Daily bump.
[official-gcc.git] / gcc / ChangeLog
blobf60d4156df8ab924b8bb666a3709ff2702a4215e
1 2005-03-12  Steven Bosscher  <stevenb@suse.de>
3         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
4         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5         * tree-ssa-operands.c (get_expr_operands): Likewise.
6         (get_expr_operands): Likewise for ERROR_MARK.
8 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
10         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
11         var.
13         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
14         removed_phis.
16         * tree-ssa-pre.c (compute_avail): Remove local variable val.
17         (mark_operand_necessary): Remove local variable ver.
19         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
20         variable prefix_len.
22         * value-prof.c (mod_subtract_transform): Remove local variable
23         value.
25         * builtins.c (fold_builtin_exponent): Take decomposed
26         arguments of CALL_EXPR.
27         (fold_builtin_1): Update a call to fold_builtin_exponent.
29         * builtins.c (fold_builtin_logarithm): Take decomposed
30         arguments of CALL_EXPR.
31         (fold_builtin_1): Update a call to fold_builtin_logarithm.
33         * c-decl.c (c_init_decl_processing): Remove local variables
34         ptr_ftype_void and ptr_ftype_ptr.
36         * gimplify.c (gimplify_expr): Remove local variables r0 and
37         r1.
39         * reg-stack.c (move_for_stack_reg): Remove local variable
40         push_insn.
41         (compare_for_stack_reg): Remove local variable flags_user.
42         (convert_regs_1): Remove local variable deleted.
44         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
45         variable new_cond.
46         (combine_blocks): Remove local variables exits and new_e.
48         * tree-inline.c (expand_call_inline): Remove local variable
49         decl.
51         * tree-ssa-live.c (create_ssa_var_map,
52         calculate_live_on_entry): Remove local variable snn.
54 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
56         * c-lex.c (c_lex_with_flags): Add parameter to call to 
57         cpp_spell_token.
59 2005-03-11  Per Bothner  <per@bothner.com>
61         * c-tree.h (struct c_declarator): New id_loc field.
62         * c-pragma.h (c_lex_with_flags): Take position reference.
63         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
64         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
65         (c_lex): Pass dummy location to c_lex_with_flags.
66         * c-parser.c (c_lex_one_token): Set c_token's location using
67         c_lex_with_flags, instead of input_location, which might be "ahead".
68         (c_parser_direct_declarator): Set declarator's id_loc from
69         c_token's id_loc.
70         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
71         declarator's id_loc, rather than probably-imprecise input_location.
72         (build_id_declarator): Initialize c_declarator's id_loc field.
74 2005-03-11  Roger Sayle  <roger@eyesopen.com>
76         PR middle-end/20419
77         * builtins.c (expand_builtin_signbit): Force the signbit's word
78         into an integer register to avoid SUBREGs of floating point modes.
80 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
82         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
83         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
84         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
85         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
87 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
89         PR rtl-optimization/20306
90         * expr.c (emit_move_complex): Set try_int false if mode is
91         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
92         emit_block_move if try_int is true.
94 2005-03-11  Richard Henderson  <rth@redhat.com>
96         PR target/20415
97         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
98         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
99         to match.
101 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
103         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
104         (TARGET_FIX_VR4130): New macro.
105         (TARGET_OPTIONS): Add -mfix-vr4130.
106         (ISA_HAS_MACCHI): New macro.
107         (ASM_SPEC): Add -mfix-vr4130.
108         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
109         (override_options): Handle mips_fix_vr4130_string.
110         (mips_avoid_hazards): Clear all_noreorder_p
111         if we're working around VR4130 errata and the macc alternatives
112         are not available.
113         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
114         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
115         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
116         (MULTILIB_DEFAULTS): Remove leading "march=".
117         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
118         if no architecture option is given.
119         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
120         VR4130 multilibs.
121         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
122         * doc/invoke.texi: Document -mfix-vr4130.
124 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
126         * config/mips/mips.c (override_options): Only warn about -mint64
127         deprecation if TARGET_INT64.
129 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
131         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
132         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
133         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
134         are non-specific regarding the nonnull parameter positions.
135         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
136         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
137         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
138         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
139         
140         * builtins.def: Use the non-specific "nonnull" attibute lists.
142 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
144         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
145         single_pred_edge, single_succ, single_pred): Improve comments.
147 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
149         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
150         single_pred_edge, single_succ, single_pred): New inline functions.
151         * bb-reorder.c (rotate_loop, find_traces_1_round,
152         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
153         duplicate_computed_gotos): Use the single_succ/pred functions.
154         * cfganal.c (forwarder_block_p): Ditto.
155         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
156         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
157         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
158         merge_seq_blocks): Ditto.
159         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
160         * cfglayout.c (fixup_reorder_chain): Ditto.
161         * cfgloop.c (mark_single_exit_loops, update_latch_info,
162         canonicalize_loop_headers, verify_loop_structure): Ditto.
163         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
164         mfb_update_loops, create_preheader, force_single_succ_latches,
165         create_loop_notes): Ditto.
166         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
167         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
168         commit_one_edge_insertion, purge_dead_edges,
169         cfg_layout_can_merge_blocks_p): Ditto.
170         * except.c (sjlj_emit_function_enter): Ditto.
171         * flow.c (init_propagate_block_info): Ditto.
172         * function.c (thread_prologue_and_epilogue_insns): Ditto.
173         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
174         insert_insn_end_bb): Ditto.
175         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
176         find_if_case_2): Ditto.
177         * lambda-code.c (perfect_nestify): Ditto.
178         * lcm.c (optimize_mode_switching): Ditto.
179         * loop-doloop.c (doloop_modify): Ditto.
180         * loop-init.c (loop_optimizer_init): Ditto.
181         * loop-iv.c (simplify_using_initial_values): Ditto.
182         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
183         * loop-unswitch.c (unswitch_loop): Ditto.
184         * modulo-sched.c (generate_prolog_epilog): Ditto.
185         * predict.c (combine_predictions_for_insn, estimate_probability,
186         tree_estimate_probability, last_basic_block_p,
187         estimate_bb_frequencies): Ditto.
188         * profile.c (branch_prob): Ditto.
189         * regrename.c (copyprop_hardreg_forward): Ditto.
190         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
191         * tracer.c (layout_superblocks): Ditto.
192         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
193         cfg_remove_useless_stmts_bb, cleanup_control_flow,
194         cleanup_control_expr_graph, disband_implicit_edges,
195         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
196         tree_verify_flow_info, tree_make_forwarder_block,
197         tree_forwarder_block_p, remove_forwarder_block,
198         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
199         * tree-if-conv.c (tree_if_conversion): Ditto.
200         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
201         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
202         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
203         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
204         copy_loop_headers): Ditto.
205         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
206         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
207         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
208         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
209         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
210         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
211         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
212         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
213         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
214         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
215         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
216         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
217         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
218         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
219         slpeel_add_loop_guard): Ditto.
221 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
223         PR tree-optimization/15784
224         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
225         and -1 - A to ~A.
227         * stmt.c (expand_case): Don't change index_type.  Convert minval
228         to the proper type.
230         PR tree-optimization/20130
231         * fold-const.c (fold): Fold x * -1 into -x.
233 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
235         PR rtl-optimization/20331
236         * rtlanal.c (modified_between_p): Check its address first for MEM.
237         (modified_in_p): Likewise.
239 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
241         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
243 2005-03-10  Steven Bosscher  <stevenb@suse.de>
245         * expr.c (expand_expr_real_1): If possible, use a conditional
246         move for expanding MIN_EXPR and MAX_EXPR.
247         Use temp for moving around rtx-en.
249 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
251         PR rtl-opt/20412
252         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
253         correct mode.
255 2005-03-10  Roger Sayle  <roger@eyesopen.com>
257         * builtins.c (expand_builtin_signbit): Extend to handle floating
258         point modes wider than the largest integer type, using the
259         operand_subword_force function to obtain the signbit's word.
261 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
263         PR target/20322
264         * combine.c (try_combine): If recog_for_combine added CLOBBERs
265         to NEWI2PAT, fail to combine if they are used by NEWPAT.
267 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
269         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
271 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
273         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
274         type void.
275         (perform_edge_inserts): Unconditionally call
276         free_dominator_info.
278         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
280 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
282         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
284 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
286         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
288         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
289         gcc_unreachable.
290         (rtl_register_value_prof_hooks,
291         tree_value_profile_transformations,
292         tree_register_value_prof_hooks): Likewise.
293         * var-tracking.c (stack_adjust_offset_pre_post,
294         variable_htab_free, variable_union, dataflow_set_different_2,
295         count_uses, variable_was_changed, set_frame_base_location,
296         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
297         vt_add_function_parameters): Likewise.
298         * varasm.c (named_section_real, named_section, make_decl_rtl,
299         asm_emit_uninitialised, assemble_integer, decode_addr_const,
300         const_hash_1, compare_constant, copy_constant, force_const_mem,
301         output_constant_pool_2, output_constant_pool_1, output_constant,
302         output_constructor, make_decl_one_only, decl_tls_model,
303         default_no_named_section, default_elf_select_section_1,
304         default_unique_section_1): Likewise.
305         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
306         * vmsdbgout.c (addr_const_to_string): Likewise.
308         PR c++/20375
309         * function.c (struct assign_parm_data_one): Remove last_named
310         field.
311         (assign_parm_find_data_types): Don't determine last_named.
312         Reorder named_parm determination.
313         (assign_parms): Only setup varargs on the last non-varadic
314         parameter.
316 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
318         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
319         sda base address on medium model.
321 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
323         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
324         * cfgloop.c (flow_loop_nodes_find): Export.
325         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
326         Declare.
327         * cfgloopmanip.c (fix_loop_structure): New function.
328         * predict.c (predict_loops): Clean up the loops information.
329         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
330         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
331         loop structure.
332         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
333         (rewrite_into_loop_closed_ssa): Declaration changed.
334         * tree-loop-linear.c (linear_transform_loops): Add argument to
335         rewrite_into_loop_closed_ssa call.
336         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
337         * tree-ssa-loop-im.c (move_computations): Ditto.
338         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
339         * tree-vectorizer.c (vectorize_loops): Ditto.
340         * tree-optimize.c: Include cfgloop.h.
341         (execute_todo): Choose whether to call cleanup_tree_cfg or
342         cleanup_tree_cfg_loop.
343         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
344         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
345         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
346         cleanup_tree_cfg_loop call.
347         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
348         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
349         work on part of cfg.
351 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
353         PR inline-asm/20314
354         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
355         with multiple alternatives.
357         * stmt.c (parse_output_constraint): Fix a typo.
359 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
361         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
362         assembly directive instead of deprecated "no-generics".
364 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
366         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
367         for non-offsettable memory references to cope with outstanding reload
368         replacements.
369         * config/s390/s390.md ("reload_outti"): Call find_replacement to
370         avoid losing outstanding address reloads.
371         ("reload_outdi", "reload_outdf"): Likewise.
373 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
375         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
376         code.  Add more cbrt transformations.
378 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
380         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
382 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
384         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
385         NULL_TREE when a given tree is not simplified.
386         (fold): Return the original tree when any of the functions
387         mentioned above NULL_TREE.
389         * fold-const.c (fold_unary, fold_binary): Take decomposed
390         arguments, code, type, op0, and op1 in case of fold_binary.
391         (fold): Update calls to fold_unary and fold_binary.
393 2005-03-09  Roger Sayle  <roger@eyesopen.com>
395         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
396         a fndecl and an arglist instead of a CALL_EXPR, exp.
398 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
400         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
402         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
404         * expr.c (expand_assignment): Remove orig_to_rtx.
406         * fold-const.c (int_const_binop): Remove no_overflow.
408         * ifcvt.c (noce_emit_move_insn): Remove inmode.
410         * loop-iv.c (get_biv_step_1): Remove lhs.
412         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
414         * real.c (real_nan): Remove neg.
416         * function.c (thread_prologue_and_epilogue_insns): Remove i
417         and newinsn.
419         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
420         tb.
422         * tree-eh.c (tree_could_trap_p): Remove idx.
424         * tree-into-ssa.c (ann): Remove ann.
426         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
428         * tree-sra.c (decide_block_copy): Remove inst_count.
430         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
432         * tree-ssa-loop-im.c (lhs): Remove.
434         * cfgbuild.c (state, STATE, SET_STATE,
435         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
436         make_edges.
437         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
438         (find_basic_blocks): Set the state of each basic block to
439         BLOCK_NEW.
441 2005-03-08  Jeff Law  <law@redhat.com>
443         * tree-cfg.c (cleanup_control_flow): If removal of a computed
444         goto results in the removal of edges in the CFG, then we need
445         to recompute dominators.
447 2005-03-09  Ben Elliston  <bje@au.ibm.com>
449         * c-common.c (c_do_switch_warnings): Comment fix.
451 2005-03-08  Julian Brown  <julian@codesourcery.com>
453         * Patch from 2005-03-08 reverted for causing regressions and
454         ppc-darwin bootstrap failure.
456 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
458         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
459         Define the real function for ppc-darwin.
460         * c-typeck.c (convert_arguments): Check for target-specific
461         invalid argument call to unprototyped function.
462         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
463         New Macro.
464         * target.h (invalid_arg_for_unprototyped_fn): New field 
465         in struct calls.
466         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
467         default target hook.
468         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
469         Declare.
471 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
473         * c-typeck.c (constructor_stack, constructor_range_stack,
474         initializer_stack): Make them static.
476         * cfg.c (rbi_pool): Make it static.
478         * gimple-low.c (lower_stmt_body): Make it static.
479         * tree-flow.h: Remove the corresponding prototype.  Don't
480         declare lower_data.
482         * sched-deps.c (cache_size): Make it static.
484         * stor-layout.c (lang_adjust_rli): Make it static.
486 2005-03-08  Julian Brown  <julian@codesourcery.com>
488         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
489         from being used for symbols with vague linkage when
490         HAVE_GAS_COMDAT_GROUP is true.
492 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
494         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
495         nlabel == JUMP_LABEL (jump).
497 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
499         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
500         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
501         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
502         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
504 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
506         PR c/14411
507         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
508         * c-common.c (handle_returns_twice): New function.
509         (c_common_attribute_table): Declare eturns_twice' attribute.
510         * doc/extend.texi: Document eturns_twice' attribute.
511         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
512         (struct tree_decl): Add returns_twice_flag.
514 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
516         * tree-ssa-phiopt.c: Fix a comment typo.
518         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
519         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
520         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
521         copyright.
523 2005-03-08  Richard Henderson  <rth@redhat.com>
525         * config/alpha/alpha.c (code_for_builtin): Replace special-case
526         builtin codes with ctzdi2, clzdi2, popcountdi2.
527         (struct alpha_builtin_def): Add is_const.
528         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
529         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
530         (alpha_init_builtins): Init them.  Set nothrow and const attributes
531         on builtins.
532         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
533         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
534         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
535         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
536         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
537         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
538         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
539         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
540         (TARGET_FOLD_BUILTIN): New.
541         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
542         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
543         (ffsdi2): Use ctz.
544         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
546 2005-03-08  Ira Rosen  <irar@il.ibm.com>
548         PR tree-optimization/20122
549         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
550         condition of access function instead of base.
552 2005-03-07  Jeff Law  <law@redhat.com>
553             Steven Bosscher  <stevenb@suse.de>
555         * tree-cfg.c (find_taken_edge_computed_goto): New function.
556         (find_taken_edge): Call find_taken_edge_computed_goto as
557         appropriate.  Allow any gimple invariant rather than just
558         INTEGER_CST for VAL.
559         (cleanup_control_flow): Cleanup a computed goto which has turned
560         into a simple goto.
561         (tree_merge_blocks): If block B has any forced labels, move
562         them to the start of block A.
563         * tree-ssa-dom.c (thread_across_edge): Allow threading across
564         computed gotos as well.
565         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
566         removal of unnecessary computed gotos too.
567         (lookup_redirection_data): Fix type of INSERT argument.  Callers
568         updated.
570 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
572         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
573         Remove trailing spaces.
575         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
576         unshare_all_trees): Make them static.
577         * tree-gimple.h: Remove the corresponding prototypes.
579         * diagnostic.h: Remove unused prototype
580         debug_output_buffer.
581         * modulo-sched.c: Remove unused prototype
582         set_row_column_for_ps.
584         * tree-ssa-phiopt.c (tree_ssa_phiopt,
585         replace_phi_edge_with_variable): Remove unused variable i.
587 2005-03-07  Per Bothner  <per@bothner.com>
589         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
591 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
592         
593         PR tree-opt/17671
594         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
595         bbs on the COND_EXPR instead of the PHI_NODEs.
596         (candidate_bb_for_phi_optimization): Remove.
597         (replace_phi_with_stmt): Rename to ...
598         (replace_phi_edge_with_variable): this and change so that we
599         replace the phi argument instead of removing the PHI.
600         (conditional_replacement): Change so we deal with PHI with more
601         than two arguments.
602         (value_replacement): Likewise.
603         (abs_replacement): Likewise.
605 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
607         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
608         output_e500_flip_gt_bit.
610         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
611         as bit 31.
612         (rs6000_generate_compare): Fix logic to look at the correct bits.
613         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
614         Look at GT bit.
615         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
616         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
617         gen_move_from_CR_gt_bit.
619         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
620         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
621         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
623         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
624         (E500_CR_IOR_COMPARE): New constant.
626 2005-03-08  Earl Chew <earl_chew@agilent.com>
627             David Billinghurst <David.Billinghurst@riotinto.com>
629         * config/i386/host-cygwin.c: New file to support precompiled
630         headers on cygwin
631         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
632         * config.host: Use above files for cygwin host.
634 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
636         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
637         ordering ops from earlier change.
639 2005-03-07  Per Bothner  <per@bothner.com>
641         Various fixes to allow us to again build if --enable-mapped-location:
642         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
643         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
644         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
645         local variable loc. Change logic appropriately.
646         * tree-vect-transform.c (vect_finish_stmt_generation): Use
647         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
648         * c-parser.c (c_parser_for_statement): Initialize loc variable.
649         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
650         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
652 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
654         PR rtl-optimization/19683
655         * reload1.c (choose_reload_regs): Pass the number of bits, not the
656         number of bytes, to smallest_int_for_mode.  Fix arguments to
657         REG_CANNOT_CHANGE_MODE_P.
659 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
661         * reorg.c (relax_delay_slots): Check that the jump is
662         conditional before trying to invert it.
664 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
666         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
667         Make them static.
669         * calls (stack_arg_under_construction): Make it static.
671         * flow.c (regs_live_at_setjmp): Make it static.
672         * flow.h: Remove the corresponding prototype.
674         * reload1.c (reload_startobj, reload_firstobj,
675         something_needs_operands_changed, reload_inherited,
676         reload_inheritance_insn, reload_override_in,
677         reload_spill_index): Make them static.
679         * recog.c (verify_changes): Make it static.
680         * recog.h: Remove the corresponding prototype.
682         * cfgbuild.c (find_sub_basic_blocks): Remove.
683         * basic-block.h: Remove the corresponding prototype.
684         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
685         in comments.
686         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
688         * tree-ssa-operands.c (check_build_stmt): Remove.
690         * stor-layout.c (set_alignment): Remove.
691         * tree.h: Remove the corresponding prototype.
693         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
695         * tree-ssa-dce.c (control_dependence_map,
696         visited_control_parents): Make them static.
698         * cfghooks.c (verify_flow_info): Remove local variable
699         num_bb_notes.
701         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
702         last_bb_seen.
704         * loop-unswitch.c (unswitch_loop): Remove local variable src.
706 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
708         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
710 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
712         * config/ia64/hpux.h (LINK_SPEC): Add -z.
713         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
714         PARALLEL for an empty structure.
716 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
718         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
720         * fold-const.c (fold_binary): Unroll the very first "for"
721         loop.
723 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
725         * config/rs6000/predicates.md (branch_comparison_operator): Remove
726         redundant match_code test.
727         (scc_comparison_operator): Swap match_operand and match_code
728         tests.
729         (branch_positive_comparison_operator): Same.
730         (trap_comparison_operator): Use comparison_operator and swap with
731         match_code test.
733 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
735         PR target/20288
736         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
737         (out_movhi_r_mr): Read low byte of volatile MEM first.
738         (out_movhi_mr_r): Write high byte of volatile MEM first.
740 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
742         * cselib.c (reg_values, reg_values_size): Make them static.
744         * cse.c (cse_reg_info_table): Make it static.
746         * fold-const.c (fold_unary): Use build1 instead of copy_node.
748 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
750         * cse.c (find_best_addr): Use canon_for_address.
752 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
754         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
755         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
756         SUBREG and MEM, respectively.
758         * fold-const.c (fold_binary): Use code instead of t.
760         * fold-const.c (optimize_minmax_comparison): Take decomposed
761         arguments code, type, op0, and op1 instead of t.
762         (fold_binary): Update a call to optimize_minmax_comparison.
764         * fold-const.c (fold_range_test): Take decomposed arguments
765         code, type, op0, and op1 instead of t.
766         (fold_binary): Update a call to fold_range_test.
768         * fold-const.c (fold_binary_op_with_conditional_arg): Take
769         decomposed arguments code, type, op0, and op1 instead of t.
770         (fold_binary): Update a call to fold_range_test.
772 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
774         * fold-const.c (fold_binary): Avoid directly using the original
775         expression t as much as possible.
777 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
779         * c-semantics.c (build_stmt): Use TYPE_P instead of
780         IS_NON_TYPE_CODE_CLASS.
781         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
782         (NON_TYPE_CHECK): Use TYPE_P instead of
783         IS_NON_TYPE_CODE_CLASS.
785         * fold-const.c (fold): Remove handling of binary expressions.
787 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
789         * doc/c-tree.texi: Wrap comments in @r{}.
790         * doc/cpp.texi: Likewise.
791         * doc/cppinternals.texi: Likewise.
792         * doc/extend.texi: Likewise.
793         * doc/md.texi: Likewise.
794         * doc/objc.texi: Likewise.
