2007-06-13 Eric Christopher <echristo@apple.com>
[official-gcc.git] / gcc / ChangeLog
blob7f85af9b35a327db6ef4c778b5108d4d0be0ae71
1 2007-06-13  Eric Christopher  <echristo@apple.com>
3         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
4         the user set a value below STACK_BOUNDARY.
6 2007-06-13  Thiemo Seufer  <ths@networkno.de>
8         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
9         imply -lpthread for -pthread.
11 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
13         * basic-block.h: Remove the prototype for
14         free_basic_block_vars.
15         * cfglayout.h: Remove the prototype for
16         insn_locators_initialize.
17         * tree.h: Remove the prototype for emit_line_note.
19         * tree-ssa-pre.c (mergephitemp): Remove.
20         (init_pre): Don't use mergephitemp.
22 2007-06-13  Eric Christopher  <echristo@apple.com>
24         * config/i386/i386.c (override_options): If we've specified
25         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
27 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
29         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
30         is defined.
32 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
34         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
35         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
36         (eh_store_handler): New pattern.
37         (eh_return): Emit it instead of a plain move.
39 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
41         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
42         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
43         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
44         def_builtin_const.
46 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
48         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
49         (find_next_insn_start, find_load): New functions.
50         (bfin_reorg): Use them to deal with the fact that parallel insns are
51         no longer represented as a SEQUENCE.
53 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
55         * config/sparc/sparc.c (sparc_override_options): Initialize
56         fpu mask correctly.
58 2007-06-13  Dave Korn  <dave.korn@artimi.com>
60         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
61         df_get_live_out.
63 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
65         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
66         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
67         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
68         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
69         tree-vect-transform.c: Fix comment typos.  Follow spelling
70         conventions.
72 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
74        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
75        to the exit block use set.
76        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
77        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
79 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
81         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
82         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
83         to indicate an error.
84         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters): New functions
85         (dbg_cnt_process_opt): Print an error on a bad argument.
86         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
87         * common.opt (-fdbg-cnt-list): New.
88         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
90 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
92         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
93         flag on ref-all pointers.
95 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
97         PR middle-end/31579
98         * expr.c (expand_expr_addr_expr_1): Call expand_expr
99         for the offset with the modifier as EXPAND_INITIALIZER
100         if the modifier is EXPAND_INITIALIZER.
101         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
102         a register if we had an overflow.
104 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
106         * real.c (real_isfinite): New.
107         (real_sqrt): Use it.
108         * real.h (real_isfinite): New.
109         * builtins.c: Use it.
111 2007-06-12  Ian Lance Taylor  <iant@google.com>
112             Daniel Berlin  <dberlin@dberlin.org>
114         PR libstdc++/29286
115         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
116         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
117         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
118         (DECL_NO_TBAA_P): Define.
119         (struct tree_decl_common): Add no_tbaa_flag field.
120         * tree-ssa-structalias.c (struct variable_info): Add
121         no_tbaa_pruning field.
122         (new_var_info): Initialize no_tbaa_pruning field.
123         (unify_nodes): Copy no_tbaa_pruning field.
124         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
125         (dump_solution_for_var): Print no_tbaa_pruning flag.
126         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
127         callers.
128         (compute_tbaa_pruning): New static function.
129         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
130         Call compute_tbaa_pruning.
131         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
132         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
133         * gimple-low.c (lower_stmt): Likewise.
134         * tree-gimple.c (is_gimple_stmt): Likewise.
135         * tree-ssa-operands.c (get_expr_operands): Likewise.
136         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
137         * tree-inline.c (estimate_num_insns_1): Likewise.
138         (copy_result_decl_to_var): Likewise.
139         * expr.c (expand_expr_real_1): Likewise.
140         * tree-pretty-print.c (dump_generic_node): Likewise.
141         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
142         * omp-low.c (omp_copy_decl_2): Likewise.
143         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
144         * doc/c-tree.texi (Expression trees): Document
145         CHANGE_DYNAMIC_TYPE_EXPR.
147 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
149         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
150         with !HONOR_NANS and !HONOR_INFINITIES.
151         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
153 2007-06-12  Tristan Gingold  <gingold@adacore.com>
155         * gcov.c: Comments updated.
156         (source_info): Add file_time field.
157         (source_index): New variable.
158         (mutiple_files): New variable.
159         (generate_results): New function extracted from process_file.
160         (process_file): Save and restore chain of functions, generate
161         results and free structures only if not merging results.
162         (release_structures): File names are now freed in create_file_names
163         (create_file_names): Free previous file names.
164         (find_source): File date is now read here and modifications in
165         source files is checked here.
166         (read_graph_file): Only reverse order of functions for the current
167         object file.
168         (make_gcov_file_name): Do not generate long names if input_name is
169         NULL.
170         (output_lines): If merging results do not display graph, data and
171         runs informations.
172         Checking source file modification is done in find_source.
174         * doc/gcov.texi: Append an s to sourcefile.
176 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
178         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
179         (forced_nop): New pattern.
180         * config/bfin/bfin.c: Include "df.h".
181         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
182         (bfin_discover_loop): Use df_get_live_in instead of
183         global_live_at_start.
184         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
185         df_analyze when done.
186         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
187         the insns.  Use QImode for the final insn in a bundle.  Call
188         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
189         gen_nop.
190         (reorder_var_tracking_notes): New function.
191         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
192         update_life_info.  Call df_analyze after scheduling and bundle
193         generation.  Call reorder_var_tracking_notes if generating these notes.
194         Call df_finish_pass at the end.
196 2007-06-12  Dirk Mueller  <dmueller@suse.de>
198         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
199         a comparison, not an assignment.
201 2007-06-12  Olivier Hainque  <hainque@adacore.com>
203         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
204         Request walking the subtrees only, leaving the current is_lhs/val_only
205         untouched.
206         (convert_non_local_reference): Likewise.
208 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
210         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
212 2007-06-12  Richard Guenther  <rguenther@suse.de>
214         PR tree-optimization/15353
215         PR tree-optimization/31657
216         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
217         * timevar.def: Add TV_TREE_IFCOMBINE.
218         * tree-pass.h (pass_tree_ifcombine): Declare.
219         * tree-ssa-ifcombine.c: New file.
220         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
221         * tree-flow.h (blocks_in_phiopt_order): Declare.
222         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
223         (tree-ssa-ifcombine.o): New dependencies.
225 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
227         PR rtl-optimization/32293
228         * combine.c (simplify_if_then_else): Truncate return from
229         nonzero_bits() to correct mode.
231 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
233         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
234         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
236 2007-06-11  Diego Novillo  <dnovillo@google.com>
238         * Makefile.in (reload1.o-warn): Remove.
240 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
242         * combine.c (subst): Use reg_overlap_mentioned_p
243         instead of comparing register numbers directly.
245 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
247         * reload1.c (mark_home_live_1): Use the mode parameter.
249 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
251         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
252         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
253         word "deferred".
254         * df-core.c: Ditto.
256 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
258         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
260 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
262         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
263         from integer registers.
264         (FP mode splitters): Handle TFmode.
266 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
268         * tree-ssa-structalias.c (find_what_p_points_to): Return false
269         for ref-all pointers that point-to anything.
271 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
273         * config/arm/arm.c (arm_output_dwarf_dtprel,
274         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
276 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
278         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
279         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
280         to memory moves.
282 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
284         * gcc/tree.c (signed_or_unsigned_type_for): New.
285         (unsigned_type_for): Use signed_or_unsigned_type_for.
286         (signed_type_for): Use signed_or_unsigned_type_for.
287         * gcc/tree.h (signed_or_unsigned_type_for): New.
288         (get_signed_or_unsigned_type): Remove.
289         * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
290         lang_hooks.types.signed_type
291         (size_diffop): Likewise.
292         (all_ones_mask_p): Likewise.
293         (build_range_check): Likewise.
294         (fold_cond_expr_with_comparison): Likewise.
295         (fold_cond_expr_with_comparison): Likewise.
296         (unextend): Likewise.
297         (extract_muldiv_1): Likewise.
298         (fold_single_bit_test_into_sign_test): Likewise.
299         (fold_binary): Likewise.
300         (fold_ternary): Likewise.
301         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
302         instead of get_signed_or_unsigned_type.
303         * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
304         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
305         * gcc/expr.c (signed_or_unsigned_type_for): Use
306         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
307         * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
308         (lhd_signed_or_unsigned_type): Remove.
309         * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
310         signed_or_unsigned_type.
311         (lhd_signed_or_unsigned_type): Remove.
312         * gcc/expmed.c (make_tree): Use signed_type_for instead of
313         lang_hooks.types.signed_type.
314         * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
315         c_common_signed_type instead of lang_hooks.types.signed_type.
316         (c_common_unsigned_type): New.
317         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
318         (shorten_compare): Use c_common_unsigned_type instead of
319         c_common_signed_or_unsigned_type.
320         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
321         unsigned_type_for.
322         * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
323         lang_hooks.types.signed_type.
324         * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
325         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
326         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
327         * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
328         instead of unsigned_type_for.
329         * gcc/c-decl.c (groakdeclarator): Likewise.
330         * gcc/c-typeck.c (convert_for_assignment): Likewise.
331         * gcc/c-common.h (c_common_unsigned_type): New.
333 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
335         PR target/32280
336         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
337         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
339 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
341         PR middle-end/32279
342         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
343         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
345 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
346             Sebastian Pop  <sebpop@gmail.com>
348         * lambda-code.c (remove_iv): New.
349         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
351 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
353         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
354         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
355         * tree-ssa-loop-prefetch.c: Include optabs.h.
356         (FENCE_FOLLOWING_MOVNT): New macro.
357         (struct mem_ref): Add independent_p and storent_p fields.
358         (record_ref): Initalize the new fields.
359         (gather_memory_references_ref): Return true if the reference
360         could be analysed.
361         (gather_memory_references): Check whether all memory accesses
362         in loop were recorded.
363         (should_issue_prefetch_p): Return false for nontemporal stores.
364         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
365         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
366         (determine_loop_nest_reuse): Detect independent memory references.
367         (loop_prefetch_arrays): Call mark_nontemporal_stores.
368         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
369         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
370         * config/i386/i386.h (x86_mfence): Declare.
371         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
372         * config/i386/i386.c (x86_mfence): New variable.
373         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
375         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
376         * optabs.c (init_optabs): Initialize storent_optab.
377         * optabs.h (enum optab_index): Add OTI_storent.
378         (storent_optab): Declare.
379         * genopinit.c (optabs): Add initialization for storent_optab.
380         * tree.h (MOVE_NONTEMPORAL): New macro.
381         * expr.c (expand_assignment, store_expr, store_constructor_field,
382         store_constructor, store_field, expand_expr_real_1): Propagate
383         nontemporality of the expanded store.
384         (emit_storent_insn): New function.
385         * expr.h (expand_assignment, store_expr): Declaration changed.
386         * function.c (assign_parm_setup_reg): Pass false as nontemporality
387         to expand_assignment.
388         * stmt.c (expand_asm_expr): Ditto.
389         * calls.c (initialize_argument_information): Pass false as
390         nontemporality to store_expr.
391         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
392         storentsi): New.
394 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
396         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
397         parameter, use it.
398         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
400 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
402         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
403         and allow DECL_P here.
405 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
407         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
408         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
409         track of the size of the expression.
410         * cfghooks.c (merge_blocks): Remove block from loops structure only
411         after call of the merge_blocks hook.
413 2007-06-09  Tom Tromey  <tromey@redhat.com>
415         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
416         (deprecated_state): Removed.
417         (start_decl): Update.
418         (enum deprecated_states): Moved earlier.
419         (groktypename): Update.
420         (push_parm_decl): Likewise.
421         (grokfield): Likewise.
422         (start_function): Likewise.
424 2007-06-09  Ian Lance Taylor  <iant@google.com>
426         PR tree-optimization/32169
427         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
428         CONVERT_EXPR, check whether min and max both converted to an
429         overflow infinity representation.
431 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
433         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
434         not inserted on the edge.
436 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
438         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
439         instructions if they are supported.
440         (__divsi3, __umodsi3, __modsi3): Likewise.
441         (__ashldi3, __ashrdi3, __lshrdi3): New.
442         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
444 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
445             Tony Linthicum <tony.linthicum@amd.com>
447         * doc/extend.texi: Add fvect-cost-model flag.
448         * common.opt (fvect-cost-model): New flag.
449         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
450         cost fields in stmt_vec_info struct for STMT.
451         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
452         fields in stmt_vec_info struct and access functions for the same.
453         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
454         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
455         load, store and vector to scalar operation.
456         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
457         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
458         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
459         (TARG_VEC_STORE_COST): Define cost of vector store.
460         (vect_estimate_min_profitable_iters): Define new function.
461         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
462         check to evaluate if loop iterations are less than minimum profitable
463         iterations determined by cost model or minimum vect loop bound defined
464         by user, whichever is more conservative.
465         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
466         run-time check to evaluate if loop iterations are less than minimum
467         profitable iterations determined by cost model or minimum vect loop
468         bound defined by user, whichever is more conservative.
469         (vect_estimate_min_profitable_iterations): New function to estimate
470         mimimimum iterartions required for vector version of loop to be
471         profitable over scalar version.
472         (vect_model_reduction_cost): New function.
473         (vect_model_induction_cost): New function.
474         (vect_model_simple_cost): New function.
475         (vect_cost_strided_group_size): New function.
476         (vect_model_store_cost): New function.
477         (vect_model_load_cost): New function.
478         (vectorizable_reduction): Call vect_model_reduction_cost during
479         analysis phase.
480         (vectorizable_induction): Call vect_model_induction_cost during
481         analysis phase.
482         (vectorizable_load): Call vect_model_load_cost during analysis phase.
483         (vectorizable_store): Call vect_model_store_cost during analysis phase.
484         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
485         vectorizable_promotion, vectorizable_demotion): Call
486         vect_model_simple_cost during analysis phase.
488 2007-06-08  Simon Baldwin  <simonb@google.com>
490         * reg-stack.c (get_true_reg): Readability change.  Moved default case
491         label into direct switch statement scope.
493 2007-06-08  Simon Baldwin  <simonb@google.com>
495         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
496         in gcc_assert() with '==' comparison.
498 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
500         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
501         TARGET_ABM handling of x86_popcnt variable.
503 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
505         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
506         __builtin_copysignq and __builtin_infq built-in functions.
508 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
510         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
511         SSE4.2 section.  Correct built-in function names in SSE4A section.
513 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
515         PR tree-optimization/32243
516         * tree-vect-transform.c (vectorizable_type_promotion): Move check
517         for ncopies after ratio check between nunits_out and nunits_in.
518         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
520 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
522         PR tree-optimization/32224
523         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
524         vectorization upon a non GIMPLE_MODIFY_STMT.
526 2007-06-08  Christian Bruel  <christian.bruel@st.com>
528         PR target/29953
529         * config/sh/sh.md (doloop_end): New pattern and splitter.
530         * loop-iv.c (simple_rhs_p): Check for hardware registers.
532 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
534         PR middle-end/32209
535         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
536         functions.
537         (verify_dominators): Do not change dominance tree.
539 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
541         * config/sh/constraints.md: New file.
542         * config/sh/sh.c: Include tm-constrs.h.
543         (reg_class_from_letter): Remove.
544         (prepare_cbranch_operands): Use satisfies_constraint_*
545         function instead of macro.
546         (andcosts, broken_move, sh_secondary_reload): Likewise.
547         * config/sh/predicates.md (trapping_target_operand): Likewise.
548         (and_operand, arith_operand, arith_reg_or_0_operand,
549         cmp_operand, logical_operand, target_operand,
550         ua_address_operand, ua_offset, xor_operand): Likewise.
551         * config/sh/sh.md: Include constraints.md.
552         (*movsicc_t_false): Use satisfies_constraint_* function
553         instead of macro.
554         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
555         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
556         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
557         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
558         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
559         (REG_CLASS_FROM_CONSTRAINT): Remove.
560         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
561         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
562         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
563         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
564         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
565         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
566         function instead of macro.
567         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
568         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
569         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
570         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
571         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
572         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
573         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
574         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
575         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
576         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
577         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
578         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
579         EXTRA_CONSTRAINT_STR): Likewise.
580         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
582 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
584         * config/i386/darwin.h (STACK_BOUNDARY): Define.
586 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
588         PR c++/30759
589         * c-common.h (flag_cpp0x): Replaced by...
590         (cxx_dialect): ... this new variable specifying the C++ dialect that
591         is used.
592         * c-common.c (flag_cpp0x): Removed.
593         (cxx_dialect): Defined.
594         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
595         cxx_dialect.
596         * c-opts.c (c_common_post_options): Likewise.
597         (set_std_cxx98): Set cxx_dialect to cxx98.
598         (set_std_cxx0x): Set cxx_dialect to cxx0x.
600 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
601             Hui-May Chang <hm.chang@apple.com>
603         * doc/invoke.texi (Darwin Options): Update documentation for
604         -mmacosx-version-min.
605         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
606         * config/darwin-driver.c: New file.
607         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
608         * config/t-darwin (darwin-driver.o): New rule.
610         * config/darwin-c.c (version_as_macro): Ignore low digit.
612 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
614         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
615         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
616         (CSGNMODE): New mode macro.
617         (CSGNVMODE): New mode attribute.
618         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
619         expander using CSGNMODE mode macro.  Handle TFmode.
620         (copysign<mode>3_const): Rename from copysignsf3_const and
621         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
622         Handle TFmode.
623         (copysign<mode>3_var): Rename from copysignsf3_var and
624         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
625         Handle TFmode.
626         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
627         mode macro.  Handle TFmode.
628         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
629         (iortf3, *iortf3): Ditto.
630         (xortf3, *xortf3): Ditto.
631         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
632         TFmode and TImode masks.
633         (ix86_expand_copysign): Expand TFmode copysign insn.
634         (IX86_BUILTIN_INFQ): New.
635         (IX86_BUILTIN_FABSQ): Ditto.
636         (IX86_BUILTIN_COPYSIGNQ): Ditto.
637         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
638         [__builtin_fabsq]: Ditto.
639         [__builtin_copysignq]: Ditto.
640         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
641         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
642         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
643         ix86_expand_binop_builtin().
645 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
647         * config/xtensa/lib1funcs.asm: Clean up whitespace.
649 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
651         PR target/31850
652         * rtl.h (push_to_sequence2): New.
653         * emit-rtl.c (push_to_sequence2): New.
654         * function.c (assign_parm_data_all): Add new fields.
655         (assign_parm_setup_block): Call push_to_sequence2 instead of
656         push_to_sequence.
657         (assign_parm_setup_reg): Ditto.
658         (assign_parm_setup_stack): Ditto.
659         (assign_parms_unsplit_complex): Ditto.
660         (assign_parms): Change field name.
662 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
664         PR tree-optimization/32220
665         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
666         phi node is reached before defining statement.
668 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
670         PR tree-opt/32231
671         * tree-vect-transform.c (vectorizable_call): Call update_stmt
672         after changing the right hand side of the assignment.
674 2007-06-06  Eric Christopher  <echristo@apple.com>
676         * config.gcc (i?86-*-darwin*): Remove arch parameter.
677         (x86_64-*-darwin*): Ditto.
678         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
679         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
681 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
683         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
684         coding conventions.
685         (add_key): Likewise.
686         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
687         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
688         variable names.
689         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros.
690         (add_cost_one_coalesce): Likewise.
691         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
692         variable names. Rename orig to orig_name for consistency.
693         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding
694         conventions.
695         (cprop_into_successor_phis): Avoid using C++ keywords as variable names.
696         (record_equivalences_from_stmt): Likewise.
697         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
698         the coding conventions.
699         (memory_ssa_name_same): Likewise.
700         (dse_optimize_stmt): Likewise.
701         (dse_record_phis): Likewise.
702         (dse_finalize_block): Likewise.
703         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
704         keywords as variable names.
705         (may_move_till): Cast according to the coding conventions.
706         (force_move_till_expr): Avoid using C++ keywords as variable names.
707         (force_move_till): Cast according to the coding conventions.
708         (memref_hash): Likewise.
709         (memref_eq): Likewise.
710         (gather_mem_refs_stmt): Likewise.
711         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++
712         keywords as variable names.
713         (idx_find_step): Cast according to the coding conventions.
714         (idx_record_use): Likewise.
715         (find_depends): Likewise.
716         (prepare_decl_rtl): Likewise.
717         (mbc_entry_hash): Likewise.
718         (mbc_entry_eq): Likewise.
719         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
720         (simplify_replace_tree): Avoid using C++ keywords as variable names.
721         (idx_infer_loop_bounds): Cast according to the coding conventions.
722         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
723         * tree-ssa-math-opts.c (occ_new ): Likwise.
724         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
725         macros.
726         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable
727         names.
728         (add_use_op): Likewise.
729         (add_vop): Likewise.
730         (add_vuse_op): Likewise.
731         (add_vdef_op): Likewise.
732         (get_expr_operands): Likewise.
733         (push_stmt_changes): Use type safe memory macros.
734         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
735         keywords as variable names.
736         (conditional_replacement): Likewise.
737         (minmax_replacement): Likewise.
738         (abs_replacement): Likewise.
739         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
740         coding conventions.
741         (insert_fake_stores): Avoid using C++ keywords as variable names.
742         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
743         conventions.
744         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
745         (heapvar_insert): Use type safe memory macros.
746         (new_var_info): Cast according to the coding conventions.
747         (new_constraint): Likewise.
748         (remove_preds_and_fake_succs): Use type safe memory macros.
749         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
750         conventions.
751         (thread_single_edge): Likewise.
752         (thread_through_loop_header): Likewise.
754 2007-06-06  Eric Christopher  <echristo@apple.com>
756         * config/i386/i386.c (override_options): Move handling
757         of TARGET_SUBTARGET* earlier.
759 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
761         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
762         use %n on printf.
764 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
766         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
767         emited outside of basic block.
768         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
769         the created blocks.
770         * rtl.h (delete_insn_chain): Declaration changed.
771         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
772         non-removed insns.
773         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
774         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
775         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
776         to delete_insn_chain.
777         (rtl_verify_flow_info_1): Verify that the insns in header and footer
778         do not have bb field set.
779         (rtl_verify_flow_info): Verify that insns between basic blocks do not
780         have bb field set.
781         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
782         * cfgcleanup.c (try_optimize_cfg): Ditto.
784 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
786         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
787         (lambda_body_vector_new): Use type safe memory macros.
788         (lambda_linear_expression_new): Likewise.
789         (lambda_loopnest_new): Likewise.
790         (lambda_lattice_new): Likewise.
791         (replace_uses_equiv_to_x_with_y): Cast according to the coding
792         conventions. Use type safe memory macros.
793         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
794         (lambda_body_vector_s): Likewise.
795         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
796         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
798 2007-06-06  Richard Guenther  <rguenther@suse.de>
800         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
801         if we need to schedule cfg_cleanup.
802         (tree_ssa_forward_propagate_single_use_vars): Do so.
804 2007-06-06  Ian Lance Taylor  <iant@google.com>
806         * fold-const.c (merge_ranges): If range_successor or
807         range_predecessor fail, just return 0.
809 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
811         PR tree-optimization/32216
812         * tree-vectorizer.c (supportable_widening_operation): Determine
813         signedness of FIX_TRUNC_EXPR from output operand.
814         (supportable_narrowing_operation): Ditto.
815         * tree-vect-generic.c (expand_vector_operations_1): Determine
816         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
817         from input operand.
819 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
821         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
822         (struct pta): ...from here. Change flags to unsigned to avoid
823         excessive casting (as it is used as a bit mask).
824         (override_options): Add casts according to the coding convenventions.
825         (x86_64_elf_unique_section): Likewise.
826         (examine_argument): Avoid using C++ keywords as variable names.
827         (construct_container): Likewise.
828         (legitimize_pic_address): Likewise.
829         (get_dllimport_decl): Cast according to the coding conventions. Use
830         type safe memory macros.
831         (legitimize_address): Cast according to the coding conventions.
832         (emit_i387_cw_initialization): Corrected the type of slot to enum
833         ix86_stack_slot.
834         (ix86_init_machine_status): Use type safe memory macros.
835         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
836         (bdesc_pcmpistr): Likewise.
837         (bdesc_crc32): Likewise.
838         (bdesc_sse_3arg): Likewise.
839         (bdesc_2arg): Likewise.
840         (bdesc_1arg): Likewise.
841         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
842         (ix86_expand_sse_pcmpistr): Likewise.
843         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
844         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
845         int to match the langhook definition.
846         (ix86_builtin_conversion): Change the type of code to unsigned init to
847         match the langhook definition.
848         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
849         names.
850         (ix86_preferred_output_reload_class): Likewise.
851         (ix86_cannot_change_mode_class): Likewise.
852         (ix86_memory_move_cost): Likewise.
853         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
854         avoid excessive casting later on.
855         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
857 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
859         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
860         as flags setting insn.
861         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
863 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
865         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
866         (UNSPEC_ROUND): New.
867         ("sse4_1_round<mode>2"): New insn pattern.
868         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
869         SSE4.1 targets.
870         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
871         expander using SSEMODEF mode macro.  Expand using
872         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
873         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
874         expander using SSEMODEF mode macro.  Expand using
875         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
876         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
877         expander using SSEMODEF mode macro.  Expand using
878         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
879         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
880         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
881         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
882         UNSPEC_ROUNDS.
884 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
885             Sebastian Pop  <sebpop@gmail.com>
887         * lambda.h (build_linear_expr): New.
888         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
889         Use build_linear_expr, call fold and force_gimple_operand.
890         (lambda_loopnest_to_gcc_loopnest): Check that there is
891         something to insert.
892         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
894 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
896         PR preprocessor/23479
897         * doc/extend.texi: Document the 0b-prefixed binary integer
898         constant extension.
900 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
902         PR tree-optimization/32215
903         * tree-vectorizer.c (supportable_widening_operation): Return false
904         for unsupported FIX_TRUNC_EXPR tree code.
905         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
907 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
909         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
910         register on SPE targets.  Change documentation to reflect
911         reality.
912         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
913         Change FIXED_SCRATCH to 14 and document why we're keeping r14
914         out of the register allocation pool.
915         (rs6000_reg_live_or_pic_offset_p): New function.
916         (rs6000_emit_prologue): Move the actual saving of LR up to free
917         r0 for holding r11.  Split saving of SPE 64-bit registers into
918         its own case.  Ensure that offsets will always be in-range for
919         'evstdd' by using r11 as a scratch register to point at the start
920         of the SPE save area.  Save r11 if necessary, as it is the static
921         chain register.
922         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
923         into its own case.  Ensure that offsets will always be in-range
924         for 'evldd' by using r11 as a scratch register to point at the
925         start of the SPE save area.  Also adjust r11 when restoring
926         the stack pointer to compensate for pre-loading r11.
928 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
930         * cfg.c (init_flow): Use type safe memory macros.
931         (alloc_block): Likewise.
932         (unchecked_make_edge): Likewise.
933         (dump_flow_info): Avoid using C++ keywords as variable names.
934         (copy_original_table_clear): Cast according to the coding conventions.
935         (copy_original_table_set): Likewise.
936         * cfgexpand (label_rtx_for_bb): Likewise.
937         (expand_gimple_basic_block): Likewise.
938         * cfghooks.c (dump_bb): Likewise.
939         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
940         variable names.
941         (lv_add_condition_to_bb): Likewise.
942         * cfglayout (relink_block_chain): Cast according to the coding
943         conventions.
944         (fixup_reorder_chain): Likewise.
945         (fixup_fallthru_exit_predecessor): Likewise.
946         * cfgloop.c (glb_enum_p): Likewise.
947         (get_exit_description): Likewise.
948         (dump_recorded_exit): Likewise.
949         * cfgloop.h (enum loop_estimation): Move out of struct scope...
950         (struct loop): ... from here.
951         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
952         conventions.
953         * cfgrtl.c (rtl_create_basic_block): Likewise.
954         (rtl_split_block): Likewise.
955         (rtl_dump_bb): Likewise.
956         (cfg_layout_split_block): Likewise.
957         (init_rtl_bb_info): Use typesafe memory macros.
959         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
960         * graphds.h: Updated all usages of edge to graph_edge.
961         * graphds.c: Likewise.
962         * cfgloopanal.c: Likewise.
964 2007-06-05  Ian Lance Taylor  <iant@google.com>
966         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
967         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
968         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
969         expression.
970         (test_for_singularity): Likewise.
972 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
974         * config/i386/constraints.md ("Y2"): Replaced by ...
975         ("Yt"): This.
976         * config/i386/i386.md: Likewise.
977         * config/i386/mmx.md: Likewise.
978         * config/i386/sse.md: Likewise.
980 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
982         * config/i386/constraints.md ("z"): Replaced by ...
983         ("Y0"): This.
984         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
985         (sse4_1_blendvps): Likewise.
986         (sse4_1_pblendvb): Likewise.
987         (sse4_2_pcmpestr): Likewise.
988         (sse4_2_pcmpestrm): Likewise.
989         (sse4_2_pcmpestr_cconly): Likewise.
990         (sse4_2_pcmpistr): Likewise.
991         (sse4_2_pcmpistrm): Likewise.
992         (sse4_2_pcmpistr_cconly): Likewise.
994 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
996         * matrix-reorg.c (transform_access_sites): Fix computation.
997         (transform_allocation_sites): Same.
999 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
1001         * config/i386/i386.c (override_options): Use
1002         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
1004 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
1006         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
1007         (nonimm_not_xmm0_operand): Ditto.
1008         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
1009         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
1010         as operand[2] predicate.  Require "z" class XMM register for
1011         operand[3].  Adjust asm template.
1012         ("sse4_1_blendvpd"): Ditto.
1013         ("sse4_1_pblendvb"): Ditto.
1014         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
1015         force op2 into xmm0 register for variable blend instructions.
1017 2007-06-04  Tom Tromey  <tromey@redhat.com>
1019         * c-tree.h (start_enum): Update.
1020         (build_enumerator): Likewise.
1021         * c-decl.c (enum_next_value): Removed.
1022         (enum_overflow): Likewise.
1023         (start_enum): Add c_enum_contents argument.  Don't use globals.
1024         (build_enumerator): Likewise.
1025         * c-tree.h (struct c_enum_contents): New struct.
1027 2007-06-04  Tom Tromey  <tromey@redhat.com>
1029         * c-common.c (c_common_get_alias_set): Fix indentation.
1031 2007-06-04  Ian Lance Taylor  <iant@google.com>
1033         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
1034         to overflow, reduce overflow infinity to regular infinity.
1035         (vrp_var_may_overflow): New static function.
1036         (vrp_visit_phi_node): Check vrp_var_may_overflow.
1038 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
1040         * stor-layout.c (layout_type): Remove duplicate code.
1042 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
1044         PR c/32191
1045         * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
1046         before build_common_builtin_nodes ().
1048 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
1050         PR target/31733
1051         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
1053 2007-06-04  Jan Hubicka  <jh@suse.cz>
1055         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
1056         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
1057         instead of _stat version.
1059 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
1061         PR tree-optimization/32194
1062         * tree-predcom.c (determine_offset): Check that both references have
1063         the same type.
1065 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
1067         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
1068         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
1069         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1070         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
1071         Add argument to iterate_fix_dominators call.
1072         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
1073         * gcse.c (hoist_code): Change domby to vector.
1074         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
1075         Add argument to iterate_fix_dominators call.
1076         * loop-doloop.c (doloop_modify): Changed recount_dominator to
1077         recompute_dominator.
1078         * lambda-code.c (perfect_nestify): Ditto.
1079         * cfgloopanal.c: Include graphds.h.
1080         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
1081         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
1082         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
1083         add_edge call.
1084         * graphds.c: New file.
1085         * graphds.h: New file.
1086         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
1087         (get_dominated_by, get_dominated_by_region): Change return type to
1088         vector.
1089         (verify_dominators): Recompute all dominators and compare the results.
1090         (recount_dominator): Renamed to ...
1091         (recompute_dominator): ... this.  Do not check that the block is
1092         dominated by entry.
1093         (iterate_fix_dominators): Reimplemented.
1094         (prune_bbs_to_update_dominators, root_of_dom_tree,
1095         determine_dominators_for_sons): New functions.
1096         * et-forest.c (et_root): New function.
1097         * et-forest.h (et_root): Declare.
1098         * Makefile.in (graphds.o): Add.
1099         (cfgloopanal.o): Add graphds.h dependency.
1100         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
1101         * basic-block.h (get_dominated_by, get_dominated_by_region,
1102         iterate_fix_dominators): Declaration changed.
1103         (recount_dominator): Renamed to ...
1104         (recompute_dominator): ... this.
1105         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
1106         (thread_through_all_blocks): Do not free dominance info.
1108 2007-06-03  Andreas Schwab  <schwab@suse.de>
1110         * config/m68k/m68k.c (override_options): Don't override
1111         REAL_MODE_FORMAT.
1112         * config/m68k/m68k-modes.def (SF, DF): Define to use
1113         motorola_single_format and motorola_double_format, resp.
1114         * real.c (motorola_single_format): Renamed from
1115         coldfire_single_format.
1116         (motorola_double_format): Renamed from coldfire_double_format.
1117         (encode_ieee_extended): Generate a proper canonical NaN image
1118         respecting canonical_nan_lsbs_set.
1119         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
1120         true.
1121         * real.h: Adjust declarations.
1123 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1125         PR target/32163
1126         * config/sh/sh.md (symGOT_load): Don't schedule insns when
1127         the symbol is generated with the stack protector.
1129 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
1131         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
1132         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
1133         "interrupt".
1134         * doc/extend.texi (interrupt): Mention m68k.
1136 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
1138         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
1139         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
1140         (ix86_expand_sse_pcmpestr): Do not check operands for
1141         "register_operand", when insn operand predicate is "register_operand".
1142         (ix86_expand_sse_pcmpistr): Ditto.
1144 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
1145             Uros Bizjak  <ubizjak@gmail.com>
1147         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
1148         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
1149         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
1150         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
1151         * config/i386/constraints.md ("z"): New register constraint
1152         for members of SSE_FIRST_REG class.
1153         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
1154         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
1155         SSE_FIRST_REG class.
1156         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
1157         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
1158         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
1159         (IX86_BUILTIN_PCMPESTRM128): Likewise.
1160         (IX86_BUILTIN_PCMPESTRA128): Likewise.
1161         (IX86_BUILTIN_PCMPESTRC128): Likewise.
1162         (IX86_BUILTIN_PCMPESTRO128): Likewise.
1163         (IX86_BUILTIN_PCMPESTRS128): Likewise.
1164         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
1165         (IX86_BUILTIN_PCMPISTRI128): Likewise.
1166         (IX86_BUILTIN_PCMPISTRM128): Likewise.
1167         (IX86_BUILTIN_PCMPISTRA128): Likewise.
1168         (IX86_BUILTIN_PCMPISTRC128): Likewise.
1169         (IX86_BUILTIN_PCMPISTRO128): Likewise.
1170         (IX86_BUILTIN_PCMPISTRS128): Likewise.
1171         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
1172         (struct builtin_description): Change "flag" field to unsigned.
1173         (bdesc_pcmpestr): New builtin description table.
1174         (bdesc_pcmpistr): Likewise.
1175         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
1176         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
1177         Initialize pcmp[ei]str[im] insns for SSE4.2.
1178         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
1179         (ix86_expand_sse_pcmpistr): Likewise.
1180         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
1181         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
1182         (UNSPEC_PCMPISTR): Likewise.
1183         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
1184         (sse4_2_pcmpestri):New isns pattern.
1185         (sse4_2_pcmpestrm): Likewise.
1186         (sse4_2_pcmpestr_cconly): Likewise.
1187         (sse4_2_pcmpistr): New insn patern and splitter.
1188         (sse4_2_pcmpistri):New isns pattern.
1189         (sse4_2_pcmpistrm): Likewise.
1190         (sse4_2_pcmpistr_cconly): Likewise.
1191         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
1192         in SSE4.2.
1194 2007-06-01  David Daney  <ddaney@avtrex.com>
1196         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
1197         LOADGP_ABSOLUTE and not binds_local_p.
1199 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
1201         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
1203 2007-06-01  Ian Lance Taylor  <iant@google.com>
1205         * tree-vrp.c (compare_name_with_value): Always set
1206         used_strict_overflow if we get a result from the variable itself.
1208 2007-06-01  Ian Lance Taylor  <iant@google.com>
1210         PR rtl-optimization/31455
1211         * lower-subreg.c (find_decomposable_subregs): Don't decompose
1212         subregs which have a cast between modes which are not tieable.
1214 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
1216         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
1217         breaks after return statements.
1219 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
1221         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
1222         only after no_new_pseudos.
1224 2007-05-31  Eric Christopher  <echristo@apple.com>
1226         * expr.c (convert_move): Assert that we don't have a BLKmode
1227         operand.
1228         (store_expr): Handle BLKmode moves by calling emit_block_move.
1230 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
1232         * c-typeck.c (build_indirect_ref): Include type in error message.
1233         (build_binary_op): Pass types to binary_op_error.
1234         * c-common.c (binary_op_error): Take two type arguments, print out
1235         types with error.
1236         * c-common.h (binary_op_error): Update prototype.
1238 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1240         * config/i386/i386.c: Correct coments on -mno-sse4.
1242 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1244         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
1245         (x86_64-*-*): Likewise.
1246         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
1247         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
1248         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
1249         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
1250         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
1251         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
1252         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
1253         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
1254         (OPTION_MASK_ISA_SSE4): Likewise.
1255         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
1256         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
1257         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
1258         (override_options): Support SSE4.2.
1259         (ix86_build_const_vector): Support SImode and DImode.
1260         (ix86_build_signbit_mask): Likewise.
1261         (ix86_expand_int_vcond): Support V2DImode.
1262         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
1263         (IX86_BUILTIN_CRC32HI): Likewise.
1264         (IX86_BUILTIN_CRC32SI): Likewise.
1265         (IX86_BUILTIN_CRC32DI): Likewise.
1266         (IX86_BUILTIN_PCMPGTQ): Likewise.
1267         (bdesc_crc32): Likewise.
1268         (bdesc_sse_3arg): Likewise.
1269         (ix86_expand_crc32): Likewise.
1270         (ix86_init_mmx_sse_builtins): Support SSE4.2.
1271         (ix86_expand_builtin): Likewise.
1272         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
1273         __SSE4_2__ for -msse4.2.
1274         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
1275         (CRC32MODE): Likewise.
1276         (crc32modesuffix): Likewise.
1277         (crc32modeconstraint): Likewise.
1278         (sse4_2_crc32<mode>): Likewise.
1279         (sse4_2_crc32di): Likewise.
1280         * config/i386/i386.opt (msse4.2): New for SSE4.2.
1281         (msse4): Likewise.
1282         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
1283         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
1284         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
1285         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
1286         (vcondu<mode>): Likewise.
1287         * doc/extend.texi: Document SSE4.2 built-in functions.
1288         * doc/invoke.texi: Document -msse4.2/-msse4.
1290 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
1292         PR tree-optimization/32160
1293         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
1294         variable as gimple reg.
1295         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
1297 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
1299         * gcc.c (main): Don't consider linker options when issuing the
1300         warning about a linker input file not being used.
1302 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1304         * tree-vrp.c (compare_names): Initialize sop.
1306 2007-05-30  Dirk Mueller  <dmueller@suse.de>
1308         * cgraphunit.c (cgraph_analyze_function): Remove
1309         computation of inline parameters.
1311 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
1313         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
1315 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
1317         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
1318         Add vx-common.h.  Include vxworks.h between vx-common.h and
1319         arm/vxworks.h.
1320         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
1321         redefining.
1322         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
1323         (TARGET_ASM_DESTRUCTOR): Likewise.
1324         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
1325         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
1326         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1327         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
1328         (VXWORKS_ENDIAN_SPEC): Define.
1329         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
1330         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
1331         VXWORKS_* equivalents.
1332         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
1333         (ASM_FILE_START): Delete.
1334         (TARGET_VERSION): Reformat.
1335         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
1336         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
1337         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
1338         (FPBIT, DPBIT): Define.
1339         (fp-bit.c, dp-bit.c): New rules.
1340         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
1341         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
1342         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
1343         * config/arm/arm.h: Include vxworks-dummy.h.
1344         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
1345         Mark with ATTRIBUTE_UNUSED.
1346         (arm_override_options): Do not allow VxWorks RTP PIC to be used
1347         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
1348         make it incompatible with -msingle-pic-base.
1349         (arm_function_ok_for_sibcall): Return false for calls that might
1350         go through a VxWorks PIC PLT entry.
1351         (require_pic_register): New function, split out from...
1352         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
1353         for VxWorks RTPs.
1354         (arm_load_pic_register): Handle the VxWorks RTP initialization
1355         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
1356         (arm_emit_call_insn): New function.
1357         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
1358         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
1359         (pic_offset_arm): New pattern.
1360         (call, call_value): Use arm_emit_call_insn.
1361         (call_internal, call_value_internal): New expanders.
1362         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
1363         VxWorks unless __PIC__.
1365 2007-05-30  Eric Christopher  <echristo@gmail.com>
1367         * genrecog.c: Include regs.h in generated file.
1368         * genemit.c: Ditto. Fix up formatting.
1369         * config/mn10300/constraints.md: New.
1370         * config/mn10300/mn10300.md: Include.
1371         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
1372         Fix up for removed macro.
1373         * config/mn10300/predicates.md (call_address_operand):  Ditto.
1374         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
1375         (CONST_OK_FOR_I): Ditto.
1376         (CONST_OK_FOR_J): Ditto.
1377         (CONST_OK_FOR_K): Ditto.
1378         (CONST_OK_FOR_L): Ditto.
1379         (CONST_OK_FOR_M): Ditto.
1380         (CONST_OK_FOR_N): Ditto.
1381         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
1382         (OK_FOR_Q): Ditto.
1383         (OK_FOR_R): Ditto.
1384         (OK_FOR_T): Ditto.
1385         (EXTRA_CONSTRAINT): Ditto.
1387 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
1389         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
1390         Remove defines.
1391         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
1392         OPTION_MASK_ISA_64BIT.
1393         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
1395 2007-05-30  Richard Guenther  <rguenther@suse.de>
1397         PR middle-end/32152
1398         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
1399         types for comparison.
1400         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
1401         with original typed arguments.
1402         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
1404 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
1406         PR tree-optimization/31769
1407         * except.c (duplicate_eh_regions): Clear prev_try if
1408         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
1410 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
1412         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
1413         * tree-ssa-sink.c (statement_sink_location): Return basic block and
1414         bsi of the location where statements should be inserted.
1415         (sink_code_in_bb): Take bsi from statement_sink_location.
1416         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
1417         instead of bsi_start.
1418         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
1419         bsi_insert_after.
1420         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
1421         (bsi_move_before): Document inconsistency with bsi_move_after.
1422         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
1424 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
1426         * config/i386/i386.h (TARGET_ABM): New define.
1427         (TARGET_POPCNT): Ditto.
1428         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
1429         New temporary defines to redefine from OPTION_ISA_* defines.
1430         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
1431         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
1432         (ix86_isa_flags): New extern int declaration.
1433         (TARGET_SUBTARGET_DEFAULT): New define.
1434         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
1435         (TARGET_SUBTARGET32_DEFAULT): Ditto.
1436         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
1437         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
1438         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
1439         * config/i386/darwin.h: Change TARGET_64BIT define to
1440         OPTION_ISA_64BIT.
1442         * config/i386/i386.opt (m3dnowa): Define as undocumented option
1443         using existing "ix86_isa_flags" varible.
1444         (m32, m64): Use existing "ix86_isa_flags" variable.
1445         (mmmx, m3dnow): Ditto.
1446         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
1447         (mabm): Define as non-negative option using "x86_abm" variable.
1448         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
1450         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
1451         Rewrite feature test bitmap.
1452         (ix86_isa_flags): New initialized global int varible.
1453         (ix86_isa_flags_explicit): New static int variable.
1454         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
1455         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
1456         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
1457         target_flags_explicit.
1458         (override_options): Remove "target_enable" and "target_disable" fields
1459         from "struct ptt". Update processor_target_table accordingly. Remove
1460         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
1461         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
1462         "target_flags" and "ix86_isa_flags_explicit" instead of
1463         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
1464         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
1465         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
1466         to true when either of PTA_POPCNT or PTA_ABM is set in
1467         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
1468         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
1469         processor_alias_table flags entry.  Remove handling of
1470         "target_enable" and "target_disable" fields of processor_target_table.
1471         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
1472         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
1473         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
1474         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
1475         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
1476         "target_flags".
1477         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
1479 2007-05-29  David Daney  <ddaney@avtrex.com>
1481         PR gcc/31975
1482         * config/mips/mips.c (mips_output_mi_thunk): Emit
1483         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
1485 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
1486         * config/i386/i386.c (ix86_function_regparm): Added checking of
1487         ix86_force_align_arg_pointer to determine the number of
1488         register parameters.
1490 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
1492         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
1493         (SET_DR_MISALIGNMENT): New.
1494         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
1495         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
1496         Use SET_DR_MISALIGNMENT.
1497         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
1498         pointer.
1499         * tree-data-ref.c (create_data_ref, compute_all_dependences,
1500         find_loop_nest): Export.
1501         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
1502         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
1503         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
1504         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
1505         New macros.
1506         (struct mem_ref): Add field reuse_distance.
1507         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
1508         Initialize reuse_distance field.
1509         (issue_prefetch_ref): Select temporality of prefetch according to
1510         reuse_distance.
1511         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
1512         self_reuse_distance, determine_loop_nest_reuse): New functions.
1513         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
1514         (tree_ssa_prefetch_arrays): Dump L2 cache size.
1515         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
1516         dependency.
1518 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
1520         * tree-ssa-alias.c: Add aliasing overview.
1522 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
1523             Danny Smith  <dannysmith@users.sourceforge.net>
1525         PR target/29498
1526         * config/i386/t-crtfm: Compile crtfastmath.o with
1527         -minline-all-stringops.
1528         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
1529         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
1531 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1533         * doc/md.texi: Document constraints on HP PA-RISC.
1535         * pa/constraints.md: New file.
1536         * pa.md: Include constraints.md.
1537         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
1538         (integer_store_memory_operand, ldil_cint_p): New functions.
1539         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
1540         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
1541         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
1542         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
1543         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
1545 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
1547         PR c/31339
1548         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
1549         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
1550         case POSTDECREMENT_EXPR>): Return the error_mark_node
1551         if either the real or imaginary parts would an
1552         error_mark_node.
1554 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
1556         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
1557         name when we remove it from a call.
1559 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
1561         * targhooks.c (default_narrow_bitfield): Remove.
1562         * targhooks.h: Remove the prototype for
1563         default_narrow_bitfield.
1565         * langhooks-def.h: Remove the prototype for
1566         hook_get_alias_set_0.
1567         * langhooks.c (hook_get_alias_set_0): Remove.
1569         * global.c (EXECUTE_IF_CONFLICT): Remove.
1571 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1573         PR tree-opt/32100
1574         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
1575         return true when truth_value_p is true and the type
1576         is of signed:1.
1578 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
1580         * doc/install.texi (Prerequisites): We no longer require Autoconf
1581         2.13 for the top-level.
1583 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
1585         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
1586         memory access via x86_expand_vector_move_misalign() only for
1587         TImode values on 32-bit targets.
1589 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
1591         * matrix-reorg.c: New file. Implement matrix flattening and
1592         transposing optimization.
1593         * tree-pass.h: Add matrix reorg pass.
1594         * common.opt: Add fipa-mreorg flag.
1595         * Makefile.in: Add matrix-reorg.c.
1596         * passes.c: Add matrix reorg pass.
1597         * varpool.c (add_new_static_var): New function.
1598         * cgraph.h (add_new_static_var): Declare.
1600 2007-05-27  Eric Christopher  <echristo@apple.com>
1602         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
1603         sp_offset depending on stack size. Save r12 depending
1604         on registers we're saving later.
1605         (rs6000_emit_epilogue): Update sp_offset depending only
1606         on stack size.
1608 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
1610         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
1611         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1612         * ifcvt.c (if_convert): Ditto.
1613         * tree-ssa-threadupdate.c (thread_block): Ditto.
1614         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
1615         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
1616         verify_loop_closed_ssa): Check number_of_loops instead of
1617         current_loops.
1618         * predict.c (tree_estimate_probability): Ditto.
1619         * tree-if-conv.c (main_tree_if_conversion): Ditto.
1620         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1621         * modulo-sched.c (sms_schedule): Ditto.
1622         * tree-scalar-evolution.c (scev_const_prop): Ditto.
1623         (scev_finalize): Do not do anything if scev analysis was not
1624         initialized.
1625         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
1626         current_loops == NULL.
1627         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
1628         * loop-init.c (loop_optimizer_init): Do not free current_loops when
1629         there are no loops.
1630         (loop_optimizer_finalize): Assert that loops were analyzed.
1631         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
1632         rtl_doloop): Check number_of_loops instead of current_loops.
1633         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
1634         current_loops == NULL.
1635         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
1636         gate_tree_vectorize tree_linear_transform, check_data_deps,
1637         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1638         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
1639         Check number_of_loops instead of current_loops.
1640         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
1641         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
1642         free loops if available.
1643         (execute_pre): Do not pass do_fre to fini_pre.
1645 2007-05-27  Tobias Burnus  <burnus@net-b.de>
1647         PR middle-end/32083
1648         * real.c (mpfr_from_real): Fix sign of -Inf.
1650 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
1652         * tree-vect-transform.c (vectorizable_conversion): Initialize
1653         tree_code variables to ERROR_MARK.
1654         (vectorizable_type_demotion): Likewise.
1655         (vectorizable_type_promotion): Likewise.
1657 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
1659         PR target/32065
1660         * config/i386/i386.md (movti): Handle push operands via
1661         ix86_expand_push().
1663 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
1665         * basic-block.h: Remove the prototype for merge_seq_blocks.
1666         * cfgcleanup.c (merge_seq_blocks): Remove.
1668         * tree-flow.h: Remove the prototype for is_aliased_with.
1669         * tree-ssa-alias.c (is_aliased_with): Remove.
1671 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
1673         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
1675         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
1677         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
1678         ix86_expand_sse4_unpack if SSE4.1 is enabled.
1679         (vec_unpacks_hi_v16qi): Likewise.
1680         (vec_unpacku_lo_v16qi): Likewise.
1681         (vec_unpacks_lo_v16qi): Likewise.
1682         (vec_unpacku_hi_v8hi): Likewise.
1683         (vec_unpacks_hi_v8hi): Likewise.
1684         (vec_unpacku_lo_v8hi): Likewise.
1685         (vec_unpacks_lo_v8hi): Likewise.
1686         (vec_unpacku_hi_v4si): Likewise.
1687         (vec_unpacks_hi_v4si): Likewise.
1688         (vec_unpacku_lo_v4si): Likewise.
1689         (vec_unpacks_lo_v4si): Likewise.
1691 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
1693         * c-typeck.c, config/arm/arm.c, config/darwin.c,
1694         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
1695         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
1696         follow spelling conventions in various
1697         warning/error/diagnostic messages.
1699         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
1700         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
1701         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
1702         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
1703         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
1704         * doc/tm.texi: Follow spelling conventions.
1706 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1708         PR tree-opt/32090
1709         * tree-ssa-forwprop.c
1710         (forward_propagate_addr_into_variable_array_index): Remove
1711         the lhs argument.  Use the type of def_rhs instead of lhs.
1712         (forward_propagate_addr_expr_1): Update use of
1713         forward_propagate_addr_into_variable_array_index.
1715 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
1716             Nigel Stephens  <nigel@mips.com>
1718         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
1719         function attributes, "far" being an alias for "long_call".
1720         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
1721         (mips_near_type_p, mips_far_type_p): New.
1722         (mips_comp_type_attributes): New function to check that attributes
1723         attached to a function type are compatible.
1724         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
1725         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
1726         to the target function of the thunk.
1727         (mips_encode_section_info): Check for "near" and "far" function
1728         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
1730         * config/mips/predicates.md (const_call_insn_operand): Test only
1731         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
1733         * doc/extend.texi (Function Attributes): Document MIPS "near" and
1734         "far" attributes.
1736         * testsuite/gcc.target/mips/near-far-1.c:  New test case.
1737         * testsuite/gcc.target/mips/near-far-2.c:  New test case.
1738         * testsuite/gcc.target/mips/near-far-3.c:  New test case.
1739         * testsuite/gcc.target/mips/near-far-4.c:  New test case.
1741 2007-05-25  Eric Christopher  <echristo@apple.com>
1743         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
1744         to x86-darwin configurations.
1745         * config/i386/t-darwin: Add softfp support.
1746         * config/i386/t-darwin64: Ditto.
1747         * config/i386/sfp-machine.h: If mach then don't use
1748         aliasing, emit a stub to call.
1750 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
1752         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
1753         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
1754         tree-predcom.c, tree-ssa-alias-warnings.c,
1755         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
1756         comment typos.  Follow spelling conventions.
1757         * doc/cpp.texi, doc/invoke.texi: Fix typos.
1759 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
1761         PR target/32065
1762         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
1763         constants into memory.  Expand unaligned memory references for
1764         SSE modes via x86_expand_vector_move_misalign() function.
1766 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
1768         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
1769         "memory" attribute for "sseishft" type insn without operands[2].
1771 2007-05-25  Dirk Mueller  <dmueller@suse.de>
1772             Marcus Meissner <meissner@suse.de>
1774         * doc/extend.texi (alloc_size): New attribute.
1775         * c-common.c (handle_alloc_size_attribute): New.
1776         * tree-object-size.c (alloc_object_size): Use alloc_size
1777         attribute, if available.
1779 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
1781         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
1782         with MASK_SSE2.
1783         (__builtin_ia32_vec_ext_v2di): Likewise.
1784         (__builtin_ia32_vec_ext_v4si): Likewise.
1785         (__builtin_ia32_vec_ext_v8hi): Likewise.
1786         (__builtin_ia32_vec_ext_v16qi): Likewise.
1787         (__builtin_ia32_vec_set_v8hi): Likewise.
1789 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
1791         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
1793 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
1795         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
1796         (arm_is_longcall_p): Rename to...
1797         (arm_is_long_call_p): ...this.  Take a single tree argument and
1798         return a bool.
1799         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
1800         (CUMULATIVE_ARGS): Remove call_cookie.
1801         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
1802         (ENCODED_LONG_CALL_ATTR_P): Delete.
1803         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
1804         LONG_CALL_FLAG_CHAR cases.
1805         (ARM_DECLARE_FUNCTION_SIZE): Delete.
1806         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
1807         ARM_DECLARE_FUNCTION_SIZE.
1808         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
1809         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
1810         (arm_encode_call_attribute, current_file_function_operand): Delete.
1811         (arm_function_in_section_p): New function.
1812         (arm_is_longcall_p): Rename to...
1813         (arm_is_long_call_p): ...this.  Take the target function as a single
1814         argument and return a bool.  Do not rely on call cookies.  Check
1815         whether the target symbol is in the same section as the current
1816         function, not just the same compilation unit.
1817         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
1818         (arm_encode_section_info): Don't encode a call type.
1819         * config/arm/arm.md (call, call_value): Update calls to
1820         arm_is_long(_)call_p.  Simplify logic.
1821         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
1822         Update calls to arm_is_long(_)call_p.
1824 2007-05-25  Richard Guenther  <rguenther@suse.de>
1826         PR tree-optimization/31982
1827         * tree-ssa-forwprop.c
1828         (forward_propagate_addr_into_variable_array_index): Handle arrays
1829         with element size one.
1831 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1833         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
1834         (umulsi3_highpart): Likewise.
1836 2007-05-24  Ian Lance Taylor  <iant@google.com>
1838         PR rtl-optimization/32069
1839         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
1840         is NULL.
1842 2007-05-24  Ollie Wild  <aaw@google.com>
1844         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
1845         description.
1847 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
1849         * postreload-gcse.c (reg_changed_after_insn_p): New function.
1850         (oprs_unchanged_p): Use it to check all registers in a REG.
1851         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
1852         (reg_set_between_after_reload_p): Delete.
1853         (reg_used_between_after_reload_p): Likewise.
1854         (reg_set_or_used_since_bb_start): Likewise.
1855         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
1856         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
1857         Use reg_set_between_p instead of reg_set_between_after_reload_p.
1858         * rtlanal.c (reg_set_p): Check whether REG overlaps
1859         regs_invalidated_by_call, rather than just checking the
1860         membership of REGNO (REG).
1862 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
1864         * doc/passes.texi: Document predictive commoning.
1865         * doc/invoke.texi (-fpredictive-commoning): Document.
1866         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
1867         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
1868         adding indices to the generated name.
1869         (schedule_sm): Pass 0 to get_lsm_tmp_name.
1870         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
1871         * tree-pretty-print.c (op_symbol_1): Renamed to ...
1872         (op_symbol_code): ... and exported.
1873         (dump_omp_clause, op_symbol): Use op_symbol_code
1874         instead of op_symbol_1.
1875         * tree-pass.h (pass_predcom): Declare.
1876         * timevar.def (TV_PREDCOM): New timevar.
1877         * tree-ssa-loop.c (run_tree_predictive_commoning,
1878         gate_tree_predictive_commoning, pass_predcom): New.
1879         * tree-data-ref.c (find_data_references_in_loop): Find the
1880         references in dominance order.
1881         (canonicalize_base_object_address): Ensure that the result has
1882         pointer type.
1883         (dr_analyze_innermost): Export.
1884         (create_data_ref): Code to fail for references with invariant
1885         address moved ...
1886         (find_data_references_in_stmt): ... here.
1887         * tree-data-ref.h (dr_analyze_innermost): Declare.
1888         * tree-affine.c: Include tree-gimple.h and hashtab.h.
1889         (aff_combination_find_elt, name_expansion_hash,
1890         name_expansion_eq, tree_to_aff_combination_expand,
1891         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
1892         New functions.
1893         * tree-affine.h (aff_combination_constant_multiple_p,
1894         tree_to_aff_combination_expand): Declare.
1895         * tree-predcom.c: New file.
1896         * common.opt (fpredictive-commoning): New option.
1897         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
1898         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
1899         * Makefile.in (tree-predcom.o): Add.
1900         (tree-affine.o): Add TREE_GIMPLE_H dependency.
1901         * passes.c (init_optimization_passes):  Add dceloop after
1902         copy propagation in loop optimizer.  Add predictive commoning
1903         to loop optimizer passes.
1905 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1907         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
1908         default hook.
1910 2007-05-24  Jan Hubicka  <jh@suse.cz>
1912         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
1913         statistics.
1914         (genheader): Include statistics.h.
1916         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
1917         notes are gone.
1918         * print-rtl.c (flag_dump_unnumbered): Update comments.
1919         (print_rtl): Fix my previous change.
1920         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
1921         specific data.
1923 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
1925         PR middle-end/32018
1926         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
1927         set_loop_copy.
1928         (thread_through_all_blocks): Call initialize_original_copy_tables
1929         and free_original_copy_tables.
1930         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
1931         Use set_loop_copy.
1932         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
1933         * cfghooks.c (duplicate_block): Use get_loop_copy.
1934         * cfg.c: Include cfgloop.h.
1935         (loop_copy): New hash table.
1936         (initialize_original_copy_tables): Initialize loop_copy table.
1937         (free_original_copy_tables): Free loop_copy table.
1938         (copy_original_table_clear, copy_original_table_set,
1939         set_loop_copy, get_loop_copy): New functions.
1940         (set_bb_original, set_bb_copy): Use copy_original_table_set.
1941         * cfgloop.h (struct loop): Remove copy field.
1942         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
1943         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
1945 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1947         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
1948         -msse/-msse2/-msse3.
1950 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1952         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
1953         __builtin_ia32_vec_set_v2di with MASK_64BIT.
1955 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
1957         PR target/27067
1958         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
1959         * targhooks.h (default_mangle_decl_assembler_name): Declare
1960         default hook.
1961         * targhooks.c (default_mangle_decl_assembler_name): Define
1962         default hook.
1963         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
1964         default hook.
1965         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
1966         * langhooks.c (lhd_set_decl_assembler_name): Call
1967         targetm.mangle_decl_assembler_name for names with global scope.
1969         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
1970         default.
1971         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
1972         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
1973         Declare.
1974         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
1975         New. Factored out of i386_pe_encode_section_info.
1976         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
1977         Move check for prior decoration of stdcall
1978         symbols to i386_pe_encode_section_info.
1979         (i386_pe_encode_section_info): Adjust call to
1980         gen_stdcall_or_fastcall_suffix.  Use
1981         i386_pe_maybe_mangle_decl_assembler_name, if needed.
1982         (i386_pe_mangle_decl_assembler_name): New. Wrap
1983         i386_pe_maybe_mangle_decl_assembler_name.
1985 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
1987         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
1988         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
1989         * langhooks.c (get_signed_or_unsigned_type): Don't check for
1990         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
1991         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
1992         TYPE_UNSIGNED.
1994 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
1995             Nigel Stephens  <nigel@mips.com>
1996             Richard Sandiford  <richard@codesourcery.com>
1998         Fix up MIPS16 hard float and add support for complex.
2000         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
2001         (TARGET_SOFT_FLOAT_ABI): New.
2002         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
2003         __mips_soft_float to reflect the ABI in use, not whether the
2004         FPU is directly accessible (e.g., in MIPS16 mode).
2005         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
2006         (UNITS_PER_FPVALUE): Likewise.
2008         * config/mips/mips.c (mips_expand_call): Remove redundant
2009         TARGET_MIPS16 check.
2010         (mips_arg_regno): New.
2011         (function_arg_advance): When setting bits in cum->fp_code for
2012         MIPS16, don't subtract 1 from cum->arg_number, since it is now
2013         zero-based.
2014         (function_arg): Use mips_arg_regno.
2015         (mips_return_mode_in_fpr_p): New.
2016         (mips16_call_stub_mode_suffix): New.
2017         (mips16_cfun_returns_in_fpr_p): New.
2018         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
2019         (mips_output_function_prologue): Test mips16_hard_float, not
2020         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
2021         (mips_expand_epilogue): Call MIPS16 helper routines to copy
2022         return value into a floating-point register.
2023         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
2024         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
2025         (mips16_fp_args): Handle MIPS32r2 ISA which supports
2026         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
2027         word of double arguments from or to the high bits of 64-bit
2028         floating point registers.
2029         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
2030         (mips16_fpret_double): New helper function.
2031         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
2032         support for complex modes.  Fill in DECL_RESULT for stubdecl.
2033         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
2035         * config/mips/mips16.S
2036         (RET, ARG1, ARG2): New.
2037         (MERGE_GPRf, MERGE_GPRt): New.
2038         (DELAYt, DELAYf): New.
2039         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
2040         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
2041         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
2042         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
2043         (SFOP): Renamed to...
2044         (OPSF3): This, and macro-ified.  Updated all uses.
2045         (SFOP2): Renamed to...
2046         (OPSF2): This, and macro-ified.  Updated all uses.
2047         (SFCMP): Renamed to...
2048         (CMPSF): This, and macro-ified.  Updated all uses.
2049         (SFREVCMP): Renamed to...
2050         (REVCMPSF): This, and macro-ified.  Updated all uses.
2051         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
2052         (LDDBL1, LDDBL2, RETDBL): Deleted.
2053         (DFOP): Renamed to...
2054         (OPDF3): This, and macro-ified.  Updated all uses.
2055         (DFOP2): Renamed to...
2056         (OPDF2): This, and macro-ified.  Updated all uses.
2057         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
2058         (DFCMP): Renamed to...
2059         (CMPDF): This, and macro-ified.  Updated all uses.
2060         (DFREVCMP): Renamed to...
2061         (REVCMPDF): This, and macro-ified.  Updated all uses.
2062         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
2063         (RET_FUNCTION): New.
2064         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
2065         (__mips16_ret_sc, __mips16_ret_dc): New.
2066         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
2067         STUB_ARGS_6, STUB_ARGS_10): New.
2068         (CALL_STUB_NO_RET): New.
2069         (__mips16_call_stub_1): Macro-ified.
2070         (__mips16_call_stub_5): Macro-ified.
2071         (__mips16_call_stub_2): Macro-ified.
2072         (__mips16_call_stub_6): Macro-ified.
2073         (__mips16_call_stub_9): Macro-ified.
2074         (__mips16_call_stub_10): Macro-ified.
2075         (CALL_STUB_RET): New.
