
12422 (output_constant_def_contents): Likewise.
12423 (output_constant_pool): Likewise.
12424 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12425 instead of SYMBOL_FLAG_IN_BLOCK.
12426 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12427 SYMBOL_REF_IN_BLOCK_P.
12428 (SYMBOL_REF_BLOCK): Likewise.
12429 (SYMBOL_REF_OFFSET): Likewise.
12430 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12431 SYMBOL_REF_IN_BLOCK_P.
12432 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12433 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12434 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12435 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12437 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12439 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12441 2006-03-02 Roger Sayle <roger@eyesopen.com>
12443 * simplify-rtx.c (simplify_unary_operation): When simplifying
12444 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12445 that we perform the right shift in the appropriate mode, and
12446 then extend or truncate the result to requested mode.
12448 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12450 * gengtype.c (main): Handle double_int type.
12451 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12452 * double-int.c: New file.
12453 * double-int.h: New file.
12454 * system.h: Include doubleint.h.
12455 * Makefile.in (SYSTEM_H): Include double-int.h.
12456 (double-int.o): Add.
12458 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12461 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12464 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12466 * tree-vrp.c (remove_range_assertions): Do not update statements
12469 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12471 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12473 * gcse.c (rest_of_handle_gcse): Ditto.
12474 * except.c (gate_handle_eh): Ditto.
12475 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12476 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12478 2006-03-02 Eric Christopher <echristo@apple.com>
12480 * config/i386/i386.c (machopic_output_stub): Add indirection to
12483 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12487 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12489 Sun Niagara specific optimizations.
12490 * config.gcc: Recognize niagara as target.
12491 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12492 (TARGET_CPU_niagara): Define.
12493 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12494 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12495 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12496 (ASM_CPU_SPEC): Likewise.
12497 (PROCESSOR_NIAGARA): New enum entry.
12498 (REGISTER_MOVE_COST): Handle Niagara.
12499 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12500 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12501 (sparc_override_options): Recognize "niagara", set appropriate
12502 default MASK_* values for it, and align functions to 32-bytes
12503 by default just like ULTRASPARC/ULTRASPARC3.
12504 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12505 (sparc64_initialize_trampoline): Likewise.
12506 (sparc_use_sched_lookahead): Use zero for niagara.
12507 (sparc_issue_rate): Use one for niagara.
12508 * config/sparc/niagara.md: New file.
12509 * config/sparc/sparc.md: Include it.
12510 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12511 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12512 when default cpu is niagara.
12513 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12514 (ASM_CPU_SPEC): Likewise.
12515 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12516 when default cpu is niagara.
12517 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12518 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12519 just like v9/ultrasparc/ultrasparc3.
12520 * doc/invoke.texi: Add documentation for "niagara" and improve
12521 existing documentation for ultrasparc variants.
12523 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12525 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12527 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12529 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12530 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12531 and say that only one is needed.
12532 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12533 * target.h (have_switchable_bss_sections): New hook.
12534 * explow.c (use_anchored_address): Check that the symbol is in a block.
12535 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12536 (bss_noswitch_section): New variables.
12537 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12538 (get_noswitch_section): New function.
12539 (get_block_for_section): Allow SECT to be null.
12540 (unlikely_text_section_p): Use SECTION_STYLE.
12541 (bss_initializer_p): New function.
12542 (get_variable_section): Move earlier in file. Take a new argument,
12543 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12544 Return one of the new *_sections in such cases.
12545 (get_block_for_decl): New function, extracting some logic from
12546 use_blocks_for_decl_p.
12547 (change_symbol_section): Remove in favor of...
12548 (change_symbol_block): ...this new function.
12549 (use_blocks_for_decl_p): Remove checks now performed by
12550 get_block_for_decl.
12551 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12552 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12553 (emit_local, emit_bss, emit_common): ...these new functions.
12554 Return true if the alignment was honored.
12555 (emit_tls_common): New function.
12556 (asm_emit_uninitialised): Delete.
12557 (assemble_variable_noswitch): New function, split out from...
12558 (assemble_variable): ...here. Don't make decisions about common
12559 variables here. Globalize all public decls that go into non-common
12560 sections. Check whether SYMBOL_REF_BLOCK is null.
12561 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12562 (output_constant_pool): Likewise.
12563 (init_varasm_once): Initialize the new section variables.
12564 (have_global_bss_p): New function.
12565 (categorize_decl_for_section): Use bss_initializer_p.
12566 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12567 (place_block_symbol): Assert that the symbol must be in a block.
12568 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12569 (TARGET_INITIALIZER): Include it.
12570 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12571 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12572 (SECTION_MACH_DEP): Bump by two.
12573 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12574 (unnamed_section): Mention SECTION_UNNAMED in comment.
12575 (named_section): Likewise SECTION_NAMED.
12576 (noswitch_section_callback): New type.
12577 (noswitch_section): New structure.
12578 (section): Add a noswitch_section alternative.
12579 (SECTION_STYLE): New macro.
12580 (tls_comm_section, comm_section, lcomm_section): Declare.
12581 (bss_noswitch_section, have_global_bss_p): Declare.
12582 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12583 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12585 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12586 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12589 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12591 * tree-vrp.c (execute_vrp): Return value.
12592 * regrename.c (rest_of_handle_regrename): Ditto.
12593 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12594 * tree-complex.c (tree_lower_complex): Ditto.
12595 (tree_lower_complex_O0): Ditto.
12596 * tracer.c (rest_of_handle_tracer): Ditto.
12597 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12598 * postreload.c (rest_of_handle_postreload): Ditto.
12599 * tree-tailcall.c (execute_tail_recursion): Ditto.
12600 (execute_tail_calls): Ditto.
12601 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12602 * tree.h (init_function_for_compilation): Ditto.
12603 * ipa-cp.c (ipcp_driver): Ditto.
12604 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12605 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12606 * final.c (compute_alignments): Ditto.
12607 (rest_of_handle_final): Ditto.
12608 (rest_of_handle_shorten_branches): Ditto.
12609 (rest_of_clean_state): Ditto.
12610 * omp-low.c (execute_expand_omp): Ditto.
12611 (execute_lower_omp): Ditto.
12612 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12613 * ipa-reference.c (static_execute): Ditto.
12614 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12615 * reorg.c (rest_of_handle_delay_slots): Ditto.
12616 (rest_of_handle_machine_reorg): Ditto.
12617 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12618 * flow.c (recompute_reg_usage): Ditto.
12619 (rest_of_handle_remove_death_notes): Ditto.
12620 (rest_of_handle_life): Ditto.
12621 (rest_of_handle_flow2): Ditto.
12622 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12623 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12624 (do_ssa_store_ccp): Ditto.
12625 (execute_fold_all_builtins): Ditto.
12626 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12627 * modulo-sched.c (rest_of_handle_sms): Ditto.
12628 * ipa-pure-const.c (static_execute): Ditto.
12629 * cse.c (rest_of_handle_cse): Ditto.
12630 (rest_of_handle_cse2): Ditto.
12631 * web.c (rest_of_handle_web): Ditto.
12632 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12633 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12634 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12635 * tree-nrv.c (tree_nrv): Ditto.
12636 (execute_return_slot_opt): Ditto.
12637 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12638 (create_structure_vars): Ditto.
12639 * loop-init.c (rtl_loop_init): Ditto.
12640 (rtl_loop_done): Ditto.
12641 (rtl_move_loop_invariants): Ditto.
12642 (rtl_unswitch): Ditto.
12643 (rtl_unroll_and_peel_loops): Ditto.
12644 (rtl_doloop): Ditto.
12645 * gimple-low.c (lower_function_body): Ditto.
12646 (mark_used_blocks): Ditto.
12647 * tree-ssa-sink.c (execute_sink_code): Ditto.
12648 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12649 (cgraph_early_inlining): Ditto.
12650 * global.c (rest_of_handle_global_alloc): Ditto.
12651 * jump.c (cleanup_barriers): Ditto.
12652 (purge_line_number_notes): Ditto.
12653 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12654 (rest_of_handle_if_after_reload): Ditto.
12655 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12656 (tree_ssa_loop_im): Ditto.
12657 (tree_ssa_loop_unswitch): Ditto.
12658 (tree_vectorize): Ditto.
12659 (tree_linear_transform): Ditto.
12660 (tree_ssa_loop_ivcanon): Ditto.
12661 (tree_ssa_empty_loop): Ditto.
12662 (tree_ssa_loop_bounds): Ditto.
12663 (tree_complete_unroll): Ditto.
12664 (tree_ssa_loop_prefetch): Ditto.
12665 (tree_ssa_loop_ivopts): Ditto.
12666 (tree_ssa_loop_done): Ditto.
12667 * predict.c (tree_estimate_probability): Ditto.
12668 * recog.c (split_all_insns_noflow): Ditto.
12669 (rest_of_handle_peephole2): Ditto.
12670 (rest_of_handle_split_all_insns): Ditto.
12671 * tree-eh.c (lower_eh_constructs): Ditto.
12672 * regmove.c (rest_of_handle_regmove): Ditto.
12673 (rest_of_handle_stack_adjustments): Ditto.
12674 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12675 * function.c (instantiate_virtual_regs): Ditto.
12676 (init_function_for_compilation): Ditto.
12677 (rest_of_handle_check_leaf_regs): Ditto.
12678 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12679 (rest_of_handle_gcse): Ditto.
12680 * ipa-type-escape.c (type_escape_execute): Ditto.
12681 * alias.c (rest_of_handle_cfg): Ditto.
12682 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12683 * profile.c (rest_of_handle_branch_prob): Ditto.
12684 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12685 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12686 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12687 * tree-dfa.c (find_referenced_vars): Ditto.
12688 * except.c (set_nothrow_function_flags): Ditto.
12689 (convert_to_eh_region_ranges): Ditto.
12690 (rest_of_handle_eh): Ditto.
12691 * emit-rtl.c (unshare_all_rtl): Ditto.
12692 (remove_unnecessary_notes): Ditto.
12693 * except.h (set_nothrow_function_flags): Ditto.
12694 (convert_to_eh_region_ranges): Ditto.
12695 * cfgexpand.c (tree_expand_cfg): Ditto.
12696 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12697 * tree-ssa-pre.c (do_pre): Ditto.
12698 (execute_fre): Ditto.
12699 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12700 (rest_of_handle_jump2): Ditto.
12701 * tree-sra.c (tree_sra): Ditto.
12702 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12703 (execute_mudflap_function_decls): Ditto.
12704 * tree-ssa-copy.c (do_copy_prop): Ditto.
12705 (do_store_copy_prop): Ditto.
12706 * ipa-prop.h (ipcp_driver): Ditto.
12707 * cfglayout.c (insn_locators_initialize): Ditto.
12708 * tree-ssa-forwprop.c
12709 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12710 * cfglayout.h (insn_locators_initialize): Ditto.
12711 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12712 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12713 (execute_late_warn_uninitialized): Ditto.
12714 * rtl.h (cleanup_barriers): Ditto.
12715 (split_all_insns_noflow): Ditto.
12716 (purge_line_number_notes): Ditto.
12717 (unshare_all_rtl): Ditto.
12718 (remove_unnecessary_notes): Ditto.
12719 (recompute_reg_usage): Ditto.
12720 (variable_tracking_main): Ditto.
12721 * integrate.c (emit_initial_value_sets): Ditto.
12722 * integrate.h (emit_initial_value_sets): Ditto.
12723 * tree-optimize.c (execute_free_datastructures): Ditto
12724 (execute_free_cfg_annotations): Ditto.
12725 (execute_fixup_cfg): Ditto.
12726 (execute_cleanup_cfg_pre_ipa): Ditto.
12727 (execute_cleanup_cfg_post_optimizing): Ditto.
12728 (execute_init_datastructures): Ditto.
12729 * tree-object-size.c (compute_object_sizes): Ditto.
12730 * combine.c (rest_of_handle_combine): Ditto.
12731 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12732 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12733 (rest_of_handle_reorder_blocks): Ditto.
12734 (rest_of_handle_partition_blocks): Ditto.
12735 * var-tracking.c (variable_tracking_main): Ditto.
12736 * tree-profile.c (tree_profiling): Ditto.
12737 * tree-vect-generic.c (expand_vector_operations): Ditto.
12738 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12739 * sched-rgn.c (rest_of_handle_sched): Ditto.
12740 (rest_of_handle_sched2): Ditto.
12741 * basic-block.h (free_bb_insn): Ditto.
12742 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12743 * tree-cfg.c (execute_build_cfg): Ditto.
12744 (remove_useless_stmts): Ditto.
12745 (split_critical_edges): Ditto.
12746 (execute_warn_function_return): Ditto.
12747 (execute_warn_function_noreturn): Ditto.
12748 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12749 * cfgrtl.c (free_bb_for_insn): Ditto.
12750 * passes.c (execute_one_pass): Run additional
12751 todos returned by execute function.
12752 * tree-pass.h (struct tree_opt_pass): Make execute
12755 2006-03-02 Richard Guenther <rguenther@suse.de>
12757 * tree-ssa-alias.c (find_used_portions): Consider taking
12758 the address as making the variable not write-only.
12760 2006-03-02 Nick Clifton <nickc@redhat.com>
12762 * config.gcc (default_use_cxa_atexit): Extend the description of
12763 this configure variable. Set its default value to "yes" for
12764 Linux, NetBSD and ELF targets on the assumption that they will
12765 use C libraries with the __cxa_atexit function.
12767 2006-03-02 Ben Elliston <bje@au.ibm.com>
12769 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12770 parameter as unused to suppress a build warning.
12772 2006-03-02 Ben Elliston <bje@au.ibm.com>
12774 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12777 2006-03-01 Roger Sayle <roger@eyesopen.com>
12780 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12781 declared name, the weak reference name, and the typeof name.
12782 (__gthrw): Avoid expanding the declared name suffix.
12783 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12785 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12787 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12789 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12790 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12791 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12792 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12793 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12794 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12795 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12796 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12797 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12798 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12799 (DW_END_default, DW_END_big, DW_END_little): New.
12800 (DW_END_lo_user, DW_END_hi_user): Define.
12801 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12802 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12803 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12806 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12808 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12810 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12812 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12814 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12816 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12817 to 'symbol_mem_tag'.
12819 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12822 2006-03-01 Roger Sayle <roger@eyesopen.com>
12824 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12826 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12829 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12830 MACHO_DYNAMIC_NO_PIC_P.
12831 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12833 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12836 * config/darwin-protos.h (darwin_asm_output_anchor):
12838 * config/darwin-sections.def (cstring_section):
12839 Add SECTION_MERGE to the flags.
12840 (literal4_section): Likewise.
12841 (literal8_section): Likewise.
12842 (objc_selector_refs_section): Likewise.
12843 (objc_cls_refs_section): Likewise.
12844 * config/darwin.c (darwin_asm_output_anchor): New
12846 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12848 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12850 Fix PR tree-optimization/26443
12851 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12852 to todo and PROP_tmt_usage to properties_destroyed.
12853 * tree-ssa-ccp.c (pass_ccp): Ditto.
12854 (pass_store_ccp): Ditto.
12855 * tree-ssa-dom.c (pass_dominator): Ditto.
12857 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12859 * tree-ssa-operands.c: Cleanup whitespace.
12860 (get_asm_expr_operands): Move before first invocation.
12861 (get_indirect_ref_operands): Likewise.
12862 (get_tmr_operands): Likewise.
12863 (get_call_expr_operands): Likewise.
12864 (append_def): Likewise.
12865 (append_use): Likewise.
12866 (append_v_may_def): Likewise.
12867 (append_v_must_def): Likewise.
12868 (add_call_clobber_ops): Likewise.
12869 (add_call_read_ops): Likewise.
12870 (add_stmt_operand): Likewise.
12871 (add_virtual_operand): Likewise.
12872 (build_ssa_operands): Likewise.
12874 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12876 PR middle-end/26022
12878 PR middle-end/24437
12879 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12880 with a call expr to ...
12881 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12883 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12885 * tree-vrp.c (extract_range_from_assert): Remove special
12886 handling for types with super-types.
12888 2006-03-01 Ben Elliston <bje@au.ibm.com>
12890 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12891 and powerpc64-*-linux* configurations.
12892 * config/t-dfprules: New file.
12894 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12895 Compile dfp-bit.c from the source directory using -DWIDTH and
12896 $DFP_CFLAGS to control the compilation of that file, rather than
12897 generating width-specific versions in the build directory.
12898 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12899 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12901 2006-02-28 Zack Weinberg <zackw@panix.com>
12903 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12906 2006-02-28 Eric Christopher <echristo@apple.com>
12908 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12909 Set up IN_LIBGCC definition of TARGET_64BIT.
12910 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12912 2006-02-28 Roger Sayle <roger@eyesopen.com>
12914 PR middle-end/14752
12915 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12916 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12917 cases via the construction of "expr != 0".
12919 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12921 * alias.c (alias_invariant, alias_invariant_size): Remove.
12922 (record_base_value): Remove.
12923 (memrefs_conflict_p): Don't look at alias_invariant.
12924 (end_alias_analysis): Don't free it.
12925 * alias.h (record_base_value): Remove prototype.
12927 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12928 Adam Nemet <anemet@caviumnetworks.com>
12930 * rtl.h (truncated_to_mode): Declare it.
12931 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12932 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12933 (RTL_HOOKS_INITIALIZER): Include it.
12934 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12935 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12936 reg_truncated_to_mode.
12937 * rtlanal.c (truncated_to_mode): Define it.
12938 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12940 2006-02-28 Jeff Law <law@redhat.com>
12942 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12943 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12944 the range allowed by TYPE_PRECISION.
12946 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12948 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12950 PR tree-optimization/26419
12951 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12954 2006-02-27 Zack Weinberg <zackw@panix.com>
12956 * doc/md.texi: Fix typo in previous change.
12958 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12962 2006-02-27 Zack Weinberg <zackw@panix.com>
12964 * rtl.def (define_constraint, define_register_constraint)
12965 (define_memory_constraint, define_address_constraint): New MD forms.
12966 * gensupport.c (process_rtx): Put define_constraint etc on the
12968 * genpreds.c (process_define_predicate): Adjust comment. Validate
12969 the name, and call validate_exp to validate the expression.
12970 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12971 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12972 all callers changed.
12973 (validate_exp, needs_variable, struct constraint_data)
12974 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12975 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12976 (const_dbl_constraints, constraint_max_namelen)
12977 (have_register_constraints, have_memory_constraints)
12978 (have_address_constraints, have_address_constraints)
12979 (have_extra_constraints, have_const_int_constraints)
12980 (have_const_dbl_constraints, mangle, add_constraint)
12981 (process_define_constraint, process_define_register_constraint)
12982 (write_enum_constraint_num, write_lookup_constraint)
12983 (write_insn_constraint_len, write_regclass_for_constraint)
12984 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12985 (write_insn_extra_memory_constraint)
12986 (write_insn_extra_address_constraint)
12987 (write_satisfies_constraint_fns): New.
12988 (write_tm_preds_h): If we have new-style constraint definitions,
12989 prototype the functions generated from them, and define the
12990 old constraint interface (still used by generic code) in terms of
12992 (write_insn_preds_c): If we have new-style constraint definitions,
12993 generate all relevant functions from those definitions.
12994 (main): Handle define_constraint etc.
12995 * genoutput.c (struct constraint_data, indep_constraints)
12996 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12997 (mdep_constraint_len): New data structures and functions, defined
12998 #ifdef USE_MD_CONSTRAINTS.
12999 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13000 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13001 use new logic to validate operand constraints against constraint
13003 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13005 * defaults.h: If none of the old-style constraint macros are
13006 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13007 old-style macros; and poison REG_CLASS_FROM_LETTER,
13008 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13010 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13011 * doc/md.texi: Document new constraint-definition mechanism and the
13012 C interface it provides. Remove references to old mechanism
13013 elsewhere in the document.
13014 (Machine Constraints): Use pathnames relative to gcc directory,
13015 i.e. config/ARCH/FILE. Change i386 section to refer to
13016 config/i386/predicates.md; update that section to match docstrings.
13017 * doc/tm.texi: Move all documentation of the old constraint-
13018 definition macros to their own section, clearly mark as obsolete.
13020 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13021 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13023 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13024 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13025 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13026 constraint strings.
13027 (splits and peepholes): Use satisfies_constraint_*.
13028 * config/i386/i386.c (memory_address_length)
13029 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13031 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13033 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13034 scalar operation to be put back into the loop.
13036 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13039 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13040 (extract_cie_info): Handle S flag in augmentation string.
13041 (execute_cfa_program): If context->signal_frame, execute also
13042 fs->pc == context->ra instructions.
13043 (uw_frame_state_for): If context->signal_frame, don't subtract one
13044 from context->ra to find FDE.
13045 (uw_update_context_1): Set context->signal_frame to
13047 (_Unwind_GetIPInfo): New function.
13048 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13049 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13051 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13052 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13053 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13054 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13055 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13056 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13057 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13058 x86_64_fallback_frame_state): Set fs->signal_frame.
13059 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13060 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13061 (frob_update_context): Likewise. Workaround missing S flag in
13062 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13063 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13064 Remove the psw_addr + 1 hack.
13066 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13068 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13069 with aggregates here.
13070 (find_func_aliases): Remove code for &<aggregate> from here.
13072 2006-02-26 Roger Sayle <roger@eyesopen.com>
13074 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13075 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13076 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13077 as (X & C) ne/eq 0.
13079 2006-02-26 Roger Sayle <roger@eyesopen.com>
13081 PR middle-end/19983
13082 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13084 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13086 * opts.c (decode_options): Do not handle flag_strength_reduce.
13087 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13088 and OPT_fstrength_reduce.
13089 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13090 flag_prefetch_loop_arrays for being nonzero.
13091 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13093 (fprefetch-loop-arrays-rtl): Removed.
13094 (flag_prefetch_loop_arrays): Do not specify the value.
13096 * doc/passes.texi: Update documentation of loop optimizer
13098 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13099 -frerun-loop-opt): Remove.
13101 2006-02-26 Richard Guenther <rguenther@suse.de>
13103 PR tree-optimization/26421
13104 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13105 in function calls that are ADDR_EXPRs as using the whole structure.
13107 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13109 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13110 * tree-pass.h (pass_loop_optimize): Remove.
13111 * passes.c (pass_loop_optimize): Never run it.
13112 * toplev.c (backend_init): Don't call init_loop.
13113 * opts.c (flag_loop_optimize_set): Remove.
13114 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13115 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13116 the old RTL loop optimizer when profiling enabled.
13117 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13118 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13119 pre-headers for the sake of the old RTL loop optimizer.
13120 * Makefile.in: Remove all references to loop.o.
13122 * doc/invoke.texi: Remove all references to -floop-optimize
13123 and -frerun-loop-opt.
13125 2006-02-26 Zack Weinberg <zackw@panix.com>
13127 * doc/md.texi (Machine Constraints): Refer to all files with paths
13128 relative to gcc directory (i.e. config/CPU/file). Add missing
13129 @table @code ... @end table to M32C subsection.
13131 2006-02-26 Roger Sayle <roger@eyesopen.com>
13133 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13135 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13137 2006-02-26 Roger Sayle <roger@eyesopen.com>
13138 James A. Morrison <phython@gcc.gnu.org>
13140 PR middle-end/21137
13141 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13142 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13143 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13144 signedness of the shift operation.
