1 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
3 * tree-into-ssa.c (find_idf): Speed up by putting the indexes
4 of basic blocks into work_stack.
6 * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
7 config/mips/vr.h: Update copyright.
9 2005-03-13 Andy Hutchinson <HutchinsonAndy@netscape.net>
12 * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
13 (*movmemqi_insn): Delete.
16 2005-03-13 Kazu Hirata <kazu@cs.umass.edu>
18 * builtins.c (fold_builtin_classify): Take decomposed
19 arguments of CALL_EXPR.
20 (fold_builtin_1): Update a call to fold_builtin_classify.
22 2005-03-13 Joseph S. Myers <joseph@codesourcery.com>
25 * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
26 through into call to parser_xref_tag after parse error.
27 (c_parser_struct_declaration): Consistently return NULL_TREE on
30 2005-03-12 Daniel Berlin <dberlin@dberlin.org>
32 * tree-flow-inline.h (ref_contains_array_ref): New function.
33 (lookup_subvars_for_var): Ditto.
34 (get_subvars_for_var): Ditto.
35 (var_can_have_subvars): Ditto.
37 * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
38 (struct subvar): New type.
40 * tree-dfa.c (okay_component_ref_for_subvars): New function.
42 * tree-optimize.c (init_tree_optimization_passes): Call
43 pass_create_structure_vars.
45 * tree-ssa-alias.c: Include vec.h.
46 (init_alias_info): Don't auto-clear call clobbered on struct-field
48 (compute_flow_insensitive_aliasing): Handle subvars.
49 (group_aliases): Handle STRUCT_FIELD aliases.
50 (setup_pointers_and_addressables): Ditto.
51 Don't mark variables non-addressable if they still have
53 Also mark subvars addressable when the real variable is marked
55 (add_pointed_to_var): Try to prune the pointed-to set by only
56 pointing to subvars when possible.
57 Otherwise, make sure we set addresses_needed and pt_vars to
58 properly include subvars.
59 (bitpos_of_field): New function.
60 (push_fields_onto_fieldstack): Ditto.
61 (get_or_create_used_part_for): Ditto.
62 (create_overlap_variables_for): Ditto.
63 (find_used_portions): Ditto.
64 (create_structure_vars): Ditto.
65 (pass_create_structure_vars): New structure.
67 * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
68 (get_expr_operands): Handle subvars. Also try to turn
69 COMPONENT_REF accesses into must-defs now that we can accurately
71 (note_addressable): Try to only mark as addressable those subvars
72 we know a COMPONENT_REF touches.
73 (overlap_subvar): New function.
75 * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
76 Handle subvar storing.
77 (vect_address_analysis): Update caller of vect_object_analysis.
79 * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
81 * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
82 (STMT_VINFO_SUBVARS): New macro.
84 * common.opts: add flag_tree_salias.
86 * opts.c (decode_options): flag_tree_salias defaults to on.
88 * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
90 * doc/tree-ssa.texi: Document structural alias analysis.
92 2005-03-12 Steven Bosscher <stevenb@suse.de>
94 * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
95 * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
96 * tree-ssa-operands.c (get_expr_operands): Likewise.
97 (get_expr_operands): Likewise for ERROR_MARK.
99 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
101 * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
104 * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
107 * tree-ssa-pre.c (compute_avail): Remove local variable val.
108 (mark_operand_necessary): Remove local variable ver.
110 * tree-vect-transform.c (vect_get_new_vect_var): Remove local
113 * value-prof.c (mod_subtract_transform): Remove local variable
116 * builtins.c (fold_builtin_exponent): Take decomposed
117 arguments of CALL_EXPR.
118 (fold_builtin_1): Update a call to fold_builtin_exponent.
120 * builtins.c (fold_builtin_logarithm): Take decomposed
121 arguments of CALL_EXPR.
122 (fold_builtin_1): Update a call to fold_builtin_logarithm.
124 * c-decl.c (c_init_decl_processing): Remove local variables
125 ptr_ftype_void and ptr_ftype_ptr.
127 * gimplify.c (gimplify_expr): Remove local variables r0 and
130 * reg-stack.c (move_for_stack_reg): Remove local variable
132 (compare_for_stack_reg): Remove local variable flags_user.
133 (convert_regs_1): Remove local variable deleted.
135 * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
137 (combine_blocks): Remove local variables exits and new_e.
139 * tree-inline.c (expand_call_inline): Remove local variable
142 * tree-ssa-live.c (create_ssa_var_map,
143 calculate_live_on_entry): Remove local variable snn.
145 2005-03-12 Geoffrey Keating <geoffk@apple.com>
147 * c-lex.c (c_lex_with_flags): Add parameter to call to
150 2005-03-11 Per Bothner <per@bothner.com>
152 * c-tree.h (struct c_declarator): New id_loc field.
153 * c-pragma.h (c_lex_with_flags): Take position reference.
154 * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
155 iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
156 (c_lex): Pass dummy location to c_lex_with_flags.
157 * c-parser.c (c_lex_one_token): Set c_token's location using
158 c_lex_with_flags, instead of input_location, which might be "ahead".
159 (c_parser_direct_declarator): Set declarator's id_loc from
161 * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
162 declarator's id_loc, rather than probably-imprecise input_location.
163 (build_id_declarator): Initialize c_declarator's id_loc field.
165 2005-03-11 Roger Sayle <roger@eyesopen.com>
168 * builtins.c (expand_builtin_signbit): Force the signbit's word
169 into an integer register to avoid SUBREGs of floating point modes.
171 2005-03-12 Kazu Hirata <kazu@cs.umass.edu>
173 * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
174 target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
175 tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
176 config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
178 2005-03-11 David Edelsohn <edelsohn@gnu.org>
180 PR rtl-optimization/20306
181 * expr.c (emit_move_complex): Set try_int false if mode is
182 MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try
183 emit_block_move if try_int is true.
185 2005-03-11 Richard Henderson <rth@redhat.com>
188 * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
189 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
192 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
194 * config/mips/mips.h (mips_fix_vr4130_string): Declare.
195 (TARGET_FIX_VR4130): New macro.
196 (TARGET_OPTIONS): Add -mfix-vr4130.
197 (ISA_HAS_MACCHI): New macro.
198 (ASM_SPEC): Add -mfix-vr4130.
199 * config/mips/mips.c (mips_fix_vr4130_string): New variable.
200 (override_options): Handle mips_fix_vr4130_string.
201 (mips_avoid_hazards): Clear all_noreorder_p
202 if we're working around VR4130 errata and the macc alternatives
204 * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
205 (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
206 * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
207 (MULTILIB_DEFAULTS): Remove leading "march=".
208 (DRIVER_SELF_SPECS): Likewise. Make -mfix-vr4130 imply -march=vr4130
209 if no architecture option is given.
210 * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
212 (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
213 * doc/invoke.texi: Document -mfix-vr4130.
215 2005-03-11 Richard Sandiford <rsandifo@redhat.com>
217 * config/mips/mips.c (override_options): Only warn about -mint64
218 deprecation if TARGET_INT64.
220 2005-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
222 * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
223 ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
224 ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
225 are non-specific regarding the nonnull parameter positions.
226 (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
227 ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
228 ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
229 ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
231 * builtins.def: Use the non-specific "nonnull" attibute lists.
233 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
235 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
236 single_pred_edge, single_succ, single_pred): Improve comments.
238 2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
240 * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
241 single_pred_edge, single_succ, single_pred): New inline functions.
242 * bb-reorder.c (rotate_loop, find_traces_1_round,
243 add_labels_and_missing_jumps, fix_up_fall_thru_edges,
244 duplicate_computed_gotos): Use the single_succ/pred functions.
245 * cfganal.c (forwarder_block_p): Ditto.
246 * cfgbuild.c (compute_outgoing_frequencies): Ditto.
247 * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
248 outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
249 merge_seq_blocks): Ditto.
250 * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
251 * cfglayout.c (fixup_reorder_chain): Ditto.
252 * cfgloop.c (mark_single_exit_loops, update_latch_info,
253 canonicalize_loop_headers, verify_loop_structure): Ditto.
254 * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
255 mfb_update_loops, create_preheader, force_single_succ_latches,
256 create_loop_notes): Ditto.
257 * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
258 force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
259 commit_one_edge_insertion, purge_dead_edges,
260 cfg_layout_can_merge_blocks_p): Ditto.
261 * except.c (sjlj_emit_function_enter): Ditto.
262 * flow.c (init_propagate_block_info): Ditto.
263 * function.c (thread_prologue_and_epilogue_insns): Ditto.
264 * gcse.c (find_implicit_sets, bypass_conditional_jumps,
265 insert_insn_end_bb): Ditto.
266 * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
267 find_if_case_2): Ditto.
268 * lambda-code.c (perfect_nestify): Ditto.
269 * lcm.c (optimize_mode_switching): Ditto.
270 * loop-doloop.c (doloop_modify): Ditto.
271 * loop-init.c (loop_optimizer_init): Ditto.
272 * loop-iv.c (simplify_using_initial_values): Ditto.
273 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
274 * loop-unswitch.c (unswitch_loop): Ditto.
275 * modulo-sched.c (generate_prolog_epilog): Ditto.
276 * predict.c (combine_predictions_for_insn, estimate_probability,
277 tree_estimate_probability, last_basic_block_p,
278 estimate_bb_frequencies): Ditto.
279 * profile.c (branch_prob): Ditto.
280 * regrename.c (copyprop_hardreg_forward): Ditto.
281 * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
282 * tracer.c (layout_superblocks): Ditto.
283 * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
284 cfg_remove_useless_stmts_bb, cleanup_control_flow,
285 cleanup_control_expr_graph, disband_implicit_edges,
286 tree_find_edge_insert_loc, bsi_commit_edge_inserts,
287 tree_verify_flow_info, tree_make_forwarder_block,
288 tree_forwarder_block_p, remove_forwarder_block,
289 remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
290 * tree-if-conv.c (tree_if_conversion): Ditto.
291 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
292 * tree-ssa-dce.c (remove_dead_stmt): Ditto.
293 * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
294 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
295 copy_loop_headers): Ditto.
296 * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
297 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
298 * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
299 lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
300 * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
301 * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
302 * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
303 * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
304 * tree-ssa-threadupdate.c (redirect_edges): Ditto.
305 * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
306 eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
307 * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
308 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
309 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
310 slpeel_add_loop_guard): Ditto.
312 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
314 PR tree-optimization/15784
315 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
318 * stmt.c (expand_case): Don't change index_type. Convert minval
321 PR tree-optimization/20130
322 * fold-const.c (fold): Fold x * -1 into -x.
324 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
326 PR rtl-optimization/20331
327 * rtlanal.c (modified_between_p): Check its address first for MEM.
328 (modified_in_p): Likewise.
330 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
332 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
334 2005-03-10 Steven Bosscher <stevenb@suse.de>
336 * expr.c (expand_expr_real_1): If possible, use a conditional
337 move for expanding MIN_EXPR and MAX_EXPR.
338 Use temp for moving around rtx-en.
340 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
343 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
346 2005-03-10 Roger Sayle <roger@eyesopen.com>
348 * builtins.c (expand_builtin_signbit): Extend to handle floating
349 point modes wider than the largest integer type, using the
350 operand_subword_force function to obtain the signbit's word.
352 2005-03-10 Jakub Jelinek <jakub@redhat.com>
355 * combine.c (try_combine): If recog_for_combine added CLOBBERs
356 to NEWI2PAT, fail to combine if they are used by NEWPAT.
358 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
360 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
362 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
364 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
366 (perform_edge_inserts): Unconditionally call
369 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
371 2005-03-10 Bob Wilson <bob.wilson@acm.org>
373 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
375 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
377 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
379 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
381 (rtl_register_value_prof_hooks,
382 tree_value_profile_transformations,
383 tree_register_value_prof_hooks): Likewise.
384 * var-tracking.c (stack_adjust_offset_pre_post,
385 variable_htab_free, variable_union, dataflow_set_different_2,
386 count_uses, variable_was_changed, set_frame_base_location,
387 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
388 vt_add_function_parameters): Likewise.
389 * varasm.c (named_section_real, named_section, make_decl_rtl,
390 asm_emit_uninitialised, assemble_integer, decode_addr_const,
391 const_hash_1, compare_constant, copy_constant, force_const_mem,
392 output_constant_pool_2, output_constant_pool_1, output_constant,
393 output_constructor, make_decl_one_only, decl_tls_model,
394 default_no_named_section, default_elf_select_section_1,
395 default_unique_section_1): Likewise.
396 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
397 * vmsdbgout.c (addr_const_to_string): Likewise.
400 * function.c (struct assign_parm_data_one): Remove last_named
402 (assign_parm_find_data_types): Don't determine last_named.
403 Reorder named_parm determination.
404 (assign_parms): Only setup varargs on the last non-varadic
407 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
409 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
410 sda base address on medium model.
412 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
414 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
415 * cfgloop.c (flow_loop_nodes_find): Export.
416 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
418 * cfgloopmanip.c (fix_loop_structure): New function.
419 * predict.c (predict_loops): Clean up the loops information.
420 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
421 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
423 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
424 (rewrite_into_loop_closed_ssa): Declaration changed.
425 * tree-loop-linear.c (linear_transform_loops): Add argument to
426 rewrite_into_loop_closed_ssa call.
427 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
428 * tree-ssa-loop-im.c (move_computations): Ditto.
429 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
430 * tree-vectorizer.c (vectorize_loops): Ditto.
431 * tree-optimize.c: Include cfgloop.h.
432 (execute_todo): Choose whether to call cleanup_tree_cfg or
433 cleanup_tree_cfg_loop.
434 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
435 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
436 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
437 cleanup_tree_cfg_loop call.
438 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
439 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
442 2005-03-10 Jakub Jelinek <jakub@redhat.com>
445 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
446 with multiple alternatives.
448 * stmt.c (parse_output_constraint): Fix a typo.
450 2005-03-09 Bob Wilson <bob.wilson@acm.org>
452 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
453 assembly directive instead of deprecated "no-generics".
455 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
457 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
458 for non-offsettable memory references to cope with outstanding reload
460 * config/s390/s390.md ("reload_outti"): Call find_replacement to
461 avoid losing outstanding address reloads.
462 ("reload_outdi", "reload_outdf"): Likewise.
464 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
467 code. Add more cbrt transformations.
469 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
471 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
473 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
475 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
476 NULL_TREE when a given tree is not simplified.
477 (fold): Return the original tree when any of the functions
478 mentioned above NULL_TREE.
480 * fold-const.c (fold_unary, fold_binary): Take decomposed
481 arguments, code, type, op0, and op1 in case of fold_binary.
482 (fold): Update calls to fold_unary and fold_binary.
484 2005-03-09 Roger Sayle <roger@eyesopen.com>
486 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
487 a fndecl and an arglist instead of a CALL_EXPR, exp.
489 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
491 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
493 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
495 * expr.c (expand_assignment): Remove orig_to_rtx.
497 * fold-const.c (int_const_binop): Remove no_overflow.
499 * ifcvt.c (noce_emit_move_insn): Remove inmode.
501 * loop-iv.c (get_biv_step_1): Remove lhs.
503 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
505 * real.c (real_nan): Remove neg.
507 * function.c (thread_prologue_and_epilogue_insns): Remove i
510 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
513 * tree-eh.c (tree_could_trap_p): Remove idx.
515 * tree-into-ssa.c (ann): Remove ann.
517 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
519 * tree-sra.c (decide_block_copy): Remove inst_count.
521 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
523 * tree-ssa-loop-im.c (lhs): Remove.
525 * cfgbuild.c (state, STATE, SET_STATE,
526 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
528 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
529 (find_basic_blocks): Set the state of each basic block to
532 2005-03-08 Jeff Law <law@redhat.com>
534 * tree-cfg.c (cleanup_control_flow): If removal of a computed
535 goto results in the removal of edges in the CFG, then we need
536 to recompute dominators.
538 2005-03-09 Ben Elliston <bje@au.ibm.com>
540 * c-common.c (c_do_switch_warnings): Comment fix.
542 2005-03-08 Julian Brown <julian@codesourcery.com>
544 * Patch from 2005-03-08 reverted for causing regressions and
545 ppc-darwin bootstrap failure.
547 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
549 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
550 Define the real function for ppc-darwin.
551 * c-typeck.c (convert_arguments): Check for target-specific
552 invalid argument call to unprototyped function.
553 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
555 * target.h (invalid_arg_for_unprototyped_fn): New field
557 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
559 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
562 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
564 * c-typeck.c (constructor_stack, constructor_range_stack,
565 initializer_stack): Make them static.
567 * cfg.c (rbi_pool): Make it static.
569 * gimple-low.c (lower_stmt_body): Make it static.
570 * tree-flow.h: Remove the corresponding prototype. Don't
573 * sched-deps.c (cache_size): Make it static.
575 * stor-layout.c (lang_adjust_rli): Make it static.
577 2005-03-08 Julian Brown <julian@codesourcery.com>
579 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
580 from being used for symbols with vague linkage when
581 HAVE_GAS_COMDAT_GROUP is true.
583 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
585 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
586 nlabel == JUMP_LABEL (jump).
588 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
590 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
591 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
592 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
593 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
595 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
598 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
599 * c-common.c (handle_returns_twice): New function.
600 (c_common_attribute_table): Declare eturns_twice' attribute.
601 * doc/extend.texi: Document eturns_twice' attribute.
602 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
603 (struct tree_decl): Add returns_twice_flag.
605 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
607 * tree-ssa-phiopt.c: Fix a comment typo.
609 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
610 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
611 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
614 2005-03-08 Richard Henderson <rth@redhat.com>
616 * config/alpha/alpha.c (code_for_builtin): Replace special-case
617 builtin codes with ctzdi2, clzdi2, popcountdi2.
618 (struct alpha_builtin_def): Add is_const.
619 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
620 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
621 (alpha_init_builtins): Init them. Set nothrow and const attributes
623 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
624 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
625 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
626 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
627 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
628 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
629 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
630 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
631 (TARGET_FOLD_BUILTIN): New.
632 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
633 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
635 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
637 2005-03-08 Ira Rosen <irar@il.ibm.com>
639 PR tree-optimization/20122
640 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
641 condition of access function instead of base.
643 2005-03-07 Jeff Law <law@redhat.com>
644 Steven Bosscher <stevenb@suse.de>
646 * tree-cfg.c (find_taken_edge_computed_goto): New function.
647 (find_taken_edge): Call find_taken_edge_computed_goto as
648 appropriate. Allow any gimple invariant rather than just
650 (cleanup_control_flow): Cleanup a computed goto which has turned
652 (tree_merge_blocks): If block B has any forced labels, move
653 them to the start of block A.
654 * tree-ssa-dom.c (thread_across_edge): Allow threading across
655 computed gotos as well.
656 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
657 removal of unnecessary computed gotos too.
658 (lookup_redirection_data): Fix type of INSERT argument. Callers
661 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
663 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
664 Remove trailing spaces.
666 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
667 unshare_all_trees): Make them static.
668 * tree-gimple.h: Remove the corresponding prototypes.
670 * diagnostic.h: Remove unused prototype
672 * modulo-sched.c: Remove unused prototype
673 set_row_column_for_ps.
675 * tree-ssa-phiopt.c (tree_ssa_phiopt,
676 replace_phi_edge_with_variable): Remove unused variable i.
678 2005-03-07 Per Bothner <per@bothner.com>
680 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
682 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
685 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
686 bbs on the COND_EXPR instead of the PHI_NODEs.
687 (candidate_bb_for_phi_optimization): Remove.
688 (replace_phi_with_stmt): Rename to ...
689 (replace_phi_edge_with_variable): this and change so that we
690 replace the phi argument instead of removing the PHI.
691 (conditional_replacement): Change so we deal with PHI with more
693 (value_replacement): Likewise.
694 (abs_replacement): Likewise.
696 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
698 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
699 output_e500_flip_gt_bit.
701 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
703 (rs6000_generate_compare): Fix logic to look at the correct bits.
704 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
706 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
707 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
708 gen_move_from_CR_gt_bit.
710 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
711 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
712 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
714 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
715 (E500_CR_IOR_COMPARE): New constant.
717 2005-03-08 Earl Chew <earl_chew@agilent.com>
718 David Billinghurst <David.Billinghurst@riotinto.com>
720 * config/i386/host-cygwin.c: New file to support precompiled
722 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
723 * config.host: Use above files for cygwin host.
725 2005-03-07 David Edelsohn <edelsohn@gnu.org>
727 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
728 ordering ops from earlier change.
730 2005-03-07 Per Bothner <per@bothner.com>
732 Various fixes to allow us to again build if --enable-mapped-location:
733 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
734 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
735 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
736 local variable loc. Change logic appropriately.
737 * tree-vect-transform.c (vect_finish_stmt_generation): Use
738 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
739 * c-parser.c (c_parser_for_statement): Initialize loc variable.
740 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
741 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
743 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
745 PR rtl-optimization/19683
746 * reload1.c (choose_reload_regs): Pass the number of bits, not the
747 number of bytes, to smallest_int_for_mode. Fix arguments to
748 REG_CANNOT_CHANGE_MODE_P.
750 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
752 * reorg.c (relax_delay_slots): Check that the jump is
753 conditional before trying to invert it.
755 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
757 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
760 * calls (stack_arg_under_construction): Make it static.
762 * flow.c (regs_live_at_setjmp): Make it static.
763 * flow.h: Remove the corresponding prototype.
765 * reload1.c (reload_startobj, reload_firstobj,
766 something_needs_operands_changed, reload_inherited,
767 reload_inheritance_insn, reload_override_in,
768 reload_spill_index): Make them static.
770 * recog.c (verify_changes): Make it static.
771 * recog.h: Remove the corresponding prototype.
773 * cfgbuild.c (find_sub_basic_blocks): Remove.
774 * basic-block.h: Remove the corresponding prototype.
775 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
777 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
779 * tree-ssa-operands.c (check_build_stmt): Remove.
781 * stor-layout.c (set_alignment): Remove.
782 * tree.h: Remove the corresponding prototype.
784 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
786 * tree-ssa-dce.c (control_dependence_map,
787 visited_control_parents): Make them static.
789 * cfghooks.c (verify_flow_info): Remove local variable
792 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
795 * loop-unswitch.c (unswitch_loop): Remove local variable src.
797 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
799 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
801 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
803 * config/ia64/hpux.h (LINK_SPEC): Add -z.
804 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
805 PARALLEL for an empty structure.
807 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
809 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
811 * fold-const.c (fold_binary): Unroll the very first "for"
814 2005-03-06 David Edelsohn <edelsohn@gnu.org>
816 * config/rs6000/predicates.md (branch_comparison_operator): Remove
817 redundant match_code test.
818 (scc_comparison_operator): Swap match_operand and match_code
820 (branch_positive_comparison_operator): Same.
821 (trap_comparison_operator): Use comparison_operator and swap with
824 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
827 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
828 (out_movhi_r_mr): Read low byte of volatile MEM first.
829 (out_movhi_mr_r): Write high byte of volatile MEM first.
831 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
833 * cselib.c (reg_values, reg_values_size): Make them static.
835 * cse.c (cse_reg_info_table): Make it static.
837 * fold-const.c (fold_unary): Use build1 instead of copy_node.
839 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
841 * cse.c (find_best_addr): Use canon_for_address.
843 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
845 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
846 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
847 SUBREG and MEM, respectively.
849 * fold-const.c (fold_binary): Use code instead of t.