2076         (__mips16_call_stub_sf_0): Macro-ified.
2077         (__mips16_call_stub_sf_1): Macro-ified.
2078         (__mips16_call_stub_sf_5): Macro-ified.
2079         (__mips16_call_stub_sf_2): Macro-ified.
2080         (__mips16_call_stub_sf_6): Macro-ified.
2081         (__mips16_call_stub_sf_9): Macro-ified.
2082         (__mips16_call_stub_sf_10): Macro-ified.
2083         (__mips16_call_stub_df_0): Macro-ified.
2084         (__mips16_call_stub_df_1): Macro-ified.
2085         (__mips16_call_stub_df_5): Macro-ified.
2086         (__mips16_call_stub_df_2): Macro-ified.
2087         (__mips16_call_stub_df_6): Macro-ified.
2088         (__mips16_call_stub_df_9): Macro-ified.
2089         (__mips16_call_stub_df_10): Macro-ified.
2090         (__mips16_call_stub_sc_0): New.
2091         (__mips16_call_stub_sc_1): New.
2092         (__mips16_call_stub_sc_5): New.
2093         (__mips16_call_stub_sc_2): New.
2094         (__mips16_call_stub_sc_6): New.
2095         (__mips16_call_stub_sc_9): New.
2096         (__mips16_call_stub_sc_10): New.
2097         (__mips16_call_stub_dc_0): New.
2098         (__mips16_call_stub_dc_1): New.
2099         (__mips16_call_stub_dc_5): New.
2100         (__mips16_call_stub_dc_2): New.
2101         (__mips16_call_stub_dc_6): New.
2102         (__mips16_call_stub_dc_9): New.
2103         (__mips16_call_stub_dc_10): New.
2105         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
2106         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
2107         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
2109 2007-05-23  Ian Lance Taylor  <iant@google.com>
2111         * doc/invoke.texi (Invoking GCC): Document that the order of the
2112         -l option matters.
2114 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
2116         PR target/30987
2117         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
2118         * config/score/predicate.md (const_pow2, const_npow2): Remove.
2119         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
2120         undef.
2122         PR target/30474
2123         * config/score/score.c (score_print_operand): Make sure that only
2124         lower bits are used.
2126 2007-05-22  Ian Lance Taylor  <iant@google.com>
2128         * tree-vrp.c (avoid_overflow_infinity): New static function,
2129         broken out of set_value_range_to_value.
2130         (set_value_range_to_value): Call avoid_overflow_infinity.
2131         (extract_range_from_assert): Likewise.
2133 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2135         PR middle-end/31095
2136          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
2137         change the type before looking for a COMPOUND_EXPR.
2139 2007-05-22  Ian Lance Taylor  <iant@google.com>
2141         * lower-subreg.c (decompose_multiword_subregs): If we change an
2142         insn, call remove_retval_note on it.
2144 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
2146         * regs.h (end_hard_regno): New function.
2147         (END_HARD_REGNO, END_REGNO): New macros.
2148         (add_to_hard_reg_set): New function.
2149         (remove_from_hard_reg_set): Likewise.
2150         (in_hard_reg_set_p): Likewise.
2151         (overlaps_hard_reg_set_p): Likewise.
2152         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
2153         (note_btr_set): Use END_HARD_REGNO.
2154         * caller-save.c (setup_save_areas): Use end_hard_regno.
2155         (mark_set_regs): Use END_HARD_REGNO.
2156         (add_stored_regs): Use end_hard_regno.
2157         (mark_referenced_regs): Use add_to_hard_reg_set.
2158         * combine.c (update_table_tick): Use END_REGNO.
2159         (record_value_for_reg): Likewise.
2160         (record_dead_and_set_regs): Likewise.
2161         (get_last_value_validate): Likewise.
2162         (use_crosses_set_p): Likewise.
2163         (reg_dead_at_p_1): Likewise.
2164         (reg_dead_at_p): Likewise.
2165         (mark_used_regs_combine): Use add_to_hard_reg_set.
2166         (move_deaths): Use END_HARD_REGNO.
2167         (reg_bitfield_target_p): Use end_hard_regno.
2168         (distribute_notes): Use END_HARD_REGNO.
2169         * cse.c (mention_regs): Use END_REGNO.
2170         (insert): Use add_to_hard_reg_set.
2171         (invalidate): Use END_HARD_REGNO.
2172         (invalidate_for_call): Likewise.
2173         (exp_equiv_p): Use END_REGNO.
2174         (cse_insn): Likewise.
2175         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
2176         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
2177         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
2178         * function.c (keep_stack_depressed): Use end_hard_regno.
2179         * global.c (global_alloc): Use end_hard_regno.
2180         (global_conflicts): Use add_to_hard_reg_set instead of
2181         mark_reg_live_nc.
2182         (find_reg): Likewise.
2183         (mark_reg_store): Likewise.
2184         (mark_reg_conflicts): Likewise.
2185         (mark_reg_death): Use remove_from_hard_reg_set.
2186         (mark_reg_live_nc): Delete.
2187         (set_preference): Use end_hard_regno.
2188         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
2189         remove_from_hard_reg_set.
2190         (post_mark_life): Use add_to_hard_reg_set.
2191         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
2192         (reg_becomes_live): Use add_to_hard_reg_set.
2193         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
2194         (peep2_find_free_register): Use add_to_hard_reg_set.
2195         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
2196         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
2197         * regrename.c (note_sets): Use add_to_hard_reg_set.
2198         (clear_dead_regs): Use remove_from_hard_reg_set.
2199         (regrename_optimize): Use add_to_hard_reg_set.
2200         (find_oldest_value_reg): Use in_hard_reg_set_p.
2201         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
2202         (hard_reg_set_here_p): Use end_hard_regno.
2203         (decompose): Likewise.
2204         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
2205         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
2206         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
2207         (mark_home_live): Use end_hard_regno.
2208         (spill_hard_reg): Likewise.
2209         (clear_reload_reg_in_use): Likewise.
2210         * reorg.c (delete_prior_computation): Use END_REGNO.
2211         * resource.c (update_live_status): Use END_HARD_REGNO.
2212         (mark_referenced_resources): Use add_to_hard_reg_set.
2213         (mark_set_resources): Likewise.
2214         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
2215         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
2216         (reg_overlap_mentioned_p): Likewise.
2217         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
2218         (covers_regno_no_parallel_p): Use END_REGNO.
2219         (find_regno_note): Likewise.
2220         (find_reg_fusage): Use END_HARD_REGNO.
2221         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
2222         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
2224 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
2226         * mode-switching.c (reg_dies): Change type of second argument to
2227         "HARD_REG_SET *".
2228         (optimize_mode_switching): Update accordingly.
2230 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
2232         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
2233         in favor of...
2234         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
2235         (hard_reg_set_empty_p): ...these new functions.
2236         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
2237         GO_IF_HARD_REG_SUBSET.
2238         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
2239         instead of GO_IF_HARD_REG_EQUAL.
2240         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
2241         instead of GO_IF_HARD_REG_EQUAL.
2242         * global.c (find_reg): Use hard_reg_set_empty_p instead of
2243         GO_IF_HARD_REG_SUBSET.
2244         (modify_reg_pav): Use hard_reg_set_empty_p instead of
2245         GO_IF_HARD_REG_EQUAL.
2246         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
2247         of GO_IF_HARD_REG_SUBSET.
2248         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
2249         instead of GO_IF_HARD_REG_EQUAL.
2250         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
2251         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
2252         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
2253         of GO_IF_HARD_REG_SUBSET,
2254         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
2255         GO_IF_HARD_REG_SUBSET.
2256         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
2257         instead of GO_IF_HARD_REG_EQUAL.
2258         * config/sh/sh.c (push_regs, calc_live_regs): Use
2259         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
2260         (hard_regs_intersect_p): Delete.
2262 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
2264         * doc/sourcebuild.texi (Test Directives) Add dg-message.
2266 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2267             Richard Henderson  <rth@redhat.com>
2269         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
2270         extra_headers.
2271         (x86_64-*-*): Likewise.
2273         * i386/i386-modes.def (V2QI): New.
2275         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
2276         SSE4A.
2277         (override_options): Support SSE4.1.
2278         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
2279         (IX86_BUILTIN_BLENDPS): Likewise.
2280         (IX86_BUILTIN_BLENDVPD): Likewise.
2281         (IX86_BUILTIN_BLENDVPS): Likewise.
2282         (IX86_BUILTIN_PBLENDVB128): Likewise.
2283         (IX86_BUILTIN_PBLENDW128): Likewise.
2284         (IX86_BUILTIN_DPPD): Likewise.
2285         (IX86_BUILTIN_DPPS): Likewise.
2286         (IX86_BUILTIN_INSERTPS128): Likewise.
2287         (IX86_BUILTIN_MOVNTDQA): Likewise.
2288         (IX86_BUILTIN_MPSADBW128): Likewise.
2289         (IX86_BUILTIN_PACKUSDW128): Likewise.
2290         (IX86_BUILTIN_PCMPEQQ): Likewise.
2291         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
2292         (IX86_BUILTIN_PMAXSB128): Likewise.
2293         (IX86_BUILTIN_PMAXSD128): Likewise.
2294         (IX86_BUILTIN_PMAXUD128): Likewise.
2295         (IX86_BUILTIN_PMAXUW128): Likewise.
2296         (IX86_BUILTIN_PMINSB128): Likewise.
2297         (IX86_BUILTIN_PMINSD128): Likewise.
2298         (IX86_BUILTIN_PMINUD128): Likewise.
2299         (IX86_BUILTIN_PMINUW128): Likewise.
2300         (IX86_BUILTIN_PMOVSXBW128): Likewise.
2301         (IX86_BUILTIN_PMOVSXBD128): Likewise.
2302         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
2303         (IX86_BUILTIN_PMOVSXWD128): Likewise.
2304         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
2305         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
2306         (IX86_BUILTIN_PMOVZXBW128): Likewise.
2307         (IX86_BUILTIN_PMOVZXBD128): Likewise.
2308         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
2309         (IX86_BUILTIN_PMOVZXWD128): Likewise.
2310         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
2311         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
2312         (IX86_BUILTIN_PMULDQ128): Likewise.
2313         (IX86_BUILTIN_PMULLD128): Likewise.
2314         (IX86_BUILTIN_ROUNDPD): Likewise.
2315         (IX86_BUILTIN_ROUNDPS): Likewise.
2316         (IX86_BUILTIN_ROUNDSD): Likewise.
2317         (IX86_BUILTIN_ROUNDSS): Likewise.
2318         (IX86_BUILTIN_PTESTZ): Likewise.
2319         (IX86_BUILTIN_PTESTC): Likewise.
2320         (IX86_BUILTIN_PTESTNZC): Likewise.
2321         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
2322         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
2323         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
2324         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
2325         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
2326         (bdesc_ptest): New.
2327         (bdesc_sse_3arg): Likewise.
2328         (bdesc_2arg): Likewise.
2329         (bdesc_1arg): Likewise.
2330         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
2331         with 3 args.
2332         (ix86_expand_sse_4_operands_builtin): New.
2333         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
2334         smaller than 8 bits as the 2nd arg.
2335         (ix86_expand_sse_ptest): New.
2336         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
2337         (ix86_expand_vector_set): Support SSE4.1.
2338         (ix86_expand_vector_extract): Likewise.
2340         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
2341         __SSE4_1__ for -msse4.1.
2343         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
2344         (UNSPEC_INSERTPS): Likewise.
2345         (UNSPEC_DP): Likewise.
2346         (UNSPEC_MOVNTDQA): Likewise.
2347         (UNSPEC_MPSADBW): Likewise.
2348         (UNSPEC_PHMINPOSUW): Likewise.
2349         (UNSPEC_PTEST): Likewise.
2350         (UNSPEC_ROUNDP): Likewise.
2351         (UNSPEC_ROUNDS): Likewise.
2353         * config/i386/i386.opt (msse4.1): New for SSE4.1.
2355         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
2356         (const_pow2_1_to_32768_operand): Likewise.
2358         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
2359         file.
2361         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
2362         SSE4.1.
2363         (sse4_1_insertps): Likewise.
2364         (*sse4_1_extractps): Likewise.
2365         (sse4_1_ptest): Likewise.
2366         (sse4_1_mulv2siv2di3): Likewise.
2367         (*sse4_1_mulv4si3): Likewise.
2368         (*sse4_1_smax<mode>3): Likewise.
2369         (*sse4_1_umax<mode>3): Likewise.
2370         (*sse4_1_smin<mode>3): Likewise.
2371         (*sse4_1_umin<mode>3): Likewise.
2372         (sse4_1_eqv2di3): Likewise.
2373         (*sse4_1_pinsrb): Likewise.
2374         (*sse4_1_pinsrd): Likewise.
2375         (*sse4_1_pinsrq): Likewise.
2376         (*sse4_1_pextrb): Likewise.
2377         (*sse4_1_pextrb_memory): Likewise.
2378         (*sse4_1_pextrw_memory): Likewise.
2379         (*sse4_1_pextrq): Likewise.
2380         (sse4_1_blendpd): Likewise.
2381         (sse4_1_blendps): Likewise.
2382         (sse4_1_blendvpd): Likewise.
2383         (sse4_1_blendvps): Likewise.
2384         (sse4_1_dppd): Likewise.
2385         (sse4_1_dpps): Likewise.
2386         (sse4_1_movntdqa): Likewise.
2387         (sse4_1_mpsadbw): Likewise.
2388         (sse4_1_packusdw): Likewise.
2389         (sse4_1_pblendvb): Likewise.
2390         (sse4_1_pblendw): Likewise.
2391         (sse4_1_phminposuw): Likewise.
2392         (sse4_1_extendv8qiv8hi2): Likewise.
2393         (*sse4_1_extendv8qiv8hi2): Likewise.
2394         (sse4_1_extendv4qiv4si2): Likewise.
2395         (*sse4_1_extendv4qiv4si2): Likewise.
2396         (sse4_1_extendv2qiv2di2): Likewise.
2397         (*sse4_1_extendv2qiv2di2): Likewise.
2398         (sse4_1_extendv4hiv4si2): Likewise.
2399         (*sse4_1_extendv4hiv4si2): Likewise.
2400         (sse4_1_extendv2hiv2di2): Likewise.
2401         (*sse4_1_extendv2hiv2di2): Likewise.
2402         (sse4_1_extendv2siv2di2): Likewise.
2403         (*sse4_1_extendv2siv2di2): Likewise.
2404         (sse4_1_zero_extendv8qiv8hi2): Likewise.
2405         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
2406         (sse4_1_zero_extendv4qiv4si2): Likewise.
2407         (*sse4_1_zero_extendv4qiv4si2): Likewise.
2408         (sse4_1_zero_extendv2qiv2di2): Likewise.
2409         (*sse4_1_zero_extendv2qiv2di2): Likewise.
2410         (sse4_1_zero_extendv4hiv4si2): Likewise.
2411         (*sse4_1_zero_extendv4hiv4si2): Likewise.
2412         (sse4_1_zero_extendv2hiv2di2): Likewise.
2413         (*sse4_1_zero_extendv2hiv2di2): Likewise.
2414         (sse4_1_zero_extendv2siv2di2): Likewise.
2415         (*sse4_1_zero_extendv2siv2di2): Likewise.
2416         (sse4_1_roundpd): Likewise.
2417         (sse4_1_roundps): Likewise.
2418         (sse4_1_roundsd): Likewise.
2419         (sse4_1_roundss): Likewise.
2420         (mulv4si3): Don't expand for SSE4.1.
2421         (smax<mode>3): Likewise.
2422         (umaxv4si3): Likewise.
2423         (uminv16qi3): Likewise.
2424         (umin<mode>3): Likewise.
2425         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
2427         * doc/extend.texi: Document SSE4.1 built-in functions.
2429         * doc/invoke.texi: Document -msse4.1.
2431 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
2433         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
2434         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
2435         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
2436         (ASM_SPEC): Add asm_pcrel_spec.
2437         (EXTRA_SPECS): Add asm_pcrel_spec.
2439 2007-05-21  David Daney  <ddaney@avtrex.com>
2441         * doc/install.texi (Building a cross compiler): Add requirements
2442         for Java cross compiler.
2444 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2446         PR middle-end/31995
2447         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
2448         Add loopno argument.  Use evolution_function_is_invariant_rec_p
2449         instead of evolution_function_is_constant_p.
2450         Update calls to evolution_function_is_affine_multivariate_p.
2451         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
2452         Add loopno argument.
2453         * tree-scalar-evolution.c (gather_chrec_stats): Call
2454         evolution_function_is_affine_multivariate_p with a loop
2455         number of 0.
2456         * tree-data-ref.c (analyze_miv_subscript): Likewise.
2457         (analyze_overlapping_iterations): Likewise.
2458         (access_functions_are_affine_or_constant_p): Likewise.
2459         (build_classic_dist_vector_1): If the access functions
2460         are equal, don't do anything.
2462 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
2463             Paolo Carlini  <pcarlini@suse.de>
2464             Uros Bizjak  <ubizjak@gmail.com>
2466         * c-cppbuiltin.c (c_cpp_builtins): Define
2467         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
2468         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
2469         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
2470         * doc/cpp.texi ([Standard Predefined Macros]): Document.
2472 2007-05-21  Mike Stump  <mrs@apple.com>
2474         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
2475         handling as well.
2476         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
2478 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
2480         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
2481         implementation if __OPTIMIZE__ is not defined.
2482         (_mm_alignr_pi8): Ditto.
2483         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
2484         (_mm_inserti_si64): Ditto.
2485         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
2486         (_mm_slli_epi16): Ditto.
2487         (_mm_slli_epi32): Ditto.
2488         (_mm_slli_epi64): Ditto.
2489         (_mm_srai_epi16): Ditto.
2490         (_mm_srai_epi32): Ditto.
2491         (_mm_srli_si128): Ditto.
2492         (_mm_slli_si128): Ditto.
2493         (_mm_srli_epi16): Ditto.
2494         (_mm_srli_epi32): Ditto.
2495         (_mm_srli_epi64): Ditto.
2496         (_mm_extract_epi16): Ditto.
2497         (_mm_insert_epi16): Ditto.
2498         (_mm_shufflehi_epi16): Ditto.
2499         (_mm_shufflelo_epi16): Ditto.
2500         (_mm_shuffle_epi32): Ditto.
2501         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
2502         (_m_pextrw): Ditto.
2503         (_mm_insert_pi16): Ditto.
2504         (_m_pinsrw): Ditto.
2505         (_mm_shuffle_pi16): Ditto.
2506         (_m_pshufw): Ditto.
2507         (_mm_shufle_ps): Ditto.
2508         (_mm_prefetch): Ditto.
2510 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
2512         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
2513         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
2514         * real.c (encode_i370_single, decode_i370_single,
2515         encode_i370_double, decode_i370_double): Functions removed.
2516         (i370_single_format, i370_double_format): Initializations removed.
2517         (real_maxval, round_for_format, exact_real_truncate, significand_size):
2518         Consider the log2_b field to always be one.
2519         (ieee_single_format, mips_single_format, coldfire_single_format,
2520         ieee_double_format, mips_double_format, coldfire_double_format,
2521         ieee_extended_motorola_format, ieee_extended_intel_96_format,
2522         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
2523         ibm_extended_format, mips_extended_format, ieee_quad_format,
2524         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
2525         decimal_single_format, decimal_double_format, decimal_quad_format,
2526         c4x_single_format, c4x_extended_format, real_internal_format): Remove
2527         initialization of log2_b.
2528         * real.h (i370_single_format, i370_double_format): Declarations removed.
2529         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
2530         field to always be one.
2532 2007-05-21  Andreas Schwab  <schwab@suse.de>
2534         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
2535         NOTE_INSN_BASIC_BLOCK_P.
2536         (process_for_unwind_directive): Likewise.
2538 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
2540         * builtins.c (expand_builtin_setjmp_setup): Update comment.
2541         * function.h (struct function): Move va_list_gpr_size,
2542         va_list_fpr_size, function_frequency to front of bitfields.  Add
2543         calls_unwind_init.
2544         (current_function_calls_unwind_init): New.
2545         * except.c (expand_builtin_unwind_init): Set
2546         current_function_calls_unwind_init not
2547         current_function_has_nonlocal_label.
2548         * reload1.c (has_nonexceptional_receiver): New.
2549         (reload): Use it and current_function_calls_unwind_init to
2550         determine whether call-saved regs must be saved.
2552 2007-05-20  Jan Hubicka  <jh@suse.cz>
2554         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
2555         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
2556         * ddg.c (create_ddg): LIkewise.
2557         * final.c (final): Remove hunk moving line numbernotes around since
2558         they are no longer present at this stage.
2559         (final_scan_insn): Use NOTE_KIND instead of
2560         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
2561         (output_asm_label): Likewise.
2562         * reorg.c (dbr_schedule): Likewise.
2563         * haifa-sched.c (unlink_other_notes): Likewise.
2564         * mode-switching.c (optimize_mode_switching): Likewise.
2565         * graph.c (start_bb): Likewise.
2566         * rtl.def (NOTE): Update description.
2567         * jump.c (squeeze_notes): Delete.
2568         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
2569         NOTE_INSN_BASIC_BLOCK_P when possible.
2570         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
2571         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
2572         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
2573         (dwarf2out_var_location): Likewise.
2574         * cfgbuild.c (make_edges): Likewise.
2575         (find_basic_blocks_1): Likewise.
2576         * function.c (reorder_blocks_1): Likewise.
2577         (epilogue_done): Likewise.
2578         (reposition_prologue_and_epilogue_notes): Likewise.
2579         * print-rtl.c (print_rtx): Likewise; drop code for printing line number
2580         notes.
2581         (print_rtl): Likewise.
2582         (print_rtl_single): Likewise.
2583         * gcse.c (insert_insn_start_bb): Likewise.
2584         * alias.c (init_alias_analysis): Likewise.
2585         * calls.c (fixup_tail_calls): Likewise.
2586         * except.c (sjlj_emit_function_enter): Likewise.
2587         * emit-rtl.c (add_insn_after): Likeiwse.
2588         (emit_label_before): Likewise.
2589         (emit_label_after): Likewise.
2590         (emit_note_before, emit_note_after, emit_note): Update
2591         parameter to be enum insn_note; do not deal with source
2592         files.
2593         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
2594         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
2595         when possible.
2596         (merge_blocks_move_successor_nojumps): Simplify now when
2597         we don't have BLOCK notes.
2598         (try_optimize_cfg): Likewise.
2599         * cfglayout.c (skip_insns_after_block): Likewise.
2600         (record_effective_endpoints): Likewise.
2601         (duplicate_insn_chain): Likewise.
2602         * varasm.c (output_constant_pool_1): Likewise.
2603         * sched-deps.c (sched_analyze): Likewise.
2604         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
2605         Exterminate.
2606         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
2607         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
2608         (SET_INSN_DELETED): Simplify.
2609         (NOTE_LINE_NUMBER): Exterminate.
2610         (NOTE_LINE_KIND): New.
2611         (NOTE_INSN_BASIC_BLOCK_P): Update.
2612         (enum insn_note): Simplify.
2613         (GET_NOTE_INSN_NAME) Simplify.
2614         (emit_note_before, emit_note_after, emit_note): Update prototype.
2615         (squeeze_notes): Remove.
2616         * sched-int.h (NOTE_NOT_BB_P): Update.
2617         * resource.c (mark_target_live_regs): Update.
2618         * sched-rgn.c (debug_dependencies): Update.
2619         * sched-vis.c (print_insn): Update.
2620         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
2621         * config/i386/i386.c (ix86_output_function_epilogue): Update.
2622         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
2623         (TARGET_ADJUST_UNROLL_MAX): Likewise.
2624         (split_branches): Update.
2625         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
2626         4.0.0.
2627         (sh_adjust_unroll_max): Exterminate.
2628         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
2629         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
2630         (m68hc11_reorg): Likewise.
2631         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
2632         (emit_predicate_relation_info): Update.
2633         (process_for_unwind_directive): Update.
2634         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
2635         (output_call): Update.
2636         * config/pa/pa.c (output_lbranch): Update.
2637         (output_millicode_call): Update.
2638         (output_call): Update.
2639         (pa_combine_instructions): Update.
2640         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
2641         * config/bfin/bfin.c (gen_one_bundle): Update.
2642         * cfgrtl.c (can_delete_note_p): Update.
2643         (delete_insn): Update.
2644         (rtl_merge_blocks): Update.
2645         (commit_one_edge_insertion): Update.
2646         (rtl_verify_flow_info): Update.
2647         * stmt.c (expand_case): Do not call squeeze_notes.
2649 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2651         PR middle-end/7651
2652         PR c++/11856
2653         PR c/12963
2654         PR c/23587
2655         PR other/29694
2656         * c.opt (Wtype-limits): New.
2657         * doc/invoke.texi (Wtype-limits): Document it.
2658         (Wextra): Enabled by -Wextra.
2659         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2660         * c-common.c (shorten_compare): Warn with Wtype-limits.
2662 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
2664         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
2665         inlined function, not as a macro.
2666         (_mm_alignr_pi8): Ditto.
2667         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
2668         (_mm_inserti_si64): Ditto.
2669         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
2670         (_mm_extract_epi16): Ditto.
2671         (_mm_insert_epi16): Ditto.
2672         (_mm_shufflehi_epi16): Ditto.
2673         (_mm_shufflelo_epi16): Ditto.
2674         (_mm_shuffle_epi32): Ditto.
2675         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
2676         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
2677         all functions.
2678         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
2679         float constant.
2680         (_m_to_float): Use C89 compatible assignment.
2682 2007-04-20  Martin Michlmayr  <tbm@cyrius.com>
2684         PR target/32007
2685         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
2687 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2689         PR middle-end/7651
2690         * doc/invoke.texi (Wreturn-type): Complete description.
2691         (Wextra): Delete item about return-type warning.
2692         * c-decl.c: Delete redundant Wextra warning.
2694 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
2696         PR target/31585
2697         * config/i386/pmmintrin.h: Do not include xmmintrin.h
2698         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
2699         inlined function, not as a macro.
2700         (_mm_prefetch): Ditto.
2701         (_m_pextrw): Ditto.
2702         (_mm_insert_pi16): Ditto.
2703         (_m_pinsrw): Ditto.
2704         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
2705         (_m_pshufw): Ditto. Add const to __N argument.
2706         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
2707         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
2708         (_mm_slli_epi32): Ditto.
2709         (_mm_srli_si128): Implement as always inlined function, not as a macro.
2710         Add __inline to function declaration.
2711         (_mm_slli_si128): Ditto.
2713 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
2715         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
2716         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
2717         New constants.
2718         (struct fenv): New structure.
2719         (FP_HANDLE_EXCEPTIONS): New define.
2720         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
2721         (_FP_DECL_EXP): New define.
2722         (FP_INIT_ROUNDMODE): New define.
2723         (FP_ROUNDMODE): New define.
2725 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2727         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
2728         (Wconversion): Update description.
2729         (Wconversion-sign): New.
2730         * c.opt (Wconversion-sign): New.
2731         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
2732         means disabled for C++. Otherwise, take the status of Wconversion.
2733         * c-common.c (conversion_warning): Warn with either Wconversion or
2734         Wconversion-sign.
2735         (warnings_for_convert_and_check): Conditions are already checked by
2736         conversion_warning.
2737         (convert_and_check): Don't check warnings if the conversion failed.
2739 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
2740            Anatoly Sokolov <aesok@dol.ru>
2742         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
2743         avr_epilogue_uses) : Add declaration.
2744         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
2745         * config/avr/constraints.md (R): New constraint.
2746         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
2747         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
2748         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
2749         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
2750         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
2751         call_prologue_saves, epilogue_restores, return_from_epilogue,
2752         return_from_main_epilogue, return_from_interrupt_epilogue,
2753         return_from_naked_epilogue, prologue, epilogue): New patterns.
2754         (jump): Handle symbol reference.
2755         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
2756         avr_output_function_prologue, avr_output_function_epilogue): Remove
2757         functions.
2758         (avr_init_machine_status, expand_prologue, expand_epilogue,
2759         avr_asm_function_end_prologue, avr_epilogue_uses,
2760         avr_asm_function_begin_epilogue): New functions.
2761         (prologue_size, epilogue_size, jump_tables_size): Remove global
2762         variables.
2763         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
2764         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
2765         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
2766         (avr_override_options): Initialise init_machine_status.
2767         (output_movhi): Handle all stack pointer loads.
2768         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
2769         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
2770         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
2771         (EPILOGUE_USES) Redefine.
2772         (machine_function) Declare.
2774 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
2776         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
2777         Use a single return statement.
2779 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2781         PR middle-end/30250
2782         * builtins.c (do_mpfr_lgamma_r): New.
2783         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
2784         * tree.h (CASE_FLT_FN_REENT): New.
2786 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
2788         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
2789         (output_die): Use 'unsigned long' with %x.
2790         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
2791         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
2792         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
2794         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
2796 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
2798         PR target/31989
2799         PR target/31681
2800         PR target/31666
2801         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
2802         true if function has no argument.
2804 2007-05-18  DJ Delorie  <dj@redhat.com>
2806         * config/mips/mips.c (mips_offset_within_alignment_p): New.
2807         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
2809 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
2811         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
2812         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
2813         count_trailing_zeros.
2814         (__i386__): Implement count_leading_zeros using __builtin_clz().
2815         Implement count_trailing_zeros usign __builtin_ctz().
2817 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
2819         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
2821 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
2823         PR middle-end/31344
2824         * expr.c (emit_move_change_mode): Change mode of push operands here.
2826 2007-05-17  Ian Lance Taylor  <iant@google.com>
2828         PR tree-optimization/31953
2829         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
2830         Change all callers.
2831         (set_value_range_to_null): Call set_value_range_to_value.
2832         (extract_range_from_comparison): Likewise.
2834 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2836         * toplev.c (print_version): Output GMP/MPFR version info.
2838         * builtins.c (CASE_MATHFN_REENT): New macro.
2839         (mathfn_built_in): Use it.
2840         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
2841         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
2842         BUILT_IN_LGAMMAL_R): New.
2843         * doc/extend.texi: Document new builtins.
2845         PR middle-end/31796
2846         * builtins.c (do_mpfr_remquo): New.
2847         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
2848         (fold_builtin_3): Handle BUILT_IN_REMQUO.
2850         PR middle-end/30251
2851         * builtins.c (fold_builtin_1): Handle y0, y1.
2852         (fold_builtin_2): Handle yn.
2854         PR middle-end/30251
2855         * builtins.c (do_mpfr_bessel_n): New.
2856         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
2857         (fold_builtin_2): Handle BUILT_IN_JN.
2859 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
2861         PR target/31965
2862         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
2863         TYPE_PRECISION (intmax_type_node).
2865 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
2867         PR target/31850
2868         * reload.c (subst_reloads): Remove checking.
2870 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2872         PR rtl-optimization/31691
2873         * combine.c (simplify_set): Build a new src pattern instead of
2874         substituting its operands in the COMPARE case.
2876 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2878         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
2879         (execute_vrp): Preserve loops through jump threading.
2880         * tree-ssa-threadupdate.c (thread_single_edge,
2881         dbds_continue_enumeration_p, determine_bb_domination_status,
2882         thread_through_loop_header): New functions.
2883         (create_edge_and_update_destination_phis,
2884         create_edge_and_update_destination_phis): Set loops for the new blocks.
2885         (prune_undesirable_thread_requests): Removed.
2886         (redirect_edges): Do not pretend that redirect_edge_and_branch can
2887         create new blocks.
2888         (thread_block): Do not call prune_undesirable_thread_requests.
2889         Update loops.
2890         (mark_threaded_blocks): Select edges to thread here.
2891         (thread_through_all_blocks): Take may_peel_loop_headers argument.
2892         Thread edges through loop headers independently.
2893         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
2894         * tree-pass.h (TODO_mark_first_instance): New.
2895         (first_pass_instance): Declare.
2896         * cfghooks.c (duplicate_block): Put the block to the original loop
2897         if copy is not specified.
2898         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
2899         jump threading.  Pass may_peel_loop_headers to
2900         thread_through_all_blocks according to first_pass_instance.
2901         * cfgloop.h (create_preheader): Declare.
2902         * tree-flow.h (thread_through_all_blocks): Declaration changed.
2903         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
2904         * passes.c (first_pass_instance): New variable.
2905         (next_pass_1): Set TODO_mark_first_instance.
2906         (execute_todo): Set first_pass_instance.
2908 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
2910         PR tree-optimization/24659
2911         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
2912         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
2913         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
2914         OTI_vec_pack_ufix_trunc.
2915         (vec_unpacks_float_hi_optab): Define new macro.
2916         (vec_unpacks_float_lo_optab): Ditto.
2917         (vec_unpacku_float_hi_optab): Ditto.
2918         (vec_unpacku_float_lo_optab): Ditto.
2919         (vec_pack_sfix_trunc_optab): Ditto.
2920         (vec_pack_ufix_trunc_optab): Ditto.
2921         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
2922         and vec_pack_[s|u]fix_trunc_optab using
2923         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
2924         * tree-vectorizer.c (supportable_widening_operation): Handle
2925         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
2926         (supportable_narrowing_operation): New function.
2927         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
2928         * tree-vect-transform.c (vectorizable_conversion): Handle
2929         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
2930         (vect_gen_widened_results_half): Move before vectorizable_conversion.
2931         (vectorizable_type_demotion): Call supportable_narrowing_operation()
2932         to check for target support.
2933         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
2934         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
2935         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
2936         for VEC_PACK_FIX_TRUNC_EXPR.
2937         (expand_binop): Special case mode of the result for
2938         vec_pack_[u|s]fix_trunc_optab.
2939         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
2940         vec_pack_[u|s]fix_trunc_optab.
2942         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
2943         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
2944         * tree-pretty-print.c (dump_generic_node): Handle
2945         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
2946         VEC_PACK_FIX_TRUNC_EXPR.
2947         (op_prio): Ditto.
2948         * expr.c (expand_expr_real_1): Ditto.
2949         * tree-inline.c (estimate_num_insns_1): Ditto.
2950         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2952         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
2953         (vec_unpacks_float_lo_v8hi): Ditto.
2954         (vec_unpacku_float_hi_v8hi): Ditto.
2955         (vec_unpacku_float_lo_v8hi): Ditto.
2956         (vec_unpacks_float_hi_v4si): Ditto.
2957         (vec_unpacks_float_lo_v4si): Ditto.
2958         (vec_pack_sfix_trunc_v2df): Ditto.
2960         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
2961         Document.
2962         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
2963         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
2964         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
2965         [vec_pack_ufix_trunc]: Ditto.
2966         [vec_unpacks_float_hi]: Ditto.
2967         [vec_unpacks_float_lo]: Ditto.
2968         [vec_unpacku_float_hi]: Ditto.
2969         [vec_unpacku_float_lo]: Ditto.
2971 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
2973         * soft-fp/README: Update for new files.
2974         * soft-fp/floattisf.c: New file.
2975         * soft-fp/floattidf.c: New file.
2976         * soft-fp/floattitf.c: New file.
2977         * soft-fp/floatuntisf.c: New file.
2978         * soft-fp/floatuntidf.c: New file.
2979         * soft-fp/floatuntitf.c: New file.
2980         * soft-fp/fixsfti.c: New file.
2981         * soft-fp/fixdfti.c: New file.
2982         * soft-fp/fixtfti.c: New file.
2983         * soft-fp/fixunssfti.c: New file.
2984         * soft-fp/fixunsdfti.c: New file.
2985         * soft-fp/fixunstfti.c: New file.
2986         * soft-fp/extendxftf.c: New file.
2987         * soft-fp/trunctfxf.c: New file.
2989         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
2990         (__trunctfxf2): Ditto.
2992         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
2993         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
2994         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
2995         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
2996         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
2997         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
2999         * config/i386/t-fprules-softfp64: New file.
3000         * config/i386/sfp-machine.h: New file.
3001         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
3002         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
3003         and soft-fp/t-softfp to tmake_file.
3004         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
3005         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
3007         * config/i386/t-linux64 (softfp_wrap_start): New.
3008         (softfp_wrap_end): New.
3009         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
3010         supported for TARGET_64BIT.
3012 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
3014         * c-common.c (c_common_signed_or_unsigned_type): Emulate
3015         c_common_unsigned_type behavior.
3017 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
3019         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
3020         calls as pure.
3022 2007-05-16  Eric Christopher  <echristo@apple.com>
3024         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
3025         saving after stack push. Set sp_offset whenever we push.
3026         (rs6000_emit_epilogue): Move altivec register restore before
3027         stack push.
3029 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
3031         * configure.ac: Allow sysroots to be relocated under $prefix as
3032         well as $exec_prefix.
3033         * configure: Regenerate.
3035 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
3037         Revert:
3039         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
3041         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
3042         (gcc_tooldir): Likewise.
3043         * configure: Regenerate.
3044         * Makefile.in (libsubdir_to_prefix): New variable, based on the
3045         old configure.ac gcc_tooldir setting.
3046         (prefix_to_exec_prefix): New variable.
3047         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
3048         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
3050 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
3052         * c-typeck.c (build_binary_op): Return early for error.
3054 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
3056         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
3057         struct nb_iter_bound.
3058         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
3059         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
3060         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
3061         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
3062         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
3063         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
3064         (del_scev_info): Use ggc_free.
3065         (scev_initialize): Allocate scalar_evolution_info in gc memory.
3066         * loop-init.c: Include ggc.h.
3067         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
3068         (loop_optimizer_finalize): Use ggc_free.
3069         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
3070         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
3071         pass_iv_optimize): Add TODO_ggc_collect.
3072         * function.h (struct function): Remove skip marker from x_current_loops.
3073         * cfgloop.c: Include ggc.h.
3074         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
3075         memory.
3076         (establish_preds): Vector superloops is gc allocated.
3077         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
3078         loop->exits list.
3079         (flow_loops_find): Vector larray is gc allocated.
3080         (loop_exit_free): Use ggc_free.
3081         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
3082         that head of exits list is now not a part of struct loop.
3083         (record_loop_exits): Allocate exits table in gc memory.
3084         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
3085         head of exits list is now not a part of struct loop.
3086         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
3087         struct loop_exit): Add GTY marker.
3088         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
3089         Add skip marker to aux field.  Make head of exits list a separate
3090         object.
3091         (struct loops): Add GTY marker.  Make larray vector gc allocated.
3092         Add param marker to exits table.
3093         (get_loops): Type changed.
3094         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
3095         dependency.
3096         (cfgloop.o, loop-init.o): Add ggc.h dependency.
3097         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
3098         * basic-block.h (struct basic_block_def): Remove skip marker from
3099         loop_father field.
3101 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
3103         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
3104         of 0 in the call to expand_expr().
3105         (expand_builtin_mathfn_3): Ditto.
3106         (expand_builtin_interclass_mathfn): Ditto.
3107         (expand_builtin_cexpi): Ditto.
3108         (expand_builtin_int_roundingfn): Ditto.
3109         (expand_builtin_int_roundingfn_2): Ditto.
3110         (expand_builtin_pow): Ditto.
3111         (expand_builtin_powi): Ditto.
3112         (expand_builtin_bswap): Ditto.
3113         (expand_builtin_unop): Ditto.
3114         (expand_builtin_fabs): Ditto.
3115         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
3116         the call to expand_expr().
3117         (expand_builtin_sync_operation): Ditto.
3118         (expand_builtin_compare_and_swap): Ditto.
3119         (expand_builtin_lock_test_and_set): Ditto.
3120         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
3121         instead of 0 in the call to expand_expr().
3122         (expand_builtin_extract_return_addr): Ditto.
3123         (expand_builtin_eh_return): Ditto.
3124         (expand_eh_return): Ditto.
3125         * explow.c (expr_size): Ditto.
3126         * expr.c (optimize_bitfield_assignment_op): Ditto.
3127         (expand_assignement): Ditto.
3128         (store_expr): Ditto.
3129         (store_field): Ditto.
3130         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
3131         the call to expand_expr().
3132         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
3133         in the call to expand_expr().
3134         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
3135         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
3136         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
3137         of expand_expr().
3138         * optabs.c (expand_vec_shift_expr): Ditto.
3139         (expand_vec_cond_expr): Ditto.
3140         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
3141         call to expand_expr().
3142         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
3143         in the call to expand_expr().
3145 2007-05-14  Dave Korn  <dave.korn@artimi.com>
3147         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
3149 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
3151         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
3152         instead of c_common_unsigned_type.
3153         (c_common_unsigned_type): Remove.
3154         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
3155         c_common_unsigned_type.
3156         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
3157         c_common_unsigned_type.
3158         * c-common.h (c_common_unsigned_type): Remove.
3159         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
3160         c_common_unsigned_type.
3161         * c-format.c (check_format_types): Use unsigned_type_for instead of
3162         c_common_unsigned_type.
3163         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
3164         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
3165         c_common_unsigned_type.
3166         * convert.c (convert_to_integer): Use unsigned_type_for instead of
3167         lang_hooks.types.unsigned_type.
3168         * expmed.c (make_tree): Use unsigned_type_for instead of
3169         lang_hooks.types.unsigned_type.
3170         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
3171         lang_hooks.types.unsigned_type.
3172         (build_range_check): Likewise.
3173         (fold_unary): Likewise.
3174         (fold_binary): Likewise.
3175         (fold_ternary): Likewise.
3176         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
3177         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
3178         * tree.c (get_unsigned_type): New.
3179         (unsigned_type_for): Use get_unsigned_type instead of
3180         lang_hooks.types.unsigned_type.
3182 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
3184         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
3185         to m68k_get_function_kind.  Update its prototype.
3186         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
3187         interrupt_thread.
3188         (m68k_interrupt_function_p): Return enum m68k_function_type
3189         instead of bool.  Rename to m68k_get_function_kind.
3190         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
3191         target is not fido.
3192         (m68k_compute_frame_layout): Don't mark any register for save
3193         if an interrupt_thread attribute is specified.
3194         (m68k_hard_regno_rename_ok): Update a use of
3195         m68k_interrupt_function_p.
3196         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
3197         m68k_interrupt_function_p.
3198         (m68k_function_type): New.
3199         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
3200         for a function with an interrupt_thread attribute.
3201         * doc/extend.texi: Document the interrupt_thread attribute.
3203 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
3205         Fix PR tree-optimization/31911
3206         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
3207         if they didn't change the expression.
3209 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
3211         * tree-scalar-evolution.c (resolve_mixers): Exported.
3212         * tree-scalar-evolution.h (resolve_mixers): Declare.
3213         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
3214         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3215         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
3216         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
3217         init_array_ref, init_pointer_ref, analyze_indirect_ref,
3218         strip_conversion, analyze_offset_expr, address_analysis,
3219         object_analysis, analyze_offset): Removed.
3220         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
3221         split_constant_offset, canonicalize_base_object_address,
3222         object_address_invariant_in_loop_p, disjoint_objects_p,
3223         dr_may_alias_p, dr_address_invariant_p): New functions.
3224         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
3225         and dr_analyze_alias.
3226         (initialize_data_dependence_relation): Use dr_may_alias_p
3227         and object_address_invariant_in_loop_p.
3228         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
3229         is chrec_dont_know.
3230         (find_data_references_in_stmt): Restrict the analysis of data references
3231         to the given loop nest.
3232         (find_data_references_in_loop): Made static.  Pass loop nest to
3233         find_data_references_in_stmt.
3234         (compute_data_dependences_for_loop): Use DR_VOPS.
3235         (free_data_ref): Free DR_VOPS.
3236         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
3237         (struct innermost_loop_behavior): ... new.
3238         (struct base_object_info): Replaced by ...
3239         (struct indices): ... new.
3240         (struct dr_alias): New.
3241         (enum data_ref_type): Removed.
3242         (struct data_reference): Consist of struct innermost_loop_behavior,
3243         struct indices and struct dr_alias.
3244         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
3245         (DR_MEMTAG): Renamed to ...
3246         (DR_SYMBOL_TAG): ... this.
3247         (find_data_references_in_loop): Declaration removed.
3248         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
3249         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
3250         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
3251         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
3253 2007-05-13  Revital Eres  <eres@il.ibm.com>
3255         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
3256         which walks virtual def-use chains to find redundant stores.
3257         (dse_optimize_stmt): Call it.
3259 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
3261         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
3262         * passes.c (init_optimization_passes): Move pass_jump_bypass
3263         after loop2.
3265         * basic-block.h (bb_has_eh_pred): Fix style issue.
3267 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
3269         PR rtl-optimization/31848
3270         * loop-invariant.c (move_invariant_reg): If we move an insn
3271         with a REG_EQUAL note, and that insn is not always executed,
3272         remove the REG_EQUAL note.
3274 2007-05-12  Richard Guenther  <rguenther@suse.de>
3276         PR tree-optimization/31797
3277         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
3278         propagate into a stmt that has volatile ops.
3280 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
3282         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
3283         (gcc_tooldir): Likewise.
3284         * configure: Regenerate.
3285         * Makefile.in (libsubdir_to_prefix): New variable, based on the
3286         old configure.ac gcc_tooldir setting.
3287         (prefix_to_exec_prefix): New variable.
3288         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
3289         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
3291 2007-05-11  Silvius Rus  <rus@google.com>
3293         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
3294         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
3295         * c-common.h (strict_aliasing_warning): Change return type.
3296         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
3297         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
3298         (build_c_cast): Condition call to strict_aliasing_warning.
3299         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
3300         * flags.h (set_Wstrict_aliasing): Declare.
3301         * opts.c (set_Wstrict_alising): Define, add call to.
3302         * tree-flow.h (strict_aliasing_warning_backend): Declare.
3303         * tree-ssa-alias-warnings.c: New file.
3304         * tree-ssa-alias.c (compute_may_aliases): Add call to
3305         strict_aliasing_warning_backend.
3307 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
3309         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3310         Use loop_depth and loop_outer accessor functions.
3311         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
3312         determine_invariantness_stmt, move_computations_stmt): Ditto.
3313         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
3314         add_loop, loopify, unloop, fix_loop_structure): Ditto.
3315         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
3316         * tree-scalar-evolution.c (interpret_loop_phi,
3317         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
3318         instantiate_parameters_1, scev_const_prop): Ditto.
3319         * cfghooks.c (make_forwarder_block): Ditto.
3320         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3321         * modulo-sched.c (loop_canon_p): Ditto.
3322         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3323         slpeel_can_duplicate_loop_p): Ditto.
3324         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
3325         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
3326         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
3327         cancel_loop, verify_loop_structure): Ditto.
3328         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
3329         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
3330         superloops vector instead of "pred" array.
3331         (establish_preds): Take father loop as an argument.  Initialize the
3332         superloops vector.
3333         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
3334         initialize loop->outer.
3335         (flow_loop_tree_node_remove): Truncate the superloops vector.
3336         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
3337         "pred" merged to "superloops" vector.
3338         (loop_depth, loop_outer): New.
3339         (fel_init): Use loop_outer.
3341 2007-05-11  Jan Hubicka  <jh@suse.cz>
3343         * cgraphunit.c: Include gt-cgraphunit.h
3344         (static_ctors, static_dtors): New static vars.
3345         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
3346         based on implementation in c-common.c
3347         (cgraph_finalize_function): Call record_cdtor_fn.
3348         (cgraph_optimize): Call cgraph_build_cdtor_fns.
3349         * decl.c (finish_function): Do not call c_record_cdtor_fn.
3350         (c_write_global_declarations): Do not call c_build_cdtor_fns.
3351         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
3352         build_cdtor, c_build_cdtor_fns): Remove.
3353         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
3354         c_build_cdtor_fns): Remove prototype.
3356 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
3358         PR other/31852
3359         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
3360         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
3361         * builtins.c (fold_builtin_memchr): New.
3362         (expand_builtin_memchr): Call the latter.
3363         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
3364         * doc/extend.texi ([Other built-in functions provided by GCC]):
3365         Document memchr.
3367 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
3369         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
3370         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
3371         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
3372         PFPO_OP1_TYPE_SHIFT): Constants added.
3373         (DFP_ALL): Mode macro defined.
3374         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
3375         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
3376         Insn definitions added.
3377         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
3378         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
3379         Expanders added.
3381 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
3383         PR tree-optimization/31885
3384         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
3385         to be undetermined.
3386         (automatically_generated_chrec_p): Return false for NULL.
3388 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3390         * config/bfin/bfin.h (MOVE_RATIO): Define.
3392 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
3394         * config.gcc (sparc-wrs-vxworks): New target.
3395         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
3396         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
3397         * config/sparc/sparc.h: Include vxworks-dummy.h.
3398         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
3399         include LABEL_REFs too.
3400         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
3401         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
3402         VxWorks.
3403         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
3404         on VxWorks.
3405         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
3406         (sparc_emit_call_insn): New function.
3407         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
3408         functions when generating VxWorks PIC.
3409         * config/sparc/sparc.md (vxworks_load_got): New pattern.
3410         (call, call_value): Use sparc_emit_call_insn instead of
3411         emit_call_insn.
3413 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
3415         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
3417 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
3419         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
3420         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
3421         instead of operand_subword.
3423 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3425         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
3426         * config/bfin/bfin.c (bfin_local_alignment): New function.
3427         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
3429 2007-05-08  Chao-ying Fu  <fu@mips.com>
3431         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
3432         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
3433         (smsub_widen_optab, umsub_widen_optab): Define.
3434         * optabs.c (init_optabs): Initialize smsub_widen_optab and
3435         umsub_widen_optab.
3436         * genopinit.c (optabs): Fill in smsub_widen_optab and
3437         umsub_widen_optab.
3438         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
3439         and umsub_widen_optab to implement multiply-subtract sequences.
3440         * config/mips/mips.md (*msac<u>_di): Rename to...
3441         (<u>msubsidi4): ...this.  Extend condition to include
3442         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
3443         of operand 0 to "ka" and use the three-operand form of msub<u>
3444         for TARGET_DSPR2.
3445         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
3446         to define_expands.
3448 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3450         PR rtl-optimization/28011
3451         * reload.c (push_reload): Set dont_share if IN appears in OUT
3452         also when IN is a PLUS rtx.
3453         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
3454         are same PLUS rtx.
3456 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
3458         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
3459         call unshare_all_decls.
3460         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
3461         (unshare_all_decls): Remove.
3463 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
3465         PR 31847
3466         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
3467         dumps.
3469 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
3470             Nigel Stephens  <nigel@mips.com>
3472         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
3473         Update comments and all uses.
3474         (MIN_FPRS_PER_FMT): Define.
3475         * config/mips/mips.c (function_arg): Fix to correctly handle
3476         the -mips32r2 -mfp64 -mabi=32 case.
3477         (override_options): Enable use of odd-numbered registers for
3478         SFmode values on MIPS32.
3479         (mips_save_reg_p): Save whole floating-point register pair if
3480         either half is used.
3481         (compute_frame_size): Fix comment.
3483 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
3485         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
3486         argument of type bool.
3487         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
3488         argument. Safely select temporary P register according to it.
3489         (do_link): Change call site of add_to_reg accordingly.
3490         (do_unlink): Add epilogue_p as a fourth argument and pass it
3491         to add_to_reg.
3492         (expand_interrupt_handler_epilogue): Change call of do_unlink
3493         accordingly.
3494         (bfin_expand_prologue): Add a third argument sibcall_p.
3495         * config/bfin/bfin.md (epilogue): Change call of
3496         bfin_expand_epilogue accordingly.
3497         (sibcall_epilogue): Likewise.
3498         (eh_return_internal): Likewise.
3500         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
3501         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
3502         * config/bfin/bfin.c (bfin_handle_option): Handle
3503         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
3504         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
3505         Support bf534, bf536 and bf561.
3506         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
3508 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
3510         PR target/31854
3511         * config/i386/i386.c (ix86_function_regparm): Process local
3512         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
3514 2007-05-07  Mike Stump  <mrs@apple.com>
3516         * doc/invoke.texi (Warning Options): Document that -Wempty-body
3517         also checks for and while statements in C++.
3519 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
3521         * gcc.c (at_file_supplied): New variable.
3522         (main): Set it if we expanded argv.
3523         (do_spec_1): Pass an @-file to the linker if we were called with
3524         an @-file argument and HAVE_GNU_LD.
3525         * collect2.c (at_file_supplied): New variable.
3526         (response_file): New variable.
3527         (collect_exit): Unlink response_file if necessary.
3528         (handler): Likewise.
3529         (do_wait): Likewise.
3530         (main): Set at_file_supplied if we expanded argv.
3531         (collect_execute): Pass an @-file to subprocesses if we were called
3532         with an @-file argument.
3533         * configure.ac: Add define for HAVE_GNU_LD.
3534         * configure: Regenerate.
3535         * config.in: Regenerate.
3537 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
3539         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
3540         operand to HI mode.
3541         (mulsi3): New.
3542         (divsi3): New.
3543         (udivsi3): New.
3545 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
3547         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
3548         (TARGET_ENCODE_SECTION_INFO): Re-define.
3549         (m32c_encode_section_info): New
3550         (function_vector_handler): New
3551         (current_function_special_page_vector): New
3552         (m32c_special_page_vector_p): New.
3553         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
3554         Prototype.
3555         * config/m32c/jump.md: Added instruction JSRS for functions
3556         with attribute "function_vector".
3557         * doc/extend.texi (function_vector): Added description
3558         for M16C, M32C targets.
3560 2007-05-07  DJ Delorie  <dj@redhat.com>
3562         PR 31794
3563         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
3564         ashrpsi3, lshrpsi3): Update shift count constraint.
3566 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
3567             Nathan Froyd  <froydnj@codesourcery.com>
3569         PR 22133
3570         * c-incpath.c (add_path): Strip trailing path separators.
3572 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
3574         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
3575         Free dominance info before purging EH edges.
3576         (eliminate_degenerate_phis): Likewise.
3577         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
3579 2007-05-07  Jan Hubicka  <jh@suse.cz>
3581         * gimplify.c (gimplify_expr): Do not crash when folding
3582         (void *)(int)&a + 4.
3584 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3586         PR driver/31694
3587         * c-opts.c (lang_fortran): Make it non static.
3588         * c-common.h (lang_fortran): New prototype.
3589         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
3590         -lang-fortran option was passed by the driver.
3592 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
3594         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
3595         of ASSERT_CHECKING.  Tweak message.
3597 2007-05-06  Revital Eres  <eres@il.ibm.com>
3599         PR 30957
3600         * loop-unroll.c (insert_var_expansion_initialization):
3601         Initialize the expansions with -zero instead of +zero.
3603 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
3605         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
3606         into pic and non-pic versions. Mark r19 as used for
3607         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
3608         for tgd_load, tld_load and tie_load .
3609         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
3610         version of tgd_load, tld_load and tie_load depending on the
3611         value of flag_pic.
3613 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
3614             Jakub Jelinek  <jakub@redhat.com>
3616         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
3617         (__do_global_dtors_aux): Use more paranoid loop to run
3618         destructors if HIDDEN_DTOR_LIST_END.
3619         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
3621 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
3623         * varasm.c (align_variable): Don't increase alignment for
3624         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
3625         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
3627 2007-05-04  Josh Conner  <jconner@apple.com>
3629         * basic-block.h (cdi_direction): Assign values to all enumeration
3630         constants.
3631         (dom_computed): Remove.
3632         (dom_info_state): New.
3633         (set_dom_info_availability): New.
3634         * tree-ssa-loop-im.c (determine_invariantness): Initialize
3635         walk_data.dom_direction.
3636         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
3637         instead of dom_computed[].
3638         (split_edge): Likewise.
3639         (create_basic_block): Likewise.
3640         (merge_blocks): Likewise.
3641         * ifcvt.c (find_if_header): Likewise.
3642         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
3643         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3644         * tree-ssa.c (verify_ssa): Likewise.
3645         * tree-cfg.c (tree_verify_flow_info): Likewise.
3646         (remove_edge_and_dominated_blocks): Likewise.
3647         * dominance.c (dom_computed): Make static.
3648         (calc_dfs_tree_nonrec): Change third param to a bool.
3649         (calc_dfs_tree): Change second param to a bool.
3650         (calc_idioms): Change second param to a bool.  Use
3651         dom_convert_dir_to_idx.
3652         (init_dom_info): Validate dir before using.
3653         (dom_convert_dir_to_idx): New.
3654         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
3655         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
3656         (free_dominance_info): Use dom_convert_dir_to_idx.
3657         (get_immediate_dominator): Likewise.
3658         (set_immediate_dominator): Likewise.
3659         (get_dominated_by): Likewise.
3660         (redirect_immediate_dominators): Likewise.
3661         (nearest_common_denominator): Likewise.
3662         (dominated_by_p): Likewise.
3663         (bb_dom_dfs_in): Likewise.
3664         (bb_dom_dfs_out): Likewise.
3665         (recount_dominator): Likewise.
3666         (iterate_fix_dominators): Likewise.
3667         (add_to_dominance_info): Likewise.
3668         (delete_from_dominance_info): Likewise.
3669         (first_dom_son): Likewise.
3670         (next_dom_son): Likewise.
3671         (dom_info_available_p): Likewise.
3672         (dom_info_state): New.
3673         (set_dom_info_availability): New.
3675 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3677         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
3678         Expander removed.
3679         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
3681 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
3683         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
3684         (subdi3, subdi_carry): Delete.
3686 2007-05-04  Jan Hubicka  <jh@suse.cz>
3687             Richard Guenther  <rguenther@suse.de>
3689         * opts.c (decode_options): Do not fiddle with inlining
3690         parameters in case of optimizing for size.
3691         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
3692         for size do nothing.
3693         (cgraph_decide_inlining_of_small_function): When optimizing for
3694         size never inline functions increasing caller size.
3695         (cgraph_early_inlining): Inline for size when optimizing for size.
3697 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3699         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
3700         logical operations piecewise.
3701         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
3702         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
3703         subdi_sesidi_di): Delete.
3704         (add_with_carry): Produce carry in CC instead of a DREG to shorten
3705         the generated sequence.  Allow three-reg add in constraints.  Rewrite
3706         the rtl expression for carry to avoid zero_extend of a constant.
3707         (sub_with_carry): New pattern.
3708         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
3709         different sequence not involving jumps.
3710         (notbi): Now a named pattern.
3712 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
3714         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
3715         Add the note about a significant loss of accuracy of some
3716         mathematical routines when these options are used.
3718 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3720         * haifa-sched.c (rtx_vec_t): New typedef.
3721         (contributes_to_priority_p): Extract piece of priority () into new
3722         static function.
3723         (priority): Use the function.  Add assertion.
3724         (rank_for_schedule, set_priorities): Add assertion to check that
3725         insn's priority is initialized.
3726         (clear_priorities, calc_priorities): Change signature.  Make it update
3727         all relevant insns.  Update all callers ('add_to_speculative_block ()'
3728         and 'create_block_check_twin ()').
3729         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
3730         Add new field 'priority_status'.
3731         (INSN_PRIORITY_STATUS): New macro.
3732         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
3734 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3736         * sched-ebb.c (debug_ebb_dependencies): New static function.
3737         (init_ready_list): Use it.
3739         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
3740         with changed signature and 'debug_rgn_dependencies ()'.
3741         (debug_rgn_dependencies): New static function.
3742         (init_ready_list): Use it.
3744         * sched-int.h (debug_dependencies): Declare.
3746 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3748         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
3750 2007-05-04  Dirk Mueller  <dmueller@suse.de>
3752         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
3754 2007-05-03  Jan Hubicka  <jh@suse.cz>
3756         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
3757         for pointer type in more cases than before.
3759         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
3761         * tree-object-size.c (plus_expr_object_size): When operand size is
3762         unknown, return unknown.
3764 2007-05-03  Dirk Mueller  <dmueller@suse.de>
3766         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
3768         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
3769         options.
3771         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
3773 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
3775         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
3777 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
3779         * config/soft-fp/double.h, config/soft-fp/extended.h,
3780         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
3781         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
3782         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
3783         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
3784         glibc CVS.
3786 2007-05-03  Ian Lance Taylor  <iant@google.com>
3788         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
3789         MASK_PPC_GFXOPT for 8540 or 8548.
3791 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
3793         * tree-vect-transform.c (vect_update_inits_of_drs): Use
3794         vect_print_dump_info() to output debug information.
3796 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
3798         PR target/31768
3799         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
3800         operands of size 2 when operand is not MEM_P.
3802 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
3804         PR tree-optimization/30565
3805         * lambda-code.c (perfect_nestify): Fix updating of dominators.
3807 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
3809         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
3810         (umulsi3_highpart): Use them.
3811         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
3812         for final accumulator to D regisster tranfser.
3814 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
3816         PR tree-optimization/31699
3817         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
3818         code.
3819         (vect_enhance_data_refs_alignment): Compute peel amount using
3820         TYPE_VECTOR_SUBPARTS instead of vf.
3821         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
3823 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
3825         PR bootstrap/31776
3826         * system.h: Remove inclusion of double-int.h
3827         * tree.h: Include double-int.h
3828         * gengtype.c: Likewise
3829         * cfgloop.h: Likewise
3830         * Makefile.in: Adjust dependencies on double-int.h
3832 2007-05-02  Eric Christopher  <echristo@apple.com>
3834         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
3835         -shared to -Zdynamiclib.
3837 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
3839         PR c++/31663
3840         * c-common.c (strip_pointer_or_array_types): New function.
3841         * c-common.h (strip_pointer_or_array_types): New function declaration.
3843 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
3845         PR tree-optimization/31771
3846         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
3848 2007-05-02  Paul Brook  <paul@codesourcery.com>
3850         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
3852 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3854         PR middle-end/29715
3855         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
3856         transformation.
3858 2007-05-02  Nick Clifton  <nickc@redhat.com>
3860         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
3862 2007-05-02  Richard Guenther  <rguenther@suse.de>
3864         PR tree-optimization/31146
3865         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
3866         argument, single_use_p.  If we have a single use that is
3867         a conversion to the definition rhs type, propagate that rhs.
3868         (forward_propagate_addr_expr): Pass single_use_p argument
3869         to forward_propagate_addr_expr_1.
3871 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3873         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
3874         variable.
3876 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3878         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
3879         'AMD Family 10 core'.
3881 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3883         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
3884         and athlon64-sse3 as improved versions of k8, opteron and athlon64
3885         with SSE3 instruction set support.
3886         * doc/invoke.texi: Likewise.
3888 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3890         * config/i386/i386.c (override_options): Tuning 32-byte loop
3891         alignment for amdfam10 architecture. Increasing the max loop
3892         alignment to 24 bytes.
3894 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
3896         * config/m68k/constraints.md: New.
3897         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
3898         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
3899         EXTRA_CONSTRAINT): Remove.
3900         * config/m68k/m68k.md: Include constraints.md.
3901         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
3903 2007-05-01  Ian Lance Taylor  <iant@google.com>
3905         PR tree-optimization/31739
3906         * tree-vrp.c (vrp_val_is_max): New static function.
3907         (vrp_val_is_min): New static function.
3908         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
3909         copying the node.
3910         (set_value_range): Use vrp_val_is_{max,min}.
3911         (extract_range_from_assert): Likewise.
3912         (extract_range_from_binary_expr): Likewise.
3913         (extract_range_from_unary_expr): Likewise.
3914         (dump_value_range, vrp_meet): Likewise.
3915         (vrp_visit_phi_node): Likewise.
3916         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
3918 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
3920         * config/i386/gmon-sol2.c (size_t): New type.
3921         (intptr_t): Likewise.
3922         (s_textsize): Declare as size_t.
3923         (sbrk): Declare.
3924         (monstartup): Use size_t for sizes.
3925         (_mcount): Save and restore registers.
3926         (internal_mcount): Pass 0 as the first argument to monstartup
3927         in 64-bit mode.
3928         (moncontrol): Convert pointer to appropriately sized integer
3929         before passing to profil.
3931 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
3933         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
3934         __NO_FPRS__, not just if _SOFT_DOUBLE.
3935         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
3936         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
3937         also for E500 double.
3938         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
3939         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
3940         && !TARGET_FPRS).
3942 2007-05-01  Richard Guenther  <rguenther@suse.de>
3944         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
3945         is NULL.
3947 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
3949         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
3951 2007-05-01  Jan Hubicka  <jh@suse.cz>
3953         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
3954         invariant.
3956 2007-05-01  Jan Hubicka  <jh@suse.cz>
3958         * tree.h (maybe_fold_offset_to_component_ref): Remove.
3959         (maybe_fold_offset_to_reference): Declare.