13146 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13148 PR tree-optimization/26359
13149 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13151 2006-02-25 Roger Sayle <roger@eyesopen.com>
13153 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13154 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13155 as X == 0, and some symmetry related transformations.
13156 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13158 2006-02-25 Roger Sayle <roger@eyesopen.com>
13160 PR middle-end/23673
13161 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13162 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13163 symmetry related transformations. Fold (X^C1) == C2 as
13166 2006-02-25 Juergen Weigert <jw@suse.de>
13167 Richard Guenther <rguenther@suse.de>
13169 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13171 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13173 * combine.c (gen_lowpart_or_truncate): Call
13174 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13176 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13178 * doc/invoke.texi: Move -fopenmp description to "Options for
13180 Remove reference to -lgomp.
13182 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13184 * doc/install.texi: Require GNU tar version 1.14.
13186 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13188 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13189 * doc/invoke.texi (C++ Dialect Options): Document
13190 -fno-use-cxa-get-exception-ptr.
13191 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13192 * configure: Regenerate.
13193 * c.opt (fuse-cxa-get-exception-ptr): New.
13194 * c-opts.c (c_common_handle_option): Handle
13195 OPT_fuse_cxa_get_exception_ptr.
13196 * c-common.c (flag_use_cxa_atexit): Update documentation.
13197 (flag_use_cxa_get_exception_ptr): New.
13198 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13199 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13201 (C_COMMON_OVERRIDE_OPTIONS): New.
13203 2006-02-24 Roger Sayle <roger@eyesopen.com>
13205 PR middle-end/24952
13206 * combine.c (try_combine): Explicitly check whether GET_CODE is
13207 a SET or a CLOBBER, instead on checking that it isn't a USE.
13209 2006-02-24 Roger Sayle <roger@eyesopen.com>
13211 * fold-const.c (fold_comparison): New subroutine of fold_binary
13212 containing transformations common to both the equality and
13213 ordering relational operators, factored out of fold_binary.
13214 (fold_binary): Separate out the equality operators (EQ_EXPR
13215 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13216 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13217 transformations common to both.
13218 (fold_div_compare): Fix latent bugs in the previously unreachable
13219 LT_EXPR and GE_EXPR cases.
13221 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13223 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13224 decl libname for clog to __clog on AIX.
13226 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13228 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13231 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13232 output traceback table for thunks. Localise rs6000_stack_info call.
13234 2006-02-23 Roger Sayle <roger@eyesopen.com>
13235 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13237 * gthr-posix.h (__gthrw): Fix typo in comment.
13239 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13241 * doc/cpp.texi (Character sets): Document that we do support
13242 input files to be in any character set.
13244 2006-02-23 Jeff Law <law@redhat.com>
13246 * tree.h (PHI_ARG_NONZERO): Remove.
13247 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13248 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13249 node to the new node.
13251 PR tree-optimization/26425
13252 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13253 min/max, then assume its varying.
13255 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13257 PR rtl-optimization/26316
13258 * rtlanal.c (enum may_trap_p_flags): New.
13259 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13260 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13261 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13262 (may_trap_after_code_motion_p): New function.
13263 * loop-invariant.c (find_identical_invariants): Fix dump formating.
13264 (find_invariant_insn): Use may_trap_after_code_motion_p.
13265 * rtl.h (may_trap_after_code_motion_p): Declare.
13267 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13269 * emit-rtl.c (immed_double_const): Cleanup.
13271 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
13273 Fix PR tree-optimization/26376
13274 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
13277 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13279 PR middle-end/26412
13280 * gimplify.c (omp_add_variable): Guard variable size decl test with
13281 DECL_SIZE (decl) check.
13283 2006-02-23 Richard Guenther <rguenther@suse.de>
13285 PR middle-end/26439
13286 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
13287 like aggregate types.
13289 2006-02-23 Jakub Jelinek <jakub@redhat.com>
13291 * configure.ac: Add --with{,out}-long-double-128 configure option.
13292 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
13293 * configure: Rebuilt.
13294 * config.in: Rebuilt.
13295 * doc/install.texi (Options specification): Document
13296 --with-long-double-128.
13298 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13299 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13300 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
13301 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
13303 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
13305 * config/s390/s390.c (override_options): Handle
13306 TARGET_DEFAULT_LONG_DOUBLE_128.
13308 * config/alpha/alpha.c (override_options): Handle
13309 TARGET_DEFAULT_LONG_DOUBLE_128.
13311 * config/sparc/sparc.c (sparc_override_options): Handle
13312 TARGET_DEFAULT_LONG_DOUBLE_128.
13314 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
13316 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
13317 (real-install-headers-tar, real-install-headers-cpio)
13318 (real-install-headers-cp): New targets.
13320 2006-02-22 Richard Sandiford <richard@codesourcery.com>
13322 * tree.h (variable_section): Delete.
13323 * varasm.c (variable_section): Delete.
13325 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
13327 * install.texi: Add notes on install.texi2html.
13328 (Building in parallel): Do not use footnotes.
13330 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
13333 * doc/install.texi (Configuration): Document --disable-libgomp.
13335 2006-02-21 Geoffrey Keating <geoffk@apple.com>
13337 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
13339 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13341 * config/i386/sse.md (vec_extractv2df_1_sse): New.
13342 (vec_extractv2df_0_sse): New.
13344 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
13346 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
13347 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
13348 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
13349 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
13350 to the result of the expression.
13351 (def_cfa_1): Adjust.
13352 (frame_pointer_cfa_offset): Rename to...
13353 (frame_pointer_fb_offset): ... this. Adjust all uses.
13354 (convert_cfa_to_loc_list): Rename to...
13355 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
13356 Pass it on to build_cfa_loc.
13357 (compute_frame_pointer_to_cfa_displacement): Rename to...
13358 (compute_frame_pointer_to_fb_displacement): ... this. New
13359 offset parameter. Use it in computation.
13360 (gen_subprogram_die): Compute cfa_fb_offset with the new
13361 macro, and use it to compute the fb loc list and the
13364 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
13366 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
13367 replaced with register_operand.
13368 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
13369 non-DREG is expensive.
13370 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
13371 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13374 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13376 * doc/install.texi2html: Use set -e.
13378 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13380 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13381 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13382 * doc/invoke.texi (-fshared-data): Delete.
13383 * common.opt (fshared-data): Delete.
13384 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13385 (assemble_static_space): Remove #if 0 code.
13386 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13387 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13388 * config/cris/cris.h: Remove FIXME.
13390 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13392 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13395 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13397 PR middle-end/26379
13398 * combine.c (simplify_shift_const_1): Disable nested shifts
13399 optimization for vector shifts.
13401 2006-02-20 Roger Sayle <roger@eyesopen.com>
13403 PR tree-optimization/26361
13404 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13405 of unsigned integer types.
13407 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13409 * tree-chrec.c (eq_evolutions_p): New.
13410 * tree-chrec.h (eq_evolutions_p): Declared.
13411 * tree-data-ref.c: Fix formatting.
13412 (datadep_stats, dependence_stats): New.
13414 (print_direction_vector): New.
13415 (dump_data_dependence_relation): Use print_direction_vector.
13416 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13417 (compute_subscript_distance): Static.
13418 (initialize_data_dependence_relation): Static. Get the number
13419 of loops surrounding the references from the callers, and initialize
13420 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13421 base_object_differ_p analyzers.
13422 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13423 compute_overlap_steps_for_affine_1_2,
13424 analyze_subscript_affine_affine): Count the classified dependences.
13425 Print a message when a test failed.
13426 (can_use_analyze_subscript_affine_affine): New.
13427 (analyze_siv_subscript): Compute the data dependences on symbolic
13428 scevs that verify can_use_analyze_subscript_affine_affine.
13429 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13430 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13431 Handle symbolic scevs.
13432 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13434 (subscript_dependence_tester): Moved...
13435 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13436 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13437 DDR_SIZE_VECT instead of getting it in parameter.
13438 (subscript_dependence_tester): ... here. Take as a parameter
13439 loop_nest_depth. Call build_classic_dist_vector and
13440 build_classic_dir_vector.
13441 (compute_affine_dependence): Update subscript_dependence_tester
13442 parameters. Update datadep_stats counters. Call
13443 compute_subscript_distance.
13444 (compute_self_dependence): Save the dist and dir vectors. Call
13445 compute_subscript_distance.
13446 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13447 (compute_all_dependences): Reorder parameters as they were before
13448 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13449 compute_subscript_distance. Update the use of
13450 compute_affine_dependence and initialize_data_dependence_relation.
13451 (find_data_references_in_loop): Handle COMPONENT_REF.
13452 (compute_data_dependences_for_loop): Initialize dependence_stats.
13453 Don't call build_classic_dist_vector and build_classic_dir_vector.
13454 Update the parameters of initialize_data_dependence_relation and
13455 compute_all_dependences. Print the statistics from datadep_stats.
13456 (analyze_all_data_dependences): Static. Not used until the pass for
13457 checking the data dependences is contributed.
13458 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13459 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13460 (initialize_data_dependence_relation, compute_affine_dependence,
13461 analyze_all_data_dependences, compute_subscript_distance): Removed.
13462 (print_direction_vector): New.
13463 * lambda.h (gcd): ... here.
13464 (lambda_vector_gcd): Moved here from gcd_vector.
13465 * lambda-code.c (gcd, gcd_vector): Removed.
13466 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13467 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13469 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13471 * ipa-type-escape.c: Tidy some comments and white space.
13472 * tree-ssa-operands.c: Likewise.
13474 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13477 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13478 (dump_decl_name): Do not walk the decl tree chains.
13479 * tree-pass.h (TDF_CHAIN): Remove.
13481 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13483 * Makefile.in (C): Remove
13485 (.PHONY): Remove C and PROTO
13487 2006-02-20 Roger Sayle <roger@eyesopen.com>
13489 PR middle-end/26236
13490 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13491 deprecated CHAR_TYPE tree code.
13493 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13495 * configure.ac (target_list): Add install-info, dvi, html.
13496 * configure: Regenerate.
13498 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13499 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13500 treelang/Make-lang.in: Do not use double-colon rules.
13502 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13504 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13505 (TMT_USED_ALONE): New macro.
13506 * tree-pass.h (PROP_tmt_usage): New property.
13507 (TODO_update_tmt_usage): New todo.
13508 * tree-ssa-alias.c (updating_used_alone): New variable.
13509 (recalculate_used_alone): New function.
13510 (compute_may_aliases): Set updating_used_alone, call
13511 recalculate_used_alone.
13512 * tree-sra.c (pass_sra): Note that this pass destroys
13513 PROP_tmt_usage, and add TODO_update_tmt_usage.
13514 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13515 * tree-flow.h (updating_used_alone): Prototype.
13516 (recalculate_used_alone): Ditto.
13517 * passes.c (execute_todo): Add code to set updating_used_alone,
13518 and call recalculate.
13519 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13520 for clobber if used alone, and add assert to verify used_alone
13523 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13525 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13526 for non tls symbols added.
13527 (legitimize_address): Do nothing for PLUS expressions if one of the
13528 addends is a tls symbol reference.
13530 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13534 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13536 * Makefile.in (BOOTSTRAPPING): New.
13537 (quickstrap): New definition if BOOTSTRAPPING=yes.
13539 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13540 * configure.ac: Substitute all_selected_languages with the languages
13541 that were configured. For all the other variables except
13542 lang_specs_files, include all the languages in the tree.
13543 * configure: Regenerate.
13545 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13546 if there is one. Run the commands to run fixincludes in the same
13549 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13550 * doc/install.texi: Document exact conventions for searching target tools.
13551 Document --with-build-time-tools. Document toplevel bootstrap. Document
13552 something more about building an Ada cross-compiler. Don't list GNU Make
13553 requirements which affect all platforms.
13555 2006-02-19 Roger Sayle <roger@eyesopen.com>
13557 PR middle-end/19543
13558 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13559 only equivalent if the have both the same mode and precision.
13561 2006-02-20 Ben Elliston <bje@au.ibm.com>
13563 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13565 2006-02-19 Roger Sayle <roger@eyesopen.com>
13566 Steven Bosscher <stevenb.gcc@gmail.com>
13568 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13569 constant pool references to identify stack mode constants.
13570 * rtlanal.c (constant_pool_constant_p): New predicate to check
13571 whether operand is a floating point constant in the pool.
13572 * rtl.h (constant_pool_constant_p): Prototype here.
13573 * loop.c (scan_loop): Avoid hoisting constants from the constant
13574 pool on STACK_REGS targets.
13575 (load_mems): Likewise.
13576 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13577 loads into x87 registers expensive in terms of register pressure.
13579 2006-02-19 Roger Sayle <roger@eyesopen.com>
13581 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13582 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13584 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13586 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13587 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13589 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13591 * doc/invoke.texi: Document -fipa-pta.
13592 * common.opt: Add ipa-pta option.
13593 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13594 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13595 (do_ds_constraint): Ditto.
13596 (get_constraint_for): Only add to referenced_vars if
13597 referenced_vars exists.
13598 (insert_into_field_list): Rewrite to do this unsorted.
13599 (insert_into_field_list_sorted): Rename old insert_into_field_list
13601 (create_function_info_for): Use insert_into_field_list_sorted.
13602 (create_variable_info_for): Rewrite so it uses unsorted version,
13603 since the field list is sorted.
13604 (intra_create_variable_infos): Only add to referenced_vars if
13605 referenced_vars exists.
13606 (ipa_pta_execute): Init heapvars, and delete when done.
13607 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13609 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13611 * doc/install.texi: Add missing `@samp'.
13613 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13615 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13618 2006-02-18 Mark Wielaard <mark@klomp.org>
13620 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13621 who added new 4.1 features, bug fixes and integration support.
13623 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13626 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13627 MEM for ABI_V4 pic.
13629 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13631 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13632 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13633 (copy_insn_1): Likewise. Don't copy each field individually.
13635 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13637 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13638 * rtl.c (rtx_size): Rename variable to...
13639 (rtx_code_size): ...this.
13640 (rtx_size): New function.
13641 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13642 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13644 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13645 * rtl.h (rtx_code_size): New variable.
13646 (rtx_size): Change from a variable to a function.
13647 (RTX_SIZE): Rename to...
13648 (RTX_CODE_SIZE): ...this.
13651 PR tree-optimization/17106
13652 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13653 (Anchored Addresses): New section.
13654 * doc/invoke.texi (-fsection-anchors): Document.
13655 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13656 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13657 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13658 * hooks.c (hook_bool_mode_rtx_false): New function.
13659 * hooks.h (hook_bool_mode_rtx_false): Declare.
13660 * gengtype.c (create_optional_field): New function.
13661 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13662 SYMBOL_REF_IN_BLOCK_P is true.
13663 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13664 (min_anchor_offset, max_anchor_offset): Likewise.
13665 (use_anchors_for_symbol_p): New hook.
13666 * toplev.c (compile_file): Call output_object_blocks.
13667 (target_supports_section_anchors_p): New function.
13668 (process_options): Check that -fsection-anchors is only used on
13669 targets that support it and when -funit-at-a-time is in effect.
13670 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13671 if the decl doesn't have one.
13672 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13673 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13674 of force_const_mem through use_anchored_address.
13675 (expand_expr_constant): New function.
13676 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13677 calling expand_expr for INDIRECT_REF.
13678 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13679 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13680 * expr.h (use_anchored_address): Declare.
13681 * loop-unroll.c: Don't declare rtx vectors here.
13682 * explow.c: Include output.h.
13683 (validize_mem): Call use_anchored_address.
13684 (use_anchored_address): New function.
13685 * common.opt (-fsection-anchors): New switch.
13686 * varasm.c (object_block_htab, anchor_labelno): New variables.
13687 (hash_section, object_block_entry_eq, object_block_entry_hash)
13688 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13689 (use_blocks_for_decl_p, change_symbol_section): New functions.
13690 (get_variable_section): New function, split out from assemble_variable.
13691 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13692 use_blocks_for_decl_p say so. Use change_symbol_section if the
13693 symbol has already been created.
13694 (assemble_variable_contents): New function, split out from...
13695 (assemble_variable): ...here. Don't output any code for
13696 block symbols; just pass them to place_block_symbol.
13697 Use get_variable_section and assemble_variable_contents.
13698 (get_constant_alignment, get_constant_section, get_constant_size): New
13699 functions, split from output_constant_def_contents.
13700 (build_constant_desc): Create a block symbol if use_object_blocks_p
13701 says so. Or into SYMBOL_REF_FLAGS.
13702 (assemble_constant_contents): New function, split from...
13703 (output_constant_def_contents): ...here. Don't output any code
13704 for block symbols; just pass them to place_section_symbol.
13705 Use get_constant_section and get_constant_alignment.
13706 (force_const_mem): Create a block symbol if use_object_blocks_p and
13707 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13708 (output_constant_pool_1): Add an explicit alignment argument.
13709 Don't switch sections here.
13710 (output_constant_pool): Adjust call to output_constant_pool_1.
13711 Switch sections here instead. Don't output anything for block symbols;
13712 just pass them to place_block_symbol.
13713 (init_varasm_once): Initialize object_block_htab.
13714 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13715 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13716 (place_block_symbol, get_section_anchor, output_object_block)
13717 (output_object_block_htab, output_object_blocks): New functions.
13718 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13719 (TARGET_ASM_OUT): Include it.
13720 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13721 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13722 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13723 (TARGET_INITIALIZER): Include them.
13724 * rtl.c (rtl_check_failed_block_symbol): New function.
13725 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13726 (block_symbol, object_block): New structures.
13727 (rtx_def): Add a block_symbol field to the union.
13728 (BLOCK_SYMBOL_CHECK): New macro.
13729 (rtl_check_failed_block_symbol): Declare.
13730 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13731 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13732 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13733 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13734 * output.h (output_section_symbols): Declare.
13735 (object_block): Name structure.
13736 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13737 (default_use_anchors_for_symbol_p): Declare.
13738 * Makefile.in (RTL_BASE_H): Add vec.h.
13739 (explow.o): Depend on output.h.
13740 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13741 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13742 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13743 (rs6000_use_blocks_for_constant_p): New function.
13745 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13747 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13749 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13752 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13755 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13757 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13761 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13763 PR middle-end/26334
13764 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13765 instead of DECL_REGISTER.
13767 2006-02-18 Olivier Hainque <hainque@adacore.com>
13770 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13772 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13775 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13776 * opth-gen.awk: Handle Var and InverseMask together.
13777 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13778 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13779 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13780 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13782 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13783 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13784 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13785 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13786 LINUX_DYNAMIC_LINKER): Define.
13787 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13788 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13790 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13791 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13792 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13793 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13794 (TARGET_C99_FUNCTIONS): Don't define.
13795 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13796 GLIBC_DYNAMIC_LINKER.
13797 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13798 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13799 GLIBC_DYNAMIC_LINKER64): Define.
13800 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13801 LINUX_DYNAMIC_LINKER64.
13802 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13803 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13804 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13805 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13806 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13807 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13808 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13809 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13810 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13811 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13812 and LINUX_DYNAMIC_LINKER32.
13813 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13814 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13815 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13816 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13817 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13819 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13820 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13821 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13822 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13823 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13824 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13825 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13826 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13827 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13828 LINUX_DYNAMIC_LINKER): Define.
13829 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13830 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13831 GLIBC_DYNAMIC_LINKER64): Define.
13832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13833 LINUX_DYNAMIC_LINKER64.
13834 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13835 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13836 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13837 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13838 LINUX_DYNAMIC_LINKER): Define.
13839 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13840 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13841 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13842 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13843 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13844 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13845 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13846 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13847 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13848 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13850 * doc/invoke.texi (-muclibc): Remove caveat about supported
13853 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13855 * doc/cpp.texi (__TIMESTAMP__): Document.
13857 2006-02-17 Roger Sayle <roger@eyesopen.com>
13859 PR middle-end/25600
13860 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13861 C is one less than the width of X (and related transformations).
13862 * simplify-rtx.c (simplify_unary_operation_1): Transform
13863 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13864 depending on STORE_FLAG_VALUE, were C is one less then the
13867 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13869 Fix PR tree-optimization/26341
13870 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13871 about NAME_MEMORY_TAG's.
13873 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13876 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13877 with hardware float support, and software float support. Add fcpy
13878 alternative to hardware patterns. Add alternatives to copy between
13879 general and floating-point registers to the 32-bit pattern.
13880 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13881 secondary reload to load a QI or HI mode constant into a floating
13883 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13884 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13886 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13889 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13891 (load_macho_picbase_di): Likewise.
13893 2006-02-16 Jeff Law <law@redhat.com>
13895 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13896 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13897 (ssa_name_nonzero_p): Likewise.
13898 (get_value_range): Return NULL if VRP is not running.
13899 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13900 VRP routines do not discover a range.
13901 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13902 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13903 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13904 (tree_expr_nonnegative_p): Similarly.
13905 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13906 (restore_nonzero_vars_to_original_value): Remove.
13907 (unsafe_associative_fp_binop): Remove.
13908 (tree_ssa_dominator_optimize): Remove initialization and
13909 finalization of nonzero_vars and nonzero_vars_stack.
13910 (dom_opt_initialize_block): No longer push marker on
13911 nonzero_vars_stack.
13912 (dom_opt_finalize_block): No longer call
13913 restore_nonzero_vars_to_original_value.
13914 (record_equivalences_from_phis): No longer look for
13915 nonzero PHI arguments.
13916 (cprop_into_successor_phis): No longer propagate nonzero
13917 property into PHI arguments. Lose unused argument. Caller
13919 (record_equivalences_from_stmt): No longer record nonzero
13920 values for SSA_NAMEs.
13921 (lookup_avail_expr): No longer use nonzero_vars.
13923 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13924 for sizetype when sizetype is unsigned.
13926 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13928 PR rtl-optimization/25603
13929 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13930 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13931 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13932 with new meaning of SETS.
13934 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13939 * config/linux.opt: New file.
13940 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13941 LINUX_DYNAMIC_LINKER): Define.
13942 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13943 * config.gcc (*-*-linux*): Define extra_options.
13944 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13945 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13946 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13947 GLIBC_DYNAMIC_LINKER.
13948 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13949 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13950 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13952 * doc/invoke.texi (GNU/Linux Options): New section.
13954 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13956 * config/sparc/sparc.md (setjmp): Rewrite.
13957 (setjmp_32): Delete.
13958 (setjmp_64): Likewise.
13960 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13962 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13965 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13967 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13970 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13972 PR rtl-optimization/26296
13973 * Makefile.in (loop-invariant.c): Add except.h dependency.
13974 * loop-invariant.c: Include except.h.
13975 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13977 2005-02-16 Paul Brook <paul@codesourcery.com>
13979 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13982 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13984 PR rtl-optimization/25636
13985 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13986 when deciding whether an insn is an initializing insn.
13988 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13990 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13991 (tree_code_size): Ditto.
13992 * tree.h (struct tree_memory_tag): Remove parent_var.
13993 (struct tree_struct_field_tag): New.
13996 (union tree_node): Add sft member.
13997 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13999 (create_sft): Add size and offset argument, set SFT_OFFSET and
14001 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14002 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14003 * tree-flow-inline.h (get_subvar_at): Update for
14004 SFT_OFFSET/SFT_SIZE.
14005 (var_can_have_subvars): Ditto.
14006 (overlap_subvar): Ditto.
14007 * print-tree.c (print_node): Print out interesting things for
14009 * tree-flow.h (struct subvar): Remove offset and size members.