795         * doc/sourcebuild.texi: Likewise.
796         * doc/tm.texi: Likewise.
797         * doc/tree-ssa.texi
799 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
801         * predict.c (apply_return_prediction): Standardize PHI chain
802         walking.
803         * tree-ssa.c (ssa_redirect_edge): Likewise.
805         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
806         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
807         Update copyright.
809         * tree-phinodes.c (remove_phi_node): Drop the last argument.
810         * tree-flow.h: Adjust the prototype for remove_phi_node.
811         * lambda-code.c (perfect_nestify): Adjust a call to
812         remove_phi_node.
813         * tree-cfg.c
814         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
815         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
816         Likewise.
817         * tree-ssa-dce.c (remove_dead_phis): Likewise.
818         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
819         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
820         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
822         * combine.c (simplify_and_const_int): Use gen_int_mode instead
823         of GEN_INT (trunc_int_for_mode (...)).
824         * loop-iv.c (iv_number_of_iterations): Likewise.
825         * postreload.c (reload_cse_move2add): Likewise.
826         * simplify-rtx.c (simplify_const_unary_operation,
827         simplify_const_binary_operation): Likewise.
828         * stor-layout.c (get_mode_bounds): Likewise.
830         * fold-const.c (fold_binary): New.
831         (fold): Call fold_binary on binary expressions.
833 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
835         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
836         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
837         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
838         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
839         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
841 2005-03-04  Devang Patel  <dpatel@apple.com>
842         
843         PR tree-optimization/18815
844         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
845         loops with zero exit edges.
847 2005-03-04  Devang Patel  <dpatel@apple.com>
849         * doc/invoke.texi: Remove reference to webpage that does not exist.
850         
851 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
852             Joseph S. Myers  <joseph@codesourcery.com>
854         PR c++/19797
855         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
856         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
857         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
858         * pa.c (get_plabel): Change argument to symbol_ref.  Call
859         maybe_get_identifier instead of get_identifier.
860         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
861         (struct deferred_plabel): Replace name field with symbol field.
862         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
863         ASM_OUTPUT_EXTERNAL_REAL is defined.
864         (output_global_address): Use output_addr_const for output of all
865         symbol_refs.
866         (output_deferred_plabels): Use symbol_ref instead of name for address
867         output.
868         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
869         ASM_OUTPUT_SYMBOL_REF): New macros.
870         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
871         comment.
872         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
873         label.
875 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
877         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
878         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
880 2005-03-04  Jeff Law  <law@redhat.com>
882         * basic-block.h (rediscover_loops_after_threading): Declare.
883         * tree-ssa-dom.c: Include cfgloop.h.
884         (tree_ssa_dominator_optimize): Discover loops and some basic
885         properties.  Remove forwarder blocks recreated by loop header
886         canonicalization.  Also mark backedges in the CFG.
887         * tree-ssa-threadupdate.c: Include cfgloop.h
888         (rediscover_loops_after_threading): Define.
889         (struct local_info): New field, JUMP_THREADED.
890         (prune_undesirable_thread_requests): New function.
891         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
892         then record that fact for the callers of redirct_edges.
893         (thread_block): If BB has incoming backedges, then call
894         prune_undesirable_thraed_requests.    Note when we are
895         going to have to rediscover loop information.  Return a
896         boolean indicating if any jumps were threaded.
897         (thread_through_all_blocks): Bubble up boolean indicating
898         if any jumps were threaded.
899         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
900         (tree-ssa-threadupdate.o): Similarly.
902 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
904         * fold-const.c (fold_ternary): Unroll the "for" loop to
905         extract operands.  
907 2005-03-04  Andrew Haley  <aph@redhat.com>
909         * unwind-dw2-fde-glibc.c (struct
910         unw_eh_callback_data.check_cache): New field.
911         (frame_hdr_cache): New.
912         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
913         Cache frame header info.
915 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
917         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
918         (print_c_condition): Declare.
919         * read-rtl.c (ptr_loc): New structure.
920         (ptr_locs, ptr_loc_obstack, joined_conditions)
921         (joined_conditions_obstack): New variables.
922         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
923         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
924         (join_c_conditions, print_c_condition): New functions.
925         (apply_macro_to_string): Associate the new string with the same
926         source location as the old one.
927         (add_condition_to_string): Use join_c_conditions.
928         (read_string): Use set_rtx_ptr_loc to record a filename and line
929         number for the string.
930         (read_rtx): Initialize the new variables above.
931         * genattrtab.c (write_test_expr, write_attr_value): Use
932         print_c_condition.
933         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
934         comment above the GCC_VERSION check.
935         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
936         Inline the definition of MAYBE_EVAL.
937         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
938         * genoutput.c (process_template): Likewise.
939         * genpreds.c (write_predicate_subfunction): Likewise.
940         (write_predicate_expr): Use print_c_condition.
941         * genrecog.c (write_cond): Likewise.
942         * gensupport.c (process_rtx): Use join_c_conditions to join the
943         conditions of a define_insn_and_split.  Record a source location
944         for the string after the "&&".
945         (alter_test_for_insn): Use join_c_conditions.
947 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
949         Revert for now:
950         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
951         PR tree-optimization/15784
952         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
953         and -1 - A to ~A.
955 2005-03-04  Ben Elliston  <bje@au.ibm.com>
957         * gcc.c (option_map): Add --coverage.
958         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
959         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
960         * config/darwin.h: Pass -lgcov for `coverage'.
961         * doc/invoke.texi (Debugging Options): Document --coverage.
963 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
965         * gcse.c (bypass_block): Use find_edge wherever possible.
967 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
969         Fix PR debug/20253
970         
971         * c-opts.c (c_common_parse_file): Call start_source_file
972         and end_source_file at the approriate times.
974         * dwarf2out.c (dwarf2out_finish): Don't auto-end
975         the main file, it will be done for us now.
976         
977 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
979         * fold-const.c (fold_ternary): New.
980         (fold): Call fold_ternary on ternary expressions.  Remove
981         handling of ternary expressions.
983 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
985         PR tree-optimization/15784
986         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
987         and -1 - A to ~A.
989 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
991         * config/rs6000/predicates.md (branch_comparison_operator):
992         Convert from C block to conditional format.
994 2005-03-03  Jan Hubicka  <jh@suse.cz>
996         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
997         and non-constant public variables.
999 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1001         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1002         with LABEL_EXPR.
1004         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1005         EDGE_I.
1007         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1008         calls to release_ssa_name and release_phi_node.
1010         * fold-const.c (fold): Remove handling of unary expressions.
1012         * fold-const.c (fold_unary): Avoid directly using the original
1013         expression t as much as possible.
1015 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1016             Andrew Pinski  <pinskia@physics.uc.edu>
1018         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1019         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1021 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1023         Describe special registers SRP and MOF as allocatable registers.
1024         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1025         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1026         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1027         TARGET_HAS_MUL_INSNS.
1028         (cris_print_operand) <case 'd'>: New case.
1029         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1030         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1031         define.
1032         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1033         (REG_ALLOC_ORDER): Update for MOF.
1034         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1035         SPECIAL_REGS.
1036         (GENERAL_REGS): No longer a define of ALL_REGS.
1037         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1038         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1039         Adjust accordingly.
1040         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1041         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1042         (SECONDARY_RELOAD_CLASS): Define.
1043         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1044         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1045         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1046         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1047         (REGISTER_MOVE_COST): Define.
1048         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1049         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1050         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1051         (CRIS_MOF_REGNUM): New define_constants.
1052         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1053         special registers.
1054         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1055         New patterns.
1056         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1057         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1058         Adjust for MOF being properly described as a register.
1059         (indir_to_reg_split): Name this split.  Conditionalize on the
1060         destination register being a general register.
1061         (movei): Conditionalize on on operands 0 and 1 having the same
1062         register class.
1064 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1066         PR target/20277
1067         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1068         -mcpu to override any other explicitly given flags.
1070 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1072         * recog.c (verify_changes, confirm_change_group): New functions,
1073         broken out of apply_change_group.
1074         (apply_change_group): Use them.
1075         * recog.h (verify_change, confirm_change_group): Declare.
1076         * rtl.h (redirect_jump_2): Declare.
1077         * jump.c (redirect_exp, invert_exp): Delete.
1078         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1079         (redirect_jump_2): New function, broken out of redirect_jump.
1080         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1081         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1082         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1084 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1086         * varasm.c (named_section): Use xstrdup rather than doing it by
1087         hand.
1089         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1091 2005-03-02  Devang Patel  <dpatel@apple.com>
1092         
1093         Undo PR tree-optimization/18815 fix.
1094         
1095 2005-03-02  Devang Patel  <dpatel@apple.com>
1097         PR tree-optimization/18815
1098         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1099         loops with zero exit edges.
1100         
1101 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1103         * cfg.c (connect_src, connect_dest, disconnect_src,
1104         disconnct_dest): New.
1105         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1106         redirect_edge_pred): Use the new functions.
1108         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1109         free_dominance_info only when needed.
1111 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1113         PR target/20276
1114         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1115         (reg_or_sub_cint64_operand): Same.
1117 2005-03-02  Jeff Law  <law@redhat.com>
1119         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1120         CFG_ALTERED in the main DOM iteration loop.
1122 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1124         PR c++/19916
1125         * varasm.c (initializer_constant_valid_p): Allow conversions
1126         between OFFSET_TYPEs.  Tidy.
1128 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1130         * config/cris/cris.md ("return"): Remove epilogue delay list
1131         sanity check.
1133 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1135         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1136         for Thumb.
1137         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1139 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1141         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1142         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1143         config/m68k/m68k.c, config/mips/mips.h,
1144         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1145         doc/include/gcc-common.texi: Update copyright.
1147         PR middle-end/18029 and PR middle-end/18030
1148         * expr.c (optimize_bitfield_assignment_op): Add a special case
1149         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1151         * fold-const.c (fold_unary): New.
1152         (fold): Call fold_unary on unary expressions.
1154 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1156         * cgraph.h (struct cgraph_edge): Add prev_caller and
1157         prev_callee fields.
1158         (cgraph_node_remove_callees): Export.
1159         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1160         and prev_callee.
1161         (cgraph_edge_remove_callee): New function.
1162         (cgraph_edge_remove_caller): Likewise.
1163         (cgraph_remove_edge): Use.
1164         (cgraph_redirect_edge_callee): Likewise.
1165         (cgraph_node_remove_callees): New function.
1166         (cgraph_node_remove_callers): Likewise.
1167         (cgraph_remove_node): Use.
1168         * tree-optimize.c (tree_rest_of_compilation): Use
1169         cgraph_node_remove_callees instead of manual loop.
1170         * cgraphunit.c (cgraph_finalize_function): Likewise.
1171         (cgraph_expand_function): Likewise.
1172         (cgraph_remove_unreachable_nodes): Likewise.
1174 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1176         PR c/8927
1177         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1178         argument.
1179         * c-decl.c (undeclared_variable): Take location as argument.
1180         * c-typeck.c (build_external_ref): Likewise.
1181         * c-parser.c (c_parser_postfix_expression): Pass location of
1182         identifier to build_external_ref.
1184 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1186         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1187         CCEQ mode for branch_positive_comparison_operator test.
1188         * config/rs6000/predicates (branch_comparison_operator): Revert to
1189         define_predicate.
1190         (scc_comparison_operator): Same.
1191         (branch_positive_comparison_operator): Same.
1193 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1195         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1196         (cris_delay_slots_for_epilogue): Remove.
1197         (save_last): Move into cris_target_asm_function_epilogue.
1198         (cris_target_asm_function_epilogue): Remove tests for file being
1199         NULL.
1200         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1201         (cris_delay_slots_for_epilogue): Remove prototypes.
1202         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1203         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1205 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1207         * config/rs6000/predicates.md (branch_comparison_operator): Change
1208         to define_special_predicate.
1209         (scc_comparison_operator): Same.
1210         (branch_positive_comparison_operator): Same.
1212 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1214         * Makefile.in (tree-ssa-sink.o): New.
1215         (OBJS-common): Add tree-ssa-sink.o.
1216         * common.opt: Add -ftree-sink
1217         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1218         * timevar.def (TV_TREE_SINK): new timevar.
1219         * tree-flow.h (is_hidden_global_store): Prototype.
1220         * tree-optimize.c (init_tree_optimization_passes): Add
1221         pass_sink_code.
1222         * tree-pass.h (pass_sink_code): New.
1223         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1224         for non-obvious global store store to is_hidden_global_store, and
1225         call that new function.
1226         * tree-ssa-sink.c: New file.
1227         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1228         * doc/passes.texi: Document forward store motion.
1229         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1230         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1231         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1232         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1234 2005-03-01  Per Bothner  <per@bothner.com>
1236         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1237         and we have a non-zero column-number, add it to the message.
1238         Also factor out the diagnostic_kind_text.
1240 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1242         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1243         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1244         flow_loop_scan): Removed.
1245         (flow_loop_dump): Do not dump removed fields.
1246         (flow_loop_free): Do not free removed fields.
1247         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1248         (loop_exit_edge_p): New function.
1249         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1250         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1251         num_exits, exits_doms.
1252         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1253         LOOP_EDGES, LOOP_ALL): Removed.
1254         (flow_loop_scan): Declaration removed.
1255         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1256         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1257         flow_loops_find.
1258         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1259         (if_convert): Call flow_loops_find and flow_loops_free
1260         when calling mark_loop_exit_edges.
1261         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1262         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1263         free_dominance_info calls.
1264         * loop-init.c (flow_loops_find): Ditto.
1265         * passes.c (rest_of_handle_branch_prob): Ditto.
1266         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1267         * loop-unroll.c (analyze_insns_in_loop): Do not use
1268         EDGE_LOOP_EXIT.
1269         * predict.c (predict_loops): Do not call flow_loop_scan.
1270         Use get_loop_exit_edges.
1271         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1272         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1273         Do not use EDGE_LOOP_EXIT.
1274         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1275         to bb_with_exit_edge_p.
1276         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1277         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1278         to bb_with_exit_edge_p.
1279         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1280         EDGE_LOOP_EXIT.
1281         * tree-loop-linear.c (linear_transform_loops): Do not call
1282         flow_loop_scan.  Use loop->single_exit.
1283         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1284         (vect_analyze_loop_form): Do not call flow_loop_scan.
1285         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1286         loop->single_exit.
1287         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1288         loop->single_exit.
1289         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1290         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1291         slpeel_tree_duplicate_loop_to_edge_cfg,
1292         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1293         Use loop_preheader_edge and loop->single_exit.  Do not call
1294         flow_loop_scan.
1296 2005-03-01  Nick Clifton  <nickc@redhat.com>
1298         * config/arm/arm.c (thumb_find_work_register): Check all of the
1299         argument registers to see if they are free, and a couple of
1300         special cases where the last argument register but can be proved
1301         to be available during the function's prologue.
1302         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1303         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1304         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1305         register bit-mask.
1306         (thumb_compute_save_reg_mask): Likewise.  Also use
1307         thumb_find_work_register() to ensure that there is agreement about
1308         which work register is going to be used in the prologue.
1309         (thumb_output_function_prologue): Use unsigned long as the type
1310         for the register bit-mask.  Also delay pushing the link register if
1311         other high registers are going to be pushed.
1312         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1313         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1314         redundant prototypes.
1316 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1318         PR target/19819
1319         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1320         and after reload in REG+REG indexed addresses without REG_POINTER
1321         set in the base and not set in the index.
1323 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1325         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1326         Don't undefine here.
1327         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1328         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1329         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1330         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1331         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1332         Delete.
1333         * config.gcc (sh*-*-linux*): Use config/linux.h.
1335 2005-02-28  Dale Johannesen  <dalej@apple.com>
1336             Stan Shebs  <shebs@apple.com>
1338         Rewrite of 64-bit Darwin structure-by-value pass/return.
1339         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1340         intoffset, use_stack, named.
1341         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1342         (rs6000_darwin64_record_arg_advance_flush):  New.
1343         (rs6000_darwin64_record_arg_advance_recurse): New.
1344         (rs6000_darwin64_record_arg_flush):  New.
1345         (rs6000_darwin64_record_arg_recurse):  New.
1346         (rs6000_darwin64_record_arg):  New.
1347         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1348         (function_arg_boundary):  Handle 128-bit aligned structs.
1349         (function_arg_advance):  Rewrite darwin64 struct handling.
1350         (function_arg):  Call rs6000_darwin64_record_arg.
1351         (function_arg_partial_nregs):  Handle darwin64 structs.
1352         (rs6000_darwin64_function_value):  Remove.
1353         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1355 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1357         PR tree-optimization/20216
1358         * tree-chrec.c (tree_fold_factorial): Delete.
1359         (tree_fold_binomial): Change argument list to take a return type
1360         and change the type of K to unsigned int.  Rewrite to avoid explicit
1361         evaluation of factorials, and (recursively) calling fold to perform
1362         compile-time arithmetic.  Return NULL on (internal) overflow.
1363         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1364         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1365         if any intermediate calculation overflows.
1366         (chrec_apply): Update call to chrec_evaluate.
1368 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1370         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1372 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1374         PR c/20245
1375         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1376         instead of NULL_TREE on error.
1378 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1380         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1381         (EASY_VECTOR_15_ADD_SELF): Remove.
1382         (num_insns_constant_wide): Not static.
1383         (validate_condition_mode): Not static.
1384         (toc_relative_expr_p): Not static.
1385         (legitimate_indirect_address_p): Not static.
1386         (macho_lo_sum_memory_operand): Not static.
1387         (invalid_e500_subreg): Not static.
1388         (easy_vector_same): Not static.
1389         (easy_vector_splat_const): Not static.
1390         (RS6000_SYMBOL_REF_TLS_P): Remove.
1391         (any_operand): Delete.
1392         (any_parallel_operand): Delete.
1393         (count_register_operand): Delete.
1394         (altivec_register_operand): Delete.
1395         (xer_operand): Delete.
1396         (s8bit_cint_operand): Delete.
1397         (short_cint_operand): Delete.
1398         (u_short_cint_operand): Delete.
1399         (non_short_cint_operand): Delete.
1400         (exact_log2_cint_operand): Delete.
1401         (gpc_reg_operand): Delete.
1402         (cc_reg_operand): Delete.
1403         (cc_reg_not_cr0_operand): Delete.
1404         (reg_or_short_operand): Delete.
1405         (reg_or_neg_short_operand): Delete.
1406         (reg_or_aligned_short_operand): Delete.
1407         (reg_or_u_short_operand): Delete.
1408         (reg_or_cint_operand): Delete.
1409         (reg_or_arith_cint_operand): Delete.
1410         (reg_or_add_cint64_operand): Delete.
1411         (reg_or_sub_cint64_operand): Delete.
1412         (reg_or_logical_cint_operand): Delete.
1413         (got_operand): Delete.
1414         (got_no_const_operand): Delete.
1415         (easy_fp_constant): Delete.
1416         (easy_vector_constant): Delete.
1417         (easy_vector_constant_add_self): Delete.
1418         (zero_constant): Delete.
1419         (zero_fp_constant): Delete.
1420         (volatile_mem_operand): Delete.
1421         (offsettable_mem_operand): Delete.
1422         (mem_or_easy_const_operand): Delete.
1423         (add_operand): Delete.
1424         (non_add_cint_operand): Delete.
1425         (logical_operand): Delete.
1426         (non_logical_cint_operand): Delete.
1427         (mask_operand): Delete.
1428         (mask_operand_wrap): Delete.
1429         (mask64_operand): Delete.
1430         (mask64_2_operand): Delete.
1431         (and64_operand): Delete.
1432         (and64_2_operand): Delete.
1433         (and_operand): Delete.
1434         (reg_or_mem_operand): Delete.
1435         (lwa_operand): Delete.
1436         (symbol_ref_operand): Delete.
1437         (call_operand): Delete.
1438         (current_file_function_operand): Delete.
1439         (input_operand): Delete.
1440         (rs6000_nonimmediate_operand): Delete.
1441         (rs6000_tls_symbol_ref): Delete.
1442         (save_world_operation): Delete.
1443         (restore_world_operation): Delete.
1444         (load_multiple_operation): Delete.
1445         (store_multiple_operation): Delete.
1446         (vrsave_operation): Delete.
1447         (mfcr_operation): Delete.
1448         (mtcrf_operation): Delete.
1449         (lmw_operation): Delete.
1450         (stmw_operation): Delete.
1451         (branch_comparison_operator): Delete.
1452         (branch_positive_comparison_operator): Delete.
1453         (scc_comparison_operator): Delete.
1454         (trap_comparison_operator): Delete.
1455         (boolean_operator): Delete.
1456         (boolean_or_operator): Delete.
1457         (min_max_operator): Delete.
1458         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1459         (EASY_VECTOR_15): Moved to here.
1460         (EASY_VECTOR_15_ADD_SELF): Move to here.
1461         (PREDICATE_CODES): Delete.
1462         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1463         Declare functions no longer static.
1464         * config/rs6000/predicates.md: New.
1465         * config/rs6000/rs6000.md: Include predicates.md
1467 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1469         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1470         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1471         REG_ALWAYS_RETURN.
1472         * cfgrtl.c (need_fake_edge_p): Likewise.
1473         * combine.c (distribute_notes): Likewise.
1474         * emit-rtl.c (try_split): Likewise.
1475         * recog.c (peephole2_opimize): Likewise.
1476         * reg-notes.def (ALWAYS_RETURN): Remove.
1477         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1478         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1479         * tree.h (ECF_ALWAYS_RETURN): Remove.
1481 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1483         PR middle-end/19874
1484         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1485         between different machine modes is never a "useless" conversion.
1487 2005-02-28  Geert Bosch  <bosch@gnat.com>
1489         PR ada/15977
1490         * doc/contrib.texi: List contributors for Ada front end
1492 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1494         * simplify-rtx.c (simplify_unary_operation_1,
1495         simplify_const_unary_operation): New, extracted from...
1496         (simplify_unary_operation): ... this one.
1497         (simplify_binary_operation_1,
1498         simplify_const_binary_operation): New, extracted from...