3960         * fold-const.c (fold_unary): Do not fold
3961         (type *)&A into &A->field_of_type_and_offset_0
3962         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
3963         size is unknown, give up.
3964         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
3965         offsets.
3966         (maybe_fold_offset_to_reference): New.
3967         (maybe_fold_stmt_indirect): Use it.
3968         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
3969         * gimplify.c (gimplify_conversion): Canonicalize conversions to
3970         field references.
3971         (gimplify_expr): Likewise for plus_expr.
3973 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
3975         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
3976         bsi_after_labels.  Always insert statements before bsi.
3977         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3978         * predict.c (apply_return_prediction): Check for empty blocks.
3979         * cfgexpand.c (lab_rtx_for_bb): New variable.
3980         (label_rtx_for_bb): Do not create new tree labels.
3981         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
3982         (tree_expand_cfg): Initialize lab_rtx_for_bb.
3983         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
3984         creating edges.
3985         (label_for_bb): Add field used.
3986         (update_eh_label, main_block_label): Mark the label used.
3987         (cleanup_dead_labels): Remove unused labels.
3989 2007-05-01  Richard Guenther  <rguenther@suse.de>
3991         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
3992         if it is not about to be set.
3993         (get_value_range): Do not pre-allocate equiv bitmap.
3994         (update_value_range): No need to clear equiv field.
3995         (add_equivalence): Change prototype to get bitmap pointer.
3996         Allocate bitmap here if it is not already.
3997         (extract_range_from_assert): Do not allocate bitmap here.
3998         Update callers to add_equivalence.
3999         (extract_range_from_ssa_name): Likewise.
4000         (get_vr_for_comparison): New static helper.
4001         (compare_name_with_value): Handle NULL equiv bitmap by
4002         peeling the first iteration of the comparison loop.
4003         Use get_vr_for_comparison.
4004         (compare_names): Handle NULL equiv bitmaps by using fake
4005         ones.  Use get_vr_for_comparison.
4007 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
4009         * double-int.c (mpz_set_double_int): Moved from
4010         tree-ssa-loop-niter.c.
4011         (mpz_get_double_int): Likewise; also, add option to wrap
4012         out-of-range integers.
4013         * double-int.h: New prototypes for above.
4014         * tree.c (get_static_type_bounds): Moved from
4015         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
4016         TYPE_MAX_VALUE if they exist..
4017         * tree.h: New prototype for above.
4018         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
4019         get_type_bounds calls.
4020         (mpz_set_double_int): Move to double-int.c.
4021         (get_type_bounds): Move to tree.c, rename to
4022         get_static_type_bounds.
4023         (mpz_to_double_int): Move to double-int.c, rename to
4024         mpz_get_double_int.
4026 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
4028         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
4029         DIV0 exception can fall through to a normal return.
4031 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
4033         PR middle-end/22156
4034         Temporarily revert:
4035         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
4036         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
4037         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
4038         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
4039         initialize align to silence bogus warning.
4040         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
4041         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
4042         all_no_warning.
4043         (struct sra_walk_fns): Remove use_all parameter from use.
4044         (sra_hash_tree): Handle BIT_FIELD_REFs.
4045         (sra_elt_hash): Don't hash bitfld blocks.
4046         (sra_elt_eq): Skip them in parent compares as well.  Handle
4047         BIT_FIELD_REFs.
4048         (sra_walk_expr): Don't maintain or pass down use_all_p.
4049         (scan_use): Remove use_all parameter.
4050         (scalarize_use): Likewise.  Re-expand assignment to
4051         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
4052         output, and re-scalarize after output.  Don't mark anything
4053         for no warning.
4054         (scalarize_ldst): Adjust.
4055         (scalarize_walk_gimple_modify_statement): Likewise.
4056         (build_element_name_1): Handle BIT_FIELD_REFs.
4057         (instantiate_element): Don't warn for any element whose parent
4058         is used as a whole.
4059         (instantiate_missing_elements_1): Return the sra_elt.
4060         (canon_type_for_field): New.
4061         (try_instantiate_multiple_fields): New.
4062         (instantiate_missing_elemnts): Use them.
4063         (mark_no_warning): Removed.
4064         (generate_one_element_ref): Handle BIT_FIELD_REFs.
4065         (REPLDUP, sra_build_elt_assignment): New.
4066         (generate_copy_inout): Use them.
4067         (generate_element_copy): Likewise.  Handle bitfld differences.
4068         (generate_element_zero): Don't recurse for blocks.  Use
4069         sra_build_elt_assignment.
4070         (generate_one_element_int): Take elt instead of var.  Use
4071         sra_build_elt_assignment.
4072         (generate_element_init_1): Adjust.
4073         (scalarize_use, scalarize_copy): Use REPLDUP.
4074         (scalarize_ldst): Move assert before dereference.
4075         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
4077 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4079         PR C++/31721
4080         * tree.c (reconstruct_complex_type): Reconstruct a reference
4081         correctly.
4082         Also use the same mode for the pointer as the old pointer type.
4084 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4086         * doc/trouble.texi (Interoperation): Remove note about Ultrix
4087         Fortran compiler.
4089 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
4091         PR rtl-optimization/31676
4092         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
4093         (df_refs_record): Call it.
4095 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
4097         * rtl.def (SS_ABS): New code.
4098         * config/bfin/bfin.c (print_operand): New modifier 'v'.
4099         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
4100         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
4101         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
4102         (bfin_init_builtins): Define them.
4103         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
4104         (bfin_expand_builtin): ... and handle the others here.
4105         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
4106         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
4107         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
4108         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
4109         operand is only HImode.
4111 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
4113         * regclass.c (scan_one_insn): Remove splitting of
4114         two address insns.
4116 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
4117             Nigel Stephens  <nigel@mips.com>
4119         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
4121 2007-04-28  Jan Hubicka  <jh@suse.cz>
4123         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
4124         insn_locators_alloc instead of insn_locators_initialize;
4125         call reset_block_changes.
4126         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4127         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
4128         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
4129         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
4130         * config/score/score.c (th_output_mi_thunk): Likewise.
4131         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
4132         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
4133         tolerate uninitialized locator info.
4135         Re-apply:
4136         * function.c (init_function_start): Don't init line number info.
4137         (expand_function_end): Update.
4138         (reset_block_changes, record_block_change, finalize_block_changes,
4139         check_block_change, free_block_changes): Kill.
4140         * function.h (reset_block_changes, record_block_change,
4141         finalize_block_changes, check_block_change, free_block_changes): Remove
4142         prototypes.
4143         (struct function): Remove ib_boundaries_block.
4144         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
4145         Use curr_insn_locator to initialize locator.
4146         (emit_line_note): Remove.
4147         * cfgexpand.c (expand_gimple_cond_expr): Update.
4148         (construct_exit_block): Likewise.
4149         (tree_expand_cfg): Initialize/finalize locators.
4150         * expr.c (expand_expr_real): Update.
4151         * cfglayout.c (line_locators_locs, line_locators_lines,
4152         file_locators_locs, file_locators_files): Remove.
4153         (set_block_levels): Move to cfgexpand.c.
4154         (insn_locators_initialize): Remove.
4155         (pass_insn_locators_initialize): Remove.
4156         (locations_locators_locs, locations_locators_vals): New static vars.
4157         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
4158         Likewise.
4159         (insn_locators_alloc, insn_locators_finalize,
4160         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
4161         New functions.
4162         (locator_location): New.
4163         (locator_line, locator_file): Rewrite.
4164         * rtl.h (emit_line_note): Kill.
4165         (insn_locators_alloc, insn_locators_finalize,
4166         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
4167         Declare.
4168         * tree-inline.c (initialize_cfun): Do not initialize
4169         ib_boundaries_block.
4170         * passes.c (pass_insn_locators_initialize): Remove.
4172 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
4174         * tree-cfg.c (move_block_to_fn): Release bb from dominance
4175         info.  Update last_basic_block correctly.
4177 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
4179         PR target/31701
4180         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
4181         register itself to hold the offset constant.  Tell flow the use
4182         of r4 and r5 when they are used.
4184 2007-04-27  Richard Guenther  <rguenther@suse.de>
4186         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
4187         if we simplified anything.
4188         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
4189         warnings until we did a simplification and the stmt was not
4190         marked as TREE_NO_WARNING.
4192 2007-04-27  Mike Stump  <mrs@apple.com>
4194         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
4196 2007-04-27  Ian Lance Taylor  <iant@google.com>
4198         PR middle-end/31710
4199         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
4200         TYPE_MAX_VALUE exist, convert them to the new type.
4202 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
4204         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
4205         if it claims to be available.
4206         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
4207         edge is redirected.
4208         (perform_tree_ssa_dce): Always free postdominators.
4210 2007-04-27  Richard Henderson  <rth@redhat.com>
4212         * config/alpha/predicates.md (aligned_memory_operand): Mark
4213         as define_special_predicate.
4214         (unaligned_memory_operand, normal_memory_operand): Likewise.
4215         (reg_or_unaligned_mem_operand): Remove.
4216         (any_memory_operand): Match the documentation and check for
4217         non-renumbered pseudos during reload.
4218         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
4219         alpha_secondary_reload_class, update to new interface, make static.
4220         Handle CQImode like HImode.  Remove FP subreg check.
4221         (alpha_expand_mov): Use replace_equiv_address.
4222         (alpha_expand_mov_nobwx): Use any_memory_operand.
4223         (TARGET_SECONDARY_RELOAD): New.
4224         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
4225         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
4226         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
4227         * config/alpha/alpha.md: ... here.
4228         (RELOAD12, reloadmode): New.
4229         (movcqi): New.
4230         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
4231         Don't handle the aligned case here.
4232         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
4233         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
4234         reload_inhi_help.  Don't expect a scratch register.
4235         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
4236         reload_outhi_help.
4237         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
4239 2007-04-27  Richard Guenther  <rguenther@suse.de>
4241         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
4243 2007-04-27  Richard Guenther  <rguenther@suse.de>
4245         PR tree-optimization/30965
4246         PR tree-optimization/30978
4247         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
4248         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
4249         (find_equivalent_equality_comparison): Likewise.
4250         (simplify_cond): Likewise.
4251         (get_prop_source_stmt): New helper.
4252         (get_prop_dest_stmt): Likewise.
4253         (can_propagate_from): Likewise.
4254         (remove_prop_source_from_use): Likewise.
4255         (combine_cond_expr_cond): Likewise.
4256         (forward_propagate_comparison): New function.
4257         (forward_propagate_into_cond): Rewrite to use fold for
4258         tree combining.
4259         (tree_ssa_forward_propagate_single_use_vars): Call
4260         forward_propagate_comparison to propagate comparisons.
4262 2007-04-27  Richard Guenther  <rguenther@suse.de>
4264         PR tree-optimization/31715
4265         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
4266         sure to do computation on the offset in an appropriate
4267         signed type.
4269 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
4271         * reload.h (elimination_target_reg_p): Declare.
4272         * reload.c (find_reloads): Don't apply the reg_rtx move
4273         optimization if the SET_DEST satisfies elimination_target_reg_p.
4274         * reload1.c (elimination_target_reg_p): New function.
4275         (gen_reload): In the move/add2 fallback, make sure that op0
4276         does not overlap the destination register.
4278 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
4280         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
4281         transform only GIMPLE_MODIFY_STMTs.
4282         * tree-complex.c (expand_complex_operations_1): Ditto.
4283         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
4284         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
4285         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
4286         branches.
4287         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4288         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
4289         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
4290         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
4291         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
4292         slpeel_add_loop_guard): Ditto.
4293         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
4294         * lambda-code.c (perfect_nestify): Ditto.
4295         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
4296         before the first statement.
4297         * tree-optimize.c (execute_free_datastructures): Fix comments.
4298         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
4299         * tree-flow.h (disband_implicit_edges): Declaration removed.
4300         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
4301         branches.
4302         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
4303         without gotos.
4304         (disband_implicit_edges, has_label_p): Removed.
4305         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
4306         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
4307         branches.
4308         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
4309         side effects.
4310         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
4311         also for COND_EXPRs.
4312         * cfgexpand.c (label_rtx_for_bb): New function.
4313         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
4314         Use label_rtx_for_bb to find the labels.
4315         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
4316         last block.  Detect fallthru edges.
4318 2007-04-26  Ian Lance Taylor  <iant@google.com>
4320         PR target/28675
4321         * reload.c (find_reloads_subreg_address): If the address was valid
4322         in the original mode but not in the new mode, reload the whole
4323         address.
4325 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
4327         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
4328         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
4329         (cleanup_control_expr_graph): Do not invalidate dominance info.
4330         Record altered blocks.
4331         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
4332         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
4333         cleanup_tree_cfg_bb): New functions.
4334         (remove_forwarder_block): Do not maintain the worklist of blocks.
4335         Record altered blocks.
4336         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
4337         not over whole cfg.
4338         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
4339         delete_unreachable_blocks if dominators are not available.
4340         * tree-inline.c (optimize_inline_calls): Free dominance information
4341         earlier.
4342         * tree-flow.h (remove_edge_and_dominated_blocks,
4343         cfgcleanup_altered_bbs): Altered.
4344         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
4345         blocks.
4346         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
4347         functions.
4348         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
4349         do not invalidate dominators.
4351 2007-04-26  Anatoly Sokolov <aesok@post.ru>
4353         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
4354         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
4355         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4356         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4358 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
4360         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
4362 2007-04-26  Richard Guenther  <rguenther@suse.de>
4364         PR tree-optimization/31703
4365         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
4366         the right type for the target of the bittest.
4368 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
4370         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
4371         ix86_sol10_return_in_memory.
4373 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
4375         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
4376         variables.
4378 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
4380         PR c++/31598
4381         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
4383         PR tree-optimization/30558
4384         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
4385         clear this_state.prev_try.
4387 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
4388             Mark Mitchell  <mark@codesourcery.com>
4390         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
4391         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
4392         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
4394 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
4396         PR driver/31107
4397         * doc/invoke.texi (%:print-asm-header): Document.
4398         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
4399         and -ftarget-help.
4400         (static_spec_functions): Add print-asm-header.
4401         (main): Print a banner before the --target-help linker options.
4402         (print_asm_header_spec_function): New function.
4404 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4406         PR target/31403
4407         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
4408         (movsf_ie): Likewise.
4410 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
4412         * doc/extend.texi ([Type Traits]): Adjust per N2255.
4414 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
4416         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
4417         for divide-by-zero.
4418         (__umodsi3, __modsi3): Likewise.
4420 2007-04-25  Dirk Mueller  <dmueller@suse.de>
4422         * c-typeck.c (build_compound_expr): Annotate warning()
4423         call with OPT_Wunused_value.
4424         * tree-ssa.c (warn_uninit): Annotate warning with
4425         OPT_Wunintialized.
4426         * c-common.c (handle_sentinel_attribute): Annotate warning
4427         call with OPT_Wattributes.
4429 2007-04-25  Thiemo Seufer  <ths@mips.com>
4431         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
4432         (mips16): Fix typo.
4433         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
4434         on to the assembler.  Improve handling of -mno-mips16.  Add handling
4435         of -mno-mips3d, -mno-dsp, -mno-dspr2.
4436         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
4437         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
4438         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
4440 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
4442         PR target/31680
4443         * config/i386/winnt.c (i386_pe_file_end): Strip only
4444         USER_LABEL_PREFIX when writing export name.
4446 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
4448         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
4449         sh/elf.h, vx-common.h and vxworks.h.
4450         * config/sh/sh.h: Include config/vxworks-dummy.h.
4451         (SUBTARGET_OVERRIDE_OPTIONS): Define.
4452         (OVERRIDE_OPTIONS): Use it.
4453         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
4454         (vxworks_picreg): New pattern.
4455         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
4456         VXWORKS_OS_CPP_BUILTINS.
4457         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
4458         to their VXWORKS_* equivalents.
4459         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
4460         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
4461         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
4462         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
4463         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
4464         -mrtp/-fPIC multilibs.
4465         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
4466         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
4467         (MULTILIB_OSDIRNAMES): Delete.
4469 2007-04-25  Anatoly Sokolov <aesok@post.ru>
4471         PR target/18989
4472         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
4474 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
4476         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
4477         rounding mode to be specified by the caller.
4478         (real_to_mpfr) Likewise.
4479         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
4480         include new arguments.
4481         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
4483 2007-04-24  Ian Lance Taylor  <iant@google.com>
4485         PR tree-optimization/31605
4486         * tree-vrp.c (set_value_range): Check that min and max are not
4487         both overflow infinities.
4488         (set_value_range_to_value): New static function.
4489         (extract_range_from_binary_expr): Call set_value_range_to_value.
4490         (extract_range_from_cond_expr): Likewise.
4491         (extract_range_from_expr): Likewise.
4492         (extract_range_from_unary_expr): Likewise.  Don't create a range
4493         which overflows on both sides.
4494         (vrp_meet): Check for a useless range.
4495         (vrp_visit_phi_node): If we see a constant which looks like an
4496         overflow infinity, turn off the TREE_OVERFLOW flag.
4498 2007-04-24  Ian Lance Taylor  <iant@google.com>
4500         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
4502 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
4504         PR diagnostic/25923
4505         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
4506         diagnostic message is being built.
4507         * tree-pretty-print.c (dump_generic_node): Only write the
4508         formatted text into BUFFER's stream if we are not building a
4509         diagnostic message.
4510         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
4511         dump_generic_node.
4512         * Makefile.in (toplev.o): Depend on tree-pass.h.
4514 2007-04-24  Ian Lance Taylor  <iant@google.com>
4516         PR tree-optimization/31602
4517         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
4518         conditionals in the copied loop header.
4519         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
4520         warnings if TREE_NO_WARNING is set.
4521         * doc/invoke.texi (Warning Options): Clarify that
4522         -Wstrict-overflow does not warn about loops.
4524 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
4526         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
4527         expand on the comment about _Decimal128 arguments and check the
4528         integer result of the modulus operation; for 64-bit ELF ABI, ensure
4529         that _Decimal128 argument uses even/odd register pair.
4530         (function_arg): Ditto.
4532 2007-04-24  Hui-May Chang <hm.chang@apple.com>
4534         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
4535         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
4537 2007-04-24  Richard Guenther  <rguenther@suse.de>
4538             Olga Golovanevsky  <olga@il.ibm.com>
4540         * fold-const.c (multiple_of_p): Check for bottom
4541         to be zero.
4543 2007-04-24  Richard Henderson  <rth@redhat.com>
4545         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
4546         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
4547         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
4548         looking for non-zero bits shifted out.  Avoid a recursive call
4549         when constructing the scalar.
4550         (__floatundisf): Likewise.
4552 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
4554         * dwarf2out.c (field_byte_offset): Move the existing logic
4555         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
4556         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
4558 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4560         PR target/31641
4561         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
4562         argument of 0 for memset.
4563         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
4564         unsigned shift instead of the signed variant.
4566 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4568         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
4569         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
4570         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
4571         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4572         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
4573         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
4574         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
4575         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
4576         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
4577         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
4578         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
4579         "mul<mode>3", "div<mode>3"): Insn definitions added.
4580         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
4581         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
4582         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
4583         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
4584         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
4585         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
4586         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
4587         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
4588         TARGET_FLOAT_FORMAT): Macro definitions removed.
4589         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
4590         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
4591         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
4592         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
4593         (s390_gen_rtx_const_DI): Function removed.
4594         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
4596 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
4598         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
4599         over an external ffs function.
4601 2007-04-24  Chao-ying Fu  <fu@mips.com>
4602             Richard Sandiford  <richard@nildram.co.uk>
4604         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
4605         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
4606         (smadd_widen_optab, umadd_widen_optab): Define.
4607         * optabs.c (init_optabs): Initialize smadd_widen_optab and
4608         umadd_widen_optab.
4609         * genopinit.c (optabs): Fill in smadd_widen_optab and
4610         umadd_widen_optab.
4611         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
4612         and umadd_widen_optab to implement multiply-add sequences.
4613         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
4614         (<u>maddsidi4): ...this.  Extend condition to include
4615         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
4616         of operand 0 to "ka" and use the three-operand form of madd<u>
4617         for TARGET_DSPR2.
4618         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
4619         to define_expands.
4620         * config/mips/constraints.md (ka): New register constraint.
4622 2007-04-24  Jan Hubicka  <j@suse.cz>
4624         Revert:
4626         2007-04-23  Jan Hubicka  <jh@suse.cz>
4627         * function.c (init_function_start): Don't init line number info.
4628         (expand_function_end): Update.
4629         (reset_block_changes, record_block_change, finalize_block_changes,
4630         check_block_change, free_block_changes): Kill.
4631         * function.h (reset_block_changes, record_block_change,
4632         finalize_block_changes, check_block_change, free_block_changes): Remove
4633         prototypes.
4634         (struct function): Remove ib_boundaries_block.
4635         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
4636         Use curr_insn_locator to initialize locator.
4637         (emit_line_note): Remove.
4638         * cfgexpand.c (expand_gimple_cond_expr): Update.
4639         (construct_exit_block): Likewise.
4640         (tree_expand_cfg): Initialize/finalize locators.
4641         * expr.c (expand_expr_real): Update.
4642         * cfglayout.c (line_locators_locs, line_locators_lines,
4643         file_locators_locs, file_locators_files): Remove.
4644         (set_block_levels): Move to cfgexpand.c.
4645         (insn_locators_initialize): Remove.
4646         (pass_insn_locators_initialize): Remove.
4647         (locations_locators_locs, locations_locators_vals): New static vars.
4648         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
4649         Likewise.
4650         (insn_locators_alloc, insn_locators_finalize,
4651         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
4652         New functions.
4653         (locator_location): New.
4654         (locator_line, locator_file): Rewrite.
4655         * rtl.h (emit_line_note): Kill.
4656         (insn_locators_alloc, insn_locators_finalize,
4657         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
4658         Declare.
4659         * tree-inline.c (initialize_cfun): Do not initialize
4660         ib_boundaries_block.
4661         * passes.c (pass_insn_locators_initialize): Remove.
4663 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
4665         * doc/invoke.texi: Removed leading '-' from option index entries.
4667 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4669         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
4670         Use phi_nodes_ptr.
4671         (create_phi_node): Use set_phi_nodes.
4672         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
4673         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
4674         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
4675         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
4676         (bsi_start, bsi_last): Use bb_stmt_list.
4677         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
4678         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
4679         Traverse the statements using tsi iterator.
4680         * basic-block.h (struct basic_block_def): Fields stmt_list
4681         and phi_nodes moved to ...
4682         (struct tree_bb_info): ... new structure.
4683         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
4684         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
4685         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
4686         (tree_verify_flow_info): Verify that il.tree is not set for
4687         entry and exit block.
4688         (tree_split_block): Use set_bb_stmt_list.
4690 2007-04-23  Mike Stump  <mrs@apple.com>
4692         * config/i386/i386.c (ix86_tune_features
4693         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
4694         nocona and core2.
4696 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
4698         * config/i386/i386.md (prefix_extra): New attribute.
4699         (length): Add prefix_extra.
4701         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
4702         (sse2_movntv2di): Likewise.
4703         (sse2_cvtps2dq): Likewise.
4704         (sse2_cvtpd2pi): Likewise.
4705         (sse2_cvttpd2pi): Likewise.
4706         (*sse2_cvtpd2ps): Likewise.
4707         (*add<mode>3): Likewise.
4708         (sse2_ssadd<mode>3): Likewise.
4709         (sse2_usadd<mode>3): Likewise.
4710         (*sub<mode>3): Likewise.
4711         (sse2_sssub<mode>3): Likewise.
4712         (sse2_ussub<mode>3): Likewise.
4713         (*mulv8hi3): Likewise.
4714         (*smulv8hi3_highpart): Likewise.
4715         (*umulv8hi3_highpart): Likewise.
4716         (sse2_umulv2siv2di3): Likewise.
4717         (sse2_pmaddwd): Likewise.
4718         (ashr<mode>3): Likewise.
4719         (lshr<mode>3): Likewise.
4720         (ashl<mode>3): Likewise.
4721         (sse2_ashlti3): Likewise.
4722         (sse2_lshrti3): Likewise.
4723         (*umaxv16qi3): Likewise.
4724         (*smaxv8hi3): Likewise.
4725         (*uminv16qi3): Likewise.
4726         (*sminv8hi3): Likewise.
4727         (sse2_eq<mode>3): Likewise.
4728         (sse2_gt<mode>3): Likewise.
4729         (*and<mode>3): Likewise.
4730         (sse2_nand<mode>3): Likewise.
4731         (*ior<mode>3): Likewise.
4732         (*xor<mode>3): Likewise.
4733         (sse2_packsswb): Likewise.
4734         (sse2_packssdw): Likewise.
4735         (sse2_packuswb): Likewise.
4736         (sse2_punpckhbw): Likewise.
4737         (sse2_punpcklbw): Likewise.
4738         (sse2_punpckhwd): Likewise.
4739         (sse2_punpcklwd): Likewise.
4740         (sse2_punpckhdq): Likewise.
4741         (sse2_punpckldq): Likewise.
4742         (sse2_punpckhqdq): Likewise.
4743         (sse2_punpcklqdq): Likewise.
4744         (*sse2_pinsrw): Likewise.
4745         (*sse2_pextrw): Likewise.
4746         (sse2_pshufd_1): Likewise.
4747         (sse2_uavgv16qi3): Likewise.
4748         (sse2_uavgv8hi3): Likewise.
4749         (sse2_psadbw): Likewise.
4750         (sse2_pmovmskb): Likewise.
4751         (*sse2_maskmovdqu): Likewise.
4752         (*sse2_maskmovdqu_rex64): Likewise.
4753         (sse4a_extrqi): Likewise.
4754         (sse4a_extrq): Likewise.
4755         (sse3_lddqu): Set prefix_rep.
4756         (sse3_addsubv4sf3): Likewise.
4757         (sse3_haddv4sf3): Likewise.
4758         (sse3_hsubv4sf3): Likewise.
4759         (sse_cvtss2si): Likewise.
4760         (sse_cvtss2si_2): Likewise.
4761         (sse_cvtss2siq): Likewise.
4762         (sse_cvtss2siq_2): Likewise.
4763         (sse_cvttss2si): Likewise.
4764         (sse_cvttss2siq): Likewise.
4765         (sse2_cvttps2dq): Likewise.
4766         (sse3_movshdup): Likewise.
4767         (sse3_movsldup): Likewise.
4768         (sse2_cvtsd2si): Likewise.
4769         (sse2_cvtsd2si_2): Likewise.
4770         (sse2_cvtsd2siq): Likewise.
4771         (sse2_cvtsd2siq_2): Likewise.
4772         (sse2_cvttsd2si): Likewise.
4773         (sse2_cvttsd2siq): Likewise.
4774         (*sse2_cvtpd2dq): Likewise.
4775         (*sse2_cvttpd2dq): Likewise.
4776         (sse2_pshuflw_1): Likewise.
4777         (sse2_pshufhw_1): Likewise.
4778         (sse4a_insertqi): Likewise.
4779         (sse4a_insertq): Likewise.
4780         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
4781         (ssse3_phadddv4si3): Likewise.
4782         (ssse3_phaddswv8hi3): Likewise.
4783         (ssse3_phsubwv8hi3): Likewise.
4784         (ssse3_phsubdv4si3): Likewise.
4785         (ssse3_phsubswv8hi3): Likewise.
4786         (ssse3_pmaddubswv8hi3): Likewise.
4787         (ssse3_pmulhrswv8hi3): Likewise.
4788         (ssse3_pshufbv16qi3): Likewise.
4789         (ssse3_psign<mode>3): Likewise.
4790         (ssse3_palignrti): Likewise.
4791         (abs<mode>2): Likewise.
4792         (ssse3_phaddwv4hi3): Set prefix_extra.
4793         (ssse3_phadddv2si3): Likewise.
4794         (ssse3_phaddswv4hi3): Likewise.
4795         (ssse3_phsubwv4hi3): Likewise.
4796         (ssse3_phsubdv2si3): Likewise.
4797         (ssse3_phsubswv4hi3): Likewise.
4798         (ssse3_pmaddubswv4hi3): Likewise.
4799         (ssse3_pmulhrswv4hi3): Likewise.
4800         (ssse3_pshufbv8qi3): Likewise.
4801         (ssse3_psign<mode>3): Likewise.
4802         (ssse3_palignrdi): Likewise.
4803         (abs<mode>2): Likewise.
4804         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
4805         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
4806         (sse2_pmovmskb): Set mode to SI instead of V2DF.
4808 2007-04-23  Nick Clifton  <nickc@redhat.com>
4810         * params.def: Fix formatting of emacs local variables.
4812 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
4814         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
4815         move if inter-unit move isn't allowed.
4816         Don't split moving the first element of V2DI to DI to inter-unit
4817         move if inter-unit move isn't allowed.
4819 2007-04-23  Richard Guenther  <rguenther@suse.de>
4821         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
4822         and CDI_POST_DOMINATORS separately.
4824 2007-04-23  Nick Clifton  <nickc@redhat.com>
4826         * c.opt (Wformat-contains-nul): Add warning attribute.
4828 2007-04-23  Jan Hubicka  <jh@suse.cz>
4830         * function.c (init_function_start): Don't init line number info.
4831         (expand_function_end): Update.
4832         (reset_block_changes, record_block_change, finalize_block_changes,
4833         check_block_change, free_block_changes): Kill.
4834         * function.h (reset_block_changes, record_block_change,
4835         finalize_block_changes, check_block_change, free_block_changes): Remove
4836         prototypes.
4837         (struct function): Remove ib_boundaries_block.
4838         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
4839         Use curr_insn_locator to initialize locator.
4840         (emit_line_note): Remove.
4841         * cfgexpand.c (expand_gimple_cond_expr): Update.
4842         (construct_exit_block): Likewise.
4843         (tree_expand_cfg): Initialize/finalize locators.
4844         * expr.c (expand_expr_real): Update.
4845         * cfglayout.c (line_locators_locs, line_locators_lines,
4846         file_locators_locs, file_locators_files): Remove.
4847         (set_block_levels): Move to cfgexpand.c.
4848         (insn_locators_initialize): Remove.
4849         (pass_insn_locators_initialize): Remove.
4850         (locations_locators_locs, locations_locators_vals): New static vars.
4851         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
4852         Likewise.
4853         (insn_locators_alloc, insn_locators_finalize,
4854         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
4855         New functions.
4856         (locator_location): New.
4857         (locator_line, locator_file): Rewrite.
4858         * rtl.h (emit_line_note): Kill.
4859         (insn_locators_alloc, insn_locators_finalize,
4860         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
4861         Declare.
4862         * tree-inline.c (initialize_cfun): Do not initialize
4863         ib_boundaries_block.
4864         * passes.c (pass_insn_locators_initialize): Remove.
4866 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4868         PR middle-end/31448
4869         * expr.c (reduce_to_bit_field_precision): Handle
4870         CONST_INT rtx's.
4872 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
4874         PR tree-optimization/24659
4875         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
4876         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
4877         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
4878         * genopinit.c (optabs): Rename vec_pack_mod_optab
4879         to vec_pack_trunc_optab.
4880         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
4881         early for scalar floating point operands for NOP_EXPR.
4882         (vectorizable_type_promotion): Ditto.
4883         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
4884         vec_pack_trunc_optab.
4885         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
4887         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
4888         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
4889         Rename from VEC_PACK_MOD_EXPR.
4890         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
4891         * expr.c (expand_expr_real_1): Ditto.
4892         * tree-inline.c (estimate_num_insns_1): Ditto.
4893         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
4895         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
4896         (vec_unpacks_lo_v4sf): Ditto.
4897         (vec_pack_trunc_v2df): Ditto.
4898         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
4899         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
4900         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
4902         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
4903         vec_pack_mod_v8hi.
4904         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
4906         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
4907         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
4908         packing of floating point operands.
4909         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
4910         represent unpacking of floating point operands.
4911         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
4912         [vec_unpacks_hi]: Ditto.
4913         [vec_unpacks_lo]: Ditto.
4915 2007-04-22  Jan Hubicka  <jh@suse.cz>
4917         * final.c (rest_of_handle_final): Call
4918         targetm.asm_out.constructor/targetm.asm_out.destructor
4919         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
4920         proper priority via decl_*_priority_insert.
4921         * c-common.c (c_expand_body): Likewise.
4923 2007-04-22  Richard Guenther  <rguenther@suse.de>
4925         PR tree-optimization/29789
4926         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
4927         (rewrite_reciprocal): New helper split out from
4928         determine_invariantness_stmt.
4929         (rewrite_bittest): Likewise.
4930         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
4931         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
4932         is not.
4934 2007-04-22  Revital Eres  <eres@il.ibm.com>
4936         * loop-unroll.c (var_to_expand): New field to support also
4937         insns of the form x = something + x.
4938         (analyze_insn_to_expand_var): Use it.
4939         (expand_var_during_unrolling): Likewise.
4941 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
4943         * predict.c: Include pointer-set.h.
4944         (bb_predictions): New variable.
4945         (tree_predicted_by_p, tree_predict_edge,
4946         remove_predictions_associated_with_edge): Use bb_predictions map
4947         instead of bb->predictions.
4948         (clear_bb_predictions, assert_is_empty): New functions.
4949         (combine_predictions_for_bb): Use bb_predictions map.  Call
4950         clear_bb_predictions.
4951         (tree_estimate_probability): Create and free bb_predictions map.
4952         * Makefile.in (predict.o): Add pointer-set.h dependency.
4953         * basic-block.h (struct basic_block_def): Remove predictions
4954         field.
4955         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
4957 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4959         PR target/31480
4960         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
4961         is null.
4963 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4965         * timevar.c (timevar_print): Change reference of --disable-checking to
4966         --enable-checking=release.  Also warn if assert checking is disabled.
4968 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4970         PR C/30265
4971         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
4972         decl as addressable if the compound literal was marked as
4973         addressable.
4974         Mark the decl as a gimple register if it is a complex or
4975         vector decl and does not live in memory.
4977 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4979         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
4980         (GENERIC_NEXT): New function macro.
4981         (PHI_CHAIN): Use phi_node's new chain variable.
4982         (tree_phi_node): Change tree_common to tree_base
4983         and add the chain field.
4984         * tree-phinodes.c (make_phi_node): Don't set
4985         TREE_TYPE on the new node.
4986         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
4987         instead of checking GIMPLE_TUPLE_P in chain_next.
4988         * tree-vect-transform.c
4989         (get_initial_def_for_induction): Look at
4990         PHI_RESULT_TREE for the type of the phi node.
4991         (update_vuses_to_preheader): Use PHI_CHAIN
4992         instead of TREE_CHAIN on the phi node.
4993         * tree-ssa-structalias.c (compute_points_to_sets):
4994         Likewise.
4995         (ipa_pta_execute): Likewise.
4997 2007-04-21  Richard Guenther  <rguenther@suse.de>
4999         PR middle-end/31136
5000         * fold-const.c (fold_unary): Call fold_convert_const on the
5001         original tree.
5003 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
5005         * gcse.c (store_killed_in_insn): Handle PARALLELs.
5006         (store_killed_in_pat): New.
5008 2007-04-20  Richard Henderson  <rth@redhat.com>
5010         PR target/31628
5011         * config/i386/i386.c (type_has_variadic_args_p): Look for any
5012         TREE_LIST with a void_type_node value, not void_list_node exactly.
5014 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
5016         * doc/standards.texi: Re-arrange into language-specific
5017         subsections. Add a C++ section, documenting which standards we
5018         support.
5020 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
5022         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
5023         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
5025 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
5027         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
5028         ecrti.o and crtbegin.o.
5029         (LIB_DEFAULT_SPEC): Include -lc.
5030         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
5032 2007-04-20  Richard Henderson  <rth@redhat.com>
5034         PR target/28623
5035         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
5036         argument; update all callers.
5037         (get_unaligned_offset): New.
5038         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
5039         get_unaligned_address, just pass on the address directly.
5040         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
5041         the subreg in the helper patterns.
5042         (unaligned_extendqidi_le): Use get_unaligned_offset.
5043         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
5044         (unaligned_extendhidi_be): Likewise.
5045         (unaligned_extendhidi): Tidy.
5046         * config/alpha/alpha-protos.h: Update.
5048 2007-04-20  Richard Henderson  <rth@redhat.com>
5050         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
5051         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
5052         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
5053         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
5054         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
5055         (CPP_SPEC): Don't include %(cpp_subtarget).
5056         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
5057         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
5058         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
5060 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
5062         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
5063         for __builtin_ia32_cmpordss.
5065         PR tree-optimization/31632
5066         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5067         and arg1 for optimizations of comparison against min/max values.
5068         Fold arg0 to arg1's type for optimizations of comparison against
5069         min+1 and max-1 values.
5071 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
5073         * reload.c (combine_reloads): When trying to use a dying register,
5074         check whether it's uninitialized and don't use if so.
5076 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
5078         * fold-const.c: Remove prototypes for native_encode_expr and
5079         native_interpret_expr.
5080         (native_encode_expr): Make non-static.
5081         (native_interpret_expr): Likewise.
5082         * tree.h: Add prototypes for the above.
5084 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
5086         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
5087         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
5088         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
5089         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
5090         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
5091         Add length attributes.
5093 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
5095         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
5096         not that it is 1.
5098         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
5099         __STDC_WANT_DEC_FP__.
5101 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
5103         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
5104         for long double compatibility.
5105         * configure: Regenerate.
5107 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5109         PR rtl-optimization/29841
5110         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
5111         trap instructions.
5112         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
5113         that may cause control flow transfer from being moved.
5115 2007-04-18  Jan Hubicka  <jh@suse.cz>
5117         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
5118         types.
5120 2007-04-18  Eric Christopher  <echristo@apple.com>
5122         * config/rs6000/darwin.md (load_macho_picbase): Use link register
5123         only. Update operands.
5124         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
5125         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
5126         link register to pic register.
5128 2007-04-18  Dirk Mueller  <dmueller@suse.de>
5130         PR diagnostic/31227
5131         * tree-vrp.c (search_for_addr_array): New.
5132         (check_array_bounds): Suppress warning about
5133         address taken of array refs if its not de-referenced.
5135 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
5137         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
5138         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
5140         * tree-vectorizer.h (NITERS_KNOWN_P): New.
5141         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
5142         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
5144         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
5145         dump print.
5146         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
5147         print message.
5148         (vect_analyze_scalar_cycles): Fix indentation.
5149         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
5150         (vect_mark_relevant): Include phis in relevance analysis.
5152         * tree-vect-transform.c (vect_transform_loop): Add an assert.
5154 2007-04-18  Anatoly Sokolov <aesok@post.ru>
5156         * config/avr/avr.c (ptrreg_to_str): Replace error() with
5157         output_operand_lossage().
5159 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
5161         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
5162         the unused code for reduction without adjust-in-epilog to simplify the
5163         function.
5165 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
5167         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
5168         (S390_TDC_NEGATIVE_ZERO): New constant.
5169         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
5170         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
5171         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
5172         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
5173         (S390_TDC_POSITIVE_INFINITY): New constant.
5174         (S390_TDC_NEGATIVE_INFINITY): New constant.
5175         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
5176         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
5177         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
5178         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
5179         (S390_TDC_INFINITY): New constant.
5180         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
5181         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
5182         optimization for UNSPEC_CCZ_TO_INT.
5183         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
5184         ("*ccz_to_int"): New insn.
5185         ("isinf<mode>2"): New insn.
5186         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
5187         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
5188         (UNSPEC_CCZ_TO_INT): New constant.
5190 2007-04-18  Richard Guenther  <rguenther@suse.de>
5192         PR tree-optimization/19431
5193         PR tree-optimization/21463
5194         * tree-pass.h (pass_phiprop): Declare.
5195         * passes.c (init_optimization_passes): New phiprop pass.
5196         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
5197         (phivn_valid_p): New helper function.
5198         (phiprop_insert_phi): Likewise.
5199         (propagate_with_phi): Likewise.
5200         (tree_ssa_phiprop): New propagator propagating loads
5201         through phi nodes if profitable.
5203 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
5205         * tree-vect-analyze.c (process_use): New function.
5206         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
5207         Check phis in all bbs.
5208         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
5209         assert.
5211 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
5213         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
5214         we use REG_EQUAL.
5216 2007-04-17  Anatoly Sokolov <aesok@post.ru>
5218         PR target/30483
5219         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
5220         error().
5222 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
5224         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
5225         on "0".
5226         (sse_vmmulv4sf3): Likewise.
5227         (sse2_vmaddv2df3): Likewise.
5228         (sse2_vmmulv2df3): Likewise.
5230 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
5232         PR rtl-optimization/31360
5233         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
5234         (target_reg_cost): New.
5235         (init_set_costs): Initialize target_reg_cost.  Add comments
5236         regarding the rationale of the costs.
5237         (global_cost_for_size): Renamed to...
5238         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
5239         of register pressure.
5240         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
5241         estimate_reg_pressure_cost.  Add number of ivs.
5242         (determine_set_costs): Dump target_reg_cost.
5243         * loop-invariant.c (gain_for_invariant):  Use
5244         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
5245         (best_gain_for_invariant, find_invariants_to_move): Remove
5246         n_inv_uses.
5247         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
5248         (target_reg_cost): Declare.
5249         (global_cost_for_size): Declaration removed.
5250         (estimate_reg_pressure_cost): Declare.
5252 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
5254         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
5255         regnos into even/odd register pairs.
5256         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
5257         TDmode similar to the other floating point modes.
5258         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
5259         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
5260         define_expand's.
5261         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
5262         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
5263         (movdd_hardfloat64): Use TARGET_MFPGPR.
5265 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
5267         * reload1.c (delete_output_reload): Don't count output in n_inherited.
5269         Revert
5270         2005-01-05  Richard Henderson  <rth@redhat.com>
5271         PR rtl-opt/10692
5272         * reload1.c (do_input_reload): Restrict the optimization deleteing
5273         a previous output reload to RELOAD_FOR_INPUT.
5275 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
5277         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
5278         induc_vec_info_type.
5279         (vectorizable_induction): New function declaration.
5280         * tree-vect-transform.c (get_initial_def_for_induction): No need to
5281         check if already vectorized.  Find first place in BB where new stmts
5282         can be inserted.  Takes only one argument.
5283         (vectorizable_induction): New function.
5284         (vect_transform_stmt): Add case for induc_vec_info_type to call
5285         vectorizable_induction.
5286         (vect_transform_loop): Consider phis for vectorization.
5287         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
5288         condition.
5289         (analyze_operations): Call vectorizable_induction when analyzing phis.
5290         Fix comment.
5291         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
5292         (vect_mark_relevant): Include phis in relevance analysis.
5293         (vect_mark_stmts_to_be_vectorize): Likewise.
5294         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
5296 2007-04-16  Lawrence Crowl  <crowl@google.com>
5298         * doc/invoke.texi (Debugging Options): Add documentation for the
5299         -femit-struct-debug options -femit-struct-debug-baseonly,
5300         -femit-struct-debug-reduced, and
5301         -femit-struct-debug-detailed[=...].
5303         * c-opts.c (c_common_handle_option): Add
5304         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
5305         and OPT_femit_struct_debug_detailed_.
5306         * c.opt: Add specifications for
5307         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
5308         and -femit-struct-debug-detailed[=...].
5309         * opts.c (set_struct_debug_option): Parse the
5310         -femit-struct-debug-... options.
5311         * opts.c (matches_main_base, main_input_basename,
5312         main_input_baselength, base_of_path, matches_main_base): Add
5313         variables and functions to compare header base name to compilation
5314         unit base name.
5315         * opts.c (should_emit_struct_debug): Add to determine to emit a
5316         structure based on the option.
5317         (dump_struct_debug) Also disabled function to debug this
5318         function.
5319         * opts.c (handle_options): Save the base name of the
5320         compilation unit.
5322         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
5323         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
5324         This hook indicates if a type is generic.  Set it by default
5325         to "never generic".
5326         * langhooks.h (struct lang_hooks_for_types): Add a new hook
5327         to determine if a struct type is generic or not.
5328         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
5329         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
5330         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
5331         with live C++ hook.
5333         * flags.h (enum debug_info_usage): Add an enumeration to describe
5334         a program's use of a structure type.
5335         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
5336         to indicate the program's usage of the type.  Filter structs based
5337         on the -femit-struct-debug-... specification.
5338         (gen_type_die): Split into two routines, gen_type_die and
5339         gen_type_die_with_usage.  gen_type_die is now a wrapper
5340         that assumes direct usage.
5341         (gen_type_die_with_usage): Replace calls to gen_type_die
5342         with gen_type_die_with_usage adding the program usage of
5343         the referenced type.
5344         (dwarf2out_imported_module_or_decl): Suppress struct debug
5345         information using should_emit_struct_debug when appropriate.
5347 2007-04-16  Ian Lance Taylor  <iant@google.com>
5349         PR tree-optimization/31522
5350         * tree-vrp.c (vr_phi_edge_counts): New static variable.
5351         (vrp_initialize): Allocate vr_phi_edge_counts.
5352         (vrp_visit_phi_node): Don't push to infinity if we saw a new
5353         executable edge.  Drop test for all constants.
5354         (vrp_finalize): Free vrp_phi_edge_counts.
5356         * doc/cpp.texi (Common Predefined Macros): Clarify description of
5357         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5359         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
5360         predecessors at head rather than tail.
5362 2007-04-16  Matthias Klose  <doko@debian.org>
5364         * config/alpha/linux.h (CPP_SPEC): Define.
5365         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
5367 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
5369         * function.h: Remove sequence_stack extern declaration.
5371 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
5373         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
5374         TARGET_FIDOA.
5375         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
5376         defined.
5378 2007-04-16  Anatoly Sokolov <aesok@post.ru>
5380         * config/avr/avr.c (avr_arch_types): Rearranging  array.
5381         (enum avr_arch): Add.
5382         (avr_mcu_types): Use avr_arch enumeration constants instead of
5383         numbers.
5384         * config/avr/avr.h (LINK_SPEC): Simplify.
5386 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
5388         * config/m68k/m68k.c (m68k_libcall_value,
5389         m68k_function_value): Use macros for register names more.
5391         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
5392         instead.
5393         (M68K_REGNAME): Use A6_REG.
5394         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
5396 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5398         PR middle-end/28071
5399         * sched-int.h (struct deps): Split field 'pending_lists_length' into
5400         'pending_read_list_length' and 'pending_write_list_length'.  Update
5401         comment.
5402         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
5403         to handle two length counters instead of one.  Update all uses.
5404         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
5405         two length counters instead of one.
5406         * sched-rgn.c (propagate_deps): Update to handle two length counters
5407         instead of one.
5409 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
5411         PR target/31582
5412         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
5413         copy of source, pass it to ix86_expand_vector_set and return
5414         it as target.
5416 2007-04-16  David Ung  <davidu@mips.com>
5417             Joseph Myers  <joseph@codesourcery.com>
5419         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
5420         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
5421         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
5422         Add 74K processor information.
5423         * config/mips/mips.md: Include 74k.md.
5424         (cpu): Add 74kc,74kf,74kx.
5425         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
5426         * config/mips/74k.md: New.
5427         * doc/invoke.texi (MIPS Options): Document 74K support.
5429 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
5431         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
5432         vectorizable_* functions.
5433         * tree-vect-transform.c (vectorizable_call): Add check for
5434         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
5435         (vectorizable_store): likewise.
5436         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
5437         Add comments.
5438         (vectorizable_operation, vectorizable_type_demotion): Likewise.
5439         (vectorizable_type_promotion, vectorizable_load): Likewise.
5440         (vectorizable_live_operation, vectorizable_condition): Likewise.
5441         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
5442         STMT_VINFO_LIVE_P.
5443         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
5445 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
5447         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
5448         register numbers more.
5449         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
5450         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
5451         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
5452         FUNCTION_VALUE_REGNO_P): Likewise.
5453         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
5454         STATIC_CHAIN_REGNUM): Likewise.
5455         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
5456         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
5457         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
5458         * config/m68k/m68k.md (FP_REG): New.
5460 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
5462         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
5463         alignment on fido.
5465 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
5467         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
5468         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
5469         comment typos.
5471 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
5473         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
5474         cold loops.
5476 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5478         PR c/31520
5479         * c-decl.c (finish_decl): Grab the type of the decl after the call
5480         to store_init_value.
5482 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
5484         * common.opt (fforward-propagate): Fix "Optimization" annotation.
5486 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
5488         PR c++/25874
5489         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
5490         post dominators and cleanup cfg before returning.
5492 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
5494         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
5495         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
5497 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
5499         * config.gcc: Recognize fido.
5500         * config/m68k/m68k-devices.def (fidoa): New.
5501         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
5502         __mfido__.
5503         (FL_FIDOA, TARGET_FIDOA): New.
5504         * config/m68k/m68k.opt (mfidoa): New.
5506 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5508         PR middle-end/31322
5509         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
5510         when a personality function is used.
5512 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
5514         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
5516 2007-04-13  Mike Stump  <mrs@apple.com>
5518         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
5519         we can...
5520         * config/darwin.opt (fapple-kext): Make C++ only.
5521         * config/darwin.c (darwin_override_options): Remove code to ensure
5522         -fapple-kext is given for C++ only.
5524 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
5526         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
5527         * config/mips/mips.c (override_options): Call
5528         SUBTARGET_OVERRIDE_OPTIONS, if defined.
5530 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
5532         * config/i386/i386.opt (msvr3-shlib): Removed.
5534         * doc/invoke.texi: Remove -msvr3-shlib.
5536 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
5538         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
5539         with "popcnt" instruction.
5541 2007-04-13  Richard Guenther  <rguenther@suse.de>
5543         PR tree-optimization/21258
5544         * tree-vrp.c (compare_case_labels): New helper.
5545         (find_switch_asserts): New function.
5546         (find_assert_locations): Call it for SWITCH_EXPRs.
5548 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
5550         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
5551         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
5552         check is now implied in X87_FLOAT_MODE_P.
5553         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
5554         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
5555         (fix_trunc<mode>_i386_fisttp): Ditto.
5556         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
5557         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
5558         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
5559         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
5560         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
5561         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
5562         (unnamed_splitters): Ditto.
5563         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
5564         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
5565         FIRST_SSE_REG for local functions when SSE math is enabled or
5566         for functions with sseregparm attribute.
5567         (standard_80387_constant_p): Return -1 if mode is not
5568         X87_FLOAT_MODE_P.
5569         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
5570         (ix86_expand_compare): Ditto.
5571         (ix86_expand_carry_flag_compare): Ditto.
5572         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
5573         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
5574         DECIMAL_FLOAT_MODE_P.
5575         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
5576         of SCALAR_FLOAT_MODE_P.
5577         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
5578         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
5579         checks before FLOAT_MODE_P.
5580         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
5581         before FLOAT_MODE_P.
5582         [DIV]: Ditto.
5583         [NEG]: Ditto.
5584         [ABS]: Ditto.
5585         [SQRT]: Ditto.
5586         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
5588 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
5589             Charles Wilson  <libtool@cwilson.fastmail.fm>
5591         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
5592         (libgcc.mvars): Don't depend on them.
5593         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
5594         * exec-tool.in: New.
5596 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
5598         * doc/invoke.text (--help): Document --help=common.
5600 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
5602         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
5604 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5606         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
5607         * genemit.c (main): Emit #include "integrate.h".
5608         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
5609         (LOADGP_RTP): New mips_loadgp_style.
5610         * config/mips/mips.h: Include config/vxworks-dummy.h.
5611         (TARGET_RTP_PIC): New macro.
5612         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
5613         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
5614         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
5615         for TARGET_RTP_PIC.
5616         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
5617         -mvxworks-pic when using -mrtp and a PIC option.
5618         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
5619         for RTP PIC.
5620         (mips_symbolic_constant_p, mips_symbolic_address_p)
5621         (mips_symbol_insns): Handle SYMBOL_HALF.
5622         (override_options): Warn about -G and -mrtp being used together.
5623         Initialize mips_lo_relocs[SYMBOL_HALF].
5624         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
5625         (mips_emit_loadgp): Handle LOADGP_RTP.
5626         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
5627         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
5628         (tablejump): Handle function-relative case table entries if
5629         TARGET_RTP_PIC.
5630         * config/mips/predicates.md (symbol_ref_operand): New predicate.
5632 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5634         * config/mips/mips.md (load_call<mode>): Allow any general register.
5635         destination.
5636         (sibcall_value_internal, sibcall_value_multiple_internal)
5637         (call_value_internal, call_value_split, call_value_multiple_internal)
5638         (call_value_multiple_split): Remove constraints from operand 0.
5640 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5642         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
5643         rather than loadgp_noshared.
5644         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
5645         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
5646         gen_loadgp.
5647         * config/mips/mips.md (loadgp): Rename to...
5648         (loadgp_newabi): ...this.
5649         (loadgp_noshared): Rename to...
5650         (loadgp_absolute): ...this.
5652 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5654         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
5655         false for locally-binding symbols.
5656         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
5658 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5660         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
5661         (SYMBOL_GOT_PAGE_OFST): ...this.
5662         (SYMBOL_GOT_GLOBAL): Rename to...
5663         (SYMBOL_GOT_DISP): ...this.
5664         (SYMBOL_GOTOFF_GLOBAL): Rename to...
5665         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
5666         * config/mips/mips.c (mips_global_symbol_p): New function.
5667         (mips_symbol_binds_local_p): Likewise.
5668         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
5669         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
5670         and mips_symbol_binds_local_p.
5671         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
5672         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
5673         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
5674         SYMBOL_GOTOFF_DISP.
5675         (mips_ok_for_lazy_binding_p): New function.
5676         (mips_load_call_address, mips_expand_call): Use it.
5677         (mips_dangerous_for_la25_p): Likewise.
5678         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
5679         (*got_disp<mode>): Use got_disp_operand instead of
5680         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
5681         SYMBOL_GOTOFF_GLOBAL.
5682         (*got_page<mode>): Use got_page_ofst_operand instead of
5683         local_got_operand.
5684         * config/mips/predicates.md (const_call_insn_operand): Use
5685         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
5686         (global_got_operand): Rename to...
5687         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
5688         SYMBOL_GOT_GLOBAL.
5689         (local_got_operand): Rename to...
5690         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
5691         of SYMBOL_GOT_LOCAL.
5693 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5695         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
5696         TARGET_CALL_CLOBBERED_GP.
5697         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
5698         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
5699         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
5700         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
5701         of TARGET_ABICALLS && !TARGET_NEWABI.
5702         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
5703         * config/mips/mips.c (mips_load_call_address): Check
5704         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
5705         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
5706         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
5707         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
5708         TARGET_ABICALLS && TARGET_NEWABI.
5709         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
5710         TARGET_ABICALLS.
5711         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
5712         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
5713         TARGET_ABICALLS && TARGET_NEWABI.
5714         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
5715         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
5716         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
5717         whether indirect calls must use $25.
5718         (mips_extra_live_on_entry): Check TARGET_GOT instead of
5719         TARGET_ABICALLS.
5720         * config/mips/mips.md (jal_macro): Check flag_pic and
5721         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
5722         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
5723         instead of TARGET_ABICALLS.
5724         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
5725         TARGET_ABICALLS && TARGET_OLDABI.
5726         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
5727         (sibcall): In the comment above the define_insn, mention
5728         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
5729         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
5730         instead of TARGET_ABICALLS.
5732 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5734         * doc/md.texi (Blackfin family constraints): Document PA and PB.
5735         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
5736         (MACFLAGS_MATCH_P): New macro.
5737         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
5738         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
5739         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
5740         the other MACFLAG constants.
5741         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
5742         (flag_machi): Tighten constraints.  Renumber some of the operands.
5743         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
5744         output template.
5745         (flag_machi_parts_acconly): New pattern.
5746         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
5747         used.
5748         (flag_macinit1hi): Tighten constraints.
5749         (flag_mul_macv2hi_parts_acconly): New pattern.
5751         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
5752         Use a more efficient implementation.
5753         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
5754         inline sequences when not optimizing for size.
5756         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
5757         movhi_high2low): Delete, merge functionality into...
5758         (packv2hi): ... this pattern.
5760         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
5761         * config/bfin/bfin.opt (msim): New option.
5762         (mcpu=): New option.
5763         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
5764         (bfin_cpu_t): Typedef of enum bfin_cpu.
5765         (bfin_cpu_type): New declaration.
5766         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
5767         -msim and -mcpu= options.
5768         (LIB_SPEC): Likewise.
5769         * config/bfin/bfin.c (bfin_cpu_type): Define.
5770         (bfin_handle_option): Handle -mcpu= option.
5771         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
5772         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
5773         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
5775 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5777         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
5778         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
5779         (powerpc-wrs-vxworksae): Use ${tm_file}.
5780         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
5781         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
5782         * config/i386/vx-common.h: New file.
5784 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
5786         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
5787         of crt0.o%s.
5789 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5791         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
5792         ldxtr.
5794 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
5796         PR c++/31078
5797         PR c++/31103
5798         * c-common.c (c_build_qualified_type): Set canonical type
5799         appropriately.
5801 2007-04-12  Richard Guenther  <rguenther@suse.de>
5803         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
5804         lower bound and element size if lower bound is not zero
5805         or either of the ARRAY_REF operands is set.
5807 2007-04-12  Richard Guenther  <rguenther@suse.de>
5809         PR tree-optimization/24689
5810         PR tree-optimization/31307
5811         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
5812         indices by value.
5813         * gimplify.c (canonicalize_addr_expr): To be consistent with
5814         gimplify_compound_lval only set operands two and three of
5815         ARRAY_REFs if they are not gimple_min_invariant.  This makes
5816         it never at this place.
5817         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
5819 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5821         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
5822         null before emitting a .nsubspa directive.
5824 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
5826         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
5827         need_to_partition_p if there are no memory statements in the
5828         function.
5830 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
5832         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
5833         (gcd_of_steps_may_divide_p): New function.
5834         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
5836 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5838         * reload.c (find_reloads_toplev, find_reloads_address,
5839         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
5840         not a pointer equality test, to decide if we need to call
5841         push_reg_equiv_alt_mem.
5843 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
5845         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
5846         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
5847         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
5849 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
5851         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
5852         vector to be positive.
5854 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
5856         PR 30735
5857         PR 31090
5858         * doc/invoke.texi: Document --params max-aliased-vops and
5859         avg-aliased-vops.
5860         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
5861         debug_memory_partitions): Move to tree-flow.h
5862         * params.h (AVG_ALIASED_VOPS): Define.
5863         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
5864         users.
5865         (mp_info_t): Likewise.
5866         (get_mem_sym_stats_for): New.
5867         (set_memory_partition): Move from tree-flow-inline.h.
5868         (mark_non_addressable): Only clear the set of symbols for the
5869         partition if it exists.
5870         (dump_memory_partitions): Move from tree-ssa-operands.c
5871         (debug_memory_partitions): Likewise.
5872         (need_to_partition_p): New.
5873         (dump_mem_ref_stats): New.
5874         (debug_mem_ref_stats): New.
5875         (dump_mem_sym_stats): New.
5876         (debug_mem_sym_stats): New.
5877         (update_mem_sym_stats_from_stmt): New.
5878         (compare_mp_info_entries): New.
5879         (mp_info_cmp): Call it.
5880         (sort_mp_info): Change argument to a list of mem_sym_stats_t
5881         objects.
5882         (get_mpt_for): Move from tree-ssa-operands.c.
5883         (find_partition_for): New.
5884         (create_partition_for): Remove.
5885         (estimate_vop_reduction): New.
5886         (update_reference_counts): New.
5887         (build_mp_info): New.
5888         (compute_memory_partitions): Refactor.
5889         Document new heuristic.
5890         Call build_mp_info, update_reference_counts,
5891         find_partition_for and estimate_vop_reduction.
5892         (compute_may_aliases): Populate virtual operands before
5893         calling debugging dumps.
5894         (delete_mem_sym_stats): New.
5895         (delete_mem_ref_stats): New.
5896         (init_mem_ref_stats): New.
5897         (init_alias_info): Call it.
5898         (maybe_create_global_var): Remove alias_info argument.
5899         Get number of call sites and number of pure/const call sites
5900         from gimple_mem_ref_stats().
5901         (dump_alias_info): Call dump_memory_partitions first.
5902         (dump_points_to_info_for): Show how many times a pointer has
5903         been dereferenced.
5904         * opts.c (decode_options): For -O2 set --param
5905         max-aliased-vops to 500.
5906         For -O3 set --param max-aliased-vops to 1000 and --param
5907         avg-aliased-vops to 3.
5908         * fortran/options.c (gfc_init_options): Remove assignment to
5909         MAX_ALIASED_VOPS.
5910         * tree-flow-inline.h (gimple_mem_ref_stats): New.
5911         * tree-dfa.c (dump_variable): Dump memory reference
5912         statistics.
5913         Dump NO_ALIAS* settings.
5914         (referenced_var_lookup): Tidy.
5915         (mem_sym_stats): New.
5916         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
5917         and ORIG are different SSA names for a memory partition.
5918         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
5919         * tree-flow.h (struct mem_sym_stats_d): Define.
5920         (mem_sym_stats_t): Define.
5921         (struct mem_ref_stats_d): Define.
5922         (struct gimple_df): Add field mem_ref_stats.
5923         (enum noalias_state): Define.
5924         (struct var_ann_d): Add bitfield noalias_state.
5925         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
5926         debug_mem_ref_stats, debug_memory_partitions,
5927         debug_mem_sym_stats): Declare.
5928         * tree-ssa-structalias.c (update_alias_info): Update call
5929         sites, pure/const call sites and asm sites in structure
5930         returned by gimple_mem_ref_stats.
5931         Remove local variable IS_POTENTIAL_DEREF.
5932         Increase NUM_DEREFS if the memory expression is a potential
5933         dereference.
5934         Call update_mem_sym_stats_from_stmt.
5935         If the memory references memory, call
5936         update_mem_sym_stats_from_stmt for all the direct memory
5937         symbol references found.
5938         (intra_create_variable_infos): Set noalias_state field for
5939         pointer arguments according to the value of
5940         flag_argument_noalias.
5941         * tree-ssa-structalias.h (struct alias_info): Remove fields
5942         num_calls_found and num_pure_const_calls_found.
5943         (update_mem_sym_stats_from_stmt): Declare.
5944         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
5945         Set default value to 100.
5946         (PARAM_AVG_ALIASED_VOPS): Define.
5948 2007-04-11  Richard Guenther  <rguenther@suse.de>
5950         PR middle-end/31530
5951         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
5952         a * -b + c as c - a * b if we honor sign dependent rounding.
5954 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5956         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
5957         bfin_expand_strmov.
5958         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
5959         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
5960         variables.
5961         (initialize_trampoline): Don't use old-style function definition.
5962         (bfin_secondary_reload): Mark IN_P argument as unused.
5964 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5966         PR tree-optimization/31343
5967         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
5968         (build_polynomial_chrec): Return a scalar when the evolution is zero.
5969         * testsuite/gcc.dg/vect/pr31343.c: New.
5971 2007-04-10  Eric Christopher  <echristo@apple.com>
5973         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
5974         * config/i386/i386.md (*cmpfp0): Use.
5975         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
5976         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
5977         (fix_trunc<mode>_i386_fisttp): Ditto.
5978         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
5979         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
5980         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
5981         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
5982         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
5983         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
5984         (unnamed_splitters): Ditto.
5985         * config/i386/i386.c (output_fix_trunc): Assert that
5986         we're not being passed a TFmode operand.
5988 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
5990         PR tree-optimization/31526
5991         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
5992         n_basic_blocks to find newly added blocks.
5994 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
5996         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
5997         alternative.
5998         (fix_trunc<mode>si_sse): Ditto.
5999         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
6000         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
6001         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
6002         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
6003         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
6004         expander using SSEMODEF mode macro.
6005         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
6006         expander using SSEMODEF mode macro.
6007         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
6008         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
6009         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
6010         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
6011         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
6012         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
6013         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
6014         Macroize insn using X87MODEF mode macro.
6016 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6018         * config/i386/sse.md (sse2_pinsrw): Removed.
6019         (sse2_pextrw): Renamed to ...
6020         (*sse2_pextrw): This.
6022 2007-04-09  Jan Hubicka  <jh@suse.cz>
6024         PR target/27869
6025         * config/i386/sse.md
6026         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
6027         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
6028         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
6029         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
6031 2007-04-09  Jan Hubicka  <jh@suse.cz>
6033         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
6034         multiple fields of union.
6036 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
6038         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
6039         (create_preheaders): Check that loops are available.
6040         (fix_loop_structure): Clean up, improve comments.