14010 * tree-ssa-operands.c (get_expr_operands): Update for
14011 get_indirect_ref_operands changes.
14012 (get_indirect_ref_operands): Call add_virtual_operand instead of
14013 add_stmt_operand. Only recurse on base var if requested.
14014 (access_can_touch_variable): New function.
14015 (add_stmt_operand): Split virtual operand handling into ...
14016 (add_virtual_operand): Here. Add offset, size, and for_clobber
14017 arguments. Prune alias sets.
14018 (add_call_clobber_ops): Call add_virtual_operand.
14020 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14022 PR middle-end/26300
14023 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14025 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14026 than TREE_CODE as index into omp_clause_num_ops array.
14028 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14030 PR rtl-optimization/26184
14031 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14033 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14034 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14035 must_precede, must_follow and tobe_scheduled.
14038 * opts.c (common_handle_option): Free new_option pointer.
14039 * df-core.c (df_analyze): Free postorder pointer.
14041 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14043 * Makefile.in: Fix the examples about the use of stamps
14045 2006-02-15 Michael Matz <matz@suse.de>
14047 PR middle-end/22275
14049 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14050 influenced by maximum_field_alignment or DECL_PACKED.
14051 (update_alignment_for_field): Ditto.
14052 (place_field): Ditto.
14053 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14056 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14058 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14059 (debug_flow_info): Pass it.
14060 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14061 * bb-reorder.c (reorder_basic_blocks): Likewise.
14062 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14063 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14064 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14065 * gcse.c (gcse_main, bypass_jumps): Likewise.
14066 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14067 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14068 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14069 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14070 * rtl.h (dump_flow_info): Adjust prototype.
14071 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14072 * var-tracking.c (variable_tracking_main): Likewise.
14073 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14074 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14077 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14079 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14082 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14084 PR tree-optimization/26209
14085 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14086 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14088 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14090 2006-02-14 Roger Sayle <roger@eyesopen.com>
14092 PR middle-end/23670
14093 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14094 (X,Y) and the corresponding symmetry related transformations.
14095 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14096 (X,Y) and its symmetry related transformations.
14098 2006-02-14 Roger Sayle <roger@eyesopen.com>
14100 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14103 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14105 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14107 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14110 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14111 support COMDAT group.
14112 * configure: Regenerate.
14114 2006-02-14 Roger Sayle <roger@eyesopen.com>
14116 PR middle-end/26279
14117 PR middle-end/26280
14118 PR middle-end/26283
14119 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14121 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14123 Fix PR tree-optimization/26260
14125 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14127 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14128 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14129 * tree-ssa-structalias.c (create_variable_info_for): Use
14130 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14132 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14134 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14136 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14137 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14138 of the ending condition.
14139 * tree-ssa-loop-manip.c: Include params.h.
14140 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14141 tree_unroll_loop): New functions.
14142 * tree-pass.h (pass_loop_prefetch): Declare.
14143 * loop.c (rest_of_handle_loop_optimize): Test for
14144 -fprefetch-loop-arrays-rtl.
14145 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14146 * timevar.def (TV_TREE_PREFETCH): New timevar.
14147 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14148 pass_loop_prefetch): New.
14149 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14150 (cleanup_tree_cfg_loop): Call scev_reset.
14151 * common.opt (fprefetch-loop-arrays-rtl): Add.
14152 * tree-ssa-loop-prefetch.c: New file.
14153 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14154 (new_temp_expr_table): Initialize expr_vars.
14155 (free_temp_expr_table): Cleanup expr_vars.
14156 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14157 expressions from being merged into one.
14158 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14159 (struct tree_niter_desc): Add control, bound and cmp fields.
14160 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14162 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14163 (tree-cfgcleanup.o): Add SCEV_H dependency.
14164 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14165 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14167 2006-02-14 Richard Guenther <rguenther@suse.de>
14169 PR tree-optimization/26258
14170 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14171 in PHI argument processing.
14173 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14175 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14176 new expression in the requested machine mode.
14178 2006-02-13 Roger Sayle <roger@eyesopen.com>
14180 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14181 directly, instead let do_compare_rtx_and_jump handle this for us.
14182 * expr.c (expand_expr_real_1): Likewise.
14183 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14184 before do_jump_by_parts_greater.
14185 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14186 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14188 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14190 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14192 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14194 PR rtl-optimization/26235
14195 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14196 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14199 2006-02-13 Jeff Law <law@redhat.com>
14201 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14204 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14206 PR middle-end/26092
14207 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14208 twice if decl is a builtin. When trying again, call get_callee_fndecl
14209 first to verify it is still a builtin.
14211 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14213 * dwarf2out.c (base_type_die): Don't add AT_name here.
14214 (subrange_type_die): Don't add AT_name here.
14215 (modified_type_die): Rearrange code flow. Do add AT_name here.
14217 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14219 PR rtl-optimization/26247
14220 PR rtl-optimization/26248
14221 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14223 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14225 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14226 * config/fixtfdi.c: Likewise.
14227 * config/fixunstfdi.c: Likewise.
14228 * config/floatditf.c: Likewise.
14230 2006-02-13 Roger Sayle <roger@eyesopen.com>
14232 PR middle-end/24427
14233 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14234 into (X,C2) if C1 is a subset of the bits of C2. Transform
14235 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14237 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14239 2006-02-13 Josh Conner <jconner@apple.com>
14242 * varasm.c (function_section): Check for section name before
14243 calling select_section on targets that define
14244 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14245 unlikely_text_section instead of hot_function_section if
14246 first_function_block_is_cold.
14248 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14250 PR middle-end/25335
14251 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14253 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14255 PR rtl-optimization/26222
14256 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14257 after tree->rtl expansion.
14258 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14259 before passing it to emit_move_insn.
14261 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
14263 * doc/invoke.texi (-Write-strings): Document that it is enabled by
14265 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
14266 Clarify documentation.
14267 * c-common.h (warn_write_strings): Remove.
14268 * c-common.c (warn_write_strings): Likewise.
14269 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
14272 2006-02-12 Roger Sayle <roger@eyesopen.com>
14274 PR middle-end/25724
14275 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
14276 (do_jump_parts_zero_rtx): New function renamed from
14277 do_jump_parts_equality_rtx. Made static. Add a mode argument.
14278 (do_jump_parts_equality_rtx): New function split out from
14279 do_jump_parts_equality. Old implementation renamed as above.
14280 Call do_jump_parts_zero_rtx if either operand is zero.
14281 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
14282 do all of the heavy lifting.
14283 (do_compare_rtx_and_jump): Handle multi-word comparisons by
14284 calling either do_jump_by_parts_greater_rtx or
14285 do_jump_by_parts_equality_rtx.
14286 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
14287 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
14288 moved to do_compare_rtx_and_jump, call it directly.
14289 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
14290 mode argument. Call do_compare_rtx_and_jump.
14291 (emit_case_nodes): Update calls to do_jump_if_equal.
14293 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14295 PR rtl-optimization/26225
14296 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
14298 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14300 PR rtl-optimization/26232
14301 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
14303 2006-02-11 Jason Merrill <jason@redhat.com>
14306 * tree-inline.c (declare_return_variable): Just don't use the
14307 modify target if it's a gimple complex reg and the return slot
14310 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14312 * doc/contrib.texi: Update my entry.
14314 2006-02-10 Geoffrey Keating <geoffk@apple.com>
14316 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
14318 2006-02-10 Diego Novillo <dnovillo@redhat.com>
14320 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
14323 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
14325 * doc/invoke.texi (-floop-optimize2): Removed.
14326 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
14327 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
14328 Test flag_branch_on_count_reg only if HAVE_doloop_end.
14329 * common.opt (floop-optimize2): Removed.
14330 (fmove-loop-invariants): Enabled by default.
14332 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
14334 * tree-if-conv.c (combine_blocks): Free the result of
14335 get_loop_exit_edges.
14337 2006-02-10 Jeff Law <law@redhat.com>
14339 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
14341 PR tree-optimization/26213
14342 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
14343 loop trying to follow SSA_NAME_VALUE chains.
14345 2006-02-10 Richard Guenther <rguenther@suse.de>
14347 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
14348 deal with structures that end in implicitly variable sized arrays.
14350 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14352 PR rtl-optimization/24762
14353 * df-scan.c (df_bb_refs_record): Record correct registers defined on
14356 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14358 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
14359 (struct ivopts_data): Add regs_used field.
14360 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
14361 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
14362 instead of loop_data->regs_used;
14363 (free_loop_data): Do not free aux fields for loops.
14364 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
14365 and tree_ssa_iv_optimize_finalize.
14367 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14369 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
14371 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14374 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14375 computing the effective result type.
14377 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14379 PR inline-asm/16194
14380 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14381 (tree_overlaps_hard_reg_set): Declare.
14382 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14383 type and signature to match function type expected by walk_tree.
14384 (tree_overlaps_hard_reg_set): New function.
14385 (decl_conflicts_with_clobbers_p): Rename to:
14386 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14387 Use tree_overlaps_hard_reg_set. Changed caller.
14388 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14389 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14390 * cris.c (cris_md_asm_clobbers): Likewise.
14392 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14394 * reload1.c (emit_input_reload_insns): Delete code that tries to
14395 inherit using find_equiv_reg.
14397 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14399 * c-common.h (flag_const_strings): Don't declare.
14400 * c-common.c (flag_const_strings): Remove.
14401 * c.opt (fconst_strings): Remove.
14402 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14403 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14404 (c_common_init_options): Don't set flag_const_strings.
14405 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14407 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14409 * arm.md (tlobits_cbranch): New pattern.
14410 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14411 testing a single bit.
14413 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14416 * tree-ssa-pre.c (create_component_ref_by_pieces):
14417 Handle RETURN_DECL like VAR_DECL.
14419 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14421 PR middle-end/26134
14422 * fold-const.c (fold_indirect_ref_1): Fold
14423 "*(foo *)&complexfoo" to "__real__ complexfoo"
14424 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14426 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14428 * tree-flow-inline.h (var_can_have_subvars):
14429 Volatile variables should not have subvariables.
14431 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14434 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14435 multiplying unsigned values.
14438 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14440 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14442 2006-02-08 Jason Merrill <jason@redhat.com>
14445 * tree.def: Elaborate on difference from MODIFY_EXPR.
14446 * doc/c-tree.texi (INIT_EXPR): Likewise.
14447 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14448 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14449 (gimplify_target_expr): Likewise.
14450 (gimplify_cond_expr): Remove target handling.
14451 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14452 (gimplify_expr): Clobber it here.
14453 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14454 Do return slot optimization if we have an INIT_EXPR.
14457 * tree-inline.c (declare_return_variable): Also clear
14458 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14461 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14463 PR middle-end/22439
14464 * gimplify.c (gimplify_one_sizepos): Fix typo.
14466 2006-02-08 Jeff Law <law@redhat.com>
14468 PR tree-optimization/21417
14469 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14470 across a backedge if the control statement at the end of the
14471 block is data dependent on other statements in the same block.
14472 (record_temporary_equivalences_from_stmts): Remove over-conservative
14473 test for threading across backedges.
14475 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14476 control statement, handle all three special cases in the same
14477 manner as they all have the same desired solution. No longer
14478 special case edge flag updating when the post dominator is
14481 2006-02-08 Roger Sayle <roger@eyesopen.com>
14483 * tree.def (CHAR_TYPE): Remove.
14484 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14485 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14486 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14487 (gen_string_type_die): Delete unreachable function.
14489 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14490 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14491 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14492 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14493 * builtins.c (type_to_class): Likewise.
14494 * fold-const.c (fold_convert, build_range_check,
14495 merge_ranges): Likewise.
14496 * expr.c (count_type_elements): Likewise.
14497 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14498 * stor-layout.c (layout_type): Likewise.
14499 * ipa-type-escape.c (type_to_consider): Likewise.
14500 * gimplify.c (omp_firstprivatize_type_sizes,
14501 gimplify_type_sizes): Likewise.
14502 * explow.c (promote_mode): Likewise.
14503 * tree-sra.c (is_sra_scalar_type): Likewise.
14504 * varasm.c (output_constant): Likewise.
14505 * tree-inline.c (remap_type_1): Likewise.
14506 * convert.c (convert_to_pointer, convert_to_real,
14507 convert_to_integer, convert_to_complex): Likewise.
14509 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14511 * df-scan.c (df_def_record_1): A set destination may
14512 be a parallel regardless of mode.
14514 2006-02-08 Roger Sayle <roger@eyesopen.com>
14517 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14518 * config/mips/_tilib.c: Remove.
14519 * config/fixtfdi.c: New libgcc source file.
14520 * config/fixunstfdi.c: New source file.
14521 * config/floatditf.c: New source file.
14522 * config/floatunditf.c: New souce file.
14523 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14524 files above instead of config/mips/_tilib.c.
14525 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14527 2006-02-08 Jeff Law <law@redhat.com>
14529 PR tree-optimization/26169
14530 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14533 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14535 * df.h (DF_REG_SIZE): Return the length of the initialized
14538 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14540 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14541 __muldf3): Return a correctly signed zero.
14543 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14545 * passes.c (register_one_dump_file): Accept the current properties
14546 instead of pass number. Adjust call to dump_register. Remove
14548 (register_dump_files): Now a wrapper around...
14549 (register_dump_files_1): ... this one. Do not modify the pass
14551 (next_pass_1): Cosmetic fix.
14552 (execute_todo): Keep second parameter only. Use curr_properties
14553 instead of fetching it from the pass structure. Check and set
14555 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14556 instead of fetching it from the pass structure. Fix calls to
14557 execute_todo. Update curr_properties and initialize .vcg RTL dump
14558 after running the pass. Reset last_verified.
14559 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14561 (FIRST_AUTO_NUMBERED_DUMP): New.
14562 (dump_register): Remove "num" parameter, assign it within the
14564 (get_dump_file_name): Modify template for dumps.
14565 * tree-dump.h (dump_register): Adjust prototype.
14566 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14567 (PROP_trees): Add PROP_gimple_lomp.
14568 (TODO_set_props): New.
14569 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14570 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14571 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14573 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14575 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14576 (sparc64-*-linux*): Likewise.
14577 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14578 * config/sparc/t-linux: New file.
14579 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14580 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14581 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14582 -m32 -mlong-double-128.
14584 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14585 * config/alpha/t-linux: New file.
14586 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14588 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14589 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14590 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14591 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14592 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14593 (CPP_ARCH32_SPEC): Remove.
14595 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14597 PR tree-optimization/26145
14598 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14601 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14604 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14605 >= 240000 when generating code for SOM runtime.
14606 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14607 to $$dyncall when generating code for SOM runtime..
14609 2006-02-07 Dirk Mueller <dmueller@suse.com>
14612 * doc/invoke.texi (-Wsequence-point): Update documentation
14613 that -Wsequence-point is implemented for C++ as well.
14615 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14617 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14618 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14619 (LIB_SPEC): Likewise.
14620 * doc/invoke.texi (SPARC options): Document -pthread.
14622 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14624 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14627 2006-02-07 Roger Sayle <roger@eyesopen.com>
14629 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14630 Correct comment describing BOOLEAN_TYPE.
14632 2006-02-07 Dirk Mueller <dmueller@suse.com>
14634 * c.opt: C++ frontend supports -Wdiv-by-zero.
14635 * c-opts.c (c_common_handle_option): Remove dead case.
14637 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14639 * configure.ac (TLS assembler check): Do not enable TLS by
14640 default on SPARC/Solaris before version 10.
14641 * configure: Regenerate.
14643 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14645 * doc/invoke.texi (xl-compat): Document conversion and support
14648 2006-02-07 Jeff Law <law@redhat.com>
14650 * tree-vrp.c (find_conditional_asserts): Update comments.
14651 (simplify_stmt_for_jump_threading): New.
14652 (identify_jump_threads, finalize_jump_threads): New.
14653 (vrp_finalize): Call identify_jump_threads.
14654 (execute_vrp): Call finalize_jump_threads.
14655 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14656 (vrp_element, vrp_data, vrp_element_p): Remove.
14657 (vrp_hash_elt, vrp_variables_stack): Remove.
14658 (vrp_hash, vrp_eq, record_range): Remove.
14659 (simplify_cond_and_lookup_avail_expr): Remove.
14660 (extract_range_from_cond): Remove.
14661 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14662 (simplify_stmt_for_jump_threading): New.
14663 (dom_thread_across_edge): New wrapper.
14664 (tree_ssa_dominator_optimize): No longer initialize or
14665 finalize any of the VRP datastructures. Remove iteration
14666 step and simplify as a result of removal of iteration step.
14667 (pass_dominator): Perform a cfg cleanup after DOM.
14668 (dom_opt_finalize_block): Use the new common routines
14669 for threading jumps. Simplify stack management slightly.
14670 No longer need to unwind VRP state.
14671 (record_equivalences_from_incoming_edge): No longer record
14673 (eliminate_redundant_computations): No longer call
14674 simplify_cond_and_lookup_avail_expr.
14675 * tree-flow.h (potentially_threadable_block): Prototype.
14676 (thread_across_edge): Likewise.
14677 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14678 (tree-ssa-threadedge.o): Add dependencies.
14679 * tree-ssa-threadedge.c: New file.
14680 * passes.c (init_optimization_passes): Merge PHIs before
14681 calling VRP. Run VRP again late in the SSA optimization pipeline.
14683 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14685 * df-core.c (df_set_blocks): Do not dereference function pointers.
14686 (df_finish1): Likewise.
14687 (df_hybrid_search_forward): Likewise.
14688 (df_hybrid_search_backward): Likewise.
14689 (df_iterative_dataflow): Likewise.
14690 (df_analyze_problem): Likewise.
14691 (df_compact_blocks): Likewise.
14692 (df_dump): Likewise.
14693 * df-scan.c (df_rescan_blocks): Likewise.
14694 (df_record_entry_block_defs): Likewise.
14696 * genconditions.c (write_conditions): Guard the definition of
14697 'insn_conditions' with the check on GCC version.
14698 (write_writer): Guard the traversal 'insn_conditions' with
14699 the check on GCC version.
14701 2006-02-07 Richard Guenther <rguenther@suse.de>
14705 2006-01-30 Richard Guenther <rguenther@suse.de>
14707 * gimplify.c (gimplify_target_expr): Handle easy cases
14708 without creating a temporary.
14710 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14712 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14713 use of float in probability computations. Use edge probabilities
14714 in place of statically computed probabilities.
14715 (min_spec_prob): New static variable.
14716 (schedule_insns): Initialize it.
14717 (GET_SRC_PROB): Removed.
14718 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14720 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14723 * config/ia64/unwind-ia64.c: Revert last change.
14724 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14725 (INCOMING_FRAME_SP_OFFSET): Define.
14727 2006-02-06 Roger Sayle <roger@eyesopen.com>
14729 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14731 2006-02-07 Ben Elliston <bje@au.ibm.com>
14733 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14734 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14735 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14736 (ix86_return_in_memory): Handle TDmode.
14737 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14738 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14740 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14742 * reorg.c (dbr_schedule): Use dump_file instead of file.
14744 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14747 * config/ia64/predicates.md (extr_len_operand): New predicate.
14748 * config/ia64/ia64.md (extv): Tighten constraints.
14750 (*tbit_and_2): Ditto.
14751 (*tbit_and_3): Ditto.
14752 (*tbit_or_2): Ditto.
14753 (*tbit_or_3): Ditto.
14754 (*bit_zero): Ditto.
14757 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14760 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14762 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14764 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14765 loop_optimizer_init and loop_optimizer_finalize
14766 * tree-ssa-sink.c (execute_sink_code): Ditto.
14767 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14768 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14769 tree_ssa_loop_done): Ditto.
14770 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14771 * sched-ebb.c: Include output.h.
14772 (schedule_ebbs): Do not use dump argument.
14773 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14774 * loop.c (loop_dump_stream): Removed.
14775 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14777 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14778 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14779 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14780 loop_iterations, strength_reduce, record_biv, record_giv,
14781 final_giv_value, check_final_value, check_ext_dependent_givs,
14782 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14783 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14784 dump_file instead of loop_dump_stream.
14785 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14786 argument dump_file.
14787 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14789 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14790 * haifa-sched.c: Include output.h
14791 (schedule_insns, sched_init): Do not use dump argument.
14792 * mode-switching.c (optimize_mode_switching): Ditto.
14793 * modulo-sched.c (stats_file): Removed.
14794 (print_node_sched_params): Do not call argument dump_file.
14795 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14796 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14798 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14800 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14801 rtl_loop_init, rtl_loop_done): Ditto.
14802 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14803 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14805 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14806 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14807 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14808 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14809 * emit-rtl.c (renumber_insns): Ditto.
14810 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14811 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14812 * regclass.c (regclass): Ditto.
14813 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14814 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14815 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14816 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14818 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14819 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14821 * gcse.c (gcse_file, debug_stderr): Removed.
14822 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14823 rest_of_handle_gcse): Do not use dump argument.
14824 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14825 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14826 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14827 compute_code_hoist_vbeinout, compute_code_hoist_data,
14828 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14829 compute_store_table, build_store_vectors, insert_insn_start_bb,
14830 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14831 store_motion): Use dump_file instead of gcse_file.
14832 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14833 * profile.c (profile_dump_file): Removed.
14834 (branch_prob): Use dump_file instead of profile_dump_file.
14835 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14837 * tree-ssa-copy.c (dump_copy_of): Ditto.
14838 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14839 dump file to life_analysis.
14840 * bt-load.c (branch_target_load_optimize): Ditto.
14841 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14843 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14844 regclass, dbr_schedule): Declaration changed.
14845 * sched-int.h (sched_init): Declaration changed.
14846 * tree-profile.c (tree_profile_dump_file): Removed.
14847 (tree_profile_hooks): Removed profile_dump_file hook.
14848 * rtl-profile (rtl_profile_dump_file): Removed.
14849 (rtl_profile_hooks): emoved profile_dump_file hook.
14850 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14852 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14853 * tree-cfg.c (build_tree_cfg): Ditto.
14854 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14855 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14856 Declaration changed.
14857 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14858 life_analysis and schedule_insns.
14859 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14861 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14863 * config/mips/mips.c (mips_reorg): Ditto.
14864 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14867 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14869 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14870 (s390_mangle_fundamental_type): New.
14871 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14874 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14875 (alpha_mangle_fundamental_type): New.
14876 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14879 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14881 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14883 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14884 (sparc_mangle_fundamental_type): New.
14886 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14888 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14889 (s390x-*-linux*): Likewise.
14890 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14891 * config/s390/t-linux: New file.
14893 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14895 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14896 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14898 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14900 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14901 (ANTIC_SAFE_LOADS): New macro.
14902 (find_or_generate_expression): Add prototype.
14903 (set_contains_value): Allow null set for sake of not always having
14904 to allocate ANTIC_SAFE_LOADS.
14905 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14906 Allow COMPONENT_REF too.
14907 (valid_in_set): Allow COMPONENT_REF.
14908 Check ANTIC_SAFE_LOADS too.
14909 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14910 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14912 (can_PRE_operation): Add COMPONENT_REF.
14913 (create_component_ref_by_pieces): New function.
14914 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14915 (insert_aux): Move AGGREGATE_TYPE_P check here.
14916 (compute_avail): Set bb local stmt uids.
14917 (pass_pre): Use TODO_update_ssa_only_virtuals.