1499         (simplify_binary_operation): ... this one.
1500         * rtl.h (simplify_const_unary_operation,
1501         simplify_const_binary_operation): Add prototypes.
1503 2005-02-28  Julian Brown  <julian@codesourcery.com>
1505         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1506         building libjava and caused PR regression/20228.
1508 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1510         PR bootstrap/17383
1511         * Makefile.in (host_subdir): New.
1512         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1513         * configure: Regenerate.
1515 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1517         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1518         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1519         installation directory first.
1521 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1523         PR target/19065.
1524         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1525         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1526         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1527         * config/cris/cris.md: Tweak comments referring to Q.
1528         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1529         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1530         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1531         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1532         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1533         Insert spaces in constraints to align alternatives vertically for
1534         readability.
1535         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1536         operand 1: "M".
1538 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1540         PR rtl-optimization/17728
1541         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1542         operand 0 from general_operand to move_dest_operand.
1544 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1546         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1547         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1548         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1549         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1551 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1553         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1554         * configure: Regenerate.
1555         * libada-mk.in: Remove CC; rename
1556         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1558 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1560         PR tree-opt/20188
1561         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1562         for the lhs, also walk over the tree.  Likewise for rhs.
1564 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1566         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1567         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1568         Do not propagate value of iv before increment over the increment.
1570 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1572         * c-parser.c: New file.
1573         * c-parse.in: Remove.
1574         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1575         Remove.
1576         (c-parser.o): Add dependencies.
1577         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1578         maintainer-clean, TAGS): Update.
1579         * c-config-lang.in (gtfiles): Update.
1580         * gengtype-lex.l: Don't handle "@@".
1581         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1582         objc_build_synchronized, objc_begin_try_stmt,
1583         objc_begin_catch_clause, objc_finish_catch_clause,
1584         objc_build_finally_clause, objc_finish_try_stmt): New.
1585         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1586         type_seen_p.
1587         (c_parse_init): Update comment.
1588         * c-decl.c (c_init_decl_processing): Update comment.
1589         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1590         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1591         new c_declspecs members.
1593 2005-02-25  Julian Brown  <julian@codesourcery.com>
1595         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1596         from being used for symbols with vague linkage when
1597         HAVE_GAS_COMDAT_GROUP is true.
1599 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1601         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1603 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1605         PR target/19930
1606         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1607         (LIBGCC2_HAS_DF_MODE): New.
1608         (LIBGCC2_HAS_XF_MODE): New.
1609         (LIBGCC2_HAS_TF_MODE): New.
1610         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1611         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1612         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1613         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1614         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1615         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1616         and add _fixtfdi, _fixunstfdi, _floatditf
1617         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1618         L_fixunstfdi, L_floatditf.
1619         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1620         (LIBGCC2_HAS_TF_MODE): Define.
1622 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1624         PR tree-optimization/20204
1625         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1626         REWRITE_THIS_STMT markers on PHI nodes.
1627         (rewrite_initialize_block): Likewise.
1629 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1631         * version.c (version_string): Update to 4.1.
1633 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1635         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1636         Clarify that the alternative way doesn't work in GNU C++.
1638 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1640         PR tree-optimization/19937
1641         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1642         to the type of the induction variable.
1644 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1646         PR rtl-optimization/20117
1647         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1648         the block including noncopyable insn.
1650 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1652         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1653         calls to find_reg_note.
1655 2005-02-24  Richard Henderson  <rth@redhat.com>
1657         PR tree-opt/20127
1658         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1659         the type.
1661 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1663         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1664         vector types if to use base reg for misaligned non-word ld/std.
1666 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1668         PR target/14619
1669         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1670         dwarf2 label manually and put it after, not before the prologue.
1672 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1674         PR target/19019
1675         * reload.c (operands_match_p): Only increment register number for
1676         SCALAR_INT_MODE_P modes in multiple hard registers.
1678         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1679         Fix formatting.
1681 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1683         * ChangeLog.5: Fix log message typo(s).
1684         * ChangeLog.7: Likewise.
1685         * ChangeLog.tree-ssa: Likewise.
1686         * cfgexpand.c: Fix comment typo(s).
1687         * conflict.c: Likewise.
1688         * defaults.h: Likewise.
1689         * dwarf2out.c: Likewise.
1690         * gcse.c: Likewise.
1691         * ggc-page.c: Likewise.
1692         * tree-eh.c: Likewise.
1693         * tree-ssa-dom.c: Likewise.
1695 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1697         PR target/19019
1698         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1699         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1700         if SHARED is defined.
1702         PR target/20196
1703         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1704         allow splitting only if operands 0 and 3 don't overlap.
1706 2005-02-24  Richard Henderson  <rth@redhat.com>
1708         PR middle-end/19953
1709         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1710         (fold_builtin_1): Call them.
1711         * fold-const.c (fold_complex_mult_parts): Split out from ...
1712         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1713         (fold_complex_div_parts, fold_complex_div): New.
1714         (fold): Use them.
1715         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1717 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1719         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1720         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1722         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1723         (print_node): Likewise.
1724         Print TYPE_SIZES_GIMPLIFIED.
1726 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1728         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1729         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1730         operands as commutative in constraints.
1732 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1734         * tree-into-ssa.c: Re-organize internal functions.
1736 2005-02-24  Richard Henderson  <rth@redhat.com>
1738         PR middle-end/18902
1739         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1740         for c99.
1741         * common.opt (fcx-limited-range): New.
1742         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1743         * toplev.c (flag_complex_method): Initialize to 1.
1744         (process_options): Set flag_complex_method to 0 if
1745         flag_cx_limited_range.
1746         * doc/invoke.texi (-fcx-limited-range): New.
1748 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1750         * cse.c (delete_trivially_dead_insns): Speed up by using
1751         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1752         prev_real_insn.
1754 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1756         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1757         functions when -mid-shared-library is being used.
1759 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1761         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1762         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1763         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1764         * system.h: Poison LINK_LIBGCC_SPECIAL.
1766 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1768         * gengtype.c (note_insn_name): Make 1 element larger.
1770 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1772         PR target/20018
1773         PR rtl-optimization/20097
1774         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1775         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1777 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1779         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1780         * t-aix52 (SHLIB_INSTALL): Same.
1782 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1784         * genpreds.c: Update copyright.
1786 2005-02-23  Michael Beach  <michaelb@ieee.org>
1788         PR target/20159
1789         * config/sparc/t-elf (startup files): Assemble with CPP.
1791 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1793         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1794         (write_predicate_expr): Likewise.
1796 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1798         PR tree-optimization/20100
1799         PR tree-optimization/20115
1800         * tree-optimize.c (init_tree_optimization_passes): Remove
1801         pass_maybe_create_global_var.
1802         * tree-pass.h (pass_maybe_create_global_var): Remove.
1803         * tree-ssa-alias.c (aliases_computed_p): Declare.
1804         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1805         (count_calls_and_maybe_create_global_var): Remove.
1806         (pass_maybe_create_global_var): Remove.
1807         (init_alias_info): Do not declare aliases_computed_p.
1808         (maybe_create_global_var): If the function contains no
1809         call-clobbered variables and a mix of pure/const and regular
1810         function calls, create .GLOBAL_VAR.
1811         Mark all call-clobbered variables for renaming.
1812         (merge_pointed_to_info): Update comment.
1813         (add_pointed_to_var): Likewise.
1814         (is_escape_site): Likewise.
1815         Accept struct alias_info * instead of size_t *.
1816         Update all users.
1817         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1818         as necessary.
1819         * tree-ssa-operands.c (get_call_expr_operands): If
1820         ALIASES_COMPUTED_P is false, do not add call-clobbering
1821         operands.
1822         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1823         (delete_tree_ssa): Likewise.
1825 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1827         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1828         (do_compile): Do call it here.
1830 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1832         PR rtl-optimization/20017.
1833         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1834         rest_of_handle_cse2, rest_of_handle_gcse): Call
1835         delete_dead_jumptables immediately before calling cleanup_cfg.
1837 2005-02-22  Devang Patel  <dpatel@apple.com>
1839         PR 19952
1840         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1841         all labels
1843 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1845         * config/rs6000/aix.h (WINT_TYPE): Define.
1847 2005-02-22  Stan Shebs  <shebs@apple.com>
1849         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1850         natural alignment for 64-bit Darwin.
1851         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1852         on 64-bit Darwin.
1853         * doc/invoke.texi: Document this.
1855 2005-02-22  DJ Delorie  <dj@redhat.com>
1857         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1858         to make_[un]signed_type, not the mode itself.
1860 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1862         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1863         not available.  Use tail calls wherever possible.
1864         (make_edge): Call unchecked_make_edge to create an edge.
1866         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1867         (coalesce_ssa_name): Don't check for
1868         SSANORM_USE_COALESCE_LIST.
1869         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1871 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1873         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1874         (rewrite_into_ssa): ... here.
1876 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1878         PR tree-optimization/19786
1879         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1880         tag to another's may-alias bitmap when adding to the other's list.
1882 2005-02-21  DJ Delorie  <dj@redhat.com>
1884         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1885         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1886         registers in unsupported ways.
1887         * expmed.c (init_expmed): Likewise.
1889 2005-02-21  Stan Cox  <scox@redhat.com>
1891         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1893 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1895         * tree-cfg.c (fold_cond_expr_cond): New.
1896         (make_edges): Call fold_cond_expr_cond.
1897         (find_taken_edge): Accept nothing but INTEGER_CST.
1898         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1899         and 1.
1900         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1902         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1903         that do not belong to any basic block.
1905 2005-02-21  Jeff Law  <law@redhat.com>
1907         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1908         e->dest.
1910 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1912         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1913         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1914         Adjust their definitions.
1915         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1916         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1918         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1919         genautomata.c, langhooks.c, langhooks.h, system.h,
1920         config/arm/lib1funcs.asm: Update copyright.
1922 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1924         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1926 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1928         PR bootstrap/13770
1929         * doc/install.texi: Document --with-gc.
1931 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1933         * simplify-rtx.c (simplify_unary_operation): Add a missing
1934         "break" statement.
1936 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1938         PR tree-optimization/18663
1939         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1940         if the type has variable bounds.
1942 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1944         * gcse.c: Remove an obsolete comment.
1946         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1948 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1950         * doc/extend.texi (Function Attributes) <Attribute const>: The
1951         attribute "pure" is below this text, not above.
1953 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1955         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1956         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1957         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1959 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1961         PR 18785
1962         * langhooks.h (struct lang_hooks): Add to_target_charset.
1963         * langhooks.c (lhd_to_target_charset): New function.
1964         * langhooks-def.h: Declare lhd_to_target_charset.
1965         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1966         (LANG_HOOKS_INITIALIZER): Update.
1967         * c-common.c (c_common_to_target_charset): New function.
1968         * c-common.h: Declare it.
1969         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1970         c_common_to_target_charset.
1972         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1973         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1974         Delete definitions.
1975         * system.h: Poison them.
1976         * doc/tm.texi: Don't discuss them.
1977         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1978         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1979         (pp_c_char): Do not attempt to generate letter escapes for
1980         newline, tab, etc.
1981         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1982         * config/mips/mips.c (mips_output_ascii): Likewise.
1984 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1986         PR tree-optimization/19951
1987         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1988         is abnormal.
1990 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1992         PR middle-end/19698
1993         * function.h (struct function): New field `max_loop_depth'.
1994         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1995         (flow_loops_find): Reset the max loop depth count before finding loops.
1996         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1997         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1998         (calculate_global_regs_live): Make sure the loop will terminate
1999         when the initial sets are not empty.
2001 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2003         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2004         object inside.
2005         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2007 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2009         PR other/19525
2010         * doc/invoke.texi: Remove documentation of %M spec.
2011         * gcc.c: Likewise.
2012         (init_spec): Remove %M suffix from -lgcc_s.
2013         (do_spec_1): Remove 'M' case.
2014         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2015         to put shared libraries in the multilib directory.  Remove the
2016         shlib_so_soname substitution variable.  Don't add a multilib encoding
2017         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2018         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2019         SHLIB_INSTALL as well as SHLIB_LINK.
2020         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2021         (SHLIB_NAME): Delete.
2022         (SHLIB_DIR): New macro.
2023         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2024         (SHLIB_INSTALL): Adjust accordingly.
2025         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2026         * config/t-slibgcc-sld: Likewise.
2027         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2028         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2029         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2030         in $(SHLIB_DIR).
2031         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2032         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2033         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2034         Use @shlib_base_name@ instead of @shlib_so_name@.
2035         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2036         and @shlib_base_name@.so in @multilib_dir@.
2037         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2038         to the install path.
2039         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2040         (SHLIB_LINK): Remove previous workaround.
2041         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2042         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2043         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2044         the install path.
2045         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2046         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2047         (SHLIB_INSTALL): Adjust accordingly.
2048         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2049         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2050         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2051         config/t-slibgcc-elf-ver.
2053 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2054             Jakub Jelinek  <jakub@redhat.com>
2056         PR tree-optimization/19828
2057         * tree-ssa-loop-im.c: Add a TODO comment.
2058         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2059         without side-effects.
2061 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2063         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2064         call fold_convert.
2066 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2068         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2069         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2070         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2071         functions.
2072         (ia64_reorg): Delete fixup_errata call.
2073         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2074         (TARGET_SWITCHES): Delete -mb-step entry.
2076 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2078         PR c/20043
2079         * c-typeck.c (composite_type): Handle quals in transparent unions.
2080         (type_lists_compatible_p): Likewise.
2082 2005-02-18  Stan Shebs  <shebs@apple.com>
2084         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2085         expressions in the .literal8 section.
2087 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2089         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2091 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2093         * fold-const.c (constant_boolean_node): Always create values of the
2094         specified type, don't bother calling truthvalue_conversion.
2096 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2098         * except.c (output_function_exception_table): Call
2099         assemble_external_libcall (eh_personality_libfunc).
2101 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2103         PR target/19886
2104         * config/ia64/ia64.h (struct machine_function): Add state_num.
2105         * config/ia64/ia64.c (process_epilogue,
2106         process_for_unwind_directive): Use new unwind state numbers each
2107         time rather than state 1.
2109 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2111         PR target/20054
2112         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2113         before the "*llgt_didi" pattern.
2115 2005-02-18  Jason Merrill  <jason@redhat.com>
2117         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2119 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2121         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2122         (div0): Use it in place of ARM_FUNC_ALIAS.
2123         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2125 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2127         PR middle-end/20030
2128         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2129         access, the lower bound of the array type if it exists.
2131 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2133         PR c++/20008
2134         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2135         cases that are out-of-range for the index type.
2137 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2139         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2140         (estimate_case_costs): Don't call convert.
2141         * expmed.c (expand_shift): Likewise.
2142         (make_tree): Call fold_convert instead of convert.
2144 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2146         PR c++/19813
2147         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2148         that ref to be marked MEM_READONLY_P doesn't have base that needs
2149         constructing.
2151 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2153         * genautomata.c (output_get_cpu_unit_code_func,
2154         output_cpu_unit_reservation_p): Don't generate old-style function
2155         definitions.
2157 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2159         PR c++/20023
2160         PR tree-optimization/20009
2161         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2163         PR tree-optimization/18947
2164         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2165         inline, remove all nodes that are inlined into the extern inline
2166         being redefined.
2168 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2170         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2171         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2172         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2173         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2174         Update copyright.
2176 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2178         PR tree-optimization/19917
2179         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2180         to be potentially trapping.
2182 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2184         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2186 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2188         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2189         tem becomes a local variable which is set to the value of the
2190         back end defined INITIAL_FRAME_ADDRESS macro.
2191         (expand_builtin_frame_address): Omit the base parameter to
2192         expand_builtin_return_addr.
2193         (expand_builtin_profile_func): Likewise.
2194         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2195         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2196         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2198 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2200         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2201         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2202         * config/frv/frv.c (frv_function_epilogue): Likewise.
2204 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2206         * lambda-code (perfect_nestify): Remove mark/unmark
2207         for rewriting hack.
2208         * tree-loop-linear.c (linear_transform_loops): Add
2209         rewrite_into_ssa call so that ssa is correct for
2210         rewriting into loop closed.
2212 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2214         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2215         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2216         BITMAP_FREE.
2217         * bt-load.c (btr_def_live_range, combine_btr_defs,
2218         migrate_btr_def, migrate_btr_defs): Likewise.
2219         * cfgcleanup.c (thread_jump): Likewise.
2220         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2221         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2222         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2223         df_rd_local_compute, df_reg_info_compute): Likewise.
2224         * dominance.c (init_dom_info, free_dom_info): Likewise.
2225         * flow.c (init_propagate_block_info,
2226         free_propagate_block_info): Likewise.
2227         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2228         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2229         modify_reg_pav): Likewise.
2230         * loop-invariant.c (find_defs, find_invariant_insn,
2231         find_invariants, free_inv_motion_data): Likewise.
2232         * predict.c (tree_predict_by_opcode,
2233         estimate_bb_frequencies): Likewise.
2234         * stmt.c (expand_case): Likewise.
2235         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2236         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2237         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2238         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2239         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2240         rewrite_ssa_into_ssa): Likewise.
2241         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2242         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2243         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2244         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2245         * tree-sra.c (tree_sra): Likewise.
2246         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2247         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2248         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2249         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2250         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2251         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2252         Likewise.
2253         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2254         calculate_live_on_entry, calculate_live_on_exit,
2255         build_tree_conflict_graph): Likewise.
2256         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2257         record_important_candidates, set_use_iv_cost, find_depends,
2258         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2259         tree_ssa_iv_optimize_finalize): Likewise.
2260         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2261         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2262         tree_duplicate_loop_to_header_edge): Likewise.
2263         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2264         * tree-ssa.c (verify_flow_insensitive_alias_info,
2265         verify_name_tags, verify_ssa, init_tree_ssa,
2266         delete_tree_ssa): Likewise.
2267         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2268         fini_ssanames): Likewise.
2269         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2271 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2273         * config/rs6000/t-rtems: Completely reworked.
2275 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2277         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2279 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2281         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2282         POINTER_TYPE_P when checking that type is a pointer.
2283         (vect_get_memtag): Remove.
2284         (vect_address_analysis): Use POINTER_TYPE_P. Call
2285         vect_object_analysis with dummy parameter for memtag.
2286         (vect_object_analysis): Extract memtag (functionality that
2287         used to be in vect_get_memtag and moved here). Fix printings.
2288         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2289         with correct parameters. Remove call to vect_get_memtag.
2291 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2293         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2294         (tree-vectorizer.o): Added missing dependencies.
2296         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2297         decleration.
2298         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2299         declaration in tree-vectorizer.c, now has an extern declaration in
2300         tree-vectorizer.h).
2301         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2302         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2303         get_vectype_for_scalar_type, vect_is_simple_use,
2304         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2305         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2306         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2307         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2308         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2309         find_loop_location): Likewise.
2311         * tree-vectorizer.c (langhooks.h): #include removed.
2312         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2313         moved to tree-vectorized.h.
2314         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2315         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2316         get_vectype_for_scalar_type, vect_is_simple_use,
2317         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2318         vect_supportable_dr_alignment, new_loop_vec_info,
2319         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2320         vect_set_verbosity_level, find_loop_location): Likewise.
2322         (vect_analyze_loop): Function externalized. Declaration moved to
2323         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2324         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2325         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2326         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2327         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2328         vect_enhance_data_refs_alignment, vect_analyze_operations,
2329         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2330         vect_stmt_relevant_p, vect_get_loop_niters,
2331         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2332         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2333         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2334         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2335         vect_get_memtag): Likewise.
2337         (vectorizable_load): Function externalized. Declaration moved to
2338         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2339         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2340         vect_transform_loop): Likewise.
2341         (vect_transform_stmt): Moved to tree-vect-transform.c.
2342         (vect_align_data_ref, vect_create_destination_var,
2343         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2344         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2345         vect_get_vec_def_for_operand, vect_init_vector,
2346         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2347         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2348         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2349         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2350         vect_do_peeling_for_loop_bound): Likewise.
2352         * tree-vect-analyze.c: New file.
2353         * tree-vect-transform.c: New file.
2355 2005-02-17  Jason Merrill  <jason@redhat.com>
2357         PR mudflap/19319, c++/19317
2358         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2359         slot explicit.
2361 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2363         * doc/install.texi (Specific): Update link for Darwin-specific
2364         tool binary site.
2366 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2368         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2369         constant_boolean_node.
2371 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2373         PR target/19019
2374         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2375         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2377 2005-02-16  Richard Henderson  <rth@redhat.com>
2379         PR 19920
2380         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2381         with W_TYPE_SIZE.
2382         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2383         replace uses with Wtype_MAXp1_F.
2384         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2385         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2386         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2387         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2388         and HAVE_TFMODE as appropriate.
2389         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2390         (__floatdisf): Likewise.
2391         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2392         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2393         (Wtype_MAXp1_F): New.
2394         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2395         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2397 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2399         * PR target/19162
2400         * arm.c (arm_apply_result_size): New function.
2401         * arm.h (APPLY_RESULT_SIZE): Define.
2402         * arm-protos.h (arm_apply_result_size): Add prototype.
2403         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2404         (movxf): New expand.
2405         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2406         (call_value_symbol): Remove predicate for operand 0.
2407         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2408         (untyped_call): Rework to correclty return values for any type.
2409         (untyped_return): New expand.
2410         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2412 2005-02-16  Stan Shebs  <shebs@apple.com>
2414         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2415         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2417 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2419         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2420         configure settings on Solaris 7 and later.
2422 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2424         PR tree-optimization/19865
2425         * tree-optimize.c (init_tree_optimization_passes): Run
2426         pass_may_alias after pass_sra.
2428 2005-02-16  Richard Henderson  <rth@redhat.com>
2429             Stuart Hastings  <stuart@apple.com>
2431         PR debug/19521
2432         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2433         Do nothing if debug info suppressed for this function.
2434         (dbxout_begin_function): Early exit if debug info suppressed for
2435         this function.
2437 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2439         PR target/20007
2440         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2441         find_basic_blocks.