6041         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
6042         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
6043         state flags.
6044         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
6045         * predict.c (tree_estimate_probability): Do not call
6046         calculate_dominance_info.  Call create_preheaders.
6047         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
6048         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
6049         flags.
6050         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
6051         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
6052         * tree-cfg.c (tree_split_edge): Make an assert more precise.
6053         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
6054         arguments.
6056 2007-04-08  Jan Hubicka  <jh@suse.cz>
6058         * tree.h (maybe_fold_offset_to_component_ref): Declare.
6059         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
6060         * fold-const.c (fold_unary): Use it.
6062 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6064         * varasm.c (assemble_variable): Remove call to
6065         lang_hooks.decls.prepare_assemble_variable.
6066         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
6067         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
6068         * langhooks.h (lang_hooks_for_decls): Remove
6069         prepare_assemble_variable.
6071 2007-04-08  Mike Stump  <mrs@apple.com>
6073         * config/i386/i386.c: Use inc/dec on Core2.
6075 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
6077         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
6078         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
6079         lhd_tree_inlining_end_inlining): Remove.
6080         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
6081         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
6082         end_inlining hooks.
6083         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
6084         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
6085         lhd_tree_inlining_end_inlining): Remove prototypes.
6086         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
6087         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
6088         LANG_HOOKS_TREE_INLINING_START_INLINING,
6089         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
6091         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
6092         not set it.
6094 2007-04-08  Anatoly Sokolov <aesok@post.ru>
6096         PR target/29932
6097         * config/avr/predicates.md (io_address_operand): Delete predicate.
6098         (low_io_address_operand): Don't use 'mode' argument.
6099         (higth_io_address_operand): Rename ...
6100         (high_io_address_operand): ... to this. Don't use 'mode' argument.
6101         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
6102         for above change.
6104 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
6106         Revert change removing staticp.
6108 2007-04-07  Anatoly Sokolov <aesok@post.ru>
6110         PR target/30289
6111         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
6112         earlyclobber.
6114 2007-04-07  Bruce Korb  <bkorb@gnu.org>
6116         * c.opt: Add -Wformat-contains-nul.
6117         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
6118           -Wformat setting.
6119         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
6120         the NUL byte warning.
6122 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6124         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
6126 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
6128         * tree.c (staticp): No longer use staticp langhook.
6129         * langhooks.c (lhd_staticp): Removed.
6130         * langhooks.h (struct lang_hooks): Remove staticp.
6131         * c-common.c (c_staticp): Remove.
6132         * c-common.h (c_staticp): Ditto.
6133         * langhooks-defs.h (lhd_staticp): Ditto.
6134         (LHD_HOOKS_STATICP): Ditto
6135         * tree.h (gcc_assert_lowered): New macro.
6137 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
6139         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
6140         argument "reliable".
6141         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
6142         Add argument "reliable".  Propagate it through calls.
6143         (infer_loop_bounds_from_undefined):  Derive number of iterations
6144         estimates from references in blocks that do not dominate loop latch.
6145         (gcov_type_to_double_int): New function.
6146         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
6147         and expected_loop_iterations_unbounded.
6148         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
6149         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
6150         * tree-data-ref.c (estimated_loop_iterations): Export.
6151         (get_references_in_stmt): Fix -- do not return addresses of local
6152         objects.
6153         * cfgloop.h (expected_loop_iterations_unbounded,
6154         estimated_loop_iterations): Declare.
6156 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
6158         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6160 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
6162         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
6163         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
6164         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
6165         Use output_387_reg_move().
6166         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
6167         expander using X87MODEF12 mode macro.
6168         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
6169         choosing register preferences.  Use output_387_reg_move().
6170         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
6171         instead of "x".  Use output_387_reg_move().
6172         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
6173         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
6174         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
6175         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
6176         Use output_387_reg_move().
6177         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
6178         mode macro.
6179         (*truncxf?f_i387 splitter): Ditto.
6181 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
6183         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
6184         LANG_HOOKS_SAFE_FROM_P.
6185         * expr.c (safe_from_p): Remove langhook call.
6186         * langhooks.h (lang_hooks): Remove safe_from_p.
6187         (lhd_safe_from_p): Remove prototype.
6188         * langhooks.c (lhd_safe_from_p): Remove.
6190 2007-04-06  Jan Hubicka  <jh@suse.cz>
6192         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
6193         functions.
6195 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
6197         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
6198         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
6199         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
6200         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
6201         alternative.
6202         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
6203         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
6205 2007-04-05  Richard Henderson  <rth@redhat.com>
6207         * config/alpha/alpha.c (print_operand) [+]: Remove.
6208         (alpha_end_function): Print nop if call at end of function.
6209         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
6210         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
6211         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
6212         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
6213         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
6214         the call pattern. Update peepholes to match.
6216 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
6218         * doc/extend.texi (Other Builtins): Add decimal float variants
6219         of signbit.
6220         * builtins.def: Ditto.
6221         * builtins.c (expand_builtin): Ditto.
6223 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
6224             H.J. Lu  <hongjiu.lu@intel.com>
6226         PR target/31478
6227         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
6228         of V8HImode when calling ix86_binary_operator_ok.
6229         (sse2_pmaddwd): Call ix86_binary_operator_ok.
6230         (sdot_prodv8hi): Operands 1 and 2 must be register.
6232 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
6234         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6235         initialize align to silence bogus warning.
6237 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
6239         PR middle-end/22156
6240         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
6241         all_no_warning.
6242         (struct sra_walk_fns): Remove use_all parameter from use.
6243         (sra_hash_tree): Handle BIT_FIELD_REFs.
6244         (sra_elt_hash): Don't hash bitfld blocks.
6245         (sra_elt_eq): Skip them in parent compares as well.  Handle
6246         BIT_FIELD_REFs.
6247         (sra_walk_expr): Don't maintain or pass down use_all_p.
6248         (scan_use): Remove use_all parameter.
6249         (scalarize_use): Likewise.  Re-expand assignment to
6250         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
6251         output, and re-scalarize after output.  Don't mark anything
6252         for no warning.
6253         (scalarize_ldst): Adjust.
6254         (scalarize_walk_gimple_modify_statement): Likewise.
6255         (build_element_name_1): Handle BIT_FIELD_REFs.
6256         (instantiate_element): Don't warn for any element whose parent
6257         is used as a whole.
6258         (instantiate_missing_elements_1): Return the sra_elt.
6259         (canon_type_for_field): New.
6260         (try_instantiate_multiple_fields): New.
6261         (instantiate_missing_elemnts): Use them.
6262         (mark_no_warning): Removed.
6263         (generate_one_element_ref): Handle BIT_FIELD_REFs.
6264         (REPLDUP, sra_build_elt_assignment): New.
6265         (generate_copy_inout): Use them.
6266         (generate_element_copy): Likewise.  Handle bitfld differences.
6267         (generate_element_zero): Don't recurse for blocks.  Use
6268         sra_build_elt_assignment.
6269         (generate_one_element_int): Take elt instead of var.  Use
6270         sra_build_elt_assignment.
6271         (generate_element_init_1): Adjust.
6272         (scalarize_use, scalarize_copy): Use REPLDUP.
6273         (scalarize_ldst): Move assert before dereference.
6274         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6276 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
6278         * regmove.c: Fix unused variable warnings due to previous commit.
6280 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
6282         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
6283         (regmove_bb_head): Remove.
6284         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
6285         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
6286         problems with fixup_match_1.
6287         Don't initialize/free regmove_bb_head.
6289         (reg_is_remote_constant_p): If an insn is in the same basic block
6290         but not before INSN, consider it remote, too.
6292 2007-04-05  Anatoly Sokolov <aesok@post.ru>
6294         PR target/25448
6295         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
6296         DECL_ASSEMBLER_NAME, not the DECL_NAME.
6298 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
6300         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
6301         (CONDITIONAL_REGISTER_USAGE): Likewise.
6303 2007-04-04  Richard Henderson  <rth@redhat.com>
6305         * config/alpha/lib1funcs.asm: Remove unused file.
6307 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
6309         PR other/31356
6310         * opts.c (print_specific_help): Fix --help=<language>
6311         header line.
6312         (common_handle_option): Support --help=common.
6314 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
6316         PR other/31353
6317         * gcc.c (main): Do not run the linker if
6318         print_subprocess_help indicates that it shouldn't be
6319         run.
6321 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
6323         PR doc/31355
6324         * doc/invoke.texi (--help=): Document <languages> value, fix
6325         formatting in tables of values.
6327 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
6329         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
6330         dllimport attribute of virtual methods.
6332 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
6334         * config/score/crti.asm: Change _bss_start to __bss_start.
6335         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
6336         (OUTGOING_REG_PARM_STACK_SPACE) update.
6337         * config/score/score.opt: add options to make backend support
6338         score5, score5u, score7 and score7d.
6339         * config/score/score.md: Likewise.
6340         * config/score/misc.md: Likewise.
6341         * config/score/mac.md: Likewise.
6342         * doc/invoke.texi: Likewise.
6343         * doc/md.texi: update constraints define.
6345 2007-04-03  Richard Henderson  <rth@redhat.com>
6347         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
6348         an appropriate type, use the mode instead.
6350 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
6352         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
6353         Set the default --with-arch setting to mips2.
6354         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
6355         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
6356         (MULTILIB_OSDIRNAMES): Delete.
6357         (MULTILIB_DIRNAMES): Define.
6358         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
6359         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
6360         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
6361         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
6362         VXWORKS_OS_CPP_BUILTINS.
6363         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
6364         (MIPS_DEBUGGING_INFO): Undefine.
6365         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
6367 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
6369         PR middle-end/30704
6370         * fold-const.c (native_encode_real): Encode real.c provided longs
6371         as a series of 32-bit native integers.
6372         (native_interpret_real): Interpret buffer as a series of 32-bit
6373         native integers.
6375 2007-04-03  Richard Guenther  <rguenther@suse.de>
6377         * genpreds.c (write_insn_constraint_len): Write function
6378         optimized for CONSTRAINT_LEN implementation.
6379         (write_tm_preds_h): Output insn_constraint_len inline and
6380         use it for CONSTRAINT_LEN.
6381         (write_insn_preds_c): Don't output insn_constraint_len.
6382         * doc/md.texi (define_register_constraint): Document multi-letter
6383         constraints shall have the same length if they start with the same
6384         letter.
6386 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
6388         PR target/31175
6389         * config/i386/i386.md (isinf<mode>2): Expand only when
6390         TARGET_C99_FUNCTIONS is set.
6392 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
6394         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
6395         (x86_64-*-linux*): Ditto.
6396         * config/i386/i386.opt (mpc): New option.
6397         * config/i386/i386.c (overrride_options): Handle
6398         ix87_precision_string.
6399         * config/i386/crtprec.c: New file.
6400         * config/i386/t-crtpc: Ditto.
6401         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
6402         and -mpc80 options.
6403         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
6404         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6405         crtprec32.o, crtprec64.o and crtprec80.o.
6407         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
6408         and -mpc80 options.
6409         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
6411 2007-04-02  Eric Christopher  <echristo@apple.com>
6413         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
6414         limitations on darwin.
6416 2007-04-02  Anatoly Sokolov <aesok@post.ru>
6418         PR target/31137
6419         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
6421 2007-04-02  Dave Korn  <dave.korn@artimi.com>
6423         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
6425 2007-04-02  Dave Korn  <dave.korn@artimi.com>
6427         * libgcc2.h (exception_descriptor): Don't forward-declare.
6428         (__get_eh_table_language, __get_eh_table_version): Delete
6429         prototypes of long-dead functions.
6431 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
6433         * ebitmap.h: New file
6434         * ebitmap.c: New file
6435         * Makefile.in (ebitmap.o): New target.
6437 2007-04-01  Jan Hubicka  <jh@suse.cz>
6439         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
6440         before very first instruction.
6442 2007-04-01  Jan Hubicka  <jh@suse.cz>
6444         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
6445         waring on 64bit hosts.
6446         * bitmap.h: Fix typo in bitmap_head_def.
6448 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6450         PR rtl-optimization/31391
6451         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
6452         into a DELETED_LABEL note, and the label is in an empty basic
6453         block, update BB_END as well as BB_HEAD.
6455 2007-04-01  Richard Henderson  <rth@redhat.com>
6457         PR tree-optimization/31169
6458         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
6459         to varying if the range is outside [0,  prec-1].
6461 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
6463         PR target/31388
6464         * config/mips/mips.md (load_const_gp): New insn.
6465         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
6466         the MIPS16 GP pseudo register if no_new_pseudos.
6467         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
6469 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6471         PR target/31364
6472         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
6473         secureplt.
6474         (call_value): Likewise.
6476 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
6477             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6479         PR 14737
6480         * doc/invoke.texi: (optimization options): Reword description
6481         of -ffast-math. Document its primary purpose.
6483 2007-03-31  Richard Guenther  <rguenther@suse.de>
6485         * omp-low.c (splay-tree.h): Include.
6486         (lookup_decl): Replace splay-tree usage by pointer-map.
6487         (maybe_lookup_decl): Likewise.
6488         (new_omp_context): Likewise.
6489         (delete_omp_context): Likewise.
6490         * gimplify.c (splay-tree.h): Include.
6491         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
6492         pointer-map.
6493         (remap_ssa_name): Likewise.
6494         (remap_decl): Likewise.
6495         (remap_type_1): Likewise.
6496         (remap_type): Likewise.
6497         (copy_body_r): Likewise.
6498         (expand_call_inline): Likewise.
6499         (clone_body): Likewise.
6500         (copy_tree_r): Likewise.
6501         (remap_save_expr): Likewise.
6502         (unsave_r): Likewise.
6503         (unsave_expr_now): Likewise.
6504         (tree_function_versioning): Likewise.
6505         (build_duplicate_type): Likewise.
6506         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
6507         (struct copy_body_data): Replace splay-tree by pointer-map.
6508         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
6509         not $(SPLAY_TREE_H).
6510         (gimplify.o): Depend on $(SPLAY_TREE_H).
6511         (omp-low.p): Likewise.
6513 2007-03-31  Anatoly Sokolov <aesok@post.ru>
6515         * config/avr/predicates.md (even_register_operand,
6516         odd_register_operand): New predicates.
6517         * config/avr/avr.md (movw peephole2): New.
6518         (movw_r peephole2): New.
6520 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
6522         * tree.h (get_signed_or_unsigned_type): New.
6523         * fold-const.c (operand_equal_for_comparison_p): Use
6524         get_signed_or_unsigned_type instead of
6525         lang_hooks.types.signed_or_unsigned_type.
6526         * expr.c (store_expr): Ditto.
6527         * langhooks.c (get_signed_or_unsigned_type): New.
6528         (lhd_signed_or_unsigned_type): New.
6529         * langhooks.h (lhd_signed_or_unsigned_type): New.
6530         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
6532 2007-03-30  Richard Henderson  <rth@redhat.com>
6534         * tree-ssa-loop-ivopts.c: Include target.h.
6535         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
6536         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
6537         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
6538         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
6540 2007-03-30  Richard Henderson  <rth@redhat.com>
6541             Kai Tietz  <kai.tietz@onevision.com>
6543         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
6544         default for 64-bit.
6545         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
6546         (TARGET_64BIT_MS_ABI): New.
6547         (DBX_REGISTER_NUMBER): Handle 64-bit.
6548         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
6549         (LONG_TYPE_SIZE): Force to 32.
6550         (REG_PARM_STACK_SPACE): New.
6551         (OUTGOING_REG_PARM_STACK_SPACE): New.
6552         (REGPARM_MAX, SSE_REGPARM_MAX): New.
6553         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
6554         (STACK_BOUNDARY): Use 128 for 64-bit.
6555         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
6556         Add 64-bit implementation.
6557         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
6558         argument unused.
6559         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
6560         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
6561         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
6562         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
6563         (ix86_handle_cconv_attribute): Don't warn when ignoring if
6564         TARGET_64BIT_MS_ABI.
6565         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
6566         (ix86_pass_by_reference): Likewise.
6567         (ix86_function_value_regno_p): Likewise.
6568         (ix86_build_builtin_va_list): Likewise.
6569         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
6570         (function_arg_advance_ms_64): New.
6571         (function_arg_advance): Call it.
6572         (function_arg_ms_64): New.
6573         (function_arg): Call it.
6574         (function_value_ms_64): New.
6575         (ix86_function_value_1): Call it.
6576         (return_in_memory_ms_64): New.
6577         (ix86_return_in_memory): Call it.
6578         (setup_incoming_varargs_ms_64): New.
6579         (ix86_setup_incoming_varargs): Call it.
6580         (ix86_expand_prologue): Handle 64-bit stack probing.
6581         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
6582         (output_pic_addr_const): Likewise.
6583         (x86_this_parameter): Likewise.
6584         (x86_output_mi_thunk): Likewise.
6585         (x86_function_profiler): Likewise.
6586         (TARGET_STRICT_ARGUMENT_NAMING): New.
6587         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
6588         (TARGET_64BIT_MS_ABI): New.
6589         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
6590         * config/i386/i386.md (allocate_stack_worker): Remove.
6591         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
6592         describe the clobber of eax without a match_scratch.
6593         (allocate_stack_worker_postreload): Remove.
6594         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
6595         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
6596         (allocate_stack_worker_rex64_postreload): Remove.
6597         (allocate_stack): Handle 64-bit.
6598         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
6599         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
6600         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
6601         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
6602         (STANDARD_STARTFILE_PREFIX_1): Likewise.
6603         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
6604         * config.build (x86_64-*-mingw*): New host.
6605         * config.host (x86_64-*-mingw*): New host.
6606         * config.gcc (x86_64-*-mingw*): New target.
6607         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
6609 2007-03-30  Richard Henderson  <rth@redhat.com>
6610             Kai Tietz  <kai.tietz@onevision.com>
6612         * c-pragma.c (struct def_pragma_macro_value): New.
6613         (struct def_pragma_macro): New.
6614         (pushed_macro_table): New.
6615         (dpm_hash, dpm_eq): New.
6616         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
6617         (init_pragma): Install them.
6618         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
6620 2007-03-30  Anatoly Sokolov <aesok@post.ru>
6622         * config/avr/avr.c (avr_override_options): Clear
6623         'flag_delete_null_pointer_checks'.
6625 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
6627         PR c++/26099
6628         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
6629         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
6630         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
6631         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
6632         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
6633         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
6634         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
6635         C++ extensions.
6636         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
6638 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
6640         * regmove.c: Move all of pass_stack_adjustments from here...
6641         * combine-stack-adj.c: ...to this new file.
6642         * Makefile.in: Add rules for combine-stack-adj.o.
6644 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
6646         PR tree-optimization/31383
6647         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
6648         to have the same length.
6650 2007-03-30  Jan Hubicka  <jh@suse.cz>
6652         PR middle-end/30700
6653         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
6654         availablility; add more sanity checking; ask varpool only about
6655         VAR_DECL.
6657 2007-03-29  Richard Henderson  <rth@redhat.com>
6659         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
6660         to decide, but __SIZEOF_LONG_LONG__.
6662 2007-03-29  Richard Henderson  <rth@redhat.com>
6664         * emutls.c (struct __emutls_array): New.
6665         (emutls_destroy): Use it instead of casting element 0 from void*.
6666         (__emutls_get_address): Likewise.
6668 2007-03-29  Richard Henderson  <rth@redhat.com>
6670         * varasm.c (initializer_constant_valid_p): Don't deny
6671         DECL_DLLIMPORT_P on functions.
6673         * config/i386/cygming.h: Remove function declarations.
6674         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
6675         (ASM_OUTPUT_LABELREF): Remove.
6676         (COMMON_ASM_OP): Remove.
6677         (ASM_OUTPUT_COMMON): Remove.
6678         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
6679         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
6680         (ASM_DECLARE_FUNCTION_NAME): Likewise.
6681         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
6682         Rename from TARGET_ENCODE_SECTION_INFO.
6683         * config/i386/netware.h: Likewise.
6684         * config/i386/i386-protos.h: Update.
6685         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
6686         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
6687         (legitimate_constant_p): Reject dllimports.
6688         (dllimport_map, get_dllimport_decl): New.
6689         (legitimize_dllimport_symbol): New.
6690         (legitimize_address, ix86_expand_move): Use it.
6691         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
6692         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
6693         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
6694         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
6695         * config/i386/predicates.md (constant_call_address_operand): Only
6696         accept symbols; reject dllimport_p symbols.
6697         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
6698         i386_pe_maybe_record_exported_symbol.
6699         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
6700         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
6701         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
6702         trust the setting of DECL_DLLIMPORT_P.
6703         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
6704         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
6705         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
6706         tidy the argument scanning loop.
6707         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
6708         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
6709         (i386_pe_strip_name_encoding): Remove.
6710         (i386_pe_binds_local_p): New.
6711         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
6712         (i386_pe_output_labelref): Remove.
6713         (i386_pe_asm_output_aligned_decl_common): New.
6714         (i386_pe_maybe_record_exported_symbol): Rename from
6715         i386_pe_record_exported_symbol; check for dllexported symbols.
6717 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
6719         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
6720         add comment explaining why vsnprintf cannot be used.
6722 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
6724         PR tree-optimization/30666
6725         * tree.c (build_complex_type): When creating type names for DWARF2
6726         debug info, create TYPE_DECLs for TYPE_NAME instead of
6727         IDENTIFIER_NODEs.
6728         (build_common_tree_nodes_2): Use build_complex_type when building
6729         predefined complex types, to preserve canonical types.
6731 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6733         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
6734         (noce_get_alt_condition): Look at it to determine whether to
6735         reverse the condition or not.
6736         (noce_get_condition): Substitute the truth for lies.
6737         (noce_find_if_block): Set the then_else_reversed field.
6739 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
6741         * config/fr30/fr30.md (movdi): Do not accept immediates as the
6742         destination of this insn.
6743         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
6744         than calling gen_rtx_SET directly.  Use r0 to hold the value of
6745         'address + 4' rather than a stack based temporary which can be
6746         mis-optimized away.
6748 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
6750         * config/s390/s390.c (s390_secondary_input_reload_class,
6751         s390_secondary_output_reload_class): Functions removed.
6752         (s390_secondary_reload): New function.
6753         (TARGET_SECONDARY_RELOAD): Target macro defined.
6754         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
6755         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
6756         * config/s390/s390.md ("reload_outti", "reload_outdi",
6757         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
6758         "reload_out<mode>"): Expanders removed.
6759         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
6760         "reload<mode>_nonoffmem_out"): Expanders added.
6762 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
6764         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
6765         SRC->DEST replacement failed anyway.
6767 2007-03-28  Mike Stump  <mrs@apple.com>
6769         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
6770         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
6771         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
6773 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6775         * config.gcc: Accept barcelona as a variant of amdfam10.
6776         * config/i386/i386.c (override_options): Likewise.
6777         * doc/invoke.texi: Likewise.
6779 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
6781         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
6782         offsets for BIT_FIELD_REF and COMPONENT_REF.
6784 2007-03-28  Richard Guenther  <rguenther@suse.de>
6786         * tree.c (is_global_var): Move ...
6787         * tree-flow-inline.h (is_global_var): ... here.
6788         * tree.h (is_global_var): Remove declaration.
6790 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
6792         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
6793         option.
6794         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
6795         * config/i386/i386.c (ix86_tune_features): Initialize new
6796         tuning option.
6797         * config/i386/predicates.md (promotable_binary_operator): Use
6798         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
6800 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6802         PR target/31380
6803         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
6805 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
6807         * config/fr30/fr30.md (movsi_internal): Change destination
6808         constraint from m to V and add m to the end.
6810 2007-03-28  Christian Bruel  <christian.bruel@st.com>
6812         * config/sh/sh.md (movsi_i): Fix type attribute.
6814 2007-03-28  Christian Bruel  <christian.bruel@st.com>
6816         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
6817         (movsf_ie): Likewise.
6819 2007-03-28  Christian Bruel  <christian.bruel@st.com>
6821         * config.gcc: Add sh4-300 to multilib.
6822         * config/sh/t-mlib-sh4-300: New file.
6824 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6826         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
6827         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
6828         fix_trunc<mode>di2.
6829         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
6830         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
6831         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
6832         "fixuns_trunctddi2"): Whitespace fix.
6834 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6836         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
6837         the definition of struct sh_args.
6838         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
6839         CALL_COOKIE_INT_REG_GET): Likewise.
6841 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
6843         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
6844         transformations are applied successfully.
6846 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
6848         * tree.c (tree_contains_struct): Permit 512 tree codes.
6849         * tree.h (tree_contains_struct): Ditto.
6850         (MAX_TREE_CODES): Ditto.
6851         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
6852         SPARE member to store remaining padding bits.
6854 2007-03-27  Anatoly Sokolov <aesok@post.ru>
6856         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
6857         architecture.
6859 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
6861         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
6862         * configure: Regenerate.
6864         * configure: Regenerate using the correct version of autoconf.
6866 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
6868         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
6869         pointer regs.
6870         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
6871         regs to "__SP_L__" and "__SP_H__".
6873 2007-03-27  Richard Guenther  <rguenther@suse.de>
6875         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
6876         computations with it with a HOST_WIDE_INT variable.
6878 2007-03-26  Mike Stump  <mrs@apple.com>
6880         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
6881         objective-c-header, objective-c++-header and objc++-cpp-output
6882         support.
6883         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
6885 2007-03-26  Richard Henderson  <rth@redhat.com>
6887         PR target/31361
6888         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
6889         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
6890         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
6891         IX86_BUILTIN_PSRLQ128): New.
6892         (ix86_init_mmx_sse_builtins): Add them.
6893         (ix86_expand_builtin): Expand them.
6894         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
6895         operand 2 be TImode.
6896         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
6897         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
6898         _mm_srli_epi64): Mark __B const.
6899         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
6900         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
6901         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
6902         new two-vector shift builtins.
6904 2007-03-26  Ian Lance Taylor  <iant@google.com>
6906         PR tree-optimization/31345
6907         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
6908         [+INF, +INF(OVF)] into VARYING.
6910 2007-03-26  Zack Weinberg  <zackw@panix.com>
6912         * gengtype-parse.c: New file.
6913         * gengtype-yacc.y: Delete.
6914         * gengtype-lex.l: Don't include gengtype-yacc.h.
6915         Define YY_DECL and yyterminate appropriately for recursive
6916         descent parser.  yylval is now a string out-parameter to yylex.
6917         (HWS, EOID): New shorthand.
6918         (IWORD): Add a couple more types.
6919         (yylex): Add a setup stanza.  Remove the complex rules for
6920         detecting GTY'ed types and typedefs; replace with simple
6921         keyword detectors.  Adjust everything for the changed
6922         definition of yylval.  Ignore all pp-directives, not just #define.
6923         (yyerror): Delete.
6924         (parse_file): Rename yybegin; do not call yyparse.
6925         (yyend): New.
6926         * gengtype.c (xasprintf): Export again.
6927         (this_file): New.  Use everywhere __FILE__ was being used.
6928         (get_lang_bitmap): Special case types defined in gengtype.c.
6929         (do_typedef, new_structure): Suppress definition of certain types.
6930         (new_structure): Improve diagnostics of duplicate definitions.
6931         Make sure location_s is associated with input.h.
6932         (nreverse_pairs, define_location_structures): New functions.
6933         (main): Improve tagging of kludge types.  Remove old kludges
6934         for input.h types; use define_location_structures.
6935         * gengtype.h: Update prototypes.  Define token codes here.
6936         * Makefile.in: Remove all references to gengtype-yacc.
6937         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
6938         and gengtype.
6939         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
6940         add GTY((skip)) to the field that's only conditionally there.
6941         * doc/install.texi: Document that Bison is no longer required
6942         unless building treelang.
6944         * gengtype.c: Don't include gtyp-gen.h.
6945         (srcdir): Declare here.
6946         (base_files, lang_dir_names): Allocate dynamically.
6947         (gt_files, num_gt_files, num_lang_dirs): New globals.
6948         (measure_input_list, read_input_line, read_input_list)
6949         (set_lang_bitmap): New functions.
6950         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
6951         simplify, relying on read_input_list to set up the bitmaps.
6952         (main): Arguments are no longer unused.  Check for correct number
6953         of command line arguments, set srcdir and srcdir_len, then call
6954         read_input_list, before doing anything else.  No need to worry
6955         about duplicates in main loop.
6956         * configure.ac: Simplify the calculation of all_gtfiles.
6957         Put language tags in there.  Don't set or substitute
6958         all_gtfiles_files_langs or all_gtfiles_files_frags.
6959         * Makefile.in: Revamp the way gengtype is invoked, now that it
6960         takes a file on its command line with a much simpler format.
6961         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
6962         (GTFILES): Remove duplicates and C source files.
6963         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
6964         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
6965         * configure: Regenerate.
6967         * gengtype.h: Remove all type definitions to gengtype.c; leave
6968         only definitions of options_p, type_p, and pair_p as opaque
6969         pointers.  Update prototypes.
6970         * gengtype.c: Many type definitions moved here from gengtype.h.
6971         Consolidate type definitions at the top of the file.
6972         (xvasprintf): Delete.
6973         (xasprintf): Make static.
6974         (create_nested_pointer_option): Add 'next' parameter.
6975         (create_field_all, create_field_at): New functions.
6976         (create_field): Now a thin wrapper around create_field_all.
6977         (create_optional_field): Rename create_optional_field_ and add
6978         line argument.  Original name is now a macro which supplies
6979         __LINE__.
6980         (oprintf): Use vsnprintf directly.
6981         (close_output_files): Use fatal rather than perror/exit.
6982         (note_def_vec, note_def_vec_alloc): Use create_field_at.
6983         (main): Set progname.  Don't use exit.
6984         * gengtype-yacc.y (struct_fields): Use create_field_at.
6985         (option, optionseqopt): Delete.
6986         (optionseq): Consolidate productions from option here so we
6987         can use the first argument to create_option.
6989         * gengtype-lex.l: Distinguish unions from structures in the
6990         token type.  Don't call find_structure; return the tag as a string.
6991         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
6992         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
6993         Reorganize typedef_struct production accordingly.
6994         Use create_nested_ptr_option.
6995         * gengtype.c (create_nested_ptr_option): New function.
6996         * gengtype.h: Declare it.
6998         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
6999         (string_type): Don't declare.
7000         (do_scalar_typedef): Declare.
7001         (create_scalar_type): Update prototype.
7002         * gengtype.c (string_type): Make static.
7003         (scalar_nonchar, scalar_char): New.
7004         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
7005         (resolve_typedef): Use scalar_nonchar for error recovery.
7006         (create_scalar_type): Remove name_len field.  Return scalar_char
7007         or scalar_nonchar as appropriate.
7008         (adjust_field_type): Look at scalar_is_char boolean to decide whether
7009         to use string_type.
7010         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
7011         whenever possible.
7012         (main): Initialize scalar_char and scalar_nonchar before calling
7013         gen_rtx_next.
7014         * gengtype-lex.l: Adjust for removal of second argument to
7015         create_scalar_type.  Use yylval.s instead of yylval.t when
7016         returning SCALAR.
7017         * gengtype-yacc.y: Type of SCALAR is string.  Call
7018         create_scalar_type from type:SCALAR rule.  Adjust for removal of
7019         second argument to create_scalar_type.
7021         * vec.h: Remove all #if IN_GENGTYPE blocks.
7022         Add comment saying that changes may require adjustments to gengtype.
7023         * gengtype.c: Don't include coretypes.h or tm.h.
7024         Add comment to inclusion of errors.h.
7025         (note_def_vec, note_def_vec_alloc): New functions.
7026         * gengtype.h: Declare new functions.
7027         * gengtype-lex.l: Don't include coretypes.h.
7028         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
7029         Delete.
7030         (update_lineno): Remove unnecessary prototype.
7031         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
7032         (VEC rule): Just return VEC_TOKEN.
7033         * gengtype-yacc.y (VEC_TOKEN): New token type.
7034         (type): Add a production for VEC(a,b).
7035         * Makefile.in: Update dependencies.
7037         * gengtype-lex.l: Remove rules for parsing pointer-to-function
7038         typedefs that use the old PARAMS macro.
7040         * gengtype-lex.l: Remove all rules and states relating to yacc
7041         input files.
7042         * gengtype-yacc.y: Similarly.
7043         * gengtype.c (note_yacc_type): Delete function.
7044         * gengtype.h: Update prototypes.
7046 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
7048         * tree-pretty-print.c (dump_generic_node): Report precision of
7049         unnamed integer types.
7051 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
7053         * ifcvt.c (noce_try_store_flag_constants): Don't check
7054         no_new_pseudos here.
7055         (noce_try_store_flag_constants): Don't check no_new_pseudos.
7056         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
7057         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
7058         noce_try_sign_mask): Likewise.
7059         (if_convert): Check no_new_pseudos here.
7061         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
7062         Remove prototypes.
7063         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
7064         (noce_get_condition): Handle new then_else_reversed argument.
7065         (noce_init_if_info): Remove, fold into noce_find_if_block.
7066         (noce_process_if_block): Take a struct noce_if_info as the
7067         argument.  Don't set up one based on ce_if_info.  Update pointer
7068         references accordingly.
7069         (cond_move_process_if_block): Likewise.
7070         (process_if_block): Removed.
7071         (find_if_block): Removed.  Move functionality two new functions,
7072         noce_find_if_block and cond_exec_find_if_block.
7073         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
7074         blocks and the symmetric IF-ELSE-JOIN case.
7075         (cond_exec_find_if_block): Also new function mostly based on old
7076         find_if_block and process_if_block.
7077         (find_if_header): Replace find_if_block call with separately
7078         guarded calls to noce_find_if_block and cond_exec_find_if_block.
7079         (find_cond_trap): Update noce_get_condition call.
7080         (dead_or_predicable): Likewise.
7082 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
7084         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
7085         Remove.
7086         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
7087         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
7088         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
7089         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
7090         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
7091         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
7092         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
7093         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
7094         __builtin_ia32_psrad128 builtins.
7096 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
7098         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
7099         * config/i386/constraints.md
7100         (define_constraint "I"): Use IN_RANGE macro.
7101         (define_constraint "J"): Ditto.
7102         (define_constraint "K"): Ditto.
7103         (define_constraint "M"): Ditto.
7104         (define_constraint "N"): Ditto.
7105         (define_constraint "O"): Ditto.
7106         * config/i386/predicates.md
7107         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
7108         (define_predicate "const_0_to_3_operand"): Ditto.
7109         (define_predicate "const_0_to_7_operand"): Ditto.
7110         (define_predicate "const_0_to_15_operand"): Ditto.
7111         (define_predicate "const_0_to_63_operand"): Ditto.
7112         (define_predicate "const_0_to_255_operand"): Ditto.
7113         (define_predicate "const_1_to_31_operand"): Ditto.
7114         (define_predicate "const_2_to_3_operand"): Ditto.
7115         (define_predicate "const_4_to_7_operand"): Ditto.
7117 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
7119         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
7120         in SImode for save_world.
7121         * config/rs6000/altivec.md (save_world, restore_world): Convert to
7122         LR hard reg.
7124 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
7126         PR tree-optimization/30784
7127         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
7128         BIT_FIELD_REF.
7130 2007-03-25  Revital Eres  <eres@il.ibm.com>
7132         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
7133           Fold movement_possibility function into it.
7135 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
7137         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
7138         (load_macho_picbase_{si,di}): Convert to LR hard reg.
7139         (call_indirect_nonlocal_darwin64): Same.
7140         (call_nonlocal_darwin64): Same.
7141         (call_value_indirect_nonlocal_darwin64): Same.
7142         (call_value_nonlocal_darwin64): Same.
7143         (sibcall_nonlocal_darwin64): Same.
7144         (sibcall_value_nonlocal_darwin64): Same.
7145         (sibcall_symbolic_64): Same.
7146         (sibcall_value_symbolic_64): Same.
7147         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
7148         LR pseudo.
7149         (rs6000_emit_load_toc_table): Same.
7150         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
7151         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
7152         (mull_call): Same.
7153         (divss_call): Same.
7154         (divus_call): Same.
7155         (quoss_call): Same.
7156         (quous_call): Same.
7157         (load_toc_v4_pic_si): Same
7158         (load_toc_v4_PIC_1): Same.
7159         (load_toc_v4_PIC_1b): Same.
7160         (call_indirect_aix{32,64}): Same.
7161         (call_value_indirect_aix{32,64}): Same.
7162         (call): Same.
7163         (call_value): Same.
7164         (call_local{32,64}): Same.
7165         (call_value_local{32,64}): Same.
7166         (call_indirect_nonlocal_aix{32,64}): Same.
7167         (call_nonlocal_aix{32,64}): Same.
7168         (call_value_indirect_nonlocal_aix{32,64}): Same.
7169         (call_value_nonlocal_aix{32,64}): Same.
7170         (call_indirect_nonlocal_sysv<mode>): Same.
7171         (call_nonlocal_sysv<mode>): Same.
7172         (call_value_indirect_nonlocal_sysv<mode>): Same.
7173         (call_value_nonlocal_sysv<mode>): Same.
7174         (sibcall): Same.
7175         (sibcall_local{32,64}): Same.
7176         (sibcall_value_local{32,64}): Same.
7177         (sibcall_nonlocal_aix{32,64}): Same.
7178         (sibcall_value_nonlocal_aix{32,64}): Same.
7179         (sibcall_nonlocal_sysv<mode>): Same.
7180         (sibcall_value): Same.
7181         (sibcall_value_nonlocal_sysv<mode>): Same.
7183 2007-03-24  Paul Brook  <paul@codesourcery.com>
7185         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
7186         * config/arm/linux-eabi.h: Remove legacy syscall hack.
7188 2007-03-24  Richard Henderson  <rth@redhat.com>
7190         * config/ia64/constraints.md: New file.
7191         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
7192         satisfies_constraint_?.
7193         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
7194         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
7195         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
7196         ia64_output_mi_thunk): Likewise.
7197         (ia64_const_ok_for_letter_p): Remove.
7198         (ia64_const_double_ok_for_letter_p): Remove.
7199         (ia64_extra_constraint): Remove.
7200         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
7201         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
7202         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
7203         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
7204         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
7205         EXTRA_MEMORY_CONSTRAINT): Remove.
7206         * config/ia64/ia64.md: Include constriants.md.  Replace
7207         CONST_OK_FOR_? with satisfies_constraint_?.
7209 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
7210             H.J. Lu  <hongjiu.lu@intel.com>
7212         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
7213         DPD or BID name.
7214         (name macros): Use DPD_BID_NAME to convert names properly.
7216         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
7217         decimal floating point format.
7218         (init_floating_libfuncs): Change decimal functions so that they
7219         have a "bid_" prefix if the decimal system uses the BID format,
7220         and "dpd_" prefix if the decimal system uses the DPD format.
7221         (init_interclass_conv_libfuncs): Ditto.
7222         (init_intraclass_conv_libfuncs): Ditto.
7224         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
7225         using the BID format.
7227         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
7228         whether we are using the BID decimal format.
7229         * configure: Regenerate.
7231         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
7232         the compiler has decimal floating point enabled.  Define
7233         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
7234         instead of DPD.
7236         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
7237         using the BID format.
7239         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
7240         whether we are using the BID decimal format.
7241         * configure: Regenerate.
7243         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
7244         the compiler has decimal floating point enabled.  Define
7245         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
7246         instead of DPD.
7248         * doc/install.texi (--enable-decimal-float): Document BID and DPD
7249         options, and that it is enabled for i386/x86_64 systems.
7251         * Makefile.in (enable_decimal_float): New.
7252         (DECNUMFMT): New.
7253         (DECNUMINC): Add  -I$(DECNUMFMT).
7254         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
7255         to $(DECNUMFMT) from $(DECNUM).
7257         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
7258         Substitute enable_decimal_float.
7259         * configure: Regenerated.
7261         PR other/30529
7262         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
7263         unsigned long.
7265         * configure.ac: Enable decimal float for x86_64-*-linux*.
7266         * configure: Regenerated.
7268         PR other/30530
7269         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
7270         decimal128ClearSign to flip and clear the sign bit in decimal128.
7271         (decimal_real_maxval): Set decimal128SetSign to set the sign
7272         bit in decimal128.
7274 2007-03-23  Ian Lance Taylor  <iant@google.com>
7276         * fold-const.c (fold_binary): Correct warning for X - c >= X.
7278 2007-03-23  Ian Lance Taylor  <iant@google.com>
7280         * tree-dump.c (dump_files): Correct comment.
7282 2007-03-23  Ian Lance Taylor  <iant@google.com>
7284         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
7286 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
7288         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
7289         in cfglayout mode.  Don't go into and out of cfglayout mode.
7290         Link the blocks in the order of the constructed traces.
7291         (rest_of_handle_tracer): Adjust call to tracer.
7292         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
7293         Don't go into cfglayout mode.
7294         (rtl_loop_done): Don't go out of cfglayout mode.
7295         * cfglayout.c (relink_block_chain): New function, split out from...
7296         (fixup_reorder_chain): ...here.  Remove redundant checking.
7297         (cfg_layout_finalize): Don't clear the header, footer, and aux
7298         fields here, move the code to do so to relink_block_chain.  Likewise
7299         for free_original_copy_tables.
7300         * rtl.h (tracer): Update prototype.
7301         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
7302         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
7303         mode.  Use relink_block_chain to serialize the CFG according to the
7304         new basic block order.  Move targetm.cannot_modify_jumps_p check from
7305         here...
7306         (gate_handle_reorder_blocks): ...to here.
7307         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
7308         from here...
7309         (gate_duplicate_computed_gotos): ...to here.
7310         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
7311         something always changes when going into and out of cfglayout mode.
7312         Perform an expensive cfg cleanup while going into cfglayout mode.
7313         Always update liveness information on HAVE_conditional_execution
7314         targets.  Reserialize the basic blocks and go out of cfglayout mode.
7315         * reg-stack.c: Include cfglayout.h.
7316         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
7317         the call to reorder_basic_blocks.
7318         * basic-block.h (reorder_basic_blocks): Update prototype.
7319         (relink_block_chain): New prototype.
7320         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
7322 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
7324         * config/mips/mips.md (type, hazard, *movdi_32bit,
7325         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
7326         *movhi_internal, *movqi_internal, *movsf_hardfloat,
7327         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
7328         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
7329         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
7330         applicable.
7331         (movcc): Change first xfer to multi.
7332         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
7333         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
7334         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
7335         config/mips/generic.md: Change reservations using "xfer" to use
7336         "mfc,mtc".
7337         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
7338         using match_operand.
7339         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
7340         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
7341         examining mode.
7342         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
7344 2007-03-22  Richard Henderson  <rth@redhat.com>
7346         * config/i386/i386.c: Remove unnecessary function declarations.
7347         Move targetm definition, and all related macros, to the end of
7348         the file.  Resort some functions to put definitions before uses.
7349         (ix86_attribute_table): Make static.  Move to end of file.
7350         (ix86_gimplify_va_arg): Make static.
7352 2007-03-22  Richard Henderson  <rth@redhat.com>
7354         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
7355         don't increase local_regparm with force_align_arg_pointer check.
7356         (ix86_function_sseregparm): Assert 32-bit.
7357         (type_has_variadic_args_p): New.
7358         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
7359         type_has_variadic_args_p.
7360         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
7361         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
7362         use memset instead.  Do maybe_vaarg check first; skip attribute
7363         tests if true; skip attribute tests for 64-bit.
7364         (construct_container): Remove TARGET_DEBUG_ARG.
7365         (function_arg_advance_32, function_arg_advance_64): Split out ...
7366         (function_arg_advance): ... from here.
7367         (function_arg_32, function_arg_64): Split out ...
7368         (function_arg): ... from here.
7369         (ix86_pass_by_reference): Tidy.
7370         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
7371         (function_value_32): New, from parts of ix86_function_value
7372         and ix86_value_regno.
7373         (function_value_64): New, from parts of ix86_function_value
7374         and ix86_libcall_value.
7375         (ix86_function_value_1): New.
7376         (ix86_function_value, ix86_libcall_value): Use it.
7377         (return_in_memory_32, return_in_memory_64): Split out ...
7378         (ix86_return_in_memory): ... from here.
7379         (ix86_struct_value_rtx): Skip for 64-bit.
7380         (ix86_libcall_value, ix86_value_regno): Remove.
7381         (setup_incoming_varargs_64): Split out ...
7382         (ix86_setup_incoming_varargs): ... from here.
7383         (ix86_va_start): Remove TARGET_DEBUG_ARG.
7384         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
7385         * config/i386/i386-protos.h (ix86_function_value): Remove.
7386         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
7388 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7390         PR other/23572
7391         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
7392         infinities not supported, otherwise emit warning if -Woverflow. On
7393         underflow, emit warning if -Woverflow.
7394         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
7395         and 0 otherwise.
7396         * real.h (real_from_string): Update declaration
7398 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
7399             Richard Henderson  <rth@redhat.com>
7401         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
7402         * calls.c (compute_argument_block_size, expand_call,
7403         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
7404         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
7405         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
7406         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
7407         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
7408         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
7409         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
7410         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
7411         Set to 1.
7413 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
7415         * c-incpath.c (add_sysroot_to_chain): New.
7416         (merge_include_chains): Add sysroot argument.  Call
7417         add_sysroot_to_chain if sysrooted.
7418         (register_include_chains): Update call to merge_include_chains.
7419         * doc/cppopts.texi: Document use of '=' in include directory
7420         arguments.
7422 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
7424         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
7425         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
7426         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
7427         insn pattern using X87MODEF12 mode macro.
7429 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
7431         * regmove.c (regmove_optimize): Use reg_mentioned_p
7432         instead of reg_overlap_mentioned_p for DST.
7434 2007-03-21  Mike Stump  <mrs@apple.com>
7436         * c.opt: Fixup for Objective-C/C++.
7438 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
7440         * explow.c (convert_memory_address): Fold memory reference when
7441         POINTERS_EXTEND_UNSIGNED < 0
7443 2007-03-21  Richard Henderson  <rth@redhat.com>
7445         PR target/31245
7446         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
7447         * config/i386/mmintrin.h (__m64): Likewise.
7448         * config/i386/xmmintrin.h (__m128): Likewise.
7450 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
7452         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
7453         (VXWORKS_OS_CPP_BUILTINS): Define.
7454         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
7455         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
7457 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
7459         * rtl.h (constant_pool_reference_p): Delete.
7460         (find_constant_src): Declare.
7461         * rtlanal.c (find_constant_src): New function.
7462         * simplify-rtx.c (constant_pool_reference_p): Delete.
7463         * config/i386/i386.md: Use find_constant_src instead of
7464         constant_pool_reference_p/avoid_constant_pool_reference pairs.
7466 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
7468         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
7469         * c-cppbuiltin.c (c_cpp_builtins): Define them.
7471 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
7473         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
7474         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
7475         (arm_elf_asm_constructor): Use it.
7476         (arm_elf_asm_destructor): New function.
7478 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
7480         * jump.c (mark_jump_label): Treat SEQUENCE specially.
7482 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
7484         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
7486 2007-03-19  Andrew Haley  <aph@redhat.com>
7488         PR tree-optimization/31264
7489         * tree-vrp.c (register_edge_assert_for_1): Don't look though
7490         VIEW_CONVERT_EXPRs.
7492 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
7494         PR rtl-optimization/30907
7495         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
7496         (fwprop_init): Always call loop_optimizer_initialize.
7497         (fwprop_done): Always call loop_optimizer_finalize.
7498         (fwprop): We always have loop info now.
7499         (gate_fwprop_addr): Remove.
7500         (pass_fwprop_addr): Use gate_fwprop as gate.
7502         PR rtl-optimization/30841
7503         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
7504         df_chain_alloc): Call df_reorganize_refs unconditionally.
7505         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
7506         refs_organized to refs_organized_size.
7507         (df_ref_create_structure): Use refs_organized_size instead of
7508         bitmap_size if refs had been organized, and keep refs_organized_size
7509         up-to-date.
7510         * df.h (struct df_ref_info): Change refs_organized to
7511         refs_organized_size.
7512         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
7513         bitmap_size.
7515 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
7517         * except.c (output_function_exception_table): Do not reference the
7518         EH personality routine for functions that do not require an
7519         exception table.
7521 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
7523         PR c/30762
7524         * c-typeck.c (convert_for_assignment): Call comptypes for
7525         RECORD_TYPE or UNION_TYPE.
7527         PR inline-asm/30505
7528         * reload1.c (reload): Do invalid ASM checking after
7529         cleanup_subreg_operands.
7531 2007-03-19  Jeff Law  <law@redhat.com>
7533         * tree-cfg.c (find_taken_edge): Tighten conditions for
7534         optimizing computed gotos.
7536 2007-03-19  Michael Matz  <matz@suse.de>
7538         * builtins.c (expand_builtin_sync_operation,
7539         expand_builtin_compare_and_swap,
7540         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
7541         correctly.
7543         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
7544         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
7545         for operand 3.
7547 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7549         * doc/tm.texi: Add brackets around the return type of
7550         TARGET_SECONDARY_RELOAD.
7552 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7553         Richard Guenther  <rguenther@suse.de>
7555         PR tree-optimization/31254
7556         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
7557         Use handled_component_p () where appropriate.  Continue
7558         propagating into the rhs if we propagated into an INDIRECT_REF
7559         on the lhs.
7561 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7563         * config/s390/s390.md (op_type attribute): RRR instruction type added.
7564         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
7565         (xde, xdee): Mode attributes adjusted to support DFP modes.
7566         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
7567         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
7568         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
7569         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
7570         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
7571         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
7572         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
7573         numbers.
7574         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
7575         "movsf"): Insn definitions removed.
7576         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
7577         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
7578         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
7579         definitions added.
7580         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
7581         "reload_in<mode>", "reload_out<mode>"): Expander added.
7582         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
7583         Expander removed.
7585 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7587         * config/s390/s390.md: Only non-functional changes.  Renamed
7588         FPR mode macro to BFP all over the file.
7590 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7592         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
7593         (op_type attribute): RRF instruction type added.
7594         (fT0): New mode attribute.
7595         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
7596         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
7597         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
7598         no secondary memory is needed when moving DFmode values between GPRs
7599         and FPRs.
7601 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7603         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
7604         inverted and documentation adjusted.
7605         ("mhard-dfp", "msoft-dfp"): New options.
7606         * config/s390/s390.c (s390_handle_arch_option): New architecture
7607         switch: z9-ec.
7608         (override_options): Sanity checks for the new options added.
7609         * config.gcc: New architecture switch: z9-ec.
7610         * config/s390/s390.h (processor_flags): PF_DFP added.
7611         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
7612         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
7613         when the bit is NOT set so remove it from the defaults.
7615 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7617         * genemit.c (main): Print include statement for dfp.h.
7618         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
7619         is not available.
7621 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
7623         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
7625 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
7627         PR target/31022
7628         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
7629         instead of PATTERN.
7631 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7633         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
7634         attr_length_call, output_call, output_indirect_call): Cleanup
7635         formatting of targetm calls.
7637 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
7639         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
7641 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7643         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
7644         reservation, bypass and anti-bypass descriptions for these instructions.
7645         Update move patterns.
7646         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
7647         TYPE_FPSTORE.
7649 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
7651         * tree-vect-transform.c (get_initial_def_for_induction): Replace
7652         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
7653         (get_initial_def_for_reduction): Likewise.
7655 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
7657         Fix PR tree-optimization/29922
7658         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
7659         (get_representative): Removed.
7660         (value_dies_in_block_x): Update for rvuse removal.
7661         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
7662         (compute_antic_aux): Handle when PHI nodes appear in
7663         non-single-successors.
7664         (dump_bitmap_of_names): Removed.
7665         (compute_antic_safe): Renamed and removed rvuse calculation.
7666         Calculate only antic safe.
7667         (insert_into_preds_of_block): Remove assert.
7668         (execute_pre): Update for renamed functions.
7669         (defer_or_phi_translate_block): New function.
7671 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
7673         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
7674         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
7675         typos.
7676         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
7677         Follow spelling conventions.
7679         * tree-data-ref.h: Remove the prototype for analyze_array.
7681 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
7683         PR tree-optimization/31041
7684         * tree-vect-transform.c (get_initial_def_for_induction): Call
7685         force_gimple_operand.
7687 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
7689         * ipa-type-escape.c (look_for_casts) : Revert code to use
7690         handled_component_p due to ada test a-numaux.adb.
7692 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
7694         * final.c (final_scan_insn): Alter the condition of a
7695         conditional trap if we have nonstandard CC.
7697 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
7699         * configure.ac: Remove excess quoting from asm line 0 test.
7700         * configure: Rebuilt.
7702 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7704         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
7705         * c-common.c (convert_and_check): Move warning logic to...
7706         (warnings_for_convert_and_check): ...here. Define.
7707         * c-common.h (warnings_for_convert_and_check): Declare.
7709 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7711         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
7712         (output_call): Likewise.
7714 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
7716         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
7718 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
7720         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
7722 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
7724         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
7725         opteron, athlon-64 and athlon-fx processor_alias_table entries.
7727 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
7729         PR tree-optimization/31183
7730         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
7731         Use double_int instead of unsigned int for representing access_strides.
7732         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
7734 2007-03-16  Richard Guenther  <rguenther@suse.de>
7736         PR tree-optimization/31146
7737         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
7738         to allow recursion of forward_propagate_addr_expr.
7739         (forward_propagate_addr_into_variable_array_index): Likewise.
7740         (forward_propagate_addr_expr): Likewise.
7741         (tree_ssa_forward_propagate_single_use_vars): Likewise.
7742         (forward_propagate_addr_expr_1): Recurse on simple copies
7743         instead of propagating into them.  Do so for useless conversions
7744         as well.
7745         (forward_propagate_addr_expr): Clean up unused statements after
7746         recursion.
7748 2007-03-16  Richard Guenther  <rguenther@suse.de>
7750         * builtins.c (expand_builtin_cexpi): Use the right argument
7751         for the expansion via cexp.
7753 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
7755         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
7756         * configure: Rebuilt.
7758 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
7760         PR debug/29906
7761         * dwarf2out.c (force_type_die): Adjust comment.
7762         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
7764 2007-03-15  DJ Delorie  <dj@redhat.com>
7766         * config/frv/predicates.md (minmax_operator): Don't check operands
7767         here.
7769 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
7771         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
7772         Update constant estimates of number of iterations.
7773         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
7774         argument renamed to "realistic".
7775         (compute_estimated_nb_iterations): Removed.
7776         (record_niter_bound): New function.
7777         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
7778         call record_nonwrapping_iv with upper = false.
7779         (infer_loop_bounds_from_signedness): Pass upper argument to
7780         record_nonwrapping_iv.
7781         (estimate_numbers_of_iterations_loop): Do not call
7782         compute_estimated_nb_iterations.  Record estimate based on profile
7783         information.  Initialize the constant estimates of number of
7784         iterations.
7785         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
7786         estimates.
7787         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
7788         number of iterations is too small.
7789         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
7790         (EST_NOT_AVAILABLE): Removed.
7791         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
7792         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
7793         fields.
7795 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
7797         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
7798         Handle NE_EXPR guards.
7800 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7802         PR c++/24924
7803         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
7804         Set also -pedantic-errors by default for the  preprocessor unless
7805         -fpermissive is given.
7807 2007-03-15  Richard Guenther  <rguenther@suse.de>
7809         PR middle-end/29719
7810         PR middle-end/31161
7811         * builtins.c (expand_builtin_cexpi): As a fallback if we
7812         don't have builtins for sincos or cexp create a function
7813         declaration for cexp and expand to a call to that.
7814         (expand_builtin_int_roundingfn): Always fall
7815         back to floor/ceil and its variants even if they may be
7816         not available.
7818 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
7820         PR middle-end/31159
7821         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
7822         jump tables, move the call to delete_dead_jumptables from here...
7823         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
7824         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
7825         don't allow merging of blocks that try_redirect_by_replacing_jump
7826         also does not handle when not optimizing.
7828 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
7829             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7831         * config/i386/i386.md (x86_sahf_1): Correctly handle
7832         HAVE_AS_IX86_SAHF.
7834 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
7836         PR target/31167
7837         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
7838         x86_64_general_operand as operand[2] predicate.  Remove "iF"
7839         from operand constraints and use "e" constraint instead.
7840         (*subti3_1, *subti3_1 splitter): Ditto.
7841         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
7842         operand[1] predicate.
7844 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
7846         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
7847         arrays, multiply the access strides by the size of the sub-array.
7848         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
7850 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
7852         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
7853         the configured assembler supports the sahf mnemonic.
7854         * configure: Regenerate.
7855         * config.in: Regenerate.
7857         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
7858         emit "sahf" or ".byte\t0x9e" as asm template.
7860 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
7862         PR 31018
7863         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
7864         option to replace hard coded TARGET_xxx in md file.
7865         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
7866         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
7867         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
7868         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
7869         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
7870         (X86_TUNE_NOT_VECTORMODE): Ditto.
7871         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
7872         (TUNE_AVOID_VECTOR_DECODE): Ditto.
7873         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
7874         (TUNE_SLOW_IMUL_IMM8): Ditto.
7875         (TUNE_MOVE_M1_VIA_OR): Ditto.
7876         (TUNE_NOT_UNPAIRABLE): Ditto.
7877         (TUNE_NOT_VECTORMODE): Ditto.
7879         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
7880         options.
7882         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
7883         tuning options instead of hard coded TARGET_xxx.
7884         (fix ssemode peephole2's): Ditto.
7885         (imul peephole2's): Ditto.
7886         (movsi_or): Ditto.
7887         (movdi_or_rex64): Ditto.
7888         (move peephole2): Ditto.
7889         (not peephole2's): Ditto.
7891 2007-03-14  Dirk Mueller  <dmueller@suse.de>
7893         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
7894         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
7895         * c-parser.c (c_parser_if_body): Always add an empty statement in case
7896         of empty body.
7897         * c-parser.c (c_parser_do_statement): Warn about empty body in
7898         do/while statement.
7899         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
7900         * doc/invoke.texi (-Wempty-body): Update documentation.
7902 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7904         PR c/21438
7905         * c-common.h (warn_for_div_by_zero): Declare.
7906         * c-common.c (warn_for_div_by_zero): Define.
7907         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
7908         warning.
7910 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
7912         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
7913         to PREFIX and STANDARD_PREFIX.
7915 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
7916             Phil Edwards  <phil@codesourcery.com>
7918         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
7919         (__gthread_once_t): Remove busy field for RTPs.
7920         (__GTHREAD_ONCE_INIT): Update accordingly.
7922 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
7924         * doc/invoke.texi: Document VxWorks options.
7926 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
7928         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
7930 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
7932         PR tree-optimization/30590
7933         * tree-nrv.c (tree_nrv): Check for the partial update of the
7934         return value.
7936 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
7938         * flags.h (flag_random_seed): Remove declaration, in favor of...
7939         * toplev.h (get_random_seed, set_random_seed): ... these.
7940         * tree.c (get_file_function_name): Use the former.
7941         * opts.c (common_handle_option): Use the latter.
7942         * toplev.c
7944 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
7946         PR middle-end/31127
7947         * cse.c (cse_find_path): Do not bail out if a basic block that
7948         we already visited now becomes part of a path that starts at a
7949         different basic block.  Just disallow this, to make sure we
7950         visit each basic block at most once.
7952 2007-03-13  Jan Hubicka  <jh@suse.cz>
7954         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
7955         when profile esitmate is present, calls with very low frequency are
7956         cold.
7958 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
7960         PR tree-optimization/30730
7961         PR tree-optimization/26900
7962         * tree-ssa-loop-niter.c: Include gmp.h.
7963         (bounds): New type.
7964         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
7965         split_to_var_and_offset, determine_value_range,
7966         bound_difference_of_offsetted_base, refine_bounds_using_guard,
7967         bound_difference, bounds_add, bounds_negate,
7968         number_of_iterations_ne_max, dump_affine_iv): New functions.
7969         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7970         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
7971         difference of initial and final value of control iv to validate
7972         results.
7973         (number_of_iterations_cond): Add loop parameter.  Determine bounds
7974         on the difference of the extremes of the control iv.  Add dumps.
7975         (expand_simple_operations): Handle phi nodes.
7976         (simplify_using_initial_conditions): Do not record used conditions.
7977         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
7978         Do not set additional_info.
7979         (implies_nonnegative_p, implies_ge_p): Removed.
7980         (derive_constant_upper_bound): Do not use parameter `additional'.
7981         (record_estimate): Parameter `additional' removed.  Parameter
7982         `i_bound' added.  Do not call derive_constant_upper_bound.
7983         (record_nonwrapping_iv): Use derive_constant_upper_bound to
7984         bound the number of iterations estimate.
7985         (estimate_numbers_of_iterations_loop): Pass the estimate from
7986         the number of iterations analysis to record_estimate.
7987         * tree.h (multiple_of_p): Declare.
7988         * tree-scalar-evolution.c (expression_expensive_p): Removed.
7989         (scev_const_prop): Do not check expression_expensive_p.
7990         * fold-const.c (multiple_of_p): Exported.
7991         * double-int.c (double_int_mask): Exported.
7992         * double-int.h (double_int_mask): Declare.
7993         * tree-flow.h (struct tree_niter_desc): Removed additional_info
7994         field.  Added max field.
7996 2007-03-13  David Taylor  <taylor@candd.org>
7998         PR driver/12448:
7999         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
8000         default -MQ.
8002 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8004         PR target/31123
8005         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
8006         two unamed patterns.
8008 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
8010         * config/i386/i386.opt (mcx16, msahf): New options.
8011         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
8012         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
8014         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
8015         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
8016         Output -mcx16 and -msahf options when corresponding bit is set.
8018         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
8019         and -msahf options.
8021 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
8023         * configure.ac: Test for assembler tolerance to # 0 "".
8024         * configure, config.in: Rebuilt.
8025         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
8027 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
8029         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
8031         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
8032         (handle_syscall): Handle direct system calls.
8033         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
8035 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
8037         * doc/invoke.texi: Fix cpp.info cross-reference.
8038         * doc/passes.texi: Fix gcc.info cross-reference.
8040 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
8042         PR tree-optimization/30835
8043         * lambda-code.c (can_convert_to_perfect_nest): Check whether
8044         bb_for_stmt is not NULL before accessing it.
8046 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
8048         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
8049         some multilibs.
8051 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
8053         PR 30635
8054         * doc/install.texi: Document --enable-stage1-languages
8056 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
8058         * tree-pass.h (pass_into_cfg_layout_mode,
8059         pass_outof_cfg_layout_mode): Declare.
8060         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
8061         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
8062         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
8063         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
8065 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
8067         * c-decl.c (warn_variable_length_array): New function.
8068         Refactored from grokdeclarator to handle warn_vla
8069         and handle unnamed array case.
8070         (grokdeclarator): Refactored VLA warning case.
8071         * c.opt (Wvla): New flag.
8072         * doc/invoke.texi (Wvla): New warning.
8074 2007-03-12  Richard Henderson  <rth@redhat.com>
8076         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
8077         (TARGET_SECTION_TYPE_FLAGS): New.
8079 2007-03-12  Richard Henderson  <rth@redhat.com>
8081         * config/darwin.c (machopic_reloc_rw_mask): New.
8082         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
8083         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
8085 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
8087         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
8088         * cppdefault.h (cpp_PREFIX): Document.
8089         (cpp_PREFIX_len): Likewise.
8090         (cpp_EXEC_PREFIX): New variable.
8091         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
8092         * c-incpath.c (add_standard_paths): Correct logic for relocating
8093         paths within prefix.
8095 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
8097         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
8098         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
8099         mode macro.
8100         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
8101         fix_truncdfdi_sse using SSEMODEF mode macro.
8102         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
8103         fix_truncdfsi_sse using SSEMODEF mode macro.
8104         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
8105         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
8107 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
8109         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
8110         elfos.h to tm_file.
8112 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
8114         * tree.h : Add multiple_of_p declaration.
8115         * fold-const.c (multiple_of_p): Make multiple_of_p public.
8116         * ipa-type-escape.c (results_of_malloc): Redundant.
8117         (visited_stmts): New. Visited stmt for walk_use_def_chains.
8118         (cast_type): Extended with new members.
8119         (check_cast): Returns cast_type.
8120         (cast): New structure for data of walk_use_def_chains.
8121         (is_malloc_result, is_cast_from_non_pointer_1,
8122         is_cast_from_non_pointer,
8123         is_array_access_through_pointer_and_index): New functions.
8124         (look_for_casts): Returns cast types.