14919 2006-02-06 Ben Elliston <bje@au.ibm.com>
14921 * configure.ac: Unconditionally disable decimal float by default.
14922 * configure: Regenerate.
14924 2006-02-06 Ben Elliston <bje@au.ibm.com>
14926 * read-rtl.c (read_name): Terminate reading on EOF.
14928 2006-02-06 Ben Elliston <bje@au.ibm.com>
14930 * dfp.c (decimal_real_arithmetic): Change second argument type
14931 from int to enum tree_code. Do not always return true, but now
14932 return result of any call to decimal_do helper functions.
14933 * dfp.h (decimal_real_arithmetic): Update prototype.
14935 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14937 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14939 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14942 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14945 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14947 * tree-vrp.c (cfg_loops): Removed.
14948 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14949 Use current_loops instead of cfg_loops. Pass flags to
14950 loop_optimizer_init.
14951 * cfgloopmanip.c (fix_loop_structure): Update only available
14953 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14954 loop_optimizer_init.
14955 * modulo-sched.c (build_loops_structure): Removed.
14956 (sms_schedule): Use loop_optimizer_init.
14957 * loop-init.c (loop_optimizer_init): Use flags to determine
14958 which properties of loops to prepare.
14959 (rtl_loop_init): Pass flags to loop_optimizer_init.
14960 * tree-ssa-sink.c (execute_sink_code): Ditto.
14961 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14962 * tree-ssa-pre.c (init_pre): Ditto.
14963 * cfgloop.h (LOOPS_NORMAL): New.
14964 (loop_optimizer_init): Declaration changed.
14966 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14968 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14969 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14971 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14973 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14975 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14976 * pa/t-pa64: Delete quadlib.c rule.
14977 * pa/x-ada: Revert last change.
14978 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14980 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14982 PR rtl-optimization/26087
14983 * rtlanal.c (canonicalize_condition): Do not cross basic block
14986 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14989 * config/ia64/ia64.c: Include debug.h.
14990 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14991 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14992 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14993 (process_epilogue, process_set, process_for_unwind_directive):
14994 Output unwind info only if requested. Add CFA info if requested.
14995 Add new arguments as needed. Adjust callers.
14996 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14998 (DWARF2_FRAME_INFO): Define to zero.
14999 * config/ia64/unwind-ia64.c: Remove code that compensated for
15000 the CFA offset error fixed above.
15001 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15002 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15003 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15004 -funwind-tables and -fexceptions to enable frame info.
15005 (dwarf2out_frame_init): Define initial CFA even if
15006 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15007 DWARF2_UNWIND_INFO is nonzero, not just defined.
15008 (dwarf2out_frame_finish): Output non-EH call frame info only
15009 if DWARF2_FRAME_INFO is nonzero.
15010 (convert_cfa_to_loc_list,
15011 compute_frame_pointer_to_cfa_displacement): Define even if
15012 unwind info is not supported.
15013 (gen_subprogram_die): Use the above unconditionally. Remove
15014 legacy alternate code.
15015 * toplev.c (compile_file): Compile in call to
15016 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15017 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15019 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15020 Jakub Jelinek <jakub@redhat.com>
15022 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15023 IBM extended float format long double as "g" on powerpc*-linux.
15025 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15028 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15029 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15031 2006-02-03 Jason Merrill <jason@redhat.com>
15034 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15036 PR middle-end/25977
15037 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15038 on the return slot if it's an NRV.
15040 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15042 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15043 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15044 rewrite_use): Do not handle USE_OUTER.
15045 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15046 add_iv_outer_candidates, may_replace_final_value,
15047 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15048 (find_interesting_uses_op): Functionality of
15049 find_interesting_uses_outer_or_nonlin moved here.
15050 (find_interesting_uses_outside): Use find_interesting_uses_op.
15052 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15055 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15057 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15058 Ulrich Weigand <uweigand@de.ibm.com>
15061 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15062 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15063 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15064 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15066 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15067 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15068 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15069 Define secondary reloads for TFmode moves.
15070 (constant_modes): Add TFmode.
15071 (NR_C_MODES): Set to 8.
15072 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15074 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15075 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15076 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15077 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15078 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15079 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15080 (FPR mode macro): Add TFmode.
15081 (DSF mode macro): New.
15082 (<de>, <dee> mode attributes): Removed.
15083 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15084 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15085 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15086 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15087 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15088 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15089 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15090 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15091 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15092 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15093 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15094 "*negabs<mode>2", "sqrt<mode>2"):
15095 Changed <de> to <xde>. R constraint replaced by <Rf>.
15096 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15098 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15099 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15100 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15102 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15103 "extenddftf2", "extendsftf2"): New expanders.
15104 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15105 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15106 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15107 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15109 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15110 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15111 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15112 __floatditf): Add a GCC_4.1.0 symbol version tag.
15113 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15116 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15119 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15120 Use targetm.binds_local_p instead of TREE_PUBLIC.
15122 2006-02-02 Roger Sayle <roger@eyesopen.com>
15124 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15125 on INTEGER_TYPEs to indicate that it denotes a character type.
15126 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15127 signed_char_type_node, unsigned_char_type_node and char_type_node.
15128 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15129 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15130 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15132 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15133 Daniel Berlin <dberlin@dberlin.org>
15135 * tree-tailcall.c (arg_needs_copy_p): New function.
15136 (eliminate_tail_call): Use arg_needs_copy_p.
15137 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15138 (add_virtual_phis): New function.
15140 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15142 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15143 #ignore instead of #scratch for %g7 .register directive.
15145 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15147 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15150 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15152 * flow.c (calculate_global_regs_live): Assert that there aren't any
15155 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15157 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15158 what its name says.
15159 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15160 bsi_after_labels iterator.
15161 * tree-if-conv.c (find_phi_replacement_condition,
15162 replace_phi_with_cond_modify_expr): Likewise.
15163 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15164 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15166 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15168 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15170 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15173 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15174 array after growing it.
15176 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15178 PR middle-end/24901
15179 * fold-const.c (fold_checksum_tree): Change type of buf.
15181 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15183 * reload.c (push_secondary_reload): Initialize t_icode.
15185 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15187 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15188 -msoft-float -mlong-double-128 only issue a warning, but don't
15189 swich to DFmode long double.
15191 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15193 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15194 has a constant equivalent, iterate over equivalents for arg0,
15195 calling simplify_relational_operation and if there's a result
15196 cheaper than X, apply fold_rtx and return the result.
15198 2006-02-01 Jan Hubicka <jh@suse.cz>
15200 * opts.c (no_unit_at_a_time_default): New global variable.
15201 (decode_options): Use it.
15202 * opts.h (no_unit_at_a_time_default): Declare.
15204 2006-02-01 Paul Brook <paul@codesourcery.com>
15206 * function.c (assign_parm_setup_reg): Use function argument promotion
15208 * expr.c (expand_expr_real_1): Use function argument promotion rules
15211 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15213 * gcc.c (process_command): Change j to 'unsigned int'.
15215 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15217 PR middle-end/26001
15218 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15219 Use the corrected index for the character
15220 out of the string constant.
15222 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15224 * mode-switching.c (optimize_mode_switching): Fix size
15225 allocated for bb_info[n_entities].
15227 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15229 * gcc.c (main): Correct type that is allocated for
15230 explicit_link_files.
15232 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15234 * config/s390/s390.c (init_alignment_context): Set
15235 ALIAS_SET_MEMORY_BARRIER on the MEM.
15236 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15238 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15240 PR middle-end/25933
15241 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15243 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15246 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15248 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15249 * regrename.c: Ditto.
15250 * tree-ssa-loop-im.c: Ditto.
15251 * tree-dump.c: Ditto.
15252 * tree-complex.c: Ditto.
15253 * genrecog.c: Ditto.
15254 * tree-ssa-threadupdate.c: Ditto.
15256 * java/class.c: Ditto.
15257 * java/jcf-parse.c: Ditto.
15258 * java/resource.c: Ditto.
15259 * java/except.c: Ditto.
15260 * java/jvspec.c: Ditto.
15261 * java/jcf-write.c: Ditto.
15262 * java/jcf-path.c: Ditto.
15263 * java/gjavah.c: Ditto.
15264 * java/zextract.c: Ditto.
15265 * java/jcf-io.c: Ditto.
15266 * java/jcf.h: Ditto.
15267 * java/buffer.c: Ditto.
15268 * java/lang.c: Ditto.
15269 * java/parse-scan.y: Ditto.
15270 * java/lex.c: Ditto.
15271 * java/lex.h: Ditto.
15272 * cfgloopmanip.c: Ditto.
15273 * postreload-gcse.c: Ditto.
15274 * tree-ssa-loop-manip.c: Ditto.
15275 * postreload.c: Ditto.
15276 * tree-ssa-loop-ch.c: Ditto.
15279 * cppspec.c: Ditto.
15280 * diagnostic.c: Ditto.
15282 * genoutput.c: Ditto.
15284 * cfghooks.c: Ditto.
15285 * cfgloopanal.c: Ditto.
15286 * objc/objc-act.c: Ditto.
15288 * genextract.c: Ditto.
15289 * genautomata.c: Ditto.
15290 * pretty-print.c: Ditto.
15291 * genemit.c: Ditto.
15292 * cgraphunit.c: Ditto.
15294 * df-scan.c: Ditto.
15295 * haifa-sched.c: Ditto.
15296 * dominance.c: Ditto.
15298 * tree-ssa-loop-ivopts.c: Ditto.
15299 * df-core.c: Ditto.
15300 * mode-switching.c: Ditto.
15301 * modulo-sched.c: Ditto.
15303 * ipa-pure-const.c: Ditto.
15305 * fix-header.c: Ditto.
15307 * tree-stdarg.c: Ditto.
15308 * ipa-utils.c: Ditto.
15309 * loop-init.c: Ditto.
15310 * ipa-inline.c: Ditto.
15311 * cfganal.c: Ditto.
15313 * alloc-pool.c: Ditto.
15314 * dwarf2out.c: Ditto.
15316 * genattrtab.c: Ditto.
15317 * tree-ssa-loop-ivcanon.c: Ditto.
15318 * predict.c: Ditto.
15319 * timevar.c: Ditto.
15321 * fortran/gfortranspec.c: Ditto.
15322 * regmove.c: Ditto.
15323 * local-alloc.c: Ditto.
15324 * langhooks.c: Ditto.
15325 * function.c: Ditto.
15326 * tree-vectorizer.c: Ditto.
15328 * ipa-type-escape.c: Ditto.
15330 * tree-if-conv.c: Ditto.
15331 * profile.c: Ditto.
15333 * tree-data-ref.c: Ditto.
15334 * loop-unroll.c: Ditto.
15335 * treelang/treetree.c: Ditto.
15337 * bt-load.c: Ditto.
15338 * ggc-common.c: Ditto.
15340 * coverage.c: Ditto.
15342 * tree-cfgcleanup.c: Ditto.
15343 * tree-ssa-pre.c: Ditto.
15344 * cfgcleanup.c: Ditto.
15345 * loop-invariant.c: Ditto.
15346 * loop-iv.c: Ditto.
15347 * ipa-prop.c: Ditto.
15348 * print-tree.c: Ditto.
15349 * conflict.c: Ditto.
15350 * ggc-page.c: Ditto.
15351 * sched-deps.c: Ditto.
15352 * regclass.c: Ditto.
15353 * tree-object-size.c: Ditto.
15354 * combine.c: Ditto.
15355 * bb-reorder.c: Ditto.
15356 * resource.c: Ditto.
15357 * var-tracking.c: Ditto.
15358 * cfgloop.c: Ditto.
15359 * df-problems.c: Ditto.
15360 * reg-stack.c: Ditto.
15362 * gccspec.c: Ditto.
15363 * sched-rgn.c: Ditto.
15364 * tree-ssa-structalias.c: Ditto.
15365 * tree-ssa-reassoc.c: Ditto.
15366 * config/darwin-c.c: Ditto.
15367 * config/darwin.c: Ditto.
15368 * config/arm/arm.c: Ditto.
15370 * collect2.c: Ditto.
15371 * reload1.c: Ditto.
15373 2006-01-31 Nicolas Pitre <nico@cam.org>
15375 * arm.md (smaxsi3): Make aware of smax_m1.
15378 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15380 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15382 2006-01-31 Richard Guenther <rguenther@suse.de>
15384 * doc/invoke.texi (-msselibm): Document.
15385 * target.h (expand_library_builtin): New target hook.
15386 * builtins.c (expand_builtin): Use expand_library_builtin.
15387 (default_expand_library_builtin): New function.
15388 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15389 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15390 (link_gcc_math_spec): Declare.
15391 (static_specs): Add link_gcc_math_spec.
15392 * expr.h (default_expand_library_builtin): Declare.
15393 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15394 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15395 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15396 * config/i386/i386.opt (msselibm): New target option.
15397 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15398 (ix86_init_sse_abi_builtins): New function.
15399 (ix86_expand_library_builtin): Likewise.
15400 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15401 (override_options): Handle error conditions wrt -msselibm.
15402 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15403 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15404 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15407 2006-01-31 Richard Guenther <rguenther@suse.de>
15408 Paolo Bonzini <bonzini@gnu.org>
15410 * doc/install.texi (--disable-libgcc-math): Document.
15412 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15414 * expr.h (expand_normal): new inline function.
15415 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15416 * dojump.c: use it.
15417 * dwarf2out.c: use it.
15420 * expmed.c: use it.
15421 * except.c: use it.
15422 * config/sparc/sparc.c: use it.
15423 * config/i386/i386.c: use it.
15424 * config/rs6000/rs6000.c: use it.
15425 * config/arm/arm.c: use it.
15426 * config/mips/mips.c: use it.
15427 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15429 2006-01-30 Roger Sayle <roger@eyesopen.com>
15431 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15432 argv to the appropriate type.
15434 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15436 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15439 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15442 * config/s390/s390.c (struct machine_function): New flag
15443 decomposed_literal_pool_addresses_ok_p.
15444 (s390_reorg): Set it before final stage of literal pool transforms.
15445 (s390_decompose_address): Only accept displacements of the form
15446 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15448 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15450 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15451 the comparison routine return.
15453 2006-01-30 Michael Matz <matz@suse.de>
15455 * global.c (find_reg): Only evict for global regs.
15456 Take n_refs into account and dump more info.
15458 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15461 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15462 (pragma_trap, pragma_nosave_low_regs): Likewise.
15463 (current_function_anonymous_args): Likewise.
15464 (sh_deferred_function_attributes): New variable.
15465 (sh_deferred_function_attributes_tail): Likewise.
15466 (print_operand): For '@', look up trap_exit attribute.
15467 (calc_live_regs): Look up trapa_handler attribute. For trapa
15468 handlers, save/restore fpscr, but don't do any other
15469 interrupt-specific saves.
15470 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15471 Fix check for partially saved registers to check for SHmedia.
15472 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15473 (sh_output_function_epilogue): Don't clear any of the removed
15475 (sh_insert_attributes): Don't check pragma_interrupt.
15476 Insert deferred attributes. Check that interrupt attribute is
15477 present for other attributes that require its presence.
15478 (sh_attribute_table): Add new attributes trapa_handler and
15480 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15481 Don't check for pragma_interrupt. Don't store argument.
15482 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15483 (sh_deferred_function_attributes): Declare.
15484 (sh_deferred_function_attributes_tail): Likewise.
15485 * sh.md (sp_switch_1): Add operand. Change generator caller.
15486 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15487 (*return_i): Don't use when trap_exit attribute is in effect.
15488 (*return_trapa): New insn pattern.
15489 * sh-c.c: New file.
15490 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15491 setting c_target_objs and cxx_target_objs.
15492 * t-sh: Add rule for sh-c.o.
15494 2006-01-30 Richard Guenther <rguenther@suse.de>
15497 * gimplify.c (gimplify_target_expr): Handle easy cases
15498 without creating a temporary.
15500 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15502 * vec.h (safe_grow): Remove duplicated line.
15504 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15507 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15508 (expand_omp): ... here.
15509 (expand_omp_parallel): Only remove barriers for combined
15510 parallel+workshare constructs.
15512 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15516 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15517 * tree.c (build_qualified_type): Chain the new type to the original
15518 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15519 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15520 (build_pointer_type_for_mode): Only return unqualified types.
15521 (build_reference_type_for_mode): Likewise.
15523 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15525 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15526 * Makefile.in (CXX_COMPAT_WARN): Define.
15527 * configure: Regenerate.
15529 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15532 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15535 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15537 * toplev.c: Fix thinko.
15539 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15540 Marcin Dalecki <martin@dalecki.de>
15542 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15543 (push_srcloc): Use XNEW.
15544 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15546 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15548 * df-core.c (df_set_blocks): Deleted all variable.
15550 2006-01-28 Ian Lance Taylor <ian@airs.com>
15552 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15553 cgraph_output_pending_asms.
15555 2006-01-28 Zack Weinberg <zackw@panix.com>
15557 * c.opt: Add -W(no-)overlength-strings.
15558 * doc/invoke.texi: Document it.
15559 * c-opts.c (c_common_handle_option): -pedantic implies
15560 -Woverlength-strings, if not explicitly disabled already.
15561 (c_common_post_options): -Woverlength-strings defaults to off, and
15562 is always off for C++.
15563 * c-common.c (fix_string_type): Issue warning about strings longer
15564 than is portable only if warn_overlength_strings. Rearrange code
15565 a little for clarity.
15566 * configure.in: Check for -Wno-overlength-strings as well before
15567 enabling -pedantic in stage 1.
15568 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15569 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15571 * genconditions.c (write_header, write_one_condition)
15572 (write_conditions, write_writer): Consolidate very long strings
15573 that were broken up to fit in C89 portable limit. Don't use
15574 printf when fputs will do.
15576 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15578 * combine.c (simplify_comparison <AND>): Check
15579 TRULY_NOOP_TRUNCATION before start using a subreg.
15581 * config/mips/mips.md (*branch_zero<mode>,
15582 *branch_zero<mode>_inverted, *branch_equality<mode>,
15583 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15584 Remove mode check from comparisons.
15586 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15588 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15590 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15592 * expmed.c (const_mult_add_overflow_p): Remove.
15593 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15595 * recog.c (validate_replace_rtx_subexp): Remove.
15596 * recog.h: Remove the prototype for
15597 validate_replace_rtx_subexp.
15599 * integrate.h: Remove the prototype for
15600 copy_decl_for_inlining.
15601 * rtl.h: Remove the prototype for mark_constant_function.
15602 * tree-vectorizer.h: Remove the prototype for
15603 vect_strip_conversion.
15605 * modulo-sched.c (create_partial_schedule,
15606 free_partial_schedule, reset_partial_schedule): Make them
15609 * hooks.c (hook_bool_rtx_int_false): Remove.
15610 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15612 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15614 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15615 and -mlong-double-128 are incompatible.
15616 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15617 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15618 (TARGET_LIBGCC2_CFLAGS): Define.
15619 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15620 (TARGET_LIBGCC2_CFLAGS): Same.
15621 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15623 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15626 * c-typeck.c (build_binary_op): Perform implicit casts of
15627 operands before shortening them.
15629 * cfgloopmanip.c (split_loop_bb): Remove.
15630 * cfgloop.h: Remove the prototype for split_loop_bb.
15632 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15633 * cfgloop.h: Remove the prototype for
15634 flow_loop_outside_edge_p.
15636 * emit-rtl.c (init_virtual_regs): Make it static.
15637 * function.h: Remove the prototype for init_virtual_regs.
15639 * recog.c (peephole2_optimize): Make it static.
15640 * recog.h: Remove the prototype for peephole2_optimize.
15642 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15644 * df-scan.c (df_record_entry_block_defs): Check if
15645 INCOMING_RETURN_ADDR_RTX is defined.
15647 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15648 Kenneth Zadeck <zadeck@naturalbridge.com>
15650 PR rtl-optimization/24762
15651 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15652 * targhooks.c (hook_void_bitmap): New hook prototype.
15653 * targhoohs.h (hook_void_bitmap): Ditto.
15654 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15655 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15656 * target.h (live_on_entry): New function pointer.
15657 * df-scan.c (df_all_hard_regs): Removed.
15658 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15659 (df_scan_free_internal): Added df->entry_block_defs.
15660 (df_scan_alloc): Ditto.
15661 (df_scan_dump): Ditto.
15662 (df_uses_record): Plumbed flag field properly thru calls.
15663 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15664 This part fixes PR24762.
15665 (df_bb_refs_record): Added code to make the frame and arg
15666 pointers live in EH blocks.
15667 (df_refs_record): Added call to df_record_entry_block_defs.
15668 (df_record_entry_block_defs): New function.
15669 * df-core.c: Added comments to describe new artifical defs.
15670 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15671 (entry_block_defs): New field in struct df.
15672 (df_all_hard_regs): Deleted.
15673 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15674 * df-problems.c (df_ru_bb_local_compute_process_def):
15675 Added code to handle artifical defs in the entry to a function.
15676 (df_ru_bb_local_compute): Ditto.
15677 (df_rd_bb_local_compute_process_def): Ditto.
15678 (df_rd_bb_local_compute): Ditto.
15679 (df_lr_bb_local_compute): Ditto.
15680 (df_ur_bb_local_compute): Ditto.
15681 (df_urec_bb_local_compute): Ditto.
15682 (df_chain_create_bb): Ditto.
15683 (df_ur_local_finalize): Removed entry.
15684 (df_urec_init): Ditto.
15685 (df_urec_local_finalize): Ditto.
15686 (df_ri_bb_compute): Added detection of last use of pseudos.
15687 * Makefile.in (df-scan.o): Updated dependencies.
15688 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15689 * config/mips/mips.c (mips_set_live_on_entry): Added.
15690 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15692 * dce.c (marked_insn_p): Added code to handle artifical defs.
15694 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15696 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15698 (_mm_cvtsi128_si64): Likewise.
15699 (_mm_cvtsd_si64): Likewise.
15700 (_mm_cvttsd_si64): Likewise.
15701 (_mm_cvtsi64_sd): Likewise.
15702 (_mm_cvtsi64_si128): Likewise.
15703 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15704 (_mm_cvtsi64_m64): Likewise.
15705 (_m_to_int64): Likewise.
15706 (_mm_cvtm64_si64): Likewise.
15707 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15708 (_mm_cvttss_si64): Likewise.
15709 (_mm_cvtsi64_ss): Likewise.
15710 (_mm_cvtss_f32): Likewise.
15712 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15714 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15715 for pragma redefine_extname.
15717 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15720 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15721 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15722 -mno-minimal-toc to previous content.
15723 (bispecs): Remove goal.
15724 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15725 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15726 compatibility aliases on powerpc-*-*gnu*.
15727 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15728 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15729 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15730 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15731 (ldblspecs): New goal.
15732 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15733 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15735 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15736 L_sf_to_tf or L_df_to_tf is defined.
15738 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15739 Alan Modra <amodra@bigpond.net.au>
15742 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15743 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15744 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15745 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15746 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15747 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15748 (rs6000_override_options): Initialize rs6000_ieeequad.
15749 Initialize TFmode format to ibm_extended_format if not
15751 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15753 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15754 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15755 (function_arg_advance): IBM long double passed in two FPRs, not
15757 (function_arg): IBM long double passed in FPRs.
15758 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15759 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15760 Only multireg GPR aligned.