851 * fold-const.c (optimize_minmax_comparison): Take decomposed
852 arguments code, type, op0, and op1 instead of t.
853 (fold_binary): Update a call to optimize_minmax_comparison.
855 * fold-const.c (fold_range_test): Take decomposed arguments
856 code, type, op0, and op1 instead of t.
857 (fold_binary): Update a call to fold_range_test.
859 * fold-const.c (fold_binary_op_with_conditional_arg): Take
860 decomposed arguments code, type, op0, and op1 instead of t.
861 (fold_binary): Update a call to fold_range_test.
863 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
865 * fold-const.c (fold_binary): Avoid directly using the original
866 expression t as much as possible.
868 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
870 * c-semantics.c (build_stmt): Use TYPE_P instead of
871 IS_NON_TYPE_CODE_CLASS.
872 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
873 (NON_TYPE_CHECK): Use TYPE_P instead of
874 IS_NON_TYPE_CODE_CLASS.
876 * fold-const.c (fold): Remove handling of binary expressions.
878 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
880 * doc/c-tree.texi: Wrap comments in @r{}.
881 * doc/cpp.texi: Likewise.
882 * doc/cppinternals.texi: Likewise.
883 * doc/extend.texi: Likewise.
884 * doc/md.texi: Likewise.
885 * doc/objc.texi: Likewise.
886 * doc/sourcebuild.texi: Likewise.
887 * doc/tm.texi: Likewise.
890 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
892 * predict.c (apply_return_prediction): Standardize PHI chain
894 * tree-ssa.c (ssa_redirect_edge): Likewise.
896 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
897 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
900 * tree-phinodes.c (remove_phi_node): Drop the last argument.
901 * tree-flow.h: Adjust the prototype for remove_phi_node.
902 * lambda-code.c (perfect_nestify): Adjust a call to
905 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
906 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
908 * tree-ssa-dce.c (remove_dead_phis): Likewise.
909 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
910 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
911 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
913 * combine.c (simplify_and_const_int): Use gen_int_mode instead
914 of GEN_INT (trunc_int_for_mode (...)).
915 * loop-iv.c (iv_number_of_iterations): Likewise.
916 * postreload.c (reload_cse_move2add): Likewise.
917 * simplify-rtx.c (simplify_const_unary_operation,
918 simplify_const_binary_operation): Likewise.
919 * stor-layout.c (get_mode_bounds): Likewise.
921 * fold-const.c (fold_binary): New.
922 (fold): Call fold_binary on binary expressions.
924 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
926 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
927 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
928 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
929 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
930 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
932 2005-03-04 Devang Patel <dpatel@apple.com>
934 PR tree-optimization/18815
935 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
936 loops with zero exit edges.
938 2005-03-04 Devang Patel <dpatel@apple.com>
940 * doc/invoke.texi: Remove reference to webpage that does not exist.
942 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
943 Joseph S. Myers <joseph@codesourcery.com>
946 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
947 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
948 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
949 * pa.c (get_plabel): Change argument to symbol_ref. Call
950 maybe_get_identifier instead of get_identifier.
951 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
952 (struct deferred_plabel): Replace name field with symbol field.
953 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
954 ASM_OUTPUT_EXTERNAL_REAL is defined.
955 (output_global_address): Use output_addr_const for output of all
957 (output_deferred_plabels): Use symbol_ref instead of name for address
959 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
960 ASM_OUTPUT_SYMBOL_REF): New macros.
961 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
963 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
966 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
968 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
969 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
971 2005-03-04 Jeff Law <law@redhat.com>
973 * basic-block.h (rediscover_loops_after_threading): Declare.
974 * tree-ssa-dom.c: Include cfgloop.h.
975 (tree_ssa_dominator_optimize): Discover loops and some basic
976 properties. Remove forwarder blocks recreated by loop header
977 canonicalization. Also mark backedges in the CFG.
978 * tree-ssa-threadupdate.c: Include cfgloop.h
979 (rediscover_loops_after_threading): Define.
980 (struct local_info): New field, JUMP_THREADED.
981 (prune_undesirable_thread_requests): New function.
982 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
983 then record that fact for the callers of redirct_edges.
984 (thread_block): If BB has incoming backedges, then call
985 prune_undesirable_thraed_requests. Note when we are
986 going to have to rediscover loop information. Return a
987 boolean indicating if any jumps were threaded.
988 (thread_through_all_blocks): Bubble up boolean indicating
989 if any jumps were threaded.
990 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
991 (tree-ssa-threadupdate.o): Similarly.
993 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
995 * fold-const.c (fold_ternary): Unroll the "for" loop to
998 2005-03-04 Andrew Haley <aph@redhat.com>
1000 * unwind-dw2-fde-glibc.c (struct
1001 unw_eh_callback_data.check_cache): New field.
1002 (frame_hdr_cache): New.
1003 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1004 Cache frame header info.
1006 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
1008 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1009 (print_c_condition): Declare.
1010 * read-rtl.c (ptr_loc): New structure.
1011 (ptr_locs, ptr_loc_obstack, joined_conditions)
1012 (joined_conditions_obstack): New variables.
1013 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1014 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1015 (join_c_conditions, print_c_condition): New functions.
1016 (apply_macro_to_string): Associate the new string with the same
1017 source location as the old one.
1018 (add_condition_to_string): Use join_c_conditions.
1019 (read_string): Use set_rtx_ptr_loc to record a filename and line
1020 number for the string.
1021 (read_rtx): Initialize the new variables above.
1022 * genattrtab.c (write_test_expr, write_attr_value): Use
1024 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
1025 comment above the GCC_VERSION check.
1026 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1027 Inline the definition of MAYBE_EVAL.
1028 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1029 * genoutput.c (process_template): Likewise.
1030 * genpreds.c (write_predicate_subfunction): Likewise.
1031 (write_predicate_expr): Use print_c_condition.
1032 * genrecog.c (write_cond): Likewise.
1033 * gensupport.c (process_rtx): Use join_c_conditions to join the
1034 conditions of a define_insn_and_split. Record a source location
1035 for the string after the "&&".
1036 (alter_test_for_insn): Use join_c_conditions.
1038 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
1041 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1042 PR tree-optimization/15784
1043 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1046 2005-03-04 Ben Elliston <bje@au.ibm.com>
1048 * gcc.c (option_map): Add --coverage.
1049 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1050 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1051 * config/darwin.h: Pass -lgcov for `coverage'.
1052 * doc/invoke.texi (Debugging Options): Document --coverage.
1054 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1056 * gcse.c (bypass_block): Use find_edge wherever possible.
1058 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
1062 * c-opts.c (c_common_parse_file): Call start_source_file
1063 and end_source_file at the approriate times.
1065 * dwarf2out.c (dwarf2out_finish): Don't auto-end
1066 the main file, it will be done for us now.
1068 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
1070 * fold-const.c (fold_ternary): New.
1071 (fold): Call fold_ternary on ternary expressions. Remove
1072 handling of ternary expressions.
1074 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
1076 PR tree-optimization/15784
1077 * fold-const.c (fold): Fold ~A + 1 to -A. Fold -A - 1
1080 2005-03-03 David Edelsohn <edelsohn@gnu.org>
1082 * config/rs6000/predicates.md (branch_comparison_operator):
1083 Convert from C block to conditional format.
1085 2005-03-03 Jan Hubicka <jh@suse.cz>
1087 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1088 and non-constant public variables.
1090 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
1092 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1095 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1098 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1099 calls to release_ssa_name and release_phi_node.
1101 * fold-const.c (fold): Remove handling of unary expressions.
1103 * fold-const.c (fold_unary): Avoid directly using the original
1104 expression t as much as possible.
1106 2005-03-03 Roger Sayle <roger@eyesopen.com>
1107 Andrew Pinski <pinskia@physics.uc.edu>
1109 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1110 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1112 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
1114 Describe special registers SRP and MOF as allocatable registers.
1115 * config/cris/cris.c (cris_md_asm_clobbers): New function.
1116 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1117 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1118 TARGET_HAS_MUL_INSNS.
1119 (cris_print_operand) <case 'd'>: New case.
1120 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1121 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1123 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1124 (REG_ALLOC_ORDER): Update for MOF.
1125 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1127 (GENERAL_REGS): No longer a define of ALL_REGS.
1128 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1129 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1131 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1132 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1133 (SECONDARY_RELOAD_CLASS): Define.
1134 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1135 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1136 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1137 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1138 (REGISTER_MOVE_COST): Define.
1139 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1140 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1141 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1142 (CRIS_MOF_REGNUM): New define_constants.
1143 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1145 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1147 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1148 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1149 Adjust for MOF being properly described as a register.
1150 (indir_to_reg_split): Name this split. Conditionalize on the
1151 destination register being a general register.
1152 (movei): Conditionalize on on operands 0 and 1 having the same
1155 2005-03-03 Alan Modra <amodra@bigpond.net.au>
1158 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1159 -mcpu to override any other explicitly given flags.
1161 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
1163 * recog.c (verify_changes, confirm_change_group): New functions,
1164 broken out of apply_change_group.
1165 (apply_change_group): Use them.
1166 * recog.h (verify_change, confirm_change_group): Declare.
1167 * rtl.h (redirect_jump_2): Declare.
1168 * jump.c (redirect_exp, invert_exp): Delete.
1169 (invert_exp_1): Take second parameter. Return value. Changed caller.
1170 (redirect_jump_2): New function, broken out of redirect_jump.
1171 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1172 (invert_jump): Use invert_jump_1 and redirect_jump_2.
1173 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1175 2005-03-02 Geoffrey Keating <geoffk@apple.com>
1177 * varasm.c (named_section): Use xstrdup rather than doing it by
1180 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1182 2005-03-02 Devang Patel <dpatel@apple.com>
1184 Undo PR tree-optimization/18815 fix.
1186 2005-03-02 Devang Patel <dpatel@apple.com>
1188 PR tree-optimization/18815
1189 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1190 loops with zero exit edges.
1192 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1194 * cfg.c (connect_src, connect_dest, disconnect_src,
1195 disconnct_dest): New.
1196 (unchecked_make_edge, remove_edge, redirect_edge_succ,
1197 redirect_edge_pred): Use the new functions.
1199 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1200 free_dominance_info only when needed.
1202 2005-03-02 David Edelsohn <edelsohn@gnu.org>
1205 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1206 (reg_or_sub_cint64_operand): Same.
1208 2005-03-02 Jeff Law <law@redhat.com>
1210 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1211 CFG_ALTERED in the main DOM iteration loop.
1213 2005-03-02 Mark Mitchell <mark@codesourcery.com>
1216 * varasm.c (initializer_constant_valid_p): Allow conversions
1217 between OFFSET_TYPEs. Tidy.
1219 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
1221 * config/cris/cris.md ("return"): Remove epilogue delay list
1224 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
1226 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1228 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1230 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
1232 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1233 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1234 config/m68k/m68k.c, config/mips/mips.h,
1235 config/rs6000/rs6000-protos.h, doc/contrib.texi,
1236 doc/include/gcc-common.texi: Update copyright.
1238 PR middle-end/18029 and PR middle-end/18030
1239 * expr.c (optimize_bitfield_assignment_op): Add a special case
1240 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1242 * fold-const.c (fold_unary): New.
1243 (fold): Call fold_unary on unary expressions.
1245 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
1247 * cgraph.h (struct cgraph_edge): Add prev_caller and
1249 (cgraph_node_remove_callees): Export.
1250 * cgraph.c (cgraph_create_edge): Initialize prev_caller
1252 (cgraph_edge_remove_callee): New function.
1253 (cgraph_edge_remove_caller): Likewise.
1254 (cgraph_remove_edge): Use.
1255 (cgraph_redirect_edge_callee): Likewise.
1256 (cgraph_node_remove_callees): New function.
1257 (cgraph_node_remove_callers): Likewise.
1258 (cgraph_remove_node): Use.
1259 * tree-optimize.c (tree_rest_of_compilation): Use
1260 cgraph_node_remove_callees instead of manual loop.
1261 * cgraphunit.c (cgraph_finalize_function): Likewise.
1262 (cgraph_expand_function): Likewise.
1263 (cgraph_remove_unreachable_nodes): Likewise.
1265 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
1268 * c-tree.h (undeclared_variable, build_external_ref): Add extra
1270 * c-decl.c (undeclared_variable): Take location as argument.
1271 * c-typeck.c (build_external_ref): Likewise.
1272 * c-parser.c (c_parser_postfix_expression): Pass location of
1273 identifier to build_external_ref.
1275 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1277 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1278 CCEQ mode for branch_positive_comparison_operator test.
1279 * config/rs6000/predicates (branch_comparison_operator): Revert to
1281 (scc_comparison_operator): Same.
1282 (branch_positive_comparison_operator): Same.
1284 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
1286 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1287 (cris_delay_slots_for_epilogue): Remove.
1288 (save_last): Move into cris_target_asm_function_epilogue.
1289 (cris_target_asm_function_epilogue): Remove tests for file being
1291 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1292 (cris_delay_slots_for_epilogue): Remove prototypes.
1293 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1294 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1296 2005-03-01 David Edelsohn <edelsohn@gnu.org>
1298 * config/rs6000/predicates.md (branch_comparison_operator): Change
1299 to define_special_predicate.
1300 (scc_comparison_operator): Same.
1301 (branch_positive_comparison_operator): Same.
1303 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
1305 * Makefile.in (tree-ssa-sink.o): New.
1306 (OBJS-common): Add tree-ssa-sink.o.
1307 * common.opt: Add -ftree-sink
1308 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1309 * timevar.def (TV_TREE_SINK): new timevar.
1310 * tree-flow.h (is_hidden_global_store): Prototype.
1311 * tree-optimize.c (init_tree_optimization_passes): Add
1313 * tree-pass.h (pass_sink_code): New.
1314 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1315 for non-obvious global store store to is_hidden_global_store, and
1316 call that new function.
1317 * tree-ssa-sink.c: New file.
1318 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1319 * doc/passes.texi: Document forward store motion.
1320 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1321 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1322 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1323 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1325 2005-03-01 Per Bothner <per@bothner.com>
1327 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1328 and we have a non-zero column-number, add it to the message.
1329 Also factor out the diagnostic_kind_text.
1331 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1333 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1334 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1335 flow_loop_scan): Removed.
1336 (flow_loop_dump): Do not dump removed fields.
1337 (flow_loop_free): Do not free removed fields.
1338 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
1339 (loop_exit_edge_p): New function.
1340 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1341 num_pre_header_edges, entry_edges, num_entries, exit_edges,
1342 num_exits, exits_doms.
1343 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1344 LOOP_EDGES, LOOP_ALL): Removed.
1345 (flow_loop_scan): Declaration removed.
1346 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1347 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1349 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1350 (if_convert): Call flow_loops_find and flow_loops_free
1351 when calling mark_loop_exit_edges.
1352 * cfgloopanal.c (mark_loop_exit_edges): Moved from
1353 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
1354 free_dominance_info calls.
1355 * loop-init.c (flow_loops_find): Ditto.
1356 * passes.c (rest_of_handle_branch_prob): Ditto.
1357 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1358 * loop-unroll.c (analyze_insns_in_loop): Do not use
1360 * predict.c (predict_loops): Do not call flow_loop_scan.
1361 Use get_loop_exit_edges.
1362 (tree_estimate_probability): Do not pass flags to flow_loops_find.
1363 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1364 Do not use EDGE_LOOP_EXIT.
1365 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1366 to bb_with_exit_edge_p.
1367 (if_convertible_loop_p): Do not call flow_loop_scan. Use
1368 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
1369 to bb_with_exit_edge_p.
1370 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
1372 * tree-loop-linear.c (linear_transform_loops): Do not call
1373 flow_loop_scan. Use loop->single_exit.
1374 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1375 (vect_analyze_loop_form): Do not call flow_loop_scan.
1376 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1378 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1380 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1381 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1382 slpeel_tree_duplicate_loop_to_edge_cfg,
1383 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1384 Use loop_preheader_edge and loop->single_exit. Do not call
1387 2005-03-01 Nick Clifton <nickc@redhat.com>
1389 * config/arm/arm.c (thumb_find_work_register): Check all of the
1390 argument registers to see if they are free, and a couple of
1391 special cases where the last argument register but can be proved
1392 to be available during the function's prologue.
1393 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1394 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1395 thumb_unexpanded_epilogue): Use unsigned long as the type for the
1397 (thumb_compute_save_reg_mask): Likewise. Also use
1398 thumb_find_work_register() to ensure that there is agreement about
1399 which work register is going to be used in the prologue.
1400 (thumb_output_function_prologue): Use unsigned long as the type
1401 for the register bit-mask. Also delay pushing the link register if
1402 other high registers are going to be pushed.
1403 (thumb_compute_save_reg_mask, emit_multi_reg_push,
1404 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1405 redundant prototypes.
1407 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
1410 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1411 and after reload in REG+REG indexed addresses without REG_POINTER
1412 set in the base and not set in the index.
1414 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1416 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1417 Don't undefine here.
1418 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1419 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1420 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1421 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1422 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1424 * config.gcc (sh*-*-linux*): Use config/linux.h.
1426 2005-02-28 Dale Johannesen <dalej@apple.com>
1427 Stan Shebs <shebs@apple.com>
1429 Rewrite of 64-bit Darwin structure-by-value pass/return.
1430 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1431 intoffset, use_stack, named.
1432 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
1433 (rs6000_darwin64_record_arg_advance_flush): New.
1434 (rs6000_darwin64_record_arg_advance_recurse): New.
1435 (rs6000_darwin64_record_arg_flush): New.
1436 (rs6000_darwin64_record_arg_recurse): New.
1437 (rs6000_darwin64_record_arg): New.
1438 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
1439 (function_arg_boundary): Handle 128-bit aligned structs.
1440 (function_arg_advance): Rewrite darwin64 struct handling.
1441 (function_arg): Call rs6000_darwin64_record_arg.
1442 (function_arg_partial_nregs): Handle darwin64 structs.
1443 (rs6000_darwin64_function_value): Remove.
1444 (rs6000_function_value): Call rs6000_darwin64_record_arg.
1446 2005-02-28 Roger Sayle <roger@eyesopen.com>
1448 PR tree-optimization/20216
1449 * tree-chrec.c (tree_fold_factorial): Delete.
1450 (tree_fold_binomial): Change argument list to take a return type
1451 and change the type of K to unsigned int. Rewrite to avoid explicit
1452 evaluation of factorials, and (recursively) calling fold to perform
1453 compile-time arithmetic. Return NULL on (internal) overflow.
1454 (chrec_evaluate): Change type of K to an unsigned int. Avoid
1455 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
1456 if any intermediate calculation overflows.
1457 (chrec_apply): Update call to chrec_evaluate.
1459 2005-02-28 James E Wilson <wilson@specifixinc.com>
1461 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1463 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
1466 * c-parser.c (c_parser_compound_statement): Return error_mark_node
1467 instead of NULL_TREE on error.
1469 2005-02-28 David Edelsohn <edelsohn@gnu.org>
1471 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1472 (EASY_VECTOR_15_ADD_SELF): Remove.
1473 (num_insns_constant_wide): Not static.
1474 (validate_condition_mode): Not static.
1475 (toc_relative_expr_p): Not static.
1476 (legitimate_indirect_address_p): Not static.
1477 (macho_lo_sum_memory_operand): Not static.
1478 (invalid_e500_subreg): Not static.
1479 (easy_vector_same): Not static.
1480 (easy_vector_splat_const): Not static.
1481 (RS6000_SYMBOL_REF_TLS_P): Remove.
1482 (any_operand): Delete.
1483 (any_parallel_operand): Delete.
1484 (count_register_operand): Delete.
1485 (altivec_register_operand): Delete.
1486 (xer_operand): Delete.
1487 (s8bit_cint_operand): Delete.
1488 (short_cint_operand): Delete.
1489 (u_short_cint_operand): Delete.
1490 (non_short_cint_operand): Delete.
1491 (exact_log2_cint_operand): Delete.
1492 (gpc_reg_operand): Delete.
1493 (cc_reg_operand): Delete.
1494 (cc_reg_not_cr0_operand): Delete.
1495 (reg_or_short_operand): Delete.
1496 (reg_or_neg_short_operand): Delete.
1497 (reg_or_aligned_short_operand): Delete.
1498 (reg_or_u_short_operand): Delete.
1499 (reg_or_cint_operand): Delete.
1500 (reg_or_arith_cint_operand): Delete.
1501 (reg_or_add_cint64_operand): Delete.
1502 (reg_or_sub_cint64_operand): Delete.
1503 (reg_or_logical_cint_operand): Delete.
1504 (got_operand): Delete.
1505 (got_no_const_operand): Delete.
1506 (easy_fp_constant): Delete.
1507 (easy_vector_constant): Delete.
1508 (easy_vector_constant_add_self): Delete.
1509 (zero_constant): Delete.
1510 (zero_fp_constant): Delete.
1511 (volatile_mem_operand): Delete.
1512 (offsettable_mem_operand): Delete.
1513 (mem_or_easy_const_operand): Delete.
1514 (add_operand): Delete.
1515 (non_add_cint_operand): Delete.
1516 (logical_operand): Delete.
1517 (non_logical_cint_operand): Delete.
1518 (mask_operand): Delete.
1519 (mask_operand_wrap): Delete.
1520 (mask64_operand): Delete.
1521 (mask64_2_operand): Delete.
1522 (and64_operand): Delete.
1523 (and64_2_operand): Delete.
1524 (and_operand): Delete.
1525 (reg_or_mem_operand): Delete.
1526 (lwa_operand): Delete.
1527 (symbol_ref_operand): Delete.
1528 (call_operand): Delete.
1529 (current_file_function_operand): Delete.
1530 (input_operand): Delete.
1531 (rs6000_nonimmediate_operand): Delete.
1532 (rs6000_tls_symbol_ref): Delete.
1533 (save_world_operation): Delete.
1534 (restore_world_operation): Delete.
1535 (load_multiple_operation): Delete.
1536 (store_multiple_operation): Delete.
1537 (vrsave_operation): Delete.
1538 (mfcr_operation): Delete.
1539 (mtcrf_operation): Delete.
1540 (lmw_operation): Delete.
1541 (stmw_operation): Delete.
1542 (branch_comparison_operator): Delete.
1543 (branch_positive_comparison_operator): Delete.
1544 (scc_comparison_operator): Delete.
1545 (trap_comparison_operator): Delete.
1546 (boolean_operator): Delete.
1547 (boolean_or_operator): Delete.
1548 (min_max_operator): Delete.
1549 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1550 (EASY_VECTOR_15): Moved to here.
1551 (EASY_VECTOR_15_ADD_SELF): Move to here.
1552 (PREDICATE_CODES): Delete.
1553 * config/rs6000/rs6000-protos.h: Delete predicate functions.
1554 Declare functions no longer static.
1555 * config/rs6000/predicates.md: New.
1556 * config/rs6000/rs6000.md: Include predicates.md
1558 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
1560 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
1561 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1563 * cfgrtl.c (need_fake_edge_p): Likewise.
1564 * combine.c (distribute_notes): Likewise.
1565 * emit-rtl.c (try_split): Likewise.
1566 * recog.c (peephole2_opimize): Likewise.
1567 * reg-notes.def (ALWAYS_RETURN): Remove.
1568 * rtl.h (LCT_ALWAYS_RETURN): Remove.
1569 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1570 * tree.h (ECF_ALWAYS_RETURN): Remove.