8125         (check_call): Returns void.
8126         (okay_pointer_operation): Use support of pointer plus index,
8127         pointer plus constant and allow all multiplications.
8129 2007-03-11  Richard Guenther  <rguenther@suse.de>
8131         PR tree-optimization/31115
8132         * tree-vrp.c (extract_range_from_binary_expr): Make sure
8133         the shift count is positive and non-anti-range for RSHIFT_EXPR.
8134         A shift count of zero is not special as with *_DIV_EXPR.
8135         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
8136         direction.
8138 2007-03-11  Ian Lance Taylor  <iant@google.com>
8140         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
8141         the *_DIV_EXPR codes correctly with overflow infinities.
8143 2007-03-11  Ira Rosen  <irar@il.ibm.com>
8145         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
8146         indicate success/failure of the analysis. Add negation to subtrahend
8147         in case of subtraction. Fail if both operands contain constants.
8148         (create_data_ref): Fail if analyze_offset fails.
8150 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
8152         * config/i386/i386.md (frndintxf2): Rename to ...
8153         (rintxf2): ... this. Remove expander having same name.
8154         (rintsf2, rintdf2): Implement using SSEMODEF macro.
8155         (roundsf2, rounddf2): Ditto.
8156         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
8157         (lround<mode>di2, lround<mode>si2): Ditto.
8159 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
8161         * lower-subreg.c: Include except.h.
8162         (decompose_multiword_subregs): Verify that the only control flow
8163         insns we can split are loads to multi-words pseudos.
8164         Handle breaking such blocks after splitting, instead of calling
8165         find_many_sub_basic_blocks.
8167         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
8168         on the new basic block.  Add a lengthy comment explaining why we
8169         thought this was necessary.
8170         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
8172 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
8174         PR c++/30924
8175         * tree.c (walk_type_fields): Recurse into the element type of
8176         ARRAY_TYPEs if there is a pointer set.
8178 2007-03-10  Dirk Mueller  <dmueller@suse.de>
8180         * c-common.c (warn_logical_operator): Fix condition.
8182 2007-03-10  Tobias Schl�ter  <tobi@gcc.gnu.org>
8184         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
8185         quotation mark.
8186         * config/darwin.c (machopic_select_section): Remove superfluous
8187         argument in call to categorize_decl_for_section.  Remove unused
8188         variable shlib.
8190 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
8192         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
8193         defined.
8194         * configure: Regenerate.
8196 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
8198         PR target/31101
8199         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
8200         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
8201         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
8202         Add LABEL_NUSES to emitted label.
8203         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
8204         branch probability value to emitted jump insn.
8205         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
8206         Do not check life information and do not re-arrange input operands
8207         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
8209 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8211         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
8212         the change of decode_asm_operands.
8214 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8216         * mode-switching.c (create_pre_exit): Skip blockage insn.
8218 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
8220         * tree-pass.h (TODO_update_smt_usage): Remove.
8221         Update all users.
8222         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
8223         argument SOME.
8224         Update all users.
8226 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8228         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
8229         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
8230         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
8231         SOM target.
8233 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
8235         * gcc.c: Document %{, in big comment at top.
8236         (input_suffix_matches): Remove special handling for .s and
8237         .S.
8238         (input_spec_matches): New.
8239         (handle_braces): Handle %{,.
8240         (validate_switches): ',' indicates a value which is not a switch.
8241         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
8242         to detect assembler input.
8243         * config/i386/sol2.h (CPP_SPEC): Likewise.
8244         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
8245         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
8246         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
8247         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
8248         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
8249         -m64 causes deployment target to default to 10.5.
8250         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
8252 2007-03-09  Richard Henderson  <rth@redhat.com>
8254         PR target/26090
8255         * target.h (targetm.asm.out.reloc_rw_mask): New.
8256         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
8257         (TARGET_ASM_OUT): Use it.
8258         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
8259         * varasm.c (categorize_decl_for_section): Remove shlib argument;
8260         use the new reloc_rw_mask target hook instead.
8261         (default_section_type_flags_1): Merge into...
8262         (default_section_type_flags): ... here.
8263         (decl_readonly_section_1): Merge into...
8264         (decl_readonly_section): ... here.
8265         (default_elf_select_section_1): Merge into...
8266         (default_elf_select_section): ... here.
8267         (default_unique_section_1): Merge into...
8268         (default_unique_section): ... here.
8269         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
8270         (default_select_rtx_section): Use it.
8271         (default_elf_select_rtx_section): Likewise.
8272         * output.h: Update to match.
8273         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
8274         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
8275         (TARGET_ASM_RELOC_RW_MASK): New.
8276         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
8277         to categorize_decl_for_section.
8278         (x86_64_elf_unique_section): Likewise.
8279         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
8280         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
8281         (TARGET_ASM_RELOC_RW_MASK): New.
8282         * config/ia64/ia64.c (ia64_rwreloc_select_section,
8283         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
8284         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
8285         (TARGET_RWRELOC): Remove.
8286         (ia64_section_type_flags): Adjust call to default_section_type_flags.
8287         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
8288         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
8289         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
8290         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
8291         (rs6000_xcoff_select_section): Use decl_readonly_section.
8292         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
8293         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
8294         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
8295         (TARGET_SECTION_TYPE_FLAGS): Remove.
8296         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
8298 2007-03-09  Roger Sayle  <roger@eyesopen.com>
8300         * fold-const.c (fold_comparison): Remove compile-time evaluation of
8301         complex constant equality/inequality comparisons for here.
8302         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
8303         known at compile-time or can be simplified to a scalar comparison.
8304         (fold_relational_const): Move compile-time evaluation of complex
8305         constant equality/inequality comparisons to here.
8307 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
8309         PR rtl-optimization/30643
8310         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
8311         dest_addr_elt.
8312         (fold_rtx): Recurse, like before 2006-11-03.
8314 2007-03-09  DJ Delorie  <dj@redhat.com>
8316         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
8317         m32c-pragma.o.
8319 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
8321         PR tree-optimization/30375
8322         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
8323         LHS of statements is not the same.
8324         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
8326 2007-03-09  Chao-ying Fu  <fu@mips.com>
8328         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
8329         REV 2.
8330         * doc/invoke.texi (-mdspr2): Document new option.
8331         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
8332         New unspec for DSP REV 2.
8333         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
8334         these instructions are extended in DSP REV 2.
8335         (mips-dspr2.md): Include.
8336         * config/mips/mips.opt (mdspr2): New option.
8337         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
8338         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
8339         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
8340         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
8341         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
8342         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
8343         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
8344         and 2 builtins.
8345         (bdesc_map): Add one field of unsupported_target_flags.
8346         (bdesc_arrays):  Update entries to have extra fields.  Add
8347         dsp_32only_bdesc.
8348         (mips_init_builtins): Initialize new function types.
8349         Check unsupported_target_fileds to filter out builtins.
8350         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
8351         TARGET_DSPR2.
8352         (ASM_SPEC): Pass mdspr2 to the assembler.
8353         * config/mips/mips-dspr2.md: New file.
8355 2007-03-09  Sa Liu  <saliu@de.ibm.com>
8357         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
8359 2007-03-09  Ian Lance Taylor  <iant@google.com>
8361         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
8362         argument) like -Wstrict-overflow=2.
8363         * doc/invoke.texi (Warning Options): Update documentation.
8365 2007-03-09  Dirk Mueller  <dmueller@suse.de>
8367         PR c++/17946
8368         * doc/invoke.texi (-Wlogical-op): Document.
8369         * common.opt (-Wlogical-op): New.
8370         * c-common.h (warn_logical_operator): Declare.
8371         * c-common.c (warn_logical_operator): Define.
8372         * c-typeck.c (parser_build_binary_op): Call
8373         warn_logical_operator.
8375 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
8377         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
8378         * final.c (final_scan_insn): Test for non-"" file name.
8380 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
8382         * doc/loop.texi: Document the Omega linear constraints solver.
8383         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
8384         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
8385         omega-hash-table-size, omega-max-keys, and
8386         omega-eliminate-redundant-constraints.
8387         * tree-pass.h (pass_check_data_deps): Declared.
8388         * omega.c: New.
8389         * omega.h: New.
8390         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
8391         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
8392         pass_check_data_deps): New.
8393         * tree-data-ref.c (init_data_ref): Remove declaration.
8394         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
8395         (analyze_array): Renamed init_array_ref, move up initializations.
8396         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
8397         Removed arguments that are set to NULL.
8398         (analyze_indirect_ref): Correct indentation, correct call to
8399         init_pointer_ref.
8400         (object_analysis): Call init_array_ref instead of analyze_array.
8401         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
8402         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
8403         of DR_ACCESS_FNS_ADDR.
8404         (init_omega_eq_with_af, omega_extract_distance_vectors,
8405         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
8406         ddr_consistent_p): New.
8407         (compute_affine_dependence): Check consistency of ddrs when
8408         flag_check_data_deps is passed.
8409         (analyze_all_data_dependences): Uncomment.
8410         (tree_check_data_deps): New.
8411         * tree-data-ref.h: Include omega.h.
8412         (DR_ACCESS_FNS_ADDR): Removed.
8413         (data_dependence_relation): Add inner_loop.
8414         (DDR_INNER_LOOP): New.
8415         * common.opt (fcheck-data-deps): New.
8416         * tree-flow.h (tree_check_data_deps): Declare.
8417         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
8418         (OBJS-common): Depend on omega.o.
8419         (omega.o): Define.
8420         * passes.c (pass_check_data_deps): Scheduled.
8421         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
8422         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
8423         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
8424         PARAM_VECT_MAX_VERSION_CHECKS,
8425         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
8427 2007-03-09  Richard Guenther  <rguenther@suse.de>
8429         PR tree-optimization/30904
8430         PR middle-end/31058
8431         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
8432         the same way as *_DIV_EXPR.
8434 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
8436         * recog.c (decode_asm_operands): No mixed declarations and code.
8438 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
8440         * rtl.def (ASM_INPUT): Add location.
8441         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
8442         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
8443         (decode_asm_operands): Add loc operand.
8444         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
8445         * stmt.c (expand_asm): Rename to...
8446         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
8447         gen_rtx_ASM_INPUT_loc.
8448         (expand_asm_expr): Adjust.
8449         * recog.c (decode_asm_operands): Add loc operand.
8450         (check_asm_operands, extract_insn): Adjust.
8451         * reload1.c (maybe_fix_stack_asms): Likewise.
8452         * final.c (asm_insn_count): Likewise.
8453         (final_scan_insn): Output # line before and after asm.
8455 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
8457         * tree-ssa-structalias.c (variable_info): Remove
8458         finished_solution.
8459         (new_var_info): Ditto.
8460         (shared_bitmap_info_t): New structure.
8461         (shared_bitmap_table): New variable.
8462         (shared_bitmap_hash): New function.
8463         (shared_bitmap_eq): Ditto
8464         (shared_bitmap_lookup): Ditto.
8465         (shared_bitmap_add): Ditto.
8466         (merge_smts_into): Change to take bitmap directly.
8467         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
8468         (init_alias_vars): Init shared bitmap hashtable.
8469         (delete_points_to_sets): Delete shared bitmap hashtable.
8470         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
8471         is_aliased removal as a change that was still necessary was
8472         deleted.
8474 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
8476         * config/i386/i386.h (override_options): Conditionally disable
8477         x86_sahf for 64bit targets only.
8479 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8481         PR C/31072
8482         * c-decl.c (merge_decls): Don't call make_var_volatile.
8483         * varasm.c (make_var_volatile): Remove.
8484         * output.h (make_var_volatile): Remove.
8486 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
8488         PR tree-optimization/31085
8489         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
8491 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8493         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
8494         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
8495         ATTR_CONST_NOTHROW_LIST.
8497         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
8498         FIX_TRUNC_EXPR.
8500 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
8502         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
8504 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
8506         PR 31013
8507         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
8508         is declared.
8509         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
8510         passed, use shared libgcc.
8512 2007-03-08  Roger Sayle  <roger@eyesopen.com>
8514         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
8515         instead of calling build2 with a GIMPLE_MODIFY_STMT.
8516         (honor_protect_cleanup_actions, lower_try_finally_switch):
8517         Likewise.
8518         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
8519         ifc_temp_var): Likewise.
8520         * tree-inline.c (setup_one_parameter): Likewise.
8521         * tree-mudflap.c (mf_decl_cache_locals,
8522         mf_build_check_statement_for): Likewise.
8523         * tree-nested.c (init_tmp_var, save_tmp_var,
8524         finalize_nesting_tree_1): Likewise.
8525         * tree-outof-ssa.c (insert_copy_on_edge,
8526         insert_backedge_copies): Likewise.
8527         * tree-profile.c (tree_gen_edge_profiler,
8528         tree_gen_ic_profiler): Likewise.
8529         * tree-scalar-evolution.c (scev_const_prop): Likewise.
8530         * tree-sra.c (sra_build_assignment): Likewise.
8531         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
8532         * tree-ssa-math-opts.c (insert_reciprocals,
8533         execute_cse_sincos_1): Likewise.
8534         * tree-tailcall.c (adjust_accumulator_values,
8535         adjust_return_value): Likewise.
8536         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
8537         * tree-vect-transform.c (vect_create_data_ref_ptr,
8538         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
8539         vect_create_epilog_for_reduction, vectorizable_reduction,
8540         vectorizable_call, vectorizable_conversion,
8541         vectorizable_assignment, vectorizable_operation,
8542         vectorizable_type_demotion, vect_gen_widened_results_half,
8543         vect_permute_store_chain, vectorizable_store,
8544         vect_setup_realignment, vect_permute_load_chain,
8545         vectorizable_load, vectorizable_condition,
8546         vect_create_cond_for_align_checks): Likewise.
8547         * tree-vrp.c (build_assert_expr_for): Likewise.
8549 2007-03-08  Ian Lance Taylor  <iant@google.com>
8551         * tree-vrp.c: Include "intl.h".
8552         (usable_range_p): New static function.
8553         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
8554         overflowed values, juts set *strict_overflow_p.
8555         (compare_values): Only return -2 if one of the operands is not a
8556         constant.
8557         (compare_ranges): Call usable_range_p.
8558         (compare_range_with_value): Likewise.
8559         (vrp_evaluate_conditional_warnv): Rename from
8560         vrp_evaluate_conditional.  Make static.  Change all callers.
8561         (vrp_evaluate_conditional): New function.
8562         (simplify_div_or_mod_using_ranges): Issue warning about reliance
8563         on signed overflow.
8564         (simplify_abs_using_ranges): Likewise.
8565         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
8566         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
8567         within_stmt parameter.
8568         * tree-ssa-propagate.c (fold_predicate_in): Update call to
8569         vrp_evaluate_conditional.
8570         * tree-ssa-threadedge.c
8571         (record_temporary_equivalences_from_stmts_at_dest): Change
8572         simplify parameter to take a second tree parameter.
8573         (simplify_control_stmt_condition): Likewise.
8574         (thread_across_edge): Likewise.
8575         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
8576         (thread_across_edge): Likewise.
8577         * Makefile.in (tree-vrp.o): Depend upon intl.h.
8579 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
8581         * config/i386/i386.h (TARGET_SAHF): New define.
8582         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
8583         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
8584         (x86_sahf): New global variable.
8585         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
8586         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
8587         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
8588         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
8589         for 64-bit.
8590         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
8591         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
8592         when expanding fcomi/sahf based tests.
8593         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
8594         expanding sahf based alternative. Emit sahf based sequence when
8595         optimizing for code size.
8596         * config/i386/i386.md (x86_sahf_1): Do not disable for
8597         TARGET_64BIT, enable for TARGET_SAHF.
8599 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
8601         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
8602         spurious whitespace from error message.
8604 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
8606         PR c++/30852
8607         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
8609 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
8611         * c-decl.c (grokdeclarator): Disable warnings for anonymous
8612         bitfields.
8613         * tree-sra.c (instantiate_element): Propagate disabled warnings
8614         from the element itself to the created variable.
8616 2007-03-07  Richard Henderson  <rth@redhat.com>
8618         PR target/30848
8619         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
8620         silently fix up the stack in the case of a missing register.
8622 2007-03-07  Paul Brook  <paul@codesourcery.com>
8624         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
8626 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
8628         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
8629         New.
8630         (phase1_vrs): Use them.
8631         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
8632         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
8633         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
8634         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
8635         __gnu_Unwind_Restore_WMMXC if required.
8636         (_Unwind_VRS_Pop): Implement iWMMXt support.
8637         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
8638         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
8639         gnu_Unwind_Save_WMMXC): Define.
8641 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
8643         * config/vxworks.h (vxworks_override_options): Declare.
8644         (VXWORKS_OVERRIDE_OPTIONS): Use it.
8645         * config/vxworks.c: Include target.h and toplev.h.
8646         (vxworks_override_options): New function.
8647         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
8649 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8651         * config/s390/s390.c (override_options): Don't emit an error when
8652         -mstack-size is used without providing -mstack-guard.
8653         (s390_emit_prologue): Choose stack_guard value automatically if not
8654         provided via command line.
8655         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
8657 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
8659         * config/i386/i386.c (output_set_got): Add a GOT initialization
8660         sequence for VxWorks PIC.
8661         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
8662         around labels as well as symbols.  Use gotoff_operand instead
8663         of local_symbolic_operand.
8664         (legitimize_pic_address): Use gotoff_operand instead of
8665         local_symbolic_operand.  Use @GOT accesses for labels as
8666         well as symbols.
8667         (ix86_output_addr_diff_elt): Use PC-relative rather than
8668         GP-relative offsets for VxWorks PIC.
8669         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
8670         no_new_pseudos.  Check whether the returned register is op0.
8671         * config/i386/i386.md (tablejump): Use PC-relative rather than
8672         GP-relative offsets for VxWorks PIC.
8673         * config/i386/predicates.md (gotoff_operand): New predicate.
8675 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8677         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
8678         before defining.
8679         * config/vxworks-dummy.h: New file.
8680         * config/i386/i386.h: Include it.
8682 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
8684         * dwarf2out.c (is_inlined_entry_point): New
8685         (add_high_low_attributes): Emit DW_AT_entry_pc along with
8686         DW_AT_ranges if the first subblock is the entry point.
8688 2007-03-06  David Daney  <ddaney@avtrex.com>
8690         * doc/install.texi (mips-*-*): Change recommended binutils
8691         version.
8693 2007-03-06  Anatoly Sokolov <aesok@post.ru>
8695         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
8696         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
8697         devices.
8698         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8699         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8701 2007-03-06  Jan Hubicka  <jh@suse.cz>
8703         * errors.h (warning, error, fatal, internal_error): Mark as cold.
8704         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
8705         are hot.
8706         (probably_cold_bb_p): Cold functions are cold.
8707         (probably_never_executed_bb_p): Cold functions are cold.
8708         (tree_bb_level_predictions): Predict calls to cold functions as not
8709         taken.
8710         (compute_function_frequency): Check hot/cold attributes.
8711         * function.h (function_frequency): Update comments.
8712         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
8713         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
8714         (c_common_att): Add cold and hot.
8716         * doc/extend.texi (hot,cold attributes): Document.
8718 2007-03-06  Andrew Haley  <aph@redhat.com>
8720         * function.c (expand_function_end): Move blockage to just after we
8721         emit the label for the naked return from the function.
8723 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8725         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
8726         before redefining.
8728 2007-03-06  Jan Hubicka  <jh@suse.cz>
8730         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
8731         loaded for constant large models.  Non-large 64bit PIC can do.
8732         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
8733         * cmodel.h: Add LARGE PIC.
8734         * i386.md (UNSPEC_PLTOFF): New.
8735         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
8736         needed.
8737         (*call_1_rex64): Disable for large models.
8738         (*call_1_rex64_large): New.
8739         (*call_value_1_rex64): Disable for large models.
8740         (*call_value_1_rex64_large): New.
8741         (set_rip_rex4): New.
8742         (set_got_offset_rex64): New.
8743         * predicates.md (constant_call_address_operand): For large model
8744         constant calls are not possible.
8745         * i386-protos.h (construct_plt_address): Declare.
8746         * i386.c (override_options): Accept large models.
8747         (ix86_expand_prologue): Expand large PIC GOT pointer load.
8748         (legitimate_constant_p): Add new UNSPECs.
8749         (legitimate_pic_operand_p): Likewise.
8750         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
8751         (legitimize_pic_address): Do easy RIP relative way for TLS only for
8752         non-large model.
8753         (output_pic_addr_const): Add PLTOFF.
8754         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
8755         (ix86_expand_move): Legitimize pic address when in PIC mode.
8756         (construct_plt_address): New function.
8757         (ix86_expand_call): Offload the address to register and use GOT pointer
8758         for large model.
8759         * invoke.texi (mcmodel=large): Update documentation.
8761 2007-03-06  Richard Henderson  <rth@redhat.com>
8763         * config/i386/i386.c (x86_use_leave, x86_push_memory,
8764         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
8765         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
8766         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
8767         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
8768         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
8769         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
8770         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
8771         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
8772         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8773         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8774         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
8775         x86_sse_partial_reg_dependency, x86_sse_split_regs,
8776         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
8777         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
8778         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
8779         x86_schedule, x86_use_bt, x86_pad_returns,
8780         x86_use_xchgb): Merge into ...
8781         (ix86_tune_features): ... here.  New array.
8782         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
8783         x86_bswap): Merge into ...
8784         (ix86_arch_features): ... here.  New array.
8785         (x86_3dnow_a): Remove.
8786         (x86_accumulate_outgoing_args): Make static.
8787         (x86_arch_always_fancy_math_387): Make static.
8788         (ix86_tune_mask, ix86_arch_mask): Move ...
8789         (override_options): ... to local variables here.  Apply the
8790         appropriate mask to each element of ix86_arch_features and
8791         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
8792         as were done in the old macros.
8793         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
8794         * config/i386/i386.h (x86_use_leave, x86_push_memory,
8795         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
8796         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
8797         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
8798         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
8799         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
8800         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
8801         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
8802         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
8803         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
8804         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8805         x86_accumulate_outgoing_args, x86_prologue_using_move,
8806         x86_epilogue_using_move, x86_decompose_lea,
8807         x86_arch_always_fancy_math_387, x86_shift1,
8808         x86_sse_partial_reg_dependency, x86_sse_split_regs,
8809         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
8810         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
8811         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
8812         x86_use_incdec, x86_pad_returns, x86_bswap,
8813         x86_partial_flag_reg_stall): Remove.
8814         (enum ix86_tune_indices): New.
8815         (ix86_tune_features): New.
8816         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
8817         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
8818         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
8819         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
8820         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
8821         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
8822         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
8823         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
8824         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
8825         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
8826         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
8827         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
8828         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
8829         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
8830         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
8831         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
8832         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
8833         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
8834         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
8835         TARGET_EXT_80387_CONSTANTS): Use it.
8836         (enum ix86_arch_indices): New.
8837         (ix86_arch_features): New.
8838         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
8839         TARGET_BSWAP): Use it.
8840         (ix86_tune_mask, ix86_arch_mask): Remove.
8842 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
8844         PR bootstrap/31020
8845         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
8846         Define using $${sysroot_headers_suffix}.
8847         * configure: Regenerate.
8848         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
8849         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
8850         defined.
8851         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
8852         * gcc.c (print_sysroot_headers_suffix): New.
8853         (option_map): Include --print-sysroot-headers-suffix.
8854         (display_help): Mention -print-sysroot-headers-suffix.
8855         (process_command): Handle -print-sysroot-headers-suffix.
8856         (do_spec_1): Append multilib directory to include-fixed path if
8857         sysroot suffixes in use.
8858         (main): Handle -print-sysroot-headers-suffix.
8859         * Makefile.in (start.encap): Don't depend on xlimits.h
8860         (xlimits.h): Remove.
8861         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
8862         limits.h for each multilib in fixinc_list.
8863         (fixinc_list, s-fixinc_list): New.
8864         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
8865         generate them for each multilib in fixinc_list.
8866         (stmp-fixproto): Use include-fixed.  Run fixproto for each
8867         multilib in fixinc_list.
8868         (mostlyclean): Don't remove xlimits.h.
8869         (clean): Remove include-fixed.
8870         (real-install-headers-tar, real-install-headers-cpio,
8871         real-install-headers-cp): Don't copy include, only include-fixed.
8872         (install-mkheaders): Depend on fixinc_list.  Don't depend on
8873         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
8874         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
8875         SYSTEM_HEADER_DIR setting in mkheaders.conf.
8877 2007-03-06  Jan Hubicka  <jh@suse.cz>
8879         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
8880         NANs easilly.
8882 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8884         * configure.ac: Allow tm_file to contain build-directory files.
8885         * configure: Regenerate.
8886         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
8887         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
8888         * config/m68k/print-sysroot-suffix.sh: New file.
8890 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8892         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
8893         of pic_offset_table_rtx if reload_completed.
8894         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
8895         PIC_OFFSET_TABLE_REGNUM.
8896         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
8897         return true.
8898         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
8899         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
8901 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8903         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
8904         functions that call eh_return.
8906 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8908         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
8909         functions that need a constant pool.
8911 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8913         PR target/28181
8914         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
8915         (m68k_preferred_reload_class): Likewise.
8916         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
8917         (SECONDARY_RELOAD_CLASS): Define.
8918         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
8919         (LIMIT_RELOAD_CLASS): Delete.
8920         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
8921         registers from storing bytes.
8922         (m68k_secondary_reload_class): New function.
8923         (m68k_preferred_reload_class): Likewise.
8925 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8927         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
8928         leaf functions.
8929         (m68k_expand_prologue): Likewise.
8931 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8933         * config/m68k/m68k-protos.h (output_sibcall): Declare.
8934         (mips_expand_epilogue): Add a bool parameter.
8935         (m68k_legitimize_sibcall_address): Declare.
8936         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
8937         (m68k_expand_epilogue): Add a parameter to select between sibling
8938         and normal epilogues.  Only generate a return for the latter.
8939         (m68k_ok_for_sibcall_p): New function.
8940         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
8941         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
8942         (sibcall_value, *sibcall_value): Likewise.
8943         (*call, *call_value): Require !SIBLING_CALL_P.
8944         (epilogue): Update call to m68k_expand_epilogue.
8945         (sibcall_epilogue): New pattern.
8946         * config/m68k/predicates.md (const_call_operand): Say that this
8947         predicate applies to sibling calls too.
8948         (sibcall_operand): New predicate.
8950 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8952         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
8953         alternatives as movsi_cf.
8954         (movsf_cf_hard): Add commentary.
8956 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
8957             Richard Sandiford  <richard@codesourcery.com>
8959         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
8960         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
8961         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
8962         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
8963         as being live on exit from an interrupt function.
8964         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
8965         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
8966         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
8967         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
8968         (m68k_interrupt_function_p): Globalize.
8969         (m68k_compute_frame_layout): Remove reverse mask code.
8970         (m68k_emit_movem, m68k_set_frame_related): New functions.
8971         (m68k_output_function_prologue): Delete in favor of...
8972         (m68k_expand_prologue): ...this new function.
8973         (m68k_output_function_epilogue): Delete in favor of...
8974         (m68k_expand_epilogue): ...this new function.
8975         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
8976         functions.
8977         (print_operand): Handle %?.
8978         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
8979         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
8980         (prologue, epilogue): New patterns.
8981         (return): Turn into a define_expand.
8982         (*return): New pattern, derived from old "return" pattern.  Use rte
8983         rather than rts for interrupt functions.  Only use rtd if the pop
8984         count is nonzero.
8985         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
8986         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
8987         (link, *link, unlink, *unlink, load_got): Likewise.
8989 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
8991         PR target/23482
8992         PR target/17114
8993         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
8994         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
8995         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
8996         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
8997         and m68k_matches_u_p.
8998         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
8999         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
9000         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
9001         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
9002         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
9003         (REG_STRICT_P): New macro.
9004         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
9005         PCREL_GENERAL_OPERAND_OK.
9006         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
9007         m68k_legitimate_base_reg_p.
9008         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
9009         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
9010         (PIC_CASE_VECTOR_ADDRESS): Update comment.
9011         * config/m68k/m68k.c (m68k_address): New structure.
9012         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
9013         (m68k_decompose_index, m68k_legitimate_constant_address_p)
9014         (m68k_jump_table_ref_p, m68k_decompose_address)
9015         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
9016         (m68k_matches_u_p): New functions.
9017         (print_operand_address): Rewrite to use m68k_decompose_index.
9019 2007-03-05  David Taylor  <dtaylor@emc.com>
9021         * gcc.c: Correct copyright date in --version output.
9023 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9025         * pa.md: In unamed move patterns, disparge copies between general
9026         and floating point registers using '?' modifier.  Don't include 'f'
9027         constraint for register preferences in DImode, SImode, HImode and
9028         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
9029         Remove constraints for copies between general and floating registers
9030         in soft-float DFmode pattern.
9031         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
9032         floating register.
9033         (movsf): Likewise.
9035 2007-03-05  Mike Stump  <mrs@apple.com>
9037         * c-common.c (targetcm): Add.
9038         * c-opts.c (c_common_handle_option): Handle language specific
9039         target options.
9040         * opts.c (handle_option): Verify language for target options, if
9041         any are given.
9042         * opth-gen.awk: Add CL_LANG_ALL.
9043         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
9044         (TARGETCM_INITIALIZER): Add.
9045         * target.h (struct gcc_targetcm): Add.
9046         (targetcm): Add.
9047         * targhooks.c (default_handle_c_option): Add.
9048         * targhooks.h (default_handle_c_option): Add.
9049         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
9051         * config/darwin.opt (iframework): Add.
9052         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
9053         * config/darwin-c.c (handle_c_option): Add.
9054         (TARGET_HANDLE_C_OPTION): Add.
9055         (targetcm): Add.
9056         * doc/invoke.texi (Darwin Options): Add -iframework.
9058 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9060         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
9061         conversion.
9063 2007-03-05  Ian Lance Taylor  <iant@google.com>
9065         * c.opt (fgnu89-inline): New option.
9066         * c-opts.c (c_common_post_options): Set default value for
9067         flag_gnu89_inline.
9068         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
9069         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
9070         inline functions.
9071         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
9072         (grokdeclarator, start_function): Likewise.
9073         * c-cppbuiltin.c (c_cpp_builtins): Define either
9074         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
9075         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
9076         (C Dialect Options): Document -fgnu89-inline.
9077         * doc/extend.texi (Function Attributes): Explain what the
9078         gnu_inline attribute does.
9079         * doc/cpp.texi (Common Predefined Macros): Document
9080         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
9082 2007-03-05  Ian Lance Taylor  <iant@google.com>
9084         PR tree-optimization/31034
9085         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
9086         half-range if the other side is an overflow infinity.
9088 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9090         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
9091         (bfin*-linux-uclibc*): New configuration.
9092         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
9093         defining.
9094         * config/bfin/linux.h: New file.
9095         * config/bfin/libgcc-bfin.ver: New file.
9096         * config/bfin/t-bfin-uclinux: New file.
9097         * config/bfin/t-bfin-linux: New file.
9098         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
9099         (TARGET_OS_CPP_BUILTINS): New macro.
9101 2007-03-05  Richard Guenther  <rguenther@suse.de>
9103         * fold-const.c (fold_binary): Remove duplicate folding
9104         of comparison of non-null ADDR_EXPR against null.
9106 2007-03-05  Richard Guenther  <rguenther@suse.de>
9107             Dorit Nuzman  <dorit@il.ibm.com>
9109         PR tree-optimization/26420
9110         * tree-vectorizer.c (vectorize_loops): Bail out early if there
9111         are no loops in the function.  Only print the number of
9112         vectorized loops if it is greater than zero or we are supposed
9113         to print information about unvectorized loops.
9115 2007-03-05  Revital Eres  <eres@il.ibm.com>
9117         * gcc.dg/var-expand1.c: New test.
9118         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
9119         when an accumulator is expanded.
9121 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9123         PR other/30465
9124         * c-common.c (convert_and_check): Don't give warnings for
9125         conversion if 'expr' already overflowed.
9127 2007-03-04  Roger Sayle  <roger@eyesopen.com>
9129         PR middle-end/30744
9130         * fold-const.c (fold_comparison): Enforce type consistency when
9131         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
9133 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
9135         * tree-ssa-address.c (create_mem_ref): Do not put an expression
9136         containing a cast to the base of TARGET_MEM_REF.
9138 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
9140         * tree.c (tree_contains_struct_check_failed): Remove spurious
9141         whitespace from error message.
9143 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
9145         PR target/30406
9146         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
9147         instead of precision.
9149 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
9150             Nathan Sidwell  <nathan@codesourcery.com>
9152         * emit-rtl.c (find_auto_inc): New.
9153         (try_split): recreate REG_INC notes,
9154         Use regular for loops rather than whiles.
9156 2007-03-03  Andreas Schwab  <schwab@suse.de>
9158         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
9159         * configure: Regenerate.
9161 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9163         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
9164         flag_rounding_math, not flag_unsafe_math_optimizations.
9166         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
9167         fold_build2.
9168         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
9169         alpha_fold_vector_minmax): Likewise.
9170         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
9171         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
9173 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
9175         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
9176         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
9177         if the lhs has side-effects.
9178         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
9180 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
9182         * config/i386/i386.h (TUNEMASK): Remove define.
9183         (ARCHMASK): Remove define.
9184         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
9185          Use ix86_arch_mask variable instead of ARCHMASK.
9186         * config/i386/i386.c (override_options): Ditto.
9187         (standard_80387_constant_p): Ditto.
9189 2007-03-02  Ian Lance Taylor  <iant@google.com>
9191         Used signed infinities in VRP.
9192         * tree-vrp.c (uses_overflow_infinity): New static function.
9193         (supports_overflow_infinity): New static function.
9194         (make_overflow_infinity): New static function.
9195         (negative_overflow_infinity): New static function.
9196         (positive_overflow_infinity): New static function.
9197         (is_negative_overflow_infinity): New static function.
9198         (is_positive_overflow_infinity): New static function.
9199         (is_overflow_infinity): New static function.
9200         (overflow_infinity_range_p): New static function.
9201         (compare_values_warnv): New function split out of compare_values.
9202         (compare_value): Call it.
9203         (set_value_range_to_nonnegative): Add overflow_infinity
9204         parameter.  Change caller.
9205         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
9206         Change callers.
9207         (vrp_expr_computes_nonzero): Likewise.
9208         (compare_ranges, compare_range_with_value): Likewise.
9209         (compare_name_with_value, compare_names): Likewise.
9210         (vrp_evaluate_conditional): Likewise.
9211         (set_value_range): Handle infinity
9212         (vrp_operand_equal_p, operand_less_p): Likewise.
9213         (extract_range_from_assert): Likewise.
9214         (vrp_int_const_binop): Likewise.
9215         (extract_range_from_binary_expr): Likewise.
9216         (extract_range_from_unary_expr): Likewise.
9217         (extract_range_from_comparison): Likewise.
9218         (extract_range_from_expr): Likewise.
9219         (dump_value_range): Likewise.
9220         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
9221         (test_for_singularity): Likewise.
9222         (vrp_int_const_binop): Remove inline qualifier.
9223         (adjust_range_with_scev): Add comment.
9224         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
9226 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
9228         * tree-ssa-structalias.c (could_have_pointers): Tidy.
9229         (get_constraint_for): Likewise.
9230         (do_structure_copy): Likewise.
9231         (find_func_aliases): Fix references to MODIFY_EXPR.
9232         (intra_create_variable_infos): Tidy.
9233         * tree-ssa-operands.c (add_virtual_operand): Add argument
9234         IS_CALL_SITE.
9235         When adding members of alias sets, if IS_CALL_SITE is true and
9236         the symbol is not call-clobbered, skip it.
9237         Adjust all callers.
9239 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
9241         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
9242         entry by means of emit_insn_at_entry.
9244 2007-03-02  Richard Henderson  <rth@redhat.com>
9246         * expr.h (promoted_input_arg): Remove decl.
9247         * function.c (promoted_input_arg): Merge into ...
9248         * combine.c (setup_incoming_promotions): ... only caller.
9249         Rearrange to avoid double loop.
9251 2007-03-02  Ben Elliston  <bje@au.ibm.com>
9252             Peter Bergner  <bergner@vnet.ibm.com>
9253             Janis Johnson  <janis187@us.ibm.com>
9255         * config/rs6000/dfp.md: New file.
9256         * config/rs6000/rs6000.md: Include dfp.md.
9257         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
9258         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
9259         and TDmode decimal float modes in FP registers.
9260         (num_insns_constant): Likewise.
9261         (rs6000_legitimate_offset_address_p): Likewise.
9262         (rs6000_legitimize_address): Likewise.
9263         (rs6000_legitimize_reload_address): Likewise.
9264         (rs6000_legitimate_address): Likewise.
9265         (rs6000_emit_move): Likewise.
9266         (function_arg_boundary): Likewise.
9267         (function_arg_advance): Likewise.
9268         (rs6000_darwin64_record_arg_recurse): Likewise.
9269         (function_arg): Likewise.
9270         (rs6000_gimplify_va_arg): Likewise.
9271         (rs6000_split_multireg_move): Likewise.
9272         (rs6000_output_function_epilogue): Likewise.
9273         (rs6000_output_function_epilogue): Likewise.
9274         (rs6000_register_move_cost): Likewise.
9275         (rs6000_function_value): Likewise.
9276         (rs6000_libcall_value): Likewise.
9278 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
9280         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
9282 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
9284         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
9285         Use $MULTIDIR to choose between the kernel and RTP headers,
9286         and use $WIND_BASE and $WIND_USR to locate them.
9288 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
9290         * config/i386/i386.c (override_options): Put initialization of
9291         ix86_tune_mask and ix86_arch_mask to the correct place.
9293 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
9294             Michael Meissner  <michael.meissner@amd.com>
9296         PR target/31019
9297         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
9298         (ARCHMASK): Define.
9299         (TARGET_CMOVE): Use ARCHMASK.
9300         (TARGET_CMPXCHG): Ditto.
9301         (TARGET_CMPXCHG8B): Ditto.
9302         (TARGET_XADD): Ditto.
9303         (TARGET_BSWAP): Ditto.
9304         * config/i386/i386.c (ix86_tune_mask): New global variable.
9305         (ix86_arch_mask): Ditto.
9306         (override_options): Initialize ix86_tune_mask and
9307         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
9308         target_flags.
9310 2007-03-02  Ben Elliston  <bje@au.ibm.com>
9312         PR 30992
9313         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
9315 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
9317         * target.h (init_dwarf_reg_sizes_extra): New target hook.
9318         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
9319         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
9320         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
9321         hook.
9322         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
9323         rs6000_init_dwarf_reg_sizes_extra): New.
9324         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
9325         SPE register high parts.
9327 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
9329         * Makefile.in: Add install-pdf target as
9330         copied from automake v1.10 rules.
9331         * configure.ac: Add install-pdf to target list.
9332         * configure: Regenerate.
9334 2007-03-01  Paul Brook  <paul@codesourcery.com>
9336         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
9337         modes to LDRD for DImode.
9338         (output_move_double): Fixup out of range ldrd/strd.
9339         (vfp_secondary_reload_class): Rename...
9340         (coproc_secondary_reload_class): ... to this.  Add wb argument.
9341         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
9342         coproc_secondary_reload_class for CLASS_IWMMXT.
9343         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
9344         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
9346 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
9348         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
9349         factor by the estimated number of iterations.
9350         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
9351         prefetch latency.
9353         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
9354         decode_caches_intel, detect_caches_intel): New functions.
9355         (host_detect_local_cpu): Use detect_caches_amd and
9356         detect_caches_intel.
9358 2007-03-01  Richard Henderson  <rth@redhat.com>
9360         * expr.c (emit_move_complex_push): Export.
9361         (emit_move_complex_parts): Split out from ...
9362         (emit_move_complex): ... here.
9363         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
9364         * config/i386/i386.md (movcdi): New.
9366 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
9368         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
9369         size of mode1 to check for tieable modes in MMX case.
9371 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
9373         * Makefile.in (rtlanal.o): Depend on tree.h.
9374         * rtl.h (offset_within_section_p, split_const): Declare.
9375         * rtlanal.c: Include tree.h.
9376         (offset_within_block_p): New function, taken from
9377         mips_offset_within_object_p.
9378         (split_const): New function, taken from mips_split_const.
9379         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
9380         Declare.
9381         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9382         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
9383         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
9384         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9385         (m68k_illegitimate_symbolic_constant_p): New function.
9386         * config/m68k/m68k.md (movsi): Remove misleading predicates.
9387         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
9388         symbolic constant that might be outside the symbol's section,
9389         move the symbol first and then add the offset.
9390         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
9391         Override.
9392         * config/mips/mips.c (mips_split_const): Delete.
9393         (mips_offset_within_object_p): Delete.
9394         (mips_symbolic_constant_p): Use offset_within_section_p and
9395         split_const instead of mips_offset_within_object_p and
9396         mips_split_const.
9397         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
9398         (mips_legitimize_const_move, print_operand_reloc)
9399         (mips_dangerous_for_la25_p): Use split_const instead of
9400         mips_split_const.
9402 2007-02-28  Eric Christopher  <echristo@apple.com>
9404         * Makefile.in (install-include-dir): Don't rm -rf include.
9406 2007-02-28  Richard Guenther  <rguenther@suse.de>
9408         PR middle-end/30364
9409         * fold-const.c (fold_binary): Do not associate expressions
9410         with more than one variable for integer types that do not wrap.
9412 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
9414         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
9415         Delete, and replace with...
9416         (fold_builtin_call_array): This.  Update callers to use it.
9417         * fold-const.c (fold_build_call_list): Delete, and replace with...
9418         (fold_build_call_array): This.
9419         (fold_build_call_list_initializer): Delete, and replace with...
9420         (fold_build_call_array_initializer): This.
9421         * tree.h: Update declarations to reflect above changes.
9423         * c-typeck.c (build_function_call): Store converted arguments
9424         in a stack-allocated array instead of building a list.
9425         (convert_arguments): Store arguments in the array passed in as an
9426         argument, and return the actual number of arguments.
9427         * c-format.c: (check_function_format): Pass arguments in an
9428         array instead of a list.
9429         * c-common.c (check_function_nonnull): Likewise.
9430         (check_function_sentinel): Likewise.
9431         (check_function_arguments): Likewise.
9432         * c-common.h: Update declarations to reflect above changes.
9434 2007-02-28  Jan Hubicka  <jh@suse.cz>
9436         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
9437         PRED_NEGATIVE_RETURN): Update outcomes.
9439 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
9441         * calls.c (emit_library_call_value_1): Handle partial registers
9442         correctly when building up CALL_INSN_FUNCTION_USAGE.
9444 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9446         * pa/predicates.md (move_src_operand): Allow zero for mode.
9447         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
9448         move pattern.
9450 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
9452         PR target/30970
9453         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
9454         *movv2df_internal): Enable pattern only for valid operand
9455         combinations.
9456         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
9457         tie only 128bit modes. For MMX registers, tie only 64bit modes.
9459 2007-02-27  Mike Stump  <mrs@apple.com>
9461         * config/darwin-crt3.c: Avoid compilation when compiling for a
9462         kext multilib.
9464 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
9466         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
9467         FIXED_INCLUDE_DIR.
9468         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
9469         for fixed headers and limits.h.
9470         (install-include-dir, install-headers-tar, install-headers-cpio,
9471         install-headers-cp, real-install-headers-tar,
9472         real-install-headers-cpio, real-install-headers-cp): Handle
9473         include-fixed as well as include.
9474         (install-mkheaders): Don't install files that go only in include
9475         not include-fixed.
9476         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
9477         from GCC_INCLUDE_DIR.
9478         * gcc.c (process_command): Remove special -BstageN/ handling.
9479         (do_spec_1): Add include-fixed directories.
9481 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
9483         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
9484         _smulsi3_highpart.
9485         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
9486         New functions.
9487         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
9488         patterns.
9490 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
9492         * c-common.c (get_priority): Add check for
9493         SUPPORTS_INIT_PRIORITY.
9495 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
9497         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
9499         * config/bfin/bfin.c: Include "cfglayout.h".
9500         (MAX_LSETUP_DISTANCE): New macro.
9501         (struct loop_info): New members incoming, incoming_src and
9502         incoming_dest.  Delete member predecessor.
9503         (length_for_loop): New function.
9504         (bfin_optimize_loop): Handle more different loop structures.
9505         (bfin_discover_loop): Rework detection of predecessor blocks by
9506         examining incoming edges.
9507         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
9508         bfin_reorg_loops.
9509         (bfin_reorder_loops): New function.
9510         (bfin_reorg_loops): Use these three new functions.
9512         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
9513         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
9514         (CONSTRAINT_LEN): Add entry for 'q'.
9515         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
9516         Add 'q' constraints.
9517         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
9518         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
9520         * config/bfin/bfin.md (add_with_carry): New pattern.
9521         (s_or_u, su_optab, su_modifier): New code macros/attrs.
9522         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
9523         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
9524         support unsigned multiplies too.  Removed incorrect commutativity from
9525         operand 1 constraint where appropriate.
9526         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
9527         patterns.
9528         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
9529         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
9530         New patterns.
9531         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
9532         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
9533         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
9534         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
9535         usmulhisi_hh_huh): New patterns.
9537         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
9538         lshifthi3): Fix output template to use half reg for operand 2.
9540         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
9541         instead of R2.
9543         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
9545 2007-02-27  Andreas Schwab  <schwab@suse.de>
9547         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
9549 2007-02-27  Jan Hubicka  <jh@suse.cz>
9551         * predict.c (last_basic_block_p): Remove.
9552         (tree_estimate_probability): Update return heuristic for commonized
9553         return blocks.
9555 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
9557         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
9559 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
9561         * doc/include/gcc-common.texi (versionsubtitle): New macro.
9562         * doc/cpp.texi: Standardize title page.
9563         * doc/cppinternals.texi: Likewise.
9564         * doc/gcc.texi: Standardize title page, remove version number
9565         from copyright page.
9566         * doc/gccint.texi: Likewise.
9567         * doc/install.texi: Standardize title page, add table of
9568         contents.
9570 2007-02-26  Jan Hubicka  <jh@suse.cz>
9572         * predict.def: Set outcomes according to more recent results.
9573         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
9574         Remove dead predictors.
9575         * predict.c (return_prediction): Fix pasto.
9577 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
9579         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
9580         change; avoid a memory leak when returning early.
9582 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
9584         * c-decl.c (static_ctors): Move to c-common.c.
9585         (static_dtors): Likewise.
9586         (finish_function): Use c_record_cdtor_fn.
9587         (build_cdtor): Move to c-common.c.
9588         (c_write_global_declarations): Use c_build_cdtor_fns.
9589         * c-common.h (static_ctors): Declare.
9590         (static_dtors): Likewise.
9591         (c_record_cdtor_fn): Likewise.
9592         (c_build_cdtor_fns): Likewise.
9593         * c-common.c (static_ctors): New variable.
9594         (static_dtors): Likewise.
9595         (c_record_cdtor_fn): New function.
9596         (build_cdtor): Move from c-decl.c
9597         (c_build_cdtor_fns): New function.
9599         * output.h (assemble_addr_to_section): Declare.
9600         (get_cdtor_priority_section): Likewise.
9601         * varasm.c (assemble_addr_to_section): New function.
9602         (get_cdtor_priority_section): Likewise.
9603         (default_named_section_asm_out_destructor): Use them.
9604         (destor_dtor_section_asm_out_destructor): Likewise.
9605         (default_named_section_asm_out_constructor): Likewise.
9606         (default_ctor_section_asm_out_constructor): Likewise.
9607         * config.gcc (*-*-vxworks*): Include vxworks.o.
9608         * config/t-vxworks (vxworks.o): New target.
9609         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
9610         (TARGET_ASM_CONSTRUCTOR): Define.
9611         (TARGET_ASM_DESTRUCTOR): Likewise.
9612         (vxworks_asm_out_constructor): Declare.
9613         (vxworks_asm_out_destructor): Likewise.
9615         * c-common.c (get_priority): Check that we have not just an
9616         INTEGER_CST, but an integer constant with integeral type.
9618 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
9620         PR tree-optimization/30938
9621         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
9622         use &dt[nargs-1] instead of &dt[nargs] in the call to
9623         vect_is_simple_use().
9625 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
9627         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
9628         from register elimination as PRE_MODIFY / POST_MODIFY increments.
9629         Do not attempt to handle MEM inside auto-inc expressions.
9630         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
9631         of a register modified by an auto-inc expression.  However, do handle
9632         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
9633         (elimination_effects): Prohibit elimination of a register modified
9634         by an auto-inc expression.  Disable register elimination rules whose
9635         target register is modified by an auto-inc expression with variable
9636         increment.
9638 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
9640         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
9641         off-by-one error.
9642         (array_at_struct_end_p): New function.
9643         (idx_infer_loop_bounds): Use it.
9644         (estimate_numbers_of_iterations_loop): Export.
9645         * predict.c (predict_loops): Use estimated_loop_iterations_int.
9646         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
9647         (tree_estimate_probability): Call record_loop_exits.
9648         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
9649         (estimated_loop_iterations, estimated_loop_iterations_int,
9650         estimated_loop_iterations_tree): New functions.
9651         (analyze_siv_subscript_cst_affine,
9652         compute_overlap_steps_for_affine_1_2,
9653         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
9654         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
9655         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
9656         (PRED_LOOP_ITERATIONS_GUESSED): New.
9657         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
9658         * cfgloop.h (estimate_numbers_of_iterations_loop,
9659         estimated_loop_iterations_int): Declare.
9661 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
9663         * doc/extend.texi: Document optional priority argument to
9664         constructors and destructors.
9665         * tree.c (init_priority_for_decl): Adjust GTY markers.
9666         (init_ttree): Use priority-info hash functions for
9667         init_priority_for_decl.
9668         (tree_map_eq): Rename to ...
9669         (tree_map_base_eq): ... this.
9670         (tree_map_marked_p): Rename to ...
9671         (tree_map_base_marked_p): ... this.
9672         (tree_map_base_hash): New function.
9673         (decl_init_priority_lookup): Rework.
9674         (decl_fini_priority_lookup): New function.
9675         (decl_priority_info): New function.
9676         (decl_init_priority_insert): Use it.
9677         (decl_fini_priority_insert): Likewise.
9678         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
9679         hierarchy.
9680         (decl_restrict_base_insert): Likewise.
9681         (decl_debug_expr_insert): Likewise.
9682         (decl_value_expr_lookup): Likewise.
9683         (decl_value_expr_insert): Likewise.
9684         * tree.h (priority_type): New type.
9685         (decl_init_priority_lookup): Use priority_type.
9686         (decl_fini_priority_lookup): New function.
9687         (decl_init_priority_insert): Use priority_type.
9688         (decl_fini_priority_insert): New function.
9689         (DECL_HAS_INIT_PRIORITY): Tweak comments.
9690         (DECL_INIT_PRIORITY): Likewise.
9691         (SET_DECL_INIT_PRIORITY): Add comment.
9692         (DECL_FINI_PRIORITY): New macro.
9693         (SET_DECL_FINI_PRIORITY): Likewise.
9694         (DEFAULT_INIT_PRIORITY): Document.
9695         (MAX_INIT_PRIORITY): Likewise.
9696         (MAX_RESERVED_INIT_PRIORITY): Likewise.
9697         (tree_map_base): New type.
9698         (tree_map_base_eq): New function.
9699         (tree_map_base_hash): Likewise.
9700         (tree_map_base_marked_p): Likewise.
9701         (tree_map): Inherit from tree_map_base.
9702         (tree_map_eq): Make it a macro.
9703         (tree_map_marked_p): Likewise.
9704         (tree_int_map): Inherit from tree_map_base.
9705         (tree_int_map_eq): Make it a macro.
9706         (tree_int_map_hash): Likewise.
9707         (tree_int_map_marked_p): Likewise.
9708         (tree_priority_map): New type.
9709         (tree_priority_map_eq): New macro.
9710         (tree_priority_map_hash): Likewise.
9711         (tree_priority_map_marked_p): Likewise.
9712         * varasm.c (emults_decl): Adjust for refactoring of tree_map
9713         hierarchy.
9714         (emutls_common_1): Likewise.
9715         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
9716         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
9717         of tree_map hierarchy.
9718         * tree-cfg.c (move_stmt_r): Likewise.
9719         (new_label_mapper): Likewise.
9720         * c-tree.h (c_expand_body): Move to ...
9721         * c-common.h (c_expand_body): ... here.
9722         * c-decl.c (c_expand_body): Move to ...
9723         * c-common.c (c_expand_body): ... here.
9724         (c_common_attribute_table): Allow 1 argument for the constructor
9725         and destructor attributes.
9726         (get_priority): New function.
9727         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
9728         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
9730 2007-02-24  Jan Hubicka  <jh@suse.cz>
9732         PR middle-end/30509
9733         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
9735 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
9736             Jan Hubicka  <jh@suse.cz>
9738         PR target/30778
9739         * i386.c (counter_mode): New function.
9740         (expand_set_or_movmem_via_loop): Use it.
9741         (expand_movmem_epilogue): Likewise; fix pasto.
9742         (ix86_expand_movmem): Do emit guard even for constant counts.
9743         (ix86_expand_setmem): Likewise.
9745 2007-02-25  Nick Clifton  <nickc@redhat.com>
9747         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
9748         (JUMP_TABLES_IN_TEXT_SECTION): Define.
9750 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
9752         PR target/30770
9753         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
9754         count argument with 0x10, not with 0x16.
9755         (expand_setmem_epilogue): Ditto.
9757 2007-02-24  Mike Stump  <mrs@apple.com>
9759         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
9760         symbols.
9762 2007-02-24  Richard Guenther  <rguenther@suse.de>
9764         PR middle-end/30951
9765         * fold-const.c (fold_binary): Fold x +- CST op x for
9766         EQ_EXPR and NE_EXPR.
9768 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9770         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
9772 2007-02-24  Jan Hubicka  <jh@suse.cz>
9774         * cgraphunit.c (decide_is_function_needed): Honor
9775         -fkeep-inline-functions.
9777 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9779         * builtins.c (fold_builtin_modf): New.
9780         (fold_builtin_2): Use it.
9782 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
9784         * loop-iv.c (implies_p): Detect additional cases where A implies B.
9785         (determine_max_iter): Take additional LOOP arg; all callers changed.
9786         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
9787         one using simplifications.
9788         (simplify_using_initial_values): Return if the expression becomes
9789         invalid due to altered regs.
9791 2007-02-23  DJ Delorie  <dj@redhat.com>
9793         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
9795 2007-02-23  Mike Stump  <mrs@apple.com>
9797         * tlink.c (scan_linker_output): Parse linker messages from
9798         darwin9's linker better.
9800 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
9802         PR debug/29614
9803         * varpool.c (varpool_assemble_pending_decls):  Set
9804         varpool_last_needed_node to null.
9806 2007-02-23  DJ Delorie  <dj@redhat.com>
9808         * config/i386/i386.c (ix86_data_alignment): Don't specify an
9809         alignment bigger than the object file can handle.
9811 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
9813         PR target/30825
9814         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
9815         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
9816         (*movsf_1): Penalize MMX moves.
9818 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9820         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
9821         2^32-1 or more times unless flag_unsafe_loop_optimizations.
9823         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
9825 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9827         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
9828         (fold_builtin_1): Use them.
9829         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
9830         BUILT_IN_SIGNIFICAND.
9832 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
9834         * config/i386/i386.c (bdesc_1arg): Initialize
9835         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
9836         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
9837         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
9838         and IX86_BUILTIN_MOVSLDUP.
9840 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
9842         PR rtl-optimization/30841
9843         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
9845 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9847         * builtins.c (fold_builtin_frexp): New.
9848         (fold_builtin_2): Use it.
9850 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
9852         * doc/invoke.texi (Spec Files): Document getenv spec function.
9854         * gcc.c (getenv_spec_function): New function.
9855         (static_spec_functions): Add it.
9856         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
9857         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
9858         header files.
9860 2007-02-22  Michael Matz  <matz@suse.de
9862         PR c++/29433
9863         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
9864         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
9866 2007-02-22  Ian Lance Taylor  <iant@google.com>
9868         PR debug/30898
9869         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
9870         (mem_loc_descriptor): Call it.
9872 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
9873             Ira Rosen  <irar@il.ibm.com>
9875         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
9877 2007-02-22  Ira Rosen  <irar@il.ibm.com>
9879         PR tree-optimization/30843
9880         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
9881         stores only after all the group is vectorized.
9883 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
9885         PR tree-optimization/30858
9886         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
9887         in the reduction cycle have a single use in the loop.
9888         * tree-vectorizer.h (relevant): Add documentation.
9890 2007-02-20  Mike Stump  <mrs@apple.com>
9892         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
9893         * configure: Regenerate.
9895 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
9897         Change the defaults of some parameters and options.
9898         * config/spu/spu-protos.h (spu_optimization_options): Declare.
9899         * config/spu/spu.c (spu_optimization_options): Add.
9900         (spu_override_options): Change params in spu_optimization_options.
9901         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
9903         Register 127 is only 16 byte aligned when used as a frame pointer.
9904         * config/spu/spu-protos.h (spu_init_expanders): Declare.
9905         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
9906         HARD_FRAME_POINTER_REGNUM.
9907         (spu_legitimate_address):  Use regno_aligned_for_reload.
9908         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
9909         aligned when frame_pointer_needed is true.
9910         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
9911         to 8 bits.
9912         * config/spu/spu.h (INIT_EXPANDERS): Define.
9914         Make sure shift and rotate instructions have valid immediate operands.
9915         * config/spu/predicates.md (spu_shift_operand): Remove.
9916         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
9917         * config/spu/constraints.md (W, O): Extend range.
9918         * config/spu/spu.md (umask, nmask): Define.
9919         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
9920         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
9921         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
9922         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
9923         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
9924         (lshr<mode>3_reg):  Fix rtl description.
9926         Make sure mulhisi immediate operands are valid.
9927         * config/spu/predicates.md (imm_K_operand): Add.
9928         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
9930         Generate constants using fsmbi and andi.
9931         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
9932         (print_operand, spu_split_immediate, classify_immediate,
9933         fsmbi_const_p): Handle IC_FSMBI2.
9935         Correctly handle a CONST_VECTOR containing symbols.
9936         * config/spu/spu.c (print_operand): Handle HIGH correctly.
9937         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
9938         (immediate_load_p): Allow symbols that use 2 instructions to create.
9939         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
9940         with symbols when flag_pic is set.
9941         (const_vector_immediate_p): New.
9942         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
9943         accept a CONST_VECTOR with symbols.
9944         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
9945         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
9946         correctly.
9947         * config/spu/spu.md (high, low): Delete.
9948         (low_<mode>): Define.
9950         Remove INTRmode and INTR_REGNUM, which didn't work.
9951         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
9952         of INTR_REGNUM.
9953         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
9954         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
9955         peephole2 pattern): Don't use INTR or 131.
9956         (movintrcc): Delete.
9957         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
9958         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
9959         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
9960         (UNSPEC_SET_INTR): Add.
9961         * config/spu/spu-modes.def (INTR): Remove.
9963         More accurate warnings about run-time relocations.
9964         * config/spu/spu.c (reloc_diagnostic): Test in_section.
9966         Correctly warn about immediate arguments to specific intrinsics.
9967         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
9968         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
9969         the instruction predicate.
9971         Fix tree check errors with latest update.
9972         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
9973         CALL_EXPR_ARG.
9974         (spu_expand_builtin): Use CALL_EXPR_FN.
9976         Add missing specific intrinsics.
9977         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
9978         si_bislede.
9979         * config/spu/spu_internals.h: Ditto.
9981         Fix incorrect operand modifiers.
9982         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
9983         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
9985         Optimize one case of zero_extend of a vec_select.
9986         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
9988         Accept any immediate for hbr.
9989         * config/spu/spu.md (hbr):  Change s constraints to i.
9991 2007-02-21  Paul Brook  <paul@codesourcery.com>
9993         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
9994         condexec_count when skipping USE and CLOBBER.
9996 2007-02-21  Nick Clifton  <nickc@redhat.com>
9998         * common.opt (Warray-bounds): Add Warning attribute.
9999         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
10000         Likewise.
10001         (fsized-zeroes): Add Optimization attribute.
10002         (fsplit-wide-types, ftree-scev-cprop): Likewise.
10003         * c.opt (Wc++0x-compat): Add Warning attribute.
10005 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
10007         PR middle-end/30761
10008         * reload1.c (eliminate_regs_in_insn): In the single_set special
10009         case, attempt to re-recognize the insn before falling back to
10010         having reload fix it up.
10012 2007-02-20  Eric Christopher  <echristo@gmail.com>
10014         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
10015         Rewrite accordingly.
10016         (frv_read_iacc_argument): Ditto.
10017         (frv_expand_set_builtin): Take a call instead of arglist, update for
10018         above changes.
10019         (frv_expand_unop_builtin): Ditto.
10020         (frv_expand_binop_builtin): Ditto.
10021         (frv_expand_cut_builtin): Ditto.
10022         (frv_expand_binopimm_builtin): Ditto.
10023         (frv_expand_voidbinop_builtin): Ditto.
10024         (frv_expand_int_void2arg): Ditto.
10025         (frv_expand_prefetches): Ditto.
10026         (frv_expand_voidtriop_builtin): Ditto.
10027         (frv_expand_voidaccop_builtin): Ditto.
10028         (frv_expand_load_builtin): Ditto.
10029         (frv_expand_store_builtin): Ditto.
10030         (frv_expand_mdpackh_builtin): Ditto.
10031         (frv_expand_mclracc_builtin): Ditto.
10032         (frv_expand_mrdacc_builtin): Ditto.
10033         (frv_expand_mwtacc_builtin): Ditto.
10034         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
10035         calls for above.
10037 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
10039         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
10040         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
10041         cmpb instruction.
10042         (HAVE_GAS_DFP): Check for assembler support of decimal floating
10043         point instructions.
10044         * configure: Regenerate.
10045         * config.in: Regenerate.
10046         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
10047         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
10048         masks to power6 and power6x and to POWERPC_MASKS.
10049         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10050         _ARCH_PWR6.
10051         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
10052         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
10053         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
10054         Access PROTOTYPE as variable, not mask.
10056 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
10058         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
10059         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
10060         * combine.c (adjust_for_new_dest): Use it.
10061         * postreload.c (reload_combine): Likewise.
10063 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
10065         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
10066         notes on an insn with multiple sets, even if single_set returns
10067         non-NULL for that insn.
10069 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10071         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
10072         scalbn and scalbln.
10074 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
10076         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
10077         if user didn't pass it.
10078         * config/i386/darwin.h (CC1_SPEC): Likewise.
10079         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
10080         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
10081         -mmacosx-version-min.
10083 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10084             Uros Bizjak  <ubizjak@gmail.com>
10086         * optabs.h (enum optab_index): Add new OTI_scalb.
10087         (scalb_optab): Define corresponding macro.
10088         * optabs.c (init_optabs): Initialize scalb_optab.
10089         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
10090         patterns.
10091         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
10092         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
10093         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
10094         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
10095         flag_unsafe_math_optimizations is set.
10097         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
10098         to implement scalbf, scalb and scalbl built-ins as inline x87
10099         intrinsics.
10101 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10102             DJ Delorie <dj@redhat.com>
10104         PR other/30824
10105         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
10106         (diagnostic_report_diagnostic): ... here, and turn them into real
10107         errors. If warnings are inhibited, no need to do anything.
10109 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
10111         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
10112         better code generation.
10114 2007-02-20  Ben Elliston  <bje@au.ibm.com>
10116         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
10118 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
10120         * config/alpha/alpha.c, config/alpha/alpha.md,
10121         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
10122         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
10123         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
10124         config/arm/lib1funcs.asm: Follow spelling conventions.
10126         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
10127         config/fr30/fr30.md, config/i386/i386.h,
10128         config/iq2000/iq2000.h, config/iq2000/predicates.md,
10129         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
10130         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
10131         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
10132         config/rs6000/altivec.md, config/rs6000/rs6000.c,
10133         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
10134         config/sparc/sparc.c, config/sparc/sparc.h,
10135         config/sparc/sparc.md, config/spu/constraints.md,
10136         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
10137         conventions.
10139 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
10141         PR target/29943
10142         * varasm.c (use_blocks_for_decl_p): Return false for decls with
10143         alias attribute.
10145 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
10147         * doc/invoke.texi (-ftree-lrs): Remove.