15761 (rs6000_init_libfuncs): Enable IBM long double functions if not
15763 (rs6000_generate_compare): Use IBM long double compare if not
15765 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15766 (TARGET_IEEEQUAD): Define.
15767 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15768 not TARGET_IEEEQUAD.
15769 * config/rs6000/rs6000.md: Enable TFmode patterns if
15771 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15772 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15773 and -mlong-double-128 are incompatible.
15774 * doc/invoke.texi (-mabi): Collect options together. Add
15775 ibmlongdouble and ieeelongdouble.
15777 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15779 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15781 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15782 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15783 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15784 * rtl.h (rtunion_def): Remove rt_ptr.
15786 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15787 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15788 * config/i386/winnt.c (i386_pe_mark_dllexport)
15789 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15791 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15793 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15795 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15799 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15800 pthread_key_delete. From John David Anglin. gthrw-ify
15801 pthread_getunique_np only if it it's not a macro. Delete
15803 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15804 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15805 __gthread_objc_condition_signal, __gthread_key_delete): Add
15806 "__attribute__ ((__unused__))" to unused arguments.
15807 (__gthread_recursive_mutex_init_function): Add missing return.
15808 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15809 gthr-posix95.h: Use macro-based approach for name redirection
15810 on targets missing weakref.
15812 2006-01-26 Zack Weinberg <zackw@panix.com>
15814 * genconditions.c (write_header): In generated code, #ifdef out
15815 all includes and fake declarations, except includes of bconfig.h
15816 and system.h, unless GCC_VERSION >= 3001. Do not include
15817 gensupport.h in any case.
15818 (write_conditions): Generate a definition of struct c_test. Add
15819 a comment to the generated #endif.
15820 (write_one_condition): Escape backslashes in string too.
15821 (write_writer): Generated code must escape backslashes and quote
15822 marks (but not newlines) in the strings it writes.
15823 * Makefile.in (build/gencondmd.o): Update dependencies.
15825 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15828 * Makefile.in (insn-automata.o): Add header file dependencies.
15829 * genautomata.c: Add includes.
15831 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15834 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15836 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15838 * configure.ac: Expect target tools paths to be passed from the toplevel
15839 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15841 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15843 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15846 * c.opt (Wpointer-sign): Init to -1.
15847 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15848 OPT_pedantic, to 0 otherwise.
15849 * doc/invoke.texi: Update.
15851 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15853 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15854 constants provided by 80387 instructions in the destination mode.
15856 2006-01-26 Richard Guenther <rguenther@suse.de>
15857 Andrew Pinski <pinskia@physics.uc.edu>
15860 partial PR tree-opt/17064
15861 * tree-ssa-structalias.c (intra_create_variable_infos):
15862 Create heap variables for incoming parameters if
15863 flag_argument_noalias > 1.
15864 (find_what_p_points_to): Look through default defs of
15867 2006-01-26 Jeff Law <law@redhat.com>
15870 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15871 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15872 within the VR_RANGE, use the VR_RANGE as the result, not the
15874 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15875 bounds for the type.
15877 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15879 * tree-ssa-alias.c (maybe_create_global_var): Change
15880 subvar walking to an assertion that we don't have subvar'd variables.
15882 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15885 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15886 Use a new variable, inner. PARM_DECLs are always non-weak.
15888 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15890 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15891 --disable-checking.
15893 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15895 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15897 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15899 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15900 (smax_insn, smin_insn, smax_0, smin_0): New.
15902 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15905 * config/cris/cris.c (cris_order_for_addsi3): New function.
15906 * config/cris/cris-protos.h: Prototype it.
15907 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15908 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15909 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15910 (split for "op.S1 [rx=rx+i],ry (swapped)")
15911 (split for "op(s|u).S1 [rx=rx+i],ry")
15912 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15913 Apply cris_order_for_addsi3 when generating addsi3 insns.
15915 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15917 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15918 (TREE_BLOCK): Add call to EXPR_CHECK.
15920 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15923 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15924 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15925 (dump_omp_clauses): ... here.
15926 (dump_generic_node): Handle OMP_CLAUSE.
15927 * tree.c (omp_clause_num_ops): New.
15928 (omp_clause_code_name): New.
15929 (tree_code_size): Handle OMP_CLAUSE.
15930 (tree_size): Likewise.
15931 (make_node): Document handling of OMP_CLAUSE.
15932 (tree_node_structure): Handle OMP_CLAUSE.
15933 (omp_clause_check_failed): New.
15934 (omp_clause_range_check_failed): New.
15935 (omp_clause_operand_check_failed): New.
15936 (build_omp_clause): New.
15937 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15938 * tree.h (enum omp_clause_code): Declare.
15939 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15940 (OMP_CLAUSE_RANGE_CHECK): Define.
15941 (OMP_CLAUSE_ELT_CHECK): Define.
15942 (omp_clause_check_failed): Declare.
15943 (omp_clause_operand_check_failed): Declare.
15944 (omp_clause_range_check_failed): Declare.
15945 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15946 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15947 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15948 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15949 (OMP_CLAUSE_IF_EXPR): Likewise.
15950 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15951 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15952 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15953 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15954 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15955 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15956 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15957 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15958 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15959 (OMP_CLAUSE_CODE): Define.
15960 (OMP_CLAUSE_SET_CODE): Define.
15961 (OMP_CLAUSE_CODE): Define.
15962 (OMP_CLAUSE_OPERAND): Define.
15963 (struct tree_omp_clause): Declare.
15964 (union tree_node): Add field 'omp_clause'.
15965 * treestruct.def (TS_OMP_CLAUSE): Define.
15966 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15967 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15968 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15969 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15970 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15971 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15972 (OMP_CLAUSE): Define.
15973 * print-tree.c (print_node): Handle OMP_CLAUSE.
15974 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15975 * c-typeck.c: Likewise.
15976 * gimplify.c: Likewise.
15977 * c-omp.c: Likewise.
15978 * tree-nested.c: Likewise.
15979 * tree-inline.c: Likewise.
15980 * c-parser.c: Likewise.
15981 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15984 2006-01-25 Roger Sayle <roger@eyesopen.com>
15986 PR rtl-optimization/25703
15987 * combine.c (try_combine): Handle zero_extract and strict_low_part
15988 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15990 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15992 * global.c: Fix comment typos.
15994 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15997 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15998 Use output_addr_const instead of assemble_name.
16000 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16002 * Makefile.in (sched-vis.o): Update dependencies.
16003 * haifa-sched.c (sched_finish): Clear current_sched_info.
16004 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16005 (dump_flow_info): Call it.
16006 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16008 * basic-block.h (dump_bb_info): Declare.
16009 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16010 option, and apply options only for dump files whose TDF_RTL,
16011 TDF_TREE, or TDF_IPA bits match.
16012 * rtl.h: Declare new functions exported from sched-vis.c.
16013 * sched-vis.c: Enable also if scheduling is not used.
16014 (print_value): Print the mode of registers if not inside scheduling.
16015 (print_insn): Make it work outside the scheduler. Beautify the output
16017 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16019 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16021 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16022 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16023 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16024 depending on the value of CONSTANT_POOL_ADDRESS_P.
16025 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16027 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16028 rather than SYMBOL_REF_DECL.
16029 (rtx_constant_pool): Remove const_rtx_sym_htab.
16030 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16031 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16032 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16033 Remove handling of const_rtx_sym_htab.
16034 (find_pool_constant): Delete.
16035 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16036 rather than find_pool_constant.
16037 (get_pool_constant_for_function): Delete.
16038 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16039 find_pool_constant.
16040 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16041 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16042 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16043 (SYMBOL_REF_CONSTANT): New macro.
16044 (get_pool_constant_for_function): Delete.
16045 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16046 rather than SYMBOL_REF_DECL.
16047 (i386_pe_mark_dllimport): Likewise.
16048 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16049 rather than SYMBOL_REF_DECL.
16050 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16051 (machopic_indirect_call_target): Likewise.
16053 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16055 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16057 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16059 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16061 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16063 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16065 2006-01-24 David Daney <ddaney@avtrex.com>
16068 * configure.ac (enable_tls): New enable option.
16069 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16070 * configure: Regenerate.
16071 * doc/install.texi (--enable-tls): Document new option.
16072 (--disable-tls): Ditto.
16074 2006-01-24 Richard Henderson <rth@redehat.com>
16076 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16077 * alias.c (true_dependence): Respect it.
16078 (canon_true_dependence, write_dependence_p): Likewise.
16079 * builtins.c (get_builtin_sync_mem): Set it.
16081 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16083 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16086 2006-01-24 DJ Delorie <dj@redhat.com>
16088 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16089 for storing constants in single-bit bitfields.
16091 2006-01-25 Ben Elliston <bje@au.ibm.com>
16093 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16095 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16098 * tree-ssa-pre.c (phi_translate): Return NULL
16099 for AGGREGATE_TYPE's.
16101 2006-01-24 Zack Weinberg <zackw@panix.com>
16103 * genautomata.c (process_state_for_insn_equiv_partition):
16104 Use xcalloc for insn_arcs_array.
16105 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16106 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16108 2006-01-24 Richard Henderson <rth@redhat.com>
16110 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16111 update all callers.
16113 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16115 PR rtl-optimization/25890
16116 PR rtl-optimization/25905
16117 * combine.c (expand_compound_operation, expand_field_assignment):
16118 Fail if the bitfield's final position is out of bounds.
16120 2006-01-24 Ian Lance Taylor <ian@airs.com>
16122 PR middle-end/25930
16123 * cgraphunit.c (cgraph_output_in_order): Don't clear
16124 cgraph_asm_nodes until after asm strings have been output.
16126 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16128 * fix-header.c (read_scan_file): Add new parameter imultilib when
16129 calling register_include_chains.
16131 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16133 * omp-low.c: Update documentation.
16135 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16136 Daniel Berlin <dberlin@dberlin.org>
16140 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16141 return from the function.
16143 2006-01-22 Zack Weinberg <zackw@panix.com>
16145 * rtl.def (match_code): Add second argument.
16146 * genpreds.c (write_extract_subexp): New function.
16147 (write_match_code): Add path argument. Use write_extract_subexp.
16148 (write_predicate_expr): Pass path to write_match_code.
16149 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16150 not perform a mode test.
16151 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16152 a subexpression does not constrain the top-level code set.
16153 * read-rtl.c (read_rtx_variadic): New function.
16154 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16155 * doc/md.texi: Document new notation.
16156 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16157 (cmpsi_operand): ... here, using new notation.
16159 2006-01-22 Zack Weinberg <zackw@panix.com>
16161 * varray.c: Remove GENERATOR_FILE #ifdefs.
16163 2006-01-22 Zack Weinberg <zackw@panix.com>
16165 * genautomata.c (output_reserved_units_table): Emit nothing if
16166 description->query_units_num is zero. Remove extra blank line.
16167 (output_cpu_unit_reservation_p): Short circuit
16168 if description->query_units_num is zero.
16170 2006-01-22 Zack Weinberg <zackw@panix.com>
16172 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16173 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16174 nor any of the random handful of variables that used to be necessary
16175 when this program was linked with rtlanal.o. Prune set of forward
16176 function declarations.
16177 (struct attr_desc): Remove static_p field.
16178 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16179 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16180 (attr_string): Do not read the character one past the length of
16182 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16183 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16184 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16185 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16186 (make_automaton_attrs): New.
16187 (main): Do not call into genautomata. Call local gen_bypass
16188 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16189 Remove special case for insn_alts.
16190 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16191 varray.h (leftover from previous change). Prune set of forward
16192 function declarations. Remove state_alts fields from all
16193 structures. Remove state_alts_table from struct automaton.
16194 Make everything except main static. Do not maintain num_dfa_decls.
16195 Do not maintain state_alts fields of various structures.
16196 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16197 (add_arc): Remove state_alts argument. All callers updated.
16198 (output_reserved_units_table): Emit #ifdef here...
16199 (output_tables): ...not here. Don't generate state_alts tables.
16200 (expand_automata): Don't generate attributes.
16201 (write_automata): Don't generate state_alts functions.
16202 (main): New function.
16203 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16204 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16205 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16206 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16207 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16208 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16209 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16210 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16212 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16213 * genattrtab.h: Delete file.
16214 * Makefile.in (OBJS-common): Add insn-automata.o.
16215 (insn-automata.o): New rule.
16216 (simple_generated_c): Add insn-automata.c.
16217 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16218 (genprogmd): Add automata.
16219 (build/genattrtab): Needs no extra objects nor libraries.
16220 (build/genautomata): Needs build/vec.o and -lm.
16222 2006-01-22 Zack Weinberg <zackw@panix.com>
16224 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16225 (output_dfa_max_issue_rate, locked_states_num): Delete.
16226 (struct automaton): Add locked_states field.
16227 (output_dead_lock_vect): Save number of locked states in
16228 automaton->locked_states. If it is zero, don't print anything.
16229 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16230 (output_internal_dead_lock_func): Only test the dead_lock_vect
16231 for automata that have locked states.
16232 (output_statistics): Always print the number of locked states for
16233 each automaton. Calculate total number of locked states here.
16234 (write_automata): Don't call output_dfa_max_issue_rate.
16235 * genattrtab.c: Define length_unit_log as a const variable.
16236 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16237 max_insn_queue_index const.
16238 * final.c (length_unit_log): Declare const.
16239 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16241 2006-01-22 Zack Weinberg <zackw@panix.com>
16243 * genautomata.c: Include vec.h, not varray.h.
16244 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16245 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16246 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16247 VEC_* macros operating on appropriately typed vectors, or to
16248 malloced arrays when the size is known in advance. Const-ify
16249 many char* variables and function arguments. No functional changes.
16250 * Makefile.in (build/varray.o): Delete rule.
16251 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16252 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16254 2006-01-22 Zack Weinberg <zackw@panix.com>
16256 * gensupport.c: Define get_insn_name and record_insn_name here.
16257 (read_md_rtx): Call record_insn_name as appropriate.
16258 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16259 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16260 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16262 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
16263 (BUILD_VARRAY): Delete.
16264 (genprognormal): Rename genprogmd. Fold in all programs from
16265 genprognoprint; also attrtab.
16266 (build/genattrtab): Just mention genautomata.o and varray.o.
16267 Reorganize a bit, add comments to make the categories clearer.
16269 2006-01-22 Zack Weinberg <zackw@panix.com>
16271 * genconditions.c (condition_table, add_condition): Delete.
16272 (write_conditions): Don't emit n_insn_conditions nor
16273 insn_elision_unavailable. Issue the gcc version #ifdef here,
16274 inside the table, with no #else clause ...
16275 (write_header): ...not here.
16276 (write_writer): New function.
16277 (main): Don't initialize condition_table. Use add_c_test.
16279 * gensupport.c (init_md_reader_args_cb): Handle multiple input
16280 files on the command line.
16281 (maybe_eval_c_test): Don't check insn_elision_unavailable.
16282 Return -1 if there is no entry in the table, don't abort.
16283 (add_c_test, traverse_c_tests): New functions.
16284 * gensupport.h (insn_elision_unavailable, insn_conditions)
16285 (n_insn_conditions): Delete declarations.
16286 (add_c_test, traverse_c_tests): Declare.
16287 * read-rtl.c: Include gensupport.h.
16288 (read_conditions): New function.
16289 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
16290 (read_rtx_1): If we get EOF when we were looking for an initial
16291 open paren, return 0. Call read_conditions when appropriate.
16292 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
16293 dummy-conditions.o. Eliminate references to insn-conditions.o,
16294 or change them to build/gencondmd.o, as appropriate. Remove
16295 insn-constants.h from $(simple_generated_h) and insn-conditions.c
16296 from $(simple_generated_c). For all files remaining in those
16297 two lists, add insn-conditions.md to the generator command line.
16298 Give insn-constants.h/s-constants their own rules. Add rules
16299 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
16300 (build/read-rtl.o): Depend on gensupport.h.
16301 (genprognormal): Include preds.
16302 (genprogearly): Rename genprognoprint; only difference is now that
16303 they don't link with $(BUILD_PRINT).
16304 * dummy-conditions.c: Delete.
16306 2006-01-22 Zack Weinberg <zackw@panix.com>
16308 * genextract.c: Don't include insn-config.h. Do include vec.h.
16309 Declare vectors of int, char, and locstr.
16310 (locstr): New typedef.
16311 (struct extraction): Make all array fields into bare pointers.
16312 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
16313 (insn_code_number): Delete.
16314 (accum_extract): New struct.
16315 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
16316 (gen_insn): Take insn_code_number as an argument. Use an
16317 accum_extract structure instead of loading data directly into
16318 a struct extraction, and having to know how big it might get.
16319 (walk_rtx): Operate entirely on an accum_extract structure.
16320 (print_path): Avoid unnecessary use of printf.
16321 (print_header): New function, split out of main. Distinguish
16322 more carefully between an unrecognizable insn and an insn that
16323 has the code number of a define_expand.
16324 (main): Pass insn_code_number to gen_insn. Call print_header
16325 only after parsing. Avoid unnecessary use of printf.
16326 * Makefile.in (build/vec.o): New rule.
16327 (build/genextract): Depend on build/vec.o.
16328 (build/genextract.o): Don't depend on insn-config.h.
16330 2006-01-22 Zack Weinberg <zackw@panix.com>
16332 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
16333 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
16334 practical. Eliminate per-generator-program link rules.
16336 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16338 PR middle-end/24437
16339 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16340 with a call expr to ...
16341 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16343 2006-01-23 Richard Guenther <rguenther@suse.de>
16345 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
16346 before make_edge with conditional EDGE_TRUE_VALUE.
16348 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
16349 Jan Hubicka <jh@suse.cz>
16350 Richard Guenther <rguenther@suse.de>
16352 PR rtl-optimization/25654
16353 * cfgexpand.c (aggregate_contains_union_type): New function.
16354 (add_alias_set_conflicts): Call it. Make sure to add conflicts
16355 for structure variables that contain a union type.
16357 2006-01-23 Richard Sandiford <richard@codesourcery.com>
16359 * gengtype.c (new_structure): Return the structure.
16360 (create_option): Add an extra "next" argument.
16361 (create_field): New function.
16362 (adjust_field_rtx_def): Use create_option and create_field.
16363 Remove a now-unnecessary call to find_structure.
16364 (adjust_field_tree_def): Likewise.
16365 (note_yacc_type): Remove an unnecessary call to find_structure.
16366 * gengtype.h (new_structure): Return the structure.
16367 (create_option): Add an extra argument.
16368 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
16369 (option): Adjust calls to create_option.
16371 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16373 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16375 2006-01-22 Paul Brook <paul@codesourcery.com>
16376 Peter Barada <peter@the-baradas.com>
16378 * config/m68k/m68k.md: Add Coldfire FPU support.
16379 Define FP mode macro and associated attributes.
16380 Use it for float mode patterns.
16381 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16382 (LIBCALL_VALUE): Use m68k_libcall_value.
16383 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16384 (m68k_function_value): Ditto.
16385 (emit_move_sequence): Ditto.
16386 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16387 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16388 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16389 (MULTILIB_EXCEPTIONS): Ditto.
16390 * config/m68k/m68k.opt: Add mcfv4e.
16391 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16392 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16393 (m68k_output_function_prologue): Save ColdFire FPU registers.
16394 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16395 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16396 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16397 ColdFire FPU registers.
16398 (m68k_libcall_value, m68k_function_value): New functions.
16399 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16400 (LIBCALL_VALUE): Use m68k_libcall_value.
16401 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16402 (MASK_COLDFIRE): Add MASK_CFV4E.
16403 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16404 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16405 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16406 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16407 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16408 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16409 * doc/invoke.tex: Document -mcfv4e on m68k.
16411 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16413 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16416 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16419 * c-opts.c (c_common_handle_option): Don't include
16420 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16421 * doc/invoke.texi (C++ Dialect Options): Document that
16422 -Wnon-virtual-dtor is no longer included in -Wall.
16424 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16426 * gcov.c (print_version), gcov-dump.c (print_version),
16427 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16430 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16432 * df-scan.c (problem_SCAN): Added NULL reset function.
16433 (df_scan_reset_blocks): Added code to call reset block function
16434 (df_bb_refs_delete) Fixed comment.
16435 (df_insn_refs_delete): Made tolerant of deleting non existent info
16436 for dataflow problems that need to be reset.
16437 * df-core.c (df_set_blocks): Ditto.
16438 * df.h (struct df_problem): Added reset_fun.
16439 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16440 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16441 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16442 functions to clear out all references to def-use or use-def chains.
16444 2006-01-21 Ben Elliston <bje@au.ibm.com>
16446 * varasm.c (assemble_real): Initialise data array.
16448 2006-01-20 Paul Brook <paul@codesourcery.com>
16450 Merge from csl-arm-branch.
16451 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16452 * config/arm/arm.md (movdi): Force operands[1] to a register
16453 if we have a non-register source.
16454 (*arm_movdi, *movdf_soft_insn): Require that one of the
16455 operands be a register.
16456 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16457 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16459 2006-01-20 DJ Delorie <dj@redhat.com>
16461 * varasm.c (initializer_constant_valid_p): Allow pointers
16462 initialized from integer constants of lesser precision.
16463 (output_constant): Allow non-int-sized pointer modes to be
16464 initialized from integer constants.
16466 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16469 * cppdefault.h (struct default_include): Add multilib flag.
16470 * cppdefault.c (cpp_include_defaults): Set it.
16471 * c.opt (-imultilib): New option.
16472 * c-opts.c (imultilib): New.
16473 (c_common_handle_option): Handle -imultilib.
16474 (c_common_post_options): Likewise.
16475 * c-incpath.c (add_standard_paths, register_include_chains):
16477 * c-incpath.h (register_include_chains): Add extra parameter.
16478 * gcc.c (do_spec_1): Generate -imultilib option.
16479 (The Specs Language): Update %I description.
16480 (process_command): Update copyright notice.
16481 * doc/cppopts.texi (-imultilib): Document.
16482 * doc/invoke.texi (-imultilib): Include in option summary.
16483 (%I): Update specs documentation.
16485 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16487 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16489 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16491 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16494 2006-01-20 Richard Guenther <rguenther@suse.de>
16495 Steven Bosscher <stevenb.gcc@gmail.com>
16497 PR rtl-optimization/24626
16498 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16499 EDGE_TRUE_VALUE if in RTL mode.
16502 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16503 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16505 2006-01-20 Dirk Mueller <dmueller@suse.com>
16508 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16509 instead of a special NOP marker.
16510 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16511 NOP marker handling.
16512 * c-common.h (empty_body_warning): Add forward declaration.
16513 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16514 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16516 2006-01-20 Paul Brook <paul@codesourcery.com>
16518 * Makefile.in (lang_checks): Keep going if mkdir fails.
16520 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16522 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16523 be able to clean out basic block when not necessary.
16524 (df_scan_free): Fixed to properly delete information if df is
16525 unused before calling df_finish.
16526 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16527 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16529 (df_bb_refs_delete): New function.
16530 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16531 * df-core.c (df_set_blocks): Added code to properly clean out
16532 unused blocks if they are not part of the blocks to consider.
16533 Added additional null check.
16534 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16535 be able to clean out basic block when not necessary
16536 * df.h (df_free_bb_function): Ditto.
16537 (df_bb_refs_delete): New function.