1572 2005-02-28 Roger Sayle <roger@eyesopen.com>
1575 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1576 between different machine modes is never a "useless" conversion.
1578 2005-02-28 Geert Bosch <bosch@gnat.com>
1581 * doc/contrib.texi: List contributors for Ada front end
1583 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1585 * simplify-rtx.c (simplify_unary_operation_1,
1586 simplify_const_unary_operation): New, extracted from...
1587 (simplify_unary_operation): ... this one.
1588 (simplify_binary_operation_1,
1589 simplify_const_binary_operation): New, extracted from...
1590 (simplify_binary_operation): ... this one.
1591 * rtl.h (simplify_const_unary_operation,
1592 simplify_const_binary_operation): Add prototypes.
1594 2005-02-28 Julian Brown <julian@codesourcery.com>
1596 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1597 building libjava and caused PR regression/20228.
1599 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1602 * Makefile.in (host_subdir): New.
1603 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
1604 * configure: Regenerate.
1606 2005-02-27 Zack Weinberg <zack@codesourcery.com>
1608 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1609 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1610 installation directory first.
1612 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
1615 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1616 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1617 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1618 * config/cris/cris.md: Tweak comments referring to Q.
1619 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1620 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1621 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1622 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1623 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1624 Insert spaces in constraints to align alternatives vertically for
1626 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
1629 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1631 PR rtl-optimization/17728
1632 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1633 operand 0 from general_operand to move_dest_operand.
1635 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1637 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1638 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1639 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1640 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1642 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
1644 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1645 * configure: Regenerate.
1646 * libada-mk.in: Remove CC; rename
1647 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1649 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
1652 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1653 for the lhs, also walk over the tree. Likewise for rhs.
1655 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1657 * tree-ssa-dom.c (simple_iv_increment_p): New function.
1658 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1659 Do not propagate value of iv before increment over the increment.
1661 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
1663 * c-parser.c: New file.
1664 * c-parse.in: Remove.
1665 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1667 (c-parser.o): Add dependencies.
1668 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1669 maintainer-clean, TAGS): Update.
1670 * c-config-lang.in (gtfiles): Update.
1671 * gengtype-lex.l: Don't handle "@@".
1672 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1673 objc_build_synchronized, objc_begin_try_stmt,
1674 objc_begin_catch_clause, objc_finish_catch_clause,
1675 objc_build_finally_clause, objc_finish_try_stmt): New.
1676 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1678 (c_parse_init): Update comment.
1679 * c-decl.c (c_init_decl_processing): Update comment.
1680 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1681 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1682 new c_declspecs members.
1684 2005-02-25 Julian Brown <julian@codesourcery.com>
1686 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1687 from being used for symbols with vague linkage when
1688 HAVE_GAS_COMDAT_GROUP is true.
1690 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1692 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1694 2005-02-25 Steve Ellcey <sje@cup.hp.com>
1697 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1698 (LIBGCC2_HAS_DF_MODE): New.
1699 (LIBGCC2_HAS_XF_MODE): New.
1700 (LIBGCC2_HAS_TF_MODE): New.
1701 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1702 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1703 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1704 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1705 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1706 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1707 and add _fixtfdi, _fixunstfdi, _floatditf
1708 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1709 L_fixunstfdi, L_floatditf.
1710 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1711 (LIBGCC2_HAS_TF_MODE): Define.
1713 2005-02-25 Diego Novillo <dnovillo@redhat.com>
1715 PR tree-optimization/20204
1716 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1717 REWRITE_THIS_STMT markers on PHI nodes.
1718 (rewrite_initialize_block): Likewise.
1720 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1722 * version.c (version_string): Update to 4.1.
1724 2005-02-25 Paolo Carlini <pcarlini@suse.de>
1726 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1727 Clarify that the alternative way doesn't work in GNU C++.
1729 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
1731 PR tree-optimization/19937
1732 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1733 to the type of the induction variable.
1735 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
1737 PR rtl-optimization/20117
1738 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1739 the block including noncopyable insn.
1741 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
1743 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1744 calls to find_reg_note.
1746 2005-02-24 Richard Henderson <rth@redhat.com>
1749 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1752 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
1754 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1755 vector types if to use base reg for misaligned non-word ld/std.
1757 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
1760 * config/cris/cris.c (cris_target_asm_function_prologue): Create
1761 dwarf2 label manually and put it after, not before the prologue.
1763 2005-02-24 David Edelsohn <edelsohn@gnu.org>
1766 * reload.c (operands_match_p): Only increment register number for
1767 SCALAR_INT_MODE_P modes in multiple hard registers.
1769 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1772 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1774 * ChangeLog.5: Fix log message typo(s).
1775 * ChangeLog.7: Likewise.
1776 * ChangeLog.tree-ssa: Likewise.
1777 * cfgexpand.c: Fix comment typo(s).
1778 * conflict.c: Likewise.
1779 * defaults.h: Likewise.
1780 * dwarf2out.c: Likewise.
1782 * ggc-page.c: Likewise.
1783 * tree-eh.c: Likewise.
1784 * tree-ssa-dom.c: Likewise.
1786 2005-02-24 Jakub Jelinek <jakub@redhat.com>
1789 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1790 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1791 if SHARED is defined.
1794 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1795 allow splitting only if operands 0 and 3 don't overlap.
1797 2005-02-24 Richard Henderson <rth@redhat.com>
1800 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1801 (fold_builtin_1): Call them.
1802 * fold-const.c (fold_complex_mult_parts): Split out from ...
1803 (fold_complex_mult): ... here. Fix typo in both imaginary case.
1804 (fold_complex_div_parts, fold_complex_div): New.
1806 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1808 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1810 * tree-ssa-ccp.c (visit_assignment): Verify that result of
1811 VIEW_CONVERT_EXPR is_gimple_min_invariant.
1813 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1814 (print_node): Likewise.
1815 Print TYPE_SIZES_GIMPLIFIED.
1817 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
1819 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1820 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1821 operands as commutative in constraints.
1823 2005-02-24 Diego Novillo <dnovillo@redhat.com>
1825 * tree-into-ssa.c: Re-organize internal functions.
1827 2005-02-24 Richard Henderson <rth@redhat.com>
1830 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1832 * common.opt (fcx-limited-range): New.
1833 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1834 * toplev.c (flag_complex_method): Initialize to 1.
1835 (process_options): Set flag_complex_method to 0 if
1836 flag_cx_limited_range.
1837 * doc/invoke.texi (-fcx-limited-range): New.
1839 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
1841 * cse.c (delete_trivially_dead_insns): Speed up by using
1842 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1845 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
1847 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1848 functions when -mid-shared-library is being used.
1850 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
1852 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1853 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1854 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1855 * system.h: Poison LINK_LIBGCC_SPECIAL.
1857 2005-02-23 James E Wilson <wilson@specifixinc.com>
1859 * gengtype.c (note_insn_name): Make 1 element larger.
1861 2005-02-23 Roger Sayle <roger@eyesopen.com>
1864 PR rtl-optimization/20097
1865 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1866 BImode SUBREGs of SImode registers which confuse the ia64 backend.
1868 2005-02-23 David Edelsohn <edelsohn@gnu.org>
1870 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1871 * t-aix52 (SHLIB_INSTALL): Same.
1873 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
1875 * genpreds.c: Update copyright.
1877 2005-02-23 Michael Beach <michaelb@ieee.org>
1880 * config/sparc/t-elf (startup files): Assemble with CPP.
1882 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
1884 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1885 (write_predicate_expr): Likewise.
1887 2005-02-22 Diego Novillo <dnovillo@redhat.com>
1889 PR tree-optimization/20100
1890 PR tree-optimization/20115
1891 * tree-optimize.c (init_tree_optimization_passes): Remove
1892 pass_maybe_create_global_var.
1893 * tree-pass.h (pass_maybe_create_global_var): Remove.
1894 * tree-ssa-alias.c (aliases_computed_p): Declare.
1895 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1896 (count_calls_and_maybe_create_global_var): Remove.
1897 (pass_maybe_create_global_var): Remove.
1898 (init_alias_info): Do not declare aliases_computed_p.
1899 (maybe_create_global_var): If the function contains no
1900 call-clobbered variables and a mix of pure/const and regular
1901 function calls, create .GLOBAL_VAR.
1902 Mark all call-clobbered variables for renaming.
1903 (merge_pointed_to_info): Update comment.
1904 (add_pointed_to_var): Likewise.
1905 (is_escape_site): Likewise.
1906 Accept struct alias_info * instead of size_t *.
1908 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1910 * tree-ssa-operands.c (get_call_expr_operands): If
1911 ALIASES_COMPUTED_P is false, do not add call-clobbering
1913 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1914 (delete_tree_ssa): Likewise.
1916 2005-02-22 James E Wilson <wilson@specifixinc.com>
1918 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1919 (do_compile): Do call it here.
1921 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
1923 PR rtl-optimization/20017.
1924 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1925 rest_of_handle_cse2, rest_of_handle_gcse): Call
1926 delete_dead_jumptables immediately before calling cleanup_cfg.
1928 2005-02-22 Devang Patel <dpatel@apple.com>
1931 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1934 2005-02-22 David Edelsohn <edelsohn@gnu.org>
1936 * config/rs6000/aix.h (WINT_TYPE): Define.
1938 2005-02-22 Stan Shebs <shebs@apple.com>
1940 * config/rs6000/rs6000.c (rs6000_override_options): Default to
1941 natural alignment for 64-bit Darwin.
1942 (rs6000_parse_alignment_option): Warn about uses of -malign-power
1944 * doc/invoke.texi: Document this.
1946 2005-02-22 DJ Delorie <dj@redhat.com>
1948 * c-common.c (c_common_type_for_mode): Pass the mode's precision
1949 to make_[un]signed_type, not the mode itself.
1951 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
1953 * cfg.c (cached_make_edge): Call make_edge if edge cache is
1954 not available. Use tail calls wherever possible.
1955 (make_edge): Call unchecked_make_edge to create an edge.
1957 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1958 (coalesce_ssa_name): Don't check for
1959 SSANORM_USE_COALESCE_LIST.
1960 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1962 2005-02-22 Diego Novillo <dnovillo@redhat.com>
1964 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1965 (rewrite_into_ssa): ... here.
1967 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
1969 PR tree-optimization/19786
1970 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1971 tag to another's may-alias bitmap when adding to the other's list.
1973 2005-02-21 DJ Delorie <dj@redhat.com>
1975 * tree-ssa-loop-ivopts.c (computation_cost): Start register
1976 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1977 registers in unsupported ways.
1978 * expmed.c (init_expmed): Likewise.
1980 2005-02-21 Stan Cox <scox@redhat.com>
1982 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1984 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
1986 * tree-cfg.c (fold_cond_expr_cond): New.
1987 (make_edges): Call fold_cond_expr_cond.
1988 (find_taken_edge): Accept nothing but INTEGER_CST.
1989 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1991 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1993 * flow.c (delete_dead_jumptables): Speed up by scanning insns
1994 that do not belong to any basic block.
1996 2005-02-21 Jeff Law <law@redhat.com>
1998 * cfganal.c (find_unreachable_blocks): Manually CSE load of
2001 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
2003 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2004 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2005 Adjust their definitions.
2006 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2007 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2009 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2010 genautomata.c, langhooks.c, langhooks.h, system.h,
2011 config/arm/lib1funcs.asm: Update copyright.
2013 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
2015 * dbxout.c (dbxout_function_end): Emit Lscope label always.
2017 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
2020 * doc/install.texi: Document --with-gc.
2022 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
2024 * simplify-rtx.c (simplify_unary_operation): Add a missing
2027 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2029 PR tree-optimization/18663
2030 * tree-ssa-dom.c (extract_range_from_cond): Return 0
2031 if the type has variable bounds.
2033 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
2035 * gcse.c: Remove an obsolete comment.
2037 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2039 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
2041 * doc/extend.texi (Function Attributes) <Attribute const>: The
2042 attribute "pure" is below this text, not above.
2044 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2046 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2047 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2048 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2050 2005-02-20 Zack Weinberg <zack@codesourcery.com>
2053 * langhooks.h (struct lang_hooks): Add to_target_charset.
2054 * langhooks.c (lhd_to_target_charset): New function.
2055 * langhooks-def.h: Declare lhd_to_target_charset.
2056 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2057 (LANG_HOOKS_INITIALIZER): Update.
2058 * c-common.c (c_common_to_target_charset): New function.
2059 * c-common.h: Declare it.
2060 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2061 c_common_to_target_charset.
2063 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2064 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2066 * system.h: Poison them.
2067 * doc/tm.texi: Don't discuss them.
2068 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2069 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2070 (pp_c_char): Do not attempt to generate letter escapes for
2072 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2073 * config/mips/mips.c (mips_output_ascii): Likewise.
2075 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
2077 PR tree-optimization/19951
2078 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2081 2005-02-19 Steven Bosscher <stevenb@suse.de>
2084 * function.h (struct function): New field `max_loop_depth'.
2085 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2086 (flow_loops_find): Reset the max loop depth count before finding loops.
2087 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2088 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2089 (calculate_global_regs_live): Make sure the loop will terminate
2090 when the initial sets are not empty.
2092 2005-02-19 Zack Weinberg <zack@codesourcery.com>
2094 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2096 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2098 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
2101 * doc/invoke.texi: Remove documentation of %M spec.
2103 (init_spec): Remove %M suffix from -lgcc_s.
2104 (do_spec_1): Remove 'M' case.
2105 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
2106 to put shared libraries in the multilib directory. Remove the
2107 shlib_so_soname substitution variable. Don't add a multilib encoding
2108 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
2109 reported by -print-multi-os-directory. Pass @multilib_dir@ to
2110 SHLIB_INSTALL as well as SHLIB_LINK.
2111 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2112 (SHLIB_NAME): Delete.
2113 (SHLIB_DIR): New macro.
2114 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2115 (SHLIB_INSTALL): Adjust accordingly.
2116 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2117 * config/t-slibgcc-sld: Likewise.
2118 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2119 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2120 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2122 (SHLIBUNWIND_INSTALL): Adjust accordingly.
2123 * config/i386/t-nwld (SHLIB_SONAME): Delete.
2124 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2125 Use @shlib_base_name@ instead of @shlib_so_name@.
2126 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2127 and @shlib_base_name@.so in @multilib_dir@.
2128 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
2129 to the install path.
2130 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2131 (SHLIB_LINK): Remove previous workaround.
2132 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2133 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2134 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
2136 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2137 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
2138 (SHLIB_INSTALL): Adjust accordingly.
2139 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2140 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2141 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2142 config/t-slibgcc-elf-ver.
2144 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
2145 Jakub Jelinek <jakub@redhat.com>
2147 PR tree-optimization/19828
2148 * tree-ssa-loop-im.c: Add a TODO comment.
2149 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2150 without side-effects.
2152 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2154 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2157 2005-02-18 James E. Wilson <wilson@specifixinc.com>
2159 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2160 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2161 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2163 (ia64_reorg): Delete fixup_errata call.
2164 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2165 (TARGET_SWITCHES): Delete -mb-step entry.
2167 2005-02-19 Jakub Jelinek <jakub@redhat.com>
2170 * c-typeck.c (composite_type): Handle quals in transparent unions.
2171 (type_lists_compatible_p): Likewise.
2173 2005-02-18 Stan Shebs <shebs@apple.com>
2175 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2176 expressions in the .literal8 section.
2178 2005-02-18 Geoffrey Keating <geoffk@apple.com>
2180 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2182 2005-02-18 Roger Sayle <roger@eyesopen.com>
2184 * fold-const.c (constant_boolean_node): Always create values of the
2185 specified type, don't bother calling truthvalue_conversion.
2187 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2189 * except.c (output_function_exception_table): Call
2190 assemble_external_libcall (eh_personality_libfunc).
2192 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2195 * config/ia64/ia64.h (struct machine_function): Add state_num.
2196 * config/ia64/ia64.c (process_epilogue,
2197 process_for_unwind_directive): Use new unwind state numbers each
2198 time rather than state 1.
2200 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
2203 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2204 before the "*llgt_didi" pattern.
2206 2005-02-18 Jason Merrill <jason@redhat.com>
2208 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2210 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
2212 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2213 (div0): Use it in place of ARM_FUNC_ALIAS.
2214 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2216 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2219 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2220 access, the lower bound of the array type if it exists.
2222 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
2225 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2226 cases that are out-of-range for the index type.
2228 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
2230 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2231 (estimate_case_costs): Don't call convert.
2232 * expmed.c (expand_shift): Likewise.
2233 (make_tree): Call fold_convert instead of convert.
2235 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2238 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2239 that ref to be marked MEM_READONLY_P doesn't have base that needs
2242 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
2244 * genautomata.c (output_get_cpu_unit_code_func,
2245 output_cpu_unit_reservation_p): Don't generate old-style function
2248 2005-02-18 Jakub Jelinek <jakub@redhat.com>
2251 PR tree-optimization/20009
2252 * convert.c (convert_to_integer): Revert 2005-02-16 change.
2254 PR tree-optimization/18947
2255 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2256 inline, remove all nodes that are inlined into the extern inline
2259 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2261 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2262 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2263 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2264 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2267 2005-02-17 Roger Sayle <roger@eyesopen.com>
2269 PR tree-optimization/19917
2270 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2271 to be potentially trapping.
2273 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
2275 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2277 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
2279 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2280 tem becomes a local variable which is set to the value of the
2281 back end defined INITIAL_FRAME_ADDRESS macro.
2282 (expand_builtin_frame_address): Omit the base parameter to
2283 expand_builtin_return_addr.
2284 (expand_builtin_profile_func): Likewise.
2285 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2286 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2287 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2289 2005-02-17 Jakub Jelinek <jakub@redhat.com>
2291 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2292 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2293 * config/frv/frv.c (frv_function_epilogue): Likewise.
2295 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
2297 * lambda-code (perfect_nestify): Remove mark/unmark
2299 * tree-loop-linear.c (linear_transform_loops): Add
2300 rewrite_into_ssa call so that ssa is correct for
2301 rewriting into loop closed.
2303 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
2305 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2306 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2308 * bt-load.c (btr_def_live_range, combine_btr_defs,
2309 migrate_btr_def, migrate_btr_defs): Likewise.
2310 * cfgcleanup.c (thread_jump): Likewise.
2311 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2312 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2313 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2314 df_rd_local_compute, df_reg_info_compute): Likewise.
2315 * dominance.c (init_dom_info, free_dom_info): Likewise.
2316 * flow.c (init_propagate_block_info,
2317 free_propagate_block_info): Likewise.
2318 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2319 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2320 modify_reg_pav): Likewise.
2321 * loop-invariant.c (find_defs, find_invariant_insn,
2322 find_invariants, free_inv_motion_data): Likewise.
2323 * predict.c (tree_predict_by_opcode,
2324 estimate_bb_frequencies): Likewise.
2325 * stmt.c (expand_case): Likewise.
2326 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2327 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2328 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2329 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2330 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2331 rewrite_ssa_into_ssa): Likewise.
2332 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2333 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2334 analyze_edges_for_bb, perform_edge_inserts): Likewise.
2335 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2336 * tree-sra.c (tree_sra): Likewise.
2337 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2338 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2339 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2340 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2341 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2342 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2344 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2345 calculate_live_on_entry, calculate_live_on_exit,
2346 build_tree_conflict_graph): Likewise.
2347 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2348 record_important_candidates, set_use_iv_cost, find_depends,
2349 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2350 tree_ssa_iv_optimize_finalize): Likewise.
2351 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2352 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2353 tree_duplicate_loop_to_header_edge): Likewise.
2354 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2355 * tree-ssa.c (verify_flow_insensitive_alias_info,
2356 verify_name_tags, verify_ssa, init_tree_ssa,
2357 delete_tree_ssa): Likewise.
2358 * tree-ssanames.c (marked_ssa_names, init_ssanames,
2359 fini_ssanames): Likewise.
2360 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2362 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
2364 * config/rs6000/t-rtems: Completely reworked.
2366 2005-02-17 Ira Rosen <irar@il.ibm.com>
2368 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2370 2005-02-17 Ira Rosen <irar@il.ibm.com>
2372 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2373 POINTER_TYPE_P when checking that type is a pointer.
2374 (vect_get_memtag): Remove.
2375 (vect_address_analysis): Use POINTER_TYPE_P. Call
2376 vect_object_analysis with dummy parameter for memtag.
2377 (vect_object_analysis): Extract memtag (functionality that
2378 used to be in vect_get_memtag and moved here). Fix printings.
2379 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2380 with correct parameters. Remove call to vect_get_memtag.
2382 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
2384 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2385 (tree-vectorizer.o): Added missing dependencies.
2387 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2389 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2390 declaration in tree-vectorizer.c, now has an extern declaration in
2392 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2393 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2394 get_vectype_for_scalar_type, vect_is_simple_use,
2395 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2396 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2397 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2398 vectorizable_store, vectorizable_operation, vectorizable_assignment,
2399 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2400 find_loop_location): Likewise.
2402 * tree-vectorizer.c (langhooks.h): #include removed.
2403 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2404 moved to tree-vectorized.h.
2405 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2406 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2407 get_vectype_for_scalar_type, vect_is_simple_use,
2408 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2409 vect_supportable_dr_alignment, new_loop_vec_info,
2410 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2411 vect_set_verbosity_level, find_loop_location): Likewise.
2413 (vect_analyze_loop): Function externalized. Declaration moved to
2414 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2415 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2416 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2417 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2418 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2419 vect_enhance_data_refs_alignment, vect_analyze_operations,
2420 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2421 vect_stmt_relevant_p, vect_get_loop_niters,
2422 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2423 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2424 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2425 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2426 vect_get_memtag): Likewise.
2428 (vectorizable_load): Function externalized. Declaration moved to
2429 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2430 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2431 vect_transform_loop): Likewise.
2432 (vect_transform_stmt): Moved to tree-vect-transform.c.
2433 (vect_align_data_ref, vect_create_destination_var,
2434 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2435 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2436 vect_get_vec_def_for_operand, vect_init_vector,
2437 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2438 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2439 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2440 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2441 vect_do_peeling_for_loop_bound): Likewise.
2443 * tree-vect-analyze.c: New file.
2444 * tree-vect-transform.c: New file.
2446 2005-02-17 Jason Merrill <jason@redhat.com>
2448 PR mudflap/19319, c++/19317
2449 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2452 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
2454 * doc/install.texi (Specific): Update link for Darwin-specific
2457 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
2459 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2460 constant_boolean_node.
2462 2005-02-16 David Edelsohn <edelsohn@gnu.org>
2465 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2466 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2468 2005-02-16 Richard Henderson <rth@redhat.com>
2471 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2473 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2474 replace uses with Wtype_MAXp1_F.
2475 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2476 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2477 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2478 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2479 and HAVE_TFMODE as appropriate.
2480 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2481 (__floatdisf): Likewise.
2482 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2483 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2484 (Wtype_MAXp1_F): New.
2485 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2486 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2488 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
2491 * arm.c (arm_apply_result_size): New function.
2492 * arm.h (APPLY_RESULT_SIZE): Define.
2493 * arm-protos.h (arm_apply_result_size): Add prototype.
2494 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2495 (movxf): New expand.
2496 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2497 (call_value_symbol): Remove predicate for operand 0.
2498 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2499 (untyped_call): Rework to correclty return values for any type.
2500 (untyped_return): New expand.