2442         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2444         PR tree-optimization/19967
2445         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2446         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2447         argument TYPE.  Adjust calls to fold_builtin_XXX.
2448         (expand_builtin, fold_builtin_1): Adjust calls to
2449         expand_builtin_XXX.
2450         (fold_builtin_strchr, fold_builtin_strpbrk,
2451         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2452         result to a requested type TYPE.
2454 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2456         PR middle-end/19857
2457         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2458         (T)x & (T)cst if (T)cst overflows.
2459         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2460         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2462 2005-02-15  Jeff Law  <law@redhat.com>
2464         * gcse.c (blocks_with_calls): New bitmap.
2465         (alloc_gcse_mem): Allocate it.
2466         (free_gcse_mem): Free it.
2467         (clear_modifY_mem_tables): Clear it.
2468         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2469         when we encounter CALL_INSNs.
2470         (compute_transp, case MEM): Handle blocks with calls separate
2471         from blocks without calls.  Use bitmap iterators rather than
2472         FOR_EACH_BB.
2474 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2476         PR bootstrap/18810
2477         * mklibgcc.in (vis_hide): Use a temporary object file, not
2478         -o /dev/null.
2480 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2482         PR target/19924
2483         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2484         access optimization.
2486 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2487             Alan Modra  <amodra@bigpond.net.au>
2489         PR target/19019
2490         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2491         (_xlqsub): Rename to __gcc_qsub.
2492         (_xlqmul): Rename to __gcc_qmul.
2493         (_xlqdiv): Rename to __gcc_qdiv.
2494         Provide versioned symbol aliases with old names.
2495         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2496         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2497         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2498         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2499         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2501 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2503         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2504         Fold ~(A - 1) and ~(A + -1) to -A.
2506 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2508         PR pch/14940
2509         PR target/19300
2510         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2511         config/pa/pa-host.c:pa_gt_pch_use_address.
2513 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2515         * tree-vn.c (get_value_handle): Make sure that given an
2516         is_gimple_min_invariant expression, we always return it.
2518 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2520         * passes.c (rest_of_handle_gcse): Fix a comment.
2522 2005-02-15  Jeff Law  <law@redhat.com>
2524         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2525         bitmap.
2526         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2527         (canon_list_insert, record_last_mem_set_info): Similarly.
2528         (clear_modify_mem_tables): Similarly.
2530 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2532         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2533         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2534         config/mips/mips.md, config/rs6000/aix.h,
2535         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2537 2005-02-15  Richard Henderson  <rth@redhat.com>
2539         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2540         call to be best_edge.
2542 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2544         * basic-block.h: Adjust the prototype for find_basic_blocks.
2545         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2546         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2547         find_basic_blocks.
2549         * flow.c (recompute_reg_usage): Remove all arguments.
2550         * passes.c (rest_of_compilation): Adjust the call to
2551         recompute_reg_usage.
2552         * rtl.h: Adjust the prototype for recompute_reg_usage.
2554 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2556         * tree-dump.c (dump_files): Update to reflect new member
2557         of dump_file_info.
2558         (dump_register): Add new argument.
2559         Set glob name.
2560         (dump_switch_p_1): Check against glob name if doglob was passed.
2561         (dump_switch_p): Check against regular first, then glob if
2562         we didn't have any hits on the dump name.
2563         * tree-optimize.c (register_one_dump_file):
2564         Pass in glob name as well.
2565         * tree-pass.h (struct dump_file_info): Add glob
2566         member.
2568 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2570         PR preprocessor/16323
2571         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2573 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2575         PR target/19019
2576         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2577         (trunctfdf2_internal1): New.
2578         (trunctfdf2_internal2): Renamed from trunctfdf2.
2580 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2582         PR tree-optimization/19853
2583         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2585 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2587         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2588         delete_dead_jumptables and cleanup_cfg.
2590 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2592         * reload.c (find_reloads): Swap address_reloaded flags when
2593         swapping commutative operands.
2595 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2597         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2598         Use standard_iv_increment_position for computing the bsi position
2599         for create_iv.
2600         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2601         the bsi position.
2603 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2605         PR target/17428
2606         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2607         life range of hard registers.
2608         * value-prof.c (insn_prefetch_values_to_profile): Only
2609         scan normal insns.
2611         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2612         profile in libcalls.
2614 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2616         * bitmap.h (bitmap_and_compl_into): Return bool.
2617         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2619 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2621         PR tree-optimization/19944
2622         * fold-const.c (fold): Re-add ABS_EXPR folding.
2624 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2626         PR target/19019
2627         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2628         {TARGET,MASK}_XL_COMPAT.
2629         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2630         MASK_XL_COMPAT.
2631         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2632         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2633         TARGET_XL_COMPAT.
2634         (rs6000_arg_partial_bytes): Same.
2635         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2636         and XL compatibility enabled.
2637         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2638         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2639         test to final condition.
2640         (cmptf_internal2): New.
2641         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2642         xl-compat.  Add TFmode information to description.
2644 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2646         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2648 2005-02-13  Jason Merrill  <jason@redhat.com>
2650         PR c++/16405
2651         * fold-const.c (fold_indirect_ref_1): Split out from...
2652         (build_fold_indirect_ref): Here.
2653         (fold_indirect_ref): New fn.
2654         * tree.h: Declare it.
2655         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2656         (gimplify_modify_expr_rhs): Likewise.
2657         (gimplify_expr): Likewise.
2659 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2661         PR tree-optimization/14303
2662         PR tree-optimization/15784
2663         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2664         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2665         ABS_EXPR<x> != 0 to x != 0.
2667 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2669         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2670         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2671         spelling conventions.
2673         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2674         delete_trivially_dead_insns too many times.
2676         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2677         tem and tem2.
2679 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2681         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2682         (vect_is_simple_iv_evolution): Remove redundant parameter
2683         and step check.
2684         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2685         without last parameter.
2686         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2687         Return pointer step. Call vect_is_simple_iv_evolution without
2688         last parameter. Check only that the step is multiple of size
2689         type. Remove stmt_vinfo updates.
2690         (vect_get_memtag_and_dr): Remove.
2691         (vect_get_memtag): New function.
2692         (vect_address_analysis): New function.
2693         (vect_object_analysis): New function.
2694         (vect_analyze_data_refs): Call vect_object_analysis and
2695         vect_get_memtag. Update stmt_vinfo fields.
2697 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2699         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2700         exist and are objects. Remove checks for pointer.
2701         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2702         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2703         (vect_create_data_ref_ptr): Likewise.
2704         (vect_base_addr_differ_p): New function.
2705         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2706         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2707         Don't set the DR_BASE_NAME field of data-ref.
2708         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2710 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2712         * optabs.h (enum optab_index): Add new OTI_ldexp.
2713         (ldexp_optab): Define corresponding macro.
2714         * optabs.c (init_optabs): Initialize ldexp_optab.
2715         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2716         patterns.
2717         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2718         using ldexp_optab.
2719         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2720         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2722         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2723         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2724         intrinsics.
2726 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2728         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2729         to base_address.
2730         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2731         stmt_vec_info.
2732         (vect_get_base_and_offset): Always return an address.
2733         (vect_create_addr_base_for_vector_ref): Remove treatment for
2734         different data reference types.
2735         (vect_compute_data_ref_alignment): Rename base to base_address in
2736         stmt_vec_info. Get the object in order to force its alignment.
2737         (vect_get_memtag_and_dr): Rename base to base_address in
2738         stmt_vec_info. Extract the object for memtag analysis.
2740 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2742         PR regression/19898.
2743         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2744         changes cc_status, use apply modified_in_p to part of cc_status
2745         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2746         body.
2748 2005-02-11  Richard Henderson  <rth@redhat.com>
2750         * tree-complex.c (expand_complex_libcall): New.
2751         (expand_complex_multiplication): Use it for c99 compliance.
2752         (expand_complex_division): Likewise.
2753         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2754         (fold): Call them.
2755         * builtins.c (built_in_names): Remove const.
2756         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2757         builtins.
2758         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2759         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2760         (built_in_names): Remove const.
2761         * c-common.c (c_common_type_for_mode): Handle complex modes.
2762         * flags.h, toplev.c (flag_complex_method): Rename from
2763         flag_complex_divide_method.
2764         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2765         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2766         * libgcc2.h: Declare them.
2767         * libgcc-std.ver: Export them.
2768         * mklibgcc.in (lib2funcs): Build them.
2770 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2772         PR tree-optimization/19876
2773         Partially revert my change from 2005-01-14
2774         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2775         (compute_antic): ...and remove the loop here.
2777 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2779         PR middle-end/19858
2780         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2781         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2783         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2784         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2786 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2788         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2789         offsets for the big-endian 32-bit case.
2791 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2793         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2795 2005-02-11  Dale Johannesen  <dalej@apple.com>
2797         * cselib.c (cselib_process_insn):  Clear out regs where
2798         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2799         * reload.c (find_equiv_reg): Ditto.
2801 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2803         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2804         with no elements.
2806         * tree.c (build_function_type_list): Work correctly if there are
2807         no arguments.
2809 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2811         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2812         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2813         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2814         TARGET_ZARCH instead of TARGET_64BIT.
2816 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2818         * config/rs6000/t-rtems:
2819         (MULTILIB_OPTIONS): Remove mcpu=602.
2820         (MUTLILIB_DIRNAMES): Remove m602.
2821         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2822         Let mcpu=602 match mcpu=603.
2823         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2825 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2827         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2828         signal trampolines.
2830 2005-02-10  David Daney  <ddaney@avtrex.com>
2832         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2833         * config/i386/linux-unwind.h: Likewise.
2834         * config/ia64/linux-unwind.h: Likewise.
2835         * config/mips/linux-unwind.h: Likewise.
2836         * config/pa/linux-unwind.h: Likewise.
2837         * config/rs6000/linux-unwind.h: Likewise.
2838         * config/s390/linux-unwind.h: Likewise.
2839         * config/sh/linux-unwind.h: Likewise.
2840         * config/sparc/linux-unwind.h: Likewise.
2842 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2844         PR tree-optimization/17549
2845         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2846         TER to replace a DEF with its expression if the DEF and the
2847         rhs of the expression we replace into have the same root
2848         variable.
2850 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2852         * config/mips/mips.md: Fix the placement of the match_scratch in the
2853         lea64 peephole2.
2855 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2857         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2858         Fix comment typos.
2860 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2862         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2863         (strip_offset): Handle addresses.
2864         (add_address_candidates): Use strip_offset.
2865         (difference_cost): Reflect strip_offset change.
2866         (force_var_cost, difference_cost): Strip nops.
2868 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2870         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2872         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2873         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2874         config/cris/cris-protos.h, config/cris/cris.c: Update
2875         copyright.
2877 2005-02-10  Jeff Law  <law@redhat.com>
2879         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2880         (lookup_avail_expr): Similarly.
2882 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2884         * builtins.c (fold_builtin_powi): New function.
2885         (fold_builtin_1): Call it.
2887 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2889         PR documentation/19309
2890         * doc/cpp.texi: The __GNUC__ and related predefined macros
2891         are also defined for the "standalone" cpp.
2892         Some non-GCC compilers may also define __GNUC__.
2894 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2896         PR c/19342
2897         * c-typeck.c (common_type): New routine.  Old common_type renamed
2898         to...
2899         (c_common_type): ...this.
2900         (build_conditional_expr, build_binary_op): Use c_common_type instead
2901         of common_type.
2903 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2905         * doc/md.texi: Replace @samp{length} with @code{length}.
2907 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2909         PR tree-optimization/18687
2910         * tree-flow.h (find_loop_niter): Declare.
2911         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2912         Try using scev even for loops with more than one exit.
2913         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2914         (struct ivopts_data): Added niters field.
2915         (struct nfe_cache_elt): New.
2916         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2917         functions.
2918         (tree_ssa_iv_optimize_init): Initialize niters cache.
2919         (determine_number_of_iterations): Removed.
2920         (find_induction_variables): Do not call determine_number_of_iterations.
2921         Access niters for single exit through niter_for_single_dom_exit.
2922         (add_iv_outer_candidates): Access niters for single exit through
2923         niter_for_single_dom_exit.
2924         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2925         number_of_iterations_cond.
2926         (iv_period): New function.
2927         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2928         (may_replace_final_value): Take data argument.  Use
2929         niter_for_single_dom_exit.
2930         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2931         (rewrite_use_compare): Pass data to may_eliminate_iv.
2932         (rewrite_use_outer): Pass data to may_replace_final_value.
2933         (free_loop_data): Clean up the niters cache.
2934         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2935         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2936         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2937         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2938         (num_ending_zeros): Moved to tree.c.
2939         * tree.h (num_ending_zeros): Declare.
2940         * tree.c (num_ending_zeros): Moved from tree.c.
2942 2005-02-09  Richard Henderson  <rth@redhat.com>
2944         * builtins.c (DEF_BUILTIN): Add COND argument.
2945         * tree.h (DEF_BUILTIN): Likewise.
2946         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2947         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2948         match.
2949         (DEF_BUILTIN_STUB): New.
2950         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2951         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2952         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2953         * c-common.c (DEF_BUILTIN): Add COND argument.
2954         * tree.c (local_define_builtin): New.
2955         (build_common_builtin_nodes): New.
2957 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2959         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2960         floating point expression ignoring the sign of the result.
2961         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2962         (fold) <MULT_EXPR>: Use it to simplify x*x.
2963         * tree.h (fold_strip_sign_ops): Prototype here.
2964         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2965         argument.  Use fold_strip_sign_ops to simplify the first argument.
2966         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2967         first argument when the second argument is an even integer
2968         constant, but only with -funsafe_math_optimizations.
2969         (fold_builtin_1): Update call to fold_builtin_copysign.
2971 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2973         PR middle-end/19583
2974         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2975         just check whether EH_FILTER_FAILURE falls through.
2977 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2979         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2980         insns return to ready list in the next turn.
2982 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2984         PR middle-end/19402
2985         * builtins.def: New __builtin_powi[lf].
2986         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2987         (expand_builtin_powi): New function.
2988         (expand_builtin): Dispatch to expand_builtin_powi.
2989         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2990         * libgcc2.c: Add __builtin_powi[lf] implementation.
2991         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2992         * optabs.h: Add powi_optab.
2993         * optabs.c (init_optabs): Initialize powi_optab.
2994         * doc/extend.texi: Document __builtin_powi[lf].
2996 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2998         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2999         exists.
3001 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3003         PR middle-end/19854
3004         * fold-const.c (try_move_mult_to_index): Remove redundant
3005         type argument.  Create ADDR_EXPR with correct type.
3006         (fold): Update callers of try_move_mult_to_index.  Convert
3007         result to the appropriate type.
3009 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3011         PR target/19597
3012         * config/avr/avr.c (default_rtx_costs): Delete.
3013         (avr_operand_rtx_cost): New function.
3014         (avr_rtx_costs): Completely rewrite.
3016 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3018         PR target/19806
3019         * config/cris/cris.c (in_code): New variable.
3020         (cris_output_addr_const): Now a static function, a wrapper for
3021         output_addr_const.
3022         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3023         case from old cris_output_addr_const.
3024         (cris_asm_output_label_ref): Similar for LABEL_REF.
3025         (cris_output_addr_const_extra): Similar for UNSPEC.
3026         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3027         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3028         * config/cris/cris-protos.h (cris_output_addr_const): Remove
3029         declaration.
3030         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3031         (cris_asm_output_label_ref): Declare.
3033 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
3035         PR preprocessor/19801
3036         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3037         filenames that changed when libcpp was moved to the toplevel.
3039 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3041         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3042         zero extensions of BImode operands.  Call lowpart_subreg instead
3043         of gen_lowpart_common and gen_lowpart_SUBREG.
3045 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3047         PR ada/19489
3048         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3049         * configure.ac: Set cc_for_cross_gnattools.
3050         * configure: Regenerate.
3052 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3054         PR target/19803
3055         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3057 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3059         PR debug/19327
3060         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3061         of nested functions.
3063 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3065         * doc/extend.texi: Document deprecated extensions allowing
3066         static floating-point members to have initializers and allowing
3067         floating-point literals in integral constant expressions.
3069 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3071         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3072         config/darwin7.h, config/mips/mips.c,
3073         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3074         Update copyright.
3076         * cse.c: Update comments.
3078 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3080         PR middle-end/19775
3081         * builtins.c (fold_builtin_sqrt): Transform
3082         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3083         pow(x,y*0.5).
3085 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3086             Dorit Naishlos  <dorit@il.ibm.com>
3088         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3089         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3090         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3091         was added.
3092         * tree.h (vect_set_verbosity_level): New extern function declaration
3093         added.
3094         * tree-vectorizer.h (verbosity_levels): New enum type.
3095         * tree-vectorizer.c (vect_debug_stats): Function removed.
3096         (vect_debug_details): Likewise.
3097         (vect_verbosity_level): Global variable was defined and initialized.
3098         (vect_dump): Global variable definition.
3099         (vect_print_dump_info): New function.
3100         (vect_set_dump_settings): New function.
3101         (vect_set_verbosity_level): New function.
3102         (vectorize_loops): Add call to vect_set_dump_settings.
3104         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3105         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3106         (slpeel_tree_peel_loop_to_edge): Likewise.
3108         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3109         appropriate verbosity level instead of call to vect_debug_details
3110         or vect_debug_stats.
3111         (vect_get_base_and_offset):
3112         (vect_create_addr_base_for_vector_ref):
3113         (get_vectype_for_scalar_type):
3114         (vect_create_data_ref_ptr):
3115         (vect_init_vector):
3116         (vect_get_vec_def_for_operand):
3117         (vect_finish_stmt_generation):
3118         (vectorizable_assignment):
3119         (vectorizable_operation):
3120         (vectorizable_store):
3121         (vectorizable_load):
3122         (vect_transform_stmt):
3123         (vect_update_ivs_after_vectorizer):
3124         (vect_do_peeling_for_loop_bound):
3125         (vect_update_inits_of_drs):
3126         (vect_do_peeling_for_alignment):
3127         (vect_transform_loop):
3128         (vect_is_simple_use):
3129         (vect_analyze_operations):
3130         (vect_is_simple_iv_evolution):
3131         (vect_analyze_scalar_cycles):
3132         (vect_analyze_data_ref_dependence):
3133         (vect_analyze_data_ref_dependences):
3134         (vect_compute_data_ref_alignment):
3135         (vect_enhance_data_refs_alignment):
3136         (vect_analyze_data_refs_alignment):
3137         (vect_analyze_data_ref_access):
3138         (vect_analyze_data_ref_accesses):
3139         (vect_analyze_pointer_ref_access):
3140         (vect_get_memtag_and_dr):
3141         (vect_analyze_data_refs):
3142         (vect_mark_relevant):
3143         (vect_stmt_relevant_p):
3144         (vect_mark_stmts_to_be_vectorized):
3145         (vect_can_advance_ivs_p):
3146         (vect_get_loop_niters):
3147         (vect_analyze_loop_form):
3148         (vect_analyze_loop):
3149         (vectorize_loops): Likewise.
3151         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3152         (vect_update_inits_of_drs):
3153         (vect_do_peeling_for_alignment):
3154         (vect_transform_loop):
3155         (vect_analyze_operations):
3156         (vect_analyze_scalar_cycles):
3157         (vect_analyze_data_ref_dependences):
3158         (vect_analyze_data_refs_alignment):
3159         (vect_analyze_data_ref_accesses):
3160         (vect_analyze_data_refs):
3161         (vect_mark_stmts_to_be_vectorized):
3162         (vect_get_loop_niters):
3163         (vect_analyze_loop_form):
3164         (vect_analyze_loop): Likewise.
3165         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3167 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3169         PR bootstrap/19796
3170         Revert:
3171         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3172         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3173         either -ffast-math or -funsafe-math-optimizations is in use.
3175         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3176         * config/mips/irix-csr.c: New file.
3177         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3178         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3179         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3180         executables.
3182 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3184         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3185         redundant, incorrect definitions.
3187         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3188         expand.
3189         ("*tls_indirect_call"): New, reference hard regs directly.
3190         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3192 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3194         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3195         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3197 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3199         PR rtl-optimization/19800
3200         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3201         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3202         gen_lowpart.
3204 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3206         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3208 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3210         PR other/17135
3211         * doc/invoke.texi: Correct documentation of -freorder-functions.
3213 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3215         PR other/14402
3216         * doc/invoke.texi: Don't mention gccbug.
3218 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3219             Andrew Pinski  <pinskia@physics.uc.edu>
3220             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3222         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3223         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3224         into just (zero_extract:SI FOO (const_int 1) BAR).
3226 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3228         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3229         macro locally.  Don't give last revision date.  Use GCC version
3230         number from gcc-common.texi.
3231         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3232         revision date.  Use GCC version number from gcc-common.texi.
3233         Describe being a library as current state rather than as 3.x
3234         history.
3235         * doc/gcc.texi: Remove last update date.
3236         * doc/gccint.texi: Likewise.  Update copyright dates.
3237         * doc/install.texi: Update copyright dates.
3239 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3241         PR other/7549
3242         * doc/invoke.texi: Mention for each option included in -Wall that
3243         it is included in -Wall.
3244         * doc/gcc.texi: Update copyright and last modification date.
3246 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3248         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3249         unnecessary cast to original induction variable increments.
3251 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3253         PR tree-optimization/18219
3254         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3255         in distributed form.
3257 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3259         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3260         Set bitpos and offset later in the function.  Do nothing if the
3261         target is a register and if the bitfield lies completely outside
3262         that register.
3263         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3264         here.  Return an uninitialised register if the source value is stored
3265         in a register and the bitfield lies completely outside that register.
3267 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3269         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3270         not SET_DEST.
3272 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3274         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3276 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3278         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3279         * config/darwin8.h: New.
3280         * config/darwin7.h: Update comment.
3282 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3283             Dorit Naishlos  <dorit@il.ibm.com>
3285         * tree-vectorizer.h (LOC): New type.
3286         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3287         (loop_line_number): New field in struct _loop_vec_info.