10149 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
10151         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
10152         NULL.
10154 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
10156         * config/ia64/ia64.c (ia64_expand_builtin): Use the
10157         new CALL_EXPR_FN macro for retrieving the function
10158         declaration of the input expression.
10160 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10162         * c.opt (Waddress): New.
10163         * common.opt (Walways-true): Delete.
10164         (Wstring-literal-comparison): Delete.
10165         * doc/invoke.texi (Warning Options): Delete -Walways-true and
10166         -Wstring-literal-comparison. Add -Waddress.
10167         (Waddress): New.
10168         (Walways-true): Delete.
10169         (Wstring-literal-comparison): Delete.
10170         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
10171         consistently instead of -Walways-true in example.
10172         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
10173         * c-typeck.c (parser_build_binary_op): Replace
10174         -Wstring-literal-comparison and -Walways-true with -Waddress.
10175         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
10176         with -Waddress.
10178 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
10180         * tree-cfg.c (dump_function_to_file): Be prepared for functions
10181         without DECL_STRUCT_FUNCTION initialized.
10183 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
10185         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
10186         due to calls to functions taking pointers as parameters.
10188 2007-02-19  Richard Henderson  <rth@redhat.com>
10190         PR debug/29558
10191         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
10192         in memory.
10194 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
10196         * config/s390/s390.c (s390_call_saved_register_used,
10197         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
10198         accessed to the new scheme.
10200 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10202         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
10203         (cris_print_index, cris_print_operand, cris_print_operand_address)
10204         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
10205         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
10206         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
10207         GET_CODE () == xxx.
10208         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
10209         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
10210         GO_IF_LEGITIMATE_ADDRESS): Ditto.
10211         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
10212         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
10213         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
10214         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
10215         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
10216         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
10217         (uminsi3, call, call_value): Ditto.
10218         (define_split: indir_to_reg_split, unnamed): Ditto.
10220 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
10222         PR tree-optimization/30975
10223         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
10224         wrong assert.
10226 2007-02-18  Eric Christopher  <echristo@gmail.com>
10228         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
10229         Remove use of arglist.
10230         (mips_expand_builtin): Remove use of arglist, pass in expr.
10231         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
10232         (mips_expand_builtin_movtf): Ditto.
10233         (mips_expand_builtin_compare): Ditto.
10235 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
10237         * tree-sra.c (sra_build_assignment): Replace assertion
10238         checking with a comment explaining why it can't be done.
10240 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
10242         PR middle-end/30833
10243         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
10244         during CALL_EXPR representation conversion.
10245         * tree-ssa-propagate.c (set_rhs): Likewise.
10247 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
10249         * tree-sra.c (sra_build_assignment): Disable assertion checking
10250         for now.
10252 2007-02-18  Roger Sayle  <roger@eyesopen.com>
10254         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
10255         instead of calling build2 with a GIMPLE_MODIFY_STMT.
10256         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
10257         Likewise.
10258         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
10259         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
10260         gimplify_init_ctor_eval_range, gimple_push_cleanup,
10261         gimplify_omp_for, gimplify_omp_atomic_pipeline,
10262         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
10263         force_gimple_operand): Likewise.
10264         * ipa-cp.c (constant_val_insert): Likewise.
10265         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10266         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
10267         perfect_nestify): Likewise.
10268         * langhooks.c (lhd_omp_assignment): Likewise.
10269         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
10270         lower_copyprivate_clauses, lower_send_clauses,
10271         lower_send_shared_vars, expand_parallel_call,
10272         expand_omp_for_generic, expand_omp_for_static_nochunk,
10273         expand_omp_for_static_chunk, expand_omp_sections,
10274         lower_omp_single_copy, lower_omp_for_lastprivate,
10275         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
10276         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
10277         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
10278         Likewise.
10280 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
10282         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
10283         config/sh/sh.md: Follow spelling conventions.
10285         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
10286         config/frv/predicates.md: Follow spelling conventions.
10288         * config/m68k/linux-unwind.h: Fix a comment typo.
10289         * target.h: Follow spelling conventions.
10291 2007-02-18  Roger Sayle  <roger@eyesopen.com>
10293         PR rtl-optimization/28173
10294         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
10295         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
10296         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
10297         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
10298         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
10300 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10302         * builtins.c (fold_builtin_load_exponent): New.
10303         (fold_builtin_2): Use it.
10305 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
10307         PR rtl-optimization/30773
10308         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
10309         if we fail to attach a REG_EQUIV note.
10311 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
10312             Roger Sayle  <roger@eyesopen.com>
10314         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
10316 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
10318         * calls.c (initialize_argument_information): Pass original EXP
10319         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
10320         code to split complex arguments here, as part of initializing the
10321         ARGS array.
10322         (expand_call): Remove code that builds a list of arguments and
10323         inserts implicit arguments into it.  Instead, just count how many
10324         implicit arguments there will be so we can determine the size of
10325         the ARGS array, and let initialize_argument_information do the work.
10326         (split_complex_values): Delete unused function.
10328 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
10330         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
10332 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
10334         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
10335         for arg pointer based indexed addressing.
10337 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
10339         * config/ia64/ia64.h, config/ia64/ia64.md,
10340         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
10341         spelling conventions.
10343 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
10345         * config/m68k/m68k.c (split_di): New.
10346         * config/m68k/m68k-protos.h: Declare split_di.
10347         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
10348           Improve predicate handling and split constant shifts.
10350 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
10352         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
10353         parameter for register bitfield operations, general predicates
10354         cleanup
10356 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
10358         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
10359         * config/m68k/linux-unwind.h: New file.
10361 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
10363         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
10364         config/i386/athlon.md, config/ia64/ia64.md,
10365         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
10366         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
10367         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
10368         tree-ssa-loop-niter.c, tree-vect-analyze.c,
10369         tree-vect-transform.c: Fix comment typos.
10371 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
10373         * sched-deps.c (find_insn_list): Remove.
10374         * sched-int.h: Remove the prototype for find_insn_list.
10376 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
10378         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
10379         to linker.
10380         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
10381         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
10382         darwin_rs6000_override_options.
10383         (C_COMMON_OVERRIDE_OPTIONS): Expect
10384         darwin_macosx_version_min to be non-NULL always.
10385         (TARGET_C99_FUNCTIONS): Likewise.
10386         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
10387         (DARWIN_MINVERSION_SPEC): New.
10388         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
10389         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
10390         to cc1*.
10391         (DARWIN_MINVERSION_SPEC): New.
10392         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
10393         value.
10394         * config/darwin-c.c (darwin_cpp_builtins): Expect
10395         darwin_macosx_version_min to be non-NULL always.
10397         * config/rs6000/rs6000.c: Clean up trailing whitespace.
10399 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
10401         * config/i386/i386.h (x86_use_xchgb): New.
10402         (TARGET_USE_XCHGB): New macro.
10403         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
10404         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
10405         Split after reload into bswaphi for shifts of 8.
10406         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
10407         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
10408         or when optimizing for size.
10410 2007-02-16  Richard Guenther  <rguenther@suse.de>
10411             Christian Bruel  <christian.bruel@st.com>
10413         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
10414         DECLs but prefer SSA_NAMEs over DECLs.
10416 2007-02-16  Richard Guenther  <rguenther@suse.de>
10418         * tree-flow-inline.h (single_imm_use_p): Remove.
10419         (zero_imm_uses_p): Likewise.
10420         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
10421         instead of single_imm_use_p.
10422         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
10423         zero_imm_uses_p.
10425 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10427         PR other/27843
10428         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
10429         nested double- and backquotes.
10431 2007-02-15  Roger Sayle  <roger@eyesopen.com>
10433         PR middle-end/30391
10434         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
10435         should be unreachable.
10436         (build2_stat): Allow construction of MODIFY_EXPR at any time.
10437         For the time being redirect GIMPLE_MODIFY_STMT to the new
10438         (renamed) build_gimple_modify_stmt_stat.
10439         (build2_gimple_stat): Rename to...
10440         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
10441         Always build a GIMPLE_MODIFY_STMT node.
10442         * tree.h (build2_gimple, build2_gimple_stat): Delete.
10443         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
10444         declarations.
10446         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
10447         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
10448         * tree-complex.c (set_component_ssa_name, expand_complex_move,
10449         expand_complex_div_wide): Likewise.
10450         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
10451         * tree-ssa-loop-im.c (schedule_sm): Likewise.
10452         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
10453         * tree-ssa-loop-manip.c (create_iv): Likewise.
10454         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
10455         abs_replacement): Likewise.
10456         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
10457         realify_fake_stores): Likewise.
10459         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
10460         node rather than a GIMPLE_MODIFY_STMT node.
10461         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
10462         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
10463         Likewise.
10464         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
10465         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
10466         GIMPLE_MODIFY_STMT.
10468 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10470         PR middle-end/30433
10471         * fold-const.c (fold_comparison): Add back the
10472         folding of constant complex comparisions.
10474 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10476         PR middle-end/30729
10477         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
10478         effects unknown to this function, return early.
10480 2007-02-15  Ian Lance Taylor  <iant@google.com>
10482         * lower-subreg.c (move_eh_region_note): New static function.
10483         (resolve_simple_move): Call it.
10484         (decompose_multiword_subregs): Track blocks for which we resolve a
10485         simple move which is also a control flow insn.  Pass them to
10486         find_many_sub_basic_blocks.
10487         (pass_lower_subreg): Add TODO_verify_flow.
10488         (pass_lower_subreg2): Likewise.
10490 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
10491             Brooks Moses  <brooks.moses@codesourcery.com>
10492             Lee Millward  <lee.millward@codesourcery.com>
10494         * tree.h (enum tree_code_class): Add tcc_vl_exp.
10495         (VL_EXP_CLASS_P): New.
10496         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
10497         TREE_CODE_LENGTH.
10498         (TREE_OPERAND_CHECK_CODE): Likewise.
10499         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
10500         (TREE_RTL_OPERAND_CHECK): Likewise.
10501         (tree_operand_check_failed): Make second parameter the whole tree
10502         instead of its code.  Fixed callers.
10503         (VL_EXP_CHECK): New.
10504         (TREE_OPERAND_LENGTH): New.
10505         (VL_EXP_OPERAND_LENGTH): New.
10506         (CALL_EXPR_FN): New.
10507         (CALL_EXPR_STATIC_CHAIN): New.
10508         (CALL_EXPR_ARGS): New.
10509         (CALL_EXPR_ARG): New.
10510         (call_expr_nargs): New.
10511         (CALL_EXPR_ARGP): New.
10512         (build_nt_call_list): Declare.
10513         (build_vl_exp_stat): Declare.
10514         (build_vl_exp): New.
10515         (build_call_list): Declare.
10516         (build_call_nary): Declare.
10517         (build_call_valist): Declare.
10518         (build_call_array): Declare.
10519         (call_expr_arg): Declare.
10520         (call_expr_argp): Declare.
10521         (call_expr_arglist): Declare.
10522         (fold_build_call_list): Declare.
10523         (fold_build_call_list_initializer): Declare.
10524         (fold_call_expr): Declare to replace fold_builtin.
10525         (fold_builtin_fputs): Update to agree with modified definition.
10526         (fold_builtin_strcpy): Likewise.
10527         (fold_builtin_strncpy): Likewise.
10528         (fold_builtin_memory_chk): Likewise.
10529         (fold_builtin_stxcpy_chk): Likewise.
10530         (fold_builtin_strncpy_chk): Likewise.
10531         (fold_builtin_next_arg): Likewise.
10532         (fold_build_call_expr): Declare.
10533         (fold_builtin_call_list): Declare.
10534         (fold_builtin_call_valist): Declare.
10535         (build_call_expr): Declare.
10536         (validate_arglist): Update to agree with modified definition.
10537         (tree_operand_length): New.
10538         (call_expr_arg_iterator): New.
10539         (init_call_expr_arg_iterator): New.
10540         (next_call_expr_arg): New.
10541         (first_call_expr_arg): New.
10542         (more_call_expr_args_p): New.
10543         (FOR_EACH_CALL_EXPR_ARG): New.
10545         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
10546         and tcc_gimple_stmt.
10547         (tree_code_size): Update documentation.  Use sizeof (tree) rather
10548         than sizeof (char *).
10549         (tree_size): Likewise.  Add case for tcc_vl_exp.
10550         (tree_node_structure): Add case for tcc_vl_exp.
10551         (contains_placeholder_p): Likewise.
10552         (substitute_in_expr): Likewise.
10553         (substitute_placeholder_in_expr): Likewise.
10554         (stabilize_reference_1): Likewise.
10555         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
10556         to diagnose breakage of this interface for constructing CALL_EXPRs.
10557         (build_nt): Add similar assertion here.
10558         (build_nt_call_list): New.
10559         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
10560         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
10561         TREE_CODE_LENGTH.
10562         (get_callee_fndecl): Use new CALL_EXPR accessors.
10563         (tree_operand_check_failed): Change parameters to pass entire node
10564         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
10565         (process_call_operands): New.
10566         (build_vl_exp_stat): New.
10567         (build_call_list): New.
10568         (build_call_nary): New.
10569         (build_call_valist): New.
10570         (build_call_array): New.
10571         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
10572         (call_expr_arglist): New.
10574         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
10575         tcc_vl_exp instead of a fixed-size tcc_expression.
10577         * doc/c-tree.texi (CALL_EXPR): Document new representation and
10578         accessors for CALL_EXPRs.
10579         (AGGR_INIT_EXPR): Likewise.
10581 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
10582             Brooks Moses  <brooks.moses@codesourcery.com>
10583             Lee Millward  <lee.millward@codesourcery.com>
10585         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
10586         (expand_builtin_nonlocal_goto): Change parameter to be entire
10587         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
10588         (expand_builtin_prefetch): Likewise.
10589         (expand_builtin_classify_type): Likewise.
10590         (mathfn_built_in): Return NULL_TREE instead of 0.
10591         (expand_errno_check): Use new CALL_EXPR accessors.
10592         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
10593         Return NULL_RTX instead of 0.
10594         (expand_builtin_mathfn_2): Likewise.
10595         (expand_builtin_mathfn_3): Likewise.
10596         (expand_builtin_interclass_mathfn): Likewise.
10597         (expand_builtin_sincos): Likewise.
10598         (expand_builtin_cexpi): Likewise.
10599         (expand_builtin_int_roundingfn): Likewise.
10600         (expand_builtin_int_roundingfn_2): Likewise.
10601         (expand_builtin_pow): Likewise.
10602         (expand_builtin_powi): Likewise.
10603         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
10604         of arglist, fixing callers appropriately.  Use new CALL_EXPR
10605         accessors and constructors.  Return NULL_RTX instead of 0.
10606         (expand_builtin_strstr): Likewise.
10607         (expand_builtin_strchr): Likewise.
10608         (expand_builtin_strrchr): Likewise.
10609         (expand_builtin_strpbrk): Likewise.
10610         (expand_builtin_memcpy): Likewise.
10611         (expand_builtin_mempcpy): Likewise.
10612         (expand_builtin_mempcpy_args): New.
10613         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
10614         (expand_builtin_memmove_args): New.
10615         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
10616         (expand_movstr): Likewise.
10617         (expand_builtin_strcpy): Likewise.
10618         (expand_builtin_strcpy_args): New.
10619         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
10620         (expand_builtin_strncpy): Likewise.
10621         (expand_builtin_memset): Likewise.
10622         (expand_builtin_memset_args): New.
10623         (expand_builtin_bzero): Similarly to expand_builtin_memset.
10624         (expand_builtin_memcmp): Likewise.
10625         (expand_builtin_strcmp): Likewise.
10626         (expand_builtin_strncmp): Likewise.
10627         (expand_builtin_strcat): Likewise.
10628         (expand_builtin_strncat): Likewise.
10629         (expand_builtin_strspn): Likewise.
10630         (expand_builtin_strcspn): Likewise.
10631         (expand_builtin_args_info): Likewise.
10632         (expand_builtin_va_start): Likewise.
10633         (gimplify_va_arg_expr): Likewise.
10634         (expand_builtin_va_end): Likewise.
10635         (expand_builtin_va_copy): Likewise.
10636         (expand_builtin_frame_address): Likewise.
10637         (expand_builtin_alloca): Likewise.
10638         (expand_builtin_bswap): Likewise.
10639         (expand_builtin_unop): Likewise.
10640         (expand_builtin_fputs): Likewise.
10641         (expand_builtin_expect): Likewise.
10642         (expand_builtin_fabs): Likewise.
10643         (expand_builtin_copysign): Likewise.
10644         (expand_builtin_printf): Likewise.
10645         (expand_builtin_fprintf): Likewise.
10646         (expand_builtin_sprintf): Likewise.
10647         (expand_builtin_init_trampoline): Likewise.
10648         (expand_builtin_signbit): Likewise.
10649         (expand_builtin_fork_or_exec): Likewise.
10650         (expand_builtin_sync_operation): Likewise.
10651         (expand_builtin_compare_and_swap): Likewise.
10652         (expand_builtin_lock_test_and_set): Likewise.
10653         (expand_builtin_lock_release): Likewise.
10654         (expand_builtin): Likewise.
10655         (builtin_mathfn_code): Likewise.
10657         (fold_builtin_constant_p): Pass call arguments individually instead
10658         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
10659         accessors and constructors.  Return NULL_TREE instead of 0.
10660         (fold_builtin_expect): Likewise.
10661         (fold_builtin_classify_type): Likewise.
10662         (fold_builtin_strlen): Likewise.
10663         (fold_builtin_nan): Likewise.
10664         (integer_valued_real_p): Likewise.
10665         (fold_trunc_transparent_mathfn): Likewise.
10666         (fold_fixed_mathfn): Likewise.
10667         (fold_builtin_cabs): Likewise.
10668         (fold_builtin_sqrt): Likewise.
10669         (fold_builtin_cbrt): Likewise.
10670         (fold_builtin_cos): Likewise.
10671         (fold_builtin_cosh): Likewise.
10672         (fold_builtin_tan): Likewise.
10673         (fold_builtin_sincos): Likewise.
10674         (fold_builtin_cexp): Likewise.
10675         (fold_builtin_trunc): Likewise.
10676         (fold_builtin_floor): Likewise.
10677         (fold_builtin_ceil): Likewise.
10678         (fold_builtin_round): Likewise.
10679         (fold_builtin_int_roundingfn): Likewise.
10680         (fold_builtin_bitop): Likewise.
10681         (fold_builtin_bswap): Likewise.
10682         (fold_builtin_logarithm): Likewise.
10683         (fold_builtin_hypot): Likewise.
10684         (fold_builtin_pow): Likewise.
10685         (fold_builtin_powi): Likewise.
10686         (fold_builtin_exponent): Likewise.
10687         (fold_builtin_memset): Likewise.
10688         (fold_builtin_bzero): Likewise.
10689         (fold_builtin_memory_op): Likewise.
10690         (fold_builtin_bcopy): Deleted; call site changed to invoke
10691         fold_builtin_memory_op directly.
10692         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
10693         (fold_builtin_strncpy): Likewise.
10694         (fold_builtin_memcmp): Likewise.
10695         (fold_builtin_strcmp): Likewise.
10696         (fold_builtin_strncmp): Likewise.
10697         (fold_builtin_signbit): Likewise.
10698         (fold_builtin_copysign): Likewise.
10699         (fold_builtin_isascii): Likewise.
10700         (fold_builtin_toascii): Likewise.
10701         (fold_builtin_isdigit): Likewise.
10702         (fold_builtin_fabs): Likewise.
10703         (fold_builtin_abs): Likewise.
10704         (fold_builtin_fmin_fmax): Likewise.
10705         (fold_builtin_carg): Likewise.
10706         (fold_builtin_classify): Likewise.
10707         (fold_builtin_unordered_cmp): Likewise.
10709         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
10710         New functions split out from fold_builtin_1.
10711         (fold_builtin_n): New.
10712         (fold_builtin_varargs): New.
10713         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
10714         instead.
10715         (fold_call_expr): New.
10716         (build_function_call_expr): Rewrite to use new helper function.
10717         (fold_builtin_call_list): New.
10718         (build_call_expr): New.
10719         (fold_builtin_call_valist): New.
10720         (rewrite_call_expr): New.
10721         (validate_arg): New.
10722         (validate_arglist): Change parameter to be entire CALL_EXPR instead
10723         of an arglist.  Change return type to bool.  Use new CALL_EXPR
10724         accessors.
10726         (fold_builtin_strstr):  Pass call arguments individually instead
10727         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
10728         accessors and constructors.  Return NULL_TREE instead of 0.
10729         (fold_builtin_strchr): Likewise.
10730         (fold_builtin_strrchr): Likewise.
10731         (fold_builtin_strpbrk): Likewise.
10732         (fold_builtin_strcat): Likewise.
10733         (fold_builtin_strncat): Likewise.
10734         (fold_builtin_strspn): Likewise.
10735         (fold_builtin_strcspn): Likewise.
10736         (fold_builtin_fputs): Likewise.
10737         (fold_builtin_next_arg): Likewise.
10738         (fold_builtin_sprintf): Likewise.
10740         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
10741         NULL_RTX instead of 0.
10742         (expand_builtin_memory_chk): Likewise.
10743         (maybe_emit_chk_warning): Likewise.
10744         (maybe_emit_sprintf_chk_warning): Likewise.
10746         (fold_builtin_object_size): Pass call arguments individually instead
10747         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
10748         accessors and constructors.  Return NULL_TREE instead of 0.
10749         (fold_builtin_memory_chk): Likewise.
10750         (fold_builtin_stxcpy_chk): Likewise.
10751         (fold_builtin_strncpy_chk): Likewise.
10752         (fold_builtin_strcat_chk): Likewise.
10753         (fold_builtin_strcat_chk): Likewise.
10754         (fold_builtin_strncat_chk): Likewise.
10755         (fold_builtin_sprintf_chk): Likewise.
10756         (fold_builtin_snprintf_chk): Likewise.
10757         (fold_builtin_printf): Likewise.
10758         (fold_builtin_vprintf): Likewise.
10760         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
10761         constructors.
10762         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
10763         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
10764         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
10765         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
10766         (fold_unary): Likewise.
10767         (fold_binary): Likewise.
10768         (fold_ternary): Remove CALL_EXPR case, since they are no longer
10769         ternary expressions.
10770         (fold): Add logic for tcc_vl_exp.
10771         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
10772         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
10773         (fold_build3_stat): Add assertion to flag broken interface for
10774         constructing CALL_EXPRs.
10775         (fold_build_call_list): New.
10776         (fold_build_call_list_initializer): New.
10777         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
10778         constructors.
10779         (fold_strip_sign_ops): Likewise.
10781 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
10782             Brooks Moses  <brooks.moses@codesourcery.com>
10783             Lee Millward  <lee.millward@codesourcery.com>
10785         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
10786         accessors and dump arguments explicitly.
10788         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
10789         TREE_CODE_LENGTH.
10790         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
10791         explicitly.
10792         (print_call_name): Use new CALL_EXPR accessors.
10794         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
10795         CALL_EXPR arguments explicitly instead of as a list.  Use
10796         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
10798         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
10799         (vrp_visit_stmt): Likewise.
10801         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
10802         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
10803         TREE_CODE_LENGTH.
10804         (force_move_till_expr): Likewise.
10806         * targhooks.c (default_external_stack_protect_fail): Use
10807         build_call_expr instead of build_function_call_expr.
10808         (default_hidden_stack_protect_fail): Likewise.
10810         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
10811         build the call.
10813         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
10814         and walk arguments explicitly.
10816         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
10817         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
10818         (expand_simple_operations): Likewise.
10819         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
10821         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
10822         of TREE_CODE_LENGTH.
10823         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
10825         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
10826         instead of TREE_CODE_LENGTH.
10828         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
10829         (tree_ic_transform): Likewise.
10830         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
10831         parameter instead of arglist.  Fix callers.
10832         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
10833         (tree_stringops_transform): Likewise.
10834         (tree_indirect_call_to_profile): Likewise.
10835         (tree_stringops_values_to_profile): Likewise.
10837         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
10838         (eliminate_tail_call): Likewise.
10840         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
10842         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
10843         Use TREE_OPERAND_LENGTH and generalize to handle any number of
10844         operands.
10845         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
10847         * omp-low.c (build_omp_barrier): Use build_call_expr.
10848         (lower_rec_input_clauses): Likewise.
10849         (lower_reduction_clauses): Likewise.
10850         (expand_parallel_call): Likewise.
10851         (maybe_catch_exception): Likewise.
10852         (expand_omp_for_generic): Likewise.
10853         (expand_omp_for_static_nochunk): Likewise.
10854         (expand_omp_sections): Likewise.
10855         (lower_omp_single_simple): Likewise.
10856         (lower_omp_single_copy): Likewise.
10857         (lower_omp_master): Likewise.
10858         (lower_omp_ordered): Likewise.
10859         (lower_omp_critical): Likewise.
10861         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
10862         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
10864         * tree-gimple.c (is_gimple_call_addr): Fix doc.
10865         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
10866         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
10868         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
10869         and generalize to handle any number of operands.
10870         (chrec_contains_undetermined): Likewise.
10871         (tree_contains_chrecs): Likewise.
10872         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
10874         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
10876         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
10877         fold_call_expr instead of fold_builtin.
10878         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
10879         match declarations there.
10880         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
10881         updates.
10883         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
10884         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
10886         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
10887         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
10889         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
10890         accessors.
10892         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
10893         (execute_cse_sincos): Use new CALL_EXPR accessors.
10895         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
10897         * gimple-low.c (lower_function_body): Use build_call_expr.
10898         (lower_builtin_setjmp): Likewise.
10900         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
10901         (set_storage_via_libcall): Likewise.
10902         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
10903         instead of TREE_CODE_LENGTH.
10904         (expand_expr_real_1): Use new CALL_EXPR accessors.
10906         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
10907         generalize to handle any number of operands.
10908         (TB_parent_eq): Likewise.
10910         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
10911         (strip_builtin_expect): Likewise.
10913         * function.c (gimplify_parameters): Use build_call_expr.
10915         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
10916         instead of TREE_CODE_LENGTH.
10918         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
10919         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
10921         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
10922         iterators.
10924         * gimplify.c (build_stack_save_restore): Use build_call_expr.
10925         (gimplify_decl_expr): Likewise.
10926         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
10927         Use new CALL_EXPR iterators.
10928         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
10929         (gimplify_modify_expr_to_memset): Likewise.
10930         (gimplify_variable_sized_compare): Likewise.
10931         (gimplify_omp_atomic_fetch_op): Likewise.
10932         (gimplify_omp_atomic_pipeline): Likewise.
10933         (gimplify_omp_atomic_mutex): Likewise.
10934         (gimplify_function_tree): Likewise.
10936         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
10937         (call_expr_flags): Likewise.
10938         (expand_call): Likewise.
10940         * except.c (expand_builtin_eh_return_data_regno): Pass entire
10941         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
10942         accessors.
10944         * coverage.c (create_coverage): Use build_call_expr.
10946         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
10947         (temp_call_expr_obstack): New.
10948         (pool_copy_list): Delete.
10949         (temp_copy_call_expr): New.
10950         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
10951         CALL_EXPR accessors.  Get rid of special goo for copying argument
10952         lists and use temp_copy_call_expr instead.
10953         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
10954         CALL_EXPR accessors.
10955         (create_expression_by_pieces): Likewise.  Use build_call_array
10956         to construct the result instead of fold_build3.
10957         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
10958         dealing with argument lists.
10959         (init_pre): Remove references to expression_node_pool and
10960         list_node_pool.  Init temp_call_expr_obstack instead.
10961         (fini_pre): Remove references to expression_node_pool and
10962         list_node_pool.
10964         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
10965         and walk arguments explicitly instead of as a list.
10967         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
10968         (mx_register_decls): Likewise.
10969         (mudflap_register_call): Likewise.
10970         (mudflap_finish_file): Likewise.
10972         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
10973         (ipa_callsite_compute_param): Likewise.
10975         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
10976         accessors and constructor.
10978         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
10979         accessors and constructor.
10980         (convert_tramp_reference): Likewise.
10981         (convert_call_expr): Likewise.
10982         (finalize_nesting_tree_1): Likewise.
10984         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
10985         accessors.
10987         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
10989         * tree-inline.c (initialize_inlined_parameters): Pass entire
10990         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
10991         accessors.
10992         (estimate_num_insns_1): Use new CALL_EXPR accessors.
10993         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
10995         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
10996         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
10997         (vectorizable_reduction): Likewise.
10998         (vectorizable_call): Use new CALL_EXPR iterators.
10999         (vectorizable_conversion): Use build_call_expr.
11000         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
11001         (vect_gen_widened_results_half): Use build_call_expr.
11002         (vect_setup_realignment): Likewise.
11003         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
11005         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
11006         (pass_through_call): Likewise.
11007         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
11008         fold_builtin.
11010         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
11011         (tree_gen_pow2_profiler): Likewise.
11012         (tree_gen_one_value_profiler): Likewise.
11013         (tree_gen_ic_func_profiler): Likewise.
11014         (tree_gen_average_profiler): Likewise.
11015         (tree_gen_ior_profiler): Likewise.
11017         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
11018         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
11019         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
11021         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
11022         of TREE_CODE_LENGTH.
11024         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
11025         of TREE_CODE_LENGTH.
11027         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
11028         constructor.
11029         (convert_to_integer): Likewise.
11031         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
11032         accessors.
11034 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
11035             Brooks Moses  <brooks.moses@codesourcery.com>
11036             Lee Millward  <lee.millward@codesourcery.com>
11038         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
11039         accessors.
11040         * config/frv/frv.c (frv_expand_builtin): Likewise.
11041         * config/s390/s390.c (s390_expand_builtin): Likewise.
11043         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
11044         (sparc_expand_builtin): Use new CALL_EXPR accessors.
11046         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
11047         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
11048         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
11049         (ix86_expand_store_builtin): Likewise.
11050         (ix86_expand_unop_builtin): Likewise.
11051         (ix86_expand_unop1_builtin): Likewise.
11052         (ix86_expand_sse_compare): Likewise.
11053         (ix86_expand_sse_comi): Likewise.
11054         (ix86_expand_vec_init_builtin): Likewise.
11055         (ix86_expand_vec_ext_builtin): Likewise.
11056         (ix86_expand_vec_set_builtin): Likewise.
11057         (ix86_expand_builtin): Use new CALL_EXPR accessors.
11059         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
11060         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11062         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
11063         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
11064         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
11066         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
11067         build_call_expr.
11068         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
11069         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
11070         arglist.  Use new CALL_EXPR accessors.  Fix callers.
11071         (altivec_expand_abs_builtin): Likewise.
11072         (rs6000_expand_binop_builtin): Likewise.
11073         (altivec_expand_predicate_builtin): Likewise.
11074         (altivec_expand_lv_builtin): Likewise.
11075         (spe_expand_stv_builtin): Likewise.
11076         (altivec_expand_stv_builtin): Likewise.
11077         (rs6000_expand_ternop_builtin): Likewise.
11078         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
11079         (altivec_expand_st_builtin): Likewise.
11080         (altivec_expand_dst_builtin): Likewise.
11081         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
11082         arglist.  Use new CALL_EXPR accessors.  Fix callers.
11083         (altivec_expand_vec_set_builtin): Likewise.
11084         (altivec_expand_vec_ext_builtin): Likewise.
11085         (altivec_expand_builtin): Use new CALL_EXPR accessors.
11086         (spe_expand_builtin): Likewise.
11087         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
11088         arglist.  Use new CALL_EXPR accessors.  Fix callers.
11089         (spe_expand_evsel_builtin): Likewise.
11090         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
11091         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
11093         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
11094         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
11095         (arm_expand_unop_builtin): Likewise.
11096         (arm_expand_builtin): Use new CALL_EXPR accessors.
11098         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
11099         accessors.
11101         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
11102         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
11103         (bfin_expand_unop_builtin): Likewise.
11104         (bfin_expand_builtin): Use new CALL_EXPR accessors.
11106 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
11107             Brooks Moses  <brooks.moses@codesourcery.com>
11108             Lee Millward  <lee.millward@codesourcery.com>
11110         * c-semantics.c (build_stmt): Add internal diagnostic check.
11112         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
11113         accessors.  Print arguments explicitly instead of as a list.
11115         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
11117         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
11118         (c_finish_omp_flish): Likewise.
11120         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
11121         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
11122         instead of TREE_CODE_LENGTH.
11123         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
11124         (c_warn_unused_result): Likewise.
11126 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11128         PR c/26494
11129         * doc/invoke.texi (Warning Options): Remove
11130         -Werror-implicit-function-declaration.
11131         (Wimplicit-function-declaration): Update description.
11132         * opts.c (common_handle_option): Move handling of -Werror=* to...
11133         (enable_warning_as_error): ...here.
11134         * opts.h (enable_warning_as_error): Declare.
11135         * c-decl.c (implicit_decl_warning): Unless
11136         -Wno-implicit-function-declaration is given, emit a pedwarn if
11137         -std=c99 or emit a warning if -Wimplicit-function-declaration.
11138         * c.opt (Wimplicit-function-declaration): Replace
11139         mesg_implicit_function_declaration with
11140         warn_implicit_function_declaration.
11141         * c-opts.c (c_common_handle_option):
11142         -Werror-implicit-function-declaration is exactly equal as
11143         -Werror=implicit-function-declaration.
11144         (set_Wimplicit): Replace mesg_implicit_function_declaration with
11145         warn_implicit_function_declaration.
11146         (c_common_post_options): -Wimplict-function-declaration is enabled
11147         by default by -std=c99, otherwise is disabled by default.
11148         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
11150 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
11152         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
11153         DECL on the rhs to a DECL on the lhs for debug info purposes if the
11154         former is ignored but not the latter.
11156 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
11158         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
11159         is made and the reference doesn't use the alias set of its type,
11160         do not create the temporary using that type.
11162 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
11164         * jump.c: Remove prototypes for delete_computation and
11165         delete_prior_computation.
11167 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
11169         * jump.c (get_label_after): Delete.
11170         (get_label_before, delete_computation, delete_jump,
11171         delete_prior_computation, follow_jumps): Move...
11172         * reorg.c (delete_computation, delete_prior_computation): ... here...
11173         (get_label_before, delete_jump): ... making these static ...
11174         (follow_jumps): ... and simplifying this since it only runs after
11175         reload.
11176         * rtl.h (get_label_after, get_label_before, delete_jump,
11177         follow_jumps): Delete prototypes.
11179 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
11181         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
11183 2007-02-15  Nick Clifton  <nickc@redhat.com>
11185         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
11186         order to prevent it from being munged by the target.
11188 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
11190         * config/i386/i386.md: Remove misleading comment.
11192 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
11194         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
11195         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
11196         invalid patterns.
11198 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
11200         * tree-sra.c (instantiate_missing_elements): Canonicalize
11201         bit-field types.
11202         (sra_build_assignment): New.
11203         (generate_copy_inout, generate_element_copy,
11204         generate_element_zero, generate_one_element_init): Use it.
11206 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
11208         * tree-sra.c (instantiate_missing_elements): Canonicalize
11209         bit-field types.
11210         (sra_build_assignment): New.
11211         (generate_copy_inout, generate_element_copy,
11212         generate_element_zero, generate_one_element_init): Use it.
11214 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
11216         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
11217         limbo die nodes.
11219 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
11221         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
11222         types as aggregates not scalars.
11223         * function.c (assign_stack_temp_for_type): Likewise.
11225 2007-02-14  Roger Sayle  <roger@eyesopen.com>
11226             Zdenek Dvorak  <dvorakz@suse.cz>
11228         * tree-dump.c (dump_switch_p_1): Require exact match of the option
11229         name.
11231 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
11233         * passes.c (next_pass_1): Clear the next field of the copied
11234         pass structure.
11236 2007-02-14  Richard Henderson  <rth@redhat.com>
11238         * tree-sra.c (early_sra): New.
11239         (decl_can_be_decomposed_p): Deny va_list if early_sra.
11240         (tree_sra_early, pass_sra_early): New.
11241         * tree-pass.h (pass_sra_early): Declare.
11242         * passes.c (init_optimization_passes): Use it.
11244 2007-02-14  Richard Guenther  <rguenther@suse.de>
11246         * flags.h (issue_strict_overflow_warning): Convert to a macro.
11248 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
11250          PR tree-optimization/30771
11251         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
11252         also phi nodes.
11253         (vect_analyze_operations): Induction phis can now be marked as
11254         used_in_loop.
11255         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
11256         Update documentation accordingly.
11258 2007-02-14  Nick Clifton  <nickc@redhat.com>
11260         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
11261         most 3 arguments are supported.
11262         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
11264 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
11266         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
11267         Ensure dst->current is valid.
11269 2007-02-13  Paul Brook  <paul@codesourcery.com>
11271         * config.gcc: Add arm*-*-uclinux-*eabi.
11272         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
11273         (SUBTARGET_EXTRA_LINK_SPEC): Define.
11274         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
11275         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
11276         (LINK_SPEC): Define.
11277         (LIB_SPEC): Define.
11278         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
11279         register.
11280         * config/arm/uclinux-eabi.h: New file.
11281         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
11282         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
11283         based targets.
11285 2007-02-13  Ian Lance Taylor  <iant@google.com>
11287         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
11288         * flags.h (warn_strict_overflow): Declare.
11289         (enum warn_strict_overflow_code): Define.
11290         (issue_strict_overflow_warning): New static inline function.
11291         * opts.c (warn_strict_overflow): New variable.
11292         (common_handle_option): Handle OPT_Wstrict_overflow and
11293         OPT_Wstrict_overflow_.
11294         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
11295         OPT_Wall.
11296         * fold-const.c: Include intl.h.
11297         (fold_deferring_overflow_warnings): New static variable.
11298         (fold_deferred_overflow_warning): New static variable.
11299         (fold_deferred_overflow_code): New static variable.
11300         (fold_defer_overflow_warnings): New function.
11301         (fold_undefer_overflow_warnings): New function.
11302         (fold_undefer_and_ignore_overflow_warnings): New function.
11303         (fold_deferring_overflow_warnings_p): New function.
11304         (fold_overflow_warning): New static function.
11305         (make_range): Add strict_overflow_p parameter.  Change all
11306         callers.
11307         (extract_muldiv, extract_muldiv_1): Likewise.
11308         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
11309         tree_expr_nonnegative_p.
11310         (fold_negate_expr): Call fold_overflow_warning.
11311         (fold_range_test): Likewise.
11312         (fold_comparison): Likewise.
11313         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
11314         instead of tree_expr_nonnegative_p.
11315         (tree_expr_nonnegative_warnv_p): Rename from
11316         tree_expr_nonnegative_p, add strict_overflow_p parameter.
11317         (tree_expr_nonnegative_p): New function.
11318         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
11319         strict_overflow_p parameter.
11320         (tree_expr_nonzero_p): New function.
11321         * passes.c (verify_interpass_invariants): New static function.
11322         (execute_one_pass): Call it.
11323         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
11324         warnings.
11325         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
11326         (estimate_numbers_of_iterations): Likewise.
11327         (scev_probably_wraps_p): Likewise.
11328         * tree-ssa-ccp.c: Include "toplev.h".
11329         (evaluate_stmt): Defer fold overflow warnings until we know we are
11330         going to optimize.
11331         (struct fold_stmt_r_data): Add stmt field.
11332         (fold_stmt_r): Defer fold overflow warnings until we know we
11333         optimized.
11334         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
11335         (fold_stmt_inplace): Likewise.
11336         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
11337         (cleanup_control_expr_graph): Defer fold overflow warnings until
11338         we know we are going to optimize.
11339         * tree-cfg.c (fold_cond_expr_cond): Likewise.
11340         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
11341         Likewise.
11342         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
11343         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
11344         * tree-ssa-loop-manip.c (create_iv): Likewise.
11345         * c-typeck.c (build_conditional_expr): Likewise.
11346         (build_binary_op): Likewise.
11347         * tree-vrp.c (vrp_expr_computes_nonzero): Call
11348         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
11349         (extract_range_from_unary_expr): Likewise.
11350         * simplify-rtx.c (simplify_const_relational_operation): Warn when
11351         assuming that signed overflow does not occur.
11352         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
11353         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
11354         (fold_defer_overflow_warnings): Declare.
11355         (fold_undefer_overflow_warnings): Declare.
11356         (fold_undefer_and_ignore_overflow_warnings): Declare.
11357         (fold_deferring_overflow_warnings_p): Declare.
11358         (tree_expr_nonzero_warnv_p): Declare.
11359         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
11360         of warning options.
11361         (Warning Options): Document -Wstrict-overflow.
11362         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
11363         (tree-ssa-ccp.o): Likewise.
11364         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
11365         (fold-const.o): Depend on intl.h.
11367 2007-02-13  Ian Lance Taylor  <iant@google.com>
11369         PR middle-end/30751
11370         * lower-subreg.c (resolve_simple_move): Decompose subregs in
11371         addresses.
11373 2007-02-13  Stuart Hastings  <stuart@apple.com>
11375         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
11377 2007-02-13  Richard Henderson  <rth@redhat.com>
11379         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
11380         handled_component_p before looking for the indirect_ref.
11382 2007-02-13  Richard Henderson  <rth@redhat.com>
11384         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
11385         remove flags clobber.
11386         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
11387         (bswaphi_lowpart): New.
11388         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
11389         remove TARGET_BSWAP test.  Delete expander of the same name.
11391         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
11392         (expand_unop): Use them.
11394 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
11396         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
11397         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
11398         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
11399         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
11400         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
11401         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
11402         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
11403         assembler dialect choice from asm templates.
11405 2007-02-12  Richard Henderson  <rth@redhat.com>
11407         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
11408         (fixuns_trunc<SSEMODEF>si2): Use it.
11409         * config/i386/sse.md (vec_setv4sf_0): Export.
11410         * config/i386/i386.c (ix86_build_const_vector): Export.
11411         (ix86_split_convert_uns_si_sse): Rename from
11412         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
11413         * config/i386/i386-protos.h: Update.
11415 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11417         PR c/29521
11418         * c-typeck.c (c_finish_return): Improve warning message.
11420 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11422         * alias.c (find_symbolic_term): Delete unused function.
11424 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
11426         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
11427         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
11428         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
11430 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
11432         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
11433         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
11434         the function, temporarily point the debug interface to the null one.
11436 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
11438         * dwarf2out.c (round_up_to_align): New static function.
11439         (field_byte_offset): Use it to round the offset.
11441 2007-02-12  Richard Henderson  <rth@redhat.com>
11443         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
11444         (inswl_const): Export.
11446 2007-02-12  Richard Henderson  <rth@redhat.com>
11448         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
11449         result mode of the libcall, convert back to outmode.
11451 2007-02-12  Roger Sayle  <roger@eyesopen.com>
11453         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
11454         (bswapdi2): New define_expand to implement 32-bit implementation.
11456 2007-02-12  Nick Clifton  <nickc@redhat.com>
11458         * doc/invoke.texi (Overall Options): Document --help=.
11459         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
11460         (cc1_options): Pass --help= on to cc1.
11461         (display_help): Add description of --help=.
11462         (process_command): Add code to handle --help=.  Allow translated
11463         --help and --target-help switches to be passed on to compiler
11464         sub-process.
11465         (main): Remove unused if statement.
11466         * opts.c (columns): Remove.
11467         (LEFT_COLUMN): Define.
11468         (wrap_help): Add columns argument.
11469         (print_filtered_help): Change parameters to be an include bitmask,
11470         an exclude bitmask, an any bitmask and the column width.  Move the
11471         code to display the params list here.  Add code to display the
11472         status of options rather than their descriptions if the quiet flag
11473         is not active.
11474         (print_specific_help): Change parameters to be an include bitmask,
11475         an exclude bitmask and an any bitmask.  Move code to look up the
11476         column width here.  Decide upon the title for an options listing.
11477         (common_handle_options): Add code to handle --help=.  Adapt code
11478         for --help and --target-help to use the revised form of the
11479         print_specific_help function.
11480         (print_help): Delete.
11481         (print_param_help): Delete.
11482         (print_switch): Delete.
11483         * opts.h (cl_lang_count): Add prototype.
11484         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
11485         CL_MAX_OPTION_CLASS): New defines.
11486         * optc-gen.awk: Add construction of cl_lang_count.
11487         * c.opt: Add Warning attribute to warning options and Optimization
11488         attribute to optimization options.
11489         * common.opt: Likewise.
11490         Add --help=.
11491         Add -fhelp and -ftarget-help as aliases for the transformed --help
11492         and --target-help options.
11493         * opt-functions.awk: Add code to handle Warning and Optimization
11494         attributes.
11496 2007-02-12  Richard Henderson  <rth@redhat.com>
11498         * config/alpha/constraints.md: New file.
11499         * config/alpha/alpha.c: Include tm-constrs.h.
11500         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
11501         alpha_extra_constraint): Remove.
11502         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
11503         * config/alpha/alpha-protos.h: Update.
11504         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
11505         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
11506         (EXTRA_CONSTRAINT): Remove.
11507         * config/alpha/alpha.md: Include constraints.md.
11508         (adddi splitter): Use satisfies_constraint_*.
11509         * config/alpha/predicates.md (add_operand): Likewise.
11510         (sext_add_operand, addition_operation): Likewise.
11512 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
11514         PR tree-optimization/29145
11515         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
11516         in our handling of restrict qualified pointers.
11518 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11520         PR middle-end/7651
11521         * doc/invoke.texi (Wunused-value): Update description.
11522         (Wextra): Delete item.
11523         * opts.c (set_Wextra): Don't use the value of Wextra to set the
11524         value of Wunused-value.
11525         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
11526         (c_finish_stmt_expr): Don't check extra_warnings.
11527         (emit_side_effect_warnings): The caller is responsible to check
11528         warn_unused_value.
11530 2007-02-11  Roger Sayle  <roger@eyesopen.com>
11531             Matt Thomas  <matt@3am-software.com>
11533         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
11535 2007-02-11  Roger Sayle  <roger@eyesopen.com>
11537         * simplify-rtx.c (simplify_relational_operation_1): Optimize
11538         comparisons of POPCOUNT against zero.
11539         (simplify_const_relational_operation): Likewise.
11541 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11543         * doc/invoke.texi (Wextra): Delete outdated paragraph.
11545 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11547         * dwarf2out.c (root_type): Delete unused function.
11549 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11551         * genattrtab.c (contained_in_p): Delete unused function.
11552         (write_expr_attr_cache): Likewise.
11554 2007-02-11  Jan Hubicka  <jh@suse.cz>
11556         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
11557         previous patch.
11559 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
11561         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
11562         to add the REG_EQ* note.
11563         * see.c (see_merge_one_use_extension): Likewise.
11564         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
11565         turn REG_EQUAL notes into REG_EQUIV notes if the target
11566         register may have more than one set.
11567         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
11568         * gcse.c (try_replace_reg): Likewise.
11569         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
11570         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
11571         more than one REG_EQUIV note.
11572         * reload1.c (gen_reload): Use set_unique_reg_note.
11574 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
11576         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
11577         (ix86_builtin_conversion): New function.
11579 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
11581         PR target/29487
11582         * tree.h (DECL_REPLACEABLE_P): New macro.
11583         * except.c (set_nothrow_function_flags): Likewise.
11585 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
11586             Ira Rosen  <irar@il.ibm.com>
11587             Dorit Nuzman  <dorit@il.ibm.com>
11589         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
11590         * targhooks.c (default_builtin_vectorized_conversion): New.
11591         * targhooks.h (default_builtin_vectorized_function): New declaration.
11592         * target.h (struct vectorize): Add builtin_conversion field.
11593         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
11594         stmt_vec_info_type value.
11595         (vectorizable_conversion): New declaration.
11596         * tree-vect-analyze.c (vect_analyze_operations): Add
11597         vectorizable_conversion call.
11598         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
11599         * tree-vect-transform.c (vectorizable_conversion): New function.
11600         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
11601         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
11602         mode.
11603         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
11604         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
11605         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
11606         or ALTIVEC_BUILTIN_VCFSX.
11608 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11610         PR target/30634
11611         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
11612         CONST_DOUBLE and operand 0 is a hard register.
11613         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
11614         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
11615         is a hard floating-point register.
11617 2007-02-10  Richard Henderson  <rth@redhat.com>
11618             Jakub Jelinek  <jakub@redhat.com>
11619             Alexandre Oliva  <aoliva@redhat.com>
11621         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
11622         * builtin-types.def (BT_WORD): Make unsigned.
11623         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
11624         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
11625         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
11626         * c-decl.c (grokdeclarator): Don't error if !have_tls.
11627         * c-parser.c (c_parser_omp_threadprivate): Likewise.
11628         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
11629         emulated tls.
11630         * expr.c (emutls_var_address): New.
11631         (expand_expr_real_1): Expand emulated tls.
11632         (expand_expr_addr_expr_1): Likewise.
11633         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
11634         * output.h (emutls_finish): Declare.
11635         * toplev.c (compile_file): Call it.
11636         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
11637         address before wrapping in CONST.
11638         * varasm.c (emutls_htab, emutls_object_type): New.
11639         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
11640         (get_emutls_object_name, get_emutls_object_type): New.
11641         (get_emutls_init_templ_addr, emutls_decl): New.
11642         (emutls_common_1, emutls_finish): New.
11643         (assemble_variable): When emulating tls, swap decls; generate
11644         constructor for the emutls objects.
11645         (do_assemble_alias): When emulating tls, swap decl and target name.
11646         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
11647         for emulated tls.
11648         * varpool.c (decide_is_variable_needed): Look at force_output.
11649         Recurse for emulated tls.
11650         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
11651         with decide_is_variable_needed.
11652         * emutls.c: New file.
11653         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
11654         tls_object for real tls.
11656 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
11658         PR rtl-optimization/29599
11659         * reload1.c (eliminate_regs_in_insn): Take the destination
11660         mode into account when computing the offset.
11662 2007-02-09  Stuart Hastings  <stuart@apple.com>
11663             Richard Henderson  <rth@redhat.com>
11665         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
11666         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
11667         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
11668         fixuns_truncdfhi2): New.
11669         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
11670         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
11671         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
11672         (floatunssidf2): Allow nonimmediate source.
11673         * config/i386/sse.md (movdi_to_sse): New.
11674         (vec_concatv2di): Drop '*'.
11675         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
11676         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
11677         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
11678         New.
11679         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
11680         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
11681         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
11682         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
11683         (ix86_build_signbit_mask): Fix decl of v, refactor to call
11684         ix86_build_const_vector.
11685         (x86_emit_floatuns): Rewrite.
11687 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11689         * genautomata.c (longest_path_length): Delete unused function.
11690         (struct state): Delete unused longest_path_length.
11691         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
11692         (get_free_state): Delete unused.
11694 2007-02-09  Jan Hubicka  <jh@suse.cz>
11696         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
11697         * doc/invoke.texi (inline-unit-growth): Update default value.
11699         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
11700         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
11701         (rebuild_cgraph_edges): Likewise.
11702         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
11703         (dump_cgraph_node): Dump frequencies.
11704         (cgraph_clone_edge): Add frequency scales.
11705         (cgraph_clone_node): Add freuqnecy.
11706         * cgraph.h (cgraph_edge): Add freuqnecy argument.
11707         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
11708         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
11709         * tree-pass.h (TODO_rebuild_frequencies): New constant.
11710         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
11711         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
11712         (save_inline_function_body): Likewise.
11713         * ipa-inline.c: inluce rtl.h
11714         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
11715         (cgraph_edge_badness): Use frequencies.
11716         (cgraph_decide_recursive_inlining): Update clonning.
11717         (cgraph_decide_inlining_of_small_function): Dump frequency.
11718         * predict.c (estimate_bb_frequencies): Export.
11719         * predict.h (estimate_bb_frequencies): Declare.
11720         * tree-inline.c (copy_bb): Watch overflows.
11721         (expand_call_inline): Update call of cgraph_create_edge.
11722         (optimize_inline_calls): Use TODO flags to update frequnecies.
11723         * passes.h: Include predict.h
11724         (init_optimization_passes): Move profile ahead.
11725         (execute_function_todo): Handle TODO_rebuild_frequencies.
11727 2007-02-09  Roger Sayle  <roger@eyesopen.com>
11729         * config/alpha/alpha.c (emit_insxl): Force the first operand of
11730         the insbl or inswl pattern into a register.
11732 2007-02-09  Roger Sayle  <roger@eyesopen.com>
11734         * config/ia64/ia64.md (bswapdi2): New define_insn.
11736 2007-02-09  Richard Henderson  <rth@redhat.com>
11738         * config/i386/constraints.md (Ym): New constraint.
11739         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
11740         (movdi_1_rex64): Split sse and xmm general register moves from
11741         memory move alternatives.  Use conditional register constraints.
11742         (movsf_1, movdf_integer): Likewise.
11743         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
11744         (movdf_integer_rex64): New.
11745         (pushsf_rex64): Fix output constraints.
11746         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
11747         (sse2_stored): Likewise.
11748         (sse2_storeq_rex64): New.
11749         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
11750         amd and not generic.
11751         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
11752         for optimize_size.  Remove SF/DFmode hack.
11754 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
11756         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
11757         (bit_SSE4a): New.
11759 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
11760             Richard Sandiford  <richard@codesourcery.com>
11762         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
11763         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
11764         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
11765         m68k/t-mlib to tmake_file.
11766         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
11767         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
11768         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
11769         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
11770         variable is not empty, add t-$m68k_arch_family to tmake_file.
11771         Add t-mlibs to tmake_file.
11772         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
11773         * config/m68k/t-cf: New file.
11774         * config/m68k/t-m68k: Likewise.
11775         * config/m68k/t-mlibs: Likewise.
11776         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
11777         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
11778         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
11779         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
11780         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
11781         Delete.
11782         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
11783         (INSTALL_LIBGCC): Delete.
11784         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
11785         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
11786         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
11787         (M68K_MLIB_CPU): Define.
11788         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
11789         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
11790         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
11792 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
11793             Richard Guenther  <rguenther@suse.de>
11795         PR middle-end/23361
11796         * fold-const.c (fold_comparison): Handle obfuscated comparisons
11797         against INT_MIN/INT_MAX.
11798         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
11799         file if a loop is removed.
11801 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
11803         * calls.c (store_one_arg): Pass correct alignment to
11804         emit_push_insn for non-BLKmode values.
11805         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
11806         unaligned stack slot via a suitably aligned slot.
11808 2007-02-08  DJ Delorie  <dj@redhat.com>
11810         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
11811         warnings.
11812         (legal_subregs): Use unsigned char, make const.
11813         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
11815 2007-02-08  Paul Brook  <paul@codesourcery.com>
11817         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
11818         special interworking needed.
11820 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
11822         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
11823         conditional to __SSE2__.
11824         (Entries below should have been added to first ChangeLog
11825         entry for amdfam10 dated 2007-02-05)
11826         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
11827         defined.
11828         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
11829         defined.
11830         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
11831         defined.
11833 2007-02-08  DJ Delorie  <dj@redhat.com>
11835         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
11836         * config/m32c/m32c.c (legal_subregs): New.
11837         (m32c_illegal_subreg_p): New.
11838         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
11839         unsupported subregs of hard regs.
11841 2007-02-08  Jan Hubicka  <jh@suse.cz>
11843         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
11844         the same one; always update histograms.
11846 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
11848         * passes.c (init_optimization_passes): Tidy comment.
11850 2007-02-08  Roger Sayle  <roger@eyesopen.com>
11852         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
11853         strip zero_extend, bswap and rotates from POCOUNT's argument.
11854         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
11855         zero_extend and rotates from PARITY's argument.
11856         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
11857         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
11858         of an integer constant at compile-time.
11860 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
11862         PR 30562
11863         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
11864         Update all users.
11865         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
11866         users.
11867         (init_alias_info):
11868         * tree-ssa-live.c (remove_unused_locals): Do not remove
11869         TREE_ADDRESSABLE variables.
11870         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
11871         * tree-ssa-operands.c (add_virtual_operand): Remove argument
11872         FOR_CLOBBER.  Update all users.
11873         If VAR has an associated alias set, add a virtual operand for
11874         it if no alias is found to conflict with the memory reference.
11876 2007-02-07  Jan Hubicka  <jh@suse.cz>
11877             Robert Kidd <rkidd@crhc.uiuc.edu>
11879         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
11881 2007-02-07  Ian Lance Taylor  <iant@google.com>
11883         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
11885 2007-02-07  Roger Sayle  <roger@eyesopen.com>
11887         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
11888         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
11889         tablejumpdi, movsi_to_cr_one): Remove constraints from
11890         define_expand's match_operands.
11892 2007-02-07  Roger Sayle  <roger@eyesopen.com>
11894         * global.c (compute_regsets): Move declatation of "i" inside of
11895         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
11897 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
11899         PR c++/30703
11900         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
11901         of INDIRECT_REF <RESULT_DECL>.
11903         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
11905 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
11906             Kaz Kojima  <kkojima@gcc.gnu.org>
11908         PR target/29746
11909         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
11910         properly.
11911         (sh_initialize_trampoline): Add parentheses to avoid a warning.
11913 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
11915         * doc/loop.texi: Document possibility not to perform disambiguation
11916         of loops with multiple latches.
11917         * cfgloopmanip.c (alp_enum_p): Removed.
11918         (add_loop): Handle subloops.  Use get_loop_body_with_size.
11919         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
11920         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
11921         the new forwarder block.
11922         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
11923         Handle the case latch is NULL.
11924         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
11925         when marking loop exits.
11926         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
11927         be modified.
11928         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
11929         disambiguate_loops_with_multiple_latches.
11930         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
11931         before fix_loop_structure.
11932         * cfgloop.c: Include pointer-set.h and output.h.
11933         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
11934         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
11935         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
11936         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
11937         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
11938         disambiguate_multiple_latches, get_loop_body_with_size,
11939         disambiguate_loops_with_multiple_latches): New functions.
11940         (flow_loop_dump): Dump multiple latch edges.
11941         (flow_loop_nodes_find): Handle loops with multiple latches.
11942         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
11943         (glb_enum_p): Modified.
11944         (get_loop_body): Use get_loop_body_with_size.
11945         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
11946         (AVOID_CFG_MODIFICATIONS): New constant.
11947         (disambiguate_loops_with_multiple_latches, add_loop,
11948         get_loop_body_with_size): Declare.
11949         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
11951 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
11953         PR inline-asm/28686
11954         * global.c (compute_regsets): New function.
11955         (global_alloc): Refactored ELIMINABLE_REGSET
11956         and NO_GLOBAL_ALLOC_REGS computation out.
11957         (rest_of_handle_global_alloc): Call compute_regsets()
11958         for non-optimizing case.
11960 2007-02-06  Richard Henderson  <rth@redhat.com>
11962         * config/i386/constraints.md (Y2): Rename from Y.
11963         (Yi): New constraint.
11964         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
11965         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
11966         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
11967         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
11968         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
11969         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
11970         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
11971         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
11972         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
11973         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
11974         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
11975         vec_extractv2si_1): Change Y constraints to Y2.
11976         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
11977         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
11978         Change Y constraints to Y2.
11979         (sse2_loadld): Change Y constraints to x.
11981 2007-02-06  Roger Sayle  <roger@eyesopen.com>
11983         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
11984         (parity<mode>2): New define_expand using rs6000_emit_parity.
11985         * config/rs6000/rs6000.c (rs6000_emit_popcount,
11986         rs6000_emit_parity): New functions.
11987         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
11988         rs6000_emit_parity): Prototype here.
11990 2007-02-06  Ian Lance Taylor  <iant@google.com>
11992         * lower-subreg.c (simple_move_operand): Reject CONST.
11993         (resolve_clobber): Call validate_change rather than directly
11994         assigning to XEXP (pat, 0).
11996 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
11998         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
11999         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
12000         (tree-cfg.o): Remove hashtab.h dependency.
12002         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
12003         (struct ivopts_data): Change niters to pointer_map_t.
12004         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
12005         (niter_for_exit): Create pointer_map on demand.  Change for
12006         pointer_map API.
12007         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
12008         (free_loop_data): Destroy data->niters if created and reset field.
12009         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
12010         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
12012         * tree-ssa-reassoc.c: Include pointer-set.h.
12013         (bb_rank): Change to long *.
12014         (operand_rank): Change to pointer_map_t.
12015         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
12016         (insert_operand_rank): Accept long.
12017         (operand_entry_hash, operand_entry_eq): Remove.
12018         (get_rank): Return long.  Adjust for changes above.
12019         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
12020         and operand_rank.
12021         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
12023         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
12024         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
12025         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
12026         is not NULL.
12027         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
12028         directly since it cannot be NULL.
12029         (get_vi_for_tree): Rewrite for pointer_map API.
12030         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
12031         (init_alias_vars): Create vi_for_tree as pointer_map.
12032         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
12034         * tree-cfg.c: Don't include hashtab.h.
12035         (edge_to_cases): Declare as pointer_map.
12036         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
12037         Delete.
12038         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
12039         (start_recording_case_labels): Create edge_to_cases as pointer_map.
12040         (end_recoding_case_labels): Cleanup edge_to_cases manually before
12041         destroying it.
12042         (record_switch_edge): Delete.
12043         (get_cases_for_edge): Adjust for pointer_map API, inline
12044         record_switch_edge (rewritten for new API), remove goto.
12046 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
12048         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
12049         * tree-nested.c: Include pointer-set.h.
12050         (var_map_elt, var_map_eq, var_map_hash): Delete.
12051         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
12052         to pointer_map_t's.
12053         (nesting_info_bitmap_obstack): New.
12054         (lookup_field_for_decl): Adjust for pointer_map API.
12055         (lookup_tramp_for_decl): Adjust for pointer_map API.
12056         (get_nonlocal_debug_decl): Adjust for pointer_map API.
12057         (get_local_debug_decl): Adjust for pointer_map API.
12058         (convert_nl_goto_reference): Adjust for pointer_map API.
12059         (convert_nl_goto_receiver): Adjust for pointer_map API.
12060         (create_nesting_tree): Create outside GGC space.  Create bitmap on
12061         the new obstack.  Create field_map and var_map as pointer_maps.
12062         (free_nesting_tree): Adjust for changes to create_nesting_tree.
12063         (root): Delete.
12064         (lower_nested_functions): Move root here, no need to NULL it.
12065         Initialize and release the obstack.
12067 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
12069         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
12070         Remove prototypes and make them non-static.
12071         (struct tree_int_map): Remove.
12072         * tree.h (struct tree_int_map): Move here, turning TO into an
12073         unsigned int.
12074         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
12076         * tree.h (TREE_COMPLEXITY): Remove.
12077         (struct tree_exp): Remove complexity field.
12078         * tree.c (build1_stat): Don't set it.
12080 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
12081             Victor Kaplansky  <victork@il.ibm.com>
12083         * tree-vectorizer.c (vect_is_simple_use): Support induction.
12084         (vect_is_simple_reduction): Support reduction with induction as
12085         one of the operands.
12086         (vect_is_simple_iv_evolution): Fix formatting.
12087         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
12088         formatting.  Don't mark induction phis for vectorization.
12089         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
12090         * tree-vect-transform.c (get_initial_def_for_induction): New function.
12091         (vect_get_vec_def_for_operand): Support induction.
12092         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
12093         induction case.
12094         (vectorizable_reduction): Support reduction with induction as one of
12095         the operands.
12096         (vectorizable_type_demotion): Use def-type of stmt argument rather
12097         than dummy def-type.
12099         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
12100         flag_tree_scev_cprop.
12101         * common.opt (tree-scev-cprop): New flag.
12103         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
12104         call to vect_get_new_vect_var.
12106 2007-02-06  Ira Rosen  <irar@il.ibm.com>
12108         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
12109         vectype is not NULL.
12110         (vect_pattern_recog_1): Likewise.
12112 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12114         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
12115         (fold_negate_expr): Likewise.
12117 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
12119         PR debug/30189
12120         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
12121         even if cv-qualification is the same.
12123 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
12125         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
12126         __enable_execute_stack on completion.
12128 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12130         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
12131         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
12132         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
12133         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
12134         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
12135         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
12136         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
12137         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
12139 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12141         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
12142         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
12143         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
12144         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
12145         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
12146         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
12147         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
12148         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
12149         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
12150         umuldi3_highpart_rex64, umulsi3_highpart_insn,
12151         umulsi3_highpart_zext, smuldi3_highpart_rex64,
12152         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
12153         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
12154         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
12155         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
12156         sqrtextenddfxf2_i387): Added amdfam10_decode.