2501 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2503 2005-02-16 Stan Shebs <shebs@apple.com>
2505 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2506 * config/rs6000/t-darwin8: New, for 64-bit multilib.
2508 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2510 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2511 configure settings on Solaris 7 and later.
2513 2005-02-16 Diego Novillo <dnovillo@redhat.com>
2515 PR tree-optimization/19865
2516 * tree-optimize.c (init_tree_optimization_passes): Run
2517 pass_may_alias after pass_sra.
2519 2005-02-16 Richard Henderson <rth@redhat.com>
2520 Stuart Hastings <stuart@apple.com>
2523 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2524 Do nothing if debug info suppressed for this function.
2525 (dbxout_begin_function): Early exit if debug info suppressed for
2528 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
2531 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2533 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2535 PR tree-optimization/19967
2536 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2537 expand_builtin_strchr, expand_builtin_strrchr): Take a new
2538 argument TYPE. Adjust calls to fold_builtin_XXX.
2539 (expand_builtin, fold_builtin_1): Adjust calls to
2541 (fold_builtin_strchr, fold_builtin_strpbrk,
2542 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2543 result to a requested type TYPE.
2545 2005-02-16 Jakub Jelinek <jakub@redhat.com>
2548 * fold-const.c (fold): Don't optimize (T)(x & cst) to
2549 (T)x & (T)cst if (T)cst overflows.
2550 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2551 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2553 2005-02-15 Jeff Law <law@redhat.com>
2555 * gcse.c (blocks_with_calls): New bitmap.
2556 (alloc_gcse_mem): Allocate it.
2557 (free_gcse_mem): Free it.
2558 (clear_modifY_mem_tables): Clear it.
2559 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2560 when we encounter CALL_INSNs.
2561 (compute_transp, case MEM): Handle blocks with calls separate
2562 from blocks without calls. Use bitmap iterators rather than
2565 2005-02-15 Peter O'Gorman <peter@pogma.com>
2568 * mklibgcc.in (vis_hide): Use a temporary object file, not
2571 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
2574 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2575 access optimization.
2577 2005-02-15 David Edelsohn <edelsohn@gnu.org>
2578 Alan Modra <amodra@bigpond.net.au>
2581 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2582 (_xlqsub): Rename to __gcc_qsub.
2583 (_xlqmul): Rename to __gcc_qmul.
2584 (_xlqdiv): Rename to __gcc_qdiv.
2585 Provide versioned symbol aliases with old names.
2586 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2587 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2588 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2589 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2590 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2592 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2594 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
2595 Fold ~(A - 1) and ~(A + -1) to -A.
2597 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2601 * config/host-linux.c (linux_gt_pch_use_address): Copy from
2602 config/pa/pa-host.c:pa_gt_pch_use_address.
2604 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
2606 * tree-vn.c (get_value_handle): Make sure that given an
2607 is_gimple_min_invariant expression, we always return it.
2609 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2611 * passes.c (rest_of_handle_gcse): Fix a comment.
2613 2005-02-15 Jeff Law <law@redhat.com>
2615 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2617 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2618 (canon_list_insert, record_last_mem_set_info): Similarly.
2619 (clear_modify_mem_tables): Similarly.
2621 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2623 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2624 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2625 config/mips/mips.md, config/rs6000/aix.h,
2626 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2628 2005-02-15 Richard Henderson <rth@redhat.com>
2630 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2631 call to be best_edge.
2633 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2635 * basic-block.h: Adjust the prototype for find_basic_blocks.
2636 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2637 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2640 * flow.c (recompute_reg_usage): Remove all arguments.
2641 * passes.c (rest_of_compilation): Adjust the call to
2642 recompute_reg_usage.
2643 * rtl.h: Adjust the prototype for recompute_reg_usage.
2645 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
2647 * tree-dump.c (dump_files): Update to reflect new member
2649 (dump_register): Add new argument.
2651 (dump_switch_p_1): Check against glob name if doglob was passed.
2652 (dump_switch_p): Check against regular first, then glob if
2653 we didn't have any hits on the dump name.
2654 * tree-optimize.c (register_one_dump_file):
2655 Pass in glob name as well.
2656 * tree-pass.h (struct dump_file_info): Add glob
2659 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
2661 PR preprocessor/16323
2662 * doc/invoke.texi: Document that -Wendif-labels is on by default.
2664 2005-02-14 David Edelsohn <edelsohn@gnu.org>
2667 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2668 (trunctfdf2_internal1): New.
2669 (trunctfdf2_internal2): Renamed from trunctfdf2.
2671 2005-02-14 Diego Novillo <dnovillo@redhat.com>
2673 PR tree-optimization/19853
2674 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2676 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2678 * passes.c (rest_of_handle_loop_optimize): Remove calls to
2679 delete_dead_jumptables and cleanup_cfg.
2681 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
2683 * reload.c (find_reloads): Swap address_reloaded flags when
2684 swapping commutative operands.
2686 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
2688 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2689 Use standard_iv_increment_position for computing the bsi position
2691 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2694 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2697 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2698 life range of hard registers.
2699 * value-prof.c (insn_prefetch_values_to_profile): Only
2702 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2703 profile in libcalls.
2705 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
2707 * bitmap.h (bitmap_and_compl_into): Return bool.
2708 * bitmap.c (bitmap_and_compl_into): Return changed flag.
2710 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
2712 PR tree-optimization/19944
2713 * fold-const.c (fold): Re-add ABS_EXPR folding.
2715 2005-02-13 David Edelsohn <edelsohn@gnu.org>
2718 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2719 {TARGET,MASK}_XL_COMPAT.
2720 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
2722 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2723 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2725 (rs6000_arg_partial_bytes): Same.
2726 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2727 and XL compatibility enabled.
2728 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2729 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2730 test to final condition.
2731 (cmptf_internal2): New.
2732 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2733 xl-compat. Add TFmode information to description.
2735 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
2737 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2739 2005-02-13 Jason Merrill <jason@redhat.com>
2742 * fold-const.c (fold_indirect_ref_1): Split out from...
2743 (build_fold_indirect_ref): Here.
2744 (fold_indirect_ref): New fn.
2745 * tree.h: Declare it.
2746 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2747 (gimplify_modify_expr_rhs): Likewise.
2748 (gimplify_expr): Likewise.
2750 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
2752 PR tree-optimization/14303
2753 PR tree-optimization/15784
2754 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2755 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
2756 ABS_EXPR<x> != 0 to x != 0.
2758 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
2760 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2761 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
2762 spelling conventions.
2764 * passes.c (rest_of_handle_gcse): Don't run cse_main and
2765 delete_trivially_dead_insns too many times.
2767 * passes.c (rest_of_handle_gcse): Remove dead assignments to
2770 2005-02-12 Ira Rosen <irar@il.ibm.com>
2772 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2773 (vect_is_simple_iv_evolution): Remove redundant parameter
2775 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2776 without last parameter.
2777 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2778 Return pointer step. Call vect_is_simple_iv_evolution without
2779 last parameter. Check only that the step is multiple of size
2780 type. Remove stmt_vinfo updates.
2781 (vect_get_memtag_and_dr): Remove.
2782 (vect_get_memtag): New function.
2783 (vect_address_analysis): New function.
2784 (vect_object_analysis): New function.
2785 (vect_analyze_data_refs): Call vect_object_analysis and
2786 vect_get_memtag. Update stmt_vinfo fields.
2788 2005-02-12 Ira Rosen <irar@il.ibm.com>
2790 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2791 exist and are objects. Remove checks for pointer.
2792 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2793 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2794 (vect_create_data_ref_ptr): Likewise.
2795 (vect_base_addr_differ_p): New function.
2796 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2797 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2798 Don't set the DR_BASE_NAME field of data-ref.
2799 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2801 2005-02-12 Uros Bizjak <uros@kss-loka.si>
2803 * optabs.h (enum optab_index): Add new OTI_ldexp.
2804 (ldexp_optab): Define corresponding macro.
2805 * optabs.c (init_optabs): Initialize ldexp_optab.
2806 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2808 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2810 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2811 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2813 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2814 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2817 2005-02-12 Ira Rosen <irar@il.ibm.com>
2819 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2821 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2823 (vect_get_base_and_offset): Always return an address.
2824 (vect_create_addr_base_for_vector_ref): Remove treatment for
2825 different data reference types.
2826 (vect_compute_data_ref_alignment): Rename base to base_address in
2827 stmt_vec_info. Get the object in order to force its alignment.
2828 (vect_get_memtag_and_dr): Rename base to base_address in
2829 stmt_vec_info. Extract the object for memtag analysis.
2831 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
2833 PR regression/19898.
2834 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2835 changes cc_status, use apply modified_in_p to part of cc_status
2836 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2839 2005-02-11 Richard Henderson <rth@redhat.com>
2841 * tree-complex.c (expand_complex_libcall): New.
2842 (expand_complex_multiplication): Use it for c99 compliance.
2843 (expand_complex_division): Likewise.
2844 * fold-const.c (fold_complex_add, fold_complex_mult): New.
2846 * builtins.c (built_in_names): Remove const.
2847 * tree.c (build_common_builtin_nodes): Build complex arithmetic
2849 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2850 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2851 (built_in_names): Remove const.
2852 * c-common.c (c_common_type_for_mode): Handle complex modes.
2853 * flags.h, toplev.c (flag_complex_method): Rename from
2854 flag_complex_divide_method.
2855 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2856 __mulsc3, __muldc3, __mulxc3, __multc3): New.
2857 * libgcc2.h: Declare them.
2858 * libgcc-std.ver: Export them.
2859 * mklibgcc.in (lib2funcs): Build them.
2861 2005-02-11 Steven Bosscher <stevenb@suse.de>
2863 PR tree-optimization/19876
2864 Partially revert my change from 2005-01-14
2865 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2866 (compute_antic): ...and remove the loop here.
2868 2005-02-11 Jakub Jelinek <jakub@redhat.com>
2871 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2872 is number of inner's bits, avoid creating a BIT_FIELD_REF.
2874 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2875 crtend.o if -pie. Use %{x:a;:b} spec syntax.
2877 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
2879 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2880 offsets for the big-endian 32-bit case.
2882 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
2884 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2886 2005-02-11 Dale Johannesen <dalej@apple.com>
2888 * cselib.c (cselib_process_insn): Clear out regs where
2889 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2890 * reload.c (find_equiv_reg): Ditto.
2892 2005-02-11 Ian Lance Taylor <ian@airs.com>
2894 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2897 * tree.c (build_function_type_list): Work correctly if there are
2900 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
2902 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2903 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2904 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2905 TARGET_ZARCH instead of TARGET_64BIT.
2907 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
2909 * config/rs6000/t-rtems:
2910 (MULTILIB_OPTIONS): Remove mcpu=602.
2911 (MUTLILIB_DIRNAMES): Remove m602.
2912 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2913 Let mcpu=602 match mcpu=603.
2914 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2916 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2918 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2921 2005-02-10 David Daney <ddaney@avtrex.com>
2923 * config/alpha/linux-unwind.h: Add exception clause to copyright.
2924 * config/i386/linux-unwind.h: Likewise.
2925 * config/ia64/linux-unwind.h: Likewise.
2926 * config/mips/linux-unwind.h: Likewise.
2927 * config/pa/linux-unwind.h: Likewise.
2928 * config/rs6000/linux-unwind.h: Likewise.
2929 * config/s390/linux-unwind.h: Likewise.
2930 * config/sh/linux-unwind.h: Likewise.
2931 * config/sparc/linux-unwind.h: Likewise.
2933 2005-02-10 Steven Bosscher <stevenb@suse.de>
2935 PR tree-optimization/17549
2936 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2937 TER to replace a DEF with its expression if the DEF and the
2938 rhs of the expression we replace into have the same root
2941 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
2943 * config/mips/mips.md: Fix the placement of the match_scratch in the
2946 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2948 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2951 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2953 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2954 (strip_offset): Handle addresses.
2955 (add_address_candidates): Use strip_offset.
2956 (difference_cost): Reflect strip_offset change.
2957 (force_var_cost, difference_cost): Strip nops.
2959 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2961 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2963 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2964 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2965 config/cris/cris-protos.h, config/cris/cris.c: Update
2968 2005-02-10 Jeff Law <law@redhat.com>
2970 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2971 (lookup_avail_expr): Similarly.
2973 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
2975 * builtins.c (fold_builtin_powi): New function.
2976 (fold_builtin_1): Call it.
2978 2005-02-10 Steven Bosscher <stevenb@suse.de>
2980 PR documentation/19309
2981 * doc/cpp.texi: The __GNUC__ and related predefined macros
2982 are also defined for the "standalone" cpp.
2983 Some non-GCC compilers may also define __GNUC__.
2985 2005-02-10 Jakub Jelinek <jakub@redhat.com>
2988 * c-typeck.c (common_type): New routine. Old common_type renamed
2990 (c_common_type): ...this.
2991 (build_conditional_expr, build_binary_op): Use c_common_type instead
2994 2005-02-10 Steven Bosscher <stevenb@suse.de>
2996 * doc/md.texi: Replace @samp{length} with @code{length}.
2998 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3000 PR tree-optimization/18687
3001 * tree-flow.h (find_loop_niter): Declare.
3002 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3003 Try using scev even for loops with more than one exit.
3004 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3005 (struct ivopts_data): Added niters field.
3006 (struct nfe_cache_elt): New.
3007 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3009 (tree_ssa_iv_optimize_init): Initialize niters cache.
3010 (determine_number_of_iterations): Removed.
3011 (find_induction_variables): Do not call determine_number_of_iterations.
3012 Access niters for single exit through niter_for_single_dom_exit.
3013 (add_iv_outer_candidates): Access niters for single exit through
3014 niter_for_single_dom_exit.
3015 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
3016 number_of_iterations_cond.
3017 (iv_period): New function.
3018 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3019 (may_replace_final_value): Take data argument. Use
3020 niter_for_single_dom_exit.
3021 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3022 (rewrite_use_compare): Pass data to may_eliminate_iv.
3023 (rewrite_use_outer): Pass data to may_replace_final_value.
3024 (free_loop_data): Clean up the niters cache.
3025 (tree_ssa_iv_optimize_finalize): Free the niters cache.
3026 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3027 * tree-ssa-loop-niter.c (find_loop_niter): New function.
3028 (find_loop_niter_by_eval): Use tree_int_cst_lt.
3029 (num_ending_zeros): Moved to tree.c.
3030 * tree.h (num_ending_zeros): Declare.
3031 * tree.c (num_ending_zeros): Moved from tree.c.
3033 2005-02-09 Richard Henderson <rth@redhat.com>
3035 * builtins.c (DEF_BUILTIN): Add COND argument.
3036 * tree.h (DEF_BUILTIN): Likewise.
3037 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3038 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3040 (DEF_BUILTIN_STUB): New.
3041 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3042 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3043 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3044 * c-common.c (DEF_BUILTIN): Add COND argument.
3045 * tree.c (local_define_builtin): New.
3046 (build_common_builtin_nodes): New.
3048 2005-02-09 Roger Sayle <roger@eyesopen.com>
3050 * fold-const.c (fold_strip_sign_ops): New function to simplify a
3051 floating point expression ignoring the sign of the result.
3052 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3053 (fold) <MULT_EXPR>: Use it to simplify x*x.
3054 * tree.h (fold_strip_sign_ops): Prototype here.
3055 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3056 argument. Use fold_strip_sign_ops to simplify the first argument.
3057 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
3058 first argument when the second argument is an even integer
3059 constant, but only with -funsafe_math_optimizations.
3060 (fold_builtin_1): Update call to fold_builtin_copysign.
3062 2005-02-09 Ian Lance Taylor <ian@airs.com>
3065 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3066 just check whether EH_FILTER_FAILURE falls through.
3068 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
3070 * gcc/haifa-sched.c (schedule_block): Make queued sched group
3071 insns return to ready list in the next turn.
3073 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3076 * builtins.def: New __builtin_powi[lf].
3077 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3078 (expand_builtin_powi): New function.
3079 (expand_builtin): Dispatch to expand_builtin_powi.
3080 * libgcc2.h: Add prototypes for __builtin_powi[lf].
3081 * libgcc2.c: Add __builtin_powi[lf] implementation.
3082 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3083 * optabs.h: Add powi_optab.
3084 * optabs.c (init_optabs): Initialize powi_optab.
3085 * doc/extend.texi: Document __builtin_powi[lf].
3087 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
3089 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3092 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
3095 * fold-const.c (try_move_mult_to_index): Remove redundant
3096 type argument. Create ADDR_EXPR with correct type.
3097 (fold): Update callers of try_move_mult_to_index. Convert
3098 result to the appropriate type.
3100 2005-02-09 Roger Sayle <roger@eyesopen.com>
3103 * config/avr/avr.c (default_rtx_costs): Delete.
3104 (avr_operand_rtx_cost): New function.
3105 (avr_rtx_costs): Completely rewrite.
3107 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
3110 * config/cris/cris.c (in_code): New variable.
3111 (cris_output_addr_const): Now a static function, a wrapper for
3113 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3114 case from old cris_output_addr_const.
3115 (cris_asm_output_label_ref): Similar for LABEL_REF.
3116 (cris_output_addr_const_extra): Similar for UNSPEC.
3117 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3118 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3119 * config/cris/cris-protos.h (cris_output_addr_const): Remove
3121 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3122 (cris_asm_output_label_ref): Declare.
3124 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
3126 PR preprocessor/19801
3127 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3128 filenames that changed when libcpp was moved to the toplevel.
3130 2005-02-07 Roger Sayle <roger@eyesopen.com>
3132 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3133 zero extensions of BImode operands. Call lowpart_subreg instead
3134 of gen_lowpart_common and gen_lowpart_SUBREG.
3136 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
3139 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3140 * configure.ac: Set cc_for_cross_gnattools.
3141 * configure: Regenerate.
3143 2005-02-08 Alan Modra <amodra@bigpond.net.au>
3146 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3148 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3151 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3152 of nested functions.
3154 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
3156 * doc/extend.texi: Document deprecated extensions allowing
3157 static floating-point members to have initializers and allowing
3158 floating-point literals in integral constant expressions.
3160 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
3162 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3163 config/darwin7.h, config/mips/mips.c,
3164 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3167 * cse.c: Update comments.
3169 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
3172 * builtins.c (fold_builtin_sqrt): Transform
3173 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3176 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
3177 Dorit Naishlos <dorit@il.ibm.com>
3179 * doc/invoke.texi (ftree-vectorizer-verbose): New.
3180 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3181 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3183 * tree.h (vect_set_verbosity_level): New extern function declaration
3185 * tree-vectorizer.h (verbosity_levels): New enum type.
3186 * tree-vectorizer.c (vect_debug_stats): Function removed.
3187 (vect_debug_details): Likewise.
3188 (vect_verbosity_level): Global variable was defined and initialized.
3189 (vect_dump): Global variable definition.
3190 (vect_print_dump_info): New function.
3191 (vect_set_dump_settings): New function.
3192 (vect_set_verbosity_level): New function.
3193 (vectorize_loops): Add call to vect_set_dump_settings.
3195 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3196 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3197 (slpeel_tree_peel_loop_to_edge): Likewise.
3199 (vect_analyze_offset_expr): Call to vect_print_dump_info with
3200 appropriate verbosity level instead of call to vect_debug_details
3201 or vect_debug_stats.
3202 (vect_get_base_and_offset):
3203 (vect_create_addr_base_for_vector_ref):
3204 (get_vectype_for_scalar_type):
3205 (vect_create_data_ref_ptr):
3207 (vect_get_vec_def_for_operand):
3208 (vect_finish_stmt_generation):
3209 (vectorizable_assignment):
3210 (vectorizable_operation):
3211 (vectorizable_store):
3212 (vectorizable_load):
3213 (vect_transform_stmt):
3214 (vect_update_ivs_after_vectorizer):
3215 (vect_do_peeling_for_loop_bound):
3216 (vect_update_inits_of_drs):
3217 (vect_do_peeling_for_alignment):
3218 (vect_transform_loop):
3219 (vect_is_simple_use):
3220 (vect_analyze_operations):
3221 (vect_is_simple_iv_evolution):
3222 (vect_analyze_scalar_cycles):
3223 (vect_analyze_data_ref_dependence):
3224 (vect_analyze_data_ref_dependences):
3225 (vect_compute_data_ref_alignment):
3226 (vect_enhance_data_refs_alignment):
3227 (vect_analyze_data_refs_alignment):
3228 (vect_analyze_data_ref_access):
3229 (vect_analyze_data_ref_accesses):
3230 (vect_analyze_pointer_ref_access):
3231 (vect_get_memtag_and_dr):
3232 (vect_analyze_data_refs):
3233 (vect_mark_relevant):
3234 (vect_stmt_relevant_p):
3235 (vect_mark_stmts_to_be_vectorized):
3236 (vect_can_advance_ivs_p):
3237 (vect_get_loop_niters):
3238 (vect_analyze_loop_form):
3239 (vect_analyze_loop):
3240 (vectorize_loops): Likewise.
3242 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3243 (vect_update_inits_of_drs):
3244 (vect_do_peeling_for_alignment):
3245 (vect_transform_loop):
3246 (vect_analyze_operations):
3247 (vect_analyze_scalar_cycles):
3248 (vect_analyze_data_ref_dependences):
3249 (vect_analyze_data_refs_alignment):
3250 (vect_analyze_data_ref_accesses):
3251 (vect_analyze_data_refs):
3252 (vect_mark_stmts_to_be_vectorized):
3253 (vect_get_loop_niters):
3254 (vect_analyze_loop_form):
3255 (vect_analyze_loop): Likewise.
3256 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3258 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
3262 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
3263 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3264 either -ffast-math or -funsafe-math-optimizations is in use.
3266 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
3267 * config/mips/irix-csr.c: New file.
3268 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3269 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3270 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3273 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
3275 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3276 redundant, incorrect definitions.
3278 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3280 ("*tls_indirect_call"): New, reference hard regs directly.
3281 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3283 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3285 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3286 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3288 2005-02-06 Roger Sayle <roger@eyesopen.com>
3290 PR rtl-optimization/19800
3291 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3292 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3295 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
3297 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3299 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
3302 * doc/invoke.texi: Correct documentation of -freorder-functions.
3304 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3307 * doc/invoke.texi: Don't mention gccbug.
3309 2005-02-06 Roger Sayle <roger@eyesopen.com>
3310 Andrew Pinski <pinskia@physics.uc.edu>
3311 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
3313 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3314 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3315 into just (zero_extract:SI FOO (const_int 1) BAR).
3317 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3319 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
3320 macro locally. Don't give last revision date. Use GCC version
3321 number from gcc-common.texi.
3322 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
3323 revision date. Use GCC version number from gcc-common.texi.
3324 Describe being a library as current state rather than as 3.x
3326 * doc/gcc.texi: Remove last update date.
3327 * doc/gccint.texi: Likewise. Update copyright dates.
3328 * doc/install.texi: Update copyright dates.
3330 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3333 * doc/invoke.texi: Mention for each option included in -Wall that
3334 it is included in -Wall.
3335 * doc/gcc.texi: Update copyright and last modification date.
3337 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3339 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3340 unnecessary cast to original induction variable increments.
3342 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3344 PR tree-optimization/18219
3345 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3346 in distributed form.
3348 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
3350 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3351 Set bitpos and offset later in the function. Do nothing if the
3352 target is a register and if the bitfield lies completely outside
3354 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3355 here. Return an uninitialised register if the source value is stored
3356 in a register and the bitfield lies completely outside that register.