3288         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3290         * tree-vectorizer.c (input.h): Included.
3291         (find_loop_location): New function.
3292         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3293         loop line number removed.
3294         (vect_debug_details): Likewise.
3295         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3297         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3298         call to vect_debug_details/stats changed from loop to loop_loc.
3299         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3300         (slpeel_tree_peel_loop_to_edge): Likewise.
3302         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3303         changed from NULL to UNKNOWN_LOC.
3304         (vect_get_base_and_offset):
3305         (vect_create_addr_base_for_vector_ref):
3306         (get_vectype_for_scalar_type):
3307         (vect_create_data_ref_ptr):
3308         (vect_init_vector):
3309         (vect_get_vec_def_for_operand):
3310         (vect_finish_stmt_generation):
3311         (vectorizable_assignment):
3312         (vectorizable_operation):
3313         (vectorizable_store):
3314         (vectorizable_load):
3315         (vect_transform_stmt):
3316         (vect_update_ivs_after_vectorizer):
3317         (vect_do_peeling_for_loop_bound):
3318         (vect_do_peeling_for_alignment):
3319         (vect_transform_loop):
3320         (vect_is_simple_use):
3321         (vect_analyze_operations):
3322         (vect_is_simple_iv_evolution):
3323         (vect_analyze_scalar_cycles):
3324         (vect_analyze_data_ref_dependences):
3325         (vect_compute_data_ref_alignment):
3326         (vect_enhance_data_refs_alignment):
3327         (vect_analyze_data_ref_access):
3328         (vect_analyze_data_ref_accesses):
3329         (vect_analyze_pointer_ref_access):
3330         (vect_get_memtag_and_dr):
3331         (vect_analyze_data_refs):
3332         (vect_mark_relevant):
3333         (vect_stmt_relevant_p):
3334         (vect_mark_stmts_to_be_vectorized):
3335         (vect_can_advance_ivs_p):
3336         (vect_get_loop_niters):
3337         (vect_analyze_loop):
3338         (vectorize_loops): Likewise.
3340         (vectorizable_load): Argument in call to vect_debug_details/stats
3341         changed from loop to LOOP_LOC (loop_vinfo).
3342         (vect_transform_loop):
3343         (vect_analyze_operations):
3344         (vect_analyze_scalar_cycles):
3345         (vect_analyze_data_ref_dependence):
3346         (vect_enhance_data_refs_alignment):
3347         (vect_analyze_data_ref_accesses):
3348         (vect_analyze_pointer_ref_access):
3349         (vect_analyze_data_refs):
3350         (vect_analyze_loop): Likewise.
3352         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3353         changed from loop to loop_loc.
3355         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3357 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3358             Dorit Naishlos  <dorit@il.ibm.com>
3360         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3361         declaration added.
3362         (vect_analyze_data_ref_dependences): Likewise.
3364         (vect_is_simple_use): Argument changed from loop structure to
3365         loop_vect_info structure.
3366         (vect_can_advance_ivs_p): Likewise.
3367         (vect_create_index_for_vector_ref): Likewise.
3368         (vect_update_ivs_after_vectorizer): Likewise.
3369         (new_stmt_vec_info): Likewise.
3371         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3372         changed from loop to loop_vinfo.
3373         (vect_create_data_ref_ptr): First argument in call to
3374         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3375         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3376         was changed from loop to loop_vinfo.
3377         (vectorizable_operation): Likewise.
3378         (vectorizable_store): Likewise.
3379         (vect_mark_stmts_to_be_vectorized): Likewise.
3380         (vect_do_peeling_for_loop_bound): First argument in call to
3381         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3382         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3383         was changed from loop to loop_vinfo.
3384         (vect_analyze_data_ref_dependences): Third argument in call to
3385         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3387         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3388         (vect_create_data_ref_ptr): Likewise.
3389         (vect_init_vector): Likewise.
3390         (vect_get_vec_def_for_operand): Likewise.
3391         (vectorizable_assignment): Likewise.
3392         (vectorizable_operation): Likewise.
3393         (vectorizable_store): Likewise.
3394         (vectorizable_load): Likewise.
3395         (vect_update_ivs_after_vectorizer): Likewise.
3396         (vect_is_simple_use): Likewise.
3397         (vect_analyze_data_ref_dependence): Likewise.
3398         (vect_analyze_pointer_ref_access): Likewise.
3399         (vect_can_advance_ivs_p): Likewise.
3401         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3402         before _stmt_vec_info.
3403         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3404         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3405         (new_stmt_vec_info): Argument changed from loop structure to
3406         loop_vect_info structure
3408         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3409         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3410         (vect_create_addr_base_for_vector_ref): Likewise.
3411         (vect_analyze_pointer_ref_access): Likewise.
3413 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3415         PR tree-opt/19768
3416         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3417         phi flag if the phi is abnormal.
3419 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3421         PR tree-opt/19736
3422         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3423         information for the new statement.
3425 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3427         PR driver/19117
3428         * gcc.c (main): Include the target in -v output.
3430 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3432         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3433         Do not drop the extend if we'd have to add a paradoxical subreg
3434         later.  Include optabs.h and insn-codes.h.
3435         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3437 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3439         PR middle-end/19405
3440         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3441         * fold-const.c (const_binop): Avoid constant folding floating
3442         point operations in modes that use composite representations.
3443         * simplify-rtx.c (simplify_binary_operation): Likewise.
3445 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3447         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3448         a REG, not a MEM.
3449         (altivec_dstt): Likewise.
3450         (altivec_dstst): Likewise.
3451         (altivec_dststt): Likewise.
3452         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3453         of first operand.
3455 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3457         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3458         EXPR_LOCUS from orig_cond to the new cond_stmt.
3459         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3460         the new vec_stmt.
3462 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3464         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3465         standard_iv_increment_position. Remove call to bsi_next
3466         (no need to bump the iterator anymore).
3467         (vect_create_index_for_vector_ref): Call
3468         standard_iv_increment_position. Remove second function argument.
3469         (vect_finish_stmt_generation): Remove call to bsi_next
3470         (no need to bump the iterator anymore).
3471         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3472         to vect_create_index_for_vector_ref.
3474 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3476         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3477         phis are used out of the loop.
3479 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3481         PR c/17807
3482         * c-decl.c (undef_nested_function): New variable.
3483         (pop_scope): Diagnose undefined nested functions.
3484         (finish_function): Don't attempt cgraph processing or genericizing
3485         if current top-level function contained an undefined nested
3486         function.  Reset undef_nested_function at the end of a top-level
3487         function.
3489 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3491         * tree.c (build_int_cst_type): Take sign of the value into account
3492         when deciding whether sign extend the value.
3494 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3496         PR c/18502
3497         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3498         (cpp_options, cc1_options): Change %{std*&ansi} to
3499         %{std*&ansi&trigraphs}.
3501 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3503         * cse.c: Update comments.
3505 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3507         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3508         arguments go on the stack.  Do not put complex doubles in odd/even
3509         pairs.
3511 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3513         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3514         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3515         -ftree-pre, and -fthread-jumps.
3517 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3519         PR tree-optimization/19578
3520         * tree-flow.h (modified_noreturn_calls): Declare.
3521         (noreturn_call_p): Declare.
3522         * tree-flow-inline.h (noreturn_call_p): New function.
3523         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3524         * tree-cfg.c (modified_noreturn_calls): New variable.
3525         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3526         that contain a mid-block noreturn call.
3527         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3529 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3531         * df.c (df_def_record_1, df_uses_record): Don't use
3532         DF_FOR_REGALLOC.
3533         * df.h (DF_FOR_REGALLOC): Remove.
3535 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3537         PR c/19435
3538         * c-typeck.c (really_start_incremental_init): Reset
3539         constructor_max_index for arrays of incomplete type.
3541 2005-02-02  Jeff Law  <law@redhat.com>
3543         * gcse.c (struct reg_set): Store the block index where the register
3544         was set rather than the setting insn.
3545         (record_one_set, compute_transp): Corresponding changes.
3546         (pre_insert_copy_insn): Do not call replace_one_set.
3547         (replace_one_set): Remove.
3549 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3551         PR other/15514
3552         * doc/gcov.texi: Fix typo.
3554 2005-02-01  Richard Henderson  <rth@redhat.com
3556         PR target/19680
3557         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3558         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3559         type to bool.
3560         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3561         * config/i386/i386-protos.h: Update.
3563 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3565         PR tree-optimization/19217
3566         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3567         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3568         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3569         that it is walking a PHI node.
3571 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3573         * doc/extend.texi (Nested Functions): Update.
3575 2005-02-01  Richard Henderson  <rth@redhat.com>
3577         PR 19696
3578         * optabs.c (expand_copysign_absneg): Export.
3579         * optabs.h (expand_copysign_absneg): Declare.
3580         * config/rs6000/rs6000.md (copysigntf3): New.
3582 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3584         PR tree-optimization/19633
3585         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3586         * tree-ssa-alias.c (init_alias_info): Initialize.
3587         (merge_pointed_to_info): Set.
3588         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3589         (dump_points_to_info_for): Show value of pt_null.
3590         (struct count_ptr_d): Declare.
3591         (find_ptr_dereference): Remove.
3592         (ptr_is_dereferenced_by): Remove.
3593         (count_ptr_derefs): New local function.
3594         (count_uses_and_derefs): New local function.
3595         (compute_points_to_and_addr_escape): Call it.  If the number
3596         of dereferences is greater than zero, mark the pointer as
3597         dereferenced.  If there are fewer dereferences than uses of
3598         the pointer, the pointer's value escapes.
3600 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3602         PR tree-optimization/19670
3603         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3604         here...
3605         (verify_use): ... set it here, instead.
3607 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3609         * doc/sourcebuild.texi (Test directives): Fix formatting.
3611         * doc/sourcebuild.texi (Test directives): Describe selector
3612         expressions.
3614 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3616         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3617         specific 64-bit CPUs.
3619 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3621         PR target/16201
3622         * arm.c (arm_eliminable_register): New function.
3623         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3624         HOST_WIDE_INT for address offsets.
3625         * arm-protos.h (arm_eliminable_register): Add prototype.
3627 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3629         PR optimization/15242
3630         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3631         * basic-block.h (duplicate_computed_gotos): Add prototype.
3632         * bb-reorder.c (duplicate_computed_gotos): New function to
3633         duplicate sufficiently small blocks ending in a computed jump.
3634         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3635         if not optimizing for size.
3636         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3637         never do tail merging for blocks ending in a computed jump.
3638         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3640 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3642         Patch from Richard Sandiford <rsandifo@redhat.com>
3643         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3644         from inheriting a subreg equivalence with a non-spill register.
3646         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3648 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3650         * config/frv/frv.c (movcc_fp_destination_operand): New.
3651         (gpr_or_memory_operand): Fix typo in comment.
3652         (gpr_or_memory_operand_with_scratch): New.
3653         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3654         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3655         movcc_fp_destination_operand.
3656         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3657         Legitimize memory addresses using a scratch register.
3659 2005-01-31  Jeff Law  <law@redhat.com>
3661         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3662         bitmap a sparse bitmap instead of a simple bitmap.
3663         (mark_def_sites_initialize_block):  Corresponding changes.
3664         (ssa_mark_def_sites_initialize_block): Likewise.
3665         (ssa_mark_phi_uses): Likewise.
3666         (mark_def_site, ssa_mark_def_sites): Likewise.
3667         (mark_def_site_blocks): Likewise.
3668         (rewrite_ssa_into_ssa): Likewise.
3670         * tree-ssa-dom.c (record_cond): Pass correct variable type
3671         for last argument to htab_find_slot_with_hash.
3673         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3674         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3676 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3678         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3679         1_mmalua.
3681 2005-02-01  Eric Christopher  <echristo@redhat.com>
3683         * config/mips/mips.c (override_options): Warn if -mint64
3684         is used.
3685         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3686         deprecated.
3688 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3690         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3691         timestamp.
3692         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3693         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3694         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3695         (cached_regno): Initialize to INVALID_REGNUM.
3696         (cse_reg_info_table_size,
3697         cse_reg_info_table_first_uninitialized,
3698         cse_reg_info_timestamp): New.
3699         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3700         get_cse_reg_info.
3701         (init_cse_reg_info, get_cse_reg_info_1): New.
3702         (get_cse_reg_info): Cache the last look-up.
3703         (new_basic_block): Update the code to clear mappings from
3704         registers to cse_reg_info entries.
3705         (cse_main): Call init_cse_reg_info.
3707         * cse.c (get_cse_reg_info): Update a comment.
3709 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3711         PR c/19333
3712         * c-decl.c (start_decl): Do not warn about arrays of elements with
3713         an incomplete type here.
3714         (grokdeclarator): Do it here by making a pedwarn an error.
3715         * c-typeck.c (push_init_level): If there were previous errors with
3716         the constructor type, do not warn about braces for initializers.
3717         (process_init_element): Likewise for excess initializer elements.
3719 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3721         * cse.c (delete_trivially_dead_insn): Don't iterate.
3723 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3725         * config/rs6000/rs6000.md (copysignsf3): New expand.
3726         (copysigndf3): Likewise.
3728 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3730         * recog.c (constrain_operands): Only look for earlyclobber operand
3731         conflicts if an '&' constraint was seen.
3733 2005-01-31  Marc Espie <espie@openbsd.org>
3735         * config.gcc: Don't include embedded systems fragment, switches default
3736         debugging format to ELF.
3737         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3738         longer pick it up there.
3740 2005-01-31  Dale Johannesen  <dalej@apple.com>
3742         * doc/extend.texi (nested functions): Fix linkage description.
3743         Clarify that static is not allowed.
3745 2005-01-31  Dale Johannesen  <dalej@apple.com>
3747         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3748         (movdf_low_di):  Make work.
3750 2005-01-31  Dale Johannesen  <dalej@apple.com>
3752         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3753         Make work for 64 bit.
3755 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3756             Dale Johannesen  <dalej@apple.com>
3758         PR middle-end/19650
3759         * fold-const.c (fold_binary_op_with_conditional_arg):
3760         Make types match original operands, before STRIP_NOPS.
3762 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3764         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3765         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3766         (struct gcc_sigcontext): Delete.  Merge contents to..
3767         (struct gcc_ucontext): ..here.
3768         (get_sigcontext): Delete.
3769         (get_regs): New function, like get_sigcontext but return regs ptr.
3770         64-bit version finds regs from r1 to support vdso.
3771         (ppc_linux_aux_vector): New function.
3772         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3773         and vector regs.
3775 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3777         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3778         sizetype.
3779         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3780         redundant fold. Fix misalignment for MINUS_EXPR.
3781         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3782         (vect_analyze_pointer_ref_access): Likewise.
3783         (vect_get_memtag_and_dr): Likewise.
3785 2005-01-31  Richard Henderson  <rth@redhat.com>
3787         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3788         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3789         absnegdf2_i387, absnegxf2_i387): Likewise.
3791 2005-01-31  Richard Henderson  <rth@redhat.com>
3793         PR 19696
3794         * optabs.c (expand_copysign_absneg): New.
3795         (expand_copysign_bit): Split out from ...
3796         (expand_copysign): ... here.  Use expand_copysign_absneg.
3798 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3800         PR middle-end/19697
3801         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3802         constant as the second operand and a register as the third.
3804 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3806         PR target/19704
3807         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3808         that dllimport'd functions do not use all call-clobbered registers
3809         to pass parameters.
3811 2005-01-30  Richard Henderson  <rth@redhat.com>
3813         PR 19696
3814         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3815         expand_abs_nojump and generalize.  Use operand_subword and
3816         emit_no_conflict_block.  Support large modes.
3817         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3818         back to maximum.
3819         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3820         negation to subtraction.
3821         (expand_copysign): Check that the format has signed zeros.
3822         Use operand_subword and emit_no_conflict_block.  Support large modes.
3824 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3826         Fix PR tree-optimization/19624
3828         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3829         * tree-ssa-pre.c: Add cfgloop.h.
3830         Update comment.
3831         (pre_stats): New member, constified.
3832         (inserted_exprs): New static variable.
3833         (NECESSARY): New macro.
3834         (create_expression_by_pieces): Fold the expression, and
3835         mark it as defaulting to not necessary. Also put in
3836         inserted_exprs.
3837         (fully_constant_expression): New function.
3838         (insert_into_preds_of_block): Modify to not insert phis when we
3839         are playing with induction variables.
3840         Push phis onto the inserted_exprs vector, and mark them as not
3841         necessary by default.
3842         (insert_aux): Call fully_constant_expression on eprime.
3843         If all edges produce the same value, mark it constant.
3844         (mark_operand_necessary): New function.
3845         (remove_dead_inserted_code): New function.
3846         (init_pre): Init loop optimizer to get loop info.
3847         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3848         (execute_pre): Commit edge inserts, then remove dead code.
3850 2005-01-30  Richard Henderson  <rth@redhat.com>
3852         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3853         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3855 2005-01-30  Richard Henderson  <rth@redhat.com>
3857         PR target/19700
3858         * config/i386/i386.c (ix86_expand_copysign): New.
3859         (ix86_split_copysign_const): New.
3860         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3861         rearrange op1/nmask operands.
3862         * config/i386/i386-protos.h: Update.
3863         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3864         (copysigndf3): Likewise.
3865         (copysignsf3_const, copysigndf3_const): New.
3866         (copysignsf3_var): Rename from copysignsf3, split out splitter
3867         and fix split predicate for X constraint.
3868         (copysigndf3_var): Similarly.
3870 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3872         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3873         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3874         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3876 2005-01-29  Richard Henderson  <rth@redhat.com>
3878         PR target/19690
3879         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3880         of # and * in constraints.
3882 2005-01-29  Richard Henderson  <rth@redhat.com>
3884         PR middle-end/19689
3885         * expr.c (store_field): Don't strip sub-mode cast when the input
3886         data is even smaller.
3888 2005-01-29  Richard Henderson  <rth@redhat.com>
3890         PR middle-end/19687
3891         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3892         union being empty.
3894 2005-01-29  Richard Henderson  <rth@redhat.com>
3896         * combine.c (make_field_assignment): Fix argument order
3897         to gen_int_mode.
3899 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3901         PR tree-optimization/15791
3902         * fold-const.c (extract_array_ref): New function.
3903         (fold): Fold comparisons between &a[i] and &a[j] or
3904         semantically equivalent trees.
3906 2005-01-29  Jeff Law  <law@redhat.com>
3908         * gcse.c (insert_expr_in_table): Revamp handling of available
3909         and anticipatable occurrence lists to avoid unnecessary list
3910         walking.
3911         (insert_set_in_table): Similarly.
3913 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3915         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3916         build string type.
3917         (c_build_qualified_type): Build qualified array types with
3918         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3919         * c-decl.c (c_make_fname_decl): Build unqualified array type
3920         before qualified type.
3921         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3922         type is qualified, not just if type itself is.  Don't apply
3923         qualifiers to array type when declarator is processed.  Apply
3924         qualifiers to field type whether or not it is an array type.
3925         Don't handle array types specially for applying qualifiers to
3926         variables.
3927         * c-typeck.c (composite_type): Build unqualified element type and
3928         array type when forming composite of array types.
3929         (common_pointer_type, comptypes, comp_target_types,
3930         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3931         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3932         types.
3933         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3934         (args2) in variables a1 and a2.
3936 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3938         * cse.c (n_elements_made, max_elements_made): Remove.
3939         (insert): Don't touch n_elements_made.
3940         (cse_main): Don't touch n_elements_made or max_elements_made.
3942 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3944         PR target/15384
3945         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3946         configuration part of dp-bit.c to be lost.
3948 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3950         * expmed.c (expand_mult_highpart_optab): When attempting to use
3951         a non-widening multiplication in a wider mode, the operands need
3952         to be converted (zero or sign extended) to that mode.
3954 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3956         PR middle-end/16558
3957         PR middle-end/19583
3958         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3959         through if both operands fall through.
3961 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3963         * cse.c (fold_rtx) <PC>: Don't optimize.
3965 2005-01-28  Jeff Law  <law@redhat.com>
3967         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3968         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3970 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3972         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3973         cse_reg_info_used_list_end): Remove.
3974         (cse_reg_info_list, cse_reg_info_list_free): New.
3975         (get_cse_reg_info): When allocating an instance of
3976         cse_reg_info, add it to the beginning of the cse_reg_info_list
3977         list.  Remove code to maintain cse_reg_info_used_list.
3978         (new_basic_block): Reset the free list to the beginning of
3979         cse_reg_info_list.
3981 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3983         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3984         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3985         (frv_expand_mdpackh_builtin): New function.
3986         (frv_expand_builtin): Use it to expand __MDPACKH.
3987         * doc/extend.texi (__MDPACKH): Update documentation.
3989 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3991         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3992         SSE_FLOAT_MODE_P for use_sse computation.
3994 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3996         PR target/19663
3997         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3999 2005-01-27  Richard Henderson  <rth@redhat.com>
4001         * builtins.c (expand_builtin_copysign): New.
4002         (expand_builtin): Call it.
4003         * genopinit.c (optabs): Add copysign_optab.
4004         * optabs.c (init_optabs): Initialize it.
4005         (expand_copysign): New.
4006         * optabs.h (OTI_copysign, copysign_optab): New.
4007         (expand_copysign): Declare.
4009         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4010         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4012         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4013         (ix86_expand_fp_absneg_operator): ... here.
4014         (ix86_split_copysign): New.
4015         * config/i386/i386-protos.h: Update.
4016         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4017         (copysignsf3, copysigndf3): New.
4019         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4020         (copysignsf3, ncopysignsf3): New.
4021         (copysigndf3, ncopysigndf3): New.
4022         (copysignxf3, ncopysignxf3): New.
4023         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4025 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4026             Kazu Hirata  <kazu@cs.umass.edu>
4028         * cse.c: (find_best_addr): Don't call copy_rtx before calling
4029         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
4030         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4031         NULL_RTX.
4033 2005-01-27  Jeff Law  <law@redhat.com>
4035         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4036         definitions of SSA_NAMEs which are not being rewritten.