12158         * config/i386/athlon.md (athlon_idirect_amdfam10,
12159         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
12160         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
12161         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
12162         athlon_ivector_store_amdfam10): New define_insn_reservation.
12163         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
12164         amdfam10.
12166 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12168         * config/i386/athlon.md (athlon_call_amdfam10,
12169         athlon_pop_amdfam10, athlon_lea_amdfam10): New
12170         define_insn_reservation.
12171         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
12172         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
12173         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
12175 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12177         * config/i386/athlon.md (athlon_sseld_amdfam10,
12178         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
12179         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
12181 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12183         * config/i386/athlon.md (athlon_sseins_amdfam10): New
12184         define_insn_reservation.
12185         * config/i386/i386.md (sseins): Added sseins to define_attr type
12186         and define_attr unit.
12187         * config/i386/sse.md: Set type attribute to sseins for insertq
12188         and insertqi.
12190 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12192         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
12193         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
12194         ssecomi_load_amdfam10, ssecomi_amdfam10,
12195         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
12196         define_insn_reservation.
12197         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
12199 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12201         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
12202         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
12203         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
12204         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
12205         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
12206         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
12207         define_insn_reservation.
12209         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
12210         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
12211         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
12212         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
12213         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
12215 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12217         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
12218         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
12219         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
12220         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
12221         athlon_ssemul_load_k8): Added amdfam10.
12223 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12225         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
12226         (x86_sse_unaligned_move_optimal): New variable.
12228         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
12229         m_AMDFAM10.
12230         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
12231         for unaligned vector SSE double/single precision loads for AMDFAM10.
12233 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12235         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
12236         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
12237         Define TARGET_CPU_DEFAULT_amdfam10.
12238         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
12239         (processor_type): Add PROCESSOR_AMDFAM10.
12241         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
12242         processor_type in config/i386/i386.h.
12243         Enable imul peepholes for TARGET_AMDFAM10.
12245         * config.gcc: Add support for --with-cpu option for amdfam10.
12247         * config/i386/i386.c (amdfam10_cost): New variable.
12248         (m_AMDFAM10): New macro.
12249         (m_ATHLON_K8_AMDFAM10): New macro.
12250         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
12251         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
12252         x86_promote_QImode, x86_integer_DFmode_moves,
12253         x86_partial_reg_dependency, x86_memory_mismatch_stall,
12254         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
12255         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
12256         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
12257         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
12258         Enable/disable for amdfam10.
12259         (override_options): Add amdfam10_cost to processor_target_table.
12260         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
12261         processor_alias_table.
12262         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
12263         (ix86_adjust_cost): Add code for amdfam10.
12265 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12267         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
12268         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
12269         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
12270         * config/i386/i386.h: Add builtin definition for SSE4A.
12271         * config/i386/i386.md: Add support for ABM instructions
12272         (popcnt and lzcnt).
12273         * config/i386/sse.md: Add support for SSE4A instructions
12274         (movntss, movntsd, extrq, insertq).
12275         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
12276         Add -march=amdfam10 flag.
12277         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
12278         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
12279         and amdfam10.
12280         * doc/extend.texi: Add documentation for SSE4A builtins.
12282 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
12284         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
12286 2007-02-05  Richard Guenther  <rguenther@suse.de>
12288         * tree-vectorizer.h (vectorizable_function): Add argument type
12289         argument, change return type.
12290         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
12291         * tree-vect-transform.c (vectorizable_function): Handle extra
12292         argument, return vectorized function decl.
12293         (build_vectorized_function_call): Remove.
12294         (vectorizable_call): Handle calls with result and argument types
12295         differing.  Handle loop vectorization factor correctly.
12296         * targhooks.c (default_builtin_vectorized_function): Adjust for
12297         extra argument.
12298         * targhooks.h (default_builtin_vectorized_function): Likewise.
12299         * target.h (builtin_vectorized_function): Add argument type
12300         argument.
12301         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
12302         extra argument, allow vectorizing of lrintf.
12303         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
12304         documentation of target hook.
12306 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
12308         PR target/30665
12309         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
12310         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
12311         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
12313 2007-02-05  Roger Sayle  <roger@eyesopen.com>
12315         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
12316         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
12317         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
12318         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
12319         before canonicalizing sincos to cexpi.
12320         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
12322 2007-02-05  Roger Sayle  <roger@eyesopen.com>
12324         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
12325         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
12326         (alpha_init_builtins): Use alpha_add_builtins to process tables.
12328 2007-02-05  Roger Sayle  <roger@eyesopen.com>
12330         * mips-tfile.c (initialize_init_file): Correct endianness test.
12332 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
12334         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
12335         the 'y' constraint.
12337 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
12339         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
12340         saves in a PARALLEL before the register assignments.
12342 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
12344         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
12345         DWARF_FRAME_RETURN_COLUMN to be a general register.
12346         * dwarf2out.c (init_return_column_size): New function, split from...
12347         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
12348         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
12349         to be nongeneral registers.
12350         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
12351         integer registers.
12352         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
12353         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
12355 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
12357         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
12359 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
12361         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
12362         (remove_path): Use can_remove_branch_p and remove_branch instead
12363         of loop_delete_branch_edge.
12364         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
12365         (tree_transform_and_unroll_loop): Remove dead branches immediately.
12366         Update profile using scale_dominated_blocks_in_loop.
12367         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
12368         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
12369         (can_remove_branch_p, remove_branch): Declare.
12370         * tree-cfg.c (tree_can_remove_branch_p): New function.
12371         (tree_cfg_hooks): Add tree_can_remove_branch_p.
12372         * cfgrtl.c (rtl_can_remove_branch_p): New function.
12373         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
12375 2007-02-05  Jan Hubicka  <jh@suse.cz>
12377         PR middle-end/30696
12378         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
12379         nodes in cgraph, don't remove offline copy of the function.
12381 2007-02-04  Jan Hubicka  <jh@suse.cz>
12383         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
12384         vectors might cause maybe_lookup_element_for_expr to be called
12385         on non-sra-candidate.
12387 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
12389         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
12390         config/bfin/bfin.md, config/bfin/predicates.md: Follow
12391         spelling conventions.
12393 2007-02-04  Richard Guenther  <rguenther@suse.de>
12395         PR middle-end/30636
12396         * fold-const.c (try_move_mult_to_index): Make sure to not
12397         overflow one dimension of a multi-dimensional array access.
12399 2007-02-04  Jan Hubicka  <jh@suse.cz>
12401         * passes.c (init_optimization_passes): Reindent.
12403 2007-02-04  Jan Hubicka  <jh@suse.cz>
12404             Eric Botcazou  <ebotcazou@adacore.com>
12406         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
12407         (execute_fixup_cfg): Break out the abnormal goto code.
12408         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
12409         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
12410         (optimize_inline_calls): Call make_nonlocal_label_edges.
12412 2007-02-04  Jan Hubicka  <jh@suse.cz>
12414         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
12415         true when something was changed.
12416         (rename_ssa_copies): When something was changed, do
12417         TODO_remove_unused_locals.
12418         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
12419         add TODO_remove_unused_locals when instruction was removed.
12421 2007-02-04  Jan Hubicka  <jh@suse.cz>
12423         * ipa-inline.c (try_inline): Improve debug output; work on already
12424         inline edges too.
12425         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
12426         call try_inline for already inlined edges too when flattening;
12427         inline also functions that make callee growth but overall unit size
12428         reduce.
12430 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
12432         * config/m32c/bitops.md, config/m32c/jump.md,
12433         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
12434         config/m32r/m32r.h, config/m32r/m32r.md,
12435         config/m32r/predicates.md, config/m68hc11/larith.asm,
12436         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
12437         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
12438         config/mips/mips-protos.h, config/mips/mips.c,
12439         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
12440         config/mn10300/mn10300.h, config/mn10300/predicates.md,
12441         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
12442         spelling conventions.
12444         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
12445         Follow spelling conventions.
12447 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
12449         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
12450         warn about C++0x compatibility.
12452 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
12454         * config/h8300/h8300.c, config/h8300/h8300.h,
12455         config/h8300/h8300.md: Follow spelling conventions.
12457 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
12459         PR middle-end/30667
12460         * combine.c (try_combine): Do not substitute source operand
12461         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
12463 2007-02-03  Jan Hubicka  <jh@suse.cz>
12465         PR gcov-profile/30650
12466         * value-prof.c (stringop_block_profile): Fix handling of size counter;
12467         do not divide by zero for never executed counters.
12468         (tree_find_values_to_profile): Fix counters.
12469         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
12471 2007-02-03  Ian Lance Taylor  <iant@google.com>
12473         * lower-subreg.c (simple_move_operand): New static function,
12474         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
12475         operands.
12476         (simple_move): Call simple_move_operand.
12477         (find_decomposable_subregs): Add special handling of MEMs.
12478         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
12479         meaning of return value.  If we see a hard register, test whether
12480         it can store a word_mode value.  Change all callers.
12482 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12484         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
12485         ftrapv insns and expanders.
12486         (subdi3): Change define_expand operand 1 to arith11_operand, and
12487         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
12488         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
12489         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
12490         respectively.
12492         PR middle-end/30174
12493         * varasm.c (notice_global_symbol): Treat global objects as weak when
12494         flag_shlib is true.
12496 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12498         * emit-rtl.c (dconstpi): Delete.
12499         (dconstsqrt2): New.
12500         (init_emit_once): Delete dconstpi and init dconstsqrt2.
12501         * real.h (dconstpi): Delete.
12502         (dconstsqrt2): New.
12503         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
12504         (fold_builtin_hypot): Likewise.
12506 2007-02-03  Tom Tromey  <tromey@redhat.com>
12508         PR driver/30246
12509         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
12510         -gcoff3, -gxcoff3, -gvms3 implies -dD.
12512 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
12514         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
12515         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
12516         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
12517         config/rs6000/cell.md, config/rs6000/darwin.h,
12518         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
12519         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
12520         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
12521         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
12522         typos.  Follow spelling conventions.
12523         * doc/invoke.texi: Follow spelling conventions.
12525 2007-02-03  Roger Sayle  <roger@eyesopen.com>
12527         * simplify-rtx.c (simplify_relational_operation_1): Implement some
12528         canonicalization transformations that attempt to simplify integer
12529         constant comparisons to become comparisons against zero.
12531 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12533         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
12534         fabs(x)*sqrt(2).
12535         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
12536         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
12538 2007-02-02  Mike Stump  <mrs@apple.com>
12540         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
12541         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
12542         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
12543         generate a branch island.
12545 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
12547         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
12548         (xtensa_legitimate_address_p): New.
12549         (xtensa_legitimize_address): New.
12550         (xtensa_output_addr_const_extra): New.
12551         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
12552         (BASE_REG_P): New.
12553         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
12554         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
12555         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
12556         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
12557         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
12558         (xtensa_legitimize_address): New.
12559         (xtensa_output_addr_const_extra): New.
12561 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
12563         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
12565 2007-02-02  Ian Lance Taylor  <iant@google.com>
12567         * expmed.c (expand_divmod): Add comment.
12569 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
12571         * emit-rtl.c (renumber_insns): Remove.
12572         * flags.h: Remove the extern for flag_renumber_insns.
12573         * rtl.h: Remove the prototype for renumber_insns.
12574         * toplev.c (flag_renumber_insns): Remove.
12576 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
12578         Revert for x86 darwin:
12579         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
12581         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
12582         code before the following patch under TARGET_MACHO.
12583         (ix86_function_value_regno_p): Likewise.
12585 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12587         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
12588         COMPLEX_EXPR.
12590 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
12592         PR target/29682
12593         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
12594         general or fp registers.  Add comments.
12595         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
12597 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
12599         * pointer-set.c (insert_aux): Only return insertion slot.
12600         (pointer_set_insert): Adjust.
12601         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
12602         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
12603         pointer_map_traverse): New.
12604         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
12605         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
12606         pointer_map_contains, pointer_map_traverse): Declare.
12608 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
12610         PR middle-end/30473
12611         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
12612         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
12614 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
12616         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
12618         (struct _dep): New type.
12619         (dep_t): New typedef.
12620         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
12621         (DEP_STATUS): New access macro.  The macro with the same name was
12622         renamed to DEP_LINK_STATUS.
12623         (dep_init): Declare function
12625         (struct _dep_link): New type.
12626         (dep_link_t): New typedef.
12627         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
12628         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
12629         (DEP_LINK_STATUS): New macro.
12630         (debug_dep_links): New debug function.
12632         (struct _deps_list): New type.
12633         (deps_list_t): New typedef.
12634         (DEPS_LIST_FIRST): New access macro.
12635         (FOR_EACH_DEP_LINK): New cycle macro.
12636         (create_deps_list, free_deps_list, delete_deps_list): Declare
12637         functions.
12638         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
12639         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
12640         (copy_deps_list_change_con): Ditto.
12642         (move_dep_link): Declare function.
12644         (struct _dep_node): New type.
12645         (dep_node_t): New typedef.
12646         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
12648         (struct haifa_insn_data.back_deps): New field to hold backward
12649         dependencies of the insn.
12650         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
12651         to deps_list_t.
12652         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
12653         Change its type to deps_list_t.
12654         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
12655         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
12656         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
12658         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
12660         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
12662         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
12663         all callers.
12664         (dep_cost): Declare.
12666         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
12667         (ds_to_dk, dk_to_ds): New functions.
12669         (init_dep_1): New static function.
12670         (init_dep): New function.
12671         (copy_dep): New static function.
12673         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
12674         functions.
12675         (detach_dep_link): New static function.
12676         (move_dep_link): New function.
12678         (dep_links_consistent_p, dump_dep_links): New static functions.
12679         (debug_dep_links): New debugging function.
12681         (deps_obstack, dl_obstack, dn_obstack): New static variables.
12683         (alloc_deps_list, init_deps_list): New static functions.
12684         (create_deps_list): New function.
12685         (clear_deps_list): New static function.
12686         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
12687         (deps_list_consistent_p, dump_deps_list): New static functions.
12688         (debug_deps_list): New function.
12689         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
12690         functions.
12691         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
12693         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
12694         use new scheduler dependencies lists.
12695         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
12696         (sched_analyze): Ditto.  Initialize dependencies lists.
12697         (add_forw_dep, compute_forward_dependences): Update to use new
12698         scheduler dependencies lists.
12700         (init_dependency_caches): Init deps_obstack.
12701         (free_dependency_caches): Free deps_obstack.
12703         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
12704         new scheduler dependencies lists.
12705         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
12706         (add_back_forw_dep, delete_back_forw_dep): Ditto.
12708         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
12709         Update to use new scheduler dependencies lists.
12710         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
12711         (debug_dependencies): Ditto.
12712         (schedule_region): Update comments.
12714         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
12715         scheduler dependencies lists.
12716         (schedule_ebb): Update comments.
12718         * rtl.def (DEPS_LIST): Remove.
12720         * lists.c (unused_deps_list): Remove.
12721         (free_list): Update assertions.
12723         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
12724         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
12726         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
12727         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
12729         * haifa-sched.c (comments): Update.
12730         (insn_cost1): Remove.  Inline the code into insn_cost ().
12731         (insn_cost): Update to use new scheduler dependencies lists.  Move
12732         processing of the dependency cost to dep_cost ().
12733         (dep_cost): New function.  Use it instead of insn_cost () when
12734         evaluating cost of the dependency.  Use compatible interface to
12735         interact with the target.
12736         (priority): Update to use new scheduler dependencies lists.
12737         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
12738         with greater number of insns that depend on the insn.
12739         (schedule_insn): Update to use new scheduler dependencies lists.  Add
12740         code to free backward dependencies lists.  Inline and optimize code
12741         from resolve_dep () - see PR28071.
12742         (ok_for_early_queue_removal): Update to use new scheduler dependencies
12743         lists.  Update call to targetm.sched.is_costly_dependence hook.
12745         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
12746         scheduler dependencies lists.
12748         (resolve_dep): Remove.  Move the logic to schedule_insn ().
12749         (init_h_i_d): Initialize dependencies lists.
12751         (process_insn_depend_be_in_spec): Rename to
12752         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
12753         dependencies lists.
12754         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
12755         Update to use new scheduler dependencies lists.
12756         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
12758         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
12759         new scheduler dependencies lists.
12760         (build_intra_loop_deps): Ditto.
12762         * target.h (struct _dep): Declare to use in
12763         gcc_target.sched.is_costly_dependence.
12764         (struct gcc_target.sched.adjust_cost): Fix typo.
12765         (struct gcc_target.sched.is_costly_dependence): Change signature to use
12766         single dep_t parameter instead of an equivalent triad.
12767         (struct gcc_target.sched.adjust_cost_2): Remove.
12769         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
12771         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
12773         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
12774         documentation.
12775         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
12777         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
12778         (REG_DEP_TRUE): Document.
12780         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
12781         Change signature to correspond to the targetm.sched.adjust_cost hook.
12782         Update use in TARGET_SCHED_ADJUST_COST_2.
12783         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
12784         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
12785         new scheduler dependencies lists.
12786         (ia64_gen_check): Ditto.
12788         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
12789         dependencies lists.
12791         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
12792         signature to correspond to the targetm.sched.is_costly_dependence hook.
12793         (is_costly_group): Update to use new scheduler dependencies lists.
12795         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
12796         instead of INSN_COST () macro.
12798 2007-02-01  Ian Lance Taylor  <iant@google.com>
12800         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
12802 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
12804         * pa.md (tp_load): Correct mfctl instruction syntax.
12806 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
12808         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
12809         altivec_padding_size calculation on AIX.  Improve comment, add
12810         assert to verify that it's right.
12812         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
12813         64-bit.
12815 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
12817         PR inline-asm/28686
12818         * global.c (global_alloc): Add mising initialization of
12819         ELIMINABLE_REGSET.
12821 2007-02-01  Roger Sayle  <roger@eyesopen.com>
12823         * alias.c (init_alias_analysis): Correct whitespace.
12824         * bb-reorder.c (fix_edges_for_rarely_executed_code,
12825         partition_hot_cold_basic_blocks): Likewise.
12826         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
12827         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
12828         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
12829         fold_builtin_snprintf_chk, fold_builtin_printf,
12830         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
12831         do_mpfr_arg3, do_mpfr_sincos): Likewise.
12832         * cfgcleanup.c (cleanup_cfg): Likewise.
12833         * cfgexpand.c (tree_expand_cfg): Likewise.
12834         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
12835         * function.c (get_next_funcdef_no): Likewise.
12836         * gengtype.c (main): Likewise.
12837         * genmodes.c (main): Likewise.
12838         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
12839         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
12840         * ifcvt.c (noce_emit_move_insn): Likewise.
12841         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
12842         Likewise.
12843         * stor-layout.c (get_best_mode): Likewise.
12844         * tree-ssa-loop-niter.c (get_val_for): Likewise.
12845         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
12846         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
12847         perform_var_substitution, solve_graph): Likewise.
12848         * tree-vrp.c (vrp_finalize): Likewise.
12850 2007-02-01  Ian Lance Taylor  <iant@google.com>
12852         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
12853         high part of a paradoxical subreg, return a constant zero.
12855 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
12857         * toplev.c (lang_dependent_init): Call init_set_costs.
12858         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
12860 2007-02-01  Richard Guenther  <rguenther@suse.de>
12862         PR middle-end/30656
12863         * fold-const.c (fold_negate_expr): Allow negating a
12864         constant if overflow does not change.
12866 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12868         * doc/c-tree.texi (Expression trees): Improve markup.
12869         * doc/tm.texi (Register Classes, Addressing Modes)
12870         (Floating Point): Fix spacing after abbreviations.  Fix some
12871         typos.
12873 2007-02-01  Ben Elliston  <bje@au.ibm.com>
12875         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
12876         * doc/contrib.texi: Likewise.
12877         * doc/install.texi: Likewise.
12879 2007-01-31  Richard Henderson  <rth@redhat.com>
12880             Ian Lance Taylor  <iant@google.com>
12882         * lower-subreg.c: New file.
12883         * rtl.def (CONCATN): Define.
12884         * passes.c (init_optimization_passes): Add pass_lower_subreg and
12885         pass_lower_subreg2.
12886         * emit-rtl.c (update_reg_offset): New static function, broken out
12887         of gen_rtx_REG_offset.
12888         (gen_rtx_REG_offset): Call update_reg_offset.
12889         (gen_reg_rtx_offset): New function.
12890         * regclass.c: Revert patch of 2006-03-05, restoring
12891         reg_scan_update.
12892         (clear_reg_info_regno): New function.
12893         * dwarf2out.c (concatn_loc_descriptor): New static function.
12894         (loc_descriptor): Handle CONCATN.
12895         * common.opt (fsplit_wide_types): New option.
12896         * opts.c (decode_options): Set flag_split_wide_types when
12897         optimizing.
12898         * timevar.def (TV_LOWER_SUBREG): Define.
12899         * rtl.h (gen_reg_rtx_offset): Declare.
12900         (reg_scan_update): Declare.
12901         * regs.h (clear_reg_info_regno): Declare.
12902         * tree-pass.h (pass_lower_subreg): Declare.
12903         (pass_lower_subreg2): Declare.
12904         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
12905         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
12906         -fsplit-wide-types.
12907         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
12908         * Makefile.in (OBJS-common): Add lower-subreg.o.
12909         (lower-subreg.o): New target.
12911 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
12913         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
12915 2007-01-31  Anatoly Sokolov <aesok@post.ru>
12917         PR target/19087
12918         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
12920 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12922         PR middle-end/29335
12923         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
12925 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
12927         * cfgloop.h: Include vec-prim.h.
12928         (enum li_flags): Remove LI_ONLY_OLD.
12929         (loop_iterator): Changed.
12930         (fel_next, fel_init): Iterate over loop tree.
12931         (FOR_EACH_LOOP_BREAK): New macro.
12932         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
12933         FOR_EACH_LOOP.
12934         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
12935         * modulo-sched.c (sms_schedule): Ditto.
12936         * tree-vectorizer.c (vectorize_loops): Ditto.
12937         * doc/loop.texi: Update information on loop numbering and behavior of
12938         FOR_EACH_LOOP wrto new loops.
12939         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12940         add_to_evolution_1): Test nestedness of loops instead of comparing
12941         their numbers.
12942         * tree-chrec.c (chrec_fold_plus_poly_poly,
12943         chrec_fold_multiply_poly_poly, chrec_evaluate,
12944         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
12945         reset_evolution_in_loop): Ditto.
12946         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
12948 2007-01-31  Dirk Mueller  <dmueller@suse.de>
12950         * c-common.c (warn_about_parentheses): Separate warning about
12951         un-parenthized sequence of comparison operators from the one
12952         which is supposed to warn about x <= y <= z.
12954 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
12956         * optabs.h (enum optab_index): Add new OTI_isinf.
12957         (isinf_optab): Define corresponding macro.
12958         * optabs.c (init_optabs): Initialize isinf_optab.
12959         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
12960         patterns.
12961         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
12962         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
12963         using isinf_optab.
12964         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
12965         expand_builtin_interclass_mathfn.
12966         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
12967         * config/i386/i386.md (UNSPEC_FXAM): New constant.
12968         (fxam<mode>2_i387): New insn pattern.
12969         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
12970         built-in functions as x87 inline asm.
12972 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
12974         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
12976 2007-01-30  Eric Christopher  <echristo@apple.com>
12978         * config.gcc: Add geode.
12980 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
12982         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
12983         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
12984         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
12985         value-prof.c: Fix comment typos.
12987 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12989         PR c++/24745
12990         * doc/invoke.texi (Wpointer-arith): Document warning.
12992 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
12994         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
12995         the list of discrepancies from the draft TR.
12997 2007-01-30  Dirk Mueller  <dmueller@suse.de>
12999         PR c++/30601
13000         * doc/invoke.texi (-Wreturn-type): Update description to
13001         match new behavior.
13003 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
13005         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
13007 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
13009         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
13010         to handle optabs that operate on floating point input argument and
13011         output to integer output.
13012         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
13013         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
13014         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
13015         expand_builtin_interclass_mathfn ().
13016         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
13017         (ilogbsi2): Remove.
13018         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
13019         ilogbl built-in functions as x87 intrinsics.
13021 2007-01-30  Richard Guenther  <rguenther@suse.de>
13023         PR middle-end/27657
13024         * dwarf2out.c (reference_to_unused): Query varpool if the
13025         variable was output.
13027 2007-01-30  Richard Guenther  <rguenther@suse.de>
13029         PR middle-end/30313
13030         * passes.c (execute_one_pass): Reset in_gimple_form to not
13031         confuse non-unit-at-a-time mode.
13033 2007-01-29  Roger Sayle  <roger@eyesopen.com>
13034             Richard Guenther  <rguenther@suse.de>
13036         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
13037         avoid undefined behaviour on overflow.  Use force_fit_type_double
13038         to construct the constant with the specified TREE_OVERFLOW.
13040 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
13042         * config/dfp-bit.c: Add parameterized support for fp exceptions.
13043         * config/dfp-bit.h: Ditto.
13045 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13047         * c-decl.c (pop_scope): Replace warnings with call to
13048         warn_for_unused_label.
13049         * c-common.h (warn_for_unused_label): Declare.
13050         * c-common.c (warn_for_unused_label): Define.
13052 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13054         * tree-optimize.c (update_inlined_to_pointers): Delete unused
13055         function.
13057 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
13059         * Makefile.in (USER_H): Remove decfloat.h.
13060         * ginclude/decfloat.h: Delete, moving contents to ...
13061         * ginclude/float.h: Add support for decimal floating point,
13062         guarded by __STDC_WANT_DEC_FP__.
13064 2007-01-29  Mike Stump  <mrs@apple.com>
13066         * doc/gccint.texi (Top): Rename Loop Representation to Loop
13067         Analysis and Representation to resolve case insensitive conflict.
13068         * doc/loop.texi (Loop Analysis and Representation): Likewise.
13070 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
13072         * tree.h (struct tree_memory_tag): Add aliases member.
13073         (MTAG_ALIASES): New macro.
13074         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
13075         (add_may_alias): Remove pointer-set. Update for may_aliases being
13076         a bitmap.
13077         (mark_aliases_call_clobbered): Update for may_aliases being a
13078         bitmap.
13079         (compute_tag_properties): Ditto.
13080         (create_partition_for): Ditto.
13081         (compute_memory_partitions): Ditto.
13082         (dump_may_aliases_for): Ditto.
13083         (is_aliased_with): Ditto.
13084         (add_may_alias_for_new_tag): Ditto.
13085         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
13086         (compute_is_aliased): New function.
13087         (compute_may_aliases): Call compute_is_aliased).
13088         (init_alias_info): Initialize alias_bitmap_obstack.
13089         (union_alias_set_into): New function.
13090         (compute_flow_sensitive_aliasing): Use union_aliases_into.
13091         (have_common_aliases_p): Rewrite to take two bitmaps and use
13092         intersection.
13093         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
13094         Update for bitmaps.
13095         (finalize_ref_all_pointers): Update for add_may_alias changes.
13096         (new_type_alias): Ditto.
13097         * tree-flow-inline.h (may_aliases): Return a bitmap.
13098         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
13099         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
13100         may_aliases being a bitmap.
13101         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
13102         may_aliases now returns a bitmap.
13103         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
13104         being a bitmap.
13105         * tree-ssa-operands.c (add_virtual_operand): Update for
13106         may_aliases being a bitmap.
13108 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
13110         PR tree-optimization/30630
13111         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
13112         variable as changed.
13114 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
13116         PR c++/28266
13117         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
13118         expanded only once even if an error occurs.
13120 2007-01-29  Ben Elliston  <bje@au.ibm.com>
13122         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
13123         (__gcov_average_profiler): Likewise.
13124         (__gcov_ior_profiler): Likewise.
13125         (__gcov_merge_ior): Likewise.
13127 2007-01-28  Jan Hubicka  <jh@suse.cz>
13129         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
13130         * value-prof.c (stringop_block_profile): Likewise.
13132 2007-01-28  Jan Hubicka  <jh@suse.cz>
13134         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
13135         variant handling histograms; add wrapper.
13136         (clear_storage_via_libcall): Export.
13137         (emit_block_move_hints): Break out from ...; add histograms.
13138         (emit_block_move): ... this one.
13139         (clear_storage_hints): Break out from ...; add histograms.
13140         (clear_storage): ... this one.
13141         (set_storage_via_memset): Handle histogram.
13142         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
13143         (clear_storage_hints, clear_storage_via_libcall): Declare.
13144         (set_storage_via_setmem): Update prototype.
13145         * doc/md.texi (movmem, setmem): Document new arguments.
13147         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
13148         new histograms.
13149         (stringop_block_profile): New global function.
13150         (tree_stringops_values_to_profile): Profile block size and alignment.
13151         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
13152         HIST_TYPE_IOR.
13153         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
13154         (stringop_block_profile): Declare.
13155         * builtins.c: Include value-prof.h.
13156         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
13157         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
13158         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
13159         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
13160         * profile.c (instrument_values): Add new counters.
13161         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
13162         calls.
13163         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
13164         (tree_init_edge_profiler): Build new profilers.
13165         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
13166         (pass_tree_profile): Add dump.
13167         (tree_profile_hooks): Update.
13168         * Makefile.in (LIBGCOV): Add new constants.
13169         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
13170         __gcov_ior_profiler): New.
13171         * i386.md (movmem/setmem expanders): Add new optional arguments.
13173 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
13175         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
13177 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
13179         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
13180         (tree_unswitch_single_loop): Pass eni_size_weights to
13181         tree_num_loop_insns.
13182         * tree-ssa-loop-manip.c: Include tree-inline.h.
13183         (can_unroll_loop_p): Pass eni_size_weights to
13184         tree_num_loop_insns.
13185         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
13186         Pass eni_size_weights to estimate_num_insns.
13187         * tree.h (init_inline_once): Export.
13188         * toplev.c (backend_init): Call init_inline_once.
13189         * cgraphunit.c (cgraph_process_new_functions,
13190         cgraph_analyze_function): Pass eni_inlining_weights to
13191         estimate_num_insns.
13192         * ipa-inline.c (compute_inline_parameters): Ditto.
13193         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
13194         to estimate_num_insns.
13195         (try_unroll_loop_completely): Pass eni_size_weights to
13196         tree_num_loop_insns.
13197         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
13198         ot estimate_num_insns.
13199         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
13200         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
13201         * tree-inline.c (eni_inlining_weights, eni_size_weights,
13202         eni_time_weights): New variables.
13203         (init_inline_once): Initialize them.
13204         (struct eni_data): Mew.
13205         (estimate_num_insns_1, estimate_num_insns): Use weights.
13206         * tree-inline.h (struct eni_weights_d): New.
13207         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
13208         (estimate_num_insns): Declaration changed.
13209         * cfgloop.h (tree_num_loop_insns): Declaration changed.
13210         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
13211         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
13213 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
13215         * tree-data-ref.c (conflict_fn): Assert that the number of affine
13216         relations in the conflict function is valid.
13218 2007-01-27  Ian Lance Taylor  <iant@google.com>
13220         * common.opt: Add fstrict-overflow.
13221         * opts.c (decode_options): Set flag_strict_overflow if -O2.
13222         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
13223         (TYPE_OVERFLOW_UNDEFINED): Define.
13224         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
13225         Replace all uses.
13226         * tree.h (TYPE_TRAP_SIGNED): Don't define.
13227         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
13228         (fold_negate_expr): Likewise.
13229         (make_range): Likewise.
13230         (extract_muldiv_1): Likewise.
13231         (maybe_canonicalize_comparison): Likewise.
13232         (fold_comparison): Likewise.
13233         (fold_binary): Likewise.
13234         (tree_expr_nonnegative_p): Likewise.
13235         (tree_expr_nonzero_p): Likewise.
13236         * tree-vrp.c (compare_values): Likewise.
13237         (extract_range_from_binary_expr): Likewise.
13238         (extract_range_from_unary_expr): Likewise.
13239         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
13240         Likewise.
13241         (nowrap_type_p): Likewise.
13242         * tree-scalar-evolution.c (simple_iv): Likewise.
13243         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
13244         (build_range_check): Likewise.
13245         (extract_muldiv_1): Likewise.
13246         (fold_comparison): Likewise.
13247         * tree-vrp.c (vrp_int_const_binop): Likewise.
13248         (extract_range_from_unary_expr): Likewise.
13249         * convert.c (convert_to_integer): Likewise.
13250         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
13251         (fold_comparison): Likewise.
13252         (fold_binary): Likewise.
13253         * optabs.c (optab_for_tree_code): Likewise.
13254         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
13255         * simplify-rtx.c (simplify_const_relational_operation): Check
13256         flag_strict_overflow and flag_trapv.
13257         (simplify_const_relational_operation): Likewise.
13258         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
13259         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
13260         -fstrict-overflow.
13262 2007-01-27  Roger Sayle  <roger@eyesopen.com>
13264         * tree.c (tree_fold_gcd): Delete.
13265         * tree.h (tree_fold_gcd): Remove prototype.
13266         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
13267         test whether one constant integer is a multiple of another.  Instead
13268         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
13269         * fold-const.c (multiple_of_p):  We've determined both TOP and
13270         BOTTOM are integer constants so we can call int_const_binop directly
13271         instead of the more generic const_binop.
13273 2007-01-27  Roger Sayle  <roger@eyesopen.com>
13275         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
13276         1*X check that the constant hasn't overflowed, to preserve the
13277         TREE_OVERFLOW bit.
13278         (round_up): Provide an efficient implementation when rouding-up an
13279         INTEGER_CST to a power-of-two.
13281 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13283         * doc/sourcebuild.texi: Add comma for clarity.
13284         * doc/extend.texi: Fix some typos.
13285         * doc/passes.texi: Likewise.
13286         * doc/cppinternals.texi: Likewise.
13287         * doc/c-tree.texi: Likewise.
13288         * doc/tree-ssa.texi: Likewise.
13289         * doc/install.texi: Likewise.
13291 2007-01-27  Jan Hubicka  <jh@suse.cz>
13293         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
13294         (pass_sra): Do not require alias information.
13295         * passes.c (init_optimization_passes): Add SRA
13297 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
13299         * tracer.c (rest_of_handle_tracer): We already cleaned
13300         up the CFG in tracer() so don't do it here again.
13301         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
13302         cleanup_cfg here, either.  And don't call renumber_insns.
13304         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
13305         and BB_HEAD are in the insn stream here.  Instead make sure
13306         that BB_INSN is valid on all insns.  Also, do check here that
13307         there are no pending branch predictions...
13308         (rtl_verify_flow_info): ...instead of doing it here.  Checks
13309         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
13310         here.
13312 2007-01-26  Roger Sayle  <roger@eyesopen.com>
13314         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
13315         function to simplify/factorize operand order canonicalization.
13316         (ix86_fixup_binary_operands): Reorganize using the above function.
13317         (ix86_binary_operator_ok): Likewise.
13319 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
13321         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
13322         file scope from optimize_attrs.
13323         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
13324         up search.
13325         (optimize_attrs): Clear insn_code_values after freeing it.
13327 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
13329         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
13330         a parts.base assignment.
13332 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
13334         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
13335         (compute_subscript_distance, initialize_data_dependence_relation,
13336         finalize_ddr_dependent, analyze_ziv_subscript,
13337         analyze_siv_subscript_cst_affine,
13338         compute_overlap_steps_for_affine_univar,
13339         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
13340         analyze_siv_subscript, analyze_miv_subscript,
13341         analyze_overlapping_iterations, subscript_dependence_tester_1,
13342         compute_self_dependence, free_dependence_relation): Work
13343         with affine_fn instead of chrecs.
13344         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
13345         common_affine_function, affine_function_base,
13346         affine_function_constant_p, affine_fn_op, affine_fn_plus,
13347         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
13348         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
13349         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
13350         (all_chrecs_equal_p): Removed.
13351         * tree-data-ref.h (affine_fn, conflict_function): New types.
13352         (struct subscript): Change type of conflicting_iterations_in_a
13353         and conflicting_iterations_in_b.
13355 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
13357         PR other/30182
13358         * config/pa/pa.h (TARGET_HPUX_11): New.
13359         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
13360         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
13362 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
13363         Richard Guenther  <rguenther@suse.de>
13365         * tree-ssa-structalias.c (solve_graph): Handle case
13366         we merged the variable to another.
13368 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13370         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
13371         functions.
13373         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
13374         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
13376 2007-01-25  DJ Delorie  <dj@redhat.com>
13378         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
13379         allow changes to modes which don't fit in those registers.
13381         * reload1.c (choose_reload_regs): Check for invalid subregs before
13382         computing their locations, not after.
13384 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
13386         PR 25127
13387         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
13388         save Altivec registers in an eh_return function.
13389         (compute_vrsave_mask): Likewise.
13390         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
13391         for saving Altivec registers.
13392         (rs6000_emit_prologue): Don't allocate stack twice in
13393         eh_return function.  Correct expected value of altivec_save_offset
13394         when using save_world.  Describe save of R0 to stack when using
13395         save_world.  Describe stack pointer adjustment when using
13396         save_world.  Remove duplicated eh_return parameter register saving.
13397         Update sp_offset variable after save_world.
13398         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
13399         darwin-world.asm.
13400         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
13401         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
13402         implies Altivec.
13404 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
13406         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
13408 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
13410         PR other/30182
13411         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
13412         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
13414 2007-01-25  Richard Guenther  <rguenther@suse.de>
13416         * doc/invoke.texi (-Wcoverage-mismatch): Document.
13417         * common.opt (-Wcoverage-mismatch): New warning option.
13418         * coverage.c (get_coverage_counts): Ignore coverage mismatch
13419         if -Wcoverage-mismatch is given.
13421 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
13423         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
13424         (ipcp_driver): Change to static definition.
13425         Add dumping of the ifunctions.
13426         (constant_val_insert): Remove unused parameter. Support for SSA.
13427         (ipcp_propagate_const): Support for SSA.
13428         (ipcp_profile_bb_print): Print only analyzed nodes.
13429         (ipcp_replace_map_create): Remove support for Fortran constant
13430         for now.
13431         * ipa-prop.c (ipa_method_modify_stmt,
13432         ipa_callsite_compute_param): Support for SSA.
13433         * ipa-prop.h (ipcp_driver): Remove declaration.
13434         (IS_VALID_TREE_MAP_INDEX): Add define.
13436 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
13438         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
13440 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13442         PR middle-end/30447
13443         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
13444         constant argument to cabs and do it without checking for
13445         -funsafe-math-optimizations.
13447 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
13449         * c-common.h (RID_FIRST_CXX0X): New.
13450         (RID_LAST_CXX0X): New.
13451         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
13452         by -Wall.
13453         * c.opt (Wc++0x-compat): New.
13454         * doc/invoke.texi (-Wc++0x-compat): Document.
13456 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13458         * builtins.c (fold_builtin_carg): New.
13459         (fold_builtin_1): Use it.
13461 2007-01-24  Jan Hubicka  <jh@suse.cz>
13463         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
13465         * ipa-inline.c (initial_insns, max_insns): Delete.
13466         (compute_max_insns): New function.
13467         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
13468         of insns as base for code growth.
13469         (cgraph_decide_inlining): Make initial_insns local; do not compute
13470         max_insns.
13471         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
13472         * doc/invoke.texi (inline-unit-growth): Update docs.
13474 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
13476         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
13477         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
13478         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
13479         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
13480         for CPUs that have PTA_CX16 set.
13482         PR middle-end/27416
13483         * gimplify.c (omp_check_private): New function.
13484         (gimplify_scan_omp_clauses): Use it for
13485         firstprivate/lastprivate/reduction.
13487         PR middle-end/30494
13488         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
13489         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
13491         PR middle-end/30421
13492         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
13493         If lower_lastprivate_clauses emits some statements, append them
13494         to dlist rather than body_p and to body_p append an initializer.
13495         (lower_omp_for): Adjust caller.
13497 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
13499         * target.h (globalize_decl_name): New.
13500         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
13501         * output.h (default_globalize_decl_name): New.
13502         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
13503         globalize_label.
13504         (globalize_decl): Ditto.
13505         (default_globalize_decl_name): New.
13506         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
13507         (ia64_handle_version_id_attribute): New.
13508         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
13509         (ia64_asm_output_external): Use globalize_decl_name instead
13510         of globalize_label.
13511         * doc/extend.texi (version_id): New pragma.
13512         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
13514 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
13516         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
13517         _uleb128_t and _Unwind_SWord with _sleb128_t.
13518         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
13519         uw_frame_state_for, uw_update_context_1): Likewise.
13520         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
13521         * unwind-pe.h (read_uleb128, read_sleb128,
13522         read_encoded_value_with_base): Likewise.
13523         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
13525 2007-01-24  Richard Guenther  <rguenther@suse.de>
13527         * builtins.c (expand_builtin_cexpi): Get the fndecl
13528         for cexp in the correct way.
13530 2007-01-24  Jan Hubicka  <jh@suse.cz>
13532         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
13534 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
13536         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
13537         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
13538         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
13539         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
13540         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
13541         __SIZEOF_PTRDIFF_T__.
13542         * doc/cpp.texi: Documentation for the new builtin macros added.
13544 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
13546         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
13547         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
13548         instead of operands[2] to avoid access past the end of array.
13550 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
13552         * reload1.c (emit_reload_insns): Pass the reload register
13553         for a non-spill output reload through forget_old_reloads_1.
13555 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
13557         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
13558         _SOFT_DOUBLE if doubles use software floating-point.
13559         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
13560         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
13561         * config/rs6000/darwin-ldouble.c: Also compile functions for
13562         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
13563         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
13564         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
13565         commented-out long double override.
13566         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
13567         * config/rs6000/eabispe.h: Likewise.
13568         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
13569         long double for non-SPE.
13570         (rs6000_handle_option): Likewise.
13571         (invalid_e500_subreg): Disallow more subregs involding DImode,
13572         DFmode, TImode or TFmode.
13573         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
13574         E500 double.
13575         (legitimate_lo_sum_address_p): Also check for TFmode for E500
13576         double.
13577         (rs6000_legitimize_address): Also handle TFmode for E500 double.
13578         (rs6000_legitimize_reload_address): Also handle TFmode for E500
13579         double.
13580         (rs6000_legitimate_address): Also check for TFmode for E500
13581         double.
13582         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
13583         (spe_build_register_parallel): Handle TFmode and TCmode.
13584         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
13585         double.
13586         (function_arg): Handle TFmode and TCmode for E500 double.
13587         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
13588         in general.
13589         (print_operand): Handle TFmode and TImode for %y.
13590         (rs6000_generate_compare): Handle TFmode comparisons for E500
13591         double.
13592         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
13593         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
13594         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
13595         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
13596         TFmode for E500 double.
13597         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
13598         (floatsidf2): Enable for E500 double.
13599         (movtf_softfloat): Use rs6000_nonimmediate_operand.
13600         (extenddftf2): Change to extenddftf2_fprs.
13601         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
13602         depending on TARGET_E500_DOUBLE.
13603         (extendsftf2): Enable for E500 double.
13604         (trunctfdf2): Enable for E500 double.
13605         (trunctfsf2): Change to trunctfsf2_fprs.
13606         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
13607         depending on TARGET_E500_DOUBLE.
13608         (floatsitf2): Enable for E500 double.
13609         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
13610         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
13611         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
13612         (negtf2): Change to negtf2_internal.
13613         (negtf2): New expander.
13614         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
13615         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
13616         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
13617         (movdi_internal32): Use rs6000_nonimmediate_operand.
13618         (unnamed splitter): Likewise.
13619         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
13620         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
13621         (SPE64TF, DITI): New mode macros.
13622         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
13623         modes.
13624         (frob_tf_ti): New.
13625         (frob_<mode>_di_2): New.
13626         (frob_tf_di_8_2): New.
13627         (frob_di_df): Change to frob_di_<mode>; allow more modes.
13628         (frob_ti_tf): New.
13629         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
13630         more modes.
13631         (frob_ti_<mode>_8_2): New.
13632         (frob_ti_tf_2): New.
13633         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
13634         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
13635         TFmode.
13636         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
13637         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
13638         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
13639         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
13640         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
13641         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
13642         tsttflt_gp): New.
13644 2007-01-23  Ian Lance Taylor  <iant@google.com>
13646         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
13647         insn-*.o first.
13648         (OBJS-archive): Reformat, alphabetize.
13649         (OBJS): Change out_object_file to OBJS-md.
13651 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
13653         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
13654         JUMP_P and CALL_P predicates where applicable.
13655         * config/i386/i386.c: Ditto.
13656         * config/i386/i386.md: Ditto.
13657         * config/i386/mmx.md: Ditto.
13658         * config/i386/predicates.md: Ditto.
13660 2007-01-22  Andreas Schwab  <schwab@suse.de>
13662         * config/m68k/m68k.h: Fix comment.
13664 2007-01-22  Jan Hubicka  <jh@suse.cz>
13666         * passes.c (init_optimization_passes): Do not rerun
13667         pass_early_warn_uninitialized.
13669 2007-01-22  Richard Guenther  <rguenther@suse.de>
13671         PR tree-optimization/30038
13672         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
13673         function.
13674         (execute_cse_sincos_1): Likewise.
13675         (execute_cse_sincos): Likewise.
13676         (gate_cse_sincos): Likewise.
13677         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
13678         the cexpi() canonicalization of sincos().
13679         * tree-pass.h (pass_cse_sincos): Declare.
13680         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
13682 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13684         PR rtl-optimization/29329
13685         * combine.c (replaced_rhs_insn): Rename to i2mod.
13686         (replaced_rhs_value): Rename to i2mod_new_rhs.
13687         (i2mod_old_rhs): New global variable.
13688         (combine_instructions): Adjust for above change.  Save a copy of
13689         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
13690         note are substituted in the second instruction.
13691         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
13692         ditch the note if it pertains to the second eliminated register
13693         and this register is mentioned in i2mod_old_rhs.
13695         Revert:
13696         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
13698         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
13699         the insn to which the note was originally attached.
13701 2007-01-21  Jan Hubicka  <jh@suse.cz>
13703         * ipa-inline.c (inlining_mode): Comment, move up.
13704         (cgraph_decide_inlining_incrementally): Do not perform inlining
13705         itself; fix handling of flattening of self recursive functions.
13706         (cgraph_find_cycles): Remove.
13707         (cgraph_flatten_node): Remove.
13708         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
13709         (try_inline): New function.
13710         (cgraph_early_inlining): Update call of
13711         cgraph_decide_inlining_incrementally.  Apply inlining here.
13712         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
13714 2007-01-21  Dirk Mueller  <dmueller@suse.de>
13716         PR bootstrap/30511
13717         * tree-vrp.c (check_array_bounds): do not warn
13718         about ADDR_EXPR's of ARRAY_REF's which are immediately
13719         used in binary expressions.
13721 2007-01-21  Ira Rosen  <irar@il.ibm.com>
13723         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
13724         read_write_dep and macros for its access.
13725         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
13726         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
13727         argument, call vect_check_interleaving for every independent pair of
13728         data-refs. Mark loads that access the same memory location as a store
13729         in the loop.
13730         (vect_check_dependences): Remove.
13731         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
13732         call, fix the call to vect_analyze_data_ref_dependence.
13733         (vect_analyze_data_ref_access): For statements that access the same
13734         data-ref, check that they are not stores; for loads, check that there
13735         is no store that access the same location.
13737 2007-01-20  Roger Sayle  <roger@eyesopen.com>
13738             Joseph Myers  <joseph@codesourcery.com>
13740         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
13741         (-fdump-rtl-stack): Likewise.
13742         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
13743         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
13744         (-mpt-fixed): Use @minus{} for minus sign.
13745         (Using Precompiled Headers): Fix under/overfull hbox.
13747 2007-01-20  Jan Hubicka  <jh@suse.cz>
13749         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
13750         place within annotation.
13752 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13754         * pa.c (output_move_double): Change array size of xoperands to 4.
13756 2007-01-20  Jan Hubicka  <jh@suse.cz>
13758         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
13759         as temporary.
13761 2007-01-19  Ian Lance Taylor  <iant@google.com>
13763         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
13764         constant to unsigned HOST_WIDE_INT before negating.
13766 2007-01-19  Ian Lance Taylor  <iant@google.com>
13768         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
13769         to unsigned.
13770         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
13771         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
13772         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
13773         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
13774         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
13775         (realloc_vdef, realloc_vuse): Change second parameter to
13776         unsigned.
13777         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
13778         fields to unsigned.
13779         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
13780         unsigned. Change x and lim locals to unsigned.
13781         (realloc_vdef, realloc_vuse): Change num_elem parameter to
13782         unsigned.
13783         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
13784         (copy_virtual_operands): Change i and n locals to unsigned.
13786 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13788         PR middle-end/29335
13789         * builtins.c (fold_builtin_1): Handle builtin fdim.
13791 2007-01-20  Jan Hubicka  <jh@suse.cz>
13793         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
13794         * tree-ssa-structalias.c (compute_points_to_sets): Do call
13795         init_alias_heapvars.
13796         (init_alias_heapvars): Initialize only when not already initialized.
13797         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
13799 2007-01-19  Roger Sayle  <roger@eyesopen.com>
13801         * common.opt (fsigned-zeros): New command line option.
13802         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
13803         of flag_unsafe_math_optimizations.
13804         * opts.c (set_fast_math_flags): The -ffast-math command line option
13805         implies -fno-signed-zeros.
13806         (fast_math_flags_set_p): Likewise.
13808         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
13809         the documentation of -ffast-math appropriately.  Wrap long lines.
13811 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
13813         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
13814         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
13816 2007-01-19  Tomas Bily  <tbily@suse.cz>
13818         * cgraphunit.c (cgraph_finalize_function): Updating of pid
13819         * tree-profile.c:
13820         (tree_init_ic_make_global_vars): New function
13821         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
13822         (tree_gen_ic_profiler): New function
13823         (tree_gen_ic_func_profiler): New function
13824         (tree_profiling): Added calling of tree_gen_ic_func_profiler
13825         (tree_profile_hooks): Added hook for indirec/virtual calls
13826         * value-prof.c (tree_find_values_to_profile): New case for
13827         indirect calls
13828         (tree_values_to_profile): Call for determining indirect/virtual
13829         counters
13830         (tree_indirect_call_to_profile): New function
13831         (tree_ic_transform): New function
13832         (tree_ic): New function
13833         (find_func_by_pid): New function
13834         (init_pid_map): New function
13835         (tree_value_profile_transformations): Added check for
13836         indirect/virtual call transformation
13837         * value-prof.h (enum hist_type): New counter type for
13838         indirect/virtual calls
13839         (profile_hooks): Added new hook for profiling indirect/virtual
13840         calls
13841         * profile.c (instrument_values): New case for indirect/virtual
13842         call added
13843         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
13844         (GCOV_COUNTER_V_INDIR): New counter type
13845         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
13846         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
13847         call added
13848         * cgraph.c: Definition of cgraph_max_pid
13849         (cgraph_create_node): Default init of pid attribute
13850         * cgraph.h: Declaration of cgraph_max_pid
13851         (struct cgraph_node): Added pid attribute
13852         * libgcov.c (__gcov_indirect_call_profiler): New function
13853         (__gcov_one_value_profiler_body): New function
13854         (__gcov_one_value_profiler): Body was moved to
13855         __gcov_one_value_profiler_body and calls it
13857 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
13859         * doc/gty.texi (Options): Document the mark_hook option to GTY.
13860         * gengtype.c (write_types_data, write_func_for_structure,
13861         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
13862         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
13863         (walk_type, write_func_for_structure): Generate the mark_hook if
13864         needed.
13866 2007-01-19  Jan Hubicka  <jh@suse.cz>
13868         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
13869         'early' argument take inlining mode argument specifying whether to
13870         inline for size/speeed or all functions; add support for flattening;
13871         improve dumpting.
13872         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
13874 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13876         PR c++/17947
13877         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
13878         the name of the declared identifier.
13880 2007-01-19  Dirk Mueller  <dmueller@suse.de>
13882         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
13883         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
13884         duplicate evaluation.
13886 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
13888         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
13889         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
13890         to XFMode, use acosxf2 and truncate result to requested mode.
13891         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
13892         (asin<mode>2): Similarly, with asin expanders.
13893         (*fscalexf4_i387): Rename from *fscalexf4.
13894         (expNcorexf3): New expander.
13895         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
13896         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
13897         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
13898         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
13899         patterns for SSE math.
13900         (exp10<mode>2): Similarly, with exp10 expanders.
13901         (exp2<mode>2): Similarly, with exp2 expanders.
13902         (expm1<mode>2): Similarly, with expm1 expanders.
13903         (ldexp<mode>3): Similarly, with ldexp expanders.
13904         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
13905         Use gen_truncxf<mode>2_i387_noop to truncate result.
13907 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
13909         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
13910         for ColdFire targets.
13912 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
13913             Richard Sandiford  <richard@codesourcery.com>
13915         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
13916         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
13917         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
13918         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
13919         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
13920         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
13922 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
13924         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
13925         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
13926         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
13927         (*adddi_dilshr32_cf): New pattern.
13928         (adddi3, subdi3): Remove first alternatives.
13930 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
13932         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
13933         implemented using move.l, do not use its cc result for floating-point
13934         comparisons.
13936 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
13938         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
13939         from accepting 's' constraints if flag_pic.
13941 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
13943         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
13944         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
13945         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
13946         condition from TARGET_68881 to TARGET_HARD_FLOAT.
13948 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
13950         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
13951         ColdFire alternatives.
13952         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
13953         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
13954         architectures that support ff1 instruction.
13956 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
13957             Julian Brown  <julian@codesourcery.com>
13959         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
13960         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
13961         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
13962         Add commentary.
13964 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
13966         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
13967         and return a bool.
13968         (output_move_const_into_data_reg, output_move_simode_const): Delete.
13969         * config/m68k/m68k.c (const_method, const_int_cost): Take a
13970         HOST_WIDE_INT instead of an rtx.
13971         (m68k_rtx_costs): Update call accordingly.
13972         (output_move_const_into_data_reg): Likewise.  Fix formatting.
13973         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
13974         Return a bool.
13975         (output_move_simode_const): Update calls after above changes.
13976         Rework to use automatic variables and predicates like MEM_P.
13977         * config/m68k/m68k.md (pushexthisi_const): Update call to
13978         valid_mov3q_const.
13980 2007-01-19  Dirk Mueller  <dmueller@suse.de>
13982         * tree-ssa-alias.c (perform_var_substitution): Fix typo
13983         in dump_flags test.
13985 2007-01-19  Richard Guenther  <rguenther@suse.de>
13987         * builtins.c (expand_builtin_cexpi): Fall back to expanding
13988         via cexp in case sincos is not available.
13990 2007-01-19  Richard Guenther  <rguenther@suse.de>
13992         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
13993         * defaults.h (TARGET_HAS_SINCOS): Default to off.
13994         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
13995         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
13996         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
13997         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
13998         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
13999         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
14001 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
14003         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
14004         New insn patterns.
14005         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
14006         (atan2xf3): Directly generate RTL pattern.
14007         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
14008         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
14009         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
14010         disable patterns for SSE math.
14011         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
14012         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
14013         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
14014         disable patterns for SSE math.
14016 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
14018         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
14020 2007-01-18  Roger Sayle  <roger@eyesopen.com>
14022         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
14023         VIEW_CONVERT_EXPR to the same type as it's operand.
14025 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
14027         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
14028         configured for long double 128.
14030 2007-01-18  Mike Stump  <mrs@apple.com>
14032         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
14033         error.
14035 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
14037         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
14038         type correct.
14040 2007-01-18  Jan Hubicka  <jh@suse.cz>
14042         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
14043         greater than NUM_VOP_FREE_BUCKETS.
14045 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
14047         * tree-ssa-structalias.c: Update comments.
14048         (ptabitmap_obstack): Removed.
14049         (pta_obstack): New.
14050         (oldpta_obstack): Ditto.
14051         (stats): Add a few members.
14052         (struct variable_info): Remove node, complex, address_taken, and
14053         indirect_target members. Add oldsolution member.
14054         (new_var_info): Do not initialize removed members.
14055         (constraint_expr_type): Remove INCLUDES.
14056         (constraint_graph): Add size, implicit_preds, rep,
14057         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
14058         (FIRST_REF_NODE): New macro.
14059         (LAST_REF_NODE): Ditto.
14060         (FIRST_ADDR_NODE): Ditto.
14061         (find): New function.
14062         (unite): Ditto.
14063         (dump_constraint): Do not handle INCLUDES.
14064         (insert_into_complex): Do not insert duplicate constraints.
14065         (condense_varmap_nodes): Renamed and rewritten into ...
14066         (merge_node_constraints): This. Also fix bug in handling of
14067         offseted copy constraints.
14068         (clear_edges_for_node): No longer need to deal with preds at all,
14069         or removing associated preds/succs.
14070         (merge_graph_nodes): Deal with indirect_cycles.
14071         Don't deal with predecessors.
14072         (add_implicit_graph_edge): New function.
14073         (add_pred_graph_edge): Ditto.
14074         (add_graph_edge): Don't deal with predecessors.
14075         (build_constraint_graph): Removed.
14076         (build_pred_graph): New function.
14077         (build_succ_graph): Ditto.
14078         (struct scc_info): Removed in_component. Added roots, dfs, and
14079         node_mapping. Remove visited_index, unification_queue.
14080         (scc_visit): Deal with union-find we do now.
14081         Deal with cycles with REF nodes.
14082         (collapse_nodes): Renamed and rewritten to ...
14083         (unify_nodes): This.
14084         (process_unification_queue): Removed.
14085         (topo_visit): Cleanup
14086         (do_da_constraint): Use find.
14087         (do_sd_constraint): Ditto.
14088         (do_ds_constraint): Ditto.
14089         (do_complex_constraint): Ditto.
14090         (init_scc_info): Update for removed and added members.
14091         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
14092         (find_indirect_cycles): This.
14093         (equivalence_class): New variable.
14094         (label_visit): New function.
14095         (perform_variable_substitution): Rewritten.
14096         (free_var_substitution_info): New function.
14097         (find_equivalent_node): Ditto.
14098         (move_complex_constraints): Ditto.
14099         (eliminate_indirect_cycles): Ditto.
14100         (solve_graph): Only propagate changed bits.
14101         Use indirect cycle elimination.
14102         Use find.
14103         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
14104         (tree_id_eq): Renamed to ...
14105         (tree_vi_eq): This. Update for member change
14106         (insert_id_for_tree): Renamed and rewritten to ...
14107         (insert_vi_for_tree): This.
14108         (lookup_id_for_tree): Renamed and rewritten to ...
14109         (lookup_vi_for_tree): This.
14110         (get_id_for_tree): Renamed and rewritten to ...
14111         (get_vi_for_tree): Ditto.
14112         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
14113         (process_constraint): Don't handle INCLUDES.
14114         Remove special ADDRESSOF case.
14115         (find_func_aliases): Rewrite to use vi functions instead of id
14116         ones.
14117         (create_function_info_for): Ditto.
14118         (create_variable_info_for): Ditto.
14119         (intra_create_variable_infos): Ditto.
14120         (merge_smts_into): Ditto.
14121         (find_what_p_points_to): Ditto.
14122         (init_base_vars): Ditto.
14123         (init_alias_vars): Ditto.
14124         (remove_preds_and_fake_succs): New function.
14125         (dump_sa_points_to_info): Dump new stats.
14126         (dump_solution_for_var): Use find.
14127         (set_used_smts): Fix formatting.
14128         (compute_points_to_sets): Updated for new functions.
14129         (ipa_pta_execute): Ditto.
14131 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
14132             Richard Sandiford  <richard@codesourcery.com>
14134         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
14135         parallels.
14136         * calls.c (expand_call): If the return value is a PARALLEL,
14137         extract its first member.
14138         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
14139         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
14140         use FUNCTION_EXTRA_EPILOGUE.
14141         (m68k_function_value): Return a PARALLEL if the return value
14142         is of a pointer type.
14143         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
14144         (FUNCTION_EXTRA_EPILOGUE): Remove.
14145         * config/m68k/m68k.md (D0_REG): New constant.
14147 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
14149         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
14150         output a NOP for empty epilogues.
14152 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14154         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
14155         before function.  Extend register save check to include all
14156         registers, not just integer ones.
14158 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
14160         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
14161         (m68k_use_return_insn): ...this.
14162         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
14163         * config/m68k/m68k.c (use_return_insn): Rename to...
14164         (m68k_use_return_insn): ...this.
14165         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
14166         of USE_RETURN_INSN.
14168 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
14170         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
14171         nearest even, fix denormal rounding overflow.
14173 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14175         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
14176         f%$smove and f%$move.
14177         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
14178         (extendsfdf2_cf): Use fdmove instead of f%&move.
14179         (truncdfsf2_cf): Use fsmove instead of f%$smove.
14180         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
14182 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14184         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
14185         GPR<-GPR moves.
14187 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14189         * real.h (real_format): Add a canonical_nan_lsbs_set field.
14190         (coldfire_single_format): Declare.
14191         (coldfire_double_format): Likewise.
14192         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
14193         of qnan_msb_set to determine the lower bits of a canonical
14194         NaN significand.
14195         (encode_ieee_double): Likewise.
14196         (encode_ieee_quad): Likewise.
14197         (ieee_single_format): Initialize canonical_nan_lsbs_set.
14198         (mips_single_format): Likewise.
14199         (ieee_double_format): Likewise.
14200         (mips_double_format): Likewise.
14201         (ieee_extended_motorola_format): Likewise.
14202         (ieee_extended_intel_96_format): Likewise.
14203         (ieee_extended_intel_128_format): Likewise.
14204         (ieee_extended_intel_96_round_53_format): Likewise.
14205         (ibm_extended_format): Likewise.
14206         (mips_extended_format): Likewise.
14207         (ieee_quad_format): Likewise.
14208         (mips_quad_format): Likewise.
14209         (vax_f_format): Likewise.
14210         (vax_d_format): Likewise.
14211         (vax_g_format): Likewise.
14212         (i370_single_format): Likewise.
14213         (i370_double_format): Likewise.
14214         (decimal_single_format): Likewise.
14215         (decimal_double_format): Likewise.
14216         (decimal_quad_format): Likewise.
14217         (c4x_single_format): Likewise.
14218         (c4x_extended_format): Likewise.
14219         (real_internal_format): Likewise.
14220         (coldfire_single_format): New real_format.
14221         (coldfire_double_format): Likewise.
14222         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
14223         canonical_nan_lsbs_set.
14224         (pdp11_d_format): Likewise.
14225         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
14226         if TARGET_COLDFIRE_CPU.
14228 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14230         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
14231         (output_call, m68k_legitimize_call_address): Declare.
14232         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
14233         parenthesees.  Add support for a 'W' constraint.
14234         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
14235         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
14236         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
14237         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
14238         variables.
14239         (override_options): Initialize them.  Do not set flag_no_function_cse
14240         for TARGET_ID_SHARED_LIBRARY.
14241         (m68k_output_pic_call): Delete.
14242         (m68k_legitimize_call_address): New function.
14243         (print_operand): Remove the %o prefix.  Handle the %p prefix.
14244         (output_call): New function.
14245         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
14246         target address from the GOT if symbolic jumps are not allowed.
14247         * config/m68k/m68k.md (call, general_operand): Do not set
14248         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
14249         Merge separate flag_pic and !flag_pic define_insns into...
14250         (*call, *call_value): ...these new patterns.  Match the address
14251         rather than the containing MEM and require it to be a call_operand.
14252         Use output_call to generate the asm template.
14253         * config/m68k/predicates.md (const_call_operand): New predicate.
14254         (call_operand): Likewise.
14256 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
14258         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
14259         (STACK_GROWS_DOWNWARD): Define to 1.
14260         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
14261         comments, emphasizing that these values are only defaults.
14262         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
14263         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
14265 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14267         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
14269 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
14270             Richard Sandiford  <richard@codesourcery.com>
14272         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
14273         (FP_REGNO_P): New macros.
14274         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
14275         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
14276         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
14277         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
14279 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
14281         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
14282         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
14283         to $tmake_file.
14284         * config/m68k/t-floatlib: New file, extracting common code from...
14285         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
14286         * config/m68k/t-uclinux: Here.
14287         * config/m68k/fpgnulib.c: Do not compile extendeed precision
14288         routines on ColdFire targets.
14290 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
14292         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
14293         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
14294         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
14295         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
14296         explicitly set MOTOROLA to 1.