3358 2005-02-06 Steven Bosscher <stevenb@suse.de>
3360 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3363 2005-02-06 Marcin Dalecki <martin@dalecki.de>
3365 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3367 2005-02-06 Geoffrey Keating <geoffk@apple.com>
3369 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3370 * config/darwin8.h: New.
3371 * config/darwin7.h: Update comment.
3373 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3374 Dorit Naishlos <dorit@il.ibm.com>
3376 * tree-vectorizer.h (LOC): New type.
3377 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3378 (loop_line_number): New field in struct _loop_vec_info.
3379 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3381 * tree-vectorizer.c (input.h): Included.
3382 (find_loop_location): New function.
3383 (vect_debug_stats): Argument changed from loop to LOC. Computation of
3384 loop line number removed.
3385 (vect_debug_details): Likewise.
3386 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3388 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3389 call to vect_debug_details/stats changed from loop to loop_loc.
3390 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3391 (slpeel_tree_peel_loop_to_edge): Likewise.
3393 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3394 changed from NULL to UNKNOWN_LOC.
3395 (vect_get_base_and_offset):
3396 (vect_create_addr_base_for_vector_ref):
3397 (get_vectype_for_scalar_type):
3398 (vect_create_data_ref_ptr):
3400 (vect_get_vec_def_for_operand):
3401 (vect_finish_stmt_generation):
3402 (vectorizable_assignment):
3403 (vectorizable_operation):
3404 (vectorizable_store):
3405 (vectorizable_load):
3406 (vect_transform_stmt):
3407 (vect_update_ivs_after_vectorizer):
3408 (vect_do_peeling_for_loop_bound):
3409 (vect_do_peeling_for_alignment):
3410 (vect_transform_loop):
3411 (vect_is_simple_use):
3412 (vect_analyze_operations):
3413 (vect_is_simple_iv_evolution):
3414 (vect_analyze_scalar_cycles):
3415 (vect_analyze_data_ref_dependences):
3416 (vect_compute_data_ref_alignment):
3417 (vect_enhance_data_refs_alignment):
3418 (vect_analyze_data_ref_access):
3419 (vect_analyze_data_ref_accesses):
3420 (vect_analyze_pointer_ref_access):
3421 (vect_get_memtag_and_dr):
3422 (vect_analyze_data_refs):
3423 (vect_mark_relevant):
3424 (vect_stmt_relevant_p):
3425 (vect_mark_stmts_to_be_vectorized):
3426 (vect_can_advance_ivs_p):
3427 (vect_get_loop_niters):
3428 (vect_analyze_loop):
3429 (vectorize_loops): Likewise.
3431 (vectorizable_load): Argument in call to vect_debug_details/stats
3432 changed from loop to LOOP_LOC (loop_vinfo).
3433 (vect_transform_loop):
3434 (vect_analyze_operations):
3435 (vect_analyze_scalar_cycles):
3436 (vect_analyze_data_ref_dependence):
3437 (vect_enhance_data_refs_alignment):
3438 (vect_analyze_data_ref_accesses):
3439 (vect_analyze_pointer_ref_access):
3440 (vect_analyze_data_refs):
3441 (vect_analyze_loop): Likewise.
3443 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3444 changed from loop to loop_loc.
3446 (vect_enhance_data_refs_alignment): Removed unused variable loop.
3448 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3449 Dorit Naishlos <dorit@il.ibm.com>
3451 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3453 (vect_analyze_data_ref_dependences): Likewise.
3455 (vect_is_simple_use): Argument changed from loop structure to
3456 loop_vect_info structure.
3457 (vect_can_advance_ivs_p): Likewise.
3458 (vect_create_index_for_vector_ref): Likewise.
3459 (vect_update_ivs_after_vectorizer): Likewise.
3460 (new_stmt_vec_info): Likewise.
3462 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3463 changed from loop to loop_vinfo.
3464 (vect_create_data_ref_ptr): First argument in call to
3465 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3466 (vectorizable_assignment): Second argument in call to vect_is_simple_use
3467 was changed from loop to loop_vinfo.
3468 (vectorizable_operation): Likewise.
3469 (vectorizable_store): Likewise.
3470 (vect_mark_stmts_to_be_vectorized): Likewise.
3471 (vect_do_peeling_for_loop_bound): First argument in call to
3472 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3473 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3474 was changed from loop to loop_vinfo.
3475 (vect_analyze_data_ref_dependences): Third argument in call to
3476 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3478 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3479 (vect_create_data_ref_ptr): Likewise.
3480 (vect_init_vector): Likewise.
3481 (vect_get_vec_def_for_operand): Likewise.
3482 (vectorizable_assignment): Likewise.
3483 (vectorizable_operation): Likewise.
3484 (vectorizable_store): Likewise.
3485 (vectorizable_load): Likewise.
3486 (vect_update_ivs_after_vectorizer): Likewise.
3487 (vect_is_simple_use): Likewise.
3488 (vect_analyze_data_ref_dependence): Likewise.
3489 (vect_analyze_pointer_ref_access): Likewise.
3490 (vect_can_advance_ivs_p): Likewise.
3492 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3493 before _stmt_vec_info.
3494 (_stmt_vec_info): Loop field replaced by loop_vec_info.
3495 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3496 (new_stmt_vec_info): Argument changed from loop structure to
3497 loop_vect_info structure
3499 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3500 (vect_analyze_offset_expr): Avoid 80 columns overflow.
3501 (vect_create_addr_base_for_vector_ref): Likewise.
3502 (vect_analyze_pointer_ref_access): Likewise.
3504 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3507 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3508 phi flag if the phi is abnormal.
3510 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3513 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3514 information for the new statement.
3516 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3519 * gcc.c (main): Include the target in -v output.
3521 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
3523 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3524 Do not drop the extend if we'd have to add a paradoxical subreg
3525 later. Include optabs.h and insn-codes.h.
3526 * Makefile.in (combine.o): Depend on $(OPTABS_H).
3528 2005-02-02 Roger Sayle <roger@eyesopen.com>
3531 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3532 * fold-const.c (const_binop): Avoid constant folding floating
3533 point operations in modes that use composite representations.
3534 * simplify-rtx.c (simplify_binary_operation): Likewise.
3536 2005-02-02 Geoffrey Keating <geoffk@apple.com>
3538 * config/rs6000/altivec.md (altivec_dst): Make the first operand
3540 (altivec_dstt): Likewise.
3541 (altivec_dstst): Likewise.
3542 (altivec_dststt): Likewise.
3543 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3546 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3548 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3549 EXPR_LOCUS from orig_cond to the new cond_stmt.
3550 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3553 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3555 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3556 standard_iv_increment_position. Remove call to bsi_next
3557 (no need to bump the iterator anymore).
3558 (vect_create_index_for_vector_ref): Call
3559 standard_iv_increment_position. Remove second function argument.
3560 (vect_finish_stmt_generation): Remove call to bsi_next
3561 (no need to bump the iterator anymore).
3562 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3563 to vect_create_index_for_vector_ref.
3565 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3567 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3568 phis are used out of the loop.
3570 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3573 * c-decl.c (undef_nested_function): New variable.
3574 (pop_scope): Diagnose undefined nested functions.
3575 (finish_function): Don't attempt cgraph processing or genericizing
3576 if current top-level function contained an undefined nested
3577 function. Reset undef_nested_function at the end of a top-level
3580 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3582 * tree.c (build_int_cst_type): Take sign of the value into account
3583 when deciding whether sign extend the value.
3585 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3588 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3589 (cpp_options, cc1_options): Change %{std*&ansi} to
3590 %{std*&ansi&trigraphs}.
3592 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3594 * cse.c: Update comments.
3596 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
3598 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3599 arguments go on the stack. Do not put complex doubles in odd/even
3602 2005-02-02 Steven Bosscher <stevenb@suse.de>
3604 * doc/invoke.texi: Update the options enabled at -O1, -O2,
3605 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
3606 -ftree-pre, and -fthread-jumps.
3608 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
3610 PR tree-optimization/19578
3611 * tree-flow.h (modified_noreturn_calls): Declare.
3612 (noreturn_call_p): Declare.
3613 * tree-flow-inline.h (noreturn_call_p): New function.
3614 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3615 * tree-cfg.c (modified_noreturn_calls): New variable.
3616 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
3617 that contain a mid-block noreturn call.
3618 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3620 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3622 * df.c (df_def_record_1, df_uses_record): Don't use
3624 * df.h (DF_FOR_REGALLOC): Remove.
3626 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3629 * c-typeck.c (really_start_incremental_init): Reset
3630 constructor_max_index for arrays of incomplete type.
3632 2005-02-02 Jeff Law <law@redhat.com>
3634 * gcse.c (struct reg_set): Store the block index where the register
3635 was set rather than the setting insn.
3636 (record_one_set, compute_transp): Corresponding changes.
3637 (pre_insert_copy_insn): Do not call replace_one_set.
3638 (replace_one_set): Remove.
3640 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3643 * doc/gcov.texi: Fix typo.
3645 2005-02-01 Richard Henderson <rth@redhat.com
3648 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3649 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3651 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3652 * config/i386/i386-protos.h: Update.
3654 2005-02-01 Steven Bosscher <stevenb@suse.de>
3656 PR tree-optimization/19217
3657 * tree-cfg.c (verify_expr): Use the data field to see if TP was
3658 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
3659 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3660 that it is walking a PHI node.
3662 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
3664 * doc/extend.texi (Nested Functions): Update.
3666 2005-02-01 Richard Henderson <rth@redhat.com>
3669 * optabs.c (expand_copysign_absneg): Export.
3670 * optabs.h (expand_copysign_absneg): Declare.
3671 * config/rs6000/rs6000.md (copysigntf3): New.
3673 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3675 PR tree-optimization/19633
3676 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3677 * tree-ssa-alias.c (init_alias_info): Initialize.
3678 (merge_pointed_to_info): Set.
3679 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3680 (dump_points_to_info_for): Show value of pt_null.
3681 (struct count_ptr_d): Declare.
3682 (find_ptr_dereference): Remove.
3683 (ptr_is_dereferenced_by): Remove.
3684 (count_ptr_derefs): New local function.
3685 (count_uses_and_derefs): New local function.
3686 (compute_points_to_and_addr_escape): Call it. If the number
3687 of dereferences is greater than zero, mark the pointer as
3688 dereferenced. If there are fewer dereferences than uses of
3689 the pointer, the pointer's value escapes.
3691 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3693 PR tree-optimization/19670
3694 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3696 (verify_use): ... set it here, instead.
3698 2005-02-01 Janis Johnson <janis187@us.ibm.com>
3700 * doc/sourcebuild.texi (Test directives): Fix formatting.
3702 * doc/sourcebuild.texi (Test directives): Describe selector
3705 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
3707 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3708 specific 64-bit CPUs.
3710 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
3713 * arm.c (arm_eliminable_register): New function.
3714 (adjacent_mem_locations): Don't allow eliminable registers. Use
3715 HOST_WIDE_INT for address offsets.
3716 * arm-protos.h (arm_eliminable_register): Add prototype.
3718 2005-02-01 Steven Bosscher <stevenb@suse.de>
3720 PR optimization/15242
3721 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3722 * basic-block.h (duplicate_computed_gotos): Add prototype.
3723 * bb-reorder.c (duplicate_computed_gotos): New function to
3724 duplicate sufficiently small blocks ending in a computed jump.
3725 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3726 if not optimizing for size.
3727 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3728 never do tail merging for blocks ending in a computed jump.
3729 * doc/invoke.texi: Document the max-goto-duplication-insns param.
3731 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
3733 Patch from Richard Sandiford <rsandifo@redhat.com>
3734 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3735 from inheriting a subreg equivalence with a non-spill register.
3737 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3739 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
3741 * config/frv/frv.c (movcc_fp_destination_operand): New.
3742 (gpr_or_memory_operand): Fix typo in comment.
3743 (gpr_or_memory_operand_with_scratch): New.
3744 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3745 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3746 movcc_fp_destination_operand.
3747 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3748 Legitimize memory addresses using a scratch register.
3750 2005-01-31 Jeff Law <law@redhat.com>
3752 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3753 bitmap a sparse bitmap instead of a simple bitmap.
3754 (mark_def_sites_initialize_block): Corresponding changes.
3755 (ssa_mark_def_sites_initialize_block): Likewise.
3756 (ssa_mark_phi_uses): Likewise.
3757 (mark_def_site, ssa_mark_def_sites): Likewise.
3758 (mark_def_site_blocks): Likewise.
3759 (rewrite_ssa_into_ssa): Likewise.
3761 * tree-ssa-dom.c (record_cond): Pass correct variable type
3762 for last argument to htab_find_slot_with_hash.
3764 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3765 effects when optimizing 0 % X. Do not try to optimize X % 0.
3767 2005-01-31 James E. Wilson <wilson@specifixinc.com>
3769 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3772 2005-02-01 Eric Christopher <echristo@redhat.com>
3774 * config/mips/mips.c (override_options): Warn if -mint64
3776 * doc/invoke.texi (MIPS Options): Document that -mint64 is
3779 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
3781 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
3783 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3784 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3785 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3786 (cached_regno): Initialize to INVALID_REGNUM.
3787 (cse_reg_info_table_size,
3788 cse_reg_info_table_first_uninitialized,
3789 cse_reg_info_timestamp): New.
3790 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3792 (init_cse_reg_info, get_cse_reg_info_1): New.
3793 (get_cse_reg_info): Cache the last look-up.
3794 (new_basic_block): Update the code to clear mappings from
3795 registers to cse_reg_info entries.
3796 (cse_main): Call init_cse_reg_info.
3798 * cse.c (get_cse_reg_info): Update a comment.
3800 2005-01-31 Steven Bosscher <stevenb@suse.de>
3803 * c-decl.c (start_decl): Do not warn about arrays of elements with
3804 an incomplete type here.
3805 (grokdeclarator): Do it here by making a pedwarn an error.
3806 * c-typeck.c (push_init_level): If there were previous errors with
3807 the constructor type, do not warn about braces for initializers.
3808 (process_init_element): Likewise for excess initializer elements.
3810 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
3812 * cse.c (delete_trivially_dead_insn): Don't iterate.
3814 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3816 * config/rs6000/rs6000.md (copysignsf3): New expand.
3817 (copysigndf3): Likewise.
3819 2005-01-31 Steven Bosscher <stevenb@suse.de>
3821 * recog.c (constrain_operands): Only look for earlyclobber operand
3822 conflicts if an '&' constraint was seen.
3824 2005-01-31 Marc Espie <espie@openbsd.org>
3826 * config.gcc: Don't include embedded systems fragment, switches default
3827 debugging format to ELF.
3828 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3829 longer pick it up there.
3831 2005-01-31 Dale Johannesen <dalej@apple.com>
3833 * doc/extend.texi (nested functions): Fix linkage description.
3834 Clarify that static is not allowed.
3836 2005-01-31 Dale Johannesen <dalej@apple.com>
3838 * config/rs6000/darwin.md (movsf_low_di): Make work.
3839 (movdf_low_di): Make work.
3841 2005-01-31 Dale Johannesen <dalej@apple.com>
3843 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3844 Make work for 64 bit.
3846 2005-01-31 Roger Sayle <roger@eyesopen.com>
3847 Dale Johannesen <dalej@apple.com>
3850 * fold-const.c (fold_binary_op_with_conditional_arg):
3851 Make types match original operands, before STRIP_NOPS.
3853 2005-01-31 Alan Modra <amodra@bigpond.net.au>
3855 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3856 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
3857 (struct gcc_sigcontext): Delete. Merge contents to..
3858 (struct gcc_ucontext): ..here.
3859 (get_sigcontext): Delete.
3860 (get_regs): New function, like get_sigcontext but return regs ptr.
3861 64-bit version finds regs from r1 to support vdso.
3862 (ppc_linux_aux_vector): New function.
3863 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
3866 2005-01-31 Ira Rosen <irar@il.ibm.com>
3868 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3870 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3871 redundant fold. Fix misalignment for MINUS_EXPR.
3872 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3873 (vect_analyze_pointer_ref_access): Likewise.
3874 (vect_get_memtag_and_dr): Likewise.
3876 2005-01-31 Richard Henderson <rth@redhat.com>
3878 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3879 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3880 absnegdf2_i387, absnegxf2_i387): Likewise.
3882 2005-01-31 Richard Henderson <rth@redhat.com>
3885 * optabs.c (expand_copysign_absneg): New.
3886 (expand_copysign_bit): Split out from ...
3887 (expand_copysign): ... here. Use expand_copysign_absneg.
3889 2005-01-30 Roger Sayle <roger@eyesopen.com>
3892 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3893 constant as the second operand and a register as the third.
3895 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
3898 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
3899 that dllimport'd functions do not use all call-clobbered registers
3902 2005-01-30 Richard Henderson <rth@redhat.com>
3905 * optabs.c (expand_absneg_bit): Split out from expand_unop and
3906 expand_abs_nojump and generalize. Use operand_subword and
3907 emit_no_conflict_block. Support large modes.
3908 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
3910 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
3911 negation to subtraction.
3912 (expand_copysign): Check that the format has signed zeros.
3913 Use operand_subword and emit_no_conflict_block. Support large modes.
3915 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
3917 Fix PR tree-optimization/19624
3919 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3920 * tree-ssa-pre.c: Add cfgloop.h.
3922 (pre_stats): New member, constified.
3923 (inserted_exprs): New static variable.
3924 (NECESSARY): New macro.
3925 (create_expression_by_pieces): Fold the expression, and
3926 mark it as defaulting to not necessary. Also put in
3928 (fully_constant_expression): New function.
3929 (insert_into_preds_of_block): Modify to not insert phis when we
3930 are playing with induction variables.
3931 Push phis onto the inserted_exprs vector, and mark them as not
3932 necessary by default.
3933 (insert_aux): Call fully_constant_expression on eprime.
3934 If all edges produce the same value, mark it constant.
3935 (mark_operand_necessary): New function.
3936 (remove_dead_inserted_code): New function.
3937 (init_pre): Init loop optimizer to get loop info.
3938 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3939 (execute_pre): Commit edge inserts, then remove dead code.
3941 2005-01-30 Richard Henderson <rth@redhat.com>
3943 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3944 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3946 2005-01-30 Richard Henderson <rth@redhat.com>
3949 * config/i386/i386.c (ix86_expand_copysign): New.
3950 (ix86_split_copysign_const): New.
3951 (ix86_split_copysign_var): Rename from ix86_split_copysign,
3952 rearrange op1/nmask operands.
3953 * config/i386/i386-protos.h: Update.
3954 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3955 (copysigndf3): Likewise.
3956 (copysignsf3_const, copysigndf3_const): New.
3957 (copysignsf3_var): Rename from copysignsf3, split out splitter
3958 and fix split predicate for X constraint.
3959 (copysigndf3_var): Similarly.
3961 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
3963 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3964 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3965 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3967 2005-01-29 Richard Henderson <rth@redhat.com>
3970 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3971 of # and * in constraints.
3973 2005-01-29 Richard Henderson <rth@redhat.com>
3976 * expr.c (store_field): Don't strip sub-mode cast when the input
3977 data is even smaller.
3979 2005-01-29 Richard Henderson <rth@redhat.com>
3982 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3985 2005-01-29 Richard Henderson <rth@redhat.com>
3987 * combine.c (make_field_assignment): Fix argument order
3990 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
3992 PR tree-optimization/15791
3993 * fold-const.c (extract_array_ref): New function.
3994 (fold): Fold comparisons between &a[i] and &a[j] or
3995 semantically equivalent trees.
3997 2005-01-29 Jeff Law <law@redhat.com>
3999 * gcse.c (insert_expr_in_table): Revamp handling of available
4000 and anticipatable occurrence lists to avoid unnecessary list
4002 (insert_set_in_table): Similarly.
4004 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
4006 * c-common.c (fix_string_type): Just use c_build_qualified_type to
4008 (c_build_qualified_type): Build qualified array types with
4009 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4010 * c-decl.c (c_make_fname_decl): Build unqualified array type
4011 before qualified type.
4012 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4013 type is qualified, not just if type itself is. Don't apply
4014 qualifiers to array type when declarator is processed. Apply
4015 qualifiers to field type whether or not it is an array type.
4016 Don't handle array types specially for applying qualifiers to
4018 * c-typeck.c (composite_type): Build unqualified element type and
4019 array type when forming composite of array types.
4020 (common_pointer_type, comptypes, comp_target_types,
4021 type_lists_compatible_p, build_indirect_ref, build_array_ref,
4022 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4024 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4025 (args2) in variables a1 and a2.
4027 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
4029 * cse.c (n_elements_made, max_elements_made): Remove.
4030 (insert): Don't touch n_elements_made.
4031 (cse_main): Don't touch n_elements_made or max_elements_made.
4033 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
4036 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4037 configuration part of dp-bit.c to be lost.
4039 2005-01-28 Roger Sayle <roger@eyesopen.com>
4041 * expmed.c (expand_mult_highpart_optab): When attempting to use
4042 a non-widening multiplication in a wider mode, the operands need
4043 to be converted (zero or sign extended) to that mode.
4045 2005-01-28 Ian Lance Taylor <ian@airs.com>
4049 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4050 through if both operands fall through.
4052 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4054 * cse.c (fold_rtx) <PC>: Don't optimize.
4056 2005-01-28 Jeff Law <law@redhat.com>
4058 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4059 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4061 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
4063 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4064 cse_reg_info_used_list_end): Remove.
4065 (cse_reg_info_list, cse_reg_info_list_free): New.
4066 (get_cse_reg_info): When allocating an instance of
4067 cse_reg_info, add it to the beginning of the cse_reg_info_list
4068 list. Remove code to maintain cse_reg_info_used_list.
4069 (new_basic_block): Reset the free list to the beginning of
4072 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
4074 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4075 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4076 (frv_expand_mdpackh_builtin): New function.
4077 (frv_expand_builtin): Use it to expand __MDPACKH.
4078 * doc/extend.texi (__MDPACKH): Update documentation.
4080 2005-01-28 Uros Bizjak <uros@kss-loka.si>
4082 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4083 SSE_FLOAT_MODE_P for use_sse computation.
4085 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
4088 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4090 2005-01-27 Richard Henderson <rth@redhat.com>
4092 * builtins.c (expand_builtin_copysign): New.
4093 (expand_builtin): Call it.
4094 * genopinit.c (optabs): Add copysign_optab.
4095 * optabs.c (init_optabs): Initialize it.
4096 (expand_copysign): New.
4097 * optabs.h (OTI_copysign, copysign_optab): New.
4098 (expand_copysign): Declare.
4100 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4101 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4103 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4104 (ix86_expand_fp_absneg_operator): ... here.
4105 (ix86_split_copysign): New.
4106 * config/i386/i386-protos.h: Update.
4107 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4108 (copysignsf3, copysigndf3): New.
4110 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4111 (copysignsf3, ncopysignsf3): New.
4112 (copysigndf3, ncopysigndf3): New.
4113 (copysignxf3, ncopysignxf3): New.
4114 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4116 2005-01-27 Arend Bayer <arend.bayer@web.de>
4117 Kazu Hirata <kazu@cs.umass.edu>
4119 * cse.c: (find_best_addr): Don't call copy_rtx before calling
4120 fold_rtx. Save cost recomputation if fold_rtx did nothing.
4121 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4124 2005-01-27 Jeff Law <law@redhat.com>
4126 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4127 definitions of SSA_NAMEs which are not being rewritten.