4037         (rewrite_ssa_into_ssa): Only initialize the current definition
4038         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4039         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4040         SSA_NAMEs before returning.
4042 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4044         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4045         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4046         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4047         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4048         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4050 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4052         PR middle-end/17278
4053         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4054         higher to -O2 and higher.  Likewise for tree PRE.
4055         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4056         and better.
4058 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4060         PR middle-end/19583
4061         * gimple-low.c (try_catch_may_fallthru): New static function.
4062         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4063         * tree-inline.c (expand_call_inline): Don't warn about reaching
4064         the end of a non-void function being inlined if the function uses
4065         a return slot.
4067 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4069         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4071         PR c/18946
4072         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4073         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4074         (implicitly_declare): Handle error_mark_node.
4076 2005-01-27  Richard Henderson  <rth@redhat.com>
4078         PR tree-opt/14329
4079         * tree.h (struct tree_decl): Add debug_expr_is_from.
4080         (DECL_DEBUG_EXPR_IS_FROM): New.
4081         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4082         * dwarf2out.c (dwarf2out_var_location): Update to match.
4083         * tree-outof-ssa.c (create_temp): Likewise.
4084         * var-tracking.c (track_expr_p): Likewise.
4085         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4086         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4087         * toplev.c (default_tree_printer): Likewise.
4089 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4091         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4092         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4094 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4096         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4097         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4098         ASM_CLOBBERS): Add tree checks.
4100         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4101         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4102         * c-common.def (SWITCH_STMT): Update to match.
4103         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4104         macros instead of SWITCH_EXPR ones.
4105         * c-dump.c (c_dump_tree): Likewise.
4106         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4107         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4109         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4111 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4113         * unwind-dw2.c (execute_stack_op): Add missing cases for
4114         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4116 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4118         * config.gcc (Obsolete configurations): Remove 'dummy', add
4119         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4120         sparc-*-openbsd*.
4122 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4124         PR tree-optimization/19633
4125         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4126         CALL_EXPRs.
4127         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4128         are no call-clobbered variables.
4129         * tree-outof-ssa.c (check_replaceable): Return false for calls
4130         with side-effects.
4132 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4134         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4135         even for variables with NULL DECL_INITIAL.
4137 2005-01-26  Stuart Hastings  <stuart@apple.com>
4139         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4141 2005-01-26  Richard Henderson  <rth@redhat.com>
4143         PR middle-end/18008
4144         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4145         field's type.
4146         * expr.c (store_field): Strip conversions to odd-bit-sized types
4147         if the destination field width matches.
4149 2005-01-26  Richard Henderson  <rth@redhat.com>
4151         * c-decl.c, expmed.c, expr.c: Revert last change.
4153 2005-01-26  Richard Henderson  <rth@redhat.com>
4155         PR middle-end/18008
4156         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4157         field's type.
4158         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4159         if we don't need the bits above those present in the current mode.
4160         * expr.c (store_field): Strip conversions to odd-bit-sized types
4161         if the destination field width matches.
4163 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4165         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4166         either -ffast-math or -funsafe-math-optimizations is in use.
4168 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4170         PR target/19293
4171         PR target/19329
4172         * config/avr/avr.c (notice_update_cc): Only set condition code for
4173         ashrqi3 if shift count > 0.
4174         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4175         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4176         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4177         count <= 0 as a no-op, and shift count >= width by copying zero
4178         or sign bit to all bits of the result.
4179         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4180         count, with attribute "length" set to 0 and "cc" set to "none".
4182 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4184         * doc/invoke.texi: Document -mTLS.
4186         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4187         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4188         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4189         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4190         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4191         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4192         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4193         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4195         * configure.ac: Check for a TLS capable gas.
4197         * configure: Regenerate.
4199 2005-01-26  Richard Henderson  <rth@redhat.com>
4201         PR middle-end/18008
4202         * combine.c (make_field_assignment): Simplify store to zero_extract
4203         from a source with an overlapping mask.
4205 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4207         2004-11-11  Eric Christopher  <echristo@redhat.com>
4209         * config/frv/frv.md: Add fr400_integer automaton. Don't
4210         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4211         to TYPE_MACC.
4213 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4215         PR middle-end/16585
4216         * cfgbuild.c (make_edges): Do not clear or set
4217         current_function_has_computed_jump.
4218         * function.h (struct function): Remove the has_computed_jump field.
4219         (current_function_has_computed_jump): Do not define.
4220         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4221         in a computed jump.  Ignore current_function_has_computed_jump.
4223 2005-01-26  Richard Henderson  <rth@redhat.com>
4225         PR middle-end/19515
4226         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4227         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4228         fully initialized.
4229         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4230         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4231         objects into static storage if they have more than one non-zero value.
4232         * tree.h (categorize_ctor_elements): Update decl.
4234 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4236         PR middle-end/19616
4237         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4238         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4239         to this function from 2004-07-10.
4240         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4241         the current function for tail call optimizations if the address
4242         of one of it its arguments is taken.
4244 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4246         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4248 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4250         * function.c (expand_function_end): If current_function_calls_alloca,
4251         emit stack restore in a place that is reached when the function falls
4252         through at the end.
4254 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4256         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4257         rule to avoid matching inappropriate suffix rule.
4259 2005-01-26  Jan Hubicka  <jh@suse.cz>
4261         PR tree-optimization/19241
4262         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4264 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4266         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4267         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4268         of doubling.
4269         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4270         <sim*>: Always use crt1.o, regardless of N in simN.
4271         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4272         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4273         (CRT_CALL_STATIC_FUNCTION): Remove.
4274         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4275         use crt1.o, regardless of N in simN.
4276         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4277         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4278         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4279         case isystem setting.
4280         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4282 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4284         * gimple-low.c (block_may_fallthru): Correct handling of
4285         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4287 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4289         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4290         handlers to match indentation; nested under the mtune=* handler.
4291         Similar for mcpu= and march=.
4293 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4295         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4296         * config/mips/linux64.h (LIB_SPEC): Likewise.
4297         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4298         * config/sh/linux.h (LIB_SPEC): Likewise.
4300 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4302         * config/frv/frv.c (frv_legitimize_tls_address): New.
4303         (TARGET_HAVE_TLS): Define.
4304         (FRV_SYMBOL_REF_TLS_P): Define.
4305         (frv_override_options): Handle new register classes.
4306         (frv_legitimate_address_p): Reject tls addresses.
4307         (frv_legitimize_address): Handle TLS addresses.
4308         (gen_inlined_tls_plt): New.
4309         (gen_tlsmoff): New.
4310         (frv_legitimize_tls_address): New.
4311         (unspec_got_name): Add TLS entries.
4312         (got12_operand): Add R_FRV_TLSMOFF12 case.
4313         (frv_emit_move): Fixup TLS addresses.
4314         (frv_emit_movsi): Legitimize TLS addresses.
4316         * config/frv/frv.h (MASK_BIG_TLS): New.
4317         (TARGET_BIG_TLS): New.
4318         (HAVE_AS_TLS): Define.
4319         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4320         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4321         (REG_CLASS_NAMES): Same.
4322         (REG_CLASS_CONTENTS): Same.
4323         (CONSTRAINT_LEN): New.
4324         (REG_CLASS_FROM_CONSTRAINT): New.
4325         (PREDICATE_CODES): Add symbolic_operand.
4327         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4328         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4329         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4330         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4331         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4332         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4333         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4334         GR9_REG, GR14_REG, LRREG.
4335         (type): Add load_or_call attribute.
4336         ("load_or_call"): New reservation.
4337         ("call_gettlsoff"): New.
4338         ("tls_indirect_call"): New.
4339         ("tls_load_gottlsoff12"): New.
4340         ("tlsoff_hilo"): New.
4341         ("tls_tlsdesc_ldd"): New.
4342         ("tls_tlsoff_ld"): New.
4343         ("tls_lddi"): New.
4345         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4347         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4349         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4350         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4351         * config/frv/frv.c (TLS_BIAS): Define.
4352         (frv_output_dwarf_dtprel): New.
4354 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4356         PR rtl-optimization/19579
4357         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4358         both A and B, see if they don't clobber registers the other expr uses.
4360 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4362         * real.c (do_add): Initialize signalling and canonical members.
4364         * real.c (real_from_integer): Zero out destination.
4366 2005-01-18  Jan Hubicka  <jh@suse.cz>
4368         PR tree-optimize/19337
4369         * tree-inline.c (initialize_inlined_parameters): Copy
4370         saved_static_chain_decl only.
4372 2005-01-25  Richard Henderson  <rth@redhat.com>
4374         PR target/19556
4375         PR target/19584
4376         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4377         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4378         80387 enabled, to return a proper subclass.  Return the subset that
4379         overlaps with GENERAL_REGS for PLUS.
4380         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4382 2005-01-25  Richard Henderson  <rth@redhat.com>
4384         PR middle-end/19609
4385         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4387 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4389         * expmed.c (choose_multiplier): Change interface to return the
4390         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4391         (expand_divmod): Update calls to choose_multiplier.
4393 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4395         PR middle-end/19330
4396         * expmed.c (extract_bit_field): Use adjust_address instead of
4397         gen_lowpart when op0 is a MEM.
4399 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4401         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4403 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4405         * config/mips/irix-csr.c: New file.
4406         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4407         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4408         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4409         executables.
4411 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4413         PR bootstrap/19364
4414         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4415         sparc/elf.h, add sparc/sp-elf.h.
4416         (sparc-*-rtems*): Likewise.
4417         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4418         tm-dwarf2.h, add sparc/sp-elf.h.
4419         (sparc86x-*-elf): Likewise.
4420         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4421         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4422         TARGET_OS_CPP_BUILTINS.
4423         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4424         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4425         Undefine it.
4426         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4427         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4428         (SWITCH_TAKES_ARG): Likewise.
4429         (LOCAL_LABEL_PREFIX): Likewise.
4430         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4431         (TARGET_N_FORMAT_TYPES): Delete.
4432         (TARGET_FORMAT_TYPES): Likewise.
4433         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4434         * config/sparc/elf.h: Delete.
4435         * config/sparc/sp-elf.h: New file.
4437 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4439         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4440         * tree-flow.h: Remove the corresponding prototype.
4441         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4442         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4444 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4446         PR target/17751
4447         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4448         for AIX ABI or ELF -fPIC.
4449         (rs6000_emit_load_toc_table): Don't create toc_section here.
4450         (rs6000_xcoff_file_start): Nor here.
4452 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4454         * sh.c (ra.h): Don't #include.
4455         (hard_regs_intersect_p): New function, resurrected from ra.c.
4457         * sh.c: Fix 1996 Copyright.
4459 2005-01-24  Richard Henderson  <rth@redhat.com>
4460             Aldy Hernandez  <aldyh@redhat.com>
4462         * regrename.c (note_sets): Handle subregs.
4464 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4466         PR bootstrap/18058
4467         * genconditions.c (write_header, write_conditions): Elide file if
4468         not GCC >= 3.0.1.
4470 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4472         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4473         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4474         Update copyright.
4476 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4478         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4479         expand_builtin_printf, expand_builtin_fprintf,
4480         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4481         checking against POINTER_TYPE.
4482         (validate_arglist): Handle POINTER_TYPE code by checking
4483         POINTER_TYPE_P.
4485 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4487         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4488         init_rtlanal): New.
4489         (for_each_rtx): Call for_each_rtx_1.
4490         * rtl.h (init_rtlanal): Declare.
4491         * toplev.c (backend_init): Call init_rtlanal.
4493 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4495         * flow.c (propagate_one_insn): Formatting.
4497         PR middle-end/19551
4498         * flow.c (libcall_dead_p): Be more conservative if unsure.
4499         If there are any instructions between insn and call, see if they are
4500         all dead before saying the libcall is dead.
4502 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4504         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4505         operand constraint for operand 0.
4507 2005-01-23  Richard Henderson  <rth@redhat.com>
4509         PR 19486
4510         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4511         edges leading to join block.
4513 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4515         * expmed.c (expand_mult_highpart): Make static.  Change type of
4516         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4517         (expand_divmod): Updates calls to expand_mult_highpart by using
4518         gen_int_mode to pass a CONST_INT rtx.
4519         * rtl.h (expand_mult_highpart): Remove prototype.
4521 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4523         * flow.c (regset_bytes, regset_size): Remove.
4525         * cfganal.c: Fix a reference to Harvey's paper.
4527 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4529         PR rtl-optimization/19464
4530         * tree-optimize.c (init_tree_optimization_passes): Add one more
4531         copyrename pass just before out-of-ssa.
4533 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4535         PR bootstrap/18058
4536         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4537         * ggc-none.c (ggc_free): Define.
4539 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4541         * cse.c (max_reg, max_insn_uid): Remove.
4542         (cse_main): Don't access max_reg or max_insn_uid.
4544         * c-common.c (explicit_flag_signed_bitfields,
4545         lang_statement_code_p, lang_expand_function_end): Remove.
4546         * c-common.h: Remove the corresponding declarations.
4547         * c-opts.c (c_common_handle_option): Remove all write access
4548         to explicit_flag_signed_bitfields.
4550         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4551         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4552         * cgraph.h: Remove the corresponding declaration.
4554         * gcse.c (null_pointer_info): Remove.
4556 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4557             Eric Botcazou  <ebotcazou@libertysurf.fr>
4559         * combine.c (simplify_logical): Only simplify logical expressions
4560         of the form ior(and(x,y),z) by the inverse distributive law if the
4561         result is cheaper than the original.
4563 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4565         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4566         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4567         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4568         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4569         config/freebsd-spec.h, config/arm/arm.h,
4570         config/h8300/h8300.md, config/i386/i386.md,
4571         config/i386/predicates.md, config/i386/sse.md,
4572         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4573         config/vax/vax.md: Fix comment typos.  Follow spelling
4574         conventions.
4576 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4578         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4579         tests, instead of `less than'.
4581 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4583         * function.c (assign_parm_setup_block): When creating a new stack slot
4584         for a parameter, get its alignment from the parameter's DECL_ALIGN
4585         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4586         is at least word aligned.
4588 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4590         PR middle-end/19378
4591         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4593 2005-01-22  Richard Henderson  <rth@redhat.com>
4595         PR target/19506
4596         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4597         in both compare operands.
4598         (movdfcc_1_sse_max): Likewise.
4599         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4600         (movdfcc_1_sse): Likewise.
4601         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4602         scratch register as needed.
4604 2005-01-22  Richard Henderson  <rth@redhat.com>
4606         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4608         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4610 2005-01-22  Richard Henderson  <rth@redhat.com>
4612         * genopinit.c (optabs): Use smin/smax for floating point too.
4613         * doc/md.texi: Update to match.  Clarify that floating point
4614         results are undefined for +0/-0 and NaN.
4615         * doc/rtl.texi: Likewise.
4616         * rtl.def (SMIN, SMAX): Likewise
4617         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4619         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4620         leading 's' to the name.
4621         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4622         smaxxf3, sminxf3): Likewise.
4623         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4624         Likewise.
4626 2005-01-22  Paul Brook  <paul@codesourcery.com>
4628         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4630 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4632         * config/s390/s390.c (struct processor_costs): New fields
4633         dlgr, dlr, dr, dsgfr, dsgr.
4634         (z900_cost, z990_cost): Values for new fields.
4635         (s390_rtx_costs): New cases MEM und COMPARE in switch
4636         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4637         DIV, MOD, UDIV, UMOD.
4639 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4641         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4642         into the register being decremented.
4643         ("doloop_si31", "doloop_di"): Likewise.
4644         ("*doloop_si_long"): Adapt pattern.
4646 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4648         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4649         access registers.
4650         (CLASS_MAX_NREGS): Likewise.
4652 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4654         * doc/tree-ssa.texi (Statement Operands): Add example for new
4655         must-def macro. Note deprecation of old operands interface.
4657 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4659         PR tree-optimization/19484
4660         * tree-cfg.c (remove_fallthru_edge): New function.
4661         (cleanup_control_flow): Remove fallthru edges from calls that are
4662         now known not to return.
4664 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4666         Fix PR tree-optimization/19038
4667         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4668         copies with loop variant ones.
4670 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4672         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4673         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4674         config/alpha/alpha.md, config/alpha/predicates.md,
4675         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4676         config/sparc/sol2.h: Update copyright.
4678         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4679         first label to see if it is a nonlocal label.
4681 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4682             Andrew Pinski  <pinskia@physics.uc.edu>
4684         PR target/19491
4685         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4686         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4688 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4690         * config/rs6000/rtems.h: Update copyright.
4692 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4694         PR target/19548
4695         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4696         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4697         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4699 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4701         PR c/18809
4702         * c-typeck.c (convert_arguments): Check for error_mark_node.
4704 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4706         PR tree-optimization/13000
4707         * tree-inline.c: Include "tree-flow.h".
4708         (expand_call_inline): If warn_return_type, warn if non-void inline
4709         function falls through.
4710         * tree-cfg.c (execute_warn_function_return): Don't warn about
4711         control reaching end if TREE_NO_WARNING is set.  Set
4712         TREE_NO_WARNING.
4713         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4714         has been lowered.
4715         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4716         branch if we don't need one.
4717         * c-typeck.c: Include "tree-flow.h"
4718         (c_finish_bc_stmt): Don't add a goto if the current statement
4719         list doesn't fall through to the current point.
4721 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4723         PR rtl-optimization/576
4724         * real.c (real_arithmetic): Change return type from void to bool
4725         to return an indication that the result may be inexact.
4726         * real.h (real_arithmeric): Update prototype.
4727         * fold-const.c (const_binop):  Don't constant fold floating
4728         point expressions when the user specifies -frounding-math and
4729         the result may depend upon the run-time rounding mode.
4730         (fold_convert_const_real_from_real): Clean-up.
4731         (fold_initializer): Ignore flag_rounding_math for initializers.
4732         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4733         constant fold FP operations with flag_rounding_math if the
4734         result may depend upon the run-time rounding mode.
4736 2005-01-21  Tom Tromey  <tromey@redhat.com>
4738         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4740 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4742         * tree-cfg.c: Fix comment typos.
4744 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4746         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4747         around the call to rest_of_handle_branch_target_load_optimize.
4749 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4751         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4752         (sparc64-*-openbsd*): Likewise.
4753         (sparclite-*-elf*): Include tm-dwarf2.h.
4754         (sparc86x-*-elf*): Likewise.
4755         (sparc64-*-elf*): Likewise.
4756         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4757         (DBX_DEBUGGING_INFO): Likewise.
4758         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4759         (PREFERRED_DEBUGGING_TYPE): Likewise.
4760         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4761         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4762         (PREFERRED_DEBUGGING_TYPE): Likewise.
4763         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4764         (PREFERRED_DEBUGGING_TYPE): Likewise.
4765         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4767 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4769         PR target/18701
4770         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4772 2005-01-20  Paul Brook  <paul@codesourcery.com>
4774         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4776 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4778         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4779         label is first in a sequence of labels.
4781         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4783 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4784             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4786         * doc/sourcebuild.texi (Test Directives): New.
4788 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4790         * real.c (real_floor): Don't leave the result uninitialized when
4791         mode is VOIDMode, but return the unrounded intermediate value.
4792         (real_ceil): Likewise.
4794 2005-01-20  Paul Brook  <paul@codesourcery.com>
4796         * config/arm/arm.md (insv): Use gen_int_mode.
4798 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4800         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4801         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4802         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4803         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4804         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4806 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4808         Fix PR debug/19124
4809         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4810         fbreg, so we have to assume we can't.
4811         (loc_descriptor_from_tree_1): Ditto.
4812         (containing_function_has_frame_base): New function.
4813         (add_location_or_const_value_attribute): Use it.
4814         Also try to generate a frame_base from a single element location
4815         list.
4817 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4819         PR tree-optimization/15349
4820         * timevar.def (TV_TREE_MERGE_PHI): New.
4821         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4822         PHI_WANTED.
4823         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4824         calls to tree_forwarder_block_p.
4825         (remove_forwarder_block_with_phi, merge_phi_nodes,
4826         gate_merge_phi, pass_merge_phi): New.
4827         * tree-optimize.c (init_tree_optimization_passes): Add
4828         pass_merge_phi.
4829         * tree-pass.h: Add an extern for pass_merge_phi;
4831 2005-01-20  Richard Henderson  <rth@redhat.com>
4833         PR target/19418
4834         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4835         (_mm_castps_pd, _mm_castps_si128): New.
4836         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4838 2005-01-20  Richard Henderson  <rth@redhat.com>
4840         PR target/19530
4841         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4842         __builtin_ia32_vec_init_v2si.
4843         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4844         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4845         (ix86_init_mmx_sse_builtins): Create it.
4846         (ix86_expand_builtin): Expand it.
4847         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4848         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4849         (vec_extractv2si_0, vec_extractv2si_1): New.
4851 2005-01-20  Richard Henderson  <rth@redhat.com>
4853         PR target/16533
4854         * config/i386/i386.c (ix86_expand_push): New.
4855         * config/i386/mmx.md (push<MMXMODE>1): New.
4856         * config/i386/sse.md (push<SSEMODE>1): New.
4857         * config/i386/i386-protos.h: Update.
4859 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4861         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4862         copyright.
4864 2005-01-20  Richard Henderson  <rth@redhat.com>
4866         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4867         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4869 2005-01-19  Richard Henderson  <rth@redhat.com>
4871         PR target/19350
4872         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4873         to V4SFmode in SSE1 fallback load path.
4875 2005-01-19  Richard Henderson  <rth@redhat.com>
4877         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4878         in QImode expansion to ix86_expand_vector_set.
4879         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4881 2005-01-19  Richard Henderson  <rth@redhat.com>
4883         PR target/19511
4884         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4885         subclass of the input class.
4886         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4887         Always true for cross-SSE1 classes.  Rationalize conditionals.
4888         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4889         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4890         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4891         (movdi_2): Add MMX/SSE zeros.
4892         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4893         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4894         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4895         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4896         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4897         (zero_extendsidi2_rex64_1): Remove.