16538 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16539 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16540 basic block parameter to be able to clean out basic block when not
16542 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16543 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16544 Fixed to properly delete information if df is unused before
16547 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16549 PR rtl-optimization/25799
16550 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16551 Corrected confluence operator to remove bits from op2 before oring
16552 with op1 rather than removing bits from op1.
16553 (df_ru_transfer_function): Corrected test on wrong bitmap which
16554 caused infinite loop. Both of these problems were introduced in
16555 the dataflow rewrite.
16557 2006-01-19 DJ Delorie <dj@redhat.com>
16559 * reload1.c (find_reload_regs): Note the details of reload
16560 failures in the dump file.
16561 (spill_failure): Likewise.
16563 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16565 * loop-iv.c: Include df.h and hashtab.h.
16566 (enum iv_grd_result): New enum.
16567 (DF_REF_IV, DF_REF_IV_SET): New macros.
16568 (struct biv_entry): New.
16569 (df, bivs): New global variables.
16570 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16571 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16573 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16574 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16575 analyzed_for_bivness_p, record_biv): New functions.
16576 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16577 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16578 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16580 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16582 (iv_number_of_iterations): Use new interface to iv analysis.
16583 * loop-unroll.c: Do not include varray.h.
16584 (analyze_iv_to_split_insn): Use new interface to iv
16586 * loop-unswitch.c (may_unswitch_on): Ditto.
16587 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16589 (df_bb_modify): Realloc tables to the new index.
16590 (df_find_use): New function.
16591 * df.h (df_find_use): Declare.
16592 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16594 * cfgloop.h (struct rtx_iv): Remove analysed field.
16595 (iv_get_reaching_def): Removed.
16596 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16597 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16598 (loop-iv.o): Add df.h and hashtab.h dependency.
16599 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16601 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16604 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16606 (__floatundisf, __floatundidf): Likewise.
16607 * libgcc2.h (IS_IBM_EXTENDED): Define.
16609 2006-01-19 DJ Delorie <dj@redhat.com>
16611 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16613 2006-01-19 Paul Brook <paul@codesourcery.com>
16615 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16616 as nothrow when unwinding tables are disabled.
16618 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16621 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16622 of bit-field" when in system header.
16624 2006-01-19 DJ Delorie <dj@redhat.com>
16626 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16627 the 16 bit shift limit of the m16c.
16629 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16632 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16633 * config/i386/i386.c (output_set_got): Output the label if we have one
16634 for the TARGET_DEEP_BRANCH_PREDICTION case.
16636 2006-01-19 Jan Hubicka <jh@suse.cz>
16637 H.J. Lu <hongjiu.lu@intel.com>
16638 Evandro Menezes <evandro.menezes@amd.com>
16640 * invoke.texi (generic): Document
16642 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16643 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16644 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16645 (x86_use_incdec, x86_pad_returns): New variables
16646 (TARGET_CPU_DEFAULT_generic): New constant
16647 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16648 (enum processor_type): Add generic32 and generic64.
16649 * i386.md (cpu attribute): Add generic32/generic64
16650 (movhi splitter): Behave sanely when both partial_reg_dependency and
16651 partial_reg_stall are set.
16652 (K8 splitters): Enable for generic as well.
16653 * predicates.md (incdec_operand): Use TARGET_INCDEC
16654 (aligned_operand): Avoid memory mismatch stalls.
16655 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16656 * ppro.md: Enable for generic32
16657 * i386.c (generic64_cost, generic32_cost): New.
16658 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16659 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16660 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16661 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16662 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16663 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16664 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16665 x86_accumulate_outgoing_args, x86_prologue_using_move,
16666 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16667 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16668 Enable for generic.
16669 (x86_use_incdec, x86_pad_returns): New.
16670 (override_options): Add generic32 and generic64, translate "generic"
16671 to generic32/generic64 and "i686" to "generic32", refuse
16672 "generic32"/"generic64" as arch target.
16673 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16674 (ix86_reorg): Honor PAD_RETURNS.
16676 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16678 * tree-pretty-print.c (dump_generic_node): Handle
16679 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16680 * cgraph.c (cgraph_expand_queue): Rename from
16681 cgraph_analyze_queue. Update all users.
16682 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16683 cgraph_expand_queue.
16684 (cgraph_expand_all_functions): Likewise.
16685 (cgraph_finalize_pending_functions): Remove. Update callers.
16687 * tree.h (OMP_DIRECTIVE_P): Define.
16688 (OMP_PARALLEL_FN): Define.
16689 (OMP_PARALLEL_DATA_ARG): Define.
16690 (OMP_SECTIONS_SECTIONS): Define.
16691 * tree-pass.h (pass_expand_omp): Declare.
16692 * omp-low.c (struct omp_region): Declare.
16693 (struct omp_context): Remove fields 'parallel_type',
16694 'parallel_start_ix' and 'parallel_start_additional_args'.
16696 (struct omp_for_data): Rename from struct expand_omp_for_data.
16697 (omp_regions): New static variable.
16698 (root_omp_region): New static variable.
16699 (find_omp_clause): Make static.
16700 (is_in_combined_parallel_ctx): Remove.
16701 (is_combined_parallel): New.
16702 (extract_omp_for_data): Move earlier in the file.
16703 (workshare_safe_to_combine_p): New.
16704 (get_ws_args_for): New.
16705 (determine_parallel_type): Move earlier in the file.
16706 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16708 (omp_copy_decl): Likewise.
16709 (create_omp_child_function): Likewise.
16710 (lookup_omp_region): New.
16711 (dump_omp_region): New.
16712 (debug_omp_region): New.
16713 (debug_all_omp_regions): New.
16714 (new_omp_region): New.
16715 (scan_omp_parallel): If parallel_nesting_level > 1, the
16716 directive is nested within another parallel directive.
16717 Set OMP_PARALLEL_FN.
16718 (scan_omp_for): Do not try to handle combined parallel+for
16720 Remove FIXME comment.
16721 (scan_omp_nested): Remove.
16722 (scan_omp_1): Do not call scan_omp_nested when
16723 parallel_nesting_level is > 1.
16724 Do not change the DECL_CONTEXT of local variables found.
16725 (lookup_decl_in_outer_ctx): New.
16726 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16727 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16728 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16729 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16730 If CTX is nested, lookup VAR in the outer context when
16731 building copy assignment.
16732 (lower_send_clauses): Rename from expand_send_clauses.
16733 If CTX is nested, lookup VAR in the outer context when
16734 building copy assignments.
16735 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16736 If CTX is nested, lookup VAR in the outer context when
16737 building copy assignments.
16738 (expand_parallel_call): Rename from build_parallel_call.
16739 Handle combined parallel+workshare cases.
16740 Re-implement to emit code into the CFG.
16742 (expand_omp_parallel): Re-implement to emit code into the CFG.
16743 Call move_sese_region_to_fn to outline the sub-graph
16744 containing the parallel region.
16745 (expand_omp_for_1): Remove.
16746 (expand_omp_for_generic): Re-implement to emit code into the
16748 (expand_omp_for_static_nochunk): Likewise.
16749 (expand_omp_for_static_chunk): Likewise.
16750 (expand_omp_for): Likewise.
16751 (expand_omp_sections): Likewise.
16752 (remove_exit_barriers): New.
16753 (expand_omp_synch): New.
16755 (build_omp_regions_1): New.
16756 (build_omp_regions): New.
16757 (execute_expand_omp): New.
16758 (gate_expand_omp): New.
16759 (pass_expand_omp): Define.
16760 (lower_omp_sections): Rename from expand_omp_sections.
16761 Set OMP_SECTIONS_SECTIONS.
16762 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16763 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16764 (lower_omp_single): Rename from expand_omp_simple.
16765 (lower_omp_master): Rename from expand_omp_master.
16766 (lower_omp_ordered): Rename from expand_omp_ordered.
16767 (lower_omp_critical): Rename from expand_omp_critical.
16768 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16769 (lower_omp_for): Re-implement.
16770 (lower_omp_parallel): Re-implement.
16771 (lower_regimplify): Rename from expand_regimplify.
16772 (lower_omp_1): Rename from expand_omp_1.
16773 If there are syntax errors in the program, replace every
16774 OpenMP directive with NOP.
16775 Call lower_omp_* instead of expand_omp_*.
16776 (lower_omp): Rename from expand_omp.
16778 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16779 * tree-gimple.h (enum omp_parallel_type): Remove.
16780 (gimple_boolify): Declare extern.
16781 (find_omp_clause, determine_parallel_type): Remove.
16783 * gimple-low.c (lower_omp_directive): New.
16784 (lower_stmt): Call it.
16785 (record_vars_into): Move from ...
16786 (record_vars): ... here.
16787 Call record_vars_into with current_function_decl.
16789 * gimplify.c (struct gimplify_ctx): Remove fields
16790 combined_pre_p and combined_ctxp. Update users.
16791 (get_formal_tmp_var): Add documentation.
16792 (gimple_boolify): Make extern.
16793 (gimplify_expr_in_ctx): Remove. Update callers.
16794 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16795 will always be a BIND_EXPR.
16796 (gimplify_expr): Handle OMP_RETURN_EXPR.
16797 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16798 (OMP_PARALLEL): Add 3 operands.
16799 (OMP_SECTIONS): Add 1 operand.
16800 (OMP_RETURN_EXPR): Define.
16802 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16803 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16804 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16805 creating a circular free list.
16806 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16808 * tree-flow.h (move_sese_region_to_fn): Declare.
16809 (record_vars_into): Declare.
16810 * tree-cfg.c (make_omp_sections_edges): New.
16811 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16812 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16813 OMP_SECTIONS and OMP_SECTION.
16814 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16815 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16816 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16817 (gather_blocks_in_sese_region): New.
16818 (struct move_stmt_d): Declare.
16819 (move_stmt_r): New.
16820 (move_block_to_fn): New.
16821 (move_sese_region_to_fn): New.
16823 * passes.c (init_optimization_passes): Schedule
16824 pass_expand_omp after pass_init_datastructures.
16826 * tree-ssa-operands.c (get_expr_operands): Handle
16827 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16828 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16830 2006-01-19 Jeff Law <law@redhat.com>
16832 * tree-vrp.c (extract_range_from_assert): Refine the result range
16833 if the variable referenced by the ASSERT_EXPR has a range and
16834 either the tentative result range or the previous range is a
16837 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16839 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16841 2006-01-19 Jan Hubicka <jh@suse.cz>
16843 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16845 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16847 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16848 (expand_compound_operation, expand_field_assignment): Fail if the
16849 bit lengths of an extract operation are out of range.
16850 (make_extraction): Compute wanted_inner_mode based on the position
16851 and length of the extraction. Make it extraction_mode for non-constant
16852 positions, and do not modify offset in that case. When generating a
16853 new MEM, use a mode that can hold the extraction while keeping correct
16854 alignment. Remove code that supported MEMs wrapped by USEs.
16855 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16857 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16859 * config/s390/s390.md ("Y", "y"): New mode attribute.
16860 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16861 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16862 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16863 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16864 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16865 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16866 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16867 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16868 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16869 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16870 "addsi3", "subsi3"): Insn patterns removed.
16871 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16872 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16873 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16874 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16875 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16876 "*sub<mode>3_cconly2"): New insn patterns.
16877 ("addsi3", "subsi3"): New expanders.
16879 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16881 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16882 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16883 existing STMT_VINFO_VECTYPE if available.
16884 (vect_mark_relevant): Add special handling for stmts that are
16885 marked as STMT_VINFO_IN_PATTERN_P.
16886 (vect_analyze_loop): Call vect_pattern_recog.
16887 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16888 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16890 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16891 (vect_recog_func_ptr): New function-pointer type.
16892 * tree-vect-patterns.c: New file.
16893 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16894 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16895 (vect_pattern_recog_1): New functions.
16896 (vect_pattern_recog_funcs): New array of function pointers.
16898 * tree-vectorizer.h (ternary_op): New enum value.
16899 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16900 declaration. Revised documentation. Removed redundant dump prints.
16901 Removed redundant argument. Added support for reduction patterns.
16902 (vectorizable_reduction): Added support for reduction patterns.
16903 (vect_transform_stmt): Added support for patterns.
16905 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16906 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16907 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16908 (expand_widen_pattern_expr): New function.
16909 (init_optabs): Initialize new optabs udot_prod_optab,
16911 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16912 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16913 (expand_widen_pattern_expr): New function declaration.
16914 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16916 * tree-inline.c (estimate_num_insns_1): Added cases for new
16917 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16918 * tree-pretty-print.c (dump_generic_node): Likewise.
16919 (op_prio): Likewise.
16920 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16921 * tree-ssa-operands.c (get_expr_operands): Added case for
16923 * tree-vect-patterns.c (widened_name_p): New function.
16924 (vect_recog_dot_prod_pattern): Added function implementation.
16925 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16926 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16927 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16928 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16930 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16931 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16932 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16933 (init_optabs): Initialize new optabs widen_ssum_optab,
16935 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16936 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16937 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16938 use instead of type of def.
16939 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16940 function implementation.
16941 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16942 widen_ssumv8hi): New.
16944 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16947 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16950 * c-decl.c (add_flexible_array_elts_to_size): New function.
16951 (finish_decl): Use it.
16953 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16955 * diagnostic.h: Include options.h.
16956 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16957 dependancies for diagnostic.h.
16958 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16960 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16962 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16963 (ssa_ro_call_cache_valid): Ditto.
16964 * tree-ssa-alias.c (sort_tags_by_id): New function.
16965 (init_transitive_clobber_worklist): Ditto.
16966 (add_to_worklist): Ditto.
16967 (mark_aliases_call_clobbered): Ditto.
16968 (compute_tag_properties): Ditto.
16969 (set_initial_properties): Ditto.
16970 (compute_call_clobbered): Ditto.
16971 (compute_may_aliases): Call compute_call_clobbered and grouping.
16972 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16973 (compute_flow_insensitive_aliasing): Grouping now happens in our
16975 (setup_pointers_and_addressables): Remove clobbering related code.
16976 (add_may_alias): Ditto.
16977 (replace_may_alias): Ditto.
16978 (get_nmt_for): Ditto.
16979 (create_global_var):
16980 (is_escape_site): Return an escape_type enumeration.
16981 * tree-flow-inline.h (is_call_clobbered): Global var does not
16982 imply call clobbered.
16983 (mark_call_clobbered): Take a reason for marking this. Remove
16984 marking of globalness, and cache invalidation.
16985 (clear_call_clobbered): Remove cache invalidation code.
16986 * tree-dfa.c (dump_variable): If details is on, dump the reason
16988 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16990 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16991 (struct var_ann_d): Ditto.
16992 (enum escape_type): New.
16993 (mark_call_clobbered): Adjust prototype.
16994 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16995 are never call clobbered.
16996 Record reasons for escaping.
16997 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16998 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16999 (ssa_ro_call_cache_valid): Ditto.
17000 (clobbered_v_may_defs): Ditto.
17001 (clobbered_vuses): Ditto.
17002 (ro_call_vuses): Ditto.
17003 (clobber_stats): New.
17004 (init_ssa_operands): Zero out clobber stats.
17005 (fini_ssa_operands): Print out clobber stats.
17006 (get_call_expr_operands): Pass callee fndecl to
17007 add_call_read_ops).
17008 (add_call_clobber_ops): Remove use of cache.
17009 Add use of PURE_CONST information.
17010 (add_call_read_ops): Remove use of cache.
17011 Add use of static not_read information.
17013 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17015 Introduce TLS descriptors for i386 and x86_64.
17016 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17017 (TARGET_ANY_GNU_TLS): New macro.
17018 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17019 (struct machine_function): Add tls_descriptor_call_expanded_p.
17020 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17021 (ix86_current_function_calls_tls_descriptor): Likewise.
17022 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17023 (override_options): Introduce gnu2 tls dialect.
17024 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17026 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17028 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17029 (ix86_init_machine_status): Initialize new field.
17030 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17031 (ix86_tls_module_base): New.
17032 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17033 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17034 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17035 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17036 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17037 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17038 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17039 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17040 * config/i386/predicates.md (tls_modbase_operand): New.
17041 (tp_or_register_operand): New.
17043 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17045 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17046 (look_for_address_of): Ditto.
17047 (ipa_init): Walk the function decls.
17048 (static_execute): Don't set readonly on FUNCTION_DECL's.
17050 2006-01-18 Roger Sayle <roger@eyesopen.com>
17052 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17053 for shifts where the source and destination registers are different.
17055 2006-01-18 Paul Brook <paul@codesourcery.com>
17057 Merge from csl-arm-branch.
17058 2005-03-14 Julian Brown <julian@codesourcery.com>
17059 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17060 (aeabi_llsl): Likewise.
17061 (ashrdi3): Likewise.
17062 (aeabi_lasr): Likewise.
17063 (lshrdi3): Likewise.
17064 (aeabi_llsr): Likewise.
17065 2005-03-10 Julian Brown <julian@codesourcery.com>
17066 * config.gcc: Disable shared libgcc for SymbianOS.
17067 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17069 2006-01-18 DJ Delorie <dj@redhat.com>
17071 * c-pragma.c (handle_pragma_diagnostic): New.
17072 (init_pragma): Register it.
17073 * doc/extend.texi: Document it.
17075 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17076 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17077 (diagnostic_context): Add classify_diagnostic[].
17078 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17079 as errors if they're overridden to DK_WARNING.
17080 (diagnostic_initialize): Initialize classify_diagnostic[].
17081 (diagnostic_set_kind_override): New.
17082 (diagnostic_report_diagnostic): Check for kind changes.
17083 * opts.c (common_handle_option): Take lang_mask. Update callers.
17084 Handle OPT_Werror_.
17085 * common.opt (Werror=): New.
17086 * doc/invoke.texi: Document -Werror=*
17088 2006-01-18 Jeff Law <law@redhat.com>
17090 * tree-vrp.c (test_for_singularity): Correct test for new
17091 min limit. Use operand_equal_p rather than pointer equality
17092 for testing if new min/max values are equal.
17094 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17095 using range information until after propagation and folding.
17097 2006-01-18 Richard Henderson <rth@redhat.com>
17098 Aldy Hernandez <aldyh@redhat.com>
17099 Jakub Jelinek <jakub@redhat.com>
17100 Diego Novillo <dnovillo@redhat.com>
17102 * omp-low.c: New file.
17103 * c-omp.c: New file.
17105 2006-01-18 Richard Henderson <rth@redhat.com>
17106 Jakub Jelinek <jakub@redhat.com>
17107 Diego Novillo <dnovillo@redhat.com>
17109 * doc/invoke.texi: Document -fopenmp.
17110 * tree-dump.h (debug_function): Declare.
17111 * hooks.c (hook_bool_tree_bool_false): New function.
17112 (hook_tree_tree_null): Remove.
17113 (hook_tree_tree_tree_null): New.
17114 * hooks.h: Update to match.
17115 * tree-pretty-print.c (debug_tree_chain): New.
17116 (print_generic_expr): Handle TDF_CHAIN.
17117 (dump_generic_node): Handle BLOCK.
17118 Do not abort with incomplete SWITCH_EXPRs.
17119 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17120 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17121 print space after directive name.
17122 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17123 Handle OMP_MASTER and OMP_ORDERED.
17124 Handle printing of OMP_BODY just in one place, goto
17125 dump_omp_body in the rest of OMP_* nodes that have
17127 Don't handle clause nodes here. Update omp statements to
17128 use dump_omp_clauses.
17129 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17130 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17131 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17132 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17133 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17134 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17135 Adjust output for GOMP_PARALLEL.
17136 (dump_omp_clauses): New.
17137 (print_declaration): Dump DECL_VALUE_EXPR.
17138 (op_symbol_1): Split out of op_symbol.
17139 (dumping_stmts): Remove. Update all users.
17140 * cgraph.c (cgraph_analyze_queue): New.
17141 (cgraph_add_new_function): New.
17142 * cgraph.h (cgraph_analyze_queue): Declare.
17143 (cgraph_add_new_function): Declare.
17144 (cgraph_lower_function): Remove.
17145 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17146 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17147 and TYPE_P nodes in its default clause.
17148 (empty_body_p): New.
17149 (tree_range_check_failed): New.
17150 (build5_stat): New.
17151 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17152 OMP_CLAUSE_REDUCTION_MERGE,
17153 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17154 OMP_CLAUSE_PRIVATE_DEBUG,
17155 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17156 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17157 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17158 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17159 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17160 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17161 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17162 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17163 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17164 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17165 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17166 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17167 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17168 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17169 (TREE_RANGE_CHECK): New.
17170 (empty_body_p): Declare.
17171 (enum omp_clause_default_kind): New.
17172 (build_string_literal): Declare.
17173 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17174 (build5_stat, build5): Declare.
17175 * tree-pass.h (TDF_CHAIN): Define.
17176 * tree-pass.h (PROP_gimple_lomp): Define.
17177 (pass_lower_omp): Declare.
17178 * diagnostic.h (debug_tree_chain): Declare.
17179 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17181 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17182 * builtins.c (build_string_literal): Make extern.
17183 * gcc.c (include_spec_function): New.
17184 (static_spec_functions): Add it.
17185 (main): Move load of libgomp.spec ...
17186 (LINK_COMMAND_SPEC): ... here.
17187 (link_gomp_spec): New.
17188 (static_specs): Include it.
17189 (LINK_COMMAND_SPEC): Add link_gomp.
17190 (GOMP_SELF_SPECS): New.
17191 (driver_self_specs): Include it.
17192 (switch_matches): Don't mark inline.
17193 (main): Load libgomp.spec.
17194 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17195 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17196 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17197 * tree-gimple.h (enum omp_parallel): Declare.
17198 (determine_parallel_type): Declare.
17199 (omp_firstprivatize_variable): Declare.
17200 (omp_reduction_init): Declare.
17201 (diagnose_omp_structured_block_errors): Declare.
17202 (struct walk_stmt_info): Add want_return_expr.
17203 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17204 (find_omp_clause): Declare.
17205 (insert_field_into_struct): Declare.
17206 (struct walk_stmt_info): Move from tree-nested.c
17207 (walk_stmts): Declare.
17208 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17210 * cgraphunit.c (cgraph_lower_function): Make static.
17211 (cgraph_finalize_pending_functions): New.
17212 (cgraph_finalize_function): Call it.
17213 (cgraph_finalize_compilation_unit): Likewise.
17214 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17215 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17216 (BT_FN_UINT_UINT): New.
17217 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17218 DEF_FUNCTION_TYPE_VAR_4): Document.
17219 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17220 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17221 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17222 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17223 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17224 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17225 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17226 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17227 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17228 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17229 into separate files.
17230 (DEF_GOMP_BUILTIN): New.
17231 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17232 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17233 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17234 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17235 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17236 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17237 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17238 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17239 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17240 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17241 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17242 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17243 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17244 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17245 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17246 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17247 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17248 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17249 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17250 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17251 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17252 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17253 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17254 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17255 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17256 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17257 * sync-builtins.def: New file, moved from builtins.def.
17258 * omp-builtins.def: New file, moved from builtins.def.
17259 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17260 * gimple-low.c (lower_function_body): Clear data.
17261 (lower_stmt): Do not handle COMPOUND_EXPR.
17262 Remove call to print_node_brief.
17263 * c-tree.h (c_finish_omp_clauses): New prototype.
17264 (C_DECL_THREADPRIVATE_P): Define.
17265 (lookup_name_no_remap, c_omp_remap_private): Remove
17266 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
17267 (check_for_loop_decls): Update decl.