4128 (rewrite_ssa_into_ssa): Only initialize the current definition
4129 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4130 If checking is enabled, assert that SSA_NAME_AUX is clear for all
4131 SSA_NAMEs before returning.
4133 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
4135 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4136 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4137 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4138 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4139 config/mips/iris6.h, config/sh/sh.c: Update copyright.
4141 2005-01-27 Steven Bosscher <stevenb@suse.de>
4144 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4145 higher to -O2 and higher. Likewise for tree PRE.
4146 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4149 2005-01-27 Ian Lance Taylor <ian@airs.com>
4152 * gimple-low.c (try_catch_may_fallthru): New static function.
4153 (block_may_fallthru): Handle TRY_CATCH_EXPR.
4154 * tree-inline.c (expand_call_inline): Don't warn about reaching
4155 the end of a non-void function being inlined if the function uses
4158 2005-01-27 Jakub Jelinek <jakub@redhat.com>
4160 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4163 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4164 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4165 (implicitly_declare): Handle error_mark_node.
4167 2005-01-27 Richard Henderson <rth@redhat.com>
4170 * tree.h (struct tree_decl): Add debug_expr_is_from.
4171 (DECL_DEBUG_EXPR_IS_FROM): New.
4172 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4173 * dwarf2out.c (dwarf2out_var_location): Update to match.
4174 * tree-outof-ssa.c (create_temp): Likewise.
4175 * var-tracking.c (track_expr_p): Likewise.
4176 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4177 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4178 * toplev.c (default_tree_printer): Likewise.
4180 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
4182 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4183 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4185 2005-01-27 Steven Bosscher <stevenb@suse.de>
4187 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4188 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4189 ASM_CLOBBERS): Add tree checks.
4191 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4192 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4193 * c-common.def (SWITCH_STMT): Update to match.
4194 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4195 macros instead of SWITCH_EXPR ones.
4196 * c-dump.c (c_dump_tree): Likewise.
4197 * c-gimplify.c (gimplify_switch_stmt): Likewise.
4198 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4200 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4202 2005-01-27 Alan Modra <amodra@bigpond.net.au>
4204 * unwind-dw2.c (execute_stack_op): Add missing cases for
4205 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4207 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
4209 * config.gcc (Obsolete configurations): Remove 'dummy', add
4210 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4213 2005-01-26 Diego Novillo <dnovillo@redhat.com>
4215 PR tree-optimization/19633
4216 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4218 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4219 are no call-clobbered variables.
4220 * tree-outof-ssa.c (check_replaceable): Return false for calls
4223 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
4225 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4226 even for variables with NULL DECL_INITIAL.
4228 2005-01-26 Stuart Hastings <stuart@apple.com>
4230 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4232 2005-01-26 Richard Henderson <rth@redhat.com>
4235 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4237 * expr.c (store_field): Strip conversions to odd-bit-sized types
4238 if the destination field width matches.
4240 2005-01-26 Richard Henderson <rth@redhat.com>
4242 * c-decl.c, expmed.c, expr.c: Revert last change.
4244 2005-01-26 Richard Henderson <rth@redhat.com>
4247 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4249 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4250 if we don't need the bits above those present in the current mode.
4251 * expr.c (store_field): Strip conversions to odd-bit-sized types
4252 if the destination field width matches.
4254 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
4256 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4257 either -ffast-math or -funsafe-math-optimizations is in use.
4259 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
4263 * config/avr/avr.c (notice_update_cc): Only set condition code for
4264 ashrqi3 if shift count > 0.
4265 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4266 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4267 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4268 count <= 0 as a no-op, and shift count >= width by copying zero
4269 or sign bit to all bits of the result.
4270 * config/avr/avr.md (all shifts): Add alternatives for zero shift
4271 count, with attribute "length" set to 0 and "cc" set to "none".
4273 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4275 * doc/invoke.texi: Document -mTLS.
4277 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4278 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4279 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4280 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4281 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4282 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4283 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4284 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4286 * configure.ac: Check for a TLS capable gas.
4288 * configure: Regenerate.
4290 2005-01-26 Richard Henderson <rth@redhat.com>
4293 * combine.c (make_field_assignment): Simplify store to zero_extract
4294 from a source with an overlapping mask.
4296 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
4298 2004-11-11 Eric Christopher <echristo@redhat.com>
4300 * config/frv/frv.md: Add fr400_integer automaton. Don't
4301 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4304 2005-01-26 Steven Bosscher <stevenb@suse.de>
4307 * cfgbuild.c (make_edges): Do not clear or set
4308 current_function_has_computed_jump.
4309 * function.h (struct function): Remove the has_computed_jump field.
4310 (current_function_has_computed_jump): Do not define.
4311 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4312 in a computed jump. Ignore current_function_has_computed_jump.
4314 2005-01-26 Richard Henderson <rth@redhat.com>
4317 * expr.c (categorize_ctor_elements): New argument p_must_clear.
4318 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
4320 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4321 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
4322 objects into static storage if they have more than one non-zero value.
4323 * tree.h (categorize_ctor_elements): Update decl.
4325 2005-01-26 Steven Bosscher <stevenb@suse.de>
4328 * tree.h (CALL_EXPR_TAILCALL): Add comment.
4329 * calls.c (check_sibcall_argument_overlap_1): Revert the change
4330 to this function from 2004-07-10.
4331 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4332 the current function for tail call optimizations if the address
4333 of one of it its arguments is taken.
4335 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
4337 * cse.c (fold_rtx): Call equiv_constant only when necessary.
4339 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
4341 * function.c (expand_function_end): If current_function_calls_alloca,
4342 emit stack restore in a place that is reached when the function falls
4345 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
4347 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4348 rule to avoid matching inappropriate suffix rule.
4350 2005-01-26 Jan Hubicka <jh@suse.cz>
4352 PR tree-optimization/19241
4353 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4355 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4357 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4358 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
4360 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4361 <sim*>: Always use crt1.o, regardless of N in simN.
4362 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4363 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4364 (CRT_CALL_STATIC_FUNCTION): Remove.
4365 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4366 use crt1.o, regardless of N in simN.
4367 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4368 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4369 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4370 case isystem setting.
4371 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4373 2005-01-25 Ian Lance Taylor <ian@airs.com>
4375 * gimple-low.c (block_may_fallthru): Correct handling of
4376 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4378 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4380 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4381 handlers to match indentation; nested under the mtune=* handler.
4382 Similar for mcpu= and march=.
4384 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
4386 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4387 * config/mips/linux64.h (LIB_SPEC): Likewise.
4388 * config/mn10300/linux.h (LIB_SPEC): Likewise.
4389 * config/sh/linux.h (LIB_SPEC): Likewise.
4391 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
4393 * config/frv/frv.c (frv_legitimize_tls_address): New.
4394 (TARGET_HAVE_TLS): Define.
4395 (FRV_SYMBOL_REF_TLS_P): Define.
4396 (frv_override_options): Handle new register classes.
4397 (frv_legitimate_address_p): Reject tls addresses.
4398 (frv_legitimize_address): Handle TLS addresses.
4399 (gen_inlined_tls_plt): New.
4401 (frv_legitimize_tls_address): New.
4402 (unspec_got_name): Add TLS entries.
4403 (got12_operand): Add R_FRV_TLSMOFF12 case.
4404 (frv_emit_move): Fixup TLS addresses.
4405 (frv_emit_movsi): Legitimize TLS addresses.
4407 * config/frv/frv.h (MASK_BIG_TLS): New.
4408 (TARGET_BIG_TLS): New.
4409 (HAVE_AS_TLS): Define.
4410 (TARGET_SWITCHES): Add -mTLS and -mtls options.
4411 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4412 (REG_CLASS_NAMES): Same.
4413 (REG_CLASS_CONTENTS): Same.
4414 (CONSTRAINT_LEN): New.
4415 (REG_CLASS_FROM_CONSTRAINT): New.
4416 (PREDICATE_CODES): Add symbolic_operand.
4418 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4419 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4420 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4421 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4422 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4423 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4424 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4425 GR9_REG, GR14_REG, LRREG.
4426 (type): Add load_or_call attribute.
4427 ("load_or_call"): New reservation.
4428 ("call_gettlsoff"): New.
4429 ("tls_indirect_call"): New.
4430 ("tls_load_gottlsoff12"): New.
4431 ("tlsoff_hilo"): New.
4432 ("tls_tlsdesc_ldd"): New.
4433 ("tls_tlsoff_ld"): New.
4436 * config/frv/frv-protos.h (symbolic_operand): Protoize.
4438 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
4440 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4441 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4442 * config/frv/frv.c (TLS_BIAS): Define.
4443 (frv_output_dwarf_dtprel): New.
4445 2005-01-26 Jakub Jelinek <jakub@redhat.com>
4447 PR rtl-optimization/19579
4448 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4449 both A and B, see if they don't clobber registers the other expr uses.
4451 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
4453 * real.c (do_add): Initialize signalling and canonical members.
4455 * real.c (real_from_integer): Zero out destination.
4457 2005-01-18 Jan Hubicka <jh@suse.cz>
4459 PR tree-optimize/19337
4460 * tree-inline.c (initialize_inlined_parameters): Copy
4461 saved_static_chain_decl only.
4463 2005-01-25 Richard Henderson <rth@redhat.com>
4467 * config/i386/i386.c (x86_inter_unit_moves): Zero.
4468 (ix86_preferred_reload_class): Rewrite fp-constant section, with
4469 80387 enabled, to return a proper subclass. Return the subset that
4470 overlaps with GENERAL_REGS for PLUS.
4471 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4473 2005-01-25 Richard Henderson <rth@redhat.com>
4476 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4478 2005-01-25 Roger Sayle <roger@eyesopen.com>
4480 * expmed.c (choose_multiplier): Change interface to return the
4481 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4482 (expand_divmod): Update calls to choose_multiplier.
4484 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4487 * expmed.c (extract_bit_field): Use adjust_address instead of
4488 gen_lowpart when op0 is a MEM.
4490 2005-01-24 Steven Bosscher <stevenb@suse.de>
4492 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4494 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
4496 * config/mips/irix-csr.c: New file.
4497 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4498 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4499 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4502 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
4505 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4506 sparc/elf.h, add sparc/sp-elf.h.
4507 (sparc-*-rtems*): Likewise.
4508 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4509 tm-dwarf2.h, add sparc/sp-elf.h.
4510 (sparc86x-*-elf): Likewise.
4511 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4512 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4513 TARGET_OS_CPP_BUILTINS.
4514 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4515 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4517 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4518 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4519 (SWITCH_TAKES_ARG): Likewise.
4520 (LOCAL_LABEL_PREFIX): Likewise.
4521 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4522 (TARGET_N_FORMAT_TYPES): Delete.
4523 (TARGET_FORMAT_TYPES): Likewise.
4524 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4525 * config/sparc/elf.h: Delete.
4526 * config/sparc/sp-elf.h: New file.
4528 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4530 * tree-flow-inline.h (phi_arg_from_edge): Remove.
4531 * tree-flow.h: Remove the corresponding prototype.
4532 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4533 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4535 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4538 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4539 for AIX ABI or ELF -fPIC.
4540 (rs6000_emit_load_toc_table): Don't create toc_section here.
4541 (rs6000_xcoff_file_start): Nor here.
4543 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
4545 * sh.c (ra.h): Don't #include.
4546 (hard_regs_intersect_p): New function, resurrected from ra.c.
4548 * sh.c: Fix 1996 Copyright.
4550 2005-01-24 Richard Henderson <rth@redhat.com>
4551 Aldy Hernandez <aldyh@redhat.com>
4553 * regrename.c (note_sets): Handle subregs.
4555 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
4558 * genconditions.c (write_header, write_conditions): Elide file if
4561 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4563 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4564 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4567 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4569 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4570 expand_builtin_printf, expand_builtin_fprintf,
4571 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4572 checking against POINTER_TYPE.
4573 (validate_arglist): Handle POINTER_TYPE code by checking
4576 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
4578 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4580 (for_each_rtx): Call for_each_rtx_1.
4581 * rtl.h (init_rtlanal): Declare.
4582 * toplev.c (backend_init): Call init_rtlanal.
4584 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4586 * flow.c (propagate_one_insn): Formatting.
4589 * flow.c (libcall_dead_p): Be more conservative if unsure.
4590 If there are any instructions between insn and call, see if they are
4591 all dead before saying the libcall is dead.
4593 2005-01-24 Uros Bizjak <uros@kss-loka.si>
4595 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4596 operand constraint for operand 0.
4598 2005-01-23 Richard Henderson <rth@redhat.com>
4601 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4602 edges leading to join block.
4604 2005-01-23 Roger Sayle <roger@eyesopen.com>
4606 * expmed.c (expand_mult_highpart): Make static. Change type of
4607 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4608 (expand_divmod): Updates calls to expand_mult_highpart by using
4609 gen_int_mode to pass a CONST_INT rtx.
4610 * rtl.h (expand_mult_highpart): Remove prototype.
4612 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4614 * flow.c (regset_bytes, regset_size): Remove.
4616 * cfganal.c: Fix a reference to Harvey's paper.
4618 2005-01-23 Steven Bosscher <stevenb@suse.de>
4620 PR rtl-optimization/19464
4621 * tree-optimize.c (init_tree_optimization_passes): Add one more
4622 copyrename pass just before out-of-ssa.
4624 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
4627 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4628 * ggc-none.c (ggc_free): Define.
4630 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4632 * cse.c (max_reg, max_insn_uid): Remove.
4633 (cse_main): Don't access max_reg or max_insn_uid.
4635 * c-common.c (explicit_flag_signed_bitfields,
4636 lang_statement_code_p, lang_expand_function_end): Remove.
4637 * c-common.h: Remove the corresponding declarations.
4638 * c-opts.c (c_common_handle_option): Remove all write access
4639 to explicit_flag_signed_bitfields.
4641 * cgraph.c (cgraph_varpool_n_nodes): Remove.
4642 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4643 * cgraph.h: Remove the corresponding declaration.
4645 * gcse.c (null_pointer_info): Remove.
4647 2005-01-23 Roger Sayle <roger@eyesopen.com>
4648 Eric Botcazou <ebotcazou@libertysurf.fr>
4650 * combine.c (simplify_logical): Only simplify logical expressions
4651 of the form ior(and(x,y),z) by the inverse distributive law if the
4652 result is cheaper than the original.
4654 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4656 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4657 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4658 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4659 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4660 config/freebsd-spec.h, config/arm/arm.h,
4661 config/h8300/h8300.md, config/i386/i386.md,
4662 config/i386/predicates.md, config/i386/sse.md,
4663 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4664 config/vax/vax.md: Fix comment typos. Follow spelling
4667 2005-01-23 Steven Bosscher <stevenb@suse.de>
4669 * gengtype.c (walk_type): Produce `not equal to' compares for loop
4670 tests, instead of `less than'.
4672 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
4674 * function.c (assign_parm_setup_block): When creating a new stack slot
4675 for a parameter, get its alignment from the parameter's DECL_ALIGN
4676 rather than the type's TYPE_ALIGN. Make sure that the parameter
4677 is at least word aligned.
4679 2005-01-22 Roger Sayle <roger@eyesopen.com>
4682 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4684 2005-01-22 Richard Henderson <rth@redhat.com>
4687 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4688 in both compare operands.
4689 (movdfcc_1_sse_max): Likewise.
4690 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
4691 (movdfcc_1_sse): Likewise.
4692 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4693 scratch register as needed.
4695 2005-01-22 Richard Henderson <rth@redhat.com>
4697 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4699 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4701 2005-01-22 Richard Henderson <rth@redhat.com>
4703 * genopinit.c (optabs): Use smin/smax for floating point too.
4704 * doc/md.texi: Update to match. Clarify that floating point
4705 results are undefined for +0/-0 and NaN.
4706 * doc/rtl.texi: Likewise.
4707 * rtl.def (SMIN, SMAX): Likewise
4708 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4710 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4711 leading 's' to the name.
4712 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4713 smaxxf3, sminxf3): Likewise.
4714 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4717 2005-01-22 Paul Brook <paul@codesourcery.com>
4719 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4721 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
4723 * config/s390/s390.c (struct processor_costs): New fields
4724 dlgr, dlr, dr, dsgfr, dsgr.
4725 (z900_cost, z990_cost): Values for new fields.
4726 (s390_rtx_costs): New cases MEM und COMPARE in switch
4727 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4728 DIV, MOD, UDIV, UMOD.
4730 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
4732 * config/s390/s390.md ("doloop_si64"): Reload input value directly
4733 into the register being decremented.
4734 ("doloop_si31", "doloop_di"): Likewise.
4735 ("*doloop_si_long"): Adapt pattern.
4737 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
4739 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4741 (CLASS_MAX_NREGS): Likewise.
4743 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
4745 * doc/tree-ssa.texi (Statement Operands): Add example for new
4746 must-def macro. Note deprecation of old operands interface.
4748 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
4750 PR tree-optimization/19484
4751 * tree-cfg.c (remove_fallthru_edge): New function.
4752 (cleanup_control_flow): Remove fallthru edges from calls that are
4753 now known not to return.
4755 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
4757 Fix PR tree-optimization/19038
4758 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4759 copies with loop variant ones.
4761 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
4763 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4764 config/alpha/alpha-protos.h, config/alpha/alpha.h,
4765 config/alpha/alpha.md, config/alpha/predicates.md,
4766 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4767 config/sparc/sol2.h: Update copyright.
4769 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4770 first label to see if it is a nonlocal label.
4772 2005-01-22 David Edelsohn <edelsohn@gnu.org>
4773 Andrew Pinski <pinskia@physics.uc.edu>
4776 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4777 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
4779 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
4781 * config/rs6000/rtems.h: Update copyright.
4783 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
4786 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4787 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4788 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4790 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4793 * c-typeck.c (convert_arguments): Check for error_mark_node.
4795 2005-01-21 Ian Lance Taylor <ian@airs.com>
4797 PR tree-optimization/13000
4798 * tree-inline.c: Include "tree-flow.h".
4799 (expand_call_inline): If warn_return_type, warn if non-void inline
4800 function falls through.
4801 * tree-cfg.c (execute_warn_function_return): Don't warn about
4802 control reaching end if TREE_NO_WARNING is set. Set
4804 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4806 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4807 branch if we don't need one.
4808 * c-typeck.c: Include "tree-flow.h"
4809 (c_finish_bc_stmt): Don't add a goto if the current statement
4810 list doesn't fall through to the current point.
4812 2005-01-21 Roger Sayle <roger@eyesopen.com>
4814 PR rtl-optimization/576
4815 * real.c (real_arithmetic): Change return type from void to bool
4816 to return an indication that the result may be inexact.
4817 * real.h (real_arithmeric): Update prototype.
4818 * fold-const.c (const_binop): Don't constant fold floating
4819 point expressions when the user specifies -frounding-math and
4820 the result may depend upon the run-time rounding mode.
4821 (fold_convert_const_real_from_real): Clean-up.
4822 (fold_initializer): Ignore flag_rounding_math for initializers.
4823 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4824 constant fold FP operations with flag_rounding_math if the
4825 result may depend upon the run-time rounding mode.
4827 2005-01-21 Tom Tromey <tromey@redhat.com>
4829 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4831 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
4833 * tree-cfg.c: Fix comment typos.
4835 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
4837 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4838 around the call to rest_of_handle_branch_target_load_optimize.
4840 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4842 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4843 (sparc64-*-openbsd*): Likewise.
4844 (sparclite-*-elf*): Include tm-dwarf2.h.
4845 (sparc86x-*-elf*): Likewise.
4846 (sparc64-*-elf*): Likewise.
4847 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4848 (DBX_DEBUGGING_INFO): Likewise.
4849 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4850 (PREFERRED_DEBUGGING_TYPE): Likewise.
4851 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4852 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4853 (PREFERRED_DEBUGGING_TYPE): Likewise.
4854 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4855 (PREFERRED_DEBUGGING_TYPE): Likewise.
4856 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4858 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
4861 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4863 2005-01-20 Paul Brook <paul@codesourcery.com>
4865 * doc/rtl.texi: Document value extension requirements for CONST_INT.
4867 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4869 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4870 label is first in a sequence of labels.
4872 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4874 2005-01-20 Janis Johnson <janis187@us.ibm.com>
4875 Giovanni Bajo <giovannibajo@gcc.gnu.org>
4877 * doc/sourcebuild.texi (Test Directives): New.
4879 2005-01-20 Roger Sayle <roger@eyesopen.com>
4881 * real.c (real_floor): Don't leave the result uninitialized when
4882 mode is VOIDMode, but return the unrounded intermediate value.
4883 (real_ceil): Likewise.
4885 2005-01-20 Paul Brook <paul@codesourcery.com>
4887 * config/arm/arm.md (insv): Use gen_int_mode.
4889 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4891 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4892 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4893 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4894 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4895 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4897 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
4900 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4901 fbreg, so we have to assume we can't.
4902 (loc_descriptor_from_tree_1): Ditto.
4903 (containing_function_has_frame_base): New function.
4904 (add_location_or_const_value_attribute): Use it.
4905 Also try to generate a frame_base from a single element location
4908 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4910 PR tree-optimization/15349
4911 * timevar.def (TV_TREE_MERGE_PHI): New.
4912 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4914 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4915 calls to tree_forwarder_block_p.
4916 (remove_forwarder_block_with_phi, merge_phi_nodes,
4917 gate_merge_phi, pass_merge_phi): New.
4918 * tree-optimize.c (init_tree_optimization_passes): Add
4920 * tree-pass.h: Add an extern for pass_merge_phi;
4922 2005-01-20 Richard Henderson <rth@redhat.com>
4925 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4926 (_mm_castps_pd, _mm_castps_si128): New.
4927 (_mm_castsi128_ps, _mm_castsi128_pd): New.
4929 2005-01-20 Richard Henderson <rth@redhat.com>
4932 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4933 __builtin_ia32_vec_init_v2si.
4934 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4935 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4936 (ix86_init_mmx_sse_builtins): Create it.
4937 (ix86_expand_builtin): Expand it.
4938 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4939 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4940 (vec_extractv2si_0, vec_extractv2si_1): New.
4942 2005-01-20 Richard Henderson <rth@redhat.com>
4945 * config/i386/i386.c (ix86_expand_push): New.
4946 * config/i386/mmx.md (push<MMXMODE>1): New.
4947 * config/i386/sse.md (push<SSEMODE>1): New.
4948 * config/i386/i386-protos.h: Update.
4950 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4952 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4955 2005-01-20 Richard Henderson <rth@redhat.com>
4957 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4958 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4960 2005-01-19 Richard Henderson <rth@redhat.com>
4963 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4964 to V4SFmode in SSE1 fallback load path.
4966 2005-01-19 Richard Henderson <rth@redhat.com>
4968 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4969 in QImode expansion to ix86_expand_vector_set.
4970 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4972 2005-01-19 Richard Henderson <rth@redhat.com>
4975 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4976 subclass of the input class.
4977 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4978 Always true for cross-SSE1 classes. Rationalize conditionals.
4979 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4980 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
4981 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
4982 (movdi_2): Add MMX/SSE zeros.
4983 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
4984 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4985 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4986 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4987 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4988 (zero_extendsidi2_rex64_1): Remove.
4989 (MOV0 peephole): Check GENERAL_REG_P.
4991 2005-01-19 Richard Henderson <rth@redhat.com>
4994 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4996 (ix86_expand_vector_extract): Likewise.