4898         (MOV0 peephole): Check GENERAL_REG_P.
4900 2005-01-19  Richard Henderson  <rth@redhat.com>
4902         PR target/19427
4903         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4904         shufps elements.
4905         (ix86_expand_vector_extract): Likewise.
4907 2005-01-19  Richard Henderson  <rth@redhat.com>
4909         PR middle-end/19304
4910         * expr.c (emit_move_change_mode): New argument force; use
4911         simplify_gen_subreg if true.
4912         (emit_move_via_alt_mode): Merge into ...
4913         (emit_move_via_integer): ... here.
4914         (emit_move_ccmode): Use emit_move_change_mode directly.
4916 2005-01-19  Richard Henderson  <rth@redhat.com>
4918         PR target/19518
4919         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4920         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4921         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4922         rtl if true.
4923         (alpha_emit_set_const): Likewise.  Make static.
4924         (alpha_emit_set_long_const): Make static.
4925         (alpha_extract_integer): Split out from alpha_expand_mov.
4926         (alpha_split_const_mov): Likewise.
4927         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4928         (alpha_legitimate_constant_p): New.
4929         * config/alpha/alpha-protos.h: Update.
4930         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4931         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4932         * config/alpha/alpha.md (movsi): Add n alternative.
4933         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4934         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4935         (splitters for all of the above): Use alpha_split_const_mov.
4936         * config/alpha/predicates.md (non_add_const_operand): New.
4937         (non_zero_const_operand): New.
4938         (input_operand): Use alpha_legitimate_constant_p after reload.
4940 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4942         PR tree-optimization/19038
4943         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4944         (add_candidate): Add ivs with increment in latch only if
4945         allow_ip_end_pos_p is true.
4946         (determine_iv_cost): Use empty_block_p.
4948 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4950         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4951         (compute_dominance_frontiers): Ditto.
4953 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4955         PR target/19529
4956         * config/sh/t-rtems: New.
4957         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4959 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4961         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4962         the offset of the selected field.
4964 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4966         * tree-cfg.c (remove_forwarder_block): Fix the check to
4967         prevent a nonlocal label from appearing in the middle of a
4968         basic block.
4970 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4972         PR rtl-optimization/19462
4973         * reorg.c (find_end_label): Create return insn only if
4974         current_function_epilogue_delay_list is empty.
4976 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4978         * doc/passes.texi: Remove paragraph mentioning new-ra.
4980 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4982         PR rtl-optimization/15139
4983         * combine.c: Include params.h.
4984         (count_rtxs): New function.
4985         (record_value_for_reg): If replace_rtx would replace at least
4986         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4987         (clobber (const_int 0)) instead of TEM.
4988         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4989         * params.h (MAX_LAST_VALUE_RTL): New.
4990         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4991         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4993         PR c/17297
4994         * c-typeck.c (digest_init): Only call build_vector if all constructor
4995         elements are *_CST nodes.
4996         * gimplify.c (gimplify_init_constructor): Likewise.
4998         PR middle-end/19164
4999         * c-typeck.c (digest_init): Only call build_vector if inside_init
5000         is a CONSTRUCTOR.
5002 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5004         * toplev.c (init_asm_output): Remove dead #ifdef.
5006 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5008         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5010 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5012         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5013         accessing DECL_FUNCTION_CODE.
5014         * dojump.c (do_jump): Likewise.
5015         * gimplify.c (gimplify_call_expr): Likewise.
5016         * predict.c (expr_expected_value): Likewise.
5017         (strip_builtin_expect): Likewise.
5018         * tree-inline.c (estimate_num_insns_1): Likewise.
5019         * tree-ssa-loop-im.c (stmt_cost): Likewise
5020         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5021         (tree_expr_nonnegative_p): Likewise.
5023 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5025         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5026         variant of the load_pcrel_sym pattern.
5027         * config/sparc/sparc.md (P macro): Move to the top.
5028         (load_pcrel_sym): Macroize using P.
5029         (save_register_window): Likewise.
5031 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
5033         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5034         ("sordered"): Same.
5036 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5038         PR C/19472
5039         * c-typeck.c (build_asm_expr): Strip nops off
5040         input memory operands.
5042 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5044         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5045         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5046         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5047         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5049 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5051         PR target/19379
5052         * config/i386/i386.c (override_options): If the 80387 is disabled,
5053         then do not return FP values using FP registers.
5055 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5057         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5058         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5059         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5060         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5061         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5062         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5063         output.h, postreload-gcse.c, postreload.c, recog.c,
5064         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5065         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5066         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5067         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5068         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5069         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5070         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5071         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5073         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5074         config/alpha/alpha.c, config/arm/vfp.md,
5075         config/i386/emmintrin.h, config/i386/i386-modes.def,
5076         config/i386/i386-protos.h, config/i386/i386.h,
5077         config/i386/pmmintrin.h, config/i386/ppro.md,
5078         config/i386/predicates.md, config/i386/xmmintrin.h,
5079         config/i860/i860.c, config/ia64/ia64-modes.def,
5080         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5081         config/ia64/ia64.md, config/ia64/itanium1.md,
5082         config/ia64/itanium2.md, config/ia64/predicates.md,
5083         config/iq2000/iq2000.h, config/mips/linux64.h,
5084         config/rs6000/aix41.h, config/rs6000/aix43.h,
5085         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5086         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5087         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5088         config/sparc/linux64.h, config/sparc/litecoff.h,
5089         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5090         config/sparc/sparc.h, config/sparc/sparc.md,
5091         config/sparc/sysv4-only.h: Update copyright.
5093 2005-01-18  Richard Henderson  <rth@redhat.com>
5095         PR target/19496
5096         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5098 2005-01-18  Marc Espie  <espie@openbsd.org>
5099         * config/i386/openbsdelf.h: Typo.
5101 2005-01-18  Richard Henderson  <rth@redhat.com>
5103         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5104         special case for sse.
5105         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5107 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5109         * tree-inline.c (estimate_num_insns_1): Added cases for
5110         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5112 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5114         PR rtl-optimization/19296
5115         * combine.c (simplify_comparison): Rewrite the condition under
5116         which a non-paradoxical SUBREG of a PLUS can be lifted when
5117         compared against a constant.
5119 2005-01-18  Andi Kleen <ak@muc.de>
5121         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5122         * c.opt (-Wpointer-sign): Add.
5123         * doc/invoke.texi: (-Wpointer-sign): Add.
5125 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5127         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5128         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5129         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5130         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5131         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5132         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5133         for TARGET_MIX_SSE_I387.
5134         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5135         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5136         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5137         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5138         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5139         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5140         TARGET_MIX_SSE_I387.
5141         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5142         from expander.
5144 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5146         PR target/19424
5147         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5148         Add movaps alternative for xmm reg->reg move.
5150 2005-01-17  Jeff Law  <law@redhat.com>
5152         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5153         at the end of the main DOM loop rather than just before DOM exits.
5155 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5157         PR tree-optimization/19121
5158         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5159         adding aliases to a name tag, also add them to the pointer's
5160         type tag.
5161         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5162         sensitive alias info at all.  Only check that the two pointers
5163         have compatible pointed-to sets.
5164         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5165         a pointer's type tag is a superset of the alias set of the
5166         pointer's name tag.
5168 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5170         PR target/19357
5171         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5172         comment to document why.
5174 2005-01-17  Richard Henderson  <rth@redhat.com>
5176         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5177         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5178         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5179         sse2_vmsminv2df3_finite): New.
5180         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5181         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5182         Force op1 into register.
5184 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5186         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5187         bubblestrap from always rebuilding build directory.
5189 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5191         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5192         ("*cmpmem_short"): Likewise.
5194 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5196         * basic-block.h: Document BB_* flags.
5197         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5198         use an sbitmap instead.
5199         * sched-rgn.c (compute_trg_info): Likewise.
5201 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5203         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5204         redundant target_cpu_default and extra_parts lines.  Use the default
5205         "from-abi" ISA.
5206         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5207         (SUBTARGET_EXTRA_SPECS): Delete.
5208         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5209         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5210         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5211         and "n32" for -mabi=n32.
5213 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5215         PR c/5675
5216         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5217         fold constant variables into initial values.
5219 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5221         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5223         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5224         through the statements backward.
5226 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5228         PR middle-end/13127:
5229         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5230         a variable set to the return value of the inlined function.
5232 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5234         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5235         when modes are tieable.
5237 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5239         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5240         of pthread_create to find out if threads are enabled.
5241         * gthr-posix95.h (__gthread_active_p): Likewise.
5243 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5245         * common.opt (-fnew-ra): Remove.
5246         * ra*.*: Remove.
5247         * toplev.h (flag_new_regalloc): Remove.
5248         * Makefile.in (ra*.*): Don't mention.
5249         * passes.c (rest_of_handle_new_regalloc): Remove.
5250         (rest_of_handle_combine, rest_of_compilation): Always consider
5251         flag_new_regalloc as false.
5252         * doc/invoke.texi: Don't document -fnew-ra.
5254 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5256         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5257         last parameter to reg_scan.
5258         * loop.c (loop_optimize): Likewise.
5259         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5260         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5261         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5262         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5263         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5264         * regclass.c (reg_scan): Likewise, for the declaration.
5265         * rtl.h (reg_scan): Likewise, for the prototype.
5267 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5269         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5270         mark_dfs_back_edges.
5272 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5274         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5275         (compute_avail): Uses don't go in tmp_gen.
5277 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5279         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5280         loop to look for a free slot in a page entry.
5282 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5284         PR target/16304
5285         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5286         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5287         just before targetm.asm_out.file_end.
5288         * tree.h (process_pending_assemble_output_defs): Declare.
5289         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5290         New functions.
5291         (assemble_alias): Defer generation of assembly code for defines when
5292         TARGET_DEFERRED_OUTPUT_DEFS is true.
5293         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5294         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5295         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5297 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5299         PR target/19336
5300         * pa.c (pa_scalar_mode_supported_p): New function.
5301         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5302         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5304         * pa-protos.h (prefetch_operand): Delete.
5305         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5306         * pa.c (prefetch_operand): Delete.
5307         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5308         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5309         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5310         and prefetch_nocc_operand.
5311         * pa.md (prefetch): Rework to avoid reload problems handling short
5312         displacements when a cache control completer needs to be provided.
5313         (prefetch_32, prefetch_64): Delete.
5314         (prefetch_cc, prefetch_nocc): New patterns.
5316 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5318         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5320 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5322         PR ada/19388
5323         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5324         exceeds maximum alignment for global common data.
5325         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5326         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5328 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5330         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5332 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5334         * harg-reg-set.h (reg_class_names): Prototype global array.
5335         * regclass.c (reg_class_names): Declare here and initialize to
5336         REG_CLASS_NAMES.
5337         (dump_regclass): Remove local declaration of reg_class_names.
5338         (regclass): Likewise.
5339         * cfg.c (dump_flow_info): Likewise.
5340         * ra-debug.c (reg_class_names): Likewise.
5341         * regrename.c (reg_class_names): Likewise.
5342         * reload.c (reg_class_names): Likewise.
5343         * reload1.c (spill_failure): Likewise.
5344         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5346 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5348         * config/s390/s390.md ("reload_outti"): Remove predicate for
5349         output operand.  Abort if operand is not a MEM.
5350         ("reload_outdi", "reload_outdf"): Likewise.
5352 2005-01-15  Marc Espie  <espie@openbsd.org>
5354         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5355         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5356         * config/openbsd.h:  Fix C++ includes for native configurations.
5357         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5358         Add trampoline support.
5359         * config/i386/openbsdelf.h: New.
5361 2005-01-15  Marc Espie  <espie@openbsd.org>
5363         * collect2.c (main): Explicitly parse -dynamic-linker option.
5365 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5367         PR tree-optimization/19060
5368         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5369         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5370         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5371         and handle extract_range_from_cond returning false.
5372         * fold-const.c (fold): Optimize comparisons with min/max even for
5373         width > HOST_BITS_PER_WIDE_INT.
5375 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5377         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5378         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5379         Remove little endian multilib variants.
5380         Add mips32 multilib variant.
5382 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5384         * explow.c (copy_all_reg, stabilize): Remove.
5385         * expr.h: Remove the corresponding prototypes.
5387         * rtlanal.c (regs_set_between_p): Remove.
5388         * rtl.h: Remove the corresponding prototype.
5390 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5392         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5393         to rs6000_nonimmediate_operand.
5394         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5395         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5396         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5397         rs6000_nonimmediate_operand.
5398         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5399         rs6000_nonimmediate_operand.
5401 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5403         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5405 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5407         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5408         on e500v2.
5409         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5410         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5412         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5413         (rs6k_nonimmediate_operand): New.
5414         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5415         correctly.
5416         (legitimate_lo_sum_address_p): Same.
5417         (rs6000_legitimize_address): Same.
5418         (rs6000_legitimize_reload_address): Same.
5419         (rs6000_legitimate_address): Same.
5420         (spe_build_register_parallel): Pass DF and DC modes in a DI
5421         register.
5423         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5424         to rs6k_nonimmediate_operand.
5426         * config/rs6000/spe.md ("*frob_df_di"): New.
5427         ("*frob_di_df"): New.
5428         ("*frob_di_df_2"): New.
5429         ("*mov_sidf_e500_subreg0"): New.
5430         ("*mov_sidf_e500_subreg4"): New.
5431         ("*movdf_e500_double"): Change predicate to
5432         rs6k_nonimmediate_operand.
5434 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5436         * postreload.c (move2add_note_store): Only call
5437         trunc_int_for_mode on scalar integers.
5439 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5441         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5442         replace BB_VISITED uses.
5443         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5444         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5445         (tree_dce_done): Free visited_control_parents.
5446         (perform_tree_ssa_dce): Allocate and clear it.
5447         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5448         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5449         instead of BB_VISITED.
5451 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5453         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5454         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5455         Remove unused prototypes.
5457 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5459         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5460         64-bit register usage.
5461         (spe_func_has_64bit_regs_p): Add FIXME note.
5463 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5465         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5466         flag_finite_math_only with flag_unsafe_math_optimizations.
5468 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5470         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5471         end-of-stack check.
5472         (__tpf_eh_return): Copy TPF private stack area from the module
5473         boundary stack frame.  Add check for when module addresses are
5474         equal, but no stub address is found.
5476 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5478         PR target/7525
5479         * arm.h (struct machine_function): Add call_via field.
5480         (thumb_call_via_label): Declare.
5481         * arm.c (thumb_call_via_label): New variable.
5482         (thumb_call_reg_needed): New variable.
5483         (arm_output_function_epilogue): For Thumb code, output any per-function
5484         call-indirect trampolines.
5485         (thumb_call_via_reg): New function.
5486         (arm_file_end): New function.
5487         (TARGET_ASM_FILE_END): Call arm_file_end.
5488         (aof_file_end): Likewise.
5489         * arm-protos.h (thumb_call_via_reg): Declare.
5490         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5491         thumb_call_via_reg in normal case.
5493 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5495         PR middle-end/19084
5496         PR rtl-optimization/19348
5497         * recog.c (peephole2_optimize): Do global life update if some peephole
5498         decides it doesn't need at least one of its inputs and that change
5499         influences liveness at the start of the basic block.
5501         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5502         arguments instead of 1.
5504 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5506         PR middle-end/18820
5507         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5508         zero for nested functions needing a static chain or functions
5509         with a non-constant address.
5511 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5513         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5514         (and (sign_extend X) C) into (zero_extend (and X C)).
5516 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5518         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5520 2005-01-13  Richard Henderson  <rth@redhat.com>
5522         PR target/19009
5523         PR target/19250
5524         PR target/19252
5525         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5526         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5527         not just TARGET_SSE.
5528         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5529         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5530         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5531         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5532         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5533         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5534         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5535         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5536         (movdicc_c_rex64): Rename with '*'.
5537         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5538         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5539         (movsfcc_1_387): Rename from movsfcc_1.
5540         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5541         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5542         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5543         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5544         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5545         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5546         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5547         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5548         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5549         sse_movdfcc_const0_4): Remove.
5550         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5551         recognize min/max early.  Update for changed sse cmove patterns.
5552         (ix86_split_sse_movcc): New.
5553         * config/i386/i386-protos.h: Update.
5555 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5557         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5558         (fix_stmt_v_may_defs): Likewise.
5560 2005-01-13  Richard Henderson  <rth@redhat.com>
5562         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5563         for converting the mask.
5565 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5567         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5568         definition to 600.
5570 2005-01-13  Richard Henderson  <rth@redhat.com>
5572         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5573         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5574         IX86_BUILTIN_MOVDQ2Q): Remove.
5575         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5576         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5577         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5578         shuffling.
5579         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5580         (sse2_pextrw): Fix immediate constraint.
5581         (sse2_loadq, sse2_loadq_rex64): Remove.
5582         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5583         Use __builtin_ia32_vec_ext_<size>.
5584         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5586 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5588         * function.c (assign_parm_setup_block): Look inside original
5589         entry_parm when inspecting PARALLEL.
5591 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5592             Joel Sherrill  <joel@oarcorp.com>
5594         PR target/19399
5595         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5596         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5597         rtems_gxx_recursive_mutex_init.
5598         (__gthread_recursive_mutex_lock): New function.
5599         (__gthread_recursive_mutex_trylock): Likewise.
5600         (__gthread_recursive_mutex_unlock): Likewise.
5602 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5604         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5606 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5608         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5609         (ashrti3_internal): Indicate output is early clobber. Generate result
5610         into output rather than first input. Use move for low word of output
5611         if shift count is exactly 64.
5612         (lshrti3_internal): Likewise.
5614 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5616         PR target/18329
5617         PR target/18330
5618         * reload1.c (delete_output_reload): Don't delete an output reload
5619         if the pseudo lives longer than a single basic block.  Adjust and
5620         improve wording of comment.
5622 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5624         PR target/19334
5625         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5626         of TYPE_SIZE where we mean the number of bytes.
5628 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5630         * function.c (assign_parm_setup_block): Relax condition on
5631         multi-register optimization.
5633 2005-01-12  Nick Clifton  <nickc@redhat.com>
5635         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5636         an "in_delay_slot" attribute of "no" to prevent them being used in
5637         delay slots.  This is forbidden because they might generate
5638         exceptions.
5640 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5642         PR target/19389
5643         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5644         with r->Y and Y->r.
5646 2005-01-12  Nick Clifton  <nickc@redhat.com>
5648         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5649         passed on to GAS) but do not define, as GAS no longer supports or
5650         needs the -m2000 option.
5652 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5654         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5655         type as args of unprototyped builtins aren't automatically promoted.
5656         (fold_builtin_abs): Likewise.
5658 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5660         * Makefile.in: Set a `build-warn' variable.
5662 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5664         PR tree-optimization/17949
5665         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5666         (find_interesting_uses_address): Use it.
5668 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5670         * regrename.c (kill_value): Handle subreg's that won't simplify.
5672 2005-01-11  Richard Henderson  <rth@redhat.com>
5674         PR target/13366
5675         * config/i386/i386.h (enum ix86_builtins): Move ...
5676         * config/i386/i386.c: ... here.
5677         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5678         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5679         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5680         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5681         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5682         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5683         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5684         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5685         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5686         IX86_BUILTIN_LOADDDUP): Remove.
5687         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5688         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5689         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5690         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5691         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5692         (ix86_init_builtins): Make static.
5693         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5694         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5695         if all the modes match.  Otherwise, fake it.
5696         (get_element_number, ix86_expand_vec_init_builtin,
5697         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5698         (ix86_expand_builtin): Make static.  Update for changed builtins.
5699         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5700         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5701         (ix86_expand_vector_init_duplicate): New.
5702         (ix86_expand_vector_init_low_nonzero): New.
5703         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5704         Split out from ix86_expand_vector_init; handle integer modes.
5705         (ix86_expand_vector_init): Use them.
5706         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5707         * config/i386/i386-protos.h: Update.
5708         * config/i386/predicates.md (reg_or_0_operand): New.
5709         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5710         (movv2sf_internal): Likewise.  And a splitter to match them all.
5711         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5712         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5713         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5714         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5715         (mmx_pinsrw): Fix operand ordering.
5716         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5717         rather than sse_loadss expander.
5718         (movv2df splitter): Similarly.
5719         (sse_loadss, sse_loadlss): Remove.
5720         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5721         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5722         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5723         (sse3_movddup): Rename with '*'.
5724         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5725         (sse2_loadsd): Remove.
5726         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5727         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5728         (sse2_pinsrw): Fix argument ordering.
5729         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5730         (sse2_stored): Remove 'r' destination.
5731         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5732         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5733         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5734         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5735         vec_extractv16qi, vec_initv16qi): New.
5737         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5738         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5739         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5740         constructor form.
5741         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5742         (_mm_load_si128, _mm_store_si128): Likewise.
5743         (_mm_load1_pd): Use _mm_set1_pd.
5744         (_mm_load_sd): Use _mm_set_sd.
5745         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5746         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5747         (_mm_set_epi64): Use _mm_set_epi64x.
5748         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5749         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5750         _mm_setr_epi8): Use _mm_set_foo form.
5751         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5752         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5753         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5754         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5755         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5756         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5757         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5758         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5759         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5760         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5761         (_mm_movedup_pd): Use _mm_shuffle_pd.
5762         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5763         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5764         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5765         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5766         Use _mm_setzero_ps.
5767         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5768         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5769         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5770         (_mm_store_ps): Use raw dereference.
5771         (_mm_store1_ps): Use _mm_storeu_ps.
5772         (_mm_storer_ps): Use _mm_store_ps.
5773         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5774         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5776 2005-01-11  Stan Shebs  <shebs@apple.com>
5778         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5779         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5781 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5783         PR target/18761
5784         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5785         Skip all DECLs except for FIELD_DECLs.
5787 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5789         * config/s390/s390.c (override_options): Return error if
5790         -mbackchain, -mpacked-stack and -mhard-float are used together.
5791         (s390_va_start): Remove the backchain && packed-stack special case.
5792         (s390_gimplify_va_arg): Likewise.
5793         * doc/invoke.texi: Remove the ABI incompatibility note.