17268 (lookup_name_no_remap, c_omp_remap_private): Declare.
17269 (build_indirect_ref, build_modify_expr, pushdecl,
17270 pushdecl_top_level): Move to c-common.h.
17271 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
17272 before the switch, but just in the 2 places that need it.
17273 * c-decl.c (diagnose_mismatched_decls): Do not check for
17274 mismatched thread-local attributes when OLDDECL is marked
17275 threadprivate and NEWDECL has no thread-local attributes.
17276 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
17277 (c_gimple_diagnostics_recursively): Rename from
17278 c_warn_unused_result_recursively. Invoke
17279 diagnose_omp_structured_block_errors.
17280 (check_for_loop_decls): Return a singular decl found.
17281 * langhooks.c (lhd_omp_predetermined_sharing): Return
17282 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
17283 (lhd_omp_firstprivatize_type_sizes): New.
17284 (lhd_omp_assignment): New.
17285 (lhd_omp_predetermined_sharing): New.
17286 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
17287 (struct lang_hooks_for_types): Add
17288 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
17289 omp_predetermined_sharing, omp_disregard_value_expr,
17290 omp_private_debug_clause, omp_clause_default_ctor,
17291 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
17292 (c_finish_omp_clauses): New.
17293 (c_finish_bc_stmt): Diagnose break within omp for.
17294 (c_begin_omp_parallel, c_finish_omp_parallel): New.
17295 (build_unary_op): Return error_mark after reporting
17297 (build_modify_expr): Likewise.
17298 * gimplify.c: Include optabs.h and pointer-set.h.
17299 (enum gimplify_omp_var_data): Declare.
17300 (struct gimplify_omp_ctx): Declare.
17301 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
17303 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
17304 (push_gimplify_context, pop_gimplify_context): Allow nesting.
17305 (splay_tree_compare_decl_uid): New.
17306 (new_omp_context): New.
17307 (delete_omp_context): New.
17308 (gimple_add_tmp_var): Call omp_add_variable.
17309 (gimplify_bind_expr): Likewise.
17310 (gimplify_var_or_parm_decl): If omp_notice_variable returned
17311 true, disregard DECL_VALUE_EXPR on the decl if any.
17312 (gimplify_expr_in_ctx): New.
17313 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
17314 omp_add_variable, omp_notice_variable, omp_is_private
17315 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
17316 gimplify_adjust_omp_clauses, gimplify_omp_parallel
17317 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
17318 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
17319 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
17320 gimplify_omp_atomic): New.
17321 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17322 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17323 OMP_CRITICAL and OMP_ATOMIC.
17324 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
17325 * c-pragma.h (enum pragma_kind): Add
17326 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
17327 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
17328 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
17329 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
17330 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
17331 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
17332 PRAGMA_OMP_THREADPRIVATE.
17333 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
17334 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
17335 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
17336 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
17337 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
17338 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
17339 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
17340 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
17341 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
17342 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
17343 * tree-ssa-dce.c (find_control_dependence): Do not assume that
17344 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
17345 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
17347 (struct nesting_info): Add field_map,
17348 suppress_expansion, debug_var_chain.
17349 (create_nesting_tree): Initialize them.
17350 (lookup_field_for_decl): Use field_map.
17351 (get_nonlocal_debug_decl, get_local_debug_decl): New.
17352 (convert_local_omp_clauses): New.
17353 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
17354 (walk_body): Split out of walk_function.
17355 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
17356 (convert_nonlocal_reference): Handle omp statements.
17357 (convert_local_reference): Likewise.
17358 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
17359 (unnest_nesting_tree): New.
17360 (lower_nested_functions): Call it.
17361 (insert_field_into_struct): Make extern.
17362 (struct walk_stmt_info): Move to tree-gimple.h.
17363 (walk_stmts): Make extern.
17364 * omp-builtins.def: New file.
17365 * tree-iterator.c (expr_only): Clarify comment.
17366 * c-common.h (pushdecl_top_level, pushdecl,
17367 build_modify_expr, build_indirect_ref,
17368 c_finish_omp_master, c_finish_omp_critical,
17369 c_finish_omp_ordered, c_finish_omp_barrier,
17370 c_finish_omp_atomic, c_finish_omp_flush,
17371 c_finish_omp_for, c_split_parallel_clauses,
17372 omp_clause_default_kind, c_omp_sharing_predetermined,
17373 c_omp_remap_decl): Declare.
17374 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17375 (OBJS-common): Add omp-low.o.
17376 (c-omp.o, omp-low.o): Add.
17377 (gimplify.o): Add dependency on $(OPTABS_H).
17378 (GTFILES): Add omp-low.c.
17379 (gt-stringpool.h): Add.
17380 * tree-cfg.c (set_bb_for_stmt): Do not update the
17381 block-to-labels map if we are currently expanding to RTL.
17382 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17384 Handle IDENTIFIER_NODE.
17385 (tree_verify_flow_info): Do not ICE when emitting error
17386 messages about invalid labels.
17387 (dump_function_to_file): Reset CFUN before emitting the body
17389 (debug_function): New.
17390 * passes.c (init_optimization_passes): Schedule
17392 * langhooks-def.h (lhd_omp_predetermined_sharing,
17393 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17395 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17396 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17397 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17398 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17399 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17400 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17401 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17402 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17403 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17404 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17405 (LANG_HOOK_DECLS): Use them.
17407 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17408 Richard Henderson <rth@redhat.com>
17409 Jakub Jelinek <jakub@redhat.com>
17410 Diego Novillo <dnovillo@redhat.com>
17412 * c-parser.c (pragma_omp_clause): Define.
17413 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17414 (c_parser_compound_statement): Likewise.
17415 (c_parser_statement): Likewise.
17416 (c_parser_pragma): Handle omp pragmas.
17417 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17418 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17419 (c_parser_omp_clause_name, check_no_duplicate_clause,
17420 c_parser_omp_variable_list,
17421 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17422 c_parser_omp_clause_copyprivate,
17423 c_parser_omp_clause_default,
17424 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17425 c_parser_omp_clause_lastprivate,
17426 c_parser_omp_clause_nowait,
17427 c_parser_omp_clause_num_threads,
17428 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17429 c_parser_omp_clause_reduction,
17430 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17431 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17432 c_parser_omp_atomic, c_parser_omp_barrier,
17433 c_parser_omp_critical, c_parser_omp_flush,
17434 c_parser_omp_for_loop, c_parser_omp_for,
17435 c_parser_omp_master, c_parser_omp_ordered,
17436 c_parser_omp_sections_scope, c_parser_omp_sections,
17437 c_parser_omp_parallel, c_parser_omp_single,
17438 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17439 * c-pragma.c (init_pragma): Do omp pragma registration here.
17440 * c.opt (fopenmp): New flag.
17442 2006-01-18 Eric Christopher <echristo@apple.com>
17444 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17445 * config/darwin.h (GOMP_SELF_SPECS): Define.
17447 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17449 * rtl.h: Remove the prototype for reg_alloc.
17451 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17454 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17455 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17456 sjlj and dwarf2 exception handling.
17457 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17458 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17459 * pa/pa.c (function_value): Treat complex and vector types as
17461 (function_arg): Likewise. Only pass scalar floats in the floating
17462 point argument registers.
17463 * pa/t-slibgcc-dwarf-ver: New file.
17464 * pa/t-slibgcc-sjlj-ver: New file.
17465 * pa/t-slibgcc-elf-ver: Delete file.
17467 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17469 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17470 unlikely_test_section_p test.
17472 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17474 * mode-switching.c (optimize_mode_switching): Make it static.
17475 * basic-block.h: Remove the prototype for
17476 optimize_mode_switching.
17478 * modulo-sched.c (sms_schedule): Make it static.
17479 * rtl.h: Remove the prototype for sms_schedule.
17481 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17482 * rtl.h: Remove the prototype for gcse_after_reload_main.
17484 * reg-stack.c (reg_to_stack): Make it static.
17485 * rtl.h: Remove the prototype for reg_to_stack.
17487 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17489 * rtl.h: Remove the prototypes for regrename_optimize and
17490 copyprop_hardreg_forward.
17492 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17494 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17495 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17496 Test against the appropriate null constant for the mode.
17497 If 'fixup_overlap' is true, swap the operands if they overlap.
17498 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17499 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17500 alpha_split_tmode_pair and adjust for above change.
17501 * config/alpha/alpha.md (movtf_internal): Adjust call to
17502 alpha_split_tfmode_pair and rely on it to swap the operands.
17503 (movti_internal): New insn and post-reload splitter.
17504 (movti): New expander.
17506 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17508 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17511 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17513 * rtlanal.c (global_reg_mentioned_p_1,
17514 global_reg_mentioned_p): Remove.
17515 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17517 * flow.c (initialize_uninitialized_subregs): Make it static.
17518 * rtl.h: Remove the prototype for
17519 initialize_uninitialized_subregs.
17521 * function.c (instantiate_virtual_regs): Make it static.
17522 * function.h: Remove the prototype for
17523 instantiate_virtual_regs.
17525 * regmove.c (regmove_optimize, combine_stack_adjustments):
17527 * rtl.h: Remove the prototypes for regmove_optimize and
17528 combine_stack_adjustments.
17530 2006-01-17 Roger Sayle <roger@eyesopen.com>
17532 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17533 (size_cost): Encode costs in bytes so that a reg-reg addition is
17534 equivalent to COSTS_N_INSNS(1).
17535 (override_options): Use the size_cost.branch_cost as the default
17536 ix86_branch_cost when optimizing for size.
17538 2006-01-18 Ben Elliston <bje@au.ibm.com>
17540 * Makefile.in (D32PBIT_FUNCS): New.
17541 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17542 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17543 D64PBIT_FUNCS and D128PBIT_FUNCS.
17544 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17545 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17547 (decnumber_dep): Define.
17548 * doc/libgcc.texi (Decimal float library routines): New node.
17549 * config/dfp-bit.h, config/dfp-bit.c: New files.
17551 2006-01-18 Ben Elliston <bje@au.ibm.com>
17553 * expr.c (emit_move_change_mode): Always adjust addresses, not
17554 just during reload. Copy replacements only during reload.
17555 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17556 emit_move_via_integer.
17558 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17560 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17561 instead of $(srcdir) and ${srcdir}.
17563 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17566 PR middle-end/11135
17567 * arm.h (struct machine_function): Add pic_reg.
17568 * arm.c (arm_pic_register): Make unsigned.
17569 (arm_override_options): Only set arm_pic_register if
17570 TARGET_SINGLE_PIC_BASE.
17571 (use_return_insn): Only test for a pic register if it is fixed.
17572 (arm_compute_save_reg0_reg12_mask): Likewise.
17573 (thumb_compute_save_reg_mask): Likewise.
17574 (legitimate_pic_operand): Factor out some known invariants.
17575 (legitimize_pic_address): If we don't have a fixed pic register,
17576 then set up a pseudo in the function entry sequence. Handle the
17577 pic base being in a pseudo.
17578 (arm_load_pic_register): Handle the pic register being in a pseudo.
17579 (arm_expand_prologue): Only set up the pic register if it is fixed.
17580 (thumb_expand_prologue): Likewise.
17581 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17582 (pic_load_addr_based_insn): Likewise.
17583 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17586 2006-01-18 Ben Elliston <bje@au.ibm.com>
17588 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17589 decimal float modes for all floating point registers.
17591 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17592 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17594 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17597 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17598 even when the pointer is not NULL.
17600 2006-01-16 Ian Lance Taylor <ian@airs.com>
17602 * common.opt (ftoplevel-reorder): New option.
17603 * cgraph.c (cgraph_asm_nodes): New global variable.
17604 (cgraph_asm_last_node): New static variable.
17605 (cgraph_order): New global variable.
17606 (cgraph_create_node): Set new order field.
17607 (cgraph_varpool_node): Likewise.
17608 (decide_is_variable_needed): Return true if not
17609 flag_toplevel_reorder.
17610 (cgraph_add_asm_node): New function.
17611 * cgraph.h (struct cgraph_node): Add order field.
17612 (struct cgraph_varpool_node): Add order field.
17613 (struct cgraph_asm_node): Define.
17614 (cgraph_asm_nodes, cgraph_order): Declare.
17615 (cgraph_add_asm_node): Declare.
17616 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17618 (cgraph_varpool_assemble_pending_decls): Call it.
17619 (cgraph_output_pending_asms): New static function.
17620 (cgraph_finalize_compilation_unit): Call it.
17621 (struct cgraph_order_sort): Define.
17622 (cgraph_output_in_order): New static function.
17623 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17624 !flag_toplevel_reorder case.
17625 * c-parser.c: Include "cgraph.h".
17626 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17628 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17629 than -fno-unit-at-a-time.
17630 * doc/invoke.texi (Option Summary): Mention
17631 -fno-toplevel-reorder.
17632 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17633 -funit-at-a-time documentation.
17635 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17636 Kazu Hirata <kazu@codesourcery.com>
17638 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17640 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17642 * Makefile.in (FUNCTION_H): New. Use it instead of
17643 function.h throughout the file.
17644 * function.h: Include tree.h.
17646 2006-01-17 Ben Elliston <bje@au.ibm.com>
17648 * recog.c: Separate some functions with whitespace.
17650 2006-01-16 Richard Henderson <rth@redhat.com>
17652 Merge from gomp branch:
17653 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17654 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17655 and rename from struct inline_data. Rename callee* to dst*;
17656 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17657 transform_new_cfg, transform_return_to_modify, and
17658 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17660 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17661 (copy_decl_for_dup): Remove.
17662 * tree-inline.c (struct inline_data): Move to header.
17663 (insert_decl_map): Export.
17664 (remap_decl): Update for member name changes. Use copy_decl hook.
17665 Allow for replacement to be a non-decl. Remove dead code.
17666 (remap_type_1): Check for existing mapping.
17667 (remap_type): Export.
17668 (remap_decls): Update for member name changes.
17669 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17670 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17671 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17672 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17673 (tree_function_versioning, build_duplicate_type): Likewise.
17674 (copy_body_r): Likewise. Export.
17675 (copy_decl_for_dup): Split into ...
17676 (copy_decl_for_dup_finish, copy_decl_to_var,
17677 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17678 (replace_ref_tree, inlining_p): Remove.
17680 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17682 * ifcvt.c (if_convert): Make it static.
17683 * rtl.h: Remove the prototype for if_convert.
17685 * local-alloc.c (local_alloc): Make it static.
17686 * rtl.h: Remove the prototype for local_alloc.
17688 * loop.c (loop_optimize): Make it static.
17689 * cfgloop.h: Remove the prototype for loop_optimize.
17692 2006-01-16 DJ Delorie <dj@redhat.com>
17694 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17697 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17699 * pa.md: Disparage copies between general and floating-point registers
17700 in 32-bit move patterns.
17702 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17705 * Makefile.in (check-%): Depend on site.exp instead of
17706 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17709 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17711 * global.c (global_alloc): Make it static.
17712 * rtl.h: Remove the prototype for global_alloc.
17714 2006-01-16 Richard Guenther <rguenther@suse.de>
17716 * tree-ssa-alias.c (struct used_part): Add write_only field.
17717 (get_or_create_used_part_for): Initialize it to true.
17718 (create_overlap_variables_for): Don't create structure variables
17719 for structures that only are written to.
17720 (find_used_portions): Handle MODIFY_EXPR to track whether a
17721 structure is only written to.
17723 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17725 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17727 * basic-block.h: Remove the prototype for
17728 partition_hot_cold_basic_blocks.
17730 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17732 * cppspec.c (lang_specific_spec_functions): Remove.
17733 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17734 * gcc.h (lang_specific_spec_functions): Remove.
17735 * gccspec.c (lang_specific_spec_functions): Remove.
17737 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17739 * combine.c (record_value_for_reg): Invalidate registers
17741 (record_dead_and_set_regs_1): Likewise, by passing them to
17742 record_value_for_reg.
17743 (record_dead_and_set_regs): Invalidate stores made by a
17744 call. We do not combine across a call, but we still
17745 relied on equivalences.
17747 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17749 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17750 vrp_int_const_binop returning non-constant nodes.
17752 2006-01-16 Paul Brook <paul@codesourcery.com>
17754 * config/m68k/m68k.c (output_move_const_into_data_reg):
17755 Output correct mnemonic for mvz and mvs.
17757 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17759 * rtl-factoring.c: Add sequence abstraction algorithm.
17760 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17761 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17763 (block_has_preserve_label): New function.
17764 * common.opt: Register new pass.
17765 * Makefile.in: Ditto.
17767 * timevar.def: Ditto.
17768 * tree-pass.h: Ditto.
17769 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17770 * rtl.h (make_jump_insn_raw): Add forward decl.
17771 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17773 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17774 Roger Sayle <roger@eyesopen.com>
17776 * fold-const.c (fold_minmax): New static function.
17777 (fold_binary) <MIN_EXPR>: Call it.
17778 <MAX_EXPR>: Likewise.
17779 * stor-layout.c (place_field): Use DECL_SIZE consistently
17780 in the computation of the new record size.
17782 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17784 * cse.c (cse_condition_code_reg): Make it static.
17785 * rtl.h: Remove the prototype for cse_condition_code_reg.
17787 * combine.c (combine_instructions): Make it static.
17788 * rtl.h: Remove the prototype for combine_instructions.
17790 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17793 * tree.c (get_file_function_name_long): Concatenate the first global
17794 object name with a string derived from the input filename of the object
17797 2006-01-16 Ben Elliston <bje@au.ibm.com>
17799 * config/i386/winnt-stubs.c: Update FSF address.
17800 * config/xtensa/ieee754-df.S: Ditto.
17801 * config/xtensa/ieee754-sf.S: Ditto.
17803 2006-01-14 Ian Lance Taylor <ian@airs.com>
17805 * ifcvt.c (noce_init_if_info): New static function, broken out of
17806 noce_process_if_block.
17807 (noce_process_if_block): Call noce_init_if_info.
17808 (check_cond_move_block): New static function.
17809 (cond_move_process_if_block): New static function.
17810 (process_if_block): Call cond_move_process_if_block.
17812 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17814 * cselib.c (hash_table): Rename to cselib_hash_table.
17815 (cselib_clear_table, discard_useless_values,
17816 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17817 cselib_init, cselib_finish): Adjust uses of hash_table.
17819 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17821 PR tree-optimization/25485
17822 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17823 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17824 is known to be false and true, respectively.
17826 2006-01-14 Richard Guenther <rguenther@suse.de>
17828 PR tree-optimization/22548
17829 PR tree-optimization/22555
17830 PR tree-optimization/22501
17831 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17832 * params.def (salias-max-array-elements): New parameter.
17833 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17834 * doc/invoke.texi (salias-max-array-elements): Document.
17835 * tree-flow-inline.h (var_can_have_subvars): We also handle
17837 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17839 * tree-ssa-structalias.c (params.h): Include.
17840 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17841 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17842 (get_constraint_for): For ADDR_EXPR operating on something
17843 containing an ARRAY_REF, add all subvars to the solution.
17844 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17845 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17846 for creating MUST_DEFs.
17847 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17849 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17851 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17853 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17854 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17855 number_of_iterations_le): New functions.
17856 (number_of_iterations_special): Removed.
17857 (number_of_iterations_exit): Do not use number_of_iterations_special.
17858 * tree.c (unsigned_type_for): Always return integer type.
17860 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17861 Richard Guenther <rguenther@suse.de>
17863 PR rtl-optimization/24257
17864 * gcse.c (find_moveable_store): Only consider a store movable
17865 when the SET_SRC of the insn can be assigned to a register.
17867 2006-01-14 Ian Lance Taylor <ian@airs.com>
17869 * tree.c (tree_not_class_check_failed): New function.
17870 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17871 (tree_not_class_check_failed): Declare.
17873 2006-01-13 Ian Lance Taylor <ian@airs.com>
17875 * reload1.c (do_output_reload): Add assertion rejecting a
17878 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17880 * combine.c (struct reg_stat): Add new fields truncation_label and
17882 (record_value_for_reg): Reset truncated_to_mode.
17883 (record_truncated_value): New function.
17884 (check_promoted_subreg): Call it. Rename to check_conversions.
17885 (combine_instructions): Rename check_promoted_subreg to
17887 (reg_truncated_to_mode): New function.
17888 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17889 (gen_lowpart_or_truncate): New function.
17890 (force_to_mode): Use it instead of gen_lowpart.
17892 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17894 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17895 VAR is a tag, not its type tag.
17897 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17899 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17900 alternatives to match style of other entries.
17901 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17903 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17905 PR tree-optimization/25771
17906 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17909 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17912 * tree-inline.c (declare_return_variable): If the return variable
17913 was marked as a non gimple complex, set the return slot variable
17914 to be a non gimple comple variable.
17916 2006-01-13 Richard Guenther <rguenther@suse.de>
17918 * builtins.c (expand_builtin_sincos): New function.
17919 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17921 (expand_builtin): Expand sincos using expand_builtin_sincos.
17923 2006-01-12 DJ Delorie <dj@redhat.com>
17925 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17926 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17927 so that constant shifts can be split.
17928 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17929 (m32c_valid_pointer_mode): Make static.
17930 (shift_gen_func_for): New.
17931 (m32c_prepare_shift): Use it. Split large const shifts into
17933 * config/m32c/predicates.md (shiftcount_operand): Allow more
17935 (longshiftcount_operand): New.
17936 * doc/md.texi (Machine Constraints): Document In6.
17938 2006-01-13 Ben Elliston <bje@au.ibm.com>
17940 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17941 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17944 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17946 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17947 to try to avoid clobbering pieces of structures when we know
17948 something about the whole structure.
17949 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17951 2006-01-13 Ben Elliston <bje@au.ibm.com>
17953 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17954 return in memory, as this is no limitation is no longer present.
17956 2006-01-12 DJ Delorie <dj@redhat.com>
17958 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17959 mova with fb, and for fb+0 -> An.
17961 * config/m32c/mov.md (peephole2): Fix enabling logic.
17963 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17964 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17965 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17966 FINI_ARRAY_SECTION_ASM_OP): Define.
17968 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17970 (m32c_legitimize_reload_address): New logic to reload FB to An.
17971 (m32c_output_reg_push): Add newline.
17972 (m32c_output_reg_pop): Likewise.
17974 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17976 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17978 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17980 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17982 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17984 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17987 2006-01-11 Ben Elliston <bje@au.ibm.com>
17989 * rtlanal.c (find_reg_note): Assert insn is not null.
17991 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17993 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17996 2006-01-11 Jeff Law <law@redhat.com>
17998 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18000 (mark_threaded_blocks, register_jump_thread): New functions.
18001 (thread_through_all_blocks): Remove unwanted argument. No
18002 longer rely on e->aux to communicate thread target info.
18003 Call mark_threaded_blocks. Release the threaded_blocks
18004 bitmap and threaded_edges vector when complete.
18005 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18006 (threaded_blocks): Remove.
18007 (tree_ssa_dominator_optimize): Remove initialization and
18008 finalization of threaded_blocks. Simplify call to
18009 thread_through_all_blocks.
18010 (thread_across_edge): Call register_jump_thread rather than
18011 storing thread information into e->aux.
18012 (free_all_edge_infos): Simplify now that e->aux is no longer
18013 used to communicate with thread_through_all_blocks.
18014 * tree-flow.h (thread_through_all_blocks): Update prototype.
18015 (register_jump_thread): Prototype.