4998 2005-01-19 Richard Henderson <rth@redhat.com>
5001 * expr.c (emit_move_change_mode): New argument force; use
5002 simplify_gen_subreg if true.
5003 (emit_move_via_alt_mode): Merge into ...
5004 (emit_move_via_integer): ... here.
5005 (emit_move_ccmode): Use emit_move_change_mode directly.
5007 2005-01-19 Richard Henderson <rth@redhat.com>
5010 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5011 (alpha_preferred_reload_class): Handle CONST_VECTOR.
5012 (alpha_emit_set_const_1): Add no_output parameter; don't emit
5014 (alpha_emit_set_const): Likewise. Make static.
5015 (alpha_emit_set_long_const): Make static.
5016 (alpha_extract_integer): Split out from alpha_expand_mov.
5017 (alpha_split_const_mov): Likewise.
5018 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
5019 (alpha_legitimate_constant_p): New.
5020 * config/alpha/alpha-protos.h: Update.
5021 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5022 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5023 * config/alpha/alpha.md (movsi): Add n alternative.
5024 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5025 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5026 (splitters for all of the above): Use alpha_split_const_mov.
5027 * config/alpha/predicates.md (non_add_const_operand): New.
5028 (non_zero_const_operand): New.
5029 (input_operand): Use alpha_legitimate_constant_p after reload.
5031 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5033 PR tree-optimization/19038
5034 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5035 (add_candidate): Add ivs with increment in latch only if
5036 allow_ip_end_pos_p is true.
5037 (determine_iv_cost): Use empty_block_p.
5039 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
5041 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5042 (compute_dominance_frontiers): Ditto.
5044 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
5047 * config/sh/t-rtems: New.
5048 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5050 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
5052 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5053 the offset of the selected field.
5055 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
5057 * tree-cfg.c (remove_forwarder_block): Fix the check to
5058 prevent a nonlocal label from appearing in the middle of a
5061 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
5063 PR rtl-optimization/19462
5064 * reorg.c (find_end_label): Create return insn only if
5065 current_function_epilogue_delay_list is empty.
5067 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
5069 * doc/passes.texi: Remove paragraph mentioning new-ra.
5071 2005-01-19 Jakub Jelinek <jakub@redhat.com>
5073 PR rtl-optimization/15139
5074 * combine.c: Include params.h.
5075 (count_rtxs): New function.
5076 (record_value_for_reg): If replace_rtx would replace at least
5077 2 occurrences of REG in VALUE and TEM is really large, replace REG with
5078 (clobber (const_int 0)) instead of TEM.
5079 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5080 * params.h (MAX_LAST_VALUE_RTL): New.
5081 * Makefile.in (combine.o): Depend on $(PARAMS_H).
5082 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5085 * c-typeck.c (digest_init): Only call build_vector if all constructor
5086 elements are *_CST nodes.
5087 * gimplify.c (gimplify_init_constructor): Likewise.
5090 * c-typeck.c (digest_init): Only call build_vector if inside_init
5093 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
5095 * toplev.c (init_asm_output): Remove dead #ifdef.
5097 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
5099 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5101 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5103 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5104 accessing DECL_FUNCTION_CODE.
5105 * dojump.c (do_jump): Likewise.
5106 * gimplify.c (gimplify_call_expr): Likewise.
5107 * predict.c (expr_expected_value): Likewise.
5108 (strip_builtin_expect): Likewise.
5109 * tree-inline.c (estimate_num_insns_1): Likewise.
5110 * tree-ssa-loop-im.c (stmt_cost): Likewise
5111 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5112 (tree_expr_nonnegative_p): Likewise.
5114 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5116 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5117 variant of the load_pcrel_sym pattern.
5118 * config/sparc/sparc.md (P macro): Move to the top.
5119 (load_pcrel_sym): Macroize using P.
5120 (save_register_window): Likewise.
5122 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
5124 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5127 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5130 * c-typeck.c (build_asm_expr): Strip nops off
5131 input memory operands.
5133 2005-01-18 David Edelsohn <edelsohn@gnu.org>
5135 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5136 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5137 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5138 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5140 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
5143 * config/i386/i386.c (override_options): If the 80387 is disabled,
5144 then do not return FP values using FP registers.
5146 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
5148 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5149 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5150 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5151 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5152 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5153 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5154 output.h, postreload-gcse.c, postreload.c, recog.c,
5155 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5156 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5157 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5158 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5159 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5160 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5161 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5162 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5164 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5165 config/alpha/alpha.c, config/arm/vfp.md,
5166 config/i386/emmintrin.h, config/i386/i386-modes.def,
5167 config/i386/i386-protos.h, config/i386/i386.h,
5168 config/i386/pmmintrin.h, config/i386/ppro.md,
5169 config/i386/predicates.md, config/i386/xmmintrin.h,
5170 config/i860/i860.c, config/ia64/ia64-modes.def,
5171 config/ia64/ia64-protos.h, config/ia64/ia64.h,
5172 config/ia64/ia64.md, config/ia64/itanium1.md,
5173 config/ia64/itanium2.md, config/ia64/predicates.md,
5174 config/iq2000/iq2000.h, config/mips/linux64.h,
5175 config/rs6000/aix41.h, config/rs6000/aix43.h,
5176 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5177 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5178 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5179 config/sparc/linux64.h, config/sparc/litecoff.h,
5180 config/sparc/sp64-elf.h, config/sparc/sparc.c,
5181 config/sparc/sparc.h, config/sparc/sparc.md,
5182 config/sparc/sysv4-only.h: Update copyright.
5184 2005-01-18 Richard Henderson <rth@redhat.com>
5187 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5189 2005-01-18 Marc Espie <espie@openbsd.org>
5190 * config/i386/openbsdelf.h: Typo.
5192 2005-01-18 Richard Henderson <rth@redhat.com>
5194 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5195 special case for sse.
5196 * config/i386/predicates.md (sse_comparison_operator): Likewise.
5198 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
5200 * tree-inline.c (estimate_num_insns_1): Added cases for
5201 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5203 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
5205 PR rtl-optimization/19296
5206 * combine.c (simplify_comparison): Rewrite the condition under
5207 which a non-paradoxical SUBREG of a PLUS can be lifted when
5208 compared against a constant.
5210 2005-01-18 Andi Kleen <ak@muc.de>
5212 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5213 * c.opt (-Wpointer-sign): Add.
5214 * doc/invoke.texi: (-Wpointer-sign): Add.
5216 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5218 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5219 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5220 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5221 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5222 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5223 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
5224 for TARGET_MIX_SSE_I387.
5225 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5226 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5227 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5228 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5229 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5230 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
5231 TARGET_MIX_SSE_I387.
5232 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5235 2005-01-18 Uros Bizjak <uros@kss-loka.si>
5238 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5239 Add movaps alternative for xmm reg->reg move.
5241 2005-01-17 Jeff Law <law@redhat.com>
5243 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5244 at the end of the main DOM loop rather than just before DOM exits.
5246 2005-01-17 Diego Novillo <dnovillo@redhat.com>
5248 PR tree-optimization/19121
5249 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5250 adding aliases to a name tag, also add them to the pointer's
5252 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5253 sensitive alias info at all. Only check that the two pointers
5254 have compatible pointed-to sets.
5255 * tree-ssa.c (verify_name_tags): Verify that the alias set of
5256 a pointer's type tag is a superset of the alias set of the
5259 2005-01-17 James E Wilson <wilson@specifixinc.com>
5262 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
5263 comment to document why.
5265 2005-01-17 Richard Henderson <rth@redhat.com>
5267 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5268 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5269 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5270 sse2_vmsminv2df3_finite): New.
5271 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5272 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5273 Force op1 into register.
5275 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
5277 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5278 bubblestrap from always rebuilding build directory.
5280 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
5282 * config/s390/s390.md ("*clc"): Remove incorrect '='.
5283 ("*cmpmem_short"): Likewise.
5285 2005-01-17 Steven Bosscher <stevenb@suse.de>
5287 * basic-block.h: Document BB_* flags.
5288 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5289 use an sbitmap instead.
5290 * sched-rgn.c (compute_trg_info): Likewise.
5292 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
5294 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
5295 redundant target_cpu_default and extra_parts lines. Use the default
5297 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5298 (SUBTARGET_EXTRA_SPECS): Delete.
5299 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
5300 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5301 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5302 and "n32" for -mabi=n32.
5304 2005-01-17 Ian Lance Taylor <ian@airs.com>
5307 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5308 fold constant variables into initial values.
5310 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5312 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5314 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5315 through the statements backward.
5317 2005-01-17 Ian Lance Taylor <ian@airs.com>
5319 PR middle-end/13127:
5320 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5321 a variable set to the return value of the inlined function.
5323 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
5325 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5326 when modes are tieable.
5328 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
5330 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5331 of pthread_create to find out if threads are enabled.
5332 * gthr-posix95.h (__gthread_active_p): Likewise.
5334 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5336 * common.opt (-fnew-ra): Remove.
5338 * toplev.h (flag_new_regalloc): Remove.
5339 * Makefile.in (ra*.*): Don't mention.
5340 * passes.c (rest_of_handle_new_regalloc): Remove.
5341 (rest_of_handle_combine, rest_of_compilation): Always consider
5342 flag_new_regalloc as false.
5343 * doc/invoke.texi: Don't document -fnew-ra.
5345 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5347 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5348 last parameter to reg_scan.
5349 * loop.c (loop_optimize): Likewise.
5350 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5351 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5352 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5353 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5354 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5355 * regclass.c (reg_scan): Likewise, for the declaration.
5356 * rtl.h (reg_scan): Likewise, for the prototype.
5358 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5360 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5361 mark_dfs_back_edges.
5363 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
5365 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5366 (compute_avail): Uses don't go in tmp_gen.
5368 2005-01-16 Steven Bosscher <stevenb@suse.de>
5370 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5371 loop to look for a free slot in a page entry.
5373 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5376 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5377 * toplev.c (compile_file): Call process_pending_assemble_output_defs
5378 just before targetm.asm_out.file_end.
5379 * tree.h (process_pending_assemble_output_defs): Declare.
5380 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5382 (assemble_alias): Defer generation of assembly code for defines when
5383 TARGET_DEFERRED_OUTPUT_DEFS is true.
5384 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5385 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5386 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5388 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5391 * pa.c (pa_scalar_mode_supported_p): New function.
5392 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5393 * pa.h (MIN_UNITS_PER_WORD): Add comment.
5395 * pa-protos.h (prefetch_operand): Delete.
5396 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5397 * pa.c (prefetch_operand): Delete.
5398 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5399 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5400 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
5401 and prefetch_nocc_operand.
5402 * pa.md (prefetch): Rework to avoid reload problems handling short
5403 displacements when a cache control completer needs to be provided.
5404 (prefetch_32, prefetch_64): Delete.
5405 (prefetch_cc, prefetch_nocc): New patterns.
5407 2005-01-15 David Edelsohn <edelsohn@gnu.org>
5409 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5411 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5414 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5415 exceeds maximum alignment for global common data.
5416 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5417 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5419 2004-01-15 Roger Sayle <roger@eyesopen.com>
5421 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5423 2004-01-15 Roger Sayle <roger@eyesopen.com>
5425 * harg-reg-set.h (reg_class_names): Prototype global array.
5426 * regclass.c (reg_class_names): Declare here and initialize to
5428 (dump_regclass): Remove local declaration of reg_class_names.
5429 (regclass): Likewise.
5430 * cfg.c (dump_flow_info): Likewise.
5431 * ra-debug.c (reg_class_names): Likewise.
5432 * regrename.c (reg_class_names): Likewise.
5433 * reload.c (reg_class_names): Likewise.
5434 * reload1.c (spill_failure): Likewise.
5435 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5437 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
5439 * config/s390/s390.md ("reload_outti"): Remove predicate for
5440 output operand. Abort if operand is not a MEM.
5441 ("reload_outdi", "reload_outdf"): Likewise.
5443 2005-01-15 Marc Espie <espie@openbsd.org>
5445 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5446 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5447 * config/openbsd.h: Fix C++ includes for native configurations.
5448 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
5449 Add trampoline support.
5450 * config/i386/openbsdelf.h: New.
5452 2005-01-15 Marc Espie <espie@openbsd.org>
5454 * collect2.c (main): Explicitly parse -dynamic-linker option.
5456 2005-01-15 Jakub Jelinek <jakub@redhat.com>
5458 PR tree-optimization/19060
5459 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5460 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5461 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5462 and handle extract_range_from_cond returning false.
5463 * fold-const.c (fold): Optimize comparisons with min/max even for
5464 width > HOST_BITS_PER_WIDE_INT.
5466 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
5468 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5469 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5470 Remove little endian multilib variants.
5471 Add mips32 multilib variant.
5473 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
5475 * explow.c (copy_all_reg, stabilize): Remove.
5476 * expr.h: Remove the corresponding prototypes.
5478 * rtlanal.c (regs_set_between_p): Remove.
5479 * rtl.h: Remove the corresponding prototype.
5481 2005-01-14 David Edelsohn <edelsohn@gnu.org>
5483 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5484 to rs6000_nonimmediate_operand.
5485 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5486 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5487 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5488 rs6000_nonimmediate_operand.
5489 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5490 rs6000_nonimmediate_operand.
5492 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
5494 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5496 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5498 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5500 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5501 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5503 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5504 (rs6k_nonimmediate_operand): New.
5505 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5507 (legitimate_lo_sum_address_p): Same.
5508 (rs6000_legitimize_address): Same.
5509 (rs6000_legitimize_reload_address): Same.
5510 (rs6000_legitimate_address): Same.
5511 (spe_build_register_parallel): Pass DF and DC modes in a DI
5514 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5515 to rs6k_nonimmediate_operand.
5517 * config/rs6000/spe.md ("*frob_df_di"): New.
5518 ("*frob_di_df"): New.
5519 ("*frob_di_df_2"): New.
5520 ("*mov_sidf_e500_subreg0"): New.
5521 ("*mov_sidf_e500_subreg4"): New.
5522 ("*movdf_e500_double"): Change predicate to
5523 rs6k_nonimmediate_operand.
5525 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5527 * postreload.c (move2add_note_store): Only call
5528 trunc_int_for_mode on scalar integers.
5530 2005-01-14 Steven Bosscher <stevenb@suse.de>
5532 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5533 replace BB_VISITED uses.
5534 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5535 (propagate_necessity): Check the bitmap instead of BB_VISITED.
5536 (tree_dce_done): Free visited_control_parents.
5537 (perform_tree_ssa_dce): Allocate and clear it.
5538 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5539 (compute_antic): Iterate from here using a DFS. Use an sbitmap
5540 instead of BB_VISITED.
5542 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
5544 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5545 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5546 Remove unused prototypes.
5548 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5550 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5551 64-bit register usage.
5552 (spe_func_has_64bit_regs_p): Add FIXME note.
5554 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5556 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5557 flag_finite_math_only with flag_unsafe_math_optimizations.
5559 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
5561 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5563 (__tpf_eh_return): Copy TPF private stack area from the module
5564 boundary stack frame. Add check for when module addresses are
5565 equal, but no stub address is found.
5567 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
5570 * arm.h (struct machine_function): Add call_via field.
5571 (thumb_call_via_label): Declare.
5572 * arm.c (thumb_call_via_label): New variable.
5573 (thumb_call_reg_needed): New variable.
5574 (arm_output_function_epilogue): For Thumb code, output any per-function
5575 call-indirect trampolines.
5576 (thumb_call_via_reg): New function.
5577 (arm_file_end): New function.
5578 (TARGET_ASM_FILE_END): Call arm_file_end.
5579 (aof_file_end): Likewise.
5580 * arm-protos.h (thumb_call_via_reg): Declare.
5581 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5582 thumb_call_via_reg in normal case.
5584 2005-01-14 Jakub Jelinek <jakub@redhat.com>
5587 PR rtl-optimization/19348
5588 * recog.c (peephole2_optimize): Do global life update if some peephole
5589 decides it doesn't need at least one of its inputs and that change
5590 influences liveness at the start of the basic block.
5592 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5593 arguments instead of 1.
5595 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
5598 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5599 zero for nested functions needing a static chain or functions
5600 with a non-constant address.
5602 2005-01-13 Roger Sayle <roger@eyesopen.com>
5604 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5605 (and (sign_extend X) C) into (zero_extend (and X C)).
5607 2005-01-13 David O'Brien <obrien@FreeBSD.org>
5609 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
5611 2005-01-13 Richard Henderson <rth@redhat.com>
5616 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5617 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5618 not just TARGET_SSE.
5619 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
5620 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5621 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5622 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5623 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5624 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5625 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5626 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5627 (movdicc_c_rex64): Rename with '*'.
5628 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5629 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5630 (movsfcc_1_387): Rename from movsfcc_1.
5631 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5632 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5633 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5634 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5635 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5636 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5637 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5638 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5639 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5640 sse_movdfcc_const0_4): Remove.
5641 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5642 recognize min/max early. Update for changed sse cmove patterns.
5643 (ix86_split_sse_movcc): New.
5644 * config/i386/i386-protos.h: Update.
5646 2005-01-13 Steven Bosscher <stevenb@suse.de>
5648 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5649 (fix_stmt_v_may_defs): Likewise.
5651 2005-01-13 Richard Henderson <rth@redhat.com>
5653 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5654 for converting the mask.
5656 2005-01-13 David Edelsohn <edelsohn@gnu.org>
5658 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5661 2005-01-13 Richard Henderson <rth@redhat.com>
5663 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5664 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5665 IX86_BUILTIN_MOVDQ2Q): Remove.
5666 (IX86_BUILTIN_VEC_EXT_V4SI): New.
5667 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5668 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5670 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5671 (sse2_pextrw): Fix immediate constraint.
5672 (sse2_loadq, sse2_loadq_rex64): Remove.
5673 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5674 Use __builtin_ia32_vec_ext_<size>.
5675 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5677 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
5679 * function.c (assign_parm_setup_block): Look inside original
5680 entry_parm when inspecting PARALLEL.
5682 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5683 Joel Sherrill <joel@oarcorp.com>
5686 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5687 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5688 rtems_gxx_recursive_mutex_init.
5689 (__gthread_recursive_mutex_lock): New function.
5690 (__gthread_recursive_mutex_trylock): Likewise.
5691 (__gthread_recursive_mutex_unlock): Likewise.
5693 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5695 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5697 2005-01-13 Jan Beulich <jbeulich@novell.com>
5699 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5700 (ashrti3_internal): Indicate output is early clobber. Generate result
5701 into output rather than first input. Use move for low word of output
5702 if shift count is exactly 64.
5703 (lshrti3_internal): Likewise.
5705 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
5709 * reload1.c (delete_output_reload): Don't delete an output reload
5710 if the pseudo lives longer than a single basic block. Adjust and
5711 improve wording of comment.
5713 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
5716 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5717 of TYPE_SIZE where we mean the number of bytes.
5719 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
5721 * function.c (assign_parm_setup_block): Relax condition on
5722 multi-register optimization.
5724 2005-01-12 Nick Clifton <nickc@redhat.com>
5726 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5727 an "in_delay_slot" attribute of "no" to prevent them being used in
5728 delay slots. This is forbidden because they might generate
5731 2005-01-12 Alan Modra <amodra@bigpond.net.au>
5734 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5737 2005-01-12 Nick Clifton <nickc@redhat.com>
5739 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5740 passed on to GAS) but do not define, as GAS no longer supports or
5741 needs the -m2000 option.
5743 2005-01-11 Roger Sayle <roger@eyesopen.com>
5745 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5746 type as args of unprototyped builtins aren't automatically promoted.
5747 (fold_builtin_abs): Likewise.
5749 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5751 * Makefile.in: Set a `build-warn' variable.
5753 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5755 PR tree-optimization/17949
5756 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5757 (find_interesting_uses_address): Use it.
5759 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
5761 * regrename.c (kill_value): Handle subreg's that won't simplify.
5763 2005-01-11 Richard Henderson <rth@redhat.com>
5766 * config/i386/i386.h (enum ix86_builtins): Move ...
5767 * config/i386/i386.c: ... here.
5768 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5769 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5770 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5771 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5772 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
5773 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5774 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5775 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5776 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5777 IX86_BUILTIN_LOADDDUP): Remove.
5778 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5779 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5780 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5781 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5782 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5783 (ix86_init_builtins): Make static.
5784 (ix86_init_mmx_sse_builtins): Update for changed builtins.
5785 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5786 if all the modes match. Otherwise, fake it.
5787 (get_element_number, ix86_expand_vec_init_builtin,
5788 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5789 (ix86_expand_builtin): Make static. Update for changed builtins.
5790 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5791 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
5792 (ix86_expand_vector_init_duplicate): New.
5793 (ix86_expand_vector_init_low_nonzero): New.
5794 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5795 Split out from ix86_expand_vector_init; handle integer modes.
5796 (ix86_expand_vector_init): Use them.
5797 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5798 * config/i386/i386-protos.h: Update.
5799 * config/i386/predicates.md (reg_or_0_operand): New.
5800 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5801 (movv2sf_internal): Likewise. And a splitter to match them all.
5802 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5803 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5804 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5805 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5806 (mmx_pinsrw): Fix operand ordering.
5807 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5808 rather than sse_loadss expander.
5809 (movv2df splitter): Similarly.
5810 (sse_loadss, sse_loadlss): Remove.
5811 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5812 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5813 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5814 (sse3_movddup): Rename with '*'.
5815 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5816 (sse2_loadsd): Remove.
5817 (vec_dupv2df_sse3): Rename from sse3_loadddup.
5818 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5819 (sse2_pinsrw): Fix argument ordering.
5820 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5821 (sse2_stored): Remove 'r' destination.
5822 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5823 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5824 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5825 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5826 vec_extractv16qi, vec_initv16qi): New.
5828 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5829 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5830 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5832 (_mm_load_pd, _mm_store_pd): Use plain dereference.
5833 (_mm_load_si128, _mm_store_si128): Likewise.
5834 (_mm_load1_pd): Use _mm_set1_pd.
5835 (_mm_load_sd): Use _mm_set_sd.
5836 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5837 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5838 (_mm_set_epi64): Use _mm_set_epi64x.
5839 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5840 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5841 _mm_setr_epi8): Use _mm_set_foo form.
5842 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5843 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5844 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5845 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5846 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5847 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5848 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5849 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5850 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5851 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5852 (_mm_movedup_pd): Use _mm_shuffle_pd.
5853 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5854 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5855 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5856 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5858 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5859 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5860 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5861 (_mm_store_ps): Use raw dereference.
5862 (_mm_store1_ps): Use _mm_storeu_ps.
5863 (_mm_storer_ps): Use _mm_store_ps.
5864 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5865 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5867 2005-01-11 Stan Shebs <shebs@apple.com>
5869 * config/rs6000/rs6000.c (machopic_output_stub): Issue
5870 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5872 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5875 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5876 Skip all DECLs except for FIELD_DECLs.
5878 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
5880 * config/s390/s390.c (override_options): Return error if
5881 -mbackchain, -mpacked-stack and -mhard-float are used together.
5882 (s390_va_start): Remove the backchain && packed-stack special case.
5883 (s390_gimplify_va_arg): Likewise.
5884 * doc/invoke.texi: Remove the ABI incompatibility note.
5886 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
5888 * config/s390/s390.c (struct s390_frame_layout): Remove
5890 (s390_frame_info, s390_emit_prologue): Replace occurrences of
5891 save_backchain_p with TARGET_BACKCHAIN.