5795 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5797         * config/s390/s390.c (struct s390_frame_layout): Remove
5798         save_backchain_p.
5799         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5800         save_backchain_p with TARGET_BACKCHAIN.
5802 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5804         PR target/18916
5805         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5806         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5807         * function.c (locate_and_pad_parm): Set new field.
5808         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5809         Tweak where_pad test to include "none".  Always set mem align for
5810         stack_parm.
5811         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5812         not sufficient for type.
5813         (assign_parm_setup_block): If stack_parm is zero on entry, always
5814         make a new stack local.  Block move old stack parm if necessary
5815         to new aligned stack local.
5816         (assign_parm_setup_stack): Use a block move to handle
5817         potentially misaligned entry_parm.
5818         (assign_parms_unsplit_complex): Specify required alignment when
5819         creating stack local.
5820         * calls.c (compute_argument_addresses): Override alignment of stack
5821         arg calculated from its type with the alignment given by
5822         FUNCTION_ARG_BOUNDARY.
5823         (store_one_arg): Likewise.
5825 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5827         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5828         Change respective itanium_class attribute to ialu.
5829         (shladdp4_internal): New.
5830         * config/ia64/predicates.md (shladd_log2_operand): New.
5832 2005-01-11  Richard Henderson  <rth@redhat.com>
5834         * expr.c (store_constructor): Use rtvec_alloc instead of
5835         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5837 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5839         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5841 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5843         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5844         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5845         (TARGET_RWRELOC): Define.
5846         (ia64_rwreloc_section_type_flags): Delete.
5847         (ia64_section_type_flags): New function.
5848         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5849         (TARGET_RWRELOC): Define.
5851 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5853         PR target/18987
5854         * config/ia64/ia64.c (process_set): For alloc insn, only call
5855         process_epilogue is !frame_pointer_needed.
5857 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5859         PR c++/19355
5860         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5861         unary operator and can't be treated as a binary/comparison operator.
5863 2005-01-10  Richard Henderson  <rth@redhat.com>
5865         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5866         (ix86_return_in_memory): Likewise.
5867         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5868         for choosing register to advance.
5870 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5872         * tree-vectorizer.c, tree.def: Fix comment typos.
5874 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5876         * config/s390/s390.c (struct processor_costs): 4 new fields:
5877         ddbr, ddr, debr, der.
5878         (s390_rtx_costs): More precise handling of divide instructions.
5880 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5882         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5884 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5886         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5887         names resulting from -ffunction-sections/-fdata-sections and linkonce
5888         ones.
5889         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5890         based on the section name. Rearrange the section name comparison logic
5891         slightly so that each section name is compared against at most once.
5893 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5895         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5896         targets for which -fPIC reduces limitations on the GOT size.
5898 2005-01-09  Falk Hueffner  <falk@debian.org>
5900         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5901         X/C1 cmpop C2.
5903 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5905         PR target/18720
5906         * collect2.c (main): Set aixrtl_flag for -brtl option.
5907         (resolve_lib_name): Search for .so file extension before .a
5908         if aixrtl_flag set.
5910 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5912         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5913         (vect_analyze_data_refs_alignment): Add dump prints.
5915 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5917         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5918         expr_invariant_in_loop_p.
5919         Initialize outputs first thing in the function.
5920         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5921         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5922         (vect_analyze_pointer_ref_access): Check that the initial condition of
5923         the access function is loop invariant.
5925 2005-01-09  Richard Henderson  <rth@redhat.com>
5927         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5928         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5929         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5930         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5931         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5932         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5933         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5934         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5935         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5936         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5937         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5938         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5939         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5940         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5941         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5942         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5943         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5944         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5945         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5946         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5947         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5948         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5949         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5950         mmx_ prefix.
5951         (mmx_clrdi, pavgusb): Remove.
5952         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5953         with leading sse_ prefix.
5954         * config/i386/sse.md: Receive them.
5955         * config/i386/mmx.md: New file.
5956         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5957         (subrv2sf3): Turn into expander for normal subtraction.
5958         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5959         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5960         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5961         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5962         commutative; use ix86_binary_operator_ok.
5963         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5964         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5965         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5966         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5967         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5968         Macroize from existing patterns; use ix86_binary_operator_ok.
5969         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5970         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5971         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5972         with vec_select+vec_concat.
5973         (mmx_pshufw, mmx_pshufw_1): Likewise.
5974         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5975         (mmx_uavgv4hi3): Model correctly.
5976         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5977         _mm_xor_si64): Remove casts.
5979 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5981         PR tree-optimization/19224
5982         * tree-scalar-evolution.c (get_instantiated_value,
5983         set_instantiated_value): New functions.
5984         (instantiate_parameters_1): Cache the results.
5985         (instantiate_parameters, resolve_mixers): Initialize and free
5986         the cache.
5988 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5990         * config/i386/i386.md (addhi_4): Correct reference in comment.
5991         (addqi_4): Same.
5993 2005-01-08  Richard Henderson  <rth@redhat.com>
5995         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5996         (_mm_cvtsi128_si64x): Likewise.
5997         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5998         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5999         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6000         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6001         * config/i386/i386-protos.h: Update.
6002         * config/i386/i386.c (print_operand): Add 'H'.
6003         (ix86_fixup_binary_operands): Split out from ...
6004         (ix86_expand_binary_operator): ... here.
6005         (ix86_fixup_binary_operands_no_copy): New.
6006         (ix86_expand_fp_absneg_operator): Handle vector mode results.
6007         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6008         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6009         (safe_vector_operand): Use CONST0_RTX.
6010         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6011         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6012         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
6013         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
6014         special cases.
6015         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6016         (IX86_BUILTIN_CMPNGESS): New.
6017         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6018         (attr type): Add sselog1.
6019         (attr unit, attr memory): Handle it.
6020         (movti, movti_internal, movti_rex64): Move near other integer moves.
6021         (movtf, movtf_internal): Move near other fp moves.
6022         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6023         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6024         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6025         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6026         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6027         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6028         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6029         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6030         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6031         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6032         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6033         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6034         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6035         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6036         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6037         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6038         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6039         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6040         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6041         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6042         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6043         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6044         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6045         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6046         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6047         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6048         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6049         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6050         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6051         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6052         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6053         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6054         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6055         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6056         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6057         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6058         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6059         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6060         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6061         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6062         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6063         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6064         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6065         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6066         same time.
6067         (SSEPUSH, push<SSEPUSH>): Remove.
6068         (MMXPUSH, push<MMXPUSH>): Remove.
6069         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6070         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6071         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6072         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6073         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6074         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6075         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6076         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6077         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6078         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6079         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6080         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6081         (ppro_sse_log_V4SF): Handle sselog1.
6082         * config/i386/predicates.md (const_0_to_1_operand): New.
6083         (const_0_to_255_mul_8_operand): New.
6084         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6085         (const_2_to_3_operand, const_4_to_7_operand): New.
6086         * config/i386/sse.md: New file.
6087         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6088         (sse_movups): Rename from sse_movups_1.
6089         (sse_loadlss): Rename from sse_loadss_1.
6090         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6091         from the name.
6092         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6093         (absv4sf2, negv2df, absv2df): New.
6094         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6095         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6096         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6097         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6098         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6099         (sse3_addsubv4sf3): Model correctly.
6100         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6101         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6102         (sse_movhlps): Model with vec_select+vec_concat.
6103         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6104         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6105         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6106         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6107         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6108         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6109         sse2_pshufhw_1): Likewise.
6110         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6111         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6112         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6113         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6114         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6115         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6116         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6117         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6118         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6119         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6120         sminv8hi3): Mark commutative
6121         operands.  Use ix86_binary_operator_ok.
6122         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6123         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6124         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6125         sse2_punpcklqdq): Allow operand2 in memory.
6126         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6127         sse2_movsd): Add memory alternatives.
6128         (sse_storelps): Turn expander into an insn; split after reload.
6129         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6130         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6132 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6134         * configure.ac (DWARF-2 debug_line): Use objdump.
6135         * configure: Regenerate.
6137 2005-01-08  Jeff Law  <law@redhat.com>
6138             Diego Novillo  <dnovillo@redhat.com>
6140         PR tree-optimization/18241
6141         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6142         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6143         statements with volatile operands.
6144         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6145         operands after marking a statement with has_volatile_ops.
6147 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6149         * tree.c (int_fits_type_p): Always honor integer constant
6150         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6152 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6154         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6155         the latent bug in rtl_delete_block has been resolved.
6157 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6159         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6160         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6162 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6164         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6165         library as @multilib_dir@/$(SHLIB_SONAME).
6167 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6169         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6170         * configure: Regenerate.
6172 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6174         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6175         TYPE_MODE.
6177 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6179         PR target/13674
6180         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6181         Convert non-word aligned offset address using ld/std into
6182         indirect address.
6184 2005-01-07  Richard Henderson  <rth@redhat.com>
6186         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6188 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6190         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6192 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6194         PR tree-optimization/19283
6195         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6196         is not shorter than the original type.
6198         PR rtl-optimization/19012
6199         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6201         PR rtl-optimization/18861
6202         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6203         (FULL_STATE): Define.
6204         (mark_tablejump_edge): New function.
6205         (purge_dead_tablejump_edges): New function.
6206         (find_bb_boundaries): Use it.
6208         PR tree-optimization/18828
6209         * builtins.c (expand_builtin_next_arg): Remove argument and all
6210         the argument checking.
6211         (expand_builtin): Adjust caller.
6212         (expand_builtin_va_start): Likewise.  Remove error for too many
6213         arguments.
6214         (fold_builtin_next_arg): Issue error for too many arguments.
6215         After checking arguments, replace them with magic arguments that
6216         prevent further checking of the args.
6218 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6220         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6222 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6224         PR target/6077
6225         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6226         and %{.S:...} (and their negative variants) to test whether the
6227         input file is assembler or pre-processed-assembler independent of
6228         the actual filename extension.
6230 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6232         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6233         of sign or zero extended values.
6235 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6237         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6238         for IBM long double format correctly.
6240 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6242         Fix PR tree-optimization/18792
6244         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6245         to first_loop_depth, and use loop depth instead of loop number.
6246         (build_classic_dir_vector): Ditto.
6247         (compute_data_dependences_for_loop): Use depth, not loop number.
6248         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6249         number. Pass in loops, instead of loop numbers.
6250         (gather_interchange_stats): Ditto.
6251         (linear_transform_loops): Ditto.
6253 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6255         PR rtl-opt/13299
6256         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6257         biv_fits_mode_p, extension_within_bounds_p): New functions.
6258         (check_ext_dependent_givs): Use them.
6260 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6262         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6263         more than one barrier, in which case we should delete them all.
6265 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6267         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6269 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6271         Fix PR middle-end/19286
6272         Fix PR debug/19267
6273         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6274         output this subprogram, simply ignore this attempt to do it again.
6275         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6276         origin attribute if it's not possible.
6277         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6278         (decls_for_scope): Ditto.
6279         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6280         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6282 2005-01-05  Richard Henderson  <rth@redhat.com>
6284         PR target/11327
6285         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6286         (bdesc_2arg): Use it.
6287         (ix86_expand_binop_builtin): Force operands into registers
6288         when optimizing.
6289         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6290         ix86_expand_sse_compare, ix86_expand_sse_comi,
6291         ix86_expand_builtin): Likewise.
6293 2005-01-05  Richard Henderson  <rth@redhat.com>
6295         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6296         and VEC_SELECT.
6297         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6298         (mulv4hi3): Set itanium_class mmmul.
6299         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6300         (fpack): Rename from fpack_sfsf.
6302 2005-01-05  Richard Henderson  <rth@redhat.com>
6304         PR rtl-opt/10692
6305         * reload1.c (do_input_reload): Restrict the optimization deleteing
6306         a previous output reload to RELOAD_FOR_INPUT.
6308 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6310         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6311         comment that we fall through after case.
6312         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6313         (distribute_links): Likewise.
6314         * cse.c (cse_insn): Likewise.
6315         * cselib.c (cselib_invalidate_mem): Likewise.
6316         * df.c: Update comments at the top of the file.
6317         (read_modify_subreg_p): Update comments here too.
6318         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6319         * flow.c (mark_set_1): Likewise.
6320         (mark_used_regs): Likewise.
6321         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6322         (canon_list_insert): Likewise.
6323         (mark_set): Likewise.
6324         (try_replace_reg): Likewise.
6325         (store_killed_in_insn): Likewise.
6326         * loop.c (count_one_set): Likewise.
6327         (basic_induction_var): Likewise.
6328         * postreload-gcse.c (find_mem_conflicts): Likewise.
6329         * postreload.c (reload_combine_note_store): Likewise.
6330         (move2add_note_store): Likewise.
6331         * reload.c (find_equiv_reg): Likewise.
6332         (mark_referenced_resources): Likewise.
6333         * rtlanal.c (set_noop_p): Likewise.
6334         (note_stores): Likewise.
6335         (note_uses): Likewise.
6336         * sched-deps.c (sched_analyze_1): Likewise.
6337         * sched-rgn.c (check_live_1): Likewise.
6338         (update_live_1): Likewise.
6339         * config/i860/i860.c: Likewise.
6341         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6342         an lvalue.
6343         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6345         * doc/rtl.texi: Update documentation for bit-fields and SET.
6347 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6349         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6351 2005-01-05  Jan Hubicka  <jh@suse.cz>
6352             Richard Henderson  <rth@redhat.com>
6354         PR target/18910
6355         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6356         with an offset.
6358 2005-01-05  Richard Henderson  <rth@redhat.com>
6360         PR target/12902
6361         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6362         (sse_shufps): Change operand 3 to const_int_operand.
6363         (sse2_storelps): Fix typo in template.
6364         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6365         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6366         (ix86_expand_builtin): Likewise.
6368 2005-01-05  Julian Brown  <julian@codesourcery.com>
6370         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6371         as aggregates for AAPCS ABIs.
6373 2005-01-05  Stan Shebs  <shebs@apple.com>
6375         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6376         Mach-O getters if ppc64.
6377         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6378         size argument.
6379         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6380         signed four-byte field for global code case.
6381         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6383 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6385         PR middle-end/19100
6386         * c-common.c: Include real.h.
6387         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6388         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6389         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6390         * Makefile.in (c-common.o): Update dependencies.
6392 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6394         * c-parse.in (asm_string): Add trailing semicolon.
6396 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6398         * c-parse.in (asm_string): New.  Don't allow wide strings in
6399         'asm'.
6400         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6401         asm_string instead of STRING.
6403 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6405         * c-typeck.c (constructor_no_implicit): Remove.
6406         (set_designator, process_init_element): Don't check
6407         constructor_no_implicit.
6409 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6410             Kaz Kojima  <kkojima@gcc.gnu.org>
6412         PR target/16482
6413         * lcm.c (create_pre_exit): New.
6414         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6415         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6417 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6419         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6420         -msoft-float in target_float_switch.
6421         * arm.c (arm_override_options): Fix processing of target_float_switch.
6423 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6425         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6426         preferencing.
6428 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6430         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6431         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6433 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6435         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6436         if deleting the then-block allows the test-block to fallthru to the
6437         else-block.
6439 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6441         PR c/19152
6442         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6443         after the full declaration if the are in two different TUs.
6445 2005-01-04  Richard Henderson  <rth@redhat.com>
6447         PR tree-opt/19158
6448         * tree-sra.c (generate_one_element_init): Just
6449         call gimplify_and_add.
6450         (generate_element_init): Record the
6451         new referenced variables and mark them for renaming
6452         and split out to ...
6453         (generate_element_init_1): This.
6454         (scalarize_init): Don't call push_gimplify_context/
6455         pop_gimplify_context.
6457 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6459         * toplev.c (get_src_pwd): Handle failure of getpwd().
6461 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6463         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6464         of TRUTH_NOT_EXPR.
6465         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6466         all the cases handled by it are inverted by invert_truthvalue.
6468 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6470         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6471         (save_register_windowsi): Likewise.
6473 2005-01-04  Richard Henderson  <rth@redhat.com>
6475         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6477 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6479         PR middle-end/17767
6480         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6481         any simplifications of vector mode comparison operators.
6482         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6484 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6485             Devang Patel  <dpatel@apple.com>
6487         PR tree-optimization/18308
6488         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6489         the operands before creating a new expression.
6490         * dojump.c (do_jump): Make drop_through_label available
6491         for all cases.  Add expansion of COND_EXPR.
6493 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6495         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6496         INTEGER_CST instead of TREE_CONSTANT.
6497         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6498         instead of TREE_CONSTANT.
6499         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6500         instead of TREE_CONSTANT.
6502 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6504         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6506 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6508         PR target/19240
6509         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6510         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6512 2005-01-03  Richard Henderson  <rth@redhat.com>
6514         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6515         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6516         fold_convert_const_real_from_real): Split out from ...
6517         (fold_convert_const): ... here.
6519 2005-01-03  Richard Henderson  <rth@redhat.com>
6521         PR target/19235
6522         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6523         (mov<MMXMODEI>_internal): Likewise.
6524         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6525         Add V2SF case; use it for SSE1; don't use TI.
6526         (movdf_integer): Likewise.
6527         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6529 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6531         * tree-vectorizer.c (vect_strip_conversions): New function.
6532         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6533         check for binary class.
6535 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6537         Fix PR debug/17924
6538         Fix PR debug/19191
6539         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6540         is a decl.
6541         * gimple-low.c (mark_blocks_with_used_vars): New function.
6542         (mark_blocks_with_used_subblocks): Ditto.
6543         (mark_used_blocks): Ditto.
6544         (pass_mark_used_blocks): New pass.
6545         * tree-inline.c: Include debug.h.
6546         (expand_call_inline): Call outlining_inline_function here.
6547         * tree-optimize.c (init_tree_optimization_passes): Add
6548         pass_mark_used_blocks.
6549         * tree-pass.h (pass_mark_used_blocks): New.
6550         * Makefile.in (tree-inline.o): Add debug.h dependency.
6552 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6554         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6555         VAR_DECLs to have weak_import attribute.
6557         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6558         'struct ucontext'.
6560 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6562         * passes.c (rest_of_compilation): Don't run regmove if only
6563         flag_expensive_optimizations, require flag_regmove instead.
6565 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6567         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6568         register "sparc".
6569         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6570         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6571         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6572         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6574 2005-01-03  Richard Henderson  <rth@redhat.com>
6576         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6577         (ia64_const_ok_for_letter_p): New.
6578         (ia64_const_double_ok_for_letter_p): New.
6579         (ia64_extra_constraint): New.
6580         (ia64_expand_vecint_compare): New.
6581         (ia64_expand_vcondu_v2si): New.
6582         (ia64_expand_vecint_cmov): New.
6583         (ia64_expand_vecint_minmax): New.
6584         (ia64_print_operand): Add 'v'.
6585         (ia64_preferred_reload_class): New.
6586         (ia64_vector_mode_supported_p): New.
6587         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6588         (PREFERRED_RELOAD_CLASS): Move to function.
6589         (CONST_OK_FOR_LETTER_P): Move to function.
6590         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6591         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6592         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6593         (EXTRA_CONSTRAINT): Move to function.
6594         * config/ia64/ia64.md: Include vect.md.
6595         (itanium_class): Add mmalua.
6596         (type): Handle it.
6597         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6598         (1b_mmalua): New.
6599         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6600         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6601         CONST0_RTX.
6602         (const_int_2bit_operand): New.
6603         (fr_reg_or_0_operand): New.
6604         * config/ia64/ia64-modes.def: Add vector modes.
6605         * config/ia64/ia64-protos.h: Update.
6606         * config/ia64/vect.md: New file.
6608 2005-01-03  Richard Henderson  <rth@redhat.com>
6610         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6612 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6614         PR target/19236
6615         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6616         to SFmode.
6617         (log1pdf2): Change mode of operands[0,1] to DFmode.
6619 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6621         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6622         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6623         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6624         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6625         SPARC_RELAXED_ORDERING.
6627 2005-01-03  Richard Henderson  <rth@redhat.com>
6628             Uros Bizjak  <uros@kss-loka.si>
6630         PR target/14631
6631         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6632         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6633         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6634         handling.
6635         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6636         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6637         const_pow2_1_to_128_operand): New predicates.
6639 2005-01-02  Greg McGary  <greg@mcgary.org>
6641         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6642         anonymous decls.
6643         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6644         object.  [ptr_type]: Remove unused variable.
6645         Remember nearest addressable array-element or record-component
6646         when checking bitfield components.  Tolerate empty BIND_EXPR.
6648 2005-01-01  Richard Henderson  <rth@redhat.com>
6650         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6651         that don't narrow the value.  Fail for other conversions.
6653 2005-01-01  Richard Henderson  <rth@redhat.com>
6655         PR c/19031
6656         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6657         * c-lang.c (finish_file): Don't do it here.
6658         * objc/objc-act.c (objc_finish_file): Likewise.
6660         * cgraph.c (decl_assembler_name_equal): New.
6661         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6662         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6663         * cgraph.h (struct cgraph_varpool_node): Add next.
6664         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6665         * varasm.c (assemble_alias): Mark the target as needed.
6667 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6669         PR middle-end/19221
6670         * function.c (get_arg_pointer_save_area): Use entry_of_function
6671         instead of get_insns.
6673 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6674             Andrew Pinski  <pinskia@physics.uc.edu>
6675             James E. Wilson  <wilson@specifixinc.com>
6677         PR rtl-optimization/12092
6678         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6679         is zero.
6681 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6682             Olivier Hainque  <hainque@act-europe.fr>
6684         * tree.c (int_fits_type_p): A narrower type always fits in a
6685         wider one, except for negative values into unsigned types.
6687 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6689         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6690         with the original constant rather than require TREE_OVERFLOW.
6692 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6694         PR middle-end/17544
6695         * c-decl.c (finish_function): If compiling C99, annotate the
6696         compiler generated return with the current file name and line 0.
6697         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6698         the source line is greater than 0.
6699         (remove_bb): Likewise.
6701 See ChangeLog.12 for earlier changes.