18017 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18019 * df-core.c (df_compact_blocks, df_bb_replace): Use
18020 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18022 2006-01-11 Richard Guenther <rguenther@suse.de>
18024 PR tree-optimization/25734
18025 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18026 stop propagation after successful propagation to the LHS.
18028 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18030 * basic-block.h (control_flow_graph): Change the type of
18031 x_basic_block_info to VEC(basic_block,gc) *.
18032 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18034 (SET_BASIC_BLOCK): New.
18035 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18036 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18037 * cfgbuild.c (find_basic_blocks): Likewise.
18038 * cfglayout.c (fixup_reorder_chain): Likewise.
18039 * cfgrtl.c (create_basic_block_structure,
18040 rtl_create_basic_block): Likewise.
18041 * ifcvt.c (find_if_case_1): Likewise.
18042 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18045 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18047 * Makefile.in: Removed rotted odf.c entry.
18049 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18052 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18053 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18054 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18055 output pattern modifier, not %e.
18056 * config/cris/cris.c (cris_op_str): Update comment about pattern
18058 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18059 before falling through into...
18060 <case 'E'>: Redefined from old 'e' case.
18062 2006-01-11 Jan Hubicka <jh@suse.cz>
18065 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18067 2006-01-11 Jan Hubicka <jh@suse.cz>
18069 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18070 * i386.c (x86_decompose_lea): Kill.
18071 (ix86_rtx_costs): Kill.
18073 2006-01-11 Jan Hubicka <jh@suse.cz>
18075 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18076 * cgraph.h (cgraph_node): Add inline_decl.
18077 (cgraph_insert_node_to_hashtable): Declare.
18078 (save_inline_function_body): Declare.
18079 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18081 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18082 (cgraph_function_versioning): Update call of tree_function_versioning.
18083 (save_inline_function_body): New function.
18084 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18085 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18086 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18087 (cgraph_default_inline_p): Likewise.
18088 (cgraph_decide_inlining_incrementally): Likewise.
18089 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18090 (copy_bb): Kill saving; do updating of clones.
18091 (copy_cfg_body): Kill saving.
18092 (initialize_inlined-parameters): Likewise.
18093 (expand_call_inline): Likewise.
18095 (tree_function_versioning): New parameter "update_clones".
18096 (inlining_p): Kill saving.
18097 * tree-inline.h (tree_function_versioning): Update prototype.
18098 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18101 2006-01-11 Ian Lance Taylor <ian@airs.com>
18103 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18104 Allow undoing set of machine mode.
18105 (do_SUBST): Use enums instead of is_int.
18106 (do_SUBST_MODE): New function.
18107 (SUBST_MODE): New macro.
18108 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18109 reg and trying to replace reg_regno_rtx with a new register.
18110 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18111 (simplify_set): Use SUBST_MODE.
18112 (distribute_notes): Remove code that tried to update reg notes
18113 for regno_reg_rtx changes.
18115 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18117 PR tree-optimization/23109
18118 PR tree-optimization/23948
18119 PR tree-optimization/24123
18121 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18122 * tree-cfg.c (single_noncomplex_succ): New.
18123 * tree-flow.h (single_noncomplex_succ): Declare it.
18124 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18125 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18126 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18127 insert_bb, register_division_in, insert_reciprocals,
18128 replace_reciprocal, free_bb): New.
18129 (execute_cse_reciprocals_1): Rewritten.
18130 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18131 Do not commit any edge insertion. Always compute dominators and
18132 create the allocation pool.
18133 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18134 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18135 * targhooks.c (default_min_divistions_for_recip_mul): New.
18136 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18137 * passes.c (init_optimization_passes): Run recip after tree loop
18139 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18141 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18142 Kenneth Zadeck <zadeck@naturalbridge.com>
18144 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18145 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18146 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18147 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18148 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18149 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18150 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18151 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18152 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18153 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18154 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18155 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18156 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18157 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18158 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18159 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18160 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18161 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18162 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18163 DF_SCAN_POST_ALLOC): New macros.
18164 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18165 df_free_bb_function, df_local_compute_function, df_init_function,
18166 df_dataflow_function, df_confluence_function_0,
18167 df_confluence_function_n, df_transfer_function,
18168 df_finalizer_function, df_free_function, df_dump_problem_function,
18169 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18170 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18171 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18172 df_urec_bb_info, ) New types.
18173 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18175 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18176 df_analyze_simple_change_some_blocks,
18177 df_analyze_simple_change_one_block, df_compact_blocks,
18178 df_bb_replace, df_bb_regno_last_use_find,
18179 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18180 df_insn_regno_def_p, df_find_def, df_find_use,
18181 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18182 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18183 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18184 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18185 debug_df_chain, df_get_dependent_problem, df_chain_create,
18186 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18187 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18188 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18189 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18190 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18191 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18192 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18193 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18194 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18195 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18196 df_reorganize_refs, df_set_state, df_hard_reg_init,
18197 df_read_modify_subreg_p) New public functions.
18198 * df-core.c: The core dataflow solver and glue routines for rtl
18200 (df_init, df_add_problem, df_set_blocks, df_finish,
18201 df_hybrid_search_forward, df_hybrid_search_backward,
18202 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18203 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18204 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18205 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18206 df_reg_defined, df_find_use, df_reg_used, df_dump,
18207 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18208 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18209 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18210 debug_df_useno, reset_df_after_reload): New functions.
18211 * df-scan.c: The scanning fuctions, once in df.c, completely
18212 rewritten so that they now fully model the functionality of
18213 register usage at the backend.
18214 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18215 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18216 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18217 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18218 df_get_artificial_defs, df_get_artificial_uses,
18219 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18220 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18221 df_refs_delete, df_reorganize_refs, df_set_state,
18222 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18223 df_def_record_1, df_defs_record, df_uses_record,
18224 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18225 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18226 df_record_exit_block_uses, df_hard_reg_init): New functions.
18228 * df-problems.c: Seven concrete dataflow problems that use the
18229 scanning in df-scan.c and are solved by the engine in df-core.c.
18230 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18231 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18232 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18233 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18234 df_ru_free_bb_info, df_ru_alloc,
18235 df_ru_bb_local_compute_process_def,
18236 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18237 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18238 df_ru_transfer_function, df_ru_free, df_ru_dump,
18239 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18240 df_rd_free_bb_info, df_rd_alloc,
18241 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18242 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18243 df_rd_transfer_function, df_rd_free, df_rd_dump,
18244 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18245 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18246 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18247 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18248 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18249 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18250 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18251 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18252 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18253 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18254 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18255 df_urec_mark_reg_use_for_earlyclobber,
18256 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18257 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18258 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18259 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18260 df_chain_create_bb_process_use, df_chain_create_bb,
18261 df_chain_finalize, df_chain_free, df_chains_dump,
18262 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
18263 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
18264 df_reg_lifetime): New functions.
18265 * df.c: Deleted file.
18266 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
18267 consistent with new df api.
18268 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
18269 rest_of_handle_sms): Ditto.
18270 * web.c (unionfind_union, union_defs, entry_register, web_main):
18272 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
18273 invariant_expr_equal_p, find_defs, check_dependencies,
18274 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
18275 free_inv_motion_data, move_loop_invariants): Ditto.
18276 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
18277 Update dependencies.
18278 (odf.c): Added defective entry that was deleted later in day.
18279 * sched-deps.c (sched_analyze_1): Ditto.
18281 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18283 * tree-ssa-operands.c (get_expr_operands): Record addressable
18284 variables directly. Do not call add_stmt_operands for CONST_DECLs
18286 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
18287 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
18289 2006-01-11 Ben Elliston <bje@au.ibm.com>
18291 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
18292 function returns true in the positive case.
18294 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18297 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
18298 for SI, DI, SF and DF modes. Add alternatives to copy between
18299 general and floating point registers to the 32-bit patterns.
18300 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
18301 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
18302 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
18303 generating 64-bit code.
18304 * config/pa/pa.c (output_move_double): Handle copies between general
18305 and floating registers.
18307 2006-01-10 Stuart Hastings <stuart@apple.com>
18309 * config/i386/i386.md (set_got): Update.
18310 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
18311 (builtin_setjmp_receiver): Mach-O support.
18312 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
18313 (GOT_SYMBOL_NAME): Define.
18314 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
18315 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
18316 * config/i386/i386.c (override_options): Revise for Darwin.
18317 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
18318 support. (darwin_x86_file_end): New. (output_set_got): Add label
18319 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
18320 * config/i386/i386-protos.h (output_set_got): Likewise.
18321 * config/darwin.c (machopic_legitimize_pic_address): Update
18324 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
18326 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
18327 when MODE isn't BLKmode.
18329 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
18331 PR rtl-optimization/25367
18332 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
18334 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
18337 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
18338 for a negative bound.
18340 2006-01-10 Richard Guenther <rguenther@suse.de>
18342 * tree-ssa-structalias.c (get_constraint_for_component_ref):
18343 Never override with anything constraint.
18345 2006-01-10 Jan Beulich <jbeulich@novell.com>
18347 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
18348 256 bits when optimize_size.
18350 2006-01-10 Jan Beulich <jbeulich@novell.com>
18352 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
18354 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
18355 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
18358 2006-01-10 Ben Elliston <bje@au.ibm.com>
18360 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
18362 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
18363 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18364 (USE_FP_FOR_ARG): Reject decimal float modes.
18365 (function_arg_advance): Likewise.
18366 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
18367 (rs6000_handle_altivec_attribute): Do not permit decimal floating
18368 point types in AltiVec vectors.
18369 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
18370 (rs6000_libcall_value): Likewise.
18372 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18374 * config/xtensa/ieee754-df.S: New file.
18375 * config/xtensa/ieee754-sf.S: New file.
18376 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18377 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18378 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18380 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18382 * config/sh/predicates.md (binary_float_operator,
18383 binary_logical_operator, commutative_float_operator,
18384 equality_comparison_operator, greater_comparison_operator,
18385 less_comparison_operator, logical_operator,
18386 noncommutative_float_operator, shift_operator,
18387 symbol_ref_operand, unary_float_operator): Remove redundant
18390 2006-01-09 Jeff Law <law@redhat.com>
18392 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18393 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18394 now unused arguments. Callers updated.
18395 (eliminate_redundant_computations): Remove now unused arguments,
18397 (local_fold): Remove, no longer used.
18398 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18400 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18401 (simplify_cond): New function.
18402 (forward_propagate_into_cond): Call simplify_cond.
18404 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18406 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18407 (*vec_extractv2di_1_sse): New.
18409 2006-01-09 Ben Elliston <bje@au.ibm.com>
18411 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18413 2006-01-08 Richard Guenther <rguenther@suse.de>
18415 * tree-ssa-structalias.c (get_constraint_for): Remove
18416 anyoffset argument.
18417 (get_constraint_for_component_ref): Likewise.
18418 (do_deref): Likewise.
18419 (get_constraint_for): Likewise.
18420 (do_structure_copy): Likewise.
18421 (handle_ptr_arith): Likewise.
18422 (find_func_aliases): Likewise. Remove unused need_anyoffset
18425 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18426 Kaz Kojima <kkojima@gcc.gnu.org>
18428 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18429 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18430 (EXTRA_CONSTRAINT_C16): Remove.
18431 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18432 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18433 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18434 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18435 constants of SHmedia. Handle nested constant expressions of
18437 (andcosts): Fix the costs for SHmedia constants.
18438 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18439 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18440 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18441 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18442 (movv4hi_i, movv2si_i): Likewise.
18443 (movsi_const): Adjust the second operand of ior so to match with
18444 the Csu constraint.
18445 (movdi_const, movdi_const_32bit): Likewise.
18446 (movdi_const_16bit+1): Don't sign-extend LOW.
18447 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18449 (*double_shori): Fix the split condition. Use GEN_INT instead
18450 of get_int_mode calls. Mask lower 16-bit of the argument of
18452 (sym2GOTPLT): Remove.
18453 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18455 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18456 instead of EXTRA_CONSTRAINT_C16.
18458 2006-01-07 Ian Lance Taylor <ian@airs.com>
18459 David Edelsohn <edelsohn@gnu.org>
18461 PR rtl-optimization/25662
18462 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18463 for constant operands instead of simplify_gen_binary.
18464 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18465 after trying simplify_binary_operation
18467 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18469 * tree.c (iterative_hash_expr): Hash decls based on UID.
18471 2006-01-06 Eric Christopher <echristo@apple.com>
18473 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18474 (TARGET_UNWIND_EMIT): Fix spelling.
18475 * target.h (gcc_target): Add except_table_label.
18476 * except.c (output_function_exception_table): Use.
18477 * varasm.c (default_emit_except_table_label): New.
18478 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18480 (asm_out): Add here.
18481 * output.h (default_emit_except_table_label): Prototype.
18482 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18483 * config/darwin.c (darwin_emit_except_table_label): Define.
18484 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18486 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18488 PR tree-optimization/18527
18489 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18490 number_of_iterations_special, number_of_iterations_exit):
18491 Move base and step of an iv to a single structure. Add
18492 no_overflow flag, and use it in # of iterations analysis.
18493 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18494 folded_casts argument.
18495 (simple_iv): Pass base and step in a structure. Set no_overflow
18497 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18498 Evaluate expensiveness of computing # of iterations instead of
18499 the final expression.
18500 * tree-scalar-evolution.h (affine_iv): New structure.
18501 (simple_iv): Declaration changed.
18502 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18503 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18504 find_givs_in_stmt): Changed due to simple_iv change.
18506 2006-01-06 Jeff Law <law@redhat.com>
18509 * tree-cfg.c (bsi_replace): Rename final argument from
18510 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18511 change (stmt -> orig_stmt).
18512 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18513 (bsi_remove): Add new argument. Remove EH information
18515 (verify_eh_throw_table_statements): New function.
18516 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18518 * tree-optimize.c (execute_free_cfg_annotations): Verify
18519 the EH throw statement table after removing annotations.
18520 * except.h (verify_eh_throw_table_statements): Prototype.
18521 * tree-flow.h (bsi_remove): Update prototype.
18522 * tree-vrp.c (remove_range_assertions): Add new argument to
18524 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18525 * tree-complex.c (expand_complex_div_wide): Likewise.
18526 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18527 * tree-tailcall.c (eliminate_tailcall): Likewise.
18528 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18529 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18530 * tree-nrv.c (tree_nrv): Likewise.
18531 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18532 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18533 (combine_blocks): Likewise.
18534 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18535 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18536 (cleanup_control_flow): Likewise.
18537 (remove_forwarder_block): Likewise.
18538 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18539 * tree-sra.c (sra_replace): Likewise.
18540 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18541 (forward_propagate_single_use_vars): Likewise.
18542 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18543 * tree-inline.c (expand_call_inline): Likewise.
18544 * tree-vect-transform.c (vect_transform_loop): Likewise.
18545 * tree-outof-ssa.c (rewrite_trees): Likewise.
18546 * tree-cfg.c (make_goto_expr_edges): Likewise.
18547 (cleanup_dead_labels): Likewise.
18548 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18549 (bsi_move_before, bsi_move_after): Likewise.
18550 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18551 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18553 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18556 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18558 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18559 on non gimple variables. Also add checks at the top for decls and
18561 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18563 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18564 and IMAGPART_EXPR for creating MUST_DEFs.
18565 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18566 and NAME_MEMORY_TAG separately from the DECLs.
18568 2006-01-06 Richard Guenther <rguenther@suse.de>
18570 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18571 annotation, if necessary.
18572 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18573 redundant calls to update_stmt.
18574 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18577 2006-01-05 Richard Henderson <rth@redhat.com>
18579 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18581 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18583 * c-typeck.c: Update copyright date.
18585 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18587 * c-typeck.c (build_c_cast): Always warn when casting
18588 from a pointer to an integer of different size, even if
18589 the node was constant.
18591 2006-01-05 Richard Guenther <rguenther@suse.de>
18593 PR tree-optimization/22555
18594 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18595 if one structure field is an array.
18596 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18597 operands even if we found a subvar, but ignore VOPs in this
18599 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18601 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18603 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18605 PR middle-end/24998
18606 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18608 2006-01-05 Richard Guenther <rguenther@suse.de>
18609 Diego Novillo <dnovillo@redhat.com>
18611 * tree-pass.h (TODO_remove_unused_locals): Define.
18612 * gimple-low.c (expand_var_p, remove_useless_vars,
18613 pass_remove_useless_vars): Remove. Update all users.
18614 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18615 (remove_unused_locals): New function.
18616 * tree-flow.h (remove_unused_locals): Declare.
18617 * passes.c (execute_todo): Call remove_unused_locals if
18618 TODO_remove_unused_locals is set.
18619 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18620 * tree-ssa-dce.c (pass_dce): Likewise.
18621 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18623 2006-01-05 Richard Guenther <rguenther@suse.de>
18625 * tree-flow.h (struct fieldoff): Decompose field to
18626 type, size and decl.
18627 * tree-ssa-alias.c (create_sft): Take type as parameter.
18628 (create_overlap_variables_for): Store type, size and decl
18629 in the fieldoff structure.
18630 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18631 of struct fieldoff.
18632 (push_fields_onto_fieldstack): Likewise.
18633 (create_variable_info_for): Likewise. Use offset for the
18634 SFT name if the decl is not available.
18636 2006-01-04 Paul Brook <paul@codesourcery.com>
18638 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18640 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18642 * lambda-code.c (can_put_in_inner_loop): Relax
18644 (can_put_after_inner_loop): New function.
18645 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18646 (perfect_nestify): Change to make copies and modify uses.
18648 2006-01-04 Richard Henderson <rth@redhat.com>
18650 Merge from gomp branch:
18651 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18652 via integer constant.
18653 (pragma_lex): Remove.
18654 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18655 rather than parsing it.
18656 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18657 handle_pragma_extern_prefix): Add %< %> quotes.
18658 (registered_pragmas): New.
18659 (c_register_pragma_1): New.
18660 (c_register_pragma): Use it.
18661 (c_register_pragma_with_expansion): Likewise.
18662 (c_invoke_pragma_handler): New.
18663 (init_pragma): Use cpp_register_deferred_pragma directly for
18665 * c-pragma.h (enum pragma_kind): New.
18666 (pragma_handler): New.
18667 (c_invoke_pragma_handler): Declare.
18668 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18670 * c-common.h (c_common_pch_pragma): Update decl.
18671 * Makefile.in (c-parser.o): Update dependencies.
18672 (GTFILES): Add c-pragma.h.
18673 * c-parser.c (struct c_token): Add pragma_kind.
18674 (struct c_parser): Add in_pragma.
18675 (c_lex_one_token): Always initialize keyword and pragma_kind.
18676 Extract data for CPP_PRAGMA.
18677 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18678 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18679 Don't allow CPP_PRAGMA_EOL if in_pragma.
18680 (c_parser_consume_pragma): New.
18681 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18682 (c_parser_skip_to_end_of_parameter): Likewise.
18683 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18684 (c_parser_skip_to_pragma_eol): New.
18685 (c_parser_external_declaration): Handle CPP_PRAGMA.
18686 (c_parser_compound_statement_nostart): Likewise.
18687 (c_parser_statement_after_labels): Likewise.
18688 (c_parser_pragma): New.
18689 (pragma_lex): Likewise.
18690 (c_parser_pragma_pch_preprocess): New.
18691 (c_parser_new): Merge into ...
18692 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18694 2006-01-04 Jeff Law <law@redhat.com>
18697 * tree-cfg.c (bsi_replace): Remove the original statement
18698 from the EH throw statement table.
18700 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18702 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18703 make the prototype extern "C" and add throw ().
18706 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18707 and pos non-negative and pos + len <= 32.
18708 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18709 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18710 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18713 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18714 as well as sizes not multiple of component size.
18717 * function.c (instantiate_expr): New function.
18718 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18719 walk its DECL_VALUE_EXPR with instantiate_expr.
18721 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18722 DW_OP_deref{,_size} if address isn't going to be added.
18724 2006-01-04 Ben Elliston <bje@au.ibm.com>
18726 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18727 * config/fp-bit.c: Likewise.
18729 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18731 * dominance.c: Add comment about why we use DFS numbering
18734 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18735 Richard Henderson <rth@redhat.com>
18737 Merge from gomp-branch:
18738 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18739 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18741 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18743 PR rtl-optimization/25578
18744 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18745 pass a parameter to simplify_shift_const if changing ASHIFTRT
18748 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18750 * builtins.c (get_builtin_sync_mem): New function.
18751 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18752 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18753 Call get_builtin_sync_mem to generate mem rtx.
18755 2006-01-03 Richard Guenther <rguenther@suse.de>
18758 * stmt.c (add_case_node): Make sure to clear overflow flags
18761 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18763 Merge from gomp-branch.
18764 * config/sparc/sync.md: New file.
18765 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18766 UNSPECV_LDSTUB): New constants.
18767 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18768 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18769 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18772 2006-01-03 Roger Sayle <roger@eyesopen.com>
18774 * combine.c (reg_subword_p): New predicate to test whether the
18775 destination of a set refers to a subword/piece of a register.
18776 (try_combine): Generalize the code to merge the setting of a
18777 pseudo to a constant followed by a set of a subword of that
18778 register to a constant.
18780 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18782 * basic-block.h (control_flow_graph): Change the type of
18783 x_label_to_block_map to VEC(basic_block,gc) *.
18784 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18785 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18787 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18788 VEC(basic_block,heap) *.
18789 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18790 ssa_prop_fini): Adjust the uses of cfg_blocks.
18792 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18794 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18796 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18797 hashing trees instead of a pointer hash.
18798 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18799 compare for MEM_EXPR.
18801 PR rtl-optimization/25130
18802 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18803 when comparing MEMs for GCSE
18805 2006-01-03 Ben Elliston <bje@au.ibm.com>
18807 * targhooks.h (default_decimal_float_supported_p): Declare.
18808 * targhooks.c (default_decimal_float_supported_p): Define.
18809 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18810 `default_decimal_float_supported_p'.
18811 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18813 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18815 * combine.c (apply_distributive_law <SUBREG>): Check
18816 TRULY_NOOP_TRUNCATION.
18818 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18820 * dwarf2out.c (have_switched_text_section): Delete.
18821 (have_multiple_function_sections): New.
18822 (have_location_lists): Make 'bool'.
18823 (add_AT_loc_list): Use 'true' not '1'.
18824 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18825 (output_loc_list): Use have_multiple_function_sections.
18826 (output_ranges): Likewise.
18827 (dwarf2out_begin_function): Set have_multiple_function_sections if
18829 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18830 Check function_section rather than DECL_SECTION_NAME.
18831 (dwarf2out_finish): Use have_multiple_function_sections.
18832 Don't clear have_location_lists.
18834 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18835 Jan Hubicka <jh@suse.cz>
18837 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18838 case of conditional jump jumping to the next instruction.
18839 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18840 cases of conditional jump jumping to the next instruction.
18842 2006-01-02 Jan Hubicka <jh@suse.cz>
18844 * i386.c (*_cost): Add COSTS_N_INSNS.
18845 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18847 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18850 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18852 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18854 * config/arm/arm.c (all_fpus): Fix comment typo.
18855 * config/darwin.c: Likewise.
18856 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18857 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18858 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18860 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18862 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18863 (rs6000_split_compare_and_swapqhi): New.
18864 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18865 (sync_compare_and_swapqhi_internal): New.
18866 * config/rs6000/rs6000-protos.h: Declare.