14297         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
14299 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14300             Nathan Sidwell  <nathan@codesourcery.com>
14302         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
14303         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
14304         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
14305         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
14306         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
14307         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
14308         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
14309         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
14310         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
14311         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
14312         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
14313         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
14314         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
14315         (DBX_REGISTER_NUMBER): Delete.
14316         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
14317         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
14318         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
14320 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14322         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
14323         * config/flat.h: New file.
14324         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
14325         OBJECT_FORMAT_FLAT.
14326         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
14327         indirect references for -msep-data or -mid-shared-library.
14328         Do not use PC-relative code addresses either.
14329         * config/m68k/m68k.c (override_options): Restrict -fPIC error
14330         to -mpcrel.
14331         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
14332         for shared libraries and crt1.o for executables.  Use crti.o and
14333         crtbegin.o.
14334         (ENDFILE_SPEC): Use crtend.o and crtn.o.
14335         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
14336         Do not add -elf2flt or -shared-lib-id options here.
14337         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
14338         Pass -shared-lib-id if -mid-shared-library, taking the library
14339         identifier from -mshared-library-id if given, otherwise
14340         defaulting to 0.
14341         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
14342         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
14343         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
14344         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
14345         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
14346         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
14347         and crtend.o.
14348         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
14349         jump sequence for ISA A and ISA A+.
14350         (PICJUMP): Likewise.
14352 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14354         * config.gcc (m68k-*-uclinux*): Base the port on the common
14355         and m68k GNU/Linux files rather than on the generic ELF ones.
14356         * config/m68k/uclinux.h (TARGET_VERSION): Override.
14357         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
14359 2007-01-18  Julian Brown  <julian@codesourcery.com>
14360             Richard Sandiford  <richard@codesourcery.com>
14362         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
14363         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
14364         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
14365         before redefining.
14366         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
14367         80 unconditionally.
14368         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
14370 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
14372         * doc/install.texi: Document m68k-uclinuxoldabi.
14373         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
14374         * config/m68k/uclinux-oldabi.h: New file, copied from
14375         config/m68k/uclinux.h.
14377 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
14379         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
14380         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
14381         (m32r_compute_frame_size): Use unsigned for regno.
14382         (m32r_reload_lr): Use gen_frame_mem.
14383         (pop): New.
14384         (m32r_output_function_epilogue): Don't output the function epilogue
14385         textually here.
14386         (m32r_expand_epilogue): New.
14387         (direct_return): Return false if the function has the interrupt
14388         attribute.
14389         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
14390         * config/m32r/m32r.md (epilogue): New expander.
14391         (return_lr, return_rte): New insns.
14392         (return): Make it expander.
14393         (return_normal): New expander.
14395 2007-01-18  Josh Conner  <jconner@apple.com>
14397         PR target/30485
14398         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
14399         support for UNLE, UNLT, UNGE, and UNGT.
14401 2007-01-18  Jan Hubicka  <jh@suse.cz>
14403         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
14404         * tree-tailcall (add_virtual_phis): Likewise.
14405         (optimize_tail_call): Return TODOs.
14406         (execute_tail_calls): Return TODOs.
14407         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
14408         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
14409         changed.
14410         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
14411         Cleanup cfg using TODO.
14412         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
14413         * passes.c (execute_function_todo): When cleanup did something, remove
14414         unused locals.
14415         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
14416         (make_edges): Don't cleanup_cfg.
14418 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
14420         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
14421         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
14422         operate on the top of stack.
14423         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
14424         register handling of instructions that output to the second
14425         stack slot.
14426         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
14427         (move_for_stack_reg): Special-case check for dead destination
14428         stack slot for constant load of 1.0 inside UNSPEC_TAN.
14430         * config/i386/i386.md (UNSPEC_TAN): New constant.
14431         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
14432         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
14433         to correctly model move of constant 1.0 to top stack slot.
14434         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
14435         (unnamed peephole2 pattern): Remove corresponding peephole2
14436         pattern that optimizes tan insn and loading of constant 1.0.
14437         (tanxf2): Use fptanxf4_i387.
14438         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
14439         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
14440         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
14441         disable patterns for SSE math.
14442         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
14443         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
14445 2007-01-18  Dirk Mueller  <dmueller@suse.de>
14446             Richard Guenther <rguenther@suse.de>
14448         PR diagnostic/8268
14449         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
14450         * common.opt (Warray-bounds): Add new warning option.
14451         * c-opts.c (c_common_handle_option): Define -Warray-bounds
14452         if -Wall is given.
14453         * Makefile.in: make tree-vrp.o depend on toplev.h
14454         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
14455         is enabled.
14456         (check_array_refs, check_array_bounds, check_array_ref): New.
14458 2007-01-18  Jan Hubicka  <jh@suse.cz>
14460         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
14461         (execute_ssa_ccp): Return flags conditionally.
14462         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
14463         changed.
14464         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
14466 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
14468         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
14469         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
14471         * Makefile.c (GTFILES): Add cfglayout.h.
14472         * gengtype.c (open_base_files): Likewise.
14473         * cfglayout.c (cfg_layout_function_footer,
14474         cfg_layout_function_header) Reindent to make gengtype happy.
14475         * cfglayout.h (cfg_layout_function_footer,
14476         cfg_layout_function_header): Add GTY(()) marker.
14478         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
14480 2007-01-18  Ben Elliston  <bje@au.ibm.com>
14482         * genautomata.c (write_automata): Include xstrerror output in the
14483         error message if writing the DFA description file fails.
14485 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
14487         * config/mips/mips-protos.h (mips_output_external): Make it
14488         return void.
14489         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
14490         * config/mips/mips.c (irix_output_external_libcall): Likewise.
14491         (extern_list): Likewise.
14492         (extern_head): Likewise.
14493         (TARGET_ASM_FILE_END): Likewise.
14494         (mips_file_end): Likewise.
14495         (mips_output_external): Rewritten.
14497 2007-01-18  Ben Elliston  <bje@au.ibm.com>
14499         * genpreds.c (write_insn_preds_c): Only write out the function
14500         body for regclass_for_constraint if we have register constraints.
14502 2007-01-17  Tom Tromey  <tromey@redhat.com>
14504         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
14505         * doc/install.texi (Testing): Use sourceware.org.
14506         (Binaries): Likewise.
14507         (Specific): Likewise.
14508         * doc/contrib.texi (Contributors): Use sourceware.org.
14510 2007-01-17  Anatoly Sokolov <aesok@post.ru>
14512         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
14513         (AVR_ENHANCED): Rename to ...
14514         (AVR_HAVE_MUL): ... new.
14515         (avr_enhanced_p): Rename to ...
14516         (avr_have_mul_p): ... new.
14517         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
14518         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
14519         * config/avr/avr.c (avr_enhanced_p): Rename to ...
14520         (avr_have_mul_p): ... new.
14521         (base_arch_s): Rename 'enhanced' to 'have_mul'.
14522         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
14523         'avr_enhanced_p' and 'enhanced'.
14524         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
14525         AVR_HAVE_MUL instead of AVR_ENHANCED.
14526         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
14527         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
14528         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
14529         instead of AVR_ENHANCED.
14530         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
14531         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
14532         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
14534 2007-01-17  Ian Lance Taylor  <iant@google.com>
14536         * vec.h (VEC_reserve_exact): Define.
14537         (vec_gc_p_reserve_exact): Declare.
14538         (vec_gc_o_reserve_exact): Declare.
14539         (vec_heap_p_reserve_exact): Declare.
14540         (vec_heap_o_reserve_exact): Declare.
14541         (VEC_OP (T,A,reserve_exact)): New static inline function, three
14542         versions.
14543         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
14544         negative parameter.
14545         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
14546         (VEC_OP (T,A,copy)) [all versions]: Likewise.
14547         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
14548         * vec.c (calculate_allocation): Add exact parameter.  Change all
14549         callers.
14550         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
14551         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
14552         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
14553         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
14554         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
14555         (vec_heap_p_reserve_exact): New function.
14556         (vec_heap_o_reserve_exact): New function.
14558 2007-01-17  Jan Hubicka  <jh@suse.cz>
14560         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
14562 2007-01-17  Eric Christopher  <echristo@apple.com>
14564         * config.gcc: Support core2 processor.
14566 2007-01-16  Jan Hubicka  <jh@suse.cz>
14568         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
14569         the names, just unlink the chain so we don't crash on dangling pointers
14570         to dead SSA names.
14572 2007-01-16  Jan Hubicka  <jh@suse.cz>
14574         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
14575         * tree-pass.h: Reorder to make IPA passes appear toegher.
14576         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
14577         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
14578         parameters, do not call early inliner.
14579         * ipa-inline.c: Update comments.  Include tree-flow.h
14580         (cgraph_decide_inlining): Do not compute inlining parameters.
14581         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
14582         be called with function context set up.
14583         (pass_ipa_inline): Remove unreachable functions before pass.
14584         (cgraph_early_inlining): Simplify assuming to be called from the
14585         PM as local pass.
14586         (pass_early_inline): New pass.
14587         (cgraph_gate_ipa_early_inlining): New gate.
14588         (pass_ipa_early_inline): Turn into simple wrapper.
14589         (compute_inline_parameters): New function.
14590         (gate_inline_passes): New gate.
14591         (pass_inline_parameters): New pass.
14592         (apply_inline): Move here from tree-optimize.c
14593         (pass_apply_inline): New pass.
14594         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
14595         transforming.
14596         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
14597         doing them by hand.
14598         (tree_function_versioning): Do not allocate dummy struct function.
14599         * tree-inline.h (optimize_inline_calls): Update prototype.
14600         * tree-optimize.c (execute_fixup_cfg): Export.
14601         (pass_fixup_cfg): Remove
14602         (tree_rest_of_compilation): Do not apply inlines.
14603         * tree-flow.h (execute_fixup_cfg): Declare.
14604         * Makefile.in (gt-passes.c): New.
14605         * passes.c: Include gt-passes.h
14606         (init_optimization_passes): New passes.
14607         (nnodes, order): New static vars.
14608         (do_per_function_toporder): New function.
14609         (execute_one_pass): Dump current pass here.
14610         (execute_ipa_pass_list): Don't dump current pass here.
14612 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
14614         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
14615         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
14617 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
14619         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
14620         (strong_alias): Define.
14621         (__gcc_qmul): Provide non-FMA for soft-float.
14622         (__gcc_qdiv): Same.
14623         (__gcc_qneg): New.
14624         (__gcc_qeq): New.
14625         (__gcc_qle): New.
14626         (__gcc_qge): New.
14627         (__gcc_qunord): New.
14628         (__gcc_stoq): New.
14629         (__gcc_dtoq): New.
14630         (__gcc_qtos): New.
14631         (__gcc_qtod): New.
14632         (__gcc_qtoi): New.
14633         (__gcc_qtou): New.
14634         (__gcc_itoq): New.
14635         (__gcc_utoq): New.
14636         (fmsub): New.
14637         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
14638         soft-float functions.
14639         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
14640         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
14641         about long double soft float.
14643 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
14644             Tehila Meyzels  <tehila@il.ibm.com>
14646         * tree-vectorizer.h (is_pattern_stmt_p): New.
14647         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
14648         formatting (tabs instead of spaces). Cleanup and clarify setting
14649         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
14650         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
14651         (vectorizable_type_demotion): Check that types are integral.
14652         (vectorizable_type_promotion): Likewise.
14653         (vectorizable_store): Fix typo.  Eliminate new-line at end of
14654         comments.
14656 2007-01-16  Jan Hubicka  <jh@suse.cz>
14658         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
14659         cgraph edges too.
14661 2007-01-15  Eric Christopher  <echristo@apple.com>
14663         * ifcvt.c: Include vec.h, vecprim.h.
14664         (check_cond_move_block): New argument regs.
14665         Reorganize. Add registers used to regs.
14666         (cond_move_process_if_block): Use regs set above as
14667         loop bounds.
14669 2007-01-15  Eric Christopher  <echristo@apple.com>
14671         * config/darwin.h: Update copyright.
14672         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
14673         (LINK_COMMAND_SPEC): Add -u.
14674         (LINK_SPEC): Fix umbrella for above.
14676 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
14678         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
14679         glibc CVS.
14681 2007-01-15  Tom Tromey  <tromey@redhat.com>
14683         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
14684         * doc/install.texi (Testing): Don't mention jacks.
14685         (Configuration): Document --enable-java-maintainer-mode.  Move
14686         --with-java-home to libgcj-specific section.  Document
14687         --with-ecj-jar.
14688         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
14690 2007-01-15  Jan Hubicka  <jh@suse.cz>
14692         * tree-ssa-dce.c (DCE_TODOs): New.
14693         (propagate_necessity): Return if something changed.
14694         (eliminate_unnecessary_stmts): Likewise.
14695         (perform_tree_ssa_dce): Return TODO flags when needed.
14696         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
14698 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
14700         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
14701         (fyl2x_extend<mode>xf3_i387): New insn pattern.
14702         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
14703         patterns using X87MODEF12 mode macro.  Extend operand 1
14704         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
14705         (log10<mode>2): Ditto.
14706         (log2<mode>2): Ditto.
14707         (log1p<mode>2): Ditto.
14708         (logb<mode>2): Ditto.
14709         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
14710         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
14711         (*fxtractxf3_i387): Rename from *fxtractxf3.
14712         (fxtract_extend<mode>xf3_i387): New insn pattern.
14713         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
14714         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
14715         and gen_fyl2xxf3_i387().
14717 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
14719         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
14720         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
14721         get_loop_exit_edges.  Changed return type to bool.
14722         * cfgloop.h (fix_loop_placement): Declaration removed.
14724 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
14726         * param.h (MIN_VECT_LOOP_BOUND): New.
14727         * params.def (MIN_VECT_LOOP_BOUND): New.
14728         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
14729         argument - minimum threshold for number of iterations.
14730         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
14731         argument to declaration.
14732         * tree-vect-analyze.c (vect_analyze_operations): Check value of
14733         MIN_VECT_LOOP_BOUND.
14734         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
14735         slpeel_tree_peel_loop_to_edge with additional argument.
14736         (vect_do_peeling_for_alignment): Likewise.
14737         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
14739 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
14741         PR target/30413
14742         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
14743         operands of size 1.
14745 2007-01-14  Jan Hubicka  <jh@suse.cz>
14747         * tree-dfa.c (remove_referenced_var): New function.
14748         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
14749         prune referenced vars list too.
14750         * tree-flow.h (remove_referenced_var): Declare.
14752 2007-01-14  Jan Hubicka  <jh@suse.cz>
14754         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
14755         separately.
14756         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
14757         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
14758         * except.h (verify_eh_throw_table_statements): Kill prototype.
14759         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
14760         into call exrepssions.
14761         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
14762         eh trhow verifier.
14763         * tree-cfg.c: Include pointer-set.h.
14764         (verify_node_sharing): Work on pointer set.
14765         (verify_eh_throw_stmt_node): New.
14766         (verify_stmts): Use pointers sets, verify throw_stmt.
14768 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
14770         * ipa-reference.c (analyze_function): Consider also addresses taken
14771         in phi nodes.
14773 2007-01-12  Roger Sayle  <roger@eyesopen.com>
14775         * c-typeck.c (null_pointer_constant_p): Replace use of
14776         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
14777         (build_c_cast): Likewise.
14779 2007-01-12  Roger Sayle  <roger@eyesopen.com>
14781         * tree.h (force_fit_type_double): Remove unused final argument.
14782         * c-common.c (constant_expression_warning): Replace use of
14783         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
14784         (convert_and_check): Likewise.
14785         (shorten_compare): Update call to force_fit_type_double.
14786         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
14787         * convert.c (convert_to_pointer): Update call to
14788         force_fit_type_double.
14789         * fold-const.c (force_fit_type_double): Remove overflowed_const
14790         argument.
14791         (int_const_binop, fold_convert_const_int_from_int,
14792         fold_convert_const_int_from_real, fold_div_compare,
14793         fold_sign_changed_comparison, fold_unary, fold_negate_const,
14794         fold_abs_const, fold_not_const): Remove the final argument from
14795         calls to force_fit_type_double.
14797 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14799         * configure.ac: Set insn to "nop" for spu-*-* also.
14800         * configure: Regenerate.
14802 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
14804         * builtins.def : Add BUILT_IN_FREE.
14806 2007-01-12  Jan Hubicka  <jh@suse.cz>
14808         PR tree-optimization/30443
14809         * tree-inline.c (tree_function_versioning): Do not optimize when
14810         cloning for inlining.
14812 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
14814         * doc/loop.texi: Document recording of loop exits.
14815         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
14816         (update_single_exits_after_duplication,
14817         update_single_exit_for_duplicated_loop,
14818         update_single_exit_for_duplicated_loops): Removed.
14819         (duplicate_loop_to_header_edge): Do not call
14820         update_single_exits_after_duplication and
14821         update_single_exit_for_duplicated_loops.
14822         (loop_version): Do not update single_exit information.
14823         (fix_loop_structure): Use record_loop_exits instead of
14824         mark_single_exit_loops.
14825         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
14826         the lists of loop exits.
14827         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
14828         split_edge, merge_blocks): Update the lists of loop exits.
14829         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
14830         loop_optimizer_init.
14831         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
14832         of mark_single_exit_loops.
14833         (loop_optimizer_finalize): Call release_recorded_exits.
14834         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
14835         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
14836         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
14837         update single exit information.
14838         * lambda-code.c (perfect_nestify): Ditto.
14839         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
14840         (mark_single_exit_loops): Removed.
14841         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
14842         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
14843         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
14844         functions.
14845         (get_loop_exit_edges, single_exit): Use recorded exit lists.
14846         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
14847         (verify_loop_structure): Verify consistency of the exit lists.
14848         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
14849         (set_single_exit): Removed.
14850         * cfgloop.h (struct loop_exit): New function.
14851         (struct loop): single_exit_ field replaced by exits field.
14852         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
14853         (struct loops): Added exits hash.
14854         (mark_single_exit_loops, set_single_exit): Declaration removed.
14855         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
14857 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
14859         * doc/invoke.texi: Avoid use of @headitem.
14861 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
14863         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
14865 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
14867         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
14868         list of targets.
14870 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
14871             Richard Sandiford  <richard@codesourcery.com>
14873         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
14874         * config/m68k/m68k.opt: Resort options.
14875         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
14877 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
14878             Richard Sandiford  <richard@codesourcery.com>
14880         * doc/invoke.texi: Document the macros that are defined by
14881         m68k's -mtune and -mhard-float options.
14882         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
14883         (m68k_cpp_cpu_family): Likewise.
14884         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
14885         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
14886         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
14887         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
14888         (m68k_cpp_cpu_family): Likewise.
14890 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
14892         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
14893         macros besides mc68000 as tuning macros.  Use a switch statement
14894         to set them and mcpu32.
14896 2007-01-12  Julian Brown  <julian@codesourcery.com>
14898         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
14899         (TARGET_68040_ONLY): Rename to...
14900         (TARGET_68040): ...this.
14901         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
14902         * config/m68k/m68k.md: Likewise.
14904 2007-01-12  Julian Brown  <julian@codesourcery.com>
14905             Nathan Sidwell  <nathan@codesourcery.com>
14906             Richard Sandiford  <richard@codesourcery.com>
14908         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
14909         the -mcpu= argument associated with the --with-cpu setting.
14910         Define M68K_DEFAULT_TUNE to the default -mtune= option,
14911         if different from the one implied by the -mcpu setting.
14912         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
14913         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
14914         * doc/invoke.texi: Mention ColdFire in the introduction to the
14915         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
14916         -mno-div and -mhard-float options.  Make -m68881 a synonym for
14917         -mhard-float.  Document the previously-undocumented -m5206e,
14918         -m528x, -m5307 and -m5407 options.  Tweak the existing option
14919         documentation for consistency.
14920         * doc/install.texi: Mention new --with-cpu arguments.
14921         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
14922         default CPU if neither -mcpu nor -march are specified.
14923         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
14924         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
14925         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
14926         using m68k_tune to decide between families that implement the
14927         same ISA.  Use m68k_tune to set __mcfv4e__.
14928         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
14929         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
14930         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
14931         (FL_ISA_C, FL_ISA_MMU): New macros.
14932         (MASK_COLDFIRE): Delete.
14933         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
14934         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
14935         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
14936         (TARGET_HARD_FLOAT): Do not define here.
14937         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
14938         (TUNE_68000): New macro.
14939         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
14940         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
14941         (TUNE_CFV2): Redefine in terms of m68k_tune.
14942         (uarch_type, target_device, fpu_type): New enums.
14943         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
14944         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
14945         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
14946         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
14947         (FL_FOR_isa_c): New macros.
14948         (m68k_isa): New enum.
14949         (m68k_target_selection): New structure.
14950         (all_devices, all_isas, all_microarchs): New tables.
14951         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
14952         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
14953         (MASK_ALL_CPU_BITS): Delete.
14954         (m68k_find_selection): New function.
14955         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
14956         Map the legacy target options to a combination of the new ones.
14957         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
14958         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
14959         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
14960         settings.
14961         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
14962         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
14963         properties.
14964         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
14965         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
14966         * config/m68k/m68k-devices.def: New file.
14968 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
14969             Nathan Sidwell  <nathan@codesourcery.com>
14971         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
14972         (SUBTARGET_EXTRA_SPECS): New macros.
14973         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
14974         use %(asm_cpu_spec) instead.
14975         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
14976         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
14977         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
14978         (EXTRA_SPECS): Rename to...
14979         (SUBTARGET_EXTRA_SPECS): ...this.
14981 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
14982             Richard Sandiford  <richard@codesourcery.com>
14983             Julian Brown  <julian@codesourcery.com>
14985         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
14986         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
14987         to the configuration's default CPU.
14988         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
14989         Remove default masks.
14990         (m680[012]0-*-*): Set the default with_cpu to the first part of
14991         the target name.
14992         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
14993         (m68k*-*-linux): Extend the --with-cpu handling to...
14994         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
14995         and m68010.  Don't set target_cpu_default2.
14996         * doc/install.texi: Document --with-cpu for m68k.
14997         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
14998         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
14999         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
15000         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
15001         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
15002         (ASM_SPEC): Remove use of %(asm_cpu_default).
15003         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
15004         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
15005         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
15006         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
15007         __HAVE_FPU__ if TARGET_HARD_FLOAT.
15008         (TARGET_DEFAULT): Delete.
15009         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
15010         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
15011         (CPP_CPU_SPEC): Delete.
15012         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
15013         the appropriate string.
15014         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
15015         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
15016         (ASM_SPEC): Don't use %(asm_default_spec).
15017         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15018         TARGET_DEFAULT and add MASK_68881.
15019         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
15021 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
15023         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
15024         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
15025         MASK_68010 alongside MASK_68020.
15026         * doc/invoke.texi: Document -m68010.
15027         * config/m68k/m68k.opt (m68010): New.
15028         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
15029         if TUNE_68010.
15030         (TUNE_68010): New macro.
15031         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
15032         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
15033         (M68K_CPU_m68332): Add MASK_68010.
15034         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
15035         fallback definition.
15036         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
15037         defines.
15038         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
15039         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
15040         to all entries that use MASK_68020.
15041         (output_move_simode_const, output_move_himode, output_move_qimode)
15042         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
15043         instead of TARGET_68020 to select clr behavior.  Remove comment
15044         about there being no TARGET_68010.
15045         * config/m68k/m68k.md: Likewise throughout.
15047 2007-01-12  Julian Brown  <julian@codesourcery.com>
15049         * config/m68k/m68k.h (TARGET_ISAB): New macro.
15050         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
15051         * config/m68k/m68k.md: Likewise.
15053 2007-01-12  Julian Brown  <julian@codesourcery.com>
15055         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
15056         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
15058 2007-01-12  Julian Brown  <julian@codesourcery.com>
15060         * config/m68k/m68k.h (TUNE_68040_60): New macro.
15061         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
15062         * config/m68k/m68k.md: Likewise.
15064 2007-01-12  Julian Brown  <julian@codesourcery.com>
15065             Richard Sandiford  <richard@codesourcery.com>
15067         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
15068         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
15069         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
15070         TARGET_CPU32.
15071         (TARGET_CPU32): Rename to...
15072         (TUNE_CPU32): ...this.
15073         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
15074         (TUNE_CFV2): New macros.
15075         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
15076         remove conditions that are implied by TARGET_68020.
15077         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
15078         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
15079         (m68k_output_function_epilogue): Likewise.
15080         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
15081         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
15082         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
15083         non-68000 timings.  Refactor multiplication and division costs.
15084         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
15085         TUNE_CPU32 instead of TARGET_CPU32.
15086         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
15087         and TUNE_68060 instead of TARGET_68060.
15088         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
15089         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
15090         TARGET_CPU32.
15091         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
15092         && !TARGET_COLDFIRE" to choose between moveq and clr.
15093         Likewise in the unnamed movsf pattern.
15094         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
15095         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
15096         ashiftrt pattern.
15098 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
15100         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
15101         of tabbing before backslashes.
15103 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15105         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
15106         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
15107         (ASM_OUTPUT_INTERNAL_LABEL): Define.
15109 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
15111         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
15112         find_interesting_uses_cond.
15113         (find_interesting_uses_cond): Use extract_cond_operands.
15114         (rewrite_use_compare): Use extract_cond_operands and
15115         force_gimple_operand_bsi.  Do not call update_stmt.
15116         (determine_use_iv_cost_condition): Use extract_cond_operands.
15117         Return cheaper of using original bound and changing the exit bound.
15119 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
15121         PR tree-optimization/29516
15122         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
15123         most_expensive_mult_to_index, addr_to_parts,
15124         create_mem_ref, maybe_fold_tmr): Make the type of
15125         fields of TARGET_MEM_REF sizetype.
15126         (move_fixed_address_to_symbol, move_pointer_to_base):
15127         New functions.
15128         * tree.def (TARGET_MEM_REF): Add comment on types of
15129         the operands.
15131 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
15133         * c-common.c (vector_types_convertible_p): Treat opaque types as
15134         always convertible if they have the same size, but not otherwise.
15136 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
15138         * ifcvt.c (struct noce_if_info): Add comments to the fields.
15139         Remove the b_unconditional field.
15140         (noce_try_sign_mask): Do not look at b_unconditional.
15141         (noce_process_if_block): Do not use merge_if_blocks.  Update
15142         the CFG here.  Do not set b_unconditional.
15143         (cond_move_process_if_block): Likewise.
15144         (find_cond_trap): Likewise.
15145         (check_cond_move_block): Require simple jump insns at the end
15146         of the basic block.
15148 2007-01-11  Jan Hubicka  <jh@suse.cz>
15150         PR tree-optimization/1046
15151         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
15152         when alias info is not ready.
15153         (pass_tail_recursion): Do not require aliasing.
15154         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
15155         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
15156         * tree-ssa-copy.c (pass_copy_prop): Likewise.
15157         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
15158         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
15159         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
15160         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
15161         before inlining.
15162         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
15163         When aliasing is not build, mark statement as volatile.
15165 2007-01-11  Tom Tromey  <tromey@redhat.com>
15167         PR preprocessor/15185, PR preprocessor/20989:
15168         * doc/cppopts.texi <-MT>: Update description of algorithm for
15169         computing default target.
15170         <-M, -MD>: Reword "basename" text.
15172 2007-01-11  Roger Sayle  <roger@eyesopen.com>
15174         * builtins.c (expand_builtin_pow, expand_builtin_powi,
15175         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
15176         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
15177         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
15178         fold_builtin_bswap, real_constp, fold_builtin_pow,
15179         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
15180         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
15181         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
15182         * convert.c (convert_to_pointer): Likewise.
15183         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
15184         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
15185         const_binop, fold_convert_const_int_from_int,
15186         fold_convert_const_int_from_real,
15187         fold_convert_const_real_from_real, sign_bit_p,
15188         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
15189         fold_sign_changed_comparison, fold_unary, fold_comparison,
15190         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
15191         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
15192         * print-tree.c (print_node_brief, print_node): Likewise.
15193         * stor-layout.c (place_field, layout_type): Likewise.
15194         * tree-chrec.c (keep_cast): Likewise.
15195         * tree.c (build_vector, build_real, build_real_from_int_cst,
15196         build_complex): Likewise.
15198 2007-01-11  Roger Sayle  <roger@eyesopen.com>
15200         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
15201         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
15203 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
15205         * configure.ac (strict1_warn): Rename to strict_warn.
15206         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
15207         cc_set_by_configure, quoted_cc_set_by_configure,
15208         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
15209         all_boot_languages, all_stagestuff): Remove.
15210         (target_list): Remove bootstrap targets.
15211         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
15212         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
15213         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
15214         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
15215         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
15216         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
15217         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
15218         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
15219         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
15220         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
15221         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
15222         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
15223         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
15224         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
15225         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
15226         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
15227         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
15228         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
15229         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
15230         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
15231         (mostlyclean): Adjust.
15232         (clean, distclean): Don't mention bootstrap stuff.
15233         * configure: Regenerate.
15234         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
15235         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
15236         treelang/config-lang.in (stagestuff): Remove.
15237         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
15238         stageprofile, stagefeedback, stagestuff): Remove mention.
15240 2007-01-11  Nick Clifton  <nickc@redhat.com>
15242         * config/mcore/predicates.md (mcore_general_movesrc_operand):
15243         Accept CONSTs.
15244         (mcore_general_movdst_operand): Do not accept CONST_INTs.
15245         (mcore_arith_K_S_operand): Run the test for the S constraint not
15246         the test for the M constraint.
15247         (mcore_addsub_operand): Do not accept integer values that are
15248         larger than 32 bits.
15249         * config/mcore/mcore.md: Remove unused constraints from split.
15250         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
15251         (addsi3): Likewise.
15252         (allocate_stack): Likewise.
15253         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
15254         operands to 32 bits.
15255         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
15256         INTVAL.
15257         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
15258         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
15259         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
15260         mcore_output_bclri, mcore_output_andn, output_inline_const,
15261         mcore_output_move, mcore_output_movedouble): Likewise.
15262         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
15263         (output_inline_const): Likewise.
15264         (output_inline_const): Fix format strings used in sprintf
15265         statements.
15266         * config/mcore/mcore-protos.h: Update prototypes for changed
15267         functions in mcore.c.
15268         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
15269         HOST_WIDE_INT and not int.
15270         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
15271         CONST_OK_FOR_N): Likewise.
15272         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
15273         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
15274         an INTVAL.
15276 2007-01-10  Jan Hubicka  <jh@suse.cz>
15278         * tree-vrp.c (remove_range_assertions): Release defs.
15279         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
15280         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
15282 2007-01-10  Paul Brook  <paul@codesourcery.com>
15284         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
15285         * config/arm/arm.md (mulsi3subsi): New insn.
15287 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
15289         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
15290         (tree_transform_and_unroll_loop): New.
15291         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
15292         Declare.
15294 2007-01-10  Robert Kennedy <jimbob@google.com>
15296         * fold-const.c (fold_comparison): Fold comparisons like (x *
15297         1000 < 0) to (x < 0).
15299 2007-01-10  Ian Lance Taylor  <iant@google.com>
15301         * tree-pretty-print.c (dump_generic_node): Print parentheses when
15302         operands have the same priority.
15304 2007-01-10  Tom Tromey  <tromey@redhat.com>
15306         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
15307         (fold_binary): Likewise.
15308         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
15309         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
15310         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
15311         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
15312         * langhooks.h (struct lang_hooks): Removed field
15313         'can_use_bit_fields_p'.
15315 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
15317         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
15319 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
15321         * function.c (get_last_funcdef_no): New function.
15322         * function.h (get_last_funcdef_no): Declare.
15323         * tree-inline.c (initialize_cfun): Add initialization.
15324         (tree_function_versioning): Cleanup.
15326 2007-01-10  Jan Hubicka  <jh@suse.cz>
15328         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
15329         PHIs.
15331 2007-01-10  Sa Liu  <saliu@de.ibm.com>
15332             Ben Elliston  <bje@au.ibm.com>
15334         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
15335         for SAVE_NONLOCAL and Pmode for any other save level.
15336         * spu-protos.h (spu_restore_stack_block): Declare.
15337         * spu.md (save_stack_block): Remove.
15338         (restore_stack_block): Call spu_restore_stack_block.
15339         * spu.c (spu_restore_stack_block): New function.
15340         (spu_expand_epilogue): Remove old comment.
15342 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
15344         PR tree-optimization/30322
15345         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
15346         (cand_value_at): Return the value as aff_tree.
15347         (may_eliminate_iv): Convert the bound from aff_tree to tree.
15348         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
15349         aff_combination_mult): New functions.
15350         (aff_combination_add): Use aff_combination_add_cst.
15351         (aff_combination_convert): Allow conversions to a wider type.
15352         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
15353         * tree-affine.h (aff_combination_mult): Declare.
15355 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
15357         * doc/tm.texi: Update documentation to reflect reality of exec
15358         and start file search behaviours. Update copyright year.
15359         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
15360         header file directories.
15362 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
15364         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
15365         (*cosxf2): Rename to cosxf2_i387.
15366         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
15367         using X87MODEF12 mode macro. Rename patterns to
15368         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
15369         for SSE math.
15370         (*cosdf2, *cossf2): Ditto.
15371         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
15372         to match extended input operands.
15373         (sincos<mode>3): New expander.
15374         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
15375         insn patterns and corresponding splitters.
15377 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
15379         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
15380         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
15382 2007-01-09  Nicolas Pitre  <nico@cam.org>
15384         PR target/30173
15385         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
15387 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
15389         * target.h (struct gcc_target): New field library_rtti_comdat.
15390         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
15391         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
15392         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
15393         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
15395 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
15397         * doc/invoke.texi (Optimize Options): Correct description of -O0.
15399 2007-01-08  Richard Guenther  <rguenther@suse.de>
15401         * tree.h (force_fit_type_double): Export.
15402         (force_fit_type): Remove.
15403         * fold-const.c (force_fit_type_double): New function.
15404         (force_fit_type): Remove.
15405         (int_const_binop): Use it.
15406         (fold_convert_const_int_from_int): Likewise.
15407         (fold_convert_const_int_from_real): Likewise.
15408         (fold_div_compare): Likewise.
15409         (fold_sign_changed_comparison): Likewise.
15410         (fold_unary): Likewise.
15411         (fold_negate_const): Likewise.
15412         (fold_abs_const): Likewise.
15413         (fold_not_const): Likewise.
15414         * c-common.c (shorten_compare): Use force_fit_type_double.
15415         * convert.c (convert_to_pointer): Likewise.
15417 2007-01-08  Richard Guenther  <rguenther@suse.de>
15419         * tree.h (build_int_cst_wide_type): Export.
15420         * tree.c (build_int_cst_wide_type): New function.
15421         (build_int_cst_wide): Fix comment.
15422         * builtins.c (fold_builtin_object_size): Use build_int_cst
15423         to build -1 or 0 of the correct type.  Use fit_double_type
15424         to check for overflow.
15425         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
15426         to build the mask.
15427         (decode_field_reference): Likewise.
15428         (all_ones_mask_p): Likewise.
15429         (native_interpret_int): Use build_int_cst_wide_type.
15430         (fold_binary): Use build_int_cst_type to build an all-ones
15431         value.
15432         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
15434 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
15436         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
15438 2007-01-09  Ben Elliston  <bje@au.ibm.com>
15440         * genautomata.c (STATS_OPTION): New option.
15441         (stats_flag): New flag.
15442         (gen_automata_option): Handle it.
15443         (initiate_automaton_gen): Ditto.
15444         (write_automata): Output statistics only if stats_flag is
15445         set. Likewise, output time statistics only if time_flag is set.
15446         * doc/md.texi (Processor pipeline description): Document new flag.
15448 2007-01-08  Richard Guenther  <rguenther@suse.de>
15450         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
15451         * tree.c (build_int_cst_type): Likewise.
15452         (size_in_bytes): Don't call force_fit_type on the result.
15453         (int_fits_type_p): Use fit_double_type.
15454         * fold-const.c (fit_double_type): New function.
15455         (force_fit_type): Use it.
15456         * tree.h (fit_double_type): Export.
15458 2007-01-08  Jan Hubicka  <jh@suse.cz>
15460         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
15461         * ipa.c (function_and_variable_visibility): Fix return type.
15463 2007-01-08  Richard Guenther  <rguenther@suse.de>
15465         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
15466         of offset to build the index.
15467         * tree-pretty-print.c (dump_generic_node): Don't build negated
15468         const just for printing.
15469         * c-pretty-print.c (pp_c_integer_constant): Likewise.
15470         * builtins.c (fold_builtin_int_roundingfn): Check if result
15471         fits the type by using force_fit_type and comparing the result.
15472         * predict.c (predict_loops): Use compare_tree_int for comparison.
15473         * tree.c (build_int_cst): Fall back to integer_type_node for
15474         NULL_TREE type.
15475         (build_int_cst_wide): Assert type is non-null.
15477 2007-01-08  Roberto Costa  <roberto.costa@st.com>
15479         * tree-vrp.c (extract_range_from_cond_expr): New.
15480         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
15481         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
15482         as expressions.
15483         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
15484         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
15485         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
15486         used as expressions.
15487         * tree-object-size.c (cond_expr_object_size): New.
15488         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
15490 2007-01-08  Jan Hubicka  <jh@suse.cz>
15492         * tree-ssa-forwprop.c (forward_propagate_into_cond,
15493         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
15494         statement.
15496 2007-01-08  Richard Guenther  <rguenther@suse.de>
15498         PR tree-optimization/23603
15499         * tree-vrp.c (set_value_range_to_truthvalue): New function.
15500         (extract_range_from_binary): Fall back to truthvalue instead of
15501         varying for TRUTH_*_EXPR.
15502         (extract_range_from_comparison): Fall back to truthvalue instead of
15503         varying.
15504         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
15505         if all visited PHI values were constant.
15507 2007-01-08  Jan Hubicka  <jh@suse.cz>
15509         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
15510         (cgraph_analyze_function): break out from ...
15511         (cgraph_finalize_compilation_unit): ... here.
15512         (cgraph_expand_function): Remove forgoten commented out line.
15513         (cgraph_optimize): Analyze functions.
15515 2007-01-08  Jan Hubicka  <jh@suse.cz>
15517         * tree-pas.h (TODO_remove_function): New flag.
15518         (TODO_update*): Renumber.
15519         (pass_ipa_increase_alignment,
15520         pass_ipa_function_and_variable_visibility): New passes.
15521         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
15522         (cgraph_function_and_variable_visibility): Move to ipa.c
15523         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
15524         cgraph_increase_alignment.
15525         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
15526         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
15527         calling tree-inline.
15528         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
15529         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
15530         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
15531         (gate_increase_alignment): New function.
15532         (pass_ipa_increase_alignment): New pass.
15533         * ipa.c: Inline tree-pass.h and timevar.h
15534         (function_and_variable_visibility): Move here from cgraphunit.c
15535         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
15536         * passes.c (init_optimization_passes): Add the two new passes.
15537         (execute_todo): Handle cgraph_remove_functions.
15539 2007-01-08  Nick Clifton  <nickc@redhat.com>
15541         * config/frv/predicates.md (reg_or_0_operand): Accept
15542         CONST_DOUBLEs.
15544 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
15546         * config/bfin/rtems.h, config/bfin/t-rtems: New.
15547         * config.gcc: Add bfin*-rtems*.
15549 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
15551         * c.opt: Add -flax-vector-conversions.
15552         * c-typeck.c (convert_for_assignment): Pass flag to
15553         vector_types_convertible_p to allow emission of note.
15554         (digest_init): Likewise.
15555         * c-opts.c: Handle -flax-vector-conversions.
15556         * c-common.c (flag_lax_vector_conversions): New.
15557         (vector_types_convertible_p): Unless -flax-vector conversions
15558         has been passed, disallow conversions between vectors with
15559         differing numbers of subparts and/or element types.  If such
15560         a conversion is disallowed, possibly emit a note on the first
15561         occasion only to inform the user of -flax-vector-conversions.
15562         The new last argument specifies this.
15563         * c-common.h (flag_lax_vector_conversions): New.
15564         (vector_types_convertible_p): Add extra argument.
15565         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
15566         char_type_node for V*QI type vectors.
15567         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
15568         Update to satisfy new typechecking rules.
15569         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
15570         C and C++ variants.
15571         * doc/invoke.texi (C Dialect Options): Document
15572         -flax-vector-conversions.
15574 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
15576         PR tree-optimization/29877
15577         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
15578         a register variable on the RHS to not be replaceable.
15580 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
15581         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
15582         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
15583         const_simm15, const_pow2, const_npow2): Added.
15584         * config/score/misc.md (insv, extv, extzv, movmemsi,
15585         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
15586         * config/score/score.c (score_address_cost, score_select_cc_mode):
15587         Added.
15588         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
15589         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
15590         Update score_print_operand.
15591         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
15592         Adjust register allocate order and update some macro define.
15593         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
15594         mdx_block_move_straight, mdx_block_move_loop_head,
15595         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
15596         mdx_block_move): Added.
15597         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
15598         mdp_limm): Updated and fix some bug and typo.
15599         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
15600         (movsf, movdf, doloop_end): Added.
15602 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
15604         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
15605         config/arm/thumb2.md: Fix comment typos.
15606         * doc/extend.texi: Fix a typo.
15608 2007-01-07  Eric Christopher  <echristo@apple.com>
15610         * configure.ac: Check for __stack_chk_fail for darwin.
15611         * configure: Regenerate.
15613 2007-01-07  Richard Guenther  <rguenther@suse.de>
15615         * tree-vrp.c (extract_range_from_assert): CSE calls to
15616         compare_values where possible.
15617         (extract_range_from_unary_expr): Likewise.
15619 2007-01-07  Anatoly Sokolov <aesok@post.ru>
15621         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
15622         * config/avr/avr.c (call_insn_operand): Delete function.
15623         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
15624         instead of register number. Use predicates.
15625         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
15626         call_insn_operand): Add.
15628 2007-01-06  Jan Hubicka  <jh@suse.cz>
15630         * tree-pass.h (pass_build_cgraph_edges): Declare.
15631         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
15632         (visited_nodes): Remove.
15633         (cgraph_create_edges): Move to cgraphbuild.c; rename to
15634         build_cgrpah_edges; make visited_nodes local.
15635         (cgraph_process_new_functions): DO not call initialize_inline_failed.
15636         (record_references_in_initializer): Move to cgraphbuild.c
15637         (initialize_inline_failed, rebuild_cgraph_edges,
15638         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
15639         (verify_cgraph_node): Make visited_nodes local.
15640         (cgraph_analyze_function): Do not call cgraph_create_edges and
15641         initialize_inline_failed.
15642         (cgraph_expand_function): Do not call cgraph_lower_function;
15643         assert that function is already lowered.
15644         * Makefile.in (cgraphbuild.o): New.
15645         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
15646         at the end of lowering passes.
15648 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
15650         * ifcvt.c (cond_move_convert_if_block): New function, code
15651         factored out from...
15652         (cond_move_process_if_block): ...here.  Call the new function
15653         on the THEN and ELSE blocks.
15654         (merge_if_block): Do not copy global_live_at_end, merge_blocks
15655         already takes care of this.
15657 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15659         PR c/19978
15660         * tree.h (TREE_OVERFLOW_P): New.
15661         * c-typeck.c (parser_build_unary_op): Warn only if result
15662         overflowed and operands did not.
15663         (parser_build_binary_op): Likewise.
15664         (convert_for_assignment): Remove redundant overflow_warning.
15665         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
15667 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15669         * c-typeck.c (store_init_value): Split over two lines to follow
15670         the GNU coding style.
15672 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
15674         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
15675         __GXX_EXPERIMENTAL_CXX0X__.
15676         * doc/cpp.texi: Same.
15678 2007-01-05  Richard Guenther  <rguenther@suse.de>
15680         PR middle-end/27826
15681         * tree.c (get_narrower): Do not construct COMPONENT_REFs
15682         with mismatched types.  Instead explicitly build a
15683         conversion NOP_EXPR.
15685 2007-01-05  Ian Lance Taylor  <iant@google.com>
15687         * c-common.c (decl_with_nonnull_addr_p): New function.
15688         (c_common_truthvalue_conversion): Call it.
15689         * c-typeck.c (build_binary_op): Likewise.
15690         * c-common.h (decl_with_nonnull_addr_p): Declare.
15692 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
15694         PR c/30360
15695         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
15696         denom against 0.0.
15698 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
15700         * doc/install.texi (Final install): Document the fact that
15701         the GNAT runtime should not be stripped.
15703 2007-01-04  Jan Hubicka  <jh@suse.cz>
15705         * tree-inline.c (fold_marked_statements): Update operand caches
15706         and EH after folding
15708 2007-01-04  Ian Lance Taylor  <iant@google.com>
15710         * c-common.c (check_function_nonnull): Whitespace fix.
15712 2007-01-04  Jan Hubicka  <jh@suse.cz>
15714         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
15715         comitted older version of patch.
15716         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
15717         function, celanup cfg and collect garbage.
15719 2007-01-04  Mike Stump  <mrs@apple.com>
15721         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
15722         (clean): Likewise.
15724 2007-01-04  Eric Christopher  <echristo@apple.com>
15726         * libgcc2.c (__bswapsi2): Use SItype.
15727         (__bswapdi2): Use DItype.
15728         * libgcc2.h: Update for above.
15730 2007-01-04  Paul Brook  <paul@codesourcery.com>
15732         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
15733         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
15734         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
15735         umulsidi3, umulsidi3adddi, smulsi3_highpart,
15736         umulsi3_highpart): Make conditional on !arm_arch6.
15737         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
15738         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
15739         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
15740         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
15741         umulsi3_highpart_v6): New insns.
15743 2007-01-04  Roger Sayle  <roger@eyesopen.com>
15745         * fold-const.c (fold_convert): When casting an expression to void,
15746         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
15747         have a type.  Instead of attempting to build a NOP_EXPR, return
15748         these "special" trees directly.
15750 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
15752         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
15753         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
15754         rs6000_cost->fp not 0 as adjustment for outer NEG.
15756 2007-01-04  Jan Hubicka  <jh@suse.cz>
15758         * cgraph.c (cgraph_release_function_body): New function.
15759         (cgraph_remove_node): Use it.
15760         * cgraph.h (cgraph_release_function_body): Declare.
15761         * cgraphunit.c (cgraph_expand_function): Use it.
15762         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
15763         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
15764         is initialized and while compilation of other function is running.
15765         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
15766         statement CFG annotations from here to ...
15767         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
15769 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
15771         * cfgloop.h (enum li_flags): Make the constants powers of two.
15773 2007-01-04  Jan Hubicka  <jh@suse.cz>
15775         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
15776         set.
15777         (fold_marked_statements): New function.
15778         (optimize_inline_calls, tree_function_versioning): Fold new statements.
15779         * tree-inline.h (copy_body_data): Add statements_to_fold.
15781 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
15783         * config.gcc: Mention libgcc/config.host.
15784         * Makefile.in: Update comments mentioning libgcc.
15785         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
15786         (all.cross, start.encap, rest.encap, rest.cross): Update
15787         dependencies for libgcc move.
15788         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
15789         (clean-target, clean-target-libgcc): Delete.
15790         (srcdirify, GCC_EXTRA_PARTS): New macros.
15791         (libgcc-support, libgcc.mvars): New rules.
15792         (distclean): Remove mention of mklibgcc.
15793         (install): Don't reference INSTALL_LIBGCC.
15794         (install-common): Don't reference EXTRA_PARTS.
15795         (install-libgcc, install-multilib): Delete rules.
15796         * mklibgcc.in: Delete file.
15797         * doc/configfiles.texi: Don't mention mklibgcc.
15799         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
15800         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
15801         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
15802         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
15803         (mklibgcc, ldblspecs): Likewise.
15805         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
15806         (posixpre.def): Use $(T).
15807         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
15808         (SHLIB_SRC, SHLIB_INSTALL): Delete.
15809         (SHLIB_LINK): Make dummy.
15810         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
15812         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
15814         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
15815         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
15816         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
15817         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
15819         * configure.ac (all_outputs): Remove mklibgcc.
15820         * configure: Regenerated.
15822 2007-01-03  Josh Conner  <jconner@apple.com>
15824         PR middle-end/29683
15825         * calls.c (compute_argument_addresses): Set stack and stack_slot
15826         for partial args, too.
15827         (store_one_arg): Use locate.size.constant for the size when
15828         generating a save_area.
15830 2007-01-03  Robert Kennedy <jimbob@google.com>
15832         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
15833         whose definitions are deleted due to basic block merging.
15835 2007-01-03  Paul Brook  <paul@codesourcery.com>
15837         PR target/16634
15838         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
15839         functions.
15840         (use_return_insn): Return 0 for Thumb interrupt functions.
15841         (print_multi_reg): Add rfe argument for IRQ returns.
15842         (arm_output_epilogue): Pop interrupt return address directly into PC.
15843         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
15845 2007-01-03  Paul Brook  <paul@codesourcery.com>
15847         Merge from sourcerygxx-4_1.
15848         * config/arm/thumb2.md: New file.
15849         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
15850         Thumb-2.
15851         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
15852         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
15853         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
15854         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
15855         tables.
15856         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
15857         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
15858         comptibility.
15859         * config/arm/ieee754-sf.S: Ditto.
15860         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
15861         (thumb1_base_register_rtx_p): ... to this.
15862         (thumb_index_register_rtx_p): Rename...
15863         (thumb1_index_register_rtx_p): ... to this.
15864         (thumb_output_function_prologue): Rename...
15865         (thumb1_output_function_prologue): ... to this.
15866         (thumb_legitimate_address_p): Rename...
15867         (thumb1_legitimate_address_p): ... to this.
15868         (thumb_rtx_costs): Rename...
15869         (thumb1_rtx_costs): ... to this.
15870         (thumb_compute_save_reg_mask): Rename...
15871         (thumb1_compute_save_reg_mask): ... to this.
15872         (thumb_final_prescan_insn): Rename...
15873         (thumb1_final_prescan_insn): ... to this.
15874         (thumb_expand_epilogue): Rename...
15875         (thumb1_expand_epilogue): ... to this.
15876         (arm_unwind_emit_stm): Rename...
15877         (arm_unwind_emit_sequence): ... to this.
15878         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
15879         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
15880         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
15881         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
15882         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
15883         thumb2_output_casesi): New functions.
15884         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
15885         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
15886         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
15887         THUMB2_WORK_REGS): Define.
15888         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
15889         arm_condexec_mask, arm_condexec_masklen)): New variables.
15890         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
15891         (arm_override_options): Check new CPU capabilities.
15892         Set new architecture flag variables.
15893         (arm_isr_value): Handle v7m interrupt functions.
15894         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
15895         Thumb-2.
15896         (const_ok_for_arm): Handle Thumb-2 constants.
15897         (arm_gen_constant): Ditto.  Use movw when available.
15898         (arm_function_ok_for_sibcall): Return false for v7m interrupt
15899         functions.
15900         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
15901         (thumb_find_work_register, arm_load_pic_register,
15902         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
15903         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
15904         print_multi_reg, output_mov_long_double_fpa_from_arm,
15905         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
15906         output_mov_double_fpa_from_arm, output_move_double,
15907         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
15908         output_return_instruction, arm_output_function_prologue,
15909         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
15910         arm_output_mi_thunk, thumb_set_return_address): Ditto.
15911         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
15912         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
15913         (arithmetic_instr, shift_op): Use arm_shift_nmem.
15914         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
15915         '!' and 'L'.
15916         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
15917         (thumb_expand_prologue): Use thumb_set_frame_pointer.
15918         (arm_file_start): Output directive for unified syntax.
15919         (arm_unwind_emit_set): Handle stack alignment instruction.
15920         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
15921         Add v6t2, v7, v7a, v7r and v7m.
15922         (RETLDM): Add Thumb-2 code.
15923         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
15924         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
15925         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
15926         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
15927         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
15928         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
15929         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
15930         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
15931         ADJUST_INSN_LENGTH): Define.
15932         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
15933         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
15934         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
15935         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
15936         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
15937         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
15938         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
15939         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
15940         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
15941         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
15942         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
15943         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
15944         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
15945         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
15946         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
15947         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
15948         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
15949         cortex-m3.
15950         * config/arm/arm-tune.md: Regenerate.
15951         * config/arm/arm-protos.h: Update prototypes.
15952         * config/arm/vfp.md: Enable patterns for Thumb-2.
15953         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
15954         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
15955         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
15956         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
15957         * config/arm/libunwind.S: Add Thumb-2 code.
15958         * config/arm/constraints.md: Update include Thumb-2.
15959         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
15960         * config/arm/ieee754-df.S: Ditto.
15961         * config/arm/bpabi.S: Ditto.
15962         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
15963         * config/arm/predicates.md (low_register_operand,
15964         low_reg_or_int_operand, thumb_16bit_operator): New.
15965         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
15966         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
15967         * config/arm/t-arm-elf: Add armv7 multilib.
15968         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
15969         Include thumb2.md.
15970         (UNSPEC_STACK_ALIGN, ce_count): New.
15971         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
15972         arm_zero_extendsidi2, arm_zero_extendqidi2): New
15973         insns/expanders.
15974         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
15975         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
15976         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
15977         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
15978         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
15979         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
15980         insns.
15981         * doc/extend.texi: Document ARMv7-M interrupt functions.
15982         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
15984 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
15986         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
15987         (struct _Unwind_Context): Rename args_size to flags, remove
15988         signal_frame field, add a new args_size field and version field.
15989         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
15990         _Unwind_IsExtendedContext): New inline functions.
15991         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15992         Assume by_value array is only present if _Unwind_IsExtendedContext.
15993         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
15994         _Unwind_IsSignalFrame.
15995         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
15996         (uw_update_context_1): Use _Unwind_SetSignalFrame.
15997         (uw_init_context_1): Initialize context->flags to
15998         EXTENDED_CONTEXT_BIT.
15999         * config/rs6000/linux-unwind.h (frob_update_context): Use
16000         _Unwind_SetSignalFrame.
16002 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16004         PR middle-end/30353
16005         * gimplify.c (gimplify_modify_expr_complex_part): Move below
16006         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
16007         the value.
16009 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
16011         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
16012         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
16013         RET, AT_SP): Remove.
16014         * config/i386/i386.md (*sse_prologue_save_insn): Use return
16015         instead of RET.
16017         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
16018         * cfgbuild.c (find_basic_blocks): Likewise.
16019         * cfgrtl.c (rtl_create_basic_block): Likewise.
16020         * function.c (temp_slots_at_level): Likewise.
16021         * reg-stack.c (stack_regs_mentioned): Likewise.
16022         * regclass.c (allocate_reg_info): Likewise.
16023         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
16024         set_bb_for_stmt, move_block_to_fn): Likewise.
16025         * tree-complex.c (tree_lower_complex): Likewise.
16026         * vec.h (VEC_safe_grow_cleared): New.
16028         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
16030 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
16032         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
16033         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
16034         to loop_version.
16035         * cfgloopmanip.c (scale_loop_frequencies): Export.
16036         (loopify): Scale the frequencies by prescribed coefficients.
16037         (set_zero_probability): New function.
16038         (duplicate_loop_to_header_edge): Improve updating of frequencies.
16039         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
16040         and frequencies according to arguments.
16041         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
16042         correctly.
16043         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
16044         * modulo-sched.c (sms_schedule): Set probabilities for entering
16045         versioned loop correctly.
16046         * tree-vect-transform.c (vect_transform_loop): Ditto.
16047         * cfgloop.h (loopify, loop_version): Declaration changed.
16048         (scale_loop_frequencies): Declared.
16050 2007-01-02  Jan Hubicka  <jh@suse.cz>
16052         * cgraph.c: Include tree-flow.h
16053         (cgraph_add_new-function): Handle IPA_SSA mode; execute
16054         early_local_passes.
16055         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
16056         * tree-pass.h (pass_all_early_optimizations): Declare.
16057         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
16058         early_local_passes.
16059         (cgraph_analyze_function): Do early_local_passes.
16060         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
16061         Do not add referenced vars.
16062         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
16063         SSA form.
16064         (gate_all_early_local_passes): New gate.
16065         (pass_early_local_passes): Use new gate.
16066         (execute_early_local_optimizations): New functions.
16067         (gate_all_early_optimizations): New gate.
16068         (pass_all_early_optimizations): New pass.
16069         (execute_free_datastructures): Free SSA only when initialized.
16070         (gate_init_datastructures): Init only when optimizing.
16071         (tree_lowering_passes): Do early local passes when called late.
16072         * tree-profile.c (do_tree_profiling): Don't profile functions added
16073         late.
16074         (do_early_tree_profiling, pass_early_tree_profile): Kill.
16075         * tree-cfg.c (update_modified_stmts): Do not update when operands are
16076         not active.
16077         * passes.c (init_optimizations_passes): Reorder so we go into SSA
16078         during early_local_passes.
16079         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
16082 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
16084         * Makefile.in: Update copyright year.
16086 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
16088         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
16089         in $(lang_checks) and check-consistency targets.
16091 2007-01-02  Jan Hubicka  <jh@suse.cz>
16093         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
16094         Do not add referenced vars.
16095         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
16096         are not active.
16097         * passes.c (init_optimization_passes): Put mudflap_2 after
16098         free_datastructures.
16100 2007-01-02  Jan Hubicka  <jh@suse.cz>
16102         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
16103         Set NOTHROW flag on call statements proved to be nothrow.
16104         Update statement of local calls so new pure/const functions are
16105         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
16106         goto receivers.
16107         (tree_rest_of_compilation): Register hooks and initialize bitmap
16108         early. Do not set after_inlining flag.
16110 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
16112         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
16113         HOST_BITS_PER_LONGLONG
16115 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16117         PR c/19977
16118         * c-typeck.c (store_init_value): Don't emit pedantic overflow
16119         warning for non-static initializers.
16121 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
16123         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
16124         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
16125         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
16126         Always use set_unique_reg_note to add REG_EQUAL notes.
16128 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
16130         Revert:
16131         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
16133         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
16134         * cfgbuild.c (find_basic_blocks): Likewise.
16135         * cfgrtl.c (rtl_create_basic_block): Likewise.
16136         * function.c (temp_slots_at_level): Likewise.
16137         * reg-stack.c (stack_regs_mentioned): Likewise.
16138         * regclass.c (allocate_reg_info): Likewise.
16139         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
16140         set_bb_for_stmt, move_block_to_fn): Likewise.
16141         * tree-complex.c (tree_lower_complex): Likewise.
16142         * vec.h (VEC_safe_grow_cleared): New.
16144 2007-01-02  Ian Lance Taylor  <iant@google.com>
16146         * c-common.c (c_common_truthvalue_conversion): When warning about
16147         using an assignment as a truth value, set TREE_NO_WARNING.
16149 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16151         PR middle-end/7651
16152         * c.opt (Wold-style-declaration): New.
16153         * doc/invoke.texi (C-only Warning Options): New.
16154         (Wold-style-declaration): Document it.
16155         (Wextra): Enabled by -Wextra.
16156         * c-opts.c (c_common_post_options): Enabled by -Wextra.
16157         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
16158         -Wold-style-declaration.
16160 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
16162         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
16163         * cfgbuild.c (find_basic_blocks): Likewise.
16164         * cfgrtl.c (rtl_create_basic_block): Likewise.
16165         * function.c (temp_slots_at_level): Likewise.
16166         * reg-stack.c (stack_regs_mentioned): Likewise.
16167         * regclass.c (allocate_reg_info): Likewise.
16168         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
16169         set_bb_for_stmt, move_block_to_fn): Likewise.
16170         * tree-complex.c (tree_lower_complex): Likewise.
16171         * vec.h (VEC_safe_grow_cleared): New.
16173 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
16175         * c-common.c (c_common_nodes_and_builtins): Since variants of
16176         void_type_node get built before it is given a name, we need to
16177         give those variants the name, too.
16178         (complete_array_type): We need to work with the canonical main
16179         type of the array, from which we will build the qualified version.
16180         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
16181         * print-tree.c (print_node): Display canonical type information
16182         for each type.
16183         * stor-layout.c (layout_type): When we don't know the
16184         alignment of a type for which we're building an array, we end up
16185         guessing wrong, so make the type require structural equality.
16186         * tree.c (make_node_stat): When we build a new type, it is its
16187         own canonical type.
16188         (build_type_attribute_qual_variant): When building an attribute
16189         variant, its canonical type is the non-attribute variant. However,
16190         if the attributes are target-dependent and they differ, we need to
16191         use structural equality checks for this type.
16192         (build_qualified_type): A qualified type is not equivalent to its
16193         unqualified variant; set the canonical type appropriately.
16194         (build_distinct_type_copy): When building a distinct type from
16195         another type, the new type is its own canonical type.
16196         (build_variant_type_copy): When building a new type variant, we
16197         assume that it is equivalent to the original type.
16198         (build_pointer_type_for_mode): When building a pointer type, also
16199         build a canonical type pointer.
16200         (build_reference_type_for_mode): When building a reference type,
16201         also build a canonical type reference.
16202         (build_index_type): When we can't hash an index type (e.g.,
16203         because its maximum value is negative), the index type requires
16204         structural equality tests.
16205         (build_array_type): Build the canonical form of an array type.
16206         (build_function_type): Function types require structural equality,
16207         because they contain default arguments, attributes, etc.
16208         (build_method_type_directly): Ditto for method types.
16209         (build_offset_type): Build the canonical offset type.
16210         (build_complex_type): Build the canonical vector type.
16211         (make_vector_type): Build the canonical vector type.
16212         * tree.h (TYPE_CANONICAL): New.
16213         (TYPE_STRUCTURAL_EQUALITY_P): New.
16214         (SET_TYPE_STRUCTURAL_EQUALITY): New.
16215         (struct tree_type): Added "canonical" field.
16216         * params.h (VERIFY_CANONICAL_TYPES): New.
16217         * doc/c-tree.texi (TYPE_CANONICAL): Document.
16218         (TYPE_STRUCTURAL_EQUALITY_P): Document.
16219         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
16220         * doc/invoke.texi (verify-canonical-types): Document --param
16221         parameter for verifying canonical types.
16223 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
16225         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
16226         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
16227         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
16228         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
16229         tm_file.
16230         * config/rs6000/e500.h: New.
16231         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
16232         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
16233         Remove.
16234         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
16235         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
16236         TARGET_E500_DOUBLE): Remove.
16237         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
16238         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
16239         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
16240         * config/rs6000/rs6000.c (rs6000_override_options): Use
16241         CHECK_E500_OPTIONS.
16243 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
16245         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
16246         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
16247         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
16248         rs6000_emit_cmove): Don't check TARGET_E500.
16249         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
16250         sordered): Don't check TARGET_E500.
16252 2007-01-01  Eric Christopher  <echristo@apple.com>
16254         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
16255         HARD_REGISTER_NUM_P.
16257 2007-01-01  Roger Sayle  <roger@eyesopen.com>
16259         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
16260         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
16261         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
16262         eq/ne Y".
16264 2007-01-01  Mike Stump  <mrs@apple.com>
16266         * configure.ac: Remove support for building with Apple's gcc-3.1.
16268 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
16270         PR middle-end/30311
16271         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
16272         REG is a hard register.  Do not modify REG before calling
16273         subreg_nregs.
16274         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
16275         multiple of the size of YMODE for certain lowpart cases.
16277 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
16279         PR middle-end/30253
16280         * gimplify (voidify_wrapper_expr): Update for
16281         GIMPLE_MODIFY_STMT.
16283 2007-01-01  Andreas Schwab  <schwab@suse.de>
16285         PR target/29166
16286         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
16287         save of BR0 in extra_spill_size instead of spill_size.
16288         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
16289         area.
16290         (ia64_expand_epilogue): Restore BR0 from its new location.
16292 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
16294         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
16295         Use a temporary variable if the left hand side is not a gimple
16296         register.
16298 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
16300         * gimplify.c (gimplify_return_expr): Make the temporary variable
16301         for the return expression, a gimple register variable.
16303 2007-01-01  Jan Hubicka  <jh@suse.cz>
16305         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
16306         INSN_LIST.
16308 2007-01-01  Mike Stump  <mrs@apple.com>
16310         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
16311         .literal16.
16312         * config/darwin.c (machopic_select_rtx_section): Use
16313         HAVE_GAS_LITERAL16.
16314         (darwin_mergeable_constant_section): Likewise.
16315         * configure: Regenerate.
16316         * config.in: Regenerate.
16318 2007-01-01  Jan Hubicka  <jh@suse.cz>
16319             Andrew Pinski  <pinskia@gmail.com>
16321         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
16322         before starting IPA passes.