5893 2005-01-11 Alan Modra <amodra@bigpond.net.au>
5896 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5897 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5898 * function.c (locate_and_pad_parm): Set new field.
5899 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5900 Tweak where_pad test to include "none". Always set mem align for
5902 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5903 not sufficient for type.
5904 (assign_parm_setup_block): If stack_parm is zero on entry, always
5905 make a new stack local. Block move old stack parm if necessary
5906 to new aligned stack local.
5907 (assign_parm_setup_stack): Use a block move to handle
5908 potentially misaligned entry_parm.
5909 (assign_parms_unsplit_complex): Specify required alignment when
5910 creating stack local.
5911 * calls.c (compute_argument_addresses): Override alignment of stack
5912 arg calculated from its type with the alignment given by
5913 FUNCTION_ARG_BOUNDARY.
5914 (store_one_arg): Likewise.
5916 2005-01-11 Jan Beulich <jbeulich@novell.com>
5918 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5919 Change respective itanium_class attribute to ialu.
5920 (shladdp4_internal): New.
5921 * config/ia64/predicates.md (shladd_log2_operand): New.
5923 2005-01-11 Richard Henderson <rth@redhat.com>
5925 * expr.c (store_constructor): Use rtvec_alloc instead of
5926 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5928 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
5930 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5932 2005-01-11 Alan Modra <amodra@bigpond.net.au>
5934 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5935 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5936 (TARGET_RWRELOC): Define.
5937 (ia64_rwreloc_section_type_flags): Delete.
5938 (ia64_section_type_flags): New function.
5939 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5940 (TARGET_RWRELOC): Define.
5942 2005-01-10 David Mosberger <davidm@hpl.hp.com>
5945 * config/ia64/ia64.c (process_set): For alloc insn, only call
5946 process_epilogue is !frame_pointer_needed.
5948 2005-01-10 Roger Sayle <roger@eyesopen.com>
5951 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5952 unary operator and can't be treated as a binary/comparison operator.
5954 2005-01-10 Richard Henderson <rth@redhat.com>
5956 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5957 (ix86_return_in_memory): Likewise.
5958 (function_arg_advance): Likewise. Mirror structure in function_arg
5959 for choosing register to advance.
5961 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
5963 * tree-vectorizer.c, tree.def: Fix comment typos.
5965 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
5967 * config/s390/s390.c (struct processor_costs): 4 new fields:
5968 ddbr, ddr, debr, der.
5969 (s390_rtx_costs): More precise handling of divide instructions.
5971 2005-01-10 David Edelsohn <edelsohn@gnu.org>
5973 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5975 2005-01-10 Jan Beulich <jbeulich@novell.com>
5977 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5978 names resulting from -ffunction-sections/-fdata-sections and linkonce
5980 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5981 based on the section name. Rearrange the section name comparison logic
5982 slightly so that each section name is compared against at most once.
5984 2005-01-10 Ben Elliston <bje@au.ibm.com>
5986 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5987 targets for which -fPIC reduces limitations on the GOT size.
5989 2005-01-09 Falk Hueffner <falk@debian.org>
5991 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5994 2005-01-09 David Edelsohn <edelsohn@gnu.org>
5997 * collect2.c (main): Set aixrtl_flag for -brtl option.
5998 (resolve_lib_name): Search for .so file extension before .a
6001 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
6003 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6004 (vect_analyze_data_refs_alignment): Add dump prints.
6006 2005-01-09 Ira Rosen <irar@il.ibm.com>
6008 * tree-vectorizer.c (vect_analyze_offset_expr): Use
6009 expr_invariant_in_loop_p.
6010 Initialize outputs first thing in the function.
6011 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6012 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6013 (vect_analyze_pointer_ref_access): Check that the initial condition of
6014 the access function is loop invariant.
6016 2005-01-09 Richard Henderson <rth@redhat.com>
6018 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6019 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
6020 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
6021 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6022 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6023 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6024 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6025 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6026 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6027 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6028 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6029 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6030 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6031 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6032 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6033 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6034 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6035 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6036 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6037 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6038 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6039 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6040 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6042 (mmx_clrdi, pavgusb): Remove.
6043 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6044 with leading sse_ prefix.
6045 * config/i386/sse.md: Receive them.
6046 * config/i386/mmx.md: New file.
6047 (MMXMODE12, MMXMODE24, mmxvecsize): New.
6048 (subrv2sf3): Turn into expander for normal subtraction.
6049 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6050 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6051 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6052 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6053 commutative; use ix86_binary_operator_ok.
6054 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6055 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6056 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6057 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6058 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6059 Macroize from existing patterns; use ix86_binary_operator_ok.
6060 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6061 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6062 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
6063 with vec_select+vec_concat.
6064 (mmx_pshufw, mmx_pshufw_1): Likewise.
6065 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
6066 (mmx_uavgv4hi3): Model correctly.
6067 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6068 _mm_xor_si64): Remove casts.
6070 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
6072 PR tree-optimization/19224
6073 * tree-scalar-evolution.c (get_instantiated_value,
6074 set_instantiated_value): New functions.
6075 (instantiate_parameters_1): Cache the results.
6076 (instantiate_parameters, resolve_mixers): Initialize and free
6079 2005-01-08 David Edelsohn <edelsohn@gnu.org>
6081 * config/i386/i386.md (addhi_4): Correct reference in comment.
6084 2005-01-08 Richard Henderson <rth@redhat.com>
6086 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6087 (_mm_cvtsi128_si64x): Likewise.
6088 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6089 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6090 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6091 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6092 * config/i386/i386-protos.h: Update.
6093 * config/i386/i386.c (print_operand): Add 'H'.
6094 (ix86_fixup_binary_operands): Split out from ...
6095 (ix86_expand_binary_operator): ... here.
6096 (ix86_fixup_binary_operands_no_copy): New.
6097 (ix86_expand_fp_absneg_operator): Handle vector mode results.
6098 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6099 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6100 (safe_vector_operand): Use CONST0_RTX.
6101 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6102 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6103 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
6104 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
6106 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6107 (IX86_BUILTIN_CMPNGESS): New.
6108 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6109 (attr type): Add sselog1.
6110 (attr unit, attr memory): Handle it.
6111 (movti, movti_internal, movti_rex64): Move near other integer moves.
6112 (movtf, movtf_internal): Move near other fp moves.
6113 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6114 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6115 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6116 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6117 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6118 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6119 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6120 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6121 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6122 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6123 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6124 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6125 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6126 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6127 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6128 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6129 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6130 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6131 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6132 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6133 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6134 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6135 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6136 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6137 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6138 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6139 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6140 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6141 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6142 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6143 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6144 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6145 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6146 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6147 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6148 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6149 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6150 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6151 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6152 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6153 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6154 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6155 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
6156 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6158 (SSEPUSH, push<SSEPUSH>): Remove.
6159 (MMXPUSH, push<MMXPUSH>): Remove.
6160 (sse_movaps, sse_movaps_1, sse_movups): Remove.
6161 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6162 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6163 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6164 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6165 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6166 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6167 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6168 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6169 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6170 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6171 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
6172 (ppro_sse_log_V4SF): Handle sselog1.
6173 * config/i386/predicates.md (const_0_to_1_operand): New.
6174 (const_0_to_255_mul_8_operand): New.
6175 (const_1_to_31_operand): Rename from const_int_1_31_operand.
6176 (const_2_to_3_operand, const_4_to_7_operand): New.
6177 * config/i386/sse.md: New file.
6178 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6179 (sse_movups): Rename from sse_movups_1.
6180 (sse_loadlss): Rename from sse_loadss_1.
6181 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6183 (negv4sf2): Use ix86_expand_fp_absneg_operator.
6184 (absv4sf2, negv2df, absv2df): New.
6185 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6186 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6187 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6188 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6189 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6190 (sse3_addsubv4sf3): Model correctly.
6191 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6192 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6193 (sse_movhlps): Model with vec_select+vec_concat.
6194 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6195 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6196 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6197 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6198 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6199 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6200 sse2_pshufhw_1): Likewise.
6201 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6202 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6203 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6204 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6205 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6206 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6207 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6208 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6209 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6210 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6211 sminv8hi3): Mark commutative
6212 operands. Use ix86_binary_operator_ok.
6213 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6214 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6215 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6216 sse2_punpcklqdq): Allow operand2 in memory.
6217 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6218 sse2_movsd): Add memory alternatives.
6219 (sse_storelps): Turn expander into an insn; split after reload.
6220 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6221 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6223 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
6225 * configure.ac (DWARF-2 debug_line): Use objdump.
6226 * configure: Regenerate.
6228 2005-01-08 Jeff Law <law@redhat.com>
6229 Diego Novillo <dnovillo@redhat.com>
6231 PR tree-optimization/18241
6232 * tree-nrv.c (tree_nrv): Ignore volatile return values.
6233 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6234 statements with volatile operands.
6235 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6236 operands after marking a statement with has_volatile_ops.
6238 2005-01-08 Roger Sayle <roger@eyesopen.com>
6240 * tree.c (int_fits_type_p): Always honor integer constant
6241 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6243 2005-01-08 Roger Sayle <roger@eyesopen.com>
6245 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6246 the latent bug in rtl_delete_block has been resolved.
6248 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6250 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6251 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6253 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
6255 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6256 library as @multilib_dir@/$(SHLIB_SONAME).
6258 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6260 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6261 * configure: Regenerate.
6263 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6265 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6268 2005-01-07 David Edelsohn <edelsohn@gnu.org>
6271 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6272 Convert non-word aligned offset address using ld/std into
6275 2005-01-07 Richard Henderson <rth@redhat.com>
6277 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6279 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
6281 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6283 2005-01-07 Jakub Jelinek <jakub@redhat.com>
6285 PR tree-optimization/19283
6286 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6287 is not shorter than the original type.
6289 PR rtl-optimization/19012
6290 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6292 PR rtl-optimization/18861
6293 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6294 (FULL_STATE): Define.
6295 (mark_tablejump_edge): New function.
6296 (purge_dead_tablejump_edges): New function.
6297 (find_bb_boundaries): Use it.
6299 PR tree-optimization/18828
6300 * builtins.c (expand_builtin_next_arg): Remove argument and all
6301 the argument checking.
6302 (expand_builtin): Adjust caller.
6303 (expand_builtin_va_start): Likewise. Remove error for too many
6305 (fold_builtin_next_arg): Issue error for too many arguments.
6306 After checking arguments, replace them with magic arguments that
6307 prevent further checking of the args.
6309 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6311 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6313 2005-01-06 Roger Sayle <roger@eyesopen.com>
6316 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6317 and %{.S:...} (and their negative variants) to test whether the
6318 input file is assembler or pre-processed-assembler independent of
6319 the actual filename extension.
6321 2005-01-06 Roger Sayle <roger@eyesopen.com>
6323 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6324 of sign or zero extended values.
6326 2005-01-06 Geoffrey Keating <geoffk@apple.com>
6328 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6329 for IBM long double format correctly.
6331 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
6333 Fix PR tree-optimization/18792
6335 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6336 to first_loop_depth, and use loop depth instead of loop number.
6337 (build_classic_dir_vector): Ditto.
6338 (compute_data_dependences_for_loop): Use depth, not loop number.
6339 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6340 number. Pass in loops, instead of loop numbers.
6341 (gather_interchange_stats): Ditto.
6342 (linear_transform_loops): Ditto.
6344 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
6347 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6348 biv_fits_mode_p, extension_within_bounds_p): New functions.
6349 (check_ext_dependent_givs): Use them.
6351 2005-01-06 Roger Sayle <roger@eyesopen.com>
6353 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6354 more than one barrier, in which case we should delete them all.
6356 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
6358 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6360 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
6362 Fix PR middle-end/19286
6364 * dwarf2out.c (gen_subprogram_die): If we've already tried to
6365 output this subprogram, simply ignore this attempt to do it again.
6366 (add_abstract_origin_attribute): Don't abort trying to add the abstract
6367 origin attribute if it's not possible.
6368 (gen_block_die): Don't ignore subblocks of "unused" blocks.
6369 (decls_for_scope): Ditto.
6370 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6371 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6373 2005-01-05 Richard Henderson <rth@redhat.com>
6376 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6377 (bdesc_2arg): Use it.
6378 (ix86_expand_binop_builtin): Force operands into registers
6380 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6381 ix86_expand_sse_compare, ix86_expand_sse_comi,
6382 ix86_expand_builtin): Likewise.
6384 2005-01-05 Richard Henderson <rth@redhat.com>
6386 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6388 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6389 (mulv4hi3): Set itanium_class mmmul.
6390 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6391 (fpack): Rename from fpack_sfsf.
6393 2005-01-05 Richard Henderson <rth@redhat.com>
6396 * reload1.c (do_input_reload): Restrict the optimization deleteing
6397 a previous output reload to RELOAD_FOR_INPUT.
6399 2005-01-05 Steven Bosscher <stevenb@suse.de>
6401 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
6402 comment that we fall through after case.
6403 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6404 (distribute_links): Likewise.
6405 * cse.c (cse_insn): Likewise.
6406 * cselib.c (cselib_invalidate_mem): Likewise.
6407 * df.c: Update comments at the top of the file.
6408 (read_modify_subreg_p): Update comments here too.
6409 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6410 * flow.c (mark_set_1): Likewise.
6411 (mark_used_regs): Likewise.
6412 * gcse.c (mems_conflict_for_gcse_p): Likewise.
6413 (canon_list_insert): Likewise.
6414 (mark_set): Likewise.
6415 (try_replace_reg): Likewise.
6416 (store_killed_in_insn): Likewise.
6417 * loop.c (count_one_set): Likewise.
6418 (basic_induction_var): Likewise.
6419 * postreload-gcse.c (find_mem_conflicts): Likewise.
6420 * postreload.c (reload_combine_note_store): Likewise.
6421 (move2add_note_store): Likewise.
6422 * reload.c (find_equiv_reg): Likewise.
6423 (mark_referenced_resources): Likewise.
6424 * rtlanal.c (set_noop_p): Likewise.
6425 (note_stores): Likewise.
6426 (note_uses): Likewise.
6427 * sched-deps.c (sched_analyze_1): Likewise.
6428 * sched-rgn.c (check_live_1): Likewise.
6429 (update_live_1): Likewise.
6430 * config/i860/i860.c: Likewise.
6432 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6434 (ZERO_EXTRACT): Mention that this one can be an lvalue.
6436 * doc/rtl.texi: Update documentation for bit-fields and SET.
6438 2005-01-05 Roger Sayle <roger@eyesopen.com>
6440 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6442 2005-01-05 Jan Hubicka <jh@suse.cz>
6443 Richard Henderson <rth@redhat.com>
6446 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6449 2005-01-05 Richard Henderson <rth@redhat.com>
6452 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6453 (sse_shufps): Change operand 3 to const_int_operand.
6454 (sse2_storelps): Fix typo in template.
6455 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6456 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6457 (ix86_expand_builtin): Likewise.
6459 2005-01-05 Julian Brown <julian@codesourcery.com>
6461 * config/arm/arm.c (arm_return_in_memory): Treat complex types
6462 as aggregates for AAPCS ABIs.
6464 2005-01-05 Stan Shebs <shebs@apple.com>
6466 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6467 Mach-O getters if ppc64.
6468 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6470 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6471 signed four-byte field for global code case.
6472 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6474 2005-01-05 Roger Sayle <roger@eyesopen.com>
6477 * c-common.c: Include real.h.
6478 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6479 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6480 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6481 * Makefile.in (c-common.o): Update dependencies.
6483 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6485 * c-parse.in (asm_string): Add trailing semicolon.
6487 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6489 * c-parse.in (asm_string): New. Don't allow wide strings in
6491 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6492 asm_string instead of STRING.
6494 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6496 * c-typeck.c (constructor_no_implicit): Remove.
6497 (set_designator, process_init_element): Don't check
6498 constructor_no_implicit.
6500 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
6501 Kaz Kojima <kkojima@gcc.gnu.org>
6504 * lcm.c (create_pre_exit): New.
6505 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6506 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
6508 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6510 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6511 -msoft-float in target_float_switch.
6512 * arm.c (arm_override_options): Fix processing of target_float_switch.
6514 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6516 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6519 2004-01-05 Uros Bizjak <uros@kss-loka.si>
6521 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6522 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6524 2005-01-04 Roger Sayle <roger@eyesopen.com>
6526 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6527 if deleting the then-block allows the test-block to fallthru to the
6530 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
6533 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6534 after the full declaration if the are in two different TUs.
6536 2005-01-04 Richard Henderson <rth@redhat.com>
6539 * tree-sra.c (generate_one_element_init): Just
6540 call gimplify_and_add.
6541 (generate_element_init): Record the
6542 new referenced variables and mark them for renaming
6543 and split out to ...
6544 (generate_element_init_1): This.
6545 (scalarize_init): Don't call push_gimplify_context/
6546 pop_gimplify_context.
6548 2005-01-04 Geoffrey Keating <geoffk@apple.com>
6550 * toplev.c (get_src_pwd): Handle failure of getpwd().
6552 2005-01-04 Roger Sayle <roger@eyesopen.com>
6554 * fold-const.c (fold_single_bit_test): Delete unreachable handling
6556 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6557 all the cases handled by it are inverted by invert_truthvalue.
6559 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6561 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6562 (save_register_windowsi): Likewise.
6564 2005-01-04 Richard Henderson <rth@redhat.com>
6566 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6568 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6571 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6572 any simplifications of vector mode comparison operators.
6573 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6575 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
6576 Devang Patel <dpatel@apple.com>
6578 PR tree-optimization/18308
6579 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6580 the operands before creating a new expression.
6581 * dojump.c (do_jump): Make drop_through_label available
6582 for all cases. Add expansion of COND_EXPR.
6584 2005-01-04 Ira Rosen <irar@il.ibm.com>
6586 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6587 INTEGER_CST instead of TREE_CONSTANT.
6588 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6589 instead of TREE_CONSTANT.
6590 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6591 instead of TREE_CONSTANT.
6593 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6595 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6597 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6600 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6601 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6603 2005-01-03 Richard Henderson <rth@redhat.com>
6605 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6606 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6607 fold_convert_const_real_from_real): Split out from ...
6608 (fold_convert_const): ... here.
6610 2005-01-03 Richard Henderson <rth@redhat.com>
6613 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6614 (mov<MMXMODEI>_internal): Likewise.
6615 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6616 Add V2SF case; use it for SSE1; don't use TI.
6617 (movdf_integer): Likewise.
6618 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6620 2005-01-03 Ira Rosen <irar@il.ibm.com>
6622 * tree-vectorizer.c (vect_strip_conversions): New function.
6623 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6624 check for binary class.
6626 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
6630 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6632 * gimple-low.c (mark_blocks_with_used_vars): New function.
6633 (mark_blocks_with_used_subblocks): Ditto.
6634 (mark_used_blocks): Ditto.
6635 (pass_mark_used_blocks): New pass.
6636 * tree-inline.c: Include debug.h.
6637 (expand_call_inline): Call outlining_inline_function here.
6638 * tree-optimize.c (init_tree_optimization_passes): Add
6639 pass_mark_used_blocks.
6640 * tree-pass.h (pass_mark_used_blocks): New.
6641 * Makefile.in (tree-inline.o): Add debug.h dependency.
6643 2005-01-03 Geoffrey Keating <geoffk@apple.com>
6645 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6646 VAR_DECLs to have weak_import attribute.
6648 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6651 2004-01-03 Steven Bosscher <stevenb@suse.de>
6653 * passes.c (rest_of_compilation): Don't run regmove if only
6654 flag_expensive_optimizations, require flag_regmove instead.
6656 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6658 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6660 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6661 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6662 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6663 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6665 2005-01-03 Richard Henderson <rth@redhat.com>
6667 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6668 (ia64_const_ok_for_letter_p): New.
6669 (ia64_const_double_ok_for_letter_p): New.
6670 (ia64_extra_constraint): New.
6671 (ia64_expand_vecint_compare): New.
6672 (ia64_expand_vcondu_v2si): New.
6673 (ia64_expand_vecint_cmov): New.
6674 (ia64_expand_vecint_minmax): New.
6675 (ia64_print_operand): Add 'v'.
6676 (ia64_preferred_reload_class): New.
6677 (ia64_vector_mode_supported_p): New.
6678 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6679 (PREFERRED_RELOAD_CLASS): Move to function.
6680 (CONST_OK_FOR_LETTER_P): Move to function.
6681 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6682 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6683 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6684 (EXTRA_CONSTRAINT): Move to function.
6685 * config/ia64/ia64.md: Include vect.md.
6686 (itanium_class): Add mmalua.
6688 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
6690 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6691 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6693 (const_int_2bit_operand): New.
6694 (fr_reg_or_0_operand): New.
6695 * config/ia64/ia64-modes.def: Add vector modes.
6696 * config/ia64/ia64-protos.h: Update.
6697 * config/ia64/vect.md: New file.
6699 2005-01-03 Richard Henderson <rth@redhat.com>
6701 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6703 2005-01-03 Uros Bizjak <uros@kss-loka.si>
6706 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6708 (log1pdf2): Change mode of operands[0,1] to DFmode.
6710 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6712 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6713 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6714 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6715 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6716 SPARC_RELAXED_ORDERING.
6718 2005-01-03 Richard Henderson <rth@redhat.com>
6719 Uros Bizjak <uros@kss-loka.si>
6722 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6723 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6724 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6726 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6727 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6728 const_pow2_1_to_128_operand): New predicates.
6730 2005-01-02 Greg McGary <greg@mcgary.org>
6732 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6734 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6735 object. [ptr_type]: Remove unused variable.
6736 Remember nearest addressable array-element or record-component
6737 when checking bitfield components. Tolerate empty BIND_EXPR.
6739 2005-01-01 Richard Henderson <rth@redhat.com>
6741 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6742 that don't narrow the value. Fail for other conversions.
6744 2005-01-01 Richard Henderson <rth@redhat.com>
6747 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6748 * c-lang.c (finish_file): Don't do it here.
6749 * objc/objc-act.c (objc_finish_file): Likewise.
6751 * cgraph.c (decl_assembler_name_equal): New.
6752 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6753 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6754 * cgraph.h (struct cgraph_varpool_node): Add next.
6755 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6756 * varasm.c (assemble_alias): Mark the target as needed.
6758 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
6761 * function.c (get_arg_pointer_save_area): Use entry_of_function
6762 instead of get_insns.
6764 2005-01-01 Roger Sayle <roger@eyesopen.com>
6765 Andrew Pinski <pinskia@physics.uc.edu>
6766 James E. Wilson <wilson@specifixinc.com>
6768 PR rtl-optimization/12092
6769 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6772 2005-01-01 Roger Sayle <roger@eyesopen.com>
6773 Olivier Hainque <hainque@act-europe.fr>
6775 * tree.c (int_fits_type_p): A narrower type always fits in a
6776 wider one, except for negative values into unsigned types.
6778 2005-01-01 Roger Sayle <roger@eyesopen.com>
6780 * tree.c (int_fits_type_p): Compare the result of force_fit_type
6781 with the original constant rather than require TREE_OVERFLOW.
6783 2005-01-01 Steven Bosscher <stevenb@suse.de>
6786 * c-decl.c (finish_function): If compiling C99, annotate the
6787 compiler generated return with the current file name and line 0.
6788 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6789 the source line is greater than 0.
6790 (remove_bb): Likewise.
6792 See ChangeLog.12 for earlier